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 44 int 45 init_mapping_system() 46 { 47 int rc = 0; 48 49 if (rwlock_init(&_idmapdstate.rwlk_cfg, USYNC_THREAD, NULL) != 0) 50 return (-1); 51 if ((rc = load_config()) < 0) 52 return (rc); 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 { 69 fini_dbs(); 70 } 71 72 int 73 load_config() 74 { 75 int rc; 76 if ((_idmapdstate.cfg = idmap_cfg_init()) == NULL) { 77 degrade_svc(0, "failed to initialize config"); 78 return (-1); 79 } 80 81 rc = idmap_cfg_load(_idmapdstate.cfg, 0); 82 if (rc < -1) { 83 /* Total failure */ 84 degrade_svc(0, "fatal error while loading configuration"); 85 return (rc); 86 } 87 88 if (rc != 0) 89 /* Partial failure */ 90 idmapdlog(LOG_ERR, "Various errors occurred while loading " 91 "the configuration; check the logs"); 92 93 if ((rc = idmap_cfg_start_updates()) < 0) { 94 /* Total failure */ 95 degrade_svc(0, "could not start config updater"); 96 return (rc); 97 } 98 99 idmapdlog(LOG_DEBUG, "Initial configuration loaded"); 100 101 return (0); 102 } 103 104 105 void 106 reload_ad() 107 { 108 int i; 109 ad_t *old; 110 ad_t *new; 111 112 idmap_pg_config_t *pgcfg = &_idmapdstate.cfg->pgcfg; 113 114 if (pgcfg->global_catalog == NULL || 115 pgcfg->global_catalog[0].host[0] == '\0') { 116 /* 117 * No GCs. Continue to use the previous AD config in case 118 * that's still good but auto-discovery had a transient failure. 119 * If that stops working we'll go into degraded mode anyways 120 * when it does. 121 */ 122 degrade_svc(0, 123 "Global Catalog servers not configured/discoverable"); 124 return; 125 } 126 127 old = _idmapdstate.ad; 128 129 if (idmap_ad_alloc(&new, pgcfg->default_domain, 130 IDMAP_AD_GLOBAL_CATALOG) != 0) { 131 degrade_svc(0, "could not initialize AD context"); 132 return; 133 } 134 135 for (i = 0; pgcfg->global_catalog[i].host[0] != '\0'; i++) { 136 if (idmap_add_ds(new, 137 pgcfg->global_catalog[i].host, 138 pgcfg->global_catalog[i].port) != 0) { 139 idmap_ad_free(&new); 140 degrade_svc(0, "could not initialize AD GC context"); 141 return; 142 } 143 } 144 145 _idmapdstate.ad = new; 146 147 if (old != NULL) 148 idmap_ad_free(&old); 149 } 150 151 152 void 153 print_idmapdstate() 154 { 155 int i; 156 idmap_pg_config_t *pgcfg; 157 158 RDLOCK_CONFIG(); 159 160 if (_idmapdstate.cfg == NULL) { 161 idmapdlog(LOG_INFO, "Null configuration"); 162 UNLOCK_CONFIG(); 163 return; 164 } 165 166 pgcfg = &_idmapdstate.cfg->pgcfg; 167 168 idmapdlog(LOG_DEBUG, "list_size_limit=%llu", pgcfg->list_size_limit); 169 idmapdlog(LOG_DEBUG, "default_domain=%s", 170 CHECK_NULL(pgcfg->default_domain)); 171 idmapdlog(LOG_DEBUG, "domain_name=%s", CHECK_NULL(pgcfg->domain_name)); 172 idmapdlog(LOG_DEBUG, "machine_sid=%s", CHECK_NULL(pgcfg->machine_sid)); 173 if (pgcfg->domain_controller == NULL || 174 pgcfg->domain_controller[0].host[0] == '\0') { 175 idmapdlog(LOG_DEBUG, "No domain controllers known"); 176 } else { 177 for (i = 0; pgcfg->domain_controller[i].host[0] != '\0'; i++) 178 idmapdlog(LOG_DEBUG, "domain_controller=%s port=%d", 179 pgcfg->domain_controller[i].host, 180 pgcfg->domain_controller[i].port); 181 } 182 idmapdlog(LOG_DEBUG, "forest_name=%s", CHECK_NULL(pgcfg->forest_name)); 183 idmapdlog(LOG_DEBUG, "site_name=%s", CHECK_NULL(pgcfg->site_name)); 184 if (pgcfg->global_catalog == NULL || 185 pgcfg->global_catalog[0].host[0] == '\0') { 186 idmapdlog(LOG_DEBUG, "No global catalog servers known"); 187 } else { 188 for (i = 0; pgcfg->global_catalog[i].host[0] != '\0'; i++) 189 idmapdlog(LOG_DEBUG, "global_catalog=%s port=%d", 190 pgcfg->global_catalog[i].host, 191 pgcfg->global_catalog[i].port); 192 } 193 idmapdlog(LOG_DEBUG, "ds_name_mapping_enabled=%s", 194 (pgcfg->ds_name_mapping_enabled == TRUE) ? "true" : "false"); 195 idmapdlog(LOG_DEBUG, "ad_unixuser_attr=%s", 196 CHECK_NULL(pgcfg->ad_unixuser_attr)); 197 idmapdlog(LOG_DEBUG, "ad_unixgroup_attr=%s", 198 CHECK_NULL(pgcfg->ad_unixgroup_attr)); 199 idmapdlog(LOG_DEBUG, "nldap_winname_attr=%s", 200 CHECK_NULL(pgcfg->nldap_winname_attr)); 201 202 UNLOCK_CONFIG(); 203 } 204 205 int 206 create_directory(const char *path, uid_t uid, gid_t gid) 207 { 208 int rc; 209 210 if ((rc = mkdir(path, 0700)) < 0 && errno != EEXIST) { 211 idmapdlog(LOG_ERR, "Error creating directory %s (%s)", 212 path, strerror(errno)); 213 return (-1); 214 } 215 216 if (lchown(path, uid, gid) < 0) { 217 idmapdlog(LOG_ERR, "Error creating directory %s (%s)", 218 path, strerror(errno)); 219 if (rc == 0) 220 (void) rmdir(path); 221 return (-1); 222 } 223 return (0); 224 } 225