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 /* 23ff2aee48Scth * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate /* 307c478bd9Sstevel@tonic-gate * Devfsadm replaces drvconfig, audlinks, disks, tapes, ports, devlinks 317c478bd9Sstevel@tonic-gate * as a general purpose device administrative utility. It creates 327c478bd9Sstevel@tonic-gate * devices special files in /devices and logical links in /dev, and 337c478bd9Sstevel@tonic-gate * coordinates updates to /etc/path_to_instance with the kernel. It 347c478bd9Sstevel@tonic-gate * operates in both command line mode to handle user or script invoked 357c478bd9Sstevel@tonic-gate * reconfiguration updates, and operates in daemon mode to handle dynamic 367c478bd9Sstevel@tonic-gate * reconfiguration for hotplugging support. 377c478bd9Sstevel@tonic-gate */ 387c478bd9Sstevel@tonic-gate 3945916cd2Sjpk #include <string.h> 40*f875b4ebSrica #include <deflt.h> 4145916cd2Sjpk #include <tsol/label.h> 4245916cd2Sjpk #include <bsm/devices.h> 4345916cd2Sjpk #include <bsm/devalloc.h> 447c478bd9Sstevel@tonic-gate #include <utime.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 6745916cd2Sjpk /* flag to update device allocation database for this device type */ 6845916cd2Sjpk static int update_devdb = 0; 6945916cd2Sjpk 7045916cd2Sjpk /* 7145916cd2Sjpk * devices to be deallocated with -d : 7245916cd2Sjpk * audio, floppy, cd, floppy, tape, rmdisk. 7345916cd2Sjpk */ 7445916cd2Sjpk static char *devalloc_list[10] = {DDI_NT_AUDIO, DDI_NT_CD, DDI_NT_CD_CHAN, 7545916cd2Sjpk DDI_NT_FD, DDI_NT_TAPE, DDI_NT_BLOCK_CHAN, 7645916cd2Sjpk DDI_NT_UGEN, DDI_NT_USB_ATTACHMENT_POINT, 7745916cd2Sjpk DDI_NT_SCSI_NEXUS, NULL}; 787c478bd9Sstevel@tonic-gate 7945916cd2Sjpk /* list of allocatable devices */ 8045916cd2Sjpk static devlist_t devlist; 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate /* load a single driver only. set with -i */ 837c478bd9Sstevel@tonic-gate static int single_drv = FALSE; 847c478bd9Sstevel@tonic-gate static char *driver = NULL; 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate /* attempt to load drivers or defer attach nodes */ 877c478bd9Sstevel@tonic-gate static int load_attach_drv = TRUE; 887c478bd9Sstevel@tonic-gate 897c478bd9Sstevel@tonic-gate /* set if invoked via /usr/lib/devfsadm/devfsadmd */ 907c478bd9Sstevel@tonic-gate static int daemon_mode = FALSE; 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate /* output directed to syslog during daemon mode if set */ 937c478bd9Sstevel@tonic-gate static int logflag = FALSE; 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate /* build links in /dev. -x to turn off */ 967c478bd9Sstevel@tonic-gate static int build_dev = TRUE; 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate /* build nodes in /devices. -y to turn off */ 997c478bd9Sstevel@tonic-gate static int build_devices = TRUE; 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate /* -z to turn off */ 1027c478bd9Sstevel@tonic-gate static int flush_path_to_inst_enable = TRUE; 1037c478bd9Sstevel@tonic-gate 1047c478bd9Sstevel@tonic-gate /* variables used for path_to_inst flushing */ 1057c478bd9Sstevel@tonic-gate static int inst_count = 0; 1067c478bd9Sstevel@tonic-gate static mutex_t count_lock; 1077c478bd9Sstevel@tonic-gate static cond_t cv; 1087c478bd9Sstevel@tonic-gate 109ff2aee48Scth /* variables for minor_fini thread */ 1107c478bd9Sstevel@tonic-gate static mutex_t minor_fini_mutex; 111ff2aee48Scth static int minor_fini_canceled = TRUE; 112ff2aee48Scth static int minor_fini_delayed = FALSE; 113ff2aee48Scth static cond_t minor_fini_cv; 114ff2aee48Scth static int minor_fini_timeout = MINOR_FINI_TIMEOUT_DEFAULT; 1157c478bd9Sstevel@tonic-gate 1167c478bd9Sstevel@tonic-gate /* single-threads /dev modification */ 1177c478bd9Sstevel@tonic-gate static sema_t dev_sema; 1187c478bd9Sstevel@tonic-gate 1197c478bd9Sstevel@tonic-gate /* the program we were invoked as; ie argv[0] */ 1207c478bd9Sstevel@tonic-gate static char *prog; 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate /* pointers to create/remove link lists */ 1237c478bd9Sstevel@tonic-gate static create_list_t *create_head = NULL; 1247c478bd9Sstevel@tonic-gate static remove_list_t *remove_head = NULL; 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate /* supports the class -c option */ 1277c478bd9Sstevel@tonic-gate static char **classes = NULL; 1287c478bd9Sstevel@tonic-gate static int num_classes = 0; 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate /* used with verbose option -v or -V */ 1317c478bd9Sstevel@tonic-gate static int num_verbose = 0; 1327c478bd9Sstevel@tonic-gate static char **verbose = NULL; 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate static struct mperm *minor_perms = NULL; 1357c478bd9Sstevel@tonic-gate static driver_alias_t *driver_aliases = NULL; 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate /* set if -r alternate root given */ 1387c478bd9Sstevel@tonic-gate static char *root_dir = ""; 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate /* /devices or <rootdir>/devices */ 1417c478bd9Sstevel@tonic-gate static char *devices_dir = DEVICES; 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate /* /dev or <rootdir>/dev */ 1447c478bd9Sstevel@tonic-gate static char *dev_dir = DEV; 1457c478bd9Sstevel@tonic-gate 146facf4a8dSllai /* /etc/dev or <rootdir>/etc/dev */ 147facf4a8dSllai static char *etc_dev_dir = ETCDEV; 148facf4a8dSllai 149facf4a8dSllai /* 150facf4a8dSllai * writable root (for lock files and doors during install). 151facf4a8dSllai * This is also root dir for /dev attr dir during install. 152facf4a8dSllai */ 153facf4a8dSllai static char *attr_root = NULL; 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate /* /etc/path_to_inst unless -p used */ 1567c478bd9Sstevel@tonic-gate static char *inst_file = INSTANCE_FILE; 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate /* /usr/lib/devfsadm/linkmods unless -l used */ 1597c478bd9Sstevel@tonic-gate static char *module_dirs = MODULE_DIRS; 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate /* default uid/gid used if /etc/minor_perm entry not found */ 1627c478bd9Sstevel@tonic-gate static uid_t root_uid; 1637c478bd9Sstevel@tonic-gate static gid_t sys_gid; 1647c478bd9Sstevel@tonic-gate 1657c478bd9Sstevel@tonic-gate /* /etc/devlink.tab unless devlinks -t used */ 1667c478bd9Sstevel@tonic-gate static char *devlinktab_file = NULL; 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate /* set if /dev link is new. speeds up rm_stale_links */ 1697c478bd9Sstevel@tonic-gate static int linknew = TRUE; 1707c478bd9Sstevel@tonic-gate 1717c478bd9Sstevel@tonic-gate /* variables for devlink.tab compat processing */ 1727c478bd9Sstevel@tonic-gate static devlinktab_list_t *devlinktab_list = NULL; 1737c478bd9Sstevel@tonic-gate static unsigned int devlinktab_line = 0; 1747c478bd9Sstevel@tonic-gate 1757c478bd9Sstevel@tonic-gate /* cache head for devfsadm_enumerate*() functions */ 1767c478bd9Sstevel@tonic-gate static numeral_set_t *head_numeral_set = NULL; 1777c478bd9Sstevel@tonic-gate 1787c478bd9Sstevel@tonic-gate /* list list of devfsadm modules */ 1797c478bd9Sstevel@tonic-gate static module_t *module_head = NULL; 1807c478bd9Sstevel@tonic-gate 1817c478bd9Sstevel@tonic-gate /* name_to_major list used in utility function */ 1827c478bd9Sstevel@tonic-gate static n2m_t *n2m_list = NULL; 1837c478bd9Sstevel@tonic-gate 1847c478bd9Sstevel@tonic-gate /* cache of some links used for performance */ 1857c478bd9Sstevel@tonic-gate static linkhead_t *headlinkhead = NULL; 1867c478bd9Sstevel@tonic-gate 1877c478bd9Sstevel@tonic-gate /* locking variables to prevent multiples writes to /dev */ 1887c478bd9Sstevel@tonic-gate static int hold_dev_lock = FALSE; 1897c478bd9Sstevel@tonic-gate static int hold_daemon_lock = FALSE; 1907c478bd9Sstevel@tonic-gate static int dev_lock_fd; 1917c478bd9Sstevel@tonic-gate static int daemon_lock_fd; 1927c478bd9Sstevel@tonic-gate static char dev_lockfile[PATH_MAX + 1]; 1937c478bd9Sstevel@tonic-gate static char daemon_lockfile[PATH_MAX + 1]; 1947c478bd9Sstevel@tonic-gate 1957c478bd9Sstevel@tonic-gate /* last devinfo node/minor processed. used for performance */ 1967c478bd9Sstevel@tonic-gate static di_node_t lnode; 1977c478bd9Sstevel@tonic-gate static di_minor_t lminor; 1987c478bd9Sstevel@tonic-gate static char lphy_path[PATH_MAX + 1] = {""}; 1997c478bd9Sstevel@tonic-gate 2007c478bd9Sstevel@tonic-gate /* Globals used by the link database */ 2017c478bd9Sstevel@tonic-gate static di_devlink_handle_t devlink_cache; 2027c478bd9Sstevel@tonic-gate static int update_database = FALSE; 2037c478bd9Sstevel@tonic-gate 2047c478bd9Sstevel@tonic-gate /* Globals used to set logindev perms */ 2057c478bd9Sstevel@tonic-gate static struct login_dev *login_dev_cache = NULL; 2067c478bd9Sstevel@tonic-gate static int login_dev_enable = FALSE; 2077c478bd9Sstevel@tonic-gate 2087c478bd9Sstevel@tonic-gate /* Global to use devinfo snapshot cache */ 2097c478bd9Sstevel@tonic-gate static int use_snapshot_cache = FALSE; 2107c478bd9Sstevel@tonic-gate 211aa646b9dSvikram /* Global for no-further-processing hash */ 212aa646b9dSvikram static item_t **nfp_hash; 213aa646b9dSvikram static mutex_t nfp_mutex = DEFAULTMUTEX; 214aa646b9dSvikram 2157c478bd9Sstevel@tonic-gate /* 2167c478bd9Sstevel@tonic-gate * Packaged directories - not removed even when empty. 2177c478bd9Sstevel@tonic-gate * The dirs must be listed in canonical form 2187c478bd9Sstevel@tonic-gate * i.e. without leading "/dev/" 2197c478bd9Sstevel@tonic-gate */ 2207c478bd9Sstevel@tonic-gate static char *packaged_dirs[] = 2217c478bd9Sstevel@tonic-gate {"dsk", "rdsk", "term", NULL}; 2227c478bd9Sstevel@tonic-gate 2237c478bd9Sstevel@tonic-gate /* RCM related globals */ 2247c478bd9Sstevel@tonic-gate static void *librcm_hdl; 2257c478bd9Sstevel@tonic-gate static rcm_handle_t *rcm_hdl = NULL; 2267c478bd9Sstevel@tonic-gate static thread_t process_rcm_events_tid; 2277c478bd9Sstevel@tonic-gate static struct rcm_eventq *volatile rcm_eventq_head = NULL; 2287c478bd9Sstevel@tonic-gate static struct rcm_eventq *rcm_eventq_tail = NULL; 2297c478bd9Sstevel@tonic-gate static mutex_t rcm_eventq_lock; 2307c478bd9Sstevel@tonic-gate static cond_t rcm_eventq_cv; 2317c478bd9Sstevel@tonic-gate static volatile int need_to_exit_rcm_event_thread = 0; 2327c478bd9Sstevel@tonic-gate 233facf4a8dSllai /* Devname globals */ 234facf4a8dSllai static int devname_debug_msg = 1; 235facf4a8dSllai static nvlist_t *devname_maps = NULL; 236facf4a8dSllai static int devname_first_call = 1; 237facf4a8dSllai static int load_devname_nsmaps = FALSE; 238facf4a8dSllai static int lookup_door_fd = -1; 239facf4a8dSllai static char *lookup_door_path; 240facf4a8dSllai 2417c478bd9Sstevel@tonic-gate static void load_dev_acl(void); 2427c478bd9Sstevel@tonic-gate static void update_drvconf(major_t); 243facf4a8dSllai static void check_reconfig_state(void); 244facf4a8dSllai static void devname_setup_nsmaps(void); 245facf4a8dSllai static int s_stat(const char *, struct stat *); 2467c478bd9Sstevel@tonic-gate 2471ca93273Seota static int is_blank(char *); 2481ca93273Seota 249f05faa4eSjacobs /* sysevent queue related globals */ 250f05faa4eSjacobs static mutex_t syseventq_mutex = DEFAULTMUTEX; 251f05faa4eSjacobs static syseventq_t *syseventq_front; 252f05faa4eSjacobs static syseventq_t *syseventq_back; 253f05faa4eSjacobs static void process_syseventq(); 254f05faa4eSjacobs 2557c478bd9Sstevel@tonic-gate int 2567c478bd9Sstevel@tonic-gate main(int argc, char *argv[]) 2577c478bd9Sstevel@tonic-gate { 2587c478bd9Sstevel@tonic-gate struct passwd *pw; 2597c478bd9Sstevel@tonic-gate struct group *gp; 2607c478bd9Sstevel@tonic-gate pid_t pid; 2617c478bd9Sstevel@tonic-gate 2627c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 2637c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 2647c478bd9Sstevel@tonic-gate 2657c478bd9Sstevel@tonic-gate if ((prog = strrchr(argv[0], '/')) == NULL) { 2667c478bd9Sstevel@tonic-gate prog = argv[0]; 2677c478bd9Sstevel@tonic-gate } else { 2687c478bd9Sstevel@tonic-gate prog++; 2697c478bd9Sstevel@tonic-gate } 2707c478bd9Sstevel@tonic-gate 2717c478bd9Sstevel@tonic-gate if (getuid() != 0) { 2727c478bd9Sstevel@tonic-gate err_print(MUST_BE_ROOT); 2737c478bd9Sstevel@tonic-gate devfsadm_exit(1); 2747c478bd9Sstevel@tonic-gate } 2757c478bd9Sstevel@tonic-gate 2767c478bd9Sstevel@tonic-gate /* 2777c478bd9Sstevel@tonic-gate * Close all files except stdin/stdout/stderr 2787c478bd9Sstevel@tonic-gate */ 2797c478bd9Sstevel@tonic-gate closefrom(3); 2807c478bd9Sstevel@tonic-gate 2817c478bd9Sstevel@tonic-gate if ((pw = getpwnam(DEFAULT_DEV_USER)) != NULL) { 2827c478bd9Sstevel@tonic-gate root_uid = pw->pw_uid; 2837c478bd9Sstevel@tonic-gate } else { 2847c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 2857c478bd9Sstevel@tonic-gate root_uid = (uid_t)0; /* assume 0 is root */ 2867c478bd9Sstevel@tonic-gate } 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate /* the default group is sys */ 2897c478bd9Sstevel@tonic-gate 2907c478bd9Sstevel@tonic-gate if ((gp = getgrnam(DEFAULT_DEV_GROUP)) != NULL) { 2917c478bd9Sstevel@tonic-gate sys_gid = gp->gr_gid; 2927c478bd9Sstevel@tonic-gate } else { 2937c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 2947c478bd9Sstevel@tonic-gate sys_gid = (gid_t)3; /* assume 3 is sys */ 2957c478bd9Sstevel@tonic-gate } 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate (void) umask(0); 2987c478bd9Sstevel@tonic-gate 29945916cd2Sjpk system_labeled = is_system_labeled(); 30045916cd2Sjpk if (system_labeled == FALSE) { 30145916cd2Sjpk /* 30245916cd2Sjpk * is_system_labeled() will return false in case we are 30345916cd2Sjpk * starting before the first reboot after Trusted Extensions 304*f875b4ebSrica * is enabled. Check the setting in /etc/system to see if 305*f875b4ebSrica * TX is enabled (even if not yet booted). 30645916cd2Sjpk */ 307*f875b4ebSrica if (defopen("/etc/system") == 0) { 308*f875b4ebSrica if (defread("set sys_labeling=1") != NULL) 309*f875b4ebSrica system_labeled = TRUE; 310*f875b4ebSrica 311*f875b4ebSrica /* close defaults file */ 312*f875b4ebSrica (void) defopen(NULL); 313facf4a8dSllai } 31445916cd2Sjpk } 31545916cd2Sjpk 316*f875b4ebSrica #ifdef DEBUG 317*f875b4ebSrica if (system_labeled == FALSE) { 318*f875b4ebSrica struct stat tx_stat; 319*f875b4ebSrica 320*f875b4ebSrica /* test hook: see also mkdevalloc.c and allocate.c */ 321*f875b4ebSrica system_labeled = is_system_labeled_debug(&tx_stat); 322*f875b4ebSrica } 323*f875b4ebSrica #endif 324*f875b4ebSrica 3257c478bd9Sstevel@tonic-gate parse_args(argc, argv); 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate (void) sema_init(&dev_sema, 1, USYNC_THREAD, NULL); 3287c478bd9Sstevel@tonic-gate 32945916cd2Sjpk /* Initialize device allocation list */ 33045916cd2Sjpk devlist.audio = devlist.cd = devlist.floppy = devlist.tape = 33145916cd2Sjpk devlist.rmdisk = NULL; 33245916cd2Sjpk 3337c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) { 3347c478bd9Sstevel@tonic-gate /* 3357c478bd9Sstevel@tonic-gate * Build /dev and /devices before daemonizing if 3367c478bd9Sstevel@tonic-gate * reconfig booting and daemon invoked with alternate 3377c478bd9Sstevel@tonic-gate * root. This is to support install. 3387c478bd9Sstevel@tonic-gate */ 3397c478bd9Sstevel@tonic-gate if (getenv(RECONFIG_BOOT) != NULL && root_dir[0] != '\0') { 3407c478bd9Sstevel@tonic-gate vprint(INFO_MID, CONFIGURING); 3417c478bd9Sstevel@tonic-gate load_dev_acl(); 3427c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 3437c478bd9Sstevel@tonic-gate process_devinfo_tree(); 3447c478bd9Sstevel@tonic-gate (void) modctl(MODSETMINIROOT); 3457c478bd9Sstevel@tonic-gate } 3467c478bd9Sstevel@tonic-gate 3477c478bd9Sstevel@tonic-gate /* 3487c478bd9Sstevel@tonic-gate * fork before detaching from tty in order to print error 3497c478bd9Sstevel@tonic-gate * message if unable to acquire file lock. locks not preserved 3507c478bd9Sstevel@tonic-gate * across forks. Even under debug we want to fork so that 3517c478bd9Sstevel@tonic-gate * when executed at boot we don't hang. 3527c478bd9Sstevel@tonic-gate */ 3537c478bd9Sstevel@tonic-gate if (fork() != 0) { 3547c478bd9Sstevel@tonic-gate devfsadm_exit(0); 3557c478bd9Sstevel@tonic-gate } 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate /* set directory to / so it coredumps there */ 3587c478bd9Sstevel@tonic-gate if (chdir("/") == -1) { 3597c478bd9Sstevel@tonic-gate err_print(CHROOT_FAILED, strerror(errno)); 3607c478bd9Sstevel@tonic-gate } 3617c478bd9Sstevel@tonic-gate 3627c478bd9Sstevel@tonic-gate /* only one daemon can run at a time */ 3637c478bd9Sstevel@tonic-gate if ((pid = enter_daemon_lock()) == getpid()) { 3647c478bd9Sstevel@tonic-gate detachfromtty(); 3657c478bd9Sstevel@tonic-gate (void) cond_init(&cv, USYNC_THREAD, 0); 3667c478bd9Sstevel@tonic-gate (void) mutex_init(&count_lock, USYNC_THREAD, 0); 3677c478bd9Sstevel@tonic-gate if (thr_create(NULL, NULL, 368ff2aee48Scth (void *(*)(void *))instance_flush_thread, 369ff2aee48Scth NULL, THR_DETACHED, NULL) != 0) { 3707c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "daemon", 3717c478bd9Sstevel@tonic-gate strerror(errno)); 3727c478bd9Sstevel@tonic-gate devfsadm_exit(1); 3737c478bd9Sstevel@tonic-gate } 3747c478bd9Sstevel@tonic-gate 375ff2aee48Scth /* start the minor_fini_thread */ 376ff2aee48Scth (void) mutex_init(&minor_fini_mutex, USYNC_THREAD, 0); 377ff2aee48Scth (void) cond_init(&minor_fini_cv, USYNC_THREAD, 0); 378ff2aee48Scth if (thr_create(NULL, NULL, 379ff2aee48Scth (void *(*)(void *))minor_fini_thread, 380ff2aee48Scth NULL, THR_DETACHED, NULL)) { 381ff2aee48Scth err_print(CANT_CREATE_THREAD, "minor_fini", 382ff2aee48Scth strerror(errno)); 383ff2aee48Scth devfsadm_exit(1); 384ff2aee48Scth } 385ff2aee48Scth 386ff2aee48Scth 3877c478bd9Sstevel@tonic-gate /* 3887c478bd9Sstevel@tonic-gate * No need for rcm notifications when running 3897c478bd9Sstevel@tonic-gate * with an alternate root. So initialize rcm only 3907c478bd9Sstevel@tonic-gate * when devfsadm is running with root dir "/". 3917c478bd9Sstevel@tonic-gate * Similarly, logindevperms need only be set 3927c478bd9Sstevel@tonic-gate * in daemon mode and when root dir is "/". 3937c478bd9Sstevel@tonic-gate */ 3947c478bd9Sstevel@tonic-gate if (root_dir[0] == '\0') { 3957c478bd9Sstevel@tonic-gate (void) rcm_init(); 3967c478bd9Sstevel@tonic-gate login_dev_enable = TRUE; 3977c478bd9Sstevel@tonic-gate } 3987c478bd9Sstevel@tonic-gate daemon_update(); 3997c478bd9Sstevel@tonic-gate } else { 4007c478bd9Sstevel@tonic-gate err_print(DAEMON_RUNNING, pid); 4017c478bd9Sstevel@tonic-gate devfsadm_exit(1); 4027c478bd9Sstevel@tonic-gate } 4037c478bd9Sstevel@tonic-gate exit_daemon_lock(); 4047c478bd9Sstevel@tonic-gate 4057c478bd9Sstevel@tonic-gate } else { 4067c478bd9Sstevel@tonic-gate /* not a daemon, so just build /dev and /devices */ 4077c478bd9Sstevel@tonic-gate process_devinfo_tree(); 40845916cd2Sjpk if (devalloc_flag != 0) 40945916cd2Sjpk /* Enable/disable device allocation */ 41045916cd2Sjpk _reset_devalloc(devalloc_flag); 4117c478bd9Sstevel@tonic-gate } 4127c478bd9Sstevel@tonic-gate return (0); 4137c478bd9Sstevel@tonic-gate } 4147c478bd9Sstevel@tonic-gate 4157c478bd9Sstevel@tonic-gate static void 4167c478bd9Sstevel@tonic-gate update_drvconf(major_t major) 4177c478bd9Sstevel@tonic-gate { 4187c478bd9Sstevel@tonic-gate if (modctl(MODLOADDRVCONF, major) != 0) 4197c478bd9Sstevel@tonic-gate err_print(gettext("update_drvconf failed for major %d\n"), 4207c478bd9Sstevel@tonic-gate major); 4217c478bd9Sstevel@tonic-gate } 4227c478bd9Sstevel@tonic-gate 423aa646b9dSvikram 4247c478bd9Sstevel@tonic-gate static void 4257c478bd9Sstevel@tonic-gate load_dev_acl() 4267c478bd9Sstevel@tonic-gate { 4277c478bd9Sstevel@tonic-gate if (load_devpolicy() != 0) 4287c478bd9Sstevel@tonic-gate err_print(gettext("device policy load failed\n")); 4297c478bd9Sstevel@tonic-gate load_minor_perm_file(); 4307c478bd9Sstevel@tonic-gate } 4317c478bd9Sstevel@tonic-gate 4327c478bd9Sstevel@tonic-gate /* 433facf4a8dSllai * As devfsadm is run early in boot to provide the kernel with 434facf4a8dSllai * minor_perm info, we might as well check for reconfig at the 435facf4a8dSllai * same time to avoid running devfsadm twice. This gets invoked 436facf4a8dSllai * earlier than the env variable RECONFIG_BOOT is set up. 4377c478bd9Sstevel@tonic-gate */ 438facf4a8dSllai static void 439facf4a8dSllai check_reconfig_state() 4407c478bd9Sstevel@tonic-gate { 441facf4a8dSllai struct stat sb; 4427c478bd9Sstevel@tonic-gate 443facf4a8dSllai if (s_stat("/reconfigure", &sb) == 0) { 444facf4a8dSllai (void) modctl(MODDEVNAME, MODDEVNAME_RECONFIG, 0); 4457c478bd9Sstevel@tonic-gate } 446facf4a8dSllai } 4477c478bd9Sstevel@tonic-gate 448facf4a8dSllai static void 449facf4a8dSllai modctl_sysavail() 450facf4a8dSllai { 451facf4a8dSllai /* 452facf4a8dSllai * Inform /dev that system is available, that 453facf4a8dSllai * implicit reconfig can now be performed. 454facf4a8dSllai */ 455facf4a8dSllai (void) modctl(MODDEVNAME, MODDEVNAME_SYSAVAIL, 0); 456facf4a8dSllai } 4577c478bd9Sstevel@tonic-gate 458facf4a8dSllai static void 459facf4a8dSllai set_lock_root(void) 460facf4a8dSllai { 461facf4a8dSllai struct stat sb; 462facf4a8dSllai char *lock_root; 463facf4a8dSllai size_t len; 4647c478bd9Sstevel@tonic-gate 465facf4a8dSllai lock_root = attr_root ? attr_root : root_dir; 4667c478bd9Sstevel@tonic-gate 467facf4a8dSllai len = strlen(lock_root) + strlen(ETCDEV) + 1; 468facf4a8dSllai etc_dev_dir = s_malloc(len); 469facf4a8dSllai (void) snprintf(etc_dev_dir, len, "%s%s", lock_root, ETCDEV); 4707c478bd9Sstevel@tonic-gate 471facf4a8dSllai if (s_stat(etc_dev_dir, &sb) != 0) { 472facf4a8dSllai s_mkdirp(etc_dev_dir, S_IRWXU|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); 473facf4a8dSllai } else if (!S_ISDIR(sb.st_mode)) { 474facf4a8dSllai err_print(NOT_DIR, etc_dev_dir); 475facf4a8dSllai devfsadm_exit(1); 476facf4a8dSllai } 4777c478bd9Sstevel@tonic-gate } 4787c478bd9Sstevel@tonic-gate 479facf4a8dSllai 4807c478bd9Sstevel@tonic-gate /* 4817c478bd9Sstevel@tonic-gate * Parse arguments for all 6 programs handled from devfsadm. 4827c478bd9Sstevel@tonic-gate */ 4837c478bd9Sstevel@tonic-gate static void 4847c478bd9Sstevel@tonic-gate parse_args(int argc, char *argv[]) 4857c478bd9Sstevel@tonic-gate { 4867c478bd9Sstevel@tonic-gate char opt; 4877c478bd9Sstevel@tonic-gate char get_linkcompat_opts = FALSE; 4887c478bd9Sstevel@tonic-gate char *compat_class; 4897c478bd9Sstevel@tonic-gate int num_aliases = 0; 4907c478bd9Sstevel@tonic-gate int len; 4917c478bd9Sstevel@tonic-gate int retval; 4927c478bd9Sstevel@tonic-gate int add_bind = FALSE; 4937c478bd9Sstevel@tonic-gate struct aliases *ap = NULL; 4947c478bd9Sstevel@tonic-gate struct aliases *a_head = NULL; 4957c478bd9Sstevel@tonic-gate struct aliases *a_tail = NULL; 4967c478bd9Sstevel@tonic-gate struct modconfig mc; 4977c478bd9Sstevel@tonic-gate 4987c478bd9Sstevel@tonic-gate if (strcmp(prog, DISKS) == 0) { 4997c478bd9Sstevel@tonic-gate compat_class = "disk"; 5007c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 5017c478bd9Sstevel@tonic-gate 5027c478bd9Sstevel@tonic-gate } else if (strcmp(prog, TAPES) == 0) { 5037c478bd9Sstevel@tonic-gate compat_class = "tape"; 5047c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 5057c478bd9Sstevel@tonic-gate 5067c478bd9Sstevel@tonic-gate } else if (strcmp(prog, PORTS) == 0) { 5077c478bd9Sstevel@tonic-gate compat_class = "port"; 5087c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 5097c478bd9Sstevel@tonic-gate 5107c478bd9Sstevel@tonic-gate } else if (strcmp(prog, AUDLINKS) == 0) { 5117c478bd9Sstevel@tonic-gate compat_class = "audio"; 5127c478bd9Sstevel@tonic-gate get_linkcompat_opts = TRUE; 5137c478bd9Sstevel@tonic-gate 5147c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DEVLINKS) == 0) { 5157c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 5167c478bd9Sstevel@tonic-gate 5177c478bd9Sstevel@tonic-gate build_devices = FALSE; 5187c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 5197c478bd9Sstevel@tonic-gate 5207c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "dnr:st:vV:")) != EOF) { 5217c478bd9Sstevel@tonic-gate switch (opt) { 5227c478bd9Sstevel@tonic-gate case 'd': 5237c478bd9Sstevel@tonic-gate file_mods = FALSE; 5247c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 5257c478bd9Sstevel@tonic-gate devlinks_debug = TRUE; 5267c478bd9Sstevel@tonic-gate break; 5277c478bd9Sstevel@tonic-gate case 'n': 5287c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 5297c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 5307c478bd9Sstevel@tonic-gate break; 5317c478bd9Sstevel@tonic-gate case 'r': 532facf4a8dSllai set_root_devices_dev_dir(optarg); 5337c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 5347c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 5357c478bd9Sstevel@tonic-gate devfsadm_exit(1); 5367c478bd9Sstevel@tonic-gate break; 5377c478bd9Sstevel@tonic-gate case 's': 5387c478bd9Sstevel@tonic-gate /* 5397c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 5407c478bd9Sstevel@tonic-gate * useful with -v or -V 5417c478bd9Sstevel@tonic-gate */ 5427c478bd9Sstevel@tonic-gate file_mods = FALSE; 5437c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 5447c478bd9Sstevel@tonic-gate break; 5457c478bd9Sstevel@tonic-gate case 't': 5467c478bd9Sstevel@tonic-gate /* supply a non-default table file */ 5477c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 5487c478bd9Sstevel@tonic-gate break; 5497c478bd9Sstevel@tonic-gate case 'v': 5507c478bd9Sstevel@tonic-gate /* documented verbose flag */ 5517c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 5527c478bd9Sstevel@tonic-gate break; 5537c478bd9Sstevel@tonic-gate case 'V': 5547c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 5557c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 5567c478bd9Sstevel@tonic-gate break; 5577c478bd9Sstevel@tonic-gate default: 5587c478bd9Sstevel@tonic-gate usage(); 5597c478bd9Sstevel@tonic-gate break; 5607c478bd9Sstevel@tonic-gate } 5617c478bd9Sstevel@tonic-gate } 5627c478bd9Sstevel@tonic-gate 5637c478bd9Sstevel@tonic-gate if (optind < argc) { 5647c478bd9Sstevel@tonic-gate usage(); 5657c478bd9Sstevel@tonic-gate } 5667c478bd9Sstevel@tonic-gate 5677c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 5687c478bd9Sstevel@tonic-gate build_dev = FALSE; 5697c478bd9Sstevel@tonic-gate 5707c478bd9Sstevel@tonic-gate while ((opt = 5717c478bd9Sstevel@tonic-gate getopt(argc, argv, "a:bdc:i:m:np:R:r:svV:")) != EOF) { 5727c478bd9Sstevel@tonic-gate switch (opt) { 5737c478bd9Sstevel@tonic-gate case 'a': 5747c478bd9Sstevel@tonic-gate ap = calloc(sizeof (struct aliases), 1); 5757c478bd9Sstevel@tonic-gate ap->a_name = dequote(optarg); 5767c478bd9Sstevel@tonic-gate len = strlen(ap->a_name) + 1; 5777c478bd9Sstevel@tonic-gate if (len > MAXMODCONFNAME) { 5787c478bd9Sstevel@tonic-gate err_print(ALIAS_TOO_LONG, 5797c478bd9Sstevel@tonic-gate MAXMODCONFNAME, ap->a_name); 5807c478bd9Sstevel@tonic-gate devfsadm_exit(1); 5817c478bd9Sstevel@tonic-gate } 5827c478bd9Sstevel@tonic-gate ap->a_len = len; 5837c478bd9Sstevel@tonic-gate if (a_tail == NULL) { 5847c478bd9Sstevel@tonic-gate a_head = ap; 5857c478bd9Sstevel@tonic-gate } else { 5867c478bd9Sstevel@tonic-gate a_tail->a_next = ap; 5877c478bd9Sstevel@tonic-gate } 5887c478bd9Sstevel@tonic-gate a_tail = ap; 5897c478bd9Sstevel@tonic-gate num_aliases++; 5907c478bd9Sstevel@tonic-gate add_bind = TRUE; 5917c478bd9Sstevel@tonic-gate break; 5927c478bd9Sstevel@tonic-gate case 'b': 5937c478bd9Sstevel@tonic-gate add_bind = TRUE; 5947c478bd9Sstevel@tonic-gate break; 5957c478bd9Sstevel@tonic-gate case 'c': 5967c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvclass, optarg); 5977c478bd9Sstevel@tonic-gate break; 5987c478bd9Sstevel@tonic-gate case 'd': 5997c478bd9Sstevel@tonic-gate /* 6007c478bd9Sstevel@tonic-gate * need to keep for compatibility, but 6017c478bd9Sstevel@tonic-gate * do nothing. 6027c478bd9Sstevel@tonic-gate */ 6037c478bd9Sstevel@tonic-gate break; 6047c478bd9Sstevel@tonic-gate case 'i': 6057c478bd9Sstevel@tonic-gate single_drv = TRUE; 6067c478bd9Sstevel@tonic-gate (void) strcpy(mc.drvname, optarg); 6077c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 6087c478bd9Sstevel@tonic-gate break; 6097c478bd9Sstevel@tonic-gate case 'm': 6107c478bd9Sstevel@tonic-gate mc.major = atoi(optarg); 6117c478bd9Sstevel@tonic-gate break; 6127c478bd9Sstevel@tonic-gate case 'n': 6137c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 6147c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 6157c478bd9Sstevel@tonic-gate break; 6167c478bd9Sstevel@tonic-gate case 'p': 6177c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 6187c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 6197c478bd9Sstevel@tonic-gate break; 6207c478bd9Sstevel@tonic-gate case 'R': 6217c478bd9Sstevel@tonic-gate /* 6227c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 6237c478bd9Sstevel@tonic-gate * device information on the installed root. 6247c478bd9Sstevel@tonic-gate */ 6257c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 6267c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 6277c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 6287c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 6297c478bd9Sstevel@tonic-gate break; 6307c478bd9Sstevel@tonic-gate case 'r': 6317c478bd9Sstevel@tonic-gate devices_dir = s_strdup(optarg); 6327c478bd9Sstevel@tonic-gate if (zone_pathcheck(devices_dir) != 6337c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 6347c478bd9Sstevel@tonic-gate devfsadm_exit(1); 6357c478bd9Sstevel@tonic-gate break; 6367c478bd9Sstevel@tonic-gate case 's': 6377c478bd9Sstevel@tonic-gate /* 6387c478bd9Sstevel@tonic-gate * suppress. don't create nodes 6397c478bd9Sstevel@tonic-gate * useful with -v or -V 6407c478bd9Sstevel@tonic-gate */ 6417c478bd9Sstevel@tonic-gate file_mods = FALSE; 6427c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 6437c478bd9Sstevel@tonic-gate break; 6447c478bd9Sstevel@tonic-gate case 'v': 6457c478bd9Sstevel@tonic-gate /* documented verbose flag */ 6467c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 6477c478bd9Sstevel@tonic-gate break; 6487c478bd9Sstevel@tonic-gate case 'V': 6497c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 6507c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 6517c478bd9Sstevel@tonic-gate break; 6527c478bd9Sstevel@tonic-gate default: 6537c478bd9Sstevel@tonic-gate usage(); 6547c478bd9Sstevel@tonic-gate } 6557c478bd9Sstevel@tonic-gate } 6567c478bd9Sstevel@tonic-gate 6577c478bd9Sstevel@tonic-gate if (optind < argc) { 6587c478bd9Sstevel@tonic-gate usage(); 6597c478bd9Sstevel@tonic-gate } 6607c478bd9Sstevel@tonic-gate 6617c478bd9Sstevel@tonic-gate if ((add_bind == TRUE) && (mc.major == -1 || 6627c478bd9Sstevel@tonic-gate mc.drvname[0] == NULL)) { 6637c478bd9Sstevel@tonic-gate err_print(MAJOR_AND_B_FLAG); 6647c478bd9Sstevel@tonic-gate devfsadm_exit(1); 6657c478bd9Sstevel@tonic-gate } 6667c478bd9Sstevel@tonic-gate if (add_bind == TRUE) { 6677c478bd9Sstevel@tonic-gate mc.num_aliases = num_aliases; 6687c478bd9Sstevel@tonic-gate mc.ap = a_head; 6697c478bd9Sstevel@tonic-gate retval = modctl(MODADDMAJBIND, NULL, (caddr_t)&mc); 6707c478bd9Sstevel@tonic-gate if (retval < 0) { 6717c478bd9Sstevel@tonic-gate err_print(MODCTL_ADDMAJBIND); 6727c478bd9Sstevel@tonic-gate } 6737c478bd9Sstevel@tonic-gate devfsadm_exit(retval); 6747c478bd9Sstevel@tonic-gate } 6757c478bd9Sstevel@tonic-gate 6767c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 6777c478bd9Sstevel@tonic-gate (strcmp(prog, DEVFSADMD) == 0)) { 6787c478bd9Sstevel@tonic-gate char *zonename = NULL; 6797c478bd9Sstevel@tonic-gate int init_drvconf = 0; 6807c478bd9Sstevel@tonic-gate int init_perm = 0; 6817c478bd9Sstevel@tonic-gate int public_mode = 0; 682facf4a8dSllai int init_sysavail = 0; 6837c478bd9Sstevel@tonic-gate 6847c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADMD) == 0) { 6857c478bd9Sstevel@tonic-gate daemon_mode = TRUE; 6867c478bd9Sstevel@tonic-gate } 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate devlinktab_file = DEVLINKTAB_FILE; 6897c478bd9Sstevel@tonic-gate 6907c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, 691facf4a8dSllai "a:Cc:deIi:l:mnp:PR:r:sSt:vV:x:")) != EOF) { 692facf4a8dSllai if (opt == 'I' || opt == 'P' || opt == 'S') { 6937c478bd9Sstevel@tonic-gate if (public_mode) 6947c478bd9Sstevel@tonic-gate usage(); 6957c478bd9Sstevel@tonic-gate } else { 696facf4a8dSllai if (init_perm || init_drvconf || init_sysavail) 6977c478bd9Sstevel@tonic-gate usage(); 6987c478bd9Sstevel@tonic-gate public_mode = 1; 6997c478bd9Sstevel@tonic-gate } 7007c478bd9Sstevel@tonic-gate switch (opt) { 701facf4a8dSllai case 'a': 702facf4a8dSllai attr_root = s_strdup(optarg); 703facf4a8dSllai break; 7047c478bd9Sstevel@tonic-gate case 'C': 7057c478bd9Sstevel@tonic-gate cleanup = TRUE; 7067c478bd9Sstevel@tonic-gate break; 7077c478bd9Sstevel@tonic-gate case 'c': 7087c478bd9Sstevel@tonic-gate num_classes++; 7097c478bd9Sstevel@tonic-gate classes = s_realloc(classes, num_classes * 7107c478bd9Sstevel@tonic-gate sizeof (char *)); 7117c478bd9Sstevel@tonic-gate classes[num_classes - 1] = optarg; 7127c478bd9Sstevel@tonic-gate break; 71345916cd2Sjpk case 'd': 7147c478bd9Sstevel@tonic-gate if (daemon_mode == FALSE) { 71545916cd2Sjpk /* 71645916cd2Sjpk * Device allocation to be disabled. 71745916cd2Sjpk */ 71845916cd2Sjpk devalloc_flag = DA_OFF; 71945916cd2Sjpk build_dev = FALSE; 72045916cd2Sjpk } 72145916cd2Sjpk break; 72245916cd2Sjpk case 'e': 72345916cd2Sjpk if (daemon_mode == FALSE) { 72445916cd2Sjpk /* 72545916cd2Sjpk * Device allocation to be enabled. 72645916cd2Sjpk */ 72745916cd2Sjpk devalloc_flag = DA_ON; 7287c478bd9Sstevel@tonic-gate build_dev = FALSE; 7297c478bd9Sstevel@tonic-gate } 7307c478bd9Sstevel@tonic-gate break; 7317c478bd9Sstevel@tonic-gate case 'I': /* update kernel driver.conf cache */ 7327c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 7337c478bd9Sstevel@tonic-gate usage(); 7347c478bd9Sstevel@tonic-gate init_drvconf = 1; 7357c478bd9Sstevel@tonic-gate break; 7367c478bd9Sstevel@tonic-gate case 'i': 7377c478bd9Sstevel@tonic-gate single_drv = TRUE; 7387c478bd9Sstevel@tonic-gate driver = s_strdup(optarg); 7397c478bd9Sstevel@tonic-gate break; 7407c478bd9Sstevel@tonic-gate case 'l': 7417c478bd9Sstevel@tonic-gate /* specify an alternate module load path */ 7427c478bd9Sstevel@tonic-gate module_dirs = s_strdup(optarg); 7437c478bd9Sstevel@tonic-gate break; 744facf4a8dSllai case 'm': 745facf4a8dSllai load_devname_nsmaps = TRUE; 746facf4a8dSllai break; 7477c478bd9Sstevel@tonic-gate case 'n': 7487c478bd9Sstevel@tonic-gate /* prevent driver loading and deferred attach */ 7497c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 7507c478bd9Sstevel@tonic-gate break; 7517c478bd9Sstevel@tonic-gate case 'p': 7527c478bd9Sstevel@tonic-gate /* specify alternate path_to_inst file */ 7537c478bd9Sstevel@tonic-gate inst_file = s_strdup(optarg); 7547c478bd9Sstevel@tonic-gate break; 7557c478bd9Sstevel@tonic-gate case 'P': 7567c478bd9Sstevel@tonic-gate if (daemon_mode == TRUE) 7577c478bd9Sstevel@tonic-gate usage(); 7587c478bd9Sstevel@tonic-gate /* load minor_perm and device_policy */ 7597c478bd9Sstevel@tonic-gate init_perm = 1; 7607c478bd9Sstevel@tonic-gate break; 7617c478bd9Sstevel@tonic-gate case 'R': 7627c478bd9Sstevel@tonic-gate /* 7637c478bd9Sstevel@tonic-gate * Private flag for suninstall to populate 7647c478bd9Sstevel@tonic-gate * device information on the installed root. 7657c478bd9Sstevel@tonic-gate */ 7667c478bd9Sstevel@tonic-gate root_dir = s_strdup(optarg); 7677c478bd9Sstevel@tonic-gate devfsadm_exit(devfsadm_copy()); 7687c478bd9Sstevel@tonic-gate break; 7697c478bd9Sstevel@tonic-gate case 'r': 770facf4a8dSllai set_root_devices_dev_dir(optarg); 7717c478bd9Sstevel@tonic-gate break; 7727c478bd9Sstevel@tonic-gate case 's': 7737c478bd9Sstevel@tonic-gate /* 7747c478bd9Sstevel@tonic-gate * suppress. don't create/remove links/nodes 7757c478bd9Sstevel@tonic-gate * useful with -v or -V 7767c478bd9Sstevel@tonic-gate */ 7777c478bd9Sstevel@tonic-gate file_mods = FALSE; 7787c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 7797c478bd9Sstevel@tonic-gate break; 780facf4a8dSllai case 'S': 781facf4a8dSllai if (daemon_mode == TRUE) 782facf4a8dSllai usage(); 783facf4a8dSllai init_sysavail = 1; 784facf4a8dSllai break; 7857c478bd9Sstevel@tonic-gate case 't': 7867c478bd9Sstevel@tonic-gate devlinktab_file = optarg; 7877c478bd9Sstevel@tonic-gate break; 7887c478bd9Sstevel@tonic-gate case 'v': 7897c478bd9Sstevel@tonic-gate /* documented verbose flag */ 7907c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 7917c478bd9Sstevel@tonic-gate break; 7927c478bd9Sstevel@tonic-gate case 'V': 7937c478bd9Sstevel@tonic-gate /* undocumented: specify verbose lvl */ 7947c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 7957c478bd9Sstevel@tonic-gate break; 7967c478bd9Sstevel@tonic-gate case 'x': 7977c478bd9Sstevel@tonic-gate /* 7987c478bd9Sstevel@tonic-gate * x is the "private switch" option. The 7997c478bd9Sstevel@tonic-gate * goal is to not suck up all the other 8007c478bd9Sstevel@tonic-gate * option letters. 8017c478bd9Sstevel@tonic-gate */ 8027c478bd9Sstevel@tonic-gate if (strcmp(optarg, "update_devlinksdb") == 0) { 8037c478bd9Sstevel@tonic-gate update_database = TRUE; 8047c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_dev") == 0) { 8057c478bd9Sstevel@tonic-gate /* don't build /dev */ 8067c478bd9Sstevel@tonic-gate build_dev = FALSE; 8077c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_devices") == 0) { 8087c478bd9Sstevel@tonic-gate /* don't build /devices */ 8097c478bd9Sstevel@tonic-gate build_devices = FALSE; 8107c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "no_p2i") == 0) { 8117c478bd9Sstevel@tonic-gate /* don't flush path_to_inst */ 8127c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 8137c478bd9Sstevel@tonic-gate } else if (strcmp(optarg, "use_dicache") == 0) { 8147c478bd9Sstevel@tonic-gate use_snapshot_cache = TRUE; 8157c478bd9Sstevel@tonic-gate } else { 8167c478bd9Sstevel@tonic-gate usage(); 8177c478bd9Sstevel@tonic-gate } 8187c478bd9Sstevel@tonic-gate break; 8197c478bd9Sstevel@tonic-gate default: 8207c478bd9Sstevel@tonic-gate usage(); 8217c478bd9Sstevel@tonic-gate break; 8227c478bd9Sstevel@tonic-gate } 8237c478bd9Sstevel@tonic-gate } 8247c478bd9Sstevel@tonic-gate if (optind < argc) { 8257c478bd9Sstevel@tonic-gate usage(); 8267c478bd9Sstevel@tonic-gate } 8277c478bd9Sstevel@tonic-gate 8287c478bd9Sstevel@tonic-gate /* 8297c478bd9Sstevel@tonic-gate * We're not in zone mode; Check to see if the rootpath 8307c478bd9Sstevel@tonic-gate * collides with any zonepaths. 8317c478bd9Sstevel@tonic-gate */ 8327c478bd9Sstevel@tonic-gate if (zonename == NULL) { 8337c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != DEVFSADM_SUCCESS) 8347c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8357c478bd9Sstevel@tonic-gate } 8367c478bd9Sstevel@tonic-gate 837facf4a8dSllai if (init_drvconf || init_perm || init_sysavail) { 8387c478bd9Sstevel@tonic-gate /* 8397c478bd9Sstevel@tonic-gate * Load minor perm before force-loading drivers 8407c478bd9Sstevel@tonic-gate * so the correct permissions are picked up. 8417c478bd9Sstevel@tonic-gate */ 842facf4a8dSllai if (init_perm) { 843facf4a8dSllai check_reconfig_state(); 8447c478bd9Sstevel@tonic-gate load_dev_acl(); 845facf4a8dSllai } 8467c478bd9Sstevel@tonic-gate if (init_drvconf) 8477c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 848facf4a8dSllai if (init_sysavail) 849facf4a8dSllai modctl_sysavail(); 8507c478bd9Sstevel@tonic-gate devfsadm_exit(0); 8517c478bd9Sstevel@tonic-gate /* NOTREACHED */ 8527c478bd9Sstevel@tonic-gate } 853facf4a8dSllai 854facf4a8dSllai if (load_devname_nsmaps == TRUE) { 855facf4a8dSllai devname_setup_nsmaps(); 856facf4a8dSllai devfsadm_exit(0); 857facf4a8dSllai } 8587c478bd9Sstevel@tonic-gate } 8597c478bd9Sstevel@tonic-gate 8607c478bd9Sstevel@tonic-gate 8617c478bd9Sstevel@tonic-gate if (get_linkcompat_opts == TRUE) { 8627c478bd9Sstevel@tonic-gate 8637c478bd9Sstevel@tonic-gate build_devices = FALSE; 8647c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 8657c478bd9Sstevel@tonic-gate num_classes++; 8667c478bd9Sstevel@tonic-gate classes = s_realloc(classes, num_classes * 8677c478bd9Sstevel@tonic-gate sizeof (char *)); 8687c478bd9Sstevel@tonic-gate classes[num_classes - 1] = compat_class; 8697c478bd9Sstevel@tonic-gate 8707c478bd9Sstevel@tonic-gate while ((opt = getopt(argc, argv, "Cnr:svV:")) != EOF) { 8717c478bd9Sstevel@tonic-gate switch (opt) { 8727c478bd9Sstevel@tonic-gate case 'C': 8737c478bd9Sstevel@tonic-gate cleanup = TRUE; 8747c478bd9Sstevel@tonic-gate break; 8757c478bd9Sstevel@tonic-gate case 'n': 8767c478bd9Sstevel@tonic-gate /* prevent driver loading or deferred attach */ 8777c478bd9Sstevel@tonic-gate load_attach_drv = FALSE; 8787c478bd9Sstevel@tonic-gate break; 8797c478bd9Sstevel@tonic-gate case 'r': 880facf4a8dSllai set_root_devices_dev_dir(optarg); 8817c478bd9Sstevel@tonic-gate if (zone_pathcheck(root_dir) != 8827c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) 8837c478bd9Sstevel@tonic-gate devfsadm_exit(1); 8847c478bd9Sstevel@tonic-gate break; 8857c478bd9Sstevel@tonic-gate case 's': 8867c478bd9Sstevel@tonic-gate /* suppress. don't create/remove links/nodes */ 8877c478bd9Sstevel@tonic-gate /* useful with -v or -V */ 8887c478bd9Sstevel@tonic-gate file_mods = FALSE; 8897c478bd9Sstevel@tonic-gate flush_path_to_inst_enable = FALSE; 8907c478bd9Sstevel@tonic-gate break; 8917c478bd9Sstevel@tonic-gate case 'v': 8927c478bd9Sstevel@tonic-gate /* documented verbose flag */ 8937c478bd9Sstevel@tonic-gate add_verbose_id(VERBOSE_MID); 8947c478bd9Sstevel@tonic-gate break; 8957c478bd9Sstevel@tonic-gate case 'V': 8967c478bd9Sstevel@tonic-gate /* undocumented for extra verbose levels */ 8977c478bd9Sstevel@tonic-gate add_verbose_id(optarg); 8987c478bd9Sstevel@tonic-gate break; 8997c478bd9Sstevel@tonic-gate default: 9007c478bd9Sstevel@tonic-gate usage(); 9017c478bd9Sstevel@tonic-gate } 9027c478bd9Sstevel@tonic-gate } 9037c478bd9Sstevel@tonic-gate if (optind < argc) { 9047c478bd9Sstevel@tonic-gate usage(); 9057c478bd9Sstevel@tonic-gate } 9067c478bd9Sstevel@tonic-gate } 907facf4a8dSllai set_lock_root(); 9087c478bd9Sstevel@tonic-gate } 9097c478bd9Sstevel@tonic-gate 9107c478bd9Sstevel@tonic-gate void 9117c478bd9Sstevel@tonic-gate usage(void) 9127c478bd9Sstevel@tonic-gate { 9137c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 9147c478bd9Sstevel@tonic-gate err_print(DEVLINKS_USAGE); 9157c478bd9Sstevel@tonic-gate } else if (strcmp(prog, DRVCONFIG) == 0) { 9167c478bd9Sstevel@tonic-gate err_print(DRVCONFIG_USAGE); 9177c478bd9Sstevel@tonic-gate } else if ((strcmp(prog, DEVFSADM) == 0) || 9187c478bd9Sstevel@tonic-gate (strcmp(prog, DEVFSADMD) == 0)) { 9197c478bd9Sstevel@tonic-gate err_print(DEVFSADM_USAGE); 9207c478bd9Sstevel@tonic-gate } else { 9217c478bd9Sstevel@tonic-gate err_print(COMPAT_LINK_USAGE); 9227c478bd9Sstevel@tonic-gate } 9237c478bd9Sstevel@tonic-gate 9247c478bd9Sstevel@tonic-gate devfsadm_exit(1); 9257c478bd9Sstevel@tonic-gate } 9267c478bd9Sstevel@tonic-gate 9277c478bd9Sstevel@tonic-gate static void 9287c478bd9Sstevel@tonic-gate devi_tree_walk(struct dca_impl *dcip, int flags, char *ev_subclass) 9297c478bd9Sstevel@tonic-gate { 9307c478bd9Sstevel@tonic-gate char *msg, *name; 9317c478bd9Sstevel@tonic-gate struct mlist mlist = {0}; 9327c478bd9Sstevel@tonic-gate di_node_t node; 9337c478bd9Sstevel@tonic-gate 9347c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "devi_tree_walk: root=%s, minor=%s, driver=%s," 9357c478bd9Sstevel@tonic-gate " error=%d, flags=%u\n", dcip->dci_root, 9367c478bd9Sstevel@tonic-gate dcip->dci_minor ? dcip->dci_minor : "<NULL>", 9377c478bd9Sstevel@tonic-gate dcip->dci_driver ? dcip->dci_driver : "<NULL>", dcip->dci_error, 9387c478bd9Sstevel@tonic-gate dcip->dci_flags); 9397c478bd9Sstevel@tonic-gate 9407c478bd9Sstevel@tonic-gate assert(dcip->dci_root); 9417c478bd9Sstevel@tonic-gate 9427c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_LOAD_DRV) { 9437c478bd9Sstevel@tonic-gate node = di_init_driver(dcip->dci_driver, flags); 9447c478bd9Sstevel@tonic-gate msg = DRIVER_FAILURE; 9457c478bd9Sstevel@tonic-gate name = dcip->dci_driver; 9467c478bd9Sstevel@tonic-gate } else { 9477c478bd9Sstevel@tonic-gate node = di_init(dcip->dci_root, flags); 9487c478bd9Sstevel@tonic-gate msg = DI_INIT_FAILED; 9497c478bd9Sstevel@tonic-gate name = dcip->dci_root; 9507c478bd9Sstevel@tonic-gate } 9517c478bd9Sstevel@tonic-gate 9527c478bd9Sstevel@tonic-gate if (node == DI_NODE_NIL) { 9537c478bd9Sstevel@tonic-gate dcip->dci_error = errno; 9547c478bd9Sstevel@tonic-gate /* 9557c478bd9Sstevel@tonic-gate * Rapid hotplugging (commonly seen during USB testing), 9567c478bd9Sstevel@tonic-gate * may remove a device before the create event for it 9577c478bd9Sstevel@tonic-gate * has been processed. To prevent alarming users with 9587c478bd9Sstevel@tonic-gate * a superfluous message, we suppress error messages 9597c478bd9Sstevel@tonic-gate * for ENXIO and hotplug. 9607c478bd9Sstevel@tonic-gate */ 9617c478bd9Sstevel@tonic-gate if (!(errno == ENXIO && (dcip->dci_flags & DCA_HOT_PLUG))) 9627c478bd9Sstevel@tonic-gate err_print(msg, name, strerror(dcip->dci_error)); 9637c478bd9Sstevel@tonic-gate return; 9647c478bd9Sstevel@tonic-gate } 9657c478bd9Sstevel@tonic-gate 9667c478bd9Sstevel@tonic-gate if (dcip->dci_flags & DCA_FLUSH_PATHINST) 9677c478bd9Sstevel@tonic-gate flush_path_to_inst(); 9687c478bd9Sstevel@tonic-gate 9697c478bd9Sstevel@tonic-gate dcip->dci_arg = &mlist; 9707c478bd9Sstevel@tonic-gate 9717c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "walking device tree\n"); 9727c478bd9Sstevel@tonic-gate 9737c478bd9Sstevel@tonic-gate (void) di_walk_minor(node, NULL, DI_CHECK_ALIAS, dcip, 9747c478bd9Sstevel@tonic-gate check_minor_type); 9757c478bd9Sstevel@tonic-gate 9767c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_CREATE_LINK); 9777c478bd9Sstevel@tonic-gate 9787c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 9797c478bd9Sstevel@tonic-gate 9807c478bd9Sstevel@tonic-gate /* 9817c478bd9Sstevel@tonic-gate * Finished creating devfs files and dev links. 9827c478bd9Sstevel@tonic-gate * Log sysevent and notify RCM. 9837c478bd9Sstevel@tonic-gate */ 9847c478bd9Sstevel@tonic-gate if (ev_subclass) 985f05faa4eSjacobs build_and_enq_event(EC_DEV_ADD, ev_subclass, dcip->dci_root, 98630294554Sphitran node, dcip->dci_minor); 9877c478bd9Sstevel@tonic-gate 9887c478bd9Sstevel@tonic-gate if ((dcip->dci_flags & DCA_NOTIFY_RCM) && rcm_hdl) 9897c478bd9Sstevel@tonic-gate (void) notify_rcm(node, dcip->dci_minor); 9907c478bd9Sstevel@tonic-gate 99145916cd2Sjpk /* Add new device to device allocation database */ 99245916cd2Sjpk if (system_labeled && update_devdb) { 99345916cd2Sjpk _update_devalloc_db(&devlist, 0, DA_ADD, NULL, root_dir); 99445916cd2Sjpk update_devdb = 0; 99545916cd2Sjpk } 99645916cd2Sjpk 9977c478bd9Sstevel@tonic-gate di_fini(node); 9987c478bd9Sstevel@tonic-gate } 9997c478bd9Sstevel@tonic-gate 10007c478bd9Sstevel@tonic-gate static void 10017c478bd9Sstevel@tonic-gate process_deferred_links(struct dca_impl *dcip, int flags) 10027c478bd9Sstevel@tonic-gate { 10037c478bd9Sstevel@tonic-gate struct mlist *dep; 10047c478bd9Sstevel@tonic-gate struct minor *mp, *smp; 10057c478bd9Sstevel@tonic-gate 10067c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "processing deferred links\n"); 10077c478bd9Sstevel@tonic-gate 10087c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 10097c478bd9Sstevel@tonic-gate 10107c478bd9Sstevel@tonic-gate /* 10117c478bd9Sstevel@tonic-gate * The list head is not used during the deferred create phase 10127c478bd9Sstevel@tonic-gate */ 10137c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 10147c478bd9Sstevel@tonic-gate 10157c478bd9Sstevel@tonic-gate assert(dep); 10167c478bd9Sstevel@tonic-gate assert((dep->head == NULL) ^ (dep->tail != NULL)); 10177c478bd9Sstevel@tonic-gate assert(flags == DCA_FREE_LIST || flags == DCA_CREATE_LINK); 10187c478bd9Sstevel@tonic-gate 10197c478bd9Sstevel@tonic-gate for (smp = NULL, mp = dep->head; mp; mp = mp->next) { 10207c478bd9Sstevel@tonic-gate if (flags == DCA_CREATE_LINK) 10217c478bd9Sstevel@tonic-gate (void) check_minor_type(mp->node, mp->minor, dcip); 10227c478bd9Sstevel@tonic-gate free(smp); 10237c478bd9Sstevel@tonic-gate smp = mp; 10247c478bd9Sstevel@tonic-gate } 10257c478bd9Sstevel@tonic-gate 10267c478bd9Sstevel@tonic-gate free(smp); 10277c478bd9Sstevel@tonic-gate } 10287c478bd9Sstevel@tonic-gate 10297c478bd9Sstevel@tonic-gate /* 10307c478bd9Sstevel@tonic-gate * Called in non-daemon mode to take a snap shot of the devinfo tree. 10317c478bd9Sstevel@tonic-gate * Then it calls the appropriate functions to build /devices and /dev. 10327c478bd9Sstevel@tonic-gate * It also flushes path_to_inst. 10338c4f8890Srs * DINFOCACHE snapshot needs to be updated when devfsadm is run. 10348c4f8890Srs * This will only happen if the flags that devfsadm uses matches the flags 10358c4f8890Srs * that DINFOCACHE uses and that is why flags is set to 10368c4f8890Srs * DI_CACHE_SNAPSHOT_FLAGS. 10377c478bd9Sstevel@tonic-gate */ 10387c478bd9Sstevel@tonic-gate void 10397c478bd9Sstevel@tonic-gate process_devinfo_tree() 10407c478bd9Sstevel@tonic-gate { 10418c4f8890Srs uint_t flags = DI_CACHE_SNAPSHOT_FLAGS; 10427c478bd9Sstevel@tonic-gate struct dca_impl dci; 10437c478bd9Sstevel@tonic-gate char name[MAXNAMELEN]; 10447c478bd9Sstevel@tonic-gate char *fcn = "process_devinfo_tree: "; 10457c478bd9Sstevel@tonic-gate 10467c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 10477c478bd9Sstevel@tonic-gate 10487c478bd9Sstevel@tonic-gate dca_impl_init("/", NULL, &dci); 10497c478bd9Sstevel@tonic-gate 10507c478bd9Sstevel@tonic-gate lock_dev(); 10517c478bd9Sstevel@tonic-gate 10527c478bd9Sstevel@tonic-gate /* 10537c478bd9Sstevel@tonic-gate * Update kernel driver.conf cache when devfsadm/drvconfig 10547c478bd9Sstevel@tonic-gate * is invoked to build /devices and /dev. 10557c478bd9Sstevel@tonic-gate */ 10567c478bd9Sstevel@tonic-gate if (load_attach_drv == TRUE) 10577c478bd9Sstevel@tonic-gate update_drvconf((major_t)-1); 10587c478bd9Sstevel@tonic-gate 10597c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 10607c478bd9Sstevel@tonic-gate /* 10617c478bd9Sstevel@tonic-gate * load a single driver, but walk the entire devinfo tree 10627c478bd9Sstevel@tonic-gate */ 10637c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE) 10647c478bd9Sstevel@tonic-gate err_print(DRV_LOAD_REQD); 10657c478bd9Sstevel@tonic-gate 10667c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching driver (%s)\n", fcn, driver); 10677c478bd9Sstevel@tonic-gate 10687c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_LOAD_DRV; 10697c478bd9Sstevel@tonic-gate (void) snprintf(name, sizeof (name), "%s", driver); 10707c478bd9Sstevel@tonic-gate dci.dci_driver = name; 10717c478bd9Sstevel@tonic-gate 10727c478bd9Sstevel@tonic-gate } else if (load_attach_drv == TRUE) { 10737c478bd9Sstevel@tonic-gate /* 107445916cd2Sjpk * Load and attach all drivers, then walk the entire tree. 10757c478bd9Sstevel@tonic-gate * If the cache flag is set, use DINFOCACHE to get cached 10767c478bd9Sstevel@tonic-gate * data. 10777c478bd9Sstevel@tonic-gate */ 10787c478bd9Sstevel@tonic-gate if (use_snapshot_cache == TRUE) { 10797c478bd9Sstevel@tonic-gate flags = DINFOCACHE; 10807c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%susing snapshot cache\n", fcn); 10817c478bd9Sstevel@tonic-gate } else { 10827c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sattaching all drivers\n", fcn); 10837c478bd9Sstevel@tonic-gate flags |= DINFOFORCE; 10843c34adc5Sramat if (cleanup) { 10853c34adc5Sramat /* 10863c34adc5Sramat * remove dangling entries from /etc/devices 10873c34adc5Sramat * files. 10883c34adc5Sramat */ 10893c34adc5Sramat flags |= DINFOCLEANUP; 10903c34adc5Sramat } 10917c478bd9Sstevel@tonic-gate } 10927c478bd9Sstevel@tonic-gate } 10937c478bd9Sstevel@tonic-gate 10947c478bd9Sstevel@tonic-gate if (((load_attach_drv == TRUE) || (single_drv == TRUE)) && 10957c478bd9Sstevel@tonic-gate (build_devices == TRUE)) { 10967c478bd9Sstevel@tonic-gate dci.dci_flags |= DCA_FLUSH_PATHINST; 10977c478bd9Sstevel@tonic-gate } 10987c478bd9Sstevel@tonic-gate 10997c478bd9Sstevel@tonic-gate /* handle pre-cleanup operations desired by the modules. */ 11007c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_PRE); 11017c478bd9Sstevel@tonic-gate 11027c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, flags, NULL); 11037c478bd9Sstevel@tonic-gate 11047c478bd9Sstevel@tonic-gate if (dci.dci_error) { 11057c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11067c478bd9Sstevel@tonic-gate } 11077c478bd9Sstevel@tonic-gate 11087c478bd9Sstevel@tonic-gate /* handle post-cleanup operations desired by the modules. */ 11097c478bd9Sstevel@tonic-gate pre_and_post_cleanup(RM_POST); 11107c478bd9Sstevel@tonic-gate 11117c478bd9Sstevel@tonic-gate unlock_dev(SYNC_STATE); 11127c478bd9Sstevel@tonic-gate } 11137c478bd9Sstevel@tonic-gate 11147c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 11157c478bd9Sstevel@tonic-gate static void 11167c478bd9Sstevel@tonic-gate print_cache_signal(int signo) 11177c478bd9Sstevel@tonic-gate { 11187c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 11197c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 11207c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11217c478bd9Sstevel@tonic-gate } 11227c478bd9Sstevel@tonic-gate } 11237c478bd9Sstevel@tonic-gate 1124facf4a8dSllai static void 1125facf4a8dSllai revoke_lookup_door(void) 1126facf4a8dSllai { 1127facf4a8dSllai if (lookup_door_fd != -1) { 1128facf4a8dSllai if (door_revoke(lookup_door_fd) == -1) { 1129facf4a8dSllai err_print("door_revoke of %s failed - %s\n", 1130facf4a8dSllai lookup_door_path, strerror(errno)); 1131facf4a8dSllai } 1132facf4a8dSllai } 1133facf4a8dSllai } 1134facf4a8dSllai 1135facf4a8dSllai /*ARGSUSED*/ 1136facf4a8dSllai static void 1137facf4a8dSllai catch_exit(int signo) 1138facf4a8dSllai { 1139facf4a8dSllai revoke_lookup_door(); 1140facf4a8dSllai } 1141facf4a8dSllai 11427c478bd9Sstevel@tonic-gate /* 11437c478bd9Sstevel@tonic-gate * Register with eventd for messages. Create doors for synchronous 11447c478bd9Sstevel@tonic-gate * link creation. 