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 void usergoto(char *where, int display_result, int *retmsgs, int *retnew)
 693 {
 694         int a;
 695         int new_messages = 0;
 696         int total_messages = 0;
 697         int info = 0;
 698         int rmailflag;
 699         int raideflag;
 700         int newmailcount = 0;
 701         struct visit vbuf;
 702         char truncated_roomname[ROOMNAMELEN];
 703         struct cdbdata *cdbfr;
 704         long *msglist = NULL;
 705         int num_msgs = 0;
 706
 707         strcpy(CC->quickroom.QRname, where);
 708         getroom(&CC->quickroom, where);
 709
 710         lgetuser(&CC->usersupp, CC->curr_user);
 711         CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 712
 713         /* Know the room ... but not if it's the page log room */
 714         if (strcasecmp(where, config.c_logpages)) {
 715                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
 716                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
 717         }
 718         CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 719         lputuser(&CC->usersupp);
 720
 721         /* check for new mail */
 722         newmailcount = NewMailCount();
 723
 724         /* set info to 1 if the user needs to read the room's info file */
 725         if (CC->quickroom.QRinfo > vbuf.v_lastseen)
 726                 info = 1;
 727
 728         get_mm();
 729         cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
 730         if (cdbfr != NULL) {
 731                 msglist = mallok(cdbfr->len);
 732                 memcpy(msglist, cdbfr->ptr, cdbfr->len);
 733                 num_msgs = cdbfr->len / sizeof(long);
 734                 cdb_free(cdbfr);
 735         }
 736
 737         if (num_msgs > 0) for (a = 0; a < num_msgs; ++a) {
 738                 if (msglist[a] > 0L) {
 739                         ++total_messages;
 740                         if (is_msg_in_mset(vbuf.v_seen, msglist[a]) == 0) {
 741                                 ++new_messages;
 742                         }
 743                 }
 744         }
 745
 746         if (msglist != NULL) phree(msglist);
 747
 748         if (CC->quickroom.QRflags & QR_MAILBOX)
 749                 rmailflag = 1;
 750         else
 751                 rmailflag = 0;
 752
 753         if ((CC->quickroom.QRroomaide == CC->usersupp.usernum)
 754             || (CC->usersupp.axlevel >= 6))
 755                 raideflag = 1;
 756         else
 757                 raideflag = 0;
 758
 759         strcpy(truncated_roomname, CC->quickroom.QRname);
 760         if ( (CC->quickroom.QRflags & QR_MAILBOX)
 761            && (atol(CC->quickroom.QRname) == CC->usersupp.usernum) ) {
 762                 strcpy(truncated_roomname, &truncated_roomname[11]);
 763         }
 764
 765         if (retmsgs != NULL) *retmsgs = total_messages;
 766         if (retnew != NULL) *retnew = new_messages;
 767         lprintf(9, "<%s> %d new of %d total messages\n",
 768                 CC->quickroom.QRname, new_messages, total_messages);
 769
 770         if (display_result)
 771                 cprintf("%d%c%s|%d|%d|%d|%d|%ld|%ld|%d|%d|%d|%d|%d\n",
 772                         CIT_OK, CtdlCheckExpress(),
 773                         truncated_roomname,
 774                         new_messages, total_messages,
 775                         info, CC->quickroom.QRflags,
 776                         CC->quickroom.QRhighest,
 777                         vbuf.v_lastseen,
 778                         rmailflag, raideflag, newmailcount,
 779                         CC->quickroom.QRfloor,
 780                         vbuf.v_view);
 781 }
 782
 783
 784 /*
 785  * cmd_goto()  -  goto a new room
 786  */
 787 void cmd_goto(char *gargs)
 788 {
 789         struct quickroom QRscratch;
 790         int c;
 791         int ok = 0;
 792         int ra;
 793         char augmented_roomname[SIZ];
 794         char towhere[SIZ];
 795         char password[SIZ];
 796
 797         if (CtdlAccessCheck(ac_logged_in)) return;
 798
 799         extract(towhere, gargs, 0);
 800         extract(password, gargs, 1);
 801
 802         getuser(&CC->usersupp, CC->curr_user);
 803
 804         if (!strcasecmp(towhere, "_BASEROOM_"))
 805                 strcpy(towhere, BASEROOM);
 806
 807         if (!strcasecmp(towhere, "_MAIL_"))
 808                 strcpy(towhere, MAILROOM);
 809
 810         if (!strcasecmp(towhere, "_BITBUCKET_"))
 811                 strcpy(towhere, config.c_twitroom);
 812
 813
 814         /* First try a regular match */
 815         c = getroom(&QRscratch, towhere);
 816
 817         /* Then try a mailbox name match */
 818         if (c != 0) {
 819                 MailboxName(augmented_roomname, sizeof augmented_roomname,
 820                             &CC->usersupp, towhere);
 821                 c = getroom(&QRscratch, augmented_roomname);
 822                 if (c == 0)
 823                         strcpy(towhere, augmented_roomname);
 824         }
 825
 826         /* And if the room was found... */
 827         if (c == 0) {
 828
 829                 /* let internal programs go directly to any room */
 830                 if (CC->internal_pgm) {
 831                         usergoto(towhere, 1, NULL, NULL);
 832                         return;
 833                 }
 834
 835                 /* See if there is an existing user/room relationship */
 836                 ra = CtdlRoomAccess(&QRscratch, &CC->usersupp);
 837
 838                 /* normal clients have to pass through security */
 839                 if (ra & UA_GOTOALLOWED) {
 840                         ok = 1;
 841                 }
 842
 843                 if (ok == 1) {
 844                         if ((QRscratch.QRflags & QR_MAILBOX) &&
 845                             ((ra & UA_GOTOALLOWED))) {
 846                                 usergoto(towhere, 1, NULL, NULL);
