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, 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, new_messages, total_messages);
 810
 811         if (display_result)
 812                 cprintf("%d%c%s|%d|%d|%d|%d|%ld|%ld|%d|%d|%d|%d|%d\n",
 813                         CIT_OK, CtdlCheckExpress(),
 814                         truncated_roomname,
 815                         new_messages, total_messages,
 816                         info, CC->quickroom.QRflags,
 817                         CC->quickroom.QRhighest,
 818                         vbuf.v_lastseen,
 819                         rmailflag, raideflag, newmailcount,
 820                         CC->quickroom.QRfloor,
 821                         vbuf.v_view);
 822 }
 823
 824
 825 /*
 826  * cmd_goto()  -  goto a new room
 827  */
 828 void cmd_goto(char *gargs)
 829 {
 830         struct quickroom QRscratch;
 831         int c;
 832         int ok = 0;
 833         int ra;
 834         char augmented_roomname[SIZ];
 835         char towhere[SIZ];
 836         char password[SIZ];
 837         int transiently = 0;
 838
 839         if (CtdlAccessCheck(ac_logged_in)) return;
 840
 841         extract(towhere, gargs, 0);
 842         extract(password, gargs, 1);
 843         transiently = extract_int(gargs, 2);
 844
 845         getuser(&CC->usersupp, CC->curr_user);
 846
 847         if (!strcasecmp(towhere, "_BASEROOM_"))
 848                 strcpy(towhere, config.c_baseroom);
 849
 850         if (!strcasecmp(towhere, "_MAIL_"))
 851                 strcpy(towhere, MAILROOM);
 852
 853         if (!strcasecmp(towhere, "_BITBUCKET_"))
 854                 strcpy(towhere, config.c_twitroom);
 855
 856
 857         /* First try a regular match */
 858         c = getroom(&QRscratch, towhere);
 859
 860         /* Then try a mailbox name match */
 861         if (c != 0) {
 862                 MailboxName(augmented_roomname, sizeof augmented_roomname,
 863                             &CC->usersupp, towhere);
 864                 c = getroom(&QRscratch, augmented_roomname);
 865                 if (c == 0)
 866                         strcpy(towhere, augmented_roomname);
 867         }
 868
 869         /* And if the room was found... */
 870         if (c == 0) {
 871
 872                 /* Let internal programs go directly to any room. */
 873                 if (CC->internal_pgm) {
 874                         memcpy(&CC->quickroom, &QRscratch,
 875                                 sizeof(struct quickroom));
 876                         usergoto(NULL, 1, transiently, NULL, NULL);
 877                         return;
 878                 }
 879
 880                 /* See if there is an existing user/room relationship */
 881                 ra = CtdlRoomAccess(&QRscratch, &CC->usersupp);
 882
 883                 /* normal clients have to pass through security */
 884                 if (ra & UA_GOTOALLOWED) {
 885                         ok = 1;
 886                 }
 887
 888                 if (ok == 1) {
 889                         if ((QRscratch.QRflags & QR_MAILBOX) &&
 890                             ((ra & UA_GOTOALLOWED))) {
 891                                 memcpy(&CC->quickroom, &QRscratch,
 892                                         sizeof(struct quickroom));
 893                                 usergoto(NULL, 1, transiently, NULL, NULL);
 894                                 return;
 895                         } else if ((QRscratch.QRflags & QR_PASSWORDED) &&
 896                             ((ra & UA_KNOWN) == 0) &&
 897                             (strcasecmp(QRscratch.QRpasswd, password)) &&
 898                             (CC->usersupp.axlevel < 6)
 899                             ) {
 900                                 cprintf("%d wrong or missing passwd\n",
 901                                         ERROR + PASSWORD_REQUIRED);
 902                                 return;
 903                         } else if ((QRscratch.QRflags & QR_PRIVATE) &&
 904                                    ((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
 905                                    ((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
 906                                    ((ra & UA_KNOWN) == 0) &&
 907                                    (CC->usersupp.axlevel < 6)
 908                                   ) {
 909                                 lprintf(9, "Failed to acquire private room\n");
 910                                 goto NOPE;
 911                         } else {
 912                                 memcpy(&CC->quickroom, &QRscratch,
 913                                         sizeof(struct quickroom));
 914                                 usergoto(NULL, 1, transiently, NULL, NULL);
 915                                 return;
 916                         }
 917                 }
 918         }
 919
 920 NOPE:   cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
 921 }
 922
 923
 924 void cmd_whok(void)
 925 {
 926         struct usersupp temp;
 927         struct cdbdata *cdbus;
 928
 929         getuser(&CC->usersupp, CC->curr_user);
 930
 931         /*
 932          * This command is only allowed by aides, room aides,
