17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5055e805aSedp * Common Development and Distribution License (the "License"). 6055e805aSedp * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21055e805aSedp 227c478bd9Sstevel@tonic-gate /* 23055e805aSedp * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate /* 307c478bd9Sstevel@tonic-gate * Devfsadm replaces drvconfig, audlinks, disks, tapes, ports, devlinks 317c478bd9Sstevel@tonic-gate * as a general purpose device administrative utility. It creates 327c478bd9Sstevel@tonic-gate * devices special files in /devices and logical links in /dev, and 337c478bd9Sstevel@tonic-gate * coordinates updates to /etc/path_to_instance with the kernel. It 347c478bd9Sstevel@tonic-gate * operates in both command line mode to handle user or script invoked 357c478bd9Sstevel@tonic-gate * reconfiguration updates, and operates in daemon mode to handle dynamic 367c478bd9Sstevel@tonic-gate * reconfiguration for hotplugging support. 377c478bd9Sstevel@tonic-gate */ 387c478bd9Sstevel@tonic-gate 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 4845916cd2Sjpk extern void _reset_devalloc(int); 4945916cd2Sjpk extern void _update_devalloc_db(devlist_t *, int, int, char *, char *); 5045916cd2Sjpk extern int _da_check_for_usb(char *, char *); 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate /* create or remove nodes or links. unset with -n */ 537c478bd9Sstevel@tonic-gate static int file_mods = TRUE; 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate /* cleanup mode. Set with -C */ 567c478bd9Sstevel@tonic-gate static int cleanup = FALSE; 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate /* devlinks -d compatibility */ 597c478bd9Sstevel@tonic-gate static int devlinks_debug = FALSE; 607c478bd9Sstevel@tonic-gate 6145916cd2Sjpk /* flag to check if system is labeled */ 6245916cd2Sjpk int system_labeled = FALSE; 6345916cd2Sjpk 6445916cd2Sjpk /* flag to enable/disable device allocation with -e/-d */ 6545916cd2Sjpk static int devalloc_flag = 0; 6645916cd2Sjpk 6745916cd2Sjpk /* flag to update device allocation database for this device type */ 6845916cd2Sjpk static int update_devdb = 0; 6945916cd2Sjpk 7045916cd2Sjpk /* 7145916cd2Sjpk * devices to be deallocated with -d : 7245916cd2Sjpk * audio, floppy, cd, floppy, tape, rmdisk. 7345916cd2Sjpk */ 7445916cd2Sjpk static char *devalloc_list[10] = {DDI_NT_AUDIO, DDI_NT_CD, DDI_NT_CD_CHAN, 7545916cd2Sjpk DDI_NT_FD, DDI_NT_TAPE, DDI_NT_BLOCK_CHAN, 7645916cd2Sjpk DDI_NT_UGEN, DDI_NT_USB_ATTACHMENT_POINT, 7745916cd2Sjpk DDI_NT_SCSI_NEXUS, NULL}; 787c478bd9Sstevel@tonic-gate 7945916cd2Sjpk /* list of allocatable devices */ 8045916cd2Sjpk static devlist_t devlist; 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate /* load a single driver only. set with -i */ 837c478bd9Sstevel@tonic-gate static int single_drv = FALSE; 847c478bd9Sstevel@tonic-gate static char *driver = NULL; 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate /* attempt to load drivers or defer attach nodes */ 877c478bd9Sstevel@tonic-gate static int load_attach_drv = TRUE; 887c478bd9Sstevel@tonic-gate 897c478bd9Sstevel@tonic-gate /* set if invoked via /usr/lib/devfsadm/devfsadmd */ 907c478bd9Sstevel@tonic-gate static int daemon_mode = FALSE; 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate /* output directed to syslog during daemon mode if set */ 937c478bd9Sstevel@tonic-gate static int logflag = FALSE; 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate /* build links in /dev. -x to turn off */ 967c478bd9Sstevel@tonic-gate static int build_dev = TRUE; 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate /* build nodes in /devices. -y to turn off */ 997c478bd9Sstevel@tonic-gate static int build_devices = TRUE; 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate /* -z to turn off */ 1027c478bd9Sstevel@tonic-gate static int flush_path_to_inst_enable = TRUE; 1037c478bd9Sstevel@tonic-gate 1047c478bd9Sstevel@tonic-gate /* variables used for path_to_inst flushing */ 1057c478bd9Sstevel@tonic-gate static int inst_count = 0; 1067c478bd9Sstevel@tonic-gate static mutex_t count_lock; 1077c478bd9Sstevel@tonic-gate static cond_t cv; 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate /* variables for minor_fini calling system */ 1107c478bd9Sstevel@tonic-gate static int minor_fini_timeout = MINOR_FINI_TIMEOUT_DEFAULT; 1117c478bd9Sstevel@tonic-gate static mutex_t minor_fini_mutex; 1127c478bd9Sstevel@tonic-gate static int minor_fini_thread_created = FALSE; 1137c478bd9Sstevel@tonic-gate static int minor_fini_delay_restart = FALSE; 1147c478bd9Sstevel@tonic-gate 1157c478bd9Sstevel@tonic-gate /* single-threads /dev modification */ 1167c478bd9Sstevel@tonic-gate static sema_t dev_sema; 1177c478bd9Sstevel@tonic-gate 1187c478bd9Sstevel@tonic-gate /* the program we were invoked as; ie argv[0] */ 1197c478bd9Sstevel@tonic-gate static char *prog; 1207c478bd9Sstevel@tonic-gate 1217c478bd9Sstevel@tonic-gate /* pointers to create/remove link lists */ 1227c478bd9Sstevel@tonic-gate static create_list_t *create_head = NULL; 1237c478bd9Sstevel@tonic-gate static remove_list_t *remove_head = NULL; 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate /* supports the class -c option */ 1267c478bd9Sstevel@tonic-gate static char **classes = NULL; 1277c478bd9Sstevel@tonic-gate static int num_classes = 0; 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate /* used with verbose option -v or -V */ 1307c478bd9Sstevel@tonic-gate static int num_verbose = 0; 1317c478bd9Sstevel@tonic-gate static char **verbose = NULL; 1327c478bd9Sstevel@tonic-gate 1337c478bd9Sstevel@tonic-gate static struct mperm *minor_perms = NULL; 1347c478bd9Sstevel@tonic-gate static driver_alias_t *driver_aliases = NULL; 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate /* set if -r alternate root given */ 1377c478bd9Sstevel@tonic-gate static char *root_dir = ""; 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate /* /devices or <rootdir>/devices */ 1407c478bd9Sstevel@tonic-gate static char *devices_dir = DEVICES; 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate /* /dev or <rootdir>/dev */ 1437c478bd9Sstevel@tonic-gate static char *dev_dir = DEV; 1447c478bd9Sstevel@tonic-gate 145*facf4a8dSllai /* /etc/dev or <rootdir>/etc/dev */ 146*facf4a8dSllai static char *etc_dev_dir = ETCDEV; 147*facf4a8dSllai 148*facf4a8dSllai /* 149*facf4a8dSllai * writable root (for lock files and doors during install). 150*facf4a8dSllai * This is also root dir for /dev attr dir during install. 151*facf4a8dSllai */ 152*facf4a8dSllai 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 2107c478bd9Sstevel@tonic-gate /* 2117c478bd9Sstevel@tonic-gate * Packaged directories - not removed even when empty. 2127c478bd9Sstevel@tonic-gate * The dirs must be listed in canonical form 2137c478bd9Sstevel@tonic-gate * i.e. without leading "/dev/" 2147c478bd9Sstevel@tonic-gate */ 2157c478bd9Sstevel@tonic-gate static char *packaged_dirs[] = 2167c478bd9Sstevel@tonic-gate {"dsk", "rdsk", "term", NULL}; 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate /* RCM related globals */ 2197c478bd9Sstevel@tonic-gate static void *librcm_hdl; 2207c478bd9Sstevel@tonic-gate static rcm_handle_t *rcm_hdl = NULL; 2217c478bd9Sstevel@tonic-gate static thread_t process_rcm_events_tid; 2227c478bd9Sstevel@tonic-gate static struct rcm_eventq *volatile rcm_eventq_head = NULL; 2237c478bd9Sstevel@tonic-gate static struct rcm_eventq *rcm_eventq_tail = NULL; 2247c478bd9Sstevel@tonic-gate static mutex_t rcm_eventq_lock; 2257c478bd9Sstevel@tonic-gate static cond_t rcm_eventq_cv; 2267c478bd9Sstevel@tonic-gate static volatile int need_to_exit_rcm_event_thread = 0; 2277c478bd9Sstevel@tonic-gate 228*facf4a8dSllai /* Devname globals */ 229*facf4a8dSllai static int devname_debug_msg = 1; 230*facf4a8dSllai static nvlist_t *devname_maps = NULL; 231*facf4a8dSllai static int devname_first_call = 1; 232*facf4a8dSllai static int load_devname_nsmaps = FALSE; 233*facf4a8dSllai static int lookup_door_fd = -1; 234*facf4a8dSllai static char *lookup_door_path; 235*facf4a8dSllai 2367c478bd9Sstevel@tonic-gate static void load_dev_acl(void); 2377c478bd9Sstevel@tonic-gate static void update_drvconf(major_t); 238*facf4a8dSllai static void check_reconfig_state(void); 239*facf4a8dSllai static void devname_setup_nsmaps(void); 240*facf4a8dSllai static int s_stat(const char *, struct stat *); 2417c478bd9Sstevel@tonic-gate 2427c478bd9Sstevel@tonic-gate int 2437c478bd9Sstevel@tonic-gate main(int argc, char *argv[]) 2447c478bd9Sstevel@tonic-gate { 24545916cd2Sjpk struct stat tx_stat; 2467c478bd9Sstevel@tonic-gate struct passwd *pw; 2477c478bd9Sstevel@tonic-gate struct group *gp; 2487c478bd9Sstevel@tonic-gate pid_t pid; 2497c478bd9Sstevel@tonic-gate 2507c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 2517c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 2527c478bd9Sstevel@tonic-gate 2537c478bd9Sstevel@tonic-gate if ((prog = strrchr(argv[0], '/')) == NULL) { 2547c478bd9Sstevel@tonic-gate prog = argv[0]; 2557c478bd9Sstevel@tonic-gate } else { 2567c478bd9Sstevel@tonic-gate prog++; 2577c478bd9Sstevel@tonic-gate } 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate if (getuid() != 0) { 2607c478bd9Sstevel@tonic-gate err_print(MUST_BE_ROOT); 2617c478bd9Sstevel@tonic-gate devfsadm_exit(1); 2627c478bd9Sstevel@tonic-gate } 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate /* 2657c478bd9Sstevel@tonic-gate * Close all files except stdin/stdout/stderr 2667c478bd9Sstevel@tonic-gate */ 2677c478bd9Sstevel@tonic-gate closefrom(3); 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate if ((pw = getpwnam(DEFAULT_DEV_USER)) != NULL) { 2707c478bd9Sstevel@tonic-gate root_uid = pw->pw_uid; 2717c478bd9Sstevel@tonic-gate } else { 2727c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 2737c478bd9Sstevel@tonic-gate root_uid = (uid_t)0; /* assume 0 is root */ 2747c478bd9Sstevel@tonic-gate } 2757c478bd9Sstevel@tonic-gate 2767c478bd9Sstevel@tonic-gate /* the default group is sys */ 2777c478bd9Sstevel@tonic-gate 2787c478bd9Sstevel@tonic-gate if ((gp = getgrnam(DEFAULT_DEV_GROUP)) != NULL) { 2797c478bd9Sstevel@tonic-gate sys_gid = gp->gr_gid; 2807c478bd9Sstevel@tonic-gate } else { 2817c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 2827c478bd9Sstevel@tonic-gate sys_gid = (gid_t)3; /* assume 3 is sys */ 2837c478bd9Sstevel@tonic-gate } 2847c478bd9Sstevel@tonic-gate 2857c478bd9Sstevel@tonic-gate (void) umask(0); 2867c478bd9Sstevel@tonic-gate 28745916cd2Sjpk system_labeled = is_system_labeled(); 28845916cd2Sjpk if (system_labeled == FALSE) { 28945916cd2Sjpk /* 29045916cd2Sjpk * is_system_labeled() will return false in case we are 29145916cd2Sjpk * starting before the first reboot after Trusted Extensions 29245916cd2Sjpk * is installed. we check for a well known TX binary to 29345916cd2Sjpk * to see if TX is installed. 29445916cd2Sjpk */ 29545916cd2Sjpk if (stat(DA_LABEL_CHECK, &tx_stat) == 0) 29645916cd2Sjpk system_labeled = TRUE; 297*facf4a8dSllai else { 298*facf4a8dSllai /* test hook: see also mkdevalloc.c and allocate.c */ 299*facf4a8dSllai system_labeled = is_system_labeled_debug(&tx_stat); 300*facf4a8dSllai } 30145916cd2Sjpk } 30245916cd2Sjpk 3037c478bd9Sstevel@tonic-gate parse_args(argc, argv); 3047c478bd9Sstevel@tonic-gate 3057c478bd9Sstevel@tonic-gate (void) sema_init(&dev_sema, 1, USYNC_THREAD, NULL); 3067c478bd9Sstevel@tonic-gate 30745916cd2Sjpk /* Initialize device allocation list */ 30845916cd2Sjpk devlist.audio = devlist.cd = devlist.floppy = devlist.tape = 30945916cd2Sjpk devlist.rmdisk = NULL; 31045916cd2Sjpk 3117c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) { 3127c478bd9Sstevel@tonic-gate /* 3137c478bd9Sstevel@tonic-gate * Build /dev and /devices before daemonizing if 3147c478bd9Sstevel@tonic-gate * reconfig booting and daemon invoked with alternate 3157c478bd9Sstevel@tonic-gate * root. This is to support install. 3167c478bd9Sstevel@tonic-gate */ 3177c478bd9Sstevel@tonic-gate if (getenv(RECONFIG_BOOT) != NULL && root_dir[0] != '\0') { 3187c478bd9Sstevel@tonic-gate vprint(INFO_MID, CONFIGURING); 3197c478bd9Sstevel@tonic-gate load_dev_acl(); 3207c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 3217c478bd9Sstevel@tonic-gate process_devinfo_tree(); 3227c478bd9Sstevel@tonic-gate (void) modctl(MODSETMINIROOT); 3237c478bd9Sstevel@tonic-gate } 3247c478bd9Sstevel@tonic-gate 3257c478bd9Sstevel@tonic-gate /* 3267c478bd9Sstevel@tonic-gate * fork before detaching from tty in order to print error 3277c478bd9Sstevel@tonic-gate * message if unable to acquire file lock. locks not preserved 3287c478bd9Sstevel@tonic-gate * across forks. Even under debug we want to fork so that 3297c478bd9Sstevel@tonic-gate * when executed at boot we don't hang. 3307c478bd9Sstevel@tonic-gate */ 3317c478bd9Sstevel@tonic-gate if (fork() != 0) { 3327c478bd9Sstevel@tonic-gate devfsadm_exit(0); 3337c478bd9Sstevel@tonic-gate } 3347c478bd9Sstevel@tonic-gate 3357c478bd9Sstevel@tonic-gate /* set directory to / so it coredumps there */ 3367c478bd9Sstevel@tonic-gate if (chdir("/") == -1) { 3377c478bd9Sstevel@tonic-gate err_print(CHROOT_FAILED, strerror(errno)); 3387c478bd9Sstevel@tonic-gate } 3397c478bd9Sstevel@tonic-gate 3407c478bd9Sstevel@tonic-gate /* only one daemon can run at a time */ 3417c478bd9Sstevel@tonic-gate if ((pid = enter_daemon_lock()) == getpid()) { 3427c478bd9Sstevel@tonic-gate thread_t thread; 3437c478bd9Sstevel@tonic-gate detachfromtty(); 3447c478bd9Sstevel@tonic-gate (void) cond_init(&cv, USYNC_THREAD, 0); 3457c478bd9Sstevel@tonic-gate (void) mutex_init(&count_lock, USYNC_THREAD, 0); 3467c478bd9Sstevel@tonic-gate if (thr_create(NULL, NULL, 3477c478bd9Sstevel@tonic-gate (void *(*)(void *))instance_flush_thread, 3487c478bd9Sstevel@tonic-gate NULL, 3497c478bd9Sstevel@tonic-gate THR_DETACHED, 3507c478bd9Sstevel@tonic-gate &thread) != 0) { 3517c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "daemon", 3527c478bd9Sstevel@tonic-gate strerror(errno)); 3537c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3547c478bd9Sstevel@tonic-gate } 3557c478bd9Sstevel@tonic-gate 3567c478bd9Sstevel@tonic-gate /* 3577c478bd9Sstevel@tonic-gate * No need for rcm notifications when running 3587c478bd9Sstevel@tonic-gate * with an alternate root. So initialize rcm only 3597c478bd9Sstevel@tonic-gate * when devfsadm is running with root dir "/". 3607c478bd9Sstevel@tonic-gate * Similarly, logindevperms need only be set 3617c478bd9Sstevel@tonic-gate * in daemon mode and when root dir is "/". 3627c478bd9Sstevel@tonic-gate */ 3637c478bd9Sstevel@tonic-gate if (root_dir[0] == '\0') { 3647c478bd9Sstevel@tonic-gate (void) rcm_init(); 3657c478bd9Sstevel@tonic-gate login_dev_enable = TRUE; 3667c478bd9Sstevel@tonic-gate } 3677c478bd9Sstevel@tonic-gate daemon_update(); 3687c478bd9Sstevel@tonic-gate } else { 3697c478bd9Sstevel@tonic-gate err_print(DAEMON_RUNNING, pid); 3707c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3717c478bd9Sstevel@tonic-gate } 3727c478bd9Sstevel@tonic-gate exit_daemon_lock(); 3737c478bd9Sstevel@tonic-gate 3747c478bd9Sstevel@tonic-gate } else { 3757c478bd9Sstevel@tonic-gate /* not a daemon, so just build /dev and /devices */ 3767c478bd9Sstevel@tonic-gate process_devinfo_tree(); 37745916cd2Sjpk if (devalloc_flag != 0) 37845916cd2Sjpk /* Enable/disable device allocation */ 37945916cd2Sjpk _reset_devalloc(devalloc_flag); 3807c478bd9Sstevel@tonic-gate } 3817c478bd9Sstevel@tonic-gate return (0); 3827c478bd9Sstevel@tonic-gate } 3837c478bd9Sstevel@tonic-gate 3847c478bd9Sstevel@tonic-gate static void 3857c478bd9Sstevel@tonic-gate update_drvconf(major_t major) 3867c478bd9Sstevel@tonic-gate { 3877c478bd9Sstevel@tonic-gate if (modctl(MODLOADDRVCONF, major) != 0) 3887c478bd9Sstevel@tonic-gate err_print(gettext("update_drvconf failed for major %d\n"), 3897c478bd9Sstevel@tonic-gate major); 3907c478bd9Sstevel@tonic-gate } 3917c478bd9Sstevel@tonic-gate 3927c478bd9Sstevel@tonic-gate 3937c478bd9Sstevel@tonic-gate static void 3947c478bd9Sstevel@tonic-gate load_dev_acl() 3957c478bd9Sstevel@tonic-gate { 3967c478bd9Sstevel@tonic-gate if (load_devpolicy() != 0) 3977c478bd9Sstevel@tonic-gate err_print(gettext("device policy load failed\n")); 3987c478bd9Sstevel@tonic-gate load_minor_perm_file(); 3997c478bd9Sstevel@tonic-gate } 4007c478bd9Sstevel@tonic-gate 4017c478bd9Sstevel@tonic-gate /* 402*facf4a8dSllai * As devfsadm is run early in boot to provide the kernel with 403*facf4a8dSllai * minor_perm info, we might as well check for reconfig at the 404*facf4a8dSllai * same time to avoid running devfsadm twice. This gets invoked 405*facf4a8dSllai * earlier than the env variable RECONFIG_BOOT is set up. 4067c478bd9Sstevel@tonic-gate */ 407*facf4a8dSllai static void 408*facf4a8dSllai check_reconfig_state() 4097c478bd9Sstevel@tonic-gate { 410*facf4a8dSllai struct stat sb; 4117c478bd9Sstevel@tonic-gate 412*facf4a8dSllai if (s_stat("/reconfigure", &sb) == 0) { 413*facf4a8dSllai (void) modctl(MODDEVNAME, MODDEVNAME_RECONFIG, 0); 4147c478bd9Sstevel@tonic-gate } 415*facf4a8dSllai } 4167c478bd9Sstevel@tonic-gate 417*facf4a8dSllai static void 418*facf4a8dSllai modctl_sysavail() 419*facf4a8dSllai { 420*facf4a8dSllai /* 421*facf4a8dSllai * Inform /dev that system is available, that 422*facf4a8dSllai * implicit reconfig can now be performed. 423*facf4a8dSllai */ 424*facf4a8dSllai (void) modctl(MODDEVNAME, MODDEVNAME_SYSAVAIL, 0); 425*facf4a8dSllai } 4267c478bd9Sstevel@tonic-gate 427*facf4a8dSllai static void 428*facf4a8dSllai set_lock_root(void) 429*facf4a8dSllai { 430*facf4a8dSllai struct stat sb; 431*facf4a8dSllai char *lock_root; 432*facf4a8dSllai size_t len; 4337c478bd9Sstevel@tonic-gate 434*facf4a8dSllai lock_root = attr_root ? attr_root : root_dir; 4357c478bd9Sstevel@tonic-gate 436*facf4a8dSllai len = strlen(lock_root) + strlen(ETCDEV) + 1; 437*facf4a8dSllai etc_dev_dir = s_malloc(len); 438*facf4a8dSllai (void) snprintf(etc_dev_dir, len, "%s%s", lock_root, ETCDEV); 4397c478bd9Sstevel@tonic-gate 440*facf4a8dSllai if (s_stat(etc_dev_dir, &sb) != 0) { 441*facf4a8dSllai s_mkdirp(etc_dev_dir, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); 442*facf4a8dSllai } else if (!S_ISDIR(sb.st_mode)) { 443*facf4a8dSllai err_print(NOT_DIR, etc_dev_dir); 444*facf4a8dSllai devfsadm_exit(1); 445*facf4a8dSllai } 4467c478bd9Sstevel@tonic-gate } 4477c478bd9Sstevel@tonic-gate 448*facf4a8dSllai 4497c478bd9Sstevel@tonic-gate /* 4507c478bd9Sstevel@tonic-gate * Parse arguments for all 6 programs handled from devfsadm. 4517c478bd9Sstevel@tonic-gate */ 4527c478bd9Sstevel@tonic-gate static void 4537c478bd9Sstevel@tonic-gate parse_args(int argc, char *argv[]) 4547c478bd9Sstevel@tonic-gate { 4557c478bd9Sstevel@tonic-gate char opt; 4567c478bd9Sstevel@tonic-gate char get_linkcompat_opts = FALSE; 4577c478bd9Sstevel@tonic-gate char *compat_class; 4587c478bd9Sstevel@tonic-gate int num_aliases = 0; 4597c478bd9Sstevel@tonic-gate int len; 4607c478bd9Sstevel@tonic-gate int retval; 4617c478bd9Sstevel@tonic-gate int add_bind = FALSE; 4627c478bd9Sstevel@tonic-gate struct aliases *ap = NULL; 4637c478bd9Sstevel@tonic-gate struct aliases *a_head = NULL; 4647c478bd9Sstevel@tonic-gate struct aliases *a_tail = NULL; 4657c478bd9Sstevel@tonic-gate struct modconfig mc; 4667c478bd9Sstevel@tonic-gate 4677c478bd9Sstevel@tonic-gate if (strcmp(prog, DISKS) == 0) { 4687c478bd9Sstevel@tonic-gate compat_class = "disk"; 4697c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4707c478bd9Sstevel@tonic-gate 4717c478bd9Sstevel@tonic-gate } else if (strcmp(prog, TAPES) == 0) { 4727c478bd9Sstevel@tonic-gate compat_class = "tape"; 4737c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4747c478bd9Sstevel@tonic-gate 4757c478bd9Sstevel@tonic-gate } else if (strcmp(prog, PORTS) == 0) { 4767c478bd9Sstevel@tonic-gate compat_class = "port"; 4777c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4787c478bd9Sstevel@tonic-gate 4797c478bd9Sstevel@tonic-gate } else if (strcmp(prog, AUDLINKS) == 0) { 4807c478bd9Sstevel@tonic-gate compat_class = "audio"; 4817c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4827c478bd9Sstevel@tonic-gate 4837c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DEVLINKS) == 0) { 4847c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 4857c478bd9Sstevel@tonic-gate 4867c478bd9Sstevel@tonic-gate build_devices = FALSE; 4877c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 4887c478bd9Sstevel@tonic-gate 4897c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "dnr:st:vV:")) != EOF) { 4907c478bd9Sstevel@tonic-gate switch (opt) { 4917c478bd9Sstevel@tonic-gate case 'd': 4927c478bd9Sstevel@tonic-gate file_mods = FALSE; 4937c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 4947c478bd9Sstevel@tonic-gate devlinks_debug = TRUE; 4957c478bd9Sstevel@tonic-gate break; 4967c478bd9Sstevel@tonic-gate case 'n': 4977c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 4987c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 4997c478bd9Sstevel@tonic-gate break; 5007c478bd9Sstevel@tonic-gate case 'r': 501*facf4a8dSllai set_root_devices_dev_dir(optarg); 5027c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 5037c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 5047c478bd9Sstevel@tonic-gate devfsadm_exit(1); 5057c478bd9Sstevel@tonic-gate break; 5067c478bd9Sstevel@tonic-gate case 's': 5077c478bd9Sstevel@tonic-gate /* 5087c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 5097c478bd9Sstevel@tonic-gate * useful with -v or -V 5107c478bd9Sstevel@tonic-gate */ 5117c478bd9Sstevel@tonic-gate file_mods = FALSE; 5127c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 5137c478bd9Sstevel@tonic-gate break; 5147c478bd9Sstevel@tonic-gate case 't': 5157c478bd9Sstevel@tonic-gate /* supply a non-default table file */ 5167c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 5177c478bd9Sstevel@tonic-gate break; 5187c478bd9Sstevel@tonic-gate case 'v': 5197c478bd9Sstevel@tonic-gate /* documented verbose flag */ 5207c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 5217c478bd9Sstevel@tonic-gate break; 5227c478bd9Sstevel@tonic-gate case 'V': 5237c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 5247c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 5257c478bd9Sstevel@tonic-gate break; 5267c478bd9Sstevel@tonic-gate default: 5277c478bd9Sstevel@tonic-gate usage(); 5287c478bd9Sstevel@tonic-gate break; 5297c478bd9Sstevel@tonic-gate } 5307c478bd9Sstevel@tonic-gate } 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate if (optind < argc) { 5337c478bd9Sstevel@tonic-gate usage(); 5347c478bd9Sstevel@tonic-gate } 5357c478bd9Sstevel@tonic-gate 5367c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 5377c478bd9Sstevel@tonic-gate build_dev = FALSE; 5387c478bd9Sstevel@tonic-gate 5397c478bd9Sstevel@tonic-gate while ((opt = 5407c478bd9Sstevel@tonic-gate getopt(argc, argv, "a:bdc:i:m:np:R:r:svV:")) != EOF) { 5417c478bd9Sstevel@tonic-gate switch (opt) { 5427c478bd9Sstevel@tonic-gate case 'a': 5437c478bd9Sstevel@tonic-gate ap = calloc(sizeof (struct aliases), 1); 5447c478bd9Sstevel@tonic-gate ap->a_name = dequote(optarg); 5457c478bd9Sstevel@tonic-gate len = strlen(ap->a_name) + 1; 5467c478bd9Sstevel@tonic-gate if (len > MAXMODCONFNAME) { 5477c478bd9Sstevel@tonic-gate err_print(ALIAS_TOO_LONG, 5487c478bd9Sstevel@tonic-gate MAXMODCONFNAME, ap->a_name); 5497c478bd9Sstevel@tonic-gate devfsadm_exit(1); 5507c478bd9Sstevel@tonic-gate } 5517c478bd9Sstevel@tonic-gate ap->a_len = len; 5527c478bd9Sstevel@tonic-gate if (a_tail == NULL) { 5537c478bd9Sstevel@tonic-gate a_head = ap; 5547c478bd9Sstevel@tonic-gate } else { 5557c478bd9Sstevel@tonic-gate a_tail->a_next = ap; 5567c478bd9Sstevel@tonic-gate } 5577c478bd9Sstevel@tonic-gate a_tail = ap; 5587c478bd9Sstevel@tonic-gate num_aliases++; 5597c478bd9Sstevel@tonic-gate add_bind = TRUE; 5607c478bd9Sstevel@tonic-gate break; 5617c478bd9Sstevel@tonic-gate case 'b': 5627c478bd9Sstevel@tonic-gate add_bind = TRUE; 5637c478bd9Sstevel@tonic-gate break; 5647c478bd9Sstevel@tonic-gate case 'c': 5657c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvclass, optarg); 5667c478bd9Sstevel@tonic-gate break; 5677c478bd9Sstevel@tonic-gate case 'd': 5687c478bd9Sstevel@tonic-gate /* 5697c478bd9Sstevel@tonic-gate * need to keep for compatibility, but 5707c478bd9Sstevel@tonic-gate * do nothing. 5717c478bd9Sstevel@tonic-gate */ 5727c478bd9Sstevel@tonic-gate break; 5737c478bd9Sstevel@tonic-gate case 'i': 5747c478bd9Sstevel@tonic-gate single_drv = TRUE; 5757c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvname, optarg); 5767c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 5777c478bd9Sstevel@tonic-gate break; 5787c478bd9Sstevel@tonic-gate case 'm': 5797c478bd9Sstevel@tonic-gate mc.major = atoi(optarg); 5807c478bd9Sstevel@tonic-gate break; 5817c478bd9Sstevel@tonic-gate case 'n': 5827c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 5837c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 5847c478bd9Sstevel@tonic-gate break; 5857c478bd9Sstevel@tonic-gate case 'p': 5867c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 5877c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 5887c478bd9Sstevel@tonic-gate break; 5897c478bd9Sstevel@tonic-gate case 'R': 5907c478bd9Sstevel@tonic-gate /* 5917c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 5927c478bd9Sstevel@tonic-gate * device information on the installed root. 5937c478bd9Sstevel@tonic-gate */ 5947c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 5957c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 5967c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 5977c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 5987c478bd9Sstevel@tonic-gate break; 5997c478bd9Sstevel@tonic-gate case 'r': 6007c478bd9Sstevel@tonic-gate devices_dir = s_strdup(optarg); 6017c478bd9Sstevel@tonic-gate if (zone_pathcheck(devices_dir) != 6027c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 6037c478bd9Sstevel@tonic-gate devfsadm_exit(1); 6047c478bd9Sstevel@tonic-gate break; 6057c478bd9Sstevel@tonic-gate case 's': 6067c478bd9Sstevel@tonic-gate /* 6077c478bd9Sstevel@tonic-gate * suppress. don't create nodes 6087c478bd9Sstevel@tonic-gate * useful with -v or -V 6097c478bd9Sstevel@tonic-gate */ 6107c478bd9Sstevel@tonic-gate file_mods = FALSE; 6117c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 6127c478bd9Sstevel@tonic-gate break; 6137c478bd9Sstevel@tonic-gate case 'v': 6147c478bd9Sstevel@tonic-gate /* documented verbose flag */ 6157c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 6167c478bd9Sstevel@tonic-gate break; 6177c478bd9Sstevel@tonic-gate case 'V': 6187c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 6197c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 6207c478bd9Sstevel@tonic-gate break; 6217c478bd9Sstevel@tonic-gate default: 6227c478bd9Sstevel@tonic-gate usage(); 6237c478bd9Sstevel@tonic-gate } 6247c478bd9Sstevel@tonic-gate } 6257c478bd9Sstevel@tonic-gate 6267c478bd9Sstevel@tonic-gate if (optind < argc) { 6277c478bd9Sstevel@tonic-gate usage(); 6287c478bd9Sstevel@tonic-gate } 6297c478bd9Sstevel@tonic-gate 6307c478bd9Sstevel@tonic-gate if ((add_bind == TRUE) && (mc.major == -1 || 6317c478bd9Sstevel@tonic-gate mc.drvname[0] == NULL)) { 6327c478bd9Sstevel@tonic-gate err_print(MAJOR_AND_B_FLAG); 6337c478bd9Sstevel@tonic-gate devfsadm_exit(1); 6347c478bd9Sstevel@tonic-gate } 6357c478bd9Sstevel@tonic-gate if (add_bind == TRUE) { 6367c478bd9Sstevel@tonic-gate mc.num_aliases = num_aliases; 6377c478bd9Sstevel@tonic-gate mc.ap = a_head; 6387c478bd9Sstevel@tonic-gate retval = modctl(MODADDMAJBIND, NULL, (caddr_t)&mc); 6397c478bd9Sstevel@tonic-gate if (retval < 0) { 6407c478bd9Sstevel@tonic-gate err_print(MODCTL_ADDMAJBIND); 6417c478bd9Sstevel@tonic-gate } 6427c478bd9Sstevel@tonic-gate devfsadm_exit(retval); 6437c478bd9Sstevel@tonic-gate } 6447c478bd9Sstevel@tonic-gate 6457c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 6467c478bd9Sstevel@tonic-gate (strcmp(prog, DEVFSADMD) == 0)) { 6477c478bd9Sstevel@tonic-gate char *zonename = NULL; 6487c478bd9Sstevel@tonic-gate int init_drvconf = 0; 6497c478bd9Sstevel@tonic-gate int init_perm = 0; 6507c478bd9Sstevel@tonic-gate int public_mode = 0; 651*facf4a8dSllai int init_sysavail = 0; 6527c478bd9Sstevel@tonic-gate 6537c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADMD) == 0) { 6547c478bd9Sstevel@tonic-gate daemon_mode = TRUE; 6557c478bd9Sstevel@tonic-gate } 6567c478bd9Sstevel@tonic-gate 6577c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 6587c478bd9Sstevel@tonic-gate 6597c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, 660*facf4a8dSllai "a:Cc:deIi:l:mnp:PR:r:sSt:vV:x:")) != EOF) { 661*facf4a8dSllai if (opt == 'I' || opt == 'P' || opt == 'S') { 6627c478bd9Sstevel@tonic-gate if (public_mode) 6637c478bd9Sstevel@tonic-gate usage(); 6647c478bd9Sstevel@tonic-gate } else { 665*facf4a8dSllai if (init_perm || init_drvconf || init_sysavail) 6667c478bd9Sstevel@tonic-gate usage(); 6677c478bd9Sstevel@tonic-gate public_mode = 1; 6687c478bd9Sstevel@tonic-gate } 6697c478bd9Sstevel@tonic-gate switch (opt) { 670*facf4a8dSllai case 'a': 671*facf4a8dSllai attr_root = s_strdup(optarg); 672*facf4a8dSllai break; 6737c478bd9Sstevel@tonic-gate case 'C': 6747c478bd9Sstevel@tonic-gate cleanup = TRUE; 6757c478bd9Sstevel@tonic-gate break; 6767c478bd9Sstevel@tonic-gate case 'c': 6777c478bd9Sstevel@tonic-gate num_classes++; 6787c478bd9Sstevel@tonic-gate classes = s_realloc(classes, num_classes * 6797c478bd9Sstevel@tonic-gate sizeof (char *)); 6807c478bd9Sstevel@tonic-gate classes[num_classes - 1] = optarg; 6817c478bd9Sstevel@tonic-gate break; 68245916cd2Sjpk case 'd': 6837c478bd9Sstevel@tonic-gate if (daemon_mode == FALSE) { 68445916cd2Sjpk /* 68545916cd2Sjpk * Device allocation to be disabled. 68645916cd2Sjpk */ 68745916cd2Sjpk devalloc_flag = DA_OFF; 68845916cd2Sjpk build_dev = FALSE; 68945916cd2Sjpk } 69045916cd2Sjpk break; 69145916cd2Sjpk case 'e': 69245916cd2Sjpk if (daemon_mode == FALSE) { 69345916cd2Sjpk /* 69445916cd2Sjpk * Device allocation to be enabled. 69545916cd2Sjpk */ 69645916cd2Sjpk devalloc_flag = DA_ON; 6977c478bd9Sstevel@tonic-gate build_dev = FALSE; 6987c478bd9Sstevel@tonic-gate } 6997c478bd9Sstevel@tonic-gate break; 7007c478bd9Sstevel@tonic-gate case 'I': /* update kernel driver.conf cache */ 7017c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 7027c478bd9Sstevel@tonic-gate usage(); 7037c478bd9Sstevel@tonic-gate init_drvconf = 1; 7047c478bd9Sstevel@tonic-gate break; 7057c478bd9Sstevel@tonic-gate case 'i': 7067c478bd9Sstevel@tonic-gate single_drv = TRUE; 7077c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 7087c478bd9Sstevel@tonic-gate break; 7097c478bd9Sstevel@tonic-gate case 'l': 7107c478bd9Sstevel@tonic-gate /* specify an alternate module load path */ 7117c478bd9Sstevel@tonic-gate module_dirs = s_strdup(optarg); 7127c478bd9Sstevel@tonic-gate break; 713*facf4a8dSllai case 'm': 714*facf4a8dSllai load_devname_nsmaps = TRUE; 715*facf4a8dSllai break; 7167c478bd9Sstevel@tonic-gate case 'n': 7177c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 7187c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 7197c478bd9Sstevel@tonic-gate break; 7207c478bd9Sstevel@tonic-gate case 'p': 7217c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 7227c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 7237c478bd9Sstevel@tonic-gate break; 7247c478bd9Sstevel@tonic-gate case 'P': 7257c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 7267c478bd9Sstevel@tonic-gate usage(); 7277c478bd9Sstevel@tonic-gate /* load minor_perm and device_policy */ 7287c478bd9Sstevel@tonic-gate init_perm = 1; 7297c478bd9Sstevel@tonic-gate break; 7307c478bd9Sstevel@tonic-gate case 'R': 7317c478bd9Sstevel@tonic-gate /* 7327c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 7337c478bd9Sstevel@tonic-gate * device information on the installed root. 7347c478bd9Sstevel@tonic-gate */ 7357c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 7367c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 7377c478bd9Sstevel@tonic-gate break; 7387c478bd9Sstevel@tonic-gate case 'r': 739*facf4a8dSllai set_root_devices_dev_dir(optarg); 7407c478bd9Sstevel@tonic-gate break; 7417c478bd9Sstevel@tonic-gate case 's': 7427c478bd9Sstevel@tonic-gate /* 7437c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 7447c478bd9Sstevel@tonic-gate * useful with -v or -V 7457c478bd9Sstevel@tonic-gate */ 7467c478bd9Sstevel@tonic-gate file_mods = FALSE; 7477c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 7487c478bd9Sstevel@tonic-gate break; 749*facf4a8dSllai case 'S': 750*facf4a8dSllai if (daemon_mode == TRUE) 751*facf4a8dSllai usage(); 752*facf4a8dSllai init_sysavail = 1; 753*facf4a8dSllai break; 7547c478bd9Sstevel@tonic-gate case 't': 7557c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 7567c478bd9Sstevel@tonic-gate break; 7577c478bd9Sstevel@tonic-gate case 'v': 7587c478bd9Sstevel@tonic-gate /* documented verbose flag */ 7597c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 7607c478bd9Sstevel@tonic-gate break; 7617c478bd9Sstevel@tonic-gate case 'V': 7627c478bd9Sstevel@tonic-gate /* undocumented: specify verbose lvl */ 7637c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 7647c478bd9Sstevel@tonic-gate break; 7657c478bd9Sstevel@tonic-gate case 'x': 7667c478bd9Sstevel@tonic-gate /* 7677c478bd9Sstevel@tonic-gate * x is the "private switch" option. The 7687c478bd9Sstevel@tonic-gate * goal is to not suck up all the other 7697c478bd9Sstevel@tonic-gate * option letters. 7707c478bd9Sstevel@tonic-gate */ 7717c478bd9Sstevel@tonic-gate if (strcmp(optarg, "update_devlinksdb") == 0) { 7727c478bd9Sstevel@tonic-gate update_database = TRUE; 7737c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_dev") == 0) { 7747c478bd9Sstevel@tonic-gate /* don't build /dev */ 7757c478bd9Sstevel@tonic-gate build_dev = FALSE; 7767c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_devices") == 0) { 7777c478bd9Sstevel@tonic-gate /* don't build /devices */ 7787c478bd9Sstevel@tonic-gate build_devices = FALSE; 7797c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_p2i") == 0) { 7807c478bd9Sstevel@tonic-gate /* don't flush path_to_inst */ 7817c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 7827c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "use_dicache") == 0) { 7837c478bd9Sstevel@tonic-gate use_snapshot_cache = TRUE; 7847c478bd9Sstevel@tonic-gate } else { 7857c478bd9Sstevel@tonic-gate usage(); 7867c478bd9Sstevel@tonic-gate } 7877c478bd9Sstevel@tonic-gate break; 7887c478bd9Sstevel@tonic-gate default: 7897c478bd9Sstevel@tonic-gate usage(); 7907c478bd9Sstevel@tonic-gate break; 7917c478bd9Sstevel@tonic-gate } 7927c478bd9Sstevel@tonic-gate } 7937c478bd9Sstevel@tonic-gate if (optind < argc) { 7947c478bd9Sstevel@tonic-gate usage(); 7957c478bd9Sstevel@tonic-gate } 7967c478bd9Sstevel@tonic-gate 7977c478bd9Sstevel@tonic-gate /* 7987c478bd9Sstevel@tonic-gate * We're not in zone mode; Check to see if the rootpath 7997c478bd9Sstevel@tonic-gate * collides with any zonepaths. 8007c478bd9Sstevel@tonic-gate */ 8017c478bd9Sstevel@tonic-gate if (zonename == NULL) { 8027c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != DEVFSADM_SUCCESS) 8037c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8047c478bd9Sstevel@tonic-gate } 8057c478bd9Sstevel@tonic-gate 806*facf4a8dSllai if (init_drvconf || init_perm || init_sysavail) { 8077c478bd9Sstevel@tonic-gate /* 8087c478bd9Sstevel@tonic-gate * Load minor perm before force-loading drivers 8097c478bd9Sstevel@tonic-gate * so the correct permissions are picked up. 8107c478bd9Sstevel@tonic-gate */ 811*facf4a8dSllai if (init_perm) { 812*facf4a8dSllai check_reconfig_state(); 8137c478bd9Sstevel@tonic-gate load_dev_acl(); 814*facf4a8dSllai } 8157c478bd9Sstevel@tonic-gate if (init_drvconf) 8167c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 817*facf4a8dSllai if (init_sysavail) 818*facf4a8dSllai modctl_sysavail(); 8197c478bd9Sstevel@tonic-gate devfsadm_exit(0); 8207c478bd9Sstevel@tonic-gate /* NOTREACHED */ 8217c478bd9Sstevel@tonic-gate } 822*facf4a8dSllai 823*facf4a8dSllai if (load_devname_nsmaps == TRUE) { 824*facf4a8dSllai devname_setup_nsmaps(); 825*facf4a8dSllai devfsadm_exit(0); 826*facf4a8dSllai } 8277c478bd9Sstevel@tonic-gate } 8287c478bd9Sstevel@tonic-gate 8297c478bd9Sstevel@tonic-gate 8307c478bd9Sstevel@tonic-gate if (get_linkcompat_opts == TRUE) { 8317c478bd9Sstevel@tonic-gate 8327c478bd9Sstevel@tonic-gate build_devices = FALSE; 8337c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 8347c478bd9Sstevel@tonic-gate num_classes++; 8357c478bd9Sstevel@tonic-gate classes = s_realloc(classes, num_classes * 8367c478bd9Sstevel@tonic-gate sizeof (char *)); 8377c478bd9Sstevel@tonic-gate classes[num_classes - 1] = compat_class; 8387c478bd9Sstevel@tonic-gate 8397c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "Cnr:svV:")) != EOF) { 8407c478bd9Sstevel@tonic-gate switch (opt) { 8417c478bd9Sstevel@tonic-gate case 'C': 8427c478bd9Sstevel@tonic-gate cleanup = TRUE; 8437c478bd9Sstevel@tonic-gate break; 8447c478bd9Sstevel@tonic-gate case 'n': 8457c478bd9Sstevel@tonic-gate /* prevent driver loading or deferred attach */ 8467c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 8477c478bd9Sstevel@tonic-gate break; 8487c478bd9Sstevel@tonic-gate case 'r': 849*facf4a8dSllai set_root_devices_dev_dir(optarg); 8507c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 8517c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 8527c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8537c478bd9Sstevel@tonic-gate break; 8547c478bd9Sstevel@tonic-gate case 's': 8557c478bd9Sstevel@tonic-gate /* suppress. don't create/remove links/nodes */ 8567c478bd9Sstevel@tonic-gate /* useful with -v or -V */ 8577c478bd9Sstevel@tonic-gate file_mods = FALSE; 8587c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 8597c478bd9Sstevel@tonic-gate break; 8607c478bd9Sstevel@tonic-gate case 'v': 8617c478bd9Sstevel@tonic-gate /* documented verbose flag */ 8627c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 8637c478bd9Sstevel@tonic-gate break; 8647c478bd9Sstevel@tonic-gate case 'V': 8657c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 8667c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 8677c478bd9Sstevel@tonic-gate break; 8687c478bd9Sstevel@tonic-gate default: 8697c478bd9Sstevel@tonic-gate usage(); 8707c478bd9Sstevel@tonic-gate } 8717c478bd9Sstevel@tonic-gate } 8727c478bd9Sstevel@tonic-gate if (optind < argc) { 8737c478bd9Sstevel@tonic-gate usage(); 8747c478bd9Sstevel@tonic-gate } 8757c478bd9Sstevel@tonic-gate } 876*facf4a8dSllai set_lock_root(); 8777c478bd9Sstevel@tonic-gate } 8787c478bd9Sstevel@tonic-gate 8797c478bd9Sstevel@tonic-gate void 8807c478bd9Sstevel@tonic-gate usage(void) 8817c478bd9Sstevel@tonic-gate { 8827c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 8837c478bd9Sstevel@tonic-gate err_print(DEVLINKS_USAGE); 8847c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 8857c478bd9Sstevel@tonic-gate err_print(DRVCONFIG_USAGE); 8867c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 8877c478bd9Sstevel@tonic-gate (strcmp(prog, DEVFSADMD) == 0)) { 8887c478bd9Sstevel@tonic-gate err_print(DEVFSADM_USAGE); 8897c478bd9Sstevel@tonic-gate } else { 8907c478bd9Sstevel@tonic-gate err_print(COMPAT_LINK_USAGE); 8917c478bd9Sstevel@tonic-gate } 8927c478bd9Sstevel@tonic-gate 8937c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8947c478bd9Sstevel@tonic-gate } 8957c478bd9Sstevel@tonic-gate 8967c478bd9Sstevel@tonic-gate static void 8977c478bd9Sstevel@tonic-gate devi_tree_walk(struct dca_impl *dcip, int flags, char *ev_subclass) 8987c478bd9Sstevel@tonic-gate { 8997c478bd9Sstevel@tonic-gate char *msg, *name; 9007c478bd9Sstevel@tonic-gate struct mlist mlist = {0}; 9017c478bd9Sstevel@tonic-gate di_node_t node; 9027c478bd9Sstevel@tonic-gate 9037c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "devi_tree_walk: root=%s, minor=%s, driver=%s," 9047c478bd9Sstevel@tonic-gate " error=%d, flags=%u\n", dcip->dci_root, 9057c478bd9Sstevel@tonic-gate dcip->dci_minor ? dcip->dci_minor : "<NULL>", 9067c478bd9Sstevel@tonic-gate dcip->dci_driver ? dcip->dci_driver : "<NULL>", dcip->dci_error, 9077c478bd9Sstevel@tonic-gate dcip->dci_flags); 9087c478bd9Sstevel@tonic-gate 9097c478bd9Sstevel@tonic-gate assert(dcip->dci_root); 9107c478bd9Sstevel@tonic-gate 9117c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_LOAD_DRV) { 9127c478bd9Sstevel@tonic-gate node = di_init_driver(dcip->dci_driver, flags); 9137c478bd9Sstevel@tonic-gate msg = DRIVER_FAILURE; 9147c478bd9Sstevel@tonic-gate name = dcip->dci_driver; 9157c478bd9Sstevel@tonic-gate } else { 9167c478bd9Sstevel@tonic-gate node = di_init(dcip->dci_root, flags); 9177c478bd9Sstevel@tonic-gate msg = DI_INIT_FAILED; 9187c478bd9Sstevel@tonic-gate name = dcip->dci_root; 9197c478bd9Sstevel@tonic-gate } 9207c478bd9Sstevel@tonic-gate 9217c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 9227c478bd9Sstevel@tonic-gate dcip->dci_error = errno; 9237c478bd9Sstevel@tonic-gate /* 9247c478bd9Sstevel@tonic-gate * Rapid hotplugging (commonly seen during USB testing), 9257c478bd9Sstevel@tonic-gate * may remove a device before the create event for it 9267c478bd9Sstevel@tonic-gate * has been processed. To prevent alarming users with 9277c478bd9Sstevel@tonic-gate * a superfluous message, we suppress error messages 9287c478bd9Sstevel@tonic-gate * for ENXIO and hotplug. 9297c478bd9Sstevel@tonic-gate */ 9307c478bd9Sstevel@tonic-gate if (!(errno == ENXIO && (dcip->dci_flags & DCA_HOT_PLUG))) 9317c478bd9Sstevel@tonic-gate err_print(msg, name, strerror(dcip->dci_error)); 9327c478bd9Sstevel@tonic-gate return; 9337c478bd9Sstevel@tonic-gate } 9347c478bd9Sstevel@tonic-gate 9357c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_FLUSH_PATHINST) 9367c478bd9Sstevel@tonic-gate flush_path_to_inst(); 9377c478bd9Sstevel@tonic-gate 9387c478bd9Sstevel@tonic-gate dcip->dci_arg = &mlist; 9397c478bd9Sstevel@tonic-gate 9407c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "walking device tree\n"); 9417c478bd9Sstevel@tonic-gate 9427c478bd9Sstevel@tonic-gate (void) di_walk_minor(node, NULL, DI_CHECK_ALIAS, dcip, 9437c478bd9Sstevel@tonic-gate check_minor_type); 9447c478bd9Sstevel@tonic-gate 9457c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_CREATE_LINK); 9467c478bd9Sstevel@tonic-gate 9477c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 9487c478bd9Sstevel@tonic-gate 9497c478bd9Sstevel@tonic-gate /* 9507c478bd9Sstevel@tonic-gate * Finished creating devfs files and dev links. 9517c478bd9Sstevel@tonic-gate * Log sysevent and notify RCM. 9527c478bd9Sstevel@tonic-gate */ 9537c478bd9Sstevel@tonic-gate if (ev_subclass) 9547c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_ADD, ev_subclass, dcip->dci_root, 9557c478bd9Sstevel@tonic-gate node); 9567c478bd9Sstevel@tonic-gate 9577c478bd9Sstevel@tonic-gate if ((dcip->dci_flags & DCA_NOTIFY_RCM) && rcm_hdl) 9587c478bd9Sstevel@tonic-gate (void) notify_rcm(node, dcip->dci_minor); 9597c478bd9Sstevel@tonic-gate 96045916cd2Sjpk /* Add new device to device allocation database */ 96145916cd2Sjpk if (system_labeled && update_devdb) { 96245916cd2Sjpk _update_devalloc_db(&devlist, 0, DA_ADD, NULL, root_dir); 96345916cd2Sjpk update_devdb = 0; 96445916cd2Sjpk } 96545916cd2Sjpk 9667c478bd9Sstevel@tonic-gate di_fini(node); 9677c478bd9Sstevel@tonic-gate } 9687c478bd9Sstevel@tonic-gate 9697c478bd9Sstevel@tonic-gate static void 9707c478bd9Sstevel@tonic-gate process_deferred_links(struct dca_impl *dcip, int flags) 9717c478bd9Sstevel@tonic-gate { 9727c478bd9Sstevel@tonic-gate struct mlist *dep; 9737c478bd9Sstevel@tonic-gate struct minor *mp, *smp; 9747c478bd9Sstevel@tonic-gate 9757c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "processing deferred links\n"); 9767c478bd9Sstevel@tonic-gate 9777c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 9787c478bd9Sstevel@tonic-gate 9797c478bd9Sstevel@tonic-gate /* 9807c478bd9Sstevel@tonic-gate * The list head is not used during the deferred create phase 9817c478bd9Sstevel@tonic-gate */ 9827c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 9837c478bd9Sstevel@tonic-gate 9847c478bd9Sstevel@tonic-gate assert(dep); 9857c478bd9Sstevel@tonic-gate assert((dep->head == NULL) ^ (dep->tail != NULL)); 9867c478bd9Sstevel@tonic-gate assert(flags == DCA_FREE_LIST || flags == DCA_CREATE_LINK); 9877c478bd9Sstevel@tonic-gate 9887c478bd9Sstevel@tonic-gate for (smp = NULL, mp = dep->head; mp; mp = mp->next) { 9897c478bd9Sstevel@tonic-gate if (flags == DCA_CREATE_LINK) 9907c478bd9Sstevel@tonic-gate (void) check_minor_type(mp->node, mp->minor, dcip); 9917c478bd9Sstevel@tonic-gate free(smp); 9927c478bd9Sstevel@tonic-gate smp = mp; 9937c478bd9Sstevel@tonic-gate } 9947c478bd9Sstevel@tonic-gate 9957c478bd9Sstevel@tonic-gate free(smp); 9967c478bd9Sstevel@tonic-gate } 9977c478bd9Sstevel@tonic-gate 9987c478bd9Sstevel@tonic-gate /* 9997c478bd9Sstevel@tonic-gate * Called in non-daemon mode to take a snap shot of the devinfo tree. 10007c478bd9Sstevel@tonic-gate * Then it calls the appropriate functions to build /devices and /dev. 10017c478bd9Sstevel@tonic-gate * It also flushes path_to_inst. 10028c4f8890Srs * DINFOCACHE snapshot needs to be updated when devfsadm is run. 10038c4f8890Srs * This will only happen if the flags that devfsadm uses matches the flags 10048c4f8890Srs * that DINFOCACHE uses and that is why flags is set to 10058c4f8890Srs * DI_CACHE_SNAPSHOT_FLAGS. 10067c478bd9Sstevel@tonic-gate */ 10077c478bd9Sstevel@tonic-gate void 10087c478bd9Sstevel@tonic-gate process_devinfo_tree() 10097c478bd9Sstevel@tonic-gate { 10108c4f8890Srs uint_t flags = DI_CACHE_SNAPSHOT_FLAGS; 10117c478bd9Sstevel@tonic-gate struct dca_impl dci; 10127c478bd9Sstevel@tonic-gate char name[MAXNAMELEN]; 10137c478bd9Sstevel@tonic-gate char *fcn = "process_devinfo_tree: "; 10147c478bd9Sstevel@tonic-gate 10157c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 10167c478bd9Sstevel@tonic-gate 10177c478bd9Sstevel@tonic-gate dca_impl_init("/", NULL, &dci); 10187c478bd9Sstevel@tonic-gate 10197c478bd9Sstevel@tonic-gate lock_dev(); 10207c478bd9Sstevel@tonic-gate 10217c478bd9Sstevel@tonic-gate /* 10227c478bd9Sstevel@tonic-gate * Update kernel driver.conf cache when devfsadm/drvconfig 10237c478bd9Sstevel@tonic-gate * is invoked to build /devices and /dev. 10247c478bd9Sstevel@tonic-gate */ 10257c478bd9Sstevel@tonic-gate if (load_attach_drv == TRUE) 10267c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 10277c478bd9Sstevel@tonic-gate 10287c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 10297c478bd9Sstevel@tonic-gate /* 10307c478bd9Sstevel@tonic-gate * load a single driver, but walk the entire devinfo tree 10317c478bd9Sstevel@tonic-gate */ 10327c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE) 10337c478bd9Sstevel@tonic-gate err_print(DRV_LOAD_REQD); 10347c478bd9Sstevel@tonic-gate 10357c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching driver (%s)\n", fcn, driver); 10367c478bd9Sstevel@tonic-gate 10377c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_LOAD_DRV; 10387c478bd9Sstevel@tonic-gate (void) snprintf(name, sizeof (name), "%s", driver); 10397c478bd9Sstevel@tonic-gate dci.dci_driver = name; 10407c478bd9Sstevel@tonic-gate 10417c478bd9Sstevel@tonic-gate } else if (load_attach_drv == TRUE) { 10427c478bd9Sstevel@tonic-gate /* 104345916cd2Sjpk * Load and attach all drivers, then walk the entire tree. 10447c478bd9Sstevel@tonic-gate * If the cache flag is set, use DINFOCACHE to get cached 10457c478bd9Sstevel@tonic-gate * data. 10467c478bd9Sstevel@tonic-gate */ 10477c478bd9Sstevel@tonic-gate if (use_snapshot_cache == TRUE) { 10487c478bd9Sstevel@tonic-gate flags = DINFOCACHE; 10497c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%susing snapshot cache\n", fcn); 10507c478bd9Sstevel@tonic-gate } else { 10517c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching all drivers\n", fcn); 10527c478bd9Sstevel@tonic-gate flags |= DINFOFORCE; 10533c34adc5Sramat if (cleanup) { 10543c34adc5Sramat /* 10553c34adc5Sramat * remove dangling entries from /etc/devices 10563c34adc5Sramat * files. 10573c34adc5Sramat */ 10583c34adc5Sramat flags |= DINFOCLEANUP; 10593c34adc5Sramat } 10607c478bd9Sstevel@tonic-gate } 10617c478bd9Sstevel@tonic-gate } 10627c478bd9Sstevel@tonic-gate 10637c478bd9Sstevel@tonic-gate if (((load_attach_drv == TRUE) || (single_drv == TRUE)) && 10647c478bd9Sstevel@tonic-gate (build_devices == TRUE)) { 10657c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_FLUSH_PATHINST; 10667c478bd9Sstevel@tonic-gate } 10677c478bd9Sstevel@tonic-gate 10687c478bd9Sstevel@tonic-gate /* handle pre-cleanup operations desired by the modules. */ 10697c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_PRE); 10707c478bd9Sstevel@tonic-gate 10717c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, flags, NULL); 10727c478bd9Sstevel@tonic-gate 10737c478bd9Sstevel@tonic-gate if (dci.dci_error) { 10747c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10757c478bd9Sstevel@tonic-gate } 10767c478bd9Sstevel@tonic-gate 10777c478bd9Sstevel@tonic-gate /* handle post-cleanup operations desired by the modules. */ 10787c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_POST); 10797c478bd9Sstevel@tonic-gate 10807c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 10817c478bd9Sstevel@tonic-gate } 10827c478bd9Sstevel@tonic-gate 10837c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 10847c478bd9Sstevel@tonic-gate static void 10857c478bd9Sstevel@tonic-gate print_cache_signal(int signo) 10867c478bd9Sstevel@tonic-gate { 10877c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 10887c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 10897c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10907c478bd9Sstevel@tonic-gate } 10917c478bd9Sstevel@tonic-gate } 10927c478bd9Sstevel@tonic-gate 1093*facf4a8dSllai static void 1094*facf4a8dSllai revoke_lookup_door(void) 1095*facf4a8dSllai { 1096*facf4a8dSllai if (lookup_door_fd != -1) { 1097*facf4a8dSllai if (door_revoke(lookup_door_fd) == -1) { 1098*facf4a8dSllai err_print("door_revoke of %s failed - %s\n", 1099*facf4a8dSllai lookup_door_path, strerror(errno)); 1100*facf4a8dSllai } 1101*facf4a8dSllai } 1102*facf4a8dSllai } 1103*facf4a8dSllai 1104*facf4a8dSllai /*ARGSUSED*/ 1105*facf4a8dSllai static void 1106*facf4a8dSllai catch_exit(int signo) 1107*facf4a8dSllai { 1108*facf4a8dSllai revoke_lookup_door(); 1109*facf4a8dSllai } 1110*facf4a8dSllai 11117c478bd9Sstevel@tonic-gate /* 11127c478bd9Sstevel@tonic-gate * Register with eventd for messages. Create doors for synchronous 11137c478bd9Sstevel@tonic-gate * link creation. 