17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5055e805aSedp * Common Development and Distribution License (the "License"). 6055e805aSedp * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21055e805aSedp 227c478bd9Sstevel@tonic-gate /* 23d62bc4baSyz * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* 287c478bd9Sstevel@tonic-gate * Devfsadm replaces drvconfig, audlinks, disks, tapes, ports, devlinks 297c478bd9Sstevel@tonic-gate * as a general purpose device administrative utility. It creates 307c478bd9Sstevel@tonic-gate * devices special files in /devices and logical links in /dev, and 317c478bd9Sstevel@tonic-gate * coordinates updates to /etc/path_to_instance with the kernel. It 327c478bd9Sstevel@tonic-gate * operates in both command line mode to handle user or script invoked 337c478bd9Sstevel@tonic-gate * reconfiguration updates, and operates in daemon mode to handle dynamic 347c478bd9Sstevel@tonic-gate * reconfiguration for hotplugging support. 357c478bd9Sstevel@tonic-gate */ 367c478bd9Sstevel@tonic-gate 3745916cd2Sjpk #include <string.h> 38f875b4ebSrica #include <deflt.h> 3945916cd2Sjpk #include <tsol/label.h> 4045916cd2Sjpk #include <bsm/devices.h> 4145916cd2Sjpk #include <bsm/devalloc.h> 427c478bd9Sstevel@tonic-gate #include <utime.h> 436638bf60Saj #include <sys/param.h> 446638bf60Saj #include <bsm/libbsm.h> 4545916cd2Sjpk #include "devfsadm_impl.h" 467c478bd9Sstevel@tonic-gate 4745916cd2Sjpk /* externs from devalloc.c */ 4845916cd2Sjpk extern void _reset_devalloc(int); 4945916cd2Sjpk extern void _update_devalloc_db(devlist_t *, int, int, char *, char *); 5045916cd2Sjpk extern int _da_check_for_usb(char *, char *); 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate /* create or remove nodes or links. unset with -n */ 537c478bd9Sstevel@tonic-gate static int file_mods = TRUE; 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate /* cleanup mode. Set with -C */ 567c478bd9Sstevel@tonic-gate static int cleanup = FALSE; 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate /* devlinks -d compatibility */ 597c478bd9Sstevel@tonic-gate static int devlinks_debug = FALSE; 607c478bd9Sstevel@tonic-gate 6145916cd2Sjpk /* flag to check if system is labeled */ 6245916cd2Sjpk int system_labeled = FALSE; 6345916cd2Sjpk 6445916cd2Sjpk /* flag to enable/disable device allocation with -e/-d */ 6545916cd2Sjpk static int devalloc_flag = 0; 6645916cd2Sjpk 676638bf60Saj /* flag that indicates if device allocation is on or not */ 686638bf60Saj static int devalloc_is_on = 0; 696638bf60Saj 7045916cd2Sjpk /* flag to update device allocation database for this device type */ 7145916cd2Sjpk static int update_devdb = 0; 7245916cd2Sjpk 7345916cd2Sjpk /* 7445916cd2Sjpk * devices to be deallocated with -d : 7545916cd2Sjpk * audio, floppy, cd, floppy, tape, rmdisk. 7645916cd2Sjpk */ 7745916cd2Sjpk static char *devalloc_list[10] = {DDI_NT_AUDIO, DDI_NT_CD, DDI_NT_CD_CHAN, 7845916cd2Sjpk DDI_NT_FD, DDI_NT_TAPE, DDI_NT_BLOCK_CHAN, 7945916cd2Sjpk DDI_NT_UGEN, DDI_NT_USB_ATTACHMENT_POINT, 8045916cd2Sjpk DDI_NT_SCSI_NEXUS, NULL}; 817c478bd9Sstevel@tonic-gate 8245916cd2Sjpk /* list of allocatable devices */ 8345916cd2Sjpk static devlist_t devlist; 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate /* load a single driver only. set with -i */ 867c478bd9Sstevel@tonic-gate static int single_drv = FALSE; 877c478bd9Sstevel@tonic-gate static char *driver = NULL; 887c478bd9Sstevel@tonic-gate 897c478bd9Sstevel@tonic-gate /* attempt to load drivers or defer attach nodes */ 907c478bd9Sstevel@tonic-gate static int load_attach_drv = TRUE; 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate /* set if invoked via /usr/lib/devfsadm/devfsadmd */ 937c478bd9Sstevel@tonic-gate static int daemon_mode = FALSE; 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate /* output directed to syslog during daemon mode if set */ 967c478bd9Sstevel@tonic-gate static int logflag = FALSE; 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate /* build links in /dev. -x to turn off */ 997c478bd9Sstevel@tonic-gate static int build_dev = TRUE; 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate /* build nodes in /devices. -y to turn off */ 1027c478bd9Sstevel@tonic-gate static int build_devices = TRUE; 1037c478bd9Sstevel@tonic-gate 1047c478bd9Sstevel@tonic-gate /* -z to turn off */ 1057c478bd9Sstevel@tonic-gate static int flush_path_to_inst_enable = TRUE; 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate /* variables used for path_to_inst flushing */ 1087c478bd9Sstevel@tonic-gate static int inst_count = 0; 1097c478bd9Sstevel@tonic-gate static mutex_t count_lock; 1107c478bd9Sstevel@tonic-gate static cond_t cv; 1117c478bd9Sstevel@tonic-gate 112ff2aee48Scth /* variables for minor_fini thread */ 1137c478bd9Sstevel@tonic-gate static mutex_t minor_fini_mutex; 114ff2aee48Scth static int minor_fini_canceled = TRUE; 115ff2aee48Scth static int minor_fini_delayed = FALSE; 116ff2aee48Scth static cond_t minor_fini_cv; 117ff2aee48Scth static int minor_fini_timeout = MINOR_FINI_TIMEOUT_DEFAULT; 1187c478bd9Sstevel@tonic-gate 1197c478bd9Sstevel@tonic-gate /* single-threads /dev modification */ 1207c478bd9Sstevel@tonic-gate static sema_t dev_sema; 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate /* the program we were invoked as; ie argv[0] */ 1237c478bd9Sstevel@tonic-gate static char *prog; 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate /* pointers to create/remove link lists */ 1267c478bd9Sstevel@tonic-gate static create_list_t *create_head = NULL; 1277c478bd9Sstevel@tonic-gate static remove_list_t *remove_head = NULL; 1287c478bd9Sstevel@tonic-gate 1297c478bd9Sstevel@tonic-gate /* supports the class -c option */ 1307c478bd9Sstevel@tonic-gate static char **classes = NULL; 1317c478bd9Sstevel@tonic-gate static int num_classes = 0; 1327c478bd9Sstevel@tonic-gate 1337c478bd9Sstevel@tonic-gate /* used with verbose option -v or -V */ 1347c478bd9Sstevel@tonic-gate static int num_verbose = 0; 1357c478bd9Sstevel@tonic-gate static char **verbose = NULL; 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate static struct mperm *minor_perms = NULL; 1387c478bd9Sstevel@tonic-gate static driver_alias_t *driver_aliases = NULL; 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate /* set if -r alternate root given */ 1417c478bd9Sstevel@tonic-gate static char *root_dir = ""; 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate /* /devices or <rootdir>/devices */ 1447c478bd9Sstevel@tonic-gate static char *devices_dir = DEVICES; 1457c478bd9Sstevel@tonic-gate 1467c478bd9Sstevel@tonic-gate /* /dev or <rootdir>/dev */ 1477c478bd9Sstevel@tonic-gate static char *dev_dir = DEV; 1487c478bd9Sstevel@tonic-gate 149facf4a8dSllai /* /etc/dev or <rootdir>/etc/dev */ 150facf4a8dSllai static char *etc_dev_dir = ETCDEV; 151facf4a8dSllai 152facf4a8dSllai /* 153facf4a8dSllai * writable root (for lock files and doors during install). 154facf4a8dSllai * This is also root dir for /dev attr dir during install. 155facf4a8dSllai */ 156facf4a8dSllai static char *attr_root = NULL; 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate /* /etc/path_to_inst unless -p used */ 1597c478bd9Sstevel@tonic-gate static char *inst_file = INSTANCE_FILE; 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate /* /usr/lib/devfsadm/linkmods unless -l used */ 1627c478bd9Sstevel@tonic-gate static char *module_dirs = MODULE_DIRS; 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate /* default uid/gid used if /etc/minor_perm entry not found */ 1657c478bd9Sstevel@tonic-gate static uid_t root_uid; 1667c478bd9Sstevel@tonic-gate static gid_t sys_gid; 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate /* /etc/devlink.tab unless devlinks -t used */ 1697c478bd9Sstevel@tonic-gate static char *devlinktab_file = NULL; 1707c478bd9Sstevel@tonic-gate 1718d483882Smlf /* File and data structure to reserve enumerate IDs */ 1728d483882Smlf static char *enumerate_file = ENUMERATE_RESERVED; 1738d483882Smlf static enumerate_file_t *enumerate_reserved = NULL; 1748d483882Smlf 1757c478bd9Sstevel@tonic-gate /* set if /dev link is new. speeds up rm_stale_links */ 1767c478bd9Sstevel@tonic-gate static int linknew = TRUE; 1777c478bd9Sstevel@tonic-gate 1787c478bd9Sstevel@tonic-gate /* variables for devlink.tab compat processing */ 1797c478bd9Sstevel@tonic-gate static devlinktab_list_t *devlinktab_list = NULL; 1807c478bd9Sstevel@tonic-gate static unsigned int devlinktab_line = 0; 1817c478bd9Sstevel@tonic-gate 1827c478bd9Sstevel@tonic-gate /* cache head for devfsadm_enumerate*() functions */ 1837c478bd9Sstevel@tonic-gate static numeral_set_t *head_numeral_set = NULL; 1847c478bd9Sstevel@tonic-gate 1857c478bd9Sstevel@tonic-gate /* list list of devfsadm modules */ 1867c478bd9Sstevel@tonic-gate static module_t *module_head = NULL; 1877c478bd9Sstevel@tonic-gate 1887c478bd9Sstevel@tonic-gate /* name_to_major list used in utility function */ 1897c478bd9Sstevel@tonic-gate static n2m_t *n2m_list = NULL; 1907c478bd9Sstevel@tonic-gate 1917c478bd9Sstevel@tonic-gate /* cache of some links used for performance */ 1927c478bd9Sstevel@tonic-gate static linkhead_t *headlinkhead = NULL; 1937c478bd9Sstevel@tonic-gate 1947c478bd9Sstevel@tonic-gate /* locking variables to prevent multiples writes to /dev */ 1957c478bd9Sstevel@tonic-gate static int hold_dev_lock = FALSE; 1967c478bd9Sstevel@tonic-gate static int hold_daemon_lock = FALSE; 1977c478bd9Sstevel@tonic-gate static int dev_lock_fd; 1987c478bd9Sstevel@tonic-gate static int daemon_lock_fd; 1997c478bd9Sstevel@tonic-gate static char dev_lockfile[PATH_MAX + 1]; 2007c478bd9Sstevel@tonic-gate static char daemon_lockfile[PATH_MAX + 1]; 2017c478bd9Sstevel@tonic-gate 2027c478bd9Sstevel@tonic-gate /* last devinfo node/minor processed. used for performance */ 2037c478bd9Sstevel@tonic-gate static di_node_t lnode; 2047c478bd9Sstevel@tonic-gate static di_minor_t lminor; 2057c478bd9Sstevel@tonic-gate static char lphy_path[PATH_MAX + 1] = {""}; 2067c478bd9Sstevel@tonic-gate 2077c478bd9Sstevel@tonic-gate /* Globals used by the link database */ 2087c478bd9Sstevel@tonic-gate static di_devlink_handle_t devlink_cache; 2097c478bd9Sstevel@tonic-gate static int update_database = FALSE; 2107c478bd9Sstevel@tonic-gate 2117c478bd9Sstevel@tonic-gate /* Globals used to set logindev perms */ 2127c478bd9Sstevel@tonic-gate static struct login_dev *login_dev_cache = NULL; 2137c478bd9Sstevel@tonic-gate static int login_dev_enable = FALSE; 2147c478bd9Sstevel@tonic-gate 2157c478bd9Sstevel@tonic-gate /* Global to use devinfo snapshot cache */ 2167c478bd9Sstevel@tonic-gate static int use_snapshot_cache = FALSE; 2177c478bd9Sstevel@tonic-gate 218aa646b9dSvikram /* Global for no-further-processing hash */ 219aa646b9dSvikram static item_t **nfp_hash; 220aa646b9dSvikram static mutex_t nfp_mutex = DEFAULTMUTEX; 221aa646b9dSvikram 2227c478bd9Sstevel@tonic-gate /* 2237c478bd9Sstevel@tonic-gate * Packaged directories - not removed even when empty. 2247c478bd9Sstevel@tonic-gate * The dirs must be listed in canonical form 2257c478bd9Sstevel@tonic-gate * i.e. without leading "/dev/" 2267c478bd9Sstevel@tonic-gate */ 2277c478bd9Sstevel@tonic-gate static char *packaged_dirs[] = 2287c478bd9Sstevel@tonic-gate {"dsk", "rdsk", "term", NULL}; 2297c478bd9Sstevel@tonic-gate 230facf4a8dSllai /* Devname globals */ 231facf4a8dSllai static int devname_debug_msg = 1; 232facf4a8dSllai static nvlist_t *devname_maps = NULL; 233facf4a8dSllai static int devname_first_call = 1; 234facf4a8dSllai static int load_devname_nsmaps = FALSE; 235facf4a8dSllai static int lookup_door_fd = -1; 236facf4a8dSllai static char *lookup_door_path; 237facf4a8dSllai 2387c478bd9Sstevel@tonic-gate static void load_dev_acl(void); 2397c478bd9Sstevel@tonic-gate static void update_drvconf(major_t); 240facf4a8dSllai static void check_reconfig_state(void); 241facf4a8dSllai static void devname_setup_nsmaps(void); 242facf4a8dSllai static int s_stat(const char *, struct stat *); 2437c478bd9Sstevel@tonic-gate 2441ca93273Seota static int is_blank(char *); 2451ca93273Seota 246f05faa4eSjacobs /* sysevent queue related globals */ 247f05faa4eSjacobs static mutex_t syseventq_mutex = DEFAULTMUTEX; 248f05faa4eSjacobs static syseventq_t *syseventq_front; 249f05faa4eSjacobs static syseventq_t *syseventq_back; 250f05faa4eSjacobs static void process_syseventq(); 251f05faa4eSjacobs 2527c478bd9Sstevel@tonic-gate int 2537c478bd9Sstevel@tonic-gate main(int argc, char *argv[]) 2547c478bd9Sstevel@tonic-gate { 2557c478bd9Sstevel@tonic-gate struct passwd *pw; 2567c478bd9Sstevel@tonic-gate struct group *gp; 2577c478bd9Sstevel@tonic-gate pid_t pid; 2586638bf60Saj int cond = 0; 2597c478bd9Sstevel@tonic-gate 2607c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 2617c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 2627c478bd9Sstevel@tonic-gate 2637c478bd9Sstevel@tonic-gate if ((prog = strrchr(argv[0], '/')) == NULL) { 2647c478bd9Sstevel@tonic-gate prog = argv[0]; 2657c478bd9Sstevel@tonic-gate } else { 2667c478bd9Sstevel@tonic-gate prog++; 2677c478bd9Sstevel@tonic-gate } 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate if (getuid() != 0) { 2707c478bd9Sstevel@tonic-gate err_print(MUST_BE_ROOT); 2717c478bd9Sstevel@tonic-gate devfsadm_exit(1); 272537714daSvikram /*NOTREACHED*/ 2737c478bd9Sstevel@tonic-gate } 2747c478bd9Sstevel@tonic-gate 2757c478bd9Sstevel@tonic-gate /* 2767c478bd9Sstevel@tonic-gate * Close all files except stdin/stdout/stderr 2777c478bd9Sstevel@tonic-gate */ 2787c478bd9Sstevel@tonic-gate closefrom(3); 2797c478bd9Sstevel@tonic-gate 2807c478bd9Sstevel@tonic-gate if ((pw = getpwnam(DEFAULT_DEV_USER)) != NULL) { 2817c478bd9Sstevel@tonic-gate root_uid = pw->pw_uid; 2827c478bd9Sstevel@tonic-gate } else { 2837c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 2847c478bd9Sstevel@tonic-gate root_uid = (uid_t)0; /* assume 0 is root */ 2857c478bd9Sstevel@tonic-gate } 2867c478bd9Sstevel@tonic-gate 2877c478bd9Sstevel@tonic-gate /* the default group is sys */ 2887c478bd9Sstevel@tonic-gate 2897c478bd9Sstevel@tonic-gate if ((gp = getgrnam(DEFAULT_DEV_GROUP)) != NULL) { 2907c478bd9Sstevel@tonic-gate sys_gid = gp->gr_gid; 2917c478bd9Sstevel@tonic-gate } else { 2927c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 2937c478bd9Sstevel@tonic-gate sys_gid = (gid_t)3; /* assume 3 is sys */ 2947c478bd9Sstevel@tonic-gate } 2957c478bd9Sstevel@tonic-gate 2967c478bd9Sstevel@tonic-gate (void) umask(0); 2977c478bd9Sstevel@tonic-gate 29845916cd2Sjpk system_labeled = is_system_labeled(); 29945916cd2Sjpk if (system_labeled == FALSE) { 30045916cd2Sjpk /* 30145916cd2Sjpk * is_system_labeled() will return false in case we are 30245916cd2Sjpk * starting before the first reboot after Trusted Extensions 303f875b4ebSrica * is enabled. Check the setting in /etc/system to see if 304f875b4ebSrica * TX is enabled (even if not yet booted). 30545916cd2Sjpk */ 306f875b4ebSrica if (defopen("/etc/system") == 0) { 307f875b4ebSrica if (defread("set sys_labeling=1") != NULL) 308f875b4ebSrica system_labeled = TRUE; 309f875b4ebSrica 310f875b4ebSrica /* close defaults file */ 311f875b4ebSrica (void) defopen(NULL); 312facf4a8dSllai } 31345916cd2Sjpk } 3146638bf60Saj /* 3156638bf60Saj * Check if device allocation is enabled. 3166638bf60Saj */ 3176638bf60Saj if (system_labeled) { 3186638bf60Saj /* 3196638bf60Saj * In TX, the first line in /etc/security/device_allocate has 3206638bf60Saj * DEVICE_ALLOCATION=ON if the feature is enabled. 3216638bf60Saj */ 3226638bf60Saj devalloc_is_on = da_is_on(); 3236638bf60Saj } else if (auditon(A_GETCOND, (caddr_t)&cond, sizeof (cond)) == 0) { 3246638bf60Saj /* 3256638bf60Saj * Device allocation (and auditing) is enabled if BSM is 3266638bf60Saj * enabled. auditon returns -1 and sets errno to EINVAL if BSM 3276638bf60Saj * is not enabled. 3286638bf60Saj */ 3296638bf60Saj devalloc_is_on = 1; 3306638bf60Saj } 33145916cd2Sjpk 332f875b4ebSrica #ifdef DEBUG 333f875b4ebSrica if (system_labeled == FALSE) { 334f875b4ebSrica struct stat tx_stat; 335f875b4ebSrica 336f875b4ebSrica /* test hook: see also mkdevalloc.c and allocate.c */ 337f875b4ebSrica system_labeled = is_system_labeled_debug(&tx_stat); 338f875b4ebSrica } 339f875b4ebSrica #endif 340f875b4ebSrica 3417c478bd9Sstevel@tonic-gate parse_args(argc, argv); 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate (void) sema_init(&dev_sema, 1, USYNC_THREAD, NULL); 3447c478bd9Sstevel@tonic-gate 34545916cd2Sjpk /* Initialize device allocation list */ 34645916cd2Sjpk devlist.audio = devlist.cd = devlist.floppy = devlist.tape = 3470a653502Swroche devlist.rmdisk = NULL; 34845916cd2Sjpk 3497c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) { 3507c478bd9Sstevel@tonic-gate /* 3517c478bd9Sstevel@tonic-gate * Build /dev and /devices before daemonizing if 3527c478bd9Sstevel@tonic-gate * reconfig booting and daemon invoked with alternate 3537c478bd9Sstevel@tonic-gate * root. This is to support install. 3547c478bd9Sstevel@tonic-gate */ 3557c478bd9Sstevel@tonic-gate if (getenv(RECONFIG_BOOT) != NULL && root_dir[0] != '\0') { 3567c478bd9Sstevel@tonic-gate vprint(INFO_MID, CONFIGURING); 3577c478bd9Sstevel@tonic-gate load_dev_acl(); 3587c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 3597c478bd9Sstevel@tonic-gate process_devinfo_tree(); 3607c478bd9Sstevel@tonic-gate (void) modctl(MODSETMINIROOT); 3617c478bd9Sstevel@tonic-gate } 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate /* 3647c478bd9Sstevel@tonic-gate * fork before detaching from tty in order to print error 3657c478bd9Sstevel@tonic-gate * message if unable to acquire file lock. locks not preserved 3667c478bd9Sstevel@tonic-gate * across forks. Even under debug we want to fork so that 3677c478bd9Sstevel@tonic-gate * when executed at boot we don't hang. 3687c478bd9Sstevel@tonic-gate */ 3697c478bd9Sstevel@tonic-gate if (fork() != 0) { 3707c478bd9Sstevel@tonic-gate devfsadm_exit(0); 371537714daSvikram /*NOTREACHED*/ 3727c478bd9Sstevel@tonic-gate } 3737c478bd9Sstevel@tonic-gate 3747c478bd9Sstevel@tonic-gate /* set directory to / so it coredumps there */ 3757c478bd9Sstevel@tonic-gate if (chdir("/") == -1) { 3767c478bd9Sstevel@tonic-gate err_print(CHROOT_FAILED, strerror(errno)); 3777c478bd9Sstevel@tonic-gate } 3787c478bd9Sstevel@tonic-gate 3797c478bd9Sstevel@tonic-gate /* only one daemon can run at a time */ 3807c478bd9Sstevel@tonic-gate if ((pid = enter_daemon_lock()) == getpid()) { 3817c478bd9Sstevel@tonic-gate detachfromtty(); 3827c478bd9Sstevel@tonic-gate (void) cond_init(&cv, USYNC_THREAD, 0); 3837c478bd9Sstevel@tonic-gate (void) mutex_init(&count_lock, USYNC_THREAD, 0); 3847c478bd9Sstevel@tonic-gate if (thr_create(NULL, NULL, 385ff2aee48Scth (void *(*)(void *))instance_flush_thread, 386ff2aee48Scth NULL, THR_DETACHED, NULL) != 0) { 3877c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "daemon", 3880a653502Swroche strerror(errno)); 3897c478bd9Sstevel@tonic-gate devfsadm_exit(1); 390537714daSvikram /*NOTREACHED*/ 3917c478bd9Sstevel@tonic-gate } 3927c478bd9Sstevel@tonic-gate 393ff2aee48Scth /* start the minor_fini_thread */ 394ff2aee48Scth (void) mutex_init(&minor_fini_mutex, USYNC_THREAD, 0); 395ff2aee48Scth (void) cond_init(&minor_fini_cv, USYNC_THREAD, 0); 396ff2aee48Scth if (thr_create(NULL, NULL, 397ff2aee48Scth (void *(*)(void *))minor_fini_thread, 398ff2aee48Scth NULL, THR_DETACHED, NULL)) { 399ff2aee48Scth err_print(CANT_CREATE_THREAD, "minor_fini", 400ff2aee48Scth strerror(errno)); 401ff2aee48Scth devfsadm_exit(1); 402537714daSvikram /*NOTREACHED*/ 403ff2aee48Scth } 404ff2aee48Scth 405ff2aee48Scth 4067c478bd9Sstevel@tonic-gate /* 407*0dc974a9SCathy Zhou * logindevperms need only be set 4087c478bd9Sstevel@tonic-gate * in daemon mode and when root dir is "/". 4097c478bd9Sstevel@tonic-gate */ 410*0dc974a9SCathy Zhou if (root_dir[0] == '\0') 4117c478bd9Sstevel@tonic-gate login_dev_enable = TRUE; 4127c478bd9Sstevel@tonic-gate daemon_update(); 413537714daSvikram devfsadm_exit(0); 414537714daSvikram /*NOTREACHED*/ 4157c478bd9Sstevel@tonic-gate } else { 4167c478bd9Sstevel@tonic-gate err_print(DAEMON_RUNNING, pid); 4177c478bd9Sstevel@tonic-gate devfsadm_exit(1); 418537714daSvikram /*NOTREACHED*/ 4197c478bd9Sstevel@tonic-gate } 4207c478bd9Sstevel@tonic-gate } else { 4217c478bd9Sstevel@tonic-gate /* not a daemon, so just build /dev and /devices */ 4228c206d17Spr 4238c206d17Spr /* 4248c206d17Spr * If turning off device allocation, load the 4258c206d17Spr * minor_perm file because process_devinfo_tree() will 4268c206d17Spr * need this in order to reset the permissions of the 4278c206d17Spr * device files. 4288c206d17Spr */ 4298c206d17Spr if (devalloc_flag == DA_OFF) { 4308c206d17Spr read_minor_perm_file(); 4318c206d17Spr } 4328c206d17Spr 4337c478bd9Sstevel@tonic-gate process_devinfo_tree(); 43445916cd2Sjpk if (devalloc_flag != 0) 43545916cd2Sjpk /* Enable/disable device allocation */ 43645916cd2Sjpk _reset_devalloc(devalloc_flag); 4377c478bd9Sstevel@tonic-gate } 4387c478bd9Sstevel@tonic-gate return (0); 4397c478bd9Sstevel@tonic-gate } 4407c478bd9Sstevel@tonic-gate 4417c478bd9Sstevel@tonic-gate static void 4427c478bd9Sstevel@tonic-gate update_drvconf(major_t major) 4437c478bd9Sstevel@tonic-gate { 4447c478bd9Sstevel@tonic-gate if (modctl(MODLOADDRVCONF, major) != 0) 4457c478bd9Sstevel@tonic-gate err_print(gettext("update_drvconf failed for major %d\n"), 4467c478bd9Sstevel@tonic-gate major); 4477c478bd9Sstevel@tonic-gate } 4487c478bd9Sstevel@tonic-gate 449aa646b9dSvikram 4507c478bd9Sstevel@tonic-gate static void 4517c478bd9Sstevel@tonic-gate load_dev_acl() 4527c478bd9Sstevel@tonic-gate { 4537c478bd9Sstevel@tonic-gate if (load_devpolicy() != 0) 4547c478bd9Sstevel@tonic-gate err_print(gettext("device policy load failed\n")); 4557c478bd9Sstevel@tonic-gate load_minor_perm_file(); 4567c478bd9Sstevel@tonic-gate } 4577c478bd9Sstevel@tonic-gate 4587c478bd9Sstevel@tonic-gate /* 459facf4a8dSllai * As devfsadm is run early in boot to provide the kernel with 460facf4a8dSllai * minor_perm info, we might as well check for reconfig at the 461facf4a8dSllai * same time to avoid running devfsadm twice. This gets invoked 462facf4a8dSllai * earlier than the env variable RECONFIG_BOOT is set up. 4637c478bd9Sstevel@tonic-gate */ 464facf4a8dSllai static void 465facf4a8dSllai check_reconfig_state() 4667c478bd9Sstevel@tonic-gate { 467facf4a8dSllai struct stat sb; 4687c478bd9Sstevel@tonic-gate 469facf4a8dSllai if (s_stat("/reconfigure", &sb) == 0) { 470facf4a8dSllai (void) modctl(MODDEVNAME, MODDEVNAME_RECONFIG, 0); 4717c478bd9Sstevel@tonic-gate } 472facf4a8dSllai } 4737c478bd9Sstevel@tonic-gate 474facf4a8dSllai static void 475facf4a8dSllai modctl_sysavail() 476facf4a8dSllai { 477facf4a8dSllai /* 478facf4a8dSllai * Inform /dev that system is available, that 479facf4a8dSllai * implicit reconfig can now be performed. 480facf4a8dSllai */ 481facf4a8dSllai (void) modctl(MODDEVNAME, MODDEVNAME_SYSAVAIL, 0); 482facf4a8dSllai } 4837c478bd9Sstevel@tonic-gate 484facf4a8dSllai static void 485facf4a8dSllai set_lock_root(void) 486facf4a8dSllai { 487facf4a8dSllai struct stat sb; 488facf4a8dSllai char *lock_root; 489facf4a8dSllai size_t len; 4907c478bd9Sstevel@tonic-gate 491facf4a8dSllai lock_root = attr_root ? attr_root : root_dir; 4927c478bd9Sstevel@tonic-gate 493facf4a8dSllai len = strlen(lock_root) + strlen(ETCDEV) + 1; 494facf4a8dSllai etc_dev_dir = s_malloc(len); 495facf4a8dSllai (void) snprintf(etc_dev_dir, len, "%s%s", lock_root, ETCDEV); 4967c478bd9Sstevel@tonic-gate 497facf4a8dSllai if (s_stat(etc_dev_dir, &sb) != 0) { 498facf4a8dSllai s_mkdirp(etc_dev_dir, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); 499facf4a8dSllai } else if (!S_ISDIR(sb.st_mode)) { 500facf4a8dSllai err_print(NOT_DIR, etc_dev_dir); 501facf4a8dSllai devfsadm_exit(1); 502537714daSvikram /*NOTREACHED*/ 503facf4a8dSllai } 5047c478bd9Sstevel@tonic-gate } 5057c478bd9Sstevel@tonic-gate 506facf4a8dSllai 5077c478bd9Sstevel@tonic-gate /* 5087c478bd9Sstevel@tonic-gate * Parse arguments for all 6 programs handled from devfsadm. 5097c478bd9Sstevel@tonic-gate */ 5107c478bd9Sstevel@tonic-gate static void 5117c478bd9Sstevel@tonic-gate parse_args(int argc, char *argv[]) 5127c478bd9Sstevel@tonic-gate { 5137c478bd9Sstevel@tonic-gate char opt; 5147c478bd9Sstevel@tonic-gate char get_linkcompat_opts = FALSE; 5157c478bd9Sstevel@tonic-gate char *compat_class; 5167c478bd9Sstevel@tonic-gate int num_aliases = 0; 5177c478bd9Sstevel@tonic-gate int len; 5187c478bd9Sstevel@tonic-gate int retval; 5197c478bd9Sstevel@tonic-gate int add_bind = FALSE; 5207c478bd9Sstevel@tonic-gate struct aliases *ap = NULL; 5217c478bd9Sstevel@tonic-gate struct aliases *a_head = NULL; 5227c478bd9Sstevel@tonic-gate struct aliases *a_tail = NULL; 5237c478bd9Sstevel@tonic-gate struct modconfig mc; 5247c478bd9Sstevel@tonic-gate 5257c478bd9Sstevel@tonic-gate if (strcmp(prog, DISKS) == 0) { 5267c478bd9Sstevel@tonic-gate compat_class = "disk"; 5277c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 5287c478bd9Sstevel@tonic-gate 5297c478bd9Sstevel@tonic-gate } else if (strcmp(prog, TAPES) == 0) { 5307c478bd9Sstevel@tonic-gate compat_class = "tape"; 5317c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 5327c478bd9Sstevel@tonic-gate 5337c478bd9Sstevel@tonic-gate } else if (strcmp(prog, PORTS) == 0) { 5347c478bd9Sstevel@tonic-gate compat_class = "port"; 5357c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 5367c478bd9Sstevel@tonic-gate 5377c478bd9Sstevel@tonic-gate } else if (strcmp(prog, AUDLINKS) == 0) { 5387c478bd9Sstevel@tonic-gate compat_class = "audio"; 5397c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 5407c478bd9Sstevel@tonic-gate 5417c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DEVLINKS) == 0) { 5427c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 5437c478bd9Sstevel@tonic-gate 5447c478bd9Sstevel@tonic-gate build_devices = FALSE; 5457c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 5467c478bd9Sstevel@tonic-gate 5477c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "dnr:st:vV:")) != EOF) { 5487c478bd9Sstevel@tonic-gate switch (opt) { 5497c478bd9Sstevel@tonic-gate case 'd': 5507c478bd9Sstevel@tonic-gate file_mods = FALSE; 5517c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 5527c478bd9Sstevel@tonic-gate devlinks_debug = TRUE; 5537c478bd9Sstevel@tonic-gate break; 5547c478bd9Sstevel@tonic-gate case 'n': 5557c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 5567c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 5577c478bd9Sstevel@tonic-gate break; 5587c478bd9Sstevel@tonic-gate case 'r': 559facf4a8dSllai set_root_devices_dev_dir(optarg); 5607c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 5617c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 5627c478bd9Sstevel@tonic-gate devfsadm_exit(1); 563537714daSvikram /*NOTREACHED*/ 5647c478bd9Sstevel@tonic-gate break; 5657c478bd9Sstevel@tonic-gate case 's': 5667c478bd9Sstevel@tonic-gate /* 5677c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 5687c478bd9Sstevel@tonic-gate * useful with -v or -V 5697c478bd9Sstevel@tonic-gate */ 5707c478bd9Sstevel@tonic-gate file_mods = FALSE; 5717c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 5727c478bd9Sstevel@tonic-gate break; 5737c478bd9Sstevel@tonic-gate case 't': 5747c478bd9Sstevel@tonic-gate /* supply a non-default table file */ 5757c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 5767c478bd9Sstevel@tonic-gate break; 5777c478bd9Sstevel@tonic-gate case 'v': 5787c478bd9Sstevel@tonic-gate /* documented verbose flag */ 5797c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 5807c478bd9Sstevel@tonic-gate break; 5817c478bd9Sstevel@tonic-gate case 'V': 5827c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 5837c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 5847c478bd9Sstevel@tonic-gate break; 5857c478bd9Sstevel@tonic-gate default: 5867c478bd9Sstevel@tonic-gate usage(); 5877c478bd9Sstevel@tonic-gate break; 5887c478bd9Sstevel@tonic-gate } 5897c478bd9Sstevel@tonic-gate } 5907c478bd9Sstevel@tonic-gate 5917c478bd9Sstevel@tonic-gate if (optind < argc) { 5927c478bd9Sstevel@tonic-gate usage(); 5937c478bd9Sstevel@tonic-gate } 5947c478bd9Sstevel@tonic-gate 5957c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 5967c478bd9Sstevel@tonic-gate build_dev = FALSE; 5977c478bd9Sstevel@tonic-gate 5987c478bd9Sstevel@tonic-gate while ((opt = 5990a653502Swroche getopt(argc, argv, "a:bdc:i:m:np:R:r:svV:")) != EOF) { 6007c478bd9Sstevel@tonic-gate switch (opt) { 6017c478bd9Sstevel@tonic-gate case 'a': 6027c478bd9Sstevel@tonic-gate ap = calloc(sizeof (struct aliases), 1); 6037c478bd9Sstevel@tonic-gate ap->a_name = dequote(optarg); 6047c478bd9Sstevel@tonic-gate len = strlen(ap->a_name) + 1; 6057c478bd9Sstevel@tonic-gate if (len > MAXMODCONFNAME) { 6067c478bd9Sstevel@tonic-gate err_print(ALIAS_TOO_LONG, 6077c478bd9Sstevel@tonic-gate MAXMODCONFNAME, ap->a_name); 6087c478bd9Sstevel@tonic-gate devfsadm_exit(1); 609537714daSvikram /*NOTREACHED*/ 6107c478bd9Sstevel@tonic-gate } 6117c478bd9Sstevel@tonic-gate ap->a_len = len; 6127c478bd9Sstevel@tonic-gate if (a_tail == NULL) { 6137c478bd9Sstevel@tonic-gate a_head = ap; 6147c478bd9Sstevel@tonic-gate } else { 6157c478bd9Sstevel@tonic-gate a_tail->a_next = ap; 6167c478bd9Sstevel@tonic-gate } 6177c478bd9Sstevel@tonic-gate a_tail = ap; 6187c478bd9Sstevel@tonic-gate num_aliases++; 6197c478bd9Sstevel@tonic-gate add_bind = TRUE; 6207c478bd9Sstevel@tonic-gate break; 6217c478bd9Sstevel@tonic-gate case 'b': 6227c478bd9Sstevel@tonic-gate add_bind = TRUE; 6237c478bd9Sstevel@tonic-gate break; 6247c478bd9Sstevel@tonic-gate case 'c': 6257c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvclass, optarg); 6267c478bd9Sstevel@tonic-gate break; 6277c478bd9Sstevel@tonic-gate case 'd': 6287c478bd9Sstevel@tonic-gate /* 6297c478bd9Sstevel@tonic-gate * need to keep for compatibility, but 6307c478bd9Sstevel@tonic-gate * do nothing. 6317c478bd9Sstevel@tonic-gate */ 6327c478bd9Sstevel@tonic-gate break; 6337c478bd9Sstevel@tonic-gate case 'i': 6347c478bd9Sstevel@tonic-gate single_drv = TRUE; 6357c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvname, optarg); 6367c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 6377c478bd9Sstevel@tonic-gate break; 6387c478bd9Sstevel@tonic-gate case 'm': 6397c478bd9Sstevel@tonic-gate mc.major = atoi(optarg); 6407c478bd9Sstevel@tonic-gate break; 6417c478bd9Sstevel@tonic-gate case 'n': 6427c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 6437c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 6447c478bd9Sstevel@tonic-gate break; 6457c478bd9Sstevel@tonic-gate case 'p': 6467c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 6477c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 6487c478bd9Sstevel@tonic-gate break; 6497c478bd9Sstevel@tonic-gate case 'R': 6507c478bd9Sstevel@tonic-gate /* 6517c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 6527c478bd9Sstevel@tonic-gate * device information on the installed root. 6537c478bd9Sstevel@tonic-gate */ 6547c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 6557c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 6567c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 6577c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 658537714daSvikram /*NOTREACHED*/ 6597c478bd9Sstevel@tonic-gate break; 6607c478bd9Sstevel@tonic-gate case 'r': 6617c478bd9Sstevel@tonic-gate devices_dir = s_strdup(optarg); 6627c478bd9Sstevel@tonic-gate if (zone_pathcheck(devices_dir) != 6637c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 6647c478bd9Sstevel@tonic-gate devfsadm_exit(1); 665537714daSvikram /*NOTREACHED*/ 6667c478bd9Sstevel@tonic-gate break; 6677c478bd9Sstevel@tonic-gate case 's': 6687c478bd9Sstevel@tonic-gate /* 6697c478bd9Sstevel@tonic-gate * suppress. don't create nodes 6707c478bd9Sstevel@tonic-gate * useful with -v or -V 6717c478bd9Sstevel@tonic-gate */ 6727c478bd9Sstevel@tonic-gate file_mods = FALSE; 6737c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 6747c478bd9Sstevel@tonic-gate break; 6757c478bd9Sstevel@tonic-gate case 'v': 6767c478bd9Sstevel@tonic-gate /* documented verbose flag */ 6777c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 6787c478bd9Sstevel@tonic-gate break; 6797c478bd9Sstevel@tonic-gate case 'V': 6807c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 6817c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 6827c478bd9Sstevel@tonic-gate break; 6837c478bd9Sstevel@tonic-gate default: 6847c478bd9Sstevel@tonic-gate usage(); 6857c478bd9Sstevel@tonic-gate } 6867c478bd9Sstevel@tonic-gate } 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate if (optind < argc) { 6897c478bd9Sstevel@tonic-gate usage(); 6907c478bd9Sstevel@tonic-gate } 6917c478bd9Sstevel@tonic-gate 6927c478bd9Sstevel@tonic-gate if ((add_bind == TRUE) && (mc.major == -1 || 6937c478bd9Sstevel@tonic-gate mc.drvname[0] == NULL)) { 6947c478bd9Sstevel@tonic-gate err_print(MAJOR_AND_B_FLAG); 6957c478bd9Sstevel@tonic-gate devfsadm_exit(1); 696537714daSvikram /*NOTREACHED*/ 6977c478bd9Sstevel@tonic-gate } 6987c478bd9Sstevel@tonic-gate if (add_bind == TRUE) { 6997c478bd9Sstevel@tonic-gate mc.num_aliases = num_aliases; 7007c478bd9Sstevel@tonic-gate mc.ap = a_head; 7017c478bd9Sstevel@tonic-gate retval = modctl(MODADDMAJBIND, NULL, (caddr_t)&mc); 7027c478bd9Sstevel@tonic-gate if (retval < 0) { 7037c478bd9Sstevel@tonic-gate err_print(MODCTL_ADDMAJBIND); 7047c478bd9Sstevel@tonic-gate } 7057c478bd9Sstevel@tonic-gate devfsadm_exit(retval); 706537714daSvikram /*NOTREACHED*/ 7077c478bd9Sstevel@tonic-gate } 7087c478bd9Sstevel@tonic-gate 7097c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 7107c478bd9Sstevel@tonic-gate (strcmp(prog, DEVFSADMD) == 0)) { 7117c478bd9Sstevel@tonic-gate char *zonename = NULL; 7127c478bd9Sstevel@tonic-gate int init_drvconf = 0; 7137c478bd9Sstevel@tonic-gate int init_perm = 0; 7147c478bd9Sstevel@tonic-gate int public_mode = 0; 715facf4a8dSllai int init_sysavail = 0; 7167c478bd9Sstevel@tonic-gate 7177c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADMD) == 0) { 7187c478bd9Sstevel@tonic-gate daemon_mode = TRUE; 7197c478bd9Sstevel@tonic-gate } 7207c478bd9Sstevel@tonic-gate 7217c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 7227c478bd9Sstevel@tonic-gate 7237c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, 724facf4a8dSllai "a:Cc:deIi:l:mnp:PR:r:sSt:vV:x:")) != EOF) { 725facf4a8dSllai if (opt == 'I' || opt == 'P' || opt == 'S') { 7267c478bd9Sstevel@tonic-gate if (public_mode) 7277c478bd9Sstevel@tonic-gate usage(); 7287c478bd9Sstevel@tonic-gate } else { 729facf4a8dSllai if (init_perm || init_drvconf || init_sysavail) 7307c478bd9Sstevel@tonic-gate usage(); 7317c478bd9Sstevel@tonic-gate public_mode = 1; 7327c478bd9Sstevel@tonic-gate } 7337c478bd9Sstevel@tonic-gate switch (opt) { 734facf4a8dSllai case 'a': 735facf4a8dSllai attr_root = s_strdup(optarg); 736facf4a8dSllai break; 7377c478bd9Sstevel@tonic-gate case 'C': 7387c478bd9Sstevel@tonic-gate cleanup = TRUE; 7397c478bd9Sstevel@tonic-gate break; 7407c478bd9Sstevel@tonic-gate case 'c': 7417c478bd9Sstevel@tonic-gate num_classes++; 7420a653502Swroche classes = s_realloc(classes, 7430a653502Swroche num_classes * sizeof (char *)); 7447c478bd9Sstevel@tonic-gate classes[num_classes - 1] = optarg; 7457c478bd9Sstevel@tonic-gate break; 74645916cd2Sjpk case 'd': 7477c478bd9Sstevel@tonic-gate if (daemon_mode == FALSE) { 74845916cd2Sjpk /* 74945916cd2Sjpk * Device allocation to be disabled. 75045916cd2Sjpk */ 75145916cd2Sjpk devalloc_flag = DA_OFF; 75245916cd2Sjpk build_dev = FALSE; 75345916cd2Sjpk } 75445916cd2Sjpk break; 75545916cd2Sjpk case 'e': 75645916cd2Sjpk if (daemon_mode == FALSE) { 75745916cd2Sjpk /* 75845916cd2Sjpk * Device allocation to be enabled. 75945916cd2Sjpk */ 76045916cd2Sjpk devalloc_flag = DA_ON; 7617c478bd9Sstevel@tonic-gate build_dev = FALSE; 7627c478bd9Sstevel@tonic-gate } 7637c478bd9Sstevel@tonic-gate break; 7647c478bd9Sstevel@tonic-gate case 'I': /* update kernel driver.conf cache */ 7657c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 7667c478bd9Sstevel@tonic-gate usage(); 7677c478bd9Sstevel@tonic-gate init_drvconf = 1; 7687c478bd9Sstevel@tonic-gate break; 7697c478bd9Sstevel@tonic-gate case 'i': 7707c478bd9Sstevel@tonic-gate single_drv = TRUE; 7717c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 7727c478bd9Sstevel@tonic-gate break; 7737c478bd9Sstevel@tonic-gate case 'l': 7747c478bd9Sstevel@tonic-gate /* specify an alternate module load path */ 7757c478bd9Sstevel@tonic-gate module_dirs = s_strdup(optarg); 7767c478bd9Sstevel@tonic-gate break; 777facf4a8dSllai case 'm': 778facf4a8dSllai load_devname_nsmaps = TRUE; 779facf4a8dSllai break; 7807c478bd9Sstevel@tonic-gate case 'n': 7817c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 7827c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 7837c478bd9Sstevel@tonic-gate break; 7847c478bd9Sstevel@tonic-gate case 'p': 7857c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 7867c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 7877c478bd9Sstevel@tonic-gate break; 7887c478bd9Sstevel@tonic-gate case 'P': 7897c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 7907c478bd9Sstevel@tonic-gate usage(); 7917c478bd9Sstevel@tonic-gate /* load minor_perm and device_policy */ 7927c478bd9Sstevel@tonic-gate init_perm = 1; 7937c478bd9Sstevel@tonic-gate break; 7947c478bd9Sstevel@tonic-gate case 'R': 7957c478bd9Sstevel@tonic-gate /* 7967c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 7977c478bd9Sstevel@tonic-gate * device information on the installed root. 7987c478bd9Sstevel@tonic-gate */ 7997c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 8007c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 801537714daSvikram /*NOTREACHED*/ 8027c478bd9Sstevel@tonic-gate break; 8037c478bd9Sstevel@tonic-gate case 'r': 804facf4a8dSllai set_root_devices_dev_dir(optarg); 8057c478bd9Sstevel@tonic-gate break; 8067c478bd9Sstevel@tonic-gate case 's': 8077c478bd9Sstevel@tonic-gate /* 8087c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 8097c478bd9Sstevel@tonic-gate * useful with -v or -V 8107c478bd9Sstevel@tonic-gate */ 8117c478bd9Sstevel@tonic-gate file_mods = FALSE; 8127c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 8137c478bd9Sstevel@tonic-gate break; 814facf4a8dSllai case 'S': 815facf4a8dSllai if (daemon_mode == TRUE) 816facf4a8dSllai usage(); 817facf4a8dSllai init_sysavail = 1; 818facf4a8dSllai break; 8197c478bd9Sstevel@tonic-gate case 't': 8207c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 8217c478bd9Sstevel@tonic-gate break; 8227c478bd9Sstevel@tonic-gate case 'v': 8237c478bd9Sstevel@tonic-gate /* documented verbose flag */ 8247c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 8257c478bd9Sstevel@tonic-gate break; 8267c478bd9Sstevel@tonic-gate case 'V': 8277c478bd9Sstevel@tonic-gate /* undocumented: specify verbose lvl */ 8287c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 8297c478bd9Sstevel@tonic-gate break; 8307c478bd9Sstevel@tonic-gate case 'x': 8317c478bd9Sstevel@tonic-gate /* 8327c478bd9Sstevel@tonic-gate * x is the "private switch" option. The 8337c478bd9Sstevel@tonic-gate * goal is to not suck up all the other 8347c478bd9Sstevel@tonic-gate * option letters. 8357c478bd9Sstevel@tonic-gate */ 8367c478bd9Sstevel@tonic-gate if (strcmp(optarg, "update_devlinksdb") == 0) { 8377c478bd9Sstevel@tonic-gate update_database = TRUE; 8387c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_dev") == 0) { 8397c478bd9Sstevel@tonic-gate /* don't build /dev */ 8407c478bd9Sstevel@tonic-gate build_dev = FALSE; 8417c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_devices") == 0) { 8427c478bd9Sstevel@tonic-gate /* don't build /devices */ 8437c478bd9Sstevel@tonic-gate build_devices = FALSE; 8447c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_p2i") == 0) { 8457c478bd9Sstevel@tonic-gate /* don't flush path_to_inst */ 8467c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 8477c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "use_dicache") == 0) { 8487c478bd9Sstevel@tonic-gate use_snapshot_cache = TRUE; 8497c478bd9Sstevel@tonic-gate } else { 8507c478bd9Sstevel@tonic-gate usage(); 8517c478bd9Sstevel@tonic-gate } 8527c478bd9Sstevel@tonic-gate break; 8537c478bd9Sstevel@tonic-gate default: 8547c478bd9Sstevel@tonic-gate usage(); 8557c478bd9Sstevel@tonic-gate break; 8567c478bd9Sstevel@tonic-gate } 8577c478bd9Sstevel@tonic-gate } 8587c478bd9Sstevel@tonic-gate if (optind < argc) { 8597c478bd9Sstevel@tonic-gate usage(); 8607c478bd9Sstevel@tonic-gate } 8617c478bd9Sstevel@tonic-gate 8627c478bd9Sstevel@tonic-gate /* 8637c478bd9Sstevel@tonic-gate * We're not in zone mode; Check to see if the rootpath 8647c478bd9Sstevel@tonic-gate * collides with any zonepaths. 8657c478bd9Sstevel@tonic-gate */ 8667c478bd9Sstevel@tonic-gate if (zonename == NULL) { 8677c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != DEVFSADM_SUCCESS) 8687c478bd9Sstevel@tonic-gate devfsadm_exit(1); 869537714daSvikram /*NOTREACHED*/ 8707c478bd9Sstevel@tonic-gate } 8717c478bd9Sstevel@tonic-gate 872facf4a8dSllai if (init_drvconf || init_perm || init_sysavail) { 8737c478bd9Sstevel@tonic-gate /* 8747c478bd9Sstevel@tonic-gate * Load minor perm before force-loading drivers 8757c478bd9Sstevel@tonic-gate * so the correct permissions are picked up. 8767c478bd9Sstevel@tonic-gate */ 877facf4a8dSllai if (init_perm) { 878facf4a8dSllai check_reconfig_state(); 8797c478bd9Sstevel@tonic-gate load_dev_acl(); 880facf4a8dSllai } 8817c478bd9Sstevel@tonic-gate if (init_drvconf) 8827c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 883facf4a8dSllai if (init_sysavail) 884facf4a8dSllai modctl_sysavail(); 8857c478bd9Sstevel@tonic-gate devfsadm_exit(0); 886537714daSvikram /*NOTREACHED*/ 8877c478bd9Sstevel@tonic-gate } 888facf4a8dSllai 889facf4a8dSllai if (load_devname_nsmaps == TRUE) { 890facf4a8dSllai devname_setup_nsmaps(); 891facf4a8dSllai devfsadm_exit(0); 892537714daSvikram /*NOTREACHED*/ 893facf4a8dSllai } 8947c478bd9Sstevel@tonic-gate } 8957c478bd9Sstevel@tonic-gate 8967c478bd9Sstevel@tonic-gate 8977c478bd9Sstevel@tonic-gate if (get_linkcompat_opts == TRUE) { 8987c478bd9Sstevel@tonic-gate 8997c478bd9Sstevel@tonic-gate build_devices = FALSE; 9007c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 9017c478bd9Sstevel@tonic-gate num_classes++; 9027c478bd9Sstevel@tonic-gate classes = s_realloc(classes, num_classes * 9037c478bd9Sstevel@tonic-gate sizeof (char *)); 9047c478bd9Sstevel@tonic-gate classes[num_classes - 1] = compat_class; 9057c478bd9Sstevel@tonic-gate 9067c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "Cnr:svV:")) != EOF) { 9077c478bd9Sstevel@tonic-gate switch (opt) { 9087c478bd9Sstevel@tonic-gate case 'C': 9097c478bd9Sstevel@tonic-gate cleanup = TRUE; 9107c478bd9Sstevel@tonic-gate break; 9117c478bd9Sstevel@tonic-gate case 'n': 9127c478bd9Sstevel@tonic-gate /* prevent driver loading or deferred attach */ 9137c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 9147c478bd9Sstevel@tonic-gate break; 9157c478bd9Sstevel@tonic-gate case 'r': 916facf4a8dSllai set_root_devices_dev_dir(optarg); 9177c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 9187c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 9197c478bd9Sstevel@tonic-gate devfsadm_exit(1); 920537714daSvikram /*NOTREACHED*/ 9217c478bd9Sstevel@tonic-gate break; 9227c478bd9Sstevel@tonic-gate case 's': 9237c478bd9Sstevel@tonic-gate /* suppress. don't create/remove links/nodes */ 9247c478bd9Sstevel@tonic-gate /* useful with -v or -V */ 9257c478bd9Sstevel@tonic-gate file_mods = FALSE; 9267c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 9277c478bd9Sstevel@tonic-gate break; 9287c478bd9Sstevel@tonic-gate case 'v': 9297c478bd9Sstevel@tonic-gate /* documented verbose flag */ 9307c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 9317c478bd9Sstevel@tonic-gate break; 9327c478bd9Sstevel@tonic-gate case 'V': 9337c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 9347c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 9357c478bd9Sstevel@tonic-gate break; 9367c478bd9Sstevel@tonic-gate default: 9377c478bd9Sstevel@tonic-gate usage(); 9387c478bd9Sstevel@tonic-gate } 9397c478bd9Sstevel@tonic-gate } 9407c478bd9Sstevel@tonic-gate if (optind < argc) { 9417c478bd9Sstevel@tonic-gate usage(); 9427c478bd9Sstevel@tonic-gate } 9437c478bd9Sstevel@tonic-gate } 944facf4a8dSllai set_lock_root(); 9457c478bd9Sstevel@tonic-gate } 9467c478bd9Sstevel@tonic-gate 9477c478bd9Sstevel@tonic-gate void 9487c478bd9Sstevel@tonic-gate usage(void) 9497c478bd9Sstevel@tonic-gate { 9507c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 9517c478bd9Sstevel@tonic-gate err_print(DEVLINKS_USAGE); 9527c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 9537c478bd9Sstevel@tonic-gate err_print(DRVCONFIG_USAGE); 9547c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 9550a653502Swroche (strcmp(prog, DEVFSADMD) == 0)) { 9567c478bd9Sstevel@tonic-gate err_print(DEVFSADM_USAGE); 9577c478bd9Sstevel@tonic-gate } else { 9587c478bd9Sstevel@tonic-gate err_print(COMPAT_LINK_USAGE); 9597c478bd9Sstevel@tonic-gate } 9607c478bd9Sstevel@tonic-gate 9617c478bd9Sstevel@tonic-gate devfsadm_exit(1); 962537714daSvikram /*NOTREACHED*/ 9637c478bd9Sstevel@tonic-gate } 9647c478bd9Sstevel@tonic-gate 9657c478bd9Sstevel@tonic-gate static void 9667c478bd9Sstevel@tonic-gate devi_tree_walk(struct dca_impl *dcip, int flags, char *ev_subclass) 9677c478bd9Sstevel@tonic-gate { 9687c478bd9Sstevel@tonic-gate char *msg, *name; 9697c478bd9Sstevel@tonic-gate struct mlist mlist = {0}; 9707c478bd9Sstevel@tonic-gate di_node_t node; 9717c478bd9Sstevel@tonic-gate 9727c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "devi_tree_walk: root=%s, minor=%s, driver=%s," 9737c478bd9Sstevel@tonic-gate " error=%d, flags=%u\n", dcip->dci_root, 9747c478bd9Sstevel@tonic-gate dcip->dci_minor ? dcip->dci_minor : "<NULL>", 9757c478bd9Sstevel@tonic-gate dcip->dci_driver ? dcip->dci_driver : "<NULL>", dcip->dci_error, 9767c478bd9Sstevel@tonic-gate dcip->dci_flags); 9777c478bd9Sstevel@tonic-gate 9787c478bd9Sstevel@tonic-gate assert(dcip->dci_root); 9797c478bd9Sstevel@tonic-gate 9807c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_LOAD_DRV) { 9817c478bd9Sstevel@tonic-gate node = di_init_driver(dcip->dci_driver, flags); 9827c478bd9Sstevel@tonic-gate msg = DRIVER_FAILURE; 9837c478bd9Sstevel@tonic-gate name = dcip->dci_driver; 9847c478bd9Sstevel@tonic-gate } else { 9857c478bd9Sstevel@tonic-gate node = di_init(dcip->dci_root, flags); 9867c478bd9Sstevel@tonic-gate msg = DI_INIT_FAILED; 9877c478bd9Sstevel@tonic-gate name = dcip->dci_root; 9887c478bd9Sstevel@tonic-gate } 9897c478bd9Sstevel@tonic-gate 9907c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 9917c478bd9Sstevel@tonic-gate dcip->dci_error = errno; 9927c478bd9Sstevel@tonic-gate /* 9937c478bd9Sstevel@tonic-gate * Rapid hotplugging (commonly seen during USB testing), 9947c478bd9Sstevel@tonic-gate * may remove a device before the create event for it 9957c478bd9Sstevel@tonic-gate * has been processed. To prevent alarming users with 9967c478bd9Sstevel@tonic-gate * a superfluous message, we suppress error messages 9977c478bd9Sstevel@tonic-gate * for ENXIO and hotplug. 9987c478bd9Sstevel@tonic-gate */ 9997c478bd9Sstevel@tonic-gate if (!(errno == ENXIO && (dcip->dci_flags & DCA_HOT_PLUG))) 10007c478bd9Sstevel@tonic-gate err_print(msg, name, strerror(dcip->dci_error)); 10017c478bd9Sstevel@tonic-gate return; 10027c478bd9Sstevel@tonic-gate } 10037c478bd9Sstevel@tonic-gate 10047c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_FLUSH_PATHINST) 10057c478bd9Sstevel@tonic-gate flush_path_to_inst(); 10067c478bd9Sstevel@tonic-gate 10077c478bd9Sstevel@tonic-gate dcip->dci_arg = &mlist; 10087c478bd9Sstevel@tonic-gate 10097c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "walking device tree\n"); 10107c478bd9Sstevel@tonic-gate 10117c478bd9Sstevel@tonic-gate (void) di_walk_minor(node, NULL, DI_CHECK_ALIAS, dcip, 10127c478bd9Sstevel@tonic-gate check_minor_type); 10137c478bd9Sstevel@tonic-gate 10147c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_CREATE_LINK); 10157c478bd9Sstevel@tonic-gate 10167c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 10177c478bd9Sstevel@tonic-gate 10187c478bd9Sstevel@tonic-gate /* 10197c478bd9Sstevel@tonic-gate * Finished creating devfs files and dev links. 1020*0dc974a9SCathy Zhou * Log sysevent. 10217c478bd9Sstevel@tonic-gate */ 10227c478bd9Sstevel@tonic-gate if (ev_subclass) 1023f05faa4eSjacobs build_and_enq_event(EC_DEV_ADD, ev_subclass, dcip->dci_root, 102430294554Sphitran node, dcip->dci_minor); 10257c478bd9Sstevel@tonic-gate 102645916cd2Sjpk /* Add new device to device allocation database */ 102745916cd2Sjpk if (system_labeled && update_devdb) { 102845916cd2Sjpk _update_devalloc_db(&devlist, 0, DA_ADD, NULL, root_dir); 102945916cd2Sjpk update_devdb = 0; 103045916cd2Sjpk } 103145916cd2Sjpk 10327c478bd9Sstevel@tonic-gate di_fini(node); 10337c478bd9Sstevel@tonic-gate } 10347c478bd9Sstevel@tonic-gate 10357c478bd9Sstevel@tonic-gate static void 10367c478bd9Sstevel@tonic-gate process_deferred_links(struct dca_impl *dcip, int flags) 10377c478bd9Sstevel@tonic-gate { 10387c478bd9Sstevel@tonic-gate struct mlist *dep; 10397c478bd9Sstevel@tonic-gate struct minor *mp, *smp; 10407c478bd9Sstevel@tonic-gate 10417c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "processing deferred links\n"); 10427c478bd9Sstevel@tonic-gate 10437c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 10447c478bd9Sstevel@tonic-gate 10457c478bd9Sstevel@tonic-gate /* 10467c478bd9Sstevel@tonic-gate * The list head is not used during the deferred create phase 10477c478bd9Sstevel@tonic-gate */ 10487c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 10497c478bd9Sstevel@tonic-gate 10507c478bd9Sstevel@tonic-gate assert(dep); 10517c478bd9Sstevel@tonic-gate assert((dep->head == NULL) ^ (dep->tail != NULL)); 10527c478bd9Sstevel@tonic-gate assert(flags == DCA_FREE_LIST || flags == DCA_CREATE_LINK); 10537c478bd9Sstevel@tonic-gate 10547c478bd9Sstevel@tonic-gate for (smp = NULL, mp = dep->head; mp; mp = mp->next) { 10557c478bd9Sstevel@tonic-gate if (flags == DCA_CREATE_LINK) 10567c478bd9Sstevel@tonic-gate (void) check_minor_type(mp->node, mp->minor, dcip); 10577c478bd9Sstevel@tonic-gate free(smp); 10587c478bd9Sstevel@tonic-gate smp = mp; 10597c478bd9Sstevel@tonic-gate } 10607c478bd9Sstevel@tonic-gate 10617c478bd9Sstevel@tonic-gate free(smp); 10627c478bd9Sstevel@tonic-gate } 10637c478bd9Sstevel@tonic-gate 10647c478bd9Sstevel@tonic-gate /* 10657c478bd9Sstevel@tonic-gate * Called in non-daemon mode to take a snap shot of the devinfo tree. 10667c478bd9Sstevel@tonic-gate * Then it calls the appropriate functions to build /devices and /dev. 10677c478bd9Sstevel@tonic-gate * It also flushes path_to_inst. 106898a9beefShtk * Except in the devfsadm -i (single driver case), the flags used by devfsadm 106998a9beefShtk * needs to match DI_CACHE_SNAPSHOT_FLAGS. That will make DINFOCACHE snapshot 107098a9beefShtk * updated. 10717c478bd9Sstevel@tonic-gate */ 10727c478bd9Sstevel@tonic-gate void 10737c478bd9Sstevel@tonic-gate process_devinfo_tree() 10747c478bd9Sstevel@tonic-gate { 107598a9beefShtk uint_t flags; 10767c478bd9Sstevel@tonic-gate struct dca_impl dci; 10777c478bd9Sstevel@tonic-gate char name[MAXNAMELEN]; 10787c478bd9Sstevel@tonic-gate char *fcn = "process_devinfo_tree: "; 10797c478bd9Sstevel@tonic-gate 10807c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 10817c478bd9Sstevel@tonic-gate 10827c478bd9Sstevel@tonic-gate dca_impl_init("/", NULL, &dci); 10837c478bd9Sstevel@tonic-gate 10847c478bd9Sstevel@tonic-gate lock_dev(); 10857c478bd9Sstevel@tonic-gate 10867c478bd9Sstevel@tonic-gate /* 10877c478bd9Sstevel@tonic-gate * Update kernel driver.conf cache when devfsadm/drvconfig 10887c478bd9Sstevel@tonic-gate * is invoked to build /devices and /dev. 10897c478bd9Sstevel@tonic-gate */ 10907c478bd9Sstevel@tonic-gate if (load_attach_drv == TRUE) 10917c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 10927c478bd9Sstevel@tonic-gate 10937c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 10947c478bd9Sstevel@tonic-gate /* 10957c478bd9Sstevel@tonic-gate * load a single driver, but walk the entire devinfo tree 10967c478bd9Sstevel@tonic-gate */ 10977c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE) 10987c478bd9Sstevel@tonic-gate err_print(DRV_LOAD_REQD); 10997c478bd9Sstevel@tonic-gate 11007c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching driver (%s)\n", fcn, driver); 11017c478bd9Sstevel@tonic-gate 11027c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_LOAD_DRV; 11037c478bd9Sstevel@tonic-gate (void) snprintf(name, sizeof (name), "%s", driver); 11047c478bd9Sstevel@tonic-gate dci.dci_driver = name; 110598a9beefShtk flags = DINFOCPYALL | DINFOPATH; 11067c478bd9Sstevel@tonic-gate 11077c478bd9Sstevel@tonic-gate } else if (load_attach_drv == TRUE) { 11087c478bd9Sstevel@tonic-gate /* 110945916cd2Sjpk * Load and attach all drivers, then walk the entire tree. 11107c478bd9Sstevel@tonic-gate * If the cache flag is set, use DINFOCACHE to get cached 11117c478bd9Sstevel@tonic-gate * data. 11127c478bd9Sstevel@tonic-gate */ 11137c478bd9Sstevel@tonic-gate if (use_snapshot_cache == TRUE) { 11147c478bd9Sstevel@tonic-gate flags = DINFOCACHE; 11157c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%susing snapshot cache\n", fcn); 11167c478bd9Sstevel@tonic-gate } else { 11177c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching all drivers\n", fcn); 111898a9beefShtk flags = DI_CACHE_SNAPSHOT_FLAGS; 11193c34adc5Sramat if (cleanup) { 11203c34adc5Sramat /* 11213c34adc5Sramat * remove dangling entries from /etc/devices 11223c34adc5Sramat * files. 11233c34adc5Sramat */ 11243c34adc5Sramat flags |= DINFOCLEANUP; 11253c34adc5Sramat } 11267c478bd9Sstevel@tonic-gate } 112734087db8Shtk } else { 112834087db8Shtk /* 112934087db8Shtk * For devlinks, disks, ports, tapes and devfsadm -n, 113034087db8Shtk * just need to take a snapshot with active devices. 