citadel/server/modules/ctdlproto/serv_rooms.c

   1 // Server functions which perform operations on room objects.
   2 //
   3 // Copyright (c) 1987-2022 by the citadel.org team
   4 //
   5 // This program is open source software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License, version 3.
   7 //
   8 // This program is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 // GNU General Public License for more details.
  12
  13 #include <stdlib.h>
  14 #include <unistd.h>
  15 #include <stdio.h>
  16 #include <sys/types.h>
  17 #include <sys/stat.h>
  18 #include <dirent.h>     /* for cmd_rdir to read contents of the directory */
  19 #include <libcitadel.h>
  20
  21 #include "../../citserver.h"
  22 #include "../../ctdl_module.h"
  23 #include "../../room_ops.h"
  24 #include "../../config.h"
  25
  26 // Back-back-end for all room listing commands
  27 void list_roomname(struct ctdlroom *qrbuf, int ra, int current_view, int default_view) {
  28         char truncated_roomname[ROOMNAMELEN];
  29
  30         // For my own mailbox rooms, chop off the owner prefix
  31         if ( (qrbuf->QRflags & QR_MAILBOX)
  32              && (atol(qrbuf->QRname) == CC->user.usernum) ) {
  33                 safestrncpy(truncated_roomname, qrbuf->QRname, sizeof truncated_roomname);
  34                 safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
  35                 cprintf("%s", truncated_roomname);
  36         }
  37         // For all other rooms, just display the name in its entirety
  38         else {
  39                 cprintf("%s", qrbuf->QRname);
  40         }
  41
  42         /* ...and now the other parameters */
  43         cprintf("|%u|%d|%d|%d|%d|%d|%d|%ld|\n",
  44                 qrbuf->QRflags,
  45                 (int) qrbuf->QRfloor,
  46                 (int) qrbuf->QRorder,
  47                 (int) qrbuf->QRflags2,
  48                 ra,
  49                 current_view,
  50                 default_view,
  51                 qrbuf->QRmtime
  52         );
  53 }
  54
  55
  56 // cmd_lrms()   -  List all accessible rooms, known or forgotten
  57 void cmd_lrms_backend(struct ctdlroom *qrbuf, void *data) {
  58         int FloorBeingSearched = (-1);
  59         int ra;
  60         int view;
  61
  62         FloorBeingSearched = *(int *)data;
  63         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
  64
  65         if ((( ra & (UA_KNOWN | UA_ZAPPED)))
  66             && ((qrbuf->QRfloor == (FloorBeingSearched))
  67                 || ((FloorBeingSearched) < 0)))
  68                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
  69 }
  70
  71
  72 void cmd_lrms(char *argbuf) {
  73         int FloorBeingSearched = (-1);
  74         if (!IsEmptyStr(argbuf))
  75                 FloorBeingSearched = extract_int(argbuf, 0);
  76
  77         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
  78
  79         CtdlGetUser(&CC->user, CC->curr_user);
  80         cprintf("%d Accessible rooms:\n", LISTING_FOLLOWS);
  81
  82         CtdlForEachRoom(cmd_lrms_backend, &FloorBeingSearched);
  83         cprintf("000\n");
  84 }
  85
  86
  87 // cmd_lkra()   -  List all known rooms
  88 void cmd_lkra_backend(struct ctdlroom *qrbuf, void *data) {
  89         int FloorBeingSearched = (-1);
  90         int ra;
  91         int view;
  92
  93         FloorBeingSearched = *(int *)data;
  94         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
  95
  96         if ((( ra & (UA_KNOWN))) && ((qrbuf->QRfloor == (FloorBeingSearched)) || ((FloorBeingSearched) < 0))) {
  97                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
  98         }
  99 }
 100
 101
 102 void cmd_lkra(char *argbuf) {
 103         int FloorBeingSearched = (-1);
 104         if (!IsEmptyStr(argbuf)) {
 105                 FloorBeingSearched = extract_int(argbuf, 0);
 106         }
 107
 108         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 109
 110         CtdlGetUser(&CC->user, CC->curr_user);
 111         cprintf("%d Known rooms:\n", LISTING_FOLLOWS);
 112
 113         CtdlForEachRoom(cmd_lkra_backend, &FloorBeingSearched);
 114         cprintf("000\n");
 115 }
 116
 117
 118 void cmd_lprm_backend(struct ctdlroom *qrbuf, void *data) {
 119         int FloorBeingSearched = (-1);
 120         int ra;
 121         int view;
 122
 123         FloorBeingSearched = *(int *)data;
 124         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 125
 126         if (((qrbuf->QRflags & QR_PRIVATE) == 0) && ((qrbuf->QRflags & QR_MAILBOX) == 0) && ((qrbuf->QRfloor == (FloorBeingSearched)) || ((FloorBeingSearched) < 0))) {
 127                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
 128         }
 129 }
 130
 131
 132 void cmd_lprm(char *argbuf) {
 133         int FloorBeingSearched = (-1);
 134         if (!IsEmptyStr(argbuf)) {
 135                 FloorBeingSearched = extract_int(argbuf, 0);