11147c478bd9Sstevel@tonic-gate */ 11157c478bd9Sstevel@tonic-gate static void 11167c478bd9Sstevel@tonic-gate daemon_update(void) 11177c478bd9Sstevel@tonic-gate { 11187c478bd9Sstevel@tonic-gate int fd; 11197c478bd9Sstevel@tonic-gate char *fcn = "daemon_update: "; 11207c478bd9Sstevel@tonic-gate char door_file[MAXPATHLEN]; 11217c478bd9Sstevel@tonic-gate const char *subclass_list; 11227c478bd9Sstevel@tonic-gate sysevent_handle_t *sysevent_hp; 11237c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 11247c478bd9Sstevel@tonic-gate 11257c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 11267c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 11277c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11287c478bd9Sstevel@tonic-gate } 1129*facf4a8dSllai if (signal(SIGTERM, catch_exit) == SIG_ERR) { 1130*facf4a8dSllai err_print("signal SIGTERM failed: %s\n", strerror(errno)); 1131*facf4a8dSllai devfsadm_exit(1); 1132*facf4a8dSllai } 11337c478bd9Sstevel@tonic-gate 11347c478bd9Sstevel@tonic-gate if (snprintf(door_file, sizeof (door_file), 1135*facf4a8dSllai "%s%s", attr_root ? attr_root : root_dir, DEVFSADM_SERVICE_DOOR) 1136*facf4a8dSllai >= sizeof (door_file)) { 11377c478bd9Sstevel@tonic-gate err_print("update_daemon failed to open sysevent service " 11387c478bd9Sstevel@tonic-gate "door\n"); 11397c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11407c478bd9Sstevel@tonic-gate } 11417c478bd9Sstevel@tonic-gate if ((sysevent_hp = sysevent_open_channel_alt( 11427c478bd9Sstevel@tonic-gate door_file)) == NULL) { 11437c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11447c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11457c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11467c478bd9Sstevel@tonic-gate } 11477c478bd9Sstevel@tonic-gate if (sysevent_bind_subscriber(sysevent_hp, event_handler) != 0) { 11487c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11497c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11507c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 11517c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11527c478bd9Sstevel@tonic-gate } 11537c478bd9Sstevel@tonic-gate subclass_list = EC_SUB_ALL; 11547c478bd9Sstevel@tonic-gate if (sysevent_register_event(sysevent_hp, EC_ALL, &subclass_list, 1) 11557c478bd9Sstevel@tonic-gate != 0) { 11567c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11577c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11587c478bd9Sstevel@tonic-gate (void) sysevent_unbind_subscriber(sysevent_hp); 11597c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 11607c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11617c478bd9Sstevel@tonic-gate } 1162*facf4a8dSllai if (snprintf(door_file, sizeof (door_file), "%s/%s", 1163*facf4a8dSllai etc_dev_dir, DEVFSADM_SYNCH_DOOR) >= sizeof (door_file)) { 1164*facf4a8dSllai err_print(CANT_CREATE_DOOR, DEVFSADM_SYNCH_DOOR, 11657c478bd9Sstevel@tonic-gate strerror(ENAMETOOLONG)); 11667c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11677c478bd9Sstevel@tonic-gate } 1168*facf4a8dSllai 11697c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 1170*facf4a8dSllai if ((fd = open(door_file, O_RDWR | O_CREAT, SYNCH_DOOR_PERMS)) == -1) { 1171*facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 11727c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11737c478bd9Sstevel@tonic-gate } 11747c478bd9Sstevel@tonic-gate (void) close(fd); 1175*facf4a8dSllai 1176*facf4a8dSllai if ((fd = door_create(sync_handler, NULL, 11777c478bd9Sstevel@tonic-gate DOOR_REFUSE_DESC | DOOR_NO_CANCEL)) == -1) { 1178*facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 11797c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11807c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11817c478bd9Sstevel@tonic-gate } 1182*facf4a8dSllai 11837c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 1184*facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 11857c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11867c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11877c478bd9Sstevel@tonic-gate } 11887c478bd9Sstevel@tonic-gate 1189*facf4a8dSllai /* 1190*facf4a8dSllai * devname_lookup_door 1191*facf4a8dSllai */ 1192*facf4a8dSllai if (snprintf(door_file, sizeof (door_file), "%s/%s", 1193*facf4a8dSllai etc_dev_dir, DEVNAME_LOOKUP_DOOR) >= sizeof (door_file)) { 1194*facf4a8dSllai err_print(CANT_CREATE_DOOR, DEVNAME_LOOKUP_DOOR, 1195*facf4a8dSllai strerror(ENAMETOOLONG)); 1196*facf4a8dSllai devfsadm_exit(1); 1197*facf4a8dSllai } 11987c478bd9Sstevel@tonic-gate 11997c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 1200*facf4a8dSllai if ((fd = open(door_file, O_RDWR | O_CREAT, S_IRUSR|S_IWUSR)) == -1) { 12017c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12027c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12037c478bd9Sstevel@tonic-gate } 12047c478bd9Sstevel@tonic-gate (void) close(fd); 12057c478bd9Sstevel@tonic-gate 1206*facf4a8dSllai if ((fd = door_create(devname_lookup_handler, NULL, 1207*facf4a8dSllai DOOR_REFUSE_DESC)) == -1) { 12087c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12097c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12107c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12117c478bd9Sstevel@tonic-gate } 12127c478bd9Sstevel@tonic-gate 1213*facf4a8dSllai (void) fdetach(door_file); 1214*facf4a8dSllai lookup_door_path = s_strdup(door_file); 1215*facf4a8dSllai retry: 12167c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 1217*facf4a8dSllai if (errno == EBUSY) 1218*facf4a8dSllai goto retry; 12197c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12207c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12217c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12227c478bd9Sstevel@tonic-gate } 1223*facf4a8dSllai lookup_door_fd = fd; 12247c478bd9Sstevel@tonic-gate 1225*facf4a8dSllai /* pass down the door name to kernel for door_ki_open */ 1226*facf4a8dSllai if (devname_kcall(MODDEVNAME_LOOKUPDOOR, (void *)door_file) != 0) 1227*facf4a8dSllai err_print(DEVNAME_CONTACT_FAILED, strerror(errno)); 1228*facf4a8dSllai else 1229*facf4a8dSllai devname_setup_nsmaps(); 12307c478bd9Sstevel@tonic-gate 12317c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%spausing\n", fcn); 12327c478bd9Sstevel@tonic-gate for (;;) { 12337c478bd9Sstevel@tonic-gate (void) pause(); 12347c478bd9Sstevel@tonic-gate } 12357c478bd9Sstevel@tonic-gate } 12367c478bd9Sstevel@tonic-gate 12377c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 12387c478bd9Sstevel@tonic-gate static void 12397c478bd9Sstevel@tonic-gate sync_handler(void *cookie, char *ap, size_t asize, 12407c478bd9Sstevel@tonic-gate door_desc_t *dp, uint_t ndesc) 12417c478bd9Sstevel@tonic-gate { 12427c478bd9Sstevel@tonic-gate door_cred_t dcred; 12437c478bd9Sstevel@tonic-gate struct dca_off *dcp, rdca; 12447c478bd9Sstevel@tonic-gate struct dca_impl dci; 12457c478bd9Sstevel@tonic-gate 12467c478bd9Sstevel@tonic-gate /* 12477c478bd9Sstevel@tonic-gate * Must be root to make this call 12487c478bd9Sstevel@tonic-gate * If caller is not root, don't touch its data. 12497c478bd9Sstevel@tonic-gate */ 12507c478bd9Sstevel@tonic-gate if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 12517c478bd9Sstevel@tonic-gate dcp = ⤷ 12527c478bd9Sstevel@tonic-gate dcp->dca_error = EPERM; 12537c478bd9Sstevel@tonic-gate goto out; 12547c478bd9Sstevel@tonic-gate } 12557c478bd9Sstevel@tonic-gate 12567c478bd9Sstevel@tonic-gate assert(ap); 12577c478bd9Sstevel@tonic-gate assert(asize == sizeof (*dcp)); 12587c478bd9Sstevel@tonic-gate 12597c478bd9Sstevel@tonic-gate dcp = (void *)ap; 12607c478bd9Sstevel@tonic-gate 12617c478bd9Sstevel@tonic-gate /* 12627c478bd9Sstevel@tonic-gate * Root is always present and is the first component of "name" member 12637c478bd9Sstevel@tonic-gate */ 12647c478bd9Sstevel@tonic-gate assert(dcp->dca_root == 0); 12657c478bd9Sstevel@tonic-gate 12667c478bd9Sstevel@tonic-gate /* 12677c478bd9Sstevel@tonic-gate * The structure passed in by the door_client uses offsets 12687c478bd9Sstevel@tonic-gate * instead of pointers to work across address space boundaries. 12697c478bd9Sstevel@tonic-gate * Now copy the data into a structure (dca_impl) which uses 12707c478bd9Sstevel@tonic-gate * pointers. 12717c478bd9Sstevel@tonic-gate */ 12727c478bd9Sstevel@tonic-gate dci.dci_root = &dcp->dca_name[dcp->dca_root]; 12737c478bd9Sstevel@tonic-gate dci.dci_minor = dcp->dca_minor ? &dcp->dca_name[dcp->dca_minor] : NULL; 12747c478bd9Sstevel@tonic-gate dci.dci_driver = 12757c478bd9Sstevel@tonic-gate dcp->dca_driver ? &dcp->dca_name[dcp->dca_driver] : NULL; 12767c478bd9Sstevel@tonic-gate dci.dci_error = 0; 12777c478bd9Sstevel@tonic-gate dci.dci_flags = dcp->dca_flags | (dci.dci_driver ? DCA_LOAD_DRV : 0); 12787c478bd9Sstevel@tonic-gate dci.dci_arg = NULL; 12797c478bd9Sstevel@tonic-gate 12807c478bd9Sstevel@tonic-gate lock_dev(); 12817c478bd9Sstevel@tonic-gate 12827c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOCPYALL, NULL); 12837c478bd9Sstevel@tonic-gate 12847c478bd9Sstevel@tonic-gate unlock_dev(CACHE_STATE); 12857c478bd9Sstevel@tonic-gate 12867c478bd9Sstevel@tonic-gate dcp->dca_error = dci.dci_error; 12877c478bd9Sstevel@tonic-gate 12887c478bd9Sstevel@tonic-gate startup_cache_sync_thread(); 12897c478bd9Sstevel@tonic-gate 12907c478bd9Sstevel@tonic-gate out: 12917c478bd9Sstevel@tonic-gate (void) door_return((char *)dcp, sizeof (*dcp), NULL, 0); 12927c478bd9Sstevel@tonic-gate } 12937c478bd9Sstevel@tonic-gate 12947c478bd9Sstevel@tonic-gate static void 12957c478bd9Sstevel@tonic-gate lock_dev(void) 12967c478bd9Sstevel@tonic-gate { 12977c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "lock_dev(): entered\n"); 12987c478bd9Sstevel@tonic-gate 12997c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 13007c478bd9Sstevel@tonic-gate return; 13017c478bd9Sstevel@tonic-gate 13027c478bd9Sstevel@tonic-gate /* lockout other threads from /dev */ 13037c478bd9Sstevel@tonic-gate while (sema_wait(&dev_sema) != 0); 13047c478bd9Sstevel@tonic-gate 13057c478bd9Sstevel@tonic-gate /* 13067c478bd9Sstevel@tonic-gate * Lock out other devfsadm processes from /dev. 13077c478bd9Sstevel@tonic-gate * If this wasn't the last process to run, 13087c478bd9Sstevel@tonic-gate * clear caches 13097c478bd9Sstevel@tonic-gate */ 13107c478bd9Sstevel@tonic-gate if (enter_dev_lock() != getpid()) { 13117c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 13127c478bd9Sstevel@tonic-gate rm_all_links_from_cache(); 13137c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, DI_LINK_ERROR); 13147c478bd9Sstevel@tonic-gate devlink_cache = NULL; 13157c478bd9Sstevel@tonic-gate } 13167c478bd9Sstevel@tonic-gate 13177c478bd9Sstevel@tonic-gate /* 13187c478bd9Sstevel@tonic-gate * (re)load the reverse links database if not 13197c478bd9Sstevel@tonic-gate * already cached. 13207c478bd9Sstevel@tonic-gate */ 13217c478bd9Sstevel@tonic-gate if (devlink_cache == NULL) 13227c478bd9Sstevel@tonic-gate devlink_cache = di_devlink_open(root_dir, 0); 13237c478bd9Sstevel@tonic-gate 13247c478bd9Sstevel@tonic-gate /* 13257c478bd9Sstevel@tonic-gate * If modules were unloaded, reload them. Also use module status 13267c478bd9Sstevel@tonic-gate * as an indication that we should check to see if other binding 13277c478bd9Sstevel@tonic-gate * files need to be reloaded. 13287c478bd9Sstevel@tonic-gate */ 13297c478bd9Sstevel@tonic-gate if (module_head == NULL) { 13307c478bd9Sstevel@tonic-gate load_modules(); 13317c478bd9Sstevel@tonic-gate read_minor_perm_file(); 13327c478bd9Sstevel@tonic-gate read_driver_aliases_file(); 13337c478bd9Sstevel@tonic-gate read_devlinktab_file(); 13347c478bd9Sstevel@tonic-gate read_logindevperm_file(); 13357c478bd9Sstevel@tonic-gate } 13367c478bd9Sstevel@tonic-gate 13377c478bd9Sstevel@tonic-gate if (module_head != NULL) 13387c478bd9Sstevel@tonic-gate return; 13397c478bd9Sstevel@tonic-gate 13407c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 13417c478bd9Sstevel@tonic-gate if (devlinktab_list == NULL) { 13427c478bd9Sstevel@tonic-gate err_print(NO_LINKTAB, devlinktab_file); 13437c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 13447c478bd9Sstevel@tonic-gate err_print(ABORTING); 13457c478bd9Sstevel@tonic-gate devfsadm_exit(1); 13467c478bd9Sstevel@tonic-gate } 13477c478bd9Sstevel@tonic-gate } else { 13487c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 13497c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADM) == 0) { 13507c478bd9Sstevel@tonic-gate err_print(MODIFY_PATH); 13517c478bd9Sstevel@tonic-gate } 13527c478bd9Sstevel@tonic-gate } 13537c478bd9Sstevel@tonic-gate } 13547c478bd9Sstevel@tonic-gate 13557c478bd9Sstevel@tonic-gate static void 13567c478bd9Sstevel@tonic-gate unlock_dev(int flag) 13577c478bd9Sstevel@tonic-gate { 13587c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "unlock_dev(): entered\n"); 13597c478bd9Sstevel@tonic-gate 13607c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 13617c478bd9Sstevel@tonic-gate return; 13627c478bd9Sstevel@tonic-gate 13637c478bd9Sstevel@tonic-gate assert(devlink_cache); 13647c478bd9Sstevel@tonic-gate assert(flag == SYNC_STATE || flag == CACHE_STATE); 13657c478bd9Sstevel@tonic-gate 13667c478bd9Sstevel@tonic-gate 13677c478bd9Sstevel@tonic-gate if (flag == SYNC_STATE) { 13687c478bd9Sstevel@tonic-gate unload_modules(); 13697c478bd9Sstevel@tonic-gate if (update_database) 13707c478bd9Sstevel@tonic-gate (void) di_devlink_update(devlink_cache); 13717c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 13727c478bd9Sstevel@tonic-gate devlink_cache = NULL; 13737c478bd9Sstevel@tonic-gate } 13747c478bd9Sstevel@tonic-gate 13757c478bd9Sstevel@tonic-gate exit_dev_lock(); 13767c478bd9Sstevel@tonic-gate 13777c478bd9Sstevel@tonic-gate (void) sema_post(&dev_sema); 13787c478bd9Sstevel@tonic-gate } 13797c478bd9Sstevel@tonic-gate 13807c478bd9Sstevel@tonic-gate /* 13817c478bd9Sstevel@tonic-gate * Check that if -r is set, it is not any part of a zone--- that is, that 13827c478bd9Sstevel@tonic-gate * the zonepath is not a substring of the root path. 13837c478bd9Sstevel@tonic-gate */ 13847c478bd9Sstevel@tonic-gate static int 13857c478bd9Sstevel@tonic-gate zone_pathcheck(char *checkpath) 13867c478bd9Sstevel@tonic-gate { 13877c478bd9Sstevel@tonic-gate void *dlhdl = NULL; 13887c478bd9Sstevel@tonic-gate char *name; 13897c478bd9Sstevel@tonic-gate char root[MAXPATHLEN]; /* resolved devfsadm root path */ 13907c478bd9Sstevel@tonic-gate char zroot[MAXPATHLEN]; /* zone root path */ 13917c478bd9Sstevel@tonic-gate char rzroot[MAXPATHLEN]; /* resolved zone root path */ 1392*facf4a8dSllai char tmp[MAXPATHLEN]; 13937c478bd9Sstevel@tonic-gate FILE *cookie; 13947c478bd9Sstevel@tonic-gate int err = DEVFSADM_SUCCESS; 13957c478bd9Sstevel@tonic-gate 13967c478bd9Sstevel@tonic-gate if (checkpath[0] == '\0') 13977c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 13987c478bd9Sstevel@tonic-gate 13997c478bd9Sstevel@tonic-gate /* 14007c478bd9Sstevel@tonic-gate * Check if zones is available on this system. 14017c478bd9Sstevel@tonic-gate */ 14027c478bd9Sstevel@tonic-gate if ((dlhdl = dlopen(LIBZONECFG_PATH, RTLD_LAZY)) == NULL) { 14037c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 14047c478bd9Sstevel@tonic-gate } 14057c478bd9Sstevel@tonic-gate 14067c478bd9Sstevel@tonic-gate bzero(root, sizeof (root)); 14077c478bd9Sstevel@tonic-gate if (resolvepath(checkpath, root, sizeof (root) - 1) == -1) { 14087c478bd9Sstevel@tonic-gate /* 1409*facf4a8dSllai * In this case the user has done "devfsadm -r" on some path 14107c478bd9Sstevel@tonic-gate * which does not yet exist, or we got some other misc. error. 14117c478bd9Sstevel@tonic-gate * We punt and don't resolve the path in this case. 14127c478bd9Sstevel@tonic-gate */ 14137c478bd9Sstevel@tonic-gate (void) strlcpy(root, checkpath, sizeof (root)); 14147c478bd9Sstevel@tonic-gate } 14157c478bd9Sstevel@tonic-gate 14167c478bd9Sstevel@tonic-gate if (strlen(root) > 0 && (root[strlen(root) - 1] != '/')) { 14177c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", root); 14187c478bd9Sstevel@tonic-gate (void) strlcpy(root, tmp, sizeof (root)); 14197c478bd9Sstevel@tonic-gate } 14207c478bd9Sstevel@tonic-gate 14217c478bd9Sstevel@tonic-gate cookie = setzoneent(); 14227c478bd9Sstevel@tonic-gate while ((name = getzoneent(cookie)) != NULL) { 14237c478bd9Sstevel@tonic-gate /* Skip the global zone */ 14247c478bd9Sstevel@tonic-gate if (strcmp(name, GLOBAL_ZONENAME) == 0) { 14257c478bd9Sstevel@tonic-gate free(name); 14267c478bd9Sstevel@tonic-gate continue; 14277c478bd9Sstevel@tonic-gate } 14287c478bd9Sstevel@tonic-gate 14297c478bd9Sstevel@tonic-gate if (zone_get_zonepath(name, zroot, sizeof (zroot)) != Z_OK) { 14307c478bd9Sstevel@tonic-gate free(name); 14317c478bd9Sstevel@tonic-gate continue; 14327c478bd9Sstevel@tonic-gate } 14337c478bd9Sstevel@tonic-gate 14347c478bd9Sstevel@tonic-gate bzero(rzroot, sizeof (rzroot)); 14357c478bd9Sstevel@tonic-gate if (resolvepath(zroot, rzroot, sizeof (rzroot) - 1) == -1) { 14367c478bd9Sstevel@tonic-gate /* 14377c478bd9Sstevel@tonic-gate * Zone path doesn't exist, or other misc error, 14387c478bd9Sstevel@tonic-gate * so we try using the non-resolved pathname. 14397c478bd9Sstevel@tonic-gate */ 14407c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, zroot, sizeof (rzroot)); 14417c478bd9Sstevel@tonic-gate } 14427c478bd9Sstevel@tonic-gate if (strlen(rzroot) > 0 && (rzroot[strlen(rzroot) - 1] != '/')) { 14437c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", rzroot); 14447c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, tmp, sizeof (rzroot)); 14457c478bd9Sstevel@tonic-gate } 14467c478bd9Sstevel@tonic-gate 14477c478bd9Sstevel@tonic-gate /* 14487c478bd9Sstevel@tonic-gate * Finally, the comparison. If the zone root path is a 14497c478bd9Sstevel@tonic-gate * leading substring of the root path, fail. 14507c478bd9Sstevel@tonic-gate */ 14517c478bd9Sstevel@tonic-gate if (strncmp(rzroot, root, strlen(rzroot)) == 0) { 14527c478bd9Sstevel@tonic-gate err_print(ZONE_PATHCHECK, root, name); 14537c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 14547c478bd9Sstevel@tonic-gate free(name); 14557c478bd9Sstevel@tonic-gate break; 14567c478bd9Sstevel@tonic-gate } 14577c478bd9Sstevel@tonic-gate free(name); 14587c478bd9Sstevel@tonic-gate } 14597c478bd9Sstevel@tonic-gate endzoneent(cookie); 14607c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 14617c478bd9Sstevel@tonic-gate return (err); 14627c478bd9Sstevel@tonic-gate } 14637c478bd9Sstevel@tonic-gate 14647c478bd9Sstevel@tonic-gate /* 14657c478bd9Sstevel@tonic-gate * Called by the daemon when it receives an event from the devfsadm SLM 14667c478bd9Sstevel@tonic-gate * to syseventd. 14677c478bd9Sstevel@tonic-gate * 14687c478bd9Sstevel@tonic-gate * The devfsadm SLM uses a private event channel for communication to 14697c478bd9Sstevel@tonic-gate * devfsadmd set-up via private libsysevent interfaces. This handler is 14707c478bd9Sstevel@tonic-gate * used to bind to the devfsadmd channel for event delivery. 14717c478bd9Sstevel@tonic-gate * The devfsadmd SLM insures single calls to this routine as well as 14727c478bd9Sstevel@tonic-gate * synchronized event delivery. 14737c478bd9Sstevel@tonic-gate * 14747c478bd9Sstevel@tonic-gate */ 14757c478bd9Sstevel@tonic-gate static void 14767c478bd9Sstevel@tonic-gate event_handler(sysevent_t *ev) 14777c478bd9Sstevel@tonic-gate { 14787c478bd9Sstevel@tonic-gate char *path; 14797c478bd9Sstevel@tonic-gate char *minor; 14807c478bd9Sstevel@tonic-gate char *subclass; 14817c478bd9Sstevel@tonic-gate char *dev_ev_subclass; 14827c478bd9Sstevel@tonic-gate char *driver_name; 14837c478bd9Sstevel@tonic-gate nvlist_t *attr_list = NULL; 14847c478bd9Sstevel@tonic-gate int err = 0; 14857c478bd9Sstevel@tonic-gate int instance; 14867c478bd9Sstevel@tonic-gate int branch_event = 0; 14877c478bd9Sstevel@tonic-gate 14887c478bd9Sstevel@tonic-gate subclass = sysevent_get_subclass_name(ev); 14897c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: %s id:0X%llx\n", 14907c478bd9Sstevel@tonic-gate subclass, sysevent_get_seq(ev)); 14917c478bd9Sstevel@tonic-gate 1492*facf4a8dSllai if (strcmp(subclass, ESC_DEVFS_START) == 0) { 1493*facf4a8dSllai return; 1494*facf4a8dSllai } 1495*facf4a8dSllai 14967c478bd9Sstevel@tonic-gate /* Check if event is an instance modification */ 14977c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_INSTANCE_MOD) == 0) { 14987c478bd9Sstevel@tonic-gate devfs_instance_mod(); 14997c478bd9Sstevel@tonic-gate return; 15007c478bd9Sstevel@tonic-gate } 15017c478bd9Sstevel@tonic-gate if (sysevent_get_attr_list(ev, &attr_list) != 0) { 15027c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: can not get attr list\n"); 15037c478bd9Sstevel@tonic-gate return; 15047c478bd9Sstevel@tonic-gate } 15057c478bd9Sstevel@tonic-gate 15067c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_DEVI_ADD) == 0 || 15077c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_DEVI_REMOVE) == 0 || 15087c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_CREATE) == 0 || 15097c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_REMOVE) == 0) { 15107c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, DEVFS_PATHNAME, 15117c478bd9Sstevel@tonic-gate &path)) != 0) 15127c478bd9Sstevel@tonic-gate goto out; 15137c478bd9Sstevel@tonic-gate 15147c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_DEVI_ADD) == 0 || 15157c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_DEVI_REMOVE) == 0) { 15167c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_DEVI_CLASS, 15177c478bd9Sstevel@tonic-gate &dev_ev_subclass) != 0) 15187c478bd9Sstevel@tonic-gate dev_ev_subclass = NULL; 15197c478bd9Sstevel@tonic-gate 15207c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_DRIVER_NAME, 15217c478bd9Sstevel@tonic-gate &driver_name) != 0) 15227c478bd9Sstevel@tonic-gate driver_name = NULL; 15237c478bd9Sstevel@tonic-gate 15247c478bd9Sstevel@tonic-gate if (nvlist_lookup_int32(attr_list, DEVFS_INSTANCE, 15257c478bd9Sstevel@tonic-gate &instance) != 0) 15267c478bd9Sstevel@tonic-gate instance = -1; 15277c478bd9Sstevel@tonic-gate 15287c478bd9Sstevel@tonic-gate if (nvlist_lookup_int32(attr_list, DEVFS_BRANCH_EVENT, 15297c478bd9Sstevel@tonic-gate &branch_event) != 0) 15307c478bd9Sstevel@tonic-gate branch_event = 0; 15317c478bd9Sstevel@tonic-gate 15327c478bd9Sstevel@tonic-gate } else { 15337c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_MINOR_NAME, 15347c478bd9Sstevel@tonic-gate &minor) != 0) 15357c478bd9Sstevel@tonic-gate minor = NULL; 15367c478bd9Sstevel@tonic-gate } 15377c478bd9Sstevel@tonic-gate 15387c478bd9Sstevel@tonic-gate lock_dev(); 15397c478bd9Sstevel@tonic-gate 15407c478bd9Sstevel@tonic-gate if (strcmp(ESC_DEVFS_DEVI_ADD, subclass) == 0) { 15417c478bd9Sstevel@tonic-gate add_minor_pathname(path, NULL, dev_ev_subclass); 15427c478bd9Sstevel@tonic-gate if (branch_event) { 15437c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, 15447c478bd9Sstevel@tonic-gate ESC_DEV_BRANCH_ADD, path, DI_NODE_NIL); 15457c478bd9Sstevel@tonic-gate } 15467c478bd9Sstevel@tonic-gate 15477c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_CREATE, subclass) == 0) { 15487c478bd9Sstevel@tonic-gate add_minor_pathname(path, minor, NULL); 15497c478bd9Sstevel@tonic-gate 15507c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_REMOVE, subclass) == 0) { 15517c478bd9Sstevel@tonic-gate hot_cleanup(path, minor, NULL, NULL, -1); 15527c478bd9Sstevel@tonic-gate 15537c478bd9Sstevel@tonic-gate } else { /* ESC_DEVFS_DEVI_REMOVE */ 15547c478bd9Sstevel@tonic-gate hot_cleanup(path, NULL, dev_ev_subclass, 15557c478bd9Sstevel@tonic-gate driver_name, instance); 15567c478bd9Sstevel@tonic-gate if (branch_event) { 15577c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, 15587c478bd9Sstevel@tonic-gate ESC_DEV_BRANCH_REMOVE, path, DI_NODE_NIL); 15597c478bd9Sstevel@tonic-gate } 15607c478bd9Sstevel@tonic-gate } 15617c478bd9Sstevel@tonic-gate 15627c478bd9Sstevel@tonic-gate unlock_dev(CACHE_STATE); 15637c478bd9Sstevel@tonic-gate startup_cache_sync_thread(); 15647c478bd9Sstevel@tonic-gate 15657c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0 || 15667c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_BRANCH_REMOVE) == 0) { 15677c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, 15687c478bd9Sstevel@tonic-gate DEVFS_PATHNAME, &path)) != 0) 15697c478bd9Sstevel@tonic-gate goto out; 15707c478bd9Sstevel@tonic-gate 15717c478bd9Sstevel@tonic-gate /* just log ESC_DEV_BRANCH... event */ 15727c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0) 15737c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_ADD; 15747c478bd9Sstevel@tonic-gate else 15757c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_REMOVE; 15767c478bd9Sstevel@tonic-gate 1577d2596142Scth lock_dev(); 15787c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, dev_ev_subclass, path, 15797c478bd9Sstevel@tonic-gate DI_NODE_NIL); 1580d2596142Scth unlock_dev(CACHE_STATE); 1581d2596142Scth startup_cache_sync_thread(); 15827c478bd9Sstevel@tonic-gate } else 15837c478bd9Sstevel@tonic-gate err_print(UNKNOWN_EVENT, subclass); 15847c478bd9Sstevel@tonic-gate 15857c478bd9Sstevel@tonic-gate out: 15867c478bd9Sstevel@tonic-gate if (err) 15877c478bd9Sstevel@tonic-gate err_print(EVENT_ATTR_LOOKUP_FAILED, strerror(err)); 15887c478bd9Sstevel@tonic-gate nvlist_free(attr_list); 15897c478bd9Sstevel@tonic-gate } 15907c478bd9Sstevel@tonic-gate 15917c478bd9Sstevel@tonic-gate static void 15927c478bd9Sstevel@tonic-gate dca_impl_init(char *root, char *minor, struct dca_impl *dcip) 15937c478bd9Sstevel@tonic-gate { 15947c478bd9Sstevel@tonic-gate assert(root); 15957c478bd9Sstevel@tonic-gate 15967c478bd9Sstevel@tonic-gate dcip->dci_root = root; 15977c478bd9Sstevel@tonic-gate dcip->dci_minor = minor; 15987c478bd9Sstevel@tonic-gate dcip->dci_driver = NULL; 15997c478bd9Sstevel@tonic-gate dcip->dci_error = 0; 16007c478bd9Sstevel@tonic-gate dcip->dci_flags = 0; 16017c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 16027c478bd9Sstevel@tonic-gate } 16037c478bd9Sstevel@tonic-gate 16047c478bd9Sstevel@tonic-gate /* 16057c478bd9Sstevel@tonic-gate * Kernel logs a message when a devinfo node is attached. Try to create 16067c478bd9Sstevel@tonic-gate * /dev and /devices for each minor node. minorname can be NULL. 16077c478bd9Sstevel@tonic-gate */ 16087c478bd9Sstevel@tonic-gate void 16097c478bd9Sstevel@tonic-gate add_minor_pathname(char *node, char *minor, char *ev_subclass) 16107c478bd9Sstevel@tonic-gate { 16117c478bd9Sstevel@tonic-gate struct dca_impl dci; 16127c478bd9Sstevel@tonic-gate 16137c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "add_minor_pathname: node_path=%s minor=%s\n", 16147c478bd9Sstevel@tonic-gate node, minor ? minor : "NULL"); 16157c478bd9Sstevel@tonic-gate 16167c478bd9Sstevel@tonic-gate dca_impl_init(node, minor, &dci); 16177c478bd9Sstevel@tonic-gate 16187c478bd9Sstevel@tonic-gate /* 16197c478bd9Sstevel@tonic-gate * Restrict hotplug link creation if daemon 16207c478bd9Sstevel@tonic-gate * started with -i option. 16217c478bd9Sstevel@tonic-gate */ 16227c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 16237c478bd9Sstevel@tonic-gate dci.dci_driver = driver; 16247c478bd9Sstevel@tonic-gate } 16257c478bd9Sstevel@tonic-gate 16267c478bd9Sstevel@tonic-gate /* 16277c478bd9Sstevel@tonic-gate * We are being invoked in response to a hotplug 16287c478bd9Sstevel@tonic-gate * event. Also, notify RCM if nodetype indicates 16297c478bd9Sstevel@tonic-gate * a network device has been hotplugged. 16307c478bd9Sstevel@tonic-gate */ 16317c478bd9Sstevel@tonic-gate dci.dci_flags = DCA_HOT_PLUG | DCA_CHECK_TYPE; 16327c478bd9Sstevel@tonic-gate 16337c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOPROP|DINFOMINOR, ev_subclass); 16347c478bd9Sstevel@tonic-gate } 16357c478bd9Sstevel@tonic-gate 16367c478bd9Sstevel@tonic-gate static di_node_t 16377c478bd9Sstevel@tonic-gate find_clone_node() 16387c478bd9Sstevel@tonic-gate { 16397c478bd9Sstevel@tonic-gate static di_node_t clone_node = DI_NODE_NIL; 16407c478bd9Sstevel@tonic-gate 16417c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) 16427c478bd9Sstevel@tonic-gate clone_node = di_init("/pseudo/clone@0", DINFOPROP); 16437c478bd9Sstevel@tonic-gate return (clone_node); 16447c478bd9Sstevel@tonic-gate } 16457c478bd9Sstevel@tonic-gate 16467c478bd9Sstevel@tonic-gate static int 16477c478bd9Sstevel@tonic-gate is_descendent_of(di_node_t node, char *driver) 16487c478bd9Sstevel@tonic-gate { 16497c478bd9Sstevel@tonic-gate while (node != DI_NODE_NIL) { 16507c478bd9Sstevel@tonic-gate char *drv = di_driver_name(node); 16517c478bd9Sstevel@tonic-gate if (strcmp(drv, driver) == 0) 16527c478bd9Sstevel@tonic-gate return (1); 16537c478bd9Sstevel@tonic-gate node = di_parent_node(node); 16547c478bd9Sstevel@tonic-gate } 16557c478bd9Sstevel@tonic-gate return (0); 16567c478bd9Sstevel@tonic-gate } 16577c478bd9Sstevel@tonic-gate 16587c478bd9Sstevel@tonic-gate /* 16597c478bd9Sstevel@tonic-gate * Checks the minor type. If it is an alias node, then lookup 16607c478bd9Sstevel@tonic-gate * the real node/minor first, then call minor_process() to 16617c478bd9Sstevel@tonic-gate * do the real work. 16627c478bd9Sstevel@tonic-gate */ 16637c478bd9Sstevel@tonic-gate static int 16647c478bd9Sstevel@tonic-gate check_minor_type(di_node_t node, di_minor_t minor, void *arg) 16657c478bd9Sstevel@tonic-gate { 16667c478bd9Sstevel@tonic-gate ddi_minor_type minor_type; 16677c478bd9Sstevel@tonic-gate di_node_t clone_node; 16687c478bd9Sstevel@tonic-gate char *mn; 16697c478bd9Sstevel@tonic-gate char *nt; 16707c478bd9Sstevel@tonic-gate struct mlist *dep; 16717c478bd9Sstevel@tonic-gate struct dca_impl *dcip = arg; 16727c478bd9Sstevel@tonic-gate 16737c478bd9Sstevel@tonic-gate assert(dcip); 16747c478bd9Sstevel@tonic-gate 16757c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 16767c478bd9Sstevel@tonic-gate 16777c478bd9Sstevel@tonic-gate mn = di_minor_name(minor); 16787c478bd9Sstevel@tonic-gate 16797c478bd9Sstevel@tonic-gate /* 16807c478bd9Sstevel@tonic-gate * We match driver here instead of in minor_process 16817c478bd9Sstevel@tonic-gate * as we want the actual driver name. This check is 16827c478bd9Sstevel@tonic-gate * unnecessary during deferred processing. 16837c478bd9Sstevel@tonic-gate */ 16847c478bd9Sstevel@tonic-gate if (dep && 16857c478bd9Sstevel@tonic-gate ((dcip->dci_driver && !is_descendent_of(node, dcip->dci_driver)) || 16867c478bd9Sstevel@tonic-gate (dcip->dci_minor && strcmp(mn, dcip->dci_minor)))) { 16877c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 16887c478bd9Sstevel@tonic-gate } 16897c478bd9Sstevel@tonic-gate 16907c478bd9Sstevel@tonic-gate if ((dcip->dci_flags & DCA_CHECK_TYPE) && 16917c478bd9Sstevel@tonic-gate (nt = di_minor_nodetype(minor)) && 1692210db224Sericheng (strcmp(nt, DDI_NT_NET) == 0)) { 16937c478bd9Sstevel@tonic-gate dcip->dci_flags |= DCA_NOTIFY_RCM; 16947c478bd9Sstevel@tonic-gate dcip->dci_flags &= ~DCA_CHECK_TYPE; 16957c478bd9Sstevel@tonic-gate } 16967c478bd9Sstevel@tonic-gate 16977c478bd9Sstevel@tonic-gate minor_type = di_minor_type(minor); 16987c478bd9Sstevel@tonic-gate 16997c478bd9Sstevel@tonic-gate if (minor_type == DDM_MINOR) { 17007c478bd9Sstevel@tonic-gate minor_process(node, minor, dep); 17017c478bd9Sstevel@tonic-gate 17027c478bd9Sstevel@tonic-gate } else if (minor_type == DDM_ALIAS) { 17037c478bd9Sstevel@tonic-gate struct mlist *cdep, clone_del = {0}; 17047c478bd9Sstevel@tonic-gate 17057c478bd9Sstevel@tonic-gate clone_node = find_clone_node(); 17067c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) { 17077c478bd9Sstevel@tonic-gate err_print(DI_INIT_FAILED, "clone", strerror(errno)); 17087c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 17097c478bd9Sstevel@tonic-gate } 17107c478bd9Sstevel@tonic-gate 17117c478bd9Sstevel@tonic-gate cdep = dep ? &clone_del : NULL; 17127c478bd9Sstevel@tonic-gate 17137c478bd9Sstevel@tonic-gate minor_process(clone_node, minor, cdep); 17147c478bd9Sstevel@tonic-gate 17157c478bd9Sstevel@tonic-gate /* 17167c478bd9Sstevel@tonic-gate * cache "alias" minor node and free "clone" minor 17177c478bd9Sstevel@tonic-gate */ 17187c478bd9Sstevel@tonic-gate if (cdep != NULL && cdep->head != NULL) { 17197c478bd9Sstevel@tonic-gate assert(cdep->tail != NULL); 17207c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 17217c478bd9Sstevel@tonic-gate dcip->dci_arg = cdep; 17227c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_FREE_LIST); 17237c478bd9Sstevel@tonic-gate dcip->dci_arg = dep; 17247c478bd9Sstevel@tonic-gate } 17257c478bd9Sstevel@tonic-gate } 17267c478bd9Sstevel@tonic-gate 17277c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 17287c478bd9Sstevel@tonic-gate } 17297c478bd9Sstevel@tonic-gate 17307c478bd9Sstevel@tonic-gate 17317c478bd9Sstevel@tonic-gate /* 17327c478bd9Sstevel@tonic-gate * This is the entry point for each minor node, whether walking 17337c478bd9Sstevel@tonic-gate * the entire tree via di_walk_minor() or processing a hotplug event 17347c478bd9Sstevel@tonic-gate * for a single devinfo node (via hotplug ndi_devi_online()). 17357c478bd9Sstevel@tonic-gate */ 17367c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 17377c478bd9Sstevel@tonic-gate static void 17387c478bd9Sstevel@tonic-gate minor_process(di_node_t node, di_minor_t minor, struct mlist *dep) 17397c478bd9Sstevel@tonic-gate { 17407c478bd9Sstevel@tonic-gate create_list_t *create; 17417c478bd9Sstevel@tonic-gate int defer; 17427c478bd9Sstevel@tonic-gate 17437c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: node=%s, minor=%s\n", 17447c478bd9Sstevel@tonic-gate di_node_name(node), di_minor_name(minor)); 17457c478bd9Sstevel@tonic-gate 17467c478bd9Sstevel@tonic-gate if (dep != NULL) { 17477c478bd9Sstevel@tonic-gate 17487c478bd9Sstevel@tonic-gate /* 17497c478bd9Sstevel@tonic-gate * Reset /devices node to minor_perm perm/ownership 17507c478bd9Sstevel@tonic-gate * if we are here to deactivate device allocation 17517c478bd9Sstevel@tonic-gate */ 17527c478bd9Sstevel@tonic-gate if (build_devices == TRUE) { 17537c478bd9Sstevel@tonic-gate reset_node_permissions(node, minor); 17547c478bd9Sstevel@tonic-gate } 17557c478bd9Sstevel@tonic-gate 17567c478bd9Sstevel@tonic-gate if (build_dev == FALSE) { 17577c478bd9Sstevel@tonic-gate return; 17587c478bd9Sstevel@tonic-gate } 17597c478bd9Sstevel@tonic-gate 17607c478bd9Sstevel@tonic-gate /* 17617c478bd9Sstevel@tonic-gate * This function will create any nodes for /etc/devlink.tab. 17627c478bd9Sstevel@tonic-gate * If devlink.tab handles link creation, we don't call any 17637c478bd9Sstevel@tonic-gate * devfsadm modules since that could cause duplicate caching 17647c478bd9Sstevel@tonic-gate * in the enumerate functions if different re strings are 17657c478bd9Sstevel@tonic-gate * passed that are logically identical. I'm still not 17667c478bd9Sstevel@tonic-gate * convinced this would cause any harm, but better to be safe. 17677c478bd9Sstevel@tonic-gate * 17687c478bd9Sstevel@tonic-gate * Deferred processing is available only for devlinks 17697c478bd9Sstevel@tonic-gate * created through devfsadm modules. 17707c478bd9Sstevel@tonic-gate */ 17717c478bd9Sstevel@tonic-gate if (process_devlink_compat(minor, node) == TRUE) { 17727c478bd9Sstevel@tonic-gate return; 17737c478bd9Sstevel@tonic-gate } 17747c478bd9Sstevel@tonic-gate } else { 17757c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: deferred processing\n"); 17767c478bd9Sstevel@tonic-gate } 17777c478bd9Sstevel@tonic-gate 17787c478bd9Sstevel@tonic-gate /* 17797c478bd9Sstevel@tonic-gate * look for relevant link create rules in the modules, and 17807c478bd9Sstevel@tonic-gate * invoke the link create callback function to build a link 17817c478bd9Sstevel@tonic-gate * if there is a match. 17827c478bd9Sstevel@tonic-gate */ 17837c478bd9Sstevel@tonic-gate defer = 0; 17847c478bd9Sstevel@tonic-gate for (create = create_head; create != NULL; create = create->next) { 17857c478bd9Sstevel@tonic-gate if ((minor_matches_rule(node, minor, create) == TRUE) && 17867c478bd9Sstevel@tonic-gate class_ok(create->create->device_class) == 17877c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) { 17887c478bd9Sstevel@tonic-gate if (call_minor_init(create->modptr) == 17897c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 17907c478bd9Sstevel@tonic-gate continue; 17917c478bd9Sstevel@tonic-gate } 17927c478bd9Sstevel@tonic-gate 17937c478bd9Sstevel@tonic-gate /* 17947c478bd9Sstevel@tonic-gate * If NOT doing the deferred creates (i.e. 1st pass) and 17957c478bd9Sstevel@tonic-gate * rule requests deferred processing cache the minor 17967c478bd9Sstevel@tonic-gate * data. 17977c478bd9Sstevel@tonic-gate * 17987c478bd9Sstevel@tonic-gate * If deferred processing (2nd pass), create links 17997c478bd9Sstevel@tonic-gate * ONLY if rule requests deferred processing. 18007c478bd9Sstevel@tonic-gate */ 18017c478bd9Sstevel@tonic-gate if (dep && ((create->create->flags & CREATE_MASK) == 18027c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 18037c478bd9Sstevel@tonic-gate defer = 1; 18047c478bd9Sstevel@tonic-gate continue; 18057c478bd9Sstevel@tonic-gate } else if (dep == NULL && 18067c478bd9Sstevel@tonic-gate ((create->create->flags & CREATE_MASK) != 18077c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 18087c478bd9Sstevel@tonic-gate continue; 18097c478bd9Sstevel@tonic-gate } 18107c478bd9Sstevel@tonic-gate 18117c478bd9Sstevel@tonic-gate if ((*(create->create->callback_fcn)) 18127c478bd9Sstevel@tonic-gate (minor, node) == DEVFSADM_TERMINATE) { 18137c478bd9Sstevel@tonic-gate break; 18147c478bd9Sstevel@tonic-gate } 18157c478bd9Sstevel@tonic-gate } 18167c478bd9Sstevel@tonic-gate } 18177c478bd9Sstevel@tonic-gate 18187c478bd9Sstevel@tonic-gate if (defer) 18197c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 18207c478bd9Sstevel@tonic-gate } 18217c478bd9Sstevel@tonic-gate 18227c478bd9Sstevel@tonic-gate 18237c478bd9Sstevel@tonic-gate /* 18247c478bd9Sstevel@tonic-gate * Cache node and minor in defer list. 18257c478bd9Sstevel@tonic-gate */ 18267c478bd9Sstevel@tonic-gate static void 18277c478bd9Sstevel@tonic-gate cache_deferred_minor( 18287c478bd9Sstevel@tonic-gate struct mlist *dep, 18297c478bd9Sstevel@tonic-gate di_node_t node, 18307c478bd9Sstevel@tonic-gate di_minor_t minor) 18317c478bd9Sstevel@tonic-gate { 18327c478bd9Sstevel@tonic-gate struct minor *mp; 18337c478bd9Sstevel@tonic-gate const char *fcn = "cache_deferred_minor"; 18347c478bd9Sstevel@tonic-gate 18357c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s node=%s, minor=%s\n", fcn, 18367c478bd9Sstevel@tonic-gate di_node_name(node), di_minor_name(minor)); 18377c478bd9Sstevel@tonic-gate 18387c478bd9Sstevel@tonic-gate if (dep == NULL) { 18397c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: cannot cache during " 18407c478bd9Sstevel@tonic-gate "deferred processing. Ignoring minor\n", fcn); 18417c478bd9Sstevel@tonic-gate return; 18427c478bd9Sstevel@tonic-gate } 18437c478bd9Sstevel@tonic-gate 18447c478bd9Sstevel@tonic-gate mp = (struct minor *)s_zalloc(sizeof (struct minor)); 18457c478bd9Sstevel@tonic-gate mp->node = node; 18467c478bd9Sstevel@tonic-gate mp->minor = minor; 18477c478bd9Sstevel@tonic-gate mp->next = NULL; 18487c478bd9Sstevel@tonic-gate 18497c478bd9Sstevel@tonic-gate assert(dep->head == NULL || dep->tail != NULL); 18507c478bd9Sstevel@tonic-gate if (dep->head == NULL) { 18517c478bd9Sstevel@tonic-gate dep->head = mp; 18527c478bd9Sstevel@tonic-gate } else { 18537c478bd9Sstevel@tonic-gate dep->tail->next = mp; 18547c478bd9Sstevel@tonic-gate } 18557c478bd9Sstevel@tonic-gate dep->tail = mp; 18567c478bd9Sstevel@tonic-gate } 18577c478bd9Sstevel@tonic-gate 18587c478bd9Sstevel@tonic-gate /* 18597c478bd9Sstevel@tonic-gate * Check to see if "create" link creation rule matches this node/minor. 18607c478bd9Sstevel@tonic-gate * If it does, return TRUE. 18617c478bd9Sstevel@tonic-gate */ 18627c478bd9Sstevel@tonic-gate static int 18637c478bd9Sstevel@tonic-gate minor_matches_rule(di_node_t node, di_minor_t minor, create_list_t *create) 18647c478bd9Sstevel@tonic-gate { 18657c478bd9Sstevel@tonic-gate char *m_nodetype, *m_drvname; 18667c478bd9Sstevel@tonic-gate 18677c478bd9Sstevel@tonic-gate if (create->create->node_type != NULL) { 18687c478bd9Sstevel@tonic-gate 18697c478bd9Sstevel@tonic-gate m_nodetype = di_minor_nodetype(minor); 18707c478bd9Sstevel@tonic-gate assert(m_nodetype != NULL); 18717c478bd9Sstevel@tonic-gate 18727c478bd9Sstevel@tonic-gate switch (create->create->flags & TYPE_MASK) { 18737c478bd9Sstevel@tonic-gate case TYPE_EXACT: 18747c478bd9Sstevel@tonic-gate if (strcmp(create->create->node_type, m_nodetype) != 18757c478bd9Sstevel@tonic-gate 0) { 18767c478bd9Sstevel@tonic-gate return (FALSE); 18777c478bd9Sstevel@tonic-gate } 18787c478bd9Sstevel@tonic-gate break; 18797c478bd9Sstevel@tonic-gate case TYPE_PARTIAL: 18807c478bd9Sstevel@tonic-gate if (strncmp(create->create->node_type, m_nodetype, 18817c478bd9Sstevel@tonic-gate strlen(create->create->node_type)) != 0) { 18827c478bd9Sstevel@tonic-gate return (FALSE); 18837c478bd9Sstevel@tonic-gate } 18847c478bd9Sstevel@tonic-gate break; 18857c478bd9Sstevel@tonic-gate case TYPE_RE: 18867c478bd9Sstevel@tonic-gate if (regexec(&(create->node_type_comp), m_nodetype, 18877c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 18887c478bd9Sstevel@tonic-gate return (FALSE); 18897c478bd9Sstevel@tonic-gate } 18907c478bd9Sstevel@tonic-gate break; 18917c478bd9Sstevel@tonic-gate } 18927c478bd9Sstevel@tonic-gate } 18937c478bd9Sstevel@tonic-gate 18947c478bd9Sstevel@tonic-gate if (create->create->drv_name != NULL) { 18957c478bd9Sstevel@tonic-gate m_drvname = di_driver_name(node); 18967c478bd9Sstevel@tonic-gate switch (create->create->flags & DRV_MASK) { 18977c478bd9Sstevel@tonic-gate case DRV_EXACT: 18987c478bd9Sstevel@tonic-gate if (strcmp(create->create->drv_name, m_drvname) != 0) { 18997c478bd9Sstevel@tonic-gate return (FALSE); 19007c478bd9Sstevel@tonic-gate } 19017c478bd9Sstevel@tonic-gate break; 19027c478bd9Sstevel@tonic-gate case DRV_RE: 19037c478bd9Sstevel@tonic-gate if (regexec(&(create->drv_name_comp), m_drvname, 19047c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 19057c478bd9Sstevel@tonic-gate return (FALSE); 19067c478bd9Sstevel@tonic-gate } 19077c478bd9Sstevel@tonic-gate break; 19087c478bd9Sstevel@tonic-gate } 19097c478bd9Sstevel@tonic-gate } 19107c478bd9Sstevel@tonic-gate 19117c478bd9Sstevel@tonic-gate return (TRUE); 19127c478bd9Sstevel@tonic-gate } 19137c478bd9Sstevel@tonic-gate 19147c478bd9Sstevel@tonic-gate /* 19157c478bd9Sstevel@tonic-gate * If no classes were given on the command line, then return DEVFSADM_SUCCESS. 19167c478bd9Sstevel@tonic-gate * Otherwise, return DEVFSADM_SUCCESS if the device "class" from the module 19177c478bd9Sstevel@tonic-gate * matches one of the device classes given on the command line, 19187c478bd9Sstevel@tonic-gate * otherwise, return DEVFSADM_FAILURE. 19197c478bd9Sstevel@tonic-gate */ 19207c478bd9Sstevel@tonic-gate static int 19217c478bd9Sstevel@tonic-gate class_ok(char *class) 19227c478bd9Sstevel@tonic-gate { 19237c478bd9Sstevel@tonic-gate int i; 19247c478bd9Sstevel@tonic-gate 19257c478bd9Sstevel@tonic-gate if (num_classes == 0) { 19267c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 19277c478bd9Sstevel@tonic-gate } 19287c478bd9Sstevel@tonic-gate 19297c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 19307c478bd9Sstevel@tonic-gate if (strcmp(class, classes[i]) == 0) { 19317c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 19327c478bd9Sstevel@tonic-gate } 19337c478bd9Sstevel@tonic-gate } 19347c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 19357c478bd9Sstevel@tonic-gate } 19367c478bd9Sstevel@tonic-gate 19377c478bd9Sstevel@tonic-gate /* 19387c478bd9Sstevel@tonic-gate * call minor_fini on active modules, then unload ALL modules 19397c478bd9Sstevel@tonic-gate */ 19407c478bd9Sstevel@tonic-gate static void 19417c478bd9Sstevel@tonic-gate unload_modules(void) 19427c478bd9Sstevel@tonic-gate { 19437c478bd9Sstevel@tonic-gate module_t *module_free; 19447c478bd9Sstevel@tonic-gate create_list_t *create_free; 19457c478bd9Sstevel@tonic-gate remove_list_t *remove_free; 19467c478bd9Sstevel@tonic-gate 19477c478bd9Sstevel@tonic-gate while (create_head != NULL) { 19487c478bd9Sstevel@tonic-gate create_free = create_head; 19497c478bd9Sstevel@tonic-gate create_head = create_head->next; 19507c478bd9Sstevel@tonic-gate 19517c478bd9Sstevel@tonic-gate if ((create_free->create->flags & TYPE_RE) == TYPE_RE) { 19527c478bd9Sstevel@tonic-gate regfree(&(create_free->node_type_comp)); 19537c478bd9Sstevel@tonic-gate } 19547c478bd9Sstevel@tonic-gate if ((create_free->create->flags & DRV_RE) == DRV_RE) { 19557c478bd9Sstevel@tonic-gate regfree(&(create_free->drv_name_comp)); 19567c478bd9Sstevel@tonic-gate } 19577c478bd9Sstevel@tonic-gate free(create_free); 19587c478bd9Sstevel@tonic-gate } 19597c478bd9Sstevel@tonic-gate 19607c478bd9Sstevel@tonic-gate while (remove_head != NULL) { 19617c478bd9Sstevel@tonic-gate remove_free = remove_head; 19627c478bd9Sstevel@tonic-gate remove_head = remove_head->next; 19637c478bd9Sstevel@tonic-gate free(remove_free); 19647c478bd9Sstevel@tonic-gate } 19657c478bd9Sstevel@tonic-gate 19667c478bd9Sstevel@tonic-gate while (module_head != NULL) { 19677c478bd9Sstevel@tonic-gate 19687c478bd9Sstevel@tonic-gate if ((module_head->minor_fini != NULL) && 19697c478bd9Sstevel@tonic-gate ((module_head->flags & MODULE_ACTIVE) == MODULE_ACTIVE)) { 19707c478bd9Sstevel@tonic-gate (void) (*(module_head->minor_fini))(); 19717c478bd9Sstevel@tonic-gate } 19727c478bd9Sstevel@tonic-gate 19737c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "unloading module %s\n", module_head->name); 19747c478bd9Sstevel@tonic-gate free(module_head->name); 19757c478bd9Sstevel@tonic-gate (void) dlclose(module_head->dlhandle); 19767c478bd9Sstevel@tonic-gate 19777c478bd9Sstevel@tonic-gate module_free = module_head; 19787c478bd9Sstevel@tonic-gate module_head = module_head->next; 19797c478bd9Sstevel@tonic-gate free(module_free); 19807c478bd9Sstevel@tonic-gate } 19817c478bd9Sstevel@tonic-gate } 19827c478bd9Sstevel@tonic-gate 19837c478bd9Sstevel@tonic-gate /* 19847c478bd9Sstevel@tonic-gate * Load devfsadm logical link processing modules. 19857c478bd9Sstevel@tonic-gate */ 19867c478bd9Sstevel@tonic-gate static void 19877c478bd9Sstevel@tonic-gate load_modules(void) 19887c478bd9Sstevel@tonic-gate { 19897c478bd9Sstevel@tonic-gate DIR *mod_dir; 19904bc0a2efScasper struct dirent *entp; 19917c478bd9Sstevel@tonic-gate char cdir[PATH_MAX + 1]; 19927c478bd9Sstevel@tonic-gate char *last; 19937c478bd9Sstevel@tonic-gate char *mdir = module_dirs; 19947c478bd9Sstevel@tonic-gate char *fcn = "load_modules: "; 19957c478bd9Sstevel@tonic-gate 19967c478bd9Sstevel@tonic-gate while (*mdir != '\0') { 19977c478bd9Sstevel@tonic-gate 19987c478bd9Sstevel@tonic-gate while (*mdir == ':') { 19997c478bd9Sstevel@tonic-gate mdir++; 20007c478bd9Sstevel@tonic-gate } 20017c478bd9Sstevel@tonic-gate 20027c478bd9Sstevel@tonic-gate if (*mdir == '\0') { 20037c478bd9Sstevel@tonic-gate continue; 20047c478bd9Sstevel@tonic-gate } 20057c478bd9Sstevel@tonic-gate 20067c478bd9Sstevel@tonic-gate last = strchr(mdir, ':'); 20077c478bd9Sstevel@tonic-gate 20087c478bd9Sstevel@tonic-gate if (last == NULL) { 20097c478bd9Sstevel@tonic-gate last = mdir + strlen(mdir); 20107c478bd9Sstevel@tonic-gate } 20117c478bd9Sstevel@tonic-gate 20127c478bd9Sstevel@tonic-gate (void) strncpy(cdir, mdir, last - mdir); 20137c478bd9Sstevel@tonic-gate cdir[last - mdir] = '\0'; 20147c478bd9Sstevel@tonic-gate mdir += strlen(cdir); 20157c478bd9Sstevel@tonic-gate 20167c478bd9Sstevel@tonic-gate if ((mod_dir = opendir(cdir)) == NULL) { 20177c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sopendir(%s): %s\n", 20187c478bd9Sstevel@tonic-gate fcn, cdir, strerror(errno)); 20197c478bd9Sstevel@tonic-gate continue; 20207c478bd9Sstevel@tonic-gate } 20217c478bd9Sstevel@tonic-gate 20224bc0a2efScasper while ((entp = readdir(mod_dir)) != NULL) { 20237c478bd9Sstevel@tonic-gate 20247c478bd9Sstevel@tonic-gate if ((strcmp(entp->d_name, ".") == 0) || 20257c478bd9Sstevel@tonic-gate (strcmp(entp->d_name, "..") == 0)) { 20267c478bd9Sstevel@tonic-gate continue; 20277c478bd9Sstevel@tonic-gate } 20287c478bd9Sstevel@tonic-gate 20297c478bd9Sstevel@tonic-gate load_module(entp->d_name, cdir); 20307c478bd9Sstevel@tonic-gate } 20317c478bd9Sstevel@tonic-gate s_closedir(mod_dir); 20327c478bd9Sstevel@tonic-gate } 20337c478bd9Sstevel@tonic-gate } 20347c478bd9Sstevel@tonic-gate 20357c478bd9Sstevel@tonic-gate static void 20367c478bd9Sstevel@tonic-gate load_module(char *mname, char *cdir) 20377c478bd9Sstevel@tonic-gate { 20387c478bd9Sstevel@tonic-gate _devfsadm_create_reg_t *create_reg; 20397c478bd9Sstevel@tonic-gate _devfsadm_remove_reg_t *remove_reg; 20407c478bd9Sstevel@tonic-gate create_list_t *create_list_element; 20417c478bd9Sstevel@tonic-gate create_list_t **create_list_next; 20427c478bd9Sstevel@tonic-gate remove_list_t *remove_list_element; 20437c478bd9Sstevel@tonic-gate remove_list_t **remove_list_next; 20447c478bd9Sstevel@tonic-gate char epath[PATH_MAX + 1], *end; 20457c478bd9Sstevel@tonic-gate char *fcn = "load_module: "; 20467c478bd9Sstevel@tonic-gate char *dlerrstr; 20477c478bd9Sstevel@tonic-gate void *dlhandle; 20487c478bd9Sstevel@tonic-gate module_t *module; 20497c478bd9Sstevel@tonic-gate int n; 20507c478bd9Sstevel@tonic-gate int i; 20517c478bd9Sstevel@tonic-gate 20527c478bd9Sstevel@tonic-gate /* ignore any file which does not end in '.so' */ 20537c478bd9Sstevel@tonic-gate if ((end = strstr(mname, MODULE_SUFFIX)) != NULL) { 20547c478bd9Sstevel@tonic-gate if (end[strlen(MODULE_SUFFIX)] != '\0') { 20557c478bd9Sstevel@tonic-gate return; 20567c478bd9Sstevel@tonic-gate } 20577c478bd9Sstevel@tonic-gate } else { 20587c478bd9Sstevel@tonic-gate return; 20597c478bd9Sstevel@tonic-gate } 20607c478bd9Sstevel@tonic-gate 20617c478bd9Sstevel@tonic-gate (void) snprintf(epath, sizeof (epath), "%s/%s", cdir, mname); 20627c478bd9Sstevel@tonic-gate 20637c478bd9Sstevel@tonic-gate if ((dlhandle = dlopen(epath, RTLD_LAZY)) == NULL) { 20647c478bd9Sstevel@tonic-gate dlerrstr = dlerror(); 20657c478bd9Sstevel@tonic-gate err_print(DLOPEN_FAILED, epath, 20667c478bd9Sstevel@tonic-gate dlerrstr ? dlerrstr : "unknown error"); 20677c478bd9Sstevel@tonic-gate return; 20687c478bd9Sstevel@tonic-gate } 20697c478bd9Sstevel@tonic-gate 20707c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_create_reg structure */ 20717c478bd9Sstevel@tonic-gate if (NULL == (create_reg = (_devfsadm_create_reg_t *) 20727c478bd9Sstevel@tonic-gate dlsym(dlhandle, _DEVFSADM_CREATE_REG))) { 20737c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): symbol not found\n", epath, 20747c478bd9Sstevel@tonic-gate _DEVFSADM_CREATE_REG); 20757c478bd9Sstevel@tonic-gate } else { 20767c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sdlsym(%s, %s) succeeded\n", 20777c478bd9Sstevel@tonic-gate fcn, epath, _DEVFSADM_CREATE_REG); 20787c478bd9Sstevel@tonic-gate } 20797c478bd9Sstevel@tonic-gate 20807c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_remove_reg structure */ 20817c478bd9Sstevel@tonic-gate if (NULL == (remove_reg = (_devfsadm_remove_reg_t *) 20827c478bd9Sstevel@tonic-gate dlsym(dlhandle, _DEVFSADM_REMOVE_REG))) { 20837c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s,\n\t%s): symbol not found\n", 20847c478bd9Sstevel@tonic-gate epath, _DEVFSADM_REMOVE_REG); 20857c478bd9Sstevel@tonic-gate } else { 20867c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): succeeded\n", 20877c478bd9Sstevel@tonic-gate epath, _DEVFSADM_REMOVE_REG); 20887c478bd9Sstevel@tonic-gate } 20897c478bd9Sstevel@tonic-gate 20907c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "module %s loaded\n", epath); 20917c478bd9Sstevel@tonic-gate 20927c478bd9Sstevel@tonic-gate module = (module_t *)s_malloc(sizeof (module_t)); 20937c478bd9Sstevel@tonic-gate module->name = s_strdup(epath); 20947c478bd9Sstevel@tonic-gate module->dlhandle = dlhandle; 20957c478bd9Sstevel@tonic-gate 20967c478bd9Sstevel@tonic-gate /* dlsym other module functions, to be called later */ 20977c478bd9Sstevel@tonic-gate module->minor_fini = (int (*)())dlsym(dlhandle, MINOR_FINI); 20987c478bd9Sstevel@tonic-gate module->minor_init = (int (*)())dlsym(dlhandle, MINOR_INIT); 20997c478bd9Sstevel@tonic-gate module->flags = 0; 21007c478bd9Sstevel@tonic-gate 21017c478bd9Sstevel@tonic-gate /* 21027c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_create on "create_head" 21037c478bd9Sstevel@tonic-gate * list sorted in interpose_lvl. 21047c478bd9Sstevel@tonic-gate */ 21057c478bd9Sstevel@tonic-gate if (create_reg != NULL) { 21067c478bd9Sstevel@tonic-gate for (i = 0; i < create_reg->count; i++) { 21077c478bd9Sstevel@tonic-gate int flags = create_reg->tblp[i].flags; 21087c478bd9Sstevel@tonic-gate 21097c478bd9Sstevel@tonic-gate create_list_element = (create_list_t *) 21107c478bd9Sstevel@tonic-gate s_malloc(sizeof (create_list_t)); 21117c478bd9Sstevel@tonic-gate 21127c478bd9Sstevel@tonic-gate create_list_element->create = &(create_reg->tblp[i]); 21137c478bd9Sstevel@tonic-gate create_list_element->modptr = module; 21147c478bd9Sstevel@tonic-gate 21157c478bd9Sstevel@tonic-gate if (((flags & CREATE_MASK) != 0) && 21167c478bd9Sstevel@tonic-gate ((flags & CREATE_MASK) != CREATE_DEFER)) { 21177c478bd9Sstevel@tonic-gate free(create_list_element); 21187c478bd9Sstevel@tonic-gate err_print("illegal flag combination in " 21197c478bd9Sstevel@tonic-gate "module create\n"); 21207c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21217c478bd9Sstevel@tonic-gate continue; 21227c478bd9Sstevel@tonic-gate } 21237c478bd9Sstevel@tonic-gate 21247c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) == 0) ^ 21257c478bd9Sstevel@tonic-gate (create_reg->tblp[i].node_type == NULL)) { 21267c478bd9Sstevel@tonic-gate free(create_list_element); 21277c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 21287c478bd9Sstevel@tonic-gate "node_type value in module create\n"); 21297c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21307c478bd9Sstevel@tonic-gate continue; 21317c478bd9Sstevel@tonic-gate } 21327c478bd9Sstevel@tonic-gate 21337c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) != 0) && 21347c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_EXACT) && 21357c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_RE) && 21367c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_PARTIAL)) { 21377c478bd9Sstevel@tonic-gate free(create_list_element); 21387c478bd9Sstevel@tonic-gate err_print("illegal TYPE_* flag combination in " 21397c478bd9Sstevel@tonic-gate "module create\n"); 21407c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21417c478bd9Sstevel@tonic-gate continue; 21427c478bd9Sstevel@tonic-gate } 21437c478bd9Sstevel@tonic-gate 21447c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 21457c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 21467c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 21477c478bd9Sstevel@tonic-gate node_type_comp), 21487c478bd9Sstevel@tonic-gate create_reg->tblp[i].node_type, 21497c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 21507c478bd9Sstevel@tonic-gate free(create_list_element); 21517c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 21527c478bd9Sstevel@tonic-gate create_reg->tblp[i].node_type, 21537c478bd9Sstevel@tonic-gate n); 