citadel/room_ops.c

   1 /*
   2  * $Id$
   3  *
   4  * Server functions which perform operations on room objects.
   5  *
   6  */
   7
   8 #ifdef DLL_EXPORT
   9 #define IN_LIBCIT
  10 #endif
  11
  12 #include "sysdep.h"
  13 #include <stdlib.h>
  14 #include <unistd.h>
  15 #include <stdio.h>
  16 #include <sys/stat.h>
  17 #include <ctype.h>
  18 #include <string.h>
  19
  20 #if TIME_WITH_SYS_TIME
  21 # include <sys/time.h>
  22 # include <time.h>
  23 #else
  24 # if HAVE_SYS_TIME_H
  25 #  include <sys/time.h>
  26 # else
  27 #  include <time.h>
  28 # endif
  29 #endif
  30
  31 #include <limits.h>
  32 #include <errno.h>
  33 #include "citadel.h"
  34 #include "server.h"
  35 #include "serv_extensions.h"
  36 #include "database.h"
  37 #include "config.h"
  38 #include "room_ops.h"
  39 #include "sysdep_decls.h"
  40 #include "support.h"
  41 #include "user_ops.h"
  42 #include "msgbase.h"
  43 #include "citserver.h"
  44 #include "control.h"
  45 #include "tools.h"
  46
  47 struct floor *floorcache[MAXFLOORS];
  48
  49 /*
  50  * Generic routine for determining user access to rooms
  51  */
  52 void CtdlRoomAccess(struct ctdlroom *roombuf, struct ctdluser *userbuf,
  53                 int *result, int *view)
  54 {
  55         int retval = 0;
  56         struct visit vbuf;
  57
  58         /* for internal programs, always do everything */
  59         if (((CC->internal_pgm)) && (roombuf->QRflags & QR_INUSE)) {
  60                 retval = (UA_KNOWN | UA_GOTOALLOWED);
  61                 vbuf.v_view = 0;
  62                 goto SKIP_EVERYTHING;
  63         }
  64
  65         /* Locate any applicable user/room relationships */
  66         CtdlGetRelationship(&vbuf, userbuf, roombuf);
  67
  68         /* Force the properties of the Aide room */
  69         if (!strcasecmp(roombuf->QRname, config.c_aideroom)) {
  70                 if (userbuf->axlevel >= 6) {
  71                         retval = UA_KNOWN | UA_GOTOALLOWED;
  72                 } else {
  73                         retval = 0;
  74                 }
  75                 goto NEWMSG;
  76         }
  77
  78         /* If this is a public room, it's accessible... */
  79         if ( ((roombuf->QRflags & QR_PRIVATE) == 0)
  80            && ((roombuf->QRflags & QR_MAILBOX) == 0) ) {
  81                 retval = retval | UA_KNOWN | UA_GOTOALLOWED;
  82         }
  83
  84         /* If this is a preferred users only room, check access level */
  85         if (roombuf->QRflags & QR_PREFONLY) {
  86                 if (userbuf->axlevel < 5) {
  87                         retval = retval & ~UA_KNOWN & ~UA_GOTOALLOWED;
  88                 }
  89         }
  90
  91         /* For private rooms, check the generation number matchups */
  92         if ( (roombuf->QRflags & QR_PRIVATE)
  93            && ((roombuf->QRflags & QR_MAILBOX) == 0) ) {
  94
  95                 /* An explicit match means the user belongs in this room */
  96                 if (vbuf.v_flags & V_ACCESS) {
  97                         retval = retval | UA_KNOWN | UA_GOTOALLOWED;
  98                 }
  99                 /* Otherwise, check if this is a guess-name or passworded
 100                  * room.  If it is, a goto may at least be attempted
 101                  */
 102                 else if ((roombuf->QRflags & QR_PRIVATE)
 103                          || (roombuf->QRflags & QR_PASSWORDED)) {
 104                         retval = retval & ~UA_KNOWN;
 105                         retval = retval | UA_GOTOALLOWED;
 106                 }
 107         }
 108
 109         /* For mailbox rooms, also check the generation number matchups */
 110         if (roombuf->QRflags & QR_MAILBOX) {
 111                 if (userbuf->usernum == atol(roombuf->QRname)) {
 112                         retval = retval | UA_KNOWN | UA_GOTOALLOWED;
 113                 }
 114                 /* An explicit match means the user belongs in this room */
 115                 if (vbuf.v_flags & V_ACCESS) {
 116                         retval = retval | UA_KNOWN | UA_GOTOALLOWED;
 117                 }
 118         }
 119
 120         /* Check to see if the user has forgotten this room */
 121         if (vbuf.v_flags & V_FORGET) {
 122                 retval = retval & ~UA_KNOWN;
 123                 if ( ( ((roombuf->QRflags & QR_PRIVATE) == 0)
 124                       && ((roombuf->QRflags & QR_MAILBOX) == 0) )
 125                    || ( (roombuf->QRflags & QR_MAILBOX)
 126                       && (atol(roombuf->QRname) == CC->user.usernum))) {
 127                         retval = retval | UA_ZAPPED;
 128                 }
 129         }
 130         /* If user is explicitly locked out of this room, deny everything */
 131         if (vbuf.v_flags & V_LOCKOUT) {
 132                 retval = retval & ~UA_KNOWN & ~UA_GOTOALLOWED;
 133         }
 134
 135         /* Aides get access to all private rooms */
 136         if ( (userbuf->axlevel >= 6)
 137            && ((roombuf->QRflags & QR_MAILBOX) == 0) ) {
 138                 if (vbuf.v_flags & V_FORGET) {
 139                         retval = retval | UA_GOTOALLOWED;
 140                 }
 141                 else {
 142                         retval = retval | UA_KNOWN | UA_GOTOALLOWED;
 143                 }
 144         }
 145
 146         /* Aides can gain access to mailboxes as well, but they don't show
 147          * by default.
 148          */
 149         if ( (userbuf->axlevel >= 6)
 150            && (roombuf->QRflags & QR_MAILBOX) ) {
 151                 retval = retval | UA_GOTOALLOWED;
 152         }
 153
 154 NEWMSG: /* By the way, we also check for the presence of new messages */
 155         if (is_msg_in_sequence_set(vbuf.v_seen, roombuf->QRhighest) == 0) {
 156                 retval = retval | UA_HASNEWMSGS;
 157         }
 158
 159         /* System rooms never show up in the list. */
 160         if (roombuf->QRflags2 & QR2_SYSTEM) {
 161                 retval = retval & ~UA_KNOWN;
 162         }
 163
 164 SKIP_EVERYTHING:
 165         /* Now give the caller the information it wants. */
 166         if (result != NULL) *result = retval;
 167         if (view != NULL) *view = vbuf.v_view;
 168 }
 169
 170 /*
 171  * Self-checking stuff for a room record read into memory
 172  */
 173 void room_sanity_check(struct ctdlroom *qrbuf)
 174 {
 175         /* Mailbox rooms are always on the lowest floor */
 176         if (qrbuf->QRflags & QR_MAILBOX) {
 177                 qrbuf->QRfloor = 0;
 178         }
 179         /* Listing order of 0 is illegal except for base rooms */
 180         if (qrbuf->QRorder == 0)
 181                 if (!(qrbuf->QRflags & QR_MAILBOX) &&
 182                     strncasecmp(qrbuf->QRname, config.c_baseroom, ROOMNAMELEN)
 183                     &&
 184                     strncasecmp(qrbuf->QRname, config.c_aideroom, ROOMNAMELEN))
 185                         qrbuf->QRorder = 64;
 186 }
 187
 188
 189 /*
 190  * getroom()  -  retrieve room data from disk
 191  */
 192 int getroom(struct ctdlroom *qrbuf, char *room_name)
 193 {
 194         struct cdbdata *cdbqr;
 195         char lowercase_name[ROOMNAMELEN];
 196         char personal_lowercase_name[ROOMNAMELEN];
 197         int a;
 198
 199         for (a = 0; room_name[a] && a < sizeof lowercase_name - 1; ++a) {
 200                 lowercase_name[a] = tolower(room_name[a]);
 201         }
 202         lowercase_name[a] = 0;
 203
 204         memset(qrbuf, 0, sizeof(struct ctdlroom));
 205
 206         /* First, try the public namespace */
 207         cdbqr = cdb_fetch(CDB_ROOMS,
 208                           lowercase_name, strlen(lowercase_name));
 209
 210         /* If that didn't work, try the user's personal namespace */
 211         if (cdbqr == NULL) {
 212                 snprintf(personal_lowercase_name,
 213                          sizeof personal_lowercase_name, "%010ld.%s",
 214                          CC->user.usernum, lowercase_name);
 215                 cdbqr = cdb_fetch(CDB_ROOMS,
 216                                   personal_lowercase_name,
 217                                   strlen(personal_lowercase_name));
 218         }
 219         if (cdbqr != NULL) {
 220                 memcpy(qrbuf, cdbqr->ptr,
 221                        ((cdbqr->len > sizeof(struct ctdlroom)) ?
