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\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
 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\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
1005
1006 /*
1007  * Back end function to rename a room.
1008  * You can also specify which floor to move the room to, or specify -1 to
1009  * keep the room on the same floor it was on.
1010  *
1011  * This function is unaware of namespaces.  If you are renaming a mailbox
1012  * room, you must supply the namespace prefix in both the old and new names!
1013  */
1014 int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
1015         int old_floor = 0;
1016         struct quickroom qrbuf;
1017         struct quickroom qrtmp;
1018         int ret = 0;
1019         struct floor *fl;
1020         struct floor flbuf;
1021
1022
1023         lprintf(9, "CtdlRenameRoom(%s, %s, %d)\n",
1024                 old_name, new_name, new_floor);
1025
1026         if (new_floor >= 0) {
1027                 fl = cgetfloor(new_floor);
1028                 if ((fl->f_flags & F_INUSE) == 0) {
1029                         return(crr_invalid_floor);
1030                 }
1031         }
1032
1033         begin_critical_section(S_QUICKROOM);
1034
1035         if ( (getroom(&qrtmp, new_name) == 0)
1036            && (strcasecmp(new_name, old_name)) ) {
1037                 ret = crr_already_exists;
1038         }
1039
1040         else if (getroom(&qrbuf, old_name) != 0) {
1041                 ret = crr_room_not_found;
1042         }
1043
1044         else if (is_noneditable(&qrbuf)) {
1045                 ret = crr_noneditable;
1046         }
1047
1048         else {
1049                 safestrncpy(qrbuf.QRname, new_name, sizeof(qrbuf.QRname));
1050                 old_floor = qrbuf.QRfloor;
1051                 if (new_floor < 0) {
1052                         new_floor = old_floor;
1053                 }
1054                 qrbuf.QRfloor = new_floor;
1055                 putroom(&qrbuf);
1056
1057                 /* If the room name changed, then there are now two room
1058                  * records, so we have to delete the old one.
1059                  */
1060                 if (strcasecmp(new_name, old_name)) {
1061                         b_deleteroom(old_name);
1062                 }
1063
1064                 ret = crr_ok;
1065         }
1066
1067         end_critical_section(S_QUICKROOM);
1068
1069         /* Adjust the floor reference counts if necessary */
1070         if (new_floor != old_floor) {
1071                 lgetfloor(&flbuf, old_floor);
1072                 --flbuf.f_ref_count;
1073                 lputfloor(&flbuf, old_floor);
1074                 lgetfloor(&flbuf, CC->quickroom.QRfloor);
1075                 ++flbuf.f_ref_count;
1076                 lputfloor(&flbuf, CC->quickroom.QRfloor);
1077         }
1078
1079         /* ...and everybody say "YATTA!" */
1080         return(ret);
1081 }
1082
1083
1084 /*
1085  * set room parameters (aide or room aide command)
1086  */
1087 void cmd_setr(char *args)
1088 {
1089         char buf[SIZ];
1090         int new_order = 0;
1091         int r;
1092         int new_floor;
1093         char new_name[ROOMNAMELEN];
1094
1095         if (CtdlAccessCheck(ac_room_aide)) return;
1096
1097         if (num_parms(args) >= 6) {
1098                 new_floor = extract_int(args, 5);
1099         }
1100         else {
1101                 new_floor = (-1);       /* don't change the floor */
1102         }
1103
1104         /* When is a new name more than just a new name?  When the old name
1105          * has a namespace prefix.
