* as we now spend allmost all of our time on en/decoding base64 we should build the...
[citadel.git] / citadel / citadel.c
1 /*
2  * $Id$
3  *
4  * Main source module for the client program.
5  */
6
7 #include "sysdep.h"
8 #include <stdlib.h>
9 #include <unistd.h>
10 #include <fcntl.h>
11 #include <stdio.h>
12 #include <ctype.h>
13 #include <string.h>
14
15 #if TIME_WITH_SYS_TIME
16 # include <sys/time.h>
17 # include <time.h>
18 #else
19 # if HAVE_SYS_TIME_H
20 #  include <sys/time.h>
21 # else
22 #  include <time.h>
23 # endif
24 #endif
25
26 #include <limits.h>
27 #include <sys/types.h>
28 #include <sys/wait.h>
29 #include <sys/stat.h>
30 #include <sys/ioctl.h>
31 #include <signal.h>
32 #include <pwd.h>
33 #include <stdarg.h>
34 #include <errno.h>
35
36 #include "citadel.h"
37 #include "citadel_ipc.h"
38 #include "axdefs.h"
39 #include "routines.h"
40 #include "routines2.h"
41 #include "tuiconfig.h"
42 #include "rooms.h"
43 #include "messages.h"
44 #include "commands.h"
45 #include "client_chat.h"
46 #include "client_passwords.h"
47 #include "citadel_decls.h"
48 #include "tools.h"
49 #include "sysdep.h"
50 #ifndef HAVE_SNPRINTF
51 #include "snprintf.h"
52 #endif
53 #include "screen.h"
54 #include "citadel_dirs.h"
55
56 #include "ecrash.h"
57 #include "md5.h"
58
59 #define IFEXPERT if (userflags&US_EXPERT)
60 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
61 #define IFAIDE if (axlevel>=6)
62 #define IFNAIDE if (axlevel<6)
63
64 int rordercmp(struct ctdlroomlisting *r1, struct ctdlroomlisting *r2);
65
66 struct march *march = NULL;
67
68 /* globals associated with the client program */
69 char temp[PATH_MAX];            /* Name of general-purpose temp file */
70 char temp2[PATH_MAX];           /* Name of general-purpose temp file */
71 char tempdir[PATH_MAX];         /* Name of general-purpose temp directory */
72 char editor_paths[MAX_EDITORS][SIZ];    /* paths to external editors */
73 char printcmd[SIZ];             /* print command */
74 int editor_pid = (-1);
75 char fullname[USERNAME_SIZE];
76 int screenwidth;
77 int screenheight;
78 unsigned room_flags;
79 unsigned room_flags2;
80 char room_name[ROOMNAMELEN];
81 char *uglist[UGLISTLEN]; /* size of the ungoto list */
82 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
83 int uglistsize = 0;
84 char is_mail = 0;               /* nonzero when we're in a mail room */
85 char axlevel = 0;               /* access level */
86 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
87 int timescalled;
88 int posted;
89 unsigned userflags;
90 long usernum = 0L;              /* user number */
91 time_t lastcall = 0L;           /* Date/time of previous login */
92 char newnow;
93 long highest_msg_read;          /* used for <A>bandon room cmd */
94 long maxmsgnum;                 /* used for <G>oto */
95 char sigcaught = 0;
96 char have_xterm = 0;            /* are we running on an xterm? */
97 char rc_username[USERNAME_SIZE];
98 char rc_password[32];
99 char hostbuf[SIZ];
100 char portbuf[SIZ];
101 char rc_floor_mode;
102 char floor_mode;
103 char curr_floor = 0;            /* number of current floor */
104 char floorlist[128][SIZ];       /* names of floors */
105 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
106 int secure;                     /* Set to nonzero when wire is encrypted */
107 int can_do_msg4 = 0;            /* Set to nonzero if the server can handle MSG4 commands */
108
109 extern char instant_msgs;       /* instant messages waiting! */
110 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
111 extern int next_lazy_cmd;
112
113 CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
114
115
116 /*
117  * lprintf()  ...   Write logging information; 
118  *                  simple here to have the same 
119  *                  symbols in the client.
120  */
121 enum LogLevel {CTDL_EMERG};
122
123 void lprintf(enum LogLevel loglevel, const char *format, ...) {   
124         va_list arg_ptr;
125
126         va_start(arg_ptr, format);
127         vfprintf(stderr, format, arg_ptr);   
128         va_end(arg_ptr);   
129         fflush(stderr);
130 }   
131
132 /*
133  * here is our 'clean up gracefully and exit' routine
134  */
135 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
136 {
137         int lp;
138
139         if (editor_pid > 0) {   /* kill the editor if it's running */
140                 kill(editor_pid, SIGHUP);
141         }
142
143         /* Free the ungoto list */
144         for (lp = 0; lp < uglistsize; lp++) {
145                 free(uglist[lp]);
146         }
147
148 /* Shut down the server connection ... but not if the logoff code is 3,
149  * because that means we're exiting because we already lost the server.
150  */
151         if (code != 3) {
152                 CtdlIPCQuit(ipc);
153         }
154
155 /*
156  * now clean up various things
157  */
158         screen_delete();
159
160         unlink(temp);
161         unlink(temp2);
162         nukedir(tempdir);
163
164         /* Violently kill off any child processes if Citadel is
165          * the login shell. 
166          */
167         if (getppid() == 1) {
168                 kill(0 - getpgrp(), SIGTERM);
169                 sleep(1);
170                 kill(0 - getpgrp(), SIGKILL);
171         }
172         color(ORIGINAL_PAIR);   /* Restore the old color settings */
173         stty_ctdl(SB_RESTORE);  /* return the old terminal settings */
174         /* 
175          * uncomment the following if you need to know why Citadel exited
176         printf("*** Exit code %d at %s:%d\n", code, file, line);
177         sleep(2);
178          */
179         exit(code);             /* exit with the proper exit code */
180 }
181
182
183
184 /*
185  * signal catching function for hangups...
186  */
187 void dropcarr(int signum)
188 {
189         logoff(NULL, 3);        /* No IPC when server's already gone! */
190 }
191
192
193
194 /*
195  * catch SIGCONT to reset terminal modes when were are put back into the
196  * foreground.
