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