21547c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21557c478bd9Sstevel@tonic-gate continue; 21567c478bd9Sstevel@tonic-gate } 21577c478bd9Sstevel@tonic-gate } 21587c478bd9Sstevel@tonic-gate 21597c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) == 0) ^ 21607c478bd9Sstevel@tonic-gate (create_reg->tblp[i].drv_name == NULL)) { 21617c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 21627c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 21637c478bd9Sstevel@tonic-gate node_type_comp)); 21647c478bd9Sstevel@tonic-gate } 21657c478bd9Sstevel@tonic-gate free(create_list_element); 21667c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 21677c478bd9Sstevel@tonic-gate "drv_name value in module create\n"); 21687c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21697c478bd9Sstevel@tonic-gate continue; 21707c478bd9Sstevel@tonic-gate } 21717c478bd9Sstevel@tonic-gate 21727c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) != 0) && 21737c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_EXACT) && 21747c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_RE)) { 21757c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 21767c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 21777c478bd9Sstevel@tonic-gate node_type_comp)); 21787c478bd9Sstevel@tonic-gate } 21797c478bd9Sstevel@tonic-gate free(create_list_element); 21807c478bd9Sstevel@tonic-gate err_print("illegal DRV_* flag combination in " 21817c478bd9Sstevel@tonic-gate "module create\n"); 21827c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21837c478bd9Sstevel@tonic-gate continue; 21847c478bd9Sstevel@tonic-gate } 21857c478bd9Sstevel@tonic-gate 21867c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 21877c478bd9Sstevel@tonic-gate if ((create_reg->tblp[i].flags & DRV_RE) == DRV_RE) { 21887c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 21897c478bd9Sstevel@tonic-gate drv_name_comp), 21907c478bd9Sstevel@tonic-gate create_reg->tblp[i].drv_name, 21917c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 21927c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 21937c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 21947c478bd9Sstevel@tonic-gate node_type_comp)); 21957c478bd9Sstevel@tonic-gate } 21967c478bd9Sstevel@tonic-gate free(create_list_element); 21977c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 21987c478bd9Sstevel@tonic-gate create_reg->tblp[i].drv_name, 21997c478bd9Sstevel@tonic-gate n); 22007c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22017c478bd9Sstevel@tonic-gate continue; 22027c478bd9Sstevel@tonic-gate } 22037c478bd9Sstevel@tonic-gate } 22047c478bd9Sstevel@tonic-gate 22057c478bd9Sstevel@tonic-gate 22067c478bd9Sstevel@tonic-gate /* add to list sorted by interpose level */ 22077c478bd9Sstevel@tonic-gate for (create_list_next = &(create_head); 22087c478bd9Sstevel@tonic-gate (*create_list_next != NULL) && 22097c478bd9Sstevel@tonic-gate (*create_list_next)->create->interpose_lvl >= 22107c478bd9Sstevel@tonic-gate create_list_element->create->interpose_lvl; 22117c478bd9Sstevel@tonic-gate create_list_next = 22127c478bd9Sstevel@tonic-gate &((*create_list_next)->next)); 22137c478bd9Sstevel@tonic-gate create_list_element->next = *create_list_next; 22147c478bd9Sstevel@tonic-gate *create_list_next = create_list_element; 22157c478bd9Sstevel@tonic-gate } 22167c478bd9Sstevel@tonic-gate } 22177c478bd9Sstevel@tonic-gate 22187c478bd9Sstevel@tonic-gate /* 22197c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_remove on "remove_head" 22207c478bd9Sstevel@tonic-gate * list sorted by interpose_lvl. 22217c478bd9Sstevel@tonic-gate */ 22227c478bd9Sstevel@tonic-gate if (remove_reg != NULL) { 22237c478bd9Sstevel@tonic-gate for (i = 0; i < remove_reg->count; i++) { 22247c478bd9Sstevel@tonic-gate 22257c478bd9Sstevel@tonic-gate remove_list_element = (remove_list_t *) 22267c478bd9Sstevel@tonic-gate s_malloc(sizeof (remove_list_t)); 22277c478bd9Sstevel@tonic-gate 22287c478bd9Sstevel@tonic-gate remove_list_element->remove = &(remove_reg->tblp[i]); 22297c478bd9Sstevel@tonic-gate remove_list_element->modptr = module; 22307c478bd9Sstevel@tonic-gate 22317c478bd9Sstevel@tonic-gate for (remove_list_next = &(remove_head); 22327c478bd9Sstevel@tonic-gate (*remove_list_next != NULL) && 22337c478bd9Sstevel@tonic-gate (*remove_list_next)->remove->interpose_lvl >= 22347c478bd9Sstevel@tonic-gate remove_list_element->remove->interpose_lvl; 22357c478bd9Sstevel@tonic-gate remove_list_next = 22367c478bd9Sstevel@tonic-gate &((*remove_list_next)->next)); 22377c478bd9Sstevel@tonic-gate remove_list_element->next = *remove_list_next; 22387c478bd9Sstevel@tonic-gate *remove_list_next = remove_list_element; 22397c478bd9Sstevel@tonic-gate } 22407c478bd9Sstevel@tonic-gate } 22417c478bd9Sstevel@tonic-gate 22427c478bd9Sstevel@tonic-gate module->next = module_head; 22437c478bd9Sstevel@tonic-gate module_head = module; 22447c478bd9Sstevel@tonic-gate } 22457c478bd9Sstevel@tonic-gate 22467c478bd9Sstevel@tonic-gate /* 22477c478bd9Sstevel@tonic-gate * Create a thread to call minor_fini after some delay 22487c478bd9Sstevel@tonic-gate */ 22497c478bd9Sstevel@tonic-gate static void 22507c478bd9Sstevel@tonic-gate startup_cache_sync_thread() 22517c478bd9Sstevel@tonic-gate { 22527c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "startup_cache_sync_thread\n"); 22537c478bd9Sstevel@tonic-gate 22547c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 22557c478bd9Sstevel@tonic-gate 22567c478bd9Sstevel@tonic-gate minor_fini_delay_restart = TRUE; 22577c478bd9Sstevel@tonic-gate 22587c478bd9Sstevel@tonic-gate if (minor_fini_thread_created == FALSE) { 22597c478bd9Sstevel@tonic-gate 22607c478bd9Sstevel@tonic-gate if (thr_create(NULL, NULL, 22617c478bd9Sstevel@tonic-gate (void *(*)(void *))call_minor_fini_thread, NULL, 22627c478bd9Sstevel@tonic-gate THR_DETACHED, NULL)) { 22637c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "minor_fini", 22647c478bd9Sstevel@tonic-gate strerror(errno)); 22657c478bd9Sstevel@tonic-gate 22667c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 22677c478bd9Sstevel@tonic-gate 22687c478bd9Sstevel@tonic-gate /* 22697c478bd9Sstevel@tonic-gate * just sync state here instead of 22707c478bd9Sstevel@tonic-gate * giving up 22717c478bd9Sstevel@tonic-gate */ 22727c478bd9Sstevel@tonic-gate lock_dev(); 22737c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 22747c478bd9Sstevel@tonic-gate 22757c478bd9Sstevel@tonic-gate return; 22767c478bd9Sstevel@tonic-gate } 22777c478bd9Sstevel@tonic-gate minor_fini_thread_created = TRUE; 22787c478bd9Sstevel@tonic-gate } else { 22797c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "restarting delay\n"); 22807c478bd9Sstevel@tonic-gate } 22817c478bd9Sstevel@tonic-gate 22827c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 22837c478bd9Sstevel@tonic-gate } 22847c478bd9Sstevel@tonic-gate 22857c478bd9Sstevel@tonic-gate /* 22867c478bd9Sstevel@tonic-gate * after not receiving an event for minor_fini_timeout secs, we need 22877c478bd9Sstevel@tonic-gate * to call the minor_fini routines 22887c478bd9Sstevel@tonic-gate */ 22897c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 22907c478bd9Sstevel@tonic-gate static void 22917c478bd9Sstevel@tonic-gate call_minor_fini_thread(void *arg) 22927c478bd9Sstevel@tonic-gate { 22937c478bd9Sstevel@tonic-gate int count = 0; 22947c478bd9Sstevel@tonic-gate 22957c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 22967c478bd9Sstevel@tonic-gate 22977c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "call_minor_fini_thread starting\n"); 22987c478bd9Sstevel@tonic-gate 22997c478bd9Sstevel@tonic-gate do { 23007c478bd9Sstevel@tonic-gate minor_fini_delay_restart = FALSE; 23017c478bd9Sstevel@tonic-gate 23027c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 23037c478bd9Sstevel@tonic-gate (void) sleep(minor_fini_timeout); 23047c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 23057c478bd9Sstevel@tonic-gate 23067c478bd9Sstevel@tonic-gate /* 23077c478bd9Sstevel@tonic-gate * if minor_fini_delay_restart is still false then 23087c478bd9Sstevel@tonic-gate * we can call minor fini routines. 23097c478bd9Sstevel@tonic-gate * ensure that at least periodically minor_fini gets 23107c478bd9Sstevel@tonic-gate * called satisfying link generators depending on fini 23117c478bd9Sstevel@tonic-gate * being eventually called 23127c478bd9Sstevel@tonic-gate */ 23137c478bd9Sstevel@tonic-gate if ((count++ >= FORCE_CALL_MINOR_FINI) || 23147c478bd9Sstevel@tonic-gate (minor_fini_delay_restart == FALSE)) { 23157c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, 23167c478bd9Sstevel@tonic-gate "call_minor_fini starting (%d)\n", count); 23177c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 23187c478bd9Sstevel@tonic-gate 23197c478bd9Sstevel@tonic-gate lock_dev(); 23207c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 23217c478bd9Sstevel@tonic-gate 23227c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "call_minor_fini done\n"); 23237c478bd9Sstevel@tonic-gate 23247c478bd9Sstevel@tonic-gate /* 23257c478bd9Sstevel@tonic-gate * hang around before exiting just in case 23267c478bd9Sstevel@tonic-gate * minor_fini_delay_restart is set again 23277c478bd9Sstevel@tonic-gate */ 23287c478bd9Sstevel@tonic-gate (void) sleep(1); 23297c478bd9Sstevel@tonic-gate 23307c478bd9Sstevel@tonic-gate count = 0; 23317c478bd9Sstevel@tonic-gate 23327c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 23337c478bd9Sstevel@tonic-gate } 23347c478bd9Sstevel@tonic-gate } while (minor_fini_delay_restart); 23357c478bd9Sstevel@tonic-gate 23367c478bd9Sstevel@tonic-gate minor_fini_thread_created = FALSE; 23377c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 23387c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "call_minor_fini_thread exiting\n"); 23397c478bd9Sstevel@tonic-gate } 23407c478bd9Sstevel@tonic-gate 23417c478bd9Sstevel@tonic-gate /* 23427c478bd9Sstevel@tonic-gate * Attempt to initialize module, if a minor_init routine exists. Set 23437c478bd9Sstevel@tonic-gate * the active flag if the routine exists and succeeds. If it doesn't 23447c478bd9Sstevel@tonic-gate * exist, just set the active flag. 23457c478bd9Sstevel@tonic-gate */ 23467c478bd9Sstevel@tonic-gate static int 23477c478bd9Sstevel@tonic-gate call_minor_init(module_t *module) 23487c478bd9Sstevel@tonic-gate { 23497c478bd9Sstevel@tonic-gate char *fcn = "call_minor_init: "; 23507c478bd9Sstevel@tonic-gate 23517c478bd9Sstevel@tonic-gate if ((module->flags & MODULE_ACTIVE) == MODULE_ACTIVE) { 23527c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 23537c478bd9Sstevel@tonic-gate } 23547c478bd9Sstevel@tonic-gate 23557c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "%smodule %s. current state: inactive\n", 23567c478bd9Sstevel@tonic-gate fcn, module->name); 23577c478bd9Sstevel@tonic-gate 23587c478bd9Sstevel@tonic-gate if (module->minor_init == NULL) { 23597c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 23607c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init not defined\n"); 23617c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 23627c478bd9Sstevel@tonic-gate } 23637c478bd9Sstevel@tonic-gate 23647c478bd9Sstevel@tonic-gate if ((*(module->minor_init))() == DEVFSADM_FAILURE) { 23657c478bd9Sstevel@tonic-gate err_print(FAILED_FOR_MODULE, MINOR_INIT, module->name); 23667c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 23677c478bd9Sstevel@tonic-gate } 23687c478bd9Sstevel@tonic-gate 23697c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init() returns DEVFSADM_SUCCESS. " 23707c478bd9Sstevel@tonic-gate "new state: active\n"); 23717c478bd9Sstevel@tonic-gate 23727c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 23737c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 23747c478bd9Sstevel@tonic-gate } 23757c478bd9Sstevel@tonic-gate 23767c478bd9Sstevel@tonic-gate /* 23777c478bd9Sstevel@tonic-gate * Creates a symlink 'link' to the physical path of node:minor. 23787c478bd9Sstevel@tonic-gate * Construct link contents, then call create_link_common(). 23797c478bd9Sstevel@tonic-gate */ 23807c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 23817c478bd9Sstevel@tonic-gate int 2382*facf4a8dSllai devfsadm_mklink(char *link, di_node_t node, di_minor_t minor, int flags) 23837c478bd9Sstevel@tonic-gate { 23847c478bd9Sstevel@tonic-gate char rcontents[PATH_MAX]; 23857c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 23867c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX]; 23877c478bd9Sstevel@tonic-gate char *acontents; 23887c478bd9Sstevel@tonic-gate char *dev_path; 23897c478bd9Sstevel@tonic-gate int numslashes; 23907c478bd9Sstevel@tonic-gate int rv; 23917c478bd9Sstevel@tonic-gate int i, link_exists; 23927c478bd9Sstevel@tonic-gate int last_was_slash = FALSE; 23937c478bd9Sstevel@tonic-gate 23947c478bd9Sstevel@tonic-gate /* 23957c478bd9Sstevel@tonic-gate * try to use devices path 23967c478bd9Sstevel@tonic-gate */ 23977c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 23987c478bd9Sstevel@tonic-gate acontents = lphy_path; 23997c478bd9Sstevel@tonic-gate } else if (di_minor_type(minor) == DDM_ALIAS) { 24007c478bd9Sstevel@tonic-gate /* use /pseudo/clone@0:<driver> as the phys path */ 24017c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), 24027c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", 24037c478bd9Sstevel@tonic-gate di_driver_name(di_minor_devinfo(minor))); 24047c478bd9Sstevel@tonic-gate acontents = phy_path; 24057c478bd9Sstevel@tonic-gate } else { 24067c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 24077c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 24087c478bd9Sstevel@tonic-gate devfsadm_exit(1); 24097c478bd9Sstevel@tonic-gate } 24107c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), "%s:%s", 24117c478bd9Sstevel@tonic-gate dev_path, di_minor_name(minor)); 24127c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 24137c478bd9Sstevel@tonic-gate acontents = phy_path; 24147c478bd9Sstevel@tonic-gate } 24157c478bd9Sstevel@tonic-gate 24167c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 24177c478bd9Sstevel@tonic-gate (void) strlcpy(devlink, dev_dir, sizeof (devlink)); 24187c478bd9Sstevel@tonic-gate (void) strlcat(devlink, "/", sizeof (devlink)); 24197c478bd9Sstevel@tonic-gate (void) strlcat(devlink, link, sizeof (devlink)); 24207c478bd9Sstevel@tonic-gate 24217c478bd9Sstevel@tonic-gate /* 24227c478bd9Sstevel@tonic-gate * Calculate # of ../ to add. Account for double '//' in path. 24237c478bd9Sstevel@tonic-gate * Ignore all leading slashes. 24247c478bd9Sstevel@tonic-gate */ 24257c478bd9Sstevel@tonic-gate for (i = 0; link[i] == '/'; i++) 24267c478bd9Sstevel@tonic-gate ; 24277c478bd9Sstevel@tonic-gate for (numslashes = 0; link[i] != '\0'; i++) { 24287c478bd9Sstevel@tonic-gate if (link[i] == '/') { 24297c478bd9Sstevel@tonic-gate if (last_was_slash == FALSE) { 24307c478bd9Sstevel@tonic-gate numslashes++; 24317c478bd9Sstevel@tonic-gate last_was_slash = TRUE; 24327c478bd9Sstevel@tonic-gate } 24337c478bd9Sstevel@tonic-gate } else { 24347c478bd9Sstevel@tonic-gate last_was_slash = FALSE; 24357c478bd9Sstevel@tonic-gate } 24367c478bd9Sstevel@tonic-gate } 24377c478bd9Sstevel@tonic-gate /* Don't count any trailing '/' */ 24387c478bd9Sstevel@tonic-gate if (link[i-1] == '/') { 24397c478bd9Sstevel@tonic-gate numslashes--; 24407c478bd9Sstevel@tonic-gate } 24417c478bd9Sstevel@tonic-gate 24427c478bd9Sstevel@tonic-gate rcontents[0] = '\0'; 24437c478bd9Sstevel@tonic-gate do { 24447c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "../", sizeof (rcontents)); 24457c478bd9Sstevel@tonic-gate } while (numslashes-- != 0); 24467c478bd9Sstevel@tonic-gate 24477c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "devices", sizeof (rcontents)); 24487c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, acontents, sizeof (rcontents)); 24497c478bd9Sstevel@tonic-gate 24507c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 24517c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding link %s ==> %s\n", devlink, rcontents); 24527c478bd9Sstevel@tonic-gate } 24537c478bd9Sstevel@tonic-gate 24547c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, rcontents, &link_exists)) 24557c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 24567c478bd9Sstevel@tonic-gate linknew = TRUE; 24577c478bd9Sstevel@tonic-gate add_link_to_cache(link, acontents); 245845916cd2Sjpk if (system_labeled && (flags & DA_ADD)) { 245945916cd2Sjpk /* 246045916cd2Sjpk * Add this device to the list of allocatable devices. 246145916cd2Sjpk */ 246245916cd2Sjpk int instance = di_instance(node); 246345916cd2Sjpk 246445916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, flags); 246545916cd2Sjpk update_devdb = flags; 246645916cd2Sjpk } 24677c478bd9Sstevel@tonic-gate } else { 24687c478bd9Sstevel@tonic-gate linknew = FALSE; 24697c478bd9Sstevel@tonic-gate } 24707c478bd9Sstevel@tonic-gate 24717c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 247245916cd2Sjpk if (system_labeled && (flags & DA_CD)) { 247345916cd2Sjpk /* 247445916cd2Sjpk * if this is a removable disk, add it 247545916cd2Sjpk * as that to device allocation database. 247645916cd2Sjpk */ 247745916cd2Sjpk if (_da_check_for_usb(devlink, root_dir) == 1) { 247845916cd2Sjpk int instance = di_instance(node); 247945916cd2Sjpk 248045916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, 248145916cd2Sjpk DA_ADD|DA_RMDISK); 248245916cd2Sjpk update_devdb = DA_RMDISK; 248345916cd2Sjpk } 248445916cd2Sjpk } 24857c478bd9Sstevel@tonic-gate /* Link exists or was just created */ 24867c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, rcontents, 24877c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK); 24887c478bd9Sstevel@tonic-gate } 24897c478bd9Sstevel@tonic-gate 24907c478bd9Sstevel@tonic-gate return (rv); 24917c478bd9Sstevel@tonic-gate } 24927c478bd9Sstevel@tonic-gate 24937c478bd9Sstevel@tonic-gate /* 24947c478bd9Sstevel@tonic-gate * Creates a symlink link to primary_link. Calculates relative 24957c478bd9Sstevel@tonic-gate * directory offsets, then calls link_common(). 24967c478bd9Sstevel@tonic-gate */ 24977c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 24987c478bd9Sstevel@tonic-gate int 24997c478bd9Sstevel@tonic-gate devfsadm_secondary_link(char *link, char *primary_link, int flags) 25007c478bd9Sstevel@tonic-gate { 25017c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 25027c478bd9Sstevel@tonic-gate char devlink[PATH_MAX + 1]; 25037c478bd9Sstevel@tonic-gate int rv, link_exists; 25047c478bd9Sstevel@tonic-gate char *fpath; 25057c478bd9Sstevel@tonic-gate char *tpath; 25067c478bd9Sstevel@tonic-gate char *op; 25077c478bd9Sstevel@tonic-gate 25087c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 25097c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 25107c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 25117c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 25127c478bd9Sstevel@tonic-gate /* 25137c478bd9Sstevel@tonic-gate * building extra link, so use first link as link contents, but first 25147c478bd9Sstevel@tonic-gate * make it relative. 25157c478bd9Sstevel@tonic-gate */ 25167c478bd9Sstevel@tonic-gate fpath = link; 25177c478bd9Sstevel@tonic-gate tpath = primary_link; 25187c478bd9Sstevel@tonic-gate op = contents; 25197c478bd9Sstevel@tonic-gate 25207c478bd9Sstevel@tonic-gate while (*fpath == *tpath && *fpath != '\0') { 25217c478bd9Sstevel@tonic-gate fpath++, tpath++; 25227c478bd9Sstevel@tonic-gate } 25237c478bd9Sstevel@tonic-gate 25247c478bd9Sstevel@tonic-gate /* Count directories to go up, if any, and add "../" */ 25257c478bd9Sstevel@tonic-gate while (*fpath != '\0') { 25267c478bd9Sstevel@tonic-gate if (*fpath == '/') { 25277c478bd9Sstevel@tonic-gate (void) strcpy(op, "../"); 25287c478bd9Sstevel@tonic-gate op += 3; 25297c478bd9Sstevel@tonic-gate } 25307c478bd9Sstevel@tonic-gate fpath++; 25317c478bd9Sstevel@tonic-gate } 25327c478bd9Sstevel@tonic-gate 25337c478bd9Sstevel@tonic-gate /* 25347c478bd9Sstevel@tonic-gate * Back up to the start of the current path component, in 25357c478bd9Sstevel@tonic-gate * case in the middle 25367c478bd9Sstevel@tonic-gate */ 25377c478bd9Sstevel@tonic-gate while (tpath != primary_link && *(tpath-1) != '/') { 25387c478bd9Sstevel@tonic-gate tpath--; 25397c478bd9Sstevel@tonic-gate } 25407c478bd9Sstevel@tonic-gate (void) strcpy(op, tpath); 25417c478bd9Sstevel@tonic-gate 25427c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 25437c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding extra link %s ==> %s\n", 25447c478bd9Sstevel@tonic-gate devlink, contents); 25457c478bd9Sstevel@tonic-gate } 25467c478bd9Sstevel@tonic-gate 25477c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, contents, &link_exists)) 25487c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 25497c478bd9Sstevel@tonic-gate /* 25507c478bd9Sstevel@tonic-gate * we need to save the ultimate /devices contents, and not the 25517c478bd9Sstevel@tonic-gate * secondary link, since hotcleanup only looks at /devices path. 25527c478bd9Sstevel@tonic-gate * Since we don't have devices path here, we can try to get it 25537c478bd9Sstevel@tonic-gate * by readlink'ing the secondary link. This assumes the primary 25547c478bd9Sstevel@tonic-gate * link was created first. 25557c478bd9Sstevel@tonic-gate */ 25567c478bd9Sstevel@tonic-gate add_link_to_cache(link, lphy_path); 25577c478bd9Sstevel@tonic-gate linknew = TRUE; 255845916cd2Sjpk if (system_labeled && 255945916cd2Sjpk ((flags & DA_AUDIO) && (flags & DA_ADD))) { 256045916cd2Sjpk /* 256145916cd2Sjpk * Add this device to the list of allocatable devices. 256245916cd2Sjpk */ 256345916cd2Sjpk int instance = 0; 256445916cd2Sjpk 256545916cd2Sjpk op = strrchr(contents, '/'); 256645916cd2Sjpk op++; 256745916cd2Sjpk (void) sscanf(op, "%d", &instance); 256845916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, flags); 256945916cd2Sjpk update_devdb = flags; 257045916cd2Sjpk } 25717c478bd9Sstevel@tonic-gate } else { 25727c478bd9Sstevel@tonic-gate linknew = FALSE; 25737c478bd9Sstevel@tonic-gate } 25747c478bd9Sstevel@tonic-gate 25757c478bd9Sstevel@tonic-gate /* 25767c478bd9Sstevel@tonic-gate * If link exists or was just created, add it to the database 25777c478bd9Sstevel@tonic-gate */ 25787c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 25797c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, 25807c478bd9Sstevel@tonic-gate DI_SECONDARY_LINK); 25817c478bd9Sstevel@tonic-gate } 25827c478bd9Sstevel@tonic-gate 25837c478bd9Sstevel@tonic-gate return (rv); 25847c478bd9Sstevel@tonic-gate } 25857c478bd9Sstevel@tonic-gate 25867c478bd9Sstevel@tonic-gate /* returns pointer to the devices directory */ 25877c478bd9Sstevel@tonic-gate char * 25887c478bd9Sstevel@tonic-gate devfsadm_get_devices_dir() 25897c478bd9Sstevel@tonic-gate { 25907c478bd9Sstevel@tonic-gate return (devices_dir); 25917c478bd9Sstevel@tonic-gate } 25927c478bd9Sstevel@tonic-gate 25937c478bd9Sstevel@tonic-gate /* 25947c478bd9Sstevel@tonic-gate * Does the actual link creation. VERBOSE_MID only used if there is 25957c478bd9Sstevel@tonic-gate * a change. CHATTY_MID used otherwise. 25967c478bd9Sstevel@tonic-gate */ 25977c478bd9Sstevel@tonic-gate static int 25987c478bd9Sstevel@tonic-gate create_link_common(char *devlink, char *contents, int *exists) 25997c478bd9Sstevel@tonic-gate { 26007c478bd9Sstevel@tonic-gate int try; 26017c478bd9Sstevel@tonic-gate int linksize; 26027c478bd9Sstevel@tonic-gate int max_tries = 0; 26037c478bd9Sstevel@tonic-gate static int prev_link_existed = TRUE; 26047c478bd9Sstevel@tonic-gate char checkcontents[PATH_MAX + 1]; 26057c478bd9Sstevel@tonic-gate char *hide; 26067c478bd9Sstevel@tonic-gate 26077c478bd9Sstevel@tonic-gate *exists = FALSE; 26087c478bd9Sstevel@tonic-gate 26097c478bd9Sstevel@tonic-gate /* Database is not updated when file_mods == FALSE */ 26107c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 26117c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 26127c478bd9Sstevel@tonic-gate if (linksize > 0) { 26137c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 26147c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 26157c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, REMOVING_LINK, 26167c478bd9Sstevel@tonic-gate devlink, checkcontents); 26177c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26187c478bd9Sstevel@tonic-gate } else { 26197c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "link exists and is correct:" 26207c478bd9Sstevel@tonic-gate " %s -> %s\n", devlink, contents); 26217c478bd9Sstevel@tonic-gate /* failure only in that the link existed */ 26227c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 26237c478bd9Sstevel@tonic-gate } 26247c478bd9Sstevel@tonic-gate } else { 26257c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, contents); 26267c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26277c478bd9Sstevel@tonic-gate } 26287c478bd9Sstevel@tonic-gate } 26297c478bd9Sstevel@tonic-gate 26307c478bd9Sstevel@tonic-gate /* 26317c478bd9Sstevel@tonic-gate * systems calls are expensive, so predict whether to readlink 26327c478bd9Sstevel@tonic-gate * or symlink first, based on previous attempt 26337c478bd9Sstevel@tonic-gate */ 26347c478bd9Sstevel@tonic-gate if (prev_link_existed == FALSE) { 26357c478bd9Sstevel@tonic-gate try = CREATE_LINK; 26367c478bd9Sstevel@tonic-gate } else { 26377c478bd9Sstevel@tonic-gate try = READ_LINK; 26387c478bd9Sstevel@tonic-gate } 26397c478bd9Sstevel@tonic-gate 26407c478bd9Sstevel@tonic-gate while (++max_tries <= 3) { 26417c478bd9Sstevel@tonic-gate 26427c478bd9Sstevel@tonic-gate switch (try) { 26437c478bd9Sstevel@tonic-gate case CREATE_LINK: 26447c478bd9Sstevel@tonic-gate 26457c478bd9Sstevel@tonic-gate if (symlink(contents, devlink) == 0) { 26467c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, 26477c478bd9Sstevel@tonic-gate contents); 26487c478bd9Sstevel@tonic-gate prev_link_existed = FALSE; 26497c478bd9Sstevel@tonic-gate /* link successfully created */ 26507c478bd9Sstevel@tonic-gate *exists = TRUE; 26517c478bd9Sstevel@tonic-gate set_logindev_perms(devlink); 26527c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26537c478bd9Sstevel@tonic-gate } else { 26547c478bd9Sstevel@tonic-gate switch (errno) { 26557c478bd9Sstevel@tonic-gate 26567c478bd9Sstevel@tonic-gate case ENOENT: 26577c478bd9Sstevel@tonic-gate /* dirpath to node doesn't exist */ 26587c478bd9Sstevel@tonic-gate hide = strrchr(devlink, '/'); 26597c478bd9Sstevel@tonic-gate *hide = '\0'; 26607c478bd9Sstevel@tonic-gate s_mkdirp(devlink, S_IRWXU|S_IRGRP| 26617c478bd9Sstevel@tonic-gate S_IXGRP|S_IROTH|S_IXOTH); 26627c478bd9Sstevel@tonic-gate *hide = '/'; 26637c478bd9Sstevel@tonic-gate break; 26647c478bd9Sstevel@tonic-gate case EEXIST: 26657c478bd9Sstevel@tonic-gate try = READ_LINK; 26667c478bd9Sstevel@tonic-gate break; 26677c478bd9Sstevel@tonic-gate default: 26687c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, devlink, 26697c478bd9Sstevel@tonic-gate contents, strerror(errno)); 26707c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 26717c478bd9Sstevel@tonic-gate } 26727c478bd9Sstevel@tonic-gate } 26737c478bd9Sstevel@tonic-gate break; 26747c478bd9Sstevel@tonic-gate 26757c478bd9Sstevel@tonic-gate case READ_LINK: 26767c478bd9Sstevel@tonic-gate 26777c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 26787c478bd9Sstevel@tonic-gate if (linksize >= 0) { 26797c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 26807c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 26817c478bd9Sstevel@tonic-gate s_unlink(devlink); 26827c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, REMOVING_LINK, 26837c478bd9Sstevel@tonic-gate devlink, checkcontents); 26847c478bd9Sstevel@tonic-gate try = CREATE_LINK; 26857c478bd9Sstevel@tonic-gate } else { 26867c478bd9Sstevel@tonic-gate prev_link_existed = TRUE; 26877c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, 26887c478bd9Sstevel@tonic-gate "link exists and is correct:" 26897c478bd9Sstevel@tonic-gate " %s -> %s\n", devlink, 26907c478bd9Sstevel@tonic-gate contents); 26917c478bd9Sstevel@tonic-gate *exists = TRUE; 26927c478bd9Sstevel@tonic-gate /* failure in that the link existed */ 26937c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 26947c478bd9Sstevel@tonic-gate } 26957c478bd9Sstevel@tonic-gate } else { 26967c478bd9Sstevel@tonic-gate switch (errno) { 26977c478bd9Sstevel@tonic-gate case EINVAL: 26987c478bd9Sstevel@tonic-gate /* not a symlink, remove and create */ 26997c478bd9Sstevel@tonic-gate s_unlink(devlink); 27007c478bd9Sstevel@tonic-gate default: 27017c478bd9Sstevel@tonic-gate /* maybe it didn't exist at all */ 27027c478bd9Sstevel@tonic-gate try = CREATE_LINK; 27037c478bd9Sstevel@tonic-gate break; 27047c478bd9Sstevel@tonic-gate } 27057c478bd9Sstevel@tonic-gate } 27067c478bd9Sstevel@tonic-gate break; 27077c478bd9Sstevel@tonic-gate } 27087c478bd9Sstevel@tonic-gate } 27097c478bd9Sstevel@tonic-gate err_print(MAX_ATTEMPTS, devlink, contents); 27107c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 27117c478bd9Sstevel@tonic-gate } 27127c478bd9Sstevel@tonic-gate 27137c478bd9Sstevel@tonic-gate static void 27147c478bd9Sstevel@tonic-gate set_logindev_perms(char *devlink) 27157c478bd9Sstevel@tonic-gate { 27167c478bd9Sstevel@tonic-gate struct login_dev *newdev; 27177c478bd9Sstevel@tonic-gate struct passwd pwd, *resp; 27187c478bd9Sstevel@tonic-gate char pwd_buf[PATH_MAX]; 27197c478bd9Sstevel@tonic-gate int rv; 27207c478bd9Sstevel@tonic-gate struct stat sb; 27217c478bd9Sstevel@tonic-gate char *devfs_path = NULL; 27227c478bd9Sstevel@tonic-gate 27237c478bd9Sstevel@tonic-gate /* 27247c478bd9Sstevel@tonic-gate * We only want logindev perms to be set when a device is 27257c478bd9Sstevel@tonic-gate * hotplugged or an application requests synchronous creates. 27267c478bd9Sstevel@tonic-gate * So we enable this only in daemon mode. In addition, 27277c478bd9Sstevel@tonic-gate * login(1) only fixes the std. /dev dir. So we don't 27287c478bd9Sstevel@tonic-gate * change perms if alternate root is set. 27297c478bd9Sstevel@tonic-gate * login_dev_enable is TRUE only in these cases. 27307c478bd9Sstevel@tonic-gate */ 27317c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 27327c478bd9Sstevel@tonic-gate return; 27337c478bd9Sstevel@tonic-gate 27347c478bd9Sstevel@tonic-gate /* 27357c478bd9Sstevel@tonic-gate * Normally, /etc/logindevperm has few (8 - 10 entries) which 27367c478bd9Sstevel@tonic-gate * may be regular expressions (globs were converted to RE). 27377c478bd9Sstevel@tonic-gate * So just do a linear search through the list. 27387c478bd9Sstevel@tonic-gate */ 27397c478bd9Sstevel@tonic-gate for (newdev = login_dev_cache; newdev; newdev = newdev->ldev_next) { 27407c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matching %s with %s\n", devlink, 27417c478bd9Sstevel@tonic-gate newdev->ldev_device); 27427c478bd9Sstevel@tonic-gate 27437c478bd9Sstevel@tonic-gate if (regexec(&newdev->ldev_device_regex, devlink, 0, 27447c478bd9Sstevel@tonic-gate NULL, 0) == 0) { 27457c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matched %s with %s\n", devlink, 27467c478bd9Sstevel@tonic-gate newdev->ldev_device); 27477c478bd9Sstevel@tonic-gate break; 27487c478bd9Sstevel@tonic-gate } 27497c478bd9Sstevel@tonic-gate } 27507c478bd9Sstevel@tonic-gate 27517c478bd9Sstevel@tonic-gate if (newdev == NULL) 27527c478bd9Sstevel@tonic-gate return; 27537c478bd9Sstevel@tonic-gate 27547c478bd9Sstevel@tonic-gate /* 27557c478bd9Sstevel@tonic-gate * we have a match, now find the driver associated with this 27567c478bd9Sstevel@tonic-gate * minor node using a snapshot on the physical path 27577c478bd9Sstevel@tonic-gate */ 27587c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, &devfs_path, 0); 27597c478bd9Sstevel@tonic-gate if (devfs_path) { 27607c478bd9Sstevel@tonic-gate di_node_t node; 27617c478bd9Sstevel@tonic-gate char *drv = NULL; 27627c478bd9Sstevel@tonic-gate struct driver_list *list; 27637c478bd9Sstevel@tonic-gate char *p; 27647c478bd9Sstevel@tonic-gate 27657c478bd9Sstevel@tonic-gate /* truncate on : so we can take a snapshot */ 27667c478bd9Sstevel@tonic-gate (void) strcpy(pwd_buf, devfs_path); 27677c478bd9Sstevel@tonic-gate p = strrchr(pwd_buf, ':'); 27687c478bd9Sstevel@tonic-gate if (p == NULL) { 27697c478bd9Sstevel@tonic-gate free(devfs_path); 27707c478bd9Sstevel@tonic-gate return; 27717c478bd9Sstevel@tonic-gate } 27727c478bd9Sstevel@tonic-gate *p = '\0'; 27737c478bd9Sstevel@tonic-gate 27747c478bd9Sstevel@tonic-gate vprint(FILES_MID, "link=%s->physpath=%s\n", 27757c478bd9Sstevel@tonic-gate devlink, pwd_buf); 27767c478bd9Sstevel@tonic-gate 27777c478bd9Sstevel@tonic-gate node = di_init(pwd_buf, DINFOMINOR); 27787c478bd9Sstevel@tonic-gate 27797c478bd9Sstevel@tonic-gate if (node) { 27807c478bd9Sstevel@tonic-gate drv = di_driver_name(node); 27817c478bd9Sstevel@tonic-gate 27827c478bd9Sstevel@tonic-gate if (drv) { 27837c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s: driver is %s\n", 27847c478bd9Sstevel@tonic-gate devlink, drv); 27857c478bd9Sstevel@tonic-gate } 27867c478bd9Sstevel@tonic-gate di_fini(node); 27877c478bd9Sstevel@tonic-gate } 27887c478bd9Sstevel@tonic-gate /* search thru the driver list specified in logindevperm */ 27897c478bd9Sstevel@tonic-gate list = newdev->ldev_driver_list; 27907c478bd9Sstevel@tonic-gate if ((drv != NULL) && (list != NULL)) { 27917c478bd9Sstevel@tonic-gate while (list) { 27927c478bd9Sstevel@tonic-gate if (strcmp(list->driver_name, 27937c478bd9Sstevel@tonic-gate drv) == 0) { 27947c478bd9Sstevel@tonic-gate vprint(FILES_MID, 27957c478bd9Sstevel@tonic-gate "driver %s match!\n", drv); 27967c478bd9Sstevel@tonic-gate break; 27977c478bd9Sstevel@tonic-gate } 27987c478bd9Sstevel@tonic-gate list = list->next; 27997c478bd9Sstevel@tonic-gate } 28007c478bd9Sstevel@tonic-gate if (list == NULL) { 28017c478bd9Sstevel@tonic-gate vprint(FILES_MID, "no driver match!\n"); 28027c478bd9Sstevel@tonic-gate free(devfs_path); 28037c478bd9Sstevel@tonic-gate return; 28047c478bd9Sstevel@tonic-gate } 28057c478bd9Sstevel@tonic-gate } 28067c478bd9Sstevel@tonic-gate free(devfs_path); 28077c478bd9Sstevel@tonic-gate } else { 28087c478bd9Sstevel@tonic-gate return; 28097c478bd9Sstevel@tonic-gate } 28107c478bd9Sstevel@tonic-gate 28117c478bd9Sstevel@tonic-gate vprint(FILES_MID, "changing permissions of %s\n", devlink); 28127c478bd9Sstevel@tonic-gate 28137c478bd9Sstevel@tonic-gate /* 28147c478bd9Sstevel@tonic-gate * We have a match. We now attempt to determine the 28157c478bd9Sstevel@tonic-gate * owner and group of the console user. 28167c478bd9Sstevel@tonic-gate * 28177c478bd9Sstevel@tonic-gate * stat() the console device newdev->ldev_console 28187c478bd9Sstevel@tonic-gate * which will always exist - it will have the right owner but 28197c478bd9Sstevel@tonic-gate * not the right group. Use getpwuid_r() to determine group for this 28207c478bd9Sstevel@tonic-gate * uid. 28217c478bd9Sstevel@tonic-gate * Note, it is safe to use name service here since if name services 28227c478bd9Sstevel@tonic-gate * are not available (during boot or in single-user mode), then 28237c478bd9Sstevel@tonic-gate * console owner will be root and its gid can be found in 28247c478bd9Sstevel@tonic-gate * local files. 28257c478bd9Sstevel@tonic-gate */ 28267c478bd9Sstevel@tonic-gate if (stat(newdev->ldev_console, &sb) == -1) { 28277c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, STAT_FAILED, newdev->ldev_console, 28287c478bd9Sstevel@tonic-gate strerror(errno)); 28297c478bd9Sstevel@tonic-gate return; 28307c478bd9Sstevel@tonic-gate } 28317c478bd9Sstevel@tonic-gate 28327c478bd9Sstevel@tonic-gate resp = NULL; 28337c478bd9Sstevel@tonic-gate rv = getpwuid_r(sb.st_uid, &pwd, pwd_buf, sizeof (pwd_buf), &resp); 28347c478bd9Sstevel@tonic-gate if (rv || resp == NULL) { 28357c478bd9Sstevel@tonic-gate rv = rv ? rv : EINVAL; 28367c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, GID_FAILED, sb.st_uid, 28377c478bd9Sstevel@tonic-gate strerror(rv)); 28387c478bd9Sstevel@tonic-gate return; 28397c478bd9Sstevel@tonic-gate } 28407c478bd9Sstevel@tonic-gate 28417c478bd9Sstevel@tonic-gate assert(&pwd == resp); 28427c478bd9Sstevel@tonic-gate 28437c478bd9Sstevel@tonic-gate sb.st_gid = resp->pw_gid; 28447c478bd9Sstevel@tonic-gate 28457c478bd9Sstevel@tonic-gate if (chmod(devlink, newdev->ldev_perms) == -1) { 28467c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, devlink, 28477c478bd9Sstevel@tonic-gate strerror(errno)); 28487c478bd9Sstevel@tonic-gate return; 28497c478bd9Sstevel@tonic-gate } 28507c478bd9Sstevel@tonic-gate 28517c478bd9Sstevel@tonic-gate if (chown(devlink, sb.st_uid, sb.st_gid) == -1) { 28527c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, devlink, 28537c478bd9Sstevel@tonic-gate strerror(errno)); 28547c478bd9Sstevel@tonic-gate } 28557c478bd9Sstevel@tonic-gate } 28567c478bd9Sstevel@tonic-gate 28577c478bd9Sstevel@tonic-gate /* 28587c478bd9Sstevel@tonic-gate * Reset /devices node with appropriate permissions and 28597c478bd9Sstevel@tonic-gate * ownership as specified in /etc/minor_perm. 28607c478bd9Sstevel@tonic-gate */ 28617c478bd9Sstevel@tonic-gate static void 28627c478bd9Sstevel@tonic-gate reset_node_permissions(di_node_t node, di_minor_t minor) 28637c478bd9Sstevel@tonic-gate { 286445916cd2Sjpk int devalloc_is_on = 0; 28657c478bd9Sstevel@tonic-gate int spectype; 28667c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 28677c478bd9Sstevel@tonic-gate mode_t mode; 28687c478bd9Sstevel@tonic-gate dev_t dev; 28697c478bd9Sstevel@tonic-gate uid_t uid; 28707c478bd9Sstevel@tonic-gate gid_t gid; 28717c478bd9Sstevel@tonic-gate struct stat sb; 28727c478bd9Sstevel@tonic-gate char *dev_path, *aminor = NULL; 28737c478bd9Sstevel@tonic-gate 28747c478bd9Sstevel@tonic-gate /* lphy_path starts with / */ 28757c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 28767c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 28777c478bd9Sstevel@tonic-gate devfsadm_exit(1); 28787c478bd9Sstevel@tonic-gate } 28797c478bd9Sstevel@tonic-gate (void) strcpy(lphy_path, dev_path); 28807c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 28817c478bd9Sstevel@tonic-gate 28827c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, ":"); 28837c478bd9Sstevel@tonic-gate if (di_minor_type(minor) == DDM_ALIAS) { 28847c478bd9Sstevel@tonic-gate char *driver; 28857c478bd9Sstevel@tonic-gate aminor = di_minor_name(minor); 28867c478bd9Sstevel@tonic-gate driver = di_driver_name(di_minor_devinfo(minor)); 28877c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, driver); 28887c478bd9Sstevel@tonic-gate } else 28897c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, di_minor_name(minor)); 28907c478bd9Sstevel@tonic-gate 28917c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, devices_dir); 28927c478bd9Sstevel@tonic-gate (void) strcat(phy_path, lphy_path); 28937c478bd9Sstevel@tonic-gate 28947c478bd9Sstevel@tonic-gate lnode = node; 28957c478bd9Sstevel@tonic-gate lminor = minor; 28967c478bd9Sstevel@tonic-gate 28977c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "reset_node_permissions: phy_path=%s lphy_path=%s\n", 28987c478bd9Sstevel@tonic-gate phy_path, lphy_path); 28997c478bd9Sstevel@tonic-gate 29007c478bd9Sstevel@tonic-gate dev = di_minor_devt(minor); 29017c478bd9Sstevel@tonic-gate spectype = di_minor_spectype(minor); /* block or char */ 29027c478bd9Sstevel@tonic-gate 29037c478bd9Sstevel@tonic-gate getattr(phy_path, aminor, spectype, dev, &mode, &uid, &gid); 29047c478bd9Sstevel@tonic-gate 29057c478bd9Sstevel@tonic-gate /* 29067c478bd9Sstevel@tonic-gate * compare and set permissions and ownership 29077c478bd9Sstevel@tonic-gate * 29087c478bd9Sstevel@tonic-gate * Under devfs, a quick insertion and removal of USB devices 29097c478bd9Sstevel@tonic-gate * would cause stat of physical path to fail. In this case, 29107c478bd9Sstevel@tonic-gate * we emit a verbose message, but don't print errors. 29117c478bd9Sstevel@tonic-gate */ 29127c478bd9Sstevel@tonic-gate if ((stat(phy_path, &sb) == -1) || (sb.st_rdev != dev)) { 29137c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, NO_DEVFS_NODE, phy_path); 29147c478bd9Sstevel@tonic-gate return; 29157c478bd9Sstevel@tonic-gate } 29167c478bd9Sstevel@tonic-gate 29177c478bd9Sstevel@tonic-gate /* 291845916cd2Sjpk * If we are here for a new device 291945916cd2Sjpk * If device allocation is on 292045916cd2Sjpk * then 292145916cd2Sjpk * set ownership to root:other and permissions to 0000 292245916cd2Sjpk * else 292345916cd2Sjpk * set ownership and permissions as specified in minor_perm 292445916cd2Sjpk * If we are here for an existing device 292545916cd2Sjpk * If device allocation is to be turned on 292645916cd2Sjpk * then 292745916cd2Sjpk * reset ownership to root:other and permissions to 0000 292845916cd2Sjpk * else if device allocation is to be turned off 292945916cd2Sjpk * reset ownership and permissions to those specified in 293045916cd2Sjpk * minor_perm 293145916cd2Sjpk * else 293245916cd2Sjpk * preserve exsisting/user-modified ownership and 293345916cd2Sjpk * permissions 293445916cd2Sjpk * 293545916cd2Sjpk * devfs indicates a new device by faking access time to be zero. 29367c478bd9Sstevel@tonic-gate */ 293745916cd2Sjpk devalloc_is_on = da_is_on(); 29387c478bd9Sstevel@tonic-gate if (sb.st_atime != 0) { 29397c478bd9Sstevel@tonic-gate int i; 29407c478bd9Sstevel@tonic-gate char *nt; 29417c478bd9Sstevel@tonic-gate 294245916cd2Sjpk if ((devalloc_flag == 0) && (devalloc_is_on != 1)) 294345916cd2Sjpk /* 294445916cd2Sjpk * Leave existing devices as they are if we are not 294545916cd2Sjpk * turning device allocation on/off. 294645916cd2Sjpk */ 29477c478bd9Sstevel@tonic-gate return; 29487c478bd9Sstevel@tonic-gate 29497c478bd9Sstevel@tonic-gate nt = di_minor_nodetype(minor); 295045916cd2Sjpk 29517c478bd9Sstevel@tonic-gate if (nt == NULL) 29527c478bd9Sstevel@tonic-gate return; 295345916cd2Sjpk 295445916cd2Sjpk for (i = 0; devalloc_list[i]; i++) { 295545916cd2Sjpk if (strcmp(nt, devalloc_list[i]) == 0) 295645916cd2Sjpk /* 295745916cd2Sjpk * One of the types recognized by devalloc, 295845916cd2Sjpk * reset attrs. 295945916cd2Sjpk */ 29607c478bd9Sstevel@tonic-gate break; 29617c478bd9Sstevel@tonic-gate } 296245916cd2Sjpk if (devalloc_list[i] == NULL) 29637c478bd9Sstevel@tonic-gate return; 29647c478bd9Sstevel@tonic-gate } 29657c478bd9Sstevel@tonic-gate 29667c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 29677c478bd9Sstevel@tonic-gate /* Nothing more to do if simulating */ 29687c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 29697c478bd9Sstevel@tonic-gate return; 29707c478bd9Sstevel@tonic-gate } 29717c478bd9Sstevel@tonic-gate 297245916cd2Sjpk if ((devalloc_flag == DA_ON) || (devalloc_is_on == 1)) { 297345916cd2Sjpk /* 297445916cd2Sjpk * we are here either to turn device allocation on 297545916cd2Sjpk * or to add a new device while device allocation in on 297645916cd2Sjpk */ 297745916cd2Sjpk mode = DEALLOC_MODE; 297845916cd2Sjpk uid = DA_UID; 297945916cd2Sjpk gid = DA_GID; 298045916cd2Sjpk } 298145916cd2Sjpk 298245916cd2Sjpk if ((devalloc_is_on == 1) || (devalloc_flag == DA_ON) || 298345916cd2Sjpk (sb.st_mode != mode)) { 29847c478bd9Sstevel@tonic-gate if (chmod(phy_path, mode) == -1) 29857c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, 29867c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 29877c478bd9Sstevel@tonic-gate } 298845916cd2Sjpk if ((devalloc_is_on == 1) || (devalloc_flag == DA_ON) || 298945916cd2Sjpk (sb.st_uid != uid || sb.st_gid != gid)) { 29907c478bd9Sstevel@tonic-gate if (chown(phy_path, uid, gid) == -1) 29917c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, 29927c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 29937c478bd9Sstevel@tonic-gate } 29947c478bd9Sstevel@tonic-gate 29957c478bd9Sstevel@tonic-gate /* Report that we actually did something */ 29967c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 29977c478bd9Sstevel@tonic-gate } 29987c478bd9Sstevel@tonic-gate 29997c478bd9Sstevel@tonic-gate /* 30007c478bd9Sstevel@tonic-gate * Removes logical link and the minor node it refers to. If file is a 30017c478bd9Sstevel@tonic-gate * link, we recurse and try to remove the minor node (or link if path is 30027c478bd9Sstevel@tonic-gate * a double link) that file's link contents refer to. 30037c478bd9Sstevel@tonic-gate */ 30047c478bd9Sstevel@tonic-gate static void 30057c478bd9Sstevel@tonic-gate devfsadm_rm_work(char *file, int recurse, int file_type) 30067c478bd9Sstevel@tonic-gate { 30077c478bd9Sstevel@tonic-gate char *fcn = "devfsadm_rm_work: "; 30087c478bd9Sstevel@tonic-gate int linksize; 30097c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 30107c478bd9Sstevel@tonic-gate char nextfile[PATH_MAX + 1]; 30117c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 30127c478bd9Sstevel@tonic-gate char *ptr; 30137c478bd9Sstevel@tonic-gate 30147c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s\n", fcn, file); 30157c478bd9Sstevel@tonic-gate 30167c478bd9Sstevel@tonic-gate /* TYPE_LINK split into multiple if's due to excessive indentations */ 30177c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 30187c478bd9Sstevel@tonic-gate (void) strcpy(newfile, dev_dir); 30197c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 30207c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 30217c478bd9Sstevel@tonic-gate } 30227c478bd9Sstevel@tonic-gate 30237c478bd9Sstevel@tonic-gate if ((file_type == TYPE_LINK) && (recurse == TRUE) && 30247c478bd9Sstevel@tonic-gate ((linksize = readlink(newfile, contents, PATH_MAX)) > 0)) { 30257c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 30267c478bd9Sstevel@tonic-gate 30277c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_TRUE) { 30287c478bd9Sstevel@tonic-gate devfsadm_rm_work(++ptr, FALSE, TYPE_DEVICES); 30297c478bd9Sstevel@tonic-gate } else { 30307c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 30317c478bd9Sstevel@tonic-gate devfsadm_rm_work(&contents[strlen(DEV) + 1], 30327c478bd9Sstevel@tonic-gate TRUE, TYPE_LINK); 30337c478bd9Sstevel@tonic-gate } else { 30347c478bd9Sstevel@tonic-gate if ((ptr = strrchr(file, '/')) != NULL) { 30357c478bd9Sstevel@tonic-gate *ptr = '\0'; 30367c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, file); 30377c478bd9Sstevel@tonic-gate *ptr = '/'; 30387c478bd9Sstevel@tonic-gate (void) strcat(nextfile, "/"); 30397c478bd9Sstevel@tonic-gate } else { 30407c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, ""); 30417c478bd9Sstevel@tonic-gate } 30427c478bd9Sstevel@tonic-gate (void) strcat(nextfile, contents); 30437c478bd9Sstevel@tonic-gate devfsadm_rm_work(nextfile, TRUE, TYPE_LINK); 30447c478bd9Sstevel@tonic-gate } 30457c478bd9Sstevel@tonic-gate } 30467c478bd9Sstevel@tonic-gate } 30477c478bd9Sstevel@tonic-gate 30487c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 30497c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, DEVFSADM_UNLINK, newfile); 30507c478bd9Sstevel@tonic-gate if (file_mods == TRUE) { 30517c478bd9Sstevel@tonic-gate rm_link_from_cache(file); 30527c478bd9Sstevel@tonic-gate s_unlink(newfile); 30537c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(newfile); 30547c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 30557c478bd9Sstevel@tonic-gate (void) di_devlink_rm_link(devlink_cache, file); 30567c478bd9Sstevel@tonic-gate } 30577c478bd9Sstevel@tonic-gate } 30587c478bd9Sstevel@tonic-gate 30597c478bd9Sstevel@tonic-gate /* 30607c478bd9Sstevel@tonic-gate * Note: we don't remove /devices entries because they are 30617c478bd9Sstevel@tonic-gate * covered by devfs. 30627c478bd9Sstevel@tonic-gate */ 30637c478bd9Sstevel@tonic-gate } 30647c478bd9Sstevel@tonic-gate 30657c478bd9Sstevel@tonic-gate void 30667c478bd9Sstevel@tonic-gate devfsadm_rm_link(char *file) 30677c478bd9Sstevel@tonic-gate { 30687c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, FALSE, TYPE_LINK); 30697c478bd9Sstevel@tonic-gate } 30707c478bd9Sstevel@tonic-gate 30717c478bd9Sstevel@tonic-gate void 30727c478bd9Sstevel@tonic-gate devfsadm_rm_all(char *file) 30737c478bd9Sstevel@tonic-gate { 30747c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, TRUE, TYPE_LINK); 30757c478bd9Sstevel@tonic-gate } 30767c478bd9Sstevel@tonic-gate 30774bc0a2efScasper static int 30787c478bd9Sstevel@tonic-gate s_rmdir(char *path) 30797c478bd9Sstevel@tonic-gate { 30807c478bd9Sstevel@tonic-gate int i; 30817c478bd9Sstevel@tonic-gate char *rpath, *dir; 30827c478bd9Sstevel@tonic-gate const char *fcn = "s_rmdir"; 30837c478bd9Sstevel@tonic-gate 30847c478bd9Sstevel@tonic-gate /* 30857c478bd9Sstevel@tonic-gate * Certain directories are created at install time by packages. 30867c478bd9Sstevel@tonic-gate * Some of them (listed in packaged_dirs[]) are required by apps 30877c478bd9Sstevel@tonic-gate * and need to be present even when empty. 30887c478bd9Sstevel@tonic-gate */ 30897c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: checking if %s is packaged\n", fcn, path); 30907c478bd9Sstevel@tonic-gate 30917c478bd9Sstevel@tonic-gate rpath = path + strlen(dev_dir) + 1; 30927c478bd9Sstevel@tonic-gate 30937c478bd9Sstevel@tonic-gate for (i = 0; (dir = packaged_dirs[i]) != NULL; i++) { 30947c478bd9Sstevel@tonic-gate if (*rpath == *dir) { 30957c478bd9Sstevel@tonic-gate if (strcmp(rpath, dir) == 0) { 30967c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: skipping packaged dir: " 30977c478bd9Sstevel@tonic-gate "%s\n", fcn, path); 30984bc0a2efScasper errno = EEXIST; 30994bc0a2efScasper return (-1); 31007c478bd9Sstevel@tonic-gate } 31017c478bd9Sstevel@tonic-gate } 31027c478bd9Sstevel@tonic-gate } 31037c478bd9Sstevel@tonic-gate 31044bc0a2efScasper return (rmdir(path)); 31057c478bd9Sstevel@tonic-gate } 31067c478bd9Sstevel@tonic-gate 31077c478bd9Sstevel@tonic-gate /* 31087c478bd9Sstevel@tonic-gate * Try to remove any empty directories up the tree. It is assumed that 31097c478bd9Sstevel@tonic-gate * pathname is a file that was removed, so start with its parent, and 31107c478bd9Sstevel@tonic-gate * work up the tree. 31117c478bd9Sstevel@tonic-gate */ 31127c478bd9Sstevel@tonic-gate static void 31137c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(char *pathname) 31147c478bd9Sstevel@tonic-gate { 31157c478bd9Sstevel@tonic-gate char *ptr, path[PATH_MAX + 1]; 31167c478bd9Sstevel@tonic-gate char *fcn = "rm_parent_dir_if_empty: "; 3117*facf4a8dSllai char *pathlist; 3118*facf4a8dSllai int len; 31197c478bd9Sstevel@tonic-gate 31207c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%schecking %s if empty\n", fcn, pathname); 31217c478bd9Sstevel@tonic-gate 31227c478bd9Sstevel@tonic-gate (void) strcpy(path, pathname); 31237c478bd9Sstevel@tonic-gate 31247c478bd9Sstevel@tonic-gate /* 31257c478bd9Sstevel@tonic-gate * ascend up the dir tree, deleting all empty dirs. 31267c478bd9Sstevel@tonic-gate * Return immediately if a dir is not empty. 31277c478bd9Sstevel@tonic-gate */ 31287c478bd9Sstevel@tonic-gate for (;;) { 31297c478bd9Sstevel@tonic-gate 31307c478bd9Sstevel@tonic-gate if ((ptr = strrchr(path, '/')) == NULL) { 31317c478bd9Sstevel@tonic-gate return; 31327c478bd9Sstevel@tonic-gate } 31337c478bd9Sstevel@tonic-gate 31347c478bd9Sstevel@tonic-gate *ptr = '\0'; 31357c478bd9Sstevel@tonic-gate 3136*facf4a8dSllai if ((pathlist = dev_readdir(path)) == NULL) { 3137*facf4a8dSllai err_print(OPENDIR_FAILED, path, strerror(errno)); 3138*facf4a8dSllai return; 31397c478bd9Sstevel@tonic-gate } 3140*facf4a8dSllai 3141*facf4a8dSllai /* 3142*facf4a8dSllai * An empty pathlist implies an empty directory 3143*facf4a8dSllai */ 3144*facf4a8dSllai len = strlen(pathlist); 3145*facf4a8dSllai free(pathlist); 3146*facf4a8dSllai if (len == 0) { 3147*facf4a8dSllai if (s_rmdir(path) == 0) { 3148*facf4a8dSllai vprint(REMOVE_MID, 3149*facf4a8dSllai "%sremoving empty dir %s\n", fcn, path); 3150*facf4a8dSllai } else if (errno == EEXIST) { 3151*facf4a8dSllai vprint(REMOVE_MID, 3152*facf4a8dSllai "%sfailed to remove dir: %s\n", fcn, path); 3153*facf4a8dSllai return; 3154*facf4a8dSllai } 3155*facf4a8dSllai } else { 3156*facf4a8dSllai /* some other file is here, so return */ 31577c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sdir not empty: %s\n", fcn, path); 31587c478bd9Sstevel@tonic-gate return; 31597c478bd9Sstevel@tonic-gate } 31607c478bd9Sstevel@tonic-gate } 31617c478bd9Sstevel@tonic-gate } 31627c478bd9Sstevel@tonic-gate 31637c478bd9Sstevel@tonic-gate /* 31647c478bd9Sstevel@tonic-gate * This function and all the functions it calls below were added to 31657c478bd9Sstevel@tonic-gate * handle the unique problem with world wide names (WWN). The problem is 31667c478bd9Sstevel@tonic-gate * that if a WWN device is moved to another address on the same controller 31677c478bd9Sstevel@tonic-gate * its logical link will change, while the physical node remains the same. 31687c478bd9Sstevel@tonic-gate * The result is that two logical links will point to the same physical path 31697c478bd9Sstevel@tonic-gate * in /devices, the valid link and a stale link. This function will 31707c478bd9Sstevel@tonic-gate * find all the stale nodes, though at a significant performance cost. 31717c478bd9Sstevel@tonic-gate * 31727c478bd9Sstevel@tonic-gate * Caching is used to increase performance. 