citadel/control.c

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