17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5055e805aSedp * Common Development and Distribution License (the "License"). 6055e805aSedp * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21055e805aSedp 227c478bd9Sstevel@tonic-gate /* 23055e805aSedp * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate /* 307c478bd9Sstevel@tonic-gate * Devfsadm replaces drvconfig, audlinks, disks, tapes, ports, devlinks 317c478bd9Sstevel@tonic-gate * as a general purpose device administrative utility. It creates 327c478bd9Sstevel@tonic-gate * devices special files in /devices and logical links in /dev, and 337c478bd9Sstevel@tonic-gate * coordinates updates to /etc/path_to_instance with the kernel. It 347c478bd9Sstevel@tonic-gate * operates in both command line mode to handle user or script invoked 357c478bd9Sstevel@tonic-gate * reconfiguration updates, and operates in daemon mode to handle dynamic 367c478bd9Sstevel@tonic-gate * reconfiguration for hotplugging support. 377c478bd9Sstevel@tonic-gate */ 387c478bd9Sstevel@tonic-gate 39*45916cd2Sjpk #include <string.h> 40*45916cd2Sjpk #include <tsol/label.h> 41*45916cd2Sjpk #include <bsm/devices.h> 42*45916cd2Sjpk #include <bsm/devalloc.h> 437c478bd9Sstevel@tonic-gate #include <utime.h> 44*45916cd2Sjpk #include "devfsadm_impl.h" 457c478bd9Sstevel@tonic-gate 46*45916cd2Sjpk /* externs from devalloc.c */ 47*45916cd2Sjpk 48*45916cd2Sjpk extern void _reset_devalloc(int); 49*45916cd2Sjpk extern void _update_devalloc_db(devlist_t *, int, int, char *, char *); 50*45916cd2Sjpk extern int _da_check_for_usb(char *, char *); 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate /* create or remove nodes or links. unset with -n */ 537c478bd9Sstevel@tonic-gate static int file_mods = TRUE; 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate /* cleanup mode. Set with -C */ 567c478bd9Sstevel@tonic-gate static int cleanup = FALSE; 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate /* devlinks -d compatibility */ 597c478bd9Sstevel@tonic-gate static int devlinks_debug = FALSE; 607c478bd9Sstevel@tonic-gate 61*45916cd2Sjpk /* flag to check if system is labeled */ 62*45916cd2Sjpk int system_labeled = FALSE; 63*45916cd2Sjpk 64*45916cd2Sjpk /* flag to enable/disable device allocation with -e/-d */ 65*45916cd2Sjpk static int devalloc_flag = 0; 66*45916cd2Sjpk 67*45916cd2Sjpk /* flag to update device allocation database for this device type */ 68*45916cd2Sjpk static int update_devdb = 0; 69*45916cd2Sjpk 70*45916cd2Sjpk /* 71*45916cd2Sjpk * devices to be deallocated with -d : 72*45916cd2Sjpk * audio, floppy, cd, floppy, tape, rmdisk. 73*45916cd2Sjpk */ 74*45916cd2Sjpk static char *devalloc_list[10] = {DDI_NT_AUDIO, DDI_NT_CD, DDI_NT_CD_CHAN, 75*45916cd2Sjpk DDI_NT_FD, DDI_NT_TAPE, DDI_NT_BLOCK_CHAN, 76*45916cd2Sjpk DDI_NT_UGEN, DDI_NT_USB_ATTACHMENT_POINT, 77*45916cd2Sjpk DDI_NT_SCSI_NEXUS, NULL}; 787c478bd9Sstevel@tonic-gate 79*45916cd2Sjpk /* list of allocatable devices */ 80*45916cd2Sjpk static devlist_t devlist; 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate /* load a single driver only. set with -i */ 837c478bd9Sstevel@tonic-gate static int single_drv = FALSE; 847c478bd9Sstevel@tonic-gate static char *driver = NULL; 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate /* attempt to load drivers or defer attach nodes */ 877c478bd9Sstevel@tonic-gate static int load_attach_drv = TRUE; 887c478bd9Sstevel@tonic-gate 897c478bd9Sstevel@tonic-gate /* set if invoked via /usr/lib/devfsadm/devfsadmd */ 907c478bd9Sstevel@tonic-gate static int daemon_mode = FALSE; 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate /* output directed to syslog during daemon mode if set */ 937c478bd9Sstevel@tonic-gate static int logflag = FALSE; 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate /* build links in /dev. -x to turn off */ 967c478bd9Sstevel@tonic-gate static int build_dev = TRUE; 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate /* build nodes in /devices. -y to turn off */ 997c478bd9Sstevel@tonic-gate static int build_devices = TRUE; 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate /* -z to turn off */ 1027c478bd9Sstevel@tonic-gate static int flush_path_to_inst_enable = TRUE; 1037c478bd9Sstevel@tonic-gate 1047c478bd9Sstevel@tonic-gate /* variables used for path_to_inst flushing */ 1057c478bd9Sstevel@tonic-gate static int inst_count = 0; 1067c478bd9Sstevel@tonic-gate static mutex_t count_lock; 1077c478bd9Sstevel@tonic-gate static cond_t cv; 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate /* variables for minor_fini calling system */ 1107c478bd9Sstevel@tonic-gate static int minor_fini_timeout = MINOR_FINI_TIMEOUT_DEFAULT; 1117c478bd9Sstevel@tonic-gate static mutex_t minor_fini_mutex; 1127c478bd9Sstevel@tonic-gate static int minor_fini_thread_created = FALSE; 1137c478bd9Sstevel@tonic-gate static int minor_fini_delay_restart = FALSE; 1147c478bd9Sstevel@tonic-gate 1157c478bd9Sstevel@tonic-gate /* single-threads /dev modification */ 1167c478bd9Sstevel@tonic-gate static sema_t dev_sema; 1177c478bd9Sstevel@tonic-gate 1187c478bd9Sstevel@tonic-gate /* the program we were invoked as; ie argv[0] */ 1197c478bd9Sstevel@tonic-gate static char *prog; 1207c478bd9Sstevel@tonic-gate 1217c478bd9Sstevel@tonic-gate /* pointers to create/remove link lists */ 1227c478bd9Sstevel@tonic-gate static create_list_t *create_head = NULL; 1237c478bd9Sstevel@tonic-gate static remove_list_t *remove_head = NULL; 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate /* supports the class -c option */ 1267c478bd9Sstevel@tonic-gate static char **classes = NULL; 1277c478bd9Sstevel@tonic-gate static int num_classes = 0; 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate /* used with verbose option -v or -V */ 1307c478bd9Sstevel@tonic-gate static int num_verbose = 0; 1317c478bd9Sstevel@tonic-gate static char **verbose = NULL; 1327c478bd9Sstevel@tonic-gate 1337c478bd9Sstevel@tonic-gate static struct mperm *minor_perms = NULL; 1347c478bd9Sstevel@tonic-gate static driver_alias_t *driver_aliases = NULL; 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate /* set if -r alternate root given */ 1377c478bd9Sstevel@tonic-gate static char *root_dir = ""; 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate /* /devices or <rootdir>/devices */ 1407c478bd9Sstevel@tonic-gate static char *devices_dir = DEVICES; 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate /* /dev or <rootdir>/dev */ 1437c478bd9Sstevel@tonic-gate static char *dev_dir = DEV; 1447c478bd9Sstevel@tonic-gate 1457c478bd9Sstevel@tonic-gate /* /dev for the global zone */ 1467c478bd9Sstevel@tonic-gate static char *global_dev_dir = DEV; 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate /* /etc/path_to_inst unless -p used */ 1497c478bd9Sstevel@tonic-gate static char *inst_file = INSTANCE_FILE; 1507c478bd9Sstevel@tonic-gate 1517c478bd9Sstevel@tonic-gate /* /usr/lib/devfsadm/linkmods unless -l used */ 1527c478bd9Sstevel@tonic-gate static char *module_dirs = MODULE_DIRS; 1537c478bd9Sstevel@tonic-gate 1547c478bd9Sstevel@tonic-gate /* default uid/gid used if /etc/minor_perm entry not found */ 1557c478bd9Sstevel@tonic-gate static uid_t root_uid; 1567c478bd9Sstevel@tonic-gate static gid_t sys_gid; 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate /* /etc/devlink.tab unless devlinks -t used */ 1597c478bd9Sstevel@tonic-gate static char *devlinktab_file = NULL; 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate /* set if /dev link is new. speeds up rm_stale_links */ 1627c478bd9Sstevel@tonic-gate static int linknew = TRUE; 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate /* variables for devlink.tab compat processing */ 1657c478bd9Sstevel@tonic-gate static devlinktab_list_t *devlinktab_list = NULL; 1667c478bd9Sstevel@tonic-gate static unsigned int devlinktab_line = 0; 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate /* cache head for devfsadm_enumerate*() functions */ 1697c478bd9Sstevel@tonic-gate static numeral_set_t *head_numeral_set = NULL; 1707c478bd9Sstevel@tonic-gate 1717c478bd9Sstevel@tonic-gate /* list list of devfsadm modules */ 1727c478bd9Sstevel@tonic-gate static module_t *module_head = NULL; 1737c478bd9Sstevel@tonic-gate 1747c478bd9Sstevel@tonic-gate /* name_to_major list used in utility function */ 1757c478bd9Sstevel@tonic-gate static n2m_t *n2m_list = NULL; 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate /* cache of some links used for performance */ 1787c478bd9Sstevel@tonic-gate static linkhead_t *headlinkhead = NULL; 1797c478bd9Sstevel@tonic-gate 1807c478bd9Sstevel@tonic-gate /* locking variables to prevent multiples writes to /dev */ 1817c478bd9Sstevel@tonic-gate static int hold_dev_lock = FALSE; 1827c478bd9Sstevel@tonic-gate static int hold_daemon_lock = FALSE; 1837c478bd9Sstevel@tonic-gate static int dev_lock_fd; 1847c478bd9Sstevel@tonic-gate static int daemon_lock_fd; 1857c478bd9Sstevel@tonic-gate static char dev_lockfile[PATH_MAX + 1]; 1867c478bd9Sstevel@tonic-gate static char daemon_lockfile[PATH_MAX + 1]; 1877c478bd9Sstevel@tonic-gate 1887c478bd9Sstevel@tonic-gate /* last devinfo node/minor processed. used for performance */ 1897c478bd9Sstevel@tonic-gate static di_node_t lnode; 1907c478bd9Sstevel@tonic-gate static di_minor_t lminor; 1917c478bd9Sstevel@tonic-gate static char lphy_path[PATH_MAX + 1] = {""}; 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate /* Globals used by the link database */ 1947c478bd9Sstevel@tonic-gate static di_devlink_handle_t devlink_cache; 1957c478bd9Sstevel@tonic-gate static int update_database = FALSE; 1967c478bd9Sstevel@tonic-gate static int devlink_door_fd = -1; /* fd of devlink handler door */ 1977c478bd9Sstevel@tonic-gate 1987c478bd9Sstevel@tonic-gate /* Globals used to set logindev perms */ 1997c478bd9Sstevel@tonic-gate static struct login_dev *login_dev_cache = NULL; 2007c478bd9Sstevel@tonic-gate static int login_dev_enable = FALSE; 2017c478bd9Sstevel@tonic-gate 2027c478bd9Sstevel@tonic-gate /* Global to use devinfo snapshot cache */ 2037c478bd9Sstevel@tonic-gate static int use_snapshot_cache = FALSE; 2047c478bd9Sstevel@tonic-gate 2057c478bd9Sstevel@tonic-gate /* Zone-related information */ 2067c478bd9Sstevel@tonic-gate static int zone_cmd_mode = 0; 2077c478bd9Sstevel@tonic-gate static mutex_t zone_mutex; /* protects zone registration/unregistration ops */ 2087c478bd9Sstevel@tonic-gate static struct zone_devinfo *zone_head; /* linked list of zones */ 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate /* 2117c478bd9Sstevel@tonic-gate * Packaged directories - not removed even when empty. 2127c478bd9Sstevel@tonic-gate * The dirs must be listed in canonical form 2137c478bd9Sstevel@tonic-gate * i.e. without leading "/dev/" 2147c478bd9Sstevel@tonic-gate */ 2157c478bd9Sstevel@tonic-gate static char *packaged_dirs[] = 2167c478bd9Sstevel@tonic-gate {"dsk", "rdsk", "term", NULL}; 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate /* RCM related globals */ 2197c478bd9Sstevel@tonic-gate static void *librcm_hdl; 2207c478bd9Sstevel@tonic-gate static rcm_handle_t *rcm_hdl = NULL; 2217c478bd9Sstevel@tonic-gate static thread_t process_rcm_events_tid; 2227c478bd9Sstevel@tonic-gate static struct rcm_eventq *volatile rcm_eventq_head = NULL; 2237c478bd9Sstevel@tonic-gate static struct rcm_eventq *rcm_eventq_tail = NULL; 2247c478bd9Sstevel@tonic-gate static mutex_t rcm_eventq_lock; 2257c478bd9Sstevel@tonic-gate static cond_t rcm_eventq_cv; 2267c478bd9Sstevel@tonic-gate static volatile int need_to_exit_rcm_event_thread = 0; 2277c478bd9Sstevel@tonic-gate 2287c478bd9Sstevel@tonic-gate static void load_dev_acl(void); 2297c478bd9Sstevel@tonic-gate static void update_drvconf(major_t); 2307c478bd9Sstevel@tonic-gate 2317c478bd9Sstevel@tonic-gate 2327c478bd9Sstevel@tonic-gate int 2337c478bd9Sstevel@tonic-gate main(int argc, char *argv[]) 2347c478bd9Sstevel@tonic-gate { 235*45916cd2Sjpk struct stat tx_stat; 2367c478bd9Sstevel@tonic-gate struct passwd *pw; 2377c478bd9Sstevel@tonic-gate struct group *gp; 2387c478bd9Sstevel@tonic-gate pid_t pid; 2397c478bd9Sstevel@tonic-gate 2407c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 2417c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 2427c478bd9Sstevel@tonic-gate 2437c478bd9Sstevel@tonic-gate if ((prog = strrchr(argv[0], '/')) == NULL) { 2447c478bd9Sstevel@tonic-gate prog = argv[0]; 2457c478bd9Sstevel@tonic-gate } else { 2467c478bd9Sstevel@tonic-gate prog++; 2477c478bd9Sstevel@tonic-gate } 2487c478bd9Sstevel@tonic-gate 2497c478bd9Sstevel@tonic-gate if (getuid() != 0) { 2507c478bd9Sstevel@tonic-gate err_print(MUST_BE_ROOT); 2517c478bd9Sstevel@tonic-gate devfsadm_exit(1); 2527c478bd9Sstevel@tonic-gate } 2537c478bd9Sstevel@tonic-gate 2547c478bd9Sstevel@tonic-gate /* 2557c478bd9Sstevel@tonic-gate * Close all files except stdin/stdout/stderr 2567c478bd9Sstevel@tonic-gate */ 2577c478bd9Sstevel@tonic-gate closefrom(3); 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate if ((pw = getpwnam(DEFAULT_DEV_USER)) != NULL) { 2607c478bd9Sstevel@tonic-gate root_uid = pw->pw_uid; 2617c478bd9Sstevel@tonic-gate } else { 2627c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 2637c478bd9Sstevel@tonic-gate root_uid = (uid_t)0; /* assume 0 is root */ 2647c478bd9Sstevel@tonic-gate } 2657c478bd9Sstevel@tonic-gate 2667c478bd9Sstevel@tonic-gate /* the default group is sys */ 2677c478bd9Sstevel@tonic-gate 2687c478bd9Sstevel@tonic-gate if ((gp = getgrnam(DEFAULT_DEV_GROUP)) != NULL) { 2697c478bd9Sstevel@tonic-gate sys_gid = gp->gr_gid; 2707c478bd9Sstevel@tonic-gate } else { 2717c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 2727c478bd9Sstevel@tonic-gate sys_gid = (gid_t)3; /* assume 3 is sys */ 2737c478bd9Sstevel@tonic-gate } 2747c478bd9Sstevel@tonic-gate 2757c478bd9Sstevel@tonic-gate (void) umask(0); 2767c478bd9Sstevel@tonic-gate 277*45916cd2Sjpk system_labeled = is_system_labeled(); 278*45916cd2Sjpk if (system_labeled == FALSE) { 279*45916cd2Sjpk /* 280*45916cd2Sjpk * is_system_labeled() will return false in case we are 281*45916cd2Sjpk * starting before the first reboot after Trusted Extensions 282*45916cd2Sjpk * is installed. we check for a well known TX binary to 283*45916cd2Sjpk * to see if TX is installed. 284*45916cd2Sjpk */ 285*45916cd2Sjpk if (stat(DA_LABEL_CHECK, &tx_stat) == 0) 286*45916cd2Sjpk system_labeled = TRUE; 287*45916cd2Sjpk } 288*45916cd2Sjpk 2897c478bd9Sstevel@tonic-gate parse_args(argc, argv); 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate (void) sema_init(&dev_sema, 1, USYNC_THREAD, NULL); 2927c478bd9Sstevel@tonic-gate 293*45916cd2Sjpk /* Initialize device allocation list */ 294*45916cd2Sjpk devlist.audio = devlist.cd = devlist.floppy = devlist.tape = 295*45916cd2Sjpk devlist.rmdisk = NULL; 296*45916cd2Sjpk 2977c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) { 2987c478bd9Sstevel@tonic-gate /* 2997c478bd9Sstevel@tonic-gate * Build /dev and /devices before daemonizing if 3007c478bd9Sstevel@tonic-gate * reconfig booting and daemon invoked with alternate 3017c478bd9Sstevel@tonic-gate * root. This is to support install. 3027c478bd9Sstevel@tonic-gate */ 3037c478bd9Sstevel@tonic-gate if (getenv(RECONFIG_BOOT) != NULL && root_dir[0] != '\0') { 3047c478bd9Sstevel@tonic-gate vprint(INFO_MID, CONFIGURING); 3057c478bd9Sstevel@tonic-gate load_dev_acl(); 3067c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 3077c478bd9Sstevel@tonic-gate process_devinfo_tree(); 3087c478bd9Sstevel@tonic-gate (void) modctl(MODSETMINIROOT); 3097c478bd9Sstevel@tonic-gate } 3107c478bd9Sstevel@tonic-gate 3117c478bd9Sstevel@tonic-gate /* 3127c478bd9Sstevel@tonic-gate * fork before detaching from tty in order to print error 3137c478bd9Sstevel@tonic-gate * message if unable to acquire file lock. locks not preserved 3147c478bd9Sstevel@tonic-gate * across forks. Even under debug we want to fork so that 3157c478bd9Sstevel@tonic-gate * when executed at boot we don't hang. 3167c478bd9Sstevel@tonic-gate */ 3177c478bd9Sstevel@tonic-gate if (fork() != 0) { 3187c478bd9Sstevel@tonic-gate devfsadm_exit(0); 3197c478bd9Sstevel@tonic-gate } 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate /* set directory to / so it coredumps there */ 3227c478bd9Sstevel@tonic-gate if (chdir("/") == -1) { 3237c478bd9Sstevel@tonic-gate err_print(CHROOT_FAILED, strerror(errno)); 3247c478bd9Sstevel@tonic-gate } 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate /* only one daemon can run at a time */ 3277c478bd9Sstevel@tonic-gate if ((pid = enter_daemon_lock()) == getpid()) { 3287c478bd9Sstevel@tonic-gate thread_t thread; 3297c478bd9Sstevel@tonic-gate detachfromtty(); 3307c478bd9Sstevel@tonic-gate (void) cond_init(&cv, USYNC_THREAD, 0); 3317c478bd9Sstevel@tonic-gate (void) mutex_init(&count_lock, USYNC_THREAD, 0); 3327c478bd9Sstevel@tonic-gate if (thr_create(NULL, NULL, 3337c478bd9Sstevel@tonic-gate (void *(*)(void *))instance_flush_thread, 3347c478bd9Sstevel@tonic-gate NULL, 3357c478bd9Sstevel@tonic-gate THR_DETACHED, 3367c478bd9Sstevel@tonic-gate &thread) != 0) { 3377c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "daemon", 3387c478bd9Sstevel@tonic-gate strerror(errno)); 3397c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3407c478bd9Sstevel@tonic-gate } 3417c478bd9Sstevel@tonic-gate 3427c478bd9Sstevel@tonic-gate /* 3437c478bd9Sstevel@tonic-gate * No need for rcm notifications when running 3447c478bd9Sstevel@tonic-gate * with an alternate root. So initialize rcm only 3457c478bd9Sstevel@tonic-gate * when devfsadm is running with root dir "/". 3467c478bd9Sstevel@tonic-gate * Similarly, logindevperms need only be set 3477c478bd9Sstevel@tonic-gate * in daemon mode and when root dir is "/". 3487c478bd9Sstevel@tonic-gate */ 3497c478bd9Sstevel@tonic-gate if (root_dir[0] == '\0') { 3507c478bd9Sstevel@tonic-gate (void) rcm_init(); 3517c478bd9Sstevel@tonic-gate login_dev_enable = TRUE; 3527c478bd9Sstevel@tonic-gate } 3537c478bd9Sstevel@tonic-gate daemon_update(); 3547c478bd9Sstevel@tonic-gate } else { 3557c478bd9Sstevel@tonic-gate err_print(DAEMON_RUNNING, pid); 3567c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3577c478bd9Sstevel@tonic-gate } 3587c478bd9Sstevel@tonic-gate exit_daemon_lock(); 3597c478bd9Sstevel@tonic-gate 3607c478bd9Sstevel@tonic-gate } else { 3617c478bd9Sstevel@tonic-gate /* not a daemon, so just build /dev and /devices */ 3627c478bd9Sstevel@tonic-gate process_devinfo_tree(); 363*45916cd2Sjpk if (devalloc_flag != 0) 364*45916cd2Sjpk /* Enable/disable device allocation */ 365*45916cd2Sjpk _reset_devalloc(devalloc_flag); 3667c478bd9Sstevel@tonic-gate } 3677c478bd9Sstevel@tonic-gate return (0); 3687c478bd9Sstevel@tonic-gate } 3697c478bd9Sstevel@tonic-gate 3707c478bd9Sstevel@tonic-gate static void 3717c478bd9Sstevel@tonic-gate update_drvconf(major_t major) 3727c478bd9Sstevel@tonic-gate { 3737c478bd9Sstevel@tonic-gate if (modctl(MODLOADDRVCONF, major) != 0) 3747c478bd9Sstevel@tonic-gate err_print(gettext("update_drvconf failed for major %d\n"), 3757c478bd9Sstevel@tonic-gate major); 3767c478bd9Sstevel@tonic-gate } 3777c478bd9Sstevel@tonic-gate 3787c478bd9Sstevel@tonic-gate 3797c478bd9Sstevel@tonic-gate static void 3807c478bd9Sstevel@tonic-gate load_dev_acl() 3817c478bd9Sstevel@tonic-gate { 3827c478bd9Sstevel@tonic-gate if (load_devpolicy() != 0) 3837c478bd9Sstevel@tonic-gate err_print(gettext("device policy load failed\n")); 3847c478bd9Sstevel@tonic-gate load_minor_perm_file(); 3857c478bd9Sstevel@tonic-gate } 3867c478bd9Sstevel@tonic-gate 3877c478bd9Sstevel@tonic-gate /* 3887c478bd9Sstevel@tonic-gate * set_zone_params sets us up to run against a specific zone. It should 3897c478bd9Sstevel@tonic-gate * only be called from parse_args. 3907c478bd9Sstevel@tonic-gate */ 3917c478bd9Sstevel@tonic-gate static int 3927c478bd9Sstevel@tonic-gate set_zone_params(char *zone_name) 3937c478bd9Sstevel@tonic-gate { 3947c478bd9Sstevel@tonic-gate char zpath[MAXPATHLEN]; 3957c478bd9Sstevel@tonic-gate zone_dochandle_t hdl; 3967c478bd9Sstevel@tonic-gate void *dlhdl; 3977c478bd9Sstevel@tonic-gate 3987c478bd9Sstevel@tonic-gate assert(daemon_mode == FALSE); 3997c478bd9Sstevel@tonic-gate 4007c478bd9Sstevel@tonic-gate if (strcmp(zone_name, GLOBAL_ZONENAME) == 0) { 4017c478bd9Sstevel@tonic-gate err_print(INVALID_ZONE, zone_name); 4027c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 4037c478bd9Sstevel@tonic-gate } 4047c478bd9Sstevel@tonic-gate 4057c478bd9Sstevel@tonic-gate if ((dlhdl = dlopen(LIBZONECFG_PATH, RTLD_LAZY)) == NULL) { 4067c478bd9Sstevel@tonic-gate err_print(ZONE_LIB_MISSING); 4077c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 4087c478bd9Sstevel@tonic-gate } 4097c478bd9Sstevel@tonic-gate 4107c478bd9Sstevel@tonic-gate if (zone_get_zonepath(zone_name, zpath, sizeof (zpath)) != Z_OK) { 4117c478bd9Sstevel@tonic-gate err_print(ZONE_ROOTPATH_FAILED, zone_name, strerror(errno)); 4127c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 4137c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 4147c478bd9Sstevel@tonic-gate } 4157c478bd9Sstevel@tonic-gate set_root_devices_dev_dir(zpath, 1); 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate if ((hdl = zonecfg_init_handle()) == NULL) { 4187c478bd9Sstevel@tonic-gate err_print(ZONE_REP_FAILED, zone_name, strerror(errno)); 4197c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 4207c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 4217c478bd9Sstevel@tonic-gate } 4227c478bd9Sstevel@tonic-gate 4237c478bd9Sstevel@tonic-gate if ((zonecfg_get_snapshot_handle(zone_name, hdl)) != Z_OK) { 4247c478bd9Sstevel@tonic-gate err_print(ZONE_REP_FAILED, zone_name, strerror(errno)); 4257c478bd9Sstevel@tonic-gate zonecfg_fini_handle(hdl); 4267c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 4277c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 4287c478bd9Sstevel@tonic-gate } 4297c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 4307c478bd9Sstevel@tonic-gate 4317c478bd9Sstevel@tonic-gate zone_head = s_malloc(sizeof (struct zone_devinfo)); 4327c478bd9Sstevel@tonic-gate zone_head->zone_path = s_strdup(zpath); 4337c478bd9Sstevel@tonic-gate zone_head->zone_name = s_strdup(zone_name); 4347c478bd9Sstevel@tonic-gate zone_head->zone_dochdl = hdl; 4357c478bd9Sstevel@tonic-gate zone_head->zone_next = NULL; 4367c478bd9Sstevel@tonic-gate zone_cmd_mode = 1; 4377c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 4387c478bd9Sstevel@tonic-gate } 4397c478bd9Sstevel@tonic-gate 4407c478bd9Sstevel@tonic-gate /* 4417c478bd9Sstevel@tonic-gate * Parse arguments for all 6 programs handled from devfsadm. 4427c478bd9Sstevel@tonic-gate */ 4437c478bd9Sstevel@tonic-gate static void 4447c478bd9Sstevel@tonic-gate parse_args(int argc, char *argv[]) 4457c478bd9Sstevel@tonic-gate { 4467c478bd9Sstevel@tonic-gate char opt; 4477c478bd9Sstevel@tonic-gate char get_linkcompat_opts = FALSE; 4487c478bd9Sstevel@tonic-gate char *compat_class; 4497c478bd9Sstevel@tonic-gate int num_aliases = 0; 4507c478bd9Sstevel@tonic-gate int len; 4517c478bd9Sstevel@tonic-gate int retval; 4527c478bd9Sstevel@tonic-gate int add_bind = FALSE; 4537c478bd9Sstevel@tonic-gate struct aliases *ap = NULL; 4547c478bd9Sstevel@tonic-gate struct aliases *a_head = NULL; 4557c478bd9Sstevel@tonic-gate struct aliases *a_tail = NULL; 4567c478bd9Sstevel@tonic-gate struct modconfig mc; 4577c478bd9Sstevel@tonic-gate 4587c478bd9Sstevel@tonic-gate if (strcmp(prog, DISKS) == 0) { 4597c478bd9Sstevel@tonic-gate compat_class = "disk"; 4607c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4617c478bd9Sstevel@tonic-gate 4627c478bd9Sstevel@tonic-gate } else if (strcmp(prog, TAPES) == 0) { 4637c478bd9Sstevel@tonic-gate compat_class = "tape"; 4647c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4657c478bd9Sstevel@tonic-gate 4667c478bd9Sstevel@tonic-gate } else if (strcmp(prog, PORTS) == 0) { 4677c478bd9Sstevel@tonic-gate compat_class = "port"; 4687c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4697c478bd9Sstevel@tonic-gate 4707c478bd9Sstevel@tonic-gate } else if (strcmp(prog, AUDLINKS) == 0) { 4717c478bd9Sstevel@tonic-gate compat_class = "audio"; 4727c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4737c478bd9Sstevel@tonic-gate 4747c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DEVLINKS) == 0) { 4757c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 4767c478bd9Sstevel@tonic-gate 4777c478bd9Sstevel@tonic-gate build_devices = FALSE; 4787c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 4797c478bd9Sstevel@tonic-gate 4807c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "dnr:st:vV:")) != EOF) { 4817c478bd9Sstevel@tonic-gate switch (opt) { 4827c478bd9Sstevel@tonic-gate case 'd': 4837c478bd9Sstevel@tonic-gate file_mods = FALSE; 4847c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 4857c478bd9Sstevel@tonic-gate devlinks_debug = TRUE; 4867c478bd9Sstevel@tonic-gate break; 4877c478bd9Sstevel@tonic-gate case 'n': 4887c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 4897c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 4907c478bd9Sstevel@tonic-gate break; 4917c478bd9Sstevel@tonic-gate case 'r': 4927c478bd9Sstevel@tonic-gate set_root_devices_dev_dir(optarg, 0); 4937c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 4947c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 4957c478bd9Sstevel@tonic-gate devfsadm_exit(1); 4967c478bd9Sstevel@tonic-gate break; 4977c478bd9Sstevel@tonic-gate case 's': 4987c478bd9Sstevel@tonic-gate /* 4997c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 5007c478bd9Sstevel@tonic-gate * useful with -v or -V 5017c478bd9Sstevel@tonic-gate */ 5027c478bd9Sstevel@tonic-gate file_mods = FALSE; 5037c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 5047c478bd9Sstevel@tonic-gate break; 5057c478bd9Sstevel@tonic-gate case 't': 5067c478bd9Sstevel@tonic-gate /* supply a non-default table file */ 5077c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 5087c478bd9Sstevel@tonic-gate break; 5097c478bd9Sstevel@tonic-gate case 'v': 5107c478bd9Sstevel@tonic-gate /* documented verbose flag */ 5117c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 5127c478bd9Sstevel@tonic-gate break; 5137c478bd9Sstevel@tonic-gate case 'V': 5147c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 5157c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 5167c478bd9Sstevel@tonic-gate break; 5177c478bd9Sstevel@tonic-gate default: 5187c478bd9Sstevel@tonic-gate usage(); 5197c478bd9Sstevel@tonic-gate break; 5207c478bd9Sstevel@tonic-gate } 5217c478bd9Sstevel@tonic-gate } 5227c478bd9Sstevel@tonic-gate 5237c478bd9Sstevel@tonic-gate if (optind < argc) { 5247c478bd9Sstevel@tonic-gate usage(); 5257c478bd9Sstevel@tonic-gate } 5267c478bd9Sstevel@tonic-gate 5277c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 5287c478bd9Sstevel@tonic-gate build_dev = FALSE; 5297c478bd9Sstevel@tonic-gate 5307c478bd9Sstevel@tonic-gate while ((opt = 5317c478bd9Sstevel@tonic-gate getopt(argc, argv, "a:bdc:i:m:np:R:r:svV:")) != EOF) { 5327c478bd9Sstevel@tonic-gate switch (opt) { 5337c478bd9Sstevel@tonic-gate case 'a': 5347c478bd9Sstevel@tonic-gate ap = calloc(sizeof (struct aliases), 1); 5357c478bd9Sstevel@tonic-gate ap->a_name = dequote(optarg); 5367c478bd9Sstevel@tonic-gate len = strlen(ap->a_name) + 1; 5377c478bd9Sstevel@tonic-gate if (len > MAXMODCONFNAME) { 5387c478bd9Sstevel@tonic-gate err_print(ALIAS_TOO_LONG, 5397c478bd9Sstevel@tonic-gate MAXMODCONFNAME, ap->a_name); 5407c478bd9Sstevel@tonic-gate devfsadm_exit(1); 5417c478bd9Sstevel@tonic-gate } 5427c478bd9Sstevel@tonic-gate ap->a_len = len; 5437c478bd9Sstevel@tonic-gate if (a_tail == NULL) { 5447c478bd9Sstevel@tonic-gate a_head = ap; 5457c478bd9Sstevel@tonic-gate } else { 5467c478bd9Sstevel@tonic-gate a_tail->a_next = ap; 5477c478bd9Sstevel@tonic-gate } 5487c478bd9Sstevel@tonic-gate a_tail = ap; 5497c478bd9Sstevel@tonic-gate num_aliases++; 5507c478bd9Sstevel@tonic-gate add_bind = TRUE; 5517c478bd9Sstevel@tonic-gate break; 5527c478bd9Sstevel@tonic-gate case 'b': 5537c478bd9Sstevel@tonic-gate add_bind = TRUE; 5547c478bd9Sstevel@tonic-gate break; 5557c478bd9Sstevel@tonic-gate case 'c': 5567c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvclass, optarg); 5577c478bd9Sstevel@tonic-gate break; 5587c478bd9Sstevel@tonic-gate case 'd': 5597c478bd9Sstevel@tonic-gate /* 5607c478bd9Sstevel@tonic-gate * need to keep for compatibility, but 5617c478bd9Sstevel@tonic-gate * do nothing. 5627c478bd9Sstevel@tonic-gate */ 5637c478bd9Sstevel@tonic-gate break; 5647c478bd9Sstevel@tonic-gate case 'i': 5657c478bd9Sstevel@tonic-gate single_drv = TRUE; 5667c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvname, optarg); 5677c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 5687c478bd9Sstevel@tonic-gate break; 5697c478bd9Sstevel@tonic-gate case 'm': 5707c478bd9Sstevel@tonic-gate mc.major = atoi(optarg); 5717c478bd9Sstevel@tonic-gate break; 5727c478bd9Sstevel@tonic-gate case 'n': 5737c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 5747c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 5757c478bd9Sstevel@tonic-gate break; 5767c478bd9Sstevel@tonic-gate case 'p': 5777c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 5787c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 5797c478bd9Sstevel@tonic-gate break; 5807c478bd9Sstevel@tonic-gate case 'R': 5817c478bd9Sstevel@tonic-gate /* 5827c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 5837c478bd9Sstevel@tonic-gate * device information on the installed root. 5847c478bd9Sstevel@tonic-gate */ 5857c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 5867c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 5877c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 5887c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 5897c478bd9Sstevel@tonic-gate break; 5907c478bd9Sstevel@tonic-gate case 'r': 5917c478bd9Sstevel@tonic-gate devices_dir = s_strdup(optarg); 5927c478bd9Sstevel@tonic-gate if (zone_pathcheck(devices_dir) != 5937c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 5947c478bd9Sstevel@tonic-gate devfsadm_exit(1); 5957c478bd9Sstevel@tonic-gate break; 5967c478bd9Sstevel@tonic-gate case 's': 5977c478bd9Sstevel@tonic-gate /* 5987c478bd9Sstevel@tonic-gate * suppress. don't create nodes 5997c478bd9Sstevel@tonic-gate * useful with -v or -V 6007c478bd9Sstevel@tonic-gate */ 6017c478bd9Sstevel@tonic-gate file_mods = FALSE; 6027c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 6037c478bd9Sstevel@tonic-gate break; 6047c478bd9Sstevel@tonic-gate case 'v': 6057c478bd9Sstevel@tonic-gate /* documented verbose flag */ 6067c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 6077c478bd9Sstevel@tonic-gate break; 6087c478bd9Sstevel@tonic-gate case 'V': 6097c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 6107c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 6117c478bd9Sstevel@tonic-gate break; 6127c478bd9Sstevel@tonic-gate default: 6137c478bd9Sstevel@tonic-gate usage(); 6147c478bd9Sstevel@tonic-gate } 6157c478bd9Sstevel@tonic-gate } 6167c478bd9Sstevel@tonic-gate 6177c478bd9Sstevel@tonic-gate if (optind < argc) { 6187c478bd9Sstevel@tonic-gate usage(); 6197c478bd9Sstevel@tonic-gate } 6207c478bd9Sstevel@tonic-gate 6217c478bd9Sstevel@tonic-gate if ((add_bind == TRUE) && (mc.major == -1 || 6227c478bd9Sstevel@tonic-gate mc.drvname[0] == NULL)) { 6237c478bd9Sstevel@tonic-gate err_print(MAJOR_AND_B_FLAG); 6247c478bd9Sstevel@tonic-gate devfsadm_exit(1); 6257c478bd9Sstevel@tonic-gate } 6267c478bd9Sstevel@tonic-gate if (add_bind == TRUE) { 6277c478bd9Sstevel@tonic-gate mc.num_aliases = num_aliases; 6287c478bd9Sstevel@tonic-gate mc.ap = a_head; 6297c478bd9Sstevel@tonic-gate retval = modctl(MODADDMAJBIND, NULL, (caddr_t)&mc); 6307c478bd9Sstevel@tonic-gate if (retval < 0) { 6317c478bd9Sstevel@tonic-gate err_print(MODCTL_ADDMAJBIND); 6327c478bd9Sstevel@tonic-gate } 6337c478bd9Sstevel@tonic-gate devfsadm_exit(retval); 6347c478bd9Sstevel@tonic-gate } 6357c478bd9Sstevel@tonic-gate 6367c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 6377c478bd9Sstevel@tonic-gate (strcmp(prog, DEVFSADMD) == 0)) { 6387c478bd9Sstevel@tonic-gate char *zonename = NULL; 6397c478bd9Sstevel@tonic-gate enum zreg_op zoneop; 6407c478bd9Sstevel@tonic-gate int init_drvconf = 0; 6417c478bd9Sstevel@tonic-gate int init_perm = 0; 6427c478bd9Sstevel@tonic-gate int public_mode = 0; 6437c478bd9Sstevel@tonic-gate 6447c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADMD) == 0) { 6457c478bd9Sstevel@tonic-gate daemon_mode = TRUE; 6467c478bd9Sstevel@tonic-gate } 6477c478bd9Sstevel@tonic-gate 6487c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 6497c478bd9Sstevel@tonic-gate 6507c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, 651*45916cd2Sjpk "Cc:deIi:l:np:PR:r:st:vV:x:z:Z:")) != EOF) { 6527c478bd9Sstevel@tonic-gate if (opt == 'I' || opt == 'P') { 6537c478bd9Sstevel@tonic-gate if (public_mode) 6547c478bd9Sstevel@tonic-gate usage(); 6557c478bd9Sstevel@tonic-gate } else { 6567c478bd9Sstevel@tonic-gate if (init_perm || init_drvconf) 6577c478bd9Sstevel@tonic-gate usage(); 6587c478bd9Sstevel@tonic-gate public_mode = 1; 6597c478bd9Sstevel@tonic-gate } 6607c478bd9Sstevel@tonic-gate switch (opt) { 6617c478bd9Sstevel@tonic-gate case 'C': 6627c478bd9Sstevel@tonic-gate cleanup = TRUE; 6637c478bd9Sstevel@tonic-gate break; 6647c478bd9Sstevel@tonic-gate case 'c': 6657c478bd9Sstevel@tonic-gate num_classes++; 6667c478bd9Sstevel@tonic-gate classes = s_realloc(classes, num_classes * 6677c478bd9Sstevel@tonic-gate sizeof (char *)); 6687c478bd9Sstevel@tonic-gate classes[num_classes - 1] = optarg; 6697c478bd9Sstevel@tonic-gate break; 670*45916cd2Sjpk case 'd': 6717c478bd9Sstevel@tonic-gate if (daemon_mode == FALSE) { 672*45916cd2Sjpk /* 673*45916cd2Sjpk * Device allocation to be disabled. 674*45916cd2Sjpk */ 675*45916cd2Sjpk devalloc_flag = DA_OFF; 676*45916cd2Sjpk build_dev = FALSE; 677*45916cd2Sjpk } 678*45916cd2Sjpk break; 679*45916cd2Sjpk case 'e': 680*45916cd2Sjpk if (daemon_mode == FALSE) { 681*45916cd2Sjpk /* 682*45916cd2Sjpk * Device allocation to be enabled. 683*45916cd2Sjpk */ 684*45916cd2Sjpk devalloc_flag = DA_ON; 6857c478bd9Sstevel@tonic-gate build_dev = FALSE; 6867c478bd9Sstevel@tonic-gate } 6877c478bd9Sstevel@tonic-gate break; 6887c478bd9Sstevel@tonic-gate case 'I': /* update kernel driver.conf cache */ 6897c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 6907c478bd9Sstevel@tonic-gate usage(); 6917c478bd9Sstevel@tonic-gate init_drvconf = 1; 6927c478bd9Sstevel@tonic-gate break; 6937c478bd9Sstevel@tonic-gate case 'i': 6947c478bd9Sstevel@tonic-gate single_drv = TRUE; 6957c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 6967c478bd9Sstevel@tonic-gate break; 6977c478bd9Sstevel@tonic-gate case 'l': 6987c478bd9Sstevel@tonic-gate /* specify an alternate module load path */ 6997c478bd9Sstevel@tonic-gate module_dirs = s_strdup(optarg); 7007c478bd9Sstevel@tonic-gate break; 7017c478bd9Sstevel@tonic-gate case 'n': 7027c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 7037c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 7047c478bd9Sstevel@tonic-gate break; 7057c478bd9Sstevel@tonic-gate case 'p': 7067c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 7077c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 7087c478bd9Sstevel@tonic-gate break; 7097c478bd9Sstevel@tonic-gate case 'P': 7107c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 7117c478bd9Sstevel@tonic-gate usage(); 7127c478bd9Sstevel@tonic-gate /* load minor_perm and device_policy */ 7137c478bd9Sstevel@tonic-gate init_perm = 1; 7147c478bd9Sstevel@tonic-gate break; 7157c478bd9Sstevel@tonic-gate case 'R': 7167c478bd9Sstevel@tonic-gate /* 7177c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 7187c478bd9Sstevel@tonic-gate * device information on the installed root. 7197c478bd9Sstevel@tonic-gate */ 7207c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 7217c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 7227c478bd9Sstevel@tonic-gate break; 7237c478bd9Sstevel@tonic-gate case 'r': 7247c478bd9Sstevel@tonic-gate set_root_devices_dev_dir(optarg, 0); 7257c478bd9Sstevel@tonic-gate break; 7267c478bd9Sstevel@tonic-gate case 's': 7277c478bd9Sstevel@tonic-gate /* 7287c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 7297c478bd9Sstevel@tonic-gate * useful with -v or -V 7307c478bd9Sstevel@tonic-gate */ 7317c478bd9Sstevel@tonic-gate file_mods = FALSE; 7327c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 7337c478bd9Sstevel@tonic-gate break; 7347c478bd9Sstevel@tonic-gate case 't': 7357c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 7367c478bd9Sstevel@tonic-gate break; 7377c478bd9Sstevel@tonic-gate case 'v': 7387c478bd9Sstevel@tonic-gate /* documented verbose flag */ 7397c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 7407c478bd9Sstevel@tonic-gate break; 7417c478bd9Sstevel@tonic-gate case 'V': 7427c478bd9Sstevel@tonic-gate /* undocumented: specify verbose lvl */ 7437c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 7447c478bd9Sstevel@tonic-gate break; 7457c478bd9Sstevel@tonic-gate case 'x': 7467c478bd9Sstevel@tonic-gate /* 7477c478bd9Sstevel@tonic-gate * x is the "private switch" option. The 7487c478bd9Sstevel@tonic-gate * goal is to not suck up all the other 7497c478bd9Sstevel@tonic-gate * option letters. 7507c478bd9Sstevel@tonic-gate */ 7517c478bd9Sstevel@tonic-gate if (strcmp(optarg, "update_devlinksdb") == 0) { 7527c478bd9Sstevel@tonic-gate update_database = TRUE; 7537c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_dev") == 0) { 7547c478bd9Sstevel@tonic-gate /* don't build /dev */ 7557c478bd9Sstevel@tonic-gate build_dev = FALSE; 7567c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_devices") == 0) { 7577c478bd9Sstevel@tonic-gate /* don't build /devices */ 7587c478bd9Sstevel@tonic-gate build_devices = FALSE; 7597c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_p2i") == 0) { 7607c478bd9Sstevel@tonic-gate /* don't flush path_to_inst */ 7617c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 7627c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "use_dicache") == 0) { 7637c478bd9Sstevel@tonic-gate use_snapshot_cache = TRUE; 7647c478bd9Sstevel@tonic-gate } else { 7657c478bd9Sstevel@tonic-gate usage(); 7667c478bd9Sstevel@tonic-gate } 7677c478bd9Sstevel@tonic-gate break; 7687c478bd9Sstevel@tonic-gate case 'z': 7697c478bd9Sstevel@tonic-gate zonename = optarg; 7707c478bd9Sstevel@tonic-gate zoneop = ZONE_REG; 7717c478bd9Sstevel@tonic-gate break; 7727c478bd9Sstevel@tonic-gate case 'Z': 7737c478bd9Sstevel@tonic-gate zonename = optarg; 7747c478bd9Sstevel@tonic-gate zoneop = ZONE_UNREG; 7757c478bd9Sstevel@tonic-gate break; 7767c478bd9Sstevel@tonic-gate default: 7777c478bd9Sstevel@tonic-gate usage(); 7787c478bd9Sstevel@tonic-gate break; 7797c478bd9Sstevel@tonic-gate } 7807c478bd9Sstevel@tonic-gate 7817c478bd9Sstevel@tonic-gate } 7827c478bd9Sstevel@tonic-gate if (optind < argc) { 7837c478bd9Sstevel@tonic-gate usage(); 7847c478bd9Sstevel@tonic-gate } 7857c478bd9Sstevel@tonic-gate 7867c478bd9Sstevel@tonic-gate /* 7877c478bd9Sstevel@tonic-gate * We're not in zone mode; Check to see if the rootpath 7887c478bd9Sstevel@tonic-gate * collides with any zonepaths. 7897c478bd9Sstevel@tonic-gate */ 7907c478bd9Sstevel@tonic-gate if (zonename == NULL) { 7917c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != DEVFSADM_SUCCESS) 7927c478bd9Sstevel@tonic-gate devfsadm_exit(1); 7937c478bd9Sstevel@tonic-gate } 7947c478bd9Sstevel@tonic-gate 7957c478bd9Sstevel@tonic-gate if (zonename != NULL) { 7967c478bd9Sstevel@tonic-gate /* 7977c478bd9Sstevel@tonic-gate * -z and -Z cannot be used if we're the daemon. The 7987c478bd9Sstevel@tonic-gate * daemon always manages all zones. 7997c478bd9Sstevel@tonic-gate */ 8007c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 8017c478bd9Sstevel@tonic-gate usage(); 8027c478bd9Sstevel@tonic-gate 8037c478bd9Sstevel@tonic-gate /* 8047c478bd9Sstevel@tonic-gate * -z and -Z are private flags, but to be paranoid we 8057c478bd9Sstevel@tonic-gate * check whether they have been combined with -r. 8067c478bd9Sstevel@tonic-gate */ 8077c478bd9Sstevel@tonic-gate if (*root_dir != '\0') 8087c478bd9Sstevel@tonic-gate usage(); 8097c478bd9Sstevel@tonic-gate 8107c478bd9Sstevel@tonic-gate if (set_zone_params(optarg) != DEVFSADM_SUCCESS) 8117c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8127c478bd9Sstevel@tonic-gate 8137c478bd9Sstevel@tonic-gate call_zone_register(zonename, zoneop); 8147c478bd9Sstevel@tonic-gate if (zoneop == ZONE_UNREG) 8157c478bd9Sstevel@tonic-gate devfsadm_exit(0); 8167c478bd9Sstevel@tonic-gate /* 8177c478bd9Sstevel@tonic-gate * If we are in ZONE_REG mode we plow on, laying out 8187c478bd9Sstevel@tonic-gate * devices for this zone. 8197c478bd9Sstevel@tonic-gate */ 8207c478bd9Sstevel@tonic-gate } 8217c478bd9Sstevel@tonic-gate if (init_drvconf || init_perm) { 8227c478bd9Sstevel@tonic-gate /* 8237c478bd9Sstevel@tonic-gate * Load minor perm before force-loading drivers 8247c478bd9Sstevel@tonic-gate * so the correct permissions are picked up. 8257c478bd9Sstevel@tonic-gate */ 8267c478bd9Sstevel@tonic-gate if (init_perm) 8277c478bd9Sstevel@tonic-gate load_dev_acl(); 8287c478bd9Sstevel@tonic-gate if (init_drvconf) 8297c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 8307c478bd9Sstevel@tonic-gate devfsadm_exit(0); 8317c478bd9Sstevel@tonic-gate /* NOTREACHED */ 8327c478bd9Sstevel@tonic-gate } 8337c478bd9Sstevel@tonic-gate } 8347c478bd9Sstevel@tonic-gate 8357c478bd9Sstevel@tonic-gate 8367c478bd9Sstevel@tonic-gate if (get_linkcompat_opts == TRUE) { 8377c478bd9Sstevel@tonic-gate 8387c478bd9Sstevel@tonic-gate build_devices = FALSE; 8397c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 8407c478bd9Sstevel@tonic-gate num_classes++; 8417c478bd9Sstevel@tonic-gate classes = s_realloc(classes, num_classes * 8427c478bd9Sstevel@tonic-gate sizeof (char *)); 8437c478bd9Sstevel@tonic-gate classes[num_classes - 1] = compat_class; 8447c478bd9Sstevel@tonic-gate 8457c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "Cnr:svV:")) != EOF) { 8467c478bd9Sstevel@tonic-gate switch (opt) { 8477c478bd9Sstevel@tonic-gate case 'C': 8487c478bd9Sstevel@tonic-gate cleanup = TRUE; 8497c478bd9Sstevel@tonic-gate break; 8507c478bd9Sstevel@tonic-gate case 'n': 8517c478bd9Sstevel@tonic-gate /* prevent driver loading or deferred attach */ 8527c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 8537c478bd9Sstevel@tonic-gate break; 8547c478bd9Sstevel@tonic-gate case 'r': 8557c478bd9Sstevel@tonic-gate set_root_devices_dev_dir(optarg, 0); 8567c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 8577c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 8587c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8597c478bd9Sstevel@tonic-gate break; 8607c478bd9Sstevel@tonic-gate case 's': 8617c478bd9Sstevel@tonic-gate /* suppress. don't create/remove links/nodes */ 8627c478bd9Sstevel@tonic-gate /* useful with -v or -V */ 8637c478bd9Sstevel@tonic-gate file_mods = FALSE; 8647c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 8657c478bd9Sstevel@tonic-gate break; 8667c478bd9Sstevel@tonic-gate case 'v': 8677c478bd9Sstevel@tonic-gate /* documented verbose flag */ 8687c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 8697c478bd9Sstevel@tonic-gate break; 8707c478bd9Sstevel@tonic-gate case 'V': 8717c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 8727c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 8737c478bd9Sstevel@tonic-gate break; 8747c478bd9Sstevel@tonic-gate default: 8757c478bd9Sstevel@tonic-gate usage(); 8767c478bd9Sstevel@tonic-gate } 8777c478bd9Sstevel@tonic-gate } 8787c478bd9Sstevel@tonic-gate if (optind < argc) { 8797c478bd9Sstevel@tonic-gate usage(); 8807c478bd9Sstevel@tonic-gate } 8817c478bd9Sstevel@tonic-gate } 8827c478bd9Sstevel@tonic-gate } 8837c478bd9Sstevel@tonic-gate 8847c478bd9Sstevel@tonic-gate void 8857c478bd9Sstevel@tonic-gate usage(void) 8867c478bd9Sstevel@tonic-gate { 8877c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 8887c478bd9Sstevel@tonic-gate err_print(DEVLINKS_USAGE); 8897c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 8907c478bd9Sstevel@tonic-gate err_print(DRVCONFIG_USAGE); 8917c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 8927c478bd9Sstevel@tonic-gate (strcmp(prog, DEVFSADMD) == 0)) { 8937c478bd9Sstevel@tonic-gate err_print(DEVFSADM_USAGE); 8947c478bd9Sstevel@tonic-gate } else { 8957c478bd9Sstevel@tonic-gate err_print(COMPAT_LINK_USAGE); 8967c478bd9Sstevel@tonic-gate } 8977c478bd9Sstevel@tonic-gate 8987c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8997c478bd9Sstevel@tonic-gate } 9007c478bd9Sstevel@tonic-gate 9017c478bd9Sstevel@tonic-gate static void 9027c478bd9Sstevel@tonic-gate devi_tree_walk(struct dca_impl *dcip, int flags, char *ev_subclass) 9037c478bd9Sstevel@tonic-gate { 9047c478bd9Sstevel@tonic-gate char *msg, *name; 9057c478bd9Sstevel@tonic-gate struct mlist mlist = {0}; 9067c478bd9Sstevel@tonic-gate di_node_t node; 9077c478bd9Sstevel@tonic-gate 9087c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "devi_tree_walk: root=%s, minor=%s, driver=%s," 9097c478bd9Sstevel@tonic-gate " error=%d, flags=%u\n", dcip->dci_root, 9107c478bd9Sstevel@tonic-gate dcip->dci_minor ? dcip->dci_minor : "<NULL>", 9117c478bd9Sstevel@tonic-gate dcip->dci_driver ? dcip->dci_driver : "<NULL>", dcip->dci_error, 9127c478bd9Sstevel@tonic-gate dcip->dci_flags); 9137c478bd9Sstevel@tonic-gate 9147c478bd9Sstevel@tonic-gate assert(dcip->dci_root); 9157c478bd9Sstevel@tonic-gate 9167c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_LOAD_DRV) { 9177c478bd9Sstevel@tonic-gate node = di_init_driver(dcip->dci_driver, flags); 9187c478bd9Sstevel@tonic-gate msg = DRIVER_FAILURE; 9197c478bd9Sstevel@tonic-gate name = dcip->dci_driver; 9207c478bd9Sstevel@tonic-gate } else { 9217c478bd9Sstevel@tonic-gate node = di_init(dcip->dci_root, flags); 9227c478bd9Sstevel@tonic-gate msg = DI_INIT_FAILED; 9237c478bd9Sstevel@tonic-gate name = dcip->dci_root; 9247c478bd9Sstevel@tonic-gate } 9257c478bd9Sstevel@tonic-gate 9267c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 9277c478bd9Sstevel@tonic-gate dcip->dci_error = errno; 9287c478bd9Sstevel@tonic-gate /* 9297c478bd9Sstevel@tonic-gate * Rapid hotplugging (commonly seen during USB testing), 9307c478bd9Sstevel@tonic-gate * may remove a device before the create event for it 9317c478bd9Sstevel@tonic-gate * has been processed. To prevent alarming users with 9327c478bd9Sstevel@tonic-gate * a superfluous message, we suppress error messages 9337c478bd9Sstevel@tonic-gate * for ENXIO and hotplug. 9347c478bd9Sstevel@tonic-gate */ 9357c478bd9Sstevel@tonic-gate if (!(errno == ENXIO && (dcip->dci_flags & DCA_HOT_PLUG))) 9367c478bd9Sstevel@tonic-gate err_print(msg, name, strerror(dcip->dci_error)); 9377c478bd9Sstevel@tonic-gate return; 9387c478bd9Sstevel@tonic-gate } 9397c478bd9Sstevel@tonic-gate 9407c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_FLUSH_PATHINST) 9417c478bd9Sstevel@tonic-gate flush_path_to_inst(); 9427c478bd9Sstevel@tonic-gate 9437c478bd9Sstevel@tonic-gate dcip->dci_arg = &mlist; 9447c478bd9Sstevel@tonic-gate 9457c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "walking device tree\n"); 9467c478bd9Sstevel@tonic-gate 9477c478bd9Sstevel@tonic-gate (void) di_walk_minor(node, NULL, DI_CHECK_ALIAS, dcip, 9487c478bd9Sstevel@tonic-gate check_minor_type); 9497c478bd9Sstevel@tonic-gate 9507c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_CREATE_LINK); 9517c478bd9Sstevel@tonic-gate 9527c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 9537c478bd9Sstevel@tonic-gate 9547c478bd9Sstevel@tonic-gate /* 9557c478bd9Sstevel@tonic-gate * Finished creating devfs files and dev links. 9567c478bd9Sstevel@tonic-gate * Log sysevent and notify RCM. 9577c478bd9Sstevel@tonic-gate */ 9587c478bd9Sstevel@tonic-gate if (ev_subclass) 9597c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_ADD, ev_subclass, dcip->dci_root, 9607c478bd9Sstevel@tonic-gate node); 9617c478bd9Sstevel@tonic-gate 9627c478bd9Sstevel@tonic-gate if ((dcip->dci_flags & DCA_NOTIFY_RCM) && rcm_hdl) 9637c478bd9Sstevel@tonic-gate (void) notify_rcm(node, dcip->dci_minor); 9647c478bd9Sstevel@tonic-gate 965*45916cd2Sjpk /* Add new device to device allocation database */ 966*45916cd2Sjpk if (system_labeled && update_devdb) { 967*45916cd2Sjpk _update_devalloc_db(&devlist, 0, DA_ADD, NULL, root_dir); 968*45916cd2Sjpk update_devdb = 0; 969*45916cd2Sjpk } 970*45916cd2Sjpk 9717c478bd9Sstevel@tonic-gate di_fini(node); 9727c478bd9Sstevel@tonic-gate } 9737c478bd9Sstevel@tonic-gate 9747c478bd9Sstevel@tonic-gate static void 9757c478bd9Sstevel@tonic-gate process_deferred_links(struct dca_impl *dcip, int flags) 9767c478bd9Sstevel@tonic-gate { 9777c478bd9Sstevel@tonic-gate struct mlist *dep; 9787c478bd9Sstevel@tonic-gate struct minor *mp, *smp; 9797c478bd9Sstevel@tonic-gate 9807c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "processing deferred links\n"); 9817c478bd9Sstevel@tonic-gate 9827c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 9837c478bd9Sstevel@tonic-gate 9847c478bd9Sstevel@tonic-gate /* 9857c478bd9Sstevel@tonic-gate * The list head is not used during the deferred create phase 9867c478bd9Sstevel@tonic-gate */ 9877c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 9887c478bd9Sstevel@tonic-gate 9897c478bd9Sstevel@tonic-gate assert(dep); 9907c478bd9Sstevel@tonic-gate assert((dep->head == NULL) ^ (dep->tail != NULL)); 9917c478bd9Sstevel@tonic-gate assert(flags == DCA_FREE_LIST || flags == DCA_CREATE_LINK); 9927c478bd9Sstevel@tonic-gate 9937c478bd9Sstevel@tonic-gate for (smp = NULL, mp = dep->head; mp; mp = mp->next) { 9947c478bd9Sstevel@tonic-gate if (flags == DCA_CREATE_LINK) 9957c478bd9Sstevel@tonic-gate (void) check_minor_type(mp->node, mp->minor, dcip); 9967c478bd9Sstevel@tonic-gate free(smp); 9977c478bd9Sstevel@tonic-gate smp = mp; 9987c478bd9Sstevel@tonic-gate } 9997c478bd9Sstevel@tonic-gate 10007c478bd9Sstevel@tonic-gate free(smp); 10017c478bd9Sstevel@tonic-gate } 10027c478bd9Sstevel@tonic-gate 10037c478bd9Sstevel@tonic-gate /* 10047c478bd9Sstevel@tonic-gate * Called in non-daemon mode to take a snap shot of the devinfo tree. 10057c478bd9Sstevel@tonic-gate * Then it calls the appropriate functions to build /devices and /dev. 10067c478bd9Sstevel@tonic-gate * It also flushes path_to_inst. 10078c4f8890Srs * DINFOCACHE snapshot needs to be updated when devfsadm is run. 10088c4f8890Srs * This will only happen if the flags that devfsadm uses matches the flags 10098c4f8890Srs * that DINFOCACHE uses and that is why flags is set to 10108c4f8890Srs * DI_CACHE_SNAPSHOT_FLAGS. 10117c478bd9Sstevel@tonic-gate */ 10127c478bd9Sstevel@tonic-gate void 10137c478bd9Sstevel@tonic-gate process_devinfo_tree() 10147c478bd9Sstevel@tonic-gate { 10158c4f8890Srs uint_t flags = DI_CACHE_SNAPSHOT_FLAGS; 10167c478bd9Sstevel@tonic-gate struct dca_impl dci; 10177c478bd9Sstevel@tonic-gate char name[MAXNAMELEN]; 10187c478bd9Sstevel@tonic-gate char *fcn = "process_devinfo_tree: "; 10197c478bd9Sstevel@tonic-gate 10207c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 10217c478bd9Sstevel@tonic-gate 10227c478bd9Sstevel@tonic-gate dca_impl_init("/", NULL, &dci); 10237c478bd9Sstevel@tonic-gate 10247c478bd9Sstevel@tonic-gate lock_dev(); 10257c478bd9Sstevel@tonic-gate 10267c478bd9Sstevel@tonic-gate /* 10277c478bd9Sstevel@tonic-gate * Update kernel driver.conf cache when devfsadm/drvconfig 10287c478bd9Sstevel@tonic-gate * is invoked to build /devices and /dev. 10297c478bd9Sstevel@tonic-gate */ 10307c478bd9Sstevel@tonic-gate if (load_attach_drv == TRUE) 10317c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 10327c478bd9Sstevel@tonic-gate 10337c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 10347c478bd9Sstevel@tonic-gate /* 10357c478bd9Sstevel@tonic-gate * load a single driver, but walk the entire devinfo tree 10367c478bd9Sstevel@tonic-gate */ 10377c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE) 10387c478bd9Sstevel@tonic-gate err_print(DRV_LOAD_REQD); 10397c478bd9Sstevel@tonic-gate 10407c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching driver (%s)\n", fcn, driver); 10417c478bd9Sstevel@tonic-gate 10427c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_LOAD_DRV; 10437c478bd9Sstevel@tonic-gate (void) snprintf(name, sizeof (name), "%s", driver); 10447c478bd9Sstevel@tonic-gate dci.dci_driver = name; 10457c478bd9Sstevel@tonic-gate 10467c478bd9Sstevel@tonic-gate } else if (load_attach_drv == TRUE) { 10477c478bd9Sstevel@tonic-gate /* 1048*45916cd2Sjpk * Load and attach all drivers, then walk the entire tree. 10497c478bd9Sstevel@tonic-gate * If the cache flag is set, use DINFOCACHE to get cached 10507c478bd9Sstevel@tonic-gate * data. 10517c478bd9Sstevel@tonic-gate */ 10527c478bd9Sstevel@tonic-gate if (use_snapshot_cache == TRUE) { 10537c478bd9Sstevel@tonic-gate flags = DINFOCACHE; 10547c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%susing snapshot cache\n", fcn); 10557c478bd9Sstevel@tonic-gate } else { 10567c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching all drivers\n", fcn); 10577c478bd9Sstevel@tonic-gate flags |= DINFOFORCE; 10583c34adc5Sramat if (cleanup) { 10593c34adc5Sramat /* 10603c34adc5Sramat * remove dangling entries from /etc/devices 10613c34adc5Sramat * files. 10623c34adc5Sramat */ 10633c34adc5Sramat flags |= DINFOCLEANUP; 10643c34adc5Sramat } 10657c478bd9Sstevel@tonic-gate } 10667c478bd9Sstevel@tonic-gate } 10677c478bd9Sstevel@tonic-gate 10687c478bd9Sstevel@tonic-gate if (((load_attach_drv == TRUE) || (single_drv == TRUE)) && 10697c478bd9Sstevel@tonic-gate (build_devices == TRUE)) { 10707c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_FLUSH_PATHINST; 10717c478bd9Sstevel@tonic-gate } 10727c478bd9Sstevel@tonic-gate 10737c478bd9Sstevel@tonic-gate /* handle pre-cleanup operations desired by the modules. */ 10747c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_PRE); 10757c478bd9Sstevel@tonic-gate 10767c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, flags, NULL); 10777c478bd9Sstevel@tonic-gate 10787c478bd9Sstevel@tonic-gate if (dci.dci_error) { 10797c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10807c478bd9Sstevel@tonic-gate } 10817c478bd9Sstevel@tonic-gate 10827c478bd9Sstevel@tonic-gate /* handle post-cleanup operations desired by the modules. */ 10837c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_POST); 10847c478bd9Sstevel@tonic-gate 10857c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 10867c478bd9Sstevel@tonic-gate } 10877c478bd9Sstevel@tonic-gate 10887c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 10897c478bd9Sstevel@tonic-gate static void 10907c478bd9Sstevel@tonic-gate print_cache_signal(int signo) 10917c478bd9Sstevel@tonic-gate { 10927c478bd9Sstevel@tonic-gate 10937c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 10947c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 10957c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10967c478bd9Sstevel@tonic-gate } 10977c478bd9Sstevel@tonic-gate } 10987c478bd9Sstevel@tonic-gate 10997c478bd9Sstevel@tonic-gate /* 11007c478bd9Sstevel@tonic-gate * Register with eventd for messages. Create doors for synchronous 11017c478bd9Sstevel@tonic-gate * link creation. 