fa3d23ac43aac6fb4e52520c962627d3e2323eaf
[citadel.git] / citadel / modules / ctdlproto / serv_rooms.c
1 /* 
2  * Server functions which perform operations on room objects.
3  *
4  * Copyright (c) 1987-2015 by the citadel.org team
5  *
6  * This program is open source software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License, version 3.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  */
14
15 #include <stdio.h>
16 #include <dirent.h>     /* for cmd_rdir to read contents of the directory */
17 #include <libcitadel.h>
18
19 #include "citserver.h"
20 #include "ctdl_module.h"
21 #include "room_ops.h"
22 #include "config.h"
23
24 /*
25  * Back-back-end for all room listing commands
26  */
27 void list_roomname(struct ctdlroom *qrbuf, int ra, int current_view, int default_view)
28 {
29         char truncated_roomname[ROOMNAMELEN];
30
31         /* For my own mailbox rooms, chop off the owner prefix */
32         if ( (qrbuf->QRflags & QR_MAILBOX)
33              && (atol(qrbuf->QRname) == CC->user.usernum) ) {
34                 safestrncpy(truncated_roomname, qrbuf->QRname, sizeof truncated_roomname);
35                 safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
36                 cprintf("%s", truncated_roomname);
37         }
38         /* For all other rooms, just display the name in its entirety */
39         else {
40                 cprintf("%s", qrbuf->QRname);
41         }
42
43         /* ...and now the other parameters */
44         cprintf("|%u|%d|%d|%d|%d|%d|%d|%ld|\n",
45                 qrbuf->QRflags,
46                 (int) qrbuf->QRfloor,
47                 (int) qrbuf->QRorder,
48                 (int) qrbuf->QRflags2,
49                 ra,
50                 current_view,
51                 default_view,
52                 qrbuf->QRmtime
53         );
54 }
55
56
57 /* 
58  * cmd_lrms()   -  List all accessible rooms, known or forgotten
59  */
60 void cmd_lrms_backend(struct ctdlroom *qrbuf, void *data)
61 {
62         int FloorBeingSearched = (-1);
63         int ra;
64         int view;
65
66         FloorBeingSearched = *(int *)data;
67         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
68
69         if ((( ra & (UA_KNOWN | UA_ZAPPED)))
70             && ((qrbuf->QRfloor == (FloorBeingSearched))
71                 || ((FloorBeingSearched) < 0)))
72                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
73 }
74
75 void cmd_lrms(char *argbuf)
76 {
77         int FloorBeingSearched = (-1);
78         if (!IsEmptyStr(argbuf))
79                 FloorBeingSearched = extract_int(argbuf, 0);
80
81         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
82
83         CtdlGetUser(&CC->user, CC->curr_user);
84         cprintf("%d Accessible rooms:\n", LISTING_FOLLOWS);
85
86         CtdlForEachRoom(cmd_lrms_backend, &FloorBeingSearched);
87         cprintf("000\n");
88 }
89
90
91
92 /* 
93  * cmd_lkra()   -  List all known rooms
94  */
95 void cmd_lkra_backend(struct ctdlroom *qrbuf, void *data)
96 {
97         int FloorBeingSearched = (-1);
98         int ra;
99         int view;
100
101         FloorBeingSearched = *(int *)data;
102         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
103
104         if ((( ra & (UA_KNOWN)))
105             && ((qrbuf->QRfloor == (FloorBeingSearched))
106                 || ((FloorBeingSearched) < 0)))
107                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
108 }
109
110 void cmd_lkra(char *argbuf)
111 {
112         int FloorBeingSearched = (-1);
113         if (!IsEmptyStr(argbuf))
114                 FloorBeingSearched = extract_int(argbuf, 0);
115
116         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
117         
118         CtdlGetUser(&CC->user, CC->curr_user);
119         cprintf("%d Known rooms:\n", LISTING_FOLLOWS);
120
121         CtdlForEachRoom(cmd_lkra_backend, &FloorBeingSearched);
122         cprintf("000\n");
123 }
124
125
126
127 void cmd_lprm_backend(struct ctdlroom *qrbuf, void *data)
128 {
129         int FloorBeingSearched = (-1);
130         int ra;
131         int view;
132
133         FloorBeingSearched = *(int *)data;
134         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
135
136         if (   ((qrbuf->QRflags & QR_PRIVATE) == 0)
137                 && ((qrbuf->QRflags & QR_MAILBOX) == 0)
138             && ((qrbuf->QRfloor == (FloorBeingSearched))
139                 || ((FloorBeingSearched) < 0)))
140                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
141 }
142
143 void cmd_lprm(char *argbuf)
144 {
145         int FloorBeingSearched = (-1);
146         if (!IsEmptyStr(argbuf))
147                 FloorBeingSearched = extract_int(argbuf, 0);
148
149         cprintf("%d Public rooms:\n", LISTING_FOLLOWS);
150
151         CtdlForEachRoom(cmd_lprm_backend, &FloorBeingSearched);
152         cprintf("000\n");
153 }
154
155
156
157 /* 
158  * cmd_lkrn()   -  List all known rooms with new messages
159  */