113134087db8Shtk */ 113234087db8Shtk vprint(CHATTY_MID, "%staking snapshot of active devices\n", 11330a653502Swroche fcn); 113434087db8Shtk flags = DINFOCPYALL; 11357c478bd9Sstevel@tonic-gate } 11367c478bd9Sstevel@tonic-gate 11377c478bd9Sstevel@tonic-gate if (((load_attach_drv == TRUE) || (single_drv == TRUE)) && 11387c478bd9Sstevel@tonic-gate (build_devices == TRUE)) { 11397c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_FLUSH_PATHINST; 11407c478bd9Sstevel@tonic-gate } 11417c478bd9Sstevel@tonic-gate 11427c478bd9Sstevel@tonic-gate /* handle pre-cleanup operations desired by the modules. */ 11437c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_PRE); 11447c478bd9Sstevel@tonic-gate 11457c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, flags, NULL); 11467c478bd9Sstevel@tonic-gate 11477c478bd9Sstevel@tonic-gate if (dci.dci_error) { 11487c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1149537714daSvikram /*NOTREACHED*/ 11507c478bd9Sstevel@tonic-gate } 11517c478bd9Sstevel@tonic-gate 11527c478bd9Sstevel@tonic-gate /* handle post-cleanup operations desired by the modules. */ 11537c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_POST); 11547c478bd9Sstevel@tonic-gate 11557c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 11567c478bd9Sstevel@tonic-gate } 11577c478bd9Sstevel@tonic-gate 11587c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 11597c478bd9Sstevel@tonic-gate static void 11607c478bd9Sstevel@tonic-gate print_cache_signal(int signo) 11617c478bd9Sstevel@tonic-gate { 11627c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 11637c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 11647c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1165537714daSvikram /*NOTREACHED*/ 11667c478bd9Sstevel@tonic-gate } 11677c478bd9Sstevel@tonic-gate } 11687c478bd9Sstevel@tonic-gate 1169facf4a8dSllai static void 1170facf4a8dSllai revoke_lookup_door(void) 1171facf4a8dSllai { 1172facf4a8dSllai if (lookup_door_fd != -1) { 1173facf4a8dSllai if (door_revoke(lookup_door_fd) == -1) { 1174facf4a8dSllai err_print("door_revoke of %s failed - %s\n", 1175facf4a8dSllai lookup_door_path, strerror(errno)); 1176facf4a8dSllai } 1177facf4a8dSllai } 1178facf4a8dSllai } 1179facf4a8dSllai 1180facf4a8dSllai /*ARGSUSED*/ 1181facf4a8dSllai static void 1182facf4a8dSllai catch_exit(int signo) 1183facf4a8dSllai { 1184facf4a8dSllai revoke_lookup_door(); 1185facf4a8dSllai } 1186facf4a8dSllai 11877c478bd9Sstevel@tonic-gate /* 11887c478bd9Sstevel@tonic-gate * Register with eventd for messages. Create doors for synchronous 11897c478bd9Sstevel@tonic-gate * link creation. 11907c478bd9Sstevel@tonic-gate */ 11917c478bd9Sstevel@tonic-gate static void 11927c478bd9Sstevel@tonic-gate daemon_update(void) 11937c478bd9Sstevel@tonic-gate { 11947c478bd9Sstevel@tonic-gate int fd; 11957c478bd9Sstevel@tonic-gate char *fcn = "daemon_update: "; 11967c478bd9Sstevel@tonic-gate char door_file[MAXPATHLEN]; 11977c478bd9Sstevel@tonic-gate const char *subclass_list; 11987c478bd9Sstevel@tonic-gate sysevent_handle_t *sysevent_hp; 11997c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 12007c478bd9Sstevel@tonic-gate 12017c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 12027c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 12037c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1204537714daSvikram /*NOTREACHED*/ 12057c478bd9Sstevel@tonic-gate } 1206facf4a8dSllai if (signal(SIGTERM, catch_exit) == SIG_ERR) { 1207facf4a8dSllai err_print("signal SIGTERM failed: %s\n", strerror(errno)); 1208facf4a8dSllai devfsadm_exit(1); 1209537714daSvikram /*NOTREACHED*/ 1210facf4a8dSllai } 12117c478bd9Sstevel@tonic-gate 12127c478bd9Sstevel@tonic-gate if (snprintf(door_file, sizeof (door_file), 1213facf4a8dSllai "%s%s", attr_root ? attr_root : root_dir, DEVFSADM_SERVICE_DOOR) 1214facf4a8dSllai >= sizeof (door_file)) { 12157c478bd9Sstevel@tonic-gate err_print("update_daemon failed to open sysevent service " 12167c478bd9Sstevel@tonic-gate "door\n"); 12177c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1218537714daSvikram /*NOTREACHED*/ 12197c478bd9Sstevel@tonic-gate } 12207c478bd9Sstevel@tonic-gate if ((sysevent_hp = sysevent_open_channel_alt( 12217c478bd9Sstevel@tonic-gate door_file)) == NULL) { 12227c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 12230a653502Swroche door_file, strerror(errno)); 12247c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1225537714daSvikram /*NOTREACHED*/ 12267c478bd9Sstevel@tonic-gate } 12277c478bd9Sstevel@tonic-gate if (sysevent_bind_subscriber(sysevent_hp, event_handler) != 0) { 12287c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 12297c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 12307c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 12317c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1232537714daSvikram /*NOTREACHED*/ 12337c478bd9Sstevel@tonic-gate } 12347c478bd9Sstevel@tonic-gate subclass_list = EC_SUB_ALL; 12357c478bd9Sstevel@tonic-gate if (sysevent_register_event(sysevent_hp, EC_ALL, &subclass_list, 1) 12367c478bd9Sstevel@tonic-gate != 0) { 12377c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 12387c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 12397c478bd9Sstevel@tonic-gate (void) sysevent_unbind_subscriber(sysevent_hp); 12407c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 12417c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1242537714daSvikram /*NOTREACHED*/ 12437c478bd9Sstevel@tonic-gate } 1244facf4a8dSllai if (snprintf(door_file, sizeof (door_file), "%s/%s", 1245facf4a8dSllai etc_dev_dir, DEVFSADM_SYNCH_DOOR) >= sizeof (door_file)) { 1246facf4a8dSllai err_print(CANT_CREATE_DOOR, DEVFSADM_SYNCH_DOOR, 12477c478bd9Sstevel@tonic-gate strerror(ENAMETOOLONG)); 12487c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1249537714daSvikram /*NOTREACHED*/ 12507c478bd9Sstevel@tonic-gate } 1251facf4a8dSllai 12527c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 1253facf4a8dSllai if ((fd = open(door_file, O_RDWR | O_CREAT, SYNCH_DOOR_PERMS)) == -1) { 1254facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12557c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1256537714daSvikram /*NOTREACHED*/ 12577c478bd9Sstevel@tonic-gate } 12587c478bd9Sstevel@tonic-gate (void) close(fd); 1259facf4a8dSllai 1260facf4a8dSllai if ((fd = door_create(sync_handler, NULL, 12617c478bd9Sstevel@tonic-gate DOOR_REFUSE_DESC | DOOR_NO_CANCEL)) == -1) { 1262facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12637c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12647c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1265537714daSvikram /*NOTREACHED*/ 12667c478bd9Sstevel@tonic-gate } 1267facf4a8dSllai 12687c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 1269facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12707c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12717c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1272537714daSvikram /*NOTREACHED*/ 12737c478bd9Sstevel@tonic-gate } 12747c478bd9Sstevel@tonic-gate 1275facf4a8dSllai /* 1276facf4a8dSllai * devname_lookup_door 1277facf4a8dSllai */ 1278facf4a8dSllai if (snprintf(door_file, sizeof (door_file), "%s/%s", 1279facf4a8dSllai etc_dev_dir, DEVNAME_LOOKUP_DOOR) >= sizeof (door_file)) { 1280facf4a8dSllai err_print(CANT_CREATE_DOOR, DEVNAME_LOOKUP_DOOR, 1281facf4a8dSllai strerror(ENAMETOOLONG)); 1282facf4a8dSllai devfsadm_exit(1); 1283537714daSvikram /*NOTREACHED*/ 1284facf4a8dSllai } 12857c478bd9Sstevel@tonic-gate 12867c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 1287facf4a8dSllai if ((fd = open(door_file, O_RDWR | O_CREAT, S_IRUSR|S_IWUSR)) == -1) { 12887c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12897c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1290537714daSvikram /*NOTREACHED*/ 12917c478bd9Sstevel@tonic-gate } 12927c478bd9Sstevel@tonic-gate (void) close(fd); 12937c478bd9Sstevel@tonic-gate 1294facf4a8dSllai if ((fd = door_create(devname_lookup_handler, NULL, 1295facf4a8dSllai DOOR_REFUSE_DESC)) == -1) { 12967c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12977c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12987c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1299537714daSvikram /*NOTREACHED*/ 13007c478bd9Sstevel@tonic-gate } 13017c478bd9Sstevel@tonic-gate 1302facf4a8dSllai (void) fdetach(door_file); 1303facf4a8dSllai lookup_door_path = s_strdup(door_file); 1304facf4a8dSllai retry: 13057c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 1306facf4a8dSllai if (errno == EBUSY) 1307facf4a8dSllai goto retry; 13087c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 13097c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 13107c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1311537714daSvikram /*NOTREACHED*/ 13127c478bd9Sstevel@tonic-gate } 1313facf4a8dSllai lookup_door_fd = fd; 13147c478bd9Sstevel@tonic-gate 1315facf4a8dSllai /* pass down the door name to kernel for door_ki_open */ 1316facf4a8dSllai if (devname_kcall(MODDEVNAME_LOOKUPDOOR, (void *)door_file) != 0) 1317facf4a8dSllai err_print(DEVNAME_CONTACT_FAILED, strerror(errno)); 1318facf4a8dSllai else 1319facf4a8dSllai devname_setup_nsmaps(); 13207c478bd9Sstevel@tonic-gate 13217c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%spausing\n", fcn); 13227c478bd9Sstevel@tonic-gate for (;;) { 13237c478bd9Sstevel@tonic-gate (void) pause(); 13247c478bd9Sstevel@tonic-gate } 13257c478bd9Sstevel@tonic-gate } 13267c478bd9Sstevel@tonic-gate 13277c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 13287c478bd9Sstevel@tonic-gate static void 13297c478bd9Sstevel@tonic-gate sync_handler(void *cookie, char *ap, size_t asize, 13307c478bd9Sstevel@tonic-gate door_desc_t *dp, uint_t ndesc) 13317c478bd9Sstevel@tonic-gate { 13327c478bd9Sstevel@tonic-gate door_cred_t dcred; 13337c478bd9Sstevel@tonic-gate struct dca_off *dcp, rdca; 13347c478bd9Sstevel@tonic-gate struct dca_impl dci; 13357c478bd9Sstevel@tonic-gate 13367c478bd9Sstevel@tonic-gate /* 13377c478bd9Sstevel@tonic-gate * Must be root to make this call 13387c478bd9Sstevel@tonic-gate * If caller is not root, don't touch its data. 13397c478bd9Sstevel@tonic-gate */ 13407c478bd9Sstevel@tonic-gate if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 13417c478bd9Sstevel@tonic-gate dcp = ⤷ 13427c478bd9Sstevel@tonic-gate dcp->dca_error = EPERM; 13437c478bd9Sstevel@tonic-gate goto out; 13447c478bd9Sstevel@tonic-gate } 13457c478bd9Sstevel@tonic-gate 13467c478bd9Sstevel@tonic-gate assert(ap); 13477c478bd9Sstevel@tonic-gate assert(asize == sizeof (*dcp)); 13487c478bd9Sstevel@tonic-gate 13497c478bd9Sstevel@tonic-gate dcp = (void *)ap; 13507c478bd9Sstevel@tonic-gate 13517c478bd9Sstevel@tonic-gate /* 13527c478bd9Sstevel@tonic-gate * Root is always present and is the first component of "name" member 13537c478bd9Sstevel@tonic-gate */ 13547c478bd9Sstevel@tonic-gate assert(dcp->dca_root == 0); 13557c478bd9Sstevel@tonic-gate 13567c478bd9Sstevel@tonic-gate /* 13577c478bd9Sstevel@tonic-gate * The structure passed in by the door_client uses offsets 13587c478bd9Sstevel@tonic-gate * instead of pointers to work across address space boundaries. 13597c478bd9Sstevel@tonic-gate * Now copy the data into a structure (dca_impl) which uses 13607c478bd9Sstevel@tonic-gate * pointers. 13617c478bd9Sstevel@tonic-gate */ 13627c478bd9Sstevel@tonic-gate dci.dci_root = &dcp->dca_name[dcp->dca_root]; 13637c478bd9Sstevel@tonic-gate dci.dci_minor = dcp->dca_minor ? &dcp->dca_name[dcp->dca_minor] : NULL; 13647c478bd9Sstevel@tonic-gate dci.dci_driver = 13657c478bd9Sstevel@tonic-gate dcp->dca_driver ? &dcp->dca_name[dcp->dca_driver] : NULL; 13667c478bd9Sstevel@tonic-gate dci.dci_error = 0; 13677c478bd9Sstevel@tonic-gate dci.dci_flags = dcp->dca_flags | (dci.dci_driver ? DCA_LOAD_DRV : 0); 13687c478bd9Sstevel@tonic-gate dci.dci_arg = NULL; 13697c478bd9Sstevel@tonic-gate 13707c478bd9Sstevel@tonic-gate lock_dev(); 13717c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOCPYALL, NULL); 13727c478bd9Sstevel@tonic-gate dcp->dca_error = dci.dci_error; 13737c478bd9Sstevel@tonic-gate 1374ff2aee48Scth if (dcp->dca_flags & DCA_DEVLINK_SYNC) 1375ff2aee48Scth unlock_dev(SYNC_STATE); 1376ff2aee48Scth else 1377ff2aee48Scth unlock_dev(CACHE_STATE); 13787c478bd9Sstevel@tonic-gate 1379ff2aee48Scth out: (void) door_return((char *)dcp, sizeof (*dcp), NULL, 0); 13807c478bd9Sstevel@tonic-gate } 13817c478bd9Sstevel@tonic-gate 13827c478bd9Sstevel@tonic-gate static void 13837c478bd9Sstevel@tonic-gate lock_dev(void) 13847c478bd9Sstevel@tonic-gate { 13857c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "lock_dev(): entered\n"); 13867c478bd9Sstevel@tonic-gate 13877c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 13887c478bd9Sstevel@tonic-gate return; 13897c478bd9Sstevel@tonic-gate 13907c478bd9Sstevel@tonic-gate /* lockout other threads from /dev */ 13910a653502Swroche while (sema_wait(&dev_sema) != 0) 13920a653502Swroche ; 13937c478bd9Sstevel@tonic-gate 13947c478bd9Sstevel@tonic-gate /* 13957c478bd9Sstevel@tonic-gate * Lock out other devfsadm processes from /dev. 13967c478bd9Sstevel@tonic-gate * If this wasn't the last process to run, 13977c478bd9Sstevel@tonic-gate * clear caches 13987c478bd9Sstevel@tonic-gate */ 13997c478bd9Sstevel@tonic-gate if (enter_dev_lock() != getpid()) { 14007c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 14017c478bd9Sstevel@tonic-gate rm_all_links_from_cache(); 14027c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, DI_LINK_ERROR); 1403f05faa4eSjacobs 1404f05faa4eSjacobs /* send any sysevents that were queued up. */ 1405f05faa4eSjacobs process_syseventq(); 14067c478bd9Sstevel@tonic-gate } 14077c478bd9Sstevel@tonic-gate 14087c478bd9Sstevel@tonic-gate /* 14097c478bd9Sstevel@tonic-gate * (re)load the reverse links database if not 14107c478bd9Sstevel@tonic-gate * already cached. 14117c478bd9Sstevel@tonic-gate */ 14127c478bd9Sstevel@tonic-gate if (devlink_cache == NULL) 14137c478bd9Sstevel@tonic-gate devlink_cache = di_devlink_open(root_dir, 0); 14147c478bd9Sstevel@tonic-gate 14157c478bd9Sstevel@tonic-gate /* 14167c478bd9Sstevel@tonic-gate * If modules were unloaded, reload them. Also use module status 14177c478bd9Sstevel@tonic-gate * as an indication that we should check to see if other binding 14187c478bd9Sstevel@tonic-gate * files need to be reloaded. 14197c478bd9Sstevel@tonic-gate */ 14207c478bd9Sstevel@tonic-gate if (module_head == NULL) { 14217c478bd9Sstevel@tonic-gate load_modules(); 14227c478bd9Sstevel@tonic-gate read_minor_perm_file(); 14237c478bd9Sstevel@tonic-gate read_driver_aliases_file(); 14247c478bd9Sstevel@tonic-gate read_devlinktab_file(); 14257c478bd9Sstevel@tonic-gate read_logindevperm_file(); 14268d483882Smlf read_enumerate_file(); 14277c478bd9Sstevel@tonic-gate } 14287c478bd9Sstevel@tonic-gate 14297c478bd9Sstevel@tonic-gate if (module_head != NULL) 14307c478bd9Sstevel@tonic-gate return; 14317c478bd9Sstevel@tonic-gate 14327c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 14337c478bd9Sstevel@tonic-gate if (devlinktab_list == NULL) { 14347c478bd9Sstevel@tonic-gate err_print(NO_LINKTAB, devlinktab_file); 14357c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 14367c478bd9Sstevel@tonic-gate err_print(ABORTING); 14377c478bd9Sstevel@tonic-gate devfsadm_exit(1); 1438537714daSvikram /*NOTREACHED*/ 14397c478bd9Sstevel@tonic-gate } 14407c478bd9Sstevel@tonic-gate } else { 14417c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 14427c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADM) == 0) { 14437c478bd9Sstevel@tonic-gate err_print(MODIFY_PATH); 14447c478bd9Sstevel@tonic-gate } 14457c478bd9Sstevel@tonic-gate } 14467c478bd9Sstevel@tonic-gate } 14477c478bd9Sstevel@tonic-gate 1448ff2aee48Scth /* 1449ff2aee48Scth * Unlock the device. If we are processing a CACHE_STATE call, we signal a 1450ff2aee48Scth * minor_fini_thread delayed SYNC_STATE at the end of the call. If we are 1451ff2aee48Scth * processing a SYNC_STATE call, we cancel any minor_fini_thread SYNC_STATE 1452ff2aee48Scth * at both the start and end of the call since we will be doing the SYNC_STATE. 1453ff2aee48Scth */ 14547c478bd9Sstevel@tonic-gate static void 14557c478bd9Sstevel@tonic-gate unlock_dev(int flag) 14567c478bd9Sstevel@tonic-gate { 1457ff2aee48Scth assert(flag == SYNC_STATE || flag == CACHE_STATE); 1458ff2aee48Scth 14597c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "unlock_dev(): entered\n"); 14607c478bd9Sstevel@tonic-gate 1461ff2aee48Scth /* If we are starting a SYNC_STATE, cancel minor_fini_thread SYNC */ 1462ff2aee48Scth if (flag == SYNC_STATE) { 1463ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 1464ff2aee48Scth minor_fini_canceled = TRUE; 1465ff2aee48Scth minor_fini_delayed = FALSE; 1466ff2aee48Scth (void) mutex_unlock(&minor_fini_mutex); 1467ff2aee48Scth } 1468ff2aee48Scth 14697c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 14707c478bd9Sstevel@tonic-gate return; 14717c478bd9Sstevel@tonic-gate 1472568e756aSvikram if (devlink_cache == NULL) { 1473568e756aSvikram err_print(NO_DEVLINK_CACHE); 1474568e756aSvikram } 14757c478bd9Sstevel@tonic-gate assert(devlink_cache); 14767c478bd9Sstevel@tonic-gate 14777c478bd9Sstevel@tonic-gate if (flag == SYNC_STATE) { 14787c478bd9Sstevel@tonic-gate unload_modules(); 14797c478bd9Sstevel@tonic-gate if (update_database) 14807c478bd9Sstevel@tonic-gate (void) di_devlink_update(devlink_cache); 14817c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 1482f05faa4eSjacobs 1483f05faa4eSjacobs /* 1484f05faa4eSjacobs * now that the devlinks db cache has been flushed, it is safe 1485f05faa4eSjacobs * to send any sysevents that were queued up. 1486f05faa4eSjacobs */ 1487f05faa4eSjacobs process_syseventq(); 14887c478bd9Sstevel@tonic-gate } 14897c478bd9Sstevel@tonic-gate 1490537714daSvikram exit_dev_lock(0); 14917c478bd9Sstevel@tonic-gate 1492ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 1493ff2aee48Scth if (flag == SYNC_STATE) { 1494ff2aee48Scth /* We did a SYNC_STATE, cancel minor_fini_thread SYNC */ 1495ff2aee48Scth minor_fini_canceled = TRUE; 1496ff2aee48Scth minor_fini_delayed = FALSE; 1497ff2aee48Scth } else { 1498ff2aee48Scth /* We did a CACHE_STATE, start delayed minor_fini_thread SYNC */ 1499ff2aee48Scth minor_fini_canceled = FALSE; 1500ff2aee48Scth minor_fini_delayed = TRUE; 1501ff2aee48Scth (void) cond_signal(&minor_fini_cv); 1502ff2aee48Scth } 1503ff2aee48Scth (void) mutex_unlock(&minor_fini_mutex); 1504ff2aee48Scth 15057c478bd9Sstevel@tonic-gate (void) sema_post(&dev_sema); 15067c478bd9Sstevel@tonic-gate } 15077c478bd9Sstevel@tonic-gate 15087c478bd9Sstevel@tonic-gate /* 15097c478bd9Sstevel@tonic-gate * Check that if -r is set, it is not any part of a zone--- that is, that 15107c478bd9Sstevel@tonic-gate * the zonepath is not a substring of the root path. 15117c478bd9Sstevel@tonic-gate */ 15127c478bd9Sstevel@tonic-gate static int 15137c478bd9Sstevel@tonic-gate zone_pathcheck(char *checkpath) 15147c478bd9Sstevel@tonic-gate { 15157c478bd9Sstevel@tonic-gate void *dlhdl = NULL; 15167c478bd9Sstevel@tonic-gate char *name; 15177c478bd9Sstevel@tonic-gate char root[MAXPATHLEN]; /* resolved devfsadm root path */ 15187c478bd9Sstevel@tonic-gate char zroot[MAXPATHLEN]; /* zone root path */ 15197c478bd9Sstevel@tonic-gate char rzroot[MAXPATHLEN]; /* resolved zone root path */ 1520facf4a8dSllai char tmp[MAXPATHLEN]; 15217c478bd9Sstevel@tonic-gate FILE *cookie; 15227c478bd9Sstevel@tonic-gate int err = DEVFSADM_SUCCESS; 15237c478bd9Sstevel@tonic-gate 15247c478bd9Sstevel@tonic-gate if (checkpath[0] == '\0') 15257c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 15267c478bd9Sstevel@tonic-gate 15277c478bd9Sstevel@tonic-gate /* 15287c478bd9Sstevel@tonic-gate * Check if zones is available on this system. 15297c478bd9Sstevel@tonic-gate */ 15307c478bd9Sstevel@tonic-gate if ((dlhdl = dlopen(LIBZONECFG_PATH, RTLD_LAZY)) == NULL) { 15317c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 15327c478bd9Sstevel@tonic-gate } 15337c478bd9Sstevel@tonic-gate 15347c478bd9Sstevel@tonic-gate bzero(root, sizeof (root)); 15357c478bd9Sstevel@tonic-gate if (resolvepath(checkpath, root, sizeof (root) - 1) == -1) { 15367c478bd9Sstevel@tonic-gate /* 1537facf4a8dSllai * In this case the user has done "devfsadm -r" on some path 15387c478bd9Sstevel@tonic-gate * which does not yet exist, or we got some other misc. error. 15397c478bd9Sstevel@tonic-gate * We punt and don't resolve the path in this case. 15407c478bd9Sstevel@tonic-gate */ 15417c478bd9Sstevel@tonic-gate (void) strlcpy(root, checkpath, sizeof (root)); 15427c478bd9Sstevel@tonic-gate } 15437c478bd9Sstevel@tonic-gate 15447c478bd9Sstevel@tonic-gate if (strlen(root) > 0 && (root[strlen(root) - 1] != '/')) { 15457c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", root); 15467c478bd9Sstevel@tonic-gate (void) strlcpy(root, tmp, sizeof (root)); 15477c478bd9Sstevel@tonic-gate } 15487c478bd9Sstevel@tonic-gate 15497c478bd9Sstevel@tonic-gate cookie = setzoneent(); 15507c478bd9Sstevel@tonic-gate while ((name = getzoneent(cookie)) != NULL) { 15517c478bd9Sstevel@tonic-gate /* Skip the global zone */ 15527c478bd9Sstevel@tonic-gate if (strcmp(name, GLOBAL_ZONENAME) == 0) { 15537c478bd9Sstevel@tonic-gate free(name); 15547c478bd9Sstevel@tonic-gate continue; 15557c478bd9Sstevel@tonic-gate } 15567c478bd9Sstevel@tonic-gate 15577c478bd9Sstevel@tonic-gate if (zone_get_zonepath(name, zroot, sizeof (zroot)) != Z_OK) { 15587c478bd9Sstevel@tonic-gate free(name); 15597c478bd9Sstevel@tonic-gate continue; 15607c478bd9Sstevel@tonic-gate } 15617c478bd9Sstevel@tonic-gate 15627c478bd9Sstevel@tonic-gate bzero(rzroot, sizeof (rzroot)); 15637c478bd9Sstevel@tonic-gate if (resolvepath(zroot, rzroot, sizeof (rzroot) - 1) == -1) { 15647c478bd9Sstevel@tonic-gate /* 15657c478bd9Sstevel@tonic-gate * Zone path doesn't exist, or other misc error, 15667c478bd9Sstevel@tonic-gate * so we try using the non-resolved pathname. 15677c478bd9Sstevel@tonic-gate */ 15687c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, zroot, sizeof (rzroot)); 15697c478bd9Sstevel@tonic-gate } 15707c478bd9Sstevel@tonic-gate if (strlen(rzroot) > 0 && (rzroot[strlen(rzroot) - 1] != '/')) { 15717c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", rzroot); 15727c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, tmp, sizeof (rzroot)); 15737c478bd9Sstevel@tonic-gate } 15747c478bd9Sstevel@tonic-gate 15757c478bd9Sstevel@tonic-gate /* 15767c478bd9Sstevel@tonic-gate * Finally, the comparison. If the zone root path is a 15777c478bd9Sstevel@tonic-gate * leading substring of the root path, fail. 15787c478bd9Sstevel@tonic-gate */ 15797c478bd9Sstevel@tonic-gate if (strncmp(rzroot, root, strlen(rzroot)) == 0) { 15807c478bd9Sstevel@tonic-gate err_print(ZONE_PATHCHECK, root, name); 15817c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 15827c478bd9Sstevel@tonic-gate free(name); 15837c478bd9Sstevel@tonic-gate break; 15847c478bd9Sstevel@tonic-gate } 15857c478bd9Sstevel@tonic-gate free(name); 15867c478bd9Sstevel@tonic-gate } 15877c478bd9Sstevel@tonic-gate endzoneent(cookie); 15887c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 15897c478bd9Sstevel@tonic-gate return (err); 15907c478bd9Sstevel@tonic-gate } 15917c478bd9Sstevel@tonic-gate 15927c478bd9Sstevel@tonic-gate /* 15937c478bd9Sstevel@tonic-gate * Called by the daemon when it receives an event from the devfsadm SLM 15947c478bd9Sstevel@tonic-gate * to syseventd. 15957c478bd9Sstevel@tonic-gate * 15967c478bd9Sstevel@tonic-gate * The devfsadm SLM uses a private event channel for communication to 15977c478bd9Sstevel@tonic-gate * devfsadmd set-up via private libsysevent interfaces. This handler is 15987c478bd9Sstevel@tonic-gate * used to bind to the devfsadmd channel for event delivery. 15997c478bd9Sstevel@tonic-gate * The devfsadmd SLM insures single calls to this routine as well as 16007c478bd9Sstevel@tonic-gate * synchronized event delivery. 16017c478bd9Sstevel@tonic-gate * 16027c478bd9Sstevel@tonic-gate */ 16037c478bd9Sstevel@tonic-gate static void 16047c478bd9Sstevel@tonic-gate event_handler(sysevent_t *ev) 16057c478bd9Sstevel@tonic-gate { 16067c478bd9Sstevel@tonic-gate char *path; 16077c478bd9Sstevel@tonic-gate char *minor; 16087c478bd9Sstevel@tonic-gate char *subclass; 16097c478bd9Sstevel@tonic-gate char *dev_ev_subclass; 16107c478bd9Sstevel@tonic-gate char *driver_name; 16117c478bd9Sstevel@tonic-gate nvlist_t *attr_list = NULL; 16127c478bd9Sstevel@tonic-gate int err = 0; 16137c478bd9Sstevel@tonic-gate int instance; 16147c478bd9Sstevel@tonic-gate int branch_event = 0; 16157c478bd9Sstevel@tonic-gate 16167c478bd9Sstevel@tonic-gate subclass = sysevent_get_subclass_name(ev); 16177c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: %s id:0X%llx\n", 16187c478bd9Sstevel@tonic-gate subclass, sysevent_get_seq(ev)); 16197c478bd9Sstevel@tonic-gate 1620facf4a8dSllai if (strcmp(subclass, ESC_DEVFS_START) == 0) { 1621facf4a8dSllai return; 1622facf4a8dSllai } 1623facf4a8dSllai 16247c478bd9Sstevel@tonic-gate /* Check if event is an instance modification */ 16257c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_INSTANCE_MOD) == 0) { 16267c478bd9Sstevel@tonic-gate devfs_instance_mod(); 16277c478bd9Sstevel@tonic-gate return; 16287c478bd9Sstevel@tonic-gate } 16297c478bd9Sstevel@tonic-gate if (sysevent_get_attr_list(ev, &attr_list) != 0) { 16307c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: can not get attr list\n"); 16317c478bd9Sstevel@tonic-gate return; 16327c478bd9Sstevel@tonic-gate } 16337c478bd9Sstevel@tonic-gate 16347c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_DEVI_ADD) == 0 || 16357c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_DEVI_REMOVE) == 0 || 16367c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_CREATE) == 0 || 16377c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_REMOVE) == 0) { 16387c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, DEVFS_PATHNAME, 16397c478bd9Sstevel@tonic-gate &path)) != 0) 16407c478bd9Sstevel@tonic-gate goto out; 16417c478bd9Sstevel@tonic-gate 164230294554Sphitran if (nvlist_lookup_string(attr_list, DEVFS_DEVI_CLASS, 164330294554Sphitran &dev_ev_subclass) != 0) 164430294554Sphitran dev_ev_subclass = NULL; 16457c478bd9Sstevel@tonic-gate 164630294554Sphitran if (nvlist_lookup_string(attr_list, DEVFS_DRIVER_NAME, 164730294554Sphitran &driver_name) != 0) 164830294554Sphitran driver_name = NULL; 16497c478bd9Sstevel@tonic-gate 165030294554Sphitran if (nvlist_lookup_int32(attr_list, DEVFS_INSTANCE, 165130294554Sphitran &instance) != 0) 165230294554Sphitran instance = -1; 16537c478bd9Sstevel@tonic-gate 165430294554Sphitran if (nvlist_lookup_int32(attr_list, DEVFS_BRANCH_EVENT, 165530294554Sphitran &branch_event) != 0) 165630294554Sphitran branch_event = 0; 16577c478bd9Sstevel@tonic-gate 165830294554Sphitran if (nvlist_lookup_string(attr_list, DEVFS_MINOR_NAME, 165930294554Sphitran &minor) != 0) 166030294554Sphitran minor = NULL; 16617c478bd9Sstevel@tonic-gate 16627c478bd9Sstevel@tonic-gate lock_dev(); 16637c478bd9Sstevel@tonic-gate 16647c478bd9Sstevel@tonic-gate if (strcmp(ESC_DEVFS_DEVI_ADD, subclass) == 0) { 16657c478bd9Sstevel@tonic-gate add_minor_pathname(path, NULL, dev_ev_subclass); 16667c478bd9Sstevel@tonic-gate if (branch_event) { 1667f05faa4eSjacobs build_and_enq_event(EC_DEV_BRANCH, 166830294554Sphitran ESC_DEV_BRANCH_ADD, path, DI_NODE_NIL, 166930294554Sphitran NULL); 16707c478bd9Sstevel@tonic-gate } 16717c478bd9Sstevel@tonic-gate 16727c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_CREATE, subclass) == 0) { 167330294554Sphitran add_minor_pathname(path, minor, dev_ev_subclass); 16747c478bd9Sstevel@tonic-gate 16757c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_REMOVE, subclass) == 0) { 167630294554Sphitran hot_cleanup(path, minor, dev_ev_subclass, driver_name, 167730294554Sphitran instance); 16787c478bd9Sstevel@tonic-gate 16797c478bd9Sstevel@tonic-gate } else { /* ESC_DEVFS_DEVI_REMOVE */ 16807c478bd9Sstevel@tonic-gate hot_cleanup(path, NULL, dev_ev_subclass, 16817c478bd9Sstevel@tonic-gate driver_name, instance); 16827c478bd9Sstevel@tonic-gate if (branch_event) { 1683f05faa4eSjacobs build_and_enq_event(EC_DEV_BRANCH, 168430294554Sphitran ESC_DEV_BRANCH_REMOVE, path, DI_NODE_NIL, 168530294554Sphitran NULL); 16867c478bd9Sstevel@tonic-gate } 16877c478bd9Sstevel@tonic-gate } 16887c478bd9Sstevel@tonic-gate 16897c478bd9Sstevel@tonic-gate unlock_dev(CACHE_STATE); 16907c478bd9Sstevel@tonic-gate 16917c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0 || 16927c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_BRANCH_REMOVE) == 0) { 16937c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, 16947c478bd9Sstevel@tonic-gate DEVFS_PATHNAME, &path)) != 0) 16957c478bd9Sstevel@tonic-gate goto out; 16967c478bd9Sstevel@tonic-gate 16977c478bd9Sstevel@tonic-gate /* just log ESC_DEV_BRANCH... event */ 16987c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0) 16997c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_ADD; 17007c478bd9Sstevel@tonic-gate else 17017c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_REMOVE; 17027c478bd9Sstevel@tonic-gate 1703d2596142Scth lock_dev(); 1704f05faa4eSjacobs build_and_enq_event(EC_DEV_BRANCH, dev_ev_subclass, path, 170530294554Sphitran DI_NODE_NIL, NULL); 1706d2596142Scth unlock_dev(CACHE_STATE); 17077c478bd9Sstevel@tonic-gate } else 17087c478bd9Sstevel@tonic-gate err_print(UNKNOWN_EVENT, subclass); 17097c478bd9Sstevel@tonic-gate 17107c478bd9Sstevel@tonic-gate out: 17117c478bd9Sstevel@tonic-gate if (err) 17127c478bd9Sstevel@tonic-gate err_print(EVENT_ATTR_LOOKUP_FAILED, strerror(err)); 17137c478bd9Sstevel@tonic-gate nvlist_free(attr_list); 17147c478bd9Sstevel@tonic-gate } 17157c478bd9Sstevel@tonic-gate 17167c478bd9Sstevel@tonic-gate static void 17177c478bd9Sstevel@tonic-gate dca_impl_init(char *root, char *minor, struct dca_impl *dcip) 17187c478bd9Sstevel@tonic-gate { 17197c478bd9Sstevel@tonic-gate assert(root); 17207c478bd9Sstevel@tonic-gate 17217c478bd9Sstevel@tonic-gate dcip->dci_root = root; 17227c478bd9Sstevel@tonic-gate dcip->dci_minor = minor; 17237c478bd9Sstevel@tonic-gate dcip->dci_driver = NULL; 17247c478bd9Sstevel@tonic-gate dcip->dci_error = 0; 17257c478bd9Sstevel@tonic-gate dcip->dci_flags = 0; 17267c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 17277c478bd9Sstevel@tonic-gate } 17287c478bd9Sstevel@tonic-gate 17297c478bd9Sstevel@tonic-gate /* 17307c478bd9Sstevel@tonic-gate * Kernel logs a message when a devinfo node is attached. Try to create 17317c478bd9Sstevel@tonic-gate * /dev and /devices for each minor node. minorname can be NULL. 17327c478bd9Sstevel@tonic-gate */ 17337c478bd9Sstevel@tonic-gate void 17347c478bd9Sstevel@tonic-gate add_minor_pathname(char *node, char *minor, char *ev_subclass) 17357c478bd9Sstevel@tonic-gate { 17367c478bd9Sstevel@tonic-gate struct dca_impl dci; 17377c478bd9Sstevel@tonic-gate 17387c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "add_minor_pathname: node_path=%s minor=%s\n", 17397c478bd9Sstevel@tonic-gate node, minor ? minor : "NULL"); 17407c478bd9Sstevel@tonic-gate 17417c478bd9Sstevel@tonic-gate dca_impl_init(node, minor, &dci); 17427c478bd9Sstevel@tonic-gate 17437c478bd9Sstevel@tonic-gate /* 17447c478bd9Sstevel@tonic-gate * Restrict hotplug link creation if daemon 17457c478bd9Sstevel@tonic-gate * started with -i option. 17467c478bd9Sstevel@tonic-gate */ 17477c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 17487c478bd9Sstevel@tonic-gate dci.dci_driver = driver; 17497c478bd9Sstevel@tonic-gate } 17507c478bd9Sstevel@tonic-gate 17517c478bd9Sstevel@tonic-gate /* 1752*0dc974a9SCathy Zhou * We are being invoked in response to a hotplug event. 17537c478bd9Sstevel@tonic-gate */ 17547c478bd9Sstevel@tonic-gate dci.dci_flags = DCA_HOT_PLUG | DCA_CHECK_TYPE; 17557c478bd9Sstevel@tonic-gate 17567c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOPROP|DINFOMINOR, ev_subclass); 17577c478bd9Sstevel@tonic-gate } 17587c478bd9Sstevel@tonic-gate 17597c478bd9Sstevel@tonic-gate static di_node_t 17607c478bd9Sstevel@tonic-gate find_clone_node() 17617c478bd9Sstevel@tonic-gate { 17627c478bd9Sstevel@tonic-gate static di_node_t clone_node = DI_NODE_NIL; 17637c478bd9Sstevel@tonic-gate 17647c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) 17657c478bd9Sstevel@tonic-gate clone_node = di_init("/pseudo/clone@0", DINFOPROP); 17667c478bd9Sstevel@tonic-gate return (clone_node); 17677c478bd9Sstevel@tonic-gate } 17687c478bd9Sstevel@tonic-gate 17697c478bd9Sstevel@tonic-gate static int 17707c478bd9Sstevel@tonic-gate is_descendent_of(di_node_t node, char *driver) 17717c478bd9Sstevel@tonic-gate { 17727c478bd9Sstevel@tonic-gate while (node != DI_NODE_NIL) { 17737c478bd9Sstevel@tonic-gate char *drv = di_driver_name(node); 17747c478bd9Sstevel@tonic-gate if (strcmp(drv, driver) == 0) 17757c478bd9Sstevel@tonic-gate return (1); 17767c478bd9Sstevel@tonic-gate node = di_parent_node(node); 17777c478bd9Sstevel@tonic-gate } 17787c478bd9Sstevel@tonic-gate return (0); 17797c478bd9Sstevel@tonic-gate } 17807c478bd9Sstevel@tonic-gate 17817c478bd9Sstevel@tonic-gate /* 17827c478bd9Sstevel@tonic-gate * Checks the minor type. If it is an alias node, then lookup 17837c478bd9Sstevel@tonic-gate * the real node/minor first, then call minor_process() to 17847c478bd9Sstevel@tonic-gate * do the real work. 17857c478bd9Sstevel@tonic-gate */ 17867c478bd9Sstevel@tonic-gate static int 17877c478bd9Sstevel@tonic-gate check_minor_type(di_node_t node, di_minor_t minor, void *arg) 17887c478bd9Sstevel@tonic-gate { 17897c478bd9Sstevel@tonic-gate ddi_minor_type minor_type; 17907c478bd9Sstevel@tonic-gate di_node_t clone_node; 17917c478bd9Sstevel@tonic-gate char *mn; 17927c478bd9Sstevel@tonic-gate char *nt; 17937c478bd9Sstevel@tonic-gate struct mlist *dep; 17947c478bd9Sstevel@tonic-gate struct dca_impl *dcip = arg; 17957c478bd9Sstevel@tonic-gate 17967c478bd9Sstevel@tonic-gate assert(dcip); 17977c478bd9Sstevel@tonic-gate 17987c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 17997c478bd9Sstevel@tonic-gate 18007c478bd9Sstevel@tonic-gate mn = di_minor_name(minor); 18017c478bd9Sstevel@tonic-gate 18027c478bd9Sstevel@tonic-gate /* 18037c478bd9Sstevel@tonic-gate * We match driver here instead of in minor_process 18047c478bd9Sstevel@tonic-gate * as we want the actual driver name. This check is 18057c478bd9Sstevel@tonic-gate * unnecessary during deferred processing. 18067c478bd9Sstevel@tonic-gate */ 18077c478bd9Sstevel@tonic-gate if (dep && 18087c478bd9Sstevel@tonic-gate ((dcip->dci_driver && !is_descendent_of(node, dcip->dci_driver)) || 18097c478bd9Sstevel@tonic-gate (dcip->dci_minor && strcmp(mn, dcip->dci_minor)))) { 18107c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 18117c478bd9Sstevel@tonic-gate } 18127c478bd9Sstevel@tonic-gate 18137c478bd9Sstevel@tonic-gate if ((dcip->dci_flags & DCA_CHECK_TYPE) && 18147c478bd9Sstevel@tonic-gate (nt = di_minor_nodetype(minor)) && 1815210db224Sericheng (strcmp(nt, DDI_NT_NET) == 0)) { 18167c478bd9Sstevel@tonic-gate dcip->dci_flags &= ~DCA_CHECK_TYPE; 18177c478bd9Sstevel@tonic-gate } 18187c478bd9Sstevel@tonic-gate 18197c478bd9Sstevel@tonic-gate minor_type = di_minor_type(minor); 18207c478bd9Sstevel@tonic-gate 18217c478bd9Sstevel@tonic-gate if (minor_type == DDM_MINOR) { 18227c478bd9Sstevel@tonic-gate minor_process(node, minor, dep); 18237c478bd9Sstevel@tonic-gate 18247c478bd9Sstevel@tonic-gate } else if (minor_type == DDM_ALIAS) { 18257c478bd9Sstevel@tonic-gate struct mlist *cdep, clone_del = {0}; 18267c478bd9Sstevel@tonic-gate 18277c478bd9Sstevel@tonic-gate clone_node = find_clone_node(); 18287c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) { 18297c478bd9Sstevel@tonic-gate err_print(DI_INIT_FAILED, "clone", strerror(errno)); 18307c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 18317c478bd9Sstevel@tonic-gate } 18327c478bd9Sstevel@tonic-gate 18337c478bd9Sstevel@tonic-gate cdep = dep ? &clone_del : NULL; 18347c478bd9Sstevel@tonic-gate 18357c478bd9Sstevel@tonic-gate minor_process(clone_node, minor, cdep); 18367c478bd9Sstevel@tonic-gate 18377c478bd9Sstevel@tonic-gate /* 18387c478bd9Sstevel@tonic-gate * cache "alias" minor node and free "clone" minor 18397c478bd9Sstevel@tonic-gate */ 18407c478bd9Sstevel@tonic-gate if (cdep != NULL && cdep->head != NULL) { 18417c478bd9Sstevel@tonic-gate assert(cdep->tail != NULL); 18427c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 18437c478bd9Sstevel@tonic-gate dcip->dci_arg = cdep; 18447c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_FREE_LIST); 18457c478bd9Sstevel@tonic-gate dcip->dci_arg = dep; 18467c478bd9Sstevel@tonic-gate } 18477c478bd9Sstevel@tonic-gate } 18487c478bd9Sstevel@tonic-gate 18497c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 18507c478bd9Sstevel@tonic-gate } 18517c478bd9Sstevel@tonic-gate 18527c478bd9Sstevel@tonic-gate 18537c478bd9Sstevel@tonic-gate /* 18547c478bd9Sstevel@tonic-gate * This is the entry point for each minor node, whether walking 18557c478bd9Sstevel@tonic-gate * the entire tree via di_walk_minor() or processing a hotplug event 18567c478bd9Sstevel@tonic-gate * for a single devinfo node (via hotplug ndi_devi_online()). 18577c478bd9Sstevel@tonic-gate */ 18587c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 18597c478bd9Sstevel@tonic-gate static void 18607c478bd9Sstevel@tonic-gate minor_process(di_node_t node, di_minor_t minor, struct mlist *dep) 18617c478bd9Sstevel@tonic-gate { 18627c478bd9Sstevel@tonic-gate create_list_t *create; 18637c478bd9Sstevel@tonic-gate int defer; 18647c478bd9Sstevel@tonic-gate 18657c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: node=%s, minor=%s\n", 18660a653502Swroche di_node_name(node), di_minor_name(minor)); 18677c478bd9Sstevel@tonic-gate 18687c478bd9Sstevel@tonic-gate if (dep != NULL) { 18697c478bd9Sstevel@tonic-gate 18707c478bd9Sstevel@tonic-gate /* 18717c478bd9Sstevel@tonic-gate * Reset /devices node to minor_perm perm/ownership 18727c478bd9Sstevel@tonic-gate * if we are here to deactivate device allocation 18737c478bd9Sstevel@tonic-gate */ 18747c478bd9Sstevel@tonic-gate if (build_devices == TRUE) { 18757c478bd9Sstevel@tonic-gate reset_node_permissions(node, minor); 18767c478bd9Sstevel@tonic-gate } 18777c478bd9Sstevel@tonic-gate 18787c478bd9Sstevel@tonic-gate if (build_dev == FALSE) { 18797c478bd9Sstevel@tonic-gate return; 18807c478bd9Sstevel@tonic-gate } 18817c478bd9Sstevel@tonic-gate 18827c478bd9Sstevel@tonic-gate /* 18837c478bd9Sstevel@tonic-gate * This function will create any nodes for /etc/devlink.tab. 18847c478bd9Sstevel@tonic-gate * If devlink.tab handles link creation, we don't call any 18857c478bd9Sstevel@tonic-gate * devfsadm modules since that could cause duplicate caching 18867c478bd9Sstevel@tonic-gate * in the enumerate functions if different re strings are 18877c478bd9Sstevel@tonic-gate * passed that are logically identical. I'm still not 18887c478bd9Sstevel@tonic-gate * convinced this would cause any harm, but better to be safe. 18897c478bd9Sstevel@tonic-gate * 18907c478bd9Sstevel@tonic-gate * Deferred processing is available only for devlinks 18917c478bd9Sstevel@tonic-gate * created through devfsadm modules. 18927c478bd9Sstevel@tonic-gate */ 18937c478bd9Sstevel@tonic-gate if (process_devlink_compat(minor, node) == TRUE) { 18947c478bd9Sstevel@tonic-gate return; 18957c478bd9Sstevel@tonic-gate } 18967c478bd9Sstevel@tonic-gate } else { 18977c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: deferred processing\n"); 18987c478bd9Sstevel@tonic-gate } 18997c478bd9Sstevel@tonic-gate 19007c478bd9Sstevel@tonic-gate /* 19017c478bd9Sstevel@tonic-gate * look for relevant link create rules in the modules, and 19027c478bd9Sstevel@tonic-gate * invoke the link create callback function to build a link 19037c478bd9Sstevel@tonic-gate * if there is a match. 19047c478bd9Sstevel@tonic-gate */ 19057c478bd9Sstevel@tonic-gate defer = 0; 19067c478bd9Sstevel@tonic-gate for (create = create_head; create != NULL; create = create->next) { 19077c478bd9Sstevel@tonic-gate if ((minor_matches_rule(node, minor, create) == TRUE) && 19087c478bd9Sstevel@tonic-gate class_ok(create->create->device_class) == 19097c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) { 19107c478bd9Sstevel@tonic-gate if (call_minor_init(create->modptr) == 19117c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 19127c478bd9Sstevel@tonic-gate continue; 19137c478bd9Sstevel@tonic-gate } 19147c478bd9Sstevel@tonic-gate 19157c478bd9Sstevel@tonic-gate /* 19167c478bd9Sstevel@tonic-gate * If NOT doing the deferred creates (i.e. 1st pass) and 19177c478bd9Sstevel@tonic-gate * rule requests deferred processing cache the minor 19187c478bd9Sstevel@tonic-gate * data. 19197c478bd9Sstevel@tonic-gate * 19207c478bd9Sstevel@tonic-gate * If deferred processing (2nd pass), create links 19217c478bd9Sstevel@tonic-gate * ONLY if rule requests deferred processing. 19227c478bd9Sstevel@tonic-gate */ 19237c478bd9Sstevel@tonic-gate if (dep && ((create->create->flags & CREATE_MASK) == 19247c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 19257c478bd9Sstevel@tonic-gate defer = 1; 19267c478bd9Sstevel@tonic-gate continue; 19277c478bd9Sstevel@tonic-gate } else if (dep == NULL && 19287c478bd9Sstevel@tonic-gate ((create->create->flags & CREATE_MASK) != 19297c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 19307c478bd9Sstevel@tonic-gate continue; 19317c478bd9Sstevel@tonic-gate } 19327c478bd9Sstevel@tonic-gate 19337c478bd9Sstevel@tonic-gate if ((*(create->create->callback_fcn)) 19347c478bd9Sstevel@tonic-gate (minor, node) == DEVFSADM_TERMINATE) { 19357c478bd9Sstevel@tonic-gate break; 19367c478bd9Sstevel@tonic-gate } 19377c478bd9Sstevel@tonic-gate } 19387c478bd9Sstevel@tonic-gate } 19397c478bd9Sstevel@tonic-gate 19407c478bd9Sstevel@tonic-gate if (defer) 19417c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 19427c478bd9Sstevel@tonic-gate } 19437c478bd9Sstevel@tonic-gate 19447c478bd9Sstevel@tonic-gate 19457c478bd9Sstevel@tonic-gate /* 19467c478bd9Sstevel@tonic-gate * Cache node and minor in defer list. 19477c478bd9Sstevel@tonic-gate */ 19487c478bd9Sstevel@tonic-gate static void 19497c478bd9Sstevel@tonic-gate cache_deferred_minor( 19507c478bd9Sstevel@tonic-gate struct mlist *dep, 19517c478bd9Sstevel@tonic-gate di_node_t node, 19527c478bd9Sstevel@tonic-gate di_minor_t minor) 19537c478bd9Sstevel@tonic-gate { 19547c478bd9Sstevel@tonic-gate struct minor *mp; 19557c478bd9Sstevel@tonic-gate const char *fcn = "cache_deferred_minor"; 19567c478bd9Sstevel@tonic-gate 19577c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s node=%s, minor=%s\n", fcn, 19587c478bd9Sstevel@tonic-gate di_node_name(node), di_minor_name(minor)); 19597c478bd9Sstevel@tonic-gate 19607c478bd9Sstevel@tonic-gate if (dep == NULL) { 19617c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: cannot cache during " 19627c478bd9Sstevel@tonic-gate "deferred processing. Ignoring minor\n", fcn); 19637c478bd9Sstevel@tonic-gate return; 19647c478bd9Sstevel@tonic-gate } 19657c478bd9Sstevel@tonic-gate 19667c478bd9Sstevel@tonic-gate mp = (struct minor *)s_zalloc(sizeof (struct minor)); 19677c478bd9Sstevel@tonic-gate mp->node = node; 19687c478bd9Sstevel@tonic-gate mp->minor = minor; 19697c478bd9Sstevel@tonic-gate mp->next = NULL; 19707c478bd9Sstevel@tonic-gate 19717c478bd9Sstevel@tonic-gate assert(dep->head == NULL || dep->tail != NULL); 19727c478bd9Sstevel@tonic-gate if (dep->head == NULL) { 19737c478bd9Sstevel@tonic-gate dep->head = mp; 19747c478bd9Sstevel@tonic-gate } else { 19757c478bd9Sstevel@tonic-gate dep->tail->next = mp; 19767c478bd9Sstevel@tonic-gate } 19777c478bd9Sstevel@tonic-gate dep->tail = mp; 19787c478bd9Sstevel@tonic-gate } 19797c478bd9Sstevel@tonic-gate 19807c478bd9Sstevel@tonic-gate /* 19817c478bd9Sstevel@tonic-gate * Check to see if "create" link creation rule matches this node/minor. 19827c478bd9Sstevel@tonic-gate * If it does, return TRUE. 19837c478bd9Sstevel@tonic-gate */ 19847c478bd9Sstevel@tonic-gate static int 19857c478bd9Sstevel@tonic-gate minor_matches_rule(di_node_t node, di_minor_t minor, create_list_t *create) 19867c478bd9Sstevel@tonic-gate { 19877c478bd9Sstevel@tonic-gate char *m_nodetype, *m_drvname; 19887c478bd9Sstevel@tonic-gate 19897c478bd9Sstevel@tonic-gate if (create->create->node_type != NULL) { 19907c478bd9Sstevel@tonic-gate 19917c478bd9Sstevel@tonic-gate m_nodetype = di_minor_nodetype(minor); 19927c478bd9Sstevel@tonic-gate assert(m_nodetype != NULL); 19937c478bd9Sstevel@tonic-gate 19947c478bd9Sstevel@tonic-gate switch (create->create->flags & TYPE_MASK) { 19957c478bd9Sstevel@tonic-gate case TYPE_EXACT: 19967c478bd9Sstevel@tonic-gate if (strcmp(create->create->node_type, m_nodetype) != 19977c478bd9Sstevel@tonic-gate 0) { 19987c478bd9Sstevel@tonic-gate return (FALSE); 19997c478bd9Sstevel@tonic-gate } 20007c478bd9Sstevel@tonic-gate break; 20017c478bd9Sstevel@tonic-gate case TYPE_PARTIAL: 20027c478bd9Sstevel@tonic-gate if (strncmp(create->create->node_type, m_nodetype, 20037c478bd9Sstevel@tonic-gate strlen(create->create->node_type)) != 0) { 20047c478bd9Sstevel@tonic-gate return (FALSE); 20057c478bd9Sstevel@tonic-gate } 20067c478bd9Sstevel@tonic-gate break; 20077c478bd9Sstevel@tonic-gate case TYPE_RE: 20087c478bd9Sstevel@tonic-gate if (regexec(&(create->node_type_comp), m_nodetype, 20097c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 20107c478bd9Sstevel@tonic-gate return (FALSE); 20117c478bd9Sstevel@tonic-gate } 20127c478bd9Sstevel@tonic-gate break; 20137c478bd9Sstevel@tonic-gate } 20147c478bd9Sstevel@tonic-gate } 20157c478bd9Sstevel@tonic-gate 20167c478bd9Sstevel@tonic-gate if (create->create->drv_name != NULL) { 20177c478bd9Sstevel@tonic-gate m_drvname = di_driver_name(node); 20187c478bd9Sstevel@tonic-gate switch (create->create->flags & DRV_MASK) { 20197c478bd9Sstevel@tonic-gate case DRV_EXACT: 20207c478bd9Sstevel@tonic-gate if (strcmp(create->create->drv_name, m_drvname) != 0) { 20217c478bd9Sstevel@tonic-gate return (FALSE); 20227c478bd9Sstevel@tonic-gate } 20237c478bd9Sstevel@tonic-gate break; 20247c478bd9Sstevel@tonic-gate case DRV_RE: 20257c478bd9Sstevel@tonic-gate if (regexec(&(create->drv_name_comp), m_drvname, 20267c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 20277c478bd9Sstevel@tonic-gate return (FALSE); 20287c478bd9Sstevel@tonic-gate } 20297c478bd9Sstevel@tonic-gate break; 20307c478bd9Sstevel@tonic-gate } 20317c478bd9Sstevel@tonic-gate } 20327c478bd9Sstevel@tonic-gate 20337c478bd9Sstevel@tonic-gate return (TRUE); 20347c478bd9Sstevel@tonic-gate } 20357c478bd9Sstevel@tonic-gate 20367c478bd9Sstevel@tonic-gate /* 20377c478bd9Sstevel@tonic-gate * If no classes were given on the command line, then return DEVFSADM_SUCCESS. 20387c478bd9Sstevel@tonic-gate * Otherwise, return DEVFSADM_SUCCESS if the device "class" from the module 20397c478bd9Sstevel@tonic-gate * matches one of the device classes given on the command line, 20407c478bd9Sstevel@tonic-gate * otherwise, return DEVFSADM_FAILURE. 20417c478bd9Sstevel@tonic-gate */ 20427c478bd9Sstevel@tonic-gate static int 20437c478bd9Sstevel@tonic-gate class_ok(char *class) 20447c478bd9Sstevel@tonic-gate { 20457c478bd9Sstevel@tonic-gate int i; 20467c478bd9Sstevel@tonic-gate 20477c478bd9Sstevel@tonic-gate if (num_classes == 0) { 20487c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 20497c478bd9Sstevel@tonic-gate } 20507c478bd9Sstevel@tonic-gate 20517c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 20527c478bd9Sstevel@tonic-gate if (strcmp(class, classes[i]) == 0) { 20537c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 20547c478bd9Sstevel@tonic-gate } 20557c478bd9Sstevel@tonic-gate } 20567c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 20577c478bd9Sstevel@tonic-gate } 20587c478bd9Sstevel@tonic-gate 20597c478bd9Sstevel@tonic-gate /* 20607c478bd9Sstevel@tonic-gate * call minor_fini on active modules, then unload ALL modules 20617c478bd9Sstevel@tonic-gate */ 20627c478bd9Sstevel@tonic-gate static void 20637c478bd9Sstevel@tonic-gate unload_modules(void) 20647c478bd9Sstevel@tonic-gate { 20657c478bd9Sstevel@tonic-gate module_t *module_free; 20667c478bd9Sstevel@tonic-gate create_list_t *create_free; 20677c478bd9Sstevel@tonic-gate remove_list_t *remove_free; 20687c478bd9Sstevel@tonic-gate 20697c478bd9Sstevel@tonic-gate while (create_head != NULL) { 20707c478bd9Sstevel@tonic-gate create_free = create_head; 20717c478bd9Sstevel@tonic-gate create_head = create_head->next; 20727c478bd9Sstevel@tonic-gate 20737c478bd9Sstevel@tonic-gate if ((create_free->create->flags & TYPE_RE) == TYPE_RE) { 20747c478bd9Sstevel@tonic-gate regfree(&(create_free->node_type_comp)); 20757c478bd9Sstevel@tonic-gate } 20767c478bd9Sstevel@tonic-gate if ((create_free->create->flags & DRV_RE) == DRV_RE) { 20777c478bd9Sstevel@tonic-gate regfree(&(create_free->drv_name_comp)); 20787c478bd9Sstevel@tonic-gate } 20797c478bd9Sstevel@tonic-gate free(create_free); 20807c478bd9Sstevel@tonic-gate } 20817c478bd9Sstevel@tonic-gate 20827c478bd9Sstevel@tonic-gate while (remove_head != NULL) { 20837c478bd9Sstevel@tonic-gate remove_free = remove_head; 20847c478bd9Sstevel@tonic-gate remove_head = remove_head->next; 20857c478bd9Sstevel@tonic-gate free(remove_free); 20867c478bd9Sstevel@tonic-gate } 20877c478bd9Sstevel@tonic-gate 20887c478bd9Sstevel@tonic-gate while (module_head != NULL) { 20897c478bd9Sstevel@tonic-gate 20907c478bd9Sstevel@tonic-gate if ((module_head->minor_fini != NULL) && 20917c478bd9Sstevel@tonic-gate ((module_head->flags & MODULE_ACTIVE) == MODULE_ACTIVE)) { 20927c478bd9Sstevel@tonic-gate (void) (*(module_head->minor_fini))(); 20937c478bd9Sstevel@tonic-gate } 20947c478bd9Sstevel@tonic-gate 20957c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "unloading module %s\n", module_head->name); 20967c478bd9Sstevel@tonic-gate free(module_head->name); 20977c478bd9Sstevel@tonic-gate (void) dlclose(module_head->dlhandle); 20987c478bd9Sstevel@tonic-gate 20997c478bd9Sstevel@tonic-gate module_free = module_head; 21007c478bd9Sstevel@tonic-gate module_head = module_head->next; 21017c478bd9Sstevel@tonic-gate free(module_free); 21027c478bd9Sstevel@tonic-gate } 21037c478bd9Sstevel@tonic-gate } 21047c478bd9Sstevel@tonic-gate 21057c478bd9Sstevel@tonic-gate /* 21067c478bd9Sstevel@tonic-gate * Load devfsadm logical link processing modules. 