citadel/server/control.c

   1 //
   2 // This module handles states which are global to the entire server.
   3 //
   4 // Copyright (c) 1987-2022 by the citadel.org team
   5 //
   6 // This program is open source software.  Use, duplication, or disclosure
   7 // is subject to the terms of the GNU General Public License, version 3.
   8
   9 #include <stdio.h>
  10 #include <sys/file.h>
  11 #include <libcitadel.h>
  12
  13 #include "ctdl_module.h"
  14 #include "config.h"
  15 #include "citserver.h"
  16 #include "user_ops.h"
  17
  18 long control_highest_user = 0;
  19
  20 /*
  21  * This is the legacy "control record" format for the message base.  If found
  22  * on disk, its contents will be migrated into the system configuration.  Never
  23  * change this.
  24  */
  25 struct legacy_ctrl_format {
  26         long MMhighest;                 /* highest message number in file   */
  27         unsigned MMflags;               /* Global system flags              */
  28         long MMnextuser;                /* highest user number on system    */
  29         long MMnextroom;                /* highest room number on system    */
  30         int MM_hosted_upgrade_level;    /* Server-hosted upgrade level      */
  31         int MM_fulltext_wordbreaker;    /* ID of wordbreaker in use         */
  32         long MMfulltext;                /* highest message number indexed   */
  33         int MMdbversion;                /* Version of Berkeley DB used on previous server run */
  34 };
  35
  36
  37 /*
  38  * data that gets passed back and forth between control_find_highest() and its caller
  39  */
  40 struct cfh {
  41         long highest_roomnum_found;
  42         long highest_msgnum_found;
  43 };
  44
  45
  46 /*
  47  * Callback to get highest room number when rebuilding message base metadata
  48  *
  49  * sanity_diag_mode (can be set by -s flag at startup) may be:
  50  * 0 = attempt to fix inconsistencies
  51  * 1 = show inconsistencies but don't repair them, exit after complete
  52  * 2 = show inconsistencies but don't repair them, continue execution
  53  */
  54 void control_find_highest(struct ctdlroom *qrbuf, void *data) {
  55         struct cfh *cfh = (struct cfh *)data;
  56         struct cdbdata *cdbfr;
  57         long *msglist;
  58         int num_msgs=0;
  59         int c;
  60
  61         if (qrbuf->QRnumber > cfh->highest_roomnum_found) {
  62                 cfh->highest_roomnum_found = qrbuf->QRnumber;
  63         }
  64
  65         /* Load the message list */
  66         cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf->QRnumber, sizeof(long));
  67         if (cdbfr != NULL) {
  68                 msglist = (long *) cdbfr->ptr;
  69                 num_msgs = cdbfr->len / sizeof(long);
  70         }
  71         else {
  72                 return; /* No messages at all?  No further action. */
  73         }
  74
  75         if (num_msgs > 0) {
  76                 for (c=0; c<num_msgs; c++) {
  77                         if (msglist[c] > cfh->highest_msgnum_found) {
  78                                 cfh->highest_msgnum_found = msglist[c];
  79                         }
  80                 }
  81         }
  82
  83         cdb_free(cdbfr);
  84 }
  85
  86
  87 /*
  88  * Callback to get highest user number.
  89  */
  90 void control_find_user(char *username, void *out_data) {
  91         struct ctdluser EachUser;
  92
  93         if (CtdlGetUser(&EachUser, username) != 0) {
  94                 return;
  95         }
  96
  97         if (EachUser.usernum > CtdlGetConfigLong("MMnextuser")) {
  98                 syslog(LOG_DEBUG, "control: fixing MMnextuser %ld > %ld , found in %s",
  99                         EachUser.usernum, CtdlGetConfigLong("MMnextuser"), EachUser.fullname
 100                 );
 101                 if (!sanity_diag_mode) {
 102                         CtdlSetConfigLong("MMnextuser", EachUser.usernum);
 103                 }
 104         }
 105 }
 106
 107
 108 /*
 109  * If we have a legacy format control record on disk, import it.
