citadel/control.c

   1 /*
   2  * This module handles states which are global to the entire server.
   3  *
   4  * Copyright (c) 1987-2018 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 long control_highest_user = 0;
  25
  26 /*
  27  * This is the legacy "control record" format for the message base.  If found
  28  * on disk, its contents will be migrated into the system configuration.  Never
  29  * change this.
  30  */
  31 struct legacy_ctrl_format {
  32         long MMhighest;                 /* highest message number in file   */
  33         unsigned MMflags;               /* Global system flags              */
  34         long MMnextuser;                /* highest user number on system    */
  35         long MMnextroom;                /* highest room number on system    */
  36         int MM_hosted_upgrade_level;    /* Server-hosted upgrade level      */
  37         int MM_fulltext_wordbreaker;    /* ID of wordbreaker in use         */
  38         long MMfulltext;                /* highest message number indexed   */
  39         int MMdbversion;                /* Version of Berkeley DB used on previous server run */
  40 };
  41
  42
  43 /*
  44  * Callback to get highest room number when rebuilding message base metadata
  45  */
  46 void control_find_highest(struct ctdlroom *qrbuf, void *data)
  47 {
  48         struct ctdlroom room;
  49         struct cdbdata *cdbfr;
  50         long *msglist;
  51         int num_msgs=0;
  52         int c;
  53
  54         if (qrbuf->QRnumber > CtdlGetConfigLong("MMnextroom")) {
  55                 syslog(LOG_DEBUG, "control: fixing MMnextroom %ld > %ld", qrbuf->QRnumber, CtdlGetConfigLong("MMnextroom"));
  56                 if (!sanity_diag_mode) {
  57                         CtdlSetConfigLong("MMnextroom", qrbuf->QRnumber);
  58                 }
  59         }
  60
  61         CtdlGetRoom(&room, qrbuf->QRname);
  62
  63         /* Load the message list */
  64         cdbfr = cdb_fetch(CDB_MSGLISTS, &room.QRnumber, sizeof(long));
  65         if (cdbfr != NULL) {
  66                 msglist = (long *) cdbfr->ptr;
  67                 num_msgs = cdbfr->len / sizeof(long);
  68         } else {
  69                 return; /* No messages at all?  No further action. */
  70         }
  71
  72         if (num_msgs > 0) {
  73                 for (c=0; c<num_msgs; c++) {
  74                         if (msglist[c] > CtdlGetConfigLong("MMhighest")) {
  75                                 syslog(LOG_DEBUG, "control: fixing MMhighest %ld > %ld", msglist[c], CtdlGetConfigLong("MMhighest"));
  76                                 if (!sanity_diag_mode) {
  77                                         CtdlSetConfigLong("MMhighest", msglist[c]);
  78                                 }
  79                         }
  80                 }
  81         }
  82         cdb_free(cdbfr);
  83         return;
  84 }
  85
  86
  87 /*
  88  * Callback to get highest user number.
  89  */
  90 void control_find_user(struct ctdluser *EachUser, void *out_data)
  91 {
  92         if (EachUser->usernum > CtdlGetConfigLong("MMnextuser")) {
  93                 syslog(LOG_DEBUG, "control: fixing MMnextuser %ld > %ld", EachUser->usernum, CtdlGetConfigLong("MMnextuser"));
  94                 if (!sanity_diag_mode) {
  95                         CtdlSetConfigLong("MMnextuser", EachUser->usernum);
  96                 }
  97         }
  98 }
  99
 100
 101 /*
 102  * If we have a legacy format control record on disk, import it.
