/* * Copyright (c) 1997-1999 Erez Zadok * Copyright (c) 1990 Jan-Simon Pendry * Copyright (c) 1990 Imperial College of Science, Technology & Medicine * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Jan-Simon Pendry at Imperial College, London. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgment: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * %W% (Berkeley) %G% * * $Id: conf.c,v 1.5 1999/09/30 21:01:30 ezk Exp $ * */ /* * Functions to handle the configuration file. */ #ifdef HAVE_CONFIG_H # include #endif /* HAVE_CONFIG_H */ #include #include /* * MACROS: */ /* Turn on to show some info about maps being configured */ /* #define DEBUG_CONF */ /* * TYPEDEFS: */ typedef int (*OptFuncPtr)(const char *); /* * STRUCTURES: */ struct _func_map { char *name; OptFuncPtr func; }; /* * FORWARD DECLARATIONS: */ static int gopt_arch(const char *val); static int gopt_auto_dir(const char *val); static int gopt_browsable_dirs(const char *val); static int gopt_cache_duration(const char *val); static int gopt_cluster(const char *val); static int gopt_debug_options(const char *val); static int gopt_dismount_interval(const char *val); static int gopt_full_os(const char *val); static int gopt_fully_qualified_hosts(const char *val); static int gopt_hesiod_base(const char *val); static int gopt_karch(const char *val); static int gopt_ldap_base(const char *val); static int gopt_ldap_cache_maxmem(const char *val); static int gopt_ldap_cache_seconds(const char *val); static int gopt_ldap_hostports(const char *val); static int gopt_local_domain(const char *val); static int gopt_log_file(const char *val); static int gopt_log_options(const char *val); static int gopt_map_options(const char *val); static int gopt_map_type(const char *val); static int gopt_mount_type(const char *val); static int gopt_pid_file(const char *val); static int gopt_portmap_program(const char *val); static int gopt_nfs_retransmit_counter(const char *val); static int gopt_nfs_retry_interval(const char *val); static int gopt_nis_domain(const char *val); static int gopt_normalize_hostnames(const char *val); static int gopt_os(const char *val); static int gopt_osver(const char *val); static int gopt_plock(const char *val); static int gopt_print_pid(const char *val); static int gopt_print_version(const char *val); static int gopt_restart_mounts(const char *val); static int gopt_search_path(const char *val); static int gopt_selectors_on_default(const char *val); static int gopt_show_statfs_entries(const char *val); static int gopt_unmount_on_exit(const char *val); static int gopt_vendor(const char *val); static int process_global_option(const char *key, const char *val); static int process_regular_map(cf_map_t *cfm); static int process_regular_option(const char *section, const char *key, const char *val, cf_map_t *cfm); static int ropt_browsable_dirs(const char *val, cf_map_t *cfm); static int ropt_map_name(const char *val, cf_map_t *cfm); static int ropt_map_options(const char *val, cf_map_t *cfm); static int ropt_map_type(const char *val, cf_map_t *cfm); static int ropt_mount_type(const char *val, cf_map_t *cfm); static int ropt_search_path(const char *val, cf_map_t *cfm); static int ropt_tag(const char *val, cf_map_t *cfm); static void reset_cf_map(cf_map_t *cfm); /* * STATIC VARIABLES: */ static cf_map_t