11457c478bd9Sstevel@tonic-gate */ 11467c478bd9Sstevel@tonic-gate static void 11477c478bd9Sstevel@tonic-gate daemon_update(void) 11487c478bd9Sstevel@tonic-gate { 11497c478bd9Sstevel@tonic-gate int fd; 11507c478bd9Sstevel@tonic-gate char *fcn = "daemon_update: "; 11517c478bd9Sstevel@tonic-gate char door_file[MAXPATHLEN]; 11527c478bd9Sstevel@tonic-gate const char *subclass_list; 11537c478bd9Sstevel@tonic-gate sysevent_handle_t *sysevent_hp; 11547c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%senter\n", fcn); 11557c478bd9Sstevel@tonic-gate 11567c478bd9Sstevel@tonic-gate if (signal(SIGUSR1, print_cache_signal) == SIG_ERR) { 11577c478bd9Sstevel@tonic-gate err_print("signal SIGUSR1 failed: %s\n", strerror(errno)); 11587c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11597c478bd9Sstevel@tonic-gate } 1160facf4a8dSllai if (signal(SIGTERM, catch_exit) == SIG_ERR) { 1161facf4a8dSllai err_print("signal SIGTERM failed: %s\n", strerror(errno)); 1162facf4a8dSllai devfsadm_exit(1); 1163facf4a8dSllai } 11647c478bd9Sstevel@tonic-gate 11657c478bd9Sstevel@tonic-gate if (snprintf(door_file, sizeof (door_file), 1166facf4a8dSllai "%s%s", attr_root ? attr_root : root_dir, DEVFSADM_SERVICE_DOOR) 1167facf4a8dSllai >= sizeof (door_file)) { 11687c478bd9Sstevel@tonic-gate err_print("update_daemon failed to open sysevent service " 11697c478bd9Sstevel@tonic-gate "door\n"); 11707c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11717c478bd9Sstevel@tonic-gate } 11727c478bd9Sstevel@tonic-gate if ((sysevent_hp = sysevent_open_channel_alt( 11737c478bd9Sstevel@tonic-gate door_file)) == NULL) { 11747c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11757c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11767c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11777c478bd9Sstevel@tonic-gate } 11787c478bd9Sstevel@tonic-gate if (sysevent_bind_subscriber(sysevent_hp, event_handler) != 0) { 11797c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11807c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11817c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 11827c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11837c478bd9Sstevel@tonic-gate } 11847c478bd9Sstevel@tonic-gate subclass_list = EC_SUB_ALL; 11857c478bd9Sstevel@tonic-gate if (sysevent_register_event(sysevent_hp, EC_ALL, &subclass_list, 1) 11867c478bd9Sstevel@tonic-gate != 0) { 11877c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, 11887c478bd9Sstevel@tonic-gate door_file, strerror(errno)); 11897c478bd9Sstevel@tonic-gate (void) sysevent_unbind_subscriber(sysevent_hp); 11907c478bd9Sstevel@tonic-gate (void) sysevent_close_channel(sysevent_hp); 11917c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11927c478bd9Sstevel@tonic-gate } 1193facf4a8dSllai if (snprintf(door_file, sizeof (door_file), "%s/%s", 1194facf4a8dSllai etc_dev_dir, DEVFSADM_SYNCH_DOOR) >= sizeof (door_file)) { 1195facf4a8dSllai err_print(CANT_CREATE_DOOR, DEVFSADM_SYNCH_DOOR, 11967c478bd9Sstevel@tonic-gate strerror(ENAMETOOLONG)); 11977c478bd9Sstevel@tonic-gate devfsadm_exit(1); 11987c478bd9Sstevel@tonic-gate } 1199facf4a8dSllai 12007c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 1201facf4a8dSllai if ((fd = open(door_file, O_RDWR | O_CREAT, SYNCH_DOOR_PERMS)) == -1) { 1202facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12037c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12047c478bd9Sstevel@tonic-gate } 12057c478bd9Sstevel@tonic-gate (void) close(fd); 1206facf4a8dSllai 1207facf4a8dSllai if ((fd = door_create(sync_handler, NULL, 12087c478bd9Sstevel@tonic-gate DOOR_REFUSE_DESC | DOOR_NO_CANCEL)) == -1) { 1209facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12107c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12117c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12127c478bd9Sstevel@tonic-gate } 1213facf4a8dSllai 12147c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 1215facf4a8dSllai err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12167c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12177c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12187c478bd9Sstevel@tonic-gate } 12197c478bd9Sstevel@tonic-gate 1220facf4a8dSllai /* 1221facf4a8dSllai * devname_lookup_door 1222facf4a8dSllai */ 1223facf4a8dSllai if (snprintf(door_file, sizeof (door_file), "%s/%s", 1224facf4a8dSllai etc_dev_dir, DEVNAME_LOOKUP_DOOR) >= sizeof (door_file)) { 1225facf4a8dSllai err_print(CANT_CREATE_DOOR, DEVNAME_LOOKUP_DOOR, 1226facf4a8dSllai strerror(ENAMETOOLONG)); 1227facf4a8dSllai devfsadm_exit(1); 1228facf4a8dSllai } 12297c478bd9Sstevel@tonic-gate 12307c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 1231facf4a8dSllai if ((fd = open(door_file, O_RDWR | O_CREAT, S_IRUSR|S_IWUSR)) == -1) { 12327c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12337c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12347c478bd9Sstevel@tonic-gate } 12357c478bd9Sstevel@tonic-gate (void) close(fd); 12367c478bd9Sstevel@tonic-gate 1237facf4a8dSllai if ((fd = door_create(devname_lookup_handler, NULL, 1238facf4a8dSllai DOOR_REFUSE_DESC)) == -1) { 12397c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12407c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12417c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12427c478bd9Sstevel@tonic-gate } 12437c478bd9Sstevel@tonic-gate 1244facf4a8dSllai (void) fdetach(door_file); 1245facf4a8dSllai lookup_door_path = s_strdup(door_file); 1246facf4a8dSllai retry: 12477c478bd9Sstevel@tonic-gate if (fattach(fd, door_file) == -1) { 1248facf4a8dSllai if (errno == EBUSY) 1249facf4a8dSllai goto retry; 12507c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_DOOR, door_file, strerror(errno)); 12517c478bd9Sstevel@tonic-gate (void) s_unlink(door_file); 12527c478bd9Sstevel@tonic-gate devfsadm_exit(1); 12537c478bd9Sstevel@tonic-gate } 1254facf4a8dSllai lookup_door_fd = fd; 12557c478bd9Sstevel@tonic-gate 1256facf4a8dSllai /* pass down the door name to kernel for door_ki_open */ 1257facf4a8dSllai if (devname_kcall(MODDEVNAME_LOOKUPDOOR, (void *)door_file) != 0) 1258facf4a8dSllai err_print(DEVNAME_CONTACT_FAILED, strerror(errno)); 1259facf4a8dSllai else 1260facf4a8dSllai devname_setup_nsmaps(); 12617c478bd9Sstevel@tonic-gate 12627c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%spausing\n", fcn); 12637c478bd9Sstevel@tonic-gate for (;;) { 12647c478bd9Sstevel@tonic-gate (void) pause(); 12657c478bd9Sstevel@tonic-gate } 12667c478bd9Sstevel@tonic-gate } 12677c478bd9Sstevel@tonic-gate 12687c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 12697c478bd9Sstevel@tonic-gate static void 12707c478bd9Sstevel@tonic-gate sync_handler(void *cookie, char *ap, size_t asize, 12717c478bd9Sstevel@tonic-gate door_desc_t *dp, uint_t ndesc) 12727c478bd9Sstevel@tonic-gate { 12737c478bd9Sstevel@tonic-gate door_cred_t dcred; 12747c478bd9Sstevel@tonic-gate struct dca_off *dcp, rdca; 12757c478bd9Sstevel@tonic-gate struct dca_impl dci; 12767c478bd9Sstevel@tonic-gate 12777c478bd9Sstevel@tonic-gate /* 12787c478bd9Sstevel@tonic-gate * Must be root to make this call 12797c478bd9Sstevel@tonic-gate * If caller is not root, don't touch its data. 12807c478bd9Sstevel@tonic-gate */ 12817c478bd9Sstevel@tonic-gate if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 12827c478bd9Sstevel@tonic-gate dcp = ⤷ 12837c478bd9Sstevel@tonic-gate dcp->dca_error = EPERM; 12847c478bd9Sstevel@tonic-gate goto out; 12857c478bd9Sstevel@tonic-gate } 12867c478bd9Sstevel@tonic-gate 12877c478bd9Sstevel@tonic-gate assert(ap); 12887c478bd9Sstevel@tonic-gate assert(asize == sizeof (*dcp)); 12897c478bd9Sstevel@tonic-gate 12907c478bd9Sstevel@tonic-gate dcp = (void *)ap; 12917c478bd9Sstevel@tonic-gate 12927c478bd9Sstevel@tonic-gate /* 12937c478bd9Sstevel@tonic-gate * Root is always present and is the first component of "name" member 12947c478bd9Sstevel@tonic-gate */ 12957c478bd9Sstevel@tonic-gate assert(dcp->dca_root == 0); 12967c478bd9Sstevel@tonic-gate 12977c478bd9Sstevel@tonic-gate /* 12987c478bd9Sstevel@tonic-gate * The structure passed in by the door_client uses offsets 12997c478bd9Sstevel@tonic-gate * instead of pointers to work across address space boundaries. 13007c478bd9Sstevel@tonic-gate * Now copy the data into a structure (dca_impl) which uses 13017c478bd9Sstevel@tonic-gate * pointers. 13027c478bd9Sstevel@tonic-gate */ 13037c478bd9Sstevel@tonic-gate dci.dci_root = &dcp->dca_name[dcp->dca_root]; 13047c478bd9Sstevel@tonic-gate dci.dci_minor = dcp->dca_minor ? &dcp->dca_name[dcp->dca_minor] : NULL; 13057c478bd9Sstevel@tonic-gate dci.dci_driver = 13067c478bd9Sstevel@tonic-gate dcp->dca_driver ? &dcp->dca_name[dcp->dca_driver] : NULL; 13077c478bd9Sstevel@tonic-gate dci.dci_error = 0; 13087c478bd9Sstevel@tonic-gate dci.dci_flags = dcp->dca_flags | (dci.dci_driver ? DCA_LOAD_DRV : 0); 13097c478bd9Sstevel@tonic-gate dci.dci_arg = NULL; 13107c478bd9Sstevel@tonic-gate 13117c478bd9Sstevel@tonic-gate lock_dev(); 13127c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOCPYALL, NULL); 13137c478bd9Sstevel@tonic-gate dcp->dca_error = dci.dci_error; 13147c478bd9Sstevel@tonic-gate 1315ff2aee48Scth if (dcp->dca_flags & DCA_DEVLINK_SYNC) 1316ff2aee48Scth unlock_dev(SYNC_STATE); 1317ff2aee48Scth else 1318ff2aee48Scth unlock_dev(CACHE_STATE); 13197c478bd9Sstevel@tonic-gate 1320ff2aee48Scth out: (void) door_return((char *)dcp, sizeof (*dcp), NULL, 0); 13217c478bd9Sstevel@tonic-gate } 13227c478bd9Sstevel@tonic-gate 13237c478bd9Sstevel@tonic-gate static void 13247c478bd9Sstevel@tonic-gate lock_dev(void) 13257c478bd9Sstevel@tonic-gate { 13267c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "lock_dev(): entered\n"); 13277c478bd9Sstevel@tonic-gate 13287c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 13297c478bd9Sstevel@tonic-gate return; 13307c478bd9Sstevel@tonic-gate 13317c478bd9Sstevel@tonic-gate /* lockout other threads from /dev */ 13327c478bd9Sstevel@tonic-gate while (sema_wait(&dev_sema) != 0); 13337c478bd9Sstevel@tonic-gate 13347c478bd9Sstevel@tonic-gate /* 13357c478bd9Sstevel@tonic-gate * Lock out other devfsadm processes from /dev. 13367c478bd9Sstevel@tonic-gate * If this wasn't the last process to run, 13377c478bd9Sstevel@tonic-gate * clear caches 13387c478bd9Sstevel@tonic-gate */ 13397c478bd9Sstevel@tonic-gate if (enter_dev_lock() != getpid()) { 13407c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 13417c478bd9Sstevel@tonic-gate rm_all_links_from_cache(); 13427c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, DI_LINK_ERROR); 1343f05faa4eSjacobs 1344f05faa4eSjacobs /* send any sysevents that were queued up. */ 1345f05faa4eSjacobs process_syseventq(); 13467c478bd9Sstevel@tonic-gate } 13477c478bd9Sstevel@tonic-gate 13487c478bd9Sstevel@tonic-gate /* 13497c478bd9Sstevel@tonic-gate * (re)load the reverse links database if not 13507c478bd9Sstevel@tonic-gate * already cached. 13517c478bd9Sstevel@tonic-gate */ 13527c478bd9Sstevel@tonic-gate if (devlink_cache == NULL) 13537c478bd9Sstevel@tonic-gate devlink_cache = di_devlink_open(root_dir, 0); 13547c478bd9Sstevel@tonic-gate 13557c478bd9Sstevel@tonic-gate /* 13567c478bd9Sstevel@tonic-gate * If modules were unloaded, reload them. Also use module status 13577c478bd9Sstevel@tonic-gate * as an indication that we should check to see if other binding 13587c478bd9Sstevel@tonic-gate * files need to be reloaded. 13597c478bd9Sstevel@tonic-gate */ 13607c478bd9Sstevel@tonic-gate if (module_head == NULL) { 13617c478bd9Sstevel@tonic-gate load_modules(); 13627c478bd9Sstevel@tonic-gate read_minor_perm_file(); 13637c478bd9Sstevel@tonic-gate read_driver_aliases_file(); 13647c478bd9Sstevel@tonic-gate read_devlinktab_file(); 13657c478bd9Sstevel@tonic-gate read_logindevperm_file(); 13667c478bd9Sstevel@tonic-gate } 13677c478bd9Sstevel@tonic-gate 13687c478bd9Sstevel@tonic-gate if (module_head != NULL) 13697c478bd9Sstevel@tonic-gate return; 13707c478bd9Sstevel@tonic-gate 13717c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVLINKS) == 0) { 13727c478bd9Sstevel@tonic-gate if (devlinktab_list == NULL) { 13737c478bd9Sstevel@tonic-gate err_print(NO_LINKTAB, devlinktab_file); 13747c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 13757c478bd9Sstevel@tonic-gate err_print(ABORTING); 13767c478bd9Sstevel@tonic-gate devfsadm_exit(1); 13777c478bd9Sstevel@tonic-gate } 13787c478bd9Sstevel@tonic-gate } else { 13797c478bd9Sstevel@tonic-gate err_print(NO_MODULES, module_dirs); 13807c478bd9Sstevel@tonic-gate if (strcmp(prog, DEVFSADM) == 0) { 13817c478bd9Sstevel@tonic-gate err_print(MODIFY_PATH); 13827c478bd9Sstevel@tonic-gate } 13837c478bd9Sstevel@tonic-gate } 13847c478bd9Sstevel@tonic-gate } 13857c478bd9Sstevel@tonic-gate 1386ff2aee48Scth /* 1387ff2aee48Scth * Unlock the device. If we are processing a CACHE_STATE call, we signal a 1388ff2aee48Scth * minor_fini_thread delayed SYNC_STATE at the end of the call. If we are 1389ff2aee48Scth * processing a SYNC_STATE call, we cancel any minor_fini_thread SYNC_STATE 1390ff2aee48Scth * at both the start and end of the call since we will be doing the SYNC_STATE. 1391ff2aee48Scth */ 13927c478bd9Sstevel@tonic-gate static void 13937c478bd9Sstevel@tonic-gate unlock_dev(int flag) 13947c478bd9Sstevel@tonic-gate { 1395ff2aee48Scth assert(flag == SYNC_STATE || flag == CACHE_STATE); 1396ff2aee48Scth 13977c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "unlock_dev(): entered\n"); 13987c478bd9Sstevel@tonic-gate 1399ff2aee48Scth /* If we are starting a SYNC_STATE, cancel minor_fini_thread SYNC */ 1400ff2aee48Scth if (flag == SYNC_STATE) { 1401ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 1402ff2aee48Scth minor_fini_canceled = TRUE; 1403ff2aee48Scth minor_fini_delayed = FALSE; 1404ff2aee48Scth (void) mutex_unlock(&minor_fini_mutex); 1405ff2aee48Scth } 1406ff2aee48Scth 14077c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 14087c478bd9Sstevel@tonic-gate return; 14097c478bd9Sstevel@tonic-gate 1410568e756aSvikram if (devlink_cache == NULL) { 1411568e756aSvikram err_print(NO_DEVLINK_CACHE); 1412568e756aSvikram } 14137c478bd9Sstevel@tonic-gate assert(devlink_cache); 14147c478bd9Sstevel@tonic-gate 14157c478bd9Sstevel@tonic-gate if (flag == SYNC_STATE) { 14167c478bd9Sstevel@tonic-gate unload_modules(); 14177c478bd9Sstevel@tonic-gate if (update_database) 14187c478bd9Sstevel@tonic-gate (void) di_devlink_update(devlink_cache); 14197c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 1420f05faa4eSjacobs 1421f05faa4eSjacobs /* 1422f05faa4eSjacobs * now that the devlinks db cache has been flushed, it is safe 1423f05faa4eSjacobs * to send any sysevents that were queued up. 1424f05faa4eSjacobs */ 1425f05faa4eSjacobs process_syseventq(); 14267c478bd9Sstevel@tonic-gate } 14277c478bd9Sstevel@tonic-gate 14287c478bd9Sstevel@tonic-gate exit_dev_lock(); 14297c478bd9Sstevel@tonic-gate 1430ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 1431ff2aee48Scth if (flag == SYNC_STATE) { 1432ff2aee48Scth /* We did a SYNC_STATE, cancel minor_fini_thread SYNC */ 1433ff2aee48Scth minor_fini_canceled = TRUE; 1434ff2aee48Scth minor_fini_delayed = FALSE; 1435ff2aee48Scth } else { 1436ff2aee48Scth /* We did a CACHE_STATE, start delayed minor_fini_thread SYNC */ 1437ff2aee48Scth minor_fini_canceled = FALSE; 1438ff2aee48Scth minor_fini_delayed = TRUE; 1439ff2aee48Scth (void) cond_signal(&minor_fini_cv); 1440ff2aee48Scth } 1441ff2aee48Scth (void) mutex_unlock(&minor_fini_mutex); 1442ff2aee48Scth 14437c478bd9Sstevel@tonic-gate (void) sema_post(&dev_sema); 14447c478bd9Sstevel@tonic-gate } 14457c478bd9Sstevel@tonic-gate 14467c478bd9Sstevel@tonic-gate /* 14477c478bd9Sstevel@tonic-gate * Check that if -r is set, it is not any part of a zone--- that is, that 14487c478bd9Sstevel@tonic-gate * the zonepath is not a substring of the root path. 14497c478bd9Sstevel@tonic-gate */ 14507c478bd9Sstevel@tonic-gate static int 14517c478bd9Sstevel@tonic-gate zone_pathcheck(char *checkpath) 14527c478bd9Sstevel@tonic-gate { 14537c478bd9Sstevel@tonic-gate void *dlhdl = NULL; 14547c478bd9Sstevel@tonic-gate char *name; 14557c478bd9Sstevel@tonic-gate char root[MAXPATHLEN]; /* resolved devfsadm root path */ 14567c478bd9Sstevel@tonic-gate char zroot[MAXPATHLEN]; /* zone root path */ 14577c478bd9Sstevel@tonic-gate char rzroot[MAXPATHLEN]; /* resolved zone root path */ 1458facf4a8dSllai char tmp[MAXPATHLEN]; 14597c478bd9Sstevel@tonic-gate FILE *cookie; 14607c478bd9Sstevel@tonic-gate int err = DEVFSADM_SUCCESS; 14617c478bd9Sstevel@tonic-gate 14627c478bd9Sstevel@tonic-gate if (checkpath[0] == '\0') 14637c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 14647c478bd9Sstevel@tonic-gate 14657c478bd9Sstevel@tonic-gate /* 14667c478bd9Sstevel@tonic-gate * Check if zones is available on this system. 14677c478bd9Sstevel@tonic-gate */ 14687c478bd9Sstevel@tonic-gate if ((dlhdl = dlopen(LIBZONECFG_PATH, RTLD_LAZY)) == NULL) { 14697c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 14707c478bd9Sstevel@tonic-gate } 14717c478bd9Sstevel@tonic-gate 14727c478bd9Sstevel@tonic-gate bzero(root, sizeof (root)); 14737c478bd9Sstevel@tonic-gate if (resolvepath(checkpath, root, sizeof (root) - 1) == -1) { 14747c478bd9Sstevel@tonic-gate /* 1475facf4a8dSllai * In this case the user has done "devfsadm -r" on some path 14767c478bd9Sstevel@tonic-gate * which does not yet exist, or we got some other misc. error. 14777c478bd9Sstevel@tonic-gate * We punt and don't resolve the path in this case. 14787c478bd9Sstevel@tonic-gate */ 14797c478bd9Sstevel@tonic-gate (void) strlcpy(root, checkpath, sizeof (root)); 14807c478bd9Sstevel@tonic-gate } 14817c478bd9Sstevel@tonic-gate 14827c478bd9Sstevel@tonic-gate if (strlen(root) > 0 && (root[strlen(root) - 1] != '/')) { 14837c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", root); 14847c478bd9Sstevel@tonic-gate (void) strlcpy(root, tmp, sizeof (root)); 14857c478bd9Sstevel@tonic-gate } 14867c478bd9Sstevel@tonic-gate 14877c478bd9Sstevel@tonic-gate cookie = setzoneent(); 14887c478bd9Sstevel@tonic-gate while ((name = getzoneent(cookie)) != NULL) { 14897c478bd9Sstevel@tonic-gate /* Skip the global zone */ 14907c478bd9Sstevel@tonic-gate if (strcmp(name, GLOBAL_ZONENAME) == 0) { 14917c478bd9Sstevel@tonic-gate free(name); 14927c478bd9Sstevel@tonic-gate continue; 14937c478bd9Sstevel@tonic-gate } 14947c478bd9Sstevel@tonic-gate 14957c478bd9Sstevel@tonic-gate if (zone_get_zonepath(name, zroot, sizeof (zroot)) != Z_OK) { 14967c478bd9Sstevel@tonic-gate free(name); 14977c478bd9Sstevel@tonic-gate continue; 14987c478bd9Sstevel@tonic-gate } 14997c478bd9Sstevel@tonic-gate 15007c478bd9Sstevel@tonic-gate bzero(rzroot, sizeof (rzroot)); 15017c478bd9Sstevel@tonic-gate if (resolvepath(zroot, rzroot, sizeof (rzroot) - 1) == -1) { 15027c478bd9Sstevel@tonic-gate /* 15037c478bd9Sstevel@tonic-gate * Zone path doesn't exist, or other misc error, 15047c478bd9Sstevel@tonic-gate * so we try using the non-resolved pathname. 15057c478bd9Sstevel@tonic-gate */ 15067c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, zroot, sizeof (rzroot)); 15077c478bd9Sstevel@tonic-gate } 15087c478bd9Sstevel@tonic-gate if (strlen(rzroot) > 0 && (rzroot[strlen(rzroot) - 1] != '/')) { 15097c478bd9Sstevel@tonic-gate (void) snprintf(tmp, sizeof (tmp), "%s/", rzroot); 15107c478bd9Sstevel@tonic-gate (void) strlcpy(rzroot, tmp, sizeof (rzroot)); 15117c478bd9Sstevel@tonic-gate } 15127c478bd9Sstevel@tonic-gate 15137c478bd9Sstevel@tonic-gate /* 15147c478bd9Sstevel@tonic-gate * Finally, the comparison. If the zone root path is a 15157c478bd9Sstevel@tonic-gate * leading substring of the root path, fail. 15167c478bd9Sstevel@tonic-gate */ 15177c478bd9Sstevel@tonic-gate if (strncmp(rzroot, root, strlen(rzroot)) == 0) { 15187c478bd9Sstevel@tonic-gate err_print(ZONE_PATHCHECK, root, name); 15197c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 15207c478bd9Sstevel@tonic-gate free(name); 15217c478bd9Sstevel@tonic-gate break; 15227c478bd9Sstevel@tonic-gate } 15237c478bd9Sstevel@tonic-gate free(name); 15247c478bd9Sstevel@tonic-gate } 15257c478bd9Sstevel@tonic-gate endzoneent(cookie); 15267c478bd9Sstevel@tonic-gate (void) dlclose(dlhdl); 15277c478bd9Sstevel@tonic-gate return (err); 15287c478bd9Sstevel@tonic-gate } 15297c478bd9Sstevel@tonic-gate 15307c478bd9Sstevel@tonic-gate /* 15317c478bd9Sstevel@tonic-gate * Called by the daemon when it receives an event from the devfsadm SLM 15327c478bd9Sstevel@tonic-gate * to syseventd. 15337c478bd9Sstevel@tonic-gate * 15347c478bd9Sstevel@tonic-gate * The devfsadm SLM uses a private event channel for communication to 15357c478bd9Sstevel@tonic-gate * devfsadmd set-up via private libsysevent interfaces. This handler is 15367c478bd9Sstevel@tonic-gate * used to bind to the devfsadmd channel for event delivery. 15377c478bd9Sstevel@tonic-gate * The devfsadmd SLM insures single calls to this routine as well as 15387c478bd9Sstevel@tonic-gate * synchronized event delivery. 15397c478bd9Sstevel@tonic-gate * 15407c478bd9Sstevel@tonic-gate */ 15417c478bd9Sstevel@tonic-gate static void 15427c478bd9Sstevel@tonic-gate event_handler(sysevent_t *ev) 15437c478bd9Sstevel@tonic-gate { 15447c478bd9Sstevel@tonic-gate char *path; 15457c478bd9Sstevel@tonic-gate char *minor; 15467c478bd9Sstevel@tonic-gate char *subclass; 15477c478bd9Sstevel@tonic-gate char *dev_ev_subclass; 15487c478bd9Sstevel@tonic-gate char *driver_name; 15497c478bd9Sstevel@tonic-gate nvlist_t *attr_list = NULL; 15507c478bd9Sstevel@tonic-gate int err = 0; 15517c478bd9Sstevel@tonic-gate int instance; 15527c478bd9Sstevel@tonic-gate int branch_event = 0; 15537c478bd9Sstevel@tonic-gate 15547c478bd9Sstevel@tonic-gate subclass = sysevent_get_subclass_name(ev); 15557c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: %s id:0X%llx\n", 15567c478bd9Sstevel@tonic-gate subclass, sysevent_get_seq(ev)); 15577c478bd9Sstevel@tonic-gate 1558facf4a8dSllai if (strcmp(subclass, ESC_DEVFS_START) == 0) { 1559facf4a8dSllai return; 1560facf4a8dSllai } 1561facf4a8dSllai 15627c478bd9Sstevel@tonic-gate /* Check if event is an instance modification */ 15637c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_INSTANCE_MOD) == 0) { 15647c478bd9Sstevel@tonic-gate devfs_instance_mod(); 15657c478bd9Sstevel@tonic-gate return; 15667c478bd9Sstevel@tonic-gate } 15677c478bd9Sstevel@tonic-gate if (sysevent_get_attr_list(ev, &attr_list) != 0) { 15687c478bd9Sstevel@tonic-gate vprint(EVENT_MID, "event_handler: can not get attr list\n"); 15697c478bd9Sstevel@tonic-gate return; 15707c478bd9Sstevel@tonic-gate } 15717c478bd9Sstevel@tonic-gate 15727c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_DEVI_ADD) == 0 || 15737c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_DEVI_REMOVE) == 0 || 15747c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_CREATE) == 0 || 15757c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_MINOR_REMOVE) == 0) { 15767c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, DEVFS_PATHNAME, 15777c478bd9Sstevel@tonic-gate &path)) != 0) 15787c478bd9Sstevel@tonic-gate goto out; 15797c478bd9Sstevel@tonic-gate 158030294554Sphitran if (nvlist_lookup_string(attr_list, DEVFS_DEVI_CLASS, 158130294554Sphitran &dev_ev_subclass) != 0) 158230294554Sphitran dev_ev_subclass = NULL; 15837c478bd9Sstevel@tonic-gate 158430294554Sphitran if (nvlist_lookup_string(attr_list, DEVFS_DRIVER_NAME, 158530294554Sphitran &driver_name) != 0) 158630294554Sphitran driver_name = NULL; 15877c478bd9Sstevel@tonic-gate 158830294554Sphitran if (nvlist_lookup_int32(attr_list, DEVFS_INSTANCE, 158930294554Sphitran &instance) != 0) 159030294554Sphitran instance = -1; 15917c478bd9Sstevel@tonic-gate 159230294554Sphitran if (nvlist_lookup_int32(attr_list, DEVFS_BRANCH_EVENT, 159330294554Sphitran &branch_event) != 0) 159430294554Sphitran branch_event = 0; 15957c478bd9Sstevel@tonic-gate 159630294554Sphitran if (nvlist_lookup_string(attr_list, DEVFS_MINOR_NAME, 159730294554Sphitran &minor) != 0) 159830294554Sphitran minor = NULL; 15997c478bd9Sstevel@tonic-gate 16007c478bd9Sstevel@tonic-gate lock_dev(); 16017c478bd9Sstevel@tonic-gate 16027c478bd9Sstevel@tonic-gate if (strcmp(ESC_DEVFS_DEVI_ADD, subclass) == 0) { 16037c478bd9Sstevel@tonic-gate add_minor_pathname(path, NULL, dev_ev_subclass); 16047c478bd9Sstevel@tonic-gate if (branch_event) { 1605f05faa4eSjacobs build_and_enq_event(EC_DEV_BRANCH, 160630294554Sphitran ESC_DEV_BRANCH_ADD, path, DI_NODE_NIL, 160730294554Sphitran NULL); 16087c478bd9Sstevel@tonic-gate } 16097c478bd9Sstevel@tonic-gate 16107c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_CREATE, subclass) == 0) { 161130294554Sphitran add_minor_pathname(path, minor, dev_ev_subclass); 16127c478bd9Sstevel@tonic-gate 16137c478bd9Sstevel@tonic-gate } else if (strcmp(ESC_DEVFS_MINOR_REMOVE, subclass) == 0) { 161430294554Sphitran hot_cleanup(path, minor, dev_ev_subclass, driver_name, 161530294554Sphitran instance); 16167c478bd9Sstevel@tonic-gate 16177c478bd9Sstevel@tonic-gate } else { /* ESC_DEVFS_DEVI_REMOVE */ 16187c478bd9Sstevel@tonic-gate hot_cleanup(path, NULL, dev_ev_subclass, 16197c478bd9Sstevel@tonic-gate driver_name, instance); 16207c478bd9Sstevel@tonic-gate if (branch_event) { 1621f05faa4eSjacobs build_and_enq_event(EC_DEV_BRANCH, 162230294554Sphitran ESC_DEV_BRANCH_REMOVE, path, DI_NODE_NIL, 162330294554Sphitran NULL); 16247c478bd9Sstevel@tonic-gate } 16257c478bd9Sstevel@tonic-gate } 16267c478bd9Sstevel@tonic-gate 16277c478bd9Sstevel@tonic-gate unlock_dev(CACHE_STATE); 16287c478bd9Sstevel@tonic-gate 16297c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0 || 16307c478bd9Sstevel@tonic-gate strcmp(subclass, ESC_DEVFS_BRANCH_REMOVE) == 0) { 16317c478bd9Sstevel@tonic-gate if ((err = nvlist_lookup_string(attr_list, 16327c478bd9Sstevel@tonic-gate DEVFS_PATHNAME, &path)) != 0) 16337c478bd9Sstevel@tonic-gate goto out; 16347c478bd9Sstevel@tonic-gate 16357c478bd9Sstevel@tonic-gate /* just log ESC_DEV_BRANCH... event */ 16367c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DEVFS_BRANCH_ADD) == 0) 16377c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_ADD; 16387c478bd9Sstevel@tonic-gate else 16397c478bd9Sstevel@tonic-gate dev_ev_subclass = ESC_DEV_BRANCH_REMOVE; 16407c478bd9Sstevel@tonic-gate 1641d2596142Scth lock_dev(); 1642f05faa4eSjacobs build_and_enq_event(EC_DEV_BRANCH, dev_ev_subclass, path, 164330294554Sphitran DI_NODE_NIL, NULL); 1644d2596142Scth unlock_dev(CACHE_STATE); 16457c478bd9Sstevel@tonic-gate } else 16467c478bd9Sstevel@tonic-gate err_print(UNKNOWN_EVENT, subclass); 16477c478bd9Sstevel@tonic-gate 16487c478bd9Sstevel@tonic-gate out: 16497c478bd9Sstevel@tonic-gate if (err) 16507c478bd9Sstevel@tonic-gate err_print(EVENT_ATTR_LOOKUP_FAILED, strerror(err)); 16517c478bd9Sstevel@tonic-gate nvlist_free(attr_list); 16527c478bd9Sstevel@tonic-gate } 16537c478bd9Sstevel@tonic-gate 16547c478bd9Sstevel@tonic-gate static void 16557c478bd9Sstevel@tonic-gate dca_impl_init(char *root, char *minor, struct dca_impl *dcip) 16567c478bd9Sstevel@tonic-gate { 16577c478bd9Sstevel@tonic-gate assert(root); 16587c478bd9Sstevel@tonic-gate 16597c478bd9Sstevel@tonic-gate dcip->dci_root = root; 16607c478bd9Sstevel@tonic-gate dcip->dci_minor = minor; 16617c478bd9Sstevel@tonic-gate dcip->dci_driver = NULL; 16627c478bd9Sstevel@tonic-gate dcip->dci_error = 0; 16637c478bd9Sstevel@tonic-gate dcip->dci_flags = 0; 16647c478bd9Sstevel@tonic-gate dcip->dci_arg = NULL; 16657c478bd9Sstevel@tonic-gate } 16667c478bd9Sstevel@tonic-gate 16677c478bd9Sstevel@tonic-gate /* 16687c478bd9Sstevel@tonic-gate * Kernel logs a message when a devinfo node is attached. Try to create 16697c478bd9Sstevel@tonic-gate * /dev and /devices for each minor node. minorname can be NULL. 16707c478bd9Sstevel@tonic-gate */ 16717c478bd9Sstevel@tonic-gate void 16727c478bd9Sstevel@tonic-gate add_minor_pathname(char *node, char *minor, char *ev_subclass) 16737c478bd9Sstevel@tonic-gate { 16747c478bd9Sstevel@tonic-gate struct dca_impl dci; 16757c478bd9Sstevel@tonic-gate 16767c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "add_minor_pathname: node_path=%s minor=%s\n", 16777c478bd9Sstevel@tonic-gate node, minor ? minor : "NULL"); 16787c478bd9Sstevel@tonic-gate 16797c478bd9Sstevel@tonic-gate dca_impl_init(node, minor, &dci); 16807c478bd9Sstevel@tonic-gate 16817c478bd9Sstevel@tonic-gate /* 16827c478bd9Sstevel@tonic-gate * Restrict hotplug link creation if daemon 16837c478bd9Sstevel@tonic-gate * started with -i option. 16847c478bd9Sstevel@tonic-gate */ 16857c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 16867c478bd9Sstevel@tonic-gate dci.dci_driver = driver; 16877c478bd9Sstevel@tonic-gate } 16887c478bd9Sstevel@tonic-gate 16897c478bd9Sstevel@tonic-gate /* 16907c478bd9Sstevel@tonic-gate * We are being invoked in response to a hotplug 16917c478bd9Sstevel@tonic-gate * event. Also, notify RCM if nodetype indicates 16927c478bd9Sstevel@tonic-gate * a network device has been hotplugged. 16937c478bd9Sstevel@tonic-gate */ 16947c478bd9Sstevel@tonic-gate dci.dci_flags = DCA_HOT_PLUG | DCA_CHECK_TYPE; 16957c478bd9Sstevel@tonic-gate 16967c478bd9Sstevel@tonic-gate devi_tree_walk(&dci, DINFOPROP|DINFOMINOR, ev_subclass); 16977c478bd9Sstevel@tonic-gate } 16987c478bd9Sstevel@tonic-gate 16997c478bd9Sstevel@tonic-gate static di_node_t 17007c478bd9Sstevel@tonic-gate find_clone_node() 17017c478bd9Sstevel@tonic-gate { 17027c478bd9Sstevel@tonic-gate static di_node_t clone_node = DI_NODE_NIL; 17037c478bd9Sstevel@tonic-gate 17047c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) 17057c478bd9Sstevel@tonic-gate clone_node = di_init("/pseudo/clone@0", DINFOPROP); 17067c478bd9Sstevel@tonic-gate return (clone_node); 17077c478bd9Sstevel@tonic-gate } 17087c478bd9Sstevel@tonic-gate 17097c478bd9Sstevel@tonic-gate static int 17107c478bd9Sstevel@tonic-gate is_descendent_of(di_node_t node, char *driver) 17117c478bd9Sstevel@tonic-gate { 17127c478bd9Sstevel@tonic-gate while (node != DI_NODE_NIL) { 17137c478bd9Sstevel@tonic-gate char *drv = di_driver_name(node); 17147c478bd9Sstevel@tonic-gate if (strcmp(drv, driver) == 0) 17157c478bd9Sstevel@tonic-gate return (1); 17167c478bd9Sstevel@tonic-gate node = di_parent_node(node); 17177c478bd9Sstevel@tonic-gate } 17187c478bd9Sstevel@tonic-gate return (0); 17197c478bd9Sstevel@tonic-gate } 17207c478bd9Sstevel@tonic-gate 17217c478bd9Sstevel@tonic-gate /* 17227c478bd9Sstevel@tonic-gate * Checks the minor type. If it is an alias node, then lookup 17237c478bd9Sstevel@tonic-gate * the real node/minor first, then call minor_process() to 17247c478bd9Sstevel@tonic-gate * do the real work. 17257c478bd9Sstevel@tonic-gate */ 17267c478bd9Sstevel@tonic-gate static int 17277c478bd9Sstevel@tonic-gate check_minor_type(di_node_t node, di_minor_t minor, void *arg) 17287c478bd9Sstevel@tonic-gate { 17297c478bd9Sstevel@tonic-gate ddi_minor_type minor_type; 17307c478bd9Sstevel@tonic-gate di_node_t clone_node; 17317c478bd9Sstevel@tonic-gate char *mn; 17327c478bd9Sstevel@tonic-gate char *nt; 17337c478bd9Sstevel@tonic-gate struct mlist *dep; 17347c478bd9Sstevel@tonic-gate struct dca_impl *dcip = arg; 17357c478bd9Sstevel@tonic-gate 17367c478bd9Sstevel@tonic-gate assert(dcip); 17377c478bd9Sstevel@tonic-gate 17387c478bd9Sstevel@tonic-gate dep = dcip->dci_arg; 17397c478bd9Sstevel@tonic-gate 17407c478bd9Sstevel@tonic-gate mn = di_minor_name(minor); 17417c478bd9Sstevel@tonic-gate 17427c478bd9Sstevel@tonic-gate /* 17437c478bd9Sstevel@tonic-gate * We match driver here instead of in minor_process 17447c478bd9Sstevel@tonic-gate * as we want the actual driver name. This check is 17457c478bd9Sstevel@tonic-gate * unnecessary during deferred processing. 17467c478bd9Sstevel@tonic-gate */ 17477c478bd9Sstevel@tonic-gate if (dep && 17487c478bd9Sstevel@tonic-gate ((dcip->dci_driver && !is_descendent_of(node, dcip->dci_driver)) || 17497c478bd9Sstevel@tonic-gate (dcip->dci_minor && strcmp(mn, dcip->dci_minor)))) { 17507c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 17517c478bd9Sstevel@tonic-gate } 17527c478bd9Sstevel@tonic-gate 17537c478bd9Sstevel@tonic-gate if ((dcip->dci_flags & DCA_CHECK_TYPE) && 17547c478bd9Sstevel@tonic-gate (nt = di_minor_nodetype(minor)) && 1755210db224Sericheng (strcmp(nt, DDI_NT_NET) == 0)) { 17567c478bd9Sstevel@tonic-gate dcip->dci_flags |= DCA_NOTIFY_RCM; 17577c478bd9Sstevel@tonic-gate dcip->dci_flags &= ~DCA_CHECK_TYPE; 17587c478bd9Sstevel@tonic-gate } 17597c478bd9Sstevel@tonic-gate 17607c478bd9Sstevel@tonic-gate minor_type = di_minor_type(minor); 17617c478bd9Sstevel@tonic-gate 17627c478bd9Sstevel@tonic-gate if (minor_type == DDM_MINOR) { 17637c478bd9Sstevel@tonic-gate minor_process(node, minor, dep); 17647c478bd9Sstevel@tonic-gate 17657c478bd9Sstevel@tonic-gate } else if (minor_type == DDM_ALIAS) { 17667c478bd9Sstevel@tonic-gate struct mlist *cdep, clone_del = {0}; 17677c478bd9Sstevel@tonic-gate 17687c478bd9Sstevel@tonic-gate clone_node = find_clone_node(); 17697c478bd9Sstevel@tonic-gate if (clone_node == DI_NODE_NIL) { 17707c478bd9Sstevel@tonic-gate err_print(DI_INIT_FAILED, "clone", strerror(errno)); 17717c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 17727c478bd9Sstevel@tonic-gate } 17737c478bd9Sstevel@tonic-gate 17747c478bd9Sstevel@tonic-gate cdep = dep ? &clone_del : NULL; 17757c478bd9Sstevel@tonic-gate 17767c478bd9Sstevel@tonic-gate minor_process(clone_node, minor, cdep); 17777c478bd9Sstevel@tonic-gate 17787c478bd9Sstevel@tonic-gate /* 17797c478bd9Sstevel@tonic-gate * cache "alias" minor node and free "clone" minor 17807c478bd9Sstevel@tonic-gate */ 17817c478bd9Sstevel@tonic-gate if (cdep != NULL && cdep->head != NULL) { 17827c478bd9Sstevel@tonic-gate assert(cdep->tail != NULL); 17837c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 17847c478bd9Sstevel@tonic-gate dcip->dci_arg = cdep; 17857c478bd9Sstevel@tonic-gate process_deferred_links(dcip, DCA_FREE_LIST); 17867c478bd9Sstevel@tonic-gate dcip->dci_arg = dep; 17877c478bd9Sstevel@tonic-gate } 17887c478bd9Sstevel@tonic-gate } 17897c478bd9Sstevel@tonic-gate 17907c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 17917c478bd9Sstevel@tonic-gate } 17927c478bd9Sstevel@tonic-gate 17937c478bd9Sstevel@tonic-gate 17947c478bd9Sstevel@tonic-gate /* 17957c478bd9Sstevel@tonic-gate * This is the entry point for each minor node, whether walking 17967c478bd9Sstevel@tonic-gate * the entire tree via di_walk_minor() or processing a hotplug event 17977c478bd9Sstevel@tonic-gate * for a single devinfo node (via hotplug ndi_devi_online()). 17987c478bd9Sstevel@tonic-gate */ 17997c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 18007c478bd9Sstevel@tonic-gate static void 18017c478bd9Sstevel@tonic-gate minor_process(di_node_t node, di_minor_t minor, struct mlist *dep) 18027c478bd9Sstevel@tonic-gate { 18037c478bd9Sstevel@tonic-gate create_list_t *create; 18047c478bd9Sstevel@tonic-gate int defer; 18057c478bd9Sstevel@tonic-gate 18067c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: node=%s, minor=%s\n", 18077c478bd9Sstevel@tonic-gate di_node_name(node), di_minor_name(minor)); 18087c478bd9Sstevel@tonic-gate 18097c478bd9Sstevel@tonic-gate if (dep != NULL) { 18107c478bd9Sstevel@tonic-gate 18117c478bd9Sstevel@tonic-gate /* 18127c478bd9Sstevel@tonic-gate * Reset /devices node to minor_perm perm/ownership 18137c478bd9Sstevel@tonic-gate * if we are here to deactivate device allocation 18147c478bd9Sstevel@tonic-gate */ 18157c478bd9Sstevel@tonic-gate if (build_devices == TRUE) { 18167c478bd9Sstevel@tonic-gate reset_node_permissions(node, minor); 18177c478bd9Sstevel@tonic-gate } 18187c478bd9Sstevel@tonic-gate 18197c478bd9Sstevel@tonic-gate if (build_dev == FALSE) { 18207c478bd9Sstevel@tonic-gate return; 18217c478bd9Sstevel@tonic-gate } 18227c478bd9Sstevel@tonic-gate 18237c478bd9Sstevel@tonic-gate /* 18247c478bd9Sstevel@tonic-gate * This function will create any nodes for /etc/devlink.tab. 18257c478bd9Sstevel@tonic-gate * If devlink.tab handles link creation, we don't call any 18267c478bd9Sstevel@tonic-gate * devfsadm modules since that could cause duplicate caching 18277c478bd9Sstevel@tonic-gate * in the enumerate functions if different re strings are 18287c478bd9Sstevel@tonic-gate * passed that are logically identical. I'm still not 18297c478bd9Sstevel@tonic-gate * convinced this would cause any harm, but better to be safe. 18307c478bd9Sstevel@tonic-gate * 18317c478bd9Sstevel@tonic-gate * Deferred processing is available only for devlinks 18327c478bd9Sstevel@tonic-gate * created through devfsadm modules. 18337c478bd9Sstevel@tonic-gate */ 18347c478bd9Sstevel@tonic-gate if (process_devlink_compat(minor, node) == TRUE) { 18357c478bd9Sstevel@tonic-gate return; 18367c478bd9Sstevel@tonic-gate } 18377c478bd9Sstevel@tonic-gate } else { 18387c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "minor_process: deferred processing\n"); 18397c478bd9Sstevel@tonic-gate } 18407c478bd9Sstevel@tonic-gate 18417c478bd9Sstevel@tonic-gate /* 18427c478bd9Sstevel@tonic-gate * look for relevant link create rules in the modules, and 18437c478bd9Sstevel@tonic-gate * invoke the link create callback function to build a link 18447c478bd9Sstevel@tonic-gate * if there is a match. 18457c478bd9Sstevel@tonic-gate */ 18467c478bd9Sstevel@tonic-gate defer = 0; 18477c478bd9Sstevel@tonic-gate for (create = create_head; create != NULL; create = create->next) { 18487c478bd9Sstevel@tonic-gate if ((minor_matches_rule(node, minor, create) == TRUE) && 18497c478bd9Sstevel@tonic-gate class_ok(create->create->device_class) == 18507c478bd9Sstevel@tonic-gate DEVFSADM_SUCCESS) { 18517c478bd9Sstevel@tonic-gate if (call_minor_init(create->modptr) == 18527c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 18537c478bd9Sstevel@tonic-gate continue; 18547c478bd9Sstevel@tonic-gate } 18557c478bd9Sstevel@tonic-gate 18567c478bd9Sstevel@tonic-gate /* 18577c478bd9Sstevel@tonic-gate * If NOT doing the deferred creates (i.e. 1st pass) and 18587c478bd9Sstevel@tonic-gate * rule requests deferred processing cache the minor 18597c478bd9Sstevel@tonic-gate * data. 18607c478bd9Sstevel@tonic-gate * 18617c478bd9Sstevel@tonic-gate * If deferred processing (2nd pass), create links 18627c478bd9Sstevel@tonic-gate * ONLY if rule requests deferred processing. 18637c478bd9Sstevel@tonic-gate */ 18647c478bd9Sstevel@tonic-gate if (dep && ((create->create->flags & CREATE_MASK) == 18657c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 18667c478bd9Sstevel@tonic-gate defer = 1; 18677c478bd9Sstevel@tonic-gate continue; 18687c478bd9Sstevel@tonic-gate } else if (dep == NULL && 18697c478bd9Sstevel@tonic-gate ((create->create->flags & CREATE_MASK) != 18707c478bd9Sstevel@tonic-gate CREATE_DEFER)) { 18717c478bd9Sstevel@tonic-gate continue; 18727c478bd9Sstevel@tonic-gate } 18737c478bd9Sstevel@tonic-gate 18747c478bd9Sstevel@tonic-gate if ((*(create->create->callback_fcn)) 18757c478bd9Sstevel@tonic-gate (minor, node) == DEVFSADM_TERMINATE) { 18767c478bd9Sstevel@tonic-gate break; 18777c478bd9Sstevel@tonic-gate } 18787c478bd9Sstevel@tonic-gate } 18797c478bd9Sstevel@tonic-gate } 18807c478bd9Sstevel@tonic-gate 18817c478bd9Sstevel@tonic-gate if (defer) 18827c478bd9Sstevel@tonic-gate cache_deferred_minor(dep, node, minor); 18837c478bd9Sstevel@tonic-gate } 18847c478bd9Sstevel@tonic-gate 18857c478bd9Sstevel@tonic-gate 18867c478bd9Sstevel@tonic-gate /* 18877c478bd9Sstevel@tonic-gate * Cache node and minor in defer list. 18887c478bd9Sstevel@tonic-gate */ 18897c478bd9Sstevel@tonic-gate static void 18907c478bd9Sstevel@tonic-gate cache_deferred_minor( 18917c478bd9Sstevel@tonic-gate struct mlist *dep, 18927c478bd9Sstevel@tonic-gate di_node_t node, 18937c478bd9Sstevel@tonic-gate di_minor_t minor) 18947c478bd9Sstevel@tonic-gate { 18957c478bd9Sstevel@tonic-gate struct minor *mp; 18967c478bd9Sstevel@tonic-gate const char *fcn = "cache_deferred_minor"; 18977c478bd9Sstevel@tonic-gate 18987c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s node=%s, minor=%s\n", fcn, 18997c478bd9Sstevel@tonic-gate di_node_name(node), di_minor_name(minor)); 19007c478bd9Sstevel@tonic-gate 19017c478bd9Sstevel@tonic-gate if (dep == NULL) { 19027c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: cannot cache during " 19037c478bd9Sstevel@tonic-gate "deferred processing. Ignoring minor\n", fcn); 19047c478bd9Sstevel@tonic-gate return; 19057c478bd9Sstevel@tonic-gate } 19067c478bd9Sstevel@tonic-gate 19077c478bd9Sstevel@tonic-gate mp = (struct minor *)s_zalloc(sizeof (struct minor)); 19087c478bd9Sstevel@tonic-gate mp->node = node; 19097c478bd9Sstevel@tonic-gate mp->minor = minor; 19107c478bd9Sstevel@tonic-gate mp->next = NULL; 19117c478bd9Sstevel@tonic-gate 19127c478bd9Sstevel@tonic-gate assert(dep->head == NULL || dep->tail != NULL); 19137c478bd9Sstevel@tonic-gate if (dep->head == NULL) { 19147c478bd9Sstevel@tonic-gate dep->head = mp; 19157c478bd9Sstevel@tonic-gate } else { 19167c478bd9Sstevel@tonic-gate dep->tail->next = mp; 19177c478bd9Sstevel@tonic-gate } 19187c478bd9Sstevel@tonic-gate dep->tail = mp; 19197c478bd9Sstevel@tonic-gate } 19207c478bd9Sstevel@tonic-gate 19217c478bd9Sstevel@tonic-gate /* 19227c478bd9Sstevel@tonic-gate * Check to see if "create" link creation rule matches this node/minor. 19237c478bd9Sstevel@tonic-gate * If it does, return TRUE. 19247c478bd9Sstevel@tonic-gate */ 19257c478bd9Sstevel@tonic-gate static int 19267c478bd9Sstevel@tonic-gate minor_matches_rule(di_node_t node, di_minor_t minor, create_list_t *create) 19277c478bd9Sstevel@tonic-gate { 19287c478bd9Sstevel@tonic-gate char *m_nodetype, *m_drvname; 19297c478bd9Sstevel@tonic-gate 19307c478bd9Sstevel@tonic-gate if (create->create->node_type != NULL) { 19317c478bd9Sstevel@tonic-gate 19327c478bd9Sstevel@tonic-gate m_nodetype = di_minor_nodetype(minor); 19337c478bd9Sstevel@tonic-gate assert(m_nodetype != NULL); 19347c478bd9Sstevel@tonic-gate 19357c478bd9Sstevel@tonic-gate switch (create->create->flags & TYPE_MASK) { 19367c478bd9Sstevel@tonic-gate case TYPE_EXACT: 19377c478bd9Sstevel@tonic-gate if (strcmp(create->create->node_type, m_nodetype) != 19387c478bd9Sstevel@tonic-gate 0) { 19397c478bd9Sstevel@tonic-gate return (FALSE); 19407c478bd9Sstevel@tonic-gate } 19417c478bd9Sstevel@tonic-gate break; 19427c478bd9Sstevel@tonic-gate case TYPE_PARTIAL: 19437c478bd9Sstevel@tonic-gate if (strncmp(create->create->node_type, m_nodetype, 19447c478bd9Sstevel@tonic-gate strlen(create->create->node_type)) != 0) { 19457c478bd9Sstevel@tonic-gate return (FALSE); 19467c478bd9Sstevel@tonic-gate } 19477c478bd9Sstevel@tonic-gate break; 19487c478bd9Sstevel@tonic-gate case TYPE_RE: 19497c478bd9Sstevel@tonic-gate if (regexec(&(create->node_type_comp), m_nodetype, 19507c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 19517c478bd9Sstevel@tonic-gate return (FALSE); 19527c478bd9Sstevel@tonic-gate } 19537c478bd9Sstevel@tonic-gate break; 19547c478bd9Sstevel@tonic-gate } 19557c478bd9Sstevel@tonic-gate } 19567c478bd9Sstevel@tonic-gate 19577c478bd9Sstevel@tonic-gate if (create->create->drv_name != NULL) { 19587c478bd9Sstevel@tonic-gate m_drvname = di_driver_name(node); 19597c478bd9Sstevel@tonic-gate switch (create->create->flags & DRV_MASK) { 19607c478bd9Sstevel@tonic-gate case DRV_EXACT: 19617c478bd9Sstevel@tonic-gate if (strcmp(create->create->drv_name, m_drvname) != 0) { 19627c478bd9Sstevel@tonic-gate return (FALSE); 19637c478bd9Sstevel@tonic-gate } 19647c478bd9Sstevel@tonic-gate break; 19657c478bd9Sstevel@tonic-gate case DRV_RE: 19667c478bd9Sstevel@tonic-gate if (regexec(&(create->drv_name_comp), m_drvname, 19677c478bd9Sstevel@tonic-gate 0, NULL, 0) != 0) { 19687c478bd9Sstevel@tonic-gate return (FALSE); 19697c478bd9Sstevel@tonic-gate } 19707c478bd9Sstevel@tonic-gate break; 19717c478bd9Sstevel@tonic-gate } 19727c478bd9Sstevel@tonic-gate } 19737c478bd9Sstevel@tonic-gate 19747c478bd9Sstevel@tonic-gate return (TRUE); 19757c478bd9Sstevel@tonic-gate } 19767c478bd9Sstevel@tonic-gate 19777c478bd9Sstevel@tonic-gate /* 19787c478bd9Sstevel@tonic-gate * If no classes were given on the command line, then return DEVFSADM_SUCCESS. 19797c478bd9Sstevel@tonic-gate * Otherwise, return DEVFSADM_SUCCESS if the device "class" from the module 19807c478bd9Sstevel@tonic-gate * matches one of the device classes given on the command line, 19817c478bd9Sstevel@tonic-gate * otherwise, return DEVFSADM_FAILURE. 19827c478bd9Sstevel@tonic-gate */ 19837c478bd9Sstevel@tonic-gate static int 19847c478bd9Sstevel@tonic-gate class_ok(char *class) 19857c478bd9Sstevel@tonic-gate { 19867c478bd9Sstevel@tonic-gate int i; 19877c478bd9Sstevel@tonic-gate 19887c478bd9Sstevel@tonic-gate if (num_classes == 0) { 19897c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 19907c478bd9Sstevel@tonic-gate } 19917c478bd9Sstevel@tonic-gate 19927c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 19937c478bd9Sstevel@tonic-gate if (strcmp(class, classes[i]) == 0) { 19947c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 19957c478bd9Sstevel@tonic-gate } 19967c478bd9Sstevel@tonic-gate } 19977c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 19987c478bd9Sstevel@tonic-gate } 19997c478bd9Sstevel@tonic-gate 20007c478bd9Sstevel@tonic-gate /* 20017c478bd9Sstevel@tonic-gate * call minor_fini on active modules, then unload ALL modules 20027c478bd9Sstevel@tonic-gate */ 20037c478bd9Sstevel@tonic-gate static void 20047c478bd9Sstevel@tonic-gate unload_modules(void) 20057c478bd9Sstevel@tonic-gate { 20067c478bd9Sstevel@tonic-gate module_t *module_free; 20077c478bd9Sstevel@tonic-gate create_list_t *create_free; 20087c478bd9Sstevel@tonic-gate remove_list_t *remove_free; 20097c478bd9Sstevel@tonic-gate 20107c478bd9Sstevel@tonic-gate while (create_head != NULL) { 20117c478bd9Sstevel@tonic-gate create_free = create_head; 20127c478bd9Sstevel@tonic-gate create_head = create_head->next; 20137c478bd9Sstevel@tonic-gate 20147c478bd9Sstevel@tonic-gate if ((create_free->create->flags & TYPE_RE) == TYPE_RE) { 20157c478bd9Sstevel@tonic-gate regfree(&(create_free->node_type_comp)); 20167c478bd9Sstevel@tonic-gate } 20177c478bd9Sstevel@tonic-gate if ((create_free->create->flags & DRV_RE) == DRV_RE) { 20187c478bd9Sstevel@tonic-gate regfree(&(create_free->drv_name_comp)); 20197c478bd9Sstevel@tonic-gate } 20207c478bd9Sstevel@tonic-gate free(create_free); 20217c478bd9Sstevel@tonic-gate } 20227c478bd9Sstevel@tonic-gate 20237c478bd9Sstevel@tonic-gate while (remove_head != NULL) { 20247c478bd9Sstevel@tonic-gate remove_free = remove_head; 20257c478bd9Sstevel@tonic-gate remove_head = remove_head->next; 20267c478bd9Sstevel@tonic-gate free(remove_free); 20277c478bd9Sstevel@tonic-gate } 20287c478bd9Sstevel@tonic-gate 20297c478bd9Sstevel@tonic-gate while (module_head != NULL) { 20307c478bd9Sstevel@tonic-gate 20317c478bd9Sstevel@tonic-gate if ((module_head->minor_fini != NULL) && 20327c478bd9Sstevel@tonic-gate ((module_head->flags & MODULE_ACTIVE) == MODULE_ACTIVE)) { 20337c478bd9Sstevel@tonic-gate (void) (*(module_head->minor_fini))(); 20347c478bd9Sstevel@tonic-gate } 20357c478bd9Sstevel@tonic-gate 20367c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "unloading module %s\n", module_head->name); 20377c478bd9Sstevel@tonic-gate free(module_head->name); 20387c478bd9Sstevel@tonic-gate (void) dlclose(module_head->dlhandle); 20397c478bd9Sstevel@tonic-gate 20407c478bd9Sstevel@tonic-gate module_free = module_head; 20417c478bd9Sstevel@tonic-gate module_head = module_head->next; 20427c478bd9Sstevel@tonic-gate free(module_free); 20437c478bd9Sstevel@tonic-gate } 20447c478bd9Sstevel@tonic-gate } 20457c478bd9Sstevel@tonic-gate 20467c478bd9Sstevel@tonic-gate /* 20477c478bd9Sstevel@tonic-gate * Load devfsadm logical link processing modules. 