 103  */
 104 void migrate_legacy_control_record(void)
 105 {
 106         FILE *fp = NULL;
 107         struct legacy_ctrl_format c;
 108         memset(&c, 0, sizeof(c));
 109
 110         fp = fopen(file_citadel_control, "rb+");
 111         if (fp != NULL) {
 112                 syslog(LOG_INFO, "control: legacy format record found -- importing to db");
 113                 fread(&c, sizeof(struct legacy_ctrl_format), 1, fp);
 114
 115                 CtdlSetConfigLong(      "MMhighest",                    c.MMhighest);
 116                 CtdlSetConfigInt(       "MMflags",                      c.MMflags);
 117                 CtdlSetConfigLong(      "MMnextuser",                   c.MMnextuser);
 118                 CtdlSetConfigLong(      "MMnextroom",                   c.MMnextroom);
 119                 CtdlSetConfigInt(       "MM_hosted_upgrade_level",      c.MM_hosted_upgrade_level);
 120                 CtdlSetConfigInt(       "MM_fulltext_wordbreaker",      c.MM_fulltext_wordbreaker);
 121                 CtdlSetConfigLong(      "MMfulltext",                   c.MMfulltext);
 122
 123                 fclose(fp);
 124                 if (unlink(file_citadel_control) != 0) {
 125                         fprintf(stderr, "Unable to remove legacy control record %s after migrating it.\n", file_citadel_control);
 126                         fprintf(stderr, "Exiting to prevent data corruption.\n");
 127                         exit(CTDLEXIT_CONFIG);
 128                 }
 129         }
 130 }
 131
 132
 133 /*
 134  * check_control   -  check the control record has sensible values for message, user and room numbers
 135  */
 136 void check_control(void)
 137 {
 138         syslog(LOG_INFO, "control: sanity checking the recorded highest message and room numbers");
 139         CtdlForEachRoom(control_find_highest, NULL);
 140         syslog(LOG_INFO, "control: sanity checking the recorded highest user number");
 141         ForEachUser(control_find_user, NULL);
 142         syslog(LOG_INFO, "control: sanity checks complete");
 143         if (sanity_diag_mode) {
 144                 syslog(LOG_INFO, "control: sanity check diagnostic mode is active - exiting now");
 145                 abort();
 146         }
 147 }
 148
 149
 150 /*
 151  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
 152  */
 153 long get_new_message_number(void)
 154 {
 155         long retval = 0L;
 156         begin_critical_section(S_CONTROL);
 157         retval = CtdlGetConfigLong("MMhighest");
 158         ++retval;
 159         CtdlSetConfigLong("MMhighest", retval);
 160         end_critical_section(S_CONTROL);
 161         return(retval);
 162 }
 163
 164
 165 /*
 166  * CtdlGetCurrentMessageNumber()  -  Obtain the current highest message number in the system
 167  * This provides a quick way to initialise a variable that might be used to indicate
 168  * messages that should not be processed. EG. a new Sieve script will use this
 169  * to record determine that messages older than this should not be processed.
 170  *
 171  * (Why is this function here?  Can't we just go straight to the config variable it fetches?)
 172  */
 173 long CtdlGetCurrentMessageNumber(void)
 174 {
 175         return CtdlGetConfigLong("MMhighest");
 176 }
 177
 178
 179 /*
 180  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
 181  */
 182 long get_new_user_number(void)
 183 {
 184         long retval = 0L;
 185         begin_critical_section(S_CONTROL);
 186         retval = CtdlGetConfigLong("MMnextuser");
 187         ++retval;
 188         CtdlSetConfigLong("MMnextuser", retval);
 189         end_critical_section(S_CONTROL);
 190         return(retval);
 191 }
 192
 193
 194 /*
 195  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 196  */
 197 long get_new_room_number(void)
 198 {
 199         long retval = 0L;
 200         begin_critical_section(S_CONTROL);
 201         retval = CtdlGetConfigLong("MMnextroom");
 202         ++retval;
 203         CtdlSetConfigLong("MMnextroom", retval);
 204         end_critical_section(S_CONTROL);
 205         return(retval);
 206 }
 207
 208
 209 /*
 210  * Helper function for cmd_conf() to handle boolean values
 211  */
 212 int confbool(char *v)
 213 {
 214         if (IsEmptyStr(v)) return(0);
 215         if (atoi(v) != 0) return(1);
 216         return(0);
 217 }
 218
 219
 220 /*
 221  * Get or set global configuration options
 222  *
 223  * IF YOU ADD OR CHANGE FIELDS HERE, YOU *MUST* DOCUMENT YOUR CHANGES AT:
 224  * http://www.citadel.org/doku.php/documentation:appproto:system_config
 225  *
 226  */
 227 void cmd_conf(char *argbuf)
 228 {
 229         char cmd[16];
 230         char buf[1024];
 231         int a, i;
 232         long ii;
 233         char *confptr;
 234         char confname[128];
 235
 236         if (CtdlAccessCheck(ac_aide)) return;
 237
 238         extract_token(cmd, argbuf, 0, '|', sizeof cmd);
 239
 240         // CONF GET - retrieve system configuration in legacy format
 241         // This is deprecated; please do not add fields or change their order.
