citadel/control.c

   1 /*
   2  * $Id$
   3  *
   4  * This module handles states which are global to the entire server.
   5  *
   6  */
   7
   8 #include "sysdep.h"
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <stdio.h>
  12 #include <fcntl.h>
  13 #include <signal.h>
  14
  15 #if TIME_WITH_SYS_TIME
  16 # include <sys/time.h>
  17 # include <time.h>
  18 #else
  19 # if HAVE_SYS_TIME_H
  20 #  include <sys/time.h>
  21 # else
  22 #  include <time.h>
  23 # endif
  24 #endif
  25
  26 #include <ctype.h>
  27 #include <string.h>
  28 #include <errno.h>
  29 #include <limits.h>
  30 #include <sys/types.h>
  31 #include <sys/file.h>
  32 #include "citadel.h"
  33 #include "server.h"
  34 #include "control.h"
  35 #include "serv_extensions.h"
  36 #include "sysdep_decls.h"
  37 #include "support.h"
  38 #include "config.h"
  39 #include "msgbase.h"
  40 #include "citserver.h"
  41 #include "tools.h"
  42 #include "room_ops.h"
  43
  44 #ifndef HAVE_SNPRINTF
  45 #include "snprintf.h"
  46 #endif
  47
  48 struct CitControl CitControl;
  49 extern struct config config;
  50 FILE *control_fp = NULL;
  51
  52
  53
  54 /*
  55  * lock_control  -  acquire a lock on the control record file.
  56  *                  This keeps multiple citservers from running concurrently.
  57  */
  58 void lock_control(void)
  59 {
  60         if (flock(fileno(control_fp), (LOCK_EX | LOCK_NB))) {
  61                 lprintf(CTDL_EMERG, "citserver: unable to lock %s.\n", file_citadel_control);
  62                 lprintf(CTDL_EMERG, "Is another citserver already running?\n");
  63                 exit(CTDLEXIT_CONTROL);
  64         }
  65 }
  66
  67
  68 /*
  69  * get_control  -  read the control record into memory.
  70  */
  71 void get_control(void)
  72 {
  73         /* Zero it out.  If the control record on disk is missing or short,
  74          * the system functions with all control record fields initialized
  75          * to zero.
  76          */
  77         memset(&CitControl, 0, sizeof(struct CitControl));
  78         if (control_fp == NULL) {
  79                 control_fp = fopen(file_citadel_control, "rb+");
  80                 if (control_fp != NULL) {
  81                         lock_control();
  82                         fchown(fileno(control_fp), config.c_ctdluid, -1);
  83                 }
  84         }
  85         if (control_fp == NULL) {
  86                 control_fp = fopen(file_citadel_control, "wb+");
  87                 if (control_fp != NULL) {
  88                         lock_control();
  89                         fchown(fileno(control_fp), config.c_ctdluid, -1);
  90                         memset(&CitControl, 0, sizeof(struct CitControl));
  91                         fwrite(&CitControl, sizeof(struct CitControl),
  92                                1, control_fp);
  93                         rewind(control_fp);
  94                 }
  95         }
  96         if (control_fp == NULL) {
  97                 lprintf(CTDL_ALERT, "ERROR opening %s: %s\n",
  98                                 file_citadel_control,
  99                                 strerror(errno));
 100                 return;
 101         }
 102
 103         rewind(control_fp);
 104         fread(&CitControl, sizeof(struct CitControl), 1, control_fp);
 105 }
 106
 107 /*
 108  * put_control  -  write the control record to disk.
