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 total_messages = 0;
 770         int info = 0;
 771         int rmailflag;
 772         int raideflag;
 773         int newmailcount = 0;
 774         struct visit vbuf;
 775         char truncated_roomname[ROOMNAMELEN];
 776         struct cdbdata *cdbfr;
 777         long *msglist = NULL;
 778         int num_msgs = 0;
 779         unsigned int original_v_flags;
 780
 781         /* If the supplied room name is NULL, the caller wants us to know that
 782          * it has already copied the room record into CC->room, so
 783          * we can skip the extra database fetch.
 784          */
 785         if (where != NULL) {
 786                 safestrncpy(CC->room.QRname, where, sizeof CC->room.QRname);
 787                 getroom(&CC->room, where);
 788         }
 789
 790         /* Take care of all the formalities. */
 791
 792         begin_critical_section(S_USERS);
 793         CtdlGetRelationship(&vbuf, &CC->user, &CC->room);
 794         original_v_flags = vbuf.v_flags;
 795
 796         /* Know the room ... but not if it's the page log room, or if the
 797          * caller specified that we're only entering this room transiently.
 798          */
 799         if ((strcasecmp(CC->room.QRname, config.c_logpages))
 800            && (transiently == 0) ) {
 801                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
 802                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
 803         }
 804
 805         /* Only rewrite the database record if we changed something */
 806         if (vbuf.v_flags != original_v_flags) {
 807                 CtdlSetRelationship(&vbuf, &CC->user, &CC->room);
 808         }
 809         end_critical_section(S_USERS);
 810
 811         /* Check for new mail */
 812         newmailcount = NewMailCount();
 813
 814         /* set info to 1 if the user needs to read the room's info file */
 815         if (CC->room.QRinfo > vbuf.v_lastseen) {
 816                 info = 1;
 817         }
 818
 819         get_mm();
 820         cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
 821         if (cdbfr != NULL) {
 822                 msglist = malloc(cdbfr->len);
 823                 memcpy(msglist, cdbfr->ptr, cdbfr->len);
 824                 num_msgs = cdbfr->len / sizeof(long);
 825                 cdb_free(cdbfr);
 826         }
 827
 828         if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
 829                 if (msglist[a] > 0L) {
 830                         ++total_messages;
 831                         if (is_msg_in_sequence_set(vbuf.v_seen, msglist[a]) == 0) {
 832                                 ++new_messages;
 833                         }
 834                 }
 835         }
 836
 837         if (msglist != NULL) free(msglist);
 838
 839         if (CC->room.QRflags & QR_MAILBOX)
 840                 rmailflag = 1;
 841         else
 842                 rmailflag = 0;
 843
 844         if ((CC->room.QRroomaide == CC->user.usernum)
 845             || (CC->user.axlevel >= 6))
 846                 raideflag = 1;
 847         else
 848                 raideflag = 0;
 849
 850         safestrncpy(truncated_roomname, CC->room.QRname, sizeof truncated_roomname);
 851         if ( (CC->room.QRflags & QR_MAILBOX)
 852            && (atol(CC->room.QRname) == CC->user.usernum) ) {
 853                 safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
 854         }
 855
 856         if (retmsgs != NULL) *retmsgs = total_messages;
 857         if (retnew != NULL) *retnew = new_messages;
 858         lprintf(CTDL_DEBUG, "<%s> %d new of %d total messages\n",
 859                 CC->room.QRname,
 860                 new_messages, total_messages
 861         );
 862
 863         CC->curr_view = (int)vbuf.v_view;
 864
 865         if (display_result) {
 866                 cprintf("%d%c%s|%d|%d|%d|%d|%ld|%ld|%d|%d|%d|%d|%d|%d|\n",
 867                         CIT_OK, CtdlCheckExpress(),
 868                         truncated_roomname,
 869                         (int)new_messages,
 870                         (int)total_messages,
 871                         (int)info,
 872                         (int)CC->room.QRflags,
 873                         (long)CC->room.QRhighest,
 874                         (long)vbuf.v_lastseen,
 875                         (int)rmailflag,
 876                         (int)raideflag,
 877                         (int)newmailcount,
 878                         (int)CC->room.QRfloor,
 879                         (int)vbuf.v_view,
 880                         (int)CC->room.QRdefaultview
 881                 );
 882         }
 883 }
 884
 885
 886 /*
 887  * cmd_goto()  -  goto a new room
 888  */
 889 void cmd_goto(char *gargs)
 890 {
 891         struct ctdlroom QRscratch;
 892         int c;
 893         int ok = 0;
 894         int ra;
 895         char augmented_roomname[ROOMNAMELEN];
 896         char towhere[ROOMNAMELEN];
 897         char password[32];
 898         int transiently = 0;
 899
 900         if (CtdlAccessCheck(ac_logged_in)) return;
 901
 902         extract_token(towhere, gargs, 0, '|', sizeof towhere);
 903         extract_token(password, gargs, 1, '|', sizeof password);
 904         transiently = extract_int(gargs, 2);
 905
 906         getuser(&CC->user, CC->curr_user);
 907
 908         if (!strcasecmp(towhere, "_BASEROOM_"))
 909                 safestrncpy(towhere, config.c_baseroom, sizeof towhere);
 910
 911         if (!strcasecmp(towhere, "_MAIL_"))
 912                 safestrncpy(towhere, MAILROOM, sizeof towhere);
 913
 914         if (!strcasecmp(towhere, "_BITBUCKET_"))
 915                 safestrncpy(towhere, config.c_twitroom, sizeof towhere);
 916
 917
 918         /* First try a regular match */
 919         c = getroom(&QRscratch, towhere);
 920
 921         /* Then try a mailbox name match */
 922         if (c != 0) {
 923                 MailboxName(augmented_roomname, sizeof augmented_roomname,
 924                             &CC->user, towhere);
 925                 c = getroom(&QRscratch, augmented_roomname);
 926                 if (c == 0)
 927                         safestrncpy(towhere, augmented_roomname, sizeof towhere);
 928         }
 929
 930         /* And if the room was found... */
 931         if (c == 0) {
 932
 933                 /* Let internal programs go directly to any room. */
 934                 if (CC->internal_pgm) {
 935                         memcpy(&CC->room, &QRscratch,
 936                                 sizeof(struct ctdlroom));
 937                         usergoto(NULL, 1, transiently, NULL, NULL);
 938                         return;
 939                 }
 940
 941                 /* See if there is an existing user/room relationship */