31737c478bd9Sstevel@tonic-gate * A cache will be built from disk if the cache tag doesn't already exist. 31747c478bd9Sstevel@tonic-gate * The cache tag is a regular expression "dir_re", which selects a 31757c478bd9Sstevel@tonic-gate * subset of disks to search from typically something like 31767c478bd9Sstevel@tonic-gate * "dev/cXt[0-9]+d[0-9]+s[0-9]+". After the cache is built, consistency must 31777c478bd9Sstevel@tonic-gate * be maintained, so entries are added as new links are created, and removed 31787c478bd9Sstevel@tonic-gate * as old links are deleted. The whole cache is flushed if we are a daemon, 31797c478bd9Sstevel@tonic-gate * and another devfsadm process ran in between. 31807c478bd9Sstevel@tonic-gate * 31817c478bd9Sstevel@tonic-gate * Once the cache is built, this function finds the cache which matches 31827c478bd9Sstevel@tonic-gate * dir_re, and then it searches all links in that cache looking for 31837c478bd9Sstevel@tonic-gate * any link whose contents match "valid_link_contents" with a corresponding link 31847c478bd9Sstevel@tonic-gate * which does not match "valid_link". Any such matches are stale and removed. 31857c478bd9Sstevel@tonic-gate */ 31867c478bd9Sstevel@tonic-gate void 31877c478bd9Sstevel@tonic-gate devfsadm_rm_stale_links(char *dir_re, char *valid_link, di_node_t node, 31887c478bd9Sstevel@tonic-gate di_minor_t minor) 31897c478bd9Sstevel@tonic-gate { 31907c478bd9Sstevel@tonic-gate link_t *link; 31917c478bd9Sstevel@tonic-gate linkhead_t *head; 31927c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 31937c478bd9Sstevel@tonic-gate char *valid_link_contents; 31947c478bd9Sstevel@tonic-gate char *dev_path; 31957c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 31967c478bd9Sstevel@tonic-gate 31977c478bd9Sstevel@tonic-gate /* 31987c478bd9Sstevel@tonic-gate * try to use devices path 31997c478bd9Sstevel@tonic-gate */ 32007c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 32017c478bd9Sstevel@tonic-gate valid_link_contents = lphy_path; 32027c478bd9Sstevel@tonic-gate } else { 32037c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 32047c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 32057c478bd9Sstevel@tonic-gate devfsadm_exit(1); 32067c478bd9Sstevel@tonic-gate } 32077c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, dev_path); 32087c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 32097c478bd9Sstevel@tonic-gate 32107c478bd9Sstevel@tonic-gate (void) strcat(phy_path, ":"); 32117c478bd9Sstevel@tonic-gate (void) strcat(phy_path, di_minor_name(minor)); 32127c478bd9Sstevel@tonic-gate valid_link_contents = phy_path; 32137c478bd9Sstevel@tonic-gate } 32147c478bd9Sstevel@tonic-gate 32157c478bd9Sstevel@tonic-gate /* 32167c478bd9Sstevel@tonic-gate * As an optimization, check to make sure the corresponding 32177c478bd9Sstevel@tonic-gate * devlink was just created before continuing. 32187c478bd9Sstevel@tonic-gate */ 32197c478bd9Sstevel@tonic-gate 32207c478bd9Sstevel@tonic-gate if (linknew == FALSE) { 32217c478bd9Sstevel@tonic-gate return; 32227c478bd9Sstevel@tonic-gate } 32237c478bd9Sstevel@tonic-gate 32247c478bd9Sstevel@tonic-gate head = get_cached_links(dir_re); 32257c478bd9Sstevel@tonic-gate 32267c478bd9Sstevel@tonic-gate assert(head->nextlink == NULL); 32277c478bd9Sstevel@tonic-gate 32287c478bd9Sstevel@tonic-gate for (link = head->link; link != NULL; link = head->nextlink) { 32297c478bd9Sstevel@tonic-gate /* 32307c478bd9Sstevel@tonic-gate * See hot_cleanup() for why we do this 32317c478bd9Sstevel@tonic-gate */ 32327c478bd9Sstevel@tonic-gate head->nextlink = link->next; 32337c478bd9Sstevel@tonic-gate if ((strcmp(link->contents, valid_link_contents) == 0) && 32347c478bd9Sstevel@tonic-gate (strcmp(link->devlink, valid_link) != 0)) { 32357c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "removing %s -> %s\n" 32367c478bd9Sstevel@tonic-gate "valid link is: %s -> %s\n", 32377c478bd9Sstevel@tonic-gate link->devlink, link->contents, 32387c478bd9Sstevel@tonic-gate valid_link, valid_link_contents); 32397c478bd9Sstevel@tonic-gate /* 32407c478bd9Sstevel@tonic-gate * Use a copy of the cached link name as the 32417c478bd9Sstevel@tonic-gate * cache entry will go away during link removal 32427c478bd9Sstevel@tonic-gate */ 32437c478bd9Sstevel@tonic-gate (void) snprintf(rmlink, sizeof (rmlink), "%s", 32447c478bd9Sstevel@tonic-gate link->devlink); 32457c478bd9Sstevel@tonic-gate devfsadm_rm_link(rmlink); 32467c478bd9Sstevel@tonic-gate } 32477c478bd9Sstevel@tonic-gate } 32487c478bd9Sstevel@tonic-gate } 32497c478bd9Sstevel@tonic-gate 32507c478bd9Sstevel@tonic-gate /* 32517c478bd9Sstevel@tonic-gate * Return previously created cache, or create cache. 32527c478bd9Sstevel@tonic-gate */ 32537c478bd9Sstevel@tonic-gate static linkhead_t * 32547c478bd9Sstevel@tonic-gate get_cached_links(char *dir_re) 32557c478bd9Sstevel@tonic-gate { 32567c478bd9Sstevel@tonic-gate recurse_dev_t rd; 32577c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 32587c478bd9Sstevel@tonic-gate int n; 32597c478bd9Sstevel@tonic-gate 32607c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: %s\n", dir_re); 32617c478bd9Sstevel@tonic-gate 32627c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 32637c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 32647c478bd9Sstevel@tonic-gate if (strcmp(linkhead->dir_re, dir_re) == 0) { 32657c478bd9Sstevel@tonic-gate return (linkhead); 32667c478bd9Sstevel@tonic-gate } 32677c478bd9Sstevel@tonic-gate } 32687c478bd9Sstevel@tonic-gate 32697c478bd9Sstevel@tonic-gate /* 32707c478bd9Sstevel@tonic-gate * This tag is not in cache, so add it, along with all its 32717c478bd9Sstevel@tonic-gate * matching /dev entries. This is the only time we go to disk. 32727c478bd9Sstevel@tonic-gate */ 32737c478bd9Sstevel@tonic-gate linkhead = s_malloc(sizeof (linkhead_t)); 32747c478bd9Sstevel@tonic-gate linkhead->nexthead = headlinkhead; 32757c478bd9Sstevel@tonic-gate headlinkhead = linkhead; 32767c478bd9Sstevel@tonic-gate linkhead->dir_re = s_strdup(dir_re); 32777c478bd9Sstevel@tonic-gate 32787c478bd9Sstevel@tonic-gate if ((n = regcomp(&(linkhead->dir_re_compiled), dir_re, 32797c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 32807c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, dir_re, n); 32817c478bd9Sstevel@tonic-gate } 32827c478bd9Sstevel@tonic-gate 32837c478bd9Sstevel@tonic-gate linkhead->nextlink = NULL; 32847c478bd9Sstevel@tonic-gate linkhead->link = NULL; 32857c478bd9Sstevel@tonic-gate 32867c478bd9Sstevel@tonic-gate rd.fcn = build_devlink_list; 32877c478bd9Sstevel@tonic-gate rd.data = (void *)linkhead; 32887c478bd9Sstevel@tonic-gate 32897c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: calling recurse_dev_re\n"); 32907c478bd9Sstevel@tonic-gate 32917c478bd9Sstevel@tonic-gate /* call build_devlink_list for each directory in the dir_re RE */ 32927c478bd9Sstevel@tonic-gate if (dir_re[0] == '/') { 32937c478bd9Sstevel@tonic-gate recurse_dev_re("/", &dir_re[1], &rd); 32947c478bd9Sstevel@tonic-gate } else { 32957c478bd9Sstevel@tonic-gate recurse_dev_re(dev_dir, dir_re, &rd); 32967c478bd9Sstevel@tonic-gate } 32977c478bd9Sstevel@tonic-gate 32987c478bd9Sstevel@tonic-gate return (linkhead); 32997c478bd9Sstevel@tonic-gate } 33007c478bd9Sstevel@tonic-gate 33017c478bd9Sstevel@tonic-gate static void 33027c478bd9Sstevel@tonic-gate build_devlink_list(char *devlink, void *data) 33037c478bd9Sstevel@tonic-gate { 33047c478bd9Sstevel@tonic-gate char *fcn = "build_devlink_list: "; 33057c478bd9Sstevel@tonic-gate char *ptr; 33067c478bd9Sstevel@tonic-gate char *r_contents; 33077c478bd9Sstevel@tonic-gate char *r_devlink; 33087c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 33097c478bd9Sstevel@tonic-gate char newlink[PATH_MAX + 1]; 33107c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 33117c478bd9Sstevel@tonic-gate int linksize; 33127c478bd9Sstevel@tonic-gate linkhead_t *linkhead = (linkhead_t *)data; 33137c478bd9Sstevel@tonic-gate link_t *link; 33147c478bd9Sstevel@tonic-gate int i = 0; 33157c478bd9Sstevel@tonic-gate 33167c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scheck_link: %s\n", fcn, devlink); 33177c478bd9Sstevel@tonic-gate 33187c478bd9Sstevel@tonic-gate (void) strcpy(newlink, devlink); 33197c478bd9Sstevel@tonic-gate 33207c478bd9Sstevel@tonic-gate do { 33217c478bd9Sstevel@tonic-gate linksize = readlink(newlink, contents, PATH_MAX); 33227c478bd9Sstevel@tonic-gate if (linksize <= 0) { 33237c478bd9Sstevel@tonic-gate /* 33247c478bd9Sstevel@tonic-gate * The first pass through the do loop we may readlink() 33257c478bd9Sstevel@tonic-gate * non-symlink files(EINVAL) from false regexec matches. 33267c478bd9Sstevel@tonic-gate * Suppress error messages in those cases or if the link 33277c478bd9Sstevel@tonic-gate * content is the empty string. 33287c478bd9Sstevel@tonic-gate */ 33297c478bd9Sstevel@tonic-gate if (linksize < 0 && (i || errno != EINVAL)) 33307c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, "build_devlink_list", 33317c478bd9Sstevel@tonic-gate newlink, strerror(errno)); 33327c478bd9Sstevel@tonic-gate return; 33337c478bd9Sstevel@tonic-gate } 33347c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 33357c478bd9Sstevel@tonic-gate i = 1; 33367c478bd9Sstevel@tonic-gate 33377c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &r_contents) == DEVFSADM_FALSE) { 33387c478bd9Sstevel@tonic-gate /* 33397c478bd9Sstevel@tonic-gate * assume that link contents is really a pointer to 33407c478bd9Sstevel@tonic-gate * another link, so recurse and read its link contents. 33417c478bd9Sstevel@tonic-gate * 33427c478bd9Sstevel@tonic-gate * some link contents are absolute: 33437c478bd9Sstevel@tonic-gate * /dev/audio -> /dev/sound/0 33447c478bd9Sstevel@tonic-gate */ 33457c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", 33467c478bd9Sstevel@tonic-gate strlen(DEV) + strlen("/")) != 0) { 33477c478bd9Sstevel@tonic-gate 33487c478bd9Sstevel@tonic-gate if ((ptr = strrchr(newlink, '/')) == NULL) { 33497c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid " 33507c478bd9Sstevel@tonic-gate "link. missing '/'\n", fcn, 33517c478bd9Sstevel@tonic-gate newlink, contents); 33527c478bd9Sstevel@tonic-gate return; 33537c478bd9Sstevel@tonic-gate } 33547c478bd9Sstevel@tonic-gate *ptr = '\0'; 33557c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, newlink); 33567c478bd9Sstevel@tonic-gate *ptr = '/'; 33577c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 33587c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 33597c478bd9Sstevel@tonic-gate (void) strcpy(newlink, stage_link); 33607c478bd9Sstevel@tonic-gate } else { 33617c478bd9Sstevel@tonic-gate (void) strcpy(newlink, dev_dir); 33627c478bd9Sstevel@tonic-gate (void) strcat(newlink, "/"); 33637c478bd9Sstevel@tonic-gate (void) strcat(newlink, 33647c478bd9Sstevel@tonic-gate &contents[strlen(DEV) + strlen("/")]); 33657c478bd9Sstevel@tonic-gate } 33667c478bd9Sstevel@tonic-gate 33677c478bd9Sstevel@tonic-gate } else { 33687c478bd9Sstevel@tonic-gate newlink[0] = '\0'; 33697c478bd9Sstevel@tonic-gate } 33707c478bd9Sstevel@tonic-gate } while (newlink[0] != '\0'); 33717c478bd9Sstevel@tonic-gate 33727c478bd9Sstevel@tonic-gate if (strncmp(devlink, dev_dir, strlen(dev_dir)) != 0) { 33737c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%sinvalid link: %s\n", fcn, devlink); 33747c478bd9Sstevel@tonic-gate return; 33757c478bd9Sstevel@tonic-gate } 33767c478bd9Sstevel@tonic-gate 33777c478bd9Sstevel@tonic-gate r_devlink = devlink + strlen(dev_dir); 33787c478bd9Sstevel@tonic-gate 33797c478bd9Sstevel@tonic-gate if (r_devlink[0] != '/') 33807c478bd9Sstevel@tonic-gate return; 33817c478bd9Sstevel@tonic-gate 33827c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 33837c478bd9Sstevel@tonic-gate 33847c478bd9Sstevel@tonic-gate /* don't store the '/' after rootdir/dev */ 33857c478bd9Sstevel@tonic-gate r_devlink += 1; 33867c478bd9Sstevel@tonic-gate 33877c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scaching link: %s\n", fcn, r_devlink); 33887c478bd9Sstevel@tonic-gate link->devlink = s_strdup(r_devlink); 33897c478bd9Sstevel@tonic-gate 33907c478bd9Sstevel@tonic-gate link->contents = s_strdup(r_contents); 33917c478bd9Sstevel@tonic-gate 33927c478bd9Sstevel@tonic-gate link->next = linkhead->link; 33937c478bd9Sstevel@tonic-gate linkhead->link = link; 33947c478bd9Sstevel@tonic-gate } 33957c478bd9Sstevel@tonic-gate 33967c478bd9Sstevel@tonic-gate /* 33977c478bd9Sstevel@tonic-gate * to be consistent, devlink must not begin with / and must be 33987c478bd9Sstevel@tonic-gate * relative to /dev/, whereas physpath must contain / and be 33997c478bd9Sstevel@tonic-gate * relative to /devices. 34007c478bd9Sstevel@tonic-gate */ 34017c478bd9Sstevel@tonic-gate static void 34027c478bd9Sstevel@tonic-gate add_link_to_cache(char *devlink, char *physpath) 34037c478bd9Sstevel@tonic-gate { 34047c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 34057c478bd9Sstevel@tonic-gate link_t *link; 34067c478bd9Sstevel@tonic-gate int added = 0; 34077c478bd9Sstevel@tonic-gate 34087c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 34097c478bd9Sstevel@tonic-gate return; 34107c478bd9Sstevel@tonic-gate } 34117c478bd9Sstevel@tonic-gate 34127c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "add_link_to_cache: %s -> %s ", 34137c478bd9Sstevel@tonic-gate devlink, physpath); 34147c478bd9Sstevel@tonic-gate 34157c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 34167c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 34177c478bd9Sstevel@tonic-gate if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 34187c478bd9Sstevel@tonic-gate 0) == 0) { 34197c478bd9Sstevel@tonic-gate added++; 34207c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 34217c478bd9Sstevel@tonic-gate link->devlink = s_strdup(devlink); 34227c478bd9Sstevel@tonic-gate link->contents = s_strdup(physpath); 34237c478bd9Sstevel@tonic-gate link->next = linkhead->link; 34247c478bd9Sstevel@tonic-gate linkhead->link = link; 34257c478bd9Sstevel@tonic-gate } 34267c478bd9Sstevel@tonic-gate } 34277c478bd9Sstevel@tonic-gate 34287c478bd9Sstevel@tonic-gate vprint(CACHE_MID, 34297c478bd9Sstevel@tonic-gate " %d %s\n", added, added == 0 ? "NOT ADDED" : "ADDED"); 34307c478bd9Sstevel@tonic-gate } 34317c478bd9Sstevel@tonic-gate 34327c478bd9Sstevel@tonic-gate /* 34337c478bd9Sstevel@tonic-gate * Remove devlink from cache. Devlink must be relative to /dev/ and not start 34347c478bd9Sstevel@tonic-gate * with /. 34357c478bd9Sstevel@tonic-gate */ 34367c478bd9Sstevel@tonic-gate static void 34377c478bd9Sstevel@tonic-gate rm_link_from_cache(char *devlink) 34387c478bd9Sstevel@tonic-gate { 34397c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 34407c478bd9Sstevel@tonic-gate link_t **linkp; 34417c478bd9Sstevel@tonic-gate link_t *save; 34427c478bd9Sstevel@tonic-gate 34437c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_link_from_cache enter: %s\n", devlink); 34447c478bd9Sstevel@tonic-gate 34457c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 34467c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 34477c478bd9Sstevel@tonic-gate if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 34487c478bd9Sstevel@tonic-gate 0) == 0) { 34497c478bd9Sstevel@tonic-gate 34507c478bd9Sstevel@tonic-gate for (linkp = &(linkhead->link); *linkp != NULL; ) { 34517c478bd9Sstevel@tonic-gate if ((strcmp((*linkp)->devlink, devlink) == 0)) { 34527c478bd9Sstevel@tonic-gate save = *linkp; 34537c478bd9Sstevel@tonic-gate *linkp = (*linkp)->next; 34547c478bd9Sstevel@tonic-gate /* 34557c478bd9Sstevel@tonic-gate * We are removing our caller's 34567c478bd9Sstevel@tonic-gate * "next" link. Update the nextlink 34577c478bd9Sstevel@tonic-gate * field in the head so that our 34587c478bd9Sstevel@tonic-gate * callers accesses the next valid 34597c478bd9Sstevel@tonic-gate * link 34607c478bd9Sstevel@tonic-gate */ 34617c478bd9Sstevel@tonic-gate if (linkhead->nextlink == save) 34627c478bd9Sstevel@tonic-gate linkhead->nextlink = *linkp; 34637c478bd9Sstevel@tonic-gate free(save->devlink); 34647c478bd9Sstevel@tonic-gate free(save->contents); 34657c478bd9Sstevel@tonic-gate free(save); 34667c478bd9Sstevel@tonic-gate vprint(CACHE_MID, " %s FREED FROM " 34677c478bd9Sstevel@tonic-gate "CACHE\n", devlink); 34687c478bd9Sstevel@tonic-gate } else { 34697c478bd9Sstevel@tonic-gate linkp = &((*linkp)->next); 34707c478bd9Sstevel@tonic-gate } 34717c478bd9Sstevel@tonic-gate } 34727c478bd9Sstevel@tonic-gate } 34737c478bd9Sstevel@tonic-gate } 34747c478bd9Sstevel@tonic-gate } 34757c478bd9Sstevel@tonic-gate 34767c478bd9Sstevel@tonic-gate static void 34777c478bd9Sstevel@tonic-gate rm_all_links_from_cache() 34787c478bd9Sstevel@tonic-gate { 34797c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 34807c478bd9Sstevel@tonic-gate linkhead_t *nextlinkhead; 34817c478bd9Sstevel@tonic-gate link_t *link; 34827c478bd9Sstevel@tonic-gate link_t *nextlink; 34837c478bd9Sstevel@tonic-gate 34847c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_all_links_from_cache\n"); 34857c478bd9Sstevel@tonic-gate 34867c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 34877c478bd9Sstevel@tonic-gate linkhead = nextlinkhead) { 34887c478bd9Sstevel@tonic-gate 34897c478bd9Sstevel@tonic-gate nextlinkhead = linkhead->nexthead; 34907c478bd9Sstevel@tonic-gate assert(linkhead->nextlink == NULL); 34917c478bd9Sstevel@tonic-gate for (link = linkhead->link; link != NULL; link = nextlink) { 34927c478bd9Sstevel@tonic-gate nextlink = link->next; 34937c478bd9Sstevel@tonic-gate free(link->devlink); 34947c478bd9Sstevel@tonic-gate free(link->contents); 34957c478bd9Sstevel@tonic-gate free(link); 34967c478bd9Sstevel@tonic-gate } 34977c478bd9Sstevel@tonic-gate regfree(&(linkhead->dir_re_compiled)); 34987c478bd9Sstevel@tonic-gate free(linkhead->dir_re); 34997c478bd9Sstevel@tonic-gate free(linkhead); 35007c478bd9Sstevel@tonic-gate } 35017c478bd9Sstevel@tonic-gate headlinkhead = NULL; 35027c478bd9Sstevel@tonic-gate } 35037c478bd9Sstevel@tonic-gate 35047c478bd9Sstevel@tonic-gate /* 35057c478bd9Sstevel@tonic-gate * Called when the kernel has modified the incore path_to_inst data. This 35067c478bd9Sstevel@tonic-gate * function will schedule a flush of the data to the filesystem. 35077c478bd9Sstevel@tonic-gate */ 35087c478bd9Sstevel@tonic-gate static void 35097c478bd9Sstevel@tonic-gate devfs_instance_mod(void) 35107c478bd9Sstevel@tonic-gate { 35117c478bd9Sstevel@tonic-gate char *fcn = "devfs_instance_mod: "; 35127c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "%senter\n", fcn); 35137c478bd9Sstevel@tonic-gate 35147c478bd9Sstevel@tonic-gate /* signal instance thread */ 35157c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 35167c478bd9Sstevel@tonic-gate inst_count++; 35177c478bd9Sstevel@tonic-gate (void) cond_signal(&cv); 35187c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 35197c478bd9Sstevel@tonic-gate } 35207c478bd9Sstevel@tonic-gate 35217c478bd9Sstevel@tonic-gate static void 35227c478bd9Sstevel@tonic-gate instance_flush_thread(void) 35237c478bd9Sstevel@tonic-gate { 35247c478bd9Sstevel@tonic-gate int i; 35257c478bd9Sstevel@tonic-gate int idle; 35267c478bd9Sstevel@tonic-gate 35277c478bd9Sstevel@tonic-gate for (;;) { 35287c478bd9Sstevel@tonic-gate 35297c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 35307c478bd9Sstevel@tonic-gate while (inst_count == 0) { 35317c478bd9Sstevel@tonic-gate (void) cond_wait(&cv, &count_lock); 35327c478bd9Sstevel@tonic-gate } 35337c478bd9Sstevel@tonic-gate inst_count = 0; 35347c478bd9Sstevel@tonic-gate 35357c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "signaled to flush path_to_inst." 35367c478bd9Sstevel@tonic-gate " Enter delay loop\n"); 35377c478bd9Sstevel@tonic-gate /* 35387c478bd9Sstevel@tonic-gate * Wait MAX_IDLE_DELAY seconds after getting the last flush 35397c478bd9Sstevel@tonic-gate * path_to_inst event before invoking a flush, but never wait 35407c478bd9Sstevel@tonic-gate * more than MAX_DELAY seconds after getting the first event. 35417c478bd9Sstevel@tonic-gate */ 35427c478bd9Sstevel@tonic-gate for (idle = 0, i = 0; i < MAX_DELAY; i++) { 35437c478bd9Sstevel@tonic-gate 35447c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 35457c478bd9Sstevel@tonic-gate (void) sleep(1); 35467c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 35477c478bd9Sstevel@tonic-gate 35487c478bd9Sstevel@tonic-gate /* shorten the delay if we are idle */ 35497c478bd9Sstevel@tonic-gate if (inst_count == 0) { 35507c478bd9Sstevel@tonic-gate idle++; 35517c478bd9Sstevel@tonic-gate if (idle > MAX_IDLE_DELAY) { 35527c478bd9Sstevel@tonic-gate break; 35537c478bd9Sstevel@tonic-gate } 35547c478bd9Sstevel@tonic-gate } else { 35557c478bd9Sstevel@tonic-gate inst_count = idle = 0; 35567c478bd9Sstevel@tonic-gate } 35577c478bd9Sstevel@tonic-gate } 35587c478bd9Sstevel@tonic-gate 35597c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 35607c478bd9Sstevel@tonic-gate 35617c478bd9Sstevel@tonic-gate flush_path_to_inst(); 35627c478bd9Sstevel@tonic-gate } 35637c478bd9Sstevel@tonic-gate } 35647c478bd9Sstevel@tonic-gate 35657c478bd9Sstevel@tonic-gate /* 35667c478bd9Sstevel@tonic-gate * Helper function for flush_path_to_inst() below; this routine calls the 35677c478bd9Sstevel@tonic-gate * inst_sync syscall to flush the path_to_inst database to the given file. 35687c478bd9Sstevel@tonic-gate */ 35697c478bd9Sstevel@tonic-gate static int 35707c478bd9Sstevel@tonic-gate do_inst_sync(char *filename) 35717c478bd9Sstevel@tonic-gate { 35727c478bd9Sstevel@tonic-gate void (*sigsaved)(int); 35737c478bd9Sstevel@tonic-gate int err = 0; 35747c478bd9Sstevel@tonic-gate 35757c478bd9Sstevel@tonic-gate vprint(INSTSYNC_MID, "do_inst_sync: about to flush %s\n", filename); 35767c478bd9Sstevel@tonic-gate sigsaved = sigset(SIGSYS, SIG_IGN); 35777c478bd9Sstevel@tonic-gate if (inst_sync(filename, 0) == -1) 35787c478bd9Sstevel@tonic-gate err = errno; 35797c478bd9Sstevel@tonic-gate (void) sigset(SIGSYS, sigsaved); 35807c478bd9Sstevel@tonic-gate 35817c478bd9Sstevel@tonic-gate switch (err) { 35827c478bd9Sstevel@tonic-gate case 0: 35837c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 35847c478bd9Sstevel@tonic-gate case EALREADY: /* no-op, path_to_inst already up to date */ 35857c478bd9Sstevel@tonic-gate return (EALREADY); 35867c478bd9Sstevel@tonic-gate case ENOSYS: 35877c478bd9Sstevel@tonic-gate err_print(CANT_LOAD_SYSCALL); 35887c478bd9Sstevel@tonic-gate break; 35897c478bd9Sstevel@tonic-gate case EPERM: 35907c478bd9Sstevel@tonic-gate err_print(SUPER_TO_SYNC); 35917c478bd9Sstevel@tonic-gate break; 35927c478bd9Sstevel@tonic-gate default: 35937c478bd9Sstevel@tonic-gate err_print(INSTSYNC_FAILED, filename, strerror(err)); 35947c478bd9Sstevel@tonic-gate break; 35957c478bd9Sstevel@tonic-gate } 35967c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 35977c478bd9Sstevel@tonic-gate } 35987c478bd9Sstevel@tonic-gate 35997c478bd9Sstevel@tonic-gate /* 36007c478bd9Sstevel@tonic-gate * Flush the kernel's path_to_inst database to /etc/path_to_inst. To do so 36017c478bd9Sstevel@tonic-gate * safely, the database is flushed to a temporary file, then moved into place. 36027c478bd9Sstevel@tonic-gate * 36037c478bd9Sstevel@tonic-gate * The following files are used during this process: 36047c478bd9Sstevel@tonic-gate * /etc/path_to_inst: The path_to_inst file 36057c478bd9Sstevel@tonic-gate * /etc/path_to_inst.<pid>: Contains data flushed from the kernel 36067c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old: The backup file 36077c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old.<pid>: Temp file for creating backup 36087c478bd9Sstevel@tonic-gate * 36097c478bd9Sstevel@tonic-gate */ 36107c478bd9Sstevel@tonic-gate static void 36117c478bd9Sstevel@tonic-gate flush_path_to_inst(void) 36127c478bd9Sstevel@tonic-gate { 36137c478bd9Sstevel@tonic-gate char *new_inst_file = NULL; 36147c478bd9Sstevel@tonic-gate char *old_inst_file = NULL; 36157c478bd9Sstevel@tonic-gate char *old_inst_file_npid = NULL; 36167c478bd9Sstevel@tonic-gate FILE *inst_file_fp = NULL; 36177c478bd9Sstevel@tonic-gate FILE *old_inst_file_fp = NULL; 36187c478bd9Sstevel@tonic-gate struct stat sb; 36197c478bd9Sstevel@tonic-gate int err = 0; 36207c478bd9Sstevel@tonic-gate int c; 36217c478bd9Sstevel@tonic-gate int inst_strlen; 36227c478bd9Sstevel@tonic-gate 36237c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "flush_path_to_inst: %s\n", 36247c478bd9Sstevel@tonic-gate (flush_path_to_inst_enable == TRUE) ? "ENABLED" : "DISABLED"); 36257c478bd9Sstevel@tonic-gate 36267c478bd9Sstevel@tonic-gate if (flush_path_to_inst_enable == FALSE) { 36277c478bd9Sstevel@tonic-gate return; 36287c478bd9Sstevel@tonic-gate } 36297c478bd9Sstevel@tonic-gate 36307c478bd9Sstevel@tonic-gate inst_strlen = strlen(inst_file); 36317c478bd9Sstevel@tonic-gate new_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 2); 36327c478bd9Sstevel@tonic-gate old_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 6); 36337c478bd9Sstevel@tonic-gate old_inst_file_npid = s_malloc(inst_strlen + 36347c478bd9Sstevel@tonic-gate sizeof (INSTANCE_FILE_SUFFIX)); 36357c478bd9Sstevel@tonic-gate 36367c478bd9Sstevel@tonic-gate (void) snprintf(new_inst_file, inst_strlen + PID_STR_LEN + 2, 36377c478bd9Sstevel@tonic-gate "%s.%ld", inst_file, getpid()); 36387c478bd9Sstevel@tonic-gate 36397c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 36407c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 36417c478bd9Sstevel@tonic-gate } 36427c478bd9Sstevel@tonic-gate 36437c478bd9Sstevel@tonic-gate if ((err = do_inst_sync(new_inst_file)) != DEVFSADM_SUCCESS) { 36447c478bd9Sstevel@tonic-gate goto out; 36457c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 36467c478bd9Sstevel@tonic-gate } 36477c478bd9Sstevel@tonic-gate 36487c478bd9Sstevel@tonic-gate /* 36497c478bd9Sstevel@tonic-gate * Now we deal with the somewhat tricky updating and renaming 36507c478bd9Sstevel@tonic-gate * of this critical piece of kernel state. 36517c478bd9Sstevel@tonic-gate */ 36527c478bd9Sstevel@tonic-gate 36537c478bd9Sstevel@tonic-gate /* 36547c478bd9Sstevel@tonic-gate * Copy the current instance file into a temporary file. 36557c478bd9Sstevel@tonic-gate * Then rename the temporary file into the backup (.old) 36567c478bd9Sstevel@tonic-gate * file and rename the newly flushed kernel data into 36577c478bd9Sstevel@tonic-gate * the instance file. 36587c478bd9Sstevel@tonic-gate * Of course if 'inst_file' doesn't exist, there's much 36597c478bd9Sstevel@tonic-gate * less for us to do .. tee hee. 36607c478bd9Sstevel@tonic-gate */ 36617c478bd9Sstevel@tonic-gate if ((inst_file_fp = fopen(inst_file, "r")) == NULL) { 36627c478bd9Sstevel@tonic-gate /* 36637c478bd9Sstevel@tonic-gate * No such file. Rename the new onto the old 36647c478bd9Sstevel@tonic-gate */ 36657c478bd9Sstevel@tonic-gate if ((err = rename(new_inst_file, inst_file)) != 0) 36667c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 36677c478bd9Sstevel@tonic-gate goto out; 36687c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 36697c478bd9Sstevel@tonic-gate } 36707c478bd9Sstevel@tonic-gate 36717c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file, inst_strlen + PID_STR_LEN + 6, 36727c478bd9Sstevel@tonic-gate "%s.old.%ld", inst_file, getpid()); 36737c478bd9Sstevel@tonic-gate 36747c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 36757c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 36767c478bd9Sstevel@tonic-gate } 36777c478bd9Sstevel@tonic-gate 36787c478bd9Sstevel@tonic-gate if ((old_inst_file_fp = fopen(old_inst_file, "w")) == NULL) { 36797c478bd9Sstevel@tonic-gate /* 36807c478bd9Sstevel@tonic-gate * Can't open the 'old_inst_file' file for writing. 36817c478bd9Sstevel@tonic-gate * This is somewhat strange given that the syscall 36827c478bd9Sstevel@tonic-gate * just succeeded to write a file out.. hmm.. maybe 36837c478bd9Sstevel@tonic-gate * the fs just filled up or something nasty. 36847c478bd9Sstevel@tonic-gate * 36857c478bd9Sstevel@tonic-gate * Anyway, abort what we've done so far. 36867c478bd9Sstevel@tonic-gate */ 36877c478bd9Sstevel@tonic-gate err_print(CANT_UPDATE, old_inst_file); 36887c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 36897c478bd9Sstevel@tonic-gate goto out; 36907c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 36917c478bd9Sstevel@tonic-gate } 36927c478bd9Sstevel@tonic-gate 36937c478bd9Sstevel@tonic-gate /* 36947c478bd9Sstevel@tonic-gate * Copy current instance file into the temporary file 36957c478bd9Sstevel@tonic-gate */ 36967c478bd9Sstevel@tonic-gate err = 0; 36977c478bd9Sstevel@tonic-gate while ((c = getc(inst_file_fp)) != EOF) { 36987c478bd9Sstevel@tonic-gate if ((err = putc(c, old_inst_file_fp)) == EOF) { 36997c478bd9Sstevel@tonic-gate break; 37007c478bd9Sstevel@tonic-gate } 37017c478bd9Sstevel@tonic-gate } 37027c478bd9Sstevel@tonic-gate 37037c478bd9Sstevel@tonic-gate if (fclose(old_inst_file_fp) == EOF || err == EOF) { 37047c478bd9Sstevel@tonic-gate vprint(INFO_MID, CANT_UPDATE, old_inst_file); 37057c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 37067c478bd9Sstevel@tonic-gate goto out; 37077c478bd9Sstevel@tonic-gate /* NOTREACHED */ 37087c478bd9Sstevel@tonic-gate } 37097c478bd9Sstevel@tonic-gate 37107c478bd9Sstevel@tonic-gate /* 37117c478bd9Sstevel@tonic-gate * Set permissions to be the same on the backup as 37127c478bd9Sstevel@tonic-gate * /etc/path_to_inst. 37137c478bd9Sstevel@tonic-gate */ 37147c478bd9Sstevel@tonic-gate (void) chmod(old_inst_file, 0444); 37157c478bd9Sstevel@tonic-gate 37167c478bd9Sstevel@tonic-gate /* 37177c478bd9Sstevel@tonic-gate * So far, everything we've done is more or less reversible. 37187c478bd9Sstevel@tonic-gate * But now we're going to commit ourselves. 37197c478bd9Sstevel@tonic-gate */ 37207c478bd9Sstevel@tonic-gate 37217c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file_npid, 37227c478bd9Sstevel@tonic-gate inst_strlen + sizeof (INSTANCE_FILE_SUFFIX), 37237c478bd9Sstevel@tonic-gate "%s%s", inst_file, INSTANCE_FILE_SUFFIX); 37247c478bd9Sstevel@tonic-gate 37257c478bd9Sstevel@tonic-gate if ((err = rename(old_inst_file, old_inst_file_npid)) != 0) { 37267c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, old_inst_file_npid, 37277c478bd9Sstevel@tonic-gate strerror(errno)); 37287c478bd9Sstevel@tonic-gate } else if ((err = rename(new_inst_file, inst_file)) != 0) { 37297c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 37307c478bd9Sstevel@tonic-gate } 37317c478bd9Sstevel@tonic-gate 37327c478bd9Sstevel@tonic-gate out: 37337c478bd9Sstevel@tonic-gate if (inst_file_fp != NULL) { 37347c478bd9Sstevel@tonic-gate if (fclose(inst_file_fp) == EOF) { 37357c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, inst_file, strerror(errno)); 37367c478bd9Sstevel@tonic-gate } 37377c478bd9Sstevel@tonic-gate } 37387c478bd9Sstevel@tonic-gate 37397c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 37407c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 37417c478bd9Sstevel@tonic-gate } 37427c478bd9Sstevel@tonic-gate free(new_inst_file); 37437c478bd9Sstevel@tonic-gate 37447c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 37457c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 37467c478bd9Sstevel@tonic-gate } 37477c478bd9Sstevel@tonic-gate free(old_inst_file); 37487c478bd9Sstevel@tonic-gate 37497c478bd9Sstevel@tonic-gate free(old_inst_file_npid); 37507c478bd9Sstevel@tonic-gate 37517c478bd9Sstevel@tonic-gate if (err != 0 && err != EALREADY) { 37527c478bd9Sstevel@tonic-gate err_print(FAILED_TO_UPDATE, inst_file); 37537c478bd9Sstevel@tonic-gate } 37547c478bd9Sstevel@tonic-gate } 37557c478bd9Sstevel@tonic-gate 37567c478bd9Sstevel@tonic-gate /* 37577c478bd9Sstevel@tonic-gate * detach from tty. For daemon mode. 37587c478bd9Sstevel@tonic-gate */ 37597c478bd9Sstevel@tonic-gate void 37607c478bd9Sstevel@tonic-gate detachfromtty() 37617c478bd9Sstevel@tonic-gate { 37627c478bd9Sstevel@tonic-gate (void) setsid(); 37637c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON == TRUE) { 37647c478bd9Sstevel@tonic-gate return; 37657c478bd9Sstevel@tonic-gate } 37667c478bd9Sstevel@tonic-gate 37677c478bd9Sstevel@tonic-gate (void) close(0); 37687c478bd9Sstevel@tonic-gate (void) close(1); 37697c478bd9Sstevel@tonic-gate (void) close(2); 37707c478bd9Sstevel@tonic-gate (void) open("/dev/null", O_RDWR, 0); 37717c478bd9Sstevel@tonic-gate (void) dup(0); 37727c478bd9Sstevel@tonic-gate (void) dup(0); 37737c478bd9Sstevel@tonic-gate openlog(DEVFSADMD, LOG_PID, LOG_DAEMON); 37747c478bd9Sstevel@tonic-gate (void) setlogmask(LOG_UPTO(LOG_INFO)); 37757c478bd9Sstevel@tonic-gate logflag = TRUE; 37767c478bd9Sstevel@tonic-gate } 37777c478bd9Sstevel@tonic-gate 37787c478bd9Sstevel@tonic-gate /* 37797c478bd9Sstevel@tonic-gate * Use an advisory lock to synchronize updates to /dev. If the lock is 37807c478bd9Sstevel@tonic-gate * held by another process, block in the fcntl() system call until that 37817c478bd9Sstevel@tonic-gate * process drops the lock or exits. The lock file itself is 37827c478bd9Sstevel@tonic-gate * DEV_LOCK_FILE. The process id of the current and last process owning 37837c478bd9Sstevel@tonic-gate * the lock is kept in the lock file. After acquiring the lock, read the 37847c478bd9Sstevel@tonic-gate * process id and return it. It is the process ID which last owned the 37857c478bd9Sstevel@tonic-gate * lock, and will be used to determine if caches need to be flushed. 37867c478bd9Sstevel@tonic-gate * 37877c478bd9Sstevel@tonic-gate * NOTE: if the devlink database is held open by the caller, it may 37887c478bd9Sstevel@tonic-gate * be closed by this routine. This is to enforce the following lock ordering: 37897c478bd9Sstevel@tonic-gate * 1) /dev lock 2) database open 37907c478bd9Sstevel@tonic-gate */ 37917c478bd9Sstevel@tonic-gate pid_t 37927c478bd9Sstevel@tonic-gate enter_dev_lock() 37937c478bd9Sstevel@tonic-gate { 37947c478bd9Sstevel@tonic-gate struct flock lock; 37957c478bd9Sstevel@tonic-gate int n; 37967c478bd9Sstevel@tonic-gate pid_t pid; 37977c478bd9Sstevel@tonic-gate pid_t last_owner_pid; 37987c478bd9Sstevel@tonic-gate 37997c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 38007c478bd9Sstevel@tonic-gate return (0); 38017c478bd9Sstevel@tonic-gate } 38027c478bd9Sstevel@tonic-gate 38037c478bd9Sstevel@tonic-gate (void) snprintf(dev_lockfile, sizeof (dev_lockfile), 3804*facf4a8dSllai "%s/%s", etc_dev_dir, DEV_LOCK_FILE); 38057c478bd9Sstevel@tonic-gate 38067c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_dev_lock: lock file %s\n", dev_lockfile); 38077c478bd9Sstevel@tonic-gate 38087c478bd9Sstevel@tonic-gate dev_lock_fd = open(dev_lockfile, O_CREAT|O_RDWR, 0644); 38097c478bd9Sstevel@tonic-gate if (dev_lock_fd < 0) { 38107c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, dev_lockfile, strerror(errno)); 38117c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38127c478bd9Sstevel@tonic-gate } 38137c478bd9Sstevel@tonic-gate 38147c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 38157c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 38167c478bd9Sstevel@tonic-gate lock.l_start = 0; 38177c478bd9Sstevel@tonic-gate lock.l_len = 0; 38187c478bd9Sstevel@tonic-gate 38197c478bd9Sstevel@tonic-gate /* try for the lock, but don't wait */ 38207c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &lock) == -1) { 38217c478bd9Sstevel@tonic-gate if ((errno == EACCES) || (errno == EAGAIN)) { 38227c478bd9Sstevel@tonic-gate pid = 0; 38237c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 38247c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "waiting for PID %d to complete\n", 38257c478bd9Sstevel@tonic-gate (int)pid); 38267c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 38277c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, 38287c478bd9Sstevel@tonic-gate strerror(errno)); 38297c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38307c478bd9Sstevel@tonic-gate } 38317c478bd9Sstevel@tonic-gate /* 38327c478bd9Sstevel@tonic-gate * wait for the dev lock. If we have the database open, 38337c478bd9Sstevel@tonic-gate * close it first - the order of lock acquisition should 38347c478bd9Sstevel@tonic-gate * always be: 1) dev_lock 2) database 38357c478bd9Sstevel@tonic-gate * This is to prevent deadlocks with any locks the 38367c478bd9Sstevel@tonic-gate * database code may hold. 38377c478bd9Sstevel@tonic-gate */ 38387c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 38397c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLKW, &lock) == -1) { 38407c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, dev_lockfile, 38417c478bd9Sstevel@tonic-gate strerror(errno)); 38427c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38437c478bd9Sstevel@tonic-gate } 38447c478bd9Sstevel@tonic-gate } 38457c478bd9Sstevel@tonic-gate } 38467c478bd9Sstevel@tonic-gate 38477c478bd9Sstevel@tonic-gate hold_dev_lock = TRUE; 38487c478bd9Sstevel@tonic-gate pid = 0; 38497c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 38507c478bd9Sstevel@tonic-gate if (n == sizeof (pid_t) && pid == getpid()) { 38517c478bd9Sstevel@tonic-gate return (pid); 38527c478bd9Sstevel@tonic-gate } 38537c478bd9Sstevel@tonic-gate 38547c478bd9Sstevel@tonic-gate last_owner_pid = pid; 38557c478bd9Sstevel@tonic-gate 38567c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 38577c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, strerror(errno)); 38587c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38597c478bd9Sstevel@tonic-gate } 38607c478bd9Sstevel@tonic-gate pid = getpid(); 38617c478bd9Sstevel@tonic-gate n = write(dev_lock_fd, &pid, sizeof (pid_t)); 38627c478bd9Sstevel@tonic-gate if (n != sizeof (pid_t)) { 38637c478bd9Sstevel@tonic-gate err_print(WRITE_FAILED, dev_lockfile, strerror(errno)); 38647c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38657c478bd9Sstevel@tonic-gate } 38667c478bd9Sstevel@tonic-gate 38677c478bd9Sstevel@tonic-gate return (last_owner_pid); 38687c478bd9Sstevel@tonic-gate } 38697c478bd9Sstevel@tonic-gate 38707c478bd9Sstevel@tonic-gate /* 38717c478bd9Sstevel@tonic-gate * Drop the advisory /dev lock, close lock file. Close and re-open the 38727c478bd9Sstevel@tonic-gate * file every time so to ensure a resync if for some reason the lock file 38737c478bd9Sstevel@tonic-gate * gets removed. 38747c478bd9Sstevel@tonic-gate */ 38757c478bd9Sstevel@tonic-gate void 38767c478bd9Sstevel@tonic-gate exit_dev_lock() 38777c478bd9Sstevel@tonic-gate { 38787c478bd9Sstevel@tonic-gate struct flock unlock; 38797c478bd9Sstevel@tonic-gate 38807c478bd9Sstevel@tonic-gate if (hold_dev_lock == FALSE) { 38817c478bd9Sstevel@tonic-gate return; 38827c478bd9Sstevel@tonic-gate } 38837c478bd9Sstevel@tonic-gate 38847c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "exit_dev_lock: lock file %s\n", dev_lockfile); 38857c478bd9Sstevel@tonic-gate 38867c478bd9Sstevel@tonic-gate unlock.l_type = F_UNLCK; 38877c478bd9Sstevel@tonic-gate unlock.l_whence = SEEK_SET; 38887c478bd9Sstevel@tonic-gate unlock.l_start = 0; 38897c478bd9Sstevel@tonic-gate unlock.l_len = 0; 38907c478bd9Sstevel@tonic-gate 38917c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &unlock) == -1) { 38927c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, dev_lockfile, strerror(errno)); 38937c478bd9Sstevel@tonic-gate } 38947c478bd9Sstevel@tonic-gate 38957c478bd9Sstevel@tonic-gate hold_dev_lock = FALSE; 38967c478bd9Sstevel@tonic-gate 38977c478bd9Sstevel@tonic-gate if (close(dev_lock_fd) == -1) { 38987c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, dev_lockfile, strerror(errno)); 38997c478bd9Sstevel@tonic-gate devfsadm_exit(1); 39007c478bd9Sstevel@tonic-gate } 39017c478bd9Sstevel@tonic-gate } 39027c478bd9Sstevel@tonic-gate 39037c478bd9Sstevel@tonic-gate /* 39047c478bd9Sstevel@tonic-gate * 39057c478bd9Sstevel@tonic-gate * Use an advisory lock to ensure that only one daemon process is active 39067c478bd9Sstevel@tonic-gate * in the system at any point in time. If the lock is held by another 39077c478bd9Sstevel@tonic-gate * process, do not block but return the pid owner of the lock to the 39087c478bd9Sstevel@tonic-gate * caller immediately. The lock is cleared if the holding daemon process 39097c478bd9Sstevel@tonic-gate * exits for any reason even if the lock file remains, so the daemon can 39107c478bd9Sstevel@tonic-gate * be restarted if necessary. The lock file is DAEMON_LOCK_FILE. 39117c478bd9Sstevel@tonic-gate */ 39127c478bd9Sstevel@tonic-gate pid_t 39137c478bd9Sstevel@tonic-gate enter_daemon_lock(void) 39147c478bd9Sstevel@tonic-gate { 39157c478bd9Sstevel@tonic-gate struct flock lock; 39167c478bd9Sstevel@tonic-gate 39177c478bd9Sstevel@tonic-gate (void) snprintf(daemon_lockfile, sizeof (daemon_lockfile), 3918*facf4a8dSllai "%s/%s", etc_dev_dir, DAEMON_LOCK_FILE); 39197c478bd9Sstevel@tonic-gate 39207c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_daemon_lock: lock file %s\n", daemon_lockfile); 39217c478bd9Sstevel@tonic-gate 39227c478bd9Sstevel@tonic-gate daemon_lock_fd = open(daemon_lockfile, O_CREAT|O_RDWR, 0644); 39237c478bd9Sstevel@tonic-gate if (daemon_lock_fd < 0) { 39247c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, daemon_lockfile, strerror(errno)); 39257c478bd9Sstevel@tonic-gate devfsadm_exit(1); 39267c478bd9Sstevel@tonic-gate } 39277c478bd9Sstevel@tonic-gate 39287c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 39297c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 39307c478bd9Sstevel@tonic-gate lock.l_start = 0; 39317c478bd9Sstevel@tonic-gate lock.l_len = 0; 39327c478bd9Sstevel@tonic-gate 39337c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 39347c478bd9Sstevel@tonic-gate 39357c478bd9Sstevel@tonic-gate if (errno == EAGAIN || errno == EDEADLK) { 39367c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_GETLK, &lock) == -1) { 39377c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, daemon_lockfile, 39387c478bd9Sstevel@tonic-gate strerror(errno)); 39397c478bd9Sstevel@tonic-gate devfsadm_exit(1); 39407c478bd9Sstevel@tonic-gate } 39417c478bd9Sstevel@tonic-gate return (lock.l_pid); 39427c478bd9Sstevel@tonic-gate } 39437c478bd9Sstevel@tonic-gate } 39447c478bd9Sstevel@tonic-gate hold_daemon_lock = TRUE; 39457c478bd9Sstevel@tonic-gate return (getpid()); 39467c478bd9Sstevel@tonic-gate } 39477c478bd9Sstevel@tonic-gate 39487c478bd9Sstevel@tonic-gate /* 39497c478bd9Sstevel@tonic-gate * Drop the advisory daemon lock, close lock file 39507c478bd9Sstevel@tonic-gate */ 39517c478bd9Sstevel@tonic-gate void 39527c478bd9Sstevel@tonic-gate exit_daemon_lock(void) 39537c478bd9Sstevel@tonic-gate { 39547c478bd9Sstevel@tonic-gate struct flock lock; 39557c478bd9Sstevel@tonic-gate 39567c478bd9Sstevel@tonic-gate if (hold_daemon_lock == FALSE) { 39577c478bd9Sstevel@tonic-gate return; 39587c478bd9Sstevel@tonic-gate } 39597c478bd9Sstevel@tonic-gate 39607c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "exit_daemon_lock: lock file %s\n", daemon_lockfile); 39617c478bd9Sstevel@tonic-gate 39627c478bd9Sstevel@tonic-gate lock.l_type = F_UNLCK; 39637c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 39647c478bd9Sstevel@tonic-gate lock.l_start = 0; 39657c478bd9Sstevel@tonic-gate lock.l_len = 0; 39667c478bd9Sstevel@tonic-gate 39677c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 39687c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, daemon_lockfile, strerror(errno)); 39697c478bd9Sstevel@tonic-gate } 39707c478bd9Sstevel@tonic-gate 39717c478bd9Sstevel@tonic-gate if (close(daemon_lock_fd) == -1) { 39727c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, daemon_lockfile, strerror(errno)); 39737c478bd9Sstevel@tonic-gate devfsadm_exit(1); 39747c478bd9Sstevel@tonic-gate } 39757c478bd9Sstevel@tonic-gate } 39767c478bd9Sstevel@tonic-gate 39777c478bd9Sstevel@tonic-gate /* 39787c478bd9Sstevel@tonic-gate * Called to removed danging nodes in two different modes: RM_PRE, RM_POST. 39797c478bd9Sstevel@tonic-gate * RM_PRE mode is called before processing the entire devinfo tree, and RM_POST 39807c478bd9Sstevel@tonic-gate * is called after processing the entire devinfo tree. 39817c478bd9Sstevel@tonic-gate */ 39827c478bd9Sstevel@tonic-gate static void 39837c478bd9Sstevel@tonic-gate pre_and_post_cleanup(int flags) 39847c478bd9Sstevel@tonic-gate { 39857c478bd9Sstevel@tonic-gate remove_list_t *rm; 39867c478bd9Sstevel@tonic-gate recurse_dev_t rd; 39877c478bd9Sstevel@tonic-gate cleanup_data_t cleanup_data; 39887c478bd9Sstevel@tonic-gate char *fcn = "pre_and_post_cleanup: "; 39897c478bd9Sstevel@tonic-gate 39907c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 39917c478bd9Sstevel@tonic-gate return; 39927c478bd9Sstevel@tonic-gate 39937c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "attempting %s-cleanup\n", 39947c478bd9Sstevel@tonic-gate flags == RM_PRE ? "pre" : "post"); 39957c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sflags = %d\n", fcn, flags); 39967c478bd9Sstevel@tonic-gate 39977c478bd9Sstevel@tonic-gate /* 39987c478bd9Sstevel@tonic-gate * the generic function recurse_dev_re is shared among different 39997c478bd9Sstevel@tonic-gate * functions, so set the method and data that it should use for 40007c478bd9Sstevel@tonic-gate * matches. 40017c478bd9Sstevel@tonic-gate */ 40027c478bd9Sstevel@tonic-gate rd.fcn = matching_dev; 40037c478bd9Sstevel@tonic-gate rd.data = (void *)&cleanup_data; 40047c478bd9Sstevel@tonic-gate cleanup_data.flags = flags; 40057c478bd9Sstevel@tonic-gate 40067c478bd9Sstevel@tonic-gate for (rm = remove_head; rm != NULL; rm = rm->next) { 40077c478bd9Sstevel@tonic-gate if ((flags & rm->remove->flags) == flags) { 40087c478bd9Sstevel@tonic-gate cleanup_data.rm = rm; 40097c478bd9Sstevel@tonic-gate /* 40107c478bd9Sstevel@tonic-gate * If reached this point, RM_PRE or RM_POST cleanup is 40117c478bd9Sstevel@tonic-gate * desired. clean_ok() decides whether to clean 40127c478bd9Sstevel@tonic-gate * under the given circumstances. 40137c478bd9Sstevel@tonic-gate */ 40147c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%scleanup: PRE or POST\n", fcn); 40157c478bd9Sstevel@tonic-gate if (clean_ok(rm->remove) == DEVFSADM_SUCCESS) { 40167c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "cleanup: cleanup OK\n"); 40177c478bd9Sstevel@tonic-gate recurse_dev_re(dev_dir, rm->remove-> 40187c478bd9Sstevel@tonic-gate dev_dirs_re, &rd); 40197c478bd9Sstevel@tonic-gate } 40207c478bd9Sstevel@tonic-gate } 40217c478bd9Sstevel@tonic-gate } 40227c478bd9Sstevel@tonic-gate } 40237c478bd9Sstevel@tonic-gate 40247c478bd9Sstevel@tonic-gate /* 40257c478bd9Sstevel@tonic-gate * clean_ok() determines whether cleanup should be done according 40267c478bd9Sstevel@tonic-gate * to the following matrix: 40277c478bd9Sstevel@tonic-gate * 40287c478bd9Sstevel@tonic-gate * command line arguments RM_PRE RM_POST RM_PRE && RM_POST && 40297c478bd9Sstevel@tonic-gate * RM_ALWAYS RM_ALWAYS 40307c478bd9Sstevel@tonic-gate * ---------------------- ------ ----- --------- ---------- 40317c478bd9Sstevel@tonic-gate * 40327c478bd9Sstevel@tonic-gate * <neither -c nor -C> - - pre-clean post-clean 40337c478bd9Sstevel@tonic-gate * 40347c478bd9Sstevel@tonic-gate * -C pre-clean post-clean pre-clean post-clean 40357c478bd9Sstevel@tonic-gate * 40367c478bd9Sstevel@tonic-gate * -C -c class pre-clean post-clean pre-clean post-clean 40377c478bd9Sstevel@tonic-gate * if class if class if class if class 40387c478bd9Sstevel@tonic-gate * matches matches matches matches 40397c478bd9Sstevel@tonic-gate * 40407c478bd9Sstevel@tonic-gate * -c class - - pre-clean post-clean 40417c478bd9Sstevel@tonic-gate * if class if class 40427c478bd9Sstevel@tonic-gate * matches matches 40437c478bd9Sstevel@tonic-gate * 40447c478bd9Sstevel@tonic-gate */ 40457c478bd9Sstevel@tonic-gate static int 40467c478bd9Sstevel@tonic-gate clean_ok(devfsadm_remove_t *remove) 40477c478bd9Sstevel@tonic-gate { 40487c478bd9Sstevel@tonic-gate int i; 40497c478bd9Sstevel@tonic-gate 40507c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 40517c478bd9Sstevel@tonic-gate /* no cleanup at all when using -i option */ 40527c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40537c478bd9Sstevel@tonic-gate } 40547c478bd9Sstevel@tonic-gate 40557c478bd9Sstevel@tonic-gate /* 40567c478bd9Sstevel@tonic-gate * no cleanup if drivers are not loaded. We make an exception 40577c478bd9Sstevel@tonic-gate * for the "disks" program however, since disks has a public 40587c478bd9Sstevel@tonic-gate * cleanup flag (-C) and disk drivers are usually never 40597c478bd9Sstevel@tonic-gate * unloaded. 40607c478bd9Sstevel@tonic-gate */ 40617c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE && strcmp(prog, DISKS) != 0) { 40627c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40637c478bd9Sstevel@tonic-gate } 40647c478bd9Sstevel@tonic-gate 40657c478bd9Sstevel@tonic-gate /* if the cleanup flag was not specified, return false */ 40667c478bd9Sstevel@tonic-gate if ((cleanup == FALSE) && ((remove->flags & RM_ALWAYS) == 0)) { 40677c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40687c478bd9Sstevel@tonic-gate } 40697c478bd9Sstevel@tonic-gate 40707c478bd9Sstevel@tonic-gate if (num_classes == 0) { 40717c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 40727c478bd9Sstevel@tonic-gate } 40737c478bd9Sstevel@tonic-gate 40747c478bd9Sstevel@tonic-gate /* 40757c478bd9Sstevel@tonic-gate * if reached this point, check to see if the class in the given 40767c478bd9Sstevel@tonic-gate * remove structure matches a class given on the command line 40777c478bd9Sstevel@tonic-gate */ 40787c478bd9Sstevel@tonic-gate 40797c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 40807c478bd9Sstevel@tonic-gate if (strcmp(remove->device_class, classes[i]) == 0) { 40817c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 40827c478bd9Sstevel@tonic-gate } 40837c478bd9Sstevel@tonic-gate } 40847c478bd9Sstevel@tonic-gate 40857c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40867c478bd9Sstevel@tonic-gate } 40877c478bd9Sstevel@tonic-gate 40887c478bd9Sstevel@tonic-gate /* 40897c478bd9Sstevel@tonic-gate * Called to remove dangling nodes after receiving a hotplug event 40907c478bd9Sstevel@tonic-gate * containing the physical node pathname to be removed. 40917c478bd9Sstevel@tonic-gate */ 40927c478bd9Sstevel@tonic-gate void 40937c478bd9Sstevel@tonic-gate hot_cleanup(char *node_path, char *minor_name, char *ev_subclass, 40947c478bd9Sstevel@tonic-gate char *driver_name, int instance) 40957c478bd9Sstevel@tonic-gate { 40967c478bd9Sstevel@tonic-gate link_t *link; 40977c478bd9Sstevel@tonic-gate linkhead_t *head; 40987c478bd9Sstevel@tonic-gate remove_list_t *rm; 40997c478bd9Sstevel@tonic-gate char *fcn = "hot_cleanup: "; 41007c478bd9Sstevel@tonic-gate char path[PATH_MAX + 1]; 41017c478bd9Sstevel@tonic-gate int path_len; 41027c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 41037c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 4104fb9251a6Scth int skip; 41057c478bd9Sstevel@tonic-gate 41067c478bd9Sstevel@tonic-gate /* 41077c478bd9Sstevel@tonic-gate * dev links can go away as part of hot cleanup. 41087c478bd9Sstevel@tonic-gate * So first build event attributes in order capture dev links. 