 242         if (!strcasecmp(cmd, "GET")) {
 243                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 244                 cprintf("%s\n",         CtdlGetConfigStr("c_nodename"));
 245                 cprintf("%s\n",         CtdlGetConfigStr("c_fqdn"));
 246                 cprintf("%s\n",         CtdlGetConfigStr("c_humannode"));
 247                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 248                 cprintf("%d\n",         CtdlGetConfigInt("c_creataide"));
 249                 cprintf("%d\n",         CtdlGetConfigInt("c_sleeping"));
 250                 cprintf("%d\n",         CtdlGetConfigInt("c_initax"));
 251                 cprintf("%d\n",         CtdlGetConfigInt("c_regiscall"));
 252                 cprintf("%d\n",         CtdlGetConfigInt("c_twitdetect"));
 253                 cprintf("%s\n",         CtdlGetConfigStr("c_twitroom"));
 254                 cprintf("%s\n",         CtdlGetConfigStr("c_moreprompt"));
 255                 cprintf("%d\n",         CtdlGetConfigInt("c_restrict"));
 256                 cprintf("%s\n",         CtdlGetConfigStr("c_site_location"));
 257                 cprintf("%s\n",         CtdlGetConfigStr("c_sysadm"));
 258                 cprintf("%d\n",         CtdlGetConfigInt("c_maxsessions"));
 259                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 260                 cprintf("%d\n",         CtdlGetConfigInt("c_userpurge"));
 261                 cprintf("%d\n",         CtdlGetConfigInt("c_roompurge"));
 262                 cprintf("%s\n",         CtdlGetConfigStr("c_logpages"));
 263                 cprintf("%d\n",         CtdlGetConfigInt("c_createax"));
 264                 cprintf("%ld\n",        CtdlGetConfigLong("c_maxmsglen"));
 265                 cprintf("%d\n",         CtdlGetConfigInt("c_min_workers"));
 266                 cprintf("%d\n",         CtdlGetConfigInt("c_max_workers"));
 267                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3_port"));
 268                 cprintf("%d\n",         CtdlGetConfigInt("c_smtp_port"));
 269                 cprintf("%d\n",         CtdlGetConfigInt("c_rfc822_strict_from"));
 270                 cprintf("%d\n",         CtdlGetConfigInt("c_aide_zap"));
 271                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_port"));
 272                 cprintf("%ld\n",        CtdlGetConfigLong("c_net_freq"));
 273                 cprintf("%d\n",         CtdlGetConfigInt("c_disable_newu"));
 274                 cprintf("1\n"); /* niu */
 275                 cprintf("%d\n",         CtdlGetConfigInt("c_purge_hour"));
 276 #ifdef HAVE_LDAP
 277                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_host"));
 278                 cprintf("%d\n",         CtdlGetConfigInt("c_ldap_port"));
 279                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_base_dn"));
 280                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_dn"));
 281                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_pw"));
 282 #else
 283                 cprintf("\n");
 284                 cprintf("0\n");
 285                 cprintf("\n");
 286                 cprintf("\n");
 287                 cprintf("\n");
 288 #endif
 289                 cprintf("%s\n",         CtdlGetConfigStr("c_ip_addr"));
 290                 cprintf("%d\n",         CtdlGetConfigInt("c_msa_port"));
 291                 cprintf("%d\n",         CtdlGetConfigInt("c_imaps_port"));
 292                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3s_port"));
 293                 cprintf("%d\n",         CtdlGetConfigInt("c_smtps_port"));
 294                 cprintf("%d\n",         CtdlGetConfigInt("c_enable_fulltext"));
 295                 cprintf("%d\n",         CtdlGetConfigInt("c_auto_cull"));
 296                 cprintf("1\n");
 297                 cprintf("%d\n",         CtdlGetConfigInt("c_allow_spoofing"));
 298                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_email"));
 299                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_pubmsgs"));
 300                 cprintf("%s\n",         CtdlGetConfigStr("c_journal_dest"));
 301                 cprintf("%s\n",         CtdlGetConfigStr("c_default_cal_zone"));
 302                 cprintf("%d\n",         CtdlGetConfigInt("c_pftcpdict_port"));
 303                 cprintf("%d\n",         CtdlGetConfigInt("c_managesieve_port"));
 304                 cprintf("%d\n",         CtdlGetConfigInt("c_auth_mode"));
 305                 cprintf("\n");
 306                 cprintf("\n");
 307                 cprintf("\n");
 308                 cprintf("\n");
 309                 cprintf("%d\n",         CtdlGetConfigInt("c_rbl_at_greeting"));
 310                 cprintf("%s\n",         CtdlGetConfigStr("c_master_user"));
 311                 cprintf("%s\n",         CtdlGetConfigStr("c_master_pass"));