 110  */
 111 void migrate_legacy_control_record(void) {
 112         FILE *fp = NULL;
 113         struct legacy_ctrl_format c;
 114         memset(&c, 0, sizeof(c));
 115
 116         fp = fopen("citadel.control", "rb+");
 117         if (fp != NULL) {
 118                 syslog(LOG_INFO, "control: legacy format record found -- importing to db");
 119                 fread(&c, sizeof(struct legacy_ctrl_format), 1, fp);
 120
 121                 CtdlSetConfigLong(      "MMhighest",                    c.MMhighest);
 122                 CtdlSetConfigInt(       "MMflags",                      c.MMflags);
 123                 CtdlSetConfigLong(      "MMnextuser",                   c.MMnextuser);
 124                 CtdlSetConfigLong(      "MMnextroom",                   c.MMnextroom);
 125                 CtdlSetConfigInt(       "MM_hosted_upgrade_level",      c.MM_hosted_upgrade_level);
 126                 CtdlSetConfigInt(       "MM_fulltext_wordbreaker",      c.MM_fulltext_wordbreaker);
 127                 CtdlSetConfigLong(      "MMfulltext",                   c.MMfulltext);
 128
 129                 fclose(fp);
 130                 if (unlink("citadel.control") != 0) {
 131                         fprintf(stderr, "Unable to remove legacy control record after migrating it.\n");
 132                         fprintf(stderr, "Exiting to prevent data corruption.\n");
 133                         exit(CTDLEXIT_CONFIG);
 134                 }
 135         }
 136 }
 137
 138
 139 /*
 140  * check_control   -  check the control record has sensible values for message, user and room numbers
 141  */
 142 void check_control(void) {
 143
 144         syslog(LOG_INFO, "control: sanity checking the recorded highest message and room numbers");
 145         struct cfh cfh;
 146         memset(&cfh, 0, sizeof(struct cfh));
 147         CtdlForEachRoom(control_find_highest, &cfh);
 148
 149         if (cfh.highest_roomnum_found > CtdlGetConfigLong("MMnextroom")) {
 150                 syslog(LOG_DEBUG, "control: fixing MMnextroom %ld > %ld", cfh.highest_roomnum_found, CtdlGetConfigLong("MMnextroom"));
 151                 if (!sanity_diag_mode) {
 152                         CtdlSetConfigLong("MMnextroom", cfh.highest_roomnum_found);
 153                 }
 154         }
 155
 156         if (cfh.highest_msgnum_found > CtdlGetConfigLong("MMhighest")) {
 157                 syslog(LOG_DEBUG, "control: fixing MMhighest %ld > %ld", cfh.highest_msgnum_found, CtdlGetConfigLong("MMhighest"));
 158                 if (!sanity_diag_mode) {
 159                         CtdlSetConfigLong("MMhighest", cfh.highest_msgnum_found);
 160                 }
 161         }
 162
 163         syslog(LOG_INFO, "control: sanity checking the recorded highest user number");
 164         ForEachUser(control_find_user, NULL);
 165
 166         syslog(LOG_INFO, "control: sanity checks complete");
 167
 168         if (sanity_diag_mode == 1) {
 169                 syslog(LOG_INFO, "control: sanity check diagnostic mode is active - exiting now");
 170                 abort();
 171         }
 172 }
 173
 174
 175 /*
 176  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
 177  */
 178 long get_new_message_number(void)
 179 {
 180         long retval = 0L;
 181         begin_critical_section(S_CONTROL);
 182         retval = CtdlGetConfigLong("MMhighest");
 183         ++retval;
 184         CtdlSetConfigLong("MMhighest", retval);
 185         end_critical_section(S_CONTROL);
 186         return(retval);
 187 }
 188
 189
 190 /*
 191  * CtdlGetCurrentMessageNumber()  -  Obtain the current highest message number in the system
 192  * This provides a quick way to initialize a variable that might be used to indicate
 193  * messages that should not be processed.   For example, an inbox rules script will use this
 194  * to record determine that messages older than this should not be processed.
 195  *
 196  * (Why is this function here?  Can't we just go straight to the config variable it fetches?)