1106          */
1107         if (CC->quickroom.QRflags & QR_MAILBOX) {
1108                 sprintf(new_name, "%010ld.", atol(CC->quickroom.QRname) );
1109         }
1110         else {
1111                 strcpy(new_name, "");
1112         }
1113         extract(&new_name[strlen(new_name)], args, 0);
1114
1115         r = CtdlRenameRoom(CC->quickroom.QRname, new_name, new_floor);
1116
1117         if (r == crr_room_not_found) {
1118                 cprintf("%d Internal error - room not found?\n", ERROR);
1119         }
1120         else if (r == crr_already_exists) {
1121                 cprintf("%d '%s' already exists.\n",
1122                         ERROR + ALREADY_EXISTS, new_name);
1123         }
1124         else if (r == crr_noneditable) {
1125                 cprintf("%d Cannot edit this room.\n", ERROR);
1126         }
1127         else if (r == crr_invalid_floor) {
1128                 cprintf("%d Target floor does not exist.\n",
1129                         ERROR + INVALID_FLOOR_OPERATION);
1130         }
1131         else if (r != crr_ok) {
1132                 cprintf("%d Error: CtdlRenameRoom() returned %d\n",
1133                         ERROR, r);
1134         }
1135
1136         if (r != crr_ok) {
1137                 return;
1138         }
1139
1140         getroom(&CC->quickroom, new_name);
1141
1142         /* Now we have to do a bunch of other stuff */
1143
1144         if (num_parms(args) >= 7) {
1145                 new_order = extract_int(args, 6);
1146                 if (new_order < 1)
1147                         new_order = 1;
1148                 if (new_order > 127)
1149                         new_order = 127;
1150         }
1151         lgetroom(&CC->quickroom, CC->quickroom.QRname);
1152
1153         extract(buf, args, 1);
1154         buf[10] = 0;
1155         safestrncpy(CC->quickroom.QRpasswd, buf, sizeof CC->quickroom.QRpasswd);
1156         extract(buf, args, 2);
1157         buf[15] = 0;
1158         safestrncpy(CC->quickroom.QRdirname, buf,
1159                 sizeof CC->quickroom.QRdirname);
1160         CC->quickroom.QRflags = (extract_int(args, 3) | QR_INUSE);
1161         if (num_parms(args) >= 7)
1162                 CC->quickroom.QRorder = (char) new_order;
1163
1164         /* Clean up a client boo-boo: if the client set the room to
1165          * guess-name or passworded, ensure that the private flag is
1166          * also set.
1167          */
1168         if ((CC->quickroom.QRflags & QR_GUESSNAME)
1169             || (CC->quickroom.QRflags & QR_PASSWORDED))
1170                 CC->quickroom.QRflags |= QR_PRIVATE;
1171
1172         /* Kick everyone out if the client requested it (by changing the
1173          * room's generation number)
1174          */
1175         if (extract_int(args, 4)) {
1176                 time(&CC->quickroom.QRgen);
1177         }
1178
1179         /* Write the room record back to disk */
1180         lputroom(&CC->quickroom);
1181
1182         /* create a room directory if necessary */
1183         if (CC->quickroom.QRflags & QR_DIRECTORY) {
1184                 snprintf(buf, sizeof buf,
1185                     "mkdir ./files/%s </dev/null >/dev/null 2>/dev/null",
1186                         CC->quickroom.QRdirname);
1187                 system(buf);
1188         }
1189         snprintf(buf, sizeof buf, "%s> edited by %s\n", CC->quickroom.QRname, CC->curr_user);
1190         aide_message(buf);
1191         cprintf("%d Ok\n", CIT_OK);
1192 }
1193
1194
1195
1196 /*
1197  * get the name of the room aide for this room
1198  */
1199 void cmd_geta(void)
1200 {
1201         struct usersupp usbuf;
1202
1203         if (CtdlAccessCheck(ac_logged_in)) return;
1204
1205         if (is_noneditable(&CC->quickroom)) {
1206                 cprintf("%d Can't edit this room.\n", ERROR + NOT_HERE);
1207                 return;
1208         }
1209         if (getuserbynumber(&usbuf, CC->quickroom.QRroomaide) == 0) {
1210                 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
1211         } else {
1212                 cprintf("%d \n", CIT_OK);
1213         }
1214 }
1215
1216
1217 /*
1218  * set the room aide for this room
1219  */
1220 void cmd_seta(char *new_ra)
1221 {
1222         struct usersupp usbuf;
1223         long newu;
1224         char buf[SIZ];
1225         int post_notice;
1226
1227         if (CtdlAccessCheck(ac_room_aide)) return;
1228
1229         if (getuser(&usbuf, new_ra) != 0) {
1230                 newu = (-1L);
1231         } else {
1232                 newu = usbuf.usernum;
1233         }
1234
1235         lgetroom(&CC->quickroom, CC->quickroom.QRname);
1236         post_notice = 0;
1237         if (CC->quickroom.QRroomaide != newu) {
1238                 post_notice = 1;
1239         }
1240         CC->quickroom.QRroomaide = newu;
1241         lputroom(&CC->quickroom);
1242
1243         /*
1244          * We have to post the change notice _after_ writing changes to
1245          * the room table, otherwise it would deadlock!