 933          * and room namespace owners
 934          */
 935         if (is_room_aide()
 936            || (atol(CC->quickroom.QRname) == CC->usersupp.usernum) ) {
 937                 /* access granted */
 938         }
 939         else {
 940                 /* access denied */
 941                 cprintf("%d Higher access or room ownership required.\n",
 942                         ERROR + HIGHER_ACCESS_REQUIRED);
 943                 return;
 944         }
 945
 946         cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
 947         cdb_rewind(CDB_USERSUPP);
 948         while (cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 949                 memset(&temp, 0, sizeof temp);
 950                 memcpy(&temp, cdbus->ptr, sizeof temp);
 951                 cdb_free(cdbus);
 952
 953                 if ((CC->quickroom.QRflags & QR_INUSE)
 954                     && (CtdlRoomAccess(&CC->quickroom, &temp) & UA_KNOWN)
 955                     )
 956                         cprintf("%s\n", temp.fullname);
 957         }
 958         cprintf("000\n");
 959 }
 960
 961
 962 /*
 963  * RDIR command for room directory
 964  */
 965 void cmd_rdir(void)
 966 {
 967         char buf[SIZ];
 968         char flnm[SIZ];
 969         char comment[SIZ];
 970         FILE *ls, *fd;
 971         struct stat statbuf;
 972
 973         if (CtdlAccessCheck(ac_logged_in)) return;
 974
 975         getroom(&CC->quickroom, CC->quickroom.QRname);
 976         getuser(&CC->usersupp, CC->curr_user);
 977
 978         if ((CC->quickroom.QRflags & QR_DIRECTORY) == 0) {
 979                 cprintf("%d not here.\n", ERROR + NOT_HERE);
 980                 return;
 981         }
 982         if (((CC->quickroom.QRflags & QR_VISDIR) == 0)
 983             && (CC->usersupp.axlevel < 6)
 984             && (CC->usersupp.usernum != CC->quickroom.QRroomaide)) {
 985                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
 986                 return;
 987         }
 988         cprintf("%d %s|%s/files/%s\n",
 989         LISTING_FOLLOWS, config.c_fqdn, BBSDIR, CC->quickroom.QRdirname);
 990
 991         snprintf(buf, sizeof buf, "ls %s/files/%s  >%s 2> /dev/null",
 992                 BBSDIR, CC->quickroom.QRdirname, CC->temp);
 993         system(buf);
 994
 995         snprintf(buf, sizeof buf, "%s/files/%s/filedir", BBSDIR, CC->quickroom.QRdirname);
 996         fd = fopen(buf, "r");
 997         if (fd == NULL)
 998                 fd = fopen("/dev/null", "r");
 999
1000         ls = fopen(CC->temp, "r");
1001         while (fgets(flnm, sizeof flnm, ls) != NULL) {
1002                 flnm[strlen(flnm) - 1] = 0;
1003                 if (strcasecmp(flnm, "filedir")) {
1004                         snprintf(buf, sizeof buf, "%s/files/%s/%s",
1005                                 BBSDIR, CC->quickroom.QRdirname, flnm);
1006                         stat(buf, &statbuf);
1007                         strcpy(comment, "");
1008                         fseek(fd, 0L, 0);
1009                         while ((fgets(buf, sizeof buf, fd) != NULL)
1010                                && (strlen(comment) == 0)) {
1011                                 buf[strlen(buf) - 1] = 0;
1012                                 if ((!strncasecmp(buf, flnm, strlen(flnm)))
1013                                     && (buf[strlen(flnm)] == ' '))
1014                                         safestrncpy(comment,
1015                                             &buf[strlen(flnm) + 1],
1016                                             sizeof comment);
1017                         }
1018                         cprintf("%s|%ld|%s\n", flnm, (long)statbuf.st_size, comment);
1019                 }
1020         }
1021         fclose(ls);
1022         fclose(fd);
1023         unlink(CC->temp);
1024
1025         cprintf("000\n");
1026 }
1027
1028 /*
1029  * get room parameters (aide or room aide command)
1030  */
1031 void cmd_getr(void)
1032 {
1033         if (CtdlAccessCheck(ac_room_aide)) return;
1034
1035         getroom(&CC->quickroom, CC->quickroom.QRname);
1036         cprintf("%d%c%s|%s|%s|%d|%d|%d|%d|%d|\n",
1037                 CIT_OK,
1038                 CtdlCheckExpress(),
1039
1040                 ((CC->quickroom.QRflags & QR_MAILBOX) ?
1041                         &CC->quickroom.QRname[11] : CC->quickroom.QRname),
1042
1043                 ((CC->quickroom.QRflags & QR_PASSWORDED) ?
1044                         CC->quickroom.QRpasswd : ""),
1045
1046                 ((CC->quickroom.QRflags & QR_DIRECTORY) ?
1047                         CC->quickroom.QRdirname : ""),
1048
1049                 CC->quickroom.QRflags,
1050                 (int) CC->quickroom.QRfloor,
1051                 (int) CC->quickroom.QRorder,
1052
1053                 CC->quickroom.QRdefaultview,
1054                 CC->quickroom.QRflags2
1055                 );
1056 }
1057
1058
1059 /*
1060  * Back end function to rename a room.
1061  * You can also specify which floor to move the room to, or specify -1 to
1062  * keep the room on the same floor it was on.
1063  *
1064  * If you are renaming a mailbox room, you must supply the namespace prefix
1065  * in *at least* the old name!