 222                         sizeof(struct ctdlroom) : cdbqr->len));
 223                 cdb_free(cdbqr);
 224
 225                 room_sanity_check(qrbuf);
 226
 227                 return (0);
 228         } else {
 229                 return (1);
 230         }
 231 }
 232
 233 /*
 234  * lgetroom()  -  same as getroom() but locks the record (if supported)
 235  */
 236 int lgetroom(struct ctdlroom *qrbuf, char *room_name)
 237 {
 238         register int retval;
 239         retval = getroom(qrbuf, room_name);
 240         if (retval == 0) begin_critical_section(S_ROOMS);
 241         return(retval);
 242 }
 243
 244
 245 /*
 246  * b_putroom()  -  back end to putroom() and b_deleteroom()
 247  *              (if the supplied buffer is NULL, delete the room record)
 248  */
 249 void b_putroom(struct ctdlroom *qrbuf, char *room_name)
 250 {
 251         char lowercase_name[ROOMNAMELEN];
 252         int a;
 253
 254         for (a = 0; a <= strlen(room_name); ++a) {
 255                 lowercase_name[a] = tolower(room_name[a]);
 256         }
 257
 258         if (qrbuf == NULL) {
 259                 cdb_delete(CDB_ROOMS,
 260                            lowercase_name, strlen(lowercase_name));
 261         } else {
 262                 time(&qrbuf->QRmtime);
 263                 cdb_store(CDB_ROOMS,
 264                           lowercase_name, strlen(lowercase_name),
 265                           qrbuf, sizeof(struct ctdlroom));
 266         }
 267 }
 268
 269
 270 /*
 271  * putroom()  -  store room data to disk
 272  */
 273 void putroom(struct ctdlroom *qrbuf) {
 274         b_putroom(qrbuf, qrbuf->QRname);
 275 }
 276
 277
 278 /*
 279  * b_deleteroom()  -  delete a room record from disk
 280  */
 281 void b_deleteroom(char *room_name) {
 282         b_putroom(NULL, room_name);
 283 }
 284
 285
 286
 287 /*
 288  * lputroom()  -  same as putroom() but unlocks the record (if supported)
 289  */
 290 void lputroom(struct ctdlroom *qrbuf)
 291 {
 292
 293         putroom(qrbuf);
 294         end_critical_section(S_ROOMS);
 295
 296 }
 297
 298 /****************************************************************************/
 299
 300 /*
 301  * getfloor()  -  retrieve floor data from disk
 302  */
 303 void getfloor(struct floor *flbuf, int floor_num)
 304 {
 305         struct cdbdata *cdbfl;
 306
 307         memset(flbuf, 0, sizeof(struct floor));
 308         cdbfl = cdb_fetch(CDB_FLOORTAB, &floor_num, sizeof(int));
 309         if (cdbfl != NULL) {
 310                 memcpy(flbuf, cdbfl->ptr,
 311                        ((cdbfl->len > sizeof(struct floor)) ?
 312                         sizeof(struct floor) : cdbfl->len));
 313                 cdb_free(cdbfl);
 314         } else {
 315                 if (floor_num == 0) {
 316                         safestrncpy(flbuf->f_name, "Main Floor",
 317                                 sizeof flbuf->f_name);
 318                         flbuf->f_flags = F_INUSE;
 319                         flbuf->f_ref_count = 3;
 320                 }
 321         }
 322
 323 }
 324
 325 /*
 326  * lgetfloor()  -  same as getfloor() but locks the record (if supported)
 327  */
 328 void lgetfloor(struct floor *flbuf, int floor_num)
 329 {
 330
 331         begin_critical_section(S_FLOORTAB);
 332         getfloor(flbuf, floor_num);
 333 }
 334
 335
 336 /*
 337  * cgetfloor()  -  Get floor record from *cache* (loads from disk if needed)
 338  *
 339  * This is strictly a performance hack.
 340  */
 341 struct floor *cgetfloor(int floor_num) {
 342         static int initialized = 0;
 343         int i;
 344         int fetch_new = 0;
 345         struct floor *fl = NULL;
 346
 347         begin_critical_section(S_FLOORCACHE);
 348         if (initialized == 0) {
 349                 for (i=0; i<MAXFLOORS; ++i) {
 350                         floorcache[floor_num] = NULL;
 351                 }
 352         initialized = 1;
 353         }
 354         if (floorcache[floor_num] == NULL) {
 355                 fetch_new = 1;
 356         }
 357         end_critical_section(S_FLOORCACHE);
 358
 359         if (fetch_new) {
 360                 fl = malloc(sizeof(struct floor));
 361                 getfloor(fl, floor_num);
 362                 begin_critical_section(S_FLOORCACHE);
 363                 if (floorcache[floor_num] != NULL) {
 364                         free(floorcache[floor_num]);
 365                 }
 366                 floorcache[floor_num] = fl;
 367                 end_critical_section(S_FLOORCACHE);
 368         }
 369
 370         return(floorcache[floor_num]);
 371 }
 372
 373
 374
 375 /*
 376  * putfloor()  -  store floor data on disk
 377  */
 378 void putfloor(struct floor *flbuf, int floor_num)
 379 {
 380         /* If we've cached this, clear it out, 'cuz it's WRONG now! */
 381         begin_critical_section(S_FLOORCACHE);
 382         if (floorcache[floor_num] != NULL) {
 383                 free(floorcache[floor_num]);
 384                 floorcache[floor_num] = malloc(sizeof(struct floor));
 385                 memcpy(floorcache[floor_num], flbuf, sizeof(struct floor));
 386         }
 387         end_critical_section(S_FLOORCACHE);
 388
 389         cdb_store(CDB_FLOORTAB, &floor_num, sizeof(int),
 390                   flbuf, sizeof(struct floor));
 391 }
 392
 393
 394 /*
 395  * lputfloor()  -  same as putfloor() but unlocks the record (if supported)
 396  */
 397 void lputfloor(struct floor *flbuf, int floor_num)
 398 {
 399
 400         putfloor(flbuf, floor_num);
 401         end_critical_section(S_FLOORTAB);
 402
 403 }
 404
 405
 406 /*
 407  *  Traverse the room file...
 408  */
 409 void ForEachRoom(void (*CallBack) (struct ctdlroom *EachRoom, void *out_data),
 410                 void *in_data)
 411 {
 412         struct ctdlroom qrbuf;
 413         struct cdbdata *cdbqr;
 414
 415         cdb_rewind(CDB_ROOMS);
 416
 417         while (cdbqr = cdb_next_item(CDB_ROOMS), cdbqr != NULL) {
 418                 memset(&qrbuf, 0, sizeof(struct ctdlroom));
 419                 memcpy(&qrbuf, cdbqr->ptr,
 420                        ((cdbqr->len > sizeof(struct ctdlroom)) ?
 421                         sizeof(struct ctdlroom) : cdbqr->len));
 422                 cdb_free(cdbqr);
 423                 room_sanity_check(&qrbuf);
 424                 if (qrbuf.QRflags & QR_INUSE)
 425                         (*CallBack)(&qrbuf, in_data);
 426         }
 427 }
 428
 429
 430 /*
 431  * delete_msglist()  -  delete room message pointers
 432  */
 433 void delete_msglist(struct ctdlroom *whichroom)
 434 {
 435         struct cdbdata *cdbml;
 436
 437         /* Make sure the msglist we're deleting actually exists, otherwise
 438          * gdbm will complain when we try to delete an invalid record
 439          */
 440         cdbml = cdb_fetch(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
 441         if (cdbml != NULL) {
 442                 cdb_free(cdbml);
 443
 444                 /* Go ahead and delete it */
 445                 cdb_delete(CDB_MSGLISTS, &whichroom->QRnumber, sizeof(long));
 446         }
 447 }
 448
 449
 450
 451
 452 /*
 453  * sort message pointers
 454  * (returns new msg count)
 455  */
 456 int sort_msglist(long listptrs[], int oldcount)
 457 {
 458         int a, b;
 459         long hold1, hold2;
 460         int numitems;
 461
 462         numitems = oldcount;
 463         if (numitems < 2)
 464                 return (oldcount);
 465
 466         /* do the sort */
 467         for (a = numitems - 2; a >= 0; --a) {
 468                 for (b = 0; b <= a; ++b) {
 469                         if (listptrs[b] > (listptrs[b + 1])) {
 470                                 hold1 = listptrs[b];
 471                                 hold2 = listptrs[b + 1];
 472                                 listptrs[b] = hold2;
 473                                 listptrs[b + 1] = hold1;
 474                         }
 475                 }
 476         }
 477
 478         /* and yank any nulls */
 479         while ((numitems > 0) && (listptrs[0] == 0L)) {
 480                 memcpy(&listptrs[0], &listptrs[1],
 481                        (sizeof(long) * (numitems - 1)));
 482                 --numitems;
 483         }
 484
 485         return (numitems);
 486 }
 487
 488
 489 /*
 490  * Determine whether a given room is non-editable.
