citadel/config.c

   1 /*
   2  * Read and write the citadel.config file
   3  *
   4  * Copyright (c) 1987-2017 by the citadel.org team
   5  *
   6  * This program is open source software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 3.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include "sysdep.h"
  16 #include <stdlib.h>
  17 #include <unistd.h>
  18 #include <stdio.h>
  19 #include <netdb.h>
  20 #include <sys/utsname.h>
  21 #include <libcitadel.h>
  22 #include <assert.h>
  23 #include "config.h"
  24 #include "ctdl_module.h"
  25
  26 long config_msgnum = 0;
  27 HashList *ctdlconfig = NULL;    // new configuration
  28
  29
  30 void config_warn_if_port_unset(char *key, int default_port)
  31 {
  32         int p = CtdlGetConfigInt(key);
  33         if ((p < -1) || (p == 0) || (p > UINT16_MAX))
  34         {
  35                 syslog(LOG_ERR, "config: setting %s is not -1 (disabled) or a valid TCP port - setting to default %d", key, default_port);
  36                 CtdlSetConfigInt(key, default_port);
  37         }
  38 }
  39
  40
  41 void config_warn_if_empty(char *key)
  42 {
  43         if (IsEmptyStr(CtdlGetConfigStr(key)))
  44         {
  45                 syslog(LOG_ERR, "config: setting %s is empty, but must not - check your config!", key);
  46         }
  47 }
  48
  49
  50 void validate_config(void) {
  51
  52         /*
  53          * these shouldn't be empty
  54          */
  55         config_warn_if_empty("c_fqdn");
  56         config_warn_if_empty("c_baseroom");
  57         config_warn_if_empty("c_aideroom");
  58         config_warn_if_empty("c_twitroom");
  59         config_warn_if_empty("c_nodename");
  60
  61         /*
  62          * Sanity check for port bindings
  63          */
  64         config_warn_if_port_unset("c_smtp_port",        25);
  65         config_warn_if_port_unset("c_pop3_port",        110);
  66         config_warn_if_port_unset("c_imap_port",        143);
  67         config_warn_if_port_unset("c_msa_port",         587);
  68         config_warn_if_port_unset("c_port_number",      504);
  69         config_warn_if_port_unset("c_smtps_port",       465);
  70         config_warn_if_port_unset("c_pop3s_port",       995);
  71         config_warn_if_port_unset("c_imaps_port",       993);
  72         config_warn_if_port_unset("c_pftcpdict_port",   -1);
  73         config_warn_if_port_unset("c_managesieve_port", 2020);
  74         config_warn_if_port_unset("c_xmpp_c2s_port",    5222);
  75         config_warn_if_port_unset("c_xmpp_s2s_port",    5269);
  76         config_warn_if_port_unset("c_nntp_port",        119);
  77         config_warn_if_port_unset("c_nntps_port",       563);
  78
  79         if (getpwuid(ctdluid) == NULL) {
  80                 syslog(LOG_ERR, "config: uid (%d) does not exist ... citserver will run as root", ctdluid);
  81         }
  82 }
  83
  84
  85 /*
  86  * Put some sane default values into our configuration.  Some will be overridden when we run setup.