21077c478bd9Sstevel@tonic-gate */ 21087c478bd9Sstevel@tonic-gate static void 21097c478bd9Sstevel@tonic-gate load_modules(void) 21107c478bd9Sstevel@tonic-gate { 21117c478bd9Sstevel@tonic-gate DIR *mod_dir; 21124bc0a2efScasper struct dirent *entp; 21137c478bd9Sstevel@tonic-gate char cdir[PATH_MAX + 1]; 21147c478bd9Sstevel@tonic-gate char *last; 21157c478bd9Sstevel@tonic-gate char *mdir = module_dirs; 21167c478bd9Sstevel@tonic-gate char *fcn = "load_modules: "; 21177c478bd9Sstevel@tonic-gate 21187c478bd9Sstevel@tonic-gate while (*mdir != '\0') { 21197c478bd9Sstevel@tonic-gate 21207c478bd9Sstevel@tonic-gate while (*mdir == ':') { 21217c478bd9Sstevel@tonic-gate mdir++; 21227c478bd9Sstevel@tonic-gate } 21237c478bd9Sstevel@tonic-gate 21247c478bd9Sstevel@tonic-gate if (*mdir == '\0') { 21257c478bd9Sstevel@tonic-gate continue; 21267c478bd9Sstevel@tonic-gate } 21277c478bd9Sstevel@tonic-gate 21287c478bd9Sstevel@tonic-gate last = strchr(mdir, ':'); 21297c478bd9Sstevel@tonic-gate 21307c478bd9Sstevel@tonic-gate if (last == NULL) { 21317c478bd9Sstevel@tonic-gate last = mdir + strlen(mdir); 21327c478bd9Sstevel@tonic-gate } 21337c478bd9Sstevel@tonic-gate 21347c478bd9Sstevel@tonic-gate (void) strncpy(cdir, mdir, last - mdir); 21357c478bd9Sstevel@tonic-gate cdir[last - mdir] = '\0'; 21367c478bd9Sstevel@tonic-gate mdir += strlen(cdir); 21377c478bd9Sstevel@tonic-gate 21387c478bd9Sstevel@tonic-gate if ((mod_dir = opendir(cdir)) == NULL) { 21397c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sopendir(%s): %s\n", 21400a653502Swroche fcn, cdir, strerror(errno)); 21417c478bd9Sstevel@tonic-gate continue; 21427c478bd9Sstevel@tonic-gate } 21437c478bd9Sstevel@tonic-gate 21444bc0a2efScasper while ((entp = readdir(mod_dir)) != NULL) { 21457c478bd9Sstevel@tonic-gate 21467c478bd9Sstevel@tonic-gate if ((strcmp(entp->d_name, ".") == 0) || 21477c478bd9Sstevel@tonic-gate (strcmp(entp->d_name, "..") == 0)) { 21487c478bd9Sstevel@tonic-gate continue; 21497c478bd9Sstevel@tonic-gate } 21507c478bd9Sstevel@tonic-gate 21517c478bd9Sstevel@tonic-gate load_module(entp->d_name, cdir); 21527c478bd9Sstevel@tonic-gate } 21537c478bd9Sstevel@tonic-gate s_closedir(mod_dir); 21547c478bd9Sstevel@tonic-gate } 21557c478bd9Sstevel@tonic-gate } 21567c478bd9Sstevel@tonic-gate 21577c478bd9Sstevel@tonic-gate static void 21587c478bd9Sstevel@tonic-gate load_module(char *mname, char *cdir) 21597c478bd9Sstevel@tonic-gate { 21607c478bd9Sstevel@tonic-gate _devfsadm_create_reg_t *create_reg; 2161aa646b9dSvikram _devfsadm_remove_reg_V1_t *remove_reg; 21627c478bd9Sstevel@tonic-gate create_list_t *create_list_element; 21637c478bd9Sstevel@tonic-gate create_list_t **create_list_next; 21647c478bd9Sstevel@tonic-gate remove_list_t *remove_list_element; 21657c478bd9Sstevel@tonic-gate remove_list_t **remove_list_next; 21667c478bd9Sstevel@tonic-gate char epath[PATH_MAX + 1], *end; 21677c478bd9Sstevel@tonic-gate char *fcn = "load_module: "; 21687c478bd9Sstevel@tonic-gate char *dlerrstr; 21697c478bd9Sstevel@tonic-gate void *dlhandle; 21707c478bd9Sstevel@tonic-gate module_t *module; 2171aa646b9dSvikram int flags; 21727c478bd9Sstevel@tonic-gate int n; 21737c478bd9Sstevel@tonic-gate int i; 21747c478bd9Sstevel@tonic-gate 21757c478bd9Sstevel@tonic-gate /* ignore any file which does not end in '.so' */ 21767c478bd9Sstevel@tonic-gate if ((end = strstr(mname, MODULE_SUFFIX)) != NULL) { 21777c478bd9Sstevel@tonic-gate if (end[strlen(MODULE_SUFFIX)] != '\0') { 21787c478bd9Sstevel@tonic-gate return; 21797c478bd9Sstevel@tonic-gate } 21807c478bd9Sstevel@tonic-gate } else { 21817c478bd9Sstevel@tonic-gate return; 21827c478bd9Sstevel@tonic-gate } 21837c478bd9Sstevel@tonic-gate 21847c478bd9Sstevel@tonic-gate (void) snprintf(epath, sizeof (epath), "%s/%s", cdir, mname); 21857c478bd9Sstevel@tonic-gate 21867c478bd9Sstevel@tonic-gate if ((dlhandle = dlopen(epath, RTLD_LAZY)) == NULL) { 21877c478bd9Sstevel@tonic-gate dlerrstr = dlerror(); 21887c478bd9Sstevel@tonic-gate err_print(DLOPEN_FAILED, epath, 21890a653502Swroche dlerrstr ? dlerrstr : "unknown error"); 21907c478bd9Sstevel@tonic-gate return; 21917c478bd9Sstevel@tonic-gate } 21927c478bd9Sstevel@tonic-gate 21937c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_create_reg structure */ 21947c478bd9Sstevel@tonic-gate if (NULL == (create_reg = (_devfsadm_create_reg_t *) 21950a653502Swroche dlsym(dlhandle, _DEVFSADM_CREATE_REG))) { 21967c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): symbol not found\n", epath, 21970a653502Swroche _DEVFSADM_CREATE_REG); 21987c478bd9Sstevel@tonic-gate } else { 21997c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sdlsym(%s, %s) succeeded\n", 22000a653502Swroche fcn, epath, _DEVFSADM_CREATE_REG); 22017c478bd9Sstevel@tonic-gate } 22027c478bd9Sstevel@tonic-gate 22037c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_remove_reg structure */ 2204aa646b9dSvikram if (NULL == (remove_reg = (_devfsadm_remove_reg_V1_t *) 22057c478bd9Sstevel@tonic-gate dlsym(dlhandle, _DEVFSADM_REMOVE_REG))) { 22067c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s,\n\t%s): symbol not found\n", 22070a653502Swroche epath, _DEVFSADM_REMOVE_REG); 22087c478bd9Sstevel@tonic-gate } else { 22097c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): succeeded\n", 22100a653502Swroche epath, _DEVFSADM_REMOVE_REG); 22117c478bd9Sstevel@tonic-gate } 22127c478bd9Sstevel@tonic-gate 22137c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "module %s loaded\n", epath); 22147c478bd9Sstevel@tonic-gate 22157c478bd9Sstevel@tonic-gate module = (module_t *)s_malloc(sizeof (module_t)); 22167c478bd9Sstevel@tonic-gate module->name = s_strdup(epath); 22177c478bd9Sstevel@tonic-gate module->dlhandle = dlhandle; 22187c478bd9Sstevel@tonic-gate 22197c478bd9Sstevel@tonic-gate /* dlsym other module functions, to be called later */ 22207c478bd9Sstevel@tonic-gate module->minor_fini = (int (*)())dlsym(dlhandle, MINOR_FINI); 22217c478bd9Sstevel@tonic-gate module->minor_init = (int (*)())dlsym(dlhandle, MINOR_INIT); 22227c478bd9Sstevel@tonic-gate module->flags = 0; 22237c478bd9Sstevel@tonic-gate 22247c478bd9Sstevel@tonic-gate /* 22257c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_create on "create_head" 22267c478bd9Sstevel@tonic-gate * list sorted in interpose_lvl. 22277c478bd9Sstevel@tonic-gate */ 22287c478bd9Sstevel@tonic-gate if (create_reg != NULL) { 22297c478bd9Sstevel@tonic-gate for (i = 0; i < create_reg->count; i++) { 22307c478bd9Sstevel@tonic-gate int flags = create_reg->tblp[i].flags; 22317c478bd9Sstevel@tonic-gate 22327c478bd9Sstevel@tonic-gate create_list_element = (create_list_t *) 22330a653502Swroche s_malloc(sizeof (create_list_t)); 22347c478bd9Sstevel@tonic-gate 22357c478bd9Sstevel@tonic-gate create_list_element->create = &(create_reg->tblp[i]); 22367c478bd9Sstevel@tonic-gate create_list_element->modptr = module; 22377c478bd9Sstevel@tonic-gate 22387c478bd9Sstevel@tonic-gate if (((flags & CREATE_MASK) != 0) && 22397c478bd9Sstevel@tonic-gate ((flags & CREATE_MASK) != CREATE_DEFER)) { 22407c478bd9Sstevel@tonic-gate free(create_list_element); 22417c478bd9Sstevel@tonic-gate err_print("illegal flag combination in " 22420a653502Swroche "module create\n"); 22437c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22447c478bd9Sstevel@tonic-gate continue; 22457c478bd9Sstevel@tonic-gate } 22467c478bd9Sstevel@tonic-gate 22477c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) == 0) ^ 22487c478bd9Sstevel@tonic-gate (create_reg->tblp[i].node_type == NULL)) { 22497c478bd9Sstevel@tonic-gate free(create_list_element); 22507c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 22510a653502Swroche "node_type value in module create\n"); 22527c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22537c478bd9Sstevel@tonic-gate continue; 22547c478bd9Sstevel@tonic-gate } 22557c478bd9Sstevel@tonic-gate 22567c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) != 0) && 22577c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_EXACT) && 22587c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_RE) && 22597c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_PARTIAL)) { 22607c478bd9Sstevel@tonic-gate free(create_list_element); 22617c478bd9Sstevel@tonic-gate err_print("illegal TYPE_* flag combination in " 22620a653502Swroche "module create\n"); 22637c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22647c478bd9Sstevel@tonic-gate continue; 22657c478bd9Sstevel@tonic-gate } 22667c478bd9Sstevel@tonic-gate 22677c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 22687c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 22697c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 22707c478bd9Sstevel@tonic-gate node_type_comp), 22717c478bd9Sstevel@tonic-gate create_reg->tblp[i].node_type, 22727c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 22737c478bd9Sstevel@tonic-gate free(create_list_element); 22747c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 22750a653502Swroche create_reg->tblp[i].node_type, n); 22767c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22777c478bd9Sstevel@tonic-gate continue; 22787c478bd9Sstevel@tonic-gate } 22797c478bd9Sstevel@tonic-gate } 22807c478bd9Sstevel@tonic-gate 22817c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) == 0) ^ 22827c478bd9Sstevel@tonic-gate (create_reg->tblp[i].drv_name == NULL)) { 22837c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 22847c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 22857c478bd9Sstevel@tonic-gate node_type_comp)); 22867c478bd9Sstevel@tonic-gate } 22877c478bd9Sstevel@tonic-gate free(create_list_element); 22887c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 22890a653502Swroche "drv_name value in module create\n"); 22907c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22917c478bd9Sstevel@tonic-gate continue; 22927c478bd9Sstevel@tonic-gate } 22937c478bd9Sstevel@tonic-gate 22947c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) != 0) && 22957c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_EXACT) && 22967c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_RE)) { 22977c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 22987c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 22997c478bd9Sstevel@tonic-gate node_type_comp)); 23007c478bd9Sstevel@tonic-gate } 23017c478bd9Sstevel@tonic-gate free(create_list_element); 23027c478bd9Sstevel@tonic-gate err_print("illegal DRV_* flag combination in " 23030a653502Swroche "module create\n"); 23047c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 23057c478bd9Sstevel@tonic-gate continue; 23067c478bd9Sstevel@tonic-gate } 23077c478bd9Sstevel@tonic-gate 23087c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 23097c478bd9Sstevel@tonic-gate if ((create_reg->tblp[i].flags & DRV_RE) == DRV_RE) { 23107c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 23117c478bd9Sstevel@tonic-gate drv_name_comp), 23127c478bd9Sstevel@tonic-gate create_reg->tblp[i].drv_name, 23137c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 23147c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 23157c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 23167c478bd9Sstevel@tonic-gate node_type_comp)); 23177c478bd9Sstevel@tonic-gate } 23187c478bd9Sstevel@tonic-gate free(create_list_element); 23197c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 23200a653502Swroche create_reg->tblp[i].drv_name, n); 23217c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 23227c478bd9Sstevel@tonic-gate continue; 23237c478bd9Sstevel@tonic-gate } 23247c478bd9Sstevel@tonic-gate } 23257c478bd9Sstevel@tonic-gate 23267c478bd9Sstevel@tonic-gate 23277c478bd9Sstevel@tonic-gate /* add to list sorted by interpose level */ 23287c478bd9Sstevel@tonic-gate for (create_list_next = &(create_head); 23290a653502Swroche (*create_list_next != NULL) && 23300a653502Swroche (*create_list_next)->create->interpose_lvl >= 23310a653502Swroche create_list_element->create->interpose_lvl; 23320a653502Swroche create_list_next = &((*create_list_next)->next)) 23330a653502Swroche ; 23347c478bd9Sstevel@tonic-gate create_list_element->next = *create_list_next; 23357c478bd9Sstevel@tonic-gate *create_list_next = create_list_element; 23367c478bd9Sstevel@tonic-gate } 23377c478bd9Sstevel@tonic-gate } 23387c478bd9Sstevel@tonic-gate 23397c478bd9Sstevel@tonic-gate /* 23407c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_remove on "remove_head" 23417c478bd9Sstevel@tonic-gate * list sorted by interpose_lvl. 23427c478bd9Sstevel@tonic-gate */ 2343aa646b9dSvikram flags = 0; 23447c478bd9Sstevel@tonic-gate if (remove_reg != NULL) { 2345aa646b9dSvikram if (remove_reg->version < DEVFSADM_V1) 2346aa646b9dSvikram flags |= RM_NOINTERPOSE; 23477c478bd9Sstevel@tonic-gate for (i = 0; i < remove_reg->count; i++) { 23487c478bd9Sstevel@tonic-gate 23497c478bd9Sstevel@tonic-gate remove_list_element = (remove_list_t *) 23500a653502Swroche s_malloc(sizeof (remove_list_t)); 23517c478bd9Sstevel@tonic-gate 23527c478bd9Sstevel@tonic-gate remove_list_element->remove = &(remove_reg->tblp[i]); 2353aa646b9dSvikram remove_list_element->remove->flags |= flags; 23547c478bd9Sstevel@tonic-gate remove_list_element->modptr = module; 23557c478bd9Sstevel@tonic-gate 23567c478bd9Sstevel@tonic-gate for (remove_list_next = &(remove_head); 23570a653502Swroche (*remove_list_next != NULL) && 23580a653502Swroche (*remove_list_next)->remove->interpose_lvl >= 23590a653502Swroche remove_list_element->remove->interpose_lvl; 23600a653502Swroche remove_list_next = &((*remove_list_next)->next)) 23610a653502Swroche ; 23627c478bd9Sstevel@tonic-gate remove_list_element->next = *remove_list_next; 23637c478bd9Sstevel@tonic-gate *remove_list_next = remove_list_element; 23647c478bd9Sstevel@tonic-gate } 23657c478bd9Sstevel@tonic-gate } 23667c478bd9Sstevel@tonic-gate 23677c478bd9Sstevel@tonic-gate module->next = module_head; 23687c478bd9Sstevel@tonic-gate module_head = module; 23697c478bd9Sstevel@tonic-gate } 23707c478bd9Sstevel@tonic-gate 23717c478bd9Sstevel@tonic-gate /* 2372ff2aee48Scth * After we have completed a CACHE_STATE, if a SYNC_STATE does not occur 2373ff2aee48Scth * within 'timeout' secs the minor_fini_thread needs to do a SYNC_STATE 2374ff2aee48Scth * so that we still call the minor_fini routines. 23757c478bd9Sstevel@tonic-gate */ 23767c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 23777c478bd9Sstevel@tonic-gate static void 2378ff2aee48Scth minor_fini_thread(void *arg) 23797c478bd9Sstevel@tonic-gate { 2380ff2aee48Scth timestruc_t abstime; 23817c478bd9Sstevel@tonic-gate 2382ff2aee48Scth vprint(INITFINI_MID, "minor_fini_thread starting\n"); 23837c478bd9Sstevel@tonic-gate 2384ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 2385ff2aee48Scth for (;;) { 2386ff2aee48Scth /* wait the gather period, or until signaled */ 2387ff2aee48Scth abstime.tv_sec = time(NULL) + minor_fini_timeout; 2388ff2aee48Scth abstime.tv_nsec = 0; 2389ff2aee48Scth (void) cond_timedwait(&minor_fini_cv, 2390ff2aee48Scth &minor_fini_mutex, &abstime); 2391ff2aee48Scth 2392ff2aee48Scth /* if minor_fini was canceled, go wait again */ 2393ff2aee48Scth if (minor_fini_canceled == TRUE) 2394ff2aee48Scth continue; 23957c478bd9Sstevel@tonic-gate 2396ff2aee48Scth /* if minor_fini was delayed, go wait again */ 2397ff2aee48Scth if (minor_fini_delayed == TRUE) { 2398ff2aee48Scth minor_fini_delayed = FALSE; 2399ff2aee48Scth continue; 2400ff2aee48Scth } 24017c478bd9Sstevel@tonic-gate 2402ff2aee48Scth /* done with cancellations and delays, do the SYNC_STATE */ 24037c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 24047c478bd9Sstevel@tonic-gate 2405ff2aee48Scth lock_dev(); 2406ff2aee48Scth unlock_dev(SYNC_STATE); 2407ff2aee48Scth vprint(INITFINI_MID, "minor_fini sync done\n"); 24087c478bd9Sstevel@tonic-gate 2409ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 2410ff2aee48Scth } 24117c478bd9Sstevel@tonic-gate } 24127c478bd9Sstevel@tonic-gate 2413ff2aee48Scth 24147c478bd9Sstevel@tonic-gate /* 24157c478bd9Sstevel@tonic-gate * Attempt to initialize module, if a minor_init routine exists. Set 24167c478bd9Sstevel@tonic-gate * the active flag if the routine exists and succeeds. If it doesn't 24177c478bd9Sstevel@tonic-gate * exist, just set the active flag. 24187c478bd9Sstevel@tonic-gate */ 24197c478bd9Sstevel@tonic-gate static int 24207c478bd9Sstevel@tonic-gate call_minor_init(module_t *module) 24217c478bd9Sstevel@tonic-gate { 24227c478bd9Sstevel@tonic-gate char *fcn = "call_minor_init: "; 24237c478bd9Sstevel@tonic-gate 24247c478bd9Sstevel@tonic-gate if ((module->flags & MODULE_ACTIVE) == MODULE_ACTIVE) { 24257c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 24267c478bd9Sstevel@tonic-gate } 24277c478bd9Sstevel@tonic-gate 24287c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "%smodule %s. current state: inactive\n", 24290a653502Swroche fcn, module->name); 24307c478bd9Sstevel@tonic-gate 24317c478bd9Sstevel@tonic-gate if (module->minor_init == NULL) { 24327c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 24337c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init not defined\n"); 24347c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 24357c478bd9Sstevel@tonic-gate } 24367c478bd9Sstevel@tonic-gate 24377c478bd9Sstevel@tonic-gate if ((*(module->minor_init))() == DEVFSADM_FAILURE) { 24387c478bd9Sstevel@tonic-gate err_print(FAILED_FOR_MODULE, MINOR_INIT, module->name); 24397c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 24407c478bd9Sstevel@tonic-gate } 24417c478bd9Sstevel@tonic-gate 24427c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init() returns DEVFSADM_SUCCESS. " 24430a653502Swroche "new state: active\n"); 24447c478bd9Sstevel@tonic-gate 24457c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 24467c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 24477c478bd9Sstevel@tonic-gate } 24487c478bd9Sstevel@tonic-gate 24497c478bd9Sstevel@tonic-gate /* 24507c478bd9Sstevel@tonic-gate * Creates a symlink 'link' to the physical path of node:minor. 24517c478bd9Sstevel@tonic-gate * Construct link contents, then call create_link_common(). 24527c478bd9Sstevel@tonic-gate */ 24537c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 24547c478bd9Sstevel@tonic-gate int 2455facf4a8dSllai devfsadm_mklink(char *link, di_node_t node, di_minor_t minor, int flags) 24567c478bd9Sstevel@tonic-gate { 24577c478bd9Sstevel@tonic-gate char rcontents[PATH_MAX]; 24587c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 24597c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX]; 24607c478bd9Sstevel@tonic-gate char *acontents; 24617c478bd9Sstevel@tonic-gate char *dev_path; 24627c478bd9Sstevel@tonic-gate int numslashes; 24637c478bd9Sstevel@tonic-gate int rv; 24647c478bd9Sstevel@tonic-gate int i, link_exists; 24657c478bd9Sstevel@tonic-gate int last_was_slash = FALSE; 24667c478bd9Sstevel@tonic-gate 24677c478bd9Sstevel@tonic-gate /* 24687c478bd9Sstevel@tonic-gate * try to use devices path 24697c478bd9Sstevel@tonic-gate */ 24707c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 24717c478bd9Sstevel@tonic-gate acontents = lphy_path; 24727c478bd9Sstevel@tonic-gate } else if (di_minor_type(minor) == DDM_ALIAS) { 24737c478bd9Sstevel@tonic-gate /* use /pseudo/clone@0:<driver> as the phys path */ 24747c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), 24757c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", 24767c478bd9Sstevel@tonic-gate di_driver_name(di_minor_devinfo(minor))); 24777c478bd9Sstevel@tonic-gate acontents = phy_path; 24787c478bd9Sstevel@tonic-gate } else { 24797c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 24807c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 24817c478bd9Sstevel@tonic-gate devfsadm_exit(1); 2482537714daSvikram /*NOTREACHED*/ 24837c478bd9Sstevel@tonic-gate } 24847c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), "%s:%s", 24857c478bd9Sstevel@tonic-gate dev_path, di_minor_name(minor)); 24867c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 24877c478bd9Sstevel@tonic-gate acontents = phy_path; 24887c478bd9Sstevel@tonic-gate } 24897c478bd9Sstevel@tonic-gate 24907c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 24917c478bd9Sstevel@tonic-gate (void) strlcpy(devlink, dev_dir, sizeof (devlink)); 24927c478bd9Sstevel@tonic-gate (void) strlcat(devlink, "/", sizeof (devlink)); 24937c478bd9Sstevel@tonic-gate (void) strlcat(devlink, link, sizeof (devlink)); 24947c478bd9Sstevel@tonic-gate 24957c478bd9Sstevel@tonic-gate /* 24967c478bd9Sstevel@tonic-gate * Calculate # of ../ to add. Account for double '//' in path. 24977c478bd9Sstevel@tonic-gate * Ignore all leading slashes. 24987c478bd9Sstevel@tonic-gate */ 24997c478bd9Sstevel@tonic-gate for (i = 0; link[i] == '/'; i++) 25007c478bd9Sstevel@tonic-gate ; 25017c478bd9Sstevel@tonic-gate for (numslashes = 0; link[i] != '\0'; i++) { 25027c478bd9Sstevel@tonic-gate if (link[i] == '/') { 25037c478bd9Sstevel@tonic-gate if (last_was_slash == FALSE) { 25047c478bd9Sstevel@tonic-gate numslashes++; 25057c478bd9Sstevel@tonic-gate last_was_slash = TRUE; 25067c478bd9Sstevel@tonic-gate } 25077c478bd9Sstevel@tonic-gate } else { 25087c478bd9Sstevel@tonic-gate last_was_slash = FALSE; 25097c478bd9Sstevel@tonic-gate } 25107c478bd9Sstevel@tonic-gate } 25117c478bd9Sstevel@tonic-gate /* Don't count any trailing '/' */ 25127c478bd9Sstevel@tonic-gate if (link[i-1] == '/') { 25137c478bd9Sstevel@tonic-gate numslashes--; 25147c478bd9Sstevel@tonic-gate } 25157c478bd9Sstevel@tonic-gate 25167c478bd9Sstevel@tonic-gate rcontents[0] = '\0'; 25177c478bd9Sstevel@tonic-gate do { 25187c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "../", sizeof (rcontents)); 25197c478bd9Sstevel@tonic-gate } while (numslashes-- != 0); 25207c478bd9Sstevel@tonic-gate 25217c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "devices", sizeof (rcontents)); 25227c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, acontents, sizeof (rcontents)); 25237c478bd9Sstevel@tonic-gate 25247c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 25257c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding link %s ==> %s\n", devlink, rcontents); 25267c478bd9Sstevel@tonic-gate } 25277c478bd9Sstevel@tonic-gate 25287c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, rcontents, &link_exists)) 25297c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 25307c478bd9Sstevel@tonic-gate linknew = TRUE; 25317c478bd9Sstevel@tonic-gate add_link_to_cache(link, acontents); 25327c478bd9Sstevel@tonic-gate } else { 25337c478bd9Sstevel@tonic-gate linknew = FALSE; 25347c478bd9Sstevel@tonic-gate } 25357c478bd9Sstevel@tonic-gate 25367c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 25376e670f77Saj /* Link exists or was just created */ 25386e670f77Saj (void) di_devlink_add_link(devlink_cache, link, rcontents, 25396e670f77Saj DI_PRIMARY_LINK); 25406e670f77Saj 25416e670f77Saj if (system_labeled && (flags & DA_ADD)) { 254245916cd2Sjpk /* 25436e670f77Saj * Add this to the list of allocatable devices. If this 25446e670f77Saj * is a hotplugged, removable disk, add it as rmdisk. 254545916cd2Sjpk */ 25466e670f77Saj int instance = di_instance(node); 254745916cd2Sjpk 25486e670f77Saj if ((flags & DA_CD) && 25496e670f77Saj (_da_check_for_usb(devlink, root_dir) == 1)) { 255045916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, 255145916cd2Sjpk DA_ADD|DA_RMDISK); 255245916cd2Sjpk update_devdb = DA_RMDISK; 25536e670f77Saj } else if (linknew == TRUE) { 25546e670f77Saj (void) da_add_list(&devlist, devlink, instance, 25556e670f77Saj flags); 25566e670f77Saj update_devdb = flags; 255745916cd2Sjpk } 255845916cd2Sjpk } 25597c478bd9Sstevel@tonic-gate } 25607c478bd9Sstevel@tonic-gate 25617c478bd9Sstevel@tonic-gate return (rv); 25627c478bd9Sstevel@tonic-gate } 25637c478bd9Sstevel@tonic-gate 25647c478bd9Sstevel@tonic-gate /* 25657c478bd9Sstevel@tonic-gate * Creates a symlink link to primary_link. Calculates relative 25667c478bd9Sstevel@tonic-gate * directory offsets, then calls link_common(). 25677c478bd9Sstevel@tonic-gate */ 25687c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 25697c478bd9Sstevel@tonic-gate int 25707c478bd9Sstevel@tonic-gate devfsadm_secondary_link(char *link, char *primary_link, int flags) 25717c478bd9Sstevel@tonic-gate { 25727c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 25737c478bd9Sstevel@tonic-gate char devlink[PATH_MAX + 1]; 25747c478bd9Sstevel@tonic-gate int rv, link_exists; 25757c478bd9Sstevel@tonic-gate char *fpath; 25767c478bd9Sstevel@tonic-gate char *tpath; 25777c478bd9Sstevel@tonic-gate char *op; 25787c478bd9Sstevel@tonic-gate 25797c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 25807c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 25817c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 25827c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 25837c478bd9Sstevel@tonic-gate /* 25847c478bd9Sstevel@tonic-gate * building extra link, so use first link as link contents, but first 25857c478bd9Sstevel@tonic-gate * make it relative. 25867c478bd9Sstevel@tonic-gate */ 25877c478bd9Sstevel@tonic-gate fpath = link; 25887c478bd9Sstevel@tonic-gate tpath = primary_link; 25897c478bd9Sstevel@tonic-gate op = contents; 25907c478bd9Sstevel@tonic-gate 25917c478bd9Sstevel@tonic-gate while (*fpath == *tpath && *fpath != '\0') { 25927c478bd9Sstevel@tonic-gate fpath++, tpath++; 25937c478bd9Sstevel@tonic-gate } 25947c478bd9Sstevel@tonic-gate 25957c478bd9Sstevel@tonic-gate /* Count directories to go up, if any, and add "../" */ 25967c478bd9Sstevel@tonic-gate while (*fpath != '\0') { 25977c478bd9Sstevel@tonic-gate if (*fpath == '/') { 25987c478bd9Sstevel@tonic-gate (void) strcpy(op, "../"); 25997c478bd9Sstevel@tonic-gate op += 3; 26007c478bd9Sstevel@tonic-gate } 26017c478bd9Sstevel@tonic-gate fpath++; 26027c478bd9Sstevel@tonic-gate } 26037c478bd9Sstevel@tonic-gate 26047c478bd9Sstevel@tonic-gate /* 26057c478bd9Sstevel@tonic-gate * Back up to the start of the current path component, in 26067c478bd9Sstevel@tonic-gate * case in the middle 26077c478bd9Sstevel@tonic-gate */ 26087c478bd9Sstevel@tonic-gate while (tpath != primary_link && *(tpath-1) != '/') { 26097c478bd9Sstevel@tonic-gate tpath--; 26107c478bd9Sstevel@tonic-gate } 26117c478bd9Sstevel@tonic-gate (void) strcpy(op, tpath); 26127c478bd9Sstevel@tonic-gate 26137c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 26147c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding extra link %s ==> %s\n", 26150a653502Swroche devlink, contents); 26167c478bd9Sstevel@tonic-gate } 26177c478bd9Sstevel@tonic-gate 26187c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, contents, &link_exists)) 26197c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 26207c478bd9Sstevel@tonic-gate /* 26217c478bd9Sstevel@tonic-gate * we need to save the ultimate /devices contents, and not the 26227c478bd9Sstevel@tonic-gate * secondary link, since hotcleanup only looks at /devices path. 26237c478bd9Sstevel@tonic-gate * Since we don't have devices path here, we can try to get it 26247c478bd9Sstevel@tonic-gate * by readlink'ing the secondary link. This assumes the primary 26257c478bd9Sstevel@tonic-gate * link was created first. 26267c478bd9Sstevel@tonic-gate */ 26277c478bd9Sstevel@tonic-gate add_link_to_cache(link, lphy_path); 26287c478bd9Sstevel@tonic-gate linknew = TRUE; 262945916cd2Sjpk if (system_labeled && 263045916cd2Sjpk ((flags & DA_AUDIO) && (flags & DA_ADD))) { 263145916cd2Sjpk /* 263245916cd2Sjpk * Add this device to the list of allocatable devices. 263345916cd2Sjpk */ 263445916cd2Sjpk int instance = 0; 263545916cd2Sjpk 263645916cd2Sjpk op = strrchr(contents, '/'); 263745916cd2Sjpk op++; 263845916cd2Sjpk (void) sscanf(op, "%d", &instance); 263945916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, flags); 264045916cd2Sjpk update_devdb = flags; 264145916cd2Sjpk } 26427c478bd9Sstevel@tonic-gate } else { 26437c478bd9Sstevel@tonic-gate linknew = FALSE; 26447c478bd9Sstevel@tonic-gate } 26457c478bd9Sstevel@tonic-gate 26467c478bd9Sstevel@tonic-gate /* 26477c478bd9Sstevel@tonic-gate * If link exists or was just created, add it to the database 26487c478bd9Sstevel@tonic-gate */ 26497c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 26507c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, 26517c478bd9Sstevel@tonic-gate DI_SECONDARY_LINK); 26527c478bd9Sstevel@tonic-gate } 26537c478bd9Sstevel@tonic-gate 26547c478bd9Sstevel@tonic-gate return (rv); 26557c478bd9Sstevel@tonic-gate } 26567c478bd9Sstevel@tonic-gate 26577c478bd9Sstevel@tonic-gate /* returns pointer to the devices directory */ 26587c478bd9Sstevel@tonic-gate char * 26597c478bd9Sstevel@tonic-gate devfsadm_get_devices_dir() 26607c478bd9Sstevel@tonic-gate { 26617c478bd9Sstevel@tonic-gate return (devices_dir); 26627c478bd9Sstevel@tonic-gate } 26637c478bd9Sstevel@tonic-gate 26647c478bd9Sstevel@tonic-gate /* 26657c478bd9Sstevel@tonic-gate * Does the actual link creation. VERBOSE_MID only used if there is 26667c478bd9Sstevel@tonic-gate * a change. CHATTY_MID used otherwise. 26677c478bd9Sstevel@tonic-gate */ 26687c478bd9Sstevel@tonic-gate static int 26697c478bd9Sstevel@tonic-gate create_link_common(char *devlink, char *contents, int *exists) 26707c478bd9Sstevel@tonic-gate { 26717c478bd9Sstevel@tonic-gate int try; 26727c478bd9Sstevel@tonic-gate int linksize; 26737c478bd9Sstevel@tonic-gate int max_tries = 0; 26747c478bd9Sstevel@tonic-gate static int prev_link_existed = TRUE; 26757c478bd9Sstevel@tonic-gate char checkcontents[PATH_MAX + 1]; 26767c478bd9Sstevel@tonic-gate char *hide; 26777c478bd9Sstevel@tonic-gate 26787c478bd9Sstevel@tonic-gate *exists = FALSE; 26797c478bd9Sstevel@tonic-gate 26807c478bd9Sstevel@tonic-gate /* Database is not updated when file_mods == FALSE */ 26817c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 26827c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 26837c478bd9Sstevel@tonic-gate if (linksize > 0) { 26847c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 26857c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 26867c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, REMOVING_LINK, 26870a653502Swroche devlink, checkcontents); 26887c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26897c478bd9Sstevel@tonic-gate } else { 26907c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "link exists and is correct:" 26910a653502Swroche " %s -> %s\n", devlink, contents); 26927c478bd9Sstevel@tonic-gate /* failure only in that the link existed */ 26937c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 26947c478bd9Sstevel@tonic-gate } 26957c478bd9Sstevel@tonic-gate } else { 26967c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, contents); 26977c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26987c478bd9Sstevel@tonic-gate } 26997c478bd9Sstevel@tonic-gate } 27007c478bd9Sstevel@tonic-gate 27017c478bd9Sstevel@tonic-gate /* 27027c478bd9Sstevel@tonic-gate * systems calls are expensive, so predict whether to readlink 27037c478bd9Sstevel@tonic-gate * or symlink first, based on previous attempt 27047c478bd9Sstevel@tonic-gate */ 27057c478bd9Sstevel@tonic-gate if (prev_link_existed == FALSE) { 27067c478bd9Sstevel@tonic-gate try = CREATE_LINK; 27077c478bd9Sstevel@tonic-gate } else { 27087c478bd9Sstevel@tonic-gate try = READ_LINK; 27097c478bd9Sstevel@tonic-gate } 27107c478bd9Sstevel@tonic-gate 27117c478bd9Sstevel@tonic-gate while (++max_tries <= 3) { 27127c478bd9Sstevel@tonic-gate 27137c478bd9Sstevel@tonic-gate switch (try) { 27147c478bd9Sstevel@tonic-gate case CREATE_LINK: 27157c478bd9Sstevel@tonic-gate 27167c478bd9Sstevel@tonic-gate if (symlink(contents, devlink) == 0) { 27177c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, 27180a653502Swroche contents); 27197c478bd9Sstevel@tonic-gate prev_link_existed = FALSE; 27207c478bd9Sstevel@tonic-gate /* link successfully created */ 27217c478bd9Sstevel@tonic-gate *exists = TRUE; 27227c478bd9Sstevel@tonic-gate set_logindev_perms(devlink); 27237c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 27247c478bd9Sstevel@tonic-gate } else { 27257c478bd9Sstevel@tonic-gate switch (errno) { 27267c478bd9Sstevel@tonic-gate 27277c478bd9Sstevel@tonic-gate case ENOENT: 27287c478bd9Sstevel@tonic-gate /* dirpath to node doesn't exist */ 27297c478bd9Sstevel@tonic-gate hide = strrchr(devlink, '/'); 27307c478bd9Sstevel@tonic-gate *hide = '\0'; 27317c478bd9Sstevel@tonic-gate s_mkdirp(devlink, S_IRWXU|S_IRGRP| 27320a653502Swroche S_IXGRP|S_IROTH|S_IXOTH); 27337c478bd9Sstevel@tonic-gate *hide = '/'; 27347c478bd9Sstevel@tonic-gate break; 27357c478bd9Sstevel@tonic-gate case EEXIST: 27367c478bd9Sstevel@tonic-gate try = READ_LINK; 27377c478bd9Sstevel@tonic-gate break; 27387c478bd9Sstevel@tonic-gate default: 27397c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, devlink, 27400a653502Swroche contents, strerror(errno)); 27417c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 27427c478bd9Sstevel@tonic-gate } 27437c478bd9Sstevel@tonic-gate } 27447c478bd9Sstevel@tonic-gate break; 27457c478bd9Sstevel@tonic-gate 27467c478bd9Sstevel@tonic-gate case READ_LINK: 27477c478bd9Sstevel@tonic-gate 27487c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 27497c478bd9Sstevel@tonic-gate if (linksize >= 0) { 27507c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 27517c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 27527c478bd9Sstevel@tonic-gate s_unlink(devlink); 27537c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, REMOVING_LINK, 27540a653502Swroche devlink, checkcontents); 27557c478bd9Sstevel@tonic-gate try = CREATE_LINK; 27567c478bd9Sstevel@tonic-gate } else { 27577c478bd9Sstevel@tonic-gate prev_link_existed = TRUE; 27587c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, 27590a653502Swroche "link exists and is correct:" 27600a653502Swroche " %s -> %s\n", devlink, contents); 27617c478bd9Sstevel@tonic-gate *exists = TRUE; 27627c478bd9Sstevel@tonic-gate /* failure in that the link existed */ 27637c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 27647c478bd9Sstevel@tonic-gate } 27657c478bd9Sstevel@tonic-gate } else { 27667c478bd9Sstevel@tonic-gate switch (errno) { 27677c478bd9Sstevel@tonic-gate case EINVAL: 27687c478bd9Sstevel@tonic-gate /* not a symlink, remove and create */ 27697c478bd9Sstevel@tonic-gate s_unlink(devlink); 27707c478bd9Sstevel@tonic-gate default: 27717c478bd9Sstevel@tonic-gate /* maybe it didn't exist at all */ 27727c478bd9Sstevel@tonic-gate try = CREATE_LINK; 27737c478bd9Sstevel@tonic-gate break; 27747c478bd9Sstevel@tonic-gate } 27757c478bd9Sstevel@tonic-gate } 27767c478bd9Sstevel@tonic-gate break; 27777c478bd9Sstevel@tonic-gate } 27787c478bd9Sstevel@tonic-gate } 27797c478bd9Sstevel@tonic-gate err_print(MAX_ATTEMPTS, devlink, contents); 27807c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 27817c478bd9Sstevel@tonic-gate } 27827c478bd9Sstevel@tonic-gate 27837c478bd9Sstevel@tonic-gate static void 27847c478bd9Sstevel@tonic-gate set_logindev_perms(char *devlink) 27857c478bd9Sstevel@tonic-gate { 27867c478bd9Sstevel@tonic-gate struct login_dev *newdev; 27877c478bd9Sstevel@tonic-gate struct passwd pwd, *resp; 27887c478bd9Sstevel@tonic-gate char pwd_buf[PATH_MAX]; 27897c478bd9Sstevel@tonic-gate int rv; 27907c478bd9Sstevel@tonic-gate struct stat sb; 27917c478bd9Sstevel@tonic-gate char *devfs_path = NULL; 27927c478bd9Sstevel@tonic-gate 27937c478bd9Sstevel@tonic-gate /* 27947c478bd9Sstevel@tonic-gate * We only want logindev perms to be set when a device is 27957c478bd9Sstevel@tonic-gate * hotplugged or an application requests synchronous creates. 27967c478bd9Sstevel@tonic-gate * So we enable this only in daemon mode. In addition, 27977c478bd9Sstevel@tonic-gate * login(1) only fixes the std. /dev dir. So we don't 27987c478bd9Sstevel@tonic-gate * change perms if alternate root is set. 27997c478bd9Sstevel@tonic-gate * login_dev_enable is TRUE only in these cases. 28007c478bd9Sstevel@tonic-gate */ 28017c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 28027c478bd9Sstevel@tonic-gate return; 28037c478bd9Sstevel@tonic-gate 28047c478bd9Sstevel@tonic-gate /* 28057c478bd9Sstevel@tonic-gate * Normally, /etc/logindevperm has few (8 - 10 entries) which 28067c478bd9Sstevel@tonic-gate * may be regular expressions (globs were converted to RE). 28077c478bd9Sstevel@tonic-gate * So just do a linear search through the list. 28087c478bd9Sstevel@tonic-gate */ 28097c478bd9Sstevel@tonic-gate for (newdev = login_dev_cache; newdev; newdev = newdev->ldev_next) { 28107c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matching %s with %s\n", devlink, 28117c478bd9Sstevel@tonic-gate newdev->ldev_device); 28127c478bd9Sstevel@tonic-gate 28137c478bd9Sstevel@tonic-gate if (regexec(&newdev->ldev_device_regex, devlink, 0, 28147c478bd9Sstevel@tonic-gate NULL, 0) == 0) { 28157c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matched %s with %s\n", devlink, 28167c478bd9Sstevel@tonic-gate newdev->ldev_device); 28177c478bd9Sstevel@tonic-gate break; 28187c478bd9Sstevel@tonic-gate } 28197c478bd9Sstevel@tonic-gate } 28207c478bd9Sstevel@tonic-gate 28217c478bd9Sstevel@tonic-gate if (newdev == NULL) 28227c478bd9Sstevel@tonic-gate return; 28237c478bd9Sstevel@tonic-gate 28247c478bd9Sstevel@tonic-gate /* 28257c478bd9Sstevel@tonic-gate * we have a match, now find the driver associated with this 28267c478bd9Sstevel@tonic-gate * minor node using a snapshot on the physical path 28277c478bd9Sstevel@tonic-gate */ 28287c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, &devfs_path, 0); 28297c478bd9Sstevel@tonic-gate if (devfs_path) { 28307c478bd9Sstevel@tonic-gate di_node_t node; 28317c478bd9Sstevel@tonic-gate char *drv = NULL; 28327c478bd9Sstevel@tonic-gate struct driver_list *list; 28337c478bd9Sstevel@tonic-gate char *p; 28347c478bd9Sstevel@tonic-gate 28357c478bd9Sstevel@tonic-gate /* truncate on : so we can take a snapshot */ 28367c478bd9Sstevel@tonic-gate (void) strcpy(pwd_buf, devfs_path); 28377c478bd9Sstevel@tonic-gate p = strrchr(pwd_buf, ':'); 28387c478bd9Sstevel@tonic-gate if (p == NULL) { 28397c478bd9Sstevel@tonic-gate free(devfs_path); 28407c478bd9Sstevel@tonic-gate return; 28417c478bd9Sstevel@tonic-gate } 28427c478bd9Sstevel@tonic-gate *p = '\0'; 28437c478bd9Sstevel@tonic-gate 28447c478bd9Sstevel@tonic-gate vprint(FILES_MID, "link=%s->physpath=%s\n", 28457c478bd9Sstevel@tonic-gate devlink, pwd_buf); 28467c478bd9Sstevel@tonic-gate 28477c478bd9Sstevel@tonic-gate node = di_init(pwd_buf, DINFOMINOR); 28487c478bd9Sstevel@tonic-gate 28497c478bd9Sstevel@tonic-gate if (node) { 28507c478bd9Sstevel@tonic-gate drv = di_driver_name(node); 28517c478bd9Sstevel@tonic-gate 28527c478bd9Sstevel@tonic-gate if (drv) { 28537c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s: driver is %s\n", 28547c478bd9Sstevel@tonic-gate devlink, drv); 28557c478bd9Sstevel@tonic-gate } 28567c478bd9Sstevel@tonic-gate di_fini(node); 28577c478bd9Sstevel@tonic-gate } 28587c478bd9Sstevel@tonic-gate /* search thru the driver list specified in logindevperm */ 28597c478bd9Sstevel@tonic-gate list = newdev->ldev_driver_list; 28607c478bd9Sstevel@tonic-gate if ((drv != NULL) && (list != NULL)) { 28617c478bd9Sstevel@tonic-gate while (list) { 28627c478bd9Sstevel@tonic-gate if (strcmp(list->driver_name, 28637c478bd9Sstevel@tonic-gate drv) == 0) { 28647c478bd9Sstevel@tonic-gate vprint(FILES_MID, 28657c478bd9Sstevel@tonic-gate "driver %s match!\n", drv); 28667c478bd9Sstevel@tonic-gate break; 28677c478bd9Sstevel@tonic-gate } 28687c478bd9Sstevel@tonic-gate list = list->next; 28697c478bd9Sstevel@tonic-gate } 28707c478bd9Sstevel@tonic-gate if (list == NULL) { 28717c478bd9Sstevel@tonic-gate vprint(FILES_MID, "no driver match!\n"); 28727c478bd9Sstevel@tonic-gate free(devfs_path); 28737c478bd9Sstevel@tonic-gate return; 28747c478bd9Sstevel@tonic-gate } 28757c478bd9Sstevel@tonic-gate } 28767c478bd9Sstevel@tonic-gate free(devfs_path); 28777c478bd9Sstevel@tonic-gate } else { 28787c478bd9Sstevel@tonic-gate return; 28797c478bd9Sstevel@tonic-gate } 28807c478bd9Sstevel@tonic-gate 28817c478bd9Sstevel@tonic-gate vprint(FILES_MID, "changing permissions of %s\n", devlink); 28827c478bd9Sstevel@tonic-gate 28837c478bd9Sstevel@tonic-gate /* 28847c478bd9Sstevel@tonic-gate * We have a match. We now attempt to determine the 28857c478bd9Sstevel@tonic-gate * owner and group of the console user. 28867c478bd9Sstevel@tonic-gate * 28877c478bd9Sstevel@tonic-gate * stat() the console device newdev->ldev_console 28887c478bd9Sstevel@tonic-gate * which will always exist - it will have the right owner but 28897c478bd9Sstevel@tonic-gate * not the right group. Use getpwuid_r() to determine group for this 28907c478bd9Sstevel@tonic-gate * uid. 28917c478bd9Sstevel@tonic-gate * Note, it is safe to use name service here since if name services 28927c478bd9Sstevel@tonic-gate * are not available (during boot or in single-user mode), then 28937c478bd9Sstevel@tonic-gate * console owner will be root and its gid can be found in 28947c478bd9Sstevel@tonic-gate * local files. 28957c478bd9Sstevel@tonic-gate */ 28967c478bd9Sstevel@tonic-gate if (stat(newdev->ldev_console, &sb) == -1) { 28977c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, STAT_FAILED, newdev->ldev_console, 28987c478bd9Sstevel@tonic-gate strerror(errno)); 28997c478bd9Sstevel@tonic-gate return; 29007c478bd9Sstevel@tonic-gate } 29017c478bd9Sstevel@tonic-gate 29027c478bd9Sstevel@tonic-gate resp = NULL; 29037c478bd9Sstevel@tonic-gate rv = getpwuid_r(sb.st_uid, &pwd, pwd_buf, sizeof (pwd_buf), &resp); 29047c478bd9Sstevel@tonic-gate if (rv || resp == NULL) { 29057c478bd9Sstevel@tonic-gate rv = rv ? rv : EINVAL; 29067c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, GID_FAILED, sb.st_uid, 29077c478bd9Sstevel@tonic-gate strerror(rv)); 29087c478bd9Sstevel@tonic-gate return; 29097c478bd9Sstevel@tonic-gate } 29107c478bd9Sstevel@tonic-gate 29117c478bd9Sstevel@tonic-gate assert(&pwd == resp); 29127c478bd9Sstevel@tonic-gate 29137c478bd9Sstevel@tonic-gate sb.st_gid = resp->pw_gid; 29147c478bd9Sstevel@tonic-gate 29157c478bd9Sstevel@tonic-gate if (chmod(devlink, newdev->ldev_perms) == -1) { 29167c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, devlink, 29177c478bd9Sstevel@tonic-gate strerror(errno)); 29187c478bd9Sstevel@tonic-gate return; 29197c478bd9Sstevel@tonic-gate } 29207c478bd9Sstevel@tonic-gate 29217c478bd9Sstevel@tonic-gate if (chown(devlink, sb.st_uid, sb.st_gid) == -1) { 29227c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, devlink, 29237c478bd9Sstevel@tonic-gate strerror(errno)); 29247c478bd9Sstevel@tonic-gate } 29257c478bd9Sstevel@tonic-gate } 29267c478bd9Sstevel@tonic-gate 29277c478bd9Sstevel@tonic-gate /* 29287c478bd9Sstevel@tonic-gate * Reset /devices node with appropriate permissions and 29297c478bd9Sstevel@tonic-gate * ownership as specified in /etc/minor_perm. 29307c478bd9Sstevel@tonic-gate */ 29317c478bd9Sstevel@tonic-gate static void 29327c478bd9Sstevel@tonic-gate reset_node_permissions(di_node_t node, di_minor_t minor) 29337c478bd9Sstevel@tonic-gate { 29347c478bd9Sstevel@tonic-gate int spectype; 29357c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 29367c478bd9Sstevel@tonic-gate mode_t mode; 29377c478bd9Sstevel@tonic-gate dev_t dev; 29387c478bd9Sstevel@tonic-gate uid_t uid; 29397c478bd9Sstevel@tonic-gate gid_t gid; 29407c478bd9Sstevel@tonic-gate struct stat sb; 29417c478bd9Sstevel@tonic-gate char *dev_path, *aminor = NULL; 29427c478bd9Sstevel@tonic-gate 29437c478bd9Sstevel@tonic-gate /* lphy_path starts with / */ 29447c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 29457c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 29467c478bd9Sstevel@tonic-gate devfsadm_exit(1); 2947537714daSvikram /*NOTREACHED*/ 29487c478bd9Sstevel@tonic-gate } 29497c478bd9Sstevel@tonic-gate (void) strcpy(lphy_path, dev_path); 29507c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 29517c478bd9Sstevel@tonic-gate 29527c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, ":"); 29537c478bd9Sstevel@tonic-gate if (di_minor_type(minor) == DDM_ALIAS) { 29547c478bd9Sstevel@tonic-gate char *driver; 29557c478bd9Sstevel@tonic-gate aminor = di_minor_name(minor); 29567c478bd9Sstevel@tonic-gate driver = di_driver_name(di_minor_devinfo(minor)); 29577c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, driver); 29587c478bd9Sstevel@tonic-gate } else 29597c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, di_minor_name(minor)); 29607c478bd9Sstevel@tonic-gate 29617c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, devices_dir); 29627c478bd9Sstevel@tonic-gate (void) strcat(phy_path, lphy_path); 29637c478bd9Sstevel@tonic-gate 29647c478bd9Sstevel@tonic-gate lnode = node; 29657c478bd9Sstevel@tonic-gate lminor = minor; 29667c478bd9Sstevel@tonic-gate 29677c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "reset_node_permissions: phy_path=%s lphy_path=%s\n", 29680a653502Swroche phy_path, lphy_path); 29697c478bd9Sstevel@tonic-gate 29707c478bd9Sstevel@tonic-gate dev = di_minor_devt(minor); 29717c478bd9Sstevel@tonic-gate spectype = di_minor_spectype(minor); /* block or char */ 29727c478bd9Sstevel@tonic-gate 29737c478bd9Sstevel@tonic-gate getattr(phy_path, aminor, spectype, dev, &mode, &uid, &gid); 29747c478bd9Sstevel@tonic-gate 29757c478bd9Sstevel@tonic-gate /* 29767c478bd9Sstevel@tonic-gate * compare and set permissions and ownership 29777c478bd9Sstevel@tonic-gate * 29787c478bd9Sstevel@tonic-gate * Under devfs, a quick insertion and removal of USB devices 29797c478bd9Sstevel@tonic-gate * would cause stat of physical path to fail. In this case, 29807c478bd9Sstevel@tonic-gate * we emit a verbose message, but don't print errors. 29817c478bd9Sstevel@tonic-gate */ 29827c478bd9Sstevel@tonic-gate if ((stat(phy_path, &sb) == -1) || (sb.st_rdev != dev)) { 29837c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, NO_DEVFS_NODE, phy_path); 29847c478bd9Sstevel@tonic-gate return; 29857c478bd9Sstevel@tonic-gate } 29867c478bd9Sstevel@tonic-gate 29877c478bd9Sstevel@tonic-gate /* 298845916cd2Sjpk * If we are here for a new device 298945916cd2Sjpk * If device allocation is on 299045916cd2Sjpk * then 299145916cd2Sjpk * set ownership to root:other and permissions to 0000 299245916cd2Sjpk * else 299345916cd2Sjpk * set ownership and permissions as specified in minor_perm 299445916cd2Sjpk * If we are here for an existing device 299545916cd2Sjpk * If device allocation is to be turned on 299645916cd2Sjpk * then 299745916cd2Sjpk * reset ownership to root:other and permissions to 0000 299845916cd2Sjpk * else if device allocation is to be turned off 299945916cd2Sjpk * reset ownership and permissions to those specified in 300045916cd2Sjpk * minor_perm 300145916cd2Sjpk * else 3002ff2aee48Scth * preserve existing/user-modified ownership and 300345916cd2Sjpk * permissions 300445916cd2Sjpk * 300545916cd2Sjpk * devfs indicates a new device by faking access time to be zero. 30067c478bd9Sstevel@tonic-gate */ 30077c478bd9Sstevel@tonic-gate if (sb.st_atime != 0) { 30087c478bd9Sstevel@tonic-gate int i; 30097c478bd9Sstevel@tonic-gate char *nt; 30107c478bd9Sstevel@tonic-gate 301145916cd2Sjpk if ((devalloc_flag == 0) && (devalloc_is_on != 1)) 301245916cd2Sjpk /* 301345916cd2Sjpk * Leave existing devices as they are if we are not 301445916cd2Sjpk * turning device allocation on/off. 301545916cd2Sjpk */ 30167c478bd9Sstevel@tonic-gate return; 30177c478bd9Sstevel@tonic-gate 30187c478bd9Sstevel@tonic-gate nt = di_minor_nodetype(minor); 301945916cd2Sjpk 30207c478bd9Sstevel@tonic-gate if (nt == NULL) 30217c478bd9Sstevel@tonic-gate return; 302245916cd2Sjpk 302345916cd2Sjpk for (i = 0; devalloc_list[i]; i++) { 302445916cd2Sjpk if (strcmp(nt, devalloc_list[i]) == 0) 302545916cd2Sjpk /* 302645916cd2Sjpk * One of the types recognized by devalloc, 302745916cd2Sjpk * reset attrs. 302845916cd2Sjpk */ 30297c478bd9Sstevel@tonic-gate break; 30307c478bd9Sstevel@tonic-gate } 303145916cd2Sjpk if (devalloc_list[i] == NULL) 30327c478bd9Sstevel@tonic-gate return; 30337c478bd9Sstevel@tonic-gate } 30347c478bd9Sstevel@tonic-gate 30357c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 30367c478bd9Sstevel@tonic-gate /* Nothing more to do if simulating */ 30377c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 30387c478bd9Sstevel@tonic-gate return; 30397c478bd9Sstevel@tonic-gate } 30407c478bd9Sstevel@tonic-gate 30418c206d17Spr if ((devalloc_flag == DA_ON) || 30428c206d17Spr ((devalloc_is_on == 1) && (devalloc_flag != DA_OFF))) { 304345916cd2Sjpk /* 30448c206d17Spr * we are here either to turn device allocation on or 30458c206d17Spr * to add a new device while device allocation is on 30468c206d17Spr * (and we've confirmed that we're not turning it 30478c206d17Spr * off). 304845916cd2Sjpk */ 304945916cd2Sjpk mode = DEALLOC_MODE; 305045916cd2Sjpk uid = DA_UID; 305145916cd2Sjpk gid = DA_GID; 305245916cd2Sjpk } 305345916cd2Sjpk 305445916cd2Sjpk if ((devalloc_is_on == 1) || (devalloc_flag == DA_ON) || 305545916cd2Sjpk (sb.st_mode != mode)) { 30567c478bd9Sstevel@tonic-gate if (chmod(phy_path, mode) == -1) 30577c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, 30587c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 30597c478bd9Sstevel@tonic-gate } 306045916cd2Sjpk if ((devalloc_is_on == 1) || (devalloc_flag == DA_ON) || 306145916cd2Sjpk (sb.st_uid != uid || sb.st_gid != gid)) { 30627c478bd9Sstevel@tonic-gate if (chown(phy_path, uid, gid) == -1) 30637c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, 30647c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 30657c478bd9Sstevel@tonic-gate } 30667c478bd9Sstevel@tonic-gate 30677c478bd9Sstevel@tonic-gate /* Report that we actually did something */ 30687c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 30697c478bd9Sstevel@tonic-gate } 30707c478bd9Sstevel@tonic-gate 30717c478bd9Sstevel@tonic-gate /* 30727c478bd9Sstevel@tonic-gate * Removes logical link and the minor node it refers to. If file is a 30737c478bd9Sstevel@tonic-gate * link, we recurse and try to remove the minor node (or link if path is 30747c478bd9Sstevel@tonic-gate * a double link) that file's link contents refer to. 30757c478bd9Sstevel@tonic-gate */ 30767c478bd9Sstevel@tonic-gate static void 30777c478bd9Sstevel@tonic-gate devfsadm_rm_work(char *file, int recurse, int file_type) 30787c478bd9Sstevel@tonic-gate { 30797c478bd9Sstevel@tonic-gate char *fcn = "devfsadm_rm_work: "; 30807c478bd9Sstevel@tonic-gate int linksize; 30817c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 30827c478bd9Sstevel@tonic-gate char nextfile[PATH_MAX + 1]; 30837c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 30847c478bd9Sstevel@tonic-gate char *ptr; 30857c478bd9Sstevel@tonic-gate 30867c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s\n", fcn, file); 30877c478bd9Sstevel@tonic-gate 30887c478bd9Sstevel@tonic-gate /* TYPE_LINK split into multiple if's due to excessive indentations */ 30897c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 30907c478bd9Sstevel@tonic-gate (void) strcpy(newfile, dev_dir); 30917c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 30927c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 30937c478bd9Sstevel@tonic-gate } 30947c478bd9Sstevel@tonic-gate 30957c478bd9Sstevel@tonic-gate if ((file_type == TYPE_LINK) && (recurse == TRUE) && 30967c478bd9Sstevel@tonic-gate ((linksize = readlink(newfile, contents, PATH_MAX)) > 0)) { 30977c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 30987c478bd9Sstevel@tonic-gate 30997c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_TRUE) { 31007c478bd9Sstevel@tonic-gate devfsadm_rm_work(++ptr, FALSE, TYPE_DEVICES); 31017c478bd9Sstevel@tonic-gate } else { 31027c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 31037c478bd9Sstevel@tonic-gate devfsadm_rm_work(&contents[strlen(DEV) + 1], 31040a653502Swroche TRUE, TYPE_LINK); 31057c478bd9Sstevel@tonic-gate } else { 31067c478bd9Sstevel@tonic-gate if ((ptr = strrchr(file, '/')) != NULL) { 31077c478bd9Sstevel@tonic-gate *ptr = '\0'; 31087c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, file); 31097c478bd9Sstevel@tonic-gate *ptr = '/'; 31107c478bd9Sstevel@tonic-gate (void) strcat(nextfile, "/"); 31117c478bd9Sstevel@tonic-gate } else { 31127c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, ""); 31137c478bd9Sstevel@tonic-gate } 31147c478bd9Sstevel@tonic-gate (void) strcat(nextfile, contents); 31157c478bd9Sstevel@tonic-gate devfsadm_rm_work(nextfile, TRUE, TYPE_LINK); 31167c478bd9Sstevel@tonic-gate } 31177c478bd9Sstevel@tonic-gate } 31187c478bd9Sstevel@tonic-gate } 31197c478bd9Sstevel@tonic-gate 31207c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 31217c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, DEVFSADM_UNLINK, newfile); 31227c478bd9Sstevel@tonic-gate if (file_mods == TRUE) { 31237c478bd9Sstevel@tonic-gate rm_link_from_cache(file); 31247c478bd9Sstevel@tonic-gate s_unlink(newfile); 31257c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(newfile); 31267c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 31277c478bd9Sstevel@tonic-gate (void) di_devlink_rm_link(devlink_cache, file); 31287c478bd9Sstevel@tonic-gate } 31297c478bd9Sstevel@tonic-gate } 31307c478bd9Sstevel@tonic-gate 31317c478bd9Sstevel@tonic-gate /* 31327c478bd9Sstevel@tonic-gate * Note: we don't remove /devices entries because they are 31337c478bd9Sstevel@tonic-gate * covered by devfs. 31347c478bd9Sstevel@tonic-gate */ 31357c478bd9Sstevel@tonic-gate } 31367c478bd9Sstevel@tonic-gate 31377c478bd9Sstevel@tonic-gate void 31387c478bd9Sstevel@tonic-gate devfsadm_rm_link(char *file) 31397c478bd9Sstevel@tonic-gate { 31407c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, FALSE, TYPE_LINK); 31417c478bd9Sstevel@tonic-gate } 31427c478bd9Sstevel@tonic-gate 31437c478bd9Sstevel@tonic-gate void 31447c478bd9Sstevel@tonic-gate devfsadm_rm_all(char *file) 31457c478bd9Sstevel@tonic-gate { 31467c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, TRUE, TYPE_LINK); 31477c478bd9Sstevel@tonic-gate } 31487c478bd9Sstevel@tonic-gate 31494bc0a2efScasper static int 31507c478bd9Sstevel@tonic-gate s_rmdir(char *path) 31517c478bd9Sstevel@tonic-gate { 31527c478bd9Sstevel@tonic-gate int i; 31537c478bd9Sstevel@tonic-gate char *rpath, *dir; 31547c478bd9Sstevel@tonic-gate const char *fcn = "s_rmdir"; 31557c478bd9Sstevel@tonic-gate 31567c478bd9Sstevel@tonic-gate /* 31577c478bd9Sstevel@tonic-gate * Certain directories are created at install time by packages. 31587c478bd9Sstevel@tonic-gate * Some of them (listed in packaged_dirs[]) are required by apps 31597c478bd9Sstevel@tonic-gate * and need to be present even when empty. 31607c478bd9Sstevel@tonic-gate */ 31617c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: checking if %s is packaged\n", fcn, path); 31627c478bd9Sstevel@tonic-gate 31637c478bd9Sstevel@tonic-gate rpath = path + strlen(dev_dir) + 1; 31647c478bd9Sstevel@tonic-gate 31657c478bd9Sstevel@tonic-gate for (i = 0; (dir = packaged_dirs[i]) != NULL; i++) { 31667c478bd9Sstevel@tonic-gate if (*rpath == *dir) { 31677c478bd9Sstevel@tonic-gate if (strcmp(rpath, dir) == 0) { 31687c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: skipping packaged dir: " 31697c478bd9Sstevel@tonic-gate "%s\n", fcn, path); 31704bc0a2efScasper errno = EEXIST; 31714bc0a2efScasper return (-1); 31727c478bd9Sstevel@tonic-gate } 31737c478bd9Sstevel@tonic-gate } 31747c478bd9Sstevel@tonic-gate } 31757c478bd9Sstevel@tonic-gate 31764bc0a2efScasper return (rmdir(path)); 31777c478bd9Sstevel@tonic-gate } 31787c478bd9Sstevel@tonic-gate 31797c478bd9Sstevel@tonic-gate /* 31807c478bd9Sstevel@tonic-gate * Try to remove any empty directories up the tree. It is assumed that 31817c478bd9Sstevel@tonic-gate * pathname is a file that was removed, so start with its parent, and 31827c478bd9Sstevel@tonic-gate * work up the tree. 31837c478bd9Sstevel@tonic-gate */ 31847c478bd9Sstevel@tonic-gate static void 31857c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(char *pathname) 31867c478bd9Sstevel@tonic-gate { 31877c478bd9Sstevel@tonic-gate char *ptr, path[PATH_MAX + 1]; 31887c478bd9Sstevel@tonic-gate char *fcn = "rm_parent_dir_if_empty: "; 31897c478bd9Sstevel@tonic-gate 31907c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%schecking %s if empty\n", fcn, pathname); 31917c478bd9Sstevel@tonic-gate 31927c478bd9Sstevel@tonic-gate (void) strcpy(path, pathname); 31937c478bd9Sstevel@tonic-gate 31947c478bd9Sstevel@tonic-gate /* 31957c478bd9Sstevel@tonic-gate * ascend up the dir tree, deleting all empty dirs. 31967c478bd9Sstevel@tonic-gate * Return immediately if a dir is not empty. 31977c478bd9Sstevel@tonic-gate */ 31987c478bd9Sstevel@tonic-gate for (;;) { 31997c478bd9Sstevel@tonic-gate 32007c478bd9Sstevel@tonic-gate if ((ptr = strrchr(path, '/')) == NULL) { 32017c478bd9Sstevel@tonic-gate return; 32027c478bd9Sstevel@tonic-gate } 32037c478bd9Sstevel@tonic-gate 32047c478bd9Sstevel@tonic-gate *ptr = '\0'; 32057c478bd9Sstevel@tonic-gate 3206e37c6c37Scth if (finddev_emptydir(path)) { 3207e37c6c37Scth /* directory is empty */ 3208facf4a8dSllai if (s_rmdir(path) == 0) { 3209facf4a8dSllai vprint(REMOVE_MID, 3210facf4a8dSllai "%sremoving empty dir %s\n", fcn, path); 3211facf4a8dSllai } else if (errno == EEXIST) { 3212facf4a8dSllai vprint(REMOVE_MID, 3213facf4a8dSllai "%sfailed to remove dir: %s\n", fcn, path); 3214facf4a8dSllai return; 3215facf4a8dSllai } 3216facf4a8dSllai } else { 3217facf4a8dSllai /* some other file is here, so return */ 32187c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sdir not empty: %s\n", fcn, path); 32197c478bd9Sstevel@tonic-gate return; 32207c478bd9Sstevel@tonic-gate } 32217c478bd9Sstevel@tonic-gate } 32227c478bd9Sstevel@tonic-gate } 32237c478bd9Sstevel@tonic-gate 32247c478bd9Sstevel@tonic-gate /* 32257c478bd9Sstevel@tonic-gate * This function and all the functions it calls below were added to 32267c478bd9Sstevel@tonic-gate * handle the unique problem with world wide names (WWN). The problem is 32277c478bd9Sstevel@tonic-gate * that if a WWN device is moved to another address on the same controller 32287c478bd9Sstevel@tonic-gate * its logical link will change, while the physical node remains the same. 32297c478bd9Sstevel@tonic-gate * The result is that two logical links will point to the same physical path 32307c478bd9Sstevel@tonic-gate * in /devices, the valid link and a stale link. This function will 32317c478bd9Sstevel@tonic-gate * find all the stale nodes, though at a significant performance cost. 32327c478bd9Sstevel@tonic-gate * 32337c478bd9Sstevel@tonic-gate * Caching is used to increase performance. 32347c478bd9Sstevel@tonic-gate * A cache will be built from disk if the cache tag doesn't already exist. 32357c478bd9Sstevel@tonic-gate * The cache tag is a regular expression "dir_re", which selects a 32367c478bd9Sstevel@tonic-gate * subset of disks to search from typically something like 32377c478bd9Sstevel@tonic-gate * "dev/cXt[0-9]+d[0-9]+s[0-9]+". After the cache is built, consistency must 32387c478bd9Sstevel@tonic-gate * be maintained, so entries are added as new links are created, and removed 32397c478bd9Sstevel@tonic-gate * as old links are deleted. The whole cache is flushed if we are a daemon, 32407c478bd9Sstevel@tonic-gate * and another devfsadm process ran in between. 32417c478bd9Sstevel@tonic-gate * 32427c478bd9Sstevel@tonic-gate * Once the cache is built, this function finds the cache which matches 32437c478bd9Sstevel@tonic-gate * dir_re, and then it searches all links in that cache looking for 32447c478bd9Sstevel@tonic-gate * any link whose contents match "valid_link_contents" with a corresponding link 32457c478bd9Sstevel@tonic-gate * which does not match "valid_link". Any such matches are stale and removed. 