citadel/control.c

   1 /*
   2  * This module handles states which are global to the entire server.
   3  *
   4  * Copyright (c) 1987-2014 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 <stdio.h>
  16 #include <sys/file.h>
  17 #include <libcitadel.h>
  18
  19 #include "ctdl_module.h"
  20 #include "config.h"
  21 #include "citserver.h"
  22 #include "user_ops.h"
  23
  24 struct CitControl CitControl;
  25 extern struct config config;
  26 FILE *control_fp = NULL;
  27 long control_highest_user = 0;
  28
  29
  30 /*
  31  * lock_control  -  acquire a lock on the control record file.
  32  *                  This keeps multiple citservers from running concurrently.
  33  */
  34 void lock_control(void)
  35 {
  36 #if defined(LOCK_EX) && defined(LOCK_NB)
  37         if (flock(fileno(control_fp), (LOCK_EX | LOCK_NB))) {
  38                 syslog(LOG_EMERG, "citserver: unable to lock %s.\n", file_citadel_control);
  39                 syslog(LOG_EMERG, "Is another citserver already running?\n");
  40                 exit(CTDLEXIT_CONTROL);
  41         }
  42 #endif
  43 }
  44
  45 /*
  46  * callback to get highest room number when rebuilding control file
  47  */
  48 void control_find_highest(struct ctdlroom *qrbuf, void *data)
  49 {
  50         struct ctdlroom room;
  51         struct cdbdata *cdbfr;
  52         long *msglist;
  53         int num_msgs=0;
  54         int c;
  55         int room_fixed = 0;
  56         int message_fixed = 0;
  57
  58         if (qrbuf->QRnumber > CitControl.MMnextroom)
  59         {
  60                 CitControl.MMnextroom = qrbuf->QRnumber;
  61                 room_fixed = 1;
  62         }
  63
  64         CtdlGetRoom (&room, qrbuf->QRname);
  65
  66         /* Load the message list */
  67         cdbfr = cdb_fetch(CDB_MSGLISTS, &room.QRnumber, sizeof(long));
  68         if (cdbfr != NULL) {
  69                 msglist = (long *) cdbfr->ptr;
  70                 num_msgs = cdbfr->len / sizeof(long);
  71         } else {
  72                 return; /* No messages at all?  No further action. */
  73         }
  74
  75         if (num_msgs>0)
  76         {
  77                 for (c=0; c<num_msgs; c++)
  78                 {
  79                         if (msglist[c] > CitControl.MMhighest)
  80                         {
  81                                 CitControl.MMhighest = msglist[c];
  82                                 message_fixed = 1;
  83                         }
  84                 }
  85         }
  86         cdb_free(cdbfr);
  87         if (room_fixed)
  88                 syslog(LOG_INFO, "Control record checking....Fixed room counter\n");
  89         if (message_fixed)
  90                 syslog(LOG_INFO, "Control record checking....Fixed message count\n");
  91         return;
  92 }
  93
  94
  95 /*
  96  * Callback to get highest user number.
  97  */
  98
  99 void control_find_user (struct ctdluser *EachUser, void *out_data)
 100 {
 101         int user_fixed = 0;
 102
 103         if (EachUser->usernum > CitControl.MMnextuser)
 104         {
 105                 CitControl.MMnextuser = EachUser->usernum;
 106                 user_fixed = 1;
 107         }
 108         if(user_fixed)
 109                 syslog(LOG_INFO, "Control record checking....Fixed user count\n");
 110 }
 111
 112
 113 /*
 114  * get_control  -  read the control record into memory.
 115  */
 116 void get_control(void)
 117 {
 118         static int already_have_control = 0;
 119         int rv = 0;
 120
 121         /*
 122          * If we already have the control record in memory, there's no point
 123          * in reading it from disk again.
 124          */
 125         if (already_have_control) return;
 126
 127         /* Zero it out.  If the control record on disk is missing or short,
 128          * the system functions with all control record fields initialized
 129          * to zero.