 136         }
 137
 138         cprintf("%d Public rooms:\n", LISTING_FOLLOWS);
 139
 140         CtdlForEachRoom(cmd_lprm_backend, &FloorBeingSearched);
 141         cprintf("000\n");
 142 }
 143
 144
 145 // cmd_lkrn()   -  List all known rooms with new messages
 146 void cmd_lkrn_backend(struct ctdlroom *qrbuf, void *data) {
 147         int FloorBeingSearched = (-1);
 148         int ra;
 149         int view;
 150
 151         FloorBeingSearched = *(int *)data;
 152         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 153
 154         if ((ra & UA_KNOWN) && (ra & UA_HASNEWMSGS) && ((qrbuf->QRfloor == (FloorBeingSearched)) || ((FloorBeingSearched) < 0))) {
 155                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
 156         }
 157 }
 158
 159
 160 void cmd_lkrn(char *argbuf) {
 161         int FloorBeingSearched = (-1);
 162         if (!IsEmptyStr(argbuf)) {
 163                 FloorBeingSearched = extract_int(argbuf, 0);
 164         }
 165
 166         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 167
 168         CtdlGetUser(&CC->user, CC->curr_user);
 169         cprintf("%d Rooms w/ new msgs:\n", LISTING_FOLLOWS);
 170
 171         CtdlForEachRoom(cmd_lkrn_backend, &FloorBeingSearched);
 172         cprintf("000\n");
 173 }
 174
 175
 176 // cmd_lkro()   -  List all known rooms
 177 void cmd_lkro_backend(struct ctdlroom *qrbuf, void *data) {
 178         int FloorBeingSearched = (-1);
 179         int ra;
 180         int view;
 181
 182         FloorBeingSearched = *(int *)data;
 183         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 184
 185         if ((ra & UA_KNOWN) && ((ra & UA_HASNEWMSGS) == 0) && ((qrbuf->QRfloor == (FloorBeingSearched)) || ((FloorBeingSearched) < 0))) {
 186                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
 187         }
 188 }
 189
 190
 191 void cmd_lkro(char *argbuf) {
 192         int FloorBeingSearched = (-1);
 193         if (!IsEmptyStr(argbuf)) {
 194                 FloorBeingSearched = extract_int(argbuf, 0);
 195         }
 196
 197         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 198
 199         CtdlGetUser(&CC->user, CC->curr_user);
 200         cprintf("%d Rooms w/o new msgs:\n", LISTING_FOLLOWS);
 201
 202         CtdlForEachRoom(cmd_lkro_backend, &FloorBeingSearched);
 203         cprintf("000\n");
 204 }
 205
 206
 207 // cmd_lzrm()   -  List all forgotten rooms
 208 void cmd_lzrm_backend(struct ctdlroom *qrbuf, void *data) {
 209         int FloorBeingSearched = (-1);
 210         int ra;
 211         int view;
 212
 213         FloorBeingSearched = *(int *)data;
 214         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 215
 216         if ((ra & UA_GOTOALLOWED) && (ra & UA_ZAPPED) && ((qrbuf->QRfloor == (FloorBeingSearched)) || ((FloorBeingSearched) < 0))) {
 217                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
 218         }
 219 }
 220
 221
 222 void cmd_lzrm(char *argbuf) {
 223         int FloorBeingSearched = (-1);
 224         if (!IsEmptyStr(argbuf))
 225                 FloorBeingSearched = extract_int(argbuf, 0);
 226
 227         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 228
 229         CtdlGetUser(&CC->user, CC->curr_user);
 230         cprintf("%d Zapped rooms:\n", LISTING_FOLLOWS);
 231
 232         CtdlForEachRoom(cmd_lzrm_backend, &FloorBeingSearched);
 233         cprintf("000\n");
 234 }
 235
 236
 237 // cmd_goto()  -  goto a new room
 238 void cmd_goto(char *gargs) {
 239         struct ctdlroom QRscratch;
 240         int c;
 241         int ok = 0;
 242         int ra;
 243         char augmented_roomname[ROOMNAMELEN];
 244         char towhere[ROOMNAMELEN];
 245         char password[32];
 246         int transiently = 0;
 247
 248         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 249
 250         extract_token(towhere, gargs, 0, '|', sizeof towhere);
 251         extract_token(password, gargs, 1, '|', sizeof password);
 252         transiently = extract_int(gargs, 2);
 253
 254         CtdlGetUser(&CC->user, CC->curr_user);
 255
 256         // Handle some of the macro named rooms
 257         convert_room_name_macros(towhere, sizeof towhere);
 258
 259         // First try a regular match
 260         c = CtdlGetRoom(&QRscratch, towhere);
 261
 262         // Then try a mailbox name match
 263         if (c != 0) {
 264                 CtdlMailboxName(augmented_roomname, sizeof augmented_roomname, &CC->user, towhere);
 265                 c = CtdlGetRoom(&QRscratch, augmented_roomname);
 266                 if (c == 0) {
 267                         safestrncpy(towhere, augmented_roomname, sizeof towhere);
 268                 }
 269         }
 270
 271         // And if the room was found...
 272         if (c == 0) {
 273                 // Let internal programs go directly to any room.
