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 = malloc(cdbfr->len);
 828                 memcpy(msglist, cdbfr->ptr, cdbfr->len);
 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         if (!strcasecmp(towhere, "_BASEROOM_"))
 936                 safestrncpy(towhere, config.c_baseroom, sizeof towhere);
 937
 938         if (!strcasecmp(towhere, "_MAIL_"))
 939                 safestrncpy(towhere, MAILROOM, sizeof towhere);
 940
 941         if (!strcasecmp(towhere, "_BITBUCKET_"))
 942                 safestrncpy(towhere, config.c_twitroom, sizeof towhere);
 943
 944
 945         /* First try a regular match */
 946         c = getroom(&QRscratch, towhere);
 947
 948         /* Then try a mailbox name match */
 949         if (c != 0) {
 950                 MailboxName(augmented_roomname, sizeof augmented_roomname,
 951                             &CC->user, towhere);
 952                 c = getroom(&QRscratch, augmented_roomname);
 953                 if (c == 0)
 954                         safestrncpy(towhere, augmented_roomname, sizeof towhere);
 955         }
 956
 957         /* And if the room was found... */
 958         if (c == 0) {
 959
 960                 /* Let internal programs go directly to any room. */
 961                 if (CC->internal_pgm) {
 962                         memcpy(&CC->room, &QRscratch,
 963                                 sizeof(struct ctdlroom));
 964                         usergoto(NULL, 1, transiently, NULL, NULL);
 965                         return;
 966                 }
 967
 968                 /* See if there is an existing user/room relationship */
 969                 CtdlRoomAccess(&QRscratch, &CC->user, &ra, NULL);
 970
 971                 /* normal clients have to pass through security */
 972                 if (ra & UA_GOTOALLOWED) {
 973                         ok = 1;
 974                 }
 975
 976                 if (ok == 1) {
 977                         if ((QRscratch.QRflags & QR_MAILBOX) &&
 978                             ((ra & UA_GOTOALLOWED))) {
 979                                 memcpy(&CC->room, &QRscratch,
 980                                         sizeof(struct ctdlroom));
 981                                 usergoto(NULL, 1, transiently, NULL, NULL);
 982                                 return;
 983                         } else if ((QRscratch.QRflags & QR_PASSWORDED) &&
 984                             ((ra & UA_KNOWN) == 0) &&
 985                             (strcasecmp(QRscratch.QRpasswd, password)) &&
 986                             (CC->user.axlevel < 6)
 987                             ) {
 988                                 cprintf("%d wrong or missing passwd\n",
 989                                         ERROR + PASSWORD_REQUIRED);
 990                                 return;
 991                         } else if ((QRscratch.QRflags & QR_PRIVATE) &&
 992                                    ((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
 993                                    ((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
 994                                    ((ra & UA_KNOWN) == 0) &&
 995                                    (CC->user.axlevel < 6)
 996                                   ) {
 997                                 lprintf(CTDL_DEBUG, "Failed to acquire private room\n");
 998                         } else {
 999                                 memcpy(&CC->room, &QRscratch,
1000                                         sizeof(struct ctdlroom));
1001                                 usergoto(NULL, 1, transiently, NULL, NULL);
1002                                 return;
1003                         }
1004                 }
1005         }
1006
1007         cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
1008 }
1009
1010
1011 void cmd_whok(void)
1012 {
1013         struct ctdluser temp;
1014         struct cdbdata *cdbus;
1015         int ra;
1016
1017         getuser(&CC->user, CC->curr_user);
1018
1019         /*
1020          * This command is only allowed by aides, room aides,
1021          * and room namespace owners
1022          */
1023         if (is_room_aide()
1024            || (atol(CC->room.QRname) == CC->user.usernum) ) {
1025                 /* access granted */
1026         }
1027         else {
1028                 /* access denied */
1029                 cprintf("%d Higher access or room ownership required.\n",
1030                         ERROR + HIGHER_ACCESS_REQUIRED);
1031                 return;
1032         }
1033
1034         cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
1035         cdb_rewind(CDB_USERS);
1036         while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1037                 memset(&temp, 0, sizeof temp);
1038                 memcpy(&temp, cdbus->ptr, sizeof temp);
1039                 cdb_free(cdbus);
1040
1041                 CtdlRoomAccess(&CC->room, &temp, &ra, NULL);
1042                 if ((CC->room.QRflags & QR_INUSE)
1043                     && (ra & UA_KNOWN)
1044                     )
1045                         cprintf("%s\n", temp.fullname);
1046         }
1047         cprintf("000\n");
1048 }
1049
1050
1051 /*
1052  * RDIR command for room directory
1053  */
1054 void cmd_rdir(void)
1055 {
1056         char buf[256];
1057         char flnm[256];
1058         char comment[256];
1059         FILE *ls, *fd;
1060         struct stat statbuf;
1061         char tempfilename[PATH_MAX];
1062
1063         if (CtdlAccessCheck(ac_logged_in)) return;
1064         tmpnam(tempfilename);
1065
1066         getroom(&CC->room, CC->room.QRname);
1067         getuser(&CC->user, CC->curr_user);
1068
1069         if ((CC->room.QRflags & QR_DIRECTORY) == 0) {
1070                 cprintf("%d not here.\n", ERROR + NOT_HERE);
1071                 return;
1072         }
1073         if (((CC->room.QRflags & QR_VISDIR) == 0)
1074             && (CC->user.axlevel < 6)
1075             && (CC->user.usernum != CC->room.QRroomaide)) {
1076                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
1077                 return;
1078         }
1079         cprintf("%d %s|"
1080 #ifndef HAVE_DATA_DIR
1081                         "."
