citadel/control.c

   1 /*
   2  * This module handles states which are global to the entire server.
   3  *
   4  * Copyright (c) 1987-2019 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  * sanity_diag_mode (can be set by -s flag at startup) may be:
  47  * 0 = attempt to fix inconsistencies
  48  * 1 = show inconsistencies but don't repair them, exit after complete
  49  * 2 = show inconsistencies but don't repair them, continue execution
  50  */
  51 void control_find_highest(struct ctdlroom *qrbuf, void *data)
  52 {
  53         struct ctdlroom room;
  54         struct cdbdata *cdbfr;
  55         long *msglist;
  56         int num_msgs=0;
  57         int c;
  58
  59         if (qrbuf->QRnumber > CtdlGetConfigLong("MMnextroom")) {
  60                 syslog(LOG_DEBUG, "control: fixing MMnextroom %ld > %ld , found in %s",
  61                         qrbuf->QRnumber, CtdlGetConfigLong("MMnextroom"), qrbuf->QRname
  62                 );
  63                 if (!sanity_diag_mode) {
  64                         CtdlSetConfigLong("MMnextroom", qrbuf->QRnumber);
  65                 }
  66         }
  67
  68         CtdlGetRoom(&room, qrbuf->QRname);
  69
  70         /* Load the message list */
  71         cdbfr = cdb_fetch(CDB_MSGLISTS, &room.QRnumber, sizeof(long));
  72         if (cdbfr != NULL) {
  73                 msglist = (long *) cdbfr->ptr;
  74                 num_msgs = cdbfr->len / sizeof(long);
  75         } else {
  76                 return; /* No messages at all?  No further action. */
  77         }
  78
  79         if (num_msgs > 0) {
  80                 for (c=0; c<num_msgs; c++) {
  81                         if (msglist[c] > CtdlGetConfigLong("MMhighest")) {
  82                                 syslog(LOG_DEBUG, "control: fixing MMhighest %ld > %ld , found in %s",
  83                                         msglist[c], CtdlGetConfigLong("MMhighest"), qrbuf->QRname
  84                                 );
  85                                 if (!sanity_diag_mode) {
  86                                         CtdlSetConfigLong("MMhighest", msglist[c]);
  87                                 }
  88                         }
  89                 }
  90         }
  91         cdb_free(cdbfr);
  92         return;
  93 }
  94
  95
  96 /*
  97  * Callback to get highest user number.
  98  */
  99 void control_find_user(char *username, void *out_data) {
 100         struct ctdluser EachUser;
 101
 102         if (CtdlGetUser(&EachUser, username) != 0) {
 103                 return;
 104         }
 105
 106         if (EachUser.usernum > CtdlGetConfigLong("MMnextuser")) {
 107                 syslog(LOG_DEBUG, "control: fixing MMnextuser %ld > %ld , found in %s",
 108                         EachUser.usernum, CtdlGetConfigLong("MMnextuser"), EachUser.fullname
 109                 );
 110                 if (!sanity_diag_mode) {
 111                         CtdlSetConfigLong("MMnextuser", EachUser.usernum);
 112                 }
 113         }
 114 }
 115
 116
 117 /*
 118  * If we have a legacy format control record on disk, import it.
