citadel/room_ops.c

   1 /*
   2  * Server functions which perform operations on room objects.
   3  *
   4  */
   5
   6 #include "sysdep.h"
   7 #include <stdlib.h>
   8 #include <unistd.h>
   9 #include <stdio.h>
  10 #include <sys/stat.h>
  11 #include <ctype.h>
  12 #include <string.h>
  13 #include <dirent.h>     /* for cmd_rdir to read contents of the directory */
  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 <limits.h>
  27 #include <errno.h>
  28 #include "citadel.h"
  29 #include <libcitadel.h>
  30 #include "server.h"
  31 #include "database.h"
  32 #include "config.h"
  33 #include "room_ops.h"
  34 #include "sysdep_decls.h"
  35 #include "support.h"
  36 #include "msgbase.h"
  37 #include "citserver.h"
  38 #include "control.h"
  39 #include "citadel_dirs.h"
  40 #include "threads.h"
  41
  42 #include "ctdl_module.h"
  43 #include "user_ops.h"
  44
  45 struct floor *floorcache[MAXFLOORS];
  46
  47 /*
  48  * Retrieve access control information for any user/room pair
  49  */
  50 void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
  51                 int *result, int *view)
  52 {
  53         int retval = 0;
  54         visit vbuf;
  55         int is_me = 0;
  56
  57         if (userbuf == &CC->user) {
  58                 is_me = 1;
  59         }
  60
  61         /*** temporary ObviousLog(tm) -- disregard this
  62         if (is_me) {
  63                 CtdlLogPrintf(CTDL_DEBUG, "\033[32muserbuf==CC\033[0m\n");
  64         }
  65         else {
  66                 CtdlLogPrintf(CTDL_DEBUG, "\033[31muserbuf!=CC\033[0m\n");
  67         }
  68         ***/
  69
  70         /* for internal programs, always do everything */
  71         if (((CC->internal_pgm)) && (roombuf->QRflags & QR_INUSE)) {
  72                 retval = (UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED);
  73                 vbuf.v_view = 0;
  74                 goto SKIP_EVERYTHING;
  75         }
  76
  77         /* If guest mode is enabled, always grant access to the Lobby */
  78         if (
  79                 (is_me)
  80                 && (!CC->logged_in)
  81                 && (config.c_guest_logins)
  82                 && (!strcasecmp(roombuf->QRname, BASEROOM))
  83         ) {
  84                 retval = (UA_KNOWN | UA_GOTOALLOWED);
  85                 vbuf.v_view = 0;
  86                 goto SKIP_EVERYTHING;
  87         }
  88
  89         /* Locate any applicable user/room relationships */
  90         CtdlGetRelationship(&vbuf, userbuf, roombuf);
  91
  92         /* Force the properties of the Aide room */
  93         if (!strcasecmp(roombuf->QRname, config.c_aideroom)) {
  94                 if (userbuf->axlevel >= AxAideU) {
  95                         retval = UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED;
  96                 } else {
  97                         retval = 0;
  98                 }
  99                 goto NEWMSG;
 100         }
 101
 102         /* If this is a public room, it's accessible... */
 103         if ( ((roombuf->QRflags & QR_PRIVATE) == 0)
 104            && ((roombuf->QRflags & QR_MAILBOX) == 0) ) {
 105                 retval = retval | UA_KNOWN | UA_GOTOALLOWED;
 106         }
 107
 108         /* If this is a preferred users only room, check access level */
 109         if (roombuf->QRflags & QR_PREFONLY) {
 110                 if (userbuf->axlevel < AxPrefU) {
 111                         retval = retval & ~UA_KNOWN & ~UA_GOTOALLOWED;
 112                 }
 113         }
 114
 115         /* For private rooms, check the generation number matchups */
 116         if ( (roombuf->QRflags & QR_PRIVATE)
 117            && ((roombuf->QRflags & QR_MAILBOX) == 0) ) {
 118
 119                 /* An explicit match means the user belongs in this room */
 120                 if (vbuf.v_flags & V_ACCESS) {
 121                         retval = retval | UA_KNOWN | UA_GOTOALLOWED;
 122                 }
 123                 /* Otherwise, check if this is a guess-name or passworded
 124                  * room.  If it is, a goto may at least be attempted
 125                  */
 126                 else if ((roombuf->QRflags & QR_PRIVATE)
 127                          || (roombuf->QRflags & QR_PASSWORDED)) {
 128                         retval = retval & ~UA_KNOWN;
 129                         retval = retval | UA_GOTOALLOWED;
 130                 }
 131         }
 132
 133         /* For mailbox rooms, also check the namespace */
 134         /* Also, mailbox owners can delete their messages */
 135         if (roombuf->QRflags & QR_MAILBOX) {
 136                 if (userbuf->usernum == atol(roombuf->QRname)) {
 137                         retval = retval | UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED;
 138                 }
 139                 /* An explicit match means the user belongs in this room */
 140                 if (vbuf.v_flags & V_ACCESS) {
 141                         retval = retval | UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED | UA_DELETEALLOWED;
 142                 }
 143         }
 144
 145         /* For non-mailbox rooms... */
 146         else {
 147
 148                 /* User is allowed to post in the room unless:
 149                  * - User is not validated
 150                  * - User has no net privileges and it is a shared network room
 151                  * - It is a read-only room
 152                  */
 153                 int post_allowed = 1;
 154                 if (userbuf->axlevel < AxProbU) post_allowed = 0;
 155                 if ((userbuf->axlevel < AxNetU) && (roombuf->QRflags & QR_NETWORK)) post_allowed = 0;
 156                 if (roombuf->QRflags & QR_READONLY) post_allowed = 0;
 157                 if (post_allowed) {
 158                         retval = retval | UA_POSTALLOWED;
 159                 }
 160
 161                 /* If "collaborative deletion" is active for this room, any user who can post
 162                  * is also allowed to delete
 163                  */
 164                 if (roombuf->QRflags2 & QR2_COLLABDEL) {
 165                         if (retval & UA_POSTALLOWED) {
 166                                 retval = retval | UA_DELETEALLOWED;
 167                         }
 168                 }
 169
 170         }
 171
 172         /* Check to see if the user has forgotten this room */
 173         if (vbuf.v_flags & V_FORGET) {
 174                 retval = retval & ~UA_KNOWN;
 175                 if ( ( ((roombuf->QRflags & QR_PRIVATE) == 0)
 176                       && ((roombuf->QRflags & QR_MAILBOX) == 0) )
 177                    || ( (roombuf->QRflags & QR_MAILBOX)
 178                       && (atol(roombuf->QRname) == CC->user.usernum))) {
 179                         retval = retval | UA_ZAPPED;
 180                 }
 181         }
 182         /* If user is explicitly locked out of this room, deny everything */
 183         if (vbuf.v_flags & V_LOCKOUT) {
 184                 retval = retval & ~UA_KNOWN & ~UA_GOTOALLOWED & ~UA_POSTALLOWED;
 185         }
 186
 187         /* Aides get access to all private rooms */
 188         if ( (userbuf->axlevel >= AxAideU)
 189            && ((roombuf->QRflags & QR_MAILBOX) == 0) ) {
 190                 if (vbuf.v_flags & V_FORGET) {
 191                         retval = retval | UA_GOTOALLOWED | UA_POSTALLOWED;
 192                 }
 193                 else {
 194                         retval = retval | UA_KNOWN | UA_GOTOALLOWED | UA_POSTALLOWED;
 195                 }
 196         }
 197
 198         /* Aides can gain access to mailboxes as well, but they don't show
 199          * by default.
 200          */
 201         if ( (userbuf->axlevel >= AxAideU)
 202            && (roombuf->QRflags & QR_MAILBOX) ) {
 203                 retval = retval | UA_GOTOALLOWED | UA_POSTALLOWED;
 204         }
 205
 206         /* Aides and Room Aides have admin privileges */
 207         if ( (userbuf->axlevel >= AxAideU)
 208            || (userbuf->usernum == roombuf->QRroomaide)
 209            ) {
 210                 retval = retval | UA_ADMINALLOWED | UA_DELETEALLOWED | UA_POSTALLOWED;
 211         }
 212
 213 NEWMSG: /* By the way, we also check for the presence of new messages */
 214         if (is_msg_in_sequence_set(vbuf.v_seen, roombuf->QRhighest) == 0) {
 215                 retval = retval | UA_HASNEWMSGS;
 216         }
 217
 218         /* System rooms never show up in the list. */
 219         if (roombuf->QRflags2 & QR2_SYSTEM) {
 220                 retval = retval & ~UA_KNOWN;
 221         }
 222
 223 SKIP_EVERYTHING:
 224         /* Now give the caller the information it wants. */
 225         if (result != NULL) *result = retval;
 226         if (view != NULL) *view = vbuf.v_view;
 227 }
 228
 229 /*
 230  * Self-checking stuff for a room record read into memory
 231  */
 232 void room_sanity_check(struct ctdlroom *qrbuf)
 233 {
 234         /* Mailbox rooms are always on the lowest floor */
 235         if (qrbuf->QRflags & QR_MAILBOX) {
 236                 qrbuf->QRfloor = 0;
 237         }
 238         /* Listing order of 0 is illegal except for base rooms */
 239         if (qrbuf->QRorder == 0)
 240                 if (!(qrbuf->QRflags & QR_MAILBOX) &&
 241                     strncasecmp(qrbuf->QRname, config.c_baseroom, ROOMNAMELEN)
 242                     &&
 243                     strncasecmp(qrbuf->QRname, config.c_aideroom, ROOMNAMELEN))
 244                         qrbuf->QRorder = 64;
 245 }
 246
 247
 248 /*
 249  * CtdlGetRoom()  -  retrieve room data from disk
 250  */
 251 int CtdlGetRoom(struct ctdlroom *qrbuf, char *room_name)
 252 {
 253         struct cdbdata *cdbqr;
 254         char lowercase_name[ROOMNAMELEN];
 255         char personal_lowercase_name[ROOMNAMELEN];
 256         char *dptr, *sptr, *eptr;
 257
 258         dptr = lowercase_name;
 259         sptr = room_name;
 260         eptr = (dptr + (sizeof lowercase_name - 1));
 261         while (!IsEmptyStr(sptr) && (dptr < eptr)){
 262                 *dptr = tolower(*sptr);
 263                 sptr++; dptr++;
 264         }
 265         *dptr = '\0';
 266
 267         memset(qrbuf, 0, sizeof(struct ctdlroom));
 268
 269         /* First, try the public namespace */
 270         cdbqr = cdb_fetch(CDB_ROOMS,
 271                           lowercase_name, strlen(lowercase_name));
 272
 273         /* If that didn't work, try the user's personal namespace */
 274         if (cdbqr == NULL) {
 275                 snprintf(personal_lowercase_name,
 276                          sizeof personal_lowercase_name, "%010ld.%s",
 277                          CC->user.usernum, lowercase_name);
 278                 cdbqr = cdb_fetch(CDB_ROOMS,
 279                                   personal_lowercase_name,
 280                                   strlen(personal_lowercase_name));
 281         }
 282         if (cdbqr != NULL) {
 283                 memcpy(qrbuf, cdbqr->ptr,
 284                        ((cdbqr->len > sizeof(struct ctdlroom)) ?