 847                                 return;
 848                         } else if ((QRscratch.QRflags & QR_PASSWORDED) &&
 849                             ((ra & UA_KNOWN) == 0) &&
 850                             (strcasecmp(QRscratch.QRpasswd, password)) &&
 851                             (CC->usersupp.axlevel < 6)
 852                             ) {
 853                                 cprintf("%d wrong or missing passwd\n",
 854                                         ERROR + PASSWORD_REQUIRED);
 855                                 return;
 856                         } else if ((QRscratch.QRflags & QR_PRIVATE) &&
 857                                    ((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
 858                                    ((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
 859                                    ((ra & UA_KNOWN) == 0) &&
 860                                    (CC->usersupp.axlevel < 6)
 861                                   ) {
 862                                 lprintf(9, "Failed to acquire private room\n");
 863                                 goto NOPE;
 864                         } else {
 865                                 usergoto(towhere, 1, NULL, NULL);
 866                                 return;
 867                         }
 868                 }
 869         }
 870
 871 NOPE:   cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
 872 }
 873
 874
 875 void cmd_whok(void)
 876 {
 877         struct usersupp temp;
 878         struct cdbdata *cdbus;
 879
 880         getuser(&CC->usersupp, CC->curr_user);
 881
 882         /*
 883          * This command is only allowed by aides, room aides,
 884          * and room namespace owners
 885          */
 886         if (is_room_aide()
 887            || (atol(CC->quickroom.QRname) == CC->usersupp.usernum) ) {
 888                 /* access granted */
 889         }
 890         else {
 891                 /* access denied */
 892                 cprintf("%d Higher access or room ownership required.\n",
 893                         ERROR + HIGHER_ACCESS_REQUIRED);
 894                 return;
 895         }
 896
 897         cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
 898         cdb_rewind(CDB_USERSUPP);
 899         while (cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 900                 memset(&temp, 0, sizeof temp);
 901                 memcpy(&temp, cdbus->ptr, sizeof temp);
 902                 cdb_free(cdbus);
 903
 904                 if ((CC->quickroom.QRflags & QR_INUSE)
 905                     && (CtdlRoomAccess(&CC->quickroom, &temp) & UA_KNOWN)
 906                     )
 907                         cprintf("%s\n", temp.fullname);
 908         }
 909         cprintf("000\n");
 910 }
 911
 912
 913 /*
 914  * RDIR command for room directory
 915  */
 916 void cmd_rdir(void)
 917 {
 918         char buf[SIZ];
 919         char flnm[SIZ];
 920         char comment[SIZ];
 921         FILE *ls, *fd;
 922         struct stat statbuf;
 923
 924         if (CtdlAccessCheck(ac_logged_in)) return;
 925
 926         getroom(&CC->quickroom, CC->quickroom.QRname);
 927         getuser(&CC->usersupp, CC->curr_user);
 928
 929         if ((CC->quickroom.QRflags & QR_DIRECTORY) == 0) {
 930                 cprintf("%d not here.\n", ERROR + NOT_HERE);
 931                 return;
 932         }
 933         if (((CC->quickroom.QRflags & QR_VISDIR) == 0)
 934             && (CC->usersupp.axlevel < 6)
 935             && (CC->usersupp.usernum != CC->quickroom.QRroomaide)) {
 936                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
 937                 return;
 938         }
 939         cprintf("%d %s|%s/files/%s\n",
 940         LISTING_FOLLOWS, config.c_fqdn, BBSDIR, CC->quickroom.QRdirname);
 941
 942         snprintf(buf, sizeof buf, "ls %s/files/%s  >%s 2> /dev/null",
 943                 BBSDIR, CC->quickroom.QRdirname, CC->temp);
 944         system(buf);
 945
 946         snprintf(buf, sizeof buf, "%s/files/%s/filedir", BBSDIR, CC->quickroom.QRdirname);
 947         fd = fopen(buf, "r");
 948         if (fd == NULL)
 949                 fd = fopen("/dev/null", "r");
 950
 951         ls = fopen(CC->temp, "r");
 952         while (fgets(flnm, sizeof flnm, ls) != NULL) {
 953                 flnm[strlen(flnm) - 1] = 0;
 954                 if (strcasecmp(flnm, "filedir")) {
 955                         snprintf(buf, sizeof buf, "%s/files/%s/%s",
 956                                 BBSDIR, CC->quickroom.QRdirname, flnm);
 957                         stat(buf, &statbuf);
 958                         strcpy(comment, "");
 959                         fseek(fd, 0L, 0);
 960                         while ((fgets(buf, sizeof buf, fd) != NULL)
 961                                && (strlen(comment) == 0)) {
 962                                 buf[strlen(buf) - 1] = 0;
 963                                 if ((!strncasecmp(buf, flnm, strlen(flnm)))
 964                                     && (buf[strlen(flnm)] == ' '))
 965                                         safestrncpy(comment,
 966                                             &buf[strlen(flnm) + 1],
 967                                             sizeof comment);
 968                         }
 969                         cprintf("%s|%ld|%s\n", flnm, (long)statbuf.st_size, comment);
 970                 }
 971         }
 972         fclose(ls);
 973         fclose(fd);
 974         unlink(CC->temp);
 975
 976         cprintf("000\n");
 977 }
 978
 979 /*
 980  * get room parameters (aide or room aide command)
 981  */
 982 void cmd_getr(void)
 983 {
 984         if (CtdlAccessCheck(ac_room_aide)) return;
 985
 986         getroom(&CC->quickroom, CC->quickroom.QRname);
 987         cprintf("%d%c%s|%s|%s|%d|%d|%d|%d\n",
 988                 CIT_OK,
 989                 CtdlCheckExpress(),
 990
 991                 ((CC->quickroom.QRflags & QR_MAILBOX) ?