 274                 if (CC->internal_pgm) {
 275                         memcpy(&CC->room, &QRscratch, sizeof(struct ctdlroom));
 276                         CtdlUserGoto(NULL, 1, transiently, NULL, NULL, NULL, NULL);
 277                         return;
 278                 }
 279
 280                 // See if there is an existing user/room relationship
 281                 CtdlRoomAccess(&QRscratch, &CC->user, &ra, NULL);
 282
 283                 // normal clients have to pass through security
 284                 if (ra & UA_GOTOALLOWED) {
 285                         ok = 1;
 286                 }
 287
 288                 if (ok == 1) {
 289                         if ((QRscratch.QRflags & QR_MAILBOX) &&
 290                             ((ra & UA_GOTOALLOWED))) {
 291                                 memcpy(&CC->room, &QRscratch, sizeof(struct ctdlroom));
 292                                 CtdlUserGoto(NULL, 1, transiently, NULL, NULL, NULL, NULL);
 293                                 return;
 294                         }
 295                         else if ((QRscratch.QRflags & QR_PASSWORDED) &&
 296                                 ((ra & UA_KNOWN) == 0) &&
 297                                 (strcasecmp(QRscratch.QRpasswd, password)) &&
 298                                 (CC->user.axlevel < AxAideU)
 299                         ) {
 300                                 cprintf("%d wrong or missing passwd\n", ERROR + PASSWORD_REQUIRED);
 301                                 return;
 302                         }
 303                         else if ((QRscratch.QRflags & QR_PRIVATE) &&
 304                                    ((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
 305                                    ((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
 306                                    ((ra & UA_KNOWN) == 0) &&
 307                                    (CC->user.axlevel < AxAideU)
 308                                   ) {
 309                                 syslog(LOG_DEBUG, "rooms: failed to acquire private room");
 310                         }
 311                         else {
 312                                 memcpy(&CC->room, &QRscratch, sizeof(struct ctdlroom));
 313                                 CtdlUserGoto(NULL, 1, transiently, NULL, NULL, NULL, NULL);
 314                                 return;
 315                         }
 316                 }
 317         }
 318
 319         cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
 320 }
 321
 322
 323 void cmd_whok(char *cmdbuf) {
 324         struct ctdluser temp;
 325         struct cdbdata cdbus;
 326         int ra;
 327
 328         cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
 329         cdb_rewind(CDB_USERS);
 330         while (cdbus = cdb_next_item(CDB_USERS), cdbus.len>0) {
 331                 memset(&temp, 0, sizeof temp);
 332                 memcpy(&temp, cdbus.ptr, sizeof temp);
 333
 334                 CtdlRoomAccess(&CC->room, &temp, &ra, NULL);
 335                 if ((!IsEmptyStr(temp.fullname)) &&
 336                     (CC->room.QRflags & QR_INUSE) &&
 337                     (ra & UA_KNOWN)
 338                         )
 339                         cprintf("%s\n", temp.fullname);
 340         }
 341         cprintf("000\n");
 342 }
 343
 344
 345 // RDIR command for room directory
 346 void cmd_rdir(char *cmdbuf) {
 347         char buf[256];
 348         char comment[256];
 349         FILE *fd;
 350         struct stat statbuf;
 351         DIR *filedir = NULL;
 352         struct dirent *filedir_entry;
 353         int d_namelen;
 354         char buf2[SIZ];
 355         char mimebuf[64];
 356         long len;
 357
 358         if (CtdlAccessCheck(ac_logged_in)) return;
 359
 360         CtdlGetRoom(&CC->room, CC->room.QRname);
 361         CtdlGetUser(&CC->user, CC->curr_user);
 362
 363         if ((CC->room.QRflags & QR_DIRECTORY) == 0) {
 364                 cprintf("%d not here.\n", ERROR + NOT_HERE);
 365                 return;
 366         }
 367         if (((CC->room.QRflags & QR_VISDIR) == 0)
 368                 && (CC->user.axlevel < AxAideU)
 369                 && (CC->user.usernum != CC->room.QRroomaide))
 370         {
 371                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
 372                 return;
 373         }
 374
 375         snprintf(buf, sizeof buf, "%s/%s", ctdl_file_dir, CC->room.QRdirname);
 376         filedir = opendir (buf);
 377
 378         if (filedir == NULL) {
 379                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
 380                 return;
 381         }
 382         cprintf("%d %s|%s/%s\n", LISTING_FOLLOWS, CtdlGetConfigStr("c_fqdn"), ctdl_file_dir, CC->room.QRdirname);
 383
 384         snprintf(buf, sizeof buf, "%s/%s/filedir", ctdl_file_dir, CC->room.QRdirname);
 385         fd = fopen(buf, "r");
 386         if (fd == NULL) {
 387                 fd = fopen("/dev/null", "r");
 388         }
 389         while ((filedir_entry = readdir(filedir))) {
 390                 if (strcasecmp(filedir_entry->d_name, "filedir") && filedir_entry->d_name[0] != '.') {
 391 #ifdef _DIRENT_HAVE_D_NAMELEN
 392                         d_namelen = filedir_entry->d_namlen;
 393 #else
 394                         d_namelen = strlen(filedir_entry->d_name);
 395 #endif
 396                         snprintf(buf, sizeof buf, "%s/%s/%s", ctdl_file_dir, CC->room.QRdirname, filedir_entry->d_name);
 397                         stat(buf, &statbuf);    /* stat the file */
 398                         if (!(statbuf.st_mode & S_IFREG)) {
 399                                 snprintf(buf2, sizeof buf2,
 400                                         "\"%s\" appears in the file directory for room \"%s\" but is not a regular file.  Directories, named pipes, sockets, etc. are not usable in Citadel room directories.\n",
 401                                         buf, CC->room.QRname
 402                                 );
