citadel/control.c

   1 //
   2 // This module handles states which are global to the entire server.
   3 //
   4 // Copyright (c) 1987-2021 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 // The program is distributed without any warranty, expressed or implied.
   9
  10 #include <stdio.h>
  11 #include <sys/file.h>
  12 #include <libcitadel.h>
  13
  14 #include "ctdl_module.h"
  15 #include "config.h"
  16 #include "citserver.h"
  17 #include "user_ops.h"
  18
  19 long control_highest_user = 0;
  20
  21 /*
  22  * This is the legacy "control record" format for the message base.  If found
  23  * on disk, its contents will be migrated into the system configuration.  Never
  24  * change this.
  25  */
  26 struct legacy_ctrl_format {
  27         long MMhighest;                 /* highest message number in file   */
  28         unsigned MMflags;               /* Global system flags              */
  29         long MMnextuser;                /* highest user number on system    */
  30         long MMnextroom;                /* highest room number on system    */
  31         int MM_hosted_upgrade_level;    /* Server-hosted upgrade level      */
  32         int MM_fulltext_wordbreaker;    /* ID of wordbreaker in use         */
  33         long MMfulltext;                /* highest message number indexed   */
  34         int MMdbversion;                /* Version of Berkeley DB used on previous server run */
  35 };
  36
  37
  38 /*
  39  * data that gets passed back and forth between control_find_highest() and its caller
  40  */
  41 struct cfh {
  42         long highest_roomnum_found;
  43         long highest_msgnum_found;
  44 };
  45
  46
  47 /*
  48  * Callback to get highest room number when rebuilding message base metadata
  49  *
  50  * sanity_diag_mode (can be set by -s flag at startup) may be:
  51  * 0 = attempt to fix inconsistencies
  52  * 1 = show inconsistencies but don't repair them, exit after complete
  53  * 2 = show inconsistencies but don't repair them, continue execution
  54  */
  55 void control_find_highest(struct ctdlroom *qrbuf, void *data) {
  56         struct cfh *cfh = (struct cfh *)data;
  57         struct cdbdata *cdbfr;
  58         long *msglist;
  59         int num_msgs=0;
  60         int c;
  61
  62         if (qrbuf->QRnumber > cfh->highest_roomnum_found) {
  63                 cfh->highest_roomnum_found = qrbuf->QRnumber;
  64         }
  65
  66         /* Load the message list */
  67         cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf->QRnumber, sizeof(long));
  68         if (cdbfr != NULL) {
  69                 msglist = (long *) cdbfr->ptr;
  70                 num_msgs = cdbfr->len / sizeof(long);
  71         }
  72         else {
  73                 return; /* No messages at all?  No further action. */
  74         }
  75
  76         if (num_msgs > 0) {
  77                 for (c=0; c<num_msgs; c++) {
  78                         if (msglist[c] > cfh->highest_msgnum_found) {
  79                                 cfh->highest_msgnum_found = msglist[c];
  80                         }
  81                 }
  82         }
  83
  84         cdb_free(cdbfr);
  85 }
  86
  87
  88 /*
  89  * Callback to get highest user number.
  90  */
  91 void control_find_user(char *username, void *out_data) {
  92         struct ctdluser EachUser;
  93
  94         if (CtdlGetUser(&EachUser, username) != 0) {
  95                 return;
  96         }
  97
  98         if (EachUser.usernum > CtdlGetConfigLong("MMnextuser")) {
  99                 syslog(LOG_DEBUG, "control: fixing MMnextuser %ld > %ld , found in %s",
 100                         EachUser.usernum, CtdlGetConfigLong("MMnextuser"), EachUser.fullname
 101                 );
 102                 if (!sanity_diag_mode) {
 103                         CtdlSetConfigLong("MMnextuser", EachUser.usernum);
 104                 }
 105         }
 106 }
 107
 108
 109 /*
 110  * If we have a legacy format control record on disk, import it.