cur_map; static struct _func_map glob_functable[] = { {"arch", gopt_arch}, {"auto_dir", gopt_auto_dir}, {"browsable_dirs", gopt_browsable_dirs}, {"cache_duration", gopt_cache_duration}, {"cluster", gopt_cluster}, {"debug_options", gopt_debug_options}, {"dismount_interval", gopt_dismount_interval}, {"fully_qualified_hosts", gopt_fully_qualified_hosts}, {"full_os", gopt_full_os}, {"hesiod_base", gopt_hesiod_base}, {"karch", gopt_karch}, {"ldap_base", gopt_ldap_base}, {"ldap_cache_maxmem", gopt_ldap_cache_maxmem}, {"ldap_cache_seconds", gopt_ldap_cache_seconds}, {"ldap_hostports", gopt_ldap_hostports}, {"local_domain", gopt_local_domain}, {"log_file", gopt_log_file}, {"log_options", gopt_log_options}, {"map_options", gopt_map_options}, {"map_type", gopt_map_type}, {"mount_type", gopt_mount_type}, {"pid_file", gopt_pid_file}, {"portmap_program", gopt_portmap_program}, {"nfs_retransmit_counter", gopt_nfs_retransmit_counter}, {"nfs_retry_interval", gopt_nfs_retry_interval}, {"nis_domain", gopt_nis_domain}, {"normalize_hostnames", gopt_normalize_hostnames}, {"os", gopt_os}, {"osver", gopt_osver}, {"plock", gopt_plock}, {"print_pid", gopt_print_pid}, {"print_version", gopt_print_version}, {"restart_mounts", gopt_restart_mounts}, {"search_path", gopt_search_path}, {"selectors_on_default", gopt_selectors_on_default}, {"show_statfs_entries", gopt_show_statfs_entries}, {"unmount_on_exit", gopt_unmount_on_exit}, {"vendor", gopt_vendor}, {NULL, NULL} }; /* * Reset a map. */ static void reset_cf_map(cf_map_t *cfm) { if (!cfm) return; if (cfm->cfm_dir) { XFREE(cfm->cfm_dir); cfm->cfm_dir = NULL; } if (cfm->cfm_name) { XFREE(cfm->cfm_name); cfm->cfm_name = NULL; } if (cfm->cfm_tag) { XFREE(cfm->cfm_tag); cfm->cfm_tag = NULL; } /* * reset/initialize a regular map's flags and other variables from the * global ones, so that they are applied to all maps. Of course, each map * can then override the flags individually. * * NOTES: * (1): Will only work for maps that appear after [global]. * (2): Also be careful not to free() a global option. * (3): I'm doing direct char* pointer comparison, and not strcmp(). This * is correct! */ /* initialize map_type from [global] */ if (cfm->cfm_type && cfm->cfm_type != gopt.map_type) XFREE(cfm->cfm_type); cfm->cfm_type = gopt.map_type; /* initialize map_opts from [global] */ if (cfm->cfm_opts && cfm->cfm_opts != gopt.map_options) XFREE(cfm->cfm_opts); cfm->cfm_opts = gopt.map_options; /* initialize search_path from [global] */ if (cfm->cfm_search_path && cfm->cfm_search_path != gopt.search_path) XFREE(cfm->cfm_search_path); cfm->cfm_search_path = gopt.search_path; /* * Initialize flags that are common both to [global] and a local map. */ cfm->cfm_flags = gopt.flags & (CFM_BROWSABLE_DIRS | CFM_BROWSABLE_DIRS_FULL | CFM_MOUNT_TYPE_AUTOFS | CFM_ENABLE_DEFAULT_SELECTORS); } /* * Process configuration file options. * Return 0 if OK, 1 otherwise. */ int set_conf_kv(const char *section, const char *key, const char *val) { int ret; #ifdef DEBUG_CONF fprintf(stderr,"set_conf_kv: section=%s, key=%s, val=%s\n", section, key, val); #endif /* DEBUG_CONF */ /* * If global section, process them one at a time. */ if (STREQ(section, "global")) { /* * Check if a regular map was configured before "global", * and process it as needed. */ if (cur_map.cfm_dir) { fprintf(stderr,"processing regular map \"%s\" before global one.