 992                         &CC->quickroom.QRname[11] : CC->quickroom.QRname),
 993
 994                 ((CC->quickroom.QRflags & QR_PASSWORDED) ?
 995                         CC->quickroom.QRpasswd : ""),
 996
 997                 ((CC->quickroom.QRflags & QR_DIRECTORY) ?
 998                         CC->quickroom.QRdirname : ""),
 999
1000                 CC->quickroom.QRflags,
1001                 (int) CC->quickroom.QRfloor,
1002                 (int) CC->quickroom.QRorder,
1003
1004                 CC->quickroom.QRdefaultview);
1005 }
1006
1007
1008 /*
1009  * Back end function to rename a room.
1010  * You can also specify which floor to move the room to, or specify -1 to
1011  * keep the room on the same floor it was on.
1012  *
1013  * If you are renaming a mailbox room, you must supply the namespace prefix
1014  * in *at least* the old name!
1015  */
1016 int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
1017         int old_floor = 0;
1018         struct quickroom qrbuf;
1019         struct quickroom qrtmp;
1020         int ret = 0;
1021         struct floor *fl;
1022         struct floor flbuf;
1023         long owner = 0L;
1024
1025         lprintf(9, "CtdlRenameRoom(%s, %s, %d)\n",
1026                 old_name, new_name, new_floor);
1027
1028         if (new_floor >= 0) {
1029                 fl = cgetfloor(new_floor);
1030                 if ((fl->f_flags & F_INUSE) == 0) {
1031                         return(crr_invalid_floor);
1032                 }
1033         }
1034
1035         begin_critical_section(S_QUICKROOM);
1036
1037         if ( (getroom(&qrtmp, new_name) == 0)
1038            && (strcasecmp(new_name, old_name)) ) {
1039                 ret = crr_already_exists;
1040         }
1041
1042         else if (getroom(&qrbuf, old_name) != 0) {
1043                 ret = crr_room_not_found;
1044         }
1045
1046         else if ( (CC->usersupp.axlevel < 6)
1047                   && (CC->usersupp.usernum != qrbuf.QRroomaide)
1048                   && ( (((qrbuf.QRflags & QR_MAILBOX) == 0) || (atol(qrbuf.QRname) != CC->usersupp.usernum))) )  {
1049                 ret = crr_access_denied;
1050         }
1051
1052         else if (is_noneditable(&qrbuf)) {
1053                 ret = crr_noneditable;
1054         }
1055
1056         else {
1057                 /* Rename it */
1058                 if (qrbuf.QRflags & QR_MAILBOX) {
1059                         owner = atol(qrbuf.QRname);
1060                 }
1061                 if ( (owner > 0L) && (atol(new_name) == 0L) ) {
1062                         snprintf(qrbuf.QRname, sizeof(qrbuf.QRname),
1063                                         "%010ld.%s", owner, new_name);
1064                 }
1065                 else {
1066                         safestrncpy(qrbuf.QRname, new_name,
1067                                                 sizeof(qrbuf.QRname));
1068                 }
1069
1070                 /* Take care of floor stuff */
1071                 old_floor = qrbuf.QRfloor;
1072                 if (new_floor < 0) {
1073                         new_floor = old_floor;
1074                 }
1075                 qrbuf.QRfloor = new_floor;
1076                 putroom(&qrbuf);
1077
1078                 /* If the room name changed, then there are now two room
1079                  * records, so we have to delete the old one.