11027c478bd9Sstevel@tonic-gate */ 11037c478bd9Sstevel@tonic-gate static void 11047c478bd9Sstevel@tonic-gate daemon_update(void) 11057c478bd9Sstevel@tonic-gate { 11067c478bd9Sstevel@tonic-gate int fd; 11077c478bd9Sstevel@tonic-gate char *fcn = "daemon_update: "; 11087c478bd9Sstevel@tonic-gate char door_file[MAXPATHLEN]; 11097c478bd9Sstevel@tonic-gate const char *subclass_list; 11107c478bd9Sstevel@tonic-gate sysevent_handle_t *sysevent_hp; 11117c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 11127c478bd9Sstevel@tonic-gate 11137c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 11147c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 11157c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11167c478bd9Sstevel@tonic-gate } 11177c478bd9Sstevel@tonic-gate 11187c478bd9Sstevel@tonic-gate if (snprintf(door_file, sizeof (door_file), 11197c478bd9Sstevel@tonic-gate "%s%s", root_dir, DEVFSADM_SERVICE_DOOR) >= sizeof (door_file)) { 11207c478bd9Sstevel@tonic-gate err_print("update_daemon failed to open sysevent service " 11217c478bd9Sstevel@tonic-gate "door\n"); 11227c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11237c478bd9Sstevel@tonic-gate } 11247c478bd9Sstevel@tonic-gate if ((sysevent_hp = sysevent_open_channel_alt( 11257c478bd9Sstevel@tonic-gate door_file)) == NULL) { 11267c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11277c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11287c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11297c478bd9Sstevel@tonic-gate } 11307c478bd9Sstevel@tonic-gate if (sysevent_bind_subscriber(sysevent_hp, event_handler) != 0) { 11317c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11327c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11337c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 11347c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11357c478bd9Sstevel@tonic-gate } 11367c478bd9Sstevel@tonic-gate subclass_list = EC_SUB_ALL; 11377c478bd9Sstevel@tonic-gate if (sysevent_register_event(sysevent_hp, EC_ALL, &subclass_list, 1) 11387c478bd9Sstevel@tonic-gate != 0) { 11397c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11407c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11417c478bd9Sstevel@tonic-gate (void) sysevent_unbind_subscriber(sysevent_hp); 11427c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 11437c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11447c478bd9Sstevel@tonic-gate } 11457c478bd9Sstevel@tonic-gate 11467c478bd9Sstevel@tonic-gate if (snprintf(door_file, sizeof (door_file), 11477c478bd9Sstevel@tonic-gate "%s/%s", dev_dir, ZONE_REG_DOOR) >= sizeof (door_file)) { 11487c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_ZONE_DOOR, door_file, 11497c478bd9Sstevel@tonic-gate strerror(ENAMETOOLONG)); 11507c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11517c478bd9Sstevel@tonic-gate } 11527c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11537c478bd9Sstevel@tonic-gate if ((fd = open(door_file, O_RDWR | O_CREAT, ZONE_DOOR_PERMS)) == -1) { 11547c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_ZONE_DOOR, door_file, strerror(errno)); 11557c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11567c478bd9Sstevel@tonic-gate } 11577c478bd9Sstevel@tonic-gate (void) close(fd); 11587c478bd9Sstevel@tonic-gate if ((fd = door_create(zone_reg_handler, NULL, 11597c478bd9Sstevel@tonic-gate DOOR_REFUSE_DESC | DOOR_NO_CANCEL)) == -1) { 11607c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_ZONE_DOOR, door_file, strerror(errno)); 11617c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11627c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11637c478bd9Sstevel@tonic-gate } 11647c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 11657c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_ZONE_DOOR, door_file, strerror(errno)); 11667c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11677c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11687c478bd9Sstevel@tonic-gate } 11697c478bd9Sstevel@tonic-gate 11707c478bd9Sstevel@tonic-gate (void) snprintf(door_file, sizeof (door_file), "%s/%s", dev_dir, 11717c478bd9Sstevel@tonic-gate DEVFSADM_SYNCH_DOOR); 11727c478bd9Sstevel@tonic-gate 11737c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11747c478bd9Sstevel@tonic-gate if ((fd = open(door_file, O_RDWR | O_CREAT, SYNCH_DOOR_PERMS)) == -1) { 11757c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 11767c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11777c478bd9Sstevel@tonic-gate } 11787c478bd9Sstevel@tonic-gate (void) close(fd); 11797c478bd9Sstevel@tonic-gate 11807c478bd9Sstevel@tonic-gate if ((fd = door_create(sync_handler, NULL, 11817c478bd9Sstevel@tonic-gate DOOR_REFUSE_DESC | DOOR_NO_CANCEL)) == -1) { 11827c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 11837c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11847c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11857c478bd9Sstevel@tonic-gate } 11867c478bd9Sstevel@tonic-gate 11877c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 11887c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 11897c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11907c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11917c478bd9Sstevel@tonic-gate } 11927c478bd9Sstevel@tonic-gate devlink_door_fd = fd; 11937c478bd9Sstevel@tonic-gate 11947c478bd9Sstevel@tonic-gate /* 11957c478bd9Sstevel@tonic-gate * Make sure devfsadm is managing any and all configured system zones. 11967c478bd9Sstevel@tonic-gate */ 11977c478bd9Sstevel@tonic-gate if (register_all_zones() != DEVFSADM_SUCCESS) { 11987c478bd9Sstevel@tonic-gate err_print(ZONE_LIST_FAILED, strerror(errno)); 11997c478bd9Sstevel@tonic-gate } 12007c478bd9Sstevel@tonic-gate 12017c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%spausing\n", fcn); 12027c478bd9Sstevel@tonic-gate for (;;) { 12037c478bd9Sstevel@tonic-gate (void) pause(); 12047c478bd9Sstevel@tonic-gate } 12057c478bd9Sstevel@tonic-gate } 12067c478bd9Sstevel@tonic-gate 12077c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 12087c478bd9Sstevel@tonic-gate static void 12097c478bd9Sstevel@tonic-gate sync_handler(void *cookie, char *ap, size_t asize, 12107c478bd9Sstevel@tonic-gate door_desc_t *dp, uint_t ndesc) 12117c478bd9Sstevel@tonic-gate { 12127c478bd9Sstevel@tonic-gate door_cred_t dcred; 12137c478bd9Sstevel@tonic-gate struct dca_off *dcp, rdca; 12147c478bd9Sstevel@tonic-gate struct dca_impl dci; 12157c478bd9Sstevel@tonic-gate 12167c478bd9Sstevel@tonic-gate /* 12177c478bd9Sstevel@tonic-gate * Must be root to make this call 12187c478bd9Sstevel@tonic-gate * If caller is not root, don't touch its data. 12197c478bd9Sstevel@tonic-gate */ 12207c478bd9Sstevel@tonic-gate if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 12217c478bd9Sstevel@tonic-gate dcp = ⤷ 12227c478bd9Sstevel@tonic-gate dcp->dca_error = EPERM; 12237c478bd9Sstevel@tonic-gate goto out; 12247c478bd9Sstevel@tonic-gate } 12257c478bd9Sstevel@tonic-gate 12267c478bd9Sstevel@tonic-gate assert(ap); 12277c478bd9Sstevel@tonic-gate assert(asize == sizeof (*dcp)); 12287c478bd9Sstevel@tonic-gate 12297c478bd9Sstevel@tonic-gate dcp = (void *)ap; 12307c478bd9Sstevel@tonic-gate 12317c478bd9Sstevel@tonic-gate /* 12327c478bd9Sstevel@tonic-gate * Root is always present and is the first component of "name" member 12337c478bd9Sstevel@tonic-gate */ 12347c478bd9Sstevel@tonic-gate assert(dcp->dca_root == 0); 12357c478bd9Sstevel@tonic-gate 12367c478bd9Sstevel@tonic-gate /* 12377c478bd9Sstevel@tonic-gate * The structure passed in by the door_client uses offsets 12387c478bd9Sstevel@tonic-gate * instead of pointers to work across address space boundaries. 12397c478bd9Sstevel@tonic-gate * Now copy the data into a structure (dca_impl) which uses 12407c478bd9Sstevel@tonic-gate * pointers. 12417c478bd9Sstevel@tonic-gate */ 12427c478bd9Sstevel@tonic-gate dci.dci_root = &dcp->dca_name[dcp->dca_root]; 12437c478bd9Sstevel@tonic-gate dci.dci_minor = dcp->dca_minor ? &dcp->dca_name[dcp->dca_minor] : NULL; 12447c478bd9Sstevel@tonic-gate dci.dci_driver = 12457c478bd9Sstevel@tonic-gate dcp->dca_driver ? &dcp->dca_name[dcp->dca_driver] : NULL; 12467c478bd9Sstevel@tonic-gate dci.dci_error = 0; 12477c478bd9Sstevel@tonic-gate dci.dci_flags = dcp->dca_flags | (dci.dci_driver ? DCA_LOAD_DRV : 0); 12487c478bd9Sstevel@tonic-gate dci.dci_arg = NULL; 12497c478bd9Sstevel@tonic-gate 12507c478bd9Sstevel@tonic-gate lock_dev(); 12517c478bd9Sstevel@tonic-gate 12527c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOCPYALL, NULL); 12537c478bd9Sstevel@tonic-gate 12547c478bd9Sstevel@tonic-gate unlock_dev(CACHE_STATE); 12557c478bd9Sstevel@tonic-gate 12567c478bd9Sstevel@tonic-gate dcp->dca_error = dci.dci_error; 12577c478bd9Sstevel@tonic-gate 12587c478bd9Sstevel@tonic-gate startup_cache_sync_thread(); 12597c478bd9Sstevel@tonic-gate 12607c478bd9Sstevel@tonic-gate out: 12617c478bd9Sstevel@tonic-gate (void) door_return((char *)dcp, sizeof (*dcp), NULL, 0); 12627c478bd9Sstevel@tonic-gate } 12637c478bd9Sstevel@tonic-gate 12647c478bd9Sstevel@tonic-gate static void 12657c478bd9Sstevel@tonic-gate lock_dev(void) 12667c478bd9Sstevel@tonic-gate { 12677c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "lock_dev(): entered\n"); 12687c478bd9Sstevel@tonic-gate 12697c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 12707c478bd9Sstevel@tonic-gate return; 12717c478bd9Sstevel@tonic-gate 12727c478bd9Sstevel@tonic-gate /* lockout other threads from /dev */ 12737c478bd9Sstevel@tonic-gate while (sema_wait(&dev_sema) != 0); 12747c478bd9Sstevel@tonic-gate 12757c478bd9Sstevel@tonic-gate /* 12767c478bd9Sstevel@tonic-gate * Lock out other devfsadm processes from /dev. 12777c478bd9Sstevel@tonic-gate * If this wasn't the last process to run, 12787c478bd9Sstevel@tonic-gate * clear caches 12797c478bd9Sstevel@tonic-gate */ 12807c478bd9Sstevel@tonic-gate if (enter_dev_lock() != getpid()) { 12817c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 12827c478bd9Sstevel@tonic-gate rm_all_links_from_cache(); 12837c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, DI_LINK_ERROR); 12847c478bd9Sstevel@tonic-gate devlink_cache = NULL; 12857c478bd9Sstevel@tonic-gate } 12867c478bd9Sstevel@tonic-gate 12877c478bd9Sstevel@tonic-gate /* 12887c478bd9Sstevel@tonic-gate * (re)load the reverse links database if not 12897c478bd9Sstevel@tonic-gate * already cached. 12907c478bd9Sstevel@tonic-gate */ 12917c478bd9Sstevel@tonic-gate if (devlink_cache == NULL) 12927c478bd9Sstevel@tonic-gate devlink_cache = di_devlink_open(root_dir, 0); 12937c478bd9Sstevel@tonic-gate 12947c478bd9Sstevel@tonic-gate 12957c478bd9Sstevel@tonic-gate /* 12967c478bd9Sstevel@tonic-gate * If modules were unloaded, reload them. Also use module status 12977c478bd9Sstevel@tonic-gate * as an indication that we should check to see if other binding 12987c478bd9Sstevel@tonic-gate * files need to be reloaded. 12997c478bd9Sstevel@tonic-gate */ 13007c478bd9Sstevel@tonic-gate if (module_head == NULL) { 13017c478bd9Sstevel@tonic-gate load_modules(); 13027c478bd9Sstevel@tonic-gate read_minor_perm_file(); 13037c478bd9Sstevel@tonic-gate read_driver_aliases_file(); 13047c478bd9Sstevel@tonic-gate read_devlinktab_file(); 13057c478bd9Sstevel@tonic-gate read_logindevperm_file(); 13067c478bd9Sstevel@tonic-gate } 13077c478bd9Sstevel@tonic-gate 13087c478bd9Sstevel@tonic-gate if (module_head != NULL) 13097c478bd9Sstevel@tonic-gate return; 13107c478bd9Sstevel@tonic-gate 13117c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 13127c478bd9Sstevel@tonic-gate if (devlinktab_list == NULL) { 13137c478bd9Sstevel@tonic-gate err_print(NO_LINKTAB, devlinktab_file); 13147c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 13157c478bd9Sstevel@tonic-gate err_print(ABORTING); 13167c478bd9Sstevel@tonic-gate devfsadm_exit(1); 13177c478bd9Sstevel@tonic-gate } 13187c478bd9Sstevel@tonic-gate } else { 13197c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 13207c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADM) == 0) { 13217c478bd9Sstevel@tonic-gate err_print(MODIFY_PATH); 13227c478bd9Sstevel@tonic-gate } 13237c478bd9Sstevel@tonic-gate } 13247c478bd9Sstevel@tonic-gate } 13257c478bd9Sstevel@tonic-gate 13267c478bd9Sstevel@tonic-gate static void 13277c478bd9Sstevel@tonic-gate unlock_dev(int flag) 13287c478bd9Sstevel@tonic-gate { 13297c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "unlock_dev(): entered\n"); 13307c478bd9Sstevel@tonic-gate 13317c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 13327c478bd9Sstevel@tonic-gate return; 13337c478bd9Sstevel@tonic-gate 13347c478bd9Sstevel@tonic-gate assert(devlink_cache); 13357c478bd9Sstevel@tonic-gate assert(flag == SYNC_STATE || flag == CACHE_STATE); 13367c478bd9Sstevel@tonic-gate 13377c478bd9Sstevel@tonic-gate 13387c478bd9Sstevel@tonic-gate if (flag == SYNC_STATE) { 13397c478bd9Sstevel@tonic-gate unload_modules(); 13407c478bd9Sstevel@tonic-gate if (update_database) 13417c478bd9Sstevel@tonic-gate (void) di_devlink_update(devlink_cache); 13427c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 13437c478bd9Sstevel@tonic-gate devlink_cache = NULL; 13447c478bd9Sstevel@tonic-gate } 13457c478bd9Sstevel@tonic-gate 13467c478bd9Sstevel@tonic-gate exit_dev_lock(); 13477c478bd9Sstevel@tonic-gate 13487c478bd9Sstevel@tonic-gate (void) sema_post(&dev_sema); 13497c478bd9Sstevel@tonic-gate } 13507c478bd9Sstevel@tonic-gate 13517c478bd9Sstevel@tonic-gate /* 13527c478bd9Sstevel@tonic-gate * Contact the daemon to register the identified zone. We do everything with 13537c478bd9Sstevel@tonic-gate * zone names, for simplicity. 13547c478bd9Sstevel@tonic-gate */ 13557c478bd9Sstevel@tonic-gate static void 13567c478bd9Sstevel@tonic-gate call_zone_register(char *zone_name, int regop) 13577c478bd9Sstevel@tonic-gate { 13587c478bd9Sstevel@tonic-gate int doorfd, ret, retries = 0; 13597c478bd9Sstevel@tonic-gate door_arg_t arg; 13607c478bd9Sstevel@tonic-gate struct zreg z; 13617c478bd9Sstevel@tonic-gate char path[MAXPATHLEN]; 13627c478bd9Sstevel@tonic-gate 13637c478bd9Sstevel@tonic-gate assert(regop == ZONE_REG || regop == ZONE_UNREG); 13647c478bd9Sstevel@tonic-gate 13657c478bd9Sstevel@tonic-gate if (strcmp(zone_name, GLOBAL_ZONENAME) == 0) { 13667c478bd9Sstevel@tonic-gate err_print(INVALID_ZONE, zone_name); 13677c478bd9Sstevel@tonic-gate return; 13687c478bd9Sstevel@tonic-gate } 13697c478bd9Sstevel@tonic-gate 13707c478bd9Sstevel@tonic-gate z.zreg_error = 0; 13717c478bd9Sstevel@tonic-gate z.zreg_op = regop; 13727c478bd9Sstevel@tonic-gate (void) strlcpy(z.zreg_zonename, zone_name, ZONENAME_MAX); 13737c478bd9Sstevel@tonic-gate 13747c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "/dev/%s", ZONE_REG_DOOR); 13757c478bd9Sstevel@tonic-gate if ((doorfd = open(path, O_RDWR)) == -1) { 13767c478bd9Sstevel@tonic-gate return; 13777c478bd9Sstevel@tonic-gate } 13787c478bd9Sstevel@tonic-gate 13797c478bd9Sstevel@tonic-gate bzero(&arg, sizeof (arg)); 13807c478bd9Sstevel@tonic-gate arg.data_ptr = (char *)&z; 13817c478bd9Sstevel@tonic-gate arg.data_size = sizeof (z); 13827c478bd9Sstevel@tonic-gate arg.rbuf = (char *)&z; 13837c478bd9Sstevel@tonic-gate arg.rsize = sizeof (z); 13847c478bd9Sstevel@tonic-gate 13857c478bd9Sstevel@tonic-gate /* 13867c478bd9Sstevel@tonic-gate * If the daemon is running, tell it about the zone. If not, it's 13877c478bd9Sstevel@tonic-gate * ok. When it next gets run by the system (because there is 13887c478bd9Sstevel@tonic-gate * device-related work to do), it will load the list of zones from 13897c478bd9Sstevel@tonic-gate * the kernel. 13907c478bd9Sstevel@tonic-gate */ 13917c478bd9Sstevel@tonic-gate while (((ret = door_call(doorfd, &arg)) == -1) && retries++ < 3) { 13927c478bd9Sstevel@tonic-gate (void) sleep(retries); 13937c478bd9Sstevel@tonic-gate } 13947c478bd9Sstevel@tonic-gate (void) close(doorfd); 13957c478bd9Sstevel@tonic-gate 13967c478bd9Sstevel@tonic-gate if (ret != 0) { 13977c478bd9Sstevel@tonic-gate return; 13987c478bd9Sstevel@tonic-gate } 13997c478bd9Sstevel@tonic-gate 14007c478bd9Sstevel@tonic-gate switch (z.zreg_error) { 14017c478bd9Sstevel@tonic-gate case ZONE_SUCCESS: 14027c478bd9Sstevel@tonic-gate break; 14037c478bd9Sstevel@tonic-gate case ZONE_ERR_NOZONE: 14047c478bd9Sstevel@tonic-gate err_print(ZONE_REG_FAILED, zone_name, strerror(z.zreg_errno)); 14057c478bd9Sstevel@tonic-gate break; 14067c478bd9Sstevel@tonic-gate case ZONE_ERR_DOOR: 14077c478bd9Sstevel@tonic-gate err_print(ZONE_DOOR_MKFAIL, zone_name, strerror(z.zreg_errno)); 14087c478bd9Sstevel@tonic-gate break; 14097c478bd9Sstevel@tonic-gate case ZONE_ERR_REPOSITORY: 14107c478bd9Sstevel@tonic-gate err_print(ZONE_REP_FAILED, zone_name, strerror(z.zreg_errno)); 14117c478bd9Sstevel@tonic-gate break; 14127c478bd9Sstevel@tonic-gate case ZONE_ERR_NOLIB: 14137c478bd9Sstevel@tonic-gate err_print(ZONE_LIB_MISSING); 14147c478bd9Sstevel@tonic-gate break; 14157c478bd9Sstevel@tonic-gate default: 14167c478bd9Sstevel@tonic-gate err_print(ZONE_REG_FAILED, zone_name, strerror(z.zreg_errno)); 14177c478bd9Sstevel@tonic-gate break; 14187c478bd9Sstevel@tonic-gate } 14197c478bd9Sstevel@tonic-gate } 14207c478bd9Sstevel@tonic-gate 14217c478bd9Sstevel@tonic-gate /* 14227c478bd9Sstevel@tonic-gate * The following routines are the daemon-side code for managing the set of 14237c478bd9Sstevel@tonic-gate * currently registered zones. 14247c478bd9Sstevel@tonic-gate * 14257c478bd9Sstevel@tonic-gate * TODO: improve brain-dead list performance--- use libuutil avl tree or hash? 14267c478bd9Sstevel@tonic-gate */ 14277c478bd9Sstevel@tonic-gate static void 14287c478bd9Sstevel@tonic-gate zlist_insert(struct zone_devinfo *newzone) 14297c478bd9Sstevel@tonic-gate { 14307c478bd9Sstevel@tonic-gate struct zone_devinfo *z; 14317c478bd9Sstevel@tonic-gate assert(MUTEX_HELD(&zone_mutex)); 14327c478bd9Sstevel@tonic-gate 14337c478bd9Sstevel@tonic-gate if (zone_head == NULL) { 14347c478bd9Sstevel@tonic-gate zone_head = newzone; 14357c478bd9Sstevel@tonic-gate return; 14367c478bd9Sstevel@tonic-gate } 14377c478bd9Sstevel@tonic-gate z = zlist_remove(newzone->zone_name); 14387c478bd9Sstevel@tonic-gate if (z != NULL) 14397c478bd9Sstevel@tonic-gate delete_zone(z); 14407c478bd9Sstevel@tonic-gate newzone->zone_next = zone_head; 14417c478bd9Sstevel@tonic-gate zone_head = newzone; 14427c478bd9Sstevel@tonic-gate } 14437c478bd9Sstevel@tonic-gate 14447c478bd9Sstevel@tonic-gate static void 14457c478bd9Sstevel@tonic-gate delete_zone(struct zone_devinfo *z) { 14467c478bd9Sstevel@tonic-gate char door_file[PATH_MAX]; 14477c478bd9Sstevel@tonic-gate 14487c478bd9Sstevel@tonic-gate /* 14497c478bd9Sstevel@tonic-gate * Tidy up by withdrawing our door from the zone. 14507c478bd9Sstevel@tonic-gate */ 14517c478bd9Sstevel@tonic-gate (void) snprintf(door_file, sizeof (door_file), "%s/dev/%s", 14527c478bd9Sstevel@tonic-gate z->zone_path, DEVFSADM_SYNCH_DOOR); 14537c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 14547c478bd9Sstevel@tonic-gate 14557c478bd9Sstevel@tonic-gate zonecfg_fini_handle(z->zone_dochdl); 14567c478bd9Sstevel@tonic-gate free(z->zone_path); 14577c478bd9Sstevel@tonic-gate free(z->zone_name); 14587c478bd9Sstevel@tonic-gate free(z); 14597c478bd9Sstevel@tonic-gate } 14607c478bd9Sstevel@tonic-gate 14617c478bd9Sstevel@tonic-gate static struct zone_devinfo * 14627c478bd9Sstevel@tonic-gate zlist_remove(char *zone_name) 14637c478bd9Sstevel@tonic-gate { 14647c478bd9Sstevel@tonic-gate struct zone_devinfo *z, *unlinked = NULL, **prevnextp; 14657c478bd9Sstevel@tonic-gate assert(MUTEX_HELD(&zone_mutex)); 14667c478bd9Sstevel@tonic-gate 14677c478bd9Sstevel@tonic-gate prevnextp = &zone_head; 14687c478bd9Sstevel@tonic-gate for (z = zone_head; z != NULL; z = z->zone_next) { 14697c478bd9Sstevel@tonic-gate if (strcmp(zone_name, z->zone_name) == 0) { 14707c478bd9Sstevel@tonic-gate unlinked = z; 14717c478bd9Sstevel@tonic-gate *prevnextp = z->zone_next; 14727c478bd9Sstevel@tonic-gate return (unlinked); 14737c478bd9Sstevel@tonic-gate } 14747c478bd9Sstevel@tonic-gate prevnextp = &(z->zone_next); 14757c478bd9Sstevel@tonic-gate } 14767c478bd9Sstevel@tonic-gate return (NULL); 14777c478bd9Sstevel@tonic-gate } 14787c478bd9Sstevel@tonic-gate 14797c478bd9Sstevel@tonic-gate /* 14807c478bd9Sstevel@tonic-gate * Delete all zones. Note that this should *only* be called in the exit 14817c478bd9Sstevel@tonic-gate * path of the daemon, as it does not take the zone_mutex-- this is because 14827c478bd9Sstevel@tonic-gate * we could wind up calling devfsadm_exit() with that zone_mutex_held. 14837c478bd9Sstevel@tonic-gate */ 14847c478bd9Sstevel@tonic-gate static void 14857c478bd9Sstevel@tonic-gate zlist_deleteall_unlocked(void) 14867c478bd9Sstevel@tonic-gate { 14877c478bd9Sstevel@tonic-gate struct zone_devinfo *tofree; 14887c478bd9Sstevel@tonic-gate 14897c478bd9Sstevel@tonic-gate while (zone_head != NULL) { 14907c478bd9Sstevel@tonic-gate tofree = zone_head; 14917c478bd9Sstevel@tonic-gate zone_head = zone_head->zone_next; 14927c478bd9Sstevel@tonic-gate delete_zone(tofree); 14937c478bd9Sstevel@tonic-gate } 14947c478bd9Sstevel@tonic-gate assert(zone_head == NULL); 14957c478bd9Sstevel@tonic-gate } 14967c478bd9Sstevel@tonic-gate 14977c478bd9Sstevel@tonic-gate static int 14987c478bd9Sstevel@tonic-gate zone_register(char *zone_name) 14997c478bd9Sstevel@tonic-gate { 15007c478bd9Sstevel@tonic-gate char door_file[MAXPATHLEN], zpath[MAXPATHLEN]; 15017c478bd9Sstevel@tonic-gate int fd; 15027c478bd9Sstevel@tonic-gate int need_unlink = 0, error = ZONE_SUCCESS, myerrno = 0; 15037c478bd9Sstevel@tonic-gate zone_dochandle_t hdl = NULL; 15047c478bd9Sstevel@tonic-gate void *dlhdl = NULL; 15057c478bd9Sstevel@tonic-gate struct zone_devinfo *newzone = NULL; 15067c478bd9Sstevel@tonic-gate 15077c478bd9Sstevel@tonic-gate assert(MUTEX_HELD(&zone_mutex)); 15087c478bd9Sstevel@tonic-gate 15097c478bd9Sstevel@tonic-gate if ((dlhdl = dlopen(LIBZONECFG_PATH, RTLD_LAZY)) == NULL) { 15107c478bd9Sstevel@tonic-gate error = ZONE_ERR_NOLIB; 15117c478bd9Sstevel@tonic-gate goto bad; 15127c478bd9Sstevel@tonic-gate } 15137c478bd9Sstevel@tonic-gate 15147c478bd9Sstevel@tonic-gate if (zone_get_zonepath(zone_name, zpath, sizeof (zpath)) != Z_OK) { 15157c478bd9Sstevel@tonic-gate error = ZONE_ERR_NOZONE; 15167c478bd9Sstevel@tonic-gate myerrno = errno; 15177c478bd9Sstevel@tonic-gate goto bad; 15187c478bd9Sstevel@tonic-gate } 15197c478bd9Sstevel@tonic-gate 15207c478bd9Sstevel@tonic-gate if (snprintf(door_file, sizeof (door_file), "%s/dev/%s", 15217c478bd9Sstevel@tonic-gate zpath, DEVFSADM_SYNCH_DOOR) >= sizeof (door_file)) { 15227c478bd9Sstevel@tonic-gate myerrno = ENAMETOOLONG; /* synthesize a reasonable errno */ 15237c478bd9Sstevel@tonic-gate error = ZONE_ERR_DOOR; 15247c478bd9Sstevel@tonic-gate goto bad; 15257c478bd9Sstevel@tonic-gate } 15267c478bd9Sstevel@tonic-gate 15277c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 15287c478bd9Sstevel@tonic-gate if ((fd = open(door_file, O_RDWR | O_CREAT, ZONE_DOOR_PERMS)) == -1) { 15297c478bd9Sstevel@tonic-gate myerrno = errno; 15307c478bd9Sstevel@tonic-gate error = ZONE_ERR_DOOR; 15317c478bd9Sstevel@tonic-gate goto bad; 15327c478bd9Sstevel@tonic-gate } 15337c478bd9Sstevel@tonic-gate need_unlink = 1; 15347c478bd9Sstevel@tonic-gate (void) close(fd); 15357c478bd9Sstevel@tonic-gate 15367c478bd9Sstevel@tonic-gate if (fattach(devlink_door_fd, door_file) == -1) { 15377c478bd9Sstevel@tonic-gate error = ZONE_ERR_DOOR; 15387c478bd9Sstevel@tonic-gate myerrno = errno; 15397c478bd9Sstevel@tonic-gate goto bad; 15407c478bd9Sstevel@tonic-gate } 15417c478bd9Sstevel@tonic-gate 15427c478bd9Sstevel@tonic-gate if ((hdl = zonecfg_init_handle()) == NULL) { 15437c478bd9Sstevel@tonic-gate error = ZONE_ERR_REPOSITORY; 15447c478bd9Sstevel@tonic-gate myerrno = errno; 15457c478bd9Sstevel@tonic-gate goto bad; 15467c478bd9Sstevel@tonic-gate } 15477c478bd9Sstevel@tonic-gate 15487c478bd9Sstevel@tonic-gate if ((zonecfg_get_snapshot_handle(zone_name, hdl)) != Z_OK) { 15497c478bd9Sstevel@tonic-gate error = ZONE_ERR_REPOSITORY; 15507c478bd9Sstevel@tonic-gate myerrno = errno; 15517c478bd9Sstevel@tonic-gate goto bad; 15527c478bd9Sstevel@tonic-gate } 15537c478bd9Sstevel@tonic-gate 15547c478bd9Sstevel@tonic-gate newzone = s_malloc(sizeof (struct zone_devinfo)); 15557c478bd9Sstevel@tonic-gate newzone->zone_path = s_strdup(zpath); 15567c478bd9Sstevel@tonic-gate newzone->zone_name = s_strdup(zone_name); 15577c478bd9Sstevel@tonic-gate newzone->zone_next = NULL; 15587c478bd9Sstevel@tonic-gate newzone->zone_dochdl = hdl; 15597c478bd9Sstevel@tonic-gate zlist_insert(newzone); 15607c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 15617c478bd9Sstevel@tonic-gate 15627c478bd9Sstevel@tonic-gate return (ZONE_SUCCESS); 15637c478bd9Sstevel@tonic-gate 15647c478bd9Sstevel@tonic-gate bad: 15657c478bd9Sstevel@tonic-gate (void) devfsadm_errprint("%s[%ld]: failed to register zone %s: %s", 15667c478bd9Sstevel@tonic-gate prog, getpid(), zone_name, strerror(myerrno)); 15677c478bd9Sstevel@tonic-gate 15687c478bd9Sstevel@tonic-gate assert(newzone == NULL); 15697c478bd9Sstevel@tonic-gate if (need_unlink) 15707c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 15717c478bd9Sstevel@tonic-gate if (hdl) 15727c478bd9Sstevel@tonic-gate zonecfg_fini_handle(hdl); 15737c478bd9Sstevel@tonic-gate if (dlhdl) 15747c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 15757c478bd9Sstevel@tonic-gate errno = myerrno; 15767c478bd9Sstevel@tonic-gate return (error); 15777c478bd9Sstevel@tonic-gate } 15787c478bd9Sstevel@tonic-gate 15797c478bd9Sstevel@tonic-gate static int 15807c478bd9Sstevel@tonic-gate zone_unregister(char *zone_name) 15817c478bd9Sstevel@tonic-gate { 15827c478bd9Sstevel@tonic-gate struct zone_devinfo *z; 15837c478bd9Sstevel@tonic-gate 15847c478bd9Sstevel@tonic-gate assert(MUTEX_HELD(&zone_mutex)); 15857c478bd9Sstevel@tonic-gate 15867c478bd9Sstevel@tonic-gate if ((z = zlist_remove(zone_name)) == NULL) 15877c478bd9Sstevel@tonic-gate return (ZONE_ERR_NOZONE); 15887c478bd9Sstevel@tonic-gate 15897c478bd9Sstevel@tonic-gate delete_zone(z); 15907c478bd9Sstevel@tonic-gate return (ZONE_SUCCESS); 15917c478bd9Sstevel@tonic-gate } 15927c478bd9Sstevel@tonic-gate 15937c478bd9Sstevel@tonic-gate /* 15947c478bd9Sstevel@tonic-gate * Called by the daemon when it receives a door call to the zone registration 15957c478bd9Sstevel@tonic-gate * door. 15967c478bd9Sstevel@tonic-gate */ 15977c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 15987c478bd9Sstevel@tonic-gate static void 15997c478bd9Sstevel@tonic-gate zone_reg_handler(void *cookie, char *ap, size_t asize, door_desc_t *dp, 16007c478bd9Sstevel@tonic-gate uint_t ndesc) 16017c478bd9Sstevel@tonic-gate { 16027c478bd9Sstevel@tonic-gate door_cred_t dcred; 16037c478bd9Sstevel@tonic-gate struct zreg *zregp, rzreg; 16047c478bd9Sstevel@tonic-gate 16057c478bd9Sstevel@tonic-gate /* 16067c478bd9Sstevel@tonic-gate * We coarsely lock the whole registration process. 16077c478bd9Sstevel@tonic-gate */ 16087c478bd9Sstevel@tonic-gate (void) mutex_lock(&zone_mutex); 16097c478bd9Sstevel@tonic-gate 16107c478bd9Sstevel@tonic-gate /* 16117c478bd9Sstevel@tonic-gate * Must be root to make this call 16127c478bd9Sstevel@tonic-gate * If caller is not root, don't touch its data. 16137c478bd9Sstevel@tonic-gate */ 16147c478bd9Sstevel@tonic-gate if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 16157c478bd9Sstevel@tonic-gate zregp = &rzreg; 16167c478bd9Sstevel@tonic-gate zregp->zreg_error = ZONE_ERR_REPOSITORY; 16177c478bd9Sstevel@tonic-gate zregp->zreg_errno = EPERM; 16187c478bd9Sstevel@tonic-gate goto out; 16197c478bd9Sstevel@tonic-gate } 16207c478bd9Sstevel@tonic-gate 16217c478bd9Sstevel@tonic-gate assert(ap); 16227c478bd9Sstevel@tonic-gate assert(asize == sizeof (*zregp)); 16237c478bd9Sstevel@tonic-gate 16247c478bd9Sstevel@tonic-gate zregp = (struct zreg *)(void *)ap; 16257c478bd9Sstevel@tonic-gate 16267c478bd9Sstevel@tonic-gate /* 16277c478bd9Sstevel@tonic-gate * Kernel must know about this zone; one way of discovering this 16287c478bd9Sstevel@tonic-gate * is by looking up the zone id. 16297c478bd9Sstevel@tonic-gate */ 16307c478bd9Sstevel@tonic-gate if (getzoneidbyname(zregp->zreg_zonename) == -1) { 16317c478bd9Sstevel@tonic-gate zregp->zreg_error = ZONE_ERR_REPOSITORY; 16327c478bd9Sstevel@tonic-gate zregp->zreg_errno = errno; 16337c478bd9Sstevel@tonic-gate goto out; 16347c478bd9Sstevel@tonic-gate } 16357c478bd9Sstevel@tonic-gate 16367c478bd9Sstevel@tonic-gate if (zregp->zreg_op == ZONE_REG) { 16377c478bd9Sstevel@tonic-gate zregp->zreg_error = zone_register(zregp->zreg_zonename); 16387c478bd9Sstevel@tonic-gate zregp->zreg_errno = errno; 16397c478bd9Sstevel@tonic-gate } else { 16407c478bd9Sstevel@tonic-gate zregp->zreg_error = zone_unregister(zregp->zreg_zonename); 16417c478bd9Sstevel@tonic-gate zregp->zreg_errno = errno; 16427c478bd9Sstevel@tonic-gate } 16437c478bd9Sstevel@tonic-gate 16447c478bd9Sstevel@tonic-gate out: 16457c478bd9Sstevel@tonic-gate (void) mutex_unlock(&zone_mutex); 16467c478bd9Sstevel@tonic-gate (void) door_return((char *)zregp, sizeof (*zregp), NULL, 0); 16477c478bd9Sstevel@tonic-gate } 16487c478bd9Sstevel@tonic-gate 16497c478bd9Sstevel@tonic-gate static int 16507c478bd9Sstevel@tonic-gate register_all_zones(void) 16517c478bd9Sstevel@tonic-gate { 16527c478bd9Sstevel@tonic-gate zoneid_t *zids = NULL; 16537c478bd9Sstevel@tonic-gate uint_t nzents, nzents_saved; 16547c478bd9Sstevel@tonic-gate int i; 16557c478bd9Sstevel@tonic-gate 16567c478bd9Sstevel@tonic-gate (void) mutex_lock(&zone_mutex); 16577c478bd9Sstevel@tonic-gate if (zone_list(NULL, &nzents) != 0) 16587c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 16597c478bd9Sstevel@tonic-gate 16607c478bd9Sstevel@tonic-gate again: 16617c478bd9Sstevel@tonic-gate assert(zids == NULL); 16627c478bd9Sstevel@tonic-gate assert(MUTEX_HELD(&zone_mutex)); 16637c478bd9Sstevel@tonic-gate if (nzents == 0) { 16647c478bd9Sstevel@tonic-gate (void) mutex_unlock(&zone_mutex); 16657c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 16667c478bd9Sstevel@tonic-gate } 16677c478bd9Sstevel@tonic-gate zids = s_zalloc(nzents * sizeof (zoneid_t)); 16687c478bd9Sstevel@tonic-gate nzents_saved = nzents; 16697c478bd9Sstevel@tonic-gate if (zone_list(zids, &nzents) != 0) { 16707c478bd9Sstevel@tonic-gate (void) mutex_unlock(&zone_mutex); 16717c478bd9Sstevel@tonic-gate free(zids); 16727c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 16737c478bd9Sstevel@tonic-gate } 16747c478bd9Sstevel@tonic-gate if (nzents != nzents_saved) { 16757c478bd9Sstevel@tonic-gate /* list changed, try again */ 16767c478bd9Sstevel@tonic-gate free(zids); 16777c478bd9Sstevel@tonic-gate zids = NULL; 16787c478bd9Sstevel@tonic-gate goto again; 16797c478bd9Sstevel@tonic-gate } 16807c478bd9Sstevel@tonic-gate 16817c478bd9Sstevel@tonic-gate assert(zids != NULL); 16827c478bd9Sstevel@tonic-gate for (i = 0; i < nzents; i++) { 16837c478bd9Sstevel@tonic-gate char name[ZONENAME_MAX]; 16847c478bd9Sstevel@tonic-gate 16857c478bd9Sstevel@tonic-gate if (zids[i] == GLOBAL_ZONEID) 16867c478bd9Sstevel@tonic-gate continue; 16877c478bd9Sstevel@tonic-gate if (getzonenamebyid(zids[i], name, sizeof (name)) >= 0) 16887c478bd9Sstevel@tonic-gate (void) zone_register(name); 16897c478bd9Sstevel@tonic-gate } 16907c478bd9Sstevel@tonic-gate 16917c478bd9Sstevel@tonic-gate (void) mutex_unlock(&zone_mutex); 16927c478bd9Sstevel@tonic-gate free(zids); 16937c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 16947c478bd9Sstevel@tonic-gate } 16957c478bd9Sstevel@tonic-gate 16967c478bd9Sstevel@tonic-gate /* 16977c478bd9Sstevel@tonic-gate * Check that if -r is set, it is not any part of a zone--- that is, that 16987c478bd9Sstevel@tonic-gate * the zonepath is not a substring of the root path. 16997c478bd9Sstevel@tonic-gate */ 17007c478bd9Sstevel@tonic-gate static int 17017c478bd9Sstevel@tonic-gate zone_pathcheck(char *checkpath) 17027c478bd9Sstevel@tonic-gate { 17037c478bd9Sstevel@tonic-gate void *dlhdl = NULL; 17047c478bd9Sstevel@tonic-gate char *name; 17057c478bd9Sstevel@tonic-gate char root[MAXPATHLEN]; /* resolved devfsadm root path */ 17067c478bd9Sstevel@tonic-gate char zroot[MAXPATHLEN]; /* zone root path */ 17077c478bd9Sstevel@tonic-gate char rzroot[MAXPATHLEN]; /* resolved zone root path */ 17087c478bd9Sstevel@tonic-gate char tmp[MAXPATHLEN]; 17097c478bd9Sstevel@tonic-gate FILE *cookie; 17107c478bd9Sstevel@tonic-gate int err = DEVFSADM_SUCCESS; 17117c478bd9Sstevel@tonic-gate 17127c478bd9Sstevel@tonic-gate if (checkpath[0] == '\0') 17137c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 17147c478bd9Sstevel@tonic-gate 17157c478bd9Sstevel@tonic-gate /* 17167c478bd9Sstevel@tonic-gate * Check if zones is available on this system. 17177c478bd9Sstevel@tonic-gate */ 17187c478bd9Sstevel@tonic-gate if ((dlhdl = dlopen(LIBZONECFG_PATH, RTLD_LAZY)) == NULL) { 17197c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 17207c478bd9Sstevel@tonic-gate } 17217c478bd9Sstevel@tonic-gate 17227c478bd9Sstevel@tonic-gate bzero(root, sizeof (root)); 17237c478bd9Sstevel@tonic-gate if (resolvepath(checkpath, root, sizeof (root) - 1) == -1) { 17247c478bd9Sstevel@tonic-gate /* 17257c478bd9Sstevel@tonic-gate * In this case the user has done 'devfsadm -r' on some path 17267c478bd9Sstevel@tonic-gate * which does not yet exist, or we got some other misc. error. 17277c478bd9Sstevel@tonic-gate * We punt and don't resolve the path in this case. 17287c478bd9Sstevel@tonic-gate */ 17297c478bd9Sstevel@tonic-gate (void) strlcpy(root, checkpath, sizeof (root)); 17307c478bd9Sstevel@tonic-gate } 17317c478bd9Sstevel@tonic-gate 17327c478bd9Sstevel@tonic-gate if (strlen(root) > 0 && (root[strlen(root) - 1] != '/')) { 17337c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", root); 17347c478bd9Sstevel@tonic-gate (void) strlcpy(root, tmp, sizeof (root)); 17357c478bd9Sstevel@tonic-gate } 17367c478bd9Sstevel@tonic-gate 17377c478bd9Sstevel@tonic-gate cookie = setzoneent(); 17387c478bd9Sstevel@tonic-gate while ((name = getzoneent(cookie)) != NULL) { 17397c478bd9Sstevel@tonic-gate /* Skip the global zone */ 17407c478bd9Sstevel@tonic-gate if (strcmp(name, GLOBAL_ZONENAME) == 0) { 17417c478bd9Sstevel@tonic-gate free(name); 17427c478bd9Sstevel@tonic-gate continue; 17437c478bd9Sstevel@tonic-gate } 17447c478bd9Sstevel@tonic-gate 17457c478bd9Sstevel@tonic-gate if (zone_get_zonepath(name, zroot, sizeof (zroot)) != Z_OK) { 17467c478bd9Sstevel@tonic-gate free(name); 17477c478bd9Sstevel@tonic-gate continue; 17487c478bd9Sstevel@tonic-gate } 17497c478bd9Sstevel@tonic-gate 17507c478bd9Sstevel@tonic-gate bzero(rzroot, sizeof (rzroot)); 17517c478bd9Sstevel@tonic-gate if (resolvepath(zroot, rzroot, sizeof (rzroot) - 1) == -1) { 17527c478bd9Sstevel@tonic-gate /* 17537c478bd9Sstevel@tonic-gate * Zone path doesn't exist, or other misc error, 17547c478bd9Sstevel@tonic-gate * so we try using the non-resolved pathname. 17557c478bd9Sstevel@tonic-gate */ 17567c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, zroot, sizeof (rzroot)); 17577c478bd9Sstevel@tonic-gate } 17587c478bd9Sstevel@tonic-gate if (strlen(rzroot) > 0 && (rzroot[strlen(rzroot) - 1] != '/')) { 17597c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", rzroot); 17607c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, tmp, sizeof (rzroot)); 17617c478bd9Sstevel@tonic-gate } 17627c478bd9Sstevel@tonic-gate 17637c478bd9Sstevel@tonic-gate /* 17647c478bd9Sstevel@tonic-gate * Finally, the comparison. If the zone root path is a 17657c478bd9Sstevel@tonic-gate * leading substring of the root path, fail. 17667c478bd9Sstevel@tonic-gate */ 17677c478bd9Sstevel@tonic-gate if (strncmp(rzroot, root, strlen(rzroot)) == 0) { 17687c478bd9Sstevel@tonic-gate err_print(ZONE_PATHCHECK, root, name); 17697c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 17707c478bd9Sstevel@tonic-gate free(name); 17717c478bd9Sstevel@tonic-gate break; 17727c478bd9Sstevel@tonic-gate } 17737c478bd9Sstevel@tonic-gate free(name); 17747c478bd9Sstevel@tonic-gate } 17757c478bd9Sstevel@tonic-gate endzoneent(cookie); 17767c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 17777c478bd9Sstevel@tonic-gate return (err); 17787c478bd9Sstevel@tonic-gate } 17797c478bd9Sstevel@tonic-gate 17807c478bd9Sstevel@tonic-gate /* 17817c478bd9Sstevel@tonic-gate * Called by the daemon when it receives an event from the devfsadm SLM 17827c478bd9Sstevel@tonic-gate * to syseventd. 17837c478bd9Sstevel@tonic-gate * 17847c478bd9Sstevel@tonic-gate * The devfsadm SLM uses a private event channel for communication to 17857c478bd9Sstevel@tonic-gate * devfsadmd set-up via private libsysevent interfaces. This handler is 17867c478bd9Sstevel@tonic-gate * used to bind to the devfsadmd channel for event delivery. 17877c478bd9Sstevel@tonic-gate * The devfsadmd SLM insures single calls to this routine as well as 17887c478bd9Sstevel@tonic-gate * synchronized event delivery. 17897c478bd9Sstevel@tonic-gate * 17907c478bd9Sstevel@tonic-gate */ 17917c478bd9Sstevel@tonic-gate static void 17927c478bd9Sstevel@tonic-gate event_handler(sysevent_t *ev) 17937c478bd9Sstevel@tonic-gate { 17947c478bd9Sstevel@tonic-gate char *path; 17957c478bd9Sstevel@tonic-gate char *minor; 17967c478bd9Sstevel@tonic-gate char *subclass; 17977c478bd9Sstevel@tonic-gate char *dev_ev_subclass; 17987c478bd9Sstevel@tonic-gate char *driver_name; 17997c478bd9Sstevel@tonic-gate nvlist_t *attr_list = NULL; 18007c478bd9Sstevel@tonic-gate int err = 0; 18017c478bd9Sstevel@tonic-gate int instance; 18027c478bd9Sstevel@tonic-gate int branch_event = 0; 18037c478bd9Sstevel@tonic-gate 18047c478bd9Sstevel@tonic-gate subclass = sysevent_get_subclass_name(ev); 18057c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: %s id:0X%llx\n", 18067c478bd9Sstevel@tonic-gate subclass, sysevent_get_seq(ev)); 18077c478bd9Sstevel@tonic-gate 18087c478bd9Sstevel@tonic-gate /* Check if event is an instance modification */ 18097c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_INSTANCE_MOD) == 0) { 18107c478bd9Sstevel@tonic-gate devfs_instance_mod(); 18117c478bd9Sstevel@tonic-gate return; 18127c478bd9Sstevel@tonic-gate } 18137c478bd9Sstevel@tonic-gate if (sysevent_get_attr_list(ev, &attr_list) != 0) { 18147c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: can not get attr list\n"); 18157c478bd9Sstevel@tonic-gate return; 18167c478bd9Sstevel@tonic-gate } 18177c478bd9Sstevel@tonic-gate 18187c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_DEVI_ADD) == 0 || 18197c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_DEVI_REMOVE) == 0 || 18207c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_CREATE) == 0 || 18217c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_REMOVE) == 0) { 18227c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, DEVFS_PATHNAME, 18237c478bd9Sstevel@tonic-gate &path)) != 0) 18247c478bd9Sstevel@tonic-gate goto out; 18257c478bd9Sstevel@tonic-gate 18267c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_DEVI_ADD) == 0 || 18277c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_DEVI_REMOVE) == 0) { 18287c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_DEVI_CLASS, 18297c478bd9Sstevel@tonic-gate &dev_ev_subclass) != 0) 18307c478bd9Sstevel@tonic-gate dev_ev_subclass = NULL; 18317c478bd9Sstevel@tonic-gate 18327c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_DRIVER_NAME, 18337c478bd9Sstevel@tonic-gate &driver_name) != 0) 18347c478bd9Sstevel@tonic-gate driver_name = NULL; 18357c478bd9Sstevel@tonic-gate 18367c478bd9Sstevel@tonic-gate if (nvlist_lookup_int32(attr_list, DEVFS_INSTANCE, 18377c478bd9Sstevel@tonic-gate &instance) != 0) 18387c478bd9Sstevel@tonic-gate instance = -1; 18397c478bd9Sstevel@tonic-gate 18407c478bd9Sstevel@tonic-gate if (nvlist_lookup_int32(attr_list, DEVFS_BRANCH_EVENT, 18417c478bd9Sstevel@tonic-gate &branch_event) != 0) 18427c478bd9Sstevel@tonic-gate branch_event = 0; 18437c478bd9Sstevel@tonic-gate 18447c478bd9Sstevel@tonic-gate } else { 18457c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_MINOR_NAME, 18467c478bd9Sstevel@tonic-gate &minor) != 0) 18477c478bd9Sstevel@tonic-gate minor = NULL; 18487c478bd9Sstevel@tonic-gate } 18497c478bd9Sstevel@tonic-gate 18507c478bd9Sstevel@tonic-gate lock_dev(); 18517c478bd9Sstevel@tonic-gate 18527c478bd9Sstevel@tonic-gate if (strcmp(ESC_DEVFS_DEVI_ADD, subclass) == 0) { 18537c478bd9Sstevel@tonic-gate add_minor_pathname(path, NULL, dev_ev_subclass); 18547c478bd9Sstevel@tonic-gate if (branch_event) { 18557c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, 18567c478bd9Sstevel@tonic-gate ESC_DEV_BRANCH_ADD, path, DI_NODE_NIL); 18577c478bd9Sstevel@tonic-gate } 18587c478bd9Sstevel@tonic-gate 18597c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_CREATE, subclass) == 0) { 18607c478bd9Sstevel@tonic-gate add_minor_pathname(path, minor, NULL); 18617c478bd9Sstevel@tonic-gate 18627c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_REMOVE, subclass) == 0) { 18637c478bd9Sstevel@tonic-gate hot_cleanup(path, minor, NULL, NULL, -1); 18647c478bd9Sstevel@tonic-gate 18657c478bd9Sstevel@tonic-gate } else { /* ESC_DEVFS_DEVI_REMOVE */ 18667c478bd9Sstevel@tonic-gate hot_cleanup(path, NULL, dev_ev_subclass, 18677c478bd9Sstevel@tonic-gate driver_name, instance); 18687c478bd9Sstevel@tonic-gate if (branch_event) { 18697c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, 18707c478bd9Sstevel@tonic-gate ESC_DEV_BRANCH_REMOVE, path, DI_NODE_NIL); 18717c478bd9Sstevel@tonic-gate } 18727c478bd9Sstevel@tonic-gate } 18737c478bd9Sstevel@tonic-gate 18747c478bd9Sstevel@tonic-gate unlock_dev(CACHE_STATE); 18757c478bd9Sstevel@tonic-gate startup_cache_sync_thread(); 18767c478bd9Sstevel@tonic-gate 18777c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0 || 18787c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_BRANCH_REMOVE) == 0) { 18797c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, 18807c478bd9Sstevel@tonic-gate DEVFS_PATHNAME, &path)) != 0) 18817c478bd9Sstevel@tonic-gate goto out; 18827c478bd9Sstevel@tonic-gate 18837c478bd9Sstevel@tonic-gate /* just log ESC_DEV_BRANCH... event */ 18847c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0) 18857c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_ADD; 18867c478bd9Sstevel@tonic-gate else 18877c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_REMOVE; 18887c478bd9Sstevel@tonic-gate 1889d2596142Scth lock_dev(); 18907c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, dev_ev_subclass, path, 18917c478bd9Sstevel@tonic-gate DI_NODE_NIL); 1892d2596142Scth unlock_dev(CACHE_STATE); 1893d2596142Scth startup_cache_sync_thread(); 18947c478bd9Sstevel@tonic-gate 18957c478bd9Sstevel@tonic-gate } else 18967c478bd9Sstevel@tonic-gate err_print(UNKNOWN_EVENT, subclass); 18977c478bd9Sstevel@tonic-gate 18987c478bd9Sstevel@tonic-gate out: 18997c478bd9Sstevel@tonic-gate if (err) 19007c478bd9Sstevel@tonic-gate err_print(EVENT_ATTR_LOOKUP_FAILED, strerror(err)); 19017c478bd9Sstevel@tonic-gate nvlist_free(attr_list); 19027c478bd9Sstevel@tonic-gate } 19037c478bd9Sstevel@tonic-gate 19047c478bd9Sstevel@tonic-gate static void 19057c478bd9Sstevel@tonic-gate dca_impl_init(char *root, char *minor, struct dca_impl *dcip) 19067c478bd9Sstevel@tonic-gate { 19077c478bd9Sstevel@tonic-gate assert(root); 19087c478bd9Sstevel@tonic-gate 19097c478bd9Sstevel@tonic-gate dcip->dci_root = root; 19107c478bd9Sstevel@tonic-gate dcip->dci_minor = minor; 19117c478bd9Sstevel@tonic-gate dcip->dci_driver = NULL; 19127c478bd9Sstevel@tonic-gate dcip->dci_error = 0; 19137c478bd9Sstevel@tonic-gate dcip->dci_flags = 0; 19147c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 19157c478bd9Sstevel@tonic-gate } 19167c478bd9Sstevel@tonic-gate 19177c478bd9Sstevel@tonic-gate /* 19187c478bd9Sstevel@tonic-gate * Kernel logs a message when a devinfo node is attached. Try to create 19197c478bd9Sstevel@tonic-gate * /dev and /devices for each minor node. minorname can be NULL. 19207c478bd9Sstevel@tonic-gate */ 19217c478bd9Sstevel@tonic-gate void 19227c478bd9Sstevel@tonic-gate add_minor_pathname(char *node, char *minor, char *ev_subclass) 19237c478bd9Sstevel@tonic-gate { 19247c478bd9Sstevel@tonic-gate struct dca_impl dci; 19257c478bd9Sstevel@tonic-gate 19267c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "add_minor_pathname: node_path=%s minor=%s\n", 19277c478bd9Sstevel@tonic-gate node, minor ? minor : "NULL"); 19287c478bd9Sstevel@tonic-gate 19297c478bd9Sstevel@tonic-gate dca_impl_init(node, minor, &dci); 19307c478bd9Sstevel@tonic-gate 19317c478bd9Sstevel@tonic-gate /* 19327c478bd9Sstevel@tonic-gate * Restrict hotplug link creation if daemon 19337c478bd9Sstevel@tonic-gate * started with -i option. 19347c478bd9Sstevel@tonic-gate */ 19357c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 19367c478bd9Sstevel@tonic-gate dci.dci_driver = driver; 19377c478bd9Sstevel@tonic-gate } 19387c478bd9Sstevel@tonic-gate 19397c478bd9Sstevel@tonic-gate /* 19407c478bd9Sstevel@tonic-gate * We are being invoked in response to a hotplug 19417c478bd9Sstevel@tonic-gate * event. Also, notify RCM if nodetype indicates 19427c478bd9Sstevel@tonic-gate * a network device has been hotplugged. 19437c478bd9Sstevel@tonic-gate */ 19447c478bd9Sstevel@tonic-gate dci.dci_flags = DCA_HOT_PLUG | DCA_CHECK_TYPE; 19457c478bd9Sstevel@tonic-gate 19467c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOPROP|DINFOMINOR, ev_subclass); 19477c478bd9Sstevel@tonic-gate } 19487c478bd9Sstevel@tonic-gate 19497c478bd9Sstevel@tonic-gate static di_node_t 19507c478bd9Sstevel@tonic-gate find_clone_node() 19517c478bd9Sstevel@tonic-gate { 19527c478bd9Sstevel@tonic-gate static di_node_t clone_node = DI_NODE_NIL; 19537c478bd9Sstevel@tonic-gate 19547c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) 19557c478bd9Sstevel@tonic-gate clone_node = di_init("/pseudo/clone@0", DINFOPROP); 19567c478bd9Sstevel@tonic-gate return (clone_node); 19577c478bd9Sstevel@tonic-gate } 19587c478bd9Sstevel@tonic-gate 19597c478bd9Sstevel@tonic-gate static int 19607c478bd9Sstevel@tonic-gate is_descendent_of(di_node_t node, char *driver) 19617c478bd9Sstevel@tonic-gate { 19627c478bd9Sstevel@tonic-gate while (node != DI_NODE_NIL) { 19637c478bd9Sstevel@tonic-gate char *drv = di_driver_name(node); 19647c478bd9Sstevel@tonic-gate if (strcmp(drv, driver) == 0) 19657c478bd9Sstevel@tonic-gate return (1); 19667c478bd9Sstevel@tonic-gate node = di_parent_node(node); 19677c478bd9Sstevel@tonic-gate } 19687c478bd9Sstevel@tonic-gate return (0); 19697c478bd9Sstevel@tonic-gate } 19707c478bd9Sstevel@tonic-gate 19717c478bd9Sstevel@tonic-gate /* 19727c478bd9Sstevel@tonic-gate * Checks the minor type. If it is an alias node, then lookup 19737c478bd9Sstevel@tonic-gate * the real node/minor first, then call minor_process() to 19747c478bd9Sstevel@tonic-gate * do the real work. 19757c478bd9Sstevel@tonic-gate */ 19767c478bd9Sstevel@tonic-gate static int 19777c478bd9Sstevel@tonic-gate check_minor_type(di_node_t node, di_minor_t minor, void *arg) 19787c478bd9Sstevel@tonic-gate { 19797c478bd9Sstevel@tonic-gate ddi_minor_type minor_type; 19807c478bd9Sstevel@tonic-gate di_node_t clone_node; 19817c478bd9Sstevel@tonic-gate char *mn; 19827c478bd9Sstevel@tonic-gate char *nt; 19837c478bd9Sstevel@tonic-gate struct mlist *dep; 19847c478bd9Sstevel@tonic-gate struct dca_impl *dcip = arg; 19857c478bd9Sstevel@tonic-gate 19867c478bd9Sstevel@tonic-gate assert(dcip); 19877c478bd9Sstevel@tonic-gate 19887c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 19897c478bd9Sstevel@tonic-gate 19907c478bd9Sstevel@tonic-gate mn = di_minor_name(minor); 19917c478bd9Sstevel@tonic-gate 19927c478bd9Sstevel@tonic-gate /* 19937c478bd9Sstevel@tonic-gate * We match driver here instead of in minor_process 19947c478bd9Sstevel@tonic-gate * as we want the actual driver name. This check is 19957c478bd9Sstevel@tonic-gate * unnecessary during deferred processing. 19967c478bd9Sstevel@tonic-gate */ 19977c478bd9Sstevel@tonic-gate if (dep && 19987c478bd9Sstevel@tonic-gate ((dcip->dci_driver && !is_descendent_of(node, dcip->dci_driver)) || 19997c478bd9Sstevel@tonic-gate (dcip->dci_minor && strcmp(mn, dcip->dci_minor)))) { 20007c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 20017c478bd9Sstevel@tonic-gate } 20027c478bd9Sstevel@tonic-gate 20037c478bd9Sstevel@tonic-gate if ((dcip->dci_flags & DCA_CHECK_TYPE) && 20047c478bd9Sstevel@tonic-gate (nt = di_minor_nodetype(minor)) && 2005210db224Sericheng (strcmp(nt, DDI_NT_NET) == 0)) { 20067c478bd9Sstevel@tonic-gate dcip->dci_flags |= DCA_NOTIFY_RCM; 20077c478bd9Sstevel@tonic-gate dcip->dci_flags &= ~DCA_CHECK_TYPE; 20087c478bd9Sstevel@tonic-gate } 20097c478bd9Sstevel@tonic-gate 20107c478bd9Sstevel@tonic-gate minor_type = di_minor_type(minor); 20117c478bd9Sstevel@tonic-gate 20127c478bd9Sstevel@tonic-gate if (minor_type == DDM_MINOR) { 20137c478bd9Sstevel@tonic-gate minor_process(node, minor, dep); 20147c478bd9Sstevel@tonic-gate 20157c478bd9Sstevel@tonic-gate } else if (minor_type == DDM_ALIAS) { 20167c478bd9Sstevel@tonic-gate struct mlist *cdep, clone_del = {0}; 20177c478bd9Sstevel@tonic-gate 20187c478bd9Sstevel@tonic-gate clone_node = find_clone_node(); 20197c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) { 20207c478bd9Sstevel@tonic-gate err_print(DI_INIT_FAILED, "clone", strerror(errno)); 20217c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 20227c478bd9Sstevel@tonic-gate } 20237c478bd9Sstevel@tonic-gate 20247c478bd9Sstevel@tonic-gate cdep = dep ? &clone_del : NULL; 20257c478bd9Sstevel@tonic-gate 20267c478bd9Sstevel@tonic-gate minor_process(clone_node, minor, cdep); 20277c478bd9Sstevel@tonic-gate 20287c478bd9Sstevel@tonic-gate /* 20297c478bd9Sstevel@tonic-gate * cache "alias" minor node and free "clone" minor 20307c478bd9Sstevel@tonic-gate */ 20317c478bd9Sstevel@tonic-gate if (cdep != NULL && cdep->head != NULL) { 20327c478bd9Sstevel@tonic-gate assert(cdep->tail != NULL); 20337c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 20347c478bd9Sstevel@tonic-gate dcip->dci_arg = cdep; 20357c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_FREE_LIST); 20367c478bd9Sstevel@tonic-gate dcip->dci_arg = dep; 20377c478bd9Sstevel@tonic-gate } 20387c478bd9Sstevel@tonic-gate } 20397c478bd9Sstevel@tonic-gate 20407c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 20417c478bd9Sstevel@tonic-gate } 20427c478bd9Sstevel@tonic-gate 20437c478bd9Sstevel@tonic-gate 20447c478bd9Sstevel@tonic-gate /* 20457c478bd9Sstevel@tonic-gate * This is the entry point for each minor node, whether walking 20467c478bd9Sstevel@tonic-gate * the entire tree via di_walk_minor() or processing a hotplug event 20477c478bd9Sstevel@tonic-gate * for a single devinfo node (via hotplug ndi_devi_online()). 20487c478bd9Sstevel@tonic-gate */ 20497c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 20507c478bd9Sstevel@tonic-gate static void 20517c478bd9Sstevel@tonic-gate minor_process(di_node_t node, di_minor_t minor, struct mlist *dep) 20527c478bd9Sstevel@tonic-gate { 20537c478bd9Sstevel@tonic-gate create_list_t *create; 20547c478bd9Sstevel@tonic-gate int defer; 20557c478bd9Sstevel@tonic-gate 20567c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: node=%s, minor=%s\n", 20577c478bd9Sstevel@tonic-gate di_node_name(node), di_minor_name(minor)); 20587c478bd9Sstevel@tonic-gate 20597c478bd9Sstevel@tonic-gate if (dep != NULL) { 20607c478bd9Sstevel@tonic-gate 20617c478bd9Sstevel@tonic-gate /* 20627c478bd9Sstevel@tonic-gate * Reset /devices node to minor_perm perm/ownership 20637c478bd9Sstevel@tonic-gate * if we are here to deactivate device allocation 20647c478bd9Sstevel@tonic-gate */ 20657c478bd9Sstevel@tonic-gate if (build_devices == TRUE) { 20667c478bd9Sstevel@tonic-gate reset_node_permissions(node, minor); 20677c478bd9Sstevel@tonic-gate } 20687c478bd9Sstevel@tonic-gate 20697c478bd9Sstevel@tonic-gate if (build_dev == FALSE) { 20707c478bd9Sstevel@tonic-gate return; 20717c478bd9Sstevel@tonic-gate } 20727c478bd9Sstevel@tonic-gate 20737c478bd9Sstevel@tonic-gate /* 20747c478bd9Sstevel@tonic-gate * This function will create any nodes for /etc/devlink.tab. 20757c478bd9Sstevel@tonic-gate * If devlink.tab handles link creation, we don't call any 20767c478bd9Sstevel@tonic-gate * devfsadm modules since that could cause duplicate caching 20777c478bd9Sstevel@tonic-gate * in the enumerate functions if different re strings are 20787c478bd9Sstevel@tonic-gate * passed that are logically identical. I'm still not 20797c478bd9Sstevel@tonic-gate * convinced this would cause any harm, but better to be safe. 20807c478bd9Sstevel@tonic-gate * 20817c478bd9Sstevel@tonic-gate * Deferred processing is available only for devlinks 20827c478bd9Sstevel@tonic-gate * created through devfsadm modules. 20837c478bd9Sstevel@tonic-gate */ 20847c478bd9Sstevel@tonic-gate if (process_devlink_compat(minor, node) == TRUE) { 20857c478bd9Sstevel@tonic-gate return; 20867c478bd9Sstevel@tonic-gate } 20877c478bd9Sstevel@tonic-gate } else { 20887c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: deferred processing\n"); 20897c478bd9Sstevel@tonic-gate } 20907c478bd9Sstevel@tonic-gate 20917c478bd9Sstevel@tonic-gate /* 20927c478bd9Sstevel@tonic-gate * look for relevant link create rules in the modules, and 20937c478bd9Sstevel@tonic-gate * invoke the link create callback function to build a link 20947c478bd9Sstevel@tonic-gate * if there is a match. 20957c478bd9Sstevel@tonic-gate */ 20967c478bd9Sstevel@tonic-gate defer = 0; 20977c478bd9Sstevel@tonic-gate for (create = create_head; create != NULL; create = create->next) { 20987c478bd9Sstevel@tonic-gate if ((minor_matches_rule(node, minor, create) == TRUE) && 20997c478bd9Sstevel@tonic-gate class_ok(create->create->device_class) == 21007c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) { 21017c478bd9Sstevel@tonic-gate if (call_minor_init(create->modptr) == 21027c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 21037c478bd9Sstevel@tonic-gate continue; 21047c478bd9Sstevel@tonic-gate } 21057c478bd9Sstevel@tonic-gate 21067c478bd9Sstevel@tonic-gate /* 21077c478bd9Sstevel@tonic-gate * If NOT doing the deferred creates (i.e. 1st pass) and 21087c478bd9Sstevel@tonic-gate * rule requests deferred processing cache the minor 21097c478bd9Sstevel@tonic-gate * data. 21107c478bd9Sstevel@tonic-gate * 21117c478bd9Sstevel@tonic-gate * If deferred processing (2nd pass), create links 21127c478bd9Sstevel@tonic-gate * ONLY if rule requests deferred processing. 