 403                                 CtdlAideMessage(buf2, "Unusable data found in room directory");
 404                                 continue;       /* not a useable file type so don't show it */
 405                         }
 406                         safestrncpy(comment, "", sizeof comment);
 407                         fseek(fd, 0L, 0);       /* rewind descriptions file */
 408                         /* Get the description from the descriptions file */
 409                         while ((fgets(buf, sizeof buf, fd) != NULL) && (IsEmptyStr(comment))) {
 410                                 buf[strlen(buf) - 1] = 0;
 411                                 if ((!strncasecmp(buf, filedir_entry->d_name, d_namelen)) && (buf[d_namelen] == ' '))
 412                                         safestrncpy(comment, &buf[d_namelen + 1], sizeof comment);
 413                         }
 414                         len = extract_token (mimebuf, comment, 0,' ', 64);
 415                         if ((len <0) || strchr(mimebuf, '/') == NULL) {
 416                                 snprintf (mimebuf, 64, "application/octetstream");
 417                                 len = 0;
 418                         }
 419                         cprintf("%s|%ld|%s|%s\n",
 420                                 filedir_entry->d_name,
 421                                 (long)statbuf.st_size,
 422                                 mimebuf,
 423                                 &comment[len]);
 424                 }
 425         }
 426         fclose(fd);
 427         closedir(filedir);
 428
 429         cprintf("000\n");
 430 }
 431
 432
 433 // get room parameters (admin or room admin command)
 434 void cmd_getr(char *cmdbuf) {
 435         if (CtdlAccessCheck(ac_room_aide)) return;
 436
 437         CtdlGetRoom(&CC->room, CC->room.QRname);
 438         cprintf("%d%c%s|%s|%s|%d|%d|%d|%d|%d|\n",
 439                 CIT_OK,
 440                 CtdlCheckExpress(),
 441                 ((CC->room.QRflags & QR_MAILBOX) ?  &CC->room.QRname[11] : CC->room.QRname),
 442                 ((CC->room.QRflags & QR_PASSWORDED) ?  CC->room.QRpasswd : ""),
 443                 ((CC->room.QRflags & QR_DIRECTORY) ?  CC->room.QRdirname : ""),
 444                 CC->room.QRflags,
 445                 (int) CC->room.QRfloor,
 446                 (int) CC->room.QRorder,
 447                 CC->room.QRdefaultview,
 448                 CC->room.QRflags2
 449         );
 450 }
 451
 452
 453 // set room parameters (admin or room admin command)
 454 void cmd_setr(char *args) {
 455         char buf[256];
 456         int new_order = 0;
 457         int r;
 458         int new_floor;
 459         char new_name[ROOMNAMELEN];
 460
 461         if (CtdlAccessCheck(ac_logged_in)) return;
 462
 463         if (num_parms(args) >= 6) {
 464                 new_floor = extract_int(args, 5);
 465         }
 466         else {
 467                 new_floor = (-1);       /* don't change the floor */
 468         }
 469
 470         /* When is a new name more than just a new name?  When the old name
 471          * has a namespace prefix.
 472          */
 473         if (CC->room.QRflags & QR_MAILBOX) {
 474                 sprintf(new_name, "%010ld.", atol(CC->room.QRname) );
 475         }
 476         else {
 477                 safestrncpy(new_name, "", sizeof new_name);
 478         }
 479         extract_token(&new_name[strlen(new_name)], args, 0, '|', (sizeof new_name - strlen(new_name)));
 480
 481         r = CtdlRenameRoom(CC->room.QRname, new_name, new_floor);
 482
 483         if (r == crr_room_not_found) {
 484                 cprintf("%d Internal error - room not found?\n", ERROR + INTERNAL_ERROR);
 485         }
 486         else if (r == crr_already_exists) {
 487                 cprintf("%d '%s' already exists.\n",
 488                         ERROR + ALREADY_EXISTS, new_name);
 489         }
 490         else if (r == crr_noneditable) {
 491                 cprintf("%d Cannot edit this room.\n", ERROR + NOT_HERE);
 492         }
 493         else if (r == crr_invalid_floor) {
 494                 cprintf("%d Target floor does not exist.\n",
 495                         ERROR + INVALID_FLOOR_OPERATION);
 496         }
 497         else if (r == crr_access_denied) {
 498                 cprintf("%d You do not have permission to edit '%s'\n",
 499                         ERROR + HIGHER_ACCESS_REQUIRED,
 500                         CC->room.QRname);
 501         }
 502         else if (r != crr_ok) {
 503                 cprintf("%d Error: CtdlRenameRoom() returned %d\n",
 504                         ERROR + INTERNAL_ERROR, r);
 505         }
 506
 507         if (r != crr_ok) {
 508                 return;
 509         }
 510
 511         CtdlGetRoom(&CC->room, new_name);
 512
 513         /* Now we have to do a bunch of other stuff */
 514
 515         if (num_parms(args) >= 7) {
 516                 new_order = extract_int(args, 6);
 517                 if (new_order < 1)
 518                         new_order = 1;
 519                 if (new_order > 127)
 520                         new_order = 127;
 521         }
 522
 523         CtdlGetRoomLock(&CC->room, CC->room.QRname);
 524
 525         /* Directory room */
 526         extract_token(buf, args, 2, '|', sizeof buf);
 527         buf[15] = 0;
 528         safestrncpy(CC->room.QRdirname, buf,
 529                 sizeof CC->room.QRdirname);
 530
 531         /* Default view */
 532         if (num_parms(args) >= 8) {
 533                 CC->room.QRdefaultview = extract_int(args, 7);
 534         }
 535
 536         /* Second set of flags */
 537         if (num_parms(args) >= 9) {
 538                 CC->room.QRflags2 = extract_int(args, 8);
 539         }
 540
 541         /* Misc. flags */
 542         CC->room.QRflags = (extract_int(args, 3) | QR_INUSE);
 543         /* Clean up a client boo-boo: if the client set the room to
 544          * guess-name or passworded, ensure that the private flag is
 545          * also set.