 491  */
 492 int is_noneditable(struct ctdlroom *qrbuf)
 493 {
 494
 495         /* Mail> rooms are non-editable */
 496         if ( (qrbuf->QRflags & QR_MAILBOX)
 497              && (!strcasecmp(&qrbuf->QRname[11], MAILROOM)) )
 498                 return (1);
 499
 500         /* Everything else is editable */
 501         return (0);
 502 }
 503
 504
 505
 506 /*
 507  * Back-back-end for all room listing commands
 508  */
 509 void list_roomname(struct ctdlroom *qrbuf, int ra, int view)
 510 {
 511         char truncated_roomname[ROOMNAMELEN];
 512
 513         /* For my own mailbox rooms, chop off the owner prefix */
 514         if ( (qrbuf->QRflags & QR_MAILBOX)
 515              && (atol(qrbuf->QRname) == CC->user.usernum) ) {
 516                 safestrncpy(truncated_roomname, qrbuf->QRname, sizeof truncated_roomname);
 517                 safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
 518                 cprintf("%s", truncated_roomname);
 519         }
 520         /* For all other rooms, just display the name in its entirety */
 521         else {
 522                 cprintf("%s", qrbuf->QRname);
 523         }
 524
 525         /* ...and now the other parameters */
 526         cprintf("|%u|%d|%d|%d|%d|%d|\n",
 527                 qrbuf->QRflags,
 528                 (int) qrbuf->QRfloor,
 529                 (int) qrbuf->QRorder,
 530                 (int) qrbuf->QRflags2,
 531                 ra,
 532                 view
 533         );
 534 }
 535
 536
 537 /*
 538  * cmd_lrms()   -  List all accessible rooms, known or forgotten
 539  */
 540 void cmd_lrms_backend(struct ctdlroom *qrbuf, void *data)
 541 {
 542         int FloorBeingSearched = (-1);
 543         int ra;
 544         int view;
 545
 546         FloorBeingSearched = *(int *)data;
 547         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 548
 549         if ((( ra & (UA_KNOWN | UA_ZAPPED)))
 550             && ((qrbuf->QRfloor == (FloorBeingSearched))
 551                 || ((FloorBeingSearched) < 0)))
 552                 list_roomname(qrbuf, ra, view);
 553 }
 554
 555 void cmd_lrms(char *argbuf)
 556 {
 557         int FloorBeingSearched = (-1);
 558         if (strlen(argbuf) > 0)
 559                 FloorBeingSearched = extract_int(argbuf, 0);
 560
 561         if (CtdlAccessCheck(ac_logged_in)) return;
 562
 563         if (getuser(&CC->user, CC->curr_user)) {
 564                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 565                 return;
 566         }
 567         cprintf("%d Accessible rooms:\n", LISTING_FOLLOWS);
 568
 569         ForEachRoom(cmd_lrms_backend, &FloorBeingSearched);
 570         cprintf("000\n");
 571 }
 572
 573
 574
 575 /*
 576  * cmd_lkra()   -  List all known rooms
 577  */
 578 void cmd_lkra_backend(struct ctdlroom *qrbuf, void *data)
 579 {
 580         int FloorBeingSearched = (-1);
 581         int ra;
 582         int view;
 583
 584         FloorBeingSearched = *(int *)data;
 585         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 586
 587         if ((( ra & (UA_KNOWN)))
 588             && ((qrbuf->QRfloor == (FloorBeingSearched))
 589                 || ((FloorBeingSearched) < 0)))
 590                 list_roomname(qrbuf, ra, view);
 591 }
 592
 593 void cmd_lkra(char *argbuf)
 594 {
 595         int FloorBeingSearched = (-1);
 596         if (strlen(argbuf) > 0)
 597                 FloorBeingSearched = extract_int(argbuf, 0);
 598
 599         if (CtdlAccessCheck(ac_logged_in)) return;
 600
 601         if (getuser(&CC->user, CC->curr_user)) {
 602                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 603                 return;
 604         }
 605         cprintf("%d Known rooms:\n", LISTING_FOLLOWS);
 606
 607         ForEachRoom(cmd_lkra_backend, &FloorBeingSearched);
 608         cprintf("000\n");
 609 }
 610
 611
 612
 613 void cmd_lprm_backend(struct ctdlroom *qrbuf, void *data)
 614 {
 615         int FloorBeingSearched = (-1);
 616         int ra;
 617         int view;
 618
 619         FloorBeingSearched = *(int *)data;
 620         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 621
 622         if (   ((qrbuf->QRflags & QR_PRIVATE) == 0)
 623                 && ((qrbuf->QRflags & QR_MAILBOX) == 0)
 624             && ((qrbuf->QRfloor == (FloorBeingSearched))
 625                 || ((FloorBeingSearched) < 0)))
 626                 list_roomname(qrbuf, ra, view);
 627 }
 628
 629 void cmd_lprm(char *argbuf)
 630 {
 631         int FloorBeingSearched = (-1);
 632         if (strlen(argbuf) > 0)
 633                 FloorBeingSearched = extract_int(argbuf, 0);
 634
 635         cprintf("%d Publiic rooms:\n", LISTING_FOLLOWS);
 636
 637         ForEachRoom(cmd_lprm_backend, &FloorBeingSearched);
 638         cprintf("000\n");
 639 }
 640
 641
 642
 643 /*
 644  * cmd_lkrn()   -  List all known rooms with new messages
 645  */
 646 void cmd_lkrn_backend(struct ctdlroom *qrbuf, void *data)
 647 {
 648         int FloorBeingSearched = (-1);
 649         int ra;
 650         int view;
 651
 652         FloorBeingSearched = *(int *)data;
 653         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 654
 655         if ((ra & UA_KNOWN)
 656             && (ra & UA_HASNEWMSGS)
 657             && ((qrbuf->QRfloor == (FloorBeingSearched))
 658                 || ((FloorBeingSearched) < 0)))
 659                 list_roomname(qrbuf, ra, view);
 660 }
 661
 662 void cmd_lkrn(char *argbuf)
 663 {
 664         int FloorBeingSearched = (-1);
 665         if (strlen(argbuf) > 0)
 666                 FloorBeingSearched = extract_int(argbuf, 0);
 667
 668         if (CtdlAccessCheck(ac_logged_in)) return;
 669
 670         if (getuser(&CC->user, CC->curr_user)) {
 671                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 672                 return;
 673         }
 674         cprintf("%d Rooms w/ new msgs:\n", LISTING_FOLLOWS);
 675
 676         ForEachRoom(cmd_lkrn_backend, &FloorBeingSearched);
 677         cprintf("000\n");
 678 }
 679
 680
 681
 682 /*
 683  * cmd_lkro()   -  List all known rooms
 684  */
 685 void cmd_lkro_backend(struct ctdlroom *qrbuf, void *data)
 686 {
 687         int FloorBeingSearched = (-1);
 688         int ra;
 689         int view;
 690
 691         FloorBeingSearched = *(int *)data;
 692         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 693
 694         if ((ra & UA_KNOWN)
 695             && ((ra & UA_HASNEWMSGS) == 0)
 696             && ((qrbuf->QRfloor == (FloorBeingSearched))
 697                 || ((FloorBeingSearched) < 0)))
 698                 list_roomname(qrbuf, ra, view);
 699 }
 700
 701 void cmd_lkro(char *argbuf)
 702 {
 703         int FloorBeingSearched = (-1);
 704         if (strlen(argbuf) > 0)
 705                 FloorBeingSearched = extract_int(argbuf, 0);
 706
 707         if (CtdlAccessCheck(ac_logged_in)) return;
 708
 709         if (getuser(&CC->user, CC->curr_user)) {
 710                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 711                 return;
 712         }
 713         cprintf("%d Rooms w/o new msgs:\n", LISTING_FOLLOWS);
 714
 715         ForEachRoom(cmd_lkro_backend, &FloorBeingSearched);
 716         cprintf("000\n");
 717 }
 718
 719
 720
 721 /*
 722  * cmd_lzrm()   -  List all forgotten rooms
 723  */
 724 void cmd_lzrm_backend(struct ctdlroom *qrbuf, void *data)
 725 {
 726         int FloorBeingSearched = (-1);
 727         int ra;
 728         int view;
 729
 730         FloorBeingSearched = *(int *)data;
 731         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
 732
 733         if ((ra & UA_GOTOALLOWED)
 734             && (ra & UA_ZAPPED)
 735             && ((qrbuf->QRfloor == (FloorBeingSearched))
 736                 || ((FloorBeingSearched) < 0)))
 737                 list_roomname(qrbuf, ra, view);
 738 }
 739
 740 void cmd_lzrm(char *argbuf)
 741 {
 742         int FloorBeingSearched = (-1);
 743         if (strlen(argbuf) > 0)
 744                 FloorBeingSearched = extract_int(argbuf, 0);
 745
 746         if (CtdlAccessCheck(ac_logged_in)) return;
 747
 748         if (getuser(&CC->user, CC->curr_user)) {
 749                 cprintf("%d Can't locate user!\n", ERROR + INTERNAL_ERROR);
 750                 return;
 751         }
 752         cprintf("%d Zapped rooms:\n", LISTING_FOLLOWS);
 753
 754         ForEachRoom(cmd_lzrm_backend, &FloorBeingSearched);
 755         cprintf("000\n");
 756 }
 757
 758
 759 /*
 760  * Make the specified room the current room for this session.  No validation
 761  * or access control is done here -- the caller should make sure that the
 762  * specified room exists and is ok to access.
 763  */
 764 void usergoto(char *where, int display_result, int transiently,
 765                 int *retmsgs, int *retnew)
 766 {
 767         int a;
 768         int new_messages = 0;
 769         int old_messages = 0;
 770         int total_messages = 0;
 771         int info = 0;
 772         int rmailflag;
 773         int raideflag;
 774         int newmailcount = 0;
 775         struct visit vbuf;
 776         char truncated_roomname[ROOMNAMELEN];
 777         struct cdbdata *cdbfr;
 778         long *msglist = NULL;
 779         int num_msgs = 0;
 780         unsigned int original_v_flags;
 781         int num_sets;
 782         int s;
 783         char setstr[128], lostr[64], histr[64];
 784         long lo, hi;
 785
 786         /* If the supplied room name is NULL, the caller wants us to know that
 787          * it has already copied the room record into CC->room, so
 788          * we can skip the extra database fetch.
 789          */
 790         if (where != NULL) {
 791                 safestrncpy(CC->room.QRname, where, sizeof CC->room.QRname);
 792                 getroom(&CC->room, where);
 793         }
 794
 795         /* Take care of all the formalities. */
 796
 797         begin_critical_section(S_USERS);
 798         CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
 799         original_v_flags = vbuf.v_flags;
 800
 801         /* Know the room ... but not if it's the page log room, or if the
 802          * caller specified that we're only entering this room transiently.