 942                 CtdlRoomAccess(&QRscratch, &CC->user, &ra, NULL);
 943
 944                 /* normal clients have to pass through security */
 945                 if (ra & UA_GOTOALLOWED) {
 946                         ok = 1;
 947                 }
 948
 949                 if (ok == 1) {
 950                         if ((QRscratch.QRflags & QR_MAILBOX) &&
 951                             ((ra & UA_GOTOALLOWED))) {
 952                                 memcpy(&CC->room, &QRscratch,
 953                                         sizeof(struct ctdlroom));
 954                                 usergoto(NULL, 1, transiently, NULL, NULL);
 955                                 return;
 956                         } else if ((QRscratch.QRflags & QR_PASSWORDED) &&
 957                             ((ra & UA_KNOWN) == 0) &&
 958                             (strcasecmp(QRscratch.QRpasswd, password)) &&
 959                             (CC->user.axlevel < 6)
 960                             ) {
 961                                 cprintf("%d wrong or missing passwd\n",
 962                                         ERROR + PASSWORD_REQUIRED);
 963                                 return;
 964                         } else if ((QRscratch.QRflags & QR_PRIVATE) &&
 965                                    ((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
 966                                    ((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
 967                                    ((ra & UA_KNOWN) == 0) &&
 968                                    (CC->user.axlevel < 6)
 969                                   ) {
 970                                 lprintf(CTDL_DEBUG, "Failed to acquire private room\n");
 971                         } else {
 972                                 memcpy(&CC->room, &QRscratch,
 973                                         sizeof(struct ctdlroom));
 974                                 usergoto(NULL, 1, transiently, NULL, NULL);
 975                                 return;
 976                         }
 977                 }
 978         }
 979
 980         cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
 981 }
 982
 983
 984 void cmd_whok(void)
 985 {
 986         struct ctdluser temp;
 987         struct cdbdata *cdbus;
 988         int ra;
 989
 990         getuser(&CC->user, CC->curr_user);
 991
 992         /*
 993          * This command is only allowed by aides, room aides,
 994          * and room namespace owners
 995          */
 996         if (is_room_aide()
 997            || (atol(CC->room.QRname) == CC->user.usernum) ) {
 998                 /* access granted */
 999         }
1000         else {
1001                 /* access denied */
1002                 cprintf("%d Higher access or room ownership required.\n",
1003                         ERROR + HIGHER_ACCESS_REQUIRED);
1004                 return;
1005         }
1006
1007         cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
1008         cdb_rewind(CDB_USERS);
1009         while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
1010                 memset(&temp, 0, sizeof temp);
1011                 memcpy(&temp, cdbus->ptr, sizeof temp);
1012                 cdb_free(cdbus);
1013
1014                 CtdlRoomAccess(&CC->room, &temp, &ra, NULL);
1015                 if ((CC->room.QRflags & QR_INUSE)
1016                     && (ra & UA_KNOWN)
1017                     )
1018                         cprintf("%s\n", temp.fullname);
1019         }
1020         cprintf("000\n");
1021 }
1022
1023
1024 /*
1025  * RDIR command for room directory
1026  */
1027 void cmd_rdir(void)
1028 {
1029         char buf[256];
1030         char flnm[256];
1031         char comment[256];
1032         FILE *ls, *fd;
1033         struct stat statbuf;
1034         char tempfilename[PATH_MAX];
1035
1036         if (CtdlAccessCheck(ac_logged_in)) return;
1037         tmpnam(tempfilename);
1038
1039         getroom(&CC->room, CC->room.QRname);
1040         getuser(&CC->user, CC->curr_user);
1041
1042         if ((CC->room.QRflags & QR_DIRECTORY) == 0) {
1043                 cprintf("%d not here.\n", ERROR + NOT_HERE);
1044                 return;
1045         }
1046         if (((CC->room.QRflags & QR_VISDIR) == 0)
1047             && (CC->user.axlevel < 6)
1048             && (CC->user.usernum != CC->room.QRroomaide)) {
1049                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
1050                 return;
1051         }
1052         cprintf("%d %s|%s/files/%s\n",
1053         LISTING_FOLLOWS, config.c_fqdn, CTDLDIR, CC->room.QRdirname);
1054
1055         snprintf(buf, sizeof buf, "ls %s/files/%s  >%s 2> /dev/null",
1056                 CTDLDIR, CC->room.QRdirname, tempfilename);
1057         system(buf);
1058
1059         snprintf(buf, sizeof buf, "%s/files/%s/filedir", CTDLDIR, CC->room.QRdirname);
1060         fd = fopen(buf, "r");
1061         if (fd == NULL)
1062                 fd = fopen("/dev/null", "r");
1063
1064         ls = fopen(tempfilename, "r");
1065         while (fgets(flnm, sizeof flnm, ls) != NULL) {
1066                 flnm[strlen(flnm) - 1] = 0;
1067                 if (strcasecmp(flnm, "filedir")) {
1068                         snprintf(buf, sizeof buf, "%s/files/%s/%s",
1069                                 CTDLDIR, CC->room.QRdirname, flnm);
1070                         stat(buf, &statbuf);
1071                         safestrncpy(comment, "", sizeof comment);
1072                         fseek(fd, 0L, 0);
1073                         while ((fgets(buf, sizeof buf, fd) != NULL)
1074                                && (strlen(comment) == 0)) {
1075                                 buf[strlen(buf) - 1] = 0;
1076                                 if ((!strncasecmp(buf, flnm, strlen(flnm)))
1077                                     && (buf[strlen(flnm)] == ' '))
1078                                         safestrncpy(comment,
1079                                             &buf[strlen(flnm) + 1],
1080                                             sizeof comment);
1081                         }
1082                         cprintf("%s|%ld|%s\n", flnm, (long)statbuf.st_size, comment);
1083                 }
1084         }
1085         fclose(ls);
1086         fclose(fd);
1087         unlink(tempfilename);
1088
1089         cprintf("000\n");
1090 }
1091
1092 /*
1093  * get room parameters (aide or room aide command)
1094  */
1095 void cmd_getr(void)
1096 {
1097         if (CtdlAccessCheck(ac_room_aide)) return;
1098
1099         getroom(&CC->room, CC->room.QRname);
1100         cprintf("%d%c%s|%s|%s|%d|%d|%d|%d|%d|\n",
1101                 CIT_OK,
1102                 CtdlCheckExpress(),
1103
1104                 ((CC->room.QRflags & QR_MAILBOX) ?