41097c478bd9Sstevel@tonic-gate */ 41107c478bd9Sstevel@tonic-gate if (ev_subclass != NULL) 41117c478bd9Sstevel@tonic-gate nvl = build_event_attributes(EC_DEV_REMOVE, ev_subclass, 41127c478bd9Sstevel@tonic-gate node_path, DI_NODE_NIL, driver_name, instance); 41137c478bd9Sstevel@tonic-gate 41147c478bd9Sstevel@tonic-gate (void) strcpy(path, node_path); 41157c478bd9Sstevel@tonic-gate (void) strcat(path, ":"); 41167c478bd9Sstevel@tonic-gate (void) strcat(path, minor_name == NULL ? "" : minor_name); 41177c478bd9Sstevel@tonic-gate 41187c478bd9Sstevel@tonic-gate path_len = strlen(path); 41197c478bd9Sstevel@tonic-gate 41207c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%spath=%s\n", fcn, path); 41217c478bd9Sstevel@tonic-gate 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; 4139fb9251a6Scth if (minor_name) 4140fb9251a6Scth skip = strcmp(link->contents, path); 4141fb9251a6Scth else 4142fb9251a6Scth skip = strncmp(link->contents, path, 4143fb9251a6Scth path_len); 4144fb9251a6Scth if (skip || 4145fb9251a6Scth (call_minor_init(rm->modptr) == 4146fb9251a6Scth DEVFSADM_FAILURE)) 4147fb9251a6Scth continue; 41487c478bd9Sstevel@tonic-gate 4149fb9251a6Scth vprint(REMOVE_MID, 4150fb9251a6Scth "%sremoving %s -> %s\n", fcn, 4151fb9251a6Scth link->devlink, link->contents); 4152fb9251a6Scth /* 4153fb9251a6Scth * Use a copy of the cached link name 4154fb9251a6Scth * as the cache entry will go away 4155fb9251a6Scth * during link removal 4156fb9251a6Scth */ 4157fb9251a6Scth (void) snprintf(rmlink, sizeof (rmlink), 4158fb9251a6Scth "%s", link->devlink); 4159fb9251a6Scth (*(rm->remove->callback_fcn))(rmlink); 41607c478bd9Sstevel@tonic-gate } 41617c478bd9Sstevel@tonic-gate } 41627c478bd9Sstevel@tonic-gate } 41637c478bd9Sstevel@tonic-gate 416445916cd2Sjpk /* update device allocation database */ 416545916cd2Sjpk if (system_labeled) { 416645916cd2Sjpk int ret = 0; 416745916cd2Sjpk int devtype = 0; 416845916cd2Sjpk char devname[MAXNAMELEN]; 416945916cd2Sjpk 417045916cd2Sjpk devname[0] = '\0'; 417145916cd2Sjpk if (strstr(node_path, DA_SOUND_NAME)) 417245916cd2Sjpk devtype = DA_AUDIO; 417345916cd2Sjpk else if (strstr(node_path, "disk")) 417445916cd2Sjpk devtype = DA_RMDISK; 417545916cd2Sjpk else 417645916cd2Sjpk goto out; 417745916cd2Sjpk ret = da_remove_list(&devlist, NULL, devtype, devname, 417845916cd2Sjpk sizeof (devname)); 417945916cd2Sjpk if (ret != -1) 418045916cd2Sjpk (void) _update_devalloc_db(&devlist, devtype, DA_REMOVE, 418145916cd2Sjpk devname, root_dir); 418245916cd2Sjpk } 418345916cd2Sjpk 418445916cd2Sjpk out: 41857c478bd9Sstevel@tonic-gate /* now log an event */ 41867c478bd9Sstevel@tonic-gate if (nvl) { 41877c478bd9Sstevel@tonic-gate log_event(EC_DEV_REMOVE, ev_subclass, nvl); 41887c478bd9Sstevel@tonic-gate free(nvl); 41897c478bd9Sstevel@tonic-gate } 41907c478bd9Sstevel@tonic-gate } 41917c478bd9Sstevel@tonic-gate 41927c478bd9Sstevel@tonic-gate /* 41937c478bd9Sstevel@tonic-gate * Open the dir current_dir. For every file which matches the first dir 41947c478bd9Sstevel@tonic-gate * component of path_re, recurse. If there are no more *dir* path 41957c478bd9Sstevel@tonic-gate * components left in path_re (ie no more /), then call function rd->fcn. 41967c478bd9Sstevel@tonic-gate */ 41977c478bd9Sstevel@tonic-gate static void 41987c478bd9Sstevel@tonic-gate recurse_dev_re(char *current_dir, char *path_re, recurse_dev_t *rd) 41997c478bd9Sstevel@tonic-gate { 42007c478bd9Sstevel@tonic-gate regex_t re1; 42017c478bd9Sstevel@tonic-gate char *slash; 42027c478bd9Sstevel@tonic-gate char new_path[PATH_MAX + 1]; 42037c478bd9Sstevel@tonic-gate char *anchored_path_re; 42047c478bd9Sstevel@tonic-gate size_t len; 4205*facf4a8dSllai char *pathlist; 4206*facf4a8dSllai char *listp; 42077c478bd9Sstevel@tonic-gate 42087c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: curr = %s path=%s\n", 42097c478bd9Sstevel@tonic-gate current_dir, path_re); 42107c478bd9Sstevel@tonic-gate 4211*facf4a8dSllai if ((pathlist = dev_readdir(current_dir)) == NULL) 42127c478bd9Sstevel@tonic-gate return; 42137c478bd9Sstevel@tonic-gate 42147c478bd9Sstevel@tonic-gate len = strlen(path_re); 42157c478bd9Sstevel@tonic-gate if ((slash = strchr(path_re, '/')) != NULL) { 42167c478bd9Sstevel@tonic-gate len = (slash - path_re); 42177c478bd9Sstevel@tonic-gate } 42187c478bd9Sstevel@tonic-gate 42197c478bd9Sstevel@tonic-gate anchored_path_re = s_malloc(len + 3); 42207c478bd9Sstevel@tonic-gate (void) sprintf(anchored_path_re, "^%.*s$", len, path_re); 42217c478bd9Sstevel@tonic-gate 42227c478bd9Sstevel@tonic-gate if (regcomp(&re1, anchored_path_re, REG_EXTENDED) != 0) { 42237c478bd9Sstevel@tonic-gate free(anchored_path_re); 42247c478bd9Sstevel@tonic-gate goto out; 42257c478bd9Sstevel@tonic-gate } 42267c478bd9Sstevel@tonic-gate 42277c478bd9Sstevel@tonic-gate free(anchored_path_re); 42287c478bd9Sstevel@tonic-gate 4229*facf4a8dSllai for (listp = pathlist; (len = strlen(listp)) > 0; listp += len+1) { 42307c478bd9Sstevel@tonic-gate 4231*facf4a8dSllai if (regexec(&re1, listp, 0, NULL, 0) == 0) { 42327c478bd9Sstevel@tonic-gate /* match */ 42337c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 42347c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 4235*facf4a8dSllai (void) strcat(new_path, listp); 42367c478bd9Sstevel@tonic-gate 42377c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: match, new " 42387c478bd9Sstevel@tonic-gate "path = %s\n", new_path); 42397c478bd9Sstevel@tonic-gate 42407c478bd9Sstevel@tonic-gate if (slash != NULL) { 42417c478bd9Sstevel@tonic-gate recurse_dev_re(new_path, slash + 1, rd); 42427c478bd9Sstevel@tonic-gate } else { 42437c478bd9Sstevel@tonic-gate /* reached the leaf component of path_re */ 42447c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, 42457c478bd9Sstevel@tonic-gate "recurse_dev_re: calling fcn\n"); 42467c478bd9Sstevel@tonic-gate (*(rd->fcn))(new_path, rd->data); 42477c478bd9Sstevel@tonic-gate } 42487c478bd9Sstevel@tonic-gate } 42497c478bd9Sstevel@tonic-gate } 42507c478bd9Sstevel@tonic-gate 42517c478bd9Sstevel@tonic-gate regfree(&re1); 42527c478bd9Sstevel@tonic-gate 42537c478bd9Sstevel@tonic-gate out: 4254*facf4a8dSllai free(pathlist); 42557c478bd9Sstevel@tonic-gate } 42567c478bd9Sstevel@tonic-gate 42577c478bd9Sstevel@tonic-gate /* 42587c478bd9Sstevel@tonic-gate * Found a devpath which matches a RE in the remove structure. 42597c478bd9Sstevel@tonic-gate * Now check to see if it is dangling. 42607c478bd9Sstevel@tonic-gate */ 42617c478bd9Sstevel@tonic-gate static void 42627c478bd9Sstevel@tonic-gate matching_dev(char *devpath, void *data) 42637c478bd9Sstevel@tonic-gate { 42647c478bd9Sstevel@tonic-gate cleanup_data_t *cleanup_data = data; 42657c478bd9Sstevel@tonic-gate char *fcn = "matching_dev: "; 42667c478bd9Sstevel@tonic-gate 42677c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "%sexamining devpath = '%s'\n", fcn, 42687c478bd9Sstevel@tonic-gate devpath); 42697c478bd9Sstevel@tonic-gate 42707c478bd9Sstevel@tonic-gate if (resolve_link(devpath, NULL, NULL, NULL, 1) == TRUE) { 42717c478bd9Sstevel@tonic-gate if (call_minor_init(cleanup_data->rm->modptr) == 42727c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 42737c478bd9Sstevel@tonic-gate return; 42747c478bd9Sstevel@tonic-gate } 42757c478bd9Sstevel@tonic-gate 42767c478bd9Sstevel@tonic-gate devpath += strlen(dev_dir) + strlen("/"); 42777c478bd9Sstevel@tonic-gate 42787c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "%scalling" 42797c478bd9Sstevel@tonic-gate " callback %s\n", fcn, devpath); 42807c478bd9Sstevel@tonic-gate (*(cleanup_data->rm->remove->callback_fcn))(devpath); 42817c478bd9Sstevel@tonic-gate } 42827c478bd9Sstevel@tonic-gate } 42837c478bd9Sstevel@tonic-gate 42847c478bd9Sstevel@tonic-gate int 42857c478bd9Sstevel@tonic-gate devfsadm_read_link(char *link, char **devfs_path) 42867c478bd9Sstevel@tonic-gate { 42877c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 42887c478bd9Sstevel@tonic-gate 42897c478bd9Sstevel@tonic-gate *devfs_path = NULL; 42907c478bd9Sstevel@tonic-gate 42917c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 42927c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 42937c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 42947c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 42957c478bd9Sstevel@tonic-gate 42967c478bd9Sstevel@tonic-gate /* We *don't* want a stat of the /devices node */ 42977c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, devfs_path, 0); 42987c478bd9Sstevel@tonic-gate 42997c478bd9Sstevel@tonic-gate return (*devfs_path ? DEVFSADM_SUCCESS : DEVFSADM_FAILURE); 43007c478bd9Sstevel@tonic-gate } 43017c478bd9Sstevel@tonic-gate 43027c478bd9Sstevel@tonic-gate int 43037c478bd9Sstevel@tonic-gate devfsadm_link_valid(char *link) 43047c478bd9Sstevel@tonic-gate { 43057c478bd9Sstevel@tonic-gate struct stat sb; 430645916cd2Sjpk char devlink[PATH_MAX + 1], *contents = NULL; 43077c478bd9Sstevel@tonic-gate int rv, type; 430845916cd2Sjpk int instance = 0; 43097c478bd9Sstevel@tonic-gate 43107c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 43117c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 43127c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 43137c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 43147c478bd9Sstevel@tonic-gate 4315*facf4a8dSllai if (!device_exists(devlink) || lstat(devlink, &sb) != 0) { 43167c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 43177c478bd9Sstevel@tonic-gate } 43187c478bd9Sstevel@tonic-gate 43197c478bd9Sstevel@tonic-gate contents = NULL; 43207c478bd9Sstevel@tonic-gate type = 0; 43217c478bd9Sstevel@tonic-gate if (resolve_link(devlink, &contents, &type, NULL, 1) == TRUE) { 43227c478bd9Sstevel@tonic-gate rv = DEVFSADM_FALSE; 43237c478bd9Sstevel@tonic-gate } else { 43247c478bd9Sstevel@tonic-gate rv = DEVFSADM_TRUE; 43257c478bd9Sstevel@tonic-gate } 43267c478bd9Sstevel@tonic-gate 43277c478bd9Sstevel@tonic-gate /* 43287c478bd9Sstevel@tonic-gate * The link exists. Add it to the database 43297c478bd9Sstevel@tonic-gate */ 43307c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, type); 433145916cd2Sjpk if (system_labeled && (rv == DEVFSADM_TRUE) && 433245916cd2Sjpk strstr(devlink, DA_AUDIO_NAME) && contents) { 433345916cd2Sjpk (void) sscanf(contents, "%*[a-z]%d", &instance); 433445916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, 433545916cd2Sjpk DA_ADD|DA_AUDIO); 433645916cd2Sjpk _update_devalloc_db(&devlist, 0, DA_ADD, NULL, root_dir); 433745916cd2Sjpk } 43387c478bd9Sstevel@tonic-gate free(contents); 43397c478bd9Sstevel@tonic-gate 43407c478bd9Sstevel@tonic-gate return (rv); 43417c478bd9Sstevel@tonic-gate } 43427c478bd9Sstevel@tonic-gate 43437c478bd9Sstevel@tonic-gate /* 43447c478bd9Sstevel@tonic-gate * devpath: Absolute path to /dev link 43457c478bd9Sstevel@tonic-gate * content_p: Returns malloced string (link content) 43467c478bd9Sstevel@tonic-gate * type_p: Returns link type: primary or secondary 43477c478bd9Sstevel@tonic-gate * devfs_path: Returns malloced string: /devices path w/out "/devices" 43487c478bd9Sstevel@tonic-gate * dangle: if set, check if link is dangling 43497c478bd9Sstevel@tonic-gate * Returns: 43507c478bd9Sstevel@tonic-gate * TRUE if dangling 43517c478bd9Sstevel@tonic-gate * FALSE if not or if caller doesn't care 43527c478bd9Sstevel@tonic-gate * Caller is assumed to have initialized pointer contents to NULL 43537c478bd9Sstevel@tonic-gate */ 43547c478bd9Sstevel@tonic-gate static int 43557c478bd9Sstevel@tonic-gate resolve_link(char *devpath, char **content_p, int *type_p, char **devfs_path, 43567c478bd9Sstevel@tonic-gate int dangle) 43577c478bd9Sstevel@tonic-gate { 43587c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 43597c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 43607c478bd9Sstevel@tonic-gate char *fcn = "resolve_link: "; 43617c478bd9Sstevel@tonic-gate char *ptr; 43627c478bd9Sstevel@tonic-gate int linksize; 43637c478bd9Sstevel@tonic-gate int rv = TRUE; 43647c478bd9Sstevel@tonic-gate struct stat sb; 43657c478bd9Sstevel@tonic-gate 43667c478bd9Sstevel@tonic-gate linksize = readlink(devpath, contents, PATH_MAX); 43677c478bd9Sstevel@tonic-gate 43687c478bd9Sstevel@tonic-gate if (linksize <= 0) { 43697c478bd9Sstevel@tonic-gate return (FALSE); 43707c478bd9Sstevel@tonic-gate } else { 43717c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 43727c478bd9Sstevel@tonic-gate } 43737c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s %s -> %s\n", fcn, devpath, contents); 43747c478bd9Sstevel@tonic-gate 43757c478bd9Sstevel@tonic-gate if (content_p) { 43767c478bd9Sstevel@tonic-gate *content_p = s_strdup(contents); 43777c478bd9Sstevel@tonic-gate } 43787c478bd9Sstevel@tonic-gate 43797c478bd9Sstevel@tonic-gate /* 43807c478bd9Sstevel@tonic-gate * Check to see if this is a link pointing to another link in /dev. The 43817c478bd9Sstevel@tonic-gate * cheap way to do this is to look for a lack of ../devices/. 43827c478bd9Sstevel@tonic-gate */ 43837c478bd9Sstevel@tonic-gate 43847c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_FALSE) { 43857c478bd9Sstevel@tonic-gate 43867c478bd9Sstevel@tonic-gate if (type_p) { 43877c478bd9Sstevel@tonic-gate *type_p = DI_SECONDARY_LINK; 43887c478bd9Sstevel@tonic-gate } 43897c478bd9Sstevel@tonic-gate 43907c478bd9Sstevel@tonic-gate /* 43917c478bd9Sstevel@tonic-gate * assume that linkcontents is really a pointer to another 43927c478bd9Sstevel@tonic-gate * link, and if so recurse and read its link contents. 43937c478bd9Sstevel@tonic-gate */ 43947c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 43957c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, dev_dir); 43967c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 43977c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, 43987c478bd9Sstevel@tonic-gate &contents[strlen(DEV) + strlen("/")]); 43997c478bd9Sstevel@tonic-gate } else { 44007c478bd9Sstevel@tonic-gate if ((ptr = strrchr(devpath, '/')) == NULL) { 44017c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid link. " 44027c478bd9Sstevel@tonic-gate "missing '/'\n", fcn, devpath, 44037c478bd9Sstevel@tonic-gate contents); 44047c478bd9Sstevel@tonic-gate return (TRUE); 44057c478bd9Sstevel@tonic-gate } 44067c478bd9Sstevel@tonic-gate *ptr = '\0'; 44077c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, devpath); 44087c478bd9Sstevel@tonic-gate *ptr = '/'; 44097c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 44107c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 44117c478bd9Sstevel@tonic-gate } 44127c478bd9Sstevel@tonic-gate return (resolve_link(stage_link, NULL, NULL, devfs_path, 44137c478bd9Sstevel@tonic-gate dangle)); 44147c478bd9Sstevel@tonic-gate } 44157c478bd9Sstevel@tonic-gate 44167c478bd9Sstevel@tonic-gate /* Current link points at a /devices minor node */ 44177c478bd9Sstevel@tonic-gate if (type_p) { 44187c478bd9Sstevel@tonic-gate *type_p = DI_PRIMARY_LINK; 44197c478bd9Sstevel@tonic-gate } 44207c478bd9Sstevel@tonic-gate 44217c478bd9Sstevel@tonic-gate if (devfs_path) 44227c478bd9Sstevel@tonic-gate *devfs_path = s_strdup(ptr); 44237c478bd9Sstevel@tonic-gate 44247c478bd9Sstevel@tonic-gate rv = FALSE; 44257c478bd9Sstevel@tonic-gate if (dangle) 44267c478bd9Sstevel@tonic-gate rv = (stat(ptr - strlen(DEVICES), &sb) == -1); 44277c478bd9Sstevel@tonic-gate 44287c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%slink=%s, returning %s\n", fcn, 44297c478bd9Sstevel@tonic-gate devpath, ((rv == TRUE) ? "TRUE" : "FALSE")); 44307c478bd9Sstevel@tonic-gate 44317c478bd9Sstevel@tonic-gate return (rv); 44327c478bd9Sstevel@tonic-gate } 44337c478bd9Sstevel@tonic-gate 44347c478bd9Sstevel@tonic-gate /* 44357c478bd9Sstevel@tonic-gate * Returns the substring of interest, given a path. 44367c478bd9Sstevel@tonic-gate */ 44377c478bd9Sstevel@tonic-gate static char * 44387c478bd9Sstevel@tonic-gate alloc_cmp_str(const char *path, devfsadm_enumerate_t *dep) 44397c478bd9Sstevel@tonic-gate { 44407c478bd9Sstevel@tonic-gate uint_t match; 44417c478bd9Sstevel@tonic-gate char *np, *ap, *mp; 44427c478bd9Sstevel@tonic-gate char *cmp_str = NULL; 44437c478bd9Sstevel@tonic-gate char at[] = "@"; 44447c478bd9Sstevel@tonic-gate char *fcn = "alloc_cmp_str"; 44457c478bd9Sstevel@tonic-gate 44467c478bd9Sstevel@tonic-gate np = ap = mp = NULL; 44477c478bd9Sstevel@tonic-gate 44487c478bd9Sstevel@tonic-gate /* 44497c478bd9Sstevel@tonic-gate * extract match flags from the flags argument. 44507c478bd9Sstevel@tonic-gate */ 44517c478bd9Sstevel@tonic-gate match = (dep->flags & MATCH_MASK); 44527c478bd9Sstevel@tonic-gate 44537c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: enumeration match type: 0x%x" 44547c478bd9Sstevel@tonic-gate " path: %s\n", fcn, match, path); 44557c478bd9Sstevel@tonic-gate 44567c478bd9Sstevel@tonic-gate /* 44577c478bd9Sstevel@tonic-gate * MATCH_CALLBACK and MATCH_ALL are the only flags 44587c478bd9Sstevel@tonic-gate * which may be used if "path" is a /dev path 44597c478bd9Sstevel@tonic-gate */ 44607c478bd9Sstevel@tonic-gate if (match == MATCH_CALLBACK) { 44617c478bd9Sstevel@tonic-gate if (dep->sel_fcn == NULL) { 44627c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumerate" 44637c478bd9Sstevel@tonic-gate " callback: path: %s\n", fcn, path); 44647c478bd9Sstevel@tonic-gate return (NULL); 44657c478bd9Sstevel@tonic-gate } 44667c478bd9Sstevel@tonic-gate cmp_str = dep->sel_fcn(path, dep->cb_arg); 44677c478bd9Sstevel@tonic-gate return (cmp_str); 44687c478bd9Sstevel@tonic-gate } 44697c478bd9Sstevel@tonic-gate 44707c478bd9Sstevel@tonic-gate cmp_str = s_strdup(path); 44717c478bd9Sstevel@tonic-gate 44727c478bd9Sstevel@tonic-gate if (match == MATCH_ALL) { 44737c478bd9Sstevel@tonic-gate return (cmp_str); 44747c478bd9Sstevel@tonic-gate } 44757c478bd9Sstevel@tonic-gate 44767c478bd9Sstevel@tonic-gate /* 44777c478bd9Sstevel@tonic-gate * The remaining flags make sense only for /devices 44787c478bd9Sstevel@tonic-gate * paths 44797c478bd9Sstevel@tonic-gate */ 44807c478bd9Sstevel@tonic-gate if ((mp = strrchr(cmp_str, ':')) == NULL) { 44817c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 44827c478bd9Sstevel@tonic-gate fcn, path); 44837c478bd9Sstevel@tonic-gate goto err; 44847c478bd9Sstevel@tonic-gate } 44857c478bd9Sstevel@tonic-gate 44867c478bd9Sstevel@tonic-gate if (match == MATCH_MINOR) { 44877c478bd9Sstevel@tonic-gate /* A NULL "match_arg" values implies entire minor */ 44887c478bd9Sstevel@tonic-gate if (get_component(mp + 1, dep->match_arg) == NULL) { 44897c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid minor component:" 44907c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 44917c478bd9Sstevel@tonic-gate goto err; 44927c478bd9Sstevel@tonic-gate } 44937c478bd9Sstevel@tonic-gate return (cmp_str); 44947c478bd9Sstevel@tonic-gate } 44957c478bd9Sstevel@tonic-gate 44967c478bd9Sstevel@tonic-gate if ((np = strrchr(cmp_str, '/')) == NULL) { 44977c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", fcn, path); 44987c478bd9Sstevel@tonic-gate goto err; 44997c478bd9Sstevel@tonic-gate } 45007c478bd9Sstevel@tonic-gate 45017c478bd9Sstevel@tonic-gate if (match == MATCH_PARENT) { 45027c478bd9Sstevel@tonic-gate if (strcmp(cmp_str, "/") == 0) { 45037c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 45047c478bd9Sstevel@tonic-gate fcn, path); 45057c478bd9Sstevel@tonic-gate goto err; 45067c478bd9Sstevel@tonic-gate } 45077c478bd9Sstevel@tonic-gate 45087c478bd9Sstevel@tonic-gate if (np == cmp_str) { 45097c478bd9Sstevel@tonic-gate *(np + 1) = '\0'; 45107c478bd9Sstevel@tonic-gate } else { 45117c478bd9Sstevel@tonic-gate *np = '\0'; 45127c478bd9Sstevel@tonic-gate } 45137c478bd9Sstevel@tonic-gate return (cmp_str); 45147c478bd9Sstevel@tonic-gate } 45157c478bd9Sstevel@tonic-gate 45167c478bd9Sstevel@tonic-gate /* ap can be NULL - Leaf address may not exist or be empty string */ 45177c478bd9Sstevel@tonic-gate ap = strchr(np+1, '@'); 45187c478bd9Sstevel@tonic-gate 45197c478bd9Sstevel@tonic-gate /* minor is no longer of interest */ 45207c478bd9Sstevel@tonic-gate *mp = '\0'; 45217c478bd9Sstevel@tonic-gate 45227c478bd9Sstevel@tonic-gate if (match == MATCH_NODE) { 45237c478bd9Sstevel@tonic-gate if (ap) 45247c478bd9Sstevel@tonic-gate *ap = '\0'; 45257c478bd9Sstevel@tonic-gate return (cmp_str); 45267c478bd9Sstevel@tonic-gate } else if (match == MATCH_ADDR) { 45277c478bd9Sstevel@tonic-gate /* 45287c478bd9Sstevel@tonic-gate * The empty string is a valid address. The only MATCH_ADDR 45297c478bd9Sstevel@tonic-gate * allowed in this case is against the whole address or 45307c478bd9Sstevel@tonic-gate * the first component of the address (match_arg=NULL/"0"/"1") 45317c478bd9Sstevel@tonic-gate * Note that in this case, the path won't have an "@" 45327c478bd9Sstevel@tonic-gate * As a result ap will be NULL. We fake up an ap = @'\0' 45337c478bd9Sstevel@tonic-gate * so that get_component() will work correctly. 45347c478bd9Sstevel@tonic-gate */ 45357c478bd9Sstevel@tonic-gate if (ap == NULL) { 45367c478bd9Sstevel@tonic-gate ap = at; 45377c478bd9Sstevel@tonic-gate } 45387c478bd9Sstevel@tonic-gate 45397c478bd9Sstevel@tonic-gate if (get_component(ap + 1, dep->match_arg) == NULL) { 45407c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid leaf addr. component:" 45417c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 45427c478bd9Sstevel@tonic-gate goto err; 45437c478bd9Sstevel@tonic-gate } 45447c478bd9Sstevel@tonic-gate return (cmp_str); 45457c478bd9Sstevel@tonic-gate } 45467c478bd9Sstevel@tonic-gate 45477c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: 0x%x" 45487c478bd9Sstevel@tonic-gate " path: %s\n", fcn, dep->flags, path); 45497c478bd9Sstevel@tonic-gate 45507c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 45517c478bd9Sstevel@tonic-gate err: 45527c478bd9Sstevel@tonic-gate free(cmp_str); 45537c478bd9Sstevel@tonic-gate return (NULL); 45547c478bd9Sstevel@tonic-gate } 45557c478bd9Sstevel@tonic-gate 45567c478bd9Sstevel@tonic-gate 45577c478bd9Sstevel@tonic-gate /* 45587c478bd9Sstevel@tonic-gate * "str" is expected to be a string with components separated by ',' 45597c478bd9Sstevel@tonic-gate * The terminating null char is considered a separator. 45607c478bd9Sstevel@tonic-gate * get_component() will remove the portion of the string beyond 45617c478bd9Sstevel@tonic-gate * the component indicated. 45627c478bd9Sstevel@tonic-gate * If comp_str is NULL, the entire "str" is returned. 45637c478bd9Sstevel@tonic-gate */ 45647c478bd9Sstevel@tonic-gate static char * 45657c478bd9Sstevel@tonic-gate get_component(char *str, const char *comp_str) 45667c478bd9Sstevel@tonic-gate { 45677c478bd9Sstevel@tonic-gate long comp; 45687c478bd9Sstevel@tonic-gate char *cp; 45697c478bd9Sstevel@tonic-gate 45707c478bd9Sstevel@tonic-gate if (str == NULL) { 45717c478bd9Sstevel@tonic-gate return (NULL); 45727c478bd9Sstevel@tonic-gate } 45737c478bd9Sstevel@tonic-gate 45747c478bd9Sstevel@tonic-gate if (comp_str == NULL) { 45757c478bd9Sstevel@tonic-gate return (str); 45767c478bd9Sstevel@tonic-gate } 45777c478bd9Sstevel@tonic-gate 45787c478bd9Sstevel@tonic-gate errno = 0; 45797c478bd9Sstevel@tonic-gate comp = strtol(comp_str, &cp, 10); 45807c478bd9Sstevel@tonic-gate if (errno != 0 || *cp != '\0' || comp < 0) { 45817c478bd9Sstevel@tonic-gate return (NULL); 45827c478bd9Sstevel@tonic-gate } 45837c478bd9Sstevel@tonic-gate 45847c478bd9Sstevel@tonic-gate if (comp == 0) 45857c478bd9Sstevel@tonic-gate return (str); 45867c478bd9Sstevel@tonic-gate 45877c478bd9Sstevel@tonic-gate for (cp = str; ; cp++) { 45887c478bd9Sstevel@tonic-gate if (*cp == ',' || *cp == '\0') 45897c478bd9Sstevel@tonic-gate comp--; 45907c478bd9Sstevel@tonic-gate if (*cp == '\0' || comp <= 0) { 45917c478bd9Sstevel@tonic-gate break; 45927c478bd9Sstevel@tonic-gate } 45937c478bd9Sstevel@tonic-gate } 45947c478bd9Sstevel@tonic-gate 45957c478bd9Sstevel@tonic-gate if (comp == 0) { 45967c478bd9Sstevel@tonic-gate *cp = '\0'; 45977c478bd9Sstevel@tonic-gate } else { 45987c478bd9Sstevel@tonic-gate str = NULL; 45997c478bd9Sstevel@tonic-gate } 46007c478bd9Sstevel@tonic-gate 46017c478bd9Sstevel@tonic-gate return (str); 46027c478bd9Sstevel@tonic-gate } 46037c478bd9Sstevel@tonic-gate 46047c478bd9Sstevel@tonic-gate 46057c478bd9Sstevel@tonic-gate /* 46067c478bd9Sstevel@tonic-gate * Enumerate serves as a generic counter as well as a means to determine 46077c478bd9Sstevel@tonic-gate * logical unit/controller numbers for such items as disk and tape 46087c478bd9Sstevel@tonic-gate * drives. 46097c478bd9Sstevel@tonic-gate * 46107c478bd9Sstevel@tonic-gate * rules[] is an array of devfsadm_enumerate_t structures which defines 46117c478bd9Sstevel@tonic-gate * the enumeration rules to be used for a specified set of links in /dev. 46127c478bd9Sstevel@tonic-gate * The set of links is specified through regular expressions (of the flavor 46137c478bd9Sstevel@tonic-gate * described in regex(5)). These regular expressions are used to determine 46147c478bd9Sstevel@tonic-gate * the set of links in /dev to examine. The last path component in these 46157c478bd9Sstevel@tonic-gate * regular expressions MUST contain a parenthesized subexpression surrounding 46167c478bd9Sstevel@tonic-gate * the RE which is to be considered the enumerating component. The subexp 46177c478bd9Sstevel@tonic-gate * member in a rule is the subexpression number of the enumerating 46187c478bd9Sstevel@tonic-gate * component. Subexpressions in the last path component are numbered starting 46197c478bd9Sstevel@tonic-gate * from 1. 46207c478bd9Sstevel@tonic-gate * 46217c478bd9Sstevel@tonic-gate * A cache of current id assignments is built up from existing symlinks and 46227c478bd9Sstevel@tonic-gate * new assignments use the lowest unused id. Assignments are based on a 46237c478bd9Sstevel@tonic-gate * match of a specified substring of a symlink's contents. If the specified 46247c478bd9Sstevel@tonic-gate * component for the devfs_path argument matches the corresponding substring 46257c478bd9Sstevel@tonic-gate * for a existing symlink's contents, the cached id is returned. Else, a new 46267c478bd9Sstevel@tonic-gate * id is created and returned in *buf. *buf must be freed by the caller. 46277c478bd9Sstevel@tonic-gate * 46287c478bd9Sstevel@tonic-gate * An id assignment may be governed by a combination of rules, each rule 46297c478bd9Sstevel@tonic-gate * applicable to a different subset of links in /dev. For example, controller 46307c478bd9Sstevel@tonic-gate * numbers may be determined by a combination of disk symlinks in /dev/[r]dsk 46317c478bd9Sstevel@tonic-gate * and controller symlinks in /dev/cfg, with the two sets requiring different 46327c478bd9Sstevel@tonic-gate * rules to derive the "substring of interest". In such cases, the rules 46337c478bd9Sstevel@tonic-gate * array will have more than one element. 46347c478bd9Sstevel@tonic-gate */ 46357c478bd9Sstevel@tonic-gate int 46367c478bd9Sstevel@tonic-gate devfsadm_enumerate_int(char *devfs_path, int index, char **buf, 46377c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 46387c478bd9Sstevel@tonic-gate { 46397c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 46407c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 0)); 46417c478bd9Sstevel@tonic-gate } 46427c478bd9Sstevel@tonic-gate 46437c478bd9Sstevel@tonic-gate int 46447c478bd9Sstevel@tonic-gate disk_enumerate_int(char *devfs_path, int index, char **buf, 46457c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 46467c478bd9Sstevel@tonic-gate { 46477c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 46487c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 1)); 46497c478bd9Sstevel@tonic-gate } 46507c478bd9Sstevel@tonic-gate 46517c478bd9Sstevel@tonic-gate /* 46527c478bd9Sstevel@tonic-gate * Same as above, but allows a starting value to be specified. 46537c478bd9Sstevel@tonic-gate * Private to devfsadm.... used by devlinks. 46547c478bd9Sstevel@tonic-gate */ 46557c478bd9Sstevel@tonic-gate static int 46567c478bd9Sstevel@tonic-gate devfsadm_enumerate_int_start(char *devfs_path, int index, char **buf, 46577c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 46587c478bd9Sstevel@tonic-gate { 46597c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 46607c478bd9Sstevel@tonic-gate devfs_path, index, start, INTEGER, buf, 0)); 46617c478bd9Sstevel@tonic-gate } 46627c478bd9Sstevel@tonic-gate 46637c478bd9Sstevel@tonic-gate /* 46647c478bd9Sstevel@tonic-gate * devfsadm_enumerate_char serves as a generic counter returning 46657c478bd9Sstevel@tonic-gate * a single letter. 46667c478bd9Sstevel@tonic-gate */ 46677c478bd9Sstevel@tonic-gate int 46687c478bd9Sstevel@tonic-gate devfsadm_enumerate_char(char *devfs_path, int index, char **buf, 46697c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 46707c478bd9Sstevel@tonic-gate { 46717c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 46727c478bd9Sstevel@tonic-gate devfs_path, index, "a", LETTER, buf, 0)); 46737c478bd9Sstevel@tonic-gate } 46747c478bd9Sstevel@tonic-gate 46757c478bd9Sstevel@tonic-gate /* 46767c478bd9Sstevel@tonic-gate * Same as above, but allows a starting char to be specified. 46777c478bd9Sstevel@tonic-gate * Private to devfsadm - used by ports module (port_link.c) 46787c478bd9Sstevel@tonic-gate */ 46797c478bd9Sstevel@tonic-gate int 46807c478bd9Sstevel@tonic-gate devfsadm_enumerate_char_start(char *devfs_path, int index, char **buf, 46817c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 46827c478bd9Sstevel@tonic-gate { 46837c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 46847c478bd9Sstevel@tonic-gate devfs_path, index, start, LETTER, buf, 0)); 46857c478bd9Sstevel@tonic-gate } 46867c478bd9Sstevel@tonic-gate 46877c478bd9Sstevel@tonic-gate 46887c478bd9Sstevel@tonic-gate /* 46897c478bd9Sstevel@tonic-gate * For a given numeral_set (see get_cached_set for desc of numeral_set), 46907c478bd9Sstevel@tonic-gate * search all cached entries looking for matches on a specified substring 46917c478bd9Sstevel@tonic-gate * of devfs_path. The substring is derived from devfs_path based on the 46927c478bd9Sstevel@tonic-gate * rule specified by "index". If a match is found on a cached entry, 46937c478bd9Sstevel@tonic-gate * return the enumerated id in buf. Otherwise, create a new id by calling 46947c478bd9Sstevel@tonic-gate * new_id, then cache and return that entry. 46957c478bd9Sstevel@tonic-gate */ 46967c478bd9Sstevel@tonic-gate static int 46977c478bd9Sstevel@tonic-gate find_enum_id(devfsadm_enumerate_t rules[], int nrules, 46987c478bd9Sstevel@tonic-gate char *devfs_path, int index, char *min, int type, char **buf, 46997c478bd9Sstevel@tonic-gate int multiple) 47007c478bd9Sstevel@tonic-gate { 47017c478bd9Sstevel@tonic-gate numeral_t *matchnp; 47027c478bd9Sstevel@tonic-gate numeral_t *numeral; 47037c478bd9Sstevel@tonic-gate int matchcount = 0; 47047c478bd9Sstevel@tonic-gate char *cmp_str; 47057c478bd9Sstevel@tonic-gate char *fcn = "find_enum_id"; 47067c478bd9Sstevel@tonic-gate numeral_set_t *set; 47077c478bd9Sstevel@tonic-gate 47087c478bd9Sstevel@tonic-gate if (rules == NULL) { 47097c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: no rules. path: %s\n", 47107c478bd9Sstevel@tonic-gate fcn, devfs_path ? devfs_path : "<NULL path>"); 47117c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47127c478bd9Sstevel@tonic-gate } 47137c478bd9Sstevel@tonic-gate 47147c478bd9Sstevel@tonic-gate if (devfs_path == NULL) { 47157c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: NULL path\n", fcn); 47167c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47177c478bd9Sstevel@tonic-gate } 47187c478bd9Sstevel@tonic-gate 47197c478bd9Sstevel@tonic-gate if (nrules <= 0 || index < 0 || index >= nrules || buf == NULL) { 47207c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid arguments. path: %s\n", 47217c478bd9Sstevel@tonic-gate fcn, devfs_path); 47227c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47237c478bd9Sstevel@tonic-gate } 47247c478bd9Sstevel@tonic-gate 47257c478bd9Sstevel@tonic-gate *buf = NULL; 47267c478bd9Sstevel@tonic-gate 47277c478bd9Sstevel@tonic-gate 47287c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(devfs_path, &rules[index]); 47297c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 47307c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47317c478bd9Sstevel@tonic-gate } 47327c478bd9Sstevel@tonic-gate 47337c478bd9Sstevel@tonic-gate if ((set = get_enum_cache(rules, nrules)) == NULL) { 47347c478bd9Sstevel@tonic-gate free(cmp_str); 47357c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47367c478bd9Sstevel@tonic-gate } 47377c478bd9Sstevel@tonic-gate 47387c478bd9Sstevel@tonic-gate assert(nrules == set->re_count); 47397c478bd9Sstevel@tonic-gate 47407c478bd9Sstevel@tonic-gate /* 47417c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 47427c478bd9Sstevel@tonic-gate */ 47437c478bd9Sstevel@tonic-gate matchcount = lookup_enum_cache(set, cmp_str, rules, index, 47447c478bd9Sstevel@tonic-gate &matchnp); 47457c478bd9Sstevel@tonic-gate 47467c478bd9Sstevel@tonic-gate if (matchcount < 0 || matchcount > 1) { 47477c478bd9Sstevel@tonic-gate free(cmp_str); 47487c478bd9Sstevel@tonic-gate if (multiple && matchcount > 1) 47497c478bd9Sstevel@tonic-gate return (DEVFSADM_MULTIPLE); 47507c478bd9Sstevel@tonic-gate else 47517c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47527c478bd9Sstevel@tonic-gate } 47537c478bd9Sstevel@tonic-gate 47547c478bd9Sstevel@tonic-gate /* if matching entry already cached, return it */ 47557c478bd9Sstevel@tonic-gate if (matchcount == 1) { 47567c478bd9Sstevel@tonic-gate *buf = s_strdup(matchnp->id); 47577c478bd9Sstevel@tonic-gate free(cmp_str); 47587c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 47597c478bd9Sstevel@tonic-gate } 47607c478bd9Sstevel@tonic-gate 47617c478bd9Sstevel@tonic-gate /* 47627c478bd9Sstevel@tonic-gate * no cached entry, initialize a numeral struct 47637c478bd9Sstevel@tonic-gate * by calling new_id() and cache onto the numeral_set 47647c478bd9Sstevel@tonic-gate */ 47657c478bd9Sstevel@tonic-gate numeral = s_malloc(sizeof (numeral_t)); 47667c478bd9Sstevel@tonic-gate numeral->id = new_id(set->headnumeral, type, min); 47677c478bd9Sstevel@tonic-gate numeral->full_path = s_strdup(devfs_path); 47687c478bd9Sstevel@tonic-gate numeral->rule_index = index; 47697c478bd9Sstevel@tonic-gate numeral->cmp_str = cmp_str; 47707c478bd9Sstevel@tonic-gate cmp_str = NULL; 47717c478bd9Sstevel@tonic-gate 47727c478bd9Sstevel@tonic-gate /* insert to head of list for fast lookups */ 47737c478bd9Sstevel@tonic-gate numeral->next = set->headnumeral; 47747c478bd9Sstevel@tonic-gate set->headnumeral = numeral; 47757c478bd9Sstevel@tonic-gate 47767c478bd9Sstevel@tonic-gate *buf = s_strdup(numeral->id); 47777c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 47787c478bd9Sstevel@tonic-gate } 47797c478bd9Sstevel@tonic-gate 47807c478bd9Sstevel@tonic-gate 47817c478bd9Sstevel@tonic-gate /* 47827c478bd9Sstevel@tonic-gate * Looks up the specified cache for a match with a specified string 47837c478bd9Sstevel@tonic-gate * Returns: 47847c478bd9Sstevel@tonic-gate * -1 : on error. 47857c478bd9Sstevel@tonic-gate * 0/1/2 : Number of matches. 47867c478bd9Sstevel@tonic-gate * Returns the matching element only if there is a single match. 47877c478bd9Sstevel@tonic-gate * If the "uncached" flag is set, derives the "cmp_str" afresh 47887c478bd9Sstevel@tonic-gate * for the match instead of using cached values. 47897c478bd9Sstevel@tonic-gate */ 47907c478bd9Sstevel@tonic-gate static int 47917c478bd9Sstevel@tonic-gate lookup_enum_cache(numeral_set_t *set, char *cmp_str, 47927c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index, numeral_t **matchnpp) 47937c478bd9Sstevel@tonic-gate { 47947c478bd9Sstevel@tonic-gate int matchcount = 0, rv = -1; 47957c478bd9Sstevel@tonic-gate int uncached; 47967c478bd9Sstevel@tonic-gate numeral_t *np; 47977c478bd9Sstevel@tonic-gate char *fcn = "lookup_enum_cache"; 47987c478bd9Sstevel@tonic-gate char *cp; 47997c478bd9Sstevel@tonic-gate 48007c478bd9Sstevel@tonic-gate *matchnpp = NULL; 48017c478bd9Sstevel@tonic-gate 48027c478bd9Sstevel@tonic-gate assert(index < set->re_count); 48037c478bd9Sstevel@tonic-gate 48047c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 48057c478bd9Sstevel@tonic-gate return (-1); 48067c478bd9Sstevel@tonic-gate } 48077c478bd9Sstevel@tonic-gate 48087c478bd9Sstevel@tonic-gate uncached = 0; 48097c478bd9Sstevel@tonic-gate if ((rules[index].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 48107c478bd9Sstevel@tonic-gate uncached = 1; 48117c478bd9Sstevel@tonic-gate } 48127c478bd9Sstevel@tonic-gate 48137c478bd9Sstevel@tonic-gate /* 48147c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 48157c478bd9Sstevel@tonic-gate */ 48167c478bd9Sstevel@tonic-gate for (np = set->headnumeral; np != NULL; np = np->next) { 48177c478bd9Sstevel@tonic-gate if (np->cmp_str == NULL) { 48187c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid entry in enumerate" 48197c478bd9Sstevel@tonic-gate " cache. path: %s\n", fcn, np->full_path); 48207c478bd9Sstevel@tonic-gate return (-1); 48217c478bd9Sstevel@tonic-gate } 48227c478bd9Sstevel@tonic-gate 48237c478bd9Sstevel@tonic-gate if (uncached) { 48247c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: bypassing enumerate cache." 48257c478bd9Sstevel@tonic-gate " path: %s\n", fcn, cmp_str); 48267c478bd9Sstevel@tonic-gate cp = alloc_cmp_str(np->full_path, 48277c478bd9Sstevel@tonic-gate &rules[np->rule_index]); 48287c478bd9Sstevel@tonic-gate if (cp == NULL) 48297c478bd9Sstevel@tonic-gate return (-1); 48307c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, cp); 48317c478bd9Sstevel@tonic-gate free(cp); 48327c478bd9Sstevel@tonic-gate } else { 48337c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, np->cmp_str); 48347c478bd9Sstevel@tonic-gate } 48357c478bd9Sstevel@tonic-gate 48367c478bd9Sstevel@tonic-gate if (rv == 0) { 48377c478bd9Sstevel@tonic-gate if (matchcount++ != 0) { 48387c478bd9Sstevel@tonic-gate break; /* more than 1 match. */ 48397c478bd9Sstevel@tonic-gate } 48407c478bd9Sstevel@tonic-gate *matchnpp = np; 48417c478bd9Sstevel@tonic-gate } 48427c478bd9Sstevel@tonic-gate } 48437c478bd9Sstevel@tonic-gate 48447c478bd9Sstevel@tonic-gate return (matchcount); 48457c478bd9Sstevel@tonic-gate } 48467c478bd9Sstevel@tonic-gate 48477c478bd9Sstevel@tonic-gate #ifdef DEBUG 48487c478bd9Sstevel@tonic-gate static void 48497c478bd9Sstevel@tonic-gate dump_enum_cache(numeral_set_t *setp) 48507c478bd9Sstevel@tonic-gate { 48517c478bd9Sstevel@tonic-gate int i; 48527c478bd9Sstevel@tonic-gate numeral_t *np; 48537c478bd9Sstevel@tonic-gate char *fcn = "dump_enum_cache"; 48547c478bd9Sstevel@tonic-gate 48557c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re_count = %d\n", fcn, setp->re_count); 48567c478bd9Sstevel@tonic-gate for (i = 0; i < setp->re_count; i++) { 48577c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re[%d] = %s\n", fcn, i, setp->re[i]); 48587c478bd9Sstevel@tonic-gate } 48597c478bd9Sstevel@tonic-gate 48607c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 48617c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: id: %s\n", fcn, np->id); 48627c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: full_path: %s\n", fcn, np->full_path); 48637c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: rule_index: %d\n", fcn, np->rule_index); 48647c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: cmp_str: %s\n", fcn, np->cmp_str); 48657c478bd9Sstevel@tonic-gate } 48667c478bd9Sstevel@tonic-gate } 48677c478bd9Sstevel@tonic-gate #endif 48687c478bd9Sstevel@tonic-gate 48697c478bd9Sstevel@tonic-gate /* 48707c478bd9Sstevel@tonic-gate * For a given set of regular expressions in rules[], this function returns 48717c478bd9Sstevel@tonic-gate * either a previously cached struct numeral_set or it will create and 48727c478bd9Sstevel@tonic-gate * cache a new struct numeral_set. There is only one struct numeral_set 48737c478bd9Sstevel@tonic-gate * for the combination of REs present in rules[]. Each numeral_set contains 48747c478bd9Sstevel@tonic-gate * the regular expressions in rules[] used for cache selection AND a linked 48757c478bd9Sstevel@tonic-gate * list of struct numerals, ONE FOR EACH *UNIQUE* numeral or character ID 48767c478bd9Sstevel@tonic-gate * selected by the grouping parenthesized subexpression found in the last 48777c478bd9Sstevel@tonic-gate * path component of each rules[].re. For example, the RE: "rmt/([0-9]+)" 48787c478bd9Sstevel@tonic-gate * selects all the logical nodes of the correct form in dev/rmt/. 48797c478bd9Sstevel@tonic-gate * Each rmt/X will store a *single* struct numeral... ie 0, 1, 2 each get a 48807c478bd9Sstevel@tonic-gate * single struct numeral. There is no need to store more than a single logical 48817c478bd9Sstevel@tonic-gate * node matching X since the information desired in the devfspath would be 48827c478bd9Sstevel@tonic-gate * identical for the portion of the devfspath of interest. (the part up to, 48837c478bd9Sstevel@tonic-gate * but not including the minor name in this example.) 48847c478bd9Sstevel@tonic-gate * 48857c478bd9Sstevel@tonic-gate * If the given numeral_set is not yet cached, call enumerate_recurse to 48867c478bd9Sstevel@tonic-gate * create it. 48877c478bd9Sstevel@tonic-gate */ 48887c478bd9Sstevel@tonic-gate static numeral_set_t * 48897c478bd9Sstevel@tonic-gate get_enum_cache(devfsadm_enumerate_t rules[], int nrules) 48907c478bd9Sstevel@tonic-gate { 48917c478bd9Sstevel@tonic-gate /* linked list of numeral sets */ 48927c478bd9Sstevel@tonic-gate numeral_set_t *setp; 48937c478bd9Sstevel@tonic-gate int i; 48947c478bd9Sstevel@tonic-gate char *path_left; 48957c478bd9Sstevel@tonic-gate char *fcn = "get_enum_cache"; 48967c478bd9Sstevel@tonic-gate 48977c478bd9Sstevel@tonic-gate /* 48987c478bd9Sstevel@tonic-gate * See if we've already cached this numeral set. 48997c478bd9Sstevel@tonic-gate */ 49007c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; setp = setp->next) { 49017c478bd9Sstevel@tonic-gate /* 49027c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 49037c478bd9Sstevel@tonic-gate * those in cached set. 49047c478bd9Sstevel@tonic-gate */ 49057c478bd9Sstevel@tonic-gate if (nrules != setp->re_count) { 49067c478bd9Sstevel@tonic-gate continue; 49077c478bd9Sstevel@tonic-gate } 49087c478bd9Sstevel@tonic-gate 49097c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 49107c478bd9Sstevel@tonic-gate if (strcmp(setp->re[i], rules[i].re) != 0) { 49117c478bd9Sstevel@tonic-gate break; 49127c478bd9Sstevel@tonic-gate } 49137c478bd9Sstevel@tonic-gate } 49147c478bd9Sstevel@tonic-gate 49157c478bd9Sstevel@tonic-gate if (i == nrules) { 49167c478bd9Sstevel@tonic-gate return (setp); 49177c478bd9Sstevel@tonic-gate } 49187c478bd9Sstevel@tonic-gate } 49197c478bd9Sstevel@tonic-gate 49207c478bd9Sstevel@tonic-gate /* 49217c478bd9Sstevel@tonic-gate * If the MATCH_UNCACHED flag is set, we should not be here. 49227c478bd9Sstevel@tonic-gate */ 49237c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 49247c478bd9Sstevel@tonic-gate if ((rules[i].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 49257c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: " 49267c478bd9Sstevel@tonic-gate "0x%x\n", fcn, rules[i].flags); 49277c478bd9Sstevel@tonic-gate return (NULL); 49287c478bd9Sstevel@tonic-gate } 49297c478bd9Sstevel@tonic-gate } 49307c478bd9Sstevel@tonic-gate 49317c478bd9Sstevel@tonic-gate /* 49327c478bd9Sstevel@tonic-gate * Since we made it here, we have not yet cached the given set of 49337c478bd9Sstevel@tonic-gate * logical nodes matching the passed re. Create a cached entry 49347c478bd9Sstevel@tonic-gate * struct numeral_set and populate it with a minimal set of 49357c478bd9Sstevel@tonic-gate * logical nodes from /dev. 49367c478bd9Sstevel@tonic-gate */ 49377c478bd9Sstevel@tonic-gate 49387c478bd9Sstevel@tonic-gate setp = s_malloc(sizeof (numeral_set_t)); 49397c478bd9Sstevel@tonic-gate setp->re = s_malloc(sizeof (char *) * nrules); 49407c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 49417c478bd9Sstevel@tonic-gate setp->re[i] = s_strdup(rules[i].re); 49427c478bd9Sstevel@tonic-gate } 49437c478bd9Sstevel@tonic-gate setp->re_count = nrules; 49447c478bd9Sstevel@tonic-gate setp->headnumeral = NULL; 49457c478bd9Sstevel@tonic-gate 49467c478bd9Sstevel@tonic-gate /* put this new cached set on the cached set list */ 49477c478bd9Sstevel@tonic-gate setp->next = head_numeral_set; 49487c478bd9Sstevel@tonic-gate head_numeral_set = setp; 49497c478bd9Sstevel@tonic-gate 49507c478bd9Sstevel@tonic-gate /* 49517c478bd9Sstevel@tonic-gate * For each RE, search disk and cache any matches on the 4952*facf4a8dSllai * numeral list. 49537c478bd9Sstevel@tonic-gate */ 49547c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 49557c478bd9Sstevel@tonic-gate path_left = s_strdup(setp->re[i]); 4956*facf4a8dSllai enumerate_recurse(dev_dir, path_left, setp, rules, i); 49577c478bd9Sstevel@tonic-gate free(path_left); 49587c478bd9Sstevel@tonic-gate } 49597c478bd9Sstevel@tonic-gate 49607c478bd9Sstevel@tonic-gate #ifdef DEBUG 49617c478bd9Sstevel@tonic-gate dump_enum_cache(setp); 49627c478bd9Sstevel@tonic-gate #endif 49637c478bd9Sstevel@tonic-gate 49647c478bd9Sstevel@tonic-gate return (setp); 49657c478bd9Sstevel@tonic-gate } 49667c478bd9Sstevel@tonic-gate 49677c478bd9Sstevel@tonic-gate 49687c478bd9Sstevel@tonic-gate /* 49697c478bd9Sstevel@tonic-gate * This function stats the pathname namebuf. If this is a directory 49707c478bd9Sstevel@tonic-gate * entry, we recurse down dname/fname until we find the first symbolic 49717c478bd9Sstevel@tonic-gate * link, and then stat and return it. This is valid for the same reason 49727c478bd9Sstevel@tonic-gate * that we only need to read a single pathname for multiple matching 49737c478bd9Sstevel@tonic-gate * logical ID's... ie, all the logical nodes should contain identical 49747c478bd9Sstevel@tonic-gate * physical paths for the parts we are interested. 49757c478bd9Sstevel@tonic-gate */ 49767c478bd9Sstevel@tonic-gate int 49777c478bd9Sstevel@tonic-gate get_stat_info(char *namebuf, struct stat *sb) 49787c478bd9Sstevel@tonic-gate { 49797c478bd9Sstevel@tonic-gate char *cp; 4980*facf4a8dSllai char *pathlist; 4981*facf4a8dSllai char *listp; 4982*facf4a8dSllai int len; 49837c478bd9Sstevel@tonic-gate 49847c478bd9Sstevel@tonic-gate if (lstat(namebuf, sb) < 0) { 49857c478bd9Sstevel@tonic-gate (void) err_print(LSTAT_FAILED, namebuf, strerror(errno)); 49867c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 49877c478bd9Sstevel@tonic-gate } 49887c478bd9Sstevel@tonic-gate 49897c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFLNK) { 49907c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 49917c478bd9Sstevel@tonic-gate } 49927c478bd9Sstevel@tonic-gate 49937c478bd9Sstevel@tonic-gate /* 49947c478bd9Sstevel@tonic-gate * If it is a dir, recurse down until we find a link and 49957c478bd9Sstevel@tonic-gate * then use the link. 49967c478bd9Sstevel@tonic-gate */ 49977c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFDIR) { 49987c478bd9Sstevel@tonic-gate 4999*facf4a8dSllai if ((pathlist = dev_readdir(namebuf)) == NULL) { 50007c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50017c478bd9Sstevel@tonic-gate } 50027c478bd9Sstevel@tonic-gate 50037c478bd9Sstevel@tonic-gate /* 50047c478bd9Sstevel@tonic-gate * Search each dir entry looking for a symlink. Return 50057c478bd9Sstevel@tonic-gate * the first symlink found in namebuf. Recurse dirs. 50067c478bd9Sstevel@tonic-gate */ 5007*facf4a8dSllai for (listp = pathlist; 5008*facf4a8dSllai (len = strlen(listp)) > 0; listp += len+1) { 50097c478bd9Sstevel@tonic-gate cp = namebuf + strlen(namebuf); 5010*facf4a8dSllai if ((strlcat(namebuf, "/", PATH_MAX) >= PATH_MAX) || 5011*facf4a8dSllai (strlcat(namebuf, listp, PATH_MAX) >= PATH_MAX)) { 5012*facf4a8dSllai *cp = '\0'; 5013*facf4a8dSllai return (DEVFSADM_FAILURE); 5014*facf4a8dSllai } 50157c478bd9Sstevel@tonic-gate if (get_stat_info(namebuf, sb) == DEVFSADM_SUCCESS) { 5016*facf4a8dSllai free(pathlist); 50177c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 50187c478bd9Sstevel@tonic-gate } 50197c478bd9Sstevel@tonic-gate *cp = '\0'; 50207c478bd9Sstevel@tonic-gate } 5021*facf4a8dSllai free(pathlist); 50227c478bd9Sstevel@tonic-gate } 50237c478bd9Sstevel@tonic-gate 50247c478bd9Sstevel@tonic-gate /* no symlink found, so return error */ 50257c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50267c478bd9Sstevel@tonic-gate } 50277c478bd9Sstevel@tonic-gate 50287c478bd9Sstevel@tonic-gate /* 50297c478bd9Sstevel@tonic-gate * An existing matching ID was not found, so this function is called to 50307c478bd9Sstevel@tonic-gate * create the next lowest ID. In the INTEGER case, return the next 50317c478bd9Sstevel@tonic-gate * lowest unused integer. In the case of LETTER, return the next lowest 50327c478bd9Sstevel@tonic-gate * unused letter. Return empty string if all 26 are used. 50337c478bd9Sstevel@tonic-gate * Only IDs >= min will be returned. 50347c478bd9Sstevel@tonic-gate */ 50357c478bd9Sstevel@tonic-gate char * 50367c478bd9Sstevel@tonic-gate new_id(numeral_t *numeral, int type, char *min) 50377c478bd9Sstevel@tonic-gate { 50387c478bd9Sstevel@tonic-gate int imin; 50397c478bd9Sstevel@tonic-gate temp_t *temp; 50407c478bd9Sstevel@tonic-gate temp_t *ptr; 50417c478bd9Sstevel@tonic-gate temp_t **previous; 50427c478bd9Sstevel@tonic-gate temp_t *head = NULL; 50437c478bd9Sstevel@tonic-gate char *retval; 50447c478bd9Sstevel@tonic-gate static char tempbuff[8]; 50457c478bd9Sstevel@tonic-gate numeral_t *np; 50467c478bd9Sstevel@tonic-gate 50477c478bd9Sstevel@tonic-gate if (type == LETTER) { 50487c478bd9Sstevel@tonic-gate 50497c478bd9Sstevel@tonic-gate char letter[26], i; 50507c478bd9Sstevel@tonic-gate 50517c478bd9Sstevel@tonic-gate if (numeral == NULL) { 50527c478bd9Sstevel@tonic-gate return (s_strdup(min)); 50537c478bd9Sstevel@tonic-gate } 50547c478bd9Sstevel@tonic-gate 50557c478bd9Sstevel@tonic-gate for (i = 0; i < 26; i++) { 50567c478bd9Sstevel@tonic-gate letter[i] = 0; 50577c478bd9Sstevel@tonic-gate } 50587c478bd9Sstevel@tonic-gate 50597c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 50607c478bd9Sstevel@tonic-gate letter[*np->id - 'a']++; 50617c478bd9Sstevel@tonic-gate } 50627c478bd9Sstevel@tonic-gate 50637c478bd9Sstevel@tonic-gate imin = *min - 'a'; 50647c478bd9Sstevel@tonic-gate 50657c478bd9Sstevel@tonic-gate for (i = imin; i < 26; i++) { 50667c478bd9Sstevel@tonic-gate if (letter[i] == 0) { 50677c478bd9Sstevel@tonic-gate retval = s_malloc(2); 50687c478bd9Sstevel@tonic-gate retval[0] = 'a' + i; 50697c478bd9Sstevel@tonic-gate retval[1] = '\0'; 50707c478bd9Sstevel@tonic-gate return (retval); 50717c478bd9Sstevel@tonic-gate } 50727c478bd9Sstevel@tonic-gate } 50737c478bd9Sstevel@tonic-gate 50747c478bd9Sstevel@tonic-gate return (s_strdup("")); 50757c478bd9Sstevel@tonic-gate } 50767c478bd9Sstevel@tonic-gate 50777c478bd9Sstevel@tonic-gate if (type == INTEGER) { 50787c478bd9Sstevel@tonic-gate 50797c478bd9Sstevel@tonic-gate if (numeral == NULL) { 50807c478bd9Sstevel@tonic-gate return (s_strdup(min)); 50817c478bd9Sstevel@tonic-gate } 50827c478bd9Sstevel@tonic-gate 50837c478bd9Sstevel@tonic-gate imin = atoi(min); 50847c478bd9Sstevel@tonic-gate 50857c478bd9Sstevel@tonic-gate /* sort list */ 50867c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 50877c478bd9Sstevel@tonic-gate temp = s_malloc(sizeof (temp_t)); 50887c478bd9Sstevel@tonic-gate temp->integer = atoi(np->id); 50897c478bd9Sstevel@tonic-gate temp->next = NULL; 50907c478bd9Sstevel@tonic-gate 50917c478bd9Sstevel@tonic-gate previous = &head; 50927c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 50937c478bd9Sstevel@tonic-gate if (temp->integer < ptr->integer) { 50947c478bd9Sstevel@tonic-gate temp->next = ptr; 50957c478bd9Sstevel@tonic-gate *previous = temp; 50967c478bd9Sstevel@tonic-gate break; 50977c478bd9Sstevel@tonic-gate } 50987c478bd9Sstevel@tonic-gate previous = &(ptr->next); 50997c478bd9Sstevel@tonic-gate } 51007c478bd9Sstevel@tonic-gate if (ptr == NULL) { 51017c478bd9Sstevel@tonic-gate *previous = temp; 51027c478bd9Sstevel@tonic-gate } 51037c478bd9Sstevel@tonic-gate } 51047c478bd9Sstevel@tonic-gate 51057c478bd9Sstevel@tonic-gate /* now search sorted list for first hole >= imin */ 51067c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 51077c478bd9Sstevel@tonic-gate if (imin == ptr->integer) { 51087c478bd9Sstevel@tonic-gate imin++; 51097c478bd9Sstevel@tonic-gate } else { 51107c478bd9Sstevel@tonic-gate if (imin < ptr->integer) { 51117c478bd9Sstevel@tonic-gate break; 51127c478bd9Sstevel@tonic-gate } 51137c478bd9Sstevel@tonic-gate } 51147c478bd9Sstevel@tonic-gate 51157c478bd9Sstevel@tonic-gate } 51167c478bd9Sstevel@tonic-gate 51177c478bd9Sstevel@tonic-gate /* free temp list */ 51187c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ) { 51197c478bd9Sstevel@tonic-gate temp = ptr; 51207c478bd9Sstevel@tonic-gate ptr = ptr->next; 51217c478bd9Sstevel@tonic-gate free(temp); 51227c478bd9Sstevel@tonic-gate } 51237c478bd9Sstevel@tonic-gate 51247c478bd9Sstevel@tonic-gate (void) sprintf(tempbuff, "%d", imin); 51257c478bd9Sstevel@tonic-gate return (s_strdup(tempbuff)); 51267c478bd9Sstevel@tonic-gate } 51277c478bd9Sstevel@tonic-gate 51287c478bd9Sstevel@tonic-gate return (s_strdup("")); 51297c478bd9Sstevel@tonic-gate } 51307c478bd9Sstevel@tonic-gate 51317c478bd9Sstevel@tonic-gate /* 51327c478bd9Sstevel@tonic-gate * Search current_dir for all files which match the first path component 51337c478bd9Sstevel@tonic-gate * of path_left, which is an RE. If a match is found, but there are more 51347c478bd9Sstevel@tonic-gate * components of path_left, then recurse, otherwise, if we have reached 51357c478bd9Sstevel@tonic-gate * the last component of path_left, call create_cached_numerals for each 51367c478bd9Sstevel@tonic-gate * file. At some point, recurse_dev_re() should be rewritten so that this 51377c478bd9Sstevel@tonic-gate * function can be eliminated. 51387c478bd9Sstevel@tonic-gate */ 51397c478bd9Sstevel@tonic-gate static void 51407c478bd9Sstevel@tonic-gate enumerate_recurse(char *current_dir, char *path_left, numeral_set_t *setp, 51417c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 51427c478bd9Sstevel@tonic-gate { 51437c478bd9Sstevel@tonic-gate char *slash; 51447c478bd9Sstevel@tonic-gate char *new_path; 51457c478bd9Sstevel@tonic-gate char *numeral_id; 5146*facf4a8dSllai char *pathlist; 5147*facf4a8dSllai char *listp; 5148*facf4a8dSllai int len; 51497c478bd9Sstevel@tonic-gate 5150*facf4a8dSllai if ((pathlist = dev_readdir(current_dir)) == NULL) { 51517c478bd9Sstevel@tonic-gate return; 51527c478bd9Sstevel@tonic-gate } 51537c478bd9Sstevel@tonic-gate 51547c478bd9Sstevel@tonic-gate /* get rid of any extra '/' */ 51557c478bd9Sstevel@tonic-gate while (*path_left == '/') { 51567c478bd9Sstevel@tonic-gate path_left++; 51577c478bd9Sstevel@tonic-gate } 51587c478bd9Sstevel@tonic-gate 51597c478bd9Sstevel@tonic-gate if (slash = strchr(path_left, '/')) { 51607c478bd9Sstevel@tonic-gate *slash = '\0'; 51617c478bd9Sstevel@tonic-gate } 51627c478bd9Sstevel@tonic-gate 5163*facf4a8dSllai for (listp = pathlist; (len = strlen(listp)) > 0; listp += len+1) { 51647c478bd9Sstevel@tonic-gate 51657c478bd9Sstevel@tonic-gate /* 5166*facf4a8dSllai * Returns true if path_left matches the list entry. 