a6bd3036ba0557e2d43603dcaf28dfab2209f74f
[citadel.git] / citadel / server / modules / ctdlproto / serv_rooms.c
1 // Server functions which perform operations on room objects.
2 //
3 // Copyright (c) 1987-2022 by the citadel.org team
4 //
5 // This program is open source software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License, version 3.
7 //
8 // This program is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 // GNU General Public License for more details.
12
13 #include <stdlib.h>
14 #include <unistd.h>
15 #include <stdio.h>
16 #include <sys/types.h>
17 #include <sys/stat.h>
18 #include <dirent.h>     /* for cmd_rdir to read contents of the directory */
19 #include <libcitadel.h>
20
21 #include "../../citserver.h"
22 #include "../../ctdl_module.h"
23 #include "../../room_ops.h"
24 #include "../../config.h"
25
26 // Back-back-end for all room listing commands
27 void list_roomname(struct ctdlroom *qrbuf, int ra, int current_view, int default_view) {
28         char truncated_roomname[ROOMNAMELEN];
29
30         // For my own mailbox rooms, chop off the owner prefix
31         if ( (qrbuf->QRflags & QR_MAILBOX)
32              && (atol(qrbuf->QRname) == CC->user.usernum) ) {
33                 safestrncpy(truncated_roomname, qrbuf->QRname, sizeof truncated_roomname);
34                 safestrncpy(truncated_roomname, &truncated_roomname[11], sizeof truncated_roomname);
35                 cprintf("%s", truncated_roomname);
36         }
37         // For all other rooms, just display the name in its entirety
38         else {
39                 cprintf("%s", qrbuf->QRname);
40         }
41
42         /* ...and now the other parameters */
43         cprintf("|%u|%d|%d|%d|%d|%d|%d|%ld|\n",
44                 qrbuf->QRflags,
45                 (int) qrbuf->QRfloor,
46                 (int) qrbuf->QRorder,
47                 (int) qrbuf->QRflags2,
48                 ra,
49                 current_view,
50                 default_view,
51                 qrbuf->QRmtime
52         );
53 }
54
55
56 // cmd_lrms()   -  List all accessible rooms, known or forgotten
57 void cmd_lrms_backend(struct ctdlroom *qrbuf, void *data) {
58         int FloorBeingSearched = (-1);
59         int ra;
60         int view;
61
62         FloorBeingSearched = *(int *)data;
63         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
64
65         if ((( ra & (UA_KNOWN | UA_ZAPPED)))
66             && ((qrbuf->QRfloor == (FloorBeingSearched))
67                 || ((FloorBeingSearched) < 0)))
68                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
69 }
70
71
72 void cmd_lrms(char *argbuf) {
73         int FloorBeingSearched = (-1);
74         if (!IsEmptyStr(argbuf))
75                 FloorBeingSearched = extract_int(argbuf, 0);
76
77         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
78
79         CtdlGetUser(&CC->user, CC->curr_user);
80         cprintf("%d Accessible rooms:\n", LISTING_FOLLOWS);
81
82         CtdlForEachRoom(cmd_lrms_backend, &FloorBeingSearched);
83         cprintf("000\n");
84 }
85
86
87 // cmd_lkra()   -  List all known rooms
88 void cmd_lkra_backend(struct ctdlroom *qrbuf, void *data) {
89         int FloorBeingSearched = (-1);
90         int ra;
91         int view;
92
93         FloorBeingSearched = *(int *)data;
94         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
95
96         if ((( ra & (UA_KNOWN))) && ((qrbuf->QRfloor == (FloorBeingSearched)) || ((FloorBeingSearched) < 0))) {
97                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
98         }
99 }
100
101
102 void cmd_lkra(char *argbuf) {
103         int FloorBeingSearched = (-1);
104         if (!IsEmptyStr(argbuf)) {
105                 FloorBeingSearched = extract_int(argbuf, 0);
106         }
107
108         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
109         
110         CtdlGetUser(&CC->user, CC->curr_user);
111         cprintf("%d Known rooms:\n", LISTING_FOLLOWS);
112
113         CtdlForEachRoom(cmd_lkra_backend, &FloorBeingSearched);
114         cprintf("000\n");
115 }
116
117
118 void cmd_lprm_backend(struct ctdlroom *qrbuf, void *data) {
119         int FloorBeingSearched = (-1);
120         int ra;
121         int view;
122
123         FloorBeingSearched = *(int *)data;
124         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
125
126         if (((qrbuf->QRflags & QR_PRIVATE) == 0) && ((qrbuf->QRflags & QR_MAILBOX) == 0) && ((qrbuf->QRfloor == (FloorBeingSearched)) || ((FloorBeingSearched) < 0))) {
127                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
128         }
129 }
130
131
132 void cmd_lprm(char *argbuf) {
133         int FloorBeingSearched = (-1);
134         if (!IsEmptyStr(argbuf)) {
135                 FloorBeingSearched = extract_int(argbuf, 0);
