citadel/server/control.c

   1 //
   2 // This module handles states which are global to the entire server.
   3 //
   4 // Copyright (c) 1987-2023 by the citadel.org team
   5 //
   6 // This program is open source software.  Use, duplication, or disclosure
   7 // is subject to the terms of the GNU General Public License, version 3.
   8
   9 #include <stdio.h>
  10 #include <sys/file.h>
  11 #include <libcitadel.h>
  12
  13 #include "ctdl_module.h"
  14 #include "config.h"
  15 #include "citserver.h"
  16 #include "user_ops.h"
  17 #include "room_ops.h"
  18
  19 long control_highest_user = 0;
  20
  21 // This is the legacy "control record" format for the message base.  If found
  22 // on disk, its contents will be migrated into the system configuration.  Never
  23 // change this.
  24 struct legacy_ctrl_format {
  25         long MMhighest;                 // highest message number in file
  26         unsigned MMflags;               // Global system flags
  27         long MMnextuser;                // highest user number on system
  28         long MMnextroom;                // highest room number on system
  29         int MM_hosted_upgrade_level;    // Server-hosted upgrade level
  30         int MM_fulltext_wordbreaker;    // ID of wordbreaker in use
  31         long MMfulltext;                // highest message number indexed
  32         int MMdbversion;                // Version of Berkeley DB used on previous server run
  33 };
  34
  35
  36 // data that gets passed back and forth between control_find_highest() and its caller
  37 struct cfh {
  38         long highest_roomnum_found;
  39         long highest_msgnum_found;
  40 };
  41
  42
  43 // Callback to get highest room number when rebuilding message base metadata
  44 //
  45 // sanity_diag_mode (can be set by -s flag at startup) may be:
  46 // 0 = attempt to fix inconsistencies
  47 // 1 = show inconsistencies but don't repair them, exit after complete
  48 // 2 = show inconsistencies but don't repair them, continue execution
  49 void control_find_highest(struct ctdlroom *qrbuf, void *data) {
  50         struct cfh *cfh = (struct cfh *)data;
  51         long *msglist;
  52         int num_msgs=0;
  53         int c;
  54
  55         if (qrbuf->QRnumber > cfh->highest_roomnum_found) {
  56                 cfh->highest_roomnum_found = qrbuf->QRnumber;
  57         }
  58
  59         // Load the message list
  60         num_msgs = CtdlFetchMsgList(qrbuf->QRnumber, &msglist);
  61         if (num_msgs < 0) {
  62                 return; // No msglists record?  No further action.
  63         }
  64
  65         if (num_msgs > 0) {
  66                 for (c=0; c<num_msgs; c++) {
  67                         if (msglist[c] > cfh->highest_msgnum_found) {
  68                                 cfh->highest_msgnum_found = msglist[c];
  69                         }
  70                 }
  71         }
  72
  73         free(msglist);
  74 }
  75
  76
  77 // Callback to get highest user number.
  78 void control_find_user(char *username, void *out_data) {
  79         struct ctdluser EachUser;
  80
  81         if (CtdlGetUser(&EachUser, username) != 0) {
  82                 return;
  83         }
  84
  85         if (EachUser.usernum > CtdlGetConfigLong("MMnextuser")) {
  86                 syslog(LOG_DEBUG, "control: fixing MMnextuser %ld > %ld , found in %s",
  87                         EachUser.usernum, CtdlGetConfigLong("MMnextuser"), EachUser.fullname
  88                 );
  89                 if (!sanity_diag_mode) {
  90                         CtdlSetConfigLong("MMnextuser", EachUser.usernum);
  91                 }
  92         }
  93 }
  94
  95
  96 // If we have a legacy format control record on disk, import it.