1080                  */
1081                 if (strcasecmp(new_name, old_name)) {
1082                         b_deleteroom(old_name);
1083                 }
1084
1085                 ret = crr_ok;
1086         }
1087
1088         end_critical_section(S_QUICKROOM);
1089
1090         /* Adjust the floor reference counts if necessary */
1091         if (new_floor != old_floor) {
1092                 lgetfloor(&flbuf, old_floor);
1093                 --flbuf.f_ref_count;
1094                 lputfloor(&flbuf, old_floor);
1095                 lgetfloor(&flbuf, CC->quickroom.QRfloor);
1096                 ++flbuf.f_ref_count;
1097                 lputfloor(&flbuf, CC->quickroom.QRfloor);
1098         }
1099
1100         /* ...and everybody say "YATTA!" */
1101         return(ret);
1102 }
1103
1104
1105 /*
1106  * set room parameters (aide or room aide command)
1107  */
1108 void cmd_setr(char *args)
1109 {
1110         char buf[SIZ];
1111         int new_order = 0;
1112         int r;
1113         int new_floor;
1114         char new_name[ROOMNAMELEN];
1115
1116         if (CtdlAccessCheck(ac_logged_in)) return;
1117
1118         if (num_parms(args) >= 6) {
1119                 new_floor = extract_int(args, 5);
1120         }
1121         else {
1122                 new_floor = (-1);       /* don't change the floor */
1123         }
1124
1125         /* When is a new name more than just a new name?  When the old name
1126          * has a namespace prefix.
1127          */
1128         if (CC->quickroom.QRflags & QR_MAILBOX) {
1129                 sprintf(new_name, "%010ld.", atol(CC->quickroom.QRname) );
1130         }
1131         else {
1132                 strcpy(new_name, "");
1133         }
1134         extract(&new_name[strlen(new_name)], args, 0);
1135
1136         r = CtdlRenameRoom(CC->quickroom.QRname, new_name, new_floor);
1137
1138         if (r == crr_room_not_found) {
1139                 cprintf("%d Internal error - room not found?\n", ERROR);
1140         }
1141         else if (r == crr_already_exists) {
1142                 cprintf("%d '%s' already exists.\n",
1143                         ERROR + ALREADY_EXISTS, new_name);
1144         }
1145         else if (r == crr_noneditable) {
1146                 cprintf("%d Cannot edit this room.\n", ERROR);
1147         }
1148         else if (r == crr_invalid_floor) {
1149                 cprintf("%d Target floor does not exist.\n",
1150                         ERROR + INVALID_FLOOR_OPERATION);
1151         }
1152         else if (r == crr_access_denied) {
1153                 cprintf("%d You do not have permission to edit '%s'\n",
1154                         ERROR + HIGHER_ACCESS_REQUIRED,
1155                         CC->quickroom.QRname);
1156         }
1157         else if (r != crr_ok) {
1158                 cprintf("%d Error: CtdlRenameRoom() returned %d\n",
1159                         ERROR, r);
1160         }
1161
1162         if (r != crr_ok) {
1163                 return;
1164         }
1165
1166         getroom(&CC->quickroom, new_name);
1167
1168         /* Now we have to do a bunch of other stuff */
1169
1170         if (num_parms(args) >= 7) {
1171                 new_order = extract_int(args, 6);
1172                 if (new_order < 1)
1173                         new_order = 1;
1174                 if (new_order > 127)
1175                         new_order = 127;
1176         }
1177         lgetroom(&CC->quickroom, CC->quickroom.QRname);
1178
1179         extract(buf, args, 1);
1180         buf[10] = 0;
1181         safestrncpy(CC->quickroom.QRpasswd, buf, sizeof CC->quickroom.QRpasswd);
1182         extract(buf, args, 2);
1183         buf[15] = 0;
1184         safestrncpy(CC->quickroom.QRdirname, buf,
1185                 sizeof CC->quickroom.QRdirname);
1186         CC->quickroom.QRflags = (extract_int(args, 3) | QR_INUSE);
1187         if (num_parms(args) >= 7)
1188                 CC->quickroom.QRorder = (char) new_order;
1189
1190         /* Clean up a client boo-boo: if the client set the room to
1191          * guess-name or passworded, ensure that the private flag is
1192          * also set.
1193          */
1194         if ((CC->quickroom.QRflags & QR_GUESSNAME)
1195             || (CC->quickroom.QRflags & QR_PASSWORDED))
1196                 CC->quickroom.QRflags |= QR_PRIVATE;
1197
1198         /* Kick everyone out if the client requested it (by changing the
1199          * room's generation number)
1200          */
1201         if (extract_int(args, 4)) {
1202                 time(&CC->quickroom.QRgen);
1203         }
1204
1205         if (num_parms(args) >= 8) {
1206                 CC->quickroom.QRdefaultview = extract_int(args, 7);
1207         }
1208
1209
1210         /* Write the room record back to disk */
1211         lputroom(&CC->quickroom);
1212
1213         /* create a room directory if necessary */
1214         if (CC->quickroom.QRflags & QR_DIRECTORY) {
1215                 snprintf(buf, sizeof buf,
1216                     "mkdir ./files/%s </dev/null >/dev/null 2>/dev/null",
1217                         CC->quickroom.QRdirname);
1218                 system(buf);
1219         }
1220         snprintf(buf, sizeof buf, "%s> edited by %s\n", CC->quickroom.QRname, CC->curr_user);
1221         aide_message(buf);
1222         cprintf("%d Ok\n", CIT_OK);
1223 }
1224
1225
1226
1227 /*
1228  * get the name of the room aide for this room
1229  */
1230 void cmd_geta(void)
1231 {
1232         struct usersupp usbuf;
1233
1234         if (CtdlAccessCheck(ac_logged_in)) return;
1235
1236         if (is_noneditable(&CC->quickroom)) {
1237                 cprintf("%d Can't edit this room.\n", ERROR + NOT_HERE);
1238                 return;
1239         }
1240         if (getuserbynumber(&usbuf, CC->quickroom.QRroomaide) == 0) {
1241                 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
1242         } else {
1243                 cprintf("%d \n", CIT_OK);
1244         }
1245 }
1246
1247
1248 /*
1249  * set the room aide for this room
1250  */
1251 void cmd_seta(char *new_ra)
1252 {
1253         struct usersupp usbuf;
1254         long newu;
1255         char buf[SIZ];
1256         int post_notice;
1257
1258         if (CtdlAccessCheck(ac_room_aide)) return;
1259
1260         if (getuser(&usbuf, new_ra) != 0) {
1261                 newu = (-1L);
1262         } else {
1263                 newu = usbuf.usernum;
1264         }
1265
1266         lgetroom(&CC->quickroom, CC->quickroom.QRname);
1267         post_notice = 0;
1268         if (CC->quickroom.QRroomaide != newu) {
1269                 post_notice = 1;
1270         }
1271         CC->quickroom.QRroomaide = newu;
1272         lputroom(&CC->quickroom);
1273
1274         /*
1275          * We have to post the change notice _after_ writing changes to
1276          * the room table, otherwise it would deadlock!