 312                 cprintf("%s\n",         CtdlGetConfigStr("c_pager_program"));
 313                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_keep_from"));
 314                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_c2s_port"));
 315                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_s2s_port"));
 316                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fetch"));
 317                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fastest"));
 318                 cprintf("%d\n",         CtdlGetConfigInt("c_spam_flag_only"));
 319                 cprintf("%d\n",         CtdlGetConfigInt("c_guest_logins"));
 320                 cprintf("%d\n",         CtdlGetConfigInt("c_port_number"));
 321                 cprintf("%d\n",         ctdluid);
 322                 cprintf("%d\n",         CtdlGetConfigInt("c_nntp_port"));
 323                 cprintf("%d\n",         CtdlGetConfigInt("c_nntps_port"));
 324                 cprintf("000\n");
 325         }
 326
 327         // CONF SET - set system configuration in legacy format
 328         // This is deprecated; please do not add fields or change their order.
 329         else if (!strcasecmp(cmd, "SET")) {
 330                 unbuffer_output();
 331                 cprintf("%d Send configuration...\n", SEND_LISTING);
 332                 a = 0;
 333                 while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
 334                         switch (a) {
 335                         case 0:
 336                                 CtdlSetConfigStr("c_nodename", buf);
 337                                 break;
 338                         case 1:
 339                                 CtdlSetConfigStr("c_fqdn", buf);
 340                                 break;
 341                         case 2:
 342                                 CtdlSetConfigStr("c_humannode", buf);
 343                                 break;
 344                         case 3:
 345                                 /* placeholder -- field no longer in use */
 346                                 break;
 347                         case 4:
 348                                 CtdlSetConfigInt("c_creataide", confbool(buf));
 349                                 break;
 350                         case 5:
 351                                 CtdlSetConfigInt("c_sleeping", atoi(buf));
 352                                 break;
 353                         case 6:
 354                                 i = atoi(buf);
 355                                 if (i < 1) i = 1;
 356                                 if (i > 6) i = 6;
 357                                 CtdlSetConfigInt("c_initax", i);
 358                                 break;
 359                         case 7:
 360                                 CtdlSetConfigInt("c_regiscall", confbool(buf));
 361                                 break;
 362                         case 8:
 363                                 CtdlSetConfigInt("c_twitdetect", confbool(buf));
 364                                 break;
 365                         case 9:
 366                                 CtdlSetConfigStr("c_twitroom", buf);
 367                                 break;
 368                         case 10:
 369                                 CtdlSetConfigStr("c_moreprompt", buf);
 370                                 break;
 371                         case 11:
 372                                 CtdlSetConfigInt("c_restrict", confbool(buf));
 373                                 break;
 374                         case 12:
 375                                 CtdlSetConfigStr("c_site_location", buf);
 376                                 break;
 377                         case 13:
 378                                 CtdlSetConfigStr("c_sysadm", buf);
 379                                 break;
 380                         case 14:
 381                                 i = atoi(buf);
 382                                 if (i < 0) i = 0;
 383                                 CtdlSetConfigInt("c_maxsessions", i);
 384                                 break;
 385                         case 15:
 386                                 /* placeholder -- field no longer in use */
 387                                 break;
 388                         case 16:
 389                                 CtdlSetConfigInt("c_userpurge", atoi(buf));
 390                                 break;
 391                         case 17:
 392                                 CtdlSetConfigInt("c_roompurge", atoi(buf));
 393                                 break;
 394                         case 18:
 395                                 CtdlSetConfigStr("c_logpages", buf);
 396                                 break;
 397                         case 19:
 398                                 i = atoi(buf);
 399                                 if (i < 1) i = 1;
 400                                 if (i > 6) i = 6;