  97 void migrate_legacy_control_record(void) {
  98         FILE *fp = NULL;
  99         struct legacy_ctrl_format c;
 100         memset(&c, 0, sizeof(c));
 101
 102         fp = fopen("citadel.control", "rb+");
 103         if (fp != NULL) {
 104                 syslog(LOG_INFO, "control: legacy format record found -- importing to db");
 105                 fread(&c, sizeof(struct legacy_ctrl_format), 1, fp);
 106
 107                 CtdlSetConfigLong(      "MMhighest",                    c.MMhighest);
 108                 CtdlSetConfigInt(       "MMflags",                      c.MMflags);
 109                 CtdlSetConfigLong(      "MMnextuser",                   c.MMnextuser);
 110                 CtdlSetConfigLong(      "MMnextroom",                   c.MMnextroom);
 111                 CtdlSetConfigInt(       "MM_hosted_upgrade_level",      c.MM_hosted_upgrade_level);
 112                 CtdlSetConfigInt(       "MM_fulltext_wordbreaker",      c.MM_fulltext_wordbreaker);
 113                 CtdlSetConfigLong(      "MMfulltext",                   c.MMfulltext);
 114
 115                 fclose(fp);
 116                 if (unlink("citadel.control") != 0) {
 117                         fprintf(stderr, "Unable to remove legacy control record after migrating it.\n");
 118                         fprintf(stderr, "Exiting to prevent data corruption.\n");
 119                         exit(CTDLEXIT_CONFIG);
 120                 }
 121         }
 122 }
 123
 124
 125 // check_control   -  check the control record has sensible values for message, user and room numbers
 126 void check_control(void) {
 127
 128         syslog(LOG_INFO, "control: sanity checking the recorded highest message and room numbers");
 129         struct cfh cfh;
 130         memset(&cfh, 0, sizeof(struct cfh));
 131         CtdlForEachRoom(control_find_highest, &cfh);
 132
 133         if (cfh.highest_roomnum_found > CtdlGetConfigLong("MMnextroom")) {
 134                 syslog(LOG_DEBUG, "control: fixing MMnextroom %ld > %ld", cfh.highest_roomnum_found, CtdlGetConfigLong("MMnextroom"));
 135                 if (!sanity_diag_mode) {
 136                         CtdlSetConfigLong("MMnextroom", cfh.highest_roomnum_found);
 137                 }
 138         }
 139
 140         if (cfh.highest_msgnum_found > CtdlGetConfigLong("MMhighest")) {
 141                 syslog(LOG_DEBUG, "control: fixing MMhighest %ld > %ld", cfh.highest_msgnum_found, CtdlGetConfigLong("MMhighest"));
 142                 if (!sanity_diag_mode) {
 143                         CtdlSetConfigLong("MMhighest", cfh.highest_msgnum_found);
 144                 }
 145         }
 146
 147         syslog(LOG_INFO, "control: sanity checking the recorded highest user number");
 148         ForEachUser(control_find_user, NULL);
 149
 150         syslog(LOG_INFO, "control: sanity checks complete");
 151
 152         if (sanity_diag_mode == 1) {
 153                 syslog(LOG_INFO, "control: sanity check diagnostic mode is active - exiting now");
 154                 exit(CTDLEXIT_SANITY);
 155         }
 156 }
 157
 158
 159 // get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
 160 long get_new_message_number(void) {
 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 // CtdlGetCurrentMessageNumber()  -  Obtain the current highest message number in the system
 172 // This provides a quick way to initialize a variable that might be used to indicate
 173 // messages that should not be processed.   For example, an inbox rules script will use this
 174 // to record determine that messages older than this should not be processed.
 175 //
 176 // (Why is this function here?  Can't we just go straight to the config variable it fetches?)
 177 long CtdlGetCurrentMessageNumber(void) {
 178         return CtdlGetConfigLong("MMhighest");
 179 }
 180
 181
 182 // get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
 183 long get_new_user_number(void) {
 184         long retval = 0L;
 185         begin_critical_section(S_CONTROL);
 186         retval = CtdlGetConfigLong("MMnextuser");
 187         ++retval;
 188         CtdlSetConfigLong("MMnextuser", retval);
 189         end_critical_section(S_CONTROL);
 190         return(retval);
 191 }
 192
 193
 194 // get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 195 long get_new_room_number(void) {
 196         long retval = 0L;
 197         begin_critical_section(S_CONTROL);
 198         retval = CtdlGetConfigLong("MMnextroom");
 199         ++retval;
 200         CtdlSetConfigLong("MMnextroom", retval);
 201         end_critical_section(S_CONTROL);
 202         return(retval);
 203 }
 204
 205
 206 // Helper function for cmd_conf() to handle boolean values
 207 int confbool(char *v) {
 208         if (IsEmptyStr(v)) return(0);
 209         if (atoi(v) != 0) return(1);
 210         return(0);
 211 }
 212
 213
 214 // Get or set global configuration options
 215 void cmd_conf(char *argbuf) {
 216         char cmd[16];
 217         char buf[1024];
 218         int a, i;
 219         long ii;
 220         char *confptr;
 221         char confname[128];
 222
 223         if (CtdlAccessCheck(ac_aide)) return;
 224
 225         extract_token(cmd, argbuf, 0, '|', sizeof cmd);
 226
 227         // CONF GET - retrieve system configuration in legacy format
 228         // This is deprecated; please do not add fields or change their order.