21137c478bd9Sstevel@tonic-gate */ 21147c478bd9Sstevel@tonic-gate if (dep && ((create->create->flags & CREATE_MASK) == 21157c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 21167c478bd9Sstevel@tonic-gate defer = 1; 21177c478bd9Sstevel@tonic-gate continue; 21187c478bd9Sstevel@tonic-gate } else if (dep == NULL && 21197c478bd9Sstevel@tonic-gate ((create->create->flags & CREATE_MASK) != 21207c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 21217c478bd9Sstevel@tonic-gate continue; 21227c478bd9Sstevel@tonic-gate } 21237c478bd9Sstevel@tonic-gate 21247c478bd9Sstevel@tonic-gate if ((*(create->create->callback_fcn)) 21257c478bd9Sstevel@tonic-gate (minor, node) == DEVFSADM_TERMINATE) { 21267c478bd9Sstevel@tonic-gate break; 21277c478bd9Sstevel@tonic-gate } 21287c478bd9Sstevel@tonic-gate } 21297c478bd9Sstevel@tonic-gate } 21307c478bd9Sstevel@tonic-gate 21317c478bd9Sstevel@tonic-gate if (defer) 21327c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 21337c478bd9Sstevel@tonic-gate } 21347c478bd9Sstevel@tonic-gate 21357c478bd9Sstevel@tonic-gate 21367c478bd9Sstevel@tonic-gate /* 21377c478bd9Sstevel@tonic-gate * Cache node and minor in defer list. 21387c478bd9Sstevel@tonic-gate */ 21397c478bd9Sstevel@tonic-gate static void 21407c478bd9Sstevel@tonic-gate cache_deferred_minor( 21417c478bd9Sstevel@tonic-gate struct mlist *dep, 21427c478bd9Sstevel@tonic-gate di_node_t node, 21437c478bd9Sstevel@tonic-gate di_minor_t minor) 21447c478bd9Sstevel@tonic-gate { 21457c478bd9Sstevel@tonic-gate struct minor *mp; 21467c478bd9Sstevel@tonic-gate const char *fcn = "cache_deferred_minor"; 21477c478bd9Sstevel@tonic-gate 21487c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s node=%s, minor=%s\n", fcn, 21497c478bd9Sstevel@tonic-gate di_node_name(node), di_minor_name(minor)); 21507c478bd9Sstevel@tonic-gate 21517c478bd9Sstevel@tonic-gate if (dep == NULL) { 21527c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: cannot cache during " 21537c478bd9Sstevel@tonic-gate "deferred processing. Ignoring minor\n", fcn); 21547c478bd9Sstevel@tonic-gate return; 21557c478bd9Sstevel@tonic-gate } 21567c478bd9Sstevel@tonic-gate 21577c478bd9Sstevel@tonic-gate mp = (struct minor *)s_zalloc(sizeof (struct minor)); 21587c478bd9Sstevel@tonic-gate mp->node = node; 21597c478bd9Sstevel@tonic-gate mp->minor = minor; 21607c478bd9Sstevel@tonic-gate mp->next = NULL; 21617c478bd9Sstevel@tonic-gate 21627c478bd9Sstevel@tonic-gate assert(dep->head == NULL || dep->tail != NULL); 21637c478bd9Sstevel@tonic-gate if (dep->head == NULL) { 21647c478bd9Sstevel@tonic-gate dep->head = mp; 21657c478bd9Sstevel@tonic-gate } else { 21667c478bd9Sstevel@tonic-gate dep->tail->next = mp; 21677c478bd9Sstevel@tonic-gate } 21687c478bd9Sstevel@tonic-gate dep->tail = mp; 21697c478bd9Sstevel@tonic-gate } 21707c478bd9Sstevel@tonic-gate 21717c478bd9Sstevel@tonic-gate /* 21727c478bd9Sstevel@tonic-gate * Check to see if "create" link creation rule matches this node/minor. 21737c478bd9Sstevel@tonic-gate * If it does, return TRUE. 21747c478bd9Sstevel@tonic-gate */ 21757c478bd9Sstevel@tonic-gate static int 21767c478bd9Sstevel@tonic-gate minor_matches_rule(di_node_t node, di_minor_t minor, create_list_t *create) 21777c478bd9Sstevel@tonic-gate { 21787c478bd9Sstevel@tonic-gate char *m_nodetype, *m_drvname; 21797c478bd9Sstevel@tonic-gate 21807c478bd9Sstevel@tonic-gate if (create->create->node_type != NULL) { 21817c478bd9Sstevel@tonic-gate 21827c478bd9Sstevel@tonic-gate m_nodetype = di_minor_nodetype(minor); 21837c478bd9Sstevel@tonic-gate assert(m_nodetype != NULL); 21847c478bd9Sstevel@tonic-gate 21857c478bd9Sstevel@tonic-gate switch (create->create->flags & TYPE_MASK) { 21867c478bd9Sstevel@tonic-gate case TYPE_EXACT: 21877c478bd9Sstevel@tonic-gate if (strcmp(create->create->node_type, m_nodetype) != 21887c478bd9Sstevel@tonic-gate 0) { 21897c478bd9Sstevel@tonic-gate return (FALSE); 21907c478bd9Sstevel@tonic-gate } 21917c478bd9Sstevel@tonic-gate break; 21927c478bd9Sstevel@tonic-gate case TYPE_PARTIAL: 21937c478bd9Sstevel@tonic-gate if (strncmp(create->create->node_type, m_nodetype, 21947c478bd9Sstevel@tonic-gate strlen(create->create->node_type)) != 0) { 21957c478bd9Sstevel@tonic-gate return (FALSE); 21967c478bd9Sstevel@tonic-gate } 21977c478bd9Sstevel@tonic-gate break; 21987c478bd9Sstevel@tonic-gate case TYPE_RE: 21997c478bd9Sstevel@tonic-gate if (regexec(&(create->node_type_comp), m_nodetype, 22007c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 22017c478bd9Sstevel@tonic-gate return (FALSE); 22027c478bd9Sstevel@tonic-gate } 22037c478bd9Sstevel@tonic-gate break; 22047c478bd9Sstevel@tonic-gate } 22057c478bd9Sstevel@tonic-gate } 22067c478bd9Sstevel@tonic-gate 22077c478bd9Sstevel@tonic-gate if (create->create->drv_name != NULL) { 22087c478bd9Sstevel@tonic-gate m_drvname = di_driver_name(node); 22097c478bd9Sstevel@tonic-gate switch (create->create->flags & DRV_MASK) { 22107c478bd9Sstevel@tonic-gate case DRV_EXACT: 22117c478bd9Sstevel@tonic-gate if (strcmp(create->create->drv_name, m_drvname) != 0) { 22127c478bd9Sstevel@tonic-gate return (FALSE); 22137c478bd9Sstevel@tonic-gate } 22147c478bd9Sstevel@tonic-gate break; 22157c478bd9Sstevel@tonic-gate case DRV_RE: 22167c478bd9Sstevel@tonic-gate if (regexec(&(create->drv_name_comp), m_drvname, 22177c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 22187c478bd9Sstevel@tonic-gate return (FALSE); 22197c478bd9Sstevel@tonic-gate } 22207c478bd9Sstevel@tonic-gate break; 22217c478bd9Sstevel@tonic-gate } 22227c478bd9Sstevel@tonic-gate } 22237c478bd9Sstevel@tonic-gate 22247c478bd9Sstevel@tonic-gate return (TRUE); 22257c478bd9Sstevel@tonic-gate } 22267c478bd9Sstevel@tonic-gate 22277c478bd9Sstevel@tonic-gate /* 22287c478bd9Sstevel@tonic-gate * If no classes were given on the command line, then return DEVFSADM_SUCCESS. 22297c478bd9Sstevel@tonic-gate * Otherwise, return DEVFSADM_SUCCESS if the device "class" from the module 22307c478bd9Sstevel@tonic-gate * matches one of the device classes given on the command line, 22317c478bd9Sstevel@tonic-gate * otherwise, return DEVFSADM_FAILURE. 22327c478bd9Sstevel@tonic-gate */ 22337c478bd9Sstevel@tonic-gate static int 22347c478bd9Sstevel@tonic-gate class_ok(char *class) 22357c478bd9Sstevel@tonic-gate { 22367c478bd9Sstevel@tonic-gate int i; 22377c478bd9Sstevel@tonic-gate 22387c478bd9Sstevel@tonic-gate if (num_classes == 0) { 22397c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 22407c478bd9Sstevel@tonic-gate } 22417c478bd9Sstevel@tonic-gate 22427c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 22437c478bd9Sstevel@tonic-gate if (strcmp(class, classes[i]) == 0) { 22447c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 22457c478bd9Sstevel@tonic-gate } 22467c478bd9Sstevel@tonic-gate } 22477c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 22487c478bd9Sstevel@tonic-gate } 22497c478bd9Sstevel@tonic-gate 22507c478bd9Sstevel@tonic-gate /* 22517c478bd9Sstevel@tonic-gate * call minor_fini on active modules, then unload ALL modules 22527c478bd9Sstevel@tonic-gate */ 22537c478bd9Sstevel@tonic-gate static void 22547c478bd9Sstevel@tonic-gate unload_modules(void) 22557c478bd9Sstevel@tonic-gate { 22567c478bd9Sstevel@tonic-gate module_t *module_free; 22577c478bd9Sstevel@tonic-gate create_list_t *create_free; 22587c478bd9Sstevel@tonic-gate remove_list_t *remove_free; 22597c478bd9Sstevel@tonic-gate 22607c478bd9Sstevel@tonic-gate while (create_head != NULL) { 22617c478bd9Sstevel@tonic-gate create_free = create_head; 22627c478bd9Sstevel@tonic-gate create_head = create_head->next; 22637c478bd9Sstevel@tonic-gate 22647c478bd9Sstevel@tonic-gate if ((create_free->create->flags & TYPE_RE) == TYPE_RE) { 22657c478bd9Sstevel@tonic-gate regfree(&(create_free->node_type_comp)); 22667c478bd9Sstevel@tonic-gate } 22677c478bd9Sstevel@tonic-gate if ((create_free->create->flags & DRV_RE) == DRV_RE) { 22687c478bd9Sstevel@tonic-gate regfree(&(create_free->drv_name_comp)); 22697c478bd9Sstevel@tonic-gate } 22707c478bd9Sstevel@tonic-gate free(create_free); 22717c478bd9Sstevel@tonic-gate } 22727c478bd9Sstevel@tonic-gate 22737c478bd9Sstevel@tonic-gate while (remove_head != NULL) { 22747c478bd9Sstevel@tonic-gate remove_free = remove_head; 22757c478bd9Sstevel@tonic-gate remove_head = remove_head->next; 22767c478bd9Sstevel@tonic-gate free(remove_free); 22777c478bd9Sstevel@tonic-gate } 22787c478bd9Sstevel@tonic-gate 22797c478bd9Sstevel@tonic-gate while (module_head != NULL) { 22807c478bd9Sstevel@tonic-gate 22817c478bd9Sstevel@tonic-gate if ((module_head->minor_fini != NULL) && 22827c478bd9Sstevel@tonic-gate ((module_head->flags & MODULE_ACTIVE) == MODULE_ACTIVE)) { 22837c478bd9Sstevel@tonic-gate (void) (*(module_head->minor_fini))(); 22847c478bd9Sstevel@tonic-gate } 22857c478bd9Sstevel@tonic-gate 22867c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "unloading module %s\n", module_head->name); 22877c478bd9Sstevel@tonic-gate free(module_head->name); 22887c478bd9Sstevel@tonic-gate (void) dlclose(module_head->dlhandle); 22897c478bd9Sstevel@tonic-gate 22907c478bd9Sstevel@tonic-gate module_free = module_head; 22917c478bd9Sstevel@tonic-gate module_head = module_head->next; 22927c478bd9Sstevel@tonic-gate free(module_free); 22937c478bd9Sstevel@tonic-gate } 22947c478bd9Sstevel@tonic-gate } 22957c478bd9Sstevel@tonic-gate 22967c478bd9Sstevel@tonic-gate /* 22977c478bd9Sstevel@tonic-gate * Load devfsadm logical link processing modules. 22987c478bd9Sstevel@tonic-gate */ 22997c478bd9Sstevel@tonic-gate static void 23007c478bd9Sstevel@tonic-gate load_modules(void) 23017c478bd9Sstevel@tonic-gate { 23027c478bd9Sstevel@tonic-gate DIR *mod_dir; 23034bc0a2efScasper struct dirent *entp; 23047c478bd9Sstevel@tonic-gate char cdir[PATH_MAX + 1]; 23057c478bd9Sstevel@tonic-gate char *last; 23067c478bd9Sstevel@tonic-gate char *mdir = module_dirs; 23077c478bd9Sstevel@tonic-gate char *fcn = "load_modules: "; 23087c478bd9Sstevel@tonic-gate 23097c478bd9Sstevel@tonic-gate while (*mdir != '\0') { 23107c478bd9Sstevel@tonic-gate 23117c478bd9Sstevel@tonic-gate while (*mdir == ':') { 23127c478bd9Sstevel@tonic-gate mdir++; 23137c478bd9Sstevel@tonic-gate } 23147c478bd9Sstevel@tonic-gate 23157c478bd9Sstevel@tonic-gate if (*mdir == '\0') { 23167c478bd9Sstevel@tonic-gate continue; 23177c478bd9Sstevel@tonic-gate } 23187c478bd9Sstevel@tonic-gate 23197c478bd9Sstevel@tonic-gate last = strchr(mdir, ':'); 23207c478bd9Sstevel@tonic-gate 23217c478bd9Sstevel@tonic-gate if (last == NULL) { 23227c478bd9Sstevel@tonic-gate last = mdir + strlen(mdir); 23237c478bd9Sstevel@tonic-gate } 23247c478bd9Sstevel@tonic-gate 23257c478bd9Sstevel@tonic-gate (void) strncpy(cdir, mdir, last - mdir); 23267c478bd9Sstevel@tonic-gate cdir[last - mdir] = '\0'; 23277c478bd9Sstevel@tonic-gate mdir += strlen(cdir); 23287c478bd9Sstevel@tonic-gate 23297c478bd9Sstevel@tonic-gate if ((mod_dir = opendir(cdir)) == NULL) { 23307c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sopendir(%s): %s\n", 23317c478bd9Sstevel@tonic-gate fcn, cdir, strerror(errno)); 23327c478bd9Sstevel@tonic-gate continue; 23337c478bd9Sstevel@tonic-gate } 23347c478bd9Sstevel@tonic-gate 23354bc0a2efScasper while ((entp = readdir(mod_dir)) != NULL) { 23367c478bd9Sstevel@tonic-gate 23377c478bd9Sstevel@tonic-gate if ((strcmp(entp->d_name, ".") == 0) || 23387c478bd9Sstevel@tonic-gate (strcmp(entp->d_name, "..") == 0)) { 23397c478bd9Sstevel@tonic-gate continue; 23407c478bd9Sstevel@tonic-gate } 23417c478bd9Sstevel@tonic-gate 23427c478bd9Sstevel@tonic-gate load_module(entp->d_name, cdir); 23437c478bd9Sstevel@tonic-gate } 23447c478bd9Sstevel@tonic-gate s_closedir(mod_dir); 23457c478bd9Sstevel@tonic-gate } 23467c478bd9Sstevel@tonic-gate } 23477c478bd9Sstevel@tonic-gate 23487c478bd9Sstevel@tonic-gate static void 23497c478bd9Sstevel@tonic-gate load_module(char *mname, char *cdir) 23507c478bd9Sstevel@tonic-gate { 23517c478bd9Sstevel@tonic-gate _devfsadm_create_reg_t *create_reg; 23527c478bd9Sstevel@tonic-gate _devfsadm_remove_reg_t *remove_reg; 23537c478bd9Sstevel@tonic-gate create_list_t *create_list_element; 23547c478bd9Sstevel@tonic-gate create_list_t **create_list_next; 23557c478bd9Sstevel@tonic-gate remove_list_t *remove_list_element; 23567c478bd9Sstevel@tonic-gate remove_list_t **remove_list_next; 23577c478bd9Sstevel@tonic-gate char epath[PATH_MAX + 1], *end; 23587c478bd9Sstevel@tonic-gate char *fcn = "load_module: "; 23597c478bd9Sstevel@tonic-gate char *dlerrstr; 23607c478bd9Sstevel@tonic-gate void *dlhandle; 23617c478bd9Sstevel@tonic-gate module_t *module; 23627c478bd9Sstevel@tonic-gate int n; 23637c478bd9Sstevel@tonic-gate int i; 23647c478bd9Sstevel@tonic-gate 23657c478bd9Sstevel@tonic-gate /* ignore any file which does not end in '.so' */ 23667c478bd9Sstevel@tonic-gate if ((end = strstr(mname, MODULE_SUFFIX)) != NULL) { 23677c478bd9Sstevel@tonic-gate if (end[strlen(MODULE_SUFFIX)] != '\0') { 23687c478bd9Sstevel@tonic-gate return; 23697c478bd9Sstevel@tonic-gate } 23707c478bd9Sstevel@tonic-gate } else { 23717c478bd9Sstevel@tonic-gate return; 23727c478bd9Sstevel@tonic-gate } 23737c478bd9Sstevel@tonic-gate 23747c478bd9Sstevel@tonic-gate (void) snprintf(epath, sizeof (epath), "%s/%s", cdir, mname); 23757c478bd9Sstevel@tonic-gate 23767c478bd9Sstevel@tonic-gate if ((dlhandle = dlopen(epath, RTLD_LAZY)) == NULL) { 23777c478bd9Sstevel@tonic-gate dlerrstr = dlerror(); 23787c478bd9Sstevel@tonic-gate err_print(DLOPEN_FAILED, epath, 23797c478bd9Sstevel@tonic-gate dlerrstr ? dlerrstr : "unknown error"); 23807c478bd9Sstevel@tonic-gate return; 23817c478bd9Sstevel@tonic-gate } 23827c478bd9Sstevel@tonic-gate 23837c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_create_reg structure */ 23847c478bd9Sstevel@tonic-gate if (NULL == (create_reg = (_devfsadm_create_reg_t *) 23857c478bd9Sstevel@tonic-gate dlsym(dlhandle, _DEVFSADM_CREATE_REG))) { 23867c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): symbol not found\n", epath, 23877c478bd9Sstevel@tonic-gate _DEVFSADM_CREATE_REG); 23887c478bd9Sstevel@tonic-gate } else { 23897c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sdlsym(%s, %s) succeeded\n", 23907c478bd9Sstevel@tonic-gate fcn, epath, _DEVFSADM_CREATE_REG); 23917c478bd9Sstevel@tonic-gate } 23927c478bd9Sstevel@tonic-gate 23937c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_remove_reg structure */ 23947c478bd9Sstevel@tonic-gate if (NULL == (remove_reg = (_devfsadm_remove_reg_t *) 23957c478bd9Sstevel@tonic-gate dlsym(dlhandle, _DEVFSADM_REMOVE_REG))) { 23967c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s,\n\t%s): symbol not found\n", 23977c478bd9Sstevel@tonic-gate epath, _DEVFSADM_REMOVE_REG); 23987c478bd9Sstevel@tonic-gate } else { 23997c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): succeeded\n", 24007c478bd9Sstevel@tonic-gate epath, _DEVFSADM_REMOVE_REG); 24017c478bd9Sstevel@tonic-gate } 24027c478bd9Sstevel@tonic-gate 24037c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "module %s loaded\n", epath); 24047c478bd9Sstevel@tonic-gate 24057c478bd9Sstevel@tonic-gate module = (module_t *)s_malloc(sizeof (module_t)); 24067c478bd9Sstevel@tonic-gate module->name = s_strdup(epath); 24077c478bd9Sstevel@tonic-gate module->dlhandle = dlhandle; 24087c478bd9Sstevel@tonic-gate 24097c478bd9Sstevel@tonic-gate /* dlsym other module functions, to be called later */ 24107c478bd9Sstevel@tonic-gate module->minor_fini = (int (*)())dlsym(dlhandle, MINOR_FINI); 24117c478bd9Sstevel@tonic-gate module->minor_init = (int (*)())dlsym(dlhandle, MINOR_INIT); 24127c478bd9Sstevel@tonic-gate module->flags = 0; 24137c478bd9Sstevel@tonic-gate 24147c478bd9Sstevel@tonic-gate /* 24157c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_create on "create_head" 24167c478bd9Sstevel@tonic-gate * list sorted in interpose_lvl. 24177c478bd9Sstevel@tonic-gate */ 24187c478bd9Sstevel@tonic-gate if (create_reg != NULL) { 24197c478bd9Sstevel@tonic-gate for (i = 0; i < create_reg->count; i++) { 24207c478bd9Sstevel@tonic-gate int flags = create_reg->tblp[i].flags; 24217c478bd9Sstevel@tonic-gate 24227c478bd9Sstevel@tonic-gate create_list_element = (create_list_t *) 24237c478bd9Sstevel@tonic-gate s_malloc(sizeof (create_list_t)); 24247c478bd9Sstevel@tonic-gate 24257c478bd9Sstevel@tonic-gate create_list_element->create = &(create_reg->tblp[i]); 24267c478bd9Sstevel@tonic-gate create_list_element->modptr = module; 24277c478bd9Sstevel@tonic-gate 24287c478bd9Sstevel@tonic-gate if (((flags & CREATE_MASK) != 0) && 24297c478bd9Sstevel@tonic-gate ((flags & CREATE_MASK) != CREATE_DEFER)) { 24307c478bd9Sstevel@tonic-gate free(create_list_element); 24317c478bd9Sstevel@tonic-gate err_print("illegal flag combination in " 24327c478bd9Sstevel@tonic-gate "module create\n"); 24337c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 24347c478bd9Sstevel@tonic-gate continue; 24357c478bd9Sstevel@tonic-gate } 24367c478bd9Sstevel@tonic-gate 24377c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) == 0) ^ 24387c478bd9Sstevel@tonic-gate (create_reg->tblp[i].node_type == NULL)) { 24397c478bd9Sstevel@tonic-gate free(create_list_element); 24407c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 24417c478bd9Sstevel@tonic-gate "node_type value in module create\n"); 24427c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 24437c478bd9Sstevel@tonic-gate continue; 24447c478bd9Sstevel@tonic-gate } 24457c478bd9Sstevel@tonic-gate 24467c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) != 0) && 24477c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_EXACT) && 24487c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_RE) && 24497c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_PARTIAL)) { 24507c478bd9Sstevel@tonic-gate free(create_list_element); 24517c478bd9Sstevel@tonic-gate err_print("illegal TYPE_* flag combination in " 24527c478bd9Sstevel@tonic-gate "module create\n"); 24537c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 24547c478bd9Sstevel@tonic-gate continue; 24557c478bd9Sstevel@tonic-gate } 24567c478bd9Sstevel@tonic-gate 24577c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 24587c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 24597c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 24607c478bd9Sstevel@tonic-gate node_type_comp), 24617c478bd9Sstevel@tonic-gate create_reg->tblp[i].node_type, 24627c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 24637c478bd9Sstevel@tonic-gate free(create_list_element); 24647c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 24657c478bd9Sstevel@tonic-gate create_reg->tblp[i].node_type, 24667c478bd9Sstevel@tonic-gate n); 24677c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 24687c478bd9Sstevel@tonic-gate continue; 24697c478bd9Sstevel@tonic-gate } 24707c478bd9Sstevel@tonic-gate } 24717c478bd9Sstevel@tonic-gate 24727c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) == 0) ^ 24737c478bd9Sstevel@tonic-gate (create_reg->tblp[i].drv_name == NULL)) { 24747c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 24757c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 24767c478bd9Sstevel@tonic-gate node_type_comp)); 24777c478bd9Sstevel@tonic-gate } 24787c478bd9Sstevel@tonic-gate free(create_list_element); 24797c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 24807c478bd9Sstevel@tonic-gate "drv_name value in module create\n"); 24817c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 24827c478bd9Sstevel@tonic-gate continue; 24837c478bd9Sstevel@tonic-gate } 24847c478bd9Sstevel@tonic-gate 24857c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) != 0) && 24867c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_EXACT) && 24877c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_RE)) { 24887c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 24897c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 24907c478bd9Sstevel@tonic-gate node_type_comp)); 24917c478bd9Sstevel@tonic-gate } 24927c478bd9Sstevel@tonic-gate free(create_list_element); 24937c478bd9Sstevel@tonic-gate err_print("illegal DRV_* flag combination in " 24947c478bd9Sstevel@tonic-gate "module create\n"); 24957c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 24967c478bd9Sstevel@tonic-gate continue; 24977c478bd9Sstevel@tonic-gate } 24987c478bd9Sstevel@tonic-gate 24997c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 25007c478bd9Sstevel@tonic-gate if ((create_reg->tblp[i].flags & DRV_RE) == DRV_RE) { 25017c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 25027c478bd9Sstevel@tonic-gate drv_name_comp), 25037c478bd9Sstevel@tonic-gate create_reg->tblp[i].drv_name, 25047c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 25057c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 25067c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 25077c478bd9Sstevel@tonic-gate node_type_comp)); 25087c478bd9Sstevel@tonic-gate } 25097c478bd9Sstevel@tonic-gate free(create_list_element); 25107c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 25117c478bd9Sstevel@tonic-gate create_reg->tblp[i].drv_name, 25127c478bd9Sstevel@tonic-gate n); 25137c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 25147c478bd9Sstevel@tonic-gate continue; 25157c478bd9Sstevel@tonic-gate } 25167c478bd9Sstevel@tonic-gate } 25177c478bd9Sstevel@tonic-gate 25187c478bd9Sstevel@tonic-gate 25197c478bd9Sstevel@tonic-gate /* add to list sorted by interpose level */ 25207c478bd9Sstevel@tonic-gate for (create_list_next = &(create_head); 25217c478bd9Sstevel@tonic-gate (*create_list_next != NULL) && 25227c478bd9Sstevel@tonic-gate (*create_list_next)->create->interpose_lvl >= 25237c478bd9Sstevel@tonic-gate create_list_element->create->interpose_lvl; 25247c478bd9Sstevel@tonic-gate create_list_next = 25257c478bd9Sstevel@tonic-gate &((*create_list_next)->next)); 25267c478bd9Sstevel@tonic-gate create_list_element->next = *create_list_next; 25277c478bd9Sstevel@tonic-gate *create_list_next = create_list_element; 25287c478bd9Sstevel@tonic-gate } 25297c478bd9Sstevel@tonic-gate } 25307c478bd9Sstevel@tonic-gate 25317c478bd9Sstevel@tonic-gate /* 25327c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_remove on "remove_head" 25337c478bd9Sstevel@tonic-gate * list sorted by interpose_lvl. 25347c478bd9Sstevel@tonic-gate */ 25357c478bd9Sstevel@tonic-gate if (remove_reg != NULL) { 25367c478bd9Sstevel@tonic-gate for (i = 0; i < remove_reg->count; i++) { 25377c478bd9Sstevel@tonic-gate 25387c478bd9Sstevel@tonic-gate remove_list_element = (remove_list_t *) 25397c478bd9Sstevel@tonic-gate s_malloc(sizeof (remove_list_t)); 25407c478bd9Sstevel@tonic-gate 25417c478bd9Sstevel@tonic-gate remove_list_element->remove = &(remove_reg->tblp[i]); 25427c478bd9Sstevel@tonic-gate remove_list_element->modptr = module; 25437c478bd9Sstevel@tonic-gate 25447c478bd9Sstevel@tonic-gate for (remove_list_next = &(remove_head); 25457c478bd9Sstevel@tonic-gate (*remove_list_next != NULL) && 25467c478bd9Sstevel@tonic-gate (*remove_list_next)->remove->interpose_lvl >= 25477c478bd9Sstevel@tonic-gate remove_list_element->remove->interpose_lvl; 25487c478bd9Sstevel@tonic-gate remove_list_next = 25497c478bd9Sstevel@tonic-gate &((*remove_list_next)->next)); 25507c478bd9Sstevel@tonic-gate remove_list_element->next = *remove_list_next; 25517c478bd9Sstevel@tonic-gate *remove_list_next = remove_list_element; 25527c478bd9Sstevel@tonic-gate } 25537c478bd9Sstevel@tonic-gate } 25547c478bd9Sstevel@tonic-gate 25557c478bd9Sstevel@tonic-gate module->next = module_head; 25567c478bd9Sstevel@tonic-gate module_head = module; 25577c478bd9Sstevel@tonic-gate } 25587c478bd9Sstevel@tonic-gate 25597c478bd9Sstevel@tonic-gate /* 25607c478bd9Sstevel@tonic-gate * Create a thread to call minor_fini after some delay 25617c478bd9Sstevel@tonic-gate */ 25627c478bd9Sstevel@tonic-gate static void 25637c478bd9Sstevel@tonic-gate startup_cache_sync_thread() 25647c478bd9Sstevel@tonic-gate { 25657c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "startup_cache_sync_thread\n"); 25667c478bd9Sstevel@tonic-gate 25677c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 25687c478bd9Sstevel@tonic-gate 25697c478bd9Sstevel@tonic-gate minor_fini_delay_restart = TRUE; 25707c478bd9Sstevel@tonic-gate 25717c478bd9Sstevel@tonic-gate if (minor_fini_thread_created == FALSE) { 25727c478bd9Sstevel@tonic-gate 25737c478bd9Sstevel@tonic-gate if (thr_create(NULL, NULL, 25747c478bd9Sstevel@tonic-gate (void *(*)(void *))call_minor_fini_thread, NULL, 25757c478bd9Sstevel@tonic-gate THR_DETACHED, NULL)) { 25767c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "minor_fini", 25777c478bd9Sstevel@tonic-gate strerror(errno)); 25787c478bd9Sstevel@tonic-gate 25797c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 25807c478bd9Sstevel@tonic-gate 25817c478bd9Sstevel@tonic-gate /* 25827c478bd9Sstevel@tonic-gate * just sync state here instead of 25837c478bd9Sstevel@tonic-gate * giving up 25847c478bd9Sstevel@tonic-gate */ 25857c478bd9Sstevel@tonic-gate lock_dev(); 25867c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 25877c478bd9Sstevel@tonic-gate 25887c478bd9Sstevel@tonic-gate return; 25897c478bd9Sstevel@tonic-gate } 25907c478bd9Sstevel@tonic-gate minor_fini_thread_created = TRUE; 25917c478bd9Sstevel@tonic-gate } else { 25927c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "restarting delay\n"); 25937c478bd9Sstevel@tonic-gate } 25947c478bd9Sstevel@tonic-gate 25957c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 25967c478bd9Sstevel@tonic-gate } 25977c478bd9Sstevel@tonic-gate 25987c478bd9Sstevel@tonic-gate /* 25997c478bd9Sstevel@tonic-gate * after not receiving an event for minor_fini_timeout secs, we need 26007c478bd9Sstevel@tonic-gate * to call the minor_fini routines 26017c478bd9Sstevel@tonic-gate */ 26027c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 26037c478bd9Sstevel@tonic-gate static void 26047c478bd9Sstevel@tonic-gate call_minor_fini_thread(void *arg) 26057c478bd9Sstevel@tonic-gate { 26067c478bd9Sstevel@tonic-gate int count = 0; 26077c478bd9Sstevel@tonic-gate 26087c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 26097c478bd9Sstevel@tonic-gate 26107c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "call_minor_fini_thread starting\n"); 26117c478bd9Sstevel@tonic-gate 26127c478bd9Sstevel@tonic-gate do { 26137c478bd9Sstevel@tonic-gate minor_fini_delay_restart = FALSE; 26147c478bd9Sstevel@tonic-gate 26157c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 26167c478bd9Sstevel@tonic-gate (void) sleep(minor_fini_timeout); 26177c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 26187c478bd9Sstevel@tonic-gate 26197c478bd9Sstevel@tonic-gate /* 26207c478bd9Sstevel@tonic-gate * if minor_fini_delay_restart is still false then 26217c478bd9Sstevel@tonic-gate * we can call minor fini routines. 26227c478bd9Sstevel@tonic-gate * ensure that at least periodically minor_fini gets 26237c478bd9Sstevel@tonic-gate * called satisfying link generators depending on fini 26247c478bd9Sstevel@tonic-gate * being eventually called 26257c478bd9Sstevel@tonic-gate */ 26267c478bd9Sstevel@tonic-gate if ((count++ >= FORCE_CALL_MINOR_FINI) || 26277c478bd9Sstevel@tonic-gate (minor_fini_delay_restart == FALSE)) { 26287c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, 26297c478bd9Sstevel@tonic-gate "call_minor_fini starting (%d)\n", count); 26307c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 26317c478bd9Sstevel@tonic-gate 26327c478bd9Sstevel@tonic-gate lock_dev(); 26337c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 26347c478bd9Sstevel@tonic-gate 26357c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "call_minor_fini done\n"); 26367c478bd9Sstevel@tonic-gate 26377c478bd9Sstevel@tonic-gate /* 26387c478bd9Sstevel@tonic-gate * hang around before exiting just in case 26397c478bd9Sstevel@tonic-gate * minor_fini_delay_restart is set again 26407c478bd9Sstevel@tonic-gate */ 26417c478bd9Sstevel@tonic-gate (void) sleep(1); 26427c478bd9Sstevel@tonic-gate 26437c478bd9Sstevel@tonic-gate count = 0; 26447c478bd9Sstevel@tonic-gate 26457c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 26467c478bd9Sstevel@tonic-gate } 26477c478bd9Sstevel@tonic-gate } while (minor_fini_delay_restart); 26487c478bd9Sstevel@tonic-gate 26497c478bd9Sstevel@tonic-gate minor_fini_thread_created = FALSE; 26507c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 26517c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "call_minor_fini_thread exiting\n"); 26527c478bd9Sstevel@tonic-gate } 26537c478bd9Sstevel@tonic-gate 26547c478bd9Sstevel@tonic-gate /* 26557c478bd9Sstevel@tonic-gate * Attempt to initialize module, if a minor_init routine exists. Set 26567c478bd9Sstevel@tonic-gate * the active flag if the routine exists and succeeds. If it doesn't 26577c478bd9Sstevel@tonic-gate * exist, just set the active flag. 26587c478bd9Sstevel@tonic-gate */ 26597c478bd9Sstevel@tonic-gate static int 26607c478bd9Sstevel@tonic-gate call_minor_init(module_t *module) 26617c478bd9Sstevel@tonic-gate { 26627c478bd9Sstevel@tonic-gate char *fcn = "call_minor_init: "; 26637c478bd9Sstevel@tonic-gate 26647c478bd9Sstevel@tonic-gate if ((module->flags & MODULE_ACTIVE) == MODULE_ACTIVE) { 26657c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26667c478bd9Sstevel@tonic-gate } 26677c478bd9Sstevel@tonic-gate 26687c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "%smodule %s. current state: inactive\n", 26697c478bd9Sstevel@tonic-gate fcn, module->name); 26707c478bd9Sstevel@tonic-gate 26717c478bd9Sstevel@tonic-gate if (module->minor_init == NULL) { 26727c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 26737c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init not defined\n"); 26747c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26757c478bd9Sstevel@tonic-gate } 26767c478bd9Sstevel@tonic-gate 26777c478bd9Sstevel@tonic-gate if ((*(module->minor_init))() == DEVFSADM_FAILURE) { 26787c478bd9Sstevel@tonic-gate err_print(FAILED_FOR_MODULE, MINOR_INIT, module->name); 26797c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 26807c478bd9Sstevel@tonic-gate } 26817c478bd9Sstevel@tonic-gate 26827c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init() returns DEVFSADM_SUCCESS. " 26837c478bd9Sstevel@tonic-gate "new state: active\n"); 26847c478bd9Sstevel@tonic-gate 26857c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 26867c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26877c478bd9Sstevel@tonic-gate } 26887c478bd9Sstevel@tonic-gate 2689055e805aSedp static int 2690055e805aSedp i_mknod(char *path, int stype, int mode, dev_t dev, uid_t uid, gid_t gid) 2691055e805aSedp { 2692055e805aSedp struct stat sbuf; 2693055e805aSedp 2694055e805aSedp assert((stype & (S_IFCHR|S_IFBLK)) != 0); 2695055e805aSedp assert((mode & S_IFMT) == 0); 2696055e805aSedp 2697055e805aSedp if (stat(path, &sbuf) == 0) { 2698055e805aSedp /* 2699055e805aSedp * the node already exists, check if it's device 2700055e805aSedp * information is correct 2701055e805aSedp */ 2702055e805aSedp if (((sbuf.st_mode & S_IFMT) == stype) && 2703055e805aSedp (sbuf.st_rdev == dev)) { 2704055e805aSedp /* the device node is correct, continue */ 2705055e805aSedp return (DEVFSADM_SUCCESS); 2706055e805aSedp } 2707055e805aSedp /* 2708055e805aSedp * the device node already exists but has the wrong 2709055e805aSedp * mode/dev_t value. we need to delete the current 2710055e805aSedp * node and re-create it with the correct mode/dev_t 2711055e805aSedp * value, but we also want to preserve the current 2712055e805aSedp * owner and permission information. 2713055e805aSedp */ 2714055e805aSedp uid = sbuf.st_uid; 2715055e805aSedp gid = sbuf.st_gid; 2716055e805aSedp mode = sbuf.st_mode & ~S_IFMT; 2717055e805aSedp s_unlink(path); 2718055e805aSedp } 2719055e805aSedp 2720055e805aSedp top: 2721055e805aSedp if (mknod(path, stype | mode, dev) == -1) { 2722055e805aSedp if (errno == ENOENT) { 2723055e805aSedp /* dirpath to node doesn't exist, create it */ 2724055e805aSedp char *hide = strrchr(path, '/'); 2725055e805aSedp *hide = '\0'; 2726055e805aSedp s_mkdirp(path, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); 2727055e805aSedp *hide = '/'; 2728055e805aSedp goto top; 2729055e805aSedp } 2730055e805aSedp err_print(MKNOD_FAILED, path, strerror(errno)); 2731055e805aSedp return (DEVFSADM_FAILURE); 2732055e805aSedp } else { 2733055e805aSedp /* 2734055e805aSedp * If we successfully made the node, then set its owner 2735055e805aSedp * and group. Existing nodes will be unaffected. 2736055e805aSedp */ 2737055e805aSedp (void) chown(path, uid, gid); 2738055e805aSedp } 2739055e805aSedp return (DEVFSADM_SUCCESS); 2740055e805aSedp } 2741055e805aSedp 27427c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 27437c478bd9Sstevel@tonic-gate int 27447c478bd9Sstevel@tonic-gate devfsadm_mklink_zone(struct zone_devinfo *z, char *link, di_node_t node, 27457c478bd9Sstevel@tonic-gate di_minor_t minor, int flags) 27467c478bd9Sstevel@tonic-gate { 27477c478bd9Sstevel@tonic-gate char path[PATH_MAX]; 27487c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX]; 27497c478bd9Sstevel@tonic-gate char *dev_pathp; 27507c478bd9Sstevel@tonic-gate char *acontents, *aminor = NULL; 27517c478bd9Sstevel@tonic-gate mode_t mode; 27527c478bd9Sstevel@tonic-gate uid_t uid; 27537c478bd9Sstevel@tonic-gate gid_t gid; 27547c478bd9Sstevel@tonic-gate dev_t dev; 27557c478bd9Sstevel@tonic-gate struct zone_devtab out_match; 27567c478bd9Sstevel@tonic-gate 27577c478bd9Sstevel@tonic-gate if (zonecfg_match_dev(z->zone_dochdl, link, &out_match) != Z_OK) { 27587c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 27597c478bd9Sstevel@tonic-gate } 27607c478bd9Sstevel@tonic-gate 27617c478bd9Sstevel@tonic-gate vprint(ZONE_MID, "zone device match: <device match=\"%s\"> " 27627c478bd9Sstevel@tonic-gate "matches /dev/%s\n", out_match.zone_dev_match, link); 27637c478bd9Sstevel@tonic-gate 27647c478bd9Sstevel@tonic-gate /* 27657c478bd9Sstevel@tonic-gate * In daemon mode, zone_path will be non-empty. In non-daemon mode 27667c478bd9Sstevel@tonic-gate * it will be empty since we've already stuck the zone into dev_dir, 27677c478bd9Sstevel@tonic-gate * etc. 27687c478bd9Sstevel@tonic-gate */ 27697c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s/dev/%s", z->zone_path, link); 27707c478bd9Sstevel@tonic-gate dev = di_minor_devt(minor); 27717c478bd9Sstevel@tonic-gate 27727c478bd9Sstevel@tonic-gate /* 27737c478bd9Sstevel@tonic-gate * If this is an alias node (i.e. a clone node), we have to figure 27747c478bd9Sstevel@tonic-gate * out the minor name. 27757c478bd9Sstevel@tonic-gate */ 27767c478bd9Sstevel@tonic-gate if (di_minor_type(minor) == DDM_ALIAS) { 27777c478bd9Sstevel@tonic-gate /* use /pseudo/clone@0:<driver> as the phys path */ 27787c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), 27797c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", 27807c478bd9Sstevel@tonic-gate di_driver_name(di_minor_devinfo(minor))); 27817c478bd9Sstevel@tonic-gate aminor = di_minor_name(minor); 27827c478bd9Sstevel@tonic-gate acontents = phy_path; 27837c478bd9Sstevel@tonic-gate } else { 27847c478bd9Sstevel@tonic-gate if ((dev_pathp = di_devfs_path(node)) == NULL) { 27857c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 27867c478bd9Sstevel@tonic-gate devfsadm_exit(1); 27877c478bd9Sstevel@tonic-gate } 27887c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), "%s:%s", 27897c478bd9Sstevel@tonic-gate dev_pathp, di_minor_name(minor)); 27907c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_pathp); 27917c478bd9Sstevel@tonic-gate acontents = phy_path; 27927c478bd9Sstevel@tonic-gate } 27937c478bd9Sstevel@tonic-gate 27947c478bd9Sstevel@tonic-gate 27957c478bd9Sstevel@tonic-gate getattr(acontents, aminor, di_minor_spectype(minor), dev, 27967c478bd9Sstevel@tonic-gate &mode, &uid, &gid); 27977c478bd9Sstevel@tonic-gate vprint(ZONE_MID, "zone getattr(%s, %s, %d, %lu, 0%lo, %lu, %lu)\n", 27987c478bd9Sstevel@tonic-gate acontents, aminor ? aminor : "<NULL>", di_minor_spectype(minor), 27997c478bd9Sstevel@tonic-gate dev, mode, uid, gid); 28007c478bd9Sstevel@tonic-gate 2801055e805aSedp /* Create the node */ 2802055e805aSedp return (i_mknod(path, di_minor_spectype(minor), mode, dev, uid, gid)); 28037c478bd9Sstevel@tonic-gate } 28047c478bd9Sstevel@tonic-gate 28057c478bd9Sstevel@tonic-gate /* 28067c478bd9Sstevel@tonic-gate * Creates a symlink 'link' to the physical path of node:minor. 28077c478bd9Sstevel@tonic-gate * Construct link contents, then call create_link_common(). 28087c478bd9Sstevel@tonic-gate */ 28097c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 28107c478bd9Sstevel@tonic-gate int 28117c478bd9Sstevel@tonic-gate devfsadm_mklink_default(char *link, di_node_t node, di_minor_t minor, int flags) 28127c478bd9Sstevel@tonic-gate { 28137c478bd9Sstevel@tonic-gate char rcontents[PATH_MAX]; 28147c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 28157c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX]; 28167c478bd9Sstevel@tonic-gate char *acontents; 28177c478bd9Sstevel@tonic-gate char *dev_path; 28187c478bd9Sstevel@tonic-gate int numslashes; 28197c478bd9Sstevel@tonic-gate int rv; 28207c478bd9Sstevel@tonic-gate int i, link_exists; 28217c478bd9Sstevel@tonic-gate int last_was_slash = FALSE; 28227c478bd9Sstevel@tonic-gate 28237c478bd9Sstevel@tonic-gate /* 28247c478bd9Sstevel@tonic-gate * try to use devices path 28257c478bd9Sstevel@tonic-gate */ 28267c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 28277c478bd9Sstevel@tonic-gate acontents = lphy_path; 28287c478bd9Sstevel@tonic-gate } else if (di_minor_type(minor) == DDM_ALIAS) { 28297c478bd9Sstevel@tonic-gate /* use /pseudo/clone@0:<driver> as the phys path */ 28307c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), 28317c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", 28327c478bd9Sstevel@tonic-gate di_driver_name(di_minor_devinfo(minor))); 28337c478bd9Sstevel@tonic-gate acontents = phy_path; 28347c478bd9Sstevel@tonic-gate } else { 28357c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 28367c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 28377c478bd9Sstevel@tonic-gate devfsadm_exit(1); 28387c478bd9Sstevel@tonic-gate } 28397c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), "%s:%s", 28407c478bd9Sstevel@tonic-gate dev_path, di_minor_name(minor)); 28417c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 28427c478bd9Sstevel@tonic-gate acontents = phy_path; 28437c478bd9Sstevel@tonic-gate } 28447c478bd9Sstevel@tonic-gate 28457c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 28467c478bd9Sstevel@tonic-gate (void) strlcpy(devlink, dev_dir, sizeof (devlink)); 28477c478bd9Sstevel@tonic-gate (void) strlcat(devlink, "/", sizeof (devlink)); 28487c478bd9Sstevel@tonic-gate (void) strlcat(devlink, link, sizeof (devlink)); 28497c478bd9Sstevel@tonic-gate 28507c478bd9Sstevel@tonic-gate /* 28517c478bd9Sstevel@tonic-gate * Calculate # of ../ to add. Account for double '//' in path. 28527c478bd9Sstevel@tonic-gate * Ignore all leading slashes. 28537c478bd9Sstevel@tonic-gate */ 28547c478bd9Sstevel@tonic-gate for (i = 0; link[i] == '/'; i++) 28557c478bd9Sstevel@tonic-gate ; 28567c478bd9Sstevel@tonic-gate for (numslashes = 0; link[i] != '\0'; i++) { 28577c478bd9Sstevel@tonic-gate if (link[i] == '/') { 28587c478bd9Sstevel@tonic-gate if (last_was_slash == FALSE) { 28597c478bd9Sstevel@tonic-gate numslashes++; 28607c478bd9Sstevel@tonic-gate last_was_slash = TRUE; 28617c478bd9Sstevel@tonic-gate } 28627c478bd9Sstevel@tonic-gate } else { 28637c478bd9Sstevel@tonic-gate last_was_slash = FALSE; 28647c478bd9Sstevel@tonic-gate } 28657c478bd9Sstevel@tonic-gate } 28667c478bd9Sstevel@tonic-gate /* Don't count any trailing '/' */ 28677c478bd9Sstevel@tonic-gate if (link[i-1] == '/') { 28687c478bd9Sstevel@tonic-gate numslashes--; 28697c478bd9Sstevel@tonic-gate } 28707c478bd9Sstevel@tonic-gate 28717c478bd9Sstevel@tonic-gate rcontents[0] = '\0'; 28727c478bd9Sstevel@tonic-gate do { 28737c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "../", sizeof (rcontents)); 28747c478bd9Sstevel@tonic-gate } while (numslashes-- != 0); 28757c478bd9Sstevel@tonic-gate 28767c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "devices", sizeof (rcontents)); 28777c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, acontents, sizeof (rcontents)); 28787c478bd9Sstevel@tonic-gate 28797c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 28807c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding link %s ==> %s\n", devlink, rcontents); 28817c478bd9Sstevel@tonic-gate } 28827c478bd9Sstevel@tonic-gate 28837c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, rcontents, &link_exists)) 28847c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 28857c478bd9Sstevel@tonic-gate linknew = TRUE; 28867c478bd9Sstevel@tonic-gate add_link_to_cache(link, acontents); 2887*45916cd2Sjpk if (system_labeled && (flags & DA_ADD)) { 2888*45916cd2Sjpk /* 2889*45916cd2Sjpk * Add this device to the list of allocatable devices. 2890*45916cd2Sjpk */ 2891*45916cd2Sjpk int instance = di_instance(node); 2892*45916cd2Sjpk 2893*45916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, flags); 2894*45916cd2Sjpk update_devdb = flags; 2895*45916cd2Sjpk } 28967c478bd9Sstevel@tonic-gate } else { 28977c478bd9Sstevel@tonic-gate linknew = FALSE; 28987c478bd9Sstevel@tonic-gate } 28997c478bd9Sstevel@tonic-gate 29007c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 2901*45916cd2Sjpk if (system_labeled && (flags & DA_CD)) { 2902*45916cd2Sjpk /* 2903*45916cd2Sjpk * if this is a removable disk, add it 2904*45916cd2Sjpk * as that to device allocation database. 2905*45916cd2Sjpk */ 2906*45916cd2Sjpk if (_da_check_for_usb(devlink, root_dir) == 1) { 2907*45916cd2Sjpk int instance = di_instance(node); 2908*45916cd2Sjpk 2909*45916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, 2910*45916cd2Sjpk DA_ADD|DA_RMDISK); 2911*45916cd2Sjpk update_devdb = DA_RMDISK; 2912*45916cd2Sjpk } 2913*45916cd2Sjpk } 29147c478bd9Sstevel@tonic-gate /* Link exists or was just created */ 29157c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, rcontents, 29167c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK); 29177c478bd9Sstevel@tonic-gate } 29187c478bd9Sstevel@tonic-gate 29197c478bd9Sstevel@tonic-gate return (rv); 29207c478bd9Sstevel@tonic-gate } 29217c478bd9Sstevel@tonic-gate 29227c478bd9Sstevel@tonic-gate int 29237c478bd9Sstevel@tonic-gate devfsadm_mklink(char *link, di_node_t node, di_minor_t minor, int flags) 29247c478bd9Sstevel@tonic-gate { 29257c478bd9Sstevel@tonic-gate struct zone_devinfo *z; 29267c478bd9Sstevel@tonic-gate int error; 29277c478bd9Sstevel@tonic-gate 29287c478bd9Sstevel@tonic-gate /* 29297c478bd9Sstevel@tonic-gate * If we're in zone mode (also implies !daemon_mode), then the 29307c478bd9Sstevel@tonic-gate * zone devinfo list has only one element, the zone we're configuring, 29317c478bd9Sstevel@tonic-gate * and we can just use zone_head. 29327c478bd9Sstevel@tonic-gate */ 29337c478bd9Sstevel@tonic-gate if (zone_cmd_mode) 29347c478bd9Sstevel@tonic-gate return (devfsadm_mklink_zone(zone_head, link, node, 29357c478bd9Sstevel@tonic-gate minor, flags)); 29367c478bd9Sstevel@tonic-gate else if (!daemon_mode) 29377c478bd9Sstevel@tonic-gate return (devfsadm_mklink_default(link, node, minor, flags)); 29387c478bd9Sstevel@tonic-gate 29397c478bd9Sstevel@tonic-gate /* 29407c478bd9Sstevel@tonic-gate * We're in daemon mode, so we need to make the link in the global 29417c478bd9Sstevel@tonic-gate * zone; then, walk the list of zones, creating the corresponding 29427c478bd9Sstevel@tonic-gate * mknod'd nodes in each. 29437c478bd9Sstevel@tonic-gate */ 29447c478bd9Sstevel@tonic-gate error = devfsadm_mklink_default(link, node, minor, flags); 29457c478bd9Sstevel@tonic-gate 29467c478bd9Sstevel@tonic-gate (void) mutex_lock(&zone_mutex); 29477c478bd9Sstevel@tonic-gate for (z = zone_head; z != NULL; z = z->zone_next) { 29487c478bd9Sstevel@tonic-gate (void) devfsadm_mklink_zone(z, link, node, minor, flags); 29497c478bd9Sstevel@tonic-gate } 29507c478bd9Sstevel@tonic-gate (void) mutex_unlock(&zone_mutex); 29517c478bd9Sstevel@tonic-gate return (error); 29527c478bd9Sstevel@tonic-gate } 29537c478bd9Sstevel@tonic-gate 29547c478bd9Sstevel@tonic-gate /* 29557c478bd9Sstevel@tonic-gate * Creates a symlink link to primary_link. Calculates relative 29567c478bd9Sstevel@tonic-gate * directory offsets, then calls link_common(). 29577c478bd9Sstevel@tonic-gate */ 29587c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 29597c478bd9Sstevel@tonic-gate int 29607c478bd9Sstevel@tonic-gate devfsadm_secondary_link(char *link, char *primary_link, int flags) 29617c478bd9Sstevel@tonic-gate { 29627c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 29637c478bd9Sstevel@tonic-gate char devlink[PATH_MAX + 1]; 29647c478bd9Sstevel@tonic-gate int rv, link_exists; 29657c478bd9Sstevel@tonic-gate char *fpath; 29667c478bd9Sstevel@tonic-gate char *tpath; 29677c478bd9Sstevel@tonic-gate char *op; 29687c478bd9Sstevel@tonic-gate 29697c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 29707c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 29717c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 29727c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 29737c478bd9Sstevel@tonic-gate /* 29747c478bd9Sstevel@tonic-gate * building extra link, so use first link as link contents, but first 29757c478bd9Sstevel@tonic-gate * make it relative. 29767c478bd9Sstevel@tonic-gate */ 29777c478bd9Sstevel@tonic-gate fpath = link; 29787c478bd9Sstevel@tonic-gate tpath = primary_link; 29797c478bd9Sstevel@tonic-gate op = contents; 29807c478bd9Sstevel@tonic-gate 29817c478bd9Sstevel@tonic-gate while (*fpath == *tpath && *fpath != '\0') { 29827c478bd9Sstevel@tonic-gate fpath++, tpath++; 29837c478bd9Sstevel@tonic-gate } 29847c478bd9Sstevel@tonic-gate 29857c478bd9Sstevel@tonic-gate /* Count directories to go up, if any, and add "../" */ 29867c478bd9Sstevel@tonic-gate while (*fpath != '\0') { 29877c478bd9Sstevel@tonic-gate if (*fpath == '/') { 29887c478bd9Sstevel@tonic-gate (void) strcpy(op, "../"); 29897c478bd9Sstevel@tonic-gate op += 3; 29907c478bd9Sstevel@tonic-gate } 29917c478bd9Sstevel@tonic-gate fpath++; 29927c478bd9Sstevel@tonic-gate } 29937c478bd9Sstevel@tonic-gate 29947c478bd9Sstevel@tonic-gate /* 29957c478bd9Sstevel@tonic-gate * Back up to the start of the current path component, in 29967c478bd9Sstevel@tonic-gate * case in the middle 29977c478bd9Sstevel@tonic-gate */ 29987c478bd9Sstevel@tonic-gate while (tpath != primary_link && *(tpath-1) != '/') { 29997c478bd9Sstevel@tonic-gate tpath--; 30007c478bd9Sstevel@tonic-gate } 30017c478bd9Sstevel@tonic-gate (void) strcpy(op, tpath); 30027c478bd9Sstevel@tonic-gate 30037c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 30047c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding extra link %s ==> %s\n", 30057c478bd9Sstevel@tonic-gate devlink, contents); 30067c478bd9Sstevel@tonic-gate } 30077c478bd9Sstevel@tonic-gate 30087c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, contents, &link_exists)) 30097c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 30107c478bd9Sstevel@tonic-gate /* 30117c478bd9Sstevel@tonic-gate * we need to save the ultimate /devices contents, and not the 30127c478bd9Sstevel@tonic-gate * secondary link, since hotcleanup only looks at /devices path. 30137c478bd9Sstevel@tonic-gate * Since we don't have devices path here, we can try to get it 30147c478bd9Sstevel@tonic-gate * by readlink'ing the secondary link. This assumes the primary 30157c478bd9Sstevel@tonic-gate * link was created first. 30167c478bd9Sstevel@tonic-gate */ 30177c478bd9Sstevel@tonic-gate add_link_to_cache(link, lphy_path); 30187c478bd9Sstevel@tonic-gate linknew = TRUE; 3019*45916cd2Sjpk if (system_labeled && 3020*45916cd2Sjpk ((flags & DA_AUDIO) && (flags & DA_ADD))) { 3021*45916cd2Sjpk /* 3022*45916cd2Sjpk * Add this device to the list of allocatable devices. 3023*45916cd2Sjpk */ 3024*45916cd2Sjpk int instance = 0; 3025*45916cd2Sjpk 3026*45916cd2Sjpk op = strrchr(contents, '/'); 3027*45916cd2Sjpk op++; 3028*45916cd2Sjpk (void) sscanf(op, "%d", &instance); 3029*45916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, flags); 3030*45916cd2Sjpk update_devdb = flags; 3031*45916cd2Sjpk } 30327c478bd9Sstevel@tonic-gate } else { 30337c478bd9Sstevel@tonic-gate linknew = FALSE; 30347c478bd9Sstevel@tonic-gate } 30357c478bd9Sstevel@tonic-gate 30367c478bd9Sstevel@tonic-gate /* 30377c478bd9Sstevel@tonic-gate * If link exists or was just created, add it to the database 30387c478bd9Sstevel@tonic-gate */ 30397c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 30407c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, 30417c478bd9Sstevel@tonic-gate DI_SECONDARY_LINK); 30427c478bd9Sstevel@tonic-gate } 30437c478bd9Sstevel@tonic-gate 30447c478bd9Sstevel@tonic-gate return (rv); 30457c478bd9Sstevel@tonic-gate } 30467c478bd9Sstevel@tonic-gate 30477c478bd9Sstevel@tonic-gate /* returns pointer to the devices directory */ 30487c478bd9Sstevel@tonic-gate char * 30497c478bd9Sstevel@tonic-gate devfsadm_get_devices_dir() 30507c478bd9Sstevel@tonic-gate { 30517c478bd9Sstevel@tonic-gate return (devices_dir); 30527c478bd9Sstevel@tonic-gate } 30537c478bd9Sstevel@tonic-gate 30547c478bd9Sstevel@tonic-gate /* 30557c478bd9Sstevel@tonic-gate * Does the actual link creation. VERBOSE_MID only used if there is 30567c478bd9Sstevel@tonic-gate * a change. CHATTY_MID used otherwise. 30577c478bd9Sstevel@tonic-gate */ 30587c478bd9Sstevel@tonic-gate static int 30597c478bd9Sstevel@tonic-gate create_link_common(char *devlink, char *contents, int *exists) 30607c478bd9Sstevel@tonic-gate { 30617c478bd9Sstevel@tonic-gate int try; 30627c478bd9Sstevel@tonic-gate int linksize; 30637c478bd9Sstevel@tonic-gate int max_tries = 0; 30647c478bd9Sstevel@tonic-gate static int prev_link_existed = TRUE; 30657c478bd9Sstevel@tonic-gate char checkcontents[PATH_MAX + 1]; 30667c478bd9Sstevel@tonic-gate char *hide; 30677c478bd9Sstevel@tonic-gate 30687c478bd9Sstevel@tonic-gate *exists = FALSE; 30697c478bd9Sstevel@tonic-gate 30707c478bd9Sstevel@tonic-gate /* Database is not updated when file_mods == FALSE */ 30717c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 30727c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 30737c478bd9Sstevel@tonic-gate if (linksize > 0) { 30747c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 30757c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 30767c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, REMOVING_LINK, 30777c478bd9Sstevel@tonic-gate devlink, checkcontents); 30787c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 30797c478bd9Sstevel@tonic-gate } else { 30807c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "link exists and is correct:" 30817c478bd9Sstevel@tonic-gate " %s -> %s\n", devlink, contents); 30827c478bd9Sstevel@tonic-gate /* failure only in that the link existed */ 30837c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 30847c478bd9Sstevel@tonic-gate } 30857c478bd9Sstevel@tonic-gate } else { 30867c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, contents); 30877c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 30887c478bd9Sstevel@tonic-gate } 30897c478bd9Sstevel@tonic-gate } 30907c478bd9Sstevel@tonic-gate 30917c478bd9Sstevel@tonic-gate /* 30927c478bd9Sstevel@tonic-gate * systems calls are expensive, so predict whether to readlink 30937c478bd9Sstevel@tonic-gate * or symlink first, based on previous attempt 30947c478bd9Sstevel@tonic-gate */ 30957c478bd9Sstevel@tonic-gate if (prev_link_existed == FALSE) { 30967c478bd9Sstevel@tonic-gate try = CREATE_LINK; 30977c478bd9Sstevel@tonic-gate } else { 30987c478bd9Sstevel@tonic-gate try = READ_LINK; 30997c478bd9Sstevel@tonic-gate } 31007c478bd9Sstevel@tonic-gate 31017c478bd9Sstevel@tonic-gate while (++max_tries <= 3) { 31027c478bd9Sstevel@tonic-gate 31037c478bd9Sstevel@tonic-gate switch (try) { 31047c478bd9Sstevel@tonic-gate case CREATE_LINK: 31057c478bd9Sstevel@tonic-gate 31067c478bd9Sstevel@tonic-gate if (symlink(contents, devlink) == 0) { 31077c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, 31087c478bd9Sstevel@tonic-gate contents); 31097c478bd9Sstevel@tonic-gate prev_link_existed = FALSE; 31107c478bd9Sstevel@tonic-gate /* link successfully created */ 31117c478bd9Sstevel@tonic-gate *exists = TRUE; 31127c478bd9Sstevel@tonic-gate set_logindev_perms(devlink); 31137c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 31147c478bd9Sstevel@tonic-gate } else { 31157c478bd9Sstevel@tonic-gate switch (errno) { 31167c478bd9Sstevel@tonic-gate 31177c478bd9Sstevel@tonic-gate case ENOENT: 31187c478bd9Sstevel@tonic-gate /* dirpath to node doesn't exist */ 31197c478bd9Sstevel@tonic-gate hide = strrchr(devlink, '/'); 31207c478bd9Sstevel@tonic-gate *hide = '\0'; 31217c478bd9Sstevel@tonic-gate s_mkdirp(devlink, S_IRWXU|S_IRGRP| 31227c478bd9Sstevel@tonic-gate S_IXGRP|S_IROTH|S_IXOTH); 31237c478bd9Sstevel@tonic-gate *hide = '/'; 31247c478bd9Sstevel@tonic-gate break; 31257c478bd9Sstevel@tonic-gate case EEXIST: 31267c478bd9Sstevel@tonic-gate try = READ_LINK; 31277c478bd9Sstevel@tonic-gate break; 31287c478bd9Sstevel@tonic-gate default: 31297c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, devlink, 31307c478bd9Sstevel@tonic-gate contents, strerror(errno)); 31317c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 31327c478bd9Sstevel@tonic-gate } 31337c478bd9Sstevel@tonic-gate } 31347c478bd9Sstevel@tonic-gate break; 31357c478bd9Sstevel@tonic-gate 31367c478bd9Sstevel@tonic-gate case READ_LINK: 31377c478bd9Sstevel@tonic-gate 31387c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 31397c478bd9Sstevel@tonic-gate if (linksize >= 0) { 31407c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 31417c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 31427c478bd9Sstevel@tonic-gate s_unlink(devlink); 31437c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, REMOVING_LINK, 31447c478bd9Sstevel@tonic-gate devlink, checkcontents); 31457c478bd9Sstevel@tonic-gate try = CREATE_LINK; 31467c478bd9Sstevel@tonic-gate } else { 31477c478bd9Sstevel@tonic-gate prev_link_existed = TRUE; 31487c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, 31497c478bd9Sstevel@tonic-gate "link exists and is correct:" 31507c478bd9Sstevel@tonic-gate " %s -> %s\n", devlink, 31517c478bd9Sstevel@tonic-gate contents); 31527c478bd9Sstevel@tonic-gate *exists = TRUE; 31537c478bd9Sstevel@tonic-gate /* failure in that the link existed */ 31547c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 31557c478bd9Sstevel@tonic-gate } 31567c478bd9Sstevel@tonic-gate } else { 31577c478bd9Sstevel@tonic-gate switch (errno) { 31587c478bd9Sstevel@tonic-gate case EINVAL: 31597c478bd9Sstevel@tonic-gate /* not a symlink, remove and create */ 31607c478bd9Sstevel@tonic-gate s_unlink(devlink); 31617c478bd9Sstevel@tonic-gate default: 31627c478bd9Sstevel@tonic-gate /* maybe it didn't exist at all */ 31637c478bd9Sstevel@tonic-gate try = CREATE_LINK; 31647c478bd9Sstevel@tonic-gate break; 31657c478bd9Sstevel@tonic-gate } 31667c478bd9Sstevel@tonic-gate } 31677c478bd9Sstevel@tonic-gate break; 31687c478bd9Sstevel@tonic-gate } 31697c478bd9Sstevel@tonic-gate } 31707c478bd9Sstevel@tonic-gate err_print(MAX_ATTEMPTS, devlink, contents); 31717c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 31727c478bd9Sstevel@tonic-gate } 31737c478bd9Sstevel@tonic-gate 31747c478bd9Sstevel@tonic-gate static void 31757c478bd9Sstevel@tonic-gate set_logindev_perms(char *devlink) 31767c478bd9Sstevel@tonic-gate { 31777c478bd9Sstevel@tonic-gate struct login_dev *newdev; 31787c478bd9Sstevel@tonic-gate struct passwd pwd, *resp; 31797c478bd9Sstevel@tonic-gate char pwd_buf[PATH_MAX]; 31807c478bd9Sstevel@tonic-gate int rv; 31817c478bd9Sstevel@tonic-gate struct stat sb; 31827c478bd9Sstevel@tonic-gate char *devfs_path = NULL; 31837c478bd9Sstevel@tonic-gate 31847c478bd9Sstevel@tonic-gate /* 31857c478bd9Sstevel@tonic-gate * We only want logindev perms to be set when a device is 31867c478bd9Sstevel@tonic-gate * hotplugged or an application requests synchronous creates. 