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 /* 23*ff2aee48Scth * Copyright 2007 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 3945916cd2Sjpk #include <string.h> 4045916cd2Sjpk #include <tsol/label.h> 4145916cd2Sjpk #include <bsm/devices.h> 4245916cd2Sjpk #include <bsm/devalloc.h> 437c478bd9Sstevel@tonic-gate #include <utime.h> 4445916cd2Sjpk #include "devfsadm_impl.h" 457c478bd9Sstevel@tonic-gate 4645916cd2Sjpk /* externs from devalloc.c */ 4745916cd2Sjpk extern void _reset_devalloc(int); 4845916cd2Sjpk extern void _update_devalloc_db(devlist_t *, int, int, char *, char *); 4945916cd2Sjpk extern int _da_check_for_usb(char *, char *); 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate /* create or remove nodes or links. unset with -n */ 527c478bd9Sstevel@tonic-gate static int file_mods = TRUE; 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate /* cleanup mode. Set with -C */ 557c478bd9Sstevel@tonic-gate static int cleanup = FALSE; 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate /* devlinks -d compatibility */ 587c478bd9Sstevel@tonic-gate static int devlinks_debug = FALSE; 597c478bd9Sstevel@tonic-gate 6045916cd2Sjpk /* flag to check if system is labeled */ 6145916cd2Sjpk int system_labeled = FALSE; 6245916cd2Sjpk 6345916cd2Sjpk /* flag to enable/disable device allocation with -e/-d */ 6445916cd2Sjpk static int devalloc_flag = 0; 6545916cd2Sjpk 6645916cd2Sjpk /* flag to update device allocation database for this device type */ 6745916cd2Sjpk static int update_devdb = 0; 6845916cd2Sjpk 6945916cd2Sjpk /* 7045916cd2Sjpk * devices to be deallocated with -d : 7145916cd2Sjpk * audio, floppy, cd, floppy, tape, rmdisk. 7245916cd2Sjpk */ 7345916cd2Sjpk static char *devalloc_list[10] = {DDI_NT_AUDIO, DDI_NT_CD, DDI_NT_CD_CHAN, 7445916cd2Sjpk DDI_NT_FD, DDI_NT_TAPE, DDI_NT_BLOCK_CHAN, 7545916cd2Sjpk DDI_NT_UGEN, DDI_NT_USB_ATTACHMENT_POINT, 7645916cd2Sjpk DDI_NT_SCSI_NEXUS, NULL}; 777c478bd9Sstevel@tonic-gate 7845916cd2Sjpk /* list of allocatable devices */ 7945916cd2Sjpk static devlist_t devlist; 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate /* load a single driver only. set with -i */ 827c478bd9Sstevel@tonic-gate static int single_drv = FALSE; 837c478bd9Sstevel@tonic-gate static char *driver = NULL; 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate /* attempt to load drivers or defer attach nodes */ 867c478bd9Sstevel@tonic-gate static int load_attach_drv = TRUE; 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate /* set if invoked via /usr/lib/devfsadm/devfsadmd */ 897c478bd9Sstevel@tonic-gate static int daemon_mode = FALSE; 907c478bd9Sstevel@tonic-gate 917c478bd9Sstevel@tonic-gate /* output directed to syslog during daemon mode if set */ 927c478bd9Sstevel@tonic-gate static int logflag = FALSE; 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate /* build links in /dev. -x to turn off */ 957c478bd9Sstevel@tonic-gate static int build_dev = TRUE; 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate /* build nodes in /devices. -y to turn off */ 987c478bd9Sstevel@tonic-gate static int build_devices = TRUE; 997c478bd9Sstevel@tonic-gate 1007c478bd9Sstevel@tonic-gate /* -z to turn off */ 1017c478bd9Sstevel@tonic-gate static int flush_path_to_inst_enable = TRUE; 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate /* variables used for path_to_inst flushing */ 1047c478bd9Sstevel@tonic-gate static int inst_count = 0; 1057c478bd9Sstevel@tonic-gate static mutex_t count_lock; 1067c478bd9Sstevel@tonic-gate static cond_t cv; 1077c478bd9Sstevel@tonic-gate 108*ff2aee48Scth /* variables for minor_fini thread */ 1097c478bd9Sstevel@tonic-gate static mutex_t minor_fini_mutex; 110*ff2aee48Scth static int minor_fini_canceled = TRUE; 111*ff2aee48Scth static int minor_fini_delayed = FALSE; 112*ff2aee48Scth static cond_t minor_fini_cv; 113*ff2aee48Scth static int minor_fini_timeout = MINOR_FINI_TIMEOUT_DEFAULT; 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 145facf4a8dSllai /* /etc/dev or <rootdir>/etc/dev */ 146facf4a8dSllai static char *etc_dev_dir = ETCDEV; 147facf4a8dSllai 148facf4a8dSllai /* 149facf4a8dSllai * writable root (for lock files and doors during install). 150facf4a8dSllai * This is also root dir for /dev attr dir during install. 151facf4a8dSllai */ 152facf4a8dSllai static char *attr_root = NULL; 1537c478bd9Sstevel@tonic-gate 1547c478bd9Sstevel@tonic-gate /* /etc/path_to_inst unless -p used */ 1557c478bd9Sstevel@tonic-gate static char *inst_file = INSTANCE_FILE; 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate /* /usr/lib/devfsadm/linkmods unless -l used */ 1587c478bd9Sstevel@tonic-gate static char *module_dirs = MODULE_DIRS; 1597c478bd9Sstevel@tonic-gate 1607c478bd9Sstevel@tonic-gate /* default uid/gid used if /etc/minor_perm entry not found */ 1617c478bd9Sstevel@tonic-gate static uid_t root_uid; 1627c478bd9Sstevel@tonic-gate static gid_t sys_gid; 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate /* /etc/devlink.tab unless devlinks -t used */ 1657c478bd9Sstevel@tonic-gate static char *devlinktab_file = NULL; 1667c478bd9Sstevel@tonic-gate 1677c478bd9Sstevel@tonic-gate /* set if /dev link is new. speeds up rm_stale_links */ 1687c478bd9Sstevel@tonic-gate static int linknew = TRUE; 1697c478bd9Sstevel@tonic-gate 1707c478bd9Sstevel@tonic-gate /* variables for devlink.tab compat processing */ 1717c478bd9Sstevel@tonic-gate static devlinktab_list_t *devlinktab_list = NULL; 1727c478bd9Sstevel@tonic-gate static unsigned int devlinktab_line = 0; 1737c478bd9Sstevel@tonic-gate 1747c478bd9Sstevel@tonic-gate /* cache head for devfsadm_enumerate*() functions */ 1757c478bd9Sstevel@tonic-gate static numeral_set_t *head_numeral_set = NULL; 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate /* list list of devfsadm modules */ 1787c478bd9Sstevel@tonic-gate static module_t *module_head = NULL; 1797c478bd9Sstevel@tonic-gate 1807c478bd9Sstevel@tonic-gate /* name_to_major list used in utility function */ 1817c478bd9Sstevel@tonic-gate static n2m_t *n2m_list = NULL; 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate /* cache of some links used for performance */ 1847c478bd9Sstevel@tonic-gate static linkhead_t *headlinkhead = NULL; 1857c478bd9Sstevel@tonic-gate 1867c478bd9Sstevel@tonic-gate /* locking variables to prevent multiples writes to /dev */ 1877c478bd9Sstevel@tonic-gate static int hold_dev_lock = FALSE; 1887c478bd9Sstevel@tonic-gate static int hold_daemon_lock = FALSE; 1897c478bd9Sstevel@tonic-gate static int dev_lock_fd; 1907c478bd9Sstevel@tonic-gate static int daemon_lock_fd; 1917c478bd9Sstevel@tonic-gate static char dev_lockfile[PATH_MAX + 1]; 1927c478bd9Sstevel@tonic-gate static char daemon_lockfile[PATH_MAX + 1]; 1937c478bd9Sstevel@tonic-gate 1947c478bd9Sstevel@tonic-gate /* last devinfo node/minor processed. used for performance */ 1957c478bd9Sstevel@tonic-gate static di_node_t lnode; 1967c478bd9Sstevel@tonic-gate static di_minor_t lminor; 1977c478bd9Sstevel@tonic-gate static char lphy_path[PATH_MAX + 1] = {""}; 1987c478bd9Sstevel@tonic-gate 1997c478bd9Sstevel@tonic-gate /* Globals used by the link database */ 2007c478bd9Sstevel@tonic-gate static di_devlink_handle_t devlink_cache; 2017c478bd9Sstevel@tonic-gate static int update_database = FALSE; 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate /* Globals used to set logindev perms */ 2047c478bd9Sstevel@tonic-gate static struct login_dev *login_dev_cache = NULL; 2057c478bd9Sstevel@tonic-gate static int login_dev_enable = FALSE; 2067c478bd9Sstevel@tonic-gate 2077c478bd9Sstevel@tonic-gate /* Global to use devinfo snapshot cache */ 2087c478bd9Sstevel@tonic-gate static int use_snapshot_cache = FALSE; 2097c478bd9Sstevel@tonic-gate 210aa646b9dSvikram /* Global for no-further-processing hash */ 211aa646b9dSvikram static item_t **nfp_hash; 212aa646b9dSvikram static mutex_t nfp_mutex = DEFAULTMUTEX; 213aa646b9dSvikram 2147c478bd9Sstevel@tonic-gate /* 2157c478bd9Sstevel@tonic-gate * Packaged directories - not removed even when empty. 2167c478bd9Sstevel@tonic-gate * The dirs must be listed in canonical form 2177c478bd9Sstevel@tonic-gate * i.e. without leading "/dev/" 2187c478bd9Sstevel@tonic-gate */ 2197c478bd9Sstevel@tonic-gate static char *packaged_dirs[] = 2207c478bd9Sstevel@tonic-gate {"dsk", "rdsk", "term", NULL}; 2217c478bd9Sstevel@tonic-gate 2227c478bd9Sstevel@tonic-gate /* RCM related globals */ 2237c478bd9Sstevel@tonic-gate static void *librcm_hdl; 2247c478bd9Sstevel@tonic-gate static rcm_handle_t *rcm_hdl = NULL; 2257c478bd9Sstevel@tonic-gate static thread_t process_rcm_events_tid; 2267c478bd9Sstevel@tonic-gate static struct rcm_eventq *volatile rcm_eventq_head = NULL; 2277c478bd9Sstevel@tonic-gate static struct rcm_eventq *rcm_eventq_tail = NULL; 2287c478bd9Sstevel@tonic-gate static mutex_t rcm_eventq_lock; 2297c478bd9Sstevel@tonic-gate static cond_t rcm_eventq_cv; 2307c478bd9Sstevel@tonic-gate static volatile int need_to_exit_rcm_event_thread = 0; 2317c478bd9Sstevel@tonic-gate 232facf4a8dSllai /* Devname globals */ 233facf4a8dSllai static int devname_debug_msg = 1; 234facf4a8dSllai static nvlist_t *devname_maps = NULL; 235facf4a8dSllai static int devname_first_call = 1; 236facf4a8dSllai static int load_devname_nsmaps = FALSE; 237facf4a8dSllai static int lookup_door_fd = -1; 238facf4a8dSllai static char *lookup_door_path; 239facf4a8dSllai 2407c478bd9Sstevel@tonic-gate static void load_dev_acl(void); 2417c478bd9Sstevel@tonic-gate static void update_drvconf(major_t); 242facf4a8dSllai static void check_reconfig_state(void); 243facf4a8dSllai static void devname_setup_nsmaps(void); 244facf4a8dSllai static int s_stat(const char *, struct stat *); 2457c478bd9Sstevel@tonic-gate 2461ca93273Seota static int is_blank(char *); 2471ca93273Seota 2487c478bd9Sstevel@tonic-gate int 2497c478bd9Sstevel@tonic-gate main(int argc, char *argv[]) 2507c478bd9Sstevel@tonic-gate { 25145916cd2Sjpk struct stat tx_stat; 2527c478bd9Sstevel@tonic-gate struct passwd *pw; 2537c478bd9Sstevel@tonic-gate struct group *gp; 2547c478bd9Sstevel@tonic-gate pid_t pid; 2557c478bd9Sstevel@tonic-gate 2567c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 2577c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate if ((prog = strrchr(argv[0], '/')) == NULL) { 2607c478bd9Sstevel@tonic-gate prog = argv[0]; 2617c478bd9Sstevel@tonic-gate } else { 2627c478bd9Sstevel@tonic-gate prog++; 2637c478bd9Sstevel@tonic-gate } 2647c478bd9Sstevel@tonic-gate 2657c478bd9Sstevel@tonic-gate if (getuid() != 0) { 2667c478bd9Sstevel@tonic-gate err_print(MUST_BE_ROOT); 2677c478bd9Sstevel@tonic-gate devfsadm_exit(1); 2687c478bd9Sstevel@tonic-gate } 2697c478bd9Sstevel@tonic-gate 2707c478bd9Sstevel@tonic-gate /* 2717c478bd9Sstevel@tonic-gate * Close all files except stdin/stdout/stderr 2727c478bd9Sstevel@tonic-gate */ 2737c478bd9Sstevel@tonic-gate closefrom(3); 2747c478bd9Sstevel@tonic-gate 2757c478bd9Sstevel@tonic-gate if ((pw = getpwnam(DEFAULT_DEV_USER)) != NULL) { 2767c478bd9Sstevel@tonic-gate root_uid = pw->pw_uid; 2777c478bd9Sstevel@tonic-gate } else { 2787c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 2797c478bd9Sstevel@tonic-gate root_uid = (uid_t)0; /* assume 0 is root */ 2807c478bd9Sstevel@tonic-gate } 2817c478bd9Sstevel@tonic-gate 2827c478bd9Sstevel@tonic-gate /* the default group is sys */ 2837c478bd9Sstevel@tonic-gate 2847c478bd9Sstevel@tonic-gate if ((gp = getgrnam(DEFAULT_DEV_GROUP)) != NULL) { 2857c478bd9Sstevel@tonic-gate sys_gid = gp->gr_gid; 2867c478bd9Sstevel@tonic-gate } else { 2877c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 2887c478bd9Sstevel@tonic-gate sys_gid = (gid_t)3; /* assume 3 is sys */ 2897c478bd9Sstevel@tonic-gate } 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate (void) umask(0); 2927c478bd9Sstevel@tonic-gate 29345916cd2Sjpk system_labeled = is_system_labeled(); 29445916cd2Sjpk if (system_labeled == FALSE) { 29545916cd2Sjpk /* 29645916cd2Sjpk * is_system_labeled() will return false in case we are 29745916cd2Sjpk * starting before the first reboot after Trusted Extensions 29845916cd2Sjpk * is installed. we check for a well known TX binary to 29945916cd2Sjpk * to see if TX is installed. 30045916cd2Sjpk */ 30145916cd2Sjpk if (stat(DA_LABEL_CHECK, &tx_stat) == 0) 30245916cd2Sjpk system_labeled = TRUE; 303facf4a8dSllai else { 304facf4a8dSllai /* test hook: see also mkdevalloc.c and allocate.c */ 305facf4a8dSllai system_labeled = is_system_labeled_debug(&tx_stat); 306facf4a8dSllai } 30745916cd2Sjpk } 30845916cd2Sjpk 3097c478bd9Sstevel@tonic-gate parse_args(argc, argv); 3107c478bd9Sstevel@tonic-gate 3117c478bd9Sstevel@tonic-gate (void) sema_init(&dev_sema, 1, USYNC_THREAD, NULL); 3127c478bd9Sstevel@tonic-gate 31345916cd2Sjpk /* Initialize device allocation list */ 31445916cd2Sjpk devlist.audio = devlist.cd = devlist.floppy = devlist.tape = 31545916cd2Sjpk devlist.rmdisk = NULL; 31645916cd2Sjpk 3177c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) { 3187c478bd9Sstevel@tonic-gate /* 3197c478bd9Sstevel@tonic-gate * Build /dev and /devices before daemonizing if 3207c478bd9Sstevel@tonic-gate * reconfig booting and daemon invoked with alternate 3217c478bd9Sstevel@tonic-gate * root. This is to support install. 3227c478bd9Sstevel@tonic-gate */ 3237c478bd9Sstevel@tonic-gate if (getenv(RECONFIG_BOOT) != NULL && root_dir[0] != '\0') { 3247c478bd9Sstevel@tonic-gate vprint(INFO_MID, CONFIGURING); 3257c478bd9Sstevel@tonic-gate load_dev_acl(); 3267c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 3277c478bd9Sstevel@tonic-gate process_devinfo_tree(); 3287c478bd9Sstevel@tonic-gate (void) modctl(MODSETMINIROOT); 3297c478bd9Sstevel@tonic-gate } 3307c478bd9Sstevel@tonic-gate 3317c478bd9Sstevel@tonic-gate /* 3327c478bd9Sstevel@tonic-gate * fork before detaching from tty in order to print error 3337c478bd9Sstevel@tonic-gate * message if unable to acquire file lock. locks not preserved 3347c478bd9Sstevel@tonic-gate * across forks. Even under debug we want to fork so that 3357c478bd9Sstevel@tonic-gate * when executed at boot we don't hang. 3367c478bd9Sstevel@tonic-gate */ 3377c478bd9Sstevel@tonic-gate if (fork() != 0) { 3387c478bd9Sstevel@tonic-gate devfsadm_exit(0); 3397c478bd9Sstevel@tonic-gate } 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate /* set directory to / so it coredumps there */ 3427c478bd9Sstevel@tonic-gate if (chdir("/") == -1) { 3437c478bd9Sstevel@tonic-gate err_print(CHROOT_FAILED, strerror(errno)); 3447c478bd9Sstevel@tonic-gate } 3457c478bd9Sstevel@tonic-gate 3467c478bd9Sstevel@tonic-gate /* only one daemon can run at a time */ 3477c478bd9Sstevel@tonic-gate if ((pid = enter_daemon_lock()) == getpid()) { 3487c478bd9Sstevel@tonic-gate detachfromtty(); 3497c478bd9Sstevel@tonic-gate (void) cond_init(&cv, USYNC_THREAD, 0); 3507c478bd9Sstevel@tonic-gate (void) mutex_init(&count_lock, USYNC_THREAD, 0); 3517c478bd9Sstevel@tonic-gate if (thr_create(NULL, NULL, 352*ff2aee48Scth (void *(*)(void *))instance_flush_thread, 353*ff2aee48Scth NULL, THR_DETACHED, NULL) != 0) { 3547c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "daemon", 3557c478bd9Sstevel@tonic-gate strerror(errno)); 3567c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3577c478bd9Sstevel@tonic-gate } 3587c478bd9Sstevel@tonic-gate 359*ff2aee48Scth /* start the minor_fini_thread */ 360*ff2aee48Scth (void) mutex_init(&minor_fini_mutex, USYNC_THREAD, 0); 361*ff2aee48Scth (void) cond_init(&minor_fini_cv, USYNC_THREAD, 0); 362*ff2aee48Scth if (thr_create(NULL, NULL, 363*ff2aee48Scth (void *(*)(void *))minor_fini_thread, 364*ff2aee48Scth NULL, THR_DETACHED, NULL)) { 365*ff2aee48Scth err_print(CANT_CREATE_THREAD, "minor_fini", 366*ff2aee48Scth strerror(errno)); 367*ff2aee48Scth devfsadm_exit(1); 368*ff2aee48Scth } 369*ff2aee48Scth 370*ff2aee48Scth 3717c478bd9Sstevel@tonic-gate /* 3727c478bd9Sstevel@tonic-gate * No need for rcm notifications when running 3737c478bd9Sstevel@tonic-gate * with an alternate root. So initialize rcm only 3747c478bd9Sstevel@tonic-gate * when devfsadm is running with root dir "/". 3757c478bd9Sstevel@tonic-gate * Similarly, logindevperms need only be set 3767c478bd9Sstevel@tonic-gate * in daemon mode and when root dir is "/". 3777c478bd9Sstevel@tonic-gate */ 3787c478bd9Sstevel@tonic-gate if (root_dir[0] == '\0') { 3797c478bd9Sstevel@tonic-gate (void) rcm_init(); 3807c478bd9Sstevel@tonic-gate login_dev_enable = TRUE; 3817c478bd9Sstevel@tonic-gate } 3827c478bd9Sstevel@tonic-gate daemon_update(); 3837c478bd9Sstevel@tonic-gate } else { 3847c478bd9Sstevel@tonic-gate err_print(DAEMON_RUNNING, pid); 3857c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3867c478bd9Sstevel@tonic-gate } 3877c478bd9Sstevel@tonic-gate exit_daemon_lock(); 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate } else { 3907c478bd9Sstevel@tonic-gate /* not a daemon, so just build /dev and /devices */ 3917c478bd9Sstevel@tonic-gate process_devinfo_tree(); 39245916cd2Sjpk if (devalloc_flag != 0) 39345916cd2Sjpk /* Enable/disable device allocation */ 39445916cd2Sjpk _reset_devalloc(devalloc_flag); 3957c478bd9Sstevel@tonic-gate } 3967c478bd9Sstevel@tonic-gate return (0); 3977c478bd9Sstevel@tonic-gate } 3987c478bd9Sstevel@tonic-gate 3997c478bd9Sstevel@tonic-gate static void 4007c478bd9Sstevel@tonic-gate update_drvconf(major_t major) 4017c478bd9Sstevel@tonic-gate { 4027c478bd9Sstevel@tonic-gate if (modctl(MODLOADDRVCONF, major) != 0) 4037c478bd9Sstevel@tonic-gate err_print(gettext("update_drvconf failed for major %d\n"), 4047c478bd9Sstevel@tonic-gate major); 4057c478bd9Sstevel@tonic-gate } 4067c478bd9Sstevel@tonic-gate 407aa646b9dSvikram 4087c478bd9Sstevel@tonic-gate static void 4097c478bd9Sstevel@tonic-gate load_dev_acl() 4107c478bd9Sstevel@tonic-gate { 4117c478bd9Sstevel@tonic-gate if (load_devpolicy() != 0) 4127c478bd9Sstevel@tonic-gate err_print(gettext("device policy load failed\n")); 4137c478bd9Sstevel@tonic-gate load_minor_perm_file(); 4147c478bd9Sstevel@tonic-gate } 4157c478bd9Sstevel@tonic-gate 4167c478bd9Sstevel@tonic-gate /* 417facf4a8dSllai * As devfsadm is run early in boot to provide the kernel with 418facf4a8dSllai * minor_perm info, we might as well check for reconfig at the 419facf4a8dSllai * same time to avoid running devfsadm twice. This gets invoked 420facf4a8dSllai * earlier than the env variable RECONFIG_BOOT is set up. 4217c478bd9Sstevel@tonic-gate */ 422facf4a8dSllai static void 423facf4a8dSllai check_reconfig_state() 4247c478bd9Sstevel@tonic-gate { 425facf4a8dSllai struct stat sb; 4267c478bd9Sstevel@tonic-gate 427facf4a8dSllai if (s_stat("/reconfigure", &sb) == 0) { 428facf4a8dSllai (void) modctl(MODDEVNAME, MODDEVNAME_RECONFIG, 0); 4297c478bd9Sstevel@tonic-gate } 430facf4a8dSllai } 4317c478bd9Sstevel@tonic-gate 432facf4a8dSllai static void 433facf4a8dSllai modctl_sysavail() 434facf4a8dSllai { 435facf4a8dSllai /* 436facf4a8dSllai * Inform /dev that system is available, that 437facf4a8dSllai * implicit reconfig can now be performed. 438facf4a8dSllai */ 439facf4a8dSllai (void) modctl(MODDEVNAME, MODDEVNAME_SYSAVAIL, 0); 440facf4a8dSllai } 4417c478bd9Sstevel@tonic-gate 442facf4a8dSllai static void 443facf4a8dSllai set_lock_root(void) 444facf4a8dSllai { 445facf4a8dSllai struct stat sb; 446facf4a8dSllai char *lock_root; 447facf4a8dSllai size_t len; 4487c478bd9Sstevel@tonic-gate 449facf4a8dSllai lock_root = attr_root ? attr_root : root_dir; 4507c478bd9Sstevel@tonic-gate 451facf4a8dSllai len = strlen(lock_root) + strlen(ETCDEV) + 1; 452facf4a8dSllai etc_dev_dir = s_malloc(len); 453facf4a8dSllai (void) snprintf(etc_dev_dir, len, "%s%s", lock_root, ETCDEV); 4547c478bd9Sstevel@tonic-gate 455facf4a8dSllai if (s_stat(etc_dev_dir, &sb) != 0) { 456facf4a8dSllai s_mkdirp(etc_dev_dir, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); 457facf4a8dSllai } else if (!S_ISDIR(sb.st_mode)) { 458facf4a8dSllai err_print(NOT_DIR, etc_dev_dir); 459facf4a8dSllai devfsadm_exit(1); 460facf4a8dSllai } 4617c478bd9Sstevel@tonic-gate } 4627c478bd9Sstevel@tonic-gate 463facf4a8dSllai 4647c478bd9Sstevel@tonic-gate /* 4657c478bd9Sstevel@tonic-gate * Parse arguments for all 6 programs handled from devfsadm. 4667c478bd9Sstevel@tonic-gate */ 4677c478bd9Sstevel@tonic-gate static void 4687c478bd9Sstevel@tonic-gate parse_args(int argc, char *argv[]) 4697c478bd9Sstevel@tonic-gate { 4707c478bd9Sstevel@tonic-gate char opt; 4717c478bd9Sstevel@tonic-gate char get_linkcompat_opts = FALSE; 4727c478bd9Sstevel@tonic-gate char *compat_class; 4737c478bd9Sstevel@tonic-gate int num_aliases = 0; 4747c478bd9Sstevel@tonic-gate int len; 4757c478bd9Sstevel@tonic-gate int retval; 4767c478bd9Sstevel@tonic-gate int add_bind = FALSE; 4777c478bd9Sstevel@tonic-gate struct aliases *ap = NULL; 4787c478bd9Sstevel@tonic-gate struct aliases *a_head = NULL; 4797c478bd9Sstevel@tonic-gate struct aliases *a_tail = NULL; 4807c478bd9Sstevel@tonic-gate struct modconfig mc; 4817c478bd9Sstevel@tonic-gate 4827c478bd9Sstevel@tonic-gate if (strcmp(prog, DISKS) == 0) { 4837c478bd9Sstevel@tonic-gate compat_class = "disk"; 4847c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4857c478bd9Sstevel@tonic-gate 4867c478bd9Sstevel@tonic-gate } else if (strcmp(prog, TAPES) == 0) { 4877c478bd9Sstevel@tonic-gate compat_class = "tape"; 4887c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4897c478bd9Sstevel@tonic-gate 4907c478bd9Sstevel@tonic-gate } else if (strcmp(prog, PORTS) == 0) { 4917c478bd9Sstevel@tonic-gate compat_class = "port"; 4927c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4937c478bd9Sstevel@tonic-gate 4947c478bd9Sstevel@tonic-gate } else if (strcmp(prog, AUDLINKS) == 0) { 4957c478bd9Sstevel@tonic-gate compat_class = "audio"; 4967c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4977c478bd9Sstevel@tonic-gate 4987c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DEVLINKS) == 0) { 4997c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 5007c478bd9Sstevel@tonic-gate 5017c478bd9Sstevel@tonic-gate build_devices = FALSE; 5027c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 5037c478bd9Sstevel@tonic-gate 5047c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "dnr:st:vV:")) != EOF) { 5057c478bd9Sstevel@tonic-gate switch (opt) { 5067c478bd9Sstevel@tonic-gate case 'd': 5077c478bd9Sstevel@tonic-gate file_mods = FALSE; 5087c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 5097c478bd9Sstevel@tonic-gate devlinks_debug = TRUE; 5107c478bd9Sstevel@tonic-gate break; 5117c478bd9Sstevel@tonic-gate case 'n': 5127c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 5137c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 5147c478bd9Sstevel@tonic-gate break; 5157c478bd9Sstevel@tonic-gate case 'r': 516facf4a8dSllai set_root_devices_dev_dir(optarg); 5177c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 5187c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 5197c478bd9Sstevel@tonic-gate devfsadm_exit(1); 5207c478bd9Sstevel@tonic-gate break; 5217c478bd9Sstevel@tonic-gate case 's': 5227c478bd9Sstevel@tonic-gate /* 5237c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 5247c478bd9Sstevel@tonic-gate * useful with -v or -V 5257c478bd9Sstevel@tonic-gate */ 5267c478bd9Sstevel@tonic-gate file_mods = FALSE; 5277c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 5287c478bd9Sstevel@tonic-gate break; 5297c478bd9Sstevel@tonic-gate case 't': 5307c478bd9Sstevel@tonic-gate /* supply a non-default table file */ 5317c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 5327c478bd9Sstevel@tonic-gate break; 5337c478bd9Sstevel@tonic-gate case 'v': 5347c478bd9Sstevel@tonic-gate /* documented verbose flag */ 5357c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 5367c478bd9Sstevel@tonic-gate break; 5377c478bd9Sstevel@tonic-gate case 'V': 5387c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 5397c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 5407c478bd9Sstevel@tonic-gate break; 5417c478bd9Sstevel@tonic-gate default: 5427c478bd9Sstevel@tonic-gate usage(); 5437c478bd9Sstevel@tonic-gate break; 5447c478bd9Sstevel@tonic-gate } 5457c478bd9Sstevel@tonic-gate } 5467c478bd9Sstevel@tonic-gate 5477c478bd9Sstevel@tonic-gate if (optind < argc) { 5487c478bd9Sstevel@tonic-gate usage(); 5497c478bd9Sstevel@tonic-gate } 5507c478bd9Sstevel@tonic-gate 5517c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 5527c478bd9Sstevel@tonic-gate build_dev = FALSE; 5537c478bd9Sstevel@tonic-gate 5547c478bd9Sstevel@tonic-gate while ((opt = 5557c478bd9Sstevel@tonic-gate getopt(argc, argv, "a:bdc:i:m:np:R:r:svV:")) != EOF) { 5567c478bd9Sstevel@tonic-gate switch (opt) { 5577c478bd9Sstevel@tonic-gate case 'a': 5587c478bd9Sstevel@tonic-gate ap = calloc(sizeof (struct aliases), 1); 5597c478bd9Sstevel@tonic-gate ap->a_name = dequote(optarg); 5607c478bd9Sstevel@tonic-gate len = strlen(ap->a_name) + 1; 5617c478bd9Sstevel@tonic-gate if (len > MAXMODCONFNAME) { 5627c478bd9Sstevel@tonic-gate err_print(ALIAS_TOO_LONG, 5637c478bd9Sstevel@tonic-gate MAXMODCONFNAME, ap->a_name); 5647c478bd9Sstevel@tonic-gate devfsadm_exit(1); 5657c478bd9Sstevel@tonic-gate } 5667c478bd9Sstevel@tonic-gate ap->a_len = len; 5677c478bd9Sstevel@tonic-gate if (a_tail == NULL) { 5687c478bd9Sstevel@tonic-gate a_head = ap; 5697c478bd9Sstevel@tonic-gate } else { 5707c478bd9Sstevel@tonic-gate a_tail->a_next = ap; 5717c478bd9Sstevel@tonic-gate } 5727c478bd9Sstevel@tonic-gate a_tail = ap; 5737c478bd9Sstevel@tonic-gate num_aliases++; 5747c478bd9Sstevel@tonic-gate add_bind = TRUE; 5757c478bd9Sstevel@tonic-gate break; 5767c478bd9Sstevel@tonic-gate case 'b': 5777c478bd9Sstevel@tonic-gate add_bind = TRUE; 5787c478bd9Sstevel@tonic-gate break; 5797c478bd9Sstevel@tonic-gate case 'c': 5807c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvclass, optarg); 5817c478bd9Sstevel@tonic-gate break; 5827c478bd9Sstevel@tonic-gate case 'd': 5837c478bd9Sstevel@tonic-gate /* 5847c478bd9Sstevel@tonic-gate * need to keep for compatibility, but 5857c478bd9Sstevel@tonic-gate * do nothing. 5867c478bd9Sstevel@tonic-gate */ 5877c478bd9Sstevel@tonic-gate break; 5887c478bd9Sstevel@tonic-gate case 'i': 5897c478bd9Sstevel@tonic-gate single_drv = TRUE; 5907c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvname, optarg); 5917c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 5927c478bd9Sstevel@tonic-gate break; 5937c478bd9Sstevel@tonic-gate case 'm': 5947c478bd9Sstevel@tonic-gate mc.major = atoi(optarg); 5957c478bd9Sstevel@tonic-gate break; 5967c478bd9Sstevel@tonic-gate case 'n': 5977c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 5987c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 5997c478bd9Sstevel@tonic-gate break; 6007c478bd9Sstevel@tonic-gate case 'p': 6017c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 6027c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 6037c478bd9Sstevel@tonic-gate break; 6047c478bd9Sstevel@tonic-gate case 'R': 6057c478bd9Sstevel@tonic-gate /* 6067c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 6077c478bd9Sstevel@tonic-gate * device information on the installed root. 6087c478bd9Sstevel@tonic-gate */ 6097c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 6107c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 6117c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 6127c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 6137c478bd9Sstevel@tonic-gate break; 6147c478bd9Sstevel@tonic-gate case 'r': 6157c478bd9Sstevel@tonic-gate devices_dir = s_strdup(optarg); 6167c478bd9Sstevel@tonic-gate if (zone_pathcheck(devices_dir) != 6177c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 6187c478bd9Sstevel@tonic-gate devfsadm_exit(1); 6197c478bd9Sstevel@tonic-gate break; 6207c478bd9Sstevel@tonic-gate case 's': 6217c478bd9Sstevel@tonic-gate /* 6227c478bd9Sstevel@tonic-gate * suppress. don't create nodes 6237c478bd9Sstevel@tonic-gate * useful with -v or -V 6247c478bd9Sstevel@tonic-gate */ 6257c478bd9Sstevel@tonic-gate file_mods = FALSE; 6267c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 6277c478bd9Sstevel@tonic-gate break; 6287c478bd9Sstevel@tonic-gate case 'v': 6297c478bd9Sstevel@tonic-gate /* documented verbose flag */ 6307c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 6317c478bd9Sstevel@tonic-gate break; 6327c478bd9Sstevel@tonic-gate case 'V': 6337c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 6347c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 6357c478bd9Sstevel@tonic-gate break; 6367c478bd9Sstevel@tonic-gate default: 6377c478bd9Sstevel@tonic-gate usage(); 6387c478bd9Sstevel@tonic-gate } 6397c478bd9Sstevel@tonic-gate } 6407c478bd9Sstevel@tonic-gate 6417c478bd9Sstevel@tonic-gate if (optind < argc) { 6427c478bd9Sstevel@tonic-gate usage(); 6437c478bd9Sstevel@tonic-gate } 6447c478bd9Sstevel@tonic-gate 6457c478bd9Sstevel@tonic-gate if ((add_bind == TRUE) && (mc.major == -1 || 6467c478bd9Sstevel@tonic-gate mc.drvname[0] == NULL)) { 6477c478bd9Sstevel@tonic-gate err_print(MAJOR_AND_B_FLAG); 6487c478bd9Sstevel@tonic-gate devfsadm_exit(1); 6497c478bd9Sstevel@tonic-gate } 6507c478bd9Sstevel@tonic-gate if (add_bind == TRUE) { 6517c478bd9Sstevel@tonic-gate mc.num_aliases = num_aliases; 6527c478bd9Sstevel@tonic-gate mc.ap = a_head; 6537c478bd9Sstevel@tonic-gate retval = modctl(MODADDMAJBIND, NULL, (caddr_t)&mc); 6547c478bd9Sstevel@tonic-gate if (retval < 0) { 6557c478bd9Sstevel@tonic-gate err_print(MODCTL_ADDMAJBIND); 6567c478bd9Sstevel@tonic-gate } 6577c478bd9Sstevel@tonic-gate devfsadm_exit(retval); 6587c478bd9Sstevel@tonic-gate } 6597c478bd9Sstevel@tonic-gate 6607c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 6617c478bd9Sstevel@tonic-gate (strcmp(prog, DEVFSADMD) == 0)) { 6627c478bd9Sstevel@tonic-gate char *zonename = NULL; 6637c478bd9Sstevel@tonic-gate int init_drvconf = 0; 6647c478bd9Sstevel@tonic-gate int init_perm = 0; 6657c478bd9Sstevel@tonic-gate int public_mode = 0; 666facf4a8dSllai int init_sysavail = 0; 6677c478bd9Sstevel@tonic-gate 6687c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADMD) == 0) { 6697c478bd9Sstevel@tonic-gate daemon_mode = TRUE; 6707c478bd9Sstevel@tonic-gate } 6717c478bd9Sstevel@tonic-gate 6727c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 6737c478bd9Sstevel@tonic-gate 6747c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, 675facf4a8dSllai "a:Cc:deIi:l:mnp:PR:r:sSt:vV:x:")) != EOF) { 676facf4a8dSllai if (opt == 'I' || opt == 'P' || opt == 'S') { 6777c478bd9Sstevel@tonic-gate if (public_mode) 6787c478bd9Sstevel@tonic-gate usage(); 6797c478bd9Sstevel@tonic-gate } else { 680facf4a8dSllai if (init_perm || init_drvconf || init_sysavail) 6817c478bd9Sstevel@tonic-gate usage(); 6827c478bd9Sstevel@tonic-gate public_mode = 1; 6837c478bd9Sstevel@tonic-gate } 6847c478bd9Sstevel@tonic-gate switch (opt) { 685facf4a8dSllai case 'a': 686facf4a8dSllai attr_root = s_strdup(optarg); 687facf4a8dSllai break; 6887c478bd9Sstevel@tonic-gate case 'C': 6897c478bd9Sstevel@tonic-gate cleanup = TRUE; 6907c478bd9Sstevel@tonic-gate break; 6917c478bd9Sstevel@tonic-gate case 'c': 6927c478bd9Sstevel@tonic-gate num_classes++; 6937c478bd9Sstevel@tonic-gate classes = s_realloc(classes, num_classes * 6947c478bd9Sstevel@tonic-gate sizeof (char *)); 6957c478bd9Sstevel@tonic-gate classes[num_classes - 1] = optarg; 6967c478bd9Sstevel@tonic-gate break; 69745916cd2Sjpk case 'd': 6987c478bd9Sstevel@tonic-gate if (daemon_mode == FALSE) { 69945916cd2Sjpk /* 70045916cd2Sjpk * Device allocation to be disabled. 70145916cd2Sjpk */ 70245916cd2Sjpk devalloc_flag = DA_OFF; 70345916cd2Sjpk build_dev = FALSE; 70445916cd2Sjpk } 70545916cd2Sjpk break; 70645916cd2Sjpk case 'e': 70745916cd2Sjpk if (daemon_mode == FALSE) { 70845916cd2Sjpk /* 70945916cd2Sjpk * Device allocation to be enabled. 71045916cd2Sjpk */ 71145916cd2Sjpk devalloc_flag = DA_ON; 7127c478bd9Sstevel@tonic-gate build_dev = FALSE; 7137c478bd9Sstevel@tonic-gate } 7147c478bd9Sstevel@tonic-gate break; 7157c478bd9Sstevel@tonic-gate case 'I': /* update kernel driver.conf cache */ 7167c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 7177c478bd9Sstevel@tonic-gate usage(); 7187c478bd9Sstevel@tonic-gate init_drvconf = 1; 7197c478bd9Sstevel@tonic-gate break; 7207c478bd9Sstevel@tonic-gate case 'i': 7217c478bd9Sstevel@tonic-gate single_drv = TRUE; 7227c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 7237c478bd9Sstevel@tonic-gate break; 7247c478bd9Sstevel@tonic-gate case 'l': 7257c478bd9Sstevel@tonic-gate /* specify an alternate module load path */ 7267c478bd9Sstevel@tonic-gate module_dirs = s_strdup(optarg); 7277c478bd9Sstevel@tonic-gate break; 728facf4a8dSllai case 'm': 729facf4a8dSllai load_devname_nsmaps = TRUE; 730facf4a8dSllai break; 7317c478bd9Sstevel@tonic-gate case 'n': 7327c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 7337c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 7347c478bd9Sstevel@tonic-gate break; 7357c478bd9Sstevel@tonic-gate case 'p': 7367c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 7377c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 7387c478bd9Sstevel@tonic-gate break; 7397c478bd9Sstevel@tonic-gate case 'P': 7407c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 7417c478bd9Sstevel@tonic-gate usage(); 7427c478bd9Sstevel@tonic-gate /* load minor_perm and device_policy */ 7437c478bd9Sstevel@tonic-gate init_perm = 1; 7447c478bd9Sstevel@tonic-gate break; 7457c478bd9Sstevel@tonic-gate case 'R': 7467c478bd9Sstevel@tonic-gate /* 7477c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 7487c478bd9Sstevel@tonic-gate * device information on the installed root. 7497c478bd9Sstevel@tonic-gate */ 7507c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 7517c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 7527c478bd9Sstevel@tonic-gate break; 7537c478bd9Sstevel@tonic-gate case 'r': 754facf4a8dSllai set_root_devices_dev_dir(optarg); 7557c478bd9Sstevel@tonic-gate break; 7567c478bd9Sstevel@tonic-gate case 's': 7577c478bd9Sstevel@tonic-gate /* 7587c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 7597c478bd9Sstevel@tonic-gate * useful with -v or -V 7607c478bd9Sstevel@tonic-gate */ 7617c478bd9Sstevel@tonic-gate file_mods = FALSE; 7627c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 7637c478bd9Sstevel@tonic-gate break; 764facf4a8dSllai case 'S': 765facf4a8dSllai if (daemon_mode == TRUE) 766facf4a8dSllai usage(); 767facf4a8dSllai init_sysavail = 1; 768facf4a8dSllai break; 7697c478bd9Sstevel@tonic-gate case 't': 7707c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 7717c478bd9Sstevel@tonic-gate break; 7727c478bd9Sstevel@tonic-gate case 'v': 7737c478bd9Sstevel@tonic-gate /* documented verbose flag */ 7747c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 7757c478bd9Sstevel@tonic-gate break; 7767c478bd9Sstevel@tonic-gate case 'V': 7777c478bd9Sstevel@tonic-gate /* undocumented: specify verbose lvl */ 7787c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 7797c478bd9Sstevel@tonic-gate break; 7807c478bd9Sstevel@tonic-gate case 'x': 7817c478bd9Sstevel@tonic-gate /* 7827c478bd9Sstevel@tonic-gate * x is the "private switch" option. The 7837c478bd9Sstevel@tonic-gate * goal is to not suck up all the other 7847c478bd9Sstevel@tonic-gate * option letters. 7857c478bd9Sstevel@tonic-gate */ 7867c478bd9Sstevel@tonic-gate if (strcmp(optarg, "update_devlinksdb") == 0) { 7877c478bd9Sstevel@tonic-gate update_database = TRUE; 7887c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_dev") == 0) { 7897c478bd9Sstevel@tonic-gate /* don't build /dev */ 7907c478bd9Sstevel@tonic-gate build_dev = FALSE; 7917c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_devices") == 0) { 7927c478bd9Sstevel@tonic-gate /* don't build /devices */ 7937c478bd9Sstevel@tonic-gate build_devices = FALSE; 7947c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_p2i") == 0) { 7957c478bd9Sstevel@tonic-gate /* don't flush path_to_inst */ 7967c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 7977c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "use_dicache") == 0) { 7987c478bd9Sstevel@tonic-gate use_snapshot_cache = TRUE; 7997c478bd9Sstevel@tonic-gate } else { 8007c478bd9Sstevel@tonic-gate usage(); 8017c478bd9Sstevel@tonic-gate } 8027c478bd9Sstevel@tonic-gate break; 8037c478bd9Sstevel@tonic-gate default: 8047c478bd9Sstevel@tonic-gate usage(); 8057c478bd9Sstevel@tonic-gate break; 8067c478bd9Sstevel@tonic-gate } 8077c478bd9Sstevel@tonic-gate } 8087c478bd9Sstevel@tonic-gate if (optind < argc) { 8097c478bd9Sstevel@tonic-gate usage(); 8107c478bd9Sstevel@tonic-gate } 8117c478bd9Sstevel@tonic-gate 8127c478bd9Sstevel@tonic-gate /* 8137c478bd9Sstevel@tonic-gate * We're not in zone mode; Check to see if the rootpath 8147c478bd9Sstevel@tonic-gate * collides with any zonepaths. 8157c478bd9Sstevel@tonic-gate */ 8167c478bd9Sstevel@tonic-gate if (zonename == NULL) { 8177c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != DEVFSADM_SUCCESS) 8187c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8197c478bd9Sstevel@tonic-gate } 8207c478bd9Sstevel@tonic-gate 821facf4a8dSllai if (init_drvconf || init_perm || init_sysavail) { 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 */ 826facf4a8dSllai if (init_perm) { 827facf4a8dSllai check_reconfig_state(); 8287c478bd9Sstevel@tonic-gate load_dev_acl(); 829facf4a8dSllai } 8307c478bd9Sstevel@tonic-gate if (init_drvconf) 8317c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 832facf4a8dSllai if (init_sysavail) 833facf4a8dSllai modctl_sysavail(); 8347c478bd9Sstevel@tonic-gate devfsadm_exit(0); 8357c478bd9Sstevel@tonic-gate /* NOTREACHED */ 8367c478bd9Sstevel@tonic-gate } 837facf4a8dSllai 838facf4a8dSllai if (load_devname_nsmaps == TRUE) { 839facf4a8dSllai devname_setup_nsmaps(); 840facf4a8dSllai devfsadm_exit(0); 841facf4a8dSllai } 8427c478bd9Sstevel@tonic-gate } 8437c478bd9Sstevel@tonic-gate 8447c478bd9Sstevel@tonic-gate 8457c478bd9Sstevel@tonic-gate if (get_linkcompat_opts == TRUE) { 8467c478bd9Sstevel@tonic-gate 8477c478bd9Sstevel@tonic-gate build_devices = FALSE; 8487c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 8497c478bd9Sstevel@tonic-gate num_classes++; 8507c478bd9Sstevel@tonic-gate classes = s_realloc(classes, num_classes * 8517c478bd9Sstevel@tonic-gate sizeof (char *)); 8527c478bd9Sstevel@tonic-gate classes[num_classes - 1] = compat_class; 8537c478bd9Sstevel@tonic-gate 8547c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "Cnr:svV:")) != EOF) { 8557c478bd9Sstevel@tonic-gate switch (opt) { 8567c478bd9Sstevel@tonic-gate case 'C': 8577c478bd9Sstevel@tonic-gate cleanup = TRUE; 8587c478bd9Sstevel@tonic-gate break; 8597c478bd9Sstevel@tonic-gate case 'n': 8607c478bd9Sstevel@tonic-gate /* prevent driver loading or deferred attach */ 8617c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 8627c478bd9Sstevel@tonic-gate break; 8637c478bd9Sstevel@tonic-gate case 'r': 864facf4a8dSllai set_root_devices_dev_dir(optarg); 8657c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 8667c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 8677c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8687c478bd9Sstevel@tonic-gate break; 8697c478bd9Sstevel@tonic-gate case 's': 8707c478bd9Sstevel@tonic-gate /* suppress. don't create/remove links/nodes */ 8717c478bd9Sstevel@tonic-gate /* useful with -v or -V */ 8727c478bd9Sstevel@tonic-gate file_mods = FALSE; 8737c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 8747c478bd9Sstevel@tonic-gate break; 8757c478bd9Sstevel@tonic-gate case 'v': 8767c478bd9Sstevel@tonic-gate /* documented verbose flag */ 8777c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 8787c478bd9Sstevel@tonic-gate break; 8797c478bd9Sstevel@tonic-gate case 'V': 8807c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 8817c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 8827c478bd9Sstevel@tonic-gate break; 8837c478bd9Sstevel@tonic-gate default: 8847c478bd9Sstevel@tonic-gate usage(); 8857c478bd9Sstevel@tonic-gate } 8867c478bd9Sstevel@tonic-gate } 8877c478bd9Sstevel@tonic-gate if (optind < argc) { 8887c478bd9Sstevel@tonic-gate usage(); 8897c478bd9Sstevel@tonic-gate } 8907c478bd9Sstevel@tonic-gate } 891facf4a8dSllai set_lock_root(); 8927c478bd9Sstevel@tonic-gate } 8937c478bd9Sstevel@tonic-gate 8947c478bd9Sstevel@tonic-gate void 8957c478bd9Sstevel@tonic-gate usage(void) 8967c478bd9Sstevel@tonic-gate { 8977c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 8987c478bd9Sstevel@tonic-gate err_print(DEVLINKS_USAGE); 8997c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 9007c478bd9Sstevel@tonic-gate err_print(DRVCONFIG_USAGE); 9017c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 9027c478bd9Sstevel@tonic-gate (strcmp(prog, DEVFSADMD) == 0)) { 9037c478bd9Sstevel@tonic-gate err_print(DEVFSADM_USAGE); 9047c478bd9Sstevel@tonic-gate } else { 9057c478bd9Sstevel@tonic-gate err_print(COMPAT_LINK_USAGE); 9067c478bd9Sstevel@tonic-gate } 9077c478bd9Sstevel@tonic-gate 9087c478bd9Sstevel@tonic-gate devfsadm_exit(1); 9097c478bd9Sstevel@tonic-gate } 9107c478bd9Sstevel@tonic-gate 9117c478bd9Sstevel@tonic-gate static void 9127c478bd9Sstevel@tonic-gate devi_tree_walk(struct dca_impl *dcip, int flags, char *ev_subclass) 9137c478bd9Sstevel@tonic-gate { 9147c478bd9Sstevel@tonic-gate char *msg, *name; 9157c478bd9Sstevel@tonic-gate struct mlist mlist = {0}; 9167c478bd9Sstevel@tonic-gate di_node_t node; 9177c478bd9Sstevel@tonic-gate 9187c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "devi_tree_walk: root=%s, minor=%s, driver=%s," 9197c478bd9Sstevel@tonic-gate " error=%d, flags=%u\n", dcip->dci_root, 9207c478bd9Sstevel@tonic-gate dcip->dci_minor ? dcip->dci_minor : "<NULL>", 9217c478bd9Sstevel@tonic-gate dcip->dci_driver ? dcip->dci_driver : "<NULL>", dcip->dci_error, 9227c478bd9Sstevel@tonic-gate dcip->dci_flags); 9237c478bd9Sstevel@tonic-gate 9247c478bd9Sstevel@tonic-gate assert(dcip->dci_root); 9257c478bd9Sstevel@tonic-gate 9267c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_LOAD_DRV) { 9277c478bd9Sstevel@tonic-gate node = di_init_driver(dcip->dci_driver, flags); 9287c478bd9Sstevel@tonic-gate msg = DRIVER_FAILURE; 9297c478bd9Sstevel@tonic-gate name = dcip->dci_driver; 9307c478bd9Sstevel@tonic-gate } else { 9317c478bd9Sstevel@tonic-gate node = di_init(dcip->dci_root, flags); 9327c478bd9Sstevel@tonic-gate msg = DI_INIT_FAILED; 9337c478bd9Sstevel@tonic-gate name = dcip->dci_root; 9347c478bd9Sstevel@tonic-gate } 9357c478bd9Sstevel@tonic-gate 9367c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 9377c478bd9Sstevel@tonic-gate dcip->dci_error = errno; 9387c478bd9Sstevel@tonic-gate /* 9397c478bd9Sstevel@tonic-gate * Rapid hotplugging (commonly seen during USB testing), 9407c478bd9Sstevel@tonic-gate * may remove a device before the create event for it 9417c478bd9Sstevel@tonic-gate * has been processed. To prevent alarming users with 9427c478bd9Sstevel@tonic-gate * a superfluous message, we suppress error messages 9437c478bd9Sstevel@tonic-gate * for ENXIO and hotplug. 9447c478bd9Sstevel@tonic-gate */ 9457c478bd9Sstevel@tonic-gate if (!(errno == ENXIO && (dcip->dci_flags & DCA_HOT_PLUG))) 9467c478bd9Sstevel@tonic-gate err_print(msg, name, strerror(dcip->dci_error)); 9477c478bd9Sstevel@tonic-gate return; 9487c478bd9Sstevel@tonic-gate } 9497c478bd9Sstevel@tonic-gate 9507c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_FLUSH_PATHINST) 9517c478bd9Sstevel@tonic-gate flush_path_to_inst(); 9527c478bd9Sstevel@tonic-gate 9537c478bd9Sstevel@tonic-gate dcip->dci_arg = &mlist; 9547c478bd9Sstevel@tonic-gate 9557c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "walking device tree\n"); 9567c478bd9Sstevel@tonic-gate 9577c478bd9Sstevel@tonic-gate (void) di_walk_minor(node, NULL, DI_CHECK_ALIAS, dcip, 9587c478bd9Sstevel@tonic-gate check_minor_type); 9597c478bd9Sstevel@tonic-gate 9607c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_CREATE_LINK); 9617c478bd9Sstevel@tonic-gate 9627c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 9637c478bd9Sstevel@tonic-gate 9647c478bd9Sstevel@tonic-gate /* 9657c478bd9Sstevel@tonic-gate * Finished creating devfs files and dev links. 9667c478bd9Sstevel@tonic-gate * Log sysevent and notify RCM. 9677c478bd9Sstevel@tonic-gate */ 9687c478bd9Sstevel@tonic-gate if (ev_subclass) 9697c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_ADD, ev_subclass, dcip->dci_root, 9707c478bd9Sstevel@tonic-gate node); 9717c478bd9Sstevel@tonic-gate 9727c478bd9Sstevel@tonic-gate if ((dcip->dci_flags & DCA_NOTIFY_RCM) && rcm_hdl) 9737c478bd9Sstevel@tonic-gate (void) notify_rcm(node, dcip->dci_minor); 9747c478bd9Sstevel@tonic-gate 97545916cd2Sjpk /* Add new device to device allocation database */ 97645916cd2Sjpk if (system_labeled && update_devdb) { 97745916cd2Sjpk _update_devalloc_db(&devlist, 0, DA_ADD, NULL, root_dir); 97845916cd2Sjpk update_devdb = 0; 97945916cd2Sjpk } 98045916cd2Sjpk 9817c478bd9Sstevel@tonic-gate di_fini(node); 9827c478bd9Sstevel@tonic-gate } 9837c478bd9Sstevel@tonic-gate 9847c478bd9Sstevel@tonic-gate static void 9857c478bd9Sstevel@tonic-gate process_deferred_links(struct dca_impl *dcip, int flags) 9867c478bd9Sstevel@tonic-gate { 9877c478bd9Sstevel@tonic-gate struct mlist *dep; 9887c478bd9Sstevel@tonic-gate struct minor *mp, *smp; 9897c478bd9Sstevel@tonic-gate 9907c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "processing deferred links\n"); 9917c478bd9Sstevel@tonic-gate 9927c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 9937c478bd9Sstevel@tonic-gate 9947c478bd9Sstevel@tonic-gate /* 9957c478bd9Sstevel@tonic-gate * The list head is not used during the deferred create phase 9967c478bd9Sstevel@tonic-gate */ 9977c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 9987c478bd9Sstevel@tonic-gate 9997c478bd9Sstevel@tonic-gate assert(dep); 10007c478bd9Sstevel@tonic-gate assert((dep->head == NULL) ^ (dep->tail != NULL)); 10017c478bd9Sstevel@tonic-gate assert(flags == DCA_FREE_LIST || flags == DCA_CREATE_LINK); 10027c478bd9Sstevel@tonic-gate 10037c478bd9Sstevel@tonic-gate for (smp = NULL, mp = dep->head; mp; mp = mp->next) { 10047c478bd9Sstevel@tonic-gate if (flags == DCA_CREATE_LINK) 10057c478bd9Sstevel@tonic-gate (void) check_minor_type(mp->node, mp->minor, dcip); 10067c478bd9Sstevel@tonic-gate free(smp); 10077c478bd9Sstevel@tonic-gate smp = mp; 10087c478bd9Sstevel@tonic-gate } 10097c478bd9Sstevel@tonic-gate 10107c478bd9Sstevel@tonic-gate free(smp); 10117c478bd9Sstevel@tonic-gate } 10127c478bd9Sstevel@tonic-gate 10137c478bd9Sstevel@tonic-gate /* 10147c478bd9Sstevel@tonic-gate * Called in non-daemon mode to take a snap shot of the devinfo tree. 10157c478bd9Sstevel@tonic-gate * Then it calls the appropriate functions to build /devices and /dev. 10167c478bd9Sstevel@tonic-gate * It also flushes path_to_inst. 10178c4f8890Srs * DINFOCACHE snapshot needs to be updated when devfsadm is run. 10188c4f8890Srs * This will only happen if the flags that devfsadm uses matches the flags 10198c4f8890Srs * that DINFOCACHE uses and that is why flags is set to 10208c4f8890Srs * DI_CACHE_SNAPSHOT_FLAGS. 10217c478bd9Sstevel@tonic-gate */ 10227c478bd9Sstevel@tonic-gate void 10237c478bd9Sstevel@tonic-gate process_devinfo_tree() 10247c478bd9Sstevel@tonic-gate { 10258c4f8890Srs uint_t flags = DI_CACHE_SNAPSHOT_FLAGS; 10267c478bd9Sstevel@tonic-gate struct dca_impl dci; 10277c478bd9Sstevel@tonic-gate char name[MAXNAMELEN]; 10287c478bd9Sstevel@tonic-gate char *fcn = "process_devinfo_tree: "; 10297c478bd9Sstevel@tonic-gate 10307c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 10317c478bd9Sstevel@tonic-gate 10327c478bd9Sstevel@tonic-gate dca_impl_init("/", NULL, &dci); 10337c478bd9Sstevel@tonic-gate 10347c478bd9Sstevel@tonic-gate lock_dev(); 10357c478bd9Sstevel@tonic-gate 10367c478bd9Sstevel@tonic-gate /* 10377c478bd9Sstevel@tonic-gate * Update kernel driver.conf cache when devfsadm/drvconfig 10387c478bd9Sstevel@tonic-gate * is invoked to build /devices and /dev. 10397c478bd9Sstevel@tonic-gate */ 10407c478bd9Sstevel@tonic-gate if (load_attach_drv == TRUE) 10417c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 10427c478bd9Sstevel@tonic-gate 10437c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 10447c478bd9Sstevel@tonic-gate /* 10457c478bd9Sstevel@tonic-gate * load a single driver, but walk the entire devinfo tree 10467c478bd9Sstevel@tonic-gate */ 10477c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE) 10487c478bd9Sstevel@tonic-gate err_print(DRV_LOAD_REQD); 10497c478bd9Sstevel@tonic-gate 10507c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching driver (%s)\n", fcn, driver); 10517c478bd9Sstevel@tonic-gate 10527c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_LOAD_DRV; 10537c478bd9Sstevel@tonic-gate (void) snprintf(name, sizeof (name), "%s", driver); 10547c478bd9Sstevel@tonic-gate dci.dci_driver = name; 10557c478bd9Sstevel@tonic-gate 10567c478bd9Sstevel@tonic-gate } else if (load_attach_drv == TRUE) { 10577c478bd9Sstevel@tonic-gate /* 105845916cd2Sjpk * Load and attach all drivers, then walk the entire tree. 10597c478bd9Sstevel@tonic-gate * If the cache flag is set, use DINFOCACHE to get cached 10607c478bd9Sstevel@tonic-gate * data. 10617c478bd9Sstevel@tonic-gate */ 10627c478bd9Sstevel@tonic-gate if (use_snapshot_cache == TRUE) { 10637c478bd9Sstevel@tonic-gate flags = DINFOCACHE; 10647c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%susing snapshot cache\n", fcn); 10657c478bd9Sstevel@tonic-gate } else { 10667c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching all drivers\n", fcn); 10677c478bd9Sstevel@tonic-gate flags |= DINFOFORCE; 10683c34adc5Sramat if (cleanup) { 10693c34adc5Sramat /* 10703c34adc5Sramat * remove dangling entries from /etc/devices 10713c34adc5Sramat * files. 10723c34adc5Sramat */ 10733c34adc5Sramat flags |= DINFOCLEANUP; 10743c34adc5Sramat } 10757c478bd9Sstevel@tonic-gate } 10767c478bd9Sstevel@tonic-gate } 10777c478bd9Sstevel@tonic-gate 10787c478bd9Sstevel@tonic-gate if (((load_attach_drv == TRUE) || (single_drv == TRUE)) && 10797c478bd9Sstevel@tonic-gate (build_devices == TRUE)) { 10807c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_FLUSH_PATHINST; 10817c478bd9Sstevel@tonic-gate } 10827c478bd9Sstevel@tonic-gate 10837c478bd9Sstevel@tonic-gate /* handle pre-cleanup operations desired by the modules. */ 10847c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_PRE); 10857c478bd9Sstevel@tonic-gate 10867c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, flags, NULL); 10877c478bd9Sstevel@tonic-gate 10887c478bd9Sstevel@tonic-gate if (dci.dci_error) { 10897c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10907c478bd9Sstevel@tonic-gate } 10917c478bd9Sstevel@tonic-gate 10927c478bd9Sstevel@tonic-gate /* handle post-cleanup operations desired by the modules. */ 10937c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_POST); 10947c478bd9Sstevel@tonic-gate 10957c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 10967c478bd9Sstevel@tonic-gate } 10977c478bd9Sstevel@tonic-gate 10987c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 10997c478bd9Sstevel@tonic-gate static void 11007c478bd9Sstevel@tonic-gate print_cache_signal(int signo) 11017c478bd9Sstevel@tonic-gate { 11027c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 11037c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 11047c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11057c478bd9Sstevel@tonic-gate } 11067c478bd9Sstevel@tonic-gate } 11077c478bd9Sstevel@tonic-gate 1108facf4a8dSllai static void 1109facf4a8dSllai revoke_lookup_door(void) 1110facf4a8dSllai { 1111facf4a8dSllai if (lookup_door_fd != -1) { 1112facf4a8dSllai if (door_revoke(lookup_door_fd) == -1) { 1113facf4a8dSllai err_print("door_revoke of %s failed - %s\n", 1114facf4a8dSllai lookup_door_path, strerror(errno)); 1115facf4a8dSllai } 1116facf4a8dSllai } 1117facf4a8dSllai } 1118facf4a8dSllai 1119facf4a8dSllai /*ARGSUSED*/ 1120facf4a8dSllai static void 1121facf4a8dSllai catch_exit(int signo) 1122facf4a8dSllai { 1123facf4a8dSllai revoke_lookup_door(); 1124facf4a8dSllai } 1125facf4a8dSllai 11267c478bd9Sstevel@tonic-gate /* 11277c478bd9Sstevel@tonic-gate * Register with eventd for messages. Create doors for synchronous 11287c478bd9Sstevel@tonic-gate * link creation. 