32467c478bd9Sstevel@tonic-gate */ 32477c478bd9Sstevel@tonic-gate void 32487c478bd9Sstevel@tonic-gate devfsadm_rm_stale_links(char *dir_re, char *valid_link, di_node_t node, 32497c478bd9Sstevel@tonic-gate di_minor_t minor) 32507c478bd9Sstevel@tonic-gate { 32517c478bd9Sstevel@tonic-gate link_t *link; 32527c478bd9Sstevel@tonic-gate linkhead_t *head; 32537c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 32547c478bd9Sstevel@tonic-gate char *valid_link_contents; 32557c478bd9Sstevel@tonic-gate char *dev_path; 32567c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 32577c478bd9Sstevel@tonic-gate 32587c478bd9Sstevel@tonic-gate /* 32597c478bd9Sstevel@tonic-gate * try to use devices path 32607c478bd9Sstevel@tonic-gate */ 32617c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 32627c478bd9Sstevel@tonic-gate valid_link_contents = lphy_path; 32637c478bd9Sstevel@tonic-gate } else { 32647c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 32657c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 32667c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3267537714daSvikram /*NOTREACHED*/ 32687c478bd9Sstevel@tonic-gate } 32697c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, dev_path); 32707c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 32717c478bd9Sstevel@tonic-gate 32727c478bd9Sstevel@tonic-gate (void) strcat(phy_path, ":"); 32737c478bd9Sstevel@tonic-gate (void) strcat(phy_path, di_minor_name(minor)); 32747c478bd9Sstevel@tonic-gate valid_link_contents = phy_path; 32757c478bd9Sstevel@tonic-gate } 32767c478bd9Sstevel@tonic-gate 32777c478bd9Sstevel@tonic-gate /* 32787c478bd9Sstevel@tonic-gate * As an optimization, check to make sure the corresponding 32797c478bd9Sstevel@tonic-gate * devlink was just created before continuing. 32807c478bd9Sstevel@tonic-gate */ 32817c478bd9Sstevel@tonic-gate 32827c478bd9Sstevel@tonic-gate if (linknew == FALSE) { 32837c478bd9Sstevel@tonic-gate return; 32847c478bd9Sstevel@tonic-gate } 32857c478bd9Sstevel@tonic-gate 32867c478bd9Sstevel@tonic-gate head = get_cached_links(dir_re); 32877c478bd9Sstevel@tonic-gate 32887c478bd9Sstevel@tonic-gate assert(head->nextlink == NULL); 32897c478bd9Sstevel@tonic-gate 32907c478bd9Sstevel@tonic-gate for (link = head->link; link != NULL; link = head->nextlink) { 32917c478bd9Sstevel@tonic-gate /* 32927c478bd9Sstevel@tonic-gate * See hot_cleanup() for why we do this 32937c478bd9Sstevel@tonic-gate */ 32947c478bd9Sstevel@tonic-gate head->nextlink = link->next; 32957c478bd9Sstevel@tonic-gate if ((strcmp(link->contents, valid_link_contents) == 0) && 32967c478bd9Sstevel@tonic-gate (strcmp(link->devlink, valid_link) != 0)) { 32977c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "removing %s -> %s\n" 32980a653502Swroche "valid link is: %s -> %s\n", 32990a653502Swroche link->devlink, link->contents, 33000a653502Swroche valid_link, valid_link_contents); 33017c478bd9Sstevel@tonic-gate /* 33027c478bd9Sstevel@tonic-gate * Use a copy of the cached link name as the 33037c478bd9Sstevel@tonic-gate * cache entry will go away during link removal 33047c478bd9Sstevel@tonic-gate */ 33057c478bd9Sstevel@tonic-gate (void) snprintf(rmlink, sizeof (rmlink), "%s", 33067c478bd9Sstevel@tonic-gate link->devlink); 33077c478bd9Sstevel@tonic-gate devfsadm_rm_link(rmlink); 33087c478bd9Sstevel@tonic-gate } 33097c478bd9Sstevel@tonic-gate } 33107c478bd9Sstevel@tonic-gate } 33117c478bd9Sstevel@tonic-gate 33127c478bd9Sstevel@tonic-gate /* 33137c478bd9Sstevel@tonic-gate * Return previously created cache, or create cache. 33147c478bd9Sstevel@tonic-gate */ 33157c478bd9Sstevel@tonic-gate static linkhead_t * 33167c478bd9Sstevel@tonic-gate get_cached_links(char *dir_re) 33177c478bd9Sstevel@tonic-gate { 33187c478bd9Sstevel@tonic-gate recurse_dev_t rd; 33197c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 33207c478bd9Sstevel@tonic-gate int n; 33217c478bd9Sstevel@tonic-gate 33227c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: %s\n", dir_re); 33237c478bd9Sstevel@tonic-gate 33247c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 33250a653502Swroche linkhead = linkhead->nexthead) { 33267c478bd9Sstevel@tonic-gate if (strcmp(linkhead->dir_re, dir_re) == 0) { 33277c478bd9Sstevel@tonic-gate return (linkhead); 33287c478bd9Sstevel@tonic-gate } 33297c478bd9Sstevel@tonic-gate } 33307c478bd9Sstevel@tonic-gate 33317c478bd9Sstevel@tonic-gate /* 33327c478bd9Sstevel@tonic-gate * This tag is not in cache, so add it, along with all its 33337c478bd9Sstevel@tonic-gate * matching /dev entries. This is the only time we go to disk. 33347c478bd9Sstevel@tonic-gate */ 33357c478bd9Sstevel@tonic-gate linkhead = s_malloc(sizeof (linkhead_t)); 33367c478bd9Sstevel@tonic-gate linkhead->nexthead = headlinkhead; 33377c478bd9Sstevel@tonic-gate headlinkhead = linkhead; 33387c478bd9Sstevel@tonic-gate linkhead->dir_re = s_strdup(dir_re); 33397c478bd9Sstevel@tonic-gate 33407c478bd9Sstevel@tonic-gate if ((n = regcomp(&(linkhead->dir_re_compiled), dir_re, 33410a653502Swroche REG_EXTENDED)) != 0) { 33427c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, dir_re, n); 33437c478bd9Sstevel@tonic-gate } 33447c478bd9Sstevel@tonic-gate 33457c478bd9Sstevel@tonic-gate linkhead->nextlink = NULL; 33467c478bd9Sstevel@tonic-gate linkhead->link = NULL; 33477c478bd9Sstevel@tonic-gate 33487c478bd9Sstevel@tonic-gate rd.fcn = build_devlink_list; 33497c478bd9Sstevel@tonic-gate rd.data = (void *)linkhead; 33507c478bd9Sstevel@tonic-gate 33517c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: calling recurse_dev_re\n"); 33527c478bd9Sstevel@tonic-gate 33537c478bd9Sstevel@tonic-gate /* call build_devlink_list for each directory in the dir_re RE */ 33547c478bd9Sstevel@tonic-gate if (dir_re[0] == '/') { 33557c478bd9Sstevel@tonic-gate recurse_dev_re("/", &dir_re[1], &rd); 33567c478bd9Sstevel@tonic-gate } else { 33577c478bd9Sstevel@tonic-gate recurse_dev_re(dev_dir, dir_re, &rd); 33587c478bd9Sstevel@tonic-gate } 33597c478bd9Sstevel@tonic-gate 33607c478bd9Sstevel@tonic-gate return (linkhead); 33617c478bd9Sstevel@tonic-gate } 33627c478bd9Sstevel@tonic-gate 33637c478bd9Sstevel@tonic-gate static void 33647c478bd9Sstevel@tonic-gate build_devlink_list(char *devlink, void *data) 33657c478bd9Sstevel@tonic-gate { 33667c478bd9Sstevel@tonic-gate char *fcn = "build_devlink_list: "; 33677c478bd9Sstevel@tonic-gate char *ptr; 33687c478bd9Sstevel@tonic-gate char *r_contents; 33697c478bd9Sstevel@tonic-gate char *r_devlink; 33707c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 33717c478bd9Sstevel@tonic-gate char newlink[PATH_MAX + 1]; 33727c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 33737c478bd9Sstevel@tonic-gate int linksize; 33747c478bd9Sstevel@tonic-gate linkhead_t *linkhead = (linkhead_t *)data; 33757c478bd9Sstevel@tonic-gate link_t *link; 33767c478bd9Sstevel@tonic-gate int i = 0; 33777c478bd9Sstevel@tonic-gate 33787c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scheck_link: %s\n", fcn, devlink); 33797c478bd9Sstevel@tonic-gate 33807c478bd9Sstevel@tonic-gate (void) strcpy(newlink, devlink); 33817c478bd9Sstevel@tonic-gate 33827c478bd9Sstevel@tonic-gate do { 33837c478bd9Sstevel@tonic-gate linksize = readlink(newlink, contents, PATH_MAX); 33847c478bd9Sstevel@tonic-gate if (linksize <= 0) { 33857c478bd9Sstevel@tonic-gate /* 33867c478bd9Sstevel@tonic-gate * The first pass through the do loop we may readlink() 33877c478bd9Sstevel@tonic-gate * non-symlink files(EINVAL) from false regexec matches. 33887c478bd9Sstevel@tonic-gate * Suppress error messages in those cases or if the link 33897c478bd9Sstevel@tonic-gate * content is the empty string. 33907c478bd9Sstevel@tonic-gate */ 33917c478bd9Sstevel@tonic-gate if (linksize < 0 && (i || errno != EINVAL)) 33927c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, "build_devlink_list", 33937c478bd9Sstevel@tonic-gate newlink, strerror(errno)); 33947c478bd9Sstevel@tonic-gate return; 33957c478bd9Sstevel@tonic-gate } 33967c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 33977c478bd9Sstevel@tonic-gate i = 1; 33987c478bd9Sstevel@tonic-gate 33997c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &r_contents) == DEVFSADM_FALSE) { 34007c478bd9Sstevel@tonic-gate /* 34017c478bd9Sstevel@tonic-gate * assume that link contents is really a pointer to 34027c478bd9Sstevel@tonic-gate * another link, so recurse and read its link contents. 34037c478bd9Sstevel@tonic-gate * 34047c478bd9Sstevel@tonic-gate * some link contents are absolute: 34057c478bd9Sstevel@tonic-gate * /dev/audio -> /dev/sound/0 34067c478bd9Sstevel@tonic-gate */ 34077c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", 34080a653502Swroche strlen(DEV) + strlen("/")) != 0) { 34097c478bd9Sstevel@tonic-gate 34107c478bd9Sstevel@tonic-gate if ((ptr = strrchr(newlink, '/')) == NULL) { 34117c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid " 34120a653502Swroche "link. missing '/'\n", fcn, 34130a653502Swroche newlink, contents); 34140a653502Swroche return; 34157c478bd9Sstevel@tonic-gate } 34167c478bd9Sstevel@tonic-gate *ptr = '\0'; 34177c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, newlink); 34187c478bd9Sstevel@tonic-gate *ptr = '/'; 34197c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 34207c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 34217c478bd9Sstevel@tonic-gate (void) strcpy(newlink, stage_link); 34227c478bd9Sstevel@tonic-gate } else { 34237c478bd9Sstevel@tonic-gate (void) strcpy(newlink, dev_dir); 34247c478bd9Sstevel@tonic-gate (void) strcat(newlink, "/"); 34257c478bd9Sstevel@tonic-gate (void) strcat(newlink, 34260a653502Swroche &contents[strlen(DEV) + strlen("/")]); 34277c478bd9Sstevel@tonic-gate } 34287c478bd9Sstevel@tonic-gate 34297c478bd9Sstevel@tonic-gate } else { 34307c478bd9Sstevel@tonic-gate newlink[0] = '\0'; 34317c478bd9Sstevel@tonic-gate } 34327c478bd9Sstevel@tonic-gate } while (newlink[0] != '\0'); 34337c478bd9Sstevel@tonic-gate 34347c478bd9Sstevel@tonic-gate if (strncmp(devlink, dev_dir, strlen(dev_dir)) != 0) { 34357c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%sinvalid link: %s\n", fcn, devlink); 34367c478bd9Sstevel@tonic-gate return; 34377c478bd9Sstevel@tonic-gate } 34387c478bd9Sstevel@tonic-gate 34397c478bd9Sstevel@tonic-gate r_devlink = devlink + strlen(dev_dir); 34407c478bd9Sstevel@tonic-gate 34417c478bd9Sstevel@tonic-gate if (r_devlink[0] != '/') 34427c478bd9Sstevel@tonic-gate return; 34437c478bd9Sstevel@tonic-gate 34447c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 34457c478bd9Sstevel@tonic-gate 34467c478bd9Sstevel@tonic-gate /* don't store the '/' after rootdir/dev */ 34477c478bd9Sstevel@tonic-gate r_devlink += 1; 34487c478bd9Sstevel@tonic-gate 34497c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scaching link: %s\n", fcn, r_devlink); 34507c478bd9Sstevel@tonic-gate link->devlink = s_strdup(r_devlink); 34517c478bd9Sstevel@tonic-gate 34527c478bd9Sstevel@tonic-gate link->contents = s_strdup(r_contents); 34537c478bd9Sstevel@tonic-gate 34547c478bd9Sstevel@tonic-gate link->next = linkhead->link; 34557c478bd9Sstevel@tonic-gate linkhead->link = link; 34567c478bd9Sstevel@tonic-gate } 34577c478bd9Sstevel@tonic-gate 34587c478bd9Sstevel@tonic-gate /* 34597c478bd9Sstevel@tonic-gate * to be consistent, devlink must not begin with / and must be 34607c478bd9Sstevel@tonic-gate * relative to /dev/, whereas physpath must contain / and be 34617c478bd9Sstevel@tonic-gate * relative to /devices. 34627c478bd9Sstevel@tonic-gate */ 34637c478bd9Sstevel@tonic-gate static void 34647c478bd9Sstevel@tonic-gate add_link_to_cache(char *devlink, char *physpath) 34657c478bd9Sstevel@tonic-gate { 34667c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 34677c478bd9Sstevel@tonic-gate link_t *link; 34687c478bd9Sstevel@tonic-gate int added = 0; 34697c478bd9Sstevel@tonic-gate 34707c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 34717c478bd9Sstevel@tonic-gate return; 34727c478bd9Sstevel@tonic-gate } 34737c478bd9Sstevel@tonic-gate 34747c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "add_link_to_cache: %s -> %s ", 34750a653502Swroche devlink, physpath); 34767c478bd9Sstevel@tonic-gate 34777c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 34780a653502Swroche linkhead = linkhead->nexthead) { 34790a653502Swroche if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 0) 34800a653502Swroche == 0) { 34817c478bd9Sstevel@tonic-gate added++; 34827c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 34837c478bd9Sstevel@tonic-gate link->devlink = s_strdup(devlink); 34847c478bd9Sstevel@tonic-gate link->contents = s_strdup(physpath); 34857c478bd9Sstevel@tonic-gate link->next = linkhead->link; 34867c478bd9Sstevel@tonic-gate linkhead->link = link; 34877c478bd9Sstevel@tonic-gate } 34887c478bd9Sstevel@tonic-gate } 34897c478bd9Sstevel@tonic-gate 34907c478bd9Sstevel@tonic-gate vprint(CACHE_MID, 34910a653502Swroche " %d %s\n", added, added == 0 ? "NOT ADDED" : "ADDED"); 34927c478bd9Sstevel@tonic-gate } 34937c478bd9Sstevel@tonic-gate 34947c478bd9Sstevel@tonic-gate /* 34957c478bd9Sstevel@tonic-gate * Remove devlink from cache. Devlink must be relative to /dev/ and not start 34967c478bd9Sstevel@tonic-gate * with /. 34977c478bd9Sstevel@tonic-gate */ 34987c478bd9Sstevel@tonic-gate static void 34997c478bd9Sstevel@tonic-gate rm_link_from_cache(char *devlink) 35007c478bd9Sstevel@tonic-gate { 35017c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 35027c478bd9Sstevel@tonic-gate link_t **linkp; 35037c478bd9Sstevel@tonic-gate link_t *save; 35047c478bd9Sstevel@tonic-gate 35057c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_link_from_cache enter: %s\n", devlink); 35067c478bd9Sstevel@tonic-gate 35077c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 35087c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 35090a653502Swroche if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 0) 35100a653502Swroche == 0) { 35117c478bd9Sstevel@tonic-gate 35127c478bd9Sstevel@tonic-gate for (linkp = &(linkhead->link); *linkp != NULL; ) { 35137c478bd9Sstevel@tonic-gate if ((strcmp((*linkp)->devlink, devlink) == 0)) { 35147c478bd9Sstevel@tonic-gate save = *linkp; 35157c478bd9Sstevel@tonic-gate *linkp = (*linkp)->next; 35167c478bd9Sstevel@tonic-gate /* 35177c478bd9Sstevel@tonic-gate * We are removing our caller's 35187c478bd9Sstevel@tonic-gate * "next" link. Update the nextlink 35197c478bd9Sstevel@tonic-gate * field in the head so that our 35207c478bd9Sstevel@tonic-gate * callers accesses the next valid 35217c478bd9Sstevel@tonic-gate * link 35227c478bd9Sstevel@tonic-gate */ 35237c478bd9Sstevel@tonic-gate if (linkhead->nextlink == save) 35247c478bd9Sstevel@tonic-gate linkhead->nextlink = *linkp; 35257c478bd9Sstevel@tonic-gate free(save->devlink); 35267c478bd9Sstevel@tonic-gate free(save->contents); 35277c478bd9Sstevel@tonic-gate free(save); 35287c478bd9Sstevel@tonic-gate vprint(CACHE_MID, " %s FREED FROM " 35290a653502Swroche "CACHE\n", devlink); 35307c478bd9Sstevel@tonic-gate } else { 35317c478bd9Sstevel@tonic-gate linkp = &((*linkp)->next); 35327c478bd9Sstevel@tonic-gate } 35337c478bd9Sstevel@tonic-gate } 35347c478bd9Sstevel@tonic-gate } 35357c478bd9Sstevel@tonic-gate } 35367c478bd9Sstevel@tonic-gate } 35377c478bd9Sstevel@tonic-gate 35387c478bd9Sstevel@tonic-gate static void 35397c478bd9Sstevel@tonic-gate rm_all_links_from_cache() 35407c478bd9Sstevel@tonic-gate { 35417c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 35427c478bd9Sstevel@tonic-gate linkhead_t *nextlinkhead; 35437c478bd9Sstevel@tonic-gate link_t *link; 35447c478bd9Sstevel@tonic-gate link_t *nextlink; 35457c478bd9Sstevel@tonic-gate 35467c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_all_links_from_cache\n"); 35477c478bd9Sstevel@tonic-gate 35487c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 35490a653502Swroche linkhead = nextlinkhead) { 35507c478bd9Sstevel@tonic-gate 35517c478bd9Sstevel@tonic-gate nextlinkhead = linkhead->nexthead; 35527c478bd9Sstevel@tonic-gate assert(linkhead->nextlink == NULL); 35537c478bd9Sstevel@tonic-gate for (link = linkhead->link; link != NULL; link = nextlink) { 35547c478bd9Sstevel@tonic-gate nextlink = link->next; 35557c478bd9Sstevel@tonic-gate free(link->devlink); 35567c478bd9Sstevel@tonic-gate free(link->contents); 35577c478bd9Sstevel@tonic-gate free(link); 35587c478bd9Sstevel@tonic-gate } 35597c478bd9Sstevel@tonic-gate regfree(&(linkhead->dir_re_compiled)); 35607c478bd9Sstevel@tonic-gate free(linkhead->dir_re); 35617c478bd9Sstevel@tonic-gate free(linkhead); 35627c478bd9Sstevel@tonic-gate } 35637c478bd9Sstevel@tonic-gate headlinkhead = NULL; 35647c478bd9Sstevel@tonic-gate } 35657c478bd9Sstevel@tonic-gate 35667c478bd9Sstevel@tonic-gate /* 35677c478bd9Sstevel@tonic-gate * Called when the kernel has modified the incore path_to_inst data. This 35687c478bd9Sstevel@tonic-gate * function will schedule a flush of the data to the filesystem. 35697c478bd9Sstevel@tonic-gate */ 35707c478bd9Sstevel@tonic-gate static void 35717c478bd9Sstevel@tonic-gate devfs_instance_mod(void) 35727c478bd9Sstevel@tonic-gate { 35737c478bd9Sstevel@tonic-gate char *fcn = "devfs_instance_mod: "; 35747c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "%senter\n", fcn); 35757c478bd9Sstevel@tonic-gate 35767c478bd9Sstevel@tonic-gate /* signal instance thread */ 35777c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 35787c478bd9Sstevel@tonic-gate inst_count++; 35797c478bd9Sstevel@tonic-gate (void) cond_signal(&cv); 35807c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 35817c478bd9Sstevel@tonic-gate } 35827c478bd9Sstevel@tonic-gate 35837c478bd9Sstevel@tonic-gate static void 35847c478bd9Sstevel@tonic-gate instance_flush_thread(void) 35857c478bd9Sstevel@tonic-gate { 35867c478bd9Sstevel@tonic-gate int i; 35877c478bd9Sstevel@tonic-gate int idle; 35887c478bd9Sstevel@tonic-gate 35897c478bd9Sstevel@tonic-gate for (;;) { 35907c478bd9Sstevel@tonic-gate 35917c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 35927c478bd9Sstevel@tonic-gate while (inst_count == 0) { 35937c478bd9Sstevel@tonic-gate (void) cond_wait(&cv, &count_lock); 35947c478bd9Sstevel@tonic-gate } 35957c478bd9Sstevel@tonic-gate inst_count = 0; 35967c478bd9Sstevel@tonic-gate 35977c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "signaled to flush path_to_inst." 35980a653502Swroche " Enter delay loop\n"); 35997c478bd9Sstevel@tonic-gate /* 36007c478bd9Sstevel@tonic-gate * Wait MAX_IDLE_DELAY seconds after getting the last flush 36017c478bd9Sstevel@tonic-gate * path_to_inst event before invoking a flush, but never wait 36027c478bd9Sstevel@tonic-gate * more than MAX_DELAY seconds after getting the first event. 36037c478bd9Sstevel@tonic-gate */ 36047c478bd9Sstevel@tonic-gate for (idle = 0, i = 0; i < MAX_DELAY; i++) { 36057c478bd9Sstevel@tonic-gate 36067c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 36077c478bd9Sstevel@tonic-gate (void) sleep(1); 36087c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 36097c478bd9Sstevel@tonic-gate 36107c478bd9Sstevel@tonic-gate /* shorten the delay if we are idle */ 36117c478bd9Sstevel@tonic-gate if (inst_count == 0) { 36127c478bd9Sstevel@tonic-gate idle++; 36137c478bd9Sstevel@tonic-gate if (idle > MAX_IDLE_DELAY) { 36147c478bd9Sstevel@tonic-gate break; 36157c478bd9Sstevel@tonic-gate } 36167c478bd9Sstevel@tonic-gate } else { 36177c478bd9Sstevel@tonic-gate inst_count = idle = 0; 36187c478bd9Sstevel@tonic-gate } 36197c478bd9Sstevel@tonic-gate } 36207c478bd9Sstevel@tonic-gate 36217c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 36227c478bd9Sstevel@tonic-gate 36237c478bd9Sstevel@tonic-gate flush_path_to_inst(); 36247c478bd9Sstevel@tonic-gate } 36257c478bd9Sstevel@tonic-gate } 36267c478bd9Sstevel@tonic-gate 36277c478bd9Sstevel@tonic-gate /* 36287c478bd9Sstevel@tonic-gate * Helper function for flush_path_to_inst() below; this routine calls the 36297c478bd9Sstevel@tonic-gate * inst_sync syscall to flush the path_to_inst database to the given file. 36307c478bd9Sstevel@tonic-gate */ 36317c478bd9Sstevel@tonic-gate static int 36320a653502Swroche do_inst_sync(char *filename, char *instfilename) 36337c478bd9Sstevel@tonic-gate { 36347c478bd9Sstevel@tonic-gate void (*sigsaved)(int); 36350a653502Swroche int err = 0, flags = INST_SYNC_IF_REQUIRED; 36360a653502Swroche struct stat sb; 36370a653502Swroche 36380a653502Swroche if (stat(instfilename, &sb) == -1 && errno == ENOENT) 36390a653502Swroche flags = INST_SYNC_ALWAYS; 36407c478bd9Sstevel@tonic-gate 36417c478bd9Sstevel@tonic-gate vprint(INSTSYNC_MID, "do_inst_sync: about to flush %s\n", filename); 36427c478bd9Sstevel@tonic-gate sigsaved = sigset(SIGSYS, SIG_IGN); 36430a653502Swroche if (inst_sync(filename, flags) == -1) 36447c478bd9Sstevel@tonic-gate err = errno; 36457c478bd9Sstevel@tonic-gate (void) sigset(SIGSYS, sigsaved); 36467c478bd9Sstevel@tonic-gate 36477c478bd9Sstevel@tonic-gate switch (err) { 36487c478bd9Sstevel@tonic-gate case 0: 36497c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 36507c478bd9Sstevel@tonic-gate case EALREADY: /* no-op, path_to_inst already up to date */ 36517c478bd9Sstevel@tonic-gate return (EALREADY); 36527c478bd9Sstevel@tonic-gate case ENOSYS: 36537c478bd9Sstevel@tonic-gate err_print(CANT_LOAD_SYSCALL); 36547c478bd9Sstevel@tonic-gate break; 36557c478bd9Sstevel@tonic-gate case EPERM: 36567c478bd9Sstevel@tonic-gate err_print(SUPER_TO_SYNC); 36577c478bd9Sstevel@tonic-gate break; 36587c478bd9Sstevel@tonic-gate default: 36597c478bd9Sstevel@tonic-gate err_print(INSTSYNC_FAILED, filename, strerror(err)); 36607c478bd9Sstevel@tonic-gate break; 36617c478bd9Sstevel@tonic-gate } 36627c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 36637c478bd9Sstevel@tonic-gate } 36647c478bd9Sstevel@tonic-gate 36657c478bd9Sstevel@tonic-gate /* 36667c478bd9Sstevel@tonic-gate * Flush the kernel's path_to_inst database to /etc/path_to_inst. To do so 36677c478bd9Sstevel@tonic-gate * safely, the database is flushed to a temporary file, then moved into place. 36687c478bd9Sstevel@tonic-gate * 36697c478bd9Sstevel@tonic-gate * The following files are used during this process: 36707c478bd9Sstevel@tonic-gate * /etc/path_to_inst: The path_to_inst file 36717c478bd9Sstevel@tonic-gate * /etc/path_to_inst.<pid>: Contains data flushed from the kernel 36727c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old: The backup file 36737c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old.<pid>: Temp file for creating backup 36747c478bd9Sstevel@tonic-gate * 36757c478bd9Sstevel@tonic-gate */ 36767c478bd9Sstevel@tonic-gate static void 36777c478bd9Sstevel@tonic-gate flush_path_to_inst(void) 36787c478bd9Sstevel@tonic-gate { 36797c478bd9Sstevel@tonic-gate char *new_inst_file = NULL; 36807c478bd9Sstevel@tonic-gate char *old_inst_file = NULL; 36817c478bd9Sstevel@tonic-gate char *old_inst_file_npid = NULL; 36827c478bd9Sstevel@tonic-gate FILE *inst_file_fp = NULL; 36837c478bd9Sstevel@tonic-gate FILE *old_inst_file_fp = NULL; 36847c478bd9Sstevel@tonic-gate struct stat sb; 36857c478bd9Sstevel@tonic-gate int err = 0; 36867c478bd9Sstevel@tonic-gate int c; 36877c478bd9Sstevel@tonic-gate int inst_strlen; 36887c478bd9Sstevel@tonic-gate 36897c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "flush_path_to_inst: %s\n", 36907c478bd9Sstevel@tonic-gate (flush_path_to_inst_enable == TRUE) ? "ENABLED" : "DISABLED"); 36917c478bd9Sstevel@tonic-gate 36927c478bd9Sstevel@tonic-gate if (flush_path_to_inst_enable == FALSE) { 36937c478bd9Sstevel@tonic-gate return; 36947c478bd9Sstevel@tonic-gate } 36957c478bd9Sstevel@tonic-gate 36967c478bd9Sstevel@tonic-gate inst_strlen = strlen(inst_file); 36977c478bd9Sstevel@tonic-gate new_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 2); 36987c478bd9Sstevel@tonic-gate old_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 6); 36997c478bd9Sstevel@tonic-gate old_inst_file_npid = s_malloc(inst_strlen + 37007c478bd9Sstevel@tonic-gate sizeof (INSTANCE_FILE_SUFFIX)); 37017c478bd9Sstevel@tonic-gate 37027c478bd9Sstevel@tonic-gate (void) snprintf(new_inst_file, inst_strlen + PID_STR_LEN + 2, 37030a653502Swroche "%s.%ld", inst_file, getpid()); 37047c478bd9Sstevel@tonic-gate 37057c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 37067c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 37077c478bd9Sstevel@tonic-gate } 37087c478bd9Sstevel@tonic-gate 37090a653502Swroche err = do_inst_sync(new_inst_file, inst_file); 37100a653502Swroche if (err != DEVFSADM_SUCCESS) { 37117c478bd9Sstevel@tonic-gate goto out; 37127c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 37137c478bd9Sstevel@tonic-gate } 37147c478bd9Sstevel@tonic-gate 37157c478bd9Sstevel@tonic-gate /* 37167c478bd9Sstevel@tonic-gate * Now we deal with the somewhat tricky updating and renaming 37177c478bd9Sstevel@tonic-gate * of this critical piece of kernel state. 37187c478bd9Sstevel@tonic-gate */ 37197c478bd9Sstevel@tonic-gate 37207c478bd9Sstevel@tonic-gate /* 37217c478bd9Sstevel@tonic-gate * Copy the current instance file into a temporary file. 37227c478bd9Sstevel@tonic-gate * Then rename the temporary file into the backup (.old) 37237c478bd9Sstevel@tonic-gate * file and rename the newly flushed kernel data into 37247c478bd9Sstevel@tonic-gate * the instance file. 37257c478bd9Sstevel@tonic-gate * Of course if 'inst_file' doesn't exist, there's much 37267c478bd9Sstevel@tonic-gate * less for us to do .. tee hee. 37277c478bd9Sstevel@tonic-gate */ 37287c478bd9Sstevel@tonic-gate if ((inst_file_fp = fopen(inst_file, "r")) == NULL) { 37297c478bd9Sstevel@tonic-gate /* 37307c478bd9Sstevel@tonic-gate * No such file. Rename the new onto the old 37317c478bd9Sstevel@tonic-gate */ 37327c478bd9Sstevel@tonic-gate if ((err = rename(new_inst_file, inst_file)) != 0) 37337c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 37347c478bd9Sstevel@tonic-gate goto out; 37357c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 37367c478bd9Sstevel@tonic-gate } 37377c478bd9Sstevel@tonic-gate 37387c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file, inst_strlen + PID_STR_LEN + 6, 37390a653502Swroche "%s.old.%ld", inst_file, getpid()); 37407c478bd9Sstevel@tonic-gate 37417c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 37427c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 37437c478bd9Sstevel@tonic-gate } 37447c478bd9Sstevel@tonic-gate 37457c478bd9Sstevel@tonic-gate if ((old_inst_file_fp = fopen(old_inst_file, "w")) == NULL) { 37467c478bd9Sstevel@tonic-gate /* 37477c478bd9Sstevel@tonic-gate * Can't open the 'old_inst_file' file for writing. 37487c478bd9Sstevel@tonic-gate * This is somewhat strange given that the syscall 37497c478bd9Sstevel@tonic-gate * just succeeded to write a file out.. hmm.. maybe 37507c478bd9Sstevel@tonic-gate * the fs just filled up or something nasty. 37517c478bd9Sstevel@tonic-gate * 37527c478bd9Sstevel@tonic-gate * Anyway, abort what we've done so far. 37537c478bd9Sstevel@tonic-gate */ 37547c478bd9Sstevel@tonic-gate err_print(CANT_UPDATE, old_inst_file); 37557c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 37567c478bd9Sstevel@tonic-gate goto out; 37577c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 37587c478bd9Sstevel@tonic-gate } 37597c478bd9Sstevel@tonic-gate 37607c478bd9Sstevel@tonic-gate /* 37617c478bd9Sstevel@tonic-gate * Copy current instance file into the temporary file 37627c478bd9Sstevel@tonic-gate */ 37637c478bd9Sstevel@tonic-gate err = 0; 37647c478bd9Sstevel@tonic-gate while ((c = getc(inst_file_fp)) != EOF) { 37657c478bd9Sstevel@tonic-gate if ((err = putc(c, old_inst_file_fp)) == EOF) { 37667c478bd9Sstevel@tonic-gate break; 37677c478bd9Sstevel@tonic-gate } 37687c478bd9Sstevel@tonic-gate } 37697c478bd9Sstevel@tonic-gate 37707c478bd9Sstevel@tonic-gate if (fclose(old_inst_file_fp) == EOF || err == EOF) { 37717c478bd9Sstevel@tonic-gate vprint(INFO_MID, CANT_UPDATE, old_inst_file); 37727c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 37737c478bd9Sstevel@tonic-gate goto out; 37747c478bd9Sstevel@tonic-gate /* NOTREACHED */ 37757c478bd9Sstevel@tonic-gate } 37767c478bd9Sstevel@tonic-gate 37777c478bd9Sstevel@tonic-gate /* 37787c478bd9Sstevel@tonic-gate * Set permissions to be the same on the backup as 37797c478bd9Sstevel@tonic-gate * /etc/path_to_inst. 37807c478bd9Sstevel@tonic-gate */ 37817c478bd9Sstevel@tonic-gate (void) chmod(old_inst_file, 0444); 37827c478bd9Sstevel@tonic-gate 37837c478bd9Sstevel@tonic-gate /* 37847c478bd9Sstevel@tonic-gate * So far, everything we've done is more or less reversible. 37857c478bd9Sstevel@tonic-gate * But now we're going to commit ourselves. 37867c478bd9Sstevel@tonic-gate */ 37877c478bd9Sstevel@tonic-gate 37887c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file_npid, 37897c478bd9Sstevel@tonic-gate inst_strlen + sizeof (INSTANCE_FILE_SUFFIX), 37907c478bd9Sstevel@tonic-gate "%s%s", inst_file, INSTANCE_FILE_SUFFIX); 37917c478bd9Sstevel@tonic-gate 37927c478bd9Sstevel@tonic-gate if ((err = rename(old_inst_file, old_inst_file_npid)) != 0) { 37937c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, old_inst_file_npid, 37940a653502Swroche strerror(errno)); 37957c478bd9Sstevel@tonic-gate } else if ((err = rename(new_inst_file, inst_file)) != 0) { 37967c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 37977c478bd9Sstevel@tonic-gate } 37987c478bd9Sstevel@tonic-gate 37997c478bd9Sstevel@tonic-gate out: 38007c478bd9Sstevel@tonic-gate if (inst_file_fp != NULL) { 38017c478bd9Sstevel@tonic-gate if (fclose(inst_file_fp) == EOF) { 38027c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, inst_file, strerror(errno)); 38037c478bd9Sstevel@tonic-gate } 38047c478bd9Sstevel@tonic-gate } 38057c478bd9Sstevel@tonic-gate 38067c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 38077c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 38087c478bd9Sstevel@tonic-gate } 38097c478bd9Sstevel@tonic-gate free(new_inst_file); 38107c478bd9Sstevel@tonic-gate 38117c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 38127c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 38137c478bd9Sstevel@tonic-gate } 38147c478bd9Sstevel@tonic-gate free(old_inst_file); 38157c478bd9Sstevel@tonic-gate 38167c478bd9Sstevel@tonic-gate free(old_inst_file_npid); 38177c478bd9Sstevel@tonic-gate 38187c478bd9Sstevel@tonic-gate if (err != 0 && err != EALREADY) { 38197c478bd9Sstevel@tonic-gate err_print(FAILED_TO_UPDATE, inst_file); 38207c478bd9Sstevel@tonic-gate } 38217c478bd9Sstevel@tonic-gate } 38227c478bd9Sstevel@tonic-gate 38237c478bd9Sstevel@tonic-gate /* 38247c478bd9Sstevel@tonic-gate * detach from tty. For daemon mode. 38257c478bd9Sstevel@tonic-gate */ 38267c478bd9Sstevel@tonic-gate void 38277c478bd9Sstevel@tonic-gate detachfromtty() 38287c478bd9Sstevel@tonic-gate { 38297c478bd9Sstevel@tonic-gate (void) setsid(); 38307c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON == TRUE) { 38317c478bd9Sstevel@tonic-gate return; 38327c478bd9Sstevel@tonic-gate } 38337c478bd9Sstevel@tonic-gate 38347c478bd9Sstevel@tonic-gate (void) close(0); 38357c478bd9Sstevel@tonic-gate (void) close(1); 38367c478bd9Sstevel@tonic-gate (void) close(2); 38377c478bd9Sstevel@tonic-gate (void) open("/dev/null", O_RDWR, 0); 38387c478bd9Sstevel@tonic-gate (void) dup(0); 38397c478bd9Sstevel@tonic-gate (void) dup(0); 38407c478bd9Sstevel@tonic-gate openlog(DEVFSADMD, LOG_PID, LOG_DAEMON); 38417c478bd9Sstevel@tonic-gate (void) setlogmask(LOG_UPTO(LOG_INFO)); 38427c478bd9Sstevel@tonic-gate logflag = TRUE; 38437c478bd9Sstevel@tonic-gate } 38447c478bd9Sstevel@tonic-gate 38457c478bd9Sstevel@tonic-gate /* 38467c478bd9Sstevel@tonic-gate * Use an advisory lock to synchronize updates to /dev. If the lock is 38477c478bd9Sstevel@tonic-gate * held by another process, block in the fcntl() system call until that 38487c478bd9Sstevel@tonic-gate * process drops the lock or exits. The lock file itself is 38497c478bd9Sstevel@tonic-gate * DEV_LOCK_FILE. The process id of the current and last process owning 38507c478bd9Sstevel@tonic-gate * the lock is kept in the lock file. After acquiring the lock, read the 38517c478bd9Sstevel@tonic-gate * process id and return it. It is the process ID which last owned the 38527c478bd9Sstevel@tonic-gate * lock, and will be used to determine if caches need to be flushed. 38537c478bd9Sstevel@tonic-gate * 38547c478bd9Sstevel@tonic-gate * NOTE: if the devlink database is held open by the caller, it may 38557c478bd9Sstevel@tonic-gate * be closed by this routine. This is to enforce the following lock ordering: 38567c478bd9Sstevel@tonic-gate * 1) /dev lock 2) database open 38577c478bd9Sstevel@tonic-gate */ 38587c478bd9Sstevel@tonic-gate pid_t 38597c478bd9Sstevel@tonic-gate enter_dev_lock() 38607c478bd9Sstevel@tonic-gate { 38617c478bd9Sstevel@tonic-gate struct flock lock; 38627c478bd9Sstevel@tonic-gate int n; 38637c478bd9Sstevel@tonic-gate pid_t pid; 38647c478bd9Sstevel@tonic-gate pid_t last_owner_pid; 38657c478bd9Sstevel@tonic-gate 38667c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 38677c478bd9Sstevel@tonic-gate return (0); 38687c478bd9Sstevel@tonic-gate } 38697c478bd9Sstevel@tonic-gate 38707c478bd9Sstevel@tonic-gate (void) snprintf(dev_lockfile, sizeof (dev_lockfile), 3871facf4a8dSllai "%s/%s", etc_dev_dir, DEV_LOCK_FILE); 38727c478bd9Sstevel@tonic-gate 38737c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_dev_lock: lock file %s\n", dev_lockfile); 38747c478bd9Sstevel@tonic-gate 38757c478bd9Sstevel@tonic-gate dev_lock_fd = open(dev_lockfile, O_CREAT|O_RDWR, 0644); 38767c478bd9Sstevel@tonic-gate if (dev_lock_fd < 0) { 38777c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, dev_lockfile, strerror(errno)); 38787c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3879537714daSvikram /*NOTREACHED*/ 38807c478bd9Sstevel@tonic-gate } 38817c478bd9Sstevel@tonic-gate 38827c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 38837c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 38847c478bd9Sstevel@tonic-gate lock.l_start = 0; 38857c478bd9Sstevel@tonic-gate lock.l_len = 0; 38867c478bd9Sstevel@tonic-gate 38877c478bd9Sstevel@tonic-gate /* try for the lock, but don't wait */ 38887c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &lock) == -1) { 38897c478bd9Sstevel@tonic-gate if ((errno == EACCES) || (errno == EAGAIN)) { 38907c478bd9Sstevel@tonic-gate pid = 0; 38917c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 38927c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "waiting for PID %d to complete\n", 38930a653502Swroche (int)pid); 38947c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 38957c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, 38960a653502Swroche strerror(errno)); 38977c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3898537714daSvikram /*NOTREACHED*/ 38997c478bd9Sstevel@tonic-gate } 39007c478bd9Sstevel@tonic-gate /* 39017c478bd9Sstevel@tonic-gate * wait for the dev lock. If we have the database open, 39027c478bd9Sstevel@tonic-gate * close it first - the order of lock acquisition should 39037c478bd9Sstevel@tonic-gate * always be: 1) dev_lock 2) database 39047c478bd9Sstevel@tonic-gate * This is to prevent deadlocks with any locks the 39057c478bd9Sstevel@tonic-gate * database code may hold. 39067c478bd9Sstevel@tonic-gate */ 39077c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 3908f05faa4eSjacobs 3909f05faa4eSjacobs /* send any sysevents that were queued up. */ 3910f05faa4eSjacobs process_syseventq(); 3911f05faa4eSjacobs 39127c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLKW, &lock) == -1) { 39137c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, dev_lockfile, 39140a653502Swroche strerror(errno)); 39157c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3916537714daSvikram /*NOTREACHED*/ 39177c478bd9Sstevel@tonic-gate } 39187c478bd9Sstevel@tonic-gate } 39197c478bd9Sstevel@tonic-gate } 39207c478bd9Sstevel@tonic-gate 39217c478bd9Sstevel@tonic-gate hold_dev_lock = TRUE; 39227c478bd9Sstevel@tonic-gate pid = 0; 39237c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 39247c478bd9Sstevel@tonic-gate if (n == sizeof (pid_t) && pid == getpid()) { 39257c478bd9Sstevel@tonic-gate return (pid); 39267c478bd9Sstevel@tonic-gate } 39277c478bd9Sstevel@tonic-gate 39287c478bd9Sstevel@tonic-gate last_owner_pid = pid; 39297c478bd9Sstevel@tonic-gate 39307c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 39317c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, strerror(errno)); 39327c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3933537714daSvikram /*NOTREACHED*/ 39347c478bd9Sstevel@tonic-gate } 39357c478bd9Sstevel@tonic-gate pid = getpid(); 39367c478bd9Sstevel@tonic-gate n = write(dev_lock_fd, &pid, sizeof (pid_t)); 39377c478bd9Sstevel@tonic-gate if (n != sizeof (pid_t)) { 39387c478bd9Sstevel@tonic-gate err_print(WRITE_FAILED, dev_lockfile, strerror(errno)); 39397c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3940537714daSvikram /*NOTREACHED*/ 39417c478bd9Sstevel@tonic-gate } 39427c478bd9Sstevel@tonic-gate 39437c478bd9Sstevel@tonic-gate return (last_owner_pid); 39447c478bd9Sstevel@tonic-gate } 39457c478bd9Sstevel@tonic-gate 39467c478bd9Sstevel@tonic-gate /* 39477c478bd9Sstevel@tonic-gate * Drop the advisory /dev lock, close lock file. Close and re-open the 39487c478bd9Sstevel@tonic-gate * file every time so to ensure a resync if for some reason the lock file 39497c478bd9Sstevel@tonic-gate * gets removed. 39507c478bd9Sstevel@tonic-gate */ 39517c478bd9Sstevel@tonic-gate void 3952537714daSvikram exit_dev_lock(int exiting) 39537c478bd9Sstevel@tonic-gate { 39547c478bd9Sstevel@tonic-gate struct flock unlock; 39557c478bd9Sstevel@tonic-gate 39567c478bd9Sstevel@tonic-gate if (hold_dev_lock == FALSE) { 39577c478bd9Sstevel@tonic-gate return; 39587c478bd9Sstevel@tonic-gate } 39597c478bd9Sstevel@tonic-gate 3960537714daSvikram vprint(LOCK_MID, "exit_dev_lock: lock file %s, exiting = %d\n", 3961537714daSvikram dev_lockfile, exiting); 39627c478bd9Sstevel@tonic-gate 39637c478bd9Sstevel@tonic-gate unlock.l_type = F_UNLCK; 39647c478bd9Sstevel@tonic-gate unlock.l_whence = SEEK_SET; 39657c478bd9Sstevel@tonic-gate unlock.l_start = 0; 39667c478bd9Sstevel@tonic-gate unlock.l_len = 0; 39677c478bd9Sstevel@tonic-gate 39687c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &unlock) == -1) { 39697c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, dev_lockfile, strerror(errno)); 39707c478bd9Sstevel@tonic-gate } 39717c478bd9Sstevel@tonic-gate 39727c478bd9Sstevel@tonic-gate hold_dev_lock = FALSE; 39737c478bd9Sstevel@tonic-gate 39747c478bd9Sstevel@tonic-gate if (close(dev_lock_fd) == -1) { 39757c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, dev_lockfile, strerror(errno)); 3976537714daSvikram if (!exiting) 3977537714daSvikram devfsadm_exit(1); 3978537714daSvikram /*NOTREACHED*/ 39797c478bd9Sstevel@tonic-gate } 39807c478bd9Sstevel@tonic-gate } 39817c478bd9Sstevel@tonic-gate 39827c478bd9Sstevel@tonic-gate /* 39837c478bd9Sstevel@tonic-gate * 39847c478bd9Sstevel@tonic-gate * Use an advisory lock to ensure that only one daemon process is active 39857c478bd9Sstevel@tonic-gate * in the system at any point in time. If the lock is held by another 39867c478bd9Sstevel@tonic-gate * process, do not block but return the pid owner of the lock to the 39877c478bd9Sstevel@tonic-gate * caller immediately. The lock is cleared if the holding daemon process 39887c478bd9Sstevel@tonic-gate * exits for any reason even if the lock file remains, so the daemon can 39897c478bd9Sstevel@tonic-gate * be restarted if necessary. The lock file is DAEMON_LOCK_FILE. 39907c478bd9Sstevel@tonic-gate */ 39917c478bd9Sstevel@tonic-gate pid_t 39927c478bd9Sstevel@tonic-gate enter_daemon_lock(void) 39937c478bd9Sstevel@tonic-gate { 39947c478bd9Sstevel@tonic-gate struct flock lock; 39957c478bd9Sstevel@tonic-gate 39967c478bd9Sstevel@tonic-gate (void) snprintf(daemon_lockfile, sizeof (daemon_lockfile), 3997facf4a8dSllai "%s/%s", etc_dev_dir, DAEMON_LOCK_FILE); 39987c478bd9Sstevel@tonic-gate 39997c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_daemon_lock: lock file %s\n", daemon_lockfile); 40007c478bd9Sstevel@tonic-gate 40017c478bd9Sstevel@tonic-gate daemon_lock_fd = open(daemon_lockfile, O_CREAT|O_RDWR, 0644); 40027c478bd9Sstevel@tonic-gate if (daemon_lock_fd < 0) { 40037c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, daemon_lockfile, strerror(errno)); 40047c478bd9Sstevel@tonic-gate devfsadm_exit(1); 4005537714daSvikram /*NOTREACHED*/ 40067c478bd9Sstevel@tonic-gate } 40077c478bd9Sstevel@tonic-gate 40087c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 40097c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 40107c478bd9Sstevel@tonic-gate lock.l_start = 0; 40117c478bd9Sstevel@tonic-gate lock.l_len = 0; 40127c478bd9Sstevel@tonic-gate 40137c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 40147c478bd9Sstevel@tonic-gate 40157c478bd9Sstevel@tonic-gate if (errno == EAGAIN || errno == EDEADLK) { 40167c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_GETLK, &lock) == -1) { 40177c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, daemon_lockfile, 40180a653502Swroche strerror(errno)); 40197c478bd9Sstevel@tonic-gate devfsadm_exit(1); 4020537714daSvikram /*NOTREACHED*/ 40217c478bd9Sstevel@tonic-gate } 40227c478bd9Sstevel@tonic-gate return (lock.l_pid); 40237c478bd9Sstevel@tonic-gate } 40247c478bd9Sstevel@tonic-gate } 40257c478bd9Sstevel@tonic-gate hold_daemon_lock = TRUE; 40267c478bd9Sstevel@tonic-gate return (getpid()); 40277c478bd9Sstevel@tonic-gate } 40287c478bd9Sstevel@tonic-gate 40297c478bd9Sstevel@tonic-gate /* 40307c478bd9Sstevel@tonic-gate * Drop the advisory daemon lock, close lock file 40317c478bd9Sstevel@tonic-gate */ 40327c478bd9Sstevel@tonic-gate void 4033537714daSvikram exit_daemon_lock(int exiting) 40347c478bd9Sstevel@tonic-gate { 40357c478bd9Sstevel@tonic-gate struct flock lock; 40367c478bd9Sstevel@tonic-gate 40377c478bd9Sstevel@tonic-gate if (hold_daemon_lock == FALSE) { 40387c478bd9Sstevel@tonic-gate return; 40397c478bd9Sstevel@tonic-gate } 40407c478bd9Sstevel@tonic-gate 4041537714daSvikram vprint(LOCK_MID, "exit_daemon_lock: lock file %s, exiting = %d\n", 4042537714daSvikram daemon_lockfile, exiting); 40437c478bd9Sstevel@tonic-gate 40447c478bd9Sstevel@tonic-gate lock.l_type = F_UNLCK; 40457c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 40467c478bd9Sstevel@tonic-gate lock.l_start = 0; 40477c478bd9Sstevel@tonic-gate lock.l_len = 0; 40487c478bd9Sstevel@tonic-gate 40497c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 40507c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, daemon_lockfile, strerror(errno)); 40517c478bd9Sstevel@tonic-gate } 40527c478bd9Sstevel@tonic-gate 40537c478bd9Sstevel@tonic-gate if (close(daemon_lock_fd) == -1) { 40547c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, daemon_lockfile, strerror(errno)); 4055537714daSvikram if (!exiting) 4056537714daSvikram devfsadm_exit(1); 4057537714daSvikram /*NOTREACHED*/ 40587c478bd9Sstevel@tonic-gate } 40597c478bd9Sstevel@tonic-gate } 40607c478bd9Sstevel@tonic-gate 40617c478bd9Sstevel@tonic-gate /* 40627c478bd9Sstevel@tonic-gate * Called to removed danging nodes in two different modes: RM_PRE, RM_POST. 40637c478bd9Sstevel@tonic-gate * RM_PRE mode is called before processing the entire devinfo tree, and RM_POST 40647c478bd9Sstevel@tonic-gate * is called after processing the entire devinfo tree. 40657c478bd9Sstevel@tonic-gate */ 40667c478bd9Sstevel@tonic-gate static void 40677c478bd9Sstevel@tonic-gate pre_and_post_cleanup(int flags) 40687c478bd9Sstevel@tonic-gate { 40697c478bd9Sstevel@tonic-gate remove_list_t *rm; 40707c478bd9Sstevel@tonic-gate recurse_dev_t rd; 40717c478bd9Sstevel@tonic-gate cleanup_data_t cleanup_data; 40727c478bd9Sstevel@tonic-gate char *fcn = "pre_and_post_cleanup: "; 40737c478bd9Sstevel@tonic-gate 40747c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 40757c478bd9Sstevel@tonic-gate return; 40767c478bd9Sstevel@tonic-gate 40777c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "attempting %s-cleanup\n", 40787c478bd9Sstevel@tonic-gate flags == RM_PRE ? "pre" : "post"); 40797c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sflags = %d\n", fcn, flags); 40807c478bd9Sstevel@tonic-gate 40817c478bd9Sstevel@tonic-gate /* 40827c478bd9Sstevel@tonic-gate * the generic function recurse_dev_re is shared among different 40837c478bd9Sstevel@tonic-gate * functions, so set the method and data that it should use for 40847c478bd9Sstevel@tonic-gate * matches. 40857c478bd9Sstevel@tonic-gate */ 40867c478bd9Sstevel@tonic-gate rd.fcn = matching_dev; 40877c478bd9Sstevel@tonic-gate rd.data = (void *)&cleanup_data; 40887c478bd9Sstevel@tonic-gate cleanup_data.flags = flags; 40897c478bd9Sstevel@tonic-gate 4090aa646b9dSvikram (void) mutex_lock(&nfp_mutex); 4091aa646b9dSvikram nfphash_create(); 4092aa646b9dSvikram 40937c478bd9Sstevel@tonic-gate for (rm = remove_head; rm != NULL; rm = rm->next) { 40947c478bd9Sstevel@tonic-gate if ((flags & rm->remove->flags) == flags) { 40957c478bd9Sstevel@tonic-gate cleanup_data.rm = rm; 40967c478bd9Sstevel@tonic-gate /* 40977c478bd9Sstevel@tonic-gate * If reached this point, RM_PRE or RM_POST cleanup is 40987c478bd9Sstevel@tonic-gate * desired. clean_ok() decides whether to clean 40997c478bd9Sstevel@tonic-gate * under the given circumstances. 41007c478bd9Sstevel@tonic-gate */ 41017c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%scleanup: PRE or POST\n", fcn); 41027c478bd9Sstevel@tonic-gate if (clean_ok(rm->remove) == DEVFSADM_SUCCESS) { 41037c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "cleanup: cleanup OK\n"); 41040a653502Swroche recurse_dev_re(dev_dir, 41050a653502Swroche rm->remove->dev_dirs_re, &rd); 41067c478bd9Sstevel@tonic-gate } 41077c478bd9Sstevel@tonic-gate } 41087c478bd9Sstevel@tonic-gate } 4109aa646b9dSvikram nfphash_destroy(); 4110aa646b9dSvikram (void) mutex_unlock(&nfp_mutex); 41117c478bd9Sstevel@tonic-gate } 41127c478bd9Sstevel@tonic-gate 41137c478bd9Sstevel@tonic-gate /* 41147c478bd9Sstevel@tonic-gate * clean_ok() determines whether cleanup should be done according 41157c478bd9Sstevel@tonic-gate * to the following matrix: 41167c478bd9Sstevel@tonic-gate * 41177c478bd9Sstevel@tonic-gate * command line arguments RM_PRE RM_POST RM_PRE && RM_POST && 41187c478bd9Sstevel@tonic-gate * RM_ALWAYS RM_ALWAYS 41197c478bd9Sstevel@tonic-gate * ---------------------- ------ ----- --------- ---------- 41207c478bd9Sstevel@tonic-gate * 41217c478bd9Sstevel@tonic-gate * <neither -c nor -C> - - pre-clean post-clean 41227c478bd9Sstevel@tonic-gate * 41237c478bd9Sstevel@tonic-gate * -C pre-clean post-clean pre-clean post-clean 41247c478bd9Sstevel@tonic-gate * 41257c478bd9Sstevel@tonic-gate * -C -c class pre-clean post-clean pre-clean post-clean 41267c478bd9Sstevel@tonic-gate * if class if class if class if class 41277c478bd9Sstevel@tonic-gate * matches matches matches matches 41287c478bd9Sstevel@tonic-gate * 41297c478bd9Sstevel@tonic-gate * -c class - - pre-clean post-clean 41307c478bd9Sstevel@tonic-gate * if class if class 41317c478bd9Sstevel@tonic-gate * matches matches 41327c478bd9Sstevel@tonic-gate * 41337c478bd9Sstevel@tonic-gate */ 41347c478bd9Sstevel@tonic-gate static int 4135aa646b9dSvikram clean_ok(devfsadm_remove_V1_t *remove) 41367c478bd9Sstevel@tonic-gate { 41377c478bd9Sstevel@tonic-gate int i; 41387c478bd9Sstevel@tonic-gate 41397c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 41407c478bd9Sstevel@tonic-gate /* no cleanup at all when using -i option */ 41417c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 41427c478bd9Sstevel@tonic-gate } 41437c478bd9Sstevel@tonic-gate 41447c478bd9Sstevel@tonic-gate /* 41457c478bd9Sstevel@tonic-gate * no cleanup if drivers are not loaded. We make an exception 41467c478bd9Sstevel@tonic-gate * for the "disks" program however, since disks has a public 41477c478bd9Sstevel@tonic-gate * cleanup flag (-C) and disk drivers are usually never 41487c478bd9Sstevel@tonic-gate * unloaded. 41497c478bd9Sstevel@tonic-gate */ 41507c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE && strcmp(prog, DISKS) != 0) { 41517c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 41527c478bd9Sstevel@tonic-gate } 41537c478bd9Sstevel@tonic-gate 41547c478bd9Sstevel@tonic-gate /* if the cleanup flag was not specified, return false */ 41557c478bd9Sstevel@tonic-gate if ((cleanup == FALSE) && ((remove->flags & RM_ALWAYS) == 0)) { 41567c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 41577c478bd9Sstevel@tonic-gate } 41587c478bd9Sstevel@tonic-gate 41597c478bd9Sstevel@tonic-gate if (num_classes == 0) { 41607c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 41617c478bd9Sstevel@tonic-gate } 41627c478bd9Sstevel@tonic-gate 41637c478bd9Sstevel@tonic-gate /* 41647c478bd9Sstevel@tonic-gate * if reached this point, check to see if the class in the given 41657c478bd9Sstevel@tonic-gate * remove structure matches a class given on the command line 41667c478bd9Sstevel@tonic-gate */ 41677c478bd9Sstevel@tonic-gate 41687c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 41697c478bd9Sstevel@tonic-gate if (strcmp(remove->device_class, classes[i]) == 0) { 41707c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 41717c478bd9Sstevel@tonic-gate } 41727c478bd9Sstevel@tonic-gate } 41737c478bd9Sstevel@tonic-gate 41747c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 41757c478bd9Sstevel@tonic-gate } 41767c478bd9Sstevel@tonic-gate 41777c478bd9Sstevel@tonic-gate /* 41787c478bd9Sstevel@tonic-gate * Called to remove dangling nodes after receiving a hotplug event 41797c478bd9Sstevel@tonic-gate * containing the physical node pathname to be removed. 41807c478bd9Sstevel@tonic-gate */ 41817c478bd9Sstevel@tonic-gate void 41827c478bd9Sstevel@tonic-gate hot_cleanup(char *node_path, char *minor_name, char *ev_subclass, 41837c478bd9Sstevel@tonic-gate char *driver_name, int instance) 41847c478bd9Sstevel@tonic-gate { 41857c478bd9Sstevel@tonic-gate link_t *link; 41867c478bd9Sstevel@tonic-gate linkhead_t *head; 41877c478bd9Sstevel@tonic-gate remove_list_t *rm; 41887c478bd9Sstevel@tonic-gate char *fcn = "hot_cleanup: "; 41897c478bd9Sstevel@tonic-gate char path[PATH_MAX + 1]; 41907c478bd9Sstevel@tonic-gate int path_len; 41917c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 41927c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 4193fb9251a6Scth int skip; 4194aa646b9dSvikram int ret; 41957c478bd9Sstevel@tonic-gate 41967c478bd9Sstevel@tonic-gate /* 41977c478bd9Sstevel@tonic-gate * dev links can go away as part of hot cleanup. 41987c478bd9Sstevel@tonic-gate * So first build event attributes in order capture dev links. 41997c478bd9Sstevel@tonic-gate */ 42007c478bd9Sstevel@tonic-gate if (ev_subclass != NULL) 42017c478bd9Sstevel@tonic-gate nvl = build_event_attributes(EC_DEV_REMOVE, ev_subclass, 420230294554Sphitran node_path, DI_NODE_NIL, driver_name, instance, minor_name); 42037c478bd9Sstevel@tonic-gate 42047c478bd9Sstevel@tonic-gate (void) strcpy(path, node_path); 42057c478bd9Sstevel@tonic-gate (void) strcat(path, ":"); 42067c478bd9Sstevel@tonic-gate (void) strcat(path, minor_name == NULL ? "" : minor_name); 42077c478bd9Sstevel@tonic-gate 42087c478bd9Sstevel@tonic-gate path_len = strlen(path); 42097c478bd9Sstevel@tonic-gate 42107c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%spath=%s\n", fcn, path); 42117c478bd9Sstevel@tonic-gate 4212aa646b9dSvikram (void) mutex_lock(&nfp_mutex); 4213aa646b9dSvikram nfphash_create(); 4214aa646b9dSvikram 42157c478bd9Sstevel@tonic-gate for (rm = remove_head; rm != NULL; rm = rm->next) { 42167c478bd9Sstevel@tonic-gate if ((RM_HOT & rm->remove->flags) == RM_HOT) { 42177c478bd9Sstevel@tonic-gate head = get_cached_links(rm->remove->dev_dirs_re); 42187c478bd9Sstevel@tonic-gate assert(head->nextlink == NULL); 42197c478bd9Sstevel@tonic-gate for (link = head->link; 42207c478bd9Sstevel@tonic-gate link != NULL; link = head->nextlink) { 42217c478bd9Sstevel@tonic-gate /* 42227c478bd9Sstevel@tonic-gate * The remove callback below may remove 42237c478bd9Sstevel@tonic-gate * the current and/or any or all of the 42247c478bd9Sstevel@tonic-gate * subsequent links in the list. 42257c478bd9Sstevel@tonic-gate * Save the next link in the head. If 42267c478bd9Sstevel@tonic-gate * the callback removes the next link 42277c478bd9Sstevel@tonic-gate * the saved pointer in the head will be 42287c478bd9Sstevel@tonic-gate * updated by the callback to point at 42297c478bd9Sstevel@tonic-gate * the next valid link. 42307c478bd9Sstevel@tonic-gate */ 42317c478bd9Sstevel@tonic-gate head->nextlink = link->next; 4232aa646b9dSvikram 4233aa646b9dSvikram /* 4234aa646b9dSvikram * if devlink is in no-further-process hash, 4235aa646b9dSvikram * skip its remove 4236aa646b9dSvikram */ 4237aa646b9dSvikram if (nfphash_lookup(link->devlink) != NULL) 4238aa646b9dSvikram continue; 4239aa646b9dSvikram 4240fb9251a6Scth if (minor_name) 4241fb9251a6Scth skip = strcmp(link->contents, path); 4242fb9251a6Scth else 4243fb9251a6Scth skip = strncmp(link->contents, path, 4244fb9251a6Scth path_len); 4245fb9251a6Scth if (skip || 4246fb9251a6Scth (call_minor_init(rm->modptr) == 4247fb9251a6Scth DEVFSADM_FAILURE)) 4248fb9251a6Scth continue; 42497c478bd9Sstevel@tonic-gate 4250fb9251a6Scth vprint(REMOVE_MID, 42510a653502Swroche "%sremoving %s -> %s\n", fcn, 42520a653502Swroche link->devlink, link->contents); 4253fb9251a6Scth /* 4254fb9251a6Scth * Use a copy of the cached link name 4255fb9251a6Scth * as the cache entry will go away 4256fb9251a6Scth * during link removal 4257fb9251a6Scth */ 4258fb9251a6Scth (void) snprintf(rmlink, sizeof (rmlink), 4259fb9251a6Scth "%s", link->devlink); 4260aa646b9dSvikram if (rm->remove->flags & RM_NOINTERPOSE) { 4261aa646b9dSvikram ((void (*)(char *)) 42620a653502Swroche (rm->remove->callback_fcn))(rmlink); 4263aa646b9dSvikram } else { 4264aa646b9dSvikram ret = ((int (*)(char *)) 4265aa646b9dSvikram (rm->remove->callback_fcn))(rmlink); 4266aa646b9dSvikram if (ret == DEVFSADM_TERMINATE) 4267aa646b9dSvikram nfphash_insert(rmlink); 4268aa646b9dSvikram } 42697c478bd9Sstevel@tonic-gate } 42707c478bd9Sstevel@tonic-gate } 42717c478bd9Sstevel@tonic-gate } 42727c478bd9Sstevel@tonic-gate 4273aa646b9dSvikram nfphash_destroy(); 4274aa646b9dSvikram (void) mutex_unlock(&nfp_mutex); 4275aa646b9dSvikram 427645916cd2Sjpk /* update device allocation database */ 427745916cd2Sjpk if (system_labeled) { 427845916cd2Sjpk int ret = 0; 427945916cd2Sjpk int devtype = 0; 428045916cd2Sjpk char devname[MAXNAMELEN]; 428145916cd2Sjpk 428245916cd2Sjpk devname[0] = '\0'; 428345916cd2Sjpk if (strstr(node_path, DA_SOUND_NAME)) 428445916cd2Sjpk devtype = DA_AUDIO; 428545916cd2Sjpk else if (strstr(node_path, "disk")) 428645916cd2Sjpk devtype = DA_RMDISK; 428745916cd2Sjpk else 428845916cd2Sjpk goto out; 428945916cd2Sjpk ret = da_remove_list(&devlist, NULL, devtype, devname, 429045916cd2Sjpk sizeof (devname)); 429145916cd2Sjpk if (ret != -1) 429245916cd2Sjpk (void) _update_devalloc_db(&devlist, devtype, DA_REMOVE, 429345916cd2Sjpk devname, root_dir); 429445916cd2Sjpk } 429545916cd2Sjpk 429645916cd2Sjpk out: 42977c478bd9Sstevel@tonic-gate /* now log an event */ 42987c478bd9Sstevel@tonic-gate if (nvl) { 42997c478bd9Sstevel@tonic-gate log_event(EC_DEV_REMOVE, ev_subclass, nvl); 43007c478bd9Sstevel@tonic-gate free(nvl); 43017c478bd9Sstevel@tonic-gate } 43027c478bd9Sstevel@tonic-gate } 43037c478bd9Sstevel@tonic-gate 43047c478bd9Sstevel@tonic-gate /* 43057c478bd9Sstevel@tonic-gate * Open the dir current_dir. For every file which matches the first dir 43067c478bd9Sstevel@tonic-gate * component of path_re, recurse. If there are no more *dir* path 43077c478bd9Sstevel@tonic-gate * components left in path_re (ie no more /), then call function rd->fcn. 43087c478bd9Sstevel@tonic-gate */ 43097c478bd9Sstevel@tonic-gate static void 43107c478bd9Sstevel@tonic-gate recurse_dev_re(char *current_dir, char *path_re, recurse_dev_t *rd) 43117c478bd9Sstevel@tonic-gate { 43127c478bd9Sstevel@tonic-gate regex_t re1; 43137c478bd9Sstevel@tonic-gate char *slash; 43147c478bd9Sstevel@tonic-gate char new_path[PATH_MAX + 1]; 43157c478bd9Sstevel@tonic-gate char *anchored_path_re; 43167c478bd9Sstevel@tonic-gate size_t len; 431773de625bSjg finddevhdl_t fhandle; 431873de625bSjg const char *fp; 43197c478bd9Sstevel@tonic-gate 43207c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: curr = %s path=%s\n", 43210a653502Swroche current_dir, path_re); 43227c478bd9Sstevel@tonic-gate 432373de625bSjg if (finddev_readdir(current_dir, &fhandle) != 0) 43247c478bd9Sstevel@tonic-gate return; 43257c478bd9Sstevel@tonic-gate 43267c478bd9Sstevel@tonic-gate len = strlen(path_re); 43277c478bd9Sstevel@tonic-gate if ((slash = strchr(path_re, '/')) != NULL) { 43287c478bd9Sstevel@tonic-gate len = (slash - path_re); 43297c478bd9Sstevel@tonic-gate } 43307c478bd9Sstevel@tonic-gate 43317c478bd9Sstevel@tonic-gate anchored_path_re = s_malloc(len + 3); 43327c478bd9Sstevel@tonic-gate (void) sprintf(anchored_path_re, "^%.