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 5*055e805aSedp * Common Development and Distribution License (the "License"). 6*055e805aSedp * 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 */ 21*055e805aSedp 227c478bd9Sstevel@tonic-gate /* 23*055e805aSedp * 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 397c478bd9Sstevel@tonic-gate #include "devfsadm_impl.h" 407c478bd9Sstevel@tonic-gate #include <utime.h> 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate /* globals */ 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate /* create or remove nodes or links. unset with -n */ 457c478bd9Sstevel@tonic-gate static int file_mods = TRUE; 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate /* cleanup mode. Set with -C */ 487c478bd9Sstevel@tonic-gate static int cleanup = FALSE; 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate /* devlinks -d compatibility */ 517c478bd9Sstevel@tonic-gate static int devlinks_debug = FALSE; 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate /* turn off device allocation with devfsadm -d */ 547c478bd9Sstevel@tonic-gate static int devalloc_off = FALSE; 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate /* devices to be deallocated with -d */ 577c478bd9Sstevel@tonic-gate static char *devalloc[5] = 587c478bd9Sstevel@tonic-gate {DDI_NT_AUDIO, DDI_NT_CD, DDI_NT_FD, DDI_NT_TAPE, NULL}; 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate /* load a single driver only. set with -i */ 617c478bd9Sstevel@tonic-gate static int single_drv = FALSE; 627c478bd9Sstevel@tonic-gate static char *driver = NULL; 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate /* attempt to load drivers or defer attach nodes */ 657c478bd9Sstevel@tonic-gate static int load_attach_drv = TRUE; 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate /* set if invoked via /usr/lib/devfsadm/devfsadmd */ 687c478bd9Sstevel@tonic-gate static int daemon_mode = FALSE; 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate /* output directed to syslog during daemon mode if set */ 717c478bd9Sstevel@tonic-gate static int logflag = FALSE; 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate /* build links in /dev. -x to turn off */ 747c478bd9Sstevel@tonic-gate static int build_dev = TRUE; 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate /* build nodes in /devices. -y to turn off */ 777c478bd9Sstevel@tonic-gate static int build_devices = TRUE; 787c478bd9Sstevel@tonic-gate 797c478bd9Sstevel@tonic-gate /* -z to turn off */ 807c478bd9Sstevel@tonic-gate static int flush_path_to_inst_enable = TRUE; 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate /* variables used for path_to_inst flushing */ 837c478bd9Sstevel@tonic-gate static int inst_count = 0; 847c478bd9Sstevel@tonic-gate static mutex_t count_lock; 857c478bd9Sstevel@tonic-gate static cond_t cv; 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate /* variables for minor_fini calling system */ 887c478bd9Sstevel@tonic-gate static int minor_fini_timeout = MINOR_FINI_TIMEOUT_DEFAULT; 897c478bd9Sstevel@tonic-gate static mutex_t minor_fini_mutex; 907c478bd9Sstevel@tonic-gate static int minor_fini_thread_created = FALSE; 917c478bd9Sstevel@tonic-gate static int minor_fini_delay_restart = FALSE; 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate /* single-threads /dev modification */ 947c478bd9Sstevel@tonic-gate static sema_t dev_sema; 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate /* the program we were invoked as; ie argv[0] */ 977c478bd9Sstevel@tonic-gate static char *prog; 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate /* pointers to create/remove link lists */ 1007c478bd9Sstevel@tonic-gate static create_list_t *create_head = NULL; 1017c478bd9Sstevel@tonic-gate static remove_list_t *remove_head = NULL; 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate /* supports the class -c option */ 1047c478bd9Sstevel@tonic-gate static char **classes = NULL; 1057c478bd9Sstevel@tonic-gate static int num_classes = 0; 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate /* used with verbose option -v or -V */ 1087c478bd9Sstevel@tonic-gate static int num_verbose = 0; 1097c478bd9Sstevel@tonic-gate static char **verbose = NULL; 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate static struct mperm *minor_perms = NULL; 1127c478bd9Sstevel@tonic-gate static driver_alias_t *driver_aliases = NULL; 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate /* set if -r alternate root given */ 1157c478bd9Sstevel@tonic-gate static char *root_dir = ""; 1167c478bd9Sstevel@tonic-gate 1177c478bd9Sstevel@tonic-gate /* /devices or <rootdir>/devices */ 1187c478bd9Sstevel@tonic-gate static char *devices_dir = DEVICES; 1197c478bd9Sstevel@tonic-gate 1207c478bd9Sstevel@tonic-gate /* /dev or <rootdir>/dev */ 1217c478bd9Sstevel@tonic-gate static char *dev_dir = DEV; 1227c478bd9Sstevel@tonic-gate 1237c478bd9Sstevel@tonic-gate /* /dev for the global zone */ 1247c478bd9Sstevel@tonic-gate static char *global_dev_dir = DEV; 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate /* /etc/path_to_inst unless -p used */ 1277c478bd9Sstevel@tonic-gate static char *inst_file = INSTANCE_FILE; 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate /* /usr/lib/devfsadm/linkmods unless -l used */ 1307c478bd9Sstevel@tonic-gate static char *module_dirs = MODULE_DIRS; 1317c478bd9Sstevel@tonic-gate 1327c478bd9Sstevel@tonic-gate /* default uid/gid used if /etc/minor_perm entry not found */ 1337c478bd9Sstevel@tonic-gate static uid_t root_uid; 1347c478bd9Sstevel@tonic-gate static gid_t sys_gid; 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate /* /etc/devlink.tab unless devlinks -t used */ 1377c478bd9Sstevel@tonic-gate static char *devlinktab_file = NULL; 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate /* set if /dev link is new. speeds up rm_stale_links */ 1407c478bd9Sstevel@tonic-gate static int linknew = TRUE; 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate /* variables for devlink.tab compat processing */ 1437c478bd9Sstevel@tonic-gate static devlinktab_list_t *devlinktab_list = NULL; 1447c478bd9Sstevel@tonic-gate static unsigned int devlinktab_line = 0; 1457c478bd9Sstevel@tonic-gate 1467c478bd9Sstevel@tonic-gate /* cache head for devfsadm_enumerate*() functions */ 1477c478bd9Sstevel@tonic-gate static numeral_set_t *head_numeral_set = NULL; 1487c478bd9Sstevel@tonic-gate 1497c478bd9Sstevel@tonic-gate /* list list of devfsadm modules */ 1507c478bd9Sstevel@tonic-gate static module_t *module_head = NULL; 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate /* name_to_major list used in utility function */ 1537c478bd9Sstevel@tonic-gate static n2m_t *n2m_list = NULL; 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate /* cache of some links used for performance */ 1567c478bd9Sstevel@tonic-gate static linkhead_t *headlinkhead = NULL; 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate /* locking variables to prevent multiples writes to /dev */ 1597c478bd9Sstevel@tonic-gate static int hold_dev_lock = FALSE; 1607c478bd9Sstevel@tonic-gate static int hold_daemon_lock = FALSE; 1617c478bd9Sstevel@tonic-gate static int dev_lock_fd; 1627c478bd9Sstevel@tonic-gate static int daemon_lock_fd; 1637c478bd9Sstevel@tonic-gate static char dev_lockfile[PATH_MAX + 1]; 1647c478bd9Sstevel@tonic-gate static char daemon_lockfile[PATH_MAX + 1]; 1657c478bd9Sstevel@tonic-gate 1667c478bd9Sstevel@tonic-gate /* last devinfo node/minor processed. used for performance */ 1677c478bd9Sstevel@tonic-gate static di_node_t lnode; 1687c478bd9Sstevel@tonic-gate static di_minor_t lminor; 1697c478bd9Sstevel@tonic-gate static char lphy_path[PATH_MAX + 1] = {""}; 1707c478bd9Sstevel@tonic-gate 1717c478bd9Sstevel@tonic-gate /* Globals used by the link database */ 1727c478bd9Sstevel@tonic-gate static di_devlink_handle_t devlink_cache; 1737c478bd9Sstevel@tonic-gate static int update_database = FALSE; 1747c478bd9Sstevel@tonic-gate static int devlink_door_fd = -1; /* fd of devlink handler door */ 1757c478bd9Sstevel@tonic-gate 1767c478bd9Sstevel@tonic-gate /* Globals used to set logindev perms */ 1777c478bd9Sstevel@tonic-gate static struct login_dev *login_dev_cache = NULL; 1787c478bd9Sstevel@tonic-gate static int login_dev_enable = FALSE; 1797c478bd9Sstevel@tonic-gate 1807c478bd9Sstevel@tonic-gate /* Global to use devinfo snapshot cache */ 1817c478bd9Sstevel@tonic-gate static int use_snapshot_cache = FALSE; 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate /* Zone-related information */ 1847c478bd9Sstevel@tonic-gate static int zone_cmd_mode = 0; 1857c478bd9Sstevel@tonic-gate static mutex_t zone_mutex; /* protects zone registration/unregistration ops */ 1867c478bd9Sstevel@tonic-gate static struct zone_devinfo *zone_head; /* linked list of zones */ 1877c478bd9Sstevel@tonic-gate 1887c478bd9Sstevel@tonic-gate /* 1897c478bd9Sstevel@tonic-gate * Packaged directories - not removed even when empty. 1907c478bd9Sstevel@tonic-gate * The dirs must be listed in canonical form 1917c478bd9Sstevel@tonic-gate * i.e. without leading "/dev/" 1927c478bd9Sstevel@tonic-gate */ 1937c478bd9Sstevel@tonic-gate static char *packaged_dirs[] = 1947c478bd9Sstevel@tonic-gate {"dsk", "rdsk", "term", NULL}; 1957c478bd9Sstevel@tonic-gate 1967c478bd9Sstevel@tonic-gate /* RCM related globals */ 1977c478bd9Sstevel@tonic-gate static void *librcm_hdl; 1987c478bd9Sstevel@tonic-gate static rcm_handle_t *rcm_hdl = NULL; 1997c478bd9Sstevel@tonic-gate static thread_t process_rcm_events_tid; 2007c478bd9Sstevel@tonic-gate static struct rcm_eventq *volatile rcm_eventq_head = NULL; 2017c478bd9Sstevel@tonic-gate static struct rcm_eventq *rcm_eventq_tail = NULL; 2027c478bd9Sstevel@tonic-gate static mutex_t rcm_eventq_lock; 2037c478bd9Sstevel@tonic-gate static cond_t rcm_eventq_cv; 2047c478bd9Sstevel@tonic-gate static volatile int need_to_exit_rcm_event_thread = 0; 2057c478bd9Sstevel@tonic-gate 2067c478bd9Sstevel@tonic-gate static void load_dev_acl(void); 2077c478bd9Sstevel@tonic-gate static void update_drvconf(major_t); 2087c478bd9Sstevel@tonic-gate 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate int 2117c478bd9Sstevel@tonic-gate main(int argc, char *argv[]) 2127c478bd9Sstevel@tonic-gate { 2137c478bd9Sstevel@tonic-gate struct passwd *pw; 2147c478bd9Sstevel@tonic-gate struct group *gp; 2157c478bd9Sstevel@tonic-gate pid_t pid; 2167c478bd9Sstevel@tonic-gate 2177c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 2187c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 2197c478bd9Sstevel@tonic-gate 2207c478bd9Sstevel@tonic-gate if ((prog = strrchr(argv[0], '/')) == NULL) { 2217c478bd9Sstevel@tonic-gate prog = argv[0]; 2227c478bd9Sstevel@tonic-gate } else { 2237c478bd9Sstevel@tonic-gate prog++; 2247c478bd9Sstevel@tonic-gate } 2257c478bd9Sstevel@tonic-gate 2267c478bd9Sstevel@tonic-gate if (getuid() != 0) { 2277c478bd9Sstevel@tonic-gate err_print(MUST_BE_ROOT); 2287c478bd9Sstevel@tonic-gate devfsadm_exit(1); 2297c478bd9Sstevel@tonic-gate } 2307c478bd9Sstevel@tonic-gate 2317c478bd9Sstevel@tonic-gate /* 2327c478bd9Sstevel@tonic-gate * Close all files except stdin/stdout/stderr 2337c478bd9Sstevel@tonic-gate */ 2347c478bd9Sstevel@tonic-gate closefrom(3); 2357c478bd9Sstevel@tonic-gate 2367c478bd9Sstevel@tonic-gate if ((pw = getpwnam(DEFAULT_DEV_USER)) != NULL) { 2377c478bd9Sstevel@tonic-gate root_uid = pw->pw_uid; 2387c478bd9Sstevel@tonic-gate } else { 2397c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 2407c478bd9Sstevel@tonic-gate root_uid = (uid_t)0; /* assume 0 is root */ 2417c478bd9Sstevel@tonic-gate } 2427c478bd9Sstevel@tonic-gate 2437c478bd9Sstevel@tonic-gate /* the default group is sys */ 2447c478bd9Sstevel@tonic-gate 2457c478bd9Sstevel@tonic-gate if ((gp = getgrnam(DEFAULT_DEV_GROUP)) != NULL) { 2467c478bd9Sstevel@tonic-gate sys_gid = gp->gr_gid; 2477c478bd9Sstevel@tonic-gate } else { 2487c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 2497c478bd9Sstevel@tonic-gate sys_gid = (gid_t)3; /* assume 3 is sys */ 2507c478bd9Sstevel@tonic-gate } 2517c478bd9Sstevel@tonic-gate 2527c478bd9Sstevel@tonic-gate (void) umask(0); 2537c478bd9Sstevel@tonic-gate 2547c478bd9Sstevel@tonic-gate parse_args(argc, argv); 2557c478bd9Sstevel@tonic-gate 2567c478bd9Sstevel@tonic-gate (void) sema_init(&dev_sema, 1, USYNC_THREAD, NULL); 2577c478bd9Sstevel@tonic-gate 2587c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) { 2597c478bd9Sstevel@tonic-gate /* 2607c478bd9Sstevel@tonic-gate * Build /dev and /devices before daemonizing if 2617c478bd9Sstevel@tonic-gate * reconfig booting and daemon invoked with alternate 2627c478bd9Sstevel@tonic-gate * root. This is to support install. 2637c478bd9Sstevel@tonic-gate */ 2647c478bd9Sstevel@tonic-gate if (getenv(RECONFIG_BOOT) != NULL && root_dir[0] != '\0') { 2657c478bd9Sstevel@tonic-gate vprint(INFO_MID, CONFIGURING); 2667c478bd9Sstevel@tonic-gate load_dev_acl(); 2677c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 2687c478bd9Sstevel@tonic-gate process_devinfo_tree(); 2697c478bd9Sstevel@tonic-gate (void) modctl(MODSETMINIROOT); 2707c478bd9Sstevel@tonic-gate } 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate /* 2737c478bd9Sstevel@tonic-gate * fork before detaching from tty in order to print error 2747c478bd9Sstevel@tonic-gate * message if unable to acquire file lock. locks not preserved 2757c478bd9Sstevel@tonic-gate * across forks. Even under debug we want to fork so that 2767c478bd9Sstevel@tonic-gate * when executed at boot we don't hang. 2777c478bd9Sstevel@tonic-gate */ 2787c478bd9Sstevel@tonic-gate if (fork() != 0) { 2797c478bd9Sstevel@tonic-gate devfsadm_exit(0); 2807c478bd9Sstevel@tonic-gate } 2817c478bd9Sstevel@tonic-gate 2827c478bd9Sstevel@tonic-gate /* set directory to / so it coredumps there */ 2837c478bd9Sstevel@tonic-gate if (chdir("/") == -1) { 2847c478bd9Sstevel@tonic-gate err_print(CHROOT_FAILED, strerror(errno)); 2857c478bd9Sstevel@tonic-gate } 2867c478bd9Sstevel@tonic-gate 2877c478bd9Sstevel@tonic-gate /* only one daemon can run at a time */ 2887c478bd9Sstevel@tonic-gate if ((pid = enter_daemon_lock()) == getpid()) { 2897c478bd9Sstevel@tonic-gate thread_t thread; 2907c478bd9Sstevel@tonic-gate detachfromtty(); 2917c478bd9Sstevel@tonic-gate (void) cond_init(&cv, USYNC_THREAD, 0); 2927c478bd9Sstevel@tonic-gate (void) mutex_init(&count_lock, USYNC_THREAD, 0); 2937c478bd9Sstevel@tonic-gate if (thr_create(NULL, NULL, 2947c478bd9Sstevel@tonic-gate (void *(*)(void *))instance_flush_thread, 2957c478bd9Sstevel@tonic-gate NULL, 2967c478bd9Sstevel@tonic-gate THR_DETACHED, 2977c478bd9Sstevel@tonic-gate &thread) != 0) { 2987c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "daemon", 2997c478bd9Sstevel@tonic-gate strerror(errno)); 3007c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3017c478bd9Sstevel@tonic-gate } 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate /* 3047c478bd9Sstevel@tonic-gate * No need for rcm notifications when running 3057c478bd9Sstevel@tonic-gate * with an alternate root. So initialize rcm only 3067c478bd9Sstevel@tonic-gate * when devfsadm is running with root dir "/". 3077c478bd9Sstevel@tonic-gate * Similarly, logindevperms need only be set 3087c478bd9Sstevel@tonic-gate * in daemon mode and when root dir is "/". 3097c478bd9Sstevel@tonic-gate */ 3107c478bd9Sstevel@tonic-gate if (root_dir[0] == '\0') { 3117c478bd9Sstevel@tonic-gate (void) rcm_init(); 3127c478bd9Sstevel@tonic-gate login_dev_enable = TRUE; 3137c478bd9Sstevel@tonic-gate } 3147c478bd9Sstevel@tonic-gate 3157c478bd9Sstevel@tonic-gate daemon_update(); 3167c478bd9Sstevel@tonic-gate } else { 3177c478bd9Sstevel@tonic-gate err_print(DAEMON_RUNNING, pid); 3187c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3197c478bd9Sstevel@tonic-gate } 3207c478bd9Sstevel@tonic-gate exit_daemon_lock(); 3217c478bd9Sstevel@tonic-gate 3227c478bd9Sstevel@tonic-gate } else { 3237c478bd9Sstevel@tonic-gate /* not a daemon, so just build /dev and /devices */ 3247c478bd9Sstevel@tonic-gate process_devinfo_tree(); 3257c478bd9Sstevel@tonic-gate } 3267c478bd9Sstevel@tonic-gate return (0); 3277c478bd9Sstevel@tonic-gate } 3287c478bd9Sstevel@tonic-gate 3297c478bd9Sstevel@tonic-gate static void 3307c478bd9Sstevel@tonic-gate update_drvconf(major_t major) 3317c478bd9Sstevel@tonic-gate { 3327c478bd9Sstevel@tonic-gate if (modctl(MODLOADDRVCONF, major) != 0) 3337c478bd9Sstevel@tonic-gate err_print(gettext("update_drvconf failed for major %d\n"), 3347c478bd9Sstevel@tonic-gate major); 3357c478bd9Sstevel@tonic-gate } 3367c478bd9Sstevel@tonic-gate 3377c478bd9Sstevel@tonic-gate 3387c478bd9Sstevel@tonic-gate static void 3397c478bd9Sstevel@tonic-gate load_dev_acl() 3407c478bd9Sstevel@tonic-gate { 3417c478bd9Sstevel@tonic-gate if (load_devpolicy() != 0) 3427c478bd9Sstevel@tonic-gate err_print(gettext("device policy load failed\n")); 3437c478bd9Sstevel@tonic-gate load_minor_perm_file(); 3447c478bd9Sstevel@tonic-gate } 3457c478bd9Sstevel@tonic-gate 3467c478bd9Sstevel@tonic-gate /* 3477c478bd9Sstevel@tonic-gate * set_zone_params sets us up to run against a specific zone. It should 3487c478bd9Sstevel@tonic-gate * only be called from parse_args. 3497c478bd9Sstevel@tonic-gate */ 3507c478bd9Sstevel@tonic-gate static int 3517c478bd9Sstevel@tonic-gate set_zone_params(char *zone_name) 3527c478bd9Sstevel@tonic-gate { 3537c478bd9Sstevel@tonic-gate char zpath[MAXPATHLEN]; 3547c478bd9Sstevel@tonic-gate zone_dochandle_t hdl; 3557c478bd9Sstevel@tonic-gate void *dlhdl; 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate assert(daemon_mode == FALSE); 3587c478bd9Sstevel@tonic-gate 3597c478bd9Sstevel@tonic-gate if (strcmp(zone_name, GLOBAL_ZONENAME) == 0) { 3607c478bd9Sstevel@tonic-gate err_print(INVALID_ZONE, zone_name); 3617c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 3627c478bd9Sstevel@tonic-gate } 3637c478bd9Sstevel@tonic-gate 3647c478bd9Sstevel@tonic-gate if ((dlhdl = dlopen(LIBZONECFG_PATH, RTLD_LAZY)) == NULL) { 3657c478bd9Sstevel@tonic-gate err_print(ZONE_LIB_MISSING); 3667c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 3677c478bd9Sstevel@tonic-gate } 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate if (zone_get_zonepath(zone_name, zpath, sizeof (zpath)) != Z_OK) { 3707c478bd9Sstevel@tonic-gate err_print(ZONE_ROOTPATH_FAILED, zone_name, strerror(errno)); 3717c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 3727c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 3737c478bd9Sstevel@tonic-gate } 3747c478bd9Sstevel@tonic-gate set_root_devices_dev_dir(zpath, 1); 3757c478bd9Sstevel@tonic-gate 3767c478bd9Sstevel@tonic-gate if ((hdl = zonecfg_init_handle()) == NULL) { 3777c478bd9Sstevel@tonic-gate err_print(ZONE_REP_FAILED, zone_name, strerror(errno)); 3787c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 3797c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 3807c478bd9Sstevel@tonic-gate } 3817c478bd9Sstevel@tonic-gate 3827c478bd9Sstevel@tonic-gate if ((zonecfg_get_snapshot_handle(zone_name, hdl)) != Z_OK) { 3837c478bd9Sstevel@tonic-gate err_print(ZONE_REP_FAILED, zone_name, strerror(errno)); 3847c478bd9Sstevel@tonic-gate zonecfg_fini_handle(hdl); 3857c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 3867c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 3877c478bd9Sstevel@tonic-gate } 3887c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 3897c478bd9Sstevel@tonic-gate 3907c478bd9Sstevel@tonic-gate zone_head = s_malloc(sizeof (struct zone_devinfo)); 3917c478bd9Sstevel@tonic-gate zone_head->zone_path = s_strdup(zpath); 3927c478bd9Sstevel@tonic-gate zone_head->zone_name = s_strdup(zone_name); 3937c478bd9Sstevel@tonic-gate zone_head->zone_dochdl = hdl; 3947c478bd9Sstevel@tonic-gate zone_head->zone_next = NULL; 3957c478bd9Sstevel@tonic-gate zone_cmd_mode = 1; 3967c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 3977c478bd9Sstevel@tonic-gate } 3987c478bd9Sstevel@tonic-gate 3997c478bd9Sstevel@tonic-gate /* 4007c478bd9Sstevel@tonic-gate * Parse arguments for all 6 programs handled from devfsadm. 4017c478bd9Sstevel@tonic-gate */ 4027c478bd9Sstevel@tonic-gate static void 4037c478bd9Sstevel@tonic-gate parse_args(int argc, char *argv[]) 4047c478bd9Sstevel@tonic-gate { 4057c478bd9Sstevel@tonic-gate char opt; 4067c478bd9Sstevel@tonic-gate char get_linkcompat_opts = FALSE; 4077c478bd9Sstevel@tonic-gate char *compat_class; 4087c478bd9Sstevel@tonic-gate int num_aliases = 0; 4097c478bd9Sstevel@tonic-gate int len; 4107c478bd9Sstevel@tonic-gate int retval; 4117c478bd9Sstevel@tonic-gate int add_bind = FALSE; 4127c478bd9Sstevel@tonic-gate struct aliases *ap = NULL; 4137c478bd9Sstevel@tonic-gate struct aliases *a_head = NULL; 4147c478bd9Sstevel@tonic-gate struct aliases *a_tail = NULL; 4157c478bd9Sstevel@tonic-gate struct modconfig mc; 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate if (strcmp(prog, DISKS) == 0) { 4187c478bd9Sstevel@tonic-gate compat_class = "disk"; 4197c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4207c478bd9Sstevel@tonic-gate 4217c478bd9Sstevel@tonic-gate } else if (strcmp(prog, TAPES) == 0) { 4227c478bd9Sstevel@tonic-gate compat_class = "tape"; 4237c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4247c478bd9Sstevel@tonic-gate 4257c478bd9Sstevel@tonic-gate } else if (strcmp(prog, PORTS) == 0) { 4267c478bd9Sstevel@tonic-gate compat_class = "port"; 4277c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4287c478bd9Sstevel@tonic-gate 4297c478bd9Sstevel@tonic-gate } else if (strcmp(prog, AUDLINKS) == 0) { 4307c478bd9Sstevel@tonic-gate compat_class = "audio"; 4317c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 4327c478bd9Sstevel@tonic-gate 4337c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DEVLINKS) == 0) { 4347c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 4357c478bd9Sstevel@tonic-gate 4367c478bd9Sstevel@tonic-gate build_devices = FALSE; 4377c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 4387c478bd9Sstevel@tonic-gate 4397c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "dnr:st:vV:")) != EOF) { 4407c478bd9Sstevel@tonic-gate switch (opt) { 4417c478bd9Sstevel@tonic-gate case 'd': 4427c478bd9Sstevel@tonic-gate file_mods = FALSE; 4437c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 4447c478bd9Sstevel@tonic-gate devlinks_debug = TRUE; 4457c478bd9Sstevel@tonic-gate break; 4467c478bd9Sstevel@tonic-gate case 'n': 4477c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 4487c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 4497c478bd9Sstevel@tonic-gate break; 4507c478bd9Sstevel@tonic-gate case 'r': 4517c478bd9Sstevel@tonic-gate set_root_devices_dev_dir(optarg, 0); 4527c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 4537c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 4547c478bd9Sstevel@tonic-gate devfsadm_exit(1); 4557c478bd9Sstevel@tonic-gate break; 4567c478bd9Sstevel@tonic-gate case 's': 4577c478bd9Sstevel@tonic-gate /* 4587c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 4597c478bd9Sstevel@tonic-gate * useful with -v or -V 4607c478bd9Sstevel@tonic-gate */ 4617c478bd9Sstevel@tonic-gate file_mods = FALSE; 4627c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 4637c478bd9Sstevel@tonic-gate break; 4647c478bd9Sstevel@tonic-gate case 't': 4657c478bd9Sstevel@tonic-gate /* supply a non-default table file */ 4667c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 4677c478bd9Sstevel@tonic-gate break; 4687c478bd9Sstevel@tonic-gate case 'v': 4697c478bd9Sstevel@tonic-gate /* documented verbose flag */ 4707c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 4717c478bd9Sstevel@tonic-gate break; 4727c478bd9Sstevel@tonic-gate case 'V': 4737c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 4747c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 4757c478bd9Sstevel@tonic-gate break; 4767c478bd9Sstevel@tonic-gate default: 4777c478bd9Sstevel@tonic-gate usage(); 4787c478bd9Sstevel@tonic-gate break; 4797c478bd9Sstevel@tonic-gate } 4807c478bd9Sstevel@tonic-gate } 4817c478bd9Sstevel@tonic-gate 4827c478bd9Sstevel@tonic-gate if (optind < argc) { 4837c478bd9Sstevel@tonic-gate usage(); 4847c478bd9Sstevel@tonic-gate } 4857c478bd9Sstevel@tonic-gate 4867c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 4877c478bd9Sstevel@tonic-gate build_dev = FALSE; 4887c478bd9Sstevel@tonic-gate 4897c478bd9Sstevel@tonic-gate while ((opt = 4907c478bd9Sstevel@tonic-gate getopt(argc, argv, "a:bdc:i:m:np:R:r:svV:")) != EOF) { 4917c478bd9Sstevel@tonic-gate switch (opt) { 4927c478bd9Sstevel@tonic-gate case 'a': 4937c478bd9Sstevel@tonic-gate ap = calloc(sizeof (struct aliases), 1); 4947c478bd9Sstevel@tonic-gate ap->a_name = dequote(optarg); 4957c478bd9Sstevel@tonic-gate len = strlen(ap->a_name) + 1; 4967c478bd9Sstevel@tonic-gate if (len > MAXMODCONFNAME) { 4977c478bd9Sstevel@tonic-gate err_print(ALIAS_TOO_LONG, 4987c478bd9Sstevel@tonic-gate MAXMODCONFNAME, ap->a_name); 4997c478bd9Sstevel@tonic-gate devfsadm_exit(1); 5007c478bd9Sstevel@tonic-gate } 5017c478bd9Sstevel@tonic-gate ap->a_len = len; 5027c478bd9Sstevel@tonic-gate if (a_tail == NULL) { 5037c478bd9Sstevel@tonic-gate a_head = ap; 5047c478bd9Sstevel@tonic-gate } else { 5057c478bd9Sstevel@tonic-gate a_tail->a_next = ap; 5067c478bd9Sstevel@tonic-gate } 5077c478bd9Sstevel@tonic-gate a_tail = ap; 5087c478bd9Sstevel@tonic-gate num_aliases++; 5097c478bd9Sstevel@tonic-gate add_bind = TRUE; 5107c478bd9Sstevel@tonic-gate break; 5117c478bd9Sstevel@tonic-gate case 'b': 5127c478bd9Sstevel@tonic-gate add_bind = TRUE; 5137c478bd9Sstevel@tonic-gate break; 5147c478bd9Sstevel@tonic-gate case 'c': 5157c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvclass, optarg); 5167c478bd9Sstevel@tonic-gate break; 5177c478bd9Sstevel@tonic-gate case 'd': 5187c478bd9Sstevel@tonic-gate /* 5197c478bd9Sstevel@tonic-gate * need to keep for compatibility, but 5207c478bd9Sstevel@tonic-gate * do nothing. 5217c478bd9Sstevel@tonic-gate */ 5227c478bd9Sstevel@tonic-gate break; 5237c478bd9Sstevel@tonic-gate case 'i': 5247c478bd9Sstevel@tonic-gate single_drv = TRUE; 5257c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvname, optarg); 5267c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 5277c478bd9Sstevel@tonic-gate break; 5287c478bd9Sstevel@tonic-gate case 'm': 5297c478bd9Sstevel@tonic-gate mc.major = atoi(optarg); 5307c478bd9Sstevel@tonic-gate break; 5317c478bd9Sstevel@tonic-gate case 'n': 5327c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 5337c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 5347c478bd9Sstevel@tonic-gate break; 5357c478bd9Sstevel@tonic-gate case 'p': 5367c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 5377c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 5387c478bd9Sstevel@tonic-gate break; 5397c478bd9Sstevel@tonic-gate case 'R': 5407c478bd9Sstevel@tonic-gate /* 5417c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 5427c478bd9Sstevel@tonic-gate * device information on the installed root. 5437c478bd9Sstevel@tonic-gate */ 5447c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 5457c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 5467c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 5477c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 5487c478bd9Sstevel@tonic-gate break; 5497c478bd9Sstevel@tonic-gate case 'r': 5507c478bd9Sstevel@tonic-gate devices_dir = s_strdup(optarg); 5517c478bd9Sstevel@tonic-gate if (zone_pathcheck(devices_dir) != 5527c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 5537c478bd9Sstevel@tonic-gate devfsadm_exit(1); 5547c478bd9Sstevel@tonic-gate break; 5557c478bd9Sstevel@tonic-gate case 's': 5567c478bd9Sstevel@tonic-gate /* 5577c478bd9Sstevel@tonic-gate * suppress. don't create nodes 5587c478bd9Sstevel@tonic-gate * useful with -v or -V 5597c478bd9Sstevel@tonic-gate */ 5607c478bd9Sstevel@tonic-gate file_mods = FALSE; 5617c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 5627c478bd9Sstevel@tonic-gate break; 5637c478bd9Sstevel@tonic-gate case 'v': 5647c478bd9Sstevel@tonic-gate /* documented verbose flag */ 5657c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 5667c478bd9Sstevel@tonic-gate break; 5677c478bd9Sstevel@tonic-gate case 'V': 5687c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 5697c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 5707c478bd9Sstevel@tonic-gate break; 5717c478bd9Sstevel@tonic-gate default: 5727c478bd9Sstevel@tonic-gate usage(); 5737c478bd9Sstevel@tonic-gate } 5747c478bd9Sstevel@tonic-gate } 5757c478bd9Sstevel@tonic-gate 5767c478bd9Sstevel@tonic-gate if (optind < argc) { 5777c478bd9Sstevel@tonic-gate usage(); 5787c478bd9Sstevel@tonic-gate } 5797c478bd9Sstevel@tonic-gate 5807c478bd9Sstevel@tonic-gate if ((add_bind == TRUE) && (mc.major == -1 || 5817c478bd9Sstevel@tonic-gate mc.drvname[0] == NULL)) { 5827c478bd9Sstevel@tonic-gate err_print(MAJOR_AND_B_FLAG); 5837c478bd9Sstevel@tonic-gate devfsadm_exit(1); 5847c478bd9Sstevel@tonic-gate } 5857c478bd9Sstevel@tonic-gate if (add_bind == TRUE) { 5867c478bd9Sstevel@tonic-gate mc.num_aliases = num_aliases; 5877c478bd9Sstevel@tonic-gate mc.ap = a_head; 5887c478bd9Sstevel@tonic-gate retval = modctl(MODADDMAJBIND, NULL, (caddr_t)&mc); 5897c478bd9Sstevel@tonic-gate if (retval < 0) { 5907c478bd9Sstevel@tonic-gate err_print(MODCTL_ADDMAJBIND); 5917c478bd9Sstevel@tonic-gate } 5927c478bd9Sstevel@tonic-gate devfsadm_exit(retval); 5937c478bd9Sstevel@tonic-gate } 5947c478bd9Sstevel@tonic-gate 5957c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 5967c478bd9Sstevel@tonic-gate (strcmp(prog, DEVFSADMD) == 0)) { 5977c478bd9Sstevel@tonic-gate char *zonename = NULL; 5987c478bd9Sstevel@tonic-gate enum zreg_op zoneop; 5997c478bd9Sstevel@tonic-gate int init_drvconf = 0; 6007c478bd9Sstevel@tonic-gate int init_perm = 0; 6017c478bd9Sstevel@tonic-gate int public_mode = 0; 6027c478bd9Sstevel@tonic-gate 6037c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADMD) == 0) { 6047c478bd9Sstevel@tonic-gate daemon_mode = TRUE; 6057c478bd9Sstevel@tonic-gate } 6067c478bd9Sstevel@tonic-gate 6077c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 6087c478bd9Sstevel@tonic-gate 6097c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, 6107c478bd9Sstevel@tonic-gate "Cc:dIi:l:np:PR:r:st:vV:x:z:Z:")) != EOF) { 6117c478bd9Sstevel@tonic-gate if (opt == 'I' || opt == 'P') { 6127c478bd9Sstevel@tonic-gate if (public_mode) 6137c478bd9Sstevel@tonic-gate usage(); 6147c478bd9Sstevel@tonic-gate } else { 6157c478bd9Sstevel@tonic-gate if (init_perm || init_drvconf) 6167c478bd9Sstevel@tonic-gate usage(); 6177c478bd9Sstevel@tonic-gate public_mode = 1; 6187c478bd9Sstevel@tonic-gate } 6197c478bd9Sstevel@tonic-gate switch (opt) { 6207c478bd9Sstevel@tonic-gate case 'C': 6217c478bd9Sstevel@tonic-gate cleanup = TRUE; 6227c478bd9Sstevel@tonic-gate break; 6237c478bd9Sstevel@tonic-gate case 'c': 6247c478bd9Sstevel@tonic-gate num_classes++; 6257c478bd9Sstevel@tonic-gate classes = s_realloc(classes, num_classes * 6267c478bd9Sstevel@tonic-gate sizeof (char *)); 6277c478bd9Sstevel@tonic-gate classes[num_classes - 1] = optarg; 6287c478bd9Sstevel@tonic-gate break; 6297c478bd9Sstevel@tonic-gate case 'd': 6307c478bd9Sstevel@tonic-gate if (daemon_mode == FALSE) { 6317c478bd9Sstevel@tonic-gate devalloc_off = TRUE; 6327c478bd9Sstevel@tonic-gate build_dev = FALSE; 6337c478bd9Sstevel@tonic-gate } 6347c478bd9Sstevel@tonic-gate break; 6357c478bd9Sstevel@tonic-gate case 'I': /* update kernel driver.conf cache */ 6367c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 6377c478bd9Sstevel@tonic-gate usage(); 6387c478bd9Sstevel@tonic-gate init_drvconf = 1; 6397c478bd9Sstevel@tonic-gate break; 6407c478bd9Sstevel@tonic-gate case 'i': 6417c478bd9Sstevel@tonic-gate single_drv = TRUE; 6427c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 6437c478bd9Sstevel@tonic-gate break; 6447c478bd9Sstevel@tonic-gate case 'l': 6457c478bd9Sstevel@tonic-gate /* specify an alternate module load path */ 6467c478bd9Sstevel@tonic-gate module_dirs = s_strdup(optarg); 6477c478bd9Sstevel@tonic-gate break; 6487c478bd9Sstevel@tonic-gate case 'n': 6497c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 6507c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 6517c478bd9Sstevel@tonic-gate break; 6527c478bd9Sstevel@tonic-gate case 'p': 6537c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 6547c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 6557c478bd9Sstevel@tonic-gate break; 6567c478bd9Sstevel@tonic-gate case 'P': 6577c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 6587c478bd9Sstevel@tonic-gate usage(); 6597c478bd9Sstevel@tonic-gate /* load minor_perm and device_policy */ 6607c478bd9Sstevel@tonic-gate init_perm = 1; 6617c478bd9Sstevel@tonic-gate break; 6627c478bd9Sstevel@tonic-gate case 'R': 6637c478bd9Sstevel@tonic-gate /* 6647c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 6657c478bd9Sstevel@tonic-gate * device information on the installed root. 6667c478bd9Sstevel@tonic-gate */ 6677c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 6687c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 6697c478bd9Sstevel@tonic-gate break; 6707c478bd9Sstevel@tonic-gate case 'r': 6717c478bd9Sstevel@tonic-gate set_root_devices_dev_dir(optarg, 0); 6727c478bd9Sstevel@tonic-gate break; 6737c478bd9Sstevel@tonic-gate case 's': 6747c478bd9Sstevel@tonic-gate /* 6757c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 6767c478bd9Sstevel@tonic-gate * useful with -v or -V 6777c478bd9Sstevel@tonic-gate */ 6787c478bd9Sstevel@tonic-gate file_mods = FALSE; 6797c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 6807c478bd9Sstevel@tonic-gate break; 6817c478bd9Sstevel@tonic-gate case 't': 6827c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 6837c478bd9Sstevel@tonic-gate break; 6847c478bd9Sstevel@tonic-gate case 'v': 6857c478bd9Sstevel@tonic-gate /* documented verbose flag */ 6867c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 6877c478bd9Sstevel@tonic-gate break; 6887c478bd9Sstevel@tonic-gate case 'V': 6897c478bd9Sstevel@tonic-gate /* undocumented: specify verbose lvl */ 6907c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 6917c478bd9Sstevel@tonic-gate break; 6927c478bd9Sstevel@tonic-gate case 'x': 6937c478bd9Sstevel@tonic-gate /* 6947c478bd9Sstevel@tonic-gate * x is the "private switch" option. The 6957c478bd9Sstevel@tonic-gate * goal is to not suck up all the other 6967c478bd9Sstevel@tonic-gate * option letters. 6977c478bd9Sstevel@tonic-gate */ 6987c478bd9Sstevel@tonic-gate if (strcmp(optarg, "update_devlinksdb") == 0) { 6997c478bd9Sstevel@tonic-gate update_database = TRUE; 7007c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_dev") == 0) { 7017c478bd9Sstevel@tonic-gate /* don't build /dev */ 7027c478bd9Sstevel@tonic-gate build_dev = FALSE; 7037c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_devices") == 0) { 7047c478bd9Sstevel@tonic-gate /* don't build /devices */ 7057c478bd9Sstevel@tonic-gate build_devices = FALSE; 7067c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_p2i") == 0) { 7077c478bd9Sstevel@tonic-gate /* don't flush path_to_inst */ 7087c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 7097c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "use_dicache") == 0) { 7107c478bd9Sstevel@tonic-gate use_snapshot_cache = TRUE; 7117c478bd9Sstevel@tonic-gate } else { 7127c478bd9Sstevel@tonic-gate usage(); 7137c478bd9Sstevel@tonic-gate } 7147c478bd9Sstevel@tonic-gate break; 7157c478bd9Sstevel@tonic-gate case 'z': 7167c478bd9Sstevel@tonic-gate zonename = optarg; 7177c478bd9Sstevel@tonic-gate zoneop = ZONE_REG; 7187c478bd9Sstevel@tonic-gate break; 7197c478bd9Sstevel@tonic-gate case 'Z': 7207c478bd9Sstevel@tonic-gate zonename = optarg; 7217c478bd9Sstevel@tonic-gate zoneop = ZONE_UNREG; 7227c478bd9Sstevel@tonic-gate break; 7237c478bd9Sstevel@tonic-gate default: 7247c478bd9Sstevel@tonic-gate usage(); 7257c478bd9Sstevel@tonic-gate break; 7267c478bd9Sstevel@tonic-gate } 7277c478bd9Sstevel@tonic-gate 7287c478bd9Sstevel@tonic-gate } 7297c478bd9Sstevel@tonic-gate if (optind < argc) { 7307c478bd9Sstevel@tonic-gate usage(); 7317c478bd9Sstevel@tonic-gate } 7327c478bd9Sstevel@tonic-gate 7337c478bd9Sstevel@tonic-gate /* 7347c478bd9Sstevel@tonic-gate * We're not in zone mode; Check to see if the rootpath 7357c478bd9Sstevel@tonic-gate * collides with any zonepaths. 7367c478bd9Sstevel@tonic-gate */ 7377c478bd9Sstevel@tonic-gate if (zonename == NULL) { 7387c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != DEVFSADM_SUCCESS) 7397c478bd9Sstevel@tonic-gate devfsadm_exit(1); 7407c478bd9Sstevel@tonic-gate } 7417c478bd9Sstevel@tonic-gate 7427c478bd9Sstevel@tonic-gate if (zonename != NULL) { 7437c478bd9Sstevel@tonic-gate /* 7447c478bd9Sstevel@tonic-gate * -z and -Z cannot be used if we're the daemon. The 7457c478bd9Sstevel@tonic-gate * daemon always manages all zones. 7467c478bd9Sstevel@tonic-gate */ 7477c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 7487c478bd9Sstevel@tonic-gate usage(); 7497c478bd9Sstevel@tonic-gate 7507c478bd9Sstevel@tonic-gate /* 7517c478bd9Sstevel@tonic-gate * -z and -Z are private flags, but to be paranoid we 7527c478bd9Sstevel@tonic-gate * check whether they have been combined with -r. 7537c478bd9Sstevel@tonic-gate */ 7547c478bd9Sstevel@tonic-gate if (*root_dir != '\0') 7557c478bd9Sstevel@tonic-gate usage(); 7567c478bd9Sstevel@tonic-gate 7577c478bd9Sstevel@tonic-gate if (set_zone_params(optarg) != DEVFSADM_SUCCESS) 7587c478bd9Sstevel@tonic-gate devfsadm_exit(1); 7597c478bd9Sstevel@tonic-gate 7607c478bd9Sstevel@tonic-gate call_zone_register(zonename, zoneop); 7617c478bd9Sstevel@tonic-gate if (zoneop == ZONE_UNREG) 7627c478bd9Sstevel@tonic-gate devfsadm_exit(0); 7637c478bd9Sstevel@tonic-gate /* 7647c478bd9Sstevel@tonic-gate * If we are in ZONE_REG mode we plow on, laying out 7657c478bd9Sstevel@tonic-gate * devices for this zone. 7667c478bd9Sstevel@tonic-gate */ 7677c478bd9Sstevel@tonic-gate } 7687c478bd9Sstevel@tonic-gate if (init_drvconf || init_perm) { 7697c478bd9Sstevel@tonic-gate /* 7707c478bd9Sstevel@tonic-gate * Load minor perm before force-loading drivers 7717c478bd9Sstevel@tonic-gate * so the correct permissions are picked up. 7727c478bd9Sstevel@tonic-gate */ 7737c478bd9Sstevel@tonic-gate if (init_perm) 7747c478bd9Sstevel@tonic-gate load_dev_acl(); 7757c478bd9Sstevel@tonic-gate if (init_drvconf) 7767c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 7777c478bd9Sstevel@tonic-gate devfsadm_exit(0); 7787c478bd9Sstevel@tonic-gate /* NOTREACHED */ 7797c478bd9Sstevel@tonic-gate } 7807c478bd9Sstevel@tonic-gate } 7817c478bd9Sstevel@tonic-gate 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate if (get_linkcompat_opts == TRUE) { 7847c478bd9Sstevel@tonic-gate 7857c478bd9Sstevel@tonic-gate build_devices = FALSE; 7867c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 7877c478bd9Sstevel@tonic-gate num_classes++; 7887c478bd9Sstevel@tonic-gate classes = s_realloc(classes, num_classes * 7897c478bd9Sstevel@tonic-gate sizeof (char *)); 7907c478bd9Sstevel@tonic-gate classes[num_classes - 1] = compat_class; 7917c478bd9Sstevel@tonic-gate 7927c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "Cnr:svV:")) != EOF) { 7937c478bd9Sstevel@tonic-gate switch (opt) { 7947c478bd9Sstevel@tonic-gate case 'C': 7957c478bd9Sstevel@tonic-gate cleanup = TRUE; 7967c478bd9Sstevel@tonic-gate break; 7977c478bd9Sstevel@tonic-gate case 'n': 7987c478bd9Sstevel@tonic-gate /* prevent driver loading or deferred attach */ 7997c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 8007c478bd9Sstevel@tonic-gate break; 8017c478bd9Sstevel@tonic-gate case 'r': 8027c478bd9Sstevel@tonic-gate set_root_devices_dev_dir(optarg, 0); 8037c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 8047c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 8057c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8067c478bd9Sstevel@tonic-gate break; 8077c478bd9Sstevel@tonic-gate case 's': 8087c478bd9Sstevel@tonic-gate /* suppress. don't create/remove links/nodes */ 8097c478bd9Sstevel@tonic-gate /* useful with -v or -V */ 8107c478bd9Sstevel@tonic-gate file_mods = FALSE; 8117c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 8127c478bd9Sstevel@tonic-gate break; 8137c478bd9Sstevel@tonic-gate case 'v': 8147c478bd9Sstevel@tonic-gate /* documented verbose flag */ 8157c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 8167c478bd9Sstevel@tonic-gate break; 8177c478bd9Sstevel@tonic-gate case 'V': 8187c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 8197c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 8207c478bd9Sstevel@tonic-gate break; 8217c478bd9Sstevel@tonic-gate default: 8227c478bd9Sstevel@tonic-gate usage(); 8237c478bd9Sstevel@tonic-gate } 8247c478bd9Sstevel@tonic-gate } 8257c478bd9Sstevel@tonic-gate if (optind < argc) { 8267c478bd9Sstevel@tonic-gate usage(); 8277c478bd9Sstevel@tonic-gate } 8287c478bd9Sstevel@tonic-gate } 8297c478bd9Sstevel@tonic-gate } 8307c478bd9Sstevel@tonic-gate 8317c478bd9Sstevel@tonic-gate void 8327c478bd9Sstevel@tonic-gate usage(void) 8337c478bd9Sstevel@tonic-gate { 8347c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 8357c478bd9Sstevel@tonic-gate err_print(DEVLINKS_USAGE); 8367c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 8377c478bd9Sstevel@tonic-gate err_print(DRVCONFIG_USAGE); 8387c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 8397c478bd9Sstevel@tonic-gate (strcmp(prog, DEVFSADMD) == 0)) { 8407c478bd9Sstevel@tonic-gate err_print(DEVFSADM_USAGE); 8417c478bd9Sstevel@tonic-gate } else { 8427c478bd9Sstevel@tonic-gate err_print(COMPAT_LINK_USAGE); 8437c478bd9Sstevel@tonic-gate } 8447c478bd9Sstevel@tonic-gate 8457c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8467c478bd9Sstevel@tonic-gate } 8477c478bd9Sstevel@tonic-gate 8487c478bd9Sstevel@tonic-gate static void 8497c478bd9Sstevel@tonic-gate devi_tree_walk(struct dca_impl *dcip, int flags, char *ev_subclass) 8507c478bd9Sstevel@tonic-gate { 8517c478bd9Sstevel@tonic-gate char *msg, *name; 8527c478bd9Sstevel@tonic-gate struct mlist mlist = {0}; 8537c478bd9Sstevel@tonic-gate di_node_t node; 8547c478bd9Sstevel@tonic-gate 8557c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "devi_tree_walk: root=%s, minor=%s, driver=%s," 8567c478bd9Sstevel@tonic-gate " error=%d, flags=%u\n", dcip->dci_root, 8577c478bd9Sstevel@tonic-gate dcip->dci_minor ? dcip->dci_minor : "<NULL>", 8587c478bd9Sstevel@tonic-gate dcip->dci_driver ? dcip->dci_driver : "<NULL>", dcip->dci_error, 8597c478bd9Sstevel@tonic-gate dcip->dci_flags); 8607c478bd9Sstevel@tonic-gate 8617c478bd9Sstevel@tonic-gate assert(dcip->dci_root); 8627c478bd9Sstevel@tonic-gate 8637c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_LOAD_DRV) { 8647c478bd9Sstevel@tonic-gate node = di_init_driver(dcip->dci_driver, flags); 8657c478bd9Sstevel@tonic-gate msg = DRIVER_FAILURE; 8667c478bd9Sstevel@tonic-gate name = dcip->dci_driver; 8677c478bd9Sstevel@tonic-gate } else { 8687c478bd9Sstevel@tonic-gate node = di_init(dcip->dci_root, flags); 8697c478bd9Sstevel@tonic-gate msg = DI_INIT_FAILED; 8707c478bd9Sstevel@tonic-gate name = dcip->dci_root; 8717c478bd9Sstevel@tonic-gate } 8727c478bd9Sstevel@tonic-gate 8737c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 8747c478bd9Sstevel@tonic-gate dcip->dci_error = errno; 8757c478bd9Sstevel@tonic-gate /* 8767c478bd9Sstevel@tonic-gate * Rapid hotplugging (commonly seen during USB testing), 8777c478bd9Sstevel@tonic-gate * may remove a device before the create event for it 8787c478bd9Sstevel@tonic-gate * has been processed. To prevent alarming users with 8797c478bd9Sstevel@tonic-gate * a superfluous message, we suppress error messages 8807c478bd9Sstevel@tonic-gate * for ENXIO and hotplug. 8817c478bd9Sstevel@tonic-gate */ 8827c478bd9Sstevel@tonic-gate if (!(errno == ENXIO && (dcip->dci_flags & DCA_HOT_PLUG))) 8837c478bd9Sstevel@tonic-gate err_print(msg, name, strerror(dcip->dci_error)); 8847c478bd9Sstevel@tonic-gate return; 8857c478bd9Sstevel@tonic-gate } 8867c478bd9Sstevel@tonic-gate 8877c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_FLUSH_PATHINST) 8887c478bd9Sstevel@tonic-gate flush_path_to_inst(); 8897c478bd9Sstevel@tonic-gate 8907c478bd9Sstevel@tonic-gate dcip->dci_arg = &mlist; 8917c478bd9Sstevel@tonic-gate 8927c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "walking device tree\n"); 8937c478bd9Sstevel@tonic-gate 8947c478bd9Sstevel@tonic-gate (void) di_walk_minor(node, NULL, DI_CHECK_ALIAS, dcip, 8957c478bd9Sstevel@tonic-gate check_minor_type); 8967c478bd9Sstevel@tonic-gate 8977c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_CREATE_LINK); 8987c478bd9Sstevel@tonic-gate 8997c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 9007c478bd9Sstevel@tonic-gate 9017c478bd9Sstevel@tonic-gate /* 9027c478bd9Sstevel@tonic-gate * Finished creating devfs files and dev links. 9037c478bd9Sstevel@tonic-gate * Log sysevent and notify RCM. 9047c478bd9Sstevel@tonic-gate */ 9057c478bd9Sstevel@tonic-gate if (ev_subclass) 9067c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_ADD, ev_subclass, dcip->dci_root, 9077c478bd9Sstevel@tonic-gate node); 9087c478bd9Sstevel@tonic-gate 9097c478bd9Sstevel@tonic-gate if ((dcip->dci_flags & DCA_NOTIFY_RCM) && rcm_hdl) 9107c478bd9Sstevel@tonic-gate (void) notify_rcm(node, dcip->dci_minor); 9117c478bd9Sstevel@tonic-gate 9127c478bd9Sstevel@tonic-gate di_fini(node); 9137c478bd9Sstevel@tonic-gate } 9147c478bd9Sstevel@tonic-gate 9157c478bd9Sstevel@tonic-gate static void 9167c478bd9Sstevel@tonic-gate process_deferred_links(struct dca_impl *dcip, int flags) 9177c478bd9Sstevel@tonic-gate { 9187c478bd9Sstevel@tonic-gate struct mlist *dep; 9197c478bd9Sstevel@tonic-gate struct minor *mp, *smp; 9207c478bd9Sstevel@tonic-gate 9217c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "processing deferred links\n"); 9227c478bd9Sstevel@tonic-gate 9237c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 9247c478bd9Sstevel@tonic-gate 9257c478bd9Sstevel@tonic-gate /* 9267c478bd9Sstevel@tonic-gate * The list head is not used during the deferred create phase 9277c478bd9Sstevel@tonic-gate */ 9287c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 9297c478bd9Sstevel@tonic-gate 9307c478bd9Sstevel@tonic-gate assert(dep); 9317c478bd9Sstevel@tonic-gate assert((dep->head == NULL) ^ (dep->tail != NULL)); 9327c478bd9Sstevel@tonic-gate assert(flags == DCA_FREE_LIST || flags == DCA_CREATE_LINK); 9337c478bd9Sstevel@tonic-gate 9347c478bd9Sstevel@tonic-gate for (smp = NULL, mp = dep->head; mp; mp = mp->next) { 9357c478bd9Sstevel@tonic-gate if (flags == DCA_CREATE_LINK) 9367c478bd9Sstevel@tonic-gate (void) check_minor_type(mp->node, mp->minor, dcip); 9377c478bd9Sstevel@tonic-gate free(smp); 9387c478bd9Sstevel@tonic-gate smp = mp; 9397c478bd9Sstevel@tonic-gate } 9407c478bd9Sstevel@tonic-gate 9417c478bd9Sstevel@tonic-gate free(smp); 9427c478bd9Sstevel@tonic-gate } 9437c478bd9Sstevel@tonic-gate 9447c478bd9Sstevel@tonic-gate /* 9457c478bd9Sstevel@tonic-gate * Called in non-daemon mode to take a snap shot of the devinfo tree. 9467c478bd9Sstevel@tonic-gate * Then it calls the appropriate functions to build /devices and /dev. 9477c478bd9Sstevel@tonic-gate * It also flushes path_to_inst. 9488c4f8890Srs * DINFOCACHE snapshot needs to be updated when devfsadm is run. 9498c4f8890Srs * This will only happen if the flags that devfsadm uses matches the flags 9508c4f8890Srs * that DINFOCACHE uses and that is why flags is set to 9518c4f8890Srs * DI_CACHE_SNAPSHOT_FLAGS. 9527c478bd9Sstevel@tonic-gate */ 9537c478bd9Sstevel@tonic-gate void 9547c478bd9Sstevel@tonic-gate process_devinfo_tree() 9557c478bd9Sstevel@tonic-gate { 9568c4f8890Srs uint_t flags = DI_CACHE_SNAPSHOT_FLAGS; 9577c478bd9Sstevel@tonic-gate struct dca_impl dci; 9587c478bd9Sstevel@tonic-gate char name[MAXNAMELEN]; 9597c478bd9Sstevel@tonic-gate char *fcn = "process_devinfo_tree: "; 9607c478bd9Sstevel@tonic-gate 9617c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 9627c478bd9Sstevel@tonic-gate 9637c478bd9Sstevel@tonic-gate dca_impl_init("/", NULL, &dci); 9647c478bd9Sstevel@tonic-gate 9657c478bd9Sstevel@tonic-gate lock_dev(); 9667c478bd9Sstevel@tonic-gate 9677c478bd9Sstevel@tonic-gate /* 9687c478bd9Sstevel@tonic-gate * Update kernel driver.conf cache when devfsadm/drvconfig 9697c478bd9Sstevel@tonic-gate * is invoked to build /devices and /dev. 9707c478bd9Sstevel@tonic-gate */ 9717c478bd9Sstevel@tonic-gate if (load_attach_drv == TRUE) 9727c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 9737c478bd9Sstevel@tonic-gate 9747c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 9757c478bd9Sstevel@tonic-gate /* 9767c478bd9Sstevel@tonic-gate * load a single driver, but walk the entire devinfo tree 9777c478bd9Sstevel@tonic-gate */ 9787c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE) 9797c478bd9Sstevel@tonic-gate err_print(DRV_LOAD_REQD); 9807c478bd9Sstevel@tonic-gate 9817c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching driver (%s)\n", fcn, driver); 9827c478bd9Sstevel@tonic-gate 9837c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_LOAD_DRV; 9847c478bd9Sstevel@tonic-gate (void) snprintf(name, sizeof (name), "%s", driver); 9857c478bd9Sstevel@tonic-gate dci.dci_driver = name; 9867c478bd9Sstevel@tonic-gate 9877c478bd9Sstevel@tonic-gate } else if (load_attach_drv == TRUE) { 9887c478bd9Sstevel@tonic-gate /* 9897c478bd9Sstevel@tonic-gate * load and attach all drivers, then walk the entire tree. 9907c478bd9Sstevel@tonic-gate * If the cache flag is set, use DINFOCACHE to get cached 9917c478bd9Sstevel@tonic-gate * data. 9927c478bd9Sstevel@tonic-gate */ 9937c478bd9Sstevel@tonic-gate if (use_snapshot_cache == TRUE) { 9947c478bd9Sstevel@tonic-gate flags = DINFOCACHE; 9957c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%susing snapshot cache\n", fcn); 9967c478bd9Sstevel@tonic-gate } else { 9977c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching all drivers\n", fcn); 9987c478bd9Sstevel@tonic-gate flags |= DINFOFORCE; 9993c34adc5Sramat if (cleanup) { 10003c34adc5Sramat /* 10013c34adc5Sramat * remove dangling entries from /etc/devices 10023c34adc5Sramat * files. 10033c34adc5Sramat */ 10043c34adc5Sramat flags |= DINFOCLEANUP; 10053c34adc5Sramat } 10067c478bd9Sstevel@tonic-gate } 10077c478bd9Sstevel@tonic-gate } 10087c478bd9Sstevel@tonic-gate 10097c478bd9Sstevel@tonic-gate if (((load_attach_drv == TRUE) || (single_drv == TRUE)) && 10107c478bd9Sstevel@tonic-gate (build_devices == TRUE)) { 10117c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_FLUSH_PATHINST; 10127c478bd9Sstevel@tonic-gate } 10137c478bd9Sstevel@tonic-gate 10147c478bd9Sstevel@tonic-gate /* handle pre-cleanup operations desired by the modules. */ 10157c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_PRE); 10167c478bd9Sstevel@tonic-gate 10177c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, flags, NULL); 10187c478bd9Sstevel@tonic-gate 10197c478bd9Sstevel@tonic-gate if (dci.dci_error) { 10207c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10217c478bd9Sstevel@tonic-gate } 10227c478bd9Sstevel@tonic-gate 10237c478bd9Sstevel@tonic-gate /* handle post-cleanup operations desired by the modules. */ 10247c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_POST); 10257c478bd9Sstevel@tonic-gate 10267c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 10277c478bd9Sstevel@tonic-gate } 10287c478bd9Sstevel@tonic-gate 10297c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 10307c478bd9Sstevel@tonic-gate static void 10317c478bd9Sstevel@tonic-gate print_cache_signal(int signo) 10327c478bd9Sstevel@tonic-gate { 10337c478bd9Sstevel@tonic-gate 10347c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 10357c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 10367c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10377c478bd9Sstevel@tonic-gate } 10387c478bd9Sstevel@tonic-gate } 10397c478bd9Sstevel@tonic-gate 10407c478bd9Sstevel@tonic-gate /* 10417c478bd9Sstevel@tonic-gate * Register with eventd for messages. Create doors for synchronous 10427c478bd9Sstevel@tonic-gate * link creation. 