160 void cmd_lkrn_backend(struct ctdlroom *qrbuf, void *data)
161 {
162         int FloorBeingSearched = (-1);
163         int ra;
164         int view;
165
166         FloorBeingSearched = *(int *)data;
167         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
168
169         if ((ra & UA_KNOWN)
170             && (ra & UA_HASNEWMSGS)
171             && ((qrbuf->QRfloor == (FloorBeingSearched))
172                 || ((FloorBeingSearched) < 0)))
173                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
174 }
175
176 void cmd_lkrn(char *argbuf)
177 {
178         int FloorBeingSearched = (-1);
179         if (!IsEmptyStr(argbuf))
180                 FloorBeingSearched = extract_int(argbuf, 0);
181
182         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
183         
184         CtdlGetUser(&CC->user, CC->curr_user);
185         cprintf("%d Rooms w/ new msgs:\n", LISTING_FOLLOWS);
186
187         CtdlForEachRoom(cmd_lkrn_backend, &FloorBeingSearched);
188         cprintf("000\n");
189 }
190
191
192
193 /* 
194  * cmd_lkro()   -  List all known rooms
195  */
196 void cmd_lkro_backend(struct ctdlroom *qrbuf, void *data)
197 {
198         int FloorBeingSearched = (-1);
199         int ra;
200         int view;
201
202         FloorBeingSearched = *(int *)data;
203         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
204
205         if ((ra & UA_KNOWN)
206             && ((ra & UA_HASNEWMSGS) == 0)
207             && ((qrbuf->QRfloor == (FloorBeingSearched))
208                 || ((FloorBeingSearched) < 0)))
209                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
210 }
211
212 void cmd_lkro(char *argbuf)
213 {
214         int FloorBeingSearched = (-1);
215         if (!IsEmptyStr(argbuf))
216                 FloorBeingSearched = extract_int(argbuf, 0);
217
218         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
219         
220         CtdlGetUser(&CC->user, CC->curr_user);
221         cprintf("%d Rooms w/o new msgs:\n", LISTING_FOLLOWS);
222
223         CtdlForEachRoom(cmd_lkro_backend, &FloorBeingSearched);
224         cprintf("000\n");
225 }
226
227
228
229 /* 
230  * cmd_lzrm()   -  List all forgotten rooms
231  */
232 void cmd_lzrm_backend(struct ctdlroom *qrbuf, void *data)
233 {
234         int FloorBeingSearched = (-1);
235         int ra;
236         int view;
237
238         FloorBeingSearched = *(int *)data;
239         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
240
241         if ((ra & UA_GOTOALLOWED)
242             && (ra & UA_ZAPPED)
243             && ((qrbuf->QRfloor == (FloorBeingSearched))
244                 || ((FloorBeingSearched) < 0)))
245                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
246 }
247
248 void cmd_lzrm(char *argbuf)
249 {
250         int FloorBeingSearched = (-1);
251         if (!IsEmptyStr(argbuf))
252                 FloorBeingSearched = extract_int(argbuf, 0);
253
254         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
255         
256         CtdlGetUser(&CC->user, CC->curr_user);
257         cprintf("%d Zapped rooms:\n", LISTING_FOLLOWS);
258
259         CtdlForEachRoom(cmd_lzrm_backend, &FloorBeingSearched);
260         cprintf("000\n");
261 }
262
263
264 /* 
265  * cmd_goto()  -  goto a new room
266  */
267 void cmd_goto(char *gargs)
268 {
269         struct CitContext *CCC = CC;
270         struct ctdlroom QRscratch;
271         int c;
272         int ok = 0;
273         int ra;
274         char augmented_roomname[ROOMNAMELEN];
275         char towhere[ROOMNAMELEN];
276         char password[32];
277         int transiently = 0;
278
279         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
280
281         extract_token(towhere, gargs, 0, '|', sizeof towhere);
282         extract_token(password, gargs, 1, '|', sizeof password);
283         transiently = extract_int(gargs, 2);
284
285         CtdlGetUser(&CCC->user, CCC->curr_user);
286
287         /*
288          * Handle some of the macro named rooms
289          */
290         convert_room_name_macros(towhere, sizeof towhere);
291
292         /* First try a regular match */
293         c = CtdlGetRoom(&QRscratch, towhere);
294
295         /* Then try a mailbox name match */
296         if (c != 0) {
297                 CtdlMailboxName(augmented_roomname, sizeof augmented_roomname,
298                             &CCC->user, towhere);
299                 c = CtdlGetRoom(&QRscratch, augmented_roomname);
300                 if (c == 0)
301                         safestrncpy(towhere, augmented_roomname, sizeof towhere);
302         }
303
304         /* And if the room was found... */
305         if (c == 0) {
306
307                 /* Let internal programs go directly to any room. */
308                 if (CCC->internal_pgm) {
309                         memcpy(&CCC->room, &QRscratch,
310                                 sizeof(struct ctdlroom));
311                         CtdlUserGoto(NULL, 1, transiently, NULL, NULL, NULL, NULL);