197  */
198 void catch_sigcont(int signum)
199 {
200         stty_ctdl(SB_LAST);
201         signal(SIGCONT, catch_sigcont);
202 }
203
204
205 /* general purpose routines */
206
207 /* display a file */
208 void formout(CtdlIPC *ipc, char *name)
209 {
210         int r;                  /* IPC return code */
211         char buf[SIZ];
212         char *text = NULL;
213
214         r = CtdlIPCSystemMessage(ipc, name, &text, buf);
215         if (r / 100 != 1) {
216                 scr_printf("%s\n", buf);
217                 return;
218         }
219         if (text) {
220                 fmout(screenwidth, NULL, text, NULL,
221                       ((userflags & US_PAGINATOR) ? 1 : 0),
222                       screenheight, 1, 1);
223                 free(text);
224         }
225 }
226
227
228 void userlist(CtdlIPC *ipc, char *patn)
229 {
230         char buf[SIZ];
231         char fl[SIZ];
232         struct tm tmbuf;
233         time_t lc;
234         int r;                          /* IPC response code */
235         char *listing = NULL;
236
237         r = CtdlIPCUserListing(ipc, patn, &listing, buf);
238         if (r / 100 != 1) {
239                 pprintf("%s\n", buf);
240                 return;
241         }
242
243         pprintf("       User Name           Num  L  LastCall  Calls Posts\n");
244         pprintf("------------------------- ----- - ---------- ----- -----\n");
245         if (listing != NULL) while (!IsEmptyStr(listing)) {
246                 extract_token(buf, listing, 0, '\n', sizeof buf);
247                 remove_token(listing, 0, '\n');
248
249                 if (sigcaught == 0) {
250                     extract_token(fl, buf, 0, '|', sizeof fl);
251                     if (pattern(fl, patn) >= 0) {
252                         pprintf("%-25s ", fl);
253                         pprintf("%5ld %d ", extract_long(buf, 2),
254                                extract_int(buf, 1));
255                         lc = extract_long(buf, 3);
256                         localtime_r(&lc, &tmbuf);
257                         pprintf("%02d/%02d/%04d ",
258                                (tmbuf.tm_mon + 1),
259                                tmbuf.tm_mday,
260                                (tmbuf.tm_year + 1900));
261                         pprintf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
262                     }
263
264                 }
265         }
266         free(listing);
267         pprintf("\n");
268 }
269
270
271 /*
272  * grab assorted info about the user...
273  */
274 void load_user_info(char *params)
275 {
276         extract_token(fullname, params, 0, '|', sizeof fullname);
277         axlevel = extract_int(params, 1);
278         timescalled = extract_int(params, 2);
279         posted = extract_int(params, 3);
280         userflags = extract_int(params, 4);
281         usernum = extract_long(params, 5);
282         lastcall = extract_long(params, 6);
283 }
284
285
286 /*
287  * Remove a room from the march list.  'floornum' is ignored unless
288  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
289  * floor will be removed from the march list.
290  */
291 void remove_march(char *roomname, int floornum)
292 {
293         struct march *mptr, *mptr2;
294
295         if (march == NULL)
296                 return;
297
298         if ((!strcasecmp(march->march_name, roomname))
299             || ((!strcasecmp(roomname, "_FLOOR_")) && (march->march_floor == floornum))) {
300                 mptr = march->next;
301                 free(march);
302                 march = mptr;
303                 return;
304         }
305         mptr2 = march;
306         for (mptr = march; mptr != NULL; mptr = mptr->next) {
307
308                 if ((!strcasecmp(mptr->march_name, roomname))
309                     || ((!strcasecmp(roomname, "_FLOOR_"))
310                         && (mptr->march_floor == floornum))) {
311
312                         mptr2->next = mptr->next;
313                         free(mptr);
314                         mptr = mptr2;
315                 } else {
316                         mptr2 = mptr;
317                 }
318         }
319 }
320
321
322 /*
323  * Locate the room on the march list which we most want to go to.  Each room
324  * is measured given a "weight" of preference based on various factors.
325  */
326 char *pop_march(int desired_floor, struct march *_march)
327 {
328         static char TheRoom[ROOMNAMELEN];
329         int TheFloor = 0;
330         int TheOrder = 32767;
331         int TheWeight = 0;
332         int weight;
333         struct march *mptr = NULL;
334
335         strcpy(TheRoom, "_BASEROOM_");
336         if (_march == NULL)
337                 return (TheRoom);
338
339         for (mptr = _march; mptr != NULL; mptr = mptr->next) {
340                 weight = 0;
341                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
342                         weight = weight + 10000;
343                 if (mptr->march_floor == desired_floor)
344                         weight = weight + 5000;
345
346                 weight = weight + ((128 - (mptr->march_floor)) * 128);
347                 weight = weight + (128 - (mptr->march_order));
348
349                 if (weight > TheWeight) {
350                         TheWeight = weight;
351                         strcpy(TheRoom, mptr->march_name);
352                         TheFloor = mptr->march_floor;
353                         TheOrder = mptr->march_order;
354                 }
355         }
356         return (TheRoom);
357 }
358
359
360 /*
361  * jump directly to a room
362  */
363 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
364 {
365         char aaa[SIZ], bbb[SIZ];
366         static long ls = 0L;
367         int newmailcount = 0;
368         int partial_match, best_match;
369         char from_floor;
370         int ugpos = uglistsize;
371         int r;                          /* IPC result code */
372         struct ctdlipcroom *room = NULL;
373
374         /* store ungoto information */
375         if (fromungoto == 0) {
376                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
377                 if (uglistsize >= (UGLISTLEN-1)) {
378                         int lp;
379                         free (uglist[0]);
380                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
381                                 uglist[lp] = uglist[lp+1];
382                                 uglistlsn[lp] = uglistlsn[lp+1];
383                         }
384                         ugpos--;
385                 } else {
386                         uglistsize++;
387                 }
388         
389                 uglist[ugpos] = malloc(strlen(room_name)+1);
390                 strcpy(uglist[ugpos], room_name);
391                 uglistlsn[ugpos] = ls;
392         }
393       
394         /* first try an exact match */
395         r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
396         if (r / 10 == 54) {
397                 newprompt("Enter room password: ", bbb, 9);
398                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
399                 if (r / 10 == 54) {
400                         scr_printf("Wrong password.\n");
401                         return;
402                 }
403         }       
404
405         /*
406          * If a match is not found, try a partial match.