 229         if (!strcasecmp(cmd, "GET")) {
 230                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 231                 cprintf("%s\n",         CtdlGetConfigStr("c_nodename"));
 232                 cprintf("%s\n",         CtdlGetConfigStr("c_fqdn"));
 233                 cprintf("%s\n",         CtdlGetConfigStr("c_humannode"));
 234                 cprintf("xxx\n");       // placeholder -- field no longer in use
 235                 cprintf("%d\n",         CtdlGetConfigInt("c_creataide"));
 236                 cprintf("%d\n",         CtdlGetConfigInt("c_sleeping"));
 237                 cprintf("%d\n",         CtdlGetConfigInt("c_initax"));
 238                 cprintf("%d\n",         CtdlGetConfigInt("c_regiscall"));
 239                 cprintf("%d\n",         CtdlGetConfigInt("c_twitdetect"));
 240                 cprintf("%s\n",         CtdlGetConfigStr("c_twitroom"));
 241                 cprintf("%s\n",         CtdlGetConfigStr("c_moreprompt"));
 242                 cprintf("%d\n",         CtdlGetConfigInt("c_restrict"));
 243                 cprintf("%s\n",         CtdlGetConfigStr("c_site_location"));
 244                 cprintf("%s\n",         CtdlGetConfigStr("c_sysadm"));
 245                 cprintf("%d\n",         CtdlGetConfigInt("c_maxsessions"));
 246                 cprintf("xxx\n");       // placeholder -- field no longer in use
 247                 cprintf("%d\n",         CtdlGetConfigInt("c_userpurge"));
 248                 cprintf("%d\n",         CtdlGetConfigInt("c_roompurge"));
 249                 cprintf("%s\n",         CtdlGetConfigStr("c_logpages"));
 250                 cprintf("%d\n",         CtdlGetConfigInt("c_createax"));
 251                 cprintf("%ld\n",        CtdlGetConfigLong("c_maxmsglen"));
 252                 cprintf("%d\n",         CtdlGetConfigInt("c_min_workers"));
 253                 cprintf("%d\n",         CtdlGetConfigInt("c_max_workers"));
 254                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3_port"));
 255                 cprintf("%d\n",         CtdlGetConfigInt("c_smtp_port"));
 256                 cprintf("%d\n",         CtdlGetConfigInt("c_rfc822_strict_from"));
 257                 cprintf("%d\n",         CtdlGetConfigInt("c_aide_zap"));
 258                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_port"));
 259                 cprintf("%ld\n",        CtdlGetConfigLong("c_net_freq"));
 260                 cprintf("%d\n",         CtdlGetConfigInt("c_disable_newu"));
 261                 cprintf("1\n");         // niu
 262                 cprintf("%d\n",         CtdlGetConfigInt("c_purge_hour"));
 263                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_host"));
 264                 cprintf("%d\n",         CtdlGetConfigInt("c_ldap_port"));
 265                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_base_dn"));
 266                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_dn"));
 267                 cprintf("%s\n",         CtdlGetConfigStr("c_ldap_bind_pw"));
 268                 cprintf("%s\n",         CtdlGetConfigStr("c_ip_addr"));
 269                 cprintf("%d\n",         CtdlGetConfigInt("c_msa_port"));
 270                 cprintf("%d\n",         CtdlGetConfigInt("c_imaps_port"));
 271                 cprintf("%d\n",         CtdlGetConfigInt("c_pop3s_port"));
 272                 cprintf("%d\n",         CtdlGetConfigInt("c_smtps_port"));
 273                 cprintf("%d\n",         CtdlGetConfigInt("c_enable_fulltext"));
 274                 cprintf("%d\n",         CtdlGetConfigInt("c_auto_cull"));
 275                 cprintf("1\n");
 276                 cprintf("%d\n",         CtdlGetConfigInt("c_allow_spoofing"));
 277                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_email"));
 278                 cprintf("%d\n",         CtdlGetConfigInt("c_journal_pubmsgs"));
 279                 cprintf("%s\n",         CtdlGetConfigStr("c_journal_dest"));
 280                 cprintf("%s\n",         CtdlGetConfigStr("c_default_cal_zone"));
 281                 cprintf("%d\n",         CtdlGetConfigInt("c_pftcpdict_port"));
 282                 cprintf("0\n");
 283                 cprintf("%d\n",         CtdlGetConfigInt("c_auth_mode"));
 284                 cprintf("\n");
 285                 cprintf("\n");
 286                 cprintf("\n");
 287                 cprintf("\n");
 288                 cprintf("%d\n",         CtdlGetConfigInt("c_rbl_at_greeting"));
 289                 cprintf("\n");
 290                 cprintf("\n");
 291                 cprintf("%s\n",         CtdlGetConfigStr("c_pager_program"));
 292                 cprintf("%d\n",         CtdlGetConfigInt("c_imap_keep_from"));
 293                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_c2s_port"));