312                         return;
313                 }
314
315                 /* See if there is an existing user/room relationship */
316                 CtdlRoomAccess(&QRscratch, &CCC->user, &ra, NULL);
317
318                 /* normal clients have to pass through security */
319                 if (ra & UA_GOTOALLOWED) {
320                         ok = 1;
321                 }
322
323                 if (ok == 1) {
324                         if ((QRscratch.QRflags & QR_MAILBOX) &&
325                             ((ra & UA_GOTOALLOWED))) {
326                                 memcpy(&CCC->room, &QRscratch,
327                                         sizeof(struct ctdlroom));
328                                 CtdlUserGoto(NULL, 1, transiently, NULL, NULL, NULL, NULL);
329                                 return;
330                         } else if ((QRscratch.QRflags & QR_PASSWORDED) &&
331                             ((ra & UA_KNOWN) == 0) &&
332                             (strcasecmp(QRscratch.QRpasswd, password)) &&
333                             (CCC->user.axlevel < AxAideU)
334                             ) {
335                                 cprintf("%d wrong or missing passwd\n",
336                                         ERROR + PASSWORD_REQUIRED);
337                                 return;
338                         } else if ((QRscratch.QRflags & QR_PRIVATE) &&
339                                    ((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
340                                    ((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
341                                    ((ra & UA_KNOWN) == 0) &&
342                                    (CCC->user.axlevel < AxAideU)
343                                   ) {
344                                 CTDLM_syslog(LOG_DEBUG, "Failed to acquire private room");
345                         } else {
346                                 memcpy(&CCC->room, &QRscratch,
347                                         sizeof(struct ctdlroom));
348                                 CtdlUserGoto(NULL, 1, transiently, NULL, NULL, NULL, NULL);
349                                 return;
350                         }
351                 }
352         }
353
354         cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
355 }
356
357
358 void cmd_whok(char *cmdbuf)
359 {
360         struct ctdluser temp;
361         struct cdbdata *cdbus;
362         int ra;
363
364         cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
365         cdb_rewind(CDB_USERS);
366         while (cdbus = cdb_next_item(CDB_USERS), cdbus != NULL) {
367                 memset(&temp, 0, sizeof temp);
368                 memcpy(&temp, cdbus->ptr, sizeof temp);
369                 cdb_free(cdbus);
370
371                 CtdlRoomAccess(&CC->room, &temp, &ra, NULL);
372                 if ((!IsEmptyStr(temp.fullname)) && 
373                     (CC->room.QRflags & QR_INUSE) &&
374                     (ra & UA_KNOWN)
375                         )
376                         cprintf("%s\n", temp.fullname);
377         }
378         cprintf("000\n");
379 }
380
381
382 /*
383  * RDIR command for room directory
384  */
385 void cmd_rdir(char *cmdbuf)
386 {
387         char buf[256];
388         char comment[256];
389         FILE *fd;
390         struct stat statbuf;
391         DIR *filedir = NULL;
392         struct dirent *filedir_entry;
393         int d_namelen;
394         char buf2[SIZ];
395         char mimebuf[64];
396         long len;
397         
398         if (CtdlAccessCheck(ac_logged_in)) return;
399         
400         CtdlGetRoom(&CC->room, CC->room.QRname);
401         CtdlGetUser(&CC->user, CC->curr_user);
402
403         if ((CC->room.QRflags & QR_DIRECTORY) == 0) {
404                 cprintf("%d not here.\n", ERROR + NOT_HERE);
405                 return;
406         }
407         if (((CC->room.QRflags & QR_VISDIR) == 0)
408             && (CC->user.axlevel < AxAideU)
409             && (CC->user.usernum != CC->room.QRroomaide)) {
410                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
411                 return;
412         }
413
414         snprintf(buf, sizeof buf, "%s/%s", ctdl_file_dir, CC->room.QRdirname);
415         filedir = opendir (buf);
416         
417         if (filedir == NULL) {
418                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
419                 return;
420         }
421         cprintf("%d %s|%s/%s\n", LISTING_FOLLOWS, CtdlGetConfigStr("c_fqdn"), ctdl_file_dir, CC->room.QRdirname);
422         
423         snprintf(buf, sizeof buf, "%s/%s/filedir", ctdl_file_dir, CC->room.QRdirname);
424         fd = fopen(buf, "r");
425         if (fd == NULL)
426                 fd = fopen("/dev/null", "r");
427         while ((filedir_entry = readdir(filedir)))
428         {
429                 if (strcasecmp(filedir_entry->d_name, "filedir") && filedir_entry->d_name[0] != '.')