  87  */
  88 void brand_new_installation_set_defaults(void) {
  89
  90         struct utsname my_utsname;
  91         struct hostent *he;
  92         char detected_hostname[256];
  93
  94         /* Determine our host name, in case we need to use it as a default */
  95         uname(&my_utsname);
  96
  97         /* set some sample/default values in place of blanks... */
  98         extract_token(detected_hostname, my_utsname.nodename, 0, '.', sizeof detected_hostname);
  99         CtdlSetConfigStr("c_nodename", detected_hostname);
 100
 101         if ((he = gethostbyname(my_utsname.nodename)) != NULL) {
 102                 CtdlSetConfigStr("c_fqdn", he->h_name);
 103         }
 104         else {
 105                 CtdlSetConfigStr("c_fqdn", my_utsname.nodename);
 106         }
 107
 108         CtdlSetConfigStr("c_humannode",         "Citadel Server");
 109         CtdlSetConfigInt("c_initax",            4);
 110         CtdlSetConfigStr("c_moreprompt",        "<more>");
 111         CtdlSetConfigStr("c_twitroom",          "Trashcan");
 112         CtdlSetConfigStr("c_baseroom",          BASEROOM);
 113         CtdlSetConfigStr("c_aideroom",          "Aide");
 114         CtdlSetConfigInt("c_sleeping",          900);
 115
 116         if (CtdlGetConfigInt("c_createax") == 0) {
 117                 CtdlSetConfigInt("c_createax", 3);
 118         }
 119
 120         /*
 121          * Default port numbers for various services
 122          */
 123         CtdlSetConfigInt("c_port_number",       504);
 124         CtdlSetConfigInt("c_smtp_port",         25);
 125         CtdlSetConfigInt("c_pop3_port",         110);
 126         CtdlSetConfigInt("c_imap_port",         143);
 127         CtdlSetConfigInt("c_msa_port",          587);
 128         CtdlSetConfigInt("c_smtps_port",        465);
 129         CtdlSetConfigInt("c_pop3s_port",        995);
 130         CtdlSetConfigInt("c_imaps_port",        993);
 131         CtdlSetConfigInt("c_pftcpdict_port",    -1);
 132         CtdlSetConfigInt("c_managesieve_port",  2020);
 133         CtdlSetConfigInt("c_xmpp_c2s_port",     5222);
 134         CtdlSetConfigInt("c_xmpp_s2s_port",     5269);
 135         CtdlSetConfigInt("c_nntp_port",         119);
 136         CtdlSetConfigInt("c_nntps_port",        563);
 137
 138         /*
 139          * Prevent the "new installation, set defaults" behavior from occurring again
 140          */
 141         CtdlSetConfigLong("c_config_created_or_migrated", (long)time(NULL));
 142 }
 143
 144
 145 /*
 146  * Migrate a supplied legacy configuration to the new in-db format.
 147  * No individual site should ever have to do this more than once.
 148  */
 149 void migrate_legacy_config(struct legacy_config *lconfig)
 150 {
 151         CtdlSetConfigStr(       "c_nodename"            ,       lconfig->c_nodename             );
 152         CtdlSetConfigStr(       "c_fqdn"                ,       lconfig->c_fqdn                 );
 153         CtdlSetConfigStr(       "c_humannode"           ,       lconfig->c_humannode            );
 154         CtdlSetConfigInt(       "c_creataide"           ,       lconfig->c_creataide            );
 155         CtdlSetConfigInt(       "c_sleeping"            ,       lconfig->c_sleeping             );
 156         CtdlSetConfigInt(       "c_initax"              ,       lconfig->c_initax               );
 157         CtdlSetConfigInt(       "c_regiscall"           ,       lconfig->c_regiscall            );
 158         CtdlSetConfigInt(       "c_twitdetect"          ,       lconfig->c_twitdetect           );
 159         CtdlSetConfigStr(       "c_twitroom"            ,       lconfig->c_twitroom             );
 160         CtdlSetConfigStr(       "c_moreprompt"          ,       lconfig->c_moreprompt           );
 161         CtdlSetConfigInt(       "c_restrict"            ,       lconfig->c_restrict             );
 162         CtdlSetConfigStr(       "c_site_location"       ,       lconfig->c_site_location        );
 163         CtdlSetConfigStr(       "c_sysadm"              ,       lconfig->c_sysadm               );
 164         CtdlSetConfigInt(       "c_maxsessions"         ,       lconfig->c_maxsessions          );
 165         CtdlSetConfigStr(       "c_ip_addr"             ,       lconfig->c_ip_addr              );
 166         CtdlSetConfigInt(       "c_port_number"         ,       lconfig->c_port_number          );
 167         CtdlSetConfigInt(       "c_ep_mode"             ,       lconfig->c_ep.expire_mode       );
 168         CtdlSetConfigInt(       "c_ep_value"            ,       lconfig->c_ep.expire_value      );
 169         CtdlSetConfigInt(       "c_userpurge"           ,       lconfig->c_userpurge            );
 170         CtdlSetConfigInt(       "c_roompurge"           ,       lconfig->c_roompurge            );
 171         CtdlSetConfigStr(       "c_logpages"            ,       lconfig->c_logpages             );