1105                         &CC->room.QRname[11] : CC->room.QRname),
1106
1107                 ((CC->room.QRflags & QR_PASSWORDED) ?
1108                         CC->room.QRpasswd : ""),
1109
1110                 ((CC->room.QRflags & QR_DIRECTORY) ?
1111                         CC->room.QRdirname : ""),
1112
1113                 CC->room.QRflags,
1114                 (int) CC->room.QRfloor,
1115                 (int) CC->room.QRorder,
1116
1117                 CC->room.QRdefaultview,
1118                 CC->room.QRflags2
1119                 );
1120 }
1121
1122
1123 /*
1124  * Back end function to rename a room.
1125  * You can also specify which floor to move the room to, or specify -1 to
1126  * keep the room on the same floor it was on.
1127  *
1128  * If you are renaming a mailbox room, you must supply the namespace prefix
1129  * in *at least* the old name!
1130  */
1131 int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
1132         int old_floor = 0;
1133         struct ctdlroom qrbuf;
1134         struct ctdlroom qrtmp;
1135         int ret = 0;
1136         struct floor *fl;
1137         struct floor flbuf;
1138         long owner = 0L;
1139         char actual_old_name[ROOMNAMELEN];
1140
1141         lprintf(CTDL_DEBUG, "CtdlRenameRoom(%s, %s, %d)\n",
1142                 old_name, new_name, new_floor);
1143
1144         if (new_floor >= 0) {
1145                 fl = cgetfloor(new_floor);
1146                 if ((fl->f_flags & F_INUSE) == 0) {
1147                         return(crr_invalid_floor);
1148                 }
1149         }
1150
1151         begin_critical_section(S_ROOMS);
1152
1153         if ( (getroom(&qrtmp, new_name) == 0)
1154            && (strcasecmp(new_name, old_name)) ) {
1155                 ret = crr_already_exists;
1156         }
1157
1158         else if (getroom(&qrbuf, old_name) != 0) {
1159                 ret = crr_room_not_found;
1160         }
1161
1162         else if ( (CC->user.axlevel < 6)
1163                   && (CC->user.usernum != qrbuf.QRroomaide)
1164                   && ( (((qrbuf.QRflags & QR_MAILBOX) == 0) || (atol(qrbuf.QRname) != CC->user.usernum))) )  {
1165                 ret = crr_access_denied;
1166         }
1167
1168         else if (is_noneditable(&qrbuf)) {
1169                 ret = crr_noneditable;
1170         }
1171
1172         else {
1173                 /* Rename it */
1174                 safestrncpy(actual_old_name, qrbuf.QRname, sizeof actual_old_name);
1175                 if (qrbuf.QRflags & QR_MAILBOX) {
1176                         owner = atol(qrbuf.QRname);
1177                 }
1178                 if ( (owner > 0L) && (atol(new_name) == 0L) ) {
1179                         snprintf(qrbuf.QRname, sizeof(qrbuf.QRname),
1180                                         "%010ld.%s", owner, new_name);
1181                 }
1182                 else {
1183                         safestrncpy(qrbuf.QRname, new_name,
1184                                                 sizeof(qrbuf.QRname));
1185                 }
1186
1187                 /* Reject change of floor for baseroom/aideroom */
1188                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN) ||
1189                     !strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1190                         new_floor = 0;
1191                 }
1192
1193                 /* Take care of floor stuff */
1194                 old_floor = qrbuf.QRfloor;
1195                 if (new_floor < 0) {
1196                         new_floor = old_floor;
1197                 }
1198                 qrbuf.QRfloor = new_floor;
1199                 putroom(&qrbuf);
1200
1201                 begin_critical_section(S_CONFIG);
1202
1203                 /* If baseroom/aideroom name changes, update config */
1204                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN)) {
1205                         safestrncpy(config.c_baseroom, new_name, ROOMNAMELEN);
1206                         put_config();
1207                 }
1208                 if (!strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1209                         safestrncpy(config.c_aideroom, new_name, ROOMNAMELEN);
1210                         put_config();
1211                 }
1212
1213                 end_critical_section(S_CONFIG);
1214
1215                 /* If the room name changed, then there are now two room
1216                  * records, so we have to delete the old one.
1217                  */
1218                 if (strcasecmp(new_name, old_name)) {
1219                         b_deleteroom(actual_old_name);
1220                 }
1221
1222                 ret = crr_ok;
1223         }
1224
1225         end_critical_section(S_ROOMS);
1226
1227         /* Adjust the floor reference counts if necessary */
1228         if (new_floor != old_floor) {
1229                 lgetfloor(&flbuf, old_floor);
1230                 --flbuf.f_ref_count;
1231                 lputfloor(&flbuf, old_floor);
1232                 lprintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", old_floor, flbuf.f_ref_count);
1233                 lgetfloor(&flbuf, new_floor);
1234                 ++flbuf.f_ref_count;
1235                 lputfloor(&flbuf, new_floor);
1236                 lprintf(CTDL_DEBUG, "Reference count for floor %d is now %d\n", new_floor, flbuf.f_ref_count);
1237         }
1238
1239         /* ...and everybody say "YATTA!" */
1240         return(ret);
1241 }
1242
1243
1244 /*
1245  * set room parameters (aide or room aide command)
1246  */
1247 void cmd_setr(char *args)
1248 {
1249         char buf[256];
1250         int new_order = 0;
1251         int r;
1252         int new_floor;
1253         char new_name[ROOMNAMELEN];
1254
1255         if (CtdlAccessCheck(ac_logged_in)) return;
1256
1257         if (num_parms(args) >= 6) {
1258                 new_floor = extract_int(args, 5);
1259         } else {
1260                 new_floor = (-1);       /* don't change the floor */
1261         }
1262
1263         /* When is a new name more than just a new name?  When the old name
1264          * has a namespace prefix.