 546          */
 547         if ((CC->room.QRflags & QR_GUESSNAME)
 548             || (CC->room.QRflags & QR_PASSWORDED))
 549                 CC->room.QRflags |= QR_PRIVATE;
 550
 551         /* Some changes can't apply to BASEROOM */
 552         if (!strncasecmp(CC->room.QRname, CtdlGetConfigStr("c_baseroom"), ROOMNAMELEN)) {
 553                 CC->room.QRorder = 0;
 554                 CC->room.QRpasswd[0] = '\0';
 555                 CC->room.QRflags &= ~(QR_PRIVATE & QR_PASSWORDED &
 556                         QR_GUESSNAME & QR_PREFONLY & QR_MAILBOX);
 557                 CC->room.QRflags |= QR_PERMANENT;
 558         }
 559         else {
 560                 /* March order (doesn't apply to AIDEROOM) */
 561                 if (num_parms(args) >= 7)
 562                         CC->room.QRorder = (char) new_order;
 563                 /* Room password */
 564                 extract_token(buf, args, 1, '|', sizeof buf);
 565                 buf[10] = 0;
 566                 safestrncpy(CC->room.QRpasswd, buf, sizeof CC->room.QRpasswd);
 567                 /* Kick everyone out if the client requested it
 568                  * (by changing the room's generation number)
 569                  */
 570                 if (extract_int(args, 4)) {
 571                         time(&CC->room.QRgen);
 572                 }
 573         }
 574         /* Some changes can't apply to AIDEROOM */
 575         if (!strncasecmp(CC->room.QRname, CtdlGetConfigStr("c_baseroom"), ROOMNAMELEN)) {
 576                 CC->room.QRorder = 0;
 577                 CC->room.QRflags &= ~QR_MAILBOX;
 578                 CC->room.QRflags |= QR_PERMANENT;
 579         }
 580
 581         /* Write the room record back to disk */
 582         CtdlPutRoomLock(&CC->room);
 583
 584         /* Create a room directory if necessary */
 585         if (CC->room.QRflags & QR_DIRECTORY) {
 586                 snprintf(buf, sizeof buf,"%s/%s", ctdl_file_dir, CC->room.QRdirname);
 587                 mkdir(buf, 0755);
 588         }
 589         snprintf(buf, sizeof buf, "The room \"%s\" has been edited by %s.\n",
 590                 CC->room.QRname,
 591                 (CC->logged_in ? CC->curr_user : "an administrator")
 592         );
 593         CtdlAideMessage(buf, "Room modification Message");
 594         cprintf("%d Ok\n", CIT_OK);
 595 }
 596
 597
 598 // get the name of the room admin for this room
 599 void cmd_geta(char *cmdbuf) {
 600         struct ctdluser usbuf;
 601
 602         if (CtdlAccessCheck(ac_logged_in)) return;
 603
 604         if (CtdlGetUserByNumber(&usbuf, CC->room.QRroomaide) == 0) {
 605                 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
 606         }
 607         else {
 608                 cprintf("%d \n", CIT_OK);
 609         }
 610 }
 611
 612
 613 // set the room admin for this room
 614 void cmd_seta(char *new_ra) {
 615         struct ctdluser usbuf;
 616         long newu;
 617         char buf[SIZ];
 618         int post_notice;
 619
 620         if (CtdlAccessCheck(ac_room_aide)) return;
 621
 622         if (CtdlGetUser(&usbuf, new_ra) != 0) {
 623                 newu = (-1L);
 624         }
 625         else {
 626                 newu = usbuf.usernum;
 627         }
 628
 629         CtdlGetRoomLock(&CC->room, CC->room.QRname);
 630         post_notice = 0;
 631         if (CC->room.QRroomaide != newu) {
 632                 post_notice = 1;
 633         }
 634         CC->room.QRroomaide = newu;
 635         CtdlPutRoomLock(&CC->room);
 636
 637         // We have to post the change notice _after_ writing changes to
 638         // the room table, otherwise it would deadlock!