20487c478bd9Sstevel@tonic-gate */ 20497c478bd9Sstevel@tonic-gate static void 20507c478bd9Sstevel@tonic-gate load_modules(void) 20517c478bd9Sstevel@tonic-gate { 20527c478bd9Sstevel@tonic-gate DIR *mod_dir; 20534bc0a2efScasper struct dirent *entp; 20547c478bd9Sstevel@tonic-gate char cdir[PATH_MAX + 1]; 20557c478bd9Sstevel@tonic-gate char *last; 20567c478bd9Sstevel@tonic-gate char *mdir = module_dirs; 20577c478bd9Sstevel@tonic-gate char *fcn = "load_modules: "; 20587c478bd9Sstevel@tonic-gate 20597c478bd9Sstevel@tonic-gate while (*mdir != '\0') { 20607c478bd9Sstevel@tonic-gate 20617c478bd9Sstevel@tonic-gate while (*mdir == ':') { 20627c478bd9Sstevel@tonic-gate mdir++; 20637c478bd9Sstevel@tonic-gate } 20647c478bd9Sstevel@tonic-gate 20657c478bd9Sstevel@tonic-gate if (*mdir == '\0') { 20667c478bd9Sstevel@tonic-gate continue; 20677c478bd9Sstevel@tonic-gate } 20687c478bd9Sstevel@tonic-gate 20697c478bd9Sstevel@tonic-gate last = strchr(mdir, ':'); 20707c478bd9Sstevel@tonic-gate 20717c478bd9Sstevel@tonic-gate if (last == NULL) { 20727c478bd9Sstevel@tonic-gate last = mdir + strlen(mdir); 20737c478bd9Sstevel@tonic-gate } 20747c478bd9Sstevel@tonic-gate 20757c478bd9Sstevel@tonic-gate (void) strncpy(cdir, mdir, last - mdir); 20767c478bd9Sstevel@tonic-gate cdir[last - mdir] = '\0'; 20777c478bd9Sstevel@tonic-gate mdir += strlen(cdir); 20787c478bd9Sstevel@tonic-gate 20797c478bd9Sstevel@tonic-gate if ((mod_dir = opendir(cdir)) == NULL) { 20807c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sopendir(%s): %s\n", 20817c478bd9Sstevel@tonic-gate fcn, cdir, strerror(errno)); 20827c478bd9Sstevel@tonic-gate continue; 20837c478bd9Sstevel@tonic-gate } 20847c478bd9Sstevel@tonic-gate 20854bc0a2efScasper while ((entp = readdir(mod_dir)) != NULL) { 20867c478bd9Sstevel@tonic-gate 20877c478bd9Sstevel@tonic-gate if ((strcmp(entp->d_name, ".") == 0) || 20887c478bd9Sstevel@tonic-gate (strcmp(entp->d_name, "..") == 0)) { 20897c478bd9Sstevel@tonic-gate continue; 20907c478bd9Sstevel@tonic-gate } 20917c478bd9Sstevel@tonic-gate 20927c478bd9Sstevel@tonic-gate load_module(entp->d_name, cdir); 20937c478bd9Sstevel@tonic-gate } 20947c478bd9Sstevel@tonic-gate s_closedir(mod_dir); 20957c478bd9Sstevel@tonic-gate } 20967c478bd9Sstevel@tonic-gate } 20977c478bd9Sstevel@tonic-gate 20987c478bd9Sstevel@tonic-gate static void 20997c478bd9Sstevel@tonic-gate load_module(char *mname, char *cdir) 21007c478bd9Sstevel@tonic-gate { 21017c478bd9Sstevel@tonic-gate _devfsadm_create_reg_t *create_reg; 2102aa646b9dSvikram _devfsadm_remove_reg_V1_t *remove_reg; 21037c478bd9Sstevel@tonic-gate create_list_t *create_list_element; 21047c478bd9Sstevel@tonic-gate create_list_t **create_list_next; 21057c478bd9Sstevel@tonic-gate remove_list_t *remove_list_element; 21067c478bd9Sstevel@tonic-gate remove_list_t **remove_list_next; 21077c478bd9Sstevel@tonic-gate char epath[PATH_MAX + 1], *end; 21087c478bd9Sstevel@tonic-gate char *fcn = "load_module: "; 21097c478bd9Sstevel@tonic-gate char *dlerrstr; 21107c478bd9Sstevel@tonic-gate void *dlhandle; 21117c478bd9Sstevel@tonic-gate module_t *module; 2112aa646b9dSvikram int flags; 21137c478bd9Sstevel@tonic-gate int n; 21147c478bd9Sstevel@tonic-gate int i; 21157c478bd9Sstevel@tonic-gate 21167c478bd9Sstevel@tonic-gate /* ignore any file which does not end in '.so' */ 21177c478bd9Sstevel@tonic-gate if ((end = strstr(mname, MODULE_SUFFIX)) != NULL) { 21187c478bd9Sstevel@tonic-gate if (end[strlen(MODULE_SUFFIX)] != '\0') { 21197c478bd9Sstevel@tonic-gate return; 21207c478bd9Sstevel@tonic-gate } 21217c478bd9Sstevel@tonic-gate } else { 21227c478bd9Sstevel@tonic-gate return; 21237c478bd9Sstevel@tonic-gate } 21247c478bd9Sstevel@tonic-gate 21257c478bd9Sstevel@tonic-gate (void) snprintf(epath, sizeof (epath), "%s/%s", cdir, mname); 21267c478bd9Sstevel@tonic-gate 21277c478bd9Sstevel@tonic-gate if ((dlhandle = dlopen(epath, RTLD_LAZY)) == NULL) { 21287c478bd9Sstevel@tonic-gate dlerrstr = dlerror(); 21297c478bd9Sstevel@tonic-gate err_print(DLOPEN_FAILED, epath, 21307c478bd9Sstevel@tonic-gate dlerrstr ? dlerrstr : "unknown error"); 21317c478bd9Sstevel@tonic-gate return; 21327c478bd9Sstevel@tonic-gate } 21337c478bd9Sstevel@tonic-gate 21347c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_create_reg structure */ 21357c478bd9Sstevel@tonic-gate if (NULL == (create_reg = (_devfsadm_create_reg_t *) 21367c478bd9Sstevel@tonic-gate dlsym(dlhandle, _DEVFSADM_CREATE_REG))) { 21377c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): symbol not found\n", epath, 21387c478bd9Sstevel@tonic-gate _DEVFSADM_CREATE_REG); 21397c478bd9Sstevel@tonic-gate } else { 21407c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "%sdlsym(%s, %s) succeeded\n", 21417c478bd9Sstevel@tonic-gate fcn, epath, _DEVFSADM_CREATE_REG); 21427c478bd9Sstevel@tonic-gate } 21437c478bd9Sstevel@tonic-gate 21447c478bd9Sstevel@tonic-gate /* dlsym the _devfsadm_remove_reg structure */ 2145aa646b9dSvikram if (NULL == (remove_reg = (_devfsadm_remove_reg_V1_t *) 21467c478bd9Sstevel@tonic-gate dlsym(dlhandle, _DEVFSADM_REMOVE_REG))) { 21477c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s,\n\t%s): symbol not found\n", 21487c478bd9Sstevel@tonic-gate epath, _DEVFSADM_REMOVE_REG); 21497c478bd9Sstevel@tonic-gate } else { 21507c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "dlsym(%s, %s): succeeded\n", 21517c478bd9Sstevel@tonic-gate epath, _DEVFSADM_REMOVE_REG); 21527c478bd9Sstevel@tonic-gate } 21537c478bd9Sstevel@tonic-gate 21547c478bd9Sstevel@tonic-gate vprint(MODLOAD_MID, "module %s loaded\n", epath); 21557c478bd9Sstevel@tonic-gate 21567c478bd9Sstevel@tonic-gate module = (module_t *)s_malloc(sizeof (module_t)); 21577c478bd9Sstevel@tonic-gate module->name = s_strdup(epath); 21587c478bd9Sstevel@tonic-gate module->dlhandle = dlhandle; 21597c478bd9Sstevel@tonic-gate 21607c478bd9Sstevel@tonic-gate /* dlsym other module functions, to be called later */ 21617c478bd9Sstevel@tonic-gate module->minor_fini = (int (*)())dlsym(dlhandle, MINOR_FINI); 21627c478bd9Sstevel@tonic-gate module->minor_init = (int (*)())dlsym(dlhandle, MINOR_INIT); 21637c478bd9Sstevel@tonic-gate module->flags = 0; 21647c478bd9Sstevel@tonic-gate 21657c478bd9Sstevel@tonic-gate /* 21667c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_create on "create_head" 21677c478bd9Sstevel@tonic-gate * list sorted in interpose_lvl. 21687c478bd9Sstevel@tonic-gate */ 21697c478bd9Sstevel@tonic-gate if (create_reg != NULL) { 21707c478bd9Sstevel@tonic-gate for (i = 0; i < create_reg->count; i++) { 21717c478bd9Sstevel@tonic-gate int flags = create_reg->tblp[i].flags; 21727c478bd9Sstevel@tonic-gate 21737c478bd9Sstevel@tonic-gate create_list_element = (create_list_t *) 21747c478bd9Sstevel@tonic-gate s_malloc(sizeof (create_list_t)); 21757c478bd9Sstevel@tonic-gate 21767c478bd9Sstevel@tonic-gate create_list_element->create = &(create_reg->tblp[i]); 21777c478bd9Sstevel@tonic-gate create_list_element->modptr = module; 21787c478bd9Sstevel@tonic-gate 21797c478bd9Sstevel@tonic-gate if (((flags & CREATE_MASK) != 0) && 21807c478bd9Sstevel@tonic-gate ((flags & CREATE_MASK) != CREATE_DEFER)) { 21817c478bd9Sstevel@tonic-gate free(create_list_element); 21827c478bd9Sstevel@tonic-gate err_print("illegal flag combination in " 21837c478bd9Sstevel@tonic-gate "module create\n"); 21847c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21857c478bd9Sstevel@tonic-gate continue; 21867c478bd9Sstevel@tonic-gate } 21877c478bd9Sstevel@tonic-gate 21887c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) == 0) ^ 21897c478bd9Sstevel@tonic-gate (create_reg->tblp[i].node_type == NULL)) { 21907c478bd9Sstevel@tonic-gate free(create_list_element); 21917c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 21927c478bd9Sstevel@tonic-gate "node_type value in module create\n"); 21937c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 21947c478bd9Sstevel@tonic-gate continue; 21957c478bd9Sstevel@tonic-gate } 21967c478bd9Sstevel@tonic-gate 21977c478bd9Sstevel@tonic-gate if (((flags & TYPE_MASK) != 0) && 21987c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_EXACT) && 21997c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_RE) && 22007c478bd9Sstevel@tonic-gate ((flags & TYPE_MASK) != TYPE_PARTIAL)) { 22017c478bd9Sstevel@tonic-gate free(create_list_element); 22027c478bd9Sstevel@tonic-gate err_print("illegal TYPE_* flag combination in " 22037c478bd9Sstevel@tonic-gate "module create\n"); 22047c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22057c478bd9Sstevel@tonic-gate continue; 22067c478bd9Sstevel@tonic-gate } 22077c478bd9Sstevel@tonic-gate 22087c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 22097c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 22107c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 22117c478bd9Sstevel@tonic-gate node_type_comp), 22127c478bd9Sstevel@tonic-gate create_reg->tblp[i].node_type, 22137c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 22147c478bd9Sstevel@tonic-gate free(create_list_element); 22157c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 22167c478bd9Sstevel@tonic-gate create_reg->tblp[i].node_type, 22177c478bd9Sstevel@tonic-gate n); 22187c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22197c478bd9Sstevel@tonic-gate continue; 22207c478bd9Sstevel@tonic-gate } 22217c478bd9Sstevel@tonic-gate } 22227c478bd9Sstevel@tonic-gate 22237c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) == 0) ^ 22247c478bd9Sstevel@tonic-gate (create_reg->tblp[i].drv_name == NULL)) { 22257c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 22267c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 22277c478bd9Sstevel@tonic-gate node_type_comp)); 22287c478bd9Sstevel@tonic-gate } 22297c478bd9Sstevel@tonic-gate free(create_list_element); 22307c478bd9Sstevel@tonic-gate err_print("flags value incompatible with " 22317c478bd9Sstevel@tonic-gate "drv_name value in module create\n"); 22327c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22337c478bd9Sstevel@tonic-gate continue; 22347c478bd9Sstevel@tonic-gate } 22357c478bd9Sstevel@tonic-gate 22367c478bd9Sstevel@tonic-gate if (((flags & DRV_MASK) != 0) && 22377c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_EXACT) && 22387c478bd9Sstevel@tonic-gate ((flags & DRV_MASK) != DRV_RE)) { 22397c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 22407c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 22417c478bd9Sstevel@tonic-gate node_type_comp)); 22427c478bd9Sstevel@tonic-gate } 22437c478bd9Sstevel@tonic-gate free(create_list_element); 22447c478bd9Sstevel@tonic-gate err_print("illegal DRV_* flag combination in " 22457c478bd9Sstevel@tonic-gate "module create\n"); 22467c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22477c478bd9Sstevel@tonic-gate continue; 22487c478bd9Sstevel@tonic-gate } 22497c478bd9Sstevel@tonic-gate 22507c478bd9Sstevel@tonic-gate /* precompile regular expression for efficiency */ 22517c478bd9Sstevel@tonic-gate if ((create_reg->tblp[i].flags & DRV_RE) == DRV_RE) { 22527c478bd9Sstevel@tonic-gate if ((n = regcomp(&(create_list_element-> 22537c478bd9Sstevel@tonic-gate drv_name_comp), 22547c478bd9Sstevel@tonic-gate create_reg->tblp[i].drv_name, 22557c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 22567c478bd9Sstevel@tonic-gate if ((flags & TYPE_RE) == TYPE_RE) { 22577c478bd9Sstevel@tonic-gate regfree(&(create_list_element-> 22587c478bd9Sstevel@tonic-gate node_type_comp)); 22597c478bd9Sstevel@tonic-gate } 22607c478bd9Sstevel@tonic-gate free(create_list_element); 22617c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 22627c478bd9Sstevel@tonic-gate create_reg->tblp[i].drv_name, 22637c478bd9Sstevel@tonic-gate n); 22647c478bd9Sstevel@tonic-gate err_print(IGNORING_ENTRY, i, epath); 22657c478bd9Sstevel@tonic-gate continue; 22667c478bd9Sstevel@tonic-gate } 22677c478bd9Sstevel@tonic-gate } 22687c478bd9Sstevel@tonic-gate 22697c478bd9Sstevel@tonic-gate 22707c478bd9Sstevel@tonic-gate /* add to list sorted by interpose level */ 22717c478bd9Sstevel@tonic-gate for (create_list_next = &(create_head); 22727c478bd9Sstevel@tonic-gate (*create_list_next != NULL) && 22737c478bd9Sstevel@tonic-gate (*create_list_next)->create->interpose_lvl >= 22747c478bd9Sstevel@tonic-gate create_list_element->create->interpose_lvl; 22757c478bd9Sstevel@tonic-gate create_list_next = 22767c478bd9Sstevel@tonic-gate &((*create_list_next)->next)); 22777c478bd9Sstevel@tonic-gate create_list_element->next = *create_list_next; 22787c478bd9Sstevel@tonic-gate *create_list_next = create_list_element; 22797c478bd9Sstevel@tonic-gate } 22807c478bd9Sstevel@tonic-gate } 22817c478bd9Sstevel@tonic-gate 22827c478bd9Sstevel@tonic-gate /* 22837c478bd9Sstevel@tonic-gate * put a ptr to each struct devfsadm_remove on "remove_head" 22847c478bd9Sstevel@tonic-gate * list sorted by interpose_lvl. 22857c478bd9Sstevel@tonic-gate */ 2286aa646b9dSvikram flags = 0; 22877c478bd9Sstevel@tonic-gate if (remove_reg != NULL) { 2288aa646b9dSvikram if (remove_reg->version < DEVFSADM_V1) 2289aa646b9dSvikram flags |= RM_NOINTERPOSE; 22907c478bd9Sstevel@tonic-gate for (i = 0; i < remove_reg->count; i++) { 22917c478bd9Sstevel@tonic-gate 22927c478bd9Sstevel@tonic-gate remove_list_element = (remove_list_t *) 22937c478bd9Sstevel@tonic-gate s_malloc(sizeof (remove_list_t)); 22947c478bd9Sstevel@tonic-gate 22957c478bd9Sstevel@tonic-gate remove_list_element->remove = &(remove_reg->tblp[i]); 2296aa646b9dSvikram remove_list_element->remove->flags |= flags; 22977c478bd9Sstevel@tonic-gate remove_list_element->modptr = module; 22987c478bd9Sstevel@tonic-gate 22997c478bd9Sstevel@tonic-gate for (remove_list_next = &(remove_head); 23007c478bd9Sstevel@tonic-gate (*remove_list_next != NULL) && 23017c478bd9Sstevel@tonic-gate (*remove_list_next)->remove->interpose_lvl >= 23027c478bd9Sstevel@tonic-gate remove_list_element->remove->interpose_lvl; 23037c478bd9Sstevel@tonic-gate remove_list_next = 23047c478bd9Sstevel@tonic-gate &((*remove_list_next)->next)); 23057c478bd9Sstevel@tonic-gate remove_list_element->next = *remove_list_next; 23067c478bd9Sstevel@tonic-gate *remove_list_next = remove_list_element; 23077c478bd9Sstevel@tonic-gate } 23087c478bd9Sstevel@tonic-gate } 23097c478bd9Sstevel@tonic-gate 23107c478bd9Sstevel@tonic-gate module->next = module_head; 23117c478bd9Sstevel@tonic-gate module_head = module; 23127c478bd9Sstevel@tonic-gate } 23137c478bd9Sstevel@tonic-gate 23147c478bd9Sstevel@tonic-gate /* 2315ff2aee48Scth * After we have completed a CACHE_STATE, if a SYNC_STATE does not occur 2316ff2aee48Scth * within 'timeout' secs the minor_fini_thread needs to do a SYNC_STATE 2317ff2aee48Scth * so that we still call the minor_fini routines. 23187c478bd9Sstevel@tonic-gate */ 23197c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 23207c478bd9Sstevel@tonic-gate static void 2321ff2aee48Scth minor_fini_thread(void *arg) 23227c478bd9Sstevel@tonic-gate { 2323ff2aee48Scth timestruc_t abstime; 23247c478bd9Sstevel@tonic-gate 2325ff2aee48Scth vprint(INITFINI_MID, "minor_fini_thread starting\n"); 23267c478bd9Sstevel@tonic-gate 2327ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 2328ff2aee48Scth for (;;) { 2329ff2aee48Scth /* wait the gather period, or until signaled */ 2330ff2aee48Scth abstime.tv_sec = time(NULL) + minor_fini_timeout; 2331ff2aee48Scth abstime.tv_nsec = 0; 2332ff2aee48Scth (void) cond_timedwait(&minor_fini_cv, 2333ff2aee48Scth &minor_fini_mutex, &abstime); 2334ff2aee48Scth 2335ff2aee48Scth /* if minor_fini was canceled, go wait again */ 2336ff2aee48Scth if (minor_fini_canceled == TRUE) 2337ff2aee48Scth continue; 23387c478bd9Sstevel@tonic-gate 2339ff2aee48Scth /* if minor_fini was delayed, go wait again */ 2340ff2aee48Scth if (minor_fini_delayed == TRUE) { 2341ff2aee48Scth minor_fini_delayed = FALSE; 2342ff2aee48Scth continue; 2343ff2aee48Scth } 23447c478bd9Sstevel@tonic-gate 2345ff2aee48Scth /* done with cancellations and delays, do the SYNC_STATE */ 23467c478bd9Sstevel@tonic-gate (void) mutex_unlock(&minor_fini_mutex); 23477c478bd9Sstevel@tonic-gate 2348ff2aee48Scth lock_dev(); 2349ff2aee48Scth unlock_dev(SYNC_STATE); 2350ff2aee48Scth vprint(INITFINI_MID, "minor_fini sync done\n"); 23517c478bd9Sstevel@tonic-gate 2352ff2aee48Scth (void) mutex_lock(&minor_fini_mutex); 2353ff2aee48Scth } 23547c478bd9Sstevel@tonic-gate } 23557c478bd9Sstevel@tonic-gate 2356ff2aee48Scth 23577c478bd9Sstevel@tonic-gate /* 23587c478bd9Sstevel@tonic-gate * Attempt to initialize module, if a minor_init routine exists. Set 23597c478bd9Sstevel@tonic-gate * the active flag if the routine exists and succeeds. If it doesn't 23607c478bd9Sstevel@tonic-gate * exist, just set the active flag. 23617c478bd9Sstevel@tonic-gate */ 23627c478bd9Sstevel@tonic-gate static int 23637c478bd9Sstevel@tonic-gate call_minor_init(module_t *module) 23647c478bd9Sstevel@tonic-gate { 23657c478bd9Sstevel@tonic-gate char *fcn = "call_minor_init: "; 23667c478bd9Sstevel@tonic-gate 23677c478bd9Sstevel@tonic-gate if ((module->flags & MODULE_ACTIVE) == MODULE_ACTIVE) { 23687c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 23697c478bd9Sstevel@tonic-gate } 23707c478bd9Sstevel@tonic-gate 23717c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "%smodule %s. current state: inactive\n", 23727c478bd9Sstevel@tonic-gate fcn, module->name); 23737c478bd9Sstevel@tonic-gate 23747c478bd9Sstevel@tonic-gate if (module->minor_init == NULL) { 23757c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 23767c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init not defined\n"); 23777c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 23787c478bd9Sstevel@tonic-gate } 23797c478bd9Sstevel@tonic-gate 23807c478bd9Sstevel@tonic-gate if ((*(module->minor_init))() == DEVFSADM_FAILURE) { 23817c478bd9Sstevel@tonic-gate err_print(FAILED_FOR_MODULE, MINOR_INIT, module->name); 23827c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 23837c478bd9Sstevel@tonic-gate } 23847c478bd9Sstevel@tonic-gate 23857c478bd9Sstevel@tonic-gate vprint(INITFINI_MID, "minor_init() returns DEVFSADM_SUCCESS. " 23867c478bd9Sstevel@tonic-gate "new state: active\n"); 23877c478bd9Sstevel@tonic-gate 23887c478bd9Sstevel@tonic-gate module->flags |= MODULE_ACTIVE; 23897c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 23907c478bd9Sstevel@tonic-gate } 23917c478bd9Sstevel@tonic-gate 23927c478bd9Sstevel@tonic-gate /* 23937c478bd9Sstevel@tonic-gate * Creates a symlink 'link' to the physical path of node:minor. 23947c478bd9Sstevel@tonic-gate * Construct link contents, then call create_link_common(). 23957c478bd9Sstevel@tonic-gate */ 23967c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 23977c478bd9Sstevel@tonic-gate int 2398facf4a8dSllai devfsadm_mklink(char *link, di_node_t node, di_minor_t minor, int flags) 23997c478bd9Sstevel@tonic-gate { 24007c478bd9Sstevel@tonic-gate char rcontents[PATH_MAX]; 24017c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 24027c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX]; 24037c478bd9Sstevel@tonic-gate char *acontents; 24047c478bd9Sstevel@tonic-gate char *dev_path; 24057c478bd9Sstevel@tonic-gate int numslashes; 24067c478bd9Sstevel@tonic-gate int rv; 24077c478bd9Sstevel@tonic-gate int i, link_exists; 24087c478bd9Sstevel@tonic-gate int last_was_slash = FALSE; 24097c478bd9Sstevel@tonic-gate 24107c478bd9Sstevel@tonic-gate /* 24117c478bd9Sstevel@tonic-gate * try to use devices path 24127c478bd9Sstevel@tonic-gate */ 24137c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 24147c478bd9Sstevel@tonic-gate acontents = lphy_path; 24157c478bd9Sstevel@tonic-gate } else if (di_minor_type(minor) == DDM_ALIAS) { 24167c478bd9Sstevel@tonic-gate /* use /pseudo/clone@0:<driver> as the phys path */ 24177c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), 24187c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", 24197c478bd9Sstevel@tonic-gate di_driver_name(di_minor_devinfo(minor))); 24207c478bd9Sstevel@tonic-gate acontents = phy_path; 24217c478bd9Sstevel@tonic-gate } else { 24227c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 24237c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 24247c478bd9Sstevel@tonic-gate devfsadm_exit(1); 24257c478bd9Sstevel@tonic-gate } 24267c478bd9Sstevel@tonic-gate (void) snprintf(phy_path, sizeof (phy_path), "%s:%s", 24277c478bd9Sstevel@tonic-gate dev_path, di_minor_name(minor)); 24287c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 24297c478bd9Sstevel@tonic-gate acontents = phy_path; 24307c478bd9Sstevel@tonic-gate } 24317c478bd9Sstevel@tonic-gate 24327c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 24337c478bd9Sstevel@tonic-gate (void) strlcpy(devlink, dev_dir, sizeof (devlink)); 24347c478bd9Sstevel@tonic-gate (void) strlcat(devlink, "/", sizeof (devlink)); 24357c478bd9Sstevel@tonic-gate (void) strlcat(devlink, link, sizeof (devlink)); 24367c478bd9Sstevel@tonic-gate 24377c478bd9Sstevel@tonic-gate /* 24387c478bd9Sstevel@tonic-gate * Calculate # of ../ to add. Account for double '//' in path. 24397c478bd9Sstevel@tonic-gate * Ignore all leading slashes. 24407c478bd9Sstevel@tonic-gate */ 24417c478bd9Sstevel@tonic-gate for (i = 0; link[i] == '/'; i++) 24427c478bd9Sstevel@tonic-gate ; 24437c478bd9Sstevel@tonic-gate for (numslashes = 0; link[i] != '\0'; i++) { 24447c478bd9Sstevel@tonic-gate if (link[i] == '/') { 24457c478bd9Sstevel@tonic-gate if (last_was_slash == FALSE) { 24467c478bd9Sstevel@tonic-gate numslashes++; 24477c478bd9Sstevel@tonic-gate last_was_slash = TRUE; 24487c478bd9Sstevel@tonic-gate } 24497c478bd9Sstevel@tonic-gate } else { 24507c478bd9Sstevel@tonic-gate last_was_slash = FALSE; 24517c478bd9Sstevel@tonic-gate } 24527c478bd9Sstevel@tonic-gate } 24537c478bd9Sstevel@tonic-gate /* Don't count any trailing '/' */ 24547c478bd9Sstevel@tonic-gate if (link[i-1] == '/') { 24557c478bd9Sstevel@tonic-gate numslashes--; 24567c478bd9Sstevel@tonic-gate } 24577c478bd9Sstevel@tonic-gate 24587c478bd9Sstevel@tonic-gate rcontents[0] = '\0'; 24597c478bd9Sstevel@tonic-gate do { 24607c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "../", sizeof (rcontents)); 24617c478bd9Sstevel@tonic-gate } while (numslashes-- != 0); 24627c478bd9Sstevel@tonic-gate 24637c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, "devices", sizeof (rcontents)); 24647c478bd9Sstevel@tonic-gate (void) strlcat(rcontents, acontents, sizeof (rcontents)); 24657c478bd9Sstevel@tonic-gate 24667c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 24677c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding link %s ==> %s\n", devlink, rcontents); 24687c478bd9Sstevel@tonic-gate } 24697c478bd9Sstevel@tonic-gate 24707c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, rcontents, &link_exists)) 24717c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 24727c478bd9Sstevel@tonic-gate linknew = TRUE; 24737c478bd9Sstevel@tonic-gate add_link_to_cache(link, acontents); 24747c478bd9Sstevel@tonic-gate } else { 24757c478bd9Sstevel@tonic-gate linknew = FALSE; 24767c478bd9Sstevel@tonic-gate } 24777c478bd9Sstevel@tonic-gate 24787c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 24796e670f77Saj /* Link exists or was just created */ 24806e670f77Saj (void) di_devlink_add_link(devlink_cache, link, rcontents, 24816e670f77Saj DI_PRIMARY_LINK); 24826e670f77Saj 24836e670f77Saj if (system_labeled && (flags & DA_ADD)) { 248445916cd2Sjpk /* 24856e670f77Saj * Add this to the list of allocatable devices. If this 24866e670f77Saj * is a hotplugged, removable disk, add it as rmdisk. 248745916cd2Sjpk */ 24886e670f77Saj int instance = di_instance(node); 248945916cd2Sjpk 24906e670f77Saj if ((flags & DA_CD) && 24916e670f77Saj (_da_check_for_usb(devlink, root_dir) == 1)) { 249245916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, 249345916cd2Sjpk DA_ADD|DA_RMDISK); 249445916cd2Sjpk update_devdb = DA_RMDISK; 24956e670f77Saj } else if (linknew == TRUE) { 24966e670f77Saj (void) da_add_list(&devlist, devlink, instance, 24976e670f77Saj flags); 24986e670f77Saj update_devdb = flags; 249945916cd2Sjpk } 250045916cd2Sjpk } 25017c478bd9Sstevel@tonic-gate } 25027c478bd9Sstevel@tonic-gate 25037c478bd9Sstevel@tonic-gate return (rv); 25047c478bd9Sstevel@tonic-gate } 25057c478bd9Sstevel@tonic-gate 25067c478bd9Sstevel@tonic-gate /* 25077c478bd9Sstevel@tonic-gate * Creates a symlink link to primary_link. Calculates relative 25087c478bd9Sstevel@tonic-gate * directory offsets, then calls link_common(). 25097c478bd9Sstevel@tonic-gate */ 25107c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 25117c478bd9Sstevel@tonic-gate int 25127c478bd9Sstevel@tonic-gate devfsadm_secondary_link(char *link, char *primary_link, int flags) 25137c478bd9Sstevel@tonic-gate { 25147c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 25157c478bd9Sstevel@tonic-gate char devlink[PATH_MAX + 1]; 25167c478bd9Sstevel@tonic-gate int rv, link_exists; 25177c478bd9Sstevel@tonic-gate char *fpath; 25187c478bd9Sstevel@tonic-gate char *tpath; 25197c478bd9Sstevel@tonic-gate char *op; 25207c478bd9Sstevel@tonic-gate 25217c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 25227c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 25237c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 25247c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 25257c478bd9Sstevel@tonic-gate /* 25267c478bd9Sstevel@tonic-gate * building extra link, so use first link as link contents, but first 25277c478bd9Sstevel@tonic-gate * make it relative. 25287c478bd9Sstevel@tonic-gate */ 25297c478bd9Sstevel@tonic-gate fpath = link; 25307c478bd9Sstevel@tonic-gate tpath = primary_link; 25317c478bd9Sstevel@tonic-gate op = contents; 25327c478bd9Sstevel@tonic-gate 25337c478bd9Sstevel@tonic-gate while (*fpath == *tpath && *fpath != '\0') { 25347c478bd9Sstevel@tonic-gate fpath++, tpath++; 25357c478bd9Sstevel@tonic-gate } 25367c478bd9Sstevel@tonic-gate 25377c478bd9Sstevel@tonic-gate /* Count directories to go up, if any, and add "../" */ 25387c478bd9Sstevel@tonic-gate while (*fpath != '\0') { 25397c478bd9Sstevel@tonic-gate if (*fpath == '/') { 25407c478bd9Sstevel@tonic-gate (void) strcpy(op, "../"); 25417c478bd9Sstevel@tonic-gate op += 3; 25427c478bd9Sstevel@tonic-gate } 25437c478bd9Sstevel@tonic-gate fpath++; 25447c478bd9Sstevel@tonic-gate } 25457c478bd9Sstevel@tonic-gate 25467c478bd9Sstevel@tonic-gate /* 25477c478bd9Sstevel@tonic-gate * Back up to the start of the current path component, in 25487c478bd9Sstevel@tonic-gate * case in the middle 25497c478bd9Sstevel@tonic-gate */ 25507c478bd9Sstevel@tonic-gate while (tpath != primary_link && *(tpath-1) != '/') { 25517c478bd9Sstevel@tonic-gate tpath--; 25527c478bd9Sstevel@tonic-gate } 25537c478bd9Sstevel@tonic-gate (void) strcpy(op, tpath); 25547c478bd9Sstevel@tonic-gate 25557c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 25567c478bd9Sstevel@tonic-gate vprint(INFO_MID, "adding extra link %s ==> %s\n", 25577c478bd9Sstevel@tonic-gate devlink, contents); 25587c478bd9Sstevel@tonic-gate } 25597c478bd9Sstevel@tonic-gate 25607c478bd9Sstevel@tonic-gate if ((rv = create_link_common(devlink, contents, &link_exists)) 25617c478bd9Sstevel@tonic-gate == DEVFSADM_SUCCESS) { 25627c478bd9Sstevel@tonic-gate /* 25637c478bd9Sstevel@tonic-gate * we need to save the ultimate /devices contents, and not the 25647c478bd9Sstevel@tonic-gate * secondary link, since hotcleanup only looks at /devices path. 25657c478bd9Sstevel@tonic-gate * Since we don't have devices path here, we can try to get it 25667c478bd9Sstevel@tonic-gate * by readlink'ing the secondary link. This assumes the primary 25677c478bd9Sstevel@tonic-gate * link was created first. 25687c478bd9Sstevel@tonic-gate */ 25697c478bd9Sstevel@tonic-gate add_link_to_cache(link, lphy_path); 25707c478bd9Sstevel@tonic-gate linknew = TRUE; 257145916cd2Sjpk if (system_labeled && 257245916cd2Sjpk ((flags & DA_AUDIO) && (flags & DA_ADD))) { 257345916cd2Sjpk /* 257445916cd2Sjpk * Add this device to the list of allocatable devices. 257545916cd2Sjpk */ 257645916cd2Sjpk int instance = 0; 257745916cd2Sjpk 257845916cd2Sjpk op = strrchr(contents, '/'); 257945916cd2Sjpk op++; 258045916cd2Sjpk (void) sscanf(op, "%d", &instance); 258145916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, flags); 258245916cd2Sjpk update_devdb = flags; 258345916cd2Sjpk } 25847c478bd9Sstevel@tonic-gate } else { 25857c478bd9Sstevel@tonic-gate linknew = FALSE; 25867c478bd9Sstevel@tonic-gate } 25877c478bd9Sstevel@tonic-gate 25887c478bd9Sstevel@tonic-gate /* 25897c478bd9Sstevel@tonic-gate * If link exists or was just created, add it to the database 25907c478bd9Sstevel@tonic-gate */ 25917c478bd9Sstevel@tonic-gate if (link_exists == TRUE) { 25927c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, 25937c478bd9Sstevel@tonic-gate DI_SECONDARY_LINK); 25947c478bd9Sstevel@tonic-gate } 25957c478bd9Sstevel@tonic-gate 25967c478bd9Sstevel@tonic-gate return (rv); 25977c478bd9Sstevel@tonic-gate } 25987c478bd9Sstevel@tonic-gate 25997c478bd9Sstevel@tonic-gate /* returns pointer to the devices directory */ 26007c478bd9Sstevel@tonic-gate char * 26017c478bd9Sstevel@tonic-gate devfsadm_get_devices_dir() 26027c478bd9Sstevel@tonic-gate { 26037c478bd9Sstevel@tonic-gate return (devices_dir); 26047c478bd9Sstevel@tonic-gate } 26057c478bd9Sstevel@tonic-gate 26067c478bd9Sstevel@tonic-gate /* 26077c478bd9Sstevel@tonic-gate * Does the actual link creation. VERBOSE_MID only used if there is 26087c478bd9Sstevel@tonic-gate * a change. CHATTY_MID used otherwise. 26097c478bd9Sstevel@tonic-gate */ 26107c478bd9Sstevel@tonic-gate static int 26117c478bd9Sstevel@tonic-gate create_link_common(char *devlink, char *contents, int *exists) 26127c478bd9Sstevel@tonic-gate { 26137c478bd9Sstevel@tonic-gate int try; 26147c478bd9Sstevel@tonic-gate int linksize; 26157c478bd9Sstevel@tonic-gate int max_tries = 0; 26167c478bd9Sstevel@tonic-gate static int prev_link_existed = TRUE; 26177c478bd9Sstevel@tonic-gate char checkcontents[PATH_MAX + 1]; 26187c478bd9Sstevel@tonic-gate char *hide; 26197c478bd9Sstevel@tonic-gate 26207c478bd9Sstevel@tonic-gate *exists = FALSE; 26217c478bd9Sstevel@tonic-gate 26227c478bd9Sstevel@tonic-gate /* Database is not updated when file_mods == FALSE */ 26237c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 26247c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 26257c478bd9Sstevel@tonic-gate if (linksize > 0) { 26267c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 26277c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 26287c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, REMOVING_LINK, 26297c478bd9Sstevel@tonic-gate devlink, checkcontents); 26307c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26317c478bd9Sstevel@tonic-gate } else { 26327c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "link exists and is correct:" 26337c478bd9Sstevel@tonic-gate " %s -> %s\n", devlink, contents); 26347c478bd9Sstevel@tonic-gate /* failure only in that the link existed */ 26357c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 26367c478bd9Sstevel@tonic-gate } 26377c478bd9Sstevel@tonic-gate } else { 26387c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, contents); 26397c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26407c478bd9Sstevel@tonic-gate } 26417c478bd9Sstevel@tonic-gate } 26427c478bd9Sstevel@tonic-gate 26437c478bd9Sstevel@tonic-gate /* 26447c478bd9Sstevel@tonic-gate * systems calls are expensive, so predict whether to readlink 26457c478bd9Sstevel@tonic-gate * or symlink first, based on previous attempt 26467c478bd9Sstevel@tonic-gate */ 26477c478bd9Sstevel@tonic-gate if (prev_link_existed == FALSE) { 26487c478bd9Sstevel@tonic-gate try = CREATE_LINK; 26497c478bd9Sstevel@tonic-gate } else { 26507c478bd9Sstevel@tonic-gate try = READ_LINK; 26517c478bd9Sstevel@tonic-gate } 26527c478bd9Sstevel@tonic-gate 26537c478bd9Sstevel@tonic-gate while (++max_tries <= 3) { 26547c478bd9Sstevel@tonic-gate 26557c478bd9Sstevel@tonic-gate switch (try) { 26567c478bd9Sstevel@tonic-gate case CREATE_LINK: 26577c478bd9Sstevel@tonic-gate 26587c478bd9Sstevel@tonic-gate if (symlink(contents, devlink) == 0) { 26597c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CREATING_LINK, devlink, 26607c478bd9Sstevel@tonic-gate contents); 26617c478bd9Sstevel@tonic-gate prev_link_existed = FALSE; 26627c478bd9Sstevel@tonic-gate /* link successfully created */ 26637c478bd9Sstevel@tonic-gate *exists = TRUE; 26647c478bd9Sstevel@tonic-gate set_logindev_perms(devlink); 26657c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 26667c478bd9Sstevel@tonic-gate } else { 26677c478bd9Sstevel@tonic-gate switch (errno) { 26687c478bd9Sstevel@tonic-gate 26697c478bd9Sstevel@tonic-gate case ENOENT: 26707c478bd9Sstevel@tonic-gate /* dirpath to node doesn't exist */ 26717c478bd9Sstevel@tonic-gate hide = strrchr(devlink, '/'); 26727c478bd9Sstevel@tonic-gate *hide = '\0'; 26737c478bd9Sstevel@tonic-gate s_mkdirp(devlink, S_IRWXU|S_IRGRP| 26747c478bd9Sstevel@tonic-gate S_IXGRP|S_IROTH|S_IXOTH); 26757c478bd9Sstevel@tonic-gate *hide = '/'; 26767c478bd9Sstevel@tonic-gate break; 26777c478bd9Sstevel@tonic-gate case EEXIST: 26787c478bd9Sstevel@tonic-gate try = READ_LINK; 26797c478bd9Sstevel@tonic-gate break; 26807c478bd9Sstevel@tonic-gate default: 26817c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, devlink, 26827c478bd9Sstevel@tonic-gate contents, strerror(errno)); 26837c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 26847c478bd9Sstevel@tonic-gate } 26857c478bd9Sstevel@tonic-gate } 26867c478bd9Sstevel@tonic-gate break; 26877c478bd9Sstevel@tonic-gate 26887c478bd9Sstevel@tonic-gate case READ_LINK: 26897c478bd9Sstevel@tonic-gate 26907c478bd9Sstevel@tonic-gate linksize = readlink(devlink, checkcontents, PATH_MAX); 26917c478bd9Sstevel@tonic-gate if (linksize >= 0) { 26927c478bd9Sstevel@tonic-gate checkcontents[linksize] = '\0'; 26937c478bd9Sstevel@tonic-gate if (strcmp(checkcontents, contents) != 0) { 26947c478bd9Sstevel@tonic-gate s_unlink(devlink); 26957c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, REMOVING_LINK, 26967c478bd9Sstevel@tonic-gate devlink, checkcontents); 26977c478bd9Sstevel@tonic-gate try = CREATE_LINK; 26987c478bd9Sstevel@tonic-gate } else { 26997c478bd9Sstevel@tonic-gate prev_link_existed = TRUE; 27007c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, 27017c478bd9Sstevel@tonic-gate "link exists and is correct:" 27027c478bd9Sstevel@tonic-gate " %s -> %s\n", devlink, 27037c478bd9Sstevel@tonic-gate contents); 27047c478bd9Sstevel@tonic-gate *exists = TRUE; 27057c478bd9Sstevel@tonic-gate /* failure in that the link existed */ 27067c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 27077c478bd9Sstevel@tonic-gate } 27087c478bd9Sstevel@tonic-gate } else { 27097c478bd9Sstevel@tonic-gate switch (errno) { 27107c478bd9Sstevel@tonic-gate case EINVAL: 27117c478bd9Sstevel@tonic-gate /* not a symlink, remove and create */ 27127c478bd9Sstevel@tonic-gate s_unlink(devlink); 27137c478bd9Sstevel@tonic-gate default: 27147c478bd9Sstevel@tonic-gate /* maybe it didn't exist at all */ 27157c478bd9Sstevel@tonic-gate try = CREATE_LINK; 27167c478bd9Sstevel@tonic-gate break; 27177c478bd9Sstevel@tonic-gate } 27187c478bd9Sstevel@tonic-gate } 27197c478bd9Sstevel@tonic-gate break; 27207c478bd9Sstevel@tonic-gate } 27217c478bd9Sstevel@tonic-gate } 27227c478bd9Sstevel@tonic-gate err_print(MAX_ATTEMPTS, devlink, contents); 27237c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 27247c478bd9Sstevel@tonic-gate } 27257c478bd9Sstevel@tonic-gate 27267c478bd9Sstevel@tonic-gate static void 27277c478bd9Sstevel@tonic-gate set_logindev_perms(char *devlink) 27287c478bd9Sstevel@tonic-gate { 27297c478bd9Sstevel@tonic-gate struct login_dev *newdev; 27307c478bd9Sstevel@tonic-gate struct passwd pwd, *resp; 27317c478bd9Sstevel@tonic-gate char pwd_buf[PATH_MAX]; 27327c478bd9Sstevel@tonic-gate int rv; 27337c478bd9Sstevel@tonic-gate struct stat sb; 27347c478bd9Sstevel@tonic-gate char *devfs_path = NULL; 27357c478bd9Sstevel@tonic-gate 27367c478bd9Sstevel@tonic-gate /* 27377c478bd9Sstevel@tonic-gate * We only want logindev perms to be set when a device is 27387c478bd9Sstevel@tonic-gate * hotplugged or an application requests synchronous creates. 27397c478bd9Sstevel@tonic-gate * So we enable this only in daemon mode. In addition, 27407c478bd9Sstevel@tonic-gate * login(1) only fixes the std. /dev dir. So we don't 27417c478bd9Sstevel@tonic-gate * change perms if alternate root is set. 27427c478bd9Sstevel@tonic-gate * login_dev_enable is TRUE only in these cases. 27437c478bd9Sstevel@tonic-gate */ 27447c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 27457c478bd9Sstevel@tonic-gate return; 27467c478bd9Sstevel@tonic-gate 27477c478bd9Sstevel@tonic-gate /* 27487c478bd9Sstevel@tonic-gate * Normally, /etc/logindevperm has few (8 - 10 entries) which 27497c478bd9Sstevel@tonic-gate * may be regular expressions (globs were converted to RE). 27507c478bd9Sstevel@tonic-gate * So just do a linear search through the list. 27517c478bd9Sstevel@tonic-gate */ 27527c478bd9Sstevel@tonic-gate for (newdev = login_dev_cache; newdev; newdev = newdev->ldev_next) { 27537c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matching %s with %s\n", devlink, 27547c478bd9Sstevel@tonic-gate newdev->ldev_device); 27557c478bd9Sstevel@tonic-gate 27567c478bd9Sstevel@tonic-gate if (regexec(&newdev->ldev_device_regex, devlink, 0, 27577c478bd9Sstevel@tonic-gate NULL, 0) == 0) { 27587c478bd9Sstevel@tonic-gate vprint(FILES_MID, "matched %s with %s\n", devlink, 27597c478bd9Sstevel@tonic-gate newdev->ldev_device); 27607c478bd9Sstevel@tonic-gate break; 27617c478bd9Sstevel@tonic-gate } 27627c478bd9Sstevel@tonic-gate } 27637c478bd9Sstevel@tonic-gate 27647c478bd9Sstevel@tonic-gate if (newdev == NULL) 27657c478bd9Sstevel@tonic-gate return; 27667c478bd9Sstevel@tonic-gate 27677c478bd9Sstevel@tonic-gate /* 27687c478bd9Sstevel@tonic-gate * we have a match, now find the driver associated with this 27697c478bd9Sstevel@tonic-gate * minor node using a snapshot on the physical path 27707c478bd9Sstevel@tonic-gate */ 27717c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, &devfs_path, 0); 27727c478bd9Sstevel@tonic-gate if (devfs_path) { 27737c478bd9Sstevel@tonic-gate di_node_t node; 27747c478bd9Sstevel@tonic-gate char *drv = NULL; 27757c478bd9Sstevel@tonic-gate struct driver_list *list; 27767c478bd9Sstevel@tonic-gate char *p; 27777c478bd9Sstevel@tonic-gate 27787c478bd9Sstevel@tonic-gate /* truncate on : so we can take a snapshot */ 27797c478bd9Sstevel@tonic-gate (void) strcpy(pwd_buf, devfs_path); 27807c478bd9Sstevel@tonic-gate p = strrchr(pwd_buf, ':'); 27817c478bd9Sstevel@tonic-gate if (p == NULL) { 27827c478bd9Sstevel@tonic-gate free(devfs_path); 27837c478bd9Sstevel@tonic-gate return; 27847c478bd9Sstevel@tonic-gate } 27857c478bd9Sstevel@tonic-gate *p = '\0'; 27867c478bd9Sstevel@tonic-gate 27877c478bd9Sstevel@tonic-gate vprint(FILES_MID, "link=%s->physpath=%s\n", 27887c478bd9Sstevel@tonic-gate devlink, pwd_buf); 27897c478bd9Sstevel@tonic-gate 27907c478bd9Sstevel@tonic-gate node = di_init(pwd_buf, DINFOMINOR); 27917c478bd9Sstevel@tonic-gate 27927c478bd9Sstevel@tonic-gate if (node) { 27937c478bd9Sstevel@tonic-gate drv = di_driver_name(node); 27947c478bd9Sstevel@tonic-gate 27957c478bd9Sstevel@tonic-gate if (drv) { 27967c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s: driver is %s\n", 27977c478bd9Sstevel@tonic-gate devlink, drv); 27987c478bd9Sstevel@tonic-gate } 27997c478bd9Sstevel@tonic-gate di_fini(node); 28007c478bd9Sstevel@tonic-gate } 28017c478bd9Sstevel@tonic-gate /* search thru the driver list specified in logindevperm */ 28027c478bd9Sstevel@tonic-gate list = newdev->ldev_driver_list; 28037c478bd9Sstevel@tonic-gate if ((drv != NULL) && (list != NULL)) { 28047c478bd9Sstevel@tonic-gate while (list) { 28057c478bd9Sstevel@tonic-gate if (strcmp(list->driver_name, 28067c478bd9Sstevel@tonic-gate drv) == 0) { 28077c478bd9Sstevel@tonic-gate vprint(FILES_MID, 28087c478bd9Sstevel@tonic-gate "driver %s match!\n", drv); 28097c478bd9Sstevel@tonic-gate break; 28107c478bd9Sstevel@tonic-gate } 28117c478bd9Sstevel@tonic-gate list = list->next; 28127c478bd9Sstevel@tonic-gate } 28137c478bd9Sstevel@tonic-gate if (list == NULL) { 28147c478bd9Sstevel@tonic-gate vprint(FILES_MID, "no driver match!\n"); 28157c478bd9Sstevel@tonic-gate free(devfs_path); 28167c478bd9Sstevel@tonic-gate return; 28177c478bd9Sstevel@tonic-gate } 28187c478bd9Sstevel@tonic-gate } 28197c478bd9Sstevel@tonic-gate free(devfs_path); 28207c478bd9Sstevel@tonic-gate } else { 28217c478bd9Sstevel@tonic-gate return; 28227c478bd9Sstevel@tonic-gate } 28237c478bd9Sstevel@tonic-gate 28247c478bd9Sstevel@tonic-gate vprint(FILES_MID, "changing permissions of %s\n", devlink); 28257c478bd9Sstevel@tonic-gate 28267c478bd9Sstevel@tonic-gate /* 28277c478bd9Sstevel@tonic-gate * We have a match. We now attempt to determine the 28287c478bd9Sstevel@tonic-gate * owner and group of the console user. 28297c478bd9Sstevel@tonic-gate * 28307c478bd9Sstevel@tonic-gate * stat() the console device newdev->ldev_console 28317c478bd9Sstevel@tonic-gate * which will always exist - it will have the right owner but 28327c478bd9Sstevel@tonic-gate * not the right group. Use getpwuid_r() to determine group for this 28337c478bd9Sstevel@tonic-gate * uid. 28347c478bd9Sstevel@tonic-gate * Note, it is safe to use name service here since if name services 28357c478bd9Sstevel@tonic-gate * are not available (during boot or in single-user mode), then 28367c478bd9Sstevel@tonic-gate * console owner will be root and its gid can be found in 28377c478bd9Sstevel@tonic-gate * local files. 28387c478bd9Sstevel@tonic-gate */ 28397c478bd9Sstevel@tonic-gate if (stat(newdev->ldev_console, &sb) == -1) { 28407c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, STAT_FAILED, newdev->ldev_console, 28417c478bd9Sstevel@tonic-gate strerror(errno)); 28427c478bd9Sstevel@tonic-gate return; 28437c478bd9Sstevel@tonic-gate } 28447c478bd9Sstevel@tonic-gate 28457c478bd9Sstevel@tonic-gate resp = NULL; 28467c478bd9Sstevel@tonic-gate rv = getpwuid_r(sb.st_uid, &pwd, pwd_buf, sizeof (pwd_buf), &resp); 28477c478bd9Sstevel@tonic-gate if (rv || resp == NULL) { 28487c478bd9Sstevel@tonic-gate rv = rv ? rv : EINVAL; 28497c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, GID_FAILED, sb.st_uid, 28507c478bd9Sstevel@tonic-gate strerror(rv)); 28517c478bd9Sstevel@tonic-gate return; 28527c478bd9Sstevel@tonic-gate } 28537c478bd9Sstevel@tonic-gate 28547c478bd9Sstevel@tonic-gate assert(&pwd == resp); 28557c478bd9Sstevel@tonic-gate 28567c478bd9Sstevel@tonic-gate sb.st_gid = resp->pw_gid; 28577c478bd9Sstevel@tonic-gate 28587c478bd9Sstevel@tonic-gate if (chmod(devlink, newdev->ldev_perms) == -1) { 28597c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, devlink, 28607c478bd9Sstevel@tonic-gate strerror(errno)); 28617c478bd9Sstevel@tonic-gate return; 28627c478bd9Sstevel@tonic-gate } 28637c478bd9Sstevel@tonic-gate 28647c478bd9Sstevel@tonic-gate if (chown(devlink, sb.st_uid, sb.st_gid) == -1) { 28657c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, devlink, 28667c478bd9Sstevel@tonic-gate strerror(errno)); 28677c478bd9Sstevel@tonic-gate } 28687c478bd9Sstevel@tonic-gate } 28697c478bd9Sstevel@tonic-gate 28707c478bd9Sstevel@tonic-gate /* 28717c478bd9Sstevel@tonic-gate * Reset /devices node with appropriate permissions and 28727c478bd9Sstevel@tonic-gate * ownership as specified in /etc/minor_perm. 28737c478bd9Sstevel@tonic-gate */ 28747c478bd9Sstevel@tonic-gate static void 28757c478bd9Sstevel@tonic-gate reset_node_permissions(di_node_t node, di_minor_t minor) 28767c478bd9Sstevel@tonic-gate { 287745916cd2Sjpk int devalloc_is_on = 0; 28787c478bd9Sstevel@tonic-gate int spectype; 28797c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 28807c478bd9Sstevel@tonic-gate mode_t mode; 28817c478bd9Sstevel@tonic-gate dev_t dev; 28827c478bd9Sstevel@tonic-gate uid_t uid; 28837c478bd9Sstevel@tonic-gate gid_t gid; 28847c478bd9Sstevel@tonic-gate struct stat sb; 28857c478bd9Sstevel@tonic-gate char *dev_path, *aminor = NULL; 28867c478bd9Sstevel@tonic-gate 28877c478bd9Sstevel@tonic-gate /* lphy_path starts with / */ 28887c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 28897c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 28907c478bd9Sstevel@tonic-gate devfsadm_exit(1); 28917c478bd9Sstevel@tonic-gate } 28927c478bd9Sstevel@tonic-gate (void) strcpy(lphy_path, dev_path); 28937c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 28947c478bd9Sstevel@tonic-gate 28957c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, ":"); 28967c478bd9Sstevel@tonic-gate if (di_minor_type(minor) == DDM_ALIAS) { 28977c478bd9Sstevel@tonic-gate char *driver; 28987c478bd9Sstevel@tonic-gate aminor = di_minor_name(minor); 28997c478bd9Sstevel@tonic-gate driver = di_driver_name(di_minor_devinfo(minor)); 29007c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, driver); 29017c478bd9Sstevel@tonic-gate } else 29027c478bd9Sstevel@tonic-gate (void) strcat(lphy_path, di_minor_name(minor)); 29037c478bd9Sstevel@tonic-gate 29047c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, devices_dir); 29057c478bd9Sstevel@tonic-gate (void) strcat(phy_path, lphy_path); 29067c478bd9Sstevel@tonic-gate 29077c478bd9Sstevel@tonic-gate lnode = node; 29087c478bd9Sstevel@tonic-gate lminor = minor; 29097c478bd9Sstevel@tonic-gate 29107c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "reset_node_permissions: phy_path=%s lphy_path=%s\n", 29117c478bd9Sstevel@tonic-gate phy_path, lphy_path); 29127c478bd9Sstevel@tonic-gate 29137c478bd9Sstevel@tonic-gate dev = di_minor_devt(minor); 29147c478bd9Sstevel@tonic-gate spectype = di_minor_spectype(minor); /* block or char */ 29157c478bd9Sstevel@tonic-gate 29167c478bd9Sstevel@tonic-gate getattr(phy_path, aminor, spectype, dev, &mode, &uid, &gid); 29177c478bd9Sstevel@tonic-gate 29187c478bd9Sstevel@tonic-gate /* 29197c478bd9Sstevel@tonic-gate * compare and set permissions and ownership 29207c478bd9Sstevel@tonic-gate * 29217c478bd9Sstevel@tonic-gate * Under devfs, a quick insertion and removal of USB devices 29227c478bd9Sstevel@tonic-gate * would cause stat of physical path to fail. In this case, 29237c478bd9Sstevel@tonic-gate * we emit a verbose message, but don't print errors. 29247c478bd9Sstevel@tonic-gate */ 29257c478bd9Sstevel@tonic-gate if ((stat(phy_path, &sb) == -1) || (sb.st_rdev != dev)) { 29267c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, NO_DEVFS_NODE, phy_path); 29277c478bd9Sstevel@tonic-gate return; 29287c478bd9Sstevel@tonic-gate } 29297c478bd9Sstevel@tonic-gate 29307c478bd9Sstevel@tonic-gate /* 293145916cd2Sjpk * If we are here for a new device 293245916cd2Sjpk * If device allocation is on 293345916cd2Sjpk * then 293445916cd2Sjpk * set ownership to root:other and permissions to 0000 293545916cd2Sjpk * else 293645916cd2Sjpk * set ownership and permissions as specified in minor_perm 293745916cd2Sjpk * If we are here for an existing device 293845916cd2Sjpk * If device allocation is to be turned on 293945916cd2Sjpk * then 294045916cd2Sjpk * reset ownership to root:other and permissions to 0000 294145916cd2Sjpk * else if device allocation is to be turned off 294245916cd2Sjpk * reset ownership and permissions to those specified in 294345916cd2Sjpk * minor_perm 294445916cd2Sjpk * else 2945ff2aee48Scth * preserve existing/user-modified ownership and 294645916cd2Sjpk * permissions 294745916cd2Sjpk * 294845916cd2Sjpk * devfs indicates a new device by faking access time to be zero. 29497c478bd9Sstevel@tonic-gate */ 295045916cd2Sjpk devalloc_is_on = da_is_on(); 29517c478bd9Sstevel@tonic-gate if (sb.st_atime != 0) { 29527c478bd9Sstevel@tonic-gate int i; 29537c478bd9Sstevel@tonic-gate char *nt; 29547c478bd9Sstevel@tonic-gate 295545916cd2Sjpk if ((devalloc_flag == 0) && (devalloc_is_on != 1)) 295645916cd2Sjpk /* 295745916cd2Sjpk * Leave existing devices as they are if we are not 295845916cd2Sjpk * turning device allocation on/off. 295945916cd2Sjpk */ 29607c478bd9Sstevel@tonic-gate return; 29617c478bd9Sstevel@tonic-gate 29627c478bd9Sstevel@tonic-gate nt = di_minor_nodetype(minor); 296345916cd2Sjpk 29647c478bd9Sstevel@tonic-gate if (nt == NULL) 29657c478bd9Sstevel@tonic-gate return; 296645916cd2Sjpk 296745916cd2Sjpk for (i = 0; devalloc_list[i]; i++) { 296845916cd2Sjpk if (strcmp(nt, devalloc_list[i]) == 0) 296945916cd2Sjpk /* 297045916cd2Sjpk * One of the types recognized by devalloc, 297145916cd2Sjpk * reset attrs. 297245916cd2Sjpk */ 29737c478bd9Sstevel@tonic-gate break; 29747c478bd9Sstevel@tonic-gate } 297545916cd2Sjpk if (devalloc_list[i] == NULL) 29767c478bd9Sstevel@tonic-gate return; 29777c478bd9Sstevel@tonic-gate } 29787c478bd9Sstevel@tonic-gate 29797c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 29807c478bd9Sstevel@tonic-gate /* Nothing more to do if simulating */ 29817c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 29827c478bd9Sstevel@tonic-gate return; 29837c478bd9Sstevel@tonic-gate } 29847c478bd9Sstevel@tonic-gate 298545916cd2Sjpk if ((devalloc_flag == DA_ON) || (devalloc_is_on == 1)) { 298645916cd2Sjpk /* 298745916cd2Sjpk * we are here either to turn device allocation on 298845916cd2Sjpk * or to add a new device while device allocation in on 298945916cd2Sjpk */ 299045916cd2Sjpk mode = DEALLOC_MODE; 299145916cd2Sjpk uid = DA_UID; 299245916cd2Sjpk gid = DA_GID; 299345916cd2Sjpk } 299445916cd2Sjpk 299545916cd2Sjpk if ((devalloc_is_on == 1) || (devalloc_flag == DA_ON) || 299645916cd2Sjpk (sb.st_mode != mode)) { 29977c478bd9Sstevel@tonic-gate if (chmod(phy_path, mode) == -1) 29987c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHMOD_FAILED, 29997c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 30007c478bd9Sstevel@tonic-gate } 300145916cd2Sjpk if ((devalloc_is_on == 1) || (devalloc_flag == DA_ON) || 300245916cd2Sjpk (sb.st_uid != uid || sb.st_gid != gid)) { 30037c478bd9Sstevel@tonic-gate if (chown(phy_path, uid, gid) == -1) 30047c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, CHOWN_FAILED, 30057c478bd9Sstevel@tonic-gate phy_path, strerror(errno)); 30067c478bd9Sstevel@tonic-gate } 30077c478bd9Sstevel@tonic-gate 30087c478bd9Sstevel@tonic-gate /* Report that we actually did something */ 30097c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, PERM_MSG, phy_path, uid, gid, mode); 30107c478bd9Sstevel@tonic-gate } 30117c478bd9Sstevel@tonic-gate 30127c478bd9Sstevel@tonic-gate /* 30137c478bd9Sstevel@tonic-gate * Removes logical link and the minor node it refers to. If file is a 30147c478bd9Sstevel@tonic-gate * link, we recurse and try to remove the minor node (or link if path is 30157c478bd9Sstevel@tonic-gate * a double link) that file's link contents refer to. 30167c478bd9Sstevel@tonic-gate */ 30177c478bd9Sstevel@tonic-gate static void 30187c478bd9Sstevel@tonic-gate devfsadm_rm_work(char *file, int recurse, int file_type) 30197c478bd9Sstevel@tonic-gate { 30207c478bd9Sstevel@tonic-gate char *fcn = "devfsadm_rm_work: "; 30217c478bd9Sstevel@tonic-gate int linksize; 30227c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 30237c478bd9Sstevel@tonic-gate char nextfile[PATH_MAX + 1]; 30247c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 30257c478bd9Sstevel@tonic-gate char *ptr; 30267c478bd9Sstevel@tonic-gate 30277c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s\n", fcn, file); 30287c478bd9Sstevel@tonic-gate 30297c478bd9Sstevel@tonic-gate /* TYPE_LINK split into multiple if's due to excessive indentations */ 30307c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 30317c478bd9Sstevel@tonic-gate (void) strcpy(newfile, dev_dir); 30327c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 30337c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 30347c478bd9Sstevel@tonic-gate } 30357c478bd9Sstevel@tonic-gate 30367c478bd9Sstevel@tonic-gate if ((file_type == TYPE_LINK) && (recurse == TRUE) && 30377c478bd9Sstevel@tonic-gate ((linksize = readlink(newfile, contents, PATH_MAX)) > 0)) { 30387c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 30397c478bd9Sstevel@tonic-gate 30407c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_TRUE) { 30417c478bd9Sstevel@tonic-gate devfsadm_rm_work(++ptr, FALSE, TYPE_DEVICES); 30427c478bd9Sstevel@tonic-gate } else { 30437c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 30447c478bd9Sstevel@tonic-gate devfsadm_rm_work(&contents[strlen(DEV) + 1], 30457c478bd9Sstevel@tonic-gate TRUE, TYPE_LINK); 30467c478bd9Sstevel@tonic-gate } else { 30477c478bd9Sstevel@tonic-gate if ((ptr = strrchr(file, '/')) != NULL) { 30487c478bd9Sstevel@tonic-gate *ptr = '\0'; 30497c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, file); 30507c478bd9Sstevel@tonic-gate *ptr = '/'; 30517c478bd9Sstevel@tonic-gate (void) strcat(nextfile, "/"); 30527c478bd9Sstevel@tonic-gate } else { 30537c478bd9Sstevel@tonic-gate (void) strcpy(nextfile, ""); 30547c478bd9Sstevel@tonic-gate } 30557c478bd9Sstevel@tonic-gate (void) strcat(nextfile, contents); 30567c478bd9Sstevel@tonic-gate devfsadm_rm_work(nextfile, TRUE, TYPE_LINK); 30577c478bd9Sstevel@tonic-gate } 30587c478bd9Sstevel@tonic-gate } 30597c478bd9Sstevel@tonic-gate } 30607c478bd9Sstevel@tonic-gate 30617c478bd9Sstevel@tonic-gate if (file_type == TYPE_LINK) { 30627c478bd9Sstevel@tonic-gate vprint(VERBOSE_MID, DEVFSADM_UNLINK, newfile); 30637c478bd9Sstevel@tonic-gate if (file_mods == TRUE) { 30647c478bd9Sstevel@tonic-gate rm_link_from_cache(file); 30657c478bd9Sstevel@tonic-gate s_unlink(newfile); 30667c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(newfile); 30677c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(); 30687c478bd9Sstevel@tonic-gate (void) di_devlink_rm_link(devlink_cache, file); 30697c478bd9Sstevel@tonic-gate } 30707c478bd9Sstevel@tonic-gate } 30717c478bd9Sstevel@tonic-gate 30727c478bd9Sstevel@tonic-gate /* 30737c478bd9Sstevel@tonic-gate * Note: we don't remove /devices entries because they are 30747c478bd9Sstevel@tonic-gate * covered by devfs. 30757c478bd9Sstevel@tonic-gate */ 30767c478bd9Sstevel@tonic-gate } 30777c478bd9Sstevel@tonic-gate 30787c478bd9Sstevel@tonic-gate void 30797c478bd9Sstevel@tonic-gate devfsadm_rm_link(char *file) 30807c478bd9Sstevel@tonic-gate { 30817c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, FALSE, TYPE_LINK); 30827c478bd9Sstevel@tonic-gate } 30837c478bd9Sstevel@tonic-gate 30847c478bd9Sstevel@tonic-gate void 30857c478bd9Sstevel@tonic-gate devfsadm_rm_all(char *file) 30867c478bd9Sstevel@tonic-gate { 30877c478bd9Sstevel@tonic-gate devfsadm_rm_work(file, TRUE, TYPE_LINK); 30887c478bd9Sstevel@tonic-gate } 30897c478bd9Sstevel@tonic-gate 30904bc0a2efScasper static int 30917c478bd9Sstevel@tonic-gate s_rmdir(char *path) 30927c478bd9Sstevel@tonic-gate { 30937c478bd9Sstevel@tonic-gate int i; 30947c478bd9Sstevel@tonic-gate char *rpath, *dir; 30957c478bd9Sstevel@tonic-gate const char *fcn = "s_rmdir"; 30967c478bd9Sstevel@tonic-gate 30977c478bd9Sstevel@tonic-gate /* 30987c478bd9Sstevel@tonic-gate * Certain directories are created at install time by packages. 30997c478bd9Sstevel@tonic-gate * Some of them (listed in packaged_dirs[]) are required by apps 31007c478bd9Sstevel@tonic-gate * and need to be present even when empty. 31017c478bd9Sstevel@tonic-gate */ 31027c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: checking if %s is packaged\n", fcn, path); 31037c478bd9Sstevel@tonic-gate 31047c478bd9Sstevel@tonic-gate rpath = path + strlen(dev_dir) + 1; 31057c478bd9Sstevel@tonic-gate 31067c478bd9Sstevel@tonic-gate for (i = 0; (dir = packaged_dirs[i]) != NULL; i++) { 31077c478bd9Sstevel@tonic-gate if (*rpath == *dir) { 31087c478bd9Sstevel@tonic-gate if (strcmp(rpath, dir) == 0) { 31097c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s: skipping packaged dir: " 31107c478bd9Sstevel@tonic-gate "%s\n", fcn, path); 31114bc0a2efScasper errno = EEXIST; 31124bc0a2efScasper return (-1); 31137c478bd9Sstevel@tonic-gate } 31147c478bd9Sstevel@tonic-gate } 31157c478bd9Sstevel@tonic-gate } 31167c478bd9Sstevel@tonic-gate 31174bc0a2efScasper return (rmdir(path)); 31187c478bd9Sstevel@tonic-gate } 31197c478bd9Sstevel@tonic-gate 31207c478bd9Sstevel@tonic-gate /* 31217c478bd9Sstevel@tonic-gate * Try to remove any empty directories up the tree. It is assumed that 31227c478bd9Sstevel@tonic-gate * pathname is a file that was removed, so start with its parent, and 31237c478bd9Sstevel@tonic-gate * work up the tree. 31247c478bd9Sstevel@tonic-gate */ 31257c478bd9Sstevel@tonic-gate static void 31267c478bd9Sstevel@tonic-gate rm_parent_dir_if_empty(char *pathname) 31277c478bd9Sstevel@tonic-gate { 31287c478bd9Sstevel@tonic-gate char *ptr, path[PATH_MAX + 1]; 31297c478bd9Sstevel@tonic-gate char *fcn = "rm_parent_dir_if_empty: "; 313073de625bSjg finddevhdl_t fhandle; 313173de625bSjg const char *f; 313273de625bSjg int rv; 31337c478bd9Sstevel@tonic-gate 31347c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%schecking %s if empty\n", fcn, pathname); 31357c478bd9Sstevel@tonic-gate 31367c478bd9Sstevel@tonic-gate (void) strcpy(path, pathname); 31377c478bd9Sstevel@tonic-gate 31387c478bd9Sstevel@tonic-gate /* 31397c478bd9Sstevel@tonic-gate * ascend up the dir tree, deleting all empty dirs. 31407c478bd9Sstevel@tonic-gate * Return immediately if a dir is not empty. 31417c478bd9Sstevel@tonic-gate */ 31427c478bd9Sstevel@tonic-gate for (;;) { 31437c478bd9Sstevel@tonic-gate 31447c478bd9Sstevel@tonic-gate if ((ptr = strrchr(path, '/')) == NULL) { 31457c478bd9Sstevel@tonic-gate return; 31467c478bd9Sstevel@tonic-gate } 31477c478bd9Sstevel@tonic-gate 31487c478bd9Sstevel@tonic-gate *ptr = '\0'; 31497c478bd9Sstevel@tonic-gate 315073de625bSjg if ((rv = finddev_readdir(path, &fhandle)) != 0) { 315173de625bSjg err_print(OPENDIR_FAILED, path, strerror(rv)); 3152facf4a8dSllai return; 31537c478bd9Sstevel@tonic-gate } 3154facf4a8dSllai 3155facf4a8dSllai /* 3156facf4a8dSllai * An empty pathlist implies an empty directory 3157facf4a8dSllai */ 315873de625bSjg f = finddev_next(fhandle); 315973de625bSjg finddev_close(fhandle); 316073de625bSjg if (f == NULL) { 3161facf4a8dSllai if (s_rmdir(path) == 0) { 3162facf4a8dSllai vprint(REMOVE_MID, 3163facf4a8dSllai "%sremoving empty dir %s\n", fcn, path); 3164facf4a8dSllai } else if (errno == EEXIST) { 3165facf4a8dSllai vprint(REMOVE_MID, 3166facf4a8dSllai "%sfailed to remove dir: %s\n", fcn, path); 3167facf4a8dSllai return; 3168facf4a8dSllai } 3169facf4a8dSllai } else { 3170facf4a8dSllai /* some other file is here, so return */ 31717c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sdir not empty: %s\n", fcn, path); 31727c478bd9Sstevel@tonic-gate return; 31737c478bd9Sstevel@tonic-gate } 31747c478bd9Sstevel@tonic-gate } 31757c478bd9Sstevel@tonic-gate } 31767c478bd9Sstevel@tonic-gate 31777c478bd9Sstevel@tonic-gate /* 31787c478bd9Sstevel@tonic-gate * This function and all the functions it calls below were added to 31797c478bd9Sstevel@tonic-gate * handle the unique problem with world wide names (WWN). The problem is 31807c478bd9Sstevel@tonic-gate * that if a WWN device is moved to another address on the same controller 31817c478bd9Sstevel@tonic-gate * its logical link will change, while the physical node remains the same. 31827c478bd9Sstevel@tonic-gate * The result is that two logical links will point to the same physical path 31837c478bd9Sstevel@tonic-gate * in /devices, the valid link and a stale link. This function will 31847c478bd9Sstevel@tonic-gate * find all the stale nodes, though at a significant performance cost. 31857c478bd9Sstevel@tonic-gate * 31867c478bd9Sstevel@tonic-gate * Caching is used to increase performance. 31877c478bd9Sstevel@tonic-gate * A cache will be built from disk if the cache tag doesn't already exist. 31887c478bd9Sstevel@tonic-gate * The cache tag is a regular expression "dir_re", which selects a 31897c478bd9Sstevel@tonic-gate * subset of disks to search from typically something like 31907c478bd9Sstevel@tonic-gate * "dev/cXt[0-9]+d[0-9]+s[0-9]+". After the cache is built, consistency must 31917c478bd9Sstevel@tonic-gate * be maintained, so entries are added as new links are created, and removed 31927c478bd9Sstevel@tonic-gate * as old links are deleted. The whole cache is flushed if we are a daemon, 31937c478bd9Sstevel@tonic-gate * and another devfsadm process ran in between. 31947c478bd9Sstevel@tonic-gate * 31957c478bd9Sstevel@tonic-gate * Once the cache is built, this function finds the cache which matches 31967c478bd9Sstevel@tonic-gate * dir_re, and then it searches all links in that cache looking for 31977c478bd9Sstevel@tonic-gate * any link whose contents match "valid_link_contents" with a corresponding link 31987c478bd9Sstevel@tonic-gate * which does not match "valid_link". Any such matches are stale and removed. 31997c478bd9Sstevel@tonic-gate */ 32007c478bd9Sstevel@tonic-gate void 32017c478bd9Sstevel@tonic-gate devfsadm_rm_stale_links(char *dir_re, char *valid_link, di_node_t node, 32027c478bd9Sstevel@tonic-gate di_minor_t minor) 32037c478bd9Sstevel@tonic-gate { 32047c478bd9Sstevel@tonic-gate link_t *link; 32057c478bd9Sstevel@tonic-gate linkhead_t *head; 32067c478bd9Sstevel@tonic-gate char phy_path[PATH_MAX + 1]; 32077c478bd9Sstevel@tonic-gate char *valid_link_contents; 32087c478bd9Sstevel@tonic-gate char *dev_path; 32097c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 32107c478bd9Sstevel@tonic-gate 32117c478bd9Sstevel@tonic-gate /* 32127c478bd9Sstevel@tonic-gate * try to use devices path 32137c478bd9Sstevel@tonic-gate */ 32147c478bd9Sstevel@tonic-gate if ((node == lnode) && (minor == lminor)) { 32157c478bd9Sstevel@tonic-gate valid_link_contents = lphy_path; 32167c478bd9Sstevel@tonic-gate } else { 32177c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 32187c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 32197c478bd9Sstevel@tonic-gate devfsadm_exit(1); 32207c478bd9Sstevel@tonic-gate } 32217c478bd9Sstevel@tonic-gate (void) strcpy(phy_path, dev_path); 32227c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 32237c478bd9Sstevel@tonic-gate 32247c478bd9Sstevel@tonic-gate (void) strcat(phy_path, ":"); 32257c478bd9Sstevel@tonic-gate (void) strcat(phy_path, di_minor_name(minor)); 32267c478bd9Sstevel@tonic-gate valid_link_contents = phy_path; 32277c478bd9Sstevel@tonic-gate } 32287c478bd9Sstevel@tonic-gate 32297c478bd9Sstevel@tonic-gate /* 32307c478bd9Sstevel@tonic-gate * As an optimization, check to make sure the corresponding 32317c478bd9Sstevel@tonic-gate * devlink was just created before continuing. 