citadel/room_ops.c

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