51677c478bd9Sstevel@tonic-gate * If it is the last path component, pass subexp 51687c478bd9Sstevel@tonic-gate * so that it will return the corresponding ID in 51697c478bd9Sstevel@tonic-gate * numeral_id. 51707c478bd9Sstevel@tonic-gate */ 51717c478bd9Sstevel@tonic-gate numeral_id = NULL; 5172*facf4a8dSllai if (match_path_component(path_left, listp, &numeral_id, 51737c478bd9Sstevel@tonic-gate slash ? 0 : rules[index].subexp)) { 51747c478bd9Sstevel@tonic-gate 51757c478bd9Sstevel@tonic-gate new_path = s_malloc(strlen(current_dir) + 5176*facf4a8dSllai strlen(listp) + 2); 51777c478bd9Sstevel@tonic-gate 51787c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 51797c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 5180*facf4a8dSllai (void) strcat(new_path, listp); 51817c478bd9Sstevel@tonic-gate 51827c478bd9Sstevel@tonic-gate if (slash != NULL) { 51837c478bd9Sstevel@tonic-gate enumerate_recurse(new_path, slash + 1, 51847c478bd9Sstevel@tonic-gate setp, rules, index); 51857c478bd9Sstevel@tonic-gate } else { 51867c478bd9Sstevel@tonic-gate create_cached_numeral(new_path, setp, 51877c478bd9Sstevel@tonic-gate numeral_id, rules, index); 51887c478bd9Sstevel@tonic-gate if (numeral_id != NULL) { 51897c478bd9Sstevel@tonic-gate free(numeral_id); 51907c478bd9Sstevel@tonic-gate } 51917c478bd9Sstevel@tonic-gate } 51927c478bd9Sstevel@tonic-gate free(new_path); 51937c478bd9Sstevel@tonic-gate } 51947c478bd9Sstevel@tonic-gate } 51957c478bd9Sstevel@tonic-gate 51967c478bd9Sstevel@tonic-gate if (slash != NULL) { 51977c478bd9Sstevel@tonic-gate *slash = '/'; 51987c478bd9Sstevel@tonic-gate } 5199*facf4a8dSllai free(pathlist); 52007c478bd9Sstevel@tonic-gate } 52017c478bd9Sstevel@tonic-gate 52027c478bd9Sstevel@tonic-gate 52037c478bd9Sstevel@tonic-gate /* 52047c478bd9Sstevel@tonic-gate * Returns true if file matches file_re. If subexp is non-zero, it means 52057c478bd9Sstevel@tonic-gate * we are searching the last path component and need to return the 52067c478bd9Sstevel@tonic-gate * parenthesized subexpression subexp in id. 52077c478bd9Sstevel@tonic-gate * 52087c478bd9Sstevel@tonic-gate */ 52097c478bd9Sstevel@tonic-gate static int 52107c478bd9Sstevel@tonic-gate match_path_component(char *file_re, char *file, char **id, int subexp) 52117c478bd9Sstevel@tonic-gate { 52127c478bd9Sstevel@tonic-gate regex_t re1; 52137c478bd9Sstevel@tonic-gate int match = 0; 52147c478bd9Sstevel@tonic-gate int nelements; 52157c478bd9Sstevel@tonic-gate regmatch_t *pmatch; 52167c478bd9Sstevel@tonic-gate 52177c478bd9Sstevel@tonic-gate if (subexp != 0) { 52187c478bd9Sstevel@tonic-gate nelements = subexp + 1; 52197c478bd9Sstevel@tonic-gate pmatch = (regmatch_t *) 52207c478bd9Sstevel@tonic-gate s_malloc(sizeof (regmatch_t) * nelements); 52217c478bd9Sstevel@tonic-gate } else { 52227c478bd9Sstevel@tonic-gate pmatch = NULL; 52237c478bd9Sstevel@tonic-gate nelements = 0; 52247c478bd9Sstevel@tonic-gate } 52257c478bd9Sstevel@tonic-gate 52267c478bd9Sstevel@tonic-gate if (regcomp(&re1, file_re, REG_EXTENDED) != 0) { 52277c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 52287c478bd9Sstevel@tonic-gate free(pmatch); 52297c478bd9Sstevel@tonic-gate } 52307c478bd9Sstevel@tonic-gate return (0); 52317c478bd9Sstevel@tonic-gate } 52327c478bd9Sstevel@tonic-gate 52337c478bd9Sstevel@tonic-gate if (regexec(&re1, file, nelements, pmatch, 0) == 0) { 52347c478bd9Sstevel@tonic-gate match = 1; 52357c478bd9Sstevel@tonic-gate } 52367c478bd9Sstevel@tonic-gate 52377c478bd9Sstevel@tonic-gate if ((match != 0) && (subexp != 0)) { 52387c478bd9Sstevel@tonic-gate int size = pmatch[subexp].rm_eo - pmatch[subexp].rm_so; 52397c478bd9Sstevel@tonic-gate *id = s_malloc(size + 1); 52407c478bd9Sstevel@tonic-gate (void) strncpy(*id, &file[pmatch[subexp].rm_so], size); 52417c478bd9Sstevel@tonic-gate (*id)[size] = '\0'; 52427c478bd9Sstevel@tonic-gate } 52437c478bd9Sstevel@tonic-gate 52447c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 52457c478bd9Sstevel@tonic-gate free(pmatch); 52467c478bd9Sstevel@tonic-gate } 52477c478bd9Sstevel@tonic-gate regfree(&re1); 52487c478bd9Sstevel@tonic-gate return (match); 52497c478bd9Sstevel@tonic-gate } 52507c478bd9Sstevel@tonic-gate 52517c478bd9Sstevel@tonic-gate /* 52527c478bd9Sstevel@tonic-gate * This function is called for every file which matched the leaf 52537c478bd9Sstevel@tonic-gate * component of the RE. If the "numeral_id" is not already on the 52547c478bd9Sstevel@tonic-gate * numeral set's numeral list, add it and its physical path. 52557c478bd9Sstevel@tonic-gate */ 52567c478bd9Sstevel@tonic-gate static void 52577c478bd9Sstevel@tonic-gate create_cached_numeral(char *path, numeral_set_t *setp, char *numeral_id, 52587c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 52597c478bd9Sstevel@tonic-gate { 52607c478bd9Sstevel@tonic-gate char linkbuf[PATH_MAX + 1]; 52617c478bd9Sstevel@tonic-gate char lpath[PATH_MAX + 1]; 52627c478bd9Sstevel@tonic-gate char *linkptr, *cmp_str; 52637c478bd9Sstevel@tonic-gate numeral_t *np; 52647c478bd9Sstevel@tonic-gate int linksize; 52657c478bd9Sstevel@tonic-gate struct stat sb; 52667c478bd9Sstevel@tonic-gate const char *fcn = "create_cached_numeral"; 52677c478bd9Sstevel@tonic-gate 52687c478bd9Sstevel@tonic-gate assert(index >= 0 && index < setp->re_count); 52697c478bd9Sstevel@tonic-gate assert(strcmp(rules[index].re, setp->re[index]) == 0); 52707c478bd9Sstevel@tonic-gate 52717c478bd9Sstevel@tonic-gate /* 52727c478bd9Sstevel@tonic-gate * We found a numeral_id from an entry in /dev which matched 52737c478bd9Sstevel@tonic-gate * the re passed in from devfsadm_enumerate. We only need to make sure 52747c478bd9Sstevel@tonic-gate * ONE copy of numeral_id exists on the numeral list. We only need 52757c478bd9Sstevel@tonic-gate * to store /dev/dsk/cNtod0s0 and no other entries hanging off 52767c478bd9Sstevel@tonic-gate * of controller N. 52777c478bd9Sstevel@tonic-gate */ 52787c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 52797c478bd9Sstevel@tonic-gate if (strcmp(numeral_id, np->id) == 0) { 52807c478bd9Sstevel@tonic-gate return; 52817c478bd9Sstevel@tonic-gate } 52827c478bd9Sstevel@tonic-gate } 52837c478bd9Sstevel@tonic-gate 52847c478bd9Sstevel@tonic-gate /* NOT on list, so add it */ 52857c478bd9Sstevel@tonic-gate 52867c478bd9Sstevel@tonic-gate (void) strcpy(lpath, path); 52877c478bd9Sstevel@tonic-gate /* 52887c478bd9Sstevel@tonic-gate * If path is a dir, it is changed to the first symbolic link it find 52897c478bd9Sstevel@tonic-gate * if it finds one. 52907c478bd9Sstevel@tonic-gate */ 52917c478bd9Sstevel@tonic-gate if (get_stat_info(lpath, &sb) == DEVFSADM_FAILURE) { 52927c478bd9Sstevel@tonic-gate return; 52937c478bd9Sstevel@tonic-gate } 52947c478bd9Sstevel@tonic-gate 52957c478bd9Sstevel@tonic-gate /* If we get here, we found a symlink */ 52967c478bd9Sstevel@tonic-gate linksize = readlink(lpath, linkbuf, PATH_MAX); 52977c478bd9Sstevel@tonic-gate 52987c478bd9Sstevel@tonic-gate if (linksize <= 0) { 52997c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, lpath, strerror(errno)); 53007c478bd9Sstevel@tonic-gate return; 53017c478bd9Sstevel@tonic-gate } 53027c478bd9Sstevel@tonic-gate 53037c478bd9Sstevel@tonic-gate linkbuf[linksize] = '\0'; 53047c478bd9Sstevel@tonic-gate 53057c478bd9Sstevel@tonic-gate /* 53067c478bd9Sstevel@tonic-gate * the following just points linkptr to the root of the /devices 53077c478bd9Sstevel@tonic-gate * node if it is a minor node, otherwise, to the first char of 53087c478bd9Sstevel@tonic-gate * linkbuf if it is a link. 53097c478bd9Sstevel@tonic-gate */ 53107c478bd9Sstevel@tonic-gate (void) is_minor_node(linkbuf, &linkptr); 53117c478bd9Sstevel@tonic-gate 53127c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(linkptr, &rules[index]); 53137c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 53147c478bd9Sstevel@tonic-gate return; 53157c478bd9Sstevel@tonic-gate } 53167c478bd9Sstevel@tonic-gate 53177c478bd9Sstevel@tonic-gate np = s_malloc(sizeof (numeral_t)); 53187c478bd9Sstevel@tonic-gate 53197c478bd9Sstevel@tonic-gate np->id = s_strdup(numeral_id); 53207c478bd9Sstevel@tonic-gate np->full_path = s_strdup(linkptr); 53217c478bd9Sstevel@tonic-gate np->rule_index = index; 53227c478bd9Sstevel@tonic-gate np->cmp_str = cmp_str; 53237c478bd9Sstevel@tonic-gate 53247c478bd9Sstevel@tonic-gate np->next = setp->headnumeral; 53257c478bd9Sstevel@tonic-gate setp->headnumeral = np; 53267c478bd9Sstevel@tonic-gate } 53277c478bd9Sstevel@tonic-gate 53287c478bd9Sstevel@tonic-gate 53297c478bd9Sstevel@tonic-gate /* 53307c478bd9Sstevel@tonic-gate * This should be called either before or after granting access to a 53317c478bd9Sstevel@tonic-gate * command line version of devfsadm running, since it may have changed 53327c478bd9Sstevel@tonic-gate * the state of /dev. It forces future enumerate calls to re-build 53337c478bd9Sstevel@tonic-gate * cached information from /dev. 53347c478bd9Sstevel@tonic-gate */ 53357c478bd9Sstevel@tonic-gate void 53367c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(void) 53377c478bd9Sstevel@tonic-gate { 53387c478bd9Sstevel@tonic-gate numeral_set_t *setp; 53397c478bd9Sstevel@tonic-gate numeral_set_t *savedsetp; 53407c478bd9Sstevel@tonic-gate numeral_t *savednumset; 53417c478bd9Sstevel@tonic-gate numeral_t *numset; 53427c478bd9Sstevel@tonic-gate int i; 53437c478bd9Sstevel@tonic-gate 53447c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; ) { 53457c478bd9Sstevel@tonic-gate /* 53467c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 53477c478bd9Sstevel@tonic-gate * those in cached set. 53487c478bd9Sstevel@tonic-gate */ 53497c478bd9Sstevel@tonic-gate 53507c478bd9Sstevel@tonic-gate savedsetp = setp; 53517c478bd9Sstevel@tonic-gate setp = setp->next; 53527c478bd9Sstevel@tonic-gate 53537c478bd9Sstevel@tonic-gate for (i = 0; i < savedsetp->re_count; i++) { 53547c478bd9Sstevel@tonic-gate free(savedsetp->re[i]); 53557c478bd9Sstevel@tonic-gate } 53567c478bd9Sstevel@tonic-gate free(savedsetp->re); 53577c478bd9Sstevel@tonic-gate 53587c478bd9Sstevel@tonic-gate for (numset = savedsetp->headnumeral; numset != NULL; ) { 53597c478bd9Sstevel@tonic-gate savednumset = numset; 53607c478bd9Sstevel@tonic-gate numset = numset->next; 53617c478bd9Sstevel@tonic-gate assert(savednumset->rule_index < savedsetp->re_count); 53627c478bd9Sstevel@tonic-gate free(savednumset->id); 53637c478bd9Sstevel@tonic-gate free(savednumset->full_path); 53647c478bd9Sstevel@tonic-gate free(savednumset->cmp_str); 53657c478bd9Sstevel@tonic-gate free(savednumset); 53667c478bd9Sstevel@tonic-gate } 53677c478bd9Sstevel@tonic-gate free(savedsetp); 53687c478bd9Sstevel@tonic-gate } 53697c478bd9Sstevel@tonic-gate head_numeral_set = NULL; 53707c478bd9Sstevel@tonic-gate } 53717c478bd9Sstevel@tonic-gate 53727c478bd9Sstevel@tonic-gate /* 53737c478bd9Sstevel@tonic-gate * Copies over links from /dev to <root>/dev and device special files in 53747c478bd9Sstevel@tonic-gate * /devices to <root>/devices, preserving the existing file modes. If 53757c478bd9Sstevel@tonic-gate * the link or special file already exists on <root>, skip the copy. (it 53767c478bd9Sstevel@tonic-gate * would exist only if a package hard coded it there, so assume package 53777c478bd9Sstevel@tonic-gate * knows best?). Use /etc/name_to_major and <root>/etc/name_to_major to 53787c478bd9Sstevel@tonic-gate * make translations for major numbers on device special files. No need to 53797c478bd9Sstevel@tonic-gate * make a translation on minor_perm since if the file was created in the 53807c478bd9Sstevel@tonic-gate * miniroot then it would presumably have the same minor_perm entry in 53817c478bd9Sstevel@tonic-gate * <root>/etc/minor_perm. To be used only by install. 53827c478bd9Sstevel@tonic-gate */ 53837c478bd9Sstevel@tonic-gate int 53847c478bd9Sstevel@tonic-gate devfsadm_copy(void) 53857c478bd9Sstevel@tonic-gate { 53867c478bd9Sstevel@tonic-gate char filename[PATH_MAX + 1]; 53877c478bd9Sstevel@tonic-gate 53887c478bd9Sstevel@tonic-gate /* load the installed root's name_to_major for translations */ 53897c478bd9Sstevel@tonic-gate (void) snprintf(filename, sizeof (filename), "%s%s", root_dir, 53907c478bd9Sstevel@tonic-gate NAME_TO_MAJOR); 53917c478bd9Sstevel@tonic-gate if (load_n2m_table(filename) == DEVFSADM_FAILURE) { 53927c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 53937c478bd9Sstevel@tonic-gate } 53947c478bd9Sstevel@tonic-gate 53957c478bd9Sstevel@tonic-gate /* Copy /dev to target disk. No need to copy /devices with devfs */ 53967c478bd9Sstevel@tonic-gate (void) nftw(DEV, devfsadm_copy_file, 20, FTW_PHYS); 53977c478bd9Sstevel@tonic-gate 53987c478bd9Sstevel@tonic-gate /* Let install handle copying over path_to_inst */ 53997c478bd9Sstevel@tonic-gate 54007c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54017c478bd9Sstevel@tonic-gate } 54027c478bd9Sstevel@tonic-gate 54037c478bd9Sstevel@tonic-gate /* 54047c478bd9Sstevel@tonic-gate * This function copies links, dirs, and device special files. 54057c478bd9Sstevel@tonic-gate * Note that it always returns DEVFSADM_SUCCESS, so that nftw doesn't 54067c478bd9Sstevel@tonic-gate * abort. 54077c478bd9Sstevel@tonic-gate */ 54087c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 54097c478bd9Sstevel@tonic-gate static int 54107c478bd9Sstevel@tonic-gate devfsadm_copy_file(const char *file, const struct stat *stat, 54117c478bd9Sstevel@tonic-gate int flags, struct FTW *ftw) 54127c478bd9Sstevel@tonic-gate { 54137c478bd9Sstevel@tonic-gate struct stat sp; 54147c478bd9Sstevel@tonic-gate dev_t newdev; 54157c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 54167c478bd9Sstevel@tonic-gate char linkcontents[PATH_MAX + 1]; 54177c478bd9Sstevel@tonic-gate int bytes; 54187c478bd9Sstevel@tonic-gate const char *fcn = "devfsadm_copy_file"; 54197c478bd9Sstevel@tonic-gate 54207c478bd9Sstevel@tonic-gate (void) strcpy(newfile, root_dir); 54217c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 54227c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 54237c478bd9Sstevel@tonic-gate 54247c478bd9Sstevel@tonic-gate if (lstat(newfile, &sp) == 0) { 54257c478bd9Sstevel@tonic-gate /* newfile already exists, so no need to continue */ 54267c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54277c478bd9Sstevel@tonic-gate } 54287c478bd9Sstevel@tonic-gate 54297c478bd9Sstevel@tonic-gate if (((stat->st_mode & S_IFMT) == S_IFBLK) || 54307c478bd9Sstevel@tonic-gate ((stat->st_mode & S_IFMT) == S_IFCHR)) { 54317c478bd9Sstevel@tonic-gate if (translate_major(stat->st_rdev, &newdev) == 54327c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 54337c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54347c478bd9Sstevel@tonic-gate } 54357c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, newdev) == -1) { 54367c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 54377c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54387c478bd9Sstevel@tonic-gate } 54397c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFDIR) { 54407c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, 0) == -1) { 54417c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 54427c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54437c478bd9Sstevel@tonic-gate } 54447c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFLNK) { 54457c478bd9Sstevel@tonic-gate if ((bytes = readlink(file, linkcontents, PATH_MAX)) == -1) { 54467c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, file, strerror(errno)); 54477c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54487c478bd9Sstevel@tonic-gate } 54497c478bd9Sstevel@tonic-gate linkcontents[bytes] = '\0'; 54507c478bd9Sstevel@tonic-gate if (symlink(linkcontents, newfile) == -1) { 54517c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, newfile, newfile, 54527c478bd9Sstevel@tonic-gate strerror(errno)); 54537c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54547c478bd9Sstevel@tonic-gate } 54557c478bd9Sstevel@tonic-gate } 54567c478bd9Sstevel@tonic-gate 54577c478bd9Sstevel@tonic-gate (void) lchown(newfile, stat->st_uid, stat->st_gid); 54587c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54597c478bd9Sstevel@tonic-gate } 54607c478bd9Sstevel@tonic-gate 54617c478bd9Sstevel@tonic-gate /* 54627c478bd9Sstevel@tonic-gate * Given a dev_t from the running kernel, return the new_dev_t 54637c478bd9Sstevel@tonic-gate * by translating to the major number found on the installed 54647c478bd9Sstevel@tonic-gate * target's root name_to_major file. 54657c478bd9Sstevel@tonic-gate */ 54667c478bd9Sstevel@tonic-gate static int 54677c478bd9Sstevel@tonic-gate translate_major(dev_t old_dev, dev_t *new_dev) 54687c478bd9Sstevel@tonic-gate { 54697c478bd9Sstevel@tonic-gate major_t oldmajor; 54707c478bd9Sstevel@tonic-gate major_t newmajor; 54717c478bd9Sstevel@tonic-gate minor_t oldminor; 54727c478bd9Sstevel@tonic-gate minor_t newminor; 54737c478bd9Sstevel@tonic-gate char cdriver[FILENAME_MAX + 1]; 54747c478bd9Sstevel@tonic-gate char driver[FILENAME_MAX + 1]; 54757c478bd9Sstevel@tonic-gate char *fcn = "translate_major: "; 54767c478bd9Sstevel@tonic-gate 54777c478bd9Sstevel@tonic-gate oldmajor = major(old_dev); 54787c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, driver, sizeof (driver), 54797c478bd9Sstevel@tonic-gate &oldmajor) != 0) { 54807c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 54817c478bd9Sstevel@tonic-gate } 54827c478bd9Sstevel@tonic-gate 54837c478bd9Sstevel@tonic-gate if (strcmp(driver, "clone") != 0) { 54847c478bd9Sstevel@tonic-gate /* non-clone case */ 54857c478bd9Sstevel@tonic-gate 54867c478bd9Sstevel@tonic-gate /* look up major number is target's name2major */ 54877c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 54887c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 54897c478bd9Sstevel@tonic-gate } 54907c478bd9Sstevel@tonic-gate 54917c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, minor(old_dev)); 54927c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 54937c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: %lu,%lu " 54947c478bd9Sstevel@tonic-gate "new: %lu,%lu\n", fcn, driver, major(old_dev), 54957c478bd9Sstevel@tonic-gate minor(old_dev), major(*new_dev), 54967c478bd9Sstevel@tonic-gate minor(*new_dev)); 54977c478bd9Sstevel@tonic-gate } 54987c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54997c478bd9Sstevel@tonic-gate } else { 55007c478bd9Sstevel@tonic-gate /* 55017c478bd9Sstevel@tonic-gate * The clone is a special case. Look at its minor 55027c478bd9Sstevel@tonic-gate * number since it is the major number of the real driver. 55037c478bd9Sstevel@tonic-gate */ 55047c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 55057c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55067c478bd9Sstevel@tonic-gate } 55077c478bd9Sstevel@tonic-gate 55087c478bd9Sstevel@tonic-gate oldminor = minor(old_dev); 55097c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, cdriver, sizeof (cdriver), 55107c478bd9Sstevel@tonic-gate &oldminor) != 0) { 55117c478bd9Sstevel@tonic-gate err_print(MODGETNAME_FAILED, oldminor); 55127c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55137c478bd9Sstevel@tonic-gate } 55147c478bd9Sstevel@tonic-gate 55157c478bd9Sstevel@tonic-gate if (get_major_no(cdriver, &newminor) == DEVFSADM_FAILURE) { 55167c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55177c478bd9Sstevel@tonic-gate } 55187c478bd9Sstevel@tonic-gate 55197c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, newminor); 55207c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 55217c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: " 55227c478bd9Sstevel@tonic-gate "%lu,%lu new: %lu,%lu\n", fcn, driver, 55237c478bd9Sstevel@tonic-gate major(old_dev), minor(old_dev), 55247c478bd9Sstevel@tonic-gate major(*new_dev), minor(*new_dev)); 55257c478bd9Sstevel@tonic-gate } 55267c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55277c478bd9Sstevel@tonic-gate } 55287c478bd9Sstevel@tonic-gate } 55297c478bd9Sstevel@tonic-gate 55307c478bd9Sstevel@tonic-gate /* 55317c478bd9Sstevel@tonic-gate * 55327c478bd9Sstevel@tonic-gate * Find the major number for driver, searching the n2m_list that was 55337c478bd9Sstevel@tonic-gate * built in load_n2m_table(). 55347c478bd9Sstevel@tonic-gate */ 55357c478bd9Sstevel@tonic-gate static int 55367c478bd9Sstevel@tonic-gate get_major_no(char *driver, major_t *major) 55377c478bd9Sstevel@tonic-gate { 55387c478bd9Sstevel@tonic-gate n2m_t *ptr; 55397c478bd9Sstevel@tonic-gate 55407c478bd9Sstevel@tonic-gate for (ptr = n2m_list; ptr != NULL; ptr = ptr->next) { 55417c478bd9Sstevel@tonic-gate if (strcmp(ptr->driver, driver) == 0) { 55427c478bd9Sstevel@tonic-gate *major = ptr->major; 55437c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55447c478bd9Sstevel@tonic-gate } 55457c478bd9Sstevel@tonic-gate } 55467c478bd9Sstevel@tonic-gate err_print(FIND_MAJOR_FAILED, driver); 55477c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55487c478bd9Sstevel@tonic-gate } 55497c478bd9Sstevel@tonic-gate 55507c478bd9Sstevel@tonic-gate /* 55517c478bd9Sstevel@tonic-gate * Loads a name_to_major table into memory. Used only for suninstall's 55527c478bd9Sstevel@tonic-gate * private -R option to devfsadm, to translate major numbers from the 55537c478bd9Sstevel@tonic-gate * running to the installed target disk. 55547c478bd9Sstevel@tonic-gate */ 55557c478bd9Sstevel@tonic-gate static int 55567c478bd9Sstevel@tonic-gate load_n2m_table(char *file) 55577c478bd9Sstevel@tonic-gate { 55587c478bd9Sstevel@tonic-gate FILE *fp; 55597c478bd9Sstevel@tonic-gate char line[1024]; 55607c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 55617c478bd9Sstevel@tonic-gate major_t major; 55627c478bd9Sstevel@tonic-gate n2m_t *ptr; 55637c478bd9Sstevel@tonic-gate int ln = 0; 55647c478bd9Sstevel@tonic-gate 55657c478bd9Sstevel@tonic-gate if ((fp = fopen(file, "r")) == NULL) { 55667c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, file, strerror(errno)); 55677c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55687c478bd9Sstevel@tonic-gate } 55697c478bd9Sstevel@tonic-gate 55707c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 55717c478bd9Sstevel@tonic-gate ln++; 55727c478bd9Sstevel@tonic-gate if (line[0] == '#') { 55737c478bd9Sstevel@tonic-gate continue; 55747c478bd9Sstevel@tonic-gate } 55757c478bd9Sstevel@tonic-gate if (sscanf(line, "%1024s%lu", driver, &major) != 2) { 55767c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, file); 55777c478bd9Sstevel@tonic-gate continue; 55787c478bd9Sstevel@tonic-gate } 55797c478bd9Sstevel@tonic-gate ptr = (n2m_t *)s_malloc(sizeof (n2m_t)); 55807c478bd9Sstevel@tonic-gate ptr->major = major; 55817c478bd9Sstevel@tonic-gate ptr->driver = s_strdup(driver); 55827c478bd9Sstevel@tonic-gate ptr->next = n2m_list; 55837c478bd9Sstevel@tonic-gate n2m_list = ptr; 55847c478bd9Sstevel@tonic-gate } 55857c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 55867c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, file, strerror(errno)); 55877c478bd9Sstevel@tonic-gate } 55887c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55897c478bd9Sstevel@tonic-gate } 55907c478bd9Sstevel@tonic-gate 55917c478bd9Sstevel@tonic-gate /* 55927c478bd9Sstevel@tonic-gate * Called at devfsadm startup to read in the devlink.tab file. Creates 55937c478bd9Sstevel@tonic-gate * a linked list of devlinktab_list structures which will be 55947c478bd9Sstevel@tonic-gate * searched for every minor node. 55957c478bd9Sstevel@tonic-gate */ 55967c478bd9Sstevel@tonic-gate static void 55977c478bd9Sstevel@tonic-gate read_devlinktab_file(void) 55987c478bd9Sstevel@tonic-gate { 55997c478bd9Sstevel@tonic-gate devlinktab_list_t *headp = NULL; 56007c478bd9Sstevel@tonic-gate devlinktab_list_t *entryp; 56017c478bd9Sstevel@tonic-gate devlinktab_list_t **previous; 56027c478bd9Sstevel@tonic-gate devlinktab_list_t *save; 56037c478bd9Sstevel@tonic-gate char line[MAX_DEVLINK_LINE]; 56047c478bd9Sstevel@tonic-gate char *selector; 56057c478bd9Sstevel@tonic-gate char *p_link; 56067c478bd9Sstevel@tonic-gate char *s_link; 56077c478bd9Sstevel@tonic-gate FILE *fp; 56087c478bd9Sstevel@tonic-gate int i; 56097c478bd9Sstevel@tonic-gate static struct stat cached_sb; 56107c478bd9Sstevel@tonic-gate struct stat current_sb; 56117c478bd9Sstevel@tonic-gate static int cached = FALSE; 56127c478bd9Sstevel@tonic-gate 56137c478bd9Sstevel@tonic-gate if (devlinktab_file == NULL) { 56147c478bd9Sstevel@tonic-gate return; 56157c478bd9Sstevel@tonic-gate } 56167c478bd9Sstevel@tonic-gate 56177c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, ¤t_sb); 56187c478bd9Sstevel@tonic-gate 56197c478bd9Sstevel@tonic-gate /* if already cached, check to see if it is still valid */ 56207c478bd9Sstevel@tonic-gate if (cached == TRUE) { 56217c478bd9Sstevel@tonic-gate 56227c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 56237c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", devlinktab_file); 56247c478bd9Sstevel@tonic-gate return; 56257c478bd9Sstevel@tonic-gate } 56267c478bd9Sstevel@tonic-gate 56277c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", devlinktab_file); 56287c478bd9Sstevel@tonic-gate 56297c478bd9Sstevel@tonic-gate while (devlinktab_list != NULL) { 56307c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->p_link); 56317c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->s_link); 56327c478bd9Sstevel@tonic-gate free_selector_list(devlinktab_list->selector); 56337c478bd9Sstevel@tonic-gate free(devlinktab_list->selector_pattern); 56347c478bd9Sstevel@tonic-gate free(devlinktab_list->p_link_pattern); 56357c478bd9Sstevel@tonic-gate if (devlinktab_list->s_link_pattern != NULL) { 56367c478bd9Sstevel@tonic-gate free(devlinktab_list->s_link_pattern); 56377c478bd9Sstevel@tonic-gate } 56387c478bd9Sstevel@tonic-gate save = devlinktab_list; 56397c478bd9Sstevel@tonic-gate devlinktab_list = devlinktab_list->next; 56407c478bd9Sstevel@tonic-gate free(save); 56417c478bd9Sstevel@tonic-gate } 56427c478bd9Sstevel@tonic-gate } else { 56437c478bd9Sstevel@tonic-gate cached = TRUE; 56447c478bd9Sstevel@tonic-gate } 56457c478bd9Sstevel@tonic-gate 56467c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, &cached_sb); 56477c478bd9Sstevel@tonic-gate 56487c478bd9Sstevel@tonic-gate if ((fp = fopen(devlinktab_file, "r")) == NULL) { 56497c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, devlinktab_file, strerror(errno)); 56507c478bd9Sstevel@tonic-gate return; 56517c478bd9Sstevel@tonic-gate } 56527c478bd9Sstevel@tonic-gate 56537c478bd9Sstevel@tonic-gate previous = &headp; 56547c478bd9Sstevel@tonic-gate 56557c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 56567c478bd9Sstevel@tonic-gate devlinktab_line++; 56577c478bd9Sstevel@tonic-gate i = strlen(line); 56587c478bd9Sstevel@tonic-gate if (line[i-1] == NEWLINE) { 56597c478bd9Sstevel@tonic-gate line[i-1] = '\0'; 56607c478bd9Sstevel@tonic-gate } else if (i == sizeof (line-1)) { 56617c478bd9Sstevel@tonic-gate err_print(LINE_TOO_LONG, devlinktab_line, 56627c478bd9Sstevel@tonic-gate devlinktab_file, sizeof (line)-1); 56637c478bd9Sstevel@tonic-gate while (((i = getc(fp)) != '\n') && (i != EOF)); 56647c478bd9Sstevel@tonic-gate continue; 56657c478bd9Sstevel@tonic-gate } 56667c478bd9Sstevel@tonic-gate 56677c478bd9Sstevel@tonic-gate if ((line[0] == '#') || (line[0] == '\0')) { 56687c478bd9Sstevel@tonic-gate /* Ignore comments and blank lines */ 56697c478bd9Sstevel@tonic-gate continue; 56707c478bd9Sstevel@tonic-gate } 56717c478bd9Sstevel@tonic-gate 56727c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "table: %s line %d: '%s'\n", 56737c478bd9Sstevel@tonic-gate devlinktab_file, devlinktab_line, line); 56747c478bd9Sstevel@tonic-gate 56757c478bd9Sstevel@tonic-gate /* break each entry into fields. s_link may be NULL */ 56767c478bd9Sstevel@tonic-gate if (split_devlinktab_entry(line, &selector, &p_link, 56777c478bd9Sstevel@tonic-gate &s_link) == DEVFSADM_FAILURE) { 56787c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry returns failure\n"); 56797c478bd9Sstevel@tonic-gate continue; 56807c478bd9Sstevel@tonic-gate } else { 56817c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry selector='%s' " 56827c478bd9Sstevel@tonic-gate "p_link='%s' s_link='%s'\n\n", selector, 56837c478bd9Sstevel@tonic-gate p_link, (s_link == NULL) ? "" : s_link); 56847c478bd9Sstevel@tonic-gate } 56857c478bd9Sstevel@tonic-gate 56867c478bd9Sstevel@tonic-gate entryp = (devlinktab_list_t *) 56877c478bd9Sstevel@tonic-gate s_malloc(sizeof (devlinktab_list_t)); 56887c478bd9Sstevel@tonic-gate 56897c478bd9Sstevel@tonic-gate entryp->line_number = devlinktab_line; 56907c478bd9Sstevel@tonic-gate 56917c478bd9Sstevel@tonic-gate if ((entryp->selector = 56927c478bd9Sstevel@tonic-gate create_selector_list(selector)) == NULL) { 56937c478bd9Sstevel@tonic-gate free(entryp); 56947c478bd9Sstevel@tonic-gate continue; 56957c478bd9Sstevel@tonic-gate } 56967c478bd9Sstevel@tonic-gate entryp->selector_pattern = s_strdup(selector); 56977c478bd9Sstevel@tonic-gate 56987c478bd9Sstevel@tonic-gate if ((entryp->p_link = create_link_list(p_link)) == NULL) { 56997c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 57007c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 57017c478bd9Sstevel@tonic-gate free(entryp); 57027c478bd9Sstevel@tonic-gate continue; 57037c478bd9Sstevel@tonic-gate } 57047c478bd9Sstevel@tonic-gate 57057c478bd9Sstevel@tonic-gate entryp->p_link_pattern = s_strdup(p_link); 57067c478bd9Sstevel@tonic-gate 57077c478bd9Sstevel@tonic-gate if (s_link != NULL) { 57087c478bd9Sstevel@tonic-gate if ((entryp->s_link = 57097c478bd9Sstevel@tonic-gate create_link_list(s_link)) == NULL) { 57107c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 57117c478bd9Sstevel@tonic-gate free_link_list(entryp->p_link); 57127c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 57137c478bd9Sstevel@tonic-gate free(entryp->p_link_pattern); 57147c478bd9Sstevel@tonic-gate free(entryp); 57157c478bd9Sstevel@tonic-gate continue; 57167c478bd9Sstevel@tonic-gate } 57177c478bd9Sstevel@tonic-gate entryp->s_link_pattern = s_strdup(s_link); 57187c478bd9Sstevel@tonic-gate } else { 57197c478bd9Sstevel@tonic-gate entryp->s_link = NULL; 57207c478bd9Sstevel@tonic-gate entryp->s_link_pattern = NULL; 57217c478bd9Sstevel@tonic-gate 57227c478bd9Sstevel@tonic-gate } 57237c478bd9Sstevel@tonic-gate 57247c478bd9Sstevel@tonic-gate /* append to end of list */ 57257c478bd9Sstevel@tonic-gate 57267c478bd9Sstevel@tonic-gate entryp->next = NULL; 57277c478bd9Sstevel@tonic-gate *previous = entryp; 57287c478bd9Sstevel@tonic-gate previous = &(entryp->next); 57297c478bd9Sstevel@tonic-gate } 57307c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 57317c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, devlinktab_file, strerror(errno)); 57327c478bd9Sstevel@tonic-gate } 57337c478bd9Sstevel@tonic-gate devlinktab_list = headp; 57347c478bd9Sstevel@tonic-gate } 57357c478bd9Sstevel@tonic-gate 57367c478bd9Sstevel@tonic-gate /* 57377c478bd9Sstevel@tonic-gate * 57387c478bd9Sstevel@tonic-gate * For a single line entry in devlink.tab, split the line into fields 57397c478bd9Sstevel@tonic-gate * selector, p_link, and an optionally s_link. If s_link field is not 57407c478bd9Sstevel@tonic-gate * present, then return NULL in s_link (not NULL string). 57417c478bd9Sstevel@tonic-gate */ 57427c478bd9Sstevel@tonic-gate static int 57437c478bd9Sstevel@tonic-gate split_devlinktab_entry(char *entry, char **selector, char **p_link, 57447c478bd9Sstevel@tonic-gate char **s_link) 57457c478bd9Sstevel@tonic-gate { 57467c478bd9Sstevel@tonic-gate char *tab; 57477c478bd9Sstevel@tonic-gate 57487c478bd9Sstevel@tonic-gate *selector = entry; 57497c478bd9Sstevel@tonic-gate 57507c478bd9Sstevel@tonic-gate if ((tab = strchr(entry, TAB)) != NULL) { 57517c478bd9Sstevel@tonic-gate *tab = '\0'; 57527c478bd9Sstevel@tonic-gate *p_link = ++tab; 57537c478bd9Sstevel@tonic-gate } else { 57547c478bd9Sstevel@tonic-gate err_print(MISSING_TAB, devlinktab_line, devlinktab_file); 57557c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 57567c478bd9Sstevel@tonic-gate } 57577c478bd9Sstevel@tonic-gate 57587c478bd9Sstevel@tonic-gate if (*p_link == '\0') { 57597c478bd9Sstevel@tonic-gate err_print(MISSING_DEVNAME, devlinktab_line, devlinktab_file); 57607c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 57617c478bd9Sstevel@tonic-gate } 57627c478bd9Sstevel@tonic-gate 57637c478bd9Sstevel@tonic-gate if ((tab = strchr(*p_link, TAB)) != NULL) { 57647c478bd9Sstevel@tonic-gate *tab = '\0'; 57657c478bd9Sstevel@tonic-gate *s_link = ++tab; 57667c478bd9Sstevel@tonic-gate if (strchr(*s_link, TAB) != NULL) { 57677c478bd9Sstevel@tonic-gate err_print(TOO_MANY_FIELDS, devlinktab_line, 57687c478bd9Sstevel@tonic-gate devlinktab_file); 57697c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 57707c478bd9Sstevel@tonic-gate } 57717c478bd9Sstevel@tonic-gate } else { 57727c478bd9Sstevel@tonic-gate *s_link = NULL; 57737c478bd9Sstevel@tonic-gate } 57747c478bd9Sstevel@tonic-gate 57757c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57767c478bd9Sstevel@tonic-gate } 57777c478bd9Sstevel@tonic-gate 57787c478bd9Sstevel@tonic-gate /* 57797c478bd9Sstevel@tonic-gate * For a given devfs_spec field, for each element in the field, add it to 57807c478bd9Sstevel@tonic-gate * a linked list of devfs_spec structures. Return the linked list in 57817c478bd9Sstevel@tonic-gate * devfs_spec_list. 57827c478bd9Sstevel@tonic-gate */ 57837c478bd9Sstevel@tonic-gate static selector_list_t * 57847c478bd9Sstevel@tonic-gate create_selector_list(char *selector) 57857c478bd9Sstevel@tonic-gate { 57867c478bd9Sstevel@tonic-gate char *key; 57877c478bd9Sstevel@tonic-gate char *val; 57887c478bd9Sstevel@tonic-gate int error = FALSE; 57897c478bd9Sstevel@tonic-gate selector_list_t *head_selector_list = NULL; 57907c478bd9Sstevel@tonic-gate selector_list_t *selector_list; 57917c478bd9Sstevel@tonic-gate 57927c478bd9Sstevel@tonic-gate /* parse_devfs_spec splits the next field into keyword & value */ 57937c478bd9Sstevel@tonic-gate while ((*selector != NULL) && (error == FALSE)) { 57947c478bd9Sstevel@tonic-gate if (parse_selector(&selector, &key, 57957c478bd9Sstevel@tonic-gate &val) == DEVFSADM_FAILURE) { 57967c478bd9Sstevel@tonic-gate error = TRUE; 57977c478bd9Sstevel@tonic-gate break; 57987c478bd9Sstevel@tonic-gate } else { 57997c478bd9Sstevel@tonic-gate selector_list = (selector_list_t *) 58007c478bd9Sstevel@tonic-gate s_malloc(sizeof (selector_list_t)); 58017c478bd9Sstevel@tonic-gate if (strcmp(NAME_S, key) == 0) { 58027c478bd9Sstevel@tonic-gate selector_list->key = NAME; 58037c478bd9Sstevel@tonic-gate } else if (strcmp(TYPE_S, key) == 0) { 58047c478bd9Sstevel@tonic-gate selector_list->key = TYPE; 58057c478bd9Sstevel@tonic-gate } else if (strncmp(ADDR_S, key, ADDR_S_LEN) == 0) { 58067c478bd9Sstevel@tonic-gate selector_list->key = ADDR; 58077c478bd9Sstevel@tonic-gate if (key[ADDR_S_LEN] == '\0') { 58087c478bd9Sstevel@tonic-gate selector_list->arg = 0; 58097c478bd9Sstevel@tonic-gate } else if (isdigit(key[ADDR_S_LEN]) != 58107c478bd9Sstevel@tonic-gate FALSE) { 58117c478bd9Sstevel@tonic-gate selector_list->arg = 58127c478bd9Sstevel@tonic-gate atoi(&key[ADDR_S_LEN]); 58137c478bd9Sstevel@tonic-gate } else { 58147c478bd9Sstevel@tonic-gate error = TRUE; 58157c478bd9Sstevel@tonic-gate free(selector_list); 58167c478bd9Sstevel@tonic-gate err_print(BADKEYWORD, key, 58177c478bd9Sstevel@tonic-gate devlinktab_line, 58187c478bd9Sstevel@tonic-gate devlinktab_file); 58197c478bd9Sstevel@tonic-gate break; 58207c478bd9Sstevel@tonic-gate } 58217c478bd9Sstevel@tonic-gate } else if (strncmp(MINOR_S, key, 58227c478bd9Sstevel@tonic-gate MINOR_S_LEN) == 0) { 58237c478bd9Sstevel@tonic-gate selector_list->key = MINOR; 58247c478bd9Sstevel@tonic-gate if (key[MINOR_S_LEN] == '\0') { 58257c478bd9Sstevel@tonic-gate selector_list->arg = 0; 58267c478bd9Sstevel@tonic-gate } else if (isdigit(key[MINOR_S_LEN]) != 58277c478bd9Sstevel@tonic-gate FALSE) { 58287c478bd9Sstevel@tonic-gate selector_list->arg = 58297c478bd9Sstevel@tonic-gate atoi(&key[MINOR_S_LEN]); 58307c478bd9Sstevel@tonic-gate } else { 58317c478bd9Sstevel@tonic-gate error = TRUE; 58327c478bd9Sstevel@tonic-gate free(selector_list); 58337c478bd9Sstevel@tonic-gate err_print(BADKEYWORD, key, 58347c478bd9Sstevel@tonic-gate devlinktab_line, 58357c478bd9Sstevel@tonic-gate devlinktab_file); 58367c478bd9Sstevel@tonic-gate break; 58377c478bd9Sstevel@tonic-gate } 58387c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "MINOR = %s\n", val); 58397c478bd9Sstevel@tonic-gate } else { 58407c478bd9Sstevel@tonic-gate err_print(UNRECOGNIZED_KEY, key, 58417c478bd9Sstevel@tonic-gate devlinktab_line, devlinktab_file); 58427c478bd9Sstevel@tonic-gate error = TRUE; 58437c478bd9Sstevel@tonic-gate free(selector_list); 58447c478bd9Sstevel@tonic-gate break; 58457c478bd9Sstevel@tonic-gate } 58467c478bd9Sstevel@tonic-gate selector_list->val = s_strdup(val); 58477c478bd9Sstevel@tonic-gate selector_list->next = head_selector_list; 58487c478bd9Sstevel@tonic-gate head_selector_list = selector_list; 58497c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "key='%s' val='%s' arg=%d\n", 58507c478bd9Sstevel@tonic-gate key, val, selector_list->arg); 58517c478bd9Sstevel@tonic-gate } 58527c478bd9Sstevel@tonic-gate } 58537c478bd9Sstevel@tonic-gate 58547c478bd9Sstevel@tonic-gate if ((error == FALSE) && (head_selector_list != NULL)) { 58557c478bd9Sstevel@tonic-gate return (head_selector_list); 58567c478bd9Sstevel@tonic-gate } else { 58577c478bd9Sstevel@tonic-gate /* parse failed. Free any allocated structs */ 58587c478bd9Sstevel@tonic-gate free_selector_list(head_selector_list); 58597c478bd9Sstevel@tonic-gate return (NULL); 58607c478bd9Sstevel@tonic-gate } 58617c478bd9Sstevel@tonic-gate } 58627c478bd9Sstevel@tonic-gate 58637c478bd9Sstevel@tonic-gate /* 58647c478bd9Sstevel@tonic-gate * Takes a semicolon separated list of selector elements and breaks up 58657c478bd9Sstevel@tonic-gate * into a keyword-value pair. semicolon and equal characters are 58667c478bd9Sstevel@tonic-gate * replaced with NULL's. On success, selector is updated to point to the 58677c478bd9Sstevel@tonic-gate * terminating NULL character terminating the keyword-value pair, and the 58687c478bd9Sstevel@tonic-gate * function returns DEVFSADM_SUCCESS. If there is a syntax error, 58697c478bd9Sstevel@tonic-gate * devfs_spec is not modified and function returns DEVFSADM_FAILURE. 58707c478bd9Sstevel@tonic-gate */ 58717c478bd9Sstevel@tonic-gate static int 58727c478bd9Sstevel@tonic-gate parse_selector(char **selector, char **key, char **val) 58737c478bd9Sstevel@tonic-gate { 58747c478bd9Sstevel@tonic-gate char *equal; 58757c478bd9Sstevel@tonic-gate char *semi_colon; 58767c478bd9Sstevel@tonic-gate 58777c478bd9Sstevel@tonic-gate *key = *selector; 58787c478bd9Sstevel@tonic-gate 58797c478bd9Sstevel@tonic-gate if ((equal = strchr(*key, '=')) != NULL) { 58807c478bd9Sstevel@tonic-gate *equal = '\0'; 58817c478bd9Sstevel@tonic-gate } else { 58827c478bd9Sstevel@tonic-gate err_print(MISSING_EQUAL, devlinktab_line, devlinktab_file); 58837c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58847c478bd9Sstevel@tonic-gate } 58857c478bd9Sstevel@tonic-gate 58867c478bd9Sstevel@tonic-gate *val = ++equal; 58877c478bd9Sstevel@tonic-gate if ((semi_colon = strchr(equal, ';')) != NULL) { 58887c478bd9Sstevel@tonic-gate *semi_colon = '\0'; 58897c478bd9Sstevel@tonic-gate *selector = semi_colon + 1; 58907c478bd9Sstevel@tonic-gate } else { 58917c478bd9Sstevel@tonic-gate *selector = equal + strlen(equal); 58927c478bd9Sstevel@tonic-gate } 58937c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58947c478bd9Sstevel@tonic-gate } 58957c478bd9Sstevel@tonic-gate 58967c478bd9Sstevel@tonic-gate /* 58977c478bd9Sstevel@tonic-gate * link is either the second or third field of devlink.tab. Parse link 58987c478bd9Sstevel@tonic-gate * into a linked list of devlink structures and return ptr to list. Each 58997c478bd9Sstevel@tonic-gate * list element is either a constant string, or one of the following 59007c478bd9Sstevel@tonic-gate * escape sequences: \M, \A, \N, or \D. The first three escape sequences 59017c478bd9Sstevel@tonic-gate * take a numerical argument. 59027c478bd9Sstevel@tonic-gate */ 59037c478bd9Sstevel@tonic-gate static link_list_t * 59047c478bd9Sstevel@tonic-gate create_link_list(char *link) 59057c478bd9Sstevel@tonic-gate { 59067c478bd9Sstevel@tonic-gate int x = 0; 59077c478bd9Sstevel@tonic-gate int error = FALSE; 59087c478bd9Sstevel@tonic-gate int counter_found = FALSE; 59097c478bd9Sstevel@tonic-gate link_list_t *head = NULL; 59107c478bd9Sstevel@tonic-gate link_list_t **ptr; 59117c478bd9Sstevel@tonic-gate link_list_t *link_list; 59127c478bd9Sstevel@tonic-gate char constant[MAX_DEVLINK_LINE]; 59137c478bd9Sstevel@tonic-gate char *error_str; 59147c478bd9Sstevel@tonic-gate 59157c478bd9Sstevel@tonic-gate if (link == NULL) { 59167c478bd9Sstevel@tonic-gate return (NULL); 59177c478bd9Sstevel@tonic-gate } 59187c478bd9Sstevel@tonic-gate 59197c478bd9Sstevel@tonic-gate while ((*link != '\0') && (error == FALSE)) { 59207c478bd9Sstevel@tonic-gate link_list = (link_list_t *)s_malloc(sizeof (link_list_t)); 59217c478bd9Sstevel@tonic-gate link_list->next = NULL; 59227c478bd9Sstevel@tonic-gate 59237c478bd9Sstevel@tonic-gate while ((*link != '\0') && (*link != '\\')) { 59247c478bd9Sstevel@tonic-gate /* a non-escaped string */ 59257c478bd9Sstevel@tonic-gate constant[x++] = *(link++); 59267c478bd9Sstevel@tonic-gate } 59277c478bd9Sstevel@tonic-gate if (x != 0) { 59287c478bd9Sstevel@tonic-gate constant[x] = '\0'; 59297c478bd9Sstevel@tonic-gate link_list->type = CONSTANT; 59307c478bd9Sstevel@tonic-gate link_list->constant = s_strdup(constant); 59317c478bd9Sstevel@tonic-gate x = 0; 59327c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "CONSTANT FOUND %s\n", constant); 59337c478bd9Sstevel@tonic-gate } else { 59347c478bd9Sstevel@tonic-gate switch (*(++link)) { 59357c478bd9Sstevel@tonic-gate case 'M': 59367c478bd9Sstevel@tonic-gate link_list->type = MINOR; 59377c478bd9Sstevel@tonic-gate break; 59387c478bd9Sstevel@tonic-gate case 'A': 59397c478bd9Sstevel@tonic-gate link_list->type = ADDR; 59407c478bd9Sstevel@tonic-gate break; 59417c478bd9Sstevel@tonic-gate case 'N': 59427c478bd9Sstevel@tonic-gate if (counter_found == TRUE) { 59437c478bd9Sstevel@tonic-gate error = TRUE; 59447c478bd9Sstevel@tonic-gate error_str = "multiple counters " 59457c478bd9Sstevel@tonic-gate "not permitted"; 59467c478bd9Sstevel@tonic-gate free(link_list); 59477c478bd9Sstevel@tonic-gate } else { 59487c478bd9Sstevel@tonic-gate counter_found = TRUE; 59497c478bd9Sstevel@tonic-gate link_list->type = COUNTER; 59507c478bd9Sstevel@tonic-gate } 59517c478bd9Sstevel@tonic-gate break; 59527c478bd9Sstevel@tonic-gate case 'D': 59537c478bd9Sstevel@tonic-gate link_list->type = NAME; 59547c478bd9Sstevel@tonic-gate break; 59557c478bd9Sstevel@tonic-gate default: 59567c478bd9Sstevel@tonic-gate error = TRUE; 59577c478bd9Sstevel@tonic-gate free(link_list); 59587c478bd9Sstevel@tonic-gate error_str = "unrecognized escape sequence"; 59597c478bd9Sstevel@tonic-gate break; 59607c478bd9Sstevel@tonic-gate } 59617c478bd9Sstevel@tonic-gate if (*(link++) != 'D') { 59627c478bd9Sstevel@tonic-gate if (isdigit(*link) == FALSE) { 59637c478bd9Sstevel@tonic-gate error_str = "escape sequence must be " 59647c478bd9Sstevel@tonic-gate "followed by a digit\n"; 59657c478bd9Sstevel@tonic-gate error = TRUE; 59667c478bd9Sstevel@tonic-gate free(link_list); 59677c478bd9Sstevel@tonic-gate } else { 59687c478bd9Sstevel@tonic-gate link_list->arg = 59697c478bd9Sstevel@tonic-gate (int)strtoul(link, &link, 10); 59707c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "link_list->arg = " 59717c478bd9Sstevel@tonic-gate "%d\n", link_list->arg); 59727c478bd9Sstevel@tonic-gate } 59737c478bd9Sstevel@tonic-gate } 59747c478bd9Sstevel@tonic-gate } 59757c478bd9Sstevel@tonic-gate /* append link_list struct to end of list */ 59767c478bd9Sstevel@tonic-gate if (error == FALSE) { 59777c478bd9Sstevel@tonic-gate for (ptr = &head; *ptr != NULL; ptr = &((*ptr)->next)); 59787c478bd9Sstevel@tonic-gate *ptr = link_list; 59797c478bd9Sstevel@tonic-gate } 59807c478bd9Sstevel@tonic-gate } 59817c478bd9Sstevel@tonic-gate 59827c478bd9Sstevel@tonic-gate if (error == FALSE) { 59837c478bd9Sstevel@tonic-gate return (head); 59847c478bd9Sstevel@tonic-gate } else { 59857c478bd9Sstevel@tonic-gate err_print(CONFIG_INCORRECT, devlinktab_line, devlinktab_file, 59867c478bd9Sstevel@tonic-gate error_str); 59877c478bd9Sstevel@tonic-gate free_link_list(head); 59887c478bd9Sstevel@tonic-gate return (NULL); 59897c478bd9Sstevel@tonic-gate } 59907c478bd9Sstevel@tonic-gate } 59917c478bd9Sstevel@tonic-gate 59927c478bd9Sstevel@tonic-gate /* 59937c478bd9Sstevel@tonic-gate * Called for each minor node devfsadm processes; for each minor node, 59947c478bd9Sstevel@tonic-gate * look for matches in the devlinktab_list list which was created on 59957c478bd9Sstevel@tonic-gate * startup read_devlinktab_file(). If there is a match, call build_links() 59967c478bd9Sstevel@tonic-gate * to build a logical devlink and a possible extra devlink. 59977c478bd9Sstevel@tonic-gate */ 59987c478bd9Sstevel@tonic-gate static int 59997c478bd9Sstevel@tonic-gate process_devlink_compat(di_minor_t minor, di_node_t node) 60007c478bd9Sstevel@tonic-gate { 60017c478bd9Sstevel@tonic-gate int link_built = FALSE; 60027c478bd9Sstevel@tonic-gate devlinktab_list_t *entry; 60037c478bd9Sstevel@tonic-gate char *nodetype; 60047c478bd9Sstevel@tonic-gate char *dev_path; 60057c478bd9Sstevel@tonic-gate 60067c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 60077c478bd9Sstevel@tonic-gate nodetype = di_minor_nodetype(minor); 60087c478bd9Sstevel@tonic-gate assert(nodetype != NULL); 60097c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) != NULL) { 60107c478bd9Sstevel@tonic-gate vprint(INFO_MID, "'%s' entry: %s:%s\n", nodetype, 60117c478bd9Sstevel@tonic-gate dev_path, 60127c478bd9Sstevel@tonic-gate di_minor_name(minor) ? di_minor_name(minor) : 60137c478bd9Sstevel@tonic-gate ""); 60147c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 60157c478bd9Sstevel@tonic-gate } 60167c478bd9Sstevel@tonic-gate 60177c478bd9Sstevel@tonic-gate } 60187c478bd9Sstevel@tonic-gate 60197c478bd9Sstevel@tonic-gate 60207c478bd9Sstevel@tonic-gate /* don't process devlink.tab if devfsadm invoked with -c <class> */ 60217c478bd9Sstevel@tonic-gate if (num_classes > 0) { 60227c478bd9Sstevel@tonic-gate return (FALSE); 60237c478bd9Sstevel@tonic-gate } 60247c478bd9Sstevel@tonic-gate 60257c478bd9Sstevel@tonic-gate for (entry = devlinktab_list; entry != NULL; entry = entry->next) { 60267c478bd9Sstevel@tonic-gate if (devlink_matches(entry, minor, node) == DEVFSADM_SUCCESS) { 60277c478bd9Sstevel@tonic-gate link_built = TRUE; 60287c478bd9Sstevel@tonic-gate (void) build_links(entry, minor, node); 60297c478bd9Sstevel@tonic-gate } 60307c478bd9Sstevel@tonic-gate } 60317c478bd9Sstevel@tonic-gate return (link_built); 60327c478bd9Sstevel@tonic-gate } 60337c478bd9Sstevel@tonic-gate 60347c478bd9Sstevel@tonic-gate /* 60357c478bd9Sstevel@tonic-gate * For a given devlink.tab devlinktab_list entry, see if the selector 60367c478bd9Sstevel@tonic-gate * field matches this minor node. If it does, return DEVFSADM_SUCCESS, 60377c478bd9Sstevel@tonic-gate * otherwise DEVFSADM_FAILURE. 60387c478bd9Sstevel@tonic-gate */ 60397c478bd9Sstevel@tonic-gate static int 60407c478bd9Sstevel@tonic-gate devlink_matches(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 60417c478bd9Sstevel@tonic-gate { 60427c478bd9Sstevel@tonic-gate selector_list_t *selector = entry->selector; 60437c478bd9Sstevel@tonic-gate char *addr; 60447c478bd9Sstevel@tonic-gate char *minor_name; 60457c478bd9Sstevel@tonic-gate char *node_type; 60467c478bd9Sstevel@tonic-gate 60477c478bd9Sstevel@tonic-gate for (; selector != NULL; selector = selector->next) { 60487c478bd9Sstevel@tonic-gate switch (selector->key) { 60497c478bd9Sstevel@tonic-gate case NAME: 60507c478bd9Sstevel@tonic-gate if (strcmp(di_node_name(node), selector->val) != 0) { 60517c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60527c478bd9Sstevel@tonic-gate } 60537c478bd9Sstevel@tonic-gate break; 60547c478bd9Sstevel@tonic-gate case TYPE: 60557c478bd9Sstevel@tonic-gate node_type = di_minor_nodetype(minor); 60567c478bd9Sstevel@tonic-gate assert(node_type != NULL); 60577c478bd9Sstevel@tonic-gate if (strcmp(node_type, selector->val) != 0) { 60587c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60597c478bd9Sstevel@tonic-gate } 60607c478bd9Sstevel@tonic-gate break; 60617c478bd9Sstevel@tonic-gate case ADDR: 60627c478bd9Sstevel@tonic-gate if ((addr = di_bus_addr(node)) == NULL) { 60637c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60647c478bd9Sstevel@tonic-gate } 60657c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 60667c478bd9Sstevel@tonic-gate if (strcmp(addr, selector->val) != 0) { 60677c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60687c478bd9Sstevel@tonic-gate } 60697c478bd9Sstevel@tonic-gate } else { 60707c478bd9Sstevel@tonic-gate if (compare_field(addr, selector->val, 60717c478bd9Sstevel@tonic-gate selector->arg) == DEVFSADM_FAILURE) { 60727c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60737c478bd9Sstevel@tonic-gate } 60747c478bd9Sstevel@tonic-gate } 60757c478bd9Sstevel@tonic-gate break; 60767c478bd9Sstevel@tonic-gate case MINOR: 60777c478bd9Sstevel@tonic-gate if ((minor_name = di_minor_name(minor)) == NULL) { 60787c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60797c478bd9Sstevel@tonic-gate } 60807c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 60817c478bd9Sstevel@tonic-gate if (strcmp(minor_name, selector->val) != 0) { 60827c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60837c478bd9Sstevel@tonic-gate } 60847c478bd9Sstevel@tonic-gate } else { 60857c478bd9Sstevel@tonic-gate if (compare_field(minor_name, selector->val, 60867c478bd9Sstevel@tonic-gate selector->arg) == DEVFSADM_FAILURE) { 60877c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60887c478bd9Sstevel@tonic-gate } 60897c478bd9Sstevel@tonic-gate } 60907c478bd9Sstevel@tonic-gate break; 60917c478bd9Sstevel@tonic-gate default: 60927c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60937c478bd9Sstevel@tonic-gate } 60947c478bd9Sstevel@tonic-gate } 60957c478bd9Sstevel@tonic-gate 60967c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 60977c478bd9Sstevel@tonic-gate } 60987c478bd9Sstevel@tonic-gate 60997c478bd9Sstevel@tonic-gate /* 61007c478bd9Sstevel@tonic-gate * For the given minor node and devlinktab_list entry from devlink.tab, 61017c478bd9Sstevel@tonic-gate * build a logical dev link and a possible extra devlink. 61027c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS if link is created, otherwise DEVFSADM_FAILURE. 61037c478bd9Sstevel@tonic-gate */ 61047c478bd9Sstevel@tonic-gate static int 61057c478bd9Sstevel@tonic-gate build_links(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 61067c478bd9Sstevel@tonic-gate { 61077c478bd9Sstevel@tonic-gate char secondary_link[PATH_MAX + 1]; 61087c478bd9Sstevel@tonic-gate char primary_link[PATH_MAX + 1]; 61097c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 61107c478bd9Sstevel@tonic-gate char *dev_path; 61117c478bd9Sstevel@tonic-gate 61127c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 61137c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 61147c478bd9Sstevel@tonic-gate devfsadm_exit(1); 61157c478bd9Sstevel@tonic-gate } 61167c478bd9Sstevel@tonic-gate (void) strcpy(contents, dev_path); 61177c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 61187c478bd9Sstevel@tonic-gate 61197c478bd9Sstevel@tonic-gate (void) strcat(contents, ":"); 61207c478bd9Sstevel@tonic-gate (void) strcat(contents, di_minor_name(minor)); 61217c478bd9Sstevel@tonic-gate 61227c478bd9Sstevel@tonic-gate if (construct_devlink(primary_link, entry->p_link, contents, 61237c478bd9Sstevel@tonic-gate minor, node, 61247c478bd9Sstevel@tonic-gate entry->p_link_pattern) == DEVFSADM_FAILURE) { 61257c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61267c478bd9Sstevel@tonic-gate } 61277c478bd9Sstevel@tonic-gate (void) devfsadm_mklink(primary_link, node, minor, 0); 61287c478bd9Sstevel@tonic-gate 61297c478bd9Sstevel@tonic-gate if (entry->s_link == NULL) { 61307c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 61317c478bd9Sstevel@tonic-gate } 61327c478bd9Sstevel@tonic-gate 61337c478bd9Sstevel@tonic-gate if (construct_devlink(secondary_link, entry->s_link, 61347c478bd9Sstevel@tonic-gate primary_link, minor, node, 61357c478bd9Sstevel@tonic-gate entry->s_link_pattern) == DEVFSADM_FAILURE) { 61367c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61377c478bd9Sstevel@tonic-gate } 61387c478bd9Sstevel@tonic-gate 61397c478bd9Sstevel@tonic-gate (void) devfsadm_secondary_link(secondary_link, primary_link, 0); 61407c478bd9Sstevel@tonic-gate 61417c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 61427c478bd9Sstevel@tonic-gate } 61437c478bd9Sstevel@tonic-gate 61447c478bd9Sstevel@tonic-gate /* 61457c478bd9Sstevel@tonic-gate * The counter rule for devlink.tab entries is implemented via 61467c478bd9Sstevel@tonic-gate * devfsadm_enumerate_int_start(). One of the arguments to this function 61477c478bd9Sstevel@tonic-gate * is a path, where each path component is treated as a regular expression. 