407          * Partial matches anywhere in the string carry a weight of 1,
408          * left-aligned matches carry a weight of 2.  Pick the room that
409          * has the highest-weighted match.  Do not match on forgotten
410          * rooms.
411          */
412         if (r / 100 != 2) {
413                 struct march *march = NULL;
414
415                 best_match = 0;
416                 strcpy(bbb, "");
417
418                 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
419                 if (r / 100 == 1) {
420                         /* Run the roomlist; free the data as we go */
421                         struct march *mp = march;       /* Current */
422
423                         while (mp) {
424                                 partial_match = 0;
425                                 if (pattern(mp->march_name, towhere) >= 0) {
426                                         partial_match = 1;
427                                 }
428                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
429                                         partial_match = 2;
430                                 }
431                                 if (partial_match > best_match) {
432                                         strcpy(bbb, mp->march_name);
433                                         best_match = partial_match;
434                                 }
435                                 /* Both pointers are NULL at end of list */
436                                 march = mp->next;
437                                 free(mp);
438                                 mp = march;
439                         }
440                 }
441
442                 if (IsEmptyStr(bbb)) {
443                         scr_printf("No room '%s'.\n", towhere);
444                         return;
445                 }
446                 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
447         }
448         if (r / 100 != 1 && r / 100 != 2) {
449                 scr_printf("%s\n", aaa);
450                 return;
451         }
452         safestrncpy(room_name, room->RRname, ROOMNAMELEN);
453         room_flags = room->RRflags;
454         room_flags2 = room->RRflags2;
455         from_floor = curr_floor;
456         curr_floor = room->RRfloor;
457
458         remove_march(room_name, 0);
459         if (!strcasecmp(towhere, "_BASEROOM_"))
460                 remove_march(towhere, 0);
461         if (!room->RRunread)
462                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
463         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
464                 if (floorlist[(int) curr_floor][0] == 0)
465                         load_floorlist(ipc);
466                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
467         }
468         if (display_name == 1) {
469                 color(BRIGHT_WHITE);
470                 scr_printf("%s ", room_name);
471                 color(DIM_WHITE);
472                 scr_printf("- ");
473         }
474         if (display_name != 2) {
475                 color(BRIGHT_YELLOW);
476                 scr_printf("%d ", room->RRunread);
477                 color(DIM_WHITE);
478                 scr_printf("new of ");
479                 color(BRIGHT_YELLOW);
480                 scr_printf("%d ", room->RRtotal);
481                 color(DIM_WHITE);
482                 scr_printf("messages.\n");
483         }
484         highest_msg_read = room->RRlastread;
485         maxmsgnum = room->RRhighest;
486         is_mail = room->RRismailbox;
487         is_room_aide = room->RRaide;
488         ls = room->RRlastread;
489
490         /* read info file if necessary */
491         if (room->RRinfoupdated > 0)
492                 readinfo(ipc);
493
494         /* check for newly arrived mail if we can */
495         newmailcount = room->RRnewmail;
496         if (newmailcount > 0) {
497                 color(BRIGHT_RED);
498                 if (newmailcount == 1) {
499                         scr_printf("*** A new mail message has arrived.\n");
500                 }
501                 else {
502                         scr_printf("*** %d new mail messages have arrived.\n",
503                                         newmailcount);
504                 }
505                 color(DIM_WHITE);
506                 if (!IsEmptyStr(rc_gotmail_cmd)) {
507                         system(rc_gotmail_cmd);
508                 }
509         }
510         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location,
511                         room_name, secure, newmailcount);
512         free(room);
513 }
514
515 /* Goto next room having unread messages.
516  * We want to skip over rooms that the user has already been to, and take the
517  * user back to the lobby when done.  The room we end up in is placed in
518  * newroom - which is set to 0 (the lobby) initially.
519  */
520 void gotonext(CtdlIPC *ipc)
521 {
522         char buf[SIZ];
523         struct march *mptr, *mptr2;
524         char next_room[ROOMNAMELEN];
525         int r;                          /* IPC response code */
526
527         /* Check to see if the march-mode list is already allocated.
528          * If it is, pop the first room off the list and go there.
529          */
530         if (march == NULL) {
531                 r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
532                                         AllFloors, &march, buf);
533
534 /* add _BASEROOM_ to the end of the march list, so the user will end up
535  * in the system base room (usually the Lobby>) at the end of the loop
536  */
537                 mptr = (struct march *) malloc(sizeof(struct march));
538                 mptr->next = NULL;
539                 mptr->march_order = 0;
540                 mptr->march_floor = 0;
541                 strcpy(mptr->march_name, "_BASEROOM_");
542                 if (march == NULL) {
543                         march = mptr;
544                 } else {
545                         mptr2 = march;
546                         while (mptr2->next != NULL)
547                                 mptr2 = mptr2->next;
548                         mptr2->next = mptr;
549                 }
550 /*
551  * ...and remove the room we're currently in, so a <G>oto doesn't make us
552  * walk around in circles
553  */
554                 remove_march(room_name, 0);
555         }
556         if (march != NULL) {
557                 strcpy(next_room, pop_march(curr_floor, march));
558         } else {
559                 strcpy(next_room, "_BASEROOM_");
560         }
561         remove_march(next_room, 0);
562         dotgoto(ipc, next_room, 1, 0);
563 }
564
565 /*
566  * forget all rooms on a given floor
567  */
568 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
569 {
570         char buf[SIZ];
571         struct march *flist = NULL;
572         struct march *fptr = NULL;
573         struct ctdlipcroom *room = NULL;
574         int r;                          /* IPC response code */
575
576         scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
577         scr_flush();
578         remove_march("_FLOOR_", ffloor);
579         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
580         if (r / 100 != 1) {
581                 scr_printf("Error %d: %s\n", r, buf);
582                 return;
583         }
584         while (flist) {
585                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
586                 if (r / 100 == 2) {
587                         r = CtdlIPCForgetRoom(ipc, buf);
588                         if (r / 100 != 2) {
589                                 scr_printf("Error %d: %s\n", r, buf);
590                         }
591
592                 }
593                 fptr = flist;
594                 flist = flist->next;
595                 free(fptr);
596         }