1277          */
1278         if (post_notice == 1) {
1279                 snprintf(buf, sizeof buf, "%s is now room aide for %s>\n",
1280                         usbuf.fullname, CC->quickroom.QRname);
1281                 aide_message(buf);
1282         }
1283         cprintf("%d Ok\n", CIT_OK);
1284 }
1285
1286 /*
1287  * Generate an associated file name for a room
1288  */
1289 void assoc_file_name(char *buf, size_t n,
1290                      struct quickroom *qrbuf, const char *prefix)
1291 {
1292         snprintf(buf, n, "./%s/%ld", prefix, qrbuf->QRnumber);
1293 }
1294
1295 /*
1296  * retrieve info file for this room
1297  */
1298 void cmd_rinf(void)
1299 {
1300         char filename[128];
1301         char buf[SIZ];
1302         FILE *info_fp;
1303
1304         assoc_file_name(filename, sizeof filename, &CC->quickroom, "info");
1305         info_fp = fopen(filename, "r");
1306
1307         if (info_fp == NULL) {
1308                 cprintf("%d No info file.\n", ERROR);
1309                 return;
1310         }
1311         cprintf("%d Info:\n", LISTING_FOLLOWS);
1312         while (fgets(buf, sizeof buf, info_fp) != NULL) {
1313                 if (strlen(buf) > 0)
1314                         buf[strlen(buf) - 1] = 0;
1315                 cprintf("%s\n", buf);
1316         }
1317         cprintf("000\n");
1318         fclose(info_fp);
1319 }
1320
1321 /*
1322  * Back end processing to delete a room and everything associated with it
1323  */
1324 void delete_room(struct quickroom *qrbuf)
1325 {
1326         struct floor flbuf;
1327         char filename[100];
1328
1329         lprintf(9, "Deleting room <%s>\n", qrbuf->QRname);
1330
1331         /* Delete the info file */
1332         assoc_file_name(filename, sizeof filename, qrbuf, "info");
1333         unlink(filename);
1334
1335         /* Delete the image file */
1336         assoc_file_name(filename, sizeof filename, qrbuf, "images");
1337         unlink(filename);
1338
1339         /* Delete the room's network config file */
1340         assoc_file_name(filename, sizeof filename, qrbuf, "netconfigs");
1341         unlink(filename);
1342
1343         /* Delete the messages in the room
1344          * (Careful: this opens an S_QUICKROOM critical section!)
1345          */
1346         CtdlDeleteMessages(qrbuf->QRname, 0L, "");
1347
1348         /* Flag the room record as not in use */
1349         lgetroom(qrbuf, qrbuf->QRname);
1350         qrbuf->QRflags = 0;
1351         lputroom(qrbuf);
1352
1353         /* then decrement the reference count for the floor */
1354         lgetfloor(&flbuf, (int) (qrbuf->QRfloor));
1355         flbuf.f_ref_count = flbuf.f_ref_count - 1;
1356         lputfloor(&flbuf, (int) (qrbuf->QRfloor));
1357
1358         /* Delete the room record from the database! */
1359         b_deleteroom(qrbuf->QRname);
1360 }
1361
1362
1363
1364 /*
1365  * Check access control for deleting a room
1366  */
1367 int CtdlDoIHavePermissionToDeleteThisRoom(struct quickroom *qr) {
1368
1369         if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1370                 return(0);
1371         }
1372
1373         if (is_noneditable(qr)) {
1374                 return(0);
1375         }
1376
1377         /*
1378          * For mailboxes, check stuff
1379          */
1380         if (qr->QRflags & QR_MAILBOX) {
1381
1382                 if (strlen(qr->QRname) < 12) return(0); /* bad name */
1383
1384                 if (atol(qr->QRname) != CC->usersupp.usernum) {
1385                         return(0);      /* not my room */
1386                 }
1387
1388                 /* Can't delete your Mail> room */
1389                 if (!strcasecmp(&qr->QRname[12], MAILROOM)) return(0);
1390
1391                 /* Otherwise it's ok */
1392                 return(1);
1393         }
1394
1395         /*
1396          * For normal rooms, just check for aide or room aide status.