 639         if (post_notice == 1) {
 640                 if (!IsEmptyStr(usbuf.fullname))
 641                         snprintf(buf, sizeof buf,
 642                                 "%s is now the room admin for \"%s\".\n",
 643                                 usbuf.fullname, CC->room.QRname);
 644                 else
 645                         snprintf(buf, sizeof buf,
 646                                 "There is now no room admin for \"%s\".\n",
 647                                 CC->room.QRname);
 648                 CtdlAideMessage(buf, "Admin Room Modification");
 649         }
 650         cprintf("%d Ok\n", CIT_OK);
 651 }
 652
 653
 654 // Retrieve info file for this room (this ought to be upgraded to handle non-plain-text)
 655 void cmd_rinf(char *argbuf) {
 656         struct CtdlMessage *msg = CtdlFetchMessage(CC->room.msgnum_info, 1);
 657         if (msg != NULL) {
 658                 cprintf("%d Info:\n", LISTING_FOLLOWS);
 659                 CtdlOutputPreLoadedMsg(msg, MT_CITADEL, HEADERS_NONE, 0, 0, 0);
 660                 CM_Free(msg);
 661                 cprintf("000\n");
 662         }
 663         else {
 664                 cprintf("%d No info file.\n", ERROR + FILE_NOT_FOUND);
 665         }
 666 }
 667
 668
 669 // admin command: kill the current room
 670 void cmd_kill(char *argbuf) {
 671         char deleted_room_name[ROOMNAMELEN];
 672         char msg[SIZ];
 673         int kill_ok;
 674
 675         kill_ok = extract_int(argbuf, 0);
 676
 677         if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->room) == 0) {
 678                 cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
 679                 return;
 680         }
 681         if (kill_ok) {
 682                 if (CC->room.QRflags & QR_MAILBOX) {
 683                         safestrncpy(deleted_room_name, &CC->room.QRname[11], sizeof deleted_room_name);
 684                 }
 685                 else {
 686                         safestrncpy(deleted_room_name, CC->room.QRname, sizeof deleted_room_name);
 687                 }
 688
 689                 /* Do the dirty work */
 690                 CtdlScheduleRoomForDeletion(&CC->room);
 691
 692                 /* Return to the Lobby */
 693                 CtdlUserGoto(CtdlGetConfigStr("c_baseroom"), 0, 0, NULL, NULL, NULL, NULL);
 694
 695                 /* tell the world what we did */
 696                 snprintf(msg, sizeof msg, "The room \"%s\" has been deleted by %s.\n",
 697                          deleted_room_name,
 698                         (CC->logged_in ? CC->curr_user : "an administrator")
 699                 );
 700                 CtdlAideMessage(msg, "Room Purger Message");
 701                 cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
 702         }
 703         else {
 704                 cprintf("%d ok to delete.\n", CIT_OK);
 705         }
 706 }
 707
 708
 709 // create a new room
 710 void cmd_cre8(char *args) {
 711         int cre8_ok;
 712         char new_room_name[ROOMNAMELEN];
 713         int new_room_type;
 714         char new_room_pass[32];
 715         int new_room_floor;
 716         int new_room_view;
 717         char *notification_message = NULL;
 718         unsigned newflags;
 719         struct floor *fl;
 720         int avoid_access = 0;
 721
 722         cre8_ok = extract_int(args, 0);
 723         extract_token(new_room_name, args, 1, '|', sizeof new_room_name);
 724         new_room_name[ROOMNAMELEN - 1] = 0;
 725         new_room_type = extract_int(args, 2);
 726         extract_token(new_room_pass, args, 3, '|', sizeof new_room_pass);
 727         avoid_access = extract_int(args, 5);
 728         new_room_view = extract_int(args, 6);
 729         new_room_pass[9] = 0;
 730         new_room_floor = 0;
 731
 732         if ((IsEmptyStr(new_room_name)) && (cre8_ok == 1)) {
 733                 cprintf("%d Invalid room name.\n", ERROR + ILLEGAL_VALUE);
 734                 return;
 735         }
 736
 737         if (!strcasecmp(new_room_name, MAILROOM)) {
 738                 cprintf("%d '%s' already exists.\n",
 739                         ERROR + ALREADY_EXISTS, new_room_name);
 740                 return;
 741         }
 742
 743         if (num_parms(args) >= 5) {
 744                 fl = CtdlGetCachedFloor(extract_int(args, 4));
 745                 if (fl == NULL) {
 746                         cprintf("%d Invalid floor number.\n",
 747                                 ERROR + INVALID_FLOOR_OPERATION);
 748                         return;
 749                 }
 750                 else if ((fl->f_flags & F_INUSE) == 0) {
 751                         cprintf("%d Invalid floor number.\n",
 752                                 ERROR + INVALID_FLOOR_OPERATION);
 753                         return;
 754                 } else {
 755                         new_room_floor = extract_int(args, 4);
 756                 }
 757         }
 758
 759         if (CtdlAccessCheck(ac_logged_in)) return;
 760
 761         if (CC->user.axlevel < CtdlGetConfigInt("c_createax") && !CC->internal_pgm) {
 762                 cprintf("%d You need higher access to create rooms.\n",
 763                         ERROR + HIGHER_ACCESS_REQUIRED);
 764                 return;
 765         }
 766
 767         if ((IsEmptyStr(new_room_name)) && (cre8_ok == 0)) {
 768                 cprintf("%d Ok to create rooms.\n", CIT_OK);
 769                 return;
 770         }
 771
 772         if ((new_room_type < 0) || (new_room_type > 5)) {
 773                 cprintf("%d Invalid room type.\n", ERROR + ILLEGAL_VALUE);
 774                 return;
 775         }
 776
 777         if (new_room_type == 5) {
 778                 if (CC->user.axlevel < AxAideU) {
 779                         cprintf("%d Higher access required\n",
 780                                 ERROR + HIGHER_ACCESS_REQUIRED);
 781                         return;
 782                 }
 783         }
 784
 785         /* Check to make sure the requested room name doesn't already exist */
 786         newflags = CtdlCreateRoom(new_room_name,
 787                                 new_room_type, new_room_pass, new_room_floor,
 788                                 0, avoid_access, new_room_view);
 789         if (newflags == 0) {
 790                 cprintf("%d '%s' already exists.\n",
 791                         ERROR + ALREADY_EXISTS, new_room_name);
 792                 return;
 793         }
 794
 795         if (cre8_ok == 0) {
 796                 cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
 797                 return;
 798         }
 799
 800         /* If we reach this point, the room needs to be created. */
 801
 802         newflags = CtdlCreateRoom(new_room_name,
 803                            new_room_type, new_room_pass, new_room_floor, 1, 0,
 804                            new_room_view);
 805
 806         /* post a message in Aide> describing the new room */
 807         notification_message = malloc(1024);
 808         snprintf(notification_message, 1024,
 809                 "A new room called \"%s\" has been created by %s%s%s%s%s%s\n",
 810                 new_room_name,
 811                 (CC->logged_in ? CC->curr_user : "an administrator"),
 812                 ((newflags & QR_MAILBOX) ? " [personal]" : ""),
 813                 ((newflags & QR_PRIVATE) ? " [private]" : ""),
 814                 ((newflags & QR_GUESSNAME) ? " [hidden]" : ""),
 815                 ((newflags & QR_PASSWORDED) ? " Password: " : ""),
 816                 ((newflags & QR_PASSWORDED) ? new_room_pass : "")
 817         );
 818         CtdlAideMessage(notification_message, "Room Creation Message");
 819         free(notification_message);
 820
 821         cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
 822 }
 823
 824
 825 // Upload the room banner text for this room.