11297c478bd9Sstevel@tonic-gate */ 11307c478bd9Sstevel@tonic-gate static void 11317c478bd9Sstevel@tonic-gate daemon_update(void) 11327c478bd9Sstevel@tonic-gate { 11337c478bd9Sstevel@tonic-gate int fd; 11347c478bd9Sstevel@tonic-gate char *fcn = "daemon_update: "; 11357c478bd9Sstevel@tonic-gate char door_file[MAXPATHLEN]; 11367c478bd9Sstevel@tonic-gate const char *subclass_list; 11377c478bd9Sstevel@tonic-gate sysevent_handle_t *sysevent_hp; 11387c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 11397c478bd9Sstevel@tonic-gate 11407c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 11417c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 11427c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11437c478bd9Sstevel@tonic-gate } 1144facf4a8dSllai if (signal(SIGTERM, catch_exit) == SIG_ERR) { 1145facf4a8dSllai err_print("signal SIGTERM failed: %s\n", strerror(errno)); 1146facf4a8dSllai devfsadm_exit(1); 1147facf4a8dSllai } 11487c478bd9Sstevel@tonic-gate 11497c478bd9Sstevel@tonic-gate if (snprintf(door_file, sizeof (door_file), 1150facf4a8dSllai "%s%s", attr_root ? attr_root : root_dir, DEVFSADM_SERVICE_DOOR) 1151facf4a8dSllai >= sizeof (door_file)) { 11527c478bd9Sstevel@tonic-gate err_print("update_daemon failed to open sysevent service " 11537c478bd9Sstevel@tonic-gate "door\n"); 11547c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11557c478bd9Sstevel@tonic-gate } 11567c478bd9Sstevel@tonic-gate if ((sysevent_hp = sysevent_open_channel_alt( 11577c478bd9Sstevel@tonic-gate door_file)) == NULL) { 11587c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11597c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11607c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11617c478bd9Sstevel@tonic-gate } 11627c478bd9Sstevel@tonic-gate if (sysevent_bind_subscriber(sysevent_hp, event_handler) != 0) { 11637c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11647c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11657c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 11667c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11677c478bd9Sstevel@tonic-gate } 11687c478bd9Sstevel@tonic-gate subclass_list = EC_SUB_ALL; 11697c478bd9Sstevel@tonic-gate if (sysevent_register_event(sysevent_hp, EC_ALL, &subclass_list, 1) 11707c478bd9Sstevel@tonic-gate != 0) { 11717c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11727c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11737c478bd9Sstevel@tonic-gate (void) sysevent_unbind_subscriber(sysevent_hp); 11747c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 11757c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11767c478bd9Sstevel@tonic-gate } 1177facf4a8dSllai if (snprintf(door_file, sizeof (door_file), "%s/%s", 1178facf4a8dSllai etc_dev_dir, DEVFSADM_SYNCH_DOOR) >= sizeof (door_file)) { 1179facf4a8dSllai err_print(CANT_CREATE_DOOR, DEVFSADM_SYNCH_DOOR, 11807c478bd9Sstevel@tonic-gate strerror(ENAMETOOLONG)); 11817c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11827c478bd9Sstevel@tonic-gate } 1183facf4a8dSllai 11847c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 1185facf4a8dSllai if ((fd = open(door_file, O_RDWR | O_CREAT, SYNCH_DOOR_PERMS)) == -1) { 1186facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 11877c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11887c478bd9Sstevel@tonic-gate } 11897c478bd9Sstevel@tonic-gate (void) close(fd); 1190facf4a8dSllai 1191facf4a8dSllai if ((fd = door_create(sync_handler, NULL, 11927c478bd9Sstevel@tonic-gate DOOR_REFUSE_DESC | DOOR_NO_CANCEL)) == -1) { 1193facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 11947c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11957c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11967c478bd9Sstevel@tonic-gate } 1197facf4a8dSllai 11987c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 1199facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12007c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12017c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12027c478bd9Sstevel@tonic-gate } 12037c478bd9Sstevel@tonic-gate 1204facf4a8dSllai /* 1205facf4a8dSllai * devname_lookup_door 1206facf4a8dSllai */ 1207facf4a8dSllai if (snprintf(door_file, sizeof (door_file), "%s/%s", 1208facf4a8dSllai etc_dev_dir, DEVNAME_LOOKUP_DOOR) >= sizeof (door_file)) { 1209facf4a8dSllai err_print(CANT_CREATE_DOOR, DEVNAME_LOOKUP_DOOR, 1210facf4a8dSllai strerror(ENAMETOOLONG)); 1211facf4a8dSllai devfsadm_exit(1); 1212facf4a8dSllai } 12137c478bd9Sstevel@tonic-gate 12147c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 1215facf4a8dSllai if ((fd = open(door_file, O_RDWR | O_CREAT, S_IRUSR|S_IWUSR)) == -1) { 12167c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12177c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12187c478bd9Sstevel@tonic-gate } 12197c478bd9Sstevel@tonic-gate (void) close(fd); 12207c478bd9Sstevel@tonic-gate 1221facf4a8dSllai if ((fd = door_create(devname_lookup_handler, NULL, 1222facf4a8dSllai DOOR_REFUSE_DESC)) == -1) { 12237c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12247c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12257c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12267c478bd9Sstevel@tonic-gate } 12277c478bd9Sstevel@tonic-gate 1228facf4a8dSllai (void) fdetach(door_file); 1229facf4a8dSllai lookup_door_path = s_strdup(door_file); 1230facf4a8dSllai retry: 12317c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 1232facf4a8dSllai if (errno == EBUSY) 1233facf4a8dSllai goto retry; 12347c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12357c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12367c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12377c478bd9Sstevel@tonic-gate } 1238facf4a8dSllai lookup_door_fd = fd; 12397c478bd9Sstevel@tonic-gate 1240facf4a8dSllai /* pass down the door name to kernel for door_ki_open */ 1241facf4a8dSllai if (devname_kcall(MODDEVNAME_LOOKUPDOOR, (void *)door_file) != 0) 1242facf4a8dSllai err_print(DEVNAME_CONTACT_FAILED, strerror(errno)); 1243facf4a8dSllai else 1244facf4a8dSllai devname_setup_nsmaps(); 12457c478bd9Sstevel@tonic-gate 12467c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%spausing\n", fcn); 12477c478bd9Sstevel@tonic-gate for (;;) { 12487c478bd9Sstevel@tonic-gate (void) pause(); 12497c478bd9Sstevel@tonic-gate } 12507c478bd9Sstevel@tonic-gate } 12517c478bd9Sstevel@tonic-gate 12527c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 12537c478bd9Sstevel@tonic-gate static void 12547c478bd9Sstevel@tonic-gate sync_handler(void *cookie, char *ap, size_t asize, 12557c478bd9Sstevel@tonic-gate door_desc_t *dp, uint_t ndesc) 12567c478bd9Sstevel@tonic-gate { 12577c478bd9Sstevel@tonic-gate door_cred_t dcred; 12587c478bd9Sstevel@tonic-gate struct dca_off *dcp, rdca; 12597c478bd9Sstevel@tonic-gate struct dca_impl dci; 12607c478bd9Sstevel@tonic-gate 12617c478bd9Sstevel@tonic-gate /* 12627c478bd9Sstevel@tonic-gate * Must be root to make this call 12637c478bd9Sstevel@tonic-gate * If caller is not root, don't touch its data. 12647c478bd9Sstevel@tonic-gate */ 12657c478bd9Sstevel@tonic-gate if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 12667c478bd9Sstevel@tonic-gate dcp = ⤷ 12677c478bd9Sstevel@tonic-gate dcp->dca_error = EPERM; 12687c478bd9Sstevel@tonic-gate goto out; 12697c478bd9Sstevel@tonic-gate } 12707c478bd9Sstevel@tonic-gate 12717c478bd9Sstevel@tonic-gate assert(ap); 12727c478bd9Sstevel@tonic-gate assert(asize == sizeof (*dcp)); 12737c478bd9Sstevel@tonic-gate 12747c478bd9Sstevel@tonic-gate dcp = (void *)ap; 12757c478bd9Sstevel@tonic-gate 12767c478bd9Sstevel@tonic-gate /* 12777c478bd9Sstevel@tonic-gate * Root is always present and is the first component of "name" member 12787c478bd9Sstevel@tonic-gate */ 12797c478bd9Sstevel@tonic-gate assert(dcp->dca_root == 0); 12807c478bd9Sstevel@tonic-gate 12817c478bd9Sstevel@tonic-gate /* 12827c478bd9Sstevel@tonic-gate * The structure passed in by the door_client uses offsets 12837c478bd9Sstevel@tonic-gate * instead of pointers to work across address space boundaries. 12847c478bd9Sstevel@tonic-gate * Now copy the data into a structure (dca_impl) which uses 12857c478bd9Sstevel@tonic-gate * pointers. 12867c478bd9Sstevel@tonic-gate */ 12877c478bd9Sstevel@tonic-gate dci.dci_root = &dcp->dca_name[dcp->dca_root]; 12887c478bd9Sstevel@tonic-gate dci.dci_minor = dcp->dca_minor ? &dcp->dca_name[dcp->dca_minor] : NULL; 12897c478bd9Sstevel@tonic-gate dci.dci_driver = 12907c478bd9Sstevel@tonic-gate dcp->dca_driver ? &dcp->dca_name[dcp->dca_driver] : NULL; 12917c478bd9Sstevel@tonic-gate dci.dci_error = 0; 12927c478bd9Sstevel@tonic-gate dci.dci_flags = dcp->dca_flags | (dci.dci_driver ? DCA_LOAD_DRV : 0); 12937c478bd9Sstevel@tonic-gate dci.dci_arg = NULL; 12947c478bd9Sstevel@tonic-gate 12957c478bd9Sstevel@tonic-gate lock_dev(); 12967c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOCPYALL, NULL); 12977c478bd9Sstevel@tonic-gate dcp->dca_error = dci.dci_error; 12987c478bd9Sstevel@tonic-gate 1299*ff2aee48Scth if (dcp->dca_flags & DCA_DEVLINK_SYNC) 1300*ff2aee48Scth unlock_dev(SYNC_STATE); 1301*ff2aee48Scth else 1302*ff2aee48Scth unlock_dev(CACHE_STATE); 13037c478bd9Sstevel@tonic-gate 1304*ff2aee48Scth out: (void) door_return((char *)dcp, sizeof (*dcp), NULL, 0); 13057c478bd9Sstevel@tonic-gate } 13067c478bd9Sstevel@tonic-gate 13077c478bd9Sstevel@tonic-gate static void 13087c478bd9Sstevel@tonic-gate lock_dev(void) 13097c478bd9Sstevel@tonic-gate { 13107c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "lock_dev(): entered\n"); 13117c478bd9Sstevel@tonic-gate 13127c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 13137c478bd9Sstevel@tonic-gate return; 13147c478bd9Sstevel@tonic-gate 13157c478bd9Sstevel@tonic-gate /* lockout other threads from /dev */ 13167c478bd9Sstevel@tonic-gate while (sema_wait(&dev_sema) != 0); 13177c478bd9Sstevel@tonic-gate 13187c478bd9Sstevel@tonic-gate /* 13197c478bd9Sstevel@tonic-gate * Lock out other devfsadm processes from /dev. 13207c478bd9Sstevel@tonic-gate * If this wasn't the last process to run, 13217c478bd9Sstevel@tonic-gate * clear caches 13227c478bd9Sstevel@tonic-gate */ 13237c478bd9Sstevel@tonic-gate if (enter_dev_lock() != getpid()) { 13247c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 13257c478bd9Sstevel@tonic-gate rm_all_links_from_cache(); 13267c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, DI_LINK_ERROR); 13277c478bd9Sstevel@tonic-gate } 13287c478bd9Sstevel@tonic-gate 13297c478bd9Sstevel@tonic-gate /* 13307c478bd9Sstevel@tonic-gate * (re)load the reverse links database if not 13317c478bd9Sstevel@tonic-gate * already cached. 13327c478bd9Sstevel@tonic-gate */ 13337c478bd9Sstevel@tonic-gate if (devlink_cache == NULL) 13347c478bd9Sstevel@tonic-gate devlink_cache = di_devlink_open(root_dir, 0); 13357c478bd9Sstevel@tonic-gate 13367c478bd9Sstevel@tonic-gate /* 13377c478bd9Sstevel@tonic-gate * If modules were unloaded, reload them. Also use module status 13387c478bd9Sstevel@tonic-gate * as an indication that we should check to see if other binding 13397c478bd9Sstevel@tonic-gate * files need to be reloaded. 13407c478bd9Sstevel@tonic-gate */ 13417c478bd9Sstevel@tonic-gate if (module_head == NULL) { 13427c478bd9Sstevel@tonic-gate load_modules(); 13437c478bd9Sstevel@tonic-gate read_minor_perm_file(); 13447c478bd9Sstevel@tonic-gate read_driver_aliases_file(); 13457c478bd9Sstevel@tonic-gate read_devlinktab_file(); 13467c478bd9Sstevel@tonic-gate read_logindevperm_file(); 13477c478bd9Sstevel@tonic-gate } 13487c478bd9Sstevel@tonic-gate 13497c478bd9Sstevel@tonic-gate if (module_head != NULL) 13507c478bd9Sstevel@tonic-gate return; 13517c478bd9Sstevel@tonic-gate 13527c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 13537c478bd9Sstevel@tonic-gate if (devlinktab_list == NULL) { 13547c478bd9Sstevel@tonic-gate err_print(NO_LINKTAB, devlinktab_file); 13557c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 13567c478bd9Sstevel@tonic-gate err_print(ABORTING); 13577c478bd9Sstevel@tonic-gate devfsadm_exit(1); 13587c478bd9Sstevel@tonic-gate } 13597c478bd9Sstevel@tonic-gate } else { 13607c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 13617c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADM) == 0) { 13627c478bd9Sstevel@tonic-gate err_print(MODIFY_PATH); 13637c478bd9Sstevel@tonic-gate } 13647c478bd9Sstevel@tonic-gate } 13657c478bd9Sstevel@tonic-gate } 13667c478bd9Sstevel@tonic-gate 1367*ff2aee48Scth /* 1368*ff2aee48Scth * Unlock the device. If we are processing a CACHE_STATE call, we signal a 1369*ff2aee48Scth * minor_fini_thread delayed SYNC_STATE at the end of the call. If we are 1370*ff2aee48Scth * processing a SYNC_STATE call, we cancel any minor_fini_thread SYNC_STATE 1371*ff2aee48Scth * at both the start and end of the call since we will be doing the SYNC_STATE. 1372*ff2aee48Scth */ 13737c478bd9Sstevel@tonic-gate static void 13747c478bd9Sstevel@tonic-gate unlock_dev(int flag) 13757c478bd9Sstevel@tonic-gate { 1376*ff2aee48Scth assert(flag == SYNC_STATE || flag == CACHE_STATE); 1377*ff2aee48Scth 13787c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "unlock_dev(): entered\n"); 13797c478bd9Sstevel@tonic-gate 1380*ff2aee48Scth /* If we are starting a SYNC_STATE, cancel minor_fini_thread SYNC */ 1381*ff2aee48Scth if (flag == SYNC_STATE) { 1382*ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 1383*ff2aee48Scth minor_fini_canceled = TRUE; 1384*ff2aee48Scth minor_fini_delayed = FALSE; 1385*ff2aee48Scth (void) mutex_unlock(&minor_fini_mutex); 1386*ff2aee48Scth } 1387*ff2aee48Scth 13887c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 13897c478bd9Sstevel@tonic-gate return; 13907c478bd9Sstevel@tonic-gate 13917c478bd9Sstevel@tonic-gate assert(devlink_cache); 13927c478bd9Sstevel@tonic-gate 13937c478bd9Sstevel@tonic-gate if (flag == SYNC_STATE) { 13947c478bd9Sstevel@tonic-gate unload_modules(); 13957c478bd9Sstevel@tonic-gate if (update_database) 13967c478bd9Sstevel@tonic-gate (void) di_devlink_update(devlink_cache); 13977c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 13987c478bd9Sstevel@tonic-gate } 13997c478bd9Sstevel@tonic-gate 14007c478bd9Sstevel@tonic-gate exit_dev_lock(); 14017c478bd9Sstevel@tonic-gate 1402*ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 1403*ff2aee48Scth if (flag == SYNC_STATE) { 1404*ff2aee48Scth /* We did a SYNC_STATE, cancel minor_fini_thread SYNC */ 1405*ff2aee48Scth minor_fini_canceled = TRUE; 1406*ff2aee48Scth minor_fini_delayed = FALSE; 1407*ff2aee48Scth } else { 1408*ff2aee48Scth /* We did a CACHE_STATE, start delayed minor_fini_thread SYNC */ 1409*ff2aee48Scth minor_fini_canceled = FALSE; 1410*ff2aee48Scth minor_fini_delayed = TRUE; 1411*ff2aee48Scth (void) cond_signal(&minor_fini_cv); 1412*ff2aee48Scth } 1413*ff2aee48Scth (void) mutex_unlock(&minor_fini_mutex); 1414*ff2aee48Scth 14157c478bd9Sstevel@tonic-gate (void) sema_post(&dev_sema); 14167c478bd9Sstevel@tonic-gate } 14177c478bd9Sstevel@tonic-gate 14187c478bd9Sstevel@tonic-gate /* 14197c478bd9Sstevel@tonic-gate * Check that if -r is set, it is not any part of a zone--- that is, that 14207c478bd9Sstevel@tonic-gate * the zonepath is not a substring of the root path. 14217c478bd9Sstevel@tonic-gate */ 14227c478bd9Sstevel@tonic-gate static int 14237c478bd9Sstevel@tonic-gate zone_pathcheck(char *checkpath) 14247c478bd9Sstevel@tonic-gate { 14257c478bd9Sstevel@tonic-gate void *dlhdl = NULL; 14267c478bd9Sstevel@tonic-gate char *name; 14277c478bd9Sstevel@tonic-gate char root[MAXPATHLEN]; /* resolved devfsadm root path */ 14287c478bd9Sstevel@tonic-gate char zroot[MAXPATHLEN]; /* zone root path */ 14297c478bd9Sstevel@tonic-gate char rzroot[MAXPATHLEN]; /* resolved zone root path */ 1430facf4a8dSllai char tmp[MAXPATHLEN]; 14317c478bd9Sstevel@tonic-gate FILE *cookie; 14327c478bd9Sstevel@tonic-gate int err = DEVFSADM_SUCCESS; 14337c478bd9Sstevel@tonic-gate 14347c478bd9Sstevel@tonic-gate if (checkpath[0] == '\0') 14357c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 14367c478bd9Sstevel@tonic-gate 14377c478bd9Sstevel@tonic-gate /* 14387c478bd9Sstevel@tonic-gate * Check if zones is available on this system. 14397c478bd9Sstevel@tonic-gate */ 14407c478bd9Sstevel@tonic-gate if ((dlhdl = dlopen(LIBZONECFG_PATH, RTLD_LAZY)) == NULL) { 14417c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 14427c478bd9Sstevel@tonic-gate } 14437c478bd9Sstevel@tonic-gate 14447c478bd9Sstevel@tonic-gate bzero(root, sizeof (root)); 14457c478bd9Sstevel@tonic-gate if (resolvepath(checkpath, root, sizeof (root) - 1) == -1) { 14467c478bd9Sstevel@tonic-gate /* 1447facf4a8dSllai * In this case the user has done "devfsadm -r" on some path 14487c478bd9Sstevel@tonic-gate * which does not yet exist, or we got some other misc. error. 14497c478bd9Sstevel@tonic-gate * We punt and don't resolve the path in this case. 14507c478bd9Sstevel@tonic-gate */ 14517c478bd9Sstevel@tonic-gate (void) strlcpy(root, checkpath, sizeof (root)); 14527c478bd9Sstevel@tonic-gate } 14537c478bd9Sstevel@tonic-gate 14547c478bd9Sstevel@tonic-gate if (strlen(root) > 0 && (root[strlen(root) - 1] != '/')) { 14557c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", root); 14567c478bd9Sstevel@tonic-gate (void) strlcpy(root, tmp, sizeof (root)); 14577c478bd9Sstevel@tonic-gate } 14587c478bd9Sstevel@tonic-gate 14597c478bd9Sstevel@tonic-gate cookie = setzoneent(); 14607c478bd9Sstevel@tonic-gate while ((name = getzoneent(cookie)) != NULL) { 14617c478bd9Sstevel@tonic-gate /* Skip the global zone */ 14627c478bd9Sstevel@tonic-gate if (strcmp(name, GLOBAL_ZONENAME) == 0) { 14637c478bd9Sstevel@tonic-gate free(name); 14647c478bd9Sstevel@tonic-gate continue; 14657c478bd9Sstevel@tonic-gate } 14667c478bd9Sstevel@tonic-gate 14677c478bd9Sstevel@tonic-gate if (zone_get_zonepath(name, zroot, sizeof (zroot)) != Z_OK) { 14687c478bd9Sstevel@tonic-gate free(name); 14697c478bd9Sstevel@tonic-gate continue; 14707c478bd9Sstevel@tonic-gate } 14717c478bd9Sstevel@tonic-gate 14727c478bd9Sstevel@tonic-gate bzero(rzroot, sizeof (rzroot)); 14737c478bd9Sstevel@tonic-gate if (resolvepath(zroot, rzroot, sizeof (rzroot) - 1) == -1) { 14747c478bd9Sstevel@tonic-gate /* 14757c478bd9Sstevel@tonic-gate * Zone path doesn't exist, or other misc error, 14767c478bd9Sstevel@tonic-gate * so we try using the non-resolved pathname. 14777c478bd9Sstevel@tonic-gate */ 14787c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, zroot, sizeof (rzroot)); 14797c478bd9Sstevel@tonic-gate } 14807c478bd9Sstevel@tonic-gate if (strlen(rzroot) > 0 && (rzroot[strlen(rzroot) - 1] != '/')) { 14817c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", rzroot); 14827c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, tmp, sizeof (rzroot)); 14837c478bd9Sstevel@tonic-gate } 14847c478bd9Sstevel@tonic-gate 14857c478bd9Sstevel@tonic-gate /* 14867c478bd9Sstevel@tonic-gate * Finally, the comparison. If the zone root path is a 14877c478bd9Sstevel@tonic-gate * leading substring of the root path, fail. 14887c478bd9Sstevel@tonic-gate */ 14897c478bd9Sstevel@tonic-gate if (strncmp(rzroot, root, strlen(rzroot)) == 0) { 14907c478bd9Sstevel@tonic-gate err_print(ZONE_PATHCHECK, root, name); 14917c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 14927c478bd9Sstevel@tonic-gate free(name); 14937c478bd9Sstevel@tonic-gate break; 14947c478bd9Sstevel@tonic-gate } 14957c478bd9Sstevel@tonic-gate free(name); 14967c478bd9Sstevel@tonic-gate } 14977c478bd9Sstevel@tonic-gate endzoneent(cookie); 14987c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 14997c478bd9Sstevel@tonic-gate return (err); 15007c478bd9Sstevel@tonic-gate } 15017c478bd9Sstevel@tonic-gate 15027c478bd9Sstevel@tonic-gate /* 15037c478bd9Sstevel@tonic-gate * Called by the daemon when it receives an event from the devfsadm SLM 15047c478bd9Sstevel@tonic-gate * to syseventd. 15057c478bd9Sstevel@tonic-gate * 15067c478bd9Sstevel@tonic-gate * The devfsadm SLM uses a private event channel for communication to 15077c478bd9Sstevel@tonic-gate * devfsadmd set-up via private libsysevent interfaces. This handler is 15087c478bd9Sstevel@tonic-gate * used to bind to the devfsadmd channel for event delivery. 15097c478bd9Sstevel@tonic-gate * The devfsadmd SLM insures single calls to this routine as well as 15107c478bd9Sstevel@tonic-gate * synchronized event delivery. 15117c478bd9Sstevel@tonic-gate * 15127c478bd9Sstevel@tonic-gate */ 15137c478bd9Sstevel@tonic-gate static void 15147c478bd9Sstevel@tonic-gate event_handler(sysevent_t *ev) 15157c478bd9Sstevel@tonic-gate { 15167c478bd9Sstevel@tonic-gate char *path; 15177c478bd9Sstevel@tonic-gate char *minor; 15187c478bd9Sstevel@tonic-gate char *subclass; 15197c478bd9Sstevel@tonic-gate char *dev_ev_subclass; 15207c478bd9Sstevel@tonic-gate char *driver_name; 15217c478bd9Sstevel@tonic-gate nvlist_t *attr_list = NULL; 15227c478bd9Sstevel@tonic-gate int err = 0; 15237c478bd9Sstevel@tonic-gate int instance; 15247c478bd9Sstevel@tonic-gate int branch_event = 0; 15257c478bd9Sstevel@tonic-gate 15267c478bd9Sstevel@tonic-gate subclass = sysevent_get_subclass_name(ev); 15277c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: %s id:0X%llx\n", 15287c478bd9Sstevel@tonic-gate subclass, sysevent_get_seq(ev)); 15297c478bd9Sstevel@tonic-gate 1530facf4a8dSllai if (strcmp(subclass, ESC_DEVFS_START) == 0) { 1531facf4a8dSllai return; 1532facf4a8dSllai } 1533facf4a8dSllai 15347c478bd9Sstevel@tonic-gate /* Check if event is an instance modification */ 15357c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_INSTANCE_MOD) == 0) { 15367c478bd9Sstevel@tonic-gate devfs_instance_mod(); 15377c478bd9Sstevel@tonic-gate return; 15387c478bd9Sstevel@tonic-gate } 15397c478bd9Sstevel@tonic-gate if (sysevent_get_attr_list(ev, &attr_list) != 0) { 15407c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: can not get attr list\n"); 15417c478bd9Sstevel@tonic-gate return; 15427c478bd9Sstevel@tonic-gate } 15437c478bd9Sstevel@tonic-gate 15447c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_DEVI_ADD) == 0 || 15457c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_DEVI_REMOVE) == 0 || 15467c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_CREATE) == 0 || 15477c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_REMOVE) == 0) { 15487c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, DEVFS_PATHNAME, 15497c478bd9Sstevel@tonic-gate &path)) != 0) 15507c478bd9Sstevel@tonic-gate goto out; 15517c478bd9Sstevel@tonic-gate 15527c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_DEVI_ADD) == 0 || 15537c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_DEVI_REMOVE) == 0) { 15547c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_DEVI_CLASS, 15557c478bd9Sstevel@tonic-gate &dev_ev_subclass) != 0) 15567c478bd9Sstevel@tonic-gate dev_ev_subclass = NULL; 15577c478bd9Sstevel@tonic-gate 15587c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_DRIVER_NAME, 15597c478bd9Sstevel@tonic-gate &driver_name) != 0) 15607c478bd9Sstevel@tonic-gate driver_name = NULL; 15617c478bd9Sstevel@tonic-gate 15627c478bd9Sstevel@tonic-gate if (nvlist_lookup_int32(attr_list, DEVFS_INSTANCE, 15637c478bd9Sstevel@tonic-gate &instance) != 0) 15647c478bd9Sstevel@tonic-gate instance = -1; 15657c478bd9Sstevel@tonic-gate 15667c478bd9Sstevel@tonic-gate if (nvlist_lookup_int32(attr_list, DEVFS_BRANCH_EVENT, 15677c478bd9Sstevel@tonic-gate &branch_event) != 0) 15687c478bd9Sstevel@tonic-gate branch_event = 0; 15697c478bd9Sstevel@tonic-gate 15707c478bd9Sstevel@tonic-gate } else { 15717c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_MINOR_NAME, 15727c478bd9Sstevel@tonic-gate &minor) != 0) 15737c478bd9Sstevel@tonic-gate minor = NULL; 15747c478bd9Sstevel@tonic-gate } 15757c478bd9Sstevel@tonic-gate 15767c478bd9Sstevel@tonic-gate lock_dev(); 15777c478bd9Sstevel@tonic-gate 15787c478bd9Sstevel@tonic-gate if (strcmp(ESC_DEVFS_DEVI_ADD, subclass) == 0) { 15797c478bd9Sstevel@tonic-gate add_minor_pathname(path, NULL, dev_ev_subclass); 15807c478bd9Sstevel@tonic-gate if (branch_event) { 15817c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, 15827c478bd9Sstevel@tonic-gate ESC_DEV_BRANCH_ADD, path, DI_NODE_NIL); 15837c478bd9Sstevel@tonic-gate } 15847c478bd9Sstevel@tonic-gate 15857c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_CREATE, subclass) == 0) { 15867c478bd9Sstevel@tonic-gate add_minor_pathname(path, minor, NULL); 15877c478bd9Sstevel@tonic-gate 15887c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_REMOVE, subclass) == 0) { 15897c478bd9Sstevel@tonic-gate hot_cleanup(path, minor, NULL, NULL, -1); 15907c478bd9Sstevel@tonic-gate 15917c478bd9Sstevel@tonic-gate } else { /* ESC_DEVFS_DEVI_REMOVE */ 15927c478bd9Sstevel@tonic-gate hot_cleanup(path, NULL, dev_ev_subclass, 15937c478bd9Sstevel@tonic-gate driver_name, instance); 15947c478bd9Sstevel@tonic-gate if (branch_event) { 15957c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, 15967c478bd9Sstevel@tonic-gate ESC_DEV_BRANCH_REMOVE, path, DI_NODE_NIL); 15977c478bd9Sstevel@tonic-gate } 15987c478bd9Sstevel@tonic-gate } 15997c478bd9Sstevel@tonic-gate 16007c478bd9Sstevel@tonic-gate unlock_dev(CACHE_STATE); 16017c478bd9Sstevel@tonic-gate 16027c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0 || 16037c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_BRANCH_REMOVE) == 0) { 16047c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, 16057c478bd9Sstevel@tonic-gate DEVFS_PATHNAME, &path)) != 0) 16067c478bd9Sstevel@tonic-gate goto out; 16077c478bd9Sstevel@tonic-gate 16087c478bd9Sstevel@tonic-gate /* just log ESC_DEV_BRANCH... event */ 16097c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0) 16107c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_ADD; 16117c478bd9Sstevel@tonic-gate else 16127c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_REMOVE; 16137c478bd9Sstevel@tonic-gate 1614d2596142Scth lock_dev(); 16157c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, dev_ev_subclass, path, 16167c478bd9Sstevel@tonic-gate DI_NODE_NIL); 1617d2596142Scth unlock_dev(CACHE_STATE); 16187c478bd9Sstevel@tonic-gate } else 16197c478bd9Sstevel@tonic-gate err_print(UNKNOWN_EVENT, subclass); 16207c478bd9Sstevel@tonic-gate 16217c478bd9Sstevel@tonic-gate out: 16227c478bd9Sstevel@tonic-gate if (err) 16237c478bd9Sstevel@tonic-gate err_print(EVENT_ATTR_LOOKUP_FAILED, strerror(err)); 16247c478bd9Sstevel@tonic-gate nvlist_free(attr_list); 16257c478bd9Sstevel@tonic-gate } 16267c478bd9Sstevel@tonic-gate 16277c478bd9Sstevel@tonic-gate static void 16287c478bd9Sstevel@tonic-gate dca_impl_init(char *root, char *minor, struct dca_impl *dcip) 16297c478bd9Sstevel@tonic-gate { 16307c478bd9Sstevel@tonic-gate assert(root); 16317c478bd9Sstevel@tonic-gate 16327c478bd9Sstevel@tonic-gate dcip->dci_root = root; 16337c478bd9Sstevel@tonic-gate dcip->dci_minor = minor; 16347c478bd9Sstevel@tonic-gate dcip->dci_driver = NULL; 16357c478bd9Sstevel@tonic-gate dcip->dci_error = 0; 16367c478bd9Sstevel@tonic-gate dcip->dci_flags = 0; 16377c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 16387c478bd9Sstevel@tonic-gate } 16397c478bd9Sstevel@tonic-gate 16407c478bd9Sstevel@tonic-gate /* 16417c478bd9Sstevel@tonic-gate * Kernel logs a message when a devinfo node is attached. Try to create 16427c478bd9Sstevel@tonic-gate * /dev and /devices for each minor node. minorname can be NULL. 16437c478bd9Sstevel@tonic-gate */ 16447c478bd9Sstevel@tonic-gate void 16457c478bd9Sstevel@tonic-gate add_minor_pathname(char *node, char *minor, char *ev_subclass) 16467c478bd9Sstevel@tonic-gate { 16477c478bd9Sstevel@tonic-gate struct dca_impl dci; 16487c478bd9Sstevel@tonic-gate 16497c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "add_minor_pathname: node_path=%s minor=%s\n", 16507c478bd9Sstevel@tonic-gate node, minor ? minor : "NULL"); 16517c478bd9Sstevel@tonic-gate 16527c478bd9Sstevel@tonic-gate dca_impl_init(node, minor, &dci); 16537c478bd9Sstevel@tonic-gate 16547c478bd9Sstevel@tonic-gate /* 16557c478bd9Sstevel@tonic-gate * Restrict hotplug link creation if daemon 16567c478bd9Sstevel@tonic-gate * started with -i option. 16577c478bd9Sstevel@tonic-gate */ 16587c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 16597c478bd9Sstevel@tonic-gate dci.dci_driver = driver; 16607c478bd9Sstevel@tonic-gate } 16617c478bd9Sstevel@tonic-gate 16627c478bd9Sstevel@tonic-gate /* 16637c478bd9Sstevel@tonic-gate * We are being invoked in response to a hotplug 16647c478bd9Sstevel@tonic-gate * event. Also, notify RCM if nodetype indicates 16657c478bd9Sstevel@tonic-gate * a network device has been hotplugged. 16667c478bd9Sstevel@tonic-gate */ 16677c478bd9Sstevel@tonic-gate dci.dci_flags = DCA_HOT_PLUG | DCA_CHECK_TYPE; 16687c478bd9Sstevel@tonic-gate 16697c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOPROP|DINFOMINOR, ev_subclass); 16707c478bd9Sstevel@tonic-gate } 16717c478bd9Sstevel@tonic-gate 16727c478bd9Sstevel@tonic-gate static di_node_t 16737c478bd9Sstevel@tonic-gate find_clone_node() 16747c478bd9Sstevel@tonic-gate { 16757c478bd9Sstevel@tonic-gate static di_node_t clone_node = DI_NODE_NIL; 16767c478bd9Sstevel@tonic-gate 16777c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) 16787c478bd9Sstevel@tonic-gate clone_node = di_init("/pseudo/clone@0", DINFOPROP); 16797c478bd9Sstevel@tonic-gate return (clone_node); 16807c478bd9Sstevel@tonic-gate } 16817c478bd9Sstevel@tonic-gate 16827c478bd9Sstevel@tonic-gate static int 16837c478bd9Sstevel@tonic-gate is_descendent_of(di_node_t node, char *driver) 16847c478bd9Sstevel@tonic-gate { 16857c478bd9Sstevel@tonic-gate while (node != DI_NODE_NIL) { 16867c478bd9Sstevel@tonic-gate char *drv = di_driver_name(node); 16877c478bd9Sstevel@tonic-gate if (strcmp(drv, driver) == 0) 16887c478bd9Sstevel@tonic-gate return (1); 16897c478bd9Sstevel@tonic-gate node = di_parent_node(node); 16907c478bd9Sstevel@tonic-gate } 16917c478bd9Sstevel@tonic-gate return (0); 16927c478bd9Sstevel@tonic-gate } 16937c478bd9Sstevel@tonic-gate 16947c478bd9Sstevel@tonic-gate /* 16957c478bd9Sstevel@tonic-gate * Checks the minor type. If it is an alias node, then lookup 16967c478bd9Sstevel@tonic-gate * the real node/minor first, then call minor_process() to 16977c478bd9Sstevel@tonic-gate * do the real work. 16987c478bd9Sstevel@tonic-gate */ 16997c478bd9Sstevel@tonic-gate static int 17007c478bd9Sstevel@tonic-gate check_minor_type(di_node_t node, di_minor_t minor, void *arg) 17017c478bd9Sstevel@tonic-gate { 17027c478bd9Sstevel@tonic-gate ddi_minor_type minor_type; 17037c478bd9Sstevel@tonic-gate di_node_t clone_node; 17047c478bd9Sstevel@tonic-gate char *mn; 17057c478bd9Sstevel@tonic-gate char *nt; 17067c478bd9Sstevel@tonic-gate struct mlist *dep; 17077c478bd9Sstevel@tonic-gate struct dca_impl *dcip = arg; 17087c478bd9Sstevel@tonic-gate 17097c478bd9Sstevel@tonic-gate assert(dcip); 17107c478bd9Sstevel@tonic-gate 17117c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 17127c478bd9Sstevel@tonic-gate 17137c478bd9Sstevel@tonic-gate mn = di_minor_name(minor); 17147c478bd9Sstevel@tonic-gate 17157c478bd9Sstevel@tonic-gate /* 17167c478bd9Sstevel@tonic-gate * We match driver here instead of in minor_process 17177c478bd9Sstevel@tonic-gate * as we want the actual driver name. This check is 17187c478bd9Sstevel@tonic-gate * unnecessary during deferred processing. 17197c478bd9Sstevel@tonic-gate */ 17207c478bd9Sstevel@tonic-gate if (dep && 17217c478bd9Sstevel@tonic-gate ((dcip->dci_driver && !is_descendent_of(node, dcip->dci_driver)) || 17227c478bd9Sstevel@tonic-gate (dcip->dci_minor && strcmp(mn, dcip->dci_minor)))) { 17237c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 17247c478bd9Sstevel@tonic-gate } 17257c478bd9Sstevel@tonic-gate 17267c478bd9Sstevel@tonic-gate if ((dcip->dci_flags & DCA_CHECK_TYPE) && 17277c478bd9Sstevel@tonic-gate (nt = di_minor_nodetype(minor)) && 1728210db224Sericheng (strcmp(nt, DDI_NT_NET) == 0)) { 17297c478bd9Sstevel@tonic-gate dcip->dci_flags |= DCA_NOTIFY_RCM; 17307c478bd9Sstevel@tonic-gate dcip->dci_flags &= ~DCA_CHECK_TYPE; 17317c478bd9Sstevel@tonic-gate } 17327c478bd9Sstevel@tonic-gate 17337c478bd9Sstevel@tonic-gate minor_type = di_minor_type(minor); 17347c478bd9Sstevel@tonic-gate 17357c478bd9Sstevel@tonic-gate if (minor_type == DDM_MINOR) { 17367c478bd9Sstevel@tonic-gate minor_process(node, minor, dep); 17377c478bd9Sstevel@tonic-gate 17387c478bd9Sstevel@tonic-gate } else if (minor_type == DDM_ALIAS) { 17397c478bd9Sstevel@tonic-gate struct mlist *cdep, clone_del = {0}; 17407c478bd9Sstevel@tonic-gate 17417c478bd9Sstevel@tonic-gate clone_node = find_clone_node(); 17427c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) { 17437c478bd9Sstevel@tonic-gate err_print(DI_INIT_FAILED, "clone", strerror(errno)); 17447c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 17457c478bd9Sstevel@tonic-gate } 17467c478bd9Sstevel@tonic-gate 17477c478bd9Sstevel@tonic-gate cdep = dep ? &clone_del : NULL; 17487c478bd9Sstevel@tonic-gate 17497c478bd9Sstevel@tonic-gate minor_process(clone_node, minor, cdep); 17507c478bd9Sstevel@tonic-gate 17517c478bd9Sstevel@tonic-gate /* 17527c478bd9Sstevel@tonic-gate * cache "alias" minor node and free "clone" minor 17537c478bd9Sstevel@tonic-gate */ 17547c478bd9Sstevel@tonic-gate if (cdep != NULL && cdep->head != NULL) { 17557c478bd9Sstevel@tonic-gate assert(cdep->tail != NULL); 17567c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 17577c478bd9Sstevel@tonic-gate dcip->dci_arg = cdep; 17587c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_FREE_LIST); 17597c478bd9Sstevel@tonic-gate dcip->dci_arg = dep; 17607c478bd9Sstevel@tonic-gate } 17617c478bd9Sstevel@tonic-gate } 17627c478bd9Sstevel@tonic-gate 17637c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 17647c478bd9Sstevel@tonic-gate } 17657c478bd9Sstevel@tonic-gate 17667c478bd9Sstevel@tonic-gate 17677c478bd9Sstevel@tonic-gate /* 17687c478bd9Sstevel@tonic-gate * This is the entry point for each minor node, whether walking 17697c478bd9Sstevel@tonic-gate * the entire tree via di_walk_minor() or processing a hotplug event 17707c478bd9Sstevel@tonic-gate * for a single devinfo node (via hotplug ndi_devi_online()). 17717c478bd9Sstevel@tonic-gate */ 17727c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 17737c478bd9Sstevel@tonic-gate static void 17747c478bd9Sstevel@tonic-gate minor_process(di_node_t node, di_minor_t minor, struct mlist *dep) 17757c478bd9Sstevel@tonic-gate { 17767c478bd9Sstevel@tonic-gate create_list_t *create; 17777c478bd9Sstevel@tonic-gate int defer; 17787c478bd9Sstevel@tonic-gate 17797c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: node=%s, minor=%s\n", 17807c478bd9Sstevel@tonic-gate di_node_name(node), di_minor_name(minor)); 17817c478bd9Sstevel@tonic-gate 17827c478bd9Sstevel@tonic-gate if (dep != NULL) { 17837c478bd9Sstevel@tonic-gate 17847c478bd9Sstevel@tonic-gate /* 17857c478bd9Sstevel@tonic-gate * Reset /devices node to minor_perm perm/ownership 17867c478bd9Sstevel@tonic-gate * if we are here to deactivate device allocation 17877c478bd9Sstevel@tonic-gate */ 17887c478bd9Sstevel@tonic-gate if (build_devices == TRUE) { 17897c478bd9Sstevel@tonic-gate reset_node_permissions(node, minor); 17907c478bd9Sstevel@tonic-gate } 17917c478bd9Sstevel@tonic-gate 17927c478bd9Sstevel@tonic-gate if (build_dev == FALSE) { 17937c478bd9Sstevel@tonic-gate return; 17947c478bd9Sstevel@tonic-gate } 17957c478bd9Sstevel@tonic-gate 17967c478bd9Sstevel@tonic-gate /* 17977c478bd9Sstevel@tonic-gate * This function will create any nodes for /etc/devlink.tab. 17987c478bd9Sstevel@tonic-gate * If devlink.tab handles link creation, we don't call any 17997c478bd9Sstevel@tonic-gate * devfsadm modules since that could cause duplicate caching 18007c478bd9Sstevel@tonic-gate * in the enumerate functions if different re strings are 18017c478bd9Sstevel@tonic-gate * passed that are logically identical. I'm still not 18027c478bd9Sstevel@tonic-gate * convinced this would cause any harm, but better to be safe. 18037c478bd9Sstevel@tonic-gate * 18047c478bd9Sstevel@tonic-gate * Deferred processing is available only for devlinks 18057c478bd9Sstevel@tonic-gate * created through devfsadm modules. 18067c478bd9Sstevel@tonic-gate */ 18077c478bd9Sstevel@tonic-gate if (process_devlink_compat(minor, node) == TRUE) { 18087c478bd9Sstevel@tonic-gate return; 18097c478bd9Sstevel@tonic-gate } 18107c478bd9Sstevel@tonic-gate } else { 18117c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: deferred processing\n"); 18127c478bd9Sstevel@tonic-gate } 18137c478bd9Sstevel@tonic-gate 18147c478bd9Sstevel@tonic-gate /* 18157c478bd9Sstevel@tonic-gate * look for relevant link create rules in the modules, and 18167c478bd9Sstevel@tonic-gate * invoke the link create callback function to build a link 18177c478bd9Sstevel@tonic-gate * if there is a match. 18187c478bd9Sstevel@tonic-gate */ 18197c478bd9Sstevel@tonic-gate defer = 0; 18207c478bd9Sstevel@tonic-gate for (create = create_head; create != NULL; create = create->next) { 18217c478bd9Sstevel@tonic-gate if ((minor_matches_rule(node, minor, create) == TRUE) && 18227c478bd9Sstevel@tonic-gate class_ok(create->create->device_class) == 18237c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) { 18247c478bd9Sstevel@tonic-gate if (call_minor_init(create->modptr) == 18257c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 18267c478bd9Sstevel@tonic-gate continue; 18277c478bd9Sstevel@tonic-gate } 18287c478bd9Sstevel@tonic-gate 18297c478bd9Sstevel@tonic-gate /* 18307c478bd9Sstevel@tonic-gate * If NOT doing the deferred creates (i.e. 1st pass) and 18317c478bd9Sstevel@tonic-gate * rule requests deferred processing cache the minor 18327c478bd9Sstevel@tonic-gate * data. 18337c478bd9Sstevel@tonic-gate * 18347c478bd9Sstevel@tonic-gate * If deferred processing (2nd pass), create links 18357c478bd9Sstevel@tonic-gate * ONLY if rule requests deferred processing. 18367c478bd9Sstevel@tonic-gate */ 18377c478bd9Sstevel@tonic-gate if (dep && ((create->create->flags & CREATE_MASK) == 18387c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 18397c478bd9Sstevel@tonic-gate defer = 1; 18407c478bd9Sstevel@tonic-gate continue; 18417c478bd9Sstevel@tonic-gate } else if (dep == NULL && 18427c478bd9Sstevel@tonic-gate ((create->create->flags & CREATE_MASK) != 18437c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 18447c478bd9Sstevel@tonic-gate continue; 18457c478bd9Sstevel@tonic-gate } 18467c478bd9Sstevel@tonic-gate 18477c478bd9Sstevel@tonic-gate if ((*(create->create->callback_fcn)) 18487c478bd9Sstevel@tonic-gate (minor, node) == DEVFSADM_TERMINATE) { 18497c478bd9Sstevel@tonic-gate break; 18507c478bd9Sstevel@tonic-gate } 18517c478bd9Sstevel@tonic-gate } 18527c478bd9Sstevel@tonic-gate } 18537c478bd9Sstevel@tonic-gate 18547c478bd9Sstevel@tonic-gate if (defer) 18557c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 18567c478bd9Sstevel@tonic-gate } 18577c478bd9Sstevel@tonic-gate 18587c478bd9Sstevel@tonic-gate 18597c478bd9Sstevel@tonic-gate /* 18607c478bd9Sstevel@tonic-gate * Cache node and minor in defer list. 18617c478bd9Sstevel@tonic-gate */ 18627c478bd9Sstevel@tonic-gate static void 18637c478bd9Sstevel@tonic-gate cache_deferred_minor( 18647c478bd9Sstevel@tonic-gate struct mlist *dep, 18657c478bd9Sstevel@tonic-gate di_node_t node, 18667c478bd9Sstevel@tonic-gate di_minor_t minor) 18677c478bd9Sstevel@tonic-gate { 18687c478bd9Sstevel@tonic-gate struct minor *mp; 18697c478bd9Sstevel@tonic-gate const char *fcn = "cache_deferred_minor"; 18707c478bd9Sstevel@tonic-gate 18717c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s node=%s, minor=%s\n", fcn, 18727c478bd9Sstevel@tonic-gate di_node_name(node), di_minor_name(minor)); 18737c478bd9Sstevel@tonic-gate 18747c478bd9Sstevel@tonic-gate if (dep == NULL) { 18757c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: cannot cache during " 18767c478bd9Sstevel@tonic-gate "deferred processing. Ignoring minor\n", fcn); 18777c478bd9Sstevel@tonic-gate return; 18787c478bd9Sstevel@tonic-gate } 18797c478bd9Sstevel@tonic-gate 18807c478bd9Sstevel@tonic-gate mp = (struct minor *)s_zalloc(sizeof (struct minor)); 18817c478bd9Sstevel@tonic-gate mp->node = node; 18827c478bd9Sstevel@tonic-gate mp->minor = minor; 18837c478bd9Sstevel@tonic-gate mp->next = NULL; 18847c478bd9Sstevel@tonic-gate 18857c478bd9Sstevel@tonic-gate assert(dep->head == NULL || dep->tail != NULL); 18867c478bd9Sstevel@tonic-gate if (dep->head == NULL) { 18877c478bd9Sstevel@tonic-gate dep->head = mp; 18887c478bd9Sstevel@tonic-gate } else { 18897c478bd9Sstevel@tonic-gate dep->tail->next = mp; 18907c478bd9Sstevel@tonic-gate } 18917c478bd9Sstevel@tonic-gate dep->tail = mp; 18927c478bd9Sstevel@tonic-gate } 18937c478bd9Sstevel@tonic-gate 18947c478bd9Sstevel@tonic-gate /* 18957c478bd9Sstevel@tonic-gate * Check to see if "create" link creation rule matches this node/minor. 18967c478bd9Sstevel@tonic-gate * If it does, return TRUE. 18977c478bd9Sstevel@tonic-gate */ 18987c478bd9Sstevel@tonic-gate static int 18997c478bd9Sstevel@tonic-gate minor_matches_rule(di_node_t node, di_minor_t minor, create_list_t *create) 19007c478bd9Sstevel@tonic-gate { 19017c478bd9Sstevel@tonic-gate char *m_nodetype, *m_drvname; 19027c478bd9Sstevel@tonic-gate 19037c478bd9Sstevel@tonic-gate if (create->create->node_type != NULL) { 19047c478bd9Sstevel@tonic-gate 19057c478bd9Sstevel@tonic-gate m_nodetype = di_minor_nodetype(minor); 19067c478bd9Sstevel@tonic-gate assert(m_nodetype != NULL); 19077c478bd9Sstevel@tonic-gate 19087c478bd9Sstevel@tonic-gate switch (create->create->flags & TYPE_MASK) { 19097c478bd9Sstevel@tonic-gate case TYPE_EXACT: 19107c478bd9Sstevel@tonic-gate if (strcmp(create->create->node_type, m_nodetype) != 19117c478bd9Sstevel@tonic-gate 0) { 19127c478bd9Sstevel@tonic-gate return (FALSE); 19137c478bd9Sstevel@tonic-gate } 19147c478bd9Sstevel@tonic-gate break; 19157c478bd9Sstevel@tonic-gate case TYPE_PARTIAL: 19167c478bd9Sstevel@tonic-gate if (strncmp(create->create->node_type, m_nodetype, 19177c478bd9Sstevel@tonic-gate strlen(create->create->node_type)) != 0) { 19187c478bd9Sstevel@tonic-gate return (FALSE); 19197c478bd9Sstevel@tonic-gate } 19207c478bd9Sstevel@tonic-gate break; 19217c478bd9Sstevel@tonic-gate case TYPE_RE: 19227c478bd9Sstevel@tonic-gate if (regexec(&(create->node_type_comp), m_nodetype, 19237c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 19247c478bd9Sstevel@tonic-gate return (FALSE); 19257c478bd9Sstevel@tonic-gate } 19267c478bd9Sstevel@tonic-gate break; 19277c478bd9Sstevel@tonic-gate } 19287c478bd9Sstevel@tonic-gate } 19297c478bd9Sstevel@tonic-gate 19307c478bd9Sstevel@tonic-gate if (create->create->drv_name != NULL) { 19317c478bd9Sstevel@tonic-gate m_drvname = di_driver_name(node); 19327c478bd9Sstevel@tonic-gate switch (create->create->flags & DRV_MASK) { 19337c478bd9Sstevel@tonic-gate case DRV_EXACT: 19347c478bd9Sstevel@tonic-gate if (strcmp(create->create->drv_name, m_drvname) != 0) { 19357c478bd9Sstevel@tonic-gate return (FALSE); 19367c478bd9Sstevel@tonic-gate } 19377c478bd9Sstevel@tonic-gate break; 19387c478bd9Sstevel@tonic-gate case DRV_RE: 19397c478bd9Sstevel@tonic-gate if (regexec(&(create->drv_name_comp), m_drvname, 19407c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 19417c478bd9Sstevel@tonic-gate return (FALSE); 19427c478bd9Sstevel@tonic-gate } 19437c478bd9Sstevel@tonic-gate break; 19447c478bd9Sstevel@tonic-gate } 19457c478bd9Sstevel@tonic-gate } 19467c478bd9Sstevel@tonic-gate 19477c478bd9Sstevel@tonic-gate return (TRUE); 19487c478bd9Sstevel@tonic-gate } 19497c478bd9Sstevel@tonic-gate 19507c478bd9Sstevel@tonic-gate /* 19517c478bd9Sstevel@tonic-gate * If no classes were given on the command line, then return DEVFSADM_SUCCESS. 19527c478bd9Sstevel@tonic-gate * Otherwise, return DEVFSADM_SUCCESS if the device "class" from the module 19537c478bd9Sstevel@tonic-gate * matches one of the device classes given on the command line, 19547c478bd9Sstevel@tonic-gate * otherwise, return DEVFSADM_FAILURE. 19557c478bd9Sstevel@tonic-gate */ 19567c478bd9Sstevel@tonic-gate static int 19577c478bd9Sstevel@tonic-gate class_ok(char *class) 19587c478bd9Sstevel@tonic-gate { 19597c478bd9Sstevel@tonic-gate int i; 19607c478bd9Sstevel@tonic-gate 19617c478bd9Sstevel@tonic-gate if (num_classes == 0) { 19627c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 19637c478bd9Sstevel@tonic-gate } 19647c478bd9Sstevel@tonic-gate 19657c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 19667c478bd9Sstevel@tonic-gate if (strcmp(class, classes[i]) == 0) { 19677c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 19687c478bd9Sstevel@tonic-gate } 19697c478bd9Sstevel@tonic-gate } 19707c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 19717c478bd9Sstevel@tonic-gate } 19727c478bd9Sstevel@tonic-gate 19737c478bd9Sstevel@tonic-gate /* 19747c478bd9Sstevel@tonic-gate * call minor_fini on active modules, then unload ALL modules 19757c478bd9Sstevel@tonic-gate */ 19767c478bd9Sstevel@tonic-gate static void 19777c478bd9Sstevel@tonic-gate unload_modules(void) 19787c478bd9Sstevel@tonic-gate { 19797c478bd9Sstevel@tonic-gate module_t *module_free; 19807c478bd9Sstevel@tonic-gate create_list_t *create_free; 19817c478bd9Sstevel@tonic-gate remove_list_t *remove_free; 19827c478bd9Sstevel@tonic-gate 19837c478bd9Sstevel@tonic-gate while (create_head != NULL) { 19847c478bd9Sstevel@tonic-gate create_free = create_head; 19857c478bd9Sstevel@tonic-gate create_head = create_head->next; 19867c478bd9Sstevel@tonic-gate 19877c478bd9Sstevel@tonic-gate if ((create_free->create->flags & TYPE_RE) == TYPE_RE) { 19887c478bd9Sstevel@tonic-gate regfree(&(create_free->node_type_comp)); 19897c478bd9Sstevel@tonic-gate } 19907c478bd9Sstevel@tonic-gate if ((create_free->create->flags & DRV_RE) == DRV_RE) { 19917c478bd9Sstevel@tonic-gate regfree(&(create_free->drv_name_comp)); 19927c478bd9Sstevel@tonic-gate } 19937c478bd9Sstevel@tonic-gate free(create_free); 19947c478bd9Sstevel@tonic-gate } 19957c478bd9Sstevel@tonic-gate 19967c478bd9Sstevel@tonic-gate while (remove_head != NULL) { 19977c478bd9Sstevel@tonic-gate remove_free = remove_head; 19987c478bd9Sstevel@tonic-gate remove_head = remove_head->next; 19997c478bd9Sstevel@tonic-gate free(remove_free); 20007c478bd9Sstevel@tonic-gate } 20017c478bd9Sstevel@tonic-gate 20027c478bd9Sstevel@tonic-gate while (module_head != NULL) { 20037c478bd9Sstevel@tonic-gate 20047c478bd9Sstevel@tonic-gate if ((module_head->minor_fini != NULL) && 20057c478bd9Sstevel@tonic-gate ((module_head->flags & MODULE_ACTIVE) == MODULE_ACTIVE)) { 20067c478bd9Sstevel@tonic-gate (void) (*(module_head->minor_fini))(); 20077c478bd9Sstevel@tonic-gate } 20087c478bd9Sstevel@tonic-gate 20097c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "unloading module %s\n", module_head->name); 20107c478bd9Sstevel@tonic-gate free(module_head->name); 20117c478bd9Sstevel@tonic-gate (void) dlclose(module_head->dlhandle); 20127c478bd9Sstevel@tonic-gate 20137c478bd9Sstevel@tonic-gate module_free = module_head; 20147c478bd9Sstevel@tonic-gate module_head = module_head->next; 20157c478bd9Sstevel@tonic-gate free(module_free); 20167c478bd9Sstevel@tonic-gate } 20177c478bd9Sstevel@tonic-gate } 20187c478bd9Sstevel@tonic-gate 20197c478bd9Sstevel@tonic-gate /* 20207c478bd9Sstevel@tonic-gate * Load devfsadm logical link processing modules. 20217c478bd9Sstevel@tonic-gate */ 20227c478bd9Sstevel@tonic-gate static void 20237c478bd9Sstevel@tonic-gate load_modules(void) 20247c478bd9Sstevel@tonic-gate { 20257c478bd9Sstevel@tonic-gate DIR *mod_dir; 20264bc0a2efScasper struct dirent *entp; 20277c478bd9Sstevel@tonic-gate char cdir[PATH_MAX + 1]; 20287c478bd9Sstevel@tonic-gate char *last; 20297c478bd9Sstevel@tonic-gate char *mdir = module_dirs; 20307c478bd9Sstevel@tonic-gate char *fcn = "load_modules: "; 20317c478bd9Sstevel@tonic-gate 20327c478bd9Sstevel@tonic-gate while (*mdir != '\0') { 20337c478bd9Sstevel@tonic-gate 20347c478bd9Sstevel@tonic-gate while (*mdir == ':') { 20357c478bd9Sstevel@tonic-gate mdir++; 20367c478bd9Sstevel@tonic-gate } 20377c478bd9Sstevel@tonic-gate 20387c478bd9Sstevel@tonic-gate if (*mdir == '\0') { 20397c478bd9Sstevel@tonic-gate continue; 20407c478bd9Sstevel@tonic-gate } 20417c478bd9Sstevel@tonic-gate 20427c478bd9Sstevel@tonic-gate last = strchr(mdir, ':'); 20437c478bd9Sstevel@tonic-gate 20447c478bd9Sstevel@tonic-gate if (last == NULL) { 20457c478bd9Sstevel@tonic-gate last = mdir + strlen(mdir); 20467c478bd9Sstevel@tonic-gate } 20477c478bd9Sstevel@tonic-gate 20487c478bd9Sstevel@tonic-gate (void) strncpy(cdir, mdir, last - mdir); 20497c478bd9Sstevel@tonic-gate cdir[last - mdir] = '\0'; 20507c478bd9Sstevel@tonic-gate mdir += strlen(cdir); 20517c478bd9Sstevel@tonic-gate 20527c478bd9Sstevel@tonic-gate if ((mod_dir = opendir(cdir)) == NULL) { 20537c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sopendir(%s): %s\n", 20547c478bd9Sstevel@tonic-gate fcn, cdir, strerror(errno)); 20557c478bd9Sstevel@tonic-gate continue; 20567c478bd9Sstevel@tonic-gate } 20577c478bd9Sstevel@tonic-gate 20584bc0a2efScasper while ((entp = readdir(mod_dir)) != NULL) { 20597c478bd9Sstevel@tonic-gate 20607c478bd9Sstevel@tonic-gate if ((strcmp(entp->d_name, ".") == 0) || 20617c478bd9Sstevel@tonic-gate (strcmp(entp->d_name, "..") == 0)) { 20627c478bd9Sstevel@tonic-gate continue; 20637c478bd9Sstevel@tonic-gate } 20647c478bd9Sstevel@tonic-gate 20657c478bd9Sstevel@tonic-gate load_module(entp->d_name, cdir); 20667c478bd9Sstevel@tonic-gate } 20677c478bd9Sstevel@tonic-gate s_closedir(mod_dir); 20687c478bd9Sstevel@tonic-gate } 20697c478bd9Sstevel@tonic-gate } 20707c478bd9Sstevel@tonic-gate 20717c478bd9Sstevel@tonic-gate static void 20727c478bd9Sstevel@tonic-gate load_module(char *mname, char *cdir) 20737c478bd9Sstevel@tonic-gate { 20747c478bd9Sstevel@tonic-gate _devfsadm_create_reg_t *create_reg; 2075aa646b9dSvikram _devfsadm_remove_reg_V1_t *remove_reg; 20767c478bd9Sstevel@tonic-gate create_list_t *create_list_element; 20777c478bd9Sstevel@tonic-gate create_list_t **create_list_next; 20787c478bd9Sstevel@tonic-gate remove_list_t *remove_list_element; 20797c478bd9Sstevel@tonic-gate remove_list_t **remove_list_next; 20807c478bd9Sstevel@tonic-gate char epath[PATH_MAX + 1], *end; 20817c478bd9Sstevel@tonic-gate char *fcn = "load_module: "; 20827c478bd9Sstevel@tonic-gate char *dlerrstr; 20837c478bd9Sstevel@tonic-gate void *dlhandle; 20847c478bd9Sstevel@tonic-gate module_t *module; 2085aa646b9dSvikram int flags; 20867c478bd9Sstevel@tonic-gate int n; 20877c478bd9Sstevel@tonic-gate int i; 20887c478bd9Sstevel@tonic-gate 20897c478bd9Sstevel@tonic-gate /* ignore any file which does not end in '.so' */ 20907c478bd9Sstevel@tonic-gate if ((end = strstr(mname, MODULE_SUFFIX)) != NULL) { 20917c478bd9Sstevel@tonic-gate if (end[strlen(MODULE_SUFFIX)] != '\0') { 20927c478bd9Sstevel@tonic-gate return; 20937c478bd9Sstevel@tonic-gate } 20947c478bd9Sstevel@tonic-gate } else { 20957c478bd9Sstevel@tonic-gate return; 20967c478bd9Sstevel@tonic-gate } 20977c478bd9Sstevel@tonic-gate 20987c478bd9Sstevel@tonic-gate (void) snprintf(epath, sizeof (epath), "%s/%s", cdir, mname); 20997c478bd9Sstevel@tonic-gate 21007c478bd9Sstevel@tonic-gate if ((dlhandle = dlopen(epath, RTLD_LAZY)) == NULL) { 21017c478bd9Sstevel@tonic-gate dlerrstr = dlerror(); 21027c478bd9Sstevel@tonic-gate err_print(DLOPEN_FAILED, epath, 21037c478bd9Sstevel@tonic-gate dlerrstr ? dlerrstr : "unknown error"); 21047c478bd9Sstevel@tonic-gate return; 21057c478bd9Sstevel@tonic-gate } 21067c478bd9Sstevel@tonic-gate 21077c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_create_reg structure */ 21087c478bd9Sstevel@tonic-gate if (NULL == (create_reg = (_devfsadm_create_reg_t *) 21097c478bd9Sstevel@tonic-gate dlsym(dlhandle, _DEVFSADM_CREATE_REG))) { 21107c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): symbol not found\n", epath, 21117c478bd9Sstevel@tonic-gate _DEVFSADM_CREATE_REG); 21127c478bd9Sstevel@tonic-gate } else { 21137c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sdlsym(%s, %s) succeeded\n", 21147c478bd9Sstevel@tonic-gate fcn, epath, _DEVFSADM_CREATE_REG); 21157c478bd9Sstevel@tonic-gate } 21167c478bd9Sstevel@tonic-gate 21177c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_remove_reg structure */ 2118aa646b9dSvikram if (NULL == (remove_reg = (_devfsadm_remove_reg_V1_t *) 21197c478bd9Sstevel@tonic-gate dlsym(dlhandle, _DEVFSADM_REMOVE_REG))) { 21207c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s,\n\t%s): symbol not found\n", 21217c478bd9Sstevel@tonic-gate epath, _DEVFSADM_REMOVE_REG); 21227c478bd9Sstevel@tonic-gate } else { 21237c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): succeeded\n", 21247c478bd9Sstevel@tonic-gate epath, _DEVFSADM_REMOVE_REG); 21257c478bd9Sstevel@tonic-gate } 21267c478bd9Sstevel@tonic-gate 21277c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "module %s loaded\n", epath); 21287c478bd9Sstevel@tonic-gate 21297c478bd9Sstevel@tonic-gate module = (module_t *)s_malloc(sizeof (module_t)); 21307c478bd9Sstevel@tonic-gate module->name = s_strdup(epath); 21317c478bd9Sstevel@tonic-gate module->dlhandle = dlhandle; 21327c478bd9Sstevel@tonic-gate 21337c478bd9Sstevel@tonic-gate /* dlsym other module functions, to be called later */ 21347c478bd9Sstevel@tonic-gate module->minor_fini = (int (*)())dlsym(dlhandle, MINOR_FINI); 21357c478bd9Sstevel@tonic-gate module->minor_init = (int (*)())dlsym(dlhandle, MINOR_INIT); 21367c478bd9Sstevel@tonic-gate module->flags = 0; 21377c478bd9Sstevel@tonic-gate 21387c478bd9Sstevel@tonic-gate /* 21397c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_create on "create_head" 21407c478bd9Sstevel@tonic-gate * list sorted in interpose_lvl. 21417c478bd9Sstevel@tonic-gate */ 21427c478bd9Sstevel@tonic-gate if (create_reg != NULL) { 21437c478bd9Sstevel@tonic-gate for (i = 0; i < create_reg->count; i++) { 21447c478bd9Sstevel@tonic-gate int flags = create_reg->tblp[i].flags; 21457c478bd9Sstevel@tonic-gate 21467c478bd9Sstevel@tonic-gate create_list_element = (create_list_t *) 21477c478bd9Sstevel@tonic-gate s_malloc(sizeof (create_list_t)); 21487c478bd9Sstevel@tonic-gate 21497c478bd9Sstevel@tonic-gate create_list_element->create = &(create_reg->tblp[i]); 21507c478bd9Sstevel@tonic-gate create_list_element->modptr = module; 21517c478bd9Sstevel@tonic-gate 21527c478bd9Sstevel@tonic-gate if (((flags & CREATE_MASK) != 0) && 21537c478bd9Sstevel@tonic-gate ((flags & CREATE_MASK) != CREATE_DEFER)) { 21547c478bd9Sstevel@tonic-gate free(create_list_element); 21557c478bd9Sstevel@tonic-gate err_print("illegal flag combination in " 21567c478bd9Sstevel@tonic-gate "module create\n"); 21577c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21587c478bd9Sstevel@tonic-gate continue; 21597c478bd9Sstevel@tonic-gate } 21607c478bd9Sstevel@tonic-gate 21617c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) == 0) ^ 21627c478bd9Sstevel@tonic-gate (create_reg->tblp[i].node_type == NULL)) { 21637c478bd9Sstevel@tonic-gate free(create_list_element); 21647c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 21657c478bd9Sstevel@tonic-gate "node_type value in module create\n"); 21667c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21677c478bd9Sstevel@tonic-gate continue; 21687c478bd9Sstevel@tonic-gate } 21697c478bd9Sstevel@tonic-gate 21707c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) != 0) && 21717c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_EXACT) && 21727c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_RE) && 21737c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_PARTIAL)) { 21747c478bd9Sstevel@tonic-gate free(create_list_element); 21757c478bd9Sstevel@tonic-gate err_print("illegal TYPE_* flag combination in " 21767c478bd9Sstevel@tonic-gate "module create\n"); 21777c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21787c478bd9Sstevel@tonic-gate continue; 21797c478bd9Sstevel@tonic-gate } 21807c478bd9Sstevel@tonic-gate 21817c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 21827c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 21837c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 21847c478bd9Sstevel@tonic-gate node_type_comp), 21857c478bd9Sstevel@tonic-gate create_reg->tblp[i].node_type, 21867c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 21877c478bd9Sstevel@tonic-gate free(create_list_element); 21887c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 21897c478bd9Sstevel@tonic-gate create_reg->tblp[i].node_type, 21907c478bd9Sstevel@tonic-gate n); 21917c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21927c478bd9Sstevel@tonic-gate continue; 21937c478bd9Sstevel@tonic-gate } 21947c478bd9Sstevel@tonic-gate } 21957c478bd9Sstevel@tonic-gate 21967c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) == 0) ^ 21977c478bd9Sstevel@tonic-gate (create_reg->tblp[i].drv_name == NULL)) { 21987c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 21997c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 22007c478bd9Sstevel@tonic-gate node_type_comp)); 22017c478bd9Sstevel@tonic-gate } 22027c478bd9Sstevel@tonic-gate free(create_list_element); 22037c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 22047c478bd9Sstevel@tonic-gate "drv_name value in module create\n"); 22057c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22067c478bd9Sstevel@tonic-gate continue; 22077c478bd9Sstevel@tonic-gate } 22087c478bd9Sstevel@tonic-gate 22097c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) != 0) && 22107c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_EXACT) && 22117c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_RE)) { 22127c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 22137c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 22147c478bd9Sstevel@tonic-gate node_type_comp)); 22157c478bd9Sstevel@tonic-gate } 22167c478bd9Sstevel@tonic-gate free(create_list_element); 22177c478bd9Sstevel@tonic-gate err_print("illegal DRV_* flag combination in " 22187c478bd9Sstevel@tonic-gate "module create\n"); 22197c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22207c478bd9Sstevel@tonic-gate continue; 22217c478bd9Sstevel@tonic-gate } 22227c478bd9Sstevel@tonic-gate 22237c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 22247c478bd9Sstevel@tonic-gate if ((create_reg->tblp[i].flags & DRV_RE) == DRV_RE) { 22257c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 22267c478bd9Sstevel@tonic-gate drv_name_comp), 22277c478bd9Sstevel@tonic-gate create_reg->tblp[i].drv_name, 22287c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 22297c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 22307c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 22317c478bd9Sstevel@tonic-gate node_type_comp)); 22327c478bd9Sstevel@tonic-gate } 22337c478bd9Sstevel@tonic-gate free(create_list_element); 22347c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 22357c478bd9Sstevel@tonic-gate create_reg->tblp[i].drv_name, 22367c478bd9Sstevel@tonic-gate n); 22377c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22387c478bd9Sstevel@tonic-gate continue; 22397c478bd9Sstevel@tonic-gate } 22407c478bd9Sstevel@tonic-gate } 22417c478bd9Sstevel@tonic-gate 22427c478bd9Sstevel@tonic-gate 22437c478bd9Sstevel@tonic-gate /* add to list sorted by interpose level */ 22447c478bd9Sstevel@tonic-gate for (create_list_next = &(create_head); 22457c478bd9Sstevel@tonic-gate (*create_list_next != NULL) && 22467c478bd9Sstevel@tonic-gate (*create_list_next)->create->interpose_lvl >= 22477c478bd9Sstevel@tonic-gate create_list_element->create->interpose_lvl; 22487c478bd9Sstevel@tonic-gate create_list_next = 22497c478bd9Sstevel@tonic-gate &((*create_list_next)->next)); 22507c478bd9Sstevel@tonic-gate create_list_element->next = *create_list_next; 22517c478bd9Sstevel@tonic-gate *create_list_next = create_list_element; 22527c478bd9Sstevel@tonic-gate } 22537c478bd9Sstevel@tonic-gate } 22547c478bd9Sstevel@tonic-gate 22557c478bd9Sstevel@tonic-gate /* 22567c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_remove on "remove_head" 22577c478bd9Sstevel@tonic-gate * list sorted by interpose_lvl. 22587c478bd9Sstevel@tonic-gate */ 2259aa646b9dSvikram flags = 0; 22607c478bd9Sstevel@tonic-gate if (remove_reg != NULL) { 2261aa646b9dSvikram if (remove_reg->version < DEVFSADM_V1) 2262aa646b9dSvikram flags |= RM_NOINTERPOSE; 22637c478bd9Sstevel@tonic-gate for (i = 0; i < remove_reg->count; i++) { 22647c478bd9Sstevel@tonic-gate 22657c478bd9Sstevel@tonic-gate remove_list_element = (remove_list_t *) 22667c478bd9Sstevel@tonic-gate s_malloc(sizeof (remove_list_t)); 22677c478bd9Sstevel@tonic-gate 22687c478bd9Sstevel@tonic-gate remove_list_element->remove = &(remove_reg->tblp[i]); 2269aa646b9dSvikram remove_list_element->remove->flags |= flags; 22707c478bd9Sstevel@tonic-gate remove_list_element->modptr = module; 22717c478bd9Sstevel@tonic-gate 22727c478bd9Sstevel@tonic-gate for (remove_list_next = &(remove_head); 22737c478bd9Sstevel@tonic-gate (*remove_list_next != NULL) && 22747c478bd9Sstevel@tonic-gate (*remove_list_next)->remove->interpose_lvl >= 22757c478bd9Sstevel@tonic-gate remove_list_element->remove->interpose_lvl; 22767c478bd9Sstevel@tonic-gate remove_list_next = 22777c478bd9Sstevel@tonic-gate &((*remove_list_next)->next)); 22787c478bd9Sstevel@tonic-gate remove_list_element->next = *remove_list_next; 22797c478bd9Sstevel@tonic-gate *remove_list_next = remove_list_element; 22807c478bd9Sstevel@tonic-gate } 22817c478bd9Sstevel@tonic-gate } 22827c478bd9Sstevel@tonic-gate 22837c478bd9Sstevel@tonic-gate module->next = module_head; 22847c478bd9Sstevel@tonic-gate module_head = module; 22857c478bd9Sstevel@tonic-gate } 22867c478bd9Sstevel@tonic-gate 22877c478bd9Sstevel@tonic-gate /* 2288*ff2aee48Scth * After we have completed a CACHE_STATE, if a SYNC_STATE does not occur 2289*ff2aee48Scth * within 'timeout' secs the minor_fini_thread needs to do a SYNC_STATE 2290*ff2aee48Scth * so that we still call the minor_fini routines. 