10437c478bd9Sstevel@tonic-gate */ 10447c478bd9Sstevel@tonic-gate static void 10457c478bd9Sstevel@tonic-gate daemon_update(void) 10467c478bd9Sstevel@tonic-gate { 10477c478bd9Sstevel@tonic-gate int fd; 10487c478bd9Sstevel@tonic-gate char *fcn = "daemon_update: "; 10497c478bd9Sstevel@tonic-gate char door_file[MAXPATHLEN]; 10507c478bd9Sstevel@tonic-gate const char *subclass_list; 10517c478bd9Sstevel@tonic-gate sysevent_handle_t *sysevent_hp; 10527c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 10537c478bd9Sstevel@tonic-gate 10547c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 10557c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 10567c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10577c478bd9Sstevel@tonic-gate } 10587c478bd9Sstevel@tonic-gate 10597c478bd9Sstevel@tonic-gate if (snprintf(door_file, sizeof (door_file), 10607c478bd9Sstevel@tonic-gate "%s%s", root_dir, DEVFSADM_SERVICE_DOOR) >= sizeof (door_file)) { 10617c478bd9Sstevel@tonic-gate err_print("update_daemon failed to open sysevent service " 10627c478bd9Sstevel@tonic-gate "door\n"); 10637c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10647c478bd9Sstevel@tonic-gate } 10657c478bd9Sstevel@tonic-gate if ((sysevent_hp = sysevent_open_channel_alt( 10667c478bd9Sstevel@tonic-gate door_file)) == NULL) { 10677c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 10687c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 10697c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10707c478bd9Sstevel@tonic-gate } 10717c478bd9Sstevel@tonic-gate if (sysevent_bind_subscriber(sysevent_hp, event_handler) != 0) { 10727c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 10737c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 10747c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 10757c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10767c478bd9Sstevel@tonic-gate } 10777c478bd9Sstevel@tonic-gate subclass_list = EC_SUB_ALL; 10787c478bd9Sstevel@tonic-gate if (sysevent_register_event(sysevent_hp, EC_ALL, &subclass_list, 1) 10797c478bd9Sstevel@tonic-gate != 0) { 10807c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 10817c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 10827c478bd9Sstevel@tonic-gate (void) sysevent_unbind_subscriber(sysevent_hp); 10837c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 10847c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10857c478bd9Sstevel@tonic-gate } 10867c478bd9Sstevel@tonic-gate 10877c478bd9Sstevel@tonic-gate if (snprintf(door_file, sizeof (door_file), 10887c478bd9Sstevel@tonic-gate "%s/%s", dev_dir, ZONE_REG_DOOR) >= sizeof (door_file)) { 10897c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_ZONE_DOOR, door_file, 10907c478bd9Sstevel@tonic-gate strerror(ENAMETOOLONG)); 10917c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10927c478bd9Sstevel@tonic-gate } 10937c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 10947c478bd9Sstevel@tonic-gate if ((fd = open(door_file, O_RDWR | O_CREAT, ZONE_DOOR_PERMS)) == -1) { 10957c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_ZONE_DOOR, door_file, strerror(errno)); 10967c478bd9Sstevel@tonic-gate devfsadm_exit(1); 10977c478bd9Sstevel@tonic-gate } 10987c478bd9Sstevel@tonic-gate (void) close(fd); 10997c478bd9Sstevel@tonic-gate if ((fd = door_create(zone_reg_handler, NULL, 11007c478bd9Sstevel@tonic-gate DOOR_REFUSE_DESC | DOOR_NO_CANCEL)) == -1) { 11017c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_ZONE_DOOR, door_file, strerror(errno)); 11027c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11037c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11047c478bd9Sstevel@tonic-gate } 11057c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 11067c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_ZONE_DOOR, door_file, strerror(errno)); 11077c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11087c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11097c478bd9Sstevel@tonic-gate } 11107c478bd9Sstevel@tonic-gate 11117c478bd9Sstevel@tonic-gate (void) snprintf(door_file, sizeof (door_file), "%s/%s", dev_dir, 11127c478bd9Sstevel@tonic-gate DEVFSADM_SYNCH_DOOR); 11137c478bd9Sstevel@tonic-gate 11147c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11157c478bd9Sstevel@tonic-gate if ((fd = open(door_file, O_RDWR | O_CREAT, SYNCH_DOOR_PERMS)) == -1) { 11167c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 11177c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11187c478bd9Sstevel@tonic-gate } 11197c478bd9Sstevel@tonic-gate (void) close(fd); 11207c478bd9Sstevel@tonic-gate 11217c478bd9Sstevel@tonic-gate if ((fd = door_create(sync_handler, NULL, 11227c478bd9Sstevel@tonic-gate DOOR_REFUSE_DESC | DOOR_NO_CANCEL)) == -1) { 11237c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 11247c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11257c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11267c478bd9Sstevel@tonic-gate } 11277c478bd9Sstevel@tonic-gate 11287c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 11297c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 11307c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 11317c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11327c478bd9Sstevel@tonic-gate } 11337c478bd9Sstevel@tonic-gate devlink_door_fd = fd; 11347c478bd9Sstevel@tonic-gate 11357c478bd9Sstevel@tonic-gate /* 11367c478bd9Sstevel@tonic-gate * Make sure devfsadm is managing any and all configured system zones. 11377c478bd9Sstevel@tonic-gate */ 11387c478bd9Sstevel@tonic-gate if (register_all_zones() != DEVFSADM_SUCCESS) { 11397c478bd9Sstevel@tonic-gate err_print(ZONE_LIST_FAILED, strerror(errno)); 11407c478bd9Sstevel@tonic-gate } 11417c478bd9Sstevel@tonic-gate 11427c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%spausing\n", fcn); 11437c478bd9Sstevel@tonic-gate for (;;) { 11447c478bd9Sstevel@tonic-gate (void) pause(); 11457c478bd9Sstevel@tonic-gate } 11467c478bd9Sstevel@tonic-gate } 11477c478bd9Sstevel@tonic-gate 11487c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 11497c478bd9Sstevel@tonic-gate static void 11507c478bd9Sstevel@tonic-gate sync_handler(void *cookie, char *ap, size_t asize, 11517c478bd9Sstevel@tonic-gate door_desc_t *dp, uint_t ndesc) 11527c478bd9Sstevel@tonic-gate { 11537c478bd9Sstevel@tonic-gate door_cred_t dcred; 11547c478bd9Sstevel@tonic-gate struct dca_off *dcp, rdca; 11557c478bd9Sstevel@tonic-gate struct dca_impl dci; 11567c478bd9Sstevel@tonic-gate 11577c478bd9Sstevel@tonic-gate /* 11587c478bd9Sstevel@tonic-gate * Must be root to make this call 11597c478bd9Sstevel@tonic-gate * If caller is not root, don't touch its data. 11607c478bd9Sstevel@tonic-gate */ 11617c478bd9Sstevel@tonic-gate if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 11627c478bd9Sstevel@tonic-gate dcp = ⤷ 11637c478bd9Sstevel@tonic-gate dcp->dca_error = EPERM; 11647c478bd9Sstevel@tonic-gate goto out; 11657c478bd9Sstevel@tonic-gate } 11667c478bd9Sstevel@tonic-gate 11677c478bd9Sstevel@tonic-gate assert(ap); 11687c478bd9Sstevel@tonic-gate assert(asize == sizeof (*dcp)); 11697c478bd9Sstevel@tonic-gate 11707c478bd9Sstevel@tonic-gate dcp = (void *)ap; 11717c478bd9Sstevel@tonic-gate 11727c478bd9Sstevel@tonic-gate /* 11737c478bd9Sstevel@tonic-gate * Root is always present and is the first component of "name" member 11747c478bd9Sstevel@tonic-gate */ 11757c478bd9Sstevel@tonic-gate assert(dcp->dca_root == 0); 11767c478bd9Sstevel@tonic-gate 11777c478bd9Sstevel@tonic-gate /* 11787c478bd9Sstevel@tonic-gate * The structure passed in by the door_client uses offsets 11797c478bd9Sstevel@tonic-gate * instead of pointers to work across address space boundaries. 11807c478bd9Sstevel@tonic-gate * Now copy the data into a structure (dca_impl) which uses 11817c478bd9Sstevel@tonic-gate * pointers. 11827c478bd9Sstevel@tonic-gate */ 11837c478bd9Sstevel@tonic-gate dci.dci_root = &dcp->dca_name[dcp->dca_root]; 11847c478bd9Sstevel@tonic-gate dci.dci_minor = dcp->dca_minor ? &dcp->dca_name[dcp->dca_minor] : NULL; 11857c478bd9Sstevel@tonic-gate dci.dci_driver = 11867c478bd9Sstevel@tonic-gate dcp->dca_driver ? &dcp->dca_name[dcp->dca_driver] : NULL; 11877c478bd9Sstevel@tonic-gate dci.dci_error = 0; 11887c478bd9Sstevel@tonic-gate dci.dci_flags = dcp->dca_flags | (dci.dci_driver ? DCA_LOAD_DRV : 0); 11897c478bd9Sstevel@tonic-gate dci.dci_arg = NULL; 11907c478bd9Sstevel@tonic-gate 11917c478bd9Sstevel@tonic-gate lock_dev(); 11927c478bd9Sstevel@tonic-gate 11937c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOCPYALL, NULL); 11947c478bd9Sstevel@tonic-gate 11957c478bd9Sstevel@tonic-gate unlock_dev(CACHE_STATE); 11967c478bd9Sstevel@tonic-gate 11977c478bd9Sstevel@tonic-gate dcp->dca_error = dci.dci_error; 11987c478bd9Sstevel@tonic-gate 11997c478bd9Sstevel@tonic-gate startup_cache_sync_thread(); 12007c478bd9Sstevel@tonic-gate 12017c478bd9Sstevel@tonic-gate out: 12027c478bd9Sstevel@tonic-gate (void) door_return((char *)dcp, sizeof (*dcp), NULL, 0); 12037c478bd9Sstevel@tonic-gate } 12047c478bd9Sstevel@tonic-gate 12057c478bd9Sstevel@tonic-gate static void 12067c478bd9Sstevel@tonic-gate lock_dev(void) 12077c478bd9Sstevel@tonic-gate { 12087c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "lock_dev(): entered\n"); 12097c478bd9Sstevel@tonic-gate 12107c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 12117c478bd9Sstevel@tonic-gate return; 12127c478bd9Sstevel@tonic-gate 12137c478bd9Sstevel@tonic-gate /* lockout other threads from /dev */ 12147c478bd9Sstevel@tonic-gate while (sema_wait(&dev_sema) != 0); 12157c478bd9Sstevel@tonic-gate 12167c478bd9Sstevel@tonic-gate /* 12177c478bd9Sstevel@tonic-gate * Lock out other devfsadm processes from /dev. 12187c478bd9Sstevel@tonic-gate * If this wasn't the last process to run, 12197c478bd9Sstevel@tonic-gate * clear caches 12207c478bd9Sstevel@tonic-gate */ 12217c478bd9Sstevel@tonic-gate if (enter_dev_lock() != getpid()) { 12227c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 12237c478bd9Sstevel@tonic-gate rm_all_links_from_cache(); 12247c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, DI_LINK_ERROR); 12257c478bd9Sstevel@tonic-gate devlink_cache = NULL; 12267c478bd9Sstevel@tonic-gate } 12277c478bd9Sstevel@tonic-gate 12287c478bd9Sstevel@tonic-gate /* 12297c478bd9Sstevel@tonic-gate * (re)load the reverse links database if not 12307c478bd9Sstevel@tonic-gate * already cached. 12317c478bd9Sstevel@tonic-gate */ 12327c478bd9Sstevel@tonic-gate if (devlink_cache == NULL) 12337c478bd9Sstevel@tonic-gate devlink_cache = di_devlink_open(root_dir, 0); 12347c478bd9Sstevel@tonic-gate 12357c478bd9Sstevel@tonic-gate 12367c478bd9Sstevel@tonic-gate /* 12377c478bd9Sstevel@tonic-gate * If modules were unloaded, reload them. Also use module status 12387c478bd9Sstevel@tonic-gate * as an indication that we should check to see if other binding 12397c478bd9Sstevel@tonic-gate * files need to be reloaded. 12407c478bd9Sstevel@tonic-gate */ 12417c478bd9Sstevel@tonic-gate if (module_head == NULL) { 12427c478bd9Sstevel@tonic-gate load_modules(); 12437c478bd9Sstevel@tonic-gate read_minor_perm_file(); 12447c478bd9Sstevel@tonic-gate read_driver_aliases_file(); 12457c478bd9Sstevel@tonic-gate read_devlinktab_file(); 12467c478bd9Sstevel@tonic-gate read_logindevperm_file(); 12477c478bd9Sstevel@tonic-gate } 12487c478bd9Sstevel@tonic-gate 12497c478bd9Sstevel@tonic-gate if (module_head != NULL) 12507c478bd9Sstevel@tonic-gate return; 12517c478bd9Sstevel@tonic-gate 12527c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 12537c478bd9Sstevel@tonic-gate if (devlinktab_list == NULL) { 12547c478bd9Sstevel@tonic-gate err_print(NO_LINKTAB, devlinktab_file); 12557c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 12567c478bd9Sstevel@tonic-gate err_print(ABORTING); 12577c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12587c478bd9Sstevel@tonic-gate } 12597c478bd9Sstevel@tonic-gate } else { 12607c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 12617c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADM) == 0) { 12627c478bd9Sstevel@tonic-gate err_print(MODIFY_PATH); 12637c478bd9Sstevel@tonic-gate } 12647c478bd9Sstevel@tonic-gate } 12657c478bd9Sstevel@tonic-gate } 12667c478bd9Sstevel@tonic-gate 12677c478bd9Sstevel@tonic-gate static void 12687c478bd9Sstevel@tonic-gate unlock_dev(int flag) 12697c478bd9Sstevel@tonic-gate { 12707c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "unlock_dev(): entered\n"); 12717c478bd9Sstevel@tonic-gate 12727c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 12737c478bd9Sstevel@tonic-gate return; 12747c478bd9Sstevel@tonic-gate 12757c478bd9Sstevel@tonic-gate assert(devlink_cache); 12767c478bd9Sstevel@tonic-gate assert(flag == SYNC_STATE || flag == CACHE_STATE); 12777c478bd9Sstevel@tonic-gate 12787c478bd9Sstevel@tonic-gate 12797c478bd9Sstevel@tonic-gate if (flag == SYNC_STATE) { 12807c478bd9Sstevel@tonic-gate unload_modules(); 12817c478bd9Sstevel@tonic-gate if (update_database) 12827c478bd9Sstevel@tonic-gate (void) di_devlink_update(devlink_cache); 12837c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 12847c478bd9Sstevel@tonic-gate devlink_cache = NULL; 12857c478bd9Sstevel@tonic-gate } 12867c478bd9Sstevel@tonic-gate 12877c478bd9Sstevel@tonic-gate exit_dev_lock(); 12887c478bd9Sstevel@tonic-gate 12897c478bd9Sstevel@tonic-gate (void) sema_post(&dev_sema); 12907c478bd9Sstevel@tonic-gate } 12917c478bd9Sstevel@tonic-gate 12927c478bd9Sstevel@tonic-gate /* 12937c478bd9Sstevel@tonic-gate * Contact the daemon to register the identified zone. We do everything with 12947c478bd9Sstevel@tonic-gate * zone names, for simplicity. 12957c478bd9Sstevel@tonic-gate */ 12967c478bd9Sstevel@tonic-gate static void 12977c478bd9Sstevel@tonic-gate call_zone_register(char *zone_name, int regop) 12987c478bd9Sstevel@tonic-gate { 12997c478bd9Sstevel@tonic-gate int doorfd, ret, retries = 0; 13007c478bd9Sstevel@tonic-gate door_arg_t arg; 13017c478bd9Sstevel@tonic-gate struct zreg z; 13027c478bd9Sstevel@tonic-gate char path[MAXPATHLEN]; 13037c478bd9Sstevel@tonic-gate 13047c478bd9Sstevel@tonic-gate assert(regop == ZONE_REG || regop == ZONE_UNREG); 13057c478bd9Sstevel@tonic-gate 13067c478bd9Sstevel@tonic-gate if (strcmp(zone_name, GLOBAL_ZONENAME) == 0) { 13077c478bd9Sstevel@tonic-gate err_print(INVALID_ZONE, zone_name); 13087c478bd9Sstevel@tonic-gate return; 13097c478bd9Sstevel@tonic-gate } 13107c478bd9Sstevel@tonic-gate 13117c478bd9Sstevel@tonic-gate z.zreg_error = 0; 13127c478bd9Sstevel@tonic-gate z.zreg_op = regop; 13137c478bd9Sstevel@tonic-gate (void) strlcpy(z.zreg_zonename, zone_name, ZONENAME_MAX); 13147c478bd9Sstevel@tonic-gate 13157c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "/dev/%s", ZONE_REG_DOOR); 13167c478bd9Sstevel@tonic-gate if ((doorfd = open(path, O_RDWR)) == -1) { 13177c478bd9Sstevel@tonic-gate return; 13187c478bd9Sstevel@tonic-gate } 13197c478bd9Sstevel@tonic-gate 13207c478bd9Sstevel@tonic-gate bzero(&arg, sizeof (arg)); 13217c478bd9Sstevel@tonic-gate arg.data_ptr = (char *)&z; 13227c478bd9Sstevel@tonic-gate arg.data_size = sizeof (z); 13237c478bd9Sstevel@tonic-gate arg.rbuf = (char *)&z; 13247c478bd9Sstevel@tonic-gate arg.rsize = sizeof (z); 13257c478bd9Sstevel@tonic-gate 13267c478bd9Sstevel@tonic-gate /* 13277c478bd9Sstevel@tonic-gate * If the daemon is running, tell it about the zone. If not, it's 13287c478bd9Sstevel@tonic-gate * ok. When it next gets run by the system (because there is 13297c478bd9Sstevel@tonic-gate * device-related work to do), it will load the list of zones from 13307c478bd9Sstevel@tonic-gate * the kernel. 13317c478bd9Sstevel@tonic-gate */ 13327c478bd9Sstevel@tonic-gate while (((ret = door_call(doorfd, &arg)) == -1) && retries++ < 3) { 13337c478bd9Sstevel@tonic-gate (void) sleep(retries); 13347c478bd9Sstevel@tonic-gate } 13357c478bd9Sstevel@tonic-gate (void) close(doorfd); 13367c478bd9Sstevel@tonic-gate 13377c478bd9Sstevel@tonic-gate if (ret != 0) { 13387c478bd9Sstevel@tonic-gate return; 13397c478bd9Sstevel@tonic-gate } 13407c478bd9Sstevel@tonic-gate 13417c478bd9Sstevel@tonic-gate switch (z.zreg_error) { 13427c478bd9Sstevel@tonic-gate case ZONE_SUCCESS: 13437c478bd9Sstevel@tonic-gate break; 13447c478bd9Sstevel@tonic-gate case ZONE_ERR_NOZONE: 13457c478bd9Sstevel@tonic-gate err_print(ZONE_REG_FAILED, zone_name, strerror(z.zreg_errno)); 13467c478bd9Sstevel@tonic-gate break; 13477c478bd9Sstevel@tonic-gate case ZONE_ERR_DOOR: 13487c478bd9Sstevel@tonic-gate err_print(ZONE_DOOR_MKFAIL, zone_name, strerror(z.zreg_errno)); 13497c478bd9Sstevel@tonic-gate break; 13507c478bd9Sstevel@tonic-gate case ZONE_ERR_REPOSITORY: 13517c478bd9Sstevel@tonic-gate err_print(ZONE_REP_FAILED, zone_name, strerror(z.zreg_errno)); 13527c478bd9Sstevel@tonic-gate break; 13537c478bd9Sstevel@tonic-gate case ZONE_ERR_NOLIB: 13547c478bd9Sstevel@tonic-gate err_print(ZONE_LIB_MISSING); 13557c478bd9Sstevel@tonic-gate break; 13567c478bd9Sstevel@tonic-gate default: 13577c478bd9Sstevel@tonic-gate err_print(ZONE_REG_FAILED, zone_name, strerror(z.zreg_errno)); 13587c478bd9Sstevel@tonic-gate break; 13597c478bd9Sstevel@tonic-gate } 13607c478bd9Sstevel@tonic-gate } 13617c478bd9Sstevel@tonic-gate 13627c478bd9Sstevel@tonic-gate /* 13637c478bd9Sstevel@tonic-gate * The following routines are the daemon-side code for managing the set of 13647c478bd9Sstevel@tonic-gate * currently registered zones. 13657c478bd9Sstevel@tonic-gate * 13667c478bd9Sstevel@tonic-gate * TODO: improve brain-dead list performance--- use libuutil avl tree or hash? 13677c478bd9Sstevel@tonic-gate */ 13687c478bd9Sstevel@tonic-gate static void 13697c478bd9Sstevel@tonic-gate zlist_insert(struct zone_devinfo *newzone) 13707c478bd9Sstevel@tonic-gate { 13717c478bd9Sstevel@tonic-gate struct zone_devinfo *z; 13727c478bd9Sstevel@tonic-gate assert(MUTEX_HELD(&zone_mutex)); 13737c478bd9Sstevel@tonic-gate 13747c478bd9Sstevel@tonic-gate if (zone_head == NULL) { 13757c478bd9Sstevel@tonic-gate zone_head = newzone; 13767c478bd9Sstevel@tonic-gate return; 13777c478bd9Sstevel@tonic-gate } 13787c478bd9Sstevel@tonic-gate z = zlist_remove(newzone->zone_name); 13797c478bd9Sstevel@tonic-gate if (z != NULL) 13807c478bd9Sstevel@tonic-gate delete_zone(z); 13817c478bd9Sstevel@tonic-gate newzone->zone_next = zone_head; 13827c478bd9Sstevel@tonic-gate zone_head = newzone; 13837c478bd9Sstevel@tonic-gate } 13847c478bd9Sstevel@tonic-gate 13857c478bd9Sstevel@tonic-gate static void 13867c478bd9Sstevel@tonic-gate delete_zone(struct zone_devinfo *z) { 13877c478bd9Sstevel@tonic-gate char door_file[PATH_MAX]; 13887c478bd9Sstevel@tonic-gate 13897c478bd9Sstevel@tonic-gate /* 13907c478bd9Sstevel@tonic-gate * Tidy up by withdrawing our door from the zone. 13917c478bd9Sstevel@tonic-gate */ 13927c478bd9Sstevel@tonic-gate (void) snprintf(door_file, sizeof (door_file), "%s/dev/%s", 13937c478bd9Sstevel@tonic-gate z->zone_path, DEVFSADM_SYNCH_DOOR); 13947c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 13957c478bd9Sstevel@tonic-gate 13967c478bd9Sstevel@tonic-gate zonecfg_fini_handle(z->zone_dochdl); 13977c478bd9Sstevel@tonic-gate free(z->zone_path); 13987c478bd9Sstevel@tonic-gate free(z->zone_name); 13997c478bd9Sstevel@tonic-gate free(z); 14007c478bd9Sstevel@tonic-gate } 14017c478bd9Sstevel@tonic-gate 14027c478bd9Sstevel@tonic-gate static struct zone_devinfo * 14037c478bd9Sstevel@tonic-gate zlist_remove(char *zone_name) 14047c478bd9Sstevel@tonic-gate { 14057c478bd9Sstevel@tonic-gate struct zone_devinfo *z, *unlinked = NULL, **prevnextp; 14067c478bd9Sstevel@tonic-gate assert(MUTEX_HELD(&zone_mutex)); 14077c478bd9Sstevel@tonic-gate 14087c478bd9Sstevel@tonic-gate prevnextp = &zone_head; 14097c478bd9Sstevel@tonic-gate for (z = zone_head; z != NULL; z = z->zone_next) { 14107c478bd9Sstevel@tonic-gate if (strcmp(zone_name, z->zone_name) == 0) { 14117c478bd9Sstevel@tonic-gate unlinked = z; 14127c478bd9Sstevel@tonic-gate *prevnextp = z->zone_next; 14137c478bd9Sstevel@tonic-gate return (unlinked); 14147c478bd9Sstevel@tonic-gate } 14157c478bd9Sstevel@tonic-gate prevnextp = &(z->zone_next); 14167c478bd9Sstevel@tonic-gate } 14177c478bd9Sstevel@tonic-gate return (NULL); 14187c478bd9Sstevel@tonic-gate } 14197c478bd9Sstevel@tonic-gate 14207c478bd9Sstevel@tonic-gate /* 14217c478bd9Sstevel@tonic-gate * Delete all zones. Note that this should *only* be called in the exit 14227c478bd9Sstevel@tonic-gate * path of the daemon, as it does not take the zone_mutex-- this is because 14237c478bd9Sstevel@tonic-gate * we could wind up calling devfsadm_exit() with that zone_mutex_held. 14247c478bd9Sstevel@tonic-gate */ 14257c478bd9Sstevel@tonic-gate static void 14267c478bd9Sstevel@tonic-gate zlist_deleteall_unlocked(void) 14277c478bd9Sstevel@tonic-gate { 14287c478bd9Sstevel@tonic-gate struct zone_devinfo *tofree; 14297c478bd9Sstevel@tonic-gate 14307c478bd9Sstevel@tonic-gate while (zone_head != NULL) { 14317c478bd9Sstevel@tonic-gate tofree = zone_head; 14327c478bd9Sstevel@tonic-gate zone_head = zone_head->zone_next; 14337c478bd9Sstevel@tonic-gate delete_zone(tofree); 14347c478bd9Sstevel@tonic-gate } 14357c478bd9Sstevel@tonic-gate assert(zone_head == NULL); 14367c478bd9Sstevel@tonic-gate } 14377c478bd9Sstevel@tonic-gate 14387c478bd9Sstevel@tonic-gate static int 14397c478bd9Sstevel@tonic-gate zone_register(char *zone_name) 14407c478bd9Sstevel@tonic-gate { 14417c478bd9Sstevel@tonic-gate char door_file[MAXPATHLEN], zpath[MAXPATHLEN]; 14427c478bd9Sstevel@tonic-gate int fd; 14437c478bd9Sstevel@tonic-gate int need_unlink = 0, error = ZONE_SUCCESS, myerrno = 0; 14447c478bd9Sstevel@tonic-gate zone_dochandle_t hdl = NULL; 14457c478bd9Sstevel@tonic-gate void *dlhdl = NULL; 14467c478bd9Sstevel@tonic-gate struct zone_devinfo *newzone = NULL; 14477c478bd9Sstevel@tonic-gate 14487c478bd9Sstevel@tonic-gate assert(MUTEX_HELD(&zone_mutex)); 14497c478bd9Sstevel@tonic-gate 14507c478bd9Sstevel@tonic-gate if ((dlhdl = dlopen(LIBZONECFG_PATH, RTLD_LAZY)) == NULL) { 14517c478bd9Sstevel@tonic-gate error = ZONE_ERR_NOLIB; 14527c478bd9Sstevel@tonic-gate goto bad; 14537c478bd9Sstevel@tonic-gate } 14547c478bd9Sstevel@tonic-gate 14557c478bd9Sstevel@tonic-gate if (zone_get_zonepath(zone_name, zpath, sizeof (zpath)) != Z_OK) { 14567c478bd9Sstevel@tonic-gate error = ZONE_ERR_NOZONE; 14577c478bd9Sstevel@tonic-gate myerrno = errno; 14587c478bd9Sstevel@tonic-gate goto bad; 14597c478bd9Sstevel@tonic-gate } 14607c478bd9Sstevel@tonic-gate 14617c478bd9Sstevel@tonic-gate if (snprintf(door_file, sizeof (door_file), "%s/dev/%s", 14627c478bd9Sstevel@tonic-gate zpath, DEVFSADM_SYNCH_DOOR) >= sizeof (door_file)) { 14637c478bd9Sstevel@tonic-gate myerrno = ENAMETOOLONG; /* synthesize a reasonable errno */ 14647c478bd9Sstevel@tonic-gate error = ZONE_ERR_DOOR; 14657c478bd9Sstevel@tonic-gate goto bad; 14667c478bd9Sstevel@tonic-gate } 14677c478bd9Sstevel@tonic-gate 14687c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 14697c478bd9Sstevel@tonic-gate if ((fd = open(door_file, O_RDWR | O_CREAT, ZONE_DOOR_PERMS)) == -1) { 14707c478bd9Sstevel@tonic-gate myerrno = errno; 14717c478bd9Sstevel@tonic-gate error = ZONE_ERR_DOOR; 14727c478bd9Sstevel@tonic-gate goto bad; 14737c478bd9Sstevel@tonic-gate } 14747c478bd9Sstevel@tonic-gate need_unlink = 1; 14757c478bd9Sstevel@tonic-gate (void) close(fd); 14767c478bd9Sstevel@tonic-gate 14777c478bd9Sstevel@tonic-gate if (fattach(devlink_door_fd, door_file) == -1) { 14787c478bd9Sstevel@tonic-gate error = ZONE_ERR_DOOR; 14797c478bd9Sstevel@tonic-gate myerrno = errno; 14807c478bd9Sstevel@tonic-gate goto bad; 14817c478bd9Sstevel@tonic-gate } 14827c478bd9Sstevel@tonic-gate 14837c478bd9Sstevel@tonic-gate if ((hdl = zonecfg_init_handle()) == NULL) { 14847c478bd9Sstevel@tonic-gate error = ZONE_ERR_REPOSITORY; 14857c478bd9Sstevel@tonic-gate myerrno = errno; 14867c478bd9Sstevel@tonic-gate goto bad; 14877c478bd9Sstevel@tonic-gate } 14887c478bd9Sstevel@tonic-gate 14897c478bd9Sstevel@tonic-gate if ((zonecfg_get_snapshot_handle(zone_name, hdl)) != Z_OK) { 14907c478bd9Sstevel@tonic-gate error = ZONE_ERR_REPOSITORY; 14917c478bd9Sstevel@tonic-gate myerrno = errno; 14927c478bd9Sstevel@tonic-gate goto bad; 14937c478bd9Sstevel@tonic-gate } 14947c478bd9Sstevel@tonic-gate 14957c478bd9Sstevel@tonic-gate newzone = s_malloc(sizeof (struct zone_devinfo)); 14967c478bd9Sstevel@tonic-gate newzone->zone_path = s_strdup(zpath); 14977c478bd9Sstevel@tonic-gate newzone->zone_name = s_strdup(zone_name); 14987c478bd9Sstevel@tonic-gate newzone->zone_next = NULL; 14997c478bd9Sstevel@tonic-gate newzone->zone_dochdl = hdl; 15007c478bd9Sstevel@tonic-gate zlist_insert(newzone); 15017c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 15027c478bd9Sstevel@tonic-gate 15037c478bd9Sstevel@tonic-gate return (ZONE_SUCCESS); 15047c478bd9Sstevel@tonic-gate 15057c478bd9Sstevel@tonic-gate bad: 15067c478bd9Sstevel@tonic-gate (void) devfsadm_errprint("%s[%ld]: failed to register zone %s: %s", 15077c478bd9Sstevel@tonic-gate prog, getpid(), zone_name, strerror(myerrno)); 15087c478bd9Sstevel@tonic-gate 15097c478bd9Sstevel@tonic-gate assert(newzone == NULL); 15107c478bd9Sstevel@tonic-gate if (need_unlink) 15117c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 15127c478bd9Sstevel@tonic-gate if (hdl) 15137c478bd9Sstevel@tonic-gate zonecfg_fini_handle(hdl); 15147c478bd9Sstevel@tonic-gate if (dlhdl) 15157c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 15167c478bd9Sstevel@tonic-gate errno = myerrno; 15177c478bd9Sstevel@tonic-gate return (error); 15187c478bd9Sstevel@tonic-gate } 15197c478bd9Sstevel@tonic-gate 15207c478bd9Sstevel@tonic-gate static int 15217c478bd9Sstevel@tonic-gate zone_unregister(char *zone_name) 15227c478bd9Sstevel@tonic-gate { 15237c478bd9Sstevel@tonic-gate struct zone_devinfo *z; 15247c478bd9Sstevel@tonic-gate 15257c478bd9Sstevel@tonic-gate assert(MUTEX_HELD(&zone_mutex)); 15267c478bd9Sstevel@tonic-gate 15277c478bd9Sstevel@tonic-gate if ((z = zlist_remove(zone_name)) == NULL) 15287c478bd9Sstevel@tonic-gate return (ZONE_ERR_NOZONE); 15297c478bd9Sstevel@tonic-gate 15307c478bd9Sstevel@tonic-gate delete_zone(z); 15317c478bd9Sstevel@tonic-gate return (ZONE_SUCCESS); 15327c478bd9Sstevel@tonic-gate } 15337c478bd9Sstevel@tonic-gate 15347c478bd9Sstevel@tonic-gate /* 15357c478bd9Sstevel@tonic-gate * Called by the daemon when it receives a door call to the zone registration 15367c478bd9Sstevel@tonic-gate * door. 15377c478bd9Sstevel@tonic-gate */ 15387c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 15397c478bd9Sstevel@tonic-gate static void 15407c478bd9Sstevel@tonic-gate zone_reg_handler(void *cookie, char *ap, size_t asize, door_desc_t *dp, 15417c478bd9Sstevel@tonic-gate uint_t ndesc) 15427c478bd9Sstevel@tonic-gate { 15437c478bd9Sstevel@tonic-gate door_cred_t dcred; 15447c478bd9Sstevel@tonic-gate struct zreg *zregp, rzreg; 15457c478bd9Sstevel@tonic-gate 15467c478bd9Sstevel@tonic-gate /* 15477c478bd9Sstevel@tonic-gate * We coarsely lock the whole registration process. 15487c478bd9Sstevel@tonic-gate */ 15497c478bd9Sstevel@tonic-gate (void) mutex_lock(&zone_mutex); 15507c478bd9Sstevel@tonic-gate 15517c478bd9Sstevel@tonic-gate /* 15527c478bd9Sstevel@tonic-gate * Must be root to make this call 15537c478bd9Sstevel@tonic-gate * If caller is not root, don't touch its data. 15547c478bd9Sstevel@tonic-gate */ 15557c478bd9Sstevel@tonic-gate if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 15567c478bd9Sstevel@tonic-gate zregp = &rzreg; 15577c478bd9Sstevel@tonic-gate zregp->zreg_error = ZONE_ERR_REPOSITORY; 15587c478bd9Sstevel@tonic-gate zregp->zreg_errno = EPERM; 15597c478bd9Sstevel@tonic-gate goto out; 15607c478bd9Sstevel@tonic-gate } 15617c478bd9Sstevel@tonic-gate 15627c478bd9Sstevel@tonic-gate assert(ap); 15637c478bd9Sstevel@tonic-gate assert(asize == sizeof (*zregp)); 15647c478bd9Sstevel@tonic-gate 15657c478bd9Sstevel@tonic-gate zregp = (struct zreg *)(void *)ap; 15667c478bd9Sstevel@tonic-gate 15677c478bd9Sstevel@tonic-gate /* 15687c478bd9Sstevel@tonic-gate * Kernel must know about this zone; one way of discovering this 15697c478bd9Sstevel@tonic-gate * is by looking up the zone id. 15707c478bd9Sstevel@tonic-gate */ 15717c478bd9Sstevel@tonic-gate if (getzoneidbyname(zregp->zreg_zonename) == -1) { 15727c478bd9Sstevel@tonic-gate zregp->zreg_error = ZONE_ERR_REPOSITORY; 15737c478bd9Sstevel@tonic-gate zregp->zreg_errno = errno; 15747c478bd9Sstevel@tonic-gate goto out; 15757c478bd9Sstevel@tonic-gate } 15767c478bd9Sstevel@tonic-gate 15777c478bd9Sstevel@tonic-gate if (zregp->zreg_op == ZONE_REG) { 15787c478bd9Sstevel@tonic-gate zregp->zreg_error = zone_register(zregp->zreg_zonename); 15797c478bd9Sstevel@tonic-gate zregp->zreg_errno = errno; 15807c478bd9Sstevel@tonic-gate } else { 15817c478bd9Sstevel@tonic-gate zregp->zreg_error = zone_unregister(zregp->zreg_zonename); 15827c478bd9Sstevel@tonic-gate zregp->zreg_errno = errno; 15837c478bd9Sstevel@tonic-gate } 15847c478bd9Sstevel@tonic-gate 15857c478bd9Sstevel@tonic-gate out: 15867c478bd9Sstevel@tonic-gate (void) mutex_unlock(&zone_mutex); 15877c478bd9Sstevel@tonic-gate (void) door_return((char *)zregp, sizeof (*zregp), NULL, 0); 15887c478bd9Sstevel@tonic-gate } 15897c478bd9Sstevel@tonic-gate 15907c478bd9Sstevel@tonic-gate static int 15917c478bd9Sstevel@tonic-gate register_all_zones(void) 15927c478bd9Sstevel@tonic-gate { 15937c478bd9Sstevel@tonic-gate zoneid_t *zids = NULL; 15947c478bd9Sstevel@tonic-gate uint_t nzents, nzents_saved; 15957c478bd9Sstevel@tonic-gate int i; 15967c478bd9Sstevel@tonic-gate 15977c478bd9Sstevel@tonic-gate (void) mutex_lock(&zone_mutex); 15987c478bd9Sstevel@tonic-gate if (zone_list(NULL, &nzents) != 0) 15997c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 16007c478bd9Sstevel@tonic-gate 16017c478bd9Sstevel@tonic-gate again: 16027c478bd9Sstevel@tonic-gate assert(zids == NULL); 16037c478bd9Sstevel@tonic-gate assert(MUTEX_HELD(&zone_mutex)); 16047c478bd9Sstevel@tonic-gate if (nzents == 0) { 16057c478bd9Sstevel@tonic-gate (void) mutex_unlock(&zone_mutex); 16067c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 16077c478bd9Sstevel@tonic-gate } 16087c478bd9Sstevel@tonic-gate zids = s_zalloc(nzents * sizeof (zoneid_t)); 16097c478bd9Sstevel@tonic-gate nzents_saved = nzents; 16107c478bd9Sstevel@tonic-gate if (zone_list(zids, &nzents) != 0) { 16117c478bd9Sstevel@tonic-gate (void) mutex_unlock(&zone_mutex); 16127c478bd9Sstevel@tonic-gate free(zids); 16137c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 16147c478bd9Sstevel@tonic-gate } 16157c478bd9Sstevel@tonic-gate if (nzents != nzents_saved) { 16167c478bd9Sstevel@tonic-gate /* list changed, try again */ 16177c478bd9Sstevel@tonic-gate free(zids); 16187c478bd9Sstevel@tonic-gate zids = NULL; 16197c478bd9Sstevel@tonic-gate goto again; 16207c478bd9Sstevel@tonic-gate } 16217c478bd9Sstevel@tonic-gate 16227c478bd9Sstevel@tonic-gate assert(zids != NULL); 16237c478bd9Sstevel@tonic-gate for (i = 0; i < nzents; i++) { 16247c478bd9Sstevel@tonic-gate char name[ZONENAME_MAX]; 16257c478bd9Sstevel@tonic-gate 16267c478bd9Sstevel@tonic-gate if (zids[i] == GLOBAL_ZONEID) 16277c478bd9Sstevel@tonic-gate continue; 16287c478bd9Sstevel@tonic-gate if (getzonenamebyid(zids[i], name, sizeof (name)) >= 0) 16297c478bd9Sstevel@tonic-gate (void) zone_register(name); 16307c478bd9Sstevel@tonic-gate } 16317c478bd9Sstevel@tonic-gate 16327c478bd9Sstevel@tonic-gate (void) mutex_unlock(&zone_mutex); 16337c478bd9Sstevel@tonic-gate free(zids); 16347c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 16357c478bd9Sstevel@tonic-gate } 16367c478bd9Sstevel@tonic-gate 16377c478bd9Sstevel@tonic-gate /* 16387c478bd9Sstevel@tonic-gate * Check that if -r is set, it is not any part of a zone--- that is, that 16397c478bd9Sstevel@tonic-gate * the zonepath is not a substring of the root path. 16407c478bd9Sstevel@tonic-gate */ 16417c478bd9Sstevel@tonic-gate static int 16427c478bd9Sstevel@tonic-gate zone_pathcheck(char *checkpath) 16437c478bd9Sstevel@tonic-gate { 16447c478bd9Sstevel@tonic-gate void *dlhdl = NULL; 16457c478bd9Sstevel@tonic-gate char *name; 16467c478bd9Sstevel@tonic-gate char root[MAXPATHLEN]; /* resolved devfsadm root path */ 16477c478bd9Sstevel@tonic-gate char zroot[MAXPATHLEN]; /* zone root path */ 16487c478bd9Sstevel@tonic-gate char rzroot[MAXPATHLEN]; /* resolved zone root path */ 16497c478bd9Sstevel@tonic-gate char tmp[MAXPATHLEN]; 16507c478bd9Sstevel@tonic-gate FILE *cookie; 16517c478bd9Sstevel@tonic-gate int err = DEVFSADM_SUCCESS; 16527c478bd9Sstevel@tonic-gate 16537c478bd9Sstevel@tonic-gate if (checkpath[0] == '\0') 16547c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 16557c478bd9Sstevel@tonic-gate 16567c478bd9Sstevel@tonic-gate /* 16577c478bd9Sstevel@tonic-gate * Check if zones is available on this system. 16587c478bd9Sstevel@tonic-gate */ 16597c478bd9Sstevel@tonic-gate if ((dlhdl = dlopen(LIBZONECFG_PATH, RTLD_LAZY)) == NULL) { 16607c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 16617c478bd9Sstevel@tonic-gate } 16627c478bd9Sstevel@tonic-gate 16637c478bd9Sstevel@tonic-gate bzero(root, sizeof (root)); 16647c478bd9Sstevel@tonic-gate if (resolvepath(checkpath, root, sizeof (root) - 1) == -1) { 16657c478bd9Sstevel@tonic-gate /* 16667c478bd9Sstevel@tonic-gate * In this case the user has done 'devfsadm -r' on some path 16677c478bd9Sstevel@tonic-gate * which does not yet exist, or we got some other misc. error. 16687c478bd9Sstevel@tonic-gate * We punt and don't resolve the path in this case. 16697c478bd9Sstevel@tonic-gate */ 16707c478bd9Sstevel@tonic-gate (void) strlcpy(root, checkpath, sizeof (root)); 16717c478bd9Sstevel@tonic-gate } 16727c478bd9Sstevel@tonic-gate 16737c478bd9Sstevel@tonic-gate if (strlen(root) > 0 && (root[strlen(root) - 1] != '/')) { 16747c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", root); 16757c478bd9Sstevel@tonic-gate (void) strlcpy(root, tmp, sizeof (root)); 16767c478bd9Sstevel@tonic-gate } 16777c478bd9Sstevel@tonic-gate 16787c478bd9Sstevel@tonic-gate cookie = setzoneent(); 16797c478bd9Sstevel@tonic-gate while ((name = getzoneent(cookie)) != NULL) { 16807c478bd9Sstevel@tonic-gate /* Skip the global zone */ 16817c478bd9Sstevel@tonic-gate if (strcmp(name, GLOBAL_ZONENAME) == 0) { 16827c478bd9Sstevel@tonic-gate free(name); 16837c478bd9Sstevel@tonic-gate continue; 16847c478bd9Sstevel@tonic-gate } 16857c478bd9Sstevel@tonic-gate 16867c478bd9Sstevel@tonic-gate if (zone_get_zonepath(name, zroot, sizeof (zroot)) != Z_OK) { 16877c478bd9Sstevel@tonic-gate free(name); 16887c478bd9Sstevel@tonic-gate continue; 16897c478bd9Sstevel@tonic-gate } 16907c478bd9Sstevel@tonic-gate 16917c478bd9Sstevel@tonic-gate bzero(rzroot, sizeof (rzroot)); 16927c478bd9Sstevel@tonic-gate if (resolvepath(zroot, rzroot, sizeof (rzroot) - 1) == -1) { 16937c478bd9Sstevel@tonic-gate /* 16947c478bd9Sstevel@tonic-gate * Zone path doesn't exist, or other misc error, 16957c478bd9Sstevel@tonic-gate * so we try using the non-resolved pathname. 16967c478bd9Sstevel@tonic-gate */ 16977c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, zroot, sizeof (rzroot)); 16987c478bd9Sstevel@tonic-gate } 16997c478bd9Sstevel@tonic-gate if (strlen(rzroot) > 0 && (rzroot[strlen(rzroot) - 1] != '/')) { 17007c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", rzroot); 17017c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, tmp, sizeof (rzroot)); 17027c478bd9Sstevel@tonic-gate } 17037c478bd9Sstevel@tonic-gate 17047c478bd9Sstevel@tonic-gate /* 17057c478bd9Sstevel@tonic-gate * Finally, the comparison. If the zone root path is a 17067c478bd9Sstevel@tonic-gate * leading substring of the root path, fail. 17077c478bd9Sstevel@tonic-gate */ 17087c478bd9Sstevel@tonic-gate if (strncmp(rzroot, root, strlen(rzroot)) == 0) { 17097c478bd9Sstevel@tonic-gate err_print(ZONE_PATHCHECK, root, name); 17107c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 17117c478bd9Sstevel@tonic-gate free(name); 17127c478bd9Sstevel@tonic-gate break; 17137c478bd9Sstevel@tonic-gate } 17147c478bd9Sstevel@tonic-gate free(name); 17157c478bd9Sstevel@tonic-gate } 17167c478bd9Sstevel@tonic-gate endzoneent(cookie); 17177c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 17187c478bd9Sstevel@tonic-gate return (err); 17197c478bd9Sstevel@tonic-gate } 17207c478bd9Sstevel@tonic-gate 17217c478bd9Sstevel@tonic-gate /* 17227c478bd9Sstevel@tonic-gate * Called by the daemon when it receives an event from the devfsadm SLM 17237c478bd9Sstevel@tonic-gate * to syseventd. 17247c478bd9Sstevel@tonic-gate * 17257c478bd9Sstevel@tonic-gate * The devfsadm SLM uses a private event channel for communication to 17267c478bd9Sstevel@tonic-gate * devfsadmd set-up via private libsysevent interfaces. This handler is 17277c478bd9Sstevel@tonic-gate * used to bind to the devfsadmd channel for event delivery. 17287c478bd9Sstevel@tonic-gate * The devfsadmd SLM insures single calls to this routine as well as 17297c478bd9Sstevel@tonic-gate * synchronized event delivery. 17307c478bd9Sstevel@tonic-gate * 17317c478bd9Sstevel@tonic-gate */ 17327c478bd9Sstevel@tonic-gate static void 17337c478bd9Sstevel@tonic-gate event_handler(sysevent_t *ev) 17347c478bd9Sstevel@tonic-gate { 17357c478bd9Sstevel@tonic-gate char *path; 17367c478bd9Sstevel@tonic-gate char *minor; 17377c478bd9Sstevel@tonic-gate char *subclass; 17387c478bd9Sstevel@tonic-gate char *dev_ev_subclass; 17397c478bd9Sstevel@tonic-gate char *driver_name; 17407c478bd9Sstevel@tonic-gate nvlist_t *attr_list = NULL; 17417c478bd9Sstevel@tonic-gate int err = 0; 17427c478bd9Sstevel@tonic-gate int instance; 17437c478bd9Sstevel@tonic-gate int branch_event = 0; 17447c478bd9Sstevel@tonic-gate 17457c478bd9Sstevel@tonic-gate subclass = sysevent_get_subclass_name(ev); 17467c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: %s id:0X%llx\n", 17477c478bd9Sstevel@tonic-gate subclass, sysevent_get_seq(ev)); 17487c478bd9Sstevel@tonic-gate 17497c478bd9Sstevel@tonic-gate /* Check if event is an instance modification */ 17507c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_INSTANCE_MOD) == 0) { 17517c478bd9Sstevel@tonic-gate devfs_instance_mod(); 17527c478bd9Sstevel@tonic-gate return; 17537c478bd9Sstevel@tonic-gate } 17547c478bd9Sstevel@tonic-gate if (sysevent_get_attr_list(ev, &attr_list) != 0) { 17557c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: can not get attr list\n"); 17567c478bd9Sstevel@tonic-gate return; 17577c478bd9Sstevel@tonic-gate } 17587c478bd9Sstevel@tonic-gate 17597c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_DEVI_ADD) == 0 || 17607c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_DEVI_REMOVE) == 0 || 17617c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_CREATE) == 0 || 17627c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_REMOVE) == 0) { 17637c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, DEVFS_PATHNAME, 17647c478bd9Sstevel@tonic-gate &path)) != 0) 17657c478bd9Sstevel@tonic-gate goto out; 17667c478bd9Sstevel@tonic-gate 17677c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_DEVI_ADD) == 0 || 17687c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_DEVI_REMOVE) == 0) { 17697c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_DEVI_CLASS, 17707c478bd9Sstevel@tonic-gate &dev_ev_subclass) != 0) 17717c478bd9Sstevel@tonic-gate dev_ev_subclass = NULL; 17727c478bd9Sstevel@tonic-gate 17737c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_DRIVER_NAME, 17747c478bd9Sstevel@tonic-gate &driver_name) != 0) 17757c478bd9Sstevel@tonic-gate driver_name = NULL; 17767c478bd9Sstevel@tonic-gate 17777c478bd9Sstevel@tonic-gate if (nvlist_lookup_int32(attr_list, DEVFS_INSTANCE, 17787c478bd9Sstevel@tonic-gate &instance) != 0) 17797c478bd9Sstevel@tonic-gate instance = -1; 17807c478bd9Sstevel@tonic-gate 17817c478bd9Sstevel@tonic-gate if (nvlist_lookup_int32(attr_list, DEVFS_BRANCH_EVENT, 17827c478bd9Sstevel@tonic-gate &branch_event) != 0) 17837c478bd9Sstevel@tonic-gate branch_event = 0; 17847c478bd9Sstevel@tonic-gate 17857c478bd9Sstevel@tonic-gate } else { 17867c478bd9Sstevel@tonic-gate if (nvlist_lookup_string(attr_list, DEVFS_MINOR_NAME, 17877c478bd9Sstevel@tonic-gate &minor) != 0) 17887c478bd9Sstevel@tonic-gate minor = NULL; 17897c478bd9Sstevel@tonic-gate } 17907c478bd9Sstevel@tonic-gate 17917c478bd9Sstevel@tonic-gate lock_dev(); 17927c478bd9Sstevel@tonic-gate 17937c478bd9Sstevel@tonic-gate if (strcmp(ESC_DEVFS_DEVI_ADD, subclass) == 0) { 17947c478bd9Sstevel@tonic-gate add_minor_pathname(path, NULL, dev_ev_subclass); 17957c478bd9Sstevel@tonic-gate if (branch_event) { 17967c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, 17977c478bd9Sstevel@tonic-gate ESC_DEV_BRANCH_ADD, path, DI_NODE_NIL); 17987c478bd9Sstevel@tonic-gate } 17997c478bd9Sstevel@tonic-gate 18007c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_CREATE, subclass) == 0) { 18017c478bd9Sstevel@tonic-gate add_minor_pathname(path, minor, NULL); 18027c478bd9Sstevel@tonic-gate 18037c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_REMOVE, subclass) == 0) { 18047c478bd9Sstevel@tonic-gate hot_cleanup(path, minor, NULL, NULL, -1); 18057c478bd9Sstevel@tonic-gate 18067c478bd9Sstevel@tonic-gate } else { /* ESC_DEVFS_DEVI_REMOVE */ 18077c478bd9Sstevel@tonic-gate hot_cleanup(path, NULL, dev_ev_subclass, 18087c478bd9Sstevel@tonic-gate driver_name, instance); 18097c478bd9Sstevel@tonic-gate if (branch_event) { 18107c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, 18117c478bd9Sstevel@tonic-gate ESC_DEV_BRANCH_REMOVE, path, DI_NODE_NIL); 18127c478bd9Sstevel@tonic-gate } 18137c478bd9Sstevel@tonic-gate } 18147c478bd9Sstevel@tonic-gate 18157c478bd9Sstevel@tonic-gate unlock_dev(CACHE_STATE); 18167c478bd9Sstevel@tonic-gate startup_cache_sync_thread(); 18177c478bd9Sstevel@tonic-gate 18187c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0 || 18197c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_BRANCH_REMOVE) == 0) { 18207c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, 18217c478bd9Sstevel@tonic-gate DEVFS_PATHNAME, &path)) != 0) 18227c478bd9Sstevel@tonic-gate goto out; 18237c478bd9Sstevel@tonic-gate 18247c478bd9Sstevel@tonic-gate /* just log ESC_DEV_BRANCH... event */ 18257c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0) 18267c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_ADD; 18277c478bd9Sstevel@tonic-gate else 18287c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_REMOVE; 18297c478bd9Sstevel@tonic-gate 1830d2596142Scth lock_dev(); 18317c478bd9Sstevel@tonic-gate build_and_log_event(EC_DEV_BRANCH, dev_ev_subclass, path, 18327c478bd9Sstevel@tonic-gate DI_NODE_NIL); 1833d2596142Scth unlock_dev(CACHE_STATE); 1834d2596142Scth startup_cache_sync_thread(); 18357c478bd9Sstevel@tonic-gate 18367c478bd9Sstevel@tonic-gate } else 18377c478bd9Sstevel@tonic-gate err_print(UNKNOWN_EVENT, subclass); 18387c478bd9Sstevel@tonic-gate 18397c478bd9Sstevel@tonic-gate out: 18407c478bd9Sstevel@tonic-gate if (err) 18417c478bd9Sstevel@tonic-gate err_print(EVENT_ATTR_LOOKUP_FAILED, strerror(err)); 18427c478bd9Sstevel@tonic-gate nvlist_free(attr_list); 18437c478bd9Sstevel@tonic-gate } 18447c478bd9Sstevel@tonic-gate 18457c478bd9Sstevel@tonic-gate static void 18467c478bd9Sstevel@tonic-gate dca_impl_init(char *root, char *minor, struct dca_impl *dcip) 18477c478bd9Sstevel@tonic-gate { 18487c478bd9Sstevel@tonic-gate assert(root); 18497c478bd9Sstevel@tonic-gate 18507c478bd9Sstevel@tonic-gate dcip->dci_root = root; 18517c478bd9Sstevel@tonic-gate dcip->dci_minor = minor; 18527c478bd9Sstevel@tonic-gate dcip->dci_driver = NULL; 18537c478bd9Sstevel@tonic-gate dcip->dci_error = 0; 18547c478bd9Sstevel@tonic-gate dcip->dci_flags = 0; 18557c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 18567c478bd9Sstevel@tonic-gate } 18577c478bd9Sstevel@tonic-gate 18587c478bd9Sstevel@tonic-gate /* 18597c478bd9Sstevel@tonic-gate * Kernel logs a message when a devinfo node is attached. Try to create 18607c478bd9Sstevel@tonic-gate * /dev and /devices for each minor node. minorname can be NULL. 18617c478bd9Sstevel@tonic-gate */ 18627c478bd9Sstevel@tonic-gate void 18637c478bd9Sstevel@tonic-gate add_minor_pathname(char *node, char *minor, char *ev_subclass) 18647c478bd9Sstevel@tonic-gate { 18657c478bd9Sstevel@tonic-gate struct dca_impl dci; 18667c478bd9Sstevel@tonic-gate 18677c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "add_minor_pathname: node_path=%s minor=%s\n", 18687c478bd9Sstevel@tonic-gate node, minor ? minor : "NULL"); 18697c478bd9Sstevel@tonic-gate 18707c478bd9Sstevel@tonic-gate dca_impl_init(node, minor, &dci); 18717c478bd9Sstevel@tonic-gate 18727c478bd9Sstevel@tonic-gate /* 18737c478bd9Sstevel@tonic-gate * Restrict hotplug link creation if daemon 18747c478bd9Sstevel@tonic-gate * started with -i option. 18757c478bd9Sstevel@tonic-gate */ 18767c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 18777c478bd9Sstevel@tonic-gate dci.dci_driver = driver; 18787c478bd9Sstevel@tonic-gate } 18797c478bd9Sstevel@tonic-gate 18807c478bd9Sstevel@tonic-gate /* 18817c478bd9Sstevel@tonic-gate * We are being invoked in response to a hotplug 18827c478bd9Sstevel@tonic-gate * event. Also, notify RCM if nodetype indicates 18837c478bd9Sstevel@tonic-gate * a network device has been hotplugged. 18847c478bd9Sstevel@tonic-gate */ 18857c478bd9Sstevel@tonic-gate dci.dci_flags = DCA_HOT_PLUG | DCA_CHECK_TYPE; 18867c478bd9Sstevel@tonic-gate 18877c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOPROP|DINFOMINOR, ev_subclass); 18887c478bd9Sstevel@tonic-gate } 18897c478bd9Sstevel@tonic-gate 18907c478bd9Sstevel@tonic-gate static di_node_t 18917c478bd9Sstevel@tonic-gate find_clone_node() 18927c478bd9Sstevel@tonic-gate { 18937c478bd9Sstevel@tonic-gate static di_node_t clone_node = DI_NODE_NIL; 18947c478bd9Sstevel@tonic-gate 18957c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) 18967c478bd9Sstevel@tonic-gate clone_node = di_init("/pseudo/clone@0", DINFOPROP); 18977c478bd9Sstevel@tonic-gate return (clone_node); 18987c478bd9Sstevel@tonic-gate } 18997c478bd9Sstevel@tonic-gate 19007c478bd9Sstevel@tonic-gate static int 19017c478bd9Sstevel@tonic-gate is_descendent_of(di_node_t node, char *driver) 19027c478bd9Sstevel@tonic-gate { 19037c478bd9Sstevel@tonic-gate while (node != DI_NODE_NIL) { 19047c478bd9Sstevel@tonic-gate char *drv = di_driver_name(node); 19057c478bd9Sstevel@tonic-gate if (strcmp(drv, driver) == 0) 19067c478bd9Sstevel@tonic-gate return (1); 19077c478bd9Sstevel@tonic-gate node = di_parent_node(node); 19087c478bd9Sstevel@tonic-gate } 19097c478bd9Sstevel@tonic-gate return (0); 19107c478bd9Sstevel@tonic-gate } 19117c478bd9Sstevel@tonic-gate 19127c478bd9Sstevel@tonic-gate /* 19137c478bd9Sstevel@tonic-gate * Checks the minor type. If it is an alias node, then lookup 19147c478bd9Sstevel@tonic-gate * the real node/minor first, then call minor_process() to 19157c478bd9Sstevel@tonic-gate * do the real work. 19167c478bd9Sstevel@tonic-gate */ 19177c478bd9Sstevel@tonic-gate static int 19187c478bd9Sstevel@tonic-gate check_minor_type(di_node_t node, di_minor_t minor, void *arg) 19197c478bd9Sstevel@tonic-gate { 19207c478bd9Sstevel@tonic-gate ddi_minor_type minor_type; 19217c478bd9Sstevel@tonic-gate di_node_t clone_node; 19227c478bd9Sstevel@tonic-gate char *mn; 19237c478bd9Sstevel@tonic-gate char *nt; 19247c478bd9Sstevel@tonic-gate struct mlist *dep; 19257c478bd9Sstevel@tonic-gate struct dca_impl *dcip = arg; 19267c478bd9Sstevel@tonic-gate 19277c478bd9Sstevel@tonic-gate assert(dcip); 19287c478bd9Sstevel@tonic-gate 19297c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 19307c478bd9Sstevel@tonic-gate 19317c478bd9Sstevel@tonic-gate mn = di_minor_name(minor); 19327c478bd9Sstevel@tonic-gate 19337c478bd9Sstevel@tonic-gate /* 19347c478bd9Sstevel@tonic-gate * We match driver here instead of in minor_process 19357c478bd9Sstevel@tonic-gate * as we want the actual driver name. This check is 19367c478bd9Sstevel@tonic-gate * unnecessary during deferred processing. 19377c478bd9Sstevel@tonic-gate */ 19387c478bd9Sstevel@tonic-gate if (dep && 19397c478bd9Sstevel@tonic-gate ((dcip->dci_driver && !is_descendent_of(node, dcip->dci_driver)) || 19407c478bd9Sstevel@tonic-gate (dcip->dci_minor && strcmp(mn, dcip->dci_minor)))) { 19417c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 19427c478bd9Sstevel@tonic-gate } 19437c478bd9Sstevel@tonic-gate 19447c478bd9Sstevel@tonic-gate if ((dcip->dci_flags & DCA_CHECK_TYPE) && 19457c478bd9Sstevel@tonic-gate (nt = di_minor_nodetype(minor)) && 1946210db224Sericheng (strcmp(nt, DDI_NT_NET) == 0)) { 19477c478bd9Sstevel@tonic-gate dcip->dci_flags |= DCA_NOTIFY_RCM; 19487c478bd9Sstevel@tonic-gate dcip->dci_flags &= ~DCA_CHECK_TYPE; 19497c478bd9Sstevel@tonic-gate } 19507c478bd9Sstevel@tonic-gate 19517c478bd9Sstevel@tonic-gate minor_type = di_minor_type(minor); 19527c478bd9Sstevel@tonic-gate 19537c478bd9Sstevel@tonic-gate if (minor_type == DDM_MINOR) { 19547c478bd9Sstevel@tonic-gate minor_process(node, minor, dep); 19557c478bd9Sstevel@tonic-gate 19567c478bd9Sstevel@tonic-gate } else if (minor_type == DDM_ALIAS) { 19577c478bd9Sstevel@tonic-gate struct mlist *cdep, clone_del = {0}; 19587c478bd9Sstevel@tonic-gate 19597c478bd9Sstevel@tonic-gate clone_node = find_clone_node(); 19607c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) { 19617c478bd9Sstevel@tonic-gate err_print(DI_INIT_FAILED, "clone", strerror(errno)); 19627c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 19637c478bd9Sstevel@tonic-gate } 19647c478bd9Sstevel@tonic-gate 19657c478bd9Sstevel@tonic-gate cdep = dep ? &clone_del : NULL; 19667c478bd9Sstevel@tonic-gate 19677c478bd9Sstevel@tonic-gate minor_process(clone_node, minor, cdep); 19687c478bd9Sstevel@tonic-gate 19697c478bd9Sstevel@tonic-gate /* 19707c478bd9Sstevel@tonic-gate * cache "alias" minor node and free "clone" minor 19717c478bd9Sstevel@tonic-gate */ 19727c478bd9Sstevel@tonic-gate if (cdep != NULL && cdep->head != NULL) { 19737c478bd9Sstevel@tonic-gate assert(cdep->tail != NULL); 19747c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 19757c478bd9Sstevel@tonic-gate dcip->dci_arg = cdep; 19767c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_FREE_LIST); 19777c478bd9Sstevel@tonic-gate dcip->dci_arg = dep; 19787c478bd9Sstevel@tonic-gate } 19797c478bd9Sstevel@tonic-gate } 19807c478bd9Sstevel@tonic-gate 19817c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 19827c478bd9Sstevel@tonic-gate } 19837c478bd9Sstevel@tonic-gate 19847c478bd9Sstevel@tonic-gate 19857c478bd9Sstevel@tonic-gate /* 19867c478bd9Sstevel@tonic-gate * This is the entry point for each minor node, whether walking 19877c478bd9Sstevel@tonic-gate * the entire tree via di_walk_minor() or processing a hotplug event 19887c478bd9Sstevel@tonic-gate * for a single devinfo node (via hotplug ndi_devi_online()). 19897c478bd9Sstevel@tonic-gate */ 19907c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 19917c478bd9Sstevel@tonic-gate static void 19927c478bd9Sstevel@tonic-gate minor_process(di_node_t node, di_minor_t minor, struct mlist *dep) 19937c478bd9Sstevel@tonic-gate { 19947c478bd9Sstevel@tonic-gate create_list_t *create; 19957c478bd9Sstevel@tonic-gate int defer; 19967c478bd9Sstevel@tonic-gate 19977c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: node=%s, minor=%s\n", 19987c478bd9Sstevel@tonic-gate di_node_name(node), di_minor_name(minor)); 19997c478bd9Sstevel@tonic-gate 20007c478bd9Sstevel@tonic-gate if (dep != NULL) { 20017c478bd9Sstevel@tonic-gate 20027c478bd9Sstevel@tonic-gate /* 20037c478bd9Sstevel@tonic-gate * Reset /devices node to minor_perm perm/ownership 20047c478bd9Sstevel@tonic-gate * if we are here to deactivate device allocation 20057c478bd9Sstevel@tonic-gate */ 20067c478bd9Sstevel@tonic-gate if (build_devices == TRUE) { 20077c478bd9Sstevel@tonic-gate reset_node_permissions(node, minor); 20087c478bd9Sstevel@tonic-gate } 20097c478bd9Sstevel@tonic-gate 20107c478bd9Sstevel@tonic-gate if (build_dev == FALSE) { 20117c478bd9Sstevel@tonic-gate return; 20127c478bd9Sstevel@tonic-gate } 20137c478bd9Sstevel@tonic-gate 20147c478bd9Sstevel@tonic-gate /* 20157c478bd9Sstevel@tonic-gate * This function will create any nodes for /etc/devlink.tab. 20167c478bd9Sstevel@tonic-gate * If devlink.tab handles link creation, we don't call any 20177c478bd9Sstevel@tonic-gate * devfsadm modules since that could cause duplicate caching 20187c478bd9Sstevel@tonic-gate * in the enumerate functions if different re strings are 20197c478bd9Sstevel@tonic-gate * passed that are logically identical. I'm still not 20207c478bd9Sstevel@tonic-gate * convinced this would cause any harm, but better to be safe. 20217c478bd9Sstevel@tonic-gate * 20227c478bd9Sstevel@tonic-gate * Deferred processing is available only for devlinks 20237c478bd9Sstevel@tonic-gate * created through devfsadm modules. 20247c478bd9Sstevel@tonic-gate */ 20257c478bd9Sstevel@tonic-gate if (process_devlink_compat(minor, node) == TRUE) { 20267c478bd9Sstevel@tonic-gate return; 20277c478bd9Sstevel@tonic-gate } 20287c478bd9Sstevel@tonic-gate } else { 20297c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: deferred processing\n"); 20307c478bd9Sstevel@tonic-gate } 20317c478bd9Sstevel@tonic-gate 20327c478bd9Sstevel@tonic-gate /* 20337c478bd9Sstevel@tonic-gate * look for relevant link create rules in the modules, and 20347c478bd9Sstevel@tonic-gate * invoke the link create callback function to build a link 20357c478bd9Sstevel@tonic-gate * if there is a match. 20367c478bd9Sstevel@tonic-gate */ 20377c478bd9Sstevel@tonic-gate defer = 0; 20387c478bd9Sstevel@tonic-gate for (create = create_head; create != NULL; create = create->next) { 20397c478bd9Sstevel@tonic-gate if ((minor_matches_rule(node, minor, create) == TRUE) && 20407c478bd9Sstevel@tonic-gate class_ok(create->create->device_class) == 20417c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) { 20427c478bd9Sstevel@tonic-gate if (call_minor_init(create->modptr) == 20437c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 20447c478bd9Sstevel@tonic-gate continue; 20457c478bd9Sstevel@tonic-gate } 20467c478bd9Sstevel@tonic-gate 20477c478bd9Sstevel@tonic-gate /* 20487c478bd9Sstevel@tonic-gate * If NOT doing the deferred creates (i.e. 1st pass) and 20497c478bd9Sstevel@tonic-gate * rule requests deferred processing cache the minor 20507c478bd9Sstevel@tonic-gate * data. 20517c478bd9Sstevel@tonic-gate * 20527c478bd9Sstevel@tonic-gate * If deferred processing (2nd pass), create links 20537c478bd9Sstevel@tonic-gate * ONLY if rule requests deferred processing. 20547c478bd9Sstevel@tonic-gate */ 20557c478bd9Sstevel@tonic-gate if (dep && ((create->create->flags & CREATE_MASK) == 20567c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 20577c478bd9Sstevel@tonic-gate defer = 1; 20587c478bd9Sstevel@tonic-gate continue; 20597c478bd9Sstevel@tonic-gate } else if (dep == NULL && 20607c478bd9Sstevel@tonic-gate ((create->create->flags & CREATE_MASK) != 20617c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 20627c478bd9Sstevel@tonic-gate continue; 20637c478bd9Sstevel@tonic-gate } 20647c478bd9Sstevel@tonic-gate 20657c478bd9Sstevel@tonic-gate if ((*(create->create->callback_fcn)) 20667c478bd9Sstevel@tonic-gate (minor, node) == DEVFSADM_TERMINATE) { 20677c478bd9Sstevel@tonic-gate break; 20687c478bd9Sstevel@tonic-gate } 20697c478bd9Sstevel@tonic-gate } 20707c478bd9Sstevel@tonic-gate } 20717c478bd9Sstevel@tonic-gate 20727c478bd9Sstevel@tonic-gate if (defer) 20737c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 20747c478bd9Sstevel@tonic-gate } 20757c478bd9Sstevel@tonic-gate 20767c478bd9Sstevel@tonic-gate 20777c478bd9Sstevel@tonic-gate /* 20787c478bd9Sstevel@tonic-gate * Cache node and minor in defer list. 20797c478bd9Sstevel@tonic-gate */ 20807c478bd9Sstevel@tonic-gate static void 20817c478bd9Sstevel@tonic-gate cache_deferred_minor( 20827c478bd9Sstevel@tonic-gate struct mlist *dep, 20837c478bd9Sstevel@tonic-gate di_node_t node, 20847c478bd9Sstevel@tonic-gate di_minor_t minor) 20857c478bd9Sstevel@tonic-gate { 20867c478bd9Sstevel@tonic-gate struct minor *mp; 20877c478bd9Sstevel@tonic-gate const char *fcn = "cache_deferred_minor"; 20887c478bd9Sstevel@tonic-gate 20897c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s node=%s, minor=%s\n", fcn, 20907c478bd9Sstevel@tonic-gate di_node_name(node), di_minor_name(minor)); 20917c478bd9Sstevel@tonic-gate 20927c478bd9Sstevel@tonic-gate if (dep == NULL) { 20937c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: cannot cache during " 20947c478bd9Sstevel@tonic-gate "deferred processing. Ignoring minor\n", fcn); 20957c478bd9Sstevel@tonic-gate return; 20967c478bd9Sstevel@tonic-gate } 20977c478bd9Sstevel@tonic-gate 20987c478bd9Sstevel@tonic-gate mp = (struct minor *)s_zalloc(sizeof (struct minor)); 20997c478bd9Sstevel@tonic-gate mp->node = node; 21007c478bd9Sstevel@tonic-gate mp->minor = minor; 21017c478bd9Sstevel@tonic-gate mp->next = NULL; 21027c478bd9Sstevel@tonic-gate 21037c478bd9Sstevel@tonic-gate assert(dep->head == NULL || dep->tail != NULL); 21047c478bd9Sstevel@tonic-gate if (dep->head == NULL) { 21057c478bd9Sstevel@tonic-gate dep->head = mp; 21067c478bd9Sstevel@tonic-gate } else { 21077c478bd9Sstevel@tonic-gate dep->tail->next = mp; 21087c478bd9Sstevel@tonic-gate } 21097c478bd9Sstevel@tonic-gate dep->tail = mp; 21107c478bd9Sstevel@tonic-gate } 21117c478bd9Sstevel@tonic-gate 21127c478bd9Sstevel@tonic-gate /* 21137c478bd9Sstevel@tonic-gate * Check to see if "create" link creation rule matches this node/minor. 