31877c478bd9Sstevel@tonic-gate * So we enable this only in daemon mode. In addition, 31887c478bd9Sstevel@tonic-gate * login(1) only fixes the std. /dev dir. So we don't 31897c478bd9Sstevel@tonic-gate * change perms if alternate root is set. 31907c478bd9Sstevel@tonic-gate * login_dev_enable is TRUE only in these cases. 31917c478bd9Sstevel@tonic-gate */ 31927c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 31937c478bd9Sstevel@tonic-gate return; 31947c478bd9Sstevel@tonic-gate 31957c478bd9Sstevel@tonic-gate /* 31967c478bd9Sstevel@tonic-gate * Normally, /etc/logindevperm has few (8 - 10 entries) which 31977c478bd9Sstevel@tonic-gate * may be regular expressions (globs were converted to RE). 31987c478bd9Sstevel@tonic-gate * So just do a linear search through the list. 31997c478bd9Sstevel@tonic-gate */ 32007c478bd9Sstevel@tonic-gate for (newdev = login_dev_cache; newdev; newdev = newdev->ldev_next) { 32017c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matching %s with %s\n", devlink, 32027c478bd9Sstevel@tonic-gate newdev->ldev_device); 32037c478bd9Sstevel@tonic-gate 32047c478bd9Sstevel@tonic-gate if (regexec(&newdev->ldev_device_regex, devlink, 0, 32057c478bd9Sstevel@tonic-gate NULL, 0) == 0) { 32067c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matched %s with %s\n", devlink, 32077c478bd9Sstevel@tonic-gate newdev->ldev_device); 32087c478bd9Sstevel@tonic-gate break; 32097c478bd9Sstevel@tonic-gate } 32107c478bd9Sstevel@tonic-gate } 32117c478bd9Sstevel@tonic-gate 32127c478bd9Sstevel@tonic-gate if (newdev == NULL) 32137c478bd9Sstevel@tonic-gate return; 32147c478bd9Sstevel@tonic-gate 32157c478bd9Sstevel@tonic-gate /* 32167c478bd9Sstevel@tonic-gate * we have a match, now find the driver associated with this 32177c478bd9Sstevel@tonic-gate * minor node using a snapshot on the physical path 32187c478bd9Sstevel@tonic-gate */ 32197c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, &devfs_path, 0); 32207c478bd9Sstevel@tonic-gate if (devfs_path) { 32217c478bd9Sstevel@tonic-gate di_node_t node; 32227c478bd9Sstevel@tonic-gate char *drv = NULL; 32237c478bd9Sstevel@tonic-gate struct driver_list *list; 32247c478bd9Sstevel@tonic-gate char *p; 32257c478bd9Sstevel@tonic-gate 32267c478bd9Sstevel@tonic-gate /* truncate on : so we can take a snapshot */ 32277c478bd9Sstevel@tonic-gate (void) strcpy(pwd_buf, devfs_path); 32287c478bd9Sstevel@tonic-gate p = strrchr(pwd_buf, ':'); 32297c478bd9Sstevel@tonic-gate if (p == NULL) { 32307c478bd9Sstevel@tonic-gate free(devfs_path); 32317c478bd9Sstevel@tonic-gate return; 32327c478bd9Sstevel@tonic-gate } 32337c478bd9Sstevel@tonic-gate *p = '\0'; 32347c478bd9Sstevel@tonic-gate 32357c478bd9Sstevel@tonic-gate vprint(FILES_MID, "link=%s->physpath=%s\n", 32367c478bd9Sstevel@tonic-gate devlink, pwd_buf); 32377c478bd9Sstevel@tonic-gate 32387c478bd9Sstevel@tonic-gate node = di_init(pwd_buf, DINFOMINOR); 32397c478bd9Sstevel@tonic-gate 32407c478bd9Sstevel@tonic-gate if (node) { 32417c478bd9Sstevel@tonic-gate drv = di_driver_name(node); 32427c478bd9Sstevel@tonic-gate 32437c478bd9Sstevel@tonic-gate if (drv) { 32447c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s: driver is %s\n", 32457c478bd9Sstevel@tonic-gate devlink, drv); 32467c478bd9Sstevel@tonic-gate } 32477c478bd9Sstevel@tonic-gate di_fini(node); 32487c478bd9Sstevel@tonic-gate } 32497c478bd9Sstevel@tonic-gate /* search thru the driver list specified in logindevperm */ 32507c478bd9Sstevel@tonic-gate list = newdev->ldev_driver_list; 32517c478bd9Sstevel@tonic-gate if ((drv != NULL) && (list != NULL)) { 32527c478bd9Sstevel@tonic-gate while (list) { 32537c478bd9Sstevel@tonic-gate if (strcmp(list->driver_name, 32547c478bd9Sstevel@tonic-gate drv) == 0) { 32557c478bd9Sstevel@tonic-gate vprint(FILES_MID, 32567c478bd9Sstevel@tonic-gate "driver %s match!\n", drv); 32577c478bd9Sstevel@tonic-gate break; 32587c478bd9Sstevel@tonic-gate } 32597c478bd9Sstevel@tonic-gate list = list->next; 32607c478bd9Sstevel@tonic-gate } 32617c478bd9Sstevel@tonic-gate if (list == NULL) { 32627c478bd9Sstevel@tonic-gate vprint(FILES_MID, "no driver match!\n"); 32637c478bd9Sstevel@tonic-gate free(devfs_path); 32647c478bd9Sstevel@tonic-gate return; 32657c478bd9Sstevel@tonic-gate } 32667c478bd9Sstevel@tonic-gate } 32677c478bd9Sstevel@tonic-gate free(devfs_path); 32687c478bd9Sstevel@tonic-gate } else { 32697c478bd9Sstevel@tonic-gate return; 32707c478bd9Sstevel@tonic-gate } 32717c478bd9Sstevel@tonic-gate 32727c478bd9Sstevel@tonic-gate vprint(FILES_MID, "changing permissions of %s\n", devlink); 32737c478bd9Sstevel@tonic-gate 32747c478bd9Sstevel@tonic-gate /* 32757c478bd9Sstevel@tonic-gate * We have a match. We now attempt to determine the 32767c478bd9Sstevel@tonic-gate * owner and group of the console user. 32777c478bd9Sstevel@tonic-gate * 32787c478bd9Sstevel@tonic-gate * stat() the console device newdev->ldev_console 32797c478bd9Sstevel@tonic-gate * which will always exist - it will have the right owner but 32807c478bd9Sstevel@tonic-gate * not the right group. Use getpwuid_r() to determine group for this 32817c478bd9Sstevel@tonic-gate * uid. 32827c478bd9Sstevel@tonic-gate * Note, it is safe to use name service here since if name services 32837c478bd9Sstevel@tonic-gate * are not available (during boot or in single-user mode), then 32847c478bd9Sstevel@tonic-gate * console owner will be root and its gid can be found in 32857c478bd9Sstevel@tonic-gate * local files. 32867c478bd9Sstevel@tonic-gate */ 32877c478bd9Sstevel@tonic-gate if (stat(newdev->ldev_console, &sb) == -1) { 32887c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, STAT_FAILED, newdev->ldev_console, 32897c478bd9Sstevel@tonic-gate strerror(errno)); 32907c478bd9Sstevel@tonic-gate return; 32917c478bd9Sstevel@tonic-gate } 32927c478bd9Sstevel@tonic-gate 32937c478bd9Sstevel@tonic-gate resp = NULL; 32947c478bd9Sstevel@tonic-gate rv = getpwuid_r(sb.st_uid, &pwd, pwd_buf, sizeof (pwd_buf), &resp); 32957c478bd9Sstevel@tonic-gate if (rv || resp == NULL) { 32967c478bd9Sstevel@tonic-gate rv = rv ? rv : EINVAL; 32977c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, GID_FAILED, sb.st_uid, 32987c478bd9Sstevel@tonic-gate strerror(rv)); 32997c478bd9Sstevel@tonic-gate return; 33007c478bd9Sstevel@tonic-gate } 33017c478bd9Sstevel@tonic-gate 33027c478bd9Sstevel@tonic-gate assert(&pwd == resp); 33037c478bd9Sstevel@tonic-gate 33047c478bd9Sstevel@tonic-gate sb.st_gid = resp->pw_gid; 33057c478bd9Sstevel@tonic-gate 33067c478bd9Sstevel@tonic-gate if (chmod(devlink, newdev->ldev_perms) == -1) { 33077c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, devlink, 33087c478bd9Sstevel@tonic-gate strerror(errno)); 33097c478bd9Sstevel@tonic-gate return; 33107c478bd9Sstevel@tonic-gate } 33117c478bd9Sstevel@tonic-gate 33127c478bd9Sstevel@tonic-gate if (chown(devlink, sb.st_uid, sb.st_gid) == -1) { 33137c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, devlink, 33147c478bd9Sstevel@tonic-gate strerror(errno)); 33157c478bd9Sstevel@tonic-gate } 33167c478bd9Sstevel@tonic-gate } 33177c478bd9Sstevel@tonic-gate 33187c478bd9Sstevel@tonic-gate /* 33197c478bd9Sstevel@tonic-gate * Reset /devices node with appropriate permissions and 33207c478bd9Sstevel@tonic-gate * ownership as specified in /etc/minor_perm. 33217c478bd9Sstevel@tonic-gate */ 33227c478bd9Sstevel@tonic-gate static void 33237c478bd9Sstevel@tonic-gate reset_node_permissions(di_node_t node, di_minor_t minor) 33247c478bd9Sstevel@tonic-gate { 3325*45916cd2Sjpk int devalloc_is_on = 0; 33267c478bd9Sstevel@tonic-gate int spectype; 33277c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 33287c478bd9Sstevel@tonic-gate mode_t mode; 33297c478bd9Sstevel@tonic-gate dev_t dev; 33307c478bd9Sstevel@tonic-gate uid_t uid; 33317c478bd9Sstevel@tonic-gate gid_t gid; 33327c478bd9Sstevel@tonic-gate struct stat sb; 33337c478bd9Sstevel@tonic-gate char *dev_path, *aminor = NULL; 33347c478bd9Sstevel@tonic-gate 33357c478bd9Sstevel@tonic-gate /* lphy_path starts with / */ 33367c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 33377c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 33387c478bd9Sstevel@tonic-gate devfsadm_exit(1); 33397c478bd9Sstevel@tonic-gate } 33407c478bd9Sstevel@tonic-gate (void) strcpy(lphy_path, dev_path); 33417c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 33427c478bd9Sstevel@tonic-gate 33437c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, ":"); 33447c478bd9Sstevel@tonic-gate if (di_minor_type(minor) == DDM_ALIAS) { 33457c478bd9Sstevel@tonic-gate char *driver; 33467c478bd9Sstevel@tonic-gate aminor = di_minor_name(minor); 33477c478bd9Sstevel@tonic-gate driver = di_driver_name(di_minor_devinfo(minor)); 33487c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, driver); 33497c478bd9Sstevel@tonic-gate } else 33507c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, di_minor_name(minor)); 33517c478bd9Sstevel@tonic-gate 33527c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, devices_dir); 33537c478bd9Sstevel@tonic-gate (void) strcat(phy_path, lphy_path); 33547c478bd9Sstevel@tonic-gate 33557c478bd9Sstevel@tonic-gate lnode = node; 33567c478bd9Sstevel@tonic-gate lminor = minor; 33577c478bd9Sstevel@tonic-gate 33587c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "reset_node_permissions: phy_path=%s lphy_path=%s\n", 33597c478bd9Sstevel@tonic-gate phy_path, lphy_path); 33607c478bd9Sstevel@tonic-gate 33617c478bd9Sstevel@tonic-gate dev = di_minor_devt(minor); 33627c478bd9Sstevel@tonic-gate spectype = di_minor_spectype(minor); /* block or char */ 33637c478bd9Sstevel@tonic-gate 33647c478bd9Sstevel@tonic-gate getattr(phy_path, aminor, spectype, dev, &mode, &uid, &gid); 33657c478bd9Sstevel@tonic-gate 33667c478bd9Sstevel@tonic-gate /* 33677c478bd9Sstevel@tonic-gate * compare and set permissions and ownership 33687c478bd9Sstevel@tonic-gate * 33697c478bd9Sstevel@tonic-gate * Under devfs, a quick insertion and removal of USB devices 33707c478bd9Sstevel@tonic-gate * would cause stat of physical path to fail. In this case, 33717c478bd9Sstevel@tonic-gate * we emit a verbose message, but don't print errors. 33727c478bd9Sstevel@tonic-gate */ 33737c478bd9Sstevel@tonic-gate if ((stat(phy_path, &sb) == -1) || (sb.st_rdev != dev)) { 33747c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, NO_DEVFS_NODE, phy_path); 33757c478bd9Sstevel@tonic-gate return; 33767c478bd9Sstevel@tonic-gate } 33777c478bd9Sstevel@tonic-gate 33787c478bd9Sstevel@tonic-gate /* 3379*45916cd2Sjpk * If we are here for a new device 3380*45916cd2Sjpk * If device allocation is on 3381*45916cd2Sjpk * then 3382*45916cd2Sjpk * set ownership to root:other and permissions to 0000 3383*45916cd2Sjpk * else 3384*45916cd2Sjpk * set ownership and permissions as specified in minor_perm 3385*45916cd2Sjpk * If we are here for an existing device 3386*45916cd2Sjpk * If device allocation is to be turned on 3387*45916cd2Sjpk * then 3388*45916cd2Sjpk * reset ownership to root:other and permissions to 0000 3389*45916cd2Sjpk * else if device allocation is to be turned off 3390*45916cd2Sjpk * reset ownership and permissions to those specified in 3391*45916cd2Sjpk * minor_perm 3392*45916cd2Sjpk * else 3393*45916cd2Sjpk * preserve exsisting/user-modified ownership and 3394*45916cd2Sjpk * permissions 3395*45916cd2Sjpk * 3396*45916cd2Sjpk * devfs indicates a new device by faking access time to be zero. 33977c478bd9Sstevel@tonic-gate */ 3398*45916cd2Sjpk devalloc_is_on = da_is_on(); 33997c478bd9Sstevel@tonic-gate if (sb.st_atime != 0) { 34007c478bd9Sstevel@tonic-gate int i; 34017c478bd9Sstevel@tonic-gate char *nt; 34027c478bd9Sstevel@tonic-gate 3403*45916cd2Sjpk if ((devalloc_flag == 0) && (devalloc_is_on != 1)) 3404*45916cd2Sjpk /* 3405*45916cd2Sjpk * Leave existing devices as they are if we are not 3406*45916cd2Sjpk * turning device allocation on/off. 3407*45916cd2Sjpk */ 34087c478bd9Sstevel@tonic-gate return; 34097c478bd9Sstevel@tonic-gate 34107c478bd9Sstevel@tonic-gate nt = di_minor_nodetype(minor); 3411*45916cd2Sjpk 34127c478bd9Sstevel@tonic-gate if (nt == NULL) 34137c478bd9Sstevel@tonic-gate return; 3414*45916cd2Sjpk 3415*45916cd2Sjpk for (i = 0; devalloc_list[i]; i++) { 3416*45916cd2Sjpk if (strcmp(nt, devalloc_list[i]) == 0) 3417*45916cd2Sjpk /* 3418*45916cd2Sjpk * One of the types recognized by devalloc, 3419*45916cd2Sjpk * reset attrs. 3420*45916cd2Sjpk */ 34217c478bd9Sstevel@tonic-gate break; 34227c478bd9Sstevel@tonic-gate } 3423*45916cd2Sjpk if (devalloc_list[i] == NULL) 34247c478bd9Sstevel@tonic-gate return; 34257c478bd9Sstevel@tonic-gate } 34267c478bd9Sstevel@tonic-gate 34277c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 34287c478bd9Sstevel@tonic-gate /* Nothing more to do if simulating */ 34297c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 34307c478bd9Sstevel@tonic-gate return; 34317c478bd9Sstevel@tonic-gate } 34327c478bd9Sstevel@tonic-gate 3433*45916cd2Sjpk if ((devalloc_flag == DA_ON) || (devalloc_is_on == 1)) { 3434*45916cd2Sjpk /* 3435*45916cd2Sjpk * we are here either to turn device allocation on 3436*45916cd2Sjpk * or to add a new device while device allocation in on 3437*45916cd2Sjpk */ 3438*45916cd2Sjpk mode = DEALLOC_MODE; 3439*45916cd2Sjpk uid = DA_UID; 3440*45916cd2Sjpk gid = DA_GID; 3441*45916cd2Sjpk } 3442*45916cd2Sjpk 3443*45916cd2Sjpk if ((devalloc_is_on == 1) || (devalloc_flag == DA_ON) || 3444*45916cd2Sjpk (sb.st_mode != mode)) { 34457c478bd9Sstevel@tonic-gate if (chmod(phy_path, mode) == -1) 34467c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, 34477c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 34487c478bd9Sstevel@tonic-gate } 3449*45916cd2Sjpk if ((devalloc_is_on == 1) || (devalloc_flag == DA_ON) || 3450*45916cd2Sjpk (sb.st_uid != uid || sb.st_gid != gid)) { 34517c478bd9Sstevel@tonic-gate if (chown(phy_path, uid, gid) == -1) 34527c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, 34537c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 34547c478bd9Sstevel@tonic-gate } 34557c478bd9Sstevel@tonic-gate 34567c478bd9Sstevel@tonic-gate /* Report that we actually did something */ 34577c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 34587c478bd9Sstevel@tonic-gate } 34597c478bd9Sstevel@tonic-gate 34607c478bd9Sstevel@tonic-gate /* 34617c478bd9Sstevel@tonic-gate * Removes logical link and the minor node it refers to. If file is a 34627c478bd9Sstevel@tonic-gate * link, we recurse and try to remove the minor node (or link if path is 34637c478bd9Sstevel@tonic-gate * a double link) that file's link contents refer to. 34647c478bd9Sstevel@tonic-gate */ 34657c478bd9Sstevel@tonic-gate static void 34667c478bd9Sstevel@tonic-gate devfsadm_rm_work(char *file, int recurse, int file_type) 34677c478bd9Sstevel@tonic-gate { 34687c478bd9Sstevel@tonic-gate char *fcn = "devfsadm_rm_work: "; 34697c478bd9Sstevel@tonic-gate int linksize; 34707c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 34717c478bd9Sstevel@tonic-gate char nextfile[PATH_MAX + 1]; 34727c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 34737c478bd9Sstevel@tonic-gate char *ptr; 34747c478bd9Sstevel@tonic-gate 34757c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s\n", fcn, file); 34767c478bd9Sstevel@tonic-gate 34777c478bd9Sstevel@tonic-gate /* TYPE_LINK split into multiple if's due to excessive indentations */ 34787c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 34797c478bd9Sstevel@tonic-gate (void) strcpy(newfile, dev_dir); 34807c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 34817c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 34827c478bd9Sstevel@tonic-gate } 34837c478bd9Sstevel@tonic-gate 34847c478bd9Sstevel@tonic-gate if ((file_type == TYPE_LINK) && (recurse == TRUE) && 34857c478bd9Sstevel@tonic-gate ((linksize = readlink(newfile, contents, PATH_MAX)) > 0)) { 34867c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 34877c478bd9Sstevel@tonic-gate 34887c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_TRUE) { 34897c478bd9Sstevel@tonic-gate devfsadm_rm_work(++ptr, FALSE, TYPE_DEVICES); 34907c478bd9Sstevel@tonic-gate } else { 34917c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 34927c478bd9Sstevel@tonic-gate devfsadm_rm_work(&contents[strlen(DEV) + 1], 34937c478bd9Sstevel@tonic-gate TRUE, TYPE_LINK); 34947c478bd9Sstevel@tonic-gate } else { 34957c478bd9Sstevel@tonic-gate if ((ptr = strrchr(file, '/')) != NULL) { 34967c478bd9Sstevel@tonic-gate *ptr = '\0'; 34977c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, file); 34987c478bd9Sstevel@tonic-gate *ptr = '/'; 34997c478bd9Sstevel@tonic-gate (void) strcat(nextfile, "/"); 35007c478bd9Sstevel@tonic-gate } else { 35017c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, ""); 35027c478bd9Sstevel@tonic-gate } 35037c478bd9Sstevel@tonic-gate (void) strcat(nextfile, contents); 35047c478bd9Sstevel@tonic-gate devfsadm_rm_work(nextfile, TRUE, TYPE_LINK); 35057c478bd9Sstevel@tonic-gate } 35067c478bd9Sstevel@tonic-gate } 35077c478bd9Sstevel@tonic-gate } 35087c478bd9Sstevel@tonic-gate 35097c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 35107c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, DEVFSADM_UNLINK, newfile); 35117c478bd9Sstevel@tonic-gate if (file_mods == TRUE) { 35127c478bd9Sstevel@tonic-gate rm_link_from_cache(file); 35137c478bd9Sstevel@tonic-gate s_unlink(newfile); 35147c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(newfile); 35157c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 35167c478bd9Sstevel@tonic-gate (void) di_devlink_rm_link(devlink_cache, file); 35177c478bd9Sstevel@tonic-gate } 35187c478bd9Sstevel@tonic-gate } 35197c478bd9Sstevel@tonic-gate 35207c478bd9Sstevel@tonic-gate /* 35217c478bd9Sstevel@tonic-gate * Note: we don't remove /devices entries because they are 35227c478bd9Sstevel@tonic-gate * covered by devfs. 35237c478bd9Sstevel@tonic-gate */ 35247c478bd9Sstevel@tonic-gate } 35257c478bd9Sstevel@tonic-gate 35267c478bd9Sstevel@tonic-gate void 35277c478bd9Sstevel@tonic-gate devfsadm_rm_link(char *file) 35287c478bd9Sstevel@tonic-gate { 35297c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, FALSE, TYPE_LINK); 35307c478bd9Sstevel@tonic-gate } 35317c478bd9Sstevel@tonic-gate 35327c478bd9Sstevel@tonic-gate void 35337c478bd9Sstevel@tonic-gate devfsadm_rm_all(char *file) 35347c478bd9Sstevel@tonic-gate { 35357c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, TRUE, TYPE_LINK); 35367c478bd9Sstevel@tonic-gate } 35377c478bd9Sstevel@tonic-gate 35384bc0a2efScasper static int 35397c478bd9Sstevel@tonic-gate s_rmdir(char *path) 35407c478bd9Sstevel@tonic-gate { 35417c478bd9Sstevel@tonic-gate int i; 35427c478bd9Sstevel@tonic-gate char *rpath, *dir; 35437c478bd9Sstevel@tonic-gate const char *fcn = "s_rmdir"; 35447c478bd9Sstevel@tonic-gate 35457c478bd9Sstevel@tonic-gate /* 35467c478bd9Sstevel@tonic-gate * Certain directories are created at install time by packages. 35477c478bd9Sstevel@tonic-gate * Some of them (listed in packaged_dirs[]) are required by apps 35487c478bd9Sstevel@tonic-gate * and need to be present even when empty. 35497c478bd9Sstevel@tonic-gate */ 35507c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: checking if %s is packaged\n", fcn, path); 35517c478bd9Sstevel@tonic-gate 35527c478bd9Sstevel@tonic-gate rpath = path + strlen(dev_dir) + 1; 35537c478bd9Sstevel@tonic-gate 35547c478bd9Sstevel@tonic-gate for (i = 0; (dir = packaged_dirs[i]) != NULL; i++) { 35557c478bd9Sstevel@tonic-gate if (*rpath == *dir) { 35567c478bd9Sstevel@tonic-gate if (strcmp(rpath, dir) == 0) { 35577c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: skipping packaged dir: " 35587c478bd9Sstevel@tonic-gate "%s\n", fcn, path); 35594bc0a2efScasper errno = EEXIST; 35604bc0a2efScasper return (-1); 35617c478bd9Sstevel@tonic-gate } 35627c478bd9Sstevel@tonic-gate } 35637c478bd9Sstevel@tonic-gate } 35647c478bd9Sstevel@tonic-gate 35654bc0a2efScasper return (rmdir(path)); 35667c478bd9Sstevel@tonic-gate } 35677c478bd9Sstevel@tonic-gate 35687c478bd9Sstevel@tonic-gate /* 35697c478bd9Sstevel@tonic-gate * Try to remove any empty directories up the tree. It is assumed that 35707c478bd9Sstevel@tonic-gate * pathname is a file that was removed, so start with its parent, and 35717c478bd9Sstevel@tonic-gate * work up the tree. 35727c478bd9Sstevel@tonic-gate */ 35737c478bd9Sstevel@tonic-gate static void 35747c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(char *pathname) 35757c478bd9Sstevel@tonic-gate { 35767c478bd9Sstevel@tonic-gate char *ptr, path[PATH_MAX + 1]; 35777c478bd9Sstevel@tonic-gate char *fcn = "rm_parent_dir_if_empty: "; 35787c478bd9Sstevel@tonic-gate 35797c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%schecking %s if empty\n", fcn, pathname); 35807c478bd9Sstevel@tonic-gate 35817c478bd9Sstevel@tonic-gate (void) strcpy(path, pathname); 35827c478bd9Sstevel@tonic-gate 35837c478bd9Sstevel@tonic-gate /* 35847c478bd9Sstevel@tonic-gate * ascend up the dir tree, deleting all empty dirs. 35857c478bd9Sstevel@tonic-gate * Return immediately if a dir is not empty. 35867c478bd9Sstevel@tonic-gate */ 35877c478bd9Sstevel@tonic-gate for (;;) { 35887c478bd9Sstevel@tonic-gate 35897c478bd9Sstevel@tonic-gate if ((ptr = strrchr(path, '/')) == NULL) { 35907c478bd9Sstevel@tonic-gate return; 35917c478bd9Sstevel@tonic-gate } 35927c478bd9Sstevel@tonic-gate 35937c478bd9Sstevel@tonic-gate *ptr = '\0'; 35947c478bd9Sstevel@tonic-gate 35954bc0a2efScasper if (s_rmdir(path) == 0) { 35964bc0a2efScasper vprint(REMOVE_MID, "%sremoving empty dir %s\n", 35974bc0a2efScasper fcn, path); 35984bc0a2efScasper continue; 35997c478bd9Sstevel@tonic-gate } 36004bc0a2efScasper if (errno == EEXIST) { 36017c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sdir not empty: %s\n", fcn, path); 36027c478bd9Sstevel@tonic-gate return; 36037c478bd9Sstevel@tonic-gate } 36044bc0a2efScasper vprint(REMOVE_MID, "%s can't remove %s: %s\n", fcn, path, 36054bc0a2efScasper strerror(errno)); 36064bc0a2efScasper return; 36077c478bd9Sstevel@tonic-gate } 36087c478bd9Sstevel@tonic-gate } 36097c478bd9Sstevel@tonic-gate 36107c478bd9Sstevel@tonic-gate /* 36117c478bd9Sstevel@tonic-gate * This function and all the functions it calls below were added to 36127c478bd9Sstevel@tonic-gate * handle the unique problem with world wide names (WWN). The problem is 36137c478bd9Sstevel@tonic-gate * that if a WWN device is moved to another address on the same controller 36147c478bd9Sstevel@tonic-gate * its logical link will change, while the physical node remains the same. 36157c478bd9Sstevel@tonic-gate * The result is that two logical links will point to the same physical path 36167c478bd9Sstevel@tonic-gate * in /devices, the valid link and a stale link. This function will 36177c478bd9Sstevel@tonic-gate * find all the stale nodes, though at a significant performance cost. 36187c478bd9Sstevel@tonic-gate * 36197c478bd9Sstevel@tonic-gate * Caching is used to increase performance. 36207c478bd9Sstevel@tonic-gate * A cache will be built from disk if the cache tag doesn't already exist. 36217c478bd9Sstevel@tonic-gate * The cache tag is a regular expression "dir_re", which selects a 36227c478bd9Sstevel@tonic-gate * subset of disks to search from typically something like 36237c478bd9Sstevel@tonic-gate * "dev/cXt[0-9]+d[0-9]+s[0-9]+". After the cache is built, consistency must 36247c478bd9Sstevel@tonic-gate * be maintained, so entries are added as new links are created, and removed 36257c478bd9Sstevel@tonic-gate * as old links are deleted. The whole cache is flushed if we are a daemon, 36267c478bd9Sstevel@tonic-gate * and another devfsadm process ran in between. 36277c478bd9Sstevel@tonic-gate * 36287c478bd9Sstevel@tonic-gate * Once the cache is built, this function finds the cache which matches 36297c478bd9Sstevel@tonic-gate * dir_re, and then it searches all links in that cache looking for 36307c478bd9Sstevel@tonic-gate * any link whose contents match "valid_link_contents" with a corresponding link 36317c478bd9Sstevel@tonic-gate * which does not match "valid_link". Any such matches are stale and removed. 36327c478bd9Sstevel@tonic-gate */ 36337c478bd9Sstevel@tonic-gate void 36347c478bd9Sstevel@tonic-gate devfsadm_rm_stale_links(char *dir_re, char *valid_link, di_node_t node, 36357c478bd9Sstevel@tonic-gate di_minor_t minor) 36367c478bd9Sstevel@tonic-gate { 36377c478bd9Sstevel@tonic-gate link_t *link; 36387c478bd9Sstevel@tonic-gate linkhead_t *head; 36397c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 36407c478bd9Sstevel@tonic-gate char *valid_link_contents; 36417c478bd9Sstevel@tonic-gate char *dev_path; 36427c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 36437c478bd9Sstevel@tonic-gate 36447c478bd9Sstevel@tonic-gate /* 36457c478bd9Sstevel@tonic-gate * try to use devices path 36467c478bd9Sstevel@tonic-gate */ 36477c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 36487c478bd9Sstevel@tonic-gate valid_link_contents = lphy_path; 36497c478bd9Sstevel@tonic-gate } else { 36507c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 36517c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 36527c478bd9Sstevel@tonic-gate devfsadm_exit(1); 36537c478bd9Sstevel@tonic-gate } 36547c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, dev_path); 36557c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 36567c478bd9Sstevel@tonic-gate 36577c478bd9Sstevel@tonic-gate (void) strcat(phy_path, ":"); 36587c478bd9Sstevel@tonic-gate (void) strcat(phy_path, di_minor_name(minor)); 36597c478bd9Sstevel@tonic-gate valid_link_contents = phy_path; 36607c478bd9Sstevel@tonic-gate } 36617c478bd9Sstevel@tonic-gate 36627c478bd9Sstevel@tonic-gate /* 36637c478bd9Sstevel@tonic-gate * As an optimization, check to make sure the corresponding 36647c478bd9Sstevel@tonic-gate * devlink was just created before continuing. 36657c478bd9Sstevel@tonic-gate */ 36667c478bd9Sstevel@tonic-gate 36677c478bd9Sstevel@tonic-gate if (linknew == FALSE) { 36687c478bd9Sstevel@tonic-gate return; 36697c478bd9Sstevel@tonic-gate } 36707c478bd9Sstevel@tonic-gate 36717c478bd9Sstevel@tonic-gate head = get_cached_links(dir_re); 36727c478bd9Sstevel@tonic-gate 36737c478bd9Sstevel@tonic-gate assert(head->nextlink == NULL); 36747c478bd9Sstevel@tonic-gate 36757c478bd9Sstevel@tonic-gate for (link = head->link; link != NULL; link = head->nextlink) { 36767c478bd9Sstevel@tonic-gate /* 36777c478bd9Sstevel@tonic-gate * See hot_cleanup() for why we do this 36787c478bd9Sstevel@tonic-gate */ 36797c478bd9Sstevel@tonic-gate head->nextlink = link->next; 36807c478bd9Sstevel@tonic-gate if ((strcmp(link->contents, valid_link_contents) == 0) && 36817c478bd9Sstevel@tonic-gate (strcmp(link->devlink, valid_link) != 0)) { 36827c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "removing %s -> %s\n" 36837c478bd9Sstevel@tonic-gate "valid link is: %s -> %s\n", 36847c478bd9Sstevel@tonic-gate link->devlink, link->contents, 36857c478bd9Sstevel@tonic-gate valid_link, valid_link_contents); 36867c478bd9Sstevel@tonic-gate /* 36877c478bd9Sstevel@tonic-gate * Use a copy of the cached link name as the 36887c478bd9Sstevel@tonic-gate * cache entry will go away during link removal 36897c478bd9Sstevel@tonic-gate */ 36907c478bd9Sstevel@tonic-gate (void) snprintf(rmlink, sizeof (rmlink), "%s", 36917c478bd9Sstevel@tonic-gate link->devlink); 36927c478bd9Sstevel@tonic-gate devfsadm_rm_link(rmlink); 36937c478bd9Sstevel@tonic-gate } 36947c478bd9Sstevel@tonic-gate } 36957c478bd9Sstevel@tonic-gate } 36967c478bd9Sstevel@tonic-gate 36977c478bd9Sstevel@tonic-gate /* 36987c478bd9Sstevel@tonic-gate * Return previously created cache, or create cache. 36997c478bd9Sstevel@tonic-gate */ 37007c478bd9Sstevel@tonic-gate static linkhead_t * 37017c478bd9Sstevel@tonic-gate get_cached_links(char *dir_re) 37027c478bd9Sstevel@tonic-gate { 37037c478bd9Sstevel@tonic-gate recurse_dev_t rd; 37047c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 37057c478bd9Sstevel@tonic-gate int n; 37067c478bd9Sstevel@tonic-gate 37077c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: %s\n", dir_re); 37087c478bd9Sstevel@tonic-gate 37097c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 37107c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 37117c478bd9Sstevel@tonic-gate if (strcmp(linkhead->dir_re, dir_re) == 0) { 37127c478bd9Sstevel@tonic-gate return (linkhead); 37137c478bd9Sstevel@tonic-gate } 37147c478bd9Sstevel@tonic-gate } 37157c478bd9Sstevel@tonic-gate 37167c478bd9Sstevel@tonic-gate /* 37177c478bd9Sstevel@tonic-gate * This tag is not in cache, so add it, along with all its 37187c478bd9Sstevel@tonic-gate * matching /dev entries. This is the only time we go to disk. 37197c478bd9Sstevel@tonic-gate */ 37207c478bd9Sstevel@tonic-gate linkhead = s_malloc(sizeof (linkhead_t)); 37217c478bd9Sstevel@tonic-gate linkhead->nexthead = headlinkhead; 37227c478bd9Sstevel@tonic-gate headlinkhead = linkhead; 37237c478bd9Sstevel@tonic-gate linkhead->dir_re = s_strdup(dir_re); 37247c478bd9Sstevel@tonic-gate 37257c478bd9Sstevel@tonic-gate if ((n = regcomp(&(linkhead->dir_re_compiled), dir_re, 37267c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 37277c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, dir_re, n); 37287c478bd9Sstevel@tonic-gate } 37297c478bd9Sstevel@tonic-gate 37307c478bd9Sstevel@tonic-gate linkhead->nextlink = NULL; 37317c478bd9Sstevel@tonic-gate linkhead->link = NULL; 37327c478bd9Sstevel@tonic-gate 37337c478bd9Sstevel@tonic-gate rd.fcn = build_devlink_list; 37347c478bd9Sstevel@tonic-gate rd.data = (void *)linkhead; 37357c478bd9Sstevel@tonic-gate 37367c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: calling recurse_dev_re\n"); 37377c478bd9Sstevel@tonic-gate 37387c478bd9Sstevel@tonic-gate /* call build_devlink_list for each directory in the dir_re RE */ 37397c478bd9Sstevel@tonic-gate if (dir_re[0] == '/') { 37407c478bd9Sstevel@tonic-gate recurse_dev_re("/", &dir_re[1], &rd); 37417c478bd9Sstevel@tonic-gate } else { 37427c478bd9Sstevel@tonic-gate recurse_dev_re(dev_dir, dir_re, &rd); 37437c478bd9Sstevel@tonic-gate } 37447c478bd9Sstevel@tonic-gate 37457c478bd9Sstevel@tonic-gate return (linkhead); 37467c478bd9Sstevel@tonic-gate } 37477c478bd9Sstevel@tonic-gate 37487c478bd9Sstevel@tonic-gate static void 37497c478bd9Sstevel@tonic-gate build_devlink_list(char *devlink, void *data) 37507c478bd9Sstevel@tonic-gate { 37517c478bd9Sstevel@tonic-gate char *fcn = "build_devlink_list: "; 37527c478bd9Sstevel@tonic-gate char *ptr; 37537c478bd9Sstevel@tonic-gate char *r_contents; 37547c478bd9Sstevel@tonic-gate char *r_devlink; 37557c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 37567c478bd9Sstevel@tonic-gate char newlink[PATH_MAX + 1]; 37577c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 37587c478bd9Sstevel@tonic-gate int linksize; 37597c478bd9Sstevel@tonic-gate linkhead_t *linkhead = (linkhead_t *)data; 37607c478bd9Sstevel@tonic-gate link_t *link; 37617c478bd9Sstevel@tonic-gate int i = 0; 37627c478bd9Sstevel@tonic-gate 37637c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scheck_link: %s\n", fcn, devlink); 37647c478bd9Sstevel@tonic-gate 37657c478bd9Sstevel@tonic-gate (void) strcpy(newlink, devlink); 37667c478bd9Sstevel@tonic-gate 37677c478bd9Sstevel@tonic-gate do { 37687c478bd9Sstevel@tonic-gate linksize = readlink(newlink, contents, PATH_MAX); 37697c478bd9Sstevel@tonic-gate if (linksize <= 0) { 37707c478bd9Sstevel@tonic-gate /* 37717c478bd9Sstevel@tonic-gate * The first pass through the do loop we may readlink() 37727c478bd9Sstevel@tonic-gate * non-symlink files(EINVAL) from false regexec matches. 37737c478bd9Sstevel@tonic-gate * Suppress error messages in those cases or if the link 37747c478bd9Sstevel@tonic-gate * content is the empty string. 37757c478bd9Sstevel@tonic-gate */ 37767c478bd9Sstevel@tonic-gate if (linksize < 0 && (i || errno != EINVAL)) 37777c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, "build_devlink_list", 37787c478bd9Sstevel@tonic-gate newlink, strerror(errno)); 37797c478bd9Sstevel@tonic-gate return; 37807c478bd9Sstevel@tonic-gate } 37817c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 37827c478bd9Sstevel@tonic-gate i = 1; 37837c478bd9Sstevel@tonic-gate 37847c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &r_contents) == DEVFSADM_FALSE) { 37857c478bd9Sstevel@tonic-gate /* 37867c478bd9Sstevel@tonic-gate * assume that link contents is really a pointer to 37877c478bd9Sstevel@tonic-gate * another link, so recurse and read its link contents. 37887c478bd9Sstevel@tonic-gate * 37897c478bd9Sstevel@tonic-gate * some link contents are absolute: 37907c478bd9Sstevel@tonic-gate * /dev/audio -> /dev/sound/0 37917c478bd9Sstevel@tonic-gate */ 37927c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", 37937c478bd9Sstevel@tonic-gate strlen(DEV) + strlen("/")) != 0) { 37947c478bd9Sstevel@tonic-gate 37957c478bd9Sstevel@tonic-gate if ((ptr = strrchr(newlink, '/')) == NULL) { 37967c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid " 37977c478bd9Sstevel@tonic-gate "link. missing '/'\n", fcn, 37987c478bd9Sstevel@tonic-gate newlink, contents); 37997c478bd9Sstevel@tonic-gate return; 38007c478bd9Sstevel@tonic-gate } 38017c478bd9Sstevel@tonic-gate *ptr = '\0'; 38027c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, newlink); 38037c478bd9Sstevel@tonic-gate *ptr = '/'; 38047c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 38057c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 38067c478bd9Sstevel@tonic-gate (void) strcpy(newlink, stage_link); 38077c478bd9Sstevel@tonic-gate } else { 38087c478bd9Sstevel@tonic-gate (void) strcpy(newlink, dev_dir); 38097c478bd9Sstevel@tonic-gate (void) strcat(newlink, "/"); 38107c478bd9Sstevel@tonic-gate (void) strcat(newlink, 38117c478bd9Sstevel@tonic-gate &contents[strlen(DEV) + strlen("/")]); 38127c478bd9Sstevel@tonic-gate } 38137c478bd9Sstevel@tonic-gate 38147c478bd9Sstevel@tonic-gate } else { 38157c478bd9Sstevel@tonic-gate newlink[0] = '\0'; 38167c478bd9Sstevel@tonic-gate } 38177c478bd9Sstevel@tonic-gate } while (newlink[0] != '\0'); 38187c478bd9Sstevel@tonic-gate 38197c478bd9Sstevel@tonic-gate if (strncmp(devlink, dev_dir, strlen(dev_dir)) != 0) { 38207c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%sinvalid link: %s\n", fcn, devlink); 38217c478bd9Sstevel@tonic-gate return; 38227c478bd9Sstevel@tonic-gate } 38237c478bd9Sstevel@tonic-gate 38247c478bd9Sstevel@tonic-gate r_devlink = devlink + strlen(dev_dir); 38257c478bd9Sstevel@tonic-gate 38267c478bd9Sstevel@tonic-gate if (r_devlink[0] != '/') 38277c478bd9Sstevel@tonic-gate return; 38287c478bd9Sstevel@tonic-gate 38297c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 38307c478bd9Sstevel@tonic-gate 38317c478bd9Sstevel@tonic-gate /* don't store the '/' after rootdir/dev */ 38327c478bd9Sstevel@tonic-gate r_devlink += 1; 38337c478bd9Sstevel@tonic-gate 38347c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scaching link: %s\n", fcn, r_devlink); 38357c478bd9Sstevel@tonic-gate link->devlink = s_strdup(r_devlink); 38367c478bd9Sstevel@tonic-gate 38377c478bd9Sstevel@tonic-gate link->contents = s_strdup(r_contents); 38387c478bd9Sstevel@tonic-gate 38397c478bd9Sstevel@tonic-gate link->next = linkhead->link; 38407c478bd9Sstevel@tonic-gate linkhead->link = link; 38417c478bd9Sstevel@tonic-gate } 38427c478bd9Sstevel@tonic-gate 38437c478bd9Sstevel@tonic-gate /* 38447c478bd9Sstevel@tonic-gate * to be consistent, devlink must not begin with / and must be 38457c478bd9Sstevel@tonic-gate * relative to /dev/, whereas physpath must contain / and be 38467c478bd9Sstevel@tonic-gate * relative to /devices. 38477c478bd9Sstevel@tonic-gate */ 38487c478bd9Sstevel@tonic-gate static void 38497c478bd9Sstevel@tonic-gate add_link_to_cache(char *devlink, char *physpath) 38507c478bd9Sstevel@tonic-gate { 38517c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 38527c478bd9Sstevel@tonic-gate link_t *link; 38537c478bd9Sstevel@tonic-gate int added = 0; 38547c478bd9Sstevel@tonic-gate 38557c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 38567c478bd9Sstevel@tonic-gate return; 38577c478bd9Sstevel@tonic-gate } 38587c478bd9Sstevel@tonic-gate 38597c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "add_link_to_cache: %s -> %s ", 38607c478bd9Sstevel@tonic-gate devlink, physpath); 38617c478bd9Sstevel@tonic-gate 38627c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 38637c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 38647c478bd9Sstevel@tonic-gate if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 38657c478bd9Sstevel@tonic-gate 0) == 0) { 38667c478bd9Sstevel@tonic-gate added++; 38677c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 38687c478bd9Sstevel@tonic-gate link->devlink = s_strdup(devlink); 38697c478bd9Sstevel@tonic-gate link->contents = s_strdup(physpath); 38707c478bd9Sstevel@tonic-gate link->next = linkhead->link; 38717c478bd9Sstevel@tonic-gate linkhead->link = link; 38727c478bd9Sstevel@tonic-gate } 38737c478bd9Sstevel@tonic-gate } 38747c478bd9Sstevel@tonic-gate 38757c478bd9Sstevel@tonic-gate vprint(CACHE_MID, 38767c478bd9Sstevel@tonic-gate " %d %s\n", added, added == 0 ? "NOT ADDED" : "ADDED"); 38777c478bd9Sstevel@tonic-gate } 38787c478bd9Sstevel@tonic-gate 38797c478bd9Sstevel@tonic-gate /* 38807c478bd9Sstevel@tonic-gate * Remove devlink from cache. Devlink must be relative to /dev/ and not start 38817c478bd9Sstevel@tonic-gate * with /. 38827c478bd9Sstevel@tonic-gate */ 38837c478bd9Sstevel@tonic-gate static void 38847c478bd9Sstevel@tonic-gate rm_link_from_cache(char *devlink) 38857c478bd9Sstevel@tonic-gate { 38867c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 38877c478bd9Sstevel@tonic-gate link_t **linkp; 38887c478bd9Sstevel@tonic-gate link_t *save; 38897c478bd9Sstevel@tonic-gate 38907c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_link_from_cache enter: %s\n", devlink); 38917c478bd9Sstevel@tonic-gate 38927c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 38937c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 38947c478bd9Sstevel@tonic-gate if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 38957c478bd9Sstevel@tonic-gate 0) == 0) { 38967c478bd9Sstevel@tonic-gate 38977c478bd9Sstevel@tonic-gate for (linkp = &(linkhead->link); *linkp != NULL; ) { 38987c478bd9Sstevel@tonic-gate if ((strcmp((*linkp)->devlink, devlink) == 0)) { 38997c478bd9Sstevel@tonic-gate save = *linkp; 39007c478bd9Sstevel@tonic-gate *linkp = (*linkp)->next; 39017c478bd9Sstevel@tonic-gate /* 39027c478bd9Sstevel@tonic-gate * We are removing our caller's 39037c478bd9Sstevel@tonic-gate * "next" link. Update the nextlink 39047c478bd9Sstevel@tonic-gate * field in the head so that our 39057c478bd9Sstevel@tonic-gate * callers accesses the next valid 39067c478bd9Sstevel@tonic-gate * link 39077c478bd9Sstevel@tonic-gate */ 39087c478bd9Sstevel@tonic-gate if (linkhead->nextlink == save) 39097c478bd9Sstevel@tonic-gate linkhead->nextlink = *linkp; 39107c478bd9Sstevel@tonic-gate free(save->devlink); 39117c478bd9Sstevel@tonic-gate free(save->contents); 39127c478bd9Sstevel@tonic-gate free(save); 39137c478bd9Sstevel@tonic-gate vprint(CACHE_MID, " %s FREED FROM " 39147c478bd9Sstevel@tonic-gate "CACHE\n", devlink); 39157c478bd9Sstevel@tonic-gate } else { 39167c478bd9Sstevel@tonic-gate linkp = &((*linkp)->next); 39177c478bd9Sstevel@tonic-gate } 39187c478bd9Sstevel@tonic-gate } 39197c478bd9Sstevel@tonic-gate } 39207c478bd9Sstevel@tonic-gate } 39217c478bd9Sstevel@tonic-gate } 39227c478bd9Sstevel@tonic-gate 39237c478bd9Sstevel@tonic-gate static void 39247c478bd9Sstevel@tonic-gate rm_all_links_from_cache() 39257c478bd9Sstevel@tonic-gate { 39267c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 39277c478bd9Sstevel@tonic-gate linkhead_t *nextlinkhead; 39287c478bd9Sstevel@tonic-gate link_t *link; 39297c478bd9Sstevel@tonic-gate link_t *nextlink; 39307c478bd9Sstevel@tonic-gate 39317c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_all_links_from_cache\n"); 39327c478bd9Sstevel@tonic-gate 39337c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 39347c478bd9Sstevel@tonic-gate linkhead = nextlinkhead) { 39357c478bd9Sstevel@tonic-gate 39367c478bd9Sstevel@tonic-gate nextlinkhead = linkhead->nexthead; 39377c478bd9Sstevel@tonic-gate assert(linkhead->nextlink == NULL); 39387c478bd9Sstevel@tonic-gate for (link = linkhead->link; link != NULL; link = nextlink) { 39397c478bd9Sstevel@tonic-gate nextlink = link->next; 39407c478bd9Sstevel@tonic-gate free(link->devlink); 39417c478bd9Sstevel@tonic-gate free(link->contents); 39427c478bd9Sstevel@tonic-gate free(link); 39437c478bd9Sstevel@tonic-gate } 39447c478bd9Sstevel@tonic-gate regfree(&(linkhead->dir_re_compiled)); 39457c478bd9Sstevel@tonic-gate free(linkhead->dir_re); 39467c478bd9Sstevel@tonic-gate free(linkhead); 39477c478bd9Sstevel@tonic-gate } 39487c478bd9Sstevel@tonic-gate headlinkhead = NULL; 39497c478bd9Sstevel@tonic-gate } 39507c478bd9Sstevel@tonic-gate 39517c478bd9Sstevel@tonic-gate /* 39527c478bd9Sstevel@tonic-gate * Called when the kernel has modified the incore path_to_inst data. This 39537c478bd9Sstevel@tonic-gate * function will schedule a flush of the data to the filesystem. 39547c478bd9Sstevel@tonic-gate */ 39557c478bd9Sstevel@tonic-gate static void 39567c478bd9Sstevel@tonic-gate devfs_instance_mod(void) 39577c478bd9Sstevel@tonic-gate { 39587c478bd9Sstevel@tonic-gate char *fcn = "devfs_instance_mod: "; 39597c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "%senter\n", fcn); 39607c478bd9Sstevel@tonic-gate 39617c478bd9Sstevel@tonic-gate /* signal instance thread */ 39627c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 39637c478bd9Sstevel@tonic-gate inst_count++; 39647c478bd9Sstevel@tonic-gate (void) cond_signal(&cv); 39657c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 39667c478bd9Sstevel@tonic-gate } 39677c478bd9Sstevel@tonic-gate 39687c478bd9Sstevel@tonic-gate static void 39697c478bd9Sstevel@tonic-gate instance_flush_thread(void) 39707c478bd9Sstevel@tonic-gate { 39717c478bd9Sstevel@tonic-gate int i; 39727c478bd9Sstevel@tonic-gate int idle; 39737c478bd9Sstevel@tonic-gate 39747c478bd9Sstevel@tonic-gate for (;;) { 39757c478bd9Sstevel@tonic-gate 39767c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 39777c478bd9Sstevel@tonic-gate while (inst_count == 0) { 39787c478bd9Sstevel@tonic-gate (void) cond_wait(&cv, &count_lock); 39797c478bd9Sstevel@tonic-gate } 39807c478bd9Sstevel@tonic-gate inst_count = 0; 39817c478bd9Sstevel@tonic-gate 39827c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "signaled to flush path_to_inst." 39837c478bd9Sstevel@tonic-gate " Enter delay loop\n"); 39847c478bd9Sstevel@tonic-gate /* 39857c478bd9Sstevel@tonic-gate * Wait MAX_IDLE_DELAY seconds after getting the last flush 39867c478bd9Sstevel@tonic-gate * path_to_inst event before invoking a flush, but never wait 39877c478bd9Sstevel@tonic-gate * more than MAX_DELAY seconds after getting the first event. 39887c478bd9Sstevel@tonic-gate */ 39897c478bd9Sstevel@tonic-gate for (idle = 0, i = 0; i < MAX_DELAY; i++) { 39907c478bd9Sstevel@tonic-gate 39917c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 39927c478bd9Sstevel@tonic-gate (void) sleep(1); 39937c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 39947c478bd9Sstevel@tonic-gate 39957c478bd9Sstevel@tonic-gate /* shorten the delay if we are idle */ 39967c478bd9Sstevel@tonic-gate if (inst_count == 0) { 39977c478bd9Sstevel@tonic-gate idle++; 39987c478bd9Sstevel@tonic-gate if (idle > MAX_IDLE_DELAY) { 39997c478bd9Sstevel@tonic-gate break; 40007c478bd9Sstevel@tonic-gate } 40017c478bd9Sstevel@tonic-gate } else { 40027c478bd9Sstevel@tonic-gate inst_count = idle = 0; 40037c478bd9Sstevel@tonic-gate } 40047c478bd9Sstevel@tonic-gate } 40057c478bd9Sstevel@tonic-gate 40067c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 40077c478bd9Sstevel@tonic-gate 40087c478bd9Sstevel@tonic-gate flush_path_to_inst(); 40097c478bd9Sstevel@tonic-gate } 40107c478bd9Sstevel@tonic-gate } 40117c478bd9Sstevel@tonic-gate 40127c478bd9Sstevel@tonic-gate /* 40137c478bd9Sstevel@tonic-gate * Helper function for flush_path_to_inst() below; this routine calls the 40147c478bd9Sstevel@tonic-gate * inst_sync syscall to flush the path_to_inst database to the given file. 40157c478bd9Sstevel@tonic-gate */ 40167c478bd9Sstevel@tonic-gate static int 40177c478bd9Sstevel@tonic-gate do_inst_sync(char *filename) 40187c478bd9Sstevel@tonic-gate { 40197c478bd9Sstevel@tonic-gate void (*sigsaved)(int); 40207c478bd9Sstevel@tonic-gate int err = 0; 40217c478bd9Sstevel@tonic-gate 40227c478bd9Sstevel@tonic-gate vprint(INSTSYNC_MID, "do_inst_sync: about to flush %s\n", filename); 40237c478bd9Sstevel@tonic-gate sigsaved = sigset(SIGSYS, SIG_IGN); 40247c478bd9Sstevel@tonic-gate if (inst_sync(filename, 0) == -1) 40257c478bd9Sstevel@tonic-gate err = errno; 40267c478bd9Sstevel@tonic-gate (void) sigset(SIGSYS, sigsaved); 40277c478bd9Sstevel@tonic-gate 40287c478bd9Sstevel@tonic-gate switch (err) { 40297c478bd9Sstevel@tonic-gate case 0: 40307c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 40317c478bd9Sstevel@tonic-gate case EALREADY: /* no-op, path_to_inst already up to date */ 40327c478bd9Sstevel@tonic-gate return (EALREADY); 40337c478bd9Sstevel@tonic-gate case ENOSYS: 40347c478bd9Sstevel@tonic-gate err_print(CANT_LOAD_SYSCALL); 40357c478bd9Sstevel@tonic-gate break; 40367c478bd9Sstevel@tonic-gate case EPERM: 40377c478bd9Sstevel@tonic-gate err_print(SUPER_TO_SYNC); 40387c478bd9Sstevel@tonic-gate break; 40397c478bd9Sstevel@tonic-gate default: 40407c478bd9Sstevel@tonic-gate err_print(INSTSYNC_FAILED, filename, strerror(err)); 40417c478bd9Sstevel@tonic-gate break; 40427c478bd9Sstevel@tonic-gate } 40437c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40447c478bd9Sstevel@tonic-gate } 40457c478bd9Sstevel@tonic-gate 40467c478bd9Sstevel@tonic-gate /* 40477c478bd9Sstevel@tonic-gate * Flush the kernel's path_to_inst database to /etc/path_to_inst. To do so 40487c478bd9Sstevel@tonic-gate * safely, the database is flushed to a temporary file, then moved into place. 40497c478bd9Sstevel@tonic-gate * 40507c478bd9Sstevel@tonic-gate * The following files are used during this process: 40517c478bd9Sstevel@tonic-gate * /etc/path_to_inst: The path_to_inst file 40527c478bd9Sstevel@tonic-gate * /etc/path_to_inst.<pid>: Contains data flushed from the kernel 40537c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old: The backup file 40547c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old.<pid>: Temp file for creating backup 40557c478bd9Sstevel@tonic-gate * 40567c478bd9Sstevel@tonic-gate */ 40577c478bd9Sstevel@tonic-gate static void 40587c478bd9Sstevel@tonic-gate flush_path_to_inst(void) 40597c478bd9Sstevel@tonic-gate { 40607c478bd9Sstevel@tonic-gate char *new_inst_file = NULL; 40617c478bd9Sstevel@tonic-gate char *old_inst_file = NULL; 40627c478bd9Sstevel@tonic-gate char *old_inst_file_npid = NULL; 40637c478bd9Sstevel@tonic-gate FILE *inst_file_fp = NULL; 40647c478bd9Sstevel@tonic-gate FILE *old_inst_file_fp = NULL; 40657c478bd9Sstevel@tonic-gate struct stat sb; 40667c478bd9Sstevel@tonic-gate int err = 0; 40677c478bd9Sstevel@tonic-gate int c; 40687c478bd9Sstevel@tonic-gate int inst_strlen; 40697c478bd9Sstevel@tonic-gate 40707c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "flush_path_to_inst: %s\n", 40717c478bd9Sstevel@tonic-gate (flush_path_to_inst_enable == TRUE) ? "ENABLED" : "DISABLED"); 40727c478bd9Sstevel@tonic-gate 40737c478bd9Sstevel@tonic-gate if (flush_path_to_inst_enable == FALSE) { 40747c478bd9Sstevel@tonic-gate return; 40757c478bd9Sstevel@tonic-gate } 40767c478bd9Sstevel@tonic-gate 40777c478bd9Sstevel@tonic-gate inst_strlen = strlen(inst_file); 40787c478bd9Sstevel@tonic-gate new_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 2); 40797c478bd9Sstevel@tonic-gate old_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 6); 40807c478bd9Sstevel@tonic-gate old_inst_file_npid = s_malloc(inst_strlen + 40817c478bd9Sstevel@tonic-gate sizeof (INSTANCE_FILE_SUFFIX)); 40827c478bd9Sstevel@tonic-gate 40837c478bd9Sstevel@tonic-gate (void) snprintf(new_inst_file, inst_strlen + PID_STR_LEN + 2, 40847c478bd9Sstevel@tonic-gate "%s.%ld", inst_file, getpid()); 40857c478bd9Sstevel@tonic-gate 40867c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 40877c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 40887c478bd9Sstevel@tonic-gate } 40897c478bd9Sstevel@tonic-gate 40907c478bd9Sstevel@tonic-gate if ((err = do_inst_sync(new_inst_file)) != DEVFSADM_SUCCESS) { 40917c478bd9Sstevel@tonic-gate goto out; 40927c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 40937c478bd9Sstevel@tonic-gate } 40947c478bd9Sstevel@tonic-gate 40957c478bd9Sstevel@tonic-gate /* 40967c478bd9Sstevel@tonic-gate * Now we deal with the somewhat tricky updating and renaming 40977c478bd9Sstevel@tonic-gate * of this critical piece of kernel state. 40987c478bd9Sstevel@tonic-gate */ 40997c478bd9Sstevel@tonic-gate 41007c478bd9Sstevel@tonic-gate /* 41017c478bd9Sstevel@tonic-gate * Copy the current instance file into a temporary file. 41027c478bd9Sstevel@tonic-gate * Then rename the temporary file into the backup (.old) 41037c478bd9Sstevel@tonic-gate * file and rename the newly flushed kernel data into 41047c478bd9Sstevel@tonic-gate * the instance file. 41057c478bd9Sstevel@tonic-gate * Of course if 'inst_file' doesn't exist, there's much 41067c478bd9Sstevel@tonic-gate * less for us to do .. tee hee. 41077c478bd9Sstevel@tonic-gate */ 41087c478bd9Sstevel@tonic-gate if ((inst_file_fp = fopen(inst_file, "r")) == NULL) { 41097c478bd9Sstevel@tonic-gate /* 41107c478bd9Sstevel@tonic-gate * No such file. Rename the new onto the old 41117c478bd9Sstevel@tonic-gate */ 41127c478bd9Sstevel@tonic-gate if ((err = rename(new_inst_file, inst_file)) != 0) 41137c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 41147c478bd9Sstevel@tonic-gate goto out; 41157c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 41167c478bd9Sstevel@tonic-gate } 41177c478bd9Sstevel@tonic-gate 41187c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file, inst_strlen + PID_STR_LEN + 6, 41197c478bd9Sstevel@tonic-gate "%s.old.%ld", inst_file, getpid()); 41207c478bd9Sstevel@tonic-gate 41217c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 41227c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 41237c478bd9Sstevel@tonic-gate } 41247c478bd9Sstevel@tonic-gate 41257c478bd9Sstevel@tonic-gate if ((old_inst_file_fp = fopen(old_inst_file, "w")) == NULL) { 41267c478bd9Sstevel@tonic-gate /* 41277c478bd9Sstevel@tonic-gate * Can't open the 'old_inst_file' file for writing. 41287c478bd9Sstevel@tonic-gate * This is somewhat strange given that the syscall 41297c478bd9Sstevel@tonic-gate * just succeeded to write a file out.. hmm.. maybe 41307c478bd9Sstevel@tonic-gate * the fs just filled up or something nasty. 41317c478bd9Sstevel@tonic-gate * 41327c478bd9Sstevel@tonic-gate * Anyway, abort what we've done so far. 41337c478bd9Sstevel@tonic-gate */ 41347c478bd9Sstevel@tonic-gate err_print(CANT_UPDATE, old_inst_file); 41357c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 41367c478bd9Sstevel@tonic-gate goto out; 41377c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 41387c478bd9Sstevel@tonic-gate } 41397c478bd9Sstevel@tonic-gate 41407c478bd9Sstevel@tonic-gate /* 41417c478bd9Sstevel@tonic-gate * Copy current instance file into the temporary file 41427c478bd9Sstevel@tonic-gate */ 41437c478bd9Sstevel@tonic-gate err = 0; 41447c478bd9Sstevel@tonic-gate while ((c = getc(inst_file_fp)) != EOF) { 41457c478bd9Sstevel@tonic-gate if ((err = putc(c, old_inst_file_fp)) == EOF) { 41467c478bd9Sstevel@tonic-gate break; 41477c478bd9Sstevel@tonic-gate } 41487c478bd9Sstevel@tonic-gate } 41497c478bd9Sstevel@tonic-gate 41507c478bd9Sstevel@tonic-gate if (fclose(old_inst_file_fp) == EOF || err == EOF) { 41517c478bd9Sstevel@tonic-gate vprint(INFO_MID, CANT_UPDATE, old_inst_file); 41527c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 41537c478bd9Sstevel@tonic-gate goto out; 41547c478bd9Sstevel@tonic-gate /* NOTREACHED */ 41557c478bd9Sstevel@tonic-gate } 41567c478bd9Sstevel@tonic-gate 41577c478bd9Sstevel@tonic-gate /* 41587c478bd9Sstevel@tonic-gate * Set permissions to be the same on the backup as 41597c478bd9Sstevel@tonic-gate * /etc/path_to_inst. 41607c478bd9Sstevel@tonic-gate */ 41617c478bd9Sstevel@tonic-gate (void) chmod(old_inst_file, 0444); 41627c478bd9Sstevel@tonic-gate 41637c478bd9Sstevel@tonic-gate /* 41647c478bd9Sstevel@tonic-gate * So far, everything we've done is more or less reversible. 41657c478bd9Sstevel@tonic-gate * But now we're going to commit ourselves. 41667c478bd9Sstevel@tonic-gate */ 41677c478bd9Sstevel@tonic-gate 41687c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file_npid, 41697c478bd9Sstevel@tonic-gate inst_strlen + sizeof (INSTANCE_FILE_SUFFIX), 41707c478bd9Sstevel@tonic-gate "%s%s", inst_file, INSTANCE_FILE_SUFFIX); 41717c478bd9Sstevel@tonic-gate 41727c478bd9Sstevel@tonic-gate if ((err = rename(old_inst_file, old_inst_file_npid)) != 0) { 41737c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, old_inst_file_npid, 41747c478bd9Sstevel@tonic-gate strerror(errno)); 41757c478bd9Sstevel@tonic-gate } else if ((err = rename(new_inst_file, inst_file)) != 0) { 41767c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 41777c478bd9Sstevel@tonic-gate } 41787c478bd9Sstevel@tonic-gate 41797c478bd9Sstevel@tonic-gate out: 41807c478bd9Sstevel@tonic-gate if (inst_file_fp != NULL) { 41817c478bd9Sstevel@tonic-gate if (fclose(inst_file_fp) == EOF) { 41827c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, inst_file, strerror(errno)); 41837c478bd9Sstevel@tonic-gate } 41847c478bd9Sstevel@tonic-gate } 41857c478bd9Sstevel@tonic-gate 41867c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 41877c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 41887c478bd9Sstevel@tonic-gate } 41897c478bd9Sstevel@tonic-gate free(new_inst_file); 41907c478bd9Sstevel@tonic-gate 41917c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 41927c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 41937c478bd9Sstevel@tonic-gate } 41947c478bd9Sstevel@tonic-gate free(old_inst_file); 41957c478bd9Sstevel@tonic-gate 41967c478bd9Sstevel@tonic-gate free(old_inst_file_npid); 41977c478bd9Sstevel@tonic-gate 41987c478bd9Sstevel@tonic-gate if (err != 0 && err != EALREADY) { 41997c478bd9Sstevel@tonic-gate err_print(FAILED_TO_UPDATE, inst_file); 42007c478bd9Sstevel@tonic-gate } 42017c478bd9Sstevel@tonic-gate } 42027c478bd9Sstevel@tonic-gate 42037c478bd9Sstevel@tonic-gate /* 42047c478bd9Sstevel@tonic-gate * detach from tty. For daemon mode. 42057c478bd9Sstevel@tonic-gate */ 42067c478bd9Sstevel@tonic-gate void 42077c478bd9Sstevel@tonic-gate detachfromtty() 42087c478bd9Sstevel@tonic-gate { 42097c478bd9Sstevel@tonic-gate (void) setsid(); 42107c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON == TRUE) { 42117c478bd9Sstevel@tonic-gate return; 42127c478bd9Sstevel@tonic-gate } 42137c478bd9Sstevel@tonic-gate 42147c478bd9Sstevel@tonic-gate (void) close(0); 42157c478bd9Sstevel@tonic-gate (void) close(1); 42167c478bd9Sstevel@tonic-gate (void) close(2); 42177c478bd9Sstevel@tonic-gate (void) open("/dev/null", O_RDWR, 0); 42187c478bd9Sstevel@tonic-gate (void) dup(0); 42197c478bd9Sstevel@tonic-gate (void) dup(0); 42207c478bd9Sstevel@tonic-gate openlog(DEVFSADMD, LOG_PID, LOG_DAEMON); 42217c478bd9Sstevel@tonic-gate (void) setlogmask(LOG_UPTO(LOG_INFO)); 42227c478bd9Sstevel@tonic-gate logflag = TRUE; 42237c478bd9Sstevel@tonic-gate } 42247c478bd9Sstevel@tonic-gate 42257c478bd9Sstevel@tonic-gate /* 42267c478bd9Sstevel@tonic-gate * Use an advisory lock to synchronize updates to /dev. If the lock is 42277c478bd9Sstevel@tonic-gate * held by another process, block in the fcntl() system call until that 42287c478bd9Sstevel@tonic-gate * process drops the lock or exits. The lock file itself is 42297c478bd9Sstevel@tonic-gate * DEV_LOCK_FILE. The process id of the current and last process owning 42307c478bd9Sstevel@tonic-gate * the lock is kept in the lock file. After acquiring the lock, read the 42317c478bd9Sstevel@tonic-gate * process id and return it. It is the process ID which last owned the 42327c478bd9Sstevel@tonic-gate * lock, and will be used to determine if caches need to be flushed. 