22917c478bd9Sstevel@tonic-gate */ 22927c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 22937c478bd9Sstevel@tonic-gate static void 2294*ff2aee48Scth minor_fini_thread(void *arg) 22957c478bd9Sstevel@tonic-gate { 2296*ff2aee48Scth timestruc_t abstime; 22977c478bd9Sstevel@tonic-gate 2298*ff2aee48Scth vprint(INITFINI_MID, "minor_fini_thread starting\n"); 22997c478bd9Sstevel@tonic-gate 2300*ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 2301*ff2aee48Scth for (;;) { 2302*ff2aee48Scth /* wait the gather period, or until signaled */ 2303*ff2aee48Scth abstime.tv_sec = time(NULL) + minor_fini_timeout; 2304*ff2aee48Scth abstime.tv_nsec = 0; 2305*ff2aee48Scth (void) cond_timedwait(&minor_fini_cv, 2306*ff2aee48Scth &minor_fini_mutex, &abstime); 2307*ff2aee48Scth 2308*ff2aee48Scth /* if minor_fini was canceled, go wait again */ 2309*ff2aee48Scth if (minor_fini_canceled == TRUE) 2310*ff2aee48Scth continue; 23117c478bd9Sstevel@tonic-gate 2312*ff2aee48Scth /* if minor_fini was delayed, go wait again */ 2313*ff2aee48Scth if (minor_fini_delayed == TRUE) { 2314*ff2aee48Scth minor_fini_delayed = FALSE; 2315*ff2aee48Scth continue; 2316*ff2aee48Scth } 23177c478bd9Sstevel@tonic-gate 2318*ff2aee48Scth /* done with cancellations and delays, do the SYNC_STATE */ 23197c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 23207c478bd9Sstevel@tonic-gate 2321*ff2aee48Scth lock_dev(); 2322*ff2aee48Scth unlock_dev(SYNC_STATE); 2323*ff2aee48Scth vprint(INITFINI_MID, "minor_fini sync done\n"); 23247c478bd9Sstevel@tonic-gate 2325*ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 2326*ff2aee48Scth minor_fini_canceled = TRUE; 2327*ff2aee48Scth minor_fini_delayed = FALSE; 2328*ff2aee48Scth } 23297c478bd9Sstevel@tonic-gate } 23307c478bd9Sstevel@tonic-gate 2331*ff2aee48Scth 23327c478bd9Sstevel@tonic-gate /* 23337c478bd9Sstevel@tonic-gate * Attempt to initialize module, if a minor_init routine exists. Set 23347c478bd9Sstevel@tonic-gate * the active flag if the routine exists and succeeds. If it doesn't 23357c478bd9Sstevel@tonic-gate * exist, just set the active flag. 23367c478bd9Sstevel@tonic-gate */ 23377c478bd9Sstevel@tonic-gate static int 23387c478bd9Sstevel@tonic-gate call_minor_init(module_t *module) 23397c478bd9Sstevel@tonic-gate { 23407c478bd9Sstevel@tonic-gate char *fcn = "call_minor_init: "; 23417c478bd9Sstevel@tonic-gate 23427c478bd9Sstevel@tonic-gate if ((module->flags & MODULE_ACTIVE) == MODULE_ACTIVE) { 23437c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 23447c478bd9Sstevel@tonic-gate } 23457c478bd9Sstevel@tonic-gate 23467c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "%smodule %s. current state: inactive\n", 23477c478bd9Sstevel@tonic-gate fcn, module->name); 23487c478bd9Sstevel@tonic-gate 23497c478bd9Sstevel@tonic-gate if (module->minor_init == NULL) { 23507c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 23517c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init not defined\n"); 23527c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 23537c478bd9Sstevel@tonic-gate } 23547c478bd9Sstevel@tonic-gate 23557c478bd9Sstevel@tonic-gate if ((*(module->minor_init))() == DEVFSADM_FAILURE) { 23567c478bd9Sstevel@tonic-gate err_print(FAILED_FOR_MODULE, MINOR_INIT, module->name); 23577c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 23587c478bd9Sstevel@tonic-gate } 23597c478bd9Sstevel@tonic-gate 23607c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init() returns DEVFSADM_SUCCESS. " 23617c478bd9Sstevel@tonic-gate "new state: active\n"); 23627c478bd9Sstevel@tonic-gate 23637c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 23647c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 23657c478bd9Sstevel@tonic-gate } 23667c478bd9Sstevel@tonic-gate 23677c478bd9Sstevel@tonic-gate /* 23687c478bd9Sstevel@tonic-gate * Creates a symlink 'link' to the physical path of node:minor. 23697c478bd9Sstevel@tonic-gate * Construct link contents, then call create_link_common(). 23707c478bd9Sstevel@tonic-gate */ 23717c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 23727c478bd9Sstevel@tonic-gate int 2373facf4a8dSllai devfsadm_mklink(char *link, di_node_t node, di_minor_t minor, int flags) 23747c478bd9Sstevel@tonic-gate { 23757c478bd9Sstevel@tonic-gate char rcontents[PATH_MAX]; 23767c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 23777c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX]; 23787c478bd9Sstevel@tonic-gate char *acontents; 23797c478bd9Sstevel@tonic-gate char *dev_path; 23807c478bd9Sstevel@tonic-gate int numslashes; 23817c478bd9Sstevel@tonic-gate int rv; 23827c478bd9Sstevel@tonic-gate int i, link_exists; 23837c478bd9Sstevel@tonic-gate int last_was_slash = FALSE; 23847c478bd9Sstevel@tonic-gate 23857c478bd9Sstevel@tonic-gate /* 23867c478bd9Sstevel@tonic-gate * try to use devices path 23877c478bd9Sstevel@tonic-gate */ 23887c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 23897c478bd9Sstevel@tonic-gate acontents = lphy_path; 23907c478bd9Sstevel@tonic-gate } else if (di_minor_type(minor) == DDM_ALIAS) { 23917c478bd9Sstevel@tonic-gate /* use /pseudo/clone@0:<driver> as the phys path */ 23927c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), 23937c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", 23947c478bd9Sstevel@tonic-gate di_driver_name(di_minor_devinfo(minor))); 23957c478bd9Sstevel@tonic-gate acontents = phy_path; 23967c478bd9Sstevel@tonic-gate } else { 23977c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 23987c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 23997c478bd9Sstevel@tonic-gate devfsadm_exit(1); 24007c478bd9Sstevel@tonic-gate } 24017c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), "%s:%s", 24027c478bd9Sstevel@tonic-gate dev_path, di_minor_name(minor)); 24037c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 24047c478bd9Sstevel@tonic-gate acontents = phy_path; 24057c478bd9Sstevel@tonic-gate } 24067c478bd9Sstevel@tonic-gate 24077c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 24087c478bd9Sstevel@tonic-gate (void) strlcpy(devlink, dev_dir, sizeof (devlink)); 24097c478bd9Sstevel@tonic-gate (void) strlcat(devlink, "/", sizeof (devlink)); 24107c478bd9Sstevel@tonic-gate (void) strlcat(devlink, link, sizeof (devlink)); 24117c478bd9Sstevel@tonic-gate 24127c478bd9Sstevel@tonic-gate /* 24137c478bd9Sstevel@tonic-gate * Calculate # of ../ to add. Account for double '//' in path. 24147c478bd9Sstevel@tonic-gate * Ignore all leading slashes. 24157c478bd9Sstevel@tonic-gate */ 24167c478bd9Sstevel@tonic-gate for (i = 0; link[i] == '/'; i++) 24177c478bd9Sstevel@tonic-gate ; 24187c478bd9Sstevel@tonic-gate for (numslashes = 0; link[i] != '\0'; i++) { 24197c478bd9Sstevel@tonic-gate if (link[i] == '/') { 24207c478bd9Sstevel@tonic-gate if (last_was_slash == FALSE) { 24217c478bd9Sstevel@tonic-gate numslashes++; 24227c478bd9Sstevel@tonic-gate last_was_slash = TRUE; 24237c478bd9Sstevel@tonic-gate } 24247c478bd9Sstevel@tonic-gate } else { 24257c478bd9Sstevel@tonic-gate last_was_slash = FALSE; 24267c478bd9Sstevel@tonic-gate } 24277c478bd9Sstevel@tonic-gate } 24287c478bd9Sstevel@tonic-gate /* Don't count any trailing '/' */ 24297c478bd9Sstevel@tonic-gate if (link[i-1] == '/') { 24307c478bd9Sstevel@tonic-gate numslashes--; 24317c478bd9Sstevel@tonic-gate } 24327c478bd9Sstevel@tonic-gate 24337c478bd9Sstevel@tonic-gate rcontents[0] = '\0'; 24347c478bd9Sstevel@tonic-gate do { 24357c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "../", sizeof (rcontents)); 24367c478bd9Sstevel@tonic-gate } while (numslashes-- != 0); 24377c478bd9Sstevel@tonic-gate 24387c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "devices", sizeof (rcontents)); 24397c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, acontents, sizeof (rcontents)); 24407c478bd9Sstevel@tonic-gate 24417c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 24427c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding link %s ==> %s\n", devlink, rcontents); 24437c478bd9Sstevel@tonic-gate } 24447c478bd9Sstevel@tonic-gate 24457c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, rcontents, &link_exists)) 24467c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 24477c478bd9Sstevel@tonic-gate linknew = TRUE; 24487c478bd9Sstevel@tonic-gate add_link_to_cache(link, acontents); 244945916cd2Sjpk if (system_labeled && (flags & DA_ADD)) { 245045916cd2Sjpk /* 245145916cd2Sjpk * Add this device to the list of allocatable devices. 245245916cd2Sjpk */ 245345916cd2Sjpk int instance = di_instance(node); 245445916cd2Sjpk 245545916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, flags); 245645916cd2Sjpk update_devdb = flags; 245745916cd2Sjpk } 24587c478bd9Sstevel@tonic-gate } else { 24597c478bd9Sstevel@tonic-gate linknew = FALSE; 24607c478bd9Sstevel@tonic-gate } 24617c478bd9Sstevel@tonic-gate 24627c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 246345916cd2Sjpk if (system_labeled && (flags & DA_CD)) { 246445916cd2Sjpk /* 246545916cd2Sjpk * if this is a removable disk, add it 246645916cd2Sjpk * as that to device allocation database. 246745916cd2Sjpk */ 246845916cd2Sjpk if (_da_check_for_usb(devlink, root_dir) == 1) { 246945916cd2Sjpk int instance = di_instance(node); 247045916cd2Sjpk 247145916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, 247245916cd2Sjpk DA_ADD|DA_RMDISK); 247345916cd2Sjpk update_devdb = DA_RMDISK; 247445916cd2Sjpk } 247545916cd2Sjpk } 24767c478bd9Sstevel@tonic-gate /* Link exists or was just created */ 24777c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, rcontents, 24787c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK); 24797c478bd9Sstevel@tonic-gate } 24807c478bd9Sstevel@tonic-gate 24817c478bd9Sstevel@tonic-gate return (rv); 24827c478bd9Sstevel@tonic-gate } 24837c478bd9Sstevel@tonic-gate 24847c478bd9Sstevel@tonic-gate /* 24857c478bd9Sstevel@tonic-gate * Creates a symlink link to primary_link. Calculates relative 24867c478bd9Sstevel@tonic-gate * directory offsets, then calls link_common(). 24877c478bd9Sstevel@tonic-gate */ 24887c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 24897c478bd9Sstevel@tonic-gate int 24907c478bd9Sstevel@tonic-gate devfsadm_secondary_link(char *link, char *primary_link, int flags) 24917c478bd9Sstevel@tonic-gate { 24927c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 24937c478bd9Sstevel@tonic-gate char devlink[PATH_MAX + 1]; 24947c478bd9Sstevel@tonic-gate int rv, link_exists; 24957c478bd9Sstevel@tonic-gate char *fpath; 24967c478bd9Sstevel@tonic-gate char *tpath; 24977c478bd9Sstevel@tonic-gate char *op; 24987c478bd9Sstevel@tonic-gate 24997c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 25007c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 25017c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 25027c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 25037c478bd9Sstevel@tonic-gate /* 25047c478bd9Sstevel@tonic-gate * building extra link, so use first link as link contents, but first 25057c478bd9Sstevel@tonic-gate * make it relative. 25067c478bd9Sstevel@tonic-gate */ 25077c478bd9Sstevel@tonic-gate fpath = link; 25087c478bd9Sstevel@tonic-gate tpath = primary_link; 25097c478bd9Sstevel@tonic-gate op = contents; 25107c478bd9Sstevel@tonic-gate 25117c478bd9Sstevel@tonic-gate while (*fpath == *tpath && *fpath != '\0') { 25127c478bd9Sstevel@tonic-gate fpath++, tpath++; 25137c478bd9Sstevel@tonic-gate } 25147c478bd9Sstevel@tonic-gate 25157c478bd9Sstevel@tonic-gate /* Count directories to go up, if any, and add "../" */ 25167c478bd9Sstevel@tonic-gate while (*fpath != '\0') { 25177c478bd9Sstevel@tonic-gate if (*fpath == '/') { 25187c478bd9Sstevel@tonic-gate (void) strcpy(op, "../"); 25197c478bd9Sstevel@tonic-gate op += 3; 25207c478bd9Sstevel@tonic-gate } 25217c478bd9Sstevel@tonic-gate fpath++; 25227c478bd9Sstevel@tonic-gate } 25237c478bd9Sstevel@tonic-gate 25247c478bd9Sstevel@tonic-gate /* 25257c478bd9Sstevel@tonic-gate * Back up to the start of the current path component, in 25267c478bd9Sstevel@tonic-gate * case in the middle 25277c478bd9Sstevel@tonic-gate */ 25287c478bd9Sstevel@tonic-gate while (tpath != primary_link && *(tpath-1) != '/') { 25297c478bd9Sstevel@tonic-gate tpath--; 25307c478bd9Sstevel@tonic-gate } 25317c478bd9Sstevel@tonic-gate (void) strcpy(op, tpath); 25327c478bd9Sstevel@tonic-gate 25337c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 25347c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding extra link %s ==> %s\n", 25357c478bd9Sstevel@tonic-gate devlink, contents); 25367c478bd9Sstevel@tonic-gate } 25377c478bd9Sstevel@tonic-gate 25387c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, contents, &link_exists)) 25397c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 25407c478bd9Sstevel@tonic-gate /* 25417c478bd9Sstevel@tonic-gate * we need to save the ultimate /devices contents, and not the 25427c478bd9Sstevel@tonic-gate * secondary link, since hotcleanup only looks at /devices path. 25437c478bd9Sstevel@tonic-gate * Since we don't have devices path here, we can try to get it 25447c478bd9Sstevel@tonic-gate * by readlink'ing the secondary link. This assumes the primary 25457c478bd9Sstevel@tonic-gate * link was created first. 25467c478bd9Sstevel@tonic-gate */ 25477c478bd9Sstevel@tonic-gate add_link_to_cache(link, lphy_path); 25487c478bd9Sstevel@tonic-gate linknew = TRUE; 254945916cd2Sjpk if (system_labeled && 255045916cd2Sjpk ((flags & DA_AUDIO) && (flags & DA_ADD))) { 255145916cd2Sjpk /* 255245916cd2Sjpk * Add this device to the list of allocatable devices. 255345916cd2Sjpk */ 255445916cd2Sjpk int instance = 0; 255545916cd2Sjpk 255645916cd2Sjpk op = strrchr(contents, '/'); 255745916cd2Sjpk op++; 255845916cd2Sjpk (void) sscanf(op, "%d", &instance); 255945916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, flags); 256045916cd2Sjpk update_devdb = flags; 256145916cd2Sjpk } 25627c478bd9Sstevel@tonic-gate } else { 25637c478bd9Sstevel@tonic-gate linknew = FALSE; 25647c478bd9Sstevel@tonic-gate } 25657c478bd9Sstevel@tonic-gate 25667c478bd9Sstevel@tonic-gate /* 25677c478bd9Sstevel@tonic-gate * If link exists or was just created, add it to the database 25687c478bd9Sstevel@tonic-gate */ 25697c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 25707c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, 25717c478bd9Sstevel@tonic-gate DI_SECONDARY_LINK); 25727c478bd9Sstevel@tonic-gate } 25737c478bd9Sstevel@tonic-gate 25747c478bd9Sstevel@tonic-gate return (rv); 25757c478bd9Sstevel@tonic-gate } 25767c478bd9Sstevel@tonic-gate 25777c478bd9Sstevel@tonic-gate /* returns pointer to the devices directory */ 25787c478bd9Sstevel@tonic-gate char * 25797c478bd9Sstevel@tonic-gate devfsadm_get_devices_dir() 25807c478bd9Sstevel@tonic-gate { 25817c478bd9Sstevel@tonic-gate return (devices_dir); 25827c478bd9Sstevel@tonic-gate } 25837c478bd9Sstevel@tonic-gate 25847c478bd9Sstevel@tonic-gate /* 25857c478bd9Sstevel@tonic-gate * Does the actual link creation. VERBOSE_MID only used if there is 25867c478bd9Sstevel@tonic-gate * a change. CHATTY_MID used otherwise. 25877c478bd9Sstevel@tonic-gate */ 25887c478bd9Sstevel@tonic-gate static int 25897c478bd9Sstevel@tonic-gate create_link_common(char *devlink, char *contents, int *exists) 25907c478bd9Sstevel@tonic-gate { 25917c478bd9Sstevel@tonic-gate int try; 25927c478bd9Sstevel@tonic-gate int linksize; 25937c478bd9Sstevel@tonic-gate int max_tries = 0; 25947c478bd9Sstevel@tonic-gate static int prev_link_existed = TRUE; 25957c478bd9Sstevel@tonic-gate char checkcontents[PATH_MAX + 1]; 25967c478bd9Sstevel@tonic-gate char *hide; 25977c478bd9Sstevel@tonic-gate 25987c478bd9Sstevel@tonic-gate *exists = FALSE; 25997c478bd9Sstevel@tonic-gate 26007c478bd9Sstevel@tonic-gate /* Database is not updated when file_mods == FALSE */ 26017c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 26027c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 26037c478bd9Sstevel@tonic-gate if (linksize > 0) { 26047c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 26057c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 26067c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, REMOVING_LINK, 26077c478bd9Sstevel@tonic-gate devlink, checkcontents); 26087c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26097c478bd9Sstevel@tonic-gate } else { 26107c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "link exists and is correct:" 26117c478bd9Sstevel@tonic-gate " %s -> %s\n", devlink, contents); 26127c478bd9Sstevel@tonic-gate /* failure only in that the link existed */ 26137c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 26147c478bd9Sstevel@tonic-gate } 26157c478bd9Sstevel@tonic-gate } else { 26167c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, contents); 26177c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26187c478bd9Sstevel@tonic-gate } 26197c478bd9Sstevel@tonic-gate } 26207c478bd9Sstevel@tonic-gate 26217c478bd9Sstevel@tonic-gate /* 26227c478bd9Sstevel@tonic-gate * systems calls are expensive, so predict whether to readlink 26237c478bd9Sstevel@tonic-gate * or symlink first, based on previous attempt 26247c478bd9Sstevel@tonic-gate */ 26257c478bd9Sstevel@tonic-gate if (prev_link_existed == FALSE) { 26267c478bd9Sstevel@tonic-gate try = CREATE_LINK; 26277c478bd9Sstevel@tonic-gate } else { 26287c478bd9Sstevel@tonic-gate try = READ_LINK; 26297c478bd9Sstevel@tonic-gate } 26307c478bd9Sstevel@tonic-gate 26317c478bd9Sstevel@tonic-gate while (++max_tries <= 3) { 26327c478bd9Sstevel@tonic-gate 26337c478bd9Sstevel@tonic-gate switch (try) { 26347c478bd9Sstevel@tonic-gate case CREATE_LINK: 26357c478bd9Sstevel@tonic-gate 26367c478bd9Sstevel@tonic-gate if (symlink(contents, devlink) == 0) { 26377c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, 26387c478bd9Sstevel@tonic-gate contents); 26397c478bd9Sstevel@tonic-gate prev_link_existed = FALSE; 26407c478bd9Sstevel@tonic-gate /* link successfully created */ 26417c478bd9Sstevel@tonic-gate *exists = TRUE; 26427c478bd9Sstevel@tonic-gate set_logindev_perms(devlink); 26437c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26447c478bd9Sstevel@tonic-gate } else { 26457c478bd9Sstevel@tonic-gate switch (errno) { 26467c478bd9Sstevel@tonic-gate 26477c478bd9Sstevel@tonic-gate case ENOENT: 26487c478bd9Sstevel@tonic-gate /* dirpath to node doesn't exist */ 26497c478bd9Sstevel@tonic-gate hide = strrchr(devlink, '/'); 26507c478bd9Sstevel@tonic-gate *hide = '\0'; 26517c478bd9Sstevel@tonic-gate s_mkdirp(devlink, S_IRWXU|S_IRGRP| 26527c478bd9Sstevel@tonic-gate S_IXGRP|S_IROTH|S_IXOTH); 26537c478bd9Sstevel@tonic-gate *hide = '/'; 26547c478bd9Sstevel@tonic-gate break; 26557c478bd9Sstevel@tonic-gate case EEXIST: 26567c478bd9Sstevel@tonic-gate try = READ_LINK; 26577c478bd9Sstevel@tonic-gate break; 26587c478bd9Sstevel@tonic-gate default: 26597c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, devlink, 26607c478bd9Sstevel@tonic-gate contents, strerror(errno)); 26617c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 26627c478bd9Sstevel@tonic-gate } 26637c478bd9Sstevel@tonic-gate } 26647c478bd9Sstevel@tonic-gate break; 26657c478bd9Sstevel@tonic-gate 26667c478bd9Sstevel@tonic-gate case READ_LINK: 26677c478bd9Sstevel@tonic-gate 26687c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 26697c478bd9Sstevel@tonic-gate if (linksize >= 0) { 26707c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 26717c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 26727c478bd9Sstevel@tonic-gate s_unlink(devlink); 26737c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, REMOVING_LINK, 26747c478bd9Sstevel@tonic-gate devlink, checkcontents); 26757c478bd9Sstevel@tonic-gate try = CREATE_LINK; 26767c478bd9Sstevel@tonic-gate } else { 26777c478bd9Sstevel@tonic-gate prev_link_existed = TRUE; 26787c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, 26797c478bd9Sstevel@tonic-gate "link exists and is correct:" 26807c478bd9Sstevel@tonic-gate " %s -> %s\n", devlink, 26817c478bd9Sstevel@tonic-gate contents); 26827c478bd9Sstevel@tonic-gate *exists = TRUE; 26837c478bd9Sstevel@tonic-gate /* failure in that the link existed */ 26847c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 26857c478bd9Sstevel@tonic-gate } 26867c478bd9Sstevel@tonic-gate } else { 26877c478bd9Sstevel@tonic-gate switch (errno) { 26887c478bd9Sstevel@tonic-gate case EINVAL: 26897c478bd9Sstevel@tonic-gate /* not a symlink, remove and create */ 26907c478bd9Sstevel@tonic-gate s_unlink(devlink); 26917c478bd9Sstevel@tonic-gate default: 26927c478bd9Sstevel@tonic-gate /* maybe it didn't exist at all */ 26937c478bd9Sstevel@tonic-gate try = CREATE_LINK; 26947c478bd9Sstevel@tonic-gate break; 26957c478bd9Sstevel@tonic-gate } 26967c478bd9Sstevel@tonic-gate } 26977c478bd9Sstevel@tonic-gate break; 26987c478bd9Sstevel@tonic-gate } 26997c478bd9Sstevel@tonic-gate } 27007c478bd9Sstevel@tonic-gate err_print(MAX_ATTEMPTS, devlink, contents); 27017c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 27027c478bd9Sstevel@tonic-gate } 27037c478bd9Sstevel@tonic-gate 27047c478bd9Sstevel@tonic-gate static void 27057c478bd9Sstevel@tonic-gate set_logindev_perms(char *devlink) 27067c478bd9Sstevel@tonic-gate { 27077c478bd9Sstevel@tonic-gate struct login_dev *newdev; 27087c478bd9Sstevel@tonic-gate struct passwd pwd, *resp; 27097c478bd9Sstevel@tonic-gate char pwd_buf[PATH_MAX]; 27107c478bd9Sstevel@tonic-gate int rv; 27117c478bd9Sstevel@tonic-gate struct stat sb; 27127c478bd9Sstevel@tonic-gate char *devfs_path = NULL; 27137c478bd9Sstevel@tonic-gate 27147c478bd9Sstevel@tonic-gate /* 27157c478bd9Sstevel@tonic-gate * We only want logindev perms to be set when a device is 27167c478bd9Sstevel@tonic-gate * hotplugged or an application requests synchronous creates. 27177c478bd9Sstevel@tonic-gate * So we enable this only in daemon mode. In addition, 27187c478bd9Sstevel@tonic-gate * login(1) only fixes the std. /dev dir. So we don't 27197c478bd9Sstevel@tonic-gate * change perms if alternate root is set. 27207c478bd9Sstevel@tonic-gate * login_dev_enable is TRUE only in these cases. 27217c478bd9Sstevel@tonic-gate */ 27227c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 27237c478bd9Sstevel@tonic-gate return; 27247c478bd9Sstevel@tonic-gate 27257c478bd9Sstevel@tonic-gate /* 27267c478bd9Sstevel@tonic-gate * Normally, /etc/logindevperm has few (8 - 10 entries) which 27277c478bd9Sstevel@tonic-gate * may be regular expressions (globs were converted to RE). 27287c478bd9Sstevel@tonic-gate * So just do a linear search through the list. 27297c478bd9Sstevel@tonic-gate */ 27307c478bd9Sstevel@tonic-gate for (newdev = login_dev_cache; newdev; newdev = newdev->ldev_next) { 27317c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matching %s with %s\n", devlink, 27327c478bd9Sstevel@tonic-gate newdev->ldev_device); 27337c478bd9Sstevel@tonic-gate 27347c478bd9Sstevel@tonic-gate if (regexec(&newdev->ldev_device_regex, devlink, 0, 27357c478bd9Sstevel@tonic-gate NULL, 0) == 0) { 27367c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matched %s with %s\n", devlink, 27377c478bd9Sstevel@tonic-gate newdev->ldev_device); 27387c478bd9Sstevel@tonic-gate break; 27397c478bd9Sstevel@tonic-gate } 27407c478bd9Sstevel@tonic-gate } 27417c478bd9Sstevel@tonic-gate 27427c478bd9Sstevel@tonic-gate if (newdev == NULL) 27437c478bd9Sstevel@tonic-gate return; 27447c478bd9Sstevel@tonic-gate 27457c478bd9Sstevel@tonic-gate /* 27467c478bd9Sstevel@tonic-gate * we have a match, now find the driver associated with this 27477c478bd9Sstevel@tonic-gate * minor node using a snapshot on the physical path 27487c478bd9Sstevel@tonic-gate */ 27497c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, &devfs_path, 0); 27507c478bd9Sstevel@tonic-gate if (devfs_path) { 27517c478bd9Sstevel@tonic-gate di_node_t node; 27527c478bd9Sstevel@tonic-gate char *drv = NULL; 27537c478bd9Sstevel@tonic-gate struct driver_list *list; 27547c478bd9Sstevel@tonic-gate char *p; 27557c478bd9Sstevel@tonic-gate 27567c478bd9Sstevel@tonic-gate /* truncate on : so we can take a snapshot */ 27577c478bd9Sstevel@tonic-gate (void) strcpy(pwd_buf, devfs_path); 27587c478bd9Sstevel@tonic-gate p = strrchr(pwd_buf, ':'); 27597c478bd9Sstevel@tonic-gate if (p == NULL) { 27607c478bd9Sstevel@tonic-gate free(devfs_path); 27617c478bd9Sstevel@tonic-gate return; 27627c478bd9Sstevel@tonic-gate } 27637c478bd9Sstevel@tonic-gate *p = '\0'; 27647c478bd9Sstevel@tonic-gate 27657c478bd9Sstevel@tonic-gate vprint(FILES_MID, "link=%s->physpath=%s\n", 27667c478bd9Sstevel@tonic-gate devlink, pwd_buf); 27677c478bd9Sstevel@tonic-gate 27687c478bd9Sstevel@tonic-gate node = di_init(pwd_buf, DINFOMINOR); 27697c478bd9Sstevel@tonic-gate 27707c478bd9Sstevel@tonic-gate if (node) { 27717c478bd9Sstevel@tonic-gate drv = di_driver_name(node); 27727c478bd9Sstevel@tonic-gate 27737c478bd9Sstevel@tonic-gate if (drv) { 27747c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s: driver is %s\n", 27757c478bd9Sstevel@tonic-gate devlink, drv); 27767c478bd9Sstevel@tonic-gate } 27777c478bd9Sstevel@tonic-gate di_fini(node); 27787c478bd9Sstevel@tonic-gate } 27797c478bd9Sstevel@tonic-gate /* search thru the driver list specified in logindevperm */ 27807c478bd9Sstevel@tonic-gate list = newdev->ldev_driver_list; 27817c478bd9Sstevel@tonic-gate if ((drv != NULL) && (list != NULL)) { 27827c478bd9Sstevel@tonic-gate while (list) { 27837c478bd9Sstevel@tonic-gate if (strcmp(list->driver_name, 27847c478bd9Sstevel@tonic-gate drv) == 0) { 27857c478bd9Sstevel@tonic-gate vprint(FILES_MID, 27867c478bd9Sstevel@tonic-gate "driver %s match!\n", drv); 27877c478bd9Sstevel@tonic-gate break; 27887c478bd9Sstevel@tonic-gate } 27897c478bd9Sstevel@tonic-gate list = list->next; 27907c478bd9Sstevel@tonic-gate } 27917c478bd9Sstevel@tonic-gate if (list == NULL) { 27927c478bd9Sstevel@tonic-gate vprint(FILES_MID, "no driver match!\n"); 27937c478bd9Sstevel@tonic-gate free(devfs_path); 27947c478bd9Sstevel@tonic-gate return; 27957c478bd9Sstevel@tonic-gate } 27967c478bd9Sstevel@tonic-gate } 27977c478bd9Sstevel@tonic-gate free(devfs_path); 27987c478bd9Sstevel@tonic-gate } else { 27997c478bd9Sstevel@tonic-gate return; 28007c478bd9Sstevel@tonic-gate } 28017c478bd9Sstevel@tonic-gate 28027c478bd9Sstevel@tonic-gate vprint(FILES_MID, "changing permissions of %s\n", devlink); 28037c478bd9Sstevel@tonic-gate 28047c478bd9Sstevel@tonic-gate /* 28057c478bd9Sstevel@tonic-gate * We have a match. We now attempt to determine the 28067c478bd9Sstevel@tonic-gate * owner and group of the console user. 28077c478bd9Sstevel@tonic-gate * 28087c478bd9Sstevel@tonic-gate * stat() the console device newdev->ldev_console 28097c478bd9Sstevel@tonic-gate * which will always exist - it will have the right owner but 28107c478bd9Sstevel@tonic-gate * not the right group. Use getpwuid_r() to determine group for this 28117c478bd9Sstevel@tonic-gate * uid. 28127c478bd9Sstevel@tonic-gate * Note, it is safe to use name service here since if name services 28137c478bd9Sstevel@tonic-gate * are not available (during boot or in single-user mode), then 28147c478bd9Sstevel@tonic-gate * console owner will be root and its gid can be found in 28157c478bd9Sstevel@tonic-gate * local files. 28167c478bd9Sstevel@tonic-gate */ 28177c478bd9Sstevel@tonic-gate if (stat(newdev->ldev_console, &sb) == -1) { 28187c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, STAT_FAILED, newdev->ldev_console, 28197c478bd9Sstevel@tonic-gate strerror(errno)); 28207c478bd9Sstevel@tonic-gate return; 28217c478bd9Sstevel@tonic-gate } 28227c478bd9Sstevel@tonic-gate 28237c478bd9Sstevel@tonic-gate resp = NULL; 28247c478bd9Sstevel@tonic-gate rv = getpwuid_r(sb.st_uid, &pwd, pwd_buf, sizeof (pwd_buf), &resp); 28257c478bd9Sstevel@tonic-gate if (rv || resp == NULL) { 28267c478bd9Sstevel@tonic-gate rv = rv ? rv : EINVAL; 28277c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, GID_FAILED, sb.st_uid, 28287c478bd9Sstevel@tonic-gate strerror(rv)); 28297c478bd9Sstevel@tonic-gate return; 28307c478bd9Sstevel@tonic-gate } 28317c478bd9Sstevel@tonic-gate 28327c478bd9Sstevel@tonic-gate assert(&pwd == resp); 28337c478bd9Sstevel@tonic-gate 28347c478bd9Sstevel@tonic-gate sb.st_gid = resp->pw_gid; 28357c478bd9Sstevel@tonic-gate 28367c478bd9Sstevel@tonic-gate if (chmod(devlink, newdev->ldev_perms) == -1) { 28377c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, devlink, 28387c478bd9Sstevel@tonic-gate strerror(errno)); 28397c478bd9Sstevel@tonic-gate return; 28407c478bd9Sstevel@tonic-gate } 28417c478bd9Sstevel@tonic-gate 28427c478bd9Sstevel@tonic-gate if (chown(devlink, sb.st_uid, sb.st_gid) == -1) { 28437c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, devlink, 28447c478bd9Sstevel@tonic-gate strerror(errno)); 28457c478bd9Sstevel@tonic-gate } 28467c478bd9Sstevel@tonic-gate } 28477c478bd9Sstevel@tonic-gate 28487c478bd9Sstevel@tonic-gate /* 28497c478bd9Sstevel@tonic-gate * Reset /devices node with appropriate permissions and 28507c478bd9Sstevel@tonic-gate * ownership as specified in /etc/minor_perm. 28517c478bd9Sstevel@tonic-gate */ 28527c478bd9Sstevel@tonic-gate static void 28537c478bd9Sstevel@tonic-gate reset_node_permissions(di_node_t node, di_minor_t minor) 28547c478bd9Sstevel@tonic-gate { 285545916cd2Sjpk int devalloc_is_on = 0; 28567c478bd9Sstevel@tonic-gate int spectype; 28577c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 28587c478bd9Sstevel@tonic-gate mode_t mode; 28597c478bd9Sstevel@tonic-gate dev_t dev; 28607c478bd9Sstevel@tonic-gate uid_t uid; 28617c478bd9Sstevel@tonic-gate gid_t gid; 28627c478bd9Sstevel@tonic-gate struct stat sb; 28637c478bd9Sstevel@tonic-gate char *dev_path, *aminor = NULL; 28647c478bd9Sstevel@tonic-gate 28657c478bd9Sstevel@tonic-gate /* lphy_path starts with / */ 28667c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 28677c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 28687c478bd9Sstevel@tonic-gate devfsadm_exit(1); 28697c478bd9Sstevel@tonic-gate } 28707c478bd9Sstevel@tonic-gate (void) strcpy(lphy_path, dev_path); 28717c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 28727c478bd9Sstevel@tonic-gate 28737c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, ":"); 28747c478bd9Sstevel@tonic-gate if (di_minor_type(minor) == DDM_ALIAS) { 28757c478bd9Sstevel@tonic-gate char *driver; 28767c478bd9Sstevel@tonic-gate aminor = di_minor_name(minor); 28777c478bd9Sstevel@tonic-gate driver = di_driver_name(di_minor_devinfo(minor)); 28787c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, driver); 28797c478bd9Sstevel@tonic-gate } else 28807c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, di_minor_name(minor)); 28817c478bd9Sstevel@tonic-gate 28827c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, devices_dir); 28837c478bd9Sstevel@tonic-gate (void) strcat(phy_path, lphy_path); 28847c478bd9Sstevel@tonic-gate 28857c478bd9Sstevel@tonic-gate lnode = node; 28867c478bd9Sstevel@tonic-gate lminor = minor; 28877c478bd9Sstevel@tonic-gate 28887c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "reset_node_permissions: phy_path=%s lphy_path=%s\n", 28897c478bd9Sstevel@tonic-gate phy_path, lphy_path); 28907c478bd9Sstevel@tonic-gate 28917c478bd9Sstevel@tonic-gate dev = di_minor_devt(minor); 28927c478bd9Sstevel@tonic-gate spectype = di_minor_spectype(minor); /* block or char */ 28937c478bd9Sstevel@tonic-gate 28947c478bd9Sstevel@tonic-gate getattr(phy_path, aminor, spectype, dev, &mode, &uid, &gid); 28957c478bd9Sstevel@tonic-gate 28967c478bd9Sstevel@tonic-gate /* 28977c478bd9Sstevel@tonic-gate * compare and set permissions and ownership 28987c478bd9Sstevel@tonic-gate * 28997c478bd9Sstevel@tonic-gate * Under devfs, a quick insertion and removal of USB devices 29007c478bd9Sstevel@tonic-gate * would cause stat of physical path to fail. In this case, 29017c478bd9Sstevel@tonic-gate * we emit a verbose message, but don't print errors. 29027c478bd9Sstevel@tonic-gate */ 29037c478bd9Sstevel@tonic-gate if ((stat(phy_path, &sb) == -1) || (sb.st_rdev != dev)) { 29047c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, NO_DEVFS_NODE, phy_path); 29057c478bd9Sstevel@tonic-gate return; 29067c478bd9Sstevel@tonic-gate } 29077c478bd9Sstevel@tonic-gate 29087c478bd9Sstevel@tonic-gate /* 290945916cd2Sjpk * If we are here for a new device 291045916cd2Sjpk * If device allocation is on 291145916cd2Sjpk * then 291245916cd2Sjpk * set ownership to root:other and permissions to 0000 291345916cd2Sjpk * else 291445916cd2Sjpk * set ownership and permissions as specified in minor_perm 291545916cd2Sjpk * If we are here for an existing device 291645916cd2Sjpk * If device allocation is to be turned on 291745916cd2Sjpk * then 291845916cd2Sjpk * reset ownership to root:other and permissions to 0000 291945916cd2Sjpk * else if device allocation is to be turned off 292045916cd2Sjpk * reset ownership and permissions to those specified in 292145916cd2Sjpk * minor_perm 292245916cd2Sjpk * else 2923*ff2aee48Scth * preserve existing/user-modified ownership and 292445916cd2Sjpk * permissions 292545916cd2Sjpk * 292645916cd2Sjpk * devfs indicates a new device by faking access time to be zero. 29277c478bd9Sstevel@tonic-gate */ 292845916cd2Sjpk devalloc_is_on = da_is_on(); 29297c478bd9Sstevel@tonic-gate if (sb.st_atime != 0) { 29307c478bd9Sstevel@tonic-gate int i; 29317c478bd9Sstevel@tonic-gate char *nt; 29327c478bd9Sstevel@tonic-gate 293345916cd2Sjpk if ((devalloc_flag == 0) && (devalloc_is_on != 1)) 293445916cd2Sjpk /* 293545916cd2Sjpk * Leave existing devices as they are if we are not 293645916cd2Sjpk * turning device allocation on/off. 293745916cd2Sjpk */ 29387c478bd9Sstevel@tonic-gate return; 29397c478bd9Sstevel@tonic-gate 29407c478bd9Sstevel@tonic-gate nt = di_minor_nodetype(minor); 294145916cd2Sjpk 29427c478bd9Sstevel@tonic-gate if (nt == NULL) 29437c478bd9Sstevel@tonic-gate return; 294445916cd2Sjpk 294545916cd2Sjpk for (i = 0; devalloc_list[i]; i++) { 294645916cd2Sjpk if (strcmp(nt, devalloc_list[i]) == 0) 294745916cd2Sjpk /* 294845916cd2Sjpk * One of the types recognized by devalloc, 294945916cd2Sjpk * reset attrs. 295045916cd2Sjpk */ 29517c478bd9Sstevel@tonic-gate break; 29527c478bd9Sstevel@tonic-gate } 295345916cd2Sjpk if (devalloc_list[i] == NULL) 29547c478bd9Sstevel@tonic-gate return; 29557c478bd9Sstevel@tonic-gate } 29567c478bd9Sstevel@tonic-gate 29577c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 29587c478bd9Sstevel@tonic-gate /* Nothing more to do if simulating */ 29597c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 29607c478bd9Sstevel@tonic-gate return; 29617c478bd9Sstevel@tonic-gate } 29627c478bd9Sstevel@tonic-gate 296345916cd2Sjpk if ((devalloc_flag == DA_ON) || (devalloc_is_on == 1)) { 296445916cd2Sjpk /* 296545916cd2Sjpk * we are here either to turn device allocation on 296645916cd2Sjpk * or to add a new device while device allocation in on 296745916cd2Sjpk */ 296845916cd2Sjpk mode = DEALLOC_MODE; 296945916cd2Sjpk uid = DA_UID; 297045916cd2Sjpk gid = DA_GID; 297145916cd2Sjpk } 297245916cd2Sjpk 297345916cd2Sjpk if ((devalloc_is_on == 1) || (devalloc_flag == DA_ON) || 297445916cd2Sjpk (sb.st_mode != mode)) { 29757c478bd9Sstevel@tonic-gate if (chmod(phy_path, mode) == -1) 29767c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, 29777c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 29787c478bd9Sstevel@tonic-gate } 297945916cd2Sjpk if ((devalloc_is_on == 1) || (devalloc_flag == DA_ON) || 298045916cd2Sjpk (sb.st_uid != uid || sb.st_gid != gid)) { 29817c478bd9Sstevel@tonic-gate if (chown(phy_path, uid, gid) == -1) 29827c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, 29837c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 29847c478bd9Sstevel@tonic-gate } 29857c478bd9Sstevel@tonic-gate 29867c478bd9Sstevel@tonic-gate /* Report that we actually did something */ 29877c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 29887c478bd9Sstevel@tonic-gate } 29897c478bd9Sstevel@tonic-gate 29907c478bd9Sstevel@tonic-gate /* 29917c478bd9Sstevel@tonic-gate * Removes logical link and the minor node it refers to. If file is a 29927c478bd9Sstevel@tonic-gate * link, we recurse and try to remove the minor node (or link if path is 29937c478bd9Sstevel@tonic-gate * a double link) that file's link contents refer to. 29947c478bd9Sstevel@tonic-gate */ 29957c478bd9Sstevel@tonic-gate static void 29967c478bd9Sstevel@tonic-gate devfsadm_rm_work(char *file, int recurse, int file_type) 29977c478bd9Sstevel@tonic-gate { 29987c478bd9Sstevel@tonic-gate char *fcn = "devfsadm_rm_work: "; 29997c478bd9Sstevel@tonic-gate int linksize; 30007c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 30017c478bd9Sstevel@tonic-gate char nextfile[PATH_MAX + 1]; 30027c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 30037c478bd9Sstevel@tonic-gate char *ptr; 30047c478bd9Sstevel@tonic-gate 30057c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s\n", fcn, file); 30067c478bd9Sstevel@tonic-gate 30077c478bd9Sstevel@tonic-gate /* TYPE_LINK split into multiple if's due to excessive indentations */ 30087c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 30097c478bd9Sstevel@tonic-gate (void) strcpy(newfile, dev_dir); 30107c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 30117c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 30127c478bd9Sstevel@tonic-gate } 30137c478bd9Sstevel@tonic-gate 30147c478bd9Sstevel@tonic-gate if ((file_type == TYPE_LINK) && (recurse == TRUE) && 30157c478bd9Sstevel@tonic-gate ((linksize = readlink(newfile, contents, PATH_MAX)) > 0)) { 30167c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 30177c478bd9Sstevel@tonic-gate 30187c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_TRUE) { 30197c478bd9Sstevel@tonic-gate devfsadm_rm_work(++ptr, FALSE, TYPE_DEVICES); 30207c478bd9Sstevel@tonic-gate } else { 30217c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 30227c478bd9Sstevel@tonic-gate devfsadm_rm_work(&contents[strlen(DEV) + 1], 30237c478bd9Sstevel@tonic-gate TRUE, TYPE_LINK); 30247c478bd9Sstevel@tonic-gate } else { 30257c478bd9Sstevel@tonic-gate if ((ptr = strrchr(file, '/')) != NULL) { 30267c478bd9Sstevel@tonic-gate *ptr = '\0'; 30277c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, file); 30287c478bd9Sstevel@tonic-gate *ptr = '/'; 30297c478bd9Sstevel@tonic-gate (void) strcat(nextfile, "/"); 30307c478bd9Sstevel@tonic-gate } else { 30317c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, ""); 30327c478bd9Sstevel@tonic-gate } 30337c478bd9Sstevel@tonic-gate (void) strcat(nextfile, contents); 30347c478bd9Sstevel@tonic-gate devfsadm_rm_work(nextfile, TRUE, TYPE_LINK); 30357c478bd9Sstevel@tonic-gate } 30367c478bd9Sstevel@tonic-gate } 30377c478bd9Sstevel@tonic-gate } 30387c478bd9Sstevel@tonic-gate 30397c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 30407c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, DEVFSADM_UNLINK, newfile); 30417c478bd9Sstevel@tonic-gate if (file_mods == TRUE) { 30427c478bd9Sstevel@tonic-gate rm_link_from_cache(file); 30437c478bd9Sstevel@tonic-gate s_unlink(newfile); 30447c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(newfile); 30457c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 30467c478bd9Sstevel@tonic-gate (void) di_devlink_rm_link(devlink_cache, file); 30477c478bd9Sstevel@tonic-gate } 30487c478bd9Sstevel@tonic-gate } 30497c478bd9Sstevel@tonic-gate 30507c478bd9Sstevel@tonic-gate /* 30517c478bd9Sstevel@tonic-gate * Note: we don't remove /devices entries because they are 30527c478bd9Sstevel@tonic-gate * covered by devfs. 30537c478bd9Sstevel@tonic-gate */ 30547c478bd9Sstevel@tonic-gate } 30557c478bd9Sstevel@tonic-gate 30567c478bd9Sstevel@tonic-gate void 30577c478bd9Sstevel@tonic-gate devfsadm_rm_link(char *file) 30587c478bd9Sstevel@tonic-gate { 30597c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, FALSE, TYPE_LINK); 30607c478bd9Sstevel@tonic-gate } 30617c478bd9Sstevel@tonic-gate 30627c478bd9Sstevel@tonic-gate void 30637c478bd9Sstevel@tonic-gate devfsadm_rm_all(char *file) 30647c478bd9Sstevel@tonic-gate { 30657c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, TRUE, TYPE_LINK); 30667c478bd9Sstevel@tonic-gate } 30677c478bd9Sstevel@tonic-gate 30684bc0a2efScasper static int 30697c478bd9Sstevel@tonic-gate s_rmdir(char *path) 30707c478bd9Sstevel@tonic-gate { 30717c478bd9Sstevel@tonic-gate int i; 30727c478bd9Sstevel@tonic-gate char *rpath, *dir; 30737c478bd9Sstevel@tonic-gate const char *fcn = "s_rmdir"; 30747c478bd9Sstevel@tonic-gate 30757c478bd9Sstevel@tonic-gate /* 30767c478bd9Sstevel@tonic-gate * Certain directories are created at install time by packages. 30777c478bd9Sstevel@tonic-gate * Some of them (listed in packaged_dirs[]) are required by apps 30787c478bd9Sstevel@tonic-gate * and need to be present even when empty. 30797c478bd9Sstevel@tonic-gate */ 30807c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: checking if %s is packaged\n", fcn, path); 30817c478bd9Sstevel@tonic-gate 30827c478bd9Sstevel@tonic-gate rpath = path + strlen(dev_dir) + 1; 30837c478bd9Sstevel@tonic-gate 30847c478bd9Sstevel@tonic-gate for (i = 0; (dir = packaged_dirs[i]) != NULL; i++) { 30857c478bd9Sstevel@tonic-gate if (*rpath == *dir) { 30867c478bd9Sstevel@tonic-gate if (strcmp(rpath, dir) == 0) { 30877c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: skipping packaged dir: " 30887c478bd9Sstevel@tonic-gate "%s\n", fcn, path); 30894bc0a2efScasper errno = EEXIST; 30904bc0a2efScasper return (-1); 30917c478bd9Sstevel@tonic-gate } 30927c478bd9Sstevel@tonic-gate } 30937c478bd9Sstevel@tonic-gate } 30947c478bd9Sstevel@tonic-gate 30954bc0a2efScasper return (rmdir(path)); 30967c478bd9Sstevel@tonic-gate } 30977c478bd9Sstevel@tonic-gate 30987c478bd9Sstevel@tonic-gate /* 30997c478bd9Sstevel@tonic-gate * Try to remove any empty directories up the tree. It is assumed that 31007c478bd9Sstevel@tonic-gate * pathname is a file that was removed, so start with its parent, and 31017c478bd9Sstevel@tonic-gate * work up the tree. 31027c478bd9Sstevel@tonic-gate */ 31037c478bd9Sstevel@tonic-gate static void 31047c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(char *pathname) 31057c478bd9Sstevel@tonic-gate { 31067c478bd9Sstevel@tonic-gate char *ptr, path[PATH_MAX + 1]; 31077c478bd9Sstevel@tonic-gate char *fcn = "rm_parent_dir_if_empty: "; 3108facf4a8dSllai char *pathlist; 3109facf4a8dSllai int len; 31107c478bd9Sstevel@tonic-gate 31117c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%schecking %s if empty\n", fcn, pathname); 31127c478bd9Sstevel@tonic-gate 31137c478bd9Sstevel@tonic-gate (void) strcpy(path, pathname); 31147c478bd9Sstevel@tonic-gate 31157c478bd9Sstevel@tonic-gate /* 31167c478bd9Sstevel@tonic-gate * ascend up the dir tree, deleting all empty dirs. 31177c478bd9Sstevel@tonic-gate * Return immediately if a dir is not empty. 31187c478bd9Sstevel@tonic-gate */ 31197c478bd9Sstevel@tonic-gate for (;;) { 31207c478bd9Sstevel@tonic-gate 31217c478bd9Sstevel@tonic-gate if ((ptr = strrchr(path, '/')) == NULL) { 31227c478bd9Sstevel@tonic-gate return; 31237c478bd9Sstevel@tonic-gate } 31247c478bd9Sstevel@tonic-gate 31257c478bd9Sstevel@tonic-gate *ptr = '\0'; 31267c478bd9Sstevel@tonic-gate 3127facf4a8dSllai if ((pathlist = dev_readdir(path)) == NULL) { 3128facf4a8dSllai err_print(OPENDIR_FAILED, path, strerror(errno)); 3129facf4a8dSllai return; 31307c478bd9Sstevel@tonic-gate } 3131facf4a8dSllai 3132facf4a8dSllai /* 3133facf4a8dSllai * An empty pathlist implies an empty directory 3134facf4a8dSllai */ 3135facf4a8dSllai len = strlen(pathlist); 3136facf4a8dSllai free(pathlist); 3137facf4a8dSllai if (len == 0) { 3138facf4a8dSllai if (s_rmdir(path) == 0) { 3139facf4a8dSllai vprint(REMOVE_MID, 3140facf4a8dSllai "%sremoving empty dir %s\n", fcn, path); 3141facf4a8dSllai } else if (errno == EEXIST) { 3142facf4a8dSllai vprint(REMOVE_MID, 3143facf4a8dSllai "%sfailed to remove dir: %s\n", fcn, path); 3144facf4a8dSllai return; 3145facf4a8dSllai } 3146facf4a8dSllai } else { 3147facf4a8dSllai /* some other file is here, so return */ 31487c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sdir not empty: %s\n", fcn, path); 31497c478bd9Sstevel@tonic-gate return; 31507c478bd9Sstevel@tonic-gate } 31517c478bd9Sstevel@tonic-gate } 31527c478bd9Sstevel@tonic-gate } 31537c478bd9Sstevel@tonic-gate 31547c478bd9Sstevel@tonic-gate /* 31557c478bd9Sstevel@tonic-gate * This function and all the functions it calls below were added to 31567c478bd9Sstevel@tonic-gate * handle the unique problem with world wide names (WWN). The problem is 31577c478bd9Sstevel@tonic-gate * that if a WWN device is moved to another address on the same controller 31587c478bd9Sstevel@tonic-gate * its logical link will change, while the physical node remains the same. 31597c478bd9Sstevel@tonic-gate * The result is that two logical links will point to the same physical path 31607c478bd9Sstevel@tonic-gate * in /devices, the valid link and a stale link. This function will 31617c478bd9Sstevel@tonic-gate * find all the stale nodes, though at a significant performance cost. 31627c478bd9Sstevel@tonic-gate * 31637c478bd9Sstevel@tonic-gate * Caching is used to increase performance. 31647c478bd9Sstevel@tonic-gate * A cache will be built from disk if the cache tag doesn't already exist. 31657c478bd9Sstevel@tonic-gate * The cache tag is a regular expression "dir_re", which selects a 31667c478bd9Sstevel@tonic-gate * subset of disks to search from typically something like 31677c478bd9Sstevel@tonic-gate * "dev/cXt[0-9]+d[0-9]+s[0-9]+". After the cache is built, consistency must 31687c478bd9Sstevel@tonic-gate * be maintained, so entries are added as new links are created, and removed 31697c478bd9Sstevel@tonic-gate * as old links are deleted. The whole cache is flushed if we are a daemon, 31707c478bd9Sstevel@tonic-gate * and another devfsadm process ran in between. 31717c478bd9Sstevel@tonic-gate * 31727c478bd9Sstevel@tonic-gate * Once the cache is built, this function finds the cache which matches 31737c478bd9Sstevel@tonic-gate * dir_re, and then it searches all links in that cache looking for 31747c478bd9Sstevel@tonic-gate * any link whose contents match "valid_link_contents" with a corresponding link 31757c478bd9Sstevel@tonic-gate * which does not match "valid_link". Any such matches are stale and removed. 31767c478bd9Sstevel@tonic-gate */ 31777c478bd9Sstevel@tonic-gate void 31787c478bd9Sstevel@tonic-gate devfsadm_rm_stale_links(char *dir_re, char *valid_link, di_node_t node, 31797c478bd9Sstevel@tonic-gate di_minor_t minor) 31807c478bd9Sstevel@tonic-gate { 31817c478bd9Sstevel@tonic-gate link_t *link; 31827c478bd9Sstevel@tonic-gate linkhead_t *head; 31837c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 31847c478bd9Sstevel@tonic-gate char *valid_link_contents; 31857c478bd9Sstevel@tonic-gate char *dev_path; 31867c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 31877c478bd9Sstevel@tonic-gate 31887c478bd9Sstevel@tonic-gate /* 31897c478bd9Sstevel@tonic-gate * try to use devices path 31907c478bd9Sstevel@tonic-gate */ 31917c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 31927c478bd9Sstevel@tonic-gate valid_link_contents = lphy_path; 31937c478bd9Sstevel@tonic-gate } else { 31947c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 31957c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 31967c478bd9Sstevel@tonic-gate devfsadm_exit(1); 31977c478bd9Sstevel@tonic-gate } 31987c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, dev_path); 31997c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 32007c478bd9Sstevel@tonic-gate 32017c478bd9Sstevel@tonic-gate (void) strcat(phy_path, ":"); 32027c478bd9Sstevel@tonic-gate (void) strcat(phy_path, di_minor_name(minor)); 32037c478bd9Sstevel@tonic-gate valid_link_contents = phy_path; 32047c478bd9Sstevel@tonic-gate } 32057c478bd9Sstevel@tonic-gate 32067c478bd9Sstevel@tonic-gate /* 32077c478bd9Sstevel@tonic-gate * As an optimization, check to make sure the corresponding 32087c478bd9Sstevel@tonic-gate * devlink was just created before continuing. 