1082 #else
1083                         DATA_DIR
1084 #endif
1085                         "/files/%s\n",
1086                         LISTING_FOLLOWS, config.c_fqdn, CC->room.QRdirname);
1087
1088         snprintf(buf, sizeof buf, "ls "
1089 #ifndef HAVE_DATA_DIR
1090                          "."
1091 #else
1092                          DATA_DIR
1093 #endif
1094                          "/files/%s  >%s 2> /dev/null",
1095                          CC->room.QRdirname, tempfilename);
1096         system(buf);
1097
1098         snprintf(buf, sizeof buf,
1099 #ifndef HAVE_DATA_DIR
1100                          "."
1101 #else
1102                          DATA_DIR
1103 #endif
1104                          "/files/%s/filedir", CC->room.QRdirname);
1105         fd = fopen(buf, "r");
1106         if (fd == NULL)
1107                 fd = fopen("/dev/null", "r");
1108
1109         ls = fopen(tempfilename, "r");
1110         while (fgets(flnm, sizeof flnm, ls) != NULL) {
1111                 flnm[strlen(flnm) - 1] = 0;
1112                 if (strcasecmp(flnm, "filedir")) {
1113                         snprintf(buf, sizeof buf,
1114 #ifndef HAVE_DATA_DIR
1115                                          "."
1116 #else
1117                                          DATA_DIR
1118 #endif
1119                                          "/files/%s/%s",
1120                                          CC->room.QRdirname, flnm);
1121                         stat(buf, &statbuf);
1122                         safestrncpy(comment, "", sizeof comment);
1123                         fseek(fd, 0L, 0);
1124                         while ((fgets(buf, sizeof buf, fd) != NULL)
1125                                && (strlen(comment) == 0)) {
1126                                 buf[strlen(buf) - 1] = 0;
1127                                 if ((!strncasecmp(buf, flnm, strlen(flnm)))
1128                                     && (buf[strlen(flnm)] == ' '))
1129                                         safestrncpy(comment,
1130                                             &buf[strlen(flnm) + 1],
1131                                             sizeof comment);
1132                         }
1133                         cprintf("%s|%ld|%s\n", flnm, (long)statbuf.st_size, comment);
1134                 }
1135         }
1136         fclose(ls);
1137         fclose(fd);
1138         unlink(tempfilename);
1139
1140         cprintf("000\n");
1141 }
1142
1143 /*
1144  * get room parameters (aide or room aide command)
1145  */
1146 void cmd_getr(void)
1147 {
1148         if (CtdlAccessCheck(ac_room_aide)) return;
1149
1150         getroom(&CC->room, CC->room.QRname);
1151         cprintf("%d%c%s|%s|%s|%d|%d|%d|%d|%d|\n",
1152                 CIT_OK,
1153                 CtdlCheckExpress(),
1154
1155                 ((CC->room.QRflags & QR_MAILBOX) ?
1156                         &CC->room.QRname[11] : CC->room.QRname),
1157
1158                 ((CC->room.QRflags & QR_PASSWORDED) ?
1159                         CC->room.QRpasswd : ""),
1160
1161                 ((CC->room.QRflags & QR_DIRECTORY) ?
1162                         CC->room.QRdirname : ""),
1163
1164                 CC->room.QRflags,
1165                 (int) CC->room.QRfloor,
1166                 (int) CC->room.QRorder,
1167
1168                 CC->room.QRdefaultview,
1169                 CC->room.QRflags2
1170                 );
1171 }
1172
1173
1174 /*
1175  * Back end function to rename a room.
1176  * You can also specify which floor to move the room to, or specify -1 to
1177  * keep the room on the same floor it was on.
1178  *
1179  * If you are renaming a mailbox room, you must supply the namespace prefix
1180  * in *at least* the old name!