42337c478bd9Sstevel@tonic-gate * 42347c478bd9Sstevel@tonic-gate * NOTE: if the devlink database is held open by the caller, it may 42357c478bd9Sstevel@tonic-gate * be closed by this routine. This is to enforce the following lock ordering: 42367c478bd9Sstevel@tonic-gate * 1) /dev lock 2) database open 42377c478bd9Sstevel@tonic-gate */ 42387c478bd9Sstevel@tonic-gate pid_t 42397c478bd9Sstevel@tonic-gate enter_dev_lock() 42407c478bd9Sstevel@tonic-gate { 42417c478bd9Sstevel@tonic-gate struct flock lock; 42427c478bd9Sstevel@tonic-gate int n; 42437c478bd9Sstevel@tonic-gate pid_t pid; 42447c478bd9Sstevel@tonic-gate pid_t last_owner_pid; 42457c478bd9Sstevel@tonic-gate 42467c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 42477c478bd9Sstevel@tonic-gate return (0); 42487c478bd9Sstevel@tonic-gate } 42497c478bd9Sstevel@tonic-gate 42507c478bd9Sstevel@tonic-gate s_mkdirp(dev_dir, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); 42517c478bd9Sstevel@tonic-gate (void) snprintf(dev_lockfile, sizeof (dev_lockfile), 42527c478bd9Sstevel@tonic-gate "%s/%s", dev_dir, DEV_LOCK_FILE); 42537c478bd9Sstevel@tonic-gate 42547c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_dev_lock: lock file %s\n", dev_lockfile); 42557c478bd9Sstevel@tonic-gate 42567c478bd9Sstevel@tonic-gate dev_lock_fd = open(dev_lockfile, O_CREAT|O_RDWR, 0644); 42577c478bd9Sstevel@tonic-gate if (dev_lock_fd < 0) { 42587c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, dev_lockfile, strerror(errno)); 42597c478bd9Sstevel@tonic-gate devfsadm_exit(1); 42607c478bd9Sstevel@tonic-gate } 42617c478bd9Sstevel@tonic-gate 42627c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 42637c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 42647c478bd9Sstevel@tonic-gate lock.l_start = 0; 42657c478bd9Sstevel@tonic-gate lock.l_len = 0; 42667c478bd9Sstevel@tonic-gate 42677c478bd9Sstevel@tonic-gate /* try for the lock, but don't wait */ 42687c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &lock) == -1) { 42697c478bd9Sstevel@tonic-gate if ((errno == EACCES) || (errno == EAGAIN)) { 42707c478bd9Sstevel@tonic-gate pid = 0; 42717c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 42727c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "waiting for PID %d to complete\n", 42737c478bd9Sstevel@tonic-gate (int)pid); 42747c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 42757c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, 42767c478bd9Sstevel@tonic-gate strerror(errno)); 42777c478bd9Sstevel@tonic-gate devfsadm_exit(1); 42787c478bd9Sstevel@tonic-gate } 42797c478bd9Sstevel@tonic-gate /* 42807c478bd9Sstevel@tonic-gate * wait for the dev lock. If we have the database open, 42817c478bd9Sstevel@tonic-gate * close it first - the order of lock acquisition should 42827c478bd9Sstevel@tonic-gate * always be: 1) dev_lock 2) database 42837c478bd9Sstevel@tonic-gate * This is to prevent deadlocks with any locks the 42847c478bd9Sstevel@tonic-gate * database code may hold. 42857c478bd9Sstevel@tonic-gate */ 42867c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 42877c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLKW, &lock) == -1) { 42887c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, dev_lockfile, 42897c478bd9Sstevel@tonic-gate strerror(errno)); 42907c478bd9Sstevel@tonic-gate devfsadm_exit(1); 42917c478bd9Sstevel@tonic-gate } 42927c478bd9Sstevel@tonic-gate } 42937c478bd9Sstevel@tonic-gate } 42947c478bd9Sstevel@tonic-gate 42957c478bd9Sstevel@tonic-gate hold_dev_lock = TRUE; 42967c478bd9Sstevel@tonic-gate pid = 0; 42977c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 42987c478bd9Sstevel@tonic-gate if (n == sizeof (pid_t) && pid == getpid()) { 42997c478bd9Sstevel@tonic-gate return (pid); 43007c478bd9Sstevel@tonic-gate } 43017c478bd9Sstevel@tonic-gate 43027c478bd9Sstevel@tonic-gate last_owner_pid = pid; 43037c478bd9Sstevel@tonic-gate 43047c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 43057c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, strerror(errno)); 43067c478bd9Sstevel@tonic-gate devfsadm_exit(1); 43077c478bd9Sstevel@tonic-gate } 43087c478bd9Sstevel@tonic-gate pid = getpid(); 43097c478bd9Sstevel@tonic-gate n = write(dev_lock_fd, &pid, sizeof (pid_t)); 43107c478bd9Sstevel@tonic-gate if (n != sizeof (pid_t)) { 43117c478bd9Sstevel@tonic-gate err_print(WRITE_FAILED, dev_lockfile, strerror(errno)); 43127c478bd9Sstevel@tonic-gate devfsadm_exit(1); 43137c478bd9Sstevel@tonic-gate } 43147c478bd9Sstevel@tonic-gate 43157c478bd9Sstevel@tonic-gate return (last_owner_pid); 43167c478bd9Sstevel@tonic-gate } 43177c478bd9Sstevel@tonic-gate 43187c478bd9Sstevel@tonic-gate /* 43197c478bd9Sstevel@tonic-gate * Drop the advisory /dev lock, close lock file. Close and re-open the 43207c478bd9Sstevel@tonic-gate * file every time so to ensure a resync if for some reason the lock file 43217c478bd9Sstevel@tonic-gate * gets removed. 43227c478bd9Sstevel@tonic-gate */ 43237c478bd9Sstevel@tonic-gate void 43247c478bd9Sstevel@tonic-gate exit_dev_lock() 43257c478bd9Sstevel@tonic-gate { 43267c478bd9Sstevel@tonic-gate struct flock unlock; 43277c478bd9Sstevel@tonic-gate 43287c478bd9Sstevel@tonic-gate if (hold_dev_lock == FALSE) { 43297c478bd9Sstevel@tonic-gate return; 43307c478bd9Sstevel@tonic-gate } 43317c478bd9Sstevel@tonic-gate 43327c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "exit_dev_lock: lock file %s\n", dev_lockfile); 43337c478bd9Sstevel@tonic-gate 43347c478bd9Sstevel@tonic-gate unlock.l_type = F_UNLCK; 43357c478bd9Sstevel@tonic-gate unlock.l_whence = SEEK_SET; 43367c478bd9Sstevel@tonic-gate unlock.l_start = 0; 43377c478bd9Sstevel@tonic-gate unlock.l_len = 0; 43387c478bd9Sstevel@tonic-gate 43397c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &unlock) == -1) { 43407c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, dev_lockfile, strerror(errno)); 43417c478bd9Sstevel@tonic-gate } 43427c478bd9Sstevel@tonic-gate 43437c478bd9Sstevel@tonic-gate hold_dev_lock = FALSE; 43447c478bd9Sstevel@tonic-gate 43457c478bd9Sstevel@tonic-gate if (close(dev_lock_fd) == -1) { 43467c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, dev_lockfile, strerror(errno)); 43477c478bd9Sstevel@tonic-gate devfsadm_exit(1); 43487c478bd9Sstevel@tonic-gate } 43497c478bd9Sstevel@tonic-gate } 43507c478bd9Sstevel@tonic-gate 43517c478bd9Sstevel@tonic-gate /* 43527c478bd9Sstevel@tonic-gate * 43537c478bd9Sstevel@tonic-gate * Use an advisory lock to ensure that only one daemon process is active 43547c478bd9Sstevel@tonic-gate * in the system at any point in time. If the lock is held by another 43557c478bd9Sstevel@tonic-gate * process, do not block but return the pid owner of the lock to the 43567c478bd9Sstevel@tonic-gate * caller immediately. The lock is cleared if the holding daemon process 43577c478bd9Sstevel@tonic-gate * exits for any reason even if the lock file remains, so the daemon can 43587c478bd9Sstevel@tonic-gate * be restarted if necessary. The lock file is DAEMON_LOCK_FILE. 43597c478bd9Sstevel@tonic-gate */ 43607c478bd9Sstevel@tonic-gate pid_t 43617c478bd9Sstevel@tonic-gate enter_daemon_lock(void) 43627c478bd9Sstevel@tonic-gate { 43637c478bd9Sstevel@tonic-gate struct flock lock; 43647c478bd9Sstevel@tonic-gate 43657c478bd9Sstevel@tonic-gate s_mkdirp(dev_dir, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); 43667c478bd9Sstevel@tonic-gate (void) snprintf(daemon_lockfile, sizeof (daemon_lockfile), 43677c478bd9Sstevel@tonic-gate "%s/%s", dev_dir, DAEMON_LOCK_FILE); 43687c478bd9Sstevel@tonic-gate 43697c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_daemon_lock: lock file %s\n", daemon_lockfile); 43707c478bd9Sstevel@tonic-gate 43717c478bd9Sstevel@tonic-gate daemon_lock_fd = open(daemon_lockfile, O_CREAT|O_RDWR, 0644); 43727c478bd9Sstevel@tonic-gate if (daemon_lock_fd < 0) { 43737c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, daemon_lockfile, strerror(errno)); 43747c478bd9Sstevel@tonic-gate devfsadm_exit(1); 43757c478bd9Sstevel@tonic-gate } 43767c478bd9Sstevel@tonic-gate 43777c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 43787c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 43797c478bd9Sstevel@tonic-gate lock.l_start = 0; 43807c478bd9Sstevel@tonic-gate lock.l_len = 0; 43817c478bd9Sstevel@tonic-gate 43827c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 43837c478bd9Sstevel@tonic-gate 43847c478bd9Sstevel@tonic-gate if (errno == EAGAIN || errno == EDEADLK) { 43857c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_GETLK, &lock) == -1) { 43867c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, daemon_lockfile, 43877c478bd9Sstevel@tonic-gate strerror(errno)); 43887c478bd9Sstevel@tonic-gate devfsadm_exit(1); 43897c478bd9Sstevel@tonic-gate } 43907c478bd9Sstevel@tonic-gate return (lock.l_pid); 43917c478bd9Sstevel@tonic-gate } 43927c478bd9Sstevel@tonic-gate } 43937c478bd9Sstevel@tonic-gate hold_daemon_lock = TRUE; 43947c478bd9Sstevel@tonic-gate return (getpid()); 43957c478bd9Sstevel@tonic-gate } 43967c478bd9Sstevel@tonic-gate 43977c478bd9Sstevel@tonic-gate /* 43987c478bd9Sstevel@tonic-gate * Drop the advisory daemon lock, close lock file 43997c478bd9Sstevel@tonic-gate */ 44007c478bd9Sstevel@tonic-gate void 44017c478bd9Sstevel@tonic-gate exit_daemon_lock(void) 44027c478bd9Sstevel@tonic-gate { 44037c478bd9Sstevel@tonic-gate struct flock lock; 44047c478bd9Sstevel@tonic-gate 44057c478bd9Sstevel@tonic-gate if (hold_daemon_lock == FALSE) { 44067c478bd9Sstevel@tonic-gate return; 44077c478bd9Sstevel@tonic-gate } 44087c478bd9Sstevel@tonic-gate 44097c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "exit_daemon_lock: lock file %s\n", daemon_lockfile); 44107c478bd9Sstevel@tonic-gate 44117c478bd9Sstevel@tonic-gate lock.l_type = F_UNLCK; 44127c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 44137c478bd9Sstevel@tonic-gate lock.l_start = 0; 44147c478bd9Sstevel@tonic-gate lock.l_len = 0; 44157c478bd9Sstevel@tonic-gate 44167c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 44177c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, daemon_lockfile, strerror(errno)); 44187c478bd9Sstevel@tonic-gate } 44197c478bd9Sstevel@tonic-gate 44207c478bd9Sstevel@tonic-gate if (close(daemon_lock_fd) == -1) { 44217c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, daemon_lockfile, strerror(errno)); 44227c478bd9Sstevel@tonic-gate devfsadm_exit(1); 44237c478bd9Sstevel@tonic-gate } 44247c478bd9Sstevel@tonic-gate } 44257c478bd9Sstevel@tonic-gate 44267c478bd9Sstevel@tonic-gate /* 44277c478bd9Sstevel@tonic-gate * Called to removed danging nodes in two different modes: RM_PRE, RM_POST. 44287c478bd9Sstevel@tonic-gate * RM_PRE mode is called before processing the entire devinfo tree, and RM_POST 44297c478bd9Sstevel@tonic-gate * is called after processing the entire devinfo tree. 44307c478bd9Sstevel@tonic-gate */ 44317c478bd9Sstevel@tonic-gate static void 44327c478bd9Sstevel@tonic-gate pre_and_post_cleanup(int flags) 44337c478bd9Sstevel@tonic-gate { 44347c478bd9Sstevel@tonic-gate remove_list_t *rm; 44357c478bd9Sstevel@tonic-gate recurse_dev_t rd; 44367c478bd9Sstevel@tonic-gate cleanup_data_t cleanup_data; 44377c478bd9Sstevel@tonic-gate char *fcn = "pre_and_post_cleanup: "; 44387c478bd9Sstevel@tonic-gate 44397c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 44407c478bd9Sstevel@tonic-gate return; 44417c478bd9Sstevel@tonic-gate 44427c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "attempting %s-cleanup\n", 44437c478bd9Sstevel@tonic-gate flags == RM_PRE ? "pre" : "post"); 44447c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sflags = %d\n", fcn, flags); 44457c478bd9Sstevel@tonic-gate 44467c478bd9Sstevel@tonic-gate /* 44477c478bd9Sstevel@tonic-gate * the generic function recurse_dev_re is shared among different 44487c478bd9Sstevel@tonic-gate * functions, so set the method and data that it should use for 44497c478bd9Sstevel@tonic-gate * matches. 44507c478bd9Sstevel@tonic-gate */ 44517c478bd9Sstevel@tonic-gate rd.fcn = matching_dev; 44527c478bd9Sstevel@tonic-gate rd.data = (void *)&cleanup_data; 44537c478bd9Sstevel@tonic-gate cleanup_data.flags = flags; 44547c478bd9Sstevel@tonic-gate 44557c478bd9Sstevel@tonic-gate for (rm = remove_head; rm != NULL; rm = rm->next) { 44567c478bd9Sstevel@tonic-gate if ((flags & rm->remove->flags) == flags) { 44577c478bd9Sstevel@tonic-gate cleanup_data.rm = rm; 44587c478bd9Sstevel@tonic-gate /* 44597c478bd9Sstevel@tonic-gate * If reached this point, RM_PRE or RM_POST cleanup is 44607c478bd9Sstevel@tonic-gate * desired. clean_ok() decides whether to clean 44617c478bd9Sstevel@tonic-gate * under the given circumstances. 44627c478bd9Sstevel@tonic-gate */ 44637c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%scleanup: PRE or POST\n", fcn); 44647c478bd9Sstevel@tonic-gate if (clean_ok(rm->remove) == DEVFSADM_SUCCESS) { 44657c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "cleanup: cleanup OK\n"); 44667c478bd9Sstevel@tonic-gate recurse_dev_re(dev_dir, rm->remove-> 44677c478bd9Sstevel@tonic-gate dev_dirs_re, &rd); 44687c478bd9Sstevel@tonic-gate } 44697c478bd9Sstevel@tonic-gate } 44707c478bd9Sstevel@tonic-gate } 44717c478bd9Sstevel@tonic-gate } 44727c478bd9Sstevel@tonic-gate 44737c478bd9Sstevel@tonic-gate /* 44747c478bd9Sstevel@tonic-gate * clean_ok() determines whether cleanup should be done according 44757c478bd9Sstevel@tonic-gate * to the following matrix: 44767c478bd9Sstevel@tonic-gate * 44777c478bd9Sstevel@tonic-gate * command line arguments RM_PRE RM_POST RM_PRE && RM_POST && 44787c478bd9Sstevel@tonic-gate * RM_ALWAYS RM_ALWAYS 44797c478bd9Sstevel@tonic-gate * ---------------------- ------ ----- --------- ---------- 44807c478bd9Sstevel@tonic-gate * 44817c478bd9Sstevel@tonic-gate * <neither -c nor -C> - - pre-clean post-clean 44827c478bd9Sstevel@tonic-gate * 44837c478bd9Sstevel@tonic-gate * -C pre-clean post-clean pre-clean post-clean 44847c478bd9Sstevel@tonic-gate * 44857c478bd9Sstevel@tonic-gate * -C -c class pre-clean post-clean pre-clean post-clean 44867c478bd9Sstevel@tonic-gate * if class if class if class if class 44877c478bd9Sstevel@tonic-gate * matches matches matches matches 44887c478bd9Sstevel@tonic-gate * 44897c478bd9Sstevel@tonic-gate * -c class - - pre-clean post-clean 44907c478bd9Sstevel@tonic-gate * if class if class 44917c478bd9Sstevel@tonic-gate * matches matches 44927c478bd9Sstevel@tonic-gate * 44937c478bd9Sstevel@tonic-gate */ 44947c478bd9Sstevel@tonic-gate static int 44957c478bd9Sstevel@tonic-gate clean_ok(devfsadm_remove_t *remove) 44967c478bd9Sstevel@tonic-gate { 44977c478bd9Sstevel@tonic-gate int i; 44987c478bd9Sstevel@tonic-gate 44997c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 45007c478bd9Sstevel@tonic-gate /* no cleanup at all when using -i option */ 45017c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 45027c478bd9Sstevel@tonic-gate } 45037c478bd9Sstevel@tonic-gate 45047c478bd9Sstevel@tonic-gate /* 45057c478bd9Sstevel@tonic-gate * no cleanup if drivers are not loaded. We make an exception 45067c478bd9Sstevel@tonic-gate * for the "disks" program however, since disks has a public 45077c478bd9Sstevel@tonic-gate * cleanup flag (-C) and disk drivers are usually never 45087c478bd9Sstevel@tonic-gate * unloaded. 45097c478bd9Sstevel@tonic-gate */ 45107c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE && strcmp(prog, DISKS) != 0) { 45117c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 45127c478bd9Sstevel@tonic-gate } 45137c478bd9Sstevel@tonic-gate 45147c478bd9Sstevel@tonic-gate /* if the cleanup flag was not specified, return false */ 45157c478bd9Sstevel@tonic-gate if ((cleanup == FALSE) && ((remove->flags & RM_ALWAYS) == 0)) { 45167c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 45177c478bd9Sstevel@tonic-gate } 45187c478bd9Sstevel@tonic-gate 45197c478bd9Sstevel@tonic-gate if (num_classes == 0) { 45207c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 45217c478bd9Sstevel@tonic-gate } 45227c478bd9Sstevel@tonic-gate 45237c478bd9Sstevel@tonic-gate /* 45247c478bd9Sstevel@tonic-gate * if reached this point, check to see if the class in the given 45257c478bd9Sstevel@tonic-gate * remove structure matches a class given on the command line 45267c478bd9Sstevel@tonic-gate */ 45277c478bd9Sstevel@tonic-gate 45287c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 45297c478bd9Sstevel@tonic-gate if (strcmp(remove->device_class, classes[i]) == 0) { 45307c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 45317c478bd9Sstevel@tonic-gate } 45327c478bd9Sstevel@tonic-gate } 45337c478bd9Sstevel@tonic-gate 45347c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 45357c478bd9Sstevel@tonic-gate } 45367c478bd9Sstevel@tonic-gate 45377c478bd9Sstevel@tonic-gate /* 45387c478bd9Sstevel@tonic-gate * Called to remove dangling nodes after receiving a hotplug event 45397c478bd9Sstevel@tonic-gate * containing the physical node pathname to be removed. 45407c478bd9Sstevel@tonic-gate */ 45417c478bd9Sstevel@tonic-gate void 45427c478bd9Sstevel@tonic-gate hot_cleanup(char *node_path, char *minor_name, char *ev_subclass, 45437c478bd9Sstevel@tonic-gate char *driver_name, int instance) 45447c478bd9Sstevel@tonic-gate { 45457c478bd9Sstevel@tonic-gate link_t *link; 45467c478bd9Sstevel@tonic-gate linkhead_t *head; 45477c478bd9Sstevel@tonic-gate remove_list_t *rm; 45487c478bd9Sstevel@tonic-gate char *fcn = "hot_cleanup: "; 45497c478bd9Sstevel@tonic-gate char path[PATH_MAX + 1]; 45507c478bd9Sstevel@tonic-gate int path_len; 45517c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 45527c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 4553fb9251a6Scth int skip; 45547c478bd9Sstevel@tonic-gate 45557c478bd9Sstevel@tonic-gate /* 45567c478bd9Sstevel@tonic-gate * dev links can go away as part of hot cleanup. 45577c478bd9Sstevel@tonic-gate * So first build event attributes in order capture dev links. 45587c478bd9Sstevel@tonic-gate */ 45597c478bd9Sstevel@tonic-gate if (ev_subclass != NULL) 45607c478bd9Sstevel@tonic-gate nvl = build_event_attributes(EC_DEV_REMOVE, ev_subclass, 45617c478bd9Sstevel@tonic-gate node_path, DI_NODE_NIL, driver_name, instance); 45627c478bd9Sstevel@tonic-gate 45637c478bd9Sstevel@tonic-gate (void) strcpy(path, node_path); 45647c478bd9Sstevel@tonic-gate (void) strcat(path, ":"); 45657c478bd9Sstevel@tonic-gate (void) strcat(path, minor_name == NULL ? "" : minor_name); 45667c478bd9Sstevel@tonic-gate 45677c478bd9Sstevel@tonic-gate path_len = strlen(path); 45687c478bd9Sstevel@tonic-gate 45697c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%spath=%s\n", fcn, path); 45707c478bd9Sstevel@tonic-gate 45717c478bd9Sstevel@tonic-gate for (rm = remove_head; rm != NULL; rm = rm->next) { 45727c478bd9Sstevel@tonic-gate if ((RM_HOT & rm->remove->flags) == RM_HOT) { 45737c478bd9Sstevel@tonic-gate head = get_cached_links(rm->remove->dev_dirs_re); 45747c478bd9Sstevel@tonic-gate assert(head->nextlink == NULL); 45757c478bd9Sstevel@tonic-gate for (link = head->link; 45767c478bd9Sstevel@tonic-gate link != NULL; link = head->nextlink) { 45777c478bd9Sstevel@tonic-gate /* 45787c478bd9Sstevel@tonic-gate * The remove callback below may remove 45797c478bd9Sstevel@tonic-gate * the current and/or any or all of the 45807c478bd9Sstevel@tonic-gate * subsequent links in the list. 45817c478bd9Sstevel@tonic-gate * Save the next link in the head. If 45827c478bd9Sstevel@tonic-gate * the callback removes the next link 45837c478bd9Sstevel@tonic-gate * the saved pointer in the head will be 45847c478bd9Sstevel@tonic-gate * updated by the callback to point at 45857c478bd9Sstevel@tonic-gate * the next valid link. 45867c478bd9Sstevel@tonic-gate */ 45877c478bd9Sstevel@tonic-gate head->nextlink = link->next; 4588fb9251a6Scth if (minor_name) 4589fb9251a6Scth skip = strcmp(link->contents, path); 4590fb9251a6Scth else 4591fb9251a6Scth skip = strncmp(link->contents, path, 4592fb9251a6Scth path_len); 4593fb9251a6Scth if (skip || 4594fb9251a6Scth (call_minor_init(rm->modptr) == 4595fb9251a6Scth DEVFSADM_FAILURE)) 4596fb9251a6Scth continue; 45977c478bd9Sstevel@tonic-gate 4598fb9251a6Scth vprint(REMOVE_MID, 4599fb9251a6Scth "%sremoving %s -> %s\n", fcn, 4600fb9251a6Scth link->devlink, link->contents); 4601fb9251a6Scth /* 4602fb9251a6Scth * Use a copy of the cached link name 4603fb9251a6Scth * as the cache entry will go away 4604fb9251a6Scth * during link removal 4605fb9251a6Scth */ 4606fb9251a6Scth (void) snprintf(rmlink, sizeof (rmlink), 4607fb9251a6Scth "%s", link->devlink); 4608fb9251a6Scth (*(rm->remove->callback_fcn))(rmlink); 46097c478bd9Sstevel@tonic-gate } 46107c478bd9Sstevel@tonic-gate } 46117c478bd9Sstevel@tonic-gate } 46127c478bd9Sstevel@tonic-gate 4613*45916cd2Sjpk /* update device allocation database */ 4614*45916cd2Sjpk if (system_labeled) { 4615*45916cd2Sjpk int ret = 0; 4616*45916cd2Sjpk int devtype = 0; 4617*45916cd2Sjpk char devname[MAXNAMELEN]; 4618*45916cd2Sjpk 4619*45916cd2Sjpk devname[0] = '\0'; 4620*45916cd2Sjpk if (strstr(node_path, DA_SOUND_NAME)) 4621*45916cd2Sjpk devtype = DA_AUDIO; 4622*45916cd2Sjpk else if (strstr(node_path, "disk")) 4623*45916cd2Sjpk devtype = DA_RMDISK; 4624*45916cd2Sjpk else 4625*45916cd2Sjpk goto out; 4626*45916cd2Sjpk ret = da_remove_list(&devlist, NULL, devtype, devname, 4627*45916cd2Sjpk sizeof (devname)); 4628*45916cd2Sjpk if (ret != -1) 4629*45916cd2Sjpk (void) _update_devalloc_db(&devlist, devtype, DA_REMOVE, 4630*45916cd2Sjpk devname, root_dir); 4631*45916cd2Sjpk } 4632*45916cd2Sjpk 4633*45916cd2Sjpk out: 46347c478bd9Sstevel@tonic-gate /* now log an event */ 46357c478bd9Sstevel@tonic-gate if (nvl) { 46367c478bd9Sstevel@tonic-gate log_event(EC_DEV_REMOVE, ev_subclass, nvl); 46377c478bd9Sstevel@tonic-gate free(nvl); 46387c478bd9Sstevel@tonic-gate } 46397c478bd9Sstevel@tonic-gate } 46407c478bd9Sstevel@tonic-gate 46417c478bd9Sstevel@tonic-gate /* 46427c478bd9Sstevel@tonic-gate * Open the dir current_dir. For every file which matches the first dir 46437c478bd9Sstevel@tonic-gate * component of path_re, recurse. If there are no more *dir* path 46447c478bd9Sstevel@tonic-gate * components left in path_re (ie no more /), then call function rd->fcn. 46457c478bd9Sstevel@tonic-gate */ 46467c478bd9Sstevel@tonic-gate static void 46477c478bd9Sstevel@tonic-gate recurse_dev_re(char *current_dir, char *path_re, recurse_dev_t *rd) 46487c478bd9Sstevel@tonic-gate { 46497c478bd9Sstevel@tonic-gate regex_t re1; 46507c478bd9Sstevel@tonic-gate char *slash; 46517c478bd9Sstevel@tonic-gate char new_path[PATH_MAX + 1]; 46527c478bd9Sstevel@tonic-gate char *anchored_path_re; 46537c478bd9Sstevel@tonic-gate struct dirent *entp; 46547c478bd9Sstevel@tonic-gate DIR *dp; 46557c478bd9Sstevel@tonic-gate size_t len; 46567c478bd9Sstevel@tonic-gate 46577c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: curr = %s path=%s\n", 46587c478bd9Sstevel@tonic-gate current_dir, path_re); 46597c478bd9Sstevel@tonic-gate 46607c478bd9Sstevel@tonic-gate if ((dp = opendir(current_dir)) == NULL) { 46617c478bd9Sstevel@tonic-gate return; 46627c478bd9Sstevel@tonic-gate } 46637c478bd9Sstevel@tonic-gate 46647c478bd9Sstevel@tonic-gate len = strlen(path_re); 46657c478bd9Sstevel@tonic-gate if ((slash = strchr(path_re, '/')) != NULL) { 46667c478bd9Sstevel@tonic-gate len = (slash - path_re); 46677c478bd9Sstevel@tonic-gate } 46687c478bd9Sstevel@tonic-gate 46697c478bd9Sstevel@tonic-gate anchored_path_re = s_malloc(len + 3); 46707c478bd9Sstevel@tonic-gate (void) sprintf(anchored_path_re, "^%.*s$", len, path_re); 46717c478bd9Sstevel@tonic-gate 46727c478bd9Sstevel@tonic-gate if (regcomp(&re1, anchored_path_re, REG_EXTENDED) != 0) { 46737c478bd9Sstevel@tonic-gate free(anchored_path_re); 46747c478bd9Sstevel@tonic-gate goto out; 46757c478bd9Sstevel@tonic-gate } 46767c478bd9Sstevel@tonic-gate 46777c478bd9Sstevel@tonic-gate free(anchored_path_re); 46787c478bd9Sstevel@tonic-gate 46794bc0a2efScasper while ((entp = readdir(dp)) != NULL) { 46807c478bd9Sstevel@tonic-gate 46817c478bd9Sstevel@tonic-gate if (strcmp(entp->d_name, ".") == 0 || 46827c478bd9Sstevel@tonic-gate strcmp(entp->d_name, "..") == 0) { 46837c478bd9Sstevel@tonic-gate continue; 46847c478bd9Sstevel@tonic-gate } 46857c478bd9Sstevel@tonic-gate 46867c478bd9Sstevel@tonic-gate if (regexec(&re1, entp->d_name, 0, NULL, 0) == 0) { 46877c478bd9Sstevel@tonic-gate /* match */ 46887c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 46897c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 46907c478bd9Sstevel@tonic-gate (void) strcat(new_path, entp->d_name); 46917c478bd9Sstevel@tonic-gate 46927c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: match, new " 46937c478bd9Sstevel@tonic-gate "path = %s\n", new_path); 46947c478bd9Sstevel@tonic-gate 46957c478bd9Sstevel@tonic-gate if (slash != NULL) { 46967c478bd9Sstevel@tonic-gate recurse_dev_re(new_path, slash + 1, rd); 46977c478bd9Sstevel@tonic-gate } else { 46987c478bd9Sstevel@tonic-gate /* reached the leaf component of path_re */ 46997c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, 47007c478bd9Sstevel@tonic-gate "recurse_dev_re: calling fcn\n"); 47017c478bd9Sstevel@tonic-gate (*(rd->fcn))(new_path, rd->data); 47027c478bd9Sstevel@tonic-gate } 47037c478bd9Sstevel@tonic-gate } 47047c478bd9Sstevel@tonic-gate } 47057c478bd9Sstevel@tonic-gate 47067c478bd9Sstevel@tonic-gate regfree(&re1); 47077c478bd9Sstevel@tonic-gate 47087c478bd9Sstevel@tonic-gate out: 47097c478bd9Sstevel@tonic-gate s_closedir(dp); 47107c478bd9Sstevel@tonic-gate } 47117c478bd9Sstevel@tonic-gate 47127c478bd9Sstevel@tonic-gate /* 47137c478bd9Sstevel@tonic-gate * Found a devpath which matches a RE in the remove structure. 47147c478bd9Sstevel@tonic-gate * Now check to see if it is dangling. 47157c478bd9Sstevel@tonic-gate */ 47167c478bd9Sstevel@tonic-gate static void 47177c478bd9Sstevel@tonic-gate matching_dev(char *devpath, void *data) 47187c478bd9Sstevel@tonic-gate { 47197c478bd9Sstevel@tonic-gate cleanup_data_t *cleanup_data = data; 47207c478bd9Sstevel@tonic-gate char *fcn = "matching_dev: "; 47217c478bd9Sstevel@tonic-gate 47227c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "%sexamining devpath = '%s'\n", fcn, 47237c478bd9Sstevel@tonic-gate devpath); 47247c478bd9Sstevel@tonic-gate 47257c478bd9Sstevel@tonic-gate if (resolve_link(devpath, NULL, NULL, NULL, 1) == TRUE) { 47267c478bd9Sstevel@tonic-gate if (call_minor_init(cleanup_data->rm->modptr) == 47277c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 47287c478bd9Sstevel@tonic-gate return; 47297c478bd9Sstevel@tonic-gate } 47307c478bd9Sstevel@tonic-gate 47317c478bd9Sstevel@tonic-gate devpath += strlen(dev_dir) + strlen("/"); 47327c478bd9Sstevel@tonic-gate 47337c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "%scalling" 47347c478bd9Sstevel@tonic-gate " callback %s\n", fcn, devpath); 47357c478bd9Sstevel@tonic-gate (*(cleanup_data->rm->remove->callback_fcn))(devpath); 47367c478bd9Sstevel@tonic-gate } 47377c478bd9Sstevel@tonic-gate } 47387c478bd9Sstevel@tonic-gate 47397c478bd9Sstevel@tonic-gate int 47407c478bd9Sstevel@tonic-gate devfsadm_read_link(char *link, char **devfs_path) 47417c478bd9Sstevel@tonic-gate { 47427c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 47437c478bd9Sstevel@tonic-gate 47447c478bd9Sstevel@tonic-gate *devfs_path = NULL; 47457c478bd9Sstevel@tonic-gate 47467c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 47477c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 47487c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 47497c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 47507c478bd9Sstevel@tonic-gate 47517c478bd9Sstevel@tonic-gate /* We *don't* want a stat of the /devices node */ 47527c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, devfs_path, 0); 47537c478bd9Sstevel@tonic-gate 47547c478bd9Sstevel@tonic-gate return (*devfs_path ? DEVFSADM_SUCCESS : DEVFSADM_FAILURE); 47557c478bd9Sstevel@tonic-gate } 47567c478bd9Sstevel@tonic-gate 47577c478bd9Sstevel@tonic-gate int 47587c478bd9Sstevel@tonic-gate devfsadm_link_valid(char *link) 47597c478bd9Sstevel@tonic-gate { 47607c478bd9Sstevel@tonic-gate struct stat sb; 4761*45916cd2Sjpk char devlink[PATH_MAX + 1], *contents = NULL; 47627c478bd9Sstevel@tonic-gate int rv, type; 4763*45916cd2Sjpk int instance = 0; 47647c478bd9Sstevel@tonic-gate 47657c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 47667c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 47677c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 47687c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 47697c478bd9Sstevel@tonic-gate 47707c478bd9Sstevel@tonic-gate if (lstat(devlink, &sb) != 0) { 47717c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 47727c478bd9Sstevel@tonic-gate } 47737c478bd9Sstevel@tonic-gate 47747c478bd9Sstevel@tonic-gate contents = NULL; 47757c478bd9Sstevel@tonic-gate type = 0; 47767c478bd9Sstevel@tonic-gate if (resolve_link(devlink, &contents, &type, NULL, 1) == TRUE) { 47777c478bd9Sstevel@tonic-gate rv = DEVFSADM_FALSE; 47787c478bd9Sstevel@tonic-gate } else { 47797c478bd9Sstevel@tonic-gate rv = DEVFSADM_TRUE; 47807c478bd9Sstevel@tonic-gate } 47817c478bd9Sstevel@tonic-gate 47827c478bd9Sstevel@tonic-gate /* 47837c478bd9Sstevel@tonic-gate * The link exists. Add it to the database 47847c478bd9Sstevel@tonic-gate */ 47857c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, type); 4786*45916cd2Sjpk if (system_labeled && (rv == DEVFSADM_TRUE) && 4787*45916cd2Sjpk strstr(devlink, DA_AUDIO_NAME) && contents) { 4788*45916cd2Sjpk (void) sscanf(contents, "%*[a-z]%d", &instance); 4789*45916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, 4790*45916cd2Sjpk DA_ADD|DA_AUDIO); 4791*45916cd2Sjpk _update_devalloc_db(&devlist, 0, DA_ADD, NULL, root_dir); 4792*45916cd2Sjpk } 47937c478bd9Sstevel@tonic-gate free(contents); 47947c478bd9Sstevel@tonic-gate 47957c478bd9Sstevel@tonic-gate return (rv); 47967c478bd9Sstevel@tonic-gate } 47977c478bd9Sstevel@tonic-gate 47987c478bd9Sstevel@tonic-gate /* 47997c478bd9Sstevel@tonic-gate * devpath: Absolute path to /dev link 48007c478bd9Sstevel@tonic-gate * content_p: Returns malloced string (link content) 48017c478bd9Sstevel@tonic-gate * type_p: Returns link type: primary or secondary 48027c478bd9Sstevel@tonic-gate * devfs_path: Returns malloced string: /devices path w/out "/devices" 48037c478bd9Sstevel@tonic-gate * dangle: if set, check if link is dangling 48047c478bd9Sstevel@tonic-gate * Returns: 48057c478bd9Sstevel@tonic-gate * TRUE if dangling 48067c478bd9Sstevel@tonic-gate * FALSE if not or if caller doesn't care 48077c478bd9Sstevel@tonic-gate * Caller is assumed to have initialized pointer contents to NULL 48087c478bd9Sstevel@tonic-gate */ 48097c478bd9Sstevel@tonic-gate static int 48107c478bd9Sstevel@tonic-gate resolve_link(char *devpath, char **content_p, int *type_p, char **devfs_path, 48117c478bd9Sstevel@tonic-gate int dangle) 48127c478bd9Sstevel@tonic-gate { 48137c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 48147c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 48157c478bd9Sstevel@tonic-gate char *fcn = "resolve_link: "; 48167c478bd9Sstevel@tonic-gate char *ptr; 48177c478bd9Sstevel@tonic-gate int linksize; 48187c478bd9Sstevel@tonic-gate int rv = TRUE; 48197c478bd9Sstevel@tonic-gate struct stat sb; 48207c478bd9Sstevel@tonic-gate 48217c478bd9Sstevel@tonic-gate linksize = readlink(devpath, contents, PATH_MAX); 48227c478bd9Sstevel@tonic-gate 48237c478bd9Sstevel@tonic-gate if (linksize <= 0) { 48247c478bd9Sstevel@tonic-gate return (FALSE); 48257c478bd9Sstevel@tonic-gate } else { 48267c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 48277c478bd9Sstevel@tonic-gate } 48287c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s %s -> %s\n", fcn, devpath, contents); 48297c478bd9Sstevel@tonic-gate 48307c478bd9Sstevel@tonic-gate if (content_p) { 48317c478bd9Sstevel@tonic-gate *content_p = s_strdup(contents); 48327c478bd9Sstevel@tonic-gate } 48337c478bd9Sstevel@tonic-gate 48347c478bd9Sstevel@tonic-gate /* 48357c478bd9Sstevel@tonic-gate * Check to see if this is a link pointing to another link in /dev. The 48367c478bd9Sstevel@tonic-gate * cheap way to do this is to look for a lack of ../devices/. 48377c478bd9Sstevel@tonic-gate */ 48387c478bd9Sstevel@tonic-gate 48397c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_FALSE) { 48407c478bd9Sstevel@tonic-gate 48417c478bd9Sstevel@tonic-gate if (type_p) { 48427c478bd9Sstevel@tonic-gate *type_p = DI_SECONDARY_LINK; 48437c478bd9Sstevel@tonic-gate } 48447c478bd9Sstevel@tonic-gate 48457c478bd9Sstevel@tonic-gate /* 48467c478bd9Sstevel@tonic-gate * assume that linkcontents is really a pointer to another 48477c478bd9Sstevel@tonic-gate * link, and if so recurse and read its link contents. 48487c478bd9Sstevel@tonic-gate */ 48497c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 48507c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, dev_dir); 48517c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 48527c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, 48537c478bd9Sstevel@tonic-gate &contents[strlen(DEV) + strlen("/")]); 48547c478bd9Sstevel@tonic-gate } else { 48557c478bd9Sstevel@tonic-gate if ((ptr = strrchr(devpath, '/')) == NULL) { 48567c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid link. " 48577c478bd9Sstevel@tonic-gate "missing '/'\n", fcn, devpath, 48587c478bd9Sstevel@tonic-gate contents); 48597c478bd9Sstevel@tonic-gate return (TRUE); 48607c478bd9Sstevel@tonic-gate } 48617c478bd9Sstevel@tonic-gate *ptr = '\0'; 48627c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, devpath); 48637c478bd9Sstevel@tonic-gate *ptr = '/'; 48647c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 48657c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 48667c478bd9Sstevel@tonic-gate } 48677c478bd9Sstevel@tonic-gate return (resolve_link(stage_link, NULL, NULL, devfs_path, 48687c478bd9Sstevel@tonic-gate dangle)); 48697c478bd9Sstevel@tonic-gate } 48707c478bd9Sstevel@tonic-gate 48717c478bd9Sstevel@tonic-gate /* Current link points at a /devices minor node */ 48727c478bd9Sstevel@tonic-gate if (type_p) { 48737c478bd9Sstevel@tonic-gate *type_p = DI_PRIMARY_LINK; 48747c478bd9Sstevel@tonic-gate } 48757c478bd9Sstevel@tonic-gate 48767c478bd9Sstevel@tonic-gate if (devfs_path) 48777c478bd9Sstevel@tonic-gate *devfs_path = s_strdup(ptr); 48787c478bd9Sstevel@tonic-gate 48797c478bd9Sstevel@tonic-gate rv = FALSE; 48807c478bd9Sstevel@tonic-gate if (dangle) 48817c478bd9Sstevel@tonic-gate rv = (stat(ptr - strlen(DEVICES), &sb) == -1); 48827c478bd9Sstevel@tonic-gate 48837c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%slink=%s, returning %s\n", fcn, 48847c478bd9Sstevel@tonic-gate devpath, ((rv == TRUE) ? "TRUE" : "FALSE")); 48857c478bd9Sstevel@tonic-gate 48867c478bd9Sstevel@tonic-gate return (rv); 48877c478bd9Sstevel@tonic-gate } 48887c478bd9Sstevel@tonic-gate 48897c478bd9Sstevel@tonic-gate /* 48907c478bd9Sstevel@tonic-gate * Returns the substring of interest, given a path. 48917c478bd9Sstevel@tonic-gate */ 48927c478bd9Sstevel@tonic-gate static char * 48937c478bd9Sstevel@tonic-gate alloc_cmp_str(const char *path, devfsadm_enumerate_t *dep) 48947c478bd9Sstevel@tonic-gate { 48957c478bd9Sstevel@tonic-gate uint_t match; 48967c478bd9Sstevel@tonic-gate char *np, *ap, *mp; 48977c478bd9Sstevel@tonic-gate char *cmp_str = NULL; 48987c478bd9Sstevel@tonic-gate char at[] = "@"; 48997c478bd9Sstevel@tonic-gate char *fcn = "alloc_cmp_str"; 49007c478bd9Sstevel@tonic-gate 49017c478bd9Sstevel@tonic-gate np = ap = mp = NULL; 49027c478bd9Sstevel@tonic-gate 49037c478bd9Sstevel@tonic-gate /* 49047c478bd9Sstevel@tonic-gate * extract match flags from the flags argument. 49057c478bd9Sstevel@tonic-gate */ 49067c478bd9Sstevel@tonic-gate match = (dep->flags & MATCH_MASK); 49077c478bd9Sstevel@tonic-gate 49087c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: enumeration match type: 0x%x" 49097c478bd9Sstevel@tonic-gate " path: %s\n", fcn, match, path); 49107c478bd9Sstevel@tonic-gate 49117c478bd9Sstevel@tonic-gate /* 49127c478bd9Sstevel@tonic-gate * MATCH_CALLBACK and MATCH_ALL are the only flags 49137c478bd9Sstevel@tonic-gate * which may be used if "path" is a /dev path 49147c478bd9Sstevel@tonic-gate */ 49157c478bd9Sstevel@tonic-gate if (match == MATCH_CALLBACK) { 49167c478bd9Sstevel@tonic-gate if (dep->sel_fcn == NULL) { 49177c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumerate" 49187c478bd9Sstevel@tonic-gate " callback: path: %s\n", fcn, path); 49197c478bd9Sstevel@tonic-gate return (NULL); 49207c478bd9Sstevel@tonic-gate } 49217c478bd9Sstevel@tonic-gate cmp_str = dep->sel_fcn(path, dep->cb_arg); 49227c478bd9Sstevel@tonic-gate return (cmp_str); 49237c478bd9Sstevel@tonic-gate } 49247c478bd9Sstevel@tonic-gate 49257c478bd9Sstevel@tonic-gate cmp_str = s_strdup(path); 49267c478bd9Sstevel@tonic-gate 49277c478bd9Sstevel@tonic-gate if (match == MATCH_ALL) { 49287c478bd9Sstevel@tonic-gate return (cmp_str); 49297c478bd9Sstevel@tonic-gate } 49307c478bd9Sstevel@tonic-gate 49317c478bd9Sstevel@tonic-gate /* 49327c478bd9Sstevel@tonic-gate * The remaining flags make sense only for /devices 49337c478bd9Sstevel@tonic-gate * paths 49347c478bd9Sstevel@tonic-gate */ 49357c478bd9Sstevel@tonic-gate if ((mp = strrchr(cmp_str, ':')) == NULL) { 49367c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 49377c478bd9Sstevel@tonic-gate fcn, path); 49387c478bd9Sstevel@tonic-gate goto err; 49397c478bd9Sstevel@tonic-gate } 49407c478bd9Sstevel@tonic-gate 49417c478bd9Sstevel@tonic-gate if (match == MATCH_MINOR) { 49427c478bd9Sstevel@tonic-gate /* A NULL "match_arg" values implies entire minor */ 49437c478bd9Sstevel@tonic-gate if (get_component(mp + 1, dep->match_arg) == NULL) { 49447c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid minor component:" 49457c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 49467c478bd9Sstevel@tonic-gate goto err; 49477c478bd9Sstevel@tonic-gate } 49487c478bd9Sstevel@tonic-gate return (cmp_str); 49497c478bd9Sstevel@tonic-gate } 49507c478bd9Sstevel@tonic-gate 49517c478bd9Sstevel@tonic-gate if ((np = strrchr(cmp_str, '/')) == NULL) { 49527c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", fcn, path); 49537c478bd9Sstevel@tonic-gate goto err; 49547c478bd9Sstevel@tonic-gate } 49557c478bd9Sstevel@tonic-gate 49567c478bd9Sstevel@tonic-gate if (match == MATCH_PARENT) { 49577c478bd9Sstevel@tonic-gate if (strcmp(cmp_str, "/") == 0) { 49587c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 49597c478bd9Sstevel@tonic-gate fcn, path); 49607c478bd9Sstevel@tonic-gate goto err; 49617c478bd9Sstevel@tonic-gate } 49627c478bd9Sstevel@tonic-gate 49637c478bd9Sstevel@tonic-gate if (np == cmp_str) { 49647c478bd9Sstevel@tonic-gate *(np + 1) = '\0'; 49657c478bd9Sstevel@tonic-gate } else { 49667c478bd9Sstevel@tonic-gate *np = '\0'; 49677c478bd9Sstevel@tonic-gate } 49687c478bd9Sstevel@tonic-gate return (cmp_str); 49697c478bd9Sstevel@tonic-gate } 49707c478bd9Sstevel@tonic-gate 49717c478bd9Sstevel@tonic-gate /* ap can be NULL - Leaf address may not exist or be empty string */ 49727c478bd9Sstevel@tonic-gate ap = strchr(np+1, '@'); 49737c478bd9Sstevel@tonic-gate 49747c478bd9Sstevel@tonic-gate /* minor is no longer of interest */ 49757c478bd9Sstevel@tonic-gate *mp = '\0'; 49767c478bd9Sstevel@tonic-gate 49777c478bd9Sstevel@tonic-gate if (match == MATCH_NODE) { 49787c478bd9Sstevel@tonic-gate if (ap) 49797c478bd9Sstevel@tonic-gate *ap = '\0'; 49807c478bd9Sstevel@tonic-gate return (cmp_str); 49817c478bd9Sstevel@tonic-gate } else if (match == MATCH_ADDR) { 49827c478bd9Sstevel@tonic-gate /* 49837c478bd9Sstevel@tonic-gate * The empty string is a valid address. The only MATCH_ADDR 49847c478bd9Sstevel@tonic-gate * allowed in this case is against the whole address or 49857c478bd9Sstevel@tonic-gate * the first component of the address (match_arg=NULL/"0"/"1") 49867c478bd9Sstevel@tonic-gate * Note that in this case, the path won't have an "@" 49877c478bd9Sstevel@tonic-gate * As a result ap will be NULL. We fake up an ap = @'\0' 49887c478bd9Sstevel@tonic-gate * so that get_component() will work correctly. 49897c478bd9Sstevel@tonic-gate */ 49907c478bd9Sstevel@tonic-gate if (ap == NULL) { 49917c478bd9Sstevel@tonic-gate ap = at; 49927c478bd9Sstevel@tonic-gate } 49937c478bd9Sstevel@tonic-gate 49947c478bd9Sstevel@tonic-gate if (get_component(ap + 1, dep->match_arg) == NULL) { 49957c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid leaf addr. component:" 49967c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 49977c478bd9Sstevel@tonic-gate goto err; 49987c478bd9Sstevel@tonic-gate } 49997c478bd9Sstevel@tonic-gate return (cmp_str); 50007c478bd9Sstevel@tonic-gate } 50017c478bd9Sstevel@tonic-gate 50027c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: 0x%x" 50037c478bd9Sstevel@tonic-gate " path: %s\n", fcn, dep->flags, path); 50047c478bd9Sstevel@tonic-gate 50057c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 50067c478bd9Sstevel@tonic-gate err: 50077c478bd9Sstevel@tonic-gate free(cmp_str); 50087c478bd9Sstevel@tonic-gate return (NULL); 50097c478bd9Sstevel@tonic-gate } 50107c478bd9Sstevel@tonic-gate 50117c478bd9Sstevel@tonic-gate 50127c478bd9Sstevel@tonic-gate /* 50137c478bd9Sstevel@tonic-gate * "str" is expected to be a string with components separated by ',' 50147c478bd9Sstevel@tonic-gate * The terminating null char is considered a separator. 50157c478bd9Sstevel@tonic-gate * get_component() will remove the portion of the string beyond 50167c478bd9Sstevel@tonic-gate * the component indicated. 50177c478bd9Sstevel@tonic-gate * If comp_str is NULL, the entire "str" is returned. 50187c478bd9Sstevel@tonic-gate */ 50197c478bd9Sstevel@tonic-gate static char * 50207c478bd9Sstevel@tonic-gate get_component(char *str, const char *comp_str) 50217c478bd9Sstevel@tonic-gate { 50227c478bd9Sstevel@tonic-gate long comp; 50237c478bd9Sstevel@tonic-gate char *cp; 50247c478bd9Sstevel@tonic-gate 50257c478bd9Sstevel@tonic-gate if (str == NULL) { 50267c478bd9Sstevel@tonic-gate return (NULL); 50277c478bd9Sstevel@tonic-gate } 50287c478bd9Sstevel@tonic-gate 50297c478bd9Sstevel@tonic-gate if (comp_str == NULL) { 50307c478bd9Sstevel@tonic-gate return (str); 50317c478bd9Sstevel@tonic-gate } 50327c478bd9Sstevel@tonic-gate 50337c478bd9Sstevel@tonic-gate errno = 0; 50347c478bd9Sstevel@tonic-gate comp = strtol(comp_str, &cp, 10); 50357c478bd9Sstevel@tonic-gate if (errno != 0 || *cp != '\0' || comp < 0) { 50367c478bd9Sstevel@tonic-gate return (NULL); 50377c478bd9Sstevel@tonic-gate } 50387c478bd9Sstevel@tonic-gate 50397c478bd9Sstevel@tonic-gate if (comp == 0) 50407c478bd9Sstevel@tonic-gate return (str); 50417c478bd9Sstevel@tonic-gate 50427c478bd9Sstevel@tonic-gate for (cp = str; ; cp++) { 50437c478bd9Sstevel@tonic-gate if (*cp == ',' || *cp == '\0') 50447c478bd9Sstevel@tonic-gate comp--; 50457c478bd9Sstevel@tonic-gate if (*cp == '\0' || comp <= 0) { 50467c478bd9Sstevel@tonic-gate break; 50477c478bd9Sstevel@tonic-gate } 50487c478bd9Sstevel@tonic-gate } 50497c478bd9Sstevel@tonic-gate 50507c478bd9Sstevel@tonic-gate if (comp == 0) { 50517c478bd9Sstevel@tonic-gate *cp = '\0'; 50527c478bd9Sstevel@tonic-gate } else { 50537c478bd9Sstevel@tonic-gate str = NULL; 50547c478bd9Sstevel@tonic-gate } 50557c478bd9Sstevel@tonic-gate 50567c478bd9Sstevel@tonic-gate return (str); 50577c478bd9Sstevel@tonic-gate } 50587c478bd9Sstevel@tonic-gate 50597c478bd9Sstevel@tonic-gate 50607c478bd9Sstevel@tonic-gate /* 50617c478bd9Sstevel@tonic-gate * Enumerate serves as a generic counter as well as a means to determine 50627c478bd9Sstevel@tonic-gate * logical unit/controller numbers for such items as disk and tape 50637c478bd9Sstevel@tonic-gate * drives. 50647c478bd9Sstevel@tonic-gate * 50657c478bd9Sstevel@tonic-gate * rules[] is an array of devfsadm_enumerate_t structures which defines 50667c478bd9Sstevel@tonic-gate * the enumeration rules to be used for a specified set of links in /dev. 50677c478bd9Sstevel@tonic-gate * The set of links is specified through regular expressions (of the flavor 50687c478bd9Sstevel@tonic-gate * described in regex(5)). These regular expressions are used to determine 50697c478bd9Sstevel@tonic-gate * the set of links in /dev to examine. The last path component in these 50707c478bd9Sstevel@tonic-gate * regular expressions MUST contain a parenthesized subexpression surrounding 50717c478bd9Sstevel@tonic-gate * the RE which is to be considered the enumerating component. The subexp 50727c478bd9Sstevel@tonic-gate * member in a rule is the subexpression number of the enumerating 50737c478bd9Sstevel@tonic-gate * component. Subexpressions in the last path component are numbered starting 50747c478bd9Sstevel@tonic-gate * from 1. 50757c478bd9Sstevel@tonic-gate * 50767c478bd9Sstevel@tonic-gate * A cache of current id assignments is built up from existing symlinks and 50777c478bd9Sstevel@tonic-gate * new assignments use the lowest unused id. Assignments are based on a 50787c478bd9Sstevel@tonic-gate * match of a specified substring of a symlink's contents. If the specified 50797c478bd9Sstevel@tonic-gate * component for the devfs_path argument matches the corresponding substring 50807c478bd9Sstevel@tonic-gate * for a existing symlink's contents, the cached id is returned. Else, a new 50817c478bd9Sstevel@tonic-gate * id is created and returned in *buf. *buf must be freed by the caller. 50827c478bd9Sstevel@tonic-gate * 50837c478bd9Sstevel@tonic-gate * An id assignment may be governed by a combination of rules, each rule 50847c478bd9Sstevel@tonic-gate * applicable to a different subset of links in /dev. For example, controller 50857c478bd9Sstevel@tonic-gate * numbers may be determined by a combination of disk symlinks in /dev/[r]dsk 50867c478bd9Sstevel@tonic-gate * and controller symlinks in /dev/cfg, with the two sets requiring different 50877c478bd9Sstevel@tonic-gate * rules to derive the "substring of interest". In such cases, the rules 50887c478bd9Sstevel@tonic-gate * array will have more than one element. 50897c478bd9Sstevel@tonic-gate */ 50907c478bd9Sstevel@tonic-gate int 50917c478bd9Sstevel@tonic-gate devfsadm_enumerate_int(char *devfs_path, int index, char **buf, 50927c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 50937c478bd9Sstevel@tonic-gate { 50947c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 50957c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 0)); 50967c478bd9Sstevel@tonic-gate } 50977c478bd9Sstevel@tonic-gate 50987c478bd9Sstevel@tonic-gate int 50997c478bd9Sstevel@tonic-gate disk_enumerate_int(char *devfs_path, int index, char **buf, 51007c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 51017c478bd9Sstevel@tonic-gate { 51027c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 51037c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 1)); 51047c478bd9Sstevel@tonic-gate } 51057c478bd9Sstevel@tonic-gate 51067c478bd9Sstevel@tonic-gate /* 51077c478bd9Sstevel@tonic-gate * Same as above, but allows a starting value to be specified. 51087c478bd9Sstevel@tonic-gate * Private to devfsadm.... used by devlinks. 51097c478bd9Sstevel@tonic-gate */ 51107c478bd9Sstevel@tonic-gate static int 51117c478bd9Sstevel@tonic-gate devfsadm_enumerate_int_start(char *devfs_path, int index, char **buf, 51127c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 51137c478bd9Sstevel@tonic-gate { 51147c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 51157c478bd9Sstevel@tonic-gate devfs_path, index, start, INTEGER, buf, 0)); 51167c478bd9Sstevel@tonic-gate } 51177c478bd9Sstevel@tonic-gate 51187c478bd9Sstevel@tonic-gate /* 51197c478bd9Sstevel@tonic-gate * devfsadm_enumerate_char serves as a generic counter returning 51207c478bd9Sstevel@tonic-gate * a single letter. 51217c478bd9Sstevel@tonic-gate */ 51227c478bd9Sstevel@tonic-gate int 51237c478bd9Sstevel@tonic-gate devfsadm_enumerate_char(char *devfs_path, int index, char **buf, 51247c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 51257c478bd9Sstevel@tonic-gate { 51267c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 51277c478bd9Sstevel@tonic-gate devfs_path, index, "a", LETTER, buf, 0)); 51287c478bd9Sstevel@tonic-gate } 51297c478bd9Sstevel@tonic-gate 51307c478bd9Sstevel@tonic-gate /* 51317c478bd9Sstevel@tonic-gate * Same as above, but allows a starting char to be specified. 51327c478bd9Sstevel@tonic-gate * Private to devfsadm - used by ports module (port_link.c) 51337c478bd9Sstevel@tonic-gate */ 51347c478bd9Sstevel@tonic-gate int 51357c478bd9Sstevel@tonic-gate devfsadm_enumerate_char_start(char *devfs_path, int index, char **buf, 51367c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 51377c478bd9Sstevel@tonic-gate { 51387c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 51397c478bd9Sstevel@tonic-gate devfs_path, index, start, LETTER, buf, 0)); 51407c478bd9Sstevel@tonic-gate } 51417c478bd9Sstevel@tonic-gate 51427c478bd9Sstevel@tonic-gate 51437c478bd9Sstevel@tonic-gate /* 51447c478bd9Sstevel@tonic-gate * For a given numeral_set (see get_cached_set for desc of numeral_set), 51457c478bd9Sstevel@tonic-gate * search all cached entries looking for matches on a specified substring 51467c478bd9Sstevel@tonic-gate * of devfs_path. The substring is derived from devfs_path based on the 51477c478bd9Sstevel@tonic-gate * rule specified by "index". If a match is found on a cached entry, 51487c478bd9Sstevel@tonic-gate * return the enumerated id in buf. Otherwise, create a new id by calling 51497c478bd9Sstevel@tonic-gate * new_id, then cache and return that entry. 51507c478bd9Sstevel@tonic-gate */ 51517c478bd9Sstevel@tonic-gate static int 51527c478bd9Sstevel@tonic-gate find_enum_id(devfsadm_enumerate_t rules[], int nrules, 51537c478bd9Sstevel@tonic-gate char *devfs_path, int index, char *min, int type, char **buf, 51547c478bd9Sstevel@tonic-gate int multiple) 51557c478bd9Sstevel@tonic-gate { 51567c478bd9Sstevel@tonic-gate numeral_t *matchnp; 51577c478bd9Sstevel@tonic-gate numeral_t *numeral; 51587c478bd9Sstevel@tonic-gate int matchcount = 0; 51597c478bd9Sstevel@tonic-gate char *cmp_str; 51607c478bd9Sstevel@tonic-gate char *fcn = "find_enum_id"; 51617c478bd9Sstevel@tonic-gate numeral_set_t *set; 51627c478bd9Sstevel@tonic-gate 51637c478bd9Sstevel@tonic-gate if (rules == NULL) { 51647c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: no rules. path: %s\n", 51657c478bd9Sstevel@tonic-gate fcn, devfs_path ? devfs_path : "<NULL path>"); 51667c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 51677c478bd9Sstevel@tonic-gate } 51687c478bd9Sstevel@tonic-gate 51697c478bd9Sstevel@tonic-gate if (devfs_path == NULL) { 51707c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: NULL path\n", fcn); 51717c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 51727c478bd9Sstevel@tonic-gate } 51737c478bd9Sstevel@tonic-gate 51747c478bd9Sstevel@tonic-gate if (nrules <= 0 || index < 0 || index >= nrules || buf == NULL) { 51757c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid arguments. path: %s\n", 51767c478bd9Sstevel@tonic-gate fcn, devfs_path); 51777c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 51787c478bd9Sstevel@tonic-gate } 51797c478bd9Sstevel@tonic-gate 51807c478bd9Sstevel@tonic-gate *buf = NULL; 51817c478bd9Sstevel@tonic-gate 51827c478bd9Sstevel@tonic-gate 51837c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(devfs_path, &rules[index]); 51847c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 51857c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 51867c478bd9Sstevel@tonic-gate } 51877c478bd9Sstevel@tonic-gate 51887c478bd9Sstevel@tonic-gate if ((set = get_enum_cache(rules, nrules)) == NULL) { 51897c478bd9Sstevel@tonic-gate free(cmp_str); 51907c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 51917c478bd9Sstevel@tonic-gate } 51927c478bd9Sstevel@tonic-gate 51937c478bd9Sstevel@tonic-gate assert(nrules == set->re_count); 51947c478bd9Sstevel@tonic-gate 51957c478bd9Sstevel@tonic-gate /* 51967c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 51977c478bd9Sstevel@tonic-gate */ 51987c478bd9Sstevel@tonic-gate matchcount = lookup_enum_cache(set, cmp_str, rules, index, 51997c478bd9Sstevel@tonic-gate &matchnp); 52007c478bd9Sstevel@tonic-gate 52017c478bd9Sstevel@tonic-gate if (matchcount < 0 || matchcount > 1) { 52027c478bd9Sstevel@tonic-gate free(cmp_str); 52037c478bd9Sstevel@tonic-gate if (multiple && matchcount > 1) 52047c478bd9Sstevel@tonic-gate return (DEVFSADM_MULTIPLE); 52057c478bd9Sstevel@tonic-gate else 52067c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 52077c478bd9Sstevel@tonic-gate } 52087c478bd9Sstevel@tonic-gate 52097c478bd9Sstevel@tonic-gate /* if matching entry already cached, return it */ 52107c478bd9Sstevel@tonic-gate if (matchcount == 1) { 52117c478bd9Sstevel@tonic-gate *buf = s_strdup(matchnp->id); 52127c478bd9Sstevel@tonic-gate free(cmp_str); 52137c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 52147c478bd9Sstevel@tonic-gate } 52157c478bd9Sstevel@tonic-gate 52167c478bd9Sstevel@tonic-gate /* 52177c478bd9Sstevel@tonic-gate * no cached entry, initialize a numeral struct 52187c478bd9Sstevel@tonic-gate * by calling new_id() and cache onto the numeral_set 52197c478bd9Sstevel@tonic-gate */ 52207c478bd9Sstevel@tonic-gate numeral = s_malloc(sizeof (numeral_t)); 52217c478bd9Sstevel@tonic-gate numeral->id = new_id(set->headnumeral, type, min); 52227c478bd9Sstevel@tonic-gate numeral->full_path = s_strdup(devfs_path); 52237c478bd9Sstevel@tonic-gate numeral->rule_index = index; 52247c478bd9Sstevel@tonic-gate numeral->cmp_str = cmp_str; 52257c478bd9Sstevel@tonic-gate cmp_str = NULL; 52267c478bd9Sstevel@tonic-gate 52277c478bd9Sstevel@tonic-gate /* insert to head of list for fast lookups */ 52287c478bd9Sstevel@tonic-gate numeral->next = set->headnumeral; 52297c478bd9Sstevel@tonic-gate set->headnumeral = numeral; 52307c478bd9Sstevel@tonic-gate 52317c478bd9Sstevel@tonic-gate *buf = s_strdup(numeral->id); 52327c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 52337c478bd9Sstevel@tonic-gate } 52347c478bd9Sstevel@tonic-gate 52357c478bd9Sstevel@tonic-gate 52367c478bd9Sstevel@tonic-gate /* 52377c478bd9Sstevel@tonic-gate * Looks up the specified cache for a match with a specified string 52387c478bd9Sstevel@tonic-gate * Returns: 52397c478bd9Sstevel@tonic-gate * -1 : on error. 52407c478bd9Sstevel@tonic-gate * 0/1/2 : Number of matches. 52417c478bd9Sstevel@tonic-gate * Returns the matching element only if there is a single match. 