 111  */
 112 void migrate_legacy_control_record(void) {
 113         FILE *fp = NULL;
 114         struct legacy_ctrl_format c;
 115         memset(&c, 0, sizeof(c));
 116
 117         fp = fopen("citadel.control", "rb+");
 118         if (fp != NULL) {
 119                 syslog(LOG_INFO, "control: legacy format record found -- importing to db");
 120                 fread(&c, sizeof(struct legacy_ctrl_format), 1, fp);
 121
 122                 CtdlSetConfigLong(      "MMhighest",                    c.MMhighest);
 123                 CtdlSetConfigInt(       "MMflags",                      c.MMflags);
 124                 CtdlSetConfigLong(      "MMnextuser",                   c.MMnextuser);
 125                 CtdlSetConfigLong(      "MMnextroom",                   c.MMnextroom);
 126                 CtdlSetConfigInt(       "MM_hosted_upgrade_level",      c.MM_hosted_upgrade_level);
 127                 CtdlSetConfigInt(       "MM_fulltext_wordbreaker",      c.MM_fulltext_wordbreaker);
 128                 CtdlSetConfigLong(      "MMfulltext",                   c.MMfulltext);
 129
 130                 fclose(fp);
 131                 if (unlink("citadel.control") != 0) {
 132                         fprintf(stderr, "Unable to remove legacy control record after migrating it.\n");
 133                         fprintf(stderr, "Exiting to prevent data corruption.\n");
 134                         exit(CTDLEXIT_CONFIG);
 135                 }
 136         }
 137 }
 138
 139
 140 /*
 141  * check_control   -  check the control record has sensible values for message, user and room numbers
 142  */
 143 void check_control(void) {
 144
 145         syslog(LOG_INFO, "control: sanity checking the recorded highest message and room numbers");
 146         struct cfh cfh;
 147         memset(&cfh, 0, sizeof(struct cfh));
 148         CtdlForEachRoom(control_find_highest, &cfh);
 149
 150         if (cfh.highest_roomnum_found > CtdlGetConfigLong("MMnextroom")) {
 151                 syslog(LOG_DEBUG, "control: fixing MMnextroom %ld > %ld", cfh.highest_roomnum_found, CtdlGetConfigLong("MMnextroom"));
 152                 if (!sanity_diag_mode) {
 153                         CtdlSetConfigLong("MMnextroom", cfh.highest_roomnum_found);
 154                 }
 155         }
 156
 157         if (cfh.highest_msgnum_found > CtdlGetConfigLong("MMhighest")) {
 158                 syslog(LOG_DEBUG, "control: fixing MMhighest %ld > %ld", cfh.highest_msgnum_found, CtdlGetConfigLong("MMhighest"));
 159                 if (!sanity_diag_mode) {
 160                         CtdlSetConfigLong("MMhighest", cfh.highest_msgnum_found);
 161                 }
 162         }
 163
 164         syslog(LOG_INFO, "control: sanity checking the recorded highest user number");
 165         ForEachUser(control_find_user, NULL);
 166
 167         syslog(LOG_INFO, "control: sanity checks complete");
 168
 169         if (sanity_diag_mode == 1) {
 170                 syslog(LOG_INFO, "control: sanity check diagnostic mode is active - exiting now");
 171                 abort();
 172         }
 173 }
 174
 175
 176 /*
 177  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
 178  */
 179 long get_new_message_number(void)
 180 {
 181         long retval = 0L;
 182         begin_critical_section(S_CONTROL);
 183         retval = CtdlGetConfigLong("MMhighest");
 184         ++retval;
 185         CtdlSetConfigLong("MMhighest", retval);
 186         end_critical_section(S_CONTROL);
 187         return(retval);
 188 }
 189
 190
 191 /*
 192  * CtdlGetCurrentMessageNumber()  -  Obtain the current highest message number in the system
 193  * This provides a quick way to initialise a variable that might be used to indicate
 194  * messages that should not be processed.   For example, an inbox rules script will use this
 195  * to record determine that messages older than this should not be processed.
 196  *
 197  * (Why is this function here?  Can't we just go straight to the config variable it fetches?)