597         if (room) free(room);
598 }
599
600
601 /*
602  * routine called by gotofloor() to move to a new room on a new floor
603  */
604 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
605 {
606         int floor_being_left;
607
608         floor_being_left = curr_floor;
609
610         if (mode == GF_GOTO) {          /* <;G>oto mode */
611                 updatels(ipc);
612                 dotgoto(ipc, towhere, 1, 0);
613         }
614         else if (mode == GF_SKIP) {     /* <;S>kip mode */
615                 dotgoto(ipc, towhere, 1, 0);
616                 remove_march("_FLOOR_", floor_being_left);
617         }
618         else if (mode == GF_ZAP) {      /* <;Z>ap mode */
619                 dotgoto(ipc, towhere, 1, 0);
620                 remove_march("_FLOOR_", floor_being_left);
621                 forget_all_rooms_on(ipc, floor_being_left);
622         }
623 }
624
625
626 /*
627  * go to a new floor
628  */
629 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
630 {
631         int a, tofloor;
632         int r;          /* IPC response code */
633         struct march *mptr;
634         char buf[SIZ], targ[SIZ];
635
636         if (floorlist[0][0] == 0)
637                 load_floorlist(ipc);
638         tofloor = (-1);
639         for (a = 0; a < 128; ++a)
640                 if (!strcasecmp(&floorlist[a][0], towhere))
641                         tofloor = a;
642
643         if (tofloor < 0) {
644                 for (a = 0; a < 128; ++a) {
645                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
646                                 tofloor = a;
647                         }
648                 }
649         }
650         if (tofloor < 0) {
651                 for (a = 0; a < 128; ++a)
652                         if (pattern(towhere, &floorlist[a][0]) > 0)
653                                 tofloor = a;
654         }
655         if (tofloor < 0) {
656                 scr_printf("No floor '%s'.\n", towhere);
657                 return;
658         }
659         for (mptr = march; mptr != NULL; mptr = mptr->next) {
660                 if ((mptr->march_floor) == tofloor) {
661                         gf_toroom(ipc, mptr->march_name, mode);
662                         return;
663                 }
664         }
665
666         /* Find first known room on the floor */
667
668         strcpy(targ, "");
669         mptr = NULL;
670         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
671         if (r / 100 == 1) {
672                 struct march *tmp = mptr;
673
674                 /*. . . according to room order */
675                 if (mptr)
676             strcpy(targ, pop_march(tofloor, mptr));
677                 while (mptr) {
678                         tmp = mptr->next;
679                         free(mptr);
680                         mptr = tmp;
681                 }
682         }
683         if (!IsEmptyStr(targ)) {
684                 gf_toroom(ipc, targ, mode);
685                 return;
686         }
687
688         /* No known rooms on the floor; unzap the first one then */
689
690         strcpy(targ, "");
691         mptr = NULL;
692         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
693         if (r / 100 == 1) {
694                 struct march *tmp = mptr;
695                 
696         /*. . . according to room order */
697                 if (mptr)
698                         strcpy(targ, pop_march(tofloor, mptr));
699                 while (mptr) {
700                         tmp = mptr->next;
701                         free(mptr);
702                         mptr = tmp;
703                 }
704         }
705         if (!IsEmptyStr(targ)) {
706                 gf_toroom(ipc, targ, mode);
707         } else {
708                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
709         }
710 }
711
712 /*
713  * Indexing mechanism for a room list, called by gotoroomstep()
714  */
715 void room_tree_list_query(struct ctdlroomlisting *rp, char *findrmname, int findrmslot, char *rmname, int *rmslot, int *rmtotal)
716 {
717         char roomname[ROOMNAMELEN];
718         static int cur_rmslot = 0;
719
720         if (rp == NULL) {
721                 cur_rmslot = 0;
722                 return;
723         }
724
725         if (rp->lnext != NULL) {
726                 room_tree_list_query(rp->lnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
727         }
728
729         if (sigcaught == 0) {
730                 strcpy(roomname, rp->rlname);
731
732                 if (rmname != NULL) {
733                         if (cur_rmslot == findrmslot) {
734                                 strcpy(rmname, roomname);
735                         }
736                 }
737                 if (rmslot != NULL) {
738                         if (!strcmp(roomname, findrmname)) {
739                                 *rmslot = cur_rmslot;
740                         }
741                 }
742                 cur_rmslot++;
743         }
744
745         if (rp->rnext != NULL) {
746                 room_tree_list_query(rp->rnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
747         }
748
749         if ((rmname == NULL) && (rmslot == NULL))
750                 free(rp);
751
752         if (rmtotal != NULL) {
753                 *rmtotal = cur_rmslot;
754         }
755 }
756
757 /*
758  * step through rooms on current floor
759  */
760 void  gotoroomstep(CtdlIPC *ipc, int direction, int mode)
761 {
762         struct march *listing = NULL;
763         struct march *mptr;
764         int r;          /* IPC response code */
765         char buf[SIZ];
766         struct ctdlroomlisting *rl = NULL;
767         struct ctdlroomlisting *rp;
768         struct ctdlroomlisting *rs;
769         int list_it;
770         char rmname[ROOMNAMELEN];
771         int rmslot = 0;
772         int rmtotal;
773         struct ctdlroom *attr = NULL;
774
775         /* Fetch the existing room config */
776         r = CtdlIPCGetRoomAttributes(ipc, &attr, buf);
777         if (r / 100 != 2) {
778                 scr_printf("%s\n", buf);
779                 return;
780         }
781         strcpy (room_name , attr->QRname); 
782         free(attr);
783
784         /* Ask the server for a room list */
785         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, (-1), &listing, buf);
786         if (r / 100 != 1) {
787                 listing = NULL;
788         }
789
790         load_floorlist(ipc);
791
792         for (mptr = listing; mptr != NULL; mptr = mptr->next) {
793                 list_it = 1;
794
795                 if ( floor_mode 
796                          && (mptr->march_floor != curr_floor))
797                         list_it = 0;
798
799                 if (list_it) {
800                         rp = malloc(sizeof(struct ctdlroomlisting));
801                         strncpy(rp->rlname, mptr->march_name, ROOMNAMELEN);
802                         rp->rlflags = mptr->march_flags;
803                         rp->rlfloor = mptr->march_floor;
804                         rp->rlorder = mptr->march_order;
805                         rp->lnext = NULL;
806                         rp->rnext = NULL;
807
808                         rs = rl;
809                         if (rl == NULL) {
810                                 rl = rp;
811                         } else {
812                                 while (rp != NULL) {
813                                         if (rordercmp(rp, rs) < 0) {
814                                                 if (rs->lnext == NULL) {
815                                                         rs->lnext = rp;
816                                                         rp = NULL;
817                                                 } else {
818                                                         rs = rs->lnext;