*s$", len, path_re); 43337c478bd9Sstevel@tonic-gate 43347c478bd9Sstevel@tonic-gate if (regcomp(&re1, anchored_path_re, REG_EXTENDED) != 0) { 43357c478bd9Sstevel@tonic-gate free(anchored_path_re); 43367c478bd9Sstevel@tonic-gate goto out; 43377c478bd9Sstevel@tonic-gate } 43387c478bd9Sstevel@tonic-gate 43397c478bd9Sstevel@tonic-gate free(anchored_path_re); 43407c478bd9Sstevel@tonic-gate 434173de625bSjg while ((fp = finddev_next(fhandle)) != NULL) { 43427c478bd9Sstevel@tonic-gate 434373de625bSjg if (regexec(&re1, fp, 0, NULL, 0) == 0) { 43447c478bd9Sstevel@tonic-gate /* match */ 43457c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 43467c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 434773de625bSjg (void) strcat(new_path, fp); 43487c478bd9Sstevel@tonic-gate 43497c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: match, new " 43500a653502Swroche "path = %s\n", new_path); 43517c478bd9Sstevel@tonic-gate 43527c478bd9Sstevel@tonic-gate if (slash != NULL) { 43537c478bd9Sstevel@tonic-gate recurse_dev_re(new_path, slash + 1, rd); 43547c478bd9Sstevel@tonic-gate } else { 43557c478bd9Sstevel@tonic-gate /* reached the leaf component of path_re */ 43567c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, 43570a653502Swroche "recurse_dev_re: calling fcn\n"); 43587c478bd9Sstevel@tonic-gate (*(rd->fcn))(new_path, rd->data); 43597c478bd9Sstevel@tonic-gate } 43607c478bd9Sstevel@tonic-gate } 43617c478bd9Sstevel@tonic-gate } 43627c478bd9Sstevel@tonic-gate 43637c478bd9Sstevel@tonic-gate regfree(&re1); 43647c478bd9Sstevel@tonic-gate 43657c478bd9Sstevel@tonic-gate out: 436673de625bSjg finddev_close(fhandle); 43677c478bd9Sstevel@tonic-gate } 43687c478bd9Sstevel@tonic-gate 43697c478bd9Sstevel@tonic-gate /* 43707c478bd9Sstevel@tonic-gate * Found a devpath which matches a RE in the remove structure. 43717c478bd9Sstevel@tonic-gate * Now check to see if it is dangling. 43727c478bd9Sstevel@tonic-gate */ 43737c478bd9Sstevel@tonic-gate static void 43747c478bd9Sstevel@tonic-gate matching_dev(char *devpath, void *data) 43757c478bd9Sstevel@tonic-gate { 43767c478bd9Sstevel@tonic-gate cleanup_data_t *cleanup_data = data; 4377aa646b9dSvikram int norm_len = strlen(dev_dir) + strlen("/"); 4378aa646b9dSvikram int ret; 43797c478bd9Sstevel@tonic-gate char *fcn = "matching_dev: "; 43807c478bd9Sstevel@tonic-gate 43817c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "%sexamining devpath = '%s'\n", fcn, 43820a653502Swroche devpath); 43837c478bd9Sstevel@tonic-gate 4384aa646b9dSvikram /* 4385aa646b9dSvikram * If the link is in the no-further-process hash 4386aa646b9dSvikram * don't do any remove operation on it. 4387aa646b9dSvikram */ 4388aa646b9dSvikram if (nfphash_lookup(devpath + norm_len) != NULL) 4389aa646b9dSvikram return; 4390aa646b9dSvikram 43917c478bd9Sstevel@tonic-gate if (resolve_link(devpath, NULL, NULL, NULL, 1) == TRUE) { 43927c478bd9Sstevel@tonic-gate if (call_minor_init(cleanup_data->rm->modptr) == 43930a653502Swroche DEVFSADM_FAILURE) { 43947c478bd9Sstevel@tonic-gate return; 43957c478bd9Sstevel@tonic-gate } 43967c478bd9Sstevel@tonic-gate 4397aa646b9dSvikram devpath += norm_len; 43987c478bd9Sstevel@tonic-gate 43990a653502Swroche vprint(RECURSEDEV_MID, "%scalling callback %s\n", fcn, devpath); 4400aa646b9dSvikram if (cleanup_data->rm->remove->flags & RM_NOINTERPOSE) 4401aa646b9dSvikram ((void (*)(char *)) 44020a653502Swroche (cleanup_data->rm->remove->callback_fcn))(devpath); 4403aa646b9dSvikram else { 4404aa646b9dSvikram ret = ((int (*)(char *)) 4405aa646b9dSvikram (cleanup_data->rm->remove->callback_fcn))(devpath); 4406aa646b9dSvikram if (ret == DEVFSADM_TERMINATE) { 4407aa646b9dSvikram /* 4408aa646b9dSvikram * We want no further remove processing for 4409aa646b9dSvikram * this link. Add it to the nfp_hash; 4410aa646b9dSvikram */ 4411aa646b9dSvikram nfphash_insert(devpath); 4412aa646b9dSvikram } 4413aa646b9dSvikram } 44147c478bd9Sstevel@tonic-gate } 44157c478bd9Sstevel@tonic-gate } 44167c478bd9Sstevel@tonic-gate 44177c478bd9Sstevel@tonic-gate int 44187c478bd9Sstevel@tonic-gate devfsadm_read_link(char *link, char **devfs_path) 44197c478bd9Sstevel@tonic-gate { 44207c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 44217c478bd9Sstevel@tonic-gate 44227c478bd9Sstevel@tonic-gate *devfs_path = NULL; 44237c478bd9Sstevel@tonic-gate 44247c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 44257c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 44267c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 44277c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 44287c478bd9Sstevel@tonic-gate 44297c478bd9Sstevel@tonic-gate /* We *don't* want a stat of the /devices node */ 44307c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, devfs_path, 0); 44317c478bd9Sstevel@tonic-gate 44327c478bd9Sstevel@tonic-gate return (*devfs_path ? DEVFSADM_SUCCESS : DEVFSADM_FAILURE); 44337c478bd9Sstevel@tonic-gate } 44347c478bd9Sstevel@tonic-gate 44357c478bd9Sstevel@tonic-gate int 44367c478bd9Sstevel@tonic-gate devfsadm_link_valid(char *link) 44377c478bd9Sstevel@tonic-gate { 44387c478bd9Sstevel@tonic-gate struct stat sb; 443945916cd2Sjpk char devlink[PATH_MAX + 1], *contents = NULL; 44407c478bd9Sstevel@tonic-gate int rv, type; 444145916cd2Sjpk int instance = 0; 44427c478bd9Sstevel@tonic-gate 44437c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 44447c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 44457c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 44467c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 44477c478bd9Sstevel@tonic-gate 4448facf4a8dSllai if (!device_exists(devlink) || lstat(devlink, &sb) != 0) { 44497c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 44507c478bd9Sstevel@tonic-gate } 44517c478bd9Sstevel@tonic-gate 44527c478bd9Sstevel@tonic-gate contents = NULL; 44537c478bd9Sstevel@tonic-gate type = 0; 44547c478bd9Sstevel@tonic-gate if (resolve_link(devlink, &contents, &type, NULL, 1) == TRUE) { 44557c478bd9Sstevel@tonic-gate rv = DEVFSADM_FALSE; 44567c478bd9Sstevel@tonic-gate } else { 44577c478bd9Sstevel@tonic-gate rv = DEVFSADM_TRUE; 44587c478bd9Sstevel@tonic-gate } 44597c478bd9Sstevel@tonic-gate 44607c478bd9Sstevel@tonic-gate /* 44617c478bd9Sstevel@tonic-gate * The link exists. Add it to the database 44627c478bd9Sstevel@tonic-gate */ 44637c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, type); 446445916cd2Sjpk if (system_labeled && (rv == DEVFSADM_TRUE) && 446545916cd2Sjpk strstr(devlink, DA_AUDIO_NAME) && contents) { 446645916cd2Sjpk (void) sscanf(contents, "%*[a-z]%d", &instance); 446745916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, 446845916cd2Sjpk DA_ADD|DA_AUDIO); 446945916cd2Sjpk _update_devalloc_db(&devlist, 0, DA_ADD, NULL, root_dir); 447045916cd2Sjpk } 44717c478bd9Sstevel@tonic-gate free(contents); 44727c478bd9Sstevel@tonic-gate 44737c478bd9Sstevel@tonic-gate return (rv); 44747c478bd9Sstevel@tonic-gate } 44757c478bd9Sstevel@tonic-gate 44767c478bd9Sstevel@tonic-gate /* 44777c478bd9Sstevel@tonic-gate * devpath: Absolute path to /dev link 44787c478bd9Sstevel@tonic-gate * content_p: Returns malloced string (link content) 44797c478bd9Sstevel@tonic-gate * type_p: Returns link type: primary or secondary 44807c478bd9Sstevel@tonic-gate * devfs_path: Returns malloced string: /devices path w/out "/devices" 44817c478bd9Sstevel@tonic-gate * dangle: if set, check if link is dangling 44827c478bd9Sstevel@tonic-gate * Returns: 44837c478bd9Sstevel@tonic-gate * TRUE if dangling 44847c478bd9Sstevel@tonic-gate * FALSE if not or if caller doesn't care 44857c478bd9Sstevel@tonic-gate * Caller is assumed to have initialized pointer contents to NULL 44867c478bd9Sstevel@tonic-gate */ 44877c478bd9Sstevel@tonic-gate static int 44887c478bd9Sstevel@tonic-gate resolve_link(char *devpath, char **content_p, int *type_p, char **devfs_path, 44897c478bd9Sstevel@tonic-gate int dangle) 44907c478bd9Sstevel@tonic-gate { 44917c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 44927c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 44937c478bd9Sstevel@tonic-gate char *fcn = "resolve_link: "; 44947c478bd9Sstevel@tonic-gate char *ptr; 44957c478bd9Sstevel@tonic-gate int linksize; 44967c478bd9Sstevel@tonic-gate int rv = TRUE; 44977c478bd9Sstevel@tonic-gate struct stat sb; 44987c478bd9Sstevel@tonic-gate 44997c478bd9Sstevel@tonic-gate linksize = readlink(devpath, contents, PATH_MAX); 45007c478bd9Sstevel@tonic-gate 45017c478bd9Sstevel@tonic-gate if (linksize <= 0) { 45027c478bd9Sstevel@tonic-gate return (FALSE); 45037c478bd9Sstevel@tonic-gate } else { 45047c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 45057c478bd9Sstevel@tonic-gate } 45067c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s %s -> %s\n", fcn, devpath, contents); 45077c478bd9Sstevel@tonic-gate 45087c478bd9Sstevel@tonic-gate if (content_p) { 45097c478bd9Sstevel@tonic-gate *content_p = s_strdup(contents); 45107c478bd9Sstevel@tonic-gate } 45117c478bd9Sstevel@tonic-gate 45127c478bd9Sstevel@tonic-gate /* 45137c478bd9Sstevel@tonic-gate * Check to see if this is a link pointing to another link in /dev. The 45147c478bd9Sstevel@tonic-gate * cheap way to do this is to look for a lack of ../devices/. 45157c478bd9Sstevel@tonic-gate */ 45167c478bd9Sstevel@tonic-gate 45177c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_FALSE) { 45187c478bd9Sstevel@tonic-gate 45197c478bd9Sstevel@tonic-gate if (type_p) { 45207c478bd9Sstevel@tonic-gate *type_p = DI_SECONDARY_LINK; 45217c478bd9Sstevel@tonic-gate } 45227c478bd9Sstevel@tonic-gate 45237c478bd9Sstevel@tonic-gate /* 45247c478bd9Sstevel@tonic-gate * assume that linkcontents is really a pointer to another 45257c478bd9Sstevel@tonic-gate * link, and if so recurse and read its link contents. 45267c478bd9Sstevel@tonic-gate */ 45277c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 45287c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, dev_dir); 45297c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 45307c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, 45310a653502Swroche &contents[strlen(DEV) + strlen("/")]); 45327c478bd9Sstevel@tonic-gate } else { 45337c478bd9Sstevel@tonic-gate if ((ptr = strrchr(devpath, '/')) == NULL) { 45347c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid link. " 45350a653502Swroche "missing '/'\n", fcn, devpath, contents); 45367c478bd9Sstevel@tonic-gate return (TRUE); 45377c478bd9Sstevel@tonic-gate } 45387c478bd9Sstevel@tonic-gate *ptr = '\0'; 45397c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, devpath); 45407c478bd9Sstevel@tonic-gate *ptr = '/'; 45417c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 45427c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 45437c478bd9Sstevel@tonic-gate } 45447c478bd9Sstevel@tonic-gate return (resolve_link(stage_link, NULL, NULL, devfs_path, 45457c478bd9Sstevel@tonic-gate dangle)); 45467c478bd9Sstevel@tonic-gate } 45477c478bd9Sstevel@tonic-gate 45487c478bd9Sstevel@tonic-gate /* Current link points at a /devices minor node */ 45497c478bd9Sstevel@tonic-gate if (type_p) { 45507c478bd9Sstevel@tonic-gate *type_p = DI_PRIMARY_LINK; 45517c478bd9Sstevel@tonic-gate } 45527c478bd9Sstevel@tonic-gate 45537c478bd9Sstevel@tonic-gate if (devfs_path) 45547c478bd9Sstevel@tonic-gate *devfs_path = s_strdup(ptr); 45557c478bd9Sstevel@tonic-gate 45567c478bd9Sstevel@tonic-gate rv = FALSE; 45577c478bd9Sstevel@tonic-gate if (dangle) 45587c478bd9Sstevel@tonic-gate rv = (stat(ptr - strlen(DEVICES), &sb) == -1); 45597c478bd9Sstevel@tonic-gate 45607c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%slink=%s, returning %s\n", fcn, 45610a653502Swroche devpath, ((rv == TRUE) ? "TRUE" : "FALSE")); 45627c478bd9Sstevel@tonic-gate 45637c478bd9Sstevel@tonic-gate return (rv); 45647c478bd9Sstevel@tonic-gate } 45657c478bd9Sstevel@tonic-gate 45667c478bd9Sstevel@tonic-gate /* 45677c478bd9Sstevel@tonic-gate * Returns the substring of interest, given a path. 45687c478bd9Sstevel@tonic-gate */ 45697c478bd9Sstevel@tonic-gate static char * 45707c478bd9Sstevel@tonic-gate alloc_cmp_str(const char *path, devfsadm_enumerate_t *dep) 45717c478bd9Sstevel@tonic-gate { 45727c478bd9Sstevel@tonic-gate uint_t match; 45737c478bd9Sstevel@tonic-gate char *np, *ap, *mp; 45747c478bd9Sstevel@tonic-gate char *cmp_str = NULL; 45757c478bd9Sstevel@tonic-gate char at[] = "@"; 45767c478bd9Sstevel@tonic-gate char *fcn = "alloc_cmp_str"; 45777c478bd9Sstevel@tonic-gate 45787c478bd9Sstevel@tonic-gate np = ap = mp = NULL; 45797c478bd9Sstevel@tonic-gate 45807c478bd9Sstevel@tonic-gate /* 45817c478bd9Sstevel@tonic-gate * extract match flags from the flags argument. 45827c478bd9Sstevel@tonic-gate */ 45837c478bd9Sstevel@tonic-gate match = (dep->flags & MATCH_MASK); 45847c478bd9Sstevel@tonic-gate 45857c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: enumeration match type: 0x%x" 45867c478bd9Sstevel@tonic-gate " path: %s\n", fcn, match, path); 45877c478bd9Sstevel@tonic-gate 45887c478bd9Sstevel@tonic-gate /* 45897c478bd9Sstevel@tonic-gate * MATCH_CALLBACK and MATCH_ALL are the only flags 45907c478bd9Sstevel@tonic-gate * which may be used if "path" is a /dev path 45917c478bd9Sstevel@tonic-gate */ 45927c478bd9Sstevel@tonic-gate if (match == MATCH_CALLBACK) { 45937c478bd9Sstevel@tonic-gate if (dep->sel_fcn == NULL) { 45947c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumerate" 45957c478bd9Sstevel@tonic-gate " callback: path: %s\n", fcn, path); 45967c478bd9Sstevel@tonic-gate return (NULL); 45977c478bd9Sstevel@tonic-gate } 45987c478bd9Sstevel@tonic-gate cmp_str = dep->sel_fcn(path, dep->cb_arg); 45997c478bd9Sstevel@tonic-gate return (cmp_str); 46007c478bd9Sstevel@tonic-gate } 46017c478bd9Sstevel@tonic-gate 46027c478bd9Sstevel@tonic-gate cmp_str = s_strdup(path); 46037c478bd9Sstevel@tonic-gate 46047c478bd9Sstevel@tonic-gate if (match == MATCH_ALL) { 46057c478bd9Sstevel@tonic-gate return (cmp_str); 46067c478bd9Sstevel@tonic-gate } 46077c478bd9Sstevel@tonic-gate 46087c478bd9Sstevel@tonic-gate /* 46097c478bd9Sstevel@tonic-gate * The remaining flags make sense only for /devices 46107c478bd9Sstevel@tonic-gate * paths 46117c478bd9Sstevel@tonic-gate */ 46127c478bd9Sstevel@tonic-gate if ((mp = strrchr(cmp_str, ':')) == NULL) { 46137c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 46147c478bd9Sstevel@tonic-gate fcn, path); 46157c478bd9Sstevel@tonic-gate goto err; 46167c478bd9Sstevel@tonic-gate } 46177c478bd9Sstevel@tonic-gate 46187c478bd9Sstevel@tonic-gate if (match == MATCH_MINOR) { 46197c478bd9Sstevel@tonic-gate /* A NULL "match_arg" values implies entire minor */ 46207c478bd9Sstevel@tonic-gate if (get_component(mp + 1, dep->match_arg) == NULL) { 46217c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid minor component:" 46227c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 46237c478bd9Sstevel@tonic-gate goto err; 46247c478bd9Sstevel@tonic-gate } 46257c478bd9Sstevel@tonic-gate return (cmp_str); 46267c478bd9Sstevel@tonic-gate } 46277c478bd9Sstevel@tonic-gate 46287c478bd9Sstevel@tonic-gate if ((np = strrchr(cmp_str, '/')) == NULL) { 46297c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", fcn, path); 46307c478bd9Sstevel@tonic-gate goto err; 46317c478bd9Sstevel@tonic-gate } 46327c478bd9Sstevel@tonic-gate 46337c478bd9Sstevel@tonic-gate if (match == MATCH_PARENT) { 46347c478bd9Sstevel@tonic-gate if (strcmp(cmp_str, "/") == 0) { 46357c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 46367c478bd9Sstevel@tonic-gate fcn, path); 46377c478bd9Sstevel@tonic-gate goto err; 46387c478bd9Sstevel@tonic-gate } 46397c478bd9Sstevel@tonic-gate 46407c478bd9Sstevel@tonic-gate if (np == cmp_str) { 46417c478bd9Sstevel@tonic-gate *(np + 1) = '\0'; 46427c478bd9Sstevel@tonic-gate } else { 46437c478bd9Sstevel@tonic-gate *np = '\0'; 46447c478bd9Sstevel@tonic-gate } 46457c478bd9Sstevel@tonic-gate return (cmp_str); 46467c478bd9Sstevel@tonic-gate } 46477c478bd9Sstevel@tonic-gate 46487c478bd9Sstevel@tonic-gate /* ap can be NULL - Leaf address may not exist or be empty string */ 46497c478bd9Sstevel@tonic-gate ap = strchr(np+1, '@'); 46507c478bd9Sstevel@tonic-gate 46517c478bd9Sstevel@tonic-gate /* minor is no longer of interest */ 46527c478bd9Sstevel@tonic-gate *mp = '\0'; 46537c478bd9Sstevel@tonic-gate 46547c478bd9Sstevel@tonic-gate if (match == MATCH_NODE) { 46557c478bd9Sstevel@tonic-gate if (ap) 46567c478bd9Sstevel@tonic-gate *ap = '\0'; 46577c478bd9Sstevel@tonic-gate return (cmp_str); 46587c478bd9Sstevel@tonic-gate } else if (match == MATCH_ADDR) { 46597c478bd9Sstevel@tonic-gate /* 46607c478bd9Sstevel@tonic-gate * The empty string is a valid address. The only MATCH_ADDR 46617c478bd9Sstevel@tonic-gate * allowed in this case is against the whole address or 46627c478bd9Sstevel@tonic-gate * the first component of the address (match_arg=NULL/"0"/"1") 46637c478bd9Sstevel@tonic-gate * Note that in this case, the path won't have an "@" 46647c478bd9Sstevel@tonic-gate * As a result ap will be NULL. We fake up an ap = @'\0' 46657c478bd9Sstevel@tonic-gate * so that get_component() will work correctly. 46667c478bd9Sstevel@tonic-gate */ 46677c478bd9Sstevel@tonic-gate if (ap == NULL) { 46687c478bd9Sstevel@tonic-gate ap = at; 46697c478bd9Sstevel@tonic-gate } 46707c478bd9Sstevel@tonic-gate 46717c478bd9Sstevel@tonic-gate if (get_component(ap + 1, dep->match_arg) == NULL) { 46727c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid leaf addr. component:" 46737c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 46747c478bd9Sstevel@tonic-gate goto err; 46757c478bd9Sstevel@tonic-gate } 46767c478bd9Sstevel@tonic-gate return (cmp_str); 46777c478bd9Sstevel@tonic-gate } 46787c478bd9Sstevel@tonic-gate 46797c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: 0x%x" 46800a653502Swroche " path: %s\n", fcn, dep->flags, path); 46817c478bd9Sstevel@tonic-gate 46827c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 46837c478bd9Sstevel@tonic-gate err: 46847c478bd9Sstevel@tonic-gate free(cmp_str); 46857c478bd9Sstevel@tonic-gate return (NULL); 46867c478bd9Sstevel@tonic-gate } 46877c478bd9Sstevel@tonic-gate 46887c478bd9Sstevel@tonic-gate 46897c478bd9Sstevel@tonic-gate /* 46907c478bd9Sstevel@tonic-gate * "str" is expected to be a string with components separated by ',' 46917c478bd9Sstevel@tonic-gate * The terminating null char is considered a separator. 46927c478bd9Sstevel@tonic-gate * get_component() will remove the portion of the string beyond 46937c478bd9Sstevel@tonic-gate * the component indicated. 46947c478bd9Sstevel@tonic-gate * If comp_str is NULL, the entire "str" is returned. 46957c478bd9Sstevel@tonic-gate */ 46967c478bd9Sstevel@tonic-gate static char * 46977c478bd9Sstevel@tonic-gate get_component(char *str, const char *comp_str) 46987c478bd9Sstevel@tonic-gate { 46997c478bd9Sstevel@tonic-gate long comp; 47007c478bd9Sstevel@tonic-gate char *cp; 47017c478bd9Sstevel@tonic-gate 47027c478bd9Sstevel@tonic-gate if (str == NULL) { 47037c478bd9Sstevel@tonic-gate return (NULL); 47047c478bd9Sstevel@tonic-gate } 47057c478bd9Sstevel@tonic-gate 47067c478bd9Sstevel@tonic-gate if (comp_str == NULL) { 47077c478bd9Sstevel@tonic-gate return (str); 47087c478bd9Sstevel@tonic-gate } 47097c478bd9Sstevel@tonic-gate 47107c478bd9Sstevel@tonic-gate errno = 0; 47117c478bd9Sstevel@tonic-gate comp = strtol(comp_str, &cp, 10); 47127c478bd9Sstevel@tonic-gate if (errno != 0 || *cp != '\0' || comp < 0) { 47137c478bd9Sstevel@tonic-gate return (NULL); 47147c478bd9Sstevel@tonic-gate } 47157c478bd9Sstevel@tonic-gate 47167c478bd9Sstevel@tonic-gate if (comp == 0) 47177c478bd9Sstevel@tonic-gate return (str); 47187c478bd9Sstevel@tonic-gate 47197c478bd9Sstevel@tonic-gate for (cp = str; ; cp++) { 47207c478bd9Sstevel@tonic-gate if (*cp == ',' || *cp == '\0') 47217c478bd9Sstevel@tonic-gate comp--; 47227c478bd9Sstevel@tonic-gate if (*cp == '\0' || comp <= 0) { 47237c478bd9Sstevel@tonic-gate break; 47247c478bd9Sstevel@tonic-gate } 47257c478bd9Sstevel@tonic-gate } 47267c478bd9Sstevel@tonic-gate 47277c478bd9Sstevel@tonic-gate if (comp == 0) { 47287c478bd9Sstevel@tonic-gate *cp = '\0'; 47297c478bd9Sstevel@tonic-gate } else { 47307c478bd9Sstevel@tonic-gate str = NULL; 47317c478bd9Sstevel@tonic-gate } 47327c478bd9Sstevel@tonic-gate 47337c478bd9Sstevel@tonic-gate return (str); 47347c478bd9Sstevel@tonic-gate } 47357c478bd9Sstevel@tonic-gate 47367c478bd9Sstevel@tonic-gate 47377c478bd9Sstevel@tonic-gate /* 47387c478bd9Sstevel@tonic-gate * Enumerate serves as a generic counter as well as a means to determine 47397c478bd9Sstevel@tonic-gate * logical unit/controller numbers for such items as disk and tape 47407c478bd9Sstevel@tonic-gate * drives. 47417c478bd9Sstevel@tonic-gate * 47427c478bd9Sstevel@tonic-gate * rules[] is an array of devfsadm_enumerate_t structures which defines 47437c478bd9Sstevel@tonic-gate * the enumeration rules to be used for a specified set of links in /dev. 47447c478bd9Sstevel@tonic-gate * The set of links is specified through regular expressions (of the flavor 47457c478bd9Sstevel@tonic-gate * described in regex(5)). These regular expressions are used to determine 47467c478bd9Sstevel@tonic-gate * the set of links in /dev to examine. The last path component in these 47477c478bd9Sstevel@tonic-gate * regular expressions MUST contain a parenthesized subexpression surrounding 47487c478bd9Sstevel@tonic-gate * the RE which is to be considered the enumerating component. The subexp 47497c478bd9Sstevel@tonic-gate * member in a rule is the subexpression number of the enumerating 47507c478bd9Sstevel@tonic-gate * component. Subexpressions in the last path component are numbered starting 47517c478bd9Sstevel@tonic-gate * from 1. 47527c478bd9Sstevel@tonic-gate * 47537c478bd9Sstevel@tonic-gate * A cache of current id assignments is built up from existing symlinks and 47547c478bd9Sstevel@tonic-gate * new assignments use the lowest unused id. Assignments are based on a 47557c478bd9Sstevel@tonic-gate * match of a specified substring of a symlink's contents. If the specified 47567c478bd9Sstevel@tonic-gate * component for the devfs_path argument matches the corresponding substring 47577c478bd9Sstevel@tonic-gate * for a existing symlink's contents, the cached id is returned. Else, a new 47587c478bd9Sstevel@tonic-gate * id is created and returned in *buf. *buf must be freed by the caller. 47597c478bd9Sstevel@tonic-gate * 47607c478bd9Sstevel@tonic-gate * An id assignment may be governed by a combination of rules, each rule 47617c478bd9Sstevel@tonic-gate * applicable to a different subset of links in /dev. For example, controller 47627c478bd9Sstevel@tonic-gate * numbers may be determined by a combination of disk symlinks in /dev/[r]dsk 47637c478bd9Sstevel@tonic-gate * and controller symlinks in /dev/cfg, with the two sets requiring different 47647c478bd9Sstevel@tonic-gate * rules to derive the "substring of interest". In such cases, the rules 47657c478bd9Sstevel@tonic-gate * array will have more than one element. 47667c478bd9Sstevel@tonic-gate */ 47677c478bd9Sstevel@tonic-gate int 47687c478bd9Sstevel@tonic-gate devfsadm_enumerate_int(char *devfs_path, int index, char **buf, 47697c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 47707c478bd9Sstevel@tonic-gate { 47717c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 47727c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 0)); 47737c478bd9Sstevel@tonic-gate } 47747c478bd9Sstevel@tonic-gate 47757c478bd9Sstevel@tonic-gate int 47767c478bd9Sstevel@tonic-gate disk_enumerate_int(char *devfs_path, int index, char **buf, 47777c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 47787c478bd9Sstevel@tonic-gate { 47797c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 47807c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 1)); 47817c478bd9Sstevel@tonic-gate } 47827c478bd9Sstevel@tonic-gate 47837c478bd9Sstevel@tonic-gate /* 47847c478bd9Sstevel@tonic-gate * Same as above, but allows a starting value to be specified. 47857c478bd9Sstevel@tonic-gate * Private to devfsadm.... used by devlinks. 47867c478bd9Sstevel@tonic-gate */ 47877c478bd9Sstevel@tonic-gate static int 47887c478bd9Sstevel@tonic-gate devfsadm_enumerate_int_start(char *devfs_path, int index, char **buf, 47897c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 47907c478bd9Sstevel@tonic-gate { 47917c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 47927c478bd9Sstevel@tonic-gate devfs_path, index, start, INTEGER, buf, 0)); 47937c478bd9Sstevel@tonic-gate } 47947c478bd9Sstevel@tonic-gate 47957c478bd9Sstevel@tonic-gate /* 47967c478bd9Sstevel@tonic-gate * devfsadm_enumerate_char serves as a generic counter returning 47977c478bd9Sstevel@tonic-gate * a single letter. 47987c478bd9Sstevel@tonic-gate */ 47997c478bd9Sstevel@tonic-gate int 48007c478bd9Sstevel@tonic-gate devfsadm_enumerate_char(char *devfs_path, int index, char **buf, 48017c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 48027c478bd9Sstevel@tonic-gate { 48037c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 48047c478bd9Sstevel@tonic-gate devfs_path, index, "a", LETTER, buf, 0)); 48057c478bd9Sstevel@tonic-gate } 48067c478bd9Sstevel@tonic-gate 48077c478bd9Sstevel@tonic-gate /* 48087c478bd9Sstevel@tonic-gate * Same as above, but allows a starting char to be specified. 48097c478bd9Sstevel@tonic-gate * Private to devfsadm - used by ports module (port_link.c) 48107c478bd9Sstevel@tonic-gate */ 48117c478bd9Sstevel@tonic-gate int 48127c478bd9Sstevel@tonic-gate devfsadm_enumerate_char_start(char *devfs_path, int index, char **buf, 48137c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 48147c478bd9Sstevel@tonic-gate { 48157c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 48167c478bd9Sstevel@tonic-gate devfs_path, index, start, LETTER, buf, 0)); 48177c478bd9Sstevel@tonic-gate } 48187c478bd9Sstevel@tonic-gate 48197c478bd9Sstevel@tonic-gate 48207c478bd9Sstevel@tonic-gate /* 48217c478bd9Sstevel@tonic-gate * For a given numeral_set (see get_cached_set for desc of numeral_set), 48227c478bd9Sstevel@tonic-gate * search all cached entries looking for matches on a specified substring 48237c478bd9Sstevel@tonic-gate * of devfs_path. The substring is derived from devfs_path based on the 48247c478bd9Sstevel@tonic-gate * rule specified by "index". If a match is found on a cached entry, 48257c478bd9Sstevel@tonic-gate * return the enumerated id in buf. Otherwise, create a new id by calling 48267c478bd9Sstevel@tonic-gate * new_id, then cache and return that entry. 48277c478bd9Sstevel@tonic-gate */ 48287c478bd9Sstevel@tonic-gate static int 48297c478bd9Sstevel@tonic-gate find_enum_id(devfsadm_enumerate_t rules[], int nrules, 48307c478bd9Sstevel@tonic-gate char *devfs_path, int index, char *min, int type, char **buf, 48317c478bd9Sstevel@tonic-gate int multiple) 48327c478bd9Sstevel@tonic-gate { 48337c478bd9Sstevel@tonic-gate numeral_t *matchnp; 48347c478bd9Sstevel@tonic-gate numeral_t *numeral; 48357c478bd9Sstevel@tonic-gate int matchcount = 0; 48367c478bd9Sstevel@tonic-gate char *cmp_str; 48377c478bd9Sstevel@tonic-gate char *fcn = "find_enum_id"; 48387c478bd9Sstevel@tonic-gate numeral_set_t *set; 48397c478bd9Sstevel@tonic-gate 48407c478bd9Sstevel@tonic-gate if (rules == NULL) { 48417c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: no rules. path: %s\n", 48427c478bd9Sstevel@tonic-gate fcn, devfs_path ? devfs_path : "<NULL path>"); 48437c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 48447c478bd9Sstevel@tonic-gate } 48457c478bd9Sstevel@tonic-gate 48467c478bd9Sstevel@tonic-gate if (devfs_path == NULL) { 48477c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: NULL path\n", fcn); 48487c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 48497c478bd9Sstevel@tonic-gate } 48507c478bd9Sstevel@tonic-gate 48517c478bd9Sstevel@tonic-gate if (nrules <= 0 || index < 0 || index >= nrules || buf == NULL) { 48527c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid arguments. path: %s\n", 48537c478bd9Sstevel@tonic-gate fcn, devfs_path); 48547c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 48557c478bd9Sstevel@tonic-gate } 48567c478bd9Sstevel@tonic-gate 48577c478bd9Sstevel@tonic-gate *buf = NULL; 48587c478bd9Sstevel@tonic-gate 48597c478bd9Sstevel@tonic-gate 48607c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(devfs_path, &rules[index]); 48617c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 48627c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 48637c478bd9Sstevel@tonic-gate } 48647c478bd9Sstevel@tonic-gate 48657c478bd9Sstevel@tonic-gate if ((set = get_enum_cache(rules, nrules)) == NULL) { 48667c478bd9Sstevel@tonic-gate free(cmp_str); 48677c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 48687c478bd9Sstevel@tonic-gate } 48697c478bd9Sstevel@tonic-gate 48707c478bd9Sstevel@tonic-gate assert(nrules == set->re_count); 48717c478bd9Sstevel@tonic-gate 48727c478bd9Sstevel@tonic-gate /* 48737c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 48747c478bd9Sstevel@tonic-gate */ 48757c478bd9Sstevel@tonic-gate matchcount = lookup_enum_cache(set, cmp_str, rules, index, 48767c478bd9Sstevel@tonic-gate &matchnp); 48777c478bd9Sstevel@tonic-gate 48787c478bd9Sstevel@tonic-gate if (matchcount < 0 || matchcount > 1) { 48797c478bd9Sstevel@tonic-gate free(cmp_str); 48807c478bd9Sstevel@tonic-gate if (multiple && matchcount > 1) 48817c478bd9Sstevel@tonic-gate return (DEVFSADM_MULTIPLE); 48827c478bd9Sstevel@tonic-gate else 48837c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 48847c478bd9Sstevel@tonic-gate } 48857c478bd9Sstevel@tonic-gate 48867c478bd9Sstevel@tonic-gate /* if matching entry already cached, return it */ 48877c478bd9Sstevel@tonic-gate if (matchcount == 1) { 48888d483882Smlf /* should never create a link with a reserved ID */ 48898d483882Smlf vprint(ENUM_MID, "%s: 1 match w/ ID: %s\n", fcn, matchnp->id); 48908d483882Smlf assert(matchnp->flags == 0); 48917c478bd9Sstevel@tonic-gate *buf = s_strdup(matchnp->id); 48927c478bd9Sstevel@tonic-gate free(cmp_str); 48937c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 48947c478bd9Sstevel@tonic-gate } 48957c478bd9Sstevel@tonic-gate 48967c478bd9Sstevel@tonic-gate /* 48977c478bd9Sstevel@tonic-gate * no cached entry, initialize a numeral struct 48987c478bd9Sstevel@tonic-gate * by calling new_id() and cache onto the numeral_set 48997c478bd9Sstevel@tonic-gate */ 49007c478bd9Sstevel@tonic-gate numeral = s_malloc(sizeof (numeral_t)); 49017c478bd9Sstevel@tonic-gate numeral->id = new_id(set->headnumeral, type, min); 49027c478bd9Sstevel@tonic-gate numeral->full_path = s_strdup(devfs_path); 49037c478bd9Sstevel@tonic-gate numeral->rule_index = index; 49047c478bd9Sstevel@tonic-gate numeral->cmp_str = cmp_str; 49057c478bd9Sstevel@tonic-gate cmp_str = NULL; 49068d483882Smlf numeral->flags = 0; 49078d483882Smlf vprint(RSRV_MID, "%s: alloc new_id: %s numeral flags = %d\n", 49088d483882Smlf fcn, numeral->id, numeral->flags); 49098d483882Smlf 49107c478bd9Sstevel@tonic-gate 49117c478bd9Sstevel@tonic-gate /* insert to head of list for fast lookups */ 49127c478bd9Sstevel@tonic-gate numeral->next = set->headnumeral; 49137c478bd9Sstevel@tonic-gate set->headnumeral = numeral; 49147c478bd9Sstevel@tonic-gate 49157c478bd9Sstevel@tonic-gate *buf = s_strdup(numeral->id); 49167c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 49177c478bd9Sstevel@tonic-gate } 49187c478bd9Sstevel@tonic-gate 49197c478bd9Sstevel@tonic-gate 49207c478bd9Sstevel@tonic-gate /* 49217c478bd9Sstevel@tonic-gate * Looks up the specified cache for a match with a specified string 49227c478bd9Sstevel@tonic-gate * Returns: 49237c478bd9Sstevel@tonic-gate * -1 : on error. 49247c478bd9Sstevel@tonic-gate * 0/1/2 : Number of matches. 49257c478bd9Sstevel@tonic-gate * Returns the matching element only if there is a single match. 49267c478bd9Sstevel@tonic-gate * If the "uncached" flag is set, derives the "cmp_str" afresh 49277c478bd9Sstevel@tonic-gate * for the match instead of using cached values. 49287c478bd9Sstevel@tonic-gate */ 49297c478bd9Sstevel@tonic-gate static int 49307c478bd9Sstevel@tonic-gate lookup_enum_cache(numeral_set_t *set, char *cmp_str, 49317c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index, numeral_t **matchnpp) 49327c478bd9Sstevel@tonic-gate { 49337c478bd9Sstevel@tonic-gate int matchcount = 0, rv = -1; 49347c478bd9Sstevel@tonic-gate int uncached; 49357c478bd9Sstevel@tonic-gate numeral_t *np; 49367c478bd9Sstevel@tonic-gate char *fcn = "lookup_enum_cache"; 49377c478bd9Sstevel@tonic-gate char *cp; 49387c478bd9Sstevel@tonic-gate 49397c478bd9Sstevel@tonic-gate *matchnpp = NULL; 49407c478bd9Sstevel@tonic-gate 49417c478bd9Sstevel@tonic-gate assert(index < set->re_count); 49427c478bd9Sstevel@tonic-gate 49437c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 49447c478bd9Sstevel@tonic-gate return (-1); 49457c478bd9Sstevel@tonic-gate } 49467c478bd9Sstevel@tonic-gate 49477c478bd9Sstevel@tonic-gate uncached = 0; 49487c478bd9Sstevel@tonic-gate if ((rules[index].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 49497c478bd9Sstevel@tonic-gate uncached = 1; 49507c478bd9Sstevel@tonic-gate } 49517c478bd9Sstevel@tonic-gate 49527c478bd9Sstevel@tonic-gate /* 49537c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 49547c478bd9Sstevel@tonic-gate */ 49557c478bd9Sstevel@tonic-gate for (np = set->headnumeral; np != NULL; np = np->next) { 49568d483882Smlf 49578d483882Smlf /* 49588d483882Smlf * Skip reserved IDs 49598d483882Smlf */ 49608d483882Smlf if (np->flags & NUMERAL_RESERVED) { 49618d483882Smlf vprint(RSRV_MID, "lookup_enum_cache: " 49628d483882Smlf "Cannot Match with reserved ID (%s), " 49638d483882Smlf "skipping\n", np->id); 49648d483882Smlf assert(np->flags == NUMERAL_RESERVED); 49658d483882Smlf continue; 49668d483882Smlf } else { 49678d483882Smlf vprint(RSRV_MID, "lookup_enum_cache: " 49688d483882Smlf "Attempting match with numeral ID: %s" 49698d483882Smlf " numeral flags = %d\n", np->id, np->flags); 49708d483882Smlf assert(np->flags == 0); 49718d483882Smlf } 49728d483882Smlf 49737c478bd9Sstevel@tonic-gate if (np->cmp_str == NULL) { 49747c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid entry in enumerate" 49757c478bd9Sstevel@tonic-gate " cache. path: %s\n", fcn, np->full_path); 49767c478bd9Sstevel@tonic-gate return (-1); 49777c478bd9Sstevel@tonic-gate } 49787c478bd9Sstevel@tonic-gate 49797c478bd9Sstevel@tonic-gate if (uncached) { 49807c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: bypassing enumerate cache." 49817c478bd9Sstevel@tonic-gate " path: %s\n", fcn, cmp_str); 49827c478bd9Sstevel@tonic-gate cp = alloc_cmp_str(np->full_path, 49837c478bd9Sstevel@tonic-gate &rules[np->rule_index]); 49847c478bd9Sstevel@tonic-gate if (cp == NULL) 49857c478bd9Sstevel@tonic-gate return (-1); 49867c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, cp); 49877c478bd9Sstevel@tonic-gate free(cp); 49887c478bd9Sstevel@tonic-gate } else { 49897c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, np->cmp_str); 49907c478bd9Sstevel@tonic-gate } 49917c478bd9Sstevel@tonic-gate 49927c478bd9Sstevel@tonic-gate if (rv == 0) { 49937c478bd9Sstevel@tonic-gate if (matchcount++ != 0) { 49947c478bd9Sstevel@tonic-gate break; /* more than 1 match. */ 49957c478bd9Sstevel@tonic-gate } 49967c478bd9Sstevel@tonic-gate *matchnpp = np; 49977c478bd9Sstevel@tonic-gate } 49987c478bd9Sstevel@tonic-gate } 49997c478bd9Sstevel@tonic-gate 50007c478bd9Sstevel@tonic-gate return (matchcount); 50017c478bd9Sstevel@tonic-gate } 50027c478bd9Sstevel@tonic-gate 50037c478bd9Sstevel@tonic-gate #ifdef DEBUG 50047c478bd9Sstevel@tonic-gate static void 50057c478bd9Sstevel@tonic-gate dump_enum_cache(numeral_set_t *setp) 50067c478bd9Sstevel@tonic-gate { 50077c478bd9Sstevel@tonic-gate int i; 50087c478bd9Sstevel@tonic-gate numeral_t *np; 50097c478bd9Sstevel@tonic-gate char *fcn = "dump_enum_cache"; 50107c478bd9Sstevel@tonic-gate 50117c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re_count = %d\n", fcn, setp->re_count); 50127c478bd9Sstevel@tonic-gate for (i = 0; i < setp->re_count; i++) { 50137c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re[%d] = %s\n", fcn, i, setp->re[i]); 50147c478bd9Sstevel@tonic-gate } 50157c478bd9Sstevel@tonic-gate 50167c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 50177c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: id: %s\n", fcn, np->id); 50187c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: full_path: %s\n", fcn, np->full_path); 50197c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: rule_index: %d\n", fcn, np->rule_index); 50207c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: cmp_str: %s\n", fcn, np->cmp_str); 50218d483882Smlf vprint(ENUM_MID, "%s: flags: %d\n", fcn, np->flags); 50227c478bd9Sstevel@tonic-gate } 50237c478bd9Sstevel@tonic-gate } 50247c478bd9Sstevel@tonic-gate #endif 50257c478bd9Sstevel@tonic-gate 50267c478bd9Sstevel@tonic-gate /* 50277c478bd9Sstevel@tonic-gate * For a given set of regular expressions in rules[], this function returns 50287c478bd9Sstevel@tonic-gate * either a previously cached struct numeral_set or it will create and 50297c478bd9Sstevel@tonic-gate * cache a new struct numeral_set. There is only one struct numeral_set 50307c478bd9Sstevel@tonic-gate * for the combination of REs present in rules[]. Each numeral_set contains 50317c478bd9Sstevel@tonic-gate * the regular expressions in rules[] used for cache selection AND a linked 50327c478bd9Sstevel@tonic-gate * list of struct numerals, ONE FOR EACH *UNIQUE* numeral or character ID 50337c478bd9Sstevel@tonic-gate * selected by the grouping parenthesized subexpression found in the last 50347c478bd9Sstevel@tonic-gate * path component of each rules[].re. For example, the RE: "rmt/([0-9]+)" 50357c478bd9Sstevel@tonic-gate * selects all the logical nodes of the correct form in dev/rmt/. 50367c478bd9Sstevel@tonic-gate * Each rmt/X will store a *single* struct numeral... ie 0, 1, 2 each get a 50377c478bd9Sstevel@tonic-gate * single struct numeral. There is no need to store more than a single logical 50387c478bd9Sstevel@tonic-gate * node matching X since the information desired in the devfspath would be 50397c478bd9Sstevel@tonic-gate * identical for the portion of the devfspath of interest. (the part up to, 50407c478bd9Sstevel@tonic-gate * but not including the minor name in this example.) 50417c478bd9Sstevel@tonic-gate * 50427c478bd9Sstevel@tonic-gate * If the given numeral_set is not yet cached, call enumerate_recurse to 50437c478bd9Sstevel@tonic-gate * create it. 50447c478bd9Sstevel@tonic-gate */ 50457c478bd9Sstevel@tonic-gate static numeral_set_t * 50467c478bd9Sstevel@tonic-gate get_enum_cache(devfsadm_enumerate_t rules[], int nrules) 50477c478bd9Sstevel@tonic-gate { 50487c478bd9Sstevel@tonic-gate /* linked list of numeral sets */ 50497c478bd9Sstevel@tonic-gate numeral_set_t *setp; 50507c478bd9Sstevel@tonic-gate int i; 50518d483882Smlf int ret; 50527c478bd9Sstevel@tonic-gate char *path_left; 50538d483882Smlf enumerate_file_t *entry; 50547c478bd9Sstevel@tonic-gate char *fcn = "get_enum_cache"; 50557c478bd9Sstevel@tonic-gate 50567c478bd9Sstevel@tonic-gate /* 50577c478bd9Sstevel@tonic-gate * See if we've already cached this numeral set. 50587c478bd9Sstevel@tonic-gate */ 50597c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; setp = setp->next) { 50607c478bd9Sstevel@tonic-gate /* 50617c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 50627c478bd9Sstevel@tonic-gate * those in cached set. 50637c478bd9Sstevel@tonic-gate */ 50647c478bd9Sstevel@tonic-gate if (nrules != setp->re_count) { 50657c478bd9Sstevel@tonic-gate continue; 50667c478bd9Sstevel@tonic-gate } 50677c478bd9Sstevel@tonic-gate 50687c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 50697c478bd9Sstevel@tonic-gate if (strcmp(setp->re[i], rules[i].re) != 0) { 50707c478bd9Sstevel@tonic-gate break; 50717c478bd9Sstevel@tonic-gate } 50727c478bd9Sstevel@tonic-gate } 50737c478bd9Sstevel@tonic-gate 50747c478bd9Sstevel@tonic-gate if (i == nrules) { 50757c478bd9Sstevel@tonic-gate return (setp); 50767c478bd9Sstevel@tonic-gate } 50777c478bd9Sstevel@tonic-gate } 50787c478bd9Sstevel@tonic-gate 50797c478bd9Sstevel@tonic-gate /* 50807c478bd9Sstevel@tonic-gate * If the MATCH_UNCACHED flag is set, we should not be here. 50817c478bd9Sstevel@tonic-gate */ 50827c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 50837c478bd9Sstevel@tonic-gate if ((rules[i].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 50847c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: " 50857c478bd9Sstevel@tonic-gate "0x%x\n", fcn, rules[i].flags); 50867c478bd9Sstevel@tonic-gate return (NULL); 50877c478bd9Sstevel@tonic-gate } 50887c478bd9Sstevel@tonic-gate } 50897c478bd9Sstevel@tonic-gate 50907c478bd9Sstevel@tonic-gate /* 50917c478bd9Sstevel@tonic-gate * Since we made it here, we have not yet cached the given set of 50927c478bd9Sstevel@tonic-gate * logical nodes matching the passed re. Create a cached entry 50937c478bd9Sstevel@tonic-gate * struct numeral_set and populate it with a minimal set of 50947c478bd9Sstevel@tonic-gate * logical nodes from /dev. 50957c478bd9Sstevel@tonic-gate */ 50967c478bd9Sstevel@tonic-gate 50977c478bd9Sstevel@tonic-gate setp = s_malloc(sizeof (numeral_set_t)); 50987c478bd9Sstevel@tonic-gate setp->re = s_malloc(sizeof (char *) * nrules); 50997c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 51007c478bd9Sstevel@tonic-gate setp->re[i] = s_strdup(rules[i].re); 51017c478bd9Sstevel@tonic-gate } 51027c478bd9Sstevel@tonic-gate setp->re_count = nrules; 51037c478bd9Sstevel@tonic-gate setp->headnumeral = NULL; 51047c478bd9Sstevel@tonic-gate 51057c478bd9Sstevel@tonic-gate /* put this new cached set on the cached set list */ 51067c478bd9Sstevel@tonic-gate setp->next = head_numeral_set; 51077c478bd9Sstevel@tonic-gate head_numeral_set = setp; 51087c478bd9Sstevel@tonic-gate 51098d483882Smlf /* 51108d483882Smlf * For each RE, search the "reserved" list to create numeral IDs that 51118d483882Smlf * are reserved. 51128d483882Smlf */ 51138d483882Smlf for (entry = enumerate_reserved; entry; entry = entry->er_next) { 51148d483882Smlf 51158d483882Smlf vprint(RSRV_MID, "parsing rstring: %s\n", entry->er_file); 51168d483882Smlf 51178d483882Smlf for (i = 0; i < nrules; i++) { 51188d483882Smlf path_left = s_strdup(setp->re[i]); 51198d483882Smlf vprint(RSRV_MID, "parsing rule RE: %s\n", path_left); 51208d483882Smlf ret = enumerate_parse(entry->er_file, path_left, 51218d483882Smlf setp, rules, i); 51228d483882Smlf free(path_left); 51238d483882Smlf if (ret == 1) { 51248d483882Smlf /* 51258d483882Smlf * We found the reserved ID for this entry. 51268d483882Smlf * We still keep the entry since it is needed 51278d483882Smlf * by the new link bypass code in disks 51288d483882Smlf */ 51298d483882Smlf vprint(RSRV_MID, "found rsv ID: rstring: %s " 51308d483882Smlf "rule RE: %s\n", entry->er_file, path_left); 51318d483882Smlf break; 51328d483882Smlf } 51338d483882Smlf } 51348d483882Smlf } 51358d483882Smlf 51367c478bd9Sstevel@tonic-gate /* 51377c478bd9Sstevel@tonic-gate * For each RE, search disk and cache any matches on the 5138facf4a8dSllai * numeral list. 51397c478bd9Sstevel@tonic-gate */ 51407c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 51417c478bd9Sstevel@tonic-gate path_left = s_strdup(setp->re[i]); 5142facf4a8dSllai enumerate_recurse(dev_dir, path_left, setp, rules, i); 51437c478bd9Sstevel@tonic-gate free(path_left); 51447c478bd9Sstevel@tonic-gate } 51457c478bd9Sstevel@tonic-gate 51467c478bd9Sstevel@tonic-gate #ifdef DEBUG 51477c478bd9Sstevel@tonic-gate dump_enum_cache(setp); 51487c478bd9Sstevel@tonic-gate #endif 51497c478bd9Sstevel@tonic-gate 51507c478bd9Sstevel@tonic-gate return (setp); 51517c478bd9Sstevel@tonic-gate } 51527c478bd9Sstevel@tonic-gate 51537c478bd9Sstevel@tonic-gate 51547c478bd9Sstevel@tonic-gate /* 51557c478bd9Sstevel@tonic-gate * This function stats the pathname namebuf. If this is a directory 51567c478bd9Sstevel@tonic-gate * entry, we recurse down dname/fname until we find the first symbolic 51577c478bd9Sstevel@tonic-gate * link, and then stat and return it. This is valid for the same reason 51587c478bd9Sstevel@tonic-gate * that we only need to read a single pathname for multiple matching 51597c478bd9Sstevel@tonic-gate * logical ID's... ie, all the logical nodes should contain identical 51607c478bd9Sstevel@tonic-gate * physical paths for the parts we are interested. 51617c478bd9Sstevel@tonic-gate */ 51627c478bd9Sstevel@tonic-gate int 51637c478bd9Sstevel@tonic-gate get_stat_info(char *namebuf, struct stat *sb) 51647c478bd9Sstevel@tonic-gate { 51657c478bd9Sstevel@tonic-gate char *cp; 516673de625bSjg finddevhdl_t fhandle; 516773de625bSjg const char *fp; 51687c478bd9Sstevel@tonic-gate 51697c478bd9Sstevel@tonic-gate if (lstat(namebuf, sb) < 0) { 51707c478bd9Sstevel@tonic-gate (void) err_print(LSTAT_FAILED, namebuf, strerror(errno)); 51717c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 51727c478bd9Sstevel@tonic-gate } 51737c478bd9Sstevel@tonic-gate 51747c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFLNK) { 51757c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 51767c478bd9Sstevel@tonic-gate } 51777c478bd9Sstevel@tonic-gate 51787c478bd9Sstevel@tonic-gate /* 51797c478bd9Sstevel@tonic-gate * If it is a dir, recurse down until we find a link and 51807c478bd9Sstevel@tonic-gate * then use the link. 51817c478bd9Sstevel@tonic-gate */ 51827c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFDIR) { 51837c478bd9Sstevel@tonic-gate 518473de625bSjg if (finddev_readdir(namebuf, &fhandle) != 0) { 51857c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 51867c478bd9Sstevel@tonic-gate } 51877c478bd9Sstevel@tonic-gate 51887c478bd9Sstevel@tonic-gate /* 51897c478bd9Sstevel@tonic-gate * Search each dir entry looking for a symlink. Return 51907c478bd9Sstevel@tonic-gate * the first symlink found in namebuf. Recurse dirs. 51917c478bd9Sstevel@tonic-gate */ 519273de625bSjg while ((fp = finddev_next(fhandle)) != NULL) { 51937c478bd9Sstevel@tonic-gate cp = namebuf + strlen(namebuf); 5194facf4a8dSllai if ((strlcat(namebuf, "/", PATH_MAX) >= PATH_MAX) || 519573de625bSjg (strlcat(namebuf, fp, PATH_MAX) >= PATH_MAX)) { 5196facf4a8dSllai *cp = '\0'; 519773de625bSjg finddev_close(fhandle); 5198facf4a8dSllai return (DEVFSADM_FAILURE); 5199facf4a8dSllai } 52007c478bd9Sstevel@tonic-gate if (get_stat_info(namebuf, sb) == DEVFSADM_SUCCESS) { 520173de625bSjg finddev_close(fhandle); 52027c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 52037c478bd9Sstevel@tonic-gate } 52047c478bd9Sstevel@tonic-gate *cp = '\0'; 52057c478bd9Sstevel@tonic-gate } 520673de625bSjg finddev_close(fhandle); 52077c478bd9Sstevel@tonic-gate } 52087c478bd9Sstevel@tonic-gate 52097c478bd9Sstevel@tonic-gate /* no symlink found, so return error */ 52107c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 52117c478bd9Sstevel@tonic-gate } 52127c478bd9Sstevel@tonic-gate 52137c478bd9Sstevel@tonic-gate /* 52147c478bd9Sstevel@tonic-gate * An existing matching ID was not found, so this function is called to 52157c478bd9Sstevel@tonic-gate * create the next lowest ID. In the INTEGER case, return the next 52167c478bd9Sstevel@tonic-gate * lowest unused integer. In the case of LETTER, return the next lowest 52177c478bd9Sstevel@tonic-gate * unused letter. Return empty string if all 26 are used. 52187c478bd9Sstevel@tonic-gate * Only IDs >= min will be returned. 52197c478bd9Sstevel@tonic-gate */ 52207c478bd9Sstevel@tonic-gate char * 52217c478bd9Sstevel@tonic-gate new_id(numeral_t *numeral, int type, char *min) 52227c478bd9Sstevel@tonic-gate { 52237c478bd9Sstevel@tonic-gate int imin; 52247c478bd9Sstevel@tonic-gate temp_t *temp; 52257c478bd9Sstevel@tonic-gate temp_t *ptr; 52267c478bd9Sstevel@tonic-gate temp_t **previous; 52277c478bd9Sstevel@tonic-gate temp_t *head = NULL; 52287c478bd9Sstevel@tonic-gate char *retval; 52297c478bd9Sstevel@tonic-gate static char tempbuff[8]; 52307c478bd9Sstevel@tonic-gate numeral_t *np; 52317c478bd9Sstevel@tonic-gate 52327c478bd9Sstevel@tonic-gate if (type == LETTER) { 52337c478bd9Sstevel@tonic-gate 52347c478bd9Sstevel@tonic-gate char letter[26], i; 52357c478bd9Sstevel@tonic-gate 52367c478bd9Sstevel@tonic-gate if (numeral == NULL) { 52377c478bd9Sstevel@tonic-gate return (s_strdup(min)); 52387c478bd9Sstevel@tonic-gate } 52397c478bd9Sstevel@tonic-gate 52407c478bd9Sstevel@tonic-gate for (i = 0; i < 26; i++) { 52417c478bd9Sstevel@tonic-gate letter[i] = 0; 52427c478bd9Sstevel@tonic-gate } 52437c478bd9Sstevel@tonic-gate 52447c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 52458d483882Smlf assert(np->flags == 0 || 52468d483882Smlf np->flags == NUMERAL_RESERVED); 52477c478bd9Sstevel@tonic-gate letter[*np->id - 'a']++; 52487c478bd9Sstevel@tonic-gate } 52497c478bd9Sstevel@tonic-gate 52507c478bd9Sstevel@tonic-gate imin = *min - 'a'; 52517c478bd9Sstevel@tonic-gate 52527c478bd9Sstevel@tonic-gate for (i = imin; i < 26; i++) { 52537c478bd9Sstevel@tonic-gate if (letter[i] == 0) { 52547c478bd9Sstevel@tonic-gate retval = s_malloc(2); 52557c478bd9Sstevel@tonic-gate retval[0] = 'a' + i; 52567c478bd9Sstevel@tonic-gate retval[1] = '\0'; 52577c478bd9Sstevel@tonic-gate return (retval); 52587c478bd9Sstevel@tonic-gate } 52597c478bd9Sstevel@tonic-gate } 52607c478bd9Sstevel@tonic-gate 52617c478bd9Sstevel@tonic-gate return (s_strdup("")); 52627c478bd9Sstevel@tonic-gate } 52637c478bd9Sstevel@tonic-gate 52647c478bd9Sstevel@tonic-gate if (type == INTEGER) { 52657c478bd9Sstevel@tonic-gate 52667c478bd9Sstevel@tonic-gate if (numeral == NULL) { 52677c478bd9Sstevel@tonic-gate return (s_strdup(min)); 52687c478bd9Sstevel@tonic-gate } 52697c478bd9Sstevel@tonic-gate 52707c478bd9Sstevel@tonic-gate imin = atoi(min); 52717c478bd9Sstevel@tonic-gate 52727c478bd9Sstevel@tonic-gate /* sort list */ 52737c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 52748d483882Smlf assert(np->flags == 0 || 52758d483882Smlf np->flags == NUMERAL_RESERVED); 52767c478bd9Sstevel@tonic-gate temp = s_malloc(sizeof (temp_t)); 52777c478bd9Sstevel@tonic-gate temp->integer = atoi(np->id); 52787c478bd9Sstevel@tonic-gate temp->next = NULL; 52797c478bd9Sstevel@tonic-gate 52807c478bd9Sstevel@tonic-gate previous = &head; 52817c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 52827c478bd9Sstevel@tonic-gate if (temp->integer < ptr->integer) { 52837c478bd9Sstevel@tonic-gate temp->next = ptr; 52847c478bd9Sstevel@tonic-gate *previous = temp; 52857c478bd9Sstevel@tonic-gate break; 52867c478bd9Sstevel@tonic-gate } 52877c478bd9Sstevel@tonic-gate previous = &(ptr->next); 52887c478bd9Sstevel@tonic-gate } 52897c478bd9Sstevel@tonic-gate if (ptr == NULL) { 52907c478bd9Sstevel@tonic-gate *previous = temp; 52917c478bd9Sstevel@tonic-gate } 52927c478bd9Sstevel@tonic-gate } 52937c478bd9Sstevel@tonic-gate 52947c478bd9Sstevel@tonic-gate /* now search sorted list for first hole >= imin */ 52957c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 52967c478bd9Sstevel@tonic-gate if (imin == ptr->integer) { 52977c478bd9Sstevel@tonic-gate imin++; 52987c478bd9Sstevel@tonic-gate } else { 52997c478bd9Sstevel@tonic-gate if (imin < ptr->integer) { 53007c478bd9Sstevel@tonic-gate break; 53017c478bd9Sstevel@tonic-gate } 53027c478bd9Sstevel@tonic-gate } 53037c478bd9Sstevel@tonic-gate 53047c478bd9Sstevel@tonic-gate } 53057c478bd9Sstevel@tonic-gate 53067c478bd9Sstevel@tonic-gate /* free temp list */ 53077c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ) { 53087c478bd9Sstevel@tonic-gate temp = ptr; 53097c478bd9Sstevel@tonic-gate ptr = ptr->next; 53107c478bd9Sstevel@tonic-gate free(temp); 53117c478bd9Sstevel@tonic-gate } 53127c478bd9Sstevel@tonic-gate 53137c478bd9Sstevel@tonic-gate (void) sprintf(tempbuff, "%d", imin); 53147c478bd9Sstevel@tonic-gate return (s_strdup(tempbuff)); 53157c478bd9Sstevel@tonic-gate } 53167c478bd9Sstevel@tonic-gate 53177c478bd9Sstevel@tonic-gate return (s_strdup("")); 53187c478bd9Sstevel@tonic-gate } 53197c478bd9Sstevel@tonic-gate 53208d483882Smlf static int 53218d483882Smlf enumerate_parse(char *rsvstr, char *path_left, numeral_set_t *setp, 53228d483882Smlf devfsadm_enumerate_t rules[], int index) 53238d483882Smlf { 53248d483882Smlf char *slash1 = NULL; 53258d483882Smlf char *slash2 = NULL; 53268d483882Smlf char *numeral_id; 53278d483882Smlf char *path_left_save; 53288d483882Smlf char *rsvstr_save; 53298d483882Smlf int ret = 0; 53308d483882Smlf static int warned = 0; 53318d483882Smlf 53328d483882Smlf rsvstr_save = rsvstr; 53338d483882Smlf path_left_save = path_left; 53348d483882Smlf 53358d483882Smlf if (rsvstr == NULL || rsvstr[0] == '\0' || rsvstr[0] == '/') { 53368d483882Smlf if (!warned) { 53378d483882Smlf err_print("invalid reserved filepath: %s\n", 53388d483882Smlf rsvstr ? rsvstr : "<NULL>"); 53398d483882Smlf warned = 1; 53408d483882Smlf } 53418d483882Smlf return (0); 53428d483882Smlf } 53438d483882Smlf 53448d483882Smlf vprint(RSRV_MID, "processing rule: %s, rstring: %s\n", 53458d483882Smlf path_left, rsvstr); 53468d483882Smlf 53478d483882Smlf 53488d483882Smlf for (;;) { 53498d483882Smlf /* get rid of any extra '/' in the reserve string */ 53508d483882Smlf while (*rsvstr == '/') { 53518d483882Smlf rsvstr++; 53528d483882Smlf } 53538d483882Smlf 53548d483882Smlf /* get rid of any extra '/' in the RE */ 53558d483882Smlf while (*path_left == '/') { 53568d483882Smlf path_left++; 53578d483882Smlf } 53588d483882Smlf 53598d483882Smlf if (slash1 = strchr(path_left, '/')) { 53608d483882Smlf *slash1 = '\0'; 53618d483882Smlf } 53628d483882Smlf if (slash2 = strchr(rsvstr, '/')) { 53638d483882Smlf *slash2 = '\0'; 53648d483882Smlf } 53658d483882Smlf 53668d483882Smlf if ((slash1 != NULL) ^ (slash2 != NULL)) { 53678d483882Smlf ret = 0; 53688d483882Smlf vprint(RSRV_MID, "mismatch in # of path components\n"); 53698d483882Smlf goto out; 53708d483882Smlf } 53718d483882Smlf 53728d483882Smlf /* 53738d483882Smlf * Returns true if path_left matches the list entry. 