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 2008 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 { 48 int rc = 0; 49 50 if (rwlock_init(&_idmapdstate.rwlk_cfg, USYNC_THREAD, NULL) != 0) 51 return (-1); 52 if ((rc = load_config()) < 0) 53 return (rc); 54 55 (void) setegid(DAEMON_GID); 56 (void) seteuid(DAEMON_UID); 57 if (init_dbs() < 0) { 58 rc = -1; 59 fini_mapping_system(); 60 } 61 (void) seteuid(0); 62 (void) setegid(0); 63 64 return (rc); 65 } 66 67 void 68 fini_mapping_system() 69 { 70 fini_dbs(); 71 } 72 73 int 74 load_config() 75 { 76 int rc; 77 idmap_pg_config_t *pgcfg; 78 if ((_idmapdstate.cfg = idmap_cfg_init()) == NULL) { 79 degrade_svc("failed to initialize config"); 80 return (-1); 81 } 82 pgcfg = &_idmapdstate.cfg->pgcfg; 83 84 rc = idmap_cfg_load(&_idmapdstate.cfg->handles, 85 &_idmapdstate.cfg->pgcfg, 0); 86 if (rc < -1) { 87 /* Total failure */ 88 degrade_svc("fatal error while loading configuration"); 89 return (rc); 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 "global catalog server is not configured; AD lookup " 101 "will fail until one or more global catalog server names " 102 "are configured or discovered; auto-discovery will begin " 103 "shortly"); 104 } else { 105 restore_svc(); 106 } 107 108 (void) reload_ad(); 109 110 if ((rc = idmap_cfg_start_updates()) < 0) { 111 /* Total failure */ 112 degrade_svc("could not start config updater"); 113 return (rc); 114 } 115 116 idmapdlog(LOG_DEBUG, "%s: Initial configuration loaded", me); 117 118 return (0); 119 } 120 121 122 int 123 reload_ad() 124 { 125 int i; 126 ad_t *old; 127 ad_t *new; 128 129 idmap_pg_config_t *pgcfg = &_idmapdstate.cfg->pgcfg; 130 131 if (pgcfg->default_domain == NULL || 132 pgcfg->global_catalog == NULL) { 133 if (_idmapdstate.ad == NULL) 134 idmapdlog(LOG_ERR, "%s: AD lookup disabled", me); 135 else 136 idmapdlog(LOG_ERR, "%s: cannot update AD context", me); 137 return (-1); 138 } 139 140 old = _idmapdstate.ad; 141 142 if (idmap_ad_alloc(&new, pgcfg->default_domain, 143 IDMAP_AD_GLOBAL_CATALOG) != 0) { 144 degrade_svc("could not initialize AD context"); 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 degrade_svc("could not initialize AD GC context"); 154 return (-1); 155 } 156 } 157 158 _idmapdstate.ad = new; 159 160 if (old != NULL) 161 idmap_ad_free(&old); 162 163 return (0); 164 } 165 166 167 void 168 print_idmapdstate() 169 { 170 int i; 171 idmap_pg_config_t *pgcfg; 172 173 RDLOCK_CONFIG(); 174 175 if (_idmapdstate.cfg == NULL) { 176 idmapdlog(LOG_INFO, "%s: Null configuration", me); 177 UNLOCK_CONFIG(); 178 return; 179 } 180 181 pgcfg = &_idmapdstate.cfg->pgcfg; 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 idmapdlog(LOG_DEBUG, "%s: ds_name_mapping_enabled=%s", me, 215 (pgcfg->ds_name_mapping_enabled == TRUE) ? "true" : "false"); 216 idmapdlog(LOG_DEBUG, "%s: ad_unixuser_attr=%s", me, 217 CHECK_NULL(pgcfg->ad_unixuser_attr)); 218 idmapdlog(LOG_DEBUG, "%s: ad_unixgroup_attr=%s", me, 219 CHECK_NULL(pgcfg->ad_unixgroup_attr)); 220 idmapdlog(LOG_DEBUG, "%s: nldap_winname_attr=%s", me, 221 CHECK_NULL(pgcfg->nldap_winname_attr)); 222 223 UNLOCK_CONFIG(); 224 } 225 226 int 227 create_directory(const char *path, uid_t uid, gid_t gid) 228 { 229 int rc; 230 231 if ((rc = mkdir(path, 0700)) < 0 && errno != EEXIST) { 232 idmapdlog(LOG_ERR, 233 "%s: Error creating directory %s (%s)", 234 me, path, strerror(errno)); 235 return (-1); 236 } 237 238 if (lchown(path, uid, gid) < 0) { 239 idmapdlog(LOG_ERR, 240 "%s: Error creating directory %s (%s)", 241 me, path, strerror(errno)); 242 if (rc == 0) 243 (void) rmdir(path); 244 return (-1); 245 } 246 return (0); 247 } 248