136         }
137
138         cprintf("%d Public rooms:\n", LISTING_FOLLOWS);
139
140         CtdlForEachRoom(cmd_lprm_backend, &FloorBeingSearched);
141         cprintf("000\n");
142 }
143
144
145 // cmd_lkrn()   -  List all known rooms with new messages
146 void cmd_lkrn_backend(struct ctdlroom *qrbuf, void *data) {
147         int FloorBeingSearched = (-1);
148         int ra;
149         int view;
150
151         FloorBeingSearched = *(int *)data;
152         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
153
154         if ((ra & UA_KNOWN) && (ra & UA_HASNEWMSGS) && ((qrbuf->QRfloor == (FloorBeingSearched)) || ((FloorBeingSearched) < 0))) {
155                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
156         }
157 }
158
159
160 void cmd_lkrn(char *argbuf) {
161         int FloorBeingSearched = (-1);
162         if (!IsEmptyStr(argbuf)) {
163                 FloorBeingSearched = extract_int(argbuf, 0);
164         }
165
166         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
167         
168         CtdlGetUser(&CC->user, CC->curr_user);
169         cprintf("%d Rooms w/ new msgs:\n", LISTING_FOLLOWS);
170
171         CtdlForEachRoom(cmd_lkrn_backend, &FloorBeingSearched);
172         cprintf("000\n");
173 }
174
175
176 // cmd_lkro()   -  List all known rooms
177 void cmd_lkro_backend(struct ctdlroom *qrbuf, void *data) {
178         int FloorBeingSearched = (-1);
179         int ra;
180         int view;
181
182         FloorBeingSearched = *(int *)data;
183         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
184
185         if ((ra & UA_KNOWN) && ((ra & UA_HASNEWMSGS) == 0) && ((qrbuf->QRfloor == (FloorBeingSearched)) || ((FloorBeingSearched) < 0))) {
186                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
187         }
188 }
189
190
191 void cmd_lkro(char *argbuf) {
192         int FloorBeingSearched = (-1);
193         if (!IsEmptyStr(argbuf)) {
194                 FloorBeingSearched = extract_int(argbuf, 0);
195         }
196
197         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
198         
199         CtdlGetUser(&CC->user, CC->curr_user);
200         cprintf("%d Rooms w/o new msgs:\n", LISTING_FOLLOWS);
201
202         CtdlForEachRoom(cmd_lkro_backend, &FloorBeingSearched);
203         cprintf("000\n");
204 }
205
206
207 // cmd_lzrm()   -  List all forgotten rooms
208 void cmd_lzrm_backend(struct ctdlroom *qrbuf, void *data) {
209         int FloorBeingSearched = (-1);
210         int ra;
211         int view;
212
213         FloorBeingSearched = *(int *)data;
214         CtdlRoomAccess(qrbuf, &CC->user, &ra, &view);
215
216         if ((ra & UA_GOTOALLOWED) && (ra & UA_ZAPPED) && ((qrbuf->QRfloor == (FloorBeingSearched)) || ((FloorBeingSearched) < 0))) {
217                 list_roomname(qrbuf, ra, view, qrbuf->QRdefaultview);
218         }
219 }
220
221
222 void cmd_lzrm(char *argbuf) {
223         int FloorBeingSearched = (-1);
224         if (!IsEmptyStr(argbuf))
225                 FloorBeingSearched = extract_int(argbuf, 0);
226
227         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
228         
229         CtdlGetUser(&CC->user, CC->curr_user);
230         cprintf("%d Zapped rooms:\n", LISTING_FOLLOWS);
231
232         CtdlForEachRoom(cmd_lzrm_backend, &FloorBeingSearched);
233         cprintf("000\n");
234 }
235
236
237 // cmd_goto()  -  goto a new room
238 void cmd_goto(char *gargs) {
239         struct ctdlroom QRscratch;
240         int c;
241         int ok = 0;
242         int ra;
243         char augmented_roomname[ROOMNAMELEN];
244         char towhere[ROOMNAMELEN];
245         char password[32];
246         int transiently = 0;
247
248         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
249
250         extract_token(towhere, gargs, 0, '|', sizeof towhere);
251         extract_token(password, gargs, 1, '|', sizeof password);
252         transiently = extract_int(gargs, 2);
253
254         CtdlGetUser(&CC->user, CC->curr_user);
255
256         // Handle some of the macro named rooms
257         convert_room_name_macros(towhere, sizeof towhere);
258
259         // First try a regular match
260         c = CtdlGetRoom(&QRscratch, towhere);
261
262         // Then try a mailbox name match
263         if (c != 0) {
264                 CtdlMailboxName(augmented_roomname, sizeof augmented_roomname, &CC->user, towhere);
265                 c = CtdlGetRoom(&QRscratch, augmented_roomname);
266                 if (c == 0) {
267                         safestrncpy(towhere, augmented_roomname, sizeof towhere);
268                 }
269         }
270
271         // And if the room was found...
272         if (c == 0) {
273                 // Let internal programs go directly to any room.