 119  */
 120 void migrate_legacy_control_record(void)
 121 {
 122         FILE *fp = NULL;
 123         struct legacy_ctrl_format c;
 124         memset(&c, 0, sizeof(c));
 125
 126         fp = fopen(file_citadel_control, "rb+");
 127         if (fp != NULL) {
 128                 syslog(LOG_INFO, "control: legacy format record found -- importing to db");
 129                 fread(&c, sizeof(struct legacy_ctrl_format), 1, fp);
 130
 131                 CtdlSetConfigLong(      "MMhighest",                    c.MMhighest);
 132                 CtdlSetConfigInt(       "MMflags",                      c.MMflags);
 133                 CtdlSetConfigLong(      "MMnextuser",                   c.MMnextuser);
 134                 CtdlSetConfigLong(      "MMnextroom",                   c.MMnextroom);
 135                 CtdlSetConfigInt(       "MM_hosted_upgrade_level",      c.MM_hosted_upgrade_level);
 136                 CtdlSetConfigInt(       "MM_fulltext_wordbreaker",      c.MM_fulltext_wordbreaker);
 137                 CtdlSetConfigLong(      "MMfulltext",                   c.MMfulltext);
 138
 139                 fclose(fp);
 140                 if (unlink(file_citadel_control) != 0) {
 141                         fprintf(stderr, "Unable to remove legacy control record %s after migrating it.\n", file_citadel_control);
 142                         fprintf(stderr, "Exiting to prevent data corruption.\n");
 143                         exit(CTDLEXIT_CONFIG);
 144                 }
 145         }
 146 }
 147
 148
 149 /*
 150  * check_control   -  check the control record has sensible values for message, user and room numbers
 151  */
 152 void check_control(void)
 153 {
 154         syslog(LOG_INFO, "control: sanity checking the recorded highest message and room numbers");
 155         CtdlForEachRoom(control_find_highest, NULL);
 156         syslog(LOG_INFO, "control: sanity checking the recorded highest user number");
 157         ForEachUser(control_find_user, NULL);
 158         syslog(LOG_INFO, "control: sanity checks complete");
 159         if (sanity_diag_mode == 1) {
 160                 syslog(LOG_INFO, "control: sanity check diagnostic mode is active - exiting now");
 161                 abort();
 162         }
 163 }
 164
 165
 166 /*
 167  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
 168  */
 169 long get_new_message_number(void)
 170 {
 171         long retval = 0L;
 172         begin_critical_section(S_CONTROL);
 173         retval = CtdlGetConfigLong("MMhighest");
 174         ++retval;
 175         CtdlSetConfigLong("MMhighest", retval);
 176         end_critical_section(S_CONTROL);
 177         return(retval);
 178 }
 179
 180
 181 /*
 182  * CtdlGetCurrentMessageNumber()  -  Obtain the current highest message number in the system
 183  * This provides a quick way to initialise a variable that might be used to indicate
 184  * messages that should not be processed. EG. a new Sieve script will use this
 185  * to record determine that messages older than this should not be processed.
 186  *
 187  * (Why is this function here?  Can't we just go straight to the config variable it fetches?)
 188  */
 189 long CtdlGetCurrentMessageNumber(void)
 190 {
 191         return CtdlGetConfigLong("MMhighest");
 192 }
 193
 194
 195 /*
 196  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
 197  */
 198 long get_new_user_number(void)
 199 {
 200         long retval = 0L;
 201         begin_critical_section(S_CONTROL);
 202         retval = CtdlGetConfigLong("MMnextuser");
 203         ++retval;
 204         CtdlSetConfigLong("MMnextuser", retval);
 205         end_critical_section(S_CONTROL);
 206         return(retval);
 207 }
 208
 209
 210 /*
 211  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 212  */
 213 long get_new_room_number(void)
 214 {
 215         long retval = 0L;
 216         begin_critical_section(S_CONTROL);
 217         retval = CtdlGetConfigLong("MMnextroom");
 218         ++retval;
 219         CtdlSetConfigLong("MMnextroom", retval);
 220         end_critical_section(S_CONTROL);
 221         return(retval);
 222 }
 223
 224
 225 /*
 226  * Helper function for cmd_conf() to handle boolean values
 227  */
 228 int confbool(char *v)
 229 {
 230         if (IsEmptyStr(v)) return(0);
 231         if (atoi(v) != 0) return(1);
 232         return(0);
 233 }
 234
 235
 236 /*
 237  * Get or set global configuration options
 238  */
 239 void cmd_conf(char *argbuf)
 240 {
 241         char cmd[16];
 242         char buf[1024];
 243         int a, i;
 244         long ii;
 245         char *confptr;
 246         char confname[128];
 247
 248         if (CtdlAccessCheck(ac_aide)) return;
 249
 250         extract_token(cmd, argbuf, 0, '|', sizeof cmd);
 251
 252         // CONF GET - retrieve system configuration in legacy format
 253         // This is deprecated; please do not add fields or change their order.