52427c478bd9Sstevel@tonic-gate * If the "uncached" flag is set, derives the "cmp_str" afresh 52437c478bd9Sstevel@tonic-gate * for the match instead of using cached values. 52447c478bd9Sstevel@tonic-gate */ 52457c478bd9Sstevel@tonic-gate static int 52467c478bd9Sstevel@tonic-gate lookup_enum_cache(numeral_set_t *set, char *cmp_str, 52477c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index, numeral_t **matchnpp) 52487c478bd9Sstevel@tonic-gate { 52497c478bd9Sstevel@tonic-gate int matchcount = 0, rv = -1; 52507c478bd9Sstevel@tonic-gate int uncached; 52517c478bd9Sstevel@tonic-gate numeral_t *np; 52527c478bd9Sstevel@tonic-gate char *fcn = "lookup_enum_cache"; 52537c478bd9Sstevel@tonic-gate char *cp; 52547c478bd9Sstevel@tonic-gate 52557c478bd9Sstevel@tonic-gate *matchnpp = NULL; 52567c478bd9Sstevel@tonic-gate 52577c478bd9Sstevel@tonic-gate assert(index < set->re_count); 52587c478bd9Sstevel@tonic-gate 52597c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 52607c478bd9Sstevel@tonic-gate return (-1); 52617c478bd9Sstevel@tonic-gate } 52627c478bd9Sstevel@tonic-gate 52637c478bd9Sstevel@tonic-gate uncached = 0; 52647c478bd9Sstevel@tonic-gate if ((rules[index].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 52657c478bd9Sstevel@tonic-gate uncached = 1; 52667c478bd9Sstevel@tonic-gate } 52677c478bd9Sstevel@tonic-gate 52687c478bd9Sstevel@tonic-gate /* 52697c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 52707c478bd9Sstevel@tonic-gate */ 52717c478bd9Sstevel@tonic-gate for (np = set->headnumeral; np != NULL; np = np->next) { 52727c478bd9Sstevel@tonic-gate if (np->cmp_str == NULL) { 52737c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid entry in enumerate" 52747c478bd9Sstevel@tonic-gate " cache. path: %s\n", fcn, np->full_path); 52757c478bd9Sstevel@tonic-gate return (-1); 52767c478bd9Sstevel@tonic-gate } 52777c478bd9Sstevel@tonic-gate 52787c478bd9Sstevel@tonic-gate if (uncached) { 52797c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: bypassing enumerate cache." 52807c478bd9Sstevel@tonic-gate " path: %s\n", fcn, cmp_str); 52817c478bd9Sstevel@tonic-gate cp = alloc_cmp_str(np->full_path, 52827c478bd9Sstevel@tonic-gate &rules[np->rule_index]); 52837c478bd9Sstevel@tonic-gate if (cp == NULL) 52847c478bd9Sstevel@tonic-gate return (-1); 52857c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, cp); 52867c478bd9Sstevel@tonic-gate free(cp); 52877c478bd9Sstevel@tonic-gate } else { 52887c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, np->cmp_str); 52897c478bd9Sstevel@tonic-gate } 52907c478bd9Sstevel@tonic-gate 52917c478bd9Sstevel@tonic-gate if (rv == 0) { 52927c478bd9Sstevel@tonic-gate if (matchcount++ != 0) { 52937c478bd9Sstevel@tonic-gate break; /* more than 1 match. */ 52947c478bd9Sstevel@tonic-gate } 52957c478bd9Sstevel@tonic-gate *matchnpp = np; 52967c478bd9Sstevel@tonic-gate } 52977c478bd9Sstevel@tonic-gate } 52987c478bd9Sstevel@tonic-gate 52997c478bd9Sstevel@tonic-gate return (matchcount); 53007c478bd9Sstevel@tonic-gate } 53017c478bd9Sstevel@tonic-gate 53027c478bd9Sstevel@tonic-gate #ifdef DEBUG 53037c478bd9Sstevel@tonic-gate static void 53047c478bd9Sstevel@tonic-gate dump_enum_cache(numeral_set_t *setp) 53057c478bd9Sstevel@tonic-gate { 53067c478bd9Sstevel@tonic-gate int i; 53077c478bd9Sstevel@tonic-gate numeral_t *np; 53087c478bd9Sstevel@tonic-gate char *fcn = "dump_enum_cache"; 53097c478bd9Sstevel@tonic-gate 53107c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re_count = %d\n", fcn, setp->re_count); 53117c478bd9Sstevel@tonic-gate for (i = 0; i < setp->re_count; i++) { 53127c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re[%d] = %s\n", fcn, i, setp->re[i]); 53137c478bd9Sstevel@tonic-gate } 53147c478bd9Sstevel@tonic-gate 53157c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 53167c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: id: %s\n", fcn, np->id); 53177c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: full_path: %s\n", fcn, np->full_path); 53187c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: rule_index: %d\n", fcn, np->rule_index); 53197c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: cmp_str: %s\n", fcn, np->cmp_str); 53207c478bd9Sstevel@tonic-gate } 53217c478bd9Sstevel@tonic-gate } 53227c478bd9Sstevel@tonic-gate #endif 53237c478bd9Sstevel@tonic-gate 53247c478bd9Sstevel@tonic-gate /* 53257c478bd9Sstevel@tonic-gate * For a given set of regular expressions in rules[], this function returns 53267c478bd9Sstevel@tonic-gate * either a previously cached struct numeral_set or it will create and 53277c478bd9Sstevel@tonic-gate * cache a new struct numeral_set. There is only one struct numeral_set 53287c478bd9Sstevel@tonic-gate * for the combination of REs present in rules[]. Each numeral_set contains 53297c478bd9Sstevel@tonic-gate * the regular expressions in rules[] used for cache selection AND a linked 53307c478bd9Sstevel@tonic-gate * list of struct numerals, ONE FOR EACH *UNIQUE* numeral or character ID 53317c478bd9Sstevel@tonic-gate * selected by the grouping parenthesized subexpression found in the last 53327c478bd9Sstevel@tonic-gate * path component of each rules[].re. For example, the RE: "rmt/([0-9]+)" 53337c478bd9Sstevel@tonic-gate * selects all the logical nodes of the correct form in dev/rmt/. 53347c478bd9Sstevel@tonic-gate * Each rmt/X will store a *single* struct numeral... ie 0, 1, 2 each get a 53357c478bd9Sstevel@tonic-gate * single struct numeral. There is no need to store more than a single logical 53367c478bd9Sstevel@tonic-gate * node matching X since the information desired in the devfspath would be 53377c478bd9Sstevel@tonic-gate * identical for the portion of the devfspath of interest. (the part up to, 53387c478bd9Sstevel@tonic-gate * but not including the minor name in this example.) 53397c478bd9Sstevel@tonic-gate * 53407c478bd9Sstevel@tonic-gate * If the given numeral_set is not yet cached, call enumerate_recurse to 53417c478bd9Sstevel@tonic-gate * create it. 53427c478bd9Sstevel@tonic-gate */ 53437c478bd9Sstevel@tonic-gate static numeral_set_t * 53447c478bd9Sstevel@tonic-gate get_enum_cache(devfsadm_enumerate_t rules[], int nrules) 53457c478bd9Sstevel@tonic-gate { 53467c478bd9Sstevel@tonic-gate /* linked list of numeral sets */ 53477c478bd9Sstevel@tonic-gate numeral_set_t *setp; 53487c478bd9Sstevel@tonic-gate int i; 53497c478bd9Sstevel@tonic-gate char *path_left; 53507c478bd9Sstevel@tonic-gate char *fcn = "get_enum_cache"; 53517c478bd9Sstevel@tonic-gate 53527c478bd9Sstevel@tonic-gate /* 53537c478bd9Sstevel@tonic-gate * See if we've already cached this numeral set. 53547c478bd9Sstevel@tonic-gate */ 53557c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; setp = setp->next) { 53567c478bd9Sstevel@tonic-gate /* 53577c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 53587c478bd9Sstevel@tonic-gate * those in cached set. 53597c478bd9Sstevel@tonic-gate */ 53607c478bd9Sstevel@tonic-gate if (nrules != setp->re_count) { 53617c478bd9Sstevel@tonic-gate continue; 53627c478bd9Sstevel@tonic-gate } 53637c478bd9Sstevel@tonic-gate 53647c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 53657c478bd9Sstevel@tonic-gate if (strcmp(setp->re[i], rules[i].re) != 0) { 53667c478bd9Sstevel@tonic-gate break; 53677c478bd9Sstevel@tonic-gate } 53687c478bd9Sstevel@tonic-gate } 53697c478bd9Sstevel@tonic-gate 53707c478bd9Sstevel@tonic-gate if (i == nrules) { 53717c478bd9Sstevel@tonic-gate return (setp); 53727c478bd9Sstevel@tonic-gate } 53737c478bd9Sstevel@tonic-gate } 53747c478bd9Sstevel@tonic-gate 53757c478bd9Sstevel@tonic-gate /* 53767c478bd9Sstevel@tonic-gate * If the MATCH_UNCACHED flag is set, we should not be here. 53777c478bd9Sstevel@tonic-gate */ 53787c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 53797c478bd9Sstevel@tonic-gate if ((rules[i].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 53807c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: " 53817c478bd9Sstevel@tonic-gate "0x%x\n", fcn, rules[i].flags); 53827c478bd9Sstevel@tonic-gate return (NULL); 53837c478bd9Sstevel@tonic-gate } 53847c478bd9Sstevel@tonic-gate } 53857c478bd9Sstevel@tonic-gate 53867c478bd9Sstevel@tonic-gate /* 53877c478bd9Sstevel@tonic-gate * Since we made it here, we have not yet cached the given set of 53887c478bd9Sstevel@tonic-gate * logical nodes matching the passed re. Create a cached entry 53897c478bd9Sstevel@tonic-gate * struct numeral_set and populate it with a minimal set of 53907c478bd9Sstevel@tonic-gate * logical nodes from /dev. 53917c478bd9Sstevel@tonic-gate */ 53927c478bd9Sstevel@tonic-gate 53937c478bd9Sstevel@tonic-gate setp = s_malloc(sizeof (numeral_set_t)); 53947c478bd9Sstevel@tonic-gate setp->re = s_malloc(sizeof (char *) * nrules); 53957c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 53967c478bd9Sstevel@tonic-gate setp->re[i] = s_strdup(rules[i].re); 53977c478bd9Sstevel@tonic-gate } 53987c478bd9Sstevel@tonic-gate setp->re_count = nrules; 53997c478bd9Sstevel@tonic-gate setp->headnumeral = NULL; 54007c478bd9Sstevel@tonic-gate 54017c478bd9Sstevel@tonic-gate /* put this new cached set on the cached set list */ 54027c478bd9Sstevel@tonic-gate setp->next = head_numeral_set; 54037c478bd9Sstevel@tonic-gate head_numeral_set = setp; 54047c478bd9Sstevel@tonic-gate 54057c478bd9Sstevel@tonic-gate /* 54067c478bd9Sstevel@tonic-gate * For each RE, search disk and cache any matches on the 54077c478bd9Sstevel@tonic-gate * numeral list. We are careful to use global_dev_dir here since 54087c478bd9Sstevel@tonic-gate * for zones, we want to use the global zone's enumeration as the 54097c478bd9Sstevel@tonic-gate * source for enumeration within the zone. Otherwise, for example, 54107c478bd9Sstevel@tonic-gate * controller numbering would be wrong within the zone. 54117c478bd9Sstevel@tonic-gate */ 54127c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 54137c478bd9Sstevel@tonic-gate path_left = s_strdup(setp->re[i]); 54147c478bd9Sstevel@tonic-gate enumerate_recurse(global_dev_dir, path_left, setp, rules, i); 54157c478bd9Sstevel@tonic-gate free(path_left); 54167c478bd9Sstevel@tonic-gate } 54177c478bd9Sstevel@tonic-gate 54187c478bd9Sstevel@tonic-gate #ifdef DEBUG 54197c478bd9Sstevel@tonic-gate dump_enum_cache(setp); 54207c478bd9Sstevel@tonic-gate #endif 54217c478bd9Sstevel@tonic-gate 54227c478bd9Sstevel@tonic-gate return (setp); 54237c478bd9Sstevel@tonic-gate } 54247c478bd9Sstevel@tonic-gate 54257c478bd9Sstevel@tonic-gate 54267c478bd9Sstevel@tonic-gate /* 54277c478bd9Sstevel@tonic-gate * This function stats the pathname namebuf. If this is a directory 54287c478bd9Sstevel@tonic-gate * entry, we recurse down dname/fname until we find the first symbolic 54297c478bd9Sstevel@tonic-gate * link, and then stat and return it. This is valid for the same reason 54307c478bd9Sstevel@tonic-gate * that we only need to read a single pathname for multiple matching 54317c478bd9Sstevel@tonic-gate * logical ID's... ie, all the logical nodes should contain identical 54327c478bd9Sstevel@tonic-gate * physical paths for the parts we are interested. 54337c478bd9Sstevel@tonic-gate */ 54347c478bd9Sstevel@tonic-gate int 54357c478bd9Sstevel@tonic-gate get_stat_info(char *namebuf, struct stat *sb) 54367c478bd9Sstevel@tonic-gate { 54377c478bd9Sstevel@tonic-gate struct dirent *entp; 54387c478bd9Sstevel@tonic-gate DIR *dp; 54397c478bd9Sstevel@tonic-gate char *cp; 54407c478bd9Sstevel@tonic-gate 54417c478bd9Sstevel@tonic-gate if (lstat(namebuf, sb) < 0) { 54427c478bd9Sstevel@tonic-gate (void) err_print(LSTAT_FAILED, namebuf, strerror(errno)); 54437c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 54447c478bd9Sstevel@tonic-gate } 54457c478bd9Sstevel@tonic-gate 54467c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFLNK) { 54477c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54487c478bd9Sstevel@tonic-gate } 54497c478bd9Sstevel@tonic-gate 54507c478bd9Sstevel@tonic-gate /* 54517c478bd9Sstevel@tonic-gate * If it is a dir, recurse down until we find a link and 54527c478bd9Sstevel@tonic-gate * then use the link. 54537c478bd9Sstevel@tonic-gate */ 54547c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFDIR) { 54557c478bd9Sstevel@tonic-gate 54567c478bd9Sstevel@tonic-gate if ((dp = opendir(namebuf)) == NULL) { 54577c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 54587c478bd9Sstevel@tonic-gate } 54597c478bd9Sstevel@tonic-gate 54607c478bd9Sstevel@tonic-gate /* 54617c478bd9Sstevel@tonic-gate * Search each dir entry looking for a symlink. Return 54627c478bd9Sstevel@tonic-gate * the first symlink found in namebuf. Recurse dirs. 54637c478bd9Sstevel@tonic-gate */ 54644bc0a2efScasper while ((entp = readdir(dp)) != NULL) { 54657c478bd9Sstevel@tonic-gate if (strcmp(entp->d_name, ".") == 0 || 54667c478bd9Sstevel@tonic-gate strcmp(entp->d_name, "..") == 0) { 54677c478bd9Sstevel@tonic-gate continue; 54687c478bd9Sstevel@tonic-gate } 54697c478bd9Sstevel@tonic-gate 54707c478bd9Sstevel@tonic-gate cp = namebuf + strlen(namebuf); 54717c478bd9Sstevel@tonic-gate (void) strcat(namebuf, "/"); 54727c478bd9Sstevel@tonic-gate (void) strcat(namebuf, entp->d_name); 54737c478bd9Sstevel@tonic-gate if (get_stat_info(namebuf, sb) == DEVFSADM_SUCCESS) { 54747c478bd9Sstevel@tonic-gate s_closedir(dp); 54757c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54767c478bd9Sstevel@tonic-gate } 54777c478bd9Sstevel@tonic-gate *cp = '\0'; 54787c478bd9Sstevel@tonic-gate } 54797c478bd9Sstevel@tonic-gate s_closedir(dp); 54807c478bd9Sstevel@tonic-gate } 54817c478bd9Sstevel@tonic-gate 54827c478bd9Sstevel@tonic-gate /* no symlink found, so return error */ 54837c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 54847c478bd9Sstevel@tonic-gate } 54857c478bd9Sstevel@tonic-gate 54867c478bd9Sstevel@tonic-gate /* 54877c478bd9Sstevel@tonic-gate * An existing matching ID was not found, so this function is called to 54887c478bd9Sstevel@tonic-gate * create the next lowest ID. In the INTEGER case, return the next 54897c478bd9Sstevel@tonic-gate * lowest unused integer. In the case of LETTER, return the next lowest 54907c478bd9Sstevel@tonic-gate * unused letter. Return empty string if all 26 are used. 54917c478bd9Sstevel@tonic-gate * Only IDs >= min will be returned. 54927c478bd9Sstevel@tonic-gate */ 54937c478bd9Sstevel@tonic-gate char * 54947c478bd9Sstevel@tonic-gate new_id(numeral_t *numeral, int type, char *min) 54957c478bd9Sstevel@tonic-gate { 54967c478bd9Sstevel@tonic-gate int imin; 54977c478bd9Sstevel@tonic-gate temp_t *temp; 54987c478bd9Sstevel@tonic-gate temp_t *ptr; 54997c478bd9Sstevel@tonic-gate temp_t **previous; 55007c478bd9Sstevel@tonic-gate temp_t *head = NULL; 55017c478bd9Sstevel@tonic-gate char *retval; 55027c478bd9Sstevel@tonic-gate static char tempbuff[8]; 55037c478bd9Sstevel@tonic-gate numeral_t *np; 55047c478bd9Sstevel@tonic-gate 55057c478bd9Sstevel@tonic-gate if (type == LETTER) { 55067c478bd9Sstevel@tonic-gate 55077c478bd9Sstevel@tonic-gate char letter[26], i; 55087c478bd9Sstevel@tonic-gate 55097c478bd9Sstevel@tonic-gate if (numeral == NULL) { 55107c478bd9Sstevel@tonic-gate return (s_strdup(min)); 55117c478bd9Sstevel@tonic-gate } 55127c478bd9Sstevel@tonic-gate 55137c478bd9Sstevel@tonic-gate for (i = 0; i < 26; i++) { 55147c478bd9Sstevel@tonic-gate letter[i] = 0; 55157c478bd9Sstevel@tonic-gate } 55167c478bd9Sstevel@tonic-gate 55177c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 55187c478bd9Sstevel@tonic-gate letter[*np->id - 'a']++; 55197c478bd9Sstevel@tonic-gate } 55207c478bd9Sstevel@tonic-gate 55217c478bd9Sstevel@tonic-gate imin = *min - 'a'; 55227c478bd9Sstevel@tonic-gate 55237c478bd9Sstevel@tonic-gate for (i = imin; i < 26; i++) { 55247c478bd9Sstevel@tonic-gate if (letter[i] == 0) { 55257c478bd9Sstevel@tonic-gate retval = s_malloc(2); 55267c478bd9Sstevel@tonic-gate retval[0] = 'a' + i; 55277c478bd9Sstevel@tonic-gate retval[1] = '\0'; 55287c478bd9Sstevel@tonic-gate return (retval); 55297c478bd9Sstevel@tonic-gate } 55307c478bd9Sstevel@tonic-gate } 55317c478bd9Sstevel@tonic-gate 55327c478bd9Sstevel@tonic-gate return (s_strdup("")); 55337c478bd9Sstevel@tonic-gate } 55347c478bd9Sstevel@tonic-gate 55357c478bd9Sstevel@tonic-gate if (type == INTEGER) { 55367c478bd9Sstevel@tonic-gate 55377c478bd9Sstevel@tonic-gate if (numeral == NULL) { 55387c478bd9Sstevel@tonic-gate return (s_strdup(min)); 55397c478bd9Sstevel@tonic-gate } 55407c478bd9Sstevel@tonic-gate 55417c478bd9Sstevel@tonic-gate imin = atoi(min); 55427c478bd9Sstevel@tonic-gate 55437c478bd9Sstevel@tonic-gate /* sort list */ 55447c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 55457c478bd9Sstevel@tonic-gate temp = s_malloc(sizeof (temp_t)); 55467c478bd9Sstevel@tonic-gate temp->integer = atoi(np->id); 55477c478bd9Sstevel@tonic-gate temp->next = NULL; 55487c478bd9Sstevel@tonic-gate 55497c478bd9Sstevel@tonic-gate previous = &head; 55507c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 55517c478bd9Sstevel@tonic-gate if (temp->integer < ptr->integer) { 55527c478bd9Sstevel@tonic-gate temp->next = ptr; 55537c478bd9Sstevel@tonic-gate *previous = temp; 55547c478bd9Sstevel@tonic-gate break; 55557c478bd9Sstevel@tonic-gate } 55567c478bd9Sstevel@tonic-gate previous = &(ptr->next); 55577c478bd9Sstevel@tonic-gate } 55587c478bd9Sstevel@tonic-gate if (ptr == NULL) { 55597c478bd9Sstevel@tonic-gate *previous = temp; 55607c478bd9Sstevel@tonic-gate } 55617c478bd9Sstevel@tonic-gate } 55627c478bd9Sstevel@tonic-gate 55637c478bd9Sstevel@tonic-gate /* now search sorted list for first hole >= imin */ 55647c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 55657c478bd9Sstevel@tonic-gate if (imin == ptr->integer) { 55667c478bd9Sstevel@tonic-gate imin++; 55677c478bd9Sstevel@tonic-gate } else { 55687c478bd9Sstevel@tonic-gate if (imin < ptr->integer) { 55697c478bd9Sstevel@tonic-gate break; 55707c478bd9Sstevel@tonic-gate } 55717c478bd9Sstevel@tonic-gate } 55727c478bd9Sstevel@tonic-gate 55737c478bd9Sstevel@tonic-gate } 55747c478bd9Sstevel@tonic-gate 55757c478bd9Sstevel@tonic-gate /* free temp list */ 55767c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ) { 55777c478bd9Sstevel@tonic-gate temp = ptr; 55787c478bd9Sstevel@tonic-gate ptr = ptr->next; 55797c478bd9Sstevel@tonic-gate free(temp); 55807c478bd9Sstevel@tonic-gate } 55817c478bd9Sstevel@tonic-gate 55827c478bd9Sstevel@tonic-gate (void) sprintf(tempbuff, "%d", imin); 55837c478bd9Sstevel@tonic-gate return (s_strdup(tempbuff)); 55847c478bd9Sstevel@tonic-gate } 55857c478bd9Sstevel@tonic-gate 55867c478bd9Sstevel@tonic-gate return (s_strdup("")); 55877c478bd9Sstevel@tonic-gate } 55887c478bd9Sstevel@tonic-gate 55897c478bd9Sstevel@tonic-gate /* 55907c478bd9Sstevel@tonic-gate * Search current_dir for all files which match the first path component 55917c478bd9Sstevel@tonic-gate * of path_left, which is an RE. If a match is found, but there are more 55927c478bd9Sstevel@tonic-gate * components of path_left, then recurse, otherwise, if we have reached 55937c478bd9Sstevel@tonic-gate * the last component of path_left, call create_cached_numerals for each 55947c478bd9Sstevel@tonic-gate * file. At some point, recurse_dev_re() should be rewritten so that this 55957c478bd9Sstevel@tonic-gate * function can be eliminated. 55967c478bd9Sstevel@tonic-gate */ 55977c478bd9Sstevel@tonic-gate static void 55987c478bd9Sstevel@tonic-gate enumerate_recurse(char *current_dir, char *path_left, numeral_set_t *setp, 55997c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 56007c478bd9Sstevel@tonic-gate { 56017c478bd9Sstevel@tonic-gate char *slash; 56027c478bd9Sstevel@tonic-gate char *new_path; 56037c478bd9Sstevel@tonic-gate char *numeral_id; 56047c478bd9Sstevel@tonic-gate struct dirent *entp; 56057c478bd9Sstevel@tonic-gate DIR *dp; 56067c478bd9Sstevel@tonic-gate 56077c478bd9Sstevel@tonic-gate if ((dp = opendir(current_dir)) == NULL) { 56087c478bd9Sstevel@tonic-gate return; 56097c478bd9Sstevel@tonic-gate } 56107c478bd9Sstevel@tonic-gate 56117c478bd9Sstevel@tonic-gate /* get rid of any extra '/' */ 56127c478bd9Sstevel@tonic-gate while (*path_left == '/') { 56137c478bd9Sstevel@tonic-gate path_left++; 56147c478bd9Sstevel@tonic-gate } 56157c478bd9Sstevel@tonic-gate 56167c478bd9Sstevel@tonic-gate if (slash = strchr(path_left, '/')) { 56177c478bd9Sstevel@tonic-gate *slash = '\0'; 56187c478bd9Sstevel@tonic-gate } 56197c478bd9Sstevel@tonic-gate 56204bc0a2efScasper while ((entp = readdir(dp)) != NULL) { 56217c478bd9Sstevel@tonic-gate 56227c478bd9Sstevel@tonic-gate if (strcmp(entp->d_name, ".") == 0 || 56237c478bd9Sstevel@tonic-gate strcmp(entp->d_name, "..") == 0) { 56247c478bd9Sstevel@tonic-gate continue; 56257c478bd9Sstevel@tonic-gate } 56267c478bd9Sstevel@tonic-gate 56277c478bd9Sstevel@tonic-gate /* 56287c478bd9Sstevel@tonic-gate * Returns true if path_left matches entp->d_name 56297c478bd9Sstevel@tonic-gate * If it is the last path component, pass subexp 56307c478bd9Sstevel@tonic-gate * so that it will return the corresponding ID in 56317c478bd9Sstevel@tonic-gate * numeral_id. 56327c478bd9Sstevel@tonic-gate */ 56337c478bd9Sstevel@tonic-gate numeral_id = NULL; 56347c478bd9Sstevel@tonic-gate if (match_path_component(path_left, entp->d_name, &numeral_id, 56357c478bd9Sstevel@tonic-gate slash ? 0 : rules[index].subexp)) { 56367c478bd9Sstevel@tonic-gate 56377c478bd9Sstevel@tonic-gate new_path = s_malloc(strlen(current_dir) + 56387c478bd9Sstevel@tonic-gate strlen(entp->d_name) + 2); 56397c478bd9Sstevel@tonic-gate 56407c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 56417c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 56427c478bd9Sstevel@tonic-gate (void) strcat(new_path, entp->d_name); 56437c478bd9Sstevel@tonic-gate 56447c478bd9Sstevel@tonic-gate if (slash != NULL) { 56457c478bd9Sstevel@tonic-gate enumerate_recurse(new_path, slash + 1, 56467c478bd9Sstevel@tonic-gate setp, rules, index); 56477c478bd9Sstevel@tonic-gate } else { 56487c478bd9Sstevel@tonic-gate create_cached_numeral(new_path, setp, 56497c478bd9Sstevel@tonic-gate numeral_id, rules, index); 56507c478bd9Sstevel@tonic-gate if (numeral_id != NULL) { 56517c478bd9Sstevel@tonic-gate free(numeral_id); 56527c478bd9Sstevel@tonic-gate } 56537c478bd9Sstevel@tonic-gate } 56547c478bd9Sstevel@tonic-gate free(new_path); 56557c478bd9Sstevel@tonic-gate } 56567c478bd9Sstevel@tonic-gate } 56577c478bd9Sstevel@tonic-gate 56587c478bd9Sstevel@tonic-gate if (slash != NULL) { 56597c478bd9Sstevel@tonic-gate *slash = '/'; 56607c478bd9Sstevel@tonic-gate } 56617c478bd9Sstevel@tonic-gate s_closedir(dp); 56627c478bd9Sstevel@tonic-gate } 56637c478bd9Sstevel@tonic-gate 56647c478bd9Sstevel@tonic-gate 56657c478bd9Sstevel@tonic-gate /* 56667c478bd9Sstevel@tonic-gate * Returns true if file matches file_re. If subexp is non-zero, it means 56677c478bd9Sstevel@tonic-gate * we are searching the last path component and need to return the 56687c478bd9Sstevel@tonic-gate * parenthesized subexpression subexp in id. 56697c478bd9Sstevel@tonic-gate * 56707c478bd9Sstevel@tonic-gate */ 56717c478bd9Sstevel@tonic-gate static int 56727c478bd9Sstevel@tonic-gate match_path_component(char *file_re, char *file, char **id, int subexp) 56737c478bd9Sstevel@tonic-gate { 56747c478bd9Sstevel@tonic-gate regex_t re1; 56757c478bd9Sstevel@tonic-gate int match = 0; 56767c478bd9Sstevel@tonic-gate int nelements; 56777c478bd9Sstevel@tonic-gate regmatch_t *pmatch; 56787c478bd9Sstevel@tonic-gate 56797c478bd9Sstevel@tonic-gate if (subexp != 0) { 56807c478bd9Sstevel@tonic-gate nelements = subexp + 1; 56817c478bd9Sstevel@tonic-gate pmatch = (regmatch_t *) 56827c478bd9Sstevel@tonic-gate s_malloc(sizeof (regmatch_t) * nelements); 56837c478bd9Sstevel@tonic-gate } else { 56847c478bd9Sstevel@tonic-gate pmatch = NULL; 56857c478bd9Sstevel@tonic-gate nelements = 0; 56867c478bd9Sstevel@tonic-gate } 56877c478bd9Sstevel@tonic-gate 56887c478bd9Sstevel@tonic-gate if (regcomp(&re1, file_re, REG_EXTENDED) != 0) { 56897c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 56907c478bd9Sstevel@tonic-gate free(pmatch); 56917c478bd9Sstevel@tonic-gate } 56927c478bd9Sstevel@tonic-gate return (0); 56937c478bd9Sstevel@tonic-gate } 56947c478bd9Sstevel@tonic-gate 56957c478bd9Sstevel@tonic-gate if (regexec(&re1, file, nelements, pmatch, 0) == 0) { 56967c478bd9Sstevel@tonic-gate match = 1; 56977c478bd9Sstevel@tonic-gate } 56987c478bd9Sstevel@tonic-gate 56997c478bd9Sstevel@tonic-gate if ((match != 0) && (subexp != 0)) { 57007c478bd9Sstevel@tonic-gate int size = pmatch[subexp].rm_eo - pmatch[subexp].rm_so; 57017c478bd9Sstevel@tonic-gate *id = s_malloc(size + 1); 57027c478bd9Sstevel@tonic-gate (void) strncpy(*id, &file[pmatch[subexp].rm_so], size); 57037c478bd9Sstevel@tonic-gate (*id)[size] = '\0'; 57047c478bd9Sstevel@tonic-gate } 57057c478bd9Sstevel@tonic-gate 57067c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 57077c478bd9Sstevel@tonic-gate free(pmatch); 57087c478bd9Sstevel@tonic-gate } 57097c478bd9Sstevel@tonic-gate regfree(&re1); 57107c478bd9Sstevel@tonic-gate return (match); 57117c478bd9Sstevel@tonic-gate } 57127c478bd9Sstevel@tonic-gate 57137c478bd9Sstevel@tonic-gate /* 57147c478bd9Sstevel@tonic-gate * This function is called for every file which matched the leaf 57157c478bd9Sstevel@tonic-gate * component of the RE. If the "numeral_id" is not already on the 57167c478bd9Sstevel@tonic-gate * numeral set's numeral list, add it and its physical path. 57177c478bd9Sstevel@tonic-gate */ 57187c478bd9Sstevel@tonic-gate static void 57197c478bd9Sstevel@tonic-gate create_cached_numeral(char *path, numeral_set_t *setp, char *numeral_id, 57207c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 57217c478bd9Sstevel@tonic-gate { 57227c478bd9Sstevel@tonic-gate char linkbuf[PATH_MAX + 1]; 57237c478bd9Sstevel@tonic-gate char lpath[PATH_MAX + 1]; 57247c478bd9Sstevel@tonic-gate char *linkptr, *cmp_str; 57257c478bd9Sstevel@tonic-gate numeral_t *np; 57267c478bd9Sstevel@tonic-gate int linksize; 57277c478bd9Sstevel@tonic-gate struct stat sb; 57287c478bd9Sstevel@tonic-gate const char *fcn = "create_cached_numeral"; 57297c478bd9Sstevel@tonic-gate 57307c478bd9Sstevel@tonic-gate assert(index >= 0 && index < setp->re_count); 57317c478bd9Sstevel@tonic-gate assert(strcmp(rules[index].re, setp->re[index]) == 0); 57327c478bd9Sstevel@tonic-gate 57337c478bd9Sstevel@tonic-gate /* 57347c478bd9Sstevel@tonic-gate * We found a numeral_id from an entry in /dev which matched 57357c478bd9Sstevel@tonic-gate * the re passed in from devfsadm_enumerate. We only need to make sure 57367c478bd9Sstevel@tonic-gate * ONE copy of numeral_id exists on the numeral list. We only need 57377c478bd9Sstevel@tonic-gate * to store /dev/dsk/cNtod0s0 and no other entries hanging off 57387c478bd9Sstevel@tonic-gate * of controller N. 57397c478bd9Sstevel@tonic-gate */ 57407c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 57417c478bd9Sstevel@tonic-gate if (strcmp(numeral_id, np->id) == 0) { 57427c478bd9Sstevel@tonic-gate return; 57437c478bd9Sstevel@tonic-gate } 57447c478bd9Sstevel@tonic-gate } 57457c478bd9Sstevel@tonic-gate 57467c478bd9Sstevel@tonic-gate /* NOT on list, so add it */ 57477c478bd9Sstevel@tonic-gate 57487c478bd9Sstevel@tonic-gate (void) strcpy(lpath, path); 57497c478bd9Sstevel@tonic-gate /* 57507c478bd9Sstevel@tonic-gate * If path is a dir, it is changed to the first symbolic link it find 57517c478bd9Sstevel@tonic-gate * if it finds one. 57527c478bd9Sstevel@tonic-gate */ 57537c478bd9Sstevel@tonic-gate if (get_stat_info(lpath, &sb) == DEVFSADM_FAILURE) { 57547c478bd9Sstevel@tonic-gate return; 57557c478bd9Sstevel@tonic-gate } 57567c478bd9Sstevel@tonic-gate 57577c478bd9Sstevel@tonic-gate /* If we get here, we found a symlink */ 57587c478bd9Sstevel@tonic-gate linksize = readlink(lpath, linkbuf, PATH_MAX); 57597c478bd9Sstevel@tonic-gate 57607c478bd9Sstevel@tonic-gate if (linksize <= 0) { 57617c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, lpath, strerror(errno)); 57627c478bd9Sstevel@tonic-gate return; 57637c478bd9Sstevel@tonic-gate } 57647c478bd9Sstevel@tonic-gate 57657c478bd9Sstevel@tonic-gate linkbuf[linksize] = '\0'; 57667c478bd9Sstevel@tonic-gate 57677c478bd9Sstevel@tonic-gate /* 57687c478bd9Sstevel@tonic-gate * the following just points linkptr to the root of the /devices 57697c478bd9Sstevel@tonic-gate * node if it is a minor node, otherwise, to the first char of 57707c478bd9Sstevel@tonic-gate * linkbuf if it is a link. 57717c478bd9Sstevel@tonic-gate */ 57727c478bd9Sstevel@tonic-gate (void) is_minor_node(linkbuf, &linkptr); 57737c478bd9Sstevel@tonic-gate 57747c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(linkptr, &rules[index]); 57757c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 57767c478bd9Sstevel@tonic-gate return; 57777c478bd9Sstevel@tonic-gate } 57787c478bd9Sstevel@tonic-gate 57797c478bd9Sstevel@tonic-gate np = s_malloc(sizeof (numeral_t)); 57807c478bd9Sstevel@tonic-gate 57817c478bd9Sstevel@tonic-gate np->id = s_strdup(numeral_id); 57827c478bd9Sstevel@tonic-gate np->full_path = s_strdup(linkptr); 57837c478bd9Sstevel@tonic-gate np->rule_index = index; 57847c478bd9Sstevel@tonic-gate np->cmp_str = cmp_str; 57857c478bd9Sstevel@tonic-gate 57867c478bd9Sstevel@tonic-gate np->next = setp->headnumeral; 57877c478bd9Sstevel@tonic-gate setp->headnumeral = np; 57887c478bd9Sstevel@tonic-gate } 57897c478bd9Sstevel@tonic-gate 57907c478bd9Sstevel@tonic-gate 57917c478bd9Sstevel@tonic-gate /* 57927c478bd9Sstevel@tonic-gate * This should be called either before or after granting access to a 57937c478bd9Sstevel@tonic-gate * command line version of devfsadm running, since it may have changed 57947c478bd9Sstevel@tonic-gate * the state of /dev. It forces future enumerate calls to re-build 57957c478bd9Sstevel@tonic-gate * cached information from /dev. 57967c478bd9Sstevel@tonic-gate */ 57977c478bd9Sstevel@tonic-gate void 57987c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(void) 57997c478bd9Sstevel@tonic-gate { 58007c478bd9Sstevel@tonic-gate numeral_set_t *setp; 58017c478bd9Sstevel@tonic-gate numeral_set_t *savedsetp; 58027c478bd9Sstevel@tonic-gate numeral_t *savednumset; 58037c478bd9Sstevel@tonic-gate numeral_t *numset; 58047c478bd9Sstevel@tonic-gate int i; 58057c478bd9Sstevel@tonic-gate 58067c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; ) { 58077c478bd9Sstevel@tonic-gate /* 58087c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 58097c478bd9Sstevel@tonic-gate * those in cached set. 58107c478bd9Sstevel@tonic-gate */ 58117c478bd9Sstevel@tonic-gate 58127c478bd9Sstevel@tonic-gate savedsetp = setp; 58137c478bd9Sstevel@tonic-gate setp = setp->next; 58147c478bd9Sstevel@tonic-gate 58157c478bd9Sstevel@tonic-gate for (i = 0; i < savedsetp->re_count; i++) { 58167c478bd9Sstevel@tonic-gate free(savedsetp->re[i]); 58177c478bd9Sstevel@tonic-gate } 58187c478bd9Sstevel@tonic-gate free(savedsetp->re); 58197c478bd9Sstevel@tonic-gate 58207c478bd9Sstevel@tonic-gate for (numset = savedsetp->headnumeral; numset != NULL; ) { 58217c478bd9Sstevel@tonic-gate savednumset = numset; 58227c478bd9Sstevel@tonic-gate numset = numset->next; 58237c478bd9Sstevel@tonic-gate assert(savednumset->rule_index < savedsetp->re_count); 58247c478bd9Sstevel@tonic-gate free(savednumset->id); 58257c478bd9Sstevel@tonic-gate free(savednumset->full_path); 58267c478bd9Sstevel@tonic-gate free(savednumset->cmp_str); 58277c478bd9Sstevel@tonic-gate free(savednumset); 58287c478bd9Sstevel@tonic-gate } 58297c478bd9Sstevel@tonic-gate free(savedsetp); 58307c478bd9Sstevel@tonic-gate } 58317c478bd9Sstevel@tonic-gate head_numeral_set = NULL; 58327c478bd9Sstevel@tonic-gate } 58337c478bd9Sstevel@tonic-gate 58347c478bd9Sstevel@tonic-gate /* 58357c478bd9Sstevel@tonic-gate * Copies over links from /dev to <root>/dev and device special files in 58367c478bd9Sstevel@tonic-gate * /devices to <root>/devices, preserving the existing file modes. If 58377c478bd9Sstevel@tonic-gate * the link or special file already exists on <root>, skip the copy. (it 58387c478bd9Sstevel@tonic-gate * would exist only if a package hard coded it there, so assume package 58397c478bd9Sstevel@tonic-gate * knows best?). Use /etc/name_to_major and <root>/etc/name_to_major to 58407c478bd9Sstevel@tonic-gate * make translations for major numbers on device special files. No need to 58417c478bd9Sstevel@tonic-gate * make a translation on minor_perm since if the file was created in the 58427c478bd9Sstevel@tonic-gate * miniroot then it would presumably have the same minor_perm entry in 58437c478bd9Sstevel@tonic-gate * <root>/etc/minor_perm. To be used only by install. 58447c478bd9Sstevel@tonic-gate */ 58457c478bd9Sstevel@tonic-gate int 58467c478bd9Sstevel@tonic-gate devfsadm_copy(void) 58477c478bd9Sstevel@tonic-gate { 58487c478bd9Sstevel@tonic-gate char filename[PATH_MAX + 1]; 58497c478bd9Sstevel@tonic-gate 58507c478bd9Sstevel@tonic-gate /* load the installed root's name_to_major for translations */ 58517c478bd9Sstevel@tonic-gate (void) snprintf(filename, sizeof (filename), "%s%s", root_dir, 58527c478bd9Sstevel@tonic-gate NAME_TO_MAJOR); 58537c478bd9Sstevel@tonic-gate if (load_n2m_table(filename) == DEVFSADM_FAILURE) { 58547c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58557c478bd9Sstevel@tonic-gate } 58567c478bd9Sstevel@tonic-gate 58577c478bd9Sstevel@tonic-gate /* Copy /dev to target disk. No need to copy /devices with devfs */ 58587c478bd9Sstevel@tonic-gate (void) nftw(DEV, devfsadm_copy_file, 20, FTW_PHYS); 58597c478bd9Sstevel@tonic-gate 58607c478bd9Sstevel@tonic-gate /* Let install handle copying over path_to_inst */ 58617c478bd9Sstevel@tonic-gate 58627c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58637c478bd9Sstevel@tonic-gate } 58647c478bd9Sstevel@tonic-gate 58657c478bd9Sstevel@tonic-gate /* 58667c478bd9Sstevel@tonic-gate * This function copies links, dirs, and device special files. 58677c478bd9Sstevel@tonic-gate * Note that it always returns DEVFSADM_SUCCESS, so that nftw doesn't 58687c478bd9Sstevel@tonic-gate * abort. 58697c478bd9Sstevel@tonic-gate */ 58707c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 58717c478bd9Sstevel@tonic-gate static int 58727c478bd9Sstevel@tonic-gate devfsadm_copy_file(const char *file, const struct stat *stat, 58737c478bd9Sstevel@tonic-gate int flags, struct FTW *ftw) 58747c478bd9Sstevel@tonic-gate { 58757c478bd9Sstevel@tonic-gate struct stat sp; 58767c478bd9Sstevel@tonic-gate dev_t newdev; 58777c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 58787c478bd9Sstevel@tonic-gate char linkcontents[PATH_MAX + 1]; 58797c478bd9Sstevel@tonic-gate int bytes; 58807c478bd9Sstevel@tonic-gate const char *fcn = "devfsadm_copy_file"; 58817c478bd9Sstevel@tonic-gate 58827c478bd9Sstevel@tonic-gate (void) strcpy(newfile, root_dir); 58837c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 58847c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 58857c478bd9Sstevel@tonic-gate 58867c478bd9Sstevel@tonic-gate if (lstat(newfile, &sp) == 0) { 58877c478bd9Sstevel@tonic-gate /* newfile already exists, so no need to continue */ 58887c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58897c478bd9Sstevel@tonic-gate } 58907c478bd9Sstevel@tonic-gate 58917c478bd9Sstevel@tonic-gate if (((stat->st_mode & S_IFMT) == S_IFBLK) || 58927c478bd9Sstevel@tonic-gate ((stat->st_mode & S_IFMT) == S_IFCHR)) { 58937c478bd9Sstevel@tonic-gate if (translate_major(stat->st_rdev, &newdev) == 58947c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 58957c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58967c478bd9Sstevel@tonic-gate } 58977c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, newdev) == -1) { 58987c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 58997c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 59007c478bd9Sstevel@tonic-gate } 59017c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFDIR) { 59027c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, 0) == -1) { 59037c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 59047c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 59057c478bd9Sstevel@tonic-gate } 59067c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFLNK) { 59077c478bd9Sstevel@tonic-gate if ((bytes = readlink(file, linkcontents, PATH_MAX)) == -1) { 59087c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, file, strerror(errno)); 59097c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 59107c478bd9Sstevel@tonic-gate } 59117c478bd9Sstevel@tonic-gate linkcontents[bytes] = '\0'; 59127c478bd9Sstevel@tonic-gate if (symlink(linkcontents, newfile) == -1) { 59137c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, newfile, newfile, 59147c478bd9Sstevel@tonic-gate strerror(errno)); 59157c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 59167c478bd9Sstevel@tonic-gate } 59177c478bd9Sstevel@tonic-gate } 59187c478bd9Sstevel@tonic-gate 59197c478bd9Sstevel@tonic-gate (void) lchown(newfile, stat->st_uid, stat->st_gid); 59207c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 59217c478bd9Sstevel@tonic-gate } 59227c478bd9Sstevel@tonic-gate 59237c478bd9Sstevel@tonic-gate /* 59247c478bd9Sstevel@tonic-gate * Given a dev_t from the running kernel, return the new_dev_t 59257c478bd9Sstevel@tonic-gate * by translating to the major number found on the installed 59267c478bd9Sstevel@tonic-gate * target's root name_to_major file. 59277c478bd9Sstevel@tonic-gate */ 59287c478bd9Sstevel@tonic-gate static int 59297c478bd9Sstevel@tonic-gate translate_major(dev_t old_dev, dev_t *new_dev) 59307c478bd9Sstevel@tonic-gate { 59317c478bd9Sstevel@tonic-gate major_t oldmajor; 59327c478bd9Sstevel@tonic-gate major_t newmajor; 59337c478bd9Sstevel@tonic-gate minor_t oldminor; 59347c478bd9Sstevel@tonic-gate minor_t newminor; 59357c478bd9Sstevel@tonic-gate char cdriver[FILENAME_MAX + 1]; 59367c478bd9Sstevel@tonic-gate char driver[FILENAME_MAX + 1]; 59377c478bd9Sstevel@tonic-gate char *fcn = "translate_major: "; 59387c478bd9Sstevel@tonic-gate 59397c478bd9Sstevel@tonic-gate oldmajor = major(old_dev); 59407c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, driver, sizeof (driver), 59417c478bd9Sstevel@tonic-gate &oldmajor) != 0) { 59427c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 59437c478bd9Sstevel@tonic-gate } 59447c478bd9Sstevel@tonic-gate 59457c478bd9Sstevel@tonic-gate if (strcmp(driver, "clone") != 0) { 59467c478bd9Sstevel@tonic-gate /* non-clone case */ 59477c478bd9Sstevel@tonic-gate 59487c478bd9Sstevel@tonic-gate /* look up major number is target's name2major */ 59497c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 59507c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 59517c478bd9Sstevel@tonic-gate } 59527c478bd9Sstevel@tonic-gate 59537c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, minor(old_dev)); 59547c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 59557c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: %lu,%lu " 59567c478bd9Sstevel@tonic-gate "new: %lu,%lu\n", fcn, driver, major(old_dev), 59577c478bd9Sstevel@tonic-gate minor(old_dev), major(*new_dev), 59587c478bd9Sstevel@tonic-gate minor(*new_dev)); 59597c478bd9Sstevel@tonic-gate } 59607c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 59617c478bd9Sstevel@tonic-gate } else { 59627c478bd9Sstevel@tonic-gate /* 59637c478bd9Sstevel@tonic-gate * The clone is a special case. Look at its minor 59647c478bd9Sstevel@tonic-gate * number since it is the major number of the real driver. 59657c478bd9Sstevel@tonic-gate */ 59667c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 59677c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 59687c478bd9Sstevel@tonic-gate } 59697c478bd9Sstevel@tonic-gate 59707c478bd9Sstevel@tonic-gate oldminor = minor(old_dev); 59717c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, cdriver, sizeof (cdriver), 59727c478bd9Sstevel@tonic-gate &oldminor) != 0) { 59737c478bd9Sstevel@tonic-gate err_print(MODGETNAME_FAILED, oldminor); 59747c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 59757c478bd9Sstevel@tonic-gate } 59767c478bd9Sstevel@tonic-gate 59777c478bd9Sstevel@tonic-gate if (get_major_no(cdriver, &newminor) == DEVFSADM_FAILURE) { 59787c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 59797c478bd9Sstevel@tonic-gate } 59807c478bd9Sstevel@tonic-gate 59817c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, newminor); 59827c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 59837c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: " 59847c478bd9Sstevel@tonic-gate "%lu,%lu new: %lu,%lu\n", fcn, driver, 59857c478bd9Sstevel@tonic-gate major(old_dev), minor(old_dev), 59867c478bd9Sstevel@tonic-gate major(*new_dev), minor(*new_dev)); 59877c478bd9Sstevel@tonic-gate } 59887c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 59897c478bd9Sstevel@tonic-gate } 59907c478bd9Sstevel@tonic-gate } 59917c478bd9Sstevel@tonic-gate 59927c478bd9Sstevel@tonic-gate /* 59937c478bd9Sstevel@tonic-gate * 59947c478bd9Sstevel@tonic-gate * Find the major number for driver, searching the n2m_list that was 59957c478bd9Sstevel@tonic-gate * built in load_n2m_table(). 59967c478bd9Sstevel@tonic-gate */ 59977c478bd9Sstevel@tonic-gate static int 59987c478bd9Sstevel@tonic-gate get_major_no(char *driver, major_t *major) 59997c478bd9Sstevel@tonic-gate { 60007c478bd9Sstevel@tonic-gate n2m_t *ptr; 60017c478bd9Sstevel@tonic-gate 60027c478bd9Sstevel@tonic-gate for (ptr = n2m_list; ptr != NULL; ptr = ptr->next) { 60037c478bd9Sstevel@tonic-gate if (strcmp(ptr->driver, driver) == 0) { 60047c478bd9Sstevel@tonic-gate *major = ptr->major; 60057c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 60067c478bd9Sstevel@tonic-gate } 60077c478bd9Sstevel@tonic-gate } 60087c478bd9Sstevel@tonic-gate err_print(FIND_MAJOR_FAILED, driver); 60097c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60107c478bd9Sstevel@tonic-gate } 60117c478bd9Sstevel@tonic-gate 60127c478bd9Sstevel@tonic-gate /* 60137c478bd9Sstevel@tonic-gate * Loads a name_to_major table into memory. Used only for suninstall's 60147c478bd9Sstevel@tonic-gate * private -R option to devfsadm, to translate major numbers from the 60157c478bd9Sstevel@tonic-gate * running to the installed target disk. 60167c478bd9Sstevel@tonic-gate */ 60177c478bd9Sstevel@tonic-gate static int 60187c478bd9Sstevel@tonic-gate load_n2m_table(char *file) 60197c478bd9Sstevel@tonic-gate { 60207c478bd9Sstevel@tonic-gate FILE *fp; 60217c478bd9Sstevel@tonic-gate char line[1024]; 60227c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 60237c478bd9Sstevel@tonic-gate major_t major; 60247c478bd9Sstevel@tonic-gate n2m_t *ptr; 60257c478bd9Sstevel@tonic-gate int ln = 0; 60267c478bd9Sstevel@tonic-gate 60277c478bd9Sstevel@tonic-gate if ((fp = fopen(file, "r")) == NULL) { 60287c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, file, strerror(errno)); 60297c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60307c478bd9Sstevel@tonic-gate } 60317c478bd9Sstevel@tonic-gate 60327c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 60337c478bd9Sstevel@tonic-gate ln++; 60347c478bd9Sstevel@tonic-gate if (line[0] == '#') { 60357c478bd9Sstevel@tonic-gate continue; 60367c478bd9Sstevel@tonic-gate } 60377c478bd9Sstevel@tonic-gate if (sscanf(line, "%1024s%lu", driver, &major) != 2) { 60387c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, file); 60397c478bd9Sstevel@tonic-gate continue; 60407c478bd9Sstevel@tonic-gate } 60417c478bd9Sstevel@tonic-gate ptr = (n2m_t *)s_malloc(sizeof (n2m_t)); 60427c478bd9Sstevel@tonic-gate ptr->major = major; 60437c478bd9Sstevel@tonic-gate ptr->driver = s_strdup(driver); 60447c478bd9Sstevel@tonic-gate ptr->next = n2m_list; 60457c478bd9Sstevel@tonic-gate n2m_list = ptr; 60467c478bd9Sstevel@tonic-gate } 60477c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 60487c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, file, strerror(errno)); 60497c478bd9Sstevel@tonic-gate } 60507c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 60517c478bd9Sstevel@tonic-gate } 60527c478bd9Sstevel@tonic-gate 60537c478bd9Sstevel@tonic-gate /* 60547c478bd9Sstevel@tonic-gate * Called at devfsadm startup to read in the devlink.tab file. Creates 60557c478bd9Sstevel@tonic-gate * a linked list of devlinktab_list structures which will be 60567c478bd9Sstevel@tonic-gate * searched for every minor node. 60577c478bd9Sstevel@tonic-gate */ 60587c478bd9Sstevel@tonic-gate static void 60597c478bd9Sstevel@tonic-gate read_devlinktab_file(void) 60607c478bd9Sstevel@tonic-gate { 60617c478bd9Sstevel@tonic-gate devlinktab_list_t *headp = NULL; 60627c478bd9Sstevel@tonic-gate devlinktab_list_t *entryp; 60637c478bd9Sstevel@tonic-gate devlinktab_list_t **previous; 60647c478bd9Sstevel@tonic-gate devlinktab_list_t *save; 60657c478bd9Sstevel@tonic-gate char line[MAX_DEVLINK_LINE]; 60667c478bd9Sstevel@tonic-gate char *selector; 60677c478bd9Sstevel@tonic-gate char *p_link; 60687c478bd9Sstevel@tonic-gate char *s_link; 60697c478bd9Sstevel@tonic-gate FILE *fp; 60707c478bd9Sstevel@tonic-gate int i; 60717c478bd9Sstevel@tonic-gate static struct stat cached_sb; 60727c478bd9Sstevel@tonic-gate struct stat current_sb; 60737c478bd9Sstevel@tonic-gate static int cached = FALSE; 60747c478bd9Sstevel@tonic-gate 60757c478bd9Sstevel@tonic-gate if (devlinktab_file == NULL) { 60767c478bd9Sstevel@tonic-gate return; 60777c478bd9Sstevel@tonic-gate } 60787c478bd9Sstevel@tonic-gate 60797c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, ¤t_sb); 60807c478bd9Sstevel@tonic-gate 60817c478bd9Sstevel@tonic-gate /* if already cached, check to see if it is still valid */ 60827c478bd9Sstevel@tonic-gate if (cached == TRUE) { 60837c478bd9Sstevel@tonic-gate 60847c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 60857c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", devlinktab_file); 60867c478bd9Sstevel@tonic-gate return; 60877c478bd9Sstevel@tonic-gate } 60887c478bd9Sstevel@tonic-gate 60897c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", devlinktab_file); 60907c478bd9Sstevel@tonic-gate 60917c478bd9Sstevel@tonic-gate while (devlinktab_list != NULL) { 60927c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->p_link); 60937c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->s_link); 60947c478bd9Sstevel@tonic-gate free_selector_list(devlinktab_list->selector); 60957c478bd9Sstevel@tonic-gate free(devlinktab_list->selector_pattern); 60967c478bd9Sstevel@tonic-gate free(devlinktab_list->p_link_pattern); 60977c478bd9Sstevel@tonic-gate if (devlinktab_list->s_link_pattern != NULL) { 60987c478bd9Sstevel@tonic-gate free(devlinktab_list->s_link_pattern); 60997c478bd9Sstevel@tonic-gate } 61007c478bd9Sstevel@tonic-gate save = devlinktab_list; 61017c478bd9Sstevel@tonic-gate devlinktab_list = devlinktab_list->next; 61027c478bd9Sstevel@tonic-gate free(save); 61037c478bd9Sstevel@tonic-gate } 61047c478bd9Sstevel@tonic-gate } else { 61057c478bd9Sstevel@tonic-gate cached = TRUE; 61067c478bd9Sstevel@tonic-gate } 61077c478bd9Sstevel@tonic-gate 61087c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, &cached_sb); 61097c478bd9Sstevel@tonic-gate 61107c478bd9Sstevel@tonic-gate if ((fp = fopen(devlinktab_file, "r")) == NULL) { 61117c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, devlinktab_file, strerror(errno)); 61127c478bd9Sstevel@tonic-gate return; 61137c478bd9Sstevel@tonic-gate } 61147c478bd9Sstevel@tonic-gate 61157c478bd9Sstevel@tonic-gate previous = &headp; 61167c478bd9Sstevel@tonic-gate 61177c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 61187c478bd9Sstevel@tonic-gate devlinktab_line++; 61197c478bd9Sstevel@tonic-gate i = strlen(line); 61207c478bd9Sstevel@tonic-gate if (line[i-1] == NEWLINE) { 61217c478bd9Sstevel@tonic-gate line[i-1] = '\0'; 61227c478bd9Sstevel@tonic-gate } else if (i == sizeof (line-1)) { 61237c478bd9Sstevel@tonic-gate err_print(LINE_TOO_LONG, devlinktab_line, 61247c478bd9Sstevel@tonic-gate devlinktab_file, sizeof (line)-1); 61257c478bd9Sstevel@tonic-gate while (((i = getc(fp)) != '\n') && (i != EOF)); 61267c478bd9Sstevel@tonic-gate continue; 61277c478bd9Sstevel@tonic-gate } 61287c478bd9Sstevel@tonic-gate 61297c478bd9Sstevel@tonic-gate if ((line[0] == '#') || (line[0] == '\0')) { 61307c478bd9Sstevel@tonic-gate /* Ignore comments and blank lines */ 61317c478bd9Sstevel@tonic-gate continue; 61327c478bd9Sstevel@tonic-gate } 61337c478bd9Sstevel@tonic-gate 61347c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "table: %s line %d: '%s'\n", 61357c478bd9Sstevel@tonic-gate devlinktab_file, devlinktab_line, line); 61367c478bd9Sstevel@tonic-gate 61377c478bd9Sstevel@tonic-gate /* break each entry into fields. s_link may be NULL */ 61387c478bd9Sstevel@tonic-gate if (split_devlinktab_entry(line, &selector, &p_link, 61397c478bd9Sstevel@tonic-gate &s_link) == DEVFSADM_FAILURE) { 61407c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry returns failure\n"); 61417c478bd9Sstevel@tonic-gate continue; 61427c478bd9Sstevel@tonic-gate } else { 61437c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry selector='%s' " 61447c478bd9Sstevel@tonic-gate "p_link='%s' s_link='%s'\n\n", selector, 61457c478bd9Sstevel@tonic-gate p_link, (s_link == NULL) ? "" : s_link); 61467c478bd9Sstevel@tonic-gate } 61477c478bd9Sstevel@tonic-gate 61487c478bd9Sstevel@tonic-gate entryp = (devlinktab_list_t *) 61497c478bd9Sstevel@tonic-gate s_malloc(sizeof (devlinktab_list_t)); 61507c478bd9Sstevel@tonic-gate 61517c478bd9Sstevel@tonic-gate entryp->line_number = devlinktab_line; 61527c478bd9Sstevel@tonic-gate 61537c478bd9Sstevel@tonic-gate if ((entryp->selector = 61547c478bd9Sstevel@tonic-gate create_selector_list(selector)) == NULL) { 61557c478bd9Sstevel@tonic-gate free(entryp); 61567c478bd9Sstevel@tonic-gate continue; 61577c478bd9Sstevel@tonic-gate } 61587c478bd9Sstevel@tonic-gate entryp->selector_pattern = s_strdup(selector); 61597c478bd9Sstevel@tonic-gate 61607c478bd9Sstevel@tonic-gate if ((entryp->p_link = create_link_list(p_link)) == NULL) { 61617c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 61627c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 61637c478bd9Sstevel@tonic-gate free(entryp); 61647c478bd9Sstevel@tonic-gate continue; 61657c478bd9Sstevel@tonic-gate } 61667c478bd9Sstevel@tonic-gate 61677c478bd9Sstevel@tonic-gate entryp->p_link_pattern = s_strdup(p_link); 61687c478bd9Sstevel@tonic-gate 61697c478bd9Sstevel@tonic-gate if (s_link != NULL) { 61707c478bd9Sstevel@tonic-gate if ((entryp->s_link = 61717c478bd9Sstevel@tonic-gate create_link_list(s_link)) == NULL) { 61727c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 61737c478bd9Sstevel@tonic-gate free_link_list(entryp->p_link); 61747c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 61757c478bd9Sstevel@tonic-gate free(entryp->p_link_pattern); 61767c478bd9Sstevel@tonic-gate free(entryp); 61777c478bd9Sstevel@tonic-gate continue; 61787c478bd9Sstevel@tonic-gate } 61797c478bd9Sstevel@tonic-gate entryp->s_link_pattern = s_strdup(s_link); 61807c478bd9Sstevel@tonic-gate } else { 61817c478bd9Sstevel@tonic-gate entryp->s_link = NULL; 61827c478bd9Sstevel@tonic-gate entryp->s_link_pattern = NULL; 61837c478bd9Sstevel@tonic-gate 61847c478bd9Sstevel@tonic-gate } 61857c478bd9Sstevel@tonic-gate 61867c478bd9Sstevel@tonic-gate /* append to end of list */ 61877c478bd9Sstevel@tonic-gate 61887c478bd9Sstevel@tonic-gate entryp->next = NULL; 61897c478bd9Sstevel@tonic-gate *previous = entryp; 61907c478bd9Sstevel@tonic-gate previous = &(entryp->next); 61917c478bd9Sstevel@tonic-gate } 61927c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 61937c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, devlinktab_file, strerror(errno)); 61947c478bd9Sstevel@tonic-gate } 61957c478bd9Sstevel@tonic-gate devlinktab_list = headp; 61967c478bd9Sstevel@tonic-gate } 61977c478bd9Sstevel@tonic-gate 61987c478bd9Sstevel@tonic-gate /* 61997c478bd9Sstevel@tonic-gate * 62007c478bd9Sstevel@tonic-gate * For a single line entry in devlink.tab, split the line into fields 62017c478bd9Sstevel@tonic-gate * selector, p_link, and an optionally s_link. If s_link field is not 62027c478bd9Sstevel@tonic-gate * present, then return NULL in s_link (not NULL string). 