 130          */
 131         memset(&CitControl, 0, sizeof(struct CitControl));
 132         if (control_fp == NULL) {
 133                 control_fp = fopen(file_citadel_control, "rb+");
 134                 if (control_fp != NULL) {
 135                         lock_control();
 136                         rv = fchown(fileno(control_fp), config.c_ctdluid, -1);
 137                         if (rv == -1)
 138                                 syslog(LOG_EMERG, "Failed to adjust ownership of: %s [%s]\n",
 139                                        file_citadel_control, strerror(errno));
 140                         rv = fchmod(fileno(control_fp), S_IRUSR|S_IWUSR);
 141                         if (rv == -1)
 142                                 syslog(LOG_EMERG, "Failed to adjust accessrights of: %s [%s]\n",
 143                                        file_citadel_control, strerror(errno));
 144                 }
 145         }
 146         if (control_fp == NULL) {
 147                 control_fp = fopen(file_citadel_control, "wb+");
 148                 if (control_fp != NULL) {
 149                         lock_control();
 150                         memset(&CitControl, 0, sizeof(struct CitControl));
 151
 152                         rv = fchown(fileno(control_fp), config.c_ctdluid, -1);
 153                         if (rv == -1)
 154                                 syslog(LOG_EMERG, "Failed to adjust ownership of: %s [%s]\n",
 155                                        file_citadel_control, strerror(errno));
 156
 157                         rv = fchmod(fileno(control_fp), S_IRUSR|S_IWUSR);
 158                         if (rv == -1)
 159                                 syslog(LOG_EMERG, "Failed to adjust accessrights of: %s [%s]\n",
 160                                        file_citadel_control, strerror(errno));
 161                         rv = fwrite(&CitControl, sizeof(struct CitControl), 1, control_fp);
 162                         if (rv == -1)
 163                                 syslog(LOG_EMERG, "Failed to write: %s [%s]\n",
 164                                        file_citadel_control, strerror(errno));
 165                         rewind(control_fp);
 166                 }
 167         }
 168         if (control_fp == NULL) {
 169                 syslog(LOG_ALERT, "ERROR opening %s: %s\n", file_citadel_control, strerror(errno));
 170                 return;
 171         }
 172
 173         rewind(control_fp);
 174         rv = fread(&CitControl, sizeof(struct CitControl), 1, control_fp);
 175         if (rv == -1)
 176                 syslog(LOG_EMERG, "Failed to read Controlfile: %s [%s]\n",
 177                        file_citadel_control, strerror(errno));
 178         already_have_control = 1;
 179         rv = chown(file_citadel_control, config.c_ctdluid, (-1));
 180         if (rv == -1)
 181                 syslog(LOG_EMERG, "Failed to adjust ownership of: %s [%s]\n",
 182                        file_citadel_control, strerror(errno));
 183 }
 184
 185 /*
 186  * put_control  -  write the control record to disk.
 187  */
 188 void put_control(void)
 189 {
 190         int rv = 0;
 191
 192         if (control_fp != NULL) {
 193                 rewind(control_fp);
 194                 rv = fwrite(&CitControl, sizeof(struct CitControl), 1, control_fp);
 195                 if (rv == -1)
 196                         syslog(LOG_EMERG, "Failed to write: %s [%s]\n",
 197                                file_citadel_control, strerror(errno));
 198                 fflush(control_fp);
 199         }
 200 }
 201
 202
 203 /*
 204  * check_control   -  check the control record has sensible values for message, user and room numbers
 205  */
 206 void check_control(void)
 207 {
 208         syslog(LOG_INFO, "Checking/re-building control record\n");
 209         get_control();
 210         // Find highest room number and message number.