1397          */
1398         else {
1399                 return(is_room_aide());
1400         }
1401
1402         /* Should never get to this point, but to keep the compiler quiet... */
1403         return(0);
1404 }
1405
1406 /*
1407  * aide command: kill the current room
1408  */
1409 void cmd_kill(char *argbuf)
1410 {
1411         char aaa[100];
1412         char deleted_room_name[ROOMNAMELEN];
1413         int kill_ok;
1414
1415         kill_ok = extract_int(argbuf, 0);
1416
1417         if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->quickroom) == 0) {
1418                 cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
1419                 return;
1420         }
1421         if (kill_ok) {
1422                 strcpy(deleted_room_name, CC->quickroom.QRname);
1423                 delete_room(&CC->quickroom);    /* Do the dirty work */
1424                 usergoto(BASEROOM, 0, NULL, NULL); /* Return to the Lobby */
1425
1426                 /* tell the world what we did */
1427                 snprintf(aaa, sizeof aaa, "%s> killed by %s\n",
1428                          deleted_room_name, CC->curr_user);
1429                 aide_message(aaa);
1430                 cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
1431         } else {
1432                 cprintf("%d ok to delete.\n", CIT_OK);
1433         }
1434 }
1435
1436
1437 /*
1438  * Internal code to create a new room (returns room flags)
1439  *
1440  * Room types:  0=public, 1=guessname, 2=passworded, 3=inv-only,
1441  *              4=mailbox, 5=mailbox, but caller supplies namespace
1442  */
1443 unsigned create_room(char *new_room_name,
1444                      int new_room_type,
1445                      char *new_room_pass,
1446                      int new_room_floor,
1447                      int really_create)
1448 {
1449
1450         struct quickroom qrbuf;
1451         struct floor flbuf;
1452         struct visit vbuf;
1453
1454         lprintf(9, "create_room(%s)\n", new_room_name);
1455         if (getroom(&qrbuf, new_room_name) == 0) {
1456                 lprintf(9, "%s already exists.\n", new_room_name);
1457                 return (0);     /* already exists */
1458         }
1459
1460
1461         memset(&qrbuf, 0, sizeof(struct quickroom));
1462         safestrncpy(qrbuf.QRpasswd, new_room_pass, sizeof qrbuf.QRpasswd);
1463         qrbuf.QRflags = QR_INUSE;
1464         if (new_room_type > 0)
1465                 qrbuf.QRflags = (qrbuf.QRflags | QR_PRIVATE);
1466         if (new_room_type == 1)
1467                 qrbuf.QRflags = (qrbuf.QRflags | QR_GUESSNAME);
1468         if (new_room_type == 2)
1469                 qrbuf.QRflags = (qrbuf.QRflags | QR_PASSWORDED);
1470         if ( (new_room_type == 4) || (new_room_type == 5) )
1471                 qrbuf.QRflags = (qrbuf.QRflags | QR_MAILBOX);
1472
1473         /* If the user is requesting a personal room, set up the room
1474          * name accordingly (prepend the user number)
1475          */
1476         if (new_room_type == 4) {
1477                 MailboxName(qrbuf.QRname, sizeof qrbuf.QRname, &CC->usersupp, new_room_name);
1478         }
1479         else {
1480                 safestrncpy(qrbuf.QRname, new_room_name, sizeof qrbuf.QRname);
1481         }
1482
1483         /* If the room is private, and the system administrator has elected
1484          * to automatically grant room aide privileges, do so now; otherwise,
1485          * set the room aide to undefined.
1486          */
1487         if ((qrbuf.QRflags & QR_PRIVATE) && (CREATAIDE == 1)) {
1488                 qrbuf.QRroomaide = CC->usersupp.usernum;
1489         } else {
1490                 qrbuf.QRroomaide = (-1L);
1491         }
1492
1493         /*
1494          * If the caller is only interested in testing whether this will work,
1495          * return now without creating the room.