62037c478bd9Sstevel@tonic-gate */ 62047c478bd9Sstevel@tonic-gate static int 62057c478bd9Sstevel@tonic-gate split_devlinktab_entry(char *entry, char **selector, char **p_link, 62067c478bd9Sstevel@tonic-gate char **s_link) 62077c478bd9Sstevel@tonic-gate { 62087c478bd9Sstevel@tonic-gate char *tab; 62097c478bd9Sstevel@tonic-gate 62107c478bd9Sstevel@tonic-gate *selector = entry; 62117c478bd9Sstevel@tonic-gate 62127c478bd9Sstevel@tonic-gate if ((tab = strchr(entry, TAB)) != NULL) { 62137c478bd9Sstevel@tonic-gate *tab = '\0'; 62147c478bd9Sstevel@tonic-gate *p_link = ++tab; 62157c478bd9Sstevel@tonic-gate } else { 62167c478bd9Sstevel@tonic-gate err_print(MISSING_TAB, devlinktab_line, devlinktab_file); 62177c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62187c478bd9Sstevel@tonic-gate } 62197c478bd9Sstevel@tonic-gate 62207c478bd9Sstevel@tonic-gate if (*p_link == '\0') { 62217c478bd9Sstevel@tonic-gate err_print(MISSING_DEVNAME, devlinktab_line, devlinktab_file); 62227c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62237c478bd9Sstevel@tonic-gate } 62247c478bd9Sstevel@tonic-gate 62257c478bd9Sstevel@tonic-gate if ((tab = strchr(*p_link, TAB)) != NULL) { 62267c478bd9Sstevel@tonic-gate *tab = '\0'; 62277c478bd9Sstevel@tonic-gate *s_link = ++tab; 62287c478bd9Sstevel@tonic-gate if (strchr(*s_link, TAB) != NULL) { 62297c478bd9Sstevel@tonic-gate err_print(TOO_MANY_FIELDS, devlinktab_line, 62307c478bd9Sstevel@tonic-gate devlinktab_file); 62317c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62327c478bd9Sstevel@tonic-gate } 62337c478bd9Sstevel@tonic-gate } else { 62347c478bd9Sstevel@tonic-gate *s_link = NULL; 62357c478bd9Sstevel@tonic-gate } 62367c478bd9Sstevel@tonic-gate 62377c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 62387c478bd9Sstevel@tonic-gate } 62397c478bd9Sstevel@tonic-gate 62407c478bd9Sstevel@tonic-gate /* 62417c478bd9Sstevel@tonic-gate * For a given devfs_spec field, for each element in the field, add it to 62427c478bd9Sstevel@tonic-gate * a linked list of devfs_spec structures. Return the linked list in 62437c478bd9Sstevel@tonic-gate * devfs_spec_list. 62447c478bd9Sstevel@tonic-gate */ 62457c478bd9Sstevel@tonic-gate static selector_list_t * 62467c478bd9Sstevel@tonic-gate create_selector_list(char *selector) 62477c478bd9Sstevel@tonic-gate { 62487c478bd9Sstevel@tonic-gate char *key; 62497c478bd9Sstevel@tonic-gate char *val; 62507c478bd9Sstevel@tonic-gate int error = FALSE; 62517c478bd9Sstevel@tonic-gate selector_list_t *head_selector_list = NULL; 62527c478bd9Sstevel@tonic-gate selector_list_t *selector_list; 62537c478bd9Sstevel@tonic-gate 62547c478bd9Sstevel@tonic-gate /* parse_devfs_spec splits the next field into keyword & value */ 62557c478bd9Sstevel@tonic-gate while ((*selector != NULL) && (error == FALSE)) { 62567c478bd9Sstevel@tonic-gate if (parse_selector(&selector, &key, 62577c478bd9Sstevel@tonic-gate &val) == DEVFSADM_FAILURE) { 62587c478bd9Sstevel@tonic-gate error = TRUE; 62597c478bd9Sstevel@tonic-gate break; 62607c478bd9Sstevel@tonic-gate } else { 62617c478bd9Sstevel@tonic-gate selector_list = (selector_list_t *) 62627c478bd9Sstevel@tonic-gate s_malloc(sizeof (selector_list_t)); 62637c478bd9Sstevel@tonic-gate if (strcmp(NAME_S, key) == 0) { 62647c478bd9Sstevel@tonic-gate selector_list->key = NAME; 62657c478bd9Sstevel@tonic-gate } else if (strcmp(TYPE_S, key) == 0) { 62667c478bd9Sstevel@tonic-gate selector_list->key = TYPE; 62677c478bd9Sstevel@tonic-gate } else if (strncmp(ADDR_S, key, ADDR_S_LEN) == 0) { 62687c478bd9Sstevel@tonic-gate selector_list->key = ADDR; 62697c478bd9Sstevel@tonic-gate if (key[ADDR_S_LEN] == '\0') { 62707c478bd9Sstevel@tonic-gate selector_list->arg = 0; 62717c478bd9Sstevel@tonic-gate } else if (isdigit(key[ADDR_S_LEN]) != 62727c478bd9Sstevel@tonic-gate FALSE) { 62737c478bd9Sstevel@tonic-gate selector_list->arg = 62747c478bd9Sstevel@tonic-gate atoi(&key[ADDR_S_LEN]); 62757c478bd9Sstevel@tonic-gate } else { 62767c478bd9Sstevel@tonic-gate error = TRUE; 62777c478bd9Sstevel@tonic-gate free(selector_list); 62787c478bd9Sstevel@tonic-gate err_print(BADKEYWORD, key, 62797c478bd9Sstevel@tonic-gate devlinktab_line, 62807c478bd9Sstevel@tonic-gate devlinktab_file); 62817c478bd9Sstevel@tonic-gate break; 62827c478bd9Sstevel@tonic-gate } 62837c478bd9Sstevel@tonic-gate } else if (strncmp(MINOR_S, key, 62847c478bd9Sstevel@tonic-gate MINOR_S_LEN) == 0) { 62857c478bd9Sstevel@tonic-gate selector_list->key = MINOR; 62867c478bd9Sstevel@tonic-gate if (key[MINOR_S_LEN] == '\0') { 62877c478bd9Sstevel@tonic-gate selector_list->arg = 0; 62887c478bd9Sstevel@tonic-gate } else if (isdigit(key[MINOR_S_LEN]) != 62897c478bd9Sstevel@tonic-gate FALSE) { 62907c478bd9Sstevel@tonic-gate selector_list->arg = 62917c478bd9Sstevel@tonic-gate atoi(&key[MINOR_S_LEN]); 62927c478bd9Sstevel@tonic-gate } else { 62937c478bd9Sstevel@tonic-gate error = TRUE; 62947c478bd9Sstevel@tonic-gate free(selector_list); 62957c478bd9Sstevel@tonic-gate err_print(BADKEYWORD, key, 62967c478bd9Sstevel@tonic-gate devlinktab_line, 62977c478bd9Sstevel@tonic-gate devlinktab_file); 62987c478bd9Sstevel@tonic-gate break; 62997c478bd9Sstevel@tonic-gate } 63007c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "MINOR = %s\n", val); 63017c478bd9Sstevel@tonic-gate } else { 63027c478bd9Sstevel@tonic-gate err_print(UNRECOGNIZED_KEY, key, 63037c478bd9Sstevel@tonic-gate devlinktab_line, devlinktab_file); 63047c478bd9Sstevel@tonic-gate error = TRUE; 63057c478bd9Sstevel@tonic-gate free(selector_list); 63067c478bd9Sstevel@tonic-gate break; 63077c478bd9Sstevel@tonic-gate } 63087c478bd9Sstevel@tonic-gate selector_list->val = s_strdup(val); 63097c478bd9Sstevel@tonic-gate selector_list->next = head_selector_list; 63107c478bd9Sstevel@tonic-gate head_selector_list = selector_list; 63117c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "key='%s' val='%s' arg=%d\n", 63127c478bd9Sstevel@tonic-gate key, val, selector_list->arg); 63137c478bd9Sstevel@tonic-gate } 63147c478bd9Sstevel@tonic-gate } 63157c478bd9Sstevel@tonic-gate 63167c478bd9Sstevel@tonic-gate if ((error == FALSE) && (head_selector_list != NULL)) { 63177c478bd9Sstevel@tonic-gate return (head_selector_list); 63187c478bd9Sstevel@tonic-gate } else { 63197c478bd9Sstevel@tonic-gate /* parse failed. Free any allocated structs */ 63207c478bd9Sstevel@tonic-gate free_selector_list(head_selector_list); 63217c478bd9Sstevel@tonic-gate return (NULL); 63227c478bd9Sstevel@tonic-gate } 63237c478bd9Sstevel@tonic-gate } 63247c478bd9Sstevel@tonic-gate 63257c478bd9Sstevel@tonic-gate /* 63267c478bd9Sstevel@tonic-gate * Takes a semicolon separated list of selector elements and breaks up 63277c478bd9Sstevel@tonic-gate * into a keyword-value pair. semicolon and equal characters are 63287c478bd9Sstevel@tonic-gate * replaced with NULL's. On success, selector is updated to point to the 63297c478bd9Sstevel@tonic-gate * terminating NULL character terminating the keyword-value pair, and the 63307c478bd9Sstevel@tonic-gate * function returns DEVFSADM_SUCCESS. If there is a syntax error, 63317c478bd9Sstevel@tonic-gate * devfs_spec is not modified and function returns DEVFSADM_FAILURE. 63327c478bd9Sstevel@tonic-gate */ 63337c478bd9Sstevel@tonic-gate static int 63347c478bd9Sstevel@tonic-gate parse_selector(char **selector, char **key, char **val) 63357c478bd9Sstevel@tonic-gate { 63367c478bd9Sstevel@tonic-gate char *equal; 63377c478bd9Sstevel@tonic-gate char *semi_colon; 63387c478bd9Sstevel@tonic-gate 63397c478bd9Sstevel@tonic-gate *key = *selector; 63407c478bd9Sstevel@tonic-gate 63417c478bd9Sstevel@tonic-gate if ((equal = strchr(*key, '=')) != NULL) { 63427c478bd9Sstevel@tonic-gate *equal = '\0'; 63437c478bd9Sstevel@tonic-gate } else { 63447c478bd9Sstevel@tonic-gate err_print(MISSING_EQUAL, devlinktab_line, devlinktab_file); 63457c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63467c478bd9Sstevel@tonic-gate } 63477c478bd9Sstevel@tonic-gate 63487c478bd9Sstevel@tonic-gate *val = ++equal; 63497c478bd9Sstevel@tonic-gate if ((semi_colon = strchr(equal, ';')) != NULL) { 63507c478bd9Sstevel@tonic-gate *semi_colon = '\0'; 63517c478bd9Sstevel@tonic-gate *selector = semi_colon + 1; 63527c478bd9Sstevel@tonic-gate } else { 63537c478bd9Sstevel@tonic-gate *selector = equal + strlen(equal); 63547c478bd9Sstevel@tonic-gate } 63557c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 63567c478bd9Sstevel@tonic-gate } 63577c478bd9Sstevel@tonic-gate 63587c478bd9Sstevel@tonic-gate /* 63597c478bd9Sstevel@tonic-gate * link is either the second or third field of devlink.tab. Parse link 63607c478bd9Sstevel@tonic-gate * into a linked list of devlink structures and return ptr to list. Each 63617c478bd9Sstevel@tonic-gate * list element is either a constant string, or one of the following 63627c478bd9Sstevel@tonic-gate * escape sequences: \M, \A, \N, or \D. The first three escape sequences 63637c478bd9Sstevel@tonic-gate * take a numerical argument. 63647c478bd9Sstevel@tonic-gate */ 63657c478bd9Sstevel@tonic-gate static link_list_t * 63667c478bd9Sstevel@tonic-gate create_link_list(char *link) 63677c478bd9Sstevel@tonic-gate { 63687c478bd9Sstevel@tonic-gate int x = 0; 63697c478bd9Sstevel@tonic-gate int error = FALSE; 63707c478bd9Sstevel@tonic-gate int counter_found = FALSE; 63717c478bd9Sstevel@tonic-gate link_list_t *head = NULL; 63727c478bd9Sstevel@tonic-gate link_list_t **ptr; 63737c478bd9Sstevel@tonic-gate link_list_t *link_list; 63747c478bd9Sstevel@tonic-gate char constant[MAX_DEVLINK_LINE]; 63757c478bd9Sstevel@tonic-gate char *error_str; 63767c478bd9Sstevel@tonic-gate 63777c478bd9Sstevel@tonic-gate if (link == NULL) { 63787c478bd9Sstevel@tonic-gate return (NULL); 63797c478bd9Sstevel@tonic-gate } 63807c478bd9Sstevel@tonic-gate 63817c478bd9Sstevel@tonic-gate while ((*link != '\0') && (error == FALSE)) { 63827c478bd9Sstevel@tonic-gate link_list = (link_list_t *)s_malloc(sizeof (link_list_t)); 63837c478bd9Sstevel@tonic-gate link_list->next = NULL; 63847c478bd9Sstevel@tonic-gate 63857c478bd9Sstevel@tonic-gate while ((*link != '\0') && (*link != '\\')) { 63867c478bd9Sstevel@tonic-gate /* a non-escaped string */ 63877c478bd9Sstevel@tonic-gate constant[x++] = *(link++); 63887c478bd9Sstevel@tonic-gate } 63897c478bd9Sstevel@tonic-gate if (x != 0) { 63907c478bd9Sstevel@tonic-gate constant[x] = '\0'; 63917c478bd9Sstevel@tonic-gate link_list->type = CONSTANT; 63927c478bd9Sstevel@tonic-gate link_list->constant = s_strdup(constant); 63937c478bd9Sstevel@tonic-gate x = 0; 63947c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "CONSTANT FOUND %s\n", constant); 63957c478bd9Sstevel@tonic-gate } else { 63967c478bd9Sstevel@tonic-gate switch (*(++link)) { 63977c478bd9Sstevel@tonic-gate case 'M': 63987c478bd9Sstevel@tonic-gate link_list->type = MINOR; 63997c478bd9Sstevel@tonic-gate break; 64007c478bd9Sstevel@tonic-gate case 'A': 64017c478bd9Sstevel@tonic-gate link_list->type = ADDR; 64027c478bd9Sstevel@tonic-gate break; 64037c478bd9Sstevel@tonic-gate case 'N': 64047c478bd9Sstevel@tonic-gate if (counter_found == TRUE) { 64057c478bd9Sstevel@tonic-gate error = TRUE; 64067c478bd9Sstevel@tonic-gate error_str = "multiple counters " 64077c478bd9Sstevel@tonic-gate "not permitted"; 64087c478bd9Sstevel@tonic-gate free(link_list); 64097c478bd9Sstevel@tonic-gate } else { 64107c478bd9Sstevel@tonic-gate counter_found = TRUE; 64117c478bd9Sstevel@tonic-gate link_list->type = COUNTER; 64127c478bd9Sstevel@tonic-gate } 64137c478bd9Sstevel@tonic-gate break; 64147c478bd9Sstevel@tonic-gate case 'D': 64157c478bd9Sstevel@tonic-gate link_list->type = NAME; 64167c478bd9Sstevel@tonic-gate break; 64177c478bd9Sstevel@tonic-gate default: 64187c478bd9Sstevel@tonic-gate error = TRUE; 64197c478bd9Sstevel@tonic-gate free(link_list); 64207c478bd9Sstevel@tonic-gate error_str = "unrecognized escape sequence"; 64217c478bd9Sstevel@tonic-gate break; 64227c478bd9Sstevel@tonic-gate } 64237c478bd9Sstevel@tonic-gate if (*(link++) != 'D') { 64247c478bd9Sstevel@tonic-gate if (isdigit(*link) == FALSE) { 64257c478bd9Sstevel@tonic-gate error_str = "escape sequence must be " 64267c478bd9Sstevel@tonic-gate "followed by a digit\n"; 64277c478bd9Sstevel@tonic-gate error = TRUE; 64287c478bd9Sstevel@tonic-gate free(link_list); 64297c478bd9Sstevel@tonic-gate } else { 64307c478bd9Sstevel@tonic-gate link_list->arg = 64317c478bd9Sstevel@tonic-gate (int)strtoul(link, &link, 10); 64327c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "link_list->arg = " 64337c478bd9Sstevel@tonic-gate "%d\n", link_list->arg); 64347c478bd9Sstevel@tonic-gate } 64357c478bd9Sstevel@tonic-gate } 64367c478bd9Sstevel@tonic-gate } 64377c478bd9Sstevel@tonic-gate /* append link_list struct to end of list */ 64387c478bd9Sstevel@tonic-gate if (error == FALSE) { 64397c478bd9Sstevel@tonic-gate for (ptr = &head; *ptr != NULL; ptr = &((*ptr)->next)); 64407c478bd9Sstevel@tonic-gate *ptr = link_list; 64417c478bd9Sstevel@tonic-gate } 64427c478bd9Sstevel@tonic-gate } 64437c478bd9Sstevel@tonic-gate 64447c478bd9Sstevel@tonic-gate if (error == FALSE) { 64457c478bd9Sstevel@tonic-gate return (head); 64467c478bd9Sstevel@tonic-gate } else { 64477c478bd9Sstevel@tonic-gate err_print(CONFIG_INCORRECT, devlinktab_line, devlinktab_file, 64487c478bd9Sstevel@tonic-gate error_str); 64497c478bd9Sstevel@tonic-gate free_link_list(head); 64507c478bd9Sstevel@tonic-gate return (NULL); 64517c478bd9Sstevel@tonic-gate } 64527c478bd9Sstevel@tonic-gate } 64537c478bd9Sstevel@tonic-gate 64547c478bd9Sstevel@tonic-gate /* 64557c478bd9Sstevel@tonic-gate * Called for each minor node devfsadm processes; for each minor node, 64567c478bd9Sstevel@tonic-gate * look for matches in the devlinktab_list list which was created on 64577c478bd9Sstevel@tonic-gate * startup read_devlinktab_file(). If there is a match, call build_links() 64587c478bd9Sstevel@tonic-gate * to build a logical devlink and a possible extra devlink. 64597c478bd9Sstevel@tonic-gate */ 64607c478bd9Sstevel@tonic-gate static int 64617c478bd9Sstevel@tonic-gate process_devlink_compat(di_minor_t minor, di_node_t node) 64627c478bd9Sstevel@tonic-gate { 64637c478bd9Sstevel@tonic-gate int link_built = FALSE; 64647c478bd9Sstevel@tonic-gate devlinktab_list_t *entry; 64657c478bd9Sstevel@tonic-gate char *nodetype; 64667c478bd9Sstevel@tonic-gate char *dev_path; 64677c478bd9Sstevel@tonic-gate 64687c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 64697c478bd9Sstevel@tonic-gate nodetype = di_minor_nodetype(minor); 64707c478bd9Sstevel@tonic-gate assert(nodetype != NULL); 64717c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) != NULL) { 64727c478bd9Sstevel@tonic-gate vprint(INFO_MID, "'%s' entry: %s:%s\n", nodetype, 64737c478bd9Sstevel@tonic-gate dev_path, 64747c478bd9Sstevel@tonic-gate di_minor_name(minor) ? di_minor_name(minor) : 64757c478bd9Sstevel@tonic-gate ""); 64767c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 64777c478bd9Sstevel@tonic-gate } 64787c478bd9Sstevel@tonic-gate 64797c478bd9Sstevel@tonic-gate } 64807c478bd9Sstevel@tonic-gate 64817c478bd9Sstevel@tonic-gate 64827c478bd9Sstevel@tonic-gate /* don't process devlink.tab if devfsadm invoked with -c <class> */ 64837c478bd9Sstevel@tonic-gate if (num_classes > 0) { 64847c478bd9Sstevel@tonic-gate return (FALSE); 64857c478bd9Sstevel@tonic-gate } 64867c478bd9Sstevel@tonic-gate 64877c478bd9Sstevel@tonic-gate for (entry = devlinktab_list; entry != NULL; entry = entry->next) { 64887c478bd9Sstevel@tonic-gate if (devlink_matches(entry, minor, node) == DEVFSADM_SUCCESS) { 64897c478bd9Sstevel@tonic-gate link_built = TRUE; 64907c478bd9Sstevel@tonic-gate (void) build_links(entry, minor, node); 64917c478bd9Sstevel@tonic-gate } 64927c478bd9Sstevel@tonic-gate } 64937c478bd9Sstevel@tonic-gate return (link_built); 64947c478bd9Sstevel@tonic-gate } 64957c478bd9Sstevel@tonic-gate 64967c478bd9Sstevel@tonic-gate /* 64977c478bd9Sstevel@tonic-gate * For a given devlink.tab devlinktab_list entry, see if the selector 64987c478bd9Sstevel@tonic-gate * field matches this minor node. If it does, return DEVFSADM_SUCCESS, 64997c478bd9Sstevel@tonic-gate * otherwise DEVFSADM_FAILURE. 65007c478bd9Sstevel@tonic-gate */ 65017c478bd9Sstevel@tonic-gate static int 65027c478bd9Sstevel@tonic-gate devlink_matches(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 65037c478bd9Sstevel@tonic-gate { 65047c478bd9Sstevel@tonic-gate selector_list_t *selector = entry->selector; 65057c478bd9Sstevel@tonic-gate char *addr; 65067c478bd9Sstevel@tonic-gate char *minor_name; 65077c478bd9Sstevel@tonic-gate char *node_type; 65087c478bd9Sstevel@tonic-gate 65097c478bd9Sstevel@tonic-gate for (; selector != NULL; selector = selector->next) { 65107c478bd9Sstevel@tonic-gate switch (selector->key) { 65117c478bd9Sstevel@tonic-gate case NAME: 65127c478bd9Sstevel@tonic-gate if (strcmp(di_node_name(node), selector->val) != 0) { 65137c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65147c478bd9Sstevel@tonic-gate } 65157c478bd9Sstevel@tonic-gate break; 65167c478bd9Sstevel@tonic-gate case TYPE: 65177c478bd9Sstevel@tonic-gate node_type = di_minor_nodetype(minor); 65187c478bd9Sstevel@tonic-gate assert(node_type != NULL); 65197c478bd9Sstevel@tonic-gate if (strcmp(node_type, selector->val) != 0) { 65207c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65217c478bd9Sstevel@tonic-gate } 65227c478bd9Sstevel@tonic-gate break; 65237c478bd9Sstevel@tonic-gate case ADDR: 65247c478bd9Sstevel@tonic-gate if ((addr = di_bus_addr(node)) == NULL) { 65257c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65267c478bd9Sstevel@tonic-gate } 65277c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 65287c478bd9Sstevel@tonic-gate if (strcmp(addr, selector->val) != 0) { 65297c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65307c478bd9Sstevel@tonic-gate } 65317c478bd9Sstevel@tonic-gate } else { 65327c478bd9Sstevel@tonic-gate if (compare_field(addr, selector->val, 65337c478bd9Sstevel@tonic-gate selector->arg) == DEVFSADM_FAILURE) { 65347c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65357c478bd9Sstevel@tonic-gate } 65367c478bd9Sstevel@tonic-gate } 65377c478bd9Sstevel@tonic-gate break; 65387c478bd9Sstevel@tonic-gate case MINOR: 65397c478bd9Sstevel@tonic-gate if ((minor_name = di_minor_name(minor)) == NULL) { 65407c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65417c478bd9Sstevel@tonic-gate } 65427c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 65437c478bd9Sstevel@tonic-gate if (strcmp(minor_name, selector->val) != 0) { 65447c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65457c478bd9Sstevel@tonic-gate } 65467c478bd9Sstevel@tonic-gate } else { 65477c478bd9Sstevel@tonic-gate if (compare_field(minor_name, selector->val, 65487c478bd9Sstevel@tonic-gate selector->arg) == DEVFSADM_FAILURE) { 65497c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65507c478bd9Sstevel@tonic-gate } 65517c478bd9Sstevel@tonic-gate } 65527c478bd9Sstevel@tonic-gate break; 65537c478bd9Sstevel@tonic-gate default: 65547c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65557c478bd9Sstevel@tonic-gate } 65567c478bd9Sstevel@tonic-gate } 65577c478bd9Sstevel@tonic-gate 65587c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 65597c478bd9Sstevel@tonic-gate } 65607c478bd9Sstevel@tonic-gate 65617c478bd9Sstevel@tonic-gate /* 65627c478bd9Sstevel@tonic-gate * For the given minor node and devlinktab_list entry from devlink.tab, 65637c478bd9Sstevel@tonic-gate * build a logical dev link and a possible extra devlink. 65647c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS if link is created, otherwise DEVFSADM_FAILURE. 65657c478bd9Sstevel@tonic-gate */ 65667c478bd9Sstevel@tonic-gate static int 65677c478bd9Sstevel@tonic-gate build_links(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 65687c478bd9Sstevel@tonic-gate { 65697c478bd9Sstevel@tonic-gate char secondary_link[PATH_MAX + 1]; 65707c478bd9Sstevel@tonic-gate char primary_link[PATH_MAX + 1]; 65717c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 65727c478bd9Sstevel@tonic-gate char *dev_path; 65737c478bd9Sstevel@tonic-gate 65747c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 65757c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 65767c478bd9Sstevel@tonic-gate devfsadm_exit(1); 65777c478bd9Sstevel@tonic-gate } 65787c478bd9Sstevel@tonic-gate (void) strcpy(contents, dev_path); 65797c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 65807c478bd9Sstevel@tonic-gate 65817c478bd9Sstevel@tonic-gate (void) strcat(contents, ":"); 65827c478bd9Sstevel@tonic-gate (void) strcat(contents, di_minor_name(minor)); 65837c478bd9Sstevel@tonic-gate 65847c478bd9Sstevel@tonic-gate if (construct_devlink(primary_link, entry->p_link, contents, 65857c478bd9Sstevel@tonic-gate minor, node, 65867c478bd9Sstevel@tonic-gate entry->p_link_pattern) == DEVFSADM_FAILURE) { 65877c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65887c478bd9Sstevel@tonic-gate } 65897c478bd9Sstevel@tonic-gate (void) devfsadm_mklink(primary_link, node, minor, 0); 65907c478bd9Sstevel@tonic-gate 65917c478bd9Sstevel@tonic-gate if (entry->s_link == NULL) { 65927c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 65937c478bd9Sstevel@tonic-gate } 65947c478bd9Sstevel@tonic-gate 65957c478bd9Sstevel@tonic-gate if (construct_devlink(secondary_link, entry->s_link, 65967c478bd9Sstevel@tonic-gate primary_link, minor, node, 65977c478bd9Sstevel@tonic-gate entry->s_link_pattern) == DEVFSADM_FAILURE) { 65987c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65997c478bd9Sstevel@tonic-gate } 66007c478bd9Sstevel@tonic-gate 66017c478bd9Sstevel@tonic-gate (void) devfsadm_secondary_link(secondary_link, primary_link, 0); 66027c478bd9Sstevel@tonic-gate 66037c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 66047c478bd9Sstevel@tonic-gate } 66057c478bd9Sstevel@tonic-gate 66067c478bd9Sstevel@tonic-gate /* 66077c478bd9Sstevel@tonic-gate * The counter rule for devlink.tab entries is implemented via 66087c478bd9Sstevel@tonic-gate * devfsadm_enumerate_int_start(). One of the arguments to this function 66097c478bd9Sstevel@tonic-gate * is a path, where each path component is treated as a regular expression. 66107c478bd9Sstevel@tonic-gate * For devlink.tab entries, this path regular expression is derived from 66117c478bd9Sstevel@tonic-gate * the devlink spec. get_anchored_re() accepts path regular expressions derived 66127c478bd9Sstevel@tonic-gate * from devlink.tab entries and inserts the anchors '^' and '$' at the beginning 66137c478bd9Sstevel@tonic-gate * and end respectively of each path component. This is done to prevent 66147c478bd9Sstevel@tonic-gate * false matches. For example, without anchors, "a/([0-9]+)" will match "ab/c9" 66157c478bd9Sstevel@tonic-gate * and incorrect links will be generated. 66167c478bd9Sstevel@tonic-gate */ 66177c478bd9Sstevel@tonic-gate static int 66187c478bd9Sstevel@tonic-gate get_anchored_re(char *link, char *anchored_re, char *pattern) 66197c478bd9Sstevel@tonic-gate { 66207c478bd9Sstevel@tonic-gate if (*link == '/' || *link == '\0') { 66217c478bd9Sstevel@tonic-gate err_print(INVALID_DEVLINK_SPEC, pattern); 66227c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 66237c478bd9Sstevel@tonic-gate } 66247c478bd9Sstevel@tonic-gate 66257c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 66267c478bd9Sstevel@tonic-gate for (; *link != '\0'; ) { 66277c478bd9Sstevel@tonic-gate if (*link == '/') { 66287c478bd9Sstevel@tonic-gate while (*link == '/') 66297c478bd9Sstevel@tonic-gate link++; 66307c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 66317c478bd9Sstevel@tonic-gate *anchored_re++ = '/'; 66327c478bd9Sstevel@tonic-gate if (*link != '\0') { 66337c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 66347c478bd9Sstevel@tonic-gate } 66357c478bd9Sstevel@tonic-gate } else { 66367c478bd9Sstevel@tonic-gate *anchored_re++ = *link++; 66377c478bd9Sstevel@tonic-gate if (*link == '\0') { 66387c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 66397c478bd9Sstevel@tonic-gate } 66407c478bd9Sstevel@tonic-gate } 66417c478bd9Sstevel@tonic-gate } 66427c478bd9Sstevel@tonic-gate *anchored_re = '\0'; 66437c478bd9Sstevel@tonic-gate 66447c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 66457c478bd9Sstevel@tonic-gate } 66467c478bd9Sstevel@tonic-gate 66477c478bd9Sstevel@tonic-gate static int 66487c478bd9Sstevel@tonic-gate construct_devlink(char *link, link_list_t *link_build, char *contents, 66497c478bd9Sstevel@tonic-gate di_minor_t minor, di_node_t node, char *pattern) 66507c478bd9Sstevel@tonic-gate { 66517c478bd9Sstevel@tonic-gate int counter_offset = -1; 66527c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[1] = {NULL}; 66537c478bd9Sstevel@tonic-gate char templink[PATH_MAX + 1]; 66547c478bd9Sstevel@tonic-gate char *buff; 66557c478bd9Sstevel@tonic-gate char start[10]; 66567c478bd9Sstevel@tonic-gate char *node_path; 66577c478bd9Sstevel@tonic-gate char anchored_re[PATH_MAX + 1]; 66587c478bd9Sstevel@tonic-gate 66597c478bd9Sstevel@tonic-gate link[0] = '\0'; 66607c478bd9Sstevel@tonic-gate 66617c478bd9Sstevel@tonic-gate for (; link_build != NULL; link_build = link_build->next) { 66627c478bd9Sstevel@tonic-gate switch (link_build->type) { 66637c478bd9Sstevel@tonic-gate case NAME: 66647c478bd9Sstevel@tonic-gate (void) strcat(link, di_node_name(node)); 66657c478bd9Sstevel@tonic-gate break; 66667c478bd9Sstevel@tonic-gate case CONSTANT: 66677c478bd9Sstevel@tonic-gate (void) strcat(link, link_build->constant); 66687c478bd9Sstevel@tonic-gate break; 66697c478bd9Sstevel@tonic-gate case ADDR: 66707c478bd9Sstevel@tonic-gate if (component_cat(link, di_bus_addr(node), 66717c478bd9Sstevel@tonic-gate link_build->arg) == DEVFSADM_FAILURE) { 66727c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 66737c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 66747c478bd9Sstevel@tonic-gate di_minor_name(minor)); 66757c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 66767c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 66777c478bd9Sstevel@tonic-gate } 66787c478bd9Sstevel@tonic-gate break; 66797c478bd9Sstevel@tonic-gate case MINOR: 66807c478bd9Sstevel@tonic-gate if (component_cat(link, di_minor_name(minor), 66817c478bd9Sstevel@tonic-gate link_build->arg) == DEVFSADM_FAILURE) { 66827c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 66837c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 66847c478bd9Sstevel@tonic-gate di_minor_name(minor)); 66857c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 66867c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 66877c478bd9Sstevel@tonic-gate } 66887c478bd9Sstevel@tonic-gate break; 66897c478bd9Sstevel@tonic-gate case COUNTER: 66907c478bd9Sstevel@tonic-gate counter_offset = strlen(link); 66917c478bd9Sstevel@tonic-gate (void) strcat(link, "([0-9]+)"); 66927c478bd9Sstevel@tonic-gate (void) sprintf(start, "%d", link_build->arg); 66937c478bd9Sstevel@tonic-gate break; 66947c478bd9Sstevel@tonic-gate default: 66957c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 66967c478bd9Sstevel@tonic-gate } 66977c478bd9Sstevel@tonic-gate } 66987c478bd9Sstevel@tonic-gate 66997c478bd9Sstevel@tonic-gate if (counter_offset != -1) { 67007c478bd9Sstevel@tonic-gate /* 67017c478bd9Sstevel@tonic-gate * copy anything appended after "([0-9]+)" into 67027c478bd9Sstevel@tonic-gate * templink 67037c478bd9Sstevel@tonic-gate */ 67047c478bd9Sstevel@tonic-gate 67057c478bd9Sstevel@tonic-gate (void) strcpy(templink, 67067c478bd9Sstevel@tonic-gate &link[counter_offset + strlen("([0-9]+)")]); 67077c478bd9Sstevel@tonic-gate if (get_anchored_re(link, anchored_re, pattern) 67087c478bd9Sstevel@tonic-gate != DEVFSADM_SUCCESS) { 67097c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67107c478bd9Sstevel@tonic-gate } 67117c478bd9Sstevel@tonic-gate rules[0].re = anchored_re; 67127c478bd9Sstevel@tonic-gate rules[0].subexp = 1; 67137c478bd9Sstevel@tonic-gate rules[0].flags = MATCH_ALL; 67147c478bd9Sstevel@tonic-gate if (devfsadm_enumerate_int_start(contents, 0, &buff, 67157c478bd9Sstevel@tonic-gate rules, 1, start) == DEVFSADM_FAILURE) { 67167c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67177c478bd9Sstevel@tonic-gate } 67187c478bd9Sstevel@tonic-gate (void) strcpy(&link[counter_offset], buff); 67197c478bd9Sstevel@tonic-gate free(buff); 67207c478bd9Sstevel@tonic-gate (void) strcat(link, templink); 67217c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "COUNTER is %s\n", link); 67227c478bd9Sstevel@tonic-gate } 67237c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 67247c478bd9Sstevel@tonic-gate } 67257c478bd9Sstevel@tonic-gate 67267c478bd9Sstevel@tonic-gate /* 67277c478bd9Sstevel@tonic-gate * Compares "field" number of the comma separated list "full_name" with 67287c478bd9Sstevel@tonic-gate * field_item. Returns DEVFSADM_SUCCESS for match, 67297c478bd9Sstevel@tonic-gate * DEVFSADM_FAILURE for no match. 67307c478bd9Sstevel@tonic-gate */ 67317c478bd9Sstevel@tonic-gate static int 67327c478bd9Sstevel@tonic-gate compare_field(char *full_name, char *field_item, int field) 67337c478bd9Sstevel@tonic-gate { 67347c478bd9Sstevel@tonic-gate --field; 67357c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (field != 0)) { 67367c478bd9Sstevel@tonic-gate if (*(full_name++) == ',') { 67377c478bd9Sstevel@tonic-gate field--; 67387c478bd9Sstevel@tonic-gate } 67397c478bd9Sstevel@tonic-gate } 67407c478bd9Sstevel@tonic-gate 67417c478bd9Sstevel@tonic-gate if (field != 0) { 67427c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67437c478bd9Sstevel@tonic-gate } 67447c478bd9Sstevel@tonic-gate 67457c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (*field_item != '\0') && 67467c478bd9Sstevel@tonic-gate (*full_name != ',')) { 67477c478bd9Sstevel@tonic-gate if (*(full_name++) != *(field_item++)) { 67487c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67497c478bd9Sstevel@tonic-gate } 67507c478bd9Sstevel@tonic-gate } 67517c478bd9Sstevel@tonic-gate 67527c478bd9Sstevel@tonic-gate if (*field_item != '\0') { 67537c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67547c478bd9Sstevel@tonic-gate } 67557c478bd9Sstevel@tonic-gate 67567c478bd9Sstevel@tonic-gate if ((*full_name == '\0') || (*full_name == ',')) 67577c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 67587c478bd9Sstevel@tonic-gate 67597c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67607c478bd9Sstevel@tonic-gate } 67617c478bd9Sstevel@tonic-gate 67627c478bd9Sstevel@tonic-gate /* 67637c478bd9Sstevel@tonic-gate * strcat() field # "field" of comma separated list "name" to "link". 67647c478bd9Sstevel@tonic-gate * Field 0 is the entire name. 67657c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS or DEVFSADM_FAILURE. 67667c478bd9Sstevel@tonic-gate */ 67677c478bd9Sstevel@tonic-gate static int 67687c478bd9Sstevel@tonic-gate component_cat(char *link, char *name, int field) 67697c478bd9Sstevel@tonic-gate { 67707c478bd9Sstevel@tonic-gate 67717c478bd9Sstevel@tonic-gate if (name == NULL) { 67727c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67737c478bd9Sstevel@tonic-gate } 67747c478bd9Sstevel@tonic-gate 67757c478bd9Sstevel@tonic-gate if (field == 0) { 67767c478bd9Sstevel@tonic-gate (void) strcat(link, name); 67777c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 67787c478bd9Sstevel@tonic-gate } 67797c478bd9Sstevel@tonic-gate 67807c478bd9Sstevel@tonic-gate while (*link != '\0') { 67817c478bd9Sstevel@tonic-gate link++; 67827c478bd9Sstevel@tonic-gate } 67837c478bd9Sstevel@tonic-gate 67847c478bd9Sstevel@tonic-gate --field; 67857c478bd9Sstevel@tonic-gate while ((*name != '\0') && (field != 0)) { 67867c478bd9Sstevel@tonic-gate if (*(name++) == ',') { 67877c478bd9Sstevel@tonic-gate --field; 67887c478bd9Sstevel@tonic-gate } 67897c478bd9Sstevel@tonic-gate } 67907c478bd9Sstevel@tonic-gate 67917c478bd9Sstevel@tonic-gate if (field != 0) { 67927c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67937c478bd9Sstevel@tonic-gate } 67947c478bd9Sstevel@tonic-gate 67957c478bd9Sstevel@tonic-gate while ((*name != '\0') && (*name != ',')) { 67967c478bd9Sstevel@tonic-gate *(link++) = *(name++); 67977c478bd9Sstevel@tonic-gate } 67987c478bd9Sstevel@tonic-gate 67997c478bd9Sstevel@tonic-gate *link = '\0'; 68007c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 68017c478bd9Sstevel@tonic-gate } 68027c478bd9Sstevel@tonic-gate 68037c478bd9Sstevel@tonic-gate static void 68047c478bd9Sstevel@tonic-gate free_selector_list(selector_list_t *head) 68057c478bd9Sstevel@tonic-gate { 68067c478bd9Sstevel@tonic-gate selector_list_t *temp; 68077c478bd9Sstevel@tonic-gate 68087c478bd9Sstevel@tonic-gate while (head != NULL) { 68097c478bd9Sstevel@tonic-gate temp = head; 68107c478bd9Sstevel@tonic-gate head = head->next; 68117c478bd9Sstevel@tonic-gate free(temp->val); 68127c478bd9Sstevel@tonic-gate free(temp); 68137c478bd9Sstevel@tonic-gate } 68147c478bd9Sstevel@tonic-gate } 68157c478bd9Sstevel@tonic-gate 68167c478bd9Sstevel@tonic-gate static void 68177c478bd9Sstevel@tonic-gate free_link_list(link_list_t *head) 68187c478bd9Sstevel@tonic-gate { 68197c478bd9Sstevel@tonic-gate link_list_t *temp; 68207c478bd9Sstevel@tonic-gate 68217c478bd9Sstevel@tonic-gate while (head != NULL) { 68227c478bd9Sstevel@tonic-gate temp = head; 68237c478bd9Sstevel@tonic-gate head = head->next; 68247c478bd9Sstevel@tonic-gate if (temp->type == CONSTANT) { 68257c478bd9Sstevel@tonic-gate free(temp->constant); 68267c478bd9Sstevel@tonic-gate } 68277c478bd9Sstevel@tonic-gate free(temp); 68287c478bd9Sstevel@tonic-gate } 68297c478bd9Sstevel@tonic-gate } 68307c478bd9Sstevel@tonic-gate 68317c478bd9Sstevel@tonic-gate /* 68327c478bd9Sstevel@tonic-gate * Prints only if level matches one of the debug levels 68337c478bd9Sstevel@tonic-gate * given on command line. INFO_MID is always printed. 68347c478bd9Sstevel@tonic-gate * 68357c478bd9Sstevel@tonic-gate * See devfsadm.h for a listing of globally defined levels and 68367c478bd9Sstevel@tonic-gate * meanings. Modules should prefix the level with their 68377c478bd9Sstevel@tonic-gate * module name to prevent collisions. 68387c478bd9Sstevel@tonic-gate */ 68397c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 68407c478bd9Sstevel@tonic-gate void 68417c478bd9Sstevel@tonic-gate devfsadm_print(char *msgid, char *message, ...) 68427c478bd9Sstevel@tonic-gate { 68437c478bd9Sstevel@tonic-gate va_list ap; 68447c478bd9Sstevel@tonic-gate static int newline = TRUE; 68457c478bd9Sstevel@tonic-gate int x; 68467c478bd9Sstevel@tonic-gate 68477c478bd9Sstevel@tonic-gate if (msgid != NULL) { 68487c478bd9Sstevel@tonic-gate for (x = 0; x < num_verbose; x++) { 68497c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], msgid) == 0) { 68507c478bd9Sstevel@tonic-gate break; 68517c478bd9Sstevel@tonic-gate } 68527c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], ALL_MID) == 0) { 68537c478bd9Sstevel@tonic-gate break; 68547c478bd9Sstevel@tonic-gate } 68557c478bd9Sstevel@tonic-gate } 68567c478bd9Sstevel@tonic-gate if (x == num_verbose) { 68577c478bd9Sstevel@tonic-gate return; 68587c478bd9Sstevel@tonic-gate } 68597c478bd9Sstevel@tonic-gate } 68607c478bd9Sstevel@tonic-gate 68617c478bd9Sstevel@tonic-gate va_start(ap, message); 68627c478bd9Sstevel@tonic-gate 68637c478bd9Sstevel@tonic-gate if (msgid == NULL) { 68647c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 68657c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_NOTICE, message, ap); 68667c478bd9Sstevel@tonic-gate } else { 68677c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 68687c478bd9Sstevel@tonic-gate } 68697c478bd9Sstevel@tonic-gate 68707c478bd9Sstevel@tonic-gate } else { 68717c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 68727c478bd9Sstevel@tonic-gate (void) syslog(LOG_DEBUG, "%s[%ld]: %s: ", 68737c478bd9Sstevel@tonic-gate prog, getpid(), msgid); 68747c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_DEBUG, message, ap); 68757c478bd9Sstevel@tonic-gate } else { 68767c478bd9Sstevel@tonic-gate if (newline == TRUE) { 68777c478bd9Sstevel@tonic-gate (void) fprintf(stdout, "%s[%ld]: %s: ", 68787c478bd9Sstevel@tonic-gate prog, getpid(), msgid); 68797c478bd9Sstevel@tonic-gate } 68807c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 68817c478bd9Sstevel@tonic-gate } 68827c478bd9Sstevel@tonic-gate } 68837c478bd9Sstevel@tonic-gate 68847c478bd9Sstevel@tonic-gate if (message[strlen(message) - 1] == '\n') { 68857c478bd9Sstevel@tonic-gate newline = TRUE; 68867c478bd9Sstevel@tonic-gate } else { 68877c478bd9Sstevel@tonic-gate newline = FALSE; 68887c478bd9Sstevel@tonic-gate } 68897c478bd9Sstevel@tonic-gate va_end(ap); 68907c478bd9Sstevel@tonic-gate } 68917c478bd9Sstevel@tonic-gate 68927c478bd9Sstevel@tonic-gate /* 68937c478bd9Sstevel@tonic-gate * print error messages to the terminal or to syslog 68947c478bd9Sstevel@tonic-gate */ 68957c478bd9Sstevel@tonic-gate /*PRINTFLIKE1*/ 68967c478bd9Sstevel@tonic-gate void 68977c478bd9Sstevel@tonic-gate devfsadm_errprint(char *message, ...) 68987c478bd9Sstevel@tonic-gate { 68997c478bd9Sstevel@tonic-gate va_list ap; 69007c478bd9Sstevel@tonic-gate 69017c478bd9Sstevel@tonic-gate va_start(ap, message); 69027c478bd9Sstevel@tonic-gate 69037c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 69047c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_ERR, message, ap); 69057c478bd9Sstevel@tonic-gate } else { 69067c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s: ", prog); 69077c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, message, ap); 69087c478bd9Sstevel@tonic-gate } 69097c478bd9Sstevel@tonic-gate va_end(ap); 69107c478bd9Sstevel@tonic-gate } 69117c478bd9Sstevel@tonic-gate 69127c478bd9Sstevel@tonic-gate /* 69137c478bd9Sstevel@tonic-gate * return noupdate state (-s) 69147c478bd9Sstevel@tonic-gate */ 69157c478bd9Sstevel@tonic-gate int 69167c478bd9Sstevel@tonic-gate devfsadm_noupdate(void) 69177c478bd9Sstevel@tonic-gate { 69187c478bd9Sstevel@tonic-gate return (file_mods == TRUE ? DEVFSADM_TRUE : DEVFSADM_FALSE); 69197c478bd9Sstevel@tonic-gate } 69207c478bd9Sstevel@tonic-gate 69217c478bd9Sstevel@tonic-gate /* 69227c478bd9Sstevel@tonic-gate * return current root update path (-r) 69237c478bd9Sstevel@tonic-gate */ 69247c478bd9Sstevel@tonic-gate const char * 69257c478bd9Sstevel@tonic-gate devfsadm_root_path(void) 69267c478bd9Sstevel@tonic-gate { 69277c478bd9Sstevel@tonic-gate if (root_dir[0] == '\0') { 69287c478bd9Sstevel@tonic-gate return ("/"); 69297c478bd9Sstevel@tonic-gate } else { 69307c478bd9Sstevel@tonic-gate return ((const char *)root_dir); 69317c478bd9Sstevel@tonic-gate } 69327c478bd9Sstevel@tonic-gate } 69337c478bd9Sstevel@tonic-gate 69347c478bd9Sstevel@tonic-gate /* common exit function which ensures releasing locks */ 69357c478bd9Sstevel@tonic-gate static void 69367c478bd9Sstevel@tonic-gate devfsadm_exit(int status) 69377c478bd9Sstevel@tonic-gate { 69387c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON) { 69397c478bd9Sstevel@tonic-gate vprint(INFO_MID, "exit status = %d\n", status); 69407c478bd9Sstevel@tonic-gate } 69417c478bd9Sstevel@tonic-gate 69427c478bd9Sstevel@tonic-gate if (rcm_hdl) { 69437c478bd9Sstevel@tonic-gate if (thr_self() != process_rcm_events_tid) { 69447c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 69457c478bd9Sstevel@tonic-gate need_to_exit_rcm_event_thread = 1; 69467c478bd9Sstevel@tonic-gate (void) cond_broadcast(&rcm_eventq_cv); 69477c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 69487c478bd9Sstevel@tonic-gate 69497c478bd9Sstevel@tonic-gate /* wait until process_rcm_events() thread exits */ 69507c478bd9Sstevel@tonic-gate (void) thr_join(process_rcm_events_tid, NULL, NULL); 69517c478bd9Sstevel@tonic-gate } 69527c478bd9Sstevel@tonic-gate librcm_free_handle(rcm_hdl); 69537c478bd9Sstevel@tonic-gate (void) dlclose(librcm_hdl); 69547c478bd9Sstevel@tonic-gate } 69557c478bd9Sstevel@tonic-gate 69567c478bd9Sstevel@tonic-gate zlist_deleteall_unlocked(); /* dispose of all zones */ 69577c478bd9Sstevel@tonic-gate 69587c478bd9Sstevel@tonic-gate exit_dev_lock(); 69597c478bd9Sstevel@tonic-gate exit_daemon_lock(); 69607c478bd9Sstevel@tonic-gate 69617c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 69627c478bd9Sstevel@tonic-gate closelog(); 69637c478bd9Sstevel@tonic-gate } 69647c478bd9Sstevel@tonic-gate 69657c478bd9Sstevel@tonic-gate exit(status); 69667c478bd9Sstevel@tonic-gate } 69677c478bd9Sstevel@tonic-gate 69687c478bd9Sstevel@tonic-gate /* 69697c478bd9Sstevel@tonic-gate * set root_dir, devices_dir, dev_dir using optarg. zone_mode determines 69707c478bd9Sstevel@tonic-gate * whether we're operating on behalf of a zone; in this case, we need to 69717c478bd9Sstevel@tonic-gate * reference some things from the global zone. Note that zone mode and 69727c478bd9Sstevel@tonic-gate * -R don't get along, but that should be OK since zone mode is not 69737c478bd9Sstevel@tonic-gate * a public interface. 69747c478bd9Sstevel@tonic-gate */ 69757c478bd9Sstevel@tonic-gate static void 69767c478bd9Sstevel@tonic-gate set_root_devices_dev_dir(char *dir, int zone_mode) 69777c478bd9Sstevel@tonic-gate { 69787c478bd9Sstevel@tonic-gate size_t len; 69797c478bd9Sstevel@tonic-gate 69807c478bd9Sstevel@tonic-gate root_dir = s_strdup(dir); 69817c478bd9Sstevel@tonic-gate len = strlen(dir) + strlen(DEVICES) + 1; 69827c478bd9Sstevel@tonic-gate devices_dir = s_malloc(len); 69837c478bd9Sstevel@tonic-gate (void) snprintf(devices_dir, len, "%s%s", root_dir, DEVICES); 69847c478bd9Sstevel@tonic-gate len = strlen(root_dir) + strlen(DEV) + 1; 69857c478bd9Sstevel@tonic-gate dev_dir = s_malloc(len); 69867c478bd9Sstevel@tonic-gate (void) snprintf(dev_dir, len, "%s%s", root_dir, DEV); 69877c478bd9Sstevel@tonic-gate if (zone_mode) { 69887c478bd9Sstevel@tonic-gate len = strlen(DEV) + 1; 69897c478bd9Sstevel@tonic-gate global_dev_dir = s_malloc(len); 69907c478bd9Sstevel@tonic-gate (void) snprintf(global_dev_dir, len, "%s", DEV); 69917c478bd9Sstevel@tonic-gate } else { 69927c478bd9Sstevel@tonic-gate global_dev_dir = s_malloc(len); 69937c478bd9Sstevel@tonic-gate (void) snprintf(global_dev_dir, len, "%s%s", root_dir, DEV); 69947c478bd9Sstevel@tonic-gate } 69957c478bd9Sstevel@tonic-gate } 69967c478bd9Sstevel@tonic-gate 69977c478bd9Sstevel@tonic-gate /* 69987c478bd9Sstevel@tonic-gate * Removes quotes. 69997c478bd9Sstevel@tonic-gate */ 70007c478bd9Sstevel@tonic-gate static char * 70017c478bd9Sstevel@tonic-gate dequote(char *src) 70027c478bd9Sstevel@tonic-gate { 70037c478bd9Sstevel@tonic-gate char *dst; 70047c478bd9Sstevel@tonic-gate int len; 70057c478bd9Sstevel@tonic-gate 70067c478bd9Sstevel@tonic-gate len = strlen(src); 70077c478bd9Sstevel@tonic-gate dst = s_malloc(len + 1); 70087c478bd9Sstevel@tonic-gate if (src[0] == '\"' && src[len - 1] == '\"') { 70097c478bd9Sstevel@tonic-gate len -= 2; 70107c478bd9Sstevel@tonic-gate (void) strncpy(dst, &src[1], len); 70117c478bd9Sstevel@tonic-gate dst[len] = '\0'; 70127c478bd9Sstevel@tonic-gate } else { 70137c478bd9Sstevel@tonic-gate (void) strcpy(dst, src); 70147c478bd9Sstevel@tonic-gate } 70157c478bd9Sstevel@tonic-gate return (dst); 70167c478bd9Sstevel@tonic-gate } 70177c478bd9Sstevel@tonic-gate 70187c478bd9Sstevel@tonic-gate /* 70197c478bd9Sstevel@tonic-gate * For a given physical device pathname and spectype, return the 70207c478bd9Sstevel@tonic-gate * ownership and permissions attributes by looking in data from 70217c478bd9Sstevel@tonic-gate * /etc/minor_perm. If currently in installation mode, check for 70227c478bd9Sstevel@tonic-gate * possible major number translations from the miniroot to the installed 70237c478bd9Sstevel@tonic-gate * root's name_to_major table. Note that there can be multiple matches, 70247c478bd9Sstevel@tonic-gate * but the last match takes effect. pts seems to rely on this 70257c478bd9Sstevel@tonic-gate * implementation behavior. 70267c478bd9Sstevel@tonic-gate */ 70277c478bd9Sstevel@tonic-gate static void 70287c478bd9Sstevel@tonic-gate getattr(char *phy_path, char *aminor, int spectype, dev_t dev, mode_t *mode, 70297c478bd9Sstevel@tonic-gate uid_t *uid, gid_t *gid) 70307c478bd9Sstevel@tonic-gate { 70317c478bd9Sstevel@tonic-gate char devname[PATH_MAX + 1]; 70327c478bd9Sstevel@tonic-gate char *node_name; 70337c478bd9Sstevel@tonic-gate char *minor_name; 70347c478bd9Sstevel@tonic-gate int match = FALSE; 70357c478bd9Sstevel@tonic-gate int is_clone; 70367c478bd9Sstevel@tonic-gate int mp_drvname_matches_node_name; 70377c478bd9Sstevel@tonic-gate int mp_drvname_matches_minor_name; 70387c478bd9Sstevel@tonic-gate int mp_drvname_is_clone; 70397c478bd9Sstevel@tonic-gate int mp_drvname_matches_drvname; 70407c478bd9Sstevel@tonic-gate struct mperm *mp; 70417c478bd9Sstevel@tonic-gate major_t major_no; 70427c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 70437c478bd9Sstevel@tonic-gate 70447c478bd9Sstevel@tonic-gate /* 70457c478bd9Sstevel@tonic-gate * Get the driver name based on the major number since the name 70467c478bd9Sstevel@tonic-gate * in /devices may be generic. Could be running with more major 70477c478bd9Sstevel@tonic-gate * numbers than are in /etc/name_to_major, so get it from the kernel 70487c478bd9Sstevel@tonic-gate */ 70497c478bd9Sstevel@tonic-gate major_no = major(dev); 70507c478bd9Sstevel@tonic-gate 70517c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, driver, sizeof (driver), &major_no) != 0) { 70527c478bd9Sstevel@tonic-gate /* return default values */ 70537c478bd9Sstevel@tonic-gate goto use_defaults; 70547c478bd9Sstevel@tonic-gate } 70557c478bd9Sstevel@tonic-gate 70567c478bd9Sstevel@tonic-gate (void) strcpy(devname, phy_path); 70577c478bd9Sstevel@tonic-gate 70587c478bd9Sstevel@tonic-gate node_name = strrchr(devname, '/'); /* node name is the last */ 70597c478bd9Sstevel@tonic-gate /* component */ 70607c478bd9Sstevel@tonic-gate if (node_name == NULL) { 70617c478bd9Sstevel@tonic-gate err_print(NO_NODE, devname); 70627c478bd9Sstevel@tonic-gate goto use_defaults; 70637c478bd9Sstevel@tonic-gate } 70647c478bd9Sstevel@tonic-gate 70657c478bd9Sstevel@tonic-gate minor_name = strchr(++node_name, '@'); /* see if it has address part */ 70667c478bd9Sstevel@tonic-gate 70677c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 70687c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 70697c478bd9Sstevel@tonic-gate } else { 70707c478bd9Sstevel@tonic-gate minor_name = node_name; 70717c478bd9Sstevel@tonic-gate } 70727c478bd9Sstevel@tonic-gate 70737c478bd9Sstevel@tonic-gate minor_name = strchr(minor_name, ':'); /* look for minor name */ 70747c478bd9Sstevel@tonic-gate 70757c478bd9Sstevel@tonic-gate if (minor_name == NULL) { 70767c478bd9Sstevel@tonic-gate err_print(NO_MINOR, devname); 70777c478bd9Sstevel@tonic-gate goto use_defaults; 70787c478bd9Sstevel@tonic-gate } 70797c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 70807c478bd9Sstevel@tonic-gate 70817c478bd9Sstevel@tonic-gate /* 70827c478bd9Sstevel@tonic-gate * mp->mp_drvname = device name from minor_perm 70837c478bd9Sstevel@tonic-gate * mp->mp_minorname = minor part of device name from 70847c478bd9Sstevel@tonic-gate * minor_perm 70857c478bd9Sstevel@tonic-gate * drvname = name of driver for this device 70867c478bd9Sstevel@tonic-gate */ 70877c478bd9Sstevel@tonic-gate 70887c478bd9Sstevel@tonic-gate is_clone = (strcmp(node_name, "clone") == 0 ? TRUE : FALSE); 70897c478bd9Sstevel@tonic-gate for (mp = minor_perms; mp != NULL; mp = mp->mp_next) { 70907c478bd9Sstevel@tonic-gate mp_drvname_matches_node_name = 70917c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, node_name) == 0 ? TRUE : FALSE); 70927c478bd9Sstevel@tonic-gate mp_drvname_matches_minor_name = 70937c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, minor_name) == 0 ? TRUE:FALSE); 70947c478bd9Sstevel@tonic-gate mp_drvname_is_clone = 70957c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, "clone") == 0 ? TRUE : FALSE); 70967c478bd9Sstevel@tonic-gate mp_drvname_matches_drvname = 70977c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, driver) == 0 ? TRUE : FALSE); 70987c478bd9Sstevel@tonic-gate 70997c478bd9Sstevel@tonic-gate /* 71007c478bd9Sstevel@tonic-gate * If one of the following cases is true, then we try to change 71017c478bd9Sstevel@tonic-gate * the permissions if a "shell global pattern match" of 71027c478bd9Sstevel@tonic-gate * mp_>mp_minorname matches minor_name. 71037c478bd9Sstevel@tonic-gate * 71047c478bd9Sstevel@tonic-gate * 1. mp->mp_drvname matches driver. 71057c478bd9Sstevel@tonic-gate * 71067c478bd9Sstevel@tonic-gate * OR 71077c478bd9Sstevel@tonic-gate * 71087c478bd9Sstevel@tonic-gate * 2. mp->mp_drvname matches node_name and this 71097c478bd9Sstevel@tonic-gate * name is an alias of the driver name 71107c478bd9Sstevel@tonic-gate * 71117c478bd9Sstevel@tonic-gate * OR 71127c478bd9Sstevel@tonic-gate * 71137c478bd9Sstevel@tonic-gate * 3. /devices entry is the clone device and either 71147c478bd9Sstevel@tonic-gate * minor_perm entry is the clone device or matches 71157c478bd9Sstevel@tonic-gate * the minor part of the clone device. 71167c478bd9Sstevel@tonic-gate */ 71177c478bd9Sstevel@tonic-gate 71187c478bd9Sstevel@tonic-gate if ((mp_drvname_matches_drvname == TRUE)|| 71197c478bd9Sstevel@tonic-gate ((mp_drvname_matches_node_name == TRUE) && 71207c478bd9Sstevel@tonic-gate (alias(driver, node_name) == TRUE)) || 71217c478bd9Sstevel@tonic-gate ((is_clone == TRUE) && 71227c478bd9Sstevel@tonic-gate ((mp_drvname_is_clone == TRUE) || 71237c478bd9Sstevel@tonic-gate (mp_drvname_matches_minor_name == TRUE)))) { 71247c478bd9Sstevel@tonic-gate /* 71257c478bd9Sstevel@tonic-gate * Check that the minor part of the 71267c478bd9Sstevel@tonic-gate * device name from the minor_perm 71277c478bd9Sstevel@tonic-gate * entry matches and if so, set the 71287c478bd9Sstevel@tonic-gate * permissions. 71297c478bd9Sstevel@tonic-gate * 71307c478bd9Sstevel@tonic-gate * Under real devfs, clone minor name is changed 71317c478bd9Sstevel@tonic-gate * to match the driver name, but minor_perm may 71327c478bd9Sstevel@tonic-gate * not match. We reconcile it here. 71337c478bd9Sstevel@tonic-gate */ 71347c478bd9Sstevel@tonic-gate if (aminor != NULL) 71357c478bd9Sstevel@tonic-gate minor_name = aminor; 71367c478bd9Sstevel@tonic-gate 71377c478bd9Sstevel@tonic-gate if (gmatch(minor_name, mp->mp_minorname) != 0) { 71387c478bd9Sstevel@tonic-gate *uid = mp->mp_uid; 71397c478bd9Sstevel@tonic-gate *gid = mp->mp_gid; 71407c478bd9Sstevel@tonic-gate *mode = spectype | mp->mp_mode; 71417c478bd9Sstevel@tonic-gate match = TRUE; 71427c478bd9Sstevel@tonic-gate } 71437c478bd9Sstevel@tonic-gate } 71447c478bd9Sstevel@tonic-gate } 71457c478bd9Sstevel@tonic-gate 71467c478bd9Sstevel@tonic-gate if (match == TRUE) { 71477c478bd9Sstevel@tonic-gate return; 71487c478bd9Sstevel@tonic-gate } 71497c478bd9Sstevel@tonic-gate 71507c478bd9Sstevel@tonic-gate use_defaults: 71517c478bd9Sstevel@tonic-gate /* not found in minor_perm, so just use default values */ 71527c478bd9Sstevel@tonic-gate *uid = root_uid; 71537c478bd9Sstevel@tonic-gate *gid = sys_gid; 71547c478bd9Sstevel@tonic-gate *mode = (spectype | 0600); 71557c478bd9Sstevel@tonic-gate } 71567c478bd9Sstevel@tonic-gate 71577c478bd9Sstevel@tonic-gate /* 71587c478bd9Sstevel@tonic-gate * Called by devfs_read_minor_perm() to report errors 71597c478bd9Sstevel@tonic-gate * key is: 71607c478bd9Sstevel@tonic-gate * line number: ignoring line number error 71617c478bd9Sstevel@tonic-gate * errno: open/close errors 71627c478bd9Sstevel@tonic-gate * size: alloc errors 71637c478bd9Sstevel@tonic-gate */ 71647c478bd9Sstevel@tonic-gate static void 71657c478bd9Sstevel@tonic-gate minorperm_err_cb(minorperm_err_t mp_err, int key) 71667c478bd9Sstevel@tonic-gate { 71677c478bd9Sstevel@tonic-gate switch (mp_err) { 71687c478bd9Sstevel@tonic-gate case MP_FOPEN_ERR: 71697c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, MINOR_PERM_FILE, strerror(key)); 71707c478bd9Sstevel@tonic-gate break; 71717c478bd9Sstevel@tonic-gate case MP_FCLOSE_ERR: 71727c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, MINOR_PERM_FILE, strerror(key)); 71737c478bd9Sstevel@tonic-gate break; 71747c478bd9Sstevel@tonic-gate case MP_IGNORING_LINE_ERR: 71757c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, key, MINOR_PERM_FILE); 71767c478bd9Sstevel@tonic-gate break; 71777c478bd9Sstevel@tonic-gate case MP_ALLOC_ERR: 71787c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, key); 71797c478bd9Sstevel@tonic-gate break; 71807c478bd9Sstevel@tonic-gate case MP_NVLIST_ERR: 71817c478bd9Sstevel@tonic-gate err_print(NVLIST_ERROR, MINOR_PERM_FILE, strerror(key)); 71827c478bd9Sstevel@tonic-gate break; 71837c478bd9Sstevel@tonic-gate case MP_CANT_FIND_USER_ERR: 71847c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 71857c478bd9Sstevel@tonic-gate break; 71867c478bd9Sstevel@tonic-gate case MP_CANT_FIND_GROUP_ERR: 71877c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 71887c478bd9Sstevel@tonic-gate break; 71897c478bd9Sstevel@tonic-gate } 71907c478bd9Sstevel@tonic-gate } 71917c478bd9Sstevel@tonic-gate 71927c478bd9Sstevel@tonic-gate static void 71937c478bd9Sstevel@tonic-gate read_minor_perm_file(void) 71947c478bd9Sstevel@tonic-gate { 71957c478bd9Sstevel@tonic-gate static int cached = FALSE; 71967c478bd9Sstevel@tonic-gate static struct stat cached_sb; 71977c478bd9Sstevel@tonic-gate struct stat current_sb; 71987c478bd9Sstevel@tonic-gate 71997c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, ¤t_sb); 72007c478bd9Sstevel@tonic-gate 72017c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 72027c478bd9Sstevel@tonic-gate if (cached == TRUE) { 72037c478bd9Sstevel@tonic-gate 72047c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 72057c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", MINOR_PERM_FILE); 72067c478bd9Sstevel@tonic-gate return; 72077c478bd9Sstevel@tonic-gate } 72087c478bd9Sstevel@tonic-gate devfs_free_minor_perm(minor_perms); 72097c478bd9Sstevel@tonic-gate minor_perms = NULL; 72107c478bd9Sstevel@tonic-gate } else { 72117c478bd9Sstevel@tonic-gate cached = TRUE; 72127c478bd9Sstevel@tonic-gate } 72137c478bd9Sstevel@tonic-gate 72147c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, &cached_sb); 72157c478bd9Sstevel@tonic-gate 72167c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", MINOR_PERM_FILE); 72177c478bd9Sstevel@tonic-gate 72187c478bd9Sstevel@tonic-gate minor_perms = devfs_read_minor_perm(minorperm_err_cb); 72197c478bd9Sstevel@tonic-gate } 72207c478bd9Sstevel@tonic-gate 72217c478bd9Sstevel@tonic-gate static void 72227c478bd9Sstevel@tonic-gate load_minor_perm_file(void) 72237c478bd9Sstevel@tonic-gate { 72247c478bd9Sstevel@tonic-gate read_minor_perm_file(); 72257c478bd9Sstevel@tonic-gate if (devfs_load_minor_perm(minor_perms, minorperm_err_cb) != 0) 72267c478bd9Sstevel@tonic-gate err_print(gettext("minor_perm load failed\n")); 72277c478bd9Sstevel@tonic-gate } 72287c478bd9Sstevel@tonic-gate 72297c478bd9Sstevel@tonic-gate static char * 72307c478bd9Sstevel@tonic-gate convert_to_re(char *dev) 72317c478bd9Sstevel@tonic-gate { 72327c478bd9Sstevel@tonic-gate char *p, *l, *out; 72337c478bd9Sstevel@tonic-gate int i; 72347c478bd9Sstevel@tonic-gate 72357c478bd9Sstevel@tonic-gate out = s_malloc(PATH_MAX); 72367c478bd9Sstevel@tonic-gate 72377c478bd9Sstevel@tonic-gate for (l = p = dev, i = 0; (*p != '\0') && (i < (PATH_MAX - 1)); 72387c478bd9Sstevel@tonic-gate ++p, i++) { 72397c478bd9Sstevel@tonic-gate if ((*p == '*') && ((l != p) && (*l == '/'))) { 72407c478bd9Sstevel@tonic-gate out[i++] = '.'; 72417c478bd9Sstevel@tonic-gate out[i] = '+'; 72427c478bd9Sstevel@tonic-gate } else { 72437c478bd9Sstevel@tonic-gate out[i] = *p; 72447c478bd9Sstevel@tonic-gate } 72457c478bd9Sstevel@tonic-gate l = p; 72467c478bd9Sstevel@tonic-gate } 72477c478bd9Sstevel@tonic-gate out[i] = '\0'; 72487c478bd9Sstevel@tonic-gate p = (char *)s_malloc(strlen(out) + 1); 72497c478bd9Sstevel@tonic-gate (void) strlcpy(p, out, strlen(out) + 1); 72507c478bd9Sstevel@tonic-gate free(out); 72517c478bd9Sstevel@tonic-gate 72527c478bd9Sstevel@tonic-gate vprint(FILES_MID, "converted %s -> %s\n", dev, p); 72537c478bd9Sstevel@tonic-gate 72547c478bd9Sstevel@tonic-gate return (p); 72557c478bd9Sstevel@tonic-gate } 72567c478bd9Sstevel@tonic-gate 72577c478bd9Sstevel@tonic-gate static void 72587c478bd9Sstevel@tonic-gate read_logindevperm_file(void) 72597c478bd9Sstevel@tonic-gate { 72607c478bd9Sstevel@tonic-gate static int cached = FALSE; 72617c478bd9Sstevel@tonic-gate static struct stat cached_sb; 72627c478bd9Sstevel@tonic-gate struct stat current_sb; 72637c478bd9Sstevel@tonic-gate struct login_dev *ldev; 72647c478bd9Sstevel@tonic-gate FILE *fp; 72657c478bd9Sstevel@tonic-gate char line[MAX_LDEV_LINE]; 72667c478bd9Sstevel@tonic-gate int ln, perm, rv; 72677c478bd9Sstevel@tonic-gate char *cp, *console, *devlist, *dev; 72687c478bd9Sstevel@tonic-gate char *lasts, *devlasts, *permstr, *drv; 72697c478bd9Sstevel@tonic-gate struct driver_list *list, *next; 72707c478bd9Sstevel@tonic-gate 72717c478bd9Sstevel@tonic-gate /* Read logindevperm only when enabled */ 72727c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 72737c478bd9Sstevel@tonic-gate return; 72747c478bd9Sstevel@tonic-gate 72757c478bd9Sstevel@tonic-gate if (cached == TRUE) { 72767c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, ¤t_sb) == 0 && 72777c478bd9Sstevel@tonic-gate current_sb.st_mtime == cached_sb.st_mtime) { 72787c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", LDEV_FILE); 72797c478bd9Sstevel@tonic-gate return; 72807c478bd9Sstevel@tonic-gate } 72817c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", LDEV_FILE); 72827c478bd9Sstevel@tonic-gate while (login_dev_cache != NULL) { 72837c478bd9Sstevel@tonic-gate 72847c478bd9Sstevel@tonic-gate ldev = login_dev_cache; 72857c478bd9Sstevel@tonic-gate login_dev_cache = ldev->ldev_next; 72867c478bd9Sstevel@tonic-gate free(ldev->ldev_console); 72877c478bd9Sstevel@tonic-gate free(ldev->ldev_device); 72887c478bd9Sstevel@tonic-gate regfree(&ldev->ldev_device_regex); 72897c478bd9Sstevel@tonic-gate list = ldev->ldev_driver_list; 72907c478bd9Sstevel@tonic-gate while (list) { 72917c478bd9Sstevel@tonic-gate next = list->next; 72927c478bd9Sstevel@tonic-gate free(list); 72937c478bd9Sstevel@tonic-gate list = next; 72947c478bd9Sstevel@tonic-gate } 72957c478bd9Sstevel@tonic-gate free(ldev); 72967c478bd9Sstevel@tonic-gate } 72977c478bd9Sstevel@tonic-gate } else { 72987c478bd9Sstevel@tonic-gate cached = TRUE; 72997c478bd9Sstevel@tonic-gate } 73007c478bd9Sstevel@tonic-gate 73017c478bd9Sstevel@tonic-gate assert(login_dev_cache == NULL); 73027c478bd9Sstevel@tonic-gate 73037c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, &cached_sb) != 0) { 73047c478bd9Sstevel@tonic-gate cached = FALSE; 73057c478bd9Sstevel@tonic-gate return; 73067c478bd9Sstevel@tonic-gate } 73077c478bd9Sstevel@tonic-gate 73087c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading file: %s\n", LDEV_FILE); 73097c478bd9Sstevel@tonic-gate 73107c478bd9Sstevel@tonic-gate if ((fp = fopen(LDEV_FILE, "r")) == NULL) { 73117c478bd9Sstevel@tonic-gate /* Not fatal to devfsadm */ 73127c478bd9Sstevel@tonic-gate cached = FALSE; 73137c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, LDEV_FILE, strerror(errno)); 73147c478bd9Sstevel@tonic-gate return; 73157c478bd9Sstevel@tonic-gate } 73167c478bd9Sstevel@tonic-gate 73177c478bd9Sstevel@tonic-gate ln = 0; 73187c478bd9Sstevel@tonic-gate while (fgets(line, MAX_LDEV_LINE, fp) != NULL) { 73197c478bd9Sstevel@tonic-gate ln++; 73207c478bd9Sstevel@tonic-gate 73217c478bd9Sstevel@tonic-gate /* Remove comments */ 73227c478bd9Sstevel@tonic-gate if ((cp = strchr(line, '#')) != NULL) 73237c478bd9Sstevel@tonic-gate *cp = '\0'; 73247c478bd9Sstevel@tonic-gate 73257c478bd9Sstevel@tonic-gate if ((console = strtok_r(line, LDEV_DELIMS, &lasts)) == NULL) 73267c478bd9Sstevel@tonic-gate continue; /* Blank line */ 73277c478bd9Sstevel@tonic-gate 73287c478bd9Sstevel@tonic-gate if ((permstr = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 73297c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 73307c478bd9Sstevel@tonic-gate continue; /* Malformed line */ 73317c478bd9Sstevel@tonic-gate } 73327c478bd9Sstevel@tonic-gate 73337c478bd9Sstevel@tonic-gate /* 73347c478bd9Sstevel@tonic-gate * permstr is string in octal format. Convert to int 73357c478bd9Sstevel@tonic-gate */ 73367c478bd9Sstevel@tonic-gate cp = NULL; 73377c478bd9Sstevel@tonic-gate errno = 0; 73387c478bd9Sstevel@tonic-gate perm = strtol(permstr, &cp, 8); 73397c478bd9Sstevel@tonic-gate if (errno || perm < 0 || perm > 0777 || *cp != '\0') { 73407c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 73417c478bd9Sstevel@tonic-gate continue; 73427c478bd9Sstevel@tonic-gate } 73437c478bd9Sstevel@tonic-gate 73447c478bd9Sstevel@tonic-gate if ((devlist = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 73457c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 73467c478bd9Sstevel@tonic-gate continue; 73477c478bd9Sstevel@tonic-gate } 73487c478bd9Sstevel@tonic-gate 73497c478bd9Sstevel@tonic-gate dev = strtok_r(devlist, LDEV_DEV_DELIM, &devlasts); 73507c478bd9Sstevel@tonic-gate while (dev) { 73517c478bd9Sstevel@tonic-gate 73527c478bd9Sstevel@tonic-gate ldev = (struct login_dev *)s_zalloc( 73537c478bd9Sstevel@tonic-gate sizeof (struct login_dev)); 73547c478bd9Sstevel@tonic-gate ldev->ldev_console = s_strdup(console); 73557c478bd9Sstevel@tonic-gate ldev->ldev_perms = perm; 73567c478bd9Sstevel@tonic-gate 73577c478bd9Sstevel@tonic-gate /* 73587c478bd9Sstevel@tonic-gate * the logical device name may contain '*' which 73597c478bd9Sstevel@tonic-gate * we convert to a regular expression 73607c478bd9Sstevel@tonic-gate */ 73617c478bd9Sstevel@tonic-gate ldev->ldev_device = convert_to_re(dev); 73627c478bd9Sstevel@tonic-gate if (ldev->ldev_device && 73637c478bd9Sstevel@tonic-gate (rv = regcomp(&ldev->ldev_device_regex, 73647c478bd9Sstevel@tonic-gate ldev->ldev_device, REG_EXTENDED))) { 73657c478bd9Sstevel@tonic-gate bzero(&ldev->ldev_device_regex, 73667c478bd9Sstevel@tonic-gate sizeof (ldev->ldev_device_regex)); 73677c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 73687c478bd9Sstevel@tonic-gate ldev->ldev_device, rv); 73697c478bd9Sstevel@tonic-gate } 73707c478bd9Sstevel@tonic-gate ldev->ldev_next = login_dev_cache; 73717c478bd9Sstevel@tonic-gate login_dev_cache = ldev; 73727c478bd9Sstevel@tonic-gate dev = strtok_r(NULL, LDEV_DEV_DELIM, &devlasts); 73737c478bd9Sstevel@tonic-gate } 73747c478bd9Sstevel@tonic-gate 73757c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRVLIST_DELIMS, &lasts); 73767c478bd9Sstevel@tonic-gate if (drv) { 73777c478bd9Sstevel@tonic-gate if (strcmp(drv, LDEV_DRVLIST_NAME) == 0) { 73787c478bd9Sstevel@tonic-gate 73797c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRV_DELIMS, 73807c478bd9Sstevel@tonic-gate &lasts); 73817c478bd9Sstevel@tonic-gate 73827c478bd9Sstevel@tonic-gate while (drv) { 73837c478bd9Sstevel@tonic-gate vprint(FILES_MID, 73847c478bd9Sstevel@tonic-gate "logindevperm driver=%s\n", 73857c478bd9Sstevel@tonic-gate drv); 73867c478bd9Sstevel@tonic-gate 73877c478bd9Sstevel@tonic-gate /* 73887c478bd9Sstevel@tonic-gate * create a linked list of driver 73897c478bd9Sstevel@tonic-gate * names 73907c478bd9Sstevel@tonic-gate */ 73917c478bd9Sstevel@tonic-gate list = (struct driver_list *) 73927c478bd9Sstevel@tonic-gate s_zalloc( 73937c478bd9Sstevel@tonic-gate sizeof (struct driver_list)); 73947c478bd9Sstevel@tonic-gate (void) strlcpy(list->driver_name, drv, 73957c478bd9Sstevel@tonic-gate sizeof (list->driver_name)); 73967c478bd9Sstevel@tonic-gate list->next = ldev->ldev_driver_list; 73977c478bd9Sstevel@tonic-gate ldev->ldev_driver_list = list; 73987c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRV_DELIMS, 73997c478bd9Sstevel@tonic-gate &lasts); 74007c478bd9Sstevel@tonic-gate } 74017c478bd9Sstevel@tonic-gate } 74027c478bd9Sstevel@tonic-gate } 74037c478bd9Sstevel@tonic-gate } 74047c478bd9Sstevel@tonic-gate (void) fclose(fp); 74057c478bd9Sstevel@tonic-gate } 74067c478bd9Sstevel@tonic-gate 74077c478bd9Sstevel@tonic-gate /* 74087c478bd9Sstevel@tonic-gate * Tokens are separated by ' ', '\t', ':', '=', '&', '|', ';', '\n', or '\0' 74097c478bd9Sstevel@tonic-gate * 74107c478bd9Sstevel@tonic-gate * Returns DEVFSADM_SUCCESS if token found, DEVFSADM_FAILURE otherwise. 