 211         CtdlForEachRoom(control_find_highest, NULL);
 212         ForEachUser(control_find_user, NULL);
 213         put_control();
 214 }
 215
 216
 217 /*
 218  * release_control - close our fd on exit
 219  */
 220 void release_control(void)
 221 {
 222         if (control_fp != NULL) {
 223                 fclose(control_fp);
 224         }
 225         control_fp = NULL;
 226 }
 227
 228 /*
 229  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
 230  */
 231 long get_new_message_number(void)
 232 {
 233         long retval = 0L;
 234         begin_critical_section(S_CONTROL);
 235         get_control();
 236         retval = ++CitControl.MMhighest;
 237         put_control();
 238         end_critical_section(S_CONTROL);
 239         return(retval);
 240 }
 241
 242
 243 /*
 244  * CtdlGetCurrentMessageNumber()  -  Obtain the current highest message number in the system
 245  * This provides a quick way to initialise a variable that might be used to indicate
 246  * messages that should not be processed. EG. a new Sieve script will use this
 247  * to record determine that messages older than this should not be processed.
 248  */
 249 long CtdlGetCurrentMessageNumber(void)
 250 {
 251         long retval = 0L;
 252         begin_critical_section(S_CONTROL);
 253         get_control();
 254         retval = CitControl.MMhighest;
 255         end_critical_section(S_CONTROL);
 256         return(retval);
 257 }
 258
 259
 260 /*
 261  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
 262  */
 263 long get_new_user_number(void)
 264 {
 265         long retval = 0L;
 266         begin_critical_section(S_CONTROL);
 267         get_control();
 268         retval = ++CitControl.MMnextuser;
 269         put_control();
 270         end_critical_section(S_CONTROL);
 271         return(retval);
 272 }
 273
 274
 275
 276 /*
 277  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 278  */
 279 long get_new_room_number(void)
 280 {
 281         long retval = 0L;
 282         begin_critical_section(S_CONTROL);
 283         get_control();
 284         retval = ++CitControl.MMnextroom;
 285         put_control();
 286         end_critical_section(S_CONTROL);
 287         return(retval);
 288 }
 289
 290
 291
 292 /*
 293  * Get or set global configuration options
 294  *
 295  * IF YOU ADD OR CHANGE FIELDS HERE, YOU *MUST* DOCUMENT YOUR CHANGES AT:
 296  * http://www.citadel.org/doku.php?id=documentation:applicationprotocol
 297  *
 298  */
 299 void cmd_conf(char *argbuf)
 300 {
 301         char cmd[16];
 302         char buf[256];
 303         int a;
 304         char *confptr;
 305         char confname[128];
 306
 307         if (CtdlAccessCheck(ac_aide)) return;
 308
 309         extract_token(cmd, argbuf, 0, '|', sizeof cmd);
 310         if (!strcasecmp(cmd, "GET")) {
 311                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 312                 cprintf("%s\n", config.c_nodename);
 313                 cprintf("%s\n", config.c_fqdn);
 314                 cprintf("%s\n", config.c_humannode);
 315                 cprintf("%s\n", config.c_phonenum);
 316                 cprintf("%d\n", config.c_creataide);
 317                 cprintf("%d\n", config.c_sleeping);
 318                 cprintf("%d\n", config.c_initax);
 319                 cprintf("%d\n", config.c_regiscall);
 320                 cprintf("%d\n", config.c_twitdetect);
 321                 cprintf("%s\n", config.c_twitroom);
 322                 cprintf("%s\n", config.c_moreprompt);
 323                 cprintf("%d\n", config.c_restrict);
 324                 cprintf("%s\n", config.c_site_location);
 325                 cprintf("%s\n", config.c_sysadm);
 326                 cprintf("%d\n", config.c_maxsessions);
 327                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 328                 cprintf("%d\n", config.c_userpurge);
 329                 cprintf("%d\n", config.c_roompurge);
 330                 cprintf("%s\n", config.c_logpages);
 331                 cprintf("%d\n", config.c_createax);
 332                 cprintf("%ld\n", config.c_maxmsglen);
 333                 cprintf("%d\n", config.c_min_workers);
 334                 cprintf("%d\n", config.c_max_workers);
 335                 cprintf("%d\n", config.c_pop3_port);
 336                 cprintf("%d\n", config.c_smtp_port);
 337                 cprintf("%d\n", config.c_rfc822_strict_from);
 338                 cprintf("%d\n", config.c_aide_zap);
 339                 cprintf("%d\n", config.c_imap_port);
 340                 cprintf("%ld\n", config.c_net_freq);
 341                 cprintf("%d\n", config.c_disable_newu);
 342                 cprintf("1\n"); /* niu */
 343                 cprintf("%d\n", config.c_purge_hour);
 344 #ifdef HAVE_LDAP
 345                 cprintf("%s\n", config.c_ldap_host);
 346                 cprintf("%d\n", config.c_ldap_port);
 347                 cprintf("%s\n", config.c_ldap_base_dn);