 285                         sizeof(struct ctdlroom) : cdbqr->len));
 286                 cdb_free(cdbqr);
 287
 288                 room_sanity_check(qrbuf);
 289
 290                 return (0);
 291         } else {
 292                 return (1);
 293         }
 294 }
 295
 296 /*
 297  * CtdlGetRoomLock()  -  same as getroom() but locks the record (if supported)
 298  */
 299 int CtdlGetRoomLock(struct ctdlroom *qrbuf, char *room_name)
 300 {
 301         register int retval;
 302         retval = CtdlGetRoom(qrbuf, room_name);
 303         if (retval == 0) begin_critical_section(S_ROOMS);
 304         return(retval);
 305 }
 306
 307
 308 /*
 309  * b_putroom()  -  back end to putroom() and b_deleteroom()
 310  *              (if the supplied buffer is NULL, delete the room record)
 311  */
 312 void b_putroom(struct ctdlroom *qrbuf, char *room_name)
 313 {
 314         char lowercase_name[ROOMNAMELEN];
 315         char *aptr, *bptr;
 316         long len;
 317
 318         aptr = room_name;
 319         bptr = lowercase_name;
 320         while (!IsEmptyStr(aptr))
 321         {
 322                 *bptr = tolower(*aptr);
 323                 aptr++;
 324                 bptr++;
 325         }
 326         *bptr='\0';
 327
 328         len = bptr - lowercase_name;
 329         if (qrbuf == NULL) {
 330                 cdb_delete(CDB_ROOMS,
 331                            lowercase_name, len);
 332         } else {
 333                 time(&qrbuf->QRmtime);
 334                 cdb_store(CDB_ROOMS,
 335                           lowercase_name, len,
 336                           qrbuf, sizeof(struct ctdlroom));
 337         }
 338 }
 339
 340
 341 /*
 342  * CtdlPutRoom()  -  store room data to disk
 343  */
 344 void CtdlPutRoom(struct ctdlroom *qrbuf) {
 345         b_putroom(qrbuf, qrbuf->QRname);
 346 }
 347
 348
 349 /*
 350  * b_deleteroom()  -  delete a room record from disk
 351  */
 352 void b_deleteroom(char *room_name) {
 353         b_putroom(NULL, room_name);
 354 }
 355
 356
 357
 358 /*
 359  * CtdlPutRoomLock()  -  same as CtdlPutRoom() but unlocks the record (if supported)
 360  */
 361 void CtdlPutRoomLock(struct ctdlroom *qrbuf)
 362 {
 363
 364         CtdlPutRoom(qrbuf);
 365         end_critical_section(S_ROOMS);
 366
 367 }
 368
 369 /****************************************************************************/
 370
 371
 372 /*
 373  * CtdlGetFloorByName()  -  retrieve the number of the named floor
 374  * return < 0 if not found else return floor number
 375  */
 376 int CtdlGetFloorByName(const char *floor_name)
 377 {
 378         int a;
 379         struct floor *flbuf = NULL;
 380
 381         for (a = 0; a < MAXFLOORS; ++a) {
 382                 flbuf = CtdlGetCachedFloor(a);
 383
 384                 /* check to see if it already exists */
 385                 if ((!strcasecmp(flbuf->f_name, floor_name))
 386                     && (flbuf->f_flags & F_INUSE)) {
 387                         return a;
 388                 }
 389         }
 390         return -1;
 391 }
 392
 393
 394
 395 /*
 396  * CtdlGetFloorByNameLock()  -  retrieve floor number for given floor and lock the floor list.
 397  */
 398 int CtdlGetFloorByNameLock(const char *floor_name)
 399 {
 400         begin_critical_section(S_FLOORTAB);
 401         return CtdlGetFloorByName(floor_name);
 402 }
 403
 404
 405
 406 /*
 407  * CtdlGetAvailableFloor()  -  Return number of first unused floor
 408  * return < 0 if none available
 409  */
 410 int CtdlGetAvailableFloor(void)
 411 {
 412         int a;
 413         struct floor *flbuf = NULL;
 414
 415         for (a = 0; a < MAXFLOORS; a++) {
 416                 flbuf = CtdlGetCachedFloor(a);
 417
 418                 /* check to see if it already exists */
 419                 if ((flbuf->f_flags & F_INUSE) == 0) {
 420                         return a;
 421                 }
 422         }
 423         return -1;
 424 }
 425
 426
 427 /*
 428  * CtdlGetFloor()  -  retrieve floor data from disk
 429  */
 430 void CtdlGetFloor(struct floor *flbuf, int floor_num)
 431 {
 432         struct cdbdata *cdbfl;
 433
 434         memset(flbuf, 0, sizeof(struct floor));
 435         cdbfl = cdb_fetch(CDB_FLOORTAB, &floor_num, sizeof(int));
 436         if (cdbfl != NULL) {
 437                 memcpy(flbuf, cdbfl->ptr,
 438                        ((cdbfl->len > sizeof(struct floor)) ?
 439                         sizeof(struct floor) : cdbfl->len));
 440                 cdb_free(cdbfl);
 441         } else {
 442                 if (floor_num == 0) {
 443                         safestrncpy(flbuf->f_name, "Main Floor",
 444                                 sizeof flbuf->f_name);
 445                         flbuf->f_flags = F_INUSE;
 446                         flbuf->f_ref_count = 3;
 447                 }
 448         }
 449
 450 }
 451
 452 /*
 453  * lgetfloor()  -  same as CtdlGetFloor() but locks the record (if supported)
 454  */
 455 void lgetfloor(struct floor *flbuf, int floor_num)
 456 {
 457
 458         begin_critical_section(S_FLOORTAB);
 459         CtdlGetFloor(flbuf, floor_num);
 460 }
 461
 462
 463 /*
 464  * CtdlGetCachedFloor()  -  Get floor record from *cache* (loads from disk if needed)
 465  *
 466  * This is strictly a performance hack.
 467  */
 468 struct floor *CtdlGetCachedFloor(int floor_num) {
 469         static int initialized = 0;
 470         int i;
 471         int fetch_new = 0;
 472         struct floor *fl = NULL;
 473
 474         begin_critical_section(S_FLOORCACHE);
 475         if (initialized == 0) {
 476                 for (i=0; i<MAXFLOORS; ++i) {
 477                         floorcache[floor_num] = NULL;
 478                 }
 479         initialized = 1;
 480         }
 481         if (floorcache[floor_num] == NULL) {
 482                 fetch_new = 1;
 483         }
 484         end_critical_section(S_FLOORCACHE);
 485
 486         if (fetch_new) {
 487                 fl = malloc(sizeof(struct floor));
 488                 CtdlGetFloor(fl, floor_num);
 489                 begin_critical_section(S_FLOORCACHE);
 490                 if (floorcache[floor_num] != NULL) {
 491                         free(floorcache[floor_num]);
 492                 }
 493                 floorcache[floor_num] = fl;
 494                 end_critical_section(S_FLOORCACHE);
 495         }
 496
 497         return(floorcache[floor_num]);
 498 }
 499
 500
 501
 502 /*
 503  * CtdlPutFloor()  -  store floor data on disk
 504  */
 505 void CtdlPutFloor(struct floor *flbuf, int floor_num)
 506 {
 507         /* If we've cached this, clear it out, 'cuz it's WRONG now! */
 508         begin_critical_section(S_FLOORCACHE);
 509         if (floorcache[floor_num] != NULL) {
 510                 free(floorcache[floor_num]);
 511                 floorcache[floor_num] = malloc(sizeof(struct floor));
 512                 memcpy(floorcache[floor_num], flbuf, sizeof(struct floor));
 513         }
 514         end_critical_section(S_FLOORCACHE);
 515
 516         cdb_store(CDB_FLOORTAB, &floor_num, sizeof(int),
 517                   flbuf, sizeof(struct floor));
 518 }
 519
 520
 521
 522 /*
 523  * CtdlPutFloorLock()  -  same as CtdlPutFloor() but unlocks the record (if supported)
 524  */
 525 void CtdlPutFloorLock(struct floor *flbuf, int floor_num)
 526 {
 527
 528         CtdlPutFloor(flbuf, floor_num);
 529         end_critical_section(S_FLOORTAB);
 530
 531 }
 532
 533
 534
 535 /*
 536  * lputfloor()  -  same as CtdlPutFloor() but unlocks the record (if supported)
 537  */
 538 void lputfloor(struct floor *flbuf, int floor_num)
 539 {
 540         CtdlPutFloorLock(flbuf, floor_num);
 541 }
 542
 543
 544 /*
 545  *  Traverse the room file...
 546  */
 547 void CtdlForEachRoom(void (*CallBack) (struct ctdlroom *EachRoom, void *out_data),
 548                 void *in_data)
 549 {
 550         struct ctdlroom qrbuf;
 551         struct cdbdata *cdbqr;
 552
 553         cdb_rewind(CDB_ROOMS);
 554
 555         while (cdbqr = cdb_next_item(CDB_ROOMS), cdbqr != NULL) {
 556                 memset(&qrbuf, 0, sizeof(struct ctdlroom));
 557                 memcpy(&qrbuf, cdbqr->ptr,
 558                        ((cdbqr->len > sizeof(struct ctdlroom)) ?
 559                         sizeof(struct ctdlroom) : cdbqr->len));
 560                 cdb_free(cdbqr);
 561                 room_sanity_check(&qrbuf);
 562                 if (qrbuf.QRflags & QR_INUSE)
 563                         (*CallBack)(&qrbuf, in_data);
 564         }
 565 }
 566
 567
 568 /*
 569  * delete_msglist()  -  delete room message pointers
 570  */
 571 void delete_msglist(struct ctdlroom *whichroom)
 572 {
 573         struct cdbdata *cdbml;
 574
 575         /* Make sure the msglist we're deleting actually exists, otherwise
 576          * gdbm will complain when we try to delete an invalid record
 577          */
 578         cdbml = cdb_fetch(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
 579         if (cdbml != NULL) {
 580                 cdb_free(cdbml);
 581
 582                 /* Go ahead and delete it */
 583                 cdb_delete(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
 584         }
 585 }
 586
 587
 588
 589 /*
 590  * Message pointer compare function for sort_msglist()
 591  */
 592 int sort_msglist_cmp(const void *m1, const void *m2) {
 593         if ((*(const long *)m1) > (*(const long *)m2)) return(1);
 594         if ((*(const long *)m1) < (*(const long *)m2)) return(-1);
 595         return(0);
 596 }
 597
 598
 599 /*
 600  * sort message pointers
 601  * (returns new msg count)
 602  */
 603 int sort_msglist(long listptrs[], int oldcount)
 604 {
 605         int numitems;
 606
 607         numitems = oldcount;
 608         if (numitems < 2) {
 609                 return (oldcount);
 610         }
 611
 612         /* do the sort */
 613         qsort(listptrs, numitems, sizeof(long), sort_msglist_cmp);
 614
 615         /* and yank any nulls */
 616         while ((numitems > 0) && (listptrs[0] == 0L)) {
 617                 memmove(&listptrs[0], &listptrs[1],
 618                        (sizeof(long) * (numitems - 1)));
 619                 --numitems;
 620         }
 621
 622         return (numitems);
 623 }
 624
 625
 626 /*
 627  * Determine whether a given room is non-editable.