819                                                 }
820                                         } else {
821                                                 if (rs->rnext == NULL) {
822                                                         rs->rnext = rp;
823                                                         rp = NULL;
824                                                 } else {
825                                                         rs = rs->rnext;
826                                                 }
827                                         }
828                                 }
829                         }
830                 }
831         }
832
833         /* Find position of current room */
834         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
835         room_tree_list_query(rl,  room_name, 0, NULL, &rmslot, &rmtotal);
836
837         if (direction == 0) { /* Previous room */
838                 /* If we're at the first room, wrap to the last room */
839                 if (rmslot == 0) {
840                         rmslot = rmtotal - 1;
841                 } else {
842                         rmslot--;
843                 }
844         } else {                 /* Next room */
845                 /* If we're at the last room, wrap to the first room */
846                 if (rmslot == rmtotal - 1) {
847                         rmslot = 0; 
848                 } else {
849                         rmslot++;
850                 }
851         }
852
853         /* Get name of next/previous room */
854         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
855         room_tree_list_query(rl,  NULL, rmslot, rmname, NULL, NULL);
856
857         /* Free the tree */
858         room_tree_list_query(rl, NULL, 0, NULL, NULL, NULL);
859
860         if (mode == 0) { /* not skipping */
861             updatels(ipc);
862         } else {
863                 if (rc_alt_semantics) {
864                 updatelsa(ipc);
865                 }
866         }
867
868         /* Free the room list */
869         while (listing) {
870                 mptr = listing->next;
871                 free(listing);
872                 listing = mptr;
873         };
874
875         dotgoto(ipc, rmname, 1, 0);
876 }
877
878
879 /*
880  * step through floors on system
881  */
882 void  gotofloorstep(CtdlIPC *ipc, int direction, int mode)
883 {
884         int  tofloor;
885
886         if (floorlist[0][0] == 0)
887                 load_floorlist(ipc);
888
889         empty_keep_going:
890
891         if (direction == 0) { /* Previous floor */
892                 if (curr_floor) tofloor = curr_floor - 1;
893                 else tofloor = 127;
894
895                 while (!floorlist[tofloor][0]) tofloor--;
896         } else {                   /* Next floor */
897                 if (curr_floor < 127) tofloor = curr_floor + 1;
898                 else tofloor = 0;
899
900                 while (!floorlist[tofloor][0] && tofloor < 127) tofloor++;
901                 if (!floorlist[tofloor][0])     tofloor = 0;
902         }
903         /* ;g works when not in floor mode so . . . */
904         if (!floor_mode) {
905                 scr_printf("(%s)\n", floorlist[tofloor] );
906         }
907
908         gotofloor(ipc, floorlist[tofloor], mode);
909         if (curr_floor != tofloor) { /* gotofloor failed */
910              curr_floor = tofloor;
911              goto empty_keep_going;
912         }            
913 }
914
915 /* 
916  * Display user 'preferences'.
917  */
918 extern int rc_prompt_control;
919 void read_config(CtdlIPC *ipc)
920 {
921         char buf[SIZ];
922         char *resp = NULL;
923         int r;                  /* IPC response code */
924     char _fullname[USERNAME_SIZE];
925         long _usernum;
926         int _axlevel, _timescalled, _posted;
927         time_t _lastcall;
928         struct ctdluser *user = NULL;
929
930         /* get misc user info */   
931         r = CtdlIPCGetBio(ipc, fullname, &resp, buf);
932         if (r / 100 != 1) {
933                 pprintf("%s\n", buf);
934                 return;
935         }
936         extract_token(_fullname, buf, 1, '|', sizeof fullname);
937         _usernum = extract_long(buf, 2);
938         _axlevel = extract_int(buf, 3);
939         _lastcall = extract_long(buf, 4);
940     _timescalled = extract_int(buf, 5);
941         _posted = extract_int(buf, 6);
942         free(resp);
943         resp = NULL;
944    
945         /* get preferences */
946         r = CtdlIPCGetConfig(ipc, &user, buf);
947         if (r / 100 != 2) {
948                 scr_printf("%s\n", buf);
949                 free(user);
950                 return;
951         }
952
953         /* show misc user info */
954         scr_printf("%s\nAccess level: %d (%s)\n"
955                    "User #%ld / %d Calls / %d Posts",
956                    _fullname, _axlevel, axdefs[(int) _axlevel],
957                    _usernum, _timescalled, _posted);
958         if (_lastcall > 0L) {
959                 scr_printf(" / Curr login: %s",
960                            asctime(localtime(&_lastcall)));
961         }
962         scr_printf("\n");
963
964         /* show preferences */
965         scr_printf("Your screen width: ");                                     color(BRIGHT_CYAN); scr_printf("%d",   /*user->USscreenwidth*/ screenwidth);          color(DIM_WHITE); 
966         scr_printf(", height: ");                                              color(BRIGHT_CYAN); scr_printf("%d\n", /*user->USscreenheight*/ screenheight);        color(DIM_WHITE);  
967         scr_printf("Are you an experienced Citadel user: ");                   color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXPERT) ? "Yes" : "No");     color(DIM_WHITE);
968         scr_printf("Print last old message on New message request: ");         color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_LASTOLD)? "Yes" : "No");     color(DIM_WHITE);
969         scr_printf("Prompt after each message: ");                             color(BRIGHT_CYAN); scr_printf("%s\n", (!(user->flags & US_NOPROMPT))? "Yes" : "No"); color(DIM_WHITE);
970         if ((user->flags & US_NOPROMPT) == 0) {
971         scr_printf("Use 'disappearing' prompts: ");                        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_DISAPPEAR)? "Yes" : "No");   color(DIM_WHITE);
972         }
973         scr_printf("Pause after each screenful of text: ");                    color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PAGINATOR)? "Yes" : "No");   color(DIM_WHITE);
974     if (rc_prompt_control == 3 && (user->flags & US_PAGINATOR)) {
975         scr_printf("<N>ext and <S>top work at paginator prompt: ");        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PROMPTCTL)? "Yes" : "No");   color(DIM_WHITE);
976         }
977     if (rc_floor_mode == RC_DEFAULT) {
978         scr_printf("View rooms by floor: ");                               color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_FLOORS)? "Yes" : "No");          color(DIM_WHITE);
979         }
980         if (rc_ansi_color == 3) {
981             scr_printf("Enable color support: ");                              color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_COLOR)? "Yes" : "No");       color(DIM_WHITE);
982         }
983         scr_printf("Be unlisted in userlog: ");                                color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_UNLISTED)? "Yes" : "No");    color(DIM_WHITE);
984         if (!IsEmptyStr(editor_paths[0])) {
985         scr_printf("Always enter messages with the full-screen editor: "); color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXTEDIT)? "Yes" : "No");     color(DIM_WHITE);
986         }
987         free(user);
988 }
989
990 /*
991  * Display system statistics.