 803          */
 804         if ((strcasecmp(CC->room.QRname, config.c_logpages))
 805            && (transiently == 0) ) {
 806                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
 807                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
 808         }
 809
 810         /* Only rewrite the database record if we changed something */
 811         if (vbuf.v_flags != original_v_flags) {
 812                 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
 813         }
 814         end_critical_section(S_USERS);
 815
 816         /* Check for new mail */
 817         newmailcount = NewMailCount();
 818
 819         /* set info to 1 if the user needs to read the room's info file */
 820         if (CC->room.QRinfo > vbuf.v_lastseen) {
 821                 info = 1;
 822         }
 823
 824         get_mm();
 825         cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
 826         if (cdbfr != NULL) {
 827                 msglist = (long *) cdbfr->ptr;
 828                 cdbfr->ptr = NULL;      /* usergoto() now owns this memory */
 829                 num_msgs = cdbfr->len / sizeof(long);
 830                 cdb_free(cdbfr);
 831         }
 832
 833         total_messages = 0;
 834         for (a=0; a<num_msgs; ++a) {
 835                 if (msglist[a] > 0L) ++total_messages;
 836         }
 837         new_messages = num_msgs;
 838         num_sets = num_tokens(vbuf.v_seen, ',');
 839         for (s=0; s<num_sets; ++s) {
 840                 extract_token(setstr, vbuf.v_seen, s, ',', sizeof setstr);
 841
 842                 extract_token(lostr, setstr, 0, ':', sizeof lostr);
 843                 if (num_tokens(setstr, ':') >= 2) {
 844                         extract_token(histr, setstr, 1, ':', sizeof histr);
 845                         if (!strcmp(histr, "*")) {
 846                                 snprintf(histr, sizeof histr, "%ld", LONG_MAX);
 847                         }
 848                 }
 849                 else {
 850                         strcpy(histr, lostr);
 851                 }
 852                 lo = atol(lostr);
 853                 hi = atol(histr);
 854
 855                 for (a=0; a<num_msgs; ++a) if (msglist[a] > 0L) {
 856                         if ((msglist[a] >= lo) && (msglist[a] <= hi)) {
 857                                 ++old_messages;
 858                                 msglist[a] = 0L;
 859                         }
 860                 }
 861         }
 862         new_messages = total_messages - old_messages;
 863
 864         if (msglist != NULL) free(msglist);
 865
 866         if (CC->room.QRflags & QR_MAILBOX)
 867                 rmailflag = 1;
 868         else
 869                 rmailflag = 0;
 870
 871         if ((CC->room.QRroomaide == CC->user.usernum)
 872             || (CC->user.axlevel >= 6))
 873                 raideflag = 1;
 874         else
 875                 raideflag = 0;
 876
 877         safestrncpy(truncated_roomname, CC->room.QRname, sizeof truncated_roomname);
 878         if ( (CC->room.QRflags & QR_MAILBOX)
 879            && (atol(CC->room.QRname) == CC->user.usernum) ) {
 880                 safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
 881         }
 882
 883         if (retmsgs != NULL) *retmsgs = total_messages;
 884         if (retnew != NULL) *retnew = new_messages;
 885         lprintf(CTDL_DEBUG, "<%s> %d new of %d total messages\n",
 886                 CC->room.QRname,
 887                 new_messages, total_messages
 888         );
 889
 890         CC->curr_view = (int)vbuf.v_view;
 891
 892         if (display_result) {
 893                 cprintf("%d%c%s|%d|%d|%d|%d|%ld|%ld|%d|%d|%d|%d|%d|%d|\n",
 894                         CIT_OK, CtdlCheckExpress(),
 895                         truncated_roomname,
 896                         (int)new_messages,
 897                         (int)total_messages,
 898                         (int)info,
 899                         (int)CC->room.QRflags,
 900                         (long)CC->room.QRhighest,
 901                         (long)vbuf.v_lastseen,
 902                         (int)rmailflag,
 903                         (int)raideflag,
 904                         (int)newmailcount,
 905                         (int)CC->room.QRfloor,
 906                         (int)vbuf.v_view,
 907                         (int)CC->room.QRdefaultview
 908                 );
 909         }
 910 }
 911
 912
 913 /*
 914  * cmd_goto()  -  goto a new room
 915  */
 916 void cmd_goto(char *gargs)
 917 {
 918         struct ctdlroom QRscratch;
 919         int c;
 920         int ok = 0;
 921         int ra;
 922         char augmented_roomname[ROOMNAMELEN];
 923         char towhere[ROOMNAMELEN];
 924         char password[32];
 925         int transiently = 0;
 926
 927         if (CtdlAccessCheck(ac_logged_in)) return;
 928
 929         extract_token(towhere, gargs, 0, '|', sizeof towhere);
 930         extract_token(password, gargs, 1, '|', sizeof password);
 931         transiently = extract_int(gargs, 2);
 932
 933         getuser(&CC->user, CC->curr_user);
 934
 935         /*
 936          * Handle some of the macro named rooms
 937          */
 938         if (!strcasecmp(towhere, "_BASEROOM_")) {
 939                 safestrncpy(towhere, config.c_baseroom, sizeof towhere);
 940         }
 941         else if (!strcasecmp(towhere, "_MAIL_")) {
 942                 safestrncpy(towhere, MAILROOM, sizeof towhere);
 943         }
 944         else if (!strcasecmp(towhere, "_BITBUCKET_")) {
 945                 safestrncpy(towhere, config.c_twitroom, sizeof towhere);
 946         }
 947         else if (!strcasecmp(towhere, "_CALENDAR_")) {
 948                 safestrncpy(towhere, USERCALENDARROOM, sizeof towhere);
 949         }
 950         else if (!strcasecmp(towhere, "_TASKS_")) {
 951                 safestrncpy(towhere, USERTASKSROOM, sizeof towhere);
 952         }
 953         else if (!strcasecmp(towhere, "_CONTACTS_")) {
 954                 safestrncpy(towhere, USERCONTACTSROOM, sizeof towhere);
 955         }
 956         else if (!strcasecmp(towhere, "_NOTES_")) {
 957                 safestrncpy(towhere, USERNOTESROOM, sizeof towhere);
 958         }
 959
 960         /* First try a regular match */
 961         c = getroom(&QRscratch, towhere);
 962
 963         /* Then try a mailbox name match */
 964         if (c != 0) {
 965                 MailboxName(augmented_roomname, sizeof augmented_roomname,
 966                             &CC->user, towhere);
 967                 c = getroom(&QRscratch, augmented_roomname);
 968                 if (c == 0)
 969                         safestrncpy(towhere, augmented_roomname, sizeof towhere);
 970         }
 971
 972         /* And if the room was found... */
 973         if (c == 0) {
 974
 975                 /* Let internal programs go directly to any room. */
 976                 if (CC->internal_pgm) {
 977                         memcpy(&CC->room, &QRscratch,
 978                                 sizeof(struct ctdlroom));
 979                         usergoto(NULL, 1, transiently, NULL, NULL);
 980                         return;
 981                 }
 982
 983                 /* See if there is an existing user/room relationship */
 984                 CtdlRoomAccess(&QRscratch, &CC->user, &ra, NULL);
 985
 986                 /* normal clients have to pass through security */
 987                 if (ra & UA_GOTOALLOWED) {
 988                         ok = 1;
 989                 }
 990
 991                 if (ok == 1) {
 992                         if ((QRscratch.QRflags & QR_MAILBOX) &&
 993                             ((ra & UA_GOTOALLOWED))) {
 994                                 memcpy(&CC->room, &QRscratch,
 995                                         sizeof(struct ctdlroom));
 996                                 usergoto(NULL, 1, transiently, NULL, NULL);
 997                                 return;
 998                         } else if ((QRscratch.QRflags & QR_PASSWORDED) &&
 999                             ((ra & UA_KNOWN) == 0) &&
1000                             (strcasecmp(QRscratch.QRpasswd, password)) &&
1001                             (CC->user.axlevel < 6)
1002                             ) {
1003                                 cprintf("%d wrong or missing passwd\n",
1004                                         ERROR + PASSWORD_REQUIRED);
1005                                 return;
1006                         } else if ((QRscratch.QRflags & QR_PRIVATE) &&
1007                                    ((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
1008                                    ((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
1009                                    ((ra & UA_KNOWN) == 0) &&
1010                                    (CC->user.axlevel < 6)
1011                                   ) {
1012                                 lprintf(CTDL_DEBUG, "Failed to acquire private room\n");
1013                         } else {
1014                                 memcpy(&CC->room, &QRscratch,
1015                                         sizeof(struct ctdlroom));
1016                                 usergoto(NULL, 1, transiently, NULL, NULL);
1017                                 return;
1018                         }
1019                 }
1020         }
1021
1022         cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
1023 }
1024
1025
1026 void cmd_whok(void)
1027 {
1028         struct ctdluser temp;
1029         struct cdbdata *cdbus;
1030         int ra;
1031
1032         getuser(&CC->user, CC->curr_user);
1033
1034         /*
1035          * This command is only allowed by aides, room aides,
1036          * and room namespace owners
1037          */
1038         if (is_room_aide()
1039            || (atol(CC->room.QRname) == CC->user.usernum) ) {
1040                 /* access granted */
1041         }
1042         else {
1043                 /* access denied */
1044                 cprintf("%d Higher access or room ownership required.\n",
1045                         ERROR + HIGHER_ACCESS_REQUIRED);
1046                 return;
1047         }
1048
1049         cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
1050         cdb_rewind(CDB_USERS);
1051         while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1052                 memset(&temp, 0, sizeof temp);
1053                 memcpy(&temp, cdbus->ptr, sizeof temp);
1054                 cdb_free(cdbus);
1055
1056                 CtdlRoomAccess(&CC->room, &temp, &ra, NULL);
1057                 if ((CC->room.QRflags & QR_INUSE)
1058                     && (ra & UA_KNOWN)
1059                     )
1060                         cprintf("%s\n", temp.fullname);
1061         }
1062         cprintf("000\n");
1063 }
1064
1065
1066 /*
1067  * RDIR command for room directory
1068  */
1069 void cmd_rdir(void)
1070 {
1071         char buf[256];
1072         char flnm[256];
1073         char comment[256];
1074         FILE *ls, *fd;
1075         struct stat statbuf;
1076         char tempfilename[PATH_MAX];
1077
1078         if (CtdlAccessCheck(ac_logged_in)) return;
1079         tmpnam(tempfilename);
1080
1081         getroom(&CC->room, CC->room.QRname);
1082         getuser(&CC->user, CC->curr_user);
1083
1084         if ((CC->room.QRflags & QR_DIRECTORY) == 0) {
1085                 cprintf("%d not here.\n", ERROR + NOT_HERE);
1086                 return;
1087         }
1088         if (((CC->room.QRflags & QR_VISDIR) == 0)
1089             && (CC->user.axlevel < 6)
1090             && (CC->user.usernum != CC->room.QRroomaide)) {
1091                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
1092                 return;
1093         }
1094         cprintf("%d %s|"
1095 #ifndef HAVE_DATA_DIR
1096                         "."