 109  */
 110 void put_control(void)
 111 {
 112
 113         if (control_fp != NULL) {
 114                 rewind(control_fp);
 115                 fwrite(&CitControl, sizeof(struct CitControl), 1,
 116                        control_fp);
 117                 fflush(control_fp);
 118         }
 119 }
 120
 121 /**
 122  * release_control - close our fd on exit
 123  */
 124 void release_control(void)
 125 {
 126         if (control_fp != NULL)
 127                 fclose(control_fp);
 128         control_fp = NULL;
 129 }
 130
 131 /*
 132  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
 133  */
 134 long get_new_message_number(void)
 135 {
 136         long retval = 0L;
 137         begin_critical_section(S_CONTROL);
 138         get_control();
 139         retval = ++CitControl.MMhighest;
 140         put_control();
 141         end_critical_section(S_CONTROL);
 142         return(retval);
 143 }
 144
 145
 146 /*
 147  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
 148  */
 149 long get_new_user_number(void)
 150 {
 151         long retval = 0L;
 152         begin_critical_section(S_CONTROL);
 153         get_control();
 154         retval = ++CitControl.MMnextuser;
 155         put_control();
 156         end_critical_section(S_CONTROL);
 157         return(retval);
 158 }
 159
 160
 161
 162 /*
 163  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 164  */
 165 long get_new_room_number(void)
 166 {
 167         long retval = 0L;
 168         begin_critical_section(S_CONTROL);
 169         get_control();
 170         retval = ++CitControl.MMnextroom;
 171         put_control();
 172         end_critical_section(S_CONTROL);
 173         return(retval);
 174 }
 175
 176
 177
 178 /*
 179  * Get or set global configuration options
 180  */
 181 void cmd_conf(char *argbuf)
 182 {
 183         char cmd[16];
 184         char buf[256];
 185         int a;
 186         char *confptr;
 187         char confname[128];
 188
 189         if (CtdlAccessCheck(ac_aide)) return;
 190
 191         extract_token(cmd, argbuf, 0, '|', sizeof cmd);
 192         if (!strcasecmp(cmd, "GET")) {
 193                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 194                 cprintf("%s\n", config.c_nodename);
 195                 cprintf("%s\n", config.c_fqdn);
 196                 cprintf("%s\n", config.c_humannode);
 197                 cprintf("%s\n", config.c_phonenum);
 198                 cprintf("%d\n", config.c_creataide);
 199                 cprintf("%d\n", config.c_sleeping);
 200                 cprintf("%d\n", config.c_initax);
 201                 cprintf("%d\n", config.c_regiscall);
 202                 cprintf("%d\n", config.c_twitdetect);
 203                 cprintf("%s\n", config.c_twitroom);
 204                 cprintf("%s\n", config.c_moreprompt);
 205                 cprintf("%d\n", config.c_restrict);
 206                 cprintf("%s\n", config.c_site_location);
 207                 cprintf("%s\n", config.c_sysadm);
 208                 cprintf("%d\n", config.c_maxsessions);
 209                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
 210                 cprintf("%d\n", config.c_userpurge);
 211                 cprintf("%d\n", config.c_roompurge);
 212                 cprintf("%s\n", config.c_logpages);
 213                 cprintf("%d\n", config.c_createax);
 214                 cprintf("%ld\n", config.c_maxmsglen);
 215                 cprintf("%d\n", config.c_min_workers);
 216                 cprintf("%d\n", config.c_max_workers);
 217                 cprintf("%d\n", config.c_pop3_port);
 218                 cprintf("%d\n", config.c_smtp_port);
 219                 cprintf("%d\n", config.c_rfc822_strict_from);
 220                 cprintf("%d\n", config.c_aide_zap);
 221                 cprintf("%d\n", config.c_imap_port);
 222                 cprintf("%ld\n", config.c_net_freq);
 223                 cprintf("%d\n", config.c_disable_newu);
 224                 cprintf("1\n"); /* niu */
 225                 cprintf("%d\n", config.c_purge_hour);
 226 #ifdef HAVE_LDAP
 227                 cprintf("%s\n", config.c_ldap_host);
 228                 cprintf("%d\n", config.c_ldap_port);
 229                 cprintf("%s\n", config.c_ldap_base_dn);
 230                 cprintf("%s\n", config.c_ldap_bind_dn);
 231                 cprintf("%s\n", config.c_ldap_bind_pw);
 232 #else
 233                 cprintf("\n");
 234                 cprintf("0\n");
 235                 cprintf("\n");
 236                 cprintf("\n");
 237                 cprintf("\n");
 238 #endif
 239                 cprintf("%s\n", config.c_ip_addr);
 240                 cprintf("%d\n", config.c_msa_port);
 241                 cprintf("%d\n", config.c_imaps_port);
 242                 cprintf("%d\n", config.c_pop3s_port);
 243                 cprintf("%d\n", config.c_smtps_port);
 244                 cprintf("%d\n", config.c_enable_fulltext);
 245                 cprintf("%d\n", config.c_auto_cull);
 246                 cprintf("%d\n", config.c_instant_expunge);
 247                 cprintf("%d\n", config.c_allow_spoofing);
