citadel/control.c

   1 /*
   2  * This module handles states which are global to the entire server.
   3  *
   4  * Copyright (c) 1987-2017 by the citadel.org team
   5  *
   6  * This program is open source software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 3.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include <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         int room_fixed = 0;
  54         int message_fixed = 0;
  55
  56         if (qrbuf->QRnumber > CtdlGetConfigLong("MMnextroom"))
  57         {
  58                 CtdlSetConfigLong("MMnextroom", qrbuf->QRnumber);
  59                 room_fixed = 1;
  60         }
  61
  62         CtdlGetRoom (&room, qrbuf->QRname);
  63
  64         /* Load the message list */
  65         cdbfr = cdb_fetch(CDB_MSGLISTS, &room.QRnumber, sizeof(long));
  66         if (cdbfr != NULL) {
  67                 msglist = (long *) cdbfr->ptr;
  68                 num_msgs = cdbfr->len / sizeof(long);
  69         } else {
  70                 return; /* No messages at all?  No further action. */
  71         }
  72
  73         if (num_msgs>0)
  74         {
  75                 for (c=0; c<num_msgs; c++)
  76                 {
  77                         if (msglist[c] > CtdlGetConfigLong("MMhighest"))
  78                         {
  79                                 CtdlSetConfigLong("MMhighest", msglist[c]);
  80                                 message_fixed = 1;
  81                         }
  82                 }
  83         }
  84         cdb_free(cdbfr);
  85         if (room_fixed) {
  86                 syslog(LOG_INFO, "control: fixed room counter");
  87         }
  88         if (message_fixed) {
  89                 syslog(LOG_INFO, "control: fixed message count");
  90         }
  91         return;
  92 }
  93
  94
  95 /*
  96  * Callback to get highest user number.
  97  */
  98
  99 void control_find_user (struct ctdluser *EachUser, void *out_data)
 100 {
 101         int user_fixed = 0;
 102
 103         if (EachUser->usernum > CtdlGetConfigLong("MMnextuser"))
 104         {
 105                 CtdlSetConfigLong("MMnextuser", EachUser->usernum);
 106                 user_fixed = 1;
 107         }
 108         if(user_fixed)
 109                 syslog(LOG_INFO, "control: fixed user count");
 110 }
 111
 112
 113 /*
 114  * If we have a legacy format control record on disk, import it.
 115  */
 116 void migrate_legacy_control_record(void)
 117 {
 118         FILE *fp = NULL;
 119         struct legacy_ctrl_format c;
 120         memset(&c, 0, sizeof(c));
 121
 122         fp = fopen(file_citadel_control, "rb+");
 123         if (fp != NULL) {
 124                 syslog(LOG_INFO, "control: legacy format record found -- importing to db");
 125                 fread(&c, sizeof(struct legacy_ctrl_format), 1, fp);
 126
 127                 CtdlSetConfigLong(      "MMhighest",                    c.MMhighest);
 128                 CtdlSetConfigInt(       "MMflags",                      c.MMflags);
 129                 CtdlSetConfigLong(      "MMnextuser",                   c.MMnextuser);
 130                 CtdlSetConfigLong(      "MMnextroom",                   c.MMnextroom);
 131                 CtdlSetConfigInt(       "MM_hosted_upgrade_level",      c.MM_hosted_upgrade_level);
 132                 CtdlSetConfigInt(       "MM_fulltext_wordbreaker",      c.MM_fulltext_wordbreaker);
 133                 CtdlSetConfigLong(      "MMfulltext",                   c.MMfulltext);
 134
 135                 fclose(fp);
 136                 if (unlink(file_citadel_control) != 0) {
 137                         fprintf(stderr, "Unable to remove legacy control record %s after migrating it.\n", file_citadel_control);
 138                         fprintf(stderr, "Exiting to prevent data corruption.\n");
 139                         exit(CTDLEXIT_CONFIG);
 140                 }
 141         }
 142 }
 143
 144
 145 /*
 146  * check_control   -  check the control record has sensible values for message, user and room numbers
 147  */
 148 void check_control(void)
 149 {
 150         syslog(LOG_INFO, "control: sanity checking the recorded highest message, user, and room numbers");
 151         CtdlForEachRoom(control_find_highest, NULL);
 152         ForEachUser(control_find_user, NULL);
 153 }
 154
 155
 156 /*
 157  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
 158  */
 159 long get_new_message_number(void)
 160 {
 161         long retval = 0L;
 162         begin_critical_section(S_CONTROL);
 163         retval = CtdlGetConfigLong("MMhighest");
 164         ++retval;
 165         CtdlSetConfigLong("MMhighest", retval);
 166         end_critical_section(S_CONTROL);
 167         return(retval);
 168 }
 169
 170
 171 /*
 172  * CtdlGetCurrentMessageNumber()  -  Obtain the current highest message number in the system
 173  * This provides a quick way to initialise a variable that might be used to indicate
 174  * messages that should not be processed. EG. a new Sieve script will use this
 175  * to record determine that messages older than this should not be processed.