\n", section); ret = process_regular_map(&cur_map); /* will reset map */ if (ret != 0) return ret; } /* process the global option first */ ret = process_global_option(key, val); /* reset default options for regular maps from just updated globals */ if (ret == 0) reset_cf_map(&cur_map); /* return status from the processing of the global option */ return ret; } /* * otherwise save options and process a single map all at once. */ /* check if we found a new map, so process one already collected */ if (cur_map.cfm_dir && !STREQ(cur_map.cfm_dir, section)) { ret = process_regular_map(&cur_map); /* will reset map */ if (ret != 0) return ret; } /* now process a single entry of a regular map */ return process_regular_option(section, key, val, &cur_map); } /* * Process global section of configuration file options. * Return 0 upon success, 1 otherwise. */ static int process_global_option(const char *key, const char *val) { struct _func_map *gfp; /* ensure that val is valid */ if (!val || val[0] == '\0') return 1; /* * search for global function. */ for (gfp = glob_functable; gfp->name; gfp++) if (FSTREQ(gfp->name, key)) return (gfp->func)(val); fprintf(stderr, "conf: unknown global key: \"%s\"\n", key); return 1; /* failed to match any command */ } static int gopt_arch(const char *val) { gopt.arch = strdup((char *)val); return 0; } static int gopt_auto_dir(const char *val) { gopt.auto_dir = strdup((char *)val); return 0; } static int gopt_browsable_dirs(const char *val) { if (STREQ(val, "full")) { gopt.flags |= CFM_BROWSABLE_DIRS_FULL; return 0; } else if (STREQ(val, "yes")) { gopt.flags |= CFM_BROWSABLE_DIRS; return 0; } else if (STREQ(val, "no")) { gopt.flags &= ~CFM_BROWSABLE_DIRS; return 0; } fprintf(stderr, "conf: unknown value to browsable_dirs \"%s\"\n", val); return 1; /* unknown value */ } static int gopt_cache_duration(const char *val) { gopt.am_timeo = atoi(val); if (gopt.am_timeo <= 0) gopt.am_timeo = AM_TTL; return 0; } static int gopt_cluster(const char *val) { gopt.cluster = strdup((char *)val); return 0; } static int gopt_debug_options(const char *val) { #ifdef DEBUG usage += debug_option(strdup((char *)val)); return 0; #else /* not DEBUG */ fprintf(stderr, "%s: not compiled with DEBUG option -- sorry.\n", am_get_progname()); return 1; #endif /* not DEBUG */ } static int gopt_dismount_interval(const char *val) { gopt.am_timeo_w = atoi(val); if (gopt.am_timeo_w <= 0) gopt.am_timeo_w = AM_TTL_W; return 0; } static int gopt_full_os(const char *val) { gopt.op_sys_full = strdup((char *)val); return 0; } static int gopt_fully_qualified_hosts(const char *val) { if (STREQ(val, "yes")) { gopt.flags |= CFM_FULLY_QUALIFIED_HOSTS; return 0; } else if (STREQ(val, "no")) { gopt.flags &= ~CFM_FULLY_QUALIFIED_HOSTS; return 0; } fprintf(stderr, "conf: unknown value to fully_qualified_hosts \"%s\"\n", val); return 1; /* unknown value */ } static int gopt_hesiod_base(const char *val) { #ifdef HAVE_MAP_HESIOD gopt.hesiod_base = strdup((char *)val); return 0; #else /* not HAVE_MAP_HESIOD */ fprintf(stderr, "conf: hesiod_base option ignored. No Hesiod support available.