 254         if (!strcasecmp(cmd, "GET")) {
 255                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 256                 cprintf("%s\n",         CtdlGetConfigStr("c_nodename"));
 257                 cprintf("%s\n",         CtdlGetConfigStr("c_fqdn"));
 258                 cprintf("%s\n",         CtdlGetConfigStr("c_humannode"));
 259                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 260                 cprintf("%d\n",         CtdlGetConfigInt("c_creataide"));
 261                 cprintf("%d\n",         CtdlGetConfigInt("c_sleeping"));
 262                 cprintf("%d\n",         CtdlGetConfigInt("c_initax"));
 263                 cprintf("%d\n",         CtdlGetConfigInt("c_regiscall"));
 264                 cprintf("%d\n",         CtdlGetConfigInt("c_twitdetect"));
 265                 cprintf("%s\n",         CtdlGetConfigStr("c_twitroom"));
 266                 cprintf("%s\n",         CtdlGetConfigStr("c_moreprompt"));
 267                 cprintf("%d\n",         CtdlGetConfigInt("c_restrict"));
 268                 cprintf("%s\n",         CtdlGetConfigStr("c_site_location"));
 269                 cprintf("%s\n",         CtdlGetConfigStr("c_sysadm"));
 270                 cprintf("%d\n",         CtdlGetConfigInt("c_maxsessions"));
 271                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 272                 cprintf("%d\n",         CtdlGetConfigInt("c_userpurge"));
 273                 cprintf("%d\n",         CtdlGetConfigInt("c_roompurge"));
 274                 cprintf("%s\n",         CtdlGetConfigStr("c_logpages"));
 275                 cprintf("%d\n",         CtdlGetConfigInt("c_createax"));
 276                 cprintf("%ld\n",        CtdlGetConfigLong("c_maxmsglen"));
 277                 cprintf("%d\n",         CtdlGetConfigInt("c_min_workers"));
 278                 cprintf("%d\n",         CtdlGetConfigInt("c_max_workers"));
 279                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3_port"));
 280                 cprintf("%d\n",         CtdlGetConfigInt("c_smtp_port"));
 281                 cprintf("%d\n",         CtdlGetConfigInt("c_rfc822_strict_from"));
 282                 cprintf("%d\n",         CtdlGetConfigInt("c_aide_zap"));
 283                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_port"));
 284                 cprintf("%ld\n",        CtdlGetConfigLong("c_net_freq"));
 285                 cprintf("%d\n",         CtdlGetConfigInt("c_disable_newu"));
 286                 cprintf("1\n"); /* niu */
 287                 cprintf("%d\n",         CtdlGetConfigInt("c_purge_hour"));
 288 #ifdef HAVE_LDAP
 289                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_host"));
 290                 cprintf("%d\n",         CtdlGetConfigInt("c_ldap_port"));
 291                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_base_dn"));
 292                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_dn"));
 293                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_pw"));
 294 #else
 295                 cprintf("\n");
 296                 cprintf("0\n");
 297                 cprintf("\n");
 298                 cprintf("\n");
 299                 cprintf("\n");
 300 #endif
 301                 cprintf("%s\n",         CtdlGetConfigStr("c_ip_addr"));
 302                 cprintf("%d\n",         CtdlGetConfigInt("c_msa_port"));
 303                 cprintf("%d\n",         CtdlGetConfigInt("c_imaps_port"));
 304                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3s_port"));
 305                 cprintf("%d\n",         CtdlGetConfigInt("c_smtps_port"));
 306                 cprintf("%d\n",         CtdlGetConfigInt("c_enable_fulltext"));
 307                 cprintf("%d\n",         CtdlGetConfigInt("c_auto_cull"));
 308                 cprintf("1\n");
 309                 cprintf("%d\n",         CtdlGetConfigInt("c_allow_spoofing"));
 310                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_email"));
 311                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_pubmsgs"));
 312                 cprintf("%s\n",         CtdlGetConfigStr("c_journal_dest"));
 313                 cprintf("%s\n",         CtdlGetConfigStr("c_default_cal_zone"));
 314                 cprintf("%d\n",         CtdlGetConfigInt("c_pftcpdict_port"));
 315                 cprintf("0\n");
 316                 cprintf("%d\n",         CtdlGetConfigInt("c_auth_mode"));
 317                 cprintf("\n");
 318                 cprintf("\n");
 319                 cprintf("\n");
 320                 cprintf("\n");
 321                 cprintf("%d\n",         CtdlGetConfigInt("c_rbl_at_greeting"));
 322                 cprintf("\n");
 323                 cprintf("\n");
 324                 cprintf("%s\n",         CtdlGetConfigStr("c_pager_program"));