61487c478bd9Sstevel@tonic-gate * For devlink.tab entries, this path regular expression is derived from 61497c478bd9Sstevel@tonic-gate * the devlink spec. get_anchored_re() accepts path regular expressions derived 61507c478bd9Sstevel@tonic-gate * from devlink.tab entries and inserts the anchors '^' and '$' at the beginning 61517c478bd9Sstevel@tonic-gate * and end respectively of each path component. This is done to prevent 61527c478bd9Sstevel@tonic-gate * false matches. For example, without anchors, "a/([0-9]+)" will match "ab/c9" 61537c478bd9Sstevel@tonic-gate * and incorrect links will be generated. 61547c478bd9Sstevel@tonic-gate */ 61557c478bd9Sstevel@tonic-gate static int 61567c478bd9Sstevel@tonic-gate get_anchored_re(char *link, char *anchored_re, char *pattern) 61577c478bd9Sstevel@tonic-gate { 61587c478bd9Sstevel@tonic-gate if (*link == '/' || *link == '\0') { 61597c478bd9Sstevel@tonic-gate err_print(INVALID_DEVLINK_SPEC, pattern); 61607c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61617c478bd9Sstevel@tonic-gate } 61627c478bd9Sstevel@tonic-gate 61637c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 61647c478bd9Sstevel@tonic-gate for (; *link != '\0'; ) { 61657c478bd9Sstevel@tonic-gate if (*link == '/') { 61667c478bd9Sstevel@tonic-gate while (*link == '/') 61677c478bd9Sstevel@tonic-gate link++; 61687c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 61697c478bd9Sstevel@tonic-gate *anchored_re++ = '/'; 61707c478bd9Sstevel@tonic-gate if (*link != '\0') { 61717c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 61727c478bd9Sstevel@tonic-gate } 61737c478bd9Sstevel@tonic-gate } else { 61747c478bd9Sstevel@tonic-gate *anchored_re++ = *link++; 61757c478bd9Sstevel@tonic-gate if (*link == '\0') { 61767c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 61777c478bd9Sstevel@tonic-gate } 61787c478bd9Sstevel@tonic-gate } 61797c478bd9Sstevel@tonic-gate } 61807c478bd9Sstevel@tonic-gate *anchored_re = '\0'; 61817c478bd9Sstevel@tonic-gate 61827c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 61837c478bd9Sstevel@tonic-gate } 61847c478bd9Sstevel@tonic-gate 61857c478bd9Sstevel@tonic-gate static int 61867c478bd9Sstevel@tonic-gate construct_devlink(char *link, link_list_t *link_build, char *contents, 61877c478bd9Sstevel@tonic-gate di_minor_t minor, di_node_t node, char *pattern) 61887c478bd9Sstevel@tonic-gate { 61897c478bd9Sstevel@tonic-gate int counter_offset = -1; 61907c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[1] = {NULL}; 61917c478bd9Sstevel@tonic-gate char templink[PATH_MAX + 1]; 61927c478bd9Sstevel@tonic-gate char *buff; 61937c478bd9Sstevel@tonic-gate char start[10]; 61947c478bd9Sstevel@tonic-gate char *node_path; 61957c478bd9Sstevel@tonic-gate char anchored_re[PATH_MAX + 1]; 61967c478bd9Sstevel@tonic-gate 61977c478bd9Sstevel@tonic-gate link[0] = '\0'; 61987c478bd9Sstevel@tonic-gate 61997c478bd9Sstevel@tonic-gate for (; link_build != NULL; link_build = link_build->next) { 62007c478bd9Sstevel@tonic-gate switch (link_build->type) { 62017c478bd9Sstevel@tonic-gate case NAME: 62027c478bd9Sstevel@tonic-gate (void) strcat(link, di_node_name(node)); 62037c478bd9Sstevel@tonic-gate break; 62047c478bd9Sstevel@tonic-gate case CONSTANT: 62057c478bd9Sstevel@tonic-gate (void) strcat(link, link_build->constant); 62067c478bd9Sstevel@tonic-gate break; 62077c478bd9Sstevel@tonic-gate case ADDR: 62087c478bd9Sstevel@tonic-gate if (component_cat(link, di_bus_addr(node), 62097c478bd9Sstevel@tonic-gate link_build->arg) == DEVFSADM_FAILURE) { 62107c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 62117c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 62127c478bd9Sstevel@tonic-gate di_minor_name(minor)); 62137c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 62147c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62157c478bd9Sstevel@tonic-gate } 62167c478bd9Sstevel@tonic-gate break; 62177c478bd9Sstevel@tonic-gate case MINOR: 62187c478bd9Sstevel@tonic-gate if (component_cat(link, di_minor_name(minor), 62197c478bd9Sstevel@tonic-gate link_build->arg) == DEVFSADM_FAILURE) { 62207c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 62217c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 62227c478bd9Sstevel@tonic-gate di_minor_name(minor)); 62237c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 62247c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62257c478bd9Sstevel@tonic-gate } 62267c478bd9Sstevel@tonic-gate break; 62277c478bd9Sstevel@tonic-gate case COUNTER: 62287c478bd9Sstevel@tonic-gate counter_offset = strlen(link); 62297c478bd9Sstevel@tonic-gate (void) strcat(link, "([0-9]+)"); 62307c478bd9Sstevel@tonic-gate (void) sprintf(start, "%d", link_build->arg); 62317c478bd9Sstevel@tonic-gate break; 62327c478bd9Sstevel@tonic-gate default: 62337c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62347c478bd9Sstevel@tonic-gate } 62357c478bd9Sstevel@tonic-gate } 62367c478bd9Sstevel@tonic-gate 62377c478bd9Sstevel@tonic-gate if (counter_offset != -1) { 62387c478bd9Sstevel@tonic-gate /* 62397c478bd9Sstevel@tonic-gate * copy anything appended after "([0-9]+)" into 62407c478bd9Sstevel@tonic-gate * templink 62417c478bd9Sstevel@tonic-gate */ 62427c478bd9Sstevel@tonic-gate 62437c478bd9Sstevel@tonic-gate (void) strcpy(templink, 62447c478bd9Sstevel@tonic-gate &link[counter_offset + strlen("([0-9]+)")]); 62457c478bd9Sstevel@tonic-gate if (get_anchored_re(link, anchored_re, pattern) 62467c478bd9Sstevel@tonic-gate != DEVFSADM_SUCCESS) { 62477c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62487c478bd9Sstevel@tonic-gate } 62497c478bd9Sstevel@tonic-gate rules[0].re = anchored_re; 62507c478bd9Sstevel@tonic-gate rules[0].subexp = 1; 62517c478bd9Sstevel@tonic-gate rules[0].flags = MATCH_ALL; 62527c478bd9Sstevel@tonic-gate if (devfsadm_enumerate_int_start(contents, 0, &buff, 62537c478bd9Sstevel@tonic-gate rules, 1, start) == DEVFSADM_FAILURE) { 62547c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62557c478bd9Sstevel@tonic-gate } 62567c478bd9Sstevel@tonic-gate (void) strcpy(&link[counter_offset], buff); 62577c478bd9Sstevel@tonic-gate free(buff); 62587c478bd9Sstevel@tonic-gate (void) strcat(link, templink); 62597c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "COUNTER is %s\n", link); 62607c478bd9Sstevel@tonic-gate } 62617c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 62627c478bd9Sstevel@tonic-gate } 62637c478bd9Sstevel@tonic-gate 62647c478bd9Sstevel@tonic-gate /* 62657c478bd9Sstevel@tonic-gate * Compares "field" number of the comma separated list "full_name" with 62667c478bd9Sstevel@tonic-gate * field_item. Returns DEVFSADM_SUCCESS for match, 62677c478bd9Sstevel@tonic-gate * DEVFSADM_FAILURE for no match. 62687c478bd9Sstevel@tonic-gate */ 62697c478bd9Sstevel@tonic-gate static int 62707c478bd9Sstevel@tonic-gate compare_field(char *full_name, char *field_item, int field) 62717c478bd9Sstevel@tonic-gate { 62727c478bd9Sstevel@tonic-gate --field; 62737c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (field != 0)) { 62747c478bd9Sstevel@tonic-gate if (*(full_name++) == ',') { 62757c478bd9Sstevel@tonic-gate field--; 62767c478bd9Sstevel@tonic-gate } 62777c478bd9Sstevel@tonic-gate } 62787c478bd9Sstevel@tonic-gate 62797c478bd9Sstevel@tonic-gate if (field != 0) { 62807c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62817c478bd9Sstevel@tonic-gate } 62827c478bd9Sstevel@tonic-gate 62837c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (*field_item != '\0') && 62847c478bd9Sstevel@tonic-gate (*full_name != ',')) { 62857c478bd9Sstevel@tonic-gate if (*(full_name++) != *(field_item++)) { 62867c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62877c478bd9Sstevel@tonic-gate } 62887c478bd9Sstevel@tonic-gate } 62897c478bd9Sstevel@tonic-gate 62907c478bd9Sstevel@tonic-gate if (*field_item != '\0') { 62917c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62927c478bd9Sstevel@tonic-gate } 62937c478bd9Sstevel@tonic-gate 62947c478bd9Sstevel@tonic-gate if ((*full_name == '\0') || (*full_name == ',')) 62957c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 62967c478bd9Sstevel@tonic-gate 62977c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62987c478bd9Sstevel@tonic-gate } 62997c478bd9Sstevel@tonic-gate 63007c478bd9Sstevel@tonic-gate /* 63017c478bd9Sstevel@tonic-gate * strcat() field # "field" of comma separated list "name" to "link". 63027c478bd9Sstevel@tonic-gate * Field 0 is the entire name. 63037c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS or DEVFSADM_FAILURE. 63047c478bd9Sstevel@tonic-gate */ 63057c478bd9Sstevel@tonic-gate static int 63067c478bd9Sstevel@tonic-gate component_cat(char *link, char *name, int field) 63077c478bd9Sstevel@tonic-gate { 63087c478bd9Sstevel@tonic-gate 63097c478bd9Sstevel@tonic-gate if (name == NULL) { 63107c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63117c478bd9Sstevel@tonic-gate } 63127c478bd9Sstevel@tonic-gate 63137c478bd9Sstevel@tonic-gate if (field == 0) { 63147c478bd9Sstevel@tonic-gate (void) strcat(link, name); 63157c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 63167c478bd9Sstevel@tonic-gate } 63177c478bd9Sstevel@tonic-gate 63187c478bd9Sstevel@tonic-gate while (*link != '\0') { 63197c478bd9Sstevel@tonic-gate link++; 63207c478bd9Sstevel@tonic-gate } 63217c478bd9Sstevel@tonic-gate 63227c478bd9Sstevel@tonic-gate --field; 63237c478bd9Sstevel@tonic-gate while ((*name != '\0') && (field != 0)) { 63247c478bd9Sstevel@tonic-gate if (*(name++) == ',') { 63257c478bd9Sstevel@tonic-gate --field; 63267c478bd9Sstevel@tonic-gate } 63277c478bd9Sstevel@tonic-gate } 63287c478bd9Sstevel@tonic-gate 63297c478bd9Sstevel@tonic-gate if (field != 0) { 63307c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63317c478bd9Sstevel@tonic-gate } 63327c478bd9Sstevel@tonic-gate 63337c478bd9Sstevel@tonic-gate while ((*name != '\0') && (*name != ',')) { 63347c478bd9Sstevel@tonic-gate *(link++) = *(name++); 63357c478bd9Sstevel@tonic-gate } 63367c478bd9Sstevel@tonic-gate 63377c478bd9Sstevel@tonic-gate *link = '\0'; 63387c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 63397c478bd9Sstevel@tonic-gate } 63407c478bd9Sstevel@tonic-gate 63417c478bd9Sstevel@tonic-gate static void 63427c478bd9Sstevel@tonic-gate free_selector_list(selector_list_t *head) 63437c478bd9Sstevel@tonic-gate { 63447c478bd9Sstevel@tonic-gate selector_list_t *temp; 63457c478bd9Sstevel@tonic-gate 63467c478bd9Sstevel@tonic-gate while (head != NULL) { 63477c478bd9Sstevel@tonic-gate temp = head; 63487c478bd9Sstevel@tonic-gate head = head->next; 63497c478bd9Sstevel@tonic-gate free(temp->val); 63507c478bd9Sstevel@tonic-gate free(temp); 63517c478bd9Sstevel@tonic-gate } 63527c478bd9Sstevel@tonic-gate } 63537c478bd9Sstevel@tonic-gate 63547c478bd9Sstevel@tonic-gate static void 63557c478bd9Sstevel@tonic-gate free_link_list(link_list_t *head) 63567c478bd9Sstevel@tonic-gate { 63577c478bd9Sstevel@tonic-gate link_list_t *temp; 63587c478bd9Sstevel@tonic-gate 63597c478bd9Sstevel@tonic-gate while (head != NULL) { 63607c478bd9Sstevel@tonic-gate temp = head; 63617c478bd9Sstevel@tonic-gate head = head->next; 63627c478bd9Sstevel@tonic-gate if (temp->type == CONSTANT) { 63637c478bd9Sstevel@tonic-gate free(temp->constant); 63647c478bd9Sstevel@tonic-gate } 63657c478bd9Sstevel@tonic-gate free(temp); 63667c478bd9Sstevel@tonic-gate } 63677c478bd9Sstevel@tonic-gate } 63687c478bd9Sstevel@tonic-gate 63697c478bd9Sstevel@tonic-gate /* 63707c478bd9Sstevel@tonic-gate * Prints only if level matches one of the debug levels 63717c478bd9Sstevel@tonic-gate * given on command line. INFO_MID is always printed. 63727c478bd9Sstevel@tonic-gate * 63737c478bd9Sstevel@tonic-gate * See devfsadm.h for a listing of globally defined levels and 63747c478bd9Sstevel@tonic-gate * meanings. Modules should prefix the level with their 63757c478bd9Sstevel@tonic-gate * module name to prevent collisions. 63767c478bd9Sstevel@tonic-gate */ 63777c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 63787c478bd9Sstevel@tonic-gate void 63797c478bd9Sstevel@tonic-gate devfsadm_print(char *msgid, char *message, ...) 63807c478bd9Sstevel@tonic-gate { 63817c478bd9Sstevel@tonic-gate va_list ap; 63827c478bd9Sstevel@tonic-gate static int newline = TRUE; 63837c478bd9Sstevel@tonic-gate int x; 63847c478bd9Sstevel@tonic-gate 63857c478bd9Sstevel@tonic-gate if (msgid != NULL) { 63867c478bd9Sstevel@tonic-gate for (x = 0; x < num_verbose; x++) { 63877c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], msgid) == 0) { 63887c478bd9Sstevel@tonic-gate break; 63897c478bd9Sstevel@tonic-gate } 63907c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], ALL_MID) == 0) { 63917c478bd9Sstevel@tonic-gate break; 63927c478bd9Sstevel@tonic-gate } 63937c478bd9Sstevel@tonic-gate } 63947c478bd9Sstevel@tonic-gate if (x == num_verbose) { 63957c478bd9Sstevel@tonic-gate return; 63967c478bd9Sstevel@tonic-gate } 63977c478bd9Sstevel@tonic-gate } 63987c478bd9Sstevel@tonic-gate 63997c478bd9Sstevel@tonic-gate va_start(ap, message); 64007c478bd9Sstevel@tonic-gate 64017c478bd9Sstevel@tonic-gate if (msgid == NULL) { 64027c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 64037c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_NOTICE, message, ap); 64047c478bd9Sstevel@tonic-gate } else { 64057c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 64067c478bd9Sstevel@tonic-gate } 64077c478bd9Sstevel@tonic-gate 64087c478bd9Sstevel@tonic-gate } else { 64097c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 64107c478bd9Sstevel@tonic-gate (void) syslog(LOG_DEBUG, "%s[%ld]: %s: ", 64117c478bd9Sstevel@tonic-gate prog, getpid(), msgid); 64127c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_DEBUG, message, ap); 64137c478bd9Sstevel@tonic-gate } else { 64147c478bd9Sstevel@tonic-gate if (newline == TRUE) { 64157c478bd9Sstevel@tonic-gate (void) fprintf(stdout, "%s[%ld]: %s: ", 64167c478bd9Sstevel@tonic-gate prog, getpid(), msgid); 64177c478bd9Sstevel@tonic-gate } 64187c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 64197c478bd9Sstevel@tonic-gate } 64207c478bd9Sstevel@tonic-gate } 64217c478bd9Sstevel@tonic-gate 64227c478bd9Sstevel@tonic-gate if (message[strlen(message) - 1] == '\n') { 64237c478bd9Sstevel@tonic-gate newline = TRUE; 64247c478bd9Sstevel@tonic-gate } else { 64257c478bd9Sstevel@tonic-gate newline = FALSE; 64267c478bd9Sstevel@tonic-gate } 64277c478bd9Sstevel@tonic-gate va_end(ap); 64287c478bd9Sstevel@tonic-gate } 64297c478bd9Sstevel@tonic-gate 64307c478bd9Sstevel@tonic-gate /* 64317c478bd9Sstevel@tonic-gate * print error messages to the terminal or to syslog 64327c478bd9Sstevel@tonic-gate */ 64337c478bd9Sstevel@tonic-gate /*PRINTFLIKE1*/ 64347c478bd9Sstevel@tonic-gate void 64357c478bd9Sstevel@tonic-gate devfsadm_errprint(char *message, ...) 64367c478bd9Sstevel@tonic-gate { 64377c478bd9Sstevel@tonic-gate va_list ap; 64387c478bd9Sstevel@tonic-gate 64397c478bd9Sstevel@tonic-gate va_start(ap, message); 64407c478bd9Sstevel@tonic-gate 64417c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 64427c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_ERR, message, ap); 64437c478bd9Sstevel@tonic-gate } else { 64447c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s: ", prog); 64457c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, message, ap); 64467c478bd9Sstevel@tonic-gate } 64477c478bd9Sstevel@tonic-gate va_end(ap); 64487c478bd9Sstevel@tonic-gate } 64497c478bd9Sstevel@tonic-gate 64507c478bd9Sstevel@tonic-gate /* 64517c478bd9Sstevel@tonic-gate * return noupdate state (-s) 64527c478bd9Sstevel@tonic-gate */ 64537c478bd9Sstevel@tonic-gate int 64547c478bd9Sstevel@tonic-gate devfsadm_noupdate(void) 64557c478bd9Sstevel@tonic-gate { 64567c478bd9Sstevel@tonic-gate return (file_mods == TRUE ? DEVFSADM_TRUE : DEVFSADM_FALSE); 64577c478bd9Sstevel@tonic-gate } 64587c478bd9Sstevel@tonic-gate 64597c478bd9Sstevel@tonic-gate /* 64607c478bd9Sstevel@tonic-gate * return current root update path (-r) 64617c478bd9Sstevel@tonic-gate */ 64627c478bd9Sstevel@tonic-gate const char * 64637c478bd9Sstevel@tonic-gate devfsadm_root_path(void) 64647c478bd9Sstevel@tonic-gate { 64657c478bd9Sstevel@tonic-gate if (root_dir[0] == '\0') { 64667c478bd9Sstevel@tonic-gate return ("/"); 64677c478bd9Sstevel@tonic-gate } else { 64687c478bd9Sstevel@tonic-gate return ((const char *)root_dir); 64697c478bd9Sstevel@tonic-gate } 64707c478bd9Sstevel@tonic-gate } 64717c478bd9Sstevel@tonic-gate 64723c4226f9Spjha void 64733c4226f9Spjha devfsadm_free_dev_names(char **dev_names, int len) 64743c4226f9Spjha { 64753c4226f9Spjha int i; 64763c4226f9Spjha 64773c4226f9Spjha for (i = 0; i < len; i++) 64783c4226f9Spjha free(dev_names[i]); 64793c4226f9Spjha free(dev_names); 64803c4226f9Spjha } 64813c4226f9Spjha 64823c4226f9Spjha /* 64833c4226f9Spjha * Return all devlinks corresponding to phys_path as an array of strings. 64843c4226f9Spjha * The number of entries in the array is returned through lenp. 64853c4226f9Spjha * devfsadm_free_dev_names() is used to free the returned array. 64863c4226f9Spjha * NULL is returned on failure or when there are no matching devlinks. 64873c4226f9Spjha * 64883c4226f9Spjha * re is an extended regular expression in regex(5) format used to further 64893c4226f9Spjha * match devlinks pointing to phys_path; it may be NULL to match all 64903c4226f9Spjha */ 64913c4226f9Spjha char ** 64923c4226f9Spjha devfsadm_lookup_dev_names(char *phys_path, char *re, int *lenp) 64933c4226f9Spjha { 64943c4226f9Spjha struct devlink_cb_arg cb_arg; 64953c4226f9Spjha char **dev_names = NULL; 64963c4226f9Spjha int i; 64973c4226f9Spjha 64983c4226f9Spjha *lenp = 0; 64993c4226f9Spjha cb_arg.count = 0; 65003c4226f9Spjha cb_arg.rv = 0; 65013c4226f9Spjha (void) di_devlink_cache_walk(devlink_cache, re, phys_path, 65023c4226f9Spjha DI_PRIMARY_LINK, &cb_arg, devlink_cb); 65033c4226f9Spjha 65043c4226f9Spjha if (cb_arg.rv == -1 || cb_arg.count <= 0) 65053c4226f9Spjha return (NULL); 65063c4226f9Spjha 65073c4226f9Spjha dev_names = s_malloc(cb_arg.count * sizeof (char *)); 65083c4226f9Spjha if (dev_names == NULL) 65093c4226f9Spjha goto out; 65103c4226f9Spjha 65113c4226f9Spjha for (i = 0; i < cb_arg.count; i++) { 65123c4226f9Spjha dev_names[i] = s_strdup(cb_arg.dev_names[i]); 65133c4226f9Spjha if (dev_names[i] == NULL) { 65143c4226f9Spjha devfsadm_free_dev_names(dev_names, i); 65153c4226f9Spjha dev_names = NULL; 65163c4226f9Spjha goto out; 65173c4226f9Spjha } 65183c4226f9Spjha } 65193c4226f9Spjha *lenp = cb_arg.count; 65203c4226f9Spjha 65213c4226f9Spjha out: 65223c4226f9Spjha free_dev_names(&cb_arg); 65233c4226f9Spjha return (dev_names); 65243c4226f9Spjha } 65253c4226f9Spjha 65267c478bd9Sstevel@tonic-gate /* common exit function which ensures releasing locks */ 65277c478bd9Sstevel@tonic-gate static void 65287c478bd9Sstevel@tonic-gate devfsadm_exit(int status) 65297c478bd9Sstevel@tonic-gate { 65307c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON) { 65317c478bd9Sstevel@tonic-gate vprint(INFO_MID, "exit status = %d\n", status); 65327c478bd9Sstevel@tonic-gate } 65337c478bd9Sstevel@tonic-gate 65347c478bd9Sstevel@tonic-gate if (rcm_hdl) { 65357c478bd9Sstevel@tonic-gate if (thr_self() != process_rcm_events_tid) { 65367c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 65377c478bd9Sstevel@tonic-gate need_to_exit_rcm_event_thread = 1; 65387c478bd9Sstevel@tonic-gate (void) cond_broadcast(&rcm_eventq_cv); 65397c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 65407c478bd9Sstevel@tonic-gate 65417c478bd9Sstevel@tonic-gate /* wait until process_rcm_events() thread exits */ 65427c478bd9Sstevel@tonic-gate (void) thr_join(process_rcm_events_tid, NULL, NULL); 65437c478bd9Sstevel@tonic-gate } 65447c478bd9Sstevel@tonic-gate librcm_free_handle(rcm_hdl); 65457c478bd9Sstevel@tonic-gate (void) dlclose(librcm_hdl); 65467c478bd9Sstevel@tonic-gate } 65477c478bd9Sstevel@tonic-gate 65487c478bd9Sstevel@tonic-gate exit_dev_lock(); 65497c478bd9Sstevel@tonic-gate exit_daemon_lock(); 65507c478bd9Sstevel@tonic-gate 65517c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 65527c478bd9Sstevel@tonic-gate closelog(); 65537c478bd9Sstevel@tonic-gate } 65547c478bd9Sstevel@tonic-gate 65557c478bd9Sstevel@tonic-gate exit(status); 65567c478bd9Sstevel@tonic-gate } 65577c478bd9Sstevel@tonic-gate 65587c478bd9Sstevel@tonic-gate /* 6559*facf4a8dSllai * set root_dir, devices_dir, dev_dir using optarg. 65607c478bd9Sstevel@tonic-gate */ 65617c478bd9Sstevel@tonic-gate static void 6562*facf4a8dSllai set_root_devices_dev_dir(char *dir) 65637c478bd9Sstevel@tonic-gate { 65647c478bd9Sstevel@tonic-gate size_t len; 65657c478bd9Sstevel@tonic-gate 65667c478bd9Sstevel@tonic-gate root_dir = s_strdup(dir); 65677c478bd9Sstevel@tonic-gate len = strlen(dir) + strlen(DEVICES) + 1; 65687c478bd9Sstevel@tonic-gate devices_dir = s_malloc(len); 65697c478bd9Sstevel@tonic-gate (void) snprintf(devices_dir, len, "%s%s", root_dir, DEVICES); 65707c478bd9Sstevel@tonic-gate len = strlen(root_dir) + strlen(DEV) + 1; 65717c478bd9Sstevel@tonic-gate dev_dir = s_malloc(len); 65727c478bd9Sstevel@tonic-gate (void) snprintf(dev_dir, len, "%s%s", root_dir, DEV); 65737c478bd9Sstevel@tonic-gate } 65747c478bd9Sstevel@tonic-gate 65757c478bd9Sstevel@tonic-gate /* 65767c478bd9Sstevel@tonic-gate * Removes quotes. 65777c478bd9Sstevel@tonic-gate */ 65787c478bd9Sstevel@tonic-gate static char * 65797c478bd9Sstevel@tonic-gate dequote(char *src) 65807c478bd9Sstevel@tonic-gate { 65817c478bd9Sstevel@tonic-gate char *dst; 65827c478bd9Sstevel@tonic-gate int len; 65837c478bd9Sstevel@tonic-gate 65847c478bd9Sstevel@tonic-gate len = strlen(src); 65857c478bd9Sstevel@tonic-gate dst = s_malloc(len + 1); 65867c478bd9Sstevel@tonic-gate if (src[0] == '\"' && src[len - 1] == '\"') { 65877c478bd9Sstevel@tonic-gate len -= 2; 65887c478bd9Sstevel@tonic-gate (void) strncpy(dst, &src[1], len); 65897c478bd9Sstevel@tonic-gate dst[len] = '\0'; 65907c478bd9Sstevel@tonic-gate } else { 65917c478bd9Sstevel@tonic-gate (void) strcpy(dst, src); 65927c478bd9Sstevel@tonic-gate } 65937c478bd9Sstevel@tonic-gate return (dst); 65947c478bd9Sstevel@tonic-gate } 65957c478bd9Sstevel@tonic-gate 65967c478bd9Sstevel@tonic-gate /* 65977c478bd9Sstevel@tonic-gate * For a given physical device pathname and spectype, return the 65987c478bd9Sstevel@tonic-gate * ownership and permissions attributes by looking in data from 65997c478bd9Sstevel@tonic-gate * /etc/minor_perm. If currently in installation mode, check for 66007c478bd9Sstevel@tonic-gate * possible major number translations from the miniroot to the installed 66017c478bd9Sstevel@tonic-gate * root's name_to_major table. Note that there can be multiple matches, 66027c478bd9Sstevel@tonic-gate * but the last match takes effect. pts seems to rely on this 66037c478bd9Sstevel@tonic-gate * implementation behavior. 66047c478bd9Sstevel@tonic-gate */ 66057c478bd9Sstevel@tonic-gate static void 66067c478bd9Sstevel@tonic-gate getattr(char *phy_path, char *aminor, int spectype, dev_t dev, mode_t *mode, 66077c478bd9Sstevel@tonic-gate uid_t *uid, gid_t *gid) 66087c478bd9Sstevel@tonic-gate { 66097c478bd9Sstevel@tonic-gate char devname[PATH_MAX + 1]; 66107c478bd9Sstevel@tonic-gate char *node_name; 66117c478bd9Sstevel@tonic-gate char *minor_name; 66127c478bd9Sstevel@tonic-gate int match = FALSE; 66137c478bd9Sstevel@tonic-gate int is_clone; 66147c478bd9Sstevel@tonic-gate int mp_drvname_matches_node_name; 66157c478bd9Sstevel@tonic-gate int mp_drvname_matches_minor_name; 66167c478bd9Sstevel@tonic-gate int mp_drvname_is_clone; 66177c478bd9Sstevel@tonic-gate int mp_drvname_matches_drvname; 66187c478bd9Sstevel@tonic-gate struct mperm *mp; 66197c478bd9Sstevel@tonic-gate major_t major_no; 66207c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 66217c478bd9Sstevel@tonic-gate 66227c478bd9Sstevel@tonic-gate /* 66237c478bd9Sstevel@tonic-gate * Get the driver name based on the major number since the name 66247c478bd9Sstevel@tonic-gate * in /devices may be generic. Could be running with more major 66257c478bd9Sstevel@tonic-gate * numbers than are in /etc/name_to_major, so get it from the kernel 66267c478bd9Sstevel@tonic-gate */ 66277c478bd9Sstevel@tonic-gate major_no = major(dev); 66287c478bd9Sstevel@tonic-gate 66297c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, driver, sizeof (driver), &major_no) != 0) { 66307c478bd9Sstevel@tonic-gate /* return default values */ 66317c478bd9Sstevel@tonic-gate goto use_defaults; 66327c478bd9Sstevel@tonic-gate } 66337c478bd9Sstevel@tonic-gate 66347c478bd9Sstevel@tonic-gate (void) strcpy(devname, phy_path); 66357c478bd9Sstevel@tonic-gate 66367c478bd9Sstevel@tonic-gate node_name = strrchr(devname, '/'); /* node name is the last */ 66377c478bd9Sstevel@tonic-gate /* component */ 66387c478bd9Sstevel@tonic-gate if (node_name == NULL) { 66397c478bd9Sstevel@tonic-gate err_print(NO_NODE, devname); 66407c478bd9Sstevel@tonic-gate goto use_defaults; 66417c478bd9Sstevel@tonic-gate } 66427c478bd9Sstevel@tonic-gate 66437c478bd9Sstevel@tonic-gate minor_name = strchr(++node_name, '@'); /* see if it has address part */ 66447c478bd9Sstevel@tonic-gate 66457c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 66467c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 66477c478bd9Sstevel@tonic-gate } else { 66487c478bd9Sstevel@tonic-gate minor_name = node_name; 66497c478bd9Sstevel@tonic-gate } 66507c478bd9Sstevel@tonic-gate 66517c478bd9Sstevel@tonic-gate minor_name = strchr(minor_name, ':'); /* look for minor name */ 66527c478bd9Sstevel@tonic-gate 66537c478bd9Sstevel@tonic-gate if (minor_name == NULL) { 66547c478bd9Sstevel@tonic-gate err_print(NO_MINOR, devname); 66557c478bd9Sstevel@tonic-gate goto use_defaults; 66567c478bd9Sstevel@tonic-gate } 66577c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 66587c478bd9Sstevel@tonic-gate 66597c478bd9Sstevel@tonic-gate /* 66607c478bd9Sstevel@tonic-gate * mp->mp_drvname = device name from minor_perm 66617c478bd9Sstevel@tonic-gate * mp->mp_minorname = minor part of device name from 66627c478bd9Sstevel@tonic-gate * minor_perm 66637c478bd9Sstevel@tonic-gate * drvname = name of driver for this device 66647c478bd9Sstevel@tonic-gate */ 66657c478bd9Sstevel@tonic-gate 66667c478bd9Sstevel@tonic-gate is_clone = (strcmp(node_name, "clone") == 0 ? TRUE : FALSE); 66677c478bd9Sstevel@tonic-gate for (mp = minor_perms; mp != NULL; mp = mp->mp_next) { 66687c478bd9Sstevel@tonic-gate mp_drvname_matches_node_name = 66697c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, node_name) == 0 ? TRUE : FALSE); 66707c478bd9Sstevel@tonic-gate mp_drvname_matches_minor_name = 66717c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, minor_name) == 0 ? TRUE:FALSE); 66727c478bd9Sstevel@tonic-gate mp_drvname_is_clone = 66737c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, "clone") == 0 ? TRUE : FALSE); 66747c478bd9Sstevel@tonic-gate mp_drvname_matches_drvname = 66757c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, driver) == 0 ? TRUE : FALSE); 66767c478bd9Sstevel@tonic-gate 66777c478bd9Sstevel@tonic-gate /* 66787c478bd9Sstevel@tonic-gate * If one of the following cases is true, then we try to change 66797c478bd9Sstevel@tonic-gate * the permissions if a "shell global pattern match" of 66807c478bd9Sstevel@tonic-gate * mp_>mp_minorname matches minor_name. 66817c478bd9Sstevel@tonic-gate * 66827c478bd9Sstevel@tonic-gate * 1. mp->mp_drvname matches driver. 66837c478bd9Sstevel@tonic-gate * 66847c478bd9Sstevel@tonic-gate * OR 66857c478bd9Sstevel@tonic-gate * 66867c478bd9Sstevel@tonic-gate * 2. mp->mp_drvname matches node_name and this 66877c478bd9Sstevel@tonic-gate * name is an alias of the driver name 66887c478bd9Sstevel@tonic-gate * 66897c478bd9Sstevel@tonic-gate * OR 66907c478bd9Sstevel@tonic-gate * 66917c478bd9Sstevel@tonic-gate * 3. /devices entry is the clone device and either 66927c478bd9Sstevel@tonic-gate * minor_perm entry is the clone device or matches 66937c478bd9Sstevel@tonic-gate * the minor part of the clone device. 66947c478bd9Sstevel@tonic-gate */ 66957c478bd9Sstevel@tonic-gate 66967c478bd9Sstevel@tonic-gate if ((mp_drvname_matches_drvname == TRUE)|| 66977c478bd9Sstevel@tonic-gate ((mp_drvname_matches_node_name == TRUE) && 66987c478bd9Sstevel@tonic-gate (alias(driver, node_name) == TRUE)) || 66997c478bd9Sstevel@tonic-gate ((is_clone == TRUE) && 67007c478bd9Sstevel@tonic-gate ((mp_drvname_is_clone == TRUE) || 67017c478bd9Sstevel@tonic-gate (mp_drvname_matches_minor_name == TRUE)))) { 67027c478bd9Sstevel@tonic-gate /* 67037c478bd9Sstevel@tonic-gate * Check that the minor part of the 67047c478bd9Sstevel@tonic-gate * device name from the minor_perm 67057c478bd9Sstevel@tonic-gate * entry matches and if so, set the 67067c478bd9Sstevel@tonic-gate * permissions. 67077c478bd9Sstevel@tonic-gate * 67087c478bd9Sstevel@tonic-gate * Under real devfs, clone minor name is changed 67097c478bd9Sstevel@tonic-gate * to match the driver name, but minor_perm may 67107c478bd9Sstevel@tonic-gate * not match. We reconcile it here. 67117c478bd9Sstevel@tonic-gate */ 67127c478bd9Sstevel@tonic-gate if (aminor != NULL) 67137c478bd9Sstevel@tonic-gate minor_name = aminor; 67147c478bd9Sstevel@tonic-gate 67157c478bd9Sstevel@tonic-gate if (gmatch(minor_name, mp->mp_minorname) != 0) { 67167c478bd9Sstevel@tonic-gate *uid = mp->mp_uid; 67177c478bd9Sstevel@tonic-gate *gid = mp->mp_gid; 67187c478bd9Sstevel@tonic-gate *mode = spectype | mp->mp_mode; 67197c478bd9Sstevel@tonic-gate match = TRUE; 67207c478bd9Sstevel@tonic-gate } 67217c478bd9Sstevel@tonic-gate } 67227c478bd9Sstevel@tonic-gate } 67237c478bd9Sstevel@tonic-gate 67247c478bd9Sstevel@tonic-gate if (match == TRUE) { 67257c478bd9Sstevel@tonic-gate return; 67267c478bd9Sstevel@tonic-gate } 67277c478bd9Sstevel@tonic-gate 67287c478bd9Sstevel@tonic-gate use_defaults: 67297c478bd9Sstevel@tonic-gate /* not found in minor_perm, so just use default values */ 67307c478bd9Sstevel@tonic-gate *uid = root_uid; 67317c478bd9Sstevel@tonic-gate *gid = sys_gid; 67327c478bd9Sstevel@tonic-gate *mode = (spectype | 0600); 67337c478bd9Sstevel@tonic-gate } 67347c478bd9Sstevel@tonic-gate 67357c478bd9Sstevel@tonic-gate /* 67367c478bd9Sstevel@tonic-gate * Called by devfs_read_minor_perm() to report errors 67377c478bd9Sstevel@tonic-gate * key is: 67387c478bd9Sstevel@tonic-gate * line number: ignoring line number error 67397c478bd9Sstevel@tonic-gate * errno: open/close errors 67407c478bd9Sstevel@tonic-gate * size: alloc errors 67417c478bd9Sstevel@tonic-gate */ 67427c478bd9Sstevel@tonic-gate static void 67437c478bd9Sstevel@tonic-gate minorperm_err_cb(minorperm_err_t mp_err, int key) 67447c478bd9Sstevel@tonic-gate { 67457c478bd9Sstevel@tonic-gate switch (mp_err) { 67467c478bd9Sstevel@tonic-gate case MP_FOPEN_ERR: 67477c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, MINOR_PERM_FILE, strerror(key)); 67487c478bd9Sstevel@tonic-gate break; 67497c478bd9Sstevel@tonic-gate case MP_FCLOSE_ERR: 67507c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, MINOR_PERM_FILE, strerror(key)); 67517c478bd9Sstevel@tonic-gate break; 67527c478bd9Sstevel@tonic-gate case MP_IGNORING_LINE_ERR: 67537c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, key, MINOR_PERM_FILE); 67547c478bd9Sstevel@tonic-gate break; 67557c478bd9Sstevel@tonic-gate case MP_ALLOC_ERR: 67567c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, key); 67577c478bd9Sstevel@tonic-gate break; 67587c478bd9Sstevel@tonic-gate case MP_NVLIST_ERR: 67597c478bd9Sstevel@tonic-gate err_print(NVLIST_ERROR, MINOR_PERM_FILE, strerror(key)); 67607c478bd9Sstevel@tonic-gate break; 67617c478bd9Sstevel@tonic-gate case MP_CANT_FIND_USER_ERR: 67627c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 67637c478bd9Sstevel@tonic-gate break; 67647c478bd9Sstevel@tonic-gate case MP_CANT_FIND_GROUP_ERR: 67657c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 67667c478bd9Sstevel@tonic-gate break; 67677c478bd9Sstevel@tonic-gate } 67687c478bd9Sstevel@tonic-gate } 67697c478bd9Sstevel@tonic-gate 67707c478bd9Sstevel@tonic-gate static void 67717c478bd9Sstevel@tonic-gate read_minor_perm_file(void) 67727c478bd9Sstevel@tonic-gate { 67737c478bd9Sstevel@tonic-gate static int cached = FALSE; 67747c478bd9Sstevel@tonic-gate static struct stat cached_sb; 67757c478bd9Sstevel@tonic-gate struct stat current_sb; 67767c478bd9Sstevel@tonic-gate 67777c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, ¤t_sb); 67787c478bd9Sstevel@tonic-gate 67797c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 67807c478bd9Sstevel@tonic-gate if (cached == TRUE) { 67817c478bd9Sstevel@tonic-gate 67827c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 67837c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", MINOR_PERM_FILE); 67847c478bd9Sstevel@tonic-gate return; 67857c478bd9Sstevel@tonic-gate } 67867c478bd9Sstevel@tonic-gate devfs_free_minor_perm(minor_perms); 67877c478bd9Sstevel@tonic-gate minor_perms = NULL; 67887c478bd9Sstevel@tonic-gate } else { 67897c478bd9Sstevel@tonic-gate cached = TRUE; 67907c478bd9Sstevel@tonic-gate } 67917c478bd9Sstevel@tonic-gate 67927c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, &cached_sb); 67937c478bd9Sstevel@tonic-gate 67947c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", MINOR_PERM_FILE); 67957c478bd9Sstevel@tonic-gate 67967c478bd9Sstevel@tonic-gate minor_perms = devfs_read_minor_perm(minorperm_err_cb); 67977c478bd9Sstevel@tonic-gate } 67987c478bd9Sstevel@tonic-gate 67997c478bd9Sstevel@tonic-gate static void 68007c478bd9Sstevel@tonic-gate load_minor_perm_file(void) 68017c478bd9Sstevel@tonic-gate { 68027c478bd9Sstevel@tonic-gate read_minor_perm_file(); 68037c478bd9Sstevel@tonic-gate if (devfs_load_minor_perm(minor_perms, minorperm_err_cb) != 0) 68047c478bd9Sstevel@tonic-gate err_print(gettext("minor_perm load failed\n")); 68057c478bd9Sstevel@tonic-gate } 68067c478bd9Sstevel@tonic-gate 68077c478bd9Sstevel@tonic-gate static char * 68087c478bd9Sstevel@tonic-gate convert_to_re(char *dev) 68097c478bd9Sstevel@tonic-gate { 68107c478bd9Sstevel@tonic-gate char *p, *l, *out; 68117c478bd9Sstevel@tonic-gate int i; 68127c478bd9Sstevel@tonic-gate 68137c478bd9Sstevel@tonic-gate out = s_malloc(PATH_MAX); 68147c478bd9Sstevel@tonic-gate 68157c478bd9Sstevel@tonic-gate for (l = p = dev, i = 0; (*p != '\0') && (i < (PATH_MAX - 1)); 68167c478bd9Sstevel@tonic-gate ++p, i++) { 68177c478bd9Sstevel@tonic-gate if ((*p == '*') && ((l != p) && (*l == '/'))) { 68187c478bd9Sstevel@tonic-gate out[i++] = '.'; 68197c478bd9Sstevel@tonic-gate out[i] = '+'; 68207c478bd9Sstevel@tonic-gate } else { 68217c478bd9Sstevel@tonic-gate out[i] = *p; 68227c478bd9Sstevel@tonic-gate } 68237c478bd9Sstevel@tonic-gate l = p; 68247c478bd9Sstevel@tonic-gate } 68257c478bd9Sstevel@tonic-gate out[i] = '\0'; 68267c478bd9Sstevel@tonic-gate p = (char *)s_malloc(strlen(out) + 1); 68277c478bd9Sstevel@tonic-gate (void) strlcpy(p, out, strlen(out) + 1); 68287c478bd9Sstevel@tonic-gate free(out); 68297c478bd9Sstevel@tonic-gate 68307c478bd9Sstevel@tonic-gate vprint(FILES_MID, "converted %s -> %s\n", dev, p); 68317c478bd9Sstevel@tonic-gate 68327c478bd9Sstevel@tonic-gate return (p); 68337c478bd9Sstevel@tonic-gate } 68347c478bd9Sstevel@tonic-gate 68357c478bd9Sstevel@tonic-gate static void 68367c478bd9Sstevel@tonic-gate read_logindevperm_file(void) 68377c478bd9Sstevel@tonic-gate { 68387c478bd9Sstevel@tonic-gate static int cached = FALSE; 68397c478bd9Sstevel@tonic-gate static struct stat cached_sb; 68407c478bd9Sstevel@tonic-gate struct stat current_sb; 68417c478bd9Sstevel@tonic-gate struct login_dev *ldev; 68427c478bd9Sstevel@tonic-gate FILE *fp; 68437c478bd9Sstevel@tonic-gate char line[MAX_LDEV_LINE]; 68447c478bd9Sstevel@tonic-gate int ln, perm, rv; 68457c478bd9Sstevel@tonic-gate char *cp, *console, *devlist, *dev; 68467c478bd9Sstevel@tonic-gate char *lasts, *devlasts, *permstr, *drv; 68477c478bd9Sstevel@tonic-gate struct driver_list *list, *next; 68487c478bd9Sstevel@tonic-gate 68497c478bd9Sstevel@tonic-gate /* Read logindevperm only when enabled */ 68507c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 68517c478bd9Sstevel@tonic-gate return; 68527c478bd9Sstevel@tonic-gate 68537c478bd9Sstevel@tonic-gate if (cached == TRUE) { 68547c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, ¤t_sb) == 0 && 68557c478bd9Sstevel@tonic-gate current_sb.st_mtime == cached_sb.st_mtime) { 68567c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", LDEV_FILE); 68577c478bd9Sstevel@tonic-gate return; 68587c478bd9Sstevel@tonic-gate } 68597c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", LDEV_FILE); 68607c478bd9Sstevel@tonic-gate while (login_dev_cache != NULL) { 68617c478bd9Sstevel@tonic-gate 68627c478bd9Sstevel@tonic-gate ldev = login_dev_cache; 68637c478bd9Sstevel@tonic-gate login_dev_cache = ldev->ldev_next; 68647c478bd9Sstevel@tonic-gate free(ldev->ldev_console); 68657c478bd9Sstevel@tonic-gate free(ldev->ldev_device); 68667c478bd9Sstevel@tonic-gate regfree(&ldev->ldev_device_regex); 68677c478bd9Sstevel@tonic-gate list = ldev->ldev_driver_list; 68687c478bd9Sstevel@tonic-gate while (list) { 68697c478bd9Sstevel@tonic-gate next = list->next; 68707c478bd9Sstevel@tonic-gate free(list); 68717c478bd9Sstevel@tonic-gate list = next; 68727c478bd9Sstevel@tonic-gate } 68737c478bd9Sstevel@tonic-gate free(ldev); 68747c478bd9Sstevel@tonic-gate } 68757c478bd9Sstevel@tonic-gate } else { 68767c478bd9Sstevel@tonic-gate cached = TRUE; 68777c478bd9Sstevel@tonic-gate } 68787c478bd9Sstevel@tonic-gate 68797c478bd9Sstevel@tonic-gate assert(login_dev_cache == NULL); 68807c478bd9Sstevel@tonic-gate 68817c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, &cached_sb) != 0) { 68827c478bd9Sstevel@tonic-gate cached = FALSE; 68837c478bd9Sstevel@tonic-gate return; 68847c478bd9Sstevel@tonic-gate } 68857c478bd9Sstevel@tonic-gate 68867c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading file: %s\n", LDEV_FILE); 68877c478bd9Sstevel@tonic-gate 68887c478bd9Sstevel@tonic-gate if ((fp = fopen(LDEV_FILE, "r")) == NULL) { 68897c478bd9Sstevel@tonic-gate /* Not fatal to devfsadm */ 68907c478bd9Sstevel@tonic-gate cached = FALSE; 68917c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, LDEV_FILE, strerror(errno)); 68927c478bd9Sstevel@tonic-gate return; 68937c478bd9Sstevel@tonic-gate } 68947c478bd9Sstevel@tonic-gate 68957c478bd9Sstevel@tonic-gate ln = 0; 68967c478bd9Sstevel@tonic-gate while (fgets(line, MAX_LDEV_LINE, fp) != NULL) { 68977c478bd9Sstevel@tonic-gate ln++; 68987c478bd9Sstevel@tonic-gate 68997c478bd9Sstevel@tonic-gate /* Remove comments */ 69007c478bd9Sstevel@tonic-gate if ((cp = strchr(line, '#')) != NULL) 69017c478bd9Sstevel@tonic-gate *cp = '\0'; 69027c478bd9Sstevel@tonic-gate 69037c478bd9Sstevel@tonic-gate if ((console = strtok_r(line, LDEV_DELIMS, &lasts)) == NULL) 69047c478bd9Sstevel@tonic-gate continue; /* Blank line */ 69057c478bd9Sstevel@tonic-gate 69067c478bd9Sstevel@tonic-gate if ((permstr = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 69077c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 69087c478bd9Sstevel@tonic-gate continue; /* Malformed line */ 69097c478bd9Sstevel@tonic-gate } 69107c478bd9Sstevel@tonic-gate 69117c478bd9Sstevel@tonic-gate /* 69127c478bd9Sstevel@tonic-gate * permstr is string in octal format. Convert to int 69137c478bd9Sstevel@tonic-gate */ 69147c478bd9Sstevel@tonic-gate cp = NULL; 69157c478bd9Sstevel@tonic-gate errno = 0; 69167c478bd9Sstevel@tonic-gate perm = strtol(permstr, &cp, 8); 69177c478bd9Sstevel@tonic-gate if (errno || perm < 0 || perm > 0777 || *cp != '\0') { 69187c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 69197c478bd9Sstevel@tonic-gate continue; 69207c478bd9Sstevel@tonic-gate } 69217c478bd9Sstevel@tonic-gate 69227c478bd9Sstevel@tonic-gate if ((devlist = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 69237c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 69247c478bd9Sstevel@tonic-gate continue; 69257c478bd9Sstevel@tonic-gate } 69267c478bd9Sstevel@tonic-gate 69277c478bd9Sstevel@tonic-gate dev = strtok_r(devlist, LDEV_DEV_DELIM, &devlasts); 69287c478bd9Sstevel@tonic-gate while (dev) { 69297c478bd9Sstevel@tonic-gate 69307c478bd9Sstevel@tonic-gate ldev = (struct login_dev *)s_zalloc( 69317c478bd9Sstevel@tonic-gate sizeof (struct login_dev)); 69327c478bd9Sstevel@tonic-gate ldev->ldev_console = s_strdup(console); 69337c478bd9Sstevel@tonic-gate ldev->ldev_perms = perm; 69347c478bd9Sstevel@tonic-gate 69357c478bd9Sstevel@tonic-gate /* 69367c478bd9Sstevel@tonic-gate * the logical device name may contain '*' which 69377c478bd9Sstevel@tonic-gate * we convert to a regular expression 69387c478bd9Sstevel@tonic-gate */ 69397c478bd9Sstevel@tonic-gate ldev->ldev_device = convert_to_re(dev); 69407c478bd9Sstevel@tonic-gate if (ldev->ldev_device && 69417c478bd9Sstevel@tonic-gate (rv = regcomp(&ldev->ldev_device_regex, 69427c478bd9Sstevel@tonic-gate ldev->ldev_device, REG_EXTENDED))) { 69437c478bd9Sstevel@tonic-gate bzero(&ldev->ldev_device_regex, 69447c478bd9Sstevel@tonic-gate sizeof (ldev->ldev_device_regex)); 69457c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 69467c478bd9Sstevel@tonic-gate ldev->ldev_device, rv); 69477c478bd9Sstevel@tonic-gate } 69487c478bd9Sstevel@tonic-gate ldev->ldev_next = login_dev_cache; 69497c478bd9Sstevel@tonic-gate login_dev_cache = ldev; 69507c478bd9Sstevel@tonic-gate dev = strtok_r(NULL, LDEV_DEV_DELIM, &devlasts); 69517c478bd9Sstevel@tonic-gate } 69527c478bd9Sstevel@tonic-gate 69537c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRVLIST_DELIMS, &lasts); 69547c478bd9Sstevel@tonic-gate if (drv) { 69557c478bd9Sstevel@tonic-gate if (strcmp(drv, LDEV_DRVLIST_NAME) == 0) { 69567c478bd9Sstevel@tonic-gate 69577c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRV_DELIMS, 69587c478bd9Sstevel@tonic-gate &lasts); 69597c478bd9Sstevel@tonic-gate 69607c478bd9Sstevel@tonic-gate while (drv) { 69617c478bd9Sstevel@tonic-gate vprint(FILES_MID, 69627c478bd9Sstevel@tonic-gate "logindevperm driver=%s\n", 69637c478bd9Sstevel@tonic-gate drv); 69647c478bd9Sstevel@tonic-gate 69657c478bd9Sstevel@tonic-gate /* 69667c478bd9Sstevel@tonic-gate * create a linked list of driver 69677c478bd9Sstevel@tonic-gate * names 69687c478bd9Sstevel@tonic-gate */ 69697c478bd9Sstevel@tonic-gate list = (struct driver_list *) 69707c478bd9Sstevel@tonic-gate s_zalloc( 69717c478bd9Sstevel@tonic-gate sizeof (struct driver_list)); 69727c478bd9Sstevel@tonic-gate (void) strlcpy(list->driver_name, drv, 69737c478bd9Sstevel@tonic-gate sizeof (list->driver_name)); 69747c478bd9Sstevel@tonic-gate list->next = ldev->ldev_driver_list; 69757c478bd9Sstevel@tonic-gate ldev->ldev_driver_list = list; 69767c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRV_DELIMS, 69777c478bd9Sstevel@tonic-gate &lasts); 69787c478bd9Sstevel@tonic-gate } 69797c478bd9Sstevel@tonic-gate } 69807c478bd9Sstevel@tonic-gate } 69817c478bd9Sstevel@tonic-gate } 69827c478bd9Sstevel@tonic-gate (void) fclose(fp); 69837c478bd9Sstevel@tonic-gate } 69847c478bd9Sstevel@tonic-gate 69857c478bd9Sstevel@tonic-gate /* 69867c478bd9Sstevel@tonic-gate * Tokens are separated by ' ', '\t', ':', '=', '&', '|', ';', '\n', or '\0' 69877c478bd9Sstevel@tonic-gate * 69887c478bd9Sstevel@tonic-gate * Returns DEVFSADM_SUCCESS if token found, DEVFSADM_FAILURE otherwise. 69897c478bd9Sstevel@tonic-gate */ 69907c478bd9Sstevel@tonic-gate static int 69917c478bd9Sstevel@tonic-gate getnexttoken(char *next, char **nextp, char **tokenpp, char *tchar) 69927c478bd9Sstevel@tonic-gate { 69937c478bd9Sstevel@tonic-gate char *cp; 69947c478bd9Sstevel@tonic-gate char *cp1; 69957c478bd9Sstevel@tonic-gate char *tokenp; 69967c478bd9Sstevel@tonic-gate 69977c478bd9Sstevel@tonic-gate cp = next; 69987c478bd9Sstevel@tonic-gate while (*cp == ' ' || *cp == '\t') { 69997c478bd9Sstevel@tonic-gate cp++; /* skip leading spaces */ 70007c478bd9Sstevel@tonic-gate } 70017c478bd9Sstevel@tonic-gate tokenp = cp; /* start of token */ 70027c478bd9Sstevel@tonic-gate while (*cp != '\0' && *cp != '\n' && *cp != ' ' && *cp != '\t' && 70037c478bd9Sstevel@tonic-gate *cp != ':' && *cp != '=' && *cp != '&' && 70047c478bd9Sstevel@tonic-gate *cp != '|' && *cp != ';') { 70057c478bd9Sstevel@tonic-gate cp++; /* point to next character */ 70067c478bd9Sstevel@tonic-gate } 70077c478bd9Sstevel@tonic-gate /* 70087c478bd9Sstevel@tonic-gate * If terminating character is a space or tab, look ahead to see if 70097c478bd9Sstevel@tonic-gate * there's another terminator that's not a space or a tab. 70107c478bd9Sstevel@tonic-gate * (This code handles trailing spaces.) 70117c478bd9Sstevel@tonic-gate */ 70127c478bd9Sstevel@tonic-gate if (*cp == ' ' || *cp == '\t') { 70137c478bd9Sstevel@tonic-gate cp1 = cp; 70147c478bd9Sstevel@tonic-gate while (*++cp1 == ' ' || *cp1 == '\t') 70157c478bd9Sstevel@tonic-gate ; 70167c478bd9Sstevel@tonic-gate if (*cp1 == '=' || *cp1 == ':' || *cp1 == '&' || *cp1 == '|' || 70177c478bd9Sstevel@tonic-gate *cp1 == ';' || *cp1 == '\n' || *cp1 == '\0') { 70187c478bd9Sstevel@tonic-gate *cp = NULL; /* terminate token */ 70197c478bd9Sstevel@tonic-gate cp = cp1; 70207c478bd9Sstevel@tonic-gate } 70217c478bd9Sstevel@tonic-gate } 70227c478bd9Sstevel@tonic-gate if (tchar != NULL) { 70237c478bd9Sstevel@tonic-gate *tchar = *cp; /* save terminating character */ 70247c478bd9Sstevel@tonic-gate if (*tchar == '\0') { 70257c478bd9Sstevel@tonic-gate *tchar = '\n'; 70267c478bd9Sstevel@tonic-gate } 70277c478bd9Sstevel@tonic-gate } 70287c478bd9Sstevel@tonic-gate *cp++ = '\0'; /* terminate token, point to next */ 70297c478bd9Sstevel@tonic-gate *nextp = cp; /* set pointer to next character */ 70307c478bd9Sstevel@tonic-gate if (cp - tokenp - 1 == 0) { 70317c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 70327c478bd9Sstevel@tonic-gate } 70337c478bd9Sstevel@tonic-gate *tokenpp = tokenp; 70347c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 70357c478bd9Sstevel@tonic-gate } 70367c478bd9Sstevel@tonic-gate 70377c478bd9Sstevel@tonic-gate /* 70387c478bd9Sstevel@tonic-gate * read or reread the driver aliases file 70397c478bd9Sstevel@tonic-gate */ 70407c478bd9Sstevel@tonic-gate static void 70417c478bd9Sstevel@tonic-gate read_driver_aliases_file(void) 70427c478bd9Sstevel@tonic-gate { 70437c478bd9Sstevel@tonic-gate 70447c478bd9Sstevel@tonic-gate driver_alias_t *save; 70457c478bd9Sstevel@tonic-gate driver_alias_t *lst_tail; 70467c478bd9Sstevel@tonic-gate driver_alias_t *ap; 70477c478bd9Sstevel@tonic-gate static int cached = FALSE; 70487c478bd9Sstevel@tonic-gate FILE *afd; 70497c478bd9Sstevel@tonic-gate char line[256]; 70507c478bd9Sstevel@tonic-gate char *cp; 70517c478bd9Sstevel@tonic-gate char *p; 70527c478bd9Sstevel@tonic-gate char t; 70537c478bd9Sstevel@tonic-gate int ln = 0; 70547c478bd9Sstevel@tonic-gate static struct stat cached_sb; 70557c478bd9Sstevel@tonic-gate struct stat current_sb; 70567c478bd9Sstevel@tonic-gate 70577c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, ¤t_sb); 70587c478bd9Sstevel@tonic-gate 70597c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 70607c478bd9Sstevel@tonic-gate if (cached == TRUE) { 70617c478bd9Sstevel@tonic-gate 70627c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 70637c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", ALIASFILE); 70647c478bd9Sstevel@tonic-gate return; 70657c478bd9Sstevel@tonic-gate } 70667c478bd9Sstevel@tonic-gate 70677c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", ALIASFILE); 70687c478bd9Sstevel@tonic-gate while (driver_aliases != NULL) { 70697c478bd9Sstevel@tonic-gate free(driver_aliases->alias_name); 70707c478bd9Sstevel@tonic-gate free(driver_aliases->driver_name); 70717c478bd9Sstevel@tonic-gate save = driver_aliases; 70727c478bd9Sstevel@tonic-gate driver_aliases = driver_aliases->next; 70737c478bd9Sstevel@tonic-gate free(save); 70747c478bd9Sstevel@tonic-gate } 70757c478bd9Sstevel@tonic-gate } else { 70767c478bd9Sstevel@tonic-gate cached = TRUE; 70777c478bd9Sstevel@tonic-gate } 70787c478bd9Sstevel@tonic-gate 70797c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, &cached_sb); 70807c478bd9Sstevel@tonic-gate 70817c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", ALIASFILE); 70827c478bd9Sstevel@tonic-gate 70837c478bd9Sstevel@tonic-gate if ((afd = fopen(ALIASFILE, "r")) == NULL) { 70847c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, ALIASFILE, strerror(errno)); 70857c478bd9Sstevel@tonic-gate devfsadm_exit(1); 70867c478bd9Sstevel@tonic-gate } 70877c478bd9Sstevel@tonic-gate 70887c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line) - 1, afd) != NULL) { 70897c478bd9Sstevel@tonic-gate ln++; 70907c478bd9Sstevel@tonic-gate cp = line; 70917c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 70927c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, ALIASFILE); 70937c478bd9Sstevel@tonic-gate continue; 70947c478bd9Sstevel@tonic-gate } 70957c478bd9Sstevel@tonic-gate if (t == '\n' || t == '\0') { 70967c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 70977c478bd9Sstevel@tonic-gate continue; 70987c478bd9Sstevel@tonic-gate } 70997c478bd9Sstevel@tonic-gate ap = (struct driver_alias *) 71007c478bd9Sstevel@tonic-gate s_zalloc(sizeof (struct driver_alias)); 71017c478bd9Sstevel@tonic-gate ap->driver_name = s_strdup(p); 71027c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 71037c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 71047c478bd9Sstevel@tonic-gate free(ap->driver_name); 71057c478bd9Sstevel@tonic-gate free(ap); 71067c478bd9Sstevel@tonic-gate continue; 71077c478bd9Sstevel@tonic-gate } 71087c478bd9Sstevel@tonic-gate if (*p == '"') { 71097c478bd9Sstevel@tonic-gate if (p[strlen(p) - 1] == '"') { 71107c478bd9Sstevel@tonic-gate p[strlen(p) - 1] = '\0'; 71117c478bd9Sstevel@tonic-gate p++; 71127c478bd9Sstevel@tonic-gate } 71137c478bd9Sstevel@tonic-gate } 71147c478bd9Sstevel@tonic-gate ap->alias_name = s_strdup(p); 71157c478bd9Sstevel@tonic-gate if (driver_aliases == NULL) { 71167c478bd9Sstevel@tonic-gate driver_aliases = ap; 71177c478bd9Sstevel@tonic-gate lst_tail = ap; 71187c478bd9Sstevel@tonic-gate } else { 71197c478bd9Sstevel@tonic-gate lst_tail->next = ap; 71207c478bd9Sstevel@tonic-gate lst_tail = ap; 71217c478bd9Sstevel@tonic-gate } 71227c478bd9Sstevel@tonic-gate } 71237c478bd9Sstevel@tonic-gate if (fclose(afd) == EOF) { 71247c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, ALIASFILE, strerror(errno)); 71257c478bd9Sstevel@tonic-gate } 71267c478bd9Sstevel@tonic-gate } 71277c478bd9Sstevel@tonic-gate 71287c478bd9Sstevel@tonic-gate /* 71297c478bd9Sstevel@tonic-gate * return TRUE if alias_name is an alias for driver_name, otherwise 71307c478bd9Sstevel@tonic-gate * return FALSE. 