74117c478bd9Sstevel@tonic-gate */ 74127c478bd9Sstevel@tonic-gate static int 74137c478bd9Sstevel@tonic-gate getnexttoken(char *next, char **nextp, char **tokenpp, char *tchar) 74147c478bd9Sstevel@tonic-gate { 74157c478bd9Sstevel@tonic-gate char *cp; 74167c478bd9Sstevel@tonic-gate char *cp1; 74177c478bd9Sstevel@tonic-gate char *tokenp; 74187c478bd9Sstevel@tonic-gate 74197c478bd9Sstevel@tonic-gate cp = next; 74207c478bd9Sstevel@tonic-gate while (*cp == ' ' || *cp == '\t') { 74217c478bd9Sstevel@tonic-gate cp++; /* skip leading spaces */ 74227c478bd9Sstevel@tonic-gate } 74237c478bd9Sstevel@tonic-gate tokenp = cp; /* start of token */ 74247c478bd9Sstevel@tonic-gate while (*cp != '\0' && *cp != '\n' && *cp != ' ' && *cp != '\t' && 74257c478bd9Sstevel@tonic-gate *cp != ':' && *cp != '=' && *cp != '&' && 74267c478bd9Sstevel@tonic-gate *cp != '|' && *cp != ';') { 74277c478bd9Sstevel@tonic-gate cp++; /* point to next character */ 74287c478bd9Sstevel@tonic-gate } 74297c478bd9Sstevel@tonic-gate /* 74307c478bd9Sstevel@tonic-gate * If terminating character is a space or tab, look ahead to see if 74317c478bd9Sstevel@tonic-gate * there's another terminator that's not a space or a tab. 74327c478bd9Sstevel@tonic-gate * (This code handles trailing spaces.) 74337c478bd9Sstevel@tonic-gate */ 74347c478bd9Sstevel@tonic-gate if (*cp == ' ' || *cp == '\t') { 74357c478bd9Sstevel@tonic-gate cp1 = cp; 74367c478bd9Sstevel@tonic-gate while (*++cp1 == ' ' || *cp1 == '\t') 74377c478bd9Sstevel@tonic-gate ; 74387c478bd9Sstevel@tonic-gate if (*cp1 == '=' || *cp1 == ':' || *cp1 == '&' || *cp1 == '|' || 74397c478bd9Sstevel@tonic-gate *cp1 == ';' || *cp1 == '\n' || *cp1 == '\0') { 74407c478bd9Sstevel@tonic-gate *cp = NULL; /* terminate token */ 74417c478bd9Sstevel@tonic-gate cp = cp1; 74427c478bd9Sstevel@tonic-gate } 74437c478bd9Sstevel@tonic-gate } 74447c478bd9Sstevel@tonic-gate if (tchar != NULL) { 74457c478bd9Sstevel@tonic-gate *tchar = *cp; /* save terminating character */ 74467c478bd9Sstevel@tonic-gate if (*tchar == '\0') { 74477c478bd9Sstevel@tonic-gate *tchar = '\n'; 74487c478bd9Sstevel@tonic-gate } 74497c478bd9Sstevel@tonic-gate } 74507c478bd9Sstevel@tonic-gate *cp++ = '\0'; /* terminate token, point to next */ 74517c478bd9Sstevel@tonic-gate *nextp = cp; /* set pointer to next character */ 74527c478bd9Sstevel@tonic-gate if (cp - tokenp - 1 == 0) { 74537c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 74547c478bd9Sstevel@tonic-gate } 74557c478bd9Sstevel@tonic-gate *tokenpp = tokenp; 74567c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 74577c478bd9Sstevel@tonic-gate } 74587c478bd9Sstevel@tonic-gate 74597c478bd9Sstevel@tonic-gate /* 74607c478bd9Sstevel@tonic-gate * read or reread the driver aliases file 74617c478bd9Sstevel@tonic-gate */ 74627c478bd9Sstevel@tonic-gate static void 74637c478bd9Sstevel@tonic-gate read_driver_aliases_file(void) 74647c478bd9Sstevel@tonic-gate { 74657c478bd9Sstevel@tonic-gate 74667c478bd9Sstevel@tonic-gate driver_alias_t *save; 74677c478bd9Sstevel@tonic-gate driver_alias_t *lst_tail; 74687c478bd9Sstevel@tonic-gate driver_alias_t *ap; 74697c478bd9Sstevel@tonic-gate static int cached = FALSE; 74707c478bd9Sstevel@tonic-gate FILE *afd; 74717c478bd9Sstevel@tonic-gate char line[256]; 74727c478bd9Sstevel@tonic-gate char *cp; 74737c478bd9Sstevel@tonic-gate char *p; 74747c478bd9Sstevel@tonic-gate char t; 74757c478bd9Sstevel@tonic-gate int ln = 0; 74767c478bd9Sstevel@tonic-gate static struct stat cached_sb; 74777c478bd9Sstevel@tonic-gate struct stat current_sb; 74787c478bd9Sstevel@tonic-gate 74797c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, ¤t_sb); 74807c478bd9Sstevel@tonic-gate 74817c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 74827c478bd9Sstevel@tonic-gate if (cached == TRUE) { 74837c478bd9Sstevel@tonic-gate 74847c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 74857c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", ALIASFILE); 74867c478bd9Sstevel@tonic-gate return; 74877c478bd9Sstevel@tonic-gate } 74887c478bd9Sstevel@tonic-gate 74897c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", ALIASFILE); 74907c478bd9Sstevel@tonic-gate while (driver_aliases != NULL) { 74917c478bd9Sstevel@tonic-gate free(driver_aliases->alias_name); 74927c478bd9Sstevel@tonic-gate free(driver_aliases->driver_name); 74937c478bd9Sstevel@tonic-gate save = driver_aliases; 74947c478bd9Sstevel@tonic-gate driver_aliases = driver_aliases->next; 74957c478bd9Sstevel@tonic-gate free(save); 74967c478bd9Sstevel@tonic-gate } 74977c478bd9Sstevel@tonic-gate } else { 74987c478bd9Sstevel@tonic-gate cached = TRUE; 74997c478bd9Sstevel@tonic-gate } 75007c478bd9Sstevel@tonic-gate 75017c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, &cached_sb); 75027c478bd9Sstevel@tonic-gate 75037c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", ALIASFILE); 75047c478bd9Sstevel@tonic-gate 75057c478bd9Sstevel@tonic-gate if ((afd = fopen(ALIASFILE, "r")) == NULL) { 75067c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, ALIASFILE, strerror(errno)); 75077c478bd9Sstevel@tonic-gate devfsadm_exit(1); 75087c478bd9Sstevel@tonic-gate } 75097c478bd9Sstevel@tonic-gate 75107c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line) - 1, afd) != NULL) { 75117c478bd9Sstevel@tonic-gate ln++; 75127c478bd9Sstevel@tonic-gate cp = line; 75137c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 75147c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, ALIASFILE); 75157c478bd9Sstevel@tonic-gate continue; 75167c478bd9Sstevel@tonic-gate } 75177c478bd9Sstevel@tonic-gate if (t == '\n' || t == '\0') { 75187c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 75197c478bd9Sstevel@tonic-gate continue; 75207c478bd9Sstevel@tonic-gate } 75217c478bd9Sstevel@tonic-gate ap = (struct driver_alias *) 75227c478bd9Sstevel@tonic-gate s_zalloc(sizeof (struct driver_alias)); 75237c478bd9Sstevel@tonic-gate ap->driver_name = s_strdup(p); 75247c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 75257c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 75267c478bd9Sstevel@tonic-gate free(ap->driver_name); 75277c478bd9Sstevel@tonic-gate free(ap); 75287c478bd9Sstevel@tonic-gate continue; 75297c478bd9Sstevel@tonic-gate } 75307c478bd9Sstevel@tonic-gate if (*p == '"') { 75317c478bd9Sstevel@tonic-gate if (p[strlen(p) - 1] == '"') { 75327c478bd9Sstevel@tonic-gate p[strlen(p) - 1] = '\0'; 75337c478bd9Sstevel@tonic-gate p++; 75347c478bd9Sstevel@tonic-gate } 75357c478bd9Sstevel@tonic-gate } 75367c478bd9Sstevel@tonic-gate ap->alias_name = s_strdup(p); 75377c478bd9Sstevel@tonic-gate if (driver_aliases == NULL) { 75387c478bd9Sstevel@tonic-gate driver_aliases = ap; 75397c478bd9Sstevel@tonic-gate lst_tail = ap; 75407c478bd9Sstevel@tonic-gate } else { 75417c478bd9Sstevel@tonic-gate lst_tail->next = ap; 75427c478bd9Sstevel@tonic-gate lst_tail = ap; 75437c478bd9Sstevel@tonic-gate } 75447c478bd9Sstevel@tonic-gate } 75457c478bd9Sstevel@tonic-gate if (fclose(afd) == EOF) { 75467c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, ALIASFILE, strerror(errno)); 75477c478bd9Sstevel@tonic-gate } 75487c478bd9Sstevel@tonic-gate } 75497c478bd9Sstevel@tonic-gate 75507c478bd9Sstevel@tonic-gate /* 75517c478bd9Sstevel@tonic-gate * return TRUE if alias_name is an alias for driver_name, otherwise 75527c478bd9Sstevel@tonic-gate * return FALSE. 75537c478bd9Sstevel@tonic-gate */ 75547c478bd9Sstevel@tonic-gate static int 75557c478bd9Sstevel@tonic-gate alias(char *driver_name, char *alias_name) 75567c478bd9Sstevel@tonic-gate { 75577c478bd9Sstevel@tonic-gate driver_alias_t *alias; 75587c478bd9Sstevel@tonic-gate 75597c478bd9Sstevel@tonic-gate /* 75607c478bd9Sstevel@tonic-gate * check for a match 75617c478bd9Sstevel@tonic-gate */ 75627c478bd9Sstevel@tonic-gate for (alias = driver_aliases; alias != NULL; alias = alias->next) { 75637c478bd9Sstevel@tonic-gate if ((strcmp(alias->driver_name, driver_name) == 0) && 75647c478bd9Sstevel@tonic-gate (strcmp(alias->alias_name, alias_name) == 0)) { 75657c478bd9Sstevel@tonic-gate return (TRUE); 75667c478bd9Sstevel@tonic-gate } 75677c478bd9Sstevel@tonic-gate } 75687c478bd9Sstevel@tonic-gate return (FALSE); 75697c478bd9Sstevel@tonic-gate } 75707c478bd9Sstevel@tonic-gate 75717c478bd9Sstevel@tonic-gate /* 75727c478bd9Sstevel@tonic-gate * convenience functions 75737c478bd9Sstevel@tonic-gate */ 75747c478bd9Sstevel@tonic-gate static void * 75757c478bd9Sstevel@tonic-gate s_malloc(const size_t size) 75767c478bd9Sstevel@tonic-gate { 75777c478bd9Sstevel@tonic-gate void *rp; 75787c478bd9Sstevel@tonic-gate 75797c478bd9Sstevel@tonic-gate rp = malloc(size); 75807c478bd9Sstevel@tonic-gate if (rp == NULL) { 75817c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, size); 75827c478bd9Sstevel@tonic-gate devfsadm_exit(1); 75837c478bd9Sstevel@tonic-gate } 75847c478bd9Sstevel@tonic-gate return (rp); 75857c478bd9Sstevel@tonic-gate } 75867c478bd9Sstevel@tonic-gate 75877c478bd9Sstevel@tonic-gate /* 75887c478bd9Sstevel@tonic-gate * convenience functions 75897c478bd9Sstevel@tonic-gate */ 75907c478bd9Sstevel@tonic-gate static void * 75917c478bd9Sstevel@tonic-gate s_realloc(void *ptr, const size_t size) 75927c478bd9Sstevel@tonic-gate { 75937c478bd9Sstevel@tonic-gate ptr = realloc(ptr, size); 75947c478bd9Sstevel@tonic-gate if (ptr == NULL) { 75957c478bd9Sstevel@tonic-gate err_print(REALLOC_FAILED, size); 75967c478bd9Sstevel@tonic-gate devfsadm_exit(1); 75977c478bd9Sstevel@tonic-gate } 75987c478bd9Sstevel@tonic-gate return (ptr); 75997c478bd9Sstevel@tonic-gate } 76007c478bd9Sstevel@tonic-gate 76017c478bd9Sstevel@tonic-gate static void * 76027c478bd9Sstevel@tonic-gate s_zalloc(const size_t size) 76037c478bd9Sstevel@tonic-gate { 76047c478bd9Sstevel@tonic-gate void *rp; 76057c478bd9Sstevel@tonic-gate 76067c478bd9Sstevel@tonic-gate rp = calloc(1, size); 76077c478bd9Sstevel@tonic-gate if (rp == NULL) { 76087c478bd9Sstevel@tonic-gate err_print(CALLOC_FAILED, size); 76097c478bd9Sstevel@tonic-gate devfsadm_exit(1); 76107c478bd9Sstevel@tonic-gate } 76117c478bd9Sstevel@tonic-gate return (rp); 76127c478bd9Sstevel@tonic-gate } 76137c478bd9Sstevel@tonic-gate 76147c478bd9Sstevel@tonic-gate char * 76157c478bd9Sstevel@tonic-gate s_strdup(const char *ptr) 76167c478bd9Sstevel@tonic-gate { 76177c478bd9Sstevel@tonic-gate void *rp; 76187c478bd9Sstevel@tonic-gate 76197c478bd9Sstevel@tonic-gate rp = strdup(ptr); 76207c478bd9Sstevel@tonic-gate if (rp == NULL) { 76217c478bd9Sstevel@tonic-gate err_print(STRDUP_FAILED, ptr); 76227c478bd9Sstevel@tonic-gate devfsadm_exit(1); 76237c478bd9Sstevel@tonic-gate } 76247c478bd9Sstevel@tonic-gate return (rp); 76257c478bd9Sstevel@tonic-gate } 76267c478bd9Sstevel@tonic-gate 76277c478bd9Sstevel@tonic-gate static void 76287c478bd9Sstevel@tonic-gate s_closedir(DIR *dirp) 76297c478bd9Sstevel@tonic-gate { 76307c478bd9Sstevel@tonic-gate retry: 76317c478bd9Sstevel@tonic-gate if (closedir(dirp) != 0) { 76327c478bd9Sstevel@tonic-gate if (errno == EINTR) 76337c478bd9Sstevel@tonic-gate goto retry; 76347c478bd9Sstevel@tonic-gate err_print(CLOSEDIR_FAILED, strerror(errno)); 76357c478bd9Sstevel@tonic-gate } 76367c478bd9Sstevel@tonic-gate } 76377c478bd9Sstevel@tonic-gate 76387c478bd9Sstevel@tonic-gate static void 76397c478bd9Sstevel@tonic-gate s_mkdirp(const char *path, const mode_t mode) 76407c478bd9Sstevel@tonic-gate { 76417c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "mkdirp(%s, 0x%lx)\n", path, mode); 76427c478bd9Sstevel@tonic-gate if (mkdirp(path, mode) == -1) { 76437c478bd9Sstevel@tonic-gate if (errno != EEXIST) { 76447c478bd9Sstevel@tonic-gate err_print(MKDIR_FAILED, path, mode, strerror(errno)); 76457c478bd9Sstevel@tonic-gate } 76467c478bd9Sstevel@tonic-gate } 76477c478bd9Sstevel@tonic-gate } 76487c478bd9Sstevel@tonic-gate 76497c478bd9Sstevel@tonic-gate static void 76507c478bd9Sstevel@tonic-gate s_unlink(const char *file) 76517c478bd9Sstevel@tonic-gate { 76527c478bd9Sstevel@tonic-gate retry: 76537c478bd9Sstevel@tonic-gate if (unlink(file) == -1) { 76547c478bd9Sstevel@tonic-gate if (errno == EINTR || errno == EAGAIN) 76557c478bd9Sstevel@tonic-gate goto retry; 76567c478bd9Sstevel@tonic-gate if (errno != ENOENT) { 76577c478bd9Sstevel@tonic-gate err_print(UNLINK_FAILED, file, strerror(errno)); 76587c478bd9Sstevel@tonic-gate } 76597c478bd9Sstevel@tonic-gate } 76607c478bd9Sstevel@tonic-gate } 76617c478bd9Sstevel@tonic-gate 76627c478bd9Sstevel@tonic-gate static void 76637c478bd9Sstevel@tonic-gate add_verbose_id(char *mid) 76647c478bd9Sstevel@tonic-gate { 76657c478bd9Sstevel@tonic-gate num_verbose++; 76667c478bd9Sstevel@tonic-gate verbose = s_realloc(verbose, num_verbose * sizeof (char *)); 76677c478bd9Sstevel@tonic-gate verbose[num_verbose - 1] = mid; 76687c478bd9Sstevel@tonic-gate } 76697c478bd9Sstevel@tonic-gate 76707c478bd9Sstevel@tonic-gate /* 76717c478bd9Sstevel@tonic-gate * returns DEVFSADM_TRUE if contents is a minor node in /devices. 76727c478bd9Sstevel@tonic-gate * If mn_root is not NULL, mn_root is set to: 76737c478bd9Sstevel@tonic-gate * if contents is a /dev node, mn_root = contents 76747c478bd9Sstevel@tonic-gate * OR 76757c478bd9Sstevel@tonic-gate * if contents is a /devices node, mn_root set to the '/' 76767c478bd9Sstevel@tonic-gate * following /devices. 76777c478bd9Sstevel@tonic-gate */ 76787c478bd9Sstevel@tonic-gate static int 76797c478bd9Sstevel@tonic-gate is_minor_node(char *contents, char **mn_root) 76807c478bd9Sstevel@tonic-gate { 76817c478bd9Sstevel@tonic-gate char *ptr; 76827c478bd9Sstevel@tonic-gate char device_prefix[100]; 76837c478bd9Sstevel@tonic-gate 76847c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "../devices/"); 76857c478bd9Sstevel@tonic-gate 76867c478bd9Sstevel@tonic-gate if ((ptr = strstr(contents, device_prefix)) != NULL) { 76877c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 76887c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 76897c478bd9Sstevel@tonic-gate *mn_root = ptr += strlen(device_prefix) - 1; 76907c478bd9Sstevel@tonic-gate } 76917c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 76927c478bd9Sstevel@tonic-gate } 76937c478bd9Sstevel@tonic-gate 76947c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "/devices/"); 76957c478bd9Sstevel@tonic-gate 76967c478bd9Sstevel@tonic-gate if (strncmp(contents, device_prefix, strlen(device_prefix)) == 0) { 76977c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 76987c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 76997c478bd9Sstevel@tonic-gate *mn_root = contents + strlen(device_prefix) - 1; 77007c478bd9Sstevel@tonic-gate } 77017c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 77027c478bd9Sstevel@tonic-gate } 77037c478bd9Sstevel@tonic-gate 77047c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 77057c478bd9Sstevel@tonic-gate *mn_root = contents; 77067c478bd9Sstevel@tonic-gate } 77077c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 77087c478bd9Sstevel@tonic-gate } 77097c478bd9Sstevel@tonic-gate 77107c478bd9Sstevel@tonic-gate /* 77117c478bd9Sstevel@tonic-gate * Lookup nvpair corresponding to the given name and type: 77127c478bd9Sstevel@tonic-gate * 77137c478bd9Sstevel@tonic-gate * The standard nvlist_lookup functions in libnvpair don't work as our 77147c478bd9Sstevel@tonic-gate * nvlist is not allocated with NV_UNIQUE_NAME or NV_UNIQUE_NAME_TYPE. 77157c478bd9Sstevel@tonic-gate */ 77167c478bd9Sstevel@tonic-gate static nvpair_t * 77177c478bd9Sstevel@tonic-gate lookup_nvpair(nvlist_t *nvl, char *name, data_type_t type) 77187c478bd9Sstevel@tonic-gate { 77197c478bd9Sstevel@tonic-gate nvpair_t *nvp; 77207c478bd9Sstevel@tonic-gate 77217c478bd9Sstevel@tonic-gate for (nvp = nvlist_next_nvpair(nvl, NULL); nvp != NULL; 77227c478bd9Sstevel@tonic-gate nvp = nvlist_next_nvpair(nvl, nvp)) { 77237c478bd9Sstevel@tonic-gate if (strcmp(name, nvpair_name(nvp)) == 0 && 77247c478bd9Sstevel@tonic-gate nvpair_type(nvp) == type) 77257c478bd9Sstevel@tonic-gate return (nvp); 77267c478bd9Sstevel@tonic-gate } 77277c478bd9Sstevel@tonic-gate 77287c478bd9Sstevel@tonic-gate return (NULL); 77297c478bd9Sstevel@tonic-gate } 77307c478bd9Sstevel@tonic-gate 77317c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 77327c478bd9Sstevel@tonic-gate static void 77337c478bd9Sstevel@tonic-gate process_rcm_events(void *arg) 77347c478bd9Sstevel@tonic-gate { 77357c478bd9Sstevel@tonic-gate struct rcm_eventq *ev, *ev_next; 7736210db224Sericheng nvpair_t *nvp; 7737210db224Sericheng char *path, *driver; 7738210db224Sericheng int instance; 7739210db224Sericheng int err; 77407c478bd9Sstevel@tonic-gate int need_to_exit; 77417c478bd9Sstevel@tonic-gate 77427c478bd9Sstevel@tonic-gate for (;;) { 77437c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 77447c478bd9Sstevel@tonic-gate while (rcm_eventq_head == NULL && 77457c478bd9Sstevel@tonic-gate need_to_exit_rcm_event_thread == 0) 77467c478bd9Sstevel@tonic-gate (void) cond_wait(&rcm_eventq_cv, &rcm_eventq_lock); 77477c478bd9Sstevel@tonic-gate 77487c478bd9Sstevel@tonic-gate need_to_exit = need_to_exit_rcm_event_thread; 77497c478bd9Sstevel@tonic-gate ev = rcm_eventq_head; 77507c478bd9Sstevel@tonic-gate rcm_eventq_head = rcm_eventq_tail = NULL; 77517c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 77527c478bd9Sstevel@tonic-gate 77537c478bd9Sstevel@tonic-gate for (; ev != NULL; ev = ev_next) { 77547c478bd9Sstevel@tonic-gate /* 77557c478bd9Sstevel@tonic-gate * Private notification interface to RCM: 77567c478bd9Sstevel@tonic-gate * Do not retry the RCM notification on an error since 77577c478bd9Sstevel@tonic-gate * we do not know whether the failure occurred in 77587c478bd9Sstevel@tonic-gate * librcm, rcm_daemon or rcm modules or scripts. 77597c478bd9Sstevel@tonic-gate */ 7760210db224Sericheng if (librcm_notify_event(rcm_hdl, 7761210db224Sericheng RCM_RESOURCE_NETWORK_NEW, 0, ev->nvl, NULL) 7762210db224Sericheng != RCM_SUCCESS) { 7763210db224Sericheng 7764210db224Sericheng err = errno; 7765210db224Sericheng 7766210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7767210db224Sericheng RCM_NV_DEVFS_PATH, DATA_TYPE_STRING)) 7768210db224Sericheng == NULL) || 7769210db224Sericheng (nvpair_value_string(nvp, &path) != 0)) 7770210db224Sericheng path = "unknown"; 7771210db224Sericheng 7772210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7773210db224Sericheng RCM_NV_DRIVER_NAME, DATA_TYPE_STRING)) 7774210db224Sericheng == NULL) || 7775210db224Sericheng (nvpair_value_string(nvp, &driver) != 0)) 7776210db224Sericheng driver = "unknown"; 7777210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7778210db224Sericheng RCM_NV_INSTANCE, DATA_TYPE_INT32)) 7779210db224Sericheng == NULL) || 7780210db224Sericheng (nvpair_value_int32(nvp, &instance) != 0)) 7781210db224Sericheng instance = -1; 7782210db224Sericheng 7783210db224Sericheng err_print(RCM_NOTIFY_FAILED, path, driver, 7784210db224Sericheng instance, strerror(err)); 7785210db224Sericheng } 77867c478bd9Sstevel@tonic-gate 77877c478bd9Sstevel@tonic-gate ev_next = ev->next; 77887c478bd9Sstevel@tonic-gate nvlist_free(ev->nvl); 77897c478bd9Sstevel@tonic-gate free(ev); 77907c478bd9Sstevel@tonic-gate } 77917c478bd9Sstevel@tonic-gate 77927c478bd9Sstevel@tonic-gate if (need_to_exit) 77937c478bd9Sstevel@tonic-gate return; 77947c478bd9Sstevel@tonic-gate } 77957c478bd9Sstevel@tonic-gate } 77967c478bd9Sstevel@tonic-gate 77977c478bd9Sstevel@tonic-gate /* 77987c478bd9Sstevel@tonic-gate * Initialize rcm related handles and function pointers. 77997c478bd9Sstevel@tonic-gate * Since RCM need not present in miniroot, we dlopen librcm. 78007c478bd9Sstevel@tonic-gate */ 78017c478bd9Sstevel@tonic-gate static int 78027c478bd9Sstevel@tonic-gate rcm_init(void) 78037c478bd9Sstevel@tonic-gate { 78047c478bd9Sstevel@tonic-gate #define LIBRCM_PATH "/usr/lib/librcm.so" 78057c478bd9Sstevel@tonic-gate rcm_handle_t *hdl = NULL; 78067c478bd9Sstevel@tonic-gate int err; 78077c478bd9Sstevel@tonic-gate 78087c478bd9Sstevel@tonic-gate if ((librcm_hdl = dlopen(LIBRCM_PATH, RTLD_LAZY)) == NULL) { 78097c478bd9Sstevel@tonic-gate /* 78107c478bd9Sstevel@tonic-gate * don't log an error here, since librcm may not be present 78117c478bd9Sstevel@tonic-gate * in miniroot. 78127c478bd9Sstevel@tonic-gate */ 78137c478bd9Sstevel@tonic-gate return (-1); 78147c478bd9Sstevel@tonic-gate } 78157c478bd9Sstevel@tonic-gate 78167c478bd9Sstevel@tonic-gate librcm_alloc_handle = (int (*)())dlsym(librcm_hdl, "rcm_alloc_handle"); 78177c478bd9Sstevel@tonic-gate librcm_free_handle = (void (*)())dlsym(librcm_hdl, "rcm_free_handle"); 78187c478bd9Sstevel@tonic-gate librcm_notify_event = (int (*)())dlsym(librcm_hdl, "rcm_notify_event"); 78197c478bd9Sstevel@tonic-gate 78207c478bd9Sstevel@tonic-gate if (librcm_alloc_handle == NULL || librcm_notify_event == NULL || 78217c478bd9Sstevel@tonic-gate librcm_free_handle == NULL) { 78227c478bd9Sstevel@tonic-gate err_print(MISSING_SYMBOLS, LIBRCM_PATH); 78237c478bd9Sstevel@tonic-gate goto out; 78247c478bd9Sstevel@tonic-gate } 78257c478bd9Sstevel@tonic-gate 78267c478bd9Sstevel@tonic-gate /* Initialize the rcm handle */ 78277c478bd9Sstevel@tonic-gate if (librcm_alloc_handle(NULL, 0, NULL, &hdl) != RCM_SUCCESS) { 78287c478bd9Sstevel@tonic-gate err_print(RCM_ALLOC_HANDLE_ERROR); 78297c478bd9Sstevel@tonic-gate goto out; 78307c478bd9Sstevel@tonic-gate } 78317c478bd9Sstevel@tonic-gate 78327c478bd9Sstevel@tonic-gate (void) cond_init(&rcm_eventq_cv, USYNC_THREAD, 0); 78337c478bd9Sstevel@tonic-gate (void) mutex_init(&rcm_eventq_lock, USYNC_THREAD, 0); 78347c478bd9Sstevel@tonic-gate 78357c478bd9Sstevel@tonic-gate /* create a thread to notify RCM of events */ 78367c478bd9Sstevel@tonic-gate if ((err = thr_create(NULL, 0, (void *(*)(void *))process_rcm_events, 78377c478bd9Sstevel@tonic-gate NULL, 0, &process_rcm_events_tid)) != 0) { 78387c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "process_rcm_events", 78397c478bd9Sstevel@tonic-gate strerror(err)); 78407c478bd9Sstevel@tonic-gate goto out; 78417c478bd9Sstevel@tonic-gate } 78427c478bd9Sstevel@tonic-gate 78437c478bd9Sstevel@tonic-gate rcm_hdl = hdl; 78447c478bd9Sstevel@tonic-gate return (0); 78457c478bd9Sstevel@tonic-gate 78467c478bd9Sstevel@tonic-gate out: 78477c478bd9Sstevel@tonic-gate if (hdl) 78487c478bd9Sstevel@tonic-gate librcm_free_handle(hdl); 78497c478bd9Sstevel@tonic-gate (void) dlclose(librcm_hdl); 78507c478bd9Sstevel@tonic-gate return (-1); 78517c478bd9Sstevel@tonic-gate } 78527c478bd9Sstevel@tonic-gate 78537c478bd9Sstevel@tonic-gate /* 78547c478bd9Sstevel@tonic-gate * Build an nvlist using the minor data. Pack it and add the packed nvlist 78557c478bd9Sstevel@tonic-gate * as a byte array to nv_list parameter. 78567c478bd9Sstevel@tonic-gate * Return 0 on success, errno on failure. 78577c478bd9Sstevel@tonic-gate */ 78587c478bd9Sstevel@tonic-gate static int 78597c478bd9Sstevel@tonic-gate add_minor_data_to_nvl(nvlist_t *nv_list, di_minor_t minor) 78607c478bd9Sstevel@tonic-gate { 78617c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 78627c478bd9Sstevel@tonic-gate int32_t minor_type; 78637c478bd9Sstevel@tonic-gate char *minor_name, *minor_node_type; 78647c478bd9Sstevel@tonic-gate int err; 78657c478bd9Sstevel@tonic-gate char *buf = NULL; 78667c478bd9Sstevel@tonic-gate size_t buflen = 0; 78677c478bd9Sstevel@tonic-gate 78687c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, 0, 0)) != 0) 78697c478bd9Sstevel@tonic-gate return (err); 78707c478bd9Sstevel@tonic-gate 78717c478bd9Sstevel@tonic-gate minor_type = (int32_t)di_minor_type(minor); 78727c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, RCM_NV_MINOR_TYPE, minor_type)) != 0) 78737c478bd9Sstevel@tonic-gate goto error; 78747c478bd9Sstevel@tonic-gate 78757c478bd9Sstevel@tonic-gate minor_name = di_minor_name(minor); 78767c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_MINOR_NAME, minor_name)) != 0) 78777c478bd9Sstevel@tonic-gate goto error; 78787c478bd9Sstevel@tonic-gate 78797c478bd9Sstevel@tonic-gate if ((minor_node_type = di_minor_nodetype(minor)) == NULL) 78807c478bd9Sstevel@tonic-gate minor_node_type = ""; 78817c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_MINOR_NODE_TYPE, 78827c478bd9Sstevel@tonic-gate minor_node_type)) != 0) 78837c478bd9Sstevel@tonic-gate goto error; 78847c478bd9Sstevel@tonic-gate 78857c478bd9Sstevel@tonic-gate if ((err = nvlist_pack(nvl, &buf, &buflen, NV_ENCODE_NATIVE, 0)) != 0) 78867c478bd9Sstevel@tonic-gate goto error; 78877c478bd9Sstevel@tonic-gate 78887c478bd9Sstevel@tonic-gate err = nvlist_add_byte_array(nv_list, RCM_NV_MINOR_DATA, 78897c478bd9Sstevel@tonic-gate (uchar_t *)(buf), (uint_t)(buflen)); 78907c478bd9Sstevel@tonic-gate 78917c478bd9Sstevel@tonic-gate error: 78927c478bd9Sstevel@tonic-gate nvlist_free(nvl); 78937c478bd9Sstevel@tonic-gate if (buf) 78947c478bd9Sstevel@tonic-gate free(buf); 78957c478bd9Sstevel@tonic-gate return (err); 78967c478bd9Sstevel@tonic-gate } 78977c478bd9Sstevel@tonic-gate 78987c478bd9Sstevel@tonic-gate static void 78997c478bd9Sstevel@tonic-gate enqueue_rcm_event(nvlist_t *nvl) 79007c478bd9Sstevel@tonic-gate { 79017c478bd9Sstevel@tonic-gate struct rcm_eventq *ev; 79027c478bd9Sstevel@tonic-gate 79037c478bd9Sstevel@tonic-gate ev = (struct rcm_eventq *)s_zalloc(sizeof (struct rcm_eventq)); 79047c478bd9Sstevel@tonic-gate ev->nvl = nvl; 79057c478bd9Sstevel@tonic-gate 79067c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 79077c478bd9Sstevel@tonic-gate if (rcm_eventq_head == NULL) 79087c478bd9Sstevel@tonic-gate rcm_eventq_head = ev; 79097c478bd9Sstevel@tonic-gate else 79107c478bd9Sstevel@tonic-gate rcm_eventq_tail->next = ev; 79117c478bd9Sstevel@tonic-gate rcm_eventq_tail = ev; 79127c478bd9Sstevel@tonic-gate (void) cond_broadcast(&rcm_eventq_cv); 79137c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 79147c478bd9Sstevel@tonic-gate } 79157c478bd9Sstevel@tonic-gate 79167c478bd9Sstevel@tonic-gate /* 79177c478bd9Sstevel@tonic-gate * Generate an nvlist using the information given in node and minor_name. 79187c478bd9Sstevel@tonic-gate * If minor_name is NULL the nvlist will contain information on 79197c478bd9Sstevel@tonic-gate * all minor nodes. Otherwise the nvlist will contain information 79207c478bd9Sstevel@tonic-gate * only on the given minor_name. Notify RCM passing the nvlist. 79217c478bd9Sstevel@tonic-gate * 79227c478bd9Sstevel@tonic-gate * Return 0 upon successfully notifying RCM, errno on failure. 79237c478bd9Sstevel@tonic-gate */ 79247c478bd9Sstevel@tonic-gate static int 79257c478bd9Sstevel@tonic-gate notify_rcm(di_node_t node, char *minor_name) 79267c478bd9Sstevel@tonic-gate { 79277c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 79287c478bd9Sstevel@tonic-gate char *path, *driver_name; 79297c478bd9Sstevel@tonic-gate char *node_name; 79307c478bd9Sstevel@tonic-gate int err; 79317c478bd9Sstevel@tonic-gate int32_t instance; 79327c478bd9Sstevel@tonic-gate di_minor_t minor; 79337c478bd9Sstevel@tonic-gate 79347c478bd9Sstevel@tonic-gate if ((driver_name = di_driver_name(node)) == NULL) 79357c478bd9Sstevel@tonic-gate driver_name = ""; 79367c478bd9Sstevel@tonic-gate 79377c478bd9Sstevel@tonic-gate instance = (int32_t)di_instance(node); 79387c478bd9Sstevel@tonic-gate 79397c478bd9Sstevel@tonic-gate if ((path = di_devfs_path(node)) == NULL) { 79407c478bd9Sstevel@tonic-gate err = errno; 79417c478bd9Sstevel@tonic-gate goto error; 79427c478bd9Sstevel@tonic-gate } 79437c478bd9Sstevel@tonic-gate 79447c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, 0, 0)) != 0) 79457c478bd9Sstevel@tonic-gate goto error; 79467c478bd9Sstevel@tonic-gate 79477c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_DRIVER_NAME, driver_name)) 79487c478bd9Sstevel@tonic-gate != 0) 79497c478bd9Sstevel@tonic-gate goto error; 79507c478bd9Sstevel@tonic-gate 79517c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, RCM_NV_INSTANCE, instance)) != 0) 79527c478bd9Sstevel@tonic-gate goto error; 79537c478bd9Sstevel@tonic-gate 79547c478bd9Sstevel@tonic-gate if ((node_name = di_node_name(node)) == NULL) 79557c478bd9Sstevel@tonic-gate node_name = ""; 79567c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_NODE_NAME, node_name)) != 0) 79577c478bd9Sstevel@tonic-gate goto error; 79587c478bd9Sstevel@tonic-gate 79597c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_DEVFS_PATH, path)) != 0) 79607c478bd9Sstevel@tonic-gate goto error; 79617c478bd9Sstevel@tonic-gate 79627c478bd9Sstevel@tonic-gate minor = di_minor_next(node, DI_MINOR_NIL); 79637c478bd9Sstevel@tonic-gate while (minor != DI_MINOR_NIL) { 79647c478bd9Sstevel@tonic-gate if ((minor_name == NULL) || 79657c478bd9Sstevel@tonic-gate (strcmp(minor_name, di_minor_name(minor)) == 0)) { 79667c478bd9Sstevel@tonic-gate if ((err = add_minor_data_to_nvl(nvl, minor)) != 0) 79677c478bd9Sstevel@tonic-gate goto error; 79687c478bd9Sstevel@tonic-gate } 79697c478bd9Sstevel@tonic-gate minor = di_minor_next(node, minor); 79707c478bd9Sstevel@tonic-gate } 79717c478bd9Sstevel@tonic-gate 79727c478bd9Sstevel@tonic-gate enqueue_rcm_event(nvl); 79737c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 79747c478bd9Sstevel@tonic-gate return (0); 79757c478bd9Sstevel@tonic-gate 79767c478bd9Sstevel@tonic-gate error: 79777c478bd9Sstevel@tonic-gate err_print(RCM_NVLIST_BUILD_ERROR, ((path != NULL) ? path : "unknown"), 79787c478bd9Sstevel@tonic-gate driver_name, instance, strerror(err)); 79797c478bd9Sstevel@tonic-gate 79807c478bd9Sstevel@tonic-gate if (path) 79817c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 79827c478bd9Sstevel@tonic-gate if (nvl) 79837c478bd9Sstevel@tonic-gate nvlist_free(nvl); 79847c478bd9Sstevel@tonic-gate return (err); 79857c478bd9Sstevel@tonic-gate } 79867c478bd9Sstevel@tonic-gate 79877c478bd9Sstevel@tonic-gate /* 79887c478bd9Sstevel@tonic-gate * Add the specified property to nvl. 79897c478bd9Sstevel@tonic-gate * Returns: 79907c478bd9Sstevel@tonic-gate * 0 successfully added 79917c478bd9Sstevel@tonic-gate * -1 an error occurred 79927c478bd9Sstevel@tonic-gate * 1 could not add the property for reasons not due to errors. 79937c478bd9Sstevel@tonic-gate */ 79947c478bd9Sstevel@tonic-gate static int 79957c478bd9Sstevel@tonic-gate add_property(nvlist_t *nvl, di_prop_t prop) 79967c478bd9Sstevel@tonic-gate { 79977c478bd9Sstevel@tonic-gate char *name; 79987c478bd9Sstevel@tonic-gate char *attr_name; 79997c478bd9Sstevel@tonic-gate int n, len; 80007c478bd9Sstevel@tonic-gate int32_t *int32p; 80017c478bd9Sstevel@tonic-gate int64_t *int64p; 80027c478bd9Sstevel@tonic-gate char *str; 80037c478bd9Sstevel@tonic-gate char **strarray; 80047c478bd9Sstevel@tonic-gate uchar_t *bytep; 80057c478bd9Sstevel@tonic-gate int rv = 0; 80067c478bd9Sstevel@tonic-gate int i; 80077c478bd9Sstevel@tonic-gate 80087c478bd9Sstevel@tonic-gate if ((name = di_prop_name(prop)) == NULL) 80097c478bd9Sstevel@tonic-gate return (-1); 80107c478bd9Sstevel@tonic-gate 80117c478bd9Sstevel@tonic-gate len = sizeof (DEV_PROP_PREFIX) + strlen(name); 80127c478bd9Sstevel@tonic-gate if ((attr_name = malloc(len)) == NULL) 80137c478bd9Sstevel@tonic-gate return (-1); 80147c478bd9Sstevel@tonic-gate 80157c478bd9Sstevel@tonic-gate (void) strlcpy(attr_name, DEV_PROP_PREFIX, len); 80167c478bd9Sstevel@tonic-gate (void) strlcat(attr_name, name, len); 80177c478bd9Sstevel@tonic-gate 80187c478bd9Sstevel@tonic-gate switch (di_prop_type(prop)) { 80197c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BOOLEAN: 80207c478bd9Sstevel@tonic-gate if (nvlist_add_boolean(nvl, attr_name) != 0) 80217c478bd9Sstevel@tonic-gate goto out; 80227c478bd9Sstevel@tonic-gate break; 80237c478bd9Sstevel@tonic-gate 80247c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT: 80257c478bd9Sstevel@tonic-gate if ((n = di_prop_ints(prop, &int32p)) < 1) 80267c478bd9Sstevel@tonic-gate goto out; 80277c478bd9Sstevel@tonic-gate 80287c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int32_t))) { 80297c478bd9Sstevel@tonic-gate if (nvlist_add_int32_array(nvl, attr_name, int32p, 80307c478bd9Sstevel@tonic-gate n) != 0) 80317c478bd9Sstevel@tonic-gate goto out; 80327c478bd9Sstevel@tonic-gate } else 80337c478bd9Sstevel@tonic-gate rv = 1; 80347c478bd9Sstevel@tonic-gate break; 80357c478bd9Sstevel@tonic-gate 80367c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT64: 80377c478bd9Sstevel@tonic-gate if ((n = di_prop_int64(prop, &int64p)) < 1) 80387c478bd9Sstevel@tonic-gate goto out; 80397c478bd9Sstevel@tonic-gate 80407c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int64_t))) { 80417c478bd9Sstevel@tonic-gate if (nvlist_add_int64_array(nvl, attr_name, int64p, 80427c478bd9Sstevel@tonic-gate n) != 0) 80437c478bd9Sstevel@tonic-gate goto out; 80447c478bd9Sstevel@tonic-gate } else 80457c478bd9Sstevel@tonic-gate rv = 1; 80467c478bd9Sstevel@tonic-gate break; 80477c478bd9Sstevel@tonic-gate 80487c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BYTE: 80497c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_UNKNOWN: 80507c478bd9Sstevel@tonic-gate if ((n = di_prop_bytes(prop, &bytep)) < 1) 80517c478bd9Sstevel@tonic-gate goto out; 80527c478bd9Sstevel@tonic-gate 80537c478bd9Sstevel@tonic-gate if (n <= PROP_LEN_LIMIT) { 80547c478bd9Sstevel@tonic-gate if (nvlist_add_byte_array(nvl, attr_name, bytep, n) 80557c478bd9Sstevel@tonic-gate != 0) 80567c478bd9Sstevel@tonic-gate goto out; 80577c478bd9Sstevel@tonic-gate } else 80587c478bd9Sstevel@tonic-gate rv = 1; 80597c478bd9Sstevel@tonic-gate break; 80607c478bd9Sstevel@tonic-gate 80617c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_STRING: 80627c478bd9Sstevel@tonic-gate if ((n = di_prop_strings(prop, &str)) < 1) 80637c478bd9Sstevel@tonic-gate goto out; 80647c478bd9Sstevel@tonic-gate 80657c478bd9Sstevel@tonic-gate if ((strarray = malloc(n * sizeof (char *))) == NULL) 80667c478bd9Sstevel@tonic-gate goto out; 80677c478bd9Sstevel@tonic-gate 80687c478bd9Sstevel@tonic-gate len = 0; 80697c478bd9Sstevel@tonic-gate for (i = 0; i < n; i++) { 80707c478bd9Sstevel@tonic-gate strarray[i] = str + len; 80717c478bd9Sstevel@tonic-gate len += strlen(strarray[i]) + 1; 80727c478bd9Sstevel@tonic-gate } 80737c478bd9Sstevel@tonic-gate 80747c478bd9Sstevel@tonic-gate if (len <= PROP_LEN_LIMIT) { 80757c478bd9Sstevel@tonic-gate if (nvlist_add_string_array(nvl, attr_name, strarray, 80767c478bd9Sstevel@tonic-gate n) != 0) { 80777c478bd9Sstevel@tonic-gate free(strarray); 80787c478bd9Sstevel@tonic-gate goto out; 80797c478bd9Sstevel@tonic-gate } 80807c478bd9Sstevel@tonic-gate } else 80817c478bd9Sstevel@tonic-gate rv = 1; 80827c478bd9Sstevel@tonic-gate free(strarray); 80837c478bd9Sstevel@tonic-gate break; 80847c478bd9Sstevel@tonic-gate 80857c478bd9Sstevel@tonic-gate default: 80867c478bd9Sstevel@tonic-gate rv = 1; 80877c478bd9Sstevel@tonic-gate break; 80887c478bd9Sstevel@tonic-gate } 80897c478bd9Sstevel@tonic-gate 80907c478bd9Sstevel@tonic-gate free(attr_name); 80917c478bd9Sstevel@tonic-gate return (rv); 80927c478bd9Sstevel@tonic-gate 80937c478bd9Sstevel@tonic-gate out: 80947c478bd9Sstevel@tonic-gate free(attr_name); 80957c478bd9Sstevel@tonic-gate return (-1); 80967c478bd9Sstevel@tonic-gate } 80977c478bd9Sstevel@tonic-gate 80987c478bd9Sstevel@tonic-gate static void 80997c478bd9Sstevel@tonic-gate free_dev_names(struct devlink_cb_arg *x) 81007c478bd9Sstevel@tonic-gate { 81017c478bd9Sstevel@tonic-gate int i; 81027c478bd9Sstevel@tonic-gate 81037c478bd9Sstevel@tonic-gate for (i = 0; i < x->count; i++) { 81047c478bd9Sstevel@tonic-gate free(x->dev_names[i]); 81057c478bd9Sstevel@tonic-gate free(x->link_contents[i]); 81067c478bd9Sstevel@tonic-gate } 81077c478bd9Sstevel@tonic-gate } 81087c478bd9Sstevel@tonic-gate 81097c478bd9Sstevel@tonic-gate /* callback function for di_devlink_cache_walk */ 81107c478bd9Sstevel@tonic-gate static int 81117c478bd9Sstevel@tonic-gate devlink_cb(di_devlink_t dl, void *arg) 81127c478bd9Sstevel@tonic-gate { 81137c478bd9Sstevel@tonic-gate struct devlink_cb_arg *x = (struct devlink_cb_arg *)arg; 81147c478bd9Sstevel@tonic-gate const char *path; 81157c478bd9Sstevel@tonic-gate const char *content; 81167c478bd9Sstevel@tonic-gate 81177c478bd9Sstevel@tonic-gate if ((path = di_devlink_path(dl)) == NULL || 81187c478bd9Sstevel@tonic-gate (content = di_devlink_content(dl)) == NULL || 81197c478bd9Sstevel@tonic-gate (x->dev_names[x->count] = strdup(path)) == NULL) 81207c478bd9Sstevel@tonic-gate goto out; 81217c478bd9Sstevel@tonic-gate 81227c478bd9Sstevel@tonic-gate if ((x->link_contents[x->count] = strdup(content)) == NULL) { 81237c478bd9Sstevel@tonic-gate free(x->dev_names[x->count]); 81247c478bd9Sstevel@tonic-gate goto out; 81257c478bd9Sstevel@tonic-gate } 81267c478bd9Sstevel@tonic-gate 81277c478bd9Sstevel@tonic-gate x->count++; 81287c478bd9Sstevel@tonic-gate if (x->count >= MAX_DEV_NAME_COUNT) 81297c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 81307c478bd9Sstevel@tonic-gate 81317c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 81327c478bd9Sstevel@tonic-gate 81337c478bd9Sstevel@tonic-gate out: 81347c478bd9Sstevel@tonic-gate x->rv = -1; 81357c478bd9Sstevel@tonic-gate free_dev_names(x); 81367c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 81377c478bd9Sstevel@tonic-gate } 81387c478bd9Sstevel@tonic-gate 81397c478bd9Sstevel@tonic-gate /* 81407c478bd9Sstevel@tonic-gate * Lookup dev name corresponding to the phys_path. 81417c478bd9Sstevel@tonic-gate * phys_path is path to a node or minor node. 81427c478bd9Sstevel@tonic-gate * Returns: 81437c478bd9Sstevel@tonic-gate * 0 with *dev_name set to the dev name 81447c478bd9Sstevel@tonic-gate * Lookup succeeded and dev_name found 81457c478bd9Sstevel@tonic-gate * 0 with *dev_name set to NULL 81467c478bd9Sstevel@tonic-gate * Lookup encountered no errors but dev name not found 81477c478bd9Sstevel@tonic-gate * -1 81487c478bd9Sstevel@tonic-gate * Lookup failed 81497c478bd9Sstevel@tonic-gate */ 81507c478bd9Sstevel@tonic-gate static int 81517c478bd9Sstevel@tonic-gate lookup_dev_name(char *phys_path, char **dev_name) 81527c478bd9Sstevel@tonic-gate { 81537c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 81547c478bd9Sstevel@tonic-gate 81557c478bd9Sstevel@tonic-gate *dev_name = NULL; 81567c478bd9Sstevel@tonic-gate 81577c478bd9Sstevel@tonic-gate cb_arg.count = 0; 81587c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 81597c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, phys_path, 81607c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 81617c478bd9Sstevel@tonic-gate 81627c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1) 81637c478bd9Sstevel@tonic-gate return (-1); 81647c478bd9Sstevel@tonic-gate 81657c478bd9Sstevel@tonic-gate if (cb_arg.count > 0) { 81667c478bd9Sstevel@tonic-gate *dev_name = strdup(cb_arg.dev_names[0]); 81677c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 81687c478bd9Sstevel@tonic-gate if (*dev_name == NULL) 81697c478bd9Sstevel@tonic-gate return (-1); 81707c478bd9Sstevel@tonic-gate } 81717c478bd9Sstevel@tonic-gate 81727c478bd9Sstevel@tonic-gate return (0); 81737c478bd9Sstevel@tonic-gate } 81747c478bd9Sstevel@tonic-gate 81757c478bd9Sstevel@tonic-gate static char * 81767c478bd9Sstevel@tonic-gate lookup_disk_dev_name(char *node_path) 81777c478bd9Sstevel@tonic-gate { 81787c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 81797c478bd9Sstevel@tonic-gate char *dev_name = NULL; 81807c478bd9Sstevel@tonic-gate int i; 81817c478bd9Sstevel@tonic-gate char *p; 81827c478bd9Sstevel@tonic-gate int len1, len2; 81837c478bd9Sstevel@tonic-gate 81847c478bd9Sstevel@tonic-gate #define DEV_RDSK "/dev/rdsk/" 81857c478bd9Sstevel@tonic-gate #define DISK_RAW_MINOR ",raw" 81867c478bd9Sstevel@tonic-gate 81877c478bd9Sstevel@tonic-gate cb_arg.count = 0; 81887c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 81897c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 81907c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 81917c478bd9Sstevel@tonic-gate 81927c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1 || cb_arg.count == 0) 81937c478bd9Sstevel@tonic-gate return (NULL); 81947c478bd9Sstevel@tonic-gate 81957c478bd9Sstevel@tonic-gate /* first try lookup based on /dev/rdsk name */ 81967c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 81977c478bd9Sstevel@tonic-gate if (strncmp(cb_arg.dev_names[i], DEV_RDSK, 81987c478bd9Sstevel@tonic-gate sizeof (DEV_RDSK) - 1) == 0) { 81997c478bd9Sstevel@tonic-gate dev_name = strdup(cb_arg.dev_names[i]); 82007c478bd9Sstevel@tonic-gate break; 82017c478bd9Sstevel@tonic-gate } 82027c478bd9Sstevel@tonic-gate } 82037c478bd9Sstevel@tonic-gate 82047c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 82057c478bd9Sstevel@tonic-gate /* now try lookup based on a minor name ending with ",raw" */ 82067c478bd9Sstevel@tonic-gate len1 = sizeof (DISK_RAW_MINOR) - 1; 82077c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 82087c478bd9Sstevel@tonic-gate len2 = strlen(cb_arg.link_contents[i]); 82097c478bd9Sstevel@tonic-gate if (len2 >= len1 && 82107c478bd9Sstevel@tonic-gate strcmp(cb_arg.link_contents[i] + len2 - len1, 82117c478bd9Sstevel@tonic-gate DISK_RAW_MINOR) == 0) { 82127c478bd9Sstevel@tonic-gate dev_name = strdup(cb_arg.dev_names[i]); 82137c478bd9Sstevel@tonic-gate break; 82147c478bd9Sstevel@tonic-gate } 82157c478bd9Sstevel@tonic-gate } 82167c478bd9Sstevel@tonic-gate } 82177c478bd9Sstevel@tonic-gate 82187c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 82197c478bd9Sstevel@tonic-gate 82207c478bd9Sstevel@tonic-gate if (strlen(dev_name) == 0) { 82217c478bd9Sstevel@tonic-gate free(dev_name); 82227c478bd9Sstevel@tonic-gate return (NULL); 82237c478bd9Sstevel@tonic-gate } 82247c478bd9Sstevel@tonic-gate 82257c478bd9Sstevel@tonic-gate /* if the name contains slice or partition number strip it */ 82267c478bd9Sstevel@tonic-gate p = dev_name + strlen(dev_name) - 1; 82277c478bd9Sstevel@tonic-gate if (isdigit(*p)) { 82287c478bd9Sstevel@tonic-gate while (p != dev_name && isdigit(*p)) 82297c478bd9Sstevel@tonic-gate p--; 82307c478bd9Sstevel@tonic-gate if (*p == 's' || *p == 'p') 82317c478bd9Sstevel@tonic-gate *p = '\0'; 82327c478bd9Sstevel@tonic-gate } 82337c478bd9Sstevel@tonic-gate 82347c478bd9Sstevel@tonic-gate return (dev_name); 82357c478bd9Sstevel@tonic-gate } 82367c478bd9Sstevel@tonic-gate 82377c478bd9Sstevel@tonic-gate static char * 82387c478bd9Sstevel@tonic-gate lookup_network_dev_name(char *node_path, char *driver_name) 82397c478bd9Sstevel@tonic-gate { 82407c478bd9Sstevel@tonic-gate char *dev_name = NULL; 82417c478bd9Sstevel@tonic-gate char phys_path[MAXPATHLEN]; 82427c478bd9Sstevel@tonic-gate 82437c478bd9Sstevel@tonic-gate if (lookup_dev_name(node_path, &dev_name) == -1) 82447c478bd9Sstevel@tonic-gate return (NULL); 82457c478bd9Sstevel@tonic-gate 82467c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 82477c478bd9Sstevel@tonic-gate /* dlpi style-2 only interface */ 82487c478bd9Sstevel@tonic-gate (void) snprintf(phys_path, sizeof (phys_path), 82497c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", driver_name); 82507c478bd9Sstevel@tonic-gate if (lookup_dev_name(phys_path, &dev_name) == -1 || 82517c478bd9Sstevel@tonic-gate dev_name == NULL) 82527c478bd9Sstevel@tonic-gate return (NULL); 82537c478bd9Sstevel@tonic-gate } 82547c478bd9Sstevel@tonic-gate 82557c478bd9Sstevel@tonic-gate return (dev_name); 82567c478bd9Sstevel@tonic-gate } 82577c478bd9Sstevel@tonic-gate 82587c478bd9Sstevel@tonic-gate /* 82597c478bd9Sstevel@tonic-gate * Build an nvlist containing all attributes for devfs events. 82607c478bd9Sstevel@tonic-gate * Returns nvlist pointer on success, NULL on failure. 82617c478bd9Sstevel@tonic-gate */ 82627c478bd9Sstevel@tonic-gate static nvlist_t * 82637c478bd9Sstevel@tonic-gate build_event_attributes(char *class, char *subclass, char *node_path, 82647c478bd9Sstevel@tonic-gate di_node_t node, char *driver_name, int instance) 82657c478bd9Sstevel@tonic-gate { 82667c478bd9Sstevel@tonic-gate nvlist_t *nvl; 82677c478bd9Sstevel@tonic-gate int err = 0; 82687c478bd9Sstevel@tonic-gate di_prop_t prop; 82697c478bd9Sstevel@tonic-gate int count; 82707c478bd9Sstevel@tonic-gate char *prop_name; 82717c478bd9Sstevel@tonic-gate int x; 82727c478bd9Sstevel@tonic-gate char *dev_name = NULL; 82737c478bd9Sstevel@tonic-gate int dev_name_lookup_err = 0; 82747c478bd9Sstevel@tonic-gate 82757c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, NV_UNIQUE_NAME_TYPE, 0)) != 0) { 82767c478bd9Sstevel@tonic-gate nvl = NULL; 82777c478bd9Sstevel@tonic-gate goto out; 82787c478bd9Sstevel@tonic-gate } 82797c478bd9Sstevel@tonic-gate 82807c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, EV_VERSION, EV_V1)) != 0) 82817c478bd9Sstevel@tonic-gate goto out; 82827c478bd9Sstevel@tonic-gate 82837c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_PHYS_PATH, node_path)) != 0) 82847c478bd9Sstevel@tonic-gate goto out; 82857c478bd9Sstevel@tonic-gate 82867c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) != 0 && 82877c478bd9Sstevel@tonic-gate strcmp(class, EC_DEV_REMOVE) != 0) 82887c478bd9Sstevel@tonic-gate return (nvl); 82897c478bd9Sstevel@tonic-gate 82907c478bd9Sstevel@tonic-gate if (driver_name == NULL || instance == -1) 82917c478bd9Sstevel@tonic-gate goto out; 82927c478bd9Sstevel@tonic-gate 82937c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DISK) == 0) { 82947c478bd9Sstevel@tonic-gate if ((dev_name = lookup_disk_dev_name(node_path)) == NULL) { 82957c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 82967c478bd9Sstevel@tonic-gate goto out; 82977c478bd9Sstevel@tonic-gate } 82987c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_NETWORK) == 0) { 82997c478bd9Sstevel@tonic-gate if ((dev_name = lookup_network_dev_name(node_path, driver_name)) 83007c478bd9Sstevel@tonic-gate == NULL) { 83017c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 83027c478bd9Sstevel@tonic-gate goto out; 83037c478bd9Sstevel@tonic-gate } 83047c478bd9Sstevel@tonic-gate } 83057c478bd9Sstevel@tonic-gate 83067c478bd9Sstevel@tonic-gate if (dev_name) { 83077c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_NAME, dev_name)) != 0) 83087c478bd9Sstevel@tonic-gate goto out; 83097c478bd9Sstevel@tonic-gate free(dev_name); 83107c478bd9Sstevel@tonic-gate dev_name = NULL; 83117c478bd9Sstevel@tonic-gate } 83127c478bd9Sstevel@tonic-gate 83137c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_DRIVER_NAME, driver_name)) != 0) 83147c478bd9Sstevel@tonic-gate goto out; 83157c478bd9Sstevel@tonic-gate 83167c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, DEV_INSTANCE, instance)) != 0) 83177c478bd9Sstevel@tonic-gate goto out; 83187c478bd9Sstevel@tonic-gate 83197c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) == 0) { 83207c478bd9Sstevel@tonic-gate /* add properties */ 83217c478bd9Sstevel@tonic-gate count = 0; 83227c478bd9Sstevel@tonic-gate for (prop = di_prop_next(node, DI_PROP_NIL); 83237c478bd9Sstevel@tonic-gate prop != DI_PROP_NIL && count < MAX_PROP_COUNT; 83247c478bd9Sstevel@tonic-gate prop = di_prop_next(node, prop)) { 83257c478bd9Sstevel@tonic-gate 83267c478bd9Sstevel@tonic-gate if (di_prop_devt(prop) != DDI_DEV_T_NONE) 83277c478bd9Sstevel@tonic-gate continue; 83287c478bd9Sstevel@tonic-gate 83297c478bd9Sstevel@tonic-gate if ((x = add_property(nvl, prop)) == 0) 83307c478bd9Sstevel@tonic-gate count++; 83317c478bd9Sstevel@tonic-gate else if (x == -1) { 83327c478bd9Sstevel@tonic-gate if ((prop_name = di_prop_name(prop)) == NULL) 83337c478bd9Sstevel@tonic-gate prop_name = ""; 83347c478bd9Sstevel@tonic-gate err_print(PROP_ADD_FAILED, prop_name); 83357c478bd9Sstevel@tonic-gate goto out; 83367c478bd9Sstevel@tonic-gate } 83377c478bd9Sstevel@tonic-gate } 83387c478bd9Sstevel@tonic-gate } 83397c478bd9Sstevel@tonic-gate 83407c478bd9Sstevel@tonic-gate return (nvl); 83417c478bd9Sstevel@tonic-gate 83427c478bd9Sstevel@tonic-gate out: 83437c478bd9Sstevel@tonic-gate if (nvl) 83447c478bd9Sstevel@tonic-gate nvlist_free(nvl); 83457c478bd9Sstevel@tonic-gate 83467c478bd9Sstevel@tonic-gate if (dev_name) 83477c478bd9Sstevel@tonic-gate free(dev_name); 83487c478bd9Sstevel@tonic-gate 83497c478bd9Sstevel@tonic-gate if (dev_name_lookup_err) 83507c478bd9Sstevel@tonic-gate err_print(DEV_NAME_LOOKUP_FAILED, node_path); 83517c478bd9Sstevel@tonic-gate else 83527c478bd9Sstevel@tonic-gate err_print(BUILD_EVENT_ATTR_FAILED, (err) ? strerror(err) : ""); 83537c478bd9Sstevel@tonic-gate return (NULL); 83547c478bd9Sstevel@tonic-gate } 83557c478bd9Sstevel@tonic-gate 83567c478bd9Sstevel@tonic-gate static void 83577c478bd9Sstevel@tonic-gate log_event(char *class, char *subclass, nvlist_t *nvl) 83587c478bd9Sstevel@tonic-gate { 83597c478bd9Sstevel@tonic-gate sysevent_id_t eid; 83607c478bd9Sstevel@tonic-gate 83617c478bd9Sstevel@tonic-gate if (sysevent_post_event(class, subclass, "SUNW", DEVFSADMD, 83627c478bd9Sstevel@tonic-gate nvl, &eid) != 0) { 83637c478bd9Sstevel@tonic-gate err_print(LOG_EVENT_FAILED, strerror(errno)); 83647c478bd9Sstevel@tonic-gate } 83657c478bd9Sstevel@tonic-gate } 83667c478bd9Sstevel@tonic-gate 83677c478bd9Sstevel@tonic-gate static void 83687c478bd9Sstevel@tonic-gate build_and_log_event(char *class, char *subclass, char *node_path, 83697c478bd9Sstevel@tonic-gate di_node_t node) 83707c478bd9Sstevel@tonic-gate { 83717c478bd9Sstevel@tonic-gate nvlist_t *nvl; 83727c478bd9Sstevel@tonic-gate 83737c478bd9Sstevel@tonic-gate if (node != DI_NODE_NIL) 83747c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 83757c478bd9Sstevel@tonic-gate di_driver_name(node), di_instance(node)); 83767c478bd9Sstevel@tonic-gate else 83777c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 83787c478bd9Sstevel@tonic-gate NULL, -1); 83797c478bd9Sstevel@tonic-gate 83807c478bd9Sstevel@tonic-gate if (nvl) { 83817c478bd9Sstevel@tonic-gate log_event(class, subclass, nvl); 83827c478bd9Sstevel@tonic-gate nvlist_free(nvl); 83837c478bd9Sstevel@tonic-gate } 83847c478bd9Sstevel@tonic-gate } 8385