 197  */
 198 long CtdlGetCurrentMessageNumber(void)
 199 {
 200         return CtdlGetConfigLong("MMhighest");
 201 }
 202
 203
 204 /*
 205  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
 206  */
 207 long get_new_user_number(void)
 208 {
 209         long retval = 0L;
 210         begin_critical_section(S_CONTROL);
 211         retval = CtdlGetConfigLong("MMnextuser");
 212         ++retval;
 213         CtdlSetConfigLong("MMnextuser", retval);
 214         end_critical_section(S_CONTROL);
 215         return(retval);
 216 }
 217
 218
 219 /*
 220  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 221  */
 222 long get_new_room_number(void)
 223 {
 224         long retval = 0L;
 225         begin_critical_section(S_CONTROL);
 226         retval = CtdlGetConfigLong("MMnextroom");
 227         ++retval;
 228         CtdlSetConfigLong("MMnextroom", retval);
 229         end_critical_section(S_CONTROL);
 230         return(retval);
 231 }
 232
 233
 234 /*
 235  * Helper function for cmd_conf() to handle boolean values
 236  */
 237 int confbool(char *v)
 238 {
 239         if (IsEmptyStr(v)) return(0);
 240         if (atoi(v) != 0) return(1);
 241         return(0);
 242 }
 243
 244
 245 /*
 246  * Get or set global configuration options
 247  */
 248 void cmd_conf(char *argbuf)
 249 {
 250         char cmd[16];
 251         char buf[1024];
 252         int a, i;
 253         long ii;
 254         char *confptr;
 255         char confname[128];
 256
 257         if (CtdlAccessCheck(ac_aide)) return;
 258
 259         extract_token(cmd, argbuf, 0, '|', sizeof cmd);
 260
 261         // CONF GET - retrieve system configuration in legacy format
 262         // This is deprecated; please do not add fields or change their order.
 263         if (!strcasecmp(cmd, "GET")) {
 264                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 265                 cprintf("%s\n",         CtdlGetConfigStr("c_nodename"));
 266                 cprintf("%s\n",         CtdlGetConfigStr("c_fqdn"));
 267                 cprintf("%s\n",         CtdlGetConfigStr("c_humannode"));
 268                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 269                 cprintf("%d\n",         CtdlGetConfigInt("c_creataide"));
 270                 cprintf("%d\n",         CtdlGetConfigInt("c_sleeping"));
 271                 cprintf("%d\n",         CtdlGetConfigInt("c_initax"));
 272                 cprintf("%d\n",         CtdlGetConfigInt("c_regiscall"));
 273                 cprintf("%d\n",         CtdlGetConfigInt("c_twitdetect"));
 274                 cprintf("%s\n",         CtdlGetConfigStr("c_twitroom"));
 275                 cprintf("%s\n",         CtdlGetConfigStr("c_moreprompt"));
 276                 cprintf("%d\n",         CtdlGetConfigInt("c_restrict"));
 277                 cprintf("%s\n",         CtdlGetConfigStr("c_site_location"));
 278                 cprintf("%s\n",         CtdlGetConfigStr("c_sysadm"));
 279                 cprintf("%d\n",         CtdlGetConfigInt("c_maxsessions"));
 280                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 281                 cprintf("%d\n",         CtdlGetConfigInt("c_userpurge"));
 282                 cprintf("%d\n",         CtdlGetConfigInt("c_roompurge"));
 283                 cprintf("%s\n",         CtdlGetConfigStr("c_logpages"));
 284                 cprintf("%d\n",         CtdlGetConfigInt("c_createax"));
 285                 cprintf("%ld\n",        CtdlGetConfigLong("c_maxmsglen"));
 286                 cprintf("%d\n",         CtdlGetConfigInt("c_min_workers"));
 287                 cprintf("%d\n",         CtdlGetConfigInt("c_max_workers"));
 288                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3_port"));
 289                 cprintf("%d\n",         CtdlGetConfigInt("c_smtp_port"));
 290                 cprintf("%d\n",         CtdlGetConfigInt("c_rfc822_strict_from"));
 291                 cprintf("%d\n",         CtdlGetConfigInt("c_aide_zap"));
 292                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_port"));
 293                 cprintf("%ld\n",        CtdlGetConfigLong("c_net_freq"));
 294                 cprintf("%d\n",         CtdlGetConfigInt("c_disable_newu"));
 295                 cprintf("1\n"); /* niu */
 296                 cprintf("%d\n",         CtdlGetConfigInt("c_purge_hour"));
 297                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_host"));
 298                 cprintf("%d\n",         CtdlGetConfigInt("c_ldap_port"));
 299                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_base_dn"));
 300                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_dn"));
 301                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_pw"));
 302                 cprintf("%s\n",         CtdlGetConfigStr("c_ip_addr"));
 303                 cprintf("%d\n",         CtdlGetConfigInt("c_msa_port"));
 304                 cprintf("%d\n",         CtdlGetConfigInt("c_imaps_port"));
 305                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3s_port"));
 306                 cprintf("%d\n",         CtdlGetConfigInt("c_smtps_port"));
 307                 cprintf("%d\n",         CtdlGetConfigInt("c_enable_fulltext"));