274                 if (CC->internal_pgm) {
275                         memcpy(&CC->room, &QRscratch, sizeof(struct ctdlroom));
276                         CtdlUserGoto(NULL, 1, transiently, NULL, NULL, NULL, NULL);
277                         return;
278                 }
279
280                 // See if there is an existing user/room relationship
281                 CtdlRoomAccess(&QRscratch, &CC->user, &ra, NULL);
282
283                 // normal clients have to pass through security
284                 if (ra & UA_GOTOALLOWED) {
285                         ok = 1;
286                 }
287
288                 if (ok == 1) {
289                         if ((QRscratch.QRflags & QR_MAILBOX) &&
290                             ((ra & UA_GOTOALLOWED))) {
291                                 memcpy(&CC->room, &QRscratch, sizeof(struct ctdlroom));
292                                 CtdlUserGoto(NULL, 1, transiently, NULL, NULL, NULL, NULL);
293                                 return;
294                         }
295                         else if ((QRscratch.QRflags & QR_PASSWORDED) &&
296                                 ((ra & UA_KNOWN) == 0) &&
297                                 (strcasecmp(QRscratch.QRpasswd, password)) &&
298                                 (CC->user.axlevel < AxAideU)
299                         ) {
300                                 cprintf("%d wrong or missing passwd\n", ERROR + PASSWORD_REQUIRED);
301                                 return;
302                         }
303                         else if ((QRscratch.QRflags & QR_PRIVATE) &&
304                                    ((QRscratch.QRflags & QR_PASSWORDED) == 0) &&
305                                    ((QRscratch.QRflags & QR_GUESSNAME) == 0) &&
306                                    ((ra & UA_KNOWN) == 0) &&
307                                    (CC->user.axlevel < AxAideU)
308                                   ) {
309                                 syslog(LOG_DEBUG, "rooms: failed to acquire private room");
310                         }
311                         else {
312                                 memcpy(&CC->room, &QRscratch, sizeof(struct ctdlroom));
313                                 CtdlUserGoto(NULL, 1, transiently, NULL, NULL, NULL, NULL);
314                                 return;
315                         }
316                 }
317         }
318
319         cprintf("%d room '%s' not found\n", ERROR + ROOM_NOT_FOUND, towhere);
320 }
321
322
323 void cmd_whok(char *cmdbuf) {
324         struct ctdluser temp;
325         struct cdbkeyval cdbus;
326         int ra;
327
328         cprintf("%d Who knows room:\n", LISTING_FOLLOWS);
329         cdb_rewind(CDB_USERS);
330         while (cdbus = cdb_next_item(CDB_USERS), cdbus.val.ptr!=NULL) {         // always read to the end
331                 memset(&temp, 0, sizeof temp);
332                 memcpy(&temp, cdbus.val.ptr, sizeof temp);
333                 CtdlRoomAccess(&CC->room, &temp, &ra, NULL);
334                 if ((!IsEmptyStr(temp.fullname)) && (CC->room.QRflags & QR_INUSE) && (ra & UA_KNOWN)) {
335                         cprintf("%s\n", temp.fullname);
336                 }
337         }
338         cprintf("000\n");
339 }
340
341
342 // RDIR command for room directory
343 void cmd_rdir(char *cmdbuf) {
344         char buf[256];
345         char comment[256];
346         FILE *fd;
347         struct stat statbuf;
348         DIR *filedir = NULL;
349         struct dirent *filedir_entry;
350         int d_namelen;
351         char buf2[SIZ];
352         char mimebuf[64];
353         long len;
354         
355         if (CtdlAccessCheck(ac_logged_in)) return;
356         
357         CtdlGetRoom(&CC->room, CC->room.QRname);
358         CtdlGetUser(&CC->user, CC->curr_user);
359
360         if ((CC->room.QRflags & QR_DIRECTORY) == 0) {
361                 cprintf("%d not here.\n", ERROR + NOT_HERE);
362                 return;
363         }
364         if (((CC->room.QRflags & QR_VISDIR) == 0)
365                 && (CC->user.axlevel < AxAideU)
366                 && (CC->user.usernum != CC->room.QRroomaide))
367         {
368                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
369                 return;
370         }
371
372         snprintf(buf, sizeof buf, "%s/%s", ctdl_file_dir, CC->room.QRdirname);
373         filedir = opendir (buf);
374         
375         if (filedir == NULL) {
376                 cprintf("%d not here.\n", ERROR + HIGHER_ACCESS_REQUIRED);
377                 return;
378         }
379         cprintf("%d %s|%s/%s\n", LISTING_FOLLOWS, CtdlGetConfigStr("c_fqdn"), ctdl_file_dir, CC->room.QRdirname);
380         
381         snprintf(buf, sizeof buf, "%s/%s/filedir", ctdl_file_dir, CC->room.QRdirname);
382         fd = fopen(buf, "r");
383         if (fd == NULL) {
384                 fd = fopen("/dev/null", "r");
385         }
386         while ((filedir_entry = readdir(filedir))) {
387                 if (strcasecmp(filedir_entry->d_name, "filedir") && filedir_entry->d_name[0] != '.') {
388 #ifdef _DIRENT_HAVE_D_NAMELEN
389                         d_namelen = filedir_entry->d_namlen;
390 #else
391                         d_namelen = strlen(filedir_entry->d_name);
392 #endif
393                         snprintf(buf, sizeof buf, "%s/%s/%s", ctdl_file_dir, CC->room.QRdirname, filedir_entry->d_name);
394                         stat(buf, &statbuf);    /* stat the file */
395                         if (!(statbuf.st_mode & S_IFREG)) {
396                                 snprintf(buf2, sizeof buf2,
397                                         "\"%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",
398                                         buf, CC->room.QRname
399                                 );