 628  */
 629 int CtdlIsNonEditable(struct ctdlroom *qrbuf)
 630 {
 631
 632         /* Mail> rooms are non-editable */
 633         if ( (qrbuf->QRflags & QR_MAILBOX)
 634              && (!strcasecmp(&qrbuf->QRname[11], MAILROOM)) )
 635                 return (1);
 636
 637         /* Everything else is editable */
 638         return (0);
 639 }
 640
 641
 642
 643 /*
 644  * Back-back-end for all room listing commands
 645  */
 646 void list_roomname(struct ctdlroom *qrbuf, int ra, int current_view, int default_view)
 647 {
 648         char truncated_roomname[ROOMNAMELEN];
 649
 650         /* For my own mailbox rooms, chop off the owner prefix */
 651         if ( (qrbuf->QRflags & QR_MAILBOX)
 652              && (atol(qrbuf->QRname) == CC->user.usernum) ) {
 653                 safestrncpy(truncated_roomname, qrbuf->QRname, sizeof truncated_roomname);
 654                 safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
 655                 cprintf("%s", truncated_roomname);
 656         }
 657         /* For all other rooms, just display the name in its entirety */
 658         else {
 659                 cprintf("%s", qrbuf->QRname);
 660         }
 661
 662         /* ...and now the other parameters */
 663         cprintf("|%u|%d|%d|%d|%d|%d|%d|%ld|\n",
 664                 qrbuf->QRflags,
 665                 (int) qrbuf->QRfloor,
 666                 (int) qrbuf->QRorder,
 667                 (int) qrbuf->QRflags2,
 668                 ra,
 669                 current_view,
 670                 default_view,
 671                 qrbuf->QRmtime
 672         );
 673 }
 674
 675
 676 /*
 677  * cmd_lrms()   -  List all accessible rooms, known or forgotten
 678  */
 679 void cmd_lrms_backend(struct ctdlroom *qrbuf, void *data)
 680 {
 681         int FloorBeingSearched = (-1);
 682         int ra;
 683         int view;
 684
 685         FloorBeingSearched = *(int *)data;
 686         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 687
 688         if ((( ra & (UA_KNOWN | UA_ZAPPED)))
 689             && ((qrbuf->QRfloor == (FloorBeingSearched))
 690                 || ((FloorBeingSearched) < 0)))
 691                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
 692 }
 693
 694 void cmd_lrms(char *argbuf)
 695 {
 696         int FloorBeingSearched = (-1);
 697         if (!IsEmptyStr(argbuf))
 698                 FloorBeingSearched = extract_int(argbuf, 0);
 699
 700         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 701
 702         if (CtdlGetUser(&CC->user, CC->curr_user)) {
 703                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 704                 return;
 705         }
 706         cprintf("%d Accessible rooms:\n", LISTING_FOLLOWS);
 707
 708         CtdlForEachRoom(cmd_lrms_backend, &FloorBeingSearched);
 709         cprintf("000\n");
 710 }
 711
 712
 713
 714 /*
 715  * cmd_lkra()   -  List all known rooms
 716  */
 717 void cmd_lkra_backend(struct ctdlroom *qrbuf, void *data)
 718 {
 719         int FloorBeingSearched = (-1);
 720         int ra;
 721         int view;
 722
 723         FloorBeingSearched = *(int *)data;
 724         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 725
 726         if ((( ra & (UA_KNOWN)))
 727             && ((qrbuf->QRfloor == (FloorBeingSearched))
 728                 || ((FloorBeingSearched) < 0)))
 729                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
 730 }
 731
 732 void cmd_lkra(char *argbuf)
 733 {
 734         int FloorBeingSearched = (-1);
 735         if (!IsEmptyStr(argbuf))
 736                 FloorBeingSearched = extract_int(argbuf, 0);
 737
 738         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 739
 740         if (CtdlGetUser(&CC->user, CC->curr_user)) {
 741                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 742                 return;
 743         }
 744         cprintf("%d Known rooms:\n", LISTING_FOLLOWS);
 745
 746         CtdlForEachRoom(cmd_lkra_backend, &FloorBeingSearched);
 747         cprintf("000\n");
 748 }
 749
 750
 751
 752 void cmd_lprm_backend(struct ctdlroom *qrbuf, void *data)
 753 {
 754         int FloorBeingSearched = (-1);
 755         int ra;
 756         int view;
 757
 758         FloorBeingSearched = *(int *)data;
 759         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 760
 761         if (   ((qrbuf->QRflags & QR_PRIVATE) == 0)
 762                 && ((qrbuf->QRflags & QR_MAILBOX) == 0)
 763             && ((qrbuf->QRfloor == (FloorBeingSearched))
 764                 || ((FloorBeingSearched) < 0)))
 765                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
 766 }
 767
 768 void cmd_lprm(char *argbuf)
 769 {
 770         int FloorBeingSearched = (-1);
 771         if (!IsEmptyStr(argbuf))
 772                 FloorBeingSearched = extract_int(argbuf, 0);
 773
 774         cprintf("%d Publiic rooms:\n", LISTING_FOLLOWS);
 775
 776         CtdlForEachRoom(cmd_lprm_backend, &FloorBeingSearched);
 777         cprintf("000\n");
 778 }
 779
 780
 781
 782 /*
 783  * cmd_lkrn()   -  List all known rooms with new messages
 784  */
 785 void cmd_lkrn_backend(struct ctdlroom *qrbuf, void *data)
 786 {
 787         int FloorBeingSearched = (-1);
 788         int ra;
 789         int view;
 790
 791         FloorBeingSearched = *(int *)data;
 792         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 793
 794         if ((ra & UA_KNOWN)
 795             && (ra & UA_HASNEWMSGS)
 796             && ((qrbuf->QRfloor == (FloorBeingSearched))
 797                 || ((FloorBeingSearched) < 0)))
 798                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
 799 }
 800
 801 void cmd_lkrn(char *argbuf)
 802 {
 803         int FloorBeingSearched = (-1);
 804         if (!IsEmptyStr(argbuf))
 805                 FloorBeingSearched = extract_int(argbuf, 0);
 806
 807         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 808
 809         if (CtdlGetUser(&CC->user, CC->curr_user)) {
 810                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 811                 return;
 812         }
 813         cprintf("%d Rooms w/ new msgs:\n", LISTING_FOLLOWS);
 814
 815         CtdlForEachRoom(cmd_lkrn_backend, &FloorBeingSearched);
 816         cprintf("000\n");
 817 }
 818
 819
 820
 821 /*
 822  * cmd_lkro()   -  List all known rooms
 823  */
 824 void cmd_lkro_backend(struct ctdlroom *qrbuf, void *data)
 825 {
 826         int FloorBeingSearched = (-1);
 827         int ra;
 828         int view;
 829
 830         FloorBeingSearched = *(int *)data;
 831         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 832
 833         if ((ra & UA_KNOWN)
 834             && ((ra & UA_HASNEWMSGS) == 0)
 835             && ((qrbuf->QRfloor == (FloorBeingSearched))
 836                 || ((FloorBeingSearched) < 0)))
 837                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
 838 }
 839
 840 void cmd_lkro(char *argbuf)
 841 {
 842         int FloorBeingSearched = (-1);
 843         if (!IsEmptyStr(argbuf))
 844                 FloorBeingSearched = extract_int(argbuf, 0);
 845
 846         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 847
 848         if (CtdlGetUser(&CC->user, CC->curr_user)) {
 849                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 850                 return;
 851         }
 852         cprintf("%d Rooms w/o new msgs:\n", LISTING_FOLLOWS);
 853
 854         CtdlForEachRoom(cmd_lkro_backend, &FloorBeingSearched);
 855         cprintf("000\n");
 856 }
 857
 858
 859
 860 /*
 861  * cmd_lzrm()   -  List all forgotten rooms
 862  */
 863 void cmd_lzrm_backend(struct ctdlroom *qrbuf, void *data)
 864 {
 865         int FloorBeingSearched = (-1);
 866         int ra;
 867         int view;
 868
 869         FloorBeingSearched = *(int *)data;
 870         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 871
 872         if ((ra & UA_GOTOALLOWED)
 873             && (ra & UA_ZAPPED)
 874             && ((qrbuf->QRfloor == (FloorBeingSearched))
 875                 || ((FloorBeingSearched) < 0)))
 876                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
 877 }
 878
 879 void cmd_lzrm(char *argbuf)
 880 {
 881         int FloorBeingSearched = (-1);
 882         if (!IsEmptyStr(argbuf))
 883                 FloorBeingSearched = extract_int(argbuf, 0);
 884
 885         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
 886
 887         if (CtdlGetUser(&CC->user, CC->curr_user)) {
 888                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 889                 return;
 890         }
 891         cprintf("%d Zapped rooms:\n", LISTING_FOLLOWS);
 892
 893         CtdlForEachRoom(cmd_lzrm_backend, &FloorBeingSearched);
 894         cprintf("000\n");
 895 }
 896
 897
 898 /*
 899  * Make the specified room the current room for this session.  No validation
 900  * or access control is done here -- the caller should make sure that the
 901  * specified room exists and is ok to access.
 902  */
 903 void CtdlUserGoto(char *where, int display_result, int transiently,
 904                 int *retmsgs, int *retnew)
 905 {
 906         int a;
 907         int new_messages = 0;
 908         int old_messages = 0;
 909         int total_messages = 0;
 910         int info = 0;
 911         int rmailflag;
 912         int raideflag;
 913         int newmailcount = 0;
 914         visit vbuf;
 915         char truncated_roomname[ROOMNAMELEN];
 916         struct cdbdata *cdbfr;
 917         long *msglist = NULL;
 918         int num_msgs = 0;
 919         unsigned int original_v_flags;
 920         int num_sets;
 921         int s;
 922         char setstr[128], lostr[64], histr[64];
 923         long lo, hi;
 924         int is_trash = 0;
 925
 926         /* If the supplied room name is NULL, the caller wants us to know that
 927          * it has already copied the room record into CC->room, so
 928          * we can skip the extra database fetch.