32097c478bd9Sstevel@tonic-gate */ 32107c478bd9Sstevel@tonic-gate 32117c478bd9Sstevel@tonic-gate if (linknew == FALSE) { 32127c478bd9Sstevel@tonic-gate return; 32137c478bd9Sstevel@tonic-gate } 32147c478bd9Sstevel@tonic-gate 32157c478bd9Sstevel@tonic-gate head = get_cached_links(dir_re); 32167c478bd9Sstevel@tonic-gate 32177c478bd9Sstevel@tonic-gate assert(head->nextlink == NULL); 32187c478bd9Sstevel@tonic-gate 32197c478bd9Sstevel@tonic-gate for (link = head->link; link != NULL; link = head->nextlink) { 32207c478bd9Sstevel@tonic-gate /* 32217c478bd9Sstevel@tonic-gate * See hot_cleanup() for why we do this 32227c478bd9Sstevel@tonic-gate */ 32237c478bd9Sstevel@tonic-gate head->nextlink = link->next; 32247c478bd9Sstevel@tonic-gate if ((strcmp(link->contents, valid_link_contents) == 0) && 32257c478bd9Sstevel@tonic-gate (strcmp(link->devlink, valid_link) != 0)) { 32267c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "removing %s -> %s\n" 32277c478bd9Sstevel@tonic-gate "valid link is: %s -> %s\n", 32287c478bd9Sstevel@tonic-gate link->devlink, link->contents, 32297c478bd9Sstevel@tonic-gate valid_link, valid_link_contents); 32307c478bd9Sstevel@tonic-gate /* 32317c478bd9Sstevel@tonic-gate * Use a copy of the cached link name as the 32327c478bd9Sstevel@tonic-gate * cache entry will go away during link removal 32337c478bd9Sstevel@tonic-gate */ 32347c478bd9Sstevel@tonic-gate (void) snprintf(rmlink, sizeof (rmlink), "%s", 32357c478bd9Sstevel@tonic-gate link->devlink); 32367c478bd9Sstevel@tonic-gate devfsadm_rm_link(rmlink); 32377c478bd9Sstevel@tonic-gate } 32387c478bd9Sstevel@tonic-gate } 32397c478bd9Sstevel@tonic-gate } 32407c478bd9Sstevel@tonic-gate 32417c478bd9Sstevel@tonic-gate /* 32427c478bd9Sstevel@tonic-gate * Return previously created cache, or create cache. 32437c478bd9Sstevel@tonic-gate */ 32447c478bd9Sstevel@tonic-gate static linkhead_t * 32457c478bd9Sstevel@tonic-gate get_cached_links(char *dir_re) 32467c478bd9Sstevel@tonic-gate { 32477c478bd9Sstevel@tonic-gate recurse_dev_t rd; 32487c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 32497c478bd9Sstevel@tonic-gate int n; 32507c478bd9Sstevel@tonic-gate 32517c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: %s\n", dir_re); 32527c478bd9Sstevel@tonic-gate 32537c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 32547c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 32557c478bd9Sstevel@tonic-gate if (strcmp(linkhead->dir_re, dir_re) == 0) { 32567c478bd9Sstevel@tonic-gate return (linkhead); 32577c478bd9Sstevel@tonic-gate } 32587c478bd9Sstevel@tonic-gate } 32597c478bd9Sstevel@tonic-gate 32607c478bd9Sstevel@tonic-gate /* 32617c478bd9Sstevel@tonic-gate * This tag is not in cache, so add it, along with all its 32627c478bd9Sstevel@tonic-gate * matching /dev entries. This is the only time we go to disk. 32637c478bd9Sstevel@tonic-gate */ 32647c478bd9Sstevel@tonic-gate linkhead = s_malloc(sizeof (linkhead_t)); 32657c478bd9Sstevel@tonic-gate linkhead->nexthead = headlinkhead; 32667c478bd9Sstevel@tonic-gate headlinkhead = linkhead; 32677c478bd9Sstevel@tonic-gate linkhead->dir_re = s_strdup(dir_re); 32687c478bd9Sstevel@tonic-gate 32697c478bd9Sstevel@tonic-gate if ((n = regcomp(&(linkhead->dir_re_compiled), dir_re, 32707c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 32717c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, dir_re, n); 32727c478bd9Sstevel@tonic-gate } 32737c478bd9Sstevel@tonic-gate 32747c478bd9Sstevel@tonic-gate linkhead->nextlink = NULL; 32757c478bd9Sstevel@tonic-gate linkhead->link = NULL; 32767c478bd9Sstevel@tonic-gate 32777c478bd9Sstevel@tonic-gate rd.fcn = build_devlink_list; 32787c478bd9Sstevel@tonic-gate rd.data = (void *)linkhead; 32797c478bd9Sstevel@tonic-gate 32807c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: calling recurse_dev_re\n"); 32817c478bd9Sstevel@tonic-gate 32827c478bd9Sstevel@tonic-gate /* call build_devlink_list for each directory in the dir_re RE */ 32837c478bd9Sstevel@tonic-gate if (dir_re[0] == '/') { 32847c478bd9Sstevel@tonic-gate recurse_dev_re("/", &dir_re[1], &rd); 32857c478bd9Sstevel@tonic-gate } else { 32867c478bd9Sstevel@tonic-gate recurse_dev_re(dev_dir, dir_re, &rd); 32877c478bd9Sstevel@tonic-gate } 32887c478bd9Sstevel@tonic-gate 32897c478bd9Sstevel@tonic-gate return (linkhead); 32907c478bd9Sstevel@tonic-gate } 32917c478bd9Sstevel@tonic-gate 32927c478bd9Sstevel@tonic-gate static void 32937c478bd9Sstevel@tonic-gate build_devlink_list(char *devlink, void *data) 32947c478bd9Sstevel@tonic-gate { 32957c478bd9Sstevel@tonic-gate char *fcn = "build_devlink_list: "; 32967c478bd9Sstevel@tonic-gate char *ptr; 32977c478bd9Sstevel@tonic-gate char *r_contents; 32987c478bd9Sstevel@tonic-gate char *r_devlink; 32997c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 33007c478bd9Sstevel@tonic-gate char newlink[PATH_MAX + 1]; 33017c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 33027c478bd9Sstevel@tonic-gate int linksize; 33037c478bd9Sstevel@tonic-gate linkhead_t *linkhead = (linkhead_t *)data; 33047c478bd9Sstevel@tonic-gate link_t *link; 33057c478bd9Sstevel@tonic-gate int i = 0; 33067c478bd9Sstevel@tonic-gate 33077c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scheck_link: %s\n", fcn, devlink); 33087c478bd9Sstevel@tonic-gate 33097c478bd9Sstevel@tonic-gate (void) strcpy(newlink, devlink); 33107c478bd9Sstevel@tonic-gate 33117c478bd9Sstevel@tonic-gate do { 33127c478bd9Sstevel@tonic-gate linksize = readlink(newlink, contents, PATH_MAX); 33137c478bd9Sstevel@tonic-gate if (linksize <= 0) { 33147c478bd9Sstevel@tonic-gate /* 33157c478bd9Sstevel@tonic-gate * The first pass through the do loop we may readlink() 33167c478bd9Sstevel@tonic-gate * non-symlink files(EINVAL) from false regexec matches. 33177c478bd9Sstevel@tonic-gate * Suppress error messages in those cases or if the link 33187c478bd9Sstevel@tonic-gate * content is the empty string. 33197c478bd9Sstevel@tonic-gate */ 33207c478bd9Sstevel@tonic-gate if (linksize < 0 && (i || errno != EINVAL)) 33217c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, "build_devlink_list", 33227c478bd9Sstevel@tonic-gate newlink, strerror(errno)); 33237c478bd9Sstevel@tonic-gate return; 33247c478bd9Sstevel@tonic-gate } 33257c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 33267c478bd9Sstevel@tonic-gate i = 1; 33277c478bd9Sstevel@tonic-gate 33287c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &r_contents) == DEVFSADM_FALSE) { 33297c478bd9Sstevel@tonic-gate /* 33307c478bd9Sstevel@tonic-gate * assume that link contents is really a pointer to 33317c478bd9Sstevel@tonic-gate * another link, so recurse and read its link contents. 33327c478bd9Sstevel@tonic-gate * 33337c478bd9Sstevel@tonic-gate * some link contents are absolute: 33347c478bd9Sstevel@tonic-gate * /dev/audio -> /dev/sound/0 33357c478bd9Sstevel@tonic-gate */ 33367c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", 33377c478bd9Sstevel@tonic-gate strlen(DEV) + strlen("/")) != 0) { 33387c478bd9Sstevel@tonic-gate 33397c478bd9Sstevel@tonic-gate if ((ptr = strrchr(newlink, '/')) == NULL) { 33407c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid " 33417c478bd9Sstevel@tonic-gate "link. missing '/'\n", fcn, 33427c478bd9Sstevel@tonic-gate newlink, contents); 33437c478bd9Sstevel@tonic-gate return; 33447c478bd9Sstevel@tonic-gate } 33457c478bd9Sstevel@tonic-gate *ptr = '\0'; 33467c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, newlink); 33477c478bd9Sstevel@tonic-gate *ptr = '/'; 33487c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 33497c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 33507c478bd9Sstevel@tonic-gate (void) strcpy(newlink, stage_link); 33517c478bd9Sstevel@tonic-gate } else { 33527c478bd9Sstevel@tonic-gate (void) strcpy(newlink, dev_dir); 33537c478bd9Sstevel@tonic-gate (void) strcat(newlink, "/"); 33547c478bd9Sstevel@tonic-gate (void) strcat(newlink, 33557c478bd9Sstevel@tonic-gate &contents[strlen(DEV) + strlen("/")]); 33567c478bd9Sstevel@tonic-gate } 33577c478bd9Sstevel@tonic-gate 33587c478bd9Sstevel@tonic-gate } else { 33597c478bd9Sstevel@tonic-gate newlink[0] = '\0'; 33607c478bd9Sstevel@tonic-gate } 33617c478bd9Sstevel@tonic-gate } while (newlink[0] != '\0'); 33627c478bd9Sstevel@tonic-gate 33637c478bd9Sstevel@tonic-gate if (strncmp(devlink, dev_dir, strlen(dev_dir)) != 0) { 33647c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%sinvalid link: %s\n", fcn, devlink); 33657c478bd9Sstevel@tonic-gate return; 33667c478bd9Sstevel@tonic-gate } 33677c478bd9Sstevel@tonic-gate 33687c478bd9Sstevel@tonic-gate r_devlink = devlink + strlen(dev_dir); 33697c478bd9Sstevel@tonic-gate 33707c478bd9Sstevel@tonic-gate if (r_devlink[0] != '/') 33717c478bd9Sstevel@tonic-gate return; 33727c478bd9Sstevel@tonic-gate 33737c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 33747c478bd9Sstevel@tonic-gate 33757c478bd9Sstevel@tonic-gate /* don't store the '/' after rootdir/dev */ 33767c478bd9Sstevel@tonic-gate r_devlink += 1; 33777c478bd9Sstevel@tonic-gate 33787c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scaching link: %s\n", fcn, r_devlink); 33797c478bd9Sstevel@tonic-gate link->devlink = s_strdup(r_devlink); 33807c478bd9Sstevel@tonic-gate 33817c478bd9Sstevel@tonic-gate link->contents = s_strdup(r_contents); 33827c478bd9Sstevel@tonic-gate 33837c478bd9Sstevel@tonic-gate link->next = linkhead->link; 33847c478bd9Sstevel@tonic-gate linkhead->link = link; 33857c478bd9Sstevel@tonic-gate } 33867c478bd9Sstevel@tonic-gate 33877c478bd9Sstevel@tonic-gate /* 33887c478bd9Sstevel@tonic-gate * to be consistent, devlink must not begin with / and must be 33897c478bd9Sstevel@tonic-gate * relative to /dev/, whereas physpath must contain / and be 33907c478bd9Sstevel@tonic-gate * relative to /devices. 33917c478bd9Sstevel@tonic-gate */ 33927c478bd9Sstevel@tonic-gate static void 33937c478bd9Sstevel@tonic-gate add_link_to_cache(char *devlink, char *physpath) 33947c478bd9Sstevel@tonic-gate { 33957c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 33967c478bd9Sstevel@tonic-gate link_t *link; 33977c478bd9Sstevel@tonic-gate int added = 0; 33987c478bd9Sstevel@tonic-gate 33997c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 34007c478bd9Sstevel@tonic-gate return; 34017c478bd9Sstevel@tonic-gate } 34027c478bd9Sstevel@tonic-gate 34037c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "add_link_to_cache: %s -> %s ", 34047c478bd9Sstevel@tonic-gate devlink, physpath); 34057c478bd9Sstevel@tonic-gate 34067c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 34077c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 34087c478bd9Sstevel@tonic-gate if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 34097c478bd9Sstevel@tonic-gate 0) == 0) { 34107c478bd9Sstevel@tonic-gate added++; 34117c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 34127c478bd9Sstevel@tonic-gate link->devlink = s_strdup(devlink); 34137c478bd9Sstevel@tonic-gate link->contents = s_strdup(physpath); 34147c478bd9Sstevel@tonic-gate link->next = linkhead->link; 34157c478bd9Sstevel@tonic-gate linkhead->link = link; 34167c478bd9Sstevel@tonic-gate } 34177c478bd9Sstevel@tonic-gate } 34187c478bd9Sstevel@tonic-gate 34197c478bd9Sstevel@tonic-gate vprint(CACHE_MID, 34207c478bd9Sstevel@tonic-gate " %d %s\n", added, added == 0 ? "NOT ADDED" : "ADDED"); 34217c478bd9Sstevel@tonic-gate } 34227c478bd9Sstevel@tonic-gate 34237c478bd9Sstevel@tonic-gate /* 34247c478bd9Sstevel@tonic-gate * Remove devlink from cache. Devlink must be relative to /dev/ and not start 34257c478bd9Sstevel@tonic-gate * with /. 34267c478bd9Sstevel@tonic-gate */ 34277c478bd9Sstevel@tonic-gate static void 34287c478bd9Sstevel@tonic-gate rm_link_from_cache(char *devlink) 34297c478bd9Sstevel@tonic-gate { 34307c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 34317c478bd9Sstevel@tonic-gate link_t **linkp; 34327c478bd9Sstevel@tonic-gate link_t *save; 34337c478bd9Sstevel@tonic-gate 34347c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_link_from_cache enter: %s\n", devlink); 34357c478bd9Sstevel@tonic-gate 34367c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 34377c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 34387c478bd9Sstevel@tonic-gate if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 34397c478bd9Sstevel@tonic-gate 0) == 0) { 34407c478bd9Sstevel@tonic-gate 34417c478bd9Sstevel@tonic-gate for (linkp = &(linkhead->link); *linkp != NULL; ) { 34427c478bd9Sstevel@tonic-gate if ((strcmp((*linkp)->devlink, devlink) == 0)) { 34437c478bd9Sstevel@tonic-gate save = *linkp; 34447c478bd9Sstevel@tonic-gate *linkp = (*linkp)->next; 34457c478bd9Sstevel@tonic-gate /* 34467c478bd9Sstevel@tonic-gate * We are removing our caller's 34477c478bd9Sstevel@tonic-gate * "next" link. Update the nextlink 34487c478bd9Sstevel@tonic-gate * field in the head so that our 34497c478bd9Sstevel@tonic-gate * callers accesses the next valid 34507c478bd9Sstevel@tonic-gate * link 34517c478bd9Sstevel@tonic-gate */ 34527c478bd9Sstevel@tonic-gate if (linkhead->nextlink == save) 34537c478bd9Sstevel@tonic-gate linkhead->nextlink = *linkp; 34547c478bd9Sstevel@tonic-gate free(save->devlink); 34557c478bd9Sstevel@tonic-gate free(save->contents); 34567c478bd9Sstevel@tonic-gate free(save); 34577c478bd9Sstevel@tonic-gate vprint(CACHE_MID, " %s FREED FROM " 34587c478bd9Sstevel@tonic-gate "CACHE\n", devlink); 34597c478bd9Sstevel@tonic-gate } else { 34607c478bd9Sstevel@tonic-gate linkp = &((*linkp)->next); 34617c478bd9Sstevel@tonic-gate } 34627c478bd9Sstevel@tonic-gate } 34637c478bd9Sstevel@tonic-gate } 34647c478bd9Sstevel@tonic-gate } 34657c478bd9Sstevel@tonic-gate } 34667c478bd9Sstevel@tonic-gate 34677c478bd9Sstevel@tonic-gate static void 34687c478bd9Sstevel@tonic-gate rm_all_links_from_cache() 34697c478bd9Sstevel@tonic-gate { 34707c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 34717c478bd9Sstevel@tonic-gate linkhead_t *nextlinkhead; 34727c478bd9Sstevel@tonic-gate link_t *link; 34737c478bd9Sstevel@tonic-gate link_t *nextlink; 34747c478bd9Sstevel@tonic-gate 34757c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_all_links_from_cache\n"); 34767c478bd9Sstevel@tonic-gate 34777c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 34787c478bd9Sstevel@tonic-gate linkhead = nextlinkhead) { 34797c478bd9Sstevel@tonic-gate 34807c478bd9Sstevel@tonic-gate nextlinkhead = linkhead->nexthead; 34817c478bd9Sstevel@tonic-gate assert(linkhead->nextlink == NULL); 34827c478bd9Sstevel@tonic-gate for (link = linkhead->link; link != NULL; link = nextlink) { 34837c478bd9Sstevel@tonic-gate nextlink = link->next; 34847c478bd9Sstevel@tonic-gate free(link->devlink); 34857c478bd9Sstevel@tonic-gate free(link->contents); 34867c478bd9Sstevel@tonic-gate free(link); 34877c478bd9Sstevel@tonic-gate } 34887c478bd9Sstevel@tonic-gate regfree(&(linkhead->dir_re_compiled)); 34897c478bd9Sstevel@tonic-gate free(linkhead->dir_re); 34907c478bd9Sstevel@tonic-gate free(linkhead); 34917c478bd9Sstevel@tonic-gate } 34927c478bd9Sstevel@tonic-gate headlinkhead = NULL; 34937c478bd9Sstevel@tonic-gate } 34947c478bd9Sstevel@tonic-gate 34957c478bd9Sstevel@tonic-gate /* 34967c478bd9Sstevel@tonic-gate * Called when the kernel has modified the incore path_to_inst data. This 34977c478bd9Sstevel@tonic-gate * function will schedule a flush of the data to the filesystem. 34987c478bd9Sstevel@tonic-gate */ 34997c478bd9Sstevel@tonic-gate static void 35007c478bd9Sstevel@tonic-gate devfs_instance_mod(void) 35017c478bd9Sstevel@tonic-gate { 35027c478bd9Sstevel@tonic-gate char *fcn = "devfs_instance_mod: "; 35037c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "%senter\n", fcn); 35047c478bd9Sstevel@tonic-gate 35057c478bd9Sstevel@tonic-gate /* signal instance thread */ 35067c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 35077c478bd9Sstevel@tonic-gate inst_count++; 35087c478bd9Sstevel@tonic-gate (void) cond_signal(&cv); 35097c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 35107c478bd9Sstevel@tonic-gate } 35117c478bd9Sstevel@tonic-gate 35127c478bd9Sstevel@tonic-gate static void 35137c478bd9Sstevel@tonic-gate instance_flush_thread(void) 35147c478bd9Sstevel@tonic-gate { 35157c478bd9Sstevel@tonic-gate int i; 35167c478bd9Sstevel@tonic-gate int idle; 35177c478bd9Sstevel@tonic-gate 35187c478bd9Sstevel@tonic-gate for (;;) { 35197c478bd9Sstevel@tonic-gate 35207c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 35217c478bd9Sstevel@tonic-gate while (inst_count == 0) { 35227c478bd9Sstevel@tonic-gate (void) cond_wait(&cv, &count_lock); 35237c478bd9Sstevel@tonic-gate } 35247c478bd9Sstevel@tonic-gate inst_count = 0; 35257c478bd9Sstevel@tonic-gate 35267c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "signaled to flush path_to_inst." 35277c478bd9Sstevel@tonic-gate " Enter delay loop\n"); 35287c478bd9Sstevel@tonic-gate /* 35297c478bd9Sstevel@tonic-gate * Wait MAX_IDLE_DELAY seconds after getting the last flush 35307c478bd9Sstevel@tonic-gate * path_to_inst event before invoking a flush, but never wait 35317c478bd9Sstevel@tonic-gate * more than MAX_DELAY seconds after getting the first event. 35327c478bd9Sstevel@tonic-gate */ 35337c478bd9Sstevel@tonic-gate for (idle = 0, i = 0; i < MAX_DELAY; i++) { 35347c478bd9Sstevel@tonic-gate 35357c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 35367c478bd9Sstevel@tonic-gate (void) sleep(1); 35377c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 35387c478bd9Sstevel@tonic-gate 35397c478bd9Sstevel@tonic-gate /* shorten the delay if we are idle */ 35407c478bd9Sstevel@tonic-gate if (inst_count == 0) { 35417c478bd9Sstevel@tonic-gate idle++; 35427c478bd9Sstevel@tonic-gate if (idle > MAX_IDLE_DELAY) { 35437c478bd9Sstevel@tonic-gate break; 35447c478bd9Sstevel@tonic-gate } 35457c478bd9Sstevel@tonic-gate } else { 35467c478bd9Sstevel@tonic-gate inst_count = idle = 0; 35477c478bd9Sstevel@tonic-gate } 35487c478bd9Sstevel@tonic-gate } 35497c478bd9Sstevel@tonic-gate 35507c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 35517c478bd9Sstevel@tonic-gate 35527c478bd9Sstevel@tonic-gate flush_path_to_inst(); 35537c478bd9Sstevel@tonic-gate } 35547c478bd9Sstevel@tonic-gate } 35557c478bd9Sstevel@tonic-gate 35567c478bd9Sstevel@tonic-gate /* 35577c478bd9Sstevel@tonic-gate * Helper function for flush_path_to_inst() below; this routine calls the 35587c478bd9Sstevel@tonic-gate * inst_sync syscall to flush the path_to_inst database to the given file. 35597c478bd9Sstevel@tonic-gate */ 35607c478bd9Sstevel@tonic-gate static int 35617c478bd9Sstevel@tonic-gate do_inst_sync(char *filename) 35627c478bd9Sstevel@tonic-gate { 35637c478bd9Sstevel@tonic-gate void (*sigsaved)(int); 35647c478bd9Sstevel@tonic-gate int err = 0; 35657c478bd9Sstevel@tonic-gate 35667c478bd9Sstevel@tonic-gate vprint(INSTSYNC_MID, "do_inst_sync: about to flush %s\n", filename); 35677c478bd9Sstevel@tonic-gate sigsaved = sigset(SIGSYS, SIG_IGN); 35687c478bd9Sstevel@tonic-gate if (inst_sync(filename, 0) == -1) 35697c478bd9Sstevel@tonic-gate err = errno; 35707c478bd9Sstevel@tonic-gate (void) sigset(SIGSYS, sigsaved); 35717c478bd9Sstevel@tonic-gate 35727c478bd9Sstevel@tonic-gate switch (err) { 35737c478bd9Sstevel@tonic-gate case 0: 35747c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 35757c478bd9Sstevel@tonic-gate case EALREADY: /* no-op, path_to_inst already up to date */ 35767c478bd9Sstevel@tonic-gate return (EALREADY); 35777c478bd9Sstevel@tonic-gate case ENOSYS: 35787c478bd9Sstevel@tonic-gate err_print(CANT_LOAD_SYSCALL); 35797c478bd9Sstevel@tonic-gate break; 35807c478bd9Sstevel@tonic-gate case EPERM: 35817c478bd9Sstevel@tonic-gate err_print(SUPER_TO_SYNC); 35827c478bd9Sstevel@tonic-gate break; 35837c478bd9Sstevel@tonic-gate default: 35847c478bd9Sstevel@tonic-gate err_print(INSTSYNC_FAILED, filename, strerror(err)); 35857c478bd9Sstevel@tonic-gate break; 35867c478bd9Sstevel@tonic-gate } 35877c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 35887c478bd9Sstevel@tonic-gate } 35897c478bd9Sstevel@tonic-gate 35907c478bd9Sstevel@tonic-gate /* 35917c478bd9Sstevel@tonic-gate * Flush the kernel's path_to_inst database to /etc/path_to_inst. To do so 35927c478bd9Sstevel@tonic-gate * safely, the database is flushed to a temporary file, then moved into place. 35937c478bd9Sstevel@tonic-gate * 35947c478bd9Sstevel@tonic-gate * The following files are used during this process: 35957c478bd9Sstevel@tonic-gate * /etc/path_to_inst: The path_to_inst file 35967c478bd9Sstevel@tonic-gate * /etc/path_to_inst.<pid>: Contains data flushed from the kernel 35977c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old: The backup file 35987c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old.<pid>: Temp file for creating backup 35997c478bd9Sstevel@tonic-gate * 36007c478bd9Sstevel@tonic-gate */ 36017c478bd9Sstevel@tonic-gate static void 36027c478bd9Sstevel@tonic-gate flush_path_to_inst(void) 36037c478bd9Sstevel@tonic-gate { 36047c478bd9Sstevel@tonic-gate char *new_inst_file = NULL; 36057c478bd9Sstevel@tonic-gate char *old_inst_file = NULL; 36067c478bd9Sstevel@tonic-gate char *old_inst_file_npid = NULL; 36077c478bd9Sstevel@tonic-gate FILE *inst_file_fp = NULL; 36087c478bd9Sstevel@tonic-gate FILE *old_inst_file_fp = NULL; 36097c478bd9Sstevel@tonic-gate struct stat sb; 36107c478bd9Sstevel@tonic-gate int err = 0; 36117c478bd9Sstevel@tonic-gate int c; 36127c478bd9Sstevel@tonic-gate int inst_strlen; 36137c478bd9Sstevel@tonic-gate 36147c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "flush_path_to_inst: %s\n", 36157c478bd9Sstevel@tonic-gate (flush_path_to_inst_enable == TRUE) ? "ENABLED" : "DISABLED"); 36167c478bd9Sstevel@tonic-gate 36177c478bd9Sstevel@tonic-gate if (flush_path_to_inst_enable == FALSE) { 36187c478bd9Sstevel@tonic-gate return; 36197c478bd9Sstevel@tonic-gate } 36207c478bd9Sstevel@tonic-gate 36217c478bd9Sstevel@tonic-gate inst_strlen = strlen(inst_file); 36227c478bd9Sstevel@tonic-gate new_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 2); 36237c478bd9Sstevel@tonic-gate old_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 6); 36247c478bd9Sstevel@tonic-gate old_inst_file_npid = s_malloc(inst_strlen + 36257c478bd9Sstevel@tonic-gate sizeof (INSTANCE_FILE_SUFFIX)); 36267c478bd9Sstevel@tonic-gate 36277c478bd9Sstevel@tonic-gate (void) snprintf(new_inst_file, inst_strlen + PID_STR_LEN + 2, 36287c478bd9Sstevel@tonic-gate "%s.%ld", inst_file, getpid()); 36297c478bd9Sstevel@tonic-gate 36307c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 36317c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 36327c478bd9Sstevel@tonic-gate } 36337c478bd9Sstevel@tonic-gate 36347c478bd9Sstevel@tonic-gate if ((err = do_inst_sync(new_inst_file)) != DEVFSADM_SUCCESS) { 36357c478bd9Sstevel@tonic-gate goto out; 36367c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 36377c478bd9Sstevel@tonic-gate } 36387c478bd9Sstevel@tonic-gate 36397c478bd9Sstevel@tonic-gate /* 36407c478bd9Sstevel@tonic-gate * Now we deal with the somewhat tricky updating and renaming 36417c478bd9Sstevel@tonic-gate * of this critical piece of kernel state. 36427c478bd9Sstevel@tonic-gate */ 36437c478bd9Sstevel@tonic-gate 36447c478bd9Sstevel@tonic-gate /* 36457c478bd9Sstevel@tonic-gate * Copy the current instance file into a temporary file. 36467c478bd9Sstevel@tonic-gate * Then rename the temporary file into the backup (.old) 36477c478bd9Sstevel@tonic-gate * file and rename the newly flushed kernel data into 36487c478bd9Sstevel@tonic-gate * the instance file. 36497c478bd9Sstevel@tonic-gate * Of course if 'inst_file' doesn't exist, there's much 36507c478bd9Sstevel@tonic-gate * less for us to do .. tee hee. 36517c478bd9Sstevel@tonic-gate */ 36527c478bd9Sstevel@tonic-gate if ((inst_file_fp = fopen(inst_file, "r")) == NULL) { 36537c478bd9Sstevel@tonic-gate /* 36547c478bd9Sstevel@tonic-gate * No such file. Rename the new onto the old 36557c478bd9Sstevel@tonic-gate */ 36567c478bd9Sstevel@tonic-gate if ((err = rename(new_inst_file, inst_file)) != 0) 36577c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 36587c478bd9Sstevel@tonic-gate goto out; 36597c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 36607c478bd9Sstevel@tonic-gate } 36617c478bd9Sstevel@tonic-gate 36627c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file, inst_strlen + PID_STR_LEN + 6, 36637c478bd9Sstevel@tonic-gate "%s.old.%ld", inst_file, getpid()); 36647c478bd9Sstevel@tonic-gate 36657c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 36667c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 36677c478bd9Sstevel@tonic-gate } 36687c478bd9Sstevel@tonic-gate 36697c478bd9Sstevel@tonic-gate if ((old_inst_file_fp = fopen(old_inst_file, "w")) == NULL) { 36707c478bd9Sstevel@tonic-gate /* 36717c478bd9Sstevel@tonic-gate * Can't open the 'old_inst_file' file for writing. 36727c478bd9Sstevel@tonic-gate * This is somewhat strange given that the syscall 36737c478bd9Sstevel@tonic-gate * just succeeded to write a file out.. hmm.. maybe 36747c478bd9Sstevel@tonic-gate * the fs just filled up or something nasty. 36757c478bd9Sstevel@tonic-gate * 36767c478bd9Sstevel@tonic-gate * Anyway, abort what we've done so far. 36777c478bd9Sstevel@tonic-gate */ 36787c478bd9Sstevel@tonic-gate err_print(CANT_UPDATE, old_inst_file); 36797c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 36807c478bd9Sstevel@tonic-gate goto out; 36817c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 36827c478bd9Sstevel@tonic-gate } 36837c478bd9Sstevel@tonic-gate 36847c478bd9Sstevel@tonic-gate /* 36857c478bd9Sstevel@tonic-gate * Copy current instance file into the temporary file 36867c478bd9Sstevel@tonic-gate */ 36877c478bd9Sstevel@tonic-gate err = 0; 36887c478bd9Sstevel@tonic-gate while ((c = getc(inst_file_fp)) != EOF) { 36897c478bd9Sstevel@tonic-gate if ((err = putc(c, old_inst_file_fp)) == EOF) { 36907c478bd9Sstevel@tonic-gate break; 36917c478bd9Sstevel@tonic-gate } 36927c478bd9Sstevel@tonic-gate } 36937c478bd9Sstevel@tonic-gate 36947c478bd9Sstevel@tonic-gate if (fclose(old_inst_file_fp) == EOF || err == EOF) { 36957c478bd9Sstevel@tonic-gate vprint(INFO_MID, CANT_UPDATE, old_inst_file); 36967c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 36977c478bd9Sstevel@tonic-gate goto out; 36987c478bd9Sstevel@tonic-gate /* NOTREACHED */ 36997c478bd9Sstevel@tonic-gate } 37007c478bd9Sstevel@tonic-gate 37017c478bd9Sstevel@tonic-gate /* 37027c478bd9Sstevel@tonic-gate * Set permissions to be the same on the backup as 37037c478bd9Sstevel@tonic-gate * /etc/path_to_inst. 37047c478bd9Sstevel@tonic-gate */ 37057c478bd9Sstevel@tonic-gate (void) chmod(old_inst_file, 0444); 37067c478bd9Sstevel@tonic-gate 37077c478bd9Sstevel@tonic-gate /* 37087c478bd9Sstevel@tonic-gate * So far, everything we've done is more or less reversible. 37097c478bd9Sstevel@tonic-gate * But now we're going to commit ourselves. 37107c478bd9Sstevel@tonic-gate */ 37117c478bd9Sstevel@tonic-gate 37127c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file_npid, 37137c478bd9Sstevel@tonic-gate inst_strlen + sizeof (INSTANCE_FILE_SUFFIX), 37147c478bd9Sstevel@tonic-gate "%s%s", inst_file, INSTANCE_FILE_SUFFIX); 37157c478bd9Sstevel@tonic-gate 37167c478bd9Sstevel@tonic-gate if ((err = rename(old_inst_file, old_inst_file_npid)) != 0) { 37177c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, old_inst_file_npid, 37187c478bd9Sstevel@tonic-gate strerror(errno)); 37197c478bd9Sstevel@tonic-gate } else if ((err = rename(new_inst_file, inst_file)) != 0) { 37207c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 37217c478bd9Sstevel@tonic-gate } 37227c478bd9Sstevel@tonic-gate 37237c478bd9Sstevel@tonic-gate out: 37247c478bd9Sstevel@tonic-gate if (inst_file_fp != NULL) { 37257c478bd9Sstevel@tonic-gate if (fclose(inst_file_fp) == EOF) { 37267c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, inst_file, strerror(errno)); 37277c478bd9Sstevel@tonic-gate } 37287c478bd9Sstevel@tonic-gate } 37297c478bd9Sstevel@tonic-gate 37307c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 37317c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 37327c478bd9Sstevel@tonic-gate } 37337c478bd9Sstevel@tonic-gate free(new_inst_file); 37347c478bd9Sstevel@tonic-gate 37357c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 37367c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 37377c478bd9Sstevel@tonic-gate } 37387c478bd9Sstevel@tonic-gate free(old_inst_file); 37397c478bd9Sstevel@tonic-gate 37407c478bd9Sstevel@tonic-gate free(old_inst_file_npid); 37417c478bd9Sstevel@tonic-gate 37427c478bd9Sstevel@tonic-gate if (err != 0 && err != EALREADY) { 37437c478bd9Sstevel@tonic-gate err_print(FAILED_TO_UPDATE, inst_file); 37447c478bd9Sstevel@tonic-gate } 37457c478bd9Sstevel@tonic-gate } 37467c478bd9Sstevel@tonic-gate 37477c478bd9Sstevel@tonic-gate /* 37487c478bd9Sstevel@tonic-gate * detach from tty. For daemon mode. 37497c478bd9Sstevel@tonic-gate */ 37507c478bd9Sstevel@tonic-gate void 37517c478bd9Sstevel@tonic-gate detachfromtty() 37527c478bd9Sstevel@tonic-gate { 37537c478bd9Sstevel@tonic-gate (void) setsid(); 37547c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON == TRUE) { 37557c478bd9Sstevel@tonic-gate return; 37567c478bd9Sstevel@tonic-gate } 37577c478bd9Sstevel@tonic-gate 37587c478bd9Sstevel@tonic-gate (void) close(0); 37597c478bd9Sstevel@tonic-gate (void) close(1); 37607c478bd9Sstevel@tonic-gate (void) close(2); 37617c478bd9Sstevel@tonic-gate (void) open("/dev/null", O_RDWR, 0); 37627c478bd9Sstevel@tonic-gate (void) dup(0); 37637c478bd9Sstevel@tonic-gate (void) dup(0); 37647c478bd9Sstevel@tonic-gate openlog(DEVFSADMD, LOG_PID, LOG_DAEMON); 37657c478bd9Sstevel@tonic-gate (void) setlogmask(LOG_UPTO(LOG_INFO)); 37667c478bd9Sstevel@tonic-gate logflag = TRUE; 37677c478bd9Sstevel@tonic-gate } 37687c478bd9Sstevel@tonic-gate 37697c478bd9Sstevel@tonic-gate /* 37707c478bd9Sstevel@tonic-gate * Use an advisory lock to synchronize updates to /dev. If the lock is 37717c478bd9Sstevel@tonic-gate * held by another process, block in the fcntl() system call until that 37727c478bd9Sstevel@tonic-gate * process drops the lock or exits. The lock file itself is 37737c478bd9Sstevel@tonic-gate * DEV_LOCK_FILE. The process id of the current and last process owning 37747c478bd9Sstevel@tonic-gate * the lock is kept in the lock file. After acquiring the lock, read the 37757c478bd9Sstevel@tonic-gate * process id and return it. It is the process ID which last owned the 37767c478bd9Sstevel@tonic-gate * lock, and will be used to determine if caches need to be flushed. 37777c478bd9Sstevel@tonic-gate * 37787c478bd9Sstevel@tonic-gate * NOTE: if the devlink database is held open by the caller, it may 37797c478bd9Sstevel@tonic-gate * be closed by this routine. This is to enforce the following lock ordering: 37807c478bd9Sstevel@tonic-gate * 1) /dev lock 2) database open 37817c478bd9Sstevel@tonic-gate */ 37827c478bd9Sstevel@tonic-gate pid_t 37837c478bd9Sstevel@tonic-gate enter_dev_lock() 37847c478bd9Sstevel@tonic-gate { 37857c478bd9Sstevel@tonic-gate struct flock lock; 37867c478bd9Sstevel@tonic-gate int n; 37877c478bd9Sstevel@tonic-gate pid_t pid; 37887c478bd9Sstevel@tonic-gate pid_t last_owner_pid; 37897c478bd9Sstevel@tonic-gate 37907c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 37917c478bd9Sstevel@tonic-gate return (0); 37927c478bd9Sstevel@tonic-gate } 37937c478bd9Sstevel@tonic-gate 37947c478bd9Sstevel@tonic-gate (void) snprintf(dev_lockfile, sizeof (dev_lockfile), 3795facf4a8dSllai "%s/%s", etc_dev_dir, DEV_LOCK_FILE); 37967c478bd9Sstevel@tonic-gate 37977c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_dev_lock: lock file %s\n", dev_lockfile); 37987c478bd9Sstevel@tonic-gate 37997c478bd9Sstevel@tonic-gate dev_lock_fd = open(dev_lockfile, O_CREAT|O_RDWR, 0644); 38007c478bd9Sstevel@tonic-gate if (dev_lock_fd < 0) { 38017c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, dev_lockfile, strerror(errno)); 38027c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38037c478bd9Sstevel@tonic-gate } 38047c478bd9Sstevel@tonic-gate 38057c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 38067c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 38077c478bd9Sstevel@tonic-gate lock.l_start = 0; 38087c478bd9Sstevel@tonic-gate lock.l_len = 0; 38097c478bd9Sstevel@tonic-gate 38107c478bd9Sstevel@tonic-gate /* try for the lock, but don't wait */ 38117c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &lock) == -1) { 38127c478bd9Sstevel@tonic-gate if ((errno == EACCES) || (errno == EAGAIN)) { 38137c478bd9Sstevel@tonic-gate pid = 0; 38147c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 38157c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "waiting for PID %d to complete\n", 38167c478bd9Sstevel@tonic-gate (int)pid); 38177c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 38187c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, 38197c478bd9Sstevel@tonic-gate strerror(errno)); 38207c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38217c478bd9Sstevel@tonic-gate } 38227c478bd9Sstevel@tonic-gate /* 38237c478bd9Sstevel@tonic-gate * wait for the dev lock. If we have the database open, 38247c478bd9Sstevel@tonic-gate * close it first - the order of lock acquisition should 38257c478bd9Sstevel@tonic-gate * always be: 1) dev_lock 2) database 38267c478bd9Sstevel@tonic-gate * This is to prevent deadlocks with any locks the 38277c478bd9Sstevel@tonic-gate * database code may hold. 38287c478bd9Sstevel@tonic-gate */ 38297c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 38307c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLKW, &lock) == -1) { 38317c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, dev_lockfile, 38327c478bd9Sstevel@tonic-gate strerror(errno)); 38337c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38347c478bd9Sstevel@tonic-gate } 38357c478bd9Sstevel@tonic-gate } 38367c478bd9Sstevel@tonic-gate } 38377c478bd9Sstevel@tonic-gate 38387c478bd9Sstevel@tonic-gate hold_dev_lock = TRUE; 38397c478bd9Sstevel@tonic-gate pid = 0; 38407c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 38417c478bd9Sstevel@tonic-gate if (n == sizeof (pid_t) && pid == getpid()) { 38427c478bd9Sstevel@tonic-gate return (pid); 38437c478bd9Sstevel@tonic-gate } 38447c478bd9Sstevel@tonic-gate 38457c478bd9Sstevel@tonic-gate last_owner_pid = pid; 38467c478bd9Sstevel@tonic-gate 38477c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 38487c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, strerror(errno)); 38497c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38507c478bd9Sstevel@tonic-gate } 38517c478bd9Sstevel@tonic-gate pid = getpid(); 38527c478bd9Sstevel@tonic-gate n = write(dev_lock_fd, &pid, sizeof (pid_t)); 38537c478bd9Sstevel@tonic-gate if (n != sizeof (pid_t)) { 38547c478bd9Sstevel@tonic-gate err_print(WRITE_FAILED, dev_lockfile, strerror(errno)); 38557c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38567c478bd9Sstevel@tonic-gate } 38577c478bd9Sstevel@tonic-gate 38587c478bd9Sstevel@tonic-gate return (last_owner_pid); 38597c478bd9Sstevel@tonic-gate } 38607c478bd9Sstevel@tonic-gate 38617c478bd9Sstevel@tonic-gate /* 38627c478bd9Sstevel@tonic-gate * Drop the advisory /dev lock, close lock file. Close and re-open the 38637c478bd9Sstevel@tonic-gate * file every time so to ensure a resync if for some reason the lock file 38647c478bd9Sstevel@tonic-gate * gets removed. 38657c478bd9Sstevel@tonic-gate */ 38667c478bd9Sstevel@tonic-gate void 38677c478bd9Sstevel@tonic-gate exit_dev_lock() 38687c478bd9Sstevel@tonic-gate { 38697c478bd9Sstevel@tonic-gate struct flock unlock; 38707c478bd9Sstevel@tonic-gate 38717c478bd9Sstevel@tonic-gate if (hold_dev_lock == FALSE) { 38727c478bd9Sstevel@tonic-gate return; 38737c478bd9Sstevel@tonic-gate } 38747c478bd9Sstevel@tonic-gate 38757c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "exit_dev_lock: lock file %s\n", dev_lockfile); 38767c478bd9Sstevel@tonic-gate 38777c478bd9Sstevel@tonic-gate unlock.l_type = F_UNLCK; 38787c478bd9Sstevel@tonic-gate unlock.l_whence = SEEK_SET; 38797c478bd9Sstevel@tonic-gate unlock.l_start = 0; 38807c478bd9Sstevel@tonic-gate unlock.l_len = 0; 38817c478bd9Sstevel@tonic-gate 38827c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &unlock) == -1) { 38837c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, dev_lockfile, strerror(errno)); 38847c478bd9Sstevel@tonic-gate } 38857c478bd9Sstevel@tonic-gate 38867c478bd9Sstevel@tonic-gate hold_dev_lock = FALSE; 38877c478bd9Sstevel@tonic-gate 38887c478bd9Sstevel@tonic-gate if (close(dev_lock_fd) == -1) { 38897c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, dev_lockfile, strerror(errno)); 38907c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38917c478bd9Sstevel@tonic-gate } 38927c478bd9Sstevel@tonic-gate } 38937c478bd9Sstevel@tonic-gate 38947c478bd9Sstevel@tonic-gate /* 38957c478bd9Sstevel@tonic-gate * 38967c478bd9Sstevel@tonic-gate * Use an advisory lock to ensure that only one daemon process is active 38977c478bd9Sstevel@tonic-gate * in the system at any point in time. If the lock is held by another 38987c478bd9Sstevel@tonic-gate * process, do not block but return the pid owner of the lock to the 38997c478bd9Sstevel@tonic-gate * caller immediately. The lock is cleared if the holding daemon process 39007c478bd9Sstevel@tonic-gate * exits for any reason even if the lock file remains, so the daemon can 39017c478bd9Sstevel@tonic-gate * be restarted if necessary. The lock file is DAEMON_LOCK_FILE. 39027c478bd9Sstevel@tonic-gate */ 39037c478bd9Sstevel@tonic-gate pid_t 39047c478bd9Sstevel@tonic-gate enter_daemon_lock(void) 39057c478bd9Sstevel@tonic-gate { 39067c478bd9Sstevel@tonic-gate struct flock lock; 39077c478bd9Sstevel@tonic-gate 39087c478bd9Sstevel@tonic-gate (void) snprintf(daemon_lockfile, sizeof (daemon_lockfile), 3909facf4a8dSllai "%s/%s", etc_dev_dir, DAEMON_LOCK_FILE); 39107c478bd9Sstevel@tonic-gate 39117c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_daemon_lock: lock file %s\n", daemon_lockfile); 39127c478bd9Sstevel@tonic-gate 39137c478bd9Sstevel@tonic-gate daemon_lock_fd = open(daemon_lockfile, O_CREAT|O_RDWR, 0644); 39147c478bd9Sstevel@tonic-gate if (daemon_lock_fd < 0) { 39157c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, daemon_lockfile, strerror(errno)); 39167c478bd9Sstevel@tonic-gate devfsadm_exit(1); 39177c478bd9Sstevel@tonic-gate } 39187c478bd9Sstevel@tonic-gate 39197c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 39207c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 39217c478bd9Sstevel@tonic-gate lock.l_start = 0; 39227c478bd9Sstevel@tonic-gate lock.l_len = 0; 39237c478bd9Sstevel@tonic-gate 39247c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 39257c478bd9Sstevel@tonic-gate 39267c478bd9Sstevel@tonic-gate if (errno == EAGAIN || errno == EDEADLK) { 39277c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_GETLK, &lock) == -1) { 39287c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, daemon_lockfile, 39297c478bd9Sstevel@tonic-gate strerror(errno)); 39307c478bd9Sstevel@tonic-gate devfsadm_exit(1); 39317c478bd9Sstevel@tonic-gate } 39327c478bd9Sstevel@tonic-gate return (lock.l_pid); 39337c478bd9Sstevel@tonic-gate } 39347c478bd9Sstevel@tonic-gate } 39357c478bd9Sstevel@tonic-gate hold_daemon_lock = TRUE; 39367c478bd9Sstevel@tonic-gate return (getpid()); 39377c478bd9Sstevel@tonic-gate } 39387c478bd9Sstevel@tonic-gate 39397c478bd9Sstevel@tonic-gate /* 39407c478bd9Sstevel@tonic-gate * Drop the advisory daemon lock, close lock file 39417c478bd9Sstevel@tonic-gate */ 39427c478bd9Sstevel@tonic-gate void 39437c478bd9Sstevel@tonic-gate exit_daemon_lock(void) 39447c478bd9Sstevel@tonic-gate { 39457c478bd9Sstevel@tonic-gate struct flock lock; 39467c478bd9Sstevel@tonic-gate 39477c478bd9Sstevel@tonic-gate if (hold_daemon_lock == FALSE) { 39487c478bd9Sstevel@tonic-gate return; 39497c478bd9Sstevel@tonic-gate } 39507c478bd9Sstevel@tonic-gate 39517c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "exit_daemon_lock: lock file %s\n", daemon_lockfile); 39527c478bd9Sstevel@tonic-gate 39537c478bd9Sstevel@tonic-gate lock.l_type = F_UNLCK; 39547c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 39557c478bd9Sstevel@tonic-gate lock.l_start = 0; 39567c478bd9Sstevel@tonic-gate lock.l_len = 0; 39577c478bd9Sstevel@tonic-gate 39587c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 39597c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, daemon_lockfile, strerror(errno)); 39607c478bd9Sstevel@tonic-gate } 39617c478bd9Sstevel@tonic-gate 39627c478bd9Sstevel@tonic-gate if (close(daemon_lock_fd) == -1) { 39637c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, daemon_lockfile, strerror(errno)); 39647c478bd9Sstevel@tonic-gate devfsadm_exit(1); 39657c478bd9Sstevel@tonic-gate } 39667c478bd9Sstevel@tonic-gate } 39677c478bd9Sstevel@tonic-gate 39687c478bd9Sstevel@tonic-gate /* 39697c478bd9Sstevel@tonic-gate * Called to removed danging nodes in two different modes: RM_PRE, RM_POST. 39707c478bd9Sstevel@tonic-gate * RM_PRE mode is called before processing the entire devinfo tree, and RM_POST 39717c478bd9Sstevel@tonic-gate * is called after processing the entire devinfo tree. 39727c478bd9Sstevel@tonic-gate */ 39737c478bd9Sstevel@tonic-gate static void 39747c478bd9Sstevel@tonic-gate pre_and_post_cleanup(int flags) 39757c478bd9Sstevel@tonic-gate { 39767c478bd9Sstevel@tonic-gate remove_list_t *rm; 39777c478bd9Sstevel@tonic-gate recurse_dev_t rd; 39787c478bd9Sstevel@tonic-gate cleanup_data_t cleanup_data; 39797c478bd9Sstevel@tonic-gate char *fcn = "pre_and_post_cleanup: "; 39807c478bd9Sstevel@tonic-gate 39817c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 39827c478bd9Sstevel@tonic-gate return; 39837c478bd9Sstevel@tonic-gate 39847c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "attempting %s-cleanup\n", 39857c478bd9Sstevel@tonic-gate flags == RM_PRE ? "pre" : "post"); 39867c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sflags = %d\n", fcn, flags); 39877c478bd9Sstevel@tonic-gate 39887c478bd9Sstevel@tonic-gate /* 39897c478bd9Sstevel@tonic-gate * the generic function recurse_dev_re is shared among different 39907c478bd9Sstevel@tonic-gate * functions, so set the method and data that it should use for 39917c478bd9Sstevel@tonic-gate * matches. 39927c478bd9Sstevel@tonic-gate */ 39937c478bd9Sstevel@tonic-gate rd.fcn = matching_dev; 39947c478bd9Sstevel@tonic-gate rd.data = (void *)&cleanup_data; 39957c478bd9Sstevel@tonic-gate cleanup_data.flags = flags; 39967c478bd9Sstevel@tonic-gate 3997aa646b9dSvikram (void) mutex_lock(&nfp_mutex); 3998aa646b9dSvikram nfphash_create(); 3999aa646b9dSvikram 40007c478bd9Sstevel@tonic-gate for (rm = remove_head; rm != NULL; rm = rm->next) { 40017c478bd9Sstevel@tonic-gate if ((flags & rm->remove->flags) == flags) { 40027c478bd9Sstevel@tonic-gate cleanup_data.rm = rm; 40037c478bd9Sstevel@tonic-gate /* 40047c478bd9Sstevel@tonic-gate * If reached this point, RM_PRE or RM_POST cleanup is 40057c478bd9Sstevel@tonic-gate * desired. clean_ok() decides whether to clean 40067c478bd9Sstevel@tonic-gate * under the given circumstances. 40077c478bd9Sstevel@tonic-gate */ 40087c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%scleanup: PRE or POST\n", fcn); 40097c478bd9Sstevel@tonic-gate if (clean_ok(rm->remove) == DEVFSADM_SUCCESS) { 40107c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "cleanup: cleanup OK\n"); 40117c478bd9Sstevel@tonic-gate recurse_dev_re(dev_dir, rm->remove-> 40127c478bd9Sstevel@tonic-gate dev_dirs_re, &rd); 40137c478bd9Sstevel@tonic-gate } 40147c478bd9Sstevel@tonic-gate } 40157c478bd9Sstevel@tonic-gate } 4016aa646b9dSvikram nfphash_destroy(); 4017aa646b9dSvikram (void) mutex_unlock(&nfp_mutex); 40187c478bd9Sstevel@tonic-gate } 40197c478bd9Sstevel@tonic-gate 40207c478bd9Sstevel@tonic-gate /* 40217c478bd9Sstevel@tonic-gate * clean_ok() determines whether cleanup should be done according 40227c478bd9Sstevel@tonic-gate * to the following matrix: 40237c478bd9Sstevel@tonic-gate * 40247c478bd9Sstevel@tonic-gate * command line arguments RM_PRE RM_POST RM_PRE && RM_POST && 40257c478bd9Sstevel@tonic-gate * RM_ALWAYS RM_ALWAYS 40267c478bd9Sstevel@tonic-gate * ---------------------- ------ ----- --------- ---------- 40277c478bd9Sstevel@tonic-gate * 40287c478bd9Sstevel@tonic-gate * <neither -c nor -C> - - pre-clean post-clean 40297c478bd9Sstevel@tonic-gate * 40307c478bd9Sstevel@tonic-gate * -C pre-clean post-clean pre-clean post-clean 40317c478bd9Sstevel@tonic-gate * 40327c478bd9Sstevel@tonic-gate * -C -c class pre-clean post-clean pre-clean post-clean 40337c478bd9Sstevel@tonic-gate * if class if class if class if class 40347c478bd9Sstevel@tonic-gate * matches matches matches matches 40357c478bd9Sstevel@tonic-gate * 40367c478bd9Sstevel@tonic-gate * -c class - - pre-clean post-clean 40377c478bd9Sstevel@tonic-gate * if class if class 40387c478bd9Sstevel@tonic-gate * matches matches 40397c478bd9Sstevel@tonic-gate * 40407c478bd9Sstevel@tonic-gate */ 40417c478bd9Sstevel@tonic-gate static int 4042aa646b9dSvikram clean_ok(devfsadm_remove_V1_t *remove) 40437c478bd9Sstevel@tonic-gate { 40447c478bd9Sstevel@tonic-gate int i; 40457c478bd9Sstevel@tonic-gate 40467c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 40477c478bd9Sstevel@tonic-gate /* no cleanup at all when using -i option */ 40487c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40497c478bd9Sstevel@tonic-gate } 40507c478bd9Sstevel@tonic-gate 40517c478bd9Sstevel@tonic-gate /* 40527c478bd9Sstevel@tonic-gate * no cleanup if drivers are not loaded. We make an exception 40537c478bd9Sstevel@tonic-gate * for the "disks" program however, since disks has a public 40547c478bd9Sstevel@tonic-gate * cleanup flag (-C) and disk drivers are usually never 40557c478bd9Sstevel@tonic-gate * unloaded. 40567c478bd9Sstevel@tonic-gate */ 40577c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE && strcmp(prog, DISKS) != 0) { 40587c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40597c478bd9Sstevel@tonic-gate } 40607c478bd9Sstevel@tonic-gate 40617c478bd9Sstevel@tonic-gate /* if the cleanup flag was not specified, return false */ 40627c478bd9Sstevel@tonic-gate if ((cleanup == FALSE) && ((remove->flags & RM_ALWAYS) == 0)) { 40637c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40647c478bd9Sstevel@tonic-gate } 40657c478bd9Sstevel@tonic-gate 40667c478bd9Sstevel@tonic-gate if (num_classes == 0) { 40677c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 40687c478bd9Sstevel@tonic-gate } 40697c478bd9Sstevel@tonic-gate 40707c478bd9Sstevel@tonic-gate /* 40717c478bd9Sstevel@tonic-gate * if reached this point, check to see if the class in the given 40727c478bd9Sstevel@tonic-gate * remove structure matches a class given on the command line 40737c478bd9Sstevel@tonic-gate */ 40747c478bd9Sstevel@tonic-gate 40757c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 40767c478bd9Sstevel@tonic-gate if (strcmp(remove->device_class, classes[i]) == 0) { 40777c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 40787c478bd9Sstevel@tonic-gate } 40797c478bd9Sstevel@tonic-gate } 40807c478bd9Sstevel@tonic-gate 40817c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40827c478bd9Sstevel@tonic-gate } 40837c478bd9Sstevel@tonic-gate 40847c478bd9Sstevel@tonic-gate /* 40857c478bd9Sstevel@tonic-gate * Called to remove dangling nodes after receiving a hotplug event 40867c478bd9Sstevel@tonic-gate * containing the physical node pathname to be removed. 40877c478bd9Sstevel@tonic-gate */ 40887c478bd9Sstevel@tonic-gate void 40897c478bd9Sstevel@tonic-gate hot_cleanup(char *node_path, char *minor_name, char *ev_subclass, 40907c478bd9Sstevel@tonic-gate char *driver_name, int instance) 40917c478bd9Sstevel@tonic-gate { 40927c478bd9Sstevel@tonic-gate link_t *link; 40937c478bd9Sstevel@tonic-gate linkhead_t *head; 40947c478bd9Sstevel@tonic-gate remove_list_t *rm; 40957c478bd9Sstevel@tonic-gate char *fcn = "hot_cleanup: "; 40967c478bd9Sstevel@tonic-gate char path[PATH_MAX + 1]; 40977c478bd9Sstevel@tonic-gate int path_len; 40987c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 40997c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 4100fb9251a6Scth int skip; 4101aa646b9dSvikram int ret; 41027c478bd9Sstevel@tonic-gate 41037c478bd9Sstevel@tonic-gate /* 41047c478bd9Sstevel@tonic-gate * dev links can go away as part of hot cleanup. 41057c478bd9Sstevel@tonic-gate * So first build event attributes in order capture dev links. 41067c478bd9Sstevel@tonic-gate */ 41077c478bd9Sstevel@tonic-gate if (ev_subclass != NULL) 41087c478bd9Sstevel@tonic-gate nvl = build_event_attributes(EC_DEV_REMOVE, ev_subclass, 41097c478bd9Sstevel@tonic-gate node_path, DI_NODE_NIL, driver_name, instance); 41107c478bd9Sstevel@tonic-gate 41117c478bd9Sstevel@tonic-gate (void) strcpy(path, node_path); 41127c478bd9Sstevel@tonic-gate (void) strcat(path, ":"); 41137c478bd9Sstevel@tonic-gate (void) strcat(path, minor_name == NULL ? "" : minor_name); 41147c478bd9Sstevel@tonic-gate 41157c478bd9Sstevel@tonic-gate path_len = strlen(path); 41167c478bd9Sstevel@tonic-gate 41177c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%spath=%s\n", fcn, path); 41187c478bd9Sstevel@tonic-gate 4119aa646b9dSvikram (void) mutex_lock(&nfp_mutex); 4120aa646b9dSvikram nfphash_create(); 4121aa646b9dSvikram 41227c478bd9Sstevel@tonic-gate for (rm = remove_head; rm != NULL; rm = rm->next) { 41237c478bd9Sstevel@tonic-gate if ((RM_HOT & rm->remove->flags) == RM_HOT) { 41247c478bd9Sstevel@tonic-gate head = get_cached_links(rm->remove->dev_dirs_re); 41257c478bd9Sstevel@tonic-gate assert(head->nextlink == NULL); 41267c478bd9Sstevel@tonic-gate for (link = head->link; 41277c478bd9Sstevel@tonic-gate link != NULL; link = head->nextlink) { 41287c478bd9Sstevel@tonic-gate /* 41297c478bd9Sstevel@tonic-gate * The remove callback below may remove 41307c478bd9Sstevel@tonic-gate * the current and/or any or all of the 41317c478bd9Sstevel@tonic-gate * subsequent links in the list. 41327c478bd9Sstevel@tonic-gate * Save the next link in the head. If 41337c478bd9Sstevel@tonic-gate * the callback removes the next link 41347c478bd9Sstevel@tonic-gate * the saved pointer in the head will be 41357c478bd9Sstevel@tonic-gate * updated by the callback to point at 41367c478bd9Sstevel@tonic-gate * the next valid link. 41377c478bd9Sstevel@tonic-gate */ 41387c478bd9Sstevel@tonic-gate head->nextlink = link->next; 4139aa646b9dSvikram 4140aa646b9dSvikram /* 4141aa646b9dSvikram * if devlink is in no-further-process hash, 4142aa646b9dSvikram * skip its remove 4143aa646b9dSvikram */ 4144aa646b9dSvikram if (nfphash_lookup(link->devlink) != NULL) 4145aa646b9dSvikram continue; 4146aa646b9dSvikram 4147fb9251a6Scth if (minor_name) 4148fb9251a6Scth skip = strcmp(link->contents, path); 4149fb9251a6Scth else 4150fb9251a6Scth skip = strncmp(link->contents, path, 4151fb9251a6Scth path_len); 4152fb9251a6Scth if (skip || 4153fb9251a6Scth (call_minor_init(rm->modptr) == 4154fb9251a6Scth DEVFSADM_FAILURE)) 4155fb9251a6Scth continue; 41567c478bd9Sstevel@tonic-gate 4157fb9251a6Scth vprint(REMOVE_MID, 4158fb9251a6Scth "%sremoving %s -> %s\n", fcn, 4159fb9251a6Scth link->devlink, link->contents); 4160fb9251a6Scth /* 4161fb9251a6Scth * Use a copy of the cached link name 4162fb9251a6Scth * as the cache entry will go away 4163fb9251a6Scth * during link removal 4164fb9251a6Scth */ 4165fb9251a6Scth (void) snprintf(rmlink, sizeof (rmlink), 4166fb9251a6Scth "%s", link->devlink); 4167aa646b9dSvikram if (rm->remove->flags & RM_NOINTERPOSE) { 4168aa646b9dSvikram ((void (*)(char *)) 4169aa646b9dSvikram (rm->remove->callback_fcn))(rmlink); 4170aa646b9dSvikram } else { 4171aa646b9dSvikram ret = ((int (*)(char *)) 4172aa646b9dSvikram (rm->remove->callback_fcn))(rmlink); 4173aa646b9dSvikram if (ret == DEVFSADM_TERMINATE) 4174aa646b9dSvikram nfphash_insert(rmlink); 4175aa646b9dSvikram } 41767c478bd9Sstevel@tonic-gate } 41777c478bd9Sstevel@tonic-gate } 41787c478bd9Sstevel@tonic-gate } 41797c478bd9Sstevel@tonic-gate 4180aa646b9dSvikram nfphash_destroy(); 4181aa646b9dSvikram (void) mutex_unlock(&nfp_mutex); 4182aa646b9dSvikram 418345916cd2Sjpk /* update device allocation database */ 418445916cd2Sjpk if (system_labeled) { 418545916cd2Sjpk int ret = 0; 418645916cd2Sjpk int devtype = 0; 418745916cd2Sjpk char devname[MAXNAMELEN]; 418845916cd2Sjpk 418945916cd2Sjpk devname[0] = '\0'; 419045916cd2Sjpk if (strstr(node_path, DA_SOUND_NAME)) 419145916cd2Sjpk devtype = DA_AUDIO; 419245916cd2Sjpk else if (strstr(node_path, "disk")) 419345916cd2Sjpk devtype = DA_RMDISK; 419445916cd2Sjpk else 419545916cd2Sjpk goto out; 419645916cd2Sjpk ret = da_remove_list(&devlist, NULL, devtype, devname, 419745916cd2Sjpk sizeof (devname)); 419845916cd2Sjpk if (ret != -1) 419945916cd2Sjpk (void) _update_devalloc_db(&devlist, devtype, DA_REMOVE, 420045916cd2Sjpk devname, root_dir); 420145916cd2Sjpk } 420245916cd2Sjpk 420345916cd2Sjpk out: 42047c478bd9Sstevel@tonic-gate /* now log an event */ 42057c478bd9Sstevel@tonic-gate if (nvl) { 42067c478bd9Sstevel@tonic-gate log_event(EC_DEV_REMOVE, ev_subclass, nvl); 42077c478bd9Sstevel@tonic-gate free(nvl); 42087c478bd9Sstevel@tonic-gate } 42097c478bd9Sstevel@tonic-gate } 42107c478bd9Sstevel@tonic-gate 42117c478bd9Sstevel@tonic-gate /* 42127c478bd9Sstevel@tonic-gate * Open the dir current_dir. For every file which matches the first dir 42137c478bd9Sstevel@tonic-gate * component of path_re, recurse. If there are no more *dir* path 42147c478bd9Sstevel@tonic-gate * components left in path_re (ie no more /), then call function rd->fcn. 42157c478bd9Sstevel@tonic-gate */ 42167c478bd9Sstevel@tonic-gate static void 42177c478bd9Sstevel@tonic-gate recurse_dev_re(char *current_dir, char *path_re, recurse_dev_t *rd) 42187c478bd9Sstevel@tonic-gate { 42197c478bd9Sstevel@tonic-gate regex_t re1; 42207c478bd9Sstevel@tonic-gate char *slash; 42217c478bd9Sstevel@tonic-gate char new_path[PATH_MAX + 1]; 42227c478bd9Sstevel@tonic-gate char *anchored_path_re; 42237c478bd9Sstevel@tonic-gate size_t len; 4224facf4a8dSllai char *pathlist; 4225facf4a8dSllai char *listp; 42267c478bd9Sstevel@tonic-gate 42277c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: curr = %s path=%s\n", 42287c478bd9Sstevel@tonic-gate current_dir, path_re); 42297c478bd9Sstevel@tonic-gate 4230facf4a8dSllai if ((pathlist = dev_readdir(current_dir)) == NULL) 42317c478bd9Sstevel@tonic-gate return; 42327c478bd9Sstevel@tonic-gate 42337c478bd9Sstevel@tonic-gate len = strlen(path_re); 42347c478bd9Sstevel@tonic-gate if ((slash = strchr(path_re, '/')) != NULL) { 42357c478bd9Sstevel@tonic-gate len = (slash - path_re); 42367c478bd9Sstevel@tonic-gate } 42377c478bd9Sstevel@tonic-gate 42387c478bd9Sstevel@tonic-gate anchored_path_re = s_malloc(len + 3); 42397c478bd9Sstevel@tonic-gate (void) sprintf(anchored_path_re, "^%.