 176  *
 177  * (Why is this function here?  Can't we just go straight to the config variable it fetches?)
 178  */
 179 long CtdlGetCurrentMessageNumber(void)
 180 {
 181         return CtdlGetConfigLong("MMhighest");
 182 }
 183
 184
 185 /*
 186  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
 187  */
 188 long get_new_user_number(void)
 189 {
 190         long retval = 0L;
 191         begin_critical_section(S_CONTROL);
 192         retval = CtdlGetConfigLong("MMnextuser");
 193         ++retval;
 194         CtdlSetConfigLong("MMnextuser", retval);
 195         end_critical_section(S_CONTROL);
 196         return(retval);
 197 }
 198
 199
 200 /*
 201  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 202  */
 203 long get_new_room_number(void)
 204 {
 205         long retval = 0L;
 206         begin_critical_section(S_CONTROL);
 207         retval = CtdlGetConfigLong("MMnextroom");
 208         ++retval;
 209         CtdlSetConfigLong("MMnextroom", retval);
 210         end_critical_section(S_CONTROL);
 211         return(retval);
 212 }
 213
 214
 215 /*
 216  * Helper function for cmd_conf() to handle boolean values
 217  */
 218 int confbool(char *v)
 219 {
 220         if (IsEmptyStr(v)) return(0);
 221         if (atoi(v) != 0) return(1);
 222         return(0);
 223 }
 224
 225
 226 /*
 227  * Get or set global configuration options
 228  *
 229  * IF YOU ADD OR CHANGE FIELDS HERE, YOU *MUST* DOCUMENT YOUR CHANGES AT:
 230  * http://www.citadel.org/doku.php/documentation:appproto:system_config
 231  *
 232  */
 233 void cmd_conf(char *argbuf)
 234 {
 235         char cmd[16];
 236         char buf[1024];
 237         int a, i;
 238         long ii;
 239         char *confptr;
 240         char confname[128];
 241
 242         if (CtdlAccessCheck(ac_aide)) return;
 243
 244         extract_token(cmd, argbuf, 0, '|', sizeof cmd);
 245
 246         // CONF GET - retrieve system configuration in legacy format
 247         // This is deprecated; please do not add fields or change their order.