 308                 cprintf("%d\n",         CtdlGetConfigInt("c_auto_cull"));
 309                 cprintf("1\n");
 310                 cprintf("%d\n",         CtdlGetConfigInt("c_allow_spoofing"));
 311                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_email"));
 312                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_pubmsgs"));
 313                 cprintf("%s\n",         CtdlGetConfigStr("c_journal_dest"));
 314                 cprintf("%s\n",         CtdlGetConfigStr("c_default_cal_zone"));
 315                 cprintf("%d\n",         CtdlGetConfigInt("c_pftcpdict_port"));
 316                 cprintf("0\n");
 317                 cprintf("%d\n",         CtdlGetConfigInt("c_auth_mode"));
 318                 cprintf("\n");
 319                 cprintf("\n");
 320                 cprintf("\n");
 321                 cprintf("\n");
 322                 cprintf("%d\n",         CtdlGetConfigInt("c_rbl_at_greeting"));
 323                 cprintf("\n");
 324                 cprintf("\n");
 325                 cprintf("%s\n",         CtdlGetConfigStr("c_pager_program"));
 326                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_keep_from"));
 327                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_c2s_port"));
 328                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_s2s_port"));
 329                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fetch"));
 330                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fastest"));
 331                 cprintf("%d\n",         CtdlGetConfigInt("c_spam_flag_only"));
 332                 cprintf("%d\n",         CtdlGetConfigInt("c_guest_logins"));
 333                 cprintf("%d\n",         CtdlGetConfigInt("c_port_number"));
 334                 cprintf("%d\n",         ctdluid);
 335                 cprintf("%d\n",         CtdlGetConfigInt("c_nntp_port"));
 336                 cprintf("%d\n",         CtdlGetConfigInt("c_nntps_port"));
 337                 cprintf("000\n");
 338         }
 339
 340         // CONF SET - set system configuration in legacy format
 341         // This is deprecated; please do not add fields or change their order.
 342         else if (!strcasecmp(cmd, "SET")) {
 343                 unbuffer_output();
 344                 cprintf("%d Send configuration...\n", SEND_LISTING);
 345                 a = 0;
 346                 while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
 347                         switch (a) {
 348                         case 0:
 349                                 CtdlSetConfigStr("c_nodename", buf);
 350                                 break;
 351                         case 1:
 352                                 CtdlSetConfigStr("c_fqdn", buf);
 353                                 break;
 354                         case 2:
 355                                 CtdlSetConfigStr("c_humannode", buf);
 356                                 break;
 357                         case 3:
 358                                 /* placeholder -- field no longer in use */
 359                                 break;
 360                         case 4:
 361                                 CtdlSetConfigInt("c_creataide", confbool(buf));
 362                                 break;
 363                         case 5:
 364                                 CtdlSetConfigInt("c_sleeping", atoi(buf));
 365                                 break;
 366                         case 6:
 367                                 i = atoi(buf);
 368                                 if (i < 1) i = 1;
 369                                 if (i > 6) i = 6;
 370                                 CtdlSetConfigInt("c_initax", i);
 371                                 break;
 372                         case 7:
 373                                 CtdlSetConfigInt("c_regiscall", confbool(buf));
 374                                 break;
 375                         case 8:
 376                                 CtdlSetConfigInt("c_twitdetect", confbool(buf));
 377                                 break;
 378                         case 9:
 379                                 CtdlSetConfigStr("c_twitroom", buf);
 380                                 break;
 381                         case 10:
 382                                 CtdlSetConfigStr("c_moreprompt", buf);
 383                                 break;
 384                         case 11:
 385                                 CtdlSetConfigInt("c_restrict", confbool(buf));
 386                                 break;
 387                         case 12:
 388                                 CtdlSetConfigStr("c_site_location", buf);
 389                                 break;
 390                         case 13:
 391                                 CtdlSetConfigStr("c_sysadm", buf);
 392                                 break;
 393                         case 14:
 394                                 i = atoi(buf);
 395                                 if (i < 0) i = 0;
 396                                 CtdlSetConfigInt("c_maxsessions", i);
 397                                 break;
 398                         case 15:
 399                                 /* placeholder -- field no longer in use */