 348                 cprintf("%s\n", config.c_ldap_bind_dn);
 349                 cprintf("%s\n", config.c_ldap_bind_pw);
 350 #else
 351                 cprintf("\n");
 352                 cprintf("0\n");
 353                 cprintf("\n");
 354                 cprintf("\n");
 355                 cprintf("\n");
 356 #endif
 357                 cprintf("%s\n", config.c_ip_addr);
 358                 cprintf("%d\n", config.c_msa_port);
 359                 cprintf("%d\n", config.c_imaps_port);
 360                 cprintf("%d\n", config.c_pop3s_port);
 361                 cprintf("%d\n", config.c_smtps_port);
 362                 cprintf("%d\n", config.c_enable_fulltext);
 363                 cprintf("%d\n", config.c_auto_cull);
 364                 cprintf("1\n");
 365                 cprintf("%d\n", config.c_allow_spoofing);
 366                 cprintf("%d\n", config.c_journal_email);
 367                 cprintf("%d\n", config.c_journal_pubmsgs);
 368                 cprintf("%s\n", config.c_journal_dest);
 369                 cprintf("%s\n", config.c_default_cal_zone);
 370                 cprintf("%d\n", config.c_pftcpdict_port);
 371                 cprintf("%d\n", config.c_managesieve_port);
 372                 cprintf("%d\n", config.c_auth_mode);
 373                 cprintf("%s\n", config.c_funambol_host);
 374                 cprintf("%d\n", config.c_funambol_port);
 375                 cprintf("%s\n", config.c_funambol_source);
 376                 cprintf("%s\n", config.c_funambol_auth);
 377                 cprintf("%d\n", config.c_rbl_at_greeting);
 378                 cprintf("%s\n", config.c_master_user);
 379                 cprintf("%s\n", config.c_master_pass);
 380                 cprintf("%s\n", config.c_pager_program);
 381                 cprintf("%d\n", config.c_imap_keep_from);
 382                 cprintf("%d\n", config.c_xmpp_c2s_port);
 383                 cprintf("%d\n", config.c_xmpp_s2s_port);
 384                 cprintf("%ld\n", config.c_pop3_fetch);
 385                 cprintf("%ld\n", config.c_pop3_fastest);
 386                 cprintf("%d\n", config.c_spam_flag_only);
 387                 cprintf("%d\n", config.c_guest_logins);
 388                 cprintf("%d\n", config.c_port_number);
 389                 cprintf("%d\n", config.c_ctdluid);
 390                 cprintf("%d\n", config.c_nntp_port);
 391                 cprintf("%d\n", config.c_nntps_port);
 392                 cprintf("000\n");
 393         }
 394
 395         else if (!strcasecmp(cmd, "SET")) {
 396                 unbuffer_output();
 397                 cprintf("%d Send configuration...\n", SEND_LISTING);
 398                 a = 0;
 399                 while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
 400                         switch (a) {
 401                         case 0:
 402                                 configlen.c_nodename = safestrncpy(config.c_nodename, buf,
 403                                                                    sizeof config.c_nodename);
 404                                 break;
 405                         case 1:
 406                                 configlen.c_fqdn = safestrncpy(config.c_fqdn, buf,
 407                                                                sizeof config.c_fqdn);
 408                                 break;
 409                         case 2:
 410                                 configlen.c_humannode = safestrncpy(config.c_humannode, buf,
 411                                                                     sizeof config.c_humannode);
 412                                 break;
 413                         case 3:
 414                                 configlen.c_phonenum = safestrncpy(config.c_phonenum, buf,
 415                                                                    sizeof config.c_phonenum);
 416                                 break;
 417                         case 4:
 418                                 config.c_creataide = atoi(buf);
 419                                 break;
 420                         case 5:
 421                                 config.c_sleeping = atoi(buf);
 422                                 break;
 423                         case 6:
 424                                 config.c_initax = atoi(buf);
 425                                 if (config.c_initax < 1)
 426                                         config.c_initax = 1;
 427                                 if (config.c_initax > 6)
 428                                         config.c_initax = 6;
 429                                 break;
 430                         case 7:
 431                                 config.c_regiscall = atoi(buf);
 432                                 if (config.c_regiscall != 0)
 433                                         config.c_regiscall = 1;
 434                                 break;
 435                         case 8:
 436                                 config.c_twitdetect = atoi(buf);
 437                                 if (config.c_twitdetect != 0)
 438                                         config.c_twitdetect = 1;
 439                                 break;
 440                         case 9:
 441                                 configlen.c_twitroom = safestrncpy(config.c_twitroom, buf,
 442                                                                    sizeof config.c_twitroom);
 443                                 break;
 444                         case 10:
 445                                 configlen.c_moreprompt = safestrncpy(config.c_moreprompt, buf,
 446                                                                      sizeof config.c_moreprompt);
 447                                 break;
 448                         case 11:
 449                                 config.c_restrict = atoi(buf);
 450                                 if (config.c_restrict != 0)
 451                                         config.c_restrict = 1;
 452                                 break;
 453                         case 12:
 454                                 configlen.c_site_location = safestrncpy(
 455                                         config.c_site_location, buf,
 456                                         sizeof config.c_site_location);
 457                                 break;
 458                         case 13:
 459                                 configlen.c_sysadm = safestrncpy(config.c_sysadm, buf,
 460                                                                  sizeof config.c_sysadm);
 461                                 break;
 462                         case 14:
 463                                 config.c_maxsessions = atoi(buf);
 464                                 if (config.c_maxsessions < 0)
 465                                         config.c_maxsessions = 0;
 466                                 break;
 467                         case 15:
 468                                 /* placeholder -- field no longer in use */
 469                                 break;
 470                         case 16:
 471                                 config.c_userpurge = atoi(buf);
 472                                 break;
 473                         case 17:
 474                                 config.c_roompurge = atoi(buf);
 475                                 break;
 476                         case 18:
 477                                 configlen.c_logpages = safestrncpy(config.c_logpages, buf,
 478                                                                    sizeof config.c_logpages);
 479                                 break;
 480                         case 19:
 481                                 config.c_createax = atoi(buf);
 482                                 if (config.c_createax < 1)
 483                                         config.c_createax = 1;
 484                                 if (config.c_createax > 6)
 485                                         config.c_createax = 6;
 486                                 break;
 487                         case 20:
 488                                 if (atoi(buf) >= 8192)
 489                                         config.c_maxmsglen = atoi(buf);
 490                                 break;
 491                         case 21:
 492                                 if (atoi(buf) >= 2)
 493                                         config.c_min_workers = atoi(buf);
 494                         case 22:
 495                                 if (atoi(buf) >= config.c_min_workers)
 496                                         config.c_max_workers = atoi(buf);
 497                         case 23:
 498                                 config.c_pop3_port = atoi(buf);
 499                                 break;
 500                         case 24:
 501                                 config.c_smtp_port = atoi(buf);
 502                                 break;
 503                         case 25:
 504                                 config.c_rfc822_strict_from = atoi(buf);
 505                                 break;
 506                         case 26:
 507                                 config.c_aide_zap = atoi(buf);
 508                                 if (config.c_aide_zap != 0)
 509                                         config.c_aide_zap = 1;
 510                                 break;
 511                         case 27:
 512                                 config.c_imap_port = atoi(buf);
 513                                 break;
 514                         case 28:
 515                                 config.c_net_freq = atol(buf);
 516                                 break;
 517                         case 29:
 518                                 config.c_disable_newu = atoi(buf);
 519                                 if (config.c_disable_newu != 0)
