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