 248                 cprintf("%d\n", config.c_journal_email);
 249                 cprintf("%d\n", config.c_journal_pubmsgs);
 250                 cprintf("%s\n", config.c_journal_dest);
 251                 cprintf("%s\n", config.c_default_cal_zone);
 252                 cprintf("%d\n", config.c_pftcpdict_port);
 253                 cprintf("%d\n", config.c_managesieve_port);
 254                 cprintf("%d\n", config.c_auth_mode);
 255                 cprintf("%s\n", config.c_funambol_host);
 256                 cprintf("%d\n", config.c_funambol_port);
 257                 cprintf("%s\n", config.c_funambol_source);
 258                 cprintf("%s\n", config.c_funambol_auth);
 259                 cprintf("000\n");
 260         }
 261
 262         else if (!strcasecmp(cmd, "SET")) {
 263                 unbuffer_output();
 264                 cprintf("%d Send configuration...\n", SEND_LISTING);
 265                 a = 0;
 266                 while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
 267                         switch (a) {
 268                         case 0:
 269                                 safestrncpy(config.c_nodename, buf,
 270                                             sizeof config.c_nodename);
 271                                 break;
 272                         case 1:
 273                                 safestrncpy(config.c_fqdn, buf,
 274                                             sizeof config.c_fqdn);
 275                                 break;
 276                         case 2:
 277                                 safestrncpy(config.c_humannode, buf,
 278                                             sizeof config.c_humannode);
 279                                 break;
 280                         case 3:
 281                                 safestrncpy(config.c_phonenum, buf,
 282                                             sizeof config.c_phonenum);
 283                                 break;
 284                         case 4:
 285                                 config.c_creataide = atoi(buf);
 286                                 break;
 287                         case 5:
 288                                 config.c_sleeping = atoi(buf);
 289                                 break;
 290                         case 6:
 291                                 config.c_initax = atoi(buf);
 292                                 if (config.c_initax < 1)
 293                                         config.c_initax = 1;
 294                                 if (config.c_initax > 6)
 295                                         config.c_initax = 6;
 296                                 break;
 297                         case 7:
 298                                 config.c_regiscall = atoi(buf);
 299                                 if (config.c_regiscall != 0)
 300                                         config.c_regiscall = 1;
 301                                 break;
 302                         case 8:
 303                                 config.c_twitdetect = atoi(buf);
 304                                 if (config.c_twitdetect != 0)
 305                                         config.c_twitdetect = 1;
 306                                 break;
 307                         case 9:
 308                                 safestrncpy(config.c_twitroom, buf,
 309                                             sizeof config.c_twitroom);
 310                                 break;
 311                         case 10:
 312                                 safestrncpy(config.c_moreprompt, buf,
 313                                             sizeof config.c_moreprompt);
 314                                 break;
 315                         case 11:
 316                                 config.c_restrict = atoi(buf);
 317                                 if (config.c_restrict != 0)
 318                                         config.c_restrict = 1;
 319                                 break;
 320                         case 12:
 321                                 safestrncpy(config.c_site_location, buf,
 322                                             sizeof config.c_site_location);
 323                                 break;
 324                         case 13:
 325                                 safestrncpy(config.c_sysadm, buf,
 326                                             sizeof config.c_sysadm);
 327                                 break;
 328                         case 14:
 329                                 config.c_maxsessions = atoi(buf);
 330                                 if (config.c_maxsessions < 0)
 331                                         config.c_maxsessions = 0;
 332                                 break;
 333                         case 15:
 334                                 /* placeholder -- field no longer in use */
 335                                 break;
 336                         case 16:
 337                                 config.c_userpurge = atoi(buf);
 338                                 break;