 248         if (!strcasecmp(cmd, "GET")) {
 249                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 250                 cprintf("%s\n",         CtdlGetConfigStr("c_nodename"));
 251                 cprintf("%s\n",         CtdlGetConfigStr("c_fqdn"));
 252                 cprintf("%s\n",         CtdlGetConfigStr("c_humannode"));
 253                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 254                 cprintf("%d\n",         CtdlGetConfigInt("c_creataide"));
 255                 cprintf("%d\n",         CtdlGetConfigInt("c_sleeping"));
 256                 cprintf("%d\n",         CtdlGetConfigInt("c_initax"));
 257                 cprintf("%d\n",         CtdlGetConfigInt("c_regiscall"));
 258                 cprintf("%d\n",         CtdlGetConfigInt("c_twitdetect"));
 259                 cprintf("%s\n",         CtdlGetConfigStr("c_twitroom"));
 260                 cprintf("%s\n",         CtdlGetConfigStr("c_moreprompt"));
 261                 cprintf("%d\n",         CtdlGetConfigInt("c_restrict"));
 262                 cprintf("%s\n",         CtdlGetConfigStr("c_site_location"));
 263                 cprintf("%s\n",         CtdlGetConfigStr("c_sysadm"));
 264                 cprintf("%d\n",         CtdlGetConfigInt("c_maxsessions"));
 265                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 266                 cprintf("%d\n",         CtdlGetConfigInt("c_userpurge"));
 267                 cprintf("%d\n",         CtdlGetConfigInt("c_roompurge"));
 268                 cprintf("%s\n",         CtdlGetConfigStr("c_logpages"));
 269                 cprintf("%d\n",         CtdlGetConfigInt("c_createax"));
 270                 cprintf("%ld\n",        CtdlGetConfigLong("c_maxmsglen"));
 271                 cprintf("%d\n",         CtdlGetConfigInt("c_min_workers"));
 272                 cprintf("%d\n",         CtdlGetConfigInt("c_max_workers"));
 273                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3_port"));
 274                 cprintf("%d\n",         CtdlGetConfigInt("c_smtp_port"));
 275                 cprintf("%d\n",         CtdlGetConfigInt("c_rfc822_strict_from"));
 276                 cprintf("%d\n",         CtdlGetConfigInt("c_aide_zap"));
 277                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_port"));
 278                 cprintf("%ld\n",        CtdlGetConfigLong("c_net_freq"));
 279                 cprintf("%d\n",         CtdlGetConfigInt("c_disable_newu"));
 280                 cprintf("1\n"); /* niu */
 281                 cprintf("%d\n",         CtdlGetConfigInt("c_purge_hour"));
 282 #ifdef HAVE_LDAP
 283                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_host"));
 284                 cprintf("%d\n",         CtdlGetConfigInt("c_ldap_port"));
 285                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_base_dn"));
 286                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_dn"));
 287                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_pw"));
 288 #else
 289                 cprintf("\n");
 290                 cprintf("0\n");
 291                 cprintf("\n");
 292                 cprintf("\n");
 293                 cprintf("\n");
 294 #endif
 295                 cprintf("%s\n",         CtdlGetConfigStr("c_ip_addr"));
 296                 cprintf("%d\n",         CtdlGetConfigInt("c_msa_port"));
 297                 cprintf("%d\n",         CtdlGetConfigInt("c_imaps_port"));
 298                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3s_port"));
 299                 cprintf("%d\n",         CtdlGetConfigInt("c_smtps_port"));
 300                 cprintf("%d\n",         CtdlGetConfigInt("c_enable_fulltext"));
 301                 cprintf("%d\n",         CtdlGetConfigInt("c_auto_cull"));
 302                 cprintf("1\n");
 303                 cprintf("%d\n",         CtdlGetConfigInt("c_allow_spoofing"));
 304                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_email"));
 305                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_pubmsgs"));
 306                 cprintf("%s\n",         CtdlGetConfigStr("c_journal_dest"));
 307                 cprintf("%s\n",         CtdlGetConfigStr("c_default_cal_zone"));
 308                 cprintf("%d\n",         CtdlGetConfigInt("c_pftcpdict_port"));
 309                 cprintf("%d\n",         CtdlGetConfigInt("c_managesieve_port"));
 310                 cprintf("%d\n",         CtdlGetConfigInt("c_auth_mode"));
 311                 cprintf("\n");
 312                 cprintf("\n");
 313                 cprintf("\n");
 314                 cprintf("\n");
 315                 cprintf("%d\n",         CtdlGetConfigInt("c_rbl_at_greeting"));
 316                 cprintf("%s\n",         CtdlGetConfigStr("c_master_user"));
 317                 cprintf("%s\n",         CtdlGetConfigStr("c_master_pass"));
 318                 cprintf("%s\n",         CtdlGetConfigStr("c_pager_program"));
 319                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_keep_from"));
 320                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_c2s_port"));
 321                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_s2s_port"));
 322                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fetch"));
 323                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fastest"));
 324                 cprintf("%d\n",         CtdlGetConfigInt("c_spam_flag_only"));
 325                 cprintf("%d\n",         CtdlGetConfigInt("c_guest_logins"));
 326                 cprintf("%d\n",         CtdlGetConfigInt("c_port_number"));
 327                 cprintf("%d\n",         ctdluid);
 328                 cprintf("%d\n",         CtdlGetConfigInt("c_nntp_port"));
 329                 cprintf("%d\n",         CtdlGetConfigInt("c_nntps_port"));
 330                 cprintf("000\n");
 331         }
 332
 333         // CONF SET - set system configuration in legacy format
 334         // This is deprecated; please do not add fields or change their order.