 400                                 break;
 401                         case 16:
 402                                 CtdlSetConfigInt("c_userpurge", atoi(buf));
 403                                 break;
 404                         case 17:
 405                                 CtdlSetConfigInt("c_roompurge", atoi(buf));
 406                                 break;
 407                         case 18:
 408                                 CtdlSetConfigStr("c_logpages", buf);
 409                                 break;
 410                         case 19:
 411                                 i = atoi(buf);
 412                                 if (i < 1) i = 1;
 413                                 if (i > 6) i = 6;
 414                                 CtdlSetConfigInt("c_createax", i);
 415                                 break;
 416                         case 20:
 417                                 ii = atol(buf);
 418                                 if (ii >= 8192) {
 419                                         CtdlSetConfigLong("c_maxmsglen", ii);
 420                                 }
 421                                 break;
 422                         case 21:
 423                                 i = atoi(buf);
 424                                 if (i >= 3) {                                   // minimum value
 425                                         CtdlSetConfigInt("c_min_workers", i);
 426                                 }
 427                                 break;
 428                         case 22:
 429                                 i = atoi(buf);
 430                                 if (i >= CtdlGetConfigInt("c_min_workers")) {   // max must be >= min
 431                                         CtdlSetConfigInt("c_max_workers", i);
 432                                 }
 433                                 break;
 434                         case 23:
 435                                 CtdlSetConfigInt("c_pop3_port", atoi(buf));
 436                                 break;
 437                         case 24:
 438                                 CtdlSetConfigInt("c_smtp_port", atoi(buf));
 439                                 break;
 440                         case 25:
 441                                 CtdlSetConfigInt("c_rfc822_strict_from", atoi(buf));
 442                                 break;
 443                         case 26:
 444                                 CtdlSetConfigInt("c_aide_zap", confbool(buf));
 445                                 break;
 446                         case 27:
 447                                 CtdlSetConfigInt("c_imap_port", atoi(buf));
 448                                 break;
 449                         case 28:
 450                                 CtdlSetConfigLong("c_net_freq", atol(buf));
 451                                 break;
 452                         case 29:
 453                                 CtdlSetConfigInt("c_disable_newu", confbool(buf));
 454                                 break;
 455                         case 30:
 456                                 /* niu */
 457                                 break;
 458                         case 31:
 459                                 i = atoi(buf);
 460                                 if ((i >= 0) && (i <= 23)) {
 461                                         CtdlSetConfigInt("c_purge_hour", i);
 462                                 }
 463                                 break;
 464                         case 32:
 465                                 CtdlSetConfigStr("c_ldap_host", buf);
 466                                 break;
 467                         case 33:
 468                                 CtdlSetConfigInt("c_ldap_port", atoi(buf));
 469                                 break;
 470                         case 34:
 471                                 CtdlSetConfigStr("c_ldap_base_dn", buf);
 472                                 break;
 473                         case 35:
 474                                 CtdlSetConfigStr("c_ldap_bind_dn", buf);
 475                                 break;
 476                         case 36:
 477                                 CtdlSetConfigStr("c_ldap_bind_pw", buf);
 478                                 break;
 479                         case 37:
 480                                 CtdlSetConfigStr("c_ip_addr", buf);
 481                                 break;
 482                         case 38:
 483                                 CtdlSetConfigInt("c_msa_port", atoi(buf));
 484                                 break;
 485                         case 39:
 486                                 CtdlSetConfigInt("c_imaps_port", atoi(buf));
 487                                 break;
 488                         case 40:
 489                                 CtdlSetConfigInt("c_pop3s_port", atoi(buf));
 490                                 break;
 491                         case 41:
 492                                 CtdlSetConfigInt("c_smtps_port", atoi(buf));
 493                                 break;
 494                         case 42:
 495                                 CtdlSetConfigInt("c_enable_fulltext", confbool(buf));