 520                                         config.c_disable_newu = 1;
 521                                 break;
 522                         case 30:
 523                                 /* niu */
 524                                 break;
 525                         case 31:
 526                                 if ((config.c_purge_hour >= 0)
 527                                     && (config.c_purge_hour <= 23)) {
 528                                         config.c_purge_hour = atoi(buf);
 529                                 }
 530                                 break;
 531 #ifdef HAVE_LDAP
 532                         case 32:
 533                                 configlen.c_ldap_host = safestrncpy(config.c_ldap_host, buf,
 534                                                                     sizeof config.c_ldap_host);
 535                                 break;
 536                         case 33:
 537                                 config.c_ldap_port = atoi(buf);
 538                                 break;
 539                         case 34:
 540                                 configlen.c_ldap_base_dn = safestrncpy(config.c_ldap_base_dn, buf,
 541                                                                        sizeof config.c_ldap_base_dn);
 542                                 break;
 543                         case 35:
 544                                 configlen.c_ldap_bind_dn = safestrncpy(config.c_ldap_bind_dn, buf,
 545                                                                        sizeof config.c_ldap_bind_dn);
 546                                 break;
 547                         case 36:
 548                                 configlen.c_ldap_bind_pw = safestrncpy(config.c_ldap_bind_pw, buf,
 549                                                                        sizeof config.c_ldap_bind_pw);
 550                                 break;
 551 #endif
 552                         case 37:
 553                                 configlen.c_ip_addr = safestrncpy(config.c_ip_addr, buf,
 554                                                                   sizeof config.c_ip_addr);
 555                         case 38:
 556                                 config.c_msa_port = atoi(buf);
 557                                 break;
 558                         case 39:
 559                                 config.c_imaps_port = atoi(buf);
 560                                 break;
 561                         case 40:
 562                                 config.c_pop3s_port = atoi(buf);
 563                                 break;
 564                         case 41:
 565                                 config.c_smtps_port = atoi(buf);
 566                                 break;
 567                         case 42:
 568                                 config.c_enable_fulltext = atoi(buf);
 569                                 break;
 570                         case 43:
 571                                 config.c_auto_cull = atoi(buf);
 572                                 break;
 573                         case 44:
 574                                 /* niu */
 575                                 break;
 576                         case 45:
 577                                 config.c_allow_spoofing = atoi(buf);
 578                                 break;
 579                         case 46:
 580                                 config.c_journal_email = atoi(buf);
 581                                 break;
 582                         case 47:
 583                                 config.c_journal_pubmsgs = atoi(buf);
 584                                 break;
 585                         case 48:
 586                                 configlen.c_journal_dest = safestrncpy(config.c_journal_dest, buf,
 587                                                                        sizeof config.c_journal_dest);
 588                         case 49:
 589                                 configlen.c_default_cal_zone = safestrncpy(
 590                                         config.c_default_cal_zone, buf,
 591                                         sizeof config.c_default_cal_zone);
 592                                 break;
 593                         case 50:
 594                                 config.c_pftcpdict_port = atoi(buf);
 595                                 break;
 596                         case 51:
 597                                 config.c_managesieve_port = atoi(buf);
 598                                 break;
 599                         case 52:
 600                                 config.c_auth_mode = atoi(buf);
 601                         case 53:
 602                                 configlen.c_funambol_host = safestrncpy(
 603                                         config.c_funambol_host, buf,
 604                                         sizeof config.c_funambol_host);