1246          */
1247         if (post_notice == 1) {
1248                 snprintf(buf, sizeof buf, "%s is now room aide for %s>\n",
1249                         usbuf.fullname, CC->quickroom.QRname);
1250                 aide_message(buf);
1251         }
1252         cprintf("%d Ok\n", CIT_OK);
1253 }
1254
1255 /*
1256  * Generate an associated file name for a room
1257  */
1258 void assoc_file_name(char *buf, size_t n,
1259                      struct quickroom *qrbuf, const char *prefix)
1260 {
1261         snprintf(buf, n, "./%s/%ld", prefix, qrbuf->QRnumber);
1262 }
1263
1264 /*
1265  * retrieve info file for this room
1266  */
1267 void cmd_rinf(void)
1268 {
1269         char filename[128];
1270         char buf[SIZ];
1271         FILE *info_fp;
1272
1273         assoc_file_name(filename, sizeof filename, &CC->quickroom, "info");
1274         info_fp = fopen(filename, "r");
1275
1276         if (info_fp == NULL) {
1277                 cprintf("%d No info file.\n", ERROR);
1278                 return;
1279         }
1280         cprintf("%d Info:\n", LISTING_FOLLOWS);
1281         while (fgets(buf, sizeof buf, info_fp) != NULL) {
1282                 if (strlen(buf) > 0)
1283                         buf[strlen(buf) - 1] = 0;
1284                 cprintf("%s\n", buf);
1285         }
1286         cprintf("000\n");
1287         fclose(info_fp);
1288 }
1289
1290 /*
1291  * Back end processing to delete a room and everything associated with it
1292  */
1293 void delete_room(struct quickroom *qrbuf)
1294 {
1295         struct floor flbuf;
1296         char filename[100];
1297
1298         lprintf(9, "Deleting room <%s>\n", qrbuf->QRname);
1299
1300         /* Delete the info file */
1301         assoc_file_name(filename, sizeof filename, qrbuf, "info");
1302         unlink(filename);
1303
1304         /* Delete the image file */
1305         assoc_file_name(filename, sizeof filename, qrbuf, "images");
1306         unlink(filename);
1307
1308         /* Delete the room's network config file */
1309         assoc_file_name(filename, sizeof filename, qrbuf, "netconfigs");
1310         unlink(filename);
1311
1312         /* Delete the messages in the room
1313          * (Careful: this opens an S_QUICKROOM critical section!)
1314          */
1315         CtdlDeleteMessages(qrbuf->QRname, 0L, "");
1316
1317         /* Flag the room record as not in use */
1318         lgetroom(qrbuf, qrbuf->QRname);
1319         qrbuf->QRflags = 0;
1320         lputroom(qrbuf);
1321
1322         /* then decrement the reference count for the floor */
1323         lgetfloor(&flbuf, (int) (qrbuf->QRfloor));
1324         flbuf.f_ref_count = flbuf.f_ref_count - 1;
1325         lputfloor(&flbuf, (int) (qrbuf->QRfloor));
1326
1327         /* Delete the room record from the database! */
1328         b_deleteroom(qrbuf->QRname);
1329 }
1330
1331
1332
1333 /*
1334  * Check access control for deleting a room
1335  */
1336 int CtdlDoIHavePermissionToDeleteThisRoom(struct quickroom *qr) {
1337
1338         if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1339                 return(0);
1340         }
1341
1342         if (is_noneditable(qr)) {
1343                 return(0);
1344         }
1345
1346         /*
1347          * For mailboxes, check stuff
1348          */
1349         if (qr->QRflags & QR_MAILBOX) {
1350
1351                 if (strlen(qr->QRname) < 12) return(0); /* bad name */
1352
1353                 if (atol(qr->QRname) != CC->usersupp.usernum) {
1354                         return(0);      /* not my room */
1355                 }
1356
1357                 /* Can't delete your Mail> room */
1358                 if (!strcasecmp(&qr->QRname[12], MAILROOM)) return(0);
1359
1360                 /* Otherwise it's ok */
1361                 return(1);
1362         }
1363
1364         /*
1365          * For normal rooms, just check for aide or room aide status.