53748d483882Smlf * If it is the last path component, pass subexp 53758d483882Smlf * so that it will return the corresponding ID in 53768d483882Smlf * numeral_id. 53778d483882Smlf */ 53788d483882Smlf numeral_id = NULL; 53798d483882Smlf if (match_path_component(path_left, rsvstr, &numeral_id, 53800a653502Swroche slash1 ? 0 : rules[index].subexp)) { 53818d483882Smlf 53828d483882Smlf /* We have a match. */ 53838d483882Smlf if (slash1 == NULL) { 53848d483882Smlf /* Is last path component */ 53858d483882Smlf vprint(RSRV_MID, "match and last component\n"); 53868d483882Smlf create_reserved_numeral(setp, numeral_id); 53878d483882Smlf if (numeral_id != NULL) { 53888d483882Smlf free(numeral_id); 53898d483882Smlf } 53908d483882Smlf ret = 1; 53918d483882Smlf goto out; 53928d483882Smlf } else { 53938d483882Smlf /* Not last path component. Continue parsing */ 53948d483882Smlf *slash1 = '/'; 53958d483882Smlf *slash2 = '/'; 53968d483882Smlf path_left = slash1 + 1; 53978d483882Smlf rsvstr = slash2 + 1; 53988d483882Smlf vprint(RSRV_MID, 53998d483882Smlf "match and NOT last component\n"); 54008d483882Smlf continue; 54018d483882Smlf } 54028d483882Smlf } else { 54038d483882Smlf /* No match */ 54048d483882Smlf ret = 0; 54058d483882Smlf vprint(RSRV_MID, "No match: rule RE = %s, " 54068d483882Smlf "rstring = %s\n", path_left, rsvstr); 54078d483882Smlf goto out; 54088d483882Smlf } 54098d483882Smlf } 54108d483882Smlf 54118d483882Smlf out: 54128d483882Smlf if (slash1) 54138d483882Smlf *slash1 = '/'; 54148d483882Smlf if (slash2) 54158d483882Smlf *slash2 = '/'; 54168d483882Smlf 54178d483882Smlf if (ret == 1) { 54188d483882Smlf vprint(RSRV_MID, "match: rule RE: %s, rstring: %s\n", 54198d483882Smlf path_left_save, rsvstr_save); 54208d483882Smlf } else { 54218d483882Smlf vprint(RSRV_MID, "NO match: rule RE: %s, rstring: %s\n", 54228d483882Smlf path_left_save, rsvstr_save); 54238d483882Smlf } 54248d483882Smlf 54258d483882Smlf return (ret); 54268d483882Smlf } 54278d483882Smlf 54287c478bd9Sstevel@tonic-gate /* 54297c478bd9Sstevel@tonic-gate * Search current_dir for all files which match the first path component 54307c478bd9Sstevel@tonic-gate * of path_left, which is an RE. If a match is found, but there are more 54317c478bd9Sstevel@tonic-gate * components of path_left, then recurse, otherwise, if we have reached 54327c478bd9Sstevel@tonic-gate * the last component of path_left, call create_cached_numerals for each 54337c478bd9Sstevel@tonic-gate * file. At some point, recurse_dev_re() should be rewritten so that this 54347c478bd9Sstevel@tonic-gate * function can be eliminated. 54357c478bd9Sstevel@tonic-gate */ 54367c478bd9Sstevel@tonic-gate static void 54377c478bd9Sstevel@tonic-gate enumerate_recurse(char *current_dir, char *path_left, numeral_set_t *setp, 54387c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 54397c478bd9Sstevel@tonic-gate { 54407c478bd9Sstevel@tonic-gate char *slash; 54417c478bd9Sstevel@tonic-gate char *new_path; 54427c478bd9Sstevel@tonic-gate char *numeral_id; 544373de625bSjg finddevhdl_t fhandle; 544473de625bSjg const char *fp; 54457c478bd9Sstevel@tonic-gate 544673de625bSjg if (finddev_readdir(current_dir, &fhandle) != 0) { 54477c478bd9Sstevel@tonic-gate return; 54487c478bd9Sstevel@tonic-gate } 54497c478bd9Sstevel@tonic-gate 54507c478bd9Sstevel@tonic-gate /* get rid of any extra '/' */ 54517c478bd9Sstevel@tonic-gate while (*path_left == '/') { 54527c478bd9Sstevel@tonic-gate path_left++; 54537c478bd9Sstevel@tonic-gate } 54547c478bd9Sstevel@tonic-gate 54557c478bd9Sstevel@tonic-gate if (slash = strchr(path_left, '/')) { 54567c478bd9Sstevel@tonic-gate *slash = '\0'; 54577c478bd9Sstevel@tonic-gate } 54587c478bd9Sstevel@tonic-gate 545973de625bSjg while ((fp = finddev_next(fhandle)) != NULL) { 54607c478bd9Sstevel@tonic-gate 54617c478bd9Sstevel@tonic-gate /* 5462facf4a8dSllai * Returns true if path_left matches the list entry. 54637c478bd9Sstevel@tonic-gate * If it is the last path component, pass subexp 54647c478bd9Sstevel@tonic-gate * so that it will return the corresponding ID in 54657c478bd9Sstevel@tonic-gate * numeral_id. 54667c478bd9Sstevel@tonic-gate */ 54677c478bd9Sstevel@tonic-gate numeral_id = NULL; 546873de625bSjg if (match_path_component(path_left, (char *)fp, &numeral_id, 54690a653502Swroche slash ? 0 : rules[index].subexp)) { 54707c478bd9Sstevel@tonic-gate 54717c478bd9Sstevel@tonic-gate new_path = s_malloc(strlen(current_dir) + 547273de625bSjg strlen(fp) + 2); 54737c478bd9Sstevel@tonic-gate 54747c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 54757c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 547673de625bSjg (void) strcat(new_path, fp); 54777c478bd9Sstevel@tonic-gate 54787c478bd9Sstevel@tonic-gate if (slash != NULL) { 54797c478bd9Sstevel@tonic-gate enumerate_recurse(new_path, slash + 1, 54807c478bd9Sstevel@tonic-gate setp, rules, index); 54817c478bd9Sstevel@tonic-gate } else { 54827c478bd9Sstevel@tonic-gate create_cached_numeral(new_path, setp, 54837c478bd9Sstevel@tonic-gate numeral_id, rules, index); 54847c478bd9Sstevel@tonic-gate if (numeral_id != NULL) { 54857c478bd9Sstevel@tonic-gate free(numeral_id); 54867c478bd9Sstevel@tonic-gate } 54877c478bd9Sstevel@tonic-gate } 54887c478bd9Sstevel@tonic-gate free(new_path); 54897c478bd9Sstevel@tonic-gate } 54907c478bd9Sstevel@tonic-gate } 54917c478bd9Sstevel@tonic-gate 54927c478bd9Sstevel@tonic-gate if (slash != NULL) { 54937c478bd9Sstevel@tonic-gate *slash = '/'; 54947c478bd9Sstevel@tonic-gate } 549573de625bSjg finddev_close(fhandle); 54967c478bd9Sstevel@tonic-gate } 54977c478bd9Sstevel@tonic-gate 54987c478bd9Sstevel@tonic-gate 54997c478bd9Sstevel@tonic-gate /* 55007c478bd9Sstevel@tonic-gate * Returns true if file matches file_re. If subexp is non-zero, it means 55017c478bd9Sstevel@tonic-gate * we are searching the last path component and need to return the 55027c478bd9Sstevel@tonic-gate * parenthesized subexpression subexp in id. 55037c478bd9Sstevel@tonic-gate * 55047c478bd9Sstevel@tonic-gate */ 55057c478bd9Sstevel@tonic-gate static int 55067c478bd9Sstevel@tonic-gate match_path_component(char *file_re, char *file, char **id, int subexp) 55077c478bd9Sstevel@tonic-gate { 55087c478bd9Sstevel@tonic-gate regex_t re1; 55097c478bd9Sstevel@tonic-gate int match = 0; 55107c478bd9Sstevel@tonic-gate int nelements; 55117c478bd9Sstevel@tonic-gate regmatch_t *pmatch; 55127c478bd9Sstevel@tonic-gate 55137c478bd9Sstevel@tonic-gate if (subexp != 0) { 55147c478bd9Sstevel@tonic-gate nelements = subexp + 1; 55150a653502Swroche pmatch = 55160a653502Swroche (regmatch_t *)s_malloc(sizeof (regmatch_t) * nelements); 55177c478bd9Sstevel@tonic-gate } else { 55187c478bd9Sstevel@tonic-gate pmatch = NULL; 55197c478bd9Sstevel@tonic-gate nelements = 0; 55207c478bd9Sstevel@tonic-gate } 55217c478bd9Sstevel@tonic-gate 55227c478bd9Sstevel@tonic-gate if (regcomp(&re1, file_re, REG_EXTENDED) != 0) { 55237c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 55247c478bd9Sstevel@tonic-gate free(pmatch); 55257c478bd9Sstevel@tonic-gate } 55267c478bd9Sstevel@tonic-gate return (0); 55277c478bd9Sstevel@tonic-gate } 55287c478bd9Sstevel@tonic-gate 55297c478bd9Sstevel@tonic-gate if (regexec(&re1, file, nelements, pmatch, 0) == 0) { 55307c478bd9Sstevel@tonic-gate match = 1; 55317c478bd9Sstevel@tonic-gate } 55327c478bd9Sstevel@tonic-gate 55337c478bd9Sstevel@tonic-gate if ((match != 0) && (subexp != 0)) { 55347c478bd9Sstevel@tonic-gate int size = pmatch[subexp].rm_eo - pmatch[subexp].rm_so; 55357c478bd9Sstevel@tonic-gate *id = s_malloc(size + 1); 55367c478bd9Sstevel@tonic-gate (void) strncpy(*id, &file[pmatch[subexp].rm_so], size); 55377c478bd9Sstevel@tonic-gate (*id)[size] = '\0'; 55387c478bd9Sstevel@tonic-gate } 55397c478bd9Sstevel@tonic-gate 55407c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 55417c478bd9Sstevel@tonic-gate free(pmatch); 55427c478bd9Sstevel@tonic-gate } 55437c478bd9Sstevel@tonic-gate regfree(&re1); 55447c478bd9Sstevel@tonic-gate return (match); 55457c478bd9Sstevel@tonic-gate } 55467c478bd9Sstevel@tonic-gate 55478d483882Smlf static void 55488d483882Smlf create_reserved_numeral(numeral_set_t *setp, char *numeral_id) 55498d483882Smlf { 55508d483882Smlf numeral_t *np; 55518d483882Smlf 55528d483882Smlf vprint(RSRV_MID, "Attempting to create reserved numeral: %s\n", 55538d483882Smlf numeral_id); 55548d483882Smlf 55558d483882Smlf /* 55568d483882Smlf * We found a numeral_id from an entry in the enumerate_reserved file 55578d483882Smlf * which matched the re passed in from devfsadm_enumerate. We only 55588d483882Smlf * need to make sure ONE copy of numeral_id exists on the numeral list. 55598d483882Smlf * We only need to store /dev/dsk/cNtod0s0 and no other entries 55608d483882Smlf * hanging off of controller N. 55618d483882Smlf */ 55628d483882Smlf for (np = setp->headnumeral; np != NULL; np = np->next) { 55638d483882Smlf if (strcmp(numeral_id, np->id) == 0) { 55648d483882Smlf vprint(RSRV_MID, "ID: %s, already reserved\n", np->id); 55658d483882Smlf assert(np->flags == NUMERAL_RESERVED); 55668d483882Smlf return; 55678d483882Smlf } else { 55688d483882Smlf assert(np->flags == 0 || 55698d483882Smlf np->flags == NUMERAL_RESERVED); 55708d483882Smlf } 55718d483882Smlf } 55728d483882Smlf 55738d483882Smlf /* NOT on list, so add it */ 55748d483882Smlf np = s_malloc(sizeof (numeral_t)); 55758d483882Smlf np->id = s_strdup(numeral_id); 55768d483882Smlf np->full_path = NULL; 55778d483882Smlf np->rule_index = 0; 55788d483882Smlf np->cmp_str = NULL; 55798d483882Smlf np->flags = NUMERAL_RESERVED; 55808d483882Smlf np->next = setp->headnumeral; 55818d483882Smlf setp->headnumeral = np; 55828d483882Smlf 55838d483882Smlf vprint(RSRV_MID, "Reserved numeral ID: %s\n", np->id); 55848d483882Smlf } 55858d483882Smlf 55867c478bd9Sstevel@tonic-gate /* 55877c478bd9Sstevel@tonic-gate * This function is called for every file which matched the leaf 55887c478bd9Sstevel@tonic-gate * component of the RE. If the "numeral_id" is not already on the 55897c478bd9Sstevel@tonic-gate * numeral set's numeral list, add it and its physical path. 55907c478bd9Sstevel@tonic-gate */ 55917c478bd9Sstevel@tonic-gate static void 55927c478bd9Sstevel@tonic-gate create_cached_numeral(char *path, numeral_set_t *setp, char *numeral_id, 55937c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 55947c478bd9Sstevel@tonic-gate { 55957c478bd9Sstevel@tonic-gate char linkbuf[PATH_MAX + 1]; 55967c478bd9Sstevel@tonic-gate char lpath[PATH_MAX + 1]; 55977c478bd9Sstevel@tonic-gate char *linkptr, *cmp_str; 55987c478bd9Sstevel@tonic-gate numeral_t *np; 55997c478bd9Sstevel@tonic-gate int linksize; 56007c478bd9Sstevel@tonic-gate struct stat sb; 56017c478bd9Sstevel@tonic-gate const char *fcn = "create_cached_numeral"; 56027c478bd9Sstevel@tonic-gate 56037c478bd9Sstevel@tonic-gate assert(index >= 0 && index < setp->re_count); 56047c478bd9Sstevel@tonic-gate assert(strcmp(rules[index].re, setp->re[index]) == 0); 56057c478bd9Sstevel@tonic-gate 56067c478bd9Sstevel@tonic-gate /* 56077c478bd9Sstevel@tonic-gate * We found a numeral_id from an entry in /dev which matched 56087c478bd9Sstevel@tonic-gate * the re passed in from devfsadm_enumerate. We only need to make sure 56097c478bd9Sstevel@tonic-gate * ONE copy of numeral_id exists on the numeral list. We only need 56107c478bd9Sstevel@tonic-gate * to store /dev/dsk/cNtod0s0 and no other entries hanging off 56117c478bd9Sstevel@tonic-gate * of controller N. 56127c478bd9Sstevel@tonic-gate */ 56137c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 56148d483882Smlf assert(np->flags == 0 || np->flags == NUMERAL_RESERVED); 56157c478bd9Sstevel@tonic-gate if (strcmp(numeral_id, np->id) == 0) { 56168d483882Smlf /* 56178d483882Smlf * Note that we can't assert that the flags field 56188d483882Smlf * of the numeral is 0, since both reserved and 56198d483882Smlf * unreserved links in /dev come here 56208d483882Smlf */ 56218d483882Smlf if (np->flags == NUMERAL_RESERVED) { 56228d483882Smlf vprint(RSRV_MID, "ID derived from /dev link is" 56238d483882Smlf " reserved: %s\n", np->id); 56248d483882Smlf } else { 56258d483882Smlf vprint(RSRV_MID, "ID derived from /dev link is" 56268d483882Smlf " NOT reserved: %s\n", np->id); 56278d483882Smlf } 56287c478bd9Sstevel@tonic-gate return; 56297c478bd9Sstevel@tonic-gate } 56307c478bd9Sstevel@tonic-gate } 56317c478bd9Sstevel@tonic-gate 56327c478bd9Sstevel@tonic-gate /* NOT on list, so add it */ 56337c478bd9Sstevel@tonic-gate 56347c478bd9Sstevel@tonic-gate (void) strcpy(lpath, path); 56357c478bd9Sstevel@tonic-gate /* 56367c478bd9Sstevel@tonic-gate * If path is a dir, it is changed to the first symbolic link it find 56377c478bd9Sstevel@tonic-gate * if it finds one. 56387c478bd9Sstevel@tonic-gate */ 56397c478bd9Sstevel@tonic-gate if (get_stat_info(lpath, &sb) == DEVFSADM_FAILURE) { 56407c478bd9Sstevel@tonic-gate return; 56417c478bd9Sstevel@tonic-gate } 56427c478bd9Sstevel@tonic-gate 56437c478bd9Sstevel@tonic-gate /* If we get here, we found a symlink */ 56447c478bd9Sstevel@tonic-gate linksize = readlink(lpath, linkbuf, PATH_MAX); 56457c478bd9Sstevel@tonic-gate 56467c478bd9Sstevel@tonic-gate if (linksize <= 0) { 56477c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, lpath, strerror(errno)); 56487c478bd9Sstevel@tonic-gate return; 56497c478bd9Sstevel@tonic-gate } 56507c478bd9Sstevel@tonic-gate 56517c478bd9Sstevel@tonic-gate linkbuf[linksize] = '\0'; 56527c478bd9Sstevel@tonic-gate 56537c478bd9Sstevel@tonic-gate /* 56547c478bd9Sstevel@tonic-gate * the following just points linkptr to the root of the /devices 56557c478bd9Sstevel@tonic-gate * node if it is a minor node, otherwise, to the first char of 56567c478bd9Sstevel@tonic-gate * linkbuf if it is a link. 56577c478bd9Sstevel@tonic-gate */ 56587c478bd9Sstevel@tonic-gate (void) is_minor_node(linkbuf, &linkptr); 56597c478bd9Sstevel@tonic-gate 56607c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(linkptr, &rules[index]); 56617c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 56627c478bd9Sstevel@tonic-gate return; 56637c478bd9Sstevel@tonic-gate } 56647c478bd9Sstevel@tonic-gate 56657c478bd9Sstevel@tonic-gate np = s_malloc(sizeof (numeral_t)); 56667c478bd9Sstevel@tonic-gate 56677c478bd9Sstevel@tonic-gate np->id = s_strdup(numeral_id); 56687c478bd9Sstevel@tonic-gate np->full_path = s_strdup(linkptr); 56697c478bd9Sstevel@tonic-gate np->rule_index = index; 56707c478bd9Sstevel@tonic-gate np->cmp_str = cmp_str; 56718d483882Smlf np->flags = 0; 56727c478bd9Sstevel@tonic-gate 56737c478bd9Sstevel@tonic-gate np->next = setp->headnumeral; 56747c478bd9Sstevel@tonic-gate setp->headnumeral = np; 56757c478bd9Sstevel@tonic-gate } 56767c478bd9Sstevel@tonic-gate 56777c478bd9Sstevel@tonic-gate 56787c478bd9Sstevel@tonic-gate /* 56797c478bd9Sstevel@tonic-gate * This should be called either before or after granting access to a 56807c478bd9Sstevel@tonic-gate * command line version of devfsadm running, since it may have changed 56817c478bd9Sstevel@tonic-gate * the state of /dev. It forces future enumerate calls to re-build 56827c478bd9Sstevel@tonic-gate * cached information from /dev. 56837c478bd9Sstevel@tonic-gate */ 56847c478bd9Sstevel@tonic-gate void 56857c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(void) 56867c478bd9Sstevel@tonic-gate { 56877c478bd9Sstevel@tonic-gate numeral_set_t *setp; 56887c478bd9Sstevel@tonic-gate numeral_set_t *savedsetp; 56897c478bd9Sstevel@tonic-gate numeral_t *savednumset; 56907c478bd9Sstevel@tonic-gate numeral_t *numset; 56917c478bd9Sstevel@tonic-gate int i; 56927c478bd9Sstevel@tonic-gate 56937c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; ) { 56947c478bd9Sstevel@tonic-gate /* 56957c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 56967c478bd9Sstevel@tonic-gate * those in cached set. 56977c478bd9Sstevel@tonic-gate */ 56987c478bd9Sstevel@tonic-gate 56997c478bd9Sstevel@tonic-gate savedsetp = setp; 57007c478bd9Sstevel@tonic-gate setp = setp->next; 57017c478bd9Sstevel@tonic-gate 57027c478bd9Sstevel@tonic-gate for (i = 0; i < savedsetp->re_count; i++) { 57037c478bd9Sstevel@tonic-gate free(savedsetp->re[i]); 57047c478bd9Sstevel@tonic-gate } 57057c478bd9Sstevel@tonic-gate free(savedsetp->re); 57067c478bd9Sstevel@tonic-gate 57077c478bd9Sstevel@tonic-gate for (numset = savedsetp->headnumeral; numset != NULL; ) { 57087c478bd9Sstevel@tonic-gate savednumset = numset; 57097c478bd9Sstevel@tonic-gate numset = numset->next; 57107c478bd9Sstevel@tonic-gate assert(savednumset->rule_index < savedsetp->re_count); 57117c478bd9Sstevel@tonic-gate free(savednumset->id); 57127c478bd9Sstevel@tonic-gate free(savednumset->full_path); 57137c478bd9Sstevel@tonic-gate free(savednumset->cmp_str); 57147c478bd9Sstevel@tonic-gate free(savednumset); 57157c478bd9Sstevel@tonic-gate } 57167c478bd9Sstevel@tonic-gate free(savedsetp); 57177c478bd9Sstevel@tonic-gate } 57187c478bd9Sstevel@tonic-gate head_numeral_set = NULL; 57197c478bd9Sstevel@tonic-gate } 57207c478bd9Sstevel@tonic-gate 57217c478bd9Sstevel@tonic-gate /* 57227c478bd9Sstevel@tonic-gate * Copies over links from /dev to <root>/dev and device special files in 57237c478bd9Sstevel@tonic-gate * /devices to <root>/devices, preserving the existing file modes. If 57247c478bd9Sstevel@tonic-gate * the link or special file already exists on <root>, skip the copy. (it 57257c478bd9Sstevel@tonic-gate * would exist only if a package hard coded it there, so assume package 57267c478bd9Sstevel@tonic-gate * knows best?). Use /etc/name_to_major and <root>/etc/name_to_major to 57277c478bd9Sstevel@tonic-gate * make translations for major numbers on device special files. No need to 57287c478bd9Sstevel@tonic-gate * make a translation on minor_perm since if the file was created in the 57297c478bd9Sstevel@tonic-gate * miniroot then it would presumably have the same minor_perm entry in 57307c478bd9Sstevel@tonic-gate * <root>/etc/minor_perm. To be used only by install. 57317c478bd9Sstevel@tonic-gate */ 57327c478bd9Sstevel@tonic-gate int 57337c478bd9Sstevel@tonic-gate devfsadm_copy(void) 57347c478bd9Sstevel@tonic-gate { 57357c478bd9Sstevel@tonic-gate char filename[PATH_MAX + 1]; 57367c478bd9Sstevel@tonic-gate 57377c478bd9Sstevel@tonic-gate /* load the installed root's name_to_major for translations */ 57387c478bd9Sstevel@tonic-gate (void) snprintf(filename, sizeof (filename), "%s%s", root_dir, 57397c478bd9Sstevel@tonic-gate NAME_TO_MAJOR); 57407c478bd9Sstevel@tonic-gate if (load_n2m_table(filename) == DEVFSADM_FAILURE) { 57417c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 57427c478bd9Sstevel@tonic-gate } 57437c478bd9Sstevel@tonic-gate 57447c478bd9Sstevel@tonic-gate /* Copy /dev to target disk. No need to copy /devices with devfs */ 57457c478bd9Sstevel@tonic-gate (void) nftw(DEV, devfsadm_copy_file, 20, FTW_PHYS); 57467c478bd9Sstevel@tonic-gate 57477c478bd9Sstevel@tonic-gate /* Let install handle copying over path_to_inst */ 57487c478bd9Sstevel@tonic-gate 57497c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57507c478bd9Sstevel@tonic-gate } 57517c478bd9Sstevel@tonic-gate 57527c478bd9Sstevel@tonic-gate /* 57537c478bd9Sstevel@tonic-gate * This function copies links, dirs, and device special files. 57547c478bd9Sstevel@tonic-gate * Note that it always returns DEVFSADM_SUCCESS, so that nftw doesn't 57557c478bd9Sstevel@tonic-gate * abort. 57567c478bd9Sstevel@tonic-gate */ 57577c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 57587c478bd9Sstevel@tonic-gate static int 57597c478bd9Sstevel@tonic-gate devfsadm_copy_file(const char *file, const struct stat *stat, 57607c478bd9Sstevel@tonic-gate int flags, struct FTW *ftw) 57617c478bd9Sstevel@tonic-gate { 57627c478bd9Sstevel@tonic-gate struct stat sp; 57637c478bd9Sstevel@tonic-gate dev_t newdev; 57647c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 57657c478bd9Sstevel@tonic-gate char linkcontents[PATH_MAX + 1]; 57667c478bd9Sstevel@tonic-gate int bytes; 57677c478bd9Sstevel@tonic-gate const char *fcn = "devfsadm_copy_file"; 57687c478bd9Sstevel@tonic-gate 57697c478bd9Sstevel@tonic-gate (void) strcpy(newfile, root_dir); 57707c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 57717c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 57727c478bd9Sstevel@tonic-gate 57737c478bd9Sstevel@tonic-gate if (lstat(newfile, &sp) == 0) { 57747c478bd9Sstevel@tonic-gate /* newfile already exists, so no need to continue */ 57757c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57767c478bd9Sstevel@tonic-gate } 57777c478bd9Sstevel@tonic-gate 57787c478bd9Sstevel@tonic-gate if (((stat->st_mode & S_IFMT) == S_IFBLK) || 57797c478bd9Sstevel@tonic-gate ((stat->st_mode & S_IFMT) == S_IFCHR)) { 57807c478bd9Sstevel@tonic-gate if (translate_major(stat->st_rdev, &newdev) == 57817c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 57827c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57837c478bd9Sstevel@tonic-gate } 57847c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, newdev) == -1) { 57857c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 57867c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57877c478bd9Sstevel@tonic-gate } 57887c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFDIR) { 57897c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, 0) == -1) { 57907c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 57917c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57927c478bd9Sstevel@tonic-gate } 57937c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFLNK) { 57947c478bd9Sstevel@tonic-gate if ((bytes = readlink(file, linkcontents, PATH_MAX)) == -1) { 57957c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, file, strerror(errno)); 57967c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 57977c478bd9Sstevel@tonic-gate } 57987c478bd9Sstevel@tonic-gate linkcontents[bytes] = '\0'; 57997c478bd9Sstevel@tonic-gate if (symlink(linkcontents, newfile) == -1) { 58007c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, newfile, newfile, 58010a653502Swroche strerror(errno)); 58027c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58037c478bd9Sstevel@tonic-gate } 58047c478bd9Sstevel@tonic-gate } 58057c478bd9Sstevel@tonic-gate 58067c478bd9Sstevel@tonic-gate (void) lchown(newfile, stat->st_uid, stat->st_gid); 58077c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58087c478bd9Sstevel@tonic-gate } 58097c478bd9Sstevel@tonic-gate 58107c478bd9Sstevel@tonic-gate /* 58117c478bd9Sstevel@tonic-gate * Given a dev_t from the running kernel, return the new_dev_t 58127c478bd9Sstevel@tonic-gate * by translating to the major number found on the installed 58137c478bd9Sstevel@tonic-gate * target's root name_to_major file. 58147c478bd9Sstevel@tonic-gate */ 58157c478bd9Sstevel@tonic-gate static int 58167c478bd9Sstevel@tonic-gate translate_major(dev_t old_dev, dev_t *new_dev) 58177c478bd9Sstevel@tonic-gate { 58187c478bd9Sstevel@tonic-gate major_t oldmajor; 58197c478bd9Sstevel@tonic-gate major_t newmajor; 58207c478bd9Sstevel@tonic-gate minor_t oldminor; 58217c478bd9Sstevel@tonic-gate minor_t newminor; 58227c478bd9Sstevel@tonic-gate char cdriver[FILENAME_MAX + 1]; 58237c478bd9Sstevel@tonic-gate char driver[FILENAME_MAX + 1]; 58247c478bd9Sstevel@tonic-gate char *fcn = "translate_major: "; 58257c478bd9Sstevel@tonic-gate 58267c478bd9Sstevel@tonic-gate oldmajor = major(old_dev); 58270a653502Swroche if (modctl(MODGETNAME, driver, sizeof (driver), &oldmajor) != 0) { 58287c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58297c478bd9Sstevel@tonic-gate } 58307c478bd9Sstevel@tonic-gate 58317c478bd9Sstevel@tonic-gate if (strcmp(driver, "clone") != 0) { 58327c478bd9Sstevel@tonic-gate /* non-clone case */ 58337c478bd9Sstevel@tonic-gate 58347c478bd9Sstevel@tonic-gate /* look up major number is target's name2major */ 58357c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 58367c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58377c478bd9Sstevel@tonic-gate } 58387c478bd9Sstevel@tonic-gate 58397c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, minor(old_dev)); 58407c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 58417c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: %lu,%lu " 58420a653502Swroche "new: %lu,%lu\n", fcn, driver, major(old_dev), 58430a653502Swroche minor(old_dev), major(*new_dev), minor(*new_dev)); 58447c478bd9Sstevel@tonic-gate } 58457c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58467c478bd9Sstevel@tonic-gate } else { 58477c478bd9Sstevel@tonic-gate /* 58487c478bd9Sstevel@tonic-gate * The clone is a special case. Look at its minor 58497c478bd9Sstevel@tonic-gate * number since it is the major number of the real driver. 58507c478bd9Sstevel@tonic-gate */ 58517c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 58527c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58537c478bd9Sstevel@tonic-gate } 58547c478bd9Sstevel@tonic-gate 58557c478bd9Sstevel@tonic-gate oldminor = minor(old_dev); 58567c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, cdriver, sizeof (cdriver), 58570a653502Swroche &oldminor) != 0) { 58587c478bd9Sstevel@tonic-gate err_print(MODGETNAME_FAILED, oldminor); 58597c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58607c478bd9Sstevel@tonic-gate } 58617c478bd9Sstevel@tonic-gate 58627c478bd9Sstevel@tonic-gate if (get_major_no(cdriver, &newminor) == DEVFSADM_FAILURE) { 58637c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58647c478bd9Sstevel@tonic-gate } 58657c478bd9Sstevel@tonic-gate 58667c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, newminor); 58677c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 58687c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: " 58690a653502Swroche "%lu,%lu new: %lu,%lu\n", fcn, driver, 58700a653502Swroche major(old_dev), minor(old_dev), 58710a653502Swroche major(*new_dev), minor(*new_dev)); 58727c478bd9Sstevel@tonic-gate } 58737c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58747c478bd9Sstevel@tonic-gate } 58757c478bd9Sstevel@tonic-gate } 58767c478bd9Sstevel@tonic-gate 58777c478bd9Sstevel@tonic-gate /* 58787c478bd9Sstevel@tonic-gate * 58797c478bd9Sstevel@tonic-gate * Find the major number for driver, searching the n2m_list that was 58807c478bd9Sstevel@tonic-gate * built in load_n2m_table(). 58817c478bd9Sstevel@tonic-gate */ 58827c478bd9Sstevel@tonic-gate static int 58837c478bd9Sstevel@tonic-gate get_major_no(char *driver, major_t *major) 58847c478bd9Sstevel@tonic-gate { 58857c478bd9Sstevel@tonic-gate n2m_t *ptr; 58867c478bd9Sstevel@tonic-gate 58877c478bd9Sstevel@tonic-gate for (ptr = n2m_list; ptr != NULL; ptr = ptr->next) { 58887c478bd9Sstevel@tonic-gate if (strcmp(ptr->driver, driver) == 0) { 58897c478bd9Sstevel@tonic-gate *major = ptr->major; 58907c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58917c478bd9Sstevel@tonic-gate } 58927c478bd9Sstevel@tonic-gate } 58937c478bd9Sstevel@tonic-gate err_print(FIND_MAJOR_FAILED, driver); 58947c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58957c478bd9Sstevel@tonic-gate } 58967c478bd9Sstevel@tonic-gate 58977c478bd9Sstevel@tonic-gate /* 58987c478bd9Sstevel@tonic-gate * Loads a name_to_major table into memory. Used only for suninstall's 58997c478bd9Sstevel@tonic-gate * private -R option to devfsadm, to translate major numbers from the 59007c478bd9Sstevel@tonic-gate * running to the installed target disk. 59017c478bd9Sstevel@tonic-gate */ 59027c478bd9Sstevel@tonic-gate static int 59037c478bd9Sstevel@tonic-gate load_n2m_table(char *file) 59047c478bd9Sstevel@tonic-gate { 59057c478bd9Sstevel@tonic-gate FILE *fp; 59061ca93273Seota char line[1024], *cp; 59077c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 59087c478bd9Sstevel@tonic-gate major_t major; 59097c478bd9Sstevel@tonic-gate n2m_t *ptr; 59107c478bd9Sstevel@tonic-gate int ln = 0; 59117c478bd9Sstevel@tonic-gate 59127c478bd9Sstevel@tonic-gate if ((fp = fopen(file, "r")) == NULL) { 59137c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, file, strerror(errno)); 59147c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 59157c478bd9Sstevel@tonic-gate } 59167c478bd9Sstevel@tonic-gate 59177c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 59187c478bd9Sstevel@tonic-gate ln++; 59191ca93273Seota /* cut off comments starting with '#' */ 59201ca93273Seota if ((cp = strchr(line, '#')) != NULL) 59211ca93273Seota *cp = '\0'; 59221ca93273Seota /* ignore comment or blank lines */ 59231ca93273Seota if (is_blank(line)) 59247c478bd9Sstevel@tonic-gate continue; 59251ca93273Seota /* sanity-check */ 59267c478bd9Sstevel@tonic-gate if (sscanf(line, "%1024s%lu", driver, &major) != 2) { 59277c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, file); 59287c478bd9Sstevel@tonic-gate continue; 59297c478bd9Sstevel@tonic-gate } 59307c478bd9Sstevel@tonic-gate ptr = (n2m_t *)s_malloc(sizeof (n2m_t)); 59317c478bd9Sstevel@tonic-gate ptr->major = major; 59327c478bd9Sstevel@tonic-gate ptr->driver = s_strdup(driver); 59337c478bd9Sstevel@tonic-gate ptr->next = n2m_list; 59347c478bd9Sstevel@tonic-gate n2m_list = ptr; 59357c478bd9Sstevel@tonic-gate } 59367c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 59377c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, file, strerror(errno)); 59387c478bd9Sstevel@tonic-gate } 59397c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 59407c478bd9Sstevel@tonic-gate } 59417c478bd9Sstevel@tonic-gate 59428d483882Smlf /* 59438d483882Smlf * Called at devfsadm startup to read the file /etc/dev/enumerate_reserved 59448d483882Smlf * Creates a linked list of devlinks from which reserved IDs can be derived 59458d483882Smlf */ 59468d483882Smlf static void 59478d483882Smlf read_enumerate_file(void) 59488d483882Smlf { 59498d483882Smlf FILE *fp; 59508d483882Smlf int linenum; 59518d483882Smlf char line[PATH_MAX+1]; 59528d483882Smlf enumerate_file_t *entry; 59538d483882Smlf struct stat current_sb; 59548d483882Smlf static struct stat cached_sb; 59558d483882Smlf static int cached = FALSE; 59568d483882Smlf 59578d483882Smlf assert(enumerate_file); 59588d483882Smlf 59598d483882Smlf if (stat(enumerate_file, ¤t_sb) == -1) { 59608d483882Smlf vprint(RSRV_MID, "No reserved file: %s\n", enumerate_file); 59618d483882Smlf cached = FALSE; 59628d483882Smlf if (enumerate_reserved != NULL) { 59638d483882Smlf vprint(RSRV_MID, "invalidating %s cache\n", 59648d483882Smlf enumerate_file); 59658d483882Smlf } 59668d483882Smlf while (enumerate_reserved != NULL) { 59678d483882Smlf entry = enumerate_reserved; 59688d483882Smlf enumerate_reserved = entry->er_next; 59698d483882Smlf free(entry->er_file); 59708d483882Smlf free(entry->er_id); 59718d483882Smlf free(entry); 59728d483882Smlf } 59738d483882Smlf return; 59748d483882Smlf } 59758d483882Smlf 59768d483882Smlf /* if already cached, check to see if it is still valid */ 59778d483882Smlf if (cached == TRUE) { 59788d483882Smlf 59798d483882Smlf if (current_sb.st_mtime == cached_sb.st_mtime) { 59808d483882Smlf vprint(RSRV_MID, "%s cache valid\n", enumerate_file); 59818d483882Smlf vprint(FILES_MID, "%s cache valid\n", enumerate_file); 59828d483882Smlf return; 59838d483882Smlf } 59848d483882Smlf 59858d483882Smlf vprint(RSRV_MID, "invalidating %s cache\n", enumerate_file); 59868d483882Smlf vprint(FILES_MID, "invalidating %s cache\n", enumerate_file); 59878d483882Smlf 59888d483882Smlf while (enumerate_reserved != NULL) { 59898d483882Smlf entry = enumerate_reserved; 59908d483882Smlf enumerate_reserved = entry->er_next; 59918d483882Smlf free(entry->er_file); 59928d483882Smlf free(entry->er_id); 59938d483882Smlf free(entry); 59948d483882Smlf } 59958d483882Smlf vprint(RSRV_MID, "Recaching file: %s\n", enumerate_file); 59968d483882Smlf } else { 59978d483882Smlf vprint(RSRV_MID, "Caching file (first time): %s\n", 59988d483882Smlf enumerate_file); 59998d483882Smlf cached = TRUE; 60008d483882Smlf } 60018d483882Smlf 60028d483882Smlf (void) stat(enumerate_file, &cached_sb); 60038d483882Smlf 60048d483882Smlf if ((fp = fopen(enumerate_file, "r")) == NULL) { 60058d483882Smlf err_print(FOPEN_FAILED, enumerate_file, strerror(errno)); 60068d483882Smlf return; 60078d483882Smlf } 60088d483882Smlf 60098d483882Smlf vprint(RSRV_MID, "Reading reserve file: %s\n", enumerate_file); 60108d483882Smlf linenum = 0; 60118d483882Smlf while (fgets(line, sizeof (line), fp) != NULL) { 60128d483882Smlf char *cp, *ncp; 60138d483882Smlf 60148d483882Smlf linenum++; 60158d483882Smlf 60168d483882Smlf /* remove newline */ 60178d483882Smlf cp = strchr(line, '\n'); 60188d483882Smlf if (cp) 60198d483882Smlf *cp = '\0'; 60208d483882Smlf 60210a653502Swroche vprint(RSRV_MID, "Reserve file: line %d: %s\n", linenum, line); 60228d483882Smlf 60238d483882Smlf /* skip over space and tab */ 60240a653502Swroche for (cp = line; *cp == ' ' || *cp == '\t'; cp++) 60250a653502Swroche ; 60268d483882Smlf 60278d483882Smlf if (*cp == '\0' || *cp == '#') { 60288d483882Smlf vprint(RSRV_MID, "Skipping line: '%s'\n", line); 60298d483882Smlf continue; /* blank line or comment line */ 60308d483882Smlf } 60318d483882Smlf 60328d483882Smlf ncp = cp; 60338d483882Smlf 60348d483882Smlf /* delete trailing blanks */ 60350a653502Swroche for (; *cp != ' ' && *cp != '\t' && *cp != '\0'; cp++) 60360a653502Swroche ; 60378d483882Smlf *cp = '\0'; 60388d483882Smlf 60398d483882Smlf entry = s_zalloc(sizeof (enumerate_file_t)); 60408d483882Smlf entry->er_file = s_strdup(ncp); 60418d483882Smlf entry->er_id = NULL; 60428d483882Smlf entry->er_next = enumerate_reserved; 60438d483882Smlf enumerate_reserved = entry; 60448d483882Smlf } 60458d483882Smlf 60468d483882Smlf if (fclose(fp) == EOF) { 60478d483882Smlf err_print(FCLOSE_FAILED, enumerate_file, strerror(errno)); 60488d483882Smlf } 60498d483882Smlf } 60508d483882Smlf 60517c478bd9Sstevel@tonic-gate /* 60527c478bd9Sstevel@tonic-gate * Called at devfsadm startup to read in the devlink.tab file. Creates 60537c478bd9Sstevel@tonic-gate * a linked list of devlinktab_list structures which will be 60547c478bd9Sstevel@tonic-gate * searched for every minor node. 60557c478bd9Sstevel@tonic-gate */ 60567c478bd9Sstevel@tonic-gate static void 60577c478bd9Sstevel@tonic-gate read_devlinktab_file(void) 60587c478bd9Sstevel@tonic-gate { 60597c478bd9Sstevel@tonic-gate devlinktab_list_t *headp = NULL; 60607c478bd9Sstevel@tonic-gate devlinktab_list_t *entryp; 60617c478bd9Sstevel@tonic-gate devlinktab_list_t **previous; 60627c478bd9Sstevel@tonic-gate devlinktab_list_t *save; 60631ca93273Seota char line[MAX_DEVLINK_LINE], *cp; 60647c478bd9Sstevel@tonic-gate char *selector; 60657c478bd9Sstevel@tonic-gate char *p_link; 60667c478bd9Sstevel@tonic-gate char *s_link; 60677c478bd9Sstevel@tonic-gate FILE *fp; 60687c478bd9Sstevel@tonic-gate int i; 60697c478bd9Sstevel@tonic-gate static struct stat cached_sb; 60707c478bd9Sstevel@tonic-gate struct stat current_sb; 60717c478bd9Sstevel@tonic-gate static int cached = FALSE; 60727c478bd9Sstevel@tonic-gate 60737c478bd9Sstevel@tonic-gate if (devlinktab_file == NULL) { 60747c478bd9Sstevel@tonic-gate return; 60757c478bd9Sstevel@tonic-gate } 60767c478bd9Sstevel@tonic-gate 60777c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, ¤t_sb); 60787c478bd9Sstevel@tonic-gate 60797c478bd9Sstevel@tonic-gate /* if already cached, check to see if it is still valid */ 60807c478bd9Sstevel@tonic-gate if (cached == TRUE) { 60817c478bd9Sstevel@tonic-gate 60827c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 60837c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", devlinktab_file); 60847c478bd9Sstevel@tonic-gate return; 60857c478bd9Sstevel@tonic-gate } 60867c478bd9Sstevel@tonic-gate 60877c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", devlinktab_file); 60887c478bd9Sstevel@tonic-gate 60897c478bd9Sstevel@tonic-gate while (devlinktab_list != NULL) { 60907c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->p_link); 60917c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->s_link); 60927c478bd9Sstevel@tonic-gate free_selector_list(devlinktab_list->selector); 60937c478bd9Sstevel@tonic-gate free(devlinktab_list->selector_pattern); 60947c478bd9Sstevel@tonic-gate free(devlinktab_list->p_link_pattern); 60957c478bd9Sstevel@tonic-gate if (devlinktab_list->s_link_pattern != NULL) { 60967c478bd9Sstevel@tonic-gate free(devlinktab_list->s_link_pattern); 60977c478bd9Sstevel@tonic-gate } 60987c478bd9Sstevel@tonic-gate save = devlinktab_list; 60997c478bd9Sstevel@tonic-gate devlinktab_list = devlinktab_list->next; 61007c478bd9Sstevel@tonic-gate free(save); 61017c478bd9Sstevel@tonic-gate } 61027c478bd9Sstevel@tonic-gate } else { 61037c478bd9Sstevel@tonic-gate cached = TRUE; 61047c478bd9Sstevel@tonic-gate } 61057c478bd9Sstevel@tonic-gate 61067c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, &cached_sb); 61077c478bd9Sstevel@tonic-gate 61087c478bd9Sstevel@tonic-gate if ((fp = fopen(devlinktab_file, "r")) == NULL) { 61097c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, devlinktab_file, strerror(errno)); 61107c478bd9Sstevel@tonic-gate return; 61117c478bd9Sstevel@tonic-gate } 61127c478bd9Sstevel@tonic-gate 61137c478bd9Sstevel@tonic-gate previous = &headp; 61147c478bd9Sstevel@tonic-gate 61157c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 61167c478bd9Sstevel@tonic-gate devlinktab_line++; 61177c478bd9Sstevel@tonic-gate i = strlen(line); 61187c478bd9Sstevel@tonic-gate if (line[i-1] == NEWLINE) { 61197c478bd9Sstevel@tonic-gate line[i-1] = '\0'; 61207c478bd9Sstevel@tonic-gate } else if (i == sizeof (line-1)) { 61217c478bd9Sstevel@tonic-gate err_print(LINE_TOO_LONG, devlinktab_line, 61227c478bd9Sstevel@tonic-gate devlinktab_file, sizeof (line)-1); 61230a653502Swroche while (((i = getc(fp)) != '\n') && (i != EOF)) 61240a653502Swroche ; 61257c478bd9Sstevel@tonic-gate continue; 61267c478bd9Sstevel@tonic-gate } 61277c478bd9Sstevel@tonic-gate 61281ca93273Seota /* cut off comments starting with '#' */ 61291ca93273Seota if ((cp = strchr(line, '#')) != NULL) 61301ca93273Seota *cp = '\0'; 61311ca93273Seota /* ignore comment or blank lines */ 61321ca93273Seota if (is_blank(line)) 61337c478bd9Sstevel@tonic-gate continue; 61347c478bd9Sstevel@tonic-gate 61357c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "table: %s line %d: '%s'\n", 61360a653502Swroche devlinktab_file, devlinktab_line, line); 61377c478bd9Sstevel@tonic-gate 61387c478bd9Sstevel@tonic-gate /* break each entry into fields. s_link may be NULL */ 61397c478bd9Sstevel@tonic-gate if (split_devlinktab_entry(line, &selector, &p_link, 61407c478bd9Sstevel@tonic-gate &s_link) == DEVFSADM_FAILURE) { 61417c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry returns failure\n"); 61427c478bd9Sstevel@tonic-gate continue; 61437c478bd9Sstevel@tonic-gate } else { 61447c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry selector='%s' " 61450a653502Swroche "p_link='%s' s_link='%s'\n\n", selector, 61460a653502Swroche p_link, (s_link == NULL) ? "" : s_link); 61477c478bd9Sstevel@tonic-gate } 61487c478bd9Sstevel@tonic-gate 61490a653502Swroche entryp = 61500a653502Swroche (devlinktab_list_t *)s_malloc(sizeof (devlinktab_list_t)); 61517c478bd9Sstevel@tonic-gate 61527c478bd9Sstevel@tonic-gate entryp->line_number = devlinktab_line; 61537c478bd9Sstevel@tonic-gate 61540a653502Swroche if ((entryp->selector = create_selector_list(selector)) 61550a653502Swroche == NULL) { 61567c478bd9Sstevel@tonic-gate free(entryp); 61577c478bd9Sstevel@tonic-gate continue; 61587c478bd9Sstevel@tonic-gate } 61597c478bd9Sstevel@tonic-gate entryp->selector_pattern = s_strdup(selector); 61607c478bd9Sstevel@tonic-gate 61617c478bd9Sstevel@tonic-gate if ((entryp->p_link = create_link_list(p_link)) == NULL) { 61627c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 61637c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 61647c478bd9Sstevel@tonic-gate free(entryp); 61657c478bd9Sstevel@tonic-gate continue; 61667c478bd9Sstevel@tonic-gate } 61677c478bd9Sstevel@tonic-gate 61687c478bd9Sstevel@tonic-gate entryp->p_link_pattern = s_strdup(p_link); 61697c478bd9Sstevel@tonic-gate 61707c478bd9Sstevel@tonic-gate if (s_link != NULL) { 61717c478bd9Sstevel@tonic-gate if ((entryp->s_link = 61727c478bd9Sstevel@tonic-gate create_link_list(s_link)) == NULL) { 61737c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 61747c478bd9Sstevel@tonic-gate free_link_list(entryp->p_link); 61757c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 61767c478bd9Sstevel@tonic-gate free(entryp->p_link_pattern); 61777c478bd9Sstevel@tonic-gate free(entryp); 61787c478bd9Sstevel@tonic-gate continue; 61797c478bd9Sstevel@tonic-gate } 61800a653502Swroche entryp->s_link_pattern = s_strdup(s_link); 61817c478bd9Sstevel@tonic-gate } else { 61827c478bd9Sstevel@tonic-gate entryp->s_link = NULL; 61837c478bd9Sstevel@tonic-gate entryp->s_link_pattern = NULL; 61847c478bd9Sstevel@tonic-gate 61857c478bd9Sstevel@tonic-gate } 61867c478bd9Sstevel@tonic-gate 61877c478bd9Sstevel@tonic-gate /* append to end of list */ 61887c478bd9Sstevel@tonic-gate 61897c478bd9Sstevel@tonic-gate entryp->next = NULL; 61907c478bd9Sstevel@tonic-gate *previous = entryp; 61917c478bd9Sstevel@tonic-gate previous = &(entryp->next); 61927c478bd9Sstevel@tonic-gate } 61937c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 61947c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, devlinktab_file, strerror(errno)); 61957c478bd9Sstevel@tonic-gate } 61967c478bd9Sstevel@tonic-gate devlinktab_list = headp; 61977c478bd9Sstevel@tonic-gate } 61987c478bd9Sstevel@tonic-gate 61997c478bd9Sstevel@tonic-gate /* 62007c478bd9Sstevel@tonic-gate * 62017c478bd9Sstevel@tonic-gate * For a single line entry in devlink.tab, split the line into fields 62027c478bd9Sstevel@tonic-gate * selector, p_link, and an optionally s_link. If s_link field is not 62037c478bd9Sstevel@tonic-gate * present, then return NULL in s_link (not NULL string). 62047c478bd9Sstevel@tonic-gate */ 62057c478bd9Sstevel@tonic-gate static int 62067c478bd9Sstevel@tonic-gate split_devlinktab_entry(char *entry, char **selector, char **p_link, 62077c478bd9Sstevel@tonic-gate char **s_link) 62087c478bd9Sstevel@tonic-gate { 62097c478bd9Sstevel@tonic-gate char *tab; 62107c478bd9Sstevel@tonic-gate 62117c478bd9Sstevel@tonic-gate *selector = entry; 62127c478bd9Sstevel@tonic-gate 62137c478bd9Sstevel@tonic-gate if ((tab = strchr(entry, TAB)) != NULL) { 62147c478bd9Sstevel@tonic-gate *tab = '\0'; 62157c478bd9Sstevel@tonic-gate *p_link = ++tab; 62167c478bd9Sstevel@tonic-gate } else { 62177c478bd9Sstevel@tonic-gate err_print(MISSING_TAB, devlinktab_line, devlinktab_file); 62187c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62197c478bd9Sstevel@tonic-gate } 62207c478bd9Sstevel@tonic-gate 62217c478bd9Sstevel@tonic-gate if (*p_link == '\0') { 62227c478bd9Sstevel@tonic-gate err_print(MISSING_DEVNAME, devlinktab_line, devlinktab_file); 62237c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62247c478bd9Sstevel@tonic-gate } 62257c478bd9Sstevel@tonic-gate 62267c478bd9Sstevel@tonic-gate if ((tab = strchr(*p_link, TAB)) != NULL) { 62277c478bd9Sstevel@tonic-gate *tab = '\0'; 62287c478bd9Sstevel@tonic-gate *s_link = ++tab; 62297c478bd9Sstevel@tonic-gate if (strchr(*s_link, TAB) != NULL) { 62307c478bd9Sstevel@tonic-gate err_print(TOO_MANY_FIELDS, devlinktab_line, 62310a653502Swroche devlinktab_file); 62327c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62337c478bd9Sstevel@tonic-gate } 62347c478bd9Sstevel@tonic-gate } else { 62357c478bd9Sstevel@tonic-gate *s_link = NULL; 62367c478bd9Sstevel@tonic-gate } 62377c478bd9Sstevel@tonic-gate 62387c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 62397c478bd9Sstevel@tonic-gate } 62407c478bd9Sstevel@tonic-gate 62417c478bd9Sstevel@tonic-gate /* 62427c478bd9Sstevel@tonic-gate * For a given devfs_spec field, for each element in the field, add it to 62437c478bd9Sstevel@tonic-gate * a linked list of devfs_spec structures. Return the linked list in 62447c478bd9Sstevel@tonic-gate * devfs_spec_list. 62457c478bd9Sstevel@tonic-gate */ 62467c478bd9Sstevel@tonic-gate static selector_list_t * 62477c478bd9Sstevel@tonic-gate create_selector_list(char *selector) 62487c478bd9Sstevel@tonic-gate { 62490a653502Swroche char *key; 62500a653502Swroche char *val; 62510a653502Swroche int error = FALSE; 62520a653502Swroche selector_list_t *head_selector_list = NULL; 62530a653502Swroche selector_list_t *selector_list; 62540a653502Swroche 62550a653502Swroche /* parse_devfs_spec splits the next field into keyword & value */ 62560a653502Swroche while ((*selector != NULL) && (error == FALSE)) { 62570a653502Swroche if (parse_selector(&selector, &key, &val) == DEVFSADM_FAILURE) { 62580a653502Swroche error = TRUE; 62590a653502Swroche break; 62600a653502Swroche } else { 62610a653502Swroche selector_list = (selector_list_t *) 62620a653502Swroche s_malloc(sizeof (selector_list_t)); 62630a653502Swroche if (strcmp(NAME_S, key) == 0) { 62640a653502Swroche selector_list->key = NAME; 62650a653502Swroche } else if (strcmp(TYPE_S, key) == 0) { 62660a653502Swroche selector_list->key = TYPE; 62670a653502Swroche } else if (strncmp(ADDR_S, key, ADDR_S_LEN) == 0) { 62680a653502Swroche selector_list->key = ADDR; 62690a653502Swroche if (key[ADDR_S_LEN] == '\0') { 62700a653502Swroche selector_list->arg = 0; 62710a653502Swroche } else if (isdigit(key[ADDR_S_LEN]) != FALSE) { 62720a653502Swroche selector_list->arg = 62730a653502Swroche atoi(&key[ADDR_S_LEN]); 62740a653502Swroche } else { 62750a653502Swroche error = TRUE; 62760a653502Swroche free(selector_list); 62770a653502Swroche err_print(BADKEYWORD, key, 62780a653502Swroche devlinktab_line, devlinktab_file); 62790a653502Swroche break; 62800a653502Swroche } 62810a653502Swroche } else if (strncmp(MINOR_S, key, MINOR_S_LEN) == 0) { 62820a653502Swroche selector_list->key = MINOR; 62830a653502Swroche if (key[MINOR_S_LEN] == '\0') { 62840a653502Swroche selector_list->arg = 0; 62850a653502Swroche } else if (isdigit(key[MINOR_S_LEN]) != FALSE) { 62860a653502Swroche selector_list->arg = 62870a653502Swroche atoi(&key[MINOR_S_LEN]); 62880a653502Swroche } else { 62890a653502Swroche error = TRUE; 62900a653502Swroche free(selector_list); 62910a653502Swroche err_print(BADKEYWORD, key, 62920a653502Swroche devlinktab_line, devlinktab_file); 62930a653502Swroche break; 62940a653502Swroche } 62950a653502Swroche vprint(DEVLINK_MID, "MINOR = %s\n", val); 62960a653502Swroche } else { 62970a653502Swroche err_print(UNRECOGNIZED_KEY, key, 62980a653502Swroche devlinktab_line, devlinktab_file); 62990a653502Swroche error = TRUE; 63000a653502Swroche free(selector_list); 63010a653502Swroche break; 63020a653502Swroche } 63030a653502Swroche selector_list->val = s_strdup(val); 63040a653502Swroche selector_list->next = head_selector_list; 63050a653502Swroche head_selector_list = selector_list; 63060a653502Swroche vprint(DEVLINK_MID, "key='%s' val='%s' arg=%d\n", 63070a653502Swroche key, val, selector_list->arg); 63080a653502Swroche } 63090a653502Swroche } 63100a653502Swroche 63110a653502Swroche if ((error == FALSE) && (head_selector_list != NULL)) { 63120a653502Swroche return (head_selector_list); 63130a653502Swroche } else { 63140a653502Swroche /* parse failed. Free any allocated structs */ 63150a653502Swroche free_selector_list(head_selector_list); 63160a653502Swroche return (NULL); 63170a653502Swroche } 63187c478bd9Sstevel@tonic-gate } 63197c478bd9Sstevel@tonic-gate 63207c478bd9Sstevel@tonic-gate /* 63217c478bd9Sstevel@tonic-gate * Takes a semicolon separated list of selector elements and breaks up 63227c478bd9Sstevel@tonic-gate * into a keyword-value pair. semicolon and equal characters are 63237c478bd9Sstevel@tonic-gate * replaced with NULL's. On success, selector is updated to point to the 63247c478bd9Sstevel@tonic-gate * terminating NULL character terminating the keyword-value pair, and the 63257c478bd9Sstevel@tonic-gate * function returns DEVFSADM_SUCCESS. If there is a syntax error, 63267c478bd9Sstevel@tonic-gate * devfs_spec is not modified and function returns DEVFSADM_FAILURE. 63277c478bd9Sstevel@tonic-gate */ 63287c478bd9Sstevel@tonic-gate static int 63297c478bd9Sstevel@tonic-gate parse_selector(char **selector, char **key, char **val) 63307c478bd9Sstevel@tonic-gate { 63317c478bd9Sstevel@tonic-gate char *equal; 63327c478bd9Sstevel@tonic-gate char *semi_colon; 63337c478bd9Sstevel@tonic-gate 63347c478bd9Sstevel@tonic-gate *key = *selector; 63357c478bd9Sstevel@tonic-gate 63367c478bd9Sstevel@tonic-gate if ((equal = strchr(*key, '=')) != NULL) { 63377c478bd9Sstevel@tonic-gate *equal = '\0'; 63387c478bd9Sstevel@tonic-gate } else { 63397c478bd9Sstevel@tonic-gate err_print(MISSING_EQUAL, devlinktab_line, devlinktab_file); 63407c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63417c478bd9Sstevel@tonic-gate } 63427c478bd9Sstevel@tonic-gate 63437c478bd9Sstevel@tonic-gate *val = ++equal; 63447c478bd9Sstevel@tonic-gate if ((semi_colon = strchr(equal, ';')) != NULL) { 63457c478bd9Sstevel@tonic-gate *semi_colon = '\0'; 63467c478bd9Sstevel@tonic-gate *selector = semi_colon + 1; 63477c478bd9Sstevel@tonic-gate } else { 63487c478bd9Sstevel@tonic-gate *selector = equal + strlen(equal); 63497c478bd9Sstevel@tonic-gate } 63507c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 63517c478bd9Sstevel@tonic-gate } 63527c478bd9Sstevel@tonic-gate 63537c478bd9Sstevel@tonic-gate /* 63547c478bd9Sstevel@tonic-gate * link is either the second or third field of devlink.tab. Parse link 63557c478bd9Sstevel@tonic-gate * into a linked list of devlink structures and return ptr to list. Each 63567c478bd9Sstevel@tonic-gate * list element is either a constant string, or one of the following 63577c478bd9Sstevel@tonic-gate * escape sequences: \M, \A, \N, or \D. The first three escape sequences 63587c478bd9Sstevel@tonic-gate * take a numerical argument. 63597c478bd9Sstevel@tonic-gate */ 63607c478bd9Sstevel@tonic-gate static link_list_t * 63617c478bd9Sstevel@tonic-gate create_link_list(char *link) 63627c478bd9Sstevel@tonic-gate { 63637c478bd9Sstevel@tonic-gate int x = 0; 63647c478bd9Sstevel@tonic-gate int error = FALSE; 63657c478bd9Sstevel@tonic-gate int counter_found = FALSE; 63667c478bd9Sstevel@tonic-gate link_list_t *head = NULL; 63677c478bd9Sstevel@tonic-gate link_list_t **ptr; 63687c478bd9Sstevel@tonic-gate link_list_t *link_list; 63697c478bd9Sstevel@tonic-gate char constant[MAX_DEVLINK_LINE]; 63707c478bd9Sstevel@tonic-gate char *error_str; 63717c478bd9Sstevel@tonic-gate 63727c478bd9Sstevel@tonic-gate if (link == NULL) { 63737c478bd9Sstevel@tonic-gate return (NULL); 63747c478bd9Sstevel@tonic-gate } 63757c478bd9Sstevel@tonic-gate 63767c478bd9Sstevel@tonic-gate while ((*link != '\0') && (error == FALSE)) { 63777c478bd9Sstevel@tonic-gate link_list = (link_list_t *)s_malloc(sizeof (link_list_t)); 63787c478bd9Sstevel@tonic-gate link_list->next = NULL; 63797c478bd9Sstevel@tonic-gate 63807c478bd9Sstevel@tonic-gate while ((*link != '\0') && (*link != '\\')) { 63817c478bd9Sstevel@tonic-gate /* a non-escaped string */ 63827c478bd9Sstevel@tonic-gate constant[x++] = *(link++); 63837c478bd9Sstevel@tonic-gate } 63847c478bd9Sstevel@tonic-gate if (x != 0) { 63857c478bd9Sstevel@tonic-gate constant[x] = '\0'; 63867c478bd9Sstevel@tonic-gate link_list->type = CONSTANT; 63877c478bd9Sstevel@tonic-gate link_list->constant = s_strdup(constant); 63887c478bd9Sstevel@tonic-gate x = 0; 63897c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "CONSTANT FOUND %s\n", constant); 63907c478bd9Sstevel@tonic-gate } else { 63917c478bd9Sstevel@tonic-gate switch (*(++link)) { 63927c478bd9Sstevel@tonic-gate case 'M': 63937c478bd9Sstevel@tonic-gate link_list->type = MINOR; 63947c478bd9Sstevel@tonic-gate break; 63957c478bd9Sstevel@tonic-gate case 'A': 63967c478bd9Sstevel@tonic-gate link_list->type = ADDR; 63977c478bd9Sstevel@tonic-gate break; 63987c478bd9Sstevel@tonic-gate case 'N': 63997c478bd9Sstevel@tonic-gate if (counter_found == TRUE) { 64007c478bd9Sstevel@tonic-gate error = TRUE; 64010a653502Swroche error_str = 64020a653502Swroche "multiple counters not permitted"; 64037c478bd9Sstevel@tonic-gate free(link_list); 64047c478bd9Sstevel@tonic-gate } else { 64057c478bd9Sstevel@tonic-gate counter_found = TRUE; 64067c478bd9Sstevel@tonic-gate link_list->type = COUNTER; 64077c478bd9Sstevel@tonic-gate } 64087c478bd9Sstevel@tonic-gate break; 64097c478bd9Sstevel@tonic-gate case 'D': 64107c478bd9Sstevel@tonic-gate link_list->type = NAME; 64117c478bd9Sstevel@tonic-gate break; 64127c478bd9Sstevel@tonic-gate default: 64137c478bd9Sstevel@tonic-gate error = TRUE; 64147c478bd9Sstevel@tonic-gate free(link_list); 64157c478bd9Sstevel@tonic-gate error_str = "unrecognized escape sequence"; 64167c478bd9Sstevel@tonic-gate break; 64177c478bd9Sstevel@tonic-gate } 64187c478bd9Sstevel@tonic-gate if (*(link++) != 'D') { 64197c478bd9Sstevel@tonic-gate if (isdigit(*link) == FALSE) { 64207c478bd9Sstevel@tonic-gate error_str = "escape sequence must be " 64210a653502Swroche "followed by a digit\n"; 64227c478bd9Sstevel@tonic-gate error = TRUE; 64237c478bd9Sstevel@tonic-gate free(link_list); 64247c478bd9Sstevel@tonic-gate } else { 64257c478bd9Sstevel@tonic-gate link_list->arg = 64260a653502Swroche (int)strtoul(link, &link, 10); 64277c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "link_list->arg = " 64280a653502Swroche "%d\n", link_list->arg); 64297c478bd9Sstevel@tonic-gate } 64307c478bd9Sstevel@tonic-gate } 64317c478bd9Sstevel@tonic-gate } 64327c478bd9Sstevel@tonic-gate /* append link_list struct to end of list */ 64337c478bd9Sstevel@tonic-gate if (error == FALSE) { 64340a653502Swroche for (ptr = &head; *ptr != NULL; ptr = &((*ptr)->next)) 64350a653502Swroche ; 64367c478bd9Sstevel@tonic-gate *ptr = link_list; 64377c478bd9Sstevel@tonic-gate } 64387c478bd9Sstevel@tonic-gate } 64397c478bd9Sstevel@tonic-gate 64407c478bd9Sstevel@tonic-gate if (error == FALSE) { 64417c478bd9Sstevel@tonic-gate return (head); 64427c478bd9Sstevel@tonic-gate } else { 64437c478bd9Sstevel@tonic-gate err_print(CONFIG_INCORRECT, devlinktab_line, devlinktab_file, 64447c478bd9Sstevel@tonic-gate error_str); 64457c478bd9Sstevel@tonic-gate free_link_list(head); 64467c478bd9Sstevel@tonic-gate return (NULL); 64477c478bd9Sstevel@tonic-gate } 64487c478bd9Sstevel@tonic-gate } 64497c478bd9Sstevel@tonic-gate 64507c478bd9Sstevel@tonic-gate /* 64517c478bd9Sstevel@tonic-gate * Called for each minor node devfsadm processes; for each minor node, 64527c478bd9Sstevel@tonic-gate * look for matches in the devlinktab_list list which was created on 64537c478bd9Sstevel@tonic-gate * startup read_devlinktab_file(). If there is a match, call build_links() 64547c478bd9Sstevel@tonic-gate * to build a logical devlink and a possible extra devlink. 