*s$", len, path_re); 42407c478bd9Sstevel@tonic-gate 42417c478bd9Sstevel@tonic-gate if (regcomp(&re1, anchored_path_re, REG_EXTENDED) != 0) { 42427c478bd9Sstevel@tonic-gate free(anchored_path_re); 42437c478bd9Sstevel@tonic-gate goto out; 42447c478bd9Sstevel@tonic-gate } 42457c478bd9Sstevel@tonic-gate 42467c478bd9Sstevel@tonic-gate free(anchored_path_re); 42477c478bd9Sstevel@tonic-gate 4248facf4a8dSllai for (listp = pathlist; (len = strlen(listp)) > 0; listp += len+1) { 42497c478bd9Sstevel@tonic-gate 4250facf4a8dSllai if (regexec(&re1, listp, 0, NULL, 0) == 0) { 42517c478bd9Sstevel@tonic-gate /* match */ 42527c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 42537c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 4254facf4a8dSllai (void) strcat(new_path, listp); 42557c478bd9Sstevel@tonic-gate 42567c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: match, new " 42577c478bd9Sstevel@tonic-gate "path = %s\n", new_path); 42587c478bd9Sstevel@tonic-gate 42597c478bd9Sstevel@tonic-gate if (slash != NULL) { 42607c478bd9Sstevel@tonic-gate recurse_dev_re(new_path, slash + 1, rd); 42617c478bd9Sstevel@tonic-gate } else { 42627c478bd9Sstevel@tonic-gate /* reached the leaf component of path_re */ 42637c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, 42647c478bd9Sstevel@tonic-gate "recurse_dev_re: calling fcn\n"); 42657c478bd9Sstevel@tonic-gate (*(rd->fcn))(new_path, rd->data); 42667c478bd9Sstevel@tonic-gate } 42677c478bd9Sstevel@tonic-gate } 42687c478bd9Sstevel@tonic-gate } 42697c478bd9Sstevel@tonic-gate 42707c478bd9Sstevel@tonic-gate regfree(&re1); 42717c478bd9Sstevel@tonic-gate 42727c478bd9Sstevel@tonic-gate out: 4273facf4a8dSllai free(pathlist); 42747c478bd9Sstevel@tonic-gate } 42757c478bd9Sstevel@tonic-gate 42767c478bd9Sstevel@tonic-gate /* 42777c478bd9Sstevel@tonic-gate * Found a devpath which matches a RE in the remove structure. 42787c478bd9Sstevel@tonic-gate * Now check to see if it is dangling. 42797c478bd9Sstevel@tonic-gate */ 42807c478bd9Sstevel@tonic-gate static void 42817c478bd9Sstevel@tonic-gate matching_dev(char *devpath, void *data) 42827c478bd9Sstevel@tonic-gate { 42837c478bd9Sstevel@tonic-gate cleanup_data_t *cleanup_data = data; 4284aa646b9dSvikram int norm_len = strlen(dev_dir) + strlen("/"); 4285aa646b9dSvikram int ret; 42867c478bd9Sstevel@tonic-gate char *fcn = "matching_dev: "; 42877c478bd9Sstevel@tonic-gate 42887c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "%sexamining devpath = '%s'\n", fcn, 42897c478bd9Sstevel@tonic-gate devpath); 42907c478bd9Sstevel@tonic-gate 4291aa646b9dSvikram /* 4292aa646b9dSvikram * If the link is in the no-further-process hash 4293aa646b9dSvikram * don't do any remove operation on it. 4294aa646b9dSvikram */ 4295aa646b9dSvikram if (nfphash_lookup(devpath + norm_len) != NULL) 4296aa646b9dSvikram return; 4297aa646b9dSvikram 42987c478bd9Sstevel@tonic-gate if (resolve_link(devpath, NULL, NULL, NULL, 1) == TRUE) { 42997c478bd9Sstevel@tonic-gate if (call_minor_init(cleanup_data->rm->modptr) == 43007c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 43017c478bd9Sstevel@tonic-gate return; 43027c478bd9Sstevel@tonic-gate } 43037c478bd9Sstevel@tonic-gate 4304aa646b9dSvikram devpath += norm_len; 43057c478bd9Sstevel@tonic-gate 43067c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "%scalling" 43077c478bd9Sstevel@tonic-gate " callback %s\n", fcn, devpath); 4308aa646b9dSvikram if (cleanup_data->rm->remove->flags & RM_NOINTERPOSE) 4309aa646b9dSvikram ((void (*)(char *)) 4310aa646b9dSvikram (cleanup_data->rm->remove->callback_fcn))(devpath); 4311aa646b9dSvikram else { 4312aa646b9dSvikram ret = ((int (*)(char *)) 4313aa646b9dSvikram (cleanup_data->rm->remove->callback_fcn))(devpath); 4314aa646b9dSvikram if (ret == DEVFSADM_TERMINATE) { 4315aa646b9dSvikram /* 4316aa646b9dSvikram * We want no further remove processing for 4317aa646b9dSvikram * this link. Add it to the nfp_hash; 4318aa646b9dSvikram */ 4319aa646b9dSvikram nfphash_insert(devpath); 4320aa646b9dSvikram } 4321aa646b9dSvikram } 43227c478bd9Sstevel@tonic-gate } 43237c478bd9Sstevel@tonic-gate } 43247c478bd9Sstevel@tonic-gate 43257c478bd9Sstevel@tonic-gate int 43267c478bd9Sstevel@tonic-gate devfsadm_read_link(char *link, char **devfs_path) 43277c478bd9Sstevel@tonic-gate { 43287c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 43297c478bd9Sstevel@tonic-gate 43307c478bd9Sstevel@tonic-gate *devfs_path = NULL; 43317c478bd9Sstevel@tonic-gate 43327c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 43337c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 43347c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 43357c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 43367c478bd9Sstevel@tonic-gate 43377c478bd9Sstevel@tonic-gate /* We *don't* want a stat of the /devices node */ 43387c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, devfs_path, 0); 43397c478bd9Sstevel@tonic-gate 43407c478bd9Sstevel@tonic-gate return (*devfs_path ? DEVFSADM_SUCCESS : DEVFSADM_FAILURE); 43417c478bd9Sstevel@tonic-gate } 43427c478bd9Sstevel@tonic-gate 43437c478bd9Sstevel@tonic-gate int 43447c478bd9Sstevel@tonic-gate devfsadm_link_valid(char *link) 43457c478bd9Sstevel@tonic-gate { 43467c478bd9Sstevel@tonic-gate struct stat sb; 434745916cd2Sjpk char devlink[PATH_MAX + 1], *contents = NULL; 43487c478bd9Sstevel@tonic-gate int rv, type; 434945916cd2Sjpk int instance = 0; 43507c478bd9Sstevel@tonic-gate 43517c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 43527c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 43537c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 43547c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 43557c478bd9Sstevel@tonic-gate 4356facf4a8dSllai if (!device_exists(devlink) || lstat(devlink, &sb) != 0) { 43577c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 43587c478bd9Sstevel@tonic-gate } 43597c478bd9Sstevel@tonic-gate 43607c478bd9Sstevel@tonic-gate contents = NULL; 43617c478bd9Sstevel@tonic-gate type = 0; 43627c478bd9Sstevel@tonic-gate if (resolve_link(devlink, &contents, &type, NULL, 1) == TRUE) { 43637c478bd9Sstevel@tonic-gate rv = DEVFSADM_FALSE; 43647c478bd9Sstevel@tonic-gate } else { 43657c478bd9Sstevel@tonic-gate rv = DEVFSADM_TRUE; 43667c478bd9Sstevel@tonic-gate } 43677c478bd9Sstevel@tonic-gate 43687c478bd9Sstevel@tonic-gate /* 43697c478bd9Sstevel@tonic-gate * The link exists. Add it to the database 43707c478bd9Sstevel@tonic-gate */ 43717c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, type); 437245916cd2Sjpk if (system_labeled && (rv == DEVFSADM_TRUE) && 437345916cd2Sjpk strstr(devlink, DA_AUDIO_NAME) && contents) { 437445916cd2Sjpk (void) sscanf(contents, "%*[a-z]%d", &instance); 437545916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, 437645916cd2Sjpk DA_ADD|DA_AUDIO); 437745916cd2Sjpk _update_devalloc_db(&devlist, 0, DA_ADD, NULL, root_dir); 437845916cd2Sjpk } 43797c478bd9Sstevel@tonic-gate free(contents); 43807c478bd9Sstevel@tonic-gate 43817c478bd9Sstevel@tonic-gate return (rv); 43827c478bd9Sstevel@tonic-gate } 43837c478bd9Sstevel@tonic-gate 43847c478bd9Sstevel@tonic-gate /* 43857c478bd9Sstevel@tonic-gate * devpath: Absolute path to /dev link 43867c478bd9Sstevel@tonic-gate * content_p: Returns malloced string (link content) 43877c478bd9Sstevel@tonic-gate * type_p: Returns link type: primary or secondary 43887c478bd9Sstevel@tonic-gate * devfs_path: Returns malloced string: /devices path w/out "/devices" 43897c478bd9Sstevel@tonic-gate * dangle: if set, check if link is dangling 43907c478bd9Sstevel@tonic-gate * Returns: 43917c478bd9Sstevel@tonic-gate * TRUE if dangling 43927c478bd9Sstevel@tonic-gate * FALSE if not or if caller doesn't care 43937c478bd9Sstevel@tonic-gate * Caller is assumed to have initialized pointer contents to NULL 43947c478bd9Sstevel@tonic-gate */ 43957c478bd9Sstevel@tonic-gate static int 43967c478bd9Sstevel@tonic-gate resolve_link(char *devpath, char **content_p, int *type_p, char **devfs_path, 43977c478bd9Sstevel@tonic-gate int dangle) 43987c478bd9Sstevel@tonic-gate { 43997c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 44007c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 44017c478bd9Sstevel@tonic-gate char *fcn = "resolve_link: "; 44027c478bd9Sstevel@tonic-gate char *ptr; 44037c478bd9Sstevel@tonic-gate int linksize; 44047c478bd9Sstevel@tonic-gate int rv = TRUE; 44057c478bd9Sstevel@tonic-gate struct stat sb; 44067c478bd9Sstevel@tonic-gate 44077c478bd9Sstevel@tonic-gate linksize = readlink(devpath, contents, PATH_MAX); 44087c478bd9Sstevel@tonic-gate 44097c478bd9Sstevel@tonic-gate if (linksize <= 0) { 44107c478bd9Sstevel@tonic-gate return (FALSE); 44117c478bd9Sstevel@tonic-gate } else { 44127c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 44137c478bd9Sstevel@tonic-gate } 44147c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s %s -> %s\n", fcn, devpath, contents); 44157c478bd9Sstevel@tonic-gate 44167c478bd9Sstevel@tonic-gate if (content_p) { 44177c478bd9Sstevel@tonic-gate *content_p = s_strdup(contents); 44187c478bd9Sstevel@tonic-gate } 44197c478bd9Sstevel@tonic-gate 44207c478bd9Sstevel@tonic-gate /* 44217c478bd9Sstevel@tonic-gate * Check to see if this is a link pointing to another link in /dev. The 44227c478bd9Sstevel@tonic-gate * cheap way to do this is to look for a lack of ../devices/. 44237c478bd9Sstevel@tonic-gate */ 44247c478bd9Sstevel@tonic-gate 44257c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_FALSE) { 44267c478bd9Sstevel@tonic-gate 44277c478bd9Sstevel@tonic-gate if (type_p) { 44287c478bd9Sstevel@tonic-gate *type_p = DI_SECONDARY_LINK; 44297c478bd9Sstevel@tonic-gate } 44307c478bd9Sstevel@tonic-gate 44317c478bd9Sstevel@tonic-gate /* 44327c478bd9Sstevel@tonic-gate * assume that linkcontents is really a pointer to another 44337c478bd9Sstevel@tonic-gate * link, and if so recurse and read its link contents. 44347c478bd9Sstevel@tonic-gate */ 44357c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 44367c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, dev_dir); 44377c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 44387c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, 44397c478bd9Sstevel@tonic-gate &contents[strlen(DEV) + strlen("/")]); 44407c478bd9Sstevel@tonic-gate } else { 44417c478bd9Sstevel@tonic-gate if ((ptr = strrchr(devpath, '/')) == NULL) { 44427c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid link. " 44437c478bd9Sstevel@tonic-gate "missing '/'\n", fcn, devpath, 44447c478bd9Sstevel@tonic-gate contents); 44457c478bd9Sstevel@tonic-gate return (TRUE); 44467c478bd9Sstevel@tonic-gate } 44477c478bd9Sstevel@tonic-gate *ptr = '\0'; 44487c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, devpath); 44497c478bd9Sstevel@tonic-gate *ptr = '/'; 44507c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 44517c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 44527c478bd9Sstevel@tonic-gate } 44537c478bd9Sstevel@tonic-gate return (resolve_link(stage_link, NULL, NULL, devfs_path, 44547c478bd9Sstevel@tonic-gate dangle)); 44557c478bd9Sstevel@tonic-gate } 44567c478bd9Sstevel@tonic-gate 44577c478bd9Sstevel@tonic-gate /* Current link points at a /devices minor node */ 44587c478bd9Sstevel@tonic-gate if (type_p) { 44597c478bd9Sstevel@tonic-gate *type_p = DI_PRIMARY_LINK; 44607c478bd9Sstevel@tonic-gate } 44617c478bd9Sstevel@tonic-gate 44627c478bd9Sstevel@tonic-gate if (devfs_path) 44637c478bd9Sstevel@tonic-gate *devfs_path = s_strdup(ptr); 44647c478bd9Sstevel@tonic-gate 44657c478bd9Sstevel@tonic-gate rv = FALSE; 44667c478bd9Sstevel@tonic-gate if (dangle) 44677c478bd9Sstevel@tonic-gate rv = (stat(ptr - strlen(DEVICES), &sb) == -1); 44687c478bd9Sstevel@tonic-gate 44697c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%slink=%s, returning %s\n", fcn, 44707c478bd9Sstevel@tonic-gate devpath, ((rv == TRUE) ? "TRUE" : "FALSE")); 44717c478bd9Sstevel@tonic-gate 44727c478bd9Sstevel@tonic-gate return (rv); 44737c478bd9Sstevel@tonic-gate } 44747c478bd9Sstevel@tonic-gate 44757c478bd9Sstevel@tonic-gate /* 44767c478bd9Sstevel@tonic-gate * Returns the substring of interest, given a path. 44777c478bd9Sstevel@tonic-gate */ 44787c478bd9Sstevel@tonic-gate static char * 44797c478bd9Sstevel@tonic-gate alloc_cmp_str(const char *path, devfsadm_enumerate_t *dep) 44807c478bd9Sstevel@tonic-gate { 44817c478bd9Sstevel@tonic-gate uint_t match; 44827c478bd9Sstevel@tonic-gate char *np, *ap, *mp; 44837c478bd9Sstevel@tonic-gate char *cmp_str = NULL; 44847c478bd9Sstevel@tonic-gate char at[] = "@"; 44857c478bd9Sstevel@tonic-gate char *fcn = "alloc_cmp_str"; 44867c478bd9Sstevel@tonic-gate 44877c478bd9Sstevel@tonic-gate np = ap = mp = NULL; 44887c478bd9Sstevel@tonic-gate 44897c478bd9Sstevel@tonic-gate /* 44907c478bd9Sstevel@tonic-gate * extract match flags from the flags argument. 44917c478bd9Sstevel@tonic-gate */ 44927c478bd9Sstevel@tonic-gate match = (dep->flags & MATCH_MASK); 44937c478bd9Sstevel@tonic-gate 44947c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: enumeration match type: 0x%x" 44957c478bd9Sstevel@tonic-gate " path: %s\n", fcn, match, path); 44967c478bd9Sstevel@tonic-gate 44977c478bd9Sstevel@tonic-gate /* 44987c478bd9Sstevel@tonic-gate * MATCH_CALLBACK and MATCH_ALL are the only flags 44997c478bd9Sstevel@tonic-gate * which may be used if "path" is a /dev path 45007c478bd9Sstevel@tonic-gate */ 45017c478bd9Sstevel@tonic-gate if (match == MATCH_CALLBACK) { 45027c478bd9Sstevel@tonic-gate if (dep->sel_fcn == NULL) { 45037c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumerate" 45047c478bd9Sstevel@tonic-gate " callback: path: %s\n", fcn, path); 45057c478bd9Sstevel@tonic-gate return (NULL); 45067c478bd9Sstevel@tonic-gate } 45077c478bd9Sstevel@tonic-gate cmp_str = dep->sel_fcn(path, dep->cb_arg); 45087c478bd9Sstevel@tonic-gate return (cmp_str); 45097c478bd9Sstevel@tonic-gate } 45107c478bd9Sstevel@tonic-gate 45117c478bd9Sstevel@tonic-gate cmp_str = s_strdup(path); 45127c478bd9Sstevel@tonic-gate 45137c478bd9Sstevel@tonic-gate if (match == MATCH_ALL) { 45147c478bd9Sstevel@tonic-gate return (cmp_str); 45157c478bd9Sstevel@tonic-gate } 45167c478bd9Sstevel@tonic-gate 45177c478bd9Sstevel@tonic-gate /* 45187c478bd9Sstevel@tonic-gate * The remaining flags make sense only for /devices 45197c478bd9Sstevel@tonic-gate * paths 45207c478bd9Sstevel@tonic-gate */ 45217c478bd9Sstevel@tonic-gate if ((mp = strrchr(cmp_str, ':')) == NULL) { 45227c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 45237c478bd9Sstevel@tonic-gate fcn, path); 45247c478bd9Sstevel@tonic-gate goto err; 45257c478bd9Sstevel@tonic-gate } 45267c478bd9Sstevel@tonic-gate 45277c478bd9Sstevel@tonic-gate if (match == MATCH_MINOR) { 45287c478bd9Sstevel@tonic-gate /* A NULL "match_arg" values implies entire minor */ 45297c478bd9Sstevel@tonic-gate if (get_component(mp + 1, dep->match_arg) == NULL) { 45307c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid minor component:" 45317c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 45327c478bd9Sstevel@tonic-gate goto err; 45337c478bd9Sstevel@tonic-gate } 45347c478bd9Sstevel@tonic-gate return (cmp_str); 45357c478bd9Sstevel@tonic-gate } 45367c478bd9Sstevel@tonic-gate 45377c478bd9Sstevel@tonic-gate if ((np = strrchr(cmp_str, '/')) == NULL) { 45387c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", fcn, path); 45397c478bd9Sstevel@tonic-gate goto err; 45407c478bd9Sstevel@tonic-gate } 45417c478bd9Sstevel@tonic-gate 45427c478bd9Sstevel@tonic-gate if (match == MATCH_PARENT) { 45437c478bd9Sstevel@tonic-gate if (strcmp(cmp_str, "/") == 0) { 45447c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 45457c478bd9Sstevel@tonic-gate fcn, path); 45467c478bd9Sstevel@tonic-gate goto err; 45477c478bd9Sstevel@tonic-gate } 45487c478bd9Sstevel@tonic-gate 45497c478bd9Sstevel@tonic-gate if (np == cmp_str) { 45507c478bd9Sstevel@tonic-gate *(np + 1) = '\0'; 45517c478bd9Sstevel@tonic-gate } else { 45527c478bd9Sstevel@tonic-gate *np = '\0'; 45537c478bd9Sstevel@tonic-gate } 45547c478bd9Sstevel@tonic-gate return (cmp_str); 45557c478bd9Sstevel@tonic-gate } 45567c478bd9Sstevel@tonic-gate 45577c478bd9Sstevel@tonic-gate /* ap can be NULL - Leaf address may not exist or be empty string */ 45587c478bd9Sstevel@tonic-gate ap = strchr(np+1, '@'); 45597c478bd9Sstevel@tonic-gate 45607c478bd9Sstevel@tonic-gate /* minor is no longer of interest */ 45617c478bd9Sstevel@tonic-gate *mp = '\0'; 45627c478bd9Sstevel@tonic-gate 45637c478bd9Sstevel@tonic-gate if (match == MATCH_NODE) { 45647c478bd9Sstevel@tonic-gate if (ap) 45657c478bd9Sstevel@tonic-gate *ap = '\0'; 45667c478bd9Sstevel@tonic-gate return (cmp_str); 45677c478bd9Sstevel@tonic-gate } else if (match == MATCH_ADDR) { 45687c478bd9Sstevel@tonic-gate /* 45697c478bd9Sstevel@tonic-gate * The empty string is a valid address. The only MATCH_ADDR 45707c478bd9Sstevel@tonic-gate * allowed in this case is against the whole address or 45717c478bd9Sstevel@tonic-gate * the first component of the address (match_arg=NULL/"0"/"1") 45727c478bd9Sstevel@tonic-gate * Note that in this case, the path won't have an "@" 45737c478bd9Sstevel@tonic-gate * As a result ap will be NULL. We fake up an ap = @'\0' 45747c478bd9Sstevel@tonic-gate * so that get_component() will work correctly. 45757c478bd9Sstevel@tonic-gate */ 45767c478bd9Sstevel@tonic-gate if (ap == NULL) { 45777c478bd9Sstevel@tonic-gate ap = at; 45787c478bd9Sstevel@tonic-gate } 45797c478bd9Sstevel@tonic-gate 45807c478bd9Sstevel@tonic-gate if (get_component(ap + 1, dep->match_arg) == NULL) { 45817c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid leaf addr. component:" 45827c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 45837c478bd9Sstevel@tonic-gate goto err; 45847c478bd9Sstevel@tonic-gate } 45857c478bd9Sstevel@tonic-gate return (cmp_str); 45867c478bd9Sstevel@tonic-gate } 45877c478bd9Sstevel@tonic-gate 45887c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: 0x%x" 45897c478bd9Sstevel@tonic-gate " path: %s\n", fcn, dep->flags, path); 45907c478bd9Sstevel@tonic-gate 45917c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 45927c478bd9Sstevel@tonic-gate err: 45937c478bd9Sstevel@tonic-gate free(cmp_str); 45947c478bd9Sstevel@tonic-gate return (NULL); 45957c478bd9Sstevel@tonic-gate } 45967c478bd9Sstevel@tonic-gate 45977c478bd9Sstevel@tonic-gate 45987c478bd9Sstevel@tonic-gate /* 45997c478bd9Sstevel@tonic-gate * "str" is expected to be a string with components separated by ',' 46007c478bd9Sstevel@tonic-gate * The terminating null char is considered a separator. 46017c478bd9Sstevel@tonic-gate * get_component() will remove the portion of the string beyond 46027c478bd9Sstevel@tonic-gate * the component indicated. 46037c478bd9Sstevel@tonic-gate * If comp_str is NULL, the entire "str" is returned. 46047c478bd9Sstevel@tonic-gate */ 46057c478bd9Sstevel@tonic-gate static char * 46067c478bd9Sstevel@tonic-gate get_component(char *str, const char *comp_str) 46077c478bd9Sstevel@tonic-gate { 46087c478bd9Sstevel@tonic-gate long comp; 46097c478bd9Sstevel@tonic-gate char *cp; 46107c478bd9Sstevel@tonic-gate 46117c478bd9Sstevel@tonic-gate if (str == NULL) { 46127c478bd9Sstevel@tonic-gate return (NULL); 46137c478bd9Sstevel@tonic-gate } 46147c478bd9Sstevel@tonic-gate 46157c478bd9Sstevel@tonic-gate if (comp_str == NULL) { 46167c478bd9Sstevel@tonic-gate return (str); 46177c478bd9Sstevel@tonic-gate } 46187c478bd9Sstevel@tonic-gate 46197c478bd9Sstevel@tonic-gate errno = 0; 46207c478bd9Sstevel@tonic-gate comp = strtol(comp_str, &cp, 10); 46217c478bd9Sstevel@tonic-gate if (errno != 0 || *cp != '\0' || comp < 0) { 46227c478bd9Sstevel@tonic-gate return (NULL); 46237c478bd9Sstevel@tonic-gate } 46247c478bd9Sstevel@tonic-gate 46257c478bd9Sstevel@tonic-gate if (comp == 0) 46267c478bd9Sstevel@tonic-gate return (str); 46277c478bd9Sstevel@tonic-gate 46287c478bd9Sstevel@tonic-gate for (cp = str; ; cp++) { 46297c478bd9Sstevel@tonic-gate if (*cp == ',' || *cp == '\0') 46307c478bd9Sstevel@tonic-gate comp--; 46317c478bd9Sstevel@tonic-gate if (*cp == '\0' || comp <= 0) { 46327c478bd9Sstevel@tonic-gate break; 46337c478bd9Sstevel@tonic-gate } 46347c478bd9Sstevel@tonic-gate } 46357c478bd9Sstevel@tonic-gate 46367c478bd9Sstevel@tonic-gate if (comp == 0) { 46377c478bd9Sstevel@tonic-gate *cp = '\0'; 46387c478bd9Sstevel@tonic-gate } else { 46397c478bd9Sstevel@tonic-gate str = NULL; 46407c478bd9Sstevel@tonic-gate } 46417c478bd9Sstevel@tonic-gate 46427c478bd9Sstevel@tonic-gate return (str); 46437c478bd9Sstevel@tonic-gate } 46447c478bd9Sstevel@tonic-gate 46457c478bd9Sstevel@tonic-gate 46467c478bd9Sstevel@tonic-gate /* 46477c478bd9Sstevel@tonic-gate * Enumerate serves as a generic counter as well as a means to determine 46487c478bd9Sstevel@tonic-gate * logical unit/controller numbers for such items as disk and tape 46497c478bd9Sstevel@tonic-gate * drives. 46507c478bd9Sstevel@tonic-gate * 46517c478bd9Sstevel@tonic-gate * rules[] is an array of devfsadm_enumerate_t structures which defines 46527c478bd9Sstevel@tonic-gate * the enumeration rules to be used for a specified set of links in /dev. 46537c478bd9Sstevel@tonic-gate * The set of links is specified through regular expressions (of the flavor 46547c478bd9Sstevel@tonic-gate * described in regex(5)). These regular expressions are used to determine 46557c478bd9Sstevel@tonic-gate * the set of links in /dev to examine. The last path component in these 46567c478bd9Sstevel@tonic-gate * regular expressions MUST contain a parenthesized subexpression surrounding 46577c478bd9Sstevel@tonic-gate * the RE which is to be considered the enumerating component. The subexp 46587c478bd9Sstevel@tonic-gate * member in a rule is the subexpression number of the enumerating 46597c478bd9Sstevel@tonic-gate * component. Subexpressions in the last path component are numbered starting 46607c478bd9Sstevel@tonic-gate * from 1. 46617c478bd9Sstevel@tonic-gate * 46627c478bd9Sstevel@tonic-gate * A cache of current id assignments is built up from existing symlinks and 46637c478bd9Sstevel@tonic-gate * new assignments use the lowest unused id. Assignments are based on a 46647c478bd9Sstevel@tonic-gate * match of a specified substring of a symlink's contents. If the specified 46657c478bd9Sstevel@tonic-gate * component for the devfs_path argument matches the corresponding substring 46667c478bd9Sstevel@tonic-gate * for a existing symlink's contents, the cached id is returned. Else, a new 46677c478bd9Sstevel@tonic-gate * id is created and returned in *buf. *buf must be freed by the caller. 46687c478bd9Sstevel@tonic-gate * 46697c478bd9Sstevel@tonic-gate * An id assignment may be governed by a combination of rules, each rule 46707c478bd9Sstevel@tonic-gate * applicable to a different subset of links in /dev. For example, controller 46717c478bd9Sstevel@tonic-gate * numbers may be determined by a combination of disk symlinks in /dev/[r]dsk 46727c478bd9Sstevel@tonic-gate * and controller symlinks in /dev/cfg, with the two sets requiring different 46737c478bd9Sstevel@tonic-gate * rules to derive the "substring of interest". In such cases, the rules 46747c478bd9Sstevel@tonic-gate * array will have more than one element. 46757c478bd9Sstevel@tonic-gate */ 46767c478bd9Sstevel@tonic-gate int 46777c478bd9Sstevel@tonic-gate devfsadm_enumerate_int(char *devfs_path, int index, char **buf, 46787c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 46797c478bd9Sstevel@tonic-gate { 46807c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 46817c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 0)); 46827c478bd9Sstevel@tonic-gate } 46837c478bd9Sstevel@tonic-gate 46847c478bd9Sstevel@tonic-gate int 46857c478bd9Sstevel@tonic-gate disk_enumerate_int(char *devfs_path, int index, char **buf, 46867c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 46877c478bd9Sstevel@tonic-gate { 46887c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 46897c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 1)); 46907c478bd9Sstevel@tonic-gate } 46917c478bd9Sstevel@tonic-gate 46927c478bd9Sstevel@tonic-gate /* 46937c478bd9Sstevel@tonic-gate * Same as above, but allows a starting value to be specified. 46947c478bd9Sstevel@tonic-gate * Private to devfsadm.... used by devlinks. 46957c478bd9Sstevel@tonic-gate */ 46967c478bd9Sstevel@tonic-gate static int 46977c478bd9Sstevel@tonic-gate devfsadm_enumerate_int_start(char *devfs_path, int index, char **buf, 46987c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 46997c478bd9Sstevel@tonic-gate { 47007c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 47017c478bd9Sstevel@tonic-gate devfs_path, index, start, INTEGER, buf, 0)); 47027c478bd9Sstevel@tonic-gate } 47037c478bd9Sstevel@tonic-gate 47047c478bd9Sstevel@tonic-gate /* 47057c478bd9Sstevel@tonic-gate * devfsadm_enumerate_char serves as a generic counter returning 47067c478bd9Sstevel@tonic-gate * a single letter. 47077c478bd9Sstevel@tonic-gate */ 47087c478bd9Sstevel@tonic-gate int 47097c478bd9Sstevel@tonic-gate devfsadm_enumerate_char(char *devfs_path, int index, char **buf, 47107c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 47117c478bd9Sstevel@tonic-gate { 47127c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 47137c478bd9Sstevel@tonic-gate devfs_path, index, "a", LETTER, buf, 0)); 47147c478bd9Sstevel@tonic-gate } 47157c478bd9Sstevel@tonic-gate 47167c478bd9Sstevel@tonic-gate /* 47177c478bd9Sstevel@tonic-gate * Same as above, but allows a starting char to be specified. 47187c478bd9Sstevel@tonic-gate * Private to devfsadm - used by ports module (port_link.c) 47197c478bd9Sstevel@tonic-gate */ 47207c478bd9Sstevel@tonic-gate int 47217c478bd9Sstevel@tonic-gate devfsadm_enumerate_char_start(char *devfs_path, int index, char **buf, 47227c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 47237c478bd9Sstevel@tonic-gate { 47247c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 47257c478bd9Sstevel@tonic-gate devfs_path, index, start, LETTER, buf, 0)); 47267c478bd9Sstevel@tonic-gate } 47277c478bd9Sstevel@tonic-gate 47287c478bd9Sstevel@tonic-gate 47297c478bd9Sstevel@tonic-gate /* 47307c478bd9Sstevel@tonic-gate * For a given numeral_set (see get_cached_set for desc of numeral_set), 47317c478bd9Sstevel@tonic-gate * search all cached entries looking for matches on a specified substring 47327c478bd9Sstevel@tonic-gate * of devfs_path. The substring is derived from devfs_path based on the 47337c478bd9Sstevel@tonic-gate * rule specified by "index". If a match is found on a cached entry, 47347c478bd9Sstevel@tonic-gate * return the enumerated id in buf. Otherwise, create a new id by calling 47357c478bd9Sstevel@tonic-gate * new_id, then cache and return that entry. 47367c478bd9Sstevel@tonic-gate */ 47377c478bd9Sstevel@tonic-gate static int 47387c478bd9Sstevel@tonic-gate find_enum_id(devfsadm_enumerate_t rules[], int nrules, 47397c478bd9Sstevel@tonic-gate char *devfs_path, int index, char *min, int type, char **buf, 47407c478bd9Sstevel@tonic-gate int multiple) 47417c478bd9Sstevel@tonic-gate { 47427c478bd9Sstevel@tonic-gate numeral_t *matchnp; 47437c478bd9Sstevel@tonic-gate numeral_t *numeral; 47447c478bd9Sstevel@tonic-gate int matchcount = 0; 47457c478bd9Sstevel@tonic-gate char *cmp_str; 47467c478bd9Sstevel@tonic-gate char *fcn = "find_enum_id"; 47477c478bd9Sstevel@tonic-gate numeral_set_t *set; 47487c478bd9Sstevel@tonic-gate 47497c478bd9Sstevel@tonic-gate if (rules == NULL) { 47507c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: no rules. path: %s\n", 47517c478bd9Sstevel@tonic-gate fcn, devfs_path ? devfs_path : "<NULL path>"); 47527c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47537c478bd9Sstevel@tonic-gate } 47547c478bd9Sstevel@tonic-gate 47557c478bd9Sstevel@tonic-gate if (devfs_path == NULL) { 47567c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: NULL path\n", fcn); 47577c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47587c478bd9Sstevel@tonic-gate } 47597c478bd9Sstevel@tonic-gate 47607c478bd9Sstevel@tonic-gate if (nrules <= 0 || index < 0 || index >= nrules || buf == NULL) { 47617c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid arguments. path: %s\n", 47627c478bd9Sstevel@tonic-gate fcn, devfs_path); 47637c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47647c478bd9Sstevel@tonic-gate } 47657c478bd9Sstevel@tonic-gate 47667c478bd9Sstevel@tonic-gate *buf = NULL; 47677c478bd9Sstevel@tonic-gate 47687c478bd9Sstevel@tonic-gate 47697c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(devfs_path, &rules[index]); 47707c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 47717c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47727c478bd9Sstevel@tonic-gate } 47737c478bd9Sstevel@tonic-gate 47747c478bd9Sstevel@tonic-gate if ((set = get_enum_cache(rules, nrules)) == NULL) { 47757c478bd9Sstevel@tonic-gate free(cmp_str); 47767c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47777c478bd9Sstevel@tonic-gate } 47787c478bd9Sstevel@tonic-gate 47797c478bd9Sstevel@tonic-gate assert(nrules == set->re_count); 47807c478bd9Sstevel@tonic-gate 47817c478bd9Sstevel@tonic-gate /* 47827c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 47837c478bd9Sstevel@tonic-gate */ 47847c478bd9Sstevel@tonic-gate matchcount = lookup_enum_cache(set, cmp_str, rules, index, 47857c478bd9Sstevel@tonic-gate &matchnp); 47867c478bd9Sstevel@tonic-gate 47877c478bd9Sstevel@tonic-gate if (matchcount < 0 || matchcount > 1) { 47887c478bd9Sstevel@tonic-gate free(cmp_str); 47897c478bd9Sstevel@tonic-gate if (multiple && matchcount > 1) 47907c478bd9Sstevel@tonic-gate return (DEVFSADM_MULTIPLE); 47917c478bd9Sstevel@tonic-gate else 47927c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47937c478bd9Sstevel@tonic-gate } 47947c478bd9Sstevel@tonic-gate 47957c478bd9Sstevel@tonic-gate /* if matching entry already cached, return it */ 47967c478bd9Sstevel@tonic-gate if (matchcount == 1) { 47977c478bd9Sstevel@tonic-gate *buf = s_strdup(matchnp->id); 47987c478bd9Sstevel@tonic-gate free(cmp_str); 47997c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 48007c478bd9Sstevel@tonic-gate } 48017c478bd9Sstevel@tonic-gate 48027c478bd9Sstevel@tonic-gate /* 48037c478bd9Sstevel@tonic-gate * no cached entry, initialize a numeral struct 48047c478bd9Sstevel@tonic-gate * by calling new_id() and cache onto the numeral_set 48057c478bd9Sstevel@tonic-gate */ 48067c478bd9Sstevel@tonic-gate numeral = s_malloc(sizeof (numeral_t)); 48077c478bd9Sstevel@tonic-gate numeral->id = new_id(set->headnumeral, type, min); 48087c478bd9Sstevel@tonic-gate numeral->full_path = s_strdup(devfs_path); 48097c478bd9Sstevel@tonic-gate numeral->rule_index = index; 48107c478bd9Sstevel@tonic-gate numeral->cmp_str = cmp_str; 48117c478bd9Sstevel@tonic-gate cmp_str = NULL; 48127c478bd9Sstevel@tonic-gate 48137c478bd9Sstevel@tonic-gate /* insert to head of list for fast lookups */ 48147c478bd9Sstevel@tonic-gate numeral->next = set->headnumeral; 48157c478bd9Sstevel@tonic-gate set->headnumeral = numeral; 48167c478bd9Sstevel@tonic-gate 48177c478bd9Sstevel@tonic-gate *buf = s_strdup(numeral->id); 48187c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 48197c478bd9Sstevel@tonic-gate } 48207c478bd9Sstevel@tonic-gate 48217c478bd9Sstevel@tonic-gate 48227c478bd9Sstevel@tonic-gate /* 48237c478bd9Sstevel@tonic-gate * Looks up the specified cache for a match with a specified string 48247c478bd9Sstevel@tonic-gate * Returns: 48257c478bd9Sstevel@tonic-gate * -1 : on error. 48267c478bd9Sstevel@tonic-gate * 0/1/2 : Number of matches. 48277c478bd9Sstevel@tonic-gate * Returns the matching element only if there is a single match. 48287c478bd9Sstevel@tonic-gate * If the "uncached" flag is set, derives the "cmp_str" afresh 48297c478bd9Sstevel@tonic-gate * for the match instead of using cached values. 48307c478bd9Sstevel@tonic-gate */ 48317c478bd9Sstevel@tonic-gate static int 48327c478bd9Sstevel@tonic-gate lookup_enum_cache(numeral_set_t *set, char *cmp_str, 48337c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index, numeral_t **matchnpp) 48347c478bd9Sstevel@tonic-gate { 48357c478bd9Sstevel@tonic-gate int matchcount = 0, rv = -1; 48367c478bd9Sstevel@tonic-gate int uncached; 48377c478bd9Sstevel@tonic-gate numeral_t *np; 48387c478bd9Sstevel@tonic-gate char *fcn = "lookup_enum_cache"; 48397c478bd9Sstevel@tonic-gate char *cp; 48407c478bd9Sstevel@tonic-gate 48417c478bd9Sstevel@tonic-gate *matchnpp = NULL; 48427c478bd9Sstevel@tonic-gate 48437c478bd9Sstevel@tonic-gate assert(index < set->re_count); 48447c478bd9Sstevel@tonic-gate 48457c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 48467c478bd9Sstevel@tonic-gate return (-1); 48477c478bd9Sstevel@tonic-gate } 48487c478bd9Sstevel@tonic-gate 48497c478bd9Sstevel@tonic-gate uncached = 0; 48507c478bd9Sstevel@tonic-gate if ((rules[index].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 48517c478bd9Sstevel@tonic-gate uncached = 1; 48527c478bd9Sstevel@tonic-gate } 48537c478bd9Sstevel@tonic-gate 48547c478bd9Sstevel@tonic-gate /* 48557c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 48567c478bd9Sstevel@tonic-gate */ 48577c478bd9Sstevel@tonic-gate for (np = set->headnumeral; np != NULL; np = np->next) { 48587c478bd9Sstevel@tonic-gate if (np->cmp_str == NULL) { 48597c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid entry in enumerate" 48607c478bd9Sstevel@tonic-gate " cache. path: %s\n", fcn, np->full_path); 48617c478bd9Sstevel@tonic-gate return (-1); 48627c478bd9Sstevel@tonic-gate } 48637c478bd9Sstevel@tonic-gate 48647c478bd9Sstevel@tonic-gate if (uncached) { 48657c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: bypassing enumerate cache." 48667c478bd9Sstevel@tonic-gate " path: %s\n", fcn, cmp_str); 48677c478bd9Sstevel@tonic-gate cp = alloc_cmp_str(np->full_path, 48687c478bd9Sstevel@tonic-gate &rules[np->rule_index]); 48697c478bd9Sstevel@tonic-gate if (cp == NULL) 48707c478bd9Sstevel@tonic-gate return (-1); 48717c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, cp); 48727c478bd9Sstevel@tonic-gate free(cp); 48737c478bd9Sstevel@tonic-gate } else { 48747c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, np->cmp_str); 48757c478bd9Sstevel@tonic-gate } 48767c478bd9Sstevel@tonic-gate 48777c478bd9Sstevel@tonic-gate if (rv == 0) { 48787c478bd9Sstevel@tonic-gate if (matchcount++ != 0) { 48797c478bd9Sstevel@tonic-gate break; /* more than 1 match. */ 48807c478bd9Sstevel@tonic-gate } 48817c478bd9Sstevel@tonic-gate *matchnpp = np; 48827c478bd9Sstevel@tonic-gate } 48837c478bd9Sstevel@tonic-gate } 48847c478bd9Sstevel@tonic-gate 48857c478bd9Sstevel@tonic-gate return (matchcount); 48867c478bd9Sstevel@tonic-gate } 48877c478bd9Sstevel@tonic-gate 48887c478bd9Sstevel@tonic-gate #ifdef DEBUG 48897c478bd9Sstevel@tonic-gate static void 48907c478bd9Sstevel@tonic-gate dump_enum_cache(numeral_set_t *setp) 48917c478bd9Sstevel@tonic-gate { 48927c478bd9Sstevel@tonic-gate int i; 48937c478bd9Sstevel@tonic-gate numeral_t *np; 48947c478bd9Sstevel@tonic-gate char *fcn = "dump_enum_cache"; 48957c478bd9Sstevel@tonic-gate 48967c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re_count = %d\n", fcn, setp->re_count); 48977c478bd9Sstevel@tonic-gate for (i = 0; i < setp->re_count; i++) { 48987c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re[%d] = %s\n", fcn, i, setp->re[i]); 48997c478bd9Sstevel@tonic-gate } 49007c478bd9Sstevel@tonic-gate 49017c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 49027c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: id: %s\n", fcn, np->id); 49037c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: full_path: %s\n", fcn, np->full_path); 49047c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: rule_index: %d\n", fcn, np->rule_index); 49057c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: cmp_str: %s\n", fcn, np->cmp_str); 49067c478bd9Sstevel@tonic-gate } 49077c478bd9Sstevel@tonic-gate } 49087c478bd9Sstevel@tonic-gate #endif 49097c478bd9Sstevel@tonic-gate 49107c478bd9Sstevel@tonic-gate /* 49117c478bd9Sstevel@tonic-gate * For a given set of regular expressions in rules[], this function returns 49127c478bd9Sstevel@tonic-gate * either a previously cached struct numeral_set or it will create and 49137c478bd9Sstevel@tonic-gate * cache a new struct numeral_set. There is only one struct numeral_set 49147c478bd9Sstevel@tonic-gate * for the combination of REs present in rules[]. Each numeral_set contains 49157c478bd9Sstevel@tonic-gate * the regular expressions in rules[] used for cache selection AND a linked 49167c478bd9Sstevel@tonic-gate * list of struct numerals, ONE FOR EACH *UNIQUE* numeral or character ID 49177c478bd9Sstevel@tonic-gate * selected by the grouping parenthesized subexpression found in the last 49187c478bd9Sstevel@tonic-gate * path component of each rules[].re. For example, the RE: "rmt/([0-9]+)" 49197c478bd9Sstevel@tonic-gate * selects all the logical nodes of the correct form in dev/rmt/. 49207c478bd9Sstevel@tonic-gate * Each rmt/X will store a *single* struct numeral... ie 0, 1, 2 each get a 49217c478bd9Sstevel@tonic-gate * single struct numeral. There is no need to store more than a single logical 49227c478bd9Sstevel@tonic-gate * node matching X since the information desired in the devfspath would be 49237c478bd9Sstevel@tonic-gate * identical for the portion of the devfspath of interest. (the part up to, 49247c478bd9Sstevel@tonic-gate * but not including the minor name in this example.) 49257c478bd9Sstevel@tonic-gate * 49267c478bd9Sstevel@tonic-gate * If the given numeral_set is not yet cached, call enumerate_recurse to 49277c478bd9Sstevel@tonic-gate * create it. 49287c478bd9Sstevel@tonic-gate */ 49297c478bd9Sstevel@tonic-gate static numeral_set_t * 49307c478bd9Sstevel@tonic-gate get_enum_cache(devfsadm_enumerate_t rules[], int nrules) 49317c478bd9Sstevel@tonic-gate { 49327c478bd9Sstevel@tonic-gate /* linked list of numeral sets */ 49337c478bd9Sstevel@tonic-gate numeral_set_t *setp; 49347c478bd9Sstevel@tonic-gate int i; 49357c478bd9Sstevel@tonic-gate char *path_left; 49367c478bd9Sstevel@tonic-gate char *fcn = "get_enum_cache"; 49377c478bd9Sstevel@tonic-gate 49387c478bd9Sstevel@tonic-gate /* 49397c478bd9Sstevel@tonic-gate * See if we've already cached this numeral set. 49407c478bd9Sstevel@tonic-gate */ 49417c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; setp = setp->next) { 49427c478bd9Sstevel@tonic-gate /* 49437c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 49447c478bd9Sstevel@tonic-gate * those in cached set. 49457c478bd9Sstevel@tonic-gate */ 49467c478bd9Sstevel@tonic-gate if (nrules != setp->re_count) { 49477c478bd9Sstevel@tonic-gate continue; 49487c478bd9Sstevel@tonic-gate } 49497c478bd9Sstevel@tonic-gate 49507c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 49517c478bd9Sstevel@tonic-gate if (strcmp(setp->re[i], rules[i].re) != 0) { 49527c478bd9Sstevel@tonic-gate break; 49537c478bd9Sstevel@tonic-gate } 49547c478bd9Sstevel@tonic-gate } 49557c478bd9Sstevel@tonic-gate 49567c478bd9Sstevel@tonic-gate if (i == nrules) { 49577c478bd9Sstevel@tonic-gate return (setp); 49587c478bd9Sstevel@tonic-gate } 49597c478bd9Sstevel@tonic-gate } 49607c478bd9Sstevel@tonic-gate 49617c478bd9Sstevel@tonic-gate /* 49627c478bd9Sstevel@tonic-gate * If the MATCH_UNCACHED flag is set, we should not be here. 49637c478bd9Sstevel@tonic-gate */ 49647c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 49657c478bd9Sstevel@tonic-gate if ((rules[i].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 49667c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: " 49677c478bd9Sstevel@tonic-gate "0x%x\n", fcn, rules[i].flags); 49687c478bd9Sstevel@tonic-gate return (NULL); 49697c478bd9Sstevel@tonic-gate } 49707c478bd9Sstevel@tonic-gate } 49717c478bd9Sstevel@tonic-gate 49727c478bd9Sstevel@tonic-gate /* 49737c478bd9Sstevel@tonic-gate * Since we made it here, we have not yet cached the given set of 49747c478bd9Sstevel@tonic-gate * logical nodes matching the passed re. Create a cached entry 49757c478bd9Sstevel@tonic-gate * struct numeral_set and populate it with a minimal set of 49767c478bd9Sstevel@tonic-gate * logical nodes from /dev. 49777c478bd9Sstevel@tonic-gate */ 49787c478bd9Sstevel@tonic-gate 49797c478bd9Sstevel@tonic-gate setp = s_malloc(sizeof (numeral_set_t)); 49807c478bd9Sstevel@tonic-gate setp->re = s_malloc(sizeof (char *) * nrules); 49817c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 49827c478bd9Sstevel@tonic-gate setp->re[i] = s_strdup(rules[i].re); 49837c478bd9Sstevel@tonic-gate } 49847c478bd9Sstevel@tonic-gate setp->re_count = nrules; 49857c478bd9Sstevel@tonic-gate setp->headnumeral = NULL; 49867c478bd9Sstevel@tonic-gate 49877c478bd9Sstevel@tonic-gate /* put this new cached set on the cached set list */ 49887c478bd9Sstevel@tonic-gate setp->next = head_numeral_set; 49897c478bd9Sstevel@tonic-gate head_numeral_set = setp; 49907c478bd9Sstevel@tonic-gate 49917c478bd9Sstevel@tonic-gate /* 49927c478bd9Sstevel@tonic-gate * For each RE, search disk and cache any matches on the 4993facf4a8dSllai * numeral list. 49947c478bd9Sstevel@tonic-gate */ 49957c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 49967c478bd9Sstevel@tonic-gate path_left = s_strdup(setp->re[i]); 4997facf4a8dSllai enumerate_recurse(dev_dir, path_left, setp, rules, i); 49987c478bd9Sstevel@tonic-gate free(path_left); 49997c478bd9Sstevel@tonic-gate } 50007c478bd9Sstevel@tonic-gate 50017c478bd9Sstevel@tonic-gate #ifdef DEBUG 50027c478bd9Sstevel@tonic-gate dump_enum_cache(setp); 50037c478bd9Sstevel@tonic-gate #endif 50047c478bd9Sstevel@tonic-gate 50057c478bd9Sstevel@tonic-gate return (setp); 50067c478bd9Sstevel@tonic-gate } 50077c478bd9Sstevel@tonic-gate 50087c478bd9Sstevel@tonic-gate 50097c478bd9Sstevel@tonic-gate /* 50107c478bd9Sstevel@tonic-gate * This function stats the pathname namebuf. If this is a directory 50117c478bd9Sstevel@tonic-gate * entry, we recurse down dname/fname until we find the first symbolic 50127c478bd9Sstevel@tonic-gate * link, and then stat and return it. This is valid for the same reason 50137c478bd9Sstevel@tonic-gate * that we only need to read a single pathname for multiple matching 50147c478bd9Sstevel@tonic-gate * logical ID's... ie, all the logical nodes should contain identical 50157c478bd9Sstevel@tonic-gate * physical paths for the parts we are interested. 50167c478bd9Sstevel@tonic-gate */ 50177c478bd9Sstevel@tonic-gate int 50187c478bd9Sstevel@tonic-gate get_stat_info(char *namebuf, struct stat *sb) 50197c478bd9Sstevel@tonic-gate { 50207c478bd9Sstevel@tonic-gate char *cp; 5021facf4a8dSllai char *pathlist; 5022facf4a8dSllai char *listp; 5023facf4a8dSllai int len; 50247c478bd9Sstevel@tonic-gate 50257c478bd9Sstevel@tonic-gate if (lstat(namebuf, sb) < 0) { 50267c478bd9Sstevel@tonic-gate (void) err_print(LSTAT_FAILED, namebuf, strerror(errno)); 50277c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50287c478bd9Sstevel@tonic-gate } 50297c478bd9Sstevel@tonic-gate 50307c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFLNK) { 50317c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 50327c478bd9Sstevel@tonic-gate } 50337c478bd9Sstevel@tonic-gate 50347c478bd9Sstevel@tonic-gate /* 50357c478bd9Sstevel@tonic-gate * If it is a dir, recurse down until we find a link and 50367c478bd9Sstevel@tonic-gate * then use the link. 50377c478bd9Sstevel@tonic-gate */ 50387c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFDIR) { 50397c478bd9Sstevel@tonic-gate 5040facf4a8dSllai if ((pathlist = dev_readdir(namebuf)) == NULL) { 50417c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50427c478bd9Sstevel@tonic-gate } 50437c478bd9Sstevel@tonic-gate 50447c478bd9Sstevel@tonic-gate /* 50457c478bd9Sstevel@tonic-gate * Search each dir entry looking for a symlink. Return 50467c478bd9Sstevel@tonic-gate * the first symlink found in namebuf. Recurse dirs. 50477c478bd9Sstevel@tonic-gate */ 5048facf4a8dSllai for (listp = pathlist; 5049facf4a8dSllai (len = strlen(listp)) > 0; listp += len+1) { 50507c478bd9Sstevel@tonic-gate cp = namebuf + strlen(namebuf); 5051facf4a8dSllai if ((strlcat(namebuf, "/", PATH_MAX) >= PATH_MAX) || 5052facf4a8dSllai (strlcat(namebuf, listp, PATH_MAX) >= PATH_MAX)) { 5053facf4a8dSllai *cp = '\0'; 5054facf4a8dSllai return (DEVFSADM_FAILURE); 5055facf4a8dSllai } 50567c478bd9Sstevel@tonic-gate if (get_stat_info(namebuf, sb) == DEVFSADM_SUCCESS) { 5057facf4a8dSllai free(pathlist); 50587c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 50597c478bd9Sstevel@tonic-gate } 50607c478bd9Sstevel@tonic-gate *cp = '\0'; 50617c478bd9Sstevel@tonic-gate } 5062facf4a8dSllai free(pathlist); 50637c478bd9Sstevel@tonic-gate } 50647c478bd9Sstevel@tonic-gate 50657c478bd9Sstevel@tonic-gate /* no symlink found, so return error */ 50667c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50677c478bd9Sstevel@tonic-gate } 50687c478bd9Sstevel@tonic-gate 50697c478bd9Sstevel@tonic-gate /* 50707c478bd9Sstevel@tonic-gate * An existing matching ID was not found, so this function is called to 50717c478bd9Sstevel@tonic-gate * create the next lowest ID. In the INTEGER case, return the next 50727c478bd9Sstevel@tonic-gate * lowest unused integer. In the case of LETTER, return the next lowest 50737c478bd9Sstevel@tonic-gate * unused letter. Return empty string if all 26 are used. 50747c478bd9Sstevel@tonic-gate * Only IDs >= min will be returned. 50757c478bd9Sstevel@tonic-gate */ 50767c478bd9Sstevel@tonic-gate char * 50777c478bd9Sstevel@tonic-gate new_id(numeral_t *numeral, int type, char *min) 50787c478bd9Sstevel@tonic-gate { 50797c478bd9Sstevel@tonic-gate int imin; 50807c478bd9Sstevel@tonic-gate temp_t *temp; 50817c478bd9Sstevel@tonic-gate temp_t *ptr; 50827c478bd9Sstevel@tonic-gate temp_t **previous; 50837c478bd9Sstevel@tonic-gate temp_t *head = NULL; 50847c478bd9Sstevel@tonic-gate char *retval; 50857c478bd9Sstevel@tonic-gate static char tempbuff[8]; 50867c478bd9Sstevel@tonic-gate numeral_t *np; 50877c478bd9Sstevel@tonic-gate 50887c478bd9Sstevel@tonic-gate if (type == LETTER) { 50897c478bd9Sstevel@tonic-gate 50907c478bd9Sstevel@tonic-gate char letter[26], i; 50917c478bd9Sstevel@tonic-gate 50927c478bd9Sstevel@tonic-gate if (numeral == NULL) { 50937c478bd9Sstevel@tonic-gate return (s_strdup(min)); 50947c478bd9Sstevel@tonic-gate } 50957c478bd9Sstevel@tonic-gate 50967c478bd9Sstevel@tonic-gate for (i = 0; i < 26; i++) { 50977c478bd9Sstevel@tonic-gate letter[i] = 0; 50987c478bd9Sstevel@tonic-gate } 50997c478bd9Sstevel@tonic-gate 51007c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 51017c478bd9Sstevel@tonic-gate letter[*np->id - 'a']++; 51027c478bd9Sstevel@tonic-gate } 51037c478bd9Sstevel@tonic-gate 51047c478bd9Sstevel@tonic-gate imin = *min - 'a'; 51057c478bd9Sstevel@tonic-gate 51067c478bd9Sstevel@tonic-gate for (i = imin; i < 26; i++) { 51077c478bd9Sstevel@tonic-gate if (letter[i] == 0) { 51087c478bd9Sstevel@tonic-gate retval = s_malloc(2); 51097c478bd9Sstevel@tonic-gate retval[0] = 'a' + i; 51107c478bd9Sstevel@tonic-gate retval[1] = '\0'; 51117c478bd9Sstevel@tonic-gate return (retval); 51127c478bd9Sstevel@tonic-gate } 51137c478bd9Sstevel@tonic-gate } 51147c478bd9Sstevel@tonic-gate 51157c478bd9Sstevel@tonic-gate return (s_strdup("")); 51167c478bd9Sstevel@tonic-gate } 51177c478bd9Sstevel@tonic-gate 51187c478bd9Sstevel@tonic-gate if (type == INTEGER) { 51197c478bd9Sstevel@tonic-gate 51207c478bd9Sstevel@tonic-gate if (numeral == NULL) { 51217c478bd9Sstevel@tonic-gate return (s_strdup(min)); 51227c478bd9Sstevel@tonic-gate } 51237c478bd9Sstevel@tonic-gate 51247c478bd9Sstevel@tonic-gate imin = atoi(min); 51257c478bd9Sstevel@tonic-gate 51267c478bd9Sstevel@tonic-gate /* sort list */ 51277c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 51287c478bd9Sstevel@tonic-gate temp = s_malloc(sizeof (temp_t)); 51297c478bd9Sstevel@tonic-gate temp->integer = atoi(np->id); 51307c478bd9Sstevel@tonic-gate temp->next = NULL; 51317c478bd9Sstevel@tonic-gate 51327c478bd9Sstevel@tonic-gate previous = &head; 51337c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 51347c478bd9Sstevel@tonic-gate if (temp->integer < ptr->integer) { 51357c478bd9Sstevel@tonic-gate temp->next = ptr; 51367c478bd9Sstevel@tonic-gate *previous = temp; 51377c478bd9Sstevel@tonic-gate break; 51387c478bd9Sstevel@tonic-gate } 51397c478bd9Sstevel@tonic-gate previous = &(ptr->next); 51407c478bd9Sstevel@tonic-gate } 51417c478bd9Sstevel@tonic-gate if (ptr == NULL) { 51427c478bd9Sstevel@tonic-gate *previous = temp; 51437c478bd9Sstevel@tonic-gate } 51447c478bd9Sstevel@tonic-gate } 51457c478bd9Sstevel@tonic-gate 51467c478bd9Sstevel@tonic-gate /* now search sorted list for first hole >= imin */ 51477c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 51487c478bd9Sstevel@tonic-gate if (imin == ptr->integer) { 51497c478bd9Sstevel@tonic-gate imin++; 51507c478bd9Sstevel@tonic-gate } else { 51517c478bd9Sstevel@tonic-gate if (imin < ptr->integer) { 51527c478bd9Sstevel@tonic-gate break; 51537c478bd9Sstevel@tonic-gate } 51547c478bd9Sstevel@tonic-gate } 51557c478bd9Sstevel@tonic-gate 51567c478bd9Sstevel@tonic-gate } 51577c478bd9Sstevel@tonic-gate 51587c478bd9Sstevel@tonic-gate /* free temp list */ 51597c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ) { 51607c478bd9Sstevel@tonic-gate temp = ptr; 51617c478bd9Sstevel@tonic-gate ptr = ptr->next; 51627c478bd9Sstevel@tonic-gate free(temp); 51637c478bd9Sstevel@tonic-gate } 51647c478bd9Sstevel@tonic-gate 51657c478bd9Sstevel@tonic-gate (void) sprintf(tempbuff, "%d", imin); 51667c478bd9Sstevel@tonic-gate return (s_strdup(tempbuff)); 51677c478bd9Sstevel@tonic-gate } 51687c478bd9Sstevel@tonic-gate 51697c478bd9Sstevel@tonic-gate return (s_strdup("")); 51707c478bd9Sstevel@tonic-gate } 51717c478bd9Sstevel@tonic-gate 51727c478bd9Sstevel@tonic-gate /* 51737c478bd9Sstevel@tonic-gate * Search current_dir for all files which match the first path component 51747c478bd9Sstevel@tonic-gate * of path_left, which is an RE. If a match is found, but there are more 51757c478bd9Sstevel@tonic-gate * components of path_left, then recurse, otherwise, if we have reached 51767c478bd9Sstevel@tonic-gate * the last component of path_left, call create_cached_numerals for each 51777c478bd9Sstevel@tonic-gate * file. At some point, recurse_dev_re() should be rewritten so that this 51787c478bd9Sstevel@tonic-gate * function can be eliminated. 51797c478bd9Sstevel@tonic-gate */ 51807c478bd9Sstevel@tonic-gate static void 51817c478bd9Sstevel@tonic-gate enumerate_recurse(char *current_dir, char *path_left, numeral_set_t *setp, 51827c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 51837c478bd9Sstevel@tonic-gate { 51847c478bd9Sstevel@tonic-gate char *slash; 51857c478bd9Sstevel@tonic-gate char *new_path; 51867c478bd9Sstevel@tonic-gate char *numeral_id; 5187facf4a8dSllai char *pathlist; 5188facf4a8dSllai char *listp; 5189facf4a8dSllai int len; 51907c478bd9Sstevel@tonic-gate 5191facf4a8dSllai if ((pathlist = dev_readdir(current_dir)) == NULL) { 51927c478bd9Sstevel@tonic-gate return; 51937c478bd9Sstevel@tonic-gate } 51947c478bd9Sstevel@tonic-gate 51957c478bd9Sstevel@tonic-gate /* get rid of any extra '/' */ 51967c478bd9Sstevel@tonic-gate while (*path_left == '/') { 51977c478bd9Sstevel@tonic-gate path_left++; 51987c478bd9Sstevel@tonic-gate } 51997c478bd9Sstevel@tonic-gate 52007c478bd9Sstevel@tonic-gate if (slash = strchr(path_left, '/')) { 52017c478bd9Sstevel@tonic-gate *slash = '\0'; 52027c478bd9Sstevel@tonic-gate } 52037c478bd9Sstevel@tonic-gate 5204facf4a8dSllai for (listp = pathlist; (len = strlen(listp)) > 0; listp += len+1) { 52057c478bd9Sstevel@tonic-gate 52067c478bd9Sstevel@tonic-gate /* 5207facf4a8dSllai * Returns true if path_left matches the list entry. 52087c478bd9Sstevel@tonic-gate * If it is the last path component, pass subexp 52097c478bd9Sstevel@tonic-gate * so that it will return the corresponding ID in 52107c478bd9Sstevel@tonic-gate * numeral_id. 52117c478bd9Sstevel@tonic-gate */ 52127c478bd9Sstevel@tonic-gate numeral_id = NULL; 5213facf4a8dSllai if (match_path_component(path_left, listp, &numeral_id, 52147c478bd9Sstevel@tonic-gate slash ? 