 496                                 break;
 497                         case 43:
 498                                 CtdlSetConfigInt("c_auto_cull", confbool(buf));
 499                                 break;
 500                         case 44:
 501                                 /* niu */
 502                                 break;
 503                         case 45:
 504                                 CtdlSetConfigInt("c_allow_spoofing", confbool(buf));
 505                                 break;
 506                         case 46:
 507                                 CtdlSetConfigInt("c_journal_email", confbool(buf));
 508                                 break;
 509                         case 47:
 510                                 CtdlSetConfigInt("c_journal_pubmsgs", confbool(buf));
 511                                 break;
 512                         case 48:
 513                                 CtdlSetConfigStr("c_journal_dest", buf);
 514                                 break;
 515                         case 49:
 516                                 CtdlSetConfigStr("c_default_cal_zone", buf);
 517                                 break;
 518                         case 50:
 519                                 CtdlSetConfigInt("c_pftcpdict_port", atoi(buf));
 520                                 break;
 521                         case 51:
 522                                 /* niu */
 523                                 break;
 524                         case 52:
 525                                 CtdlSetConfigInt("c_auth_mode", atoi(buf));
 526                                 break;
 527                         case 53:
 528                                 /* niu */
 529                                 break;
 530                         case 54:
 531                                 /* niu */
 532                                 break;
 533                         case 55:
 534                                 /* niu */
 535                                 break;
 536                         case 56:
 537                                 /* niu */
 538                                 break;
 539                         case 57:
 540                                 CtdlSetConfigInt("c_rbl_at_greeting", confbool(buf));
 541                                 break;
 542                         case 58:
 543                                 /* niu */
 544                                 break;
 545                         case 59:
 546                                 /* niu */
 547                                 break;
 548                         case 60:
 549                                 CtdlSetConfigStr("c_pager_program", buf);
 550                                 break;
 551                         case 61:
 552                                 CtdlSetConfigInt("c_imap_keep_from", confbool(buf));
 553                                 break;
 554                         case 62:
 555                                 CtdlSetConfigInt("c_xmpp_c2s_port", atoi(buf));
 556                                 break;
 557                         case 63:
 558                                 CtdlSetConfigInt("c_xmpp_s2s_port", atoi(buf));
 559                                 break;
 560                         case 64:
 561                                 CtdlSetConfigLong("c_pop3_fetch", atol(buf));
 562                                 break;
 563                         case 65:
 564                                 CtdlSetConfigLong("c_pop3_fastest", atol(buf));
 565                                 break;
 566                         case 66:
 567                                 CtdlSetConfigInt("c_spam_flag_only", confbool(buf));
 568                                 break;
 569                         case 67:
 570                                 CtdlSetConfigInt("c_guest_logins", confbool(buf));
 571                                 break;
 572                         case 68:
 573                                 CtdlSetConfigInt("c_port_number", atoi(buf));
 574                                 break;
 575                         case 69:
 576                                 /* niu */
 577                                 break;
 578                         case 70:
 579                                 CtdlSetConfigInt("c_nntp_port", atoi(buf));
 580                                 break;
 581                         case 71:
 582                                 CtdlSetConfigInt("c_nntps_port", atoi(buf));
 583                                 break;
 584                         }
 585                         ++a;
 586                 }
 587                 snprintf(buf, sizeof buf,
 588                         "The global system configuration has been edited by %s.\n",
 589                          (CC->logged_in ? CC->curr_user : "an administrator")
 590                 );
 591                 CtdlAideMessage(buf, "Citadel Configuration Manager Message");
 592
 593                 if (!IsEmptyStr(CtdlGetConfigStr("c_logpages")))
 594                         CtdlCreateRoom(CtdlGetConfigStr("c_logpages"), 3, "", 0, 1, 1, VIEW_BBS);
 595
 596                 /* If full text indexing has been disabled, invalidate the
 597                  * index so it doesn't try to use it later.