 605                                 break;
 606                         case 54:
 607                                 config.c_funambol_port = atoi(buf);
 608                                 break;
 609                         case 55:
 610                                 configlen.c_funambol_source = safestrncpy(
 611                                         config.c_funambol_source, buf,
 612                                         sizeof config.c_funambol_source);
 613                                 break;
 614                         case 56:
 615                                 configlen.c_funambol_auth = safestrncpy(
 616                                         config.c_funambol_auth, buf,
 617                                         sizeof config.c_funambol_auth);
 618                                 break;
 619                         case 57:
 620                                 config.c_rbl_at_greeting = atoi(buf);
 621                                 break;
 622                         case 58:
 623                                 configlen.c_master_user = safestrncpy(
 624                                         config.c_master_user,
 625                                         buf, sizeof config.c_master_user);
 626                                 break;
 627                         case 59:
 628                                 configlen.c_master_pass = safestrncpy(
 629                                         config.c_master_pass, buf, sizeof config.c_master_pass);
 630                                 break;
 631                         case 60:
 632                                 configlen.c_pager_program = safestrncpy(
 633                                         config.c_pager_program, buf, sizeof config.c_pager_program);
 634                                 break;
 635                         case 61:
 636                                 config.c_imap_keep_from = atoi(buf);
 637                                 break;
 638                         case 62:
 639                                 config.c_xmpp_c2s_port = atoi(buf);
 640                                 break;
 641                         case 63:
 642                                 config.c_xmpp_s2s_port = atoi(buf);
 643                                 break;
 644                         case 64:
 645                                 config.c_pop3_fetch = atol(buf);
 646                                 break;
 647                         case 65:
 648                                 config.c_pop3_fastest = atol(buf);
 649                                 break;
 650                         case 66:
 651                                 config.c_spam_flag_only = atoi(buf);
 652                                 break;
 653                         case 67:
 654                                 config.c_guest_logins = atoi(buf);
 655                                 break;
 656                         case 68:
 657                                 config.c_port_number = atoi(buf);
 658                                 break;
 659                         case 69:
 660                                 config.c_ctdluid = atoi(buf);
 661                                 break;
 662                         case 70:
 663                                 config.c_nntp_port = atoi(buf);
 664                                 break;
 665                         case 71:
 666                                 config.c_nntp_port = atoi(buf);
 667                                 break;
 668                         }
 669                         ++a;
 670                 }
 671                 put_config();
 672                 snprintf(buf, sizeof buf,
 673                         "The global system configuration has been edited by %s.\n",
 674                          (CC->logged_in ? CC->curr_user : "an administrator")
 675                 );
 676                 CtdlAideMessage(buf,"Citadel Configuration Manager Message");
 677
 678                 if (!IsEmptyStr(config.c_logpages))
 679                         CtdlCreateRoom(config.c_logpages, 3, "", 0, 1, 1, VIEW_BBS);
 680
 681                 /* If full text indexing has been disabled, invalidate the
 682                  * index so it doesn't try to use it later.
 683                  */
 684                 if (config.c_enable_fulltext == 0) {
 685                         CitControl.fulltext_wordbreaker = 0;
 686                         put_control();
 687                 }
 688         }
 689
 690         else if (!strcasecmp(cmd, "GETSYS")) {
 691                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 692                 confptr = CtdlGetSysConfig(confname);
 693                 if (confptr != NULL) {
 694                         long len;
 695
 696                         len = strlen(confptr);
 697                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 698                         client_write(confptr, len);