400                                 CtdlAideMessage(buf2, "Unusable data found in room directory");
401                                 continue;       /* not a useable file type so don't show it */
402                         }
403                         safestrncpy(comment, "", sizeof comment);
404                         fseek(fd, 0L, 0);       /* rewind descriptions file */
405                         /* Get the description from the descriptions file */
406                         while ((fgets(buf, sizeof buf, fd) != NULL) && (IsEmptyStr(comment))) {
407                                 buf[strlen(buf) - 1] = 0;
408                                 if ((!strncasecmp(buf, filedir_entry->d_name, d_namelen)) && (buf[d_namelen] == ' '))
409                                         safestrncpy(comment, &buf[d_namelen + 1], sizeof comment);
410                         }
411                         len = extract_token (mimebuf, comment, 0,' ', 64);
412                         if ((len <0) || strchr(mimebuf, '/') == NULL) {
413                                 snprintf (mimebuf, 64, "application/octetstream");
414                                 len = 0;
415                         }
416                         cprintf("%s|%ld|%s|%s\n", 
417                                 filedir_entry->d_name, 
418                                 (long)statbuf.st_size, 
419                                 mimebuf, 
420                                 &comment[len]);
421                 }
422         }
423         fclose(fd);
424         closedir(filedir);
425         
426         cprintf("000\n");
427 }
428
429
430 // get room parameters (admin or room admin command)
431 void cmd_getr(char *cmdbuf) {
432         if (CtdlAccessCheck(ac_room_aide)) return;
433
434         CtdlGetRoom(&CC->room, CC->room.QRname);
435         cprintf("%d%c%s|%s|%s|%d|%d|%d|%d|%d|\n",
436                 CIT_OK,
437                 CtdlCheckExpress(),
438                 ((CC->room.QRflags & QR_MAILBOX) ?  &CC->room.QRname[11] : CC->room.QRname),
439                 ((CC->room.QRflags & QR_PASSWORDED) ?  CC->room.QRpasswd : ""),
440                 ((CC->room.QRflags & QR_DIRECTORY) ?  CC->room.QRdirname : ""),
441                 CC->room.QRflags,
442                 (int) CC->room.QRfloor,
443                 (int) CC->room.QRorder,
444                 CC->room.QRdefaultview,
445                 CC->room.QRflags2
446         );
447 }
448
449
450 // set room parameters (admin or room admin command)
451 void cmd_setr(char *args) {
452         char buf[256];
453         int new_order = 0;
454         int r;
455         int new_floor;
456         char new_name[ROOMNAMELEN];
457
458         if (CtdlAccessCheck(ac_logged_in)) return;
459
460         if (num_parms(args) >= 6) {
461                 new_floor = extract_int(args, 5);
462         }
463         else {
464                 new_floor = (-1);       /* don't change the floor */
465         }
466
467         /* When is a new name more than just a new name?  When the old name
468          * has a namespace prefix.
469          */
470         if (CC->room.QRflags & QR_MAILBOX) {
471                 sprintf(new_name, "%010ld.", atol(CC->room.QRname) );
472         }
473         else {
474                 safestrncpy(new_name, "", sizeof new_name);
475         }
476         extract_token(&new_name[strlen(new_name)], args, 0, '|', (sizeof new_name - strlen(new_name)));
477
478         r = CtdlRenameRoom(CC->room.QRname, new_name, new_floor);
479
480         if (r == crr_room_not_found) {
481                 cprintf("%d Internal error - room not found?\n", ERROR + INTERNAL_ERROR);
482         }
483         else if (r == crr_already_exists) {
484                 cprintf("%d '%s' already exists.\n",
485                         ERROR + ALREADY_EXISTS, new_name);
486         }
487         else if (r == crr_noneditable) {
488                 cprintf("%d Cannot edit this room.\n", ERROR + NOT_HERE);
489         }
490         else if (r == crr_invalid_floor) {
491                 cprintf("%d Target floor does not exist.\n",
492                         ERROR + INVALID_FLOOR_OPERATION);
493         }
494         else if (r == crr_access_denied) {
495                 cprintf("%d You do not have permission to edit '%s'\n",
496                         ERROR + HIGHER_ACCESS_REQUIRED,
497                         CC->room.QRname);
498         }
499         else if (r != crr_ok) {
500                 cprintf("%d Error: CtdlRenameRoom() returned %d\n",
501                         ERROR + INTERNAL_ERROR, r);
502         }
503
504         if (r != crr_ok) {
505                 return;
506         }
507
508         CtdlGetRoom(&CC->room, new_name);
509
510         /* Now we have to do a bunch of other stuff */
511
512         if (num_parms(args) >= 7) {
513                 new_order = extract_int(args, 6);
514                 if (new_order < 1)
515                         new_order = 1;
516                 if (new_order > 127)
517                         new_order = 127;
518         }
519
520         CtdlGetRoomLock(&CC->room, CC->room.QRname);
521
522         /* Directory room */
523         extract_token(buf, args, 2, '|', sizeof buf);
524         buf[15] = 0;
525         safestrncpy(CC->room.QRdirname, buf, sizeof CC->room.QRdirname);
526
527         /* Default view */
528         if (num_parms(args) >= 8) {
529                 CC->room.QRdefaultview = extract_int(args, 7);
530         }
531
532         /* Second set of flags */
533         if (num_parms(args) >= 9) {
534                 CC->room.QRflags2 = extract_int(args, 8);
535         }
536
537         /* Misc. flags */
538         CC->room.QRflags = (extract_int(args, 3) | QR_INUSE);
539         /* Clean up a client boo-boo: if the client set the room to
540          * guess-name or passworded, ensure that the private flag is
541          * also set.