1181  */
1182 int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
1183         int old_floor = 0;
1184         struct ctdlroom qrbuf;
1185         struct ctdlroom qrtmp;
1186         int ret = 0;
1187         struct floor *fl;
1188         struct floor flbuf;
1189         long owner = 0L;
1190         char actual_old_name[ROOMNAMELEN];
1191
1192         lprintf(CTDL_DEBUG, "CtdlRenameRoom(%s, %s, %d)\n",
1193                 old_name, new_name, new_floor);
1194
1195         if (new_floor >= 0) {
1196                 fl = cgetfloor(new_floor);
1197                 if ((fl->f_flags & F_INUSE) == 0) {
1198                         return(crr_invalid_floor);
1199                 }
1200         }
1201
1202         begin_critical_section(S_ROOMS);
1203
1204         if ( (getroom(&qrtmp, new_name) == 0)
1205            && (strcasecmp(new_name, old_name)) ) {
1206                 ret = crr_already_exists;
1207         }
1208
1209         else if (getroom(&qrbuf, old_name) != 0) {
1210                 ret = crr_room_not_found;
1211         }
1212
1213         else if ( (CC->user.axlevel < 6)
1214                   && (CC->user.usernum != qrbuf.QRroomaide)
1215                   && ( (((qrbuf.QRflags & QR_MAILBOX) == 0) || (atol(qrbuf.QRname) != CC->user.usernum))) )  {
1216                 ret = crr_access_denied;
1217         }
1218
1219         else if (is_noneditable(&qrbuf)) {
1220                 ret = crr_noneditable;
1221         }
1222
1223         else {
1224                 /* Rename it */
1225                 safestrncpy(actual_old_name, qrbuf.QRname, sizeof actual_old_name);
1226                 if (qrbuf.QRflags & QR_MAILBOX) {
1227                         owner = atol(qrbuf.QRname);
1228                 }
1229                 if ( (owner > 0L) && (atol(new_name) == 0L) ) {
1230                         snprintf(qrbuf.QRname, sizeof(qrbuf.QRname),
1231                                         "%010ld.%s", owner, new_name);
1232                 }
1233                 else {
1234                         safestrncpy(qrbuf.QRname, new_name,
1235                                                 sizeof(qrbuf.QRname));
1236                 }
1237
1238                 /* Reject change of floor for baseroom/aideroom */
1239                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN) ||
1240                     !strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1241                         new_floor = 0;
1242                 }
1243
1244                 /* Take care of floor stuff */
1245                 old_floor = qrbuf.QRfloor;
1246                 if (new_floor < 0) {
1247                         new_floor = old_floor;
1248                 }
1249                 qrbuf.QRfloor = new_floor;
1250                 putroom(&qrbuf);
1251
1252                 begin_critical_section(S_CONFIG);
1253
1254                 /* If baseroom/aideroom name changes, update config */
1255                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN)) {
1256                         safestrncpy(config.c_baseroom, new_name, ROOMNAMELEN);
1257                         put_config();
1258                 }
1259                 if (!strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1260                         safestrncpy(config.c_aideroom, new_name, ROOMNAMELEN);
1261                         put_config();
1262                 }
1263
1264                 end_critical_section(S_CONFIG);
1265
1266                 /* If the room name changed, then there are now two room
1267                  * records, so we have to delete the old one.
1268                  */
1269                 if (strcasecmp(new_name, old_name)) {
1270                         b_deleteroom(actual_old_name);
1271                 }
1272
1273                 ret = crr_ok;
1274         }
1275
1276         end_critical_section(S_ROOMS);
1277
1278         /* Adjust the floor reference counts if necessary */
1279         if (new_floor != old_floor) {
1280                 lgetfloor(&flbuf, old_floor);
1281                 --flbuf.f_ref_count;
1282                 lputfloor(&flbuf, old_floor);
1283                 lprintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", old_floor, flbuf.f_ref_count);
1284                 lgetfloor(&flbuf, new_floor);
1285                 ++flbuf.f_ref_count;
1286                 lputfloor(&flbuf, new_floor);
1287                 lprintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", new_floor, flbuf.f_ref_count);
1288         }
1289
1290         /* ...and everybody say "YATTA!" */
1291         return(ret);
1292 }
1293
1294
1295 /*
1296  * set room parameters (aide or room aide command)
1297  */
1298 void cmd_setr(char *args)
1299 {
1300         char buf[256];
1301         int new_order = 0;
1302         int r;
1303         int new_floor;
1304         char new_name[ROOMNAMELEN];
1305
1306         if (CtdlAccessCheck(ac_logged_in)) return;
1307
1308         if (num_parms(args) >= 6) {
1309                 new_floor = extract_int(args, 5);
1310         } else {
1311                 new_floor = (-1);       /* don't change the floor */
1312         }
1313
1314         /* When is a new name more than just a new name?  When the old name
1315          * has a namespace prefix.
1316          */
1317         if (CC->room.QRflags & QR_MAILBOX) {
1318                 sprintf(new_name, "%010ld.", atol(CC->room.QRname) );
1319         } else {
1320                 safestrncpy(new_name, "", sizeof new_name);
1321         }
1322         extract_token(&new_name[strlen(new_name)], args, 0, '|', (sizeof new_name - strlen(new_name)));
1323
1324         r = CtdlRenameRoom(CC->room.QRname, new_name, new_floor);
1325
1326         if (r == crr_room_not_found) {
1327                 cprintf("%d Internal error - room not found?\n", ERROR + INTERNAL_ERROR);
1328         } else if (r == crr_already_exists) {
1329                 cprintf("%d '%s' already exists.\n",
1330                         ERROR + ALREADY_EXISTS, new_name);
1331         } else if (r == crr_noneditable) {
1332                 cprintf("%d Cannot edit this room.\n", ERROR + NOT_HERE);
1333         } else if (r == crr_invalid_floor) {
1334                 cprintf("%d Target floor does not exist.\n",
1335                         ERROR + INVALID_FLOOR_OPERATION);
1336         } else if (r == crr_access_denied) {
1337                 cprintf("%d You do not have permission to edit '%s'\n",
1338                         ERROR + HIGHER_ACCESS_REQUIRED,
1339                         CC->room.QRname);
1340         } else if (r != crr_ok) {
1341                 cprintf("%d Error: CtdlRenameRoom() returned %d\n",
1342                         ERROR + INTERNAL_ERROR, r);
1343         }
1344
1345         if (r != crr_ok) {
1346                 return;
1347         }
1348
1349         getroom(&CC->room, new_name);
1350
1351         /* Now we have to do a bunch of other stuff */
1352
1353         if (num_parms(args) >= 7) {
1354                 new_order = extract_int(args, 6);
1355                 if (new_order < 1)
1356                         new_order = 1;
1357                 if (new_order > 127)
1358                         new_order = 127;
1359         }
1360
1361         lgetroom(&CC->room, CC->room.QRname);
1362
1363         /* Directory room */
1364         extract_token(buf, args, 2, '|', sizeof buf);
1365         buf[15] = 0;
1366         safestrncpy(CC->room.QRdirname, buf,
1367                 sizeof CC->room.QRdirname);
1368
1369         /* Default view */
1370         if (num_parms(args) >= 8) {
1371                 CC->room.QRdefaultview = extract_int(args, 7);
1372         }
1373
1374         /* Second set of flags */
1375         if (num_parms(args) >= 9) {
1376                 CC->room.QRflags2 = extract_int(args, 8);
1377         }
1378
1379         /* Misc. flags */
1380         CC->room.QRflags = (extract_int(args, 3) | QR_INUSE);
1381         /* Clean up a client boo-boo: if the client set the room to
1382          * guess-name or passworded, ensure that the private flag is
1383          * also set.