0 : rules[index].subexp)) { 52157c478bd9Sstevel@tonic-gate 52167c478bd9Sstevel@tonic-gate new_path = s_malloc(strlen(current_dir) + 5217facf4a8dSllai strlen(listp) + 2); 52187c478bd9Sstevel@tonic-gate 52197c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 52207c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 5221facf4a8dSllai (void) strcat(new_path, listp); 52227c478bd9Sstevel@tonic-gate 52237c478bd9Sstevel@tonic-gate if (slash != NULL) { 52247c478bd9Sstevel@tonic-gate enumerate_recurse(new_path, slash + 1, 52257c478bd9Sstevel@tonic-gate setp, rules, index); 52267c478bd9Sstevel@tonic-gate } else { 52277c478bd9Sstevel@tonic-gate create_cached_numeral(new_path, setp, 52287c478bd9Sstevel@tonic-gate numeral_id, rules, index); 52297c478bd9Sstevel@tonic-gate if (numeral_id != NULL) { 52307c478bd9Sstevel@tonic-gate free(numeral_id); 52317c478bd9Sstevel@tonic-gate } 52327c478bd9Sstevel@tonic-gate } 52337c478bd9Sstevel@tonic-gate free(new_path); 52347c478bd9Sstevel@tonic-gate } 52357c478bd9Sstevel@tonic-gate } 52367c478bd9Sstevel@tonic-gate 52377c478bd9Sstevel@tonic-gate if (slash != NULL) { 52387c478bd9Sstevel@tonic-gate *slash = '/'; 52397c478bd9Sstevel@tonic-gate } 5240facf4a8dSllai free(pathlist); 52417c478bd9Sstevel@tonic-gate } 52427c478bd9Sstevel@tonic-gate 52437c478bd9Sstevel@tonic-gate 52447c478bd9Sstevel@tonic-gate /* 52457c478bd9Sstevel@tonic-gate * Returns true if file matches file_re. If subexp is non-zero, it means 52467c478bd9Sstevel@tonic-gate * we are searching the last path component and need to return the 52477c478bd9Sstevel@tonic-gate * parenthesized subexpression subexp in id. 52487c478bd9Sstevel@tonic-gate * 52497c478bd9Sstevel@tonic-gate */ 52507c478bd9Sstevel@tonic-gate static int 52517c478bd9Sstevel@tonic-gate match_path_component(char *file_re, char *file, char **id, int subexp) 52527c478bd9Sstevel@tonic-gate { 52537c478bd9Sstevel@tonic-gate regex_t re1; 52547c478bd9Sstevel@tonic-gate int match = 0; 52557c478bd9Sstevel@tonic-gate int nelements; 52567c478bd9Sstevel@tonic-gate regmatch_t *pmatch; 52577c478bd9Sstevel@tonic-gate 52587c478bd9Sstevel@tonic-gate if (subexp != 0) { 52597c478bd9Sstevel@tonic-gate nelements = subexp + 1; 52607c478bd9Sstevel@tonic-gate pmatch = (regmatch_t *) 52617c478bd9Sstevel@tonic-gate s_malloc(sizeof (regmatch_t) * nelements); 52627c478bd9Sstevel@tonic-gate } else { 52637c478bd9Sstevel@tonic-gate pmatch = NULL; 52647c478bd9Sstevel@tonic-gate nelements = 0; 52657c478bd9Sstevel@tonic-gate } 52667c478bd9Sstevel@tonic-gate 52677c478bd9Sstevel@tonic-gate if (regcomp(&re1, file_re, REG_EXTENDED) != 0) { 52687c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 52697c478bd9Sstevel@tonic-gate free(pmatch); 52707c478bd9Sstevel@tonic-gate } 52717c478bd9Sstevel@tonic-gate return (0); 52727c478bd9Sstevel@tonic-gate } 52737c478bd9Sstevel@tonic-gate 52747c478bd9Sstevel@tonic-gate if (regexec(&re1, file, nelements, pmatch, 0) == 0) { 52757c478bd9Sstevel@tonic-gate match = 1; 52767c478bd9Sstevel@tonic-gate } 52777c478bd9Sstevel@tonic-gate 52787c478bd9Sstevel@tonic-gate if ((match != 0) && (subexp != 0)) { 52797c478bd9Sstevel@tonic-gate int size = pmatch[subexp].rm_eo - pmatch[subexp].rm_so; 52807c478bd9Sstevel@tonic-gate *id = s_malloc(size + 1); 52817c478bd9Sstevel@tonic-gate (void) strncpy(*id, &file[pmatch[subexp].rm_so], size); 52827c478bd9Sstevel@tonic-gate (*id)[size] = '\0'; 52837c478bd9Sstevel@tonic-gate } 52847c478bd9Sstevel@tonic-gate 52857c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 52867c478bd9Sstevel@tonic-gate free(pmatch); 52877c478bd9Sstevel@tonic-gate } 52887c478bd9Sstevel@tonic-gate regfree(&re1); 52897c478bd9Sstevel@tonic-gate return (match); 52907c478bd9Sstevel@tonic-gate } 52917c478bd9Sstevel@tonic-gate 52927c478bd9Sstevel@tonic-gate /* 52937c478bd9Sstevel@tonic-gate * This function is called for every file which matched the leaf 52947c478bd9Sstevel@tonic-gate * component of the RE. If the "numeral_id" is not already on the 52957c478bd9Sstevel@tonic-gate * numeral set's numeral list, add it and its physical path. 52967c478bd9Sstevel@tonic-gate */ 52977c478bd9Sstevel@tonic-gate static void 52987c478bd9Sstevel@tonic-gate create_cached_numeral(char *path, numeral_set_t *setp, char *numeral_id, 52997c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 53007c478bd9Sstevel@tonic-gate { 53017c478bd9Sstevel@tonic-gate char linkbuf[PATH_MAX + 1]; 53027c478bd9Sstevel@tonic-gate char lpath[PATH_MAX + 1]; 53037c478bd9Sstevel@tonic-gate char *linkptr, *cmp_str; 53047c478bd9Sstevel@tonic-gate numeral_t *np; 53057c478bd9Sstevel@tonic-gate int linksize; 53067c478bd9Sstevel@tonic-gate struct stat sb; 53077c478bd9Sstevel@tonic-gate const char *fcn = "create_cached_numeral"; 53087c478bd9Sstevel@tonic-gate 53097c478bd9Sstevel@tonic-gate assert(index >= 0 && index < setp->re_count); 53107c478bd9Sstevel@tonic-gate assert(strcmp(rules[index].re, setp->re[index]) == 0); 53117c478bd9Sstevel@tonic-gate 53127c478bd9Sstevel@tonic-gate /* 53137c478bd9Sstevel@tonic-gate * We found a numeral_id from an entry in /dev which matched 53147c478bd9Sstevel@tonic-gate * the re passed in from devfsadm_enumerate. We only need to make sure 53157c478bd9Sstevel@tonic-gate * ONE copy of numeral_id exists on the numeral list. We only need 53167c478bd9Sstevel@tonic-gate * to store /dev/dsk/cNtod0s0 and no other entries hanging off 53177c478bd9Sstevel@tonic-gate * of controller N. 53187c478bd9Sstevel@tonic-gate */ 53197c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 53207c478bd9Sstevel@tonic-gate if (strcmp(numeral_id, np->id) == 0) { 53217c478bd9Sstevel@tonic-gate return; 53227c478bd9Sstevel@tonic-gate } 53237c478bd9Sstevel@tonic-gate } 53247c478bd9Sstevel@tonic-gate 53257c478bd9Sstevel@tonic-gate /* NOT on list, so add it */ 53267c478bd9Sstevel@tonic-gate 53277c478bd9Sstevel@tonic-gate (void) strcpy(lpath, path); 53287c478bd9Sstevel@tonic-gate /* 53297c478bd9Sstevel@tonic-gate * If path is a dir, it is changed to the first symbolic link it find 53307c478bd9Sstevel@tonic-gate * if it finds one. 53317c478bd9Sstevel@tonic-gate */ 53327c478bd9Sstevel@tonic-gate if (get_stat_info(lpath, &sb) == DEVFSADM_FAILURE) { 53337c478bd9Sstevel@tonic-gate return; 53347c478bd9Sstevel@tonic-gate } 53357c478bd9Sstevel@tonic-gate 53367c478bd9Sstevel@tonic-gate /* If we get here, we found a symlink */ 53377c478bd9Sstevel@tonic-gate linksize = readlink(lpath, linkbuf, PATH_MAX); 53387c478bd9Sstevel@tonic-gate 53397c478bd9Sstevel@tonic-gate if (linksize <= 0) { 53407c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, lpath, strerror(errno)); 53417c478bd9Sstevel@tonic-gate return; 53427c478bd9Sstevel@tonic-gate } 53437c478bd9Sstevel@tonic-gate 53447c478bd9Sstevel@tonic-gate linkbuf[linksize] = '\0'; 53457c478bd9Sstevel@tonic-gate 53467c478bd9Sstevel@tonic-gate /* 53477c478bd9Sstevel@tonic-gate * the following just points linkptr to the root of the /devices 53487c478bd9Sstevel@tonic-gate * node if it is a minor node, otherwise, to the first char of 53497c478bd9Sstevel@tonic-gate * linkbuf if it is a link. 53507c478bd9Sstevel@tonic-gate */ 53517c478bd9Sstevel@tonic-gate (void) is_minor_node(linkbuf, &linkptr); 53527c478bd9Sstevel@tonic-gate 53537c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(linkptr, &rules[index]); 53547c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 53557c478bd9Sstevel@tonic-gate return; 53567c478bd9Sstevel@tonic-gate } 53577c478bd9Sstevel@tonic-gate 53587c478bd9Sstevel@tonic-gate np = s_malloc(sizeof (numeral_t)); 53597c478bd9Sstevel@tonic-gate 53607c478bd9Sstevel@tonic-gate np->id = s_strdup(numeral_id); 53617c478bd9Sstevel@tonic-gate np->full_path = s_strdup(linkptr); 53627c478bd9Sstevel@tonic-gate np->rule_index = index; 53637c478bd9Sstevel@tonic-gate np->cmp_str = cmp_str; 53647c478bd9Sstevel@tonic-gate 53657c478bd9Sstevel@tonic-gate np->next = setp->headnumeral; 53667c478bd9Sstevel@tonic-gate setp->headnumeral = np; 53677c478bd9Sstevel@tonic-gate } 53687c478bd9Sstevel@tonic-gate 53697c478bd9Sstevel@tonic-gate 53707c478bd9Sstevel@tonic-gate /* 53717c478bd9Sstevel@tonic-gate * This should be called either before or after granting access to a 53727c478bd9Sstevel@tonic-gate * command line version of devfsadm running, since it may have changed 53737c478bd9Sstevel@tonic-gate * the state of /dev. It forces future enumerate calls to re-build 53747c478bd9Sstevel@tonic-gate * cached information from /dev. 53757c478bd9Sstevel@tonic-gate */ 53767c478bd9Sstevel@tonic-gate void 53777c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(void) 53787c478bd9Sstevel@tonic-gate { 53797c478bd9Sstevel@tonic-gate numeral_set_t *setp; 53807c478bd9Sstevel@tonic-gate numeral_set_t *savedsetp; 53817c478bd9Sstevel@tonic-gate numeral_t *savednumset; 53827c478bd9Sstevel@tonic-gate numeral_t *numset; 53837c478bd9Sstevel@tonic-gate int i; 53847c478bd9Sstevel@tonic-gate 53857c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; ) { 53867c478bd9Sstevel@tonic-gate /* 53877c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 53887c478bd9Sstevel@tonic-gate * those in cached set. 53897c478bd9Sstevel@tonic-gate */ 53907c478bd9Sstevel@tonic-gate 53917c478bd9Sstevel@tonic-gate savedsetp = setp; 53927c478bd9Sstevel@tonic-gate setp = setp->next; 53937c478bd9Sstevel@tonic-gate 53947c478bd9Sstevel@tonic-gate for (i = 0; i < savedsetp->re_count; i++) { 53957c478bd9Sstevel@tonic-gate free(savedsetp->re[i]); 53967c478bd9Sstevel@tonic-gate } 53977c478bd9Sstevel@tonic-gate free(savedsetp->re); 53987c478bd9Sstevel@tonic-gate 53997c478bd9Sstevel@tonic-gate for (numset = savedsetp->headnumeral; numset != NULL; ) { 54007c478bd9Sstevel@tonic-gate savednumset = numset; 54017c478bd9Sstevel@tonic-gate numset = numset->next; 54027c478bd9Sstevel@tonic-gate assert(savednumset->rule_index < savedsetp->re_count); 54037c478bd9Sstevel@tonic-gate free(savednumset->id); 54047c478bd9Sstevel@tonic-gate free(savednumset->full_path); 54057c478bd9Sstevel@tonic-gate free(savednumset->cmp_str); 54067c478bd9Sstevel@tonic-gate free(savednumset); 54077c478bd9Sstevel@tonic-gate } 54087c478bd9Sstevel@tonic-gate free(savedsetp); 54097c478bd9Sstevel@tonic-gate } 54107c478bd9Sstevel@tonic-gate head_numeral_set = NULL; 54117c478bd9Sstevel@tonic-gate } 54127c478bd9Sstevel@tonic-gate 54137c478bd9Sstevel@tonic-gate /* 54147c478bd9Sstevel@tonic-gate * Copies over links from /dev to <root>/dev and device special files in 54157c478bd9Sstevel@tonic-gate * /devices to <root>/devices, preserving the existing file modes. If 54167c478bd9Sstevel@tonic-gate * the link or special file already exists on <root>, skip the copy. (it 54177c478bd9Sstevel@tonic-gate * would exist only if a package hard coded it there, so assume package 54187c478bd9Sstevel@tonic-gate * knows best?). Use /etc/name_to_major and <root>/etc/name_to_major to 54197c478bd9Sstevel@tonic-gate * make translations for major numbers on device special files. No need to 54207c478bd9Sstevel@tonic-gate * make a translation on minor_perm since if the file was created in the 54217c478bd9Sstevel@tonic-gate * miniroot then it would presumably have the same minor_perm entry in 54227c478bd9Sstevel@tonic-gate * <root>/etc/minor_perm. To be used only by install. 54237c478bd9Sstevel@tonic-gate */ 54247c478bd9Sstevel@tonic-gate int 54257c478bd9Sstevel@tonic-gate devfsadm_copy(void) 54267c478bd9Sstevel@tonic-gate { 54277c478bd9Sstevel@tonic-gate char filename[PATH_MAX + 1]; 54287c478bd9Sstevel@tonic-gate 54297c478bd9Sstevel@tonic-gate /* load the installed root's name_to_major for translations */ 54307c478bd9Sstevel@tonic-gate (void) snprintf(filename, sizeof (filename), "%s%s", root_dir, 54317c478bd9Sstevel@tonic-gate NAME_TO_MAJOR); 54327c478bd9Sstevel@tonic-gate if (load_n2m_table(filename) == DEVFSADM_FAILURE) { 54337c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 54347c478bd9Sstevel@tonic-gate } 54357c478bd9Sstevel@tonic-gate 54367c478bd9Sstevel@tonic-gate /* Copy /dev to target disk. No need to copy /devices with devfs */ 54377c478bd9Sstevel@tonic-gate (void) nftw(DEV, devfsadm_copy_file, 20, FTW_PHYS); 54387c478bd9Sstevel@tonic-gate 54397c478bd9Sstevel@tonic-gate /* Let install handle copying over path_to_inst */ 54407c478bd9Sstevel@tonic-gate 54417c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54427c478bd9Sstevel@tonic-gate } 54437c478bd9Sstevel@tonic-gate 54447c478bd9Sstevel@tonic-gate /* 54457c478bd9Sstevel@tonic-gate * This function copies links, dirs, and device special files. 54467c478bd9Sstevel@tonic-gate * Note that it always returns DEVFSADM_SUCCESS, so that nftw doesn't 54477c478bd9Sstevel@tonic-gate * abort. 54487c478bd9Sstevel@tonic-gate */ 54497c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 54507c478bd9Sstevel@tonic-gate static int 54517c478bd9Sstevel@tonic-gate devfsadm_copy_file(const char *file, const struct stat *stat, 54527c478bd9Sstevel@tonic-gate int flags, struct FTW *ftw) 54537c478bd9Sstevel@tonic-gate { 54547c478bd9Sstevel@tonic-gate struct stat sp; 54557c478bd9Sstevel@tonic-gate dev_t newdev; 54567c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 54577c478bd9Sstevel@tonic-gate char linkcontents[PATH_MAX + 1]; 54587c478bd9Sstevel@tonic-gate int bytes; 54597c478bd9Sstevel@tonic-gate const char *fcn = "devfsadm_copy_file"; 54607c478bd9Sstevel@tonic-gate 54617c478bd9Sstevel@tonic-gate (void) strcpy(newfile, root_dir); 54627c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 54637c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 54647c478bd9Sstevel@tonic-gate 54657c478bd9Sstevel@tonic-gate if (lstat(newfile, &sp) == 0) { 54667c478bd9Sstevel@tonic-gate /* newfile already exists, so no need to continue */ 54677c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54687c478bd9Sstevel@tonic-gate } 54697c478bd9Sstevel@tonic-gate 54707c478bd9Sstevel@tonic-gate if (((stat->st_mode & S_IFMT) == S_IFBLK) || 54717c478bd9Sstevel@tonic-gate ((stat->st_mode & S_IFMT) == S_IFCHR)) { 54727c478bd9Sstevel@tonic-gate if (translate_major(stat->st_rdev, &newdev) == 54737c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 54747c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54757c478bd9Sstevel@tonic-gate } 54767c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, newdev) == -1) { 54777c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 54787c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54797c478bd9Sstevel@tonic-gate } 54807c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFDIR) { 54817c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, 0) == -1) { 54827c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 54837c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54847c478bd9Sstevel@tonic-gate } 54857c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFLNK) { 54867c478bd9Sstevel@tonic-gate if ((bytes = readlink(file, linkcontents, PATH_MAX)) == -1) { 54877c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, file, strerror(errno)); 54887c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54897c478bd9Sstevel@tonic-gate } 54907c478bd9Sstevel@tonic-gate linkcontents[bytes] = '\0'; 54917c478bd9Sstevel@tonic-gate if (symlink(linkcontents, newfile) == -1) { 54927c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, newfile, newfile, 54937c478bd9Sstevel@tonic-gate strerror(errno)); 54947c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54957c478bd9Sstevel@tonic-gate } 54967c478bd9Sstevel@tonic-gate } 54977c478bd9Sstevel@tonic-gate 54987c478bd9Sstevel@tonic-gate (void) lchown(newfile, stat->st_uid, stat->st_gid); 54997c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55007c478bd9Sstevel@tonic-gate } 55017c478bd9Sstevel@tonic-gate 55027c478bd9Sstevel@tonic-gate /* 55037c478bd9Sstevel@tonic-gate * Given a dev_t from the running kernel, return the new_dev_t 55047c478bd9Sstevel@tonic-gate * by translating to the major number found on the installed 55057c478bd9Sstevel@tonic-gate * target's root name_to_major file. 55067c478bd9Sstevel@tonic-gate */ 55077c478bd9Sstevel@tonic-gate static int 55087c478bd9Sstevel@tonic-gate translate_major(dev_t old_dev, dev_t *new_dev) 55097c478bd9Sstevel@tonic-gate { 55107c478bd9Sstevel@tonic-gate major_t oldmajor; 55117c478bd9Sstevel@tonic-gate major_t newmajor; 55127c478bd9Sstevel@tonic-gate minor_t oldminor; 55137c478bd9Sstevel@tonic-gate minor_t newminor; 55147c478bd9Sstevel@tonic-gate char cdriver[FILENAME_MAX + 1]; 55157c478bd9Sstevel@tonic-gate char driver[FILENAME_MAX + 1]; 55167c478bd9Sstevel@tonic-gate char *fcn = "translate_major: "; 55177c478bd9Sstevel@tonic-gate 55187c478bd9Sstevel@tonic-gate oldmajor = major(old_dev); 55197c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, driver, sizeof (driver), 55207c478bd9Sstevel@tonic-gate &oldmajor) != 0) { 55217c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55227c478bd9Sstevel@tonic-gate } 55237c478bd9Sstevel@tonic-gate 55247c478bd9Sstevel@tonic-gate if (strcmp(driver, "clone") != 0) { 55257c478bd9Sstevel@tonic-gate /* non-clone case */ 55267c478bd9Sstevel@tonic-gate 55277c478bd9Sstevel@tonic-gate /* look up major number is target's name2major */ 55287c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 55297c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55307c478bd9Sstevel@tonic-gate } 55317c478bd9Sstevel@tonic-gate 55327c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, minor(old_dev)); 55337c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 55347c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: %lu,%lu " 55357c478bd9Sstevel@tonic-gate "new: %lu,%lu\n", fcn, driver, major(old_dev), 55367c478bd9Sstevel@tonic-gate minor(old_dev), major(*new_dev), 55377c478bd9Sstevel@tonic-gate minor(*new_dev)); 55387c478bd9Sstevel@tonic-gate } 55397c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55407c478bd9Sstevel@tonic-gate } else { 55417c478bd9Sstevel@tonic-gate /* 55427c478bd9Sstevel@tonic-gate * The clone is a special case. Look at its minor 55437c478bd9Sstevel@tonic-gate * number since it is the major number of the real driver. 55447c478bd9Sstevel@tonic-gate */ 55457c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 55467c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55477c478bd9Sstevel@tonic-gate } 55487c478bd9Sstevel@tonic-gate 55497c478bd9Sstevel@tonic-gate oldminor = minor(old_dev); 55507c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, cdriver, sizeof (cdriver), 55517c478bd9Sstevel@tonic-gate &oldminor) != 0) { 55527c478bd9Sstevel@tonic-gate err_print(MODGETNAME_FAILED, oldminor); 55537c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55547c478bd9Sstevel@tonic-gate } 55557c478bd9Sstevel@tonic-gate 55567c478bd9Sstevel@tonic-gate if (get_major_no(cdriver, &newminor) == DEVFSADM_FAILURE) { 55577c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55587c478bd9Sstevel@tonic-gate } 55597c478bd9Sstevel@tonic-gate 55607c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, newminor); 55617c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 55627c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: " 55637c478bd9Sstevel@tonic-gate "%lu,%lu new: %lu,%lu\n", fcn, driver, 55647c478bd9Sstevel@tonic-gate major(old_dev), minor(old_dev), 55657c478bd9Sstevel@tonic-gate major(*new_dev), minor(*new_dev)); 55667c478bd9Sstevel@tonic-gate } 55677c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55687c478bd9Sstevel@tonic-gate } 55697c478bd9Sstevel@tonic-gate } 55707c478bd9Sstevel@tonic-gate 55717c478bd9Sstevel@tonic-gate /* 55727c478bd9Sstevel@tonic-gate * 55737c478bd9Sstevel@tonic-gate * Find the major number for driver, searching the n2m_list that was 55747c478bd9Sstevel@tonic-gate * built in load_n2m_table(). 55757c478bd9Sstevel@tonic-gate */ 55767c478bd9Sstevel@tonic-gate static int 55777c478bd9Sstevel@tonic-gate get_major_no(char *driver, major_t *major) 55787c478bd9Sstevel@tonic-gate { 55797c478bd9Sstevel@tonic-gate n2m_t *ptr; 55807c478bd9Sstevel@tonic-gate 55817c478bd9Sstevel@tonic-gate for (ptr = n2m_list; ptr != NULL; ptr = ptr->next) { 55827c478bd9Sstevel@tonic-gate if (strcmp(ptr->driver, driver) == 0) { 55837c478bd9Sstevel@tonic-gate *major = ptr->major; 55847c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55857c478bd9Sstevel@tonic-gate } 55867c478bd9Sstevel@tonic-gate } 55877c478bd9Sstevel@tonic-gate err_print(FIND_MAJOR_FAILED, driver); 55887c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55897c478bd9Sstevel@tonic-gate } 55907c478bd9Sstevel@tonic-gate 55917c478bd9Sstevel@tonic-gate /* 55927c478bd9Sstevel@tonic-gate * Loads a name_to_major table into memory. Used only for suninstall's 55937c478bd9Sstevel@tonic-gate * private -R option to devfsadm, to translate major numbers from the 55947c478bd9Sstevel@tonic-gate * running to the installed target disk. 55957c478bd9Sstevel@tonic-gate */ 55967c478bd9Sstevel@tonic-gate static int 55977c478bd9Sstevel@tonic-gate load_n2m_table(char *file) 55987c478bd9Sstevel@tonic-gate { 55997c478bd9Sstevel@tonic-gate FILE *fp; 56001ca93273Seota char line[1024], *cp; 56017c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 56027c478bd9Sstevel@tonic-gate major_t major; 56037c478bd9Sstevel@tonic-gate n2m_t *ptr; 56047c478bd9Sstevel@tonic-gate int ln = 0; 56057c478bd9Sstevel@tonic-gate 56067c478bd9Sstevel@tonic-gate if ((fp = fopen(file, "r")) == NULL) { 56077c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, file, strerror(errno)); 56087c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 56097c478bd9Sstevel@tonic-gate } 56107c478bd9Sstevel@tonic-gate 56117c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 56127c478bd9Sstevel@tonic-gate ln++; 56131ca93273Seota /* cut off comments starting with '#' */ 56141ca93273Seota if ((cp = strchr(line, '#')) != NULL) 56151ca93273Seota *cp = '\0'; 56161ca93273Seota /* ignore comment or blank lines */ 56171ca93273Seota if (is_blank(line)) 56187c478bd9Sstevel@tonic-gate continue; 56191ca93273Seota /* sanity-check */ 56207c478bd9Sstevel@tonic-gate if (sscanf(line, "%1024s%lu", driver, &major) != 2) { 56217c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, file); 56227c478bd9Sstevel@tonic-gate continue; 56237c478bd9Sstevel@tonic-gate } 56247c478bd9Sstevel@tonic-gate ptr = (n2m_t *)s_malloc(sizeof (n2m_t)); 56257c478bd9Sstevel@tonic-gate ptr->major = major; 56267c478bd9Sstevel@tonic-gate ptr->driver = s_strdup(driver); 56277c478bd9Sstevel@tonic-gate ptr->next = n2m_list; 56287c478bd9Sstevel@tonic-gate n2m_list = ptr; 56297c478bd9Sstevel@tonic-gate } 56307c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 56317c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, file, strerror(errno)); 56327c478bd9Sstevel@tonic-gate } 56337c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 56347c478bd9Sstevel@tonic-gate } 56357c478bd9Sstevel@tonic-gate 56367c478bd9Sstevel@tonic-gate /* 56377c478bd9Sstevel@tonic-gate * Called at devfsadm startup to read in the devlink.tab file. Creates 56387c478bd9Sstevel@tonic-gate * a linked list of devlinktab_list structures which will be 56397c478bd9Sstevel@tonic-gate * searched for every minor node. 56407c478bd9Sstevel@tonic-gate */ 56417c478bd9Sstevel@tonic-gate static void 56427c478bd9Sstevel@tonic-gate read_devlinktab_file(void) 56437c478bd9Sstevel@tonic-gate { 56447c478bd9Sstevel@tonic-gate devlinktab_list_t *headp = NULL; 56457c478bd9Sstevel@tonic-gate devlinktab_list_t *entryp; 56467c478bd9Sstevel@tonic-gate devlinktab_list_t **previous; 56477c478bd9Sstevel@tonic-gate devlinktab_list_t *save; 56481ca93273Seota char line[MAX_DEVLINK_LINE], *cp; 56497c478bd9Sstevel@tonic-gate char *selector; 56507c478bd9Sstevel@tonic-gate char *p_link; 56517c478bd9Sstevel@tonic-gate char *s_link; 56527c478bd9Sstevel@tonic-gate FILE *fp; 56537c478bd9Sstevel@tonic-gate int i; 56547c478bd9Sstevel@tonic-gate static struct stat cached_sb; 56557c478bd9Sstevel@tonic-gate struct stat current_sb; 56567c478bd9Sstevel@tonic-gate static int cached = FALSE; 56577c478bd9Sstevel@tonic-gate 56587c478bd9Sstevel@tonic-gate if (devlinktab_file == NULL) { 56597c478bd9Sstevel@tonic-gate return; 56607c478bd9Sstevel@tonic-gate } 56617c478bd9Sstevel@tonic-gate 56627c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, ¤t_sb); 56637c478bd9Sstevel@tonic-gate 56647c478bd9Sstevel@tonic-gate /* if already cached, check to see if it is still valid */ 56657c478bd9Sstevel@tonic-gate if (cached == TRUE) { 56667c478bd9Sstevel@tonic-gate 56677c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 56687c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", devlinktab_file); 56697c478bd9Sstevel@tonic-gate return; 56707c478bd9Sstevel@tonic-gate } 56717c478bd9Sstevel@tonic-gate 56727c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", devlinktab_file); 56737c478bd9Sstevel@tonic-gate 56747c478bd9Sstevel@tonic-gate while (devlinktab_list != NULL) { 56757c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->p_link); 56767c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->s_link); 56777c478bd9Sstevel@tonic-gate free_selector_list(devlinktab_list->selector); 56787c478bd9Sstevel@tonic-gate free(devlinktab_list->selector_pattern); 56797c478bd9Sstevel@tonic-gate free(devlinktab_list->p_link_pattern); 56807c478bd9Sstevel@tonic-gate if (devlinktab_list->s_link_pattern != NULL) { 56817c478bd9Sstevel@tonic-gate free(devlinktab_list->s_link_pattern); 56827c478bd9Sstevel@tonic-gate } 56837c478bd9Sstevel@tonic-gate save = devlinktab_list; 56847c478bd9Sstevel@tonic-gate devlinktab_list = devlinktab_list->next; 56857c478bd9Sstevel@tonic-gate free(save); 56867c478bd9Sstevel@tonic-gate } 56877c478bd9Sstevel@tonic-gate } else { 56887c478bd9Sstevel@tonic-gate cached = TRUE; 56897c478bd9Sstevel@tonic-gate } 56907c478bd9Sstevel@tonic-gate 56917c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, &cached_sb); 56927c478bd9Sstevel@tonic-gate 56937c478bd9Sstevel@tonic-gate if ((fp = fopen(devlinktab_file, "r")) == NULL) { 56947c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, devlinktab_file, strerror(errno)); 56957c478bd9Sstevel@tonic-gate return; 56967c478bd9Sstevel@tonic-gate } 56977c478bd9Sstevel@tonic-gate 56987c478bd9Sstevel@tonic-gate previous = &headp; 56997c478bd9Sstevel@tonic-gate 57007c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 57017c478bd9Sstevel@tonic-gate devlinktab_line++; 57027c478bd9Sstevel@tonic-gate i = strlen(line); 57037c478bd9Sstevel@tonic-gate if (line[i-1] == NEWLINE) { 57047c478bd9Sstevel@tonic-gate line[i-1] = '\0'; 57057c478bd9Sstevel@tonic-gate } else if (i == sizeof (line-1)) { 57067c478bd9Sstevel@tonic-gate err_print(LINE_TOO_LONG, devlinktab_line, 57077c478bd9Sstevel@tonic-gate devlinktab_file, sizeof (line)-1); 57087c478bd9Sstevel@tonic-gate while (((i = getc(fp)) != '\n') && (i != EOF)); 57097c478bd9Sstevel@tonic-gate continue; 57107c478bd9Sstevel@tonic-gate } 57117c478bd9Sstevel@tonic-gate 57121ca93273Seota /* cut off comments starting with '#' */ 57131ca93273Seota if ((cp = strchr(line, '#')) != NULL) 57141ca93273Seota *cp = '\0'; 57151ca93273Seota /* ignore comment or blank lines */ 57161ca93273Seota if (is_blank(line)) 57177c478bd9Sstevel@tonic-gate continue; 57187c478bd9Sstevel@tonic-gate 57197c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "table: %s line %d: '%s'\n", 57207c478bd9Sstevel@tonic-gate devlinktab_file, devlinktab_line, line); 57217c478bd9Sstevel@tonic-gate 57227c478bd9Sstevel@tonic-gate /* break each entry into fields. s_link may be NULL */ 57237c478bd9Sstevel@tonic-gate if (split_devlinktab_entry(line, &selector, &p_link, 57247c478bd9Sstevel@tonic-gate &s_link) == DEVFSADM_FAILURE) { 57257c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry returns failure\n"); 57267c478bd9Sstevel@tonic-gate continue; 57277c478bd9Sstevel@tonic-gate } else { 57287c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry selector='%s' " 57297c478bd9Sstevel@tonic-gate "p_link='%s' s_link='%s'\n\n", selector, 57307c478bd9Sstevel@tonic-gate p_link, (s_link == NULL) ? "" : s_link); 57317c478bd9Sstevel@tonic-gate } 57327c478bd9Sstevel@tonic-gate 57337c478bd9Sstevel@tonic-gate entryp = (devlinktab_list_t *) 57347c478bd9Sstevel@tonic-gate s_malloc(sizeof (devlinktab_list_t)); 57357c478bd9Sstevel@tonic-gate 57367c478bd9Sstevel@tonic-gate entryp->line_number = devlinktab_line; 57377c478bd9Sstevel@tonic-gate 57387c478bd9Sstevel@tonic-gate if ((entryp->selector = 57397c478bd9Sstevel@tonic-gate create_selector_list(selector)) == NULL) { 57407c478bd9Sstevel@tonic-gate free(entryp); 57417c478bd9Sstevel@tonic-gate continue; 57427c478bd9Sstevel@tonic-gate } 57437c478bd9Sstevel@tonic-gate entryp->selector_pattern = s_strdup(selector); 57447c478bd9Sstevel@tonic-gate 57457c478bd9Sstevel@tonic-gate if ((entryp->p_link = create_link_list(p_link)) == NULL) { 57467c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 57477c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 57487c478bd9Sstevel@tonic-gate free(entryp); 57497c478bd9Sstevel@tonic-gate continue; 57507c478bd9Sstevel@tonic-gate } 57517c478bd9Sstevel@tonic-gate 57527c478bd9Sstevel@tonic-gate entryp->p_link_pattern = s_strdup(p_link); 57537c478bd9Sstevel@tonic-gate 57547c478bd9Sstevel@tonic-gate if (s_link != NULL) { 57557c478bd9Sstevel@tonic-gate if ((entryp->s_link = 57567c478bd9Sstevel@tonic-gate create_link_list(s_link)) == NULL) { 57577c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 57587c478bd9Sstevel@tonic-gate free_link_list(entryp->p_link); 57597c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 57607c478bd9Sstevel@tonic-gate free(entryp->p_link_pattern); 57617c478bd9Sstevel@tonic-gate free(entryp); 57627c478bd9Sstevel@tonic-gate continue; 57637c478bd9Sstevel@tonic-gate } 57647c478bd9Sstevel@tonic-gate entryp->s_link_pattern = s_strdup(s_link); 57657c478bd9Sstevel@tonic-gate } else { 57667c478bd9Sstevel@tonic-gate entryp->s_link = NULL; 57677c478bd9Sstevel@tonic-gate entryp->s_link_pattern = NULL; 57687c478bd9Sstevel@tonic-gate 57697c478bd9Sstevel@tonic-gate } 57707c478bd9Sstevel@tonic-gate 57717c478bd9Sstevel@tonic-gate /* append to end of list */ 57727c478bd9Sstevel@tonic-gate 57737c478bd9Sstevel@tonic-gate entryp->next = NULL; 57747c478bd9Sstevel@tonic-gate *previous = entryp; 57757c478bd9Sstevel@tonic-gate previous = &(entryp->next); 57767c478bd9Sstevel@tonic-gate } 57777c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 57787c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, devlinktab_file, strerror(errno)); 57797c478bd9Sstevel@tonic-gate } 57807c478bd9Sstevel@tonic-gate devlinktab_list = headp; 57817c478bd9Sstevel@tonic-gate } 57827c478bd9Sstevel@tonic-gate 57837c478bd9Sstevel@tonic-gate /* 57847c478bd9Sstevel@tonic-gate * 57857c478bd9Sstevel@tonic-gate * For a single line entry in devlink.tab, split the line into fields 57867c478bd9Sstevel@tonic-gate * selector, p_link, and an optionally s_link. If s_link field is not 57877c478bd9Sstevel@tonic-gate * present, then return NULL in s_link (not NULL string). 57887c478bd9Sstevel@tonic-gate */ 57897c478bd9Sstevel@tonic-gate static int 57907c478bd9Sstevel@tonic-gate split_devlinktab_entry(char *entry, char **selector, char **p_link, 57917c478bd9Sstevel@tonic-gate char **s_link) 57927c478bd9Sstevel@tonic-gate { 57937c478bd9Sstevel@tonic-gate char *tab; 57947c478bd9Sstevel@tonic-gate 57957c478bd9Sstevel@tonic-gate *selector = entry; 57967c478bd9Sstevel@tonic-gate 57977c478bd9Sstevel@tonic-gate if ((tab = strchr(entry, TAB)) != NULL) { 57987c478bd9Sstevel@tonic-gate *tab = '\0'; 57997c478bd9Sstevel@tonic-gate *p_link = ++tab; 58007c478bd9Sstevel@tonic-gate } else { 58017c478bd9Sstevel@tonic-gate err_print(MISSING_TAB, devlinktab_line, devlinktab_file); 58027c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58037c478bd9Sstevel@tonic-gate } 58047c478bd9Sstevel@tonic-gate 58057c478bd9Sstevel@tonic-gate if (*p_link == '\0') { 58067c478bd9Sstevel@tonic-gate err_print(MISSING_DEVNAME, devlinktab_line, devlinktab_file); 58077c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58087c478bd9Sstevel@tonic-gate } 58097c478bd9Sstevel@tonic-gate 58107c478bd9Sstevel@tonic-gate if ((tab = strchr(*p_link, TAB)) != NULL) { 58117c478bd9Sstevel@tonic-gate *tab = '\0'; 58127c478bd9Sstevel@tonic-gate *s_link = ++tab; 58137c478bd9Sstevel@tonic-gate if (strchr(*s_link, TAB) != NULL) { 58147c478bd9Sstevel@tonic-gate err_print(TOO_MANY_FIELDS, devlinktab_line, 58157c478bd9Sstevel@tonic-gate devlinktab_file); 58167c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58177c478bd9Sstevel@tonic-gate } 58187c478bd9Sstevel@tonic-gate } else { 58197c478bd9Sstevel@tonic-gate *s_link = NULL; 58207c478bd9Sstevel@tonic-gate } 58217c478bd9Sstevel@tonic-gate 58227c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58237c478bd9Sstevel@tonic-gate } 58247c478bd9Sstevel@tonic-gate 58257c478bd9Sstevel@tonic-gate /* 58267c478bd9Sstevel@tonic-gate * For a given devfs_spec field, for each element in the field, add it to 58277c478bd9Sstevel@tonic-gate * a linked list of devfs_spec structures. Return the linked list in 58287c478bd9Sstevel@tonic-gate * devfs_spec_list. 58297c478bd9Sstevel@tonic-gate */ 58307c478bd9Sstevel@tonic-gate static selector_list_t * 58317c478bd9Sstevel@tonic-gate create_selector_list(char *selector) 58327c478bd9Sstevel@tonic-gate { 58337c478bd9Sstevel@tonic-gate char *key; 58347c478bd9Sstevel@tonic-gate char *val; 58357c478bd9Sstevel@tonic-gate int error = FALSE; 58367c478bd9Sstevel@tonic-gate selector_list_t *head_selector_list = NULL; 58377c478bd9Sstevel@tonic-gate selector_list_t *selector_list; 58387c478bd9Sstevel@tonic-gate 58397c478bd9Sstevel@tonic-gate /* parse_devfs_spec splits the next field into keyword & value */ 58407c478bd9Sstevel@tonic-gate while ((*selector != NULL) && (error == FALSE)) { 58417c478bd9Sstevel@tonic-gate if (parse_selector(&selector, &key, 58427c478bd9Sstevel@tonic-gate &val) == DEVFSADM_FAILURE) { 58437c478bd9Sstevel@tonic-gate error = TRUE; 58447c478bd9Sstevel@tonic-gate break; 58457c478bd9Sstevel@tonic-gate } else { 58467c478bd9Sstevel@tonic-gate selector_list = (selector_list_t *) 58477c478bd9Sstevel@tonic-gate s_malloc(sizeof (selector_list_t)); 58487c478bd9Sstevel@tonic-gate if (strcmp(NAME_S, key) == 0) { 58497c478bd9Sstevel@tonic-gate selector_list->key = NAME; 58507c478bd9Sstevel@tonic-gate } else if (strcmp(TYPE_S, key) == 0) { 58517c478bd9Sstevel@tonic-gate selector_list->key = TYPE; 58527c478bd9Sstevel@tonic-gate } else if (strncmp(ADDR_S, key, ADDR_S_LEN) == 0) { 58537c478bd9Sstevel@tonic-gate selector_list->key = ADDR; 58547c478bd9Sstevel@tonic-gate if (key[ADDR_S_LEN] == '\0') { 58557c478bd9Sstevel@tonic-gate selector_list->arg = 0; 58567c478bd9Sstevel@tonic-gate } else if (isdigit(key[ADDR_S_LEN]) != 58577c478bd9Sstevel@tonic-gate FALSE) { 58587c478bd9Sstevel@tonic-gate selector_list->arg = 58597c478bd9Sstevel@tonic-gate atoi(&key[ADDR_S_LEN]); 58607c478bd9Sstevel@tonic-gate } else { 58617c478bd9Sstevel@tonic-gate error = TRUE; 58627c478bd9Sstevel@tonic-gate free(selector_list); 58637c478bd9Sstevel@tonic-gate err_print(BADKEYWORD, key, 58647c478bd9Sstevel@tonic-gate devlinktab_line, 58657c478bd9Sstevel@tonic-gate devlinktab_file); 58667c478bd9Sstevel@tonic-gate break; 58677c478bd9Sstevel@tonic-gate } 58687c478bd9Sstevel@tonic-gate } else if (strncmp(MINOR_S, key, 58697c478bd9Sstevel@tonic-gate MINOR_S_LEN) == 0) { 58707c478bd9Sstevel@tonic-gate selector_list->key = MINOR; 58717c478bd9Sstevel@tonic-gate if (key[MINOR_S_LEN] == '\0') { 58727c478bd9Sstevel@tonic-gate selector_list->arg = 0; 58737c478bd9Sstevel@tonic-gate } else if (isdigit(key[MINOR_S_LEN]) != 58747c478bd9Sstevel@tonic-gate FALSE) { 58757c478bd9Sstevel@tonic-gate selector_list->arg = 58767c478bd9Sstevel@tonic-gate atoi(&key[MINOR_S_LEN]); 58777c478bd9Sstevel@tonic-gate } else { 58787c478bd9Sstevel@tonic-gate error = TRUE; 58797c478bd9Sstevel@tonic-gate free(selector_list); 58807c478bd9Sstevel@tonic-gate err_print(BADKEYWORD, key, 58817c478bd9Sstevel@tonic-gate devlinktab_line, 58827c478bd9Sstevel@tonic-gate devlinktab_file); 58837c478bd9Sstevel@tonic-gate break; 58847c478bd9Sstevel@tonic-gate } 58857c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "MINOR = %s\n", val); 58867c478bd9Sstevel@tonic-gate } else { 58877c478bd9Sstevel@tonic-gate err_print(UNRECOGNIZED_KEY, key, 58887c478bd9Sstevel@tonic-gate devlinktab_line, devlinktab_file); 58897c478bd9Sstevel@tonic-gate error = TRUE; 58907c478bd9Sstevel@tonic-gate free(selector_list); 58917c478bd9Sstevel@tonic-gate break; 58927c478bd9Sstevel@tonic-gate } 58937c478bd9Sstevel@tonic-gate selector_list->val = s_strdup(val); 58947c478bd9Sstevel@tonic-gate selector_list->next = head_selector_list; 58957c478bd9Sstevel@tonic-gate head_selector_list = selector_list; 58967c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "key='%s' val='%s' arg=%d\n", 58977c478bd9Sstevel@tonic-gate key, val, selector_list->arg); 58987c478bd9Sstevel@tonic-gate } 58997c478bd9Sstevel@tonic-gate } 59007c478bd9Sstevel@tonic-gate 59017c478bd9Sstevel@tonic-gate if ((error == FALSE) && (head_selector_list != NULL)) { 59027c478bd9Sstevel@tonic-gate return (head_selector_list); 59037c478bd9Sstevel@tonic-gate } else { 59047c478bd9Sstevel@tonic-gate /* parse failed. Free any allocated structs */ 59057c478bd9Sstevel@tonic-gate free_selector_list(head_selector_list); 59067c478bd9Sstevel@tonic-gate return (NULL); 59077c478bd9Sstevel@tonic-gate } 59087c478bd9Sstevel@tonic-gate } 59097c478bd9Sstevel@tonic-gate 59107c478bd9Sstevel@tonic-gate /* 59117c478bd9Sstevel@tonic-gate * Takes a semicolon separated list of selector elements and breaks up 59127c478bd9Sstevel@tonic-gate * into a keyword-value pair. semicolon and equal characters are 59137c478bd9Sstevel@tonic-gate * replaced with NULL's. On success, selector is updated to point to the 59147c478bd9Sstevel@tonic-gate * terminating NULL character terminating the keyword-value pair, and the 59157c478bd9Sstevel@tonic-gate * function returns DEVFSADM_SUCCESS. If there is a syntax error, 59167c478bd9Sstevel@tonic-gate * devfs_spec is not modified and function returns DEVFSADM_FAILURE. 59177c478bd9Sstevel@tonic-gate */ 59187c478bd9Sstevel@tonic-gate static int 59197c478bd9Sstevel@tonic-gate parse_selector(char **selector, char **key, char **val) 59207c478bd9Sstevel@tonic-gate { 59217c478bd9Sstevel@tonic-gate char *equal; 59227c478bd9Sstevel@tonic-gate char *semi_colon; 59237c478bd9Sstevel@tonic-gate 59247c478bd9Sstevel@tonic-gate *key = *selector; 59257c478bd9Sstevel@tonic-gate 59267c478bd9Sstevel@tonic-gate if ((equal = strchr(*key, '=')) != NULL) { 59277c478bd9Sstevel@tonic-gate *equal = '\0'; 59287c478bd9Sstevel@tonic-gate } else { 59297c478bd9Sstevel@tonic-gate err_print(MISSING_EQUAL, devlinktab_line, devlinktab_file); 59307c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 59317c478bd9Sstevel@tonic-gate } 59327c478bd9Sstevel@tonic-gate 59337c478bd9Sstevel@tonic-gate *val = ++equal; 59347c478bd9Sstevel@tonic-gate if ((semi_colon = strchr(equal, ';')) != NULL) { 59357c478bd9Sstevel@tonic-gate *semi_colon = '\0'; 59367c478bd9Sstevel@tonic-gate *selector = semi_colon + 1; 59377c478bd9Sstevel@tonic-gate } else { 59387c478bd9Sstevel@tonic-gate *selector = equal + strlen(equal); 59397c478bd9Sstevel@tonic-gate } 59407c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 59417c478bd9Sstevel@tonic-gate } 59427c478bd9Sstevel@tonic-gate 59437c478bd9Sstevel@tonic-gate /* 59447c478bd9Sstevel@tonic-gate * link is either the second or third field of devlink.tab. Parse link 59457c478bd9Sstevel@tonic-gate * into a linked list of devlink structures and return ptr to list. Each 59467c478bd9Sstevel@tonic-gate * list element is either a constant string, or one of the following 59477c478bd9Sstevel@tonic-gate * escape sequences: \M, \A, \N, or \D. The first three escape sequences 59487c478bd9Sstevel@tonic-gate * take a numerical argument. 59497c478bd9Sstevel@tonic-gate */ 59507c478bd9Sstevel@tonic-gate static link_list_t * 59517c478bd9Sstevel@tonic-gate create_link_list(char *link) 59527c478bd9Sstevel@tonic-gate { 59537c478bd9Sstevel@tonic-gate int x = 0; 59547c478bd9Sstevel@tonic-gate int error = FALSE; 59557c478bd9Sstevel@tonic-gate int counter_found = FALSE; 59567c478bd9Sstevel@tonic-gate link_list_t *head = NULL; 59577c478bd9Sstevel@tonic-gate link_list_t **ptr; 59587c478bd9Sstevel@tonic-gate link_list_t *link_list; 59597c478bd9Sstevel@tonic-gate char constant[MAX_DEVLINK_LINE]; 59607c478bd9Sstevel@tonic-gate char *error_str; 59617c478bd9Sstevel@tonic-gate 59627c478bd9Sstevel@tonic-gate if (link == NULL) { 59637c478bd9Sstevel@tonic-gate return (NULL); 59647c478bd9Sstevel@tonic-gate } 59657c478bd9Sstevel@tonic-gate 59667c478bd9Sstevel@tonic-gate while ((*link != '\0') && (error == FALSE)) { 59677c478bd9Sstevel@tonic-gate link_list = (link_list_t *)s_malloc(sizeof (link_list_t)); 59687c478bd9Sstevel@tonic-gate link_list->next = NULL; 59697c478bd9Sstevel@tonic-gate 59707c478bd9Sstevel@tonic-gate while ((*link != '\0') && (*link != '\\')) { 59717c478bd9Sstevel@tonic-gate /* a non-escaped string */ 59727c478bd9Sstevel@tonic-gate constant[x++] = *(link++); 59737c478bd9Sstevel@tonic-gate } 59747c478bd9Sstevel@tonic-gate if (x != 0) { 59757c478bd9Sstevel@tonic-gate constant[x] = '\0'; 59767c478bd9Sstevel@tonic-gate link_list->type = CONSTANT; 59777c478bd9Sstevel@tonic-gate link_list->constant = s_strdup(constant); 59787c478bd9Sstevel@tonic-gate x = 0; 59797c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "CONSTANT FOUND %s\n", constant); 59807c478bd9Sstevel@tonic-gate } else { 59817c478bd9Sstevel@tonic-gate switch (*(++link)) { 59827c478bd9Sstevel@tonic-gate case 'M': 59837c478bd9Sstevel@tonic-gate link_list->type = MINOR; 59847c478bd9Sstevel@tonic-gate break; 59857c478bd9Sstevel@tonic-gate case 'A': 59867c478bd9Sstevel@tonic-gate link_list->type = ADDR; 59877c478bd9Sstevel@tonic-gate break; 59887c478bd9Sstevel@tonic-gate case 'N': 59897c478bd9Sstevel@tonic-gate if (counter_found == TRUE) { 59907c478bd9Sstevel@tonic-gate error = TRUE; 59917c478bd9Sstevel@tonic-gate error_str = "multiple counters " 59927c478bd9Sstevel@tonic-gate "not permitted"; 59937c478bd9Sstevel@tonic-gate free(link_list); 59947c478bd9Sstevel@tonic-gate } else { 59957c478bd9Sstevel@tonic-gate counter_found = TRUE; 59967c478bd9Sstevel@tonic-gate link_list->type = COUNTER; 59977c478bd9Sstevel@tonic-gate } 59987c478bd9Sstevel@tonic-gate break; 59997c478bd9Sstevel@tonic-gate case 'D': 60007c478bd9Sstevel@tonic-gate link_list->type = NAME; 60017c478bd9Sstevel@tonic-gate break; 60027c478bd9Sstevel@tonic-gate default: 60037c478bd9Sstevel@tonic-gate error = TRUE; 60047c478bd9Sstevel@tonic-gate free(link_list); 60057c478bd9Sstevel@tonic-gate error_str = "unrecognized escape sequence"; 60067c478bd9Sstevel@tonic-gate break; 60077c478bd9Sstevel@tonic-gate } 60087c478bd9Sstevel@tonic-gate if (*(link++) != 'D') { 60097c478bd9Sstevel@tonic-gate if (isdigit(*link) == FALSE) { 60107c478bd9Sstevel@tonic-gate error_str = "escape sequence must be " 60117c478bd9Sstevel@tonic-gate "followed by a digit\n"; 60127c478bd9Sstevel@tonic-gate error = TRUE; 60137c478bd9Sstevel@tonic-gate free(link_list); 60147c478bd9Sstevel@tonic-gate } else { 60157c478bd9Sstevel@tonic-gate link_list->arg = 60167c478bd9Sstevel@tonic-gate (int)strtoul(link, &link, 10); 60177c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "link_list->arg = " 60187c478bd9Sstevel@tonic-gate "%d\n", link_list->arg); 60197c478bd9Sstevel@tonic-gate } 60207c478bd9Sstevel@tonic-gate } 60217c478bd9Sstevel@tonic-gate } 60227c478bd9Sstevel@tonic-gate /* append link_list struct to end of list */ 60237c478bd9Sstevel@tonic-gate if (error == FALSE) { 60247c478bd9Sstevel@tonic-gate for (ptr = &head; *ptr != NULL; ptr = &((*ptr)->next)); 60257c478bd9Sstevel@tonic-gate *ptr = link_list; 60267c478bd9Sstevel@tonic-gate } 60277c478bd9Sstevel@tonic-gate } 60287c478bd9Sstevel@tonic-gate 60297c478bd9Sstevel@tonic-gate if (error == FALSE) { 60307c478bd9Sstevel@tonic-gate return (head); 60317c478bd9Sstevel@tonic-gate } else { 60327c478bd9Sstevel@tonic-gate err_print(CONFIG_INCORRECT, devlinktab_line, devlinktab_file, 60337c478bd9Sstevel@tonic-gate error_str); 60347c478bd9Sstevel@tonic-gate free_link_list(head); 60357c478bd9Sstevel@tonic-gate return (NULL); 60367c478bd9Sstevel@tonic-gate } 60377c478bd9Sstevel@tonic-gate } 60387c478bd9Sstevel@tonic-gate 60397c478bd9Sstevel@tonic-gate /* 60407c478bd9Sstevel@tonic-gate * Called for each minor node devfsadm processes; for each minor node, 60417c478bd9Sstevel@tonic-gate * look for matches in the devlinktab_list list which was created on 60427c478bd9Sstevel@tonic-gate * startup read_devlinktab_file(). If there is a match, call build_links() 60437c478bd9Sstevel@tonic-gate * to build a logical devlink and a possible extra devlink. 60447c478bd9Sstevel@tonic-gate */ 60457c478bd9Sstevel@tonic-gate static int 60467c478bd9Sstevel@tonic-gate process_devlink_compat(di_minor_t minor, di_node_t node) 60477c478bd9Sstevel@tonic-gate { 60487c478bd9Sstevel@tonic-gate int link_built = FALSE; 60497c478bd9Sstevel@tonic-gate devlinktab_list_t *entry; 60507c478bd9Sstevel@tonic-gate char *nodetype; 60517c478bd9Sstevel@tonic-gate char *dev_path; 60527c478bd9Sstevel@tonic-gate 60537c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 60547c478bd9Sstevel@tonic-gate nodetype = di_minor_nodetype(minor); 60557c478bd9Sstevel@tonic-gate assert(nodetype != NULL); 60567c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) != NULL) { 60577c478bd9Sstevel@tonic-gate vprint(INFO_MID, "'%s' entry: %s:%s\n", nodetype, 60587c478bd9Sstevel@tonic-gate dev_path, 60597c478bd9Sstevel@tonic-gate di_minor_name(minor) ? di_minor_name(minor) : 60607c478bd9Sstevel@tonic-gate ""); 60617c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 60627c478bd9Sstevel@tonic-gate } 60637c478bd9Sstevel@tonic-gate 60647c478bd9Sstevel@tonic-gate } 60657c478bd9Sstevel@tonic-gate 60667c478bd9Sstevel@tonic-gate 60677c478bd9Sstevel@tonic-gate /* don't process devlink.tab if devfsadm invoked with -c <class> */ 60687c478bd9Sstevel@tonic-gate if (num_classes > 0) { 60697c478bd9Sstevel@tonic-gate return (FALSE); 60707c478bd9Sstevel@tonic-gate } 60717c478bd9Sstevel@tonic-gate 60727c478bd9Sstevel@tonic-gate for (entry = devlinktab_list; entry != NULL; entry = entry->next) { 60737c478bd9Sstevel@tonic-gate if (devlink_matches(entry, minor, node) == DEVFSADM_SUCCESS) { 60747c478bd9Sstevel@tonic-gate link_built = TRUE; 60757c478bd9Sstevel@tonic-gate (void) build_links(entry, minor, node); 60767c478bd9Sstevel@tonic-gate } 60777c478bd9Sstevel@tonic-gate } 60787c478bd9Sstevel@tonic-gate return (link_built); 60797c478bd9Sstevel@tonic-gate } 60807c478bd9Sstevel@tonic-gate 60817c478bd9Sstevel@tonic-gate /* 60827c478bd9Sstevel@tonic-gate * For a given devlink.tab devlinktab_list entry, see if the selector 60837c478bd9Sstevel@tonic-gate * field matches this minor node. If it does, return DEVFSADM_SUCCESS, 60847c478bd9Sstevel@tonic-gate * otherwise DEVFSADM_FAILURE. 60857c478bd9Sstevel@tonic-gate */ 60867c478bd9Sstevel@tonic-gate static int 60877c478bd9Sstevel@tonic-gate devlink_matches(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 60887c478bd9Sstevel@tonic-gate { 60897c478bd9Sstevel@tonic-gate selector_list_t *selector = entry->selector; 60907c478bd9Sstevel@tonic-gate char *addr; 60917c478bd9Sstevel@tonic-gate char *minor_name; 60927c478bd9Sstevel@tonic-gate char *node_type; 60937c478bd9Sstevel@tonic-gate 60947c478bd9Sstevel@tonic-gate for (; selector != NULL; selector = selector->next) { 60957c478bd9Sstevel@tonic-gate switch (selector->key) { 60967c478bd9Sstevel@tonic-gate case NAME: 60977c478bd9Sstevel@tonic-gate if (strcmp(di_node_name(node), selector->val) != 0) { 60987c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60997c478bd9Sstevel@tonic-gate } 61007c478bd9Sstevel@tonic-gate break; 61017c478bd9Sstevel@tonic-gate case TYPE: 61027c478bd9Sstevel@tonic-gate node_type = di_minor_nodetype(minor); 61037c478bd9Sstevel@tonic-gate assert(node_type != NULL); 61047c478bd9Sstevel@tonic-gate if (strcmp(node_type, selector->val) != 0) { 61057c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61067c478bd9Sstevel@tonic-gate } 61077c478bd9Sstevel@tonic-gate break; 61087c478bd9Sstevel@tonic-gate case ADDR: 61097c478bd9Sstevel@tonic-gate if ((addr = di_bus_addr(node)) == NULL) { 61107c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61117c478bd9Sstevel@tonic-gate } 61127c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 61137c478bd9Sstevel@tonic-gate if (strcmp(addr, selector->val) != 0) { 61147c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61157c478bd9Sstevel@tonic-gate } 61167c478bd9Sstevel@tonic-gate } else { 61177c478bd9Sstevel@tonic-gate if (compare_field(addr, selector->val, 61187c478bd9Sstevel@tonic-gate selector->arg) == DEVFSADM_FAILURE) { 61197c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61207c478bd9Sstevel@tonic-gate } 61217c478bd9Sstevel@tonic-gate } 61227c478bd9Sstevel@tonic-gate break; 61237c478bd9Sstevel@tonic-gate case MINOR: 61247c478bd9Sstevel@tonic-gate if ((minor_name = di_minor_name(minor)) == NULL) { 61257c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61267c478bd9Sstevel@tonic-gate } 61277c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 61287c478bd9Sstevel@tonic-gate if (strcmp(minor_name, selector->val) != 0) { 61297c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61307c478bd9Sstevel@tonic-gate } 61317c478bd9Sstevel@tonic-gate } else { 61327c478bd9Sstevel@tonic-gate if (compare_field(minor_name, selector->val, 61337c478bd9Sstevel@tonic-gate selector->arg) == DEVFSADM_FAILURE) { 61347c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61357c478bd9Sstevel@tonic-gate } 61367c478bd9Sstevel@tonic-gate } 61377c478bd9Sstevel@tonic-gate break; 61387c478bd9Sstevel@tonic-gate default: 61397c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61407c478bd9Sstevel@tonic-gate } 61417c478bd9Sstevel@tonic-gate } 61427c478bd9Sstevel@tonic-gate 61437c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 61447c478bd9Sstevel@tonic-gate } 61457c478bd9Sstevel@tonic-gate 61467c478bd9Sstevel@tonic-gate /* 61477c478bd9Sstevel@tonic-gate * For the given minor node and devlinktab_list entry from devlink.tab, 61487c478bd9Sstevel@tonic-gate * build a logical dev link and a possible extra devlink. 61497c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS if link is created, otherwise DEVFSADM_FAILURE. 61507c478bd9Sstevel@tonic-gate */ 61517c478bd9Sstevel@tonic-gate static int 61527c478bd9Sstevel@tonic-gate build_links(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 61537c478bd9Sstevel@tonic-gate { 61547c478bd9Sstevel@tonic-gate char secondary_link[PATH_MAX + 1]; 61557c478bd9Sstevel@tonic-gate char primary_link[PATH_MAX + 1]; 61567c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 61577c478bd9Sstevel@tonic-gate char *dev_path; 61587c478bd9Sstevel@tonic-gate 61597c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 61607c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 61617c478bd9Sstevel@tonic-gate devfsadm_exit(1); 61627c478bd9Sstevel@tonic-gate } 61637c478bd9Sstevel@tonic-gate (void) strcpy(contents, dev_path); 61647c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 61657c478bd9Sstevel@tonic-gate 61667c478bd9Sstevel@tonic-gate (void) strcat(contents, ":"); 61677c478bd9Sstevel@tonic-gate (void) strcat(contents, di_minor_name(minor)); 61687c478bd9Sstevel@tonic-gate 61697c478bd9Sstevel@tonic-gate if (construct_devlink(primary_link, entry->p_link, contents, 61707c478bd9Sstevel@tonic-gate minor, node, 61717c478bd9Sstevel@tonic-gate entry->p_link_pattern) == DEVFSADM_FAILURE) { 61727c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61737c478bd9Sstevel@tonic-gate } 61747c478bd9Sstevel@tonic-gate (void) devfsadm_mklink(primary_link, node, minor, 0); 61757c478bd9Sstevel@tonic-gate 61767c478bd9Sstevel@tonic-gate if (entry->s_link == NULL) { 61777c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 61787c478bd9Sstevel@tonic-gate } 61797c478bd9Sstevel@tonic-gate 61807c478bd9Sstevel@tonic-gate if (construct_devlink(secondary_link, entry->s_link, 61817c478bd9Sstevel@tonic-gate primary_link, minor, node, 61827c478bd9Sstevel@tonic-gate entry->s_link_pattern) == DEVFSADM_FAILURE) { 61837c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61847c478bd9Sstevel@tonic-gate } 61857c478bd9Sstevel@tonic-gate 61867c478bd9Sstevel@tonic-gate (void) devfsadm_secondary_link(secondary_link, primary_link, 0); 61877c478bd9Sstevel@tonic-gate 61887c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 61897c478bd9Sstevel@tonic-gate } 61907c478bd9Sstevel@tonic-gate 61917c478bd9Sstevel@tonic-gate /* 61927c478bd9Sstevel@tonic-gate * The counter rule for devlink.tab entries is implemented via 61937c478bd9Sstevel@tonic-gate * devfsadm_enumerate_int_start(). One of the arguments to this function 61947c478bd9Sstevel@tonic-gate * is a path, where each path component is treated as a regular expression. 61957c478bd9Sstevel@tonic-gate * For devlink.tab entries, this path regular expression is derived from 61967c478bd9Sstevel@tonic-gate * the devlink spec. get_anchored_re() accepts path regular expressions derived 61977c478bd9Sstevel@tonic-gate * from devlink.tab entries and inserts the anchors '^' and '$' at the beginning 61987c478bd9Sstevel@tonic-gate * and end respectively of each path component. This is done to prevent 61997c478bd9Sstevel@tonic-gate * false matches. For example, without anchors, "a/([0-9]+)" will match "ab/c9" 62007c478bd9Sstevel@tonic-gate * and incorrect links will be generated. 