21147c478bd9Sstevel@tonic-gate * If it does, return TRUE. 21157c478bd9Sstevel@tonic-gate */ 21167c478bd9Sstevel@tonic-gate static int 21177c478bd9Sstevel@tonic-gate minor_matches_rule(di_node_t node, di_minor_t minor, create_list_t *create) 21187c478bd9Sstevel@tonic-gate { 21197c478bd9Sstevel@tonic-gate char *m_nodetype, *m_drvname; 21207c478bd9Sstevel@tonic-gate 21217c478bd9Sstevel@tonic-gate if (create->create->node_type != NULL) { 21227c478bd9Sstevel@tonic-gate 21237c478bd9Sstevel@tonic-gate m_nodetype = di_minor_nodetype(minor); 21247c478bd9Sstevel@tonic-gate assert(m_nodetype != NULL); 21257c478bd9Sstevel@tonic-gate 21267c478bd9Sstevel@tonic-gate switch (create->create->flags & TYPE_MASK) { 21277c478bd9Sstevel@tonic-gate case TYPE_EXACT: 21287c478bd9Sstevel@tonic-gate if (strcmp(create->create->node_type, m_nodetype) != 21297c478bd9Sstevel@tonic-gate 0) { 21307c478bd9Sstevel@tonic-gate return (FALSE); 21317c478bd9Sstevel@tonic-gate } 21327c478bd9Sstevel@tonic-gate break; 21337c478bd9Sstevel@tonic-gate case TYPE_PARTIAL: 21347c478bd9Sstevel@tonic-gate if (strncmp(create->create->node_type, m_nodetype, 21357c478bd9Sstevel@tonic-gate strlen(create->create->node_type)) != 0) { 21367c478bd9Sstevel@tonic-gate return (FALSE); 21377c478bd9Sstevel@tonic-gate } 21387c478bd9Sstevel@tonic-gate break; 21397c478bd9Sstevel@tonic-gate case TYPE_RE: 21407c478bd9Sstevel@tonic-gate if (regexec(&(create->node_type_comp), m_nodetype, 21417c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 21427c478bd9Sstevel@tonic-gate return (FALSE); 21437c478bd9Sstevel@tonic-gate } 21447c478bd9Sstevel@tonic-gate break; 21457c478bd9Sstevel@tonic-gate } 21467c478bd9Sstevel@tonic-gate } 21477c478bd9Sstevel@tonic-gate 21487c478bd9Sstevel@tonic-gate if (create->create->drv_name != NULL) { 21497c478bd9Sstevel@tonic-gate m_drvname = di_driver_name(node); 21507c478bd9Sstevel@tonic-gate switch (create->create->flags & DRV_MASK) { 21517c478bd9Sstevel@tonic-gate case DRV_EXACT: 21527c478bd9Sstevel@tonic-gate if (strcmp(create->create->drv_name, m_drvname) != 0) { 21537c478bd9Sstevel@tonic-gate return (FALSE); 21547c478bd9Sstevel@tonic-gate } 21557c478bd9Sstevel@tonic-gate break; 21567c478bd9Sstevel@tonic-gate case DRV_RE: 21577c478bd9Sstevel@tonic-gate if (regexec(&(create->drv_name_comp), m_drvname, 21587c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 21597c478bd9Sstevel@tonic-gate return (FALSE); 21607c478bd9Sstevel@tonic-gate } 21617c478bd9Sstevel@tonic-gate break; 21627c478bd9Sstevel@tonic-gate } 21637c478bd9Sstevel@tonic-gate } 21647c478bd9Sstevel@tonic-gate 21657c478bd9Sstevel@tonic-gate return (TRUE); 21667c478bd9Sstevel@tonic-gate } 21677c478bd9Sstevel@tonic-gate 21687c478bd9Sstevel@tonic-gate /* 21697c478bd9Sstevel@tonic-gate * If no classes were given on the command line, then return DEVFSADM_SUCCESS. 21707c478bd9Sstevel@tonic-gate * Otherwise, return DEVFSADM_SUCCESS if the device "class" from the module 21717c478bd9Sstevel@tonic-gate * matches one of the device classes given on the command line, 21727c478bd9Sstevel@tonic-gate * otherwise, return DEVFSADM_FAILURE. 21737c478bd9Sstevel@tonic-gate */ 21747c478bd9Sstevel@tonic-gate static int 21757c478bd9Sstevel@tonic-gate class_ok(char *class) 21767c478bd9Sstevel@tonic-gate { 21777c478bd9Sstevel@tonic-gate int i; 21787c478bd9Sstevel@tonic-gate 21797c478bd9Sstevel@tonic-gate if (num_classes == 0) { 21807c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 21817c478bd9Sstevel@tonic-gate } 21827c478bd9Sstevel@tonic-gate 21837c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 21847c478bd9Sstevel@tonic-gate if (strcmp(class, classes[i]) == 0) { 21857c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 21867c478bd9Sstevel@tonic-gate } 21877c478bd9Sstevel@tonic-gate } 21887c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 21897c478bd9Sstevel@tonic-gate } 21907c478bd9Sstevel@tonic-gate 21917c478bd9Sstevel@tonic-gate /* 21927c478bd9Sstevel@tonic-gate * call minor_fini on active modules, then unload ALL modules 21937c478bd9Sstevel@tonic-gate */ 21947c478bd9Sstevel@tonic-gate static void 21957c478bd9Sstevel@tonic-gate unload_modules(void) 21967c478bd9Sstevel@tonic-gate { 21977c478bd9Sstevel@tonic-gate module_t *module_free; 21987c478bd9Sstevel@tonic-gate create_list_t *create_free; 21997c478bd9Sstevel@tonic-gate remove_list_t *remove_free; 22007c478bd9Sstevel@tonic-gate 22017c478bd9Sstevel@tonic-gate while (create_head != NULL) { 22027c478bd9Sstevel@tonic-gate create_free = create_head; 22037c478bd9Sstevel@tonic-gate create_head = create_head->next; 22047c478bd9Sstevel@tonic-gate 22057c478bd9Sstevel@tonic-gate if ((create_free->create->flags & TYPE_RE) == TYPE_RE) { 22067c478bd9Sstevel@tonic-gate regfree(&(create_free->node_type_comp)); 22077c478bd9Sstevel@tonic-gate } 22087c478bd9Sstevel@tonic-gate if ((create_free->create->flags & DRV_RE) == DRV_RE) { 22097c478bd9Sstevel@tonic-gate regfree(&(create_free->drv_name_comp)); 22107c478bd9Sstevel@tonic-gate } 22117c478bd9Sstevel@tonic-gate free(create_free); 22127c478bd9Sstevel@tonic-gate } 22137c478bd9Sstevel@tonic-gate 22147c478bd9Sstevel@tonic-gate while (remove_head != NULL) { 22157c478bd9Sstevel@tonic-gate remove_free = remove_head; 22167c478bd9Sstevel@tonic-gate remove_head = remove_head->next; 22177c478bd9Sstevel@tonic-gate free(remove_free); 22187c478bd9Sstevel@tonic-gate } 22197c478bd9Sstevel@tonic-gate 22207c478bd9Sstevel@tonic-gate while (module_head != NULL) { 22217c478bd9Sstevel@tonic-gate 22227c478bd9Sstevel@tonic-gate if ((module_head->minor_fini != NULL) && 22237c478bd9Sstevel@tonic-gate ((module_head->flags & MODULE_ACTIVE) == MODULE_ACTIVE)) { 22247c478bd9Sstevel@tonic-gate (void) (*(module_head->minor_fini))(); 22257c478bd9Sstevel@tonic-gate } 22267c478bd9Sstevel@tonic-gate 22277c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "unloading module %s\n", module_head->name); 22287c478bd9Sstevel@tonic-gate free(module_head->name); 22297c478bd9Sstevel@tonic-gate (void) dlclose(module_head->dlhandle); 22307c478bd9Sstevel@tonic-gate 22317c478bd9Sstevel@tonic-gate module_free = module_head; 22327c478bd9Sstevel@tonic-gate module_head = module_head->next; 22337c478bd9Sstevel@tonic-gate free(module_free); 22347c478bd9Sstevel@tonic-gate } 22357c478bd9Sstevel@tonic-gate } 22367c478bd9Sstevel@tonic-gate 22377c478bd9Sstevel@tonic-gate /* 22387c478bd9Sstevel@tonic-gate * Load devfsadm logical link processing modules. 22397c478bd9Sstevel@tonic-gate */ 22407c478bd9Sstevel@tonic-gate static void 22417c478bd9Sstevel@tonic-gate load_modules(void) 22427c478bd9Sstevel@tonic-gate { 22437c478bd9Sstevel@tonic-gate DIR *mod_dir; 22444bc0a2efScasper struct dirent *entp; 22457c478bd9Sstevel@tonic-gate char cdir[PATH_MAX + 1]; 22467c478bd9Sstevel@tonic-gate char *last; 22477c478bd9Sstevel@tonic-gate char *mdir = module_dirs; 22487c478bd9Sstevel@tonic-gate char *fcn = "load_modules: "; 22497c478bd9Sstevel@tonic-gate 22507c478bd9Sstevel@tonic-gate while (*mdir != '\0') { 22517c478bd9Sstevel@tonic-gate 22527c478bd9Sstevel@tonic-gate while (*mdir == ':') { 22537c478bd9Sstevel@tonic-gate mdir++; 22547c478bd9Sstevel@tonic-gate } 22557c478bd9Sstevel@tonic-gate 22567c478bd9Sstevel@tonic-gate if (*mdir == '\0') { 22577c478bd9Sstevel@tonic-gate continue; 22587c478bd9Sstevel@tonic-gate } 22597c478bd9Sstevel@tonic-gate 22607c478bd9Sstevel@tonic-gate last = strchr(mdir, ':'); 22617c478bd9Sstevel@tonic-gate 22627c478bd9Sstevel@tonic-gate if (last == NULL) { 22637c478bd9Sstevel@tonic-gate last = mdir + strlen(mdir); 22647c478bd9Sstevel@tonic-gate } 22657c478bd9Sstevel@tonic-gate 22667c478bd9Sstevel@tonic-gate (void) strncpy(cdir, mdir, last - mdir); 22677c478bd9Sstevel@tonic-gate cdir[last - mdir] = '\0'; 22687c478bd9Sstevel@tonic-gate mdir += strlen(cdir); 22697c478bd9Sstevel@tonic-gate 22707c478bd9Sstevel@tonic-gate if ((mod_dir = opendir(cdir)) == NULL) { 22717c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sopendir(%s): %s\n", 22727c478bd9Sstevel@tonic-gate fcn, cdir, strerror(errno)); 22737c478bd9Sstevel@tonic-gate continue; 22747c478bd9Sstevel@tonic-gate } 22757c478bd9Sstevel@tonic-gate 22764bc0a2efScasper while ((entp = readdir(mod_dir)) != NULL) { 22777c478bd9Sstevel@tonic-gate 22787c478bd9Sstevel@tonic-gate if ((strcmp(entp->d_name, ".") == 0) || 22797c478bd9Sstevel@tonic-gate (strcmp(entp->d_name, "..") == 0)) { 22807c478bd9Sstevel@tonic-gate continue; 22817c478bd9Sstevel@tonic-gate } 22827c478bd9Sstevel@tonic-gate 22837c478bd9Sstevel@tonic-gate load_module(entp->d_name, cdir); 22847c478bd9Sstevel@tonic-gate } 22857c478bd9Sstevel@tonic-gate s_closedir(mod_dir); 22867c478bd9Sstevel@tonic-gate } 22877c478bd9Sstevel@tonic-gate } 22887c478bd9Sstevel@tonic-gate 22897c478bd9Sstevel@tonic-gate static void 22907c478bd9Sstevel@tonic-gate load_module(char *mname, char *cdir) 22917c478bd9Sstevel@tonic-gate { 22927c478bd9Sstevel@tonic-gate _devfsadm_create_reg_t *create_reg; 22937c478bd9Sstevel@tonic-gate _devfsadm_remove_reg_t *remove_reg; 22947c478bd9Sstevel@tonic-gate create_list_t *create_list_element; 22957c478bd9Sstevel@tonic-gate create_list_t **create_list_next; 22967c478bd9Sstevel@tonic-gate remove_list_t *remove_list_element; 22977c478bd9Sstevel@tonic-gate remove_list_t **remove_list_next; 22987c478bd9Sstevel@tonic-gate char epath[PATH_MAX + 1], *end; 22997c478bd9Sstevel@tonic-gate char *fcn = "load_module: "; 23007c478bd9Sstevel@tonic-gate char *dlerrstr; 23017c478bd9Sstevel@tonic-gate void *dlhandle; 23027c478bd9Sstevel@tonic-gate module_t *module; 23037c478bd9Sstevel@tonic-gate int n; 23047c478bd9Sstevel@tonic-gate int i; 23057c478bd9Sstevel@tonic-gate 23067c478bd9Sstevel@tonic-gate /* ignore any file which does not end in '.so' */ 23077c478bd9Sstevel@tonic-gate if ((end = strstr(mname, MODULE_SUFFIX)) != NULL) { 23087c478bd9Sstevel@tonic-gate if (end[strlen(MODULE_SUFFIX)] != '\0') { 23097c478bd9Sstevel@tonic-gate return; 23107c478bd9Sstevel@tonic-gate } 23117c478bd9Sstevel@tonic-gate } else { 23127c478bd9Sstevel@tonic-gate return; 23137c478bd9Sstevel@tonic-gate } 23147c478bd9Sstevel@tonic-gate 23157c478bd9Sstevel@tonic-gate (void) snprintf(epath, sizeof (epath), "%s/%s", cdir, mname); 23167c478bd9Sstevel@tonic-gate 23177c478bd9Sstevel@tonic-gate if ((dlhandle = dlopen(epath, RTLD_LAZY)) == NULL) { 23187c478bd9Sstevel@tonic-gate dlerrstr = dlerror(); 23197c478bd9Sstevel@tonic-gate err_print(DLOPEN_FAILED, epath, 23207c478bd9Sstevel@tonic-gate dlerrstr ? dlerrstr : "unknown error"); 23217c478bd9Sstevel@tonic-gate return; 23227c478bd9Sstevel@tonic-gate } 23237c478bd9Sstevel@tonic-gate 23247c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_create_reg structure */ 23257c478bd9Sstevel@tonic-gate if (NULL == (create_reg = (_devfsadm_create_reg_t *) 23267c478bd9Sstevel@tonic-gate dlsym(dlhandle, _DEVFSADM_CREATE_REG))) { 23277c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): symbol not found\n", epath, 23287c478bd9Sstevel@tonic-gate _DEVFSADM_CREATE_REG); 23297c478bd9Sstevel@tonic-gate } else { 23307c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sdlsym(%s, %s) succeeded\n", 23317c478bd9Sstevel@tonic-gate fcn, epath, _DEVFSADM_CREATE_REG); 23327c478bd9Sstevel@tonic-gate } 23337c478bd9Sstevel@tonic-gate 23347c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_remove_reg structure */ 23357c478bd9Sstevel@tonic-gate if (NULL == (remove_reg = (_devfsadm_remove_reg_t *) 23367c478bd9Sstevel@tonic-gate dlsym(dlhandle, _DEVFSADM_REMOVE_REG))) { 23377c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s,\n\t%s): symbol not found\n", 23387c478bd9Sstevel@tonic-gate epath, _DEVFSADM_REMOVE_REG); 23397c478bd9Sstevel@tonic-gate } else { 23407c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): succeeded\n", 23417c478bd9Sstevel@tonic-gate epath, _DEVFSADM_REMOVE_REG); 23427c478bd9Sstevel@tonic-gate } 23437c478bd9Sstevel@tonic-gate 23447c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "module %s loaded\n", epath); 23457c478bd9Sstevel@tonic-gate 23467c478bd9Sstevel@tonic-gate module = (module_t *)s_malloc(sizeof (module_t)); 23477c478bd9Sstevel@tonic-gate module->name = s_strdup(epath); 23487c478bd9Sstevel@tonic-gate module->dlhandle = dlhandle; 23497c478bd9Sstevel@tonic-gate 23507c478bd9Sstevel@tonic-gate /* dlsym other module functions, to be called later */ 23517c478bd9Sstevel@tonic-gate module->minor_fini = (int (*)())dlsym(dlhandle, MINOR_FINI); 23527c478bd9Sstevel@tonic-gate module->minor_init = (int (*)())dlsym(dlhandle, MINOR_INIT); 23537c478bd9Sstevel@tonic-gate module->flags = 0; 23547c478bd9Sstevel@tonic-gate 23557c478bd9Sstevel@tonic-gate /* 23567c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_create on "create_head" 23577c478bd9Sstevel@tonic-gate * list sorted in interpose_lvl. 23587c478bd9Sstevel@tonic-gate */ 23597c478bd9Sstevel@tonic-gate if (create_reg != NULL) { 23607c478bd9Sstevel@tonic-gate for (i = 0; i < create_reg->count; i++) { 23617c478bd9Sstevel@tonic-gate int flags = create_reg->tblp[i].flags; 23627c478bd9Sstevel@tonic-gate 23637c478bd9Sstevel@tonic-gate create_list_element = (create_list_t *) 23647c478bd9Sstevel@tonic-gate s_malloc(sizeof (create_list_t)); 23657c478bd9Sstevel@tonic-gate 23667c478bd9Sstevel@tonic-gate create_list_element->create = &(create_reg->tblp[i]); 23677c478bd9Sstevel@tonic-gate create_list_element->modptr = module; 23687c478bd9Sstevel@tonic-gate 23697c478bd9Sstevel@tonic-gate if (((flags & CREATE_MASK) != 0) && 23707c478bd9Sstevel@tonic-gate ((flags & CREATE_MASK) != CREATE_DEFER)) { 23717c478bd9Sstevel@tonic-gate free(create_list_element); 23727c478bd9Sstevel@tonic-gate err_print("illegal flag combination in " 23737c478bd9Sstevel@tonic-gate "module create\n"); 23747c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 23757c478bd9Sstevel@tonic-gate continue; 23767c478bd9Sstevel@tonic-gate } 23777c478bd9Sstevel@tonic-gate 23787c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) == 0) ^ 23797c478bd9Sstevel@tonic-gate (create_reg->tblp[i].node_type == NULL)) { 23807c478bd9Sstevel@tonic-gate free(create_list_element); 23817c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 23827c478bd9Sstevel@tonic-gate "node_type value in module create\n"); 23837c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 23847c478bd9Sstevel@tonic-gate continue; 23857c478bd9Sstevel@tonic-gate } 23867c478bd9Sstevel@tonic-gate 23877c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) != 0) && 23887c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_EXACT) && 23897c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_RE) && 23907c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_PARTIAL)) { 23917c478bd9Sstevel@tonic-gate free(create_list_element); 23927c478bd9Sstevel@tonic-gate err_print("illegal TYPE_* flag combination in " 23937c478bd9Sstevel@tonic-gate "module create\n"); 23947c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 23957c478bd9Sstevel@tonic-gate continue; 23967c478bd9Sstevel@tonic-gate } 23977c478bd9Sstevel@tonic-gate 23987c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 23997c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 24007c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 24017c478bd9Sstevel@tonic-gate node_type_comp), 24027c478bd9Sstevel@tonic-gate create_reg->tblp[i].node_type, 24037c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 24047c478bd9Sstevel@tonic-gate free(create_list_element); 24057c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 24067c478bd9Sstevel@tonic-gate create_reg->tblp[i].node_type, 24077c478bd9Sstevel@tonic-gate n); 24087c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 24097c478bd9Sstevel@tonic-gate continue; 24107c478bd9Sstevel@tonic-gate } 24117c478bd9Sstevel@tonic-gate } 24127c478bd9Sstevel@tonic-gate 24137c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) == 0) ^ 24147c478bd9Sstevel@tonic-gate (create_reg->tblp[i].drv_name == NULL)) { 24157c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 24167c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 24177c478bd9Sstevel@tonic-gate node_type_comp)); 24187c478bd9Sstevel@tonic-gate } 24197c478bd9Sstevel@tonic-gate free(create_list_element); 24207c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 24217c478bd9Sstevel@tonic-gate "drv_name value in module create\n"); 24227c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 24237c478bd9Sstevel@tonic-gate continue; 24247c478bd9Sstevel@tonic-gate } 24257c478bd9Sstevel@tonic-gate 24267c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) != 0) && 24277c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_EXACT) && 24287c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_RE)) { 24297c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 24307c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 24317c478bd9Sstevel@tonic-gate node_type_comp)); 24327c478bd9Sstevel@tonic-gate } 24337c478bd9Sstevel@tonic-gate free(create_list_element); 24347c478bd9Sstevel@tonic-gate err_print("illegal DRV_* flag combination in " 24357c478bd9Sstevel@tonic-gate "module create\n"); 24367c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 24377c478bd9Sstevel@tonic-gate continue; 24387c478bd9Sstevel@tonic-gate } 24397c478bd9Sstevel@tonic-gate 24407c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 24417c478bd9Sstevel@tonic-gate if ((create_reg->tblp[i].flags & DRV_RE) == DRV_RE) { 24427c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 24437c478bd9Sstevel@tonic-gate drv_name_comp), 24447c478bd9Sstevel@tonic-gate create_reg->tblp[i].drv_name, 24457c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 24467c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 24477c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 24487c478bd9Sstevel@tonic-gate node_type_comp)); 24497c478bd9Sstevel@tonic-gate } 24507c478bd9Sstevel@tonic-gate free(create_list_element); 24517c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 24527c478bd9Sstevel@tonic-gate create_reg->tblp[i].drv_name, 24537c478bd9Sstevel@tonic-gate n); 24547c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 24557c478bd9Sstevel@tonic-gate continue; 24567c478bd9Sstevel@tonic-gate } 24577c478bd9Sstevel@tonic-gate } 24587c478bd9Sstevel@tonic-gate 24597c478bd9Sstevel@tonic-gate 24607c478bd9Sstevel@tonic-gate /* add to list sorted by interpose level */ 24617c478bd9Sstevel@tonic-gate for (create_list_next = &(create_head); 24627c478bd9Sstevel@tonic-gate (*create_list_next != NULL) && 24637c478bd9Sstevel@tonic-gate (*create_list_next)->create->interpose_lvl >= 24647c478bd9Sstevel@tonic-gate create_list_element->create->interpose_lvl; 24657c478bd9Sstevel@tonic-gate create_list_next = 24667c478bd9Sstevel@tonic-gate &((*create_list_next)->next)); 24677c478bd9Sstevel@tonic-gate create_list_element->next = *create_list_next; 24687c478bd9Sstevel@tonic-gate *create_list_next = create_list_element; 24697c478bd9Sstevel@tonic-gate } 24707c478bd9Sstevel@tonic-gate } 24717c478bd9Sstevel@tonic-gate 24727c478bd9Sstevel@tonic-gate /* 24737c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_remove on "remove_head" 24747c478bd9Sstevel@tonic-gate * list sorted by interpose_lvl. 24757c478bd9Sstevel@tonic-gate */ 24767c478bd9Sstevel@tonic-gate if (remove_reg != NULL) { 24777c478bd9Sstevel@tonic-gate for (i = 0; i < remove_reg->count; i++) { 24787c478bd9Sstevel@tonic-gate 24797c478bd9Sstevel@tonic-gate remove_list_element = (remove_list_t *) 24807c478bd9Sstevel@tonic-gate s_malloc(sizeof (remove_list_t)); 24817c478bd9Sstevel@tonic-gate 24827c478bd9Sstevel@tonic-gate remove_list_element->remove = &(remove_reg->tblp[i]); 24837c478bd9Sstevel@tonic-gate remove_list_element->modptr = module; 24847c478bd9Sstevel@tonic-gate 24857c478bd9Sstevel@tonic-gate for (remove_list_next = &(remove_head); 24867c478bd9Sstevel@tonic-gate (*remove_list_next != NULL) && 24877c478bd9Sstevel@tonic-gate (*remove_list_next)->remove->interpose_lvl >= 24887c478bd9Sstevel@tonic-gate remove_list_element->remove->interpose_lvl; 24897c478bd9Sstevel@tonic-gate remove_list_next = 24907c478bd9Sstevel@tonic-gate &((*remove_list_next)->next)); 24917c478bd9Sstevel@tonic-gate remove_list_element->next = *remove_list_next; 24927c478bd9Sstevel@tonic-gate *remove_list_next = remove_list_element; 24937c478bd9Sstevel@tonic-gate } 24947c478bd9Sstevel@tonic-gate } 24957c478bd9Sstevel@tonic-gate 24967c478bd9Sstevel@tonic-gate module->next = module_head; 24977c478bd9Sstevel@tonic-gate module_head = module; 24987c478bd9Sstevel@tonic-gate } 24997c478bd9Sstevel@tonic-gate 25007c478bd9Sstevel@tonic-gate /* 25017c478bd9Sstevel@tonic-gate * Create a thread to call minor_fini after some delay 25027c478bd9Sstevel@tonic-gate */ 25037c478bd9Sstevel@tonic-gate static void 25047c478bd9Sstevel@tonic-gate startup_cache_sync_thread() 25057c478bd9Sstevel@tonic-gate { 25067c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "startup_cache_sync_thread\n"); 25077c478bd9Sstevel@tonic-gate 25087c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 25097c478bd9Sstevel@tonic-gate 25107c478bd9Sstevel@tonic-gate minor_fini_delay_restart = TRUE; 25117c478bd9Sstevel@tonic-gate 25127c478bd9Sstevel@tonic-gate if (minor_fini_thread_created == FALSE) { 25137c478bd9Sstevel@tonic-gate 25147c478bd9Sstevel@tonic-gate if (thr_create(NULL, NULL, 25157c478bd9Sstevel@tonic-gate (void *(*)(void *))call_minor_fini_thread, NULL, 25167c478bd9Sstevel@tonic-gate THR_DETACHED, NULL)) { 25177c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "minor_fini", 25187c478bd9Sstevel@tonic-gate strerror(errno)); 25197c478bd9Sstevel@tonic-gate 25207c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 25217c478bd9Sstevel@tonic-gate 25227c478bd9Sstevel@tonic-gate /* 25237c478bd9Sstevel@tonic-gate * just sync state here instead of 25247c478bd9Sstevel@tonic-gate * giving up 25257c478bd9Sstevel@tonic-gate */ 25267c478bd9Sstevel@tonic-gate lock_dev(); 25277c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 25287c478bd9Sstevel@tonic-gate 25297c478bd9Sstevel@tonic-gate return; 25307c478bd9Sstevel@tonic-gate } 25317c478bd9Sstevel@tonic-gate minor_fini_thread_created = TRUE; 25327c478bd9Sstevel@tonic-gate } else { 25337c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "restarting delay\n"); 25347c478bd9Sstevel@tonic-gate } 25357c478bd9Sstevel@tonic-gate 25367c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 25377c478bd9Sstevel@tonic-gate } 25387c478bd9Sstevel@tonic-gate 25397c478bd9Sstevel@tonic-gate /* 25407c478bd9Sstevel@tonic-gate * after not receiving an event for minor_fini_timeout secs, we need 25417c478bd9Sstevel@tonic-gate * to call the minor_fini routines 25427c478bd9Sstevel@tonic-gate */ 25437c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 25447c478bd9Sstevel@tonic-gate static void 25457c478bd9Sstevel@tonic-gate call_minor_fini_thread(void *arg) 25467c478bd9Sstevel@tonic-gate { 25477c478bd9Sstevel@tonic-gate int count = 0; 25487c478bd9Sstevel@tonic-gate 25497c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 25507c478bd9Sstevel@tonic-gate 25517c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "call_minor_fini_thread starting\n"); 25527c478bd9Sstevel@tonic-gate 25537c478bd9Sstevel@tonic-gate do { 25547c478bd9Sstevel@tonic-gate minor_fini_delay_restart = FALSE; 25557c478bd9Sstevel@tonic-gate 25567c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 25577c478bd9Sstevel@tonic-gate (void) sleep(minor_fini_timeout); 25587c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 25597c478bd9Sstevel@tonic-gate 25607c478bd9Sstevel@tonic-gate /* 25617c478bd9Sstevel@tonic-gate * if minor_fini_delay_restart is still false then 25627c478bd9Sstevel@tonic-gate * we can call minor fini routines. 25637c478bd9Sstevel@tonic-gate * ensure that at least periodically minor_fini gets 25647c478bd9Sstevel@tonic-gate * called satisfying link generators depending on fini 25657c478bd9Sstevel@tonic-gate * being eventually called 25667c478bd9Sstevel@tonic-gate */ 25677c478bd9Sstevel@tonic-gate if ((count++ >= FORCE_CALL_MINOR_FINI) || 25687c478bd9Sstevel@tonic-gate (minor_fini_delay_restart == FALSE)) { 25697c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, 25707c478bd9Sstevel@tonic-gate "call_minor_fini starting (%d)\n", count); 25717c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 25727c478bd9Sstevel@tonic-gate 25737c478bd9Sstevel@tonic-gate lock_dev(); 25747c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 25757c478bd9Sstevel@tonic-gate 25767c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "call_minor_fini done\n"); 25777c478bd9Sstevel@tonic-gate 25787c478bd9Sstevel@tonic-gate /* 25797c478bd9Sstevel@tonic-gate * hang around before exiting just in case 25807c478bd9Sstevel@tonic-gate * minor_fini_delay_restart is set again 25817c478bd9Sstevel@tonic-gate */ 25827c478bd9Sstevel@tonic-gate (void) sleep(1); 25837c478bd9Sstevel@tonic-gate 25847c478bd9Sstevel@tonic-gate count = 0; 25857c478bd9Sstevel@tonic-gate 25867c478bd9Sstevel@tonic-gate (void) mutex_lock(&minor_fini_mutex); 25877c478bd9Sstevel@tonic-gate } 25887c478bd9Sstevel@tonic-gate } while (minor_fini_delay_restart); 25897c478bd9Sstevel@tonic-gate 25907c478bd9Sstevel@tonic-gate minor_fini_thread_created = FALSE; 25917c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 25927c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "call_minor_fini_thread exiting\n"); 25937c478bd9Sstevel@tonic-gate } 25947c478bd9Sstevel@tonic-gate 25957c478bd9Sstevel@tonic-gate /* 25967c478bd9Sstevel@tonic-gate * Attempt to initialize module, if a minor_init routine exists. Set 25977c478bd9Sstevel@tonic-gate * the active flag if the routine exists and succeeds. If it doesn't 25987c478bd9Sstevel@tonic-gate * exist, just set the active flag. 25997c478bd9Sstevel@tonic-gate */ 26007c478bd9Sstevel@tonic-gate static int 26017c478bd9Sstevel@tonic-gate call_minor_init(module_t *module) 26027c478bd9Sstevel@tonic-gate { 26037c478bd9Sstevel@tonic-gate char *fcn = "call_minor_init: "; 26047c478bd9Sstevel@tonic-gate 26057c478bd9Sstevel@tonic-gate if ((module->flags & MODULE_ACTIVE) == MODULE_ACTIVE) { 26067c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26077c478bd9Sstevel@tonic-gate } 26087c478bd9Sstevel@tonic-gate 26097c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "%smodule %s. current state: inactive\n", 26107c478bd9Sstevel@tonic-gate fcn, module->name); 26117c478bd9Sstevel@tonic-gate 26127c478bd9Sstevel@tonic-gate if (module->minor_init == NULL) { 26137c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 26147c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init not defined\n"); 26157c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26167c478bd9Sstevel@tonic-gate } 26177c478bd9Sstevel@tonic-gate 26187c478bd9Sstevel@tonic-gate if ((*(module->minor_init))() == DEVFSADM_FAILURE) { 26197c478bd9Sstevel@tonic-gate err_print(FAILED_FOR_MODULE, MINOR_INIT, module->name); 26207c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 26217c478bd9Sstevel@tonic-gate } 26227c478bd9Sstevel@tonic-gate 26237c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init() returns DEVFSADM_SUCCESS. " 26247c478bd9Sstevel@tonic-gate "new state: active\n"); 26257c478bd9Sstevel@tonic-gate 26267c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 26277c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26287c478bd9Sstevel@tonic-gate } 26297c478bd9Sstevel@tonic-gate 2630*055e805aSedp static int 2631*055e805aSedp i_mknod(char *path, int stype, int mode, dev_t dev, uid_t uid, gid_t gid) 2632*055e805aSedp { 2633*055e805aSedp struct stat sbuf; 2634*055e805aSedp 2635*055e805aSedp assert((stype & (S_IFCHR|S_IFBLK)) != 0); 2636*055e805aSedp assert((mode & S_IFMT) == 0); 2637*055e805aSedp 2638*055e805aSedp if (stat(path, &sbuf) == 0) { 2639*055e805aSedp /* 2640*055e805aSedp * the node already exists, check if it's device 2641*055e805aSedp * information is correct 2642*055e805aSedp */ 2643*055e805aSedp if (((sbuf.st_mode & S_IFMT) == stype) && 2644*055e805aSedp (sbuf.st_rdev == dev)) { 2645*055e805aSedp /* the device node is correct, continue */ 2646*055e805aSedp return (DEVFSADM_SUCCESS); 2647*055e805aSedp } 2648*055e805aSedp /* 2649*055e805aSedp * the device node already exists but has the wrong 2650*055e805aSedp * mode/dev_t value. we need to delete the current 2651*055e805aSedp * node and re-create it with the correct mode/dev_t 2652*055e805aSedp * value, but we also want to preserve the current 2653*055e805aSedp * owner and permission information. 2654*055e805aSedp */ 2655*055e805aSedp uid = sbuf.st_uid; 2656*055e805aSedp gid = sbuf.st_gid; 2657*055e805aSedp mode = sbuf.st_mode & ~S_IFMT; 2658*055e805aSedp s_unlink(path); 2659*055e805aSedp } 2660*055e805aSedp 2661*055e805aSedp top: 2662*055e805aSedp if (mknod(path, stype | mode, dev) == -1) { 2663*055e805aSedp if (errno == ENOENT) { 2664*055e805aSedp /* dirpath to node doesn't exist, create it */ 2665*055e805aSedp char *hide = strrchr(path, '/'); 2666*055e805aSedp *hide = '\0'; 2667*055e805aSedp s_mkdirp(path, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); 2668*055e805aSedp *hide = '/'; 2669*055e805aSedp goto top; 2670*055e805aSedp } 2671*055e805aSedp err_print(MKNOD_FAILED, path, strerror(errno)); 2672*055e805aSedp return (DEVFSADM_FAILURE); 2673*055e805aSedp } else { 2674*055e805aSedp /* 2675*055e805aSedp * If we successfully made the node, then set its owner 2676*055e805aSedp * and group. Existing nodes will be unaffected. 2677*055e805aSedp */ 2678*055e805aSedp (void) chown(path, uid, gid); 2679*055e805aSedp } 2680*055e805aSedp return (DEVFSADM_SUCCESS); 2681*055e805aSedp } 2682*055e805aSedp 26837c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 26847c478bd9Sstevel@tonic-gate int 26857c478bd9Sstevel@tonic-gate devfsadm_mklink_zone(struct zone_devinfo *z, char *link, di_node_t node, 26867c478bd9Sstevel@tonic-gate di_minor_t minor, int flags) 26877c478bd9Sstevel@tonic-gate { 26887c478bd9Sstevel@tonic-gate char path[PATH_MAX]; 26897c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX]; 26907c478bd9Sstevel@tonic-gate char *dev_pathp; 26917c478bd9Sstevel@tonic-gate char *acontents, *aminor = NULL; 26927c478bd9Sstevel@tonic-gate mode_t mode; 26937c478bd9Sstevel@tonic-gate uid_t uid; 26947c478bd9Sstevel@tonic-gate gid_t gid; 26957c478bd9Sstevel@tonic-gate dev_t dev; 26967c478bd9Sstevel@tonic-gate struct zone_devtab out_match; 26977c478bd9Sstevel@tonic-gate 26987c478bd9Sstevel@tonic-gate if (zonecfg_match_dev(z->zone_dochdl, link, &out_match) != Z_OK) { 26997c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 27007c478bd9Sstevel@tonic-gate } 27017c478bd9Sstevel@tonic-gate 27027c478bd9Sstevel@tonic-gate vprint(ZONE_MID, "zone device match: <device match=\"%s\"> " 27037c478bd9Sstevel@tonic-gate "matches /dev/%s\n", out_match.zone_dev_match, link); 27047c478bd9Sstevel@tonic-gate 27057c478bd9Sstevel@tonic-gate /* 27067c478bd9Sstevel@tonic-gate * In daemon mode, zone_path will be non-empty. In non-daemon mode 27077c478bd9Sstevel@tonic-gate * it will be empty since we've already stuck the zone into dev_dir, 27087c478bd9Sstevel@tonic-gate * etc. 27097c478bd9Sstevel@tonic-gate */ 27107c478bd9Sstevel@tonic-gate (void) snprintf(path, sizeof (path), "%s/dev/%s", z->zone_path, link); 27117c478bd9Sstevel@tonic-gate dev = di_minor_devt(minor); 27127c478bd9Sstevel@tonic-gate 27137c478bd9Sstevel@tonic-gate /* 27147c478bd9Sstevel@tonic-gate * If this is an alias node (i.e. a clone node), we have to figure 27157c478bd9Sstevel@tonic-gate * out the minor name. 27167c478bd9Sstevel@tonic-gate */ 27177c478bd9Sstevel@tonic-gate if (di_minor_type(minor) == DDM_ALIAS) { 27187c478bd9Sstevel@tonic-gate /* use /pseudo/clone@0:<driver> as the phys path */ 27197c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), 27207c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", 27217c478bd9Sstevel@tonic-gate di_driver_name(di_minor_devinfo(minor))); 27227c478bd9Sstevel@tonic-gate aminor = di_minor_name(minor); 27237c478bd9Sstevel@tonic-gate acontents = phy_path; 27247c478bd9Sstevel@tonic-gate } else { 27257c478bd9Sstevel@tonic-gate if ((dev_pathp = di_devfs_path(node)) == NULL) { 27267c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 27277c478bd9Sstevel@tonic-gate devfsadm_exit(1); 27287c478bd9Sstevel@tonic-gate } 27297c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), "%s:%s", 27307c478bd9Sstevel@tonic-gate dev_pathp, di_minor_name(minor)); 27317c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_pathp); 27327c478bd9Sstevel@tonic-gate acontents = phy_path; 27337c478bd9Sstevel@tonic-gate } 27347c478bd9Sstevel@tonic-gate 27357c478bd9Sstevel@tonic-gate 27367c478bd9Sstevel@tonic-gate getattr(acontents, aminor, di_minor_spectype(minor), dev, 27377c478bd9Sstevel@tonic-gate &mode, &uid, &gid); 27387c478bd9Sstevel@tonic-gate vprint(ZONE_MID, "zone getattr(%s, %s, %d, %lu, 0%lo, %lu, %lu)\n", 27397c478bd9Sstevel@tonic-gate acontents, aminor ? aminor : "<NULL>", di_minor_spectype(minor), 27407c478bd9Sstevel@tonic-gate dev, mode, uid, gid); 27417c478bd9Sstevel@tonic-gate 2742*055e805aSedp /* Create the node */ 2743*055e805aSedp return (i_mknod(path, di_minor_spectype(minor), mode, dev, uid, gid)); 27447c478bd9Sstevel@tonic-gate } 27457c478bd9Sstevel@tonic-gate 27467c478bd9Sstevel@tonic-gate /* 27477c478bd9Sstevel@tonic-gate * Creates a symlink 'link' to the physical path of node:minor. 27487c478bd9Sstevel@tonic-gate * Construct link contents, then call create_link_common(). 27497c478bd9Sstevel@tonic-gate */ 27507c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 27517c478bd9Sstevel@tonic-gate int 27527c478bd9Sstevel@tonic-gate devfsadm_mklink_default(char *link, di_node_t node, di_minor_t minor, int flags) 27537c478bd9Sstevel@tonic-gate { 27547c478bd9Sstevel@tonic-gate char rcontents[PATH_MAX]; 27557c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 27567c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX]; 27577c478bd9Sstevel@tonic-gate char *acontents; 27587c478bd9Sstevel@tonic-gate char *dev_path; 27597c478bd9Sstevel@tonic-gate int numslashes; 27607c478bd9Sstevel@tonic-gate int rv; 27617c478bd9Sstevel@tonic-gate int i, link_exists; 27627c478bd9Sstevel@tonic-gate int last_was_slash = FALSE; 27637c478bd9Sstevel@tonic-gate 27647c478bd9Sstevel@tonic-gate /* 27657c478bd9Sstevel@tonic-gate * try to use devices path 27667c478bd9Sstevel@tonic-gate */ 27677c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 27687c478bd9Sstevel@tonic-gate acontents = lphy_path; 27697c478bd9Sstevel@tonic-gate } else if (di_minor_type(minor) == DDM_ALIAS) { 27707c478bd9Sstevel@tonic-gate /* use /pseudo/clone@0:<driver> as the phys path */ 27717c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), 27727c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", 27737c478bd9Sstevel@tonic-gate di_driver_name(di_minor_devinfo(minor))); 27747c478bd9Sstevel@tonic-gate acontents = phy_path; 27757c478bd9Sstevel@tonic-gate } else { 27767c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 27777c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 27787c478bd9Sstevel@tonic-gate devfsadm_exit(1); 27797c478bd9Sstevel@tonic-gate } 27807c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), "%s:%s", 27817c478bd9Sstevel@tonic-gate dev_path, di_minor_name(minor)); 27827c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 27837c478bd9Sstevel@tonic-gate acontents = phy_path; 27847c478bd9Sstevel@tonic-gate } 27857c478bd9Sstevel@tonic-gate 27867c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 27877c478bd9Sstevel@tonic-gate (void) strlcpy(devlink, dev_dir, sizeof (devlink)); 27887c478bd9Sstevel@tonic-gate (void) strlcat(devlink, "/", sizeof (devlink)); 27897c478bd9Sstevel@tonic-gate (void) strlcat(devlink, link, sizeof (devlink)); 27907c478bd9Sstevel@tonic-gate 27917c478bd9Sstevel@tonic-gate /* 27927c478bd9Sstevel@tonic-gate * Calculate # of ../ to add. Account for double '//' in path. 27937c478bd9Sstevel@tonic-gate * Ignore all leading slashes. 27947c478bd9Sstevel@tonic-gate */ 27957c478bd9Sstevel@tonic-gate for (i = 0; link[i] == '/'; i++) 27967c478bd9Sstevel@tonic-gate ; 27977c478bd9Sstevel@tonic-gate for (numslashes = 0; link[i] != '\0'; i++) { 27987c478bd9Sstevel@tonic-gate if (link[i] == '/') { 27997c478bd9Sstevel@tonic-gate if (last_was_slash == FALSE) { 28007c478bd9Sstevel@tonic-gate numslashes++; 28017c478bd9Sstevel@tonic-gate last_was_slash = TRUE; 28027c478bd9Sstevel@tonic-gate } 28037c478bd9Sstevel@tonic-gate } else { 28047c478bd9Sstevel@tonic-gate last_was_slash = FALSE; 28057c478bd9Sstevel@tonic-gate } 28067c478bd9Sstevel@tonic-gate } 28077c478bd9Sstevel@tonic-gate /* Don't count any trailing '/' */ 28087c478bd9Sstevel@tonic-gate if (link[i-1] == '/') { 28097c478bd9Sstevel@tonic-gate numslashes--; 28107c478bd9Sstevel@tonic-gate } 28117c478bd9Sstevel@tonic-gate 28127c478bd9Sstevel@tonic-gate rcontents[0] = '\0'; 28137c478bd9Sstevel@tonic-gate do { 28147c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "../", sizeof (rcontents)); 28157c478bd9Sstevel@tonic-gate } while (numslashes-- != 0); 28167c478bd9Sstevel@tonic-gate 28177c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "devices", sizeof (rcontents)); 28187c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, acontents, sizeof (rcontents)); 28197c478bd9Sstevel@tonic-gate 28207c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 28217c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding link %s ==> %s\n", devlink, rcontents); 28227c478bd9Sstevel@tonic-gate } 28237c478bd9Sstevel@tonic-gate 28247c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, rcontents, &link_exists)) 28257c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 28267c478bd9Sstevel@tonic-gate linknew = TRUE; 28277c478bd9Sstevel@tonic-gate add_link_to_cache(link, acontents); 28287c478bd9Sstevel@tonic-gate } else { 28297c478bd9Sstevel@tonic-gate linknew = FALSE; 28307c478bd9Sstevel@tonic-gate } 28317c478bd9Sstevel@tonic-gate 28327c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 28337c478bd9Sstevel@tonic-gate /* Link exists or was just created */ 28347c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, rcontents, 28357c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK); 28367c478bd9Sstevel@tonic-gate } 28377c478bd9Sstevel@tonic-gate 28387c478bd9Sstevel@tonic-gate return (rv); 28397c478bd9Sstevel@tonic-gate } 28407c478bd9Sstevel@tonic-gate 28417c478bd9Sstevel@tonic-gate int 28427c478bd9Sstevel@tonic-gate devfsadm_mklink(char *link, di_node_t node, di_minor_t minor, int flags) 28437c478bd9Sstevel@tonic-gate { 28447c478bd9Sstevel@tonic-gate struct zone_devinfo *z; 28457c478bd9Sstevel@tonic-gate int error; 28467c478bd9Sstevel@tonic-gate 28477c478bd9Sstevel@tonic-gate /* 28487c478bd9Sstevel@tonic-gate * If we're in zone mode (also implies !daemon_mode), then the 28497c478bd9Sstevel@tonic-gate * zone devinfo list has only one element, the zone we're configuring, 28507c478bd9Sstevel@tonic-gate * and we can just use zone_head. 28517c478bd9Sstevel@tonic-gate */ 28527c478bd9Sstevel@tonic-gate if (zone_cmd_mode) 28537c478bd9Sstevel@tonic-gate return (devfsadm_mklink_zone(zone_head, link, node, 28547c478bd9Sstevel@tonic-gate minor, flags)); 28557c478bd9Sstevel@tonic-gate else if (!daemon_mode) 28567c478bd9Sstevel@tonic-gate return (devfsadm_mklink_default(link, node, minor, flags)); 28577c478bd9Sstevel@tonic-gate 28587c478bd9Sstevel@tonic-gate /* 28597c478bd9Sstevel@tonic-gate * We're in daemon mode, so we need to make the link in the global 28607c478bd9Sstevel@tonic-gate * zone; then, walk the list of zones, creating the corresponding 28617c478bd9Sstevel@tonic-gate * mknod'd nodes in each. 28627c478bd9Sstevel@tonic-gate */ 28637c478bd9Sstevel@tonic-gate error = devfsadm_mklink_default(link, node, minor, flags); 28647c478bd9Sstevel@tonic-gate 28657c478bd9Sstevel@tonic-gate (void) mutex_lock(&zone_mutex); 28667c478bd9Sstevel@tonic-gate for (z = zone_head; z != NULL; z = z->zone_next) { 28677c478bd9Sstevel@tonic-gate (void) devfsadm_mklink_zone(z, link, node, minor, flags); 28687c478bd9Sstevel@tonic-gate } 28697c478bd9Sstevel@tonic-gate (void) mutex_unlock(&zone_mutex); 28707c478bd9Sstevel@tonic-gate return (error); 28717c478bd9Sstevel@tonic-gate } 28727c478bd9Sstevel@tonic-gate 28737c478bd9Sstevel@tonic-gate /* 28747c478bd9Sstevel@tonic-gate * Creates a symlink link to primary_link. Calculates relative 28757c478bd9Sstevel@tonic-gate * directory offsets, then calls link_common(). 28767c478bd9Sstevel@tonic-gate */ 28777c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 28787c478bd9Sstevel@tonic-gate int 28797c478bd9Sstevel@tonic-gate devfsadm_secondary_link(char *link, char *primary_link, int flags) 28807c478bd9Sstevel@tonic-gate { 28817c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 28827c478bd9Sstevel@tonic-gate char devlink[PATH_MAX + 1]; 28837c478bd9Sstevel@tonic-gate int rv, link_exists; 28847c478bd9Sstevel@tonic-gate char *fpath; 28857c478bd9Sstevel@tonic-gate char *tpath; 28867c478bd9Sstevel@tonic-gate char *op; 28877c478bd9Sstevel@tonic-gate 28887c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 28897c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 28907c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 28917c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 28927c478bd9Sstevel@tonic-gate /* 28937c478bd9Sstevel@tonic-gate * building extra link, so use first link as link contents, but first 28947c478bd9Sstevel@tonic-gate * make it relative. 28957c478bd9Sstevel@tonic-gate */ 28967c478bd9Sstevel@tonic-gate fpath = link; 28977c478bd9Sstevel@tonic-gate tpath = primary_link; 28987c478bd9Sstevel@tonic-gate op = contents; 28997c478bd9Sstevel@tonic-gate 29007c478bd9Sstevel@tonic-gate while (*fpath == *tpath && *fpath != '\0') { 29017c478bd9Sstevel@tonic-gate fpath++, tpath++; 29027c478bd9Sstevel@tonic-gate } 29037c478bd9Sstevel@tonic-gate 29047c478bd9Sstevel@tonic-gate /* Count directories to go up, if any, and add "../" */ 29057c478bd9Sstevel@tonic-gate while (*fpath != '\0') { 29067c478bd9Sstevel@tonic-gate if (*fpath == '/') { 29077c478bd9Sstevel@tonic-gate (void) strcpy(op, "../"); 29087c478bd9Sstevel@tonic-gate op += 3; 29097c478bd9Sstevel@tonic-gate } 29107c478bd9Sstevel@tonic-gate fpath++; 29117c478bd9Sstevel@tonic-gate } 29127c478bd9Sstevel@tonic-gate 29137c478bd9Sstevel@tonic-gate /* 29147c478bd9Sstevel@tonic-gate * Back up to the start of the current path component, in 29157c478bd9Sstevel@tonic-gate * case in the middle 29167c478bd9Sstevel@tonic-gate */ 29177c478bd9Sstevel@tonic-gate while (tpath != primary_link && *(tpath-1) != '/') { 29187c478bd9Sstevel@tonic-gate tpath--; 29197c478bd9Sstevel@tonic-gate } 29207c478bd9Sstevel@tonic-gate (void) strcpy(op, tpath); 29217c478bd9Sstevel@tonic-gate 29227c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 29237c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding extra link %s ==> %s\n", 29247c478bd9Sstevel@tonic-gate devlink, contents); 29257c478bd9Sstevel@tonic-gate } 29267c478bd9Sstevel@tonic-gate 29277c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, contents, &link_exists)) 29287c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 29297c478bd9Sstevel@tonic-gate /* 29307c478bd9Sstevel@tonic-gate * we need to save the ultimate /devices contents, and not the 29317c478bd9Sstevel@tonic-gate * secondary link, since hotcleanup only looks at /devices path. 29327c478bd9Sstevel@tonic-gate * Since we don't have devices path here, we can try to get it 29337c478bd9Sstevel@tonic-gate * by readlink'ing the secondary link. This assumes the primary 29347c478bd9Sstevel@tonic-gate * link was created first. 29357c478bd9Sstevel@tonic-gate */ 29367c478bd9Sstevel@tonic-gate add_link_to_cache(link, lphy_path); 29377c478bd9Sstevel@tonic-gate linknew = TRUE; 29387c478bd9Sstevel@tonic-gate } else { 29397c478bd9Sstevel@tonic-gate linknew = FALSE; 29407c478bd9Sstevel@tonic-gate } 29417c478bd9Sstevel@tonic-gate 29427c478bd9Sstevel@tonic-gate /* 29437c478bd9Sstevel@tonic-gate * If link exists or was just created, add it to the database 29447c478bd9Sstevel@tonic-gate */ 29457c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 29467c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, 29477c478bd9Sstevel@tonic-gate DI_SECONDARY_LINK); 29487c478bd9Sstevel@tonic-gate } 29497c478bd9Sstevel@tonic-gate 29507c478bd9Sstevel@tonic-gate return (rv); 29517c478bd9Sstevel@tonic-gate } 29527c478bd9Sstevel@tonic-gate 29537c478bd9Sstevel@tonic-gate /* returns pointer to the devices directory */ 29547c478bd9Sstevel@tonic-gate char * 29557c478bd9Sstevel@tonic-gate devfsadm_get_devices_dir() 29567c478bd9Sstevel@tonic-gate { 29577c478bd9Sstevel@tonic-gate return (devices_dir); 29587c478bd9Sstevel@tonic-gate } 29597c478bd9Sstevel@tonic-gate 29607c478bd9Sstevel@tonic-gate /* 29617c478bd9Sstevel@tonic-gate * Does the actual link creation. VERBOSE_MID only used if there is 29627c478bd9Sstevel@tonic-gate * a change. CHATTY_MID used otherwise. 29637c478bd9Sstevel@tonic-gate */ 29647c478bd9Sstevel@tonic-gate static int 29657c478bd9Sstevel@tonic-gate create_link_common(char *devlink, char *contents, int *exists) 29667c478bd9Sstevel@tonic-gate { 29677c478bd9Sstevel@tonic-gate int try; 29687c478bd9Sstevel@tonic-gate int linksize; 29697c478bd9Sstevel@tonic-gate int max_tries = 0; 29707c478bd9Sstevel@tonic-gate static int prev_link_existed = TRUE; 29717c478bd9Sstevel@tonic-gate char checkcontents[PATH_MAX + 1]; 29727c478bd9Sstevel@tonic-gate char *hide; 29737c478bd9Sstevel@tonic-gate 29747c478bd9Sstevel@tonic-gate *exists = FALSE; 29757c478bd9Sstevel@tonic-gate 29767c478bd9Sstevel@tonic-gate /* Database is not updated when file_mods == FALSE */ 29777c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 29787c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 29797c478bd9Sstevel@tonic-gate if (linksize > 0) { 29807c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 29817c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 29827c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, REMOVING_LINK, 29837c478bd9Sstevel@tonic-gate devlink, checkcontents); 29847c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 29857c478bd9Sstevel@tonic-gate } else { 29867c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "link exists and is correct:" 29877c478bd9Sstevel@tonic-gate " %s -> %s\n", devlink, contents); 29887c478bd9Sstevel@tonic-gate /* failure only in that the link existed */ 29897c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 29907c478bd9Sstevel@tonic-gate } 29917c478bd9Sstevel@tonic-gate } else { 29927c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, contents); 29937c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 29947c478bd9Sstevel@tonic-gate } 29957c478bd9Sstevel@tonic-gate } 29967c478bd9Sstevel@tonic-gate 29977c478bd9Sstevel@tonic-gate /* 29987c478bd9Sstevel@tonic-gate * systems calls are expensive, so predict whether to readlink 29997c478bd9Sstevel@tonic-gate * or symlink first, based on previous attempt 30007c478bd9Sstevel@tonic-gate */ 30017c478bd9Sstevel@tonic-gate if (prev_link_existed == FALSE) { 30027c478bd9Sstevel@tonic-gate try = CREATE_LINK; 30037c478bd9Sstevel@tonic-gate } else { 30047c478bd9Sstevel@tonic-gate try = READ_LINK; 30057c478bd9Sstevel@tonic-gate } 30067c478bd9Sstevel@tonic-gate 30077c478bd9Sstevel@tonic-gate while (++max_tries <= 3) { 30087c478bd9Sstevel@tonic-gate 30097c478bd9Sstevel@tonic-gate switch (try) { 30107c478bd9Sstevel@tonic-gate case CREATE_LINK: 30117c478bd9Sstevel@tonic-gate 30127c478bd9Sstevel@tonic-gate if (symlink(contents, devlink) == 0) { 30137c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, 30147c478bd9Sstevel@tonic-gate contents); 30157c478bd9Sstevel@tonic-gate prev_link_existed = FALSE; 30167c478bd9Sstevel@tonic-gate /* link successfully created */ 30177c478bd9Sstevel@tonic-gate *exists = TRUE; 30187c478bd9Sstevel@tonic-gate set_logindev_perms(devlink); 30197c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 30207c478bd9Sstevel@tonic-gate } else { 30217c478bd9Sstevel@tonic-gate switch (errno) { 30227c478bd9Sstevel@tonic-gate 30237c478bd9Sstevel@tonic-gate case ENOENT: 30247c478bd9Sstevel@tonic-gate /* dirpath to node doesn't exist */ 30257c478bd9Sstevel@tonic-gate hide = strrchr(devlink, '/'); 30267c478bd9Sstevel@tonic-gate *hide = '\0'; 30277c478bd9Sstevel@tonic-gate s_mkdirp(devlink, S_IRWXU|S_IRGRP| 30287c478bd9Sstevel@tonic-gate S_IXGRP|S_IROTH|S_IXOTH); 30297c478bd9Sstevel@tonic-gate *hide = '/'; 30307c478bd9Sstevel@tonic-gate break; 30317c478bd9Sstevel@tonic-gate case EEXIST: 30327c478bd9Sstevel@tonic-gate try = READ_LINK; 30337c478bd9Sstevel@tonic-gate break; 30347c478bd9Sstevel@tonic-gate default: 30357c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, devlink, 30367c478bd9Sstevel@tonic-gate contents, strerror(errno)); 30377c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 30387c478bd9Sstevel@tonic-gate } 30397c478bd9Sstevel@tonic-gate } 30407c478bd9Sstevel@tonic-gate break; 30417c478bd9Sstevel@tonic-gate 30427c478bd9Sstevel@tonic-gate case READ_LINK: 30437c478bd9Sstevel@tonic-gate 30447c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 30457c478bd9Sstevel@tonic-gate if (linksize >= 0) { 30467c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 30477c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 30487c478bd9Sstevel@tonic-gate s_unlink(devlink); 30497c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, REMOVING_LINK, 30507c478bd9Sstevel@tonic-gate devlink, checkcontents); 30517c478bd9Sstevel@tonic-gate try = CREATE_LINK; 30527c478bd9Sstevel@tonic-gate } else { 30537c478bd9Sstevel@tonic-gate prev_link_existed = TRUE; 30547c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, 30557c478bd9Sstevel@tonic-gate "link exists and is correct:" 30567c478bd9Sstevel@tonic-gate " %s -> %s\n", devlink, 30577c478bd9Sstevel@tonic-gate contents); 30587c478bd9Sstevel@tonic-gate *exists = TRUE; 30597c478bd9Sstevel@tonic-gate /* failure in that the link existed */ 30607c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 30617c478bd9Sstevel@tonic-gate } 30627c478bd9Sstevel@tonic-gate } else { 30637c478bd9Sstevel@tonic-gate switch (errno) { 30647c478bd9Sstevel@tonic-gate case EINVAL: 30657c478bd9Sstevel@tonic-gate /* not a symlink, remove and create */ 30667c478bd9Sstevel@tonic-gate s_unlink(devlink); 30677c478bd9Sstevel@tonic-gate default: 30687c478bd9Sstevel@tonic-gate /* maybe it didn't exist at all */ 30697c478bd9Sstevel@tonic-gate try = CREATE_LINK; 30707c478bd9Sstevel@tonic-gate break; 30717c478bd9Sstevel@tonic-gate } 30727c478bd9Sstevel@tonic-gate } 30737c478bd9Sstevel@tonic-gate break; 30747c478bd9Sstevel@tonic-gate } 30757c478bd9Sstevel@tonic-gate } 30767c478bd9Sstevel@tonic-gate err_print(MAX_ATTEMPTS, devlink, contents); 30777c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 30787c478bd9Sstevel@tonic-gate } 30797c478bd9Sstevel@tonic-gate 30807c478bd9Sstevel@tonic-gate static void 30817c478bd9Sstevel@tonic-gate set_logindev_perms(char *devlink) 30827c478bd9Sstevel@tonic-gate { 30837c478bd9Sstevel@tonic-gate struct login_dev *newdev; 30847c478bd9Sstevel@tonic-gate struct passwd pwd, *resp; 30857c478bd9Sstevel@tonic-gate char pwd_buf[PATH_MAX]; 30867c478bd9Sstevel@tonic-gate int rv; 30877c478bd9Sstevel@tonic-gate struct stat sb; 30887c478bd9Sstevel@tonic-gate char *devfs_path = NULL; 30897c478bd9Sstevel@tonic-gate 30907c478bd9Sstevel@tonic-gate /* 30917c478bd9Sstevel@tonic-gate * We only want logindev perms to be set when a device is 30927c478bd9Sstevel@tonic-gate * hotplugged or an application requests synchronous creates. 30937c478bd9Sstevel@tonic-gate * So we enable this only in daemon mode. In addition, 30947c478bd9Sstevel@tonic-gate * login(1) only fixes the std. /dev dir. So we don't 30957c478bd9Sstevel@tonic-gate * change perms if alternate root is set. 30967c478bd9Sstevel@tonic-gate * login_dev_enable is TRUE only in these cases. 30977c478bd9Sstevel@tonic-gate */ 30987c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 30997c478bd9Sstevel@tonic-gate return; 31007c478bd9Sstevel@tonic-gate 31017c478bd9Sstevel@tonic-gate /* 31027c478bd9Sstevel@tonic-gate * Normally, /etc/logindevperm has few (8 - 10 entries) which 31037c478bd9Sstevel@tonic-gate * may be regular expressions (globs were converted to RE). 