 929          */
 930         if (where != NULL) {
 931                 safestrncpy(CC->room.QRname, where, sizeof CC->room.QRname);
 932                 CtdlGetRoom(&CC->room, where);
 933         }
 934
 935         /* Take care of all the formalities. */
 936
 937         begin_critical_section(S_USERS);
 938         CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
 939         original_v_flags = vbuf.v_flags;
 940
 941         /* Know the room ... but not if it's the page log room, or if the
 942          * caller specified that we're only entering this room transiently.
 943          */
 944         if ((strcasecmp(CC->room.QRname, config.c_logpages))
 945            && (transiently == 0) ) {
 946                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
 947                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
 948         }
 949
 950         /* Only rewrite the database record if we changed something */
 951         if (vbuf.v_flags != original_v_flags) {
 952                 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
 953         }
 954         end_critical_section(S_USERS);
 955
 956         /* Check for new mail */
 957         newmailcount = NewMailCount();
 958
 959         /* set info to 1 if the user needs to read the room's info file */
 960         if (CC->room.QRinfo > vbuf.v_lastseen) {
 961                 info = 1;
 962         }
 963
 964         cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
 965         if (cdbfr != NULL) {
 966                 msglist = (long *) cdbfr->ptr;
 967                 cdbfr->ptr = NULL;      /* CtdlUserGoto() now owns this memory */
 968                 num_msgs = cdbfr->len / sizeof(long);
 969                 cdb_free(cdbfr);
 970         }
 971
 972         total_messages = 0;
 973         for (a=0; a<num_msgs; ++a) {
 974                 if (msglist[a] > 0L) ++total_messages;
 975         }
 976         new_messages = num_msgs;
 977         num_sets = num_tokens(vbuf.v_seen, ',');
 978         for (s=0; s<num_sets; ++s) {
 979                 extract_token(setstr, vbuf.v_seen, s, ',', sizeof setstr);
 980
 981                 extract_token(lostr, setstr, 0, ':', sizeof lostr);
 982                 if (num_tokens(setstr, ':') >= 2) {
 983                         extract_token(histr, setstr, 1, ':', sizeof histr);
 984                         if (!strcmp(histr, "*")) {
 985                                 snprintf(histr, sizeof histr, "%ld", LONG_MAX);
 986                         }
 987                 }
 988                 else {
 989                         strcpy(histr, lostr);
 990                 }
 991                 lo = atol(lostr);
 992                 hi = atol(histr);
 993
 994                 for (a=0; a<num_msgs; ++a) if (msglist[a] > 0L) {
 995                         if ((msglist[a] >= lo) && (msglist[a] <= hi)) {
 996                                 ++old_messages;
 997                                 msglist[a] = 0L;
 998                         }
 999                 }
1000         }
1001         new_messages = total_messages - old_messages;
1002
1003         if (msglist != NULL) free(msglist);
1004
1005         if (CC->room.QRflags & QR_MAILBOX)
1006                 rmailflag = 1;
1007         else
1008                 rmailflag = 0;
1009
1010         if ((CC->room.QRroomaide == CC->user.usernum)
1011             || (CC->user.axlevel >= AxAideU))
1012                 raideflag = 1;
1013         else
1014                 raideflag = 0;
1015
1016         safestrncpy(truncated_roomname, CC->room.QRname, sizeof truncated_roomname);
1017         if ( (CC->room.QRflags & QR_MAILBOX)
1018            && (atol(CC->room.QRname) == CC->user.usernum) ) {
1019                 safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
1020         }
1021
1022         if (!strcasecmp(truncated_roomname, USERTRASHROOM)) {
1023                 is_trash = 1;
1024         }
1025
1026         if (retmsgs != NULL) *retmsgs = total_messages;
1027         if (retnew != NULL) *retnew = new_messages;
1028         CtdlLogPrintf(CTDL_DEBUG, "<%s> %d new of %d total messages\n",
1029                 CC->room.QRname,
1030                 new_messages, total_messages
1031         );
1032
1033         CC->curr_view = (int)vbuf.v_view;
1034
1035         if (display_result) {
1036                 cprintf("%d%c%s|%d|%d|%d|%d|%ld|%ld|%d|%d|%d|%d|%d|%d|%d|%d|\n",
1037                         CIT_OK, CtdlCheckExpress(),
1038                         truncated_roomname,
1039                         (int)new_messages,
1040                         (int)total_messages,
1041                         (int)info,
1042                         (int)CC->room.QRflags,
1043                         (long)CC->room.QRhighest,
1044                         (long)vbuf.v_lastseen,
1045                         (int)rmailflag,
1046                         (int)raideflag,
1047                         (int)newmailcount,
1048                         (int)CC->room.QRfloor,
1049                         (int)vbuf.v_view,
1050                         (int)CC->room.QRdefaultview,
1051                         (int)is_trash,
1052                         (int)CC->room.QRflags2
1053                 );
1054         }
1055 }
1056
1057
1058 /*
1059  * Handle some of the macro named rooms
1060  */
1061 void convert_room_name_macros(char *towhere, size_t maxlen) {
1062         if (!strcasecmp(towhere, "_BASEROOM_")) {
1063                 safestrncpy(towhere, config.c_baseroom, maxlen);
1064         }
1065         else if (!strcasecmp(towhere, "_MAIL_")) {
1066                 safestrncpy(towhere, MAILROOM, maxlen);
1067         }
1068         else if (!strcasecmp(towhere, "_TRASH_")) {
1069                 safestrncpy(towhere, USERTRASHROOM, maxlen);
1070         }
1071         else if (!strcasecmp(towhere, "_DRAFTS_")) {
1072                 safestrncpy(towhere, USERDRAFTROOM, maxlen);
1073         }
1074         else if (!strcasecmp(towhere, "_BITBUCKET_")) {
1075                 safestrncpy(towhere, config.c_twitroom, maxlen);
1076         }
1077         else if (!strcasecmp(towhere, "_CALENDAR_")) {
1078                 safestrncpy(towhere, USERCALENDARROOM, maxlen);
1079         }
1080         else if (!strcasecmp(towhere, "_TASKS_")) {
1081                 safestrncpy(towhere, USERTASKSROOM, maxlen);
1082         }
1083         else if (!strcasecmp(towhere, "_CONTACTS_")) {
1084                 safestrncpy(towhere, USERCONTACTSROOM, maxlen);
1085         }
1086         else if (!strcasecmp(towhere, "_NOTES_")) {
1087                 safestrncpy(towhere, USERNOTESROOM, maxlen);
1088         }
1089 }
1090
1091
1092 /*
1093  * cmd_goto()  -  goto a new room
1094  */
1095 void cmd_goto(char *gargs)
1096 {
1097         struct ctdlroom QRscratch;
1098         int c;
1099         int ok = 0;
1100         int ra;
1101         char augmented_roomname[ROOMNAMELEN];
1102         char towhere[ROOMNAMELEN];
1103         char password[32];
1104         int transiently = 0;
1105
1106         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
1107
1108         extract_token(towhere, gargs, 0, '|', sizeof towhere);
1109         extract_token(password, gargs, 1, '|', sizeof password);
1110         transiently = extract_int(gargs, 2);
1111
1112         CtdlGetUser(&CC->user, CC->curr_user);
1113
1114         /*
1115          * Handle some of the macro named rooms
1116          */
1117         convert_room_name_macros(towhere, sizeof towhere);
1118
1119         /* First try a regular match */
1120         c = CtdlGetRoom(&QRscratch, towhere);
1121
1122         /* Then try a mailbox name match */
1123         if (c != 0) {
1124                 CtdlMailboxName(augmented_roomname, sizeof augmented_roomname,
1125                             &CC->user, towhere);
1126                 c = CtdlGetRoom(&QRscratch, augmented_roomname);
1127                 if (c == 0)
1128                         safestrncpy(towhere, augmented_roomname, sizeof towhere);
1129         }
1130
1131         /* And if the room was found... */
1132         if (c == 0) {
1133
1134                 /* Let internal programs go directly to any room. */
1135                 if (CC->internal_pgm) {
1136                         memcpy(&CC->room, &QRscratch,
1137                                 sizeof(struct ctdlroom));
1138                         CtdlUserGoto(NULL, 1, transiently, NULL, NULL);
1139                         return;
1140                 }
1141
1142                 /* See if there is an existing user/room relationship */
1143                 CtdlRoomAccess(&QRscratch, &CC->user, &ra, NULL);
1144
1145                 /* normal clients have to pass through security */
1146                 if (ra & UA_GOTOALLOWED) {
1147                         ok = 1;
1148                 }
1149
1150                 if (ok == 1) {
1151                         if ((QRscratch.QRflags & QR_MAILBOX) &&
1152                             ((ra & UA_GOTOALLOWED))) {
1153                                 memcpy(&CC->room, &QRscratch,
1154                                         sizeof(struct ctdlroom));
1155                                 CtdlUserGoto(NULL, 1, transiently, NULL, NULL);
1156                                 return;
1157                         } else if ((QRscratch.QRflags & QR_PASSWORDED) &&
1158                             ((ra & UA_KNOWN) == 0) &&
1159                             (strcasecmp(QRscratch.QRpasswd, password)) &&
1160                             (CC->user.axlevel < AxAideU)
1161                             ) {
1162                                 cprintf("%d wrong or missing passwd\n",
1163                                         ERROR + PASSWORD_REQUIRED);
1164                                 return;
1165                         } else if ((QRscratch.QRflags & QR_PRIVATE) &&
1166                                    ((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
1167                                    ((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
1168                                    ((ra & UA_KNOWN) == 0) &&
1169                                    (CC->user.axlevel < AxAideU)
1170                                   ) {
1171                                 CtdlLogPrintf(CTDL_DEBUG, "Failed to acquire private room\n");
1172                         } else {
1173                                 memcpy(&CC->room, &QRscratch,
1174                                         sizeof(struct ctdlroom));
1175                                 CtdlUserGoto(NULL, 1, transiently, NULL, NULL);
1176                                 return;
1177                         }
1178                 }
1179         }
1180
1181         cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
1182 }
1183
1184
1185 void cmd_whok(char *cmdbuf)
1186 {
1187         struct ctdluser temp;
1188         struct cdbdata *cdbus;
1189         int ra;
1190
1191         cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
1192         cdb_rewind(CDB_USERS);
1193         while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1194                 memset(&temp, 0, sizeof temp);
1195                 memcpy(&temp, cdbus->ptr, sizeof temp);
1196                 cdb_free(cdbus);
1197
1198                 CtdlRoomAccess(&CC->room, &temp, &ra, NULL);
1199                 if ((CC->room.QRflags & QR_INUSE)
1200                     && (ra & UA_KNOWN)
1201                     )
1202                         cprintf("%s\n", temp.fullname);
1203         }
1204         cprintf("000\n");
1205 }
1206
1207
1208 /*
1209  * RDIR command for room directory
1210  */
1211 void cmd_rdir(char *cmdbuf)
1212 {
1213         char buf[256];
1214         char comment[256];
1215         FILE *fd;
1216         struct stat statbuf;
1217         DIR *filedir = NULL;
1218         struct dirent *filedir_entry;
1219         int d_namelen;
1220         char buf2[SIZ];
1221         char mimebuf[64];
1222         long len;
1223
1224         if (CtdlAccessCheck(ac_logged_in)) return;
1225
1226         CtdlGetRoom(&CC->room, CC->room.QRname);
1227         CtdlGetUser(&CC->user, CC->curr_user);
1228
1229         if ((CC->room.QRflags & QR_DIRECTORY) == 0) {
1230                 cprintf("%d not here.\n", ERROR + NOT_HERE);
1231                 return;
1232         }
1233         if (((CC->room.QRflags & QR_VISDIR) == 0)
1234             && (CC->user.axlevel < AxAideU)
1235             && (CC->user.usernum != CC->room.QRroomaide)) {
1236                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
1237                 return;
1238         }
1239
1240         snprintf(buf, sizeof buf, "%s/%s", ctdl_file_dir, CC->room.QRdirname);
1241         filedir = opendir (buf);
1242
1243         if (filedir == NULL) {
1244                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
1245                 return;
1246         }
1247         cprintf("%d %s|%s/%s\n", LISTING_FOLLOWS, config.c_fqdn, ctdl_file_dir, CC->room.QRdirname);
1248
1249         snprintf(buf, sizeof buf, "%s/%s/filedir", ctdl_file_dir, CC->room.QRdirname);
1250         fd = fopen(buf, "r");
1251         if (fd == NULL)
1252                 fd = fopen("/dev/null", "r");
1253         while ((filedir_entry = readdir(filedir)))
1254         {
1255                 if (strcasecmp(filedir_entry->d_name, "filedir") && filedir_entry->d_name[0] != '.')