 198  */
 199 long CtdlGetCurrentMessageNumber(void)
 200 {
 201         return CtdlGetConfigLong("MMhighest");
 202 }
 203
 204
 205 /*
 206  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
 207  */
 208 long get_new_user_number(void)
 209 {
 210         long retval = 0L;
 211         begin_critical_section(S_CONTROL);
 212         retval = CtdlGetConfigLong("MMnextuser");
 213         ++retval;
 214         CtdlSetConfigLong("MMnextuser", retval);
 215         end_critical_section(S_CONTROL);
 216         return(retval);
 217 }
 218
 219
 220 /*
 221  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 222  */
 223 long get_new_room_number(void)
 224 {
 225         long retval = 0L;
 226         begin_critical_section(S_CONTROL);
 227         retval = CtdlGetConfigLong("MMnextroom");
 228         ++retval;
 229         CtdlSetConfigLong("MMnextroom", retval);
 230         end_critical_section(S_CONTROL);
 231         return(retval);
 232 }
 233
 234
 235 /*
 236  * Helper function for cmd_conf() to handle boolean values
 237  */
 238 int confbool(char *v)
 239 {
 240         if (IsEmptyStr(v)) return(0);
 241         if (atoi(v) != 0) return(1);
 242         return(0);
 243 }
 244
 245
 246 /*
 247  * Get or set global configuration options
 248  */
 249 void cmd_conf(char *argbuf)
 250 {
 251         char cmd[16];
 252         char buf[1024];
 253         int a, i;
 254         long ii;
 255         char *confptr;
 256         char confname[128];
 257
 258         if (CtdlAccessCheck(ac_aide)) return;
 259
 260         extract_token(cmd, argbuf, 0, '|', sizeof cmd);
 261
 262         // CONF GET - retrieve system configuration in legacy format
 263         // This is deprecated; please do not add fields or change their order.
 264         if (!strcasecmp(cmd, "GET")) {
 265                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 266                 cprintf("%s\n",         CtdlGetConfigStr("c_nodename"));
 267                 cprintf("%s\n",         CtdlGetConfigStr("c_fqdn"));
 268                 cprintf("%s\n",         CtdlGetConfigStr("c_humannode"));
 269                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 270                 cprintf("%d\n",         CtdlGetConfigInt("c_creataide"));
 271                 cprintf("%d\n",         CtdlGetConfigInt("c_sleeping"));
 272                 cprintf("%d\n",         CtdlGetConfigInt("c_initax"));
 273                 cprintf("%d\n",         CtdlGetConfigInt("c_regiscall"));
 274                 cprintf("%d\n",         CtdlGetConfigInt("c_twitdetect"));
 275                 cprintf("%s\n",         CtdlGetConfigStr("c_twitroom"));
 276                 cprintf("%s\n",         CtdlGetConfigStr("c_moreprompt"));
 277                 cprintf("%d\n",         CtdlGetConfigInt("c_restrict"));
 278                 cprintf("%s\n",         CtdlGetConfigStr("c_site_location"));
 279                 cprintf("%s\n",         CtdlGetConfigStr("c_sysadm"));
 280                 cprintf("%d\n",         CtdlGetConfigInt("c_maxsessions"));
 281                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 282                 cprintf("%d\n",         CtdlGetConfigInt("c_userpurge"));
 283                 cprintf("%d\n",         CtdlGetConfigInt("c_roompurge"));
 284                 cprintf("%s\n",         CtdlGetConfigStr("c_logpages"));
 285                 cprintf("%d\n",         CtdlGetConfigInt("c_createax"));
 286                 cprintf("%ld\n",        CtdlGetConfigLong("c_maxmsglen"));
 287                 cprintf("%d\n",         CtdlGetConfigInt("c_min_workers"));
 288                 cprintf("%d\n",         CtdlGetConfigInt("c_max_workers"));
 289                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3_port"));
 290                 cprintf("%d\n",         CtdlGetConfigInt("c_smtp_port"));
 291                 cprintf("%d\n",         CtdlGetConfigInt("c_rfc822_strict_from"));
 292                 cprintf("%d\n",         CtdlGetConfigInt("c_aide_zap"));
 293                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_port"));
 294                 cprintf("%ld\n",        CtdlGetConfigLong("c_net_freq"));
 295                 cprintf("%d\n",         CtdlGetConfigInt("c_disable_newu"));
 296                 cprintf("1\n"); /* niu */
 297                 cprintf("%d\n",         CtdlGetConfigInt("c_purge_hour"));
 298 #ifdef HAVE_LDAP
 299                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_host"));
 300                 cprintf("%d\n",         CtdlGetConfigInt("c_ldap_port"));
 301                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_base_dn"));
 302                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_dn"));
 303                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_pw"));
 304 #else
 305                 cprintf("\n");
 306                 cprintf("0\n");
 307                 cprintf("\n");
 308                 cprintf("\n");
 309                 cprintf("\n");
 310 #endif
 311                 cprintf("%s\n",         CtdlGetConfigStr("c_ip_addr"));
 312                 cprintf("%d\n",         CtdlGetConfigInt("c_msa_port"));
 313                 cprintf("%d\n",         CtdlGetConfigInt("c_imaps_port"));
 314                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3s_port"));