992  */
993 void system_info(CtdlIPC *ipc)
994 {
995         char buf[SIZ];
996         char *resp = NULL;
997         size_t bytes;
998         int mrtg_users, mrtg_active_users; 
999         char mrtg_server_uptime[40];
1000         long mrtg_himessage;
1001         int ret;                        /* IPC response code */
1002
1003         /* get #users, #active & server uptime */
1004         ret = CtdlIPCGenericCommand(ipc, "MRTG|users", NULL, 0, &resp, &bytes, buf);
1005         mrtg_users = extract_int(resp, 0);
1006         remove_token(resp, 0, '\n');
1007         mrtg_active_users = extract_int(resp, 0);
1008         remove_token(resp, 0, '\n');
1009         extract_token(mrtg_server_uptime, resp, 0, '\n', sizeof mrtg_server_uptime);
1010     free(resp);
1011         resp = NULL;
1012
1013         /* get high message# */
1014         ret = CtdlIPCGenericCommand(ipc, "MRTG|messages", NULL, 0, &resp, &bytes, buf);
1015         mrtg_himessage = extract_long(resp, 0);
1016         free(resp);
1017         resp = NULL;
1018
1019         /* refresh server info just in case */
1020         CtdlIPCServerInfo(ipc, buf);
1021
1022         scr_printf("You are connected to %s (%s) @%s\n", ipc->ServInfo.nodename, ipc->ServInfo.humannode, ipc->ServInfo.fqdn);
1023         scr_printf("running %s with text client v%.2f,\n", ipc->ServInfo.software, (float)REV_LEVEL/100);
1024     scr_printf("and located in %s.\n", ipc->ServInfo.site_location);
1025     scr_printf("Connected users %d / Active users %d / Highest message #%ld\n", mrtg_users, mrtg_active_users, mrtg_himessage);
1026     scr_printf("Server uptime: %s\n", mrtg_server_uptime);
1027     scr_printf("Your system administrator is %s.\n", ipc->ServInfo.sysadm);
1028     scr_printf("Copyright (C)1987-2007 by the Citadel development team\n");
1029 }
1030
1031 /*
1032  * forget all rooms on current floor
1033  */
1034 void forget_this_floor(CtdlIPC *ipc)
1035 {
1036         if (curr_floor == 0) {
1037                 scr_printf("Can't forget this floor.\n");
1038                 return;
1039         }
1040         if (floorlist[0][0] == 0) {
1041                 load_floorlist(ipc);
1042         }
1043         scr_printf("Are you sure you want to forget all rooms on %s? ",
1044                &floorlist[(int) curr_floor][0]);
1045         if (yesno() == 0) {
1046                 return;
1047         }
1048
1049         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
1050 }
1051
1052
1053 /* 
1054  * Figure out the physical screen dimensions, if we can
1055  * WARNING:  this is now called from a signal handler!
1056  */
1057 void check_screen_dims(void)
1058 {
1059 #ifdef TIOCGWINSZ
1060         struct {
1061                 unsigned short height;  /* rows */
1062                 unsigned short width;   /* columns */
1063                 unsigned short xpixels;
1064                 unsigned short ypixels;         /* pixels */
1065         } xwinsz;
1066
1067         if (have_xterm) {       /* dynamically size screen if on an xterm */
1068                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
1069                         if (xwinsz.height)
1070                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
1071                         if (xwinsz.width)
1072                                 screenwidth = (int) xwinsz.width;
1073                 }
1074         }
1075 #endif
1076 }
1077
1078
1079 /*
1080  * set floor mode depending on client, server, and user settings
1081  */
1082 void set_floor_mode(CtdlIPC* ipc)
1083 {
1084         if (ipc->ServInfo.ok_floors == 0) {
1085                 floor_mode = 0; /* Don't use floors if the server */
1086         }
1087         /* doesn't support them!          */
1088         else {
1089                 if (rc_floor_mode == RC_NO) {   /* never use floors */
1090                         floor_mode = 0;
1091                 }
1092                 if (rc_floor_mode == RC_YES) {  /* always use floors */
1093                         floor_mode = 1;
1094                 }
1095                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
1096                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
1097                 }
1098         }
1099 }
1100
1101 /*
1102  * Set or change the user's password
1103  */
1104 int set_password(CtdlIPC *ipc)
1105 {
1106         char pass1[20];
1107         char pass2[20];
1108         char buf[SIZ];
1109
1110         if (!IsEmptyStr(rc_password)) {
1111                 strcpy(pass1, rc_password);
1112                 strcpy(pass2, rc_password);
1113         } else {
1114                 IFNEXPERT formout(ipc, "changepw");
1115                 newprompt("Enter a new password: ", pass1, -19);
1116                 newprompt("Enter it again to confirm: ", pass2, -19);
1117         }
1118         strproc(pass1);
1119         strproc(pass2);
1120         if (!strcasecmp(pass1, pass2)) {
1121                 CtdlIPCChangePassword(ipc, pass1, buf);
1122                 scr_printf("%s\n", buf);
1123                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
1124                 return (0);
1125         } else {
1126                 scr_printf("*** They don't match... try again.\n");
1127                 return (1);
1128         }
1129 }
1130
1131
1132
1133 /*
1134  * get info about the server we've connected to
1135  */
1136 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
1137 {
1138         char buf[SIZ];
1139
1140         CtdlIPCServerInfo(ipc, buf);
1141
1142         /* be nice and identify ourself to the server */
1143         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
1144                  (ipc->isLocal ? "local" : CITADEL),
1145                  (supplied_hostname) ? supplied_hostname : 
1146                  /* Look up the , in the bible if you're confused */
1147                  (locate_host(ipc, buf), buf), buf);
1148
1149         /*
1150          * Tell the server what our preferred content formats are.