1066  */
1067 int CtdlRenameRoom(char *old_name, char *new_name, int new_floor) {
1068         int old_floor = 0;
1069         struct quickroom qrbuf;
1070         struct quickroom qrtmp;
1071         int ret = 0;
1072         struct floor *fl;
1073         struct floor flbuf;
1074         long owner = 0L;
1075         char actual_old_name[SIZ];
1076
1077         lprintf(9, "CtdlRenameRoom(%s, %s, %d)\n",
1078                 old_name, new_name, new_floor);
1079
1080         if (new_floor >= 0) {
1081                 fl = cgetfloor(new_floor);
1082                 if ((fl->f_flags & F_INUSE) == 0) {
1083                         return(crr_invalid_floor);
1084                 }
1085         }
1086
1087         begin_critical_section(S_QUICKROOM);
1088
1089         if ( (getroom(&qrtmp, new_name) == 0)
1090            && (strcasecmp(new_name, old_name)) ) {
1091                 ret = crr_already_exists;
1092         }
1093
1094         else if (getroom(&qrbuf, old_name) != 0) {
1095                 ret = crr_room_not_found;
1096         }
1097
1098         else if ( (CC->usersupp.axlevel < 6)
1099                   && (CC->usersupp.usernum != qrbuf.QRroomaide)
1100                   && ( (((qrbuf.QRflags & QR_MAILBOX) == 0) || (atol(qrbuf.QRname) != CC->usersupp.usernum))) )  {
1101                 ret = crr_access_denied;
1102         }
1103
1104         else if (is_noneditable(&qrbuf)) {
1105                 ret = crr_noneditable;
1106         }
1107
1108         else {
1109                 /* Rename it */
1110                 strcpy(actual_old_name, qrbuf.QRname);
1111                 if (qrbuf.QRflags & QR_MAILBOX) {
1112                         owner = atol(qrbuf.QRname);
1113                 }
1114                 if ( (owner > 0L) && (atol(new_name) == 0L) ) {
1115                         snprintf(qrbuf.QRname, sizeof(qrbuf.QRname),
1116                                         "%010ld.%s", owner, new_name);
1117                 }
1118                 else {
1119                         safestrncpy(qrbuf.QRname, new_name,
1120                                                 sizeof(qrbuf.QRname));
1121                 }
1122
1123                 /* Reject change of floor for baseroom/aideroom */
1124                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN) ||
1125                     !strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1126                         new_floor = 0;
1127                 }
1128
1129                 /* Take care of floor stuff */
1130                 old_floor = qrbuf.QRfloor;
1131                 if (new_floor < 0) {
1132                         new_floor = old_floor;
1133                 }
1134                 qrbuf.QRfloor = new_floor;
1135                 putroom(&qrbuf);
1136
1137                 begin_critical_section(S_CONFIG);
1138
1139                 /* If baseroom/aideroom name changes, update config */
1140                 if (!strncasecmp(old_name, config.c_baseroom, ROOMNAMELEN)) {
1141                         safestrncpy(config.c_baseroom, new_name, ROOMNAMELEN);
1142                         put_config();
1143                 }
1144                 if (!strncasecmp(old_name, config.c_aideroom, ROOMNAMELEN)) {
1145                         safestrncpy(config.c_aideroom, new_name, ROOMNAMELEN);
1146                         put_config();
1147                 }
1148
1149                 end_critical_section(S_CONFIG);
1150
1151                 /* If the room name changed, then there are now two room
1152                  * records, so we have to delete the old one.
1153                  */
1154                 if (strcasecmp(new_name, old_name)) {
1155                         b_deleteroom(actual_old_name);
1156                 }
1157
1158                 ret = crr_ok;
1159         }
1160
1161         end_critical_section(S_QUICKROOM);
1162
1163         /* Adjust the floor reference counts if necessary */
1164         if (new_floor != old_floor) {
1165                 lgetfloor(&flbuf, old_floor);
1166                 --flbuf.f_ref_count;
1167                 lputfloor(&flbuf, old_floor);
1168                 lgetfloor(&flbuf, CC->quickroom.QRfloor);
1169                 ++flbuf.f_ref_count;
1170                 lputfloor(&flbuf, CC->quickroom.QRfloor);
1171         }
1172
1173         /* ...and everybody say "YATTA!" */
1174         return(ret);
1175 }
1176
1177
1178 /*
1179  * set room parameters (aide or room aide command)
1180  */
1181 void cmd_setr(char *args)
1182 {
1183         char buf[SIZ];
1184         int new_order = 0;
1185         int r;
1186         int new_floor;
1187         char new_name[ROOMNAMELEN];
1188
1189         if (CtdlAccessCheck(ac_logged_in)) return;
1190
1191         if (num_parms(args) >= 6) {
1192                 new_floor = extract_int(args, 5);
1193         } else {
1194                 new_floor = (-1);       /* don't change the floor */
1195         }
1196
1197         /* When is a new name more than just a new name?  When the old name
1198          * has a namespace prefix.