1384          */
1385         if ((CC->room.QRflags & QR_GUESSNAME)
1386             || (CC->room.QRflags & QR_PASSWORDED))
1387                 CC->room.QRflags |= QR_PRIVATE;
1388
1389         /* Some changes can't apply to BASEROOM */
1390         if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1391                          ROOMNAMELEN)) {
1392                 CC->room.QRorder = 0;
1393                 CC->room.QRpasswd[0] = '\0';
1394                 CC->room.QRflags &= ~(QR_PRIVATE & QR_PASSWORDED &
1395                         QR_GUESSNAME & QR_PREFONLY & QR_MAILBOX);
1396                 CC->room.QRflags |= QR_PERMANENT;
1397         } else {
1398                 /* March order (doesn't apply to AIDEROOM) */
1399                 if (num_parms(args) >= 7)
1400                         CC->room.QRorder = (char) new_order;
1401                 /* Room password */
1402                 extract_token(buf, args, 1, '|', sizeof buf);
1403                 buf[10] = 0;
1404                 safestrncpy(CC->room.QRpasswd, buf,
1405                             sizeof CC->room.QRpasswd);
1406                 /* Kick everyone out if the client requested it
1407                  * (by changing the room's generation number)
1408                  */
1409                 if (extract_int(args, 4)) {
1410                         time(&CC->room.QRgen);
1411                 }
1412         }
1413         /* Some changes can't apply to AIDEROOM */
1414         if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1415                          ROOMNAMELEN)) {
1416                 CC->room.QRorder = 0;
1417                 CC->room.QRflags &= ~QR_MAILBOX;
1418                 CC->room.QRflags |= QR_PERMANENT;
1419         }
1420
1421         /* Write the room record back to disk */
1422         lputroom(&CC->room);
1423
1424         /* Create a room directory if necessary */
1425         if (CC->room.QRflags & QR_DIRECTORY) {
1426                 snprintf(buf, sizeof buf,
1427 #ifndef HAVE_DATA_DIR
1428                                  "."
1429 #else
1430                                  DATA_DIR
1431 #endif
1432                                  "/files/%s", CC->room.QRdirname);
1433                 mkdir(buf, 0755);
1434         }
1435         snprintf(buf, sizeof buf, "%s> edited by %s\n", CC->room.QRname, CC->curr_user);
1436         aide_message(buf);
1437         cprintf("%d Ok\n", CIT_OK);
1438 }
1439
1440
1441
1442 /*
1443  * get the name of the room aide for this room
1444  */
1445 void cmd_geta(void)
1446 {
1447         struct ctdluser usbuf;
1448
1449         if (CtdlAccessCheck(ac_logged_in)) return;
1450
1451         if (getuserbynumber(&usbuf, CC->room.QRroomaide) == 0) {
1452                 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
1453         } else {
1454                 cprintf("%d \n", CIT_OK);
1455         }
1456 }
1457
1458
1459 /*
1460  * set the room aide for this room
1461  */
1462 void cmd_seta(char *new_ra)
1463 {
1464         struct ctdluser usbuf;
1465         long newu;
1466         char buf[SIZ];
1467         int post_notice;
1468
1469         if (CtdlAccessCheck(ac_room_aide)) return;
1470
1471         if (getuser(&usbuf, new_ra) != 0) {
1472                 newu = (-1L);
1473         } else {
1474                 newu = usbuf.usernum;
1475         }
1476
1477         lgetroom(&CC->room, CC->room.QRname);
1478         post_notice = 0;
1479         if (CC->room.QRroomaide != newu) {
1480                 post_notice = 1;
1481         }
1482         CC->room.QRroomaide = newu;
1483         lputroom(&CC->room);
1484
1485         /*
1486          * We have to post the change notice _after_ writing changes to
1487          * the room table, otherwise it would deadlock!
1488          */
1489         if (post_notice == 1) {
1490                 if (strlen(usbuf.fullname) > 0)
1491                         snprintf(buf, sizeof buf,
1492                                 "%s is now room aide for %s>\n",
1493                                 usbuf.fullname, CC->room.QRname);
1494                 else
1495                         snprintf(buf, sizeof buf,
1496                                 "There is now no room aide for %s>\n",
1497                                 CC->room.QRname);
1498                 aide_message(buf);
1499         }
1500         cprintf("%d Ok\n", CIT_OK);
1501 }
1502
1503 /*
1504  * Generate an associated file name for a room
1505  */
1506 void assoc_file_name(char *buf, size_t n,
1507                      struct ctdlroom *qrbuf, const char *prefix)
1508 {
1509         snprintf(buf, n, "./%s/%ld", prefix, qrbuf->QRnumber);
1510 }
1511
1512 /*
1513  * retrieve info file for this room
1514  */
1515 void cmd_rinf(void)
1516 {
1517         char filename[128];
1518         char buf[SIZ];
1519         FILE *info_fp;
1520
1521         assoc_file_name(filename, sizeof filename, &CC->room, "info");
1522         info_fp = fopen(filename, "r");
1523
1524         if (info_fp == NULL) {
1525                 cprintf("%d No info file.\n", ERROR + FILE_NOT_FOUND);
1526                 return;
1527         }
1528         cprintf("%d Info:\n", LISTING_FOLLOWS);
1529         while (fgets(buf, sizeof buf, info_fp) != NULL) {
1530                 if (strlen(buf) > 0)
1531                         buf[strlen(buf) - 1] = 0;
1532                 cprintf("%s\n", buf);
1533         }
1534         cprintf("000\n");
1535         fclose(info_fp);
1536 }
1537
1538 /*
1539  * Asynchronously schedule a room for deletion.  The room will appear
1540  * deleted to the user(s), but it won't actually get purged from the
1541  * database until THE DREADED AUTO-PURGER makes its next run.