1366          */
1367         else {
1368                 return(is_room_aide());
1369         }
1370
1371         /* Should never get to this point, but to keep the compiler quiet... */
1372         return(0);
1373 }
1374
1375 /*
1376  * aide command: kill the current room
1377  */
1378 void cmd_kill(char *argbuf)
1379 {
1380         char aaa[100];
1381         char deleted_room_name[ROOMNAMELEN];
1382         int kill_ok;
1383
1384         kill_ok = extract_int(argbuf, 0);
1385
1386         if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->quickroom) == 0) {
1387                 cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
1388                 return;
1389         }
1390         if (kill_ok) {
1391                 strcpy(deleted_room_name, CC->quickroom.QRname);
1392                 delete_room(&CC->quickroom);    /* Do the dirty work */
1393                 usergoto(BASEROOM, 0, NULL, NULL); /* Return to the Lobby */
1394
1395                 /* tell the world what we did */
1396                 snprintf(aaa, sizeof aaa, "%s> killed by %s\n",
1397                          deleted_room_name, CC->curr_user);
1398                 aide_message(aaa);
1399                 cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
1400         } else {
1401                 cprintf("%d ok to delete.\n", CIT_OK);
1402         }
1403 }
1404
1405
1406 /*
1407  * Internal code to create a new room (returns room flags)
1408  *
1409  * Room types:  0=public, 1=guessname, 2=passworded, 3=inv-only,
1410  *              4=mailbox, 5=mailbox, but caller supplies namespace
1411  */
1412 unsigned create_room(char *new_room_name,
1413                      int new_room_type,
1414                      char *new_room_pass,
1415                      int new_room_floor,
1416                      int really_create)
1417 {
1418
1419         struct quickroom qrbuf;
1420         struct floor flbuf;
1421         struct visit vbuf;
1422
1423         lprintf(9, "create_room(%s)\n", new_room_name);
1424         if (getroom(&qrbuf, new_room_name) == 0) {
1425                 lprintf(9, "%s already exists.\n", new_room_name);
1426                 return (0);     /* already exists */
1427         }
1428
1429
1430         memset(&qrbuf, 0, sizeof(struct quickroom));
1431         safestrncpy(qrbuf.QRpasswd, new_room_pass, sizeof qrbuf.QRpasswd);
1432         qrbuf.QRflags = QR_INUSE;
1433         if (new_room_type > 0)
1434                 qrbuf.QRflags = (qrbuf.QRflags | QR_PRIVATE);
1435         if (new_room_type == 1)
1436                 qrbuf.QRflags = (qrbuf.QRflags | QR_GUESSNAME);
1437         if (new_room_type == 2)
1438                 qrbuf.QRflags = (qrbuf.QRflags | QR_PASSWORDED);
1439         if ( (new_room_type == 4) || (new_room_type == 5) )
1440                 qrbuf.QRflags = (qrbuf.QRflags | QR_MAILBOX);
1441
1442         /* If the user is requesting a personal room, set up the room
1443          * name accordingly (prepend the user number)
1444          */
1445         if (new_room_type == 4) {
1446                 MailboxName(qrbuf.QRname, sizeof qrbuf.QRname, &CC->usersupp, new_room_name);
1447         }
1448         else {
1449                 safestrncpy(qrbuf.QRname, new_room_name, sizeof qrbuf.QRname);
1450         }
1451
1452         /* If the room is private, and the system administrator has elected
1453          * to automatically grant room aide privileges, do so now; otherwise,
1454          * set the room aide to undefined.