 315                 cprintf("%d\n",         CtdlGetConfigInt("c_smtps_port"));
 316                 cprintf("%d\n",         CtdlGetConfigInt("c_enable_fulltext"));
 317                 cprintf("%d\n",         CtdlGetConfigInt("c_auto_cull"));
 318                 cprintf("1\n");
 319                 cprintf("%d\n",         CtdlGetConfigInt("c_allow_spoofing"));
 320                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_email"));
 321                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_pubmsgs"));
 322                 cprintf("%s\n",         CtdlGetConfigStr("c_journal_dest"));
 323                 cprintf("%s\n",         CtdlGetConfigStr("c_default_cal_zone"));
 324                 cprintf("%d\n",         CtdlGetConfigInt("c_pftcpdict_port"));
 325                 cprintf("0\n");
 326                 cprintf("%d\n",         CtdlGetConfigInt("c_auth_mode"));
 327                 cprintf("\n");
 328                 cprintf("\n");
 329                 cprintf("\n");
 330                 cprintf("\n");
 331                 cprintf("%d\n",         CtdlGetConfigInt("c_rbl_at_greeting"));
 332                 cprintf("\n");
 333                 cprintf("\n");
 334                 cprintf("%s\n",         CtdlGetConfigStr("c_pager_program"));
 335                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_keep_from"));
 336                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_c2s_port"));
 337                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_s2s_port"));
 338                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fetch"));
 339                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fastest"));
 340                 cprintf("%d\n",         CtdlGetConfigInt("c_spam_flag_only"));
 341                 cprintf("%d\n",         CtdlGetConfigInt("c_guest_logins"));
 342                 cprintf("%d\n",         CtdlGetConfigInt("c_port_number"));
 343                 cprintf("%d\n",         ctdluid);
 344                 cprintf("%d\n",         CtdlGetConfigInt("c_nntp_port"));
 345                 cprintf("%d\n",         CtdlGetConfigInt("c_nntps_port"));
 346                 cprintf("000\n");
 347         }
 348
 349         // CONF SET - set system configuration in legacy format
 350         // This is deprecated; please do not add fields or change their order.
 351         else if (!strcasecmp(cmd, "SET")) {
 352                 unbuffer_output();
 353                 cprintf("%d Send configuration...\n", SEND_LISTING);
 354                 a = 0;
 355                 while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
 356                         switch (a) {
 357                         case 0:
 358                                 CtdlSetConfigStr("c_nodename", buf);
 359                                 break;
 360                         case 1:
 361                                 CtdlSetConfigStr("c_fqdn", buf);
 362                                 break;
 363                         case 2:
 364                                 CtdlSetConfigStr("c_humannode", buf);
 365                                 break;
 366                         case 3:
 367                                 /* placeholder -- field no longer in use */
 368                                 break;
 369                         case 4:
 370                                 CtdlSetConfigInt("c_creataide", confbool(buf));
 371                                 break;
 372                         case 5:
 373                                 CtdlSetConfigInt("c_sleeping", atoi(buf));
 374                                 break;
 375                         case 6:
 376                                 i = atoi(buf);
 377                                 if (i < 1) i = 1;
 378                                 if (i > 6) i = 6;
 379                                 CtdlSetConfigInt("c_initax", i);
 380                                 break;
 381                         case 7:
 382                                 CtdlSetConfigInt("c_regiscall", confbool(buf));
 383                                 break;
 384                         case 8:
 385                                 CtdlSetConfigInt("c_twitdetect", confbool(buf));
 386                                 break;
 387                         case 9:
 388                                 CtdlSetConfigStr("c_twitroom", buf);
 389                                 break;
 390                         case 10:
 391                                 CtdlSetConfigStr("c_moreprompt", buf);
 392                                 break;
 393                         case 11:
 394                                 CtdlSetConfigInt("c_restrict", confbool(buf));
 395                                 break;
 396                         case 12:
 397                                 CtdlSetConfigStr("c_site_location", buf);
 398                                 break;
 399                         case 13:
 400                                 CtdlSetConfigStr("c_sysadm", buf);
 401                                 break;
 402                         case 14:
 403                                 i = atoi(buf);
 404                                 if (i < 0) i = 0;
 405                                 CtdlSetConfigInt("c_maxsessions", i);