 294                 cprintf("%d\n",         CtdlGetConfigInt("c_xmpp_s2s_port"));
 295                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fetch"));
 296                 cprintf("%ld\n",        CtdlGetConfigLong("c_pop3_fastest"));
 297                 cprintf("%d\n",         CtdlGetConfigInt("c_spam_flag_only"));
 298                 cprintf("%d\n",         CtdlGetConfigInt("c_guest_logins"));
 299                 cprintf("%d\n",         CtdlGetConfigInt("c_port_number"));
 300                 cprintf("%d\n",         ctdluid);
 301                 cprintf("%d\n",         CtdlGetConfigInt("c_nntp_port"));
 302                 cprintf("%d\n",         CtdlGetConfigInt("c_nntps_port"));
 303                 cprintf("000\n");
 304         }
 305
 306         // CONF SET - set system configuration in legacy format
 307         // This is deprecated; please do not add fields or change their order.
 308         else if (!strcasecmp(cmd, "SET")) {
 309                 unbuffer_output();
 310                 cprintf("%d Send configuration...\n", SEND_LISTING);
 311                 a = 0;
 312                 while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
 313                         switch (a) {
 314                         case 0:
 315                                 CtdlSetConfigStr("c_nodename", buf);
 316                                 break;
 317                         case 1:
 318                                 CtdlSetConfigStr("c_fqdn", buf);
 319                                 break;
 320                         case 2:
 321                                 CtdlSetConfigStr("c_humannode", buf);
 322                                 break;
 323                         case 3:
 324                                 // placeholder -- field no longer in use
 325                                 break;
 326                         case 4:
 327                                 CtdlSetConfigInt("c_creataide", confbool(buf));
 328                                 break;
 329                         case 5:
 330                                 CtdlSetConfigInt("c_sleeping", atoi(buf));
 331                                 break;
 332                         case 6:
 333                                 i = atoi(buf);
 334                                 if (i < 1) i = 1;
 335                                 if (i > 6) i = 6;
 336                                 CtdlSetConfigInt("c_initax", i);
 337                                 break;
 338                         case 7:
 339                                 CtdlSetConfigInt("c_regiscall", confbool(buf));
 340                                 break;
 341                         case 8:
 342                                 CtdlSetConfigInt("c_twitdetect", confbool(buf));
 343                                 break;
 344                         case 9:
 345                                 CtdlSetConfigStr("c_twitroom", buf);
 346                                 break;
 347                         case 10:
 348                                 CtdlSetConfigStr("c_moreprompt", buf);
 349                                 break;
 350                         case 11:
 351                                 CtdlSetConfigInt("c_restrict", confbool(buf));
 352                                 break;
 353                         case 12:
 354                                 CtdlSetConfigStr("c_site_location", buf);
 355                                 break;
 356                         case 13:
 357                                 CtdlSetConfigStr("c_sysadm", buf);
 358                                 break;
 359                         case 14:
 360                                 i = atoi(buf);
 361                                 if (i < 0) i = 0;
 362                                 CtdlSetConfigInt("c_maxsessions", i);
 363                                 break;
 364                         case 15:
 365                                 // placeholder -- field no longer in use
 366                                 break;
 367                         case 16:
 368                                 CtdlSetConfigInt("c_userpurge", atoi(buf));
 369                                 break;
 370                         case 17:
 371                                 CtdlSetConfigInt("c_roompurge", atoi(buf));
 372                                 break;
 373                         case 18:
 374                                 CtdlSetConfigStr("c_logpages", buf);
 375                                 break;
 376                         case 19:
 377                                 i = atoi(buf);
 378                                 if (i < 1) i = 1;
 379                                 if (i > 6) i = 6;
 380                                 CtdlSetConfigInt("c_createax", i);