31047c478bd9Sstevel@tonic-gate * So just do a linear search through the list. 31057c478bd9Sstevel@tonic-gate */ 31067c478bd9Sstevel@tonic-gate for (newdev = login_dev_cache; newdev; newdev = newdev->ldev_next) { 31077c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matching %s with %s\n", devlink, 31087c478bd9Sstevel@tonic-gate newdev->ldev_device); 31097c478bd9Sstevel@tonic-gate 31107c478bd9Sstevel@tonic-gate if (regexec(&newdev->ldev_device_regex, devlink, 0, 31117c478bd9Sstevel@tonic-gate NULL, 0) == 0) { 31127c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matched %s with %s\n", devlink, 31137c478bd9Sstevel@tonic-gate newdev->ldev_device); 31147c478bd9Sstevel@tonic-gate break; 31157c478bd9Sstevel@tonic-gate } 31167c478bd9Sstevel@tonic-gate } 31177c478bd9Sstevel@tonic-gate 31187c478bd9Sstevel@tonic-gate if (newdev == NULL) 31197c478bd9Sstevel@tonic-gate return; 31207c478bd9Sstevel@tonic-gate 31217c478bd9Sstevel@tonic-gate /* 31227c478bd9Sstevel@tonic-gate * we have a match, now find the driver associated with this 31237c478bd9Sstevel@tonic-gate * minor node using a snapshot on the physical path 31247c478bd9Sstevel@tonic-gate */ 31257c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, &devfs_path, 0); 31267c478bd9Sstevel@tonic-gate if (devfs_path) { 31277c478bd9Sstevel@tonic-gate di_node_t node; 31287c478bd9Sstevel@tonic-gate char *drv = NULL; 31297c478bd9Sstevel@tonic-gate struct driver_list *list; 31307c478bd9Sstevel@tonic-gate char *p; 31317c478bd9Sstevel@tonic-gate 31327c478bd9Sstevel@tonic-gate /* truncate on : so we can take a snapshot */ 31337c478bd9Sstevel@tonic-gate (void) strcpy(pwd_buf, devfs_path); 31347c478bd9Sstevel@tonic-gate p = strrchr(pwd_buf, ':'); 31357c478bd9Sstevel@tonic-gate if (p == NULL) { 31367c478bd9Sstevel@tonic-gate free(devfs_path); 31377c478bd9Sstevel@tonic-gate return; 31387c478bd9Sstevel@tonic-gate } 31397c478bd9Sstevel@tonic-gate *p = '\0'; 31407c478bd9Sstevel@tonic-gate 31417c478bd9Sstevel@tonic-gate vprint(FILES_MID, "link=%s->physpath=%s\n", 31427c478bd9Sstevel@tonic-gate devlink, pwd_buf); 31437c478bd9Sstevel@tonic-gate 31447c478bd9Sstevel@tonic-gate node = di_init(pwd_buf, DINFOMINOR); 31457c478bd9Sstevel@tonic-gate 31467c478bd9Sstevel@tonic-gate if (node) { 31477c478bd9Sstevel@tonic-gate drv = di_driver_name(node); 31487c478bd9Sstevel@tonic-gate 31497c478bd9Sstevel@tonic-gate if (drv) { 31507c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s: driver is %s\n", 31517c478bd9Sstevel@tonic-gate devlink, drv); 31527c478bd9Sstevel@tonic-gate } 31537c478bd9Sstevel@tonic-gate di_fini(node); 31547c478bd9Sstevel@tonic-gate } 31557c478bd9Sstevel@tonic-gate /* search thru the driver list specified in logindevperm */ 31567c478bd9Sstevel@tonic-gate list = newdev->ldev_driver_list; 31577c478bd9Sstevel@tonic-gate if ((drv != NULL) && (list != NULL)) { 31587c478bd9Sstevel@tonic-gate while (list) { 31597c478bd9Sstevel@tonic-gate if (strcmp(list->driver_name, 31607c478bd9Sstevel@tonic-gate drv) == 0) { 31617c478bd9Sstevel@tonic-gate vprint(FILES_MID, 31627c478bd9Sstevel@tonic-gate "driver %s match!\n", drv); 31637c478bd9Sstevel@tonic-gate break; 31647c478bd9Sstevel@tonic-gate } 31657c478bd9Sstevel@tonic-gate list = list->next; 31667c478bd9Sstevel@tonic-gate } 31677c478bd9Sstevel@tonic-gate if (list == NULL) { 31687c478bd9Sstevel@tonic-gate vprint(FILES_MID, "no driver match!\n"); 31697c478bd9Sstevel@tonic-gate free(devfs_path); 31707c478bd9Sstevel@tonic-gate return; 31717c478bd9Sstevel@tonic-gate } 31727c478bd9Sstevel@tonic-gate } 31737c478bd9Sstevel@tonic-gate free(devfs_path); 31747c478bd9Sstevel@tonic-gate } else { 31757c478bd9Sstevel@tonic-gate return; 31767c478bd9Sstevel@tonic-gate } 31777c478bd9Sstevel@tonic-gate 31787c478bd9Sstevel@tonic-gate vprint(FILES_MID, "changing permissions of %s\n", devlink); 31797c478bd9Sstevel@tonic-gate 31807c478bd9Sstevel@tonic-gate /* 31817c478bd9Sstevel@tonic-gate * We have a match. We now attempt to determine the 31827c478bd9Sstevel@tonic-gate * owner and group of the console user. 31837c478bd9Sstevel@tonic-gate * 31847c478bd9Sstevel@tonic-gate * stat() the console device newdev->ldev_console 31857c478bd9Sstevel@tonic-gate * which will always exist - it will have the right owner but 31867c478bd9Sstevel@tonic-gate * not the right group. Use getpwuid_r() to determine group for this 31877c478bd9Sstevel@tonic-gate * uid. 31887c478bd9Sstevel@tonic-gate * Note, it is safe to use name service here since if name services 31897c478bd9Sstevel@tonic-gate * are not available (during boot or in single-user mode), then 31907c478bd9Sstevel@tonic-gate * console owner will be root and its gid can be found in 31917c478bd9Sstevel@tonic-gate * local files. 31927c478bd9Sstevel@tonic-gate */ 31937c478bd9Sstevel@tonic-gate if (stat(newdev->ldev_console, &sb) == -1) { 31947c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, STAT_FAILED, newdev->ldev_console, 31957c478bd9Sstevel@tonic-gate strerror(errno)); 31967c478bd9Sstevel@tonic-gate return; 31977c478bd9Sstevel@tonic-gate } 31987c478bd9Sstevel@tonic-gate 31997c478bd9Sstevel@tonic-gate resp = NULL; 32007c478bd9Sstevel@tonic-gate rv = getpwuid_r(sb.st_uid, &pwd, pwd_buf, sizeof (pwd_buf), &resp); 32017c478bd9Sstevel@tonic-gate if (rv || resp == NULL) { 32027c478bd9Sstevel@tonic-gate rv = rv ? rv : EINVAL; 32037c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, GID_FAILED, sb.st_uid, 32047c478bd9Sstevel@tonic-gate strerror(rv)); 32057c478bd9Sstevel@tonic-gate return; 32067c478bd9Sstevel@tonic-gate } 32077c478bd9Sstevel@tonic-gate 32087c478bd9Sstevel@tonic-gate assert(&pwd == resp); 32097c478bd9Sstevel@tonic-gate 32107c478bd9Sstevel@tonic-gate sb.st_gid = resp->pw_gid; 32117c478bd9Sstevel@tonic-gate 32127c478bd9Sstevel@tonic-gate if (chmod(devlink, newdev->ldev_perms) == -1) { 32137c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, devlink, 32147c478bd9Sstevel@tonic-gate strerror(errno)); 32157c478bd9Sstevel@tonic-gate return; 32167c478bd9Sstevel@tonic-gate } 32177c478bd9Sstevel@tonic-gate 32187c478bd9Sstevel@tonic-gate if (chown(devlink, sb.st_uid, sb.st_gid) == -1) { 32197c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, devlink, 32207c478bd9Sstevel@tonic-gate strerror(errno)); 32217c478bd9Sstevel@tonic-gate } 32227c478bd9Sstevel@tonic-gate } 32237c478bd9Sstevel@tonic-gate 32247c478bd9Sstevel@tonic-gate /* 32257c478bd9Sstevel@tonic-gate * Reset /devices node with appropriate permissions and 32267c478bd9Sstevel@tonic-gate * ownership as specified in /etc/minor_perm. 32277c478bd9Sstevel@tonic-gate */ 32287c478bd9Sstevel@tonic-gate static void 32297c478bd9Sstevel@tonic-gate reset_node_permissions(di_node_t node, di_minor_t minor) 32307c478bd9Sstevel@tonic-gate { 32317c478bd9Sstevel@tonic-gate int spectype; 32327c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 32337c478bd9Sstevel@tonic-gate mode_t mode; 32347c478bd9Sstevel@tonic-gate dev_t dev; 32357c478bd9Sstevel@tonic-gate uid_t uid; 32367c478bd9Sstevel@tonic-gate gid_t gid; 32377c478bd9Sstevel@tonic-gate struct stat sb; 32387c478bd9Sstevel@tonic-gate char *dev_path, *aminor = NULL; 32397c478bd9Sstevel@tonic-gate 32407c478bd9Sstevel@tonic-gate /* lphy_path starts with / */ 32417c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 32427c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 32437c478bd9Sstevel@tonic-gate devfsadm_exit(1); 32447c478bd9Sstevel@tonic-gate } 32457c478bd9Sstevel@tonic-gate (void) strcpy(lphy_path, dev_path); 32467c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 32477c478bd9Sstevel@tonic-gate 32487c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, ":"); 32497c478bd9Sstevel@tonic-gate if (di_minor_type(minor) == DDM_ALIAS) { 32507c478bd9Sstevel@tonic-gate char *driver; 32517c478bd9Sstevel@tonic-gate aminor = di_minor_name(minor); 32527c478bd9Sstevel@tonic-gate driver = di_driver_name(di_minor_devinfo(minor)); 32537c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, driver); 32547c478bd9Sstevel@tonic-gate } else 32557c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, di_minor_name(minor)); 32567c478bd9Sstevel@tonic-gate 32577c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, devices_dir); 32587c478bd9Sstevel@tonic-gate (void) strcat(phy_path, lphy_path); 32597c478bd9Sstevel@tonic-gate 32607c478bd9Sstevel@tonic-gate lnode = node; 32617c478bd9Sstevel@tonic-gate lminor = minor; 32627c478bd9Sstevel@tonic-gate 32637c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "reset_node_permissions: phy_path=%s lphy_path=%s\n", 32647c478bd9Sstevel@tonic-gate phy_path, lphy_path); 32657c478bd9Sstevel@tonic-gate 32667c478bd9Sstevel@tonic-gate dev = di_minor_devt(minor); 32677c478bd9Sstevel@tonic-gate spectype = di_minor_spectype(minor); /* block or char */ 32687c478bd9Sstevel@tonic-gate 32697c478bd9Sstevel@tonic-gate getattr(phy_path, aminor, spectype, dev, &mode, &uid, &gid); 32707c478bd9Sstevel@tonic-gate 32717c478bd9Sstevel@tonic-gate /* 32727c478bd9Sstevel@tonic-gate * compare and set permissions and ownership 32737c478bd9Sstevel@tonic-gate * 32747c478bd9Sstevel@tonic-gate * Under devfs, a quick insertion and removal of USB devices 32757c478bd9Sstevel@tonic-gate * would cause stat of physical path to fail. In this case, 32767c478bd9Sstevel@tonic-gate * we emit a verbose message, but don't print errors. 32777c478bd9Sstevel@tonic-gate */ 32787c478bd9Sstevel@tonic-gate if ((stat(phy_path, &sb) == -1) || (sb.st_rdev != dev)) { 32797c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, NO_DEVFS_NODE, phy_path); 32807c478bd9Sstevel@tonic-gate return; 32817c478bd9Sstevel@tonic-gate } 32827c478bd9Sstevel@tonic-gate 32837c478bd9Sstevel@tonic-gate /* 32847c478bd9Sstevel@tonic-gate * If we are here for deactivating device allocation, set 32857c478bd9Sstevel@tonic-gate * default permissions. Otherwise, set default permissions 32867c478bd9Sstevel@tonic-gate * only if this is a new device because we want to preserve 32877c478bd9Sstevel@tonic-gate * modified user permissions. 32887c478bd9Sstevel@tonic-gate * Devfs indicates a new device by faking an access time 32897c478bd9Sstevel@tonic-gate * of zero. 32907c478bd9Sstevel@tonic-gate */ 32917c478bd9Sstevel@tonic-gate if (sb.st_atime != 0) { 32927c478bd9Sstevel@tonic-gate int i; 32937c478bd9Sstevel@tonic-gate char *nt; 32947c478bd9Sstevel@tonic-gate 32957c478bd9Sstevel@tonic-gate if (devalloc_off == FALSE) 32967c478bd9Sstevel@tonic-gate return; 32977c478bd9Sstevel@tonic-gate 32987c478bd9Sstevel@tonic-gate nt = di_minor_nodetype(minor); 32997c478bd9Sstevel@tonic-gate if (nt == NULL) 33007c478bd9Sstevel@tonic-gate return; 33017c478bd9Sstevel@tonic-gate for (i = 0; devalloc[i]; i++) { 33027c478bd9Sstevel@tonic-gate if (strcmp(nt, devalloc[i]) == 0) 33037c478bd9Sstevel@tonic-gate break; 33047c478bd9Sstevel@tonic-gate } 33057c478bd9Sstevel@tonic-gate 33067c478bd9Sstevel@tonic-gate if (devalloc[i] == NULL) 33077c478bd9Sstevel@tonic-gate return; 33087c478bd9Sstevel@tonic-gate 33097c478bd9Sstevel@tonic-gate /* One of the types recognized by devalloc, reset perms */ 33107c478bd9Sstevel@tonic-gate } 33117c478bd9Sstevel@tonic-gate 33127c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 33137c478bd9Sstevel@tonic-gate /* Nothing more to do if simulating */ 33147c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 33157c478bd9Sstevel@tonic-gate return; 33167c478bd9Sstevel@tonic-gate } 33177c478bd9Sstevel@tonic-gate 33187c478bd9Sstevel@tonic-gate if (sb.st_mode != mode) { 33197c478bd9Sstevel@tonic-gate if (chmod(phy_path, mode) == -1) 33207c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, 33217c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 33227c478bd9Sstevel@tonic-gate } 33237c478bd9Sstevel@tonic-gate if (sb.st_uid != uid || sb.st_gid != gid) { 33247c478bd9Sstevel@tonic-gate if (chown(phy_path, uid, gid) == -1) 33257c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, 33267c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 33277c478bd9Sstevel@tonic-gate } 33287c478bd9Sstevel@tonic-gate 33297c478bd9Sstevel@tonic-gate /* Report that we actually did something */ 33307c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 33317c478bd9Sstevel@tonic-gate } 33327c478bd9Sstevel@tonic-gate 33337c478bd9Sstevel@tonic-gate /* 33347c478bd9Sstevel@tonic-gate * Removes logical link and the minor node it refers to. If file is a 33357c478bd9Sstevel@tonic-gate * link, we recurse and try to remove the minor node (or link if path is 33367c478bd9Sstevel@tonic-gate * a double link) that file's link contents refer to. 33377c478bd9Sstevel@tonic-gate */ 33387c478bd9Sstevel@tonic-gate static void 33397c478bd9Sstevel@tonic-gate devfsadm_rm_work(char *file, int recurse, int file_type) 33407c478bd9Sstevel@tonic-gate { 33417c478bd9Sstevel@tonic-gate char *fcn = "devfsadm_rm_work: "; 33427c478bd9Sstevel@tonic-gate int linksize; 33437c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 33447c478bd9Sstevel@tonic-gate char nextfile[PATH_MAX + 1]; 33457c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 33467c478bd9Sstevel@tonic-gate char *ptr; 33477c478bd9Sstevel@tonic-gate 33487c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s\n", fcn, file); 33497c478bd9Sstevel@tonic-gate 33507c478bd9Sstevel@tonic-gate /* TYPE_LINK split into multiple if's due to excessive indentations */ 33517c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 33527c478bd9Sstevel@tonic-gate (void) strcpy(newfile, dev_dir); 33537c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 33547c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 33557c478bd9Sstevel@tonic-gate } 33567c478bd9Sstevel@tonic-gate 33577c478bd9Sstevel@tonic-gate if ((file_type == TYPE_LINK) && (recurse == TRUE) && 33587c478bd9Sstevel@tonic-gate ((linksize = readlink(newfile, contents, PATH_MAX)) > 0)) { 33597c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 33607c478bd9Sstevel@tonic-gate 33617c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_TRUE) { 33627c478bd9Sstevel@tonic-gate devfsadm_rm_work(++ptr, FALSE, TYPE_DEVICES); 33637c478bd9Sstevel@tonic-gate } else { 33647c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 33657c478bd9Sstevel@tonic-gate devfsadm_rm_work(&contents[strlen(DEV) + 1], 33667c478bd9Sstevel@tonic-gate TRUE, TYPE_LINK); 33677c478bd9Sstevel@tonic-gate } else { 33687c478bd9Sstevel@tonic-gate if ((ptr = strrchr(file, '/')) != NULL) { 33697c478bd9Sstevel@tonic-gate *ptr = '\0'; 33707c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, file); 33717c478bd9Sstevel@tonic-gate *ptr = '/'; 33727c478bd9Sstevel@tonic-gate (void) strcat(nextfile, "/"); 33737c478bd9Sstevel@tonic-gate } else { 33747c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, ""); 33757c478bd9Sstevel@tonic-gate } 33767c478bd9Sstevel@tonic-gate (void) strcat(nextfile, contents); 33777c478bd9Sstevel@tonic-gate devfsadm_rm_work(nextfile, TRUE, TYPE_LINK); 33787c478bd9Sstevel@tonic-gate } 33797c478bd9Sstevel@tonic-gate } 33807c478bd9Sstevel@tonic-gate } 33817c478bd9Sstevel@tonic-gate 33827c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 33837c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, DEVFSADM_UNLINK, newfile); 33847c478bd9Sstevel@tonic-gate if (file_mods == TRUE) { 33857c478bd9Sstevel@tonic-gate rm_link_from_cache(file); 33867c478bd9Sstevel@tonic-gate s_unlink(newfile); 33877c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(newfile); 33887c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 33897c478bd9Sstevel@tonic-gate (void) di_devlink_rm_link(devlink_cache, file); 33907c478bd9Sstevel@tonic-gate } 33917c478bd9Sstevel@tonic-gate } 33927c478bd9Sstevel@tonic-gate 33937c478bd9Sstevel@tonic-gate /* 33947c478bd9Sstevel@tonic-gate * Note: we don't remove /devices entries because they are 33957c478bd9Sstevel@tonic-gate * covered by devfs. 33967c478bd9Sstevel@tonic-gate */ 33977c478bd9Sstevel@tonic-gate } 33987c478bd9Sstevel@tonic-gate 33997c478bd9Sstevel@tonic-gate void 34007c478bd9Sstevel@tonic-gate devfsadm_rm_link(char *file) 34017c478bd9Sstevel@tonic-gate { 34027c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, FALSE, TYPE_LINK); 34037c478bd9Sstevel@tonic-gate } 34047c478bd9Sstevel@tonic-gate 34057c478bd9Sstevel@tonic-gate void 34067c478bd9Sstevel@tonic-gate devfsadm_rm_all(char *file) 34077c478bd9Sstevel@tonic-gate { 34087c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, TRUE, TYPE_LINK); 34097c478bd9Sstevel@tonic-gate } 34107c478bd9Sstevel@tonic-gate 34114bc0a2efScasper static int 34127c478bd9Sstevel@tonic-gate s_rmdir(char *path) 34137c478bd9Sstevel@tonic-gate { 34147c478bd9Sstevel@tonic-gate int i; 34157c478bd9Sstevel@tonic-gate char *rpath, *dir; 34167c478bd9Sstevel@tonic-gate const char *fcn = "s_rmdir"; 34177c478bd9Sstevel@tonic-gate 34187c478bd9Sstevel@tonic-gate /* 34197c478bd9Sstevel@tonic-gate * Certain directories are created at install time by packages. 34207c478bd9Sstevel@tonic-gate * Some of them (listed in packaged_dirs[]) are required by apps 34217c478bd9Sstevel@tonic-gate * and need to be present even when empty. 34227c478bd9Sstevel@tonic-gate */ 34237c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: checking if %s is packaged\n", fcn, path); 34247c478bd9Sstevel@tonic-gate 34257c478bd9Sstevel@tonic-gate rpath = path + strlen(dev_dir) + 1; 34267c478bd9Sstevel@tonic-gate 34277c478bd9Sstevel@tonic-gate for (i = 0; (dir = packaged_dirs[i]) != NULL; i++) { 34287c478bd9Sstevel@tonic-gate if (*rpath == *dir) { 34297c478bd9Sstevel@tonic-gate if (strcmp(rpath, dir) == 0) { 34307c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: skipping packaged dir: " 34317c478bd9Sstevel@tonic-gate "%s\n", fcn, path); 34324bc0a2efScasper errno = EEXIST; 34334bc0a2efScasper return (-1); 34347c478bd9Sstevel@tonic-gate } 34357c478bd9Sstevel@tonic-gate } 34367c478bd9Sstevel@tonic-gate } 34377c478bd9Sstevel@tonic-gate 34384bc0a2efScasper return (rmdir(path)); 34397c478bd9Sstevel@tonic-gate } 34407c478bd9Sstevel@tonic-gate 34417c478bd9Sstevel@tonic-gate /* 34427c478bd9Sstevel@tonic-gate * Try to remove any empty directories up the tree. It is assumed that 34437c478bd9Sstevel@tonic-gate * pathname is a file that was removed, so start with its parent, and 34447c478bd9Sstevel@tonic-gate * work up the tree. 34457c478bd9Sstevel@tonic-gate */ 34467c478bd9Sstevel@tonic-gate static void 34477c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(char *pathname) 34487c478bd9Sstevel@tonic-gate { 34497c478bd9Sstevel@tonic-gate char *ptr, path[PATH_MAX + 1]; 34507c478bd9Sstevel@tonic-gate char *fcn = "rm_parent_dir_if_empty: "; 34517c478bd9Sstevel@tonic-gate 34527c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%schecking %s if empty\n", fcn, pathname); 34537c478bd9Sstevel@tonic-gate 34547c478bd9Sstevel@tonic-gate (void) strcpy(path, pathname); 34557c478bd9Sstevel@tonic-gate 34567c478bd9Sstevel@tonic-gate /* 34577c478bd9Sstevel@tonic-gate * ascend up the dir tree, deleting all empty dirs. 34587c478bd9Sstevel@tonic-gate * Return immediately if a dir is not empty. 34597c478bd9Sstevel@tonic-gate */ 34607c478bd9Sstevel@tonic-gate for (;;) { 34617c478bd9Sstevel@tonic-gate 34627c478bd9Sstevel@tonic-gate if ((ptr = strrchr(path, '/')) == NULL) { 34637c478bd9Sstevel@tonic-gate return; 34647c478bd9Sstevel@tonic-gate } 34657c478bd9Sstevel@tonic-gate 34667c478bd9Sstevel@tonic-gate *ptr = '\0'; 34677c478bd9Sstevel@tonic-gate 34684bc0a2efScasper if (s_rmdir(path) == 0) { 34694bc0a2efScasper vprint(REMOVE_MID, "%sremoving empty dir %s\n", 34704bc0a2efScasper fcn, path); 34714bc0a2efScasper continue; 34727c478bd9Sstevel@tonic-gate } 34734bc0a2efScasper if (errno == EEXIST) { 34747c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sdir not empty: %s\n", fcn, path); 34757c478bd9Sstevel@tonic-gate return; 34767c478bd9Sstevel@tonic-gate } 34774bc0a2efScasper vprint(REMOVE_MID, "%s can't remove %s: %s\n", fcn, path, 34784bc0a2efScasper strerror(errno)); 34794bc0a2efScasper return; 34807c478bd9Sstevel@tonic-gate } 34817c478bd9Sstevel@tonic-gate } 34827c478bd9Sstevel@tonic-gate 34837c478bd9Sstevel@tonic-gate /* 34847c478bd9Sstevel@tonic-gate * This function and all the functions it calls below were added to 34857c478bd9Sstevel@tonic-gate * handle the unique problem with world wide names (WWN). The problem is 34867c478bd9Sstevel@tonic-gate * that if a WWN device is moved to another address on the same controller 34877c478bd9Sstevel@tonic-gate * its logical link will change, while the physical node remains the same. 34887c478bd9Sstevel@tonic-gate * The result is that two logical links will point to the same physical path 34897c478bd9Sstevel@tonic-gate * in /devices, the valid link and a stale link. This function will 34907c478bd9Sstevel@tonic-gate * find all the stale nodes, though at a significant performance cost. 34917c478bd9Sstevel@tonic-gate * 34927c478bd9Sstevel@tonic-gate * Caching is used to increase performance. 34937c478bd9Sstevel@tonic-gate * A cache will be built from disk if the cache tag doesn't already exist. 34947c478bd9Sstevel@tonic-gate * The cache tag is a regular expression "dir_re", which selects a 34957c478bd9Sstevel@tonic-gate * subset of disks to search from typically something like 34967c478bd9Sstevel@tonic-gate * "dev/cXt[0-9]+d[0-9]+s[0-9]+". After the cache is built, consistency must 34977c478bd9Sstevel@tonic-gate * be maintained, so entries are added as new links are created, and removed 34987c478bd9Sstevel@tonic-gate * as old links are deleted. The whole cache is flushed if we are a daemon, 34997c478bd9Sstevel@tonic-gate * and another devfsadm process ran in between. 35007c478bd9Sstevel@tonic-gate * 35017c478bd9Sstevel@tonic-gate * Once the cache is built, this function finds the cache which matches 35027c478bd9Sstevel@tonic-gate * dir_re, and then it searches all links in that cache looking for 35037c478bd9Sstevel@tonic-gate * any link whose contents match "valid_link_contents" with a corresponding link 35047c478bd9Sstevel@tonic-gate * which does not match "valid_link". Any such matches are stale and removed. 35057c478bd9Sstevel@tonic-gate */ 35067c478bd9Sstevel@tonic-gate void 35077c478bd9Sstevel@tonic-gate devfsadm_rm_stale_links(char *dir_re, char *valid_link, di_node_t node, 35087c478bd9Sstevel@tonic-gate di_minor_t minor) 35097c478bd9Sstevel@tonic-gate { 35107c478bd9Sstevel@tonic-gate link_t *link; 35117c478bd9Sstevel@tonic-gate linkhead_t *head; 35127c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 35137c478bd9Sstevel@tonic-gate char *valid_link_contents; 35147c478bd9Sstevel@tonic-gate char *dev_path; 35157c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 35167c478bd9Sstevel@tonic-gate 35177c478bd9Sstevel@tonic-gate /* 35187c478bd9Sstevel@tonic-gate * try to use devices path 35197c478bd9Sstevel@tonic-gate */ 35207c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 35217c478bd9Sstevel@tonic-gate valid_link_contents = lphy_path; 35227c478bd9Sstevel@tonic-gate } else { 35237c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 35247c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 35257c478bd9Sstevel@tonic-gate devfsadm_exit(1); 35267c478bd9Sstevel@tonic-gate } 35277c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, dev_path); 35287c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 35297c478bd9Sstevel@tonic-gate 35307c478bd9Sstevel@tonic-gate (void) strcat(phy_path, ":"); 35317c478bd9Sstevel@tonic-gate (void) strcat(phy_path, di_minor_name(minor)); 35327c478bd9Sstevel@tonic-gate valid_link_contents = phy_path; 35337c478bd9Sstevel@tonic-gate } 35347c478bd9Sstevel@tonic-gate 35357c478bd9Sstevel@tonic-gate /* 35367c478bd9Sstevel@tonic-gate * As an optimization, check to make sure the corresponding 35377c478bd9Sstevel@tonic-gate * devlink was just created before continuing. 35387c478bd9Sstevel@tonic-gate */ 35397c478bd9Sstevel@tonic-gate 35407c478bd9Sstevel@tonic-gate if (linknew == FALSE) { 35417c478bd9Sstevel@tonic-gate return; 35427c478bd9Sstevel@tonic-gate } 35437c478bd9Sstevel@tonic-gate 35447c478bd9Sstevel@tonic-gate head = get_cached_links(dir_re); 35457c478bd9Sstevel@tonic-gate 35467c478bd9Sstevel@tonic-gate assert(head->nextlink == NULL); 35477c478bd9Sstevel@tonic-gate 35487c478bd9Sstevel@tonic-gate for (link = head->link; link != NULL; link = head->nextlink) { 35497c478bd9Sstevel@tonic-gate /* 35507c478bd9Sstevel@tonic-gate * See hot_cleanup() for why we do this 35517c478bd9Sstevel@tonic-gate */ 35527c478bd9Sstevel@tonic-gate head->nextlink = link->next; 35537c478bd9Sstevel@tonic-gate if ((strcmp(link->contents, valid_link_contents) == 0) && 35547c478bd9Sstevel@tonic-gate (strcmp(link->devlink, valid_link) != 0)) { 35557c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "removing %s -> %s\n" 35567c478bd9Sstevel@tonic-gate "valid link is: %s -> %s\n", 35577c478bd9Sstevel@tonic-gate link->devlink, link->contents, 35587c478bd9Sstevel@tonic-gate valid_link, valid_link_contents); 35597c478bd9Sstevel@tonic-gate /* 35607c478bd9Sstevel@tonic-gate * Use a copy of the cached link name as the 35617c478bd9Sstevel@tonic-gate * cache entry will go away during link removal 35627c478bd9Sstevel@tonic-gate */ 35637c478bd9Sstevel@tonic-gate (void) snprintf(rmlink, sizeof (rmlink), "%s", 35647c478bd9Sstevel@tonic-gate link->devlink); 35657c478bd9Sstevel@tonic-gate devfsadm_rm_link(rmlink); 35667c478bd9Sstevel@tonic-gate } 35677c478bd9Sstevel@tonic-gate } 35687c478bd9Sstevel@tonic-gate } 35697c478bd9Sstevel@tonic-gate 35707c478bd9Sstevel@tonic-gate /* 35717c478bd9Sstevel@tonic-gate * Return previously created cache, or create cache. 35727c478bd9Sstevel@tonic-gate */ 35737c478bd9Sstevel@tonic-gate static linkhead_t * 35747c478bd9Sstevel@tonic-gate get_cached_links(char *dir_re) 35757c478bd9Sstevel@tonic-gate { 35767c478bd9Sstevel@tonic-gate recurse_dev_t rd; 35777c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 35787c478bd9Sstevel@tonic-gate int n; 35797c478bd9Sstevel@tonic-gate 35807c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: %s\n", dir_re); 35817c478bd9Sstevel@tonic-gate 35827c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 35837c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 35847c478bd9Sstevel@tonic-gate if (strcmp(linkhead->dir_re, dir_re) == 0) { 35857c478bd9Sstevel@tonic-gate return (linkhead); 35867c478bd9Sstevel@tonic-gate } 35877c478bd9Sstevel@tonic-gate } 35887c478bd9Sstevel@tonic-gate 35897c478bd9Sstevel@tonic-gate /* 35907c478bd9Sstevel@tonic-gate * This tag is not in cache, so add it, along with all its 35917c478bd9Sstevel@tonic-gate * matching /dev entries. This is the only time we go to disk. 35927c478bd9Sstevel@tonic-gate */ 35937c478bd9Sstevel@tonic-gate linkhead = s_malloc(sizeof (linkhead_t)); 35947c478bd9Sstevel@tonic-gate linkhead->nexthead = headlinkhead; 35957c478bd9Sstevel@tonic-gate headlinkhead = linkhead; 35967c478bd9Sstevel@tonic-gate linkhead->dir_re = s_strdup(dir_re); 35977c478bd9Sstevel@tonic-gate 35987c478bd9Sstevel@tonic-gate if ((n = regcomp(&(linkhead->dir_re_compiled), dir_re, 35997c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 36007c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, dir_re, n); 36017c478bd9Sstevel@tonic-gate } 36027c478bd9Sstevel@tonic-gate 36037c478bd9Sstevel@tonic-gate linkhead->nextlink = NULL; 36047c478bd9Sstevel@tonic-gate linkhead->link = NULL; 36057c478bd9Sstevel@tonic-gate 36067c478bd9Sstevel@tonic-gate rd.fcn = build_devlink_list; 36077c478bd9Sstevel@tonic-gate rd.data = (void *)linkhead; 36087c478bd9Sstevel@tonic-gate 36097c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: calling recurse_dev_re\n"); 36107c478bd9Sstevel@tonic-gate 36117c478bd9Sstevel@tonic-gate /* call build_devlink_list for each directory in the dir_re RE */ 36127c478bd9Sstevel@tonic-gate if (dir_re[0] == '/') { 36137c478bd9Sstevel@tonic-gate recurse_dev_re("/", &dir_re[1], &rd); 36147c478bd9Sstevel@tonic-gate } else { 36157c478bd9Sstevel@tonic-gate recurse_dev_re(dev_dir, dir_re, &rd); 36167c478bd9Sstevel@tonic-gate } 36177c478bd9Sstevel@tonic-gate 36187c478bd9Sstevel@tonic-gate return (linkhead); 36197c478bd9Sstevel@tonic-gate } 36207c478bd9Sstevel@tonic-gate 36217c478bd9Sstevel@tonic-gate static void 36227c478bd9Sstevel@tonic-gate build_devlink_list(char *devlink, void *data) 36237c478bd9Sstevel@tonic-gate { 36247c478bd9Sstevel@tonic-gate char *fcn = "build_devlink_list: "; 36257c478bd9Sstevel@tonic-gate char *ptr; 36267c478bd9Sstevel@tonic-gate char *r_contents; 36277c478bd9Sstevel@tonic-gate char *r_devlink; 36287c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 36297c478bd9Sstevel@tonic-gate char newlink[PATH_MAX + 1]; 36307c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 36317c478bd9Sstevel@tonic-gate int linksize; 36327c478bd9Sstevel@tonic-gate linkhead_t *linkhead = (linkhead_t *)data; 36337c478bd9Sstevel@tonic-gate link_t *link; 36347c478bd9Sstevel@tonic-gate int i = 0; 36357c478bd9Sstevel@tonic-gate 36367c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scheck_link: %s\n", fcn, devlink); 36377c478bd9Sstevel@tonic-gate 36387c478bd9Sstevel@tonic-gate (void) strcpy(newlink, devlink); 36397c478bd9Sstevel@tonic-gate 36407c478bd9Sstevel@tonic-gate do { 36417c478bd9Sstevel@tonic-gate linksize = readlink(newlink, contents, PATH_MAX); 36427c478bd9Sstevel@tonic-gate if (linksize <= 0) { 36437c478bd9Sstevel@tonic-gate /* 36447c478bd9Sstevel@tonic-gate * The first pass through the do loop we may readlink() 36457c478bd9Sstevel@tonic-gate * non-symlink files(EINVAL) from false regexec matches. 36467c478bd9Sstevel@tonic-gate * Suppress error messages in those cases or if the link 36477c478bd9Sstevel@tonic-gate * content is the empty string. 36487c478bd9Sstevel@tonic-gate */ 36497c478bd9Sstevel@tonic-gate if (linksize < 0 && (i || errno != EINVAL)) 36507c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, "build_devlink_list", 36517c478bd9Sstevel@tonic-gate newlink, strerror(errno)); 36527c478bd9Sstevel@tonic-gate return; 36537c478bd9Sstevel@tonic-gate } 36547c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 36557c478bd9Sstevel@tonic-gate i = 1; 36567c478bd9Sstevel@tonic-gate 36577c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &r_contents) == DEVFSADM_FALSE) { 36587c478bd9Sstevel@tonic-gate /* 36597c478bd9Sstevel@tonic-gate * assume that link contents is really a pointer to 36607c478bd9Sstevel@tonic-gate * another link, so recurse and read its link contents. 36617c478bd9Sstevel@tonic-gate * 36627c478bd9Sstevel@tonic-gate * some link contents are absolute: 36637c478bd9Sstevel@tonic-gate * /dev/audio -> /dev/sound/0 36647c478bd9Sstevel@tonic-gate */ 36657c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", 36667c478bd9Sstevel@tonic-gate strlen(DEV) + strlen("/")) != 0) { 36677c478bd9Sstevel@tonic-gate 36687c478bd9Sstevel@tonic-gate if ((ptr = strrchr(newlink, '/')) == NULL) { 36697c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid " 36707c478bd9Sstevel@tonic-gate "link. missing '/'\n", fcn, 36717c478bd9Sstevel@tonic-gate newlink, contents); 36727c478bd9Sstevel@tonic-gate return; 36737c478bd9Sstevel@tonic-gate } 36747c478bd9Sstevel@tonic-gate *ptr = '\0'; 36757c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, newlink); 36767c478bd9Sstevel@tonic-gate *ptr = '/'; 36777c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 36787c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 36797c478bd9Sstevel@tonic-gate (void) strcpy(newlink, stage_link); 36807c478bd9Sstevel@tonic-gate } else { 36817c478bd9Sstevel@tonic-gate (void) strcpy(newlink, dev_dir); 36827c478bd9Sstevel@tonic-gate (void) strcat(newlink, "/"); 36837c478bd9Sstevel@tonic-gate (void) strcat(newlink, 36847c478bd9Sstevel@tonic-gate &contents[strlen(DEV) + strlen("/")]); 36857c478bd9Sstevel@tonic-gate } 36867c478bd9Sstevel@tonic-gate 36877c478bd9Sstevel@tonic-gate } else { 36887c478bd9Sstevel@tonic-gate newlink[0] = '\0'; 36897c478bd9Sstevel@tonic-gate } 36907c478bd9Sstevel@tonic-gate } while (newlink[0] != '\0'); 36917c478bd9Sstevel@tonic-gate 36927c478bd9Sstevel@tonic-gate if (strncmp(devlink, dev_dir, strlen(dev_dir)) != 0) { 36937c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%sinvalid link: %s\n", fcn, devlink); 36947c478bd9Sstevel@tonic-gate return; 36957c478bd9Sstevel@tonic-gate } 36967c478bd9Sstevel@tonic-gate 36977c478bd9Sstevel@tonic-gate r_devlink = devlink + strlen(dev_dir); 36987c478bd9Sstevel@tonic-gate 36997c478bd9Sstevel@tonic-gate if (r_devlink[0] != '/') 37007c478bd9Sstevel@tonic-gate return; 37017c478bd9Sstevel@tonic-gate 37027c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 37037c478bd9Sstevel@tonic-gate 37047c478bd9Sstevel@tonic-gate /* don't store the '/' after rootdir/dev */ 37057c478bd9Sstevel@tonic-gate r_devlink += 1; 37067c478bd9Sstevel@tonic-gate 37077c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scaching link: %s\n", fcn, r_devlink); 37087c478bd9Sstevel@tonic-gate link->devlink = s_strdup(r_devlink); 37097c478bd9Sstevel@tonic-gate 37107c478bd9Sstevel@tonic-gate link->contents = s_strdup(r_contents); 37117c478bd9Sstevel@tonic-gate 37127c478bd9Sstevel@tonic-gate link->next = linkhead->link; 37137c478bd9Sstevel@tonic-gate linkhead->link = link; 37147c478bd9Sstevel@tonic-gate } 37157c478bd9Sstevel@tonic-gate 37167c478bd9Sstevel@tonic-gate /* 37177c478bd9Sstevel@tonic-gate * to be consistent, devlink must not begin with / and must be 37187c478bd9Sstevel@tonic-gate * relative to /dev/, whereas physpath must contain / and be 37197c478bd9Sstevel@tonic-gate * relative to /devices. 37207c478bd9Sstevel@tonic-gate */ 37217c478bd9Sstevel@tonic-gate static void 37227c478bd9Sstevel@tonic-gate add_link_to_cache(char *devlink, char *physpath) 37237c478bd9Sstevel@tonic-gate { 37247c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 37257c478bd9Sstevel@tonic-gate link_t *link; 37267c478bd9Sstevel@tonic-gate int added = 0; 37277c478bd9Sstevel@tonic-gate 37287c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 37297c478bd9Sstevel@tonic-gate return; 37307c478bd9Sstevel@tonic-gate } 37317c478bd9Sstevel@tonic-gate 37327c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "add_link_to_cache: %s -> %s ", 37337c478bd9Sstevel@tonic-gate devlink, physpath); 37347c478bd9Sstevel@tonic-gate 37357c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 37367c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 37377c478bd9Sstevel@tonic-gate if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 37387c478bd9Sstevel@tonic-gate 0) == 0) { 37397c478bd9Sstevel@tonic-gate added++; 37407c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 37417c478bd9Sstevel@tonic-gate link->devlink = s_strdup(devlink); 37427c478bd9Sstevel@tonic-gate link->contents = s_strdup(physpath); 37437c478bd9Sstevel@tonic-gate link->next = linkhead->link; 37447c478bd9Sstevel@tonic-gate linkhead->link = link; 37457c478bd9Sstevel@tonic-gate } 37467c478bd9Sstevel@tonic-gate } 37477c478bd9Sstevel@tonic-gate 37487c478bd9Sstevel@tonic-gate vprint(CACHE_MID, 37497c478bd9Sstevel@tonic-gate " %d %s\n", added, added == 0 ? "NOT ADDED" : "ADDED"); 37507c478bd9Sstevel@tonic-gate } 37517c478bd9Sstevel@tonic-gate 37527c478bd9Sstevel@tonic-gate /* 37537c478bd9Sstevel@tonic-gate * Remove devlink from cache. Devlink must be relative to /dev/ and not start 37547c478bd9Sstevel@tonic-gate * with /. 37557c478bd9Sstevel@tonic-gate */ 37567c478bd9Sstevel@tonic-gate static void 37577c478bd9Sstevel@tonic-gate rm_link_from_cache(char *devlink) 37587c478bd9Sstevel@tonic-gate { 37597c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 37607c478bd9Sstevel@tonic-gate link_t **linkp; 37617c478bd9Sstevel@tonic-gate link_t *save; 37627c478bd9Sstevel@tonic-gate 37637c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_link_from_cache enter: %s\n", devlink); 37647c478bd9Sstevel@tonic-gate 37657c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 37667c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 37677c478bd9Sstevel@tonic-gate if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 37687c478bd9Sstevel@tonic-gate 0) == 0) { 37697c478bd9Sstevel@tonic-gate 37707c478bd9Sstevel@tonic-gate for (linkp = &(linkhead->link); *linkp != NULL; ) { 37717c478bd9Sstevel@tonic-gate if ((strcmp((*linkp)->devlink, devlink) == 0)) { 37727c478bd9Sstevel@tonic-gate save = *linkp; 37737c478bd9Sstevel@tonic-gate *linkp = (*linkp)->next; 37747c478bd9Sstevel@tonic-gate /* 37757c478bd9Sstevel@tonic-gate * We are removing our caller's 37767c478bd9Sstevel@tonic-gate * "next" link. Update the nextlink 37777c478bd9Sstevel@tonic-gate * field in the head so that our 37787c478bd9Sstevel@tonic-gate * callers accesses the next valid 37797c478bd9Sstevel@tonic-gate * link 37807c478bd9Sstevel@tonic-gate */ 37817c478bd9Sstevel@tonic-gate if (linkhead->nextlink == save) 37827c478bd9Sstevel@tonic-gate linkhead->nextlink = *linkp; 37837c478bd9Sstevel@tonic-gate free(save->devlink); 37847c478bd9Sstevel@tonic-gate free(save->contents); 37857c478bd9Sstevel@tonic-gate free(save); 37867c478bd9Sstevel@tonic-gate vprint(CACHE_MID, " %s FREED FROM " 37877c478bd9Sstevel@tonic-gate "CACHE\n", devlink); 37887c478bd9Sstevel@tonic-gate } else { 37897c478bd9Sstevel@tonic-gate linkp = &((*linkp)->next); 37907c478bd9Sstevel@tonic-gate } 37917c478bd9Sstevel@tonic-gate } 37927c478bd9Sstevel@tonic-gate } 37937c478bd9Sstevel@tonic-gate } 37947c478bd9Sstevel@tonic-gate } 37957c478bd9Sstevel@tonic-gate 37967c478bd9Sstevel@tonic-gate static void 37977c478bd9Sstevel@tonic-gate rm_all_links_from_cache() 37987c478bd9Sstevel@tonic-gate { 37997c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 38007c478bd9Sstevel@tonic-gate linkhead_t *nextlinkhead; 38017c478bd9Sstevel@tonic-gate link_t *link; 38027c478bd9Sstevel@tonic-gate link_t *nextlink; 38037c478bd9Sstevel@tonic-gate 38047c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_all_links_from_cache\n"); 38057c478bd9Sstevel@tonic-gate 38067c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 38077c478bd9Sstevel@tonic-gate linkhead = nextlinkhead) { 38087c478bd9Sstevel@tonic-gate 38097c478bd9Sstevel@tonic-gate nextlinkhead = linkhead->nexthead; 38107c478bd9Sstevel@tonic-gate assert(linkhead->nextlink == NULL); 38117c478bd9Sstevel@tonic-gate for (link = linkhead->link; link != NULL; link = nextlink) { 38127c478bd9Sstevel@tonic-gate nextlink = link->next; 38137c478bd9Sstevel@tonic-gate free(link->devlink); 38147c478bd9Sstevel@tonic-gate free(link->contents); 38157c478bd9Sstevel@tonic-gate free(link); 38167c478bd9Sstevel@tonic-gate } 38177c478bd9Sstevel@tonic-gate regfree(&(linkhead->dir_re_compiled)); 38187c478bd9Sstevel@tonic-gate free(linkhead->dir_re); 38197c478bd9Sstevel@tonic-gate free(linkhead); 38207c478bd9Sstevel@tonic-gate } 38217c478bd9Sstevel@tonic-gate headlinkhead = NULL; 38227c478bd9Sstevel@tonic-gate } 38237c478bd9Sstevel@tonic-gate 38247c478bd9Sstevel@tonic-gate /* 38257c478bd9Sstevel@tonic-gate * Called when the kernel has modified the incore path_to_inst data. This 38267c478bd9Sstevel@tonic-gate * function will schedule a flush of the data to the filesystem. 38277c478bd9Sstevel@tonic-gate */ 38287c478bd9Sstevel@tonic-gate static void 38297c478bd9Sstevel@tonic-gate devfs_instance_mod(void) 38307c478bd9Sstevel@tonic-gate { 38317c478bd9Sstevel@tonic-gate char *fcn = "devfs_instance_mod: "; 38327c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "%senter\n", fcn); 38337c478bd9Sstevel@tonic-gate 38347c478bd9Sstevel@tonic-gate /* signal instance thread */ 38357c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 38367c478bd9Sstevel@tonic-gate inst_count++; 38377c478bd9Sstevel@tonic-gate (void) cond_signal(&cv); 38387c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 38397c478bd9Sstevel@tonic-gate } 38407c478bd9Sstevel@tonic-gate 38417c478bd9Sstevel@tonic-gate static void 38427c478bd9Sstevel@tonic-gate instance_flush_thread(void) 38437c478bd9Sstevel@tonic-gate { 38447c478bd9Sstevel@tonic-gate int i; 38457c478bd9Sstevel@tonic-gate int idle; 38467c478bd9Sstevel@tonic-gate 38477c478bd9Sstevel@tonic-gate for (;;) { 38487c478bd9Sstevel@tonic-gate 38497c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 38507c478bd9Sstevel@tonic-gate while (inst_count == 0) { 38517c478bd9Sstevel@tonic-gate (void) cond_wait(&cv, &count_lock); 38527c478bd9Sstevel@tonic-gate } 38537c478bd9Sstevel@tonic-gate inst_count = 0; 38547c478bd9Sstevel@tonic-gate 38557c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "signaled to flush path_to_inst." 38567c478bd9Sstevel@tonic-gate " Enter delay loop\n"); 38577c478bd9Sstevel@tonic-gate /* 38587c478bd9Sstevel@tonic-gate * Wait MAX_IDLE_DELAY seconds after getting the last flush 38597c478bd9Sstevel@tonic-gate * path_to_inst event before invoking a flush, but never wait 38607c478bd9Sstevel@tonic-gate * more than MAX_DELAY seconds after getting the first event. 38617c478bd9Sstevel@tonic-gate */ 38627c478bd9Sstevel@tonic-gate for (idle = 0, i = 0; i < MAX_DELAY; i++) { 38637c478bd9Sstevel@tonic-gate 38647c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 38657c478bd9Sstevel@tonic-gate (void) sleep(1); 38667c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 38677c478bd9Sstevel@tonic-gate 38687c478bd9Sstevel@tonic-gate /* shorten the delay if we are idle */ 38697c478bd9Sstevel@tonic-gate if (inst_count == 0) { 38707c478bd9Sstevel@tonic-gate idle++; 38717c478bd9Sstevel@tonic-gate if (idle > MAX_IDLE_DELAY) { 38727c478bd9Sstevel@tonic-gate break; 38737c478bd9Sstevel@tonic-gate } 38747c478bd9Sstevel@tonic-gate } else { 38757c478bd9Sstevel@tonic-gate inst_count = idle = 0; 38767c478bd9Sstevel@tonic-gate } 38777c478bd9Sstevel@tonic-gate } 38787c478bd9Sstevel@tonic-gate 38797c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 38807c478bd9Sstevel@tonic-gate 38817c478bd9Sstevel@tonic-gate flush_path_to_inst(); 38827c478bd9Sstevel@tonic-gate } 38837c478bd9Sstevel@tonic-gate } 38847c478bd9Sstevel@tonic-gate 38857c478bd9Sstevel@tonic-gate /* 38867c478bd9Sstevel@tonic-gate * Helper function for flush_path_to_inst() below; this routine calls the 38877c478bd9Sstevel@tonic-gate * inst_sync syscall to flush the path_to_inst database to the given file. 38887c478bd9Sstevel@tonic-gate */ 38897c478bd9Sstevel@tonic-gate static int 38907c478bd9Sstevel@tonic-gate do_inst_sync(char *filename) 38917c478bd9Sstevel@tonic-gate { 38927c478bd9Sstevel@tonic-gate void (*sigsaved)(int); 38937c478bd9Sstevel@tonic-gate int err = 0; 38947c478bd9Sstevel@tonic-gate 38957c478bd9Sstevel@tonic-gate vprint(INSTSYNC_MID, "do_inst_sync: about to flush %s\n", filename); 38967c478bd9Sstevel@tonic-gate sigsaved = sigset(SIGSYS, SIG_IGN); 38977c478bd9Sstevel@tonic-gate if (inst_sync(filename, 0) == -1) 38987c478bd9Sstevel@tonic-gate err = errno; 38997c478bd9Sstevel@tonic-gate (void) sigset(SIGSYS, sigsaved); 39007c478bd9Sstevel@tonic-gate 39017c478bd9Sstevel@tonic-gate switch (err) { 39027c478bd9Sstevel@tonic-gate case 0: 39037c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 39047c478bd9Sstevel@tonic-gate case EALREADY: /* no-op, path_to_inst already up to date */ 39057c478bd9Sstevel@tonic-gate return (EALREADY); 39067c478bd9Sstevel@tonic-gate case ENOSYS: 39077c478bd9Sstevel@tonic-gate err_print(CANT_LOAD_SYSCALL); 39087c478bd9Sstevel@tonic-gate break; 39097c478bd9Sstevel@tonic-gate case EPERM: 39107c478bd9Sstevel@tonic-gate err_print(SUPER_TO_SYNC); 39117c478bd9Sstevel@tonic-gate break; 39127c478bd9Sstevel@tonic-gate default: 39137c478bd9Sstevel@tonic-gate err_print(INSTSYNC_FAILED, filename, strerror(err)); 39147c478bd9Sstevel@tonic-gate break; 39157c478bd9Sstevel@tonic-gate } 39167c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 39177c478bd9Sstevel@tonic-gate } 39187c478bd9Sstevel@tonic-gate 39197c478bd9Sstevel@tonic-gate /* 39207c478bd9Sstevel@tonic-gate * Flush the kernel's path_to_inst database to /etc/path_to_inst. To do so 39217c478bd9Sstevel@tonic-gate * safely, the database is flushed to a temporary file, then moved into place. 39227c478bd9Sstevel@tonic-gate * 39237c478bd9Sstevel@tonic-gate * The following files are used during this process: 39247c478bd9Sstevel@tonic-gate * /etc/path_to_inst: The path_to_inst file 39257c478bd9Sstevel@tonic-gate * /etc/path_to_inst.<pid>: Contains data flushed from the kernel 39267c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old: The backup file 39277c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old.<pid>: Temp file for creating backup 39287c478bd9Sstevel@tonic-gate * 39297c478bd9Sstevel@tonic-gate */ 39307c478bd9Sstevel@tonic-gate static void 39317c478bd9Sstevel@tonic-gate flush_path_to_inst(void) 39327c478bd9Sstevel@tonic-gate { 39337c478bd9Sstevel@tonic-gate char *new_inst_file = NULL; 39347c478bd9Sstevel@tonic-gate char *old_inst_file = NULL; 39357c478bd9Sstevel@tonic-gate char *old_inst_file_npid = NULL; 39367c478bd9Sstevel@tonic-gate FILE *inst_file_fp = NULL; 39377c478bd9Sstevel@tonic-gate FILE *old_inst_file_fp = NULL; 39387c478bd9Sstevel@tonic-gate struct stat sb; 39397c478bd9Sstevel@tonic-gate int err = 0; 39407c478bd9Sstevel@tonic-gate int c; 39417c478bd9Sstevel@tonic-gate int inst_strlen; 39427c478bd9Sstevel@tonic-gate 39437c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "flush_path_to_inst: %s\n", 39447c478bd9Sstevel@tonic-gate (flush_path_to_inst_enable == TRUE) ? "ENABLED" : "DISABLED"); 39457c478bd9Sstevel@tonic-gate 39467c478bd9Sstevel@tonic-gate if (flush_path_to_inst_enable == FALSE) { 39477c478bd9Sstevel@tonic-gate return; 39487c478bd9Sstevel@tonic-gate } 39497c478bd9Sstevel@tonic-gate 39507c478bd9Sstevel@tonic-gate inst_strlen = strlen(inst_file); 39517c478bd9Sstevel@tonic-gate new_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 2); 39527c478bd9Sstevel@tonic-gate old_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 6); 39537c478bd9Sstevel@tonic-gate old_inst_file_npid = s_malloc(inst_strlen + 39547c478bd9Sstevel@tonic-gate sizeof (INSTANCE_FILE_SUFFIX)); 39557c478bd9Sstevel@tonic-gate 39567c478bd9Sstevel@tonic-gate (void) snprintf(new_inst_file, inst_strlen + PID_STR_LEN + 2, 39577c478bd9Sstevel@tonic-gate "%s.%ld", inst_file, getpid()); 39587c478bd9Sstevel@tonic-gate 39597c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 39607c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 39617c478bd9Sstevel@tonic-gate } 39627c478bd9Sstevel@tonic-gate 39637c478bd9Sstevel@tonic-gate if ((err = do_inst_sync(new_inst_file)) != DEVFSADM_SUCCESS) { 39647c478bd9Sstevel@tonic-gate goto out; 39657c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 39667c478bd9Sstevel@tonic-gate } 39677c478bd9Sstevel@tonic-gate 39687c478bd9Sstevel@tonic-gate /* 39697c478bd9Sstevel@tonic-gate * Now we deal with the somewhat tricky updating and renaming 39707c478bd9Sstevel@tonic-gate * of this critical piece of kernel state. 39717c478bd9Sstevel@tonic-gate */ 39727c478bd9Sstevel@tonic-gate 39737c478bd9Sstevel@tonic-gate /* 39747c478bd9Sstevel@tonic-gate * Copy the current instance file into a temporary file. 39757c478bd9Sstevel@tonic-gate * Then rename the temporary file into the backup (.old) 39767c478bd9Sstevel@tonic-gate * file and rename the newly flushed kernel data into 39777c478bd9Sstevel@tonic-gate * the instance file. 39787c478bd9Sstevel@tonic-gate * Of course if 'inst_file' doesn't exist, there's much 39797c478bd9Sstevel@tonic-gate * less for us to do .. tee hee. 39807c478bd9Sstevel@tonic-gate */ 39817c478bd9Sstevel@tonic-gate if ((inst_file_fp = fopen(inst_file, "r")) == NULL) { 39827c478bd9Sstevel@tonic-gate /* 39837c478bd9Sstevel@tonic-gate * No such file. Rename the new onto the old 39847c478bd9Sstevel@tonic-gate */ 39857c478bd9Sstevel@tonic-gate if ((err = rename(new_inst_file, inst_file)) != 0) 39867c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 39877c478bd9Sstevel@tonic-gate goto out; 39887c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 39897c478bd9Sstevel@tonic-gate } 39907c478bd9Sstevel@tonic-gate 39917c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file, inst_strlen + PID_STR_LEN + 6, 39927c478bd9Sstevel@tonic-gate "%s.old.%ld", inst_file, getpid()); 39937c478bd9Sstevel@tonic-gate 39947c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 39957c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 39967c478bd9Sstevel@tonic-gate } 39977c478bd9Sstevel@tonic-gate 39987c478bd9Sstevel@tonic-gate if ((old_inst_file_fp = fopen(old_inst_file, "w")) == NULL) { 39997c478bd9Sstevel@tonic-gate /* 40007c478bd9Sstevel@tonic-gate * Can't open the 'old_inst_file' file for writing. 40017c478bd9Sstevel@tonic-gate * This is somewhat strange given that the syscall 40027c478bd9Sstevel@tonic-gate * just succeeded to write a file out.. hmm.. maybe 40037c478bd9Sstevel@tonic-gate * the fs just filled up or something nasty. 40047c478bd9Sstevel@tonic-gate * 40057c478bd9Sstevel@tonic-gate * Anyway, abort what we've done so far. 40067c478bd9Sstevel@tonic-gate */ 40077c478bd9Sstevel@tonic-gate err_print(CANT_UPDATE, old_inst_file); 40087c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 40097c478bd9Sstevel@tonic-gate goto out; 40107c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 40117c478bd9Sstevel@tonic-gate } 40127c478bd9Sstevel@tonic-gate 40137c478bd9Sstevel@tonic-gate /* 40147c478bd9Sstevel@tonic-gate * Copy current instance file into the temporary file 40157c478bd9Sstevel@tonic-gate */ 40167c478bd9Sstevel@tonic-gate err = 0; 40177c478bd9Sstevel@tonic-gate while ((c = getc(inst_file_fp)) != EOF) { 40187c478bd9Sstevel@tonic-gate if ((err = putc(c, old_inst_file_fp)) == EOF) { 40197c478bd9Sstevel@tonic-gate break; 40207c478bd9Sstevel@tonic-gate } 40217c478bd9Sstevel@tonic-gate } 40227c478bd9Sstevel@tonic-gate 40237c478bd9Sstevel@tonic-gate if (fclose(old_inst_file_fp) == EOF || err == EOF) { 40247c478bd9Sstevel@tonic-gate vprint(INFO_MID, CANT_UPDATE, old_inst_file); 40257c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 40267c478bd9Sstevel@tonic-gate goto out; 40277c478bd9Sstevel@tonic-gate /* NOTREACHED */ 40287c478bd9Sstevel@tonic-gate } 40297c478bd9Sstevel@tonic-gate 40307c478bd9Sstevel@tonic-gate /* 40317c478bd9Sstevel@tonic-gate * Set permissions to be the same on the backup as 40327c478bd9Sstevel@tonic-gate * /etc/path_to_inst. 40337c478bd9Sstevel@tonic-gate */ 40347c478bd9Sstevel@tonic-gate (void) chmod(old_inst_file, 0444); 40357c478bd9Sstevel@tonic-gate 40367c478bd9Sstevel@tonic-gate /* 40377c478bd9Sstevel@tonic-gate * So far, everything we've done is more or less reversible. 40387c478bd9Sstevel@tonic-gate * But now we're going to commit ourselves. 40397c478bd9Sstevel@tonic-gate */ 40407c478bd9Sstevel@tonic-gate 40417c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file_npid, 40427c478bd9Sstevel@tonic-gate inst_strlen + sizeof (INSTANCE_FILE_SUFFIX), 40437c478bd9Sstevel@tonic-gate "%s%s", inst_file, INSTANCE_FILE_SUFFIX); 40447c478bd9Sstevel@tonic-gate 40457c478bd9Sstevel@tonic-gate if ((err = rename(old_inst_file, old_inst_file_npid)) != 0) { 40467c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, old_inst_file_npid, 40477c478bd9Sstevel@tonic-gate strerror(errno)); 40487c478bd9Sstevel@tonic-gate } else if ((err = rename(new_inst_file, inst_file)) != 0) { 40497c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 40507c478bd9Sstevel@tonic-gate } 40517c478bd9Sstevel@tonic-gate 40527c478bd9Sstevel@tonic-gate out: 40537c478bd9Sstevel@tonic-gate if (inst_file_fp != NULL) { 40547c478bd9Sstevel@tonic-gate if (fclose(inst_file_fp) == EOF) { 40557c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, inst_file, strerror(errno)); 40567c478bd9Sstevel@tonic-gate } 40577c478bd9Sstevel@tonic-gate } 40587c478bd9Sstevel@tonic-gate 40597c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 40607c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 40617c478bd9Sstevel@tonic-gate } 40627c478bd9Sstevel@tonic-gate free(new_inst_file); 40637c478bd9Sstevel@tonic-gate 40647c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 40657c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 40667c478bd9Sstevel@tonic-gate } 40677c478bd9Sstevel@tonic-gate free(old_inst_file); 40687c478bd9Sstevel@tonic-gate 40697c478bd9Sstevel@tonic-gate free(old_inst_file_npid); 40707c478bd9Sstevel@tonic-gate 40717c478bd9Sstevel@tonic-gate if (err != 0 && err != EALREADY) { 40727c478bd9Sstevel@tonic-gate err_print(FAILED_TO_UPDATE, inst_file); 40737c478bd9Sstevel@tonic-gate } 40747c478bd9Sstevel@tonic-gate } 40757c478bd9Sstevel@tonic-gate 40767c478bd9Sstevel@tonic-gate /* 40777c478bd9Sstevel@tonic-gate * detach from tty. For daemon mode. 40787c478bd9Sstevel@tonic-gate */ 40797c478bd9Sstevel@tonic-gate void 40807c478bd9Sstevel@tonic-gate detachfromtty() 40817c478bd9Sstevel@tonic-gate { 40827c478bd9Sstevel@tonic-gate (void) setsid(); 40837c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON == TRUE) { 40847c478bd9Sstevel@tonic-gate return; 40857c478bd9Sstevel@tonic-gate } 40867c478bd9Sstevel@tonic-gate 40877c478bd9Sstevel@tonic-gate (void) close(0); 40887c478bd9Sstevel@tonic-gate (void) close(1); 40897c478bd9Sstevel@tonic-gate (void) close(2); 40907c478bd9Sstevel@tonic-gate (void) open("/dev/null", O_RDWR, 0); 40917c478bd9Sstevel@tonic-gate (void) dup(0); 40927c478bd9Sstevel@tonic-gate (void) dup(0); 40937c478bd9Sstevel@tonic-gate openlog(DEVFSADMD, LOG_PID, LOG_DAEMON); 40947c478bd9Sstevel@tonic-gate (void) setlogmask(LOG_UPTO(LOG_INFO)); 40957c478bd9Sstevel@tonic-gate logflag = TRUE; 40967c478bd9Sstevel@tonic-gate } 40977c478bd9Sstevel@tonic-gate 40987c478bd9Sstevel@tonic-gate /* 40997c478bd9Sstevel@tonic-gate * Use an advisory lock to synchronize updates to /dev. If the lock is 41007c478bd9Sstevel@tonic-gate * held by another process, block in the fcntl() system call until that 41017c478bd9Sstevel@tonic-gate * process drops the lock or exits. The lock file itself is 41027c478bd9Sstevel@tonic-gate * DEV_LOCK_FILE. The process id of the current and last process owning 41037c478bd9Sstevel@tonic-gate * the lock is kept in the lock file. After acquiring the lock, read the 41047c478bd9Sstevel@tonic-gate * process id and return it. It is the process ID which last owned the 41057c478bd9Sstevel@tonic-gate * lock, and will be used to determine if caches need to be flushed. 