1199          */
1200         if (CC->quickroom.QRflags & QR_MAILBOX) {
1201                 sprintf(new_name, "%010ld.", atol(CC->quickroom.QRname) );
1202         } else {
1203                 strcpy(new_name, "");
1204         }
1205         extract(&new_name[strlen(new_name)], args, 0);
1206
1207         r = CtdlRenameRoom(CC->quickroom.QRname, new_name, new_floor);
1208
1209         if (r == crr_room_not_found) {
1210                 cprintf("%d Internal error - room not found?\n", ERROR);
1211         } else if (r == crr_already_exists) {
1212                 cprintf("%d '%s' already exists.\n",
1213                         ERROR + ALREADY_EXISTS, new_name);
1214         } else if (r == crr_noneditable) {
1215                 cprintf("%d Cannot edit this room.\n", ERROR);
1216         } else if (r == crr_invalid_floor) {
1217                 cprintf("%d Target floor does not exist.\n",
1218                         ERROR + INVALID_FLOOR_OPERATION);
1219         } else if (r == crr_access_denied) {
1220                 cprintf("%d You do not have permission to edit '%s'\n",
1221                         ERROR + HIGHER_ACCESS_REQUIRED,
1222                         CC->quickroom.QRname);
1223         } else if (r != crr_ok) {
1224                 cprintf("%d Error: CtdlRenameRoom() returned %d\n",
1225                         ERROR, r);
1226         }
1227
1228         if (r != crr_ok) {
1229                 return;
1230         }
1231
1232         getroom(&CC->quickroom, new_name);
1233
1234         /* Now we have to do a bunch of other stuff */
1235
1236         if (num_parms(args) >= 7) {
1237                 new_order = extract_int(args, 6);
1238                 if (new_order < 1)
1239                         new_order = 1;
1240                 if (new_order > 127)
1241                         new_order = 127;
1242         }
1243
1244         lgetroom(&CC->quickroom, CC->quickroom.QRname);
1245
1246         /* Directory room */
1247         extract(buf, args, 2);
1248         buf[15] = 0;
1249         safestrncpy(CC->quickroom.QRdirname, buf,
1250                 sizeof CC->quickroom.QRdirname);
1251
1252         /* Default view */
1253         if (num_parms(args) >= 8) {
1254                 CC->quickroom.QRdefaultview = extract_int(args, 7);
1255         }
1256
1257         /* Second set of flags */
1258         if (num_parms(args) >= 9) {
1259                 CC->quickroom.QRflags2 = extract_int(args, 8);
1260         }
1261
1262         /* Misc. flags */
1263         CC->quickroom.QRflags = (extract_int(args, 3) | QR_INUSE);
1264         /* Clean up a client boo-boo: if the client set the room to
1265          * guess-name or passworded, ensure that the private flag is
1266          * also set.
1267          */
1268         if ((CC->quickroom.QRflags & QR_GUESSNAME)
1269             || (CC->quickroom.QRflags & QR_PASSWORDED))
1270                 CC->quickroom.QRflags |= QR_PRIVATE;
1271
1272         /* Some changes can't apply to BASEROOM */
1273         if (!strncasecmp(CC->quickroom.QRname, config.c_baseroom,
1274                          ROOMNAMELEN)) {
1275                 CC->quickroom.QRorder = 0;
1276                 CC->quickroom.QRpasswd[0] = '\0';
1277                 CC->quickroom.QRflags &= ~(QR_PRIVATE & QR_PASSWORDED &
1278                         QR_GUESSNAME & QR_PREFONLY & QR_MAILBOX);
1279                 CC->quickroom.QRflags |= QR_PERMANENT;
1280         } else {
1281                 /* March order (doesn't apply to AIDEROOM) */
1282                 if (num_parms(args) >= 7)
1283                         CC->quickroom.QRorder = (char) new_order;
1284                 /* Room password */
1285                 extract(buf, args, 1);
1286                 buf[10] = 0;
1287                 safestrncpy(CC->quickroom.QRpasswd, buf,
1288                             sizeof CC->quickroom.QRpasswd);
1289                 /* Kick everyone out if the client requested it
1290                  * (by changing the room's generation number)
1291                  */
1292                 if (extract_int(args, 4)) {
1293                         time(&CC->quickroom.QRgen);
1294                 }
1295         }
1296         /* Some changes can't apply to AIDEROOM */
1297         if (!strncasecmp(CC->quickroom.QRname, config.c_baseroom,
1298                          ROOMNAMELEN)) {
1299                 CC->quickroom.QRorder = 0;
1300                 CC->quickroom.QRflags &= ~QR_MAILBOX;
1301                 CC->quickroom.QRflags |= QR_PERMANENT;
1302         }
1303
1304         /* Write the room record back to disk */
1305         lputroom(&CC->quickroom);
1306
1307         /* Create a room directory if necessary */
1308         if (CC->quickroom.QRflags & QR_DIRECTORY) {
1309                 snprintf(buf, sizeof buf,
1310                     "mkdir ./files/%s </dev/null >/dev/null 2>/dev/null",
1311                         CC->quickroom.QRdirname);
1312                 system(buf);
1313         }
1314         snprintf(buf, sizeof buf, "%s> edited by %s\n", CC->quickroom.QRname, CC->curr_user);
1315         aide_message(buf);
1316         cprintf("%d Ok\n", CIT_OK);
1317 }
1318
1319
1320
1321 /*
1322  * get the name of the room aide for this room
1323  */
1324 void cmd_geta(void)
1325 {
1326         struct usersupp usbuf;
1327
1328         if (CtdlAccessCheck(ac_logged_in)) return;
1329
1330         if (getuserbynumber(&usbuf, CC->quickroom.QRroomaide) == 0) {
1331                 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
1332         } else {
1333                 cprintf("%d \n", CIT_OK);
1334         }
1335 }
1336
1337
1338 /*
1339  * set the room aide for this room
1340  */
1341 void cmd_seta(char *new_ra)
1342 {
1343         struct usersupp usbuf;
1344         long newu;
1345         char buf[SIZ];
1346         int post_notice;
1347
1348         if (CtdlAccessCheck(ac_room_aide)) return;
1349
1350         if (getuser(&usbuf, new_ra) != 0) {
1351                 newu = (-1L);
1352         } else {
1353                 newu = usbuf.usernum;
1354         }
1355
1356         lgetroom(&CC->quickroom, CC->quickroom.QRname);
1357         post_notice = 0;
1358         if (CC->quickroom.QRroomaide != newu) {
1359                 post_notice = 1;
1360         }
1361         CC->quickroom.QRroomaide = newu;
1362         lputroom(&CC->quickroom);
1363
1364         /*
1365          * We have to post the change notice _after_ writing changes to
1366          * the room table, otherwise it would deadlock!