 826 // This should be amended to handle content types other than plain text.
 827 void cmd_einf(char *ok) {                               /* enter info file for current room */
 828         char buf[SIZ];
 829         unbuffer_output();
 830
 831         if (CtdlAccessCheck(ac_room_aide)) return;
 832
 833         if (atoi(ok) == 0) {
 834                 cprintf("%d Ok.\n", CIT_OK);
 835                 return;
 836         }
 837
 838         StrBuf *NewBanner = NewStrBufPlain("Content-type: text/plain; charset=UTF-8\nContent-transfer-encoding: 8bit\n\n", -1);
 839
 840         cprintf("%d Transmit new banner in plain text now.\n", SEND_LISTING);
 841         while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
 842                 StrBufAppendBufPlain(NewBanner, buf, -1, 0);
 843                 StrBufAppendBufPlain(NewBanner, HKEY("\n"), 0);
 844         }
 845
 846         // We have read the new banner from the user , now save it
 847         long new_msgnum = quickie_message("Citadel", NULL, NULL, SYSCONFIGROOM, ChrPtr(NewBanner), FMT_RFC822, "Banner submitted with EINF command");
 848         FreeStrBuf(&NewBanner);
 849
 850         // Update the room record with a pointer to our new banner
 851         CtdlGetRoomLock(&CC->room, CC->room.QRname);
 852         long old_msgnum = CC->room.msgnum_info;
 853         CC->room.msgnum_info = new_msgnum;
 854         CtdlPutRoomLock(&CC->room);
 855
 856         // Delete the old one
 857         CtdlDeleteMessages(SYSCONFIGROOM, &old_msgnum, 1, "");
 858 }
 859
 860
 861 // cmd_lflr()   -  List all known floors
 862 void cmd_lflr(char *gargs) {
 863         int a;
 864         struct floor flbuf;
 865
 866         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 867
 868         cprintf("%d Known floors:\n", LISTING_FOLLOWS);
 869
 870         for (a = 0; a < MAXFLOORS; ++a) {
 871                 CtdlGetFloor(&flbuf, a);
 872                 if (flbuf.f_flags & F_INUSE) {
 873                         cprintf("%d|%s|%d\n", a, flbuf.f_name, flbuf.f_ref_count);
 874                 }
 875         }
 876         cprintf("000\n");
 877 }
 878
 879
 880 // create a new floor
 881 void cmd_cflr(char *argbuf) {
 882         char new_floor_name[256];
 883         struct floor flbuf;
 884         int cflr_ok;
 885         int free_slot = (-1);
 886         int a;
 887
 888         extract_token(new_floor_name, argbuf, 0, '|', sizeof new_floor_name);
 889         cflr_ok = extract_int(argbuf, 1);
 890
 891         if (CtdlAccessCheck(ac_aide)) return;
 892
 893         if (IsEmptyStr(new_floor_name)) {
 894                 cprintf("%d Blank floor name not allowed.\n",
 895                         ERROR + ILLEGAL_VALUE);
 896                 return;
 897         }
 898
 899         for (a = 0; a < MAXFLOORS; ++a) {
 900                 CtdlGetFloor(&flbuf, a);
 901
 902                 /* note any free slots while we're scanning... */
 903                 if (((flbuf.f_flags & F_INUSE) == 0)
 904                     && (free_slot < 0))
 905                         free_slot = a;
 906
 907                 /* check to see if it already exists */
 908                 if ((!strcasecmp(flbuf.f_name, new_floor_name))
 909                     && (flbuf.f_flags & F_INUSE)) {
 910                         cprintf("%d Floor '%s' already exists.\n",
 911                                 ERROR + ALREADY_EXISTS,
 912                                 flbuf.f_name);
 913                         return;
 914                 }
 915         }
 916
 917         if (free_slot < 0) {
 918                 cprintf("%d There is no space available for a new floor.\n",
 919                         ERROR + INVALID_FLOOR_OPERATION);
 920                 return;
 921         }
 922         if (cflr_ok == 0) {
 923                 cprintf("%d ok to create...\n", CIT_OK);
 924                 return;
 925         }
 926         lgetfloor(&flbuf, free_slot);
 927         flbuf.f_flags = F_INUSE;
 928         flbuf.f_ref_count = 0;
 929         safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
 930         lputfloor(&flbuf, free_slot);
 931         cprintf("%d %d\n", CIT_OK, free_slot);
 932 }
 933
 934
 935 // delete a floor
 936 void cmd_kflr(char *argbuf) {
 937         struct floor flbuf;
 938         int floor_to_delete;
 939         int kflr_ok;
 940         int delete_ok;
 941
 942         floor_to_delete = extract_int(argbuf, 0);
 943         kflr_ok = extract_int(argbuf, 1);
 944
 945         if (CtdlAccessCheck(ac_aide)) return;
 946
 947         lgetfloor(&flbuf, floor_to_delete);
 948