62017c478bd9Sstevel@tonic-gate */ 62027c478bd9Sstevel@tonic-gate static int 62037c478bd9Sstevel@tonic-gate get_anchored_re(char *link, char *anchored_re, char *pattern) 62047c478bd9Sstevel@tonic-gate { 62057c478bd9Sstevel@tonic-gate if (*link == '/' || *link == '\0') { 62067c478bd9Sstevel@tonic-gate err_print(INVALID_DEVLINK_SPEC, pattern); 62077c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62087c478bd9Sstevel@tonic-gate } 62097c478bd9Sstevel@tonic-gate 62107c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 62117c478bd9Sstevel@tonic-gate for (; *link != '\0'; ) { 62127c478bd9Sstevel@tonic-gate if (*link == '/') { 62137c478bd9Sstevel@tonic-gate while (*link == '/') 62147c478bd9Sstevel@tonic-gate link++; 62157c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 62167c478bd9Sstevel@tonic-gate *anchored_re++ = '/'; 62177c478bd9Sstevel@tonic-gate if (*link != '\0') { 62187c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 62197c478bd9Sstevel@tonic-gate } 62207c478bd9Sstevel@tonic-gate } else { 62217c478bd9Sstevel@tonic-gate *anchored_re++ = *link++; 62227c478bd9Sstevel@tonic-gate if (*link == '\0') { 62237c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 62247c478bd9Sstevel@tonic-gate } 62257c478bd9Sstevel@tonic-gate } 62267c478bd9Sstevel@tonic-gate } 62277c478bd9Sstevel@tonic-gate *anchored_re = '\0'; 62287c478bd9Sstevel@tonic-gate 62297c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 62307c478bd9Sstevel@tonic-gate } 62317c478bd9Sstevel@tonic-gate 62327c478bd9Sstevel@tonic-gate static int 62337c478bd9Sstevel@tonic-gate construct_devlink(char *link, link_list_t *link_build, char *contents, 62347c478bd9Sstevel@tonic-gate di_minor_t minor, di_node_t node, char *pattern) 62357c478bd9Sstevel@tonic-gate { 62367c478bd9Sstevel@tonic-gate int counter_offset = -1; 62377c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[1] = {NULL}; 62387c478bd9Sstevel@tonic-gate char templink[PATH_MAX + 1]; 62397c478bd9Sstevel@tonic-gate char *buff; 62407c478bd9Sstevel@tonic-gate char start[10]; 62417c478bd9Sstevel@tonic-gate char *node_path; 62427c478bd9Sstevel@tonic-gate char anchored_re[PATH_MAX + 1]; 62437c478bd9Sstevel@tonic-gate 62447c478bd9Sstevel@tonic-gate link[0] = '\0'; 62457c478bd9Sstevel@tonic-gate 62467c478bd9Sstevel@tonic-gate for (; link_build != NULL; link_build = link_build->next) { 62477c478bd9Sstevel@tonic-gate switch (link_build->type) { 62487c478bd9Sstevel@tonic-gate case NAME: 62497c478bd9Sstevel@tonic-gate (void) strcat(link, di_node_name(node)); 62507c478bd9Sstevel@tonic-gate break; 62517c478bd9Sstevel@tonic-gate case CONSTANT: 62527c478bd9Sstevel@tonic-gate (void) strcat(link, link_build->constant); 62537c478bd9Sstevel@tonic-gate break; 62547c478bd9Sstevel@tonic-gate case ADDR: 62557c478bd9Sstevel@tonic-gate if (component_cat(link, di_bus_addr(node), 62567c478bd9Sstevel@tonic-gate link_build->arg) == DEVFSADM_FAILURE) { 62577c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 62587c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 62597c478bd9Sstevel@tonic-gate di_minor_name(minor)); 62607c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 62617c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62627c478bd9Sstevel@tonic-gate } 62637c478bd9Sstevel@tonic-gate break; 62647c478bd9Sstevel@tonic-gate case MINOR: 62657c478bd9Sstevel@tonic-gate if (component_cat(link, di_minor_name(minor), 62667c478bd9Sstevel@tonic-gate link_build->arg) == DEVFSADM_FAILURE) { 62677c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 62687c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 62697c478bd9Sstevel@tonic-gate di_minor_name(minor)); 62707c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 62717c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62727c478bd9Sstevel@tonic-gate } 62737c478bd9Sstevel@tonic-gate break; 62747c478bd9Sstevel@tonic-gate case COUNTER: 62757c478bd9Sstevel@tonic-gate counter_offset = strlen(link); 62767c478bd9Sstevel@tonic-gate (void) strcat(link, "([0-9]+)"); 62777c478bd9Sstevel@tonic-gate (void) sprintf(start, "%d", link_build->arg); 62787c478bd9Sstevel@tonic-gate break; 62797c478bd9Sstevel@tonic-gate default: 62807c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62817c478bd9Sstevel@tonic-gate } 62827c478bd9Sstevel@tonic-gate } 62837c478bd9Sstevel@tonic-gate 62847c478bd9Sstevel@tonic-gate if (counter_offset != -1) { 62857c478bd9Sstevel@tonic-gate /* 62867c478bd9Sstevel@tonic-gate * copy anything appended after "([0-9]+)" into 62877c478bd9Sstevel@tonic-gate * templink 62887c478bd9Sstevel@tonic-gate */ 62897c478bd9Sstevel@tonic-gate 62907c478bd9Sstevel@tonic-gate (void) strcpy(templink, 62917c478bd9Sstevel@tonic-gate &link[counter_offset + strlen("([0-9]+)")]); 62927c478bd9Sstevel@tonic-gate if (get_anchored_re(link, anchored_re, pattern) 62937c478bd9Sstevel@tonic-gate != DEVFSADM_SUCCESS) { 62947c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62957c478bd9Sstevel@tonic-gate } 62967c478bd9Sstevel@tonic-gate rules[0].re = anchored_re; 62977c478bd9Sstevel@tonic-gate rules[0].subexp = 1; 62987c478bd9Sstevel@tonic-gate rules[0].flags = MATCH_ALL; 62997c478bd9Sstevel@tonic-gate if (devfsadm_enumerate_int_start(contents, 0, &buff, 63007c478bd9Sstevel@tonic-gate rules, 1, start) == DEVFSADM_FAILURE) { 63017c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63027c478bd9Sstevel@tonic-gate } 63037c478bd9Sstevel@tonic-gate (void) strcpy(&link[counter_offset], buff); 63047c478bd9Sstevel@tonic-gate free(buff); 63057c478bd9Sstevel@tonic-gate (void) strcat(link, templink); 63067c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "COUNTER is %s\n", link); 63077c478bd9Sstevel@tonic-gate } 63087c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 63097c478bd9Sstevel@tonic-gate } 63107c478bd9Sstevel@tonic-gate 63117c478bd9Sstevel@tonic-gate /* 63127c478bd9Sstevel@tonic-gate * Compares "field" number of the comma separated list "full_name" with 63137c478bd9Sstevel@tonic-gate * field_item. Returns DEVFSADM_SUCCESS for match, 63147c478bd9Sstevel@tonic-gate * DEVFSADM_FAILURE for no match. 63157c478bd9Sstevel@tonic-gate */ 63167c478bd9Sstevel@tonic-gate static int 63177c478bd9Sstevel@tonic-gate compare_field(char *full_name, char *field_item, int field) 63187c478bd9Sstevel@tonic-gate { 63197c478bd9Sstevel@tonic-gate --field; 63207c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (field != 0)) { 63217c478bd9Sstevel@tonic-gate if (*(full_name++) == ',') { 63227c478bd9Sstevel@tonic-gate field--; 63237c478bd9Sstevel@tonic-gate } 63247c478bd9Sstevel@tonic-gate } 63257c478bd9Sstevel@tonic-gate 63267c478bd9Sstevel@tonic-gate if (field != 0) { 63277c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63287c478bd9Sstevel@tonic-gate } 63297c478bd9Sstevel@tonic-gate 63307c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (*field_item != '\0') && 63317c478bd9Sstevel@tonic-gate (*full_name != ',')) { 63327c478bd9Sstevel@tonic-gate if (*(full_name++) != *(field_item++)) { 63337c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63347c478bd9Sstevel@tonic-gate } 63357c478bd9Sstevel@tonic-gate } 63367c478bd9Sstevel@tonic-gate 63377c478bd9Sstevel@tonic-gate if (*field_item != '\0') { 63387c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63397c478bd9Sstevel@tonic-gate } 63407c478bd9Sstevel@tonic-gate 63417c478bd9Sstevel@tonic-gate if ((*full_name == '\0') || (*full_name == ',')) 63427c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 63437c478bd9Sstevel@tonic-gate 63447c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63457c478bd9Sstevel@tonic-gate } 63467c478bd9Sstevel@tonic-gate 63477c478bd9Sstevel@tonic-gate /* 63487c478bd9Sstevel@tonic-gate * strcat() field # "field" of comma separated list "name" to "link". 63497c478bd9Sstevel@tonic-gate * Field 0 is the entire name. 63507c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS or DEVFSADM_FAILURE. 63517c478bd9Sstevel@tonic-gate */ 63527c478bd9Sstevel@tonic-gate static int 63537c478bd9Sstevel@tonic-gate component_cat(char *link, char *name, int field) 63547c478bd9Sstevel@tonic-gate { 63557c478bd9Sstevel@tonic-gate 63567c478bd9Sstevel@tonic-gate if (name == NULL) { 63577c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63587c478bd9Sstevel@tonic-gate } 63597c478bd9Sstevel@tonic-gate 63607c478bd9Sstevel@tonic-gate if (field == 0) { 63617c478bd9Sstevel@tonic-gate (void) strcat(link, name); 63627c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 63637c478bd9Sstevel@tonic-gate } 63647c478bd9Sstevel@tonic-gate 63657c478bd9Sstevel@tonic-gate while (*link != '\0') { 63667c478bd9Sstevel@tonic-gate link++; 63677c478bd9Sstevel@tonic-gate } 63687c478bd9Sstevel@tonic-gate 63697c478bd9Sstevel@tonic-gate --field; 63707c478bd9Sstevel@tonic-gate while ((*name != '\0') && (field != 0)) { 63717c478bd9Sstevel@tonic-gate if (*(name++) == ',') { 63727c478bd9Sstevel@tonic-gate --field; 63737c478bd9Sstevel@tonic-gate } 63747c478bd9Sstevel@tonic-gate } 63757c478bd9Sstevel@tonic-gate 63767c478bd9Sstevel@tonic-gate if (field != 0) { 63777c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63787c478bd9Sstevel@tonic-gate } 63797c478bd9Sstevel@tonic-gate 63807c478bd9Sstevel@tonic-gate while ((*name != '\0') && (*name != ',')) { 63817c478bd9Sstevel@tonic-gate *(link++) = *(name++); 63827c478bd9Sstevel@tonic-gate } 63837c478bd9Sstevel@tonic-gate 63847c478bd9Sstevel@tonic-gate *link = '\0'; 63857c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 63867c478bd9Sstevel@tonic-gate } 63877c478bd9Sstevel@tonic-gate 63887c478bd9Sstevel@tonic-gate static void 63897c478bd9Sstevel@tonic-gate free_selector_list(selector_list_t *head) 63907c478bd9Sstevel@tonic-gate { 63917c478bd9Sstevel@tonic-gate selector_list_t *temp; 63927c478bd9Sstevel@tonic-gate 63937c478bd9Sstevel@tonic-gate while (head != NULL) { 63947c478bd9Sstevel@tonic-gate temp = head; 63957c478bd9Sstevel@tonic-gate head = head->next; 63967c478bd9Sstevel@tonic-gate free(temp->val); 63977c478bd9Sstevel@tonic-gate free(temp); 63987c478bd9Sstevel@tonic-gate } 63997c478bd9Sstevel@tonic-gate } 64007c478bd9Sstevel@tonic-gate 64017c478bd9Sstevel@tonic-gate static void 64027c478bd9Sstevel@tonic-gate free_link_list(link_list_t *head) 64037c478bd9Sstevel@tonic-gate { 64047c478bd9Sstevel@tonic-gate link_list_t *temp; 64057c478bd9Sstevel@tonic-gate 64067c478bd9Sstevel@tonic-gate while (head != NULL) { 64077c478bd9Sstevel@tonic-gate temp = head; 64087c478bd9Sstevel@tonic-gate head = head->next; 64097c478bd9Sstevel@tonic-gate if (temp->type == CONSTANT) { 64107c478bd9Sstevel@tonic-gate free(temp->constant); 64117c478bd9Sstevel@tonic-gate } 64127c478bd9Sstevel@tonic-gate free(temp); 64137c478bd9Sstevel@tonic-gate } 64147c478bd9Sstevel@tonic-gate } 64157c478bd9Sstevel@tonic-gate 64167c478bd9Sstevel@tonic-gate /* 64177c478bd9Sstevel@tonic-gate * Prints only if level matches one of the debug levels 64187c478bd9Sstevel@tonic-gate * given on command line. INFO_MID is always printed. 64197c478bd9Sstevel@tonic-gate * 64207c478bd9Sstevel@tonic-gate * See devfsadm.h for a listing of globally defined levels and 64217c478bd9Sstevel@tonic-gate * meanings. Modules should prefix the level with their 64227c478bd9Sstevel@tonic-gate * module name to prevent collisions. 64237c478bd9Sstevel@tonic-gate */ 64247c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 64257c478bd9Sstevel@tonic-gate void 64267c478bd9Sstevel@tonic-gate devfsadm_print(char *msgid, char *message, ...) 64277c478bd9Sstevel@tonic-gate { 64287c478bd9Sstevel@tonic-gate va_list ap; 64297c478bd9Sstevel@tonic-gate static int newline = TRUE; 64307c478bd9Sstevel@tonic-gate int x; 64317c478bd9Sstevel@tonic-gate 64327c478bd9Sstevel@tonic-gate if (msgid != NULL) { 64337c478bd9Sstevel@tonic-gate for (x = 0; x < num_verbose; x++) { 64347c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], msgid) == 0) { 64357c478bd9Sstevel@tonic-gate break; 64367c478bd9Sstevel@tonic-gate } 64377c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], ALL_MID) == 0) { 64387c478bd9Sstevel@tonic-gate break; 64397c478bd9Sstevel@tonic-gate } 64407c478bd9Sstevel@tonic-gate } 64417c478bd9Sstevel@tonic-gate if (x == num_verbose) { 64427c478bd9Sstevel@tonic-gate return; 64437c478bd9Sstevel@tonic-gate } 64447c478bd9Sstevel@tonic-gate } 64457c478bd9Sstevel@tonic-gate 64467c478bd9Sstevel@tonic-gate va_start(ap, message); 64477c478bd9Sstevel@tonic-gate 64487c478bd9Sstevel@tonic-gate if (msgid == NULL) { 64497c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 64507c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_NOTICE, message, ap); 64517c478bd9Sstevel@tonic-gate } else { 64527c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 64537c478bd9Sstevel@tonic-gate } 64547c478bd9Sstevel@tonic-gate 64557c478bd9Sstevel@tonic-gate } else { 64567c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 64577c478bd9Sstevel@tonic-gate (void) syslog(LOG_DEBUG, "%s[%ld]: %s: ", 64587c478bd9Sstevel@tonic-gate prog, getpid(), msgid); 64597c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_DEBUG, message, ap); 64607c478bd9Sstevel@tonic-gate } else { 64617c478bd9Sstevel@tonic-gate if (newline == TRUE) { 64627c478bd9Sstevel@tonic-gate (void) fprintf(stdout, "%s[%ld]: %s: ", 64637c478bd9Sstevel@tonic-gate prog, getpid(), msgid); 64647c478bd9Sstevel@tonic-gate } 64657c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 64667c478bd9Sstevel@tonic-gate } 64677c478bd9Sstevel@tonic-gate } 64687c478bd9Sstevel@tonic-gate 64697c478bd9Sstevel@tonic-gate if (message[strlen(message) - 1] == '\n') { 64707c478bd9Sstevel@tonic-gate newline = TRUE; 64717c478bd9Sstevel@tonic-gate } else { 64727c478bd9Sstevel@tonic-gate newline = FALSE; 64737c478bd9Sstevel@tonic-gate } 64747c478bd9Sstevel@tonic-gate va_end(ap); 64757c478bd9Sstevel@tonic-gate } 64767c478bd9Sstevel@tonic-gate 64777c478bd9Sstevel@tonic-gate /* 64787c478bd9Sstevel@tonic-gate * print error messages to the terminal or to syslog 64797c478bd9Sstevel@tonic-gate */ 64807c478bd9Sstevel@tonic-gate /*PRINTFLIKE1*/ 64817c478bd9Sstevel@tonic-gate void 64827c478bd9Sstevel@tonic-gate devfsadm_errprint(char *message, ...) 64837c478bd9Sstevel@tonic-gate { 64847c478bd9Sstevel@tonic-gate va_list ap; 64857c478bd9Sstevel@tonic-gate 64867c478bd9Sstevel@tonic-gate va_start(ap, message); 64877c478bd9Sstevel@tonic-gate 64887c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 64897c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_ERR, message, ap); 64907c478bd9Sstevel@tonic-gate } else { 64917c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s: ", prog); 64927c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, message, ap); 64937c478bd9Sstevel@tonic-gate } 64947c478bd9Sstevel@tonic-gate va_end(ap); 64957c478bd9Sstevel@tonic-gate } 64967c478bd9Sstevel@tonic-gate 64977c478bd9Sstevel@tonic-gate /* 64987c478bd9Sstevel@tonic-gate * return noupdate state (-s) 64997c478bd9Sstevel@tonic-gate */ 65007c478bd9Sstevel@tonic-gate int 65017c478bd9Sstevel@tonic-gate devfsadm_noupdate(void) 65027c478bd9Sstevel@tonic-gate { 65037c478bd9Sstevel@tonic-gate return (file_mods == TRUE ? DEVFSADM_TRUE : DEVFSADM_FALSE); 65047c478bd9Sstevel@tonic-gate } 65057c478bd9Sstevel@tonic-gate 65067c478bd9Sstevel@tonic-gate /* 65077c478bd9Sstevel@tonic-gate * return current root update path (-r) 65087c478bd9Sstevel@tonic-gate */ 65097c478bd9Sstevel@tonic-gate const char * 65107c478bd9Sstevel@tonic-gate devfsadm_root_path(void) 65117c478bd9Sstevel@tonic-gate { 65127c478bd9Sstevel@tonic-gate if (root_dir[0] == '\0') { 65137c478bd9Sstevel@tonic-gate return ("/"); 65147c478bd9Sstevel@tonic-gate } else { 65157c478bd9Sstevel@tonic-gate return ((const char *)root_dir); 65167c478bd9Sstevel@tonic-gate } 65177c478bd9Sstevel@tonic-gate } 65187c478bd9Sstevel@tonic-gate 65193c4226f9Spjha void 65203c4226f9Spjha devfsadm_free_dev_names(char **dev_names, int len) 65213c4226f9Spjha { 65223c4226f9Spjha int i; 65233c4226f9Spjha 65243c4226f9Spjha for (i = 0; i < len; i++) 65253c4226f9Spjha free(dev_names[i]); 65263c4226f9Spjha free(dev_names); 65273c4226f9Spjha } 65283c4226f9Spjha 65293c4226f9Spjha /* 65303c4226f9Spjha * Return all devlinks corresponding to phys_path as an array of strings. 65313c4226f9Spjha * The number of entries in the array is returned through lenp. 65323c4226f9Spjha * devfsadm_free_dev_names() is used to free the returned array. 65333c4226f9Spjha * NULL is returned on failure or when there are no matching devlinks. 65343c4226f9Spjha * 65353c4226f9Spjha * re is an extended regular expression in regex(5) format used to further 65363c4226f9Spjha * match devlinks pointing to phys_path; it may be NULL to match all 65373c4226f9Spjha */ 65383c4226f9Spjha char ** 65393c4226f9Spjha devfsadm_lookup_dev_names(char *phys_path, char *re, int *lenp) 65403c4226f9Spjha { 65413c4226f9Spjha struct devlink_cb_arg cb_arg; 65423c4226f9Spjha char **dev_names = NULL; 65433c4226f9Spjha int i; 65443c4226f9Spjha 65453c4226f9Spjha *lenp = 0; 65463c4226f9Spjha cb_arg.count = 0; 65473c4226f9Spjha cb_arg.rv = 0; 65483c4226f9Spjha (void) di_devlink_cache_walk(devlink_cache, re, phys_path, 65493c4226f9Spjha DI_PRIMARY_LINK, &cb_arg, devlink_cb); 65503c4226f9Spjha 65513c4226f9Spjha if (cb_arg.rv == -1 || cb_arg.count <= 0) 65523c4226f9Spjha return (NULL); 65533c4226f9Spjha 65543c4226f9Spjha dev_names = s_malloc(cb_arg.count * sizeof (char *)); 65553c4226f9Spjha if (dev_names == NULL) 65563c4226f9Spjha goto out; 65573c4226f9Spjha 65583c4226f9Spjha for (i = 0; i < cb_arg.count; i++) { 65593c4226f9Spjha dev_names[i] = s_strdup(cb_arg.dev_names[i]); 65603c4226f9Spjha if (dev_names[i] == NULL) { 65613c4226f9Spjha devfsadm_free_dev_names(dev_names, i); 65623c4226f9Spjha dev_names = NULL; 65633c4226f9Spjha goto out; 65643c4226f9Spjha } 65653c4226f9Spjha } 65663c4226f9Spjha *lenp = cb_arg.count; 65673c4226f9Spjha 65683c4226f9Spjha out: 65693c4226f9Spjha free_dev_names(&cb_arg); 65703c4226f9Spjha return (dev_names); 65713c4226f9Spjha } 65723c4226f9Spjha 65737c478bd9Sstevel@tonic-gate /* common exit function which ensures releasing locks */ 65747c478bd9Sstevel@tonic-gate static void 65757c478bd9Sstevel@tonic-gate devfsadm_exit(int status) 65767c478bd9Sstevel@tonic-gate { 65777c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON) { 65787c478bd9Sstevel@tonic-gate vprint(INFO_MID, "exit status = %d\n", status); 65797c478bd9Sstevel@tonic-gate } 65807c478bd9Sstevel@tonic-gate 65817c478bd9Sstevel@tonic-gate if (rcm_hdl) { 65827c478bd9Sstevel@tonic-gate if (thr_self() != process_rcm_events_tid) { 65837c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 65847c478bd9Sstevel@tonic-gate need_to_exit_rcm_event_thread = 1; 65857c478bd9Sstevel@tonic-gate (void) cond_broadcast(&rcm_eventq_cv); 65867c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 65877c478bd9Sstevel@tonic-gate 65887c478bd9Sstevel@tonic-gate /* wait until process_rcm_events() thread exits */ 65897c478bd9Sstevel@tonic-gate (void) thr_join(process_rcm_events_tid, NULL, NULL); 65907c478bd9Sstevel@tonic-gate } 65917c478bd9Sstevel@tonic-gate librcm_free_handle(rcm_hdl); 65927c478bd9Sstevel@tonic-gate (void) dlclose(librcm_hdl); 65937c478bd9Sstevel@tonic-gate } 65947c478bd9Sstevel@tonic-gate 65957c478bd9Sstevel@tonic-gate exit_dev_lock(); 65967c478bd9Sstevel@tonic-gate exit_daemon_lock(); 65977c478bd9Sstevel@tonic-gate 65987c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 65997c478bd9Sstevel@tonic-gate closelog(); 66007c478bd9Sstevel@tonic-gate } 66017c478bd9Sstevel@tonic-gate 66027c478bd9Sstevel@tonic-gate exit(status); 66037c478bd9Sstevel@tonic-gate } 66047c478bd9Sstevel@tonic-gate 66057c478bd9Sstevel@tonic-gate /* 6606facf4a8dSllai * set root_dir, devices_dir, dev_dir using optarg. 66077c478bd9Sstevel@tonic-gate */ 66087c478bd9Sstevel@tonic-gate static void 6609facf4a8dSllai set_root_devices_dev_dir(char *dir) 66107c478bd9Sstevel@tonic-gate { 66117c478bd9Sstevel@tonic-gate size_t len; 66127c478bd9Sstevel@tonic-gate 66137c478bd9Sstevel@tonic-gate root_dir = s_strdup(dir); 66147c478bd9Sstevel@tonic-gate len = strlen(dir) + strlen(DEVICES) + 1; 66157c478bd9Sstevel@tonic-gate devices_dir = s_malloc(len); 66167c478bd9Sstevel@tonic-gate (void) snprintf(devices_dir, len, "%s%s", root_dir, DEVICES); 66177c478bd9Sstevel@tonic-gate len = strlen(root_dir) + strlen(DEV) + 1; 66187c478bd9Sstevel@tonic-gate dev_dir = s_malloc(len); 66197c478bd9Sstevel@tonic-gate (void) snprintf(dev_dir, len, "%s%s", root_dir, DEV); 66207c478bd9Sstevel@tonic-gate } 66217c478bd9Sstevel@tonic-gate 66227c478bd9Sstevel@tonic-gate /* 66237c478bd9Sstevel@tonic-gate * Removes quotes. 66247c478bd9Sstevel@tonic-gate */ 66257c478bd9Sstevel@tonic-gate static char * 66267c478bd9Sstevel@tonic-gate dequote(char *src) 66277c478bd9Sstevel@tonic-gate { 66287c478bd9Sstevel@tonic-gate char *dst; 66297c478bd9Sstevel@tonic-gate int len; 66307c478bd9Sstevel@tonic-gate 66317c478bd9Sstevel@tonic-gate len = strlen(src); 66327c478bd9Sstevel@tonic-gate dst = s_malloc(len + 1); 66337c478bd9Sstevel@tonic-gate if (src[0] == '\"' && src[len - 1] == '\"') { 66347c478bd9Sstevel@tonic-gate len -= 2; 66357c478bd9Sstevel@tonic-gate (void) strncpy(dst, &src[1], len); 66367c478bd9Sstevel@tonic-gate dst[len] = '\0'; 66377c478bd9Sstevel@tonic-gate } else { 66387c478bd9Sstevel@tonic-gate (void) strcpy(dst, src); 66397c478bd9Sstevel@tonic-gate } 66407c478bd9Sstevel@tonic-gate return (dst); 66417c478bd9Sstevel@tonic-gate } 66427c478bd9Sstevel@tonic-gate 66437c478bd9Sstevel@tonic-gate /* 66447c478bd9Sstevel@tonic-gate * For a given physical device pathname and spectype, return the 66457c478bd9Sstevel@tonic-gate * ownership and permissions attributes by looking in data from 66467c478bd9Sstevel@tonic-gate * /etc/minor_perm. If currently in installation mode, check for 66477c478bd9Sstevel@tonic-gate * possible major number translations from the miniroot to the installed 66487c478bd9Sstevel@tonic-gate * root's name_to_major table. Note that there can be multiple matches, 66497c478bd9Sstevel@tonic-gate * but the last match takes effect. pts seems to rely on this 66507c478bd9Sstevel@tonic-gate * implementation behavior. 66517c478bd9Sstevel@tonic-gate */ 66527c478bd9Sstevel@tonic-gate static void 66537c478bd9Sstevel@tonic-gate getattr(char *phy_path, char *aminor, int spectype, dev_t dev, mode_t *mode, 66547c478bd9Sstevel@tonic-gate uid_t *uid, gid_t *gid) 66557c478bd9Sstevel@tonic-gate { 66567c478bd9Sstevel@tonic-gate char devname[PATH_MAX + 1]; 66577c478bd9Sstevel@tonic-gate char *node_name; 66587c478bd9Sstevel@tonic-gate char *minor_name; 66597c478bd9Sstevel@tonic-gate int match = FALSE; 66607c478bd9Sstevel@tonic-gate int is_clone; 66617c478bd9Sstevel@tonic-gate int mp_drvname_matches_node_name; 66627c478bd9Sstevel@tonic-gate int mp_drvname_matches_minor_name; 66637c478bd9Sstevel@tonic-gate int mp_drvname_is_clone; 66647c478bd9Sstevel@tonic-gate int mp_drvname_matches_drvname; 66657c478bd9Sstevel@tonic-gate struct mperm *mp; 66667c478bd9Sstevel@tonic-gate major_t major_no; 66677c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 66687c478bd9Sstevel@tonic-gate 66697c478bd9Sstevel@tonic-gate /* 66707c478bd9Sstevel@tonic-gate * Get the driver name based on the major number since the name 66717c478bd9Sstevel@tonic-gate * in /devices may be generic. Could be running with more major 66727c478bd9Sstevel@tonic-gate * numbers than are in /etc/name_to_major, so get it from the kernel 66737c478bd9Sstevel@tonic-gate */ 66747c478bd9Sstevel@tonic-gate major_no = major(dev); 66757c478bd9Sstevel@tonic-gate 66767c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, driver, sizeof (driver), &major_no) != 0) { 66777c478bd9Sstevel@tonic-gate /* return default values */ 66787c478bd9Sstevel@tonic-gate goto use_defaults; 66797c478bd9Sstevel@tonic-gate } 66807c478bd9Sstevel@tonic-gate 66817c478bd9Sstevel@tonic-gate (void) strcpy(devname, phy_path); 66827c478bd9Sstevel@tonic-gate 66837c478bd9Sstevel@tonic-gate node_name = strrchr(devname, '/'); /* node name is the last */ 66847c478bd9Sstevel@tonic-gate /* component */ 66857c478bd9Sstevel@tonic-gate if (node_name == NULL) { 66867c478bd9Sstevel@tonic-gate err_print(NO_NODE, devname); 66877c478bd9Sstevel@tonic-gate goto use_defaults; 66887c478bd9Sstevel@tonic-gate } 66897c478bd9Sstevel@tonic-gate 66907c478bd9Sstevel@tonic-gate minor_name = strchr(++node_name, '@'); /* see if it has address part */ 66917c478bd9Sstevel@tonic-gate 66927c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 66937c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 66947c478bd9Sstevel@tonic-gate } else { 66957c478bd9Sstevel@tonic-gate minor_name = node_name; 66967c478bd9Sstevel@tonic-gate } 66977c478bd9Sstevel@tonic-gate 66987c478bd9Sstevel@tonic-gate minor_name = strchr(minor_name, ':'); /* look for minor name */ 66997c478bd9Sstevel@tonic-gate 67007c478bd9Sstevel@tonic-gate if (minor_name == NULL) { 67017c478bd9Sstevel@tonic-gate err_print(NO_MINOR, devname); 67027c478bd9Sstevel@tonic-gate goto use_defaults; 67037c478bd9Sstevel@tonic-gate } 67047c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 67057c478bd9Sstevel@tonic-gate 67067c478bd9Sstevel@tonic-gate /* 67077c478bd9Sstevel@tonic-gate * mp->mp_drvname = device name from minor_perm 67087c478bd9Sstevel@tonic-gate * mp->mp_minorname = minor part of device name from 67097c478bd9Sstevel@tonic-gate * minor_perm 67107c478bd9Sstevel@tonic-gate * drvname = name of driver for this device 67117c478bd9Sstevel@tonic-gate */ 67127c478bd9Sstevel@tonic-gate 67137c478bd9Sstevel@tonic-gate is_clone = (strcmp(node_name, "clone") == 0 ? TRUE : FALSE); 67147c478bd9Sstevel@tonic-gate for (mp = minor_perms; mp != NULL; mp = mp->mp_next) { 67157c478bd9Sstevel@tonic-gate mp_drvname_matches_node_name = 67167c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, node_name) == 0 ? TRUE : FALSE); 67177c478bd9Sstevel@tonic-gate mp_drvname_matches_minor_name = 67187c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, minor_name) == 0 ? TRUE:FALSE); 67197c478bd9Sstevel@tonic-gate mp_drvname_is_clone = 67207c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, "clone") == 0 ? TRUE : FALSE); 67217c478bd9Sstevel@tonic-gate mp_drvname_matches_drvname = 67227c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, driver) == 0 ? TRUE : FALSE); 67237c478bd9Sstevel@tonic-gate 67247c478bd9Sstevel@tonic-gate /* 67257c478bd9Sstevel@tonic-gate * If one of the following cases is true, then we try to change 67267c478bd9Sstevel@tonic-gate * the permissions if a "shell global pattern match" of 67277c478bd9Sstevel@tonic-gate * mp_>mp_minorname matches minor_name. 67287c478bd9Sstevel@tonic-gate * 67297c478bd9Sstevel@tonic-gate * 1. mp->mp_drvname matches driver. 67307c478bd9Sstevel@tonic-gate * 67317c478bd9Sstevel@tonic-gate * OR 67327c478bd9Sstevel@tonic-gate * 67337c478bd9Sstevel@tonic-gate * 2. mp->mp_drvname matches node_name and this 67347c478bd9Sstevel@tonic-gate * name is an alias of the driver name 67357c478bd9Sstevel@tonic-gate * 67367c478bd9Sstevel@tonic-gate * OR 67377c478bd9Sstevel@tonic-gate * 67387c478bd9Sstevel@tonic-gate * 3. /devices entry is the clone device and either 67397c478bd9Sstevel@tonic-gate * minor_perm entry is the clone device or matches 67407c478bd9Sstevel@tonic-gate * the minor part of the clone device. 67417c478bd9Sstevel@tonic-gate */ 67427c478bd9Sstevel@tonic-gate 67437c478bd9Sstevel@tonic-gate if ((mp_drvname_matches_drvname == TRUE)|| 67447c478bd9Sstevel@tonic-gate ((mp_drvname_matches_node_name == TRUE) && 67457c478bd9Sstevel@tonic-gate (alias(driver, node_name) == TRUE)) || 67467c478bd9Sstevel@tonic-gate ((is_clone == TRUE) && 67477c478bd9Sstevel@tonic-gate ((mp_drvname_is_clone == TRUE) || 67487c478bd9Sstevel@tonic-gate (mp_drvname_matches_minor_name == TRUE)))) { 67497c478bd9Sstevel@tonic-gate /* 67507c478bd9Sstevel@tonic-gate * Check that the minor part of the 67517c478bd9Sstevel@tonic-gate * device name from the minor_perm 67527c478bd9Sstevel@tonic-gate * entry matches and if so, set the 67537c478bd9Sstevel@tonic-gate * permissions. 67547c478bd9Sstevel@tonic-gate * 67557c478bd9Sstevel@tonic-gate * Under real devfs, clone minor name is changed 67567c478bd9Sstevel@tonic-gate * to match the driver name, but minor_perm may 67577c478bd9Sstevel@tonic-gate * not match. We reconcile it here. 67587c478bd9Sstevel@tonic-gate */ 67597c478bd9Sstevel@tonic-gate if (aminor != NULL) 67607c478bd9Sstevel@tonic-gate minor_name = aminor; 67617c478bd9Sstevel@tonic-gate 67627c478bd9Sstevel@tonic-gate if (gmatch(minor_name, mp->mp_minorname) != 0) { 67637c478bd9Sstevel@tonic-gate *uid = mp->mp_uid; 67647c478bd9Sstevel@tonic-gate *gid = mp->mp_gid; 67657c478bd9Sstevel@tonic-gate *mode = spectype | mp->mp_mode; 67667c478bd9Sstevel@tonic-gate match = TRUE; 67677c478bd9Sstevel@tonic-gate } 67687c478bd9Sstevel@tonic-gate } 67697c478bd9Sstevel@tonic-gate } 67707c478bd9Sstevel@tonic-gate 67717c478bd9Sstevel@tonic-gate if (match == TRUE) { 67727c478bd9Sstevel@tonic-gate return; 67737c478bd9Sstevel@tonic-gate } 67747c478bd9Sstevel@tonic-gate 67757c478bd9Sstevel@tonic-gate use_defaults: 67767c478bd9Sstevel@tonic-gate /* not found in minor_perm, so just use default values */ 67777c478bd9Sstevel@tonic-gate *uid = root_uid; 67787c478bd9Sstevel@tonic-gate *gid = sys_gid; 67797c478bd9Sstevel@tonic-gate *mode = (spectype | 0600); 67807c478bd9Sstevel@tonic-gate } 67817c478bd9Sstevel@tonic-gate 67827c478bd9Sstevel@tonic-gate /* 67837c478bd9Sstevel@tonic-gate * Called by devfs_read_minor_perm() to report errors 67847c478bd9Sstevel@tonic-gate * key is: 67857c478bd9Sstevel@tonic-gate * line number: ignoring line number error 67867c478bd9Sstevel@tonic-gate * errno: open/close errors 67877c478bd9Sstevel@tonic-gate * size: alloc errors 67887c478bd9Sstevel@tonic-gate */ 67897c478bd9Sstevel@tonic-gate static void 67907c478bd9Sstevel@tonic-gate minorperm_err_cb(minorperm_err_t mp_err, int key) 67917c478bd9Sstevel@tonic-gate { 67927c478bd9Sstevel@tonic-gate switch (mp_err) { 67937c478bd9Sstevel@tonic-gate case MP_FOPEN_ERR: 67947c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, MINOR_PERM_FILE, strerror(key)); 67957c478bd9Sstevel@tonic-gate break; 67967c478bd9Sstevel@tonic-gate case MP_FCLOSE_ERR: 67977c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, MINOR_PERM_FILE, strerror(key)); 67987c478bd9Sstevel@tonic-gate break; 67997c478bd9Sstevel@tonic-gate case MP_IGNORING_LINE_ERR: 68007c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, key, MINOR_PERM_FILE); 68017c478bd9Sstevel@tonic-gate break; 68027c478bd9Sstevel@tonic-gate case MP_ALLOC_ERR: 68037c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, key); 68047c478bd9Sstevel@tonic-gate break; 68057c478bd9Sstevel@tonic-gate case MP_NVLIST_ERR: 68067c478bd9Sstevel@tonic-gate err_print(NVLIST_ERROR, MINOR_PERM_FILE, strerror(key)); 68077c478bd9Sstevel@tonic-gate break; 68087c478bd9Sstevel@tonic-gate case MP_CANT_FIND_USER_ERR: 68097c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 68107c478bd9Sstevel@tonic-gate break; 68117c478bd9Sstevel@tonic-gate case MP_CANT_FIND_GROUP_ERR: 68127c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 68137c478bd9Sstevel@tonic-gate break; 68147c478bd9Sstevel@tonic-gate } 68157c478bd9Sstevel@tonic-gate } 68167c478bd9Sstevel@tonic-gate 68177c478bd9Sstevel@tonic-gate static void 68187c478bd9Sstevel@tonic-gate read_minor_perm_file(void) 68197c478bd9Sstevel@tonic-gate { 68207c478bd9Sstevel@tonic-gate static int cached = FALSE; 68217c478bd9Sstevel@tonic-gate static struct stat cached_sb; 68227c478bd9Sstevel@tonic-gate struct stat current_sb; 68237c478bd9Sstevel@tonic-gate 68247c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, ¤t_sb); 68257c478bd9Sstevel@tonic-gate 68267c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 68277c478bd9Sstevel@tonic-gate if (cached == TRUE) { 68287c478bd9Sstevel@tonic-gate 68297c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 68307c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", MINOR_PERM_FILE); 68317c478bd9Sstevel@tonic-gate return; 68327c478bd9Sstevel@tonic-gate } 68337c478bd9Sstevel@tonic-gate devfs_free_minor_perm(minor_perms); 68347c478bd9Sstevel@tonic-gate minor_perms = NULL; 68357c478bd9Sstevel@tonic-gate } else { 68367c478bd9Sstevel@tonic-gate cached = TRUE; 68377c478bd9Sstevel@tonic-gate } 68387c478bd9Sstevel@tonic-gate 68397c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, &cached_sb); 68407c478bd9Sstevel@tonic-gate 68417c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", MINOR_PERM_FILE); 68427c478bd9Sstevel@tonic-gate 68437c478bd9Sstevel@tonic-gate minor_perms = devfs_read_minor_perm(minorperm_err_cb); 68447c478bd9Sstevel@tonic-gate } 68457c478bd9Sstevel@tonic-gate 68467c478bd9Sstevel@tonic-gate static void 68477c478bd9Sstevel@tonic-gate load_minor_perm_file(void) 68487c478bd9Sstevel@tonic-gate { 68497c478bd9Sstevel@tonic-gate read_minor_perm_file(); 68507c478bd9Sstevel@tonic-gate if (devfs_load_minor_perm(minor_perms, minorperm_err_cb) != 0) 68517c478bd9Sstevel@tonic-gate err_print(gettext("minor_perm load failed\n")); 68527c478bd9Sstevel@tonic-gate } 68537c478bd9Sstevel@tonic-gate 68547c478bd9Sstevel@tonic-gate static char * 68557c478bd9Sstevel@tonic-gate convert_to_re(char *dev) 68567c478bd9Sstevel@tonic-gate { 68577c478bd9Sstevel@tonic-gate char *p, *l, *out; 68587c478bd9Sstevel@tonic-gate int i; 68597c478bd9Sstevel@tonic-gate 68607c478bd9Sstevel@tonic-gate out = s_malloc(PATH_MAX); 68617c478bd9Sstevel@tonic-gate 68627c478bd9Sstevel@tonic-gate for (l = p = dev, i = 0; (*p != '\0') && (i < (PATH_MAX - 1)); 68637c478bd9Sstevel@tonic-gate ++p, i++) { 68647c478bd9Sstevel@tonic-gate if ((*p == '*') && ((l != p) && (*l == '/'))) { 68657c478bd9Sstevel@tonic-gate out[i++] = '.'; 68667c478bd9Sstevel@tonic-gate out[i] = '+'; 68677c478bd9Sstevel@tonic-gate } else { 68687c478bd9Sstevel@tonic-gate out[i] = *p; 68697c478bd9Sstevel@tonic-gate } 68707c478bd9Sstevel@tonic-gate l = p; 68717c478bd9Sstevel@tonic-gate } 68727c478bd9Sstevel@tonic-gate out[i] = '\0'; 68737c478bd9Sstevel@tonic-gate p = (char *)s_malloc(strlen(out) + 1); 68747c478bd9Sstevel@tonic-gate (void) strlcpy(p, out, strlen(out) + 1); 68757c478bd9Sstevel@tonic-gate free(out); 68767c478bd9Sstevel@tonic-gate 68777c478bd9Sstevel@tonic-gate vprint(FILES_MID, "converted %s -> %s\n", dev, p); 68787c478bd9Sstevel@tonic-gate 68797c478bd9Sstevel@tonic-gate return (p); 68807c478bd9Sstevel@tonic-gate } 68817c478bd9Sstevel@tonic-gate 68827c478bd9Sstevel@tonic-gate static void 68837c478bd9Sstevel@tonic-gate read_logindevperm_file(void) 68847c478bd9Sstevel@tonic-gate { 68857c478bd9Sstevel@tonic-gate static int cached = FALSE; 68867c478bd9Sstevel@tonic-gate static struct stat cached_sb; 68877c478bd9Sstevel@tonic-gate struct stat current_sb; 68887c478bd9Sstevel@tonic-gate struct login_dev *ldev; 68897c478bd9Sstevel@tonic-gate FILE *fp; 68907c478bd9Sstevel@tonic-gate char line[MAX_LDEV_LINE]; 68917c478bd9Sstevel@tonic-gate int ln, perm, rv; 68927c478bd9Sstevel@tonic-gate char *cp, *console, *devlist, *dev; 68937c478bd9Sstevel@tonic-gate char *lasts, *devlasts, *permstr, *drv; 68947c478bd9Sstevel@tonic-gate struct driver_list *list, *next; 68957c478bd9Sstevel@tonic-gate 68967c478bd9Sstevel@tonic-gate /* Read logindevperm only when enabled */ 68977c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 68987c478bd9Sstevel@tonic-gate return; 68997c478bd9Sstevel@tonic-gate 69007c478bd9Sstevel@tonic-gate if (cached == TRUE) { 69017c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, ¤t_sb) == 0 && 69027c478bd9Sstevel@tonic-gate current_sb.st_mtime == cached_sb.st_mtime) { 69037c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", LDEV_FILE); 69047c478bd9Sstevel@tonic-gate return; 69057c478bd9Sstevel@tonic-gate } 69067c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", LDEV_FILE); 69077c478bd9Sstevel@tonic-gate while (login_dev_cache != NULL) { 69087c478bd9Sstevel@tonic-gate 69097c478bd9Sstevel@tonic-gate ldev = login_dev_cache; 69107c478bd9Sstevel@tonic-gate login_dev_cache = ldev->ldev_next; 69117c478bd9Sstevel@tonic-gate free(ldev->ldev_console); 69127c478bd9Sstevel@tonic-gate free(ldev->ldev_device); 69137c478bd9Sstevel@tonic-gate regfree(&ldev->ldev_device_regex); 69147c478bd9Sstevel@tonic-gate list = ldev->ldev_driver_list; 69157c478bd9Sstevel@tonic-gate while (list) { 69167c478bd9Sstevel@tonic-gate next = list->next; 69177c478bd9Sstevel@tonic-gate free(list); 69187c478bd9Sstevel@tonic-gate list = next; 69197c478bd9Sstevel@tonic-gate } 69207c478bd9Sstevel@tonic-gate free(ldev); 69217c478bd9Sstevel@tonic-gate } 69227c478bd9Sstevel@tonic-gate } else { 69237c478bd9Sstevel@tonic-gate cached = TRUE; 69247c478bd9Sstevel@tonic-gate } 69257c478bd9Sstevel@tonic-gate 69267c478bd9Sstevel@tonic-gate assert(login_dev_cache == NULL); 69277c478bd9Sstevel@tonic-gate 69287c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, &cached_sb) != 0) { 69297c478bd9Sstevel@tonic-gate cached = FALSE; 69307c478bd9Sstevel@tonic-gate return; 69317c478bd9Sstevel@tonic-gate } 69327c478bd9Sstevel@tonic-gate 69337c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading file: %s\n", LDEV_FILE); 69347c478bd9Sstevel@tonic-gate 69357c478bd9Sstevel@tonic-gate if ((fp = fopen(LDEV_FILE, "r")) == NULL) { 69367c478bd9Sstevel@tonic-gate /* Not fatal to devfsadm */ 69377c478bd9Sstevel@tonic-gate cached = FALSE; 69387c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, LDEV_FILE, strerror(errno)); 69397c478bd9Sstevel@tonic-gate return; 69407c478bd9Sstevel@tonic-gate } 69417c478bd9Sstevel@tonic-gate 69427c478bd9Sstevel@tonic-gate ln = 0; 69437c478bd9Sstevel@tonic-gate while (fgets(line, MAX_LDEV_LINE, fp) != NULL) { 69447c478bd9Sstevel@tonic-gate ln++; 69457c478bd9Sstevel@tonic-gate 69467c478bd9Sstevel@tonic-gate /* Remove comments */ 69477c478bd9Sstevel@tonic-gate if ((cp = strchr(line, '#')) != NULL) 69487c478bd9Sstevel@tonic-gate *cp = '\0'; 69497c478bd9Sstevel@tonic-gate 69507c478bd9Sstevel@tonic-gate if ((console = strtok_r(line, LDEV_DELIMS, &lasts)) == NULL) 69517c478bd9Sstevel@tonic-gate continue; /* Blank line */ 69527c478bd9Sstevel@tonic-gate 69537c478bd9Sstevel@tonic-gate if ((permstr = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 69547c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 69557c478bd9Sstevel@tonic-gate continue; /* Malformed line */ 69567c478bd9Sstevel@tonic-gate } 69577c478bd9Sstevel@tonic-gate 69587c478bd9Sstevel@tonic-gate /* 69597c478bd9Sstevel@tonic-gate * permstr is string in octal format. Convert to int 69607c478bd9Sstevel@tonic-gate */ 69617c478bd9Sstevel@tonic-gate cp = NULL; 69627c478bd9Sstevel@tonic-gate errno = 0; 69637c478bd9Sstevel@tonic-gate perm = strtol(permstr, &cp, 8); 69647c478bd9Sstevel@tonic-gate if (errno || perm < 0 || perm > 0777 || *cp != '\0') { 69657c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 69667c478bd9Sstevel@tonic-gate continue; 69677c478bd9Sstevel@tonic-gate } 69687c478bd9Sstevel@tonic-gate 69697c478bd9Sstevel@tonic-gate if ((devlist = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 69707c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 69717c478bd9Sstevel@tonic-gate continue; 69727c478bd9Sstevel@tonic-gate } 69737c478bd9Sstevel@tonic-gate 69747c478bd9Sstevel@tonic-gate dev = strtok_r(devlist, LDEV_DEV_DELIM, &devlasts); 69757c478bd9Sstevel@tonic-gate while (dev) { 69767c478bd9Sstevel@tonic-gate 69777c478bd9Sstevel@tonic-gate ldev = (struct login_dev *)s_zalloc( 69787c478bd9Sstevel@tonic-gate sizeof (struct login_dev)); 69797c478bd9Sstevel@tonic-gate ldev->ldev_console = s_strdup(console); 69807c478bd9Sstevel@tonic-gate ldev->ldev_perms = perm; 69817c478bd9Sstevel@tonic-gate 69827c478bd9Sstevel@tonic-gate /* 69837c478bd9Sstevel@tonic-gate * the logical device name may contain '*' which 69847c478bd9Sstevel@tonic-gate * we convert to a regular expression 69857c478bd9Sstevel@tonic-gate */ 69867c478bd9Sstevel@tonic-gate ldev->ldev_device = convert_to_re(dev); 69877c478bd9Sstevel@tonic-gate if (ldev->ldev_device && 69887c478bd9Sstevel@tonic-gate (rv = regcomp(&ldev->ldev_device_regex, 69897c478bd9Sstevel@tonic-gate ldev->ldev_device, REG_EXTENDED))) { 69907c478bd9Sstevel@tonic-gate bzero(&ldev->ldev_device_regex, 69917c478bd9Sstevel@tonic-gate sizeof (ldev->ldev_device_regex)); 69927c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 69937c478bd9Sstevel@tonic-gate ldev->ldev_device, rv); 69947c478bd9Sstevel@tonic-gate } 69957c478bd9Sstevel@tonic-gate ldev->ldev_next = login_dev_cache; 69967c478bd9Sstevel@tonic-gate login_dev_cache = ldev; 69977c478bd9Sstevel@tonic-gate dev = strtok_r(NULL, LDEV_DEV_DELIM, &devlasts); 69987c478bd9Sstevel@tonic-gate } 69997c478bd9Sstevel@tonic-gate 70007c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRVLIST_DELIMS, &lasts); 70017c478bd9Sstevel@tonic-gate if (drv) { 70027c478bd9Sstevel@tonic-gate if (strcmp(drv, LDEV_DRVLIST_NAME) == 0) { 70037c478bd9Sstevel@tonic-gate 70047c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRV_DELIMS, 70057c478bd9Sstevel@tonic-gate &lasts); 70067c478bd9Sstevel@tonic-gate 70077c478bd9Sstevel@tonic-gate while (drv) { 70087c478bd9Sstevel@tonic-gate vprint(FILES_MID, 70097c478bd9Sstevel@tonic-gate "logindevperm driver=%s\n", 70107c478bd9Sstevel@tonic-gate drv); 70117c478bd9Sstevel@tonic-gate 70127c478bd9Sstevel@tonic-gate /* 70137c478bd9Sstevel@tonic-gate * create a linked list of driver 70147c478bd9Sstevel@tonic-gate * names 70157c478bd9Sstevel@tonic-gate */ 70167c478bd9Sstevel@tonic-gate list = (struct driver_list *) 70177c478bd9Sstevel@tonic-gate s_zalloc( 70187c478bd9Sstevel@tonic-gate sizeof (struct driver_list)); 70197c478bd9Sstevel@tonic-gate (void) strlcpy(list->driver_name, drv, 70207c478bd9Sstevel@tonic-gate sizeof (list->driver_name)); 70217c478bd9Sstevel@tonic-gate list->next = ldev->ldev_driver_list; 70227c478bd9Sstevel@tonic-gate ldev->ldev_driver_list = list; 70237c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRV_DELIMS, 70247c478bd9Sstevel@tonic-gate &lasts); 70257c478bd9Sstevel@tonic-gate } 70267c478bd9Sstevel@tonic-gate } 70277c478bd9Sstevel@tonic-gate } 70287c478bd9Sstevel@tonic-gate } 70297c478bd9Sstevel@tonic-gate (void) fclose(fp); 70307c478bd9Sstevel@tonic-gate } 70317c478bd9Sstevel@tonic-gate 70327c478bd9Sstevel@tonic-gate /* 70337c478bd9Sstevel@tonic-gate * Tokens are separated by ' ', '\t', ':', '=', '&', '|', ';', '\n', or '\0' 70347c478bd9Sstevel@tonic-gate * 70357c478bd9Sstevel@tonic-gate * Returns DEVFSADM_SUCCESS if token found, DEVFSADM_FAILURE otherwise. 70367c478bd9Sstevel@tonic-gate */ 70377c478bd9Sstevel@tonic-gate static int 70387c478bd9Sstevel@tonic-gate getnexttoken(char *next, char **nextp, char **tokenpp, char *tchar) 70397c478bd9Sstevel@tonic-gate { 70407c478bd9Sstevel@tonic-gate char *cp; 70417c478bd9Sstevel@tonic-gate char *cp1; 70427c478bd9Sstevel@tonic-gate char *tokenp; 70437c478bd9Sstevel@tonic-gate 70447c478bd9Sstevel@tonic-gate cp = next; 70457c478bd9Sstevel@tonic-gate while (*cp == ' ' || *cp == '\t') { 70467c478bd9Sstevel@tonic-gate cp++; /* skip leading spaces */ 70477c478bd9Sstevel@tonic-gate } 70487c478bd9Sstevel@tonic-gate tokenp = cp; /* start of token */ 70497c478bd9Sstevel@tonic-gate while (*cp != '\0' && *cp != '\n' && *cp != ' ' && *cp != '\t' && 70507c478bd9Sstevel@tonic-gate *cp != ':' && *cp != '=' && *cp != '&' && 70517c478bd9Sstevel@tonic-gate *cp != '|' && *cp != ';') { 70527c478bd9Sstevel@tonic-gate cp++; /* point to next character */ 70537c478bd9Sstevel@tonic-gate } 70547c478bd9Sstevel@tonic-gate /* 70557c478bd9Sstevel@tonic-gate * If terminating character is a space or tab, look ahead to see if 70567c478bd9Sstevel@tonic-gate * there's another terminator that's not a space or a tab. 70577c478bd9Sstevel@tonic-gate * (This code handles trailing spaces.) 70587c478bd9Sstevel@tonic-gate */ 70597c478bd9Sstevel@tonic-gate if (*cp == ' ' || *cp == '\t') { 70607c478bd9Sstevel@tonic-gate cp1 = cp; 70617c478bd9Sstevel@tonic-gate while (*++cp1 == ' ' || *cp1 == '\t') 70627c478bd9Sstevel@tonic-gate ; 70637c478bd9Sstevel@tonic-gate if (*cp1 == '=' || *cp1 == ':' || *cp1 == '&' || *cp1 == '|' || 70647c478bd9Sstevel@tonic-gate *cp1 == ';' || *cp1 == '\n' || *cp1 == '\0') { 70657c478bd9Sstevel@tonic-gate *cp = NULL; /* terminate token */ 70667c478bd9Sstevel@tonic-gate cp = cp1; 70677c478bd9Sstevel@tonic-gate } 70687c478bd9Sstevel@tonic-gate } 70697c478bd9Sstevel@tonic-gate if (tchar != NULL) { 70707c478bd9Sstevel@tonic-gate *tchar = *cp; /* save terminating character */ 70717c478bd9Sstevel@tonic-gate if (*tchar == '\0') { 70727c478bd9Sstevel@tonic-gate *tchar = '\n'; 70737c478bd9Sstevel@tonic-gate } 70747c478bd9Sstevel@tonic-gate } 70757c478bd9Sstevel@tonic-gate *cp++ = '\0'; /* terminate token, point to next */ 70767c478bd9Sstevel@tonic-gate *nextp = cp; /* set pointer to next character */ 70777c478bd9Sstevel@tonic-gate if (cp - tokenp - 1 == 0) { 70787c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 70797c478bd9Sstevel@tonic-gate } 70807c478bd9Sstevel@tonic-gate *tokenpp = tokenp; 70817c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 70827c478bd9Sstevel@tonic-gate } 70837c478bd9Sstevel@tonic-gate 70847c478bd9Sstevel@tonic-gate /* 70857c478bd9Sstevel@tonic-gate * read or reread the driver aliases file 70867c478bd9Sstevel@tonic-gate */ 70877c478bd9Sstevel@tonic-gate static void 70887c478bd9Sstevel@tonic-gate read_driver_aliases_file(void) 70897c478bd9Sstevel@tonic-gate { 70907c478bd9Sstevel@tonic-gate 70917c478bd9Sstevel@tonic-gate driver_alias_t *save; 70927c478bd9Sstevel@tonic-gate driver_alias_t *lst_tail; 70937c478bd9Sstevel@tonic-gate driver_alias_t *ap; 70947c478bd9Sstevel@tonic-gate static int cached = FALSE; 70957c478bd9Sstevel@tonic-gate FILE *afd; 70967c478bd9Sstevel@tonic-gate char line[256]; 70977c478bd9Sstevel@tonic-gate char *cp; 70987c478bd9Sstevel@tonic-gate char *p; 70997c478bd9Sstevel@tonic-gate char t; 71007c478bd9Sstevel@tonic-gate int ln = 0; 71017c478bd9Sstevel@tonic-gate static struct stat cached_sb; 71027c478bd9Sstevel@tonic-gate struct stat current_sb; 71037c478bd9Sstevel@tonic-gate 71047c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, ¤t_sb); 71057c478bd9Sstevel@tonic-gate 71067c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 71077c478bd9Sstevel@tonic-gate if (cached == TRUE) { 71087c478bd9Sstevel@tonic-gate 71097c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 71107c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", ALIASFILE); 71117c478bd9Sstevel@tonic-gate return; 71127c478bd9Sstevel@tonic-gate } 71137c478bd9Sstevel@tonic-gate 71147c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", ALIASFILE); 71157c478bd9Sstevel@tonic-gate while (driver_aliases != NULL) { 71167c478bd9Sstevel@tonic-gate free(driver_aliases->alias_name); 71177c478bd9Sstevel@tonic-gate free(driver_aliases->driver_name); 71187c478bd9Sstevel@tonic-gate save = driver_aliases; 71197c478bd9Sstevel@tonic-gate driver_aliases = driver_aliases->next; 71207c478bd9Sstevel@tonic-gate free(save); 71217c478bd9Sstevel@tonic-gate } 71227c478bd9Sstevel@tonic-gate } else { 71237c478bd9Sstevel@tonic-gate cached = TRUE; 71247c478bd9Sstevel@tonic-gate } 71257c478bd9Sstevel@tonic-gate 71267c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, &cached_sb); 71277c478bd9Sstevel@tonic-gate 71287c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", ALIASFILE); 71297c478bd9Sstevel@tonic-gate 71307c478bd9Sstevel@tonic-gate if ((afd = fopen(ALIASFILE, "r")) == NULL) { 71317c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, ALIASFILE, strerror(errno)); 71327c478bd9Sstevel@tonic-gate devfsadm_exit(1); 71337c478bd9Sstevel@tonic-gate } 71347c478bd9Sstevel@tonic-gate 71351ca93273Seota while (fgets(line, sizeof (line), afd) != NULL) { 71367c478bd9Sstevel@tonic-gate ln++; 71371ca93273Seota /* cut off comments starting with '#' */ 71381ca93273Seota if ((cp = strchr(line, '#')) != NULL) 71391ca93273Seota *cp = '\0'; 71401ca93273Seota /* ignore comment or blank lines */ 71411ca93273Seota if (is_blank(line)) 71421ca93273Seota continue; 71437c478bd9Sstevel@tonic-gate cp = line; 71447c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 71457c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, ALIASFILE); 71467c478bd9Sstevel@tonic-gate continue; 71477c478bd9Sstevel@tonic-gate } 71487c478bd9Sstevel@tonic-gate if (t == '\n' || t == '\0') { 71497c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 71507c478bd9Sstevel@tonic-gate continue; 71517c478bd9Sstevel@tonic-gate } 71527c478bd9Sstevel@tonic-gate ap = (struct driver_alias *) 71537c478bd9Sstevel@tonic-gate s_zalloc(sizeof (struct driver_alias)); 71547c478bd9Sstevel@tonic-gate ap->driver_name = s_strdup(p); 71557c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 71567c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 71577c478bd9Sstevel@tonic-gate free(ap->driver_name); 71587c478bd9Sstevel@tonic-gate free(ap); 71597c478bd9Sstevel@tonic-gate continue; 71607c478bd9Sstevel@tonic-gate } 71617c478bd9Sstevel@tonic-gate if (*p == '"') { 71627c478bd9Sstevel@tonic-gate if (p[strlen(p) - 1] == '"') { 71637c478bd9Sstevel@tonic-gate p[strlen(p) - 1] = '\0'; 71647c478bd9Sstevel@tonic-gate p++; 71657c478bd9Sstevel@tonic-gate } 71667c478bd9Sstevel@tonic-gate } 71677c478bd9Sstevel@tonic-gate ap->alias_name = s_strdup(p); 71687c478bd9Sstevel@tonic-gate if (driver_aliases == NULL) { 71697c478bd9Sstevel@tonic-gate driver_aliases = ap; 71707c478bd9Sstevel@tonic-gate lst_tail = ap; 71717c478bd9Sstevel@tonic-gate } else { 71727c478bd9Sstevel@tonic-gate lst_tail->next = ap; 71737c478bd9Sstevel@tonic-gate lst_tail = ap; 71747c478bd9Sstevel@tonic-gate } 71757c478bd9Sstevel@tonic-gate } 71767c478bd9Sstevel@tonic-gate if (fclose(afd) == EOF) { 71777c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, ALIASFILE, strerror(errno)); 71787c478bd9Sstevel@tonic-gate } 71797c478bd9Sstevel@tonic-gate } 71807c478bd9Sstevel@tonic-gate 71817c478bd9Sstevel@tonic-gate /* 71827c478bd9Sstevel@tonic-gate * return TRUE if alias_name is an alias for driver_name, otherwise 71837c478bd9Sstevel@tonic-gate * return FALSE. 71847c478bd9Sstevel@tonic-gate */ 71857c478bd9Sstevel@tonic-gate static int 71867c478bd9Sstevel@tonic-gate alias(char *driver_name, char *alias_name) 71877c478bd9Sstevel@tonic-gate { 71887c478bd9Sstevel@tonic-gate driver_alias_t *alias; 71897c478bd9Sstevel@tonic-gate 71907c478bd9Sstevel@tonic-gate /* 71917c478bd9Sstevel@tonic-gate * check for a match 71927c478bd9Sstevel@tonic-gate */ 71937c478bd9Sstevel@tonic-gate for (alias = driver_aliases; alias != NULL; alias = alias->next) { 71947c478bd9Sstevel@tonic-gate if ((strcmp(alias->driver_name, driver_name) == 0) && 71957c478bd9Sstevel@tonic-gate (strcmp(alias->alias_name, alias_name) == 0)) { 71967c478bd9Sstevel@tonic-gate return (TRUE); 71977c478bd9Sstevel@tonic-gate } 71987c478bd9Sstevel@tonic-gate } 71997c478bd9Sstevel@tonic-gate return (FALSE); 72007c478bd9Sstevel@tonic-gate } 72017c478bd9Sstevel@tonic-gate 72027c478bd9Sstevel@tonic-gate /* 72037c478bd9Sstevel@tonic-gate * convenience functions 72047c478bd9Sstevel@tonic-gate */ 7205facf4a8dSllai static int 7206facf4a8dSllai s_stat(const char *path, struct stat *sbufp) 7207facf4a8dSllai { 7208facf4a8dSllai int rv; 7209facf4a8dSllai retry: 7210facf4a8dSllai if ((rv = stat(path, sbufp)) == -1) { 7211facf4a8dSllai if (errno == EINTR) 7212facf4a8dSllai goto retry; 7213facf4a8dSllai } 7214facf4a8dSllai return (rv); 7215facf4a8dSllai } 7216facf4a8dSllai 72177c478bd9Sstevel@tonic-gate static void * 72187c478bd9Sstevel@tonic-gate s_malloc(const size_t size) 72197c478bd9Sstevel@tonic-gate { 72207c478bd9Sstevel@tonic-gate void *rp; 72217c478bd9Sstevel@tonic-gate 72227c478bd9Sstevel@tonic-gate rp = malloc(size); 72237c478bd9Sstevel@tonic-gate if (rp == NULL) { 72247c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, size); 72257c478bd9Sstevel@tonic-gate devfsadm_exit(1); 72267c478bd9Sstevel@tonic-gate } 72277c478bd9Sstevel@tonic-gate return (rp); 72287c478bd9Sstevel@tonic-gate } 72297c478bd9Sstevel@tonic-gate 72307c478bd9Sstevel@tonic-gate /* 72317c478bd9Sstevel@tonic-gate * convenience functions 72327c478bd9Sstevel@tonic-gate */ 72337c478bd9Sstevel@tonic-gate static void * 72347c478bd9Sstevel@tonic-gate s_realloc(void *ptr, const size_t size) 72357c478bd9Sstevel@tonic-gate { 72367c478bd9Sstevel@tonic-gate ptr = realloc(ptr, size); 72377c478bd9Sstevel@tonic-gate if (ptr == NULL) { 72387c478bd9Sstevel@tonic-gate err_print(REALLOC_FAILED, size); 72397c478bd9Sstevel@tonic-gate devfsadm_exit(1); 72407c478bd9Sstevel@tonic-gate } 72417c478bd9Sstevel@tonic-gate return (ptr); 72427c478bd9Sstevel@tonic-gate } 72437c478bd9Sstevel@tonic-gate 72447c478bd9Sstevel@tonic-gate static void * 72457c478bd9Sstevel@tonic-gate s_zalloc(const size_t size) 72467c478bd9Sstevel@tonic-gate { 72477c478bd9Sstevel@tonic-gate void *rp; 72487c478bd9Sstevel@tonic-gate 72497c478bd9Sstevel@tonic-gate rp = calloc(1, size); 72507c478bd9Sstevel@tonic-gate if (rp == NULL) { 72517c478bd9Sstevel@tonic-gate err_print(CALLOC_FAILED, size); 72527c478bd9Sstevel@tonic-gate devfsadm_exit(1); 72537c478bd9Sstevel@tonic-gate } 72547c478bd9Sstevel@tonic-gate return (rp); 72557c478bd9Sstevel@tonic-gate } 72567c478bd9Sstevel@tonic-gate 72577c478bd9Sstevel@tonic-gate char * 72587c478bd9Sstevel@tonic-gate s_strdup(const char *ptr) 72597c478bd9Sstevel@tonic-gate { 72607c478bd9Sstevel@tonic-gate void *rp; 72617c478bd9Sstevel@tonic-gate 72627c478bd9Sstevel@tonic-gate rp = strdup(ptr); 72637c478bd9Sstevel@tonic-gate if (rp == NULL) { 72647c478bd9Sstevel@tonic-gate err_print(STRDUP_FAILED, ptr); 72657c478bd9Sstevel@tonic-gate devfsadm_exit(1); 72667c478bd9Sstevel@tonic-gate } 72677c478bd9Sstevel@tonic-gate return (rp); 72687c478bd9Sstevel@tonic-gate } 72697c478bd9Sstevel@tonic-gate 72707c478bd9Sstevel@tonic-gate static void 72717c478bd9Sstevel@tonic-gate s_closedir(DIR *dirp) 72727c478bd9Sstevel@tonic-gate { 72737c478bd9Sstevel@tonic-gate retry: 72747c478bd9Sstevel@tonic-gate if (closedir(dirp) != 0) { 72757c478bd9Sstevel@tonic-gate if (errno == EINTR) 72767c478bd9Sstevel@tonic-gate goto retry; 72777c478bd9Sstevel@tonic-gate err_print(CLOSEDIR_FAILED, strerror(errno)); 72787c478bd9Sstevel@tonic-gate } 72797c478bd9Sstevel@tonic-gate } 72807c478bd9Sstevel@tonic-gate 72817c478bd9Sstevel@tonic-gate static void 72827c478bd9Sstevel@tonic-gate s_mkdirp(const char *path, const mode_t mode) 72837c478bd9Sstevel@tonic-gate { 72847c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "mkdirp(%s, 0x%lx)\n", path, mode); 72857c478bd9Sstevel@tonic-gate if (mkdirp(path, mode) == -1) { 72867c478bd9Sstevel@tonic-gate if (errno != EEXIST) { 72877c478bd9Sstevel@tonic-gate err_print(MKDIR_FAILED, path, mode, strerror(errno)); 72887c478bd9Sstevel@tonic-gate } 72897c478bd9Sstevel@tonic-gate } 72907c478bd9Sstevel@tonic-gate } 72917c478bd9Sstevel@tonic-gate 72927c478bd9Sstevel@tonic-gate static void 72937c478bd9Sstevel@tonic-gate s_unlink(const char *file) 72947c478bd9Sstevel@tonic-gate { 72957c478bd9Sstevel@tonic-gate retry: 72967c478bd9Sstevel@tonic-gate if (unlink(file) == -1) { 72977c478bd9Sstevel@tonic-gate if (errno == EINTR || errno == EAGAIN) 72987c478bd9Sstevel@tonic-gate goto retry; 72997c478bd9Sstevel@tonic-gate if (errno != ENOENT) { 73007c478bd9Sstevel@tonic-gate err_print(UNLINK_FAILED, file, strerror(errno)); 73017c478bd9Sstevel@tonic-gate } 73027c478bd9Sstevel@tonic-gate } 73037c478bd9Sstevel@tonic-gate } 73047c478bd9Sstevel@tonic-gate 73057c478bd9Sstevel@tonic-gate static void 73067c478bd9Sstevel@tonic-gate add_verbose_id(char *mid) 73077c478bd9Sstevel@tonic-gate { 73087c478bd9Sstevel@tonic-gate num_verbose++; 73097c478bd9Sstevel@tonic-gate verbose = s_realloc(verbose, num_verbose * sizeof (char *)); 73107c478bd9Sstevel@tonic-gate verbose[num_verbose - 1] = mid; 73117c478bd9Sstevel@tonic-gate } 73127c478bd9Sstevel@tonic-gate 73137c478bd9Sstevel@tonic-gate /* 73147c478bd9Sstevel@tonic-gate * returns DEVFSADM_TRUE if contents is a minor node in /devices. 