1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 /* 29 * Initialization routines 30 */ 31 32 #include "idmapd.h" 33 #include <signal.h> 34 #include <thread.h> 35 #include <string.h> 36 #include <errno.h> 37 #include <assert.h> 38 #include <unistd.h> 39 #include <sys/types.h> 40 #include <sys/stat.h> 41 #include <rpcsvc/daemon_utils.h> 42 43 static const char *me = "idmapd"; 44 45 int 46 init_mapping_system() { 47 int rc = 0; 48 49 if (rwlock_init(&_idmapdstate.rwlk_cfg, USYNC_THREAD, NULL) != 0) 50 return (-1); 51 if (load_config() < 0) 52 return (-1); 53 54 (void) setegid(DAEMON_GID); 55 (void) seteuid(DAEMON_UID); 56 if (init_dbs() < 0) { 57 rc = -1; 58 fini_mapping_system(); 59 } 60 (void) seteuid(0); 61 (void) setegid(0); 62 63 return (rc); 64 } 65 66 void 67 fini_mapping_system() { 68 fini_dbs(); 69 } 70 71 int 72 load_config() { 73 int rc; 74 idmap_pg_config_t *pgcfg; 75 if ((_idmapdstate.cfg = idmap_cfg_init()) == NULL) { 76 idmapdlog(LOG_ERR, "%s: failed to initialize config", me); 77 degrade_svc(); 78 return (-1); 79 } 80 pgcfg = &_idmapdstate.cfg->pgcfg; 81 82 rc = idmap_cfg_load(&_idmapdstate.cfg->handles, 83 &_idmapdstate.cfg->pgcfg, 0); 84 if (rc < -1) { 85 /* Total failure */ 86 degrade_svc(); 87 idmapdlog(LOG_ERR, "%s: Fatal error while loading " 88 "configuration", me); 89 return (-1); 90 } 91 92 if (rc != 0) 93 /* Partial failure */ 94 idmapdlog(LOG_ERR, "%s: Various errors occurred while loading " 95 "the configuration; check the logs", me); 96 97 if (pgcfg->global_catalog == NULL || 98 pgcfg->global_catalog[0].host[0] == '\0') { 99 degrade_svc(); 100 idmapdlog(LOG_INFO, 101 "%s: Global catalog server is not configured; AD lookup " 102 "will fail until one or more global catalog server names " 103 "are configured or discovered; auto-discovery will begin " 104 "shortly", me); 105 } else { 106 restore_svc(); 107 } 108 109 (void) reload_ad(); 110 111 if (idmap_cfg_start_updates(_idmapdstate.cfg) < 0) 112 idmapdlog(LOG_ERR, "%s: could not start config updater", 113 me); 114 115 idmapdlog(LOG_DEBUG, "%s: initial configuration loaded", me); 116 117 return (0); 118 } 119 120 121 int 122 reload_ad() { 123 int i; 124 ad_t *old; 125 ad_t *new; 126 127 idmap_pg_config_t *pgcfg = &_idmapdstate.cfg->pgcfg; 128 129 if (pgcfg->default_domain == NULL || 130 pgcfg->global_catalog == NULL) { 131 if (_idmapdstate.ad == NULL) 132 idmapdlog(LOG_ERR, "%s: AD lookup disabled", me); 133 else 134 idmapdlog(LOG_ERR, "%s: cannot update AD context", me); 135 return (-1); 136 } 137 138 old = _idmapdstate.ad; 139 140 if (idmap_ad_alloc(&new, pgcfg->default_domain, 141 IDMAP_AD_GLOBAL_CATALOG) != 0) { 142 if (old == NULL) 143 degrade_svc(); 144 idmapdlog(LOG_ERR, "%s: could not initialize AD context", me); 145 return (-1); 146 } 147 148 for (i = 0; pgcfg->global_catalog[i].host[0] != '\0'; i++) { 149 if (idmap_add_ds(new, 150 pgcfg->global_catalog[i].host, 151 pgcfg->global_catalog[i].port) != 0) { 152 idmap_ad_free(&new); 153 if (old == NULL) 154 degrade_svc(); 155 idmapdlog(LOG_ERR, 156 "%s: could not initialize AD DS context", me); 157 return (-1); 158 } 159 } 160 161 _idmapdstate.ad = new; 162 163 if (old != NULL) 164 idmap_ad_free(&old); 165 166 return (0); 167 } 168 169 170 void 171 print_idmapdstate() { 172 int i; 173 idmap_pg_config_t *pgcfg = &_idmapdstate.cfg->pgcfg; 174 175 RDLOCK_CONFIG(); 176 177 if (_idmapdstate.cfg == NULL) { 178 idmapdlog(LOG_INFO, "%s: Null configuration", me); 179 UNLOCK_CONFIG(); 180 return; 181 } 182 183 idmapdlog(LOG_DEBUG, "%s: list_size_limit=%llu", me, 184 pgcfg->list_size_limit); 185 idmapdlog(LOG_DEBUG, "%s: default_domain=%s", me, 186 CHECK_NULL(pgcfg->default_domain)); 187 idmapdlog(LOG_DEBUG, "%s: domain_name=%s", me, 188 CHECK_NULL(pgcfg->domain_name)); 189 idmapdlog(LOG_DEBUG, "%s: machine_sid=%s", me, 190 CHECK_NULL(pgcfg->machine_sid)); 191 if (pgcfg->domain_controller == NULL || 192 pgcfg->domain_controller[0].host[0] == '\0') { 193 idmapdlog(LOG_DEBUG, "%s: No domain controllers known", me); 194 } else { 195 for (i = 0; pgcfg->domain_controller[i].host[0] != '\0'; i++) 196 idmapdlog(LOG_DEBUG, "%s: domain_controller=%s port=%d", 197 me, pgcfg->domain_controller[i].host, 198 pgcfg->domain_controller[i].port); 199 } 200 idmapdlog(LOG_DEBUG, "%s: forest_name=%s", me, 201 CHECK_NULL(pgcfg->forest_name)); 202 idmapdlog(LOG_DEBUG, "%s: site_name=%s", me, 203 CHECK_NULL(pgcfg->site_name)); 204 if (pgcfg->global_catalog == NULL || 205 pgcfg->global_catalog[0].host[0] == '\0') { 206 idmapdlog(LOG_DEBUG, "%s: No global catalog servers known", me); 207 } else { 208 for (i = 0; pgcfg->global_catalog[i].host[0] != '\0'; i++) 209 idmapdlog(LOG_DEBUG, "%s: global_catalog=%s port=%d", 210 me, 211 pgcfg->global_catalog[i].host, 212 pgcfg->global_catalog[i].port); 213 } 214 215 UNLOCK_CONFIG(); 216 } 217 218 int 219 create_directory(const char *path, uid_t uid, gid_t gid) { 220 int rc; 221 222 if ((rc = mkdir(path, 0700)) < 0 && errno != EEXIST) { 223 idmapdlog(LOG_ERR, 224 "%s: Error creating directory %s (%s)", 225 me, path, strerror(errno)); 226 return (-1); 227 } 228 229 if (lchown(path, uid, gid) < 0) { 230 idmapdlog(LOG_ERR, 231 "%s: Error creating directory %s (%s)", 232 me, path, strerror(errno)); 233 if (rc == 0) 234 (void) rmdir(path); 235 return (-1); 236 } 237 return (0); 238 } 239