 335         else if (!strcasecmp(cmd, "SET")) {
 336                 unbuffer_output();
 337                 cprintf("%d Send configuration...\n", SEND_LISTING);
 338                 a = 0;
 339                 while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
 340                         switch (a) {
 341                         case 0:
 342                                 CtdlSetConfigStr("c_nodename", buf);
 343                                 break;
 344                         case 1:
 345                                 CtdlSetConfigStr("c_fqdn", buf);
 346                                 break;
 347                         case 2:
 348                                 CtdlSetConfigStr("c_humannode", buf);
 349                                 break;
 350                         case 3:
 351                                 /* placeholder -- field no longer in use */
 352                                 break;
 353                         case 4:
 354                                 CtdlSetConfigInt("c_creataide", confbool(buf));
 355                                 break;
 356                         case 5:
 357                                 CtdlSetConfigInt("c_sleeping", atoi(buf));
 358                                 break;
 359                         case 6:
 360                                 i = atoi(buf);
 361                                 if (i < 1) i = 1;
 362                                 if (i > 6) i = 6;
 363                                 CtdlSetConfigInt("c_initax", i);
 364                                 break;
 365                         case 7:
 366                                 CtdlSetConfigInt("c_regiscall", confbool(buf));
 367                                 break;
 368                         case 8:
 369                                 CtdlSetConfigInt("c_twitdetect", confbool(buf));
 370                                 break;
 371                         case 9:
 372                                 CtdlSetConfigStr("c_twitroom", buf);
 373                                 break;
 374                         case 10:
 375                                 CtdlSetConfigStr("c_moreprompt", buf);
 376                                 break;
 377                         case 11:
 378                                 CtdlSetConfigInt("c_restrict", confbool(buf));
 379                                 break;
 380                         case 12:
 381                                 CtdlSetConfigStr("c_site_location", buf);
 382                                 break;
 383                         case 13:
 384                                 CtdlSetConfigStr("c_sysadm", buf);
 385                                 break;
 386                         case 14:
 387                                 i = atoi(buf);
 388                                 if (i < 0) i = 0;
 389                                 CtdlSetConfigInt("c_maxsessions", i);
 390                                 break;
 391                         case 15:
 392                                 /* placeholder -- field no longer in use */
 393                                 break;
 394                         case 16:
 395                                 CtdlSetConfigInt("c_userpurge", atoi(buf));
 396                                 break;
 397                         case 17:
 398                                 CtdlSetConfigInt("c_roompurge", atoi(buf));
 399                                 break;
 400                         case 18:
 401                                 CtdlSetConfigStr("c_logpages", buf);
 402                                 break;
 403                         case 19:
 404                                 i = atoi(buf);
 405                                 if (i < 1) i = 1;
 406                                 if (i > 6) i = 6;
 407                                 CtdlSetConfigInt("c_createax", i);
 408                                 break;
 409                         case 20:
 410                                 ii = atol(buf);
 411                                 if (ii >= 8192) {
 412                                         CtdlSetConfigLong("c_maxmsglen", ii);
 413                                 }
 414                                 break;
 415                         case 21:
 416                                 i = atoi(buf);
 417                                 if (i >= 3) {                                   // minimum value
 418                                         CtdlSetConfigInt("c_min_workers", i);
 419                                 }