 172         CtdlSetConfigInt(       "c_createax"            ,       lconfig->c_createax             );
 173         CtdlSetConfigLong(      "c_maxmsglen"           ,       lconfig->c_maxmsglen            );
 174         CtdlSetConfigInt(       "c_min_workers"         ,       lconfig->c_min_workers          );
 175         CtdlSetConfigInt(       "c_max_workers"         ,       lconfig->c_max_workers          );
 176         CtdlSetConfigInt(       "c_pop3_port"           ,       lconfig->c_pop3_port            );
 177         CtdlSetConfigInt(       "c_smtp_port"           ,       lconfig->c_smtp_port            );
 178         CtdlSetConfigInt(       "c_rfc822_strict_from"  ,       lconfig->c_rfc822_strict_from   );
 179         CtdlSetConfigInt(       "c_aide_zap"            ,       lconfig->c_aide_zap             );
 180         CtdlSetConfigInt(       "c_imap_port"           ,       lconfig->c_imap_port            );
 181         CtdlSetConfigLong(      "c_net_freq"            ,       lconfig->c_net_freq             );
 182         CtdlSetConfigInt(       "c_disable_newu"        ,       lconfig->c_disable_newu         );
 183         CtdlSetConfigInt(       "c_enable_fulltext"     ,       lconfig->c_enable_fulltext      );
 184         CtdlSetConfigStr(       "c_baseroom"            ,       lconfig->c_baseroom             );
 185         CtdlSetConfigStr(       "c_aideroom"            ,       lconfig->c_aideroom             );
 186         CtdlSetConfigInt(       "c_purge_hour"          ,       lconfig->c_purge_hour           );
 187         CtdlSetConfigInt(       "c_mbxep_mode"          ,       lconfig->c_mbxep.expire_mode    );
 188         CtdlSetConfigInt(       "c_mbxep_value"         ,       lconfig->c_mbxep.expire_value   );
 189         CtdlSetConfigStr(       "c_ldap_host"           ,       lconfig->c_ldap_host            );
 190         CtdlSetConfigInt(       "c_ldap_port"           ,       lconfig->c_ldap_port            );
 191         CtdlSetConfigStr(       "c_ldap_base_dn"        ,       lconfig->c_ldap_base_dn         );
 192         CtdlSetConfigStr(       "c_ldap_bind_dn"        ,       lconfig->c_ldap_bind_dn         );
 193         CtdlSetConfigStr(       "c_ldap_bind_pw"        ,       lconfig->c_ldap_bind_pw         );
 194         CtdlSetConfigInt(       "c_msa_port"            ,       lconfig->c_msa_port             );
 195         CtdlSetConfigInt(       "c_imaps_port"          ,       lconfig->c_imaps_port           );
 196         CtdlSetConfigInt(       "c_pop3s_port"          ,       lconfig->c_pop3s_port           );
 197         CtdlSetConfigInt(       "c_smtps_port"          ,       lconfig->c_smtps_port           );
 198         CtdlSetConfigInt(       "c_auto_cull"           ,       lconfig->c_auto_cull            );
 199         CtdlSetConfigInt(       "c_allow_spoofing"      ,       lconfig->c_allow_spoofing       );
 200         CtdlSetConfigInt(       "c_journal_email"       ,       lconfig->c_journal_email        );
 201         CtdlSetConfigInt(       "c_journal_pubmsgs"     ,       lconfig->c_journal_pubmsgs      );
 202         CtdlSetConfigStr(       "c_journal_dest"        ,       lconfig->c_journal_dest         );
 203         CtdlSetConfigStr(       "c_default_cal_zone"    ,       lconfig->c_default_cal_zone     );
 204         CtdlSetConfigInt(       "c_pftcpdict_port"      ,       lconfig->c_pftcpdict_port       );
 205         CtdlSetConfigInt(       "c_managesieve_port"    ,       lconfig->c_managesieve_port     );
 206         CtdlSetConfigInt(       "c_auth_mode"           ,       lconfig->c_auth_mode            );
 207         CtdlSetConfigInt(       "c_rbl_at_greeting"     ,       lconfig->c_rbl_at_greeting      );
 208         CtdlSetConfigStr(       "c_pager_program"       ,       lconfig->c_pager_program        );
 209         CtdlSetConfigInt(       "c_imap_keep_from"      ,       lconfig->c_imap_keep_from       );
 210         CtdlSetConfigInt(       "c_xmpp_c2s_port"       ,       lconfig->c_xmpp_c2s_port        );
 211         CtdlSetConfigInt(       "c_xmpp_s2s_port"       ,       lconfig->c_xmpp_s2s_port        );
 212         CtdlSetConfigLong(      "c_pop3_fetch"          ,       lconfig->c_pop3_fetch           );
 213         CtdlSetConfigLong(      "c_pop3_fastest"        ,       lconfig->c_pop3_fastest         );
 214         CtdlSetConfigInt(       "c_spam_flag_only"      ,       lconfig->c_spam_flag_only       );
 215         CtdlSetConfigInt(       "c_guest_logins"        ,       lconfig->c_guest_logins         );
 216         CtdlSetConfigInt(       "c_nntp_port"           ,       lconfig->c_nntp_port            );
 217         CtdlSetConfigInt(       "c_nntps_port"          ,       lconfig->c_nntps_port           );
 218 }
 219
 220
 221 /*
 222  * Called during the initialization of Citadel server.