32327c478bd9Sstevel@tonic-gate */ 32337c478bd9Sstevel@tonic-gate 32347c478bd9Sstevel@tonic-gate if (linknew == FALSE) { 32357c478bd9Sstevel@tonic-gate return; 32367c478bd9Sstevel@tonic-gate } 32377c478bd9Sstevel@tonic-gate 32387c478bd9Sstevel@tonic-gate head = get_cached_links(dir_re); 32397c478bd9Sstevel@tonic-gate 32407c478bd9Sstevel@tonic-gate assert(head->nextlink == NULL); 32417c478bd9Sstevel@tonic-gate 32427c478bd9Sstevel@tonic-gate for (link = head->link; link != NULL; link = head->nextlink) { 32437c478bd9Sstevel@tonic-gate /* 32447c478bd9Sstevel@tonic-gate * See hot_cleanup() for why we do this 32457c478bd9Sstevel@tonic-gate */ 32467c478bd9Sstevel@tonic-gate head->nextlink = link->next; 32477c478bd9Sstevel@tonic-gate if ((strcmp(link->contents, valid_link_contents) == 0) && 32487c478bd9Sstevel@tonic-gate (strcmp(link->devlink, valid_link) != 0)) { 32497c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "removing %s -> %s\n" 32507c478bd9Sstevel@tonic-gate "valid link is: %s -> %s\n", 32517c478bd9Sstevel@tonic-gate link->devlink, link->contents, 32527c478bd9Sstevel@tonic-gate valid_link, valid_link_contents); 32537c478bd9Sstevel@tonic-gate /* 32547c478bd9Sstevel@tonic-gate * Use a copy of the cached link name as the 32557c478bd9Sstevel@tonic-gate * cache entry will go away during link removal 32567c478bd9Sstevel@tonic-gate */ 32577c478bd9Sstevel@tonic-gate (void) snprintf(rmlink, sizeof (rmlink), "%s", 32587c478bd9Sstevel@tonic-gate link->devlink); 32597c478bd9Sstevel@tonic-gate devfsadm_rm_link(rmlink); 32607c478bd9Sstevel@tonic-gate } 32617c478bd9Sstevel@tonic-gate } 32627c478bd9Sstevel@tonic-gate } 32637c478bd9Sstevel@tonic-gate 32647c478bd9Sstevel@tonic-gate /* 32657c478bd9Sstevel@tonic-gate * Return previously created cache, or create cache. 32667c478bd9Sstevel@tonic-gate */ 32677c478bd9Sstevel@tonic-gate static linkhead_t * 32687c478bd9Sstevel@tonic-gate get_cached_links(char *dir_re) 32697c478bd9Sstevel@tonic-gate { 32707c478bd9Sstevel@tonic-gate recurse_dev_t rd; 32717c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 32727c478bd9Sstevel@tonic-gate int n; 32737c478bd9Sstevel@tonic-gate 32747c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: %s\n", dir_re); 32757c478bd9Sstevel@tonic-gate 32767c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 32777c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 32787c478bd9Sstevel@tonic-gate if (strcmp(linkhead->dir_re, dir_re) == 0) { 32797c478bd9Sstevel@tonic-gate return (linkhead); 32807c478bd9Sstevel@tonic-gate } 32817c478bd9Sstevel@tonic-gate } 32827c478bd9Sstevel@tonic-gate 32837c478bd9Sstevel@tonic-gate /* 32847c478bd9Sstevel@tonic-gate * This tag is not in cache, so add it, along with all its 32857c478bd9Sstevel@tonic-gate * matching /dev entries. This is the only time we go to disk. 32867c478bd9Sstevel@tonic-gate */ 32877c478bd9Sstevel@tonic-gate linkhead = s_malloc(sizeof (linkhead_t)); 32887c478bd9Sstevel@tonic-gate linkhead->nexthead = headlinkhead; 32897c478bd9Sstevel@tonic-gate headlinkhead = linkhead; 32907c478bd9Sstevel@tonic-gate linkhead->dir_re = s_strdup(dir_re); 32917c478bd9Sstevel@tonic-gate 32927c478bd9Sstevel@tonic-gate if ((n = regcomp(&(linkhead->dir_re_compiled), dir_re, 32937c478bd9Sstevel@tonic-gate REG_EXTENDED)) != 0) { 32947c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, dir_re, n); 32957c478bd9Sstevel@tonic-gate } 32967c478bd9Sstevel@tonic-gate 32977c478bd9Sstevel@tonic-gate linkhead->nextlink = NULL; 32987c478bd9Sstevel@tonic-gate linkhead->link = NULL; 32997c478bd9Sstevel@tonic-gate 33007c478bd9Sstevel@tonic-gate rd.fcn = build_devlink_list; 33017c478bd9Sstevel@tonic-gate rd.data = (void *)linkhead; 33027c478bd9Sstevel@tonic-gate 33037c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "get_cached_links: calling recurse_dev_re\n"); 33047c478bd9Sstevel@tonic-gate 33057c478bd9Sstevel@tonic-gate /* call build_devlink_list for each directory in the dir_re RE */ 33067c478bd9Sstevel@tonic-gate if (dir_re[0] == '/') { 33077c478bd9Sstevel@tonic-gate recurse_dev_re("/", &dir_re[1], &rd); 33087c478bd9Sstevel@tonic-gate } else { 33097c478bd9Sstevel@tonic-gate recurse_dev_re(dev_dir, dir_re, &rd); 33107c478bd9Sstevel@tonic-gate } 33117c478bd9Sstevel@tonic-gate 33127c478bd9Sstevel@tonic-gate return (linkhead); 33137c478bd9Sstevel@tonic-gate } 33147c478bd9Sstevel@tonic-gate 33157c478bd9Sstevel@tonic-gate static void 33167c478bd9Sstevel@tonic-gate build_devlink_list(char *devlink, void *data) 33177c478bd9Sstevel@tonic-gate { 33187c478bd9Sstevel@tonic-gate char *fcn = "build_devlink_list: "; 33197c478bd9Sstevel@tonic-gate char *ptr; 33207c478bd9Sstevel@tonic-gate char *r_contents; 33217c478bd9Sstevel@tonic-gate char *r_devlink; 33227c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 33237c478bd9Sstevel@tonic-gate char newlink[PATH_MAX + 1]; 33247c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 33257c478bd9Sstevel@tonic-gate int linksize; 33267c478bd9Sstevel@tonic-gate linkhead_t *linkhead = (linkhead_t *)data; 33277c478bd9Sstevel@tonic-gate link_t *link; 33287c478bd9Sstevel@tonic-gate int i = 0; 33297c478bd9Sstevel@tonic-gate 33307c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scheck_link: %s\n", fcn, devlink); 33317c478bd9Sstevel@tonic-gate 33327c478bd9Sstevel@tonic-gate (void) strcpy(newlink, devlink); 33337c478bd9Sstevel@tonic-gate 33347c478bd9Sstevel@tonic-gate do { 33357c478bd9Sstevel@tonic-gate linksize = readlink(newlink, contents, PATH_MAX); 33367c478bd9Sstevel@tonic-gate if (linksize <= 0) { 33377c478bd9Sstevel@tonic-gate /* 33387c478bd9Sstevel@tonic-gate * The first pass through the do loop we may readlink() 33397c478bd9Sstevel@tonic-gate * non-symlink files(EINVAL) from false regexec matches. 33407c478bd9Sstevel@tonic-gate * Suppress error messages in those cases or if the link 33417c478bd9Sstevel@tonic-gate * content is the empty string. 33427c478bd9Sstevel@tonic-gate */ 33437c478bd9Sstevel@tonic-gate if (linksize < 0 && (i || errno != EINVAL)) 33447c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, "build_devlink_list", 33457c478bd9Sstevel@tonic-gate newlink, strerror(errno)); 33467c478bd9Sstevel@tonic-gate return; 33477c478bd9Sstevel@tonic-gate } 33487c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 33497c478bd9Sstevel@tonic-gate i = 1; 33507c478bd9Sstevel@tonic-gate 33517c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &r_contents) == DEVFSADM_FALSE) { 33527c478bd9Sstevel@tonic-gate /* 33537c478bd9Sstevel@tonic-gate * assume that link contents is really a pointer to 33547c478bd9Sstevel@tonic-gate * another link, so recurse and read its link contents. 33557c478bd9Sstevel@tonic-gate * 33567c478bd9Sstevel@tonic-gate * some link contents are absolute: 33577c478bd9Sstevel@tonic-gate * /dev/audio -> /dev/sound/0 33587c478bd9Sstevel@tonic-gate */ 33597c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", 33607c478bd9Sstevel@tonic-gate strlen(DEV) + strlen("/")) != 0) { 33617c478bd9Sstevel@tonic-gate 33627c478bd9Sstevel@tonic-gate if ((ptr = strrchr(newlink, '/')) == NULL) { 33637c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid " 33647c478bd9Sstevel@tonic-gate "link. missing '/'\n", fcn, 33657c478bd9Sstevel@tonic-gate newlink, contents); 33667c478bd9Sstevel@tonic-gate return; 33677c478bd9Sstevel@tonic-gate } 33687c478bd9Sstevel@tonic-gate *ptr = '\0'; 33697c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, newlink); 33707c478bd9Sstevel@tonic-gate *ptr = '/'; 33717c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 33727c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 33737c478bd9Sstevel@tonic-gate (void) strcpy(newlink, stage_link); 33747c478bd9Sstevel@tonic-gate } else { 33757c478bd9Sstevel@tonic-gate (void) strcpy(newlink, dev_dir); 33767c478bd9Sstevel@tonic-gate (void) strcat(newlink, "/"); 33777c478bd9Sstevel@tonic-gate (void) strcat(newlink, 33787c478bd9Sstevel@tonic-gate &contents[strlen(DEV) + strlen("/")]); 33797c478bd9Sstevel@tonic-gate } 33807c478bd9Sstevel@tonic-gate 33817c478bd9Sstevel@tonic-gate } else { 33827c478bd9Sstevel@tonic-gate newlink[0] = '\0'; 33837c478bd9Sstevel@tonic-gate } 33847c478bd9Sstevel@tonic-gate } while (newlink[0] != '\0'); 33857c478bd9Sstevel@tonic-gate 33867c478bd9Sstevel@tonic-gate if (strncmp(devlink, dev_dir, strlen(dev_dir)) != 0) { 33877c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%sinvalid link: %s\n", fcn, devlink); 33887c478bd9Sstevel@tonic-gate return; 33897c478bd9Sstevel@tonic-gate } 33907c478bd9Sstevel@tonic-gate 33917c478bd9Sstevel@tonic-gate r_devlink = devlink + strlen(dev_dir); 33927c478bd9Sstevel@tonic-gate 33937c478bd9Sstevel@tonic-gate if (r_devlink[0] != '/') 33947c478bd9Sstevel@tonic-gate return; 33957c478bd9Sstevel@tonic-gate 33967c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 33977c478bd9Sstevel@tonic-gate 33987c478bd9Sstevel@tonic-gate /* don't store the '/' after rootdir/dev */ 33997c478bd9Sstevel@tonic-gate r_devlink += 1; 34007c478bd9Sstevel@tonic-gate 34017c478bd9Sstevel@tonic-gate vprint(BUILDCACHE_MID, "%scaching link: %s\n", fcn, r_devlink); 34027c478bd9Sstevel@tonic-gate link->devlink = s_strdup(r_devlink); 34037c478bd9Sstevel@tonic-gate 34047c478bd9Sstevel@tonic-gate link->contents = s_strdup(r_contents); 34057c478bd9Sstevel@tonic-gate 34067c478bd9Sstevel@tonic-gate link->next = linkhead->link; 34077c478bd9Sstevel@tonic-gate linkhead->link = link; 34087c478bd9Sstevel@tonic-gate } 34097c478bd9Sstevel@tonic-gate 34107c478bd9Sstevel@tonic-gate /* 34117c478bd9Sstevel@tonic-gate * to be consistent, devlink must not begin with / and must be 34127c478bd9Sstevel@tonic-gate * relative to /dev/, whereas physpath must contain / and be 34137c478bd9Sstevel@tonic-gate * relative to /devices. 34147c478bd9Sstevel@tonic-gate */ 34157c478bd9Sstevel@tonic-gate static void 34167c478bd9Sstevel@tonic-gate add_link_to_cache(char *devlink, char *physpath) 34177c478bd9Sstevel@tonic-gate { 34187c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 34197c478bd9Sstevel@tonic-gate link_t *link; 34207c478bd9Sstevel@tonic-gate int added = 0; 34217c478bd9Sstevel@tonic-gate 34227c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 34237c478bd9Sstevel@tonic-gate return; 34247c478bd9Sstevel@tonic-gate } 34257c478bd9Sstevel@tonic-gate 34267c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "add_link_to_cache: %s -> %s ", 34277c478bd9Sstevel@tonic-gate devlink, physpath); 34287c478bd9Sstevel@tonic-gate 34297c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 34307c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 34317c478bd9Sstevel@tonic-gate if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 34327c478bd9Sstevel@tonic-gate 0) == 0) { 34337c478bd9Sstevel@tonic-gate added++; 34347c478bd9Sstevel@tonic-gate link = s_malloc(sizeof (link_t)); 34357c478bd9Sstevel@tonic-gate link->devlink = s_strdup(devlink); 34367c478bd9Sstevel@tonic-gate link->contents = s_strdup(physpath); 34377c478bd9Sstevel@tonic-gate link->next = linkhead->link; 34387c478bd9Sstevel@tonic-gate linkhead->link = link; 34397c478bd9Sstevel@tonic-gate } 34407c478bd9Sstevel@tonic-gate } 34417c478bd9Sstevel@tonic-gate 34427c478bd9Sstevel@tonic-gate vprint(CACHE_MID, 34437c478bd9Sstevel@tonic-gate " %d %s\n", added, added == 0 ? "NOT ADDED" : "ADDED"); 34447c478bd9Sstevel@tonic-gate } 34457c478bd9Sstevel@tonic-gate 34467c478bd9Sstevel@tonic-gate /* 34477c478bd9Sstevel@tonic-gate * Remove devlink from cache. Devlink must be relative to /dev/ and not start 34487c478bd9Sstevel@tonic-gate * with /. 34497c478bd9Sstevel@tonic-gate */ 34507c478bd9Sstevel@tonic-gate static void 34517c478bd9Sstevel@tonic-gate rm_link_from_cache(char *devlink) 34527c478bd9Sstevel@tonic-gate { 34537c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 34547c478bd9Sstevel@tonic-gate link_t **linkp; 34557c478bd9Sstevel@tonic-gate link_t *save; 34567c478bd9Sstevel@tonic-gate 34577c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_link_from_cache enter: %s\n", devlink); 34587c478bd9Sstevel@tonic-gate 34597c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 34607c478bd9Sstevel@tonic-gate linkhead = linkhead->nexthead) { 34617c478bd9Sstevel@tonic-gate if (regexec(&(linkhead->dir_re_compiled), devlink, 0, NULL, 34627c478bd9Sstevel@tonic-gate 0) == 0) { 34637c478bd9Sstevel@tonic-gate 34647c478bd9Sstevel@tonic-gate for (linkp = &(linkhead->link); *linkp != NULL; ) { 34657c478bd9Sstevel@tonic-gate if ((strcmp((*linkp)->devlink, devlink) == 0)) { 34667c478bd9Sstevel@tonic-gate save = *linkp; 34677c478bd9Sstevel@tonic-gate *linkp = (*linkp)->next; 34687c478bd9Sstevel@tonic-gate /* 34697c478bd9Sstevel@tonic-gate * We are removing our caller's 34707c478bd9Sstevel@tonic-gate * "next" link. Update the nextlink 34717c478bd9Sstevel@tonic-gate * field in the head so that our 34727c478bd9Sstevel@tonic-gate * callers accesses the next valid 34737c478bd9Sstevel@tonic-gate * link 34747c478bd9Sstevel@tonic-gate */ 34757c478bd9Sstevel@tonic-gate if (linkhead->nextlink == save) 34767c478bd9Sstevel@tonic-gate linkhead->nextlink = *linkp; 34777c478bd9Sstevel@tonic-gate free(save->devlink); 34787c478bd9Sstevel@tonic-gate free(save->contents); 34797c478bd9Sstevel@tonic-gate free(save); 34807c478bd9Sstevel@tonic-gate vprint(CACHE_MID, " %s FREED FROM " 34817c478bd9Sstevel@tonic-gate "CACHE\n", devlink); 34827c478bd9Sstevel@tonic-gate } else { 34837c478bd9Sstevel@tonic-gate linkp = &((*linkp)->next); 34847c478bd9Sstevel@tonic-gate } 34857c478bd9Sstevel@tonic-gate } 34867c478bd9Sstevel@tonic-gate } 34877c478bd9Sstevel@tonic-gate } 34887c478bd9Sstevel@tonic-gate } 34897c478bd9Sstevel@tonic-gate 34907c478bd9Sstevel@tonic-gate static void 34917c478bd9Sstevel@tonic-gate rm_all_links_from_cache() 34927c478bd9Sstevel@tonic-gate { 34937c478bd9Sstevel@tonic-gate linkhead_t *linkhead; 34947c478bd9Sstevel@tonic-gate linkhead_t *nextlinkhead; 34957c478bd9Sstevel@tonic-gate link_t *link; 34967c478bd9Sstevel@tonic-gate link_t *nextlink; 34977c478bd9Sstevel@tonic-gate 34987c478bd9Sstevel@tonic-gate vprint(CACHE_MID, "rm_all_links_from_cache\n"); 34997c478bd9Sstevel@tonic-gate 35007c478bd9Sstevel@tonic-gate for (linkhead = headlinkhead; linkhead != NULL; 35017c478bd9Sstevel@tonic-gate linkhead = nextlinkhead) { 35027c478bd9Sstevel@tonic-gate 35037c478bd9Sstevel@tonic-gate nextlinkhead = linkhead->nexthead; 35047c478bd9Sstevel@tonic-gate assert(linkhead->nextlink == NULL); 35057c478bd9Sstevel@tonic-gate for (link = linkhead->link; link != NULL; link = nextlink) { 35067c478bd9Sstevel@tonic-gate nextlink = link->next; 35077c478bd9Sstevel@tonic-gate free(link->devlink); 35087c478bd9Sstevel@tonic-gate free(link->contents); 35097c478bd9Sstevel@tonic-gate free(link); 35107c478bd9Sstevel@tonic-gate } 35117c478bd9Sstevel@tonic-gate regfree(&(linkhead->dir_re_compiled)); 35127c478bd9Sstevel@tonic-gate free(linkhead->dir_re); 35137c478bd9Sstevel@tonic-gate free(linkhead); 35147c478bd9Sstevel@tonic-gate } 35157c478bd9Sstevel@tonic-gate headlinkhead = NULL; 35167c478bd9Sstevel@tonic-gate } 35177c478bd9Sstevel@tonic-gate 35187c478bd9Sstevel@tonic-gate /* 35197c478bd9Sstevel@tonic-gate * Called when the kernel has modified the incore path_to_inst data. This 35207c478bd9Sstevel@tonic-gate * function will schedule a flush of the data to the filesystem. 35217c478bd9Sstevel@tonic-gate */ 35227c478bd9Sstevel@tonic-gate static void 35237c478bd9Sstevel@tonic-gate devfs_instance_mod(void) 35247c478bd9Sstevel@tonic-gate { 35257c478bd9Sstevel@tonic-gate char *fcn = "devfs_instance_mod: "; 35267c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "%senter\n", fcn); 35277c478bd9Sstevel@tonic-gate 35287c478bd9Sstevel@tonic-gate /* signal instance thread */ 35297c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 35307c478bd9Sstevel@tonic-gate inst_count++; 35317c478bd9Sstevel@tonic-gate (void) cond_signal(&cv); 35327c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 35337c478bd9Sstevel@tonic-gate } 35347c478bd9Sstevel@tonic-gate 35357c478bd9Sstevel@tonic-gate static void 35367c478bd9Sstevel@tonic-gate instance_flush_thread(void) 35377c478bd9Sstevel@tonic-gate { 35387c478bd9Sstevel@tonic-gate int i; 35397c478bd9Sstevel@tonic-gate int idle; 35407c478bd9Sstevel@tonic-gate 35417c478bd9Sstevel@tonic-gate for (;;) { 35427c478bd9Sstevel@tonic-gate 35437c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 35447c478bd9Sstevel@tonic-gate while (inst_count == 0) { 35457c478bd9Sstevel@tonic-gate (void) cond_wait(&cv, &count_lock); 35467c478bd9Sstevel@tonic-gate } 35477c478bd9Sstevel@tonic-gate inst_count = 0; 35487c478bd9Sstevel@tonic-gate 35497c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "signaled to flush path_to_inst." 35507c478bd9Sstevel@tonic-gate " Enter delay loop\n"); 35517c478bd9Sstevel@tonic-gate /* 35527c478bd9Sstevel@tonic-gate * Wait MAX_IDLE_DELAY seconds after getting the last flush 35537c478bd9Sstevel@tonic-gate * path_to_inst event before invoking a flush, but never wait 35547c478bd9Sstevel@tonic-gate * more than MAX_DELAY seconds after getting the first event. 35557c478bd9Sstevel@tonic-gate */ 35567c478bd9Sstevel@tonic-gate for (idle = 0, i = 0; i < MAX_DELAY; i++) { 35577c478bd9Sstevel@tonic-gate 35587c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 35597c478bd9Sstevel@tonic-gate (void) sleep(1); 35607c478bd9Sstevel@tonic-gate (void) mutex_lock(&count_lock); 35617c478bd9Sstevel@tonic-gate 35627c478bd9Sstevel@tonic-gate /* shorten the delay if we are idle */ 35637c478bd9Sstevel@tonic-gate if (inst_count == 0) { 35647c478bd9Sstevel@tonic-gate idle++; 35657c478bd9Sstevel@tonic-gate if (idle > MAX_IDLE_DELAY) { 35667c478bd9Sstevel@tonic-gate break; 35677c478bd9Sstevel@tonic-gate } 35687c478bd9Sstevel@tonic-gate } else { 35697c478bd9Sstevel@tonic-gate inst_count = idle = 0; 35707c478bd9Sstevel@tonic-gate } 35717c478bd9Sstevel@tonic-gate } 35727c478bd9Sstevel@tonic-gate 35737c478bd9Sstevel@tonic-gate (void) mutex_unlock(&count_lock); 35747c478bd9Sstevel@tonic-gate 35757c478bd9Sstevel@tonic-gate flush_path_to_inst(); 35767c478bd9Sstevel@tonic-gate } 35777c478bd9Sstevel@tonic-gate } 35787c478bd9Sstevel@tonic-gate 35797c478bd9Sstevel@tonic-gate /* 35807c478bd9Sstevel@tonic-gate * Helper function for flush_path_to_inst() below; this routine calls the 35817c478bd9Sstevel@tonic-gate * inst_sync syscall to flush the path_to_inst database to the given file. 35827c478bd9Sstevel@tonic-gate */ 35837c478bd9Sstevel@tonic-gate static int 35847c478bd9Sstevel@tonic-gate do_inst_sync(char *filename) 35857c478bd9Sstevel@tonic-gate { 35867c478bd9Sstevel@tonic-gate void (*sigsaved)(int); 35877c478bd9Sstevel@tonic-gate int err = 0; 35887c478bd9Sstevel@tonic-gate 35897c478bd9Sstevel@tonic-gate vprint(INSTSYNC_MID, "do_inst_sync: about to flush %s\n", filename); 35907c478bd9Sstevel@tonic-gate sigsaved = sigset(SIGSYS, SIG_IGN); 35917c478bd9Sstevel@tonic-gate if (inst_sync(filename, 0) == -1) 35927c478bd9Sstevel@tonic-gate err = errno; 35937c478bd9Sstevel@tonic-gate (void) sigset(SIGSYS, sigsaved); 35947c478bd9Sstevel@tonic-gate 35957c478bd9Sstevel@tonic-gate switch (err) { 35967c478bd9Sstevel@tonic-gate case 0: 35977c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 35987c478bd9Sstevel@tonic-gate case EALREADY: /* no-op, path_to_inst already up to date */ 35997c478bd9Sstevel@tonic-gate return (EALREADY); 36007c478bd9Sstevel@tonic-gate case ENOSYS: 36017c478bd9Sstevel@tonic-gate err_print(CANT_LOAD_SYSCALL); 36027c478bd9Sstevel@tonic-gate break; 36037c478bd9Sstevel@tonic-gate case EPERM: 36047c478bd9Sstevel@tonic-gate err_print(SUPER_TO_SYNC); 36057c478bd9Sstevel@tonic-gate break; 36067c478bd9Sstevel@tonic-gate default: 36077c478bd9Sstevel@tonic-gate err_print(INSTSYNC_FAILED, filename, strerror(err)); 36087c478bd9Sstevel@tonic-gate break; 36097c478bd9Sstevel@tonic-gate } 36107c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 36117c478bd9Sstevel@tonic-gate } 36127c478bd9Sstevel@tonic-gate 36137c478bd9Sstevel@tonic-gate /* 36147c478bd9Sstevel@tonic-gate * Flush the kernel's path_to_inst database to /etc/path_to_inst. To do so 36157c478bd9Sstevel@tonic-gate * safely, the database is flushed to a temporary file, then moved into place. 36167c478bd9Sstevel@tonic-gate * 36177c478bd9Sstevel@tonic-gate * The following files are used during this process: 36187c478bd9Sstevel@tonic-gate * /etc/path_to_inst: The path_to_inst file 36197c478bd9Sstevel@tonic-gate * /etc/path_to_inst.<pid>: Contains data flushed from the kernel 36207c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old: The backup file 36217c478bd9Sstevel@tonic-gate * /etc/path_to_inst.old.<pid>: Temp file for creating backup 36227c478bd9Sstevel@tonic-gate * 36237c478bd9Sstevel@tonic-gate */ 36247c478bd9Sstevel@tonic-gate static void 36257c478bd9Sstevel@tonic-gate flush_path_to_inst(void) 36267c478bd9Sstevel@tonic-gate { 36277c478bd9Sstevel@tonic-gate char *new_inst_file = NULL; 36287c478bd9Sstevel@tonic-gate char *old_inst_file = NULL; 36297c478bd9Sstevel@tonic-gate char *old_inst_file_npid = NULL; 36307c478bd9Sstevel@tonic-gate FILE *inst_file_fp = NULL; 36317c478bd9Sstevel@tonic-gate FILE *old_inst_file_fp = NULL; 36327c478bd9Sstevel@tonic-gate struct stat sb; 36337c478bd9Sstevel@tonic-gate int err = 0; 36347c478bd9Sstevel@tonic-gate int c; 36357c478bd9Sstevel@tonic-gate int inst_strlen; 36367c478bd9Sstevel@tonic-gate 36377c478bd9Sstevel@tonic-gate vprint(PATH2INST_MID, "flush_path_to_inst: %s\n", 36387c478bd9Sstevel@tonic-gate (flush_path_to_inst_enable == TRUE) ? "ENABLED" : "DISABLED"); 36397c478bd9Sstevel@tonic-gate 36407c478bd9Sstevel@tonic-gate if (flush_path_to_inst_enable == FALSE) { 36417c478bd9Sstevel@tonic-gate return; 36427c478bd9Sstevel@tonic-gate } 36437c478bd9Sstevel@tonic-gate 36447c478bd9Sstevel@tonic-gate inst_strlen = strlen(inst_file); 36457c478bd9Sstevel@tonic-gate new_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 2); 36467c478bd9Sstevel@tonic-gate old_inst_file = s_malloc(inst_strlen + PID_STR_LEN + 6); 36477c478bd9Sstevel@tonic-gate old_inst_file_npid = s_malloc(inst_strlen + 36487c478bd9Sstevel@tonic-gate sizeof (INSTANCE_FILE_SUFFIX)); 36497c478bd9Sstevel@tonic-gate 36507c478bd9Sstevel@tonic-gate (void) snprintf(new_inst_file, inst_strlen + PID_STR_LEN + 2, 36517c478bd9Sstevel@tonic-gate "%s.%ld", inst_file, getpid()); 36527c478bd9Sstevel@tonic-gate 36537c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 36547c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 36557c478bd9Sstevel@tonic-gate } 36567c478bd9Sstevel@tonic-gate 36577c478bd9Sstevel@tonic-gate if ((err = do_inst_sync(new_inst_file)) != DEVFSADM_SUCCESS) { 36587c478bd9Sstevel@tonic-gate goto out; 36597c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 36607c478bd9Sstevel@tonic-gate } 36617c478bd9Sstevel@tonic-gate 36627c478bd9Sstevel@tonic-gate /* 36637c478bd9Sstevel@tonic-gate * Now we deal with the somewhat tricky updating and renaming 36647c478bd9Sstevel@tonic-gate * of this critical piece of kernel state. 36657c478bd9Sstevel@tonic-gate */ 36667c478bd9Sstevel@tonic-gate 36677c478bd9Sstevel@tonic-gate /* 36687c478bd9Sstevel@tonic-gate * Copy the current instance file into a temporary file. 36697c478bd9Sstevel@tonic-gate * Then rename the temporary file into the backup (.old) 36707c478bd9Sstevel@tonic-gate * file and rename the newly flushed kernel data into 36717c478bd9Sstevel@tonic-gate * the instance file. 36727c478bd9Sstevel@tonic-gate * Of course if 'inst_file' doesn't exist, there's much 36737c478bd9Sstevel@tonic-gate * less for us to do .. tee hee. 36747c478bd9Sstevel@tonic-gate */ 36757c478bd9Sstevel@tonic-gate if ((inst_file_fp = fopen(inst_file, "r")) == NULL) { 36767c478bd9Sstevel@tonic-gate /* 36777c478bd9Sstevel@tonic-gate * No such file. Rename the new onto the old 36787c478bd9Sstevel@tonic-gate */ 36797c478bd9Sstevel@tonic-gate if ((err = rename(new_inst_file, inst_file)) != 0) 36807c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 36817c478bd9Sstevel@tonic-gate goto out; 36827c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 36837c478bd9Sstevel@tonic-gate } 36847c478bd9Sstevel@tonic-gate 36857c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file, inst_strlen + PID_STR_LEN + 6, 36867c478bd9Sstevel@tonic-gate "%s.old.%ld", inst_file, getpid()); 36877c478bd9Sstevel@tonic-gate 36887c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 36897c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 36907c478bd9Sstevel@tonic-gate } 36917c478bd9Sstevel@tonic-gate 36927c478bd9Sstevel@tonic-gate if ((old_inst_file_fp = fopen(old_inst_file, "w")) == NULL) { 36937c478bd9Sstevel@tonic-gate /* 36947c478bd9Sstevel@tonic-gate * Can't open the 'old_inst_file' file for writing. 36957c478bd9Sstevel@tonic-gate * This is somewhat strange given that the syscall 36967c478bd9Sstevel@tonic-gate * just succeeded to write a file out.. hmm.. maybe 36977c478bd9Sstevel@tonic-gate * the fs just filled up or something nasty. 36987c478bd9Sstevel@tonic-gate * 36997c478bd9Sstevel@tonic-gate * Anyway, abort what we've done so far. 37007c478bd9Sstevel@tonic-gate */ 37017c478bd9Sstevel@tonic-gate err_print(CANT_UPDATE, old_inst_file); 37027c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 37037c478bd9Sstevel@tonic-gate goto out; 37047c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 37057c478bd9Sstevel@tonic-gate } 37067c478bd9Sstevel@tonic-gate 37077c478bd9Sstevel@tonic-gate /* 37087c478bd9Sstevel@tonic-gate * Copy current instance file into the temporary file 37097c478bd9Sstevel@tonic-gate */ 37107c478bd9Sstevel@tonic-gate err = 0; 37117c478bd9Sstevel@tonic-gate while ((c = getc(inst_file_fp)) != EOF) { 37127c478bd9Sstevel@tonic-gate if ((err = putc(c, old_inst_file_fp)) == EOF) { 37137c478bd9Sstevel@tonic-gate break; 37147c478bd9Sstevel@tonic-gate } 37157c478bd9Sstevel@tonic-gate } 37167c478bd9Sstevel@tonic-gate 37177c478bd9Sstevel@tonic-gate if (fclose(old_inst_file_fp) == EOF || err == EOF) { 37187c478bd9Sstevel@tonic-gate vprint(INFO_MID, CANT_UPDATE, old_inst_file); 37197c478bd9Sstevel@tonic-gate err = DEVFSADM_FAILURE; 37207c478bd9Sstevel@tonic-gate goto out; 37217c478bd9Sstevel@tonic-gate /* NOTREACHED */ 37227c478bd9Sstevel@tonic-gate } 37237c478bd9Sstevel@tonic-gate 37247c478bd9Sstevel@tonic-gate /* 37257c478bd9Sstevel@tonic-gate * Set permissions to be the same on the backup as 37267c478bd9Sstevel@tonic-gate * /etc/path_to_inst. 37277c478bd9Sstevel@tonic-gate */ 37287c478bd9Sstevel@tonic-gate (void) chmod(old_inst_file, 0444); 37297c478bd9Sstevel@tonic-gate 37307c478bd9Sstevel@tonic-gate /* 37317c478bd9Sstevel@tonic-gate * So far, everything we've done is more or less reversible. 37327c478bd9Sstevel@tonic-gate * But now we're going to commit ourselves. 37337c478bd9Sstevel@tonic-gate */ 37347c478bd9Sstevel@tonic-gate 37357c478bd9Sstevel@tonic-gate (void) snprintf(old_inst_file_npid, 37367c478bd9Sstevel@tonic-gate inst_strlen + sizeof (INSTANCE_FILE_SUFFIX), 37377c478bd9Sstevel@tonic-gate "%s%s", inst_file, INSTANCE_FILE_SUFFIX); 37387c478bd9Sstevel@tonic-gate 37397c478bd9Sstevel@tonic-gate if ((err = rename(old_inst_file, old_inst_file_npid)) != 0) { 37407c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, old_inst_file_npid, 37417c478bd9Sstevel@tonic-gate strerror(errno)); 37427c478bd9Sstevel@tonic-gate } else if ((err = rename(new_inst_file, inst_file)) != 0) { 37437c478bd9Sstevel@tonic-gate err_print(RENAME_FAILED, inst_file, strerror(errno)); 37447c478bd9Sstevel@tonic-gate } 37457c478bd9Sstevel@tonic-gate 37467c478bd9Sstevel@tonic-gate out: 37477c478bd9Sstevel@tonic-gate if (inst_file_fp != NULL) { 37487c478bd9Sstevel@tonic-gate if (fclose(inst_file_fp) == EOF) { 37497c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, inst_file, strerror(errno)); 37507c478bd9Sstevel@tonic-gate } 37517c478bd9Sstevel@tonic-gate } 37527c478bd9Sstevel@tonic-gate 37537c478bd9Sstevel@tonic-gate if (stat(new_inst_file, &sb) == 0) { 37547c478bd9Sstevel@tonic-gate s_unlink(new_inst_file); 37557c478bd9Sstevel@tonic-gate } 37567c478bd9Sstevel@tonic-gate free(new_inst_file); 37577c478bd9Sstevel@tonic-gate 37587c478bd9Sstevel@tonic-gate if (stat(old_inst_file, &sb) == 0) { 37597c478bd9Sstevel@tonic-gate s_unlink(old_inst_file); 37607c478bd9Sstevel@tonic-gate } 37617c478bd9Sstevel@tonic-gate free(old_inst_file); 37627c478bd9Sstevel@tonic-gate 37637c478bd9Sstevel@tonic-gate free(old_inst_file_npid); 37647c478bd9Sstevel@tonic-gate 37657c478bd9Sstevel@tonic-gate if (err != 0 && err != EALREADY) { 37667c478bd9Sstevel@tonic-gate err_print(FAILED_TO_UPDATE, inst_file); 37677c478bd9Sstevel@tonic-gate } 37687c478bd9Sstevel@tonic-gate } 37697c478bd9Sstevel@tonic-gate 37707c478bd9Sstevel@tonic-gate /* 37717c478bd9Sstevel@tonic-gate * detach from tty. For daemon mode. 37727c478bd9Sstevel@tonic-gate */ 37737c478bd9Sstevel@tonic-gate void 37747c478bd9Sstevel@tonic-gate detachfromtty() 37757c478bd9Sstevel@tonic-gate { 37767c478bd9Sstevel@tonic-gate (void) setsid(); 37777c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON == TRUE) { 37787c478bd9Sstevel@tonic-gate return; 37797c478bd9Sstevel@tonic-gate } 37807c478bd9Sstevel@tonic-gate 37817c478bd9Sstevel@tonic-gate (void) close(0); 37827c478bd9Sstevel@tonic-gate (void) close(1); 37837c478bd9Sstevel@tonic-gate (void) close(2); 37847c478bd9Sstevel@tonic-gate (void) open("/dev/null", O_RDWR, 0); 37857c478bd9Sstevel@tonic-gate (void) dup(0); 37867c478bd9Sstevel@tonic-gate (void) dup(0); 37877c478bd9Sstevel@tonic-gate openlog(DEVFSADMD, LOG_PID, LOG_DAEMON); 37887c478bd9Sstevel@tonic-gate (void) setlogmask(LOG_UPTO(LOG_INFO)); 37897c478bd9Sstevel@tonic-gate logflag = TRUE; 37907c478bd9Sstevel@tonic-gate } 37917c478bd9Sstevel@tonic-gate 37927c478bd9Sstevel@tonic-gate /* 37937c478bd9Sstevel@tonic-gate * Use an advisory lock to synchronize updates to /dev. If the lock is 37947c478bd9Sstevel@tonic-gate * held by another process, block in the fcntl() system call until that 37957c478bd9Sstevel@tonic-gate * process drops the lock or exits. The lock file itself is 37967c478bd9Sstevel@tonic-gate * DEV_LOCK_FILE. The process id of the current and last process owning 37977c478bd9Sstevel@tonic-gate * the lock is kept in the lock file. After acquiring the lock, read the 37987c478bd9Sstevel@tonic-gate * process id and return it. It is the process ID which last owned the 37997c478bd9Sstevel@tonic-gate * lock, and will be used to determine if caches need to be flushed. 38007c478bd9Sstevel@tonic-gate * 38017c478bd9Sstevel@tonic-gate * NOTE: if the devlink database is held open by the caller, it may 38027c478bd9Sstevel@tonic-gate * be closed by this routine. This is to enforce the following lock ordering: 38037c478bd9Sstevel@tonic-gate * 1) /dev lock 2) database open 38047c478bd9Sstevel@tonic-gate */ 38057c478bd9Sstevel@tonic-gate pid_t 38067c478bd9Sstevel@tonic-gate enter_dev_lock() 38077c478bd9Sstevel@tonic-gate { 38087c478bd9Sstevel@tonic-gate struct flock lock; 38097c478bd9Sstevel@tonic-gate int n; 38107c478bd9Sstevel@tonic-gate pid_t pid; 38117c478bd9Sstevel@tonic-gate pid_t last_owner_pid; 38127c478bd9Sstevel@tonic-gate 38137c478bd9Sstevel@tonic-gate if (file_mods == FALSE) { 38147c478bd9Sstevel@tonic-gate return (0); 38157c478bd9Sstevel@tonic-gate } 38167c478bd9Sstevel@tonic-gate 38177c478bd9Sstevel@tonic-gate (void) snprintf(dev_lockfile, sizeof (dev_lockfile), 3818facf4a8dSllai "%s/%s", etc_dev_dir, DEV_LOCK_FILE); 38197c478bd9Sstevel@tonic-gate 38207c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_dev_lock: lock file %s\n", dev_lockfile); 38217c478bd9Sstevel@tonic-gate 38227c478bd9Sstevel@tonic-gate dev_lock_fd = open(dev_lockfile, O_CREAT|O_RDWR, 0644); 38237c478bd9Sstevel@tonic-gate if (dev_lock_fd < 0) { 38247c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, dev_lockfile, strerror(errno)); 38257c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38267c478bd9Sstevel@tonic-gate } 38277c478bd9Sstevel@tonic-gate 38287c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 38297c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 38307c478bd9Sstevel@tonic-gate lock.l_start = 0; 38317c478bd9Sstevel@tonic-gate lock.l_len = 0; 38327c478bd9Sstevel@tonic-gate 38337c478bd9Sstevel@tonic-gate /* try for the lock, but don't wait */ 38347c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &lock) == -1) { 38357c478bd9Sstevel@tonic-gate if ((errno == EACCES) || (errno == EAGAIN)) { 38367c478bd9Sstevel@tonic-gate pid = 0; 38377c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 38387c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "waiting for PID %d to complete\n", 38397c478bd9Sstevel@tonic-gate (int)pid); 38407c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 38417c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, 38427c478bd9Sstevel@tonic-gate strerror(errno)); 38437c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38447c478bd9Sstevel@tonic-gate } 38457c478bd9Sstevel@tonic-gate /* 38467c478bd9Sstevel@tonic-gate * wait for the dev lock. If we have the database open, 38477c478bd9Sstevel@tonic-gate * close it first - the order of lock acquisition should 38487c478bd9Sstevel@tonic-gate * always be: 1) dev_lock 2) database 38497c478bd9Sstevel@tonic-gate * This is to prevent deadlocks with any locks the 38507c478bd9Sstevel@tonic-gate * database code may hold. 38517c478bd9Sstevel@tonic-gate */ 38527c478bd9Sstevel@tonic-gate (void) di_devlink_close(&devlink_cache, 0); 3853f05faa4eSjacobs 3854f05faa4eSjacobs /* send any sysevents that were queued up. */ 3855f05faa4eSjacobs process_syseventq(); 3856f05faa4eSjacobs 38577c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLKW, &lock) == -1) { 38587c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, dev_lockfile, 38597c478bd9Sstevel@tonic-gate strerror(errno)); 38607c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38617c478bd9Sstevel@tonic-gate } 38627c478bd9Sstevel@tonic-gate } 38637c478bd9Sstevel@tonic-gate } 38647c478bd9Sstevel@tonic-gate 38657c478bd9Sstevel@tonic-gate hold_dev_lock = TRUE; 38667c478bd9Sstevel@tonic-gate pid = 0; 38677c478bd9Sstevel@tonic-gate n = read(dev_lock_fd, &pid, sizeof (pid_t)); 38687c478bd9Sstevel@tonic-gate if (n == sizeof (pid_t) && pid == getpid()) { 38697c478bd9Sstevel@tonic-gate return (pid); 38707c478bd9Sstevel@tonic-gate } 38717c478bd9Sstevel@tonic-gate 38727c478bd9Sstevel@tonic-gate last_owner_pid = pid; 38737c478bd9Sstevel@tonic-gate 38747c478bd9Sstevel@tonic-gate if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) { 38757c478bd9Sstevel@tonic-gate err_print(LSEEK_FAILED, dev_lockfile, strerror(errno)); 38767c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38777c478bd9Sstevel@tonic-gate } 38787c478bd9Sstevel@tonic-gate pid = getpid(); 38797c478bd9Sstevel@tonic-gate n = write(dev_lock_fd, &pid, sizeof (pid_t)); 38807c478bd9Sstevel@tonic-gate if (n != sizeof (pid_t)) { 38817c478bd9Sstevel@tonic-gate err_print(WRITE_FAILED, dev_lockfile, strerror(errno)); 38827c478bd9Sstevel@tonic-gate devfsadm_exit(1); 38837c478bd9Sstevel@tonic-gate } 38847c478bd9Sstevel@tonic-gate 38857c478bd9Sstevel@tonic-gate return (last_owner_pid); 38867c478bd9Sstevel@tonic-gate } 38877c478bd9Sstevel@tonic-gate 38887c478bd9Sstevel@tonic-gate /* 38897c478bd9Sstevel@tonic-gate * Drop the advisory /dev lock, close lock file. Close and re-open the 38907c478bd9Sstevel@tonic-gate * file every time so to ensure a resync if for some reason the lock file 38917c478bd9Sstevel@tonic-gate * gets removed. 38927c478bd9Sstevel@tonic-gate */ 38937c478bd9Sstevel@tonic-gate void 38947c478bd9Sstevel@tonic-gate exit_dev_lock() 38957c478bd9Sstevel@tonic-gate { 38967c478bd9Sstevel@tonic-gate struct flock unlock; 38977c478bd9Sstevel@tonic-gate 38987c478bd9Sstevel@tonic-gate if (hold_dev_lock == FALSE) { 38997c478bd9Sstevel@tonic-gate return; 39007c478bd9Sstevel@tonic-gate } 39017c478bd9Sstevel@tonic-gate 39027c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "exit_dev_lock: lock file %s\n", dev_lockfile); 39037c478bd9Sstevel@tonic-gate 39047c478bd9Sstevel@tonic-gate unlock.l_type = F_UNLCK; 39057c478bd9Sstevel@tonic-gate unlock.l_whence = SEEK_SET; 39067c478bd9Sstevel@tonic-gate unlock.l_start = 0; 39077c478bd9Sstevel@tonic-gate unlock.l_len = 0; 39087c478bd9Sstevel@tonic-gate 39097c478bd9Sstevel@tonic-gate if (fcntl(dev_lock_fd, F_SETLK, &unlock) == -1) { 39107c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, dev_lockfile, strerror(errno)); 39117c478bd9Sstevel@tonic-gate } 39127c478bd9Sstevel@tonic-gate 39137c478bd9Sstevel@tonic-gate hold_dev_lock = FALSE; 39147c478bd9Sstevel@tonic-gate 39157c478bd9Sstevel@tonic-gate if (close(dev_lock_fd) == -1) { 39167c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, dev_lockfile, strerror(errno)); 39177c478bd9Sstevel@tonic-gate devfsadm_exit(1); 39187c478bd9Sstevel@tonic-gate } 39197c478bd9Sstevel@tonic-gate } 39207c478bd9Sstevel@tonic-gate 39217c478bd9Sstevel@tonic-gate /* 39227c478bd9Sstevel@tonic-gate * 39237c478bd9Sstevel@tonic-gate * Use an advisory lock to ensure that only one daemon process is active 39247c478bd9Sstevel@tonic-gate * in the system at any point in time. If the lock is held by another 39257c478bd9Sstevel@tonic-gate * process, do not block but return the pid owner of the lock to the 39267c478bd9Sstevel@tonic-gate * caller immediately. The lock is cleared if the holding daemon process 39277c478bd9Sstevel@tonic-gate * exits for any reason even if the lock file remains, so the daemon can 39287c478bd9Sstevel@tonic-gate * be restarted if necessary. The lock file is DAEMON_LOCK_FILE. 39297c478bd9Sstevel@tonic-gate */ 39307c478bd9Sstevel@tonic-gate pid_t 39317c478bd9Sstevel@tonic-gate enter_daemon_lock(void) 39327c478bd9Sstevel@tonic-gate { 39337c478bd9Sstevel@tonic-gate struct flock lock; 39347c478bd9Sstevel@tonic-gate 39357c478bd9Sstevel@tonic-gate (void) snprintf(daemon_lockfile, sizeof (daemon_lockfile), 3936facf4a8dSllai "%s/%s", etc_dev_dir, DAEMON_LOCK_FILE); 39377c478bd9Sstevel@tonic-gate 39387c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "enter_daemon_lock: lock file %s\n", daemon_lockfile); 39397c478bd9Sstevel@tonic-gate 39407c478bd9Sstevel@tonic-gate daemon_lock_fd = open(daemon_lockfile, O_CREAT|O_RDWR, 0644); 39417c478bd9Sstevel@tonic-gate if (daemon_lock_fd < 0) { 39427c478bd9Sstevel@tonic-gate err_print(OPEN_FAILED, daemon_lockfile, strerror(errno)); 39437c478bd9Sstevel@tonic-gate devfsadm_exit(1); 39447c478bd9Sstevel@tonic-gate } 39457c478bd9Sstevel@tonic-gate 39467c478bd9Sstevel@tonic-gate lock.l_type = F_WRLCK; 39477c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 39487c478bd9Sstevel@tonic-gate lock.l_start = 0; 39497c478bd9Sstevel@tonic-gate lock.l_len = 0; 39507c478bd9Sstevel@tonic-gate 39517c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 39527c478bd9Sstevel@tonic-gate 39537c478bd9Sstevel@tonic-gate if (errno == EAGAIN || errno == EDEADLK) { 39547c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_GETLK, &lock) == -1) { 39557c478bd9Sstevel@tonic-gate err_print(LOCK_FAILED, daemon_lockfile, 39567c478bd9Sstevel@tonic-gate strerror(errno)); 39577c478bd9Sstevel@tonic-gate devfsadm_exit(1); 39587c478bd9Sstevel@tonic-gate } 39597c478bd9Sstevel@tonic-gate return (lock.l_pid); 39607c478bd9Sstevel@tonic-gate } 39617c478bd9Sstevel@tonic-gate } 39627c478bd9Sstevel@tonic-gate hold_daemon_lock = TRUE; 39637c478bd9Sstevel@tonic-gate return (getpid()); 39647c478bd9Sstevel@tonic-gate } 39657c478bd9Sstevel@tonic-gate 39667c478bd9Sstevel@tonic-gate /* 39677c478bd9Sstevel@tonic-gate * Drop the advisory daemon lock, close lock file 39687c478bd9Sstevel@tonic-gate */ 39697c478bd9Sstevel@tonic-gate void 39707c478bd9Sstevel@tonic-gate exit_daemon_lock(void) 39717c478bd9Sstevel@tonic-gate { 39727c478bd9Sstevel@tonic-gate struct flock lock; 39737c478bd9Sstevel@tonic-gate 39747c478bd9Sstevel@tonic-gate if (hold_daemon_lock == FALSE) { 39757c478bd9Sstevel@tonic-gate return; 39767c478bd9Sstevel@tonic-gate } 39777c478bd9Sstevel@tonic-gate 39787c478bd9Sstevel@tonic-gate vprint(LOCK_MID, "exit_daemon_lock: lock file %s\n", daemon_lockfile); 39797c478bd9Sstevel@tonic-gate 39807c478bd9Sstevel@tonic-gate lock.l_type = F_UNLCK; 39817c478bd9Sstevel@tonic-gate lock.l_whence = SEEK_SET; 39827c478bd9Sstevel@tonic-gate lock.l_start = 0; 39837c478bd9Sstevel@tonic-gate lock.l_len = 0; 39847c478bd9Sstevel@tonic-gate 39857c478bd9Sstevel@tonic-gate if (fcntl(daemon_lock_fd, F_SETLK, &lock) == -1) { 39867c478bd9Sstevel@tonic-gate err_print(UNLOCK_FAILED, daemon_lockfile, strerror(errno)); 39877c478bd9Sstevel@tonic-gate } 39887c478bd9Sstevel@tonic-gate 39897c478bd9Sstevel@tonic-gate if (close(daemon_lock_fd) == -1) { 39907c478bd9Sstevel@tonic-gate err_print(CLOSE_FAILED, daemon_lockfile, strerror(errno)); 39917c478bd9Sstevel@tonic-gate devfsadm_exit(1); 39927c478bd9Sstevel@tonic-gate } 39937c478bd9Sstevel@tonic-gate } 39947c478bd9Sstevel@tonic-gate 39957c478bd9Sstevel@tonic-gate /* 39967c478bd9Sstevel@tonic-gate * Called to removed danging nodes in two different modes: RM_PRE, RM_POST. 39977c478bd9Sstevel@tonic-gate * RM_PRE mode is called before processing the entire devinfo tree, and RM_POST 39987c478bd9Sstevel@tonic-gate * is called after processing the entire devinfo tree. 39997c478bd9Sstevel@tonic-gate */ 40007c478bd9Sstevel@tonic-gate static void 40017c478bd9Sstevel@tonic-gate pre_and_post_cleanup(int flags) 40027c478bd9Sstevel@tonic-gate { 40037c478bd9Sstevel@tonic-gate remove_list_t *rm; 40047c478bd9Sstevel@tonic-gate recurse_dev_t rd; 40057c478bd9Sstevel@tonic-gate cleanup_data_t cleanup_data; 40067c478bd9Sstevel@tonic-gate char *fcn = "pre_and_post_cleanup: "; 40077c478bd9Sstevel@tonic-gate 40087c478bd9Sstevel@tonic-gate if (build_dev == FALSE) 40097c478bd9Sstevel@tonic-gate return; 40107c478bd9Sstevel@tonic-gate 40117c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "attempting %s-cleanup\n", 40127c478bd9Sstevel@tonic-gate flags == RM_PRE ? "pre" : "post"); 40137c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%sflags = %d\n", fcn, flags); 40147c478bd9Sstevel@tonic-gate 40157c478bd9Sstevel@tonic-gate /* 40167c478bd9Sstevel@tonic-gate * the generic function recurse_dev_re is shared among different 40177c478bd9Sstevel@tonic-gate * functions, so set the method and data that it should use for 40187c478bd9Sstevel@tonic-gate * matches. 40197c478bd9Sstevel@tonic-gate */ 40207c478bd9Sstevel@tonic-gate rd.fcn = matching_dev; 40217c478bd9Sstevel@tonic-gate rd.data = (void *)&cleanup_data; 40227c478bd9Sstevel@tonic-gate cleanup_data.flags = flags; 40237c478bd9Sstevel@tonic-gate 4024aa646b9dSvikram (void) mutex_lock(&nfp_mutex); 4025aa646b9dSvikram nfphash_create(); 4026aa646b9dSvikram 40277c478bd9Sstevel@tonic-gate for (rm = remove_head; rm != NULL; rm = rm->next) { 40287c478bd9Sstevel@tonic-gate if ((flags & rm->remove->flags) == flags) { 40297c478bd9Sstevel@tonic-gate cleanup_data.rm = rm; 40307c478bd9Sstevel@tonic-gate /* 40317c478bd9Sstevel@tonic-gate * If reached this point, RM_PRE or RM_POST cleanup is 40327c478bd9Sstevel@tonic-gate * desired. clean_ok() decides whether to clean 40337c478bd9Sstevel@tonic-gate * under the given circumstances. 40347c478bd9Sstevel@tonic-gate */ 40357c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%scleanup: PRE or POST\n", fcn); 40367c478bd9Sstevel@tonic-gate if (clean_ok(rm->remove) == DEVFSADM_SUCCESS) { 40377c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "cleanup: cleanup OK\n"); 40387c478bd9Sstevel@tonic-gate recurse_dev_re(dev_dir, rm->remove-> 40397c478bd9Sstevel@tonic-gate dev_dirs_re, &rd); 40407c478bd9Sstevel@tonic-gate } 40417c478bd9Sstevel@tonic-gate } 40427c478bd9Sstevel@tonic-gate } 4043aa646b9dSvikram nfphash_destroy(); 4044aa646b9dSvikram (void) mutex_unlock(&nfp_mutex); 40457c478bd9Sstevel@tonic-gate } 40467c478bd9Sstevel@tonic-gate 40477c478bd9Sstevel@tonic-gate /* 40487c478bd9Sstevel@tonic-gate * clean_ok() determines whether cleanup should be done according 40497c478bd9Sstevel@tonic-gate * to the following matrix: 40507c478bd9Sstevel@tonic-gate * 40517c478bd9Sstevel@tonic-gate * command line arguments RM_PRE RM_POST RM_PRE && RM_POST && 40527c478bd9Sstevel@tonic-gate * RM_ALWAYS RM_ALWAYS 40537c478bd9Sstevel@tonic-gate * ---------------------- ------ ----- --------- ---------- 40547c478bd9Sstevel@tonic-gate * 40557c478bd9Sstevel@tonic-gate * <neither -c nor -C> - - pre-clean post-clean 40567c478bd9Sstevel@tonic-gate * 40577c478bd9Sstevel@tonic-gate * -C pre-clean post-clean pre-clean post-clean 40587c478bd9Sstevel@tonic-gate * 40597c478bd9Sstevel@tonic-gate * -C -c class pre-clean post-clean pre-clean post-clean 40607c478bd9Sstevel@tonic-gate * if class if class if class if class 40617c478bd9Sstevel@tonic-gate * matches matches matches matches 40627c478bd9Sstevel@tonic-gate * 40637c478bd9Sstevel@tonic-gate * -c class - - pre-clean post-clean 40647c478bd9Sstevel@tonic-gate * if class if class 40657c478bd9Sstevel@tonic-gate * matches matches 40667c478bd9Sstevel@tonic-gate * 40677c478bd9Sstevel@tonic-gate */ 40687c478bd9Sstevel@tonic-gate static int 4069aa646b9dSvikram clean_ok(devfsadm_remove_V1_t *remove) 40707c478bd9Sstevel@tonic-gate { 40717c478bd9Sstevel@tonic-gate int i; 40727c478bd9Sstevel@tonic-gate 40737c478bd9Sstevel@tonic-gate if (single_drv == TRUE) { 40747c478bd9Sstevel@tonic-gate /* no cleanup at all when using -i option */ 40757c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40767c478bd9Sstevel@tonic-gate } 40777c478bd9Sstevel@tonic-gate 40787c478bd9Sstevel@tonic-gate /* 40797c478bd9Sstevel@tonic-gate * no cleanup if drivers are not loaded. We make an exception 40807c478bd9Sstevel@tonic-gate * for the "disks" program however, since disks has a public 40817c478bd9Sstevel@tonic-gate * cleanup flag (-C) and disk drivers are usually never 40827c478bd9Sstevel@tonic-gate * unloaded. 40837c478bd9Sstevel@tonic-gate */ 40847c478bd9Sstevel@tonic-gate if (load_attach_drv == FALSE && strcmp(prog, DISKS) != 0) { 40857c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40867c478bd9Sstevel@tonic-gate } 40877c478bd9Sstevel@tonic-gate 40887c478bd9Sstevel@tonic-gate /* if the cleanup flag was not specified, return false */ 40897c478bd9Sstevel@tonic-gate if ((cleanup == FALSE) && ((remove->flags & RM_ALWAYS) == 0)) { 40907c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 40917c478bd9Sstevel@tonic-gate } 40927c478bd9Sstevel@tonic-gate 40937c478bd9Sstevel@tonic-gate if (num_classes == 0) { 40947c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 40957c478bd9Sstevel@tonic-gate } 40967c478bd9Sstevel@tonic-gate 40977c478bd9Sstevel@tonic-gate /* 40987c478bd9Sstevel@tonic-gate * if reached this point, check to see if the class in the given 40997c478bd9Sstevel@tonic-gate * remove structure matches a class given on the command line 41007c478bd9Sstevel@tonic-gate */ 41017c478bd9Sstevel@tonic-gate 41027c478bd9Sstevel@tonic-gate for (i = 0; i < num_classes; i++) { 41037c478bd9Sstevel@tonic-gate if (strcmp(remove->device_class, classes[i]) == 0) { 41047c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 41057c478bd9Sstevel@tonic-gate } 41067c478bd9Sstevel@tonic-gate } 41077c478bd9Sstevel@tonic-gate 41087c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 41097c478bd9Sstevel@tonic-gate } 41107c478bd9Sstevel@tonic-gate 41117c478bd9Sstevel@tonic-gate /* 41127c478bd9Sstevel@tonic-gate * Called to remove dangling nodes after receiving a hotplug event 41137c478bd9Sstevel@tonic-gate * containing the physical node pathname to be removed. 41147c478bd9Sstevel@tonic-gate */ 41157c478bd9Sstevel@tonic-gate void 41167c478bd9Sstevel@tonic-gate hot_cleanup(char *node_path, char *minor_name, char *ev_subclass, 41177c478bd9Sstevel@tonic-gate char *driver_name, int instance) 41187c478bd9Sstevel@tonic-gate { 41197c478bd9Sstevel@tonic-gate link_t *link; 41207c478bd9Sstevel@tonic-gate linkhead_t *head; 41217c478bd9Sstevel@tonic-gate remove_list_t *rm; 41227c478bd9Sstevel@tonic-gate char *fcn = "hot_cleanup: "; 41237c478bd9Sstevel@tonic-gate char path[PATH_MAX + 1]; 41247c478bd9Sstevel@tonic-gate int path_len; 41257c478bd9Sstevel@tonic-gate char rmlink[PATH_MAX + 1]; 41267c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 4127fb9251a6Scth int skip; 4128aa646b9dSvikram int ret; 41297c478bd9Sstevel@tonic-gate 41307c478bd9Sstevel@tonic-gate /* 41317c478bd9Sstevel@tonic-gate * dev links can go away as part of hot cleanup. 41327c478bd9Sstevel@tonic-gate * So first build event attributes in order capture dev links. 41337c478bd9Sstevel@tonic-gate */ 41347c478bd9Sstevel@tonic-gate if (ev_subclass != NULL) 41357c478bd9Sstevel@tonic-gate nvl = build_event_attributes(EC_DEV_REMOVE, ev_subclass, 413630294554Sphitran node_path, DI_NODE_NIL, driver_name, instance, minor_name); 41377c478bd9Sstevel@tonic-gate 41387c478bd9Sstevel@tonic-gate (void) strcpy(path, node_path); 41397c478bd9Sstevel@tonic-gate (void) strcat(path, ":"); 41407c478bd9Sstevel@tonic-gate (void) strcat(path, minor_name == NULL ? "" : minor_name); 41417c478bd9Sstevel@tonic-gate 41427c478bd9Sstevel@tonic-gate path_len = strlen(path); 41437c478bd9Sstevel@tonic-gate 41447c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%spath=%s\n", fcn, path); 41457c478bd9Sstevel@tonic-gate 4146aa646b9dSvikram (void) mutex_lock(&nfp_mutex); 4147aa646b9dSvikram nfphash_create(); 4148aa646b9dSvikram 41497c478bd9Sstevel@tonic-gate for (rm = remove_head; rm != NULL; rm = rm->next) { 41507c478bd9Sstevel@tonic-gate if ((RM_HOT & rm->remove->flags) == RM_HOT) { 41517c478bd9Sstevel@tonic-gate head = get_cached_links(rm->remove->dev_dirs_re); 41527c478bd9Sstevel@tonic-gate assert(head->nextlink == NULL); 41537c478bd9Sstevel@tonic-gate for (link = head->link; 41547c478bd9Sstevel@tonic-gate link != NULL; link = head->nextlink) { 41557c478bd9Sstevel@tonic-gate /* 41567c478bd9Sstevel@tonic-gate * The remove callback below may remove 41577c478bd9Sstevel@tonic-gate * the current and/or any or all of the 41587c478bd9Sstevel@tonic-gate * subsequent links in the list. 41597c478bd9Sstevel@tonic-gate * Save the next link in the head. If 41607c478bd9Sstevel@tonic-gate * the callback removes the next link 41617c478bd9Sstevel@tonic-gate * the saved pointer in the head will be 41627c478bd9Sstevel@tonic-gate * updated by the callback to point at 41637c478bd9Sstevel@tonic-gate * the next valid link. 41647c478bd9Sstevel@tonic-gate */ 41657c478bd9Sstevel@tonic-gate head->nextlink = link->next; 4166aa646b9dSvikram 4167aa646b9dSvikram /* 4168aa646b9dSvikram * if devlink is in no-further-process hash, 4169aa646b9dSvikram * skip its remove 4170aa646b9dSvikram */ 4171aa646b9dSvikram if (nfphash_lookup(link->devlink) != NULL) 4172aa646b9dSvikram continue; 4173aa646b9dSvikram 4174fb9251a6Scth if (minor_name) 4175fb9251a6Scth skip = strcmp(link->contents, path); 4176fb9251a6Scth else 4177fb9251a6Scth skip = strncmp(link->contents, path, 4178fb9251a6Scth path_len); 4179fb9251a6Scth if (skip || 4180fb9251a6Scth (call_minor_init(rm->modptr) == 4181fb9251a6Scth DEVFSADM_FAILURE)) 4182fb9251a6Scth continue; 41837c478bd9Sstevel@tonic-gate 4184fb9251a6Scth vprint(REMOVE_MID, 4185fb9251a6Scth "%sremoving %s -> %s\n", fcn, 4186fb9251a6Scth link->devlink, link->contents); 4187fb9251a6Scth /* 4188fb9251a6Scth * Use a copy of the cached link name 4189fb9251a6Scth * as the cache entry will go away 4190fb9251a6Scth * during link removal 4191fb9251a6Scth */ 4192fb9251a6Scth (void) snprintf(rmlink, sizeof (rmlink), 4193fb9251a6Scth "%s", link->devlink); 4194aa646b9dSvikram if (rm->remove->flags & RM_NOINTERPOSE) { 4195aa646b9dSvikram ((void (*)(char *)) 4196aa646b9dSvikram (rm->remove->callback_fcn))(rmlink); 4197aa646b9dSvikram } else { 4198aa646b9dSvikram ret = ((int (*)(char *)) 4199aa646b9dSvikram (rm->remove->callback_fcn))(rmlink); 4200aa646b9dSvikram if (ret == DEVFSADM_TERMINATE) 4201aa646b9dSvikram nfphash_insert(rmlink); 4202aa646b9dSvikram } 42037c478bd9Sstevel@tonic-gate } 42047c478bd9Sstevel@tonic-gate } 42057c478bd9Sstevel@tonic-gate } 42067c478bd9Sstevel@tonic-gate 4207aa646b9dSvikram nfphash_destroy(); 4208aa646b9dSvikram (void) mutex_unlock(&nfp_mutex); 4209aa646b9dSvikram 421045916cd2Sjpk /* update device allocation database */ 421145916cd2Sjpk if (system_labeled) { 421245916cd2Sjpk int ret = 0; 421345916cd2Sjpk int devtype = 0; 421445916cd2Sjpk char devname[MAXNAMELEN]; 421545916cd2Sjpk 421645916cd2Sjpk devname[0] = '\0'; 421745916cd2Sjpk if (strstr(node_path, DA_SOUND_NAME)) 421845916cd2Sjpk devtype = DA_AUDIO; 421945916cd2Sjpk else if (strstr(node_path, "disk")) 422045916cd2Sjpk devtype = DA_RMDISK; 422145916cd2Sjpk else 422245916cd2Sjpk goto out; 422345916cd2Sjpk ret = da_remove_list(&devlist, NULL, devtype, devname, 422445916cd2Sjpk sizeof (devname)); 422545916cd2Sjpk if (ret != -1) 422645916cd2Sjpk (void) _update_devalloc_db(&devlist, devtype, DA_REMOVE, 422745916cd2Sjpk devname, root_dir); 422845916cd2Sjpk } 422945916cd2Sjpk 423045916cd2Sjpk out: 42317c478bd9Sstevel@tonic-gate /* now log an event */ 42327c478bd9Sstevel@tonic-gate if (nvl) { 42337c478bd9Sstevel@tonic-gate log_event(EC_DEV_REMOVE, ev_subclass, nvl); 42347c478bd9Sstevel@tonic-gate free(nvl); 42357c478bd9Sstevel@tonic-gate } 42367c478bd9Sstevel@tonic-gate } 42377c478bd9Sstevel@tonic-gate 42387c478bd9Sstevel@tonic-gate /* 42397c478bd9Sstevel@tonic-gate * Open the dir current_dir. For every file which matches the first dir 42407c478bd9Sstevel@tonic-gate * component of path_re, recurse. If there are no more *dir* path 42417c478bd9Sstevel@tonic-gate * components left in path_re (ie no more /), then call function rd->fcn. 42427c478bd9Sstevel@tonic-gate */ 42437c478bd9Sstevel@tonic-gate static void 42447c478bd9Sstevel@tonic-gate recurse_dev_re(char *current_dir, char *path_re, recurse_dev_t *rd) 42457c478bd9Sstevel@tonic-gate { 42467c478bd9Sstevel@tonic-gate regex_t re1; 42477c478bd9Sstevel@tonic-gate char *slash; 42487c478bd9Sstevel@tonic-gate char new_path[PATH_MAX + 1]; 42497c478bd9Sstevel@tonic-gate char *anchored_path_re; 42507c478bd9Sstevel@tonic-gate size_t len; 425173de625bSjg finddevhdl_t fhandle; 425273de625bSjg const char *fp; 42537c478bd9Sstevel@tonic-gate 42547c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: curr = %s path=%s\n", 42557c478bd9Sstevel@tonic-gate current_dir, path_re); 42567c478bd9Sstevel@tonic-gate 425773de625bSjg if (finddev_readdir(current_dir, &fhandle) != 0) 42587c478bd9Sstevel@tonic-gate return; 42597c478bd9Sstevel@tonic-gate 42607c478bd9Sstevel@tonic-gate len = strlen(path_re); 42617c478bd9Sstevel@tonic-gate if ((slash = strchr(path_re, '/')) != NULL) { 42627c478bd9Sstevel@tonic-gate len = (slash - path_re); 42637c478bd9Sstevel@tonic-gate } 42647c478bd9Sstevel@tonic-gate 42657c478bd9Sstevel@tonic-gate anchored_path_re = s_malloc(len + 3); 42667c478bd9Sstevel@tonic-gate (void) sprintf(anchored_path_re, "^%.