 325                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_keep_from"));
 326                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_c2s_port"));
 327                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_s2s_port"));
 328                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fetch"));
 329                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fastest"));
 330                 cprintf("%d\n",         CtdlGetConfigInt("c_spam_flag_only"));
 331                 cprintf("%d\n",         CtdlGetConfigInt("c_guest_logins"));
 332                 cprintf("%d\n",         CtdlGetConfigInt("c_port_number"));
 333                 cprintf("%d\n",         ctdluid);
 334                 cprintf("%d\n",         CtdlGetConfigInt("c_nntp_port"));
 335                 cprintf("%d\n",         CtdlGetConfigInt("c_nntps_port"));
 336                 cprintf("000\n");
 337         }
 338
 339         // CONF SET - set system configuration in legacy format
 340         // This is deprecated; please do not add fields or change their order.
 341         else if (!strcasecmp(cmd, "SET")) {
 342                 unbuffer_output();
 343                 cprintf("%d Send configuration...\n", SEND_LISTING);
 344                 a = 0;
 345                 while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
 346                         switch (a) {
 347                         case 0:
 348                                 CtdlSetConfigStr("c_nodename", buf);
 349                                 break;
 350                         case 1:
 351                                 CtdlSetConfigStr("c_fqdn", buf);
 352                                 break;
 353                         case 2:
 354                                 CtdlSetConfigStr("c_humannode", buf);
 355                                 break;
 356                         case 3:
 357                                 /* placeholder -- field no longer in use */
 358                                 break;
 359                         case 4:
 360                                 CtdlSetConfigInt("c_creataide", confbool(buf));
 361                                 break;
 362                         case 5:
 363                                 CtdlSetConfigInt("c_sleeping", atoi(buf));
 364                                 break;
 365                         case 6:
 366                                 i = atoi(buf);
 367                                 if (i < 1) i = 1;
 368                                 if (i > 6) i = 6;
 369                                 CtdlSetConfigInt("c_initax", i);
 370                                 break;
 371                         case 7:
 372                                 CtdlSetConfigInt("c_regiscall", confbool(buf));
 373                                 break;
 374                         case 8:
 375                                 CtdlSetConfigInt("c_twitdetect", confbool(buf));
 376                                 break;
 377                         case 9:
 378                                 CtdlSetConfigStr("c_twitroom", buf);
 379                                 break;
 380                         case 10:
 381                                 CtdlSetConfigStr("c_moreprompt", buf);
 382                                 break;
 383                         case 11:
 384                                 CtdlSetConfigInt("c_restrict", confbool(buf));
 385                                 break;
 386                         case 12:
 387                                 CtdlSetConfigStr("c_site_location", buf);
 388                                 break;
 389                         case 13:
 390                                 CtdlSetConfigStr("c_sysadm", buf);
 391                                 break;
 392                         case 14:
 393                                 i = atoi(buf);
 394                                 if (i < 0) i = 0;
 395                                 CtdlSetConfigInt("c_maxsessions", i);
 396                                 break;
 397                         case 15:
 398                                 /* placeholder -- field no longer in use */
 399                                 break;
 400                         case 16:
 401                                 CtdlSetConfigInt("c_userpurge", atoi(buf));
 402                                 break;
 403                         case 17:
 404                                 CtdlSetConfigInt("c_roompurge", atoi(buf));
 405                                 break;
 406                         case 18:
 407                                 CtdlSetConfigStr("c_logpages", buf);
 408                                 break;
 409                         case 19:
 410                                 i = atoi(buf);
 411                                 if (i < 1) i = 1;
 412                                 if (i > 6) i = 6;