 223  * It verifies the system's integrity and reads citadel.config into memory.
 224  */
 225 void initialize_config_system(void) {
 226         FILE *cfp;
 227         int rv;
 228         struct legacy_config lconfig;   // legacy configuration
 229         ctdlconfig = NewHash(1, NULL);  // set up the real config system
 230
 231         /* Ensure that we are linked to the correct version of libcitadel */
 232         if (libcitadel_version_number() < LIBCITADEL_VERSION_NUMBER) {
 233                 fprintf(stderr, "You are running libcitadel version %d\n", libcitadel_version_number());
 234                 fprintf(stderr, "citserver was compiled against version %d\n", LIBCITADEL_VERSION_NUMBER);
 235                 exit(CTDLEXIT_LIBCITADEL);
 236         }
 237
 238         if (chdir(ctdl_bbsbase_dir) != 0) {
 239                 fprintf(stderr,
 240                         "This program could not be started.\nUnable to change directory to %s\nError: %s\n",
 241                         ctdl_bbsbase_dir,
 242                         strerror(errno)
 243                 );
 244                 exit(CTDLEXIT_HOME);
 245         }
 246
 247         memset(&lconfig, 0, sizeof(struct legacy_config));
 248         cfp = fopen(file_citadel_config, "rb");
 249         if (cfp != NULL) {
 250                 if (CtdlGetConfigLong("c_config_created_or_migrated") > 0) {
 251                         fprintf(stderr, "Citadel Server found BOTH legacy and new configurations present.\n");
 252                         fprintf(stderr, "Exiting to prevent data corruption.\n");
 253                         exit(CTDLEXIT_CONFIG);
 254                 }
 255                 rv = fread((char *) &lconfig, sizeof(struct legacy_config), 1, cfp);
 256                 if (rv != 1)
 257                 {
 258                         fprintf(stderr,
 259                                 "Warning: Found a legacy config file %s has unexpected size. \n",
 260                                 file_citadel_config
 261                         );
 262                 }
 263
 264                 migrate_legacy_config(&lconfig);
 265
 266                 fclose(cfp);
 267                 if (unlink(file_citadel_config) != 0) {
 268                         fprintf(stderr, "Unable to remove legacy config file %s after migrating it.\n", file_citadel_config);
 269                         fprintf(stderr, "Exiting to prevent data corruption.\n");
 270                         exit(CTDLEXIT_CONFIG);
 271                 }
 272
 273                 /*
 274                  * Prevent migration/initialization from happening again.
 275                  */
 276                 CtdlSetConfigLong("c_config_created_or_migrated", (long)time(NULL));
 277
 278         }
 279
 280         /* New installation?  Set up configuration */
 281         if (CtdlGetConfigLong("c_config_created_or_migrated") <= 0) {
 282                 brand_new_installation_set_defaults();
 283         }
 284
 285         /* Only allow LDAP auth mode if we actually have LDAP support */
 286 #ifndef HAVE_LDAP
 287         if ((CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP) || (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_LDAP_AD)) {
 288                 fprintf(stderr, "Your system is configured for LDAP authentication,\n"
 289                                 "but you are running a server built without OpenLDAP support.\n");
 290                 exit(CTDL_EXIT_UNSUP_AUTH);
 291         }
 292 #endif
 293
 294         /* Default maximum message length is 10 megabytes.  This is site
 295          * configurable.  Also check to make sure the limit has not been
 296          * set below 8192 bytes.