1496          */
1497         if (!really_create) return (qrbuf.QRflags);
1498
1499         qrbuf.QRnumber = get_new_room_number();
1500         qrbuf.QRhighest = 0L;   /* No messages in this room yet */
1501         time(&qrbuf.QRgen);     /* Use a timestamp as the generation number */
1502         qrbuf.QRfloor = new_room_floor;
1503
1504         /* save what we just did... */
1505         putroom(&qrbuf);
1506
1507         /* bump the reference count on whatever floor the room is on */
1508         lgetfloor(&flbuf, (int) qrbuf.QRfloor);
1509         flbuf.f_ref_count = flbuf.f_ref_count + 1;
1510         lputfloor(&flbuf, (int) qrbuf.QRfloor);
1511
1512         /* be sure not to kick the creator out of the room! */
1513         lgetuser(&CC->usersupp, CC->curr_user);
1514         CtdlGetRelationship(&vbuf, &CC->usersupp, &qrbuf);
1515         vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1516         vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1517         CtdlSetRelationship(&vbuf, &CC->usersupp, &qrbuf);
1518         lputuser(&CC->usersupp);
1519
1520         /* resume our happy day */
1521         return (qrbuf.QRflags);
1522 }
1523
1524
1525 /*
1526  * create a new room
1527  */
1528 void cmd_cre8(char *args)
1529 {
1530         int cre8_ok;
1531         char new_room_name[SIZ];
1532         int new_room_type;
1533         char new_room_pass[SIZ];
1534         int new_room_floor;
1535         char aaa[SIZ];
1536         unsigned newflags;
1537         struct floor *fl;
1538
1539         cre8_ok = extract_int(args, 0);
1540         extract(new_room_name, args, 1);
1541         new_room_name[ROOMNAMELEN - 1] = 0;
1542         new_room_type = extract_int(args, 2);
1543         extract(new_room_pass, args, 3);
1544         new_room_pass[9] = 0;
1545         new_room_floor = 0;
1546
1547         if ((strlen(new_room_name) == 0) && (cre8_ok == 1)) {
1548                 cprintf("%d Invalid room name.\n", ERROR);
1549                 return;
1550         }
1551
1552         if (!strcasecmp(new_room_name, MAILROOM)) {
1553                 cprintf("%d '%s' already exists.\n",
1554                         ERROR + ALREADY_EXISTS, new_room_name);
1555                 return;
1556         }
1557
1558         if (num_parms(args) >= 5) {
1559                 fl = cgetfloor(extract_int(args, 4));
1560                 if ((fl->f_flags & F_INUSE) == 0) {
1561                         cprintf("%d Invalid floor number.\n",
1562                                 ERROR + INVALID_FLOOR_OPERATION);
1563                         return;
1564                 } else {
1565                         new_room_floor = extract_int(args, 4);
1566                 }
1567         }
1568
1569         if (CtdlAccessCheck(ac_logged_in)) return;
1570
1571         if (CC->usersupp.axlevel < config.c_createax) {
1572                 cprintf("%d You need higher access to create rooms.\n",
1573                         ERROR + HIGHER_ACCESS_REQUIRED);
1574                 return;
1575         }
1576
1577         if ((strlen(new_room_name) == 0) && (cre8_ok == 0)) {
1578                 cprintf("%d Ok to create rooms.\n", CIT_OK);
1579                 return;
1580         }
1581
1582         if ((new_room_type < 0) || (new_room_type > 4)) {
1583                 cprintf("%d Invalid room type.\n", ERROR);
1584                 return;
1585         }
1586
1587         /* Check to make sure the requested room name doesn't already exist */
1588         newflags = create_room(new_room_name,
1589                            new_room_type, new_room_pass, new_room_floor, 0);
1590         if (newflags == 0) {
1591                 cprintf("%d '%s' already exists.\n",
1592                         ERROR + ALREADY_EXISTS, new_room_name);
1593                 return;
1594         }
1595
1596         if (cre8_ok == 0) {
1597                 cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
1598                 return;
1599         }
1600
1601         /* If we reach this point, the room needs to be created. */
1602
1603         newflags = create_room(new_room_name,
1604                            new_room_type, new_room_pass, new_room_floor, 1);
1605
1606         /* post a message in Aide> describing the new room */
1607         safestrncpy(aaa, new_room_name, sizeof aaa);
1608         strcat(aaa, "> created by ");
1609         strcat(aaa, CC->usersupp.fullname);
1610         if (newflags & QR_MAILBOX)
1611                 strcat(aaa, " [personal]");
1612         else if (newflags & QR_PRIVATE)
1613                 strcat(aaa, " [private]");
1614         if (newflags & QR_GUESSNAME)
1615                 strcat(aaa, "[guessname] ");
1616         if (newflags & QR_PASSWORDED) {
1617                 strcat(aaa, "\n Password: ");
1618                 strcat(aaa, new_room_pass);
1619         }
1620         strcat(aaa, "\n");
1621         aide_message(aaa);
1622
1623         cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
1624 }
1625
1626
1627
1628 void cmd_einf(char *ok)
1629 {                               /* enter info file for current room */
1630         FILE *fp;
1631         char infofilename[SIZ];
1632         char buf[SIZ];
1633
1634         if (CtdlAccessCheck(ac_room_aide)) return;
1635
1636         if (atoi(ok) == 0) {
1637                 cprintf("%d Ok.\n", CIT_OK);
1638                 return;
1639         }
1640         assoc_file_name(infofilename, sizeof infofilename, &CC->quickroom, "info");
1641         lprintf(9, "opening\n");
1642         fp = fopen(infofilename, "w");
1643         lprintf(9, "checking\n");
1644         if (fp == NULL) {
1645                 cprintf("%d Cannot open %s: %s\n",