 413                                 CtdlSetConfigInt("c_createax", i);
 414                                 break;
 415                         case 20:
 416                                 ii = atol(buf);
 417                                 if (ii >= 8192) {
 418                                         CtdlSetConfigLong("c_maxmsglen", ii);
 419                                 }
 420                                 break;
 421                         case 21:
 422                                 i = atoi(buf);
 423                                 if (i >= 3) {                                   // minimum value
 424                                         CtdlSetConfigInt("c_min_workers", i);
 425                                 }
 426                                 break;
 427                         case 22:
 428                                 i = atoi(buf);
 429                                 if (i >= CtdlGetConfigInt("c_min_workers")) {   // max must be >= min
 430                                         CtdlSetConfigInt("c_max_workers", i);
 431                                 }
 432                                 break;
 433                         case 23:
 434                                 CtdlSetConfigInt("c_pop3_port", atoi(buf));
 435                                 break;
 436                         case 24:
 437                                 CtdlSetConfigInt("c_smtp_port", atoi(buf));
 438                                 break;
 439                         case 25:
 440                                 CtdlSetConfigInt("c_rfc822_strict_from", atoi(buf));
 441                                 break;
 442                         case 26:
 443                                 CtdlSetConfigInt("c_aide_zap", confbool(buf));
 444                                 break;
 445                         case 27:
 446                                 CtdlSetConfigInt("c_imap_port", atoi(buf));
 447                                 break;
 448                         case 28:
 449                                 CtdlSetConfigLong("c_net_freq", atol(buf));
 450                                 break;
 451                         case 29:
 452                                 CtdlSetConfigInt("c_disable_newu", confbool(buf));
 453                                 break;
 454                         case 30:
 455                                 /* niu */
 456                                 break;
 457                         case 31:
 458                                 i = atoi(buf);
 459                                 if ((i >= 0) && (i <= 23)) {
 460                                         CtdlSetConfigInt("c_purge_hour", i);
 461                                 }
 462                                 break;
 463                         case 32:
 464                                 CtdlSetConfigStr("c_ldap_host", buf);
 465                                 break;
 466                         case 33:
 467                                 CtdlSetConfigInt("c_ldap_port", atoi(buf));
 468                                 break;
 469                         case 34:
 470                                 CtdlSetConfigStr("c_ldap_base_dn", buf);
 471                                 break;
 472                         case 35:
 473                                 CtdlSetConfigStr("c_ldap_bind_dn", buf);
 474                                 break;
 475                         case 36:
 476                                 CtdlSetConfigStr("c_ldap_bind_pw", buf);
 477                                 break;
 478                         case 37:
 479                                 CtdlSetConfigStr("c_ip_addr", buf);
 480                                 break;
 481                         case 38:
 482                                 CtdlSetConfigInt("c_msa_port", atoi(buf));
 483                                 break;
 484                         case 39:
 485                                 CtdlSetConfigInt("c_imaps_port", atoi(buf));
 486                                 break;
 487                         case 40:
 488                                 CtdlSetConfigInt("c_pop3s_port", atoi(buf));
 489                                 break;
 490                         case 41:
 491                                 CtdlSetConfigInt("c_smtps_port", atoi(buf));
 492                                 break;
 493                         case 42:
 494                                 CtdlSetConfigInt("c_enable_fulltext", confbool(buf));
 495                                 break;
 496                         case 43:
 497                                 CtdlSetConfigInt("c_auto_cull", confbool(buf));
 498                                 break;
 499                         case 44:
 500                                 /* niu */
 501                                 break;
 502                         case 45:
 503                                 CtdlSetConfigInt("c_allow_spoofing", confbool(buf));
 504                                 break;
 505                         case 46:
 506                                 CtdlSetConfigInt("c_journal_email", confbool(buf));
 507                                 break;
 508                         case 47:
 509                                 CtdlSetConfigInt("c_journal_pubmsgs", confbool(buf));
 510                                 break;
 511                         case 48:
 512                                 CtdlSetConfigStr("c_journal_dest", buf);
 513                                 break;
 514                         case 49:
 515                                 CtdlSetConfigStr("c_default_cal_zone", buf);
 516                                 break;
 517                         case 50:
 518                                 CtdlSetConfigInt("c_pftcpdict_port", atoi(buf));
 519                                 break;
 520                         case 51:
 521                                 /* niu */
 522                                 break;
 523                         case 52:
 524                                 CtdlSetConfigInt("c_auth_mode", atoi(buf));
 525                                 break;
 526                         case 53:
 527                                 /* niu */
 528                                 break;
 529                         case 54:
 530                                 /* niu */
 531                                 break;
 532                         case 55:
 533                                 /* niu */
 534                                 break;
 535                         case 56:
 536                                 /* niu */
 537                                 break;
 538                         case 57:
 539                                 CtdlSetConfigInt("c_rbl_at_greeting", confbool(buf));
 540                                 break;
 541                         case 58:
 542                                 /* niu */
 543                                 break;
 544                         case 59:
 545                                 /* niu */
 546                                 break;
 547                         case 60:
 548                                 CtdlSetConfigStr("c_pager_program", buf);
 549                                 break;
 550                         case 61:
 551                                 CtdlSetConfigInt("c_imap_keep_from", confbool(buf));
 552                                 break;
 553                         case 62:
 554                                 CtdlSetConfigInt("c_xmpp_c2s_port", atoi(buf));
 555                                 break;
 556                         case 63:
 557                                 CtdlSetConfigInt("c_xmpp_s2s_port", atoi(buf));
 558                                 break;
 559                         case 64:
 560                                 CtdlSetConfigLong("c_pop3_fetch", atol(buf));
 561                                 break;
 562                         case 65:
 563                                 CtdlSetConfigLong("c_pop3_fastest", atol(buf));
 564                                 break;
 565                         case 66:
 566                                 CtdlSetConfigInt("c_spam_flag_only", confbool(buf));
 567                                 break;
 568                         case 67:
 569                                 CtdlSetConfigInt("c_guest_logins", confbool(buf));
 570                                 break;
 571                         case 68:
 572                                 CtdlSetConfigInt("c_port_number", atoi(buf));
 573                                 break;
 574                         case 69:
 575                                 /* niu */
 576                                 break;
 577                         case 70:
 578                                 CtdlSetConfigInt("c_nntp_port", atoi(buf));
 579                                 break;
 580                         case 71:
 581                                 CtdlSetConfigInt("c_nntps_port", atoi(buf));
 582                                 break;
 583                         }
 584                         ++a;
 585                 }
 586                 snprintf(buf, sizeof buf,
 587                         "The global system configuration has been edited by %s.\n",
 588                          (CC->logged_in ? CC->curr_user : "an administrator")
 589                 );
 590                 CtdlAideMessage(buf, "Citadel Configuration Manager Message");
 591
 592                 if (!IsEmptyStr(CtdlGetConfigStr("c_logpages")))
 593                         CtdlCreateRoom(CtdlGetConfigStr("c_logpages"), 3, "", 0, 1, 1, VIEW_BBS);
 594
 595                 /* If full text indexing has been disabled, invalidate the
 596                  * index so it doesn't try to use it later.