41067c478bd9Sstevel@tonic-gate * 41077c478bd9Sstevel@tonic-gate * NOTE: if the devlink database is held open by the caller, it may 41087c478bd9Sstevel@tonic-gate * be closed by this routine. This is to enforce the following lock ordering: 41097c478bd9Sstevel@tonic-gate * 1) /dev lock 2) database open 41107c478bd9Sstevel@tonic-gate */ 41117c478bd9Sstevel@tonic-gate pid_t 41127c478bd9Sstevel@tonic-gate enter_dev_lock() 41137c478bd9Sstevel@tonic-gate { 41147c478bd9Sstevel@tonic-gate struct flock lock; 41157c478bd9Sstevel@tonic-gate int n; 41167c478bd9Sstevel@tonic-gate pid_t pid; 41177c478bd9Sstevel@tonic-gate pid_t last_owner_pid; 41187c478bd9Sstevel@tonic-gate 41197c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 41207c478bd9Sstevel@tonic-gate return (0); 41217c478bd9Sstevel@tonic-gate } 41227c478bd9Sstevel@tonic-gate 41237c478bd9Sstevel@tonic-gate s_mkdirp(dev_dir, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); 41247c478bd9Sstevel@tonic-gate (void) snprintf(dev_lockfile, sizeof (dev_lockfile), 41257c478bd9Sstevel@tonic-gate "%s/%s", dev_dir, DEV_LOCK_FILE); 41267c478bd9Sstevel@tonic-gate 41277c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_dev_lock: lock file %s\n", dev_lockfile); 41287c478bd9Sstevel@tonic-gate 41297c478bd9Sstevel@tonic-gate dev_lock_fd = open(dev_lockfile, O_CREAT|O_RDWR, 0644); 41307c478bd9Sstevel@tonic-gate if (dev_lock_fd < 0) { 41317c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, dev_lockfile, strerror(errno)); 41327c478bd9Sstevel@tonic-gate devfsadm_exit(1); 41337c478bd9Sstevel@tonic-gate } 41347c478bd9Sstevel@tonic-gate 41357c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 41367c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 41377c478bd9Sstevel@tonic-gate lock.l_start = 0; 41387c478bd9Sstevel@tonic-gate lock.l_len = 0; 41397c478bd9Sstevel@tonic-gate 41407c478bd9Sstevel@tonic-gate /* try for the lock, but don't wait */ 41417c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &lock) == -1) { 41427c478bd9Sstevel@tonic-gate if ((errno == EACCES) || (errno == EAGAIN)) { 41437c478bd9Sstevel@tonic-gate pid = 0; 41447c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 41457c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "waiting for PID %d to complete\n", 41467c478bd9Sstevel@tonic-gate (int)pid); 41477c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 41487c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, 41497c478bd9Sstevel@tonic-gate strerror(errno)); 41507c478bd9Sstevel@tonic-gate devfsadm_exit(1); 41517c478bd9Sstevel@tonic-gate } 41527c478bd9Sstevel@tonic-gate /* 41537c478bd9Sstevel@tonic-gate * wait for the dev lock. If we have the database open, 41547c478bd9Sstevel@tonic-gate * close it first - the order of lock acquisition should 41557c478bd9Sstevel@tonic-gate * always be: 1) dev_lock 2) database 41567c478bd9Sstevel@tonic-gate * This is to prevent deadlocks with any locks the 41577c478bd9Sstevel@tonic-gate * database code may hold. 41587c478bd9Sstevel@tonic-gate */ 41597c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 41607c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLKW, &lock) == -1) { 41617c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, dev_lockfile, 41627c478bd9Sstevel@tonic-gate strerror(errno)); 41637c478bd9Sstevel@tonic-gate devfsadm_exit(1); 41647c478bd9Sstevel@tonic-gate } 41657c478bd9Sstevel@tonic-gate } 41667c478bd9Sstevel@tonic-gate } 41677c478bd9Sstevel@tonic-gate 41687c478bd9Sstevel@tonic-gate hold_dev_lock = TRUE; 41697c478bd9Sstevel@tonic-gate pid = 0; 41707c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 41717c478bd9Sstevel@tonic-gate if (n == sizeof (pid_t) && pid == getpid()) { 41727c478bd9Sstevel@tonic-gate return (pid); 41737c478bd9Sstevel@tonic-gate } 41747c478bd9Sstevel@tonic-gate 41757c478bd9Sstevel@tonic-gate last_owner_pid = pid; 41767c478bd9Sstevel@tonic-gate 41777c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 41787c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, strerror(errno)); 41797c478bd9Sstevel@tonic-gate devfsadm_exit(1); 41807c478bd9Sstevel@tonic-gate } 41817c478bd9Sstevel@tonic-gate pid = getpid(); 41827c478bd9Sstevel@tonic-gate n = write(dev_lock_fd, &pid, sizeof (pid_t)); 41837c478bd9Sstevel@tonic-gate if (n != sizeof (pid_t)) { 41847c478bd9Sstevel@tonic-gate err_print(WRITE_FAILED, dev_lockfile, strerror(errno)); 41857c478bd9Sstevel@tonic-gate devfsadm_exit(1); 41867c478bd9Sstevel@tonic-gate } 41877c478bd9Sstevel@tonic-gate 41887c478bd9Sstevel@tonic-gate return (last_owner_pid); 41897c478bd9Sstevel@tonic-gate } 41907c478bd9Sstevel@tonic-gate 41917c478bd9Sstevel@tonic-gate /* 41927c478bd9Sstevel@tonic-gate * Drop the advisory /dev lock, close lock file. Close and re-open the 41937c478bd9Sstevel@tonic-gate * file every time so to ensure a resync if for some reason the lock file 41947c478bd9Sstevel@tonic-gate * gets removed. 41957c478bd9Sstevel@tonic-gate */ 41967c478bd9Sstevel@tonic-gate void 41977c478bd9Sstevel@tonic-gate exit_dev_lock() 41987c478bd9Sstevel@tonic-gate { 41997c478bd9Sstevel@tonic-gate struct flock unlock; 42007c478bd9Sstevel@tonic-gate 42017c478bd9Sstevel@tonic-gate if (hold_dev_lock == FALSE) { 42027c478bd9Sstevel@tonic-gate return; 42037c478bd9Sstevel@tonic-gate } 42047c478bd9Sstevel@tonic-gate 42057c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "exit_dev_lock: lock file %s\n", dev_lockfile); 42067c478bd9Sstevel@tonic-gate 42077c478bd9Sstevel@tonic-gate unlock.l_type = F_UNLCK; 42087c478bd9Sstevel@tonic-gate unlock.l_whence = SEEK_SET; 42097c478bd9Sstevel@tonic-gate unlock.l_start = 0; 42107c478bd9Sstevel@tonic-gate unlock.l_len = 0; 42117c478bd9Sstevel@tonic-gate 42127c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &unlock) == -1) { 42137c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, dev_lockfile, strerror(errno)); 42147c478bd9Sstevel@tonic-gate } 42157c478bd9Sstevel@tonic-gate 42167c478bd9Sstevel@tonic-gate hold_dev_lock = FALSE; 42177c478bd9Sstevel@tonic-gate 42187c478bd9Sstevel@tonic-gate if (close(dev_lock_fd) == -1) { 42197c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, dev_lockfile, strerror(errno)); 42207c478bd9Sstevel@tonic-gate devfsadm_exit(1); 42217c478bd9Sstevel@tonic-gate } 42227c478bd9Sstevel@tonic-gate } 42237c478bd9Sstevel@tonic-gate 42247c478bd9Sstevel@tonic-gate /* 42257c478bd9Sstevel@tonic-gate * 42267c478bd9Sstevel@tonic-gate * Use an advisory lock to ensure that only one daemon process is active 42277c478bd9Sstevel@tonic-gate * in the system at any point in time. If the lock is held by another 42287c478bd9Sstevel@tonic-gate * process, do not block but return the pid owner of the lock to the 42297c478bd9Sstevel@tonic-gate * caller immediately. The lock is cleared if the holding daemon process 42307c478bd9Sstevel@tonic-gate * exits for any reason even if the lock file remains, so the daemon can 42317c478bd9Sstevel@tonic-gate * be restarted if necessary. The lock file is DAEMON_LOCK_FILE. 42327c478bd9Sstevel@tonic-gate */ 42337c478bd9Sstevel@tonic-gate pid_t 42347c478bd9Sstevel@tonic-gate enter_daemon_lock(void) 42357c478bd9Sstevel@tonic-gate { 42367c478bd9Sstevel@tonic-gate struct flock lock; 42377c478bd9Sstevel@tonic-gate 42387c478bd9Sstevel@tonic-gate s_mkdirp(dev_dir, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); 42397c478bd9Sstevel@tonic-gate (void) snprintf(daemon_lockfile, sizeof (daemon_lockfile), 42407c478bd9Sstevel@tonic-gate "%s/%s", dev_dir, DAEMON_LOCK_FILE); 42417c478bd9Sstevel@tonic-gate 42427c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_daemon_lock: lock file %s\n", daemon_lockfile); 42437c478bd9Sstevel@tonic-gate 42447c478bd9Sstevel@tonic-gate daemon_lock_fd = open(daemon_lockfile, O_CREAT|O_RDWR, 0644); 42457c478bd9Sstevel@tonic-gate if (daemon_lock_fd < 0) { 42467c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, daemon_lockfile, strerror(errno)); 42477c478bd9Sstevel@tonic-gate devfsadm_exit(1); 42487c478bd9Sstevel@tonic-gate } 42497c478bd9Sstevel@tonic-gate 42507c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 42517c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 42527c478bd9Sstevel@tonic-gate lock.l_start = 0; 42537c478bd9Sstevel@tonic-gate lock.l_len = 0; 42547c478bd9Sstevel@tonic-gate 42557c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 42567c478bd9Sstevel@tonic-gate 42577c478bd9Sstevel@tonic-gate if (errno == EAGAIN || errno == EDEADLK) { 42587c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_GETLK, &lock) == -1) { 42597c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, daemon_lockfile, 42607c478bd9Sstevel@tonic-gate strerror(errno)); 42617c478bd9Sstevel@tonic-gate devfsadm_exit(1); 42627c478bd9Sstevel@tonic-gate } 42637c478bd9Sstevel@tonic-gate return (lock.l_pid); 42647c478bd9Sstevel@tonic-gate } 42657c478bd9Sstevel@tonic-gate } 42667c478bd9Sstevel@tonic-gate hold_daemon_lock = TRUE; 42677c478bd9Sstevel@tonic-gate return (getpid()); 42687c478bd9Sstevel@tonic-gate } 42697c478bd9Sstevel@tonic-gate 42707c478bd9Sstevel@tonic-gate /* 42717c478bd9Sstevel@tonic-gate * Drop the advisory daemon lock, close lock file 42727c478bd9Sstevel@tonic-gate */ 42737c478bd9Sstevel@tonic-gate void 42747c478bd9Sstevel@tonic-gate exit_daemon_lock(void) 42757c478bd9Sstevel@tonic-gate { 42767c478bd9Sstevel@tonic-gate struct flock lock; 42777c478bd9Sstevel@tonic-gate 42787c478bd9Sstevel@tonic-gate if (hold_daemon_lock == FALSE) { 42797c478bd9Sstevel@tonic-gate return; 42807c478bd9Sstevel@tonic-gate } 42817c478bd9Sstevel@tonic-gate 42827c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "exit_daemon_lock: lock file %s\n", daemon_lockfile); 42837c478bd9Sstevel@tonic-gate 42847c478bd9Sstevel@tonic-gate lock.l_type = F_UNLCK; 42857c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 42867c478bd9Sstevel@tonic-gate lock.l_start = 0; 42877c478bd9Sstevel@tonic-gate lock.l_len = 0; 42887c478bd9Sstevel@tonic-gate 42897c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 42907c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, daemon_lockfile, strerror(errno)); 42917c478bd9Sstevel@tonic-gate } 42927c478bd9Sstevel@tonic-gate 42937c478bd9Sstevel@tonic-gate if (close(daemon_lock_fd) == -1) { 42947c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, daemon_lockfile, strerror(errno)); 42957c478bd9Sstevel@tonic-gate devfsadm_exit(1); 42967c478bd9Sstevel@tonic-gate } 42977c478bd9Sstevel@tonic-gate } 42987c478bd9Sstevel@tonic-gate 42997c478bd9Sstevel@tonic-gate /* 43007c478bd9Sstevel@tonic-gate * Called to removed danging nodes in two different modes: RM_PRE, RM_POST. 43017c478bd9Sstevel@tonic-gate * RM_PRE mode is called before processing the entire devinfo tree, and RM_POST 43027c478bd9Sstevel@tonic-gate * is called after processing the entire devinfo tree. 43037c478bd9Sstevel@tonic-gate */ 43047c478bd9Sstevel@tonic-gate static void 43057c478bd9Sstevel@tonic-gate pre_and_post_cleanup(int flags) 43067c478bd9Sstevel@tonic-gate { 43077c478bd9Sstevel@tonic-gate remove_list_t *rm; 43087c478bd9Sstevel@tonic-gate recurse_dev_t rd; 43097c478bd9Sstevel@tonic-gate cleanup_data_t cleanup_data; 43107c478bd9Sstevel@tonic-gate char *fcn = "pre_and_post_cleanup: "; 43117c478bd9Sstevel@tonic-gate 43127c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 43137c478bd9Sstevel@tonic-gate return; 43147c478bd9Sstevel@tonic-gate 43157c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "attempting %s-cleanup\n", 43167c478bd9Sstevel@tonic-gate flags == RM_PRE ? "pre" : "post"); 43177c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sflags = %d\n", fcn, flags); 43187c478bd9Sstevel@tonic-gate 43197c478bd9Sstevel@tonic-gate /* 43207c478bd9Sstevel@tonic-gate * the generic function recurse_dev_re is shared among different 43217c478bd9Sstevel@tonic-gate * functions, so set the method and data that it should use for 43227c478bd9Sstevel@tonic-gate * matches. 43237c478bd9Sstevel@tonic-gate */ 43247c478bd9Sstevel@tonic-gate rd.fcn = matching_dev; 43257c478bd9Sstevel@tonic-gate rd.data = (void *)&cleanup_data; 43267c478bd9Sstevel@tonic-gate cleanup_data.flags = flags; 43277c478bd9Sstevel@tonic-gate 43287c478bd9Sstevel@tonic-gate for (rm = remove_head; rm != NULL; rm = rm->next) { 43297c478bd9Sstevel@tonic-gate if ((flags & rm->remove->flags) == flags) { 43307c478bd9Sstevel@tonic-gate cleanup_data.rm = rm; 43317c478bd9Sstevel@tonic-gate /* 43327c478bd9Sstevel@tonic-gate * If reached this point, RM_PRE or RM_POST cleanup is 43337c478bd9Sstevel@tonic-gate * desired. clean_ok() decides whether to clean 43347c478bd9Sstevel@tonic-gate * under the given circumstances. 43357c478bd9Sstevel@tonic-gate */ 43367c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%scleanup: PRE or POST\n", fcn); 43377c478bd9Sstevel@tonic-gate if (clean_ok(rm->remove) == DEVFSADM_SUCCESS) { 43387c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "cleanup: cleanup OK\n"); 43397c478bd9Sstevel@tonic-gate recurse_dev_re(dev_dir, rm->remove-> 43407c478bd9Sstevel@tonic-gate dev_dirs_re, &rd); 43417c478bd9Sstevel@tonic-gate } 43427c478bd9Sstevel@tonic-gate } 43437c478bd9Sstevel@tonic-gate } 43447c478bd9Sstevel@tonic-gate } 43457c478bd9Sstevel@tonic-gate 43467c478bd9Sstevel@tonic-gate /* 43477c478bd9Sstevel@tonic-gate * clean_ok() determines whether cleanup should be done according 43487c478bd9Sstevel@tonic-gate * to the following matrix: 43497c478bd9Sstevel@tonic-gate * 43507c478bd9Sstevel@tonic-gate * command line arguments RM_PRE RM_POST RM_PRE && RM_POST && 43517c478bd9Sstevel@tonic-gate * RM_ALWAYS RM_ALWAYS 43527c478bd9Sstevel@tonic-gate * ---------------------- ------ ----- --------- ---------- 43537c478bd9Sstevel@tonic-gate * 43547c478bd9Sstevel@tonic-gate * <neither -c nor -C> - - pre-clean post-clean 43557c478bd9Sstevel@tonic-gate * 43567c478bd9Sstevel@tonic-gate * -C pre-clean post-clean pre-clean post-clean 43577c478bd9Sstevel@tonic-gate * 43587c478bd9Sstevel@tonic-gate * -C -c class pre-clean post-clean pre-clean post-clean 43597c478bd9Sstevel@tonic-gate * if class if class if class if class 43607c478bd9Sstevel@tonic-gate * matches matches matches matches 43617c478bd9Sstevel@tonic-gate * 43627c478bd9Sstevel@tonic-gate * -c class - - pre-clean post-clean 43637c478bd9Sstevel@tonic-gate * if class if class 43647c478bd9Sstevel@tonic-gate * matches matches 43657c478bd9Sstevel@tonic-gate * 43667c478bd9Sstevel@tonic-gate */ 43677c478bd9Sstevel@tonic-gate static int 43687c478bd9Sstevel@tonic-gate clean_ok(devfsadm_remove_t *remove) 43697c478bd9Sstevel@tonic-gate { 43707c478bd9Sstevel@tonic-gate int i; 43717c478bd9Sstevel@tonic-gate 43727c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 43737c478bd9Sstevel@tonic-gate /* no cleanup at all when using -i option */ 43747c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 43757c478bd9Sstevel@tonic-gate } 43767c478bd9Sstevel@tonic-gate 43777c478bd9Sstevel@tonic-gate /* 43787c478bd9Sstevel@tonic-gate * no cleanup if drivers are not loaded. We make an exception 43797c478bd9Sstevel@tonic-gate * for the "disks" program however, since disks has a public 43807c478bd9Sstevel@tonic-gate * cleanup flag (-C) and disk drivers are usually never 43817c478bd9Sstevel@tonic-gate * unloaded. 43827c478bd9Sstevel@tonic-gate */ 43837c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE && strcmp(prog, DISKS) != 0) { 43847c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 43857c478bd9Sstevel@tonic-gate } 43867c478bd9Sstevel@tonic-gate 43877c478bd9Sstevel@tonic-gate /* if the cleanup flag was not specified, return false */ 43887c478bd9Sstevel@tonic-gate if ((cleanup == FALSE) && ((remove->flags & RM_ALWAYS) == 0)) { 43897c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 43907c478bd9Sstevel@tonic-gate } 43917c478bd9Sstevel@tonic-gate 43927c478bd9Sstevel@tonic-gate if (num_classes == 0) { 43937c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 43947c478bd9Sstevel@tonic-gate } 43957c478bd9Sstevel@tonic-gate 43967c478bd9Sstevel@tonic-gate /* 43977c478bd9Sstevel@tonic-gate * if reached this point, check to see if the class in the given 43987c478bd9Sstevel@tonic-gate * remove structure matches a class given on the command line 43997c478bd9Sstevel@tonic-gate */ 44007c478bd9Sstevel@tonic-gate 44017c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 44027c478bd9Sstevel@tonic-gate if (strcmp(remove->device_class, classes[i]) == 0) { 44037c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 44047c478bd9Sstevel@tonic-gate } 44057c478bd9Sstevel@tonic-gate } 44067c478bd9Sstevel@tonic-gate 44077c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 44087c478bd9Sstevel@tonic-gate } 44097c478bd9Sstevel@tonic-gate 44107c478bd9Sstevel@tonic-gate /* 44117c478bd9Sstevel@tonic-gate * Called to remove dangling nodes after receiving a hotplug event 44127c478bd9Sstevel@tonic-gate * containing the physical node pathname to be removed. 44137c478bd9Sstevel@tonic-gate */ 44147c478bd9Sstevel@tonic-gate void 44157c478bd9Sstevel@tonic-gate hot_cleanup(char *node_path, char *minor_name, char *ev_subclass, 44167c478bd9Sstevel@tonic-gate char *driver_name, int instance) 44177c478bd9Sstevel@tonic-gate { 44187c478bd9Sstevel@tonic-gate link_t *link; 44197c478bd9Sstevel@tonic-gate linkhead_t *head; 44207c478bd9Sstevel@tonic-gate remove_list_t *rm; 44217c478bd9Sstevel@tonic-gate char *fcn = "hot_cleanup: "; 44227c478bd9Sstevel@tonic-gate char path[PATH_MAX + 1]; 44237c478bd9Sstevel@tonic-gate int path_len; 44247c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 44257c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 4426fb9251a6Scth int skip; 44277c478bd9Sstevel@tonic-gate 44287c478bd9Sstevel@tonic-gate /* 44297c478bd9Sstevel@tonic-gate * dev links can go away as part of hot cleanup. 44307c478bd9Sstevel@tonic-gate * So first build event attributes in order capture dev links. 44317c478bd9Sstevel@tonic-gate */ 44327c478bd9Sstevel@tonic-gate if (ev_subclass != NULL) 44337c478bd9Sstevel@tonic-gate nvl = build_event_attributes(EC_DEV_REMOVE, ev_subclass, 44347c478bd9Sstevel@tonic-gate node_path, DI_NODE_NIL, driver_name, instance); 44357c478bd9Sstevel@tonic-gate 44367c478bd9Sstevel@tonic-gate (void) strcpy(path, node_path); 44377c478bd9Sstevel@tonic-gate (void) strcat(path, ":"); 44387c478bd9Sstevel@tonic-gate (void) strcat(path, minor_name == NULL ? "" : minor_name); 44397c478bd9Sstevel@tonic-gate 44407c478bd9Sstevel@tonic-gate path_len = strlen(path); 44417c478bd9Sstevel@tonic-gate 44427c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%spath=%s\n", fcn, path); 44437c478bd9Sstevel@tonic-gate 44447c478bd9Sstevel@tonic-gate for (rm = remove_head; rm != NULL; rm = rm->next) { 44457c478bd9Sstevel@tonic-gate if ((RM_HOT & rm->remove->flags) == RM_HOT) { 44467c478bd9Sstevel@tonic-gate head = get_cached_links(rm->remove->dev_dirs_re); 44477c478bd9Sstevel@tonic-gate assert(head->nextlink == NULL); 44487c478bd9Sstevel@tonic-gate for (link = head->link; 44497c478bd9Sstevel@tonic-gate link != NULL; link = head->nextlink) { 44507c478bd9Sstevel@tonic-gate /* 44517c478bd9Sstevel@tonic-gate * The remove callback below may remove 44527c478bd9Sstevel@tonic-gate * the current and/or any or all of the 44537c478bd9Sstevel@tonic-gate * subsequent links in the list. 44547c478bd9Sstevel@tonic-gate * Save the next link in the head. If 44557c478bd9Sstevel@tonic-gate * the callback removes the next link 44567c478bd9Sstevel@tonic-gate * the saved pointer in the head will be 44577c478bd9Sstevel@tonic-gate * updated by the callback to point at 44587c478bd9Sstevel@tonic-gate * the next valid link. 44597c478bd9Sstevel@tonic-gate */ 44607c478bd9Sstevel@tonic-gate head->nextlink = link->next; 4461fb9251a6Scth if (minor_name) 4462fb9251a6Scth skip = strcmp(link->contents, path); 4463fb9251a6Scth else 4464fb9251a6Scth skip = strncmp(link->contents, path, 4465fb9251a6Scth path_len); 4466fb9251a6Scth if (skip || 4467fb9251a6Scth (call_minor_init(rm->modptr) == 4468fb9251a6Scth DEVFSADM_FAILURE)) 4469fb9251a6Scth continue; 44707c478bd9Sstevel@tonic-gate 4471fb9251a6Scth vprint(REMOVE_MID, 4472fb9251a6Scth "%sremoving %s -> %s\n", fcn, 4473fb9251a6Scth link->devlink, link->contents); 4474fb9251a6Scth /* 4475fb9251a6Scth * Use a copy of the cached link name 4476fb9251a6Scth * as the cache entry will go away 4477fb9251a6Scth * during link removal 4478fb9251a6Scth */ 4479fb9251a6Scth (void) snprintf(rmlink, sizeof (rmlink), 4480fb9251a6Scth "%s", link->devlink); 4481fb9251a6Scth (*(rm->remove->callback_fcn))(rmlink); 44827c478bd9Sstevel@tonic-gate } 44837c478bd9Sstevel@tonic-gate } 44847c478bd9Sstevel@tonic-gate } 44857c478bd9Sstevel@tonic-gate 44867c478bd9Sstevel@tonic-gate /* now log an event */ 44877c478bd9Sstevel@tonic-gate if (nvl) { 44887c478bd9Sstevel@tonic-gate log_event(EC_DEV_REMOVE, ev_subclass, nvl); 44897c478bd9Sstevel@tonic-gate free(nvl); 44907c478bd9Sstevel@tonic-gate } 44917c478bd9Sstevel@tonic-gate } 44927c478bd9Sstevel@tonic-gate 44937c478bd9Sstevel@tonic-gate /* 44947c478bd9Sstevel@tonic-gate * Open the dir current_dir. For every file which matches the first dir 44957c478bd9Sstevel@tonic-gate * component of path_re, recurse. If there are no more *dir* path 44967c478bd9Sstevel@tonic-gate * components left in path_re (ie no more /), then call function rd->fcn. 44977c478bd9Sstevel@tonic-gate */ 44987c478bd9Sstevel@tonic-gate static void 44997c478bd9Sstevel@tonic-gate recurse_dev_re(char *current_dir, char *path_re, recurse_dev_t *rd) 45007c478bd9Sstevel@tonic-gate { 45017c478bd9Sstevel@tonic-gate regex_t re1; 45027c478bd9Sstevel@tonic-gate char *slash; 45037c478bd9Sstevel@tonic-gate char new_path[PATH_MAX + 1]; 45047c478bd9Sstevel@tonic-gate char *anchored_path_re; 45057c478bd9Sstevel@tonic-gate struct dirent *entp; 45067c478bd9Sstevel@tonic-gate DIR *dp; 45077c478bd9Sstevel@tonic-gate size_t len; 45087c478bd9Sstevel@tonic-gate 45097c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: curr = %s path=%s\n", 45107c478bd9Sstevel@tonic-gate current_dir, path_re); 45117c478bd9Sstevel@tonic-gate 45127c478bd9Sstevel@tonic-gate if ((dp = opendir(current_dir)) == NULL) { 45137c478bd9Sstevel@tonic-gate return; 45147c478bd9Sstevel@tonic-gate } 45157c478bd9Sstevel@tonic-gate 45167c478bd9Sstevel@tonic-gate len = strlen(path_re); 45177c478bd9Sstevel@tonic-gate if ((slash = strchr(path_re, '/')) != NULL) { 45187c478bd9Sstevel@tonic-gate len = (slash - path_re); 45197c478bd9Sstevel@tonic-gate } 45207c478bd9Sstevel@tonic-gate 45217c478bd9Sstevel@tonic-gate anchored_path_re = s_malloc(len + 3); 45227c478bd9Sstevel@tonic-gate (void) sprintf(anchored_path_re, "^%.*s$", len, path_re); 45237c478bd9Sstevel@tonic-gate 45247c478bd9Sstevel@tonic-gate if (regcomp(&re1, anchored_path_re, REG_EXTENDED) != 0) { 45257c478bd9Sstevel@tonic-gate free(anchored_path_re); 45267c478bd9Sstevel@tonic-gate goto out; 45277c478bd9Sstevel@tonic-gate } 45287c478bd9Sstevel@tonic-gate 45297c478bd9Sstevel@tonic-gate free(anchored_path_re); 45307c478bd9Sstevel@tonic-gate 45314bc0a2efScasper while ((entp = readdir(dp)) != NULL) { 45327c478bd9Sstevel@tonic-gate 45337c478bd9Sstevel@tonic-gate if (strcmp(entp->d_name, ".") == 0 || 45347c478bd9Sstevel@tonic-gate strcmp(entp->d_name, "..") == 0) { 45357c478bd9Sstevel@tonic-gate continue; 45367c478bd9Sstevel@tonic-gate } 45377c478bd9Sstevel@tonic-gate 45387c478bd9Sstevel@tonic-gate if (regexec(&re1, entp->d_name, 0, NULL, 0) == 0) { 45397c478bd9Sstevel@tonic-gate /* match */ 45407c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 45417c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 45427c478bd9Sstevel@tonic-gate (void) strcat(new_path, entp->d_name); 45437c478bd9Sstevel@tonic-gate 45447c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: match, new " 45457c478bd9Sstevel@tonic-gate "path = %s\n", new_path); 45467c478bd9Sstevel@tonic-gate 45477c478bd9Sstevel@tonic-gate if (slash != NULL) { 45487c478bd9Sstevel@tonic-gate recurse_dev_re(new_path, slash + 1, rd); 45497c478bd9Sstevel@tonic-gate } else { 45507c478bd9Sstevel@tonic-gate /* reached the leaf component of path_re */ 45517c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, 45527c478bd9Sstevel@tonic-gate "recurse_dev_re: calling fcn\n"); 45537c478bd9Sstevel@tonic-gate (*(rd->fcn))(new_path, rd->data); 45547c478bd9Sstevel@tonic-gate } 45557c478bd9Sstevel@tonic-gate } 45567c478bd9Sstevel@tonic-gate } 45577c478bd9Sstevel@tonic-gate 45587c478bd9Sstevel@tonic-gate regfree(&re1); 45597c478bd9Sstevel@tonic-gate 45607c478bd9Sstevel@tonic-gate out: 45617c478bd9Sstevel@tonic-gate s_closedir(dp); 45627c478bd9Sstevel@tonic-gate } 45637c478bd9Sstevel@tonic-gate 45647c478bd9Sstevel@tonic-gate /* 45657c478bd9Sstevel@tonic-gate * Found a devpath which matches a RE in the remove structure. 45667c478bd9Sstevel@tonic-gate * Now check to see if it is dangling. 45677c478bd9Sstevel@tonic-gate */ 45687c478bd9Sstevel@tonic-gate static void 45697c478bd9Sstevel@tonic-gate matching_dev(char *devpath, void *data) 45707c478bd9Sstevel@tonic-gate { 45717c478bd9Sstevel@tonic-gate cleanup_data_t *cleanup_data = data; 45727c478bd9Sstevel@tonic-gate char *fcn = "matching_dev: "; 45737c478bd9Sstevel@tonic-gate 45747c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "%sexamining devpath = '%s'\n", fcn, 45757c478bd9Sstevel@tonic-gate devpath); 45767c478bd9Sstevel@tonic-gate 45777c478bd9Sstevel@tonic-gate if (resolve_link(devpath, NULL, NULL, NULL, 1) == TRUE) { 45787c478bd9Sstevel@tonic-gate if (call_minor_init(cleanup_data->rm->modptr) == 45797c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 45807c478bd9Sstevel@tonic-gate return; 45817c478bd9Sstevel@tonic-gate } 45827c478bd9Sstevel@tonic-gate 45837c478bd9Sstevel@tonic-gate devpath += strlen(dev_dir) + strlen("/"); 45847c478bd9Sstevel@tonic-gate 45857c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "%scalling" 45867c478bd9Sstevel@tonic-gate " callback %s\n", fcn, devpath); 45877c478bd9Sstevel@tonic-gate (*(cleanup_data->rm->remove->callback_fcn))(devpath); 45887c478bd9Sstevel@tonic-gate } 45897c478bd9Sstevel@tonic-gate } 45907c478bd9Sstevel@tonic-gate 45917c478bd9Sstevel@tonic-gate int 45927c478bd9Sstevel@tonic-gate devfsadm_read_link(char *link, char **devfs_path) 45937c478bd9Sstevel@tonic-gate { 45947c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 45957c478bd9Sstevel@tonic-gate 45967c478bd9Sstevel@tonic-gate *devfs_path = NULL; 45977c478bd9Sstevel@tonic-gate 45987c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 45997c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 46007c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 46017c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 46027c478bd9Sstevel@tonic-gate 46037c478bd9Sstevel@tonic-gate /* We *don't* want a stat of the /devices node */ 46047c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, devfs_path, 0); 46057c478bd9Sstevel@tonic-gate 46067c478bd9Sstevel@tonic-gate return (*devfs_path ? DEVFSADM_SUCCESS : DEVFSADM_FAILURE); 46077c478bd9Sstevel@tonic-gate } 46087c478bd9Sstevel@tonic-gate 46097c478bd9Sstevel@tonic-gate int 46107c478bd9Sstevel@tonic-gate devfsadm_link_valid(char *link) 46117c478bd9Sstevel@tonic-gate { 46127c478bd9Sstevel@tonic-gate struct stat sb; 46137c478bd9Sstevel@tonic-gate char devlink[PATH_MAX + 1], *contents; 46147c478bd9Sstevel@tonic-gate int rv, type; 46157c478bd9Sstevel@tonic-gate 46167c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 46177c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 46187c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 46197c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 46207c478bd9Sstevel@tonic-gate 46217c478bd9Sstevel@tonic-gate if (lstat(devlink, &sb) != 0) { 46227c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 46237c478bd9Sstevel@tonic-gate } 46247c478bd9Sstevel@tonic-gate 46257c478bd9Sstevel@tonic-gate contents = NULL; 46267c478bd9Sstevel@tonic-gate type = 0; 46277c478bd9Sstevel@tonic-gate if (resolve_link(devlink, &contents, &type, NULL, 1) == TRUE) { 46287c478bd9Sstevel@tonic-gate rv = DEVFSADM_FALSE; 46297c478bd9Sstevel@tonic-gate } else { 46307c478bd9Sstevel@tonic-gate rv = DEVFSADM_TRUE; 46317c478bd9Sstevel@tonic-gate } 46327c478bd9Sstevel@tonic-gate 46337c478bd9Sstevel@tonic-gate /* 46347c478bd9Sstevel@tonic-gate * The link exists. Add it to the database 46357c478bd9Sstevel@tonic-gate */ 46367c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, type); 46377c478bd9Sstevel@tonic-gate free(contents); 46387c478bd9Sstevel@tonic-gate 46397c478bd9Sstevel@tonic-gate return (rv); 46407c478bd9Sstevel@tonic-gate } 46417c478bd9Sstevel@tonic-gate 46427c478bd9Sstevel@tonic-gate /* 46437c478bd9Sstevel@tonic-gate * devpath: Absolute path to /dev link 46447c478bd9Sstevel@tonic-gate * content_p: Returns malloced string (link content) 46457c478bd9Sstevel@tonic-gate * type_p: Returns link type: primary or secondary 46467c478bd9Sstevel@tonic-gate * devfs_path: Returns malloced string: /devices path w/out "/devices" 46477c478bd9Sstevel@tonic-gate * dangle: if set, check if link is dangling 46487c478bd9Sstevel@tonic-gate * Returns: 46497c478bd9Sstevel@tonic-gate * TRUE if dangling 46507c478bd9Sstevel@tonic-gate * FALSE if not or if caller doesn't care 46517c478bd9Sstevel@tonic-gate * Caller is assumed to have initialized pointer contents to NULL 46527c478bd9Sstevel@tonic-gate */ 46537c478bd9Sstevel@tonic-gate static int 46547c478bd9Sstevel@tonic-gate resolve_link(char *devpath, char **content_p, int *type_p, char **devfs_path, 46557c478bd9Sstevel@tonic-gate int dangle) 46567c478bd9Sstevel@tonic-gate { 46577c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 46587c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 46597c478bd9Sstevel@tonic-gate char *fcn = "resolve_link: "; 46607c478bd9Sstevel@tonic-gate char *ptr; 46617c478bd9Sstevel@tonic-gate int linksize; 46627c478bd9Sstevel@tonic-gate int rv = TRUE; 46637c478bd9Sstevel@tonic-gate struct stat sb; 46647c478bd9Sstevel@tonic-gate 46657c478bd9Sstevel@tonic-gate linksize = readlink(devpath, contents, PATH_MAX); 46667c478bd9Sstevel@tonic-gate 46677c478bd9Sstevel@tonic-gate if (linksize <= 0) { 46687c478bd9Sstevel@tonic-gate return (FALSE); 46697c478bd9Sstevel@tonic-gate } else { 46707c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 46717c478bd9Sstevel@tonic-gate } 46727c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s %s -> %s\n", fcn, devpath, contents); 46737c478bd9Sstevel@tonic-gate 46747c478bd9Sstevel@tonic-gate if (content_p) { 46757c478bd9Sstevel@tonic-gate *content_p = s_strdup(contents); 46767c478bd9Sstevel@tonic-gate } 46777c478bd9Sstevel@tonic-gate 46787c478bd9Sstevel@tonic-gate /* 46797c478bd9Sstevel@tonic-gate * Check to see if this is a link pointing to another link in /dev. The 46807c478bd9Sstevel@tonic-gate * cheap way to do this is to look for a lack of ../devices/. 46817c478bd9Sstevel@tonic-gate */ 46827c478bd9Sstevel@tonic-gate 46837c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_FALSE) { 46847c478bd9Sstevel@tonic-gate 46857c478bd9Sstevel@tonic-gate if (type_p) { 46867c478bd9Sstevel@tonic-gate *type_p = DI_SECONDARY_LINK; 46877c478bd9Sstevel@tonic-gate } 46887c478bd9Sstevel@tonic-gate 46897c478bd9Sstevel@tonic-gate /* 46907c478bd9Sstevel@tonic-gate * assume that linkcontents is really a pointer to another 46917c478bd9Sstevel@tonic-gate * link, and if so recurse and read its link contents. 46927c478bd9Sstevel@tonic-gate */ 46937c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 46947c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, dev_dir); 46957c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 46967c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, 46977c478bd9Sstevel@tonic-gate &contents[strlen(DEV) + strlen("/")]); 46987c478bd9Sstevel@tonic-gate } else { 46997c478bd9Sstevel@tonic-gate if ((ptr = strrchr(devpath, '/')) == NULL) { 47007c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid link. " 47017c478bd9Sstevel@tonic-gate "missing '/'\n", fcn, devpath, 47027c478bd9Sstevel@tonic-gate contents); 47037c478bd9Sstevel@tonic-gate return (TRUE); 47047c478bd9Sstevel@tonic-gate } 47057c478bd9Sstevel@tonic-gate *ptr = '\0'; 47067c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, devpath); 47077c478bd9Sstevel@tonic-gate *ptr = '/'; 47087c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 47097c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 47107c478bd9Sstevel@tonic-gate } 47117c478bd9Sstevel@tonic-gate return (resolve_link(stage_link, NULL, NULL, devfs_path, 47127c478bd9Sstevel@tonic-gate dangle)); 47137c478bd9Sstevel@tonic-gate } 47147c478bd9Sstevel@tonic-gate 47157c478bd9Sstevel@tonic-gate /* Current link points at a /devices minor node */ 47167c478bd9Sstevel@tonic-gate if (type_p) { 47177c478bd9Sstevel@tonic-gate *type_p = DI_PRIMARY_LINK; 47187c478bd9Sstevel@tonic-gate } 47197c478bd9Sstevel@tonic-gate 47207c478bd9Sstevel@tonic-gate if (devfs_path) 47217c478bd9Sstevel@tonic-gate *devfs_path = s_strdup(ptr); 47227c478bd9Sstevel@tonic-gate 47237c478bd9Sstevel@tonic-gate rv = FALSE; 47247c478bd9Sstevel@tonic-gate if (dangle) 47257c478bd9Sstevel@tonic-gate rv = (stat(ptr - strlen(DEVICES), &sb) == -1); 47267c478bd9Sstevel@tonic-gate 47277c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%slink=%s, returning %s\n", fcn, 47287c478bd9Sstevel@tonic-gate devpath, ((rv == TRUE) ? "TRUE" : "FALSE")); 47297c478bd9Sstevel@tonic-gate 47307c478bd9Sstevel@tonic-gate return (rv); 47317c478bd9Sstevel@tonic-gate } 47327c478bd9Sstevel@tonic-gate 47337c478bd9Sstevel@tonic-gate /* 47347c478bd9Sstevel@tonic-gate * Returns the substring of interest, given a path. 47357c478bd9Sstevel@tonic-gate */ 47367c478bd9Sstevel@tonic-gate static char * 47377c478bd9Sstevel@tonic-gate alloc_cmp_str(const char *path, devfsadm_enumerate_t *dep) 47387c478bd9Sstevel@tonic-gate { 47397c478bd9Sstevel@tonic-gate uint_t match; 47407c478bd9Sstevel@tonic-gate char *np, *ap, *mp; 47417c478bd9Sstevel@tonic-gate char *cmp_str = NULL; 47427c478bd9Sstevel@tonic-gate char at[] = "@"; 47437c478bd9Sstevel@tonic-gate char *fcn = "alloc_cmp_str"; 47447c478bd9Sstevel@tonic-gate 47457c478bd9Sstevel@tonic-gate np = ap = mp = NULL; 47467c478bd9Sstevel@tonic-gate 47477c478bd9Sstevel@tonic-gate /* 47487c478bd9Sstevel@tonic-gate * extract match flags from the flags argument. 47497c478bd9Sstevel@tonic-gate */ 47507c478bd9Sstevel@tonic-gate match = (dep->flags & MATCH_MASK); 47517c478bd9Sstevel@tonic-gate 47527c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: enumeration match type: 0x%x" 47537c478bd9Sstevel@tonic-gate " path: %s\n", fcn, match, path); 47547c478bd9Sstevel@tonic-gate 47557c478bd9Sstevel@tonic-gate /* 47567c478bd9Sstevel@tonic-gate * MATCH_CALLBACK and MATCH_ALL are the only flags 47577c478bd9Sstevel@tonic-gate * which may be used if "path" is a /dev path 47587c478bd9Sstevel@tonic-gate */ 47597c478bd9Sstevel@tonic-gate if (match == MATCH_CALLBACK) { 47607c478bd9Sstevel@tonic-gate if (dep->sel_fcn == NULL) { 47617c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumerate" 47627c478bd9Sstevel@tonic-gate " callback: path: %s\n", fcn, path); 47637c478bd9Sstevel@tonic-gate return (NULL); 47647c478bd9Sstevel@tonic-gate } 47657c478bd9Sstevel@tonic-gate cmp_str = dep->sel_fcn(path, dep->cb_arg); 47667c478bd9Sstevel@tonic-gate return (cmp_str); 47677c478bd9Sstevel@tonic-gate } 47687c478bd9Sstevel@tonic-gate 47697c478bd9Sstevel@tonic-gate cmp_str = s_strdup(path); 47707c478bd9Sstevel@tonic-gate 47717c478bd9Sstevel@tonic-gate if (match == MATCH_ALL) { 47727c478bd9Sstevel@tonic-gate return (cmp_str); 47737c478bd9Sstevel@tonic-gate } 47747c478bd9Sstevel@tonic-gate 47757c478bd9Sstevel@tonic-gate /* 47767c478bd9Sstevel@tonic-gate * The remaining flags make sense only for /devices 47777c478bd9Sstevel@tonic-gate * paths 47787c478bd9Sstevel@tonic-gate */ 47797c478bd9Sstevel@tonic-gate if ((mp = strrchr(cmp_str, ':')) == NULL) { 47807c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 47817c478bd9Sstevel@tonic-gate fcn, path); 47827c478bd9Sstevel@tonic-gate goto err; 47837c478bd9Sstevel@tonic-gate } 47847c478bd9Sstevel@tonic-gate 47857c478bd9Sstevel@tonic-gate if (match == MATCH_MINOR) { 47867c478bd9Sstevel@tonic-gate /* A NULL "match_arg" values implies entire minor */ 47877c478bd9Sstevel@tonic-gate if (get_component(mp + 1, dep->match_arg) == NULL) { 47887c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid minor component:" 47897c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 47907c478bd9Sstevel@tonic-gate goto err; 47917c478bd9Sstevel@tonic-gate } 47927c478bd9Sstevel@tonic-gate return (cmp_str); 47937c478bd9Sstevel@tonic-gate } 47947c478bd9Sstevel@tonic-gate 47957c478bd9Sstevel@tonic-gate if ((np = strrchr(cmp_str, '/')) == NULL) { 47967c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", fcn, path); 47977c478bd9Sstevel@tonic-gate goto err; 47987c478bd9Sstevel@tonic-gate } 47997c478bd9Sstevel@tonic-gate 48007c478bd9Sstevel@tonic-gate if (match == MATCH_PARENT) { 48017c478bd9Sstevel@tonic-gate if (strcmp(cmp_str, "/") == 0) { 48027c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 48037c478bd9Sstevel@tonic-gate fcn, path); 48047c478bd9Sstevel@tonic-gate goto err; 48057c478bd9Sstevel@tonic-gate } 48067c478bd9Sstevel@tonic-gate 48077c478bd9Sstevel@tonic-gate if (np == cmp_str) { 48087c478bd9Sstevel@tonic-gate *(np + 1) = '\0'; 48097c478bd9Sstevel@tonic-gate } else { 48107c478bd9Sstevel@tonic-gate *np = '\0'; 48117c478bd9Sstevel@tonic-gate } 48127c478bd9Sstevel@tonic-gate return (cmp_str); 48137c478bd9Sstevel@tonic-gate } 48147c478bd9Sstevel@tonic-gate 48157c478bd9Sstevel@tonic-gate /* ap can be NULL - Leaf address may not exist or be empty string */ 48167c478bd9Sstevel@tonic-gate ap = strchr(np+1, '@'); 48177c478bd9Sstevel@tonic-gate 48187c478bd9Sstevel@tonic-gate /* minor is no longer of interest */ 48197c478bd9Sstevel@tonic-gate *mp = '\0'; 48207c478bd9Sstevel@tonic-gate 48217c478bd9Sstevel@tonic-gate if (match == MATCH_NODE) { 48227c478bd9Sstevel@tonic-gate if (ap) 48237c478bd9Sstevel@tonic-gate *ap = '\0'; 48247c478bd9Sstevel@tonic-gate return (cmp_str); 48257c478bd9Sstevel@tonic-gate } else if (match == MATCH_ADDR) { 48267c478bd9Sstevel@tonic-gate /* 48277c478bd9Sstevel@tonic-gate * The empty string is a valid address. The only MATCH_ADDR 48287c478bd9Sstevel@tonic-gate * allowed in this case is against the whole address or 48297c478bd9Sstevel@tonic-gate * the first component of the address (match_arg=NULL/"0"/"1") 48307c478bd9Sstevel@tonic-gate * Note that in this case, the path won't have an "@" 48317c478bd9Sstevel@tonic-gate * As a result ap will be NULL. We fake up an ap = @'\0' 48327c478bd9Sstevel@tonic-gate * so that get_component() will work correctly. 48337c478bd9Sstevel@tonic-gate */ 48347c478bd9Sstevel@tonic-gate if (ap == NULL) { 48357c478bd9Sstevel@tonic-gate ap = at; 48367c478bd9Sstevel@tonic-gate } 48377c478bd9Sstevel@tonic-gate 48387c478bd9Sstevel@tonic-gate if (get_component(ap + 1, dep->match_arg) == NULL) { 48397c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid leaf addr. component:" 48407c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 48417c478bd9Sstevel@tonic-gate goto err; 48427c478bd9Sstevel@tonic-gate } 48437c478bd9Sstevel@tonic-gate return (cmp_str); 48447c478bd9Sstevel@tonic-gate } 48457c478bd9Sstevel@tonic-gate 48467c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: 0x%x" 48477c478bd9Sstevel@tonic-gate " path: %s\n", fcn, dep->flags, path); 48487c478bd9Sstevel@tonic-gate 48497c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 48507c478bd9Sstevel@tonic-gate err: 48517c478bd9Sstevel@tonic-gate free(cmp_str); 48527c478bd9Sstevel@tonic-gate return (NULL); 48537c478bd9Sstevel@tonic-gate } 48547c478bd9Sstevel@tonic-gate 48557c478bd9Sstevel@tonic-gate 48567c478bd9Sstevel@tonic-gate /* 48577c478bd9Sstevel@tonic-gate * "str" is expected to be a string with components separated by ',' 48587c478bd9Sstevel@tonic-gate * The terminating null char is considered a separator. 48597c478bd9Sstevel@tonic-gate * get_component() will remove the portion of the string beyond 48607c478bd9Sstevel@tonic-gate * the component indicated. 48617c478bd9Sstevel@tonic-gate * If comp_str is NULL, the entire "str" is returned. 48627c478bd9Sstevel@tonic-gate */ 48637c478bd9Sstevel@tonic-gate static char * 48647c478bd9Sstevel@tonic-gate get_component(char *str, const char *comp_str) 48657c478bd9Sstevel@tonic-gate { 48667c478bd9Sstevel@tonic-gate long comp; 48677c478bd9Sstevel@tonic-gate char *cp; 48687c478bd9Sstevel@tonic-gate 48697c478bd9Sstevel@tonic-gate if (str == NULL) { 48707c478bd9Sstevel@tonic-gate return (NULL); 48717c478bd9Sstevel@tonic-gate } 48727c478bd9Sstevel@tonic-gate 48737c478bd9Sstevel@tonic-gate if (comp_str == NULL) { 48747c478bd9Sstevel@tonic-gate return (str); 48757c478bd9Sstevel@tonic-gate } 48767c478bd9Sstevel@tonic-gate 48777c478bd9Sstevel@tonic-gate errno = 0; 48787c478bd9Sstevel@tonic-gate comp = strtol(comp_str, &cp, 10); 48797c478bd9Sstevel@tonic-gate if (errno != 0 || *cp != '\0' || comp < 0) { 48807c478bd9Sstevel@tonic-gate return (NULL); 48817c478bd9Sstevel@tonic-gate } 48827c478bd9Sstevel@tonic-gate 48837c478bd9Sstevel@tonic-gate if (comp == 0) 48847c478bd9Sstevel@tonic-gate return (str); 48857c478bd9Sstevel@tonic-gate 48867c478bd9Sstevel@tonic-gate for (cp = str; ; cp++) { 48877c478bd9Sstevel@tonic-gate if (*cp == ',' || *cp == '\0') 48887c478bd9Sstevel@tonic-gate comp--; 48897c478bd9Sstevel@tonic-gate if (*cp == '\0' || comp <= 0) { 48907c478bd9Sstevel@tonic-gate break; 48917c478bd9Sstevel@tonic-gate } 48927c478bd9Sstevel@tonic-gate } 48937c478bd9Sstevel@tonic-gate 48947c478bd9Sstevel@tonic-gate if (comp == 0) { 48957c478bd9Sstevel@tonic-gate *cp = '\0'; 48967c478bd9Sstevel@tonic-gate } else { 48977c478bd9Sstevel@tonic-gate str = NULL; 48987c478bd9Sstevel@tonic-gate } 48997c478bd9Sstevel@tonic-gate 49007c478bd9Sstevel@tonic-gate return (str); 49017c478bd9Sstevel@tonic-gate } 49027c478bd9Sstevel@tonic-gate 49037c478bd9Sstevel@tonic-gate 49047c478bd9Sstevel@tonic-gate /* 49057c478bd9Sstevel@tonic-gate * Enumerate serves as a generic counter as well as a means to determine 49067c478bd9Sstevel@tonic-gate * logical unit/controller numbers for such items as disk and tape 49077c478bd9Sstevel@tonic-gate * drives. 49087c478bd9Sstevel@tonic-gate * 49097c478bd9Sstevel@tonic-gate * rules[] is an array of devfsadm_enumerate_t structures which defines 49107c478bd9Sstevel@tonic-gate * the enumeration rules to be used for a specified set of links in /dev. 49117c478bd9Sstevel@tonic-gate * The set of links is specified through regular expressions (of the flavor 49127c478bd9Sstevel@tonic-gate * described in regex(5)). These regular expressions are used to determine 49137c478bd9Sstevel@tonic-gate * the set of links in /dev to examine. The last path component in these 49147c478bd9Sstevel@tonic-gate * regular expressions MUST contain a parenthesized subexpression surrounding 49157c478bd9Sstevel@tonic-gate * the RE which is to be considered the enumerating component. The subexp 49167c478bd9Sstevel@tonic-gate * member in a rule is the subexpression number of the enumerating 49177c478bd9Sstevel@tonic-gate * component. Subexpressions in the last path component are numbered starting 49187c478bd9Sstevel@tonic-gate * from 1. 49197c478bd9Sstevel@tonic-gate * 49207c478bd9Sstevel@tonic-gate * A cache of current id assignments is built up from existing symlinks and 49217c478bd9Sstevel@tonic-gate * new assignments use the lowest unused id. Assignments are based on a 49227c478bd9Sstevel@tonic-gate * match of a specified substring of a symlink's contents. If the specified 49237c478bd9Sstevel@tonic-gate * component for the devfs_path argument matches the corresponding substring 49247c478bd9Sstevel@tonic-gate * for a existing symlink's contents, the cached id is returned. Else, a new 49257c478bd9Sstevel@tonic-gate * id is created and returned in *buf. *buf must be freed by the caller. 49267c478bd9Sstevel@tonic-gate * 49277c478bd9Sstevel@tonic-gate * An id assignment may be governed by a combination of rules, each rule 49287c478bd9Sstevel@tonic-gate * applicable to a different subset of links in /dev. For example, controller 49297c478bd9Sstevel@tonic-gate * numbers may be determined by a combination of disk symlinks in /dev/[r]dsk 49307c478bd9Sstevel@tonic-gate * and controller symlinks in /dev/cfg, with the two sets requiring different 49317c478bd9Sstevel@tonic-gate * rules to derive the "substring of interest". In such cases, the rules 49327c478bd9Sstevel@tonic-gate * array will have more than one element. 49337c478bd9Sstevel@tonic-gate */ 49347c478bd9Sstevel@tonic-gate int 49357c478bd9Sstevel@tonic-gate devfsadm_enumerate_int(char *devfs_path, int index, char **buf, 49367c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 49377c478bd9Sstevel@tonic-gate { 49387c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 49397c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 0)); 49407c478bd9Sstevel@tonic-gate } 49417c478bd9Sstevel@tonic-gate 49427c478bd9Sstevel@tonic-gate int 49437c478bd9Sstevel@tonic-gate disk_enumerate_int(char *devfs_path, int index, char **buf, 49447c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 49457c478bd9Sstevel@tonic-gate { 49467c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 49477c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 1)); 49487c478bd9Sstevel@tonic-gate } 49497c478bd9Sstevel@tonic-gate 49507c478bd9Sstevel@tonic-gate /* 49517c478bd9Sstevel@tonic-gate * Same as above, but allows a starting value to be specified. 49527c478bd9Sstevel@tonic-gate * Private to devfsadm.... used by devlinks. 49537c478bd9Sstevel@tonic-gate */ 49547c478bd9Sstevel@tonic-gate static int 49557c478bd9Sstevel@tonic-gate devfsadm_enumerate_int_start(char *devfs_path, int index, char **buf, 49567c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 49577c478bd9Sstevel@tonic-gate { 49587c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 49597c478bd9Sstevel@tonic-gate devfs_path, index, start, INTEGER, buf, 0)); 49607c478bd9Sstevel@tonic-gate } 49617c478bd9Sstevel@tonic-gate 49627c478bd9Sstevel@tonic-gate /* 49637c478bd9Sstevel@tonic-gate * devfsadm_enumerate_char serves as a generic counter returning 49647c478bd9Sstevel@tonic-gate * a single letter. 49657c478bd9Sstevel@tonic-gate */ 49667c478bd9Sstevel@tonic-gate int 49677c478bd9Sstevel@tonic-gate devfsadm_enumerate_char(char *devfs_path, int index, char **buf, 49687c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 49697c478bd9Sstevel@tonic-gate { 49707c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 49717c478bd9Sstevel@tonic-gate devfs_path, index, "a", LETTER, buf, 0)); 49727c478bd9Sstevel@tonic-gate } 49737c478bd9Sstevel@tonic-gate 49747c478bd9Sstevel@tonic-gate /* 49757c478bd9Sstevel@tonic-gate * Same as above, but allows a starting char to be specified. 49767c478bd9Sstevel@tonic-gate * Private to devfsadm - used by ports module (port_link.c) 49777c478bd9Sstevel@tonic-gate */ 49787c478bd9Sstevel@tonic-gate int 49797c478bd9Sstevel@tonic-gate devfsadm_enumerate_char_start(char *devfs_path, int index, char **buf, 49807c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 49817c478bd9Sstevel@tonic-gate { 49827c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 49837c478bd9Sstevel@tonic-gate devfs_path, index, start, LETTER, buf, 0)); 49847c478bd9Sstevel@tonic-gate } 49857c478bd9Sstevel@tonic-gate 49867c478bd9Sstevel@tonic-gate 49877c478bd9Sstevel@tonic-gate /* 49887c478bd9Sstevel@tonic-gate * For a given numeral_set (see get_cached_set for desc of numeral_set), 49897c478bd9Sstevel@tonic-gate * search all cached entries looking for matches on a specified substring 49907c478bd9Sstevel@tonic-gate * of devfs_path. The substring is derived from devfs_path based on the 49917c478bd9Sstevel@tonic-gate * rule specified by "index". If a match is found on a cached entry, 49927c478bd9Sstevel@tonic-gate * return the enumerated id in buf. Otherwise, create a new id by calling 49937c478bd9Sstevel@tonic-gate * new_id, then cache and return that entry. 49947c478bd9Sstevel@tonic-gate */ 49957c478bd9Sstevel@tonic-gate static int 49967c478bd9Sstevel@tonic-gate find_enum_id(devfsadm_enumerate_t rules[], int nrules, 49977c478bd9Sstevel@tonic-gate char *devfs_path, int index, char *min, int type, char **buf, 49987c478bd9Sstevel@tonic-gate int multiple) 49997c478bd9Sstevel@tonic-gate { 50007c478bd9Sstevel@tonic-gate numeral_t *matchnp; 50017c478bd9Sstevel@tonic-gate numeral_t *numeral; 50027c478bd9Sstevel@tonic-gate int matchcount = 0; 50037c478bd9Sstevel@tonic-gate char *cmp_str; 50047c478bd9Sstevel@tonic-gate char *fcn = "find_enum_id"; 50057c478bd9Sstevel@tonic-gate numeral_set_t *set; 50067c478bd9Sstevel@tonic-gate 50077c478bd9Sstevel@tonic-gate if (rules == NULL) { 50087c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: no rules. path: %s\n", 50097c478bd9Sstevel@tonic-gate fcn, devfs_path ? devfs_path : "<NULL path>"); 50107c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50117c478bd9Sstevel@tonic-gate } 50127c478bd9Sstevel@tonic-gate 50137c478bd9Sstevel@tonic-gate if (devfs_path == NULL) { 50147c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: NULL path\n", fcn); 50157c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50167c478bd9Sstevel@tonic-gate } 50177c478bd9Sstevel@tonic-gate 50187c478bd9Sstevel@tonic-gate if (nrules <= 0 || index < 0 || index >= nrules || buf == NULL) { 50197c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid arguments. path: %s\n", 50207c478bd9Sstevel@tonic-gate fcn, devfs_path); 50217c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50227c478bd9Sstevel@tonic-gate } 50237c478bd9Sstevel@tonic-gate 50247c478bd9Sstevel@tonic-gate *buf = NULL; 50257c478bd9Sstevel@tonic-gate 50267c478bd9Sstevel@tonic-gate 50277c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(devfs_path, &rules[index]); 50287c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 50297c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50307c478bd9Sstevel@tonic-gate } 50317c478bd9Sstevel@tonic-gate 50327c478bd9Sstevel@tonic-gate if ((set = get_enum_cache(rules, nrules)) == NULL) { 50337c478bd9Sstevel@tonic-gate free(cmp_str); 50347c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50357c478bd9Sstevel@tonic-gate } 50367c478bd9Sstevel@tonic-gate 50377c478bd9Sstevel@tonic-gate assert(nrules == set->re_count); 50387c478bd9Sstevel@tonic-gate 50397c478bd9Sstevel@tonic-gate /* 50407c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 50417c478bd9Sstevel@tonic-gate */ 50427c478bd9Sstevel@tonic-gate matchcount = lookup_enum_cache(set, cmp_str, rules, index, 50437c478bd9Sstevel@tonic-gate &matchnp); 50447c478bd9Sstevel@tonic-gate 50457c478bd9Sstevel@tonic-gate if (matchcount < 0 || matchcount > 1) { 50467c478bd9Sstevel@tonic-gate free(cmp_str); 50477c478bd9Sstevel@tonic-gate if (multiple && matchcount > 1) 50487c478bd9Sstevel@tonic-gate return (DEVFSADM_MULTIPLE); 50497c478bd9Sstevel@tonic-gate else 50507c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50517c478bd9Sstevel@tonic-gate } 50527c478bd9Sstevel@tonic-gate 50537c478bd9Sstevel@tonic-gate /* if matching entry already cached, return it */ 50547c478bd9Sstevel@tonic-gate if (matchcount == 1) { 50557c478bd9Sstevel@tonic-gate *buf = s_strdup(matchnp->id); 50567c478bd9Sstevel@tonic-gate free(cmp_str); 50577c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 50587c478bd9Sstevel@tonic-gate } 50597c478bd9Sstevel@tonic-gate 50607c478bd9Sstevel@tonic-gate /* 50617c478bd9Sstevel@tonic-gate * no cached entry, initialize a numeral struct 50627c478bd9Sstevel@tonic-gate * by calling new_id() and cache onto the numeral_set 50637c478bd9Sstevel@tonic-gate */ 50647c478bd9Sstevel@tonic-gate numeral = s_malloc(sizeof (numeral_t)); 50657c478bd9Sstevel@tonic-gate numeral->id = new_id(set->headnumeral, type, min); 50667c478bd9Sstevel@tonic-gate numeral->full_path = s_strdup(devfs_path); 50677c478bd9Sstevel@tonic-gate numeral->rule_index = index; 50687c478bd9Sstevel@tonic-gate numeral->cmp_str = cmp_str; 50697c478bd9Sstevel@tonic-gate cmp_str = NULL; 50707c478bd9Sstevel@tonic-gate 50717c478bd9Sstevel@tonic-gate /* insert to head of list for fast lookups */ 50727c478bd9Sstevel@tonic-gate numeral->next = set->headnumeral; 50737c478bd9Sstevel@tonic-gate set->headnumeral = numeral; 50747c478bd9Sstevel@tonic-gate 50757c478bd9Sstevel@tonic-gate *buf = s_strdup(numeral->id); 50767c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 50777c478bd9Sstevel@tonic-gate } 50787c478bd9Sstevel@tonic-gate 50797c478bd9Sstevel@tonic-gate 50807c478bd9Sstevel@tonic-gate /* 50817c478bd9Sstevel@tonic-gate * Looks up the specified cache for a match with a specified string 50827c478bd9Sstevel@tonic-gate * Returns: 50837c478bd9Sstevel@tonic-gate * -1 : on error. 50847c478bd9Sstevel@tonic-gate * 0/1/2 : Number of matches. 50857c478bd9Sstevel@tonic-gate * Returns the matching element only if there is a single match. 50867c478bd9Sstevel@tonic-gate * If the "uncached" flag is set, derives the "cmp_str" afresh 50877c478bd9Sstevel@tonic-gate * for the match instead of using cached values. 50887c478bd9Sstevel@tonic-gate */ 50897c478bd9Sstevel@tonic-gate static int 50907c478bd9Sstevel@tonic-gate lookup_enum_cache(numeral_set_t *set, char *cmp_str, 50917c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index, numeral_t **matchnpp) 50927c478bd9Sstevel@tonic-gate { 50937c478bd9Sstevel@tonic-gate int matchcount = 0, rv = -1; 50947c478bd9Sstevel@tonic-gate int uncached; 50957c478bd9Sstevel@tonic-gate numeral_t *np; 50967c478bd9Sstevel@tonic-gate char *fcn = "lookup_enum_cache"; 50977c478bd9Sstevel@tonic-gate char *cp; 50987c478bd9Sstevel@tonic-gate 50997c478bd9Sstevel@tonic-gate *matchnpp = NULL; 51007c478bd9Sstevel@tonic-gate 51017c478bd9Sstevel@tonic-gate assert(index < set->re_count); 51027c478bd9Sstevel@tonic-gate 51037c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 51047c478bd9Sstevel@tonic-gate return (-1); 51057c478bd9Sstevel@tonic-gate } 51067c478bd9Sstevel@tonic-gate 51077c478bd9Sstevel@tonic-gate uncached = 0; 51087c478bd9Sstevel@tonic-gate if ((rules[index].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 51097c478bd9Sstevel@tonic-gate uncached = 1; 51107c478bd9Sstevel@tonic-gate } 51117c478bd9Sstevel@tonic-gate 51127c478bd9Sstevel@tonic-gate /* 51137c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 51147c478bd9Sstevel@tonic-gate */ 51157c478bd9Sstevel@tonic-gate for (np = set->headnumeral; np != NULL; np = np->next) { 51167c478bd9Sstevel@tonic-gate if (np->cmp_str == NULL) { 51177c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid entry in enumerate" 51187c478bd9Sstevel@tonic-gate " cache. path: %s\n", fcn, np->full_path); 51197c478bd9Sstevel@tonic-gate return (-1); 51207c478bd9Sstevel@tonic-gate } 51217c478bd9Sstevel@tonic-gate 51227c478bd9Sstevel@tonic-gate if (uncached) { 51237c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: bypassing enumerate cache." 