 339                         case 17:
 340                                 config.c_roompurge = atoi(buf);
 341                                 break;
 342                         case 18:
 343                                 safestrncpy(config.c_logpages, buf,
 344                                             sizeof config.c_logpages);
 345                                 break;
 346                         case 19:
 347                                 config.c_createax = atoi(buf);
 348                                 if (config.c_createax < 1)
 349                                         config.c_createax = 1;
 350                                 if (config.c_createax > 6)
 351                                         config.c_createax = 6;
 352                                 break;
 353                         case 20:
 354                                 if (atoi(buf) >= 8192)
 355                                         config.c_maxmsglen = atoi(buf);
 356                                 break;
 357                         case 21:
 358                                 if (atoi(buf) >= 2)
 359                                         config.c_min_workers = atoi(buf);
 360                         case 22:
 361                                 if (atoi(buf) >= config.c_min_workers)
 362                                         config.c_max_workers = atoi(buf);
 363                         case 23:
 364                                 config.c_pop3_port = atoi(buf);
 365                                 break;
 366                         case 24:
 367                                 config.c_smtp_port = atoi(buf);
 368                                 break;
 369                         case 25:
 370                                 config.c_rfc822_strict_from = atoi(buf);
 371                                 break;
 372                         case 26:
 373                                 config.c_aide_zap = atoi(buf);
 374                                 if (config.c_aide_zap != 0)
 375                                         config.c_aide_zap = 1;
 376                                 break;
 377                         case 27:
 378                                 config.c_imap_port = atoi(buf);
 379                                 break;
 380                         case 28:
 381                                 config.c_net_freq = atol(buf);
 382                                 break;
 383                         case 29:
 384                                 config.c_disable_newu = atoi(buf);
 385                                 if (config.c_disable_newu != 0)
 386                                         config.c_disable_newu = 1;
 387                                 break;
 388                         case 30:
 389                                 /* niu */
 390                                 break;
 391                         case 31:
 392                                 if ((config.c_purge_hour >= 0)
 393                                    && (config.c_purge_hour <= 23)) {
 394                                         config.c_purge_hour = atoi(buf);
 395                                 }
 396                                 break;
 397 #ifdef HAVE_LDAP
 398                         case 32:
 399                                 safestrncpy(config.c_ldap_host, buf,
 400                                             sizeof config.c_ldap_host);
 401                                 break;
 402                         case 33:
 403                                 config.c_ldap_port = atoi(buf);
 404                                 break;
 405                         case 34:
 406                                 safestrncpy(config.c_ldap_base_dn, buf,
 407                                             sizeof config.c_ldap_base_dn);
 408                                 break;
 409                         case 35:
 410                                 safestrncpy(config.c_ldap_bind_dn, buf,
 411                                             sizeof config.c_ldap_bind_dn);
 412                                 break;
 413                         case 36:
 414                                 safestrncpy(config.c_ldap_bind_pw, buf,
 415                                             sizeof config.c_ldap_bind_pw);
 416                                 break;
 417 #endif
 418                         case 37:
 419                                 safestrncpy(config.c_ip_addr, buf,
 420                                                 sizeof config.c_ip_addr);
 421                         case 38:
 422                                 config.c_msa_port = atoi(buf);
 423                                 break;
 424                         case 39:
 425                                 config.c_imaps_port = atoi(buf);
 426                                 break;
 427                         case 40:
 428                                 config.c_pop3s_port = atoi(buf);
 429                                 break;
 430                         case 41:
 431                                 config.c_smtps_port = atoi(buf);
 432                                 break;