 598                  */
 599                 if (CtdlGetConfigInt("c_enable_fulltext") == 0) {
 600                         CtdlSetConfigInt("MM_fulltext_wordbreaker", 0);
 601                 }
 602         }
 603
 604         // CONF GETSYS - retrieve arbitrary system configuration stanzas stored in the message base
 605         else if (!strcasecmp(cmd, "GETSYS")) {
 606                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 607                 confptr = CtdlGetSysConfig(confname);
 608                 if (confptr != NULL) {
 609                         long len;
 610
 611                         len = strlen(confptr);
 612                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 613                         client_write(confptr, len);
 614                         if ((len > 0) && (confptr[len - 1] != 10))
 615                                 client_write("\n", 1);
 616                         cprintf("000\n");
 617                         free(confptr);
 618                 } else {
 619                         cprintf("%d No such configuration.\n",
 620                                 ERROR + ILLEGAL_VALUE);
 621                 }
 622         }
 623
 624         // CONF PUTSYS - store arbitrary system configuration stanzas in the message base
 625         else if (!strcasecmp(cmd, "PUTSYS")) {
 626                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 627                 unbuffer_output();
 628                 cprintf("%d %s\n", SEND_LISTING, confname);
 629                 confptr = CtdlReadMessageBody(HKEY("000"), CtdlGetConfigLong("c_maxmsglen"), NULL, 0);
 630                 CtdlPutSysConfig(confname, confptr);
 631                 free(confptr);
 632         }
 633
 634         // CONF GETVAL - retrieve configuration variables from the database
 635         // CONF LOADVAL - same thing but can handle variables bigger than 1 KB (deprecated and probably safe to remove)
 636         else if ( (!strcasecmp(cmd, "GETVAL")) || (!strcasecmp(cmd, "LOADVAL")) ) {
 637                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 638                 char *v = CtdlGetConfigStr(confname);
 639                 if ( (v) && (!strcasecmp(cmd, "GETVAL")) ) {
 640                         cprintf("%d %s|\n", CIT_OK, v);
 641                 }
 642                 else if ( (v) && (!strcasecmp(cmd, "LOADVAL")) ) {
 643                         cprintf("%d %d\n", BINARY_FOLLOWS, (int)strlen(v));
 644                         client_write(v, strlen(v));
 645                 }
 646                 else {
 647                         cprintf("%d |\n", ERROR);
 648                 }
 649         }
 650
 651         // CONF PUTVAL - store configuration variables in the database
 652         else if (!strcasecmp(cmd, "PUTVAL")) {
 653                 if (num_tokens(argbuf, '|') < 3) {
 654                         cprintf("%d name and value required\n", ERROR);
 655                 }
 656                 else {
 657                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 658                         extract_token(buf, argbuf, 2, '|', sizeof buf);
 659                         CtdlSetConfigStr(confname, buf);
 660                         cprintf("%d setting '%s' to '%s'\n", CIT_OK, confname, buf);
 661                 }
 662         }
 663
 664         // CONF STOREVAL - store configuration variables in the database bigger than 1 KB (deprecated and probably safe to remove)
 665         else if (!strcasecmp(cmd, "STOREVAL")) {
 666                 if (num_tokens(argbuf, '|') < 3) {
 667                         cprintf("%d name and length required\n", ERROR);
 668                 }
 669                 else {
 670                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 671                         int bytes = extract_int(argbuf, 2);
 672                         char *valbuf = malloc(bytes + 1);
 673                         cprintf("%d %d\n", SEND_BINARY, bytes);
 674                         client_read(valbuf, bytes);
 675                         valbuf[bytes+1] = 0;
 676                         CtdlSetConfigStr(confname, valbuf);
 677                         free(valbuf);
 678                 }
 679         }
 680
 681         // CONF LISTVAL - list configuration variables in the database and their values
 682         else if (!strcasecmp(cmd, "LISTVAL")) {
 683                 struct cdbdata *cdbcfg;
 684                 int keylen = 0;
 685                 char *key = NULL;
 686                 char *value = NULL;
 687