*s$", len, path_re); 42677c478bd9Sstevel@tonic-gate 42687c478bd9Sstevel@tonic-gate if (regcomp(&re1, anchored_path_re, REG_EXTENDED) != 0) { 42697c478bd9Sstevel@tonic-gate free(anchored_path_re); 42707c478bd9Sstevel@tonic-gate goto out; 42717c478bd9Sstevel@tonic-gate } 42727c478bd9Sstevel@tonic-gate 42737c478bd9Sstevel@tonic-gate free(anchored_path_re); 42747c478bd9Sstevel@tonic-gate 427573de625bSjg while ((fp = finddev_next(fhandle)) != NULL) { 42767c478bd9Sstevel@tonic-gate 427773de625bSjg if (regexec(&re1, fp, 0, NULL, 0) == 0) { 42787c478bd9Sstevel@tonic-gate /* match */ 42797c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 42807c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 428173de625bSjg (void) strcat(new_path, fp); 42827c478bd9Sstevel@tonic-gate 42837c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "recurse_dev_re: match, new " 42847c478bd9Sstevel@tonic-gate "path = %s\n", new_path); 42857c478bd9Sstevel@tonic-gate 42867c478bd9Sstevel@tonic-gate if (slash != NULL) { 42877c478bd9Sstevel@tonic-gate recurse_dev_re(new_path, slash + 1, rd); 42887c478bd9Sstevel@tonic-gate } else { 42897c478bd9Sstevel@tonic-gate /* reached the leaf component of path_re */ 42907c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, 42917c478bd9Sstevel@tonic-gate "recurse_dev_re: calling fcn\n"); 42927c478bd9Sstevel@tonic-gate (*(rd->fcn))(new_path, rd->data); 42937c478bd9Sstevel@tonic-gate } 42947c478bd9Sstevel@tonic-gate } 42957c478bd9Sstevel@tonic-gate } 42967c478bd9Sstevel@tonic-gate 42977c478bd9Sstevel@tonic-gate regfree(&re1); 42987c478bd9Sstevel@tonic-gate 42997c478bd9Sstevel@tonic-gate out: 430073de625bSjg finddev_close(fhandle); 43017c478bd9Sstevel@tonic-gate } 43027c478bd9Sstevel@tonic-gate 43037c478bd9Sstevel@tonic-gate /* 43047c478bd9Sstevel@tonic-gate * Found a devpath which matches a RE in the remove structure. 43057c478bd9Sstevel@tonic-gate * Now check to see if it is dangling. 43067c478bd9Sstevel@tonic-gate */ 43077c478bd9Sstevel@tonic-gate static void 43087c478bd9Sstevel@tonic-gate matching_dev(char *devpath, void *data) 43097c478bd9Sstevel@tonic-gate { 43107c478bd9Sstevel@tonic-gate cleanup_data_t *cleanup_data = data; 4311aa646b9dSvikram int norm_len = strlen(dev_dir) + strlen("/"); 4312aa646b9dSvikram int ret; 43137c478bd9Sstevel@tonic-gate char *fcn = "matching_dev: "; 43147c478bd9Sstevel@tonic-gate 43157c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "%sexamining devpath = '%s'\n", fcn, 43167c478bd9Sstevel@tonic-gate devpath); 43177c478bd9Sstevel@tonic-gate 4318aa646b9dSvikram /* 4319aa646b9dSvikram * If the link is in the no-further-process hash 4320aa646b9dSvikram * don't do any remove operation on it. 4321aa646b9dSvikram */ 4322aa646b9dSvikram if (nfphash_lookup(devpath + norm_len) != NULL) 4323aa646b9dSvikram return; 4324aa646b9dSvikram 43257c478bd9Sstevel@tonic-gate if (resolve_link(devpath, NULL, NULL, NULL, 1) == TRUE) { 43267c478bd9Sstevel@tonic-gate if (call_minor_init(cleanup_data->rm->modptr) == 43277c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 43287c478bd9Sstevel@tonic-gate return; 43297c478bd9Sstevel@tonic-gate } 43307c478bd9Sstevel@tonic-gate 4331aa646b9dSvikram devpath += norm_len; 43327c478bd9Sstevel@tonic-gate 43337c478bd9Sstevel@tonic-gate vprint(RECURSEDEV_MID, "%scalling" 43347c478bd9Sstevel@tonic-gate " callback %s\n", fcn, devpath); 4335aa646b9dSvikram if (cleanup_data->rm->remove->flags & RM_NOINTERPOSE) 4336aa646b9dSvikram ((void (*)(char *)) 4337aa646b9dSvikram (cleanup_data->rm->remove->callback_fcn))(devpath); 4338aa646b9dSvikram else { 4339aa646b9dSvikram ret = ((int (*)(char *)) 4340aa646b9dSvikram (cleanup_data->rm->remove->callback_fcn))(devpath); 4341aa646b9dSvikram if (ret == DEVFSADM_TERMINATE) { 4342aa646b9dSvikram /* 4343aa646b9dSvikram * We want no further remove processing for 4344aa646b9dSvikram * this link. Add it to the nfp_hash; 4345aa646b9dSvikram */ 4346aa646b9dSvikram nfphash_insert(devpath); 4347aa646b9dSvikram } 4348aa646b9dSvikram } 43497c478bd9Sstevel@tonic-gate } 43507c478bd9Sstevel@tonic-gate } 43517c478bd9Sstevel@tonic-gate 43527c478bd9Sstevel@tonic-gate int 43537c478bd9Sstevel@tonic-gate devfsadm_read_link(char *link, char **devfs_path) 43547c478bd9Sstevel@tonic-gate { 43557c478bd9Sstevel@tonic-gate char devlink[PATH_MAX]; 43567c478bd9Sstevel@tonic-gate 43577c478bd9Sstevel@tonic-gate *devfs_path = NULL; 43587c478bd9Sstevel@tonic-gate 43597c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 43607c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 43617c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 43627c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 43637c478bd9Sstevel@tonic-gate 43647c478bd9Sstevel@tonic-gate /* We *don't* want a stat of the /devices node */ 43657c478bd9Sstevel@tonic-gate (void) resolve_link(devlink, NULL, NULL, devfs_path, 0); 43667c478bd9Sstevel@tonic-gate 43677c478bd9Sstevel@tonic-gate return (*devfs_path ? DEVFSADM_SUCCESS : DEVFSADM_FAILURE); 43687c478bd9Sstevel@tonic-gate } 43697c478bd9Sstevel@tonic-gate 43707c478bd9Sstevel@tonic-gate int 43717c478bd9Sstevel@tonic-gate devfsadm_link_valid(char *link) 43727c478bd9Sstevel@tonic-gate { 43737c478bd9Sstevel@tonic-gate struct stat sb; 437445916cd2Sjpk char devlink[PATH_MAX + 1], *contents = NULL; 43757c478bd9Sstevel@tonic-gate int rv, type; 437645916cd2Sjpk int instance = 0; 43777c478bd9Sstevel@tonic-gate 43787c478bd9Sstevel@tonic-gate /* prepend link with dev_dir contents */ 43797c478bd9Sstevel@tonic-gate (void) strcpy(devlink, dev_dir); 43807c478bd9Sstevel@tonic-gate (void) strcat(devlink, "/"); 43817c478bd9Sstevel@tonic-gate (void) strcat(devlink, link); 43827c478bd9Sstevel@tonic-gate 4383facf4a8dSllai if (!device_exists(devlink) || lstat(devlink, &sb) != 0) { 43847c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 43857c478bd9Sstevel@tonic-gate } 43867c478bd9Sstevel@tonic-gate 43877c478bd9Sstevel@tonic-gate contents = NULL; 43887c478bd9Sstevel@tonic-gate type = 0; 43897c478bd9Sstevel@tonic-gate if (resolve_link(devlink, &contents, &type, NULL, 1) == TRUE) { 43907c478bd9Sstevel@tonic-gate rv = DEVFSADM_FALSE; 43917c478bd9Sstevel@tonic-gate } else { 43927c478bd9Sstevel@tonic-gate rv = DEVFSADM_TRUE; 43937c478bd9Sstevel@tonic-gate } 43947c478bd9Sstevel@tonic-gate 43957c478bd9Sstevel@tonic-gate /* 43967c478bd9Sstevel@tonic-gate * The link exists. Add it to the database 43977c478bd9Sstevel@tonic-gate */ 43987c478bd9Sstevel@tonic-gate (void) di_devlink_add_link(devlink_cache, link, contents, type); 439945916cd2Sjpk if (system_labeled && (rv == DEVFSADM_TRUE) && 440045916cd2Sjpk strstr(devlink, DA_AUDIO_NAME) && contents) { 440145916cd2Sjpk (void) sscanf(contents, "%*[a-z]%d", &instance); 440245916cd2Sjpk (void) da_add_list(&devlist, devlink, instance, 440345916cd2Sjpk DA_ADD|DA_AUDIO); 440445916cd2Sjpk _update_devalloc_db(&devlist, 0, DA_ADD, NULL, root_dir); 440545916cd2Sjpk } 44067c478bd9Sstevel@tonic-gate free(contents); 44077c478bd9Sstevel@tonic-gate 44087c478bd9Sstevel@tonic-gate return (rv); 44097c478bd9Sstevel@tonic-gate } 44107c478bd9Sstevel@tonic-gate 44117c478bd9Sstevel@tonic-gate /* 44127c478bd9Sstevel@tonic-gate * devpath: Absolute path to /dev link 44137c478bd9Sstevel@tonic-gate * content_p: Returns malloced string (link content) 44147c478bd9Sstevel@tonic-gate * type_p: Returns link type: primary or secondary 44157c478bd9Sstevel@tonic-gate * devfs_path: Returns malloced string: /devices path w/out "/devices" 44167c478bd9Sstevel@tonic-gate * dangle: if set, check if link is dangling 44177c478bd9Sstevel@tonic-gate * Returns: 44187c478bd9Sstevel@tonic-gate * TRUE if dangling 44197c478bd9Sstevel@tonic-gate * FALSE if not or if caller doesn't care 44207c478bd9Sstevel@tonic-gate * Caller is assumed to have initialized pointer contents to NULL 44217c478bd9Sstevel@tonic-gate */ 44227c478bd9Sstevel@tonic-gate static int 44237c478bd9Sstevel@tonic-gate resolve_link(char *devpath, char **content_p, int *type_p, char **devfs_path, 44247c478bd9Sstevel@tonic-gate int dangle) 44257c478bd9Sstevel@tonic-gate { 44267c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 44277c478bd9Sstevel@tonic-gate char stage_link[PATH_MAX + 1]; 44287c478bd9Sstevel@tonic-gate char *fcn = "resolve_link: "; 44297c478bd9Sstevel@tonic-gate char *ptr; 44307c478bd9Sstevel@tonic-gate int linksize; 44317c478bd9Sstevel@tonic-gate int rv = TRUE; 44327c478bd9Sstevel@tonic-gate struct stat sb; 44337c478bd9Sstevel@tonic-gate 44347c478bd9Sstevel@tonic-gate linksize = readlink(devpath, contents, PATH_MAX); 44357c478bd9Sstevel@tonic-gate 44367c478bd9Sstevel@tonic-gate if (linksize <= 0) { 44377c478bd9Sstevel@tonic-gate return (FALSE); 44387c478bd9Sstevel@tonic-gate } else { 44397c478bd9Sstevel@tonic-gate contents[linksize] = '\0'; 44407c478bd9Sstevel@tonic-gate } 44417c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s %s -> %s\n", fcn, devpath, contents); 44427c478bd9Sstevel@tonic-gate 44437c478bd9Sstevel@tonic-gate if (content_p) { 44447c478bd9Sstevel@tonic-gate *content_p = s_strdup(contents); 44457c478bd9Sstevel@tonic-gate } 44467c478bd9Sstevel@tonic-gate 44477c478bd9Sstevel@tonic-gate /* 44487c478bd9Sstevel@tonic-gate * Check to see if this is a link pointing to another link in /dev. The 44497c478bd9Sstevel@tonic-gate * cheap way to do this is to look for a lack of ../devices/. 44507c478bd9Sstevel@tonic-gate */ 44517c478bd9Sstevel@tonic-gate 44527c478bd9Sstevel@tonic-gate if (is_minor_node(contents, &ptr) == DEVFSADM_FALSE) { 44537c478bd9Sstevel@tonic-gate 44547c478bd9Sstevel@tonic-gate if (type_p) { 44557c478bd9Sstevel@tonic-gate *type_p = DI_SECONDARY_LINK; 44567c478bd9Sstevel@tonic-gate } 44577c478bd9Sstevel@tonic-gate 44587c478bd9Sstevel@tonic-gate /* 44597c478bd9Sstevel@tonic-gate * assume that linkcontents is really a pointer to another 44607c478bd9Sstevel@tonic-gate * link, and if so recurse and read its link contents. 44617c478bd9Sstevel@tonic-gate */ 44627c478bd9Sstevel@tonic-gate if (strncmp(contents, DEV "/", strlen(DEV) + 1) == 0) { 44637c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, dev_dir); 44647c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 44657c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, 44667c478bd9Sstevel@tonic-gate &contents[strlen(DEV) + strlen("/")]); 44677c478bd9Sstevel@tonic-gate } else { 44687c478bd9Sstevel@tonic-gate if ((ptr = strrchr(devpath, '/')) == NULL) { 44697c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%s%s -> %s invalid link. " 44707c478bd9Sstevel@tonic-gate "missing '/'\n", fcn, devpath, 44717c478bd9Sstevel@tonic-gate contents); 44727c478bd9Sstevel@tonic-gate return (TRUE); 44737c478bd9Sstevel@tonic-gate } 44747c478bd9Sstevel@tonic-gate *ptr = '\0'; 44757c478bd9Sstevel@tonic-gate (void) strcpy(stage_link, devpath); 44767c478bd9Sstevel@tonic-gate *ptr = '/'; 44777c478bd9Sstevel@tonic-gate (void) strcat(stage_link, "/"); 44787c478bd9Sstevel@tonic-gate (void) strcat(stage_link, contents); 44797c478bd9Sstevel@tonic-gate } 44807c478bd9Sstevel@tonic-gate return (resolve_link(stage_link, NULL, NULL, devfs_path, 44817c478bd9Sstevel@tonic-gate dangle)); 44827c478bd9Sstevel@tonic-gate } 44837c478bd9Sstevel@tonic-gate 44847c478bd9Sstevel@tonic-gate /* Current link points at a /devices minor node */ 44857c478bd9Sstevel@tonic-gate if (type_p) { 44867c478bd9Sstevel@tonic-gate *type_p = DI_PRIMARY_LINK; 44877c478bd9Sstevel@tonic-gate } 44887c478bd9Sstevel@tonic-gate 44897c478bd9Sstevel@tonic-gate if (devfs_path) 44907c478bd9Sstevel@tonic-gate *devfs_path = s_strdup(ptr); 44917c478bd9Sstevel@tonic-gate 44927c478bd9Sstevel@tonic-gate rv = FALSE; 44937c478bd9Sstevel@tonic-gate if (dangle) 44947c478bd9Sstevel@tonic-gate rv = (stat(ptr - strlen(DEVICES), &sb) == -1); 44957c478bd9Sstevel@tonic-gate 44967c478bd9Sstevel@tonic-gate vprint(REMOVE_MID, "%slink=%s, returning %s\n", fcn, 44977c478bd9Sstevel@tonic-gate devpath, ((rv == TRUE) ? "TRUE" : "FALSE")); 44987c478bd9Sstevel@tonic-gate 44997c478bd9Sstevel@tonic-gate return (rv); 45007c478bd9Sstevel@tonic-gate } 45017c478bd9Sstevel@tonic-gate 45027c478bd9Sstevel@tonic-gate /* 45037c478bd9Sstevel@tonic-gate * Returns the substring of interest, given a path. 45047c478bd9Sstevel@tonic-gate */ 45057c478bd9Sstevel@tonic-gate static char * 45067c478bd9Sstevel@tonic-gate alloc_cmp_str(const char *path, devfsadm_enumerate_t *dep) 45077c478bd9Sstevel@tonic-gate { 45087c478bd9Sstevel@tonic-gate uint_t match; 45097c478bd9Sstevel@tonic-gate char *np, *ap, *mp; 45107c478bd9Sstevel@tonic-gate char *cmp_str = NULL; 45117c478bd9Sstevel@tonic-gate char at[] = "@"; 45127c478bd9Sstevel@tonic-gate char *fcn = "alloc_cmp_str"; 45137c478bd9Sstevel@tonic-gate 45147c478bd9Sstevel@tonic-gate np = ap = mp = NULL; 45157c478bd9Sstevel@tonic-gate 45167c478bd9Sstevel@tonic-gate /* 45177c478bd9Sstevel@tonic-gate * extract match flags from the flags argument. 45187c478bd9Sstevel@tonic-gate */ 45197c478bd9Sstevel@tonic-gate match = (dep->flags & MATCH_MASK); 45207c478bd9Sstevel@tonic-gate 45217c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: enumeration match type: 0x%x" 45227c478bd9Sstevel@tonic-gate " path: %s\n", fcn, match, path); 45237c478bd9Sstevel@tonic-gate 45247c478bd9Sstevel@tonic-gate /* 45257c478bd9Sstevel@tonic-gate * MATCH_CALLBACK and MATCH_ALL are the only flags 45267c478bd9Sstevel@tonic-gate * which may be used if "path" is a /dev path 45277c478bd9Sstevel@tonic-gate */ 45287c478bd9Sstevel@tonic-gate if (match == MATCH_CALLBACK) { 45297c478bd9Sstevel@tonic-gate if (dep->sel_fcn == NULL) { 45307c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumerate" 45317c478bd9Sstevel@tonic-gate " callback: path: %s\n", fcn, path); 45327c478bd9Sstevel@tonic-gate return (NULL); 45337c478bd9Sstevel@tonic-gate } 45347c478bd9Sstevel@tonic-gate cmp_str = dep->sel_fcn(path, dep->cb_arg); 45357c478bd9Sstevel@tonic-gate return (cmp_str); 45367c478bd9Sstevel@tonic-gate } 45377c478bd9Sstevel@tonic-gate 45387c478bd9Sstevel@tonic-gate cmp_str = s_strdup(path); 45397c478bd9Sstevel@tonic-gate 45407c478bd9Sstevel@tonic-gate if (match == MATCH_ALL) { 45417c478bd9Sstevel@tonic-gate return (cmp_str); 45427c478bd9Sstevel@tonic-gate } 45437c478bd9Sstevel@tonic-gate 45447c478bd9Sstevel@tonic-gate /* 45457c478bd9Sstevel@tonic-gate * The remaining flags make sense only for /devices 45467c478bd9Sstevel@tonic-gate * paths 45477c478bd9Sstevel@tonic-gate */ 45487c478bd9Sstevel@tonic-gate if ((mp = strrchr(cmp_str, ':')) == NULL) { 45497c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 45507c478bd9Sstevel@tonic-gate fcn, path); 45517c478bd9Sstevel@tonic-gate goto err; 45527c478bd9Sstevel@tonic-gate } 45537c478bd9Sstevel@tonic-gate 45547c478bd9Sstevel@tonic-gate if (match == MATCH_MINOR) { 45557c478bd9Sstevel@tonic-gate /* A NULL "match_arg" values implies entire minor */ 45567c478bd9Sstevel@tonic-gate if (get_component(mp + 1, dep->match_arg) == NULL) { 45577c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid minor component:" 45587c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 45597c478bd9Sstevel@tonic-gate goto err; 45607c478bd9Sstevel@tonic-gate } 45617c478bd9Sstevel@tonic-gate return (cmp_str); 45627c478bd9Sstevel@tonic-gate } 45637c478bd9Sstevel@tonic-gate 45647c478bd9Sstevel@tonic-gate if ((np = strrchr(cmp_str, '/')) == NULL) { 45657c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", fcn, path); 45667c478bd9Sstevel@tonic-gate goto err; 45677c478bd9Sstevel@tonic-gate } 45687c478bd9Sstevel@tonic-gate 45697c478bd9Sstevel@tonic-gate if (match == MATCH_PARENT) { 45707c478bd9Sstevel@tonic-gate if (strcmp(cmp_str, "/") == 0) { 45717c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid path: %s\n", 45727c478bd9Sstevel@tonic-gate fcn, path); 45737c478bd9Sstevel@tonic-gate goto err; 45747c478bd9Sstevel@tonic-gate } 45757c478bd9Sstevel@tonic-gate 45767c478bd9Sstevel@tonic-gate if (np == cmp_str) { 45777c478bd9Sstevel@tonic-gate *(np + 1) = '\0'; 45787c478bd9Sstevel@tonic-gate } else { 45797c478bd9Sstevel@tonic-gate *np = '\0'; 45807c478bd9Sstevel@tonic-gate } 45817c478bd9Sstevel@tonic-gate return (cmp_str); 45827c478bd9Sstevel@tonic-gate } 45837c478bd9Sstevel@tonic-gate 45847c478bd9Sstevel@tonic-gate /* ap can be NULL - Leaf address may not exist or be empty string */ 45857c478bd9Sstevel@tonic-gate ap = strchr(np+1, '@'); 45867c478bd9Sstevel@tonic-gate 45877c478bd9Sstevel@tonic-gate /* minor is no longer of interest */ 45887c478bd9Sstevel@tonic-gate *mp = '\0'; 45897c478bd9Sstevel@tonic-gate 45907c478bd9Sstevel@tonic-gate if (match == MATCH_NODE) { 45917c478bd9Sstevel@tonic-gate if (ap) 45927c478bd9Sstevel@tonic-gate *ap = '\0'; 45937c478bd9Sstevel@tonic-gate return (cmp_str); 45947c478bd9Sstevel@tonic-gate } else if (match == MATCH_ADDR) { 45957c478bd9Sstevel@tonic-gate /* 45967c478bd9Sstevel@tonic-gate * The empty string is a valid address. The only MATCH_ADDR 45977c478bd9Sstevel@tonic-gate * allowed in this case is against the whole address or 45987c478bd9Sstevel@tonic-gate * the first component of the address (match_arg=NULL/"0"/"1") 45997c478bd9Sstevel@tonic-gate * Note that in this case, the path won't have an "@" 46007c478bd9Sstevel@tonic-gate * As a result ap will be NULL. We fake up an ap = @'\0' 46017c478bd9Sstevel@tonic-gate * so that get_component() will work correctly. 46027c478bd9Sstevel@tonic-gate */ 46037c478bd9Sstevel@tonic-gate if (ap == NULL) { 46047c478bd9Sstevel@tonic-gate ap = at; 46057c478bd9Sstevel@tonic-gate } 46067c478bd9Sstevel@tonic-gate 46077c478bd9Sstevel@tonic-gate if (get_component(ap + 1, dep->match_arg) == NULL) { 46087c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid leaf addr. component:" 46097c478bd9Sstevel@tonic-gate " path: %s\n", fcn, path); 46107c478bd9Sstevel@tonic-gate goto err; 46117c478bd9Sstevel@tonic-gate } 46127c478bd9Sstevel@tonic-gate return (cmp_str); 46137c478bd9Sstevel@tonic-gate } 46147c478bd9Sstevel@tonic-gate 46157c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: 0x%x" 46167c478bd9Sstevel@tonic-gate " path: %s\n", fcn, dep->flags, path); 46177c478bd9Sstevel@tonic-gate 46187c478bd9Sstevel@tonic-gate /*FALLTHRU*/ 46197c478bd9Sstevel@tonic-gate err: 46207c478bd9Sstevel@tonic-gate free(cmp_str); 46217c478bd9Sstevel@tonic-gate return (NULL); 46227c478bd9Sstevel@tonic-gate } 46237c478bd9Sstevel@tonic-gate 46247c478bd9Sstevel@tonic-gate 46257c478bd9Sstevel@tonic-gate /* 46267c478bd9Sstevel@tonic-gate * "str" is expected to be a string with components separated by ',' 46277c478bd9Sstevel@tonic-gate * The terminating null char is considered a separator. 46287c478bd9Sstevel@tonic-gate * get_component() will remove the portion of the string beyond 46297c478bd9Sstevel@tonic-gate * the component indicated. 46307c478bd9Sstevel@tonic-gate * If comp_str is NULL, the entire "str" is returned. 46317c478bd9Sstevel@tonic-gate */ 46327c478bd9Sstevel@tonic-gate static char * 46337c478bd9Sstevel@tonic-gate get_component(char *str, const char *comp_str) 46347c478bd9Sstevel@tonic-gate { 46357c478bd9Sstevel@tonic-gate long comp; 46367c478bd9Sstevel@tonic-gate char *cp; 46377c478bd9Sstevel@tonic-gate 46387c478bd9Sstevel@tonic-gate if (str == NULL) { 46397c478bd9Sstevel@tonic-gate return (NULL); 46407c478bd9Sstevel@tonic-gate } 46417c478bd9Sstevel@tonic-gate 46427c478bd9Sstevel@tonic-gate if (comp_str == NULL) { 46437c478bd9Sstevel@tonic-gate return (str); 46447c478bd9Sstevel@tonic-gate } 46457c478bd9Sstevel@tonic-gate 46467c478bd9Sstevel@tonic-gate errno = 0; 46477c478bd9Sstevel@tonic-gate comp = strtol(comp_str, &cp, 10); 46487c478bd9Sstevel@tonic-gate if (errno != 0 || *cp != '\0' || comp < 0) { 46497c478bd9Sstevel@tonic-gate return (NULL); 46507c478bd9Sstevel@tonic-gate } 46517c478bd9Sstevel@tonic-gate 46527c478bd9Sstevel@tonic-gate if (comp == 0) 46537c478bd9Sstevel@tonic-gate return (str); 46547c478bd9Sstevel@tonic-gate 46557c478bd9Sstevel@tonic-gate for (cp = str; ; cp++) { 46567c478bd9Sstevel@tonic-gate if (*cp == ',' || *cp == '\0') 46577c478bd9Sstevel@tonic-gate comp--; 46587c478bd9Sstevel@tonic-gate if (*cp == '\0' || comp <= 0) { 46597c478bd9Sstevel@tonic-gate break; 46607c478bd9Sstevel@tonic-gate } 46617c478bd9Sstevel@tonic-gate } 46627c478bd9Sstevel@tonic-gate 46637c478bd9Sstevel@tonic-gate if (comp == 0) { 46647c478bd9Sstevel@tonic-gate *cp = '\0'; 46657c478bd9Sstevel@tonic-gate } else { 46667c478bd9Sstevel@tonic-gate str = NULL; 46677c478bd9Sstevel@tonic-gate } 46687c478bd9Sstevel@tonic-gate 46697c478bd9Sstevel@tonic-gate return (str); 46707c478bd9Sstevel@tonic-gate } 46717c478bd9Sstevel@tonic-gate 46727c478bd9Sstevel@tonic-gate 46737c478bd9Sstevel@tonic-gate /* 46747c478bd9Sstevel@tonic-gate * Enumerate serves as a generic counter as well as a means to determine 46757c478bd9Sstevel@tonic-gate * logical unit/controller numbers for such items as disk and tape 46767c478bd9Sstevel@tonic-gate * drives. 46777c478bd9Sstevel@tonic-gate * 46787c478bd9Sstevel@tonic-gate * rules[] is an array of devfsadm_enumerate_t structures which defines 46797c478bd9Sstevel@tonic-gate * the enumeration rules to be used for a specified set of links in /dev. 46807c478bd9Sstevel@tonic-gate * The set of links is specified through regular expressions (of the flavor 46817c478bd9Sstevel@tonic-gate * described in regex(5)). These regular expressions are used to determine 46827c478bd9Sstevel@tonic-gate * the set of links in /dev to examine. The last path component in these 46837c478bd9Sstevel@tonic-gate * regular expressions MUST contain a parenthesized subexpression surrounding 46847c478bd9Sstevel@tonic-gate * the RE which is to be considered the enumerating component. The subexp 46857c478bd9Sstevel@tonic-gate * member in a rule is the subexpression number of the enumerating 46867c478bd9Sstevel@tonic-gate * component. Subexpressions in the last path component are numbered starting 46877c478bd9Sstevel@tonic-gate * from 1. 46887c478bd9Sstevel@tonic-gate * 46897c478bd9Sstevel@tonic-gate * A cache of current id assignments is built up from existing symlinks and 46907c478bd9Sstevel@tonic-gate * new assignments use the lowest unused id. Assignments are based on a 46917c478bd9Sstevel@tonic-gate * match of a specified substring of a symlink's contents. If the specified 46927c478bd9Sstevel@tonic-gate * component for the devfs_path argument matches the corresponding substring 46937c478bd9Sstevel@tonic-gate * for a existing symlink's contents, the cached id is returned. Else, a new 46947c478bd9Sstevel@tonic-gate * id is created and returned in *buf. *buf must be freed by the caller. 46957c478bd9Sstevel@tonic-gate * 46967c478bd9Sstevel@tonic-gate * An id assignment may be governed by a combination of rules, each rule 46977c478bd9Sstevel@tonic-gate * applicable to a different subset of links in /dev. For example, controller 46987c478bd9Sstevel@tonic-gate * numbers may be determined by a combination of disk symlinks in /dev/[r]dsk 46997c478bd9Sstevel@tonic-gate * and controller symlinks in /dev/cfg, with the two sets requiring different 47007c478bd9Sstevel@tonic-gate * rules to derive the "substring of interest". In such cases, the rules 47017c478bd9Sstevel@tonic-gate * array will have more than one element. 47027c478bd9Sstevel@tonic-gate */ 47037c478bd9Sstevel@tonic-gate int 47047c478bd9Sstevel@tonic-gate devfsadm_enumerate_int(char *devfs_path, int index, char **buf, 47057c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 47067c478bd9Sstevel@tonic-gate { 47077c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 47087c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 0)); 47097c478bd9Sstevel@tonic-gate } 47107c478bd9Sstevel@tonic-gate 47117c478bd9Sstevel@tonic-gate int 47127c478bd9Sstevel@tonic-gate disk_enumerate_int(char *devfs_path, int index, char **buf, 47137c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 47147c478bd9Sstevel@tonic-gate { 47157c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 47167c478bd9Sstevel@tonic-gate devfs_path, index, "0", INTEGER, buf, 1)); 47177c478bd9Sstevel@tonic-gate } 47187c478bd9Sstevel@tonic-gate 47197c478bd9Sstevel@tonic-gate /* 47207c478bd9Sstevel@tonic-gate * Same as above, but allows a starting value to be specified. 47217c478bd9Sstevel@tonic-gate * Private to devfsadm.... used by devlinks. 47227c478bd9Sstevel@tonic-gate */ 47237c478bd9Sstevel@tonic-gate static int 47247c478bd9Sstevel@tonic-gate devfsadm_enumerate_int_start(char *devfs_path, int index, char **buf, 47257c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 47267c478bd9Sstevel@tonic-gate { 47277c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 47287c478bd9Sstevel@tonic-gate devfs_path, index, start, INTEGER, buf, 0)); 47297c478bd9Sstevel@tonic-gate } 47307c478bd9Sstevel@tonic-gate 47317c478bd9Sstevel@tonic-gate /* 47327c478bd9Sstevel@tonic-gate * devfsadm_enumerate_char serves as a generic counter returning 47337c478bd9Sstevel@tonic-gate * a single letter. 47347c478bd9Sstevel@tonic-gate */ 47357c478bd9Sstevel@tonic-gate int 47367c478bd9Sstevel@tonic-gate devfsadm_enumerate_char(char *devfs_path, int index, char **buf, 47377c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules) 47387c478bd9Sstevel@tonic-gate { 47397c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 47407c478bd9Sstevel@tonic-gate devfs_path, index, "a", LETTER, buf, 0)); 47417c478bd9Sstevel@tonic-gate } 47427c478bd9Sstevel@tonic-gate 47437c478bd9Sstevel@tonic-gate /* 47447c478bd9Sstevel@tonic-gate * Same as above, but allows a starting char to be specified. 47457c478bd9Sstevel@tonic-gate * Private to devfsadm - used by ports module (port_link.c) 47467c478bd9Sstevel@tonic-gate */ 47477c478bd9Sstevel@tonic-gate int 47487c478bd9Sstevel@tonic-gate devfsadm_enumerate_char_start(char *devfs_path, int index, char **buf, 47497c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int nrules, char *start) 47507c478bd9Sstevel@tonic-gate { 47517c478bd9Sstevel@tonic-gate return (find_enum_id(rules, nrules, 47527c478bd9Sstevel@tonic-gate devfs_path, index, start, LETTER, buf, 0)); 47537c478bd9Sstevel@tonic-gate } 47547c478bd9Sstevel@tonic-gate 47557c478bd9Sstevel@tonic-gate 47567c478bd9Sstevel@tonic-gate /* 47577c478bd9Sstevel@tonic-gate * For a given numeral_set (see get_cached_set for desc of numeral_set), 47587c478bd9Sstevel@tonic-gate * search all cached entries looking for matches on a specified substring 47597c478bd9Sstevel@tonic-gate * of devfs_path. The substring is derived from devfs_path based on the 47607c478bd9Sstevel@tonic-gate * rule specified by "index". If a match is found on a cached entry, 47617c478bd9Sstevel@tonic-gate * return the enumerated id in buf. Otherwise, create a new id by calling 47627c478bd9Sstevel@tonic-gate * new_id, then cache and return that entry. 47637c478bd9Sstevel@tonic-gate */ 47647c478bd9Sstevel@tonic-gate static int 47657c478bd9Sstevel@tonic-gate find_enum_id(devfsadm_enumerate_t rules[], int nrules, 47667c478bd9Sstevel@tonic-gate char *devfs_path, int index, char *min, int type, char **buf, 47677c478bd9Sstevel@tonic-gate int multiple) 47687c478bd9Sstevel@tonic-gate { 47697c478bd9Sstevel@tonic-gate numeral_t *matchnp; 47707c478bd9Sstevel@tonic-gate numeral_t *numeral; 47717c478bd9Sstevel@tonic-gate int matchcount = 0; 47727c478bd9Sstevel@tonic-gate char *cmp_str; 47737c478bd9Sstevel@tonic-gate char *fcn = "find_enum_id"; 47747c478bd9Sstevel@tonic-gate numeral_set_t *set; 47757c478bd9Sstevel@tonic-gate 47767c478bd9Sstevel@tonic-gate if (rules == NULL) { 47777c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: no rules. path: %s\n", 47787c478bd9Sstevel@tonic-gate fcn, devfs_path ? devfs_path : "<NULL path>"); 47797c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47807c478bd9Sstevel@tonic-gate } 47817c478bd9Sstevel@tonic-gate 47827c478bd9Sstevel@tonic-gate if (devfs_path == NULL) { 47837c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: NULL path\n", fcn); 47847c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47857c478bd9Sstevel@tonic-gate } 47867c478bd9Sstevel@tonic-gate 47877c478bd9Sstevel@tonic-gate if (nrules <= 0 || index < 0 || index >= nrules || buf == NULL) { 47887c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid arguments. path: %s\n", 47897c478bd9Sstevel@tonic-gate fcn, devfs_path); 47907c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47917c478bd9Sstevel@tonic-gate } 47927c478bd9Sstevel@tonic-gate 47937c478bd9Sstevel@tonic-gate *buf = NULL; 47947c478bd9Sstevel@tonic-gate 47957c478bd9Sstevel@tonic-gate 47967c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(devfs_path, &rules[index]); 47977c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 47987c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 47997c478bd9Sstevel@tonic-gate } 48007c478bd9Sstevel@tonic-gate 48017c478bd9Sstevel@tonic-gate if ((set = get_enum_cache(rules, nrules)) == NULL) { 48027c478bd9Sstevel@tonic-gate free(cmp_str); 48037c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 48047c478bd9Sstevel@tonic-gate } 48057c478bd9Sstevel@tonic-gate 48067c478bd9Sstevel@tonic-gate assert(nrules == set->re_count); 48077c478bd9Sstevel@tonic-gate 48087c478bd9Sstevel@tonic-gate /* 48097c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 48107c478bd9Sstevel@tonic-gate */ 48117c478bd9Sstevel@tonic-gate matchcount = lookup_enum_cache(set, cmp_str, rules, index, 48127c478bd9Sstevel@tonic-gate &matchnp); 48137c478bd9Sstevel@tonic-gate 48147c478bd9Sstevel@tonic-gate if (matchcount < 0 || matchcount > 1) { 48157c478bd9Sstevel@tonic-gate free(cmp_str); 48167c478bd9Sstevel@tonic-gate if (multiple && matchcount > 1) 48177c478bd9Sstevel@tonic-gate return (DEVFSADM_MULTIPLE); 48187c478bd9Sstevel@tonic-gate else 48197c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 48207c478bd9Sstevel@tonic-gate } 48217c478bd9Sstevel@tonic-gate 48227c478bd9Sstevel@tonic-gate /* if matching entry already cached, return it */ 48237c478bd9Sstevel@tonic-gate if (matchcount == 1) { 48247c478bd9Sstevel@tonic-gate *buf = s_strdup(matchnp->id); 48257c478bd9Sstevel@tonic-gate free(cmp_str); 48267c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 48277c478bd9Sstevel@tonic-gate } 48287c478bd9Sstevel@tonic-gate 48297c478bd9Sstevel@tonic-gate /* 48307c478bd9Sstevel@tonic-gate * no cached entry, initialize a numeral struct 48317c478bd9Sstevel@tonic-gate * by calling new_id() and cache onto the numeral_set 48327c478bd9Sstevel@tonic-gate */ 48337c478bd9Sstevel@tonic-gate numeral = s_malloc(sizeof (numeral_t)); 48347c478bd9Sstevel@tonic-gate numeral->id = new_id(set->headnumeral, type, min); 48357c478bd9Sstevel@tonic-gate numeral->full_path = s_strdup(devfs_path); 48367c478bd9Sstevel@tonic-gate numeral->rule_index = index; 48377c478bd9Sstevel@tonic-gate numeral->cmp_str = cmp_str; 48387c478bd9Sstevel@tonic-gate cmp_str = NULL; 48397c478bd9Sstevel@tonic-gate 48407c478bd9Sstevel@tonic-gate /* insert to head of list for fast lookups */ 48417c478bd9Sstevel@tonic-gate numeral->next = set->headnumeral; 48427c478bd9Sstevel@tonic-gate set->headnumeral = numeral; 48437c478bd9Sstevel@tonic-gate 48447c478bd9Sstevel@tonic-gate *buf = s_strdup(numeral->id); 48457c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 48467c478bd9Sstevel@tonic-gate } 48477c478bd9Sstevel@tonic-gate 48487c478bd9Sstevel@tonic-gate 48497c478bd9Sstevel@tonic-gate /* 48507c478bd9Sstevel@tonic-gate * Looks up the specified cache for a match with a specified string 48517c478bd9Sstevel@tonic-gate * Returns: 48527c478bd9Sstevel@tonic-gate * -1 : on error. 48537c478bd9Sstevel@tonic-gate * 0/1/2 : Number of matches. 48547c478bd9Sstevel@tonic-gate * Returns the matching element only if there is a single match. 48557c478bd9Sstevel@tonic-gate * If the "uncached" flag is set, derives the "cmp_str" afresh 48567c478bd9Sstevel@tonic-gate * for the match instead of using cached values. 48577c478bd9Sstevel@tonic-gate */ 48587c478bd9Sstevel@tonic-gate static int 48597c478bd9Sstevel@tonic-gate lookup_enum_cache(numeral_set_t *set, char *cmp_str, 48607c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index, numeral_t **matchnpp) 48617c478bd9Sstevel@tonic-gate { 48627c478bd9Sstevel@tonic-gate int matchcount = 0, rv = -1; 48637c478bd9Sstevel@tonic-gate int uncached; 48647c478bd9Sstevel@tonic-gate numeral_t *np; 48657c478bd9Sstevel@tonic-gate char *fcn = "lookup_enum_cache"; 48667c478bd9Sstevel@tonic-gate char *cp; 48677c478bd9Sstevel@tonic-gate 48687c478bd9Sstevel@tonic-gate *matchnpp = NULL; 48697c478bd9Sstevel@tonic-gate 48707c478bd9Sstevel@tonic-gate assert(index < set->re_count); 48717c478bd9Sstevel@tonic-gate 48727c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 48737c478bd9Sstevel@tonic-gate return (-1); 48747c478bd9Sstevel@tonic-gate } 48757c478bd9Sstevel@tonic-gate 48767c478bd9Sstevel@tonic-gate uncached = 0; 48777c478bd9Sstevel@tonic-gate if ((rules[index].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 48787c478bd9Sstevel@tonic-gate uncached = 1; 48797c478bd9Sstevel@tonic-gate } 48807c478bd9Sstevel@tonic-gate 48817c478bd9Sstevel@tonic-gate /* 48827c478bd9Sstevel@tonic-gate * Check and see if a matching entry is already cached. 48837c478bd9Sstevel@tonic-gate */ 48847c478bd9Sstevel@tonic-gate for (np = set->headnumeral; np != NULL; np = np->next) { 48857c478bd9Sstevel@tonic-gate if (np->cmp_str == NULL) { 48867c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid entry in enumerate" 48877c478bd9Sstevel@tonic-gate " cache. path: %s\n", fcn, np->full_path); 48887c478bd9Sstevel@tonic-gate return (-1); 48897c478bd9Sstevel@tonic-gate } 48907c478bd9Sstevel@tonic-gate 48917c478bd9Sstevel@tonic-gate if (uncached) { 48927c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%s: bypassing enumerate cache." 48937c478bd9Sstevel@tonic-gate " path: %s\n", fcn, cmp_str); 48947c478bd9Sstevel@tonic-gate cp = alloc_cmp_str(np->full_path, 48957c478bd9Sstevel@tonic-gate &rules[np->rule_index]); 48967c478bd9Sstevel@tonic-gate if (cp == NULL) 48977c478bd9Sstevel@tonic-gate return (-1); 48987c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, cp); 48997c478bd9Sstevel@tonic-gate free(cp); 49007c478bd9Sstevel@tonic-gate } else { 49017c478bd9Sstevel@tonic-gate rv = strcmp(cmp_str, np->cmp_str); 49027c478bd9Sstevel@tonic-gate } 49037c478bd9Sstevel@tonic-gate 49047c478bd9Sstevel@tonic-gate if (rv == 0) { 49057c478bd9Sstevel@tonic-gate if (matchcount++ != 0) { 49067c478bd9Sstevel@tonic-gate break; /* more than 1 match. */ 49077c478bd9Sstevel@tonic-gate } 49087c478bd9Sstevel@tonic-gate *matchnpp = np; 49097c478bd9Sstevel@tonic-gate } 49107c478bd9Sstevel@tonic-gate } 49117c478bd9Sstevel@tonic-gate 49127c478bd9Sstevel@tonic-gate return (matchcount); 49137c478bd9Sstevel@tonic-gate } 49147c478bd9Sstevel@tonic-gate 49157c478bd9Sstevel@tonic-gate #ifdef DEBUG 49167c478bd9Sstevel@tonic-gate static void 49177c478bd9Sstevel@tonic-gate dump_enum_cache(numeral_set_t *setp) 49187c478bd9Sstevel@tonic-gate { 49197c478bd9Sstevel@tonic-gate int i; 49207c478bd9Sstevel@tonic-gate numeral_t *np; 49217c478bd9Sstevel@tonic-gate char *fcn = "dump_enum_cache"; 49227c478bd9Sstevel@tonic-gate 49237c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re_count = %d\n", fcn, setp->re_count); 49247c478bd9Sstevel@tonic-gate for (i = 0; i < setp->re_count; i++) { 49257c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: re[%d] = %s\n", fcn, i, setp->re[i]); 49267c478bd9Sstevel@tonic-gate } 49277c478bd9Sstevel@tonic-gate 49287c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 49297c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: id: %s\n", fcn, np->id); 49307c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: full_path: %s\n", fcn, np->full_path); 49317c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: rule_index: %d\n", fcn, np->rule_index); 49327c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: cmp_str: %s\n", fcn, np->cmp_str); 49337c478bd9Sstevel@tonic-gate } 49347c478bd9Sstevel@tonic-gate } 49357c478bd9Sstevel@tonic-gate #endif 49367c478bd9Sstevel@tonic-gate 49377c478bd9Sstevel@tonic-gate /* 49387c478bd9Sstevel@tonic-gate * For a given set of regular expressions in rules[], this function returns 49397c478bd9Sstevel@tonic-gate * either a previously cached struct numeral_set or it will create and 49407c478bd9Sstevel@tonic-gate * cache a new struct numeral_set. There is only one struct numeral_set 49417c478bd9Sstevel@tonic-gate * for the combination of REs present in rules[]. Each numeral_set contains 49427c478bd9Sstevel@tonic-gate * the regular expressions in rules[] used for cache selection AND a linked 49437c478bd9Sstevel@tonic-gate * list of struct numerals, ONE FOR EACH *UNIQUE* numeral or character ID 49447c478bd9Sstevel@tonic-gate * selected by the grouping parenthesized subexpression found in the last 49457c478bd9Sstevel@tonic-gate * path component of each rules[].re. For example, the RE: "rmt/([0-9]+)" 49467c478bd9Sstevel@tonic-gate * selects all the logical nodes of the correct form in dev/rmt/. 49477c478bd9Sstevel@tonic-gate * Each rmt/X will store a *single* struct numeral... ie 0, 1, 2 each get a 49487c478bd9Sstevel@tonic-gate * single struct numeral. There is no need to store more than a single logical 49497c478bd9Sstevel@tonic-gate * node matching X since the information desired in the devfspath would be 49507c478bd9Sstevel@tonic-gate * identical for the portion of the devfspath of interest. (the part up to, 49517c478bd9Sstevel@tonic-gate * but not including the minor name in this example.) 49527c478bd9Sstevel@tonic-gate * 49537c478bd9Sstevel@tonic-gate * If the given numeral_set is not yet cached, call enumerate_recurse to 49547c478bd9Sstevel@tonic-gate * create it. 49557c478bd9Sstevel@tonic-gate */ 49567c478bd9Sstevel@tonic-gate static numeral_set_t * 49577c478bd9Sstevel@tonic-gate get_enum_cache(devfsadm_enumerate_t rules[], int nrules) 49587c478bd9Sstevel@tonic-gate { 49597c478bd9Sstevel@tonic-gate /* linked list of numeral sets */ 49607c478bd9Sstevel@tonic-gate numeral_set_t *setp; 49617c478bd9Sstevel@tonic-gate int i; 49627c478bd9Sstevel@tonic-gate char *path_left; 49637c478bd9Sstevel@tonic-gate char *fcn = "get_enum_cache"; 49647c478bd9Sstevel@tonic-gate 49657c478bd9Sstevel@tonic-gate /* 49667c478bd9Sstevel@tonic-gate * See if we've already cached this numeral set. 49677c478bd9Sstevel@tonic-gate */ 49687c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; setp = setp->next) { 49697c478bd9Sstevel@tonic-gate /* 49707c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 49717c478bd9Sstevel@tonic-gate * those in cached set. 49727c478bd9Sstevel@tonic-gate */ 49737c478bd9Sstevel@tonic-gate if (nrules != setp->re_count) { 49747c478bd9Sstevel@tonic-gate continue; 49757c478bd9Sstevel@tonic-gate } 49767c478bd9Sstevel@tonic-gate 49777c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 49787c478bd9Sstevel@tonic-gate if (strcmp(setp->re[i], rules[i].re) != 0) { 49797c478bd9Sstevel@tonic-gate break; 49807c478bd9Sstevel@tonic-gate } 49817c478bd9Sstevel@tonic-gate } 49827c478bd9Sstevel@tonic-gate 49837c478bd9Sstevel@tonic-gate if (i == nrules) { 49847c478bd9Sstevel@tonic-gate return (setp); 49857c478bd9Sstevel@tonic-gate } 49867c478bd9Sstevel@tonic-gate } 49877c478bd9Sstevel@tonic-gate 49887c478bd9Sstevel@tonic-gate /* 49897c478bd9Sstevel@tonic-gate * If the MATCH_UNCACHED flag is set, we should not be here. 49907c478bd9Sstevel@tonic-gate */ 49917c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 49927c478bd9Sstevel@tonic-gate if ((rules[i].flags & MATCH_UNCACHED) == MATCH_UNCACHED) { 49937c478bd9Sstevel@tonic-gate vprint(ENUM_MID, "%s: invalid enumeration flags: " 49947c478bd9Sstevel@tonic-gate "0x%x\n", fcn, rules[i].flags); 49957c478bd9Sstevel@tonic-gate return (NULL); 49967c478bd9Sstevel@tonic-gate } 49977c478bd9Sstevel@tonic-gate } 49987c478bd9Sstevel@tonic-gate 49997c478bd9Sstevel@tonic-gate /* 50007c478bd9Sstevel@tonic-gate * Since we made it here, we have not yet cached the given set of 50017c478bd9Sstevel@tonic-gate * logical nodes matching the passed re. Create a cached entry 50027c478bd9Sstevel@tonic-gate * struct numeral_set and populate it with a minimal set of 50037c478bd9Sstevel@tonic-gate * logical nodes from /dev. 50047c478bd9Sstevel@tonic-gate */ 50057c478bd9Sstevel@tonic-gate 50067c478bd9Sstevel@tonic-gate setp = s_malloc(sizeof (numeral_set_t)); 50077c478bd9Sstevel@tonic-gate setp->re = s_malloc(sizeof (char *) * nrules); 50087c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 50097c478bd9Sstevel@tonic-gate setp->re[i] = s_strdup(rules[i].re); 50107c478bd9Sstevel@tonic-gate } 50117c478bd9Sstevel@tonic-gate setp->re_count = nrules; 50127c478bd9Sstevel@tonic-gate setp->headnumeral = NULL; 50137c478bd9Sstevel@tonic-gate 50147c478bd9Sstevel@tonic-gate /* put this new cached set on the cached set list */ 50157c478bd9Sstevel@tonic-gate setp->next = head_numeral_set; 50167c478bd9Sstevel@tonic-gate head_numeral_set = setp; 50177c478bd9Sstevel@tonic-gate 50187c478bd9Sstevel@tonic-gate /* 50197c478bd9Sstevel@tonic-gate * For each RE, search disk and cache any matches on the 5020facf4a8dSllai * numeral list. 50217c478bd9Sstevel@tonic-gate */ 50227c478bd9Sstevel@tonic-gate for (i = 0; i < nrules; i++) { 50237c478bd9Sstevel@tonic-gate path_left = s_strdup(setp->re[i]); 5024facf4a8dSllai enumerate_recurse(dev_dir, path_left, setp, rules, i); 50257c478bd9Sstevel@tonic-gate free(path_left); 50267c478bd9Sstevel@tonic-gate } 50277c478bd9Sstevel@tonic-gate 50287c478bd9Sstevel@tonic-gate #ifdef DEBUG 50297c478bd9Sstevel@tonic-gate dump_enum_cache(setp); 50307c478bd9Sstevel@tonic-gate #endif 50317c478bd9Sstevel@tonic-gate 50327c478bd9Sstevel@tonic-gate return (setp); 50337c478bd9Sstevel@tonic-gate } 50347c478bd9Sstevel@tonic-gate 50357c478bd9Sstevel@tonic-gate 50367c478bd9Sstevel@tonic-gate /* 50377c478bd9Sstevel@tonic-gate * This function stats the pathname namebuf. If this is a directory 50387c478bd9Sstevel@tonic-gate * entry, we recurse down dname/fname until we find the first symbolic 50397c478bd9Sstevel@tonic-gate * link, and then stat and return it. This is valid for the same reason 50407c478bd9Sstevel@tonic-gate * that we only need to read a single pathname for multiple matching 50417c478bd9Sstevel@tonic-gate * logical ID's... ie, all the logical nodes should contain identical 50427c478bd9Sstevel@tonic-gate * physical paths for the parts we are interested. 50437c478bd9Sstevel@tonic-gate */ 50447c478bd9Sstevel@tonic-gate int 50457c478bd9Sstevel@tonic-gate get_stat_info(char *namebuf, struct stat *sb) 50467c478bd9Sstevel@tonic-gate { 50477c478bd9Sstevel@tonic-gate char *cp; 504873de625bSjg finddevhdl_t fhandle; 504973de625bSjg const char *fp; 50507c478bd9Sstevel@tonic-gate 50517c478bd9Sstevel@tonic-gate if (lstat(namebuf, sb) < 0) { 50527c478bd9Sstevel@tonic-gate (void) err_print(LSTAT_FAILED, namebuf, strerror(errno)); 50537c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50547c478bd9Sstevel@tonic-gate } 50557c478bd9Sstevel@tonic-gate 50567c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFLNK) { 50577c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 50587c478bd9Sstevel@tonic-gate } 50597c478bd9Sstevel@tonic-gate 50607c478bd9Sstevel@tonic-gate /* 50617c478bd9Sstevel@tonic-gate * If it is a dir, recurse down until we find a link and 50627c478bd9Sstevel@tonic-gate * then use the link. 50637c478bd9Sstevel@tonic-gate */ 50647c478bd9Sstevel@tonic-gate if ((sb->st_mode & S_IFMT) == S_IFDIR) { 50657c478bd9Sstevel@tonic-gate 506673de625bSjg if (finddev_readdir(namebuf, &fhandle) != 0) { 50677c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50687c478bd9Sstevel@tonic-gate } 50697c478bd9Sstevel@tonic-gate 50707c478bd9Sstevel@tonic-gate /* 50717c478bd9Sstevel@tonic-gate * Search each dir entry looking for a symlink. Return 50727c478bd9Sstevel@tonic-gate * the first symlink found in namebuf. Recurse dirs. 50737c478bd9Sstevel@tonic-gate */ 507473de625bSjg while ((fp = finddev_next(fhandle)) != NULL) { 50757c478bd9Sstevel@tonic-gate cp = namebuf + strlen(namebuf); 5076facf4a8dSllai if ((strlcat(namebuf, "/", PATH_MAX) >= PATH_MAX) || 507773de625bSjg (strlcat(namebuf, fp, PATH_MAX) >= PATH_MAX)) { 5078facf4a8dSllai *cp = '\0'; 507973de625bSjg finddev_close(fhandle); 5080facf4a8dSllai return (DEVFSADM_FAILURE); 5081facf4a8dSllai } 50827c478bd9Sstevel@tonic-gate if (get_stat_info(namebuf, sb) == DEVFSADM_SUCCESS) { 508373de625bSjg finddev_close(fhandle); 50847c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 50857c478bd9Sstevel@tonic-gate } 50867c478bd9Sstevel@tonic-gate *cp = '\0'; 50877c478bd9Sstevel@tonic-gate } 508873de625bSjg finddev_close(fhandle); 50897c478bd9Sstevel@tonic-gate } 50907c478bd9Sstevel@tonic-gate 50917c478bd9Sstevel@tonic-gate /* no symlink found, so return error */ 50927c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 50937c478bd9Sstevel@tonic-gate } 50947c478bd9Sstevel@tonic-gate 50957c478bd9Sstevel@tonic-gate /* 50967c478bd9Sstevel@tonic-gate * An existing matching ID was not found, so this function is called to 50977c478bd9Sstevel@tonic-gate * create the next lowest ID. In the INTEGER case, return the next 50987c478bd9Sstevel@tonic-gate * lowest unused integer. In the case of LETTER, return the next lowest 50997c478bd9Sstevel@tonic-gate * unused letter. Return empty string if all 26 are used. 51007c478bd9Sstevel@tonic-gate * Only IDs >= min will be returned. 51017c478bd9Sstevel@tonic-gate */ 51027c478bd9Sstevel@tonic-gate char * 51037c478bd9Sstevel@tonic-gate new_id(numeral_t *numeral, int type, char *min) 51047c478bd9Sstevel@tonic-gate { 51057c478bd9Sstevel@tonic-gate int imin; 51067c478bd9Sstevel@tonic-gate temp_t *temp; 51077c478bd9Sstevel@tonic-gate temp_t *ptr; 51087c478bd9Sstevel@tonic-gate temp_t **previous; 51097c478bd9Sstevel@tonic-gate temp_t *head = NULL; 51107c478bd9Sstevel@tonic-gate char *retval; 51117c478bd9Sstevel@tonic-gate static char tempbuff[8]; 51127c478bd9Sstevel@tonic-gate numeral_t *np; 51137c478bd9Sstevel@tonic-gate 51147c478bd9Sstevel@tonic-gate if (type == LETTER) { 51157c478bd9Sstevel@tonic-gate 51167c478bd9Sstevel@tonic-gate char letter[26], i; 51177c478bd9Sstevel@tonic-gate 51187c478bd9Sstevel@tonic-gate if (numeral == NULL) { 51197c478bd9Sstevel@tonic-gate return (s_strdup(min)); 51207c478bd9Sstevel@tonic-gate } 51217c478bd9Sstevel@tonic-gate 51227c478bd9Sstevel@tonic-gate for (i = 0; i < 26; i++) { 51237c478bd9Sstevel@tonic-gate letter[i] = 0; 51247c478bd9Sstevel@tonic-gate } 51257c478bd9Sstevel@tonic-gate 51267c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 51277c478bd9Sstevel@tonic-gate letter[*np->id - 'a']++; 51287c478bd9Sstevel@tonic-gate } 51297c478bd9Sstevel@tonic-gate 51307c478bd9Sstevel@tonic-gate imin = *min - 'a'; 51317c478bd9Sstevel@tonic-gate 51327c478bd9Sstevel@tonic-gate for (i = imin; i < 26; i++) { 51337c478bd9Sstevel@tonic-gate if (letter[i] == 0) { 51347c478bd9Sstevel@tonic-gate retval = s_malloc(2); 51357c478bd9Sstevel@tonic-gate retval[0] = 'a' + i; 51367c478bd9Sstevel@tonic-gate retval[1] = '\0'; 51377c478bd9Sstevel@tonic-gate return (retval); 51387c478bd9Sstevel@tonic-gate } 51397c478bd9Sstevel@tonic-gate } 51407c478bd9Sstevel@tonic-gate 51417c478bd9Sstevel@tonic-gate return (s_strdup("")); 51427c478bd9Sstevel@tonic-gate } 51437c478bd9Sstevel@tonic-gate 51447c478bd9Sstevel@tonic-gate if (type == INTEGER) { 51457c478bd9Sstevel@tonic-gate 51467c478bd9Sstevel@tonic-gate if (numeral == NULL) { 51477c478bd9Sstevel@tonic-gate return (s_strdup(min)); 51487c478bd9Sstevel@tonic-gate } 51497c478bd9Sstevel@tonic-gate 51507c478bd9Sstevel@tonic-gate imin = atoi(min); 51517c478bd9Sstevel@tonic-gate 51527c478bd9Sstevel@tonic-gate /* sort list */ 51537c478bd9Sstevel@tonic-gate for (np = numeral; np != NULL; np = np->next) { 51547c478bd9Sstevel@tonic-gate temp = s_malloc(sizeof (temp_t)); 51557c478bd9Sstevel@tonic-gate temp->integer = atoi(np->id); 51567c478bd9Sstevel@tonic-gate temp->next = NULL; 51577c478bd9Sstevel@tonic-gate 51587c478bd9Sstevel@tonic-gate previous = &head; 51597c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 51607c478bd9Sstevel@tonic-gate if (temp->integer < ptr->integer) { 51617c478bd9Sstevel@tonic-gate temp->next = ptr; 51627c478bd9Sstevel@tonic-gate *previous = temp; 51637c478bd9Sstevel@tonic-gate break; 51647c478bd9Sstevel@tonic-gate } 51657c478bd9Sstevel@tonic-gate previous = &(ptr->next); 51667c478bd9Sstevel@tonic-gate } 51677c478bd9Sstevel@tonic-gate if (ptr == NULL) { 51687c478bd9Sstevel@tonic-gate *previous = temp; 51697c478bd9Sstevel@tonic-gate } 51707c478bd9Sstevel@tonic-gate } 51717c478bd9Sstevel@tonic-gate 51727c478bd9Sstevel@tonic-gate /* now search sorted list for first hole >= imin */ 51737c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ptr = ptr->next) { 51747c478bd9Sstevel@tonic-gate if (imin == ptr->integer) { 51757c478bd9Sstevel@tonic-gate imin++; 51767c478bd9Sstevel@tonic-gate } else { 51777c478bd9Sstevel@tonic-gate if (imin < ptr->integer) { 51787c478bd9Sstevel@tonic-gate break; 51797c478bd9Sstevel@tonic-gate } 51807c478bd9Sstevel@tonic-gate } 51817c478bd9Sstevel@tonic-gate 51827c478bd9Sstevel@tonic-gate } 51837c478bd9Sstevel@tonic-gate 51847c478bd9Sstevel@tonic-gate /* free temp list */ 51857c478bd9Sstevel@tonic-gate for (ptr = head; ptr != NULL; ) { 51867c478bd9Sstevel@tonic-gate temp = ptr; 51877c478bd9Sstevel@tonic-gate ptr = ptr->next; 51887c478bd9Sstevel@tonic-gate free(temp); 51897c478bd9Sstevel@tonic-gate } 51907c478bd9Sstevel@tonic-gate 51917c478bd9Sstevel@tonic-gate (void) sprintf(tempbuff, "%d", imin); 51927c478bd9Sstevel@tonic-gate return (s_strdup(tempbuff)); 51937c478bd9Sstevel@tonic-gate } 51947c478bd9Sstevel@tonic-gate 51957c478bd9Sstevel@tonic-gate return (s_strdup("")); 51967c478bd9Sstevel@tonic-gate } 51977c478bd9Sstevel@tonic-gate 51987c478bd9Sstevel@tonic-gate /* 51997c478bd9Sstevel@tonic-gate * Search current_dir for all files which match the first path component 52007c478bd9Sstevel@tonic-gate * of path_left, which is an RE. If a match is found, but there are more 52017c478bd9Sstevel@tonic-gate * components of path_left, then recurse, otherwise, if we have reached 52027c478bd9Sstevel@tonic-gate * the last component of path_left, call create_cached_numerals for each 52037c478bd9Sstevel@tonic-gate * file. At some point, recurse_dev_re() should be rewritten so that this 52047c478bd9Sstevel@tonic-gate * function can be eliminated. 52057c478bd9Sstevel@tonic-gate */ 52067c478bd9Sstevel@tonic-gate static void 52077c478bd9Sstevel@tonic-gate enumerate_recurse(char *current_dir, char *path_left, numeral_set_t *setp, 52087c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 52097c478bd9Sstevel@tonic-gate { 52107c478bd9Sstevel@tonic-gate char *slash; 52117c478bd9Sstevel@tonic-gate char *new_path; 52127c478bd9Sstevel@tonic-gate char *numeral_id; 521373de625bSjg finddevhdl_t fhandle; 521473de625bSjg const char *fp; 52157c478bd9Sstevel@tonic-gate 521673de625bSjg if (finddev_readdir(current_dir, &fhandle) != 0) { 52177c478bd9Sstevel@tonic-gate return; 52187c478bd9Sstevel@tonic-gate } 52197c478bd9Sstevel@tonic-gate 52207c478bd9Sstevel@tonic-gate /* get rid of any extra '/' */ 52217c478bd9Sstevel@tonic-gate while (*path_left == '/') { 52227c478bd9Sstevel@tonic-gate path_left++; 52237c478bd9Sstevel@tonic-gate } 52247c478bd9Sstevel@tonic-gate 52257c478bd9Sstevel@tonic-gate if (slash = strchr(path_left, '/')) { 52267c478bd9Sstevel@tonic-gate *slash = '\0'; 52277c478bd9Sstevel@tonic-gate } 52287c478bd9Sstevel@tonic-gate 522973de625bSjg while ((fp = finddev_next(fhandle)) != NULL) { 52307c478bd9Sstevel@tonic-gate 52317c478bd9Sstevel@tonic-gate /* 5232facf4a8dSllai * Returns true if path_left matches the list entry. 52337c478bd9Sstevel@tonic-gate * If it is the last path component, pass subexp 52347c478bd9Sstevel@tonic-gate * so that it will return the corresponding ID in 52357c478bd9Sstevel@tonic-gate * numeral_id. 52367c478bd9Sstevel@tonic-gate */ 52377c478bd9Sstevel@tonic-gate numeral_id = NULL; 523873de625bSjg if (match_path_component(path_left, (char *)fp, &numeral_id, 52397c478bd9Sstevel@tonic-gate slash ? 