 401                                 CtdlSetConfigInt("c_createax", i);
 402                                 break;
 403                         case 20:
 404                                 ii = atol(buf);
 405                                 if (ii >= 8192) {
 406                                         CtdlSetConfigLong("c_maxmsglen", ii);
 407                                 }
 408                                 break;
 409                         case 21:
 410                                 i = atoi(buf);
 411                                 if (i >= 3) {                                   // minimum value
 412                                         CtdlSetConfigInt("c_min_workers", i);
 413                                 }
 414                                 break;
 415                         case 22:
 416                                 i = atoi(buf);
 417                                 if (i >= CtdlGetConfigInt("c_min_workers")) {   // max must be >= min
 418                                         CtdlSetConfigInt("c_max_workers", i);
 419                                 }
 420                                 break;
 421                         case 23:
 422                                 CtdlSetConfigInt("c_pop3_port", atoi(buf));
 423                                 break;
 424                         case 24:
 425                                 CtdlSetConfigInt("c_smtp_port", atoi(buf));
 426                                 break;
 427                         case 25:
 428                                 CtdlSetConfigInt("c_rfc822_strict_from", atoi(buf));
 429                                 break;
 430                         case 26:
 431                                 CtdlSetConfigInt("c_aide_zap", confbool(buf));
 432                                 break;
 433                         case 27:
 434                                 CtdlSetConfigInt("c_imap_port", atoi(buf));
 435                                 break;
 436                         case 28:
 437                                 CtdlSetConfigLong("c_net_freq", atol(buf));
 438                                 break;
 439                         case 29:
 440                                 CtdlSetConfigInt("c_disable_newu", confbool(buf));
 441                                 break;
 442                         case 30:
 443                                 /* niu */
 444                                 break;
 445                         case 31:
 446                                 i = atoi(buf);
 447                                 if ((i >= 0) && (i <= 23)) {
 448                                         CtdlSetConfigInt("c_purge_hour", i);
 449                                 }
 450                                 break;
 451                         case 32:
 452                                 CtdlSetConfigStr("c_ldap_host", buf);
 453                                 break;
 454                         case 33:
 455                                 CtdlSetConfigInt("c_ldap_port", atoi(buf));
 456                                 break;
 457                         case 34:
 458                                 CtdlSetConfigStr("c_ldap_base_dn", buf);
 459                                 break;
 460                         case 35:
 461                                 CtdlSetConfigStr("c_ldap_bind_dn", buf);
 462                                 break;
 463                         case 36:
 464                                 CtdlSetConfigStr("c_ldap_bind_pw", buf);
 465                                 break;
 466                         case 37:
 467                                 CtdlSetConfigStr("c_ip_addr", buf);
 468                                 break;
 469                         case 38:
 470                                 CtdlSetConfigInt("c_msa_port", atoi(buf));
 471                                 break;
 472                         case 39:
 473                                 CtdlSetConfigInt("c_imaps_port", atoi(buf));
 474                                 break;
 475                         case 40:
 476                                 CtdlSetConfigInt("c_pop3s_port", atoi(buf));
 477                                 break;
 478                         case 41:
 479                                 CtdlSetConfigInt("c_smtps_port", atoi(buf));
 480                                 break;
 481                         case 42:
 482                                 CtdlSetConfigInt("c_enable_fulltext", confbool(buf));
 483                                 break;
 484                         case 43:
 485                                 CtdlSetConfigInt("c_auto_cull", confbool(buf));
 486                                 break;
 487                         case 44:
 488                                 /* niu */
 489                                 break;
 490                         case 45:
 491                                 CtdlSetConfigInt("c_allow_spoofing", confbool(buf));