1367          */
1368         if (post_notice == 1) {
1369                 if (strlen(usbuf.fullname) > 0)
1370                         snprintf(buf, sizeof buf,
1371                                 "%s is now room aide for %s>\n",
1372                                 usbuf.fullname, CC->quickroom.QRname);
1373                 else
1374                         snprintf(buf, sizeof buf,
1375                                 "There is now no room aide for %s>\n",
1376                                 CC->quickroom.QRname);
1377                 aide_message(buf);
1378         }
1379         cprintf("%d Ok\n", CIT_OK);
1380 }
1381
1382 /*
1383  * Generate an associated file name for a room
1384  */
1385 void assoc_file_name(char *buf, size_t n,
1386                      struct quickroom *qrbuf, const char *prefix)
1387 {
1388         snprintf(buf, n, "./%s/%ld", prefix, qrbuf->QRnumber);
1389 }
1390
1391 /*
1392  * retrieve info file for this room
1393  */
1394 void cmd_rinf(void)
1395 {
1396         char filename[128];
1397         char buf[SIZ];
1398         FILE *info_fp;
1399
1400         assoc_file_name(filename, sizeof filename, &CC->quickroom, "info");
1401         info_fp = fopen(filename, "r");
1402
1403         if (info_fp == NULL) {
1404                 cprintf("%d No info file.\n", ERROR);
1405                 return;
1406         }
1407         cprintf("%d Info:\n", LISTING_FOLLOWS);
1408         while (fgets(buf, sizeof buf, info_fp) != NULL) {
1409                 if (strlen(buf) > 0)
1410                         buf[strlen(buf) - 1] = 0;
1411                 cprintf("%s\n", buf);
1412         }
1413         cprintf("000\n");
1414         fclose(info_fp);
1415 }
1416
1417 /*
1418  * Back end processing to delete a room and everything associated with it
1419  */
1420 void delete_room(struct quickroom *qrbuf)
1421 {
1422         struct floor flbuf;
1423         char filename[100];
1424
1425         lprintf(9, "Deleting room <%s>\n", qrbuf->QRname);
1426
1427         /* Delete the info file */
1428         assoc_file_name(filename, sizeof filename, qrbuf, "info");
1429         unlink(filename);
1430
1431         /* Delete the image file */
1432         assoc_file_name(filename, sizeof filename, qrbuf, "images");
1433         unlink(filename);
1434
1435         /* Delete the room's network config file */
1436         assoc_file_name(filename, sizeof filename, qrbuf, "netconfigs");
1437         unlink(filename);
1438
1439         /* Delete the messages in the room
1440          * (Careful: this opens an S_QUICKROOM critical section!)
1441          */
1442         CtdlDeleteMessages(qrbuf->QRname, 0L, "");
1443
1444         /* Flag the room record as not in use */
1445         lgetroom(qrbuf, qrbuf->QRname);
1446         qrbuf->QRflags = 0;
1447         lputroom(qrbuf);
1448
1449         /* then decrement the reference count for the floor */
1450         lgetfloor(&flbuf, (int) (qrbuf->QRfloor));
1451         flbuf.f_ref_count = flbuf.f_ref_count - 1;
1452         lputfloor(&flbuf, (int) (qrbuf->QRfloor));
1453
1454         /* Delete the room record from the database! */
1455         b_deleteroom(qrbuf->QRname);
1456 }
1457
1458
1459
1460 /*
1461  * Check access control for deleting a room
1462  */
1463 int CtdlDoIHavePermissionToDeleteThisRoom(struct quickroom *qr) {
1464
1465         if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
1466                 return(0);
1467         }
1468
1469         if (is_noneditable(qr)) {
1470                 return(0);
1471         }
1472
1473         /*
1474          * For mailboxes, check stuff
1475          */
1476         if (qr->QRflags & QR_MAILBOX) {
1477
1478                 if (strlen(qr->QRname) < 12) return(0); /* bad name */
1479
1480                 if (atol(qr->QRname) != CC->usersupp.usernum) {
1481                         return(0);      /* not my room */
1482                 }
1483
1484                 /* Can't delete your Mail> room */
1485                 if (!strcasecmp(&qr->QRname[12], MAILROOM)) return(0);
1486
1487                 /* Otherwise it's ok */
1488                 return(1);
1489         }
1490
1491         /*
1492          * For normal rooms, just check for aide or room aide status.