0 : rules[index].subexp)) { 52407c478bd9Sstevel@tonic-gate 52417c478bd9Sstevel@tonic-gate new_path = s_malloc(strlen(current_dir) + 524273de625bSjg strlen(fp) + 2); 52437c478bd9Sstevel@tonic-gate 52447c478bd9Sstevel@tonic-gate (void) strcpy(new_path, current_dir); 52457c478bd9Sstevel@tonic-gate (void) strcat(new_path, "/"); 524673de625bSjg (void) strcat(new_path, fp); 52477c478bd9Sstevel@tonic-gate 52487c478bd9Sstevel@tonic-gate if (slash != NULL) { 52497c478bd9Sstevel@tonic-gate enumerate_recurse(new_path, slash + 1, 52507c478bd9Sstevel@tonic-gate setp, rules, index); 52517c478bd9Sstevel@tonic-gate } else { 52527c478bd9Sstevel@tonic-gate create_cached_numeral(new_path, setp, 52537c478bd9Sstevel@tonic-gate numeral_id, rules, index); 52547c478bd9Sstevel@tonic-gate if (numeral_id != NULL) { 52557c478bd9Sstevel@tonic-gate free(numeral_id); 52567c478bd9Sstevel@tonic-gate } 52577c478bd9Sstevel@tonic-gate } 52587c478bd9Sstevel@tonic-gate free(new_path); 52597c478bd9Sstevel@tonic-gate } 52607c478bd9Sstevel@tonic-gate } 52617c478bd9Sstevel@tonic-gate 52627c478bd9Sstevel@tonic-gate if (slash != NULL) { 52637c478bd9Sstevel@tonic-gate *slash = '/'; 52647c478bd9Sstevel@tonic-gate } 526573de625bSjg finddev_close(fhandle); 52667c478bd9Sstevel@tonic-gate } 52677c478bd9Sstevel@tonic-gate 52687c478bd9Sstevel@tonic-gate 52697c478bd9Sstevel@tonic-gate /* 52707c478bd9Sstevel@tonic-gate * Returns true if file matches file_re. If subexp is non-zero, it means 52717c478bd9Sstevel@tonic-gate * we are searching the last path component and need to return the 52727c478bd9Sstevel@tonic-gate * parenthesized subexpression subexp in id. 52737c478bd9Sstevel@tonic-gate * 52747c478bd9Sstevel@tonic-gate */ 52757c478bd9Sstevel@tonic-gate static int 52767c478bd9Sstevel@tonic-gate match_path_component(char *file_re, char *file, char **id, int subexp) 52777c478bd9Sstevel@tonic-gate { 52787c478bd9Sstevel@tonic-gate regex_t re1; 52797c478bd9Sstevel@tonic-gate int match = 0; 52807c478bd9Sstevel@tonic-gate int nelements; 52817c478bd9Sstevel@tonic-gate regmatch_t *pmatch; 52827c478bd9Sstevel@tonic-gate 52837c478bd9Sstevel@tonic-gate if (subexp != 0) { 52847c478bd9Sstevel@tonic-gate nelements = subexp + 1; 52857c478bd9Sstevel@tonic-gate pmatch = (regmatch_t *) 52867c478bd9Sstevel@tonic-gate s_malloc(sizeof (regmatch_t) * nelements); 52877c478bd9Sstevel@tonic-gate } else { 52887c478bd9Sstevel@tonic-gate pmatch = NULL; 52897c478bd9Sstevel@tonic-gate nelements = 0; 52907c478bd9Sstevel@tonic-gate } 52917c478bd9Sstevel@tonic-gate 52927c478bd9Sstevel@tonic-gate if (regcomp(&re1, file_re, REG_EXTENDED) != 0) { 52937c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 52947c478bd9Sstevel@tonic-gate free(pmatch); 52957c478bd9Sstevel@tonic-gate } 52967c478bd9Sstevel@tonic-gate return (0); 52977c478bd9Sstevel@tonic-gate } 52987c478bd9Sstevel@tonic-gate 52997c478bd9Sstevel@tonic-gate if (regexec(&re1, file, nelements, pmatch, 0) == 0) { 53007c478bd9Sstevel@tonic-gate match = 1; 53017c478bd9Sstevel@tonic-gate } 53027c478bd9Sstevel@tonic-gate 53037c478bd9Sstevel@tonic-gate if ((match != 0) && (subexp != 0)) { 53047c478bd9Sstevel@tonic-gate int size = pmatch[subexp].rm_eo - pmatch[subexp].rm_so; 53057c478bd9Sstevel@tonic-gate *id = s_malloc(size + 1); 53067c478bd9Sstevel@tonic-gate (void) strncpy(*id, &file[pmatch[subexp].rm_so], size); 53077c478bd9Sstevel@tonic-gate (*id)[size] = '\0'; 53087c478bd9Sstevel@tonic-gate } 53097c478bd9Sstevel@tonic-gate 53107c478bd9Sstevel@tonic-gate if (pmatch != NULL) { 53117c478bd9Sstevel@tonic-gate free(pmatch); 53127c478bd9Sstevel@tonic-gate } 53137c478bd9Sstevel@tonic-gate regfree(&re1); 53147c478bd9Sstevel@tonic-gate return (match); 53157c478bd9Sstevel@tonic-gate } 53167c478bd9Sstevel@tonic-gate 53177c478bd9Sstevel@tonic-gate /* 53187c478bd9Sstevel@tonic-gate * This function is called for every file which matched the leaf 53197c478bd9Sstevel@tonic-gate * component of the RE. If the "numeral_id" is not already on the 53207c478bd9Sstevel@tonic-gate * numeral set's numeral list, add it and its physical path. 53217c478bd9Sstevel@tonic-gate */ 53227c478bd9Sstevel@tonic-gate static void 53237c478bd9Sstevel@tonic-gate create_cached_numeral(char *path, numeral_set_t *setp, char *numeral_id, 53247c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[], int index) 53257c478bd9Sstevel@tonic-gate { 53267c478bd9Sstevel@tonic-gate char linkbuf[PATH_MAX + 1]; 53277c478bd9Sstevel@tonic-gate char lpath[PATH_MAX + 1]; 53287c478bd9Sstevel@tonic-gate char *linkptr, *cmp_str; 53297c478bd9Sstevel@tonic-gate numeral_t *np; 53307c478bd9Sstevel@tonic-gate int linksize; 53317c478bd9Sstevel@tonic-gate struct stat sb; 53327c478bd9Sstevel@tonic-gate const char *fcn = "create_cached_numeral"; 53337c478bd9Sstevel@tonic-gate 53347c478bd9Sstevel@tonic-gate assert(index >= 0 && index < setp->re_count); 53357c478bd9Sstevel@tonic-gate assert(strcmp(rules[index].re, setp->re[index]) == 0); 53367c478bd9Sstevel@tonic-gate 53377c478bd9Sstevel@tonic-gate /* 53387c478bd9Sstevel@tonic-gate * We found a numeral_id from an entry in /dev which matched 53397c478bd9Sstevel@tonic-gate * the re passed in from devfsadm_enumerate. We only need to make sure 53407c478bd9Sstevel@tonic-gate * ONE copy of numeral_id exists on the numeral list. We only need 53417c478bd9Sstevel@tonic-gate * to store /dev/dsk/cNtod0s0 and no other entries hanging off 53427c478bd9Sstevel@tonic-gate * of controller N. 53437c478bd9Sstevel@tonic-gate */ 53447c478bd9Sstevel@tonic-gate for (np = setp->headnumeral; np != NULL; np = np->next) { 53457c478bd9Sstevel@tonic-gate if (strcmp(numeral_id, np->id) == 0) { 53467c478bd9Sstevel@tonic-gate return; 53477c478bd9Sstevel@tonic-gate } 53487c478bd9Sstevel@tonic-gate } 53497c478bd9Sstevel@tonic-gate 53507c478bd9Sstevel@tonic-gate /* NOT on list, so add it */ 53517c478bd9Sstevel@tonic-gate 53527c478bd9Sstevel@tonic-gate (void) strcpy(lpath, path); 53537c478bd9Sstevel@tonic-gate /* 53547c478bd9Sstevel@tonic-gate * If path is a dir, it is changed to the first symbolic link it find 53557c478bd9Sstevel@tonic-gate * if it finds one. 53567c478bd9Sstevel@tonic-gate */ 53577c478bd9Sstevel@tonic-gate if (get_stat_info(lpath, &sb) == DEVFSADM_FAILURE) { 53587c478bd9Sstevel@tonic-gate return; 53597c478bd9Sstevel@tonic-gate } 53607c478bd9Sstevel@tonic-gate 53617c478bd9Sstevel@tonic-gate /* If we get here, we found a symlink */ 53627c478bd9Sstevel@tonic-gate linksize = readlink(lpath, linkbuf, PATH_MAX); 53637c478bd9Sstevel@tonic-gate 53647c478bd9Sstevel@tonic-gate if (linksize <= 0) { 53657c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, lpath, strerror(errno)); 53667c478bd9Sstevel@tonic-gate return; 53677c478bd9Sstevel@tonic-gate } 53687c478bd9Sstevel@tonic-gate 53697c478bd9Sstevel@tonic-gate linkbuf[linksize] = '\0'; 53707c478bd9Sstevel@tonic-gate 53717c478bd9Sstevel@tonic-gate /* 53727c478bd9Sstevel@tonic-gate * the following just points linkptr to the root of the /devices 53737c478bd9Sstevel@tonic-gate * node if it is a minor node, otherwise, to the first char of 53747c478bd9Sstevel@tonic-gate * linkbuf if it is a link. 53757c478bd9Sstevel@tonic-gate */ 53767c478bd9Sstevel@tonic-gate (void) is_minor_node(linkbuf, &linkptr); 53777c478bd9Sstevel@tonic-gate 53787c478bd9Sstevel@tonic-gate cmp_str = alloc_cmp_str(linkptr, &rules[index]); 53797c478bd9Sstevel@tonic-gate if (cmp_str == NULL) { 53807c478bd9Sstevel@tonic-gate return; 53817c478bd9Sstevel@tonic-gate } 53827c478bd9Sstevel@tonic-gate 53837c478bd9Sstevel@tonic-gate np = s_malloc(sizeof (numeral_t)); 53847c478bd9Sstevel@tonic-gate 53857c478bd9Sstevel@tonic-gate np->id = s_strdup(numeral_id); 53867c478bd9Sstevel@tonic-gate np->full_path = s_strdup(linkptr); 53877c478bd9Sstevel@tonic-gate np->rule_index = index; 53887c478bd9Sstevel@tonic-gate np->cmp_str = cmp_str; 53897c478bd9Sstevel@tonic-gate 53907c478bd9Sstevel@tonic-gate np->next = setp->headnumeral; 53917c478bd9Sstevel@tonic-gate setp->headnumeral = np; 53927c478bd9Sstevel@tonic-gate } 53937c478bd9Sstevel@tonic-gate 53947c478bd9Sstevel@tonic-gate 53957c478bd9Sstevel@tonic-gate /* 53967c478bd9Sstevel@tonic-gate * This should be called either before or after granting access to a 53977c478bd9Sstevel@tonic-gate * command line version of devfsadm running, since it may have changed 53987c478bd9Sstevel@tonic-gate * the state of /dev. It forces future enumerate calls to re-build 53997c478bd9Sstevel@tonic-gate * cached information from /dev. 54007c478bd9Sstevel@tonic-gate */ 54017c478bd9Sstevel@tonic-gate void 54027c478bd9Sstevel@tonic-gate invalidate_enumerate_cache(void) 54037c478bd9Sstevel@tonic-gate { 54047c478bd9Sstevel@tonic-gate numeral_set_t *setp; 54057c478bd9Sstevel@tonic-gate numeral_set_t *savedsetp; 54067c478bd9Sstevel@tonic-gate numeral_t *savednumset; 54077c478bd9Sstevel@tonic-gate numeral_t *numset; 54087c478bd9Sstevel@tonic-gate int i; 54097c478bd9Sstevel@tonic-gate 54107c478bd9Sstevel@tonic-gate for (setp = head_numeral_set; setp != NULL; ) { 54117c478bd9Sstevel@tonic-gate /* 54127c478bd9Sstevel@tonic-gate * check all regexp's passed in function against 54137c478bd9Sstevel@tonic-gate * those in cached set. 54147c478bd9Sstevel@tonic-gate */ 54157c478bd9Sstevel@tonic-gate 54167c478bd9Sstevel@tonic-gate savedsetp = setp; 54177c478bd9Sstevel@tonic-gate setp = setp->next; 54187c478bd9Sstevel@tonic-gate 54197c478bd9Sstevel@tonic-gate for (i = 0; i < savedsetp->re_count; i++) { 54207c478bd9Sstevel@tonic-gate free(savedsetp->re[i]); 54217c478bd9Sstevel@tonic-gate } 54227c478bd9Sstevel@tonic-gate free(savedsetp->re); 54237c478bd9Sstevel@tonic-gate 54247c478bd9Sstevel@tonic-gate for (numset = savedsetp->headnumeral; numset != NULL; ) { 54257c478bd9Sstevel@tonic-gate savednumset = numset; 54267c478bd9Sstevel@tonic-gate numset = numset->next; 54277c478bd9Sstevel@tonic-gate assert(savednumset->rule_index < savedsetp->re_count); 54287c478bd9Sstevel@tonic-gate free(savednumset->id); 54297c478bd9Sstevel@tonic-gate free(savednumset->full_path); 54307c478bd9Sstevel@tonic-gate free(savednumset->cmp_str); 54317c478bd9Sstevel@tonic-gate free(savednumset); 54327c478bd9Sstevel@tonic-gate } 54337c478bd9Sstevel@tonic-gate free(savedsetp); 54347c478bd9Sstevel@tonic-gate } 54357c478bd9Sstevel@tonic-gate head_numeral_set = NULL; 54367c478bd9Sstevel@tonic-gate } 54377c478bd9Sstevel@tonic-gate 54387c478bd9Sstevel@tonic-gate /* 54397c478bd9Sstevel@tonic-gate * Copies over links from /dev to <root>/dev and device special files in 54407c478bd9Sstevel@tonic-gate * /devices to <root>/devices, preserving the existing file modes. If 54417c478bd9Sstevel@tonic-gate * the link or special file already exists on <root>, skip the copy. (it 54427c478bd9Sstevel@tonic-gate * would exist only if a package hard coded it there, so assume package 54437c478bd9Sstevel@tonic-gate * knows best?). Use /etc/name_to_major and <root>/etc/name_to_major to 54447c478bd9Sstevel@tonic-gate * make translations for major numbers on device special files. No need to 54457c478bd9Sstevel@tonic-gate * make a translation on minor_perm since if the file was created in the 54467c478bd9Sstevel@tonic-gate * miniroot then it would presumably have the same minor_perm entry in 54477c478bd9Sstevel@tonic-gate * <root>/etc/minor_perm. To be used only by install. 54487c478bd9Sstevel@tonic-gate */ 54497c478bd9Sstevel@tonic-gate int 54507c478bd9Sstevel@tonic-gate devfsadm_copy(void) 54517c478bd9Sstevel@tonic-gate { 54527c478bd9Sstevel@tonic-gate char filename[PATH_MAX + 1]; 54537c478bd9Sstevel@tonic-gate 54547c478bd9Sstevel@tonic-gate /* load the installed root's name_to_major for translations */ 54557c478bd9Sstevel@tonic-gate (void) snprintf(filename, sizeof (filename), "%s%s", root_dir, 54567c478bd9Sstevel@tonic-gate NAME_TO_MAJOR); 54577c478bd9Sstevel@tonic-gate if (load_n2m_table(filename) == DEVFSADM_FAILURE) { 54587c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 54597c478bd9Sstevel@tonic-gate } 54607c478bd9Sstevel@tonic-gate 54617c478bd9Sstevel@tonic-gate /* Copy /dev to target disk. No need to copy /devices with devfs */ 54627c478bd9Sstevel@tonic-gate (void) nftw(DEV, devfsadm_copy_file, 20, FTW_PHYS); 54637c478bd9Sstevel@tonic-gate 54647c478bd9Sstevel@tonic-gate /* Let install handle copying over path_to_inst */ 54657c478bd9Sstevel@tonic-gate 54667c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54677c478bd9Sstevel@tonic-gate } 54687c478bd9Sstevel@tonic-gate 54697c478bd9Sstevel@tonic-gate /* 54707c478bd9Sstevel@tonic-gate * This function copies links, dirs, and device special files. 54717c478bd9Sstevel@tonic-gate * Note that it always returns DEVFSADM_SUCCESS, so that nftw doesn't 54727c478bd9Sstevel@tonic-gate * abort. 54737c478bd9Sstevel@tonic-gate */ 54747c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 54757c478bd9Sstevel@tonic-gate static int 54767c478bd9Sstevel@tonic-gate devfsadm_copy_file(const char *file, const struct stat *stat, 54777c478bd9Sstevel@tonic-gate int flags, struct FTW *ftw) 54787c478bd9Sstevel@tonic-gate { 54797c478bd9Sstevel@tonic-gate struct stat sp; 54807c478bd9Sstevel@tonic-gate dev_t newdev; 54817c478bd9Sstevel@tonic-gate char newfile[PATH_MAX + 1]; 54827c478bd9Sstevel@tonic-gate char linkcontents[PATH_MAX + 1]; 54837c478bd9Sstevel@tonic-gate int bytes; 54847c478bd9Sstevel@tonic-gate const char *fcn = "devfsadm_copy_file"; 54857c478bd9Sstevel@tonic-gate 54867c478bd9Sstevel@tonic-gate (void) strcpy(newfile, root_dir); 54877c478bd9Sstevel@tonic-gate (void) strcat(newfile, "/"); 54887c478bd9Sstevel@tonic-gate (void) strcat(newfile, file); 54897c478bd9Sstevel@tonic-gate 54907c478bd9Sstevel@tonic-gate if (lstat(newfile, &sp) == 0) { 54917c478bd9Sstevel@tonic-gate /* newfile already exists, so no need to continue */ 54927c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 54937c478bd9Sstevel@tonic-gate } 54947c478bd9Sstevel@tonic-gate 54957c478bd9Sstevel@tonic-gate if (((stat->st_mode & S_IFMT) == S_IFBLK) || 54967c478bd9Sstevel@tonic-gate ((stat->st_mode & S_IFMT) == S_IFCHR)) { 54977c478bd9Sstevel@tonic-gate if (translate_major(stat->st_rdev, &newdev) == 54987c478bd9Sstevel@tonic-gate DEVFSADM_FAILURE) { 54997c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55007c478bd9Sstevel@tonic-gate } 55017c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, newdev) == -1) { 55027c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 55037c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55047c478bd9Sstevel@tonic-gate } 55057c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFDIR) { 55067c478bd9Sstevel@tonic-gate if (mknod(newfile, stat->st_mode, 0) == -1) { 55077c478bd9Sstevel@tonic-gate err_print(MKNOD_FAILED, newfile, strerror(errno)); 55087c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55097c478bd9Sstevel@tonic-gate } 55107c478bd9Sstevel@tonic-gate } else if ((stat->st_mode & S_IFMT) == S_IFLNK) { 55117c478bd9Sstevel@tonic-gate if ((bytes = readlink(file, linkcontents, PATH_MAX)) == -1) { 55127c478bd9Sstevel@tonic-gate err_print(READLINK_FAILED, fcn, file, strerror(errno)); 55137c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55147c478bd9Sstevel@tonic-gate } 55157c478bd9Sstevel@tonic-gate linkcontents[bytes] = '\0'; 55167c478bd9Sstevel@tonic-gate if (symlink(linkcontents, newfile) == -1) { 55177c478bd9Sstevel@tonic-gate err_print(SYMLINK_FAILED, newfile, newfile, 55187c478bd9Sstevel@tonic-gate strerror(errno)); 55197c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55207c478bd9Sstevel@tonic-gate } 55217c478bd9Sstevel@tonic-gate } 55227c478bd9Sstevel@tonic-gate 55237c478bd9Sstevel@tonic-gate (void) lchown(newfile, stat->st_uid, stat->st_gid); 55247c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55257c478bd9Sstevel@tonic-gate } 55267c478bd9Sstevel@tonic-gate 55277c478bd9Sstevel@tonic-gate /* 55287c478bd9Sstevel@tonic-gate * Given a dev_t from the running kernel, return the new_dev_t 55297c478bd9Sstevel@tonic-gate * by translating to the major number found on the installed 55307c478bd9Sstevel@tonic-gate * target's root name_to_major file. 55317c478bd9Sstevel@tonic-gate */ 55327c478bd9Sstevel@tonic-gate static int 55337c478bd9Sstevel@tonic-gate translate_major(dev_t old_dev, dev_t *new_dev) 55347c478bd9Sstevel@tonic-gate { 55357c478bd9Sstevel@tonic-gate major_t oldmajor; 55367c478bd9Sstevel@tonic-gate major_t newmajor; 55377c478bd9Sstevel@tonic-gate minor_t oldminor; 55387c478bd9Sstevel@tonic-gate minor_t newminor; 55397c478bd9Sstevel@tonic-gate char cdriver[FILENAME_MAX + 1]; 55407c478bd9Sstevel@tonic-gate char driver[FILENAME_MAX + 1]; 55417c478bd9Sstevel@tonic-gate char *fcn = "translate_major: "; 55427c478bd9Sstevel@tonic-gate 55437c478bd9Sstevel@tonic-gate oldmajor = major(old_dev); 55447c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, driver, sizeof (driver), 55457c478bd9Sstevel@tonic-gate &oldmajor) != 0) { 55467c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55477c478bd9Sstevel@tonic-gate } 55487c478bd9Sstevel@tonic-gate 55497c478bd9Sstevel@tonic-gate if (strcmp(driver, "clone") != 0) { 55507c478bd9Sstevel@tonic-gate /* non-clone case */ 55517c478bd9Sstevel@tonic-gate 55527c478bd9Sstevel@tonic-gate /* look up major number is target's name2major */ 55537c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 55547c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55557c478bd9Sstevel@tonic-gate } 55567c478bd9Sstevel@tonic-gate 55577c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, minor(old_dev)); 55587c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 55597c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: %lu,%lu " 55607c478bd9Sstevel@tonic-gate "new: %lu,%lu\n", fcn, driver, major(old_dev), 55617c478bd9Sstevel@tonic-gate minor(old_dev), major(*new_dev), 55627c478bd9Sstevel@tonic-gate minor(*new_dev)); 55637c478bd9Sstevel@tonic-gate } 55647c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55657c478bd9Sstevel@tonic-gate } else { 55667c478bd9Sstevel@tonic-gate /* 55677c478bd9Sstevel@tonic-gate * The clone is a special case. Look at its minor 55687c478bd9Sstevel@tonic-gate * number since it is the major number of the real driver. 55697c478bd9Sstevel@tonic-gate */ 55707c478bd9Sstevel@tonic-gate if (get_major_no(driver, &newmajor) == DEVFSADM_FAILURE) { 55717c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55727c478bd9Sstevel@tonic-gate } 55737c478bd9Sstevel@tonic-gate 55747c478bd9Sstevel@tonic-gate oldminor = minor(old_dev); 55757c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, cdriver, sizeof (cdriver), 55767c478bd9Sstevel@tonic-gate &oldminor) != 0) { 55777c478bd9Sstevel@tonic-gate err_print(MODGETNAME_FAILED, oldminor); 55787c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55797c478bd9Sstevel@tonic-gate } 55807c478bd9Sstevel@tonic-gate 55817c478bd9Sstevel@tonic-gate if (get_major_no(cdriver, &newminor) == DEVFSADM_FAILURE) { 55827c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 55837c478bd9Sstevel@tonic-gate } 55847c478bd9Sstevel@tonic-gate 55857c478bd9Sstevel@tonic-gate *new_dev = makedev(newmajor, newminor); 55867c478bd9Sstevel@tonic-gate if (old_dev != *new_dev) { 55877c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "%sdriver: %s old: " 55887c478bd9Sstevel@tonic-gate "%lu,%lu new: %lu,%lu\n", fcn, driver, 55897c478bd9Sstevel@tonic-gate major(old_dev), minor(old_dev), 55907c478bd9Sstevel@tonic-gate major(*new_dev), minor(*new_dev)); 55917c478bd9Sstevel@tonic-gate } 55927c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 55937c478bd9Sstevel@tonic-gate } 55947c478bd9Sstevel@tonic-gate } 55957c478bd9Sstevel@tonic-gate 55967c478bd9Sstevel@tonic-gate /* 55977c478bd9Sstevel@tonic-gate * 55987c478bd9Sstevel@tonic-gate * Find the major number for driver, searching the n2m_list that was 55997c478bd9Sstevel@tonic-gate * built in load_n2m_table(). 56007c478bd9Sstevel@tonic-gate */ 56017c478bd9Sstevel@tonic-gate static int 56027c478bd9Sstevel@tonic-gate get_major_no(char *driver, major_t *major) 56037c478bd9Sstevel@tonic-gate { 56047c478bd9Sstevel@tonic-gate n2m_t *ptr; 56057c478bd9Sstevel@tonic-gate 56067c478bd9Sstevel@tonic-gate for (ptr = n2m_list; ptr != NULL; ptr = ptr->next) { 56077c478bd9Sstevel@tonic-gate if (strcmp(ptr->driver, driver) == 0) { 56087c478bd9Sstevel@tonic-gate *major = ptr->major; 56097c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 56107c478bd9Sstevel@tonic-gate } 56117c478bd9Sstevel@tonic-gate } 56127c478bd9Sstevel@tonic-gate err_print(FIND_MAJOR_FAILED, driver); 56137c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 56147c478bd9Sstevel@tonic-gate } 56157c478bd9Sstevel@tonic-gate 56167c478bd9Sstevel@tonic-gate /* 56177c478bd9Sstevel@tonic-gate * Loads a name_to_major table into memory. Used only for suninstall's 56187c478bd9Sstevel@tonic-gate * private -R option to devfsadm, to translate major numbers from the 56197c478bd9Sstevel@tonic-gate * running to the installed target disk. 56207c478bd9Sstevel@tonic-gate */ 56217c478bd9Sstevel@tonic-gate static int 56227c478bd9Sstevel@tonic-gate load_n2m_table(char *file) 56237c478bd9Sstevel@tonic-gate { 56247c478bd9Sstevel@tonic-gate FILE *fp; 56251ca93273Seota char line[1024], *cp; 56267c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 56277c478bd9Sstevel@tonic-gate major_t major; 56287c478bd9Sstevel@tonic-gate n2m_t *ptr; 56297c478bd9Sstevel@tonic-gate int ln = 0; 56307c478bd9Sstevel@tonic-gate 56317c478bd9Sstevel@tonic-gate if ((fp = fopen(file, "r")) == NULL) { 56327c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, file, strerror(errno)); 56337c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 56347c478bd9Sstevel@tonic-gate } 56357c478bd9Sstevel@tonic-gate 56367c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 56377c478bd9Sstevel@tonic-gate ln++; 56381ca93273Seota /* cut off comments starting with '#' */ 56391ca93273Seota if ((cp = strchr(line, '#')) != NULL) 56401ca93273Seota *cp = '\0'; 56411ca93273Seota /* ignore comment or blank lines */ 56421ca93273Seota if (is_blank(line)) 56437c478bd9Sstevel@tonic-gate continue; 56441ca93273Seota /* sanity-check */ 56457c478bd9Sstevel@tonic-gate if (sscanf(line, "%1024s%lu", driver, &major) != 2) { 56467c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, file); 56477c478bd9Sstevel@tonic-gate continue; 56487c478bd9Sstevel@tonic-gate } 56497c478bd9Sstevel@tonic-gate ptr = (n2m_t *)s_malloc(sizeof (n2m_t)); 56507c478bd9Sstevel@tonic-gate ptr->major = major; 56517c478bd9Sstevel@tonic-gate ptr->driver = s_strdup(driver); 56527c478bd9Sstevel@tonic-gate ptr->next = n2m_list; 56537c478bd9Sstevel@tonic-gate n2m_list = ptr; 56547c478bd9Sstevel@tonic-gate } 56557c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 56567c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, file, strerror(errno)); 56577c478bd9Sstevel@tonic-gate } 56587c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 56597c478bd9Sstevel@tonic-gate } 56607c478bd9Sstevel@tonic-gate 56617c478bd9Sstevel@tonic-gate /* 56627c478bd9Sstevel@tonic-gate * Called at devfsadm startup to read in the devlink.tab file. Creates 56637c478bd9Sstevel@tonic-gate * a linked list of devlinktab_list structures which will be 56647c478bd9Sstevel@tonic-gate * searched for every minor node. 56657c478bd9Sstevel@tonic-gate */ 56667c478bd9Sstevel@tonic-gate static void 56677c478bd9Sstevel@tonic-gate read_devlinktab_file(void) 56687c478bd9Sstevel@tonic-gate { 56697c478bd9Sstevel@tonic-gate devlinktab_list_t *headp = NULL; 56707c478bd9Sstevel@tonic-gate devlinktab_list_t *entryp; 56717c478bd9Sstevel@tonic-gate devlinktab_list_t **previous; 56727c478bd9Sstevel@tonic-gate devlinktab_list_t *save; 56731ca93273Seota char line[MAX_DEVLINK_LINE], *cp; 56747c478bd9Sstevel@tonic-gate char *selector; 56757c478bd9Sstevel@tonic-gate char *p_link; 56767c478bd9Sstevel@tonic-gate char *s_link; 56777c478bd9Sstevel@tonic-gate FILE *fp; 56787c478bd9Sstevel@tonic-gate int i; 56797c478bd9Sstevel@tonic-gate static struct stat cached_sb; 56807c478bd9Sstevel@tonic-gate struct stat current_sb; 56817c478bd9Sstevel@tonic-gate static int cached = FALSE; 56827c478bd9Sstevel@tonic-gate 56837c478bd9Sstevel@tonic-gate if (devlinktab_file == NULL) { 56847c478bd9Sstevel@tonic-gate return; 56857c478bd9Sstevel@tonic-gate } 56867c478bd9Sstevel@tonic-gate 56877c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, ¤t_sb); 56887c478bd9Sstevel@tonic-gate 56897c478bd9Sstevel@tonic-gate /* if already cached, check to see if it is still valid */ 56907c478bd9Sstevel@tonic-gate if (cached == TRUE) { 56917c478bd9Sstevel@tonic-gate 56927c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 56937c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", devlinktab_file); 56947c478bd9Sstevel@tonic-gate return; 56957c478bd9Sstevel@tonic-gate } 56967c478bd9Sstevel@tonic-gate 56977c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", devlinktab_file); 56987c478bd9Sstevel@tonic-gate 56997c478bd9Sstevel@tonic-gate while (devlinktab_list != NULL) { 57007c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->p_link); 57017c478bd9Sstevel@tonic-gate free_link_list(devlinktab_list->s_link); 57027c478bd9Sstevel@tonic-gate free_selector_list(devlinktab_list->selector); 57037c478bd9Sstevel@tonic-gate free(devlinktab_list->selector_pattern); 57047c478bd9Sstevel@tonic-gate free(devlinktab_list->p_link_pattern); 57057c478bd9Sstevel@tonic-gate if (devlinktab_list->s_link_pattern != NULL) { 57067c478bd9Sstevel@tonic-gate free(devlinktab_list->s_link_pattern); 57077c478bd9Sstevel@tonic-gate } 57087c478bd9Sstevel@tonic-gate save = devlinktab_list; 57097c478bd9Sstevel@tonic-gate devlinktab_list = devlinktab_list->next; 57107c478bd9Sstevel@tonic-gate free(save); 57117c478bd9Sstevel@tonic-gate } 57127c478bd9Sstevel@tonic-gate } else { 57137c478bd9Sstevel@tonic-gate cached = TRUE; 57147c478bd9Sstevel@tonic-gate } 57157c478bd9Sstevel@tonic-gate 57167c478bd9Sstevel@tonic-gate (void) stat(devlinktab_file, &cached_sb); 57177c478bd9Sstevel@tonic-gate 57187c478bd9Sstevel@tonic-gate if ((fp = fopen(devlinktab_file, "r")) == NULL) { 57197c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, devlinktab_file, strerror(errno)); 57207c478bd9Sstevel@tonic-gate return; 57217c478bd9Sstevel@tonic-gate } 57227c478bd9Sstevel@tonic-gate 57237c478bd9Sstevel@tonic-gate previous = &headp; 57247c478bd9Sstevel@tonic-gate 57257c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 57267c478bd9Sstevel@tonic-gate devlinktab_line++; 57277c478bd9Sstevel@tonic-gate i = strlen(line); 57287c478bd9Sstevel@tonic-gate if (line[i-1] == NEWLINE) { 57297c478bd9Sstevel@tonic-gate line[i-1] = '\0'; 57307c478bd9Sstevel@tonic-gate } else if (i == sizeof (line-1)) { 57317c478bd9Sstevel@tonic-gate err_print(LINE_TOO_LONG, devlinktab_line, 57327c478bd9Sstevel@tonic-gate devlinktab_file, sizeof (line)-1); 57337c478bd9Sstevel@tonic-gate while (((i = getc(fp)) != '\n') && (i != EOF)); 57347c478bd9Sstevel@tonic-gate continue; 57357c478bd9Sstevel@tonic-gate } 57367c478bd9Sstevel@tonic-gate 57371ca93273Seota /* cut off comments starting with '#' */ 57381ca93273Seota if ((cp = strchr(line, '#')) != NULL) 57391ca93273Seota *cp = '\0'; 57401ca93273Seota /* ignore comment or blank lines */ 57411ca93273Seota if (is_blank(line)) 57427c478bd9Sstevel@tonic-gate continue; 57437c478bd9Sstevel@tonic-gate 57447c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "table: %s line %d: '%s'\n", 57457c478bd9Sstevel@tonic-gate devlinktab_file, devlinktab_line, line); 57467c478bd9Sstevel@tonic-gate 57477c478bd9Sstevel@tonic-gate /* break each entry into fields. s_link may be NULL */ 57487c478bd9Sstevel@tonic-gate if (split_devlinktab_entry(line, &selector, &p_link, 57497c478bd9Sstevel@tonic-gate &s_link) == DEVFSADM_FAILURE) { 57507c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry returns failure\n"); 57517c478bd9Sstevel@tonic-gate continue; 57527c478bd9Sstevel@tonic-gate } else { 57537c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "split_entry selector='%s' " 57547c478bd9Sstevel@tonic-gate "p_link='%s' s_link='%s'\n\n", selector, 57557c478bd9Sstevel@tonic-gate p_link, (s_link == NULL) ? "" : s_link); 57567c478bd9Sstevel@tonic-gate } 57577c478bd9Sstevel@tonic-gate 57587c478bd9Sstevel@tonic-gate entryp = (devlinktab_list_t *) 57597c478bd9Sstevel@tonic-gate s_malloc(sizeof (devlinktab_list_t)); 57607c478bd9Sstevel@tonic-gate 57617c478bd9Sstevel@tonic-gate entryp->line_number = devlinktab_line; 57627c478bd9Sstevel@tonic-gate 57637c478bd9Sstevel@tonic-gate if ((entryp->selector = 57647c478bd9Sstevel@tonic-gate create_selector_list(selector)) == NULL) { 57657c478bd9Sstevel@tonic-gate free(entryp); 57667c478bd9Sstevel@tonic-gate continue; 57677c478bd9Sstevel@tonic-gate } 57687c478bd9Sstevel@tonic-gate entryp->selector_pattern = s_strdup(selector); 57697c478bd9Sstevel@tonic-gate 57707c478bd9Sstevel@tonic-gate if ((entryp->p_link = create_link_list(p_link)) == NULL) { 57717c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 57727c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 57737c478bd9Sstevel@tonic-gate free(entryp); 57747c478bd9Sstevel@tonic-gate continue; 57757c478bd9Sstevel@tonic-gate } 57767c478bd9Sstevel@tonic-gate 57777c478bd9Sstevel@tonic-gate entryp->p_link_pattern = s_strdup(p_link); 57787c478bd9Sstevel@tonic-gate 57797c478bd9Sstevel@tonic-gate if (s_link != NULL) { 57807c478bd9Sstevel@tonic-gate if ((entryp->s_link = 57817c478bd9Sstevel@tonic-gate create_link_list(s_link)) == NULL) { 57827c478bd9Sstevel@tonic-gate free_selector_list(entryp->selector); 57837c478bd9Sstevel@tonic-gate free_link_list(entryp->p_link); 57847c478bd9Sstevel@tonic-gate free(entryp->selector_pattern); 57857c478bd9Sstevel@tonic-gate free(entryp->p_link_pattern); 57867c478bd9Sstevel@tonic-gate free(entryp); 57877c478bd9Sstevel@tonic-gate continue; 57887c478bd9Sstevel@tonic-gate } 57897c478bd9Sstevel@tonic-gate entryp->s_link_pattern = s_strdup(s_link); 57907c478bd9Sstevel@tonic-gate } else { 57917c478bd9Sstevel@tonic-gate entryp->s_link = NULL; 57927c478bd9Sstevel@tonic-gate entryp->s_link_pattern = NULL; 57937c478bd9Sstevel@tonic-gate 57947c478bd9Sstevel@tonic-gate } 57957c478bd9Sstevel@tonic-gate 57967c478bd9Sstevel@tonic-gate /* append to end of list */ 57977c478bd9Sstevel@tonic-gate 57987c478bd9Sstevel@tonic-gate entryp->next = NULL; 57997c478bd9Sstevel@tonic-gate *previous = entryp; 58007c478bd9Sstevel@tonic-gate previous = &(entryp->next); 58017c478bd9Sstevel@tonic-gate } 58027c478bd9Sstevel@tonic-gate if (fclose(fp) == EOF) { 58037c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, devlinktab_file, strerror(errno)); 58047c478bd9Sstevel@tonic-gate } 58057c478bd9Sstevel@tonic-gate devlinktab_list = headp; 58067c478bd9Sstevel@tonic-gate } 58077c478bd9Sstevel@tonic-gate 58087c478bd9Sstevel@tonic-gate /* 58097c478bd9Sstevel@tonic-gate * 58107c478bd9Sstevel@tonic-gate * For a single line entry in devlink.tab, split the line into fields 58117c478bd9Sstevel@tonic-gate * selector, p_link, and an optionally s_link. If s_link field is not 58127c478bd9Sstevel@tonic-gate * present, then return NULL in s_link (not NULL string). 58137c478bd9Sstevel@tonic-gate */ 58147c478bd9Sstevel@tonic-gate static int 58157c478bd9Sstevel@tonic-gate split_devlinktab_entry(char *entry, char **selector, char **p_link, 58167c478bd9Sstevel@tonic-gate char **s_link) 58177c478bd9Sstevel@tonic-gate { 58187c478bd9Sstevel@tonic-gate char *tab; 58197c478bd9Sstevel@tonic-gate 58207c478bd9Sstevel@tonic-gate *selector = entry; 58217c478bd9Sstevel@tonic-gate 58227c478bd9Sstevel@tonic-gate if ((tab = strchr(entry, TAB)) != NULL) { 58237c478bd9Sstevel@tonic-gate *tab = '\0'; 58247c478bd9Sstevel@tonic-gate *p_link = ++tab; 58257c478bd9Sstevel@tonic-gate } else { 58267c478bd9Sstevel@tonic-gate err_print(MISSING_TAB, devlinktab_line, devlinktab_file); 58277c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58287c478bd9Sstevel@tonic-gate } 58297c478bd9Sstevel@tonic-gate 58307c478bd9Sstevel@tonic-gate if (*p_link == '\0') { 58317c478bd9Sstevel@tonic-gate err_print(MISSING_DEVNAME, devlinktab_line, devlinktab_file); 58327c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58337c478bd9Sstevel@tonic-gate } 58347c478bd9Sstevel@tonic-gate 58357c478bd9Sstevel@tonic-gate if ((tab = strchr(*p_link, TAB)) != NULL) { 58367c478bd9Sstevel@tonic-gate *tab = '\0'; 58377c478bd9Sstevel@tonic-gate *s_link = ++tab; 58387c478bd9Sstevel@tonic-gate if (strchr(*s_link, TAB) != NULL) { 58397c478bd9Sstevel@tonic-gate err_print(TOO_MANY_FIELDS, devlinktab_line, 58407c478bd9Sstevel@tonic-gate devlinktab_file); 58417c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 58427c478bd9Sstevel@tonic-gate } 58437c478bd9Sstevel@tonic-gate } else { 58447c478bd9Sstevel@tonic-gate *s_link = NULL; 58457c478bd9Sstevel@tonic-gate } 58467c478bd9Sstevel@tonic-gate 58477c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 58487c478bd9Sstevel@tonic-gate } 58497c478bd9Sstevel@tonic-gate 58507c478bd9Sstevel@tonic-gate /* 58517c478bd9Sstevel@tonic-gate * For a given devfs_spec field, for each element in the field, add it to 58527c478bd9Sstevel@tonic-gate * a linked list of devfs_spec structures. Return the linked list in 58537c478bd9Sstevel@tonic-gate * devfs_spec_list. 58547c478bd9Sstevel@tonic-gate */ 58557c478bd9Sstevel@tonic-gate static selector_list_t * 58567c478bd9Sstevel@tonic-gate create_selector_list(char *selector) 58577c478bd9Sstevel@tonic-gate { 58587c478bd9Sstevel@tonic-gate char *key; 58597c478bd9Sstevel@tonic-gate char *val; 58607c478bd9Sstevel@tonic-gate int error = FALSE; 58617c478bd9Sstevel@tonic-gate selector_list_t *head_selector_list = NULL; 58627c478bd9Sstevel@tonic-gate selector_list_t *selector_list; 58637c478bd9Sstevel@tonic-gate 58647c478bd9Sstevel@tonic-gate /* parse_devfs_spec splits the next field into keyword & value */ 58657c478bd9Sstevel@tonic-gate while ((*selector != NULL) && (error == FALSE)) { 58667c478bd9Sstevel@tonic-gate if (parse_selector(&selector, &key, 58677c478bd9Sstevel@tonic-gate &val) == DEVFSADM_FAILURE) { 58687c478bd9Sstevel@tonic-gate error = TRUE; 58697c478bd9Sstevel@tonic-gate break; 58707c478bd9Sstevel@tonic-gate } else { 58717c478bd9Sstevel@tonic-gate selector_list = (selector_list_t *) 58727c478bd9Sstevel@tonic-gate s_malloc(sizeof (selector_list_t)); 58737c478bd9Sstevel@tonic-gate if (strcmp(NAME_S, key) == 0) { 58747c478bd9Sstevel@tonic-gate selector_list->key = NAME; 58757c478bd9Sstevel@tonic-gate } else if (strcmp(TYPE_S, key) == 0) { 58767c478bd9Sstevel@tonic-gate selector_list->key = TYPE; 58777c478bd9Sstevel@tonic-gate } else if (strncmp(ADDR_S, key, ADDR_S_LEN) == 0) { 58787c478bd9Sstevel@tonic-gate selector_list->key = ADDR; 58797c478bd9Sstevel@tonic-gate if (key[ADDR_S_LEN] == '\0') { 58807c478bd9Sstevel@tonic-gate selector_list->arg = 0; 58817c478bd9Sstevel@tonic-gate } else if (isdigit(key[ADDR_S_LEN]) != 58827c478bd9Sstevel@tonic-gate FALSE) { 58837c478bd9Sstevel@tonic-gate selector_list->arg = 58847c478bd9Sstevel@tonic-gate atoi(&key[ADDR_S_LEN]); 58857c478bd9Sstevel@tonic-gate } else { 58867c478bd9Sstevel@tonic-gate error = TRUE; 58877c478bd9Sstevel@tonic-gate free(selector_list); 58887c478bd9Sstevel@tonic-gate err_print(BADKEYWORD, key, 58897c478bd9Sstevel@tonic-gate devlinktab_line, 58907c478bd9Sstevel@tonic-gate devlinktab_file); 58917c478bd9Sstevel@tonic-gate break; 58927c478bd9Sstevel@tonic-gate } 58937c478bd9Sstevel@tonic-gate } else if (strncmp(MINOR_S, key, 58947c478bd9Sstevel@tonic-gate MINOR_S_LEN) == 0) { 58957c478bd9Sstevel@tonic-gate selector_list->key = MINOR; 58967c478bd9Sstevel@tonic-gate if (key[MINOR_S_LEN] == '\0') { 58977c478bd9Sstevel@tonic-gate selector_list->arg = 0; 58987c478bd9Sstevel@tonic-gate } else if (isdigit(key[MINOR_S_LEN]) != 58997c478bd9Sstevel@tonic-gate FALSE) { 59007c478bd9Sstevel@tonic-gate selector_list->arg = 59017c478bd9Sstevel@tonic-gate atoi(&key[MINOR_S_LEN]); 59027c478bd9Sstevel@tonic-gate } else { 59037c478bd9Sstevel@tonic-gate error = TRUE; 59047c478bd9Sstevel@tonic-gate free(selector_list); 59057c478bd9Sstevel@tonic-gate err_print(BADKEYWORD, key, 59067c478bd9Sstevel@tonic-gate devlinktab_line, 59077c478bd9Sstevel@tonic-gate devlinktab_file); 59087c478bd9Sstevel@tonic-gate break; 59097c478bd9Sstevel@tonic-gate } 59107c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "MINOR = %s\n", val); 59117c478bd9Sstevel@tonic-gate } else { 59127c478bd9Sstevel@tonic-gate err_print(UNRECOGNIZED_KEY, key, 59137c478bd9Sstevel@tonic-gate devlinktab_line, devlinktab_file); 59147c478bd9Sstevel@tonic-gate error = TRUE; 59157c478bd9Sstevel@tonic-gate free(selector_list); 59167c478bd9Sstevel@tonic-gate break; 59177c478bd9Sstevel@tonic-gate } 59187c478bd9Sstevel@tonic-gate selector_list->val = s_strdup(val); 59197c478bd9Sstevel@tonic-gate selector_list->next = head_selector_list; 59207c478bd9Sstevel@tonic-gate head_selector_list = selector_list; 59217c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "key='%s' val='%s' arg=%d\n", 59227c478bd9Sstevel@tonic-gate key, val, selector_list->arg); 59237c478bd9Sstevel@tonic-gate } 59247c478bd9Sstevel@tonic-gate } 59257c478bd9Sstevel@tonic-gate 59267c478bd9Sstevel@tonic-gate if ((error == FALSE) && (head_selector_list != NULL)) { 59277c478bd9Sstevel@tonic-gate return (head_selector_list); 59287c478bd9Sstevel@tonic-gate } else { 59297c478bd9Sstevel@tonic-gate /* parse failed. Free any allocated structs */ 59307c478bd9Sstevel@tonic-gate free_selector_list(head_selector_list); 59317c478bd9Sstevel@tonic-gate return (NULL); 59327c478bd9Sstevel@tonic-gate } 59337c478bd9Sstevel@tonic-gate } 59347c478bd9Sstevel@tonic-gate 59357c478bd9Sstevel@tonic-gate /* 59367c478bd9Sstevel@tonic-gate * Takes a semicolon separated list of selector elements and breaks up 59377c478bd9Sstevel@tonic-gate * into a keyword-value pair. semicolon and equal characters are 59387c478bd9Sstevel@tonic-gate * replaced with NULL's. On success, selector is updated to point to the 59397c478bd9Sstevel@tonic-gate * terminating NULL character terminating the keyword-value pair, and the 59407c478bd9Sstevel@tonic-gate * function returns DEVFSADM_SUCCESS. If there is a syntax error, 59417c478bd9Sstevel@tonic-gate * devfs_spec is not modified and function returns DEVFSADM_FAILURE. 59427c478bd9Sstevel@tonic-gate */ 59437c478bd9Sstevel@tonic-gate static int 59447c478bd9Sstevel@tonic-gate parse_selector(char **selector, char **key, char **val) 59457c478bd9Sstevel@tonic-gate { 59467c478bd9Sstevel@tonic-gate char *equal; 59477c478bd9Sstevel@tonic-gate char *semi_colon; 59487c478bd9Sstevel@tonic-gate 59497c478bd9Sstevel@tonic-gate *key = *selector; 59507c478bd9Sstevel@tonic-gate 59517c478bd9Sstevel@tonic-gate if ((equal = strchr(*key, '=')) != NULL) { 59527c478bd9Sstevel@tonic-gate *equal = '\0'; 59537c478bd9Sstevel@tonic-gate } else { 59547c478bd9Sstevel@tonic-gate err_print(MISSING_EQUAL, devlinktab_line, devlinktab_file); 59557c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 59567c478bd9Sstevel@tonic-gate } 59577c478bd9Sstevel@tonic-gate 59587c478bd9Sstevel@tonic-gate *val = ++equal; 59597c478bd9Sstevel@tonic-gate if ((semi_colon = strchr(equal, ';')) != NULL) { 59607c478bd9Sstevel@tonic-gate *semi_colon = '\0'; 59617c478bd9Sstevel@tonic-gate *selector = semi_colon + 1; 59627c478bd9Sstevel@tonic-gate } else { 59637c478bd9Sstevel@tonic-gate *selector = equal + strlen(equal); 59647c478bd9Sstevel@tonic-gate } 59657c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 59667c478bd9Sstevel@tonic-gate } 59677c478bd9Sstevel@tonic-gate 59687c478bd9Sstevel@tonic-gate /* 59697c478bd9Sstevel@tonic-gate * link is either the second or third field of devlink.tab. Parse link 59707c478bd9Sstevel@tonic-gate * into a linked list of devlink structures and return ptr to list. Each 59717c478bd9Sstevel@tonic-gate * list element is either a constant string, or one of the following 59727c478bd9Sstevel@tonic-gate * escape sequences: \M, \A, \N, or \D. The first three escape sequences 59737c478bd9Sstevel@tonic-gate * take a numerical argument. 59747c478bd9Sstevel@tonic-gate */ 59757c478bd9Sstevel@tonic-gate static link_list_t * 59767c478bd9Sstevel@tonic-gate create_link_list(char *link) 59777c478bd9Sstevel@tonic-gate { 59787c478bd9Sstevel@tonic-gate int x = 0; 59797c478bd9Sstevel@tonic-gate int error = FALSE; 59807c478bd9Sstevel@tonic-gate int counter_found = FALSE; 59817c478bd9Sstevel@tonic-gate link_list_t *head = NULL; 59827c478bd9Sstevel@tonic-gate link_list_t **ptr; 59837c478bd9Sstevel@tonic-gate link_list_t *link_list; 59847c478bd9Sstevel@tonic-gate char constant[MAX_DEVLINK_LINE]; 59857c478bd9Sstevel@tonic-gate char *error_str; 59867c478bd9Sstevel@tonic-gate 59877c478bd9Sstevel@tonic-gate if (link == NULL) { 59887c478bd9Sstevel@tonic-gate return (NULL); 59897c478bd9Sstevel@tonic-gate } 59907c478bd9Sstevel@tonic-gate 59917c478bd9Sstevel@tonic-gate while ((*link != '\0') && (error == FALSE)) { 59927c478bd9Sstevel@tonic-gate link_list = (link_list_t *)s_malloc(sizeof (link_list_t)); 59937c478bd9Sstevel@tonic-gate link_list->next = NULL; 59947c478bd9Sstevel@tonic-gate 59957c478bd9Sstevel@tonic-gate while ((*link != '\0') && (*link != '\\')) { 59967c478bd9Sstevel@tonic-gate /* a non-escaped string */ 59977c478bd9Sstevel@tonic-gate constant[x++] = *(link++); 59987c478bd9Sstevel@tonic-gate } 59997c478bd9Sstevel@tonic-gate if (x != 0) { 60007c478bd9Sstevel@tonic-gate constant[x] = '\0'; 60017c478bd9Sstevel@tonic-gate link_list->type = CONSTANT; 60027c478bd9Sstevel@tonic-gate link_list->constant = s_strdup(constant); 60037c478bd9Sstevel@tonic-gate x = 0; 60047c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "CONSTANT FOUND %s\n", constant); 60057c478bd9Sstevel@tonic-gate } else { 60067c478bd9Sstevel@tonic-gate switch (*(++link)) { 60077c478bd9Sstevel@tonic-gate case 'M': 60087c478bd9Sstevel@tonic-gate link_list->type = MINOR; 60097c478bd9Sstevel@tonic-gate break; 60107c478bd9Sstevel@tonic-gate case 'A': 60117c478bd9Sstevel@tonic-gate link_list->type = ADDR; 60127c478bd9Sstevel@tonic-gate break; 60137c478bd9Sstevel@tonic-gate case 'N': 60147c478bd9Sstevel@tonic-gate if (counter_found == TRUE) { 60157c478bd9Sstevel@tonic-gate error = TRUE; 60167c478bd9Sstevel@tonic-gate error_str = "multiple counters " 60177c478bd9Sstevel@tonic-gate "not permitted"; 60187c478bd9Sstevel@tonic-gate free(link_list); 60197c478bd9Sstevel@tonic-gate } else { 60207c478bd9Sstevel@tonic-gate counter_found = TRUE; 60217c478bd9Sstevel@tonic-gate link_list->type = COUNTER; 60227c478bd9Sstevel@tonic-gate } 60237c478bd9Sstevel@tonic-gate break; 60247c478bd9Sstevel@tonic-gate case 'D': 60257c478bd9Sstevel@tonic-gate link_list->type = NAME; 60267c478bd9Sstevel@tonic-gate break; 60277c478bd9Sstevel@tonic-gate default: 60287c478bd9Sstevel@tonic-gate error = TRUE; 60297c478bd9Sstevel@tonic-gate free(link_list); 60307c478bd9Sstevel@tonic-gate error_str = "unrecognized escape sequence"; 60317c478bd9Sstevel@tonic-gate break; 60327c478bd9Sstevel@tonic-gate } 60337c478bd9Sstevel@tonic-gate if (*(link++) != 'D') { 60347c478bd9Sstevel@tonic-gate if (isdigit(*link) == FALSE) { 60357c478bd9Sstevel@tonic-gate error_str = "escape sequence must be " 60367c478bd9Sstevel@tonic-gate "followed by a digit\n"; 60377c478bd9Sstevel@tonic-gate error = TRUE; 60387c478bd9Sstevel@tonic-gate free(link_list); 60397c478bd9Sstevel@tonic-gate } else { 60407c478bd9Sstevel@tonic-gate link_list->arg = 60417c478bd9Sstevel@tonic-gate (int)strtoul(link, &link, 10); 60427c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "link_list->arg = " 60437c478bd9Sstevel@tonic-gate "%d\n", link_list->arg); 60447c478bd9Sstevel@tonic-gate } 60457c478bd9Sstevel@tonic-gate } 60467c478bd9Sstevel@tonic-gate } 60477c478bd9Sstevel@tonic-gate /* append link_list struct to end of list */ 60487c478bd9Sstevel@tonic-gate if (error == FALSE) { 60497c478bd9Sstevel@tonic-gate for (ptr = &head; *ptr != NULL; ptr = &((*ptr)->next)); 60507c478bd9Sstevel@tonic-gate *ptr = link_list; 60517c478bd9Sstevel@tonic-gate } 60527c478bd9Sstevel@tonic-gate } 60537c478bd9Sstevel@tonic-gate 60547c478bd9Sstevel@tonic-gate if (error == FALSE) { 60557c478bd9Sstevel@tonic-gate return (head); 60567c478bd9Sstevel@tonic-gate } else { 60577c478bd9Sstevel@tonic-gate err_print(CONFIG_INCORRECT, devlinktab_line, devlinktab_file, 60587c478bd9Sstevel@tonic-gate error_str); 60597c478bd9Sstevel@tonic-gate free_link_list(head); 60607c478bd9Sstevel@tonic-gate return (NULL); 60617c478bd9Sstevel@tonic-gate } 60627c478bd9Sstevel@tonic-gate } 60637c478bd9Sstevel@tonic-gate 60647c478bd9Sstevel@tonic-gate /* 60657c478bd9Sstevel@tonic-gate * Called for each minor node devfsadm processes; for each minor node, 60667c478bd9Sstevel@tonic-gate * look for matches in the devlinktab_list list which was created on 60677c478bd9Sstevel@tonic-gate * startup read_devlinktab_file(). If there is a match, call build_links() 60687c478bd9Sstevel@tonic-gate * to build a logical devlink and a possible extra devlink. 60697c478bd9Sstevel@tonic-gate */ 60707c478bd9Sstevel@tonic-gate static int 60717c478bd9Sstevel@tonic-gate process_devlink_compat(di_minor_t minor, di_node_t node) 60727c478bd9Sstevel@tonic-gate { 60737c478bd9Sstevel@tonic-gate int link_built = FALSE; 60747c478bd9Sstevel@tonic-gate devlinktab_list_t *entry; 60757c478bd9Sstevel@tonic-gate char *nodetype; 60767c478bd9Sstevel@tonic-gate char *dev_path; 60777c478bd9Sstevel@tonic-gate 60787c478bd9Sstevel@tonic-gate if (devlinks_debug == TRUE) { 60797c478bd9Sstevel@tonic-gate nodetype = di_minor_nodetype(minor); 60807c478bd9Sstevel@tonic-gate assert(nodetype != NULL); 60817c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) != NULL) { 60827c478bd9Sstevel@tonic-gate vprint(INFO_MID, "'%s' entry: %s:%s\n", nodetype, 60837c478bd9Sstevel@tonic-gate dev_path, 60847c478bd9Sstevel@tonic-gate di_minor_name(minor) ? di_minor_name(minor) : 60857c478bd9Sstevel@tonic-gate ""); 60867c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 60877c478bd9Sstevel@tonic-gate } 60887c478bd9Sstevel@tonic-gate 60897c478bd9Sstevel@tonic-gate } 60907c478bd9Sstevel@tonic-gate 60917c478bd9Sstevel@tonic-gate 60927c478bd9Sstevel@tonic-gate /* don't process devlink.tab if devfsadm invoked with -c <class> */ 60937c478bd9Sstevel@tonic-gate if (num_classes > 0) { 60947c478bd9Sstevel@tonic-gate return (FALSE); 60957c478bd9Sstevel@tonic-gate } 60967c478bd9Sstevel@tonic-gate 60977c478bd9Sstevel@tonic-gate for (entry = devlinktab_list; entry != NULL; entry = entry->next) { 60987c478bd9Sstevel@tonic-gate if (devlink_matches(entry, minor, node) == DEVFSADM_SUCCESS) { 60997c478bd9Sstevel@tonic-gate link_built = TRUE; 61007c478bd9Sstevel@tonic-gate (void) build_links(entry, minor, node); 61017c478bd9Sstevel@tonic-gate } 61027c478bd9Sstevel@tonic-gate } 61037c478bd9Sstevel@tonic-gate return (link_built); 61047c478bd9Sstevel@tonic-gate } 61057c478bd9Sstevel@tonic-gate 61067c478bd9Sstevel@tonic-gate /* 61077c478bd9Sstevel@tonic-gate * For a given devlink.tab devlinktab_list entry, see if the selector 61087c478bd9Sstevel@tonic-gate * field matches this minor node. If it does, return DEVFSADM_SUCCESS, 61097c478bd9Sstevel@tonic-gate * otherwise DEVFSADM_FAILURE. 61107c478bd9Sstevel@tonic-gate */ 61117c478bd9Sstevel@tonic-gate static int 61127c478bd9Sstevel@tonic-gate devlink_matches(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 61137c478bd9Sstevel@tonic-gate { 61147c478bd9Sstevel@tonic-gate selector_list_t *selector = entry->selector; 61157c478bd9Sstevel@tonic-gate char *addr; 61167c478bd9Sstevel@tonic-gate char *minor_name; 61177c478bd9Sstevel@tonic-gate char *node_type; 61187c478bd9Sstevel@tonic-gate 61197c478bd9Sstevel@tonic-gate for (; selector != NULL; selector = selector->next) { 61207c478bd9Sstevel@tonic-gate switch (selector->key) { 61217c478bd9Sstevel@tonic-gate case NAME: 61227c478bd9Sstevel@tonic-gate if (strcmp(di_node_name(node), selector->val) != 0) { 61237c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61247c478bd9Sstevel@tonic-gate } 61257c478bd9Sstevel@tonic-gate break; 61267c478bd9Sstevel@tonic-gate case TYPE: 61277c478bd9Sstevel@tonic-gate node_type = di_minor_nodetype(minor); 61287c478bd9Sstevel@tonic-gate assert(node_type != NULL); 61297c478bd9Sstevel@tonic-gate if (strcmp(node_type, selector->val) != 0) { 61307c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61317c478bd9Sstevel@tonic-gate } 61327c478bd9Sstevel@tonic-gate break; 61337c478bd9Sstevel@tonic-gate case ADDR: 61347c478bd9Sstevel@tonic-gate if ((addr = di_bus_addr(node)) == NULL) { 61357c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61367c478bd9Sstevel@tonic-gate } 61377c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 61387c478bd9Sstevel@tonic-gate if (strcmp(addr, selector->val) != 0) { 61397c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61407c478bd9Sstevel@tonic-gate } 61417c478bd9Sstevel@tonic-gate } else { 61427c478bd9Sstevel@tonic-gate if (compare_field(addr, selector->val, 61437c478bd9Sstevel@tonic-gate selector->arg) == DEVFSADM_FAILURE) { 61447c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61457c478bd9Sstevel@tonic-gate } 61467c478bd9Sstevel@tonic-gate } 61477c478bd9Sstevel@tonic-gate break; 61487c478bd9Sstevel@tonic-gate case MINOR: 61497c478bd9Sstevel@tonic-gate if ((minor_name = di_minor_name(minor)) == NULL) { 61507c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61517c478bd9Sstevel@tonic-gate } 61527c478bd9Sstevel@tonic-gate if (selector->arg == 0) { 61537c478bd9Sstevel@tonic-gate if (strcmp(minor_name, selector->val) != 0) { 61547c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61557c478bd9Sstevel@tonic-gate } 61567c478bd9Sstevel@tonic-gate } else { 61577c478bd9Sstevel@tonic-gate if (compare_field(minor_name, selector->val, 61587c478bd9Sstevel@tonic-gate selector->arg) == DEVFSADM_FAILURE) { 61597c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61607c478bd9Sstevel@tonic-gate } 61617c478bd9Sstevel@tonic-gate } 61627c478bd9Sstevel@tonic-gate break; 61637c478bd9Sstevel@tonic-gate default: 61647c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61657c478bd9Sstevel@tonic-gate } 61667c478bd9Sstevel@tonic-gate } 61677c478bd9Sstevel@tonic-gate 61687c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 61697c478bd9Sstevel@tonic-gate } 61707c478bd9Sstevel@tonic-gate 61717c478bd9Sstevel@tonic-gate /* 61727c478bd9Sstevel@tonic-gate * For the given minor node and devlinktab_list entry from devlink.tab, 61737c478bd9Sstevel@tonic-gate * build a logical dev link and a possible extra devlink. 61747c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS if link is created, otherwise DEVFSADM_FAILURE. 61757c478bd9Sstevel@tonic-gate */ 61767c478bd9Sstevel@tonic-gate static int 61777c478bd9Sstevel@tonic-gate build_links(devlinktab_list_t *entry, di_minor_t minor, di_node_t node) 61787c478bd9Sstevel@tonic-gate { 61797c478bd9Sstevel@tonic-gate char secondary_link[PATH_MAX + 1]; 61807c478bd9Sstevel@tonic-gate char primary_link[PATH_MAX + 1]; 61817c478bd9Sstevel@tonic-gate char contents[PATH_MAX + 1]; 61827c478bd9Sstevel@tonic-gate char *dev_path; 61837c478bd9Sstevel@tonic-gate 61847c478bd9Sstevel@tonic-gate if ((dev_path = di_devfs_path(node)) == NULL) { 61857c478bd9Sstevel@tonic-gate err_print(DI_DEVFS_PATH_FAILED, strerror(errno)); 61867c478bd9Sstevel@tonic-gate devfsadm_exit(1); 61877c478bd9Sstevel@tonic-gate } 61887c478bd9Sstevel@tonic-gate (void) strcpy(contents, dev_path); 61897c478bd9Sstevel@tonic-gate di_devfs_path_free(dev_path); 61907c478bd9Sstevel@tonic-gate 61917c478bd9Sstevel@tonic-gate (void) strcat(contents, ":"); 61927c478bd9Sstevel@tonic-gate (void) strcat(contents, di_minor_name(minor)); 61937c478bd9Sstevel@tonic-gate 61947c478bd9Sstevel@tonic-gate if (construct_devlink(primary_link, entry->p_link, contents, 61957c478bd9Sstevel@tonic-gate minor, node, 61967c478bd9Sstevel@tonic-gate entry->p_link_pattern) == DEVFSADM_FAILURE) { 61977c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 61987c478bd9Sstevel@tonic-gate } 61997c478bd9Sstevel@tonic-gate (void) devfsadm_mklink(primary_link, node, minor, 0); 62007c478bd9Sstevel@tonic-gate 62017c478bd9Sstevel@tonic-gate if (entry->s_link == NULL) { 62027c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 62037c478bd9Sstevel@tonic-gate } 62047c478bd9Sstevel@tonic-gate 62057c478bd9Sstevel@tonic-gate if (construct_devlink(secondary_link, entry->s_link, 62067c478bd9Sstevel@tonic-gate primary_link, minor, node, 62077c478bd9Sstevel@tonic-gate entry->s_link_pattern) == DEVFSADM_FAILURE) { 62087c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62097c478bd9Sstevel@tonic-gate } 62107c478bd9Sstevel@tonic-gate 62117c478bd9Sstevel@tonic-gate (void) devfsadm_secondary_link(secondary_link, primary_link, 0); 62127c478bd9Sstevel@tonic-gate 62137c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 62147c478bd9Sstevel@tonic-gate } 62157c478bd9Sstevel@tonic-gate 62167c478bd9Sstevel@tonic-gate /* 62177c478bd9Sstevel@tonic-gate * The counter rule for devlink.tab entries is implemented via 62187c478bd9Sstevel@tonic-gate * devfsadm_enumerate_int_start(). One of the arguments to this function 62197c478bd9Sstevel@tonic-gate * is a path, where each path component is treated as a regular expression. 62207c478bd9Sstevel@tonic-gate * For devlink.tab entries, this path regular expression is derived from 62217c478bd9Sstevel@tonic-gate * the devlink spec. get_anchored_re() accepts path regular expressions derived 62227c478bd9Sstevel@tonic-gate * from devlink.tab entries and inserts the anchors '^' and '$' at the beginning 62237c478bd9Sstevel@tonic-gate * and end respectively of each path component. This is done to prevent 62247c478bd9Sstevel@tonic-gate * false matches. For example, without anchors, "a/([0-9]+)" will match "ab/c9" 62257c478bd9Sstevel@tonic-gate * and incorrect links will be generated. 