 492                                 break;
 493                         case 46:
 494                                 CtdlSetConfigInt("c_journal_email", confbool(buf));
 495                                 break;
 496                         case 47:
 497                                 CtdlSetConfigInt("c_journal_pubmsgs", confbool(buf));
 498                                 break;
 499                         case 48:
 500                                 CtdlSetConfigStr("c_journal_dest", buf);
 501                                 break;
 502                         case 49:
 503                                 CtdlSetConfigStr("c_default_cal_zone", buf);
 504                                 break;
 505                         case 50:
 506                                 CtdlSetConfigInt("c_pftcpdict_port", atoi(buf));
 507                                 break;
 508                         case 51:
 509                                 CtdlSetConfigInt("c_managesieve_port", atoi(buf));
 510                                 break;
 511                         case 52:
 512                                 CtdlSetConfigInt("c_auth_mode", atoi(buf));
 513                                 break;
 514                         case 53:
 515                                 /* niu */
 516                                 break;
 517                         case 54:
 518                                 /* niu */
 519                                 break;
 520                         case 55:
 521                                 /* niu */
 522                                 break;
 523                         case 56:
 524                                 /* niu */
 525                                 break;
 526                         case 57:
 527                                 CtdlSetConfigInt("c_rbl_at_greeting", confbool(buf));
 528                                 break;
 529                         case 58:
 530                                 CtdlSetConfigStr("c_master_user", buf);
 531                                 break;
 532                         case 59:
 533                                 CtdlSetConfigStr("c_master_pass", buf);
 534                                 break;
 535                         case 60:
 536                                 CtdlSetConfigStr("c_pager_program", buf);
 537                                 break;
 538                         case 61:
 539                                 CtdlSetConfigInt("c_imap_keep_from", confbool(buf));
 540                                 break;
 541                         case 62:
 542                                 CtdlSetConfigInt("c_xmpp_c2s_port", atoi(buf));
 543                                 break;
 544                         case 63:
 545                                 CtdlSetConfigInt("c_xmpp_s2s_port", atoi(buf));
 546                                 break;
 547                         case 64:
 548                                 CtdlSetConfigLong("c_pop3_fetch", atol(buf));
 549                                 break;
 550                         case 65:
 551                                 CtdlSetConfigLong("c_pop3_fastest", atol(buf));
 552                                 break;
 553                         case 66:
 554                                 CtdlSetConfigInt("c_spam_flag_only", confbool(buf));
 555                                 break;
 556                         case 67:
 557                                 CtdlSetConfigInt("c_guest_logins", confbool(buf));
 558                                 break;
 559                         case 68:
 560                                 CtdlSetConfigInt("c_port_number", atoi(buf));
 561                                 break;
 562                         case 69:
 563                                 /* niu */
 564                                 break;
 565                         case 70:
 566                                 CtdlSetConfigInt("c_nntp_port", atoi(buf));
 567                                 break;
 568                         case 71:
 569                                 CtdlSetConfigInt("c_nntps_port", atoi(buf));
 570                                 break;
 571                         }
 572                         ++a;
 573                 }
 574                 snprintf(buf, sizeof buf,
 575                         "The global system configuration has been edited by %s.\n",
 576                          (CC->logged_in ? CC->curr_user : "an administrator")
 577                 );
 578                 CtdlAideMessage(buf, "Citadel Configuration Manager Message");
 579
 580                 if (!IsEmptyStr(CtdlGetConfigStr("c_logpages")))
 581                         CtdlCreateRoom(CtdlGetConfigStr("c_logpages"), 3, "", 0, 1, 1, VIEW_BBS);
 582
 583                 /* If full text indexing has been disabled, invalidate the
 584                  * index so it doesn't try to use it later.