\n"); return 1; #endif /* not HAVE_MAP_HESIOD */ } static int gopt_karch(const char *val) { gopt.karch = strdup((char *)val); return 0; } static int gopt_pid_file(const char *val) { gopt.pid_file = strdup((char *)val); return 0; } static int gopt_local_domain(const char *val) { gopt.sub_domain = strdup((char *)val); return 0; } static int gopt_ldap_base(const char *val) { #ifdef HAVE_MAP_LDAP gopt.ldap_base = strdup((char *)val); return 0; #else /* not HAVE_MAP_LDAP */ fprintf(stderr, "conf: ldap_base option ignored. No LDAP support available.\n"); return 1; #endif /* not HAVE_MAP_LDAP */ } static int gopt_ldap_cache_seconds(const char *val) { #ifdef HAVE_MAP_LDAP char *end; gopt.ldap_cache_seconds = strtol((char *)val, &end, 10); if (end == val) { fprintf(stderr, "conf: bad LDAP cache (seconds) option: %s\n",val); return 1; } return 0; #else /* not HAVE_MAP_LDAP */ fprintf(stderr, "conf: ldap_cache option ignored. No LDAP support available.\n"); return 1; #endif /* not HAVE_MAP_LDAP */ } static int gopt_ldap_cache_maxmem(const char *val) { #ifdef HAVE_MAP_LDAP char *end; gopt.ldap_cache_maxmem = strtol((char *)val, &end, 10); if (end == val) { fprintf(stderr, "conf: bad LDAP cache (maxmem) option: %s\n",val); return 1; } return 0; #else /* not HAVE_MAP_LDAP */ fprintf(stderr, "conf: ldap_cache option ignored. No LDAP support available.\n"); return 1; #endif /* not HAVE_MAP_LDAP */ } static int gopt_ldap_hostports(const char *val) { #ifdef HAVE_MAP_LDAP gopt.ldap_hostports = strdup((char *)val); return 0; #else /* not HAVE_MAP_LDAP */ fprintf(stderr, "conf: ldap_hostports option ignored. No LDAP support available.\n"); return 1; #endif /* not HAVE_MAP_LDAP */ } static int gopt_log_file(const char *val) { gopt.logfile = strdup((char *)val); return 0; } static int gopt_log_options(const char *val) { usage += switch_option(strdup((char *)val)); return 0; } static int gopt_map_options(const char *val) { gopt.map_options = strdup((char *)val); return 0; } static int gopt_map_type(const char *val) { /* check if map type exist */ if (!mapc_type_exists(val)) { fprintf(stderr, "conf: no such map type \"%s\"\n", val); return 1; } gopt.map_type = strdup((char *)val); return 0; } static int gopt_mount_type(const char *val) { if (STREQ(val, "autofs")) { #ifdef HAVE_FS_AUTOFS gopt.flags |= CFM_MOUNT_TYPE_AUTOFS; amd_use_autofs++; return 0; #else /* not HAVE_FS_AUTOFS */ fprintf(stderr, "conf: no autofs support available\n"); return 1; #endif /* not HAVE_FS_AUTOFS */ } else if (STREQ(val, "nfs")) { gopt.flags &= ~CFM_MOUNT_TYPE_AUTOFS; return 0; } fprintf(stderr, "conf: unknown value to mount_type \"%s\"\n", val); return 1; /* unknown value */ } static int gopt_portmap_program(const char *val) { gopt.portmap_program = atoi(val); /* * allow alternate program numbers to be no more than 10 offset from * official amd program number (300019). */ if (gopt.portmap_program < AMQ_PROGRAM || gopt.portmap_program > AMQ_PROGRAM + 10) { gopt.portmap_program = AMQ_PROGRAM; set_amd_program_number(gopt.portmap_program); fprintf(stderr, "conf: illegal amd program numver \"%s\"\n", val); return 1; } set_amd_program_number(gopt.portmap_program); return 0; /* all is OK */ } static int gopt_nfs_retransmit_counter(const char *val) { gopt.amfs_auto_retrans = atoi(val); return 0; } static int gopt_nfs_retry_interval(const char *val) { gopt.amfs_auto_timeo = atoi(val); return 0; } static int gopt_nis_domain(const char *val) { #ifdef HAVE_MAP_NIS gopt.nis_domain = strdup((char *)val); return 0; #else /* not HAVE_MAP_NIS */ fprintf(stderr, "conf: nis_domain option ignored. No NIS support available.