1265          */
1266         if (CC->room.QRflags & QR_MAILBOX) {
1267                 sprintf(new_name, "%010ld.", atol(CC->room.QRname) );
1268         } else {
1269                 safestrncpy(new_name, "", sizeof new_name);
1270         }
1271         extract_token(&new_name[strlen(new_name)], args, 0, '|', (sizeof new_name - strlen(new_name)));
1272
1273         r = CtdlRenameRoom(CC->room.QRname, new_name, new_floor);
1274
1275         if (r == crr_room_not_found) {
1276                 cprintf("%d Internal error - room not found?\n", ERROR + INTERNAL_ERROR);
1277         } else if (r == crr_already_exists) {
1278                 cprintf("%d '%s' already exists.\n",
1279                         ERROR + ALREADY_EXISTS, new_name);
1280         } else if (r == crr_noneditable) {
1281                 cprintf("%d Cannot edit this room.\n", ERROR + NOT_HERE);
1282         } else if (r == crr_invalid_floor) {
1283                 cprintf("%d Target floor does not exist.\n",
1284                         ERROR + INVALID_FLOOR_OPERATION);
1285         } else if (r == crr_access_denied) {
1286                 cprintf("%d You do not have permission to edit '%s'\n",
1287                         ERROR + HIGHER_ACCESS_REQUIRED,
1288                         CC->room.QRname);
1289         } else if (r != crr_ok) {
1290                 cprintf("%d Error: CtdlRenameRoom() returned %d\n",
1291                         ERROR + INTERNAL_ERROR, r);
1292         }
1293
1294         if (r != crr_ok) {
1295                 return;
1296         }
1297
1298         getroom(&CC->room, new_name);
1299
1300         /* Now we have to do a bunch of other stuff */
1301
1302         if (num_parms(args) >= 7) {
1303                 new_order = extract_int(args, 6);
1304                 if (new_order < 1)
1305                         new_order = 1;
1306                 if (new_order > 127)
1307                         new_order = 127;
1308         }
1309
1310         lgetroom(&CC->room, CC->room.QRname);
1311
1312         /* Directory room */
1313         extract_token(buf, args, 2, '|', sizeof buf);
1314         buf[15] = 0;
1315         safestrncpy(CC->room.QRdirname, buf,
1316                 sizeof CC->room.QRdirname);
1317
1318         /* Default view */
1319         if (num_parms(args) >= 8) {
1320                 CC->room.QRdefaultview = extract_int(args, 7);
1321         }
1322
1323         /* Second set of flags */
1324         if (num_parms(args) >= 9) {
1325                 CC->room.QRflags2 = extract_int(args, 8);
1326         }
1327
1328         /* Misc. flags */
1329         CC->room.QRflags = (extract_int(args, 3) | QR_INUSE);
1330         /* Clean up a client boo-boo: if the client set the room to
1331          * guess-name or passworded, ensure that the private flag is
1332          * also set.
1333          */
1334         if ((CC->room.QRflags & QR_GUESSNAME)
1335             || (CC->room.QRflags & QR_PASSWORDED))
1336                 CC->room.QRflags |= QR_PRIVATE;
1337
1338         /* Some changes can't apply to BASEROOM */
1339         if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1340                          ROOMNAMELEN)) {
1341                 CC->room.QRorder = 0;
1342                 CC->room.QRpasswd[0] = '\0';
1343                 CC->room.QRflags &= ~(QR_PRIVATE & QR_PASSWORDED &
1344                         QR_GUESSNAME & QR_PREFONLY & QR_MAILBOX);
1345                 CC->room.QRflags |= QR_PERMANENT;
1346         } else {
1347                 /* March order (doesn't apply to AIDEROOM) */
1348                 if (num_parms(args) >= 7)
1349                         CC->room.QRorder = (char) new_order;
1350                 /* Room password */
1351                 extract_token(buf, args, 1, '|', sizeof buf);
1352                 buf[10] = 0;
1353                 safestrncpy(CC->room.QRpasswd, buf,
1354                             sizeof CC->room.QRpasswd);
1355                 /* Kick everyone out if the client requested it
1356                  * (by changing the room's generation number)
1357                  */
1358                 if (extract_int(args, 4)) {
1359                         time(&CC->room.QRgen);
1360                 }
1361         }
1362         /* Some changes can't apply to AIDEROOM */
1363         if (!strncasecmp(CC->room.QRname, config.c_baseroom,
1364                          ROOMNAMELEN)) {
1365                 CC->room.QRorder = 0;
1366                 CC->room.QRflags &= ~QR_MAILBOX;
1367                 CC->room.QRflags |= QR_PERMANENT;
1368         }
1369
1370         /* Write the room record back to disk */
1371         lputroom(&CC->room);
1372
1373         /* Create a room directory if necessary */
1374         if (CC->room.QRflags & QR_DIRECTORY) {
1375                 snprintf(buf, sizeof buf, "./files/%s", CC->room.QRdirname);
1376                 mkdir(buf, 0755);
1377         }
1378         snprintf(buf, sizeof buf, "%s> edited by %s\n", CC->room.QRname, CC->curr_user);
1379         aide_message(buf);
1380         cprintf("%d Ok\n", CIT_OK);
1381 }
1382
1383
1384
1385 /*
1386  * get the name of the room aide for this room
1387  */
1388 void cmd_geta(void)
1389 {
1390         struct ctdluser usbuf;
1391
1392         if (CtdlAccessCheck(ac_logged_in)) return;
1393
1394         if (getuserbynumber(&usbuf, CC->room.QRroomaide) == 0) {
1395                 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
1396         } else {
1397                 cprintf("%d \n", CIT_OK);
1398         }
1399 }
1400
1401
1402 /*
1403  * set the room aide for this room
1404  */
1405 void cmd_seta(char *new_ra)
1406 {
1407         struct ctdluser usbuf;
1408         long newu;
1409         char buf[SIZ];
1410         int post_notice;
1411
1412         if (CtdlAccessCheck(ac_room_aide)) return;
1413
1414         if (getuser(&usbuf, new_ra) != 0) {
1415                 newu = (-1L);
1416         } else {
1417                 newu = usbuf.usernum;
1418         }
1419
1420         lgetroom(&CC->room, CC->room.QRname);
1421         post_notice = 0;
1422         if (CC->room.QRroomaide != newu) {
1423                 post_notice = 1;
1424         }
1425         CC->room.QRroomaide = newu;
1426         lputroom(&CC->room);
1427
1428         /*
1429          * We have to post the change notice _after_ writing changes to
1430          * the room table, otherwise it would deadlock!