1493          */
1494         return(is_room_aide());
1495 }
1496
1497 /*
1498  * aide command: kill the current room
1499  */
1500 void cmd_kill(char *argbuf)
1501 {
1502         char aaa[100];
1503         char deleted_room_name[ROOMNAMELEN];
1504         int kill_ok;
1505
1506         kill_ok = extract_int(argbuf, 0);
1507
1508         if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->quickroom) == 0) {
1509                 cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
1510                 return;
1511         }
1512         if (kill_ok) {
1513                 strcpy(deleted_room_name, CC->quickroom.QRname);
1514                 delete_room(&CC->quickroom);    /* Do the dirty work */
1515                 usergoto(config.c_baseroom, 0, 0, NULL, NULL); /* Return to the Lobby */
1516
1517                 /* tell the world what we did */
1518                 snprintf(aaa, sizeof aaa, "%s> killed by %s\n",
1519                          deleted_room_name, CC->curr_user);
1520                 aide_message(aaa);
1521                 cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
1522         } else {
1523                 cprintf("%d ok to delete.\n", CIT_OK);
1524         }
1525 }
1526
1527
1528 /*
1529  * Internal code to create a new room (returns room flags)
1530  *
1531  * Room types:  0=public, 1=guessname, 2=passworded, 3=inv-only,
1532  *              4=mailbox, 5=mailbox, but caller supplies namespace
1533  */
1534 unsigned create_room(char *new_room_name,
1535                      int new_room_type,
1536                      char *new_room_pass,
1537                      int new_room_floor,
1538                      int really_create,
1539                      int avoid_access)
1540 {
1541
1542         struct quickroom qrbuf;
1543         struct floor flbuf;
1544         struct visit vbuf;
1545
1546         lprintf(9, "create_room(%s)\n", new_room_name);
1547         if (getroom(&qrbuf, new_room_name) == 0) {
1548                 lprintf(9, "%s already exists.\n", new_room_name);
1549                 return (0);     /* already exists */
1550         }
1551
1552
1553         memset(&qrbuf, 0, sizeof(struct quickroom));
1554         safestrncpy(qrbuf.QRpasswd, new_room_pass, sizeof qrbuf.QRpasswd);
1555         qrbuf.QRflags = QR_INUSE;
1556         if (new_room_type > 0)
1557                 qrbuf.QRflags = (qrbuf.QRflags | QR_PRIVATE);
1558         if (new_room_type == 1)
1559                 qrbuf.QRflags = (qrbuf.QRflags | QR_GUESSNAME);
1560         if (new_room_type == 2)
1561                 qrbuf.QRflags = (qrbuf.QRflags | QR_PASSWORDED);
1562         if ( (new_room_type == 4) || (new_room_type == 5) )
1563                 qrbuf.QRflags = (qrbuf.QRflags | QR_MAILBOX);
1564
1565         /* If the user is requesting a personal room, set up the room
1566          * name accordingly (prepend the user number)
1567          */
1568         if (new_room_type == 4) {
1569                 MailboxName(qrbuf.QRname, sizeof qrbuf.QRname, &CC->usersupp, new_room_name);
1570         }
1571         else {
1572                 safestrncpy(qrbuf.QRname, new_room_name, sizeof qrbuf.QRname);
1573         }
1574
1575         /* If the room is private, and the system administrator has elected
1576          * to automatically grant room aide privileges, do so now; otherwise,
1577          * set the room aide to undefined.
1578          */
1579         if ((qrbuf.QRflags & QR_PRIVATE) && (CREATAIDE == 1)) {
1580                 qrbuf.QRroomaide = CC->usersupp.usernum;
1581         } else {
1582                 qrbuf.QRroomaide = (-1L);
1583         }
1584
1585         /*
1586          * If the caller is only interested in testing whether this will work,
1587          * return now without creating the room.
1588          */
1589         if (!really_create) return (qrbuf.QRflags);
1590
1591         qrbuf.QRnumber = get_new_room_number();
1592         qrbuf.QRhighest = 0L;   /* No messages in this room yet */
1593         time(&qrbuf.QRgen);     /* Use a timestamp as the generation number */
1594         qrbuf.QRfloor = new_room_floor;
1595
1596         /* save what we just did... */
1597         putroom(&qrbuf);
1598
1599         /* bump the reference count on whatever floor the room is on */
1600         lgetfloor(&flbuf, (int) qrbuf.QRfloor);
1601         flbuf.f_ref_count = flbuf.f_ref_count + 1;
1602         lputfloor(&flbuf, (int) qrbuf.QRfloor);
1603
1604         /* Grant the creator access to the room unless the avoid_access
1605          * parameter was specified.