 420                                 break;
 421                         case 22:
 422                                 i = atoi(buf);
 423                                 if (i >= CtdlGetConfigInt("c_min_workers")) {   // max must be >= min
 424                                         CtdlSetConfigInt("c_max_workers", i);
 425                                 }
 426                                 break;
 427                         case 23:
 428                                 CtdlSetConfigInt("c_pop3_port", atoi(buf));
 429                                 break;
 430                         case 24:
 431                                 CtdlSetConfigInt("c_smtp_port", atoi(buf));
 432                                 break;
 433                         case 25:
 434                                 CtdlSetConfigInt("c_rfc822_strict_from", atoi(buf));
 435                                 break;
 436                         case 26:
 437                                 CtdlSetConfigInt("c_aide_zap", confbool(buf));
 438                                 break;
 439                         case 27:
 440                                 CtdlSetConfigInt("c_imap_port", atoi(buf));
 441                                 break;
 442                         case 28:
 443                                 CtdlSetConfigLong("c_net_freq", atol(buf));
 444                                 break;
 445                         case 29:
 446                                 CtdlSetConfigInt("c_disable_newu", confbool(buf));
 447                                 break;
 448                         case 30:
 449                                 /* niu */
 450                                 break;
 451                         case 31:
 452                                 i = atoi(buf);
 453                                 if ((i >= 0) && (i <= 23)) {
 454                                         CtdlSetConfigInt("c_purge_hour", i);
 455                                 }
 456                                 break;
 457                         case 32:
 458                                 CtdlSetConfigStr("c_ldap_host", buf);
 459                                 break;
 460                         case 33:
 461                                 CtdlSetConfigInt("c_ldap_port", atoi(buf));
 462                                 break;
 463                         case 34:
 464                                 CtdlSetConfigStr("c_ldap_base_dn", buf);
 465                                 break;
 466                         case 35:
 467                                 CtdlSetConfigStr("c_ldap_bind_dn", buf);
 468                                 break;
 469                         case 36:
 470                                 CtdlSetConfigStr("c_ldap_bind_pw", buf);
 471                                 break;
 472                         case 37:
 473                                 CtdlSetConfigStr("c_ip_addr", buf);
 474                                 break;
 475                         case 38:
 476                                 CtdlSetConfigInt("c_msa_port", atoi(buf));
 477                                 break;
 478                         case 39:
 479                                 CtdlSetConfigInt("c_imaps_port", atoi(buf));
 480                                 break;
 481                         case 40:
 482                                 CtdlSetConfigInt("c_pop3s_port", atoi(buf));
 483                                 break;
 484                         case 41:
 485                                 CtdlSetConfigInt("c_smtps_port", atoi(buf));
 486                                 break;
 487                         case 42:
 488                                 CtdlSetConfigInt("c_enable_fulltext", confbool(buf));
 489                                 break;
 490                         case 43:
 491                                 CtdlSetConfigInt("c_auto_cull", confbool(buf));
 492                                 break;
 493                         case 44:
 494                                 /* niu */
 495                                 break;
 496                         case 45:
 497                                 CtdlSetConfigInt("c_allow_spoofing", confbool(buf));
 498                                 break;
 499                         case 46:
 500                                 CtdlSetConfigInt("c_journal_email", confbool(buf));
 501                                 break;
 502                         case 47:
 503                                 CtdlSetConfigInt("c_journal_pubmsgs", confbool(buf));