 688                 cprintf("%d all configuration variables\n", LISTING_FOLLOWS);
 689                 cdb_rewind(CDB_CONFIG);
 690                 while (cdbcfg = cdb_next_item(CDB_CONFIG), cdbcfg != NULL) {
 691                         if (cdbcfg->len < 1020) {
 692                                 keylen = strlen(cdbcfg->ptr);
 693                                 key = cdbcfg->ptr;
 694                                 value = cdbcfg->ptr + keylen + 1;
 695                                 cprintf("%s|%s\n", key, value);
 696                         }
 697                         cdb_free(cdbcfg);
 698                 }
 699                 cprintf("000\n");
 700         }
 701
 702         else {
 703                 cprintf("%d Illegal option(s) specified.\n", ERROR + ILLEGAL_VALUE);
 704         }
 705 }
 706
 707
 708 typedef struct __ConfType {
 709         ConstStr Name;
 710         long Type;
 711 }ConfType;
 712
 713 ConfType CfgNames[] = {
 714         { {HKEY("localhost") },    0},
 715         { {HKEY("directory") },    0},
 716         { {HKEY("smarthost") },    2},
 717         { {HKEY("fallbackhost") }, 2},
 718         { {HKEY("rbl") },          3},
 719         { {HKEY("spamassassin") }, 3},
 720         { {HKEY("masqdomain") },   1},
 721         { {HKEY("clamav") },       3},
 722         { {HKEY("notify") },       3},
 723         { {NULL, 0}, 0}
 724 };
 725
 726 HashList *CfgNameHash = NULL;
 727 void cmd_gvdn(char *argbuf)
 728 {
 729         const ConfType *pCfg;
 730         char *confptr;
 731         long min = atol(argbuf);
 732         const char *Pos = NULL;
 733         const char *PPos = NULL;
 734         const char *HKey;
 735         long HKLen;
 736         StrBuf *Line;
 737         StrBuf *Config;
 738         StrBuf *Cfg;
 739         StrBuf *CfgToken;
 740         HashList *List;
 741         HashPos *It;
 742         void *vptr;
 743
 744         List = NewHash(1, NULL);
 745         Cfg = NewStrBufPlain(CtdlGetConfigStr("c_fqdn"), -1);
 746         Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 747         Cfg = NULL;
 748
 749         confptr = CtdlGetSysConfig(INTERNETCFG);
 750         Config = NewStrBufPlain(confptr, -1);
 751         free(confptr);
 752
 753         Line = NewStrBufPlain(NULL, StrLength(Config));
 754         CfgToken = NewStrBufPlain(NULL, StrLength(Config));
 755         while (StrBufSipLine(Line, Config, &Pos))
 756         {
 757                 if (Cfg == NULL)
 758                         Cfg = NewStrBufPlain(NULL, StrLength(Line));
 759                 PPos = NULL;
 760                 StrBufExtract_NextToken(Cfg, Line, &PPos, '|');
 761                 StrBufExtract_NextToken(CfgToken, Line, &PPos, '|');
 762                 if (GetHash(CfgNameHash, SKEY(CfgToken), &vptr) &&
 763                     (vptr != NULL))
 764                 {
 765                         pCfg = (ConfType *) vptr;
 766                         if (pCfg->Type <= min)
 767                         {
 768                                 Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 769                                 Cfg = NULL;
 770                         }
 771                 }
 772         }
 773
 774         cprintf("%d Valid Domains\n", LISTING_FOLLOWS);
 775         It = GetNewHashPos(List, 1);
 776         while (GetNextHashPos(List, It, &HKLen, &HKey, &vptr))
 777         {
 778                 cputbuf(vptr);
 779                 cprintf("\n");
 780         }
 781         cprintf("000\n");
 782
 783         DeleteHashPos(&It);
 784         DeleteHash(&List);
 785         FreeStrBuf(&Cfg);
 786         FreeStrBuf(&Line);
 787         FreeStrBuf(&CfgToken);
 788         FreeStrBuf(&Config);
 789 }
 790
 791 /*****************************************************************************/
 792 /*                      MODULE INITIALIZATION STUFF                          */
 793 /*****************************************************************************/
 794
 795 char *ctdl_module_init_control(void) {
 796         if (!threading) {
 797                 int i;
 798
 799                 CfgNameHash = NewHash(1, NULL);
 800                 for (i = 0; CfgNames[i].Name.Key != NULL; i++)
 801                         Put(CfgNameHash, CKEY(CfgNames[i].Name), &CfgNames[i], reference_free_handler);
 802
 803                 CtdlRegisterProtoHook(cmd_gvdn, "GVDN", "get valid domain names");
 804                 CtdlRegisterProtoHook(cmd_conf, "CONF", "get/set system configuration");
 805         }
 806         /* return our id for the log */
 807         return "control";
 808 }