542          */
543         if ((CC->room.QRflags & QR_GUESSNAME) || (CC->room.QRflags & QR_PASSWORDED)) CC->room.QRflags |= QR_PRIVATE;
544
545         /* Some changes can't apply to BASEROOM */
546         if (!strncasecmp(CC->room.QRname, CtdlGetConfigStr("c_baseroom"), ROOMNAMELEN)) {
547                 CC->room.QRorder = 0;
548                 CC->room.QRpasswd[0] = '\0';
549                 CC->room.QRflags &= ~(QR_PRIVATE & QR_PASSWORDED & QR_GUESSNAME & QR_PREFONLY & QR_MAILBOX);
550                 CC->room.QRflags |= QR_PERMANENT;
551         }
552         else {  
553                 /* March order (doesn't apply to AIDEROOM) */
554                 if (num_parms(args) >= 7)
555                         CC->room.QRorder = (char) new_order;
556                 /* Room password */
557                 extract_token(buf, args, 1, '|', sizeof buf);
558                 buf[10] = 0;
559                 safestrncpy(CC->room.QRpasswd, buf, sizeof CC->room.QRpasswd);
560                 /* Kick everyone out if the client requested it
561                  * (by changing the room's generation number)
562                  */
563                 if (extract_int(args, 4)) {
564                         time(&CC->room.QRgen);
565                 }
566         }
567         /* Some changes can't apply to AIDEROOM */
568         if (!strncasecmp(CC->room.QRname, CtdlGetConfigStr("c_baseroom"), ROOMNAMELEN)) {
569                 CC->room.QRorder = 0;
570                 CC->room.QRflags &= ~QR_MAILBOX;
571                 CC->room.QRflags |= QR_PERMANENT;
572         }
573
574         /* Write the room record back to disk */
575         CtdlPutRoomLock(&CC->room);
576
577         /* Create a room directory if necessary */
578         if (CC->room.QRflags & QR_DIRECTORY) {
579                 snprintf(buf, sizeof buf,"%s/%s", ctdl_file_dir, CC->room.QRdirname);
580                 mkdir(buf, 0755);
581         }
582         snprintf(buf, sizeof buf, "The room \"%s\" has been edited by %s.\n",
583                 CC->room.QRname,
584                 (CC->logged_in ? CC->curr_user : "an administrator")
585         );
586         CtdlAideMessage(buf, "Room modification Message");
587         cprintf("%d Ok\n", CIT_OK);
588 }
589
590
591 // get the name of the room admin for this room
592 void cmd_geta(char *cmdbuf) {
593         struct ctdluser usbuf;
594
595         if (CtdlAccessCheck(ac_logged_in)) return;
596
597         if (CtdlGetUserByNumber(&usbuf, CC->room.QRroomaide) == 0) {
598                 cprintf("%d %s\n", CIT_OK, usbuf.fullname);
599         }
600         else {
601                 cprintf("%d \n", CIT_OK);
602         }
603 }
604
605
606 // set the room admin for this room
607 void cmd_seta(char *new_ra) {
608         struct ctdluser usbuf;
609         long newu;
610         char buf[SIZ];
611         int post_notice;
612
613         if (CtdlAccessCheck(ac_room_aide)) return;
614
615         if (CtdlGetUser(&usbuf, new_ra) != 0) {
616                 newu = (-1L);
617         }
618         else {
619                 newu = usbuf.usernum;
620         }
621
622         CtdlGetRoomLock(&CC->room, CC->room.QRname);
623         post_notice = 0;
624         if (CC->room.QRroomaide != newu) {
625                 post_notice = 1;
626         }
627         CC->room.QRroomaide = newu;
628         CtdlPutRoomLock(&CC->room);
629
630         // We have to post the change notice _after_ writing changes to 
631         // the room table, otherwise it would deadlock!