51247c478bd9Sstevel@tonic-gate " path: %s\n", fcn, cmp_str); 51257c478bd9Sstevel@tonic-gate cp = alloc_cmp_str(np->full_path, 51267c478bd9Sstevel@tonic-gate &rules[np->rule_index]); 51277c478bd9Sstevel@tonic-gate if (cp == NULL) 51287c478bd9Sstevel@tonic-gate return (-1); 51297c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, cp); 51307c478bd9Sstevel@tonic-gate free(cp); 51317c478bd9Sstevel@tonic-gate } else { 51327c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, np->cmp_str); 51337c478bd9Sstevel@tonic-gate } 51347c478bd9Sstevel@tonic-gate 51357c478bd9Sstevel@tonic-gate if (rv == 0) { 51367c478bd9Sstevel@tonic-gate if (matchcount++ != 0) { 51377c478bd9Sstevel@tonic-gate break; /* more than 1 match. */ 51387c478bd9Sstevel@tonic-gate } 51397c478bd9Sstevel@tonic-gate *matchnpp = np; 51407c478bd9Sstevel@tonic-gate } 51417c478bd9Sstevel@tonic-gate } 51427c478bd9Sstevel@tonic-gate 51437c478bd9Sstevel@tonic-gate return (matchcount); 51447c478bd9Sstevel@tonic-gate } 51457c478bd9Sstevel@tonic-gate 51467c478bd9Sstevel@tonic-gate #ifdef DEBUG 51477c478bd9Sstevel@tonic-gate static void 51487c478bd9Sstevel@tonic-gate dump_enum_cache(numeral_set_t *setp) 51497c478bd9Sstevel@tonic-gate { 51507c478bd9Sstevel@tonic-gate int i; 51517c478bd9Sstevel@tonic-gate numeral_t *np; 51527c478bd9Sstevel@tonic-gate char *fcn = "dump_enum_cache"; 51537c478bd9Sstevel@tonic-gate 51547c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re_count = %d\n", fcn, setp->re_count); 51557c478bd9Sstevel@tonic-gate for (i = 0; i < setp->re_count; i++) { 51567c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re[%d] = %s\n", fcn, i, setp->re[i]); 51577c478bd9Sstevel@tonic-gate } 51587c478bd9Sstevel@tonic-gate 51597c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 51607c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: id: %s\n", fcn, np->id); 51617c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: full_path: %s\n", fcn, np->full_path); 51627c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: rule_index: %d\n", fcn, np->rule_index); 51637c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: cmp_str: %s\n", fcn, np->cmp_str); 51647c478bd9Sstevel@tonic-gate } 51657c478bd9Sstevel@tonic-gate } 51667c478bd9Sstevel@tonic-gate #endif 51677c478bd9Sstevel@tonic-gate 51687c478bd9Sstevel@tonic-gate /* 51697c478bd9Sstevel@tonic-gate * For a given set of regular expressions in rules[], this function returns 51707c478bd9Sstevel@tonic-gate * either a previously cached struct numeral_set or it will create and 51717c478bd9Sstevel@tonic-gate * cache a new struct numeral_set. There is only one struct numeral_set 51727c478bd9Sstevel@tonic-gate * for the combination of REs present in rules[]. Each numeral_set contains 51737c478bd9Sstevel@tonic-gate * the regular expressions in rules[] used for cache selection AND a linked 51747c478bd9Sstevel@tonic-gate * list of struct numerals, ONE FOR EACH *UNIQUE* numeral or character ID 51757c478bd9Sstevel@tonic-gate * selected by the grouping parenthesized subexpression found in the last 51767c478bd9Sstevel@tonic-gate * path component of each rules[].re. For example, the RE: "rmt/([0-9]+)" 51777c478bd9Sstevel@tonic-gate * selects all the logical nodes of the correct form in dev/rmt/. 51787c478bd9Sstevel@tonic-gate * Each rmt/X will store a *single* struct numeral... ie 0, 1, 2 each get a 51797c478bd9Sstevel@tonic-gate * single struct numeral. There is no need to store more than a single logical 51807c478bd9Sstevel@tonic-gate * node matching X since the information desired in the devfspath would be 51817c478bd9Sstevel@tonic-gate * identical for the portion of the devfspath of interest. (the part up to, 51827c478bd9Sstevel@tonic-gate * but not including the minor name in this example.) 51837c478bd9Sstevel@tonic-gate * 51847c478bd9Sstevel@tonic-gate * If the given numeral_set is not yet cached, call enumerate_recurse to 51857c478bd9Sstevel@tonic-gate * create it. 51867c478bd9Sstevel@tonic-gate */ 51877c478bd9Sstevel@tonic-gate static numeral_set_t * 51887c478bd9Sstevel@tonic-gate get_enum_cache(devfsadm_enumerate_t rules[], int nrules) 51897c478bd9Sstevel@tonic-gate { 51907c478bd9Sstevel@tonic-gate /* linked list of numeral sets */ 51917c478bd9Sstevel@tonic-gate numeral_set_t *setp; 51927c478bd9Sstevel@tonic-gate int i; 51937c478bd9Sstevel@tonic-gate char *path_left; 51947c478bd9Sstevel@tonic-gate char *fcn = "get_enum_cache"; 51957c478bd9Sstevel@tonic-gate 51967c478bd9Sstevel@tonic-gate /* 51977c478bd9Sstevel@tonic-gate * See if we've already cached this numeral set. 51987c478bd9Sstevel@tonic-gate */ 51997c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; setp = setp->next) { 52007c478bd9Sstevel@tonic-gate /* 52017c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 52027c478bd9Sstevel@tonic-gate * those in cached set. 52037c478bd9Sstevel@tonic-gate */ 52047c478bd9Sstevel@tonic-gate if (nrules != setp->re_count) { 52057c478bd9Sstevel@tonic-gate continue; 52067c478bd9Sstevel@tonic-gate } 52077c478bd9Sstevel@tonic-gate 52087c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 52097c478bd9Sstevel@tonic-gate if (strcmp(setp->re[i], rules[i].re) != 0) { 52107c478bd9Sstevel@tonic-gate break; 52117c478bd9Sstevel@tonic-gate } 52127c478bd9Sstevel@tonic-gate } 52137c478bd9Sstevel@tonic-gate 52147c478bd9Sstevel@tonic-gate if (i == nrules) { 52157c478bd9Sstevel@tonic-gate return (setp); 52167c478bd9Sstevel@tonic-gate } 52177c478bd9Sstevel@tonic-gate } 52187c478bd9Sstevel@tonic-gate 52197c478bd9Sstevel@tonic-gate /* 52207c478bd9Sstevel@tonic-gate * If the MATCH_UNCACHED flag is set, we should not be here. 52217c478bd9Sstevel@tonic-gate */ 52227c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 52237c478bd9Sstevel@tonic-gate if ((rules[i].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 52247c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: " 52257c478bd9Sstevel@tonic-gate "0x%x\n", fcn, rules[i].flags); 52267c478bd9Sstevel@tonic-gate return (NULL); 52277c478bd9Sstevel@tonic-gate } 52287c478bd9Sstevel@tonic-gate } 52297c478bd9Sstevel@tonic-gate 52307c478bd9Sstevel@tonic-gate /* 52317c478bd9Sstevel@tonic-gate * Since we made it here, we have not yet cached the given set of 52327c478bd9Sstevel@tonic-gate * logical nodes matching the passed re. Create a cached entry 52337c478bd9Sstevel@tonic-gate * struct numeral_set and populate it with a minimal set of 52347c478bd9Sstevel@tonic-gate * logical nodes from /dev. 52357c478bd9Sstevel@tonic-gate */ 52367c478bd9Sstevel@tonic-gate 52377c478bd9Sstevel@tonic-gate setp = s_malloc(sizeof (numeral_set_t)); 52387c478bd9Sstevel@tonic-gate setp->re = s_malloc(sizeof (char *) * nrules); 52397c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 52407c478bd9Sstevel@tonic-gate setp->re[i] = s_strdup(rules[i].re); 52417c478bd9Sstevel@tonic-gate } 52427c478bd9Sstevel@tonic-gate setp->re_count = nrules; 52437c478bd9Sstevel@tonic-gate setp->headnumeral = NULL; 52447c478bd9Sstevel@tonic-gate 52457c478bd9Sstevel@tonic-gate /* put this new cached set on the cached set list */ 52467c478bd9Sstevel@tonic-gate setp->next = head_numeral_set; 52477c478bd9Sstevel@tonic-gate head_numeral_set = setp; 52487c478bd9Sstevel@tonic-gate 52497c478bd9Sstevel@tonic-gate /* 52507c478bd9Sstevel@tonic-gate * For each RE, search disk and cache any matches on the 52517c478bd9Sstevel@tonic-gate * numeral list. We are careful to use global_dev_dir here since 52527c478bd9Sstevel@tonic-gate * for zones, we want to use the global zone's enumeration as the 52537c478bd9Sstevel@tonic-gate * source for enumeration within the zone. Otherwise, for example, 52547c478bd9Sstevel@tonic-gate * controller numbering would be wrong within the zone. 52557c478bd9Sstevel@tonic-gate */ 52567c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 52577c478bd9Sstevel@tonic-gate path_left = s_strdup(setp->re[i]); 52587c478bd9Sstevel@tonic-gate enumerate_recurse(global_dev_dir, path_left, setp, rules, i); 52597c478bd9Sstevel@tonic-gate free(path_left); 52607c478bd9Sstevel@tonic-gate } 52617c478bd9Sstevel@tonic-gate 52627c478bd9Sstevel@tonic-gate #ifdef DEBUG 52637c478bd9Sstevel@tonic-gate dump_enum_cache(setp); 52647c478bd9Sstevel@tonic-gate #endif 52657c478bd9Sstevel@tonic-gate 52667c478bd9Sstevel@tonic-gate return (setp); 52677c478bd9Sstevel@tonic-gate } 52687c478bd9Sstevel@tonic-gate 52697c478bd9Sstevel@tonic-gate 52707c478bd9Sstevel@tonic-gate /* 52717c478bd9Sstevel@tonic-gate * This function stats the pathname namebuf. If this is a directory 52727c478bd9Sstevel@tonic-gate * entry, we recurse down dname/fname until we find the first symbolic 52737c478bd9Sstevel@tonic-gate * link, and then stat and return it. This is valid for the same reason 52747c478bd9Sstevel@tonic-gate * that we only need to read a single pathname for multiple matching 52757c478bd9Sstevel@tonic-gate * logical ID's... ie, all the logical nodes should contain identical 52767c478bd9Sstevel@tonic-gate * physical paths for the parts we are interested. 52777c478bd9Sstevel@tonic-gate */ 52787c478bd9Sstevel@tonic-gate int 52797c478bd9Sstevel@tonic-gate get_stat_info(char *namebuf, struct stat *sb) 52807c478bd9Sstevel@tonic-gate { 52817c478bd9Sstevel@tonic-gate struct dirent *entp; 52827c478bd9Sstevel@tonic-gate DIR *dp; 52837c478bd9Sstevel@tonic-gate char *cp; 52847c478bd9Sstevel@tonic-gate 52857c478bd9Sstevel@tonic-gate if (lstat(namebuf, sb) < 0) { 52867c478bd9Sstevel@tonic-gate (void) err_print(LSTAT_FAILED, namebuf, strerror(errno)); 52877c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 52887c478bd9Sstevel@tonic-gate } 52897c478bd9Sstevel@tonic-gate 52907c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFLNK) { 52917c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 52927c478bd9Sstevel@tonic-gate } 52937c478bd9Sstevel@tonic-gate 52947c478bd9Sstevel@tonic-gate /* 52957c478bd9Sstevel@tonic-gate * If it is a dir, recurse down until we find a link and 52967c478bd9Sstevel@tonic-gate * then use the link. 52977c478bd9Sstevel@tonic-gate */ 52987c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFDIR) { 52997c478bd9Sstevel@tonic-gate 53007c478bd9Sstevel@tonic-gate if ((dp = opendir(namebuf)) == NULL) { 53017c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 53027c478bd9Sstevel@tonic-gate } 53037c478bd9Sstevel@tonic-gate 53047c478bd9Sstevel@tonic-gate /* 53057c478bd9Sstevel@tonic-gate * Search each dir entry looking for a symlink. Return 53067c478bd9Sstevel@tonic-gate * the first symlink found in namebuf. Recurse dirs. 53077c478bd9Sstevel@tonic-gate */ 53084bc0a2efScasper while ((entp = readdir(dp)) != NULL) { 53097c478bd9Sstevel@tonic-gate if (strcmp(entp->d_name, ".") == 0 || 53107c478bd9Sstevel@tonic-gate strcmp(entp->d_name, "..") == 0) { 53117c478bd9Sstevel@tonic-gate continue; 53127c478bd9Sstevel@tonic-gate } 53137c478bd9Sstevel@tonic-gate 53147c478bd9Sstevel@tonic-gate cp = namebuf + strlen(namebuf); 53157c478bd9Sstevel@tonic-gate (void) strcat(namebuf, "/"); 53167c478bd9Sstevel@tonic-gate (void) strcat(namebuf, entp->d_name); 53177c478bd9Sstevel@tonic-gate if (get_stat_info(namebuf, sb) == DEVFSADM_SUCCESS) { 53187c478bd9Sstevel@tonic-gate s_closedir(dp); 53197c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 53207c478bd9Sstevel@tonic-gate } 53217c478bd9Sstevel@tonic-gate *cp = '\0'; 53227c478bd9Sstevel@tonic-gate } 53237c478bd9Sstevel@tonic-gate s_closedir(dp); 53247c478bd9Sstevel@tonic-gate } 53257c478bd9Sstevel@tonic-gate 53267c478bd9Sstevel@tonic-gate /* no symlink found, so return error */ 53277c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 53287c478bd9Sstevel@tonic-gate } 53297c478bd9Sstevel@tonic-gate 53307c478bd9Sstevel@tonic-gate /* 53317c478bd9Sstevel@tonic-gate * An existing matching ID was not found, so this function is called to 53327c478bd9Sstevel@tonic-gate * create the next lowest ID. In the INTEGER case, return the next 53337c478bd9Sstevel@tonic-gate * lowest unused integer. In the case of LETTER, return the next lowest 53347c478bd9Sstevel@tonic-gate * unused letter. Return empty string if all 26 are used. 53357c478bd9Sstevel@tonic-gate * Only IDs >= min will be returned. 53367c478bd9Sstevel@tonic-gate */ 53377c478bd9Sstevel@tonic-gate char * 53387c478bd9Sstevel@tonic-gate new_id(numeral_t *numeral, int type, char *min) 53397c478bd9Sstevel@tonic-gate { 53407c478bd9Sstevel@tonic-gate int imin; 53417c478bd9Sstevel@tonic-gate temp_t *temp; 53427c478bd9Sstevel@tonic-gate temp_t *ptr; 53437c478bd9Sstevel@tonic-gate temp_t **previous; 53447c478bd9Sstevel@tonic-gate temp_t *head = NULL; 53457c478bd9Sstevel@tonic-gate char *retval; 53467c478bd9Sstevel@tonic-gate static char tempbuff[8]; 53477c478bd9Sstevel@tonic-gate numeral_t *np; 53487c478bd9Sstevel@tonic-gate 53497c478bd9Sstevel@tonic-gate if (type == LETTER) { 53507c478bd9Sstevel@tonic-gate 53517c478bd9Sstevel@tonic-gate char letter[26], i; 53527c478bd9Sstevel@tonic-gate 53537c478bd9Sstevel@tonic-gate if (numeral == NULL) { 53547c478bd9Sstevel@tonic-gate return (s_strdup(min)); 53557c478bd9Sstevel@tonic-gate } 53567c478bd9Sstevel@tonic-gate 53577c478bd9Sstevel@tonic-gate for (i = 0; i < 26; i++) { 53587c478bd9Sstevel@tonic-gate letter[i] = 0; 53597c478bd9Sstevel@tonic-gate } 53607c478bd9Sstevel@tonic-gate 53617c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 53627c478bd9Sstevel@tonic-gate letter[*np->id - 'a']++; 53637c478bd9Sstevel@tonic-gate } 53647c478bd9Sstevel@tonic-gate 53657c478bd9Sstevel@tonic-gate imin = *min - 'a'; 53667c478bd9Sstevel@tonic-gate 53677c478bd9Sstevel@tonic-gate for (i = imin; i < 26; i++) { 53687c478bd9Sstevel@tonic-gate if (letter[i] == 0) { 53697c478bd9Sstevel@tonic-gate retval = s_malloc(2); 53707c478bd9Sstevel@tonic-gate retval[0] = 'a' + i; 53717c478bd9Sstevel@tonic-gate retval[1] = '\0'; 53727c478bd9Sstevel@tonic-gate return (retval); 53737c478bd9Sstevel@tonic-gate } 53747c478bd9Sstevel@tonic-gate } 53757c478bd9Sstevel@tonic-gate 53767c478bd9Sstevel@tonic-gate return (s_strdup("")); 53777c478bd9Sstevel@tonic-gate } 53787c478bd9Sstevel@tonic-gate 53797c478bd9Sstevel@tonic-gate if (type == INTEGER) { 53807c478bd9Sstevel@tonic-gate 53817c478bd9Sstevel@tonic-gate if (numeral == NULL) { 53827c478bd9Sstevel@tonic-gate return (s_strdup(min)); 53837c478bd9Sstevel@tonic-gate } 53847c478bd9Sstevel@tonic-gate 53857c478bd9Sstevel@tonic-gate imin = atoi(min); 53867c478bd9Sstevel@tonic-gate 53877c478bd9Sstevel@tonic-gate /* sort list */ 53887c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 53897c478bd9Sstevel@tonic-gate temp = s_malloc(sizeof (temp_t)); 53907c478bd9Sstevel@tonic-gate temp->integer = atoi(np->id); 53917c478bd9Sstevel@tonic-gate temp->next = NULL; 53927c478bd9Sstevel@tonic-gate 53937c478bd9Sstevel@tonic-gate previous = &head; 53947c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 53957c478bd9Sstevel@tonic-gate if (temp->integer < ptr->integer) { 53967c478bd9Sstevel@tonic-gate temp->next = ptr; 53977c478bd9Sstevel@tonic-gate *previous = temp; 53987c478bd9Sstevel@tonic-gate break; 53997c478bd9Sstevel@tonic-gate } 54007c478bd9Sstevel@tonic-gate previous = &(ptr->next); 54017c478bd9Sstevel@tonic-gate } 54027c478bd9Sstevel@tonic-gate if (ptr == NULL) { 54037c478bd9Sstevel@tonic-gate *previous = temp; 54047c478bd9Sstevel@tonic-gate } 54057c478bd9Sstevel@tonic-gate } 54067c478bd9Sstevel@tonic-gate 54077c478bd9Sstevel@tonic-gate /* now search sorted list for first hole >= imin */ 54087c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 54097c478bd9Sstevel@tonic-gate if (imin == ptr->integer) { 54107c478bd9Sstevel@tonic-gate imin++; 54117c478bd9Sstevel@tonic-gate } else { 54127c478bd9Sstevel@tonic-gate if (imin < ptr->integer) { 54137c478bd9Sstevel@tonic-gate break; 54147c478bd9Sstevel@tonic-gate } 54157c478bd9Sstevel@tonic-gate } 54167c478bd9Sstevel@tonic-gate 54177c478bd9Sstevel@tonic-gate } 54187c478bd9Sstevel@tonic-gate 54197c478bd9Sstevel@tonic-gate /* free temp list */ 54207c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ) { 54217c478bd9Sstevel@tonic-gate temp = ptr; 54227c478bd9Sstevel@tonic-gate ptr = ptr->next; 54237c478bd9Sstevel@tonic-gate free(temp); 54247c478bd9Sstevel@tonic-gate } 54257c478bd9Sstevel@tonic-gate 54267c478bd9Sstevel@tonic-gate (void) sprintf(tempbuff, "%d", imin); 54277c478bd9Sstevel@tonic-gate return (s_strdup(tempbuff)); 54287c478bd9Sstevel@tonic-gate } 54297c478bd9Sstevel@tonic-gate 54307c478bd9Sstevel@tonic-gate return (s_strdup("")); 54317c478bd9Sstevel@tonic-gate } 54327c478bd9Sstevel@tonic-gate 54337c478bd9Sstevel@tonic-gate /* 54347c478bd9Sstevel@tonic-gate * Search current_dir for all files which match the first path component 54357c478bd9Sstevel@tonic-gate * of path_left, which is an RE. If a match is found, but there are more 54367c478bd9Sstevel@tonic-gate * components of path_left, then recurse, otherwise, if we have reached 54377c478bd9Sstevel@tonic-gate * the last component of path_left, call create_cached_numerals for each 54387c478bd9Sstevel@tonic-gate * file. At some point, recurse_dev_re() should be rewritten so that this 54397c478bd9Sstevel@tonic-gate * function can be eliminated. 54407c478bd9Sstevel@tonic-gate */ 54417c478bd9Sstevel@tonic-gate static void 54427c478bd9Sstevel@tonic-gate enumerate_recurse(char *current_dir, char *path_left, numeral_set_t *setp, 54437c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 54447c478bd9Sstevel@tonic-gate { 54457c478bd9Sstevel@tonic-gate char *slash; 54467c478bd9Sstevel@tonic-gate char *new_path; 54477c478bd9Sstevel@tonic-gate char *numeral_id; 54487c478bd9Sstevel@tonic-gate struct dirent *entp; 54497c478bd9Sstevel@tonic-gate DIR *dp; 54507c478bd9Sstevel@tonic-gate 54517c478bd9Sstevel@tonic-gate if ((dp = opendir(current_dir)) == NULL) { 54527c478bd9Sstevel@tonic-gate return; 54537c478bd9Sstevel@tonic-gate } 54547c478bd9Sstevel@tonic-gate 54557c478bd9Sstevel@tonic-gate /* get rid of any extra '/' */ 54567c478bd9Sstevel@tonic-gate while (*path_left == '/') { 54577c478bd9Sstevel@tonic-gate path_left++; 54587c478bd9Sstevel@tonic-gate } 54597c478bd9Sstevel@tonic-gate 54607c478bd9Sstevel@tonic-gate if (slash = strchr(path_left, '/')) { 54617c478bd9Sstevel@tonic-gate *slash = '\0'; 54627c478bd9Sstevel@tonic-gate } 54637c478bd9Sstevel@tonic-gate 54644bc0a2efScasper while ((entp = readdir(dp)) != NULL) { 54657c478bd9Sstevel@tonic-gate 54667c478bd9Sstevel@tonic-gate if (strcmp(entp->d_name, ".") == 0 || 54677c478bd9Sstevel@tonic-gate strcmp(entp->d_name, "..") == 0) { 54687c478bd9Sstevel@tonic-gate continue; 54697c478bd9Sstevel@tonic-gate } 54707c478bd9Sstevel@tonic-gate 54717c478bd9Sstevel@tonic-gate /* 54727c478bd9Sstevel@tonic-gate * Returns true if path_left matches entp->d_name 54737c478bd9Sstevel@tonic-gate * If it is the last path component, pass subexp 54747c478bd9Sstevel@tonic-gate * so that it will return the corresponding ID in 54757c478bd9Sstevel@tonic-gate * numeral_id. 54767c478bd9Sstevel@tonic-gate */ 54777c478bd9Sstevel@tonic-gate numeral_id = NULL; 54787c478bd9Sstevel@tonic-gate if (match_path_component(path_left, entp->d_name, &numeral_id, 54797c478bd9Sstevel@tonic-gate slash ? 0 : rules[index].subexp)) { 54807c478bd9Sstevel@tonic-gate 54817c478bd9Sstevel@tonic-gate new_path = s_malloc(strlen(current_dir) + 54827c478bd9Sstevel@tonic-gate strlen(entp->d_name) + 2); 54837c478bd9Sstevel@tonic-gate 54847c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 54857c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 54867c478bd9Sstevel@tonic-gate (void) strcat(new_path, entp->d_name); 54877c478bd9Sstevel@tonic-gate 54887c478bd9Sstevel@tonic-gate if (slash != NULL) { 54897c478bd9Sstevel@tonic-gate enumerate_recurse(new_path, slash + 1, 54907c478bd9Sstevel@tonic-gate setp, rules, index); 54917c478bd9Sstevel@tonic-gate } else { 54927c478bd9Sstevel@tonic-gate create_cached_numeral(new_path, setp, 54937c478bd9Sstevel@tonic-gate numeral_id, rules, index); 54947c478bd9Sstevel@tonic-gate if (numeral_id != NULL) { 54957c478bd9Sstevel@tonic-gate free(numeral_id); 54967c478bd9Sstevel@tonic-gate } 54977c478bd9Sstevel@tonic-gate } 54987c478bd9Sstevel@tonic-gate free(new_path); 54997c478bd9Sstevel@tonic-gate } 55007c478bd9Sstevel@tonic-gate } 55017c478bd9Sstevel@tonic-gate 55027c478bd9Sstevel@tonic-gate if (slash != NULL) { 55037c478bd9Sstevel@tonic-gate *slash = '/'; 55047c478bd9Sstevel@tonic-gate } 55057c478bd9Sstevel@tonic-gate s_closedir(dp); 55067c478bd9Sstevel@tonic-gate } 55077c478bd9Sstevel@tonic-gate 55087c478bd9Sstevel@tonic-gate 55097c478bd9Sstevel@tonic-gate /* 55107c478bd9Sstevel@tonic-gate * Returns true if file matches file_re. If subexp is non-zero, it means 55117c478bd9Sstevel@tonic-gate * we are searching the last path component and need to return the 55127c478bd9Sstevel@tonic-gate * parenthesized subexpression subexp in id. 55137c478bd9Sstevel@tonic-gate * 55147c478bd9Sstevel@tonic-gate */ 55157c478bd9Sstevel@tonic-gate static int 55167c478bd9Sstevel@tonic-gate match_path_component(char *file_re, char *file, char **id, int subexp) 55177c478bd9Sstevel@tonic-gate { 55187c478bd9Sstevel@tonic-gate regex_t re1; 55197c478bd9Sstevel@tonic-gate int match = 0; 55207c478bd9Sstevel@tonic-gate int nelements; 55217c478bd9Sstevel@tonic-gate regmatch_t *pmatch; 55227c478bd9Sstevel@tonic-gate 55237c478bd9Sstevel@tonic-gate if (subexp != 0) { 55247c478bd9Sstevel@tonic-gate nelements = subexp + 1; 55257c478bd9Sstevel@tonic-gate pmatch = (regmatch_t *) 55267c478bd9Sstevel@tonic-gate s_malloc(sizeof (regmatch_t) * nelements); 55277c478bd9Sstevel@tonic-gate } else { 55287c478bd9Sstevel@tonic-gate pmatch = NULL; 55297c478bd9Sstevel@tonic-gate nelements = 0; 55307c478bd9Sstevel@tonic-gate } 55317c478bd9Sstevel@tonic-gate 55327c478bd9Sstevel@tonic-gate if (regcomp(&re1, file_re, REG_EXTENDED) != 0) { 55337c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 55347c478bd9Sstevel@tonic-gate free(pmatch); 55357c478bd9Sstevel@tonic-gate } 55367c478bd9Sstevel@tonic-gate return (0); 55377c478bd9Sstevel@tonic-gate } 55387c478bd9Sstevel@tonic-gate 55397c478bd9Sstevel@tonic-gate if (regexec(&re1, file, nelements, pmatch, 0) == 0) { 55407c478bd9Sstevel@tonic-gate match = 1; 55417c478bd9Sstevel@tonic-gate } 55427c478bd9Sstevel@tonic-gate 55437c478bd9Sstevel@tonic-gate if ((match != 0) && (subexp != 0)) { 55447c478bd9Sstevel@tonic-gate int size = pmatch[subexp].rm_eo - pmatch[subexp].rm_so; 55457c478bd9Sstevel@tonic-gate *id = s_malloc(size + 1); 55467c478bd9Sstevel@tonic-gate (void) strncpy(*id, &file[pmatch[subexp].rm_so], size); 55477c478bd9Sstevel@tonic-gate (*id)[size] = '\0'; 55487c478bd9Sstevel@tonic-gate } 55497c478bd9Sstevel@tonic-gate 55507c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 55517c478bd9Sstevel@tonic-gate free(pmatch); 55527c478bd9Sstevel@tonic-gate } 55537c478bd9Sstevel@tonic-gate regfree(&re1); 55547c478bd9Sstevel@tonic-gate return (match); 55557c478bd9Sstevel@tonic-gate } 55567c478bd9Sstevel@tonic-gate 55577c478bd9Sstevel@tonic-gate /* 55587c478bd9Sstevel@tonic-gate * This function is called for every file which matched the leaf 55597c478bd9Sstevel@tonic-gate * component of the RE. If the "numeral_id" is not already on the 55607c478bd9Sstevel@tonic-gate * numeral set's numeral list, add it and its physical path. 55617c478bd9Sstevel@tonic-gate */ 55627c478bd9Sstevel@tonic-gate static void 55637c478bd9Sstevel@tonic-gate create_cached_numeral(char *path, numeral_set_t *setp, char *numeral_id, 55647c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 55657c478bd9Sstevel@tonic-gate { 55667c478bd9Sstevel@tonic-gate char linkbuf[PATH_MAX + 1]; 55677c478bd9Sstevel@tonic-gate char lpath[PATH_MAX + 1]; 55687c478bd9Sstevel@tonic-gate char *linkptr, *cmp_str; 55697c478bd9Sstevel@tonic-gate numeral_t *np; 55707c478bd9Sstevel@tonic-gate int linksize; 55717c478bd9Sstevel@tonic-gate struct stat sb; 55727c478bd9Sstevel@tonic-gate const char *fcn = "create_cached_numeral"; 55737c478bd9Sstevel@tonic-gate 55747c478bd9Sstevel@tonic-gate assert(index >= 0 && index < setp->re_count); 55757c478bd9Sstevel@tonic-gate assert(strcmp(rules[index].re, setp->re[index]) == 0); 55767c478bd9Sstevel@tonic-gate 55777c478bd9Sstevel@tonic-gate /* 55787c478bd9Sstevel@tonic-gate * We found a numeral_id from an entry in /dev which matched 55797c478bd9Sstevel@tonic-gate * the re passed in from devfsadm_enumerate. We only need to make sure 55807c478bd9Sstevel@tonic-gate * ONE copy of numeral_id exists on the numeral list. We only need 55817c478bd9Sstevel@tonic-gate * to store /dev/dsk/cNtod0s0 and no other entries hanging off 55827c478bd9Sstevel@tonic-gate * of controller N. 55837c478bd9Sstevel@tonic-gate */ 55847c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 55857c478bd9Sstevel@tonic-gate if (strcmp(numeral_id, np->id) == 0) { 55867c478bd9Sstevel@tonic-gate return; 55877c478bd9Sstevel@tonic-gate } 55887c478bd9Sstevel@tonic-gate } 55897c478bd9Sstevel@tonic-gate 55907c478bd9Sstevel@tonic-gate /* NOT on list, so add it */ 55917c478bd9Sstevel@tonic-gate 55927c478bd9Sstevel@tonic-gate (void) strcpy(lpath, path); 55937c478bd9Sstevel@tonic-gate /* 55947c478bd9Sstevel@tonic-gate * If path is a dir, it is changed to the first symbolic link it find 55957c478bd9Sstevel@tonic-gate * if it finds one. 55967c478bd9Sstevel@tonic-gate */ 55977c478bd9Sstevel@tonic-gate if (get_stat_info(lpath, &sb) == DEVFSADM_FAILURE) { 55987c478bd9Sstevel@tonic-gate return; 55997c478bd9Sstevel@tonic-gate } 56007c478bd9Sstevel@tonic-gate 56017c478bd9Sstevel@tonic-gate /* If we get here, we found a symlink */ 56027c478bd9Sstevel@tonic-gate linksize = readlink(lpath, linkbuf, PATH_MAX); 56037c478bd9Sstevel@tonic-gate 56047c478bd9Sstevel@tonic-gate if (linksize <= 0) { 56057c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, lpath, strerror(errno)); 56067c478bd9Sstevel@tonic-gate return; 56077c478bd9Sstevel@tonic-gate } 56087c478bd9Sstevel@tonic-gate 56097c478bd9Sstevel@tonic-gate linkbuf[linksize] = '\0'; 56107c478bd9Sstevel@tonic-gate 56117c478bd9Sstevel@tonic-gate /* 56127c478bd9Sstevel@tonic-gate * the following just points linkptr to the root of the /devices 56137c478bd9Sstevel@tonic-gate * node if it is a minor node, otherwise, to the first char of 56147c478bd9Sstevel@tonic-gate * linkbuf if it is a link. 56157c478bd9Sstevel@tonic-gate */ 56167c478bd9Sstevel@tonic-gate (void) is_minor_node(linkbuf, &linkptr); 56177c478bd9Sstevel@tonic-gate 56187c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(linkptr, &rules[index]); 56197c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 56207c478bd9Sstevel@tonic-gate return; 56217c478bd9Sstevel@tonic-gate } 56227c478bd9Sstevel@tonic-gate 56237c478bd9Sstevel@tonic-gate np = s_malloc(sizeof (numeral_t)); 56247c478bd9Sstevel@tonic-gate 56257c478bd9Sstevel@tonic-gate np->id = s_strdup(numeral_id); 56267c478bd9Sstevel@tonic-gate np->full_path = s_strdup(linkptr); 56277c478bd9Sstevel@tonic-gate np->rule_index = index; 56287c478bd9Sstevel@tonic-gate np->cmp_str = cmp_str; 56297c478bd9Sstevel@tonic-gate 56307c478bd9Sstevel@tonic-gate np->next = setp->headnumeral; 56317c478bd9Sstevel@tonic-gate setp->headnumeral = np; 56327c478bd9Sstevel@tonic-gate } 56337c478bd9Sstevel@tonic-gate 56347c478bd9Sstevel@tonic-gate 56357c478bd9Sstevel@tonic-gate /* 56367c478bd9Sstevel@tonic-gate * This should be called either before or after granting access to a 56377c478bd9Sstevel@tonic-gate * command line version of devfsadm running, since it may have changed 56387c478bd9Sstevel@tonic-gate * the state of /dev. It forces future enumerate calls to re-build 56397c478bd9Sstevel@tonic-gate * cached information from /dev. 56407c478bd9Sstevel@tonic-gate */ 56417c478bd9Sstevel@tonic-gate void 56427c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(void) 56437c478bd9Sstevel@tonic-gate { 56447c478bd9Sstevel@tonic-gate numeral_set_t *setp; 56457c478bd9Sstevel@tonic-gate numeral_set_t *savedsetp; 56467c478bd9Sstevel@tonic-gate numeral_t *savednumset; 56477c478bd9Sstevel@tonic-gate numeral_t *numset; 56487c478bd9Sstevel@tonic-gate int i; 56497c478bd9Sstevel@tonic-gate 56507c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; ) { 56517c478bd9Sstevel@tonic-gate /* 56527c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 56537c478bd9Sstevel@tonic-gate * those in cached set. 56547c478bd9Sstevel@tonic-gate */ 56557c478bd9Sstevel@tonic-gate 56567c478bd9Sstevel@tonic-gate savedsetp = setp; 56577c478bd9Sstevel@tonic-gate setp = setp->next; 56587c478bd9Sstevel@tonic-gate 56597c478bd9Sstevel@tonic-gate for (i = 0; i < savedsetp->re_count; i++) { 56607c478bd9Sstevel@tonic-gate free(savedsetp->re[i]); 56617c478bd9Sstevel@tonic-gate } 56627c478bd9Sstevel@tonic-gate free(savedsetp->re); 56637c478bd9Sstevel@tonic-gate 56647c478bd9Sstevel@tonic-gate for (numset = savedsetp->headnumeral; numset != NULL; ) { 56657c478bd9Sstevel@tonic-gate savednumset = numset; 56667c478bd9Sstevel@tonic-gate numset = numset->next; 56677c478bd9Sstevel@tonic-gate assert(savednumset->rule_index < savedsetp->re_count); 56687c478bd9Sstevel@tonic-gate free(savednumset->id); 56697c478bd9Sstevel@tonic-gate free(savednumset->full_path); 56707c478bd9Sstevel@tonic-gate free(savednumset->cmp_str); 56717c478bd9Sstevel@tonic-gate free(savednumset); 56727c478bd9Sstevel@tonic-gate } 56737c478bd9Sstevel@tonic-gate free(savedsetp); 56747c478bd9Sstevel@tonic-gate } 56757c478bd9Sstevel@tonic-gate head_numeral_set = NULL; 56767c478bd9Sstevel@tonic-gate } 56777c478bd9Sstevel@tonic-gate 56787c478bd9Sstevel@tonic-gate /* 56797c478bd9Sstevel@tonic-gate * Copies over links from /dev to <root>/dev and device special files in 56807c478bd9Sstevel@tonic-gate * /devices to <root>/devices, preserving the existing file modes. If 56817c478bd9Sstevel@tonic-gate * the link or special file already exists on <root>, skip the copy. (it 56827c478bd9Sstevel@tonic-gate * would exist only if a package hard coded it there, so assume package 56837c478bd9Sstevel@tonic-gate * knows best?). Use /etc/name_to_major and <root>/etc/name_to_major to 56847c478bd9Sstevel@tonic-gate * make translations for major numbers on device special files. No need to 56857c478bd9Sstevel@tonic-gate * make a translation on minor_perm since if the file was created in the 56867c478bd9Sstevel@tonic-gate * miniroot then it would presumably have the same minor_perm entry in 56877c478bd9Sstevel@tonic-gate * <root>/etc/minor_perm. To be used only by install. 56887c478bd9Sstevel@tonic-gate */ 56897c478bd9Sstevel@tonic-gate int 56907c478bd9Sstevel@tonic-gate devfsadm_copy(void) 56917c478bd9Sstevel@tonic-gate { 56927c478bd9Sstevel@tonic-gate char filename[PATH_MAX + 1]; 56937c478bd9Sstevel@tonic-gate 56947c478bd9Sstevel@tonic-gate /* load the installed root's name_to_major for translations */ 56957c478bd9Sstevel@tonic-gate (void) snprintf(filename, sizeof (filename), "%s%s", root_dir, 56967c478bd9Sstevel@tonic-gate NAME_TO_MAJOR); 56977c478bd9Sstevel@tonic-gate if (load_n2m_table(filename) == DEVFSADM_FAILURE) { 56987c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 56997c478bd9Sstevel@tonic-gate } 57007c478bd9Sstevel@tonic-gate 57017c478bd9Sstevel@tonic-gate /* Copy /dev to target disk. No need to copy /devices with devfs */ 57027c478bd9Sstevel@tonic-gate (void) nftw(DEV, devfsadm_copy_file, 20, FTW_PHYS); 57037c478bd9Sstevel@tonic-gate 57047c478bd9Sstevel@tonic-gate /* Let install handle copying over path_to_inst */ 57057c478bd9Sstevel@tonic-gate 57067c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57077c478bd9Sstevel@tonic-gate } 57087c478bd9Sstevel@tonic-gate 57097c478bd9Sstevel@tonic-gate /* 57107c478bd9Sstevel@tonic-gate * This function copies links, dirs, and device special files. 57117c478bd9Sstevel@tonic-gate * Note that it always returns DEVFSADM_SUCCESS, so that nftw doesn't 57127c478bd9Sstevel@tonic-gate * abort. 57137c478bd9Sstevel@tonic-gate */ 57147c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 57157c478bd9Sstevel@tonic-gate static int 57167c478bd9Sstevel@tonic-gate devfsadm_copy_file(const char *file, const struct stat *stat, 57177c478bd9Sstevel@tonic-gate int flags, struct FTW *ftw) 57187c478bd9Sstevel@tonic-gate { 57197c478bd9Sstevel@tonic-gate struct stat sp; 57207c478bd9Sstevel@tonic-gate dev_t newdev; 57217c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 57227c478bd9Sstevel@tonic-gate char linkcontents[PATH_MAX + 1]; 57237c478bd9Sstevel@tonic-gate int bytes; 57247c478bd9Sstevel@tonic-gate const char *fcn = "devfsadm_copy_file"; 57257c478bd9Sstevel@tonic-gate 57267c478bd9Sstevel@tonic-gate (void) strcpy(newfile, root_dir); 57277c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 57287c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 57297c478bd9Sstevel@tonic-gate 57307c478bd9Sstevel@tonic-gate if (lstat(newfile, &sp) == 0) { 57317c478bd9Sstevel@tonic-gate /* newfile already exists, so no need to continue */ 57327c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57337c478bd9Sstevel@tonic-gate } 57347c478bd9Sstevel@tonic-gate 57357c478bd9Sstevel@tonic-gate if (((stat->st_mode & S_IFMT) == S_IFBLK) || 57367c478bd9Sstevel@tonic-gate ((stat->st_mode & S_IFMT) == S_IFCHR)) { 57377c478bd9Sstevel@tonic-gate if (translate_major(stat->st_rdev, &newdev) == 57387c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 57397c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57407c478bd9Sstevel@tonic-gate } 57417c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, newdev) == -1) { 57427c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 57437c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57447c478bd9Sstevel@tonic-gate } 57457c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFDIR) { 57467c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, 0) == -1) { 57477c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 57487c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57497c478bd9Sstevel@tonic-gate } 57507c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFLNK) { 57517c478bd9Sstevel@tonic-gate if ((bytes = readlink(file, linkcontents, PATH_MAX)) == -1) { 57527c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, file, strerror(errno)); 57537c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57547c478bd9Sstevel@tonic-gate } 57557c478bd9Sstevel@tonic-gate linkcontents[bytes] = '\0'; 57567c478bd9Sstevel@tonic-gate if (symlink(linkcontents, newfile) == -1) { 57577c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, newfile, newfile, 57587c478bd9Sstevel@tonic-gate strerror(errno)); 57597c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57607c478bd9Sstevel@tonic-gate } 57617c478bd9Sstevel@tonic-gate } 57627c478bd9Sstevel@tonic-gate 57637c478bd9Sstevel@tonic-gate (void) lchown(newfile, stat->st_uid, stat->st_gid); 57647c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57657c478bd9Sstevel@tonic-gate } 57667c478bd9Sstevel@tonic-gate 57677c478bd9Sstevel@tonic-gate /* 57687c478bd9Sstevel@tonic-gate * Given a dev_t from the running kernel, return the new_dev_t 57697c478bd9Sstevel@tonic-gate * by translating to the major number found on the installed 57707c478bd9Sstevel@tonic-gate * target's root name_to_major file. 57717c478bd9Sstevel@tonic-gate */ 57727c478bd9Sstevel@tonic-gate static int 57737c478bd9Sstevel@tonic-gate translate_major(dev_t old_dev, dev_t *new_dev) 57747c478bd9Sstevel@tonic-gate { 57757c478bd9Sstevel@tonic-gate major_t oldmajor; 57767c478bd9Sstevel@tonic-gate major_t newmajor; 57777c478bd9Sstevel@tonic-gate minor_t oldminor; 57787c478bd9Sstevel@tonic-gate minor_t newminor; 57797c478bd9Sstevel@tonic-gate char cdriver[FILENAME_MAX + 1]; 57807c478bd9Sstevel@tonic-gate char driver[FILENAME_MAX + 1]; 57817c478bd9Sstevel@tonic-gate char *fcn = "translate_major: "; 57827c478bd9Sstevel@tonic-gate 57837c478bd9Sstevel@tonic-gate oldmajor = major(old_dev); 57847c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, driver, sizeof (driver), 57857c478bd9Sstevel@tonic-gate &oldmajor) != 0) { 57867c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 57877c478bd9Sstevel@tonic-gate } 57887c478bd9Sstevel@tonic-gate 57897c478bd9Sstevel@tonic-gate if (strcmp(driver, "clone") != 0) { 57907c478bd9Sstevel@tonic-gate /* non-clone case */ 57917c478bd9Sstevel@tonic-gate 57927c478bd9Sstevel@tonic-gate /* look up major number is target's name2major */ 57937c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 57947c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 57957c478bd9Sstevel@tonic-gate } 57967c478bd9Sstevel@tonic-gate 57977c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, minor(old_dev)); 57987c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 57997c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: %lu,%lu " 58007c478bd9Sstevel@tonic-gate "new: %lu,%lu\n", fcn, driver, major(old_dev), 58017c478bd9Sstevel@tonic-gate minor(old_dev), major(*new_dev), 58027c478bd9Sstevel@tonic-gate minor(*new_dev)); 58037c478bd9Sstevel@tonic-gate } 58047c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58057c478bd9Sstevel@tonic-gate } else { 58067c478bd9Sstevel@tonic-gate /* 58077c478bd9Sstevel@tonic-gate * The clone is a special case. Look at its minor 58087c478bd9Sstevel@tonic-gate * number since it is the major number of the real driver. 58097c478bd9Sstevel@tonic-gate */ 58107c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 58117c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58127c478bd9Sstevel@tonic-gate } 58137c478bd9Sstevel@tonic-gate 58147c478bd9Sstevel@tonic-gate oldminor = minor(old_dev); 58157c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, cdriver, sizeof (cdriver), 58167c478bd9Sstevel@tonic-gate &oldminor) != 0) { 58177c478bd9Sstevel@tonic-gate err_print(MODGETNAME_FAILED, oldminor); 58187c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58197c478bd9Sstevel@tonic-gate } 58207c478bd9Sstevel@tonic-gate 58217c478bd9Sstevel@tonic-gate if (get_major_no(cdriver, &newminor) == DEVFSADM_FAILURE) { 58227c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58237c478bd9Sstevel@tonic-gate } 58247c478bd9Sstevel@tonic-gate 58257c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, newminor); 58267c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 58277c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: " 58287c478bd9Sstevel@tonic-gate "%lu,%lu new: %lu,%lu\n", fcn, driver, 58297c478bd9Sstevel@tonic-gate major(old_dev), minor(old_dev), 58307c478bd9Sstevel@tonic-gate major(*new_dev), minor(*new_dev)); 58317c478bd9Sstevel@tonic-gate } 58327c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58337c478bd9Sstevel@tonic-gate } 58347c478bd9Sstevel@tonic-gate } 58357c478bd9Sstevel@tonic-gate 58367c478bd9Sstevel@tonic-gate /* 58377c478bd9Sstevel@tonic-gate * 58387c478bd9Sstevel@tonic-gate * Find the major number for driver, searching the n2m_list that was 58397c478bd9Sstevel@tonic-gate * built in load_n2m_table(). 58407c478bd9Sstevel@tonic-gate */ 58417c478bd9Sstevel@tonic-gate static int 58427c478bd9Sstevel@tonic-gate get_major_no(char *driver, major_t *major) 58437c478bd9Sstevel@tonic-gate { 58447c478bd9Sstevel@tonic-gate n2m_t *ptr; 58457c478bd9Sstevel@tonic-gate 58467c478bd9Sstevel@tonic-gate for (ptr = n2m_list; ptr != NULL; ptr = ptr->next) { 58477c478bd9Sstevel@tonic-gate if (strcmp(ptr->driver, driver) == 0) { 58487c478bd9Sstevel@tonic-gate *major = ptr->major; 58497c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58507c478bd9Sstevel@tonic-gate } 58517c478bd9Sstevel@tonic-gate } 58527c478bd9Sstevel@tonic-gate err_print(FIND_MAJOR_FAILED, driver); 58537c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58547c478bd9Sstevel@tonic-gate } 58557c478bd9Sstevel@tonic-gate 58567c478bd9Sstevel@tonic-gate /* 58577c478bd9Sstevel@tonic-gate * Loads a name_to_major table into memory. Used only for suninstall's 58587c478bd9Sstevel@tonic-gate * private -R option to devfsadm, to translate major numbers from the 58597c478bd9Sstevel@tonic-gate * running to the installed target disk. 58607c478bd9Sstevel@tonic-gate */ 58617c478bd9Sstevel@tonic-gate static int 58627c478bd9Sstevel@tonic-gate load_n2m_table(char *file) 58637c478bd9Sstevel@tonic-gate { 58647c478bd9Sstevel@tonic-gate FILE *fp; 58657c478bd9Sstevel@tonic-gate char line[1024]; 58667c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 58677c478bd9Sstevel@tonic-gate major_t major; 58687c478bd9Sstevel@tonic-gate n2m_t *ptr; 58697c478bd9Sstevel@tonic-gate int ln = 0; 58707c478bd9Sstevel@tonic-gate 58717c478bd9Sstevel@tonic-gate if ((fp = fopen(file, "r")) == NULL) { 58727c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, file, strerror(errno)); 58737c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58747c478bd9Sstevel@tonic-gate } 58757c478bd9Sstevel@tonic-gate 58767c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 58777c478bd9Sstevel@tonic-gate ln++; 58787c478bd9Sstevel@tonic-gate if (line[0] == '#') { 58797c478bd9Sstevel@tonic-gate continue; 58807c478bd9Sstevel@tonic-gate } 58817c478bd9Sstevel@tonic-gate if (sscanf(line, "%1024s%lu", driver, &major) != 2) { 58827c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, file); 58837c478bd9Sstevel@tonic-gate continue; 58847c478bd9Sstevel@tonic-gate } 58857c478bd9Sstevel@tonic-gate ptr = (n2m_t *)s_malloc(sizeof (n2m_t)); 58867c478bd9Sstevel@tonic-gate ptr->major = major; 58877c478bd9Sstevel@tonic-gate ptr->driver = s_strdup(driver); 58887c478bd9Sstevel@tonic-gate ptr->next = n2m_list; 58897c478bd9Sstevel@tonic-gate n2m_list = ptr; 58907c478bd9Sstevel@tonic-gate } 58917c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 58927c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, file, strerror(errno)); 58937c478bd9Sstevel@tonic-gate } 58947c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58957c478bd9Sstevel@tonic-gate } 58967c478bd9Sstevel@tonic-gate 58977c478bd9Sstevel@tonic-gate /* 58987c478bd9Sstevel@tonic-gate * Called at devfsadm startup to read in the devlink.tab file. Creates 58997c478bd9Sstevel@tonic-gate * a linked list of devlinktab_list structures which will be 59007c478bd9Sstevel@tonic-gate * searched for every minor node. 59017c478bd9Sstevel@tonic-gate */ 59027c478bd9Sstevel@tonic-gate static void 59037c478bd9Sstevel@tonic-gate read_devlinktab_file(void) 59047c478bd9Sstevel@tonic-gate { 59057c478bd9Sstevel@tonic-gate devlinktab_list_t *headp = NULL; 59067c478bd9Sstevel@tonic-gate devlinktab_list_t *entryp; 59077c478bd9Sstevel@tonic-gate devlinktab_list_t **previous; 59087c478bd9Sstevel@tonic-gate devlinktab_list_t *save; 59097c478bd9Sstevel@tonic-gate char line[MAX_DEVLINK_LINE]; 59107c478bd9Sstevel@tonic-gate char *selector; 59117c478bd9Sstevel@tonic-gate char *p_link; 59127c478bd9Sstevel@tonic-gate char *s_link; 59137c478bd9Sstevel@tonic-gate FILE *fp; 59147c478bd9Sstevel@tonic-gate int i; 59157c478bd9Sstevel@tonic-gate static struct stat cached_sb; 59167c478bd9Sstevel@tonic-gate struct stat current_sb; 59177c478bd9Sstevel@tonic-gate static int cached = FALSE; 59187c478bd9Sstevel@tonic-gate 59197c478bd9Sstevel@tonic-gate if (devlinktab_file == NULL) { 59207c478bd9Sstevel@tonic-gate return; 59217c478bd9Sstevel@tonic-gate } 59227c478bd9Sstevel@tonic-gate 59237c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, ¤t_sb); 59247c478bd9Sstevel@tonic-gate 59257c478bd9Sstevel@tonic-gate /* if already cached, check to see if it is still valid */ 59267c478bd9Sstevel@tonic-gate if (cached == TRUE) { 59277c478bd9Sstevel@tonic-gate 59287c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 59297c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", devlinktab_file); 59307c478bd9Sstevel@tonic-gate return; 59317c478bd9Sstevel@tonic-gate } 59327c478bd9Sstevel@tonic-gate 59337c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", devlinktab_file); 59347c478bd9Sstevel@tonic-gate 59357c478bd9Sstevel@tonic-gate while (devlinktab_list != NULL) { 59367c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->p_link); 59377c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->s_link); 59387c478bd9Sstevel@tonic-gate free_selector_list(devlinktab_list->selector); 59397c478bd9Sstevel@tonic-gate free(devlinktab_list->selector_pattern); 59407c478bd9Sstevel@tonic-gate free(devlinktab_list->p_link_pattern); 59417c478bd9Sstevel@tonic-gate if (devlinktab_list->s_link_pattern != NULL) { 59427c478bd9Sstevel@tonic-gate free(devlinktab_list->s_link_pattern); 59437c478bd9Sstevel@tonic-gate } 59447c478bd9Sstevel@tonic-gate save = devlinktab_list; 59457c478bd9Sstevel@tonic-gate devlinktab_list = devlinktab_list->next; 59467c478bd9Sstevel@tonic-gate free(save); 59477c478bd9Sstevel@tonic-gate } 59487c478bd9Sstevel@tonic-gate } else { 59497c478bd9Sstevel@tonic-gate cached = TRUE; 59507c478bd9Sstevel@tonic-gate } 59517c478bd9Sstevel@tonic-gate 59527c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, &cached_sb); 59537c478bd9Sstevel@tonic-gate 59547c478bd9Sstevel@tonic-gate if ((fp = fopen(devlinktab_file, "r")) == NULL) { 59557c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, devlinktab_file, strerror(errno)); 59567c478bd9Sstevel@tonic-gate return; 59577c478bd9Sstevel@tonic-gate } 59587c478bd9Sstevel@tonic-gate 59597c478bd9Sstevel@tonic-gate previous = &headp; 59607c478bd9Sstevel@tonic-gate 59617c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 59627c478bd9Sstevel@tonic-gate devlinktab_line++; 59637c478bd9Sstevel@tonic-gate i = strlen(line); 59647c478bd9Sstevel@tonic-gate if (line[i-1] == NEWLINE) { 59657c478bd9Sstevel@tonic-gate line[i-1] = '\0'; 59667c478bd9Sstevel@tonic-gate } else if (i == sizeof (line-1)) { 59677c478bd9Sstevel@tonic-gate err_print(LINE_TOO_LONG, devlinktab_line, 59687c478bd9Sstevel@tonic-gate devlinktab_file, sizeof (line)-1); 59697c478bd9Sstevel@tonic-gate while (((i = getc(fp)) != '\n') && (i != EOF)); 59707c478bd9Sstevel@tonic-gate continue; 59717c478bd9Sstevel@tonic-gate } 59727c478bd9Sstevel@tonic-gate 59737c478bd9Sstevel@tonic-gate if ((line[0] == '#') || (line[0] == '\0')) { 59747c478bd9Sstevel@tonic-gate /* Ignore comments and blank lines */ 59757c478bd9Sstevel@tonic-gate continue; 59767c478bd9Sstevel@tonic-gate } 59777c478bd9Sstevel@tonic-gate 59787c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "table: %s line %d: '%s'\n", 59797c478bd9Sstevel@tonic-gate devlinktab_file, devlinktab_line, line); 59807c478bd9Sstevel@tonic-gate 59817c478bd9Sstevel@tonic-gate /* break each entry into fields. s_link may be NULL */ 59827c478bd9Sstevel@tonic-gate if (split_devlinktab_entry(line, &selector, &p_link, 59837c478bd9Sstevel@tonic-gate &s_link) == DEVFSADM_FAILURE) { 59847c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry returns failure\n"); 59857c478bd9Sstevel@tonic-gate continue; 59867c478bd9Sstevel@tonic-gate } else { 59877c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry selector='%s' " 59887c478bd9Sstevel@tonic-gate "p_link='%s' s_link='%s'\n\n", selector, 59897c478bd9Sstevel@tonic-gate p_link, (s_link == NULL) ? "" : s_link); 59907c478bd9Sstevel@tonic-gate } 59917c478bd9Sstevel@tonic-gate 59927c478bd9Sstevel@tonic-gate entryp = (devlinktab_list_t *) 59937c478bd9Sstevel@tonic-gate s_malloc(sizeof (devlinktab_list_t)); 59947c478bd9Sstevel@tonic-gate 59957c478bd9Sstevel@tonic-gate entryp->line_number = devlinktab_line; 59967c478bd9Sstevel@tonic-gate 59977c478bd9Sstevel@tonic-gate if ((entryp->selector = 59987c478bd9Sstevel@tonic-gate create_selector_list(selector)) == NULL) { 59997c478bd9Sstevel@tonic-gate free(entryp); 60007c478bd9Sstevel@tonic-gate continue; 60017c478bd9Sstevel@tonic-gate } 60027c478bd9Sstevel@tonic-gate entryp->selector_pattern = s_strdup(selector); 60037c478bd9Sstevel@tonic-gate 60047c478bd9Sstevel@tonic-gate if ((entryp->p_link = create_link_list(p_link)) == NULL) { 60057c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 60067c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 60077c478bd9Sstevel@tonic-gate free(entryp); 60087c478bd9Sstevel@tonic-gate continue; 60097c478bd9Sstevel@tonic-gate } 60107c478bd9Sstevel@tonic-gate 60117c478bd9Sstevel@tonic-gate entryp->p_link_pattern = s_strdup(p_link); 60127c478bd9Sstevel@tonic-gate 60137c478bd9Sstevel@tonic-gate if (s_link != NULL) { 60147c478bd9Sstevel@tonic-gate if ((entryp->s_link = 60157c478bd9Sstevel@tonic-gate create_link_list(s_link)) == NULL) { 60167c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 60177c478bd9Sstevel@tonic-gate free_link_list(entryp->p_link); 60187c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 60197c478bd9Sstevel@tonic-gate free(entryp->p_link_pattern); 60207c478bd9Sstevel@tonic-gate free(entryp); 60217c478bd9Sstevel@tonic-gate continue; 60227c478bd9Sstevel@tonic-gate } 60237c478bd9Sstevel@tonic-gate entryp->s_link_pattern = s_strdup(s_link); 60247c478bd9Sstevel@tonic-gate } else { 60257c478bd9Sstevel@tonic-gate entryp->s_link = NULL; 60267c478bd9Sstevel@tonic-gate entryp->s_link_pattern = NULL; 60277c478bd9Sstevel@tonic-gate 60287c478bd9Sstevel@tonic-gate } 60297c478bd9Sstevel@tonic-gate 60307c478bd9Sstevel@tonic-gate /* append to end of list */ 60317c478bd9Sstevel@tonic-gate 60327c478bd9Sstevel@tonic-gate entryp->next = NULL; 60337c478bd9Sstevel@tonic-gate *previous = entryp; 60347c478bd9Sstevel@tonic-gate previous = &(entryp->next); 60357c478bd9Sstevel@tonic-gate } 60367c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 60377c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, devlinktab_file, strerror(errno)); 60387c478bd9Sstevel@tonic-gate } 60397c478bd9Sstevel@tonic-gate devlinktab_list = headp; 60407c478bd9Sstevel@tonic-gate } 60417c478bd9Sstevel@tonic-gate 60427c478bd9Sstevel@tonic-gate /* 60437c478bd9Sstevel@tonic-gate * 60447c478bd9Sstevel@tonic-gate * For a single line entry in devlink.tab, split the line into fields 60457c478bd9Sstevel@tonic-gate * selector, p_link, and an optionally s_link. If s_link field is not 60467c478bd9Sstevel@tonic-gate * present, then return NULL in s_link (not NULL string). 60477c478bd9Sstevel@tonic-gate */ 60487c478bd9Sstevel@tonic-gate static int 60497c478bd9Sstevel@tonic-gate split_devlinktab_entry(char *entry, char **selector, char **p_link, 60507c478bd9Sstevel@tonic-gate char **s_link) 60517c478bd9Sstevel@tonic-gate { 60527c478bd9Sstevel@tonic-gate char *tab; 60537c478bd9Sstevel@tonic-gate 60547c478bd9Sstevel@tonic-gate *selector = entry; 60557c478bd9Sstevel@tonic-gate 60567c478bd9Sstevel@tonic-gate if ((tab = strchr(entry, TAB)) != NULL) { 60577c478bd9Sstevel@tonic-gate *tab = '\0'; 60587c478bd9Sstevel@tonic-gate *p_link = ++tab; 60597c478bd9Sstevel@tonic-gate } else { 60607c478bd9Sstevel@tonic-gate err_print(MISSING_TAB, devlinktab_line, devlinktab_file); 60617c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60627c478bd9Sstevel@tonic-gate } 60637c478bd9Sstevel@tonic-gate 60647c478bd9Sstevel@tonic-gate if (*p_link == '\0') { 60657c478bd9Sstevel@tonic-gate err_print(MISSING_DEVNAME, devlinktab_line, devlinktab_file); 60667c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60677c478bd9Sstevel@tonic-gate } 60687c478bd9Sstevel@tonic-gate 60697c478bd9Sstevel@tonic-gate if ((tab = strchr(*p_link, TAB)) != NULL) { 60707c478bd9Sstevel@tonic-gate *tab = '\0'; 60717c478bd9Sstevel@tonic-gate *s_link = ++tab; 60727c478bd9Sstevel@tonic-gate if (strchr(*s_link, TAB) != NULL) { 60737c478bd9Sstevel@tonic-gate err_print(TOO_MANY_FIELDS, devlinktab_line, 60747c478bd9Sstevel@tonic-gate devlinktab_file); 60757c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 60767c478bd9Sstevel@tonic-gate } 60777c478bd9Sstevel@tonic-gate } else { 60787c478bd9Sstevel@tonic-gate *s_link = NULL; 60797c478bd9Sstevel@tonic-gate } 60807c478bd9Sstevel@tonic-gate 60817c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 60827c478bd9Sstevel@tonic-gate } 60837c478bd9Sstevel@tonic-gate 60847c478bd9Sstevel@tonic-gate /* 60857c478bd9Sstevel@tonic-gate * For a given devfs_spec field, for each element in the field, add it to 60867c478bd9Sstevel@tonic-gate * a linked list of devfs_spec structures. Return the linked list in 60877c478bd9Sstevel@tonic-gate * devfs_spec_list. 60887c478bd9Sstevel@tonic-gate */ 60897c478bd9Sstevel@tonic-gate static selector_list_t * 60907c478bd9Sstevel@tonic-gate create_selector_list(char *selector) 60917c478bd9Sstevel@tonic-gate { 60927c478bd9Sstevel@tonic-gate char *key; 60937c478bd9Sstevel@tonic-gate char *val; 60947c478bd9Sstevel@tonic-gate int error = FALSE; 60957c478bd9Sstevel@tonic-gate selector_list_t *head_selector_list = NULL; 60967c478bd9Sstevel@tonic-gate selector_list_t *selector_list; 60977c478bd9Sstevel@tonic-gate 60987c478bd9Sstevel@tonic-gate /* parse_devfs_spec splits the next field into keyword & value */ 60997c478bd9Sstevel@tonic-gate while ((*selector != NULL) && (error == FALSE)) { 61007c478bd9Sstevel@tonic-gate if (parse_selector(&selector, &key, 61017c478bd9Sstevel@tonic-gate &val) == DEVFSADM_FAILURE) { 61027c478bd9Sstevel@tonic-gate error = TRUE; 61037c478bd9Sstevel@tonic-gate break; 61047c478bd9Sstevel@tonic-gate } else { 61057c478bd9Sstevel@tonic-gate selector_list = (selector_list_t *) 61067c478bd9Sstevel@tonic-gate s_malloc(sizeof (selector_list_t)); 61077c478bd9Sstevel@tonic-gate if (strcmp(NAME_S, key) == 0) { 61087c478bd9Sstevel@tonic-gate selector_list->key = NAME; 61097c478bd9Sstevel@tonic-gate } else if (strcmp(TYPE_S, key) == 0) { 61107c478bd9Sstevel@tonic-gate selector_list->key = TYPE; 61117c478bd9Sstevel@tonic-gate } else if (strncmp(ADDR_S, key, ADDR_S_LEN) == 0) { 61127c478bd9Sstevel@tonic-gate selector_list->key = ADDR; 61137c478bd9Sstevel@tonic-gate if (key[ADDR_S_LEN] == '\0') { 61147c478bd9Sstevel@tonic-gate selector_list->arg = 0; 61157c478bd9Sstevel@tonic-gate } else if (isdigit(key[ADDR_S_LEN]) != 61167c478bd9Sstevel@tonic-gate FALSE) { 61177c478bd9Sstevel@tonic-gate selector_list->arg = 61187c478bd9Sstevel@tonic-gate atoi(&key[ADDR_S_LEN]); 61197c478bd9Sstevel@tonic-gate } else { 61207c478bd9Sstevel@tonic-gate error = TRUE; 61217c478bd9Sstevel@tonic-gate free(selector_list); 61227c478bd9Sstevel@tonic-gate err_print(BADKEYWORD, key, 61237c478bd9Sstevel@tonic-gate devlinktab_line, 61247c478bd9Sstevel@tonic-gate devlinktab_file); 61257c478bd9Sstevel@tonic-gate break; 61267c478bd9Sstevel@tonic-gate } 61277c478bd9Sstevel@tonic-gate } else if (strncmp(MINOR_S, key, 61287c478bd9Sstevel@tonic-gate MINOR_S_LEN) == 0) { 61297c478bd9Sstevel@tonic-gate selector_list->key = MINOR; 61307c478bd9Sstevel@tonic-gate if (key[MINOR_S_LEN] == '\0') { 61317c478bd9Sstevel@tonic-gate selector_list->arg = 0; 61327c478bd9Sstevel@tonic-gate } else if (isdigit(key[MINOR_S_LEN]) != 61337c478bd9Sstevel@tonic-gate FALSE) { 61347c478bd9Sstevel@tonic-gate selector_list->arg = 61357c478bd9Sstevel@tonic-gate atoi(&key[MINOR_S_LEN]); 61367c478bd9Sstevel@tonic-gate } else { 61377c478bd9Sstevel@tonic-gate error = TRUE; 61387c478bd9Sstevel@tonic-gate free(selector_list); 61397c478bd9Sstevel@tonic-gate err_print(BADKEYWORD, key, 61407c478bd9Sstevel@tonic-gate devlinktab_line, 61417c478bd9Sstevel@tonic-gate devlinktab_file); 61427c478bd9Sstevel@tonic-gate break; 61437c478bd9Sstevel@tonic-gate } 61447c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "MINOR = %s\n", val); 61457c478bd9Sstevel@tonic-gate } else { 61467c478bd9Sstevel@tonic-gate err_print(UNRECOGNIZED_KEY, key, 61477c478bd9Sstevel@tonic-gate devlinktab_line, devlinktab_file); 61487c478bd9Sstevel@tonic-gate error = TRUE; 61497c478bd9Sstevel@tonic-gate free(selector_list); 61507c478bd9Sstevel@tonic-gate break; 61517c478bd9Sstevel@tonic-gate } 61527c478bd9Sstevel@tonic-gate selector_list->val = s_strdup(val); 61537c478bd9Sstevel@tonic-gate selector_list->next = head_selector_list; 61547c478bd9Sstevel@tonic-gate head_selector_list = selector_list; 61557c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "key='%s' val='%s' arg=%d\n", 61567c478bd9Sstevel@tonic-gate key, val, selector_list->arg); 61577c478bd9Sstevel@tonic-gate } 61587c478bd9Sstevel@tonic-gate } 61597c478bd9Sstevel@tonic-gate 61607c478bd9Sstevel@tonic-gate if ((error == FALSE) && (head_selector_list != NULL)) { 61617c478bd9Sstevel@tonic-gate return (head_selector_list); 61627c478bd9Sstevel@tonic-gate } else { 61637c478bd9Sstevel@tonic-gate /* parse failed. Free any allocated structs */ 61647c478bd9Sstevel@tonic-gate free_selector_list(head_selector_list); 61657c478bd9Sstevel@tonic-gate return (NULL); 61667c478bd9Sstevel@tonic-gate } 61677c478bd9Sstevel@tonic-gate } 61687c478bd9Sstevel@tonic-gate 61697c478bd9Sstevel@tonic-gate /* 61707c478bd9Sstevel@tonic-gate * Takes a semicolon separated list of selector elements and breaks up 61717c478bd9Sstevel@tonic-gate * into a keyword-value pair. semicolon and equal characters are 61727c478bd9Sstevel@tonic-gate * replaced with NULL's. On success, selector is updated to point to the 61737c478bd9Sstevel@tonic-gate * terminating NULL character terminating the keyword-value pair, and the 61747c478bd9Sstevel@tonic-gate * function returns DEVFSADM_SUCCESS. If there is a syntax error, 61757c478bd9Sstevel@tonic-gate * devfs_spec is not modified and function returns DEVFSADM_FAILURE. 