 949         delete_ok = 1;
 950         if ((flbuf.f_flags & F_INUSE) == 0) {
 951                 cprintf("%d Floor %d not in use.\n", ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
 952                 delete_ok = 0;
 953         } else {
 954                 if (flbuf.f_ref_count != 0) {
 955                         cprintf("%d Cannot delete; floor contains %d rooms.\n",
 956                                 ERROR + INVALID_FLOOR_OPERATION,
 957                                 flbuf.f_ref_count);
 958                         delete_ok = 0;
 959                 }
 960                 else {
 961                         if (kflr_ok == 1) {
 962                                 cprintf("%d Ok\n", CIT_OK);
 963                         }
 964                         else {
 965                                 cprintf("%d Ok to delete...\n", CIT_OK);
 966                         }
 967
 968                 }
 969
 970         }
 971
 972         if ((delete_ok == 1) && (kflr_ok == 1)) {
 973                 flbuf.f_flags = 0;
 974         }
 975         lputfloor(&flbuf, floor_to_delete);
 976 }
 977
 978
 979 // edit a floor
 980 void cmd_eflr(char *argbuf) {
 981         struct floor flbuf;
 982         int floor_num;
 983         int np;
 984
 985         np = num_parms(argbuf);
 986         if (np < 1) {
 987                 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
 988                 return;
 989         }
 990
 991         if (CtdlAccessCheck(ac_aide)) return;
 992
 993         floor_num = extract_int(argbuf, 0);
 994         lgetfloor(&flbuf, floor_num);
 995         if ((flbuf.f_flags & F_INUSE) == 0) {
 996                 lputfloor(&flbuf, floor_num);
 997                 cprintf("%d Floor %d is not in use.\n", ERROR + INVALID_FLOOR_OPERATION, floor_num);
 998                 return;
 999         }
1000         if (np >= 2) {
1001                 extract_token(flbuf.f_name, argbuf, 1, '|', sizeof flbuf.f_name);
1002         }
1003         lputfloor(&flbuf, floor_num);
1004
1005         cprintf("%d Ok\n", CIT_OK);
1006 }
1007
1008
1009 // cmd_stat()  -  return the modification time of the current room (maybe other things in the future)
1010 void cmd_stat(char *gargs) {
1011         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
1012         CtdlGetRoom(&CC->room, CC->room.QRname);
1013         cprintf("%d %s|%ld|\n", CIT_OK, CC->room.QRname, CC->room.QRmtime);
1014 }
1015
1016
1017 // Initialization function, called from modules_init.c
1018 char *ctdl_module_init_rooms(void) {
1019         if (!threading) {
1020                 CtdlRegisterProtoHook(cmd_lrms, "LRMS", "List rooms");
1021                 CtdlRegisterProtoHook(cmd_lkra, "LKRA", "List all known rooms");
1022                 CtdlRegisterProtoHook(cmd_lkrn, "LKRN", "List known rooms with new messages");
1023                 CtdlRegisterProtoHook(cmd_lkro, "LKRO", "List known rooms without new messages");
1024                 CtdlRegisterProtoHook(cmd_lzrm, "LZRM", "List zapped rooms");
1025                 CtdlRegisterProtoHook(cmd_lprm, "LPRM", "List public rooms");
1026                 CtdlRegisterProtoHook(cmd_goto, "GOTO", "Goto a named room");
1027                 CtdlRegisterProtoHook(cmd_stat, "STAT", "Get mtime of the current room");
1028                 CtdlRegisterProtoHook(cmd_whok, "WHOK", "List users who know this room");
1029                 CtdlRegisterProtoHook(cmd_rdir, "RDIR", "List files in room directory");
1030                 CtdlRegisterProtoHook(cmd_getr, "GETR", "Get room parameters");
1031                 CtdlRegisterProtoHook(cmd_setr, "SETR", "Set room parameters");
1032                 CtdlRegisterProtoHook(cmd_geta, "GETA", "Get the room admin name");
1033                 CtdlRegisterProtoHook(cmd_seta, "SETA", "Set the room admin for this room");
1034                 CtdlRegisterProtoHook(cmd_rinf, "RINF", "Fetch room info file");
1035                 CtdlRegisterProtoHook(cmd_kill, "KILL", "Kill (delete) the current room");
1036                 CtdlRegisterProtoHook(cmd_cre8, "CRE8", "Create a new room");
1037                 CtdlRegisterProtoHook(cmd_einf, "EINF", "Enter info file for the current room");
1038                 CtdlRegisterProtoHook(cmd_lflr, "LFLR", "List all known floors");
1039                 CtdlRegisterProtoHook(cmd_cflr, "CFLR", "Create a new floor");
1040                 CtdlRegisterProtoHook(cmd_kflr, "KFLR", "Kill a floor");
1041                 CtdlRegisterProtoHook(cmd_eflr, "EFLR", "Edit a floor");
1042         }
1043         /* return our id for the log */
1044         return "rooms";
1045 }