1431          */
1432         if (post_notice == 1) {
1433                 if (strlen(usbuf.fullname) > 0)
1434                         snprintf(buf, sizeof buf,
1435                                 "%s is now room aide for %s>\n",
1436                                 usbuf.fullname, CC->room.QRname);
1437                 else
1438                         snprintf(buf, sizeof buf,
1439                                 "There is now no room aide for %s>\n",
1440                                 CC->room.QRname);
1441                 aide_message(buf);
1442         }
1443         cprintf("%d Ok\n", CIT_OK);
1444 }
1445
1446 /*
1447  * Generate an associated file name for a room
1448  */
1449 void assoc_file_name(char *buf, size_t n,
1450                      struct ctdlroom *qrbuf, const char *prefix)
1451 {
1452         snprintf(buf, n, "./%s/%ld", prefix, qrbuf->QRnumber);
1453 }
1454
1455 /*
1456  * retrieve info file for this room
1457  */
1458 void cmd_rinf(void)
1459 {
1460         char filename[128];
1461         char buf[SIZ];
1462         FILE *info_fp;
1463
1464         assoc_file_name(filename, sizeof filename, &CC->room, "info");
1465         info_fp = fopen(filename, "r");
1466
1467         if (info_fp == NULL) {
1468                 cprintf("%d No info file.\n", ERROR + FILE_NOT_FOUND);
1469                 return;
1470         }
1471         cprintf("%d Info:\n", LISTING_FOLLOWS);
1472         while (fgets(buf, sizeof buf, info_fp) != NULL) {
1473                 if (strlen(buf) > 0)
1474                         buf[strlen(buf) - 1] = 0;
1475                 cprintf("%s\n", buf);
1476         }
1477         cprintf("000\n");
1478         fclose(info_fp);
1479 }
1480
1481 /*
1482  * Asynchronously schedule a room for deletion.  The room will appear
1483  * deleted to the user(s), but it won't actually get purged from the
1484  * database until THE DREADED AUTO-PURGER makes its next run.
1485  */
1486 void schedule_room_for_deletion(struct ctdlroom *qrbuf)
1487 {
1488         char old_name[ROOMNAMELEN];
1489         static int seq = 0;
1490
1491         lprintf(CTDL_NOTICE, "Scheduling room <%s> for deletion\n",
1492                 qrbuf->QRname);
1493
1494         safestrncpy(old_name, qrbuf->QRname, sizeof old_name);
1495
1496         getroom(qrbuf, qrbuf->QRname);
1497
1498         /* Turn the room into a private mailbox owned by a user who doesn't
1499          * exist.  This will immediately make the room invisible to everyone,
1500          * and qualify the room for purging.
1501          */
1502         snprintf(qrbuf->QRname, sizeof qrbuf->QRname, "9999999999.%08lx.%04d.%s",
1503                 time(NULL),
1504                 ++seq,
1505                 old_name
1506         );
1507         qrbuf->QRflags |= QR_MAILBOX;
1508         time(&qrbuf->QRgen);    /* Use a timestamp as the new generation number  */
1509
1510         putroom(qrbuf);
1511
1512         b_deleteroom(old_name);
1513 }
1514
1515
1516
1517 /*
1518  * Back end processing to delete a room and everything associated with it
1519  * (This one is synchronous and should only get called by THE DREADED
1520  * AUTO-PURGER in serv_expire.c.  All user-facing code should call
1521  * the asynchronous schedule_room_for_deletion() instead.)
1522  */
1523 void delete_room(struct ctdlroom *qrbuf)
1524 {
1525         struct floor flbuf;
1526         char filename[100];
1527
1528         lprintf(CTDL_NOTICE, "Deleting room <%s>\n", qrbuf->QRname);
1529
1530         /* Delete the info file */
1531         assoc_file_name(filename, sizeof filename, qrbuf, "info");
1532         unlink(filename);
1533
1534         /* Delete the image file */
1535         assoc_file_name(filename, sizeof filename, qrbuf, "images");
1536         unlink(filename);
1537
1538         /* Delete the room's network config file */
1539         assoc_file_name(filename, sizeof filename, qrbuf, "netconfigs");
1540         unlink(filename);
1541
1542         /* Delete the messages in the room
1543          * (Careful: this opens an S_ROOMS critical section!)