 585                  */
 586                 if (CtdlGetConfigInt("c_enable_fulltext") == 0) {
 587                         CtdlSetConfigInt("MM_fulltext_wordbreaker", 0);
 588                 }
 589         }
 590
 591         // CONF GETSYS - retrieve arbitrary system configuration stanzas stored in the message base
 592         else if (!strcasecmp(cmd, "GETSYS")) {
 593                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 594                 confptr = CtdlGetSysConfig(confname);
 595                 if (confptr != NULL) {
 596                         long len;
 597
 598                         len = strlen(confptr);
 599                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 600                         client_write(confptr, len);
 601                         if ((len > 0) && (confptr[len - 1] != 10))
 602                                 client_write("\n", 1);
 603                         cprintf("000\n");
 604                         free(confptr);
 605                 } else {
 606                         cprintf("%d No such configuration.\n",
 607                                 ERROR + ILLEGAL_VALUE);
 608                 }
 609         }
 610
 611         // CONF PUTSYS - store arbitrary system configuration stanzas in the message base
 612         else if (!strcasecmp(cmd, "PUTSYS")) {
 613                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 614                 unbuffer_output();
 615                 cprintf("%d %s\n", SEND_LISTING, confname);
 616                 confptr = CtdlReadMessageBody(HKEY("000"), CtdlGetConfigLong("c_maxmsglen"), NULL, 0);
 617                 CtdlPutSysConfig(confname, confptr);
 618                 free(confptr);
 619         }
 620
 621         // CONF GETVAL - retrieve configuration variables from the database
 622         // CONF LOADVAL - same thing but can handle variables bigger than 1 KB
 623         else if ( (!strcasecmp(cmd, "GETVAL")) || (!strcasecmp(cmd, "LOADVAL")) ) {
 624                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 625                 char *v = CtdlGetConfigStr(confname);
 626                 if ( (v) && (!strcasecmp(cmd, "GETVAL")) ) {
 627                         cprintf("%d %s|\n", CIT_OK, v);
 628                 }
 629                 else if ( (v) && (!strcasecmp(cmd, "LOADVAL")) ) {
 630                         cprintf("%d %d\n", BINARY_FOLLOWS, (int)strlen(v));
 631                         client_write(v, strlen(v));
 632                 }
 633                 else {
 634                         cprintf("%d |\n", ERROR);
 635                 }
 636         }
 637
 638         // CONF PUTVAL - store configuration variables in the database
 639         else if (!strcasecmp(cmd, "PUTVAL")) {
 640                 if (num_tokens(argbuf, '|') < 3) {
 641                         cprintf("%d name and value required\n", ERROR);
 642                 }
 643                 else {
 644                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 645                         extract_token(buf, argbuf, 2, '|', sizeof buf);
 646                         CtdlSetConfigStr(confname, buf);
 647                         cprintf("%d setting '%s' to '%s'\n", CIT_OK, confname, buf);
 648                 }
 649         }
 650
 651         // CONF STOREVAL - store configuration variables in the database bigger than 1 KB
 652         else if (!strcasecmp(cmd, "STOREVAL")) {
 653                 if (num_tokens(argbuf, '|') < 3) {
 654                         cprintf("%d name and length required\n", ERROR);
 655                 }
 656                 else {
 657                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 658                         int bytes = extract_int(argbuf, 2);
 659                         char *valbuf = malloc(bytes + 1);
 660                         cprintf("%d %d\n", SEND_BINARY, bytes);
 661                         client_read(valbuf, bytes);
 662                         valbuf[bytes+1] = 0;
 663                         CtdlSetConfigStr(confname, valbuf);
 664                         free(valbuf);
 665                 }
 666         }
 667
 668         // CONF LISTVAL - list configuration variables in the database and their values
 669         else if (!strcasecmp(cmd, "LISTVAL")) {
 670                 struct cdbdata *cdbcfg;
 671                 int keylen = 0;
 672                 char *key = NULL;
 673                 char *value = NULL;
 674
 675                 cprintf("%d all configuration variables\n", LISTING_FOLLOWS);
 676                 cdb_rewind(CDB_CONFIG);