64557c478bd9Sstevel@tonic-gate */ 64567c478bd9Sstevel@tonic-gate static int 64577c478bd9Sstevel@tonic-gate process_devlink_compat(di_minor_t minor, di_node_t node) 64587c478bd9Sstevel@tonic-gate { 64597c478bd9Sstevel@tonic-gate int link_built = FALSE; 64607c478bd9Sstevel@tonic-gate devlinktab_list_t *entry; 64617c478bd9Sstevel@tonic-gate char *nodetype; 64627c478bd9Sstevel@tonic-gate char *dev_path; 64637c478bd9Sstevel@tonic-gate 64647c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 64657c478bd9Sstevel@tonic-gate nodetype = di_minor_nodetype(minor); 64667c478bd9Sstevel@tonic-gate assert(nodetype != NULL); 64677c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) != NULL) { 64680a653502Swroche vprint(INFO_MID, "'%s' entry: %s:%s\n", 64690a653502Swroche nodetype, dev_path, 64700a653502Swroche di_minor_name(minor) ? di_minor_name(minor) : ""); 64717c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 64727c478bd9Sstevel@tonic-gate } 64737c478bd9Sstevel@tonic-gate 64747c478bd9Sstevel@tonic-gate } 64757c478bd9Sstevel@tonic-gate 64767c478bd9Sstevel@tonic-gate 64777c478bd9Sstevel@tonic-gate /* don't process devlink.tab if devfsadm invoked with -c <class> */ 64787c478bd9Sstevel@tonic-gate if (num_classes > 0) { 64797c478bd9Sstevel@tonic-gate return (FALSE); 64807c478bd9Sstevel@tonic-gate } 64817c478bd9Sstevel@tonic-gate 64827c478bd9Sstevel@tonic-gate for (entry = devlinktab_list; entry != NULL; entry = entry->next) { 64837c478bd9Sstevel@tonic-gate if (devlink_matches(entry, minor, node) == DEVFSADM_SUCCESS) { 64847c478bd9Sstevel@tonic-gate link_built = TRUE; 64857c478bd9Sstevel@tonic-gate (void) build_links(entry, minor, node); 64867c478bd9Sstevel@tonic-gate } 64877c478bd9Sstevel@tonic-gate } 64887c478bd9Sstevel@tonic-gate return (link_built); 64897c478bd9Sstevel@tonic-gate } 64907c478bd9Sstevel@tonic-gate 64917c478bd9Sstevel@tonic-gate /* 64927c478bd9Sstevel@tonic-gate * For a given devlink.tab devlinktab_list entry, see if the selector 64937c478bd9Sstevel@tonic-gate * field matches this minor node. If it does, return DEVFSADM_SUCCESS, 64947c478bd9Sstevel@tonic-gate * otherwise DEVFSADM_FAILURE. 64957c478bd9Sstevel@tonic-gate */ 64967c478bd9Sstevel@tonic-gate static int 64977c478bd9Sstevel@tonic-gate devlink_matches(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 64987c478bd9Sstevel@tonic-gate { 64997c478bd9Sstevel@tonic-gate selector_list_t *selector = entry->selector; 65007c478bd9Sstevel@tonic-gate char *addr; 65017c478bd9Sstevel@tonic-gate char *minor_name; 65027c478bd9Sstevel@tonic-gate char *node_type; 65037c478bd9Sstevel@tonic-gate 65047c478bd9Sstevel@tonic-gate for (; selector != NULL; selector = selector->next) { 65057c478bd9Sstevel@tonic-gate switch (selector->key) { 65067c478bd9Sstevel@tonic-gate case NAME: 65077c478bd9Sstevel@tonic-gate if (strcmp(di_node_name(node), selector->val) != 0) { 65087c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65097c478bd9Sstevel@tonic-gate } 65107c478bd9Sstevel@tonic-gate break; 65117c478bd9Sstevel@tonic-gate case TYPE: 65127c478bd9Sstevel@tonic-gate node_type = di_minor_nodetype(minor); 65137c478bd9Sstevel@tonic-gate assert(node_type != NULL); 65147c478bd9Sstevel@tonic-gate if (strcmp(node_type, selector->val) != 0) { 65157c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65167c478bd9Sstevel@tonic-gate } 65177c478bd9Sstevel@tonic-gate break; 65187c478bd9Sstevel@tonic-gate case ADDR: 65197c478bd9Sstevel@tonic-gate if ((addr = di_bus_addr(node)) == NULL) { 65207c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65217c478bd9Sstevel@tonic-gate } 65227c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 65237c478bd9Sstevel@tonic-gate if (strcmp(addr, selector->val) != 0) { 65247c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65257c478bd9Sstevel@tonic-gate } 65267c478bd9Sstevel@tonic-gate } else { 65277c478bd9Sstevel@tonic-gate if (compare_field(addr, selector->val, 65287c478bd9Sstevel@tonic-gate selector->arg) == DEVFSADM_FAILURE) { 65297c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65307c478bd9Sstevel@tonic-gate } 65317c478bd9Sstevel@tonic-gate } 65327c478bd9Sstevel@tonic-gate break; 65337c478bd9Sstevel@tonic-gate case MINOR: 65347c478bd9Sstevel@tonic-gate if ((minor_name = di_minor_name(minor)) == NULL) { 65357c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65367c478bd9Sstevel@tonic-gate } 65377c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 65387c478bd9Sstevel@tonic-gate if (strcmp(minor_name, selector->val) != 0) { 65397c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65407c478bd9Sstevel@tonic-gate } 65417c478bd9Sstevel@tonic-gate } else { 65427c478bd9Sstevel@tonic-gate if (compare_field(minor_name, selector->val, 65430a653502Swroche selector->arg) == DEVFSADM_FAILURE) { 65447c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65457c478bd9Sstevel@tonic-gate } 65467c478bd9Sstevel@tonic-gate } 65477c478bd9Sstevel@tonic-gate break; 65487c478bd9Sstevel@tonic-gate default: 65497c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65507c478bd9Sstevel@tonic-gate } 65517c478bd9Sstevel@tonic-gate } 65527c478bd9Sstevel@tonic-gate 65537c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 65547c478bd9Sstevel@tonic-gate } 65557c478bd9Sstevel@tonic-gate 65567c478bd9Sstevel@tonic-gate /* 65577c478bd9Sstevel@tonic-gate * For the given minor node and devlinktab_list entry from devlink.tab, 65587c478bd9Sstevel@tonic-gate * build a logical dev link and a possible extra devlink. 65597c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS if link is created, otherwise DEVFSADM_FAILURE. 65607c478bd9Sstevel@tonic-gate */ 65617c478bd9Sstevel@tonic-gate static int 65627c478bd9Sstevel@tonic-gate build_links(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 65637c478bd9Sstevel@tonic-gate { 65647c478bd9Sstevel@tonic-gate char secondary_link[PATH_MAX + 1]; 65657c478bd9Sstevel@tonic-gate char primary_link[PATH_MAX + 1]; 65667c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 65677c478bd9Sstevel@tonic-gate char *dev_path; 65687c478bd9Sstevel@tonic-gate 65697c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 65707c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 65717c478bd9Sstevel@tonic-gate devfsadm_exit(1); 6572537714daSvikram /*NOTREACHED*/ 65737c478bd9Sstevel@tonic-gate } 65747c478bd9Sstevel@tonic-gate (void) strcpy(contents, dev_path); 65757c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 65767c478bd9Sstevel@tonic-gate 65777c478bd9Sstevel@tonic-gate (void) strcat(contents, ":"); 65787c478bd9Sstevel@tonic-gate (void) strcat(contents, di_minor_name(minor)); 65797c478bd9Sstevel@tonic-gate 65807c478bd9Sstevel@tonic-gate if (construct_devlink(primary_link, entry->p_link, contents, 65810a653502Swroche minor, node, entry->p_link_pattern) == DEVFSADM_FAILURE) { 65827c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65837c478bd9Sstevel@tonic-gate } 65847c478bd9Sstevel@tonic-gate (void) devfsadm_mklink(primary_link, node, minor, 0); 65857c478bd9Sstevel@tonic-gate 65867c478bd9Sstevel@tonic-gate if (entry->s_link == NULL) { 65877c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 65887c478bd9Sstevel@tonic-gate } 65897c478bd9Sstevel@tonic-gate 65900a653502Swroche if (construct_devlink(secondary_link, entry->s_link, primary_link, 65910a653502Swroche minor, node, entry->s_link_pattern) == DEVFSADM_FAILURE) { 65927c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 65937c478bd9Sstevel@tonic-gate } 65947c478bd9Sstevel@tonic-gate 65957c478bd9Sstevel@tonic-gate (void) devfsadm_secondary_link(secondary_link, primary_link, 0); 65967c478bd9Sstevel@tonic-gate 65977c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 65987c478bd9Sstevel@tonic-gate } 65997c478bd9Sstevel@tonic-gate 66007c478bd9Sstevel@tonic-gate /* 66017c478bd9Sstevel@tonic-gate * The counter rule for devlink.tab entries is implemented via 66027c478bd9Sstevel@tonic-gate * devfsadm_enumerate_int_start(). One of the arguments to this function 66037c478bd9Sstevel@tonic-gate * is a path, where each path component is treated as a regular expression. 66047c478bd9Sstevel@tonic-gate * For devlink.tab entries, this path regular expression is derived from 66057c478bd9Sstevel@tonic-gate * the devlink spec. get_anchored_re() accepts path regular expressions derived 66067c478bd9Sstevel@tonic-gate * from devlink.tab entries and inserts the anchors '^' and '$' at the beginning 66077c478bd9Sstevel@tonic-gate * and end respectively of each path component. This is done to prevent 66087c478bd9Sstevel@tonic-gate * false matches. For example, without anchors, "a/([0-9]+)" will match "ab/c9" 66097c478bd9Sstevel@tonic-gate * and incorrect links will be generated. 66107c478bd9Sstevel@tonic-gate */ 66117c478bd9Sstevel@tonic-gate static int 66127c478bd9Sstevel@tonic-gate get_anchored_re(char *link, char *anchored_re, char *pattern) 66137c478bd9Sstevel@tonic-gate { 66147c478bd9Sstevel@tonic-gate if (*link == '/' || *link == '\0') { 66157c478bd9Sstevel@tonic-gate err_print(INVALID_DEVLINK_SPEC, pattern); 66167c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 66177c478bd9Sstevel@tonic-gate } 66187c478bd9Sstevel@tonic-gate 66197c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 66207c478bd9Sstevel@tonic-gate for (; *link != '\0'; ) { 66217c478bd9Sstevel@tonic-gate if (*link == '/') { 66227c478bd9Sstevel@tonic-gate while (*link == '/') 66237c478bd9Sstevel@tonic-gate link++; 66247c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 66257c478bd9Sstevel@tonic-gate *anchored_re++ = '/'; 66267c478bd9Sstevel@tonic-gate if (*link != '\0') { 66277c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 66287c478bd9Sstevel@tonic-gate } 66297c478bd9Sstevel@tonic-gate } else { 66307c478bd9Sstevel@tonic-gate *anchored_re++ = *link++; 66317c478bd9Sstevel@tonic-gate if (*link == '\0') { 66327c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 66337c478bd9Sstevel@tonic-gate } 66347c478bd9Sstevel@tonic-gate } 66357c478bd9Sstevel@tonic-gate } 66367c478bd9Sstevel@tonic-gate *anchored_re = '\0'; 66377c478bd9Sstevel@tonic-gate 66387c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 66397c478bd9Sstevel@tonic-gate } 66407c478bd9Sstevel@tonic-gate 66417c478bd9Sstevel@tonic-gate static int 66427c478bd9Sstevel@tonic-gate construct_devlink(char *link, link_list_t *link_build, char *contents, 66437c478bd9Sstevel@tonic-gate di_minor_t minor, di_node_t node, char *pattern) 66447c478bd9Sstevel@tonic-gate { 66457c478bd9Sstevel@tonic-gate int counter_offset = -1; 66467c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[1] = {NULL}; 66477c478bd9Sstevel@tonic-gate char templink[PATH_MAX + 1]; 66487c478bd9Sstevel@tonic-gate char *buff; 66497c478bd9Sstevel@tonic-gate char start[10]; 66507c478bd9Sstevel@tonic-gate char *node_path; 66517c478bd9Sstevel@tonic-gate char anchored_re[PATH_MAX + 1]; 66527c478bd9Sstevel@tonic-gate 66537c478bd9Sstevel@tonic-gate link[0] = '\0'; 66547c478bd9Sstevel@tonic-gate 66557c478bd9Sstevel@tonic-gate for (; link_build != NULL; link_build = link_build->next) { 66567c478bd9Sstevel@tonic-gate switch (link_build->type) { 66577c478bd9Sstevel@tonic-gate case NAME: 66587c478bd9Sstevel@tonic-gate (void) strcat(link, di_node_name(node)); 66597c478bd9Sstevel@tonic-gate break; 66607c478bd9Sstevel@tonic-gate case CONSTANT: 66617c478bd9Sstevel@tonic-gate (void) strcat(link, link_build->constant); 66627c478bd9Sstevel@tonic-gate break; 66637c478bd9Sstevel@tonic-gate case ADDR: 66647c478bd9Sstevel@tonic-gate if (component_cat(link, di_bus_addr(node), 66650a653502Swroche link_build->arg) == DEVFSADM_FAILURE) { 66667c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 66677c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 66680a653502Swroche di_minor_name(minor)); 66697c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 66707c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 66717c478bd9Sstevel@tonic-gate } 66727c478bd9Sstevel@tonic-gate break; 66737c478bd9Sstevel@tonic-gate case MINOR: 66747c478bd9Sstevel@tonic-gate if (component_cat(link, di_minor_name(minor), 66750a653502Swroche link_build->arg) == DEVFSADM_FAILURE) { 66767c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 66777c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 66780a653502Swroche di_minor_name(minor)); 66797c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 66807c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 66817c478bd9Sstevel@tonic-gate } 66827c478bd9Sstevel@tonic-gate break; 66837c478bd9Sstevel@tonic-gate case COUNTER: 66847c478bd9Sstevel@tonic-gate counter_offset = strlen(link); 66857c478bd9Sstevel@tonic-gate (void) strcat(link, "([0-9]+)"); 66867c478bd9Sstevel@tonic-gate (void) sprintf(start, "%d", link_build->arg); 66877c478bd9Sstevel@tonic-gate break; 66887c478bd9Sstevel@tonic-gate default: 66897c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 66907c478bd9Sstevel@tonic-gate } 66917c478bd9Sstevel@tonic-gate } 66927c478bd9Sstevel@tonic-gate 66937c478bd9Sstevel@tonic-gate if (counter_offset != -1) { 66947c478bd9Sstevel@tonic-gate /* 66957c478bd9Sstevel@tonic-gate * copy anything appended after "([0-9]+)" into 66967c478bd9Sstevel@tonic-gate * templink 66977c478bd9Sstevel@tonic-gate */ 66987c478bd9Sstevel@tonic-gate 66997c478bd9Sstevel@tonic-gate (void) strcpy(templink, 67000a653502Swroche &link[counter_offset + strlen("([0-9]+)")]); 67017c478bd9Sstevel@tonic-gate if (get_anchored_re(link, anchored_re, pattern) 67027c478bd9Sstevel@tonic-gate != DEVFSADM_SUCCESS) { 67037c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67047c478bd9Sstevel@tonic-gate } 67057c478bd9Sstevel@tonic-gate rules[0].re = anchored_re; 67067c478bd9Sstevel@tonic-gate rules[0].subexp = 1; 67077c478bd9Sstevel@tonic-gate rules[0].flags = MATCH_ALL; 67087c478bd9Sstevel@tonic-gate if (devfsadm_enumerate_int_start(contents, 0, &buff, 67097c478bd9Sstevel@tonic-gate rules, 1, start) == DEVFSADM_FAILURE) { 67107c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67117c478bd9Sstevel@tonic-gate } 67127c478bd9Sstevel@tonic-gate (void) strcpy(&link[counter_offset], buff); 67137c478bd9Sstevel@tonic-gate free(buff); 67147c478bd9Sstevel@tonic-gate (void) strcat(link, templink); 67157c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "COUNTER is %s\n", link); 67167c478bd9Sstevel@tonic-gate } 67177c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 67187c478bd9Sstevel@tonic-gate } 67197c478bd9Sstevel@tonic-gate 67207c478bd9Sstevel@tonic-gate /* 67217c478bd9Sstevel@tonic-gate * Compares "field" number of the comma separated list "full_name" with 67227c478bd9Sstevel@tonic-gate * field_item. Returns DEVFSADM_SUCCESS for match, 67237c478bd9Sstevel@tonic-gate * DEVFSADM_FAILURE for no match. 67247c478bd9Sstevel@tonic-gate */ 67257c478bd9Sstevel@tonic-gate static int 67267c478bd9Sstevel@tonic-gate compare_field(char *full_name, char *field_item, int field) 67277c478bd9Sstevel@tonic-gate { 67287c478bd9Sstevel@tonic-gate --field; 67297c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (field != 0)) { 67307c478bd9Sstevel@tonic-gate if (*(full_name++) == ',') { 67317c478bd9Sstevel@tonic-gate field--; 67327c478bd9Sstevel@tonic-gate } 67337c478bd9Sstevel@tonic-gate } 67347c478bd9Sstevel@tonic-gate 67357c478bd9Sstevel@tonic-gate if (field != 0) { 67367c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67377c478bd9Sstevel@tonic-gate } 67387c478bd9Sstevel@tonic-gate 67397c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (*field_item != '\0') && 67400a653502Swroche (*full_name != ',')) { 67417c478bd9Sstevel@tonic-gate if (*(full_name++) != *(field_item++)) { 67427c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67437c478bd9Sstevel@tonic-gate } 67447c478bd9Sstevel@tonic-gate } 67457c478bd9Sstevel@tonic-gate 67467c478bd9Sstevel@tonic-gate if (*field_item != '\0') { 67477c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67487c478bd9Sstevel@tonic-gate } 67497c478bd9Sstevel@tonic-gate 67507c478bd9Sstevel@tonic-gate if ((*full_name == '\0') || (*full_name == ',')) 67517c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 67527c478bd9Sstevel@tonic-gate 67537c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67547c478bd9Sstevel@tonic-gate } 67557c478bd9Sstevel@tonic-gate 67567c478bd9Sstevel@tonic-gate /* 67577c478bd9Sstevel@tonic-gate * strcat() field # "field" of comma separated list "name" to "link". 67587c478bd9Sstevel@tonic-gate * Field 0 is the entire name. 67597c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS or DEVFSADM_FAILURE. 67607c478bd9Sstevel@tonic-gate */ 67617c478bd9Sstevel@tonic-gate static int 67627c478bd9Sstevel@tonic-gate component_cat(char *link, char *name, int field) 67637c478bd9Sstevel@tonic-gate { 67647c478bd9Sstevel@tonic-gate 67657c478bd9Sstevel@tonic-gate if (name == NULL) { 67667c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67677c478bd9Sstevel@tonic-gate } 67687c478bd9Sstevel@tonic-gate 67697c478bd9Sstevel@tonic-gate if (field == 0) { 67707c478bd9Sstevel@tonic-gate (void) strcat(link, name); 67717c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 67727c478bd9Sstevel@tonic-gate } 67737c478bd9Sstevel@tonic-gate 67747c478bd9Sstevel@tonic-gate while (*link != '\0') { 67757c478bd9Sstevel@tonic-gate link++; 67767c478bd9Sstevel@tonic-gate } 67777c478bd9Sstevel@tonic-gate 67787c478bd9Sstevel@tonic-gate --field; 67797c478bd9Sstevel@tonic-gate while ((*name != '\0') && (field != 0)) { 67807c478bd9Sstevel@tonic-gate if (*(name++) == ',') { 67817c478bd9Sstevel@tonic-gate --field; 67827c478bd9Sstevel@tonic-gate } 67837c478bd9Sstevel@tonic-gate } 67847c478bd9Sstevel@tonic-gate 67857c478bd9Sstevel@tonic-gate if (field != 0) { 67867c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 67877c478bd9Sstevel@tonic-gate } 67887c478bd9Sstevel@tonic-gate 67897c478bd9Sstevel@tonic-gate while ((*name != '\0') && (*name != ',')) { 67907c478bd9Sstevel@tonic-gate *(link++) = *(name++); 67917c478bd9Sstevel@tonic-gate } 67927c478bd9Sstevel@tonic-gate 67937c478bd9Sstevel@tonic-gate *link = '\0'; 67947c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 67957c478bd9Sstevel@tonic-gate } 67967c478bd9Sstevel@tonic-gate 67977c478bd9Sstevel@tonic-gate static void 67987c478bd9Sstevel@tonic-gate free_selector_list(selector_list_t *head) 67997c478bd9Sstevel@tonic-gate { 68007c478bd9Sstevel@tonic-gate selector_list_t *temp; 68017c478bd9Sstevel@tonic-gate 68027c478bd9Sstevel@tonic-gate while (head != NULL) { 68037c478bd9Sstevel@tonic-gate temp = head; 68047c478bd9Sstevel@tonic-gate head = head->next; 68057c478bd9Sstevel@tonic-gate free(temp->val); 68067c478bd9Sstevel@tonic-gate free(temp); 68077c478bd9Sstevel@tonic-gate } 68087c478bd9Sstevel@tonic-gate } 68097c478bd9Sstevel@tonic-gate 68107c478bd9Sstevel@tonic-gate static void 68117c478bd9Sstevel@tonic-gate free_link_list(link_list_t *head) 68127c478bd9Sstevel@tonic-gate { 68137c478bd9Sstevel@tonic-gate link_list_t *temp; 68147c478bd9Sstevel@tonic-gate 68157c478bd9Sstevel@tonic-gate while (head != NULL) { 68167c478bd9Sstevel@tonic-gate temp = head; 68177c478bd9Sstevel@tonic-gate head = head->next; 68187c478bd9Sstevel@tonic-gate if (temp->type == CONSTANT) { 68197c478bd9Sstevel@tonic-gate free(temp->constant); 68207c478bd9Sstevel@tonic-gate } 68217c478bd9Sstevel@tonic-gate free(temp); 68227c478bd9Sstevel@tonic-gate } 68237c478bd9Sstevel@tonic-gate } 68247c478bd9Sstevel@tonic-gate 68257c478bd9Sstevel@tonic-gate /* 68267c478bd9Sstevel@tonic-gate * Prints only if level matches one of the debug levels 68277c478bd9Sstevel@tonic-gate * given on command line. INFO_MID is always printed. 68287c478bd9Sstevel@tonic-gate * 68297c478bd9Sstevel@tonic-gate * See devfsadm.h for a listing of globally defined levels and 68307c478bd9Sstevel@tonic-gate * meanings. Modules should prefix the level with their 68317c478bd9Sstevel@tonic-gate * module name to prevent collisions. 68327c478bd9Sstevel@tonic-gate */ 68337c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 68347c478bd9Sstevel@tonic-gate void 68357c478bd9Sstevel@tonic-gate devfsadm_print(char *msgid, char *message, ...) 68367c478bd9Sstevel@tonic-gate { 68377c478bd9Sstevel@tonic-gate va_list ap; 68387c478bd9Sstevel@tonic-gate static int newline = TRUE; 68397c478bd9Sstevel@tonic-gate int x; 68407c478bd9Sstevel@tonic-gate 68417c478bd9Sstevel@tonic-gate if (msgid != NULL) { 68427c478bd9Sstevel@tonic-gate for (x = 0; x < num_verbose; x++) { 68437c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], msgid) == 0) { 68447c478bd9Sstevel@tonic-gate break; 68457c478bd9Sstevel@tonic-gate } 68467c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], ALL_MID) == 0) { 68477c478bd9Sstevel@tonic-gate break; 68487c478bd9Sstevel@tonic-gate } 68497c478bd9Sstevel@tonic-gate } 68507c478bd9Sstevel@tonic-gate if (x == num_verbose) { 68517c478bd9Sstevel@tonic-gate return; 68527c478bd9Sstevel@tonic-gate } 68537c478bd9Sstevel@tonic-gate } 68547c478bd9Sstevel@tonic-gate 68557c478bd9Sstevel@tonic-gate va_start(ap, message); 68567c478bd9Sstevel@tonic-gate 68577c478bd9Sstevel@tonic-gate if (msgid == NULL) { 68587c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 68597c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_NOTICE, message, ap); 68607c478bd9Sstevel@tonic-gate } else { 68617c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 68627c478bd9Sstevel@tonic-gate } 68637c478bd9Sstevel@tonic-gate 68647c478bd9Sstevel@tonic-gate } else { 68657c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 68667c478bd9Sstevel@tonic-gate (void) syslog(LOG_DEBUG, "%s[%ld]: %s: ", 68670a653502Swroche prog, getpid(), msgid); 68687c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_DEBUG, message, ap); 68697c478bd9Sstevel@tonic-gate } else { 68707c478bd9Sstevel@tonic-gate if (newline == TRUE) { 68717c478bd9Sstevel@tonic-gate (void) fprintf(stdout, "%s[%ld]: %s: ", 68720a653502Swroche prog, getpid(), msgid); 68737c478bd9Sstevel@tonic-gate } 68747c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 68757c478bd9Sstevel@tonic-gate } 68767c478bd9Sstevel@tonic-gate } 68777c478bd9Sstevel@tonic-gate 68787c478bd9Sstevel@tonic-gate if (message[strlen(message) - 1] == '\n') { 68797c478bd9Sstevel@tonic-gate newline = TRUE; 68807c478bd9Sstevel@tonic-gate } else { 68817c478bd9Sstevel@tonic-gate newline = FALSE; 68827c478bd9Sstevel@tonic-gate } 68837c478bd9Sstevel@tonic-gate va_end(ap); 68847c478bd9Sstevel@tonic-gate } 68857c478bd9Sstevel@tonic-gate 68867c478bd9Sstevel@tonic-gate /* 68877c478bd9Sstevel@tonic-gate * print error messages to the terminal or to syslog 68887c478bd9Sstevel@tonic-gate */ 68897c478bd9Sstevel@tonic-gate /*PRINTFLIKE1*/ 68907c478bd9Sstevel@tonic-gate void 68917c478bd9Sstevel@tonic-gate devfsadm_errprint(char *message, ...) 68927c478bd9Sstevel@tonic-gate { 68937c478bd9Sstevel@tonic-gate va_list ap; 68947c478bd9Sstevel@tonic-gate 68957c478bd9Sstevel@tonic-gate va_start(ap, message); 68967c478bd9Sstevel@tonic-gate 68977c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 68987c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_ERR, message, ap); 68997c478bd9Sstevel@tonic-gate } else { 69007c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s: ", prog); 69017c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, message, ap); 69027c478bd9Sstevel@tonic-gate } 69037c478bd9Sstevel@tonic-gate va_end(ap); 69047c478bd9Sstevel@tonic-gate } 69057c478bd9Sstevel@tonic-gate 69067c478bd9Sstevel@tonic-gate /* 69077c478bd9Sstevel@tonic-gate * return noupdate state (-s) 69087c478bd9Sstevel@tonic-gate */ 69097c478bd9Sstevel@tonic-gate int 69107c478bd9Sstevel@tonic-gate devfsadm_noupdate(void) 69117c478bd9Sstevel@tonic-gate { 69127c478bd9Sstevel@tonic-gate return (file_mods == TRUE ? DEVFSADM_TRUE : DEVFSADM_FALSE); 69137c478bd9Sstevel@tonic-gate } 69147c478bd9Sstevel@tonic-gate 69157c478bd9Sstevel@tonic-gate /* 69167c478bd9Sstevel@tonic-gate * return current root update path (-r) 69177c478bd9Sstevel@tonic-gate */ 69187c478bd9Sstevel@tonic-gate const char * 69197c478bd9Sstevel@tonic-gate devfsadm_root_path(void) 69207c478bd9Sstevel@tonic-gate { 69217c478bd9Sstevel@tonic-gate if (root_dir[0] == '\0') { 69227c478bd9Sstevel@tonic-gate return ("/"); 69237c478bd9Sstevel@tonic-gate } else { 69247c478bd9Sstevel@tonic-gate return ((const char *)root_dir); 69257c478bd9Sstevel@tonic-gate } 69267c478bd9Sstevel@tonic-gate } 69277c478bd9Sstevel@tonic-gate 69283c4226f9Spjha void 69293c4226f9Spjha devfsadm_free_dev_names(char **dev_names, int len) 69303c4226f9Spjha { 69313c4226f9Spjha int i; 69323c4226f9Spjha 69333c4226f9Spjha for (i = 0; i < len; i++) 69343c4226f9Spjha free(dev_names[i]); 69353c4226f9Spjha free(dev_names); 69363c4226f9Spjha } 69373c4226f9Spjha 69383c4226f9Spjha /* 69393c4226f9Spjha * Return all devlinks corresponding to phys_path as an array of strings. 69403c4226f9Spjha * The number of entries in the array is returned through lenp. 69413c4226f9Spjha * devfsadm_free_dev_names() is used to free the returned array. 69423c4226f9Spjha * NULL is returned on failure or when there are no matching devlinks. 69433c4226f9Spjha * 69443c4226f9Spjha * re is an extended regular expression in regex(5) format used to further 69453c4226f9Spjha * match devlinks pointing to phys_path; it may be NULL to match all 69463c4226f9Spjha */ 69473c4226f9Spjha char ** 69483c4226f9Spjha devfsadm_lookup_dev_names(char *phys_path, char *re, int *lenp) 69493c4226f9Spjha { 69503c4226f9Spjha struct devlink_cb_arg cb_arg; 69513c4226f9Spjha char **dev_names = NULL; 69523c4226f9Spjha int i; 69533c4226f9Spjha 69543c4226f9Spjha *lenp = 0; 69553c4226f9Spjha cb_arg.count = 0; 69563c4226f9Spjha cb_arg.rv = 0; 69573c4226f9Spjha (void) di_devlink_cache_walk(devlink_cache, re, phys_path, 69583c4226f9Spjha DI_PRIMARY_LINK, &cb_arg, devlink_cb); 69593c4226f9Spjha 69603c4226f9Spjha if (cb_arg.rv == -1 || cb_arg.count <= 0) 69613c4226f9Spjha return (NULL); 69623c4226f9Spjha 69633c4226f9Spjha dev_names = s_malloc(cb_arg.count * sizeof (char *)); 69643c4226f9Spjha if (dev_names == NULL) 69653c4226f9Spjha goto out; 69663c4226f9Spjha 69673c4226f9Spjha for (i = 0; i < cb_arg.count; i++) { 69683c4226f9Spjha dev_names[i] = s_strdup(cb_arg.dev_names[i]); 69693c4226f9Spjha if (dev_names[i] == NULL) { 69703c4226f9Spjha devfsadm_free_dev_names(dev_names, i); 69713c4226f9Spjha dev_names = NULL; 69723c4226f9Spjha goto out; 69733c4226f9Spjha } 69743c4226f9Spjha } 69753c4226f9Spjha *lenp = cb_arg.count; 69763c4226f9Spjha 69773c4226f9Spjha out: 69783c4226f9Spjha free_dev_names(&cb_arg); 69793c4226f9Spjha return (dev_names); 69803c4226f9Spjha } 69813c4226f9Spjha 69827c478bd9Sstevel@tonic-gate /* common exit function which ensures releasing locks */ 69837c478bd9Sstevel@tonic-gate static void 69847c478bd9Sstevel@tonic-gate devfsadm_exit(int status) 69857c478bd9Sstevel@tonic-gate { 69867c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON) { 69877c478bd9Sstevel@tonic-gate vprint(INFO_MID, "exit status = %d\n", status); 69887c478bd9Sstevel@tonic-gate } 69897c478bd9Sstevel@tonic-gate 6990537714daSvikram exit_dev_lock(1); 6991537714daSvikram exit_daemon_lock(1); 69927c478bd9Sstevel@tonic-gate 69937c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 69947c478bd9Sstevel@tonic-gate closelog(); 69957c478bd9Sstevel@tonic-gate } 69967c478bd9Sstevel@tonic-gate 69977c478bd9Sstevel@tonic-gate exit(status); 6998537714daSvikram /*NOTREACHED*/ 69997c478bd9Sstevel@tonic-gate } 70007c478bd9Sstevel@tonic-gate 70017c478bd9Sstevel@tonic-gate /* 7002facf4a8dSllai * set root_dir, devices_dir, dev_dir using optarg. 70037c478bd9Sstevel@tonic-gate */ 70047c478bd9Sstevel@tonic-gate static void 7005facf4a8dSllai set_root_devices_dev_dir(char *dir) 70067c478bd9Sstevel@tonic-gate { 70077c478bd9Sstevel@tonic-gate size_t len; 70087c478bd9Sstevel@tonic-gate 70097c478bd9Sstevel@tonic-gate root_dir = s_strdup(dir); 70107c478bd9Sstevel@tonic-gate len = strlen(dir) + strlen(DEVICES) + 1; 70117c478bd9Sstevel@tonic-gate devices_dir = s_malloc(len); 70127c478bd9Sstevel@tonic-gate (void) snprintf(devices_dir, len, "%s%s", root_dir, DEVICES); 70137c478bd9Sstevel@tonic-gate len = strlen(root_dir) + strlen(DEV) + 1; 70147c478bd9Sstevel@tonic-gate dev_dir = s_malloc(len); 70157c478bd9Sstevel@tonic-gate (void) snprintf(dev_dir, len, "%s%s", root_dir, DEV); 70167c478bd9Sstevel@tonic-gate } 70177c478bd9Sstevel@tonic-gate 70187c478bd9Sstevel@tonic-gate /* 70197c478bd9Sstevel@tonic-gate * Removes quotes. 70207c478bd9Sstevel@tonic-gate */ 70217c478bd9Sstevel@tonic-gate static char * 70227c478bd9Sstevel@tonic-gate dequote(char *src) 70237c478bd9Sstevel@tonic-gate { 70247c478bd9Sstevel@tonic-gate char *dst; 70257c478bd9Sstevel@tonic-gate int len; 70267c478bd9Sstevel@tonic-gate 70277c478bd9Sstevel@tonic-gate len = strlen(src); 70287c478bd9Sstevel@tonic-gate dst = s_malloc(len + 1); 70297c478bd9Sstevel@tonic-gate if (src[0] == '\"' && src[len - 1] == '\"') { 70307c478bd9Sstevel@tonic-gate len -= 2; 70317c478bd9Sstevel@tonic-gate (void) strncpy(dst, &src[1], len); 70327c478bd9Sstevel@tonic-gate dst[len] = '\0'; 70337c478bd9Sstevel@tonic-gate } else { 70347c478bd9Sstevel@tonic-gate (void) strcpy(dst, src); 70357c478bd9Sstevel@tonic-gate } 70367c478bd9Sstevel@tonic-gate return (dst); 70377c478bd9Sstevel@tonic-gate } 70387c478bd9Sstevel@tonic-gate 70397c478bd9Sstevel@tonic-gate /* 70407c478bd9Sstevel@tonic-gate * For a given physical device pathname and spectype, return the 70417c478bd9Sstevel@tonic-gate * ownership and permissions attributes by looking in data from 70427c478bd9Sstevel@tonic-gate * /etc/minor_perm. If currently in installation mode, check for 70437c478bd9Sstevel@tonic-gate * possible major number translations from the miniroot to the installed 70447c478bd9Sstevel@tonic-gate * root's name_to_major table. Note that there can be multiple matches, 70457c478bd9Sstevel@tonic-gate * but the last match takes effect. pts seems to rely on this 70467c478bd9Sstevel@tonic-gate * implementation behavior. 70477c478bd9Sstevel@tonic-gate */ 70487c478bd9Sstevel@tonic-gate static void 70497c478bd9Sstevel@tonic-gate getattr(char *phy_path, char *aminor, int spectype, dev_t dev, mode_t *mode, 70507c478bd9Sstevel@tonic-gate uid_t *uid, gid_t *gid) 70517c478bd9Sstevel@tonic-gate { 70527c478bd9Sstevel@tonic-gate char devname[PATH_MAX + 1]; 70537c478bd9Sstevel@tonic-gate char *node_name; 70547c478bd9Sstevel@tonic-gate char *minor_name; 70557c478bd9Sstevel@tonic-gate int match = FALSE; 70567c478bd9Sstevel@tonic-gate int is_clone; 70577c478bd9Sstevel@tonic-gate int mp_drvname_matches_node_name; 70587c478bd9Sstevel@tonic-gate int mp_drvname_matches_minor_name; 70597c478bd9Sstevel@tonic-gate int mp_drvname_is_clone; 70607c478bd9Sstevel@tonic-gate int mp_drvname_matches_drvname; 70617c478bd9Sstevel@tonic-gate struct mperm *mp; 70627c478bd9Sstevel@tonic-gate major_t major_no; 70637c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 70647c478bd9Sstevel@tonic-gate 70657c478bd9Sstevel@tonic-gate /* 70667c478bd9Sstevel@tonic-gate * Get the driver name based on the major number since the name 70677c478bd9Sstevel@tonic-gate * in /devices may be generic. Could be running with more major 70687c478bd9Sstevel@tonic-gate * numbers than are in /etc/name_to_major, so get it from the kernel 70697c478bd9Sstevel@tonic-gate */ 70707c478bd9Sstevel@tonic-gate major_no = major(dev); 70717c478bd9Sstevel@tonic-gate 70727c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, driver, sizeof (driver), &major_no) != 0) { 70737c478bd9Sstevel@tonic-gate /* return default values */ 70747c478bd9Sstevel@tonic-gate goto use_defaults; 70757c478bd9Sstevel@tonic-gate } 70767c478bd9Sstevel@tonic-gate 70777c478bd9Sstevel@tonic-gate (void) strcpy(devname, phy_path); 70787c478bd9Sstevel@tonic-gate 70797c478bd9Sstevel@tonic-gate node_name = strrchr(devname, '/'); /* node name is the last */ 70807c478bd9Sstevel@tonic-gate /* component */ 70817c478bd9Sstevel@tonic-gate if (node_name == NULL) { 70827c478bd9Sstevel@tonic-gate err_print(NO_NODE, devname); 70837c478bd9Sstevel@tonic-gate goto use_defaults; 70847c478bd9Sstevel@tonic-gate } 70857c478bd9Sstevel@tonic-gate 70867c478bd9Sstevel@tonic-gate minor_name = strchr(++node_name, '@'); /* see if it has address part */ 70877c478bd9Sstevel@tonic-gate 70887c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 70897c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 70907c478bd9Sstevel@tonic-gate } else { 70917c478bd9Sstevel@tonic-gate minor_name = node_name; 70927c478bd9Sstevel@tonic-gate } 70937c478bd9Sstevel@tonic-gate 70947c478bd9Sstevel@tonic-gate minor_name = strchr(minor_name, ':'); /* look for minor name */ 70957c478bd9Sstevel@tonic-gate 70967c478bd9Sstevel@tonic-gate if (minor_name == NULL) { 70977c478bd9Sstevel@tonic-gate err_print(NO_MINOR, devname); 70987c478bd9Sstevel@tonic-gate goto use_defaults; 70997c478bd9Sstevel@tonic-gate } 71007c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 71017c478bd9Sstevel@tonic-gate 71027c478bd9Sstevel@tonic-gate /* 71037c478bd9Sstevel@tonic-gate * mp->mp_drvname = device name from minor_perm 71047c478bd9Sstevel@tonic-gate * mp->mp_minorname = minor part of device name from 71057c478bd9Sstevel@tonic-gate * minor_perm 71067c478bd9Sstevel@tonic-gate * drvname = name of driver for this device 71077c478bd9Sstevel@tonic-gate */ 71087c478bd9Sstevel@tonic-gate 71097c478bd9Sstevel@tonic-gate is_clone = (strcmp(node_name, "clone") == 0 ? TRUE : FALSE); 71107c478bd9Sstevel@tonic-gate for (mp = minor_perms; mp != NULL; mp = mp->mp_next) { 71117c478bd9Sstevel@tonic-gate mp_drvname_matches_node_name = 71120a653502Swroche (strcmp(mp->mp_drvname, node_name) == 0 ? TRUE : FALSE); 71137c478bd9Sstevel@tonic-gate mp_drvname_matches_minor_name = 71140a653502Swroche (strcmp(mp->mp_drvname, minor_name) == 0 ? TRUE:FALSE); 71157c478bd9Sstevel@tonic-gate mp_drvname_is_clone = 71160a653502Swroche (strcmp(mp->mp_drvname, "clone") == 0 ? TRUE : FALSE); 71177c478bd9Sstevel@tonic-gate mp_drvname_matches_drvname = 71180a653502Swroche (strcmp(mp->mp_drvname, driver) == 0 ? TRUE : FALSE); 71197c478bd9Sstevel@tonic-gate 71207c478bd9Sstevel@tonic-gate /* 71217c478bd9Sstevel@tonic-gate * If one of the following cases is true, then we try to change 71227c478bd9Sstevel@tonic-gate * the permissions if a "shell global pattern match" of 71237c478bd9Sstevel@tonic-gate * mp_>mp_minorname matches minor_name. 71247c478bd9Sstevel@tonic-gate * 71257c478bd9Sstevel@tonic-gate * 1. mp->mp_drvname matches driver. 71267c478bd9Sstevel@tonic-gate * 71277c478bd9Sstevel@tonic-gate * OR 71287c478bd9Sstevel@tonic-gate * 71297c478bd9Sstevel@tonic-gate * 2. mp->mp_drvname matches node_name and this 71307c478bd9Sstevel@tonic-gate * name is an alias of the driver name 71317c478bd9Sstevel@tonic-gate * 71327c478bd9Sstevel@tonic-gate * OR 71337c478bd9Sstevel@tonic-gate * 71347c478bd9Sstevel@tonic-gate * 3. /devices entry is the clone device and either 71357c478bd9Sstevel@tonic-gate * minor_perm entry is the clone device or matches 71367c478bd9Sstevel@tonic-gate * the minor part of the clone device. 71377c478bd9Sstevel@tonic-gate */ 71387c478bd9Sstevel@tonic-gate 71397c478bd9Sstevel@tonic-gate if ((mp_drvname_matches_drvname == TRUE)|| 71407c478bd9Sstevel@tonic-gate ((mp_drvname_matches_node_name == TRUE) && 71417c478bd9Sstevel@tonic-gate (alias(driver, node_name) == TRUE)) || 71427c478bd9Sstevel@tonic-gate ((is_clone == TRUE) && 71437c478bd9Sstevel@tonic-gate ((mp_drvname_is_clone == TRUE) || 71447c478bd9Sstevel@tonic-gate (mp_drvname_matches_minor_name == TRUE)))) { 71457c478bd9Sstevel@tonic-gate /* 71467c478bd9Sstevel@tonic-gate * Check that the minor part of the 71477c478bd9Sstevel@tonic-gate * device name from the minor_perm 71487c478bd9Sstevel@tonic-gate * entry matches and if so, set the 71497c478bd9Sstevel@tonic-gate * permissions. 71507c478bd9Sstevel@tonic-gate * 71517c478bd9Sstevel@tonic-gate * Under real devfs, clone minor name is changed 71527c478bd9Sstevel@tonic-gate * to match the driver name, but minor_perm may 71537c478bd9Sstevel@tonic-gate * not match. We reconcile it here. 71547c478bd9Sstevel@tonic-gate */ 71557c478bd9Sstevel@tonic-gate if (aminor != NULL) 71567c478bd9Sstevel@tonic-gate minor_name = aminor; 71577c478bd9Sstevel@tonic-gate 71587c478bd9Sstevel@tonic-gate if (gmatch(minor_name, mp->mp_minorname) != 0) { 71597c478bd9Sstevel@tonic-gate *uid = mp->mp_uid; 71607c478bd9Sstevel@tonic-gate *gid = mp->mp_gid; 71617c478bd9Sstevel@tonic-gate *mode = spectype | mp->mp_mode; 71627c478bd9Sstevel@tonic-gate match = TRUE; 71637c478bd9Sstevel@tonic-gate } 71647c478bd9Sstevel@tonic-gate } 71657c478bd9Sstevel@tonic-gate } 71667c478bd9Sstevel@tonic-gate 71677c478bd9Sstevel@tonic-gate if (match == TRUE) { 71687c478bd9Sstevel@tonic-gate return; 71697c478bd9Sstevel@tonic-gate } 71707c478bd9Sstevel@tonic-gate 71717c478bd9Sstevel@tonic-gate use_defaults: 71727c478bd9Sstevel@tonic-gate /* not found in minor_perm, so just use default values */ 71737c478bd9Sstevel@tonic-gate *uid = root_uid; 71747c478bd9Sstevel@tonic-gate *gid = sys_gid; 71757c478bd9Sstevel@tonic-gate *mode = (spectype | 0600); 71767c478bd9Sstevel@tonic-gate } 71777c478bd9Sstevel@tonic-gate 71787c478bd9Sstevel@tonic-gate /* 71797c478bd9Sstevel@tonic-gate * Called by devfs_read_minor_perm() to report errors 71807c478bd9Sstevel@tonic-gate * key is: 71817c478bd9Sstevel@tonic-gate * line number: ignoring line number error 71827c478bd9Sstevel@tonic-gate * errno: open/close errors 71837c478bd9Sstevel@tonic-gate * size: alloc errors 71847c478bd9Sstevel@tonic-gate */ 71857c478bd9Sstevel@tonic-gate static void 71867c478bd9Sstevel@tonic-gate minorperm_err_cb(minorperm_err_t mp_err, int key) 71877c478bd9Sstevel@tonic-gate { 71887c478bd9Sstevel@tonic-gate switch (mp_err) { 71897c478bd9Sstevel@tonic-gate case MP_FOPEN_ERR: 71907c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, MINOR_PERM_FILE, strerror(key)); 71917c478bd9Sstevel@tonic-gate break; 71927c478bd9Sstevel@tonic-gate case MP_FCLOSE_ERR: 71937c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, MINOR_PERM_FILE, strerror(key)); 71947c478bd9Sstevel@tonic-gate break; 71957c478bd9Sstevel@tonic-gate case MP_IGNORING_LINE_ERR: 71967c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, key, MINOR_PERM_FILE); 71977c478bd9Sstevel@tonic-gate break; 71987c478bd9Sstevel@tonic-gate case MP_ALLOC_ERR: 71997c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, key); 72007c478bd9Sstevel@tonic-gate break; 72017c478bd9Sstevel@tonic-gate case MP_NVLIST_ERR: 72027c478bd9Sstevel@tonic-gate err_print(NVLIST_ERROR, MINOR_PERM_FILE, strerror(key)); 72037c478bd9Sstevel@tonic-gate break; 72047c478bd9Sstevel@tonic-gate case MP_CANT_FIND_USER_ERR: 72057c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 72067c478bd9Sstevel@tonic-gate break; 72077c478bd9Sstevel@tonic-gate case MP_CANT_FIND_GROUP_ERR: 72087c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 72097c478bd9Sstevel@tonic-gate break; 72107c478bd9Sstevel@tonic-gate } 72117c478bd9Sstevel@tonic-gate } 72127c478bd9Sstevel@tonic-gate 72137c478bd9Sstevel@tonic-gate static void 72147c478bd9Sstevel@tonic-gate read_minor_perm_file(void) 72157c478bd9Sstevel@tonic-gate { 72167c478bd9Sstevel@tonic-gate static int cached = FALSE; 72177c478bd9Sstevel@tonic-gate static struct stat cached_sb; 72187c478bd9Sstevel@tonic-gate struct stat current_sb; 72197c478bd9Sstevel@tonic-gate 72207c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, ¤t_sb); 72217c478bd9Sstevel@tonic-gate 72227c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 72237c478bd9Sstevel@tonic-gate if (cached == TRUE) { 72247c478bd9Sstevel@tonic-gate 72257c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 72267c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", MINOR_PERM_FILE); 72277c478bd9Sstevel@tonic-gate return; 72287c478bd9Sstevel@tonic-gate } 72297c478bd9Sstevel@tonic-gate devfs_free_minor_perm(minor_perms); 72307c478bd9Sstevel@tonic-gate minor_perms = NULL; 72317c478bd9Sstevel@tonic-gate } else { 72327c478bd9Sstevel@tonic-gate cached = TRUE; 72337c478bd9Sstevel@tonic-gate } 72347c478bd9Sstevel@tonic-gate 72357c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, &cached_sb); 72367c478bd9Sstevel@tonic-gate 72377c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", MINOR_PERM_FILE); 72387c478bd9Sstevel@tonic-gate 72397c478bd9Sstevel@tonic-gate minor_perms = devfs_read_minor_perm(minorperm_err_cb); 72407c478bd9Sstevel@tonic-gate } 72417c478bd9Sstevel@tonic-gate 72427c478bd9Sstevel@tonic-gate static void 72437c478bd9Sstevel@tonic-gate load_minor_perm_file(void) 72447c478bd9Sstevel@tonic-gate { 72457c478bd9Sstevel@tonic-gate read_minor_perm_file(); 72467c478bd9Sstevel@tonic-gate if (devfs_load_minor_perm(minor_perms, minorperm_err_cb) != 0) 72477c478bd9Sstevel@tonic-gate err_print(gettext("minor_perm load failed\n")); 72487c478bd9Sstevel@tonic-gate } 72497c478bd9Sstevel@tonic-gate 72507c478bd9Sstevel@tonic-gate static char * 72517c478bd9Sstevel@tonic-gate convert_to_re(char *dev) 72527c478bd9Sstevel@tonic-gate { 72537c478bd9Sstevel@tonic-gate char *p, *l, *out; 72547c478bd9Sstevel@tonic-gate int i; 72557c478bd9Sstevel@tonic-gate 72567c478bd9Sstevel@tonic-gate out = s_malloc(PATH_MAX); 72577c478bd9Sstevel@tonic-gate 72587c478bd9Sstevel@tonic-gate for (l = p = dev, i = 0; (*p != '\0') && (i < (PATH_MAX - 1)); 72597c478bd9Sstevel@tonic-gate ++p, i++) { 72607c478bd9Sstevel@tonic-gate if ((*p == '*') && ((l != p) && (*l == '/'))) { 72617c478bd9Sstevel@tonic-gate out[i++] = '.'; 72627c478bd9Sstevel@tonic-gate out[i] = '+'; 72637c478bd9Sstevel@tonic-gate } else { 72647c478bd9Sstevel@tonic-gate out[i] = *p; 72657c478bd9Sstevel@tonic-gate } 72667c478bd9Sstevel@tonic-gate l = p; 72677c478bd9Sstevel@tonic-gate } 72687c478bd9Sstevel@tonic-gate out[i] = '\0'; 72697c478bd9Sstevel@tonic-gate p = (char *)s_malloc(strlen(out) + 1); 72707c478bd9Sstevel@tonic-gate (void) strlcpy(p, out, strlen(out) + 1); 72717c478bd9Sstevel@tonic-gate free(out); 72727c478bd9Sstevel@tonic-gate 72737c478bd9Sstevel@tonic-gate vprint(FILES_MID, "converted %s -> %s\n", dev, p); 72747c478bd9Sstevel@tonic-gate 72757c478bd9Sstevel@tonic-gate return (p); 72767c478bd9Sstevel@tonic-gate } 72777c478bd9Sstevel@tonic-gate 72787c478bd9Sstevel@tonic-gate static void 72797c478bd9Sstevel@tonic-gate read_logindevperm_file(void) 72807c478bd9Sstevel@tonic-gate { 72817c478bd9Sstevel@tonic-gate static int cached = FALSE; 72827c478bd9Sstevel@tonic-gate static struct stat cached_sb; 72837c478bd9Sstevel@tonic-gate struct stat current_sb; 72847c478bd9Sstevel@tonic-gate struct login_dev *ldev; 72857c478bd9Sstevel@tonic-gate FILE *fp; 72867c478bd9Sstevel@tonic-gate char line[MAX_LDEV_LINE]; 72877c478bd9Sstevel@tonic-gate int ln, perm, rv; 72886e670f77Saj char *cp, *console, *dlist, *dev; 72897c478bd9Sstevel@tonic-gate char *lasts, *devlasts, *permstr, *drv; 72907c478bd9Sstevel@tonic-gate struct driver_list *list, *next; 72917c478bd9Sstevel@tonic-gate 72927c478bd9Sstevel@tonic-gate /* Read logindevperm only when enabled */ 72937c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 72947c478bd9Sstevel@tonic-gate return; 72957c478bd9Sstevel@tonic-gate 72967c478bd9Sstevel@tonic-gate if (cached == TRUE) { 72977c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, ¤t_sb) == 0 && 72987c478bd9Sstevel@tonic-gate current_sb.st_mtime == cached_sb.st_mtime) { 72997c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", LDEV_FILE); 73007c478bd9Sstevel@tonic-gate return; 73017c478bd9Sstevel@tonic-gate } 73027c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", LDEV_FILE); 73037c478bd9Sstevel@tonic-gate while (login_dev_cache != NULL) { 73047c478bd9Sstevel@tonic-gate 73057c478bd9Sstevel@tonic-gate ldev = login_dev_cache; 73067c478bd9Sstevel@tonic-gate login_dev_cache = ldev->ldev_next; 73077c478bd9Sstevel@tonic-gate free(ldev->ldev_console); 73087c478bd9Sstevel@tonic-gate free(ldev->ldev_device); 73097c478bd9Sstevel@tonic-gate regfree(&ldev->ldev_device_regex); 73107c478bd9Sstevel@tonic-gate list = ldev->ldev_driver_list; 73117c478bd9Sstevel@tonic-gate while (list) { 73127c478bd9Sstevel@tonic-gate next = list->next; 73137c478bd9Sstevel@tonic-gate free(list); 73147c478bd9Sstevel@tonic-gate list = next; 73157c478bd9Sstevel@tonic-gate } 73167c478bd9Sstevel@tonic-gate free(ldev); 73177c478bd9Sstevel@tonic-gate } 73187c478bd9Sstevel@tonic-gate } else { 73197c478bd9Sstevel@tonic-gate cached = TRUE; 73207c478bd9Sstevel@tonic-gate } 73217c478bd9Sstevel@tonic-gate 73227c478bd9Sstevel@tonic-gate assert(login_dev_cache == NULL); 73237c478bd9Sstevel@tonic-gate 73247c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, &cached_sb) != 0) { 73257c478bd9Sstevel@tonic-gate cached = FALSE; 73267c478bd9Sstevel@tonic-gate return; 73277c478bd9Sstevel@tonic-gate } 73287c478bd9Sstevel@tonic-gate 73297c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading file: %s\n", LDEV_FILE); 73307c478bd9Sstevel@tonic-gate 73317c478bd9Sstevel@tonic-gate if ((fp = fopen(LDEV_FILE, "r")) == NULL) { 73327c478bd9Sstevel@tonic-gate /* Not fatal to devfsadm */ 73337c478bd9Sstevel@tonic-gate cached = FALSE; 73347c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, LDEV_FILE, strerror(errno)); 73357c478bd9Sstevel@tonic-gate return; 73367c478bd9Sstevel@tonic-gate } 73377c478bd9Sstevel@tonic-gate 73387c478bd9Sstevel@tonic-gate ln = 0; 73397c478bd9Sstevel@tonic-gate while (fgets(line, MAX_LDEV_LINE, fp) != NULL) { 73407c478bd9Sstevel@tonic-gate ln++; 73417c478bd9Sstevel@tonic-gate 73427c478bd9Sstevel@tonic-gate /* Remove comments */ 73437c478bd9Sstevel@tonic-gate if ((cp = strchr(line, '#')) != NULL) 73447c478bd9Sstevel@tonic-gate *cp = '\0'; 73457c478bd9Sstevel@tonic-gate 73467c478bd9Sstevel@tonic-gate if ((console = strtok_r(line, LDEV_DELIMS, &lasts)) == NULL) 73477c478bd9Sstevel@tonic-gate continue; /* Blank line */ 73487c478bd9Sstevel@tonic-gate 73497c478bd9Sstevel@tonic-gate if ((permstr = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 73507c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 73517c478bd9Sstevel@tonic-gate continue; /* Malformed line */ 73527c478bd9Sstevel@tonic-gate } 73537c478bd9Sstevel@tonic-gate 73547c478bd9Sstevel@tonic-gate /* 73557c478bd9Sstevel@tonic-gate * permstr is string in octal format. Convert to int 73567c478bd9Sstevel@tonic-gate */ 73577c478bd9Sstevel@tonic-gate cp = NULL; 73587c478bd9Sstevel@tonic-gate errno = 0; 73597c478bd9Sstevel@tonic-gate perm = strtol(permstr, &cp, 8); 73607c478bd9Sstevel@tonic-gate if (errno || perm < 0 || perm > 0777 || *cp != '\0') { 73617c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 73627c478bd9Sstevel@tonic-gate continue; 73637c478bd9Sstevel@tonic-gate } 73647c478bd9Sstevel@tonic-gate 73656e670f77Saj if ((dlist = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 73667c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 73677c478bd9Sstevel@tonic-gate continue; 73687c478bd9Sstevel@tonic-gate } 73697c478bd9Sstevel@tonic-gate 73706e670f77Saj dev = strtok_r(dlist, LDEV_DEV_DELIM, &devlasts); 73717c478bd9Sstevel@tonic-gate while (dev) { 73727c478bd9Sstevel@tonic-gate 73737c478bd9Sstevel@tonic-gate ldev = (struct login_dev *)s_zalloc( 73747c478bd9Sstevel@tonic-gate sizeof (struct login_dev)); 73757c478bd9Sstevel@tonic-gate ldev->ldev_console = s_strdup(console); 73767c478bd9Sstevel@tonic-gate ldev->ldev_perms = perm; 73777c478bd9Sstevel@tonic-gate 73787c478bd9Sstevel@tonic-gate /* 73797c478bd9Sstevel@tonic-gate * the logical device name may contain '*' which 73807c478bd9Sstevel@tonic-gate * we convert to a regular expression 73817c478bd9Sstevel@tonic-gate */ 73827c478bd9Sstevel@tonic-gate ldev->ldev_device = convert_to_re(dev); 73837c478bd9Sstevel@tonic-gate if (ldev->ldev_device && 73847c478bd9Sstevel@tonic-gate (rv = regcomp(&ldev->ldev_device_regex, 73857c478bd9Sstevel@tonic-gate ldev->ldev_device, REG_EXTENDED))) { 73867c478bd9Sstevel@tonic-gate bzero(&ldev->ldev_device_regex, 73877c478bd9Sstevel@tonic-gate sizeof (ldev->ldev_device_regex)); 73887c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 73897c478bd9Sstevel@tonic-gate ldev->ldev_device, rv); 73907c478bd9Sstevel@tonic-gate } 73917c478bd9Sstevel@tonic-gate ldev->ldev_next = login_dev_cache; 73927c478bd9Sstevel@tonic-gate login_dev_cache = ldev; 73937c478bd9Sstevel@tonic-gate dev = strtok_r(NULL, LDEV_DEV_DELIM, &devlasts); 73947c478bd9Sstevel@tonic-gate } 73957c478bd9Sstevel@tonic-gate 73967c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRVLIST_DELIMS, &lasts); 73977c478bd9Sstevel@tonic-gate if (drv) { 73987c478bd9Sstevel@tonic-gate if (strcmp(drv, LDEV_DRVLIST_NAME) == 0) { 73997c478bd9Sstevel@tonic-gate 74000a653502Swroche drv = strtok_r(NULL, LDEV_DRV_DELIMS, &lasts); 74017c478bd9Sstevel@tonic-gate 74027c478bd9Sstevel@tonic-gate while (drv) { 74037c478bd9Sstevel@tonic-gate vprint(FILES_MID, 74040a653502Swroche "logindevperm driver=%s\n", drv); 74057c478bd9Sstevel@tonic-gate 74067c478bd9Sstevel@tonic-gate /* 74077c478bd9Sstevel@tonic-gate * create a linked list of driver 74087c478bd9Sstevel@tonic-gate * names 74097c478bd9Sstevel@tonic-gate */ 74107c478bd9Sstevel@tonic-gate list = (struct driver_list *) 74117c478bd9Sstevel@tonic-gate s_zalloc( 74127c478bd9Sstevel@tonic-gate sizeof (struct driver_list)); 74137c478bd9Sstevel@tonic-gate (void) strlcpy(list->driver_name, drv, 74147c478bd9Sstevel@tonic-gate sizeof (list->driver_name)); 74157c478bd9Sstevel@tonic-gate list->next = ldev->ldev_driver_list; 74167c478bd9Sstevel@tonic-gate ldev->ldev_driver_list = list; 74177c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRV_DELIMS, 74187c478bd9Sstevel@tonic-gate &lasts); 74197c478bd9Sstevel@tonic-gate } 74207c478bd9Sstevel@tonic-gate } 74217c478bd9Sstevel@tonic-gate } 74227c478bd9Sstevel@tonic-gate } 74237c478bd9Sstevel@tonic-gate (void) fclose(fp); 74247c478bd9Sstevel@tonic-gate } 74257c478bd9Sstevel@tonic-gate 74267c478bd9Sstevel@tonic-gate /* 74277c478bd9Sstevel@tonic-gate * Tokens are separated by ' ', '\t', ':', '=', '&', '|', ';', '\n', or '\0' 74287c478bd9Sstevel@tonic-gate * 74297c478bd9Sstevel@tonic-gate * Returns DEVFSADM_SUCCESS if token found, DEVFSADM_FAILURE otherwise. 74307c478bd9Sstevel@tonic-gate */ 74317c478bd9Sstevel@tonic-gate static int 74327c478bd9Sstevel@tonic-gate getnexttoken(char *next, char **nextp, char **tokenpp, char *tchar) 74337c478bd9Sstevel@tonic-gate { 74347c478bd9Sstevel@tonic-gate char *cp; 74357c478bd9Sstevel@tonic-gate char *cp1; 74367c478bd9Sstevel@tonic-gate char *tokenp; 74377c478bd9Sstevel@tonic-gate 74387c478bd9Sstevel@tonic-gate cp = next; 74397c478bd9Sstevel@tonic-gate while (*cp == ' ' || *cp == '\t') { 74407c478bd9Sstevel@tonic-gate cp++; /* skip leading spaces */ 74417c478bd9Sstevel@tonic-gate } 74427c478bd9Sstevel@tonic-gate tokenp = cp; /* start of token */ 74437c478bd9Sstevel@tonic-gate while (*cp != '\0' && *cp != '\n' && *cp != ' ' && *cp != '\t' && 74440a653502Swroche *cp != ':' && *cp != '=' && *cp != '&' && 74450a653502Swroche *cp != '|' && *cp != ';') { 74467c478bd9Sstevel@tonic-gate cp++; /* point to next character */ 74477c478bd9Sstevel@tonic-gate } 74487c478bd9Sstevel@tonic-gate /* 74497c478bd9Sstevel@tonic-gate * If terminating character is a space or tab, look ahead to see if 74507c478bd9Sstevel@tonic-gate * there's another terminator that's not a space or a tab. 74517c478bd9Sstevel@tonic-gate * (This code handles trailing spaces.) 74527c478bd9Sstevel@tonic-gate */ 74537c478bd9Sstevel@tonic-gate if (*cp == ' ' || *cp == '\t') { 74547c478bd9Sstevel@tonic-gate cp1 = cp; 74557c478bd9Sstevel@tonic-gate while (*++cp1 == ' ' || *cp1 == '\t') 74567c478bd9Sstevel@tonic-gate ; 74577c478bd9Sstevel@tonic-gate if (*cp1 == '=' || *cp1 == ':' || *cp1 == '&' || *cp1 == '|' || 74580a653502Swroche *cp1 == ';' || *cp1 == '\n' || *cp1 == '\0') { 74597c478bd9Sstevel@tonic-gate *cp = NULL; /* terminate token */ 74607c478bd9Sstevel@tonic-gate cp = cp1; 74617c478bd9Sstevel@tonic-gate } 74627c478bd9Sstevel@tonic-gate } 74637c478bd9Sstevel@tonic-gate if (tchar != NULL) { 74647c478bd9Sstevel@tonic-gate *tchar = *cp; /* save terminating character */ 74657c478bd9Sstevel@tonic-gate if (*tchar == '\0') { 74667c478bd9Sstevel@tonic-gate *tchar = '\n'; 74677c478bd9Sstevel@tonic-gate } 74687c478bd9Sstevel@tonic-gate } 74697c478bd9Sstevel@tonic-gate *cp++ = '\0'; /* terminate token, point to next */ 74707c478bd9Sstevel@tonic-gate *nextp = cp; /* set pointer to next character */ 74717c478bd9Sstevel@tonic-gate if (cp - tokenp - 1 == 0) { 74727c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 74737c478bd9Sstevel@tonic-gate } 74747c478bd9Sstevel@tonic-gate *tokenpp = tokenp; 74757c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 74767c478bd9Sstevel@tonic-gate } 74777c478bd9Sstevel@tonic-gate 74787c478bd9Sstevel@tonic-gate /* 74797c478bd9Sstevel@tonic-gate * read or reread the driver aliases file 74807c478bd9Sstevel@tonic-gate */ 74817c478bd9Sstevel@tonic-gate static void 74827c478bd9Sstevel@tonic-gate read_driver_aliases_file(void) 74837c478bd9Sstevel@tonic-gate { 74847c478bd9Sstevel@tonic-gate 74857c478bd9Sstevel@tonic-gate driver_alias_t *save; 74867c478bd9Sstevel@tonic-gate driver_alias_t *lst_tail; 74877c478bd9Sstevel@tonic-gate driver_alias_t *ap; 74887c478bd9Sstevel@tonic-gate static int cached = FALSE; 74897c478bd9Sstevel@tonic-gate FILE *afd; 74907c478bd9Sstevel@tonic-gate char line[256]; 74917c478bd9Sstevel@tonic-gate char *cp; 74927c478bd9Sstevel@tonic-gate char *p; 74937c478bd9Sstevel@tonic-gate char t; 74947c478bd9Sstevel@tonic-gate int ln = 0; 74957c478bd9Sstevel@tonic-gate static struct stat cached_sb; 74967c478bd9Sstevel@tonic-gate struct stat current_sb; 74977c478bd9Sstevel@tonic-gate 74987c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, ¤t_sb); 74997c478bd9Sstevel@tonic-gate 75007c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 75017c478bd9Sstevel@tonic-gate if (cached == TRUE) { 75027c478bd9Sstevel@tonic-gate 75037c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 75047c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", ALIASFILE); 75057c478bd9Sstevel@tonic-gate return; 75067c478bd9Sstevel@tonic-gate } 75077c478bd9Sstevel@tonic-gate 75087c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", ALIASFILE); 75097c478bd9Sstevel@tonic-gate while (driver_aliases != NULL) { 75107c478bd9Sstevel@tonic-gate free(driver_aliases->alias_name); 75117c478bd9Sstevel@tonic-gate free(driver_aliases->driver_name); 75127c478bd9Sstevel@tonic-gate save = driver_aliases; 75137c478bd9Sstevel@tonic-gate driver_aliases = driver_aliases->next; 75147c478bd9Sstevel@tonic-gate free(save); 75157c478bd9Sstevel@tonic-gate } 75167c478bd9Sstevel@tonic-gate } else { 75177c478bd9Sstevel@tonic-gate cached = TRUE; 75187c478bd9Sstevel@tonic-gate } 75197c478bd9Sstevel@tonic-gate 75207c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, &cached_sb); 75217c478bd9Sstevel@tonic-gate 75227c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", ALIASFILE); 75237c478bd9Sstevel@tonic-gate 75247c478bd9Sstevel@tonic-gate if ((afd = fopen(ALIASFILE, "r")) == NULL) { 75257c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, ALIASFILE, strerror(errno)); 75267c478bd9Sstevel@tonic-gate devfsadm_exit(1); 7527537714daSvikram /*NOTREACHED*/ 75287c478bd9Sstevel@tonic-gate } 75297c478bd9Sstevel@tonic-gate 75301ca93273Seota while (fgets(line, sizeof (line), afd) != NULL) { 75317c478bd9Sstevel@tonic-gate ln++; 75321ca93273Seota /* cut off comments starting with '#' */ 75331ca93273Seota if ((cp = strchr(line, '#')) != NULL) 75341ca93273Seota *cp = '\0'; 75351ca93273Seota /* ignore comment or blank lines */ 75361ca93273Seota if (is_blank(line)) 75371ca93273Seota continue; 75387c478bd9Sstevel@tonic-gate cp = line; 75397c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 75407c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, ALIASFILE); 75417c478bd9Sstevel@tonic-gate continue; 75427c478bd9Sstevel@tonic-gate } 75437c478bd9Sstevel@tonic-gate if (t == '\n' || t == '\0') { 75447c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 75457c478bd9Sstevel@tonic-gate continue; 75467c478bd9Sstevel@tonic-gate } 75477c478bd9Sstevel@tonic-gate ap = (struct driver_alias *) 75480a653502Swroche s_zalloc(sizeof (struct driver_alias)); 75497c478bd9Sstevel@tonic-gate ap->driver_name = s_strdup(p); 75507c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 75517c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 75527c478bd9Sstevel@tonic-gate free(ap->driver_name); 75537c478bd9Sstevel@tonic-gate free(ap); 75547c478bd9Sstevel@tonic-gate continue; 75557c478bd9Sstevel@tonic-gate } 75567c478bd9Sstevel@tonic-gate if (*p == '"') { 75577c478bd9Sstevel@tonic-gate if (p[strlen(p) - 1] == '"') { 75587c478bd9Sstevel@tonic-gate p[strlen(p) - 1] = '\0'; 75597c478bd9Sstevel@tonic-gate p++; 75607c478bd9Sstevel@tonic-gate } 75617c478bd9Sstevel@tonic-gate } 75627c478bd9Sstevel@tonic-gate ap->alias_name = s_strdup(p); 75637c478bd9Sstevel@tonic-gate if (driver_aliases == NULL) { 75647c478bd9Sstevel@tonic-gate driver_aliases = ap; 75657c478bd9Sstevel@tonic-gate lst_tail = ap; 75667c478bd9Sstevel@tonic-gate } else { 75677c478bd9Sstevel@tonic-gate lst_tail->next = ap; 75687c478bd9Sstevel@tonic-gate lst_tail = ap; 75697c478bd9Sstevel@tonic-gate } 75707c478bd9Sstevel@tonic-gate } 75717c478bd9Sstevel@tonic-gate if (fclose(afd) == EOF) { 75727c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, ALIASFILE, strerror(errno)); 75737c478bd9Sstevel@tonic-gate } 75747c478bd9Sstevel@tonic-gate } 75757c478bd9Sstevel@tonic-gate 75767c478bd9Sstevel@tonic-gate /* 75777c478bd9Sstevel@tonic-gate * return TRUE if alias_name is an alias for driver_name, otherwise 75787c478bd9Sstevel@tonic-gate * return FALSE. 