1544          */
1545         CtdlDeleteMessages(qrbuf->QRname, 0L, "");
1546
1547         /* Flag the room record as not in use */
1548         lgetroom(qrbuf, qrbuf->QRname);
1549         qrbuf->QRflags = 0;
1550         lputroom(qrbuf);
1551
1552         /* then decrement the reference count for the floor */
1553         lgetfloor(&flbuf, (int) (qrbuf->QRfloor));
1554         flbuf.f_ref_count = flbuf.f_ref_count - 1;
1555         lputfloor(&flbuf, (int) (qrbuf->QRfloor));
1556
1557         /* Delete the room record from the database! */
1558         b_deleteroom(qrbuf->QRname);
1559 }
1560
1561
1562
1563 /*
1564  * Check access control for deleting a room
1565  */
1566 int CtdlDoIHavePermissionToDeleteThisRoom(struct ctdlroom *qr) {
1567
1568         if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1569                 return(0);
1570         }
1571
1572         if (is_noneditable(qr)) {
1573                 return(0);
1574         }
1575
1576         /*
1577          * For mailboxes, check stuff
1578          */
1579         if (qr->QRflags & QR_MAILBOX) {
1580
1581                 if (strlen(qr->QRname) < 12) return(0); /* bad name */
1582
1583                 if (atol(qr->QRname) != CC->user.usernum) {
1584                         return(0);      /* not my room */
1585                 }
1586
1587                 /* Can't delete your Mail> room */
1588                 if (!strcasecmp(&qr->QRname[12], MAILROOM)) return(0);
1589
1590                 /* Otherwise it's ok */
1591                 return(1);
1592         }
1593
1594         /*
1595          * For normal rooms, just check for aide or room aide status.
1596          */
1597         return(is_room_aide());
1598 }
1599
1600 /*
1601  * aide command: kill the current room
1602  */
1603 void cmd_kill(char *argbuf)
1604 {
1605         char deleted_room_name[ROOMNAMELEN];
1606         char msg[SIZ];
1607         int kill_ok;
1608
1609         kill_ok = extract_int(argbuf, 0);
1610
1611         if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->room) == 0) {
1612                 cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
1613                 return;
1614         }
1615         if (kill_ok) {
1616                 if (CC->room.QRflags & QR_MAILBOX) {
1617                         safestrncpy(deleted_room_name, &CC->room.QRname[11], sizeof deleted_room_name);
1618                 }
1619                 else {
1620                         safestrncpy(deleted_room_name, CC->room.QRname, sizeof deleted_room_name);
1621                 }
1622
1623                 /* Do the dirty work */
1624                 schedule_room_for_deletion(&CC->room);
1625
1626                 /* Return to the Lobby */
1627                 usergoto(config.c_baseroom, 0, 0, NULL, NULL);
1628
1629                 /* tell the world what we did */
1630                 snprintf(msg, sizeof msg, "%s> killed by %s\n",
1631                          deleted_room_name, CC->curr_user);
1632                 aide_message(msg);
1633                 cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
1634         } else {
1635                 cprintf("%d ok to delete.\n", CIT_OK);
1636         }
1637 }
1638
1639
1640 /*
1641  * Internal code to create a new room (returns room flags)
1642  *
1643  * Room types:  0=public, 1=guessname, 2=passworded, 3=inv-only,
1644  *              4=mailbox, 5=mailbox, but caller supplies namespace
1645  */
1646 unsigned create_room(char *new_room_name,
1647                      int new_room_type,
1648                      char *new_room_pass,
1649                      int new_room_floor,
1650                      int really_create,
1651                      int avoid_access,
1652                      int new_room_view)
1653 {
1654
1655         struct ctdlroom qrbuf;
1656         struct floor flbuf;
1657         struct visit vbuf;
1658
1659         lprintf(CTDL_DEBUG, "create_room(name=%s, type=%d, view=%d)\n",
1660                 new_room_name, new_room_type, new_room_view);
1661
1662         if (getroom(&qrbuf, new_room_name) == 0) {
1663                 lprintf(CTDL_DEBUG, "%s already exists.\n", new_room_name);
1664                 return(0);
1665         }
1666
1667         memset(&qrbuf, 0, sizeof(struct ctdlroom));
1668         safestrncpy(qrbuf.QRpasswd, new_room_pass, sizeof qrbuf.QRpasswd);
1669         qrbuf.QRflags = QR_INUSE;
1670         if (new_room_type > 0)
1671                 qrbuf.QRflags = (qrbuf.QRflags | QR_PRIVATE);
1672         if (new_room_type == 1)
1673                 qrbuf.QRflags = (qrbuf.QRflags | QR_GUESSNAME);
1674         if (new_room_type == 2)
1675                 qrbuf.QRflags = (qrbuf.QRflags | QR_PASSWORDED);
1676         if ( (new_room_type == 4) || (new_room_type == 5) )
1677                 qrbuf.QRflags = (qrbuf.QRflags | QR_MAILBOX);
1678
1679         /* If the user is requesting a personal room, set up the room
1680          * name accordingly (prepend the user number)
1681          */
1682         if (new_room_type == 4) {
1683                 MailboxName(qrbuf.QRname, sizeof qrbuf.QRname, &CC->user, new_room_name);
1684         }
1685         else {
1686                 safestrncpy(qrbuf.QRname, new_room_name, sizeof qrbuf.QRname);
1687         }
1688
1689         /* If the room is private, and the system administrator has elected
1690          * to automatically grant room aide privileges, do so now; otherwise,
1691          * set the room aide to undefined.
1692          */
1693         if ((qrbuf.QRflags & QR_PRIVATE) && (CREATAIDE == 1)) {
1694                 qrbuf.QRroomaide = CC->user.usernum;
1695         } else {
1696                 qrbuf.QRroomaide = (-1L);
1697         }
1698
1699         /*
1700          * If the caller is only interested in testing whether this will work,
1701          * return now without creating the room.
1702          */
1703         if (!really_create) return (qrbuf.QRflags);
1704
1705         qrbuf.QRnumber = get_new_room_number();
1706         qrbuf.QRhighest = 0L;   /* No messages in this room yet */
1707         time(&qrbuf.QRgen);     /* Use a timestamp as the generation number */
1708         qrbuf.QRfloor = new_room_floor;
1709         qrbuf.QRdefaultview = new_room_view;
1710
1711         /* save what we just did... */
1712         putroom(&qrbuf);
1713
1714         /* bump the reference count on whatever floor the room is on */
1715         lgetfloor(&flbuf, (int) qrbuf.QRfloor);
1716         flbuf.f_ref_count = flbuf.f_ref_count + 1;
1717         lputfloor(&flbuf, (int) qrbuf.QRfloor);
1718
1719         /* Grant the creator access to the room unless the avoid_access
1720          * parameter was specified.