1256                 {
1257 #ifdef _DIRENT_HAVE_D_NAMELEN
1258                         d_namelen = filedir_entry->d_namelen;
1259 #else
1260                         d_namelen = strlen(filedir_entry->d_name);
1261 #endif
1262                         snprintf(buf, sizeof buf, "%s/%s/%s", ctdl_file_dir, CC->room.QRdirname, filedir_entry->d_name);
1263                         stat(buf, &statbuf);    /* stat the file */
1264                         if (!(statbuf.st_mode & S_IFREG))
1265                         {
1266                                 snprintf(buf2, sizeof buf2,
1267                                         "\"%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",
1268                                         buf, CC->room.QRname
1269                                 );
1270                                 CtdlAideMessage(buf2, "Unusable data found in room directory");
1271                                 continue;       /* not a useable file type so don't show it */
1272                         }
1273                         safestrncpy(comment, "", sizeof comment);
1274                         fseek(fd, 0L, 0);       /* rewind descriptions file */
1275                         /* Get the description from the descriptions file */
1276                         while ((fgets(buf, sizeof buf, fd) != NULL) && (IsEmptyStr(comment)))
1277                         {
1278                                 buf[strlen(buf) - 1] = 0;
1279                                 if ((!strncasecmp(buf, filedir_entry->d_name, d_namelen)) && (buf[d_namelen] == ' '))
1280                                         safestrncpy(comment, &buf[d_namelen + 1], sizeof comment);
1281                         }
1282                         len = extract_token (mimebuf, comment, 0,' ', 64);
1283                         if ((len <0) || strchr(mimebuf, '/') == NULL)
1284                         {
1285                                 snprintf (mimebuf, 64, "application/octetstream");
1286                                 len = 0;
1287                         }
1288                         cprintf("%s|%ld|%s|%s\n",
1289                                 filedir_entry->d_name,
1290                                 (long)statbuf.st_size,
1291                                 mimebuf,
1292                                 &comment[len]);
1293                 }
1294         }
1295         fclose(fd);
1296         closedir(filedir);
1297
1298         cprintf("000\n");
1299 }
1300
1301 /*
1302  * get room parameters (aide or room aide command)
1303  */
1304 void cmd_getr(char *cmdbuf)
1305 {
1306         if (CtdlAccessCheck(ac_room_aide)) return;
1307
1308         CtdlGetRoom(&CC->room, CC->room.QRname);
1309         cprintf("%d%c%s|%s|%s|%d|%d|%d|%d|%d|\n",
1310                 CIT_OK,
1311                 CtdlCheckExpress(),
1312
1313                 ((CC->room.QRflags & QR_MAILBOX) ?
1314                         &CC->room.QRname[11] : CC->room.QRname),
1315
1316                 ((CC->room.QRflags & QR_PASSWORDED) ?
1317                         CC->room.QRpasswd : ""),
1318
1319                 ((CC->room.QRflags & QR_DIRECTORY) ?
1320                         CC->room.QRdirname : ""),
1321
1322                 CC->room.QRflags,
1323                 (int) CC->room.QRfloor,
1324                 (int) CC->room.QRorder,
1325
1326                 CC->room.QRdefaultview,
1327                 CC->room.QRflags2
1328                 );
1329 }
1330
1331
1332 /*
1333  * Back end function to rename a room.
1334  * You can also specify which floor to move the room to, or specify -1 to
1335  * keep the room on the same floor it was on.
1336  *
1337  * If you are renaming a mailbox room, you must supply the namespace prefix
1338  * in *at least* the old name!
1339  */
1340 int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
1341         int old_floor = 0;
1342         struct ctdlroom qrbuf;
1343         struct ctdlroom qrtmp;
1344         int ret = 0;
1345         struct floor *fl;
1346         struct floor flbuf;
1347         long owner = 0L;
1348         char actual_old_name[ROOMNAMELEN];
1349
1350         CtdlLogPrintf(CTDL_DEBUG, "CtdlRenameRoom(%s, %s, %d)\n",
1351                 old_name, new_name, new_floor);
1352
1353         if (new_floor >= 0) {
1354                 fl = CtdlGetCachedFloor(new_floor);
1355                 if ((fl->f_flags & F_INUSE) == 0) {
1356                         return(crr_invalid_floor);
1357                 }
1358         }
1359
1360         begin_critical_section(S_ROOMS);
1361
1362         if ( (CtdlGetRoom(&qrtmp, new_name) == 0)
1363            && (strcasecmp(new_name, old_name)) ) {
1364                 ret = crr_already_exists;
1365         }
1366
1367         else if (CtdlGetRoom(&qrbuf, old_name) != 0) {
1368                 ret = crr_room_not_found;
1369         }
1370
1371         else if ( (CC->user.axlevel < AxAideU) && (!CC->internal_pgm)
1372                   && (CC->user.usernum != qrbuf.QRroomaide)
1373                   && ( (((qrbuf.QRflags & QR_MAILBOX) == 0) || (atol(qrbuf.QRname) != CC->user.usernum))) )  {
1374                 ret = crr_access_denied;
1375         }
1376
1377         else if (CtdlIsNonEditable(&qrbuf)) {
1378                 ret = crr_noneditable;
1379         }
1380
1381         else {
1382                 /* Rename it */
1383                 safestrncpy(actual_old_name, qrbuf.QRname, sizeof actual_old_name);
1384                 if (qrbuf.QRflags & QR_MAILBOX) {
1385                         owner = atol(qrbuf.QRname);
1386                 }
1387                 if ( (owner > 0L) && (atol(new_name) == 0L) ) {
1388                         snprintf(qrbuf.QRname, sizeof(qrbuf.QRname),
1389                                         "%010ld.%s", owner, new_name);
1390                 }
1391                 else {
1392                         safestrncpy(qrbuf.QRname, new_name,
1393                                                 sizeof(qrbuf.QRname));
1394                 }
1395
1396                 /* Reject change of floor for baseroom/aideroom */
1397                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN) ||
1398                     !strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1399                         new_floor = 0;
1400                 }
1401
1402                 /* Take care of floor stuff */
1403                 old_floor = qrbuf.QRfloor;
1404                 if (new_floor < 0) {
1405                         new_floor = old_floor;
1406                 }
1407                 qrbuf.QRfloor = new_floor;
1408                 CtdlPutRoom(&qrbuf);
1409
1410                 begin_critical_section(S_CONFIG);
1411
1412                 /* If baseroom/aideroom name changes, update config */
1413                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN)) {
1414                         safestrncpy(config.c_baseroom, new_name, ROOMNAMELEN);
1415                         put_config();
1416                 }
1417                 if (!strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1418                         safestrncpy(config.c_aideroom, new_name, ROOMNAMELEN);
1419                         put_config();
1420                 }
1421
1422                 end_critical_section(S_CONFIG);
1423
1424                 /* If the room name changed, then there are now two room
1425                  * records, so we have to delete the old one.
1426                  */
1427                 if (strcasecmp(new_name, old_name)) {
1428                         b_deleteroom(actual_old_name);
1429                 }
1430
1431                 ret = crr_ok;
1432         }
1433
1434         end_critical_section(S_ROOMS);
1435
1436         /* Adjust the floor reference counts if necessary */
1437         if (new_floor != old_floor) {
1438                 lgetfloor(&flbuf, old_floor);
1439                 --flbuf.f_ref_count;
1440                 lputfloor(&flbuf, old_floor);
1441                 CtdlLogPrintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", old_floor, flbuf.f_ref_count);
1442                 lgetfloor(&flbuf, new_floor);
1443                 ++flbuf.f_ref_count;
1444                 lputfloor(&flbuf, new_floor);
1445                 CtdlLogPrintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", new_floor, flbuf.f_ref_count);
1446         }
1447
1448         /* ...and everybody say "YATTA!" */
1449         return(ret);
1450 }
1451
1452
1453 /*
1454  * set room parameters (aide or room aide command)
1455  */
1456 void cmd_setr(char *args)
1457 {
1458         char buf[256];
1459         int new_order = 0;
1460         int r;
1461         int new_floor;
1462         char new_name[ROOMNAMELEN];
1463
1464         if (CtdlAccessCheck(ac_logged_in)) return;
1465
1466         if (num_parms(args) >= 6) {
1467                 new_floor = extract_int(args, 5);
1468         } else {
1469                 new_floor = (-1);       /* don't change the floor */
1470         }
1471
1472         /* When is a new name more than just a new name?  When the old name
1473          * has a namespace prefix.