 406                                 break;
 407                         case 15:
 408                                 /* placeholder -- field no longer in use */
 409                                 break;
 410                         case 16:
 411                                 CtdlSetConfigInt("c_userpurge", atoi(buf));
 412                                 break;
 413                         case 17:
 414                                 CtdlSetConfigInt("c_roompurge", atoi(buf));
 415                                 break;
 416                         case 18:
 417                                 CtdlSetConfigStr("c_logpages", buf);
 418                                 break;
 419                         case 19:
 420                                 i = atoi(buf);
 421                                 if (i < 1) i = 1;
 422                                 if (i > 6) i = 6;
 423                                 CtdlSetConfigInt("c_createax", i);
 424                                 break;
 425                         case 20:
 426                                 ii = atol(buf);
 427                                 if (ii >= 8192) {
 428                                         CtdlSetConfigLong("c_maxmsglen", ii);
 429                                 }
 430                                 break;
 431                         case 21:
 432                                 i = atoi(buf);
 433                                 if (i >= 3) {                                   // minimum value
 434                                         CtdlSetConfigInt("c_min_workers", i);
 435                                 }
 436                                 break;
 437                         case 22:
 438                                 i = atoi(buf);
 439                                 if (i >= CtdlGetConfigInt("c_min_workers")) {   // max must be >= min
 440                                         CtdlSetConfigInt("c_max_workers", i);
 441                                 }
 442                                 break;
 443                         case 23:
 444                                 CtdlSetConfigInt("c_pop3_port", atoi(buf));
 445                                 break;
 446                         case 24:
 447                                 CtdlSetConfigInt("c_smtp_port", atoi(buf));
 448                                 break;
 449                         case 25:
 450                                 CtdlSetConfigInt("c_rfc822_strict_from", atoi(buf));
 451                                 break;
 452                         case 26:
 453                                 CtdlSetConfigInt("c_aide_zap", confbool(buf));
 454                                 break;
 455                         case 27:
 456                                 CtdlSetConfigInt("c_imap_port", atoi(buf));
 457                                 break;
 458                         case 28:
 459                                 CtdlSetConfigLong("c_net_freq", atol(buf));
 460                                 break;
 461                         case 29:
 462                                 CtdlSetConfigInt("c_disable_newu", confbool(buf));
 463                                 break;
 464                         case 30:
 465                                 /* niu */
 466                                 break;
 467                         case 31:
 468                                 i = atoi(buf);
 469                                 if ((i >= 0) && (i <= 23)) {
 470                                         CtdlSetConfigInt("c_purge_hour", i);
 471                                 }
 472                                 break;
 473                         case 32:
 474                                 CtdlSetConfigStr("c_ldap_host", buf);
 475                                 break;
 476                         case 33:
 477                                 CtdlSetConfigInt("c_ldap_port", atoi(buf));
 478                                 break;
 479                         case 34:
 480                                 CtdlSetConfigStr("c_ldap_base_dn", buf);
 481                                 break;
 482                         case 35:
 483                                 CtdlSetConfigStr("c_ldap_bind_dn", buf);
 484                                 break;
 485                         case 36:
 486                                 CtdlSetConfigStr("c_ldap_bind_pw", buf);
 487                                 break;
 488                         case 37:
 489                                 CtdlSetConfigStr("c_ip_addr", buf);
 490                                 break;
 491                         case 38:
 492                                 CtdlSetConfigInt("c_msa_port", atoi(buf));
 493                                 break;
 494                         case 39:
 495                                 CtdlSetConfigInt("c_imaps_port", atoi(buf));
 496                                 break;
 497                         case 40:
 498                                 CtdlSetConfigInt("c_pop3s_port", atoi(buf));
 499                                 break;
 500                         case 41:
 501                                 CtdlSetConfigInt("c_smtps_port", atoi(buf));
 502                                 break;
 503                         case 42:
 504                                 CtdlSetConfigInt("c_enable_fulltext", confbool(buf));