430                 {
431 #ifdef _DIRENT_HAVE_D_NAMELEN
432                         d_namelen = filedir_entry->d_namlen;
433 #else
434                         d_namelen = strlen(filedir_entry->d_name);
435 #endif
436                         snprintf(buf, sizeof buf, "%s/%s/%s", ctdl_file_dir, CC->room.QRdirname, filedir_entry->d_name);
437                         stat(buf, &statbuf);    /* stat the file */
438                         if (!(statbuf.st_mode & S_IFREG))
439                         {
440                                 snprintf(buf2, sizeof buf2,
441                                         "\"%s\" appears in the file directory for room \"%s\" but is not a regular file.  Directories, named pipes, sockets, etc. are not usable in Citadel room directories.\n",
442                                         buf, CC->room.QRname
443                                 );
444                                 CtdlAideMessage(buf2, "Unusable data found in room directory");
445                                 continue;       /* not a useable file type so don't show it */
446                         }
447                         safestrncpy(comment, "", sizeof comment);
448                         fseek(fd, 0L, 0);       /* rewind descriptions file */
449                         /* Get the description from the descriptions file */
450                         while ((fgets(buf, sizeof buf, fd) != NULL) && (IsEmptyStr(comment))) 
451                         {
452                                 buf[strlen(buf) - 1] = 0;
453                                 if ((!strncasecmp(buf, filedir_entry->d_name, d_namelen)) && (buf[d_namelen] == ' '))
454                                         safestrncpy(comment, &buf[d_namelen + 1], sizeof comment);
455                         }
456                         len = extract_token (mimebuf, comment, 0,' ', 64);
457                         if ((len <0) || strchr(mimebuf, '/') == NULL)
458                         {
459                                 snprintf (mimebuf, 64, "application/octetstream");
460                                 len = 0;
461                         }
462                         cprintf("%s|%ld|%s|%s\n", 
463                                 filedir_entry->d_name, 
464                                 (long)statbuf.st_size, 
465                                 mimebuf, 
466                                 &comment[len]);
467                 }
468         }
469         fclose(fd);
470         closedir(filedir);
471         
472         cprintf("000\n");
473 }
474
475 /*
476  * get room parameters (admin or room admin command)
477  */
478 void cmd_getr(char *cmdbuf)
479 {
480         if (CtdlAccessCheck(ac_room_aide)) return;
481
482         CtdlGetRoom(&CC->room, CC->room.QRname);
483         cprintf("%d%c%s|%s|%s|%d|%d|%d|%d|%d|\n",
484                 CIT_OK,
485                 CtdlCheckExpress(),
486
487                 ((CC->room.QRflags & QR_MAILBOX) ?
488                         &CC->room.QRname[11] : CC->room.QRname),
489
490                 ((CC->room.QRflags & QR_PASSWORDED) ?
491                         CC->room.QRpasswd : ""),
492
493                 ((CC->room.QRflags & QR_DIRECTORY) ?
494                         CC->room.QRdirname : ""),
495
496                 CC->room.QRflags,
497                 (int) CC->room.QRfloor,
498                 (int) CC->room.QRorder,
499
500                 CC->room.QRdefaultview,
501                 CC->room.QRflags2
502                 );
503 }
504
505 /*
506  * set room parameters (admin or room admin command)
507  */
508 void cmd_setr(char *args)
509 {
510         char buf[256];
511         int new_order = 0;
512         int r;
513         int new_floor;
514         char new_name[ROOMNAMELEN];
515
516         if (CtdlAccessCheck(ac_logged_in)) return;
517
518         if (num_parms(args) >= 6) {
519                 new_floor = extract_int(args, 5);
520         } else {
521                 new_floor = (-1);       /* don't change the floor */
522         }
523
524         /* When is a new name more than just a new name?  When the old name
525          * has a namespace prefix.
526          */
527         if (CC->room.QRflags & QR_MAILBOX) {
528                 sprintf(new_name, "%010ld.", atol(CC->room.QRname) );
529         } else {
530                 safestrncpy(new_name, "", sizeof new_name);
531         }
532         extract_token(&new_name[strlen(new_name)], args, 0, '|', (sizeof new_name - strlen(new_name)));
533
534         r = CtdlRenameRoom(CC->room.QRname, new_name, new_floor);
535
536         if (r == crr_room_not_found) {
537                 cprintf("%d Internal error - room not found?\n", ERROR + INTERNAL_ERROR);
538         } else if (r == crr_already_exists) {
539                 cprintf("%d '%s' already exists.\n",
540                         ERROR + ALREADY_EXISTS, new_name);
541         } else if (r == crr_noneditable) {
542                 cprintf("%d Cannot edit this room.\n", ERROR + NOT_HERE);
543         } else if (r == crr_invalid_floor) {
544                 cprintf("%d Target floor does not exist.\n",
545                         ERROR + INVALID_FLOOR_OPERATION);
546         } else if (r == crr_access_denied) {
547                 cprintf("%d You do not have permission to edit '%s'\n",
548                         ERROR + HIGHER_ACCESS_REQUIRED,
549                         CC->room.QRname);
550         } else if (r != crr_ok) {
551                 cprintf("%d Error: CtdlRenameRoom() returned %d\n",
552                         ERROR + INTERNAL_ERROR, r);
553         }
554
555         if (r != crr_ok) {
556                 return;
557         }
558
559         CtdlGetRoom(&CC->room, new_name);
560
561         /* Now we have to do a bunch of other stuff */
562
563         if (num_parms(args) >= 7) {
564                 new_order = extract_int(args, 6);
565                 if (new_order < 1)
566                         new_order = 1;
567                 if (new_order > 127)
568                         new_order = 127;
569         }
570
571         CtdlGetRoomLock(&CC->room, CC->room.QRname);
572
573         /* Directory room */
574         extract_token(buf, args, 2, '|', sizeof buf);
575         buf[15] = 0;
576         safestrncpy(CC->room.QRdirname, buf,
577                 sizeof CC->room.QRdirname);
578
579         /* Default view */
580         if (num_parms(args) >= 8) {
581                 CC->room.QRdefaultview = extract_int(args, 7);
582         }
583
584         /* Second set of flags */
585         if (num_parms(args) >= 9) {
586                 CC->room.QRflags2 = extract_int(args, 8);
587         }
588
589         /* Misc. flags */
590         CC->room.QRflags = (extract_int(args, 3) | QR_INUSE);
591         /* Clean up a client boo-boo: if the client set the room to
592          * guess-name or passworded, ensure that the private flag is
593          * also set.