 381                                 break;
 382                         case 20:
 383                                 ii = atol(buf);
 384                                 if (ii >= 8192) {
 385                                         CtdlSetConfigLong("c_maxmsglen", ii);
 386                                 }
 387                                 break;
 388                         case 21:
 389                                 i = atoi(buf);
 390                                 if (i >= 3) {                                   // minimum value
 391                                         CtdlSetConfigInt("c_min_workers", i);
 392                                 }
 393                                 break;
 394                         case 22:
 395                                 i = atoi(buf);
 396                                 if (i >= CtdlGetConfigInt("c_min_workers")) {   // max must be >= min
 397                                         CtdlSetConfigInt("c_max_workers", i);
 398                                 }
 399                                 break;
 400                         case 23:
 401                                 CtdlSetConfigInt("c_pop3_port", atoi(buf));
 402                                 break;
 403                         case 24:
 404                                 CtdlSetConfigInt("c_smtp_port", atoi(buf));
 405                                 break;
 406                         case 25:
 407                                 CtdlSetConfigInt("c_rfc822_strict_from", atoi(buf));
 408                                 break;
 409                         case 26:
 410                                 CtdlSetConfigInt("c_aide_zap", confbool(buf));
 411                                 break;
 412                         case 27:
 413                                 CtdlSetConfigInt("c_imap_port", atoi(buf));
 414                                 break;
 415                         case 28:
 416                                 CtdlSetConfigLong("c_net_freq", atol(buf));
 417                                 break;
 418                         case 29:
 419                                 CtdlSetConfigInt("c_disable_newu", confbool(buf));
 420                                 break;
 421                         case 30:
 422                                 // niu
 423                                 break;
 424                         case 31:
 425                                 i = atoi(buf);
 426                                 if ((i >= 0) && (i <= 23)) {
 427                                         CtdlSetConfigInt("c_purge_hour", i);
 428                                 }
 429                                 break;
 430                         case 32:
 431                                 CtdlSetConfigStr("c_ldap_host", buf);
 432                                 break;
 433                         case 33:
 434                                 CtdlSetConfigInt("c_ldap_port", atoi(buf));
 435                                 break;
 436                         case 34:
 437                                 CtdlSetConfigStr("c_ldap_base_dn", buf);
 438                                 break;
 439                         case 35:
 440                                 CtdlSetConfigStr("c_ldap_bind_dn", buf);
 441                                 break;
 442                         case 36:
 443                                 CtdlSetConfigStr("c_ldap_bind_pw", buf);
 444                                 break;
 445                         case 37:
 446                                 CtdlSetConfigStr("c_ip_addr", buf);
 447                                 break;
 448                         case 38:
 449                                 CtdlSetConfigInt("c_msa_port", atoi(buf));
 450                                 break;
 451                         case 39:
 452                                 CtdlSetConfigInt("c_imaps_port", atoi(buf));
 453                                 break;
 454                         case 40:
 455                                 CtdlSetConfigInt("c_pop3s_port", atoi(buf));
 456                                 break;
 457                         case 41:
 458                                 CtdlSetConfigInt("c_smtps_port", atoi(buf));
 459                                 break;
 460                         case 42:
 461                                 CtdlSetConfigInt("c_enable_fulltext", confbool(buf));
 462                                 break;
 463                         case 43:
 464                                 CtdlSetConfigInt("c_auto_cull", confbool(buf));
 465                                 break;
 466                         case 44:
 467                                 // niu
 468                                 break;
 469                         case 45:
 470                                 CtdlSetConfigInt("c_allow_spoofing", confbool(buf));
 471                                 break;
 472                         case 46:
 473                                 CtdlSetConfigInt("c_journal_email", confbool(buf));
 474                                 break;
 475                         case 47:
 476                                 CtdlSetConfigInt("c_journal_pubmsgs", confbool(buf));
 477                                 break;
 478                         case 48:
 479                                 CtdlSetConfigStr("c_journal_dest", buf);
 480                                 break;
 481                         case 49:
 482                                 CtdlSetConfigStr("c_default_cal_zone", buf);
 483                                 break;
 484                         case 50:
 485                                 CtdlSetConfigInt("c_pftcpdict_port", atoi(buf));
 486                                 break;
 487                         case 51:
 488                                 // niu
 489                                 break;
 490                         case 52:
 491                                 CtdlSetConfigInt("c_auth_mode", atoi(buf));
 492                                 break;
 493                         case 53:
 494                                 // niu
 495                                 break;
 496                         case 54:
 497                                 // niu
 498                                 break;
 499                         case 55:
 500                                 // niu
 501                                 break;
 502                         case 56:
 503                                 // niu
 504                                 break;
 505                         case 57:
 506                                 CtdlSetConfigInt("c_rbl_at_greeting", confbool(buf));
 507                                 break;
 508                         case 58:
 509                                 // niu
 510                                 break;
 511                         case 59:
 512                                 // niu
 513                                 break;
 514                         case 60:
 515                                 CtdlSetConfigStr("c_pager_program", buf);
 516                                 break;
 517                         case 61:
 518                                 CtdlSetConfigInt("c_imap_keep_from", confbool(buf));
 519                                 break;
 520                         case 62:
 521                                 CtdlSetConfigInt("c_xmpp_c2s_port", atoi(buf));
 522                                 break;
 523                         case 63:
 524                                 CtdlSetConfigInt("c_xmpp_s2s_port", atoi(buf));
 525                                 break;
 526                         case 64:
 527                                 CtdlSetConfigLong("c_pop3_fetch", atol(buf));
 528                                 break;
 529                         case 65:
 530                                 CtdlSetConfigLong("c_pop3_fastest", atol(buf));
 531                                 break;
 532                         case 66:
 533                                 CtdlSetConfigInt("c_spam_flag_only", confbool(buf));
 534                                 break;
 535                         case 67:
 536                                 CtdlSetConfigInt("c_guest_logins", confbool(buf));
 537                                 break;
 538                         case 68:
 539                                 CtdlSetConfigInt("c_port_number", atoi(buf));
 540                                 break;
 541                         case 69:
 542                                 // niu
 543                                 break;
 544                         case 70:
 545                                 CtdlSetConfigInt("c_nntp_port", atoi(buf));
 546                                 break;
 547                         case 71:
 548                                 CtdlSetConfigInt("c_nntps_port", atoi(buf));
 549                                 break;
 550                         }
 551                         ++a;
 552                 }
 553                 snprintf(buf, sizeof buf,
 554                         "The global system configuration has been edited by %s.\n",
 555                          (CC->logged_in ? CC->curr_user : "an administrator")
 556                 );
 557                 CtdlAideMessage(buf, "Citadel Configuration Manager Message");
 558
 559                 if (!IsEmptyStr(CtdlGetConfigStr("c_logpages")))
 560                         CtdlCreateRoom(CtdlGetConfigStr("c_logpages"), 3, "", 0, 1, 1, VIEW_BBS);
 561
 562                 // If full text indexing has been disabled, invalidate the index so it doesn't try to use it later.