 505                                 break;
 506                         case 43:
 507                                 CtdlSetConfigInt("c_auto_cull", confbool(buf));
 508                                 break;
 509                         case 44:
 510                                 /* niu */
 511                                 break;
 512                         case 45:
 513                                 CtdlSetConfigInt("c_allow_spoofing", confbool(buf));
 514                                 break;
 515                         case 46:
 516                                 CtdlSetConfigInt("c_journal_email", confbool(buf));
 517                                 break;
 518                         case 47:
 519                                 CtdlSetConfigInt("c_journal_pubmsgs", confbool(buf));
 520                                 break;
 521                         case 48:
 522                                 CtdlSetConfigStr("c_journal_dest", buf);
 523                                 break;
 524                         case 49:
 525                                 CtdlSetConfigStr("c_default_cal_zone", buf);
 526                                 break;
 527                         case 50:
 528                                 CtdlSetConfigInt("c_pftcpdict_port", atoi(buf));
 529                                 break;
 530                         case 51:
 531                                 /* niu */
 532                                 break;
 533                         case 52:
 534                                 CtdlSetConfigInt("c_auth_mode", atoi(buf));
 535                                 break;
 536                         case 53:
 537                                 /* niu */
 538                                 break;
 539                         case 54:
 540                                 /* niu */
 541                                 break;
 542                         case 55:
 543                                 /* niu */
 544                                 break;
 545                         case 56:
 546                                 /* niu */
 547                                 break;
 548                         case 57:
 549                                 CtdlSetConfigInt("c_rbl_at_greeting", confbool(buf));
 550                                 break;
 551                         case 58:
 552                                 /* niu */
 553                                 break;
 554                         case 59:
 555                                 /* niu */
 556                                 break;
 557                         case 60:
 558                                 CtdlSetConfigStr("c_pager_program", buf);
 559                                 break;
 560                         case 61:
 561                                 CtdlSetConfigInt("c_imap_keep_from", confbool(buf));
 562                                 break;
 563                         case 62:
 564                                 CtdlSetConfigInt("c_xmpp_c2s_port", atoi(buf));
 565                                 break;
 566                         case 63:
 567                                 CtdlSetConfigInt("c_xmpp_s2s_port", atoi(buf));
 568                                 break;
 569                         case 64:
 570                                 CtdlSetConfigLong("c_pop3_fetch", atol(buf));
 571                                 break;
 572                         case 65:
 573                                 CtdlSetConfigLong("c_pop3_fastest", atol(buf));
 574                                 break;
 575                         case 66:
 576                                 CtdlSetConfigInt("c_spam_flag_only", confbool(buf));
 577                                 break;
 578                         case 67:
 579                                 CtdlSetConfigInt("c_guest_logins", confbool(buf));
 580                                 break;
 581                         case 68:
 582                                 CtdlSetConfigInt("c_port_number", atoi(buf));
 583                                 break;
 584                         case 69:
 585                                 /* niu */
 586                                 break;
 587                         case 70:
 588                                 CtdlSetConfigInt("c_nntp_port", atoi(buf));
 589                                 break;
 590                         case 71:
 591                                 CtdlSetConfigInt("c_nntps_port", atoi(buf));
 592                                 break;
 593                         }
 594                         ++a;
 595                 }
 596                 snprintf(buf, sizeof buf,
 597                         "The global system configuration has been edited by %s.\n",
 598                          (CC->logged_in ? CC->curr_user : "an administrator")
 599                 );
 600                 CtdlAideMessage(buf, "Citadel Configuration Manager Message");
 601
 602                 if (!IsEmptyStr(CtdlGetConfigStr("c_logpages")))
 603                         CtdlCreateRoom(CtdlGetConfigStr("c_logpages"), 3, "", 0, 1, 1, VIEW_BBS);
 604
 605                 /* If full text indexing has been disabled, invalidate the
 606                  * index so it doesn't try to use it later.