62267c478bd9Sstevel@tonic-gate */ 62277c478bd9Sstevel@tonic-gate static int 62287c478bd9Sstevel@tonic-gate get_anchored_re(char *link, char *anchored_re, char *pattern) 62297c478bd9Sstevel@tonic-gate { 62307c478bd9Sstevel@tonic-gate if (*link == '/' || *link == '\0') { 62317c478bd9Sstevel@tonic-gate err_print(INVALID_DEVLINK_SPEC, pattern); 62327c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62337c478bd9Sstevel@tonic-gate } 62347c478bd9Sstevel@tonic-gate 62357c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 62367c478bd9Sstevel@tonic-gate for (; *link != '\0'; ) { 62377c478bd9Sstevel@tonic-gate if (*link == '/') { 62387c478bd9Sstevel@tonic-gate while (*link == '/') 62397c478bd9Sstevel@tonic-gate link++; 62407c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 62417c478bd9Sstevel@tonic-gate *anchored_re++ = '/'; 62427c478bd9Sstevel@tonic-gate if (*link != '\0') { 62437c478bd9Sstevel@tonic-gate *anchored_re++ = '^'; 62447c478bd9Sstevel@tonic-gate } 62457c478bd9Sstevel@tonic-gate } else { 62467c478bd9Sstevel@tonic-gate *anchored_re++ = *link++; 62477c478bd9Sstevel@tonic-gate if (*link == '\0') { 62487c478bd9Sstevel@tonic-gate *anchored_re++ = '$'; 62497c478bd9Sstevel@tonic-gate } 62507c478bd9Sstevel@tonic-gate } 62517c478bd9Sstevel@tonic-gate } 62527c478bd9Sstevel@tonic-gate *anchored_re = '\0'; 62537c478bd9Sstevel@tonic-gate 62547c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 62557c478bd9Sstevel@tonic-gate } 62567c478bd9Sstevel@tonic-gate 62577c478bd9Sstevel@tonic-gate static int 62587c478bd9Sstevel@tonic-gate construct_devlink(char *link, link_list_t *link_build, char *contents, 62597c478bd9Sstevel@tonic-gate di_minor_t minor, di_node_t node, char *pattern) 62607c478bd9Sstevel@tonic-gate { 62617c478bd9Sstevel@tonic-gate int counter_offset = -1; 62627c478bd9Sstevel@tonic-gate devfsadm_enumerate_t rules[1] = {NULL}; 62637c478bd9Sstevel@tonic-gate char templink[PATH_MAX + 1]; 62647c478bd9Sstevel@tonic-gate char *buff; 62657c478bd9Sstevel@tonic-gate char start[10]; 62667c478bd9Sstevel@tonic-gate char *node_path; 62677c478bd9Sstevel@tonic-gate char anchored_re[PATH_MAX + 1]; 62687c478bd9Sstevel@tonic-gate 62697c478bd9Sstevel@tonic-gate link[0] = '\0'; 62707c478bd9Sstevel@tonic-gate 62717c478bd9Sstevel@tonic-gate for (; link_build != NULL; link_build = link_build->next) { 62727c478bd9Sstevel@tonic-gate switch (link_build->type) { 62737c478bd9Sstevel@tonic-gate case NAME: 62747c478bd9Sstevel@tonic-gate (void) strcat(link, di_node_name(node)); 62757c478bd9Sstevel@tonic-gate break; 62767c478bd9Sstevel@tonic-gate case CONSTANT: 62777c478bd9Sstevel@tonic-gate (void) strcat(link, link_build->constant); 62787c478bd9Sstevel@tonic-gate break; 62797c478bd9Sstevel@tonic-gate case ADDR: 62807c478bd9Sstevel@tonic-gate if (component_cat(link, di_bus_addr(node), 62817c478bd9Sstevel@tonic-gate link_build->arg) == DEVFSADM_FAILURE) { 62827c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 62837c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 62847c478bd9Sstevel@tonic-gate di_minor_name(minor)); 62857c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 62867c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62877c478bd9Sstevel@tonic-gate } 62887c478bd9Sstevel@tonic-gate break; 62897c478bd9Sstevel@tonic-gate case MINOR: 62907c478bd9Sstevel@tonic-gate if (component_cat(link, di_minor_name(minor), 62917c478bd9Sstevel@tonic-gate link_build->arg) == DEVFSADM_FAILURE) { 62927c478bd9Sstevel@tonic-gate node_path = di_devfs_path(node); 62937c478bd9Sstevel@tonic-gate err_print(CANNOT_BE_USED, pattern, node_path, 62947c478bd9Sstevel@tonic-gate di_minor_name(minor)); 62957c478bd9Sstevel@tonic-gate di_devfs_path_free(node_path); 62967c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 62977c478bd9Sstevel@tonic-gate } 62987c478bd9Sstevel@tonic-gate break; 62997c478bd9Sstevel@tonic-gate case COUNTER: 63007c478bd9Sstevel@tonic-gate counter_offset = strlen(link); 63017c478bd9Sstevel@tonic-gate (void) strcat(link, "([0-9]+)"); 63027c478bd9Sstevel@tonic-gate (void) sprintf(start, "%d", link_build->arg); 63037c478bd9Sstevel@tonic-gate break; 63047c478bd9Sstevel@tonic-gate default: 63057c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63067c478bd9Sstevel@tonic-gate } 63077c478bd9Sstevel@tonic-gate } 63087c478bd9Sstevel@tonic-gate 63097c478bd9Sstevel@tonic-gate if (counter_offset != -1) { 63107c478bd9Sstevel@tonic-gate /* 63117c478bd9Sstevel@tonic-gate * copy anything appended after "([0-9]+)" into 63127c478bd9Sstevel@tonic-gate * templink 63137c478bd9Sstevel@tonic-gate */ 63147c478bd9Sstevel@tonic-gate 63157c478bd9Sstevel@tonic-gate (void) strcpy(templink, 63167c478bd9Sstevel@tonic-gate &link[counter_offset + strlen("([0-9]+)")]); 63177c478bd9Sstevel@tonic-gate if (get_anchored_re(link, anchored_re, pattern) 63187c478bd9Sstevel@tonic-gate != DEVFSADM_SUCCESS) { 63197c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63207c478bd9Sstevel@tonic-gate } 63217c478bd9Sstevel@tonic-gate rules[0].re = anchored_re; 63227c478bd9Sstevel@tonic-gate rules[0].subexp = 1; 63237c478bd9Sstevel@tonic-gate rules[0].flags = MATCH_ALL; 63247c478bd9Sstevel@tonic-gate if (devfsadm_enumerate_int_start(contents, 0, &buff, 63257c478bd9Sstevel@tonic-gate rules, 1, start) == DEVFSADM_FAILURE) { 63267c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63277c478bd9Sstevel@tonic-gate } 63287c478bd9Sstevel@tonic-gate (void) strcpy(&link[counter_offset], buff); 63297c478bd9Sstevel@tonic-gate free(buff); 63307c478bd9Sstevel@tonic-gate (void) strcat(link, templink); 63317c478bd9Sstevel@tonic-gate vprint(DEVLINK_MID, "COUNTER is %s\n", link); 63327c478bd9Sstevel@tonic-gate } 63337c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 63347c478bd9Sstevel@tonic-gate } 63357c478bd9Sstevel@tonic-gate 63367c478bd9Sstevel@tonic-gate /* 63377c478bd9Sstevel@tonic-gate * Compares "field" number of the comma separated list "full_name" with 63387c478bd9Sstevel@tonic-gate * field_item. Returns DEVFSADM_SUCCESS for match, 63397c478bd9Sstevel@tonic-gate * DEVFSADM_FAILURE for no match. 63407c478bd9Sstevel@tonic-gate */ 63417c478bd9Sstevel@tonic-gate static int 63427c478bd9Sstevel@tonic-gate compare_field(char *full_name, char *field_item, int field) 63437c478bd9Sstevel@tonic-gate { 63447c478bd9Sstevel@tonic-gate --field; 63457c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (field != 0)) { 63467c478bd9Sstevel@tonic-gate if (*(full_name++) == ',') { 63477c478bd9Sstevel@tonic-gate field--; 63487c478bd9Sstevel@tonic-gate } 63497c478bd9Sstevel@tonic-gate } 63507c478bd9Sstevel@tonic-gate 63517c478bd9Sstevel@tonic-gate if (field != 0) { 63527c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63537c478bd9Sstevel@tonic-gate } 63547c478bd9Sstevel@tonic-gate 63557c478bd9Sstevel@tonic-gate while ((*full_name != '\0') && (*field_item != '\0') && 63567c478bd9Sstevel@tonic-gate (*full_name != ',')) { 63577c478bd9Sstevel@tonic-gate if (*(full_name++) != *(field_item++)) { 63587c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63597c478bd9Sstevel@tonic-gate } 63607c478bd9Sstevel@tonic-gate } 63617c478bd9Sstevel@tonic-gate 63627c478bd9Sstevel@tonic-gate if (*field_item != '\0') { 63637c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63647c478bd9Sstevel@tonic-gate } 63657c478bd9Sstevel@tonic-gate 63667c478bd9Sstevel@tonic-gate if ((*full_name == '\0') || (*full_name == ',')) 63677c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 63687c478bd9Sstevel@tonic-gate 63697c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63707c478bd9Sstevel@tonic-gate } 63717c478bd9Sstevel@tonic-gate 63727c478bd9Sstevel@tonic-gate /* 63737c478bd9Sstevel@tonic-gate * strcat() field # "field" of comma separated list "name" to "link". 63747c478bd9Sstevel@tonic-gate * Field 0 is the entire name. 63757c478bd9Sstevel@tonic-gate * Return DEVFSADM_SUCCESS or DEVFSADM_FAILURE. 63767c478bd9Sstevel@tonic-gate */ 63777c478bd9Sstevel@tonic-gate static int 63787c478bd9Sstevel@tonic-gate component_cat(char *link, char *name, int field) 63797c478bd9Sstevel@tonic-gate { 63807c478bd9Sstevel@tonic-gate 63817c478bd9Sstevel@tonic-gate if (name == NULL) { 63827c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 63837c478bd9Sstevel@tonic-gate } 63847c478bd9Sstevel@tonic-gate 63857c478bd9Sstevel@tonic-gate if (field == 0) { 63867c478bd9Sstevel@tonic-gate (void) strcat(link, name); 63877c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 63887c478bd9Sstevel@tonic-gate } 63897c478bd9Sstevel@tonic-gate 63907c478bd9Sstevel@tonic-gate while (*link != '\0') { 63917c478bd9Sstevel@tonic-gate link++; 63927c478bd9Sstevel@tonic-gate } 63937c478bd9Sstevel@tonic-gate 63947c478bd9Sstevel@tonic-gate --field; 63957c478bd9Sstevel@tonic-gate while ((*name != '\0') && (field != 0)) { 63967c478bd9Sstevel@tonic-gate if (*(name++) == ',') { 63977c478bd9Sstevel@tonic-gate --field; 63987c478bd9Sstevel@tonic-gate } 63997c478bd9Sstevel@tonic-gate } 64007c478bd9Sstevel@tonic-gate 64017c478bd9Sstevel@tonic-gate if (field != 0) { 64027c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 64037c478bd9Sstevel@tonic-gate } 64047c478bd9Sstevel@tonic-gate 64057c478bd9Sstevel@tonic-gate while ((*name != '\0') && (*name != ',')) { 64067c478bd9Sstevel@tonic-gate *(link++) = *(name++); 64077c478bd9Sstevel@tonic-gate } 64087c478bd9Sstevel@tonic-gate 64097c478bd9Sstevel@tonic-gate *link = '\0'; 64107c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 64117c478bd9Sstevel@tonic-gate } 64127c478bd9Sstevel@tonic-gate 64137c478bd9Sstevel@tonic-gate static void 64147c478bd9Sstevel@tonic-gate free_selector_list(selector_list_t *head) 64157c478bd9Sstevel@tonic-gate { 64167c478bd9Sstevel@tonic-gate selector_list_t *temp; 64177c478bd9Sstevel@tonic-gate 64187c478bd9Sstevel@tonic-gate while (head != NULL) { 64197c478bd9Sstevel@tonic-gate temp = head; 64207c478bd9Sstevel@tonic-gate head = head->next; 64217c478bd9Sstevel@tonic-gate free(temp->val); 64227c478bd9Sstevel@tonic-gate free(temp); 64237c478bd9Sstevel@tonic-gate } 64247c478bd9Sstevel@tonic-gate } 64257c478bd9Sstevel@tonic-gate 64267c478bd9Sstevel@tonic-gate static void 64277c478bd9Sstevel@tonic-gate free_link_list(link_list_t *head) 64287c478bd9Sstevel@tonic-gate { 64297c478bd9Sstevel@tonic-gate link_list_t *temp; 64307c478bd9Sstevel@tonic-gate 64317c478bd9Sstevel@tonic-gate while (head != NULL) { 64327c478bd9Sstevel@tonic-gate temp = head; 64337c478bd9Sstevel@tonic-gate head = head->next; 64347c478bd9Sstevel@tonic-gate if (temp->type == CONSTANT) { 64357c478bd9Sstevel@tonic-gate free(temp->constant); 64367c478bd9Sstevel@tonic-gate } 64377c478bd9Sstevel@tonic-gate free(temp); 64387c478bd9Sstevel@tonic-gate } 64397c478bd9Sstevel@tonic-gate } 64407c478bd9Sstevel@tonic-gate 64417c478bd9Sstevel@tonic-gate /* 64427c478bd9Sstevel@tonic-gate * Prints only if level matches one of the debug levels 64437c478bd9Sstevel@tonic-gate * given on command line. INFO_MID is always printed. 64447c478bd9Sstevel@tonic-gate * 64457c478bd9Sstevel@tonic-gate * See devfsadm.h for a listing of globally defined levels and 64467c478bd9Sstevel@tonic-gate * meanings. Modules should prefix the level with their 64477c478bd9Sstevel@tonic-gate * module name to prevent collisions. 64487c478bd9Sstevel@tonic-gate */ 64497c478bd9Sstevel@tonic-gate /*PRINTFLIKE2*/ 64507c478bd9Sstevel@tonic-gate void 64517c478bd9Sstevel@tonic-gate devfsadm_print(char *msgid, char *message, ...) 64527c478bd9Sstevel@tonic-gate { 64537c478bd9Sstevel@tonic-gate va_list ap; 64547c478bd9Sstevel@tonic-gate static int newline = TRUE; 64557c478bd9Sstevel@tonic-gate int x; 64567c478bd9Sstevel@tonic-gate 64577c478bd9Sstevel@tonic-gate if (msgid != NULL) { 64587c478bd9Sstevel@tonic-gate for (x = 0; x < num_verbose; x++) { 64597c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], msgid) == 0) { 64607c478bd9Sstevel@tonic-gate break; 64617c478bd9Sstevel@tonic-gate } 64627c478bd9Sstevel@tonic-gate if (strcmp(verbose[x], ALL_MID) == 0) { 64637c478bd9Sstevel@tonic-gate break; 64647c478bd9Sstevel@tonic-gate } 64657c478bd9Sstevel@tonic-gate } 64667c478bd9Sstevel@tonic-gate if (x == num_verbose) { 64677c478bd9Sstevel@tonic-gate return; 64687c478bd9Sstevel@tonic-gate } 64697c478bd9Sstevel@tonic-gate } 64707c478bd9Sstevel@tonic-gate 64717c478bd9Sstevel@tonic-gate va_start(ap, message); 64727c478bd9Sstevel@tonic-gate 64737c478bd9Sstevel@tonic-gate if (msgid == NULL) { 64747c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 64757c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_NOTICE, message, ap); 64767c478bd9Sstevel@tonic-gate } else { 64777c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 64787c478bd9Sstevel@tonic-gate } 64797c478bd9Sstevel@tonic-gate 64807c478bd9Sstevel@tonic-gate } else { 64817c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 64827c478bd9Sstevel@tonic-gate (void) syslog(LOG_DEBUG, "%s[%ld]: %s: ", 64837c478bd9Sstevel@tonic-gate prog, getpid(), msgid); 64847c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_DEBUG, message, ap); 64857c478bd9Sstevel@tonic-gate } else { 64867c478bd9Sstevel@tonic-gate if (newline == TRUE) { 64877c478bd9Sstevel@tonic-gate (void) fprintf(stdout, "%s[%ld]: %s: ", 64887c478bd9Sstevel@tonic-gate prog, getpid(), msgid); 64897c478bd9Sstevel@tonic-gate } 64907c478bd9Sstevel@tonic-gate (void) vfprintf(stdout, message, ap); 64917c478bd9Sstevel@tonic-gate } 64927c478bd9Sstevel@tonic-gate } 64937c478bd9Sstevel@tonic-gate 64947c478bd9Sstevel@tonic-gate if (message[strlen(message) - 1] == '\n') { 64957c478bd9Sstevel@tonic-gate newline = TRUE; 64967c478bd9Sstevel@tonic-gate } else { 64977c478bd9Sstevel@tonic-gate newline = FALSE; 64987c478bd9Sstevel@tonic-gate } 64997c478bd9Sstevel@tonic-gate va_end(ap); 65007c478bd9Sstevel@tonic-gate } 65017c478bd9Sstevel@tonic-gate 65027c478bd9Sstevel@tonic-gate /* 65037c478bd9Sstevel@tonic-gate * print error messages to the terminal or to syslog 65047c478bd9Sstevel@tonic-gate */ 65057c478bd9Sstevel@tonic-gate /*PRINTFLIKE1*/ 65067c478bd9Sstevel@tonic-gate void 65077c478bd9Sstevel@tonic-gate devfsadm_errprint(char *message, ...) 65087c478bd9Sstevel@tonic-gate { 65097c478bd9Sstevel@tonic-gate va_list ap; 65107c478bd9Sstevel@tonic-gate 65117c478bd9Sstevel@tonic-gate va_start(ap, message); 65127c478bd9Sstevel@tonic-gate 65137c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 65147c478bd9Sstevel@tonic-gate (void) vsyslog(LOG_ERR, message, ap); 65157c478bd9Sstevel@tonic-gate } else { 65167c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "%s: ", prog); 65177c478bd9Sstevel@tonic-gate (void) vfprintf(stderr, message, ap); 65187c478bd9Sstevel@tonic-gate } 65197c478bd9Sstevel@tonic-gate va_end(ap); 65207c478bd9Sstevel@tonic-gate } 65217c478bd9Sstevel@tonic-gate 65227c478bd9Sstevel@tonic-gate /* 65237c478bd9Sstevel@tonic-gate * return noupdate state (-s) 65247c478bd9Sstevel@tonic-gate */ 65257c478bd9Sstevel@tonic-gate int 65267c478bd9Sstevel@tonic-gate devfsadm_noupdate(void) 65277c478bd9Sstevel@tonic-gate { 65287c478bd9Sstevel@tonic-gate return (file_mods == TRUE ? DEVFSADM_TRUE : DEVFSADM_FALSE); 65297c478bd9Sstevel@tonic-gate } 65307c478bd9Sstevel@tonic-gate 65317c478bd9Sstevel@tonic-gate /* 65327c478bd9Sstevel@tonic-gate * return current root update path (-r) 65337c478bd9Sstevel@tonic-gate */ 65347c478bd9Sstevel@tonic-gate const char * 65357c478bd9Sstevel@tonic-gate devfsadm_root_path(void) 65367c478bd9Sstevel@tonic-gate { 65377c478bd9Sstevel@tonic-gate if (root_dir[0] == '\0') { 65387c478bd9Sstevel@tonic-gate return ("/"); 65397c478bd9Sstevel@tonic-gate } else { 65407c478bd9Sstevel@tonic-gate return ((const char *)root_dir); 65417c478bd9Sstevel@tonic-gate } 65427c478bd9Sstevel@tonic-gate } 65437c478bd9Sstevel@tonic-gate 65443c4226f9Spjha void 65453c4226f9Spjha devfsadm_free_dev_names(char **dev_names, int len) 65463c4226f9Spjha { 65473c4226f9Spjha int i; 65483c4226f9Spjha 65493c4226f9Spjha for (i = 0; i < len; i++) 65503c4226f9Spjha free(dev_names[i]); 65513c4226f9Spjha free(dev_names); 65523c4226f9Spjha } 65533c4226f9Spjha 65543c4226f9Spjha /* 65553c4226f9Spjha * Return all devlinks corresponding to phys_path as an array of strings. 65563c4226f9Spjha * The number of entries in the array is returned through lenp. 65573c4226f9Spjha * devfsadm_free_dev_names() is used to free the returned array. 65583c4226f9Spjha * NULL is returned on failure or when there are no matching devlinks. 65593c4226f9Spjha * 65603c4226f9Spjha * re is an extended regular expression in regex(5) format used to further 65613c4226f9Spjha * match devlinks pointing to phys_path; it may be NULL to match all 65623c4226f9Spjha */ 65633c4226f9Spjha char ** 65643c4226f9Spjha devfsadm_lookup_dev_names(char *phys_path, char *re, int *lenp) 65653c4226f9Spjha { 65663c4226f9Spjha struct devlink_cb_arg cb_arg; 65673c4226f9Spjha char **dev_names = NULL; 65683c4226f9Spjha int i; 65693c4226f9Spjha 65703c4226f9Spjha *lenp = 0; 65713c4226f9Spjha cb_arg.count = 0; 65723c4226f9Spjha cb_arg.rv = 0; 65733c4226f9Spjha (void) di_devlink_cache_walk(devlink_cache, re, phys_path, 65743c4226f9Spjha DI_PRIMARY_LINK, &cb_arg, devlink_cb); 65753c4226f9Spjha 65763c4226f9Spjha if (cb_arg.rv == -1 || cb_arg.count <= 0) 65773c4226f9Spjha return (NULL); 65783c4226f9Spjha 65793c4226f9Spjha dev_names = s_malloc(cb_arg.count * sizeof (char *)); 65803c4226f9Spjha if (dev_names == NULL) 65813c4226f9Spjha goto out; 65823c4226f9Spjha 65833c4226f9Spjha for (i = 0; i < cb_arg.count; i++) { 65843c4226f9Spjha dev_names[i] = s_strdup(cb_arg.dev_names[i]); 65853c4226f9Spjha if (dev_names[i] == NULL) { 65863c4226f9Spjha devfsadm_free_dev_names(dev_names, i); 65873c4226f9Spjha dev_names = NULL; 65883c4226f9Spjha goto out; 65893c4226f9Spjha } 65903c4226f9Spjha } 65913c4226f9Spjha *lenp = cb_arg.count; 65923c4226f9Spjha 65933c4226f9Spjha out: 65943c4226f9Spjha free_dev_names(&cb_arg); 65953c4226f9Spjha return (dev_names); 65963c4226f9Spjha } 65973c4226f9Spjha 65987c478bd9Sstevel@tonic-gate /* common exit function which ensures releasing locks */ 65997c478bd9Sstevel@tonic-gate static void 66007c478bd9Sstevel@tonic-gate devfsadm_exit(int status) 66017c478bd9Sstevel@tonic-gate { 66027c478bd9Sstevel@tonic-gate if (DEVFSADM_DEBUG_ON) { 66037c478bd9Sstevel@tonic-gate vprint(INFO_MID, "exit status = %d\n", status); 66047c478bd9Sstevel@tonic-gate } 66057c478bd9Sstevel@tonic-gate 66067c478bd9Sstevel@tonic-gate if (rcm_hdl) { 66077c478bd9Sstevel@tonic-gate if (thr_self() != process_rcm_events_tid) { 66087c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 66097c478bd9Sstevel@tonic-gate need_to_exit_rcm_event_thread = 1; 66107c478bd9Sstevel@tonic-gate (void) cond_broadcast(&rcm_eventq_cv); 66117c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 66127c478bd9Sstevel@tonic-gate 66137c478bd9Sstevel@tonic-gate /* wait until process_rcm_events() thread exits */ 66147c478bd9Sstevel@tonic-gate (void) thr_join(process_rcm_events_tid, NULL, NULL); 66157c478bd9Sstevel@tonic-gate } 66167c478bd9Sstevel@tonic-gate librcm_free_handle(rcm_hdl); 66177c478bd9Sstevel@tonic-gate (void) dlclose(librcm_hdl); 66187c478bd9Sstevel@tonic-gate } 66197c478bd9Sstevel@tonic-gate 66207c478bd9Sstevel@tonic-gate exit_dev_lock(); 66217c478bd9Sstevel@tonic-gate exit_daemon_lock(); 66227c478bd9Sstevel@tonic-gate 66237c478bd9Sstevel@tonic-gate if (logflag == TRUE) { 66247c478bd9Sstevel@tonic-gate closelog(); 66257c478bd9Sstevel@tonic-gate } 66267c478bd9Sstevel@tonic-gate 66277c478bd9Sstevel@tonic-gate exit(status); 66287c478bd9Sstevel@tonic-gate } 66297c478bd9Sstevel@tonic-gate 66307c478bd9Sstevel@tonic-gate /* 6631facf4a8dSllai * set root_dir, devices_dir, dev_dir using optarg. 66327c478bd9Sstevel@tonic-gate */ 66337c478bd9Sstevel@tonic-gate static void 6634facf4a8dSllai set_root_devices_dev_dir(char *dir) 66357c478bd9Sstevel@tonic-gate { 66367c478bd9Sstevel@tonic-gate size_t len; 66377c478bd9Sstevel@tonic-gate 66387c478bd9Sstevel@tonic-gate root_dir = s_strdup(dir); 66397c478bd9Sstevel@tonic-gate len = strlen(dir) + strlen(DEVICES) + 1; 66407c478bd9Sstevel@tonic-gate devices_dir = s_malloc(len); 66417c478bd9Sstevel@tonic-gate (void) snprintf(devices_dir, len, "%s%s", root_dir, DEVICES); 66427c478bd9Sstevel@tonic-gate len = strlen(root_dir) + strlen(DEV) + 1; 66437c478bd9Sstevel@tonic-gate dev_dir = s_malloc(len); 66447c478bd9Sstevel@tonic-gate (void) snprintf(dev_dir, len, "%s%s", root_dir, DEV); 66457c478bd9Sstevel@tonic-gate } 66467c478bd9Sstevel@tonic-gate 66477c478bd9Sstevel@tonic-gate /* 66487c478bd9Sstevel@tonic-gate * Removes quotes. 66497c478bd9Sstevel@tonic-gate */ 66507c478bd9Sstevel@tonic-gate static char * 66517c478bd9Sstevel@tonic-gate dequote(char *src) 66527c478bd9Sstevel@tonic-gate { 66537c478bd9Sstevel@tonic-gate char *dst; 66547c478bd9Sstevel@tonic-gate int len; 66557c478bd9Sstevel@tonic-gate 66567c478bd9Sstevel@tonic-gate len = strlen(src); 66577c478bd9Sstevel@tonic-gate dst = s_malloc(len + 1); 66587c478bd9Sstevel@tonic-gate if (src[0] == '\"' && src[len - 1] == '\"') { 66597c478bd9Sstevel@tonic-gate len -= 2; 66607c478bd9Sstevel@tonic-gate (void) strncpy(dst, &src[1], len); 66617c478bd9Sstevel@tonic-gate dst[len] = '\0'; 66627c478bd9Sstevel@tonic-gate } else { 66637c478bd9Sstevel@tonic-gate (void) strcpy(dst, src); 66647c478bd9Sstevel@tonic-gate } 66657c478bd9Sstevel@tonic-gate return (dst); 66667c478bd9Sstevel@tonic-gate } 66677c478bd9Sstevel@tonic-gate 66687c478bd9Sstevel@tonic-gate /* 66697c478bd9Sstevel@tonic-gate * For a given physical device pathname and spectype, return the 66707c478bd9Sstevel@tonic-gate * ownership and permissions attributes by looking in data from 66717c478bd9Sstevel@tonic-gate * /etc/minor_perm. If currently in installation mode, check for 66727c478bd9Sstevel@tonic-gate * possible major number translations from the miniroot to the installed 66737c478bd9Sstevel@tonic-gate * root's name_to_major table. Note that there can be multiple matches, 66747c478bd9Sstevel@tonic-gate * but the last match takes effect. pts seems to rely on this 66757c478bd9Sstevel@tonic-gate * implementation behavior. 66767c478bd9Sstevel@tonic-gate */ 66777c478bd9Sstevel@tonic-gate static void 66787c478bd9Sstevel@tonic-gate getattr(char *phy_path, char *aminor, int spectype, dev_t dev, mode_t *mode, 66797c478bd9Sstevel@tonic-gate uid_t *uid, gid_t *gid) 66807c478bd9Sstevel@tonic-gate { 66817c478bd9Sstevel@tonic-gate char devname[PATH_MAX + 1]; 66827c478bd9Sstevel@tonic-gate char *node_name; 66837c478bd9Sstevel@tonic-gate char *minor_name; 66847c478bd9Sstevel@tonic-gate int match = FALSE; 66857c478bd9Sstevel@tonic-gate int is_clone; 66867c478bd9Sstevel@tonic-gate int mp_drvname_matches_node_name; 66877c478bd9Sstevel@tonic-gate int mp_drvname_matches_minor_name; 66887c478bd9Sstevel@tonic-gate int mp_drvname_is_clone; 66897c478bd9Sstevel@tonic-gate int mp_drvname_matches_drvname; 66907c478bd9Sstevel@tonic-gate struct mperm *mp; 66917c478bd9Sstevel@tonic-gate major_t major_no; 66927c478bd9Sstevel@tonic-gate char driver[PATH_MAX + 1]; 66937c478bd9Sstevel@tonic-gate 66947c478bd9Sstevel@tonic-gate /* 66957c478bd9Sstevel@tonic-gate * Get the driver name based on the major number since the name 66967c478bd9Sstevel@tonic-gate * in /devices may be generic. Could be running with more major 66977c478bd9Sstevel@tonic-gate * numbers than are in /etc/name_to_major, so get it from the kernel 66987c478bd9Sstevel@tonic-gate */ 66997c478bd9Sstevel@tonic-gate major_no = major(dev); 67007c478bd9Sstevel@tonic-gate 67017c478bd9Sstevel@tonic-gate if (modctl(MODGETNAME, driver, sizeof (driver), &major_no) != 0) { 67027c478bd9Sstevel@tonic-gate /* return default values */ 67037c478bd9Sstevel@tonic-gate goto use_defaults; 67047c478bd9Sstevel@tonic-gate } 67057c478bd9Sstevel@tonic-gate 67067c478bd9Sstevel@tonic-gate (void) strcpy(devname, phy_path); 67077c478bd9Sstevel@tonic-gate 67087c478bd9Sstevel@tonic-gate node_name = strrchr(devname, '/'); /* node name is the last */ 67097c478bd9Sstevel@tonic-gate /* component */ 67107c478bd9Sstevel@tonic-gate if (node_name == NULL) { 67117c478bd9Sstevel@tonic-gate err_print(NO_NODE, devname); 67127c478bd9Sstevel@tonic-gate goto use_defaults; 67137c478bd9Sstevel@tonic-gate } 67147c478bd9Sstevel@tonic-gate 67157c478bd9Sstevel@tonic-gate minor_name = strchr(++node_name, '@'); /* see if it has address part */ 67167c478bd9Sstevel@tonic-gate 67177c478bd9Sstevel@tonic-gate if (minor_name != NULL) { 67187c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 67197c478bd9Sstevel@tonic-gate } else { 67207c478bd9Sstevel@tonic-gate minor_name = node_name; 67217c478bd9Sstevel@tonic-gate } 67227c478bd9Sstevel@tonic-gate 67237c478bd9Sstevel@tonic-gate minor_name = strchr(minor_name, ':'); /* look for minor name */ 67247c478bd9Sstevel@tonic-gate 67257c478bd9Sstevel@tonic-gate if (minor_name == NULL) { 67267c478bd9Sstevel@tonic-gate err_print(NO_MINOR, devname); 67277c478bd9Sstevel@tonic-gate goto use_defaults; 67287c478bd9Sstevel@tonic-gate } 67297c478bd9Sstevel@tonic-gate *minor_name++ = '\0'; 67307c478bd9Sstevel@tonic-gate 67317c478bd9Sstevel@tonic-gate /* 67327c478bd9Sstevel@tonic-gate * mp->mp_drvname = device name from minor_perm 67337c478bd9Sstevel@tonic-gate * mp->mp_minorname = minor part of device name from 67347c478bd9Sstevel@tonic-gate * minor_perm 67357c478bd9Sstevel@tonic-gate * drvname = name of driver for this device 67367c478bd9Sstevel@tonic-gate */ 67377c478bd9Sstevel@tonic-gate 67387c478bd9Sstevel@tonic-gate is_clone = (strcmp(node_name, "clone") == 0 ? TRUE : FALSE); 67397c478bd9Sstevel@tonic-gate for (mp = minor_perms; mp != NULL; mp = mp->mp_next) { 67407c478bd9Sstevel@tonic-gate mp_drvname_matches_node_name = 67417c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, node_name) == 0 ? TRUE : FALSE); 67427c478bd9Sstevel@tonic-gate mp_drvname_matches_minor_name = 67437c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, minor_name) == 0 ? TRUE:FALSE); 67447c478bd9Sstevel@tonic-gate mp_drvname_is_clone = 67457c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, "clone") == 0 ? TRUE : FALSE); 67467c478bd9Sstevel@tonic-gate mp_drvname_matches_drvname = 67477c478bd9Sstevel@tonic-gate (strcmp(mp->mp_drvname, driver) == 0 ? TRUE : FALSE); 67487c478bd9Sstevel@tonic-gate 67497c478bd9Sstevel@tonic-gate /* 67507c478bd9Sstevel@tonic-gate * If one of the following cases is true, then we try to change 67517c478bd9Sstevel@tonic-gate * the permissions if a "shell global pattern match" of 67527c478bd9Sstevel@tonic-gate * mp_>mp_minorname matches minor_name. 67537c478bd9Sstevel@tonic-gate * 67547c478bd9Sstevel@tonic-gate * 1. mp->mp_drvname matches driver. 67557c478bd9Sstevel@tonic-gate * 67567c478bd9Sstevel@tonic-gate * OR 67577c478bd9Sstevel@tonic-gate * 67587c478bd9Sstevel@tonic-gate * 2. mp->mp_drvname matches node_name and this 67597c478bd9Sstevel@tonic-gate * name is an alias of the driver name 67607c478bd9Sstevel@tonic-gate * 67617c478bd9Sstevel@tonic-gate * OR 67627c478bd9Sstevel@tonic-gate * 67637c478bd9Sstevel@tonic-gate * 3. /devices entry is the clone device and either 67647c478bd9Sstevel@tonic-gate * minor_perm entry is the clone device or matches 67657c478bd9Sstevel@tonic-gate * the minor part of the clone device. 67667c478bd9Sstevel@tonic-gate */ 67677c478bd9Sstevel@tonic-gate 67687c478bd9Sstevel@tonic-gate if ((mp_drvname_matches_drvname == TRUE)|| 67697c478bd9Sstevel@tonic-gate ((mp_drvname_matches_node_name == TRUE) && 67707c478bd9Sstevel@tonic-gate (alias(driver, node_name) == TRUE)) || 67717c478bd9Sstevel@tonic-gate ((is_clone == TRUE) && 67727c478bd9Sstevel@tonic-gate ((mp_drvname_is_clone == TRUE) || 67737c478bd9Sstevel@tonic-gate (mp_drvname_matches_minor_name == TRUE)))) { 67747c478bd9Sstevel@tonic-gate /* 67757c478bd9Sstevel@tonic-gate * Check that the minor part of the 67767c478bd9Sstevel@tonic-gate * device name from the minor_perm 67777c478bd9Sstevel@tonic-gate * entry matches and if so, set the 67787c478bd9Sstevel@tonic-gate * permissions. 67797c478bd9Sstevel@tonic-gate * 67807c478bd9Sstevel@tonic-gate * Under real devfs, clone minor name is changed 67817c478bd9Sstevel@tonic-gate * to match the driver name, but minor_perm may 67827c478bd9Sstevel@tonic-gate * not match. We reconcile it here. 67837c478bd9Sstevel@tonic-gate */ 67847c478bd9Sstevel@tonic-gate if (aminor != NULL) 67857c478bd9Sstevel@tonic-gate minor_name = aminor; 67867c478bd9Sstevel@tonic-gate 67877c478bd9Sstevel@tonic-gate if (gmatch(minor_name, mp->mp_minorname) != 0) { 67887c478bd9Sstevel@tonic-gate *uid = mp->mp_uid; 67897c478bd9Sstevel@tonic-gate *gid = mp->mp_gid; 67907c478bd9Sstevel@tonic-gate *mode = spectype | mp->mp_mode; 67917c478bd9Sstevel@tonic-gate match = TRUE; 67927c478bd9Sstevel@tonic-gate } 67937c478bd9Sstevel@tonic-gate } 67947c478bd9Sstevel@tonic-gate } 67957c478bd9Sstevel@tonic-gate 67967c478bd9Sstevel@tonic-gate if (match == TRUE) { 67977c478bd9Sstevel@tonic-gate return; 67987c478bd9Sstevel@tonic-gate } 67997c478bd9Sstevel@tonic-gate 68007c478bd9Sstevel@tonic-gate use_defaults: 68017c478bd9Sstevel@tonic-gate /* not found in minor_perm, so just use default values */ 68027c478bd9Sstevel@tonic-gate *uid = root_uid; 68037c478bd9Sstevel@tonic-gate *gid = sys_gid; 68047c478bd9Sstevel@tonic-gate *mode = (spectype | 0600); 68057c478bd9Sstevel@tonic-gate } 68067c478bd9Sstevel@tonic-gate 68077c478bd9Sstevel@tonic-gate /* 68087c478bd9Sstevel@tonic-gate * Called by devfs_read_minor_perm() to report errors 68097c478bd9Sstevel@tonic-gate * key is: 68107c478bd9Sstevel@tonic-gate * line number: ignoring line number error 68117c478bd9Sstevel@tonic-gate * errno: open/close errors 68127c478bd9Sstevel@tonic-gate * size: alloc errors 68137c478bd9Sstevel@tonic-gate */ 68147c478bd9Sstevel@tonic-gate static void 68157c478bd9Sstevel@tonic-gate minorperm_err_cb(minorperm_err_t mp_err, int key) 68167c478bd9Sstevel@tonic-gate { 68177c478bd9Sstevel@tonic-gate switch (mp_err) { 68187c478bd9Sstevel@tonic-gate case MP_FOPEN_ERR: 68197c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, MINOR_PERM_FILE, strerror(key)); 68207c478bd9Sstevel@tonic-gate break; 68217c478bd9Sstevel@tonic-gate case MP_FCLOSE_ERR: 68227c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, MINOR_PERM_FILE, strerror(key)); 68237c478bd9Sstevel@tonic-gate break; 68247c478bd9Sstevel@tonic-gate case MP_IGNORING_LINE_ERR: 68257c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, key, MINOR_PERM_FILE); 68267c478bd9Sstevel@tonic-gate break; 68277c478bd9Sstevel@tonic-gate case MP_ALLOC_ERR: 68287c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, key); 68297c478bd9Sstevel@tonic-gate break; 68307c478bd9Sstevel@tonic-gate case MP_NVLIST_ERR: 68317c478bd9Sstevel@tonic-gate err_print(NVLIST_ERROR, MINOR_PERM_FILE, strerror(key)); 68327c478bd9Sstevel@tonic-gate break; 68337c478bd9Sstevel@tonic-gate case MP_CANT_FIND_USER_ERR: 68347c478bd9Sstevel@tonic-gate err_print(CANT_FIND_USER, DEFAULT_DEV_USER); 68357c478bd9Sstevel@tonic-gate break; 68367c478bd9Sstevel@tonic-gate case MP_CANT_FIND_GROUP_ERR: 68377c478bd9Sstevel@tonic-gate err_print(CANT_FIND_GROUP, DEFAULT_DEV_GROUP); 68387c478bd9Sstevel@tonic-gate break; 68397c478bd9Sstevel@tonic-gate } 68407c478bd9Sstevel@tonic-gate } 68417c478bd9Sstevel@tonic-gate 68427c478bd9Sstevel@tonic-gate static void 68437c478bd9Sstevel@tonic-gate read_minor_perm_file(void) 68447c478bd9Sstevel@tonic-gate { 68457c478bd9Sstevel@tonic-gate static int cached = FALSE; 68467c478bd9Sstevel@tonic-gate static struct stat cached_sb; 68477c478bd9Sstevel@tonic-gate struct stat current_sb; 68487c478bd9Sstevel@tonic-gate 68497c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, ¤t_sb); 68507c478bd9Sstevel@tonic-gate 68517c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 68527c478bd9Sstevel@tonic-gate if (cached == TRUE) { 68537c478bd9Sstevel@tonic-gate 68547c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 68557c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", MINOR_PERM_FILE); 68567c478bd9Sstevel@tonic-gate return; 68577c478bd9Sstevel@tonic-gate } 68587c478bd9Sstevel@tonic-gate devfs_free_minor_perm(minor_perms); 68597c478bd9Sstevel@tonic-gate minor_perms = NULL; 68607c478bd9Sstevel@tonic-gate } else { 68617c478bd9Sstevel@tonic-gate cached = TRUE; 68627c478bd9Sstevel@tonic-gate } 68637c478bd9Sstevel@tonic-gate 68647c478bd9Sstevel@tonic-gate (void) stat(MINOR_PERM_FILE, &cached_sb); 68657c478bd9Sstevel@tonic-gate 68667c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", MINOR_PERM_FILE); 68677c478bd9Sstevel@tonic-gate 68687c478bd9Sstevel@tonic-gate minor_perms = devfs_read_minor_perm(minorperm_err_cb); 68697c478bd9Sstevel@tonic-gate } 68707c478bd9Sstevel@tonic-gate 68717c478bd9Sstevel@tonic-gate static void 68727c478bd9Sstevel@tonic-gate load_minor_perm_file(void) 68737c478bd9Sstevel@tonic-gate { 68747c478bd9Sstevel@tonic-gate read_minor_perm_file(); 68757c478bd9Sstevel@tonic-gate if (devfs_load_minor_perm(minor_perms, minorperm_err_cb) != 0) 68767c478bd9Sstevel@tonic-gate err_print(gettext("minor_perm load failed\n")); 68777c478bd9Sstevel@tonic-gate } 68787c478bd9Sstevel@tonic-gate 68797c478bd9Sstevel@tonic-gate static char * 68807c478bd9Sstevel@tonic-gate convert_to_re(char *dev) 68817c478bd9Sstevel@tonic-gate { 68827c478bd9Sstevel@tonic-gate char *p, *l, *out; 68837c478bd9Sstevel@tonic-gate int i; 68847c478bd9Sstevel@tonic-gate 68857c478bd9Sstevel@tonic-gate out = s_malloc(PATH_MAX); 68867c478bd9Sstevel@tonic-gate 68877c478bd9Sstevel@tonic-gate for (l = p = dev, i = 0; (*p != '\0') && (i < (PATH_MAX - 1)); 68887c478bd9Sstevel@tonic-gate ++p, i++) { 68897c478bd9Sstevel@tonic-gate if ((*p == '*') && ((l != p) && (*l == '/'))) { 68907c478bd9Sstevel@tonic-gate out[i++] = '.'; 68917c478bd9Sstevel@tonic-gate out[i] = '+'; 68927c478bd9Sstevel@tonic-gate } else { 68937c478bd9Sstevel@tonic-gate out[i] = *p; 68947c478bd9Sstevel@tonic-gate } 68957c478bd9Sstevel@tonic-gate l = p; 68967c478bd9Sstevel@tonic-gate } 68977c478bd9Sstevel@tonic-gate out[i] = '\0'; 68987c478bd9Sstevel@tonic-gate p = (char *)s_malloc(strlen(out) + 1); 68997c478bd9Sstevel@tonic-gate (void) strlcpy(p, out, strlen(out) + 1); 69007c478bd9Sstevel@tonic-gate free(out); 69017c478bd9Sstevel@tonic-gate 69027c478bd9Sstevel@tonic-gate vprint(FILES_MID, "converted %s -> %s\n", dev, p); 69037c478bd9Sstevel@tonic-gate 69047c478bd9Sstevel@tonic-gate return (p); 69057c478bd9Sstevel@tonic-gate } 69067c478bd9Sstevel@tonic-gate 69077c478bd9Sstevel@tonic-gate static void 69087c478bd9Sstevel@tonic-gate read_logindevperm_file(void) 69097c478bd9Sstevel@tonic-gate { 69107c478bd9Sstevel@tonic-gate static int cached = FALSE; 69117c478bd9Sstevel@tonic-gate static struct stat cached_sb; 69127c478bd9Sstevel@tonic-gate struct stat current_sb; 69137c478bd9Sstevel@tonic-gate struct login_dev *ldev; 69147c478bd9Sstevel@tonic-gate FILE *fp; 69157c478bd9Sstevel@tonic-gate char line[MAX_LDEV_LINE]; 69167c478bd9Sstevel@tonic-gate int ln, perm, rv; 69176e670f77Saj char *cp, *console, *dlist, *dev; 69187c478bd9Sstevel@tonic-gate char *lasts, *devlasts, *permstr, *drv; 69197c478bd9Sstevel@tonic-gate struct driver_list *list, *next; 69207c478bd9Sstevel@tonic-gate 69217c478bd9Sstevel@tonic-gate /* Read logindevperm only when enabled */ 69227c478bd9Sstevel@tonic-gate if (login_dev_enable != TRUE) 69237c478bd9Sstevel@tonic-gate return; 69247c478bd9Sstevel@tonic-gate 69257c478bd9Sstevel@tonic-gate if (cached == TRUE) { 69267c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, ¤t_sb) == 0 && 69277c478bd9Sstevel@tonic-gate current_sb.st_mtime == cached_sb.st_mtime) { 69287c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", LDEV_FILE); 69297c478bd9Sstevel@tonic-gate return; 69307c478bd9Sstevel@tonic-gate } 69317c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", LDEV_FILE); 69327c478bd9Sstevel@tonic-gate while (login_dev_cache != NULL) { 69337c478bd9Sstevel@tonic-gate 69347c478bd9Sstevel@tonic-gate ldev = login_dev_cache; 69357c478bd9Sstevel@tonic-gate login_dev_cache = ldev->ldev_next; 69367c478bd9Sstevel@tonic-gate free(ldev->ldev_console); 69377c478bd9Sstevel@tonic-gate free(ldev->ldev_device); 69387c478bd9Sstevel@tonic-gate regfree(&ldev->ldev_device_regex); 69397c478bd9Sstevel@tonic-gate list = ldev->ldev_driver_list; 69407c478bd9Sstevel@tonic-gate while (list) { 69417c478bd9Sstevel@tonic-gate next = list->next; 69427c478bd9Sstevel@tonic-gate free(list); 69437c478bd9Sstevel@tonic-gate list = next; 69447c478bd9Sstevel@tonic-gate } 69457c478bd9Sstevel@tonic-gate free(ldev); 69467c478bd9Sstevel@tonic-gate } 69477c478bd9Sstevel@tonic-gate } else { 69487c478bd9Sstevel@tonic-gate cached = TRUE; 69497c478bd9Sstevel@tonic-gate } 69507c478bd9Sstevel@tonic-gate 69517c478bd9Sstevel@tonic-gate assert(login_dev_cache == NULL); 69527c478bd9Sstevel@tonic-gate 69537c478bd9Sstevel@tonic-gate if (stat(LDEV_FILE, &cached_sb) != 0) { 69547c478bd9Sstevel@tonic-gate cached = FALSE; 69557c478bd9Sstevel@tonic-gate return; 69567c478bd9Sstevel@tonic-gate } 69577c478bd9Sstevel@tonic-gate 69587c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading file: %s\n", LDEV_FILE); 69597c478bd9Sstevel@tonic-gate 69607c478bd9Sstevel@tonic-gate if ((fp = fopen(LDEV_FILE, "r")) == NULL) { 69617c478bd9Sstevel@tonic-gate /* Not fatal to devfsadm */ 69627c478bd9Sstevel@tonic-gate cached = FALSE; 69637c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, LDEV_FILE, strerror(errno)); 69647c478bd9Sstevel@tonic-gate return; 69657c478bd9Sstevel@tonic-gate } 69667c478bd9Sstevel@tonic-gate 69677c478bd9Sstevel@tonic-gate ln = 0; 69687c478bd9Sstevel@tonic-gate while (fgets(line, MAX_LDEV_LINE, fp) != NULL) { 69697c478bd9Sstevel@tonic-gate ln++; 69707c478bd9Sstevel@tonic-gate 69717c478bd9Sstevel@tonic-gate /* Remove comments */ 69727c478bd9Sstevel@tonic-gate if ((cp = strchr(line, '#')) != NULL) 69737c478bd9Sstevel@tonic-gate *cp = '\0'; 69747c478bd9Sstevel@tonic-gate 69757c478bd9Sstevel@tonic-gate if ((console = strtok_r(line, LDEV_DELIMS, &lasts)) == NULL) 69767c478bd9Sstevel@tonic-gate continue; /* Blank line */ 69777c478bd9Sstevel@tonic-gate 69787c478bd9Sstevel@tonic-gate if ((permstr = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 69797c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 69807c478bd9Sstevel@tonic-gate continue; /* Malformed line */ 69817c478bd9Sstevel@tonic-gate } 69827c478bd9Sstevel@tonic-gate 69837c478bd9Sstevel@tonic-gate /* 69847c478bd9Sstevel@tonic-gate * permstr is string in octal format. Convert to int 69857c478bd9Sstevel@tonic-gate */ 69867c478bd9Sstevel@tonic-gate cp = NULL; 69877c478bd9Sstevel@tonic-gate errno = 0; 69887c478bd9Sstevel@tonic-gate perm = strtol(permstr, &cp, 8); 69897c478bd9Sstevel@tonic-gate if (errno || perm < 0 || perm > 0777 || *cp != '\0') { 69907c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 69917c478bd9Sstevel@tonic-gate continue; 69927c478bd9Sstevel@tonic-gate } 69937c478bd9Sstevel@tonic-gate 69946e670f77Saj if ((dlist = strtok_r(NULL, LDEV_DELIMS, &lasts)) == NULL) { 69957c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, LDEV_FILE); 69967c478bd9Sstevel@tonic-gate continue; 69977c478bd9Sstevel@tonic-gate } 69987c478bd9Sstevel@tonic-gate 69996e670f77Saj dev = strtok_r(dlist, LDEV_DEV_DELIM, &devlasts); 70007c478bd9Sstevel@tonic-gate while (dev) { 70017c478bd9Sstevel@tonic-gate 70027c478bd9Sstevel@tonic-gate ldev = (struct login_dev *)s_zalloc( 70037c478bd9Sstevel@tonic-gate sizeof (struct login_dev)); 70047c478bd9Sstevel@tonic-gate ldev->ldev_console = s_strdup(console); 70057c478bd9Sstevel@tonic-gate ldev->ldev_perms = perm; 70067c478bd9Sstevel@tonic-gate 70077c478bd9Sstevel@tonic-gate /* 70087c478bd9Sstevel@tonic-gate * the logical device name may contain '*' which 70097c478bd9Sstevel@tonic-gate * we convert to a regular expression 70107c478bd9Sstevel@tonic-gate */ 70117c478bd9Sstevel@tonic-gate ldev->ldev_device = convert_to_re(dev); 70127c478bd9Sstevel@tonic-gate if (ldev->ldev_device && 70137c478bd9Sstevel@tonic-gate (rv = regcomp(&ldev->ldev_device_regex, 70147c478bd9Sstevel@tonic-gate ldev->ldev_device, REG_EXTENDED))) { 70157c478bd9Sstevel@tonic-gate bzero(&ldev->ldev_device_regex, 70167c478bd9Sstevel@tonic-gate sizeof (ldev->ldev_device_regex)); 70177c478bd9Sstevel@tonic-gate err_print(REGCOMP_FAILED, 70187c478bd9Sstevel@tonic-gate ldev->ldev_device, rv); 70197c478bd9Sstevel@tonic-gate } 70207c478bd9Sstevel@tonic-gate ldev->ldev_next = login_dev_cache; 70217c478bd9Sstevel@tonic-gate login_dev_cache = ldev; 70227c478bd9Sstevel@tonic-gate dev = strtok_r(NULL, LDEV_DEV_DELIM, &devlasts); 70237c478bd9Sstevel@tonic-gate } 70247c478bd9Sstevel@tonic-gate 70257c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRVLIST_DELIMS, &lasts); 70267c478bd9Sstevel@tonic-gate if (drv) { 70277c478bd9Sstevel@tonic-gate if (strcmp(drv, LDEV_DRVLIST_NAME) == 0) { 70287c478bd9Sstevel@tonic-gate 70297c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRV_DELIMS, 70307c478bd9Sstevel@tonic-gate &lasts); 70317c478bd9Sstevel@tonic-gate 70327c478bd9Sstevel@tonic-gate while (drv) { 70337c478bd9Sstevel@tonic-gate vprint(FILES_MID, 70347c478bd9Sstevel@tonic-gate "logindevperm driver=%s\n", 70357c478bd9Sstevel@tonic-gate drv); 70367c478bd9Sstevel@tonic-gate 70377c478bd9Sstevel@tonic-gate /* 70387c478bd9Sstevel@tonic-gate * create a linked list of driver 70397c478bd9Sstevel@tonic-gate * names 70407c478bd9Sstevel@tonic-gate */ 70417c478bd9Sstevel@tonic-gate list = (struct driver_list *) 70427c478bd9Sstevel@tonic-gate s_zalloc( 70437c478bd9Sstevel@tonic-gate sizeof (struct driver_list)); 70447c478bd9Sstevel@tonic-gate (void) strlcpy(list->driver_name, drv, 70457c478bd9Sstevel@tonic-gate sizeof (list->driver_name)); 70467c478bd9Sstevel@tonic-gate list->next = ldev->ldev_driver_list; 70477c478bd9Sstevel@tonic-gate ldev->ldev_driver_list = list; 70487c478bd9Sstevel@tonic-gate drv = strtok_r(NULL, LDEV_DRV_DELIMS, 70497c478bd9Sstevel@tonic-gate &lasts); 70507c478bd9Sstevel@tonic-gate } 70517c478bd9Sstevel@tonic-gate } 70527c478bd9Sstevel@tonic-gate } 70537c478bd9Sstevel@tonic-gate } 70547c478bd9Sstevel@tonic-gate (void) fclose(fp); 70557c478bd9Sstevel@tonic-gate } 70567c478bd9Sstevel@tonic-gate 70577c478bd9Sstevel@tonic-gate /* 70587c478bd9Sstevel@tonic-gate * Tokens are separated by ' ', '\t', ':', '=', '&', '|', ';', '\n', or '\0' 70597c478bd9Sstevel@tonic-gate * 70607c478bd9Sstevel@tonic-gate * Returns DEVFSADM_SUCCESS if token found, DEVFSADM_FAILURE otherwise. 70617c478bd9Sstevel@tonic-gate */ 70627c478bd9Sstevel@tonic-gate static int 70637c478bd9Sstevel@tonic-gate getnexttoken(char *next, char **nextp, char **tokenpp, char *tchar) 70647c478bd9Sstevel@tonic-gate { 70657c478bd9Sstevel@tonic-gate char *cp; 70667c478bd9Sstevel@tonic-gate char *cp1; 70677c478bd9Sstevel@tonic-gate char *tokenp; 70687c478bd9Sstevel@tonic-gate 70697c478bd9Sstevel@tonic-gate cp = next; 70707c478bd9Sstevel@tonic-gate while (*cp == ' ' || *cp == '\t') { 70717c478bd9Sstevel@tonic-gate cp++; /* skip leading spaces */ 70727c478bd9Sstevel@tonic-gate } 70737c478bd9Sstevel@tonic-gate tokenp = cp; /* start of token */ 70747c478bd9Sstevel@tonic-gate while (*cp != '\0' && *cp != '\n' && *cp != ' ' && *cp != '\t' && 70757c478bd9Sstevel@tonic-gate *cp != ':' && *cp != '=' && *cp != '&' && 70767c478bd9Sstevel@tonic-gate *cp != '|' && *cp != ';') { 70777c478bd9Sstevel@tonic-gate cp++; /* point to next character */ 70787c478bd9Sstevel@tonic-gate } 70797c478bd9Sstevel@tonic-gate /* 70807c478bd9Sstevel@tonic-gate * If terminating character is a space or tab, look ahead to see if 70817c478bd9Sstevel@tonic-gate * there's another terminator that's not a space or a tab. 70827c478bd9Sstevel@tonic-gate * (This code handles trailing spaces.) 70837c478bd9Sstevel@tonic-gate */ 70847c478bd9Sstevel@tonic-gate if (*cp == ' ' || *cp == '\t') { 70857c478bd9Sstevel@tonic-gate cp1 = cp; 70867c478bd9Sstevel@tonic-gate while (*++cp1 == ' ' || *cp1 == '\t') 70877c478bd9Sstevel@tonic-gate ; 70887c478bd9Sstevel@tonic-gate if (*cp1 == '=' || *cp1 == ':' || *cp1 == '&' || *cp1 == '|' || 70897c478bd9Sstevel@tonic-gate *cp1 == ';' || *cp1 == '\n' || *cp1 == '\0') { 70907c478bd9Sstevel@tonic-gate *cp = NULL; /* terminate token */ 70917c478bd9Sstevel@tonic-gate cp = cp1; 70927c478bd9Sstevel@tonic-gate } 70937c478bd9Sstevel@tonic-gate } 70947c478bd9Sstevel@tonic-gate if (tchar != NULL) { 70957c478bd9Sstevel@tonic-gate *tchar = *cp; /* save terminating character */ 70967c478bd9Sstevel@tonic-gate if (*tchar == '\0') { 70977c478bd9Sstevel@tonic-gate *tchar = '\n'; 70987c478bd9Sstevel@tonic-gate } 70997c478bd9Sstevel@tonic-gate } 71007c478bd9Sstevel@tonic-gate *cp++ = '\0'; /* terminate token, point to next */ 71017c478bd9Sstevel@tonic-gate *nextp = cp; /* set pointer to next character */ 71027c478bd9Sstevel@tonic-gate if (cp - tokenp - 1 == 0) { 71037c478bd9Sstevel@tonic-gate return (DEVFSADM_FAILURE); 71047c478bd9Sstevel@tonic-gate } 71057c478bd9Sstevel@tonic-gate *tokenpp = tokenp; 71067c478bd9Sstevel@tonic-gate return (DEVFSADM_SUCCESS); 71077c478bd9Sstevel@tonic-gate } 71087c478bd9Sstevel@tonic-gate 71097c478bd9Sstevel@tonic-gate /* 71107c478bd9Sstevel@tonic-gate * read or reread the driver aliases file 71117c478bd9Sstevel@tonic-gate */ 71127c478bd9Sstevel@tonic-gate static void 71137c478bd9Sstevel@tonic-gate read_driver_aliases_file(void) 71147c478bd9Sstevel@tonic-gate { 71157c478bd9Sstevel@tonic-gate 71167c478bd9Sstevel@tonic-gate driver_alias_t *save; 71177c478bd9Sstevel@tonic-gate driver_alias_t *lst_tail; 71187c478bd9Sstevel@tonic-gate driver_alias_t *ap; 71197c478bd9Sstevel@tonic-gate static int cached = FALSE; 71207c478bd9Sstevel@tonic-gate FILE *afd; 71217c478bd9Sstevel@tonic-gate char line[256]; 71227c478bd9Sstevel@tonic-gate char *cp; 71237c478bd9Sstevel@tonic-gate char *p; 71247c478bd9Sstevel@tonic-gate char t; 71257c478bd9Sstevel@tonic-gate int ln = 0; 71267c478bd9Sstevel@tonic-gate static struct stat cached_sb; 71277c478bd9Sstevel@tonic-gate struct stat current_sb; 71287c478bd9Sstevel@tonic-gate 71297c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, ¤t_sb); 71307c478bd9Sstevel@tonic-gate 71317c478bd9Sstevel@tonic-gate /* If already cached, check to see if it is still valid */ 71327c478bd9Sstevel@tonic-gate if (cached == TRUE) { 71337c478bd9Sstevel@tonic-gate 71347c478bd9Sstevel@tonic-gate if (current_sb.st_mtime == cached_sb.st_mtime) { 71357c478bd9Sstevel@tonic-gate vprint(FILES_MID, "%s cache valid\n", ALIASFILE); 71367c478bd9Sstevel@tonic-gate return; 71377c478bd9Sstevel@tonic-gate } 71387c478bd9Sstevel@tonic-gate 71397c478bd9Sstevel@tonic-gate vprint(FILES_MID, "invalidating %s cache\n", ALIASFILE); 71407c478bd9Sstevel@tonic-gate while (driver_aliases != NULL) { 71417c478bd9Sstevel@tonic-gate free(driver_aliases->alias_name); 71427c478bd9Sstevel@tonic-gate free(driver_aliases->driver_name); 71437c478bd9Sstevel@tonic-gate save = driver_aliases; 71447c478bd9Sstevel@tonic-gate driver_aliases = driver_aliases->next; 71457c478bd9Sstevel@tonic-gate free(save); 71467c478bd9Sstevel@tonic-gate } 71477c478bd9Sstevel@tonic-gate } else { 71487c478bd9Sstevel@tonic-gate cached = TRUE; 71497c478bd9Sstevel@tonic-gate } 71507c478bd9Sstevel@tonic-gate 71517c478bd9Sstevel@tonic-gate (void) stat(ALIASFILE, &cached_sb); 71527c478bd9Sstevel@tonic-gate 71537c478bd9Sstevel@tonic-gate vprint(FILES_MID, "loading binding file: %s\n", ALIASFILE); 71547c478bd9Sstevel@tonic-gate 71557c478bd9Sstevel@tonic-gate if ((afd = fopen(ALIASFILE, "r")) == NULL) { 71567c478bd9Sstevel@tonic-gate err_print(FOPEN_FAILED, ALIASFILE, strerror(errno)); 71577c478bd9Sstevel@tonic-gate devfsadm_exit(1); 71587c478bd9Sstevel@tonic-gate } 71597c478bd9Sstevel@tonic-gate 71601ca93273Seota while (fgets(line, sizeof (line), afd) != NULL) { 71617c478bd9Sstevel@tonic-gate ln++; 71621ca93273Seota /* cut off comments starting with '#' */ 71631ca93273Seota if ((cp = strchr(line, '#')) != NULL) 71641ca93273Seota *cp = '\0'; 71651ca93273Seota /* ignore comment or blank lines */ 71661ca93273Seota if (is_blank(line)) 71671ca93273Seota continue; 71687c478bd9Sstevel@tonic-gate cp = line; 71697c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 71707c478bd9Sstevel@tonic-gate err_print(IGNORING_LINE_IN, ln, ALIASFILE); 71717c478bd9Sstevel@tonic-gate continue; 71727c478bd9Sstevel@tonic-gate } 71737c478bd9Sstevel@tonic-gate if (t == '\n' || t == '\0') { 71747c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 71757c478bd9Sstevel@tonic-gate continue; 71767c478bd9Sstevel@tonic-gate } 71777c478bd9Sstevel@tonic-gate ap = (struct driver_alias *) 71787c478bd9Sstevel@tonic-gate s_zalloc(sizeof (struct driver_alias)); 71797c478bd9Sstevel@tonic-gate ap->driver_name = s_strdup(p); 71807c478bd9Sstevel@tonic-gate if (getnexttoken(cp, &cp, &p, &t) == DEVFSADM_FAILURE) { 71817c478bd9Sstevel@tonic-gate err_print(DRV_BUT_NO_ALIAS, ln, ALIASFILE); 71827c478bd9Sstevel@tonic-gate free(ap->driver_name); 71837c478bd9Sstevel@tonic-gate free(ap); 71847c478bd9Sstevel@tonic-gate continue; 71857c478bd9Sstevel@tonic-gate } 71867c478bd9Sstevel@tonic-gate if (*p == '"') { 71877c478bd9Sstevel@tonic-gate if (p[strlen(p) - 1] == '"') { 71887c478bd9Sstevel@tonic-gate p[strlen(p) - 1] = '\0'; 71897c478bd9Sstevel@tonic-gate p++; 71907c478bd9Sstevel@tonic-gate } 71917c478bd9Sstevel@tonic-gate } 71927c478bd9Sstevel@tonic-gate ap->alias_name = s_strdup(p); 71937c478bd9Sstevel@tonic-gate if (driver_aliases == NULL) { 71947c478bd9Sstevel@tonic-gate driver_aliases = ap; 71957c478bd9Sstevel@tonic-gate lst_tail = ap; 71967c478bd9Sstevel@tonic-gate } else { 71977c478bd9Sstevel@tonic-gate lst_tail->next = ap; 71987c478bd9Sstevel@tonic-gate lst_tail = ap; 71997c478bd9Sstevel@tonic-gate } 72007c478bd9Sstevel@tonic-gate } 72017c478bd9Sstevel@tonic-gate if (fclose(afd) == EOF) { 72027c478bd9Sstevel@tonic-gate err_print(FCLOSE_FAILED, ALIASFILE, strerror(errno)); 72037c478bd9Sstevel@tonic-gate } 72047c478bd9Sstevel@tonic-gate } 72057c478bd9Sstevel@tonic-gate 72067c478bd9Sstevel@tonic-gate /* 72077c478bd9Sstevel@tonic-gate * return TRUE if alias_name is an alias for driver_name, otherwise 72087c478bd9Sstevel@tonic-gate * return FALSE. 72097c478bd9Sstevel@tonic-gate */ 72107c478bd9Sstevel@tonic-gate static int 72117c478bd9Sstevel@tonic-gate alias(char *driver_name, char *alias_name) 72127c478bd9Sstevel@tonic-gate { 72137c478bd9Sstevel@tonic-gate driver_alias_t *alias; 72147c478bd9Sstevel@tonic-gate 72157c478bd9Sstevel@tonic-gate /* 72167c478bd9Sstevel@tonic-gate * check for a match 72177c478bd9Sstevel@tonic-gate */ 72187c478bd9Sstevel@tonic-gate for (alias = driver_aliases; alias != NULL; alias = alias->next) { 72197c478bd9Sstevel@tonic-gate if ((strcmp(alias->driver_name, driver_name) == 0) && 72207c478bd9Sstevel@tonic-gate (strcmp(alias->alias_name, alias_name) == 0)) { 72217c478bd9Sstevel@tonic-gate return (TRUE); 72227c478bd9Sstevel@tonic-gate } 72237c478bd9Sstevel@tonic-gate } 72247c478bd9Sstevel@tonic-gate return (FALSE); 72257c478bd9Sstevel@tonic-gate } 72267c478bd9Sstevel@tonic-gate 72277c478bd9Sstevel@tonic-gate /* 72287c478bd9Sstevel@tonic-gate * convenience functions 72297c478bd9Sstevel@tonic-gate */ 7230facf4a8dSllai static int 7231facf4a8dSllai s_stat(const char *path, struct stat *sbufp) 7232facf4a8dSllai { 7233facf4a8dSllai int rv; 7234facf4a8dSllai retry: 7235facf4a8dSllai if ((rv = stat(path, sbufp)) == -1) { 7236facf4a8dSllai if (errno == EINTR) 7237facf4a8dSllai goto retry; 7238facf4a8dSllai } 7239facf4a8dSllai return (rv); 7240facf4a8dSllai } 7241facf4a8dSllai 72427c478bd9Sstevel@tonic-gate static void * 72437c478bd9Sstevel@tonic-gate s_malloc(const size_t size) 72447c478bd9Sstevel@tonic-gate { 72457c478bd9Sstevel@tonic-gate void *rp; 72467c478bd9Sstevel@tonic-gate 72477c478bd9Sstevel@tonic-gate rp = malloc(size); 72487c478bd9Sstevel@tonic-gate if (rp == NULL) { 72497c478bd9Sstevel@tonic-gate err_print(MALLOC_FAILED, size); 72507c478bd9Sstevel@tonic-gate devfsadm_exit(1); 72517c478bd9Sstevel@tonic-gate } 72527c478bd9Sstevel@tonic-gate return (rp); 72537c478bd9Sstevel@tonic-gate } 72547c478bd9Sstevel@tonic-gate 72557c478bd9Sstevel@tonic-gate /* 72567c478bd9Sstevel@tonic-gate * convenience functions 72577c478bd9Sstevel@tonic-gate */ 72587c478bd9Sstevel@tonic-gate static void * 72597c478bd9Sstevel@tonic-gate s_realloc(void *ptr, const size_t size) 72607c478bd9Sstevel@tonic-gate { 72617c478bd9Sstevel@tonic-gate ptr = realloc(ptr, size); 72627c478bd9Sstevel@tonic-gate if (ptr == NULL) { 72637c478bd9Sstevel@tonic-gate err_print(REALLOC_FAILED, size); 72647c478bd9Sstevel@tonic-gate devfsadm_exit(1); 72657c478bd9Sstevel@tonic-gate } 72667c478bd9Sstevel@tonic-gate return (ptr); 72677c478bd9Sstevel@tonic-gate } 72687c478bd9Sstevel@tonic-gate 72697c478bd9Sstevel@tonic-gate static void * 72707c478bd9Sstevel@tonic-gate s_zalloc(const size_t size) 72717c478bd9Sstevel@tonic-gate { 72727c478bd9Sstevel@tonic-gate void *rp; 72737c478bd9Sstevel@tonic-gate 72747c478bd9Sstevel@tonic-gate rp = calloc(1, size); 72757c478bd9Sstevel@tonic-gate if (rp == NULL) { 72767c478bd9Sstevel@tonic-gate err_print(CALLOC_FAILED, size); 72777c478bd9Sstevel@tonic-gate devfsadm_exit(1); 72787c478bd9Sstevel@tonic-gate } 72797c478bd9Sstevel@tonic-gate return (rp); 72807c478bd9Sstevel@tonic-gate } 72817c478bd9Sstevel@tonic-gate 72827c478bd9Sstevel@tonic-gate char * 72837c478bd9Sstevel@tonic-gate s_strdup(const char *ptr) 72847c478bd9Sstevel@tonic-gate { 72857c478bd9Sstevel@tonic-gate void *rp; 72867c478bd9Sstevel@tonic-gate 72877c478bd9Sstevel@tonic-gate rp = strdup(ptr); 72887c478bd9Sstevel@tonic-gate if (rp == NULL) { 72897c478bd9Sstevel@tonic-gate err_print(STRDUP_FAILED, ptr); 72907c478bd9Sstevel@tonic-gate devfsadm_exit(1); 72917c478bd9Sstevel@tonic-gate } 72927c478bd9Sstevel@tonic-gate return (rp); 72937c478bd9Sstevel@tonic-gate } 72947c478bd9Sstevel@tonic-gate 72957c478bd9Sstevel@tonic-gate static void 72967c478bd9Sstevel@tonic-gate s_closedir(DIR *dirp) 72977c478bd9Sstevel@tonic-gate { 72987c478bd9Sstevel@tonic-gate retry: 72997c478bd9Sstevel@tonic-gate if (closedir(dirp) != 0) { 73007c478bd9Sstevel@tonic-gate if (errno == EINTR) 73017c478bd9Sstevel@tonic-gate goto retry; 73027c478bd9Sstevel@tonic-gate err_print(CLOSEDIR_FAILED, strerror(errno)); 73037c478bd9Sstevel@tonic-gate } 73047c478bd9Sstevel@tonic-gate } 73057c478bd9Sstevel@tonic-gate 73067c478bd9Sstevel@tonic-gate static void 73077c478bd9Sstevel@tonic-gate s_mkdirp(const char *path, const mode_t mode) 73087c478bd9Sstevel@tonic-gate { 73097c478bd9Sstevel@tonic-gate vprint(CHATTY_MID, "mkdirp(%s, 0x%lx)\n", path, mode); 73107c478bd9Sstevel@tonic-gate if (mkdirp(path, mode) == -1) { 73117c478bd9Sstevel@tonic-gate if (errno != EEXIST) { 73127c478bd9Sstevel@tonic-gate err_print(MKDIR_FAILED, path, mode, strerror(errno)); 73137c478bd9Sstevel@tonic-gate } 73147c478bd9Sstevel@tonic-gate } 73157c478bd9Sstevel@tonic-gate } 73167c478bd9Sstevel@tonic-gate 73177c478bd9Sstevel@tonic-gate static void 73187c478bd9Sstevel@tonic-gate s_unlink(const char *file) 73197c478bd9Sstevel@tonic-gate { 73207c478bd9Sstevel@tonic-gate retry: 73217c478bd9Sstevel@tonic-gate if (unlink(file) == -1) { 73227c478bd9Sstevel@tonic-gate if (errno == EINTR || errno == EAGAIN) 73237c478bd9Sstevel@tonic-gate goto retry; 73247c478bd9Sstevel@tonic-gate if (errno != ENOENT) { 73257c478bd9Sstevel@tonic-gate err_print(UNLINK_FAILED, file, strerror(errno)); 73267c478bd9Sstevel@tonic-gate } 73277c478bd9Sstevel@tonic-gate } 73287c478bd9Sstevel@tonic-gate } 73297c478bd9Sstevel@tonic-gate 73307c478bd9Sstevel@tonic-gate static void 73317c478bd9Sstevel@tonic-gate add_verbose_id(char *mid) 73327c478bd9Sstevel@tonic-gate { 73337c478bd9Sstevel@tonic-gate num_verbose++; 73347c478bd9Sstevel@tonic-gate verbose = s_realloc(verbose, num_verbose * sizeof (char *)); 73357c478bd9Sstevel@tonic-gate verbose[num_verbose - 1] = mid; 73367c478bd9Sstevel@tonic-gate } 73377c478bd9Sstevel@tonic-gate 73387c478bd9Sstevel@tonic-gate /* 73397c478bd9Sstevel@tonic-gate * returns DEVFSADM_TRUE if contents is a minor node in /devices. 73407c478bd9Sstevel@tonic-gate * If mn_root is not NULL, mn_root is set to: 73417c478bd9Sstevel@tonic-gate * if contents is a /dev node, mn_root = contents 73427c478bd9Sstevel@tonic-gate * OR 73437c478bd9Sstevel@tonic-gate * if contents is a /devices node, mn_root set to the '/' 73447c478bd9Sstevel@tonic-gate * following /devices. 