1455          */
1456         if ((qrbuf.QRflags & QR_PRIVATE) && (CREATAIDE == 1)) {
1457                 qrbuf.QRroomaide = CC->usersupp.usernum;
1458         } else {
1459                 qrbuf.QRroomaide = (-1L);
1460         }
1461
1462         /*
1463          * If the caller is only interested in testing whether this will work,
1464          * return now without creating the room.
1465          */
1466         if (!really_create) return (qrbuf.QRflags);
1467
1468         qrbuf.QRnumber = get_new_room_number();
1469         qrbuf.QRhighest = 0L;   /* No messages in this room yet */
1470         time(&qrbuf.QRgen);     /* Use a timestamp as the generation number */
1471         qrbuf.QRfloor = new_room_floor;
1472
1473         /* save what we just did... */
1474         putroom(&qrbuf);
1475
1476         /* bump the reference count on whatever floor the room is on */
1477         lgetfloor(&flbuf, (int) qrbuf.QRfloor);
1478         flbuf.f_ref_count = flbuf.f_ref_count + 1;
1479         lputfloor(&flbuf, (int) qrbuf.QRfloor);
1480
1481         /* be sure not to kick the creator out of the room! */
1482         lgetuser(&CC->usersupp, CC->curr_user);
1483         CtdlGetRelationship(&vbuf, &CC->usersupp, &qrbuf);
1484         vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1485         vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1486         CtdlSetRelationship(&vbuf, &CC->usersupp, &qrbuf);
1487         lputuser(&CC->usersupp);
1488
1489         /* resume our happy day */
1490         return (qrbuf.QRflags);
1491 }
1492
1493
1494 /*
1495  * create a new room
1496  */
1497 void cmd_cre8(char *args)
1498 {
1499         int cre8_ok;
1500         char new_room_name[SIZ];
1501         int new_room_type;
1502         char new_room_pass[SIZ];
1503         int new_room_floor;
1504         char aaa[SIZ];
1505         unsigned newflags;
1506         struct floor *fl;
1507
1508         cre8_ok = extract_int(args, 0);
1509         extract(new_room_name, args, 1);
1510         new_room_name[ROOMNAMELEN - 1] = 0;
1511         new_room_type = extract_int(args, 2);
1512         extract(new_room_pass, args, 3);
1513         new_room_pass[9] = 0;
1514         new_room_floor = 0;
1515
1516         if ((strlen(new_room_name) == 0) && (cre8_ok == 1)) {
1517                 cprintf("%d Invalid room name.\n", ERROR);
1518                 return;
1519         }
1520
1521         if (!strcasecmp(new_room_name, MAILROOM)) {
1522                 cprintf("%d '%s' already exists.\n",
1523                         ERROR + ALREADY_EXISTS, new_room_name);
1524                 return;
1525         }
1526
1527         if (num_parms(args) >= 5) {
1528                 fl = cgetfloor(extract_int(args, 4));
1529                 if ((fl->f_flags & F_INUSE) == 0) {
1530                         cprintf("%d Invalid floor number.\n",
1531                                 ERROR + INVALID_FLOOR_OPERATION);
1532                         return;
1533                 } else {
1534                         new_room_floor = extract_int(args, 4);
1535                 }
1536         }
1537
1538         if (CtdlAccessCheck(ac_logged_in)) return;
1539
1540         if (CC->usersupp.axlevel < config.c_createax) {
1541                 cprintf("%d You need higher access to create rooms.\n",
1542                         ERROR + HIGHER_ACCESS_REQUIRED);
1543                 return;
1544         }
1545
1546         if ((strlen(new_room_name) == 0) && (cre8_ok == 0)) {
1547                 cprintf("%d Ok to create rooms.\n", CIT_OK);
1548                 return;
1549         }
1550
1551         if ((new_room_type < 0) || (new_room_type > 4)) {
1552                 cprintf("%d Invalid room type.\n", ERROR);
1553                 return;
1554         }
1555
1556         /* Check to make sure the requested room name doesn't already exist */
1557         newflags = create_room(new_room_name,