 607                  */
 608                 if (CtdlGetConfigInt("c_enable_fulltext") == 0) {
 609                         CtdlSetConfigInt("MM_fulltext_wordbreaker", 0);
 610                 }
 611         }
 612
 613         // CONF GETSYS - retrieve arbitrary system configuration stanzas stored in the message base
 614         else if (!strcasecmp(cmd, "GETSYS")) {
 615                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 616                 confptr = CtdlGetSysConfig(confname);
 617                 if (confptr != NULL) {
 618                         long len;
 619
 620                         len = strlen(confptr);
 621                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 622                         client_write(confptr, len);
 623                         if ((len > 0) && (confptr[len - 1] != 10))
 624                                 client_write("\n", 1);
 625                         cprintf("000\n");
 626                         free(confptr);
 627                 } else {
 628                         cprintf("%d No such configuration.\n",
 629                                 ERROR + ILLEGAL_VALUE);
 630                 }
 631         }
 632
 633         // CONF PUTSYS - store arbitrary system configuration stanzas in the message base
 634         else if (!strcasecmp(cmd, "PUTSYS")) {
 635                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 636                 unbuffer_output();
 637                 cprintf("%d %s\n", SEND_LISTING, confname);
 638                 confptr = CtdlReadMessageBody(HKEY("000"), CtdlGetConfigLong("c_maxmsglen"), NULL, 0);
 639                 CtdlPutSysConfig(confname, confptr);
 640                 free(confptr);
 641         }
 642
 643         // CONF GETVAL - retrieve configuration variables from the database
 644         // CONF LOADVAL - same thing but can handle variables bigger than 1 KB
 645         else if ( (!strcasecmp(cmd, "GETVAL")) || (!strcasecmp(cmd, "LOADVAL")) ) {
 646                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 647                 char *v = CtdlGetConfigStr(confname);
 648                 if ( (v) && (!strcasecmp(cmd, "GETVAL")) ) {
 649                         cprintf("%d %s|\n", CIT_OK, v);
 650                 }
 651                 else if ( (v) && (!strcasecmp(cmd, "LOADVAL")) ) {
 652                         cprintf("%d %d\n", BINARY_FOLLOWS, (int)strlen(v));
 653                         client_write(v, strlen(v));
 654                 }
 655                 else {
 656                         cprintf("%d |\n", ERROR);
 657                 }
 658         }
 659
 660         // CONF PUTVAL - store configuration variables in the database
 661         else if (!strcasecmp(cmd, "PUTVAL")) {
 662                 if (num_tokens(argbuf, '|') < 3) {
 663                         cprintf("%d name and value required\n", ERROR);
 664                 }
 665                 else {
 666                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 667                         extract_token(buf, argbuf, 2, '|', sizeof buf);
 668                         CtdlSetConfigStr(confname, buf);
 669                         cprintf("%d setting '%s' to '%s'\n", CIT_OK, confname, buf);
 670                 }
 671         }
 672
 673         // CONF STOREVAL - store configuration variables in the database bigger than 1 KB
 674         else if (!strcasecmp(cmd, "STOREVAL")) {
 675                 if (num_tokens(argbuf, '|') < 3) {
 676                         cprintf("%d name and length required\n", ERROR);
 677                 }
 678                 else {
 679                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 680                         int bytes = extract_int(argbuf, 2);
 681                         char *valbuf = malloc(bytes + 1);
 682                         cprintf("%d %d\n", SEND_BINARY, bytes);
 683                         client_read(valbuf, bytes);
 684                         valbuf[bytes+1] = 0;
 685                         CtdlSetConfigStr(confname, valbuf);
 686                         free(valbuf);
 687                 }
 688         }
 689
 690         // CONF LISTVAL - list configuration variables in the database and their values
 691         else if (!strcasecmp(cmd, "LISTVAL")) {
 692                 struct cdbdata *cdbcfg;
 693                 int keylen = 0;
 694                 char *key = NULL;
 695                 char *value = NULL;
 696
 697                 cprintf("%d all configuration variables\n", LISTING_FOLLOWS);