1542  */
1543 void schedule_room_for_deletion(struct ctdlroom *qrbuf)
1544 {
1545         char old_name[ROOMNAMELEN];
1546         static int seq = 0;
1547
1548         lprintf(CTDL_NOTICE, "Scheduling room <%s> for deletion\n",
1549                 qrbuf->QRname);
1550
1551         safestrncpy(old_name, qrbuf->QRname, sizeof old_name);
1552
1553         getroom(qrbuf, qrbuf->QRname);
1554
1555         /* Turn the room into a private mailbox owned by a user who doesn't
1556          * exist.  This will immediately make the room invisible to everyone,
1557          * and qualify the room for purging.
1558          */
1559         snprintf(qrbuf->QRname, sizeof qrbuf->QRname, "9999999999.%08lx.%04d.%s",
1560                 time(NULL),
1561                 ++seq,
1562                 old_name
1563         );
1564         qrbuf->QRflags |= QR_MAILBOX;
1565         time(&qrbuf->QRgen);    /* Use a timestamp as the new generation number  */
1566
1567         putroom(qrbuf);
1568
1569         b_deleteroom(old_name);
1570 }
1571
1572
1573
1574 /*
1575  * Back end processing to delete a room and everything associated with it
1576  * (This one is synchronous and should only get called by THE DREADED
1577  * AUTO-PURGER in serv_expire.c.  All user-facing code should call
1578  * the asynchronous schedule_room_for_deletion() instead.)
1579  */
1580 void delete_room(struct ctdlroom *qrbuf)
1581 {
1582         struct floor flbuf;
1583         char filename[100];
1584
1585         lprintf(CTDL_NOTICE, "Deleting room <%s>\n", qrbuf->QRname);
1586
1587         /* Delete the info file */
1588         assoc_file_name(filename, sizeof filename, qrbuf, "info");
1589         unlink(filename);
1590
1591         /* Delete the image file */
1592         assoc_file_name(filename, sizeof filename, qrbuf, "images");
1593         unlink(filename);
1594
1595         /* Delete the room's network config file */
1596         assoc_file_name(filename, sizeof filename, qrbuf, "netconfigs");
1597         unlink(filename);
1598
1599         /* Delete the messages in the room
1600          * (Careful: this opens an S_ROOMS critical section!)
1601          */
1602         CtdlDeleteMessages(qrbuf->QRname, 0L, "", 0);
1603
1604         /* Flag the room record as not in use */
1605         lgetroom(qrbuf, qrbuf->QRname);
1606         qrbuf->QRflags = 0;
1607         lputroom(qrbuf);
1608
1609         /* then decrement the reference count for the floor */
1610         lgetfloor(&flbuf, (int) (qrbuf->QRfloor));
1611         flbuf.f_ref_count = flbuf.f_ref_count - 1;
1612         lputfloor(&flbuf, (int) (qrbuf->QRfloor));
1613
1614         /* Delete the room record from the database! */
1615         b_deleteroom(qrbuf->QRname);
1616 }
1617
1618
1619
1620 /*
1621  * Check access control for deleting a room
1622  */
1623 int CtdlDoIHavePermissionToDeleteThisRoom(struct ctdlroom *qr) {
1624
1625         if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1626                 return(0);
1627         }
1628
1629         if (is_noneditable(qr)) {
1630                 return(0);
1631         }
1632
1633         /*
1634          * For mailboxes, check stuff
1635          */
1636         if (qr->QRflags & QR_MAILBOX) {
1637
1638                 if (strlen(qr->QRname) < 12) return(0); /* bad name */
1639
1640                 if (atol(qr->QRname) != CC->user.usernum) {
1641                         return(0);      /* not my room */
1642                 }
1643
1644                 /* Can't delete your Mail> room */
1645                 if (!strcasecmp(&qr->QRname[12], MAILROOM)) return(0);
1646
1647                 /* Otherwise it's ok */
1648                 return(1);
1649         }
1650
1651         /*
1652          * For normal rooms, just check for aide or room aide status.