1646                   ERROR + INTERNAL_ERROR, infofilename, strerror(errno));
1647                 return;
1648         }
1649         cprintf("%d Send info...\n", SEND_LISTING);
1650
1651         do {
1652                 client_gets(buf);
1653                 if (strcmp(buf, "000"))
1654                         fprintf(fp, "%s\n", buf);
1655         } while (strcmp(buf, "000"));
1656         fclose(fp);
1657
1658         /* now update the room index so people will see our new info */
1659         lgetroom(&CC->quickroom, CC->quickroom.QRname);         /* lock so no one steps on us */
1660         CC->quickroom.QRinfo = CC->quickroom.QRhighest + 1L;
1661         lputroom(&CC->quickroom);
1662 }
1663
1664
1665 /*
1666  * cmd_lflr()   -  List all known floors
1667  */
1668 void cmd_lflr(void)
1669 {
1670         int a;
1671         struct floor flbuf;
1672
1673         if (CtdlAccessCheck(ac_logged_in)) return;
1674
1675         cprintf("%d Known floors:\n", LISTING_FOLLOWS);
1676
1677         for (a = 0; a < MAXFLOORS; ++a) {
1678                 getfloor(&flbuf, a);
1679                 if (flbuf.f_flags & F_INUSE) {
1680                         cprintf("%d|%s|%d\n",
1681                                 a,
1682                                 flbuf.f_name,
1683                                 flbuf.f_ref_count);
1684                 }
1685         }
1686         cprintf("000\n");
1687 }
1688
1689
1690
1691 /*
1692  * create a new floor
1693  */
1694 void cmd_cflr(char *argbuf)
1695 {
1696         char new_floor_name[SIZ];
1697         struct floor flbuf;
1698         int cflr_ok;
1699         int free_slot = (-1);
1700         int a;
1701
1702         extract(new_floor_name, argbuf, 0);
1703         cflr_ok = extract_int(argbuf, 1);
1704
1705
1706         if (CtdlAccessCheck(ac_aide)) return;
1707
1708         for (a = 0; a < MAXFLOORS; ++a) {
1709                 getfloor(&flbuf, a);
1710
1711                 /* note any free slots while we're scanning... */
1712                 if (((flbuf.f_flags & F_INUSE) == 0)
1713                     && (free_slot < 0))
1714                         free_slot = a;
1715
1716                 /* check to see if it already exists */
1717                 if ((!strcasecmp(flbuf.f_name, new_floor_name))
1718                     && (flbuf.f_flags & F_INUSE)) {
1719                         cprintf("%d Floor '%s' already exists.\n",
1720                                 ERROR + ALREADY_EXISTS,
1721                                 flbuf.f_name);
1722                         return;
1723                 }
1724         }
1725
1726         if (free_slot < 0) {
1727                 cprintf("%d There is no space available for a new floor.\n",
1728                         ERROR + INVALID_FLOOR_OPERATION);
1729                 return;
1730         }
1731         if (cflr_ok == 0) {
1732                 cprintf("%d ok to create...\n", CIT_OK);
1733                 return;
1734         }
1735         lgetfloor(&flbuf, free_slot);
1736         flbuf.f_flags = F_INUSE;
1737         flbuf.f_ref_count = 0;
1738         safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
1739         lputfloor(&flbuf, free_slot);
1740         cprintf("%d %d\n", CIT_OK, free_slot);
1741 }
1742
1743
1744
1745 /*
1746  * delete a floor
1747  */
1748 void cmd_kflr(char *argbuf)
1749 {
1750         struct floor flbuf;
1751         int floor_to_delete;
1752         int kflr_ok;
1753         int delete_ok;
1754
1755         floor_to_delete = extract_int(argbuf, 0);
1756         kflr_ok = extract_int(argbuf, 1);
1757
1758         if (CtdlAccessCheck(ac_aide)) return;
1759
1760         lgetfloor(&flbuf, floor_to_delete);
1761
1762         delete_ok = 1;
1763         if ((flbuf.f_flags & F_INUSE) == 0) {
1764                 cprintf("%d Floor %d not in use.\n",
1765                         ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
1766                 delete_ok = 0;
1767         } else {
1768                 if (flbuf.f_ref_count != 0) {
1769                         cprintf("%d Cannot delete; floor contains %d rooms.\n",
1770                                 ERROR + INVALID_FLOOR_OPERATION,
1771                                 flbuf.f_ref_count);
1772                         delete_ok = 0;
1773                 } else {
1774                         if (kflr_ok == 1) {
1775                                 cprintf("%d Ok\n", CIT_OK);
1776                         } else {
1777                                 cprintf("%d Ok to delete...\n", CIT_OK);
1778                         }
1779
1780                 }
1781
1782         }
1783
1784         if ((delete_ok == 1) && (kflr_ok == 1))
1785                 flbuf.f_flags = 0;
1786         lputfloor(&flbuf, floor_to_delete);
1787 }
1788
1789 /*
1790  * edit a floor
1791  */
1792 void cmd_eflr(char *argbuf)
1793 {
1794         struct floor flbuf;
1795         int floor_num;
1796         int np;
1797
1798         np = num_parms(argbuf);
1799         if (np < 1) {
1800                 cprintf("%d Usage error.\n", ERROR);
1801                 return;
1802         }
1803
1804         if (CtdlAccessCheck(ac_aide)) return;
1805
1806         floor_num = extract_int(argbuf, 0);
1807         lgetfloor(&flbuf, floor_num);
1808         if ((flbuf.f_flags & F_INUSE) == 0) {
1809                 lputfloor(&flbuf, floor_num);
1810                 cprintf("%d Floor %d is not in use.\n",
1811                         ERROR + INVALID_FLOOR_OPERATION, floor_num);
1812                 return;
1813         }
1814         if (np >= 2)
1815                 extract(flbuf.f_name, argbuf, 1);
1816         lputfloor(&flbuf, floor_num);
1817
1818         cprintf("%d Ok\n", CIT_OK);
1819 }