 297          */
 298         if (CtdlGetConfigLong("c_maxmsglen") <= 0)      CtdlSetConfigLong("c_maxmsglen", 10485760);
 299         if (CtdlGetConfigLong("c_maxmsglen") < 8192)    CtdlSetConfigLong("c_maxmsglen", 8192);
 300
 301         /*
 302          * Default lower and upper limits on number of worker threads
 303          */
 304         if (CtdlGetConfigInt("c_min_workers") < 5)      CtdlSetConfigInt("c_min_workers", 5);   // min
 305         if (CtdlGetConfigInt("c_max_workers") == 0)     CtdlSetConfigInt("c_max_workers", 256); // default max
 306         if (CtdlGetConfigInt("c_max_workers") < CtdlGetConfigInt("c_min_workers")) {
 307                 CtdlSetConfigInt("c_max_workers", CtdlGetConfigInt("c_min_workers"));           // max >= min
 308         }
 309
 310         /* Networking more than once every five minutes just isn't sane */
 311         if (CtdlGetConfigLong("c_net_freq") == 0)       CtdlSetConfigLong("c_net_freq", 3600);  // once per hour default
 312         if (CtdlGetConfigLong("c_net_freq") < 300)      CtdlSetConfigLong("c_net_freq", 300);   // minimum 5 minutes
 313
 314         /* Same goes for POP3 */
 315         if (CtdlGetConfigLong("c_pop3_fetch") == 0)     CtdlSetConfigLong("c_pop3_fetch", 3600);        // once per hour default
 316         if (CtdlGetConfigLong("c_pop3_fetch") < 300)    CtdlSetConfigLong("c_pop3_fetch", 300);         // 5 minutes min
 317         if (CtdlGetConfigLong("c_pop3_fastest") == 0)   CtdlSetConfigLong("c_pop3_fastest", 3600);      // once per hour default
 318         if (CtdlGetConfigLong("c_pop3_fastest") < 300)  CtdlSetConfigLong("c_pop3_fastest", 300);       // 5 minutes min
 319
 320         /* LDAP sync frequency */
 321         if (CtdlGetConfigLong("c_ldap_sync_freq") == 0) CtdlSetConfigLong("c_ldap_sync_freq", 300);     // every 5 minutes default
 322
 323         /* "create new user" only works with native authentication mode */
 324         if (CtdlGetConfigInt("c_auth_mode") != AUTHMODE_NATIVE) {
 325                 CtdlSetConfigInt("c_disable_newu", 1);
 326         }
 327 }
 328
 329
 330 /*
 331  * Called when Citadel server is shutting down.
 332  * Clears out the config hash table.
 333  */
 334 void shutdown_config_system(void)
 335 {
 336         DeleteHash(&ctdlconfig);
 337 }
 338
 339
 340 /*
 341  * Set a system config value.  Simple key/value here.
 342  */
 343 void CtdlSetConfigStr(char *key, char *value)
 344 {
 345         int key_len = strlen(key);
 346         int value_len = strlen(value);
 347
 348         /* Save it in memory */
 349         Put(ctdlconfig, key, key_len, strdup(value), NULL);
 350
 351         /* Also write it to the config database */
 352
 353         int dbv_size = key_len + value_len + 2;
 354         char *dbv = malloc(dbv_size);
 355         strcpy(dbv, key);
 356         strcpy(&dbv[key_len + 1], value);
 357         cdb_store(CDB_CONFIG, key, key_len, dbv, dbv_size);
 358         free(dbv);
 359 }
 360
 361
 362 /*
 363  * Set a numeric system config value (long integer)
 364  */
 365 void CtdlSetConfigLong(char *key, long value)
 366 {
 367         char longstr[256];
 368         sprintf(longstr, "%ld", value);
 369         CtdlSetConfigStr(key, longstr);
 370 }
 371
 372
 373 /*
 374  * Set a numeric system config value (integer)
 375  */
 376 void CtdlSetConfigInt(char *key, int value)
 377 {
 378         char intstr[256];
 379         sprintf(intstr, "%d", value);
 380         CtdlSetConfigStr(key, intstr);
 381 }
 382
 383
 384 /*
 385  * Delete a system config value.