 698                 cdb_rewind(CDB_CONFIG);
 699                 while (cdbcfg = cdb_next_item(CDB_CONFIG), cdbcfg != NULL) {
 700                         if (cdbcfg->len < 1020) {
 701                                 keylen = strlen(cdbcfg->ptr);
 702                                 key = cdbcfg->ptr;
 703                                 value = cdbcfg->ptr + keylen + 1;
 704                                 cprintf("%s|%s\n", key, value);
 705                         }
 706                         cdb_free(cdbcfg);
 707                 }
 708                 cprintf("000\n");
 709         }
 710
 711         else {
 712                 cprintf("%d Illegal option(s) specified.\n", ERROR + ILLEGAL_VALUE);
 713         }
 714 }
 715
 716
 717 typedef struct __ConfType {
 718         ConstStr Name;
 719         long Type;
 720 }ConfType;
 721
 722 ConfType CfgNames[] = {
 723         { {HKEY("localhost") },    0},
 724         { {HKEY("directory") },    0},
 725         { {HKEY("smarthost") },    2},
 726         { {HKEY("fallbackhost") }, 2},
 727         { {HKEY("rbl") },          3},
 728         { {HKEY("spamassassin") }, 3},
 729         { {HKEY("masqdomain") },   1},
 730         { {HKEY("clamav") },       3},
 731         { {HKEY("notify") },       3},
 732         { {NULL, 0}, 0}
 733 };
 734
 735 HashList *CfgNameHash = NULL;
 736 void cmd_gvdn(char *argbuf)
 737 {
 738         const ConfType *pCfg;
 739         char *confptr;
 740         long min = atol(argbuf);
 741         const char *Pos = NULL;
 742         const char *PPos = NULL;
 743         const char *HKey;
 744         long HKLen;
 745         StrBuf *Line;
 746         StrBuf *Config;
 747         StrBuf *Cfg;
 748         StrBuf *CfgToken;
 749         HashList *List;
 750         HashPos *It;
 751         void *vptr;
 752
 753         List = NewHash(1, NULL);
 754         Cfg = NewStrBufPlain(CtdlGetConfigStr("c_fqdn"), -1);
 755         Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 756         Cfg = NULL;
 757
 758         confptr = CtdlGetSysConfig(INTERNETCFG);
 759         Config = NewStrBufPlain(confptr, -1);
 760         free(confptr);
 761
 762         Line = NewStrBufPlain(NULL, StrLength(Config));
 763         CfgToken = NewStrBufPlain(NULL, StrLength(Config));
 764         while (StrBufSipLine(Line, Config, &Pos))
 765         {
 766                 if (Cfg == NULL)
 767                         Cfg = NewStrBufPlain(NULL, StrLength(Line));
 768                 PPos = NULL;
 769                 StrBufExtract_NextToken(Cfg, Line, &PPos, '|');
 770                 StrBufExtract_NextToken(CfgToken, Line, &PPos, '|');
 771                 if (GetHash(CfgNameHash, SKEY(CfgToken), &vptr) &&
 772                     (vptr != NULL))
 773                 {
 774                         pCfg = (ConfType *) vptr;
 775                         if (pCfg->Type <= min)
 776                         {
 777                                 Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 778                                 Cfg = NULL;
 779                         }
 780                 }
 781         }
 782
 783         cprintf("%d Valid Domains\n", LISTING_FOLLOWS);
 784         It = GetNewHashPos(List, 1);
 785         while (GetNextHashPos(List, It, &HKLen, &HKey, &vptr))
 786         {
 787                 cputbuf(vptr);
 788                 cprintf("\n");
 789         }
 790         cprintf("000\n");
 791
 792         DeleteHashPos(&It);
 793         DeleteHash(&List);
 794         FreeStrBuf(&Cfg);
 795         FreeStrBuf(&Line);
 796         FreeStrBuf(&CfgToken);
 797         FreeStrBuf(&Config);
 798 }
 799
 800 /*****************************************************************************/
 801 /*                      MODULE INITIALIZATION STUFF                          */
 802 /*****************************************************************************/
 803
 804 CTDL_MODULE_INIT(control)
 805 {
 806         if (!threading) {
 807                 int i;
 808
 809                 CfgNameHash = NewHash(1, NULL);
 810                 for (i = 0; CfgNames[i].Name.Key != NULL; i++)
 811                         Put(CfgNameHash, CKEY(CfgNames[i].Name), &CfgNames[i], reference_free_handler);
 812
 813                 CtdlRegisterProtoHook(cmd_gvdn, "GVDN", "get valid domain names");
 814                 CtdlRegisterProtoHook(cmd_conf, "CONF", "get/set system configuration");
 815         }
 816         /* return our id for the Log */
 817         return "control";
 818 }