1558                            new_room_type, new_room_pass, new_room_floor, 0);
1559         if (newflags == 0) {
1560                 cprintf("%d '%s' already exists.\n",
1561                         ERROR + ALREADY_EXISTS, new_room_name);
1562                 return;
1563         }
1564
1565         if (cre8_ok == 0) {
1566                 cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
1567                 return;
1568         }
1569
1570         /* If we reach this point, the room needs to be created. */
1571
1572         newflags = create_room(new_room_name,
1573                            new_room_type, new_room_pass, new_room_floor, 1);
1574
1575         /* post a message in Aide> describing the new room */
1576         safestrncpy(aaa, new_room_name, sizeof aaa);
1577         strcat(aaa, "> created by ");
1578         strcat(aaa, CC->usersupp.fullname);
1579         if (newflags & QR_MAILBOX)
1580                 strcat(aaa, " [personal]");
1581         else if (newflags & QR_PRIVATE)
1582                 strcat(aaa, " [private]");
1583         if (newflags & QR_GUESSNAME)
1584                 strcat(aaa, "[guessname] ");
1585         if (newflags & QR_PASSWORDED) {
1586                 strcat(aaa, "\n Password: ");
1587                 strcat(aaa, new_room_pass);
1588         }
1589         strcat(aaa, "\n");
1590         aide_message(aaa);
1591
1592         cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
1593 }
1594
1595
1596
1597 void cmd_einf(char *ok)
1598 {                               /* enter info file for current room */
1599         FILE *fp;
1600         char infofilename[SIZ];
1601         char buf[SIZ];
1602
1603         if (CtdlAccessCheck(ac_room_aide)) return;
1604
1605         if (atoi(ok) == 0) {
1606                 cprintf("%d Ok.\n", CIT_OK);
1607                 return;
1608         }
1609         assoc_file_name(infofilename, sizeof infofilename, &CC->quickroom, "info");
1610         lprintf(9, "opening\n");
1611         fp = fopen(infofilename, "w");
1612         lprintf(9, "checking\n");
1613         if (fp == NULL) {
1614                 cprintf("%d Cannot open %s: %s\n",
1615                   ERROR + INTERNAL_ERROR, infofilename, strerror(errno));
1616                 return;
1617         }
1618         cprintf("%d Send info...\n", SEND_LISTING);
1619
1620         do {
1621                 client_gets(buf);
1622                 if (strcmp(buf, "000"))
1623                         fprintf(fp, "%s\n", buf);
1624         } while (strcmp(buf, "000"));
1625         fclose(fp);
1626
1627         /* now update the room index so people will see our new info */
1628         lgetroom(&CC->quickroom, CC->quickroom.QRname);         /* lock so no one steps on us */
1629         CC->quickroom.QRinfo = CC->quickroom.QRhighest + 1L;
1630         lputroom(&CC->quickroom);
1631 }
1632
1633
1634 /*
1635  * cmd_lflr()   -  List all known floors
1636  */
1637 void cmd_lflr(void)
1638 {
1639         int a;
1640         struct floor flbuf;
1641
1642         if (CtdlAccessCheck(ac_logged_in)) return;
1643
1644         cprintf("%d Known floors:\n", LISTING_FOLLOWS);
1645
1646         for (a = 0; a < MAXFLOORS; ++a) {
1647                 getfloor(&flbuf, a);
1648                 if (flbuf.f_flags & F_INUSE) {
1649                         cprintf("%d|%s|%d\n",
1650                                 a,
1651                                 flbuf.f_name,
1652                                 flbuf.f_ref_count);
1653                 }
1654         }
1655         cprintf("000\n");
1656 }
1657
1658
1659
1660 /*
1661  * create a new floor
1662  */
1663 void cmd_cflr(char *argbuf)
1664 {
1665         char new_floor_name[SIZ];
1666         struct floor flbuf;
1667         int cflr_ok;
1668         int free_slot = (-1);
1669         int a;
1670
1671         extract(new_floor_name, argbuf, 0);
1672         cflr_ok = extract_int(argbuf, 1);
1673
1674