594          */
595         if ((CC->room.QRflags & QR_GUESSNAME)
596             || (CC->room.QRflags & QR_PASSWORDED))
597                 CC->room.QRflags |= QR_PRIVATE;
598
599         /* Some changes can't apply to BASEROOM */
600         if (!strncasecmp(CC->room.QRname, CtdlGetConfigStr("c_baseroom"), ROOMNAMELEN)) {
601                 CC->room.QRorder = 0;
602                 CC->room.QRpasswd[0] = '\0';
603                 CC->room.QRflags &= ~(QR_PRIVATE & QR_PASSWORDED &
604                         QR_GUESSNAME & QR_PREFONLY & QR_MAILBOX);
605                 CC->room.QRflags |= QR_PERMANENT;
606         } else {        
607                 /* March order (doesn't apply to AIDEROOM) */
608                 if (num_parms(args) >= 7)
609                         CC->room.QRorder = (char) new_order;
610                 /* Room password */
611                 extract_token(buf, args, 1, '|', sizeof buf);
612                 buf[10] = 0;
613                 safestrncpy(CC->room.QRpasswd, buf,
614                             sizeof CC->room.QRpasswd);
615                 /* Kick everyone out if the client requested it
616                  * (by changing the room's generation number)
617                  */
618                 if (extract_int(args, 4)) {
619                         time(&CC->room.QRgen);
620                 }
621         }
622         /* Some changes can't apply to AIDEROOM */
623         if (!strncasecmp(CC->room.QRname, CtdlGetConfigStr("c_baseroom"), ROOMNAMELEN)) {
624                 CC->room.QRorder = 0;
625                 CC->room.QRflags &= ~QR_MAILBOX;
626                 CC->room.QRflags |= QR_PERMANENT;
627         }
628
629         /* Write the room record back to disk */
630         CtdlPutRoomLock(&CC->room);
631
632         /* Create a room directory if necessary */
633         if (CC->room.QRflags & QR_DIRECTORY) {
634                 snprintf(buf, sizeof buf,"%s/%s",
635                                  ctdl_file_dir,
636                                  CC->room.QRdirname);
637                 mkdir(buf, 0755);
638         }
639         snprintf(buf, sizeof buf, "The room \"%s\" has been edited by %s.\n",
640                 CC->room.QRname,
641                 (CC->logged_in ? CC->curr_user : "an administrator")
642         );
643         CtdlAideMessage(buf, "Room modification Message");
644         cprintf("%d Ok\n", CIT_OK);
645 }
646
647
648
649 /* 
650  * get the name of the room admin for this room
651  */
652 void cmd_geta(char *cmdbuf)
653 {
654         struct ctdluser usbuf;
655
656         if (CtdlAccessCheck(ac_logged_in)) return;
657
658         if (CtdlGetUserByNumber(&usbuf, CC->room.QRroomaide) == 0) {
659                 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
660         } else {
661                 cprintf("%d \n", CIT_OK);
662         }
663 }
664
665
666 /* 
667  * set the room admin for this room
668  */
669 void cmd_seta(char *new_ra)
670 {
671         struct ctdluser usbuf;
672         long newu;
673         char buf[SIZ];
674         int post_notice;
675
676         if (CtdlAccessCheck(ac_room_aide)) return;
677
678         if (CtdlGetUser(&usbuf, new_ra) != 0) {
679                 newu = (-1L);
680         } else {
681                 newu = usbuf.usernum;
682         }
683
684         CtdlGetRoomLock(&CC->room, CC->room.QRname);
685         post_notice = 0;
686         if (CC->room.QRroomaide != newu) {
687                 post_notice = 1;
688         }
689         CC->room.QRroomaide = newu;
690         CtdlPutRoomLock(&CC->room);
691
692         /*
693          * We have to post the change notice _after_ writing changes to 
694          * the room table, otherwise it would deadlock!