1653          */
1654         return(is_room_aide());
1655 }
1656
1657 /*
1658  * aide command: kill the current room
1659  */
1660 void cmd_kill(char *argbuf)
1661 {
1662         char deleted_room_name[ROOMNAMELEN];
1663         char msg[SIZ];
1664         int kill_ok;
1665
1666         kill_ok = extract_int(argbuf, 0);
1667
1668         if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->room) == 0) {
1669                 cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
1670                 return;
1671         }
1672         if (kill_ok) {
1673                 if (CC->room.QRflags & QR_MAILBOX) {
1674                         safestrncpy(deleted_room_name, &CC->room.QRname[11], sizeof deleted_room_name);
1675                 }
1676                 else {
1677                         safestrncpy(deleted_room_name, CC->room.QRname, sizeof deleted_room_name);
1678                 }
1679
1680                 /* Do the dirty work */
1681                 schedule_room_for_deletion(&CC->room);
1682
1683                 /* Return to the Lobby */
1684                 usergoto(config.c_baseroom, 0, 0, NULL, NULL);
1685
1686                 /* tell the world what we did */
1687                 snprintf(msg, sizeof msg, "%s> killed by %s\n",
1688                          deleted_room_name, CC->curr_user);
1689                 aide_message(msg);
1690                 cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
1691         } else {
1692                 cprintf("%d ok to delete.\n", CIT_OK);
1693         }
1694 }
1695
1696
1697 /*
1698  * Internal code to create a new room (returns room flags)
1699  *
1700  * Room types:  0=public, 1=guessname, 2=passworded, 3=inv-only,
1701  *              4=mailbox, 5=mailbox, but caller supplies namespace
1702  */
1703 unsigned create_room(char *new_room_name,
1704                      int new_room_type,
1705                      char *new_room_pass,
1706                      int new_room_floor,
1707                      int really_create,
1708                      int avoid_access,
1709                      int new_room_view)
1710 {
1711
1712         struct ctdlroom qrbuf;
1713         struct floor flbuf;
1714         struct visit vbuf;
1715
1716         lprintf(CTDL_DEBUG, "create_room(name=%s, type=%d, view=%d)\n",
1717                 new_room_name, new_room_type, new_room_view);
1718
1719         if (getroom(&qrbuf, new_room_name) == 0) {
1720                 lprintf(CTDL_DEBUG, "%s already exists.\n", new_room_name);
1721                 return(0);
1722         }
1723
1724         memset(&qrbuf, 0, sizeof(struct ctdlroom));
1725         safestrncpy(qrbuf.QRpasswd, new_room_pass, sizeof qrbuf.QRpasswd);
1726         qrbuf.QRflags = QR_INUSE;
1727         if (new_room_type > 0)
1728                 qrbuf.QRflags = (qrbuf.QRflags | QR_PRIVATE);
1729         if (new_room_type == 1)
1730                 qrbuf.QRflags = (qrbuf.QRflags | QR_GUESSNAME);
1731         if (new_room_type == 2)
1732                 qrbuf.QRflags = (qrbuf.QRflags | QR_PASSWORDED);
1733         if ( (new_room_type == 4) || (new_room_type == 5) )
1734                 qrbuf.QRflags = (qrbuf.QRflags | QR_MAILBOX);
1735
1736         /* If the user is requesting a personal room, set up the room
1737          * name accordingly (prepend the user number)
1738          */
1739         if (new_room_type == 4) {
1740                 MailboxName(qrbuf.QRname, sizeof qrbuf.QRname, &CC->user, new_room_name);
1741         }
1742         else {
1743                 safestrncpy(qrbuf.QRname, new_room_name, sizeof qrbuf.QRname);
1744         }
1745
1746         /* If the room is private, and the system administrator has elected
1747          * to automatically grant room aide privileges, do so now; otherwise,
1748          * set the room aide to undefined.
1749          */
1750         if ((qrbuf.QRflags & QR_PRIVATE) && (CREATAIDE == 1)) {
1751                 qrbuf.QRroomaide = CC->user.usernum;
1752         } else {
1753                 qrbuf.QRroomaide = (-1L);
1754         }
1755
1756         /*
1757          * If the caller is only interested in testing whether this will work,
1758          * return now without creating the room.
1759          */
1760         if (!really_create) return (qrbuf.QRflags);
1761
1762         qrbuf.QRnumber = get_new_room_number();
1763         qrbuf.QRhighest = 0L;   /* No messages in this room yet */
1764         time(&qrbuf.QRgen);     /* Use a timestamp as the generation number */
1765         qrbuf.QRfloor = new_room_floor;
1766         qrbuf.QRdefaultview = new_room_view;
1767
1768         /* save what we just did... */
1769         putroom(&qrbuf);
1770
1771         /* bump the reference count on whatever floor the room is on */
1772         lgetfloor(&flbuf, (int) qrbuf.QRfloor);
1773         flbuf.f_ref_count = flbuf.f_ref_count + 1;
1774         lputfloor(&flbuf, (int) qrbuf.QRfloor);
1775
1776         /* Grant the creator access to the room unless the avoid_access
1777          * parameter was specified.