 433                         case 42:
 434                                 config.c_enable_fulltext = atoi(buf);
 435                                 break;
 436                         case 43:
 437                                 config.c_auto_cull = atoi(buf);
 438                                 break;
 439                         case 44:
 440                                 config.c_instant_expunge = atoi(buf);
 441                                 break;
 442                         case 45:
 443                                 config.c_allow_spoofing = atoi(buf);
 444                                 break;
 445                         case 46:
 446                                 config.c_journal_email = atoi(buf);
 447                                 break;
 448                         case 47:
 449                                 config.c_journal_pubmsgs = atoi(buf);
 450                                 break;
 451                         case 48:
 452                                 safestrncpy(config.c_journal_dest, buf,
 453                                                 sizeof config.c_journal_dest);
 454                         case 49:
 455                                 safestrncpy(config.c_default_cal_zone, buf,
 456                                                 sizeof config.c_default_cal_zone);
 457                                 break;
 458                         case 50:
 459                                 config.c_pftcpdict_port = atoi(buf);
 460                                 break;
 461                         case 51:
 462                                 config.c_managesieve_port = atoi(buf);
 463                                 break;
 464                         case 52:
 465                                 config.c_auth_mode = atoi(buf);
 466                         case 53:
 467                                 safestrncpy(config.c_funambol_host, buf,
 468                                         sizeof config.c_funambol_host);
 469                                 break;
 470                         case 54:
 471                                 config.c_funambol_port = atoi(buf);
 472                                 break;
 473                         case 55:
 474                                 safestrncpy(config.c_funambol_source,
 475                                         buf,
 476                                         sizeof config.c_funambol_source);
 477                                 break;
 478                         case 56:
 479                                 safestrncpy(config.c_funambol_auth,
 480                                         buf,
 481                                         sizeof config.c_funambol_auth);
 482                                 break;
 483                         }
 484                         ++a;
 485                 }
 486                 put_config();
 487                 snprintf(buf, sizeof buf,
 488                          "The global system configuration has been edited by %s.\n",
 489                          CC->curr_user);
 490                 aide_message(buf,"Citadel Configuration Manager Message");
 491
 492                 if (strlen(config.c_logpages) > 0)
 493                         create_room(config.c_logpages, 3, "", 0, 1, 1, VIEW_BBS);
 494
 495                 /* If full text indexing has been disabled, invalidate the
 496                  * index so it doesn't try to use it later.
 497                  */
 498                 if (config.c_enable_fulltext == 0) {
 499                         CitControl.fulltext_wordbreaker = 0;
 500                         put_control();
 501                 }
 502         }
 503
 504         else if (!strcasecmp(cmd, "GETSYS")) {
 505                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 506                 confptr = CtdlGetSysConfig(confname);
 507                 if (confptr != NULL) {
 508                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 509                         client_write(confptr, strlen(confptr));
 510                         if (confptr[strlen(confptr) - 1] != 10)
 511                                 client_write("\n", 1);
 512                         cprintf("000\n");
 513                         free(confptr);
 514                 } else {
 515                         cprintf("%d No such configuration.\n",
 516                                 ERROR + ILLEGAL_VALUE);
 517                 }
 518         }
 519
 520         else if (!strcasecmp(cmd, "PUTSYS")) {
 521                 extract_token(confname, argbuf, 1, '|', sizeof confname);
 522                 unbuffer_output();
 523                 cprintf("%d %s\n", SEND_LISTING, confname);
 524                 confptr = CtdlReadMessageBody("000",
 525                                 config.c_maxmsglen, NULL, 0);
 526                 CtdlPutSysConfig(confname, confptr);
 527                 free(confptr);
 528         }
 529
 530         else {
 531                 cprintf("%d Illegal option(s) specified.\n",
 532                         ERROR + ILLEGAL_VALUE);
 533         }
 534 }