1675         if (CtdlAccessCheck(ac_aide)) return;
1676
1677         for (a = 0; a < MAXFLOORS; ++a) {
1678                 getfloor(&flbuf, a);
1679
1680                 /* note any free slots while we're scanning... */
1681                 if (((flbuf.f_flags & F_INUSE) == 0)
1682                     && (free_slot < 0))
1683                         free_slot = a;
1684
1685                 /* check to see if it already exists */
1686                 if ((!strcasecmp(flbuf.f_name, new_floor_name))
1687                     && (flbuf.f_flags & F_INUSE)) {
1688                         cprintf("%d Floor '%s' already exists.\n",
1689                                 ERROR + ALREADY_EXISTS,
1690                                 flbuf.f_name);
1691                         return;
1692                 }
1693         }
1694
1695         if (free_slot < 0) {
1696                 cprintf("%d There is no space available for a new floor.\n",
1697                         ERROR + INVALID_FLOOR_OPERATION);
1698                 return;
1699         }
1700         if (cflr_ok == 0) {
1701                 cprintf("%d ok to create...\n", CIT_OK);
1702                 return;
1703         }
1704         lgetfloor(&flbuf, free_slot);
1705         flbuf.f_flags = F_INUSE;
1706         flbuf.f_ref_count = 0;
1707         safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
1708         lputfloor(&flbuf, free_slot);
1709         cprintf("%d %d\n", CIT_OK, free_slot);
1710 }
1711
1712
1713
1714 /*
1715  * delete a floor
1716  */
1717 void cmd_kflr(char *argbuf)
1718 {
1719         struct floor flbuf;
1720         int floor_to_delete;
1721         int kflr_ok;
1722         int delete_ok;
1723
1724         floor_to_delete = extract_int(argbuf, 0);
1725         kflr_ok = extract_int(argbuf, 1);
1726
1727         if (CtdlAccessCheck(ac_aide)) return;
1728
1729         lgetfloor(&flbuf, floor_to_delete);
1730
1731         delete_ok = 1;
1732         if ((flbuf.f_flags & F_INUSE) == 0) {
1733                 cprintf("%d Floor %d not in use.\n",
1734                         ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
1735                 delete_ok = 0;
1736         } else {
1737                 if (flbuf.f_ref_count != 0) {
1738                         cprintf("%d Cannot delete; floor contains %d rooms.\n",
1739                                 ERROR + INVALID_FLOOR_OPERATION,
1740                                 flbuf.f_ref_count);
1741                         delete_ok = 0;
1742                 } else {
1743                         if (kflr_ok == 1) {
1744                                 cprintf("%d Ok\n", CIT_OK);
1745                         } else {
1746                                 cprintf("%d Ok to delete...\n", CIT_OK);
1747                         }
1748
1749                 }
1750
1751         }
1752
1753         if ((delete_ok == 1) && (kflr_ok == 1))
1754                 flbuf.f_flags = 0;
1755         lputfloor(&flbuf, floor_to_delete);
1756 }
1757
1758 /*
1759  * edit a floor
1760  */
1761 void cmd_eflr(char *argbuf)
1762 {
1763         struct floor flbuf;
1764         int floor_num;
1765         int np;
1766
1767         np = num_parms(argbuf);
1768         if (np < 1) {
1769                 cprintf("%d Usage error.\n", ERROR);
1770                 return;
1771         }
1772
1773         if (CtdlAccessCheck(ac_aide)) return;
1774
1775         floor_num = extract_int(argbuf, 0);
1776         lgetfloor(&flbuf, floor_num);
1777         if ((flbuf.f_flags & F_INUSE) == 0) {
1778                 lputfloor(&flbuf, floor_num);
1779                 cprintf("%d Floor %d is not in use.\n",
1780                         ERROR + INVALID_FLOOR_OPERATION, floor_num);
1781                 return;
1782         }
1783         if (np >= 2)
1784                 extract(flbuf.f_name, argbuf, 1);
1785         lputfloor(&flbuf, floor_num);
1786
1787         cprintf("%d Ok\n", CIT_OK);
1788 }