1474          */
1475         if (CC->room.QRflags & QR_MAILBOX) {
1476                 sprintf(new_name, "%010ld.", atol(CC->room.QRname) );
1477         } else {
1478                 safestrncpy(new_name, "", sizeof new_name);
1479         }
1480         extract_token(&new_name[strlen(new_name)], args, 0, '|', (sizeof new_name - strlen(new_name)));
1481
1482         r = CtdlRenameRoom(CC->room.QRname, new_name, new_floor);
1483
1484         if (r == crr_room_not_found) {
1485                 cprintf("%d Internal error - room not found?\n", ERROR + INTERNAL_ERROR);
1486         } else if (r == crr_already_exists) {
1487                 cprintf("%d '%s' already exists.\n",
1488                         ERROR + ALREADY_EXISTS, new_name);
1489         } else if (r == crr_noneditable) {
1490                 cprintf("%d Cannot edit this room.\n", ERROR + NOT_HERE);
1491         } else if (r == crr_invalid_floor) {
1492                 cprintf("%d Target floor does not exist.\n",
1493                         ERROR + INVALID_FLOOR_OPERATION);
1494         } else if (r == crr_access_denied) {
1495                 cprintf("%d You do not have permission to edit '%s'\n",
1496                         ERROR + HIGHER_ACCESS_REQUIRED,
1497                         CC->room.QRname);
1498         } else if (r != crr_ok) {
1499                 cprintf("%d Error: CtdlRenameRoom() returned %d\n",
1500                         ERROR + INTERNAL_ERROR, r);
1501         }
1502
1503         if (r != crr_ok) {
1504                 return;
1505         }
1506
1507         CtdlGetRoom(&CC->room, new_name);
1508
1509         /* Now we have to do a bunch of other stuff */
1510
1511         if (num_parms(args) >= 7) {
1512                 new_order = extract_int(args, 6);
1513                 if (new_order < 1)
1514                         new_order = 1;
1515                 if (new_order > 127)
1516                         new_order = 127;
1517         }
1518
1519         CtdlGetRoomLock(&CC->room, CC->room.QRname);
1520
1521         /* Directory room */
1522         extract_token(buf, args, 2, '|', sizeof buf);
1523         buf[15] = 0;
1524         safestrncpy(CC->room.QRdirname, buf,
1525                 sizeof CC->room.QRdirname);
1526
1527         /* Default view */
1528         if (num_parms(args) >= 8) {
1529                 CC->room.QRdefaultview = extract_int(args, 7);
1530         }
1531
1532         /* Second set of flags */
1533         if (num_parms(args) >= 9) {
1534                 CC->room.QRflags2 = extract_int(args, 8);
1535         }
1536
1537         /* Misc. flags */
1538         CC->room.QRflags = (extract_int(args, 3) | QR_INUSE);
1539         /* Clean up a client boo-boo: if the client set the room to
1540          * guess-name or passworded, ensure that the private flag is
1541          * also set.
1542          */
1543         if ((CC->room.QRflags & QR_GUESSNAME)
1544             || (CC->room.QRflags & QR_PASSWORDED))
1545                 CC->room.QRflags |= QR_PRIVATE;
1546
1547         /* Some changes can't apply to BASEROOM */
1548         if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1549                          ROOMNAMELEN)) {
1550                 CC->room.QRorder = 0;
1551                 CC->room.QRpasswd[0] = '\0';
1552                 CC->room.QRflags &= ~(QR_PRIVATE & QR_PASSWORDED &
1553                         QR_GUESSNAME & QR_PREFONLY & QR_MAILBOX);
1554                 CC->room.QRflags |= QR_PERMANENT;
1555         } else {
1556                 /* March order (doesn't apply to AIDEROOM) */
1557                 if (num_parms(args) >= 7)
1558                         CC->room.QRorder = (char) new_order;
1559                 /* Room password */
1560                 extract_token(buf, args, 1, '|', sizeof buf);
1561                 buf[10] = 0;
1562                 safestrncpy(CC->room.QRpasswd, buf,
1563                             sizeof CC->room.QRpasswd);
1564                 /* Kick everyone out if the client requested it
1565                  * (by changing the room's generation number)
1566                  */
1567                 if (extract_int(args, 4)) {
1568                         time(&CC->room.QRgen);
1569                 }
1570         }
1571         /* Some changes can't apply to AIDEROOM */
1572         if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1573                          ROOMNAMELEN)) {
1574                 CC->room.QRorder = 0;
1575                 CC->room.QRflags &= ~QR_MAILBOX;
1576                 CC->room.QRflags |= QR_PERMANENT;
1577         }
1578
1579         /* Write the room record back to disk */
1580         CtdlPutRoomLock(&CC->room);
1581
1582         /* Create a room directory if necessary */
1583         if (CC->room.QRflags & QR_DIRECTORY) {
1584                 snprintf(buf, sizeof buf,"%s/%s",
1585                                  ctdl_file_dir,
1586                                  CC->room.QRdirname);
1587                 mkdir(buf, 0755);
1588         }
1589         snprintf(buf, sizeof buf, "The room \"%s\" has been edited by %s.\n",
1590                 CC->room.QRname, CC->curr_user);
1591         CtdlAideMessage(buf, "Room modification Message");
1592         cprintf("%d Ok\n", CIT_OK);
1593 }
1594
1595
1596
1597 /*
1598  * get the name of the room aide for this room
1599  */
1600 void cmd_geta(char *cmdbuf)
1601 {
1602         struct ctdluser usbuf;
1603
1604         if (CtdlAccessCheck(ac_logged_in)) return;
1605
1606         if (CtdlGetUserByNumber(&usbuf, CC->room.QRroomaide) == 0) {
1607                 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
1608         } else {
1609                 cprintf("%d \n", CIT_OK);
1610         }
1611 }
1612
1613
1614 /*
1615  * set the room aide for this room
1616  */
1617 void cmd_seta(char *new_ra)
1618 {
1619         struct ctdluser usbuf;
1620         long newu;
1621         char buf[SIZ];
1622         int post_notice;
1623
1624         if (CtdlAccessCheck(ac_room_aide)) return;
1625
1626         if (CtdlGetUser(&usbuf, new_ra) != 0) {
1627                 newu = (-1L);
1628         } else {
1629                 newu = usbuf.usernum;
1630         }
1631
1632         CtdlGetRoomLock(&CC->room, CC->room.QRname);
1633         post_notice = 0;
1634         if (CC->room.QRroomaide != newu) {
1635                 post_notice = 1;
1636         }
1637         CC->room.QRroomaide = newu;
1638         CtdlPutRoomLock(&CC->room);
1639
1640         /*
1641          * We have to post the change notice _after_ writing changes to
1642          * the room table, otherwise it would deadlock!
1643          */
1644         if (post_notice == 1) {
1645                 if (!IsEmptyStr(usbuf.fullname))
1646                         snprintf(buf, sizeof buf,
1647                                 "%s is now the room aide for \"%s\".\n",
1648                                 usbuf.fullname, CC->room.QRname);
1649                 else
1650                         snprintf(buf, sizeof buf,
1651                                 "There is now no room aide for \"%s\".\n",
1652                                 CC->room.QRname);
1653                 CtdlAideMessage(buf, "Aide Room Modification");
1654         }
1655         cprintf("%d Ok\n", CIT_OK);
1656 }
1657
1658 /*
1659  * retrieve info file for this room
1660  */
1661 void cmd_rinf(char *gargs)
1662 {
1663         char filename[128];
1664         char buf[SIZ];
1665         FILE *info_fp;
1666
1667         assoc_file_name(filename, sizeof filename, &CC->room, ctdl_info_dir);
1668         info_fp = fopen(filename, "r");
1669
1670         if (info_fp == NULL) {
1671                 cprintf("%d No info file.\n", ERROR + FILE_NOT_FOUND);
1672                 return;
1673         }
1674         cprintf("%d Info:\n", LISTING_FOLLOWS);
1675         while (fgets(buf, sizeof buf, info_fp) != NULL) {
1676                 if (!IsEmptyStr(buf))
1677                         buf[strlen(buf) - 1] = 0;
1678                 cprintf("%s\n", buf);
1679         }
1680         cprintf("000\n");
1681         fclose(info_fp);
1682 }
1683
1684 /*
1685  * Asynchronously schedule a room for deletion.  The room will appear
1686  * deleted to the user(s), but it won't actually get purged from the
1687  * database until THE DREADED AUTO-PURGER makes its next run.
1688  */
1689 void CtdlScheduleRoomForDeletion(struct ctdlroom *qrbuf)
1690 {
1691         char old_name[ROOMNAMELEN];
1692         static int seq = 0;
1693
1694         CtdlLogPrintf(CTDL_NOTICE, "Scheduling room <%s> for deletion\n",
1695                 qrbuf->QRname);
1696
1697         safestrncpy(old_name, qrbuf->QRname, sizeof old_name);
1698
1699         CtdlGetRoom(qrbuf, qrbuf->QRname);
1700
1701         /* Turn the room into a private mailbox owned by a user who doesn't
1702          * exist.  This will immediately make the room invisible to everyone,
1703          * and qualify the room for purging.
1704          */
1705         snprintf(qrbuf->QRname, sizeof qrbuf->QRname, "9999999999.%08lx.%04d.%s",
1706                 time(NULL),
1707                 ++seq,
1708                 old_name
1709         );
1710         qrbuf->QRflags |= QR_MAILBOX;
1711         time(&qrbuf->QRgen);    /* Use a timestamp as the new generation number  */
1712
1713         CtdlPutRoom(qrbuf);
1714
1715         b_deleteroom(old_name);
1716 }
1717
1718
1719
1720 /*
1721  * Back end processing to delete a room and everything associated with it
1722  * (This one is synchronous and should only get called by THE DREADED
1723  * AUTO-PURGER in serv_expire.c.  All user-facing code should call
1724  * the asynchronous schedule_room_for_deletion() instead.)
1725  */
1726 void CtdlDeleteRoom(struct ctdlroom *qrbuf)
1727 {
1728         struct floor flbuf;
1729         char filename[100];
1730         /* TODO: filename magic? does this realy work? */
1731
1732         CtdlLogPrintf(CTDL_NOTICE, "Deleting room <%s>\n", qrbuf->QRname);
1733
1734         /* Delete the info file */
1735         assoc_file_name(filename, sizeof filename, qrbuf, ctdl_info_dir);
1736         unlink(filename);
1737
1738         /* Delete the image file */
1739         assoc_file_name(filename, sizeof filename, qrbuf, ctdl_image_dir);
1740         unlink(filename);
1741
1742         /* Delete the room's network config file */
1743         assoc_file_name(filename, sizeof filename, qrbuf, ctdl_netcfg_dir);
1744         unlink(filename);
1745
1746         /* Delete the messages in the room
1747          * (Careful: this opens an S_ROOMS critical section!)