1097 #else
1098                         DATA_DIR
1099 #endif
1100                         "/files/%s\n",
1101                         LISTING_FOLLOWS, config.c_fqdn, CC->room.QRdirname);
1102
1103         snprintf(buf, sizeof buf, "ls "
1104 #ifndef HAVE_DATA_DIR
1105                          "."
1106 #else
1107                          DATA_DIR
1108 #endif
1109                          "/files/%s  >%s 2> /dev/null",
1110                          CC->room.QRdirname, tempfilename);
1111         system(buf);
1112
1113         snprintf(buf, sizeof buf,
1114 #ifndef HAVE_DATA_DIR
1115                          "."
1116 #else
1117                          DATA_DIR
1118 #endif
1119                          "/files/%s/filedir", CC->room.QRdirname);
1120         fd = fopen(buf, "r");
1121         if (fd == NULL)
1122                 fd = fopen("/dev/null", "r");
1123
1124         ls = fopen(tempfilename, "r");
1125         while (fgets(flnm, sizeof flnm, ls) != NULL) {
1126                 flnm[strlen(flnm) - 1] = 0;
1127                 if (strcasecmp(flnm, "filedir")) {
1128                         snprintf(buf, sizeof buf,
1129 #ifndef HAVE_DATA_DIR
1130                                          "."
1131 #else
1132                                          DATA_DIR
1133 #endif
1134                                          "/files/%s/%s",
1135                                          CC->room.QRdirname, flnm);
1136                         stat(buf, &statbuf);
1137                         safestrncpy(comment, "", sizeof comment);
1138                         fseek(fd, 0L, 0);
1139                         while ((fgets(buf, sizeof buf, fd) != NULL)
1140                                && (strlen(comment) == 0)) {
1141                                 buf[strlen(buf) - 1] = 0;
1142                                 if ((!strncasecmp(buf, flnm, strlen(flnm)))
1143                                     && (buf[strlen(flnm)] == ' '))
1144                                         safestrncpy(comment,
1145                                             &buf[strlen(flnm) + 1],
1146                                             sizeof comment);
1147                         }
1148                         cprintf("%s|%ld|%s\n", flnm, (long)statbuf.st_size, comment);
1149                 }
1150         }
1151         fclose(ls);
1152         fclose(fd);
1153         unlink(tempfilename);
1154
1155         cprintf("000\n");
1156 }
1157
1158 /*
1159  * get room parameters (aide or room aide command)
1160  */
1161 void cmd_getr(void)
1162 {
1163         if (CtdlAccessCheck(ac_room_aide)) return;
1164
1165         getroom(&CC->room, CC->room.QRname);
1166         cprintf("%d%c%s|%s|%s|%d|%d|%d|%d|%d|\n",
1167                 CIT_OK,
1168                 CtdlCheckExpress(),
1169
1170                 ((CC->room.QRflags & QR_MAILBOX) ?
1171                         &CC->room.QRname[11] : CC->room.QRname),
1172
1173                 ((CC->room.QRflags & QR_PASSWORDED) ?
1174                         CC->room.QRpasswd : ""),
1175
1176                 ((CC->room.QRflags & QR_DIRECTORY) ?
1177                         CC->room.QRdirname : ""),
1178
1179                 CC->room.QRflags,
1180                 (int) CC->room.QRfloor,
1181                 (int) CC->room.QRorder,
1182
1183                 CC->room.QRdefaultview,
1184                 CC->room.QRflags2
1185                 );
1186 }
1187
1188
1189 /*
1190  * Back end function to rename a room.
1191  * You can also specify which floor to move the room to, or specify -1 to
1192  * keep the room on the same floor it was on.
1193  *
1194  * If you are renaming a mailbox room, you must supply the namespace prefix
1195  * in *at least* the old name!
1196  */
1197 int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
1198         int old_floor = 0;
1199         struct ctdlroom qrbuf;
1200         struct ctdlroom qrtmp;
1201         int ret = 0;
1202         struct floor *fl;
1203         struct floor flbuf;
1204         long owner = 0L;
1205         char actual_old_name[ROOMNAMELEN];
1206
1207         lprintf(CTDL_DEBUG, "CtdlRenameRoom(%s, %s, %d)\n",
1208                 old_name, new_name, new_floor);
1209
1210         if (new_floor >= 0) {
1211                 fl = cgetfloor(new_floor);
1212                 if ((fl->f_flags & F_INUSE) == 0) {
1213                         return(crr_invalid_floor);
1214                 }
1215         }
1216
1217         begin_critical_section(S_ROOMS);
1218
1219         if ( (getroom(&qrtmp, new_name) == 0)
1220            && (strcasecmp(new_name, old_name)) ) {
1221                 ret = crr_already_exists;
1222         }
1223
1224         else if (getroom(&qrbuf, old_name) != 0) {
1225                 ret = crr_room_not_found;
1226         }
1227
1228         else if ( (CC->user.axlevel < 6)
1229                   && (CC->user.usernum != qrbuf.QRroomaide)
1230                   && ( (((qrbuf.QRflags & QR_MAILBOX) == 0) || (atol(qrbuf.QRname) != CC->user.usernum))) )  {
1231                 ret = crr_access_denied;
1232         }
1233
1234         else if (is_noneditable(&qrbuf)) {
1235                 ret = crr_noneditable;
1236         }
1237
1238         else {
1239                 /* Rename it */
1240                 safestrncpy(actual_old_name, qrbuf.QRname, sizeof actual_old_name);
1241                 if (qrbuf.QRflags & QR_MAILBOX) {
1242                         owner = atol(qrbuf.QRname);
1243                 }
1244                 if ( (owner > 0L) && (atol(new_name) == 0L) ) {
1245                         snprintf(qrbuf.QRname, sizeof(qrbuf.QRname),
1246                                         "%010ld.%s", owner, new_name);
1247                 }
1248                 else {
1249                         safestrncpy(qrbuf.QRname, new_name,
1250                                                 sizeof(qrbuf.QRname));
1251                 }
1252
1253                 /* Reject change of floor for baseroom/aideroom */
1254                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN) ||
1255                     !strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1256                         new_floor = 0;
1257                 }
1258
1259                 /* Take care of floor stuff */
1260                 old_floor = qrbuf.QRfloor;
1261                 if (new_floor < 0) {
1262                         new_floor = old_floor;
1263                 }
1264                 qrbuf.QRfloor = new_floor;
1265                 putroom(&qrbuf);
1266
1267                 begin_critical_section(S_CONFIG);
1268
1269                 /* If baseroom/aideroom name changes, update config */
1270                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN)) {
1271                         safestrncpy(config.c_baseroom, new_name, ROOMNAMELEN);
1272                         put_config();
1273                 }
1274                 if (!strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1275                         safestrncpy(config.c_aideroom, new_name, ROOMNAMELEN);
1276                         put_config();
1277                 }
1278
1279                 end_critical_section(S_CONFIG);
1280
1281                 /* If the room name changed, then there are now two room
1282                  * records, so we have to delete the old one.
1283                  */
1284                 if (strcasecmp(new_name, old_name)) {
1285                         b_deleteroom(actual_old_name);
1286                 }
1287
1288                 ret = crr_ok;
1289         }
1290
1291         end_critical_section(S_ROOMS);
1292
1293         /* Adjust the floor reference counts if necessary */
1294         if (new_floor != old_floor) {
1295                 lgetfloor(&flbuf, old_floor);
1296                 --flbuf.f_ref_count;
1297                 lputfloor(&flbuf, old_floor);
1298                 lprintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", old_floor, flbuf.f_ref_count);
1299                 lgetfloor(&flbuf, new_floor);
1300                 ++flbuf.f_ref_count;
1301                 lputfloor(&flbuf, new_floor);
1302                 lprintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", new_floor, flbuf.f_ref_count);
1303         }
1304
1305         /* ...and everybody say "YATTA!" */
1306         return(ret);
1307 }
1308
1309
1310 /*
1311  * set room parameters (aide or room aide command)
1312  */
1313 void cmd_setr(char *args)
1314 {
1315         char buf[256];
1316         int new_order = 0;
1317         int r;
1318         int new_floor;
1319         char new_name[ROOMNAMELEN];
1320
1321         if (CtdlAccessCheck(ac_logged_in)) return;
1322
1323         if (num_parms(args) >= 6) {
1324                 new_floor = extract_int(args, 5);
1325         } else {
1326                 new_floor = (-1);       /* don't change the floor */
1327         }
1328
1329         /* When is a new name more than just a new name?  When the old name
1330          * has a namespace prefix.