1606          */
1607         if (avoid_access == 0) {
1608                 lgetuser(&CC->usersupp, CC->curr_user);
1609                 CtdlGetRelationship(&vbuf, &CC->usersupp, &qrbuf);
1610                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
1611                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
1612                 CtdlSetRelationship(&vbuf, &CC->usersupp, &qrbuf);
1613                 lputuser(&CC->usersupp);
1614         }
1615
1616         /* resume our happy day */
1617         return (qrbuf.QRflags);
1618 }
1619
1620
1621 /*
1622  * create a new room
1623  */
1624 void cmd_cre8(char *args)
1625 {
1626         int cre8_ok;
1627         char new_room_name[SIZ];
1628         int new_room_type;
1629         char new_room_pass[SIZ];
1630         int new_room_floor;
1631         char aaa[SIZ];
1632         unsigned newflags;
1633         struct floor *fl;
1634         int avoid_access = 0;
1635
1636         cre8_ok = extract_int(args, 0);
1637         extract(new_room_name, args, 1);
1638         new_room_name[ROOMNAMELEN - 1] = 0;
1639         new_room_type = extract_int(args, 2);
1640         extract(new_room_pass, args, 3);
1641         avoid_access = extract_int(args, 5);
1642         new_room_pass[9] = 0;
1643         new_room_floor = 0;
1644
1645         if ((strlen(new_room_name) == 0) && (cre8_ok == 1)) {
1646                 cprintf("%d Invalid room name.\n", ERROR);
1647                 return;
1648         }
1649
1650         if (!strcasecmp(new_room_name, MAILROOM)) {
1651                 cprintf("%d '%s' already exists.\n",
1652                         ERROR + ALREADY_EXISTS, new_room_name);
1653                 return;
1654         }
1655
1656         if (num_parms(args) >= 5) {
1657                 fl = cgetfloor(extract_int(args, 4));
1658                 if ((fl->f_flags & F_INUSE) == 0) {
1659                         cprintf("%d Invalid floor number.\n",
1660                                 ERROR + INVALID_FLOOR_OPERATION);
1661                         return;
1662                 } else {
1663                         new_room_floor = extract_int(args, 4);
1664                 }
1665         }
1666
1667         if (CtdlAccessCheck(ac_logged_in)) return;
1668
1669         if (CC->usersupp.axlevel < config.c_createax) {
1670                 cprintf("%d You need higher access to create rooms.\n",
1671                         ERROR + HIGHER_ACCESS_REQUIRED);
1672                 return;
1673         }
1674
1675         if ((strlen(new_room_name) == 0) && (cre8_ok == 0)) {
1676                 cprintf("%d Ok to create rooms.\n", CIT_OK);
1677                 return;
1678         }
1679
1680         if ((new_room_type < 0) || (new_room_type > 5)) {
1681                 cprintf("%d Invalid room type.\n", ERROR);
1682                 return;
1683         }
1684
1685         if (new_room_type == 5) {
1686                 if ((config.c_aide_mailboxes == 0)
1687                    || (CC->usersupp.axlevel < 6)) {
1688                         cprintf("%d Higher access required\n",
1689                                 ERROR+HIGHER_ACCESS_REQUIRED);
1690                         return;
1691                 }
1692         }
1693
1694         /* Check to make sure the requested room name doesn't already exist */
1695         newflags = create_room(new_room_name,
1696                                 new_room_type, new_room_pass, new_room_floor,
1697                                 0, avoid_access);
1698         if (newflags == 0) {
1699                 cprintf("%d '%s' already exists.\n",
1700                         ERROR + ALREADY_EXISTS, new_room_name);
1701                 return;
1702         }
1703
1704         if (cre8_ok == 0) {
1705                 cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
1706                 return;
1707         }
1708
1709         /* If we reach this point, the room needs to be created. */
1710
1711         newflags = create_room(new_room_name,
1712                            new_room_type, new_room_pass, new_room_floor, 1, 0);
1713
1714         /* post a message in Aide> describing the new room */
1715         safestrncpy(aaa, new_room_name, sizeof aaa);
1716         strcat(aaa, "> created by ");
1717         strcat(aaa, CC->usersupp.fullname);
1718         if (newflags & QR_MAILBOX)
1719                 strcat(aaa, " [personal]");
1720         else if (newflags & QR_PRIVATE)
1721                 strcat(aaa, " [private]");
1722         if (newflags & QR_GUESSNAME)
1723                 strcat(aaa, "[guessname] ");
1724         if (newflags & QR_PASSWORDED) {
1725                 strcat(aaa, "\n Password: ");
1726                 strcat(aaa, new_room_pass);
1727         }
1728         strcat(aaa, "\n");
1729         aide_message(aaa);
1730
1731         cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
1732 }
1733
1734
1735
1736 void cmd_einf(char *ok)
1737 {                               /* enter info file for current room */
1738         FILE *fp;
1739         char infofilename[SIZ];
1740         char buf[SIZ];
1741
1742         if (CtdlAccessCheck(ac_room_aide)) return;
1743
1744         if (atoi(ok) == 0) {
1745                 cprintf("%d Ok.\n", CIT_OK);
1746                 return;
1747         }
1748         assoc_file_name(infofilename, sizeof infofilename, &CC->quickroom, "info");
1749         lprintf(9, "opening\n");
1750         fp = fopen(infofilename, "w");
1751         lprintf(9, "checking\n");
1752         if (fp == NULL) {
1753                 cprintf("%d Cannot open %s: %s\n",
1754                   ERROR + INTERNAL_ERROR, infofilename, strerror(errno));