61767c478bd9Sstevel@tonic-gate */ 61777c478bd9Sstevel@tonic-gate static int 61787c478bd9Sstevel@tonic-gate parse_selector(char **selector, char **key, char **val) 61797c478bd9Sstevel@tonic-gate { 61807c478bd9Sstevel@tonic-gate char *equal; 61817c478bd9Sstevel@tonic-gate char *semi_colon; 61827c478bd9Sstevel@tonic-gate 61837c478bd9Sstevel@tonic-gate *key = *selector; 61847c478bd9Sstevel@tonic-gate 61857c478bd9Sstevel@tonic-gate if ((equal = strchr(*key, '=')) != NULL) { 61867c478bd9Sstevel@tonic-gate *equal = '\0'; 61877c478bd9Sstevel@tonic-gate } else { 61887c478bd9Sstevel@tonic-gate err_print(MISSING_EQUAL, devlinktab_line, devlinktab_file); 61897c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61907c478bd9Sstevel@tonic-gate } 61917c478bd9Sstevel@tonic-gate 61927c478bd9Sstevel@tonic-gate *val = ++equal; 61937c478bd9Sstevel@tonic-gate if ((semi_colon = strchr(equal, ';')) != NULL) { 61947c478bd9Sstevel@tonic-gate *semi_colon = '\0'; 61957c478bd9Sstevel@tonic-gate *selector = semi_colon + 1; 61967c478bd9Sstevel@tonic-gate } else { 61977c478bd9Sstevel@tonic-gate *selector = equal + strlen(equal); 61987c478bd9Sstevel@tonic-gate } 61997c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 62007c478bd9Sstevel@tonic-gate } 62017c478bd9Sstevel@tonic-gate 62027c478bd9Sstevel@tonic-gate /* 62037c478bd9Sstevel@tonic-gate * link is either the second or third field of devlink.tab. Parse link 62047c478bd9Sstevel@tonic-gate * into a linked list of devlink structures and return ptr to list. Each 62057c478bd9Sstevel@tonic-gate * list element is either a constant string, or one of the following 62067c478bd9Sstevel@tonic-gate * escape sequences: \M, \A, \N, or \D. The first three escape sequences 62077c478bd9Sstevel@tonic-gate * take a numerical argument. 62087c478bd9Sstevel@tonic-gate */ 62097c478bd9Sstevel@tonic-gate static link_list_t * 62107c478bd9Sstevel@tonic-gate create_link_list(char *link) 62117c478bd9Sstevel@tonic-gate { 62127c478bd9Sstevel@tonic-gate int x = 0; 62137c478bd9Sstevel@tonic-gate int error = FALSE; 62147c478bd9Sstevel@tonic-gate int counter_found = FALSE; 62157c478bd9Sstevel@tonic-gate link_list_t *head = NULL; 62167c478bd9Sstevel@tonic-gate link_list_t **ptr; 62177c478bd9Sstevel@tonic-gate link_list_t *link_list; 62187c478bd9Sstevel@tonic-gate char constant[MAX_DEVLINK_LINE]; 62197c478bd9Sstevel@tonic-gate char *error_str; 62207c478bd9Sstevel@tonic-gate 62217c478bd9Sstevel@tonic-gate if (link == NULL) { 62227c478bd9Sstevel@tonic-gate return (NULL); 62237c478bd9Sstevel@tonic-gate } 62247c478bd9Sstevel@tonic-gate 62257c478bd9Sstevel@tonic-gate while ((*link != '\0') && (error == FALSE)) { 62267c478bd9Sstevel@tonic-gate link_list = (link_list_t *)s_malloc(sizeof (link_list_t)); 62277c478bd9Sstevel@tonic-gate link_list->next = NULL; 62287c478bd9Sstevel@tonic-gate 62297c478bd9Sstevel@tonic-gate while ((*link != '\0') && (*link != '\\')) { 62307c478bd9Sstevel@tonic-gate /* a non-escaped string */ 62317c478bd9Sstevel@tonic-gate constant[x++] = *(link++); 62327c478bd9Sstevel@tonic-gate } 62337c478bd9Sstevel@tonic-gate if (x != 0) { 62347c478bd9Sstevel@tonic-gate constant[x] = '\0'; 62357c478bd9Sstevel@tonic-gate link_list->type = CONSTANT; 62367c478bd9Sstevel@tonic-gate link_list->constant = s_strdup(constant); 62377c478bd9Sstevel@tonic-gate x = 0; 62387c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "CONSTANT FOUND %s\n", constant); 62397c478bd9Sstevel@tonic-gate } else { 62407c478bd9Sstevel@tonic-gate switch (*(++link)) { 62417c478bd9Sstevel@tonic-gate case 'M': 62427c478bd9Sstevel@tonic-gate link_list->type = MINOR; 62437c478bd9Sstevel@tonic-gate break; 62447c478bd9Sstevel@tonic-gate case 'A': 62457c478bd9Sstevel@tonic-gate link_list->type = ADDR; 62467c478bd9Sstevel@tonic-gate break; 62477c478bd9Sstevel@tonic-gate case 'N': 62487c478bd9Sstevel@tonic-gate if (counter_found == TRUE) { 62497c478bd9Sstevel@tonic-gate error = TRUE; 62507c478bd9Sstevel@tonic-gate error_str = "multiple counters " 62517c478bd9Sstevel@tonic-gate "not permitted"; 62527c478bd9Sstevel@tonic-gate free(link_list); 62537c478bd9Sstevel@tonic-gate } else { 62547c478bd9Sstevel@tonic-gate counter_found = TRUE; 62557c478bd9Sstevel@tonic-gate link_list->type = COUNTER; 62567c478bd9Sstevel@tonic-gate } 62577c478bd9Sstevel@tonic-gate break; 62587c478bd9Sstevel@tonic-gate case 'D': 62597c478bd9Sstevel@tonic-gate link_list->type = NAME; 62607c478bd9Sstevel@tonic-gate break; 62617c478bd9Sstevel@tonic-gate default: 62627c478bd9Sstevel@tonic-gate error = TRUE; 62637c478bd9Sstevel@tonic-gate free(link_list); 62647c478bd9Sstevel@tonic-gate error_str = "unrecognized escape sequence"; 62657c478bd9Sstevel@tonic-gate break; 62667c478bd9Sstevel@tonic-gate } 62677c478bd9Sstevel@tonic-gate if (*(link++) != 'D') { 62687c478bd9Sstevel@tonic-gate if (isdigit(*link) == FALSE) { 62697c478bd9Sstevel@tonic-gate error_str = "escape sequence must be " 62707c478bd9Sstevel@tonic-gate "followed by a digit\n"; 62717c478bd9Sstevel@tonic-gate error = TRUE; 62727c478bd9Sstevel@tonic-gate free(link_list); 62737c478bd9Sstevel@tonic-gate } else { 62747c478bd9Sstevel@tonic-gate link_list->arg = 62757c478bd9Sstevel@tonic-gate (int)strtoul(link, &link, 10); 62767c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "link_list->arg = " 62777c478bd9Sstevel@tonic-gate "%d\n", link_list->arg); 62787c478bd9Sstevel@tonic-gate } 62797c478bd9Sstevel@tonic-gate } 62807c478bd9Sstevel@tonic-gate } 62817c478bd9Sstevel@tonic-gate /* append link_list struct to end of list */ 62827c478bd9Sstevel@tonic-gate if (error == FALSE) { 62837c478bd9Sstevel@tonic-gate for (ptr = &head; *ptr != NULL; ptr = &((*ptr)->next)); 62847c478bd9Sstevel@tonic-gate *ptr = link_list; 62857c478bd9Sstevel@tonic-gate } 62867c478bd9Sstevel@tonic-gate } 62877c478bd9Sstevel@tonic-gate 62887c478bd9Sstevel@tonic-gate if (error == FALSE) { 62897c478bd9Sstevel@tonic-gate return (head); 62907c478bd9Sstevel@tonic-gate } else { 62917c478bd9Sstevel@tonic-gate err_print(CONFIG_INCORRECT, devlinktab_line, devlinktab_file, 62927c478bd9Sstevel@tonic-gate error_str); 62937c478bd9Sstevel@tonic-gate free_link_list(head); 62947c478bd9Sstevel@tonic-gate return (NULL); 62957c478bd9Sstevel@tonic-gate } 62967c478bd9Sstevel@tonic-gate } 62977c478bd9Sstevel@tonic-gate 62987c478bd9Sstevel@tonic-gate /* 62997c478bd9Sstevel@tonic-gate * Called for each minor node devfsadm processes; for each minor node, 63007c478bd9Sstevel@tonic-gate * look for matches in the devlinktab_list list which was created on 63017c478bd9Sstevel@tonic-gate * startup read_devlinktab_file(). If there is a match, call build_links() 63027c478bd9Sstevel@tonic-gate * to build a logical devlink and a possible extra devlink. 63037c478bd9Sstevel@tonic-gate */ 63047c478bd9Sstevel@tonic-gate static int 63057c478bd9Sstevel@tonic-gate process_devlink_compat(di_minor_t minor, di_node_t node) 63067c478bd9Sstevel@tonic-gate { 63077c478bd9Sstevel@tonic-gate int link_built = FALSE; 63087c478bd9Sstevel@tonic-gate devlinktab_list_t *entry; 63097c478bd9Sstevel@tonic-gate char *nodetype; 63107c478bd9Sstevel@tonic-gate char *dev_path; 63117c478bd9Sstevel@tonic-gate 63127c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 63137c478bd9Sstevel@tonic-gate nodetype = di_minor_nodetype(minor); 63147c478bd9Sstevel@tonic-gate assert(nodetype != NULL); 63157c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) != NULL) { 63167c478bd9Sstevel@tonic-gate vprint(INFO_MID, "'%s' entry: %s:%s\n", nodetype, 63177c478bd9Sstevel@tonic-gate dev_path, 63187c478bd9Sstevel@tonic-gate di_minor_name(minor) ? di_minor_name(minor) : 63197c478bd9Sstevel@tonic-gate ""); 63207c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 63217c478bd9Sstevel@tonic-gate } 63227c478bd9Sstevel@tonic-gate 63237c478bd9Sstevel@tonic-gate } 63247c478bd9Sstevel@tonic-gate 63257c478bd9Sstevel@tonic-gate 63267c478bd9Sstevel@tonic-gate /* don't process devlink.tab if devfsadm invoked with -c <class> */ 63277c478bd9Sstevel@tonic-gate if (num_classes > 0) { 63287c478bd9Sstevel@tonic-gate return (FALSE); 63297c478bd9Sstevel@tonic-gate } 63307c478bd9Sstevel@tonic-gate 63317c478bd9Sstevel@tonic-gate for (entry = devlinktab_list; entry != NULL; entry = entry->next) { 63327c478bd9Sstevel@tonic-gate if (devlink_matches(entry, minor, node) == DEVFSADM_SUCCESS) { 63337c478bd9Sstevel@tonic-gate link_built = TRUE; 63347c478bd9Sstevel@tonic-gate (void) build_links(entry, minor, node); 63357c478bd9Sstevel@tonic-gate } 63367c478bd9Sstevel@tonic-gate } 63377c478bd9Sstevel@tonic-gate return (link_built); 63387c478bd9Sstevel@tonic-gate } 63397c478bd9Sstevel@tonic-gate 63407c478bd9Sstevel@tonic-gate /* 63417c478bd9Sstevel@tonic-gate * For a given devlink.tab devlinktab_list entry, see if the selector 63427c478bd9Sstevel@tonic-gate * field matches this minor node. If it does, return DEVFSADM_SUCCESS, 63437c478bd9Sstevel@tonic-gate * otherwise DEVFSADM_FAILURE. 63447c478bd9Sstevel@tonic-gate */ 63457c478bd9Sstevel@tonic-gate static int 63467c478bd9Sstevel@tonic-gate devlink_matches(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 63477c478bd9Sstevel@tonic-gate { 63487c478bd9Sstevel@tonic-gate selector_list_t *selector = entry->selector; 63497c478bd9Sstevel@tonic-gate char *addr; 63507c478bd9Sstevel@tonic-gate char *minor_name; 63517c478bd9Sstevel@tonic-gate char *node_type; 63527c478bd9Sstevel@tonic-gate 63537c478bd9Sstevel@tonic-gate for (; selector != NULL; selector = selector->next) { 63547c478bd9Sstevel@tonic-gate switch (selector->key) { 63557c478bd9Sstevel@tonic-gate case NAME: 63567c478bd9Sstevel@tonic-gate if (strcmp(di_node_name(node), selector->val) != 0) { 63577c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63587c478bd9Sstevel@tonic-gate } 63597c478bd9Sstevel@tonic-gate break; 63607c478bd9Sstevel@tonic-gate case TYPE: 63617c478bd9Sstevel@tonic-gate node_type = di_minor_nodetype(minor); 63627c478bd9Sstevel@tonic-gate assert(node_type != NULL); 63637c478bd9Sstevel@tonic-gate if (strcmp(node_type, selector->val) != 0) { 63647c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63657c478bd9Sstevel@tonic-gate } 63667c478bd9Sstevel@tonic-gate break; 63677c478bd9Sstevel@tonic-gate case ADDR: 63687c478bd9Sstevel@tonic-gate if ((addr = di_bus_addr(node)) == NULL) { 63697c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63707c478bd9Sstevel@tonic-gate } 63717c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 63727c478bd9Sstevel@tonic-gate if (strcmp(addr, selector->val) != 0) { 63737c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63747c478bd9Sstevel@tonic-gate } 63757c478bd9Sstevel@tonic-gate } else { 63767c478bd9Sstevel@tonic-gate if (compare_field(addr, selector->val, 63777c478bd9Sstevel@tonic-gate selector->arg) == DEVFSADM_FAILURE) { 63787c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63797c478bd9Sstevel@tonic-gate } 63807c478bd9Sstevel@tonic-gate } 63817c478bd9Sstevel@tonic-gate break; 63827c478bd9Sstevel@tonic-gate case MINOR: 63837c478bd9Sstevel@tonic-gate if ((minor_name = di_minor_name(minor)) == NULL) { 63847c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63857c478bd9Sstevel@tonic-gate } 63867c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 63877c478bd9Sstevel@tonic-gate if (strcmp(minor_name, selector->val) != 0) { 63887c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63897c478bd9Sstevel@tonic-gate } 63907c478bd9Sstevel@tonic-gate } else { 63917c478bd9Sstevel@tonic-gate if (compare_field(minor_name, selector->val, 63927c478bd9Sstevel@tonic-gate selector->arg) == DEVFSADM_FAILURE) { 63937c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63947c478bd9Sstevel@tonic-gate } 63957c478bd9Sstevel@tonic-gate } 63967c478bd9Sstevel@tonic-gate break; 63977c478bd9Sstevel@tonic-gate default: 63987c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63997c478bd9Sstevel@tonic-gate } 64007c478bd9Sstevel@tonic-gate } 64017c478bd9Sstevel@tonic-gate 64027c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 64037c478bd9Sstevel@tonic-gate } 64047c478bd9Sstevel@tonic-gate 64057c478bd9Sstevel@tonic-gate /* 64067c478bd9Sstevel@tonic-gate * For the given minor node and devlinktab_list entry from devlink.tab, 64077c478bd9Sstevel@tonic-gate * build a logical dev link and a possible extra devlink. 64087c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS if link is created, otherwise DEVFSADM_FAILURE. 64097c478bd9Sstevel@tonic-gate */ 64107c478bd9Sstevel@tonic-gate static int 64117c478bd9Sstevel@tonic-gate build_links(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 64127c478bd9Sstevel@tonic-gate { 64137c478bd9Sstevel@tonic-gate char secondary_link[PATH_MAX + 1]; 64147c478bd9Sstevel@tonic-gate char primary_link[PATH_MAX + 1]; 64157c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 64167c478bd9Sstevel@tonic-gate char *dev_path; 64177c478bd9Sstevel@tonic-gate 64187c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 64197c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 64207c478bd9Sstevel@tonic-gate devfsadm_exit(1); 64217c478bd9Sstevel@tonic-gate } 64227c478bd9Sstevel@tonic-gate (void) strcpy(contents, dev_path); 64237c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 64247c478bd9Sstevel@tonic-gate 64257c478bd9Sstevel@tonic-gate (void) strcat(contents, ":"); 64267c478bd9Sstevel@tonic-gate (void) strcat(contents, di_minor_name(minor)); 64277c478bd9Sstevel@tonic-gate 64287c478bd9Sstevel@tonic-gate if (construct_devlink(primary_link, entry->p_link, contents, 64297c478bd9Sstevel@tonic-gate minor, node, 64307c478bd9Sstevel@tonic-gate entry->p_link_pattern) == DEVFSADM_FAILURE) { 64317c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 64327c478bd9Sstevel@tonic-gate } 64337c478bd9Sstevel@tonic-gate (void) devfsadm_mklink(primary_link, node, minor, 0); 64347c478bd9Sstevel@tonic-gate 64357c478bd9Sstevel@tonic-gate if (entry->s_link == NULL) { 64367c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 64377c478bd9Sstevel@tonic-gate } 64387c478bd9Sstevel@tonic-gate 64397c478bd9Sstevel@tonic-gate if (construct_devlink(secondary_link, entry->s_link, 64407c478bd9Sstevel@tonic-gate primary_link, minor, node, 64417c478bd9Sstevel@tonic-gate entry->s_link_pattern) == DEVFSADM_FAILURE) { 64427c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 64437c478bd9Sstevel@tonic-gate } 64447c478bd9Sstevel@tonic-gate 64457c478bd9Sstevel@tonic-gate (void) devfsadm_secondary_link(secondary_link, primary_link, 0); 64467c478bd9Sstevel@tonic-gate 64477c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 64487c478bd9Sstevel@tonic-gate } 64497c478bd9Sstevel@tonic-gate 64507c478bd9Sstevel@tonic-gate /* 64517c478bd9Sstevel@tonic-gate * The counter rule for devlink.tab entries is implemented via 64527c478bd9Sstevel@tonic-gate * devfsadm_enumerate_int_start(). One of the arguments to this function 64537c478bd9Sstevel@tonic-gate * is a path, where each path component is treated as a regular expression. 64547c478bd9Sstevel@tonic-gate * For devlink.tab entries, this path regular expression is derived from 64557c478bd9Sstevel@tonic-gate * the devlink spec. get_anchored_re() accepts path regular expressions derived 64567c478bd9Sstevel@tonic-gate * from devlink.tab entries and inserts the anchors '^' and '$' at the beginning 64577c478bd9Sstevel@tonic-gate * and end respectively of each path component. This is done to prevent 64587c478bd9Sstevel@tonic-gate * false matches. For example, without anchors, "a/([0-9]+)" will match "ab/c9" 64597c478bd9Sstevel@tonic-gate * and incorrect links will be generated. 64607c478bd9Sstevel@tonic-gate */ 64617c478bd9Sstevel@tonic-gate static int 64627c478bd9Sstevel@tonic-gate get_anchored_re(char *link, char *anchored_re, char *pattern) 64637c478bd9Sstevel@tonic-gate { 64647c478bd9Sstevel@tonic-gate if (*link == '/' || *link == '\0') { 64657c478bd9Sstevel@tonic-gate err_print(INVALID_DEVLINK_SPEC, pattern); 64667c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 64677c478bd9Sstevel@tonic-gate } 64687c478bd9Sstevel@tonic-gate 64697c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 64707c478bd9Sstevel@tonic-gate for (; *link != '\0'; ) { 64717c478bd9Sstevel@tonic-gate if (*link == '/') { 64727c478bd9Sstevel@tonic-gate while (*link == '/') 64737c478bd9Sstevel@tonic-gate link++; 64747c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 64757c478bd9Sstevel@tonic-gate *anchored_re++ = '/'; 64767c478bd9Sstevel@tonic-gate if (*link != '\0') { 64777c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 64787c478bd9Sstevel@tonic-gate } 64797c478bd9Sstevel@tonic-gate } else { 64807c478bd9Sstevel@tonic-gate *anchored_re++ = *link++; 64817c478bd9Sstevel@tonic-gate if (*link == '\0') { 64827c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 64837c478bd9Sstevel@tonic-gate } 64847c478bd9Sstevel@tonic-gate } 64857c478bd9Sstevel@tonic-gate } 64867c478bd9Sstevel@tonic-gate *anchored_re = '\0'; 64877c478bd9Sstevel@tonic-gate 64887c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 64897c478bd9Sstevel@tonic-gate } 64907c478bd9Sstevel@tonic-gate 64917c478bd9Sstevel@tonic-gate static int 64927c478bd9Sstevel@tonic-gate construct_devlink(char *link, link_list_t *link_build, char *contents, 64937c478bd9Sstevel@tonic-gate di_minor_t minor, di_node_t node, char *pattern) 64947c478bd9Sstevel@tonic-gate { 64957c478bd9Sstevel@tonic-gate int counter_offset = -1; 64967c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[1] = {NULL}; 64977c478bd9Sstevel@tonic-gate char templink[PATH_MAX + 1]; 64987c478bd9Sstevel@tonic-gate char *buff; 64997c478bd9Sstevel@tonic-gate char start[10]; 65007c478bd9Sstevel@tonic-gate char *node_path; 65017c478bd9Sstevel@tonic-gate char anchored_re[PATH_MAX + 1]; 65027c478bd9Sstevel@tonic-gate 65037c478bd9Sstevel@tonic-gate link[0] = '\0'; 65047c478bd9Sstevel@tonic-gate 65057c478bd9Sstevel@tonic-gate for (; link_build != NULL; link_build = link_build->next) { 65067c478bd9Sstevel@tonic-gate switch (link_build->type) { 65077c478bd9Sstevel@tonic-gate case NAME: 65087c478bd9Sstevel@tonic-gate (void) strcat(link, di_node_name(node)); 65097c478bd9Sstevel@tonic-gate break; 65107c478bd9Sstevel@tonic-gate case CONSTANT: 65117c478bd9Sstevel@tonic-gate (void) strcat(link, link_build->constant); 65127c478bd9Sstevel@tonic-gate break; 65137c478bd9Sstevel@tonic-gate case ADDR: 65147c478bd9Sstevel@tonic-gate if (component_cat(link, di_bus_addr(node), 65157c478bd9Sstevel@tonic-gate link_build->arg) == DEVFSADM_FAILURE) { 65167c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 65177c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 65187c478bd9Sstevel@tonic-gate di_minor_name(minor)); 65197c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 65207c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65217c478bd9Sstevel@tonic-gate } 65227c478bd9Sstevel@tonic-gate break; 65237c478bd9Sstevel@tonic-gate case MINOR: 65247c478bd9Sstevel@tonic-gate if (component_cat(link, di_minor_name(minor), 65257c478bd9Sstevel@tonic-gate link_build->arg) == DEVFSADM_FAILURE) { 65267c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 65277c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 65287c478bd9Sstevel@tonic-gate di_minor_name(minor)); 65297c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 65307c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65317c478bd9Sstevel@tonic-gate } 65327c478bd9Sstevel@tonic-gate break; 65337c478bd9Sstevel@tonic-gate case COUNTER: 65347c478bd9Sstevel@tonic-gate counter_offset = strlen(link); 65357c478bd9Sstevel@tonic-gate (void) strcat(link, "([0-9]+)"); 65367c478bd9Sstevel@tonic-gate (void) sprintf(start, "%d", link_build->arg); 65377c478bd9Sstevel@tonic-gate break; 65387c478bd9Sstevel@tonic-gate default: 65397c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65407c478bd9Sstevel@tonic-gate } 65417c478bd9Sstevel@tonic-gate } 65427c478bd9Sstevel@tonic-gate 65437c478bd9Sstevel@tonic-gate if (counter_offset != -1) { 65447c478bd9Sstevel@tonic-gate /* 65457c478bd9Sstevel@tonic-gate * copy anything appended after "([0-9]+)" into 65467c478bd9Sstevel@tonic-gate * templink 65477c478bd9Sstevel@tonic-gate */ 65487c478bd9Sstevel@tonic-gate 65497c478bd9Sstevel@tonic-gate (void) strcpy(templink, 65507c478bd9Sstevel@tonic-gate &link[counter_offset + strlen("([0-9]+)")]); 65517c478bd9Sstevel@tonic-gate if (get_anchored_re(link, anchored_re, pattern) 65527c478bd9Sstevel@tonic-gate != DEVFSADM_SUCCESS) { 65537c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65547c478bd9Sstevel@tonic-gate } 65557c478bd9Sstevel@tonic-gate rules[0].re = anchored_re; 65567c478bd9Sstevel@tonic-gate rules[0].subexp = 1; 65577c478bd9Sstevel@tonic-gate rules[0].flags = MATCH_ALL; 65587c478bd9Sstevel@tonic-gate if (devfsadm_enumerate_int_start(contents, 0, &buff, 65597c478bd9Sstevel@tonic-gate rules, 1, start) == DEVFSADM_FAILURE) { 65607c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65617c478bd9Sstevel@tonic-gate } 65627c478bd9Sstevel@tonic-gate (void) strcpy(&link[counter_offset], buff); 65637c478bd9Sstevel@tonic-gate free(buff); 65647c478bd9Sstevel@tonic-gate (void) strcat(link, templink); 65657c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "COUNTER is %s\n", link); 65667c478bd9Sstevel@tonic-gate } 65677c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 65687c478bd9Sstevel@tonic-gate } 65697c478bd9Sstevel@tonic-gate 65707c478bd9Sstevel@tonic-gate /* 65717c478bd9Sstevel@tonic-gate * Compares "field" number of the comma separated list "full_name" with 65727c478bd9Sstevel@tonic-gate * field_item. Returns DEVFSADM_SUCCESS for match, 65737c478bd9Sstevel@tonic-gate * DEVFSADM_FAILURE for no match. 65747c478bd9Sstevel@tonic-gate */ 65757c478bd9Sstevel@tonic-gate static int 65767c478bd9Sstevel@tonic-gate compare_field(char *full_name, char *field_item, int field) 65777c478bd9Sstevel@tonic-gate { 65787c478bd9Sstevel@tonic-gate --field; 65797c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (field != 0)) { 65807c478bd9Sstevel@tonic-gate if (*(full_name++) == ',') { 65817c478bd9Sstevel@tonic-gate field--; 65827c478bd9Sstevel@tonic-gate } 65837c478bd9Sstevel@tonic-gate } 65847c478bd9Sstevel@tonic-gate 65857c478bd9Sstevel@tonic-gate if (field != 0) { 65867c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65877c478bd9Sstevel@tonic-gate } 65887c478bd9Sstevel@tonic-gate 65897c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (*field_item != '\0') && 65907c478bd9Sstevel@tonic-gate (*full_name != ',')) { 65917c478bd9Sstevel@tonic-gate if (*(full_name++) != *(field_item++)) { 65927c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65937c478bd9Sstevel@tonic-gate } 65947c478bd9Sstevel@tonic-gate } 65957c478bd9Sstevel@tonic-gate 65967c478bd9Sstevel@tonic-gate if (*field_item != '\0') { 65977c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65987c478bd9Sstevel@tonic-gate } 65997c478bd9Sstevel@tonic-gate 66007c478bd9Sstevel@tonic-gate if ((*full_name == '\0') || (*full_name == ',')) 66017c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 66027c478bd9Sstevel@tonic-gate 66037c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 66047c478bd9Sstevel@tonic-gate } 66057c478bd9Sstevel@tonic-gate 66067c478bd9Sstevel@tonic-gate /* 66077c478bd9Sstevel@tonic-gate * strcat() field # "field" of comma separated list "name" to "link". 66087c478bd9Sstevel@tonic-gate * Field 0 is the entire name. 66097c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS or DEVFSADM_FAILURE. 66107c478bd9Sstevel@tonic-gate */ 66117c478bd9Sstevel@tonic-gate static int 66127c478bd9Sstevel@tonic-gate component_cat(char *link, char *name, int field) 66137c478bd9Sstevel@tonic-gate { 66147c478bd9Sstevel@tonic-gate 66157c478bd9Sstevel@tonic-gate if (name == NULL) { 66167c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 66177c478bd9Sstevel@tonic-gate } 66187c478bd9Sstevel@tonic-gate 66197c478bd9Sstevel@tonic-gate if (field == 0) { 66207c478bd9Sstevel@tonic-gate (void) strcat(link, name); 66217c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 66227c478bd9Sstevel@tonic-gate } 66237c478bd9Sstevel@tonic-gate 66247c478bd9Sstevel@tonic-gate while (*link != '\0') { 66257c478bd9Sstevel@tonic-gate link++; 66267c478bd9Sstevel@tonic-gate } 66277c478bd9Sstevel@tonic-gate 66287c478bd9Sstevel@tonic-gate --field; 66297c478bd9Sstevel@tonic-gate while ((*name != '\0') && (field != 0)) { 66307c478bd9Sstevel@tonic-gate if (*(name++) == ',') { 66317c478bd9Sstevel@tonic-gate --field; 66327c478bd9Sstevel@tonic-gate } 66337c478bd9Sstevel@tonic-gate } 66347c478bd9Sstevel@tonic-gate 66357c478bd9Sstevel@tonic-gate if (field != 0) { 66367c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 66377c478bd9Sstevel@tonic-gate } 66387c478bd9Sstevel@tonic-gate 66397c478bd9Sstevel@tonic-gate while ((*name != '\0') && (*name != ',')) { 66407c478bd9Sstevel@tonic-gate *(link++) = *(name++); 66417c478bd9Sstevel@tonic-gate } 66427c478bd9Sstevel@tonic-gate 66437c478bd9Sstevel@tonic-gate *link = '\0'; 66447c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 66457c478bd9Sstevel@tonic-gate } 66467c478bd9Sstevel@tonic-gate 66477c478bd9Sstevel@tonic-gate static void 66487c478bd9Sstevel@tonic-gate free_selector_list(selector_list_t *head) 66497c478bd9Sstevel@tonic-gate { 66507c478bd9Sstevel@tonic-gate selector_list_t *temp; 66517c478bd9Sstevel@tonic-gate 66527c478bd9Sstevel@tonic-gate while (head != NULL) { 66537c478bd9Sstevel@tonic-gate temp = head; 66547c478bd9Sstevel@tonic-gate head = head->next; 66557c478bd9Sstevel@tonic-gate free(temp->val); 66567c478bd9Sstevel@tonic-gate free(temp); 66577c478bd9Sstevel@tonic-gate } 66587c478bd9Sstevel@tonic-gate } 66597c478bd9Sstevel@tonic-gate 66607c478bd9Sstevel@tonic-gate static void 66617c478bd9Sstevel@tonic-gate free_link_list(link_list_t *head) 66627c478bd9Sstevel@tonic-gate { 66637c478bd9Sstevel@tonic-gate link_list_t *temp; 66647c478bd9Sstevel@tonic-gate 66657c478bd9Sstevel@tonic-gate while (head != NULL) { 66667c478bd9Sstevel@tonic-gate temp = head; 66677c478bd9Sstevel@tonic-gate head = head->next; 66687c478bd9Sstevel@tonic-gate if (temp->type == CONSTANT) { 66697c478bd9Sstevel@tonic-gate free(temp->constant); 66707c478bd9Sstevel@tonic-gate } 66717c478bd9Sstevel@tonic-gate free(temp); 66727c478bd9Sstevel@tonic-gate } 66737c478bd9Sstevel@tonic-gate } 66747c478bd9Sstevel@tonic-gate 66757c478bd9Sstevel@tonic-gate /* 66767c478bd9Sstevel@tonic-gate * Prints only if level matches one of the debug levels 66777c478bd9Sstevel@tonic-gate * given on command line. INFO_MID is always printed. 66787c478bd9Sstevel@tonic-gate * 66797c478bd9Sstevel@tonic-gate * See devfsadm.h for a listing of globally defined levels and 66807c478bd9Sstevel@tonic-gate * meanings. Modules should prefix the level with their 66817c478bd9Sstevel@tonic-gate * module name to prevent collisions. 66827c478bd9Sstevel@tonic-gate */ 66837c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 66847c478bd9Sstevel@tonic-gate void 66857c478bd9Sstevel@tonic-gate devfsadm_print(char *msgid, char *message, ...) 66867c478bd9Sstevel@tonic-gate { 66877c478bd9Sstevel@tonic-gate va_list ap; 66887c478bd9Sstevel@tonic-gate static int newline = TRUE; 66897c478bd9Sstevel@tonic-gate int x; 66907c478bd9Sstevel@tonic-gate 66917c478bd9Sstevel@tonic-gate if (msgid != NULL) { 66927c478bd9Sstevel@tonic-gate for (x = 0; x < num_verbose; x++) { 66937c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], msgid) == 0) { 66947c478bd9Sstevel@tonic-gate break; 66957c478bd9Sstevel@tonic-gate } 66967c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], ALL_MID) == 0) { 66977c478bd9Sstevel@tonic-gate break; 66987c478bd9Sstevel@tonic-gate } 66997c478bd9Sstevel@tonic-gate } 67007c478bd9Sstevel@tonic-gate if (x == num_verbose) { 67017c478bd9Sstevel@tonic-gate return; 67027c478bd9Sstevel@tonic-gate } 67037c478bd9Sstevel@tonic-gate } 67047c478bd9Sstevel@tonic-gate 67057c478bd9Sstevel@tonic-gate va_start(ap, message); 67067c478bd9Sstevel@tonic-gate 67077c478bd9Sstevel@tonic-gate if (msgid == NULL) { 67087c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 67097c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_NOTICE, message, ap); 67107c478bd9Sstevel@tonic-gate } else { 67117c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 67127c478bd9Sstevel@tonic-gate } 67137c478bd9Sstevel@tonic-gate 67147c478bd9Sstevel@tonic-gate } else { 67157c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 67167c478bd9Sstevel@tonic-gate (void) syslog(LOG_DEBUG, "%s[%ld]: %s: ", 67177c478bd9Sstevel@tonic-gate prog, getpid(), msgid); 67187c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_DEBUG, message, ap); 67197c478bd9Sstevel@tonic-gate } else { 67207c478bd9Sstevel@tonic-gate if (newline == TRUE) { 67217c478bd9Sstevel@tonic-gate (void) fprintf(stdout, "%s[%ld]: %s: ", 67227c478bd9Sstevel@tonic-gate prog, getpid(), msgid); 67237c478bd9Sstevel@tonic-gate } 67247c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 67257c478bd9Sstevel@tonic-gate } 67267c478bd9Sstevel@tonic-gate } 67277c478bd9Sstevel@tonic-gate 67287c478bd9Sstevel@tonic-gate if (message[strlen(message) - 1] == '\n') { 67297c478bd9Sstevel@tonic-gate newline = TRUE; 67307c478bd9Sstevel@tonic-gate } else { 67317c478bd9Sstevel@tonic-gate newline = FALSE; 67327c478bd9Sstevel@tonic-gate } 67337c478bd9Sstevel@tonic-gate va_end(ap); 67347c478bd9Sstevel@tonic-gate } 67357c478bd9Sstevel@tonic-gate 67367c478bd9Sstevel@tonic-gate /* 67377c478bd9Sstevel@tonic-gate * print error messages to the terminal or to syslog 67387c478bd9Sstevel@tonic-gate */ 67397c478bd9Sstevel@tonic-gate /*PRINTFLIKE1*/ 67407c478bd9Sstevel@tonic-gate void 67417c478bd9Sstevel@tonic-gate devfsadm_errprint(char *message, ...) 67427c478bd9Sstevel@tonic-gate { 67437c478bd9Sstevel@tonic-gate va_list ap; 67447c478bd9Sstevel@tonic-gate 67457c478bd9Sstevel@tonic-gate va_start(ap, message); 67467c478bd9Sstevel@tonic-gate 67477c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 67487c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_ERR, message, ap); 67497c478bd9Sstevel@tonic-gate } else { 67507c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s: ", prog); 67517c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, message, ap); 67527c478bd9Sstevel@tonic-gate } 67537c478bd9Sstevel@tonic-gate va_end(ap); 67547c478bd9Sstevel@tonic-gate } 67557c478bd9Sstevel@tonic-gate 67567c478bd9Sstevel@tonic-gate /* 67577c478bd9Sstevel@tonic-gate * return noupdate state (-s) 67587c478bd9Sstevel@tonic-gate */ 67597c478bd9Sstevel@tonic-gate int 67607c478bd9Sstevel@tonic-gate devfsadm_noupdate(void) 67617c478bd9Sstevel@tonic-gate { 67627c478bd9Sstevel@tonic-gate return (file_mods == TRUE ? DEVFSADM_TRUE : DEVFSADM_FALSE); 67637c478bd9Sstevel@tonic-gate } 67647c478bd9Sstevel@tonic-gate 67657c478bd9Sstevel@tonic-gate /* 67667c478bd9Sstevel@tonic-gate * return current root update path (-r) 67677c478bd9Sstevel@tonic-gate */ 67687c478bd9Sstevel@tonic-gate const char * 67697c478bd9Sstevel@tonic-gate devfsadm_root_path(void) 67707c478bd9Sstevel@tonic-gate { 67717c478bd9Sstevel@tonic-gate if (root_dir[0] == '\0') { 67727c478bd9Sstevel@tonic-gate return ("/"); 67737c478bd9Sstevel@tonic-gate } else { 67747c478bd9Sstevel@tonic-gate return ((const char *)root_dir); 67757c478bd9Sstevel@tonic-gate } 67767c478bd9Sstevel@tonic-gate } 67777c478bd9Sstevel@tonic-gate 67787c478bd9Sstevel@tonic-gate /* common exit function which ensures releasing locks */ 67797c478bd9Sstevel@tonic-gate static void 67807c478bd9Sstevel@tonic-gate devfsadm_exit(int status) 67817c478bd9Sstevel@tonic-gate { 67827c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON) { 67837c478bd9Sstevel@tonic-gate vprint(INFO_MID, "exit status = %d\n", status); 67847c478bd9Sstevel@tonic-gate } 67857c478bd9Sstevel@tonic-gate 67867c478bd9Sstevel@tonic-gate if (rcm_hdl) { 67877c478bd9Sstevel@tonic-gate if (thr_self() != process_rcm_events_tid) { 67887c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 67897c478bd9Sstevel@tonic-gate need_to_exit_rcm_event_thread = 1; 67907c478bd9Sstevel@tonic-gate (void) cond_broadcast(&rcm_eventq_cv); 67917c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 67927c478bd9Sstevel@tonic-gate 67937c478bd9Sstevel@tonic-gate /* wait until process_rcm_events() thread exits */ 67947c478bd9Sstevel@tonic-gate (void) thr_join(process_rcm_events_tid, NULL, NULL); 67957c478bd9Sstevel@tonic-gate } 67967c478bd9Sstevel@tonic-gate librcm_free_handle(rcm_hdl); 67977c478bd9Sstevel@tonic-gate (void) dlclose(librcm_hdl); 67987c478bd9Sstevel@tonic-gate } 67997c478bd9Sstevel@tonic-gate 68007c478bd9Sstevel@tonic-gate zlist_deleteall_unlocked(); /* dispose of all zones */ 68017c478bd9Sstevel@tonic-gate 68027c478bd9Sstevel@tonic-gate exit_dev_lock(); 68037c478bd9Sstevel@tonic-gate exit_daemon_lock(); 68047c478bd9Sstevel@tonic-gate 68057c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 68067c478bd9Sstevel@tonic-gate closelog(); 68077c478bd9Sstevel@tonic-gate } 68087c478bd9Sstevel@tonic-gate 68097c478bd9Sstevel@tonic-gate exit(status); 68107c478bd9Sstevel@tonic-gate } 68117c478bd9Sstevel@tonic-gate 68127c478bd9Sstevel@tonic-gate /* 68137c478bd9Sstevel@tonic-gate * set root_dir, devices_dir, dev_dir using optarg. zone_mode determines 68147c478bd9Sstevel@tonic-gate * whether we're operating on behalf of a zone; in this case, we need to 68157c478bd9Sstevel@tonic-gate * reference some things from the global zone. Note that zone mode and 68167c478bd9Sstevel@tonic-gate * -R don't get along, but that should be OK since zone mode is not 68177c478bd9Sstevel@tonic-gate * a public interface. 68187c478bd9Sstevel@tonic-gate */ 68197c478bd9Sstevel@tonic-gate static void 68207c478bd9Sstevel@tonic-gate set_root_devices_dev_dir(char *dir, int zone_mode) 68217c478bd9Sstevel@tonic-gate { 68227c478bd9Sstevel@tonic-gate size_t len; 68237c478bd9Sstevel@tonic-gate 68247c478bd9Sstevel@tonic-gate root_dir = s_strdup(dir); 68257c478bd9Sstevel@tonic-gate len = strlen(dir) + strlen(DEVICES) + 1; 68267c478bd9Sstevel@tonic-gate devices_dir = s_malloc(len); 68277c478bd9Sstevel@tonic-gate (void) snprintf(devices_dir, len, "%s%s", root_dir, DEVICES); 68287c478bd9Sstevel@tonic-gate len = strlen(root_dir) + strlen(DEV) + 1; 68297c478bd9Sstevel@tonic-gate dev_dir = s_malloc(len); 68307c478bd9Sstevel@tonic-gate (void) snprintf(dev_dir, len, "%s%s", root_dir, DEV); 68317c478bd9Sstevel@tonic-gate if (zone_mode) { 68327c478bd9Sstevel@tonic-gate len = strlen(DEV) + 1; 68337c478bd9Sstevel@tonic-gate global_dev_dir = s_malloc(len); 68347c478bd9Sstevel@tonic-gate (void) snprintf(global_dev_dir, len, "%s", DEV); 68357c478bd9Sstevel@tonic-gate } else { 68367c478bd9Sstevel@tonic-gate global_dev_dir = s_malloc(len); 68377c478bd9Sstevel@tonic-gate (void) snprintf(global_dev_dir, len, "%s%s", root_dir, DEV); 68387c478bd9Sstevel@tonic-gate } 68397c478bd9Sstevel@tonic-gate } 68407c478bd9Sstevel@tonic-gate 68417c478bd9Sstevel@tonic-gate /* 68427c478bd9Sstevel@tonic-gate * Removes quotes. 68437c478bd9Sstevel@tonic-gate */ 68447c478bd9Sstevel@tonic-gate static char * 68457c478bd9Sstevel@tonic-gate dequote(char *src) 68467c478bd9Sstevel@tonic-gate { 68477c478bd9Sstevel@tonic-gate char *dst; 68487c478bd9Sstevel@tonic-gate int len; 68497c478bd9Sstevel@tonic-gate 68507c478bd9Sstevel@tonic-gate len = strlen(src); 68517c478bd9Sstevel@tonic-gate dst = s_malloc(len + 1); 68527c478bd9Sstevel@tonic-gate if (src[0] == '\"' && src[len - 1] == '\"') { 68537c478bd9Sstevel@tonic-gate len -= 2; 68547c478bd9Sstevel@tonic-gate (void) strncpy(dst, &src[1], len); 68557c478bd9Sstevel@tonic-gate dst[len] = '\0'; 68567c478bd9Sstevel@tonic-gate } else { 68577c478bd9Sstevel@tonic-gate (void) strcpy(dst, src); 68587c478bd9Sstevel@tonic-gate } 68597c478bd9Sstevel@tonic-gate return (dst); 68607c478bd9Sstevel@tonic-gate } 68617c478bd9Sstevel@tonic-gate 68627c478bd9Sstevel@tonic-gate /* 68637c478bd9Sstevel@tonic-gate * For a given physical device pathname and spectype, return the 68647c478bd9Sstevel@tonic-gate * ownership and permissions attributes by looking in data from 68657c478bd9Sstevel@tonic-gate * /etc/minor_perm. If currently in installation mode, check for 68667c478bd9Sstevel@tonic-gate * possible major number translations from the miniroot to the installed 68677c478bd9Sstevel@tonic-gate * root's name_to_major table. Note that there can be multiple matches, 68687c478bd9Sstevel@tonic-gate * but the last match takes effect. pts seems to rely on this 68697c478bd9Sstevel@tonic-gate * implementation behavior. 68707c478bd9Sstevel@tonic-gate */ 68717c478bd9Sstevel@tonic-gate static void 68727c478bd9Sstevel@tonic-gate getattr(char *phy_path, char *aminor, int spectype, dev_t dev, mode_t *mode, 68737c478bd9Sstevel@tonic-gate uid_t *uid, gid_t *gid) 68747c478bd9Sstevel@tonic-gate { 68757c478bd9Sstevel@tonic-gate char devname[PATH_MAX + 1]; 68767c478bd9Sstevel@tonic-gate char *node_name; 68777c478bd9Sstevel@tonic-gate char *minor_name; 68787c478bd9Sstevel@tonic-gate int match = FALSE; 68797c478bd9Sstevel@tonic-gate int is_clone; 68807c478bd9Sstevel@tonic-gate int mp_drvname_matches_node_name; 68817c478bd9Sstevel@tonic-gate int mp_drvname_matches_minor_name; 68827c478bd9Sstevel@tonic-gate int mp_drvname_is_clone; 68837c478bd9Sstevel@tonic-gate int mp_drvname_matches_drvname; 68847c478bd9Sstevel@tonic-gate struct mperm *mp; 68857c478bd9Sstevel@tonic-gate major_t major_no; 68867c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 68877c478bd9Sstevel@tonic-gate 68887c478bd9Sstevel@tonic-gate /* 68897c478bd9Sstevel@tonic-gate * Get the driver name based on the major number since the name 68907c478bd9Sstevel@tonic-gate * in /devices may be generic. Could be running with more major 68917c478bd9Sstevel@tonic-gate * numbers than are in /etc/name_to_major, so get it from the kernel 68927c478bd9Sstevel@tonic-gate */ 68937c478bd9Sstevel@tonic-gate major_no = major(dev); 68947c478bd9Sstevel@tonic-gate 68957c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, driver, sizeof (driver), &major_no) != 0) { 68967c478bd9Sstevel@tonic-gate /* return default values */ 68977c478bd9Sstevel@tonic-gate goto use_defaults; 68987c478bd9Sstevel@tonic-gate } 68997c478bd9Sstevel@tonic-gate 69007c478bd9Sstevel@tonic-gate (void) strcpy(devname, phy_path); 69017c478bd9Sstevel@tonic-gate 69027c478bd9Sstevel@tonic-gate node_name = strrchr(devname, '/'); /* node name is the last */ 69037c478bd9Sstevel@tonic-gate /* component */ 69047c478bd9Sstevel@tonic-gate if (node_name == NULL) { 69057c478bd9Sstevel@tonic-gate err_print(NO_NODE, devname); 69067c478bd9Sstevel@tonic-gate goto use_defaults; 69077c478bd9Sstevel@tonic-gate } 69087c478bd9Sstevel@tonic-gate 69097c478bd9Sstevel@tonic-gate minor_name = strchr(++node_name, '@'); /* see if it has address part */ 69107c478bd9Sstevel@tonic-gate 69117c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 69127c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 69137c478bd9Sstevel@tonic-gate } else { 69147c478bd9Sstevel@tonic-gate minor_name = node_name; 69157c478bd9Sstevel@tonic-gate } 69167c478bd9Sstevel@tonic-gate 69177c478bd9Sstevel@tonic-gate minor_name = strchr(minor_name, ':'); /* look for minor name */ 69187c478bd9Sstevel@tonic-gate 69197c478bd9Sstevel@tonic-gate if (minor_name == NULL) { 69207c478bd9Sstevel@tonic-gate err_print(NO_MINOR, devname); 69217c478bd9Sstevel@tonic-gate goto use_defaults; 69227c478bd9Sstevel@tonic-gate } 69237c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 69247c478bd9Sstevel@tonic-gate 69257c478bd9Sstevel@tonic-gate /* 69267c478bd9Sstevel@tonic-gate * mp->mp_drvname = device name from minor_perm 69277c478bd9Sstevel@tonic-gate * mp->mp_minorname = minor part of device name from 69287c478bd9Sstevel@tonic-gate * minor_perm 69297c478bd9Sstevel@tonic-gate * drvname = name of driver for this device 69307c478bd9Sstevel@tonic-gate */ 69317c478bd9Sstevel@tonic-gate 69327c478bd9Sstevel@tonic-gate is_clone = (strcmp(node_name, "clone") == 0 ? TRUE : FALSE); 69337c478bd9Sstevel@tonic-gate for (mp = minor_perms; mp != NULL; mp = mp->mp_next) { 69347c478bd9Sstevel@tonic-gate mp_drvname_matches_node_name = 69357c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, node_name) == 0 ? TRUE : FALSE); 69367c478bd9Sstevel@tonic-gate mp_drvname_matches_minor_name = 69377c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, minor_name) == 0 ? TRUE:FALSE); 69387c478bd9Sstevel@tonic-gate mp_drvname_is_clone = 69397c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, "clone") == 0 ? TRUE : FALSE); 69407c478bd9Sstevel@tonic-gate mp_drvname_matches_drvname = 69417c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, driver) == 0 ? TRUE : FALSE); 69427c478bd9Sstevel@tonic-gate 69437c478bd9Sstevel@tonic-gate /* 69447c478bd9Sstevel@tonic-gate * If one of the following cases is true, then we try to change 69457c478bd9Sstevel@tonic-gate * the permissions if a "shell global pattern match" of 69467c478bd9Sstevel@tonic-gate * mp_>mp_minorname matches minor_name. 69477c478bd9Sstevel@tonic-gate * 69487c478bd9Sstevel@tonic-gate * 1. mp->mp_drvname matches driver. 69497c478bd9Sstevel@tonic-gate * 69507c478bd9Sstevel@tonic-gate * OR 69517c478bd9Sstevel@tonic-gate * 69527c478bd9Sstevel@tonic-gate * 2. mp->mp_drvname matches node_name and this 69537c478bd9Sstevel@tonic-gate * name is an alias of the driver name 69547c478bd9Sstevel@tonic-gate * 69557c478bd9Sstevel@tonic-gate * OR 69567c478bd9Sstevel@tonic-gate * 69577c478bd9Sstevel@tonic-gate * 3. /devices entry is the clone device and either 69587c478bd9Sstevel@tonic-gate * minor_perm entry is the clone device or matches 69597c478bd9Sstevel@tonic-gate * the minor part of the clone device. 69607c478bd9Sstevel@tonic-gate */ 69617c478bd9Sstevel@tonic-gate 69627c478bd9Sstevel@tonic-gate if ((mp_drvname_matches_drvname == TRUE)|| 69637c478bd9Sstevel@tonic-gate ((mp_drvname_matches_node_name == TRUE) && 69647c478bd9Sstevel@tonic-gate (alias(driver, node_name) == TRUE)) || 69657c478bd9Sstevel@tonic-gate ((is_clone == TRUE) && 69667c478bd9Sstevel@tonic-gate ((mp_drvname_is_clone == TRUE) || 69677c478bd9Sstevel@tonic-gate (mp_drvname_matches_minor_name == TRUE)))) { 69687c478bd9Sstevel@tonic-gate /* 69697c478bd9Sstevel@tonic-gate * Check that the minor part of the 69707c478bd9Sstevel@tonic-gate * device name from the minor_perm 69717c478bd9Sstevel@tonic-gate * entry matches and if so, set the 69727c478bd9Sstevel@tonic-gate * permissions. 69737c478bd9Sstevel@tonic-gate * 69747c478bd9Sstevel@tonic-gate * Under real devfs, clone minor name is changed 69757c478bd9Sstevel@tonic-gate * to match the driver name, but minor_perm may 69767c478bd9Sstevel@tonic-gate * not match. We reconcile it here. 69777c478bd9Sstevel@tonic-gate */ 69787c478bd9Sstevel@tonic-gate if (aminor != NULL) 69797c478bd9Sstevel@tonic-gate minor_name = aminor; 69807c478bd9Sstevel@tonic-gate 69817c478bd9Sstevel@tonic-gate if (gmatch(minor_name, mp->mp_minorname) != 0) { 69827c478bd9Sstevel@tonic-gate *uid = mp->mp_uid; 69837c478bd9Sstevel@tonic-gate *gid = mp->mp_gid; 69847c478bd9Sstevel@tonic-gate *mode = spectype | mp->mp_mode; 69857c478bd9Sstevel@tonic-gate match = TRUE; 69867c478bd9Sstevel@tonic-gate } 69877c478bd9Sstevel@tonic-gate } 69887c478bd9Sstevel@tonic-gate } 69897c478bd9Sstevel@tonic-gate 69907c478bd9Sstevel@tonic-gate if (match == TRUE) { 69917c478bd9Sstevel@tonic-gate return; 69927c478bd9Sstevel@tonic-gate } 69937c478bd9Sstevel@tonic-gate 69947c478bd9Sstevel@tonic-gate use_defaults: 69957c478bd9Sstevel@tonic-gate /* not found in minor_perm, so just use default values */ 69967c478bd9Sstevel@tonic-gate *uid = root_uid; 69977c478bd9Sstevel@tonic-gate *gid = sys_gid; 69987c478bd9Sstevel@tonic-gate *mode = (spectype | 0600); 69997c478bd9Sstevel@tonic-gate } 70007c478bd9Sstevel@tonic-gate 70017c478bd9Sstevel@tonic-gate /* 70027c478bd9Sstevel@tonic-gate * Called by devfs_read_minor_perm() to report errors 70037c478bd9Sstevel@tonic-gate * key is: 70047c478bd9Sstevel@tonic-gate * line number: ignoring line number error 70057c478bd9Sstevel@tonic-gate * errno: open/close errors 70067c478bd9Sstevel@tonic-gate * size: alloc errors 70077c478bd9Sstevel@tonic-gate */ 70087c478bd9Sstevel@tonic-gate static void 70097c478bd9Sstevel@tonic-gate minorperm_err_cb(minorperm_err_t mp_err, int key) 70107c478bd9Sstevel@tonic-gate { 70117c478bd9Sstevel@tonic-gate switch (mp_err) { 70127c478bd9Sstevel@tonic-gate case MP_FOPEN_ERR: 70137c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, MINOR_PERM_FILE, strerror(key)); 70147c478bd9Sstevel@tonic-gate break; 70157c478bd9Sstevel@tonic-gate case MP_FCLOSE_ERR: 70167c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, MINOR_PERM_FILE, strerror(key)); 70177c478bd9Sstevel@tonic-gate break; 70187c478bd9Sstevel@tonic-gate case MP_IGNORING_LINE_ERR: 70197c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, key, MINOR_PERM_FILE); 70207c478bd9Sstevel@tonic-gate break; 70217c478bd9Sstevel@tonic-gate case MP_ALLOC_ERR: 70227c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, key); 70237c478bd9Sstevel@tonic-gate break; 70247c478bd9Sstevel@tonic-gate case MP_NVLIST_ERR: 70257c478bd9Sstevel@tonic-gate err_print(NVLIST_ERROR, MINOR_PERM_FILE, strerror(key)); 70267c478bd9Sstevel@tonic-gate break; 70277c478bd9Sstevel@tonic-gate case MP_CANT_FIND_USER_ERR: 70287c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 70297c478bd9Sstevel@tonic-gate break; 70307c478bd9Sstevel@tonic-gate case MP_CANT_FIND_GROUP_ERR: 70317c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 70327c478bd9Sstevel@tonic-gate break; 70337c478bd9Sstevel@tonic-gate } 70347c478bd9Sstevel@tonic-gate } 70357c478bd9Sstevel@tonic-gate 70367c478bd9Sstevel@tonic-gate static void 70377c478bd9Sstevel@tonic-gate read_minor_perm_file(void) 70387c478bd9Sstevel@tonic-gate { 70397c478bd9Sstevel@tonic-gate static int cached = FALSE; 70407c478bd9Sstevel@tonic-gate static struct stat cached_sb; 70417c478bd9Sstevel@tonic-gate struct stat current_sb; 70427c478bd9Sstevel@tonic-gate 70437c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, ¤t_sb); 70447c478bd9Sstevel@tonic-gate 70457c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 70467c478bd9Sstevel@tonic-gate if (cached == TRUE) { 70477c478bd9Sstevel@tonic-gate 70487c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 70497c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", MINOR_PERM_FILE); 70507c478bd9Sstevel@tonic-gate return; 70517c478bd9Sstevel@tonic-gate } 70527c478bd9Sstevel@tonic-gate devfs_free_minor_perm(minor_perms); 70537c478bd9Sstevel@tonic-gate minor_perms = NULL; 70547c478bd9Sstevel@tonic-gate } else { 70557c478bd9Sstevel@tonic-gate cached = TRUE; 70567c478bd9Sstevel@tonic-gate } 70577c478bd9Sstevel@tonic-gate 70587c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, &cached_sb); 70597c478bd9Sstevel@tonic-gate 70607c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", MINOR_PERM_FILE); 70617c478bd9Sstevel@tonic-gate 70627c478bd9Sstevel@tonic-gate minor_perms = devfs_read_minor_perm(minorperm_err_cb); 70637c478bd9Sstevel@tonic-gate } 70647c478bd9Sstevel@tonic-gate 70657c478bd9Sstevel@tonic-gate static void 70667c478bd9Sstevel@tonic-gate load_minor_perm_file(void) 70677c478bd9Sstevel@tonic-gate { 70687c478bd9Sstevel@tonic-gate read_minor_perm_file(); 70697c478bd9Sstevel@tonic-gate if (devfs_load_minor_perm(minor_perms, minorperm_err_cb) != 0) 70707c478bd9Sstevel@tonic-gate err_print(gettext("minor_perm load failed\n")); 70717c478bd9Sstevel@tonic-gate } 70727c478bd9Sstevel@tonic-gate 70737c478bd9Sstevel@tonic-gate static char * 70747c478bd9Sstevel@tonic-gate convert_to_re(char *dev) 70757c478bd9Sstevel@tonic-gate { 70767c478bd9Sstevel@tonic-gate char *p, *l, *out; 70777c478bd9Sstevel@tonic-gate int i; 70787c478bd9Sstevel@tonic-gate 70797c478bd9Sstevel@tonic-gate out = s_malloc(PATH_MAX); 70807c478bd9Sstevel@tonic-gate 70817c478bd9Sstevel@tonic-gate for (l = p = dev, i = 0; (*p != '\0') && (i < (PATH_MAX - 1)); 70827c478bd9Sstevel@tonic-gate ++p, i++) { 70837c478bd9Sstevel@tonic-gate if ((*p == '*') && ((l != p) && (*l == '/'))) { 70847c478bd9Sstevel@tonic-gate out[i++] = '.'; 70857c478bd9Sstevel@tonic-gate out[i] = '+'; 70867c478bd9Sstevel@tonic-gate } else { 70877c478bd9Sstevel@tonic-gate out[i] = *p; 70887c478bd9Sstevel@tonic-gate } 70897c478bd9Sstevel@tonic-gate l = p; 70907c478bd9Sstevel@tonic-gate } 70917c478bd9Sstevel@tonic-gate out[i] = '\0'; 70927c478bd9Sstevel@tonic-gate p = (char *)s_malloc(strlen(out) + 1); 70937c478bd9Sstevel@tonic-gate (void) strlcpy(p, out, strlen(out) + 1); 70947c478bd9Sstevel@tonic-gate free(out); 70957c478bd9Sstevel@tonic-gate 70967c478bd9Sstevel@tonic-gate vprint(FILES_MID, "converted %s -> %s\n", dev, p); 70977c478bd9Sstevel@tonic-gate 70987c478bd9Sstevel@tonic-gate return (p); 70997c478bd9Sstevel@tonic-gate } 71007c478bd9Sstevel@tonic-gate 71017c478bd9Sstevel@tonic-gate static void 71027c478bd9Sstevel@tonic-gate read_logindevperm_file(void) 71037c478bd9Sstevel@tonic-gate { 71047c478bd9Sstevel@tonic-gate static int cached = FALSE; 71057c478bd9Sstevel@tonic-gate static struct stat cached_sb; 71067c478bd9Sstevel@tonic-gate struct stat current_sb; 71077c478bd9Sstevel@tonic-gate struct login_dev *ldev; 71087c478bd9Sstevel@tonic-gate FILE *fp; 71097c478bd9Sstevel@tonic-gate char line[MAX_LDEV_LINE]; 71107c478bd9Sstevel@tonic-gate int ln, perm, rv; 71117c478bd9Sstevel@tonic-gate char *cp, *console, *devlist, *dev; 71127c478bd9Sstevel@tonic-gate char *lasts, *devlasts, *permstr, *drv; 71137c478bd9Sstevel@tonic-gate struct driver_list *list, *next; 71147c478bd9Sstevel@tonic-gate 71157c478bd9Sstevel@tonic-gate /* Read logindevperm only when enabled */ 71167c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 71177c478bd9Sstevel@tonic-gate return; 71187c478bd9Sstevel@tonic-gate 71197c478bd9Sstevel@tonic-gate if (cached == TRUE) { 71207c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, ¤t_sb) == 0 && 71217c478bd9Sstevel@tonic-gate current_sb.st_mtime == cached_sb.st_mtime) { 71227c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", LDEV_FILE); 71237c478bd9Sstevel@tonic-gate return; 71247c478bd9Sstevel@tonic-gate } 71257c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", LDEV_FILE); 71267c478bd9Sstevel@tonic-gate while (login_dev_cache != NULL) { 71277c478bd9Sstevel@tonic-gate 71287c478bd9Sstevel@tonic-gate ldev = login_dev_cache; 71297c478bd9Sstevel@tonic-gate login_dev_cache = ldev->ldev_next; 71307c478bd9Sstevel@tonic-gate free(ldev->ldev_console); 71317c478bd9Sstevel@tonic-gate free(ldev->ldev_device); 71327c478bd9Sstevel@tonic-gate regfree(&ldev->ldev_device_regex); 71337c478bd9Sstevel@tonic-gate list = ldev->ldev_driver_list; 71347c478bd9Sstevel@tonic-gate while (list) { 71357c478bd9Sstevel@tonic-gate next = list->next; 71367c478bd9Sstevel@tonic-gate free(list); 71377c478bd9Sstevel@tonic-gate list = next; 71387c478bd9Sstevel@tonic-gate } 71397c478bd9Sstevel@tonic-gate free(ldev); 71407c478bd9Sstevel@tonic-gate } 71417c478bd9Sstevel@tonic-gate } else { 71427c478bd9Sstevel@tonic-gate cached = TRUE; 71437c478bd9Sstevel@tonic-gate } 71447c478bd9Sstevel@tonic-gate 71457c478bd9Sstevel@tonic-gate assert(login_dev_cache == NULL); 71467c478bd9Sstevel@tonic-gate 71477c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, &cached_sb) != 0) { 71487c478bd9Sstevel@tonic-gate cached = FALSE; 71497c478bd9Sstevel@tonic-gate return; 71507c478bd9Sstevel@tonic-gate } 71517c478bd9Sstevel@tonic-gate 71527c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading file: %s\n", LDEV_FILE); 71537c478bd9Sstevel@tonic-gate 71547c478bd9Sstevel@tonic-gate if ((fp = fopen(LDEV_FILE, "r")) == NULL) { 71557c478bd9Sstevel@tonic-gate /* Not fatal to devfsadm */ 71567c478bd9Sstevel@tonic-gate cached = FALSE; 71577c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, LDEV_FILE, strerror(errno)); 71587c478bd9Sstevel@tonic-gate return; 71597c478bd9Sstevel@tonic-gate } 71607c478bd9Sstevel@tonic-gate 71617c478bd9Sstevel@tonic-gate ln = 0; 71627c478bd9Sstevel@tonic-gate while (fgets(line, MAX_LDEV_LINE, fp) != NULL) { 71637c478bd9Sstevel@tonic-gate ln++; 71647c478bd9Sstevel@tonic-gate 71657c478bd9Sstevel@tonic-gate /* Remove comments */ 71667c478bd9Sstevel@tonic-gate if ((cp = strchr(line, '#')) != NULL) 71677c478bd9Sstevel@tonic-gate *cp = '\0'; 71687c478bd9Sstevel@tonic-gate 71697c478bd9Sstevel@tonic-gate if ((console = strtok_r(line, LDEV_DELIMS, &lasts)) == NULL) 71707c478bd9Sstevel@tonic-gate continue; /* Blank line */ 71717c478bd9Sstevel@tonic-gate 71727c478bd9Sstevel@tonic-gate if ((permstr = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 71737c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 71747c478bd9Sstevel@tonic-gate continue; /* Malformed line */ 71757c478bd9Sstevel@tonic-gate } 71767c478bd9Sstevel@tonic-gate 71777c478bd9Sstevel@tonic-gate /* 71787c478bd9Sstevel@tonic-gate * permstr is string in octal format. Convert to int 71797c478bd9Sstevel@tonic-gate */ 71807c478bd9Sstevel@tonic-gate cp = NULL; 71817c478bd9Sstevel@tonic-gate errno = 0; 71827c478bd9Sstevel@tonic-gate perm = strtol(permstr, &cp, 8); 71837c478bd9Sstevel@tonic-gate if (errno || perm < 0 || perm > 0777 || *cp != '\0') { 71847c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 71857c478bd9Sstevel@tonic-gate continue; 71867c478bd9Sstevel@tonic-gate } 71877c478bd9Sstevel@tonic-gate 71887c478bd9Sstevel@tonic-gate if ((devlist = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 71897c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 71907c478bd9Sstevel@tonic-gate continue; 71917c478bd9Sstevel@tonic-gate } 71927c478bd9Sstevel@tonic-gate 71937c478bd9Sstevel@tonic-gate dev = strtok_r(devlist, LDEV_DEV_DELIM, &devlasts); 71947c478bd9Sstevel@tonic-gate while (dev) { 71957c478bd9Sstevel@tonic-gate 71967c478bd9Sstevel@tonic-gate ldev = (struct login_dev *)s_zalloc( 71977c478bd9Sstevel@tonic-gate sizeof (struct login_dev)); 71987c478bd9Sstevel@tonic-gate ldev->ldev_console = s_strdup(console); 71997c478bd9Sstevel@tonic-gate ldev->ldev_perms = perm; 72007c478bd9Sstevel@tonic-gate 72017c478bd9Sstevel@tonic-gate /* 72027c478bd9Sstevel@tonic-gate * the logical device name may contain '*' which 72037c478bd9Sstevel@tonic-gate * we convert to a regular expression 72047c478bd9Sstevel@tonic-gate */ 72057c478bd9Sstevel@tonic-gate ldev->ldev_device = convert_to_re(dev); 72067c478bd9Sstevel@tonic-gate if (ldev->ldev_device && 72077c478bd9Sstevel@tonic-gate (rv = regcomp(&ldev->ldev_device_regex, 72087c478bd9Sstevel@tonic-gate ldev->ldev_device, REG_EXTENDED))) { 72097c478bd9Sstevel@tonic-gate bzero(&ldev->ldev_device_regex, 72107c478bd9Sstevel@tonic-gate sizeof (ldev->ldev_device_regex)); 72117c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 72127c478bd9Sstevel@tonic-gate ldev->ldev_device, rv); 72137c478bd9Sstevel@tonic-gate } 72147c478bd9Sstevel@tonic-gate ldev->ldev_next = login_dev_cache; 72157c478bd9Sstevel@tonic-gate login_dev_cache = ldev; 72167c478bd9Sstevel@tonic-gate dev = strtok_r(NULL, LDEV_DEV_DELIM, &devlasts); 72177c478bd9Sstevel@tonic-gate } 72187c478bd9Sstevel@tonic-gate 72197c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRVLIST_DELIMS, &lasts); 72207c478bd9Sstevel@tonic-gate if (drv) { 72217c478bd9Sstevel@tonic-gate if (strcmp(drv, LDEV_DRVLIST_NAME) == 0) { 72227c478bd9Sstevel@tonic-gate 72237c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRV_DELIMS, 72247c478bd9Sstevel@tonic-gate &lasts); 72257c478bd9Sstevel@tonic-gate 72267c478bd9Sstevel@tonic-gate while (drv) { 72277c478bd9Sstevel@tonic-gate vprint(FILES_MID, 72287c478bd9Sstevel@tonic-gate "logindevperm driver=%s\n", 72297c478bd9Sstevel@tonic-gate drv); 72307c478bd9Sstevel@tonic-gate 72317c478bd9Sstevel@tonic-gate /* 72327c478bd9Sstevel@tonic-gate * create a linked list of driver 72337c478bd9Sstevel@tonic-gate * names 72347c478bd9Sstevel@tonic-gate */ 72357c478bd9Sstevel@tonic-gate list = (struct driver_list *) 72367c478bd9Sstevel@tonic-gate s_zalloc( 72377c478bd9Sstevel@tonic-gate sizeof (struct driver_list)); 72387c478bd9Sstevel@tonic-gate (void) strlcpy(list->driver_name, drv, 72397c478bd9Sstevel@tonic-gate sizeof (list->driver_name)); 72407c478bd9Sstevel@tonic-gate list->next = ldev->ldev_driver_list; 72417c478bd9Sstevel@tonic-gate ldev->ldev_driver_list = list; 72427c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRV_DELIMS, 72437c478bd9Sstevel@tonic-gate &lasts); 72447c478bd9Sstevel@tonic-gate } 72457c478bd9Sstevel@tonic-gate } 72467c478bd9Sstevel@tonic-gate } 72477c478bd9Sstevel@tonic-gate } 72487c478bd9Sstevel@tonic-gate (void) fclose(fp); 72497c478bd9Sstevel@tonic-gate } 72507c478bd9Sstevel@tonic-gate 72517c478bd9Sstevel@tonic-gate /* 72527c478bd9Sstevel@tonic-gate * Tokens are separated by ' ', '\t', ':', '=', '&', '|', ';', '\n', or '\0' 72537c478bd9Sstevel@tonic-gate * 72547c478bd9Sstevel@tonic-gate * Returns DEVFSADM_SUCCESS if token found, DEVFSADM_FAILURE otherwise. 