1331          */
1332         if (CC->room.QRflags & QR_MAILBOX) {
1333                 sprintf(new_name, "%010ld.", atol(CC->room.QRname) );
1334         } else {
1335                 safestrncpy(new_name, "", sizeof new_name);
1336         }
1337         extract_token(&new_name[strlen(new_name)], args, 0, '|', (sizeof new_name - strlen(new_name)));
1338
1339         r = CtdlRenameRoom(CC->room.QRname, new_name, new_floor);
1340
1341         if (r == crr_room_not_found) {
1342                 cprintf("%d Internal error - room not found?\n", ERROR + INTERNAL_ERROR);
1343         } else if (r == crr_already_exists) {
1344                 cprintf("%d '%s' already exists.\n",
1345                         ERROR + ALREADY_EXISTS, new_name);
1346         } else if (r == crr_noneditable) {
1347                 cprintf("%d Cannot edit this room.\n", ERROR + NOT_HERE);
1348         } else if (r == crr_invalid_floor) {
1349                 cprintf("%d Target floor does not exist.\n",
1350                         ERROR + INVALID_FLOOR_OPERATION);
1351         } else if (r == crr_access_denied) {
1352                 cprintf("%d You do not have permission to edit '%s'\n",
1353                         ERROR + HIGHER_ACCESS_REQUIRED,
1354                         CC->room.QRname);
1355         } else if (r != crr_ok) {
1356                 cprintf("%d Error: CtdlRenameRoom() returned %d\n",
1357                         ERROR + INTERNAL_ERROR, r);
1358         }
1359
1360         if (r != crr_ok) {
1361                 return;
1362         }
1363
1364         getroom(&CC->room, new_name);
1365
1366         /* Now we have to do a bunch of other stuff */
1367
1368         if (num_parms(args) >= 7) {
1369                 new_order = extract_int(args, 6);
1370                 if (new_order < 1)
1371                         new_order = 1;
1372                 if (new_order > 127)
1373                         new_order = 127;
1374         }
1375
1376         lgetroom(&CC->room, CC->room.QRname);
1377
1378         /* Directory room */
1379         extract_token(buf, args, 2, '|', sizeof buf);
1380         buf[15] = 0;
1381         safestrncpy(CC->room.QRdirname, buf,
1382                 sizeof CC->room.QRdirname);
1383
1384         /* Default view */
1385         if (num_parms(args) >= 8) {
1386                 CC->room.QRdefaultview = extract_int(args, 7);
1387         }
1388
1389         /* Second set of flags */
1390         if (num_parms(args) >= 9) {
1391                 CC->room.QRflags2 = extract_int(args, 8);
1392         }
1393
1394         /* Misc. flags */
1395         CC->room.QRflags = (extract_int(args, 3) | QR_INUSE);
1396         /* Clean up a client boo-boo: if the client set the room to
1397          * guess-name or passworded, ensure that the private flag is
1398          * also set.
1399          */
1400         if ((CC->room.QRflags & QR_GUESSNAME)
1401             || (CC->room.QRflags & QR_PASSWORDED))
1402                 CC->room.QRflags |= QR_PRIVATE;
1403
1404         /* Some changes can't apply to BASEROOM */
1405         if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1406                          ROOMNAMELEN)) {
1407                 CC->room.QRorder = 0;
1408                 CC->room.QRpasswd[0] = '\0';
1409                 CC->room.QRflags &= ~(QR_PRIVATE & QR_PASSWORDED &
1410                         QR_GUESSNAME & QR_PREFONLY & QR_MAILBOX);
1411                 CC->room.QRflags |= QR_PERMANENT;
1412         } else {
1413                 /* March order (doesn't apply to AIDEROOM) */
1414                 if (num_parms(args) >= 7)
1415                         CC->room.QRorder = (char) new_order;
1416                 /* Room password */
1417                 extract_token(buf, args, 1, '|', sizeof buf);
1418                 buf[10] = 0;
1419                 safestrncpy(CC->room.QRpasswd, buf,
1420                             sizeof CC->room.QRpasswd);
1421                 /* Kick everyone out if the client requested it
1422                  * (by changing the room's generation number)
1423                  */
1424                 if (extract_int(args, 4)) {
1425                         time(&CC->room.QRgen);
1426                 }
1427         }
1428         /* Some changes can't apply to AIDEROOM */
1429         if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1430                          ROOMNAMELEN)) {
1431                 CC->room.QRorder = 0;
1432                 CC->room.QRflags &= ~QR_MAILBOX;
1433                 CC->room.QRflags |= QR_PERMANENT;
1434         }
1435
1436         /* Write the room record back to disk */
1437         lputroom(&CC->room);
1438
1439         /* Create a room directory if necessary */
1440         if (CC->room.QRflags & QR_DIRECTORY) {
1441                 snprintf(buf, sizeof buf,
1442 #ifndef HAVE_DATA_DIR
1443                                  "."
1444 #else
1445                                  DATA_DIR
1446 #endif
1447                                  "/files/%s", CC->room.QRdirname);
1448                 mkdir(buf, 0755);
1449         }
1450         snprintf(buf, sizeof buf, "%s> edited by %s\n", CC->room.QRname, CC->curr_user);
1451         aide_message(buf);
1452         cprintf("%d Ok\n", CIT_OK);
1453 }
1454
1455
1456
1457 /*
1458  * get the name of the room aide for this room
1459  */
1460 void cmd_geta(void)
1461 {
1462         struct ctdluser usbuf;
1463
1464         if (CtdlAccessCheck(ac_logged_in)) return;
1465
1466         if (getuserbynumber(&usbuf, CC->room.QRroomaide) == 0) {
1467                 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
1468         } else {
1469                 cprintf("%d \n", CIT_OK);
1470         }
1471 }
1472
1473
1474 /*
1475  * set the room aide for this room
1476  */
1477 void cmd_seta(char *new_ra)
1478 {
1479         struct ctdluser usbuf;
1480         long newu;
1481         char buf[SIZ];
1482         int post_notice;
1483
1484         if (CtdlAccessCheck(ac_room_aide)) return;
1485
1486         if (getuser(&usbuf, new_ra) != 0) {
1487                 newu = (-1L);
1488         } else {
1489                 newu = usbuf.usernum;
1490         }
1491
1492         lgetroom(&CC->room, CC->room.QRname);
1493         post_notice = 0;
1494         if (CC->room.QRroomaide != newu) {
1495                 post_notice = 1;
1496         }
1497         CC->room.QRroomaide = newu;
1498         lputroom(&CC->room);
1499
1500         /*
1501          * We have to post the change notice _after_ writing changes to
1502          * the room table, otherwise it would deadlock!
1503          */
1504         if (post_notice == 1) {
1505                 if (strlen(usbuf.fullname) > 0)
1506                         snprintf(buf, sizeof buf,
1507                                 "%s is now room aide for %s>\n",
1508                                 usbuf.fullname, CC->room.QRname);
1509                 else
1510                         snprintf(buf, sizeof buf,
1511                                 "There is now no room aide for %s>\n",
1512                                 CC->room.QRname);
1513                 aide_message(buf);
1514         }
1515         cprintf("%d Ok\n", CIT_OK);
1516 }
1517
1518 /*
1519  * Generate an associated file name for a room
1520  */
1521 void assoc_file_name(char *buf, size_t n,
1522                      struct ctdlroom *qrbuf, const char *prefix)
1523 {
1524         snprintf(buf, n, "./%s/%ld", prefix, qrbuf->QRnumber);
1525 }
1526
1527 /*
1528  * retrieve info file for this room
1529  */
1530 void cmd_rinf(void)
1531 {
1532         char filename[128];
1533         char buf[SIZ];
1534         FILE *info_fp;
1535
1536         assoc_file_name(filename, sizeof filename, &CC->room, "info");
1537         info_fp = fopen(filename, "r");
1538
1539         if (info_fp == NULL) {
1540                 cprintf("%d No info file.\n", ERROR + FILE_NOT_FOUND);
1541                 return;
1542         }
1543         cprintf("%d Info:\n", LISTING_FOLLOWS);
1544         while (fgets(buf, sizeof buf, info_fp) != NULL) {
1545                 if (strlen(buf) > 0)
1546                         buf[strlen(buf) - 1] = 0;
1547                 cprintf("%s\n", buf);
1548         }
1549         cprintf("000\n");
1550         fclose(info_fp);
1551 }
1552
1553 /*
1554  * Asynchronously schedule a room for deletion.  The room will appear
1555  * deleted to the user(s), but it won't actually get purged from the
1556  * database until THE DREADED AUTO-PURGER makes its next run.
1557  */
1558 void schedule_room_for_deletion(struct ctdlroom *qrbuf)
1559 {
1560         char old_name[ROOMNAMELEN];
1561         static int seq = 0;
1562
1563         lprintf(CTDL_NOTICE, "Scheduling room <%s> for deletion\n",
1564                 qrbuf->QRname);
1565
1566         safestrncpy(old_name, qrbuf->QRname, sizeof old_name);
1567
1568         getroom(qrbuf, qrbuf->QRname);
1569
1570         /* Turn the room into a private mailbox owned by a user who doesn't
1571          * exist.  This will immediately make the room invisible to everyone,
1572          * and qualify the room for purging.
1573          */
1574         snprintf(qrbuf->QRname, sizeof qrbuf->QRname, "9999999999.%08lx.%04d.%s",
1575                 time(NULL),
1576                 ++seq,
1577                 old_name
1578         );
1579         qrbuf->QRflags |= QR_MAILBOX;
1580         time(&qrbuf->QRgen);    /* Use a timestamp as the new generation number  */
1581
1582         putroom(qrbuf);
1583
1584         b_deleteroom(old_name);
1585 }
1586
1587
1588
1589 /*
1590  * Back end processing to delete a room and everything associated with it
1591  * (This one is synchronous and should only get called by THE DREADED
1592  * AUTO-PURGER in serv_expire.c.  All user-facing code should call
1593  * the asynchronous schedule_room_for_deletion() instead.)