73457c478bd9Sstevel@tonic-gate */ 73467c478bd9Sstevel@tonic-gate static int 73477c478bd9Sstevel@tonic-gate is_minor_node(char *contents, char **mn_root) 73487c478bd9Sstevel@tonic-gate { 73497c478bd9Sstevel@tonic-gate char *ptr; 73507c478bd9Sstevel@tonic-gate char device_prefix[100]; 73517c478bd9Sstevel@tonic-gate 73527c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "../devices/"); 73537c478bd9Sstevel@tonic-gate 73547c478bd9Sstevel@tonic-gate if ((ptr = strstr(contents, device_prefix)) != NULL) { 73557c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 73567c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 73577c478bd9Sstevel@tonic-gate *mn_root = ptr += strlen(device_prefix) - 1; 73587c478bd9Sstevel@tonic-gate } 73597c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 73607c478bd9Sstevel@tonic-gate } 73617c478bd9Sstevel@tonic-gate 73627c478bd9Sstevel@tonic-gate (void) snprintf(device_prefix, sizeof (device_prefix), "/devices/"); 73637c478bd9Sstevel@tonic-gate 73647c478bd9Sstevel@tonic-gate if (strncmp(contents, device_prefix, strlen(device_prefix)) == 0) { 73657c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 73667c478bd9Sstevel@tonic-gate /* mn_root should point to the / following /devices */ 73677c478bd9Sstevel@tonic-gate *mn_root = contents + strlen(device_prefix) - 1; 73687c478bd9Sstevel@tonic-gate } 73697c478bd9Sstevel@tonic-gate return (DEVFSADM_TRUE); 73707c478bd9Sstevel@tonic-gate } 73717c478bd9Sstevel@tonic-gate 73727c478bd9Sstevel@tonic-gate if (mn_root != NULL) { 73737c478bd9Sstevel@tonic-gate *mn_root = contents; 73747c478bd9Sstevel@tonic-gate } 73757c478bd9Sstevel@tonic-gate return (DEVFSADM_FALSE); 73767c478bd9Sstevel@tonic-gate } 73777c478bd9Sstevel@tonic-gate 73787c478bd9Sstevel@tonic-gate /* 73797c478bd9Sstevel@tonic-gate * Lookup nvpair corresponding to the given name and type: 73807c478bd9Sstevel@tonic-gate * 73817c478bd9Sstevel@tonic-gate * The standard nvlist_lookup functions in libnvpair don't work as our 73827c478bd9Sstevel@tonic-gate * nvlist is not allocated with NV_UNIQUE_NAME or NV_UNIQUE_NAME_TYPE. 73837c478bd9Sstevel@tonic-gate */ 73847c478bd9Sstevel@tonic-gate static nvpair_t * 73857c478bd9Sstevel@tonic-gate lookup_nvpair(nvlist_t *nvl, char *name, data_type_t type) 73867c478bd9Sstevel@tonic-gate { 73877c478bd9Sstevel@tonic-gate nvpair_t *nvp; 73887c478bd9Sstevel@tonic-gate 73897c478bd9Sstevel@tonic-gate for (nvp = nvlist_next_nvpair(nvl, NULL); nvp != NULL; 73907c478bd9Sstevel@tonic-gate nvp = nvlist_next_nvpair(nvl, nvp)) { 73917c478bd9Sstevel@tonic-gate if (strcmp(name, nvpair_name(nvp)) == 0 && 73927c478bd9Sstevel@tonic-gate nvpair_type(nvp) == type) 73937c478bd9Sstevel@tonic-gate return (nvp); 73947c478bd9Sstevel@tonic-gate } 73957c478bd9Sstevel@tonic-gate 73967c478bd9Sstevel@tonic-gate return (NULL); 73977c478bd9Sstevel@tonic-gate } 73987c478bd9Sstevel@tonic-gate 73997c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 74007c478bd9Sstevel@tonic-gate static void 74017c478bd9Sstevel@tonic-gate process_rcm_events(void *arg) 74027c478bd9Sstevel@tonic-gate { 74037c478bd9Sstevel@tonic-gate struct rcm_eventq *ev, *ev_next; 7404210db224Sericheng nvpair_t *nvp; 7405210db224Sericheng char *path, *driver; 7406210db224Sericheng int instance; 7407210db224Sericheng int err; 74087c478bd9Sstevel@tonic-gate int need_to_exit; 74097c478bd9Sstevel@tonic-gate 74107c478bd9Sstevel@tonic-gate for (;;) { 74117c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 74127c478bd9Sstevel@tonic-gate while (rcm_eventq_head == NULL && 74137c478bd9Sstevel@tonic-gate need_to_exit_rcm_event_thread == 0) 74147c478bd9Sstevel@tonic-gate (void) cond_wait(&rcm_eventq_cv, &rcm_eventq_lock); 74157c478bd9Sstevel@tonic-gate 74167c478bd9Sstevel@tonic-gate need_to_exit = need_to_exit_rcm_event_thread; 74177c478bd9Sstevel@tonic-gate ev = rcm_eventq_head; 74187c478bd9Sstevel@tonic-gate rcm_eventq_head = rcm_eventq_tail = NULL; 74197c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 74207c478bd9Sstevel@tonic-gate 74217c478bd9Sstevel@tonic-gate for (; ev != NULL; ev = ev_next) { 74227c478bd9Sstevel@tonic-gate /* 74237c478bd9Sstevel@tonic-gate * Private notification interface to RCM: 74247c478bd9Sstevel@tonic-gate * Do not retry the RCM notification on an error since 74257c478bd9Sstevel@tonic-gate * we do not know whether the failure occurred in 74267c478bd9Sstevel@tonic-gate * librcm, rcm_daemon or rcm modules or scripts. 74277c478bd9Sstevel@tonic-gate */ 7428210db224Sericheng if (librcm_notify_event(rcm_hdl, 7429210db224Sericheng RCM_RESOURCE_NETWORK_NEW, 0, ev->nvl, NULL) 7430210db224Sericheng != RCM_SUCCESS) { 7431210db224Sericheng 7432210db224Sericheng err = errno; 7433210db224Sericheng 7434210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7435210db224Sericheng RCM_NV_DEVFS_PATH, DATA_TYPE_STRING)) 7436210db224Sericheng == NULL) || 7437210db224Sericheng (nvpair_value_string(nvp, &path) != 0)) 7438210db224Sericheng path = "unknown"; 7439210db224Sericheng 7440210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7441210db224Sericheng RCM_NV_DRIVER_NAME, DATA_TYPE_STRING)) 7442210db224Sericheng == NULL) || 7443210db224Sericheng (nvpair_value_string(nvp, &driver) != 0)) 7444210db224Sericheng driver = "unknown"; 7445210db224Sericheng if (((nvp = lookup_nvpair(ev->nvl, 7446210db224Sericheng RCM_NV_INSTANCE, DATA_TYPE_INT32)) 7447210db224Sericheng == NULL) || 7448210db224Sericheng (nvpair_value_int32(nvp, &instance) != 0)) 7449210db224Sericheng instance = -1; 7450210db224Sericheng 7451210db224Sericheng err_print(RCM_NOTIFY_FAILED, path, driver, 7452210db224Sericheng instance, strerror(err)); 7453210db224Sericheng } 74547c478bd9Sstevel@tonic-gate 74557c478bd9Sstevel@tonic-gate ev_next = ev->next; 74567c478bd9Sstevel@tonic-gate nvlist_free(ev->nvl); 74577c478bd9Sstevel@tonic-gate free(ev); 74587c478bd9Sstevel@tonic-gate } 74597c478bd9Sstevel@tonic-gate 74607c478bd9Sstevel@tonic-gate if (need_to_exit) 74617c478bd9Sstevel@tonic-gate return; 74627c478bd9Sstevel@tonic-gate } 74637c478bd9Sstevel@tonic-gate } 74647c478bd9Sstevel@tonic-gate 74657c478bd9Sstevel@tonic-gate /* 74667c478bd9Sstevel@tonic-gate * Initialize rcm related handles and function pointers. 74677c478bd9Sstevel@tonic-gate * Since RCM need not present in miniroot, we dlopen librcm. 74687c478bd9Sstevel@tonic-gate */ 74697c478bd9Sstevel@tonic-gate static int 74707c478bd9Sstevel@tonic-gate rcm_init(void) 74717c478bd9Sstevel@tonic-gate { 74727c478bd9Sstevel@tonic-gate #define LIBRCM_PATH "/usr/lib/librcm.so" 74737c478bd9Sstevel@tonic-gate rcm_handle_t *hdl = NULL; 74747c478bd9Sstevel@tonic-gate int err; 74757c478bd9Sstevel@tonic-gate 74767c478bd9Sstevel@tonic-gate if ((librcm_hdl = dlopen(LIBRCM_PATH, RTLD_LAZY)) == NULL) { 74777c478bd9Sstevel@tonic-gate /* 74787c478bd9Sstevel@tonic-gate * don't log an error here, since librcm may not be present 74797c478bd9Sstevel@tonic-gate * in miniroot. 74807c478bd9Sstevel@tonic-gate */ 74817c478bd9Sstevel@tonic-gate return (-1); 74827c478bd9Sstevel@tonic-gate } 74837c478bd9Sstevel@tonic-gate 74847c478bd9Sstevel@tonic-gate librcm_alloc_handle = (int (*)())dlsym(librcm_hdl, "rcm_alloc_handle"); 74857c478bd9Sstevel@tonic-gate librcm_free_handle = (void (*)())dlsym(librcm_hdl, "rcm_free_handle"); 74867c478bd9Sstevel@tonic-gate librcm_notify_event = (int (*)())dlsym(librcm_hdl, "rcm_notify_event"); 74877c478bd9Sstevel@tonic-gate 74887c478bd9Sstevel@tonic-gate if (librcm_alloc_handle == NULL || librcm_notify_event == NULL || 74897c478bd9Sstevel@tonic-gate librcm_free_handle == NULL) { 74907c478bd9Sstevel@tonic-gate err_print(MISSING_SYMBOLS, LIBRCM_PATH); 74917c478bd9Sstevel@tonic-gate goto out; 74927c478bd9Sstevel@tonic-gate } 74937c478bd9Sstevel@tonic-gate 74947c478bd9Sstevel@tonic-gate /* Initialize the rcm handle */ 74957c478bd9Sstevel@tonic-gate if (librcm_alloc_handle(NULL, 0, NULL, &hdl) != RCM_SUCCESS) { 74967c478bd9Sstevel@tonic-gate err_print(RCM_ALLOC_HANDLE_ERROR); 74977c478bd9Sstevel@tonic-gate goto out; 74987c478bd9Sstevel@tonic-gate } 74997c478bd9Sstevel@tonic-gate 75007c478bd9Sstevel@tonic-gate (void) cond_init(&rcm_eventq_cv, USYNC_THREAD, 0); 75017c478bd9Sstevel@tonic-gate (void) mutex_init(&rcm_eventq_lock, USYNC_THREAD, 0); 75027c478bd9Sstevel@tonic-gate 75037c478bd9Sstevel@tonic-gate /* create a thread to notify RCM of events */ 75047c478bd9Sstevel@tonic-gate if ((err = thr_create(NULL, 0, (void *(*)(void *))process_rcm_events, 75057c478bd9Sstevel@tonic-gate NULL, 0, &process_rcm_events_tid)) != 0) { 75067c478bd9Sstevel@tonic-gate err_print(CANT_CREATE_THREAD, "process_rcm_events", 75077c478bd9Sstevel@tonic-gate strerror(err)); 75087c478bd9Sstevel@tonic-gate goto out; 75097c478bd9Sstevel@tonic-gate } 75107c478bd9Sstevel@tonic-gate 75117c478bd9Sstevel@tonic-gate rcm_hdl = hdl; 75127c478bd9Sstevel@tonic-gate return (0); 75137c478bd9Sstevel@tonic-gate 75147c478bd9Sstevel@tonic-gate out: 75157c478bd9Sstevel@tonic-gate if (hdl) 75167c478bd9Sstevel@tonic-gate librcm_free_handle(hdl); 75177c478bd9Sstevel@tonic-gate (void) dlclose(librcm_hdl); 75187c478bd9Sstevel@tonic-gate return (-1); 75197c478bd9Sstevel@tonic-gate } 75207c478bd9Sstevel@tonic-gate 75217c478bd9Sstevel@tonic-gate /* 75227c478bd9Sstevel@tonic-gate * Build an nvlist using the minor data. Pack it and add the packed nvlist 75237c478bd9Sstevel@tonic-gate * as a byte array to nv_list parameter. 75247c478bd9Sstevel@tonic-gate * Return 0 on success, errno on failure. 75257c478bd9Sstevel@tonic-gate */ 75267c478bd9Sstevel@tonic-gate static int 75277c478bd9Sstevel@tonic-gate add_minor_data_to_nvl(nvlist_t *nv_list, di_minor_t minor) 75287c478bd9Sstevel@tonic-gate { 75297c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 75307c478bd9Sstevel@tonic-gate int32_t minor_type; 75317c478bd9Sstevel@tonic-gate char *minor_name, *minor_node_type; 75327c478bd9Sstevel@tonic-gate int err; 75337c478bd9Sstevel@tonic-gate char *buf = NULL; 75347c478bd9Sstevel@tonic-gate size_t buflen = 0; 75357c478bd9Sstevel@tonic-gate 75367c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, 0, 0)) != 0) 75377c478bd9Sstevel@tonic-gate return (err); 75387c478bd9Sstevel@tonic-gate 75397c478bd9Sstevel@tonic-gate minor_type = (int32_t)di_minor_type(minor); 75407c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, RCM_NV_MINOR_TYPE, minor_type)) != 0) 75417c478bd9Sstevel@tonic-gate goto error; 75427c478bd9Sstevel@tonic-gate 75437c478bd9Sstevel@tonic-gate minor_name = di_minor_name(minor); 75447c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_MINOR_NAME, minor_name)) != 0) 75457c478bd9Sstevel@tonic-gate goto error; 75467c478bd9Sstevel@tonic-gate 75477c478bd9Sstevel@tonic-gate if ((minor_node_type = di_minor_nodetype(minor)) == NULL) 75487c478bd9Sstevel@tonic-gate minor_node_type = ""; 75497c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_MINOR_NODE_TYPE, 75507c478bd9Sstevel@tonic-gate minor_node_type)) != 0) 75517c478bd9Sstevel@tonic-gate goto error; 75527c478bd9Sstevel@tonic-gate 75537c478bd9Sstevel@tonic-gate if ((err = nvlist_pack(nvl, &buf, &buflen, NV_ENCODE_NATIVE, 0)) != 0) 75547c478bd9Sstevel@tonic-gate goto error; 75557c478bd9Sstevel@tonic-gate 75567c478bd9Sstevel@tonic-gate err = nvlist_add_byte_array(nv_list, RCM_NV_MINOR_DATA, 75577c478bd9Sstevel@tonic-gate (uchar_t *)(buf), (uint_t)(buflen)); 75587c478bd9Sstevel@tonic-gate 75597c478bd9Sstevel@tonic-gate error: 75607c478bd9Sstevel@tonic-gate nvlist_free(nvl); 75617c478bd9Sstevel@tonic-gate if (buf) 75627c478bd9Sstevel@tonic-gate free(buf); 75637c478bd9Sstevel@tonic-gate return (err); 75647c478bd9Sstevel@tonic-gate } 75657c478bd9Sstevel@tonic-gate 75667c478bd9Sstevel@tonic-gate static void 75677c478bd9Sstevel@tonic-gate enqueue_rcm_event(nvlist_t *nvl) 75687c478bd9Sstevel@tonic-gate { 75697c478bd9Sstevel@tonic-gate struct rcm_eventq *ev; 75707c478bd9Sstevel@tonic-gate 75717c478bd9Sstevel@tonic-gate ev = (struct rcm_eventq *)s_zalloc(sizeof (struct rcm_eventq)); 75727c478bd9Sstevel@tonic-gate ev->nvl = nvl; 75737c478bd9Sstevel@tonic-gate 75747c478bd9Sstevel@tonic-gate (void) mutex_lock(&rcm_eventq_lock); 75757c478bd9Sstevel@tonic-gate if (rcm_eventq_head == NULL) 75767c478bd9Sstevel@tonic-gate rcm_eventq_head = ev; 75777c478bd9Sstevel@tonic-gate else 75787c478bd9Sstevel@tonic-gate rcm_eventq_tail->next = ev; 75797c478bd9Sstevel@tonic-gate rcm_eventq_tail = ev; 75807c478bd9Sstevel@tonic-gate (void) cond_broadcast(&rcm_eventq_cv); 75817c478bd9Sstevel@tonic-gate (void) mutex_unlock(&rcm_eventq_lock); 75827c478bd9Sstevel@tonic-gate } 75837c478bd9Sstevel@tonic-gate 75847c478bd9Sstevel@tonic-gate /* 75857c478bd9Sstevel@tonic-gate * Generate an nvlist using the information given in node and minor_name. 75867c478bd9Sstevel@tonic-gate * If minor_name is NULL the nvlist will contain information on 75877c478bd9Sstevel@tonic-gate * all minor nodes. Otherwise the nvlist will contain information 75887c478bd9Sstevel@tonic-gate * only on the given minor_name. Notify RCM passing the nvlist. 75897c478bd9Sstevel@tonic-gate * 75907c478bd9Sstevel@tonic-gate * Return 0 upon successfully notifying RCM, errno on failure. 75917c478bd9Sstevel@tonic-gate */ 75927c478bd9Sstevel@tonic-gate static int 75937c478bd9Sstevel@tonic-gate notify_rcm(di_node_t node, char *minor_name) 75947c478bd9Sstevel@tonic-gate { 75957c478bd9Sstevel@tonic-gate nvlist_t *nvl = NULL; 75967c478bd9Sstevel@tonic-gate char *path, *driver_name; 75977c478bd9Sstevel@tonic-gate char *node_name; 75987c478bd9Sstevel@tonic-gate int err; 75997c478bd9Sstevel@tonic-gate int32_t instance; 76007c478bd9Sstevel@tonic-gate di_minor_t minor; 76017c478bd9Sstevel@tonic-gate 76027c478bd9Sstevel@tonic-gate if ((driver_name = di_driver_name(node)) == NULL) 76037c478bd9Sstevel@tonic-gate driver_name = ""; 76047c478bd9Sstevel@tonic-gate 76057c478bd9Sstevel@tonic-gate instance = (int32_t)di_instance(node); 76067c478bd9Sstevel@tonic-gate 76077c478bd9Sstevel@tonic-gate if ((path = di_devfs_path(node)) == NULL) { 76087c478bd9Sstevel@tonic-gate err = errno; 76097c478bd9Sstevel@tonic-gate goto error; 76107c478bd9Sstevel@tonic-gate } 76117c478bd9Sstevel@tonic-gate 76127c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, 0, 0)) != 0) 76137c478bd9Sstevel@tonic-gate goto error; 76147c478bd9Sstevel@tonic-gate 76157c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_DRIVER_NAME, driver_name)) 76167c478bd9Sstevel@tonic-gate != 0) 76177c478bd9Sstevel@tonic-gate goto error; 76187c478bd9Sstevel@tonic-gate 76197c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, RCM_NV_INSTANCE, instance)) != 0) 76207c478bd9Sstevel@tonic-gate goto error; 76217c478bd9Sstevel@tonic-gate 76227c478bd9Sstevel@tonic-gate if ((node_name = di_node_name(node)) == NULL) 76237c478bd9Sstevel@tonic-gate node_name = ""; 76247c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_NODE_NAME, node_name)) != 0) 76257c478bd9Sstevel@tonic-gate goto error; 76267c478bd9Sstevel@tonic-gate 76277c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, RCM_NV_DEVFS_PATH, path)) != 0) 76287c478bd9Sstevel@tonic-gate goto error; 76297c478bd9Sstevel@tonic-gate 76307c478bd9Sstevel@tonic-gate minor = di_minor_next(node, DI_MINOR_NIL); 76317c478bd9Sstevel@tonic-gate while (minor != DI_MINOR_NIL) { 76327c478bd9Sstevel@tonic-gate if ((minor_name == NULL) || 76337c478bd9Sstevel@tonic-gate (strcmp(minor_name, di_minor_name(minor)) == 0)) { 76347c478bd9Sstevel@tonic-gate if ((err = add_minor_data_to_nvl(nvl, minor)) != 0) 76357c478bd9Sstevel@tonic-gate goto error; 76367c478bd9Sstevel@tonic-gate } 76377c478bd9Sstevel@tonic-gate minor = di_minor_next(node, minor); 76387c478bd9Sstevel@tonic-gate } 76397c478bd9Sstevel@tonic-gate 76407c478bd9Sstevel@tonic-gate enqueue_rcm_event(nvl); 76417c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 76427c478bd9Sstevel@tonic-gate return (0); 76437c478bd9Sstevel@tonic-gate 76447c478bd9Sstevel@tonic-gate error: 76457c478bd9Sstevel@tonic-gate err_print(RCM_NVLIST_BUILD_ERROR, ((path != NULL) ? path : "unknown"), 76467c478bd9Sstevel@tonic-gate driver_name, instance, strerror(err)); 76477c478bd9Sstevel@tonic-gate 76487c478bd9Sstevel@tonic-gate if (path) 76497c478bd9Sstevel@tonic-gate di_devfs_path_free(path); 76507c478bd9Sstevel@tonic-gate if (nvl) 76517c478bd9Sstevel@tonic-gate nvlist_free(nvl); 76527c478bd9Sstevel@tonic-gate return (err); 76537c478bd9Sstevel@tonic-gate } 76547c478bd9Sstevel@tonic-gate 76557c478bd9Sstevel@tonic-gate /* 76567c478bd9Sstevel@tonic-gate * Add the specified property to nvl. 76577c478bd9Sstevel@tonic-gate * Returns: 76587c478bd9Sstevel@tonic-gate * 0 successfully added 76597c478bd9Sstevel@tonic-gate * -1 an error occurred 76607c478bd9Sstevel@tonic-gate * 1 could not add the property for reasons not due to errors. 76617c478bd9Sstevel@tonic-gate */ 76627c478bd9Sstevel@tonic-gate static int 76637c478bd9Sstevel@tonic-gate add_property(nvlist_t *nvl, di_prop_t prop) 76647c478bd9Sstevel@tonic-gate { 76657c478bd9Sstevel@tonic-gate char *name; 76667c478bd9Sstevel@tonic-gate char *attr_name; 76677c478bd9Sstevel@tonic-gate int n, len; 76687c478bd9Sstevel@tonic-gate int32_t *int32p; 76697c478bd9Sstevel@tonic-gate int64_t *int64p; 76707c478bd9Sstevel@tonic-gate char *str; 76717c478bd9Sstevel@tonic-gate char **strarray; 76727c478bd9Sstevel@tonic-gate uchar_t *bytep; 76737c478bd9Sstevel@tonic-gate int rv = 0; 76747c478bd9Sstevel@tonic-gate int i; 76757c478bd9Sstevel@tonic-gate 76767c478bd9Sstevel@tonic-gate if ((name = di_prop_name(prop)) == NULL) 76777c478bd9Sstevel@tonic-gate return (-1); 76787c478bd9Sstevel@tonic-gate 76797c478bd9Sstevel@tonic-gate len = sizeof (DEV_PROP_PREFIX) + strlen(name); 76807c478bd9Sstevel@tonic-gate if ((attr_name = malloc(len)) == NULL) 76817c478bd9Sstevel@tonic-gate return (-1); 76827c478bd9Sstevel@tonic-gate 76837c478bd9Sstevel@tonic-gate (void) strlcpy(attr_name, DEV_PROP_PREFIX, len); 76847c478bd9Sstevel@tonic-gate (void) strlcat(attr_name, name, len); 76857c478bd9Sstevel@tonic-gate 76867c478bd9Sstevel@tonic-gate switch (di_prop_type(prop)) { 76877c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BOOLEAN: 76887c478bd9Sstevel@tonic-gate if (nvlist_add_boolean(nvl, attr_name) != 0) 76897c478bd9Sstevel@tonic-gate goto out; 76907c478bd9Sstevel@tonic-gate break; 76917c478bd9Sstevel@tonic-gate 76927c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT: 76937c478bd9Sstevel@tonic-gate if ((n = di_prop_ints(prop, &int32p)) < 1) 76947c478bd9Sstevel@tonic-gate goto out; 76957c478bd9Sstevel@tonic-gate 76967c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int32_t))) { 76977c478bd9Sstevel@tonic-gate if (nvlist_add_int32_array(nvl, attr_name, int32p, 76987c478bd9Sstevel@tonic-gate n) != 0) 76997c478bd9Sstevel@tonic-gate goto out; 77007c478bd9Sstevel@tonic-gate } else 77017c478bd9Sstevel@tonic-gate rv = 1; 77027c478bd9Sstevel@tonic-gate break; 77037c478bd9Sstevel@tonic-gate 77047c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_INT64: 77057c478bd9Sstevel@tonic-gate if ((n = di_prop_int64(prop, &int64p)) < 1) 77067c478bd9Sstevel@tonic-gate goto out; 77077c478bd9Sstevel@tonic-gate 77087c478bd9Sstevel@tonic-gate if (n <= (PROP_LEN_LIMIT / sizeof (int64_t))) { 77097c478bd9Sstevel@tonic-gate if (nvlist_add_int64_array(nvl, attr_name, int64p, 77107c478bd9Sstevel@tonic-gate n) != 0) 77117c478bd9Sstevel@tonic-gate goto out; 77127c478bd9Sstevel@tonic-gate } else 77137c478bd9Sstevel@tonic-gate rv = 1; 77147c478bd9Sstevel@tonic-gate break; 77157c478bd9Sstevel@tonic-gate 77167c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_BYTE: 77177c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_UNKNOWN: 77187c478bd9Sstevel@tonic-gate if ((n = di_prop_bytes(prop, &bytep)) < 1) 77197c478bd9Sstevel@tonic-gate goto out; 77207c478bd9Sstevel@tonic-gate 77217c478bd9Sstevel@tonic-gate if (n <= PROP_LEN_LIMIT) { 77227c478bd9Sstevel@tonic-gate if (nvlist_add_byte_array(nvl, attr_name, bytep, n) 77237c478bd9Sstevel@tonic-gate != 0) 77247c478bd9Sstevel@tonic-gate goto out; 77257c478bd9Sstevel@tonic-gate } else 77267c478bd9Sstevel@tonic-gate rv = 1; 77277c478bd9Sstevel@tonic-gate break; 77287c478bd9Sstevel@tonic-gate 77297c478bd9Sstevel@tonic-gate case DI_PROP_TYPE_STRING: 77307c478bd9Sstevel@tonic-gate if ((n = di_prop_strings(prop, &str)) < 1) 77317c478bd9Sstevel@tonic-gate goto out; 77327c478bd9Sstevel@tonic-gate 77337c478bd9Sstevel@tonic-gate if ((strarray = malloc(n * sizeof (char *))) == NULL) 77347c478bd9Sstevel@tonic-gate goto out; 77357c478bd9Sstevel@tonic-gate 77367c478bd9Sstevel@tonic-gate len = 0; 77377c478bd9Sstevel@tonic-gate for (i = 0; i < n; i++) { 77387c478bd9Sstevel@tonic-gate strarray[i] = str + len; 77397c478bd9Sstevel@tonic-gate len += strlen(strarray[i]) + 1; 77407c478bd9Sstevel@tonic-gate } 77417c478bd9Sstevel@tonic-gate 77427c478bd9Sstevel@tonic-gate if (len <= PROP_LEN_LIMIT) { 77437c478bd9Sstevel@tonic-gate if (nvlist_add_string_array(nvl, attr_name, strarray, 77447c478bd9Sstevel@tonic-gate n) != 0) { 77457c478bd9Sstevel@tonic-gate free(strarray); 77467c478bd9Sstevel@tonic-gate goto out; 77477c478bd9Sstevel@tonic-gate } 77487c478bd9Sstevel@tonic-gate } else 77497c478bd9Sstevel@tonic-gate rv = 1; 77507c478bd9Sstevel@tonic-gate free(strarray); 77517c478bd9Sstevel@tonic-gate break; 77527c478bd9Sstevel@tonic-gate 77537c478bd9Sstevel@tonic-gate default: 77547c478bd9Sstevel@tonic-gate rv = 1; 77557c478bd9Sstevel@tonic-gate break; 77567c478bd9Sstevel@tonic-gate } 77577c478bd9Sstevel@tonic-gate 77587c478bd9Sstevel@tonic-gate free(attr_name); 77597c478bd9Sstevel@tonic-gate return (rv); 77607c478bd9Sstevel@tonic-gate 77617c478bd9Sstevel@tonic-gate out: 77627c478bd9Sstevel@tonic-gate free(attr_name); 77637c478bd9Sstevel@tonic-gate return (-1); 77647c478bd9Sstevel@tonic-gate } 77657c478bd9Sstevel@tonic-gate 77667c478bd9Sstevel@tonic-gate static void 77677c478bd9Sstevel@tonic-gate free_dev_names(struct devlink_cb_arg *x) 77687c478bd9Sstevel@tonic-gate { 77697c478bd9Sstevel@tonic-gate int i; 77707c478bd9Sstevel@tonic-gate 77717c478bd9Sstevel@tonic-gate for (i = 0; i < x->count; i++) { 77727c478bd9Sstevel@tonic-gate free(x->dev_names[i]); 77737c478bd9Sstevel@tonic-gate free(x->link_contents[i]); 77747c478bd9Sstevel@tonic-gate } 77757c478bd9Sstevel@tonic-gate } 77767c478bd9Sstevel@tonic-gate 77777c478bd9Sstevel@tonic-gate /* callback function for di_devlink_cache_walk */ 77787c478bd9Sstevel@tonic-gate static int 77797c478bd9Sstevel@tonic-gate devlink_cb(di_devlink_t dl, void *arg) 77807c478bd9Sstevel@tonic-gate { 77817c478bd9Sstevel@tonic-gate struct devlink_cb_arg *x = (struct devlink_cb_arg *)arg; 77827c478bd9Sstevel@tonic-gate const char *path; 77837c478bd9Sstevel@tonic-gate const char *content; 77847c478bd9Sstevel@tonic-gate 77857c478bd9Sstevel@tonic-gate if ((path = di_devlink_path(dl)) == NULL || 77867c478bd9Sstevel@tonic-gate (content = di_devlink_content(dl)) == NULL || 778712d8cf2aSjg (x->dev_names[x->count] = s_strdup(path)) == NULL) 77887c478bd9Sstevel@tonic-gate goto out; 77897c478bd9Sstevel@tonic-gate 779012d8cf2aSjg if ((x->link_contents[x->count] = s_strdup(content)) == NULL) { 77917c478bd9Sstevel@tonic-gate free(x->dev_names[x->count]); 77927c478bd9Sstevel@tonic-gate goto out; 77937c478bd9Sstevel@tonic-gate } 77947c478bd9Sstevel@tonic-gate 77957c478bd9Sstevel@tonic-gate x->count++; 77967c478bd9Sstevel@tonic-gate if (x->count >= MAX_DEV_NAME_COUNT) 77977c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 77987c478bd9Sstevel@tonic-gate 77997c478bd9Sstevel@tonic-gate return (DI_WALK_CONTINUE); 78007c478bd9Sstevel@tonic-gate 78017c478bd9Sstevel@tonic-gate out: 78027c478bd9Sstevel@tonic-gate x->rv = -1; 78037c478bd9Sstevel@tonic-gate free_dev_names(x); 78047c478bd9Sstevel@tonic-gate return (DI_WALK_TERMINATE); 78057c478bd9Sstevel@tonic-gate } 78067c478bd9Sstevel@tonic-gate 78077c478bd9Sstevel@tonic-gate /* 78087c478bd9Sstevel@tonic-gate * Lookup dev name corresponding to the phys_path. 78097c478bd9Sstevel@tonic-gate * phys_path is path to a node or minor node. 78107c478bd9Sstevel@tonic-gate * Returns: 78117c478bd9Sstevel@tonic-gate * 0 with *dev_name set to the dev name 78127c478bd9Sstevel@tonic-gate * Lookup succeeded and dev_name found 78137c478bd9Sstevel@tonic-gate * 0 with *dev_name set to NULL 78147c478bd9Sstevel@tonic-gate * Lookup encountered no errors but dev name not found 78157c478bd9Sstevel@tonic-gate * -1 78167c478bd9Sstevel@tonic-gate * Lookup failed 78177c478bd9Sstevel@tonic-gate */ 78187c478bd9Sstevel@tonic-gate static int 78197c478bd9Sstevel@tonic-gate lookup_dev_name(char *phys_path, char **dev_name) 78207c478bd9Sstevel@tonic-gate { 78217c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 78227c478bd9Sstevel@tonic-gate 78237c478bd9Sstevel@tonic-gate *dev_name = NULL; 78247c478bd9Sstevel@tonic-gate 78257c478bd9Sstevel@tonic-gate cb_arg.count = 0; 78267c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 78277c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, phys_path, 78287c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 78297c478bd9Sstevel@tonic-gate 78307c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1) 78317c478bd9Sstevel@tonic-gate return (-1); 78327c478bd9Sstevel@tonic-gate 78337c478bd9Sstevel@tonic-gate if (cb_arg.count > 0) { 783412d8cf2aSjg *dev_name = s_strdup(cb_arg.dev_names[0]); 78357c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 78367c478bd9Sstevel@tonic-gate if (*dev_name == NULL) 78377c478bd9Sstevel@tonic-gate return (-1); 78387c478bd9Sstevel@tonic-gate } 78397c478bd9Sstevel@tonic-gate 78407c478bd9Sstevel@tonic-gate return (0); 78417c478bd9Sstevel@tonic-gate } 78427c478bd9Sstevel@tonic-gate 78437c478bd9Sstevel@tonic-gate static char * 78447c478bd9Sstevel@tonic-gate lookup_disk_dev_name(char *node_path) 78457c478bd9Sstevel@tonic-gate { 78467c478bd9Sstevel@tonic-gate struct devlink_cb_arg cb_arg; 78477c478bd9Sstevel@tonic-gate char *dev_name = NULL; 78487c478bd9Sstevel@tonic-gate int i; 78497c478bd9Sstevel@tonic-gate char *p; 78507c478bd9Sstevel@tonic-gate int len1, len2; 78517c478bd9Sstevel@tonic-gate 78527c478bd9Sstevel@tonic-gate #define DEV_RDSK "/dev/rdsk/" 78537c478bd9Sstevel@tonic-gate #define DISK_RAW_MINOR ",raw" 78547c478bd9Sstevel@tonic-gate 78557c478bd9Sstevel@tonic-gate cb_arg.count = 0; 78567c478bd9Sstevel@tonic-gate cb_arg.rv = 0; 78577c478bd9Sstevel@tonic-gate (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 78587c478bd9Sstevel@tonic-gate DI_PRIMARY_LINK, &cb_arg, devlink_cb); 78597c478bd9Sstevel@tonic-gate 78607c478bd9Sstevel@tonic-gate if (cb_arg.rv == -1 || cb_arg.count == 0) 78617c478bd9Sstevel@tonic-gate return (NULL); 78627c478bd9Sstevel@tonic-gate 78637c478bd9Sstevel@tonic-gate /* first try lookup based on /dev/rdsk name */ 78647c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 78657c478bd9Sstevel@tonic-gate if (strncmp(cb_arg.dev_names[i], DEV_RDSK, 78667c478bd9Sstevel@tonic-gate sizeof (DEV_RDSK) - 1) == 0) { 786712d8cf2aSjg dev_name = s_strdup(cb_arg.dev_names[i]); 78687c478bd9Sstevel@tonic-gate break; 78697c478bd9Sstevel@tonic-gate } 78707c478bd9Sstevel@tonic-gate } 78717c478bd9Sstevel@tonic-gate 78727c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 78737c478bd9Sstevel@tonic-gate /* now try lookup based on a minor name ending with ",raw" */ 78747c478bd9Sstevel@tonic-gate len1 = sizeof (DISK_RAW_MINOR) - 1; 78757c478bd9Sstevel@tonic-gate for (i = 0; i < cb_arg.count; i++) { 78767c478bd9Sstevel@tonic-gate len2 = strlen(cb_arg.link_contents[i]); 78777c478bd9Sstevel@tonic-gate if (len2 >= len1 && 78787c478bd9Sstevel@tonic-gate strcmp(cb_arg.link_contents[i] + len2 - len1, 78797c478bd9Sstevel@tonic-gate DISK_RAW_MINOR) == 0) { 788012d8cf2aSjg dev_name = s_strdup(cb_arg.dev_names[i]); 78817c478bd9Sstevel@tonic-gate break; 78827c478bd9Sstevel@tonic-gate } 78837c478bd9Sstevel@tonic-gate } 78847c478bd9Sstevel@tonic-gate } 78857c478bd9Sstevel@tonic-gate 78867c478bd9Sstevel@tonic-gate free_dev_names(&cb_arg); 78877c478bd9Sstevel@tonic-gate 788812d8cf2aSjg if (dev_name == NULL) 788912d8cf2aSjg return (NULL); 78907c478bd9Sstevel@tonic-gate if (strlen(dev_name) == 0) { 78917c478bd9Sstevel@tonic-gate free(dev_name); 78927c478bd9Sstevel@tonic-gate return (NULL); 78937c478bd9Sstevel@tonic-gate } 78947c478bd9Sstevel@tonic-gate 78957c478bd9Sstevel@tonic-gate /* if the name contains slice or partition number strip it */ 78967c478bd9Sstevel@tonic-gate p = dev_name + strlen(dev_name) - 1; 78977c478bd9Sstevel@tonic-gate if (isdigit(*p)) { 78987c478bd9Sstevel@tonic-gate while (p != dev_name && isdigit(*p)) 78997c478bd9Sstevel@tonic-gate p--; 79007c478bd9Sstevel@tonic-gate if (*p == 's' || *p == 'p') 79017c478bd9Sstevel@tonic-gate *p = '\0'; 79027c478bd9Sstevel@tonic-gate } 79037c478bd9Sstevel@tonic-gate 79047c478bd9Sstevel@tonic-gate return (dev_name); 79057c478bd9Sstevel@tonic-gate } 79067c478bd9Sstevel@tonic-gate 790730294554Sphitran static char * 790830294554Sphitran lookup_lofi_dev_name(char *node_path, char *minor) 790930294554Sphitran { 791030294554Sphitran struct devlink_cb_arg cb_arg; 791130294554Sphitran char *dev_name = NULL; 791230294554Sphitran int i; 791330294554Sphitran int len1, len2; 791430294554Sphitran 791530294554Sphitran cb_arg.count = 0; 791630294554Sphitran cb_arg.rv = 0; 791730294554Sphitran (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 791830294554Sphitran DI_PRIMARY_LINK, &cb_arg, devlink_cb); 791930294554Sphitran 792030294554Sphitran if (cb_arg.rv == -1 || cb_arg.count == 0) 792130294554Sphitran return (NULL); 792230294554Sphitran 792330294554Sphitran /* lookup based on a minor name ending with ",raw" */ 792430294554Sphitran len1 = strlen(minor); 792530294554Sphitran for (i = 0; i < cb_arg.count; i++) { 792630294554Sphitran len2 = strlen(cb_arg.link_contents[i]); 792730294554Sphitran if (len2 >= len1 && 792830294554Sphitran strcmp(cb_arg.link_contents[i] + len2 - len1, 792930294554Sphitran minor) == 0) { 793030294554Sphitran dev_name = s_strdup(cb_arg.dev_names[i]); 793130294554Sphitran break; 793230294554Sphitran } 793330294554Sphitran } 793430294554Sphitran 793530294554Sphitran free_dev_names(&cb_arg); 793630294554Sphitran 793730294554Sphitran if (dev_name == NULL) 793830294554Sphitran return (NULL); 793930294554Sphitran if (strlen(dev_name) == 0) { 794030294554Sphitran free(dev_name); 794130294554Sphitran return (NULL); 794230294554Sphitran } 794330294554Sphitran 794430294554Sphitran return (dev_name); 794530294554Sphitran } 794630294554Sphitran 79477c478bd9Sstevel@tonic-gate static char * 79487c478bd9Sstevel@tonic-gate lookup_network_dev_name(char *node_path, char *driver_name) 79497c478bd9Sstevel@tonic-gate { 79507c478bd9Sstevel@tonic-gate char *dev_name = NULL; 79517c478bd9Sstevel@tonic-gate char phys_path[MAXPATHLEN]; 79527c478bd9Sstevel@tonic-gate 79537c478bd9Sstevel@tonic-gate if (lookup_dev_name(node_path, &dev_name) == -1) 79547c478bd9Sstevel@tonic-gate return (NULL); 79557c478bd9Sstevel@tonic-gate 79567c478bd9Sstevel@tonic-gate if (dev_name == NULL) { 79577c478bd9Sstevel@tonic-gate /* dlpi style-2 only interface */ 79587c478bd9Sstevel@tonic-gate (void) snprintf(phys_path, sizeof (phys_path), 79597c478bd9Sstevel@tonic-gate "/pseudo/clone@0:%s", driver_name); 79607c478bd9Sstevel@tonic-gate if (lookup_dev_name(phys_path, &dev_name) == -1 || 79617c478bd9Sstevel@tonic-gate dev_name == NULL) 79627c478bd9Sstevel@tonic-gate return (NULL); 79637c478bd9Sstevel@tonic-gate } 79647c478bd9Sstevel@tonic-gate 79657c478bd9Sstevel@tonic-gate return (dev_name); 79667c478bd9Sstevel@tonic-gate } 79677c478bd9Sstevel@tonic-gate 7968db11e6feSjacobs static char * 7969db11e6feSjacobs lookup_printer_dev_name(char *node_path) 7970db11e6feSjacobs { 7971db11e6feSjacobs struct devlink_cb_arg cb_arg; 7972db11e6feSjacobs char *dev_name = NULL; 7973db11e6feSjacobs int i; 7974db11e6feSjacobs 7975db11e6feSjacobs #define DEV_PRINTERS "/dev/printers/" 7976db11e6feSjacobs 7977db11e6feSjacobs cb_arg.count = 0; 7978db11e6feSjacobs cb_arg.rv = 0; 7979db11e6feSjacobs (void) di_devlink_cache_walk(devlink_cache, NULL, node_path, 7980db11e6feSjacobs DI_PRIMARY_LINK, &cb_arg, devlink_cb); 7981db11e6feSjacobs 7982db11e6feSjacobs if (cb_arg.rv == -1 || cb_arg.count == 0) 7983db11e6feSjacobs return (NULL); 7984db11e6feSjacobs 7985db11e6feSjacobs /* first try lookup based on /dev/printers name */ 7986db11e6feSjacobs for (i = 0; i < cb_arg.count; i++) { 7987db11e6feSjacobs if (strncmp(cb_arg.dev_names[i], DEV_PRINTERS, 7988db11e6feSjacobs sizeof (DEV_PRINTERS) - 1) == 0) { 7989db11e6feSjacobs dev_name = s_strdup(cb_arg.dev_names[i]); 7990db11e6feSjacobs break; 7991db11e6feSjacobs } 7992db11e6feSjacobs } 7993db11e6feSjacobs 7994db11e6feSjacobs /* fallback to the first name */ 7995db11e6feSjacobs if ((dev_name == NULL) && (cb_arg.count > 0)) 7996db11e6feSjacobs dev_name = s_strdup(cb_arg.dev_names[0]); 7997db11e6feSjacobs 7998db11e6feSjacobs free_dev_names(&cb_arg); 7999db11e6feSjacobs 8000db11e6feSjacobs return (dev_name); 8001db11e6feSjacobs } 8002db11e6feSjacobs 80037c478bd9Sstevel@tonic-gate /* 80047c478bd9Sstevel@tonic-gate * Build an nvlist containing all attributes for devfs events. 80057c478bd9Sstevel@tonic-gate * Returns nvlist pointer on success, NULL on failure. 80067c478bd9Sstevel@tonic-gate */ 80077c478bd9Sstevel@tonic-gate static nvlist_t * 80087c478bd9Sstevel@tonic-gate build_event_attributes(char *class, char *subclass, char *node_path, 800930294554Sphitran di_node_t node, char *driver_name, int instance, char *minor) 80107c478bd9Sstevel@tonic-gate { 80117c478bd9Sstevel@tonic-gate nvlist_t *nvl; 80127c478bd9Sstevel@tonic-gate int err = 0; 80137c478bd9Sstevel@tonic-gate di_prop_t prop; 80147c478bd9Sstevel@tonic-gate int count; 80157c478bd9Sstevel@tonic-gate char *prop_name; 80167c478bd9Sstevel@tonic-gate int x; 80177c478bd9Sstevel@tonic-gate char *dev_name = NULL; 80187c478bd9Sstevel@tonic-gate int dev_name_lookup_err = 0; 80197c478bd9Sstevel@tonic-gate 80207c478bd9Sstevel@tonic-gate if ((err = nvlist_alloc(&nvl, NV_UNIQUE_NAME_TYPE, 0)) != 0) { 80217c478bd9Sstevel@tonic-gate nvl = NULL; 80227c478bd9Sstevel@tonic-gate goto out; 80237c478bd9Sstevel@tonic-gate } 80247c478bd9Sstevel@tonic-gate 80257c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, EV_VERSION, EV_V1)) != 0) 80267c478bd9Sstevel@tonic-gate goto out; 80277c478bd9Sstevel@tonic-gate 80287c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_PHYS_PATH, node_path)) != 0) 80297c478bd9Sstevel@tonic-gate goto out; 80307c478bd9Sstevel@tonic-gate 80317c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) != 0 && 80327c478bd9Sstevel@tonic-gate strcmp(class, EC_DEV_REMOVE) != 0) 80337c478bd9Sstevel@tonic-gate return (nvl); 80347c478bd9Sstevel@tonic-gate 80357c478bd9Sstevel@tonic-gate if (driver_name == NULL || instance == -1) 80367c478bd9Sstevel@tonic-gate goto out; 80377c478bd9Sstevel@tonic-gate 80387c478bd9Sstevel@tonic-gate if (strcmp(subclass, ESC_DISK) == 0) { 80397c478bd9Sstevel@tonic-gate if ((dev_name = lookup_disk_dev_name(node_path)) == NULL) { 80407c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 80417c478bd9Sstevel@tonic-gate goto out; 80427c478bd9Sstevel@tonic-gate } 80437c478bd9Sstevel@tonic-gate } else if (strcmp(subclass, ESC_NETWORK) == 0) { 80447c478bd9Sstevel@tonic-gate if ((dev_name = lookup_network_dev_name(node_path, driver_name)) 80457c478bd9Sstevel@tonic-gate == NULL) { 80467c478bd9Sstevel@tonic-gate dev_name_lookup_err = 1; 80477c478bd9Sstevel@tonic-gate goto out; 80487c478bd9Sstevel@tonic-gate } 8049db11e6feSjacobs } else if (strcmp(subclass, ESC_PRINTER) == 0) { 8050db11e6feSjacobs if ((dev_name = lookup_printer_dev_name(node_path)) == NULL) { 8051db11e6feSjacobs dev_name_lookup_err = 1; 8052db11e6feSjacobs goto out; 8053db11e6feSjacobs } 805430294554Sphitran } else if (strcmp(subclass, ESC_LOFI) == 0) { 805530294554Sphitran /* 805630294554Sphitran * The raw minor node is created or removed after the block 805730294554Sphitran * node. Lofi devfs events are dependent on this behavior. 805830294554Sphitran * Generate the sysevent only for the raw minor node. 805930294554Sphitran */ 806030294554Sphitran if (strstr(minor, "raw") == NULL) { 806130294554Sphitran if (nvl) { 806230294554Sphitran nvlist_free(nvl); 806330294554Sphitran } 806430294554Sphitran return (NULL); 806530294554Sphitran } 806630294554Sphitran if ((dev_name = lookup_lofi_dev_name(node_path, minor)) == 806730294554Sphitran NULL) { 806830294554Sphitran dev_name_lookup_err = 1; 806930294554Sphitran goto out; 807030294554Sphitran } 80717c478bd9Sstevel@tonic-gate } 80727c478bd9Sstevel@tonic-gate 80737c478bd9Sstevel@tonic-gate if (dev_name) { 80747c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_NAME, dev_name)) != 0) 80757c478bd9Sstevel@tonic-gate goto out; 80767c478bd9Sstevel@tonic-gate free(dev_name); 80777c478bd9Sstevel@tonic-gate dev_name = NULL; 80787c478bd9Sstevel@tonic-gate } 80797c478bd9Sstevel@tonic-gate 80807c478bd9Sstevel@tonic-gate if ((err = nvlist_add_string(nvl, DEV_DRIVER_NAME, driver_name)) != 0) 80817c478bd9Sstevel@tonic-gate goto out; 80827c478bd9Sstevel@tonic-gate 80837c478bd9Sstevel@tonic-gate if ((err = nvlist_add_int32(nvl, DEV_INSTANCE, instance)) != 0) 80847c478bd9Sstevel@tonic-gate goto out; 80857c478bd9Sstevel@tonic-gate 80867c478bd9Sstevel@tonic-gate if (strcmp(class, EC_DEV_ADD) == 0) { 80877c478bd9Sstevel@tonic-gate /* add properties */ 80887c478bd9Sstevel@tonic-gate count = 0; 80897c478bd9Sstevel@tonic-gate for (prop = di_prop_next(node, DI_PROP_NIL); 80907c478bd9Sstevel@tonic-gate prop != DI_PROP_NIL && count < MAX_PROP_COUNT; 80917c478bd9Sstevel@tonic-gate prop = di_prop_next(node, prop)) { 80927c478bd9Sstevel@tonic-gate 80937c478bd9Sstevel@tonic-gate if (di_prop_devt(prop) != DDI_DEV_T_NONE) 80947c478bd9Sstevel@tonic-gate continue; 80957c478bd9Sstevel@tonic-gate 80967c478bd9Sstevel@tonic-gate if ((x = add_property(nvl, prop)) == 0) 80977c478bd9Sstevel@tonic-gate count++; 80987c478bd9Sstevel@tonic-gate else if (x == -1) { 80997c478bd9Sstevel@tonic-gate if ((prop_name = di_prop_name(prop)) == NULL) 81007c478bd9Sstevel@tonic-gate prop_name = ""; 81017c478bd9Sstevel@tonic-gate err_print(PROP_ADD_FAILED, prop_name); 81027c478bd9Sstevel@tonic-gate goto out; 81037c478bd9Sstevel@tonic-gate } 81047c478bd9Sstevel@tonic-gate } 81057c478bd9Sstevel@tonic-gate } 81067c478bd9Sstevel@tonic-gate 81077c478bd9Sstevel@tonic-gate return (nvl); 81087c478bd9Sstevel@tonic-gate 81097c478bd9Sstevel@tonic-gate out: 81107c478bd9Sstevel@tonic-gate if (nvl) 81117c478bd9Sstevel@tonic-gate nvlist_free(nvl); 81127c478bd9Sstevel@tonic-gate 81137c478bd9Sstevel@tonic-gate if (dev_name) 81147c478bd9Sstevel@tonic-gate free(dev_name); 81157c478bd9Sstevel@tonic-gate 81167c478bd9Sstevel@tonic-gate if (dev_name_lookup_err) 81177c478bd9Sstevel@tonic-gate err_print(DEV_NAME_LOOKUP_FAILED, node_path); 81187c478bd9Sstevel@tonic-gate else 81197c478bd9Sstevel@tonic-gate err_print(BUILD_EVENT_ATTR_FAILED, (err) ? strerror(err) : ""); 81207c478bd9Sstevel@tonic-gate return (NULL); 81217c478bd9Sstevel@tonic-gate } 81227c478bd9Sstevel@tonic-gate 81237c478bd9Sstevel@tonic-gate static void 81247c478bd9Sstevel@tonic-gate log_event(char *class, char *subclass, nvlist_t *nvl) 81257c478bd9Sstevel@tonic-gate { 81267c478bd9Sstevel@tonic-gate sysevent_id_t eid; 81277c478bd9Sstevel@tonic-gate 81287c478bd9Sstevel@tonic-gate if (sysevent_post_event(class, subclass, "SUNW", DEVFSADMD, 81297c478bd9Sstevel@tonic-gate nvl, &eid) != 0) { 81307c478bd9Sstevel@tonic-gate err_print(LOG_EVENT_FAILED, strerror(errno)); 81317c478bd9Sstevel@tonic-gate } 81327c478bd9Sstevel@tonic-gate } 81337c478bd9Sstevel@tonic-gate 8134f05faa4eSjacobs /* 8135f05faa4eSjacobs * When devfsadmd needs to generate sysevents, they are queued for later 8136f05faa4eSjacobs * delivery this allows them to be delivered after the devlinks db cache has 8137f05faa4eSjacobs * been flushed guaranteeing that applications consuming these events have 8138f05faa4eSjacobs * access to an accurate devlinks db. The queue is a FIFO, sysevents to be 8139f05faa4eSjacobs * inserted in the front of the queue and consumed off the back. 8140f05faa4eSjacobs */ 8141f05faa4eSjacobs static void 8142f05faa4eSjacobs enqueue_sysevent(char *class, char *subclass, nvlist_t *nvl) 8143f05faa4eSjacobs { 8144f05faa4eSjacobs syseventq_t *tmp; 8145f05faa4eSjacobs 8146f05faa4eSjacobs if ((tmp = s_zalloc(sizeof (*tmp))) == NULL) 8147f05faa4eSjacobs return; 8148f05faa4eSjacobs 8149f05faa4eSjacobs tmp->class = s_strdup(class); 8150f05faa4eSjacobs tmp->subclass = s_strdup(subclass); 8151f05faa4eSjacobs tmp->nvl = nvl; 8152f05faa4eSjacobs 8153f05faa4eSjacobs (void) mutex_lock(&syseventq_mutex); 8154f05faa4eSjacobs if (syseventq_front != NULL) 8155f05faa4eSjacobs syseventq_front->next = tmp; 8156f05faa4eSjacobs else 8157f05faa4eSjacobs syseventq_back = tmp; 8158f05faa4eSjacobs syseventq_front = tmp; 8159f05faa4eSjacobs (void) mutex_unlock(&syseventq_mutex); 8160f05faa4eSjacobs } 8161f05faa4eSjacobs 8162f05faa4eSjacobs static void 8163f05faa4eSjacobs process_syseventq() 8164f05faa4eSjacobs { 8165f05faa4eSjacobs (void) mutex_lock(&syseventq_mutex); 8166f05faa4eSjacobs while (syseventq_back != NULL) { 8167f05faa4eSjacobs syseventq_t *tmp = syseventq_back; 8168f05faa4eSjacobs 8169f05faa4eSjacobs vprint(CHATTY_MID, "sending queued event: %s, %s\n", 8170f05faa4eSjacobs tmp->class, tmp->subclass); 8171f05faa4eSjacobs 8172f05faa4eSjacobs log_event(tmp->class, tmp->subclass, tmp->nvl); 8173f05faa4eSjacobs 8174f05faa4eSjacobs if (tmp->class != NULL) 8175f05faa4eSjacobs free(tmp->class); 8176f05faa4eSjacobs if (tmp->subclass != NULL) 8177f05faa4eSjacobs free(tmp->subclass); 8178f05faa4eSjacobs if (tmp->nvl != NULL) 8179f05faa4eSjacobs nvlist_free(tmp->nvl); 8180f05faa4eSjacobs syseventq_back = syseventq_back->next; 8181f05faa4eSjacobs if (syseventq_back == NULL) 8182f05faa4eSjacobs syseventq_front = NULL; 8183f05faa4eSjacobs free(tmp); 8184f05faa4eSjacobs } 8185f05faa4eSjacobs (void) mutex_unlock(&syseventq_mutex); 8186f05faa4eSjacobs } 8187f05faa4eSjacobs 81887c478bd9Sstevel@tonic-gate static void 8189f05faa4eSjacobs build_and_enq_event(char *class, char *subclass, char *node_path, 819030294554Sphitran di_node_t node, char *minor) 81917c478bd9Sstevel@tonic-gate { 81927c478bd9Sstevel@tonic-gate nvlist_t *nvl; 81937c478bd9Sstevel@tonic-gate 8194f05faa4eSjacobs vprint(CHATTY_MID, "build_and_enq_event(%s, %s, %s, 0x%8.8x)\n", 8195f05faa4eSjacobs class, subclass, node_path, (int)node); 8196f05faa4eSjacobs 81977c478bd9Sstevel@tonic-gate if (node != DI_NODE_NIL) 81987c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 819930294554Sphitran di_driver_name(node), di_instance(node), minor); 82007c478bd9Sstevel@tonic-gate else 82017c478bd9Sstevel@tonic-gate nvl = build_event_attributes(class, subclass, node_path, node, 820230294554Sphitran NULL, -1, minor); 82037c478bd9Sstevel@tonic-gate 82047c478bd9Sstevel@tonic-gate if (nvl) { 8205f05faa4eSjacobs enqueue_sysevent(class, subclass, nvl); 82067c478bd9Sstevel@tonic-gate } 82077c478bd9Sstevel@tonic-gate } 8208facf4a8dSllai 82091ca93273Seota /* 82101ca93273Seota * is_blank() returns 1 (true) if a line specified is composed of 82111ca93273Seota * whitespace characters only. otherwise, it returns 0 (false). 82121ca93273Seota * 82131ca93273Seota * Note. the argument (line) must be null-terminated. 82141ca93273Seota */ 82151ca93273Seota static int 82161ca93273Seota is_blank(char *line) 82171ca93273Seota { 82181ca93273Seota for (/* nothing */; *line != '\0'; line++) 82191ca93273Seota if (!isspace(*line)) 82201ca93273Seota return (0); 82211ca93273Seota return (1); 82221ca93273Seota } 82231ca93273Seota 8224aa646b9dSvikram /* 8225aa646b9dSvikram * Functions to deal with the no-further-processing hash 8226aa646b9dSvikram */ 8227aa646b9dSvikram 8228aa646b9dSvikram static void 8229aa646b9dSvikram nfphash_create(void) 8230aa646b9dSvikram { 8231aa646b9dSvikram assert(nfp_hash == NULL); 8232aa646b9dSvikram nfp_hash = s_zalloc(NFP_HASH_SZ * sizeof (item_t *)); 8233aa646b9dSvikram } 8234aa646b9dSvikram 8235aa646b9dSvikram static int 8236aa646b9dSvikram nfphash_fcn(char *key) 8237aa646b9dSvikram { 8238aa646b9dSvikram int i; 8239aa646b9dSvikram uint64_t sum = 0; 8240aa646b9dSvikram 8241aa646b9dSvikram for (i = 0; key[i] != '\0'; i++) { 8242aa646b9dSvikram sum += (uchar_t)key[i]; 8243aa646b9dSvikram } 8244aa646b9dSvikram 8245aa646b9dSvikram return (sum % NFP_HASH_SZ); 8246aa646b9dSvikram } 8247aa646b9dSvikram 8248aa646b9dSvikram static item_t * 8249aa646b9dSvikram nfphash_lookup(char *key) 8250aa646b9dSvikram { 8251aa646b9dSvikram int index; 8252aa646b9dSvikram item_t *ip; 8253aa646b9dSvikram 8254aa646b9dSvikram index = nfphash_fcn(key); 8255aa646b9dSvikram 8256aa646b9dSvikram assert(index >= 0); 8257aa646b9dSvikram 8258aa646b9dSvikram for (ip = nfp_hash[index]; ip; ip = ip->i_next) { 8259aa646b9dSvikram if (strcmp(ip->i_key, key) == 0) 8260aa646b9dSvikram return (ip); 8261aa646b9dSvikram } 8262aa646b9dSvikram 8263aa646b9dSvikram return (NULL); 8264aa646b9dSvikram } 8265aa646b9dSvikram 8266aa646b9dSvikram static void 8267aa646b9dSvikram nfphash_insert(char *key) 8268aa646b9dSvikram { 8269aa646b9dSvikram item_t *ip; 8270aa646b9dSvikram int index; 8271aa646b9dSvikram 8272aa646b9dSvikram index = nfphash_fcn(key); 8273aa646b9dSvikram 8274aa646b9dSvikram assert(index >= 0); 8275aa646b9dSvikram 8276aa646b9dSvikram ip = s_zalloc(sizeof (item_t)); 8277aa646b9dSvikram ip->i_key = s_strdup(key); 8278aa646b9dSvikram 8279aa646b9dSvikram ip->i_next = nfp_hash[index]; 8280aa646b9dSvikram nfp_hash[index] = ip; 8281aa646b9dSvikram } 8282aa646b9dSvikram 8283aa646b9dSvikram static void 8284aa646b9dSvikram nfphash_destroy(void) 8285aa646b9dSvikram { 8286aa646b9dSvikram int i; 8287aa646b9dSvikram item_t *ip; 8288aa646b9dSvikram 8289aa646b9dSvikram for (i = 0; i < NFP_HASH_SZ; i++) { 8290aa646b9dSvikram /*LINTED*/ 8291aa646b9dSvikram while (ip = nfp_hash[i]) { 8292aa646b9dSvikram nfp_hash[i] = ip->i_next; 8293aa646b9dSvikram free(ip->i_key); 8294aa646b9dSvikram free(ip); 8295aa646b9dSvikram } 8296aa646b9dSvikram } 8297aa646b9dSvikram 8298aa646b9dSvikram free(nfp_hash); 8299aa646b9dSvikram nfp_hash = NULL; 8300aa646b9dSvikram } 8301aa646b9dSvikram 8302facf4a8dSllai static int 8303facf4a8dSllai devname_kcall(int subcmd, void *args) 8304facf4a8dSllai { 8305facf4a8dSllai int error = 0; 8306facf4a8dSllai char *nvlbuf = NULL; 8307facf4a8dSllai size_t nvlsize; 8308facf4a8dSllai 8309facf4a8dSllai switch (subcmd) { 8310facf4a8dSllai case MODDEVNAME_NSMAPS: 8311facf4a8dSllai error = nvlist_pack((nvlist_t *)args, &nvlbuf, &nvlsize, 0, 0); 8312facf4a8dSllai if (error) { 8313facf4a8dSllai err_print("packing MODDEVNAME_NSMAPS failed\n"); 8314facf4a8dSllai break; 8315facf4a8dSllai } 8316facf4a8dSllai error = modctl(MODDEVNAME, subcmd, nvlbuf, nvlsize); 8317facf4a8dSllai if (error) { 8318facf4a8dSllai vprint(INFO_MID, "modctl(MODDEVNAME, " 8319facf4a8dSllai "MODDEVNAME_NSMAPS) failed - %s\n", 8320facf4a8dSllai strerror(errno)); 8321facf4a8dSllai } 8322facf4a8dSllai free(nvlbuf); 8323facf4a8dSllai nvlist_free(args); 8324facf4a8dSllai break; 8325facf4a8dSllai case MODDEVNAME_LOOKUPDOOR: 8326facf4a8dSllai error = modctl(MODDEVNAME, subcmd, (uintptr_t)args); 8327facf4a8dSllai if (error) { 8328facf4a8dSllai vprint(INFO_MID, "modctl(MODDEVNAME, " 8329facf4a8dSllai "MODDEVNAME_LOOKUPDOOR) failed - %s\n", 8330facf4a8dSllai strerror(errno)); 8331facf4a8dSllai } 8332facf4a8dSllai break; 8333facf4a8dSllai default: 8334facf4a8dSllai error = EINVAL; 8335facf4a8dSllai break; 8336facf4a8dSllai } 8337facf4a8dSllai return (error); 8338facf4a8dSllai } 8339facf4a8dSllai 8340facf4a8dSllai static void 8341facf4a8dSllai devname_setup_nsmaps(void) 8342facf4a8dSllai { 8343facf4a8dSllai int error = 0; 8344facf4a8dSllai 8345facf4a8dSllai if (devname_first_call) { 8346facf4a8dSllai devname_first_call = 0; 8347facf4a8dSllai } 8348facf4a8dSllai 8349facf4a8dSllai error = di_devname_get_mapinfo(DEVNAME_MASTER_MAP, &devname_maps); 8350facf4a8dSllai 8351facf4a8dSllai if (error) { 83520bfaec69Sllai vprint(DEVNAME_MID, "devname_setup_nsmaps: non-existing/empty" 83530bfaec69Sllai "%s\n", DEVNAME_MASTER_MAP); 8354facf4a8dSllai } else { 8355facf4a8dSllai di_devname_print_mapinfo(devname_maps); 83560bfaec69Sllai 8357facf4a8dSllai /* pass down the existing map names to kernel */ 8358facf4a8dSllai (void) devname_kcall(MODDEVNAME_NSMAPS, (void *)devname_maps); 8359facf4a8dSllai } 8360facf4a8dSllai } 8361facf4a8dSllai 8362facf4a8dSllai static void 8363facf4a8dSllai devname_ns_services(uint8_t cmd, char *key, char *map) 8364facf4a8dSllai { 8365facf4a8dSllai nvlist_t *nvl = NULL; 8366facf4a8dSllai int32_t error = 0; 8367facf4a8dSllai sdev_door_res_t res; 8368facf4a8dSllai 8369facf4a8dSllai vprint(DEVNAME_MID, "devname_ns_services: cmd %d key %s map %s\n", 8370facf4a8dSllai cmd, key, map); 8371facf4a8dSllai 8372facf4a8dSllai switch (cmd) { 8373facf4a8dSllai case DEVFSADMD_NS_LOOKUP: 8374facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_get_mapent\n"); 8375facf4a8dSllai error = di_devname_get_mapent(key, map, &nvl); 8376facf4a8dSllai if (nvl == NULL) { 8377facf4a8dSllai error = DEVFSADM_NS_FAILED; 8378facf4a8dSllai goto done; 8379facf4a8dSllai } 8380facf4a8dSllai 8381facf4a8dSllai if (error) { 8382facf4a8dSllai nvlist_free(nvl); 8383facf4a8dSllai goto done; 8384facf4a8dSllai } 8385facf4a8dSllai 8386facf4a8dSllai if (devname_debug_msg) 8387facf4a8dSllai di_devname_print_mapinfo(nvl); 8388facf4a8dSllai 8389facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_action_on_key for %d\n", 8390facf4a8dSllai cmd); 8391facf4a8dSllai error = di_devname_action_on_key(nvl, cmd, key, (void *)&res); 8392facf4a8dSllai nvlist_free(nvl); 8393facf4a8dSllai break; 8394facf4a8dSllai case DEVFSADMD_NS_READDIR: 8395facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_get_mapinfo for cmd %d" 8396facf4a8dSllai "\n", cmd); 8397facf4a8dSllai error = di_devname_get_mapinfo(map, &nvl); 8398facf4a8dSllai if (nvl == NULL) { 8399facf4a8dSllai error = DEVFSADM_NS_FAILED; 8400facf4a8dSllai goto done; 8401facf4a8dSllai } 8402facf4a8dSllai 8403facf4a8dSllai if (error) { 8404facf4a8dSllai nvlist_free(nvl); 8405facf4a8dSllai goto done; 8406facf4a8dSllai } 8407facf4a8dSllai 8408facf4a8dSllai if (devname_debug_msg) 8409facf4a8dSllai di_devname_print_mapinfo(nvl); 8410facf4a8dSllai 8411facf4a8dSllai vprint(DEVNAME_MID, "calling di_devname_action_on_key\n"); 8412facf4a8dSllai error = di_devname_action_on_key(nvl, cmd, key, (void *)&res); 8413facf4a8dSllai nvlist_free(nvl); 8414facf4a8dSllai break; 8415facf4a8dSllai default: 8416facf4a8dSllai error = DEVFSADM_RUN_NOTSUP; 8417facf4a8dSllai break; 8418facf4a8dSllai } 8419facf4a8dSllai 8420facf4a8dSllai done: 8421facf4a8dSllai vprint(DEVNAME_MID, "error %d\n", error); 8422facf4a8dSllai res.devfsadm_error = error; 8423facf4a8dSllai (void) door_return((char *)&res, sizeof (struct sdev_door_res), 8424facf4a8dSllai NULL, 0); 8425facf4a8dSllai } 8426facf4a8dSllai 8427facf4a8dSllai /* ARGSUSED */ 8428facf4a8dSllai static void 8429facf4a8dSllai devname_lookup_handler(void *cookie, char *argp, size_t arg_size, 8430facf4a8dSllai door_desc_t *dp, uint_t n_desc) 8431facf4a8dSllai { 8432facf4a8dSllai int32_t error = 0; 8433facf4a8dSllai door_cred_t dcred; 8434facf4a8dSllai struct dca_impl dci; 8435facf4a8dSllai uint8_t cmd; 8436facf4a8dSllai char *ns_map, *ns_name; 8437facf4a8dSllai sdev_door_res_t res; 8438facf4a8dSllai sdev_door_arg_t *args; 8439facf4a8dSllai 8440facf4a8dSllai if (argp == NULL || arg_size == 0) { 8441facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: argp wrong\n"); 8442facf4a8dSllai error = DEVFSADM_RUN_INVALID; 8443facf4a8dSllai goto done; 8444facf4a8dSllai } 8445facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler\n"); 8446facf4a8dSllai 8447facf4a8dSllai if (door_cred(&dcred) != 0 || dcred.dc_euid != 0) { 8448facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: cred wrong\n"); 8449facf4a8dSllai error = DEVFSADM_RUN_EPERM; 8450facf4a8dSllai goto done; 8451facf4a8dSllai } 8452facf4a8dSllai 8453facf4a8dSllai args = (sdev_door_arg_t *)argp; 8454facf4a8dSllai cmd = args->devfsadm_cmd; 8455facf4a8dSllai 8456facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: cmd %d\n", cmd); 8457facf4a8dSllai switch (cmd) { 8458facf4a8dSllai case DEVFSADMD_NS_LOOKUP: 8459facf4a8dSllai case DEVFSADMD_NS_READDIR: 8460facf4a8dSllai ns_name = s_strdup(args->ns_hdl.ns_name); 8461facf4a8dSllai ns_map = s_strdup(args->ns_hdl.ns_map); 8462facf4a8dSllai 8463facf4a8dSllai vprint(DEVNAME_MID, " ns_name %s ns_map %s\n", ns_name, ns_map); 8464facf4a8dSllai if (ns_name == NULL || ns_map == NULL) { 8465facf4a8dSllai error = DEVFSADM_RUN_INVALID; 8466facf4a8dSllai goto done; 8467facf4a8dSllai } 8468facf4a8dSllai 8469facf4a8dSllai devname_ns_services(cmd, ns_name, ns_map); 8470facf4a8dSllai return; 8471facf4a8dSllai case DEVFSADMD_RUN_ALL: 8472facf4a8dSllai /* 8473facf4a8dSllai * run "devfsadm" 8474facf4a8dSllai */ 8475facf4a8dSllai dci.dci_root = "/"; 8476facf4a8dSllai dci.dci_minor = NULL; 8477facf4a8dSllai dci.dci_driver = NULL; 8478facf4a8dSllai dci.dci_error = 0; 8479facf4a8dSllai dci.dci_flags = 0; 8480facf4a8dSllai dci.dci_arg = NULL; 8481facf4a8dSllai 8482facf4a8dSllai lock_dev(); 8483facf4a8dSllai update_drvconf((major_t)-1); 8484facf4a8dSllai dci.dci_flags |= DCA_FLUSH_PATHINST; 8485facf4a8dSllai 8486facf4a8dSllai pre_and_post_cleanup(RM_PRE); 8487facf4a8dSllai devi_tree_walk(&dci, DINFOFORCE|DI_CACHE_SNAPSHOT_FLAGS, NULL); 8488facf4a8dSllai error = (int32_t)dci.dci_error; 8489facf4a8dSllai if (!error) { 8490facf4a8dSllai pre_and_post_cleanup(RM_POST); 8491facf4a8dSllai update_database = TRUE; 8492facf4a8dSllai unlock_dev(SYNC_STATE); 8493facf4a8dSllai update_database = FALSE; 8494facf4a8dSllai } else { 8495facf4a8dSllai if (DEVFSADM_DEBUG_ON) { 8496facf4a8dSllai vprint(INFO_MID, "devname_lookup_handler: " 8497facf4a8dSllai "DEVFSADMD_RUN_ALL failed\n"); 8498facf4a8dSllai } 8499facf4a8dSllai 8500facf4a8dSllai unlock_dev(SYNC_STATE); 8501facf4a8dSllai } 8502facf4a8dSllai break; 8503facf4a8dSllai default: 8504facf4a8dSllai /* log an error here? */ 8505facf4a8dSllai error = DEVFSADM_RUN_NOTSUP; 8506facf4a8dSllai break; 8507facf4a8dSllai } 8508facf4a8dSllai 8509facf4a8dSllai done: 8510facf4a8dSllai vprint(DEVNAME_MID, "devname_lookup_handler: error %d\n", error); 8511facf4a8dSllai res.devfsadm_error = error; 8512facf4a8dSllai (void) door_return((char *)&res, sizeof (struct sdev_door_res), 8513facf4a8dSllai NULL, 0); 8514facf4a8dSllai } 8515