632         if (post_notice == 1) {
633                 if (!IsEmptyStr(usbuf.fullname))
634                         snprintf(buf, sizeof buf,
635                                 "%s is now the room admin for \"%s\".\n",
636                                 usbuf.fullname, CC->room.QRname);
637                 else
638                         snprintf(buf, sizeof buf,
639                                 "There is now no room admin for \"%s\".\n",
640                                 CC->room.QRname);
641                 CtdlAideMessage(buf, "Admin Room Modification");
642         }
643         cprintf("%d Ok\n", CIT_OK);
644 }
645
646
647 // Retrieve info file for this room (this ought to be upgraded to handle non-plain-text)
648 void cmd_rinf(char *argbuf) {
649         struct CtdlMessage *msg = CtdlFetchMessage(CC->room.msgnum_info, 1);
650         if (msg != NULL) {
651                 cprintf("%d Info:\n", LISTING_FOLLOWS);
652                 CtdlOutputPreLoadedMsg(msg, MT_CITADEL, HEADERS_NONE, 0, 0, 0);
653                 CM_Free(msg);
654                 cprintf("000\n");
655         }
656         else {
657                 cprintf("%d No info file.\n", ERROR + FILE_NOT_FOUND);
658         }
659 }
660
661
662 // admin command: kill the current room
663 void cmd_kill(char *argbuf) {
664         char deleted_room_name[ROOMNAMELEN];
665         char msg[SIZ];
666         int kill_ok;
667
668         kill_ok = extract_int(argbuf, 0);
669
670         if (CtdlDoIHavePermissionToDeleteThisRoom(&CC->room) == 0) {
671                 cprintf("%d Can't delete this room.\n", ERROR + NOT_HERE);
672                 return;
673         }
674         if (kill_ok) {
675                 if (CC->room.QRflags & QR_MAILBOX) {
676                         safestrncpy(deleted_room_name, &CC->room.QRname[11], sizeof deleted_room_name);
677                 }
678                 else {
679                         safestrncpy(deleted_room_name, CC->room.QRname, sizeof deleted_room_name);
680                 }
681
682                 /* Do the dirty work */
683                 CtdlScheduleRoomForDeletion(&CC->room);
684
685                 /* Return to the Lobby */
686                 CtdlUserGoto(CtdlGetConfigStr("c_baseroom"), 0, 0, NULL, NULL, NULL, NULL);
687
688                 /* tell the world what we did */
689                 snprintf(msg, sizeof msg, "The room \"%s\" has been deleted by %s.\n",
690                          deleted_room_name,
691                         (CC->logged_in ? CC->curr_user : "an administrator")
692                 );
693                 CtdlAideMessage(msg, "Room Purger Message");
694                 cprintf("%d '%s' deleted.\n", CIT_OK, deleted_room_name);
695         }
696         else {
697                 cprintf("%d ok to delete.\n", CIT_OK);
698         }
699 }
700
701
702 // create a new room
703 void cmd_cre8(char *args) {
704         int cre8_ok;
705         char new_room_name[ROOMNAMELEN];
706         int new_room_type;
707         char new_room_pass[32];
708         int new_room_floor;
709         int new_room_view;
710         char *notification_message = NULL;
711         unsigned newflags;
712         struct floor *fl;
713         int avoid_access = 0;
714
715         cre8_ok = extract_int(args, 0);
716         extract_token(new_room_name, args, 1, '|', sizeof new_room_name);
717         new_room_name[ROOMNAMELEN - 1] = 0;
718         new_room_type = extract_int(args, 2);
719         extract_token(new_room_pass, args, 3, '|', sizeof new_room_pass);
720         avoid_access = extract_int(args, 5);
721         new_room_view = extract_int(args, 6);
722         new_room_pass[9] = 0;
723         new_room_floor = 0;
724
725         if ((IsEmptyStr(new_room_name)) && (cre8_ok == 1)) {
726                 cprintf("%d Invalid room name.\n", ERROR + ILLEGAL_VALUE);
727                 return;
728         }
729
730         if (!strcasecmp(new_room_name, MAILROOM)) {
731                 cprintf("%d '%s' already exists.\n",
732                         ERROR + ALREADY_EXISTS, new_room_name);
733                 return;
734         }
735
736         if (num_parms(args) >= 5) {
737                 fl = CtdlGetCachedFloor(extract_int(args, 4));
738                 if (fl == NULL) {
739                         cprintf("%d Invalid floor number.\n",
740                                 ERROR + INVALID_FLOOR_OPERATION);
741                         return;
742                 }
743                 else if ((fl->f_flags & F_INUSE) == 0) {
744                         cprintf("%d Invalid floor number.\n",
745                                 ERROR + INVALID_FLOOR_OPERATION);
746                         return;
747                 } else {
748                         new_room_floor = extract_int(args, 4);
749                 }
750         }
751
752         if (CtdlAccessCheck(ac_logged_in)) return;
753
754         if (CC->user.axlevel < CtdlGetConfigInt("c_createax") && !CC->internal_pgm) {
755                 cprintf("%d You need higher access to create rooms.\n",
756                         ERROR + HIGHER_ACCESS_REQUIRED);
757                 return;
758         }
759
760         if ((IsEmptyStr(new_room_name)) && (cre8_ok == 0)) {
761                 cprintf("%d Ok to create rooms.\n", CIT_OK);
762                 return;
763         }
764
765         if ((new_room_type < 0) || (new_room_type > 5)) {
766                 cprintf("%d Invalid room type.\n", ERROR + ILLEGAL_VALUE);
767                 return;
768         }
769
770         if (new_room_type == 5) {
771                 if (CC->user.axlevel < AxAideU) {
772                         cprintf("%d Higher access required\n", 
773                                 ERROR + HIGHER_ACCESS_REQUIRED);
774                         return;
775                 }
776         }
777
778         /* Check to make sure the requested room name doesn't already exist */
779         newflags = CtdlCreateRoom(new_room_name,
780                                 new_room_type, new_room_pass, new_room_floor,
781                                 0, avoid_access, new_room_view);
782         if (newflags == 0) {
783                 cprintf("%d '%s' already exists.\n",
784                         ERROR + ALREADY_EXISTS, new_room_name);
785                 return;
786         }
787
788         if (cre8_ok == 0) {
789                 cprintf("%d OK to create '%s'\n", CIT_OK, new_room_name);
790                 return;
791         }
792
793         /* If we reach this point, the room needs to be created. */
794
795         newflags = CtdlCreateRoom(new_room_name,
796                            new_room_type, new_room_pass, new_room_floor, 1, 0,
797                            new_room_view);
798
799         /* post a message in Aide> describing the new room */
800         notification_message = malloc(1024);
801         snprintf(notification_message, 1024,
802                 "A new room called \"%s\" has been created by %s%s%s%s%s%s\n",
803                 new_room_name,
804                 (CC->logged_in ? CC->curr_user : "an administrator"),
805                 ((newflags & QR_MAILBOX) ? " [personal]" : ""),
806                 ((newflags & QR_PRIVATE) ? " [private]" : ""),
807                 ((newflags & QR_GUESSNAME) ? " [hidden]" : ""),
808                 ((newflags & QR_PASSWORDED) ? " Password: " : ""),
809                 ((newflags & QR_PASSWORDED) ? new_room_pass : "")
810         );
811         CtdlAideMessage(notification_message, "Room Creation Message");
812         free(notification_message);
813
814         cprintf("%d '%s' has been created.\n", CIT_OK, new_room_name);
815 }
816
817
818 // Upload the room banner text for this room.