695          */
696         if (post_notice == 1) {
697                 if (!IsEmptyStr(usbuf.fullname))
698                         snprintf(buf, sizeof buf,
699                                 "%s is now the room admin for \"%s\".\n",
700                                 usbuf.fullname, CC->room.QRname);
701                 else
702                         snprintf(buf, sizeof buf,
703                                 "There is now no room admin for \"%s\".\n",
704                                 CC->room.QRname);
705                 CtdlAideMessage(buf, "Admin Room Modification");
706         }
707         cprintf("%d Ok\n", CIT_OK);
708 }
709
710 /* 
711  * retrieve info file for this room
712  */
713 void cmd_rinf(char *gargs)
714 {
715         char filename[PATH_MAX];
716         char buf[SIZ];
717         FILE *info_fp;
718
719         assoc_file_name(filename, sizeof filename, &CC->room, ctdl_info_dir);
720         info_fp = fopen(filename, "r");
721
722         if (info_fp == NULL) {
723                 cprintf("%d No info file.\n", ERROR + FILE_NOT_FOUND);
724                 return;
725         }
726         cprintf("%d Info:\n", LISTING_FOLLOWS);
727         while (fgets(buf, sizeof buf, info_fp) != NULL) {
728                 if (!IsEmptyStr(buf))
729                         buf[strlen(buf) - 1] = 0;
730                 cprintf("%s\n", buf);
731         }
732         cprintf("000\n");
733         fclose(info_fp);
734 }
735
736
737 /*
738  * admin command: kill the current room
739  */
740 void cmd_kill(char *argbuf)
741 {
742         char deleted_room_name[ROOMNAMELEN];
743         char msg[SIZ];
744         int kill_ok;
745
746         kill_ok = extract_int(argbuf, 0);
747
748         if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->room) == 0) {
749                 cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
750                 return;
751         }
752         if (kill_ok) {
753                 if (CC->room.QRflags & QR_MAILBOX) {
754                         safestrncpy(deleted_room_name, &CC->room.QRname[11], sizeof deleted_room_name);
755                 }
756                 else {
757                         safestrncpy(deleted_room_name, CC->room.QRname, sizeof deleted_room_name);
758                 }
759
760                 /* Do the dirty work */
761                 CtdlScheduleRoomForDeletion(&CC->room);
762
763                 /* Return to the Lobby */
764                 CtdlUserGoto(CtdlGetConfigStr("c_baseroom"), 0, 0, NULL, NULL, NULL, NULL);
765
766                 /* tell the world what we did */
767                 snprintf(msg, sizeof msg, "The room \"%s\" has been deleted by %s.\n",
768                          deleted_room_name,
769                         (CC->logged_in ? CC->curr_user : "an administrator")
770                 );
771                 CtdlAideMessage(msg, "Room Purger Message");
772                 cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
773         } else {
774                 cprintf("%d ok to delete.\n", CIT_OK);
775         }
776 }
777
778
779 /*
780  * create a new room
781  */
782 void cmd_cre8(char *args)
783 {
784         int cre8_ok;
785         char new_room_name[ROOMNAMELEN];
786         int new_room_type;
787         char new_room_pass[32];
788         int new_room_floor;
789         int new_room_view;
790         char *notification_message = NULL;
791         unsigned newflags;
792         struct floor *fl;
793         int avoid_access = 0;
794
795         cre8_ok = extract_int(args, 0);
796         extract_token(new_room_name, args, 1, '|', sizeof new_room_name);
797         new_room_name[ROOMNAMELEN - 1] = 0;
798         new_room_type = extract_int(args, 2);
799         extract_token(new_room_pass, args, 3, '|', sizeof new_room_pass);
800         avoid_access = extract_int(args, 5);
801         new_room_view = extract_int(args, 6);
802         new_room_pass[9] = 0;
803         new_room_floor = 0;
804
805         if ((IsEmptyStr(new_room_name)) && (cre8_ok == 1)) {
806                 cprintf("%d Invalid room name.\n", ERROR + ILLEGAL_VALUE);
807                 return;
808         }
809
810         if (!strcasecmp(new_room_name, MAILROOM)) {
811                 cprintf("%d '%s' already exists.\n",
812                         ERROR + ALREADY_EXISTS, new_room_name);
813                 return;
814         }
815
816         if (num_parms(args) >= 5) {
817                 fl = CtdlGetCachedFloor(extract_int(args, 4));
818                 if (fl == NULL) {
819                         cprintf("%d Invalid floor number.\n",
820                                 ERROR + INVALID_FLOOR_OPERATION);
821                         return;
822                 }
823                 else if ((fl->f_flags & F_INUSE) == 0) {
824                         cprintf("%d Invalid floor number.\n",
825                                 ERROR + INVALID_FLOOR_OPERATION);
826                         return;
827                 } else {
828                         new_room_floor = extract_int(args, 4);
829                 }
830         }
831
832         if (CtdlAccessCheck(ac_logged_in)) return;
833
834         if (CC->user.axlevel < CtdlGetConfigInt("c_createax") && !CC->internal_pgm) {
835                 cprintf("%d You need higher access to create rooms.\n",
836                         ERROR + HIGHER_ACCESS_REQUIRED);
837                 return;
838         }
839
840         if ((IsEmptyStr(new_room_name)) && (cre8_ok == 0)) {
841                 cprintf("%d Ok to create rooms.\n", CIT_OK);
842                 return;
843         }
844
845         if ((new_room_type < 0) || (new_room_type > 5)) {
846                 cprintf("%d Invalid room type.\n", ERROR + ILLEGAL_VALUE);
847                 return;
848         }
849