 597                  */
 598                 if (CtdlGetConfigInt("c_enable_fulltext") == 0) {
 599                         CtdlSetConfigInt("MM_fulltext_wordbreaker", 0);
 600                 }
 601         }
 602
 603         // CONF GETSYS - retrieve arbitrary system configuration stanzas stored in the message base
 604         else if (!strcasecmp(cmd, "GETSYS")) {
 605                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 606                 confptr = CtdlGetSysConfig(confname);
 607                 if (confptr != NULL) {
 608                         long len;
 609
 610                         len = strlen(confptr);
 611                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 612                         client_write(confptr, len);
 613                         if ((len > 0) && (confptr[len - 1] != 10))
 614                                 client_write("\n", 1);
 615                         cprintf("000\n");
 616                         free(confptr);
 617                 } else {
 618                         cprintf("%d No such configuration.\n",
 619                                 ERROR + ILLEGAL_VALUE);
 620                 }
 621         }
 622
 623         // CONF PUTSYS - store arbitrary system configuration stanzas in the message base
 624         else if (!strcasecmp(cmd, "PUTSYS")) {
 625                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 626                 unbuffer_output();
 627                 cprintf("%d %s\n", SEND_LISTING, confname);
 628                 confptr = CtdlReadMessageBody(HKEY("000"), CtdlGetConfigLong("c_maxmsglen"), NULL, 0);
 629                 CtdlPutSysConfig(confname, confptr);
 630                 free(confptr);
 631         }
 632
 633         // CONF GETVAL - retrieve configuration variables from the database
 634         // CONF LOADVAL - same thing but can handle variables bigger than 1 KB
 635         else if ( (!strcasecmp(cmd, "GETVAL")) || (!strcasecmp(cmd, "LOADVAL")) ) {
 636                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 637                 char *v = CtdlGetConfigStr(confname);
 638                 if ( (v) && (!strcasecmp(cmd, "GETVAL")) ) {
 639                         cprintf("%d %s|\n", CIT_OK, v);
 640                 }
 641                 else if ( (v) && (!strcasecmp(cmd, "LOADVAL")) ) {
 642                         cprintf("%d %d\n", BINARY_FOLLOWS, (int)strlen(v));
 643                         client_write(v, strlen(v));
 644                 }
 645                 else {
 646                         cprintf("%d |\n", ERROR);
 647                 }
 648         }
 649
 650         // CONF PUTVAL - store configuration variables in the database
 651         else if (!strcasecmp(cmd, "PUTVAL")) {
 652                 if (num_tokens(argbuf, '|') < 3) {
 653                         cprintf("%d name and value required\n", ERROR);
 654                 }
 655                 else {
 656                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 657                         extract_token(buf, argbuf, 2, '|', sizeof buf);
 658                         CtdlSetConfigStr(confname, buf);
 659                         cprintf("%d setting '%s' to '%s'\n", CIT_OK, confname, buf);
 660                 }
 661         }
 662
 663         // CONF STOREVAL - store configuration variables in the database bigger than 1 KB
 664         else if (!strcasecmp(cmd, "STOREVAL")) {
 665                 if (num_tokens(argbuf, '|') < 3) {
 666                         cprintf("%d name and length required\n", ERROR);
 667                 }
 668                 else {
 669                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 670                         int bytes = extract_int(argbuf, 2);
 671                         char *valbuf = malloc(bytes + 1);
 672                         cprintf("%d %d\n", SEND_BINARY, bytes);
 673                         client_read(valbuf, bytes);
 674                         valbuf[bytes+1] = 0;
 675                         CtdlSetConfigStr(confname, valbuf);
 676                         free(valbuf);
 677                 }
 678         }
 679
 680         // CONF LISTVAL - list configuration variables in the database and their values
 681         else if (!strcasecmp(cmd, "LISTVAL")) {
 682                 struct cdbdata *cdbcfg;
 683                 int keylen = 0;
 684                 char *key = NULL;
 685                 char *value = NULL;
 686
 687                 cprintf("%d all configuration variables\n", LISTING_FOLLOWS);
 688                 cdb_rewind(CDB_CONFIG);