819 // This should be amended to handle content types other than plain text.
820 void cmd_einf(char *ok) {                               /* enter info file for current room */
821         char buf[SIZ];
822         unbuffer_output();
823
824         if (CtdlAccessCheck(ac_room_aide)) return;
825
826         if (atoi(ok) == 0) {
827                 cprintf("%d Ok.\n", CIT_OK);
828                 return;
829         }
830
831         StrBuf *NewBanner = NewStrBufPlain("Content-type: text/plain; charset=UTF-8\nContent-transfer-encoding: 8bit\n\n", -1);
832
833         cprintf("%d Transmit new banner in plain text now.\n", SEND_LISTING);
834         while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
835                 StrBufAppendBufPlain(NewBanner, buf, -1, 0);
836                 StrBufAppendBufPlain(NewBanner, HKEY("\n"), 0);
837         }
838
839         // We have read the new banner from the user , now save it
840         long new_msgnum = quickie_message("Citadel", NULL, NULL, SYSCONFIGROOM, ChrPtr(NewBanner), FMT_RFC822, "Banner submitted with EINF command");
841         FreeStrBuf(&NewBanner);
842
843         // Update the room record with a pointer to our new banner
844         CtdlGetRoomLock(&CC->room, CC->room.QRname);
845         long old_msgnum = CC->room.msgnum_info;
846         CC->room.msgnum_info = new_msgnum;
847         CtdlPutRoomLock(&CC->room);
848
849         // Delete the old one
850         CtdlDeleteMessages(SYSCONFIGROOM, &old_msgnum, 1, "");
851 }
852
853
854 // cmd_lflr()   -  List all known floors
855 void cmd_lflr(char *gargs) {
856         int a;
857         struct floor flbuf;
858
859         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
860
861         cprintf("%d Known floors:\n", LISTING_FOLLOWS);
862
863         for (a = 0; a < MAXFLOORS; ++a) {
864                 CtdlGetFloor(&flbuf, a);
865                 if (flbuf.f_flags & F_INUSE) {
866                         cprintf("%d|%s|%d\n", a, flbuf.f_name, flbuf.f_ref_count);
867                 }
868         }
869         cprintf("000\n");
870 }
871
872
873 // create a new floor
874 void cmd_cflr(char *argbuf) {
875         char new_floor_name[256];
876         struct floor flbuf;
877         int cflr_ok;
878         int free_slot = (-1);
879         int a;
880
881         extract_token(new_floor_name, argbuf, 0, '|', sizeof new_floor_name);
882         cflr_ok = extract_int(argbuf, 1);
883
884         if (CtdlAccessCheck(ac_aide)) return;
885
886         if (IsEmptyStr(new_floor_name)) {
887                 cprintf("%d Blank floor name not allowed.\n",
888                         ERROR + ILLEGAL_VALUE);
889                 return;
890         }
891
892         for (a = 0; a < MAXFLOORS; ++a) {
893                 CtdlGetFloor(&flbuf, a);
894
895                 /* note any free slots while we're scanning... */
896                 if (((flbuf.f_flags & F_INUSE) == 0)
897                     && (free_slot < 0))
898                         free_slot = a;
899
900                 /* check to see if it already exists */
901                 if ((!strcasecmp(flbuf.f_name, new_floor_name))
902                     && (flbuf.f_flags & F_INUSE)) {
903                         cprintf("%d Floor '%s' already exists.\n",
904                                 ERROR + ALREADY_EXISTS,
905                                 flbuf.f_name);
906                         return;
907                 }
908         }
909
910         if (free_slot < 0) {
911                 cprintf("%d There is no space available for a new floor.\n",
912                         ERROR + INVALID_FLOOR_OPERATION);
913                 return;
914         }
915         if (cflr_ok == 0) {
916                 cprintf("%d ok to create...\n", CIT_OK);
917                 return;
918         }
919         lgetfloor(&flbuf, free_slot);
920         flbuf.f_flags = F_INUSE;
921         flbuf.f_ref_count = 0;
922         safestrncpy(flbuf.f_name, new_floor_name, sizeof flbuf.f_name);
923         lputfloor(&flbuf, free_slot);
924         cprintf("%d %d\n", CIT_OK, free_slot);
925 }
926
927
928 // delete a floor
929 void cmd_kflr(char *argbuf) {
930         struct floor flbuf;
931         int floor_to_delete;
932         int kflr_ok;
933         int delete_ok;
934
935         floor_to_delete = extract_int(argbuf, 0);
936         kflr_ok = extract_int(argbuf, 1);
937
938         if (CtdlAccessCheck(ac_aide)) return;
939
940         lgetfloor(&flbuf, floor_to_delete);
941
942         delete_ok = 1;