850         if (new_room_type == 5) {
851                 if (CC->user.axlevel < AxAideU) {
852                         cprintf("%d Higher access required\n", 
853                                 ERROR + HIGHER_ACCESS_REQUIRED);
854                         return;
855                 }
856         }
857
858         /* Check to make sure the requested room name doesn't already exist */
859         newflags = CtdlCreateRoom(new_room_name,
860                                 new_room_type, new_room_pass, new_room_floor,
861                                 0, avoid_access, new_room_view);
862         if (newflags == 0) {
863                 cprintf("%d '%s' already exists.\n",
864                         ERROR + ALREADY_EXISTS, new_room_name);
865                 return;
866         }
867
868         if (cre8_ok == 0) {
869                 cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
870                 return;
871         }
872
873         /* If we reach this point, the room needs to be created. */
874
875         newflags = CtdlCreateRoom(new_room_name,
876                            new_room_type, new_room_pass, new_room_floor, 1, 0,
877                            new_room_view);
878
879         /* post a message in Aide> describing the new room */
880         notification_message = malloc(1024);
881         snprintf(notification_message, 1024,
882                 "A new room called \"%s\" has been created by %s%s%s%s%s%s\n",
883                 new_room_name,
884                 (CC->logged_in ? CC->curr_user : "an administrator"),
885                 ((newflags & QR_MAILBOX) ? " [personal]" : ""),
886                 ((newflags & QR_PRIVATE) ? " [private]" : ""),
887                 ((newflags & QR_GUESSNAME) ? " [hidden]" : ""),
888                 ((newflags & QR_PASSWORDED) ? " Password: " : ""),
889                 ((newflags & QR_PASSWORDED) ? new_room_pass : "")
890         );
891         CtdlAideMessage(notification_message, "Room Creation Message");
892         free(notification_message);
893
894         cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
895 }
896
897
898
899 void cmd_einf(char *ok)
900 {                               /* enter info file for current room */
901         struct CitContext *CCC = CC;
902         FILE *fp;
903         char infofilename[SIZ];
904         char buf[SIZ];
905
906         unbuffer_output();
907
908         if (CtdlAccessCheck(ac_room_aide)) return;
909
910         if (atoi(ok) == 0) {
911                 cprintf("%d Ok.\n", CIT_OK);
912                 return;
913         }
914         assoc_file_name(infofilename, sizeof infofilename, &CCC->room, ctdl_info_dir);
915         CTDL_syslog(LOG_DEBUG, "opening %s", infofilename);
916         fp = fopen(infofilename, "w");
917         CTDLM_syslog(LOG_DEBUG, "checking");
918         if (fp == NULL) {
919                 cprintf("%d Cannot open %s: %s\n",
920                   ERROR + INTERNAL_ERROR, infofilename, strerror(errno));
921                 return;
922         }
923         cprintf("%d Send info...\n", SEND_LISTING);
924
925         do {
926                 client_getln(buf, sizeof buf);
927                 if (strcmp(buf, "000"))
928                         fprintf(fp, "%s\n", buf);
929         } while (strcmp(buf, "000"));
930         fclose(fp);
931
932         /* now update the room index so people will see our new info */
933         CtdlGetRoomLock(&CCC->room, CCC->room.QRname);          /* lock so no one steps on us */
934         CtdlPutRoomLock(&CCC->room);
935 }
936
937
938 /* 
939  * cmd_lflr()   -  List all known floors
940  */
941 void cmd_lflr(char *gargs)
942 {
943         int a;
944         struct floor flbuf;
945
946         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
947
948         cprintf("%d Known floors:\n", LISTING_FOLLOWS);
949
950         for (a = 0; a < MAXFLOORS; ++a) {
951                 CtdlGetFloor(&flbuf, a);
952                 if (flbuf.f_flags & F_INUSE) {
953                         cprintf("%d|%s|%d\n",
954                                 a,
955                                 flbuf.f_name,
956                                 flbuf.f_ref_count);
957                 }
958         }
959         cprintf("000\n");
960 }
961
962
963
964 /*
965  * create a new floor
966  */
967 void cmd_cflr(char *argbuf)
968 {
969         char new_floor_name[256];
970         struct floor flbuf;
971         int cflr_ok;
972         int free_slot = (-1);
973         int a;
974
975         extract_token(new_floor_name, argbuf, 0, '|', sizeof new_floor_name);
976         cflr_ok = extract_int(argbuf, 1);
977
978         if (CtdlAccessCheck(ac_aide)) return;
979
980         if (IsEmptyStr(new_floor_name)) {
981                 cprintf("%d Blank floor name not allowed.\n",
982                         ERROR + ILLEGAL_VALUE);
983                 return;
984         }
985
986         for (a = 0; a < MAXFLOORS; ++a) {
987                 CtdlGetFloor(&flbuf, a);
988
989                 /* note any free slots while we're scanning... */
990                 if (((flbuf.f_flags & F_INUSE) == 0)
991                     && (free_slot < 0))
992                         free_slot = a;
993
994                 /* check to see if it already exists */
995                 if ((!strcasecmp(flbuf.f_name, new_floor_name))
996                     && (flbuf.f_flags & F_INUSE)) {
997                         cprintf("%d Floor '%s' already exists.\n",
998                                 ERROR + ALREADY_EXISTS,
999                                 flbuf.f_name);
1000                         return;
1001                 }
1002         }
1003
1004         if (free_slot < 0) {
1005                 cprintf("%d There is no space available for a new floor.\n",
1006                         ERROR + INVALID_FLOOR_OPERATION);