1594  */
1595 void delete_room(struct ctdlroom *qrbuf)
1596 {
1597         struct floor flbuf;
1598         char filename[100];
1599
1600         lprintf(CTDL_NOTICE, "Deleting room <%s>\n", qrbuf->QRname);
1601
1602         /* Delete the info file */
1603         assoc_file_name(filename, sizeof filename, qrbuf, "info");
1604         unlink(filename);
1605
1606         /* Delete the image file */
1607         assoc_file_name(filename, sizeof filename, qrbuf, "images");
1608         unlink(filename);
1609
1610         /* Delete the room's network config file */
1611         assoc_file_name(filename, sizeof filename, qrbuf, "netconfigs");
1612         unlink(filename);
1613
1614         /* Delete the messages in the room
1615          * (Careful: this opens an S_ROOMS critical section!)
1616          */
1617         CtdlDeleteMessages(qrbuf->QRname, 0L, "", 0);
1618
1619         /* Flag the room record as not in use */
1620         lgetroom(qrbuf, qrbuf->QRname);
1621         qrbuf->QRflags = 0;
1622         lputroom(qrbuf);
1623
1624         /* then decrement the reference count for the floor */
1625         lgetfloor(&flbuf, (int) (qrbuf->QRfloor));
1626         flbuf.f_ref_count = flbuf.f_ref_count - 1;
1627         lputfloor(&flbuf, (int) (qrbuf->QRfloor));
1628
1629         /* Delete the room record from the database! */
1630         b_deleteroom(qrbuf->QRname);
1631 }
1632
1633
1634
1635 /*
1636  * Check access control for deleting a room
1637  */
1638 int CtdlDoIHavePermissionToDeleteThisRoom(struct ctdlroom *qr) {
1639
1640         if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1641                 return(0);
1642         }
1643
1644         if (is_noneditable(qr)) {
1645                 return(0);
1646         }
1647
1648         /*
1649          * For mailboxes, check stuff
1650          */
1651         if (qr->QRflags & QR_MAILBOX) {
1652
1653                 if (strlen(qr->QRname) < 12) return(0); /* bad name */
1654
1655                 if (atol(qr->QRname) != CC->user.usernum) {
1656                         return(0);      /* not my room */
1657                 }
1658
1659                 /* Can't delete your Mail> room */
1660                 if (!strcasecmp(&qr->QRname[12], MAILROOM)) return(0);
1661
1662                 /* Otherwise it's ok */
1663                 return(1);
1664         }
1665
1666         /*
1667          * For normal rooms, just check for aide or room aide status.
1668          */
1669         return(is_room_aide());
1670 }
1671
1672 /*
1673  * aide command: kill the current room
1674  */
1675 void cmd_kill(char *argbuf)
1676 {
1677         char deleted_room_name[ROOMNAMELEN];
1678         char msg[SIZ];
1679         int kill_ok;
1680
1681         kill_ok = extract_int(argbuf, 0);
1682
1683         if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->room) == 0) {
1684                 cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
1685                 return;
1686         }
1687         if (kill_ok) {
1688                 if (CC->room.QRflags & QR_MAILBOX) {
1689                         safestrncpy(deleted_room_name, &CC->room.QRname[11], sizeof deleted_room_name);
1690                 }
1691                 else {
1692                         safestrncpy(deleted_room_name, CC->room.QRname, sizeof deleted_room_name);
1693                 }
1694
1695                 /* Do the dirty work */
1696                 schedule_room_for_deletion(&CC->room);
1697
1698                 /* Return to the Lobby */
1699                 usergoto(config.c_baseroom, 0, 0, NULL, NULL);
1700
1701                 /* tell the world what we did */
1702                 snprintf(msg, sizeof msg, "%s> killed by %s\n",
1703                          deleted_room_name, CC->curr_user);
1704                 aide_message(msg);
1705                 cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
1706         } else {
1707                 cprintf("%d ok to delete.\n", CIT_OK);
1708         }
1709 }
1710
1711
1712 /*
1713  * Internal code to create a new room (returns room flags)
1714  *
1715  * Room types:  0=public, 1=guessname, 2=passworded, 3=inv-only,
1716  *              4=mailbox, 5=mailbox, but caller supplies namespace
1717  */
1718 unsigned create_room(char *new_room_name,
1719                      int new_room_type,
1720                      char *new_room_pass,
1721                      int new_room_floor,
1722                      int really_create,
1723                      int avoid_access,
1724                      int new_room_view)
1725 {
1726
1727         struct ctdlroom qrbuf;
1728         struct floor flbuf;
1729         struct visit vbuf;
1730
1731         lprintf(CTDL_DEBUG, "create_room(name=%s, type=%d, view=%d)\n",
1732                 new_room_name, new_room_type, new_room_view);
1733
1734         if (getroom(&qrbuf, new_room_name) == 0) {
1735                 lprintf(CTDL_DEBUG, "%s already exists.\n", new_room_name);
1736                 return(0);
1737         }
1738
1739         memset(&qrbuf, 0, sizeof(struct ctdlroom));
1740         safestrncpy(qrbuf.QRpasswd, new_room_pass, sizeof qrbuf.QRpasswd);
1741         qrbuf.QRflags = QR_INUSE;
1742         if (new_room_type > 0)
1743                 qrbuf.QRflags = (qrbuf.QRflags | QR_PRIVATE);
1744         if (new_room_type == 1)
1745                 qrbuf.QRflags = (qrbuf.QRflags | QR_GUESSNAME);
1746         if (new_room_type == 2)
1747                 qrbuf.QRflags = (qrbuf.QRflags | QR_PASSWORDED);
1748         if ( (new_room_type == 4) || (new_room_type == 5) )
1749                 qrbuf.QRflags = (qrbuf.QRflags | QR_MAILBOX);
1750
1751         /* If the user is requesting a personal room, set up the room
1752          * name accordingly (prepend the user number)
1753          */
1754         if (new_room_type == 4) {
1755                 MailboxName(qrbuf.QRname, sizeof qrbuf.QRname, &CC->user, new_room_name);
1756         }
1757         else {
1758                 safestrncpy(qrbuf.QRname, new_room_name, sizeof qrbuf.QRname);
1759         }
1760
1761         /* If the room is private, and the system administrator has elected
1762          * to automatically grant room aide privileges, do so now; otherwise,
1763          * set the room aide to undefined.
1764          */
1765         if ((qrbuf.QRflags & QR_PRIVATE) && (CREATAIDE == 1)) {
1766                 qrbuf.QRroomaide = CC->user.usernum;
1767         } else {
1768                 qrbuf.QRroomaide = (-1L);
1769         }
1770
1771         /*
1772          * If the caller is only interested in testing whether this will work,
1773          * return now without creating the room.
1774          */
1775         if (!really_create) return (qrbuf.QRflags);
1776
1777         qrbuf.QRnumber = get_new_room_number();
1778         qrbuf.QRhighest = 0L;   /* No messages in this room yet */
1779         time(&qrbuf.QRgen);     /* Use a timestamp as the generation number */
1780         qrbuf.QRfloor = new_room_floor;
1781         qrbuf.QRdefaultview = new_room_view;
1782
1783         /* save what we just did... */
1784         putroom(&qrbuf);
1785
1786         /* bump the reference count on whatever floor the room is on */
1787         lgetfloor(&flbuf, (int) qrbuf.QRfloor);
1788         flbuf.f_ref_count = flbuf.f_ref_count + 1;
1789         lputfloor(&flbuf, (int) qrbuf.QRfloor);
1790
1791         /* Grant the creator access to the room unless the avoid_access
1792          * parameter was specified.