943         if ((flbuf.f_flags & F_INUSE) == 0) {
944                 cprintf("%d Floor %d not in use.\n", ERROR + INVALID_FLOOR_OPERATION, floor_to_delete);
945                 delete_ok = 0;
946         } else {
947                 if (flbuf.f_ref_count != 0) {
948                         cprintf("%d Cannot delete; floor contains %d rooms.\n",
949                                 ERROR + INVALID_FLOOR_OPERATION,
950                                 flbuf.f_ref_count);
951                         delete_ok = 0;
952                 }
953                 else {
954                         if (kflr_ok == 1) {
955                                 cprintf("%d Ok\n", CIT_OK);
956                         }
957                         else {
958                                 cprintf("%d Ok to delete...\n", CIT_OK);
959                         }
960
961                 }
962
963         }
964
965         if ((delete_ok == 1) && (kflr_ok == 1)) {
966                 flbuf.f_flags = 0;
967         }
968         lputfloor(&flbuf, floor_to_delete);
969 }
970
971
972 // edit a floor
973 void cmd_eflr(char *argbuf) {
974         struct floor flbuf;
975         int floor_num;
976         int np;
977
978         np = num_parms(argbuf);
979         if (np < 1) {
980                 cprintf("%d Usage error.\n", ERROR + ILLEGAL_VALUE);
981                 return;
982         }
983
984         if (CtdlAccessCheck(ac_aide)) return;
985
986         floor_num = extract_int(argbuf, 0);
987         lgetfloor(&flbuf, floor_num);
988         if ((flbuf.f_flags & F_INUSE) == 0) {
989                 lputfloor(&flbuf, floor_num);
990                 cprintf("%d Floor %d is not in use.\n", ERROR + INVALID_FLOOR_OPERATION, floor_num);
991                 return;
992         }
993         if (np >= 2) {
994                 extract_token(flbuf.f_name, argbuf, 1, '|', sizeof flbuf.f_name);
995         }
996         lputfloor(&flbuf, floor_num);
997
998         cprintf("%d Ok\n", CIT_OK);
999 }
1000
1001
1002 // cmd_stat()  -  return the modification time of the current room (maybe other things in the future)
1003 void cmd_stat(char *gargs) {
1004         if (CtdlAccessCheck(ac_logged_in_or_guest)) return;
1005         CtdlGetRoom(&CC->room, CC->room.QRname);
1006         cprintf("%d %s|%ld|\n", CIT_OK, CC->room.QRname, CC->room.QRmtime);
1007 }
1008
1009
1010 // Initialization function, called from modules_init.c
1011 char *ctdl_module_init_rooms(void) {
1012         if (!threading) {
1013                 CtdlRegisterProtoHook(cmd_lrms, "LRMS", "List rooms");
1014                 CtdlRegisterProtoHook(cmd_lkra, "LKRA", "List all known rooms");
1015                 CtdlRegisterProtoHook(cmd_lkrn, "LKRN", "List known rooms with new messages");
1016                 CtdlRegisterProtoHook(cmd_lkro, "LKRO", "List known rooms without new messages");
1017                 CtdlRegisterProtoHook(cmd_lzrm, "LZRM", "List zapped rooms");
1018                 CtdlRegisterProtoHook(cmd_lprm, "LPRM", "List public rooms");
1019                 CtdlRegisterProtoHook(cmd_goto, "GOTO", "Goto a named room");
1020                 CtdlRegisterProtoHook(cmd_stat, "STAT", "Get mtime of the current room");
1021                 CtdlRegisterProtoHook(cmd_whok, "WHOK", "List users who know this room");
1022                 CtdlRegisterProtoHook(cmd_rdir, "RDIR", "List files in room directory");
1023                 CtdlRegisterProtoHook(cmd_getr, "GETR", "Get room parameters");
1024                 CtdlRegisterProtoHook(cmd_setr, "SETR", "Set room parameters");
1025                 CtdlRegisterProtoHook(cmd_geta, "GETA", "Get the room admin name");
1026                 CtdlRegisterProtoHook(cmd_seta, "SETA", "Set the room admin for this room");
1027                 CtdlRegisterProtoHook(cmd_rinf, "RINF", "Fetch room info file");
1028                 CtdlRegisterProtoHook(cmd_kill, "KILL", "Kill (delete) the current room");
1029                 CtdlRegisterProtoHook(cmd_cre8, "CRE8", "Create a new room");
1030                 CtdlRegisterProtoHook(cmd_einf, "EINF", "Enter info file for the current room");
1031                 CtdlRegisterProtoHook(cmd_lflr, "LFLR", "List all known floors");
1032                 CtdlRegisterProtoHook(cmd_cflr, "CFLR", "Create a new floor");
1033                 CtdlRegisterProtoHook(cmd_kflr, "KFLR", "Kill a floor");
1034                 CtdlRegisterProtoHook(cmd_eflr, "EFLR", "Edit a floor");
1035         }
1036         /* return our id for the log */
1037         return "rooms";
1038 }