\n"); return 1; #endif /* not HAVE_MAP_NIS */ } static int gopt_normalize_hostnames(const char *val) { if (STREQ(val, "yes")) { gopt.flags |= CFM_NORMALIZE_HOSTNAMES; return 0; } else if (STREQ(val, "no")) { gopt.flags &= ~CFM_NORMALIZE_HOSTNAMES; return 0; } fprintf(stderr, "conf: unknown value to normalize_hostnames \"%s\"\n", val); return 1; /* unknown value */ } static int gopt_os(const char *val) { gopt.op_sys = strdup((char *)val); return 0; } static int gopt_osver(const char *val) { gopt.op_sys_ver = strdup((char *)val); return 0; } static int gopt_plock(const char *val) { if (STREQ(val, "yes")) { gopt.flags |= CFM_PROCESS_LOCK; return 0; } else if (STREQ(val, "no")) { gopt.flags &= ~CFM_PROCESS_LOCK; return 0; } fprintf(stderr, "conf: unknown value to plock \"%s\"\n", val); return 1; /* unknown value */ } static int gopt_print_pid(const char *val) { if (STREQ(val, "yes")) { gopt.flags |= CFM_PRINT_PID; return 0; } else if (STREQ(val, "no")) { gopt.flags &= ~CFM_PRINT_PID; return 0; } fprintf(stderr, "conf: unknown value to print_pid \"%s\"\n", val); return 1; /* unknown value */ } static int gopt_print_version(const char *val) { if (STREQ(val, "yes")) { fputs(get_version_string(), stderr); return 0; } else if (STREQ(val, "no")) { return 0; } fprintf(stderr, "conf: unknown value to print_version \"%s\"\n", val); return 1; /* unknown value */ } static int gopt_restart_mounts(const char *val) { if (STREQ(val, "yes")) { gopt.flags |= CFM_RESTART_EXISTING_MOUNTS; return 0; } else if (STREQ(val, "no")) { gopt.flags &= ~CFM_RESTART_EXISTING_MOUNTS; return 0; } fprintf(stderr, "conf: unknown value to restart_mounts \"%s\"\n", val); return 1; /* unknown value */ } static int gopt_search_path(const char *val) { gopt.search_path = strdup((char *)val); return 0; } static int gopt_selectors_on_default(const char *val) { if (STREQ(val, "yes")) { gopt.flags |= CFM_ENABLE_DEFAULT_SELECTORS; return 0; } else if (STREQ(val, "no")) { gopt.flags &= ~CFM_ENABLE_DEFAULT_SELECTORS; return 0; } fprintf(stderr, "conf: unknown value to enable_default_selectors \"%s\"\n", val); return 1; /* unknown value */ } static int gopt_show_statfs_entries(const char *val) { if (STREQ(val, "yes")) { gopt.flags |= CFM_SHOW_STATFS_ENTRIES; return 0; } else if (STREQ(val, "no")) { gopt.flags &= ~CFM_SHOW_STATFS_ENTRIES; return 0; } fprintf(stderr, "conf: unknown value to show_statfs_entries \"%s\"\n", val); return 1; /* unknown value */ } static int gopt_unmount_on_exit(const char *val) { if (STREQ(val, "yes")) { gopt.flags |= CFM_UNMOUNT_ON_EXIT; return 0; } else if (STREQ(val, "no")) { gopt.flags &= ~CFM_UNMOUNT_ON_EXIT; return 0; } fprintf(stderr, "conf: unknown value to unmount_on_exit \"%s\"\n", val); return 1; /* unknown value */ } static int gopt_vendor(const char *val) { gopt.op_sys_vendor = strdup((char *)val); return 0; } /* * Collect one entry for a regular map */ static int process_regular_option(const char *section, const char *key, const char *val, cf_map_t *cfm) { /* ensure that val is valid */ if (!section || section[0] == '\0' || !key || key[0] == '\0' || !val || val[0] == '\0' || !cfm) { fprintf(stderr, "conf: process_regular_option: null entries\n"); return 1; } /* check