 504                                 break;
 505                         case 48:
 506                                 CtdlSetConfigStr("c_journal_dest", buf);
 507                                 break;
 508                         case 49:
 509                                 CtdlSetConfigStr("c_default_cal_zone", buf);
 510                                 break;
 511                         case 50:
 512                                 CtdlSetConfigInt("c_pftcpdict_port", atoi(buf));
 513                                 break;
 514                         case 51:
 515                                 CtdlSetConfigInt("c_managesieve_port", atoi(buf));
 516                                 break;
 517                         case 52:
 518                                 CtdlSetConfigInt("c_auth_mode", atoi(buf));
 519                                 break;
 520                         case 53:
 521                                 /* niu */
 522                                 break;
 523                         case 54:
 524                                 /* niu */
 525                                 break;
 526                         case 55:
 527                                 /* niu */
 528                                 break;
 529                         case 56:
 530                                 /* niu */
 531                                 break;
 532                         case 57:
 533                                 CtdlSetConfigInt("c_rbl_at_greeting", confbool(buf));
 534                                 break;
 535                         case 58:
 536                                 CtdlSetConfigStr("c_master_user", buf);
 537                                 break;
 538                         case 59:
 539                                 CtdlSetConfigStr("c_master_pass", buf);
 540                                 break;
 541                         case 60:
 542                                 CtdlSetConfigStr("c_pager_program", buf);
 543                                 break;
 544                         case 61:
 545                                 CtdlSetConfigInt("c_imap_keep_from", confbool(buf));
 546                                 break;
 547                         case 62:
 548                                 CtdlSetConfigInt("c_xmpp_c2s_port", atoi(buf));
 549                                 break;
 550                         case 63:
 551                                 CtdlSetConfigInt("c_xmpp_s2s_port", atoi(buf));
 552                                 break;
 553                         case 64:
 554                                 CtdlSetConfigLong("c_pop3_fetch", atol(buf));
 555                                 break;
 556                         case 65:
 557                                 CtdlSetConfigLong("c_pop3_fastest", atol(buf));
 558                                 break;
 559                         case 66:
 560                                 CtdlSetConfigInt("c_spam_flag_only", confbool(buf));
 561                                 break;
 562                         case 67:
 563                                 CtdlSetConfigInt("c_guest_logins", confbool(buf));
 564                                 break;
 565                         case 68:
 566                                 CtdlSetConfigInt("c_port_number", atoi(buf));
 567                                 break;
 568                         case 69:
 569                                 /* niu */
 570                                 break;
 571                         case 70:
 572                                 CtdlSetConfigInt("c_nntp_port", atoi(buf));
 573                                 break;
 574                         case 71:
 575                                 CtdlSetConfigInt("c_nntps_port", atoi(buf));
 576                                 break;
 577                         }
 578                         ++a;
 579                 }
 580                 snprintf(buf, sizeof buf,
 581                         "The global system configuration has been edited by %s.\n",
 582                          (CC->logged_in ? CC->curr_user : "an administrator")
 583                 );
 584                 CtdlAideMessage(buf, "Citadel Configuration Manager Message");
 585
 586                 if (!IsEmptyStr(CtdlGetConfigStr("c_logpages")))
 587                         CtdlCreateRoom(CtdlGetConfigStr("c_logpages"), 3, "", 0, 1, 1, VIEW_BBS);
 588
 589                 /* If full text indexing has been disabled, invalidate the
 590                  * index so it doesn't try to use it later.