1151          *
1152          * Originally we preferred HTML over plain text because we can format
1153          * it to the reader's screen width, but since our HTML-to-text parser
1154          * isn't really all that great, it's probably better to just go with
1155          * the plain text when we have it available.
1156          */
1157         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/plain|text/html") / 100 )== 2) {
1158                 can_do_msg4 = 1;
1159         }
1160 }
1161
1162
1163
1164 /*
1165  * Record compare function for SortOnlineUsers()
1166  */
1167 int idlecmp(const void *rec1, const void *rec2) {
1168         time_t i1, i2;
1169
1170         i1 = extract_long(rec1, 5);
1171         i2 = extract_long(rec2, 5);
1172
1173         if (i1 < i2) return(1);
1174         if (i1 > i2) return(-1);
1175         return(0);
1176 }
1177
1178
1179 /*
1180  * Sort the list of online users by idle time.
1181  * This function frees the supplied buffer, and returns a new one
1182  * to the caller.  The caller is responsible for freeing the returned buffer.
1183  */
1184 char *SortOnlineUsers(char *listing) {
1185         int rows;
1186         char *sortbuf;
1187         char *retbuf;
1188         char buf[SIZ];
1189         int i;
1190
1191         rows = num_tokens(listing, '\n');
1192         sortbuf = malloc(rows * SIZ);
1193         if (sortbuf == NULL) return(listing);
1194         retbuf = malloc(rows * SIZ);
1195         if (retbuf == NULL) {
1196                 free(sortbuf);
1197                 return(listing);
1198         }
1199
1200         /* Copy the list into a fixed-record-size array for sorting */
1201         for (i=0; i<rows; ++i) {
1202                 memset(buf, 0, SIZ);
1203                 extract_token(buf, listing, i, '\n', sizeof buf);
1204                 memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
1205         }
1206
1207         /* Do the sort */
1208         qsort(sortbuf, rows, SIZ, idlecmp);
1209
1210         /* Copy back to a \n delimited list */
1211         strcpy(retbuf, "");
1212         for (i=0; i<rows; ++i) {
1213                 strcat(retbuf, &sortbuf[i*SIZ]);
1214                 if (i<(rows-1)) strcat(retbuf, "\n");
1215         }
1216     free(listing);
1217     free(sortbuf);
1218         return(retbuf);
1219 }
1220
1221
1222
1223 /*
1224  * Display list of users currently logged on to the server
1225  */
1226 void who_is_online(CtdlIPC *ipc, int longlist)
1227 {
1228         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
1229         char flags[SIZ];
1230         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
1231         char clientsoft[SIZ];
1232         time_t timenow = 0;
1233         time_t idletime, idlehours, idlemins, idlesecs;
1234         int last_session = (-1);
1235         int skipidle = 0;
1236         char *listing = NULL;
1237         int r;                          /* IPC response code */
1238     
1239         if (longlist == 2) {
1240                 longlist = 0;
1241                 skipidle = 1;
1242         }
1243
1244         if (!longlist) {
1245                 color(BRIGHT_WHITE);
1246                 pprintf("           User Name               Room          ");
1247                 if (screenwidth >= 80) pprintf(" Idle        From host");
1248                 pprintf("\n");
1249                 color(DIM_WHITE);
1250                 pprintf("   ------------------------- --------------------");
1251                 if (screenwidth >= 80) pprintf(" ---- ------------------------");
1252                 pprintf("\n");
1253         }
1254         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
1255         listing = SortOnlineUsers(listing);
1256         if (r / 100 == 1) {
1257                 while (!IsEmptyStr(listing)) {
1258                         int isidle = 0;
1259                         
1260                         /* Get another line */
1261                         extract_token(buf, listing, 0, '\n', sizeof buf);
1262                         remove_token(listing, 0, '\n');
1263
1264                         extract_token(username, buf, 1, '|', sizeof username);
1265                         extract_token(roomname, buf, 2, '|', sizeof roomname);
1266                         extract_token(fromhost, buf, 3, '|', sizeof fromhost);
1267                         extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
1268                         extract_token(flags, buf, 7, '|', sizeof flags);
1269
1270                         idletime = timenow - extract_long(buf, 5);
1271                         idlehours = idletime / 3600;
1272                         idlemins = (idletime - (idlehours * 3600)) / 60;
1273                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
1274
1275                         if (idletime > rc_idle_threshold) {
1276                                 if (skipidle) {
1277                                         isidle = 1;
1278                                 }
1279                         }
1280
1281                         if (longlist) {
1282                                 extract_token(actual_user, buf, 8, '|', sizeof actual_user);
1283                                 extract_token(actual_room, buf, 9, '|', sizeof actual_room);
1284                                 extract_token(actual_host, buf, 10, '|', sizeof actual_host);
1285
1286                                 pprintf("  Flags: %s\n", flags);
1287                                 pprintf("Session: %d\n", extract_int(buf, 0));
1288                                 pprintf("   Name: %s\n", username);
1289                                 pprintf("In room: %s\n", roomname);
1290                                 pprintf("   Host: %s\n", fromhost);
1291                                 pprintf(" Client: %s\n", clientsoft);
1292                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
1293                                         (long) idlehours,
1294                                         (long) idlemins,
1295                                         (long) idlesecs);
1296
1297                                 if ( (!IsEmptyStr(actual_user)&&
1298                                       !IsEmptyStr(actual_room)&&
1299                                       !IsEmptyStr(actual_host))) {
1300                                         pprintf("(really ");
1301                                         if (!IsEmptyStr(actual_user)) pprintf("<%s> ", actual_user);
1302                                         if (!IsEmptyStr(actual_room)) pprintf("in <%s> ", actual_room);
1303                                         if (!IsEmptyStr(actual_host)) pprintf("from <%s> ", actual_host);
1304                                         pprintf(")\n");
1305                                 }
1306                                 pprintf("\n");
1307
1308                         } else {
1309                                 if (isidle == 0) {
1310                                         if (extract_int(buf, 0) == last_session) {