1721          */
1722         if (avoid_access == 0) {
1723                 lgetuser(&CC->user, CC->curr_user);
1724                 CtdlGetRelationship(&vbuf, &CC->user, &qrbuf);
1725                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1726                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1727                 CtdlSetRelationship(&vbuf, &CC->user, &qrbuf);
1728                 lputuser(&CC->user);
1729         }
1730
1731         /* resume our happy day */
1732         return (qrbuf.QRflags);
1733 }
1734
1735
1736 /*
1737  * create a new room
1738  */
1739 void cmd_cre8(char *args)
1740 {
1741         int cre8_ok;
1742         char new_room_name[ROOMNAMELEN];
1743         int new_room_type;
1744         char new_room_pass[32];
1745         int new_room_floor;
1746         int new_room_view;
1747         char *notification_message = NULL;
1748         unsigned newflags;
1749         struct floor *fl;
1750         int avoid_access = 0;
1751
1752         cre8_ok = extract_int(args, 0);
1753         extract_token(new_room_name, args, 1, '|', sizeof new_room_name);
1754         new_room_name[ROOMNAMELEN - 1] = 0;
1755         new_room_type = extract_int(args, 2);
1756         extract_token(new_room_pass, args, 3, '|', sizeof new_room_pass);
1757         avoid_access = extract_int(args, 5);
1758         new_room_view = extract_int(args, 6);
1759         new_room_pass[9] = 0;
1760         new_room_floor = 0;
1761
1762         if ((strlen(new_room_name) == 0) && (cre8_ok == 1)) {
1763                 cprintf("%d Invalid room name.\n", ERROR + ILLEGAL_VALUE);
1764                 return;
1765         }
1766
1767         if (!strcasecmp(new_room_name, MAILROOM)) {
1768                 cprintf("%d '%s' already exists.\n",
1769                         ERROR + ALREADY_EXISTS, new_room_name);
1770                 return;
1771         }
1772
1773         if (num_parms(args) >= 5) {
1774                 fl = cgetfloor(extract_int(args, 4));
1775                 if (fl == NULL) {
1776                         cprintf("%d Invalid floor number.\n",
1777                                 ERROR + INVALID_FLOOR_OPERATION);
1778                         return;
1779                 }
1780                 else if ((fl->f_flags & F_INUSE) == 0) {
1781                         cprintf("%d Invalid floor number.\n",
1782                                 ERROR + INVALID_FLOOR_OPERATION);
1783                         return;
1784                 } else {
1785                         new_room_floor = extract_int(args, 4);
1786                 }
1787         }
1788
1789         if (CtdlAccessCheck(ac_logged_in)) return;
1790
1791         if (CC->user.axlevel < config.c_createax) {
1792                 cprintf("%d You need higher access to create rooms.\n",
1793                         ERROR + HIGHER_ACCESS_REQUIRED);
1794                 return;
1795         }
1796
1797         if ((strlen(new_room_name) == 0) && (cre8_ok == 0)) {
1798                 cprintf("%d Ok to create rooms.\n", CIT_OK);
1799                 return;
1800         }
1801
1802         if ((new_room_type < 0) || (new_room_type > 5)) {
1803                 cprintf("%d Invalid room type.\n", ERROR + ILLEGAL_VALUE);
1804                 return;
1805         }
1806
1807         if (new_room_type == 5) {
1808                 if (CC->user.axlevel < 6) {
1809                         cprintf("%d Higher access required\n",
1810                                 ERROR + HIGHER_ACCESS_REQUIRED);
1811                         return;
1812                 }
1813         }
1814
1815         /* Check to make sure the requested room name doesn't already exist */
1816         newflags = create_room(new_room_name,
1817                                 new_room_type, new_room_pass, new_room_floor,
1818                                 0, avoid_access, new_room_view);
1819         if (newflags == 0) {
1820                 cprintf("%d '%s' already exists.\n",
1821                         ERROR + ALREADY_EXISTS, new_room_name);
1822                 return;
1823         }
1824
1825         if (cre8_ok == 0) {
1826                 cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
1827                 return;
1828         }
1829
1830         /* If we reach this point, the room needs to be created. */
1831
1832         newflags = create_room(new_room_name,
1833                            new_room_type, new_room_pass, new_room_floor, 1, 0,
1834                            new_room_view);
1835
1836         /* post a message in Aide> describing the new room */
1837         notification_message = malloc(1024);
1838         snprintf(notification_message, 1024,
1839                 "%s> created by %s%s%s%s%s%s\n",
1840                 new_room_name,
1841                 CC->user.fullname,
1842                 ((newflags & QR_MAILBOX) ? " [personal]" : ""),
1843                 ((newflags & QR_PRIVATE) ? " [private]" : ""),
1844                 ((newflags & QR_GUESSNAME) ? " [hidden]" : ""),
1845                 ((newflags & QR_PASSWORDED) ? " Password: " : ""),
1846                 ((newflags & QR_PASSWORDED) ? new_room_pass : "")
1847         );
1848         aide_message(notification_message);
1849         free(notification_message);
1850
1851         cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
1852 }
1853
1854
1855
1856 void cmd_einf(char *ok)
1857 {                               /* enter info file for current room */
1858         FILE *fp;
1859         char infofilename[SIZ];
1860         char buf[SIZ];
1861
1862         unbuffer_output();
1863
1864         if (CtdlAccessCheck(ac_room_aide)) return;
1865
1866         if (atoi(ok) == 0) {
1867                 cprintf("%d Ok.\n", CIT_OK);
1868                 return;
1869         }
1870         assoc_file_name(infofilename, sizeof infofilename, &CC->room, "info");
1871         lprintf(CTDL_DEBUG, "opening\n");
1872         fp = fopen(infofilename, "w");
1873         lprintf(CTDL_DEBUG, "checking\n");
1874         if (fp == NULL) {