71317c478bd9Sstevel@tonic-gate */ 71327c478bd9Sstevel@tonic-gate static int 71337c478bd9Sstevel@tonic-gate alias(char *driver_name, char *alias_name) 71347c478bd9Sstevel@tonic-gate { 71357c478bd9Sstevel@tonic-gate driver_alias_t *alias; 71367c478bd9Sstevel@tonic-gate 71377c478bd9Sstevel@tonic-gate /* 71387c478bd9Sstevel@tonic-gate * check for a match 71397c478bd9Sstevel@tonic-gate */ 71407c478bd9Sstevel@tonic-gate for (alias = driver_aliases; alias != NULL; alias = alias->next) { 71417c478bd9Sstevel@tonic-gate if ((strcmp(alias->driver_name, driver_name) == 0) && 71427c478bd9Sstevel@tonic-gate (strcmp(alias->alias_name, alias_name) == 0)) { 71437c478bd9Sstevel@tonic-gate return (TRUE); 71447c478bd9Sstevel@tonic-gate } 71457c478bd9Sstevel@tonic-gate } 71467c478bd9Sstevel@tonic-gate return (FALSE); 71477c478bd9Sstevel@tonic-gate } 71487c478bd9Sstevel@tonic-gate 71497c478bd9Sstevel@tonic-gate /* 71507c478bd9Sstevel@tonic-gate * convenience functions 71517c478bd9Sstevel@tonic-gate */ 7152*facf4a8dSllai static int 7153*facf4a8dSllai s_stat(const char *path, struct stat *sbufp) 7154*facf4a8dSllai { 7155*facf4a8dSllai int rv; 7156*facf4a8dSllai retry: 7157*facf4a8dSllai if ((rv = stat(path, sbufp)) == -1) { 7158*facf4a8dSllai if (errno == EINTR) 7159*facf4a8dSllai goto retry; 7160*facf4a8dSllai } 7161*facf4a8dSllai return (rv); 7162*facf4a8dSllai } 7163*facf4a8dSllai 71647c478bd9Sstevel@tonic-gate static void * 71657c478bd9Sstevel@tonic-gate s_malloc(const size_t size) 71667c478bd9Sstevel@tonic-gate { 71677c478bd9Sstevel@tonic-gate void *rp; 71687c478bd9Sstevel@tonic-gate 71697c478bd9Sstevel@tonic-gate rp = malloc(size); 71707c478bd9Sstevel@tonic-gate if (rp == NULL) { 71717c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, size); 71727c478bd9Sstevel@tonic-gate devfsadm_exit(1); 71737c478bd9Sstevel@tonic-gate } 71747c478bd9Sstevel@tonic-gate return (rp); 71757c478bd9Sstevel@tonic-gate } 71767c478bd9Sstevel@tonic-gate 71777c478bd9Sstevel@tonic-gate /* 71787c478bd9Sstevel@tonic-gate * convenience functions 71797c478bd9Sstevel@tonic-gate */ 71807c478bd9Sstevel@tonic-gate static void * 71817c478bd9Sstevel@tonic-gate s_realloc(void *ptr, const size_t size) 71827c478bd9Sstevel@tonic-gate { 71837c478bd9Sstevel@tonic-gate ptr = realloc(ptr, size); 71847c478bd9Sstevel@tonic-gate if (ptr == NULL) { 71857c478bd9Sstevel@tonic-gate err_print(REALLOC_FAILED, size); 71867c478bd9Sstevel@tonic-gate devfsadm_exit(1); 71877c478bd9Sstevel@tonic-gate } 71887c478bd9Sstevel@tonic-gate return (ptr); 71897c478bd9Sstevel@tonic-gate } 71907c478bd9Sstevel@tonic-gate 71917c478bd9Sstevel@tonic-gate static void * 71927c478bd9Sstevel@tonic-gate s_zalloc(const size_t size) 71937c478bd9Sstevel@tonic-gate { 71947c478bd9Sstevel@tonic-gate void *rp; 71957c478bd9Sstevel@tonic-gate 71967c478bd9Sstevel@tonic-gate rp = calloc(1, size); 71977c478bd9Sstevel@tonic-gate if (rp == NULL) { 71987c478bd9Sstevel@tonic-gate err_print(CALLOC_FAILED, size); 71997c478bd9Sstevel@tonic-gate devfsadm_exit(1); 72007c478bd9Sstevel@tonic-gate } 72017c478bd9Sstevel@tonic-gate return (rp); 72027c478bd9Sstevel@tonic-gate } 72037c478bd9Sstevel@tonic-gate 72047c478bd9Sstevel@tonic-gate char * 72057c478bd9Sstevel@tonic-gate s_strdup(const char *ptr) 72067c478bd9Sstevel@tonic-gate { 72077c478bd9Sstevel@tonic-gate void *rp; 72087c478bd9Sstevel@tonic-gate 72097c478bd9Sstevel@tonic-gate rp = strdup(ptr); 72107c478bd9Sstevel@tonic-gate if (rp == NULL) { 72117c478bd9Sstevel@tonic-gate err_print(STRDUP_FAILED, ptr); 72127c478bd9Sstevel@tonic-gate devfsadm_exit(1); 72137c478bd9Sstevel@tonic-gate } 72147c478bd9Sstevel@tonic-gate return (rp); 72157c478bd9Sstevel@tonic-gate } 72167c478bd9Sstevel@tonic-gate 72177c478bd9Sstevel@tonic-gate static void 72187c478bd9Sstevel@tonic-gate s_closedir(DIR *dirp) 72197c478bd9Sstevel@tonic-gate { 72207c478bd9Sstevel@tonic-gate retry: 72217c478bd9Sstevel@tonic-gate if (closedir(dirp) != 0) { 72227c478bd9Sstevel@tonic-gate if (errno == EINTR) 72237c478bd9Sstevel@tonic-gate goto retry; 72247c478bd9Sstevel@tonic-gate err_print(CLOSEDIR_FAILED, strerror(errno)); 72257c478bd9Sstevel@tonic-gate } 72267c478bd9Sstevel@tonic-gate } 72277c478bd9Sstevel@tonic-gate 72287c478bd9Sstevel@tonic-gate static void 72297c478bd9Sstevel@tonic-gate s_mkdirp(const char *path, const mode_t mode) 72307c478bd9Sstevel@tonic-gate { 72317c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "mkdirp(%s, 0x%lx)\n", path, mode); 72327c478bd9Sstevel@tonic-gate if (mkdirp(path, mode) == -1) { 72337c478bd9Sstevel@tonic-gate if (errno != EEXIST) { 72347c478bd9Sstevel@tonic-gate err_print(MKDIR_FAILED, path, mode, strerror(errno)); 72357c478bd9Sstevel@tonic-gate } 72367c478bd9Sstevel@tonic-gate } 72377c478bd9Sstevel@tonic-gate } 72387c478bd9Sstevel@tonic-gate 72397c478bd9Sstevel@tonic-gate static void 72407c478bd9Sstevel@tonic-gate s_unlink(const char *file) 72417c478bd9Sstevel@tonic-gate { 72427c478bd9Sstevel@tonic-gate retry: 72437c478bd9Sstevel@tonic-gate if (unlink(file) == -1) { 72447c478bd9Sstevel@tonic-gate if (errno == EINTR || errno == EAGAIN) 72457c478bd9Sstevel@tonic-gate goto retry; 72467c478bd9Sstevel@tonic-gate if (errno != ENOENT) { 72477c478bd9Sstevel@tonic-gate err_print(UNLINK_FAILED, file, strerror(errno)); 72487c478bd9Sstevel@tonic-gate } 72497c478bd9Sstevel@tonic-gate } 72507c478bd9Sstevel@tonic-gate } 72517c478bd9Sstevel@tonic-gate 72527c478bd9Sstevel@tonic-gate static void 72537c478bd9Sstevel@tonic-gate add_verbose_id(char *mid) 72547c478bd9Sstevel@tonic-gate { 72557c478bd9Sstevel@tonic-gate num_verbose++; 72567c478bd9Sstevel@tonic-gate verbose = s_realloc(verbose, num_verbose * sizeof (char *)); 72577c478bd9Sstevel@tonic-gate verbose[num_verbose - 1] = mid; 72587c478bd9Sstevel@tonic-gate } 72597c478bd9Sstevel@tonic-gate 72607c478bd9Sstevel@tonic-gate /* 72617c478bd9Sstevel@tonic-gate * returns DEVFSADM_TRUE if contents is a minor node in /devices. 72627c478bd9Sstevel@tonic-gate * If mn_root is not NULL, mn_root is set to: 72637c478bd9Sstevel@tonic-gate * if contents is a /dev node, mn_root = contents 72647c478bd9Sstevel@tonic-gate * OR 72657c478bd9Sstevel@tonic-gate * if contents is a /devices node, mn_root set to the '/' 72667c478bd9Sstevel@tonic-gate * following /devices. 72677c478bd9Sstevel@tonic-gate */ 72687c478bd9Sstevel@tonic-gate static int 72697c478bd9Sstevel@tonic-gate is_minor_node(char *contents, char **mn_root) 72707c478bd9Sstevel@tonic-gate { 72717c478bd9Sstevel@tonic-gate char *ptr; 72727c478bd9Sstevel@tonic-gate char device_prefix[100]; 72737c478bd9Sstevel@tonic-gate 72747c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "../devices/"); 72757c478bd9Sstevel@tonic-gate 72767c478bd9Sstevel@tonic-gate if ((ptr = strstr(contents, device_prefix)) != NULL) { 72777c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 72787c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 72797c478bd9Sstevel@tonic-gate *mn_root = ptr += strlen(device_prefix) - 1; 72807c478bd9Sstevel@tonic-gate } 72817c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 72827c478bd9Sstevel@tonic-gate } 72837c478bd9Sstevel@tonic-gate 72847c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "/devices/"); 72857c478bd9Sstevel@tonic-gate 72867c478bd9Sstevel@tonic-gate if (strncmp(contents, device_prefix, strlen(device_prefix)) == 0) { 72877c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 72887c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 72897c478bd9Sstevel@tonic-gate *mn_root = contents + strlen(device_prefix) - 1; 72907c478bd9Sstevel@tonic-gate } 72917c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 72927c478bd9Sstevel@tonic-gate } 72937c478bd9Sstevel@tonic-gate 72947c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 72957c478bd9Sstevel@tonic-gate *mn_root = contents; 72967c478bd9Sstevel@tonic-gate } 72977c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 72987c478bd9Sstevel@tonic-gate } 72997c478bd9Sstevel@tonic-gate 73007c478bd9Sstevel@tonic-gate /* 73017c478bd9Sstevel@tonic-gate * Lookup nvpair corresponding to the given name and type: 73027c478bd9Sstevel@tonic-gate * 73037c478bd9Sstevel@tonic-gate * The standard nvlist_lookup functions in libnvpair don't work as our 73047c478bd9Sstevel@tonic-gate * nvlist is not allocated with NV_UNIQUE_NAME or NV_UNIQUE_NAME_TYPE. 73057c478bd9Sstevel@tonic-gate */ 73067c478bd9Sstevel@tonic-gate static nvpair_t * 73077c478bd9Sstevel@tonic-gate lookup_nvpair(nvlist_t *nvl, char *name, data_type_t type) 73087c478bd9Sstevel@tonic-gate { 73097c478bd9Sstevel@tonic-gate nvpair_t *nvp; 73107c478bd9Sstevel@tonic-gate 73117c478bd9Sstevel@tonic-gate for (nvp = nvlist_next_nvpair(nvl, NULL); nvp != NULL; 73127c478bd9Sstevel@tonic-gate nvp = nvlist_next_nvpair(nvl, nvp)) { 73137c478bd9Sstevel@tonic-gate if (strcmp(name, nvpair_name(nvp)) == 0 && 73147c478bd9Sstevel@tonic-gate nvpair_type(nvp) == type) 73157c478bd9Sstevel@tonic-gate return (nvp); 73167c478bd9Sstevel@tonic-gate } 73177c478bd9Sstevel@tonic-gate 73187c478bd9Sstevel@tonic-gate return (NULL); 73197c478bd9Sstevel@tonic-gate } 73207c478bd9Sstevel@tonic-gate 73217c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 73227c478bd9Sstevel@tonic-gate static void 73237c478bd9Sstevel@tonic-gate process_rcm_events(void *arg) 73247c478bd9Sstevel@tonic-gate { 73257c478bd9Sstevel@tonic-gate struct rcm_eventq *ev, *ev_next; 7326210db224Sericheng nvpair_t *nvp; 7327210db224Sericheng char *path, *driver; 7328210db224Sericheng int instance; 7329210db224Sericheng int err; 73307c478bd9Sstevel@tonic-gate int need_to_exit; 73317c478bd9Sstevel@tonic-gate 73327c478bd9Sstevel@tonic-gate for (;;) { 73337c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 73347c478bd9Sstevel@tonic-gate while (rcm_eventq_head == NULL && 73357c478bd9Sstevel@tonic-gate need_to_exit_rcm_event_thread == 0) 73367c478bd9Sstevel@tonic-gate (void) cond_wait(&rcm_eventq_cv, &rcm_eventq_lock); 73377c478bd9Sstevel@tonic-gate 73387c478bd9Sstevel@tonic-gate need_to_exit = need_to_exit_rcm_event_thread; 73397c478bd9Sstevel@tonic-gate ev = rcm_eventq_head; 73407c478bd9Sstevel@tonic-gate rcm_eventq_head = rcm_eventq_tail = NULL; 73417c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 73427c478bd9Sstevel@tonic-gate 73437c478bd9Sstevel@tonic-gate for (; ev != NULL; ev = ev_next) { 73447c478bd9Sstevel@tonic-gate /* 73457c478bd9Sstevel@tonic-gate * Private notification interface to RCM: 73467c478bd9Sstevel@tonic-gate * Do not retry the RCM notification on an error since 73477c478bd9Sstevel@tonic-gate * we do not know whether the failure occurred in 73487c478bd9Sstevel@tonic-gate * librcm, rcm_daemon or rcm modules or scripts. 73497c478bd9Sstevel@tonic-gate */ 7350210db224Sericheng if (librcm_notify_event(rcm_hdl, 7351210db224Sericheng RCM_RESOURCE_NETWORK_NEW, 0, ev->nvl, NULL) 7352210db224Sericheng != RCM_SUCCESS) { 7353210db224Sericheng 7354210db224Sericheng err = errno; 7355210db224Sericheng 7356210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7357210db224Sericheng RCM_NV_DEVFS_PATH, DATA_TYPE_STRING)) 7358210db224Sericheng == NULL) || 7359210db224Sericheng (nvpair_value_string(nvp, &path) != 0)) 7360210db224Sericheng path = "unknown"; 7361210db224Sericheng 7362210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7363210db224Sericheng RCM_NV_DRIVER_NAME, DATA_TYPE_STRING)) 7364210db224Sericheng == NULL) || 7365210db224Sericheng (nvpair_value_string(nvp, &driver) != 0)) 7366210db224Sericheng driver = "unknown"; 7367210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7368210db224Sericheng RCM_NV_INSTANCE, DATA_TYPE_INT32)) 7369210db224Sericheng == NULL) || 7370210db224Sericheng (nvpair_value_int32(nvp, &instance) != 0)) 7371210db224Sericheng instance = -1; 7372210db224Sericheng 7373210db224Sericheng err_print(RCM_NOTIFY_FAILED, path, driver, 7374210db224Sericheng instance, strerror(err)); 7375210db224Sericheng } 73767c478bd9Sstevel@tonic-gate 73777c478bd9Sstevel@tonic-gate ev_next = ev->next; 73787c478bd9Sstevel@tonic-gate nvlist_free(ev->nvl); 73797c478bd9Sstevel@tonic-gate free(ev); 73807c478bd9Sstevel@tonic-gate } 73817c478bd9Sstevel@tonic-gate 73827c478bd9Sstevel@tonic-gate if (need_to_exit) 73837c478bd9Sstevel@tonic-gate return; 73847c478bd9Sstevel@tonic-gate } 73857c478bd9Sstevel@tonic-gate } 73867c478bd9Sstevel@tonic-gate 73877c478bd9Sstevel@tonic-gate /* 73887c478bd9Sstevel@tonic-gate * Initialize rcm related handles and function pointers. 73897c478bd9Sstevel@tonic-gate * Since RCM need not present in miniroot, we dlopen librcm. 73907c478bd9Sstevel@tonic-gate */ 73917c478bd9Sstevel@tonic-gate static int 73927c478bd9Sstevel@tonic-gate rcm_init(void) 73937c478bd9Sstevel@tonic-gate { 73947c478bd9Sstevel@tonic-gate #define LIBRCM_PATH "/usr/lib/librcm.so" 73957c478bd9Sstevel@tonic-gate rcm_handle_t *hdl = NULL; 73967c478bd9Sstevel@tonic-gate int err; 73977c478bd9Sstevel@tonic-gate 73987c478bd9Sstevel@tonic-gate if ((librcm_hdl = dlopen(LIBRCM_PATH, RTLD_LAZY)) == NULL) { 73997c478bd9Sstevel@tonic-gate /* 74007c478bd9Sstevel@tonic-gate * don't log an error here, since librcm may not be present 74017c478bd9Sstevel@tonic-gate * in miniroot. 74027c478bd9Sstevel@tonic-gate */ 74037c478bd9Sstevel@tonic-gate return (-1); 74047c478bd9Sstevel@tonic-gate } 74057c478bd9Sstevel@tonic-gate 74067c478bd9Sstevel@tonic-gate librcm_alloc_handle = (int (*)())dlsym(librcm_hdl, "rcm_alloc_handle"); 74077c478bd9Sstevel@tonic-gate librcm_free_handle = (void (*)())dlsym(librcm_hdl, "rcm_free_handle"); 74087c478bd9Sstevel@tonic-gate librcm_notify_event = (int (*)())dlsym(librcm_hdl, "rcm_notify_event"); 74097c478bd9Sstevel@tonic-gate 74107c478bd9Sstevel@tonic-gate if (librcm_alloc_handle == NULL || librcm_notify_event == NULL || 74117c478bd9Sstevel@tonic-gate librcm_free_handle == NULL) { 74127c478bd9Sstevel@tonic-gate err_print(MISSING_SYMBOLS, LIBRCM_PATH); 74137c478bd9Sstevel@tonic-gate goto out; 74147c478bd9Sstevel@tonic-gate } 74157c478bd9Sstevel@tonic-gate 74167c478bd9Sstevel@tonic-gate /* Initialize the rcm handle */ 74177c478bd9Sstevel@tonic-gate if (librcm_alloc_handle(NULL, 0, NULL, &hdl) != RCM_SUCCESS) { 74187c478bd9Sstevel@tonic-gate err_print(RCM_ALLOC_HANDLE_ERROR); 74197c478bd9Sstevel@tonic-gate goto out; 74207c478bd9Sstevel@tonic-gate } 74217c478bd9Sstevel@tonic-gate 74227c478bd9Sstevel@tonic-gate (void) cond_init(&rcm_eventq_cv, USYNC_THREAD, 0); 74237c478bd9Sstevel@tonic-gate (void) mutex_init(&rcm_eventq_lock, USYNC_THREAD, 0); 74247c478bd9Sstevel@tonic-gate 74257c478bd9Sstevel@tonic-gate /* create a thread to notify RCM of events */ 74267c478bd9Sstevel@tonic-gate if ((err = thr_create(NULL, 0, (void *(*)(void *))process_rcm_events, 74277c478bd9Sstevel@tonic-gate NULL, 0, &process_rcm_events_tid)) != 0) { 74287c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "process_rcm_events", 74297c478bd9Sstevel@tonic-gate strerror(err)); 74307c478bd9Sstevel@tonic-gate goto out; 74317c478bd9Sstevel@tonic-gate } 74327c478bd9Sstevel@tonic-gate 74337c478bd9Sstevel@tonic-gate rcm_hdl = hdl; 74347c478bd9Sstevel@tonic-gate return (0); 74357c478bd9Sstevel@tonic-gate 74367c478bd9Sstevel@tonic-gate out: 74377c478bd9Sstevel@tonic-gate if (hdl) 74387c478bd9Sstevel@tonic-gate librcm_free_handle(hdl); 74397c478bd9Sstevel@tonic-gate (void) dlclose(librcm_hdl); 74407c478bd9Sstevel@tonic-gate return (-1); 74417c478bd9Sstevel@tonic-gate } 74427c478bd9Sstevel@tonic-gate 74437c478bd9Sstevel@tonic-gate /* 74447c478bd9Sstevel@tonic-gate * Build an nvlist using the minor data. Pack it and add the packed nvlist 74457c478bd9Sstevel@tonic-gate * as a byte array to nv_list parameter. 74467c478bd9Sstevel@tonic-gate * Return 0 on success, errno on failure. 74477c478bd9Sstevel@tonic-gate */ 74487c478bd9Sstevel@tonic-gate static int 74497c478bd9Sstevel@tonic-gate add_minor_data_to_nvl(nvlist_t *nv_list, di_minor_t minor) 74507c478bd9Sstevel@tonic-gate { 74517c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 74527c478bd9Sstevel@tonic-gate int32_t minor_type; 74537c478bd9Sstevel@tonic-gate char *minor_name, *minor_node_type; 74547c478bd9Sstevel@tonic-gate int err; 74557c478bd9Sstevel@tonic-gate char *buf = NULL; 74567c478bd9Sstevel@tonic-gate size_t buflen = 0; 74577c478bd9Sstevel@tonic-gate 74587c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, 0, 0)) != 0) 74597c478bd9Sstevel@tonic-gate return (err); 74607c478bd9Sstevel@tonic-gate 74617c478bd9Sstevel@tonic-gate minor_type = (int32_t)di_minor_type(minor); 74627c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, RCM_NV_MINOR_TYPE, minor_type)) != 0) 74637c478bd9Sstevel@tonic-gate goto error; 74647c478bd9Sstevel@tonic-gate 74657c478bd9Sstevel@tonic-gate minor_name = di_minor_name(minor); 74667c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_MINOR_NAME, minor_name)) != 0) 74677c478bd9Sstevel@tonic-gate goto error; 74687c478bd9Sstevel@tonic-gate 74697c478bd9Sstevel@tonic-gate if ((minor_node_type = di_minor_nodetype(minor)) == NULL) 74707c478bd9Sstevel@tonic-gate minor_node_type = ""; 74717c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_MINOR_NODE_TYPE, 74727c478bd9Sstevel@tonic-gate minor_node_type)) != 0) 74737c478bd9Sstevel@tonic-gate goto error; 74747c478bd9Sstevel@tonic-gate 74757c478bd9Sstevel@tonic-gate if ((err = nvlist_pack(nvl, &buf, &buflen, NV_ENCODE_NATIVE, 0)) != 0) 74767c478bd9Sstevel@tonic-gate goto error; 74777c478bd9Sstevel@tonic-gate 74787c478bd9Sstevel@tonic-gate err = nvlist_add_byte_array(nv_list, RCM_NV_MINOR_DATA, 74797c478bd9Sstevel@tonic-gate (uchar_t *)(buf), (uint_t)(buflen)); 74807c478bd9Sstevel@tonic-gate 74817c478bd9Sstevel@tonic-gate error: 74827c478bd9Sstevel@tonic-gate nvlist_free(nvl); 74837c478bd9Sstevel@tonic-gate if (buf) 74847c478bd9Sstevel@tonic-gate free(buf); 74857c478bd9Sstevel@tonic-gate return (err); 74867c478bd9Sstevel@tonic-gate } 74877c478bd9Sstevel@tonic-gate 74887c478bd9Sstevel@tonic-gate static void 74897c478bd9Sstevel@tonic-gate enqueue_rcm_event(nvlist_t *nvl) 74907c478bd9Sstevel@tonic-gate { 74917c478bd9Sstevel@tonic-gate struct rcm_eventq *ev; 74927c478bd9Sstevel@tonic-gate 74937c478bd9Sstevel@tonic-gate ev = (struct rcm_eventq *)s_zalloc(sizeof (struct rcm_eventq)); 74947c478bd9Sstevel@tonic-gate ev->nvl = nvl; 74957c478bd9Sstevel@tonic-gate 74967c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 74977c478bd9Sstevel@tonic-gate if (rcm_eventq_head == NULL) 74987c478bd9Sstevel@tonic-gate rcm_eventq_head = ev; 74997c478bd9Sstevel@tonic-gate else 75007c478bd9Sstevel@tonic-gate rcm_eventq_tail->next = ev; 75017c478bd9Sstevel@tonic-gate rcm_eventq_tail = ev; 75027c478bd9Sstevel@tonic-gate (void) cond_broadcast(&rcm_eventq_cv); 75037c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 75047c478bd9Sstevel@tonic-gate } 75057c478bd9Sstevel@tonic-gate 75067c478bd9Sstevel@tonic-gate /* 75077c478bd9Sstevel@tonic-gate * Generate an nvlist using the information given in node and minor_name. 75087c478bd9Sstevel@tonic-gate * If minor_name is NULL the nvlist will contain information on 75097c478bd9Sstevel@tonic-gate * all minor nodes. Otherwise the nvlist will contain information 75107c478bd9Sstevel@tonic-gate * only on the given minor_name. Notify RCM passing the nvlist. 75117c478bd9Sstevel@tonic-gate * 75127c478bd9Sstevel@tonic-gate * Return 0 upon successfully notifying RCM, errno on failure. 75137c478bd9Sstevel@tonic-gate */ 75147c478bd9Sstevel@tonic-gate static int 75157c478bd9Sstevel@tonic-gate notify_rcm(di_node_t node, char *minor_name) 75167c478bd9Sstevel@tonic-gate { 75177c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 75187c478bd9Sstevel@tonic-gate char *path, *driver_name; 75197c478bd9Sstevel@tonic-gate char *node_name; 75207c478bd9Sstevel@tonic-gate int err; 75217c478bd9Sstevel@tonic-gate int32_t instance; 75227c478bd9Sstevel@tonic-gate di_minor_t minor; 75237c478bd9Sstevel@tonic-gate 75247c478bd9Sstevel@tonic-gate if ((driver_name = di_driver_name(node)) == NULL) 75257c478bd9Sstevel@tonic-gate driver_name = ""; 75267c478bd9Sstevel@tonic-gate 75277c478bd9Sstevel@tonic-gate instance = (int32_t)di_instance(node); 75287c478bd9Sstevel@tonic-gate 75297c478bd9Sstevel@tonic-gate if ((path = di_devfs_path(node)) == NULL) { 75307c478bd9Sstevel@tonic-gate err = errno; 75317c478bd9Sstevel@tonic-gate goto error; 75327c478bd9Sstevel@tonic-gate } 75337c478bd9Sstevel@tonic-gate 75347c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, 0, 0)) != 0) 75357c478bd9Sstevel@tonic-gate goto error; 75367c478bd9Sstevel@tonic-gate 75377c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_DRIVER_NAME, driver_name)) 75387c478bd9Sstevel@tonic-gate != 0) 75397c478bd9Sstevel@tonic-gate goto error; 75407c478bd9Sstevel@tonic-gate 75417c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, RCM_NV_INSTANCE, instance)) != 0) 75427c478bd9Sstevel@tonic-gate goto error; 75437c478bd9Sstevel@tonic-gate 75447c478bd9Sstevel@tonic-gate if ((node_name = di_node_name(node)) == NULL) 75457c478bd9Sstevel@tonic-gate node_name = ""; 75467c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_NODE_NAME, node_name)) != 0) 75477c478bd9Sstevel@tonic-gate goto error; 75487c478bd9Sstevel@tonic-gate 75497c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_DEVFS_PATH, path)) != 0) 75507c478bd9Sstevel@tonic-gate goto error; 75517c478bd9Sstevel@tonic-gate 75527c478bd9Sstevel@tonic-gate minor = di_minor_next(node, DI_MINOR_NIL); 75537c478bd9Sstevel@tonic-gate while (minor != DI_MINOR_NIL) { 75547c478bd9Sstevel@tonic-gate if ((minor_name == NULL) || 75557c478bd9Sstevel@tonic-gate (strcmp(minor_name, di_minor_name(minor)) == 0)) { 75567c478bd9Sstevel@tonic-gate if ((err = add_minor_data_to_nvl(nvl, minor)) != 0) 75577c478bd9Sstevel@tonic-gate goto error; 75587c478bd9Sstevel@tonic-gate } 75597c478bd9Sstevel@tonic-gate minor = di_minor_next(node, minor); 75607c478bd9Sstevel@tonic-gate } 75617c478bd9Sstevel@tonic-gate 75627c478bd9Sstevel@tonic-gate enqueue_rcm_event(nvl); 75637c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 75647c478bd9Sstevel@tonic-gate return (0); 75657c478bd9Sstevel@tonic-gate 75667c478bd9Sstevel@tonic-gate error: 75677c478bd9Sstevel@tonic-gate err_print(RCM_NVLIST_BUILD_ERROR, ((path != NULL) ? path : "unknown"), 75687c478bd9Sstevel@tonic-gate driver_name, instance, strerror(err)); 75697c478bd9Sstevel@tonic-gate 75707c478bd9Sstevel@tonic-gate if (path) 75717c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 75727c478bd9Sstevel@tonic-gate if (nvl) 75737c478bd9Sstevel@tonic-gate nvlist_free(nvl); 75747c478bd9Sstevel@tonic-gate return (err); 75757c478bd9Sstevel@tonic-gate } 75767c478bd9Sstevel@tonic-gate 75777c478bd9Sstevel@tonic-gate /* 75787c478bd9Sstevel@tonic-gate * Add the specified property to nvl. 75797c478bd9Sstevel@tonic-gate * Returns: 75807c478bd9Sstevel@tonic-gate * 0 successfully added 75817c478bd9Sstevel@tonic-gate * -1 an error occurred 75827c478bd9Sstevel@tonic-gate * 1 could not add the property for reasons not due to errors. 75837c478bd9Sstevel@tonic-gate */ 75847c478bd9Sstevel@tonic-gate static int 75857c478bd9Sstevel@tonic-gate add_property(nvlist_t *nvl, di_prop_t prop) 75867c478bd9Sstevel@tonic-gate { 75877c478bd9Sstevel@tonic-gate char *name; 75887c478bd9Sstevel@tonic-gate char *attr_name; 75897c478bd9Sstevel@tonic-gate int n, len; 75907c478bd9Sstevel@tonic-gate int32_t *int32p; 75917c478bd9Sstevel@tonic-gate int64_t *int64p; 75927c478bd9Sstevel@tonic-gate char *str; 75937c478bd9Sstevel@tonic-gate char **strarray; 75947c478bd9Sstevel@tonic-gate uchar_t *bytep; 75957c478bd9Sstevel@tonic-gate int rv = 0; 75967c478bd9Sstevel@tonic-gate int i; 75977c478bd9Sstevel@tonic-gate 75987c478bd9Sstevel@tonic-gate if ((name = di_prop_name(prop)) == NULL) 75997c478bd9Sstevel@tonic-gate return (-1); 76007c478bd9Sstevel@tonic-gate 76017c478bd9Sstevel@tonic-gate len = sizeof (DEV_PROP_PREFIX) + strlen(name); 76027c478bd9Sstevel@tonic-gate if ((attr_name = malloc(len)) == NULL) 76037c478bd9Sstevel@tonic-gate return (-1); 76047c478bd9Sstevel@tonic-gate 76057c478bd9Sstevel@tonic-gate (void) strlcpy(attr_name, DEV_PROP_PREFIX, len); 76067c478bd9Sstevel@tonic-gate (void) strlcat(attr_name, name, len); 76077c478bd9Sstevel@tonic-gate 76087c478bd9Sstevel@tonic-gate switch (di_prop_type(prop)) { 76097c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BOOLEAN: 76107c478bd9Sstevel@tonic-gate if (nvlist_add_boolean(nvl, attr_name) != 0) 76117c478bd9Sstevel@tonic-gate goto out; 76127c478bd9Sstevel@tonic-gate break; 76137c478bd9Sstevel@tonic-gate 76147c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT: 76157c478bd9Sstevel@tonic-gate if ((n = di_prop_ints(prop, &int32p)) < 1) 76167c478bd9Sstevel@tonic-gate goto out; 76177c478bd9Sstevel@tonic-gate 76187c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int32_t))) { 76197c478bd9Sstevel@tonic-gate if (nvlist_add_int32_array(nvl, attr_name, int32p, 76207c478bd9Sstevel@tonic-gate n) != 0) 76217c478bd9Sstevel@tonic-gate goto out; 76227c478bd9Sstevel@tonic-gate } else 76237c478bd9Sstevel@tonic-gate rv = 1; 76247c478bd9Sstevel@tonic-gate break; 76257c478bd9Sstevel@tonic-gate 76267c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT64: 76277c478bd9Sstevel@tonic-gate if ((n = di_prop_int64(prop, &int64p)) < 1) 76287c478bd9Sstevel@tonic-gate goto out; 76297c478bd9Sstevel@tonic-gate 76307c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int64_t))) { 76317c478bd9Sstevel@tonic-gate if (nvlist_add_int64_array(nvl, attr_name, int64p, 76327c478bd9Sstevel@tonic-gate n) != 0) 76337c478bd9Sstevel@tonic-gate goto out; 76347c478bd9Sstevel@tonic-gate } else 76357c478bd9Sstevel@tonic-gate rv = 1; 76367c478bd9Sstevel@tonic-gate break; 76377c478bd9Sstevel@tonic-gate 76387c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BYTE: 76397c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_UNKNOWN: 76407c478bd9Sstevel@tonic-gate if ((n = di_prop_bytes(prop, &bytep)) < 1) 76417c478bd9Sstevel@tonic-gate goto out; 76427c478bd9Sstevel@tonic-gate 76437c478bd9Sstevel@tonic-gate if (n <= PROP_LEN_LIMIT) { 76447c478bd9Sstevel@tonic-gate if (nvlist_add_byte_array(nvl, attr_name, bytep, n) 76457c478bd9Sstevel@tonic-gate != 0) 76467c478bd9Sstevel@tonic-gate goto out; 76477c478bd9Sstevel@tonic-gate } else 76487c478bd9Sstevel@tonic-gate rv = 1; 76497c478bd9Sstevel@tonic-gate break; 76507c478bd9Sstevel@tonic-gate 76517c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_STRING: 76527c478bd9Sstevel@tonic-gate if ((n = di_prop_strings(prop, &str)) < 1) 76537c478bd9Sstevel@tonic-gate goto out; 76547c478bd9Sstevel@tonic-gate 76557c478bd9Sstevel@tonic-gate if ((strarray = malloc(n * sizeof (char *))) == NULL) 76567c478bd9Sstevel@tonic-gate goto out; 76577c478bd9Sstevel@tonic-gate 76587c478bd9Sstevel@tonic-gate len = 0; 76597c478bd9Sstevel@tonic-gate for (i = 0; i < n; i++) { 76607c478bd9Sstevel@tonic-gate strarray[i] = str + len; 76617c478bd9Sstevel@tonic-gate len += strlen(strarray[i]) + 1; 76627c478bd9Sstevel@tonic-gate } 76637c478bd9Sstevel@tonic-gate 76647c478bd9Sstevel@tonic-gate if (len <= PROP_LEN_LIMIT) { 76657c478bd9Sstevel@tonic-gate if (nvlist_add_string_array(nvl, attr_name, strarray, 76667c478bd9Sstevel@tonic-gate n) != 0) { 76677c478bd9Sstevel@tonic-gate free(strarray); 76687c478bd9Sstevel@tonic-gate goto out; 76697c478bd9Sstevel@tonic-gate } 76707c478bd9Sstevel@tonic-gate } else 76717c478bd9Sstevel@tonic-gate rv = 1; 76727c478bd9Sstevel@tonic-gate free(strarray); 76737c478bd9Sstevel@tonic-gate break; 76747c478bd9Sstevel@tonic-gate 76757c478bd9Sstevel@tonic-gate default: 76767c478bd9Sstevel@tonic-gate rv = 1; 76777c478bd9Sstevel@tonic-gate break; 76787c478bd9Sstevel@tonic-gate } 76797c478bd9Sstevel@tonic-gate 76807c478bd9Sstevel@tonic-gate free(attr_name); 76817c478bd9Sstevel@tonic-gate return (rv); 76827c478bd9Sstevel@tonic-gate 76837c478bd9Sstevel@tonic-gate out: 76847c478bd9Sstevel@tonic-gate free(attr_name); 76857c478bd9Sstevel@tonic-gate return (-1); 76867c478bd9Sstevel@tonic-gate } 76877c478bd9Sstevel@tonic-gate 76887c478bd9Sstevel@tonic-gate static void 76897c478bd9Sstevel@tonic-gate free_dev_names(struct devlink_cb_arg *x) 76907c478bd9Sstevel@tonic-gate { 76917c478bd9Sstevel@tonic-gate int i; 76927c478bd9Sstevel@tonic-gate 76937c478bd9Sstevel@tonic-gate for (i = 0; i < x->count; i++) { 76947c478bd9Sstevel@tonic-gate free(x->dev_names[i]); 76957c478bd9Sstevel@tonic-gate free(x->link_contents[i]); 76967c478bd9Sstevel@tonic-gate } 76977c478bd9Sstevel@tonic-gate } 76987c478bd9Sstevel@tonic-gate 76997c478bd9Sstevel@tonic-gate /* callback function for di_devlink_cache_walk */ 77007c478bd9Sstevel@tonic-gate static int 77017c478bd9Sstevel@tonic-gate devlink_cb(di_devlink_t dl, void *arg) 77027c478bd9Sstevel@tonic-gate { 77037c478bd9Sstevel@tonic-gate struct devlink_cb_arg *x = (struct devlink_cb_arg *)arg; 77047c478bd9Sstevel@tonic-gate const char *path; 77057c478bd9Sstevel@tonic-gate const char *content; 77067c478bd9Sstevel@tonic-gate 77077c478bd9Sstevel@tonic-gate if ((path = di_devlink_path(dl)) == NULL || 77087c478bd9Sstevel@tonic-gate (content = di_devlink_content(dl)) == NULL || 770912d8cf2aSjg (x->dev_names[x->count] = s_strdup(path)) == NULL) 77107c478bd9Sstevel@tonic-gate goto out; 77117c478bd9Sstevel@tonic-gate 771212d8cf2aSjg if ((x->link_contents[x->count] = s_strdup(content)) == NULL) { 77137c478bd9Sstevel@tonic-gate free(x->dev_names[x->count]); 77147c478bd9Sstevel@tonic-gate goto out; 77157c478bd9Sstevel@tonic-gate } 77167c478bd9Sstevel@tonic-gate 77177c478bd9Sstevel@tonic-gate x->count++; 77187c478bd9Sstevel@tonic-gate if (x->count >= MAX_DEV_NAME_COUNT) 77197c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 77207c478bd9Sstevel@tonic-gate 77217c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 77227c478bd9Sstevel@tonic-gate 77237c478bd9Sstevel@tonic-gate out: 77247c478bd9Sstevel@tonic-gate x->rv = -1; 77257c478bd9Sstevel@tonic-gate free_dev_names(x); 77267c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 77277c478bd9Sstevel@tonic-gate } 77287c478bd9Sstevel@tonic-gate 77297c478bd9Sstevel@tonic-gate /* 77307c478bd9Sstevel@tonic-gate * Lookup dev name corresponding to the phys_path. 77317c478bd9Sstevel@tonic-gate * phys_path is path to a node or minor node. 77327c478bd9Sstevel@tonic-gate * Returns: 77337c478bd9Sstevel@tonic-gate * 0 with *dev_name set to the dev name 77347c478bd9Sstevel@tonic-gate * Lookup succeeded and dev_name found 77357c478bd9Sstevel@tonic-gate * 0 with *dev_name set to NULL 77367c478bd9Sstevel@tonic-gate * Lookup encountered no errors but dev name not found 77377c478bd9Sstevel@tonic-gate * -1 77387c478bd9Sstevel@tonic-gate * Lookup failed 77397c478bd9Sstevel@tonic-gate */ 77407c478bd9Sstevel@tonic-gate static int 77417c478bd9Sstevel@tonic-gate lookup_dev_name(char *phys_path, char **dev_name) 77427c478bd9Sstevel@tonic-gate { 77437c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 77447c478bd9Sstevel@tonic-gate 77457c478bd9Sstevel@tonic-gate *dev_name = NULL; 77467c478bd9Sstevel@tonic-gate 77477c478bd9Sstevel@tonic-gate cb_arg.count = 0; 77487c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 77497c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, phys_path, 77507c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 77517c478bd9Sstevel@tonic-gate 77527c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1) 77537c478bd9Sstevel@tonic-gate return (-1); 77547c478bd9Sstevel@tonic-gate 77557c478bd9Sstevel@tonic-gate if (cb_arg.count > 0) { 775612d8cf2aSjg *dev_name = s_strdup(cb_arg.dev_names[0]); 77577c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 77587c478bd9Sstevel@tonic-gate if (*dev_name == NULL) 77597c478bd9Sstevel@tonic-gate return (-1); 77607c478bd9Sstevel@tonic-gate } 77617c478bd9Sstevel@tonic-gate 77627c478bd9Sstevel@tonic-gate return (0); 77637c478bd9Sstevel@tonic-gate } 77647c478bd9Sstevel@tonic-gate 77657c478bd9Sstevel@tonic-gate static char * 77667c478bd9Sstevel@tonic-gate lookup_disk_dev_name(char *node_path) 77677c478bd9Sstevel@tonic-gate { 77687c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 77697c478bd9Sstevel@tonic-gate char *dev_name = NULL; 77707c478bd9Sstevel@tonic-gate int i; 77717c478bd9Sstevel@tonic-gate char *p; 77727c478bd9Sstevel@tonic-gate int len1, len2; 77737c478bd9Sstevel@tonic-gate 77747c478bd9Sstevel@tonic-gate #define DEV_RDSK "/dev/rdsk/" 77757c478bd9Sstevel@tonic-gate #define DISK_RAW_MINOR ",raw" 77767c478bd9Sstevel@tonic-gate 77777c478bd9Sstevel@tonic-gate cb_arg.count = 0; 77787c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 77797c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 77807c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 77817c478bd9Sstevel@tonic-gate 77827c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1 || cb_arg.count == 0) 77837c478bd9Sstevel@tonic-gate return (NULL); 77847c478bd9Sstevel@tonic-gate 77857c478bd9Sstevel@tonic-gate /* first try lookup based on /dev/rdsk name */ 77867c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 77877c478bd9Sstevel@tonic-gate if (strncmp(cb_arg.dev_names[i], DEV_RDSK, 77887c478bd9Sstevel@tonic-gate sizeof (DEV_RDSK) - 1) == 0) { 778912d8cf2aSjg dev_name = s_strdup(cb_arg.dev_names[i]); 77907c478bd9Sstevel@tonic-gate break; 77917c478bd9Sstevel@tonic-gate } 77927c478bd9Sstevel@tonic-gate } 77937c478bd9Sstevel@tonic-gate 77947c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 77957c478bd9Sstevel@tonic-gate /* now try lookup based on a minor name ending with ",raw" */ 77967c478bd9Sstevel@tonic-gate len1 = sizeof (DISK_RAW_MINOR) - 1; 77977c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 77987c478bd9Sstevel@tonic-gate len2 = strlen(cb_arg.link_contents[i]); 77997c478bd9Sstevel@tonic-gate if (len2 >= len1 && 78007c478bd9Sstevel@tonic-gate strcmp(cb_arg.link_contents[i] + len2 - len1, 78017c478bd9Sstevel@tonic-gate DISK_RAW_MINOR) == 0) { 780212d8cf2aSjg dev_name = s_strdup(cb_arg.dev_names[i]); 78037c478bd9Sstevel@tonic-gate break; 78047c478bd9Sstevel@tonic-gate } 78057c478bd9Sstevel@tonic-gate } 78067c478bd9Sstevel@tonic-gate } 78077c478bd9Sstevel@tonic-gate 78087c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 78097c478bd9Sstevel@tonic-gate 781012d8cf2aSjg if (dev_name == NULL) 781112d8cf2aSjg return (NULL); 78127c478bd9Sstevel@tonic-gate if (strlen(dev_name) == 0) { 78137c478bd9Sstevel@tonic-gate free(dev_name); 78147c478bd9Sstevel@tonic-gate return (NULL); 78157c478bd9Sstevel@tonic-gate } 78167c478bd9Sstevel@tonic-gate 78177c478bd9Sstevel@tonic-gate /* if the name contains slice or partition number strip it */ 78187c478bd9Sstevel@tonic-gate p = dev_name + strlen(dev_name) - 1; 78197c478bd9Sstevel@tonic-gate if (isdigit(*p)) { 78207c478bd9Sstevel@tonic-gate while (p != dev_name && isdigit(*p)) 78217c478bd9Sstevel@tonic-gate p--; 78227c478bd9Sstevel@tonic-gate if (*p == 's' || *p == 'p') 78237c478bd9Sstevel@tonic-gate *p = '\0'; 78247c478bd9Sstevel@tonic-gate } 78257c478bd9Sstevel@tonic-gate 78267c478bd9Sstevel@tonic-gate return (dev_name); 78277c478bd9Sstevel@tonic-gate } 78287c478bd9Sstevel@tonic-gate 78297c478bd9Sstevel@tonic-gate static char * 78307c478bd9Sstevel@tonic-gate lookup_network_dev_name(char *node_path, char *driver_name) 78317c478bd9Sstevel@tonic-gate { 78327c478bd9Sstevel@tonic-gate char *dev_name = NULL; 78337c478bd9Sstevel@tonic-gate char phys_path[MAXPATHLEN]; 78347c478bd9Sstevel@tonic-gate 78357c478bd9Sstevel@tonic-gate if (lookup_dev_name(node_path, &dev_name) == -1) 78367c478bd9Sstevel@tonic-gate return (NULL); 78377c478bd9Sstevel@tonic-gate 78387c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 78397c478bd9Sstevel@tonic-gate /* dlpi style-2 only interface */ 78407c478bd9Sstevel@tonic-gate (void) snprintf(phys_path, sizeof (phys_path), 78417c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", driver_name); 78427c478bd9Sstevel@tonic-gate if (lookup_dev_name(phys_path, &dev_name) == -1 || 78437c478bd9Sstevel@tonic-gate dev_name == NULL) 78447c478bd9Sstevel@tonic-gate return (NULL); 78457c478bd9Sstevel@tonic-gate } 78467c478bd9Sstevel@tonic-gate 78477c478bd9Sstevel@tonic-gate return (dev_name); 78487c478bd9Sstevel@tonic-gate } 78497c478bd9Sstevel@tonic-gate 7850db11e6feSjacobs static char * 7851db11e6feSjacobs lookup_printer_dev_name(char *node_path) 7852db11e6feSjacobs { 7853db11e6feSjacobs struct devlink_cb_arg cb_arg; 7854db11e6feSjacobs char *dev_name = NULL; 7855db11e6feSjacobs int i; 7856db11e6feSjacobs 7857db11e6feSjacobs #define DEV_PRINTERS "/dev/printers/" 7858db11e6feSjacobs 7859db11e6feSjacobs cb_arg.count = 0; 7860db11e6feSjacobs cb_arg.rv = 0; 7861db11e6feSjacobs (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 7862db11e6feSjacobs DI_PRIMARY_LINK, &cb_arg, devlink_cb); 7863db11e6feSjacobs 7864db11e6feSjacobs if (cb_arg.rv == -1 || cb_arg.count == 0) 7865db11e6feSjacobs return (NULL); 7866db11e6feSjacobs 7867db11e6feSjacobs /* first try lookup based on /dev/printers name */ 7868db11e6feSjacobs for (i = 0; i < cb_arg.count; i++) { 7869db11e6feSjacobs if (strncmp(cb_arg.dev_names[i], DEV_PRINTERS, 7870db11e6feSjacobs sizeof (DEV_PRINTERS) - 1) == 0) { 7871db11e6feSjacobs dev_name = s_strdup(cb_arg.dev_names[i]); 7872db11e6feSjacobs break; 7873db11e6feSjacobs } 7874db11e6feSjacobs } 7875db11e6feSjacobs 7876db11e6feSjacobs /* fallback to the first name */ 7877db11e6feSjacobs if ((dev_name == NULL) && (cb_arg.count > 0)) 7878db11e6feSjacobs dev_name = s_strdup(cb_arg.dev_names[0]); 7879db11e6feSjacobs 7880db11e6feSjacobs free_dev_names(&cb_arg); 7881db11e6feSjacobs 7882db11e6feSjacobs return (dev_name); 7883db11e6feSjacobs } 7884db11e6feSjacobs 78857c478bd9Sstevel@tonic-gate /* 78867c478bd9Sstevel@tonic-gate * Build an nvlist containing all attributes for devfs events. 78877c478bd9Sstevel@tonic-gate * Returns nvlist pointer on success, NULL on failure. 78887c478bd9Sstevel@tonic-gate */ 78897c478bd9Sstevel@tonic-gate static nvlist_t * 78907c478bd9Sstevel@tonic-gate build_event_attributes(char *class, char *subclass, char *node_path, 78917c478bd9Sstevel@tonic-gate di_node_t node, char *driver_name, int instance) 78927c478bd9Sstevel@tonic-gate { 78937c478bd9Sstevel@tonic-gate nvlist_t *nvl; 78947c478bd9Sstevel@tonic-gate int err = 0; 78957c478bd9Sstevel@tonic-gate di_prop_t prop; 78967c478bd9Sstevel@tonic-gate int count; 78977c478bd9Sstevel@tonic-gate char *prop_name; 78987c478bd9Sstevel@tonic-gate int x; 78997c478bd9Sstevel@tonic-gate char *dev_name = NULL; 79007c478bd9Sstevel@tonic-gate int dev_name_lookup_err = 0; 79017c478bd9Sstevel@tonic-gate 79027c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, NV_UNIQUE_NAME_TYPE, 0)) != 0) { 79037c478bd9Sstevel@tonic-gate nvl = NULL; 79047c478bd9Sstevel@tonic-gate goto out; 79057c478bd9Sstevel@tonic-gate } 79067c478bd9Sstevel@tonic-gate 79077c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, EV_VERSION, EV_V1)) != 0) 79087c478bd9Sstevel@tonic-gate goto out; 79097c478bd9Sstevel@tonic-gate 79107c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_PHYS_PATH, node_path)) != 0) 79117c478bd9Sstevel@tonic-gate goto out; 79127c478bd9Sstevel@tonic-gate 79137c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) != 0 && 79147c478bd9Sstevel@tonic-gate strcmp(class, EC_DEV_REMOVE) != 0) 79157c478bd9Sstevel@tonic-gate return (nvl); 79167c478bd9Sstevel@tonic-gate 79177c478bd9Sstevel@tonic-gate if (driver_name == NULL || instance == -1) 79187c478bd9Sstevel@tonic-gate goto out; 79197c478bd9Sstevel@tonic-gate 79207c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DISK) == 0) { 79217c478bd9Sstevel@tonic-gate if ((dev_name = lookup_disk_dev_name(node_path)) == NULL) { 79227c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 79237c478bd9Sstevel@tonic-gate goto out; 79247c478bd9Sstevel@tonic-gate } 79257c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_NETWORK) == 0) { 79267c478bd9Sstevel@tonic-gate if ((dev_name = lookup_network_dev_name(node_path, driver_name)) 79277c478bd9Sstevel@tonic-gate == NULL) { 79287c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 79297c478bd9Sstevel@tonic-gate goto out; 79307c478bd9Sstevel@tonic-gate } 7931db11e6feSjacobs } else if (strcmp(subclass, ESC_PRINTER) == 0) { 7932db11e6feSjacobs if ((dev_name = lookup_printer_dev_name(node_path)) == NULL) { 7933db11e6feSjacobs dev_name_lookup_err = 1; 7934db11e6feSjacobs goto out; 7935db11e6feSjacobs } 79367c478bd9Sstevel@tonic-gate } 79377c478bd9Sstevel@tonic-gate 79387c478bd9Sstevel@tonic-gate if (dev_name) { 79397c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_NAME, dev_name)) != 0) 79407c478bd9Sstevel@tonic-gate goto out; 79417c478bd9Sstevel@tonic-gate free(dev_name); 79427c478bd9Sstevel@tonic-gate dev_name = NULL; 79437c478bd9Sstevel@tonic-gate } 79447c478bd9Sstevel@tonic-gate 79457c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_DRIVER_NAME, driver_name)) != 0) 79467c478bd9Sstevel@tonic-gate goto out; 79477c478bd9Sstevel@tonic-gate 79487c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, DEV_INSTANCE, instance)) != 0) 79497c478bd9Sstevel@tonic-gate goto out; 79507c478bd9Sstevel@tonic-gate 79517c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) == 0) { 79527c478bd9Sstevel@tonic-gate /* add properties */ 79537c478bd9Sstevel@tonic-gate count = 0; 79547c478bd9Sstevel@tonic-gate for (prop = di_prop_next(node, DI_PROP_NIL); 79557c478bd9Sstevel@tonic-gate prop != DI_PROP_NIL && count < MAX_PROP_COUNT; 79567c478bd9Sstevel@tonic-gate prop = di_prop_next(node, prop)) { 79577c478bd9Sstevel@tonic-gate 79587c478bd9Sstevel@tonic-gate if (di_prop_devt(prop) != DDI_DEV_T_NONE) 79597c478bd9Sstevel@tonic-gate continue; 79607c478bd9Sstevel@tonic-gate 79617c478bd9Sstevel@tonic-gate if ((x = add_property(nvl, prop)) == 0) 79627c478bd9Sstevel@tonic-gate count++; 79637c478bd9Sstevel@tonic-gate else if (x == -1) { 79647c478bd9Sstevel@tonic-gate if ((prop_name = di_prop_name(prop)) == NULL) 79657c478bd9Sstevel@tonic-gate prop_name = ""; 79667c478bd9Sstevel@tonic-gate err_print(PROP_ADD_FAILED, prop_name); 79677c478bd9Sstevel@tonic-gate goto out; 79687c478bd9Sstevel@tonic-gate } 79697c478bd9Sstevel@tonic-gate } 79707c478bd9Sstevel@tonic-gate } 79717c478bd9Sstevel@tonic-gate 79727c478bd9Sstevel@tonic-gate return (nvl); 79737c478bd9Sstevel@tonic-gate 79747c478bd9Sstevel@tonic-gate out: 79757c478bd9Sstevel@tonic-gate if (nvl) 79767c478bd9Sstevel@tonic-gate nvlist_free(nvl); 79777c478bd9Sstevel@tonic-gate 79787c478bd9Sstevel@tonic-gate if (dev_name) 79797c478bd9Sstevel@tonic-gate free(dev_name); 79807c478bd9Sstevel@tonic-gate 79817c478bd9Sstevel@tonic-gate if (dev_name_lookup_err) 79827c478bd9Sstevel@tonic-gate err_print(DEV_NAME_LOOKUP_FAILED, node_path); 79837c478bd9Sstevel@tonic-gate else 79847c478bd9Sstevel@tonic-gate err_print(BUILD_EVENT_ATTR_FAILED, (err) ? strerror(err) : ""); 79857c478bd9Sstevel@tonic-gate return (NULL); 79867c478bd9Sstevel@tonic-gate } 79877c478bd9Sstevel@tonic-gate 79887c478bd9Sstevel@tonic-gate static void 79897c478bd9Sstevel@tonic-gate log_event(char *class, char *subclass, nvlist_t *nvl) 79907c478bd9Sstevel@tonic-gate { 79917c478bd9Sstevel@tonic-gate sysevent_id_t eid; 79927c478bd9Sstevel@tonic-gate 79937c478bd9Sstevel@tonic-gate if (sysevent_post_event(class, subclass, "SUNW", DEVFSADMD, 79947c478bd9Sstevel@tonic-gate nvl, &eid) != 0) { 79957c478bd9Sstevel@tonic-gate err_print(LOG_EVENT_FAILED, strerror(errno)); 79967c478bd9Sstevel@tonic-gate } 79977c478bd9Sstevel@tonic-gate } 79987c478bd9Sstevel@tonic-gate 79997c478bd9Sstevel@tonic-gate static void 80007c478bd9Sstevel@tonic-gate build_and_log_event(char *class, char *subclass, char *node_path, 80017c478bd9Sstevel@tonic-gate di_node_t node) 80027c478bd9Sstevel@tonic-gate { 80037c478bd9Sstevel@tonic-gate nvlist_t *nvl; 80047c478bd9Sstevel@tonic-gate 80057c478bd9Sstevel@tonic-gate if (node != DI_NODE_NIL) 80067c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 80077c478bd9Sstevel@tonic-gate di_driver_name(node), di_instance(node)); 80087c478bd9Sstevel@tonic-gate else 80097c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 80107c478bd9Sstevel@tonic-gate NULL, -1); 80117c478bd9Sstevel@tonic-gate 80127c478bd9Sstevel@tonic-gate if (nvl) { 80137c478bd9Sstevel@tonic-gate log_event(class, subclass, nvl); 80147c478bd9Sstevel@tonic-gate nvlist_free(nvl); 80157c478bd9Sstevel@tonic-gate } 80167c478bd9Sstevel@tonic-gate } 8017*facf4a8dSllai 8018*facf4a8dSllai static int 8019*facf4a8dSllai devname_kcall(int subcmd, void *args) 8020*facf4a8dSllai { 8021*facf4a8dSllai int error = 0; 8022*facf4a8dSllai char *nvlbuf = NULL; 8023*facf4a8dSllai size_t nvlsize; 8024*facf4a8dSllai 8025*facf4a8dSllai switch (subcmd) { 8026*facf4a8dSllai case MODDEVNAME_NSMAPS: 8027*facf4a8dSllai error = nvlist_pack((nvlist_t *)args, &nvlbuf, &nvlsize, 0, 0); 8028*facf4a8dSllai if (error) { 8029*facf4a8dSllai err_print("packing MODDEVNAME_NSMAPS failed\n"); 8030*facf4a8dSllai break; 8031*facf4a8dSllai } 8032*facf4a8dSllai error = modctl(MODDEVNAME, subcmd, nvlbuf, nvlsize); 8033*facf4a8dSllai if (error) { 8034*facf4a8dSllai vprint(INFO_MID, "modctl(MODDEVNAME, " 8035*facf4a8dSllai "MODDEVNAME_NSMAPS) failed - %s\n", 8036*facf4a8dSllai strerror(errno)); 8037*facf4a8dSllai } 8038*facf4a8dSllai free(nvlbuf); 8039*facf4a8dSllai nvlist_free(args); 8040*facf4a8dSllai break; 8041*facf4a8dSllai case MODDEVNAME_LOOKUPDOOR: 8042*facf4a8dSllai error = modctl(MODDEVNAME, subcmd, (uintptr_t)args); 8043*facf4a8dSllai if (error) { 8044*facf4a8dSllai vprint(INFO_MID, "modctl(MODDEVNAME, " 8045*facf4a8dSllai "MODDEVNAME_LOOKUPDOOR) failed - %s\n", 8046*facf4a8dSllai strerror(errno)); 8047*facf4a8dSllai } 8048*facf4a8dSllai break; 8049*facf4a8dSllai default: 8050*facf4a8dSllai error = EINVAL; 8051*facf4a8dSllai break; 8052*facf4a8dSllai } 8053*facf4a8dSllai return (error); 8054*facf4a8dSllai } 8055*facf4a8dSllai 8056*facf4a8dSllai static void 8057*facf4a8dSllai devname_setup_nsmaps(void) 8058*facf4a8dSllai { 8059*facf4a8dSllai int error = 0; 8060*facf4a8dSllai 8061*facf4a8dSllai if (devname_first_call) { 8062*facf4a8dSllai devname_first_call = 0; 8063*facf4a8dSllai } 8064*facf4a8dSllai 8065*facf4a8dSllai error = di_devname_get_mapinfo(DEVNAME_MASTER_MAP, &devname_maps); 8066*facf4a8dSllai 8067*facf4a8dSllai if (error) { 8068*facf4a8dSllai vprint(INFO_MID, "devname_setup_nsmaps: error %d\n", errno); 8069*facf4a8dSllai } else { 8070*facf4a8dSllai #ifdef DEBUG 8071*facf4a8dSllai di_devname_print_mapinfo(devname_maps); 8072*facf4a8dSllai #endif 8073*facf4a8dSllai /* pass down the existing map names to kernel */ 8074*facf4a8dSllai (void) devname_kcall(MODDEVNAME_NSMAPS, (void *)devname_maps); 8075*facf4a8dSllai } 8076*facf4a8dSllai } 8077*facf4a8dSllai 8078*facf4a8dSllai static void 8079*facf4a8dSllai devname_ns_services(uint8_t cmd, char *key, char *map) 8080*facf4a8dSllai { 8081*facf4a8dSllai nvlist_t *nvl = NULL; 8082*facf4a8dSllai int32_t error = 0; 8083*facf4a8dSllai sdev_door_res_t res; 8084*facf4a8dSllai 8085*facf4a8dSllai vprint(DEVNAME_MID, "devname_ns_services: cmd %d key %s map %s\n", 8086*facf4a8dSllai cmd, key, map); 8087*facf4a8dSllai 8088*facf4a8dSllai switch (cmd) { 8089*facf4a8dSllai case DEVFSADMD_NS_LOOKUP: 8090*facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_get_mapent\n"); 8091*facf4a8dSllai error = di_devname_get_mapent(key, map, &nvl); 8092*facf4a8dSllai if (nvl == NULL) { 8093*facf4a8dSllai error = DEVFSADM_NS_FAILED; 8094*facf4a8dSllai goto done; 8095*facf4a8dSllai } 8096*facf4a8dSllai 8097*facf4a8dSllai if (error) { 8098*facf4a8dSllai nvlist_free(nvl); 8099*facf4a8dSllai goto done; 8100*facf4a8dSllai } 8101*facf4a8dSllai 8102*facf4a8dSllai if (devname_debug_msg) 8103*facf4a8dSllai di_devname_print_mapinfo(nvl); 8104*facf4a8dSllai 8105*facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_action_on_key for %d\n", 8106*facf4a8dSllai cmd); 8107*facf4a8dSllai error = di_devname_action_on_key(nvl, cmd, key, (void *)&res); 8108*facf4a8dSllai nvlist_free(nvl); 8109*facf4a8dSllai break; 8110*facf4a8dSllai case DEVFSADMD_NS_READDIR: 8111*facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_get_mapinfo for cmd %d" 8112*facf4a8dSllai "\n", cmd); 8113*facf4a8dSllai error = di_devname_get_mapinfo(map, &nvl); 8114*facf4a8dSllai if (nvl == NULL) { 8115*facf4a8dSllai error = DEVFSADM_NS_FAILED; 8116*facf4a8dSllai goto done; 8117*facf4a8dSllai } 8118*facf4a8dSllai 8119*facf4a8dSllai if (error) { 8120*facf4a8dSllai nvlist_free(nvl); 8121*facf4a8dSllai goto done; 8122*facf4a8dSllai } 8123*facf4a8dSllai 8124*facf4a8dSllai if (devname_debug_msg) 8125*facf4a8dSllai di_devname_print_mapinfo(nvl); 8126*facf4a8dSllai 8127*facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_action_on_key\n"); 8128*facf4a8dSllai error = di_devname_action_on_key(nvl, cmd, key, (void *)&res); 8129*facf4a8dSllai nvlist_free(nvl); 8130*facf4a8dSllai break; 8131*facf4a8dSllai default: 8132*facf4a8dSllai error = DEVFSADM_RUN_NOTSUP; 8133*facf4a8dSllai break; 8134*facf4a8dSllai } 8135*facf4a8dSllai 8136*facf4a8dSllai done: 8137*facf4a8dSllai vprint(DEVNAME_MID, "error %d\n", error); 8138*facf4a8dSllai res.devfsadm_error = error; 8139*facf4a8dSllai (void) door_return((char *)&res, sizeof (struct sdev_door_res), 8140*facf4a8dSllai NULL, 0); 8141*facf4a8dSllai } 8142*facf4a8dSllai 8143*facf4a8dSllai /* ARGSUSED */ 8144*facf4a8dSllai static void 8145*facf4a8dSllai devname_lookup_handler(void *cookie, char *argp, size_t arg_size, 8146*facf4a8dSllai door_desc_t *dp, uint_t n_desc) 8147*facf4a8dSllai { 8148*facf4a8dSllai int32_t error = 0; 8149*facf4a8dSllai door_cred_t dcred; 8150*facf4a8dSllai struct dca_impl dci; 8151*facf4a8dSllai uint8_t cmd; 8152*facf4a8dSllai char *ns_map, *ns_name; 8153*facf4a8dSllai sdev_door_res_t res; 8154*facf4a8dSllai sdev_door_arg_t *args; 8155*facf4a8dSllai 8156*facf4a8dSllai if (argp == NULL || arg_size == 0) { 8157*facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: argp wrong\n"); 8158*facf4a8dSllai error = DEVFSADM_RUN_INVALID; 8159*facf4a8dSllai goto done; 8160*facf4a8dSllai } 8161*facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler\n"); 8162*facf4a8dSllai 8163*facf4a8dSllai if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 8164*facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: cred wrong\n"); 8165*facf4a8dSllai error = DEVFSADM_RUN_EPERM; 8166*facf4a8dSllai goto done; 8167*facf4a8dSllai } 8168*facf4a8dSllai 8169*facf4a8dSllai args = (sdev_door_arg_t *)argp; 8170*facf4a8dSllai cmd = args->devfsadm_cmd; 8171*facf4a8dSllai 8172*facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: cmd %d\n", cmd); 8173*facf4a8dSllai switch (cmd) { 8174*facf4a8dSllai case DEVFSADMD_NS_LOOKUP: 8175*facf4a8dSllai case DEVFSADMD_NS_READDIR: 8176*facf4a8dSllai ns_name = s_strdup(args->ns_hdl.ns_name); 8177*facf4a8dSllai ns_map = s_strdup(args->ns_hdl.ns_map); 8178*facf4a8dSllai 8179*facf4a8dSllai vprint(DEVNAME_MID, " ns_name %s ns_map %s\n", ns_name, ns_map); 8180*facf4a8dSllai if (ns_name == NULL || ns_map == NULL) { 8181*facf4a8dSllai error = DEVFSADM_RUN_INVALID; 8182*facf4a8dSllai goto done; 8183*facf4a8dSllai } 8184*facf4a8dSllai 8185*facf4a8dSllai devname_ns_services(cmd, ns_name, ns_map); 8186*facf4a8dSllai return; 8187*facf4a8dSllai case DEVFSADMD_RUN_ALL: 8188*facf4a8dSllai /* 8189*facf4a8dSllai * run "devfsadm" 8190*facf4a8dSllai */ 8191*facf4a8dSllai dci.dci_root = "/"; 8192*facf4a8dSllai dci.dci_minor = NULL; 8193*facf4a8dSllai dci.dci_driver = NULL; 8194*facf4a8dSllai dci.dci_error = 0; 8195*facf4a8dSllai dci.dci_flags = 0; 8196*facf4a8dSllai dci.dci_arg = NULL; 8197*facf4a8dSllai 8198*facf4a8dSllai lock_dev(); 8199*facf4a8dSllai update_drvconf((major_t)-1); 8200*facf4a8dSllai dci.dci_flags |= DCA_FLUSH_PATHINST; 8201*facf4a8dSllai 8202*facf4a8dSllai pre_and_post_cleanup(RM_PRE); 8203*facf4a8dSllai devi_tree_walk(&dci, DINFOFORCE|DI_CACHE_SNAPSHOT_FLAGS, NULL); 8204*facf4a8dSllai error = (int32_t)dci.dci_error; 8205*facf4a8dSllai if (!error) { 8206*facf4a8dSllai pre_and_post_cleanup(RM_POST); 8207*facf4a8dSllai update_database = TRUE; 8208*facf4a8dSllai unlock_dev(SYNC_STATE); 8209*facf4a8dSllai update_database = FALSE; 8210*facf4a8dSllai } else { 8211*facf4a8dSllai if (DEVFSADM_DEBUG_ON) { 8212*facf4a8dSllai vprint(INFO_MID, "devname_lookup_handler: " 8213*facf4a8dSllai "DEVFSADMD_RUN_ALL failed\n"); 8214*facf4a8dSllai } 8215*facf4a8dSllai 8216*facf4a8dSllai unlock_dev(SYNC_STATE); 8217*facf4a8dSllai } 8218*facf4a8dSllai break; 8219*facf4a8dSllai default: 8220*facf4a8dSllai /* log an error here? */ 8221*facf4a8dSllai error = DEVFSADM_RUN_NOTSUP; 8222*facf4a8dSllai break; 8223*facf4a8dSllai } 8224*facf4a8dSllai 8225*facf4a8dSllai done: 8226*facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: error %d\n", error); 8227*facf4a8dSllai res.devfsadm_error = error; 8228*facf4a8dSllai (void) door_return((char *)&res, sizeof (struct sdev_door_res), 8229*facf4a8dSllai NULL, 0); 8230*facf4a8dSllai } 8231*facf4a8dSllai 8232*facf4a8dSllai /* 8233*facf4a8dSllai * Use of the dev filesystem's private readdir does not trigger 8234*facf4a8dSllai * the implicit device reconfiguration. 8235*facf4a8dSllai * 8236*facf4a8dSllai * Note: only useable with paths mounted on an instance of the 8237*facf4a8dSllai * dev filesystem. 8238*facf4a8dSllai * 8239*facf4a8dSllai * Does not return the . and .. entries. 8240*facf4a8dSllai * Empty directories are returned as an zero-length list. 8241*facf4a8dSllai * ENOENT is returned as a NULL list pointer. 8242*facf4a8dSllai */ 8243*facf4a8dSllai static char * 8244*facf4a8dSllai dev_readdir(char *path) 8245*facf4a8dSllai { 8246*facf4a8dSllai int rv; 8247*facf4a8dSllai int64_t bufsiz; 8248*facf4a8dSllai char *pathlist; 8249*facf4a8dSllai char *p; 8250*facf4a8dSllai int len; 8251*facf4a8dSllai 8252*facf4a8dSllai assert((strcmp(path, "/dev") == 0) || 8253*facf4a8dSllai (strncmp(path, "/dev/", 4) == 0)); 8254*facf4a8dSllai 8255*facf4a8dSllai rv = modctl(MODDEVREADDIR, path, strlen(path), NULL, &bufsiz); 8256*facf4a8dSllai if (rv != 0) { 8257*facf4a8dSllai vprint(READDIR_MID, "%s: %s\n", path, strerror(errno)); 8258*facf4a8dSllai return (NULL); 8259*facf4a8dSllai } 8260*facf4a8dSllai 8261*facf4a8dSllai for (;;) { 8262*facf4a8dSllai assert(bufsiz != 0); 8263*facf4a8dSllai pathlist = s_malloc(bufsiz); 8264*facf4a8dSllai 8265*facf4a8dSllai rv = modctl(MODDEVREADDIR, path, strlen(path), 8266*facf4a8dSllai pathlist, &bufsiz); 8267*facf4a8dSllai if (rv == 0) { 8268*facf4a8dSllai vprint(READDIR_MID, "%s\n", path); 8269*facf4a8dSllai vprint(READDIR_ALL_MID, "%s:\n", path); 8270*facf4a8dSllai for (p = pathlist; (len = strlen(p)) > 0; p += len+1) { 8271*facf4a8dSllai vprint(READDIR_ALL_MID, " %s\n", p); 8272*facf4a8dSllai } 8273*facf4a8dSllai return (pathlist); 8274*facf4a8dSllai } 8275*facf4a8dSllai free(pathlist); 8276*facf4a8dSllai switch (errno) { 8277*facf4a8dSllai case EAGAIN: 8278*facf4a8dSllai break; 8279*facf4a8dSllai case ENOENT: 8280*facf4a8dSllai default: 8281*facf4a8dSllai vprint(READDIR_MID, "%s: %s\n", path, strerror(errno)); 8282*facf4a8dSllai return (NULL); 8283*facf4a8dSllai } 8284*facf4a8dSllai } 8285*facf4a8dSllai } 8286