1755                 return;
1756         }
1757         cprintf("%d Send info...\n", SEND_LISTING);
1758
1759         do {
1760                 client_gets(buf);
1761                 if (strcmp(buf, "000"))
1762                         fprintf(fp, "%s\n", buf);
1763         } while (strcmp(buf, "000"));
1764         fclose(fp);
1765
1766         /* now update the room index so people will see our new info */
1767         lgetroom(&CC->quickroom, CC->quickroom.QRname);         /* lock so no one steps on us */
1768         CC->quickroom.QRinfo = CC->quickroom.QRhighest + 1L;
1769         lputroom(&CC->quickroom);
1770 }
1771
1772
1773 /*
1774  * cmd_lflr()   -  List all known floors
1775  */
1776 void cmd_lflr(void)
1777 {
1778         int a;
1779         struct floor flbuf;
1780
1781         if (CtdlAccessCheck(ac_logged_in)) return;
1782
1783         cprintf("%d Known floors:\n", LISTING_FOLLOWS);
1784
1785         for (a = 0; a < MAXFLOORS; ++a) {
1786                 getfloor(&flbuf, a);
1787                 if (flbuf.f_flags & F_INUSE) {
1788                         cprintf("%d|%s|%d\n",
1789                                 a,
1790                                 flbuf.f_name,
1791                                 flbuf.f_ref_count);
1792                 }
1793         }
1794         cprintf("000\n");
1795 }
1796
1797
1798
1799 /*
1800  * create a new floor
1801  */
1802 void cmd_cflr(char *argbuf)
1803 {
1804         char new_floor_name[SIZ];
1805         struct floor flbuf;
1806         int cflr_ok;
1807         int free_slot = (-1);
1808         int a;
1809
1810         extract(new_floor_name, argbuf, 0);
1811         cflr_ok = extract_int(argbuf, 1);
1812
1813
1814         if (CtdlAccessCheck(ac_aide)) return;
1815
1816         for (a = 0; a < MAXFLOORS; ++a) {
1817                 getfloor(&flbuf, a);
1818
1819                 /* note any free slots while we're scanning... */
1820                 if (((flbuf.f_flags & F_INUSE) == 0)
1821                     && (free_slot < 0))
1822                         free_slot = a;
1823
1824                 /* check to see if it already exists */
1825                 if ((!strcasecmp(flbuf.f_name, new_floor_name))
1826                     && (flbuf.f_flags & F_INUSE)) {
1827                         cprintf("%d Floor '%s' already exists.\n",
1828                                 ERROR + ALREADY_EXISTS,
1829                                 flbuf.f_name);
1830                         return;
1831                 }
1832         }
1833
1834         if (free_slot < 0) {
1835                 cprintf("%d There is no space available for a new floor.\n",
1836                         ERROR + INVALID_FLOOR_OPERATION);
1837                 return;
1838         }
1839         if (cflr_ok == 0) {
1840                 cprintf("%d ok to create...\n", CIT_OK);
1841                 return;
1842         }
1843         lgetfloor(&flbuf, free_slot);
1844         flbuf.f_flags = F_INUSE;
1845         flbuf.f_ref_count = 0;
1846         safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
1847         lputfloor(&flbuf, free_slot);
1848         cprintf("%d %d\n", CIT_OK, free_slot);
1849 }
1850
1851
1852
1853 /*
1854  * delete a floor
1855  */
1856 void cmd_kflr(char *argbuf)
1857 {
1858         struct floor flbuf;
1859         int floor_to_delete;
1860         int kflr_ok;
1861         int delete_ok;
1862
1863         floor_to_delete = extract_int(argbuf, 0);
1864         kflr_ok = extract_int(argbuf, 1);
1865
1866         if (CtdlAccessCheck(ac_aide)) return;
1867
1868         lgetfloor(&flbuf, floor_to_delete);
1869
1870         delete_ok = 1;
1871         if ((flbuf.f_flags & F_INUSE) == 0) {
1872                 cprintf("%d Floor %d not in use.\n",
1873                         ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
1874                 delete_ok = 0;
1875         } else {
1876                 if (flbuf.f_ref_count != 0) {
1877                         cprintf("%d Cannot delete; floor contains %d rooms.\n",
1878                                 ERROR + INVALID_FLOOR_OPERATION,
1879                                 flbuf.f_ref_count);
1880                         delete_ok = 0;
1881                 } else {
1882                         if (kflr_ok == 1) {
1883                                 cprintf("%d Ok\n", CIT_OK);
1884                         } else {
1885                                 cprintf("%d Ok to delete...\n", CIT_OK);
1886                         }
1887
1888                 }
1889
1890         }
1891
1892         if ((delete_ok == 1) && (kflr_ok == 1))
1893                 flbuf.f_flags = 0;
1894         lputfloor(&flbuf, floor_to_delete);
1895 }
1896
1897 /*
1898  * edit a floor
1899  */
1900 void cmd_eflr(char *argbuf)
1901 {
1902         struct floor flbuf;
1903         int floor_num;
1904         int np;
1905
1906         np = num_parms(argbuf);
1907         if (np < 1) {
1908                 cprintf("%d Usage error.\n", ERROR);
1909                 return;
1910         }
1911
1912         if (CtdlAccessCheck(ac_aide)) return;
1913
1914         floor_num = extract_int(argbuf, 0);
1915         lgetfloor(&flbuf, floor_num);
1916         if ((flbuf.f_flags & F_INUSE) == 0) {
1917                 lputfloor(&flbuf, floor_num);
1918                 cprintf("%d Floor %d is not in use.\n",
1919                         ERROR + INVALID_FLOOR_OPERATION, floor_num);
1920                 return;
1921         }
1922         if (np >= 2)
1923                 extract(flbuf.f_name, argbuf, 1);
1924         lputfloor(&flbuf, floor_num);
1925
1926         cprintf("%d Ok\n", CIT_OK);
1927 }