1007                 return;
1008         }
1009         if (cflr_ok == 0) {
1010                 cprintf("%d ok to create...\n", CIT_OK);
1011                 return;
1012         }
1013         lgetfloor(&flbuf, free_slot);
1014         flbuf.f_flags = F_INUSE;
1015         flbuf.f_ref_count = 0;
1016         safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
1017         lputfloor(&flbuf, free_slot);
1018         cprintf("%d %d\n", CIT_OK, free_slot);
1019 }
1020
1021
1022
1023 /*
1024  * delete a floor
1025  */
1026 void cmd_kflr(char *argbuf)
1027 {
1028         struct floor flbuf;
1029         int floor_to_delete;
1030         int kflr_ok;
1031         int delete_ok;
1032
1033         floor_to_delete = extract_int(argbuf, 0);
1034         kflr_ok = extract_int(argbuf, 1);
1035
1036         if (CtdlAccessCheck(ac_aide)) return;
1037
1038         lgetfloor(&flbuf, floor_to_delete);
1039
1040         delete_ok = 1;
1041         if ((flbuf.f_flags & F_INUSE) == 0) {
1042                 cprintf("%d Floor %d not in use.\n",
1043                         ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
1044                 delete_ok = 0;
1045         } else {
1046                 if (flbuf.f_ref_count != 0) {
1047                         cprintf("%d Cannot delete; floor contains %d rooms.\n",
1048                                 ERROR + INVALID_FLOOR_OPERATION,
1049                                 flbuf.f_ref_count);
1050                         delete_ok = 0;
1051                 } else {
1052                         if (kflr_ok == 1) {
1053                                 cprintf("%d Ok\n", CIT_OK);
1054                         } else {
1055                                 cprintf("%d Ok to delete...\n", CIT_OK);
1056                         }
1057
1058                 }
1059
1060         }
1061
1062         if ((delete_ok == 1) && (kflr_ok == 1))
1063                 flbuf.f_flags = 0;
1064         lputfloor(&flbuf, floor_to_delete);
1065 }
1066
1067 /*
1068  * edit a floor
1069  */
1070 void cmd_eflr(char *argbuf)
1071 {
1072         struct floor flbuf;
1073         int floor_num;
1074         int np;
1075
1076         np = num_parms(argbuf);
1077         if (np < 1) {
1078                 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
1079                 return;
1080         }
1081
1082         if (CtdlAccessCheck(ac_aide)) return;
1083
1084         floor_num = extract_int(argbuf, 0);
1085         lgetfloor(&flbuf, floor_num);
1086         if ((flbuf.f_flags & F_INUSE) == 0) {
1087                 lputfloor(&flbuf, floor_num);
1088                 cprintf("%d Floor %d is not in use.\n",
1089                         ERROR + INVALID_FLOOR_OPERATION, floor_num);
1090                 return;
1091         }
1092         if (np >= 2)
1093                 extract_token(flbuf.f_name, argbuf, 1, '|', sizeof flbuf.f_name);
1094         lputfloor(&flbuf, floor_num);
1095
1096         cprintf("%d Ok\n", CIT_OK);
1097 }
1098
1099
1100
1101 /* 
1102  * cmd_stat()  -  return the modification time of the current room (maybe other things in the future)
1103  */
1104 void cmd_stat(char *gargs)
1105 {
1106         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
1107         CtdlGetRoom(&CC->room, CC->room.QRname);
1108         cprintf("%d %s|%ld|\n", CIT_OK, CC->room.QRname, CC->room.QRmtime);
1109 }
1110
1111
1112
1113
1114 /*****************************************************************************/
1115 /*                      MODULE INITIALIZATION STUFF                          */
1116 /*****************************************************************************/
1117
1118 CTDL_MODULE_INIT(rooms)
1119 {
1120         if (!threading) {
1121                 CtdlRegisterProtoHook(cmd_lrms, "LRMS", "List rooms");
1122                 CtdlRegisterProtoHook(cmd_lkra, "LKRA", "List all known rooms");
1123                 CtdlRegisterProtoHook(cmd_lkrn, "LKRN", "List known rooms with new messages");
1124                 CtdlRegisterProtoHook(cmd_lkro, "LKRO", "List known rooms without new messages");
1125                 CtdlRegisterProtoHook(cmd_lzrm, "LZRM", "List zapped rooms");
1126                 CtdlRegisterProtoHook(cmd_lprm, "LPRM", "List public rooms");
1127                 CtdlRegisterProtoHook(cmd_goto, "GOTO", "Goto a named room");
1128                 CtdlRegisterProtoHook(cmd_stat, "STAT", "Get mtime of the current room");
1129                 CtdlRegisterProtoHook(cmd_whok, "WHOK", "List users who know this room");
1130                 CtdlRegisterProtoHook(cmd_rdir, "RDIR", "List files in room directory");
1131                 CtdlRegisterProtoHook(cmd_getr, "GETR", "Get room parameters");
1132                 CtdlRegisterProtoHook(cmd_setr, "SETR", "Set room parameters");
1133                 CtdlRegisterProtoHook(cmd_geta, "GETA", "Get the room admin name");
1134                 CtdlRegisterProtoHook(cmd_seta, "SETA", "Set the room admin for this room");
1135                 CtdlRegisterProtoHook(cmd_rinf, "RINF", "Fetch room info file");
1136                 CtdlRegisterProtoHook(cmd_kill, "KILL", "Kill (delete) the current room");
1137                 CtdlRegisterProtoHook(cmd_cre8, "CRE8", "Create a new room");
1138                 CtdlRegisterProtoHook(cmd_einf, "EINF", "Enter info file for the current room");
1139                 CtdlRegisterProtoHook(cmd_lflr, "LFLR", "List all known floors");
1140                 CtdlRegisterProtoHook(cmd_cflr, "CFLR", "Create a new floor");
1141                 CtdlRegisterProtoHook(cmd_kflr, "KFLR", "Kill a floor");
1142                 CtdlRegisterProtoHook(cmd_eflr, "EFLR", "Edit a floor");
1143         }
1144         /* return our Subversion id for the Log */
1145         return "rooms";
1146 }