1778          */
1779         if (avoid_access == 0) {
1780                 lgetuser(&CC->user, CC->curr_user);
1781                 CtdlGetRelationship(&vbuf, &CC->user, &qrbuf);
1782                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1783                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1784                 CtdlSetRelationship(&vbuf, &CC->user, &qrbuf);
1785                 lputuser(&CC->user);
1786         }
1787
1788         /* resume our happy day */
1789         return (qrbuf.QRflags);
1790 }
1791
1792
1793 /*
1794  * create a new room
1795  */
1796 void cmd_cre8(char *args)
1797 {
1798         int cre8_ok;
1799         char new_room_name[ROOMNAMELEN];
1800         int new_room_type;
1801         char new_room_pass[32];
1802         int new_room_floor;
1803         int new_room_view;
1804         char *notification_message = NULL;
1805         unsigned newflags;
1806         struct floor *fl;
1807         int avoid_access = 0;
1808
1809         cre8_ok = extract_int(args, 0);
1810         extract_token(new_room_name, args, 1, '|', sizeof new_room_name);
1811         new_room_name[ROOMNAMELEN - 1] = 0;
1812         new_room_type = extract_int(args, 2);
1813         extract_token(new_room_pass, args, 3, '|', sizeof new_room_pass);
1814         avoid_access = extract_int(args, 5);
1815         new_room_view = extract_int(args, 6);
1816         new_room_pass[9] = 0;
1817         new_room_floor = 0;
1818
1819         if ((strlen(new_room_name) == 0) && (cre8_ok == 1)) {
1820                 cprintf("%d Invalid room name.\n", ERROR + ILLEGAL_VALUE);
1821                 return;
1822         }
1823
1824         if (!strcasecmp(new_room_name, MAILROOM)) {
1825                 cprintf("%d '%s' already exists.\n",
1826                         ERROR + ALREADY_EXISTS, new_room_name);
1827                 return;
1828         }
1829
1830         if (num_parms(args) >= 5) {
1831                 fl = cgetfloor(extract_int(args, 4));
1832                 if (fl == NULL) {
1833                         cprintf("%d Invalid floor number.\n",
1834                                 ERROR + INVALID_FLOOR_OPERATION);
1835                         return;
1836                 }
1837                 else if ((fl->f_flags & F_INUSE) == 0) {
1838                         cprintf("%d Invalid floor number.\n",
1839                                 ERROR + INVALID_FLOOR_OPERATION);
1840                         return;
1841                 } else {
1842                         new_room_floor = extract_int(args, 4);
1843                 }
1844         }
1845
1846         if (CtdlAccessCheck(ac_logged_in)) return;
1847
1848         if (CC->user.axlevel < config.c_createax) {
1849                 cprintf("%d You need higher access to create rooms.\n",
1850                         ERROR + HIGHER_ACCESS_REQUIRED);
1851                 return;
1852         }
1853
1854         if ((strlen(new_room_name) == 0) && (cre8_ok == 0)) {
1855                 cprintf("%d Ok to create rooms.\n", CIT_OK);
1856                 return;
1857         }
1858
1859         if ((new_room_type < 0) || (new_room_type > 5)) {
1860                 cprintf("%d Invalid room type.\n", ERROR + ILLEGAL_VALUE);
1861                 return;
1862         }
1863
1864         if (new_room_type == 5) {
1865                 if (CC->user.axlevel < 6) {
1866                         cprintf("%d Higher access required\n",
1867                                 ERROR + HIGHER_ACCESS_REQUIRED);
1868                         return;
1869                 }
1870         }
1871
1872         /* Check to make sure the requested room name doesn't already exist */
1873         newflags = create_room(new_room_name,
1874                                 new_room_type, new_room_pass, new_room_floor,
1875                                 0, avoid_access, new_room_view);
1876         if (newflags == 0) {
1877                 cprintf("%d '%s' already exists.\n",
1878                         ERROR + ALREADY_EXISTS, new_room_name);
1879                 return;
1880         }
1881
1882         if (cre8_ok == 0) {
1883                 cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
1884                 return;
1885         }
1886
1887         /* If we reach this point, the room needs to be created. */
1888
1889         newflags = create_room(new_room_name,
1890                            new_room_type, new_room_pass, new_room_floor, 1, 0,
1891                            new_room_view);
1892
1893         /* post a message in Aide> describing the new room */
1894         notification_message = malloc(1024);
1895         snprintf(notification_message, 1024,
1896                 "%s> created by %s%s%s%s%s%s\n",
1897                 new_room_name,
1898                 CC->user.fullname,
1899                 ((newflags & QR_MAILBOX) ? " [personal]" : ""),
1900                 ((newflags & QR_PRIVATE) ? " [private]" : ""),
1901                 ((newflags & QR_GUESSNAME) ? " [hidden]" : ""),
1902                 ((newflags & QR_PASSWORDED) ? " Password: " : ""),
1903                 ((newflags & QR_PASSWORDED) ? new_room_pass : "")
1904         );
1905         aide_message(notification_message);
1906         free(notification_message);
1907
1908         cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
1909 }
1910
1911
1912
1913 void cmd_einf(char *ok)
1914 {                               /* enter info file for current room */
1915         FILE *fp;
1916         char infofilename[SIZ];
1917         char buf[SIZ];
1918
1919         unbuffer_output();
1920
1921         if (CtdlAccessCheck(ac_room_aide)) return;
1922
1923         if (atoi(ok) == 0) {
1924                 cprintf("%d Ok.\n", CIT_OK);
1925                 return;
1926         }
1927         assoc_file_name(infofilename, sizeof infofilename, &CC->room, "info");
1928         lprintf(CTDL_DEBUG, "opening\n");
1929         fp = fopen(infofilename, "w");
1930         lprintf(CTDL_DEBUG, "checking\n");
1931         if (fp == NULL) {