 677                 while (cdbcfg = cdb_next_item(CDB_CONFIG), cdbcfg != NULL) {
 678                         if (cdbcfg->len < 1020) {
 679                                 keylen = strlen(cdbcfg->ptr);
 680                                 key = cdbcfg->ptr;
 681                                 value = cdbcfg->ptr + keylen + 1;
 682                                 cprintf("%s|%s\n", key, value);
 683                         }
 684                         cdb_free(cdbcfg);
 685                 }
 686                 cprintf("000\n");
 687         }
 688
 689         else {
 690                 cprintf("%d Illegal option(s) specified.\n", ERROR + ILLEGAL_VALUE);
 691         }
 692 }
 693
 694
 695 typedef struct __ConfType {
 696         ConstStr Name;
 697         long Type;
 698 }ConfType;
 699
 700 ConfType CfgNames[] = {
 701         { {HKEY("localhost") },    0},
 702         { {HKEY("directory") },    0},
 703         { {HKEY("smarthost") },    2},
 704         { {HKEY("fallbackhost") }, 2},
 705         { {HKEY("rbl") },          3},
 706         { {HKEY("spamassassin") }, 3},
 707         { {HKEY("masqdomain") },   1},
 708         { {HKEY("clamav") },       3},
 709         { {HKEY("notify") },       3},
 710         { {NULL, 0}, 0}
 711 };
 712
 713 HashList *CfgNameHash = NULL;
 714 void cmd_gvdn(char *argbuf)
 715 {
 716         const ConfType *pCfg;
 717         char *confptr;
 718         long min = atol(argbuf);
 719         const char *Pos = NULL;
 720         const char *PPos = NULL;
 721         const char *HKey;
 722         long HKLen;
 723         StrBuf *Line;
 724         StrBuf *Config;
 725         StrBuf *Cfg;
 726         StrBuf *CfgToken;
 727         HashList *List;
 728         HashPos *It;
 729         void *vptr;
 730
 731         List = NewHash(1, NULL);
 732         Cfg = NewStrBufPlain(CtdlGetConfigStr("c_fqdn"), -1);
 733         Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 734         Cfg = NULL;
 735
 736         confptr = CtdlGetSysConfig(INTERNETCFG);
 737         Config = NewStrBufPlain(confptr, -1);
 738         free(confptr);
 739
 740         Line = NewStrBufPlain(NULL, StrLength(Config));
 741         CfgToken = NewStrBufPlain(NULL, StrLength(Config));
 742         while (StrBufSipLine(Line, Config, &Pos))
 743         {
 744                 if (Cfg == NULL)
 745                         Cfg = NewStrBufPlain(NULL, StrLength(Line));
 746                 PPos = NULL;
 747                 StrBufExtract_NextToken(Cfg, Line, &PPos, '|');
 748                 StrBufExtract_NextToken(CfgToken, Line, &PPos, '|');
 749                 if (GetHash(CfgNameHash, SKEY(CfgToken), &vptr) &&
 750                     (vptr != NULL))
 751                 {
 752                         pCfg = (ConfType *) vptr;
 753                         if (pCfg->Type <= min)
 754                         {
 755                                 Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 756                                 Cfg = NULL;
 757                         }
 758                 }
 759         }
 760
 761         cprintf("%d Valid Domains\n", LISTING_FOLLOWS);
 762         It = GetNewHashPos(List, 1);
 763         while (GetNextHashPos(List, It, &HKLen, &HKey, &vptr))
 764         {
 765                 cputbuf(vptr);
 766                 cprintf("\n");
 767         }
 768         cprintf("000\n");
 769
 770         DeleteHashPos(&It);
 771         DeleteHash(&List);
 772         FreeStrBuf(&Cfg);
 773         FreeStrBuf(&Line);
 774         FreeStrBuf(&CfgToken);
 775         FreeStrBuf(&Config);
 776 }
 777
 778 /*****************************************************************************/
 779 /*                      MODULE INITIALIZATION STUFF                          */
 780 /*****************************************************************************/
 781
 782 void control_cleanup(void)
 783 {
 784         DeleteHash(&CfgNameHash);
 785 }
 786 CTDL_MODULE_INIT(control)
 787 {
 788         if (!threading) {
 789                 int i;
 790
 791                 CfgNameHash = NewHash(1, NULL);
 792                 for (i = 0; CfgNames[i].Name.Key != NULL; i++)
 793                         Put(CfgNameHash, CKEY(CfgNames[i].Name), &CfgNames[i], reference_free_handler);
 794
 795                 CtdlRegisterProtoHook(cmd_gvdn, "GVDN", "get valid domain names");
 796                 CtdlRegisterProtoHook(cmd_conf, "CONF", "get/set system configuration");
 797                 CtdlRegisterCleanupHook(control_cleanup);
 798
 799         }
 800         /* return our id for the Log */
 801         return "control";
 802 }