 591                  */
 592                 if (CtdlGetConfigInt("c_enable_fulltext") == 0) {
 593                         CtdlSetConfigInt("MM_fulltext_wordbreaker", 0);
 594                 }
 595         }
 596
 597         // CONF GETSYS - retrieve arbitrary system configuration stanzas stored in the message base
 598         else if (!strcasecmp(cmd, "GETSYS")) {
 599                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 600                 confptr = CtdlGetSysConfig(confname);
 601                 if (confptr != NULL) {
 602                         long len;
 603
 604                         len = strlen(confptr);
 605                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 606                         client_write(confptr, len);
 607                         if ((len > 0) && (confptr[len - 1] != 10))
 608                                 client_write("\n", 1);
 609                         cprintf("000\n");
 610                         free(confptr);
 611                 } else {
 612                         cprintf("%d No such configuration.\n",
 613                                 ERROR + ILLEGAL_VALUE);
 614                 }
 615         }
 616
 617         // CONF PUTSYS - store arbitrary system configuration stanzas in the message base
 618         else if (!strcasecmp(cmd, "PUTSYS")) {
 619                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 620                 unbuffer_output();
 621                 cprintf("%d %s\n", SEND_LISTING, confname);
 622                 confptr = CtdlReadMessageBody(HKEY("000"), CtdlGetConfigLong("c_maxmsglen"), NULL, 0);
 623                 CtdlPutSysConfig(confname, confptr);
 624                 free(confptr);
 625         }
 626
 627         // CONF GETVAL - retrieve configuration variables from the database
 628         // CONF LOADVAL - same thing but can handle variables bigger than 1 KB
 629         else if ( (!strcasecmp(cmd, "GETVAL")) || (!strcasecmp(cmd, "LOADVAL")) ) {
 630                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 631                 char *v = CtdlGetConfigStr(confname);
 632                 if ( (v) && (!strcasecmp(cmd, "GETVAL")) ) {
 633                         cprintf("%d %s|\n", CIT_OK, v);
 634                 }
 635                 else if ( (v) && (!strcasecmp(cmd, "LOADVAL")) ) {
 636                         cprintf("%d %d\n", BINARY_FOLLOWS, (int)strlen(v));
 637                         client_write(v, strlen(v));
 638                 }
 639                 else {
 640                         cprintf("%d |\n", ERROR);
 641                 }
 642         }
 643
 644         // CONF PUTVAL - store configuration variables in the database
 645         else if (!strcasecmp(cmd, "PUTVAL")) {
 646                 if (num_tokens(argbuf, '|') < 3) {
 647                         cprintf("%d name and value required\n", ERROR);
 648                 }
 649                 else {
 650                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 651                         extract_token(buf, argbuf, 2, '|', sizeof buf);
 652                         CtdlSetConfigStr(confname, buf);
 653                         cprintf("%d setting '%s' to '%s'\n", CIT_OK, confname, buf);
 654                 }
 655         }
 656
 657         // CONF STOREVAL - store configuration variables in the database bigger than 1 KB
 658         else if (!strcasecmp(cmd, "STOREVAL")) {
 659                 if (num_tokens(argbuf, '|') < 3) {
 660                         cprintf("%d name and length required\n", ERROR);
 661                 }
 662                 else {
 663                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 664                         int bytes = extract_int(argbuf, 2);
 665                         char *valbuf = malloc(bytes + 1);
 666                         cprintf("%d %d\n", SEND_BINARY, bytes);
 667                         client_read(valbuf, bytes);
 668                         valbuf[bytes+1] = 0;
 669                         CtdlSetConfigStr(confname, valbuf);
 670                         free(valbuf);
 671                 }
 672         }
 673
 674         // CONF LISTVAL - list configuration variables in the database and their values
 675         else if (!strcasecmp(cmd, "LISTVAL")) {
 676                 struct cdbdata *cdbcfg;
 677                 int keylen = 0;
 678                 char *key = NULL;
 679                 char *value = NULL;
 680
 681                 cprintf("%d all configuration variables\n", LISTING_FOLLOWS);
 682                 cdb_rewind(CDB_CONFIG);