1932                 cprintf("%d Cannot open %s: %s\n",
1933                   ERROR + INTERNAL_ERROR, infofilename, strerror(errno));
1934                 return;
1935         }
1936         cprintf("%d Send info...\n", SEND_LISTING);
1937
1938         do {
1939                 client_getln(buf, sizeof buf);
1940                 if (strcmp(buf, "000"))
1941                         fprintf(fp, "%s\n", buf);
1942         } while (strcmp(buf, "000"));
1943         fclose(fp);
1944
1945         /* now update the room index so people will see our new info */
1946         lgetroom(&CC->room, CC->room.QRname);           /* lock so no one steps on us */
1947         CC->room.QRinfo = CC->room.QRhighest + 1L;
1948         lputroom(&CC->room);
1949 }
1950
1951
1952 /*
1953  * cmd_lflr()   -  List all known floors
1954  */
1955 void cmd_lflr(void)
1956 {
1957         int a;
1958         struct floor flbuf;
1959
1960         if (CtdlAccessCheck(ac_logged_in)) return;
1961
1962         cprintf("%d Known floors:\n", LISTING_FOLLOWS);
1963
1964         for (a = 0; a < MAXFLOORS; ++a) {
1965                 getfloor(&flbuf, a);
1966                 if (flbuf.f_flags & F_INUSE) {
1967                         cprintf("%d|%s|%d\n",
1968                                 a,
1969                                 flbuf.f_name,
1970                                 flbuf.f_ref_count);
1971                 }
1972         }
1973         cprintf("000\n");
1974 }
1975
1976
1977
1978 /*
1979  * create a new floor
1980  */
1981 void cmd_cflr(char *argbuf)
1982 {
1983         char new_floor_name[256];
1984         struct floor flbuf;
1985         int cflr_ok;
1986         int free_slot = (-1);
1987         int a;
1988
1989         extract_token(new_floor_name, argbuf, 0, '|', sizeof new_floor_name);
1990         cflr_ok = extract_int(argbuf, 1);
1991
1992         if (CtdlAccessCheck(ac_aide)) return;
1993
1994         if (strlen(new_floor_name) == 0) {
1995                 cprintf("%d Blank floor name not allowed.\n",
1996                         ERROR + ILLEGAL_VALUE);
1997                 return;
1998         }
1999
2000         for (a = 0; a < MAXFLOORS; ++a) {
2001                 getfloor(&flbuf, a);
2002
2003                 /* note any free slots while we're scanning... */
2004                 if (((flbuf.f_flags & F_INUSE) == 0)
2005                     && (free_slot < 0))
2006                         free_slot = a;
2007
2008                 /* check to see if it already exists */
2009                 if ((!strcasecmp(flbuf.f_name, new_floor_name))
2010                     && (flbuf.f_flags & F_INUSE)) {
2011                         cprintf("%d Floor '%s' already exists.\n",
2012                                 ERROR + ALREADY_EXISTS,
2013                                 flbuf.f_name);
2014                         return;
2015                 }
2016         }
2017
2018         if (free_slot < 0) {
2019                 cprintf("%d There is no space available for a new floor.\n",
2020                         ERROR + INVALID_FLOOR_OPERATION);
2021                 return;
2022         }
2023         if (cflr_ok == 0) {
2024                 cprintf("%d ok to create...\n", CIT_OK);
2025                 return;
2026         }
2027         lgetfloor(&flbuf, free_slot);
2028         flbuf.f_flags = F_INUSE;
2029         flbuf.f_ref_count = 0;
2030         safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
2031         lputfloor(&flbuf, free_slot);
2032         cprintf("%d %d\n", CIT_OK, free_slot);
2033 }
2034
2035
2036
2037 /*
2038  * delete a floor
2039  */
2040 void cmd_kflr(char *argbuf)
2041 {
2042         struct floor flbuf;
2043         int floor_to_delete;
2044         int kflr_ok;
2045         int delete_ok;
2046
2047         floor_to_delete = extract_int(argbuf, 0);
2048         kflr_ok = extract_int(argbuf, 1);
2049
2050         if (CtdlAccessCheck(ac_aide)) return;
2051
2052         lgetfloor(&flbuf, floor_to_delete);
2053
2054         delete_ok = 1;
2055         if ((flbuf.f_flags & F_INUSE) == 0) {
2056                 cprintf("%d Floor %d not in use.\n",
2057                         ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
2058                 delete_ok = 0;
2059         } else {
2060                 if (flbuf.f_ref_count != 0) {
2061                         cprintf("%d Cannot delete; floor contains %d rooms.\n",
2062                                 ERROR + INVALID_FLOOR_OPERATION,
2063                                 flbuf.f_ref_count);
2064                         delete_ok = 0;
2065                 } else {
2066                         if (kflr_ok == 1) {
2067                                 cprintf("%d Ok\n", CIT_OK);
2068                         } else {
2069                                 cprintf("%d Ok to delete...\n", CIT_OK);
2070                         }
2071
2072                 }
2073
2074         }
2075
2076         if ((delete_ok == 1) && (kflr_ok == 1))
2077                 flbuf.f_flags = 0;
2078         lputfloor(&flbuf, floor_to_delete);
2079 }
2080
2081 /*
2082  * edit a floor
2083  */
2084 void cmd_eflr(char *argbuf)
2085 {
2086         struct floor flbuf;
2087         int floor_num;
2088         int np;
2089
2090         np = num_parms(argbuf);
2091         if (np < 1) {
2092                 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
2093                 return;
2094         }
2095
2096         if (CtdlAccessCheck(ac_aide)) return;
2097
2098         floor_num = extract_int(argbuf, 0);
2099         lgetfloor(&flbuf, floor_num);
2100         if ((flbuf.f_flags & F_INUSE) == 0) {
2101                 lputfloor(&flbuf, floor_num);
2102                 cprintf("%d Floor %d is not in use.\n",
2103                         ERROR + INVALID_FLOOR_OPERATION, floor_num);
2104                 return;
2105         }
2106         if (np >= 2)
2107                 extract_token(flbuf.f_name, argbuf, 1, '|', sizeof flbuf.f_name);
2108         lputfloor(&flbuf, floor_num);
2109
2110         cprintf("%d Ok\n", CIT_OK);
2111 }