 386  */
 387 void CtdlDelConfig(char *key)
 388 {
 389         int key_len = strlen(key);
 390
 391         if (IsEmptyStr(key)) return;
 392
 393         /* Delete from the database. */
 394         cdb_delete(CDB_CONFIG, key, key_len);
 395
 396         /* Delete from the in-memory cache */
 397         HashPos *Pos = GetNewHashPos(ctdlconfig, 1);
 398         if (GetHashPosFromKey(ctdlconfig, key, key_len, Pos)) {
 399                 DeleteEntryFromHash(ctdlconfig, Pos);
 400         }
 401         DeleteHashPos(&Pos);
 402
 403         assert(Pos == NULL);    // no memory leaks allowed
 404 }
 405
 406
 407 /*
 408  * Fetch a system config value.  Caller does *not* own the returned value and may not alter it.
 409  */
 410 char *CtdlGetConfigStr(char *key)
 411 {
 412         char *value = NULL;
 413         struct cdbdata *cdb;
 414         int key_len = strlen(key);
 415
 416         if (IsEmptyStr(key)) return(NULL);
 417
 418         /* First look in memory */
 419         if (GetHash(ctdlconfig, key, key_len, (void *)&value))
 420         {
 421                 return value;
 422         }
 423
 424         /* Then look in the database. */
 425
 426         cdb = cdb_fetch(CDB_CONFIG, key, key_len);
 427
 428         if (cdb == NULL) {      /* nope, not there either. */
 429                 return(NULL);
 430         }
 431
 432         /* Got it.  Save it in memory for the next fetch. */
 433         value = strdup(cdb->ptr + key_len + 1);         /* The key was stored there too; skip past it */
 434         cdb_free(cdb);
 435         Put(ctdlconfig, key, key_len, value, NULL);
 436         return value;
 437 }
 438
 439
 440 /*
 441  * Fetch a system config value - integer
 442  */
 443 int CtdlGetConfigInt(char *key)
 444 {
 445         char *s = CtdlGetConfigStr(key);
 446         if (s) return atoi(s);
 447         return 0;
 448 }
 449
 450
 451 /*
 452  * Fetch a system config value - long integer
 453  */
 454 long CtdlGetConfigLong(char *key)
 455 {
 456         char *s = CtdlGetConfigStr(key);
 457         if (s) return atol(s);
 458         return 0;
 459 }
 460
 461
 462 void CtdlGetSysConfigBackend(long msgnum, void *userdata) {
 463         config_msgnum = msgnum;
 464 }
 465
 466
 467 char *CtdlGetSysConfig(char *sysconfname) {
 468         char hold_rm[ROOMNAMELEN];
 469         long msgnum;
 470         char *conf;
 471         struct CtdlMessage *msg;
 472         char buf[SIZ];
 473
 474         strcpy(hold_rm, CC->room.QRname);
 475         if (CtdlGetRoom(&CC->room, SYSCONFIGROOM) != 0) {
 476                 CtdlGetRoom(&CC->room, hold_rm);
 477                 return NULL;
 478         }
 479
 480         /* We want the last (and probably only) config in this room */
 481         begin_critical_section(S_CONFIG);
 482         config_msgnum = (-1L);
 483         CtdlForEachMessage(MSGS_LAST, 1, NULL, sysconfname, NULL, CtdlGetSysConfigBackend, NULL);
 484         msgnum = config_msgnum;
 485         end_critical_section(S_CONFIG);
 486
 487         if (msgnum < 0L) {
 488                 conf = NULL;
 489         }
 490         else {
 491                 msg = CtdlFetchMessage(msgnum, 1, 1);
 492                 if (msg != NULL) {
 493                         conf = strdup(msg->cm_fields[eMesageText]);
 494                         CM_Free(msg);
 495                 }
 496                 else {
 497                         conf = NULL;
 498                 }
 499         }
 500
 501         CtdlGetRoom(&CC->room, hold_rm);
 502
 503         if (conf != NULL) {
 504                 do {
 505                         extract_token(buf, conf, 0, '\n', sizeof buf);
 506                         strcpy(conf, &conf[strlen(buf)+1]);
 507                 } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
 508         }
 509
 510         return(conf);
 511 }
 512
 513
 514 void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
 515         CtdlWriteObject(SYSCONFIGROOM, sysconfname, sysconfdata, (strlen(sysconfdata)+1), NULL, 0, 1, 0);
 516 }