if initializing a new map */ if (!cfm->cfm_dir) cfm->cfm_dir = strdup((char *)section); /* check for each possible field */ if (STREQ(key, "browsable_dirs")) return ropt_browsable_dirs(val, cfm); if (STREQ(key, "map_name")) return ropt_map_name(val, cfm); if (STREQ(key, "map_options")) return ropt_map_options(val, cfm); if (STREQ(key, "map_type")) return ropt_map_type(val, cfm); if (STREQ(key, "mount_type")) return ropt_mount_type(val, cfm); if (STREQ(key, "search_path")) return ropt_search_path(val, cfm); if (STREQ(key, "tag")) return ropt_tag(val, cfm); fprintf(stderr, "conf: unknown regular key \"%s\" for section \"%s\"\n", key, section); return 1; /* failed to match any command */ } static int ropt_browsable_dirs(const char *val, cf_map_t *cfm) { if (STREQ(val, "full")) { cfm->cfm_flags |= CFM_BROWSABLE_DIRS_FULL; return 0; } else if (STREQ(val, "yes")) { cfm->cfm_flags |= CFM_BROWSABLE_DIRS; return 0; } else if (STREQ(val, "no")) { cfm->cfm_flags &= ~CFM_BROWSABLE_DIRS; return 0; } fprintf(stderr, "conf: unknown value to browsable_dirs \"%s\"\n", val); return 1; /* unknown value */ } static int ropt_map_name(const char *val, cf_map_t *cfm) { cfm->cfm_name = strdup((char *)val); return 0; } static int ropt_map_options(const char *val, cf_map_t *cfm) { cfm->cfm_opts = strdup((char *)val); return 0; } static int ropt_map_type(const char *val, cf_map_t *cfm) { /* check if map type exist */ if (!mapc_type_exists(val)) { fprintf(stderr, "conf: no such map type \"%s\"\n", val); return 1; } cfm->cfm_type = strdup((char *)val); return 0; } static int ropt_mount_type(const char *val, cf_map_t *cfm) { if (STREQ(val, "autofs")) { #ifdef HAVE_FS_AUTOFS cfm->cfm_flags |= CFM_MOUNT_TYPE_AUTOFS; amd_use_autofs++; return 0; #else /* not HAVE_FS_AUTOFS */ fprintf(stderr, "conf: no autofs support available\n"); return 1; #endif /* not HAVE_FS_AUTOFS */ } else if (STREQ(val, "nfs")) { cfm->cfm_flags &= ~CFM_MOUNT_TYPE_AUTOFS; return 0; } fprintf(stderr, "conf: unknown value to mount_type \"%s\"\n", val); return 1; /* unknown value */ } static int ropt_search_path(const char *val, cf_map_t *cfm) { cfm->cfm_search_path = strdup((char *)val); return 0; } static int ropt_tag(const char *val, cf_map_t *cfm) { cfm->cfm_tag = strdup((char *)val); return 0; } /* * Process one collected map. */ static int process_regular_map(cf_map_t *cfm) { if (!cfm->cfm_name) { fprintf(stderr, "conf: map_name must be defined for map \"%s\"\n", cfm->cfm_dir); return 1; } /* * If map has no tag defined, process the map. * If no conf_tag was set in amd -T, process all untagged entries. * If a tag is defined, then process it only if it matches the map tag. */ if (!cfm->cfm_tag || (conf_tag && STREQ(cfm->cfm_tag, conf_tag))) { #ifdef DEBUG_CONF fprintf(stderr, "processing map %s (flags=0x%x)...\n", cfm->cfm_dir, cfm->cfm_flags); #endif /* DEBUG_CONF */ root_newmap(cfm->cfm_dir, cfm->cfm_opts ? cfm->cfm_opts : "", cfm->cfm_name, cfm); } else { fprintf(stderr, "skipping map %s...\n", cfm->cfm_dir); } reset_cf_map(cfm); return 0; } /* * Process last map in conf file (if any) */ int process_last_regular_map(void) { /* * If the amd.conf file only has a [global] section (pretty useless * IMHO), do not try to process a map that does not exist. */ if (!cur_map.cfm_dir) return 0; return process_regular_map(&cur_map); }