73157c478bd9Sstevel@tonic-gate * If mn_root is not NULL, mn_root is set to: 73167c478bd9Sstevel@tonic-gate * if contents is a /dev node, mn_root = contents 73177c478bd9Sstevel@tonic-gate * OR 73187c478bd9Sstevel@tonic-gate * if contents is a /devices node, mn_root set to the '/' 73197c478bd9Sstevel@tonic-gate * following /devices. 73207c478bd9Sstevel@tonic-gate */ 73217c478bd9Sstevel@tonic-gate static int 73227c478bd9Sstevel@tonic-gate is_minor_node(char *contents, char **mn_root) 73237c478bd9Sstevel@tonic-gate { 73247c478bd9Sstevel@tonic-gate char *ptr; 73257c478bd9Sstevel@tonic-gate char device_prefix[100]; 73267c478bd9Sstevel@tonic-gate 73277c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "../devices/"); 73287c478bd9Sstevel@tonic-gate 73297c478bd9Sstevel@tonic-gate if ((ptr = strstr(contents, device_prefix)) != NULL) { 73307c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 73317c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 73327c478bd9Sstevel@tonic-gate *mn_root = ptr += strlen(device_prefix) - 1; 73337c478bd9Sstevel@tonic-gate } 73347c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 73357c478bd9Sstevel@tonic-gate } 73367c478bd9Sstevel@tonic-gate 73377c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "/devices/"); 73387c478bd9Sstevel@tonic-gate 73397c478bd9Sstevel@tonic-gate if (strncmp(contents, device_prefix, strlen(device_prefix)) == 0) { 73407c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 73417c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 73427c478bd9Sstevel@tonic-gate *mn_root = contents + strlen(device_prefix) - 1; 73437c478bd9Sstevel@tonic-gate } 73447c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 73457c478bd9Sstevel@tonic-gate } 73467c478bd9Sstevel@tonic-gate 73477c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 73487c478bd9Sstevel@tonic-gate *mn_root = contents; 73497c478bd9Sstevel@tonic-gate } 73507c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 73517c478bd9Sstevel@tonic-gate } 73527c478bd9Sstevel@tonic-gate 73537c478bd9Sstevel@tonic-gate /* 73547c478bd9Sstevel@tonic-gate * Lookup nvpair corresponding to the given name and type: 73557c478bd9Sstevel@tonic-gate * 73567c478bd9Sstevel@tonic-gate * The standard nvlist_lookup functions in libnvpair don't work as our 73577c478bd9Sstevel@tonic-gate * nvlist is not allocated with NV_UNIQUE_NAME or NV_UNIQUE_NAME_TYPE. 73587c478bd9Sstevel@tonic-gate */ 73597c478bd9Sstevel@tonic-gate static nvpair_t * 73607c478bd9Sstevel@tonic-gate lookup_nvpair(nvlist_t *nvl, char *name, data_type_t type) 73617c478bd9Sstevel@tonic-gate { 73627c478bd9Sstevel@tonic-gate nvpair_t *nvp; 73637c478bd9Sstevel@tonic-gate 73647c478bd9Sstevel@tonic-gate for (nvp = nvlist_next_nvpair(nvl, NULL); nvp != NULL; 73657c478bd9Sstevel@tonic-gate nvp = nvlist_next_nvpair(nvl, nvp)) { 73667c478bd9Sstevel@tonic-gate if (strcmp(name, nvpair_name(nvp)) == 0 && 73677c478bd9Sstevel@tonic-gate nvpair_type(nvp) == type) 73687c478bd9Sstevel@tonic-gate return (nvp); 73697c478bd9Sstevel@tonic-gate } 73707c478bd9Sstevel@tonic-gate 73717c478bd9Sstevel@tonic-gate return (NULL); 73727c478bd9Sstevel@tonic-gate } 73737c478bd9Sstevel@tonic-gate 73747c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 73757c478bd9Sstevel@tonic-gate static void 73767c478bd9Sstevel@tonic-gate process_rcm_events(void *arg) 73777c478bd9Sstevel@tonic-gate { 73787c478bd9Sstevel@tonic-gate struct rcm_eventq *ev, *ev_next; 7379210db224Sericheng nvpair_t *nvp; 7380210db224Sericheng char *path, *driver; 7381210db224Sericheng int instance; 7382210db224Sericheng int err; 73837c478bd9Sstevel@tonic-gate int need_to_exit; 73847c478bd9Sstevel@tonic-gate 73857c478bd9Sstevel@tonic-gate for (;;) { 73867c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 73877c478bd9Sstevel@tonic-gate while (rcm_eventq_head == NULL && 73887c478bd9Sstevel@tonic-gate need_to_exit_rcm_event_thread == 0) 73897c478bd9Sstevel@tonic-gate (void) cond_wait(&rcm_eventq_cv, &rcm_eventq_lock); 73907c478bd9Sstevel@tonic-gate 73917c478bd9Sstevel@tonic-gate need_to_exit = need_to_exit_rcm_event_thread; 73927c478bd9Sstevel@tonic-gate ev = rcm_eventq_head; 73937c478bd9Sstevel@tonic-gate rcm_eventq_head = rcm_eventq_tail = NULL; 73947c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 73957c478bd9Sstevel@tonic-gate 73967c478bd9Sstevel@tonic-gate for (; ev != NULL; ev = ev_next) { 73977c478bd9Sstevel@tonic-gate /* 73987c478bd9Sstevel@tonic-gate * Private notification interface to RCM: 73997c478bd9Sstevel@tonic-gate * Do not retry the RCM notification on an error since 74007c478bd9Sstevel@tonic-gate * we do not know whether the failure occurred in 74017c478bd9Sstevel@tonic-gate * librcm, rcm_daemon or rcm modules or scripts. 74027c478bd9Sstevel@tonic-gate */ 7403210db224Sericheng if (librcm_notify_event(rcm_hdl, 7404210db224Sericheng RCM_RESOURCE_NETWORK_NEW, 0, ev->nvl, NULL) 7405210db224Sericheng != RCM_SUCCESS) { 7406210db224Sericheng 7407210db224Sericheng err = errno; 7408210db224Sericheng 7409210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7410210db224Sericheng RCM_NV_DEVFS_PATH, DATA_TYPE_STRING)) 7411210db224Sericheng == NULL) || 7412210db224Sericheng (nvpair_value_string(nvp, &path) != 0)) 7413210db224Sericheng path = "unknown"; 7414210db224Sericheng 7415210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7416210db224Sericheng RCM_NV_DRIVER_NAME, DATA_TYPE_STRING)) 7417210db224Sericheng == NULL) || 7418210db224Sericheng (nvpair_value_string(nvp, &driver) != 0)) 7419210db224Sericheng driver = "unknown"; 7420210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7421210db224Sericheng RCM_NV_INSTANCE, DATA_TYPE_INT32)) 7422210db224Sericheng == NULL) || 7423210db224Sericheng (nvpair_value_int32(nvp, &instance) != 0)) 7424210db224Sericheng instance = -1; 7425210db224Sericheng 7426210db224Sericheng err_print(RCM_NOTIFY_FAILED, path, driver, 7427210db224Sericheng instance, strerror(err)); 7428210db224Sericheng } 74297c478bd9Sstevel@tonic-gate 74307c478bd9Sstevel@tonic-gate ev_next = ev->next; 74317c478bd9Sstevel@tonic-gate nvlist_free(ev->nvl); 74327c478bd9Sstevel@tonic-gate free(ev); 74337c478bd9Sstevel@tonic-gate } 74347c478bd9Sstevel@tonic-gate 74357c478bd9Sstevel@tonic-gate if (need_to_exit) 74367c478bd9Sstevel@tonic-gate return; 74377c478bd9Sstevel@tonic-gate } 74387c478bd9Sstevel@tonic-gate } 74397c478bd9Sstevel@tonic-gate 74407c478bd9Sstevel@tonic-gate /* 74417c478bd9Sstevel@tonic-gate * Initialize rcm related handles and function pointers. 74427c478bd9Sstevel@tonic-gate * Since RCM need not present in miniroot, we dlopen librcm. 74437c478bd9Sstevel@tonic-gate */ 74447c478bd9Sstevel@tonic-gate static int 74457c478bd9Sstevel@tonic-gate rcm_init(void) 74467c478bd9Sstevel@tonic-gate { 74477c478bd9Sstevel@tonic-gate #define LIBRCM_PATH "/usr/lib/librcm.so" 74487c478bd9Sstevel@tonic-gate rcm_handle_t *hdl = NULL; 74497c478bd9Sstevel@tonic-gate int err; 74507c478bd9Sstevel@tonic-gate 74517c478bd9Sstevel@tonic-gate if ((librcm_hdl = dlopen(LIBRCM_PATH, RTLD_LAZY)) == NULL) { 74527c478bd9Sstevel@tonic-gate /* 74537c478bd9Sstevel@tonic-gate * don't log an error here, since librcm may not be present 74547c478bd9Sstevel@tonic-gate * in miniroot. 74557c478bd9Sstevel@tonic-gate */ 74567c478bd9Sstevel@tonic-gate return (-1); 74577c478bd9Sstevel@tonic-gate } 74587c478bd9Sstevel@tonic-gate 74597c478bd9Sstevel@tonic-gate librcm_alloc_handle = (int (*)())dlsym(librcm_hdl, "rcm_alloc_handle"); 74607c478bd9Sstevel@tonic-gate librcm_free_handle = (void (*)())dlsym(librcm_hdl, "rcm_free_handle"); 74617c478bd9Sstevel@tonic-gate librcm_notify_event = (int (*)())dlsym(librcm_hdl, "rcm_notify_event"); 74627c478bd9Sstevel@tonic-gate 74637c478bd9Sstevel@tonic-gate if (librcm_alloc_handle == NULL || librcm_notify_event == NULL || 74647c478bd9Sstevel@tonic-gate librcm_free_handle == NULL) { 74657c478bd9Sstevel@tonic-gate err_print(MISSING_SYMBOLS, LIBRCM_PATH); 74667c478bd9Sstevel@tonic-gate goto out; 74677c478bd9Sstevel@tonic-gate } 74687c478bd9Sstevel@tonic-gate 74697c478bd9Sstevel@tonic-gate /* Initialize the rcm handle */ 74707c478bd9Sstevel@tonic-gate if (librcm_alloc_handle(NULL, 0, NULL, &hdl) != RCM_SUCCESS) { 74717c478bd9Sstevel@tonic-gate err_print(RCM_ALLOC_HANDLE_ERROR); 74727c478bd9Sstevel@tonic-gate goto out; 74737c478bd9Sstevel@tonic-gate } 74747c478bd9Sstevel@tonic-gate 74757c478bd9Sstevel@tonic-gate (void) cond_init(&rcm_eventq_cv, USYNC_THREAD, 0); 74767c478bd9Sstevel@tonic-gate (void) mutex_init(&rcm_eventq_lock, USYNC_THREAD, 0); 74777c478bd9Sstevel@tonic-gate 74787c478bd9Sstevel@tonic-gate /* create a thread to notify RCM of events */ 74797c478bd9Sstevel@tonic-gate if ((err = thr_create(NULL, 0, (void *(*)(void *))process_rcm_events, 74807c478bd9Sstevel@tonic-gate NULL, 0, &process_rcm_events_tid)) != 0) { 74817c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "process_rcm_events", 74827c478bd9Sstevel@tonic-gate strerror(err)); 74837c478bd9Sstevel@tonic-gate goto out; 74847c478bd9Sstevel@tonic-gate } 74857c478bd9Sstevel@tonic-gate 74867c478bd9Sstevel@tonic-gate rcm_hdl = hdl; 74877c478bd9Sstevel@tonic-gate return (0); 74887c478bd9Sstevel@tonic-gate 74897c478bd9Sstevel@tonic-gate out: 74907c478bd9Sstevel@tonic-gate if (hdl) 74917c478bd9Sstevel@tonic-gate librcm_free_handle(hdl); 74927c478bd9Sstevel@tonic-gate (void) dlclose(librcm_hdl); 74937c478bd9Sstevel@tonic-gate return (-1); 74947c478bd9Sstevel@tonic-gate } 74957c478bd9Sstevel@tonic-gate 74967c478bd9Sstevel@tonic-gate /* 74977c478bd9Sstevel@tonic-gate * Build an nvlist using the minor data. Pack it and add the packed nvlist 74987c478bd9Sstevel@tonic-gate * as a byte array to nv_list parameter. 74997c478bd9Sstevel@tonic-gate * Return 0 on success, errno on failure. 75007c478bd9Sstevel@tonic-gate */ 75017c478bd9Sstevel@tonic-gate static int 75027c478bd9Sstevel@tonic-gate add_minor_data_to_nvl(nvlist_t *nv_list, di_minor_t minor) 75037c478bd9Sstevel@tonic-gate { 75047c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 75057c478bd9Sstevel@tonic-gate int32_t minor_type; 75067c478bd9Sstevel@tonic-gate char *minor_name, *minor_node_type; 75077c478bd9Sstevel@tonic-gate int err; 75087c478bd9Sstevel@tonic-gate char *buf = NULL; 75097c478bd9Sstevel@tonic-gate size_t buflen = 0; 75107c478bd9Sstevel@tonic-gate 75117c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, 0, 0)) != 0) 75127c478bd9Sstevel@tonic-gate return (err); 75137c478bd9Sstevel@tonic-gate 75147c478bd9Sstevel@tonic-gate minor_type = (int32_t)di_minor_type(minor); 75157c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, RCM_NV_MINOR_TYPE, minor_type)) != 0) 75167c478bd9Sstevel@tonic-gate goto error; 75177c478bd9Sstevel@tonic-gate 75187c478bd9Sstevel@tonic-gate minor_name = di_minor_name(minor); 75197c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_MINOR_NAME, minor_name)) != 0) 75207c478bd9Sstevel@tonic-gate goto error; 75217c478bd9Sstevel@tonic-gate 75227c478bd9Sstevel@tonic-gate if ((minor_node_type = di_minor_nodetype(minor)) == NULL) 75237c478bd9Sstevel@tonic-gate minor_node_type = ""; 75247c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_MINOR_NODE_TYPE, 75257c478bd9Sstevel@tonic-gate minor_node_type)) != 0) 75267c478bd9Sstevel@tonic-gate goto error; 75277c478bd9Sstevel@tonic-gate 75287c478bd9Sstevel@tonic-gate if ((err = nvlist_pack(nvl, &buf, &buflen, NV_ENCODE_NATIVE, 0)) != 0) 75297c478bd9Sstevel@tonic-gate goto error; 75307c478bd9Sstevel@tonic-gate 75317c478bd9Sstevel@tonic-gate err = nvlist_add_byte_array(nv_list, RCM_NV_MINOR_DATA, 75327c478bd9Sstevel@tonic-gate (uchar_t *)(buf), (uint_t)(buflen)); 75337c478bd9Sstevel@tonic-gate 75347c478bd9Sstevel@tonic-gate error: 75357c478bd9Sstevel@tonic-gate nvlist_free(nvl); 75367c478bd9Sstevel@tonic-gate if (buf) 75377c478bd9Sstevel@tonic-gate free(buf); 75387c478bd9Sstevel@tonic-gate return (err); 75397c478bd9Sstevel@tonic-gate } 75407c478bd9Sstevel@tonic-gate 75417c478bd9Sstevel@tonic-gate static void 75427c478bd9Sstevel@tonic-gate enqueue_rcm_event(nvlist_t *nvl) 75437c478bd9Sstevel@tonic-gate { 75447c478bd9Sstevel@tonic-gate struct rcm_eventq *ev; 75457c478bd9Sstevel@tonic-gate 75467c478bd9Sstevel@tonic-gate ev = (struct rcm_eventq *)s_zalloc(sizeof (struct rcm_eventq)); 75477c478bd9Sstevel@tonic-gate ev->nvl = nvl; 75487c478bd9Sstevel@tonic-gate 75497c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 75507c478bd9Sstevel@tonic-gate if (rcm_eventq_head == NULL) 75517c478bd9Sstevel@tonic-gate rcm_eventq_head = ev; 75527c478bd9Sstevel@tonic-gate else 75537c478bd9Sstevel@tonic-gate rcm_eventq_tail->next = ev; 75547c478bd9Sstevel@tonic-gate rcm_eventq_tail = ev; 75557c478bd9Sstevel@tonic-gate (void) cond_broadcast(&rcm_eventq_cv); 75567c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 75577c478bd9Sstevel@tonic-gate } 75587c478bd9Sstevel@tonic-gate 75597c478bd9Sstevel@tonic-gate /* 75607c478bd9Sstevel@tonic-gate * Generate an nvlist using the information given in node and minor_name. 75617c478bd9Sstevel@tonic-gate * If minor_name is NULL the nvlist will contain information on 75627c478bd9Sstevel@tonic-gate * all minor nodes. Otherwise the nvlist will contain information 75637c478bd9Sstevel@tonic-gate * only on the given minor_name. Notify RCM passing the nvlist. 75647c478bd9Sstevel@tonic-gate * 75657c478bd9Sstevel@tonic-gate * Return 0 upon successfully notifying RCM, errno on failure. 75667c478bd9Sstevel@tonic-gate */ 75677c478bd9Sstevel@tonic-gate static int 75687c478bd9Sstevel@tonic-gate notify_rcm(di_node_t node, char *minor_name) 75697c478bd9Sstevel@tonic-gate { 75707c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 75717c478bd9Sstevel@tonic-gate char *path, *driver_name; 75727c478bd9Sstevel@tonic-gate char *node_name; 75737c478bd9Sstevel@tonic-gate int err; 75747c478bd9Sstevel@tonic-gate int32_t instance; 75757c478bd9Sstevel@tonic-gate di_minor_t minor; 75767c478bd9Sstevel@tonic-gate 75777c478bd9Sstevel@tonic-gate if ((driver_name = di_driver_name(node)) == NULL) 75787c478bd9Sstevel@tonic-gate driver_name = ""; 75797c478bd9Sstevel@tonic-gate 75807c478bd9Sstevel@tonic-gate instance = (int32_t)di_instance(node); 75817c478bd9Sstevel@tonic-gate 75827c478bd9Sstevel@tonic-gate if ((path = di_devfs_path(node)) == NULL) { 75837c478bd9Sstevel@tonic-gate err = errno; 75847c478bd9Sstevel@tonic-gate goto error; 75857c478bd9Sstevel@tonic-gate } 75867c478bd9Sstevel@tonic-gate 75877c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, 0, 0)) != 0) 75887c478bd9Sstevel@tonic-gate goto error; 75897c478bd9Sstevel@tonic-gate 75907c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_DRIVER_NAME, driver_name)) 75917c478bd9Sstevel@tonic-gate != 0) 75927c478bd9Sstevel@tonic-gate goto error; 75937c478bd9Sstevel@tonic-gate 75947c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, RCM_NV_INSTANCE, instance)) != 0) 75957c478bd9Sstevel@tonic-gate goto error; 75967c478bd9Sstevel@tonic-gate 75977c478bd9Sstevel@tonic-gate if ((node_name = di_node_name(node)) == NULL) 75987c478bd9Sstevel@tonic-gate node_name = ""; 75997c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_NODE_NAME, node_name)) != 0) 76007c478bd9Sstevel@tonic-gate goto error; 76017c478bd9Sstevel@tonic-gate 76027c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_DEVFS_PATH, path)) != 0) 76037c478bd9Sstevel@tonic-gate goto error; 76047c478bd9Sstevel@tonic-gate 76057c478bd9Sstevel@tonic-gate minor = di_minor_next(node, DI_MINOR_NIL); 76067c478bd9Sstevel@tonic-gate while (minor != DI_MINOR_NIL) { 76077c478bd9Sstevel@tonic-gate if ((minor_name == NULL) || 76087c478bd9Sstevel@tonic-gate (strcmp(minor_name, di_minor_name(minor)) == 0)) { 76097c478bd9Sstevel@tonic-gate if ((err = add_minor_data_to_nvl(nvl, minor)) != 0) 76107c478bd9Sstevel@tonic-gate goto error; 76117c478bd9Sstevel@tonic-gate } 76127c478bd9Sstevel@tonic-gate minor = di_minor_next(node, minor); 76137c478bd9Sstevel@tonic-gate } 76147c478bd9Sstevel@tonic-gate 76157c478bd9Sstevel@tonic-gate enqueue_rcm_event(nvl); 76167c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 76177c478bd9Sstevel@tonic-gate return (0); 76187c478bd9Sstevel@tonic-gate 76197c478bd9Sstevel@tonic-gate error: 76207c478bd9Sstevel@tonic-gate err_print(RCM_NVLIST_BUILD_ERROR, ((path != NULL) ? path : "unknown"), 76217c478bd9Sstevel@tonic-gate driver_name, instance, strerror(err)); 76227c478bd9Sstevel@tonic-gate 76237c478bd9Sstevel@tonic-gate if (path) 76247c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 76257c478bd9Sstevel@tonic-gate if (nvl) 76267c478bd9Sstevel@tonic-gate nvlist_free(nvl); 76277c478bd9Sstevel@tonic-gate return (err); 76287c478bd9Sstevel@tonic-gate } 76297c478bd9Sstevel@tonic-gate 76307c478bd9Sstevel@tonic-gate /* 76317c478bd9Sstevel@tonic-gate * Add the specified property to nvl. 76327c478bd9Sstevel@tonic-gate * Returns: 76337c478bd9Sstevel@tonic-gate * 0 successfully added 76347c478bd9Sstevel@tonic-gate * -1 an error occurred 76357c478bd9Sstevel@tonic-gate * 1 could not add the property for reasons not due to errors. 76367c478bd9Sstevel@tonic-gate */ 76377c478bd9Sstevel@tonic-gate static int 76387c478bd9Sstevel@tonic-gate add_property(nvlist_t *nvl, di_prop_t prop) 76397c478bd9Sstevel@tonic-gate { 76407c478bd9Sstevel@tonic-gate char *name; 76417c478bd9Sstevel@tonic-gate char *attr_name; 76427c478bd9Sstevel@tonic-gate int n, len; 76437c478bd9Sstevel@tonic-gate int32_t *int32p; 76447c478bd9Sstevel@tonic-gate int64_t *int64p; 76457c478bd9Sstevel@tonic-gate char *str; 76467c478bd9Sstevel@tonic-gate char **strarray; 76477c478bd9Sstevel@tonic-gate uchar_t *bytep; 76487c478bd9Sstevel@tonic-gate int rv = 0; 76497c478bd9Sstevel@tonic-gate int i; 76507c478bd9Sstevel@tonic-gate 76517c478bd9Sstevel@tonic-gate if ((name = di_prop_name(prop)) == NULL) 76527c478bd9Sstevel@tonic-gate return (-1); 76537c478bd9Sstevel@tonic-gate 76547c478bd9Sstevel@tonic-gate len = sizeof (DEV_PROP_PREFIX) + strlen(name); 76557c478bd9Sstevel@tonic-gate if ((attr_name = malloc(len)) == NULL) 76567c478bd9Sstevel@tonic-gate return (-1); 76577c478bd9Sstevel@tonic-gate 76587c478bd9Sstevel@tonic-gate (void) strlcpy(attr_name, DEV_PROP_PREFIX, len); 76597c478bd9Sstevel@tonic-gate (void) strlcat(attr_name, name, len); 76607c478bd9Sstevel@tonic-gate 76617c478bd9Sstevel@tonic-gate switch (di_prop_type(prop)) { 76627c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BOOLEAN: 76637c478bd9Sstevel@tonic-gate if (nvlist_add_boolean(nvl, attr_name) != 0) 76647c478bd9Sstevel@tonic-gate goto out; 76657c478bd9Sstevel@tonic-gate break; 76667c478bd9Sstevel@tonic-gate 76677c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT: 76687c478bd9Sstevel@tonic-gate if ((n = di_prop_ints(prop, &int32p)) < 1) 76697c478bd9Sstevel@tonic-gate goto out; 76707c478bd9Sstevel@tonic-gate 76717c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int32_t))) { 76727c478bd9Sstevel@tonic-gate if (nvlist_add_int32_array(nvl, attr_name, int32p, 76737c478bd9Sstevel@tonic-gate n) != 0) 76747c478bd9Sstevel@tonic-gate goto out; 76757c478bd9Sstevel@tonic-gate } else 76767c478bd9Sstevel@tonic-gate rv = 1; 76777c478bd9Sstevel@tonic-gate break; 76787c478bd9Sstevel@tonic-gate 76797c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT64: 76807c478bd9Sstevel@tonic-gate if ((n = di_prop_int64(prop, &int64p)) < 1) 76817c478bd9Sstevel@tonic-gate goto out; 76827c478bd9Sstevel@tonic-gate 76837c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int64_t))) { 76847c478bd9Sstevel@tonic-gate if (nvlist_add_int64_array(nvl, attr_name, int64p, 76857c478bd9Sstevel@tonic-gate n) != 0) 76867c478bd9Sstevel@tonic-gate goto out; 76877c478bd9Sstevel@tonic-gate } else 76887c478bd9Sstevel@tonic-gate rv = 1; 76897c478bd9Sstevel@tonic-gate break; 76907c478bd9Sstevel@tonic-gate 76917c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BYTE: 76927c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_UNKNOWN: 76937c478bd9Sstevel@tonic-gate if ((n = di_prop_bytes(prop, &bytep)) < 1) 76947c478bd9Sstevel@tonic-gate goto out; 76957c478bd9Sstevel@tonic-gate 76967c478bd9Sstevel@tonic-gate if (n <= PROP_LEN_LIMIT) { 76977c478bd9Sstevel@tonic-gate if (nvlist_add_byte_array(nvl, attr_name, bytep, n) 76987c478bd9Sstevel@tonic-gate != 0) 76997c478bd9Sstevel@tonic-gate goto out; 77007c478bd9Sstevel@tonic-gate } else 77017c478bd9Sstevel@tonic-gate rv = 1; 77027c478bd9Sstevel@tonic-gate break; 77037c478bd9Sstevel@tonic-gate 77047c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_STRING: 77057c478bd9Sstevel@tonic-gate if ((n = di_prop_strings(prop, &str)) < 1) 77067c478bd9Sstevel@tonic-gate goto out; 77077c478bd9Sstevel@tonic-gate 77087c478bd9Sstevel@tonic-gate if ((strarray = malloc(n * sizeof (char *))) == NULL) 77097c478bd9Sstevel@tonic-gate goto out; 77107c478bd9Sstevel@tonic-gate 77117c478bd9Sstevel@tonic-gate len = 0; 77127c478bd9Sstevel@tonic-gate for (i = 0; i < n; i++) { 77137c478bd9Sstevel@tonic-gate strarray[i] = str + len; 77147c478bd9Sstevel@tonic-gate len += strlen(strarray[i]) + 1; 77157c478bd9Sstevel@tonic-gate } 77167c478bd9Sstevel@tonic-gate 77177c478bd9Sstevel@tonic-gate if (len <= PROP_LEN_LIMIT) { 77187c478bd9Sstevel@tonic-gate if (nvlist_add_string_array(nvl, attr_name, strarray, 77197c478bd9Sstevel@tonic-gate n) != 0) { 77207c478bd9Sstevel@tonic-gate free(strarray); 77217c478bd9Sstevel@tonic-gate goto out; 77227c478bd9Sstevel@tonic-gate } 77237c478bd9Sstevel@tonic-gate } else 77247c478bd9Sstevel@tonic-gate rv = 1; 77257c478bd9Sstevel@tonic-gate free(strarray); 77267c478bd9Sstevel@tonic-gate break; 77277c478bd9Sstevel@tonic-gate 77287c478bd9Sstevel@tonic-gate default: 77297c478bd9Sstevel@tonic-gate rv = 1; 77307c478bd9Sstevel@tonic-gate break; 77317c478bd9Sstevel@tonic-gate } 77327c478bd9Sstevel@tonic-gate 77337c478bd9Sstevel@tonic-gate free(attr_name); 77347c478bd9Sstevel@tonic-gate return (rv); 77357c478bd9Sstevel@tonic-gate 77367c478bd9Sstevel@tonic-gate out: 77377c478bd9Sstevel@tonic-gate free(attr_name); 77387c478bd9Sstevel@tonic-gate return (-1); 77397c478bd9Sstevel@tonic-gate } 77407c478bd9Sstevel@tonic-gate 77417c478bd9Sstevel@tonic-gate static void 77427c478bd9Sstevel@tonic-gate free_dev_names(struct devlink_cb_arg *x) 77437c478bd9Sstevel@tonic-gate { 77447c478bd9Sstevel@tonic-gate int i; 77457c478bd9Sstevel@tonic-gate 77467c478bd9Sstevel@tonic-gate for (i = 0; i < x->count; i++) { 77477c478bd9Sstevel@tonic-gate free(x->dev_names[i]); 77487c478bd9Sstevel@tonic-gate free(x->link_contents[i]); 77497c478bd9Sstevel@tonic-gate } 77507c478bd9Sstevel@tonic-gate } 77517c478bd9Sstevel@tonic-gate 77527c478bd9Sstevel@tonic-gate /* callback function for di_devlink_cache_walk */ 77537c478bd9Sstevel@tonic-gate static int 77547c478bd9Sstevel@tonic-gate devlink_cb(di_devlink_t dl, void *arg) 77557c478bd9Sstevel@tonic-gate { 77567c478bd9Sstevel@tonic-gate struct devlink_cb_arg *x = (struct devlink_cb_arg *)arg; 77577c478bd9Sstevel@tonic-gate const char *path; 77587c478bd9Sstevel@tonic-gate const char *content; 77597c478bd9Sstevel@tonic-gate 77607c478bd9Sstevel@tonic-gate if ((path = di_devlink_path(dl)) == NULL || 77617c478bd9Sstevel@tonic-gate (content = di_devlink_content(dl)) == NULL || 776212d8cf2aSjg (x->dev_names[x->count] = s_strdup(path)) == NULL) 77637c478bd9Sstevel@tonic-gate goto out; 77647c478bd9Sstevel@tonic-gate 776512d8cf2aSjg if ((x->link_contents[x->count] = s_strdup(content)) == NULL) { 77667c478bd9Sstevel@tonic-gate free(x->dev_names[x->count]); 77677c478bd9Sstevel@tonic-gate goto out; 77687c478bd9Sstevel@tonic-gate } 77697c478bd9Sstevel@tonic-gate 77707c478bd9Sstevel@tonic-gate x->count++; 77717c478bd9Sstevel@tonic-gate if (x->count >= MAX_DEV_NAME_COUNT) 77727c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 77737c478bd9Sstevel@tonic-gate 77747c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 77757c478bd9Sstevel@tonic-gate 77767c478bd9Sstevel@tonic-gate out: 77777c478bd9Sstevel@tonic-gate x->rv = -1; 77787c478bd9Sstevel@tonic-gate free_dev_names(x); 77797c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 77807c478bd9Sstevel@tonic-gate } 77817c478bd9Sstevel@tonic-gate 77827c478bd9Sstevel@tonic-gate /* 77837c478bd9Sstevel@tonic-gate * Lookup dev name corresponding to the phys_path. 77847c478bd9Sstevel@tonic-gate * phys_path is path to a node or minor node. 77857c478bd9Sstevel@tonic-gate * Returns: 77867c478bd9Sstevel@tonic-gate * 0 with *dev_name set to the dev name 77877c478bd9Sstevel@tonic-gate * Lookup succeeded and dev_name found 77887c478bd9Sstevel@tonic-gate * 0 with *dev_name set to NULL 77897c478bd9Sstevel@tonic-gate * Lookup encountered no errors but dev name not found 77907c478bd9Sstevel@tonic-gate * -1 77917c478bd9Sstevel@tonic-gate * Lookup failed 77927c478bd9Sstevel@tonic-gate */ 77937c478bd9Sstevel@tonic-gate static int 77947c478bd9Sstevel@tonic-gate lookup_dev_name(char *phys_path, char **dev_name) 77957c478bd9Sstevel@tonic-gate { 77967c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 77977c478bd9Sstevel@tonic-gate 77987c478bd9Sstevel@tonic-gate *dev_name = NULL; 77997c478bd9Sstevel@tonic-gate 78007c478bd9Sstevel@tonic-gate cb_arg.count = 0; 78017c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 78027c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, phys_path, 78037c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 78047c478bd9Sstevel@tonic-gate 78057c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1) 78067c478bd9Sstevel@tonic-gate return (-1); 78077c478bd9Sstevel@tonic-gate 78087c478bd9Sstevel@tonic-gate if (cb_arg.count > 0) { 780912d8cf2aSjg *dev_name = s_strdup(cb_arg.dev_names[0]); 78107c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 78117c478bd9Sstevel@tonic-gate if (*dev_name == NULL) 78127c478bd9Sstevel@tonic-gate return (-1); 78137c478bd9Sstevel@tonic-gate } 78147c478bd9Sstevel@tonic-gate 78157c478bd9Sstevel@tonic-gate return (0); 78167c478bd9Sstevel@tonic-gate } 78177c478bd9Sstevel@tonic-gate 78187c478bd9Sstevel@tonic-gate static char * 78197c478bd9Sstevel@tonic-gate lookup_disk_dev_name(char *node_path) 78207c478bd9Sstevel@tonic-gate { 78217c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 78227c478bd9Sstevel@tonic-gate char *dev_name = NULL; 78237c478bd9Sstevel@tonic-gate int i; 78247c478bd9Sstevel@tonic-gate char *p; 78257c478bd9Sstevel@tonic-gate int len1, len2; 78267c478bd9Sstevel@tonic-gate 78277c478bd9Sstevel@tonic-gate #define DEV_RDSK "/dev/rdsk/" 78287c478bd9Sstevel@tonic-gate #define DISK_RAW_MINOR ",raw" 78297c478bd9Sstevel@tonic-gate 78307c478bd9Sstevel@tonic-gate cb_arg.count = 0; 78317c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 78327c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 78337c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 78347c478bd9Sstevel@tonic-gate 78357c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1 || cb_arg.count == 0) 78367c478bd9Sstevel@tonic-gate return (NULL); 78377c478bd9Sstevel@tonic-gate 78387c478bd9Sstevel@tonic-gate /* first try lookup based on /dev/rdsk name */ 78397c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 78407c478bd9Sstevel@tonic-gate if (strncmp(cb_arg.dev_names[i], DEV_RDSK, 78417c478bd9Sstevel@tonic-gate sizeof (DEV_RDSK) - 1) == 0) { 784212d8cf2aSjg dev_name = s_strdup(cb_arg.dev_names[i]); 78437c478bd9Sstevel@tonic-gate break; 78447c478bd9Sstevel@tonic-gate } 78457c478bd9Sstevel@tonic-gate } 78467c478bd9Sstevel@tonic-gate 78477c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 78487c478bd9Sstevel@tonic-gate /* now try lookup based on a minor name ending with ",raw" */ 78497c478bd9Sstevel@tonic-gate len1 = sizeof (DISK_RAW_MINOR) - 1; 78507c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 78517c478bd9Sstevel@tonic-gate len2 = strlen(cb_arg.link_contents[i]); 78527c478bd9Sstevel@tonic-gate if (len2 >= len1 && 78537c478bd9Sstevel@tonic-gate strcmp(cb_arg.link_contents[i] + len2 - len1, 78547c478bd9Sstevel@tonic-gate DISK_RAW_MINOR) == 0) { 785512d8cf2aSjg dev_name = s_strdup(cb_arg.dev_names[i]); 78567c478bd9Sstevel@tonic-gate break; 78577c478bd9Sstevel@tonic-gate } 78587c478bd9Sstevel@tonic-gate } 78597c478bd9Sstevel@tonic-gate } 78607c478bd9Sstevel@tonic-gate 78617c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 78627c478bd9Sstevel@tonic-gate 786312d8cf2aSjg if (dev_name == NULL) 786412d8cf2aSjg return (NULL); 78657c478bd9Sstevel@tonic-gate if (strlen(dev_name) == 0) { 78667c478bd9Sstevel@tonic-gate free(dev_name); 78677c478bd9Sstevel@tonic-gate return (NULL); 78687c478bd9Sstevel@tonic-gate } 78697c478bd9Sstevel@tonic-gate 78707c478bd9Sstevel@tonic-gate /* if the name contains slice or partition number strip it */ 78717c478bd9Sstevel@tonic-gate p = dev_name + strlen(dev_name) - 1; 78727c478bd9Sstevel@tonic-gate if (isdigit(*p)) { 78737c478bd9Sstevel@tonic-gate while (p != dev_name && isdigit(*p)) 78747c478bd9Sstevel@tonic-gate p--; 78757c478bd9Sstevel@tonic-gate if (*p == 's' || *p == 'p') 78767c478bd9Sstevel@tonic-gate *p = '\0'; 78777c478bd9Sstevel@tonic-gate } 78787c478bd9Sstevel@tonic-gate 78797c478bd9Sstevel@tonic-gate return (dev_name); 78807c478bd9Sstevel@tonic-gate } 78817c478bd9Sstevel@tonic-gate 78827c478bd9Sstevel@tonic-gate static char * 78837c478bd9Sstevel@tonic-gate lookup_network_dev_name(char *node_path, char *driver_name) 78847c478bd9Sstevel@tonic-gate { 78857c478bd9Sstevel@tonic-gate char *dev_name = NULL; 78867c478bd9Sstevel@tonic-gate char phys_path[MAXPATHLEN]; 78877c478bd9Sstevel@tonic-gate 78887c478bd9Sstevel@tonic-gate if (lookup_dev_name(node_path, &dev_name) == -1) 78897c478bd9Sstevel@tonic-gate return (NULL); 78907c478bd9Sstevel@tonic-gate 78917c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 78927c478bd9Sstevel@tonic-gate /* dlpi style-2 only interface */ 78937c478bd9Sstevel@tonic-gate (void) snprintf(phys_path, sizeof (phys_path), 78947c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", driver_name); 78957c478bd9Sstevel@tonic-gate if (lookup_dev_name(phys_path, &dev_name) == -1 || 78967c478bd9Sstevel@tonic-gate dev_name == NULL) 78977c478bd9Sstevel@tonic-gate return (NULL); 78987c478bd9Sstevel@tonic-gate } 78997c478bd9Sstevel@tonic-gate 79007c478bd9Sstevel@tonic-gate return (dev_name); 79017c478bd9Sstevel@tonic-gate } 79027c478bd9Sstevel@tonic-gate 7903db11e6feSjacobs static char * 7904db11e6feSjacobs lookup_printer_dev_name(char *node_path) 7905db11e6feSjacobs { 7906db11e6feSjacobs struct devlink_cb_arg cb_arg; 7907db11e6feSjacobs char *dev_name = NULL; 7908db11e6feSjacobs int i; 7909db11e6feSjacobs 7910db11e6feSjacobs #define DEV_PRINTERS "/dev/printers/" 7911db11e6feSjacobs 7912db11e6feSjacobs cb_arg.count = 0; 7913db11e6feSjacobs cb_arg.rv = 0; 7914db11e6feSjacobs (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 7915db11e6feSjacobs DI_PRIMARY_LINK, &cb_arg, devlink_cb); 7916db11e6feSjacobs 7917db11e6feSjacobs if (cb_arg.rv == -1 || cb_arg.count == 0) 7918db11e6feSjacobs return (NULL); 7919db11e6feSjacobs 7920db11e6feSjacobs /* first try lookup based on /dev/printers name */ 7921db11e6feSjacobs for (i = 0; i < cb_arg.count; i++) { 7922db11e6feSjacobs if (strncmp(cb_arg.dev_names[i], DEV_PRINTERS, 7923db11e6feSjacobs sizeof (DEV_PRINTERS) - 1) == 0) { 7924db11e6feSjacobs dev_name = s_strdup(cb_arg.dev_names[i]); 7925db11e6feSjacobs break; 7926db11e6feSjacobs } 7927db11e6feSjacobs } 7928db11e6feSjacobs 7929db11e6feSjacobs /* fallback to the first name */ 7930db11e6feSjacobs if ((dev_name == NULL) && (cb_arg.count > 0)) 7931db11e6feSjacobs dev_name = s_strdup(cb_arg.dev_names[0]); 7932db11e6feSjacobs 7933db11e6feSjacobs free_dev_names(&cb_arg); 7934db11e6feSjacobs 7935db11e6feSjacobs return (dev_name); 7936db11e6feSjacobs } 7937db11e6feSjacobs 79387c478bd9Sstevel@tonic-gate /* 79397c478bd9Sstevel@tonic-gate * Build an nvlist containing all attributes for devfs events. 79407c478bd9Sstevel@tonic-gate * Returns nvlist pointer on success, NULL on failure. 79417c478bd9Sstevel@tonic-gate */ 79427c478bd9Sstevel@tonic-gate static nvlist_t * 79437c478bd9Sstevel@tonic-gate build_event_attributes(char *class, char *subclass, char *node_path, 79447c478bd9Sstevel@tonic-gate di_node_t node, char *driver_name, int instance) 79457c478bd9Sstevel@tonic-gate { 79467c478bd9Sstevel@tonic-gate nvlist_t *nvl; 79477c478bd9Sstevel@tonic-gate int err = 0; 79487c478bd9Sstevel@tonic-gate di_prop_t prop; 79497c478bd9Sstevel@tonic-gate int count; 79507c478bd9Sstevel@tonic-gate char *prop_name; 79517c478bd9Sstevel@tonic-gate int x; 79527c478bd9Sstevel@tonic-gate char *dev_name = NULL; 79537c478bd9Sstevel@tonic-gate int dev_name_lookup_err = 0; 79547c478bd9Sstevel@tonic-gate 79557c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, NV_UNIQUE_NAME_TYPE, 0)) != 0) { 79567c478bd9Sstevel@tonic-gate nvl = NULL; 79577c478bd9Sstevel@tonic-gate goto out; 79587c478bd9Sstevel@tonic-gate } 79597c478bd9Sstevel@tonic-gate 79607c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, EV_VERSION, EV_V1)) != 0) 79617c478bd9Sstevel@tonic-gate goto out; 79627c478bd9Sstevel@tonic-gate 79637c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_PHYS_PATH, node_path)) != 0) 79647c478bd9Sstevel@tonic-gate goto out; 79657c478bd9Sstevel@tonic-gate 79667c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) != 0 && 79677c478bd9Sstevel@tonic-gate strcmp(class, EC_DEV_REMOVE) != 0) 79687c478bd9Sstevel@tonic-gate return (nvl); 79697c478bd9Sstevel@tonic-gate 79707c478bd9Sstevel@tonic-gate if (driver_name == NULL || instance == -1) 79717c478bd9Sstevel@tonic-gate goto out; 79727c478bd9Sstevel@tonic-gate 79737c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DISK) == 0) { 79747c478bd9Sstevel@tonic-gate if ((dev_name = lookup_disk_dev_name(node_path)) == NULL) { 79757c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 79767c478bd9Sstevel@tonic-gate goto out; 79777c478bd9Sstevel@tonic-gate } 79787c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_NETWORK) == 0) { 79797c478bd9Sstevel@tonic-gate if ((dev_name = lookup_network_dev_name(node_path, driver_name)) 79807c478bd9Sstevel@tonic-gate == NULL) { 79817c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 79827c478bd9Sstevel@tonic-gate goto out; 79837c478bd9Sstevel@tonic-gate } 7984db11e6feSjacobs } else if (strcmp(subclass, ESC_PRINTER) == 0) { 7985db11e6feSjacobs if ((dev_name = lookup_printer_dev_name(node_path)) == NULL) { 7986db11e6feSjacobs dev_name_lookup_err = 1; 7987db11e6feSjacobs goto out; 7988db11e6feSjacobs } 79897c478bd9Sstevel@tonic-gate } 79907c478bd9Sstevel@tonic-gate 79917c478bd9Sstevel@tonic-gate if (dev_name) { 79927c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_NAME, dev_name)) != 0) 79937c478bd9Sstevel@tonic-gate goto out; 79947c478bd9Sstevel@tonic-gate free(dev_name); 79957c478bd9Sstevel@tonic-gate dev_name = NULL; 79967c478bd9Sstevel@tonic-gate } 79977c478bd9Sstevel@tonic-gate 79987c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_DRIVER_NAME, driver_name)) != 0) 79997c478bd9Sstevel@tonic-gate goto out; 80007c478bd9Sstevel@tonic-gate 80017c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, DEV_INSTANCE, instance)) != 0) 80027c478bd9Sstevel@tonic-gate goto out; 80037c478bd9Sstevel@tonic-gate 80047c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) == 0) { 80057c478bd9Sstevel@tonic-gate /* add properties */ 80067c478bd9Sstevel@tonic-gate count = 0; 80077c478bd9Sstevel@tonic-gate for (prop = di_prop_next(node, DI_PROP_NIL); 80087c478bd9Sstevel@tonic-gate prop != DI_PROP_NIL && count < MAX_PROP_COUNT; 80097c478bd9Sstevel@tonic-gate prop = di_prop_next(node, prop)) { 80107c478bd9Sstevel@tonic-gate 80117c478bd9Sstevel@tonic-gate if (di_prop_devt(prop) != DDI_DEV_T_NONE) 80127c478bd9Sstevel@tonic-gate continue; 80137c478bd9Sstevel@tonic-gate 80147c478bd9Sstevel@tonic-gate if ((x = add_property(nvl, prop)) == 0) 80157c478bd9Sstevel@tonic-gate count++; 80167c478bd9Sstevel@tonic-gate else if (x == -1) { 80177c478bd9Sstevel@tonic-gate if ((prop_name = di_prop_name(prop)) == NULL) 80187c478bd9Sstevel@tonic-gate prop_name = ""; 80197c478bd9Sstevel@tonic-gate err_print(PROP_ADD_FAILED, prop_name); 80207c478bd9Sstevel@tonic-gate goto out; 80217c478bd9Sstevel@tonic-gate } 80227c478bd9Sstevel@tonic-gate } 80237c478bd9Sstevel@tonic-gate } 80247c478bd9Sstevel@tonic-gate 80257c478bd9Sstevel@tonic-gate return (nvl); 80267c478bd9Sstevel@tonic-gate 80277c478bd9Sstevel@tonic-gate out: 80287c478bd9Sstevel@tonic-gate if (nvl) 80297c478bd9Sstevel@tonic-gate nvlist_free(nvl); 80307c478bd9Sstevel@tonic-gate 80317c478bd9Sstevel@tonic-gate if (dev_name) 80327c478bd9Sstevel@tonic-gate free(dev_name); 80337c478bd9Sstevel@tonic-gate 80347c478bd9Sstevel@tonic-gate if (dev_name_lookup_err) 80357c478bd9Sstevel@tonic-gate err_print(DEV_NAME_LOOKUP_FAILED, node_path); 80367c478bd9Sstevel@tonic-gate else 80377c478bd9Sstevel@tonic-gate err_print(BUILD_EVENT_ATTR_FAILED, (err) ? strerror(err) : ""); 80387c478bd9Sstevel@tonic-gate return (NULL); 80397c478bd9Sstevel@tonic-gate } 80407c478bd9Sstevel@tonic-gate 80417c478bd9Sstevel@tonic-gate static void 80427c478bd9Sstevel@tonic-gate log_event(char *class, char *subclass, nvlist_t *nvl) 80437c478bd9Sstevel@tonic-gate { 80447c478bd9Sstevel@tonic-gate sysevent_id_t eid; 80457c478bd9Sstevel@tonic-gate 80467c478bd9Sstevel@tonic-gate if (sysevent_post_event(class, subclass, "SUNW", DEVFSADMD, 80477c478bd9Sstevel@tonic-gate nvl, &eid) != 0) { 80487c478bd9Sstevel@tonic-gate err_print(LOG_EVENT_FAILED, strerror(errno)); 80497c478bd9Sstevel@tonic-gate } 80507c478bd9Sstevel@tonic-gate } 80517c478bd9Sstevel@tonic-gate 80527c478bd9Sstevel@tonic-gate static void 80537c478bd9Sstevel@tonic-gate build_and_log_event(char *class, char *subclass, char *node_path, 80547c478bd9Sstevel@tonic-gate di_node_t node) 80557c478bd9Sstevel@tonic-gate { 80567c478bd9Sstevel@tonic-gate nvlist_t *nvl; 80577c478bd9Sstevel@tonic-gate 80587c478bd9Sstevel@tonic-gate if (node != DI_NODE_NIL) 80597c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 80607c478bd9Sstevel@tonic-gate di_driver_name(node), di_instance(node)); 80617c478bd9Sstevel@tonic-gate else 80627c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 80637c478bd9Sstevel@tonic-gate NULL, -1); 80647c478bd9Sstevel@tonic-gate 80657c478bd9Sstevel@tonic-gate if (nvl) { 80667c478bd9Sstevel@tonic-gate log_event(class, subclass, nvl); 80677c478bd9Sstevel@tonic-gate nvlist_free(nvl); 80687c478bd9Sstevel@tonic-gate } 80697c478bd9Sstevel@tonic-gate } 8070facf4a8dSllai 80711ca93273Seota /* 80721ca93273Seota * is_blank() returns 1 (true) if a line specified is composed of 80731ca93273Seota * whitespace characters only. otherwise, it returns 0 (false). 80741ca93273Seota * 80751ca93273Seota * Note. the argument (line) must be null-terminated. 80761ca93273Seota */ 80771ca93273Seota static int 80781ca93273Seota is_blank(char *line) 80791ca93273Seota { 80801ca93273Seota for (/* nothing */; *line != '\0'; line++) 80811ca93273Seota if (!isspace(*line)) 80821ca93273Seota return (0); 80831ca93273Seota return (1); 80841ca93273Seota } 80851ca93273Seota 8086aa646b9dSvikram /* 8087aa646b9dSvikram * Functions to deal with the no-further-processing hash 8088aa646b9dSvikram */ 8089aa646b9dSvikram 8090aa646b9dSvikram static void 8091aa646b9dSvikram nfphash_create(void) 8092aa646b9dSvikram { 8093aa646b9dSvikram assert(nfp_hash == NULL); 8094aa646b9dSvikram nfp_hash = s_zalloc(NFP_HASH_SZ * sizeof (item_t *)); 8095aa646b9dSvikram } 8096aa646b9dSvikram 8097aa646b9dSvikram static int 8098aa646b9dSvikram nfphash_fcn(char *key) 8099aa646b9dSvikram { 8100aa646b9dSvikram int i; 8101aa646b9dSvikram uint64_t sum = 0; 8102aa646b9dSvikram 8103aa646b9dSvikram for (i = 0; key[i] != '\0'; i++) { 8104aa646b9dSvikram sum += (uchar_t)key[i]; 8105aa646b9dSvikram } 8106aa646b9dSvikram 8107aa646b9dSvikram return (sum % NFP_HASH_SZ); 8108aa646b9dSvikram } 8109aa646b9dSvikram 8110aa646b9dSvikram static item_t * 8111aa646b9dSvikram nfphash_lookup(char *key) 8112aa646b9dSvikram { 8113aa646b9dSvikram int index; 8114aa646b9dSvikram item_t *ip; 8115aa646b9dSvikram 8116aa646b9dSvikram index = nfphash_fcn(key); 8117aa646b9dSvikram 8118aa646b9dSvikram assert(index >= 0); 8119aa646b9dSvikram 8120aa646b9dSvikram for (ip = nfp_hash[index]; ip; ip = ip->i_next) { 8121aa646b9dSvikram if (strcmp(ip->i_key, key) == 0) 8122aa646b9dSvikram return (ip); 8123aa646b9dSvikram } 8124aa646b9dSvikram 8125aa646b9dSvikram return (NULL); 8126aa646b9dSvikram } 8127aa646b9dSvikram 8128aa646b9dSvikram static void 8129aa646b9dSvikram nfphash_insert(char *key) 8130aa646b9dSvikram { 8131aa646b9dSvikram item_t *ip; 8132aa646b9dSvikram int index; 8133aa646b9dSvikram 8134aa646b9dSvikram index = nfphash_fcn(key); 8135aa646b9dSvikram 8136aa646b9dSvikram assert(index >= 0); 8137aa646b9dSvikram 8138aa646b9dSvikram ip = s_zalloc(sizeof (item_t)); 8139aa646b9dSvikram ip->i_key = s_strdup(key); 8140aa646b9dSvikram 8141aa646b9dSvikram ip->i_next = nfp_hash[index]; 8142aa646b9dSvikram nfp_hash[index] = ip; 8143aa646b9dSvikram } 8144aa646b9dSvikram 8145aa646b9dSvikram static void 8146aa646b9dSvikram nfphash_destroy(void) 8147aa646b9dSvikram { 8148aa646b9dSvikram int i; 8149aa646b9dSvikram item_t *ip; 8150aa646b9dSvikram 8151aa646b9dSvikram for (i = 0; i < NFP_HASH_SZ; i++) { 8152aa646b9dSvikram /*LINTED*/ 8153aa646b9dSvikram while (ip = nfp_hash[i]) { 8154aa646b9dSvikram nfp_hash[i] = ip->i_next; 8155aa646b9dSvikram free(ip->i_key); 8156aa646b9dSvikram free(ip); 8157aa646b9dSvikram } 8158aa646b9dSvikram } 8159aa646b9dSvikram 8160aa646b9dSvikram free(nfp_hash); 8161aa646b9dSvikram nfp_hash = NULL; 8162aa646b9dSvikram } 8163aa646b9dSvikram 8164facf4a8dSllai static int 8165facf4a8dSllai devname_kcall(int subcmd, void *args) 8166facf4a8dSllai { 8167facf4a8dSllai int error = 0; 8168facf4a8dSllai char *nvlbuf = NULL; 8169facf4a8dSllai size_t nvlsize; 8170facf4a8dSllai 8171facf4a8dSllai switch (subcmd) { 8172facf4a8dSllai case MODDEVNAME_NSMAPS: 8173facf4a8dSllai error = nvlist_pack((nvlist_t *)args, &nvlbuf, &nvlsize, 0, 0); 8174facf4a8dSllai if (error) { 8175facf4a8dSllai err_print("packing MODDEVNAME_NSMAPS failed\n"); 8176facf4a8dSllai break; 8177facf4a8dSllai } 8178facf4a8dSllai error = modctl(MODDEVNAME, subcmd, nvlbuf, nvlsize); 8179facf4a8dSllai if (error) { 8180facf4a8dSllai vprint(INFO_MID, "modctl(MODDEVNAME, " 8181facf4a8dSllai "MODDEVNAME_NSMAPS) failed - %s\n", 8182facf4a8dSllai strerror(errno)); 8183facf4a8dSllai } 8184facf4a8dSllai free(nvlbuf); 8185facf4a8dSllai nvlist_free(args); 8186facf4a8dSllai break; 8187facf4a8dSllai case MODDEVNAME_LOOKUPDOOR: 8188facf4a8dSllai error = modctl(MODDEVNAME, subcmd, (uintptr_t)args); 8189facf4a8dSllai if (error) { 8190facf4a8dSllai vprint(INFO_MID, "modctl(MODDEVNAME, " 8191facf4a8dSllai "MODDEVNAME_LOOKUPDOOR) failed - %s\n", 8192facf4a8dSllai strerror(errno)); 8193facf4a8dSllai } 8194facf4a8dSllai break; 8195facf4a8dSllai default: 8196facf4a8dSllai error = EINVAL; 8197facf4a8dSllai break; 8198facf4a8dSllai } 8199facf4a8dSllai return (error); 8200facf4a8dSllai } 8201facf4a8dSllai 8202facf4a8dSllai static void 8203facf4a8dSllai devname_setup_nsmaps(void) 8204facf4a8dSllai { 8205facf4a8dSllai int error = 0; 8206facf4a8dSllai 8207facf4a8dSllai if (devname_first_call) { 8208facf4a8dSllai devname_first_call = 0; 8209facf4a8dSllai } 8210facf4a8dSllai 8211facf4a8dSllai error = di_devname_get_mapinfo(DEVNAME_MASTER_MAP, &devname_maps); 8212facf4a8dSllai 8213facf4a8dSllai if (error) { 82140bfaec69Sllai vprint(DEVNAME_MID, "devname_setup_nsmaps: non-existing/empty" 82150bfaec69Sllai "%s\n", DEVNAME_MASTER_MAP); 8216facf4a8dSllai } else { 8217facf4a8dSllai di_devname_print_mapinfo(devname_maps); 82180bfaec69Sllai 8219facf4a8dSllai /* pass down the existing map names to kernel */ 8220facf4a8dSllai (void) devname_kcall(MODDEVNAME_NSMAPS, (void *)devname_maps); 8221facf4a8dSllai } 8222facf4a8dSllai } 8223facf4a8dSllai 8224facf4a8dSllai static void 8225facf4a8dSllai devname_ns_services(uint8_t cmd, char *key, char *map) 8226facf4a8dSllai { 8227facf4a8dSllai nvlist_t *nvl = NULL; 8228facf4a8dSllai int32_t error = 0; 8229facf4a8dSllai sdev_door_res_t res; 8230facf4a8dSllai 8231facf4a8dSllai vprint(DEVNAME_MID, "devname_ns_services: cmd %d key %s map %s\n", 8232facf4a8dSllai cmd, key, map); 8233facf4a8dSllai 8234facf4a8dSllai switch (cmd) { 8235facf4a8dSllai case DEVFSADMD_NS_LOOKUP: 8236facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_get_mapent\n"); 8237facf4a8dSllai error = di_devname_get_mapent(key, map, &nvl); 8238facf4a8dSllai if (nvl == NULL) { 8239facf4a8dSllai error = DEVFSADM_NS_FAILED; 8240facf4a8dSllai goto done; 8241facf4a8dSllai } 8242facf4a8dSllai 8243facf4a8dSllai if (error) { 8244facf4a8dSllai nvlist_free(nvl); 8245facf4a8dSllai goto done; 8246facf4a8dSllai } 8247facf4a8dSllai 8248facf4a8dSllai if (devname_debug_msg) 8249facf4a8dSllai di_devname_print_mapinfo(nvl); 8250facf4a8dSllai 8251facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_action_on_key for %d\n", 8252facf4a8dSllai cmd); 8253facf4a8dSllai error = di_devname_action_on_key(nvl, cmd, key, (void *)&res); 8254facf4a8dSllai nvlist_free(nvl); 8255facf4a8dSllai break; 8256facf4a8dSllai case DEVFSADMD_NS_READDIR: 8257facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_get_mapinfo for cmd %d" 8258facf4a8dSllai "\n", cmd); 8259facf4a8dSllai error = di_devname_get_mapinfo(map, &nvl); 8260facf4a8dSllai if (nvl == NULL) { 8261facf4a8dSllai error = DEVFSADM_NS_FAILED; 8262facf4a8dSllai goto done; 8263facf4a8dSllai } 8264facf4a8dSllai 8265facf4a8dSllai if (error) { 8266facf4a8dSllai nvlist_free(nvl); 8267facf4a8dSllai goto done; 8268facf4a8dSllai } 8269facf4a8dSllai 8270facf4a8dSllai if (devname_debug_msg) 8271facf4a8dSllai di_devname_print_mapinfo(nvl); 8272facf4a8dSllai 8273facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_action_on_key\n"); 8274facf4a8dSllai error = di_devname_action_on_key(nvl, cmd, key, (void *)&res); 8275facf4a8dSllai nvlist_free(nvl); 8276facf4a8dSllai break; 8277facf4a8dSllai default: 8278facf4a8dSllai error = DEVFSADM_RUN_NOTSUP; 8279facf4a8dSllai break; 8280facf4a8dSllai } 8281facf4a8dSllai 8282facf4a8dSllai done: 8283facf4a8dSllai vprint(DEVNAME_MID, "error %d\n", error); 8284facf4a8dSllai res.devfsadm_error = error; 8285facf4a8dSllai (void) door_return((char *)&res, sizeof (struct sdev_door_res), 8286facf4a8dSllai NULL, 0); 8287facf4a8dSllai } 8288facf4a8dSllai 8289facf4a8dSllai /* ARGSUSED */ 8290facf4a8dSllai static void 8291facf4a8dSllai devname_lookup_handler(void *cookie, char *argp, size_t arg_size, 8292facf4a8dSllai door_desc_t *dp, uint_t n_desc) 8293facf4a8dSllai { 8294facf4a8dSllai int32_t error = 0; 8295facf4a8dSllai door_cred_t dcred; 8296facf4a8dSllai struct dca_impl dci; 8297facf4a8dSllai uint8_t cmd; 8298facf4a8dSllai char *ns_map, *ns_name; 8299facf4a8dSllai sdev_door_res_t res; 8300facf4a8dSllai sdev_door_arg_t *args; 8301facf4a8dSllai 8302facf4a8dSllai if (argp == NULL || arg_size == 0) { 8303facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: argp wrong\n"); 8304facf4a8dSllai error = DEVFSADM_RUN_INVALID; 8305facf4a8dSllai goto done; 8306facf4a8dSllai } 8307facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler\n"); 8308facf4a8dSllai 8309facf4a8dSllai if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 8310facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: cred wrong\n"); 8311facf4a8dSllai error = DEVFSADM_RUN_EPERM; 8312facf4a8dSllai goto done; 8313facf4a8dSllai } 8314facf4a8dSllai 8315facf4a8dSllai args = (sdev_door_arg_t *)argp; 8316facf4a8dSllai cmd = args->devfsadm_cmd; 8317facf4a8dSllai 8318facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: cmd %d\n", cmd); 8319facf4a8dSllai switch (cmd) { 8320facf4a8dSllai case DEVFSADMD_NS_LOOKUP: 8321facf4a8dSllai case DEVFSADMD_NS_READDIR: 8322facf4a8dSllai ns_name = s_strdup(args->ns_hdl.ns_name); 8323facf4a8dSllai ns_map = s_strdup(args->ns_hdl.ns_map); 8324facf4a8dSllai 8325facf4a8dSllai vprint(DEVNAME_MID, " ns_name %s ns_map %s\n", ns_name, ns_map); 8326facf4a8dSllai if (ns_name == NULL || ns_map == NULL) { 8327facf4a8dSllai error = DEVFSADM_RUN_INVALID; 8328facf4a8dSllai goto done; 8329facf4a8dSllai } 8330facf4a8dSllai 8331facf4a8dSllai devname_ns_services(cmd, ns_name, ns_map); 8332facf4a8dSllai return; 8333facf4a8dSllai case DEVFSADMD_RUN_ALL: 8334facf4a8dSllai /* 8335facf4a8dSllai * run "devfsadm" 8336facf4a8dSllai */ 8337facf4a8dSllai dci.dci_root = "/"; 8338facf4a8dSllai dci.dci_minor = NULL; 8339facf4a8dSllai dci.dci_driver = NULL; 8340facf4a8dSllai dci.dci_error = 0; 8341facf4a8dSllai dci.dci_flags = 0; 8342facf4a8dSllai dci.dci_arg = NULL; 8343facf4a8dSllai 8344facf4a8dSllai lock_dev(); 8345facf4a8dSllai update_drvconf((major_t)-1); 8346facf4a8dSllai dci.dci_flags |= DCA_FLUSH_PATHINST; 8347facf4a8dSllai 8348facf4a8dSllai pre_and_post_cleanup(RM_PRE); 8349facf4a8dSllai devi_tree_walk(&dci, DINFOFORCE|DI_CACHE_SNAPSHOT_FLAGS, NULL); 8350facf4a8dSllai error = (int32_t)dci.dci_error; 8351facf4a8dSllai if (!error) { 8352facf4a8dSllai pre_and_post_cleanup(RM_POST); 8353facf4a8dSllai update_database = TRUE; 8354facf4a8dSllai unlock_dev(SYNC_STATE); 8355facf4a8dSllai update_database = FALSE; 8356facf4a8dSllai } else { 8357facf4a8dSllai if (DEVFSADM_DEBUG_ON) { 8358facf4a8dSllai vprint(INFO_MID, "devname_lookup_handler: " 8359facf4a8dSllai "DEVFSADMD_RUN_ALL failed\n"); 8360facf4a8dSllai } 8361facf4a8dSllai 8362facf4a8dSllai unlock_dev(SYNC_STATE); 8363facf4a8dSllai } 8364facf4a8dSllai break; 8365facf4a8dSllai default: 8366facf4a8dSllai /* log an error here? */ 8367facf4a8dSllai error = DEVFSADM_RUN_NOTSUP; 8368facf4a8dSllai break; 8369facf4a8dSllai } 8370facf4a8dSllai 8371facf4a8dSllai done: 8372facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: error %d\n", error); 8373facf4a8dSllai res.devfsadm_error = error; 8374facf4a8dSllai (void) door_return((char *)&res, sizeof (struct sdev_door_res), 8375facf4a8dSllai NULL, 0); 8376facf4a8dSllai } 8377facf4a8dSllai 8378facf4a8dSllai /* 8379facf4a8dSllai * Use of the dev filesystem's private readdir does not trigger 8380facf4a8dSllai * the implicit device reconfiguration. 8381facf4a8dSllai * 8382facf4a8dSllai * Note: only useable with paths mounted on an instance of the 8383facf4a8dSllai * dev filesystem. 8384facf4a8dSllai * 8385facf4a8dSllai * Does not return the . and .. entries. 8386facf4a8dSllai * Empty directories are returned as an zero-length list. 8387facf4a8dSllai * ENOENT is returned as a NULL list pointer. 8388facf4a8dSllai */ 8389facf4a8dSllai static char * 8390facf4a8dSllai dev_readdir(char *path) 8391facf4a8dSllai { 8392facf4a8dSllai int rv; 8393facf4a8dSllai int64_t bufsiz; 8394facf4a8dSllai char *pathlist; 8395facf4a8dSllai char *p; 8396facf4a8dSllai int len; 8397facf4a8dSllai 8398facf4a8dSllai assert((strcmp(path, "/dev") == 0) || 8399facf4a8dSllai (strncmp(path, "/dev/", 4) == 0)); 8400facf4a8dSllai 8401facf4a8dSllai rv = modctl(MODDEVREADDIR, path, strlen(path), NULL, &bufsiz); 8402facf4a8dSllai if (rv != 0) { 8403facf4a8dSllai vprint(READDIR_MID, "%s: %s\n", path, strerror(errno)); 8404facf4a8dSllai return (NULL); 8405facf4a8dSllai } 8406facf4a8dSllai 8407facf4a8dSllai for (;;) { 8408facf4a8dSllai assert(bufsiz != 0); 8409facf4a8dSllai pathlist = s_malloc(bufsiz); 8410facf4a8dSllai 8411facf4a8dSllai rv = modctl(MODDEVREADDIR, path, strlen(path), 8412facf4a8dSllai pathlist, &bufsiz); 8413facf4a8dSllai if (rv == 0) { 8414facf4a8dSllai vprint(READDIR_MID, "%s\n", path); 8415facf4a8dSllai vprint(READDIR_ALL_MID, "%s:\n", path); 8416facf4a8dSllai for (p = pathlist; (len = strlen(p)) > 0; p += len+1) { 8417facf4a8dSllai vprint(READDIR_ALL_MID, " %s\n", p); 8418facf4a8dSllai } 8419facf4a8dSllai return (pathlist); 8420facf4a8dSllai } 8421facf4a8dSllai free(pathlist); 8422facf4a8dSllai switch (errno) { 8423facf4a8dSllai case EAGAIN: 8424facf4a8dSllai break; 8425facf4a8dSllai case ENOENT: 8426facf4a8dSllai default: 8427facf4a8dSllai vprint(READDIR_MID, "%s: %s\n", path, strerror(errno)); 8428facf4a8dSllai return (NULL); 8429facf4a8dSllai } 8430facf4a8dSllai } 8431facf4a8dSllai } 8432