 689                 while (cdbcfg = cdb_next_item(CDB_CONFIG), cdbcfg != NULL) {
 690                         if (cdbcfg->len < 1020) {
 691                                 keylen = strlen(cdbcfg->ptr);
 692                                 key = cdbcfg->ptr;
 693                                 value = cdbcfg->ptr + keylen + 1;
 694                                 cprintf("%s|%s\n", key, value);
 695                         }
 696                         cdb_free(cdbcfg);
 697                 }
 698                 cprintf("000\n");
 699         }
 700
 701         else {
 702                 cprintf("%d Illegal option(s) specified.\n", ERROR + ILLEGAL_VALUE);
 703         }
 704 }
 705
 706
 707 typedef struct __ConfType {
 708         ConstStr Name;
 709         long Type;
 710 }ConfType;
 711
 712 ConfType CfgNames[] = {
 713         { {HKEY("localhost") },    0},
 714         { {HKEY("directory") },    0},
 715         { {HKEY("smarthost") },    2},
 716         { {HKEY("fallbackhost") }, 2},
 717         { {HKEY("rbl") },          3},
 718         { {HKEY("spamassassin") }, 3},
 719         { {HKEY("masqdomain") },   1},
 720         { {HKEY("clamav") },       3},
 721         { {HKEY("notify") },       3},
 722         { {NULL, 0}, 0}
 723 };
 724
 725 HashList *CfgNameHash = NULL;
 726 void cmd_gvdn(char *argbuf)
 727 {
 728         const ConfType *pCfg;
 729         char *confptr;
 730         long min = atol(argbuf);
 731         const char *Pos = NULL;
 732         const char *PPos = NULL;
 733         const char *HKey;
 734         long HKLen;
 735         StrBuf *Line;
 736         StrBuf *Config;
 737         StrBuf *Cfg;
 738         StrBuf *CfgToken;
 739         HashList *List;
 740         HashPos *It;
 741         void *vptr;
 742
 743         List = NewHash(1, NULL);
 744         Cfg = NewStrBufPlain(CtdlGetConfigStr("c_fqdn"), -1);
 745         Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 746         Cfg = NULL;
 747
 748         confptr = CtdlGetSysConfig(INTERNETCFG);
 749         Config = NewStrBufPlain(confptr, -1);
 750         free(confptr);
 751
 752         Line = NewStrBufPlain(NULL, StrLength(Config));
 753         CfgToken = NewStrBufPlain(NULL, StrLength(Config));
 754         while (StrBufSipLine(Line, Config, &Pos))
 755         {
 756                 if (Cfg == NULL)
 757                         Cfg = NewStrBufPlain(NULL, StrLength(Line));
 758                 PPos = NULL;
 759                 StrBufExtract_NextToken(Cfg, Line, &PPos, '|');
 760                 StrBufExtract_NextToken(CfgToken, Line, &PPos, '|');
 761                 if (GetHash(CfgNameHash, SKEY(CfgToken), &vptr) &&
 762                     (vptr != NULL))
 763                 {
 764                         pCfg = (ConfType *) vptr;
 765                         if (pCfg->Type <= min)
 766                         {
 767                                 Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 768                                 Cfg = NULL;
 769                         }
 770                 }
 771         }
 772
 773         cprintf("%d Valid Domains\n", LISTING_FOLLOWS);
 774         It = GetNewHashPos(List, 1);
 775         while (GetNextHashPos(List, It, &HKLen, &HKey, &vptr))
 776         {
 777                 cputbuf(vptr);
 778                 cprintf("\n");
 779         }
 780         cprintf("000\n");
 781
 782         DeleteHashPos(&It);
 783         DeleteHash(&List);
 784         FreeStrBuf(&Cfg);
 785         FreeStrBuf(&Line);
 786         FreeStrBuf(&CfgToken);
 787         FreeStrBuf(&Config);
 788 }
 789
 790 /*****************************************************************************/
 791 /*                      MODULE INITIALIZATION STUFF                          */
 792 /*****************************************************************************/
 793
 794 void control_cleanup(void)
 795 {
 796         DeleteHash(&CfgNameHash);
 797 }
 798 CTDL_MODULE_INIT(control)
 799 {
 800         if (!threading) {
 801                 int i;
 802
 803                 CfgNameHash = NewHash(1, NULL);
 804                 for (i = 0; CfgNames[i].Name.Key != NULL; i++)
 805                         Put(CfgNameHash, CKEY(CfgNames[i].Name), &CfgNames[i], reference_free_handler);
 806
 807                 CtdlRegisterProtoHook(cmd_gvdn, "GVDN", "get valid domain names");
 808                 CtdlRegisterProtoHook(cmd_conf, "CONF", "get/set system configuration");
 809                 CtdlRegisterCleanupHook(control_cleanup);
 810
 811         }
 812         /* return our id for the Log */
 813         return "control";
 814 }