1748          */
1749         CtdlDeleteMessages(qrbuf->QRname, NULL, 0, "");
1750
1751         /* Flag the room record as not in use */
1752         CtdlGetRoomLock(qrbuf, qrbuf->QRname);
1753         qrbuf->QRflags = 0;
1754         CtdlPutRoomLock(qrbuf);
1755
1756         /* then decrement the reference count for the floor */
1757         lgetfloor(&flbuf, (int) (qrbuf->QRfloor));
1758         flbuf.f_ref_count = flbuf.f_ref_count - 1;
1759         lputfloor(&flbuf, (int) (qrbuf->QRfloor));
1760
1761         /* Delete the room record from the database! */
1762         b_deleteroom(qrbuf->QRname);
1763 }
1764
1765
1766
1767 /*
1768  * Check access control for deleting a room
1769  */
1770 int CtdlDoIHavePermissionToDeleteThisRoom(struct ctdlroom *qr) {
1771
1772         if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1773                 return(0);
1774         }
1775
1776         if (CtdlIsNonEditable(qr)) {
1777                 return(0);
1778         }
1779
1780         /*
1781          * For mailboxes, check stuff
1782          */
1783         if (qr->QRflags & QR_MAILBOX) {
1784
1785                 if (strlen(qr->QRname) < 12) return(0); /* bad name */
1786
1787                 if (atol(qr->QRname) != CC->user.usernum) {
1788                         return(0);      /* not my room */
1789                 }
1790
1791                 /* Can't delete your Mail> room */
1792                 if (!strcasecmp(&qr->QRname[11], MAILROOM)) return(0);
1793
1794                 /* Otherwise it's ok */
1795                 return(1);
1796         }
1797
1798         /*
1799          * For normal rooms, just check for aide or room aide status.
1800          */
1801         return(is_room_aide());
1802 }
1803
1804 /*
1805  * aide command: kill the current room
1806  */
1807 void cmd_kill(char *argbuf)
1808 {
1809         char deleted_room_name[ROOMNAMELEN];
1810         char msg[SIZ];
1811         int kill_ok;
1812
1813         kill_ok = extract_int(argbuf, 0);
1814
1815         if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->room) == 0) {
1816                 cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
1817                 return;
1818         }
1819         if (kill_ok) {
1820                 if (CC->room.QRflags & QR_MAILBOX) {
1821                         safestrncpy(deleted_room_name, &CC->room.QRname[11], sizeof deleted_room_name);
1822                 }
1823                 else {
1824                         safestrncpy(deleted_room_name, CC->room.QRname, sizeof deleted_room_name);
1825                 }
1826
1827                 /* Do the dirty work */
1828                 CtdlScheduleRoomForDeletion(&CC->room);
1829
1830                 /* Return to the Lobby */
1831                 CtdlUserGoto(config.c_baseroom, 0, 0, NULL, NULL);
1832
1833                 /* tell the world what we did */
1834                 snprintf(msg, sizeof msg, "The room \"%s\" has been deleted by %s.\n",
1835                          deleted_room_name, CC->curr_user);
1836                 CtdlAideMessage(msg, "Room Purger Message");
1837                 cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
1838         } else {
1839                 cprintf("%d ok to delete.\n", CIT_OK);
1840         }
1841 }
1842
1843
1844 /*
1845  * Internal code to create a new room (returns room flags)
1846  *
1847  * Room types:  0=public, 1=hidden, 2=passworded, 3=invitation-only,
1848  *              4=mailbox, 5=mailbox, but caller supplies namespace
1849  */
1850 unsigned CtdlCreateRoom(char *new_room_name,
1851                      int new_room_type,
1852                      char *new_room_pass,
1853                      int new_room_floor,
1854                      int really_create,
1855                      int avoid_access,
1856                      int new_room_view)
1857 {
1858
1859         struct ctdlroom qrbuf;
1860         struct floor flbuf;
1861         visit vbuf;
1862
1863         CtdlLogPrintf(CTDL_DEBUG, "CtdlCreateRoom(name=%s, type=%d, view=%d)\n",
1864                 new_room_name, new_room_type, new_room_view);
1865
1866         if (CtdlGetRoom(&qrbuf, new_room_name) == 0) {
1867                 CtdlLogPrintf(CTDL_DEBUG, "%s already exists.\n", new_room_name);
1868                 return(0);
1869         }
1870
1871         memset(&qrbuf, 0, sizeof(struct ctdlroom));
1872         safestrncpy(qrbuf.QRpasswd, new_room_pass, sizeof qrbuf.QRpasswd);
1873         qrbuf.QRflags = QR_INUSE;
1874         if (new_room_type > 0)
1875                 qrbuf.QRflags = (qrbuf.QRflags | QR_PRIVATE);
1876         if (new_room_type == 1)
1877                 qrbuf.QRflags = (qrbuf.QRflags | QR_GUESSNAME);
1878         if (new_room_type == 2)
1879                 qrbuf.QRflags = (qrbuf.QRflags | QR_PASSWORDED);
1880         if ( (new_room_type == 4) || (new_room_type == 5) ) {
1881                 qrbuf.QRflags = (qrbuf.QRflags | QR_MAILBOX);
1882                 /* qrbuf.QRflags2 |= QR2_SUBJECTREQ; */
1883         }
1884
1885         /* If the user is requesting a personal room, set up the room
1886          * name accordingly (prepend the user number)
1887          */
1888         if (new_room_type == 4) {
1889                 CtdlMailboxName(qrbuf.QRname, sizeof qrbuf.QRname, &CC->user, new_room_name);
1890         }
1891         else {
1892                 safestrncpy(qrbuf.QRname, new_room_name, sizeof qrbuf.QRname);
1893         }
1894
1895         /* If the room is private, and the system administrator has elected
1896          * to automatically grant room aide privileges, do so now; otherwise,
1897          * set the room aide to undefined.
1898          */
1899         if ((qrbuf.QRflags & QR_PRIVATE) && (CREATAIDE == 1)) {
1900                 qrbuf.QRroomaide = CC->user.usernum;
1901         } else {
1902                 qrbuf.QRroomaide = (-1L);
1903         }
1904
1905         /*
1906          * If the caller is only interested in testing whether this will work,
1907          * return now without creating the room.
1908          */
1909         if (!really_create) return (qrbuf.QRflags);
1910
1911         qrbuf.QRnumber = get_new_room_number();
1912         qrbuf.QRhighest = 0L;   /* No messages in this room yet */
1913         time(&qrbuf.QRgen);     /* Use a timestamp as the generation number */
1914         qrbuf.QRfloor = new_room_floor;
1915         qrbuf.QRdefaultview = new_room_view;
1916
1917         /* save what we just did... */
1918         CtdlPutRoom(&qrbuf);
1919
1920         /* bump the reference count on whatever floor the room is on */
1921         lgetfloor(&flbuf, (int) qrbuf.QRfloor);
1922         flbuf.f_ref_count = flbuf.f_ref_count + 1;
1923         lputfloor(&flbuf, (int) qrbuf.QRfloor);
1924
1925         /* Grant the creator access to the room unless the avoid_access
1926          * parameter was specified.
1927          */
1928         if ( (CC->logged_in) && (avoid_access == 0) ) {
1929                 CtdlGetRelationship(&vbuf, &CC->user, &qrbuf);
1930                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1931                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1932                 CtdlSetRelationship(&vbuf, &CC->user, &qrbuf);
1933         }
1934
1935         /* resume our happy day */
1936         return (qrbuf.QRflags);
1937 }
1938
1939
1940 /*
1941  * create a new room
1942  */
1943 void cmd_cre8(char *args)
1944 {
1945         int cre8_ok;
1946         char new_room_name[ROOMNAMELEN];
1947         int new_room_type;
1948         char new_room_pass[32];
1949         int new_room_floor;
1950         int new_room_view;
1951         char *notification_message = NULL;
1952         unsigned newflags;
1953         struct floor *fl;
1954         int avoid_access = 0;
1955
1956         cre8_ok = extract_int(args, 0);
1957         extract_token(new_room_name, args, 1, '|', sizeof new_room_name);
1958         new_room_name[ROOMNAMELEN - 1] = 0;
1959         new_room_type = extract_int(args, 2);
1960         extract_token(new_room_pass, args, 3, '|', sizeof new_room_pass);
1961         avoid_access = extract_int(args, 5);
1962         new_room_view = extract_int(args, 6);
1963         new_room_pass[9] = 0;
1964         new_room_floor = 0;
1965
1966         if ((IsEmptyStr(new_room_name)) && (cre8_ok == 1)) {
1967                 cprintf("%d Invalid room name.\n", ERROR + ILLEGAL_VALUE);
1968                 return;
1969         }
1970
1971         if (!strcasecmp(new_room_name, MAILROOM)) {
1972                 cprintf("%d '%s' already exists.\n",
1973                         ERROR + ALREADY_EXISTS, new_room_name);
1974                 return;
1975         }
1976
1977         if (num_parms(args) >= 5) {
1978                 fl = CtdlGetCachedFloor(extract_int(args, 4));
1979                 if (fl == NULL) {
1980                         cprintf("%d Invalid floor number.\n",
1981                                 ERROR + INVALID_FLOOR_OPERATION);
1982                         return;
1983                 }
1984                 else if ((fl->f_flags & F_INUSE) == 0) {
1985                         cprintf("%d Invalid floor number.\n",
1986                                 ERROR + INVALID_FLOOR_OPERATION);
1987                         return;
1988                 } else {
1989                         new_room_floor = extract_int(args, 4);
1990                 }
1991         }
1992
1993         if (CtdlAccessCheck(ac_logged_in)) return;
1994
1995         if (CC->user.axlevel < config.c_createax && !CC->internal_pgm) {
1996                 cprintf("%d You need higher access to create rooms.\n",
1997                         ERROR + HIGHER_ACCESS_REQUIRED);
1998                 return;
1999         }
2000
2001         if ((IsEmptyStr(new_room_name)) && (cre8_ok == 0)) {
2002                 cprintf("%d Ok to create rooms.\n", CIT_OK);
2003                 return;
2004         }
2005
2006         if ((new_room_type < 0) || (new_room_type > 5)) {
2007                 cprintf("%d Invalid room type.\n", ERROR + ILLEGAL_VALUE);
2008                 return;
2009         }
2010
2011         if (new_room_type == 5) {
2012                 if (CC->user.axlevel < AxAideU) {
2013                         cprintf("%d Higher access required\n",
2014                                 ERROR + HIGHER_ACCESS_REQUIRED);
2015                         return;
2016                 }
2017         }
2018
2019         /* Check to make sure the requested room name doesn't already exist */
2020         newflags = CtdlCreateRoom(new_room_name,
2021                                 new_room_type, new_room_pass, new_room_floor,
2022                                 0, avoid_access, new_room_view);
2023         if (newflags == 0) {
2024                 cprintf("%d '%s' already exists.\n",