1875                 cprintf("%d Cannot open %s: %s\n",
1876                   ERROR + INTERNAL_ERROR, infofilename, strerror(errno));
1877                 return;
1878         }
1879         cprintf("%d Send info...\n", SEND_LISTING);
1880
1881         do {
1882                 client_getln(buf, sizeof buf);
1883                 if (strcmp(buf, "000"))
1884                         fprintf(fp, "%s\n", buf);
1885         } while (strcmp(buf, "000"));
1886         fclose(fp);
1887
1888         /* now update the room index so people will see our new info */
1889         lgetroom(&CC->room, CC->room.QRname);           /* lock so no one steps on us */
1890         CC->room.QRinfo = CC->room.QRhighest + 1L;
1891         lputroom(&CC->room);
1892 }
1893
1894
1895 /*
1896  * cmd_lflr()   -  List all known floors
1897  */
1898 void cmd_lflr(void)
1899 {
1900         int a;
1901         struct floor flbuf;
1902
1903         if (CtdlAccessCheck(ac_logged_in)) return;
1904
1905         cprintf("%d Known floors:\n", LISTING_FOLLOWS);
1906
1907         for (a = 0; a < MAXFLOORS; ++a) {
1908                 getfloor(&flbuf, a);
1909                 if (flbuf.f_flags & F_INUSE) {
1910                         cprintf("%d|%s|%d\n",
1911                                 a,
1912                                 flbuf.f_name,
1913                                 flbuf.f_ref_count);
1914                 }
1915         }
1916         cprintf("000\n");
1917 }
1918
1919
1920
1921 /*
1922  * create a new floor
1923  */
1924 void cmd_cflr(char *argbuf)
1925 {
1926         char new_floor_name[256];
1927         struct floor flbuf;
1928         int cflr_ok;
1929         int free_slot = (-1);
1930         int a;
1931
1932         extract_token(new_floor_name, argbuf, 0, '|', sizeof new_floor_name);
1933         cflr_ok = extract_int(argbuf, 1);
1934
1935         if (CtdlAccessCheck(ac_aide)) return;
1936
1937         if (strlen(new_floor_name) == 0) {
1938                 cprintf("%d Blank floor name not allowed.\n",
1939                         ERROR + ILLEGAL_VALUE);
1940                 return;
1941         }
1942
1943         for (a = 0; a < MAXFLOORS; ++a) {
1944                 getfloor(&flbuf, a);
1945
1946                 /* note any free slots while we're scanning... */
1947                 if (((flbuf.f_flags & F_INUSE) == 0)
1948                     && (free_slot < 0))
1949                         free_slot = a;
1950
1951                 /* check to see if it already exists */
1952                 if ((!strcasecmp(flbuf.f_name, new_floor_name))
1953                     && (flbuf.f_flags & F_INUSE)) {
1954                         cprintf("%d Floor '%s' already exists.\n",
1955                                 ERROR + ALREADY_EXISTS,
1956                                 flbuf.f_name);
1957                         return;
1958                 }
1959         }
1960
1961         if (free_slot < 0) {
1962                 cprintf("%d There is no space available for a new floor.\n",
1963                         ERROR + INVALID_FLOOR_OPERATION);
1964                 return;
1965         }
1966         if (cflr_ok == 0) {
1967                 cprintf("%d ok to create...\n", CIT_OK);
1968                 return;
1969         }
1970         lgetfloor(&flbuf, free_slot);
1971         flbuf.f_flags = F_INUSE;
1972         flbuf.f_ref_count = 0;
1973         safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
1974         lputfloor(&flbuf, free_slot);
1975         cprintf("%d %d\n", CIT_OK, free_slot);
1976 }
1977
1978
1979
1980 /*
1981  * delete a floor
1982  */
1983 void cmd_kflr(char *argbuf)
1984 {
1985         struct floor flbuf;
1986         int floor_to_delete;
1987         int kflr_ok;
1988         int delete_ok;
1989
1990         floor_to_delete = extract_int(argbuf, 0);
1991         kflr_ok = extract_int(argbuf, 1);
1992
1993         if (CtdlAccessCheck(ac_aide)) return;
1994
1995         lgetfloor(&flbuf, floor_to_delete);
1996
1997         delete_ok = 1;
1998         if ((flbuf.f_flags & F_INUSE) == 0) {
1999                 cprintf("%d Floor %d not in use.\n",
2000                         ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
2001                 delete_ok = 0;
2002         } else {
2003                 if (flbuf.f_ref_count != 0) {
2004                         cprintf("%d Cannot delete; floor contains %d rooms.\n",
2005                                 ERROR + INVALID_FLOOR_OPERATION,
2006                                 flbuf.f_ref_count);
2007                         delete_ok = 0;
2008                 } else {
2009                         if (kflr_ok == 1) {
2010                                 cprintf("%d Ok\n", CIT_OK);
2011                         } else {
2012                                 cprintf("%d Ok to delete...\n", CIT_OK);
2013                         }
2014
2015                 }
2016
2017         }
2018
2019         if ((delete_ok == 1) && (kflr_ok == 1))
2020                 flbuf.f_flags = 0;
2021         lputfloor(&flbuf, floor_to_delete);
2022 }
2023
2024 /*
2025  * edit a floor
2026  */
2027 void cmd_eflr(char *argbuf)
2028 {
2029         struct floor flbuf;
2030         int floor_num;
2031         int np;
2032
2033         np = num_parms(argbuf);
2034         if (np < 1) {
2035                 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
2036                 return;
2037         }
2038
2039         if (CtdlAccessCheck(ac_aide)) return;
2040
2041         floor_num = extract_int(argbuf, 0);
2042         lgetfloor(&flbuf, floor_num);
2043         if ((flbuf.f_flags & F_INUSE) == 0) {
2044                 lputfloor(&flbuf, floor_num);
2045                 cprintf("%d Floor %d is not in use.\n",
2046                         ERROR + INVALID_FLOOR_OPERATION, floor_num);
2047                 return;
2048         }
2049         if (np >= 2)
2050                 extract_token(flbuf.f_name, argbuf, 1, '|', sizeof flbuf.f_name);
2051         lputfloor(&flbuf, floor_num);
2052
2053         cprintf("%d Ok\n", CIT_OK);
2054 }