75797c478bd9Sstevel@tonic-gate */ 75807c478bd9Sstevel@tonic-gate static int 75817c478bd9Sstevel@tonic-gate alias(char *driver_name, char *alias_name) 75827c478bd9Sstevel@tonic-gate { 75837c478bd9Sstevel@tonic-gate driver_alias_t *alias; 75847c478bd9Sstevel@tonic-gate 75857c478bd9Sstevel@tonic-gate /* 75867c478bd9Sstevel@tonic-gate * check for a match 75877c478bd9Sstevel@tonic-gate */ 75887c478bd9Sstevel@tonic-gate for (alias = driver_aliases; alias != NULL; alias = alias->next) { 75897c478bd9Sstevel@tonic-gate if ((strcmp(alias->driver_name, driver_name) == 0) && 75907c478bd9Sstevel@tonic-gate (strcmp(alias->alias_name, alias_name) == 0)) { 75917c478bd9Sstevel@tonic-gate return (TRUE); 75927c478bd9Sstevel@tonic-gate } 75937c478bd9Sstevel@tonic-gate } 75947c478bd9Sstevel@tonic-gate return (FALSE); 75957c478bd9Sstevel@tonic-gate } 75967c478bd9Sstevel@tonic-gate 75977c478bd9Sstevel@tonic-gate /* 75987c478bd9Sstevel@tonic-gate * convenience functions 75997c478bd9Sstevel@tonic-gate */ 7600facf4a8dSllai static int 7601facf4a8dSllai s_stat(const char *path, struct stat *sbufp) 7602facf4a8dSllai { 7603facf4a8dSllai int rv; 7604facf4a8dSllai retry: 7605facf4a8dSllai if ((rv = stat(path, sbufp)) == -1) { 7606facf4a8dSllai if (errno == EINTR) 7607facf4a8dSllai goto retry; 7608facf4a8dSllai } 7609facf4a8dSllai return (rv); 7610facf4a8dSllai } 7611facf4a8dSllai 76127c478bd9Sstevel@tonic-gate static void * 76137c478bd9Sstevel@tonic-gate s_malloc(const size_t size) 76147c478bd9Sstevel@tonic-gate { 76157c478bd9Sstevel@tonic-gate void *rp; 76167c478bd9Sstevel@tonic-gate 76177c478bd9Sstevel@tonic-gate rp = malloc(size); 76187c478bd9Sstevel@tonic-gate if (rp == NULL) { 76197c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, size); 76207c478bd9Sstevel@tonic-gate devfsadm_exit(1); 7621537714daSvikram /*NOTREACHED*/ 76227c478bd9Sstevel@tonic-gate } 76237c478bd9Sstevel@tonic-gate return (rp); 76247c478bd9Sstevel@tonic-gate } 76257c478bd9Sstevel@tonic-gate 76267c478bd9Sstevel@tonic-gate /* 76277c478bd9Sstevel@tonic-gate * convenience functions 76287c478bd9Sstevel@tonic-gate */ 76297c478bd9Sstevel@tonic-gate static void * 76307c478bd9Sstevel@tonic-gate s_realloc(void *ptr, const size_t size) 76317c478bd9Sstevel@tonic-gate { 76327c478bd9Sstevel@tonic-gate ptr = realloc(ptr, size); 76337c478bd9Sstevel@tonic-gate if (ptr == NULL) { 76347c478bd9Sstevel@tonic-gate err_print(REALLOC_FAILED, size); 76357c478bd9Sstevel@tonic-gate devfsadm_exit(1); 7636537714daSvikram /*NOTREACHED*/ 76377c478bd9Sstevel@tonic-gate } 76387c478bd9Sstevel@tonic-gate return (ptr); 76397c478bd9Sstevel@tonic-gate } 76407c478bd9Sstevel@tonic-gate 76417c478bd9Sstevel@tonic-gate static void * 76427c478bd9Sstevel@tonic-gate s_zalloc(const size_t size) 76437c478bd9Sstevel@tonic-gate { 76447c478bd9Sstevel@tonic-gate void *rp; 76457c478bd9Sstevel@tonic-gate 76467c478bd9Sstevel@tonic-gate rp = calloc(1, size); 76477c478bd9Sstevel@tonic-gate if (rp == NULL) { 76487c478bd9Sstevel@tonic-gate err_print(CALLOC_FAILED, size); 76497c478bd9Sstevel@tonic-gate devfsadm_exit(1); 7650537714daSvikram /*NOTREACHED*/ 76517c478bd9Sstevel@tonic-gate } 76527c478bd9Sstevel@tonic-gate return (rp); 76537c478bd9Sstevel@tonic-gate } 76547c478bd9Sstevel@tonic-gate 76557c478bd9Sstevel@tonic-gate char * 76567c478bd9Sstevel@tonic-gate s_strdup(const char *ptr) 76577c478bd9Sstevel@tonic-gate { 76587c478bd9Sstevel@tonic-gate void *rp; 76597c478bd9Sstevel@tonic-gate 76607c478bd9Sstevel@tonic-gate rp = strdup(ptr); 76617c478bd9Sstevel@tonic-gate if (rp == NULL) { 76627c478bd9Sstevel@tonic-gate err_print(STRDUP_FAILED, ptr); 76637c478bd9Sstevel@tonic-gate devfsadm_exit(1); 7664537714daSvikram /*NOTREACHED*/ 76657c478bd9Sstevel@tonic-gate } 76667c478bd9Sstevel@tonic-gate return (rp); 76677c478bd9Sstevel@tonic-gate } 76687c478bd9Sstevel@tonic-gate 76697c478bd9Sstevel@tonic-gate static void 76707c478bd9Sstevel@tonic-gate s_closedir(DIR *dirp) 76717c478bd9Sstevel@tonic-gate { 76727c478bd9Sstevel@tonic-gate retry: 76737c478bd9Sstevel@tonic-gate if (closedir(dirp) != 0) { 76747c478bd9Sstevel@tonic-gate if (errno == EINTR) 76757c478bd9Sstevel@tonic-gate goto retry; 76767c478bd9Sstevel@tonic-gate err_print(CLOSEDIR_FAILED, strerror(errno)); 76777c478bd9Sstevel@tonic-gate } 76787c478bd9Sstevel@tonic-gate } 76797c478bd9Sstevel@tonic-gate 76807c478bd9Sstevel@tonic-gate static void 76817c478bd9Sstevel@tonic-gate s_mkdirp(const char *path, const mode_t mode) 76827c478bd9Sstevel@tonic-gate { 76837c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "mkdirp(%s, 0x%lx)\n", path, mode); 76847c478bd9Sstevel@tonic-gate if (mkdirp(path, mode) == -1) { 76857c478bd9Sstevel@tonic-gate if (errno != EEXIST) { 76867c478bd9Sstevel@tonic-gate err_print(MKDIR_FAILED, path, mode, strerror(errno)); 76877c478bd9Sstevel@tonic-gate } 76887c478bd9Sstevel@tonic-gate } 76897c478bd9Sstevel@tonic-gate } 76907c478bd9Sstevel@tonic-gate 76917c478bd9Sstevel@tonic-gate static void 76927c478bd9Sstevel@tonic-gate s_unlink(const char *file) 76937c478bd9Sstevel@tonic-gate { 76947c478bd9Sstevel@tonic-gate retry: 76957c478bd9Sstevel@tonic-gate if (unlink(file) == -1) { 76967c478bd9Sstevel@tonic-gate if (errno == EINTR || errno == EAGAIN) 76977c478bd9Sstevel@tonic-gate goto retry; 76987c478bd9Sstevel@tonic-gate if (errno != ENOENT) { 76997c478bd9Sstevel@tonic-gate err_print(UNLINK_FAILED, file, strerror(errno)); 77007c478bd9Sstevel@tonic-gate } 77017c478bd9Sstevel@tonic-gate } 77027c478bd9Sstevel@tonic-gate } 77037c478bd9Sstevel@tonic-gate 77047c478bd9Sstevel@tonic-gate static void 77057c478bd9Sstevel@tonic-gate add_verbose_id(char *mid) 77067c478bd9Sstevel@tonic-gate { 77077c478bd9Sstevel@tonic-gate num_verbose++; 77087c478bd9Sstevel@tonic-gate verbose = s_realloc(verbose, num_verbose * sizeof (char *)); 77097c478bd9Sstevel@tonic-gate verbose[num_verbose - 1] = mid; 77107c478bd9Sstevel@tonic-gate } 77117c478bd9Sstevel@tonic-gate 77127c478bd9Sstevel@tonic-gate /* 77137c478bd9Sstevel@tonic-gate * returns DEVFSADM_TRUE if contents is a minor node in /devices. 77147c478bd9Sstevel@tonic-gate * If mn_root is not NULL, mn_root is set to: 77157c478bd9Sstevel@tonic-gate * if contents is a /dev node, mn_root = contents 77167c478bd9Sstevel@tonic-gate * OR 77177c478bd9Sstevel@tonic-gate * if contents is a /devices node, mn_root set to the '/' 77187c478bd9Sstevel@tonic-gate * following /devices. 77197c478bd9Sstevel@tonic-gate */ 77207c478bd9Sstevel@tonic-gate static int 77217c478bd9Sstevel@tonic-gate is_minor_node(char *contents, char **mn_root) 77227c478bd9Sstevel@tonic-gate { 77237c478bd9Sstevel@tonic-gate char *ptr; 77247c478bd9Sstevel@tonic-gate char device_prefix[100]; 77257c478bd9Sstevel@tonic-gate 77267c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "../devices/"); 77277c478bd9Sstevel@tonic-gate 77287c478bd9Sstevel@tonic-gate if ((ptr = strstr(contents, device_prefix)) != NULL) { 77297c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 77307c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 77317c478bd9Sstevel@tonic-gate *mn_root = ptr += strlen(device_prefix) - 1; 77327c478bd9Sstevel@tonic-gate } 77337c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 77347c478bd9Sstevel@tonic-gate } 77357c478bd9Sstevel@tonic-gate 77367c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "/devices/"); 77377c478bd9Sstevel@tonic-gate 77387c478bd9Sstevel@tonic-gate if (strncmp(contents, device_prefix, strlen(device_prefix)) == 0) { 77397c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 77407c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 77417c478bd9Sstevel@tonic-gate *mn_root = contents + strlen(device_prefix) - 1; 77427c478bd9Sstevel@tonic-gate } 77437c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 77447c478bd9Sstevel@tonic-gate } 77457c478bd9Sstevel@tonic-gate 77467c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 77477c478bd9Sstevel@tonic-gate *mn_root = contents; 77487c478bd9Sstevel@tonic-gate } 77497c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 77507c478bd9Sstevel@tonic-gate } 77517c478bd9Sstevel@tonic-gate 77527c478bd9Sstevel@tonic-gate /* 77537c478bd9Sstevel@tonic-gate * Add the specified property to nvl. 77547c478bd9Sstevel@tonic-gate * Returns: 77557c478bd9Sstevel@tonic-gate * 0 successfully added 77567c478bd9Sstevel@tonic-gate * -1 an error occurred 77577c478bd9Sstevel@tonic-gate * 1 could not add the property for reasons not due to errors. 77587c478bd9Sstevel@tonic-gate */ 77597c478bd9Sstevel@tonic-gate static int 77607c478bd9Sstevel@tonic-gate add_property(nvlist_t *nvl, di_prop_t prop) 77617c478bd9Sstevel@tonic-gate { 77627c478bd9Sstevel@tonic-gate char *name; 77637c478bd9Sstevel@tonic-gate char *attr_name; 77647c478bd9Sstevel@tonic-gate int n, len; 77657c478bd9Sstevel@tonic-gate int32_t *int32p; 77667c478bd9Sstevel@tonic-gate int64_t *int64p; 77677c478bd9Sstevel@tonic-gate char *str; 77687c478bd9Sstevel@tonic-gate char **strarray; 77697c478bd9Sstevel@tonic-gate uchar_t *bytep; 77707c478bd9Sstevel@tonic-gate int rv = 0; 77717c478bd9Sstevel@tonic-gate int i; 77727c478bd9Sstevel@tonic-gate 77737c478bd9Sstevel@tonic-gate if ((name = di_prop_name(prop)) == NULL) 77747c478bd9Sstevel@tonic-gate return (-1); 77757c478bd9Sstevel@tonic-gate 77767c478bd9Sstevel@tonic-gate len = sizeof (DEV_PROP_PREFIX) + strlen(name); 77777c478bd9Sstevel@tonic-gate if ((attr_name = malloc(len)) == NULL) 77787c478bd9Sstevel@tonic-gate return (-1); 77797c478bd9Sstevel@tonic-gate 77807c478bd9Sstevel@tonic-gate (void) strlcpy(attr_name, DEV_PROP_PREFIX, len); 77817c478bd9Sstevel@tonic-gate (void) strlcat(attr_name, name, len); 77827c478bd9Sstevel@tonic-gate 77837c478bd9Sstevel@tonic-gate switch (di_prop_type(prop)) { 77847c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BOOLEAN: 77857c478bd9Sstevel@tonic-gate if (nvlist_add_boolean(nvl, attr_name) != 0) 77867c478bd9Sstevel@tonic-gate goto out; 77877c478bd9Sstevel@tonic-gate break; 77887c478bd9Sstevel@tonic-gate 77897c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT: 77907c478bd9Sstevel@tonic-gate if ((n = di_prop_ints(prop, &int32p)) < 1) 77917c478bd9Sstevel@tonic-gate goto out; 77927c478bd9Sstevel@tonic-gate 77937c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int32_t))) { 77947c478bd9Sstevel@tonic-gate if (nvlist_add_int32_array(nvl, attr_name, int32p, 77957c478bd9Sstevel@tonic-gate n) != 0) 77967c478bd9Sstevel@tonic-gate goto out; 77977c478bd9Sstevel@tonic-gate } else 77987c478bd9Sstevel@tonic-gate rv = 1; 77997c478bd9Sstevel@tonic-gate break; 78007c478bd9Sstevel@tonic-gate 78017c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT64: 78027c478bd9Sstevel@tonic-gate if ((n = di_prop_int64(prop, &int64p)) < 1) 78037c478bd9Sstevel@tonic-gate goto out; 78047c478bd9Sstevel@tonic-gate 78057c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int64_t))) { 78067c478bd9Sstevel@tonic-gate if (nvlist_add_int64_array(nvl, attr_name, int64p, 78077c478bd9Sstevel@tonic-gate n) != 0) 78087c478bd9Sstevel@tonic-gate goto out; 78097c478bd9Sstevel@tonic-gate } else 78107c478bd9Sstevel@tonic-gate rv = 1; 78117c478bd9Sstevel@tonic-gate break; 78127c478bd9Sstevel@tonic-gate 78137c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BYTE: 78147c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_UNKNOWN: 78157c478bd9Sstevel@tonic-gate if ((n = di_prop_bytes(prop, &bytep)) < 1) 78167c478bd9Sstevel@tonic-gate goto out; 78177c478bd9Sstevel@tonic-gate 78187c478bd9Sstevel@tonic-gate if (n <= PROP_LEN_LIMIT) { 78197c478bd9Sstevel@tonic-gate if (nvlist_add_byte_array(nvl, attr_name, bytep, n) 78207c478bd9Sstevel@tonic-gate != 0) 78217c478bd9Sstevel@tonic-gate goto out; 78227c478bd9Sstevel@tonic-gate } else 78237c478bd9Sstevel@tonic-gate rv = 1; 78247c478bd9Sstevel@tonic-gate break; 78257c478bd9Sstevel@tonic-gate 78267c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_STRING: 78277c478bd9Sstevel@tonic-gate if ((n = di_prop_strings(prop, &str)) < 1) 78287c478bd9Sstevel@tonic-gate goto out; 78297c478bd9Sstevel@tonic-gate 78307c478bd9Sstevel@tonic-gate if ((strarray = malloc(n * sizeof (char *))) == NULL) 78317c478bd9Sstevel@tonic-gate goto out; 78327c478bd9Sstevel@tonic-gate 78337c478bd9Sstevel@tonic-gate len = 0; 78347c478bd9Sstevel@tonic-gate for (i = 0; i < n; i++) { 78357c478bd9Sstevel@tonic-gate strarray[i] = str + len; 78367c478bd9Sstevel@tonic-gate len += strlen(strarray[i]) + 1; 78377c478bd9Sstevel@tonic-gate } 78387c478bd9Sstevel@tonic-gate 78397c478bd9Sstevel@tonic-gate if (len <= PROP_LEN_LIMIT) { 78407c478bd9Sstevel@tonic-gate if (nvlist_add_string_array(nvl, attr_name, strarray, 78417c478bd9Sstevel@tonic-gate n) != 0) { 78427c478bd9Sstevel@tonic-gate free(strarray); 78437c478bd9Sstevel@tonic-gate goto out; 78447c478bd9Sstevel@tonic-gate } 78457c478bd9Sstevel@tonic-gate } else 78467c478bd9Sstevel@tonic-gate rv = 1; 78477c478bd9Sstevel@tonic-gate free(strarray); 78487c478bd9Sstevel@tonic-gate break; 78497c478bd9Sstevel@tonic-gate 78507c478bd9Sstevel@tonic-gate default: 78517c478bd9Sstevel@tonic-gate rv = 1; 78527c478bd9Sstevel@tonic-gate break; 78537c478bd9Sstevel@tonic-gate } 78547c478bd9Sstevel@tonic-gate 78557c478bd9Sstevel@tonic-gate free(attr_name); 78567c478bd9Sstevel@tonic-gate return (rv); 78577c478bd9Sstevel@tonic-gate 78587c478bd9Sstevel@tonic-gate out: 78597c478bd9Sstevel@tonic-gate free(attr_name); 78607c478bd9Sstevel@tonic-gate return (-1); 78617c478bd9Sstevel@tonic-gate } 78627c478bd9Sstevel@tonic-gate 78637c478bd9Sstevel@tonic-gate static void 78647c478bd9Sstevel@tonic-gate free_dev_names(struct devlink_cb_arg *x) 78657c478bd9Sstevel@tonic-gate { 78667c478bd9Sstevel@tonic-gate int i; 78677c478bd9Sstevel@tonic-gate 78687c478bd9Sstevel@tonic-gate for (i = 0; i < x->count; i++) { 78697c478bd9Sstevel@tonic-gate free(x->dev_names[i]); 78707c478bd9Sstevel@tonic-gate free(x->link_contents[i]); 78717c478bd9Sstevel@tonic-gate } 78727c478bd9Sstevel@tonic-gate } 78737c478bd9Sstevel@tonic-gate 78747c478bd9Sstevel@tonic-gate /* callback function for di_devlink_cache_walk */ 78757c478bd9Sstevel@tonic-gate static int 78767c478bd9Sstevel@tonic-gate devlink_cb(di_devlink_t dl, void *arg) 78777c478bd9Sstevel@tonic-gate { 78787c478bd9Sstevel@tonic-gate struct devlink_cb_arg *x = (struct devlink_cb_arg *)arg; 78797c478bd9Sstevel@tonic-gate const char *path; 78807c478bd9Sstevel@tonic-gate const char *content; 78817c478bd9Sstevel@tonic-gate 78827c478bd9Sstevel@tonic-gate if ((path = di_devlink_path(dl)) == NULL || 78837c478bd9Sstevel@tonic-gate (content = di_devlink_content(dl)) == NULL || 788412d8cf2aSjg (x->dev_names[x->count] = s_strdup(path)) == NULL) 78857c478bd9Sstevel@tonic-gate goto out; 78867c478bd9Sstevel@tonic-gate 788712d8cf2aSjg if ((x->link_contents[x->count] = s_strdup(content)) == NULL) { 78887c478bd9Sstevel@tonic-gate free(x->dev_names[x->count]); 78897c478bd9Sstevel@tonic-gate goto out; 78907c478bd9Sstevel@tonic-gate } 78917c478bd9Sstevel@tonic-gate 78927c478bd9Sstevel@tonic-gate x->count++; 78937c478bd9Sstevel@tonic-gate if (x->count >= MAX_DEV_NAME_COUNT) 78947c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 78957c478bd9Sstevel@tonic-gate 78967c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 78977c478bd9Sstevel@tonic-gate 78987c478bd9Sstevel@tonic-gate out: 78997c478bd9Sstevel@tonic-gate x->rv = -1; 79007c478bd9Sstevel@tonic-gate free_dev_names(x); 79017c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 79027c478bd9Sstevel@tonic-gate } 79037c478bd9Sstevel@tonic-gate 79047c478bd9Sstevel@tonic-gate /* 79057c478bd9Sstevel@tonic-gate * Lookup dev name corresponding to the phys_path. 79067c478bd9Sstevel@tonic-gate * phys_path is path to a node or minor node. 79077c478bd9Sstevel@tonic-gate * Returns: 79087c478bd9Sstevel@tonic-gate * 0 with *dev_name set to the dev name 79097c478bd9Sstevel@tonic-gate * Lookup succeeded and dev_name found 79107c478bd9Sstevel@tonic-gate * 0 with *dev_name set to NULL 79117c478bd9Sstevel@tonic-gate * Lookup encountered no errors but dev name not found 79127c478bd9Sstevel@tonic-gate * -1 79137c478bd9Sstevel@tonic-gate * Lookup failed 79147c478bd9Sstevel@tonic-gate */ 79157c478bd9Sstevel@tonic-gate static int 79167c478bd9Sstevel@tonic-gate lookup_dev_name(char *phys_path, char **dev_name) 79177c478bd9Sstevel@tonic-gate { 79187c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 79197c478bd9Sstevel@tonic-gate 79207c478bd9Sstevel@tonic-gate *dev_name = NULL; 79217c478bd9Sstevel@tonic-gate 79227c478bd9Sstevel@tonic-gate cb_arg.count = 0; 79237c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 79247c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, phys_path, 79257c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 79267c478bd9Sstevel@tonic-gate 79277c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1) 79287c478bd9Sstevel@tonic-gate return (-1); 79297c478bd9Sstevel@tonic-gate 79307c478bd9Sstevel@tonic-gate if (cb_arg.count > 0) { 793112d8cf2aSjg *dev_name = s_strdup(cb_arg.dev_names[0]); 79327c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 79337c478bd9Sstevel@tonic-gate if (*dev_name == NULL) 79347c478bd9Sstevel@tonic-gate return (-1); 79357c478bd9Sstevel@tonic-gate } 79367c478bd9Sstevel@tonic-gate 79377c478bd9Sstevel@tonic-gate return (0); 79387c478bd9Sstevel@tonic-gate } 79397c478bd9Sstevel@tonic-gate 79407c478bd9Sstevel@tonic-gate static char * 79417c478bd9Sstevel@tonic-gate lookup_disk_dev_name(char *node_path) 79427c478bd9Sstevel@tonic-gate { 79437c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 79447c478bd9Sstevel@tonic-gate char *dev_name = NULL; 79457c478bd9Sstevel@tonic-gate int i; 79467c478bd9Sstevel@tonic-gate char *p; 79477c478bd9Sstevel@tonic-gate int len1, len2; 79487c478bd9Sstevel@tonic-gate 79497c478bd9Sstevel@tonic-gate #define DEV_RDSK "/dev/rdsk/" 79507c478bd9Sstevel@tonic-gate #define DISK_RAW_MINOR ",raw" 79517c478bd9Sstevel@tonic-gate 79527c478bd9Sstevel@tonic-gate cb_arg.count = 0; 79537c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 79547c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 79557c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 79567c478bd9Sstevel@tonic-gate 79577c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1 || cb_arg.count == 0) 79587c478bd9Sstevel@tonic-gate return (NULL); 79597c478bd9Sstevel@tonic-gate 79607c478bd9Sstevel@tonic-gate /* first try lookup based on /dev/rdsk name */ 79617c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 79627c478bd9Sstevel@tonic-gate if (strncmp(cb_arg.dev_names[i], DEV_RDSK, 79637c478bd9Sstevel@tonic-gate sizeof (DEV_RDSK) - 1) == 0) { 796412d8cf2aSjg dev_name = s_strdup(cb_arg.dev_names[i]); 79657c478bd9Sstevel@tonic-gate break; 79667c478bd9Sstevel@tonic-gate } 79677c478bd9Sstevel@tonic-gate } 79687c478bd9Sstevel@tonic-gate 79697c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 79707c478bd9Sstevel@tonic-gate /* now try lookup based on a minor name ending with ",raw" */ 79717c478bd9Sstevel@tonic-gate len1 = sizeof (DISK_RAW_MINOR) - 1; 79727c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 79737c478bd9Sstevel@tonic-gate len2 = strlen(cb_arg.link_contents[i]); 79747c478bd9Sstevel@tonic-gate if (len2 >= len1 && 79757c478bd9Sstevel@tonic-gate strcmp(cb_arg.link_contents[i] + len2 - len1, 79767c478bd9Sstevel@tonic-gate DISK_RAW_MINOR) == 0) { 797712d8cf2aSjg dev_name = s_strdup(cb_arg.dev_names[i]); 79787c478bd9Sstevel@tonic-gate break; 79797c478bd9Sstevel@tonic-gate } 79807c478bd9Sstevel@tonic-gate } 79817c478bd9Sstevel@tonic-gate } 79827c478bd9Sstevel@tonic-gate 79837c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 79847c478bd9Sstevel@tonic-gate 798512d8cf2aSjg if (dev_name == NULL) 798612d8cf2aSjg return (NULL); 79877c478bd9Sstevel@tonic-gate if (strlen(dev_name) == 0) { 79887c478bd9Sstevel@tonic-gate free(dev_name); 79897c478bd9Sstevel@tonic-gate return (NULL); 79907c478bd9Sstevel@tonic-gate } 79917c478bd9Sstevel@tonic-gate 79927c478bd9Sstevel@tonic-gate /* if the name contains slice or partition number strip it */ 79937c478bd9Sstevel@tonic-gate p = dev_name + strlen(dev_name) - 1; 79947c478bd9Sstevel@tonic-gate if (isdigit(*p)) { 79957c478bd9Sstevel@tonic-gate while (p != dev_name && isdigit(*p)) 79967c478bd9Sstevel@tonic-gate p--; 79977c478bd9Sstevel@tonic-gate if (*p == 's' || *p == 'p') 79987c478bd9Sstevel@tonic-gate *p = '\0'; 79997c478bd9Sstevel@tonic-gate } 80007c478bd9Sstevel@tonic-gate 80017c478bd9Sstevel@tonic-gate return (dev_name); 80027c478bd9Sstevel@tonic-gate } 80037c478bd9Sstevel@tonic-gate 800430294554Sphitran static char * 800530294554Sphitran lookup_lofi_dev_name(char *node_path, char *minor) 800630294554Sphitran { 800730294554Sphitran struct devlink_cb_arg cb_arg; 800830294554Sphitran char *dev_name = NULL; 800930294554Sphitran int i; 801030294554Sphitran int len1, len2; 801130294554Sphitran 801230294554Sphitran cb_arg.count = 0; 801330294554Sphitran cb_arg.rv = 0; 801430294554Sphitran (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 801530294554Sphitran DI_PRIMARY_LINK, &cb_arg, devlink_cb); 801630294554Sphitran 801730294554Sphitran if (cb_arg.rv == -1 || cb_arg.count == 0) 801830294554Sphitran return (NULL); 801930294554Sphitran 802030294554Sphitran /* lookup based on a minor name ending with ",raw" */ 802130294554Sphitran len1 = strlen(minor); 802230294554Sphitran for (i = 0; i < cb_arg.count; i++) { 802330294554Sphitran len2 = strlen(cb_arg.link_contents[i]); 802430294554Sphitran if (len2 >= len1 && 802530294554Sphitran strcmp(cb_arg.link_contents[i] + len2 - len1, 802630294554Sphitran minor) == 0) { 802730294554Sphitran dev_name = s_strdup(cb_arg.dev_names[i]); 802830294554Sphitran break; 802930294554Sphitran } 803030294554Sphitran } 803130294554Sphitran 803230294554Sphitran free_dev_names(&cb_arg); 803330294554Sphitran 803430294554Sphitran if (dev_name == NULL) 803530294554Sphitran return (NULL); 803630294554Sphitran if (strlen(dev_name) == 0) { 803730294554Sphitran free(dev_name); 803830294554Sphitran return (NULL); 803930294554Sphitran } 804030294554Sphitran 804130294554Sphitran return (dev_name); 804230294554Sphitran } 804330294554Sphitran 80447c478bd9Sstevel@tonic-gate static char * 80457c478bd9Sstevel@tonic-gate lookup_network_dev_name(char *node_path, char *driver_name) 80467c478bd9Sstevel@tonic-gate { 80477c478bd9Sstevel@tonic-gate char *dev_name = NULL; 80487c478bd9Sstevel@tonic-gate char phys_path[MAXPATHLEN]; 80497c478bd9Sstevel@tonic-gate 80507c478bd9Sstevel@tonic-gate if (lookup_dev_name(node_path, &dev_name) == -1) 80517c478bd9Sstevel@tonic-gate return (NULL); 80527c478bd9Sstevel@tonic-gate 80537c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 80547c478bd9Sstevel@tonic-gate /* dlpi style-2 only interface */ 80557c478bd9Sstevel@tonic-gate (void) snprintf(phys_path, sizeof (phys_path), 80567c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", driver_name); 80577c478bd9Sstevel@tonic-gate if (lookup_dev_name(phys_path, &dev_name) == -1 || 80587c478bd9Sstevel@tonic-gate dev_name == NULL) 80597c478bd9Sstevel@tonic-gate return (NULL); 80607c478bd9Sstevel@tonic-gate } 80617c478bd9Sstevel@tonic-gate 80627c478bd9Sstevel@tonic-gate return (dev_name); 80637c478bd9Sstevel@tonic-gate } 80647c478bd9Sstevel@tonic-gate 8065db11e6feSjacobs static char * 8066db11e6feSjacobs lookup_printer_dev_name(char *node_path) 8067db11e6feSjacobs { 8068db11e6feSjacobs struct devlink_cb_arg cb_arg; 8069db11e6feSjacobs char *dev_name = NULL; 8070db11e6feSjacobs int i; 8071db11e6feSjacobs 8072db11e6feSjacobs #define DEV_PRINTERS "/dev/printers/" 8073db11e6feSjacobs 8074db11e6feSjacobs cb_arg.count = 0; 8075db11e6feSjacobs cb_arg.rv = 0; 8076db11e6feSjacobs (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 8077db11e6feSjacobs DI_PRIMARY_LINK, &cb_arg, devlink_cb); 8078db11e6feSjacobs 8079db11e6feSjacobs if (cb_arg.rv == -1 || cb_arg.count == 0) 8080db11e6feSjacobs return (NULL); 8081db11e6feSjacobs 8082db11e6feSjacobs /* first try lookup based on /dev/printers name */ 8083db11e6feSjacobs for (i = 0; i < cb_arg.count; i++) { 8084db11e6feSjacobs if (strncmp(cb_arg.dev_names[i], DEV_PRINTERS, 8085db11e6feSjacobs sizeof (DEV_PRINTERS) - 1) == 0) { 8086db11e6feSjacobs dev_name = s_strdup(cb_arg.dev_names[i]); 8087db11e6feSjacobs break; 8088db11e6feSjacobs } 8089db11e6feSjacobs } 8090db11e6feSjacobs 8091db11e6feSjacobs /* fallback to the first name */ 8092db11e6feSjacobs if ((dev_name == NULL) && (cb_arg.count > 0)) 8093db11e6feSjacobs dev_name = s_strdup(cb_arg.dev_names[0]); 8094db11e6feSjacobs 8095db11e6feSjacobs free_dev_names(&cb_arg); 8096db11e6feSjacobs 8097db11e6feSjacobs return (dev_name); 8098db11e6feSjacobs } 8099db11e6feSjacobs 81007c478bd9Sstevel@tonic-gate /* 81017c478bd9Sstevel@tonic-gate * Build an nvlist containing all attributes for devfs events. 81027c478bd9Sstevel@tonic-gate * Returns nvlist pointer on success, NULL on failure. 81037c478bd9Sstevel@tonic-gate */ 81047c478bd9Sstevel@tonic-gate static nvlist_t * 81057c478bd9Sstevel@tonic-gate build_event_attributes(char *class, char *subclass, char *node_path, 810630294554Sphitran di_node_t node, char *driver_name, int instance, char *minor) 81077c478bd9Sstevel@tonic-gate { 81087c478bd9Sstevel@tonic-gate nvlist_t *nvl; 81097c478bd9Sstevel@tonic-gate int err = 0; 81107c478bd9Sstevel@tonic-gate di_prop_t prop; 81117c478bd9Sstevel@tonic-gate int count; 81127c478bd9Sstevel@tonic-gate char *prop_name; 81137c478bd9Sstevel@tonic-gate int x; 81147c478bd9Sstevel@tonic-gate char *dev_name = NULL; 81157c478bd9Sstevel@tonic-gate int dev_name_lookup_err = 0; 81167c478bd9Sstevel@tonic-gate 81177c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, NV_UNIQUE_NAME_TYPE, 0)) != 0) { 81187c478bd9Sstevel@tonic-gate nvl = NULL; 81197c478bd9Sstevel@tonic-gate goto out; 81207c478bd9Sstevel@tonic-gate } 81217c478bd9Sstevel@tonic-gate 81227c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, EV_VERSION, EV_V1)) != 0) 81237c478bd9Sstevel@tonic-gate goto out; 81247c478bd9Sstevel@tonic-gate 81257c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_PHYS_PATH, node_path)) != 0) 81267c478bd9Sstevel@tonic-gate goto out; 81277c478bd9Sstevel@tonic-gate 81287c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) != 0 && 81297c478bd9Sstevel@tonic-gate strcmp(class, EC_DEV_REMOVE) != 0) 81307c478bd9Sstevel@tonic-gate return (nvl); 81317c478bd9Sstevel@tonic-gate 81327c478bd9Sstevel@tonic-gate if (driver_name == NULL || instance == -1) 81337c478bd9Sstevel@tonic-gate goto out; 81347c478bd9Sstevel@tonic-gate 81357c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DISK) == 0) { 81367c478bd9Sstevel@tonic-gate if ((dev_name = lookup_disk_dev_name(node_path)) == NULL) { 81377c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 81387c478bd9Sstevel@tonic-gate goto out; 81397c478bd9Sstevel@tonic-gate } 81407c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_NETWORK) == 0) { 81417c478bd9Sstevel@tonic-gate if ((dev_name = lookup_network_dev_name(node_path, driver_name)) 81427c478bd9Sstevel@tonic-gate == NULL) { 81437c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 81447c478bd9Sstevel@tonic-gate goto out; 81457c478bd9Sstevel@tonic-gate } 8146db11e6feSjacobs } else if (strcmp(subclass, ESC_PRINTER) == 0) { 8147db11e6feSjacobs if ((dev_name = lookup_printer_dev_name(node_path)) == NULL) { 8148db11e6feSjacobs dev_name_lookup_err = 1; 8149db11e6feSjacobs goto out; 8150db11e6feSjacobs } 815130294554Sphitran } else if (strcmp(subclass, ESC_LOFI) == 0) { 815230294554Sphitran /* 815330294554Sphitran * The raw minor node is created or removed after the block 815430294554Sphitran * node. Lofi devfs events are dependent on this behavior. 815530294554Sphitran * Generate the sysevent only for the raw minor node. 815630294554Sphitran */ 815730294554Sphitran if (strstr(minor, "raw") == NULL) { 815830294554Sphitran if (nvl) { 815930294554Sphitran nvlist_free(nvl); 816030294554Sphitran } 816130294554Sphitran return (NULL); 816230294554Sphitran } 816330294554Sphitran if ((dev_name = lookup_lofi_dev_name(node_path, minor)) == 816430294554Sphitran NULL) { 816530294554Sphitran dev_name_lookup_err = 1; 816630294554Sphitran goto out; 816730294554Sphitran } 81687c478bd9Sstevel@tonic-gate } 81697c478bd9Sstevel@tonic-gate 81707c478bd9Sstevel@tonic-gate if (dev_name) { 81717c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_NAME, dev_name)) != 0) 81727c478bd9Sstevel@tonic-gate goto out; 81737c478bd9Sstevel@tonic-gate free(dev_name); 81747c478bd9Sstevel@tonic-gate dev_name = NULL; 81757c478bd9Sstevel@tonic-gate } 81767c478bd9Sstevel@tonic-gate 81777c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_DRIVER_NAME, driver_name)) != 0) 81787c478bd9Sstevel@tonic-gate goto out; 81797c478bd9Sstevel@tonic-gate 81807c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, DEV_INSTANCE, instance)) != 0) 81817c478bd9Sstevel@tonic-gate goto out; 81827c478bd9Sstevel@tonic-gate 81837c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) == 0) { 81847c478bd9Sstevel@tonic-gate /* add properties */ 81857c478bd9Sstevel@tonic-gate count = 0; 81867c478bd9Sstevel@tonic-gate for (prop = di_prop_next(node, DI_PROP_NIL); 81877c478bd9Sstevel@tonic-gate prop != DI_PROP_NIL && count < MAX_PROP_COUNT; 81887c478bd9Sstevel@tonic-gate prop = di_prop_next(node, prop)) { 81897c478bd9Sstevel@tonic-gate 81907c478bd9Sstevel@tonic-gate if (di_prop_devt(prop) != DDI_DEV_T_NONE) 81917c478bd9Sstevel@tonic-gate continue; 81927c478bd9Sstevel@tonic-gate 81937c478bd9Sstevel@tonic-gate if ((x = add_property(nvl, prop)) == 0) 81947c478bd9Sstevel@tonic-gate count++; 81957c478bd9Sstevel@tonic-gate else if (x == -1) { 81967c478bd9Sstevel@tonic-gate if ((prop_name = di_prop_name(prop)) == NULL) 81977c478bd9Sstevel@tonic-gate prop_name = ""; 81987c478bd9Sstevel@tonic-gate err_print(PROP_ADD_FAILED, prop_name); 81997c478bd9Sstevel@tonic-gate goto out; 82007c478bd9Sstevel@tonic-gate } 82017c478bd9Sstevel@tonic-gate } 82027c478bd9Sstevel@tonic-gate } 82037c478bd9Sstevel@tonic-gate 82047c478bd9Sstevel@tonic-gate return (nvl); 82057c478bd9Sstevel@tonic-gate 82067c478bd9Sstevel@tonic-gate out: 82077c478bd9Sstevel@tonic-gate if (nvl) 82087c478bd9Sstevel@tonic-gate nvlist_free(nvl); 82097c478bd9Sstevel@tonic-gate 82107c478bd9Sstevel@tonic-gate if (dev_name) 82117c478bd9Sstevel@tonic-gate free(dev_name); 82127c478bd9Sstevel@tonic-gate 821393239addSjohnlev if (dev_name_lookup_err) { 821493239addSjohnlev /* 821593239addSjohnlev * If a lofi mount fails, the /devices node may well have 821693239addSjohnlev * disappeared by the time we run, so let's not complain. 821793239addSjohnlev */ 821893239addSjohnlev if (strcmp(subclass, ESC_LOFI) != 0) 821993239addSjohnlev err_print(DEV_NAME_LOOKUP_FAILED, node_path); 822093239addSjohnlev } else { 82217c478bd9Sstevel@tonic-gate err_print(BUILD_EVENT_ATTR_FAILED, (err) ? strerror(err) : ""); 822293239addSjohnlev } 82237c478bd9Sstevel@tonic-gate return (NULL); 82247c478bd9Sstevel@tonic-gate } 82257c478bd9Sstevel@tonic-gate 82267c478bd9Sstevel@tonic-gate static void 82277c478bd9Sstevel@tonic-gate log_event(char *class, char *subclass, nvlist_t *nvl) 82287c478bd9Sstevel@tonic-gate { 82297c478bd9Sstevel@tonic-gate sysevent_id_t eid; 82307c478bd9Sstevel@tonic-gate 82317c478bd9Sstevel@tonic-gate if (sysevent_post_event(class, subclass, "SUNW", DEVFSADMD, 82327c478bd9Sstevel@tonic-gate nvl, &eid) != 0) { 82337c478bd9Sstevel@tonic-gate err_print(LOG_EVENT_FAILED, strerror(errno)); 82347c478bd9Sstevel@tonic-gate } 82357c478bd9Sstevel@tonic-gate } 82367c478bd9Sstevel@tonic-gate 8237f05faa4eSjacobs /* 8238f05faa4eSjacobs * When devfsadmd needs to generate sysevents, they are queued for later 8239f05faa4eSjacobs * delivery this allows them to be delivered after the devlinks db cache has 8240f05faa4eSjacobs * been flushed guaranteeing that applications consuming these events have 8241f05faa4eSjacobs * access to an accurate devlinks db. The queue is a FIFO, sysevents to be 8242f05faa4eSjacobs * inserted in the front of the queue and consumed off the back. 8243f05faa4eSjacobs */ 8244f05faa4eSjacobs static void 8245f05faa4eSjacobs enqueue_sysevent(char *class, char *subclass, nvlist_t *nvl) 8246f05faa4eSjacobs { 8247f05faa4eSjacobs syseventq_t *tmp; 8248f05faa4eSjacobs 8249f05faa4eSjacobs if ((tmp = s_zalloc(sizeof (*tmp))) == NULL) 8250f05faa4eSjacobs return; 8251f05faa4eSjacobs 8252f05faa4eSjacobs tmp->class = s_strdup(class); 8253f05faa4eSjacobs tmp->subclass = s_strdup(subclass); 8254f05faa4eSjacobs tmp->nvl = nvl; 8255f05faa4eSjacobs 8256f05faa4eSjacobs (void) mutex_lock(&syseventq_mutex); 8257f05faa4eSjacobs if (syseventq_front != NULL) 8258f05faa4eSjacobs syseventq_front->next = tmp; 8259f05faa4eSjacobs else 8260f05faa4eSjacobs syseventq_back = tmp; 8261f05faa4eSjacobs syseventq_front = tmp; 8262f05faa4eSjacobs (void) mutex_unlock(&syseventq_mutex); 8263f05faa4eSjacobs } 8264f05faa4eSjacobs 8265f05faa4eSjacobs static void 8266f05faa4eSjacobs process_syseventq() 8267f05faa4eSjacobs { 8268f05faa4eSjacobs (void) mutex_lock(&syseventq_mutex); 8269f05faa4eSjacobs while (syseventq_back != NULL) { 8270f05faa4eSjacobs syseventq_t *tmp = syseventq_back; 8271f05faa4eSjacobs 8272f05faa4eSjacobs vprint(CHATTY_MID, "sending queued event: %s, %s\n", 82730a653502Swroche tmp->class, tmp->subclass); 8274f05faa4eSjacobs 8275f05faa4eSjacobs log_event(tmp->class, tmp->subclass, tmp->nvl); 8276f05faa4eSjacobs 8277f05faa4eSjacobs if (tmp->class != NULL) 8278f05faa4eSjacobs free(tmp->class); 8279f05faa4eSjacobs if (tmp->subclass != NULL) 8280f05faa4eSjacobs free(tmp->subclass); 8281f05faa4eSjacobs if (tmp->nvl != NULL) 8282f05faa4eSjacobs nvlist_free(tmp->nvl); 8283f05faa4eSjacobs syseventq_back = syseventq_back->next; 8284f05faa4eSjacobs if (syseventq_back == NULL) 8285f05faa4eSjacobs syseventq_front = NULL; 8286f05faa4eSjacobs free(tmp); 8287f05faa4eSjacobs } 8288f05faa4eSjacobs (void) mutex_unlock(&syseventq_mutex); 8289f05faa4eSjacobs } 8290f05faa4eSjacobs 82917c478bd9Sstevel@tonic-gate static void 8292f05faa4eSjacobs build_and_enq_event(char *class, char *subclass, char *node_path, 829330294554Sphitran di_node_t node, char *minor) 82947c478bd9Sstevel@tonic-gate { 82957c478bd9Sstevel@tonic-gate nvlist_t *nvl; 82967c478bd9Sstevel@tonic-gate 8297f05faa4eSjacobs vprint(CHATTY_MID, "build_and_enq_event(%s, %s, %s, 0x%8.8x)\n", 82980a653502Swroche class, subclass, node_path, (int)node); 8299f05faa4eSjacobs 83007c478bd9Sstevel@tonic-gate if (node != DI_NODE_NIL) 83017c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 830230294554Sphitran di_driver_name(node), di_instance(node), minor); 83037c478bd9Sstevel@tonic-gate else 83047c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 830530294554Sphitran NULL, -1, minor); 83067c478bd9Sstevel@tonic-gate 83077c478bd9Sstevel@tonic-gate if (nvl) { 8308f05faa4eSjacobs enqueue_sysevent(class, subclass, nvl); 83097c478bd9Sstevel@tonic-gate } 83107c478bd9Sstevel@tonic-gate } 8311facf4a8dSllai 83121ca93273Seota /* 83131ca93273Seota * is_blank() returns 1 (true) if a line specified is composed of 83141ca93273Seota * whitespace characters only. otherwise, it returns 0 (false). 83151ca93273Seota * 83161ca93273Seota * Note. the argument (line) must be null-terminated. 83171ca93273Seota */ 83181ca93273Seota static int 83191ca93273Seota is_blank(char *line) 83201ca93273Seota { 83211ca93273Seota for (/* nothing */; *line != '\0'; line++) 83221ca93273Seota if (!isspace(*line)) 83231ca93273Seota return (0); 83241ca93273Seota return (1); 83251ca93273Seota } 83261ca93273Seota 8327aa646b9dSvikram /* 8328aa646b9dSvikram * Functions to deal with the no-further-processing hash 8329aa646b9dSvikram */ 8330aa646b9dSvikram 8331aa646b9dSvikram static void 8332aa646b9dSvikram nfphash_create(void) 8333aa646b9dSvikram { 8334aa646b9dSvikram assert(nfp_hash == NULL); 8335aa646b9dSvikram nfp_hash = s_zalloc(NFP_HASH_SZ * sizeof (item_t *)); 8336aa646b9dSvikram } 8337aa646b9dSvikram 8338aa646b9dSvikram static int 8339aa646b9dSvikram nfphash_fcn(char *key) 8340aa646b9dSvikram { 8341aa646b9dSvikram int i; 8342aa646b9dSvikram uint64_t sum = 0; 8343aa646b9dSvikram 8344aa646b9dSvikram for (i = 0; key[i] != '\0'; i++) { 8345aa646b9dSvikram sum += (uchar_t)key[i]; 8346aa646b9dSvikram } 8347aa646b9dSvikram 8348aa646b9dSvikram return (sum % NFP_HASH_SZ); 8349aa646b9dSvikram } 8350aa646b9dSvikram 8351aa646b9dSvikram static item_t * 8352aa646b9dSvikram nfphash_lookup(char *key) 8353aa646b9dSvikram { 8354aa646b9dSvikram int index; 8355aa646b9dSvikram item_t *ip; 8356aa646b9dSvikram 8357aa646b9dSvikram index = nfphash_fcn(key); 8358aa646b9dSvikram 8359aa646b9dSvikram assert(index >= 0); 8360aa646b9dSvikram 8361aa646b9dSvikram for (ip = nfp_hash[index]; ip; ip = ip->i_next) { 8362aa646b9dSvikram if (strcmp(ip->i_key, key) == 0) 8363aa646b9dSvikram return (ip); 8364aa646b9dSvikram } 8365aa646b9dSvikram 8366aa646b9dSvikram return (NULL); 8367aa646b9dSvikram } 8368aa646b9dSvikram 8369aa646b9dSvikram static void 8370aa646b9dSvikram nfphash_insert(char *key) 8371aa646b9dSvikram { 8372aa646b9dSvikram item_t *ip; 8373aa646b9dSvikram int index; 8374aa646b9dSvikram 8375aa646b9dSvikram index = nfphash_fcn(key); 8376aa646b9dSvikram 8377aa646b9dSvikram assert(index >= 0); 8378aa646b9dSvikram 8379aa646b9dSvikram ip = s_zalloc(sizeof (item_t)); 8380aa646b9dSvikram ip->i_key = s_strdup(key); 8381aa646b9dSvikram 8382aa646b9dSvikram ip->i_next = nfp_hash[index]; 8383aa646b9dSvikram nfp_hash[index] = ip; 8384aa646b9dSvikram } 8385aa646b9dSvikram 8386aa646b9dSvikram static void 8387aa646b9dSvikram nfphash_destroy(void) 8388aa646b9dSvikram { 8389aa646b9dSvikram int i; 8390aa646b9dSvikram item_t *ip; 8391aa646b9dSvikram 8392aa646b9dSvikram for (i = 0; i < NFP_HASH_SZ; i++) { 8393aa646b9dSvikram /*LINTED*/ 8394aa646b9dSvikram while (ip = nfp_hash[i]) { 8395aa646b9dSvikram nfp_hash[i] = ip->i_next; 8396aa646b9dSvikram free(ip->i_key); 8397aa646b9dSvikram free(ip); 8398aa646b9dSvikram } 8399aa646b9dSvikram } 8400aa646b9dSvikram 8401aa646b9dSvikram free(nfp_hash); 8402aa646b9dSvikram nfp_hash = NULL; 8403aa646b9dSvikram } 8404aa646b9dSvikram 8405facf4a8dSllai static int 8406facf4a8dSllai devname_kcall(int subcmd, void *args) 8407facf4a8dSllai { 8408facf4a8dSllai int error = 0; 8409facf4a8dSllai char *nvlbuf = NULL; 8410facf4a8dSllai size_t nvlsize; 8411facf4a8dSllai 8412facf4a8dSllai switch (subcmd) { 8413facf4a8dSllai case MODDEVNAME_NSMAPS: 8414facf4a8dSllai error = nvlist_pack((nvlist_t *)args, &nvlbuf, &nvlsize, 0, 0); 8415facf4a8dSllai if (error) { 8416facf4a8dSllai err_print("packing MODDEVNAME_NSMAPS failed\n"); 8417facf4a8dSllai break; 8418facf4a8dSllai } 8419facf4a8dSllai error = modctl(MODDEVNAME, subcmd, nvlbuf, nvlsize); 8420facf4a8dSllai if (error) { 8421facf4a8dSllai vprint(INFO_MID, "modctl(MODDEVNAME, " 8422facf4a8dSllai "MODDEVNAME_NSMAPS) failed - %s\n", 8423facf4a8dSllai strerror(errno)); 8424facf4a8dSllai } 8425facf4a8dSllai free(nvlbuf); 8426facf4a8dSllai nvlist_free(args); 8427facf4a8dSllai break; 8428facf4a8dSllai case MODDEVNAME_LOOKUPDOOR: 8429facf4a8dSllai error = modctl(MODDEVNAME, subcmd, (uintptr_t)args); 8430facf4a8dSllai if (error) { 8431facf4a8dSllai vprint(INFO_MID, "modctl(MODDEVNAME, " 8432facf4a8dSllai "MODDEVNAME_LOOKUPDOOR) failed - %s\n", 8433facf4a8dSllai strerror(errno)); 8434facf4a8dSllai } 8435facf4a8dSllai break; 8436facf4a8dSllai default: 8437facf4a8dSllai error = EINVAL; 8438facf4a8dSllai break; 8439facf4a8dSllai } 8440facf4a8dSllai return (error); 8441facf4a8dSllai } 8442facf4a8dSllai 8443facf4a8dSllai static void 8444facf4a8dSllai devname_setup_nsmaps(void) 8445facf4a8dSllai { 8446facf4a8dSllai int error = 0; 8447facf4a8dSllai 8448facf4a8dSllai if (devname_first_call) { 8449facf4a8dSllai devname_first_call = 0; 8450facf4a8dSllai } 8451facf4a8dSllai 8452facf4a8dSllai error = di_devname_get_mapinfo(DEVNAME_MASTER_MAP, &devname_maps); 8453facf4a8dSllai 8454facf4a8dSllai if (error) { 84550bfaec69Sllai vprint(DEVNAME_MID, "devname_setup_nsmaps: non-existing/empty" 84560bfaec69Sllai "%s\n", DEVNAME_MASTER_MAP); 8457facf4a8dSllai } else { 8458facf4a8dSllai di_devname_print_mapinfo(devname_maps); 84590bfaec69Sllai 8460facf4a8dSllai /* pass down the existing map names to kernel */ 8461facf4a8dSllai (void) devname_kcall(MODDEVNAME_NSMAPS, (void *)devname_maps); 8462facf4a8dSllai } 8463facf4a8dSllai } 8464facf4a8dSllai 8465facf4a8dSllai static void 8466facf4a8dSllai devname_ns_services(uint8_t cmd, char *key, char *map) 8467facf4a8dSllai { 8468facf4a8dSllai nvlist_t *nvl = NULL; 8469facf4a8dSllai int32_t error = 0; 8470facf4a8dSllai sdev_door_res_t res; 8471facf4a8dSllai 8472facf4a8dSllai vprint(DEVNAME_MID, "devname_ns_services: cmd %d key %s map %s\n", 8473facf4a8dSllai cmd, key, map); 8474facf4a8dSllai 8475facf4a8dSllai switch (cmd) { 8476facf4a8dSllai case DEVFSADMD_NS_LOOKUP: 8477facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_get_mapent\n"); 8478facf4a8dSllai error = di_devname_get_mapent(key, map, &nvl); 8479facf4a8dSllai if (nvl == NULL) { 8480facf4a8dSllai error = DEVFSADM_NS_FAILED; 8481facf4a8dSllai goto done; 8482facf4a8dSllai } 8483facf4a8dSllai 8484facf4a8dSllai if (error) { 8485facf4a8dSllai nvlist_free(nvl); 8486facf4a8dSllai goto done; 8487facf4a8dSllai } 8488facf4a8dSllai 8489facf4a8dSllai if (devname_debug_msg) 8490facf4a8dSllai di_devname_print_mapinfo(nvl); 8491facf4a8dSllai 8492facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_action_on_key for %d\n", 8493facf4a8dSllai cmd); 8494facf4a8dSllai error = di_devname_action_on_key(nvl, cmd, key, (void *)&res); 8495facf4a8dSllai nvlist_free(nvl); 8496facf4a8dSllai break; 8497facf4a8dSllai case DEVFSADMD_NS_READDIR: 8498facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_get_mapinfo for cmd %d" 8499facf4a8dSllai "\n", cmd); 8500facf4a8dSllai error = di_devname_get_mapinfo(map, &nvl); 8501facf4a8dSllai if (nvl == NULL) { 8502facf4a8dSllai error = DEVFSADM_NS_FAILED; 8503facf4a8dSllai goto done; 8504facf4a8dSllai } 8505facf4a8dSllai 8506facf4a8dSllai if (error) { 8507facf4a8dSllai nvlist_free(nvl); 8508facf4a8dSllai goto done; 8509facf4a8dSllai } 8510facf4a8dSllai 8511facf4a8dSllai if (devname_debug_msg) 8512facf4a8dSllai di_devname_print_mapinfo(nvl); 8513facf4a8dSllai 8514facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_action_on_key\n"); 8515facf4a8dSllai error = di_devname_action_on_key(nvl, cmd, key, (void *)&res); 8516facf4a8dSllai nvlist_free(nvl); 8517facf4a8dSllai break; 8518facf4a8dSllai default: 8519facf4a8dSllai error = DEVFSADM_RUN_NOTSUP; 8520facf4a8dSllai break; 8521facf4a8dSllai } 8522facf4a8dSllai 8523facf4a8dSllai done: 8524facf4a8dSllai vprint(DEVNAME_MID, "error %d\n", error); 8525facf4a8dSllai res.devfsadm_error = error; 8526facf4a8dSllai (void) door_return((char *)&res, sizeof (struct sdev_door_res), 8527facf4a8dSllai NULL, 0); 8528facf4a8dSllai } 8529facf4a8dSllai 8530facf4a8dSllai /* ARGSUSED */ 8531facf4a8dSllai static void 8532facf4a8dSllai devname_lookup_handler(void *cookie, char *argp, size_t arg_size, 8533facf4a8dSllai door_desc_t *dp, uint_t n_desc) 8534facf4a8dSllai { 8535facf4a8dSllai int32_t error = 0; 8536facf4a8dSllai door_cred_t dcred; 8537facf4a8dSllai struct dca_impl dci; 8538facf4a8dSllai uint8_t cmd; 8539facf4a8dSllai char *ns_map, *ns_name; 8540facf4a8dSllai sdev_door_res_t res; 8541facf4a8dSllai sdev_door_arg_t *args; 8542facf4a8dSllai 8543facf4a8dSllai if (argp == NULL || arg_size == 0) { 8544facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: argp wrong\n"); 8545facf4a8dSllai error = DEVFSADM_RUN_INVALID; 8546facf4a8dSllai goto done; 8547facf4a8dSllai } 8548facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler\n"); 8549facf4a8dSllai 8550facf4a8dSllai if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 8551facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: cred wrong\n"); 8552facf4a8dSllai error = DEVFSADM_RUN_EPERM; 8553facf4a8dSllai goto done; 8554facf4a8dSllai } 8555facf4a8dSllai 8556facf4a8dSllai args = (sdev_door_arg_t *)argp; 8557facf4a8dSllai cmd = args->devfsadm_cmd; 8558facf4a8dSllai 8559facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: cmd %d\n", cmd); 8560facf4a8dSllai switch (cmd) { 8561facf4a8dSllai case DEVFSADMD_NS_LOOKUP: 8562facf4a8dSllai case DEVFSADMD_NS_READDIR: 8563facf4a8dSllai ns_name = s_strdup(args->ns_hdl.ns_name); 8564facf4a8dSllai ns_map = s_strdup(args->ns_hdl.ns_map); 8565facf4a8dSllai 8566facf4a8dSllai vprint(DEVNAME_MID, " ns_name %s ns_map %s\n", ns_name, ns_map); 8567facf4a8dSllai if (ns_name == NULL || ns_map == NULL) { 8568facf4a8dSllai error = DEVFSADM_RUN_INVALID; 8569facf4a8dSllai goto done; 8570facf4a8dSllai } 8571facf4a8dSllai 8572facf4a8dSllai devname_ns_services(cmd, ns_name, ns_map); 8573facf4a8dSllai return; 8574facf4a8dSllai case DEVFSADMD_RUN_ALL: 8575facf4a8dSllai /* 8576facf4a8dSllai * run "devfsadm" 8577facf4a8dSllai */ 8578facf4a8dSllai dci.dci_root = "/"; 8579facf4a8dSllai dci.dci_minor = NULL; 8580facf4a8dSllai dci.dci_driver = NULL; 8581facf4a8dSllai dci.dci_error = 0; 8582facf4a8dSllai dci.dci_flags = 0; 8583facf4a8dSllai dci.dci_arg = NULL; 8584facf4a8dSllai 8585facf4a8dSllai lock_dev(); 8586facf4a8dSllai update_drvconf((major_t)-1); 8587facf4a8dSllai dci.dci_flags |= DCA_FLUSH_PATHINST; 8588facf4a8dSllai 8589facf4a8dSllai pre_and_post_cleanup(RM_PRE); 8590facf4a8dSllai devi_tree_walk(&dci, DINFOFORCE|DI_CACHE_SNAPSHOT_FLAGS, NULL); 8591facf4a8dSllai error = (int32_t)dci.dci_error; 8592facf4a8dSllai if (!error) { 8593facf4a8dSllai pre_and_post_cleanup(RM_POST); 8594facf4a8dSllai update_database = TRUE; 8595facf4a8dSllai unlock_dev(SYNC_STATE); 8596facf4a8dSllai update_database = FALSE; 8597facf4a8dSllai } else { 8598facf4a8dSllai if (DEVFSADM_DEBUG_ON) { 8599facf4a8dSllai vprint(INFO_MID, "devname_lookup_handler: " 8600facf4a8dSllai "DEVFSADMD_RUN_ALL failed\n"); 8601facf4a8dSllai } 8602facf4a8dSllai 8603facf4a8dSllai unlock_dev(SYNC_STATE); 8604facf4a8dSllai } 8605facf4a8dSllai break; 8606facf4a8dSllai default: 8607facf4a8dSllai /* log an error here? */ 8608facf4a8dSllai error = DEVFSADM_RUN_NOTSUP; 8609facf4a8dSllai break; 8610facf4a8dSllai } 8611facf4a8dSllai 8612facf4a8dSllai done: 8613facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: error %d\n", error); 8614facf4a8dSllai res.devfsadm_error = error; 8615facf4a8dSllai (void) door_return((char *)&res, sizeof (struct sdev_door_res), 8616facf4a8dSllai NULL, 0); 8617facf4a8dSllai } 86188d483882Smlf 86198d483882Smlf 86208d483882Smlf di_devlink_handle_t 86218d483882Smlf devfsadm_devlink_cache(void) 86228d483882Smlf { 86238d483882Smlf return (devlink_cache); 86248d483882Smlf } 86258d483882Smlf 86268d483882Smlf int 86278d483882Smlf devfsadm_reserve_id_cache(devlink_re_t re_array[], enumerate_file_t *head) 86288d483882Smlf { 86298d483882Smlf enumerate_file_t *entry; 86308d483882Smlf int nelem; 86318d483882Smlf int i; 86328d483882Smlf int subex; 86338d483882Smlf char *re; 86348d483882Smlf size_t size; 86358d483882Smlf regmatch_t *pmch; 86368d483882Smlf 86378d483882Smlf /* 86388d483882Smlf * Check the <RE, subexp> array passed in and compile it. 86398d483882Smlf */ 86408d483882Smlf for (i = 0; re_array[i].d_re; i++) { 86418d483882Smlf if (re_array[i].d_subexp == 0) { 86428d483882Smlf err_print("bad subexp value in RE: %s\n", 86438d483882Smlf re_array[i].d_re); 86448d483882Smlf goto bad_re; 86458d483882Smlf } 86468d483882Smlf 86478d483882Smlf re = re_array[i].d_re; 86488d483882Smlf if (regcomp(&re_array[i].d_rcomp, re, REG_EXTENDED) != 0) { 86498d483882Smlf err_print("reg. exp. failed to compile: %s\n", re); 86508d483882Smlf goto bad_re; 86518d483882Smlf } 86528d483882Smlf subex = re_array[i].d_subexp; 86538d483882Smlf nelem = subex + 1; 86548d483882Smlf re_array[i].d_pmatch = s_malloc(sizeof (regmatch_t) * nelem); 86558d483882Smlf } 86568d483882Smlf 86578d483882Smlf entry = head ? head : enumerate_reserved; 86588d483882Smlf for (; entry; entry = entry->er_next) { 86598d483882Smlf if (entry->er_id) { 86608d483882Smlf vprint(RSBY_MID, "entry %s already has ID %s\n", 86618d483882Smlf entry->er_file, entry->er_id); 86628d483882Smlf continue; 86638d483882Smlf } 86648d483882Smlf for (i = 0; re_array[i].d_re; i++) { 86658d483882Smlf subex = re_array[i].d_subexp; 86668d483882Smlf pmch = re_array[i].d_pmatch; 86678d483882Smlf if (regexec(&re_array[i].d_rcomp, entry->er_file, 86688d483882Smlf subex + 1, pmch, 0) != 0) { 86698d483882Smlf /* No match */ 86708d483882Smlf continue; 86718d483882Smlf } 86728d483882Smlf size = pmch[subex].rm_eo - pmch[subex].rm_so; 86738d483882Smlf entry->er_id = s_malloc(size + 1); 86748d483882Smlf (void) strncpy(entry->er_id, 86758d483882Smlf &entry->er_file[pmch[subex].rm_so], size); 86768d483882Smlf entry->er_id[size] = '\0'; 86778d483882Smlf if (head) { 86788d483882Smlf vprint(RSBY_MID, "devlink(%s) matches RE(%s). " 86798d483882Smlf "ID is %s\n", entry->er_file, 86808d483882Smlf re_array[i].d_re, entry->er_id); 86818d483882Smlf } else { 86828d483882Smlf vprint(RSBY_MID, "rsrv entry(%s) matches " 86838d483882Smlf "RE(%s) ID is %s\n", entry->er_file, 86848d483882Smlf re_array[i].d_re, entry->er_id); 86858d483882Smlf } 86868d483882Smlf break; 86878d483882Smlf } 86888d483882Smlf } 86898d483882Smlf 86908d483882Smlf for (i = 0; re_array[i].d_re; i++) { 86918d483882Smlf regfree(&re_array[i].d_rcomp); 86928d483882Smlf assert(re_array[i].d_pmatch); 86938d483882Smlf free(re_array[i].d_pmatch); 86948d483882Smlf } 86958d483882Smlf 86968d483882Smlf entry = head ? head : enumerate_reserved; 86978d483882Smlf for (; entry; entry = entry->er_next) { 86988d483882Smlf if (entry->er_id == NULL) 86998d483882Smlf continue; 87008d483882Smlf if (head) { 87018d483882Smlf vprint(RSBY_MID, "devlink: %s\n", entry->er_file); 87028d483882Smlf vprint(RSBY_MID, "ID: %s\n", entry->er_id); 87038d483882Smlf } else { 87048d483882Smlf vprint(RSBY_MID, "reserve file entry: %s\n", 87058d483882Smlf entry->er_file); 87068d483882Smlf vprint(RSBY_MID, "reserve file id: %s\n", 87078d483882Smlf entry->er_id); 87088d483882Smlf } 87098d483882Smlf } 87108d483882Smlf 87118d483882Smlf return (DEVFSADM_SUCCESS); 87128d483882Smlf 87138d483882Smlf bad_re: 87148d483882Smlf for (i = i-1; i >= 0; i--) { 87158d483882Smlf regfree(&re_array[i].d_rcomp); 87168d483882Smlf assert(re_array[i].d_pmatch); 87178d483882Smlf free(re_array[i].d_pmatch); 87188d483882Smlf } 87198d483882Smlf return (DEVFSADM_FAILURE); 87208d483882Smlf } 8721e37c6c37Scth 8722e37c6c37Scth /* 8723e37c6c37Scth * Return 1 if we have reserved links. 8724e37c6c37Scth */ 8725e37c6c37Scth int 8726e37c6c37Scth devfsadm_have_reserved() 8727e37c6c37Scth { 8728e37c6c37Scth return (enumerate_reserved ? 1 : 0); 8729e37c6c37Scth } 87308d483882Smlf 87318d483882Smlf /* 87328d483882Smlf * This functions errs on the side of caution. If there is any error 87338d483882Smlf * we assume that the devlink is *not* reserved 87348d483882Smlf */ 87358d483882Smlf int 87368d483882Smlf devfsadm_is_reserved(devlink_re_t re_array[], char *devlink) 87378d483882Smlf { 87388d483882Smlf int match; 87398d483882Smlf enumerate_file_t estruct = {NULL}; 87408d483882Smlf enumerate_file_t *entry; 87418d483882Smlf 87428d483882Smlf match = 0; 87438d483882Smlf estruct.er_file = devlink; 87448d483882Smlf estruct.er_id = NULL; 87458d483882Smlf estruct.er_next = NULL; 87468d483882Smlf 87478d483882Smlf if (devfsadm_reserve_id_cache(re_array, &estruct) != DEVFSADM_SUCCESS) { 87488d483882Smlf err_print("devfsadm_is_reserved: devlink (%s) does not " 87498d483882Smlf "match RE\n", devlink); 87508d483882Smlf return (0); 87518d483882Smlf } 87528d483882Smlf if (estruct.er_id == NULL) { 87538d483882Smlf err_print("devfsadm_is_reserved: ID derived from devlink %s " 87548d483882Smlf "is NULL\n", devlink); 87558d483882Smlf return (0); 87568d483882Smlf } 87578d483882Smlf 87588d483882Smlf entry = enumerate_reserved; 87598d483882Smlf for (; entry; entry = entry->er_next) { 87608d483882Smlf if (entry->er_id == NULL) 87618d483882Smlf continue; 87628d483882Smlf if (strcmp(entry->er_id, estruct.er_id) != 0) 87638d483882Smlf continue; 87648d483882Smlf match = 1; 87658d483882Smlf vprint(RSBY_MID, "reserve file entry (%s) and devlink (%s) " 87668d483882Smlf "match\n", entry->er_file, devlink); 87678d483882Smlf break; 87688d483882Smlf } 87698d483882Smlf 87708d483882Smlf free(estruct.er_id); 87718d483882Smlf return (match); 87728d483882Smlf } 8773