72557c478bd9Sstevel@tonic-gate */ 72567c478bd9Sstevel@tonic-gate static int 72577c478bd9Sstevel@tonic-gate getnexttoken(char *next, char **nextp, char **tokenpp, char *tchar) 72587c478bd9Sstevel@tonic-gate { 72597c478bd9Sstevel@tonic-gate char *cp; 72607c478bd9Sstevel@tonic-gate char *cp1; 72617c478bd9Sstevel@tonic-gate char *tokenp; 72627c478bd9Sstevel@tonic-gate 72637c478bd9Sstevel@tonic-gate cp = next; 72647c478bd9Sstevel@tonic-gate while (*cp == ' ' || *cp == '\t') { 72657c478bd9Sstevel@tonic-gate cp++; /* skip leading spaces */ 72667c478bd9Sstevel@tonic-gate } 72677c478bd9Sstevel@tonic-gate tokenp = cp; /* start of token */ 72687c478bd9Sstevel@tonic-gate while (*cp != '\0' && *cp != '\n' && *cp != ' ' && *cp != '\t' && 72697c478bd9Sstevel@tonic-gate *cp != ':' && *cp != '=' && *cp != '&' && 72707c478bd9Sstevel@tonic-gate *cp != '|' && *cp != ';') { 72717c478bd9Sstevel@tonic-gate cp++; /* point to next character */ 72727c478bd9Sstevel@tonic-gate } 72737c478bd9Sstevel@tonic-gate /* 72747c478bd9Sstevel@tonic-gate * If terminating character is a space or tab, look ahead to see if 72757c478bd9Sstevel@tonic-gate * there's another terminator that's not a space or a tab. 72767c478bd9Sstevel@tonic-gate * (This code handles trailing spaces.) 72777c478bd9Sstevel@tonic-gate */ 72787c478bd9Sstevel@tonic-gate if (*cp == ' ' || *cp == '\t') { 72797c478bd9Sstevel@tonic-gate cp1 = cp; 72807c478bd9Sstevel@tonic-gate while (*++cp1 == ' ' || *cp1 == '\t') 72817c478bd9Sstevel@tonic-gate ; 72827c478bd9Sstevel@tonic-gate if (*cp1 == '=' || *cp1 == ':' || *cp1 == '&' || *cp1 == '|' || 72837c478bd9Sstevel@tonic-gate *cp1 == ';' || *cp1 == '\n' || *cp1 == '\0') { 72847c478bd9Sstevel@tonic-gate *cp = NULL; /* terminate token */ 72857c478bd9Sstevel@tonic-gate cp = cp1; 72867c478bd9Sstevel@tonic-gate } 72877c478bd9Sstevel@tonic-gate } 72887c478bd9Sstevel@tonic-gate if (tchar != NULL) { 72897c478bd9Sstevel@tonic-gate *tchar = *cp; /* save terminating character */ 72907c478bd9Sstevel@tonic-gate if (*tchar == '\0') { 72917c478bd9Sstevel@tonic-gate *tchar = '\n'; 72927c478bd9Sstevel@tonic-gate } 72937c478bd9Sstevel@tonic-gate } 72947c478bd9Sstevel@tonic-gate *cp++ = '\0'; /* terminate token, point to next */ 72957c478bd9Sstevel@tonic-gate *nextp = cp; /* set pointer to next character */ 72967c478bd9Sstevel@tonic-gate if (cp - tokenp - 1 == 0) { 72977c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 72987c478bd9Sstevel@tonic-gate } 72997c478bd9Sstevel@tonic-gate *tokenpp = tokenp; 73007c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 73017c478bd9Sstevel@tonic-gate } 73027c478bd9Sstevel@tonic-gate 73037c478bd9Sstevel@tonic-gate /* 73047c478bd9Sstevel@tonic-gate * read or reread the driver aliases file 73057c478bd9Sstevel@tonic-gate */ 73067c478bd9Sstevel@tonic-gate static void 73077c478bd9Sstevel@tonic-gate read_driver_aliases_file(void) 73087c478bd9Sstevel@tonic-gate { 73097c478bd9Sstevel@tonic-gate 73107c478bd9Sstevel@tonic-gate driver_alias_t *save; 73117c478bd9Sstevel@tonic-gate driver_alias_t *lst_tail; 73127c478bd9Sstevel@tonic-gate driver_alias_t *ap; 73137c478bd9Sstevel@tonic-gate static int cached = FALSE; 73147c478bd9Sstevel@tonic-gate FILE *afd; 73157c478bd9Sstevel@tonic-gate char line[256]; 73167c478bd9Sstevel@tonic-gate char *cp; 73177c478bd9Sstevel@tonic-gate char *p; 73187c478bd9Sstevel@tonic-gate char t; 73197c478bd9Sstevel@tonic-gate int ln = 0; 73207c478bd9Sstevel@tonic-gate static struct stat cached_sb; 73217c478bd9Sstevel@tonic-gate struct stat current_sb; 73227c478bd9Sstevel@tonic-gate 73237c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, ¤t_sb); 73247c478bd9Sstevel@tonic-gate 73257c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 73267c478bd9Sstevel@tonic-gate if (cached == TRUE) { 73277c478bd9Sstevel@tonic-gate 73287c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 73297c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", ALIASFILE); 73307c478bd9Sstevel@tonic-gate return; 73317c478bd9Sstevel@tonic-gate } 73327c478bd9Sstevel@tonic-gate 73337c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", ALIASFILE); 73347c478bd9Sstevel@tonic-gate while (driver_aliases != NULL) { 73357c478bd9Sstevel@tonic-gate free(driver_aliases->alias_name); 73367c478bd9Sstevel@tonic-gate free(driver_aliases->driver_name); 73377c478bd9Sstevel@tonic-gate save = driver_aliases; 73387c478bd9Sstevel@tonic-gate driver_aliases = driver_aliases->next; 73397c478bd9Sstevel@tonic-gate free(save); 73407c478bd9Sstevel@tonic-gate } 73417c478bd9Sstevel@tonic-gate } else { 73427c478bd9Sstevel@tonic-gate cached = TRUE; 73437c478bd9Sstevel@tonic-gate } 73447c478bd9Sstevel@tonic-gate 73457c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, &cached_sb); 73467c478bd9Sstevel@tonic-gate 73477c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", ALIASFILE); 73487c478bd9Sstevel@tonic-gate 73497c478bd9Sstevel@tonic-gate if ((afd = fopen(ALIASFILE, "r")) == NULL) { 73507c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, ALIASFILE, strerror(errno)); 73517c478bd9Sstevel@tonic-gate devfsadm_exit(1); 73527c478bd9Sstevel@tonic-gate } 73537c478bd9Sstevel@tonic-gate 73547c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line) - 1, afd) != NULL) { 73557c478bd9Sstevel@tonic-gate ln++; 73567c478bd9Sstevel@tonic-gate cp = line; 73577c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 73587c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, ALIASFILE); 73597c478bd9Sstevel@tonic-gate continue; 73607c478bd9Sstevel@tonic-gate } 73617c478bd9Sstevel@tonic-gate if (t == '\n' || t == '\0') { 73627c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 73637c478bd9Sstevel@tonic-gate continue; 73647c478bd9Sstevel@tonic-gate } 73657c478bd9Sstevel@tonic-gate ap = (struct driver_alias *) 73667c478bd9Sstevel@tonic-gate s_zalloc(sizeof (struct driver_alias)); 73677c478bd9Sstevel@tonic-gate ap->driver_name = s_strdup(p); 73687c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 73697c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 73707c478bd9Sstevel@tonic-gate free(ap->driver_name); 73717c478bd9Sstevel@tonic-gate free(ap); 73727c478bd9Sstevel@tonic-gate continue; 73737c478bd9Sstevel@tonic-gate } 73747c478bd9Sstevel@tonic-gate if (*p == '"') { 73757c478bd9Sstevel@tonic-gate if (p[strlen(p) - 1] == '"') { 73767c478bd9Sstevel@tonic-gate p[strlen(p) - 1] = '\0'; 73777c478bd9Sstevel@tonic-gate p++; 73787c478bd9Sstevel@tonic-gate } 73797c478bd9Sstevel@tonic-gate } 73807c478bd9Sstevel@tonic-gate ap->alias_name = s_strdup(p); 73817c478bd9Sstevel@tonic-gate if (driver_aliases == NULL) { 73827c478bd9Sstevel@tonic-gate driver_aliases = ap; 73837c478bd9Sstevel@tonic-gate lst_tail = ap; 73847c478bd9Sstevel@tonic-gate } else { 73857c478bd9Sstevel@tonic-gate lst_tail->next = ap; 73867c478bd9Sstevel@tonic-gate lst_tail = ap; 73877c478bd9Sstevel@tonic-gate } 73887c478bd9Sstevel@tonic-gate } 73897c478bd9Sstevel@tonic-gate if (fclose(afd) == EOF) { 73907c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, ALIASFILE, strerror(errno)); 73917c478bd9Sstevel@tonic-gate } 73927c478bd9Sstevel@tonic-gate } 73937c478bd9Sstevel@tonic-gate 73947c478bd9Sstevel@tonic-gate /* 73957c478bd9Sstevel@tonic-gate * return TRUE if alias_name is an alias for driver_name, otherwise 73967c478bd9Sstevel@tonic-gate * return FALSE. 73977c478bd9Sstevel@tonic-gate */ 73987c478bd9Sstevel@tonic-gate static int 73997c478bd9Sstevel@tonic-gate alias(char *driver_name, char *alias_name) 74007c478bd9Sstevel@tonic-gate { 74017c478bd9Sstevel@tonic-gate driver_alias_t *alias; 74027c478bd9Sstevel@tonic-gate 74037c478bd9Sstevel@tonic-gate /* 74047c478bd9Sstevel@tonic-gate * check for a match 74057c478bd9Sstevel@tonic-gate */ 74067c478bd9Sstevel@tonic-gate for (alias = driver_aliases; alias != NULL; alias = alias->next) { 74077c478bd9Sstevel@tonic-gate if ((strcmp(alias->driver_name, driver_name) == 0) && 74087c478bd9Sstevel@tonic-gate (strcmp(alias->alias_name, alias_name) == 0)) { 74097c478bd9Sstevel@tonic-gate return (TRUE); 74107c478bd9Sstevel@tonic-gate } 74117c478bd9Sstevel@tonic-gate } 74127c478bd9Sstevel@tonic-gate return (FALSE); 74137c478bd9Sstevel@tonic-gate } 74147c478bd9Sstevel@tonic-gate 74157c478bd9Sstevel@tonic-gate /* 74167c478bd9Sstevel@tonic-gate * convenience functions 74177c478bd9Sstevel@tonic-gate */ 74187c478bd9Sstevel@tonic-gate static void * 74197c478bd9Sstevel@tonic-gate s_malloc(const size_t size) 74207c478bd9Sstevel@tonic-gate { 74217c478bd9Sstevel@tonic-gate void *rp; 74227c478bd9Sstevel@tonic-gate 74237c478bd9Sstevel@tonic-gate rp = malloc(size); 74247c478bd9Sstevel@tonic-gate if (rp == NULL) { 74257c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, size); 74267c478bd9Sstevel@tonic-gate devfsadm_exit(1); 74277c478bd9Sstevel@tonic-gate } 74287c478bd9Sstevel@tonic-gate return (rp); 74297c478bd9Sstevel@tonic-gate } 74307c478bd9Sstevel@tonic-gate 74317c478bd9Sstevel@tonic-gate /* 74327c478bd9Sstevel@tonic-gate * convenience functions 74337c478bd9Sstevel@tonic-gate */ 74347c478bd9Sstevel@tonic-gate static void * 74357c478bd9Sstevel@tonic-gate s_realloc(void *ptr, const size_t size) 74367c478bd9Sstevel@tonic-gate { 74377c478bd9Sstevel@tonic-gate ptr = realloc(ptr, size); 74387c478bd9Sstevel@tonic-gate if (ptr == NULL) { 74397c478bd9Sstevel@tonic-gate err_print(REALLOC_FAILED, size); 74407c478bd9Sstevel@tonic-gate devfsadm_exit(1); 74417c478bd9Sstevel@tonic-gate } 74427c478bd9Sstevel@tonic-gate return (ptr); 74437c478bd9Sstevel@tonic-gate } 74447c478bd9Sstevel@tonic-gate 74457c478bd9Sstevel@tonic-gate static void * 74467c478bd9Sstevel@tonic-gate s_zalloc(const size_t size) 74477c478bd9Sstevel@tonic-gate { 74487c478bd9Sstevel@tonic-gate void *rp; 74497c478bd9Sstevel@tonic-gate 74507c478bd9Sstevel@tonic-gate rp = calloc(1, size); 74517c478bd9Sstevel@tonic-gate if (rp == NULL) { 74527c478bd9Sstevel@tonic-gate err_print(CALLOC_FAILED, size); 74537c478bd9Sstevel@tonic-gate devfsadm_exit(1); 74547c478bd9Sstevel@tonic-gate } 74557c478bd9Sstevel@tonic-gate return (rp); 74567c478bd9Sstevel@tonic-gate } 74577c478bd9Sstevel@tonic-gate 74587c478bd9Sstevel@tonic-gate char * 74597c478bd9Sstevel@tonic-gate s_strdup(const char *ptr) 74607c478bd9Sstevel@tonic-gate { 74617c478bd9Sstevel@tonic-gate void *rp; 74627c478bd9Sstevel@tonic-gate 74637c478bd9Sstevel@tonic-gate rp = strdup(ptr); 74647c478bd9Sstevel@tonic-gate if (rp == NULL) { 74657c478bd9Sstevel@tonic-gate err_print(STRDUP_FAILED, ptr); 74667c478bd9Sstevel@tonic-gate devfsadm_exit(1); 74677c478bd9Sstevel@tonic-gate } 74687c478bd9Sstevel@tonic-gate return (rp); 74697c478bd9Sstevel@tonic-gate } 74707c478bd9Sstevel@tonic-gate 74717c478bd9Sstevel@tonic-gate static void 74727c478bd9Sstevel@tonic-gate s_closedir(DIR *dirp) 74737c478bd9Sstevel@tonic-gate { 74747c478bd9Sstevel@tonic-gate retry: 74757c478bd9Sstevel@tonic-gate if (closedir(dirp) != 0) { 74767c478bd9Sstevel@tonic-gate if (errno == EINTR) 74777c478bd9Sstevel@tonic-gate goto retry; 74787c478bd9Sstevel@tonic-gate err_print(CLOSEDIR_FAILED, strerror(errno)); 74797c478bd9Sstevel@tonic-gate } 74807c478bd9Sstevel@tonic-gate } 74817c478bd9Sstevel@tonic-gate 74827c478bd9Sstevel@tonic-gate static void 74837c478bd9Sstevel@tonic-gate s_mkdirp(const char *path, const mode_t mode) 74847c478bd9Sstevel@tonic-gate { 74857c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "mkdirp(%s, 0x%lx)\n", path, mode); 74867c478bd9Sstevel@tonic-gate if (mkdirp(path, mode) == -1) { 74877c478bd9Sstevel@tonic-gate if (errno != EEXIST) { 74887c478bd9Sstevel@tonic-gate err_print(MKDIR_FAILED, path, mode, strerror(errno)); 74897c478bd9Sstevel@tonic-gate } 74907c478bd9Sstevel@tonic-gate } 74917c478bd9Sstevel@tonic-gate } 74927c478bd9Sstevel@tonic-gate 74937c478bd9Sstevel@tonic-gate static void 74947c478bd9Sstevel@tonic-gate s_unlink(const char *file) 74957c478bd9Sstevel@tonic-gate { 74967c478bd9Sstevel@tonic-gate retry: 74977c478bd9Sstevel@tonic-gate if (unlink(file) == -1) { 74987c478bd9Sstevel@tonic-gate if (errno == EINTR || errno == EAGAIN) 74997c478bd9Sstevel@tonic-gate goto retry; 75007c478bd9Sstevel@tonic-gate if (errno != ENOENT) { 75017c478bd9Sstevel@tonic-gate err_print(UNLINK_FAILED, file, strerror(errno)); 75027c478bd9Sstevel@tonic-gate } 75037c478bd9Sstevel@tonic-gate } 75047c478bd9Sstevel@tonic-gate } 75057c478bd9Sstevel@tonic-gate 75067c478bd9Sstevel@tonic-gate static void 75077c478bd9Sstevel@tonic-gate add_verbose_id(char *mid) 75087c478bd9Sstevel@tonic-gate { 75097c478bd9Sstevel@tonic-gate num_verbose++; 75107c478bd9Sstevel@tonic-gate verbose = s_realloc(verbose, num_verbose * sizeof (char *)); 75117c478bd9Sstevel@tonic-gate verbose[num_verbose - 1] = mid; 75127c478bd9Sstevel@tonic-gate } 75137c478bd9Sstevel@tonic-gate 75147c478bd9Sstevel@tonic-gate /* 75157c478bd9Sstevel@tonic-gate * returns DEVFSADM_TRUE if contents is a minor node in /devices. 75167c478bd9Sstevel@tonic-gate * If mn_root is not NULL, mn_root is set to: 75177c478bd9Sstevel@tonic-gate * if contents is a /dev node, mn_root = contents 75187c478bd9Sstevel@tonic-gate * OR 75197c478bd9Sstevel@tonic-gate * if contents is a /devices node, mn_root set to the '/' 75207c478bd9Sstevel@tonic-gate * following /devices. 75217c478bd9Sstevel@tonic-gate */ 75227c478bd9Sstevel@tonic-gate static int 75237c478bd9Sstevel@tonic-gate is_minor_node(char *contents, char **mn_root) 75247c478bd9Sstevel@tonic-gate { 75257c478bd9Sstevel@tonic-gate char *ptr; 75267c478bd9Sstevel@tonic-gate char device_prefix[100]; 75277c478bd9Sstevel@tonic-gate 75287c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "../devices/"); 75297c478bd9Sstevel@tonic-gate 75307c478bd9Sstevel@tonic-gate if ((ptr = strstr(contents, device_prefix)) != NULL) { 75317c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 75327c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 75337c478bd9Sstevel@tonic-gate *mn_root = ptr += strlen(device_prefix) - 1; 75347c478bd9Sstevel@tonic-gate } 75357c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 75367c478bd9Sstevel@tonic-gate } 75377c478bd9Sstevel@tonic-gate 75387c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "/devices/"); 75397c478bd9Sstevel@tonic-gate 75407c478bd9Sstevel@tonic-gate if (strncmp(contents, device_prefix, strlen(device_prefix)) == 0) { 75417c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 75427c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 75437c478bd9Sstevel@tonic-gate *mn_root = contents + strlen(device_prefix) - 1; 75447c478bd9Sstevel@tonic-gate } 75457c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 75467c478bd9Sstevel@tonic-gate } 75477c478bd9Sstevel@tonic-gate 75487c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 75497c478bd9Sstevel@tonic-gate *mn_root = contents; 75507c478bd9Sstevel@tonic-gate } 75517c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 75527c478bd9Sstevel@tonic-gate } 75537c478bd9Sstevel@tonic-gate 75547c478bd9Sstevel@tonic-gate /* 75557c478bd9Sstevel@tonic-gate * Lookup nvpair corresponding to the given name and type: 75567c478bd9Sstevel@tonic-gate * 75577c478bd9Sstevel@tonic-gate * The standard nvlist_lookup functions in libnvpair don't work as our 75587c478bd9Sstevel@tonic-gate * nvlist is not allocated with NV_UNIQUE_NAME or NV_UNIQUE_NAME_TYPE. 75597c478bd9Sstevel@tonic-gate */ 75607c478bd9Sstevel@tonic-gate static nvpair_t * 75617c478bd9Sstevel@tonic-gate lookup_nvpair(nvlist_t *nvl, char *name, data_type_t type) 75627c478bd9Sstevel@tonic-gate { 75637c478bd9Sstevel@tonic-gate nvpair_t *nvp; 75647c478bd9Sstevel@tonic-gate 75657c478bd9Sstevel@tonic-gate for (nvp = nvlist_next_nvpair(nvl, NULL); nvp != NULL; 75667c478bd9Sstevel@tonic-gate nvp = nvlist_next_nvpair(nvl, nvp)) { 75677c478bd9Sstevel@tonic-gate if (strcmp(name, nvpair_name(nvp)) == 0 && 75687c478bd9Sstevel@tonic-gate nvpair_type(nvp) == type) 75697c478bd9Sstevel@tonic-gate return (nvp); 75707c478bd9Sstevel@tonic-gate } 75717c478bd9Sstevel@tonic-gate 75727c478bd9Sstevel@tonic-gate return (NULL); 75737c478bd9Sstevel@tonic-gate } 75747c478bd9Sstevel@tonic-gate 75757c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 75767c478bd9Sstevel@tonic-gate static void 75777c478bd9Sstevel@tonic-gate process_rcm_events(void *arg) 75787c478bd9Sstevel@tonic-gate { 75797c478bd9Sstevel@tonic-gate struct rcm_eventq *ev, *ev_next; 7580210db224Sericheng nvpair_t *nvp; 7581210db224Sericheng char *path, *driver; 7582210db224Sericheng int instance; 7583210db224Sericheng int err; 75847c478bd9Sstevel@tonic-gate int need_to_exit; 75857c478bd9Sstevel@tonic-gate 75867c478bd9Sstevel@tonic-gate for (;;) { 75877c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 75887c478bd9Sstevel@tonic-gate while (rcm_eventq_head == NULL && 75897c478bd9Sstevel@tonic-gate need_to_exit_rcm_event_thread == 0) 75907c478bd9Sstevel@tonic-gate (void) cond_wait(&rcm_eventq_cv, &rcm_eventq_lock); 75917c478bd9Sstevel@tonic-gate 75927c478bd9Sstevel@tonic-gate need_to_exit = need_to_exit_rcm_event_thread; 75937c478bd9Sstevel@tonic-gate ev = rcm_eventq_head; 75947c478bd9Sstevel@tonic-gate rcm_eventq_head = rcm_eventq_tail = NULL; 75957c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 75967c478bd9Sstevel@tonic-gate 75977c478bd9Sstevel@tonic-gate for (; ev != NULL; ev = ev_next) { 75987c478bd9Sstevel@tonic-gate /* 75997c478bd9Sstevel@tonic-gate * Private notification interface to RCM: 76007c478bd9Sstevel@tonic-gate * Do not retry the RCM notification on an error since 76017c478bd9Sstevel@tonic-gate * we do not know whether the failure occurred in 76027c478bd9Sstevel@tonic-gate * librcm, rcm_daemon or rcm modules or scripts. 76037c478bd9Sstevel@tonic-gate */ 7604210db224Sericheng if (librcm_notify_event(rcm_hdl, 7605210db224Sericheng RCM_RESOURCE_NETWORK_NEW, 0, ev->nvl, NULL) 7606210db224Sericheng != RCM_SUCCESS) { 7607210db224Sericheng 7608210db224Sericheng err = errno; 7609210db224Sericheng 7610210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7611210db224Sericheng RCM_NV_DEVFS_PATH, DATA_TYPE_STRING)) 7612210db224Sericheng == NULL) || 7613210db224Sericheng (nvpair_value_string(nvp, &path) != 0)) 7614210db224Sericheng path = "unknown"; 7615210db224Sericheng 7616210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7617210db224Sericheng RCM_NV_DRIVER_NAME, DATA_TYPE_STRING)) 7618210db224Sericheng == NULL) || 7619210db224Sericheng (nvpair_value_string(nvp, &driver) != 0)) 7620210db224Sericheng driver = "unknown"; 7621210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7622210db224Sericheng RCM_NV_INSTANCE, DATA_TYPE_INT32)) 7623210db224Sericheng == NULL) || 7624210db224Sericheng (nvpair_value_int32(nvp, &instance) != 0)) 7625210db224Sericheng instance = -1; 7626210db224Sericheng 7627210db224Sericheng err_print(RCM_NOTIFY_FAILED, path, driver, 7628210db224Sericheng instance, strerror(err)); 7629210db224Sericheng } 76307c478bd9Sstevel@tonic-gate 76317c478bd9Sstevel@tonic-gate ev_next = ev->next; 76327c478bd9Sstevel@tonic-gate nvlist_free(ev->nvl); 76337c478bd9Sstevel@tonic-gate free(ev); 76347c478bd9Sstevel@tonic-gate } 76357c478bd9Sstevel@tonic-gate 76367c478bd9Sstevel@tonic-gate if (need_to_exit) 76377c478bd9Sstevel@tonic-gate return; 76387c478bd9Sstevel@tonic-gate } 76397c478bd9Sstevel@tonic-gate } 76407c478bd9Sstevel@tonic-gate 76417c478bd9Sstevel@tonic-gate /* 76427c478bd9Sstevel@tonic-gate * Initialize rcm related handles and function pointers. 76437c478bd9Sstevel@tonic-gate * Since RCM need not present in miniroot, we dlopen librcm. 76447c478bd9Sstevel@tonic-gate */ 76457c478bd9Sstevel@tonic-gate static int 76467c478bd9Sstevel@tonic-gate rcm_init(void) 76477c478bd9Sstevel@tonic-gate { 76487c478bd9Sstevel@tonic-gate #define LIBRCM_PATH "/usr/lib/librcm.so" 76497c478bd9Sstevel@tonic-gate rcm_handle_t *hdl = NULL; 76507c478bd9Sstevel@tonic-gate int err; 76517c478bd9Sstevel@tonic-gate 76527c478bd9Sstevel@tonic-gate if ((librcm_hdl = dlopen(LIBRCM_PATH, RTLD_LAZY)) == NULL) { 76537c478bd9Sstevel@tonic-gate /* 76547c478bd9Sstevel@tonic-gate * don't log an error here, since librcm may not be present 76557c478bd9Sstevel@tonic-gate * in miniroot. 76567c478bd9Sstevel@tonic-gate */ 76577c478bd9Sstevel@tonic-gate return (-1); 76587c478bd9Sstevel@tonic-gate } 76597c478bd9Sstevel@tonic-gate 76607c478bd9Sstevel@tonic-gate librcm_alloc_handle = (int (*)())dlsym(librcm_hdl, "rcm_alloc_handle"); 76617c478bd9Sstevel@tonic-gate librcm_free_handle = (void (*)())dlsym(librcm_hdl, "rcm_free_handle"); 76627c478bd9Sstevel@tonic-gate librcm_notify_event = (int (*)())dlsym(librcm_hdl, "rcm_notify_event"); 76637c478bd9Sstevel@tonic-gate 76647c478bd9Sstevel@tonic-gate if (librcm_alloc_handle == NULL || librcm_notify_event == NULL || 76657c478bd9Sstevel@tonic-gate librcm_free_handle == NULL) { 76667c478bd9Sstevel@tonic-gate err_print(MISSING_SYMBOLS, LIBRCM_PATH); 76677c478bd9Sstevel@tonic-gate goto out; 76687c478bd9Sstevel@tonic-gate } 76697c478bd9Sstevel@tonic-gate 76707c478bd9Sstevel@tonic-gate /* Initialize the rcm handle */ 76717c478bd9Sstevel@tonic-gate if (librcm_alloc_handle(NULL, 0, NULL, &hdl) != RCM_SUCCESS) { 76727c478bd9Sstevel@tonic-gate err_print(RCM_ALLOC_HANDLE_ERROR); 76737c478bd9Sstevel@tonic-gate goto out; 76747c478bd9Sstevel@tonic-gate } 76757c478bd9Sstevel@tonic-gate 76767c478bd9Sstevel@tonic-gate (void) cond_init(&rcm_eventq_cv, USYNC_THREAD, 0); 76777c478bd9Sstevel@tonic-gate (void) mutex_init(&rcm_eventq_lock, USYNC_THREAD, 0); 76787c478bd9Sstevel@tonic-gate 76797c478bd9Sstevel@tonic-gate /* create a thread to notify RCM of events */ 76807c478bd9Sstevel@tonic-gate if ((err = thr_create(NULL, 0, (void *(*)(void *))process_rcm_events, 76817c478bd9Sstevel@tonic-gate NULL, 0, &process_rcm_events_tid)) != 0) { 76827c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "process_rcm_events", 76837c478bd9Sstevel@tonic-gate strerror(err)); 76847c478bd9Sstevel@tonic-gate goto out; 76857c478bd9Sstevel@tonic-gate } 76867c478bd9Sstevel@tonic-gate 76877c478bd9Sstevel@tonic-gate rcm_hdl = hdl; 76887c478bd9Sstevel@tonic-gate return (0); 76897c478bd9Sstevel@tonic-gate 76907c478bd9Sstevel@tonic-gate out: 76917c478bd9Sstevel@tonic-gate if (hdl) 76927c478bd9Sstevel@tonic-gate librcm_free_handle(hdl); 76937c478bd9Sstevel@tonic-gate (void) dlclose(librcm_hdl); 76947c478bd9Sstevel@tonic-gate return (-1); 76957c478bd9Sstevel@tonic-gate } 76967c478bd9Sstevel@tonic-gate 76977c478bd9Sstevel@tonic-gate /* 76987c478bd9Sstevel@tonic-gate * Build an nvlist using the minor data. Pack it and add the packed nvlist 76997c478bd9Sstevel@tonic-gate * as a byte array to nv_list parameter. 77007c478bd9Sstevel@tonic-gate * Return 0 on success, errno on failure. 77017c478bd9Sstevel@tonic-gate */ 77027c478bd9Sstevel@tonic-gate static int 77037c478bd9Sstevel@tonic-gate add_minor_data_to_nvl(nvlist_t *nv_list, di_minor_t minor) 77047c478bd9Sstevel@tonic-gate { 77057c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 77067c478bd9Sstevel@tonic-gate int32_t minor_type; 77077c478bd9Sstevel@tonic-gate char *minor_name, *minor_node_type; 77087c478bd9Sstevel@tonic-gate int err; 77097c478bd9Sstevel@tonic-gate char *buf = NULL; 77107c478bd9Sstevel@tonic-gate size_t buflen = 0; 77117c478bd9Sstevel@tonic-gate 77127c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, 0, 0)) != 0) 77137c478bd9Sstevel@tonic-gate return (err); 77147c478bd9Sstevel@tonic-gate 77157c478bd9Sstevel@tonic-gate minor_type = (int32_t)di_minor_type(minor); 77167c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, RCM_NV_MINOR_TYPE, minor_type)) != 0) 77177c478bd9Sstevel@tonic-gate goto error; 77187c478bd9Sstevel@tonic-gate 77197c478bd9Sstevel@tonic-gate minor_name = di_minor_name(minor); 77207c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_MINOR_NAME, minor_name)) != 0) 77217c478bd9Sstevel@tonic-gate goto error; 77227c478bd9Sstevel@tonic-gate 77237c478bd9Sstevel@tonic-gate if ((minor_node_type = di_minor_nodetype(minor)) == NULL) 77247c478bd9Sstevel@tonic-gate minor_node_type = ""; 77257c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_MINOR_NODE_TYPE, 77267c478bd9Sstevel@tonic-gate minor_node_type)) != 0) 77277c478bd9Sstevel@tonic-gate goto error; 77287c478bd9Sstevel@tonic-gate 77297c478bd9Sstevel@tonic-gate if ((err = nvlist_pack(nvl, &buf, &buflen, NV_ENCODE_NATIVE, 0)) != 0) 77307c478bd9Sstevel@tonic-gate goto error; 77317c478bd9Sstevel@tonic-gate 77327c478bd9Sstevel@tonic-gate err = nvlist_add_byte_array(nv_list, RCM_NV_MINOR_DATA, 77337c478bd9Sstevel@tonic-gate (uchar_t *)(buf), (uint_t)(buflen)); 77347c478bd9Sstevel@tonic-gate 77357c478bd9Sstevel@tonic-gate error: 77367c478bd9Sstevel@tonic-gate nvlist_free(nvl); 77377c478bd9Sstevel@tonic-gate if (buf) 77387c478bd9Sstevel@tonic-gate free(buf); 77397c478bd9Sstevel@tonic-gate return (err); 77407c478bd9Sstevel@tonic-gate } 77417c478bd9Sstevel@tonic-gate 77427c478bd9Sstevel@tonic-gate static void 77437c478bd9Sstevel@tonic-gate enqueue_rcm_event(nvlist_t *nvl) 77447c478bd9Sstevel@tonic-gate { 77457c478bd9Sstevel@tonic-gate struct rcm_eventq *ev; 77467c478bd9Sstevel@tonic-gate 77477c478bd9Sstevel@tonic-gate ev = (struct rcm_eventq *)s_zalloc(sizeof (struct rcm_eventq)); 77487c478bd9Sstevel@tonic-gate ev->nvl = nvl; 77497c478bd9Sstevel@tonic-gate 77507c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 77517c478bd9Sstevel@tonic-gate if (rcm_eventq_head == NULL) 77527c478bd9Sstevel@tonic-gate rcm_eventq_head = ev; 77537c478bd9Sstevel@tonic-gate else 77547c478bd9Sstevel@tonic-gate rcm_eventq_tail->next = ev; 77557c478bd9Sstevel@tonic-gate rcm_eventq_tail = ev; 77567c478bd9Sstevel@tonic-gate (void) cond_broadcast(&rcm_eventq_cv); 77577c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 77587c478bd9Sstevel@tonic-gate } 77597c478bd9Sstevel@tonic-gate 77607c478bd9Sstevel@tonic-gate /* 77617c478bd9Sstevel@tonic-gate * Generate an nvlist using the information given in node and minor_name. 77627c478bd9Sstevel@tonic-gate * If minor_name is NULL the nvlist will contain information on 77637c478bd9Sstevel@tonic-gate * all minor nodes. Otherwise the nvlist will contain information 77647c478bd9Sstevel@tonic-gate * only on the given minor_name. Notify RCM passing the nvlist. 77657c478bd9Sstevel@tonic-gate * 77667c478bd9Sstevel@tonic-gate * Return 0 upon successfully notifying RCM, errno on failure. 77677c478bd9Sstevel@tonic-gate */ 77687c478bd9Sstevel@tonic-gate static int 77697c478bd9Sstevel@tonic-gate notify_rcm(di_node_t node, char *minor_name) 77707c478bd9Sstevel@tonic-gate { 77717c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 77727c478bd9Sstevel@tonic-gate char *path, *driver_name; 77737c478bd9Sstevel@tonic-gate char *node_name; 77747c478bd9Sstevel@tonic-gate int err; 77757c478bd9Sstevel@tonic-gate int32_t instance; 77767c478bd9Sstevel@tonic-gate di_minor_t minor; 77777c478bd9Sstevel@tonic-gate 77787c478bd9Sstevel@tonic-gate if ((driver_name = di_driver_name(node)) == NULL) 77797c478bd9Sstevel@tonic-gate driver_name = ""; 77807c478bd9Sstevel@tonic-gate 77817c478bd9Sstevel@tonic-gate instance = (int32_t)di_instance(node); 77827c478bd9Sstevel@tonic-gate 77837c478bd9Sstevel@tonic-gate if ((path = di_devfs_path(node)) == NULL) { 77847c478bd9Sstevel@tonic-gate err = errno; 77857c478bd9Sstevel@tonic-gate goto error; 77867c478bd9Sstevel@tonic-gate } 77877c478bd9Sstevel@tonic-gate 77887c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, 0, 0)) != 0) 77897c478bd9Sstevel@tonic-gate goto error; 77907c478bd9Sstevel@tonic-gate 77917c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_DRIVER_NAME, driver_name)) 77927c478bd9Sstevel@tonic-gate != 0) 77937c478bd9Sstevel@tonic-gate goto error; 77947c478bd9Sstevel@tonic-gate 77957c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, RCM_NV_INSTANCE, instance)) != 0) 77967c478bd9Sstevel@tonic-gate goto error; 77977c478bd9Sstevel@tonic-gate 77987c478bd9Sstevel@tonic-gate if ((node_name = di_node_name(node)) == NULL) 77997c478bd9Sstevel@tonic-gate node_name = ""; 78007c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_NODE_NAME, node_name)) != 0) 78017c478bd9Sstevel@tonic-gate goto error; 78027c478bd9Sstevel@tonic-gate 78037c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_DEVFS_PATH, path)) != 0) 78047c478bd9Sstevel@tonic-gate goto error; 78057c478bd9Sstevel@tonic-gate 78067c478bd9Sstevel@tonic-gate minor = di_minor_next(node, DI_MINOR_NIL); 78077c478bd9Sstevel@tonic-gate while (minor != DI_MINOR_NIL) { 78087c478bd9Sstevel@tonic-gate if ((minor_name == NULL) || 78097c478bd9Sstevel@tonic-gate (strcmp(minor_name, di_minor_name(minor)) == 0)) { 78107c478bd9Sstevel@tonic-gate if ((err = add_minor_data_to_nvl(nvl, minor)) != 0) 78117c478bd9Sstevel@tonic-gate goto error; 78127c478bd9Sstevel@tonic-gate } 78137c478bd9Sstevel@tonic-gate minor = di_minor_next(node, minor); 78147c478bd9Sstevel@tonic-gate } 78157c478bd9Sstevel@tonic-gate 78167c478bd9Sstevel@tonic-gate enqueue_rcm_event(nvl); 78177c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 78187c478bd9Sstevel@tonic-gate return (0); 78197c478bd9Sstevel@tonic-gate 78207c478bd9Sstevel@tonic-gate error: 78217c478bd9Sstevel@tonic-gate err_print(RCM_NVLIST_BUILD_ERROR, ((path != NULL) ? path : "unknown"), 78227c478bd9Sstevel@tonic-gate driver_name, instance, strerror(err)); 78237c478bd9Sstevel@tonic-gate 78247c478bd9Sstevel@tonic-gate if (path) 78257c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 78267c478bd9Sstevel@tonic-gate if (nvl) 78277c478bd9Sstevel@tonic-gate nvlist_free(nvl); 78287c478bd9Sstevel@tonic-gate return (err); 78297c478bd9Sstevel@tonic-gate } 78307c478bd9Sstevel@tonic-gate 78317c478bd9Sstevel@tonic-gate /* 78327c478bd9Sstevel@tonic-gate * Add the specified property to nvl. 78337c478bd9Sstevel@tonic-gate * Returns: 78347c478bd9Sstevel@tonic-gate * 0 successfully added 78357c478bd9Sstevel@tonic-gate * -1 an error occurred 78367c478bd9Sstevel@tonic-gate * 1 could not add the property for reasons not due to errors. 78377c478bd9Sstevel@tonic-gate */ 78387c478bd9Sstevel@tonic-gate static int 78397c478bd9Sstevel@tonic-gate add_property(nvlist_t *nvl, di_prop_t prop) 78407c478bd9Sstevel@tonic-gate { 78417c478bd9Sstevel@tonic-gate char *name; 78427c478bd9Sstevel@tonic-gate char *attr_name; 78437c478bd9Sstevel@tonic-gate int n, len; 78447c478bd9Sstevel@tonic-gate int32_t *int32p; 78457c478bd9Sstevel@tonic-gate int64_t *int64p; 78467c478bd9Sstevel@tonic-gate char *str; 78477c478bd9Sstevel@tonic-gate char **strarray; 78487c478bd9Sstevel@tonic-gate uchar_t *bytep; 78497c478bd9Sstevel@tonic-gate int rv = 0; 78507c478bd9Sstevel@tonic-gate int i; 78517c478bd9Sstevel@tonic-gate 78527c478bd9Sstevel@tonic-gate if ((name = di_prop_name(prop)) == NULL) 78537c478bd9Sstevel@tonic-gate return (-1); 78547c478bd9Sstevel@tonic-gate 78557c478bd9Sstevel@tonic-gate len = sizeof (DEV_PROP_PREFIX) + strlen(name); 78567c478bd9Sstevel@tonic-gate if ((attr_name = malloc(len)) == NULL) 78577c478bd9Sstevel@tonic-gate return (-1); 78587c478bd9Sstevel@tonic-gate 78597c478bd9Sstevel@tonic-gate (void) strlcpy(attr_name, DEV_PROP_PREFIX, len); 78607c478bd9Sstevel@tonic-gate (void) strlcat(attr_name, name, len); 78617c478bd9Sstevel@tonic-gate 78627c478bd9Sstevel@tonic-gate switch (di_prop_type(prop)) { 78637c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BOOLEAN: 78647c478bd9Sstevel@tonic-gate if (nvlist_add_boolean(nvl, attr_name) != 0) 78657c478bd9Sstevel@tonic-gate goto out; 78667c478bd9Sstevel@tonic-gate break; 78677c478bd9Sstevel@tonic-gate 78687c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT: 78697c478bd9Sstevel@tonic-gate if ((n = di_prop_ints(prop, &int32p)) < 1) 78707c478bd9Sstevel@tonic-gate goto out; 78717c478bd9Sstevel@tonic-gate 78727c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int32_t))) { 78737c478bd9Sstevel@tonic-gate if (nvlist_add_int32_array(nvl, attr_name, int32p, 78747c478bd9Sstevel@tonic-gate n) != 0) 78757c478bd9Sstevel@tonic-gate goto out; 78767c478bd9Sstevel@tonic-gate } else 78777c478bd9Sstevel@tonic-gate rv = 1; 78787c478bd9Sstevel@tonic-gate break; 78797c478bd9Sstevel@tonic-gate 78807c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT64: 78817c478bd9Sstevel@tonic-gate if ((n = di_prop_int64(prop, &int64p)) < 1) 78827c478bd9Sstevel@tonic-gate goto out; 78837c478bd9Sstevel@tonic-gate 78847c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int64_t))) { 78857c478bd9Sstevel@tonic-gate if (nvlist_add_int64_array(nvl, attr_name, int64p, 78867c478bd9Sstevel@tonic-gate n) != 0) 78877c478bd9Sstevel@tonic-gate goto out; 78887c478bd9Sstevel@tonic-gate } else 78897c478bd9Sstevel@tonic-gate rv = 1; 78907c478bd9Sstevel@tonic-gate break; 78917c478bd9Sstevel@tonic-gate 78927c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BYTE: 78937c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_UNKNOWN: 78947c478bd9Sstevel@tonic-gate if ((n = di_prop_bytes(prop, &bytep)) < 1) 78957c478bd9Sstevel@tonic-gate goto out; 78967c478bd9Sstevel@tonic-gate 78977c478bd9Sstevel@tonic-gate if (n <= PROP_LEN_LIMIT) { 78987c478bd9Sstevel@tonic-gate if (nvlist_add_byte_array(nvl, attr_name, bytep, n) 78997c478bd9Sstevel@tonic-gate != 0) 79007c478bd9Sstevel@tonic-gate goto out; 79017c478bd9Sstevel@tonic-gate } else 79027c478bd9Sstevel@tonic-gate rv = 1; 79037c478bd9Sstevel@tonic-gate break; 79047c478bd9Sstevel@tonic-gate 79057c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_STRING: 79067c478bd9Sstevel@tonic-gate if ((n = di_prop_strings(prop, &str)) < 1) 79077c478bd9Sstevel@tonic-gate goto out; 79087c478bd9Sstevel@tonic-gate 79097c478bd9Sstevel@tonic-gate if ((strarray = malloc(n * sizeof (char *))) == NULL) 79107c478bd9Sstevel@tonic-gate goto out; 79117c478bd9Sstevel@tonic-gate 79127c478bd9Sstevel@tonic-gate len = 0; 79137c478bd9Sstevel@tonic-gate for (i = 0; i < n; i++) { 79147c478bd9Sstevel@tonic-gate strarray[i] = str + len; 79157c478bd9Sstevel@tonic-gate len += strlen(strarray[i]) + 1; 79167c478bd9Sstevel@tonic-gate } 79177c478bd9Sstevel@tonic-gate 79187c478bd9Sstevel@tonic-gate if (len <= PROP_LEN_LIMIT) { 79197c478bd9Sstevel@tonic-gate if (nvlist_add_string_array(nvl, attr_name, strarray, 79207c478bd9Sstevel@tonic-gate n) != 0) { 79217c478bd9Sstevel@tonic-gate free(strarray); 79227c478bd9Sstevel@tonic-gate goto out; 79237c478bd9Sstevel@tonic-gate } 79247c478bd9Sstevel@tonic-gate } else 79257c478bd9Sstevel@tonic-gate rv = 1; 79267c478bd9Sstevel@tonic-gate free(strarray); 79277c478bd9Sstevel@tonic-gate break; 79287c478bd9Sstevel@tonic-gate 79297c478bd9Sstevel@tonic-gate default: 79307c478bd9Sstevel@tonic-gate rv = 1; 79317c478bd9Sstevel@tonic-gate break; 79327c478bd9Sstevel@tonic-gate } 79337c478bd9Sstevel@tonic-gate 79347c478bd9Sstevel@tonic-gate free(attr_name); 79357c478bd9Sstevel@tonic-gate return (rv); 79367c478bd9Sstevel@tonic-gate 79377c478bd9Sstevel@tonic-gate out: 79387c478bd9Sstevel@tonic-gate free(attr_name); 79397c478bd9Sstevel@tonic-gate return (-1); 79407c478bd9Sstevel@tonic-gate } 79417c478bd9Sstevel@tonic-gate 79427c478bd9Sstevel@tonic-gate static void 79437c478bd9Sstevel@tonic-gate free_dev_names(struct devlink_cb_arg *x) 79447c478bd9Sstevel@tonic-gate { 79457c478bd9Sstevel@tonic-gate int i; 79467c478bd9Sstevel@tonic-gate 79477c478bd9Sstevel@tonic-gate for (i = 0; i < x->count; i++) { 79487c478bd9Sstevel@tonic-gate free(x->dev_names[i]); 79497c478bd9Sstevel@tonic-gate free(x->link_contents[i]); 79507c478bd9Sstevel@tonic-gate } 79517c478bd9Sstevel@tonic-gate } 79527c478bd9Sstevel@tonic-gate 79537c478bd9Sstevel@tonic-gate /* callback function for di_devlink_cache_walk */ 79547c478bd9Sstevel@tonic-gate static int 79557c478bd9Sstevel@tonic-gate devlink_cb(di_devlink_t dl, void *arg) 79567c478bd9Sstevel@tonic-gate { 79577c478bd9Sstevel@tonic-gate struct devlink_cb_arg *x = (struct devlink_cb_arg *)arg; 79587c478bd9Sstevel@tonic-gate const char *path; 79597c478bd9Sstevel@tonic-gate const char *content; 79607c478bd9Sstevel@tonic-gate 79617c478bd9Sstevel@tonic-gate if ((path = di_devlink_path(dl)) == NULL || 79627c478bd9Sstevel@tonic-gate (content = di_devlink_content(dl)) == NULL || 79637c478bd9Sstevel@tonic-gate (x->dev_names[x->count] = strdup(path)) == NULL) 79647c478bd9Sstevel@tonic-gate goto out; 79657c478bd9Sstevel@tonic-gate 79667c478bd9Sstevel@tonic-gate if ((x->link_contents[x->count] = strdup(content)) == NULL) { 79677c478bd9Sstevel@tonic-gate free(x->dev_names[x->count]); 79687c478bd9Sstevel@tonic-gate goto out; 79697c478bd9Sstevel@tonic-gate } 79707c478bd9Sstevel@tonic-gate 79717c478bd9Sstevel@tonic-gate x->count++; 79727c478bd9Sstevel@tonic-gate if (x->count >= MAX_DEV_NAME_COUNT) 79737c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 79747c478bd9Sstevel@tonic-gate 79757c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 79767c478bd9Sstevel@tonic-gate 79777c478bd9Sstevel@tonic-gate out: 79787c478bd9Sstevel@tonic-gate x->rv = -1; 79797c478bd9Sstevel@tonic-gate free_dev_names(x); 79807c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 79817c478bd9Sstevel@tonic-gate } 79827c478bd9Sstevel@tonic-gate 79837c478bd9Sstevel@tonic-gate /* 79847c478bd9Sstevel@tonic-gate * Lookup dev name corresponding to the phys_path. 79857c478bd9Sstevel@tonic-gate * phys_path is path to a node or minor node. 79867c478bd9Sstevel@tonic-gate * Returns: 79877c478bd9Sstevel@tonic-gate * 0 with *dev_name set to the dev name 79887c478bd9Sstevel@tonic-gate * Lookup succeeded and dev_name found 79897c478bd9Sstevel@tonic-gate * 0 with *dev_name set to NULL 79907c478bd9Sstevel@tonic-gate * Lookup encountered no errors but dev name not found 79917c478bd9Sstevel@tonic-gate * -1 79927c478bd9Sstevel@tonic-gate * Lookup failed 79937c478bd9Sstevel@tonic-gate */ 79947c478bd9Sstevel@tonic-gate static int 79957c478bd9Sstevel@tonic-gate lookup_dev_name(char *phys_path, char **dev_name) 79967c478bd9Sstevel@tonic-gate { 79977c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 79987c478bd9Sstevel@tonic-gate 79997c478bd9Sstevel@tonic-gate *dev_name = NULL; 80007c478bd9Sstevel@tonic-gate 80017c478bd9Sstevel@tonic-gate cb_arg.count = 0; 80027c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 80037c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, phys_path, 80047c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 80057c478bd9Sstevel@tonic-gate 80067c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1) 80077c478bd9Sstevel@tonic-gate return (-1); 80087c478bd9Sstevel@tonic-gate 80097c478bd9Sstevel@tonic-gate if (cb_arg.count > 0) { 80107c478bd9Sstevel@tonic-gate *dev_name = strdup(cb_arg.dev_names[0]); 80117c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 80127c478bd9Sstevel@tonic-gate if (*dev_name == NULL) 80137c478bd9Sstevel@tonic-gate return (-1); 80147c478bd9Sstevel@tonic-gate } 80157c478bd9Sstevel@tonic-gate 80167c478bd9Sstevel@tonic-gate return (0); 80177c478bd9Sstevel@tonic-gate } 80187c478bd9Sstevel@tonic-gate 80197c478bd9Sstevel@tonic-gate static char * 80207c478bd9Sstevel@tonic-gate lookup_disk_dev_name(char *node_path) 80217c478bd9Sstevel@tonic-gate { 80227c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 80237c478bd9Sstevel@tonic-gate char *dev_name = NULL; 80247c478bd9Sstevel@tonic-gate int i; 80257c478bd9Sstevel@tonic-gate char *p; 80267c478bd9Sstevel@tonic-gate int len1, len2; 80277c478bd9Sstevel@tonic-gate 80287c478bd9Sstevel@tonic-gate #define DEV_RDSK "/dev/rdsk/" 80297c478bd9Sstevel@tonic-gate #define DISK_RAW_MINOR ",raw" 80307c478bd9Sstevel@tonic-gate 80317c478bd9Sstevel@tonic-gate cb_arg.count = 0; 80327c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 80337c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 80347c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 80357c478bd9Sstevel@tonic-gate 80367c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1 || cb_arg.count == 0) 80377c478bd9Sstevel@tonic-gate return (NULL); 80387c478bd9Sstevel@tonic-gate 80397c478bd9Sstevel@tonic-gate /* first try lookup based on /dev/rdsk name */ 80407c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 80417c478bd9Sstevel@tonic-gate if (strncmp(cb_arg.dev_names[i], DEV_RDSK, 80427c478bd9Sstevel@tonic-gate sizeof (DEV_RDSK) - 1) == 0) { 80437c478bd9Sstevel@tonic-gate dev_name = strdup(cb_arg.dev_names[i]); 80447c478bd9Sstevel@tonic-gate break; 80457c478bd9Sstevel@tonic-gate } 80467c478bd9Sstevel@tonic-gate } 80477c478bd9Sstevel@tonic-gate 80487c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 80497c478bd9Sstevel@tonic-gate /* now try lookup based on a minor name ending with ",raw" */ 80507c478bd9Sstevel@tonic-gate len1 = sizeof (DISK_RAW_MINOR) - 1; 80517c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 80527c478bd9Sstevel@tonic-gate len2 = strlen(cb_arg.link_contents[i]); 80537c478bd9Sstevel@tonic-gate if (len2 >= len1 && 80547c478bd9Sstevel@tonic-gate strcmp(cb_arg.link_contents[i] + len2 - len1, 80557c478bd9Sstevel@tonic-gate DISK_RAW_MINOR) == 0) { 80567c478bd9Sstevel@tonic-gate dev_name = strdup(cb_arg.dev_names[i]); 80577c478bd9Sstevel@tonic-gate break; 80587c478bd9Sstevel@tonic-gate } 80597c478bd9Sstevel@tonic-gate } 80607c478bd9Sstevel@tonic-gate } 80617c478bd9Sstevel@tonic-gate 80627c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 80637c478bd9Sstevel@tonic-gate 80647c478bd9Sstevel@tonic-gate if (strlen(dev_name) == 0) { 80657c478bd9Sstevel@tonic-gate free(dev_name); 80667c478bd9Sstevel@tonic-gate return (NULL); 80677c478bd9Sstevel@tonic-gate } 80687c478bd9Sstevel@tonic-gate 80697c478bd9Sstevel@tonic-gate /* if the name contains slice or partition number strip it */ 80707c478bd9Sstevel@tonic-gate p = dev_name + strlen(dev_name) - 1; 80717c478bd9Sstevel@tonic-gate if (isdigit(*p)) { 80727c478bd9Sstevel@tonic-gate while (p != dev_name && isdigit(*p)) 80737c478bd9Sstevel@tonic-gate p--; 80747c478bd9Sstevel@tonic-gate if (*p == 's' || *p == 'p') 80757c478bd9Sstevel@tonic-gate *p = '\0'; 80767c478bd9Sstevel@tonic-gate } 80777c478bd9Sstevel@tonic-gate 80787c478bd9Sstevel@tonic-gate return (dev_name); 80797c478bd9Sstevel@tonic-gate } 80807c478bd9Sstevel@tonic-gate 80817c478bd9Sstevel@tonic-gate static char * 80827c478bd9Sstevel@tonic-gate lookup_network_dev_name(char *node_path, char *driver_name) 80837c478bd9Sstevel@tonic-gate { 80847c478bd9Sstevel@tonic-gate char *dev_name = NULL; 80857c478bd9Sstevel@tonic-gate char phys_path[MAXPATHLEN]; 80867c478bd9Sstevel@tonic-gate 80877c478bd9Sstevel@tonic-gate if (lookup_dev_name(node_path, &dev_name) == -1) 80887c478bd9Sstevel@tonic-gate return (NULL); 80897c478bd9Sstevel@tonic-gate 80907c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 80917c478bd9Sstevel@tonic-gate /* dlpi style-2 only interface */ 80927c478bd9Sstevel@tonic-gate (void) snprintf(phys_path, sizeof (phys_path), 80937c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", driver_name); 80947c478bd9Sstevel@tonic-gate if (lookup_dev_name(phys_path, &dev_name) == -1 || 80957c478bd9Sstevel@tonic-gate dev_name == NULL) 80967c478bd9Sstevel@tonic-gate return (NULL); 80977c478bd9Sstevel@tonic-gate } 80987c478bd9Sstevel@tonic-gate 80997c478bd9Sstevel@tonic-gate return (dev_name); 81007c478bd9Sstevel@tonic-gate } 81017c478bd9Sstevel@tonic-gate 81027c478bd9Sstevel@tonic-gate /* 81037c478bd9Sstevel@tonic-gate * Build an nvlist containing all attributes for devfs events. 81047c478bd9Sstevel@tonic-gate * Returns nvlist pointer on success, NULL on failure. 81057c478bd9Sstevel@tonic-gate */ 81067c478bd9Sstevel@tonic-gate static nvlist_t * 81077c478bd9Sstevel@tonic-gate build_event_attributes(char *class, char *subclass, char *node_path, 81087c478bd9Sstevel@tonic-gate di_node_t node, char *driver_name, int instance) 81097c478bd9Sstevel@tonic-gate { 81107c478bd9Sstevel@tonic-gate nvlist_t *nvl; 81117c478bd9Sstevel@tonic-gate int err = 0; 81127c478bd9Sstevel@tonic-gate di_prop_t prop; 81137c478bd9Sstevel@tonic-gate int count; 81147c478bd9Sstevel@tonic-gate char *prop_name; 81157c478bd9Sstevel@tonic-gate int x; 81167c478bd9Sstevel@tonic-gate char *dev_name = NULL; 81177c478bd9Sstevel@tonic-gate int dev_name_lookup_err = 0; 81187c478bd9Sstevel@tonic-gate 81197c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, NV_UNIQUE_NAME_TYPE, 0)) != 0) { 81207c478bd9Sstevel@tonic-gate nvl = NULL; 81217c478bd9Sstevel@tonic-gate goto out; 81227c478bd9Sstevel@tonic-gate } 81237c478bd9Sstevel@tonic-gate 81247c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, EV_VERSION, EV_V1)) != 0) 81257c478bd9Sstevel@tonic-gate goto out; 81267c478bd9Sstevel@tonic-gate 81277c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_PHYS_PATH, node_path)) != 0) 81287c478bd9Sstevel@tonic-gate goto out; 81297c478bd9Sstevel@tonic-gate 81307c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) != 0 && 81317c478bd9Sstevel@tonic-gate strcmp(class, EC_DEV_REMOVE) != 0) 81327c478bd9Sstevel@tonic-gate return (nvl); 81337c478bd9Sstevel@tonic-gate 81347c478bd9Sstevel@tonic-gate if (driver_name == NULL || instance == -1) 81357c478bd9Sstevel@tonic-gate goto out; 81367c478bd9Sstevel@tonic-gate 81377c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DISK) == 0) { 81387c478bd9Sstevel@tonic-gate if ((dev_name = lookup_disk_dev_name(node_path)) == NULL) { 81397c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 81407c478bd9Sstevel@tonic-gate goto out; 81417c478bd9Sstevel@tonic-gate } 81427c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_NETWORK) == 0) { 81437c478bd9Sstevel@tonic-gate if ((dev_name = lookup_network_dev_name(node_path, driver_name)) 81447c478bd9Sstevel@tonic-gate == NULL) { 81457c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 81467c478bd9Sstevel@tonic-gate goto out; 81477c478bd9Sstevel@tonic-gate } 81487c478bd9Sstevel@tonic-gate } 81497c478bd9Sstevel@tonic-gate 81507c478bd9Sstevel@tonic-gate if (dev_name) { 81517c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_NAME, dev_name)) != 0) 81527c478bd9Sstevel@tonic-gate goto out; 81537c478bd9Sstevel@tonic-gate free(dev_name); 81547c478bd9Sstevel@tonic-gate dev_name = NULL; 81557c478bd9Sstevel@tonic-gate } 81567c478bd9Sstevel@tonic-gate 81577c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_DRIVER_NAME, driver_name)) != 0) 81587c478bd9Sstevel@tonic-gate goto out; 81597c478bd9Sstevel@tonic-gate 81607c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, DEV_INSTANCE, instance)) != 0) 81617c478bd9Sstevel@tonic-gate goto out; 81627c478bd9Sstevel@tonic-gate 81637c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) == 0) { 81647c478bd9Sstevel@tonic-gate /* add properties */ 81657c478bd9Sstevel@tonic-gate count = 0; 81667c478bd9Sstevel@tonic-gate for (prop = di_prop_next(node, DI_PROP_NIL); 81677c478bd9Sstevel@tonic-gate prop != DI_PROP_NIL && count < MAX_PROP_COUNT; 81687c478bd9Sstevel@tonic-gate prop = di_prop_next(node, prop)) { 81697c478bd9Sstevel@tonic-gate 81707c478bd9Sstevel@tonic-gate if (di_prop_devt(prop) != DDI_DEV_T_NONE) 81717c478bd9Sstevel@tonic-gate continue; 81727c478bd9Sstevel@tonic-gate 81737c478bd9Sstevel@tonic-gate if ((x = add_property(nvl, prop)) == 0) 81747c478bd9Sstevel@tonic-gate count++; 81757c478bd9Sstevel@tonic-gate else if (x == -1) { 81767c478bd9Sstevel@tonic-gate if ((prop_name = di_prop_name(prop)) == NULL) 81777c478bd9Sstevel@tonic-gate prop_name = ""; 81787c478bd9Sstevel@tonic-gate err_print(PROP_ADD_FAILED, prop_name); 81797c478bd9Sstevel@tonic-gate goto out; 81807c478bd9Sstevel@tonic-gate } 81817c478bd9Sstevel@tonic-gate } 81827c478bd9Sstevel@tonic-gate } 81837c478bd9Sstevel@tonic-gate 81847c478bd9Sstevel@tonic-gate return (nvl); 81857c478bd9Sstevel@tonic-gate 81867c478bd9Sstevel@tonic-gate out: 81877c478bd9Sstevel@tonic-gate if (nvl) 81887c478bd9Sstevel@tonic-gate nvlist_free(nvl); 81897c478bd9Sstevel@tonic-gate 81907c478bd9Sstevel@tonic-gate if (dev_name) 81917c478bd9Sstevel@tonic-gate free(dev_name); 81927c478bd9Sstevel@tonic-gate 81937c478bd9Sstevel@tonic-gate if (dev_name_lookup_err) 81947c478bd9Sstevel@tonic-gate err_print(DEV_NAME_LOOKUP_FAILED, node_path); 81957c478bd9Sstevel@tonic-gate else 81967c478bd9Sstevel@tonic-gate err_print(BUILD_EVENT_ATTR_FAILED, (err) ? strerror(err) : ""); 81977c478bd9Sstevel@tonic-gate return (NULL); 81987c478bd9Sstevel@tonic-gate } 81997c478bd9Sstevel@tonic-gate 82007c478bd9Sstevel@tonic-gate static void 82017c478bd9Sstevel@tonic-gate log_event(char *class, char *subclass, nvlist_t *nvl) 82027c478bd9Sstevel@tonic-gate { 82037c478bd9Sstevel@tonic-gate sysevent_id_t eid; 82047c478bd9Sstevel@tonic-gate 82057c478bd9Sstevel@tonic-gate if (sysevent_post_event(class, subclass, "SUNW", DEVFSADMD, 82067c478bd9Sstevel@tonic-gate nvl, &eid) != 0) { 82077c478bd9Sstevel@tonic-gate err_print(LOG_EVENT_FAILED, strerror(errno)); 82087c478bd9Sstevel@tonic-gate } 82097c478bd9Sstevel@tonic-gate } 82107c478bd9Sstevel@tonic-gate 82117c478bd9Sstevel@tonic-gate static void 82127c478bd9Sstevel@tonic-gate build_and_log_event(char *class, char *subclass, char *node_path, 82137c478bd9Sstevel@tonic-gate di_node_t node) 82147c478bd9Sstevel@tonic-gate { 82157c478bd9Sstevel@tonic-gate nvlist_t *nvl; 82167c478bd9Sstevel@tonic-gate 82177c478bd9Sstevel@tonic-gate if (node != DI_NODE_NIL) 82187c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 82197c478bd9Sstevel@tonic-gate di_driver_name(node), di_instance(node)); 82207c478bd9Sstevel@tonic-gate else 82217c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 82227c478bd9Sstevel@tonic-gate NULL, -1); 82237c478bd9Sstevel@tonic-gate 82247c478bd9Sstevel@tonic-gate if (nvl) { 82257c478bd9Sstevel@tonic-gate log_event(class, subclass, nvl); 82267c478bd9Sstevel@tonic-gate nvlist_free(nvl); 82277c478bd9Sstevel@tonic-gate } 82287c478bd9Sstevel@tonic-gate } 8229