1311                                                 pprintf("        ");
1312                                         }
1313                                         else {
1314                                                 color(BRIGHT_MAGENTA);
1315                                                 pprintf("%-3s", flags);
1316                                         }
1317                                         last_session = extract_int(buf, 0);
1318                                         color(BRIGHT_CYAN);
1319                                         pprintf("%-25s ", username);
1320                                         color(BRIGHT_MAGENTA);
1321                                         roomname[20] = 0;
1322                                         pprintf("%-20s", roomname);
1323
1324                                         if (screenwidth >= 80) {
1325                                                 pprintf(" ");
1326                                                 if (idletime > rc_idle_threshold) {
1327                                                         /* over 1000d, must be gone fishing */
1328                                                         if (idlehours > 23999) {
1329                                                                 pprintf("fish");
1330                                                         /* over 10 days */
1331                                                         } else if (idlehours > 239) {
1332                                                                 pprintf("%3ldd", idlehours / 24);
1333                                                         /* over 10 hours */
1334                                                         } else if (idlehours > 9) {
1335                                                                 pprintf("%1ldd%02ld",
1336                                                                         idlehours / 24,
1337                                                                         idlehours % 24);
1338                                                         /* less than 10 hours */
1339                                                         }
1340                                                         else {
1341                                                                 pprintf("%1ld:%02ld", idlehours, idlemins);
1342                                                         }
1343                                                 }
1344                                                 else {
1345                                                         pprintf("    ");
1346                                                 }
1347                                                 pprintf(" ");
1348                                                 color(BRIGHT_CYAN);
1349                                                 fromhost[24] = '\0';
1350                                                 pprintf("%-24s", fromhost);
1351                                         }
1352                                         pprintf("\n");
1353                                         color(DIM_WHITE);
1354                                 }
1355                         }
1356                 }
1357         }
1358         free(listing);
1359 }
1360
1361 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
1362 {
1363         char bbb[128];
1364         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
1365         newprompt(bbb, buf, maxlen);
1366 }
1367
1368
1369
1370 int shift(int argc, char **argv, int start, int count) {
1371         int i;
1372
1373         for (i=start; i<(argc-count); ++i) {
1374                 argv[i] = argv[i+count];
1375         }
1376         argc = argc - count;
1377         return argc;
1378 }
1379
1380 static void statusHook(char *s) {
1381         sln_printf(s);
1382         sln_flush();
1383 }
1384
1385 /*
1386  * main
1387  */
1388 int main(int argc, char **argv)
1389 {
1390         int a, b, mcmd;
1391         char aaa[100], bbb[100];/* general purpose variables */
1392         char argbuf[64];        /* command line buf */
1393         char nonce[NONCE_SIZE];
1394         char *telnet_client_host = NULL;
1395         char *sptr, *sptr2;     /* USed to extract the nonce */
1396         char hexstring[MD5_HEXSTRING_SIZE];
1397         int stored_password = 0;
1398         char password[SIZ];
1399         struct ctdlipcmisc chek;
1400         struct ctdluser *myself = NULL;
1401         CtdlIPC* ipc;                   /* Our server connection */
1402         int r;                          /* IPC result code */
1403
1404         int relh=0;
1405         int home=0;
1406         char relhome[PATH_MAX]="";
1407         char ctdldir[PATH_MAX]=CTDLDIR;
1408     int lp; 
1409 #ifdef HAVE_BACKTRACE
1410         eCrashParameters params;
1411 //      eCrashSymbolTable symbol_table;
1412 #endif
1413         CtdlInitBase64Table();
1414         calc_dirs_n_files(relh, home, relhome, ctdldir);
1415
1416 #ifdef HAVE_BACKTRACE
1417         bzero(&params, sizeof(params));
1418         params.filename = file_pid_paniclog;
1419 //      panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
1420         params.filep = fopen(file_pid_paniclog, "a+");
1421         params.debugLevel = ECRASH_DEBUG_VERBOSE;
1422         params.dumpAllThreads = TRUE;
1423         params.useBacktraceSymbols = 1;
1424 ///     BuildSymbolTable(&symbol_table);
1425 //      params.symbolTable = &symbol_table;
1426         params.signals[0]=SIGSEGV;
1427         params.signals[1]=SIGILL;
1428         params.signals[2]=SIGBUS;
1429         params.signals[3]=SIGABRT;
1430
1431         eCrash_Init(&params);
1432 #endif  
1433         setIPCDeathHook(screen_delete);
1434         setIPCErrorPrintf(err_printf);
1435         setCryptoStatusHook(statusHook);
1436         
1437         /* Permissions sanity check - don't run citadel setuid/setgid */
1438         if (getuid() != geteuid()) {
1439                 err_printf("Please do not run citadel setuid!\n");
1440                 logoff(NULL, 3);
1441         } else if (getgid() != getegid()) {
1442                 err_printf("Please do not run citadel setgid!\n");
1443                 logoff(NULL, 3);
1444         }
1445
1446         stty_ctdl(SB_SAVE);     /* Store the old terminal parameters */
1447         load_command_set();     /* parse the citadel.rc file */
1448         stty_ctdl(SB_NO_INTR);  /* Install the new ones */
1449         /* signal(SIGHUP, dropcarr);FIXME */    /* Cleanup gracefully if carrier is dropped */
1450         signal(SIGPIPE, dropcarr);      /* Cleanup gracefully if local conn. dropped */
1451         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
1452         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1453 #ifdef SIGWINCH
1454         signal(SIGWINCH, scr_winch);    /* Window resize signal */
1455 #endif
1456
1457 #ifdef HAVE_OPENSSL
1458         arg_encrypt = RC_DEFAULT;
1459 #endif
1460 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1461         arg_screen = RC_DEFAULT;
1462 #endif
1463
1464         