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