1793          */
1794         if (avoid_access == 0) {
1795                 lgetuser(&CC->user, CC->curr_user);
1796                 CtdlGetRelationship(&vbuf, &CC->user, &qrbuf);
1797                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1798                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1799                 CtdlSetRelationship(&vbuf, &CC->user, &qrbuf);
1800                 lputuser(&CC->user);
1801         }
1802
1803         /* resume our happy day */
1804         return (qrbuf.QRflags);
1805 }
1806
1807
1808 /*
1809  * create a new room
1810  */
1811 void cmd_cre8(char *args)
1812 {
1813         int cre8_ok;
1814         char new_room_name[ROOMNAMELEN];
1815         int new_room_type;
1816         char new_room_pass[32];
1817         int new_room_floor;
1818         int new_room_view;
1819         char *notification_message = NULL;
1820         unsigned newflags;
1821         struct floor *fl;
1822         int avoid_access = 0;
1823
1824         cre8_ok = extract_int(args, 0);
1825         extract_token(new_room_name, args, 1, '|', sizeof new_room_name);
1826         new_room_name[ROOMNAMELEN - 1] = 0;
1827         new_room_type = extract_int(args, 2);
1828         extract_token(new_room_pass, args, 3, '|', sizeof new_room_pass);
1829         avoid_access = extract_int(args, 5);
1830         new_room_view = extract_int(args, 6);
1831         new_room_pass[9] = 0;
1832         new_room_floor = 0;
1833
1834         if ((strlen(new_room_name) == 0) && (cre8_ok == 1)) {
1835                 cprintf("%d Invalid room name.\n", ERROR + ILLEGAL_VALUE);
1836                 return;
1837         }
1838
1839         if (!strcasecmp(new_room_name, MAILROOM)) {
1840                 cprintf("%d '%s' already exists.\n",
1841                         ERROR + ALREADY_EXISTS, new_room_name);
1842                 return;
1843         }
1844
1845         if (num_parms(args) >= 5) {
1846                 fl = cgetfloor(extract_int(args, 4));
1847                 if (fl == NULL) {
1848                         cprintf("%d Invalid floor number.\n",
1849                                 ERROR + INVALID_FLOOR_OPERATION);
1850                         return;
1851                 }
1852                 else if ((fl->f_flags & F_INUSE) == 0) {
1853                         cprintf("%d Invalid floor number.\n",
1854                                 ERROR + INVALID_FLOOR_OPERATION);
1855                         return;
1856                 } else {
1857                         new_room_floor = extract_int(args, 4);
1858                 }
1859         }
1860
1861         if (CtdlAccessCheck(ac_logged_in)) return;
1862
1863         if (CC->user.axlevel < config.c_createax) {
1864                 cprintf("%d You need higher access to create rooms.\n",
1865                         ERROR + HIGHER_ACCESS_REQUIRED);
1866                 return;
1867         }
1868
1869         if ((strlen(new_room_name) == 0) && (cre8_ok == 0)) {
1870                 cprintf("%d Ok to create rooms.\n", CIT_OK);
1871                 return;
1872         }
1873
1874         if ((new_room_type < 0) || (new_room_type > 5)) {
1875                 cprintf("%d Invalid room type.\n", ERROR + ILLEGAL_VALUE);
1876                 return;
1877         }
1878
1879         if (new_room_type == 5) {
1880                 if (CC->user.axlevel < 6) {
1881                         cprintf("%d Higher access required\n",
1882                                 ERROR + HIGHER_ACCESS_REQUIRED);
1883                         return;
1884                 }
1885         }
1886
1887         /* Check to make sure the requested room name doesn't already exist */
1888         newflags = create_room(new_room_name,
1889                                 new_room_type, new_room_pass, new_room_floor,
1890                                 0, avoid_access, new_room_view);
1891         if (newflags == 0) {
1892                 cprintf("%d '%s' already exists.\n",
1893                         ERROR + ALREADY_EXISTS, new_room_name);
1894                 return;
1895         }
1896
1897         if (cre8_ok == 0) {
1898                 cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
1899                 return;
1900         }
1901
1902         /* If we reach this point, the room needs to be created. */
1903
1904         newflags = create_room(new_room_name,
1905                            new_room_type, new_room_pass, new_room_floor, 1, 0,
1906                            new_room_view);
1907
1908         /* post a message in Aide> describing the new room */
1909         notification_message = malloc(1024);
1910         snprintf(notification_message, 1024,
1911                 "%s> created by %s%s%s%s%s%s\n",
1912                 new_room_name,
1913                 CC->user.fullname,
1914                 ((newflags & QR_MAILBOX) ? " [personal]" : ""),
1915                 ((newflags & QR_PRIVATE) ? " [private]" : ""),
1916                 ((newflags & QR_GUESSNAME) ? " [hidden]" : ""),
1917                 ((newflags & QR_PASSWORDED) ? " Password: " : ""),
1918                 ((newflags & QR_PASSWORDED) ? new_room_pass : "")
1919         );
1920         aide_message(notification_message);
1921         free(notification_message);
1922
1923         cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
1924 }
1925
1926
1927
1928 void cmd_einf(char *ok)
1929 {                               /* enter info file for current room */
1930         FILE *fp;
1931         char infofilename[SIZ];
1932         char buf[SIZ];
1933
1934         unbuffer_output();
1935
1936         if (CtdlAccessCheck(ac_room_aide)) return;
1937
1938         if (atoi(ok) == 0) {
1939                 cprintf("%d Ok.\n", CIT_OK);
1940                 return;
1941         }
1942         assoc_file_name(infofilename, sizeof infofilename, &CC->room, "info");
1943         lprintf(CTDL_DEBUG, "opening\n");
1944         fp = fopen(infofilename, "w");
1945         lprintf(CTDL_DEBUG, "checking\n");
1946         if (fp == NULL) {
1947                 cprintf("%d Cannot open %s: %s\n",
1948                   ERROR + INTERNAL_ERROR, infofilename, strerror(errno));
1949                 return;
1950         }
1951         cprintf("%d Send info...\n", SEND_LISTING);
1952
1953         do {
1954                 client_getln(buf, sizeof buf);
1955                 if (strcmp(buf, "000"))
1956                         fprintf(fp, "%s\n", buf);
1957         } while (strcmp(buf, "000"));
1958         fclose(fp);
1959
1960         /* now update the room index so people will see our new info */
1961         lgetroom(&CC->room, CC->room.QRname);           /* lock so no one steps on us */
1962         CC->room.QRinfo = CC->room.QRhighest + 1L;
1963         lputroom(&CC->room);
1964 }
1965
1966
1967 /*
1968  * cmd_lflr()   -  List all known floors
1969  */
1970 void cmd_lflr(void)
1971 {
1972         int a;
1973         struct floor flbuf;
1974
1975         if (CtdlAccessCheck(ac_logged_in)) return;
1976
1977         cprintf("%d Known floors:\n", LISTING_FOLLOWS);
1978
1979         for (a = 0; a < MAXFLOORS; ++a) {
1980                 getfloor(&flbuf, a);
1981                 if (flbuf.f_flags & F_INUSE) {
1982                         cprintf("%d|%s|%d\n",
1983                                 a,
1984                                 flbuf.f_name,
1985                                 flbuf.f_ref_count);
1986                 }
1987         }
1988         cprintf("000\n");
1989 }
1990
1991
1992
1993 /*
1994  * create a new floor
1995  */
1996 void cmd_cflr(char *argbuf)
1997 {
1998         char new_floor_name[256];
1999         struct floor flbuf;
2000         int cflr_ok;
2001         int free_slot = (-1);
2002         int a;
2003
2004         extract_token(new_floor_name, argbuf, 0, '|', sizeof new_floor_name);
2005         cflr_ok = extract_int(argbuf, 1);
2006
2007         if (CtdlAccessCheck(ac_aide)) return;
2008
2009         if (strlen(new_floor_name) == 0) {
2010                 cprintf("%d Blank floor name not allowed.\n",
2011                         ERROR + ILLEGAL_VALUE);
2012                 return;
2013         }
2014
2015         for (a = 0; a < MAXFLOORS; ++a) {
2016                 getfloor(&flbuf, a);
2017
2018                 /* note any free slots while we're scanning... */
2019                 if (((flbuf.f_flags & F_INUSE) == 0)
2020                     && (free_slot < 0))
2021                         free_slot = a;
2022
2023                 /* check to see if it already exists */
2024                 if ((!strcasecmp(flbuf.f_name, new_floor_name))
2025                     && (flbuf.f_flags & F_INUSE)) {
2026                         cprintf("%d Floor '%s' already exists.\n",
2027                                 ERROR + ALREADY_EXISTS,
2028                                 flbuf.f_name);
2029                         return;
2030                 }
2031         }
2032
2033         if (free_slot < 0) {
2034                 cprintf("%d There is no space available for a new floor.\n",
2035                         ERROR + INVALID_FLOOR_OPERATION);
2036                 return;
2037         }
2038         if (cflr_ok == 0) {
2039                 cprintf("%d ok to create...\n", CIT_OK);
2040                 return;
2041         }
2042         lgetfloor(&flbuf, free_slot);
2043         flbuf.f_flags = F_INUSE;
2044         flbuf.f_ref_count = 0;
2045         safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
2046         lputfloor(&flbuf, free_slot);
2047         cprintf("%d %d\n", CIT_OK, free_slot);
2048 }
2049
2050
2051
2052 /*
2053  * delete a floor
2054  */
2055 void cmd_kflr(char *argbuf)
2056 {
2057         struct floor flbuf;
2058         int floor_to_delete;
2059         int kflr_ok;
2060         int delete_ok;
2061
2062         floor_to_delete = extract_int(argbuf, 0);
2063         kflr_ok = extract_int(argbuf, 1);
2064
2065         if (CtdlAccessCheck(ac_aide)) return;
2066
2067         lgetfloor(&flbuf, floor_to_delete);
2068
2069         delete_ok = 1;
2070         if ((flbuf.f_flags & F_INUSE) == 0) {
2071                 cprintf("%d Floor %d not in use.\n",
2072                         ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
2073                 delete_ok = 0;
2074         } else {
2075                 if (flbuf.f_ref_count != 0) {
2076                         cprintf("%d Cannot delete; floor contains %d rooms.\n",
2077                                 ERROR + INVALID_FLOOR_OPERATION,
2078                                 flbuf.f_ref_count);
2079                         delete_ok = 0;
2080                 } else {
2081                         if (kflr_ok == 1) {
2082                                 cprintf("%d Ok\n", CIT_OK);
2083                         } else {
2084                                 cprintf("%d Ok to delete...\n", CIT_OK);
2085                         }
2086
2087                 }
2088
2089         }
2090
2091         if ((delete_ok == 1) && (kflr_ok == 1))
2092                 flbuf.f_flags = 0;
2093         lputfloor(&flbuf, floor_to_delete);
2094 }
2095
2096 /*
2097  * edit a floor
2098  */
2099 void cmd_eflr(char *argbuf)
2100 {
2101         struct floor flbuf;
2102         int floor_num;
2103         int np;
2104
2105         np = num_parms(argbuf);
2106         if (np < 1) {
2107                 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
2108                 return;
2109         }
2110
2111         if (CtdlAccessCheck(ac_aide)) return;
2112
2113         floor_num = extract_int(argbuf, 0);
2114         lgetfloor(&flbuf, floor_num);
2115         if ((flbuf.f_flags & F_INUSE) == 0) {
2116                 lputfloor(&flbuf, floor_num);
2117                 cprintf("%d Floor %d is not in use.\n",
2118                         ERROR + INVALID_FLOOR_OPERATION, floor_num);
2119                 return;
2120         }
2121         if (np >= 2)
2122                 extract_token(flbuf.f_name, argbuf, 1, '|', sizeof flbuf.f_name);
2123         lputfloor(&flbuf, floor_num);
2124
2125         cprintf("%d Ok\n", CIT_OK);
2126 }