 699                         if ((len > 0) && (confptr[len - 1] != 10))
 700                                 client_write("\n", 1);
 701                         cprintf("000\n");
 702                         free(confptr);
 703                 } else {
 704                         cprintf("%d No such configuration.\n",
 705                                 ERROR + ILLEGAL_VALUE);
 706                 }
 707         }
 708
 709         else if (!strcasecmp(cmd, "PUTSYS")) {
 710                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 711                 unbuffer_output();
 712                 cprintf("%d %s\n", SEND_LISTING, confname);
 713                 confptr = CtdlReadMessageBody(HKEY("000"), config.c_maxmsglen, NULL, 0, 0);
 714                 CtdlPutSysConfig(confname, confptr);
 715                 free(confptr);
 716         }
 717
 718         else {
 719                 cprintf("%d Illegal option(s) specified.\n",
 720                         ERROR + ILLEGAL_VALUE);
 721         }
 722 }
 723
 724 typedef struct __ConfType {
 725         ConstStr Name;
 726         long Type;
 727 }ConfType;
 728
 729 ConfType CfgNames[] = {
 730         { {HKEY("localhost") },    0},
 731         { {HKEY("directory") },    0},
 732         { {HKEY("smarthost") },    2},
 733         { {HKEY("fallbackhost") }, 2},
 734         { {HKEY("rbl") },          3},
 735         { {HKEY("spamassassin") }, 3},
 736         { {HKEY("masqdomain") },   1},
 737         { {HKEY("clamav") },       3},
 738         { {HKEY("notify") },       3},
 739         { {NULL, 0}, 0}
 740 };
 741
 742 HashList *CfgNameHash = NULL;
 743 void cmd_gvdn(char *argbuf)
 744 {
 745         const ConfType *pCfg;
 746         char *confptr;
 747         long min = atol(argbuf);
 748         const char *Pos = NULL;
 749         const char *PPos = NULL;
 750         const char *HKey;
 751         long HKLen;
 752         StrBuf *Line;
 753         StrBuf *Config;
 754         StrBuf *Cfg;
 755         StrBuf *CfgToken;
 756         HashList *List;
 757         HashPos *It;
 758         void *vptr;
 759
 760         List = NewHash(1, NULL);
 761         Cfg = NewStrBufPlain(config.c_fqdn, -1);
 762         Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 763         Cfg = NULL;
 764
 765         confptr = CtdlGetSysConfig(INTERNETCFG);
 766         Config = NewStrBufPlain(confptr, -1);
 767         free(confptr);
 768
 769         Line = NewStrBufPlain(NULL, StrLength(Config));
 770         CfgToken = NewStrBufPlain(NULL, StrLength(Config));
 771         while (StrBufSipLine(Line, Config, &Pos))
 772         {
 773                 if (Cfg == NULL)
 774                         Cfg = NewStrBufPlain(NULL, StrLength(Line));
 775                 PPos = NULL;
 776                 StrBufExtract_NextToken(Cfg, Line, &PPos, '|');
 777                 StrBufExtract_NextToken(CfgToken, Line, &PPos, '|');
 778                 if (GetHash(CfgNameHash, SKEY(CfgToken), &vptr) &&
 779                     (vptr != NULL))
 780                 {
 781                         pCfg = (ConfType *) vptr;
 782                         if (pCfg->Type <= min)
 783                         {
 784                                 Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 785                                 Cfg = NULL;
 786                         }
 787                 }
 788         }
 789
 790         cprintf("%d Valid Domains\n", LISTING_FOLLOWS);
 791         It = GetNewHashPos(List, 1);
 792         while (GetNextHashPos(List, It, &HKLen, &HKey, &vptr))
 793         {
 794                 cputbuf(vptr);
 795                 cprintf("\n");
 796         }
 797         cprintf("000\n");
 798
 799         DeleteHashPos(&It);
 800         DeleteHash(&List);
 801         FreeStrBuf(&Cfg);
 802         FreeStrBuf(&Line);
 803         FreeStrBuf(&CfgToken);
 804         FreeStrBuf(&Config);
 805 }
 806
 807 /*****************************************************************************/
 808 /*                      MODULE INITIALIZATION STUFF                          */
 809 /*****************************************************************************/
 810
 811 void control_cleanup(void)
 812 {
 813         DeleteHash(&CfgNameHash);
 814 }
 815 CTDL_MODULE_INIT(control)
 816 {
 817         if (!threading) {
 818                 int i;
 819
 820                 CfgNameHash = NewHash(1, NULL);
 821                 for (i = 0; CfgNames[i].Name.Key != NULL; i++)
 822                         Put(CfgNameHash, CKEY(CfgNames[i].Name), &CfgNames[i], reference_free_handler);
 823
 824                 CtdlRegisterProtoHook(cmd_gvdn, "GVDN", "get valid domain names");
 825                 CtdlRegisterProtoHook(cmd_conf, "CONF", "get/set system configuration");
 826                 CtdlRegisterCleanupHook(control_cleanup);
 827
 828         }
 829         /* return our id for the Log */
 830         return "control";
 831 }