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