 683                 while (cdbcfg = cdb_next_item(CDB_CONFIG), cdbcfg != NULL) {
 684                         if (cdbcfg->len < 1020) {
 685                                 keylen = strlen(cdbcfg->ptr);
 686                                 key = cdbcfg->ptr;
 687                                 value = cdbcfg->ptr + keylen + 1;
 688                                 cprintf("%s|%s\n", key, value);
 689                         }
 690                         cdb_free(cdbcfg);
 691                 }
 692                 cprintf("000\n");
 693         }
 694
 695         else {
 696                 cprintf("%d Illegal option(s) specified.\n", ERROR + ILLEGAL_VALUE);
 697         }
 698 }
 699
 700
 701 typedef struct __ConfType {
 702         ConstStr Name;
 703         long Type;
 704 }ConfType;
 705
 706 ConfType CfgNames[] = {
 707         { {HKEY("localhost") },    0},
 708         { {HKEY("directory") },    0},
 709         { {HKEY("smarthost") },    2},
 710         { {HKEY("fallbackhost") }, 2},
 711         { {HKEY("rbl") },          3},
 712         { {HKEY("spamassassin") }, 3},
 713         { {HKEY("masqdomain") },   1},
 714         { {HKEY("clamav") },       3},
 715         { {HKEY("notify") },       3},
 716         { {NULL, 0}, 0}
 717 };
 718
 719 HashList *CfgNameHash = NULL;
 720 void cmd_gvdn(char *argbuf)
 721 {
 722         const ConfType *pCfg;
 723         char *confptr;
 724         long min = atol(argbuf);
 725         const char *Pos = NULL;
 726         const char *PPos = NULL;
 727         const char *HKey;
 728         long HKLen;
 729         StrBuf *Line;
 730         StrBuf *Config;
 731         StrBuf *Cfg;
 732         StrBuf *CfgToken;
 733         HashList *List;
 734         HashPos *It;
 735         void *vptr;
 736
 737         List = NewHash(1, NULL);
 738         Cfg = NewStrBufPlain(CtdlGetConfigStr("c_fqdn"), -1);
 739         Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 740         Cfg = NULL;
 741
 742         confptr = CtdlGetSysConfig(INTERNETCFG);
 743         Config = NewStrBufPlain(confptr, -1);
 744         free(confptr);
 745
 746         Line = NewStrBufPlain(NULL, StrLength(Config));
 747         CfgToken = NewStrBufPlain(NULL, StrLength(Config));
 748         while (StrBufSipLine(Line, Config, &Pos))
 749         {
 750                 if (Cfg == NULL)
 751                         Cfg = NewStrBufPlain(NULL, StrLength(Line));
 752                 PPos = NULL;
 753                 StrBufExtract_NextToken(Cfg, Line, &PPos, '|');
 754                 StrBufExtract_NextToken(CfgToken, Line, &PPos, '|');
 755                 if (GetHash(CfgNameHash, SKEY(CfgToken), &vptr) &&
 756                     (vptr != NULL))
 757                 {
 758                         pCfg = (ConfType *) vptr;
 759                         if (pCfg->Type <= min)
 760                         {
 761                                 Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 762                                 Cfg = NULL;
 763                         }
 764                 }
 765         }
 766
 767         cprintf("%d Valid Domains\n", LISTING_FOLLOWS);
 768         It = GetNewHashPos(List, 1);
 769         while (GetNextHashPos(List, It, &HKLen, &HKey, &vptr))
 770         {
 771                 cputbuf(vptr);
 772                 cprintf("\n");
 773         }
 774         cprintf("000\n");
 775
 776         DeleteHashPos(&It);
 777         DeleteHash(&List);
 778         FreeStrBuf(&Cfg);
 779         FreeStrBuf(&Line);
 780         FreeStrBuf(&CfgToken);
 781         FreeStrBuf(&Config);
 782 }
 783
 784 /*****************************************************************************/
 785 /*                      MODULE INITIALIZATION STUFF                          */
 786 /*****************************************************************************/
 787
 788 void control_cleanup(void)
 789 {
 790         DeleteHash(&CfgNameHash);
 791 }
 792 CTDL_MODULE_INIT(control)
 793 {
 794         if (!threading) {
 795                 int i;
 796
 797                 CfgNameHash = NewHash(1, NULL);
 798                 for (i = 0; CfgNames[i].Name.Key != NULL; i++)
 799                         Put(CfgNameHash, CKEY(CfgNames[i].Name), &CfgNames[i], reference_free_handler);
 800
 801                 CtdlRegisterProtoHook(cmd_gvdn, "GVDN", "get valid domain names");
 802                 CtdlRegisterProtoHook(cmd_conf, "CONF", "get/set system configuration");
 803                 CtdlRegisterCleanupHook(control_cleanup);
 804
 805         }
 806         /* return our id for the Log */
 807         return "control";
 808 }