2025                         ERROR + ALREADY_EXISTS, new_room_name);
2026                 return;
2027         }
2028
2029         if (cre8_ok == 0) {
2030                 cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
2031                 return;
2032         }
2033
2034         /* If we reach this point, the room needs to be created. */
2035
2036         newflags = CtdlCreateRoom(new_room_name,
2037                            new_room_type, new_room_pass, new_room_floor, 1, 0,
2038                            new_room_view);
2039
2040         /* post a message in Aide> describing the new room */
2041         notification_message = malloc(1024);
2042         snprintf(notification_message, 1024,
2043                 "A new room called \"%s\" has been created by %s%s%s%s%s%s\n",
2044                 new_room_name,
2045                 CC->user.fullname,
2046                 ((newflags & QR_MAILBOX) ? " [personal]" : ""),
2047                 ((newflags & QR_PRIVATE) ? " [private]" : ""),
2048                 ((newflags & QR_GUESSNAME) ? " [hidden]" : ""),
2049                 ((newflags & QR_PASSWORDED) ? " Password: " : ""),
2050                 ((newflags & QR_PASSWORDED) ? new_room_pass : "")
2051         );
2052         CtdlAideMessage(notification_message, "Room Creation Message");
2053         free(notification_message);
2054
2055         cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
2056 }
2057
2058
2059
2060 void cmd_einf(char *ok)
2061 {                               /* enter info file for current room */
2062         FILE *fp;
2063         char infofilename[SIZ];
2064         char buf[SIZ];
2065
2066         unbuffer_output();
2067
2068         if (CtdlAccessCheck(ac_room_aide)) return;
2069
2070         if (atoi(ok) == 0) {
2071                 cprintf("%d Ok.\n", CIT_OK);
2072                 return;
2073         }
2074         assoc_file_name(infofilename, sizeof infofilename, &CC->room, ctdl_info_dir);
2075         CtdlLogPrintf(CTDL_DEBUG, "opening\n");
2076         fp = fopen(infofilename, "w");
2077         CtdlLogPrintf(CTDL_DEBUG, "checking\n");
2078         if (fp == NULL) {
2079                 cprintf("%d Cannot open %s: %s\n",
2080                   ERROR + INTERNAL_ERROR, infofilename, strerror(errno));
2081                 return;
2082         }
2083         cprintf("%d Send info...\n", SEND_LISTING);
2084
2085         do {
2086                 client_getln(buf, sizeof buf);
2087                 if (strcmp(buf, "000"))
2088                         fprintf(fp, "%s\n", buf);
2089         } while (strcmp(buf, "000"));
2090         fclose(fp);
2091
2092         /* now update the room index so people will see our new info */
2093         CtdlGetRoomLock(&CC->room, CC->room.QRname);            /* lock so no one steps on us */
2094         CC->room.QRinfo = CC->room.QRhighest + 1L;
2095         CtdlPutRoomLock(&CC->room);
2096 }
2097
2098
2099 /*
2100  * cmd_lflr()   -  List all known floors
2101  */
2102 void cmd_lflr(char *gargs)
2103 {
2104         int a;
2105         struct floor flbuf;
2106
2107         if (CtdlAccessCheck(ac_logged_in)) return;
2108
2109         cprintf("%d Known floors:\n", LISTING_FOLLOWS);
2110
2111         for (a = 0; a < MAXFLOORS; ++a) {
2112                 CtdlGetFloor(&flbuf, a);
2113                 if (flbuf.f_flags & F_INUSE) {
2114                         cprintf("%d|%s|%d\n",
2115                                 a,
2116                                 flbuf.f_name,
2117                                 flbuf.f_ref_count);
2118                 }
2119         }
2120         cprintf("000\n");
2121 }
2122
2123
2124
2125 /*
2126  * create a new floor
2127  */
2128 void cmd_cflr(char *argbuf)
2129 {
2130         char new_floor_name[256];
2131         struct floor flbuf;
2132         int cflr_ok;
2133         int free_slot = (-1);
2134         int a;
2135
2136         extract_token(new_floor_name, argbuf, 0, '|', sizeof new_floor_name);
2137         cflr_ok = extract_int(argbuf, 1);
2138
2139         if (CtdlAccessCheck(ac_aide)) return;
2140
2141         if (IsEmptyStr(new_floor_name)) {
2142                 cprintf("%d Blank floor name not allowed.\n",
2143                         ERROR + ILLEGAL_VALUE);
2144                 return;
2145         }
2146
2147         for (a = 0; a < MAXFLOORS; ++a) {
2148                 CtdlGetFloor(&flbuf, a);
2149
2150                 /* note any free slots while we're scanning... */
2151                 if (((flbuf.f_flags & F_INUSE) == 0)
2152                     && (free_slot < 0))
2153                         free_slot = a;
2154
2155                 /* check to see if it already exists */
2156                 if ((!strcasecmp(flbuf.f_name, new_floor_name))
2157                     && (flbuf.f_flags & F_INUSE)) {
2158                         cprintf("%d Floor '%s' already exists.\n",
2159                                 ERROR + ALREADY_EXISTS,
2160                                 flbuf.f_name);
2161                         return;
2162                 }
2163         }
2164
2165         if (free_slot < 0) {
2166                 cprintf("%d There is no space available for a new floor.\n",
2167                         ERROR + INVALID_FLOOR_OPERATION);
2168                 return;
2169         }
2170         if (cflr_ok == 0) {
2171                 cprintf("%d ok to create...\n", CIT_OK);
2172                 return;
2173         }
2174         lgetfloor(&flbuf, free_slot);
2175         flbuf.f_flags = F_INUSE;
2176         flbuf.f_ref_count = 0;
2177         safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
2178         lputfloor(&flbuf, free_slot);
2179         cprintf("%d %d\n", CIT_OK, free_slot);
2180 }
2181
2182
2183
2184 /*
2185  * delete a floor
2186  */
2187 void cmd_kflr(char *argbuf)
2188 {
2189         struct floor flbuf;
2190         int floor_to_delete;
2191         int kflr_ok;
2192         int delete_ok;
2193
2194         floor_to_delete = extract_int(argbuf, 0);
2195         kflr_ok = extract_int(argbuf, 1);
2196
2197         if (CtdlAccessCheck(ac_aide)) return;
2198
2199         lgetfloor(&flbuf, floor_to_delete);
2200
2201         delete_ok = 1;
2202         if ((flbuf.f_flags & F_INUSE) == 0) {
2203                 cprintf("%d Floor %d not in use.\n",
2204                         ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
2205                 delete_ok = 0;
2206         } else {
2207                 if (flbuf.f_ref_count != 0) {
2208                         cprintf("%d Cannot delete; floor contains %d rooms.\n",
2209                                 ERROR + INVALID_FLOOR_OPERATION,
2210                                 flbuf.f_ref_count);
2211                         delete_ok = 0;
2212                 } else {
2213                         if (kflr_ok == 1) {
2214                                 cprintf("%d Ok\n", CIT_OK);
2215                         } else {
2216                                 cprintf("%d Ok to delete...\n", CIT_OK);
2217                         }
2218
2219                 }
2220
2221         }
2222
2223         if ((delete_ok == 1) && (kflr_ok == 1))
2224                 flbuf.f_flags = 0;
2225         lputfloor(&flbuf, floor_to_delete);
2226 }
2227
2228 /*
2229  * edit a floor
2230  */
2231 void cmd_eflr(char *argbuf)
2232 {
2233         struct floor flbuf;
2234         int floor_num;
2235         int np;
2236
2237         np = num_parms(argbuf);
2238         if (np < 1) {
2239                 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
2240                 return;
2241         }
2242
2243         if (CtdlAccessCheck(ac_aide)) return;
2244
2245         floor_num = extract_int(argbuf, 0);
2246         lgetfloor(&flbuf, floor_num);
2247         if ((flbuf.f_flags & F_INUSE) == 0) {
2248                 lputfloor(&flbuf, floor_num);
2249                 cprintf("%d Floor %d is not in use.\n",
2250                         ERROR + INVALID_FLOOR_OPERATION, floor_num);
2251                 return;
2252         }
2253         if (np >= 2)
2254                 extract_token(flbuf.f_name, argbuf, 1, '|', sizeof flbuf.f_name);
2255         lputfloor(&flbuf, floor_num);
2256
2257         cprintf("%d Ok\n", CIT_OK);
2258 }
2259
2260
2261 /*****************************************************************************/
2262 /*                      MODULE INITIALIZATION STUFF                          */
2263 /*****************************************************************************/
2264
2265 CTDL_MODULE_INIT(room_ops)
2266 {
2267         if (!threading) {
2268                 CtdlRegisterProtoHook(cmd_lrms, "LRMS", "Autoconverted. TODO: document me.");
2269                 CtdlRegisterProtoHook(cmd_lkra, "LKRA", "Autoconverted. TODO: document me.");
2270                 CtdlRegisterProtoHook(cmd_lkrn, "LKRN", "Autoconverted. TODO: document me.");
2271                 CtdlRegisterProtoHook(cmd_lkro, "LKRO", "Autoconverted. TODO: document me.");
2272                 CtdlRegisterProtoHook(cmd_lzrm, "LZRM", "Autoconverted. TODO: document me.");
2273                 CtdlRegisterProtoHook(cmd_lprm, "LPRM", "Autoconverted. TODO: document me.");
2274                 CtdlRegisterProtoHook(cmd_goto, "GOTO", "Autoconverted. TODO: document me.");
2275                 CtdlRegisterProtoHook(cmd_whok, "WHOK", "Autoconverted. TODO: document me.");
2276                 CtdlRegisterProtoHook(cmd_rdir, "RDIR", "Autoconverted. TODO: document me.");
2277                 CtdlRegisterProtoHook(cmd_getr, "GETR", "Autoconverted. TODO: document me.");
2278                 CtdlRegisterProtoHook(cmd_setr, "SETR", "Autoconverted. TODO: document me.");
2279                 CtdlRegisterProtoHook(cmd_geta, "GETA", "Autoconverted. TODO: document me.");
2280                 CtdlRegisterProtoHook(cmd_seta, "SETA", "Autoconverted. TODO: document me.");
2281                 CtdlRegisterProtoHook(cmd_rinf, "RINF", "Autoconverted. TODO: document me.");
2282                 CtdlRegisterProtoHook(cmd_kill, "KILL", "Autoconverted. TODO: document me.");
2283                 CtdlRegisterProtoHook(cmd_cre8, "CRE8", "Autoconverted. TODO: document me.");
2284                 CtdlRegisterProtoHook(cmd_einf, "EINF", "Autoconverted. TODO: document me.");
2285                 CtdlRegisterProtoHook(cmd_lflr, "LFLR", "Autoconverted. TODO: document me.");
2286                 CtdlRegisterProtoHook(cmd_cflr, "CFLR", "Autoconverted. TODO: document me.");
2287                 CtdlRegisterProtoHook(cmd_kflr, "KFLR", "Autoconverted. TODO: document me.");
2288                 CtdlRegisterProtoHook(cmd_eflr, "EFLR", "Autoconverted. TODO: document me.");
2289         }
2290         /* return our Subversion id for the Log */
2291         return "room_ops";
2292 }