 563                 if (CtdlGetConfigInt("c_enable_fulltext") == 0) {
 564                         CtdlSetConfigInt("MM_fulltext_wordbreaker", 0);
 565                 }
 566         }
 567
 568         // CONF GETSYS - retrieve arbitrary system configuration stanzas stored in the message base
 569         else if (!strcasecmp(cmd, "GETSYS")) {
 570                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 571                 confptr = CtdlGetSysConfig(confname);
 572                 if (confptr != NULL) {
 573                         long len;
 574
 575                         len = strlen(confptr);
 576                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 577                         client_write(confptr, len);
 578                         if ((len > 0) && (confptr[len - 1] != 10))
 579                                 client_write("\n", 1);
 580                         cprintf("000\n");
 581                         free(confptr);
 582                 } else {
 583                         cprintf("%d No such configuration.\n",
 584                                 ERROR + ILLEGAL_VALUE);
 585                 }
 586         }
 587
 588         // CONF PUTSYS - store arbitrary system configuration stanzas in the message base
 589         else if (!strcasecmp(cmd, "PUTSYS")) {
 590                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 591                 unbuffer_output();
 592                 cprintf("%d %s\n", SEND_LISTING, confname);
 593                 confptr = CtdlReadMessageBody(HKEY("000"), CtdlGetConfigLong("c_maxmsglen"), NULL, 0);
 594                 CtdlPutSysConfig(confname, confptr);
 595                 free(confptr);
 596         }
 597
 598         // CONF GETVAL - retrieve configuration variables from the database
 599         // CONF LOADVAL - same thing but can handle variables bigger than 1 KB (deprecated and probably safe to remove)
 600         else if ( (!strcasecmp(cmd, "GETVAL")) || (!strcasecmp(cmd, "LOADVAL")) ) {
 601                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 602                 char *v = CtdlGetConfigStr(confname);
 603                 if ( (v) && (!strcasecmp(cmd, "GETVAL")) ) {
 604                         cprintf("%d %s|\n", CIT_OK, v);
 605                 }
 606                 else if ( (v) && (!strcasecmp(cmd, "LOADVAL")) ) {
 607                         cprintf("%d %d\n", BINARY_FOLLOWS, (int)strlen(v));
 608                         client_write(v, strlen(v));
 609                 }
 610                 else {
 611                         cprintf("%d |\n", ERROR);
 612                 }
 613         }
 614
 615         // CONF PUTVAL - store configuration variables in the database
 616         else if (!strcasecmp(cmd, "PUTVAL")) {
 617                 if (num_tokens(argbuf, '|') < 3) {
 618                         cprintf("%d name and value required\n", ERROR);
 619                 }
 620                 else {
 621                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 622                         extract_token(buf, argbuf, 2, '|', sizeof buf);
 623                         CtdlSetConfigStr(confname, buf);
 624                         cprintf("%d setting '%s' to '%s'\n", CIT_OK, confname, buf);
 625                 }
 626         }
 627
 628         // CONF STOREVAL - store configuration variables in the database bigger than 1 KB (deprecated and probably safe to remove)
 629         else if (!strcasecmp(cmd, "STOREVAL")) {
 630                 if (num_tokens(argbuf, '|') < 3) {
 631                         cprintf("%d name and length required\n", ERROR);
 632                 }
 633                 else {
 634                         extract_token(confname, argbuf, 1, '|', sizeof confname);
 635                         int bytes = extract_int(argbuf, 2);
 636                         char *valbuf = malloc(bytes + 1);
 637                         cprintf("%d %d\n", SEND_BINARY, bytes);
 638                         client_read(valbuf, bytes);
 639                         valbuf[bytes+1] = 0;
 640                         CtdlSetConfigStr(confname, valbuf);
 641                         free(valbuf);
 642                 }
 643         }
 644
 645         // CONF LISTVAL - list configuration variables in the database and their values
 646         else if (!strcasecmp(cmd, "LISTVAL")) {
 647                 struct cdbdata *cdbcfg;
 648                 int keylen = 0;
 649                 char *key = NULL;
 650                 char *value = NULL;
 651
 652                 cprintf("%d all configuration variables\n", LISTING_FOLLOWS);
 653                 cdb_rewind(CDB_CONFIG);
 654                 while (cdbcfg = cdb_next_item(CDB_CONFIG), cdbcfg != NULL) {
 655                         if (cdbcfg->len < 1020) {
 656                                 keylen = strlen(cdbcfg->ptr);
 657                                 key = cdbcfg->ptr;
 658                                 value = cdbcfg->ptr + keylen + 1;
 659                                 cprintf("%s|%s\n", key, value);
 660                         }
 661                         cdb_free(cdbcfg);
 662                 }
 663                 cprintf("000\n");
 664         }
 665
 666         else {
 667                 cprintf("%d Illegal option(s) specified.\n", ERROR + ILLEGAL_VALUE);
 668         }
 669 }
 670
 671
 672 typedef struct __ConfType {
 673         ConstStr Name;
 674         long Type;
 675 } ConfType;
 676
 677 ConfType CfgNames[] = {
 678         { {HKEY("localhost") },    0},
 679         { {HKEY("directory") },    0},
 680         { {HKEY("smarthost") },    2},
 681         { {HKEY("fallbackhost") }, 2},
 682         { {HKEY("rbl") },          3},
 683         { {HKEY("spamassassin") }, 3},
 684         { {HKEY("masqdomain") },   1},
 685         { {HKEY("clamav") },       3},
 686         { {HKEY("notify") },       3},
 687         { {NULL, 0}, 0}
 688 };
 689
 690 HashList *CfgNameHash = NULL;
 691 void cmd_gvdn(char *argbuf) {
 692         const ConfType *pCfg;
 693         char *confptr;
 694         long min = atol(argbuf);
 695         const char *Pos = NULL;
 696         const char *PPos = NULL;
 697         const char *HKey;
 698         long HKLen;
 699         StrBuf *Line;
 700         StrBuf *Config;
 701         StrBuf *Cfg;
 702         StrBuf *CfgToken;
 703         HashList *List;
 704         HashPos *It;
 705         void *vptr;
 706
 707         List = NewHash(1, NULL);
 708         Cfg = NewStrBufPlain(CtdlGetConfigStr("c_fqdn"), -1);
 709         Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 710         Cfg = NULL;
 711
 712         confptr = CtdlGetSysConfig(INTERNETCFG);
 713         Config = NewStrBufPlain(confptr, -1);
 714         free(confptr);
 715
 716         Line = NewStrBufPlain(NULL, StrLength(Config));
 717         CfgToken = NewStrBufPlain(NULL, StrLength(Config));
 718         while (StrBufSipLine(Line, Config, &Pos)) {
 719                 if (Cfg == NULL)
 720                         Cfg = NewStrBufPlain(NULL, StrLength(Line));
 721                 PPos = NULL;
 722                 StrBufExtract_NextToken(Cfg, Line, &PPos, '|');
 723                 StrBufExtract_NextToken(CfgToken, Line, &PPos, '|');
 724                 if (GetHash(CfgNameHash, SKEY(CfgToken), &vptr) && (vptr != NULL)) {
 725                         pCfg = (ConfType *) vptr;
 726                         if (pCfg->Type <= min)
 727                         {
 728                                 Put(List, SKEY(Cfg), Cfg, HFreeStrBuf);
 729                                 Cfg = NULL;
 730                         }
 731                 }
 732         }
 733
 734         cprintf("%d Valid Domains\n", LISTING_FOLLOWS);
 735         It = GetNewHashPos(List, 1);
 736         while (GetNextHashPos(List, It, &HKLen, &HKey, &vptr)) {
 737                 cputbuf(vptr);
 738                 cprintf("\n");
 739         }
 740         cprintf("000\n");
 741
 742         DeleteHashPos(&It);
 743         DeleteHash(&List);
 744         FreeStrBuf(&Cfg);
 745         FreeStrBuf(&Line);
 746         FreeStrBuf(&CfgToken);
 747         FreeStrBuf(&Config);
 748 }
 749
 750
 751 // MODULE INITIALIZATION STUFF
 752 char *ctdl_module_init_control(void) {
 753         if (!threading) {
 754                 int i;
 755
 756                 CfgNameHash = NewHash(1, NULL);
 757                 for (i = 0; CfgNames[i].Name.Key != NULL; i++)
 758                         Put(CfgNameHash, CKEY(CfgNames[i].Name), &CfgNames[i], reference_free_handler);
 759
 760                 CtdlRegisterProtoHook(cmd_gvdn, "GVDN", "get valid domain names");
 761                 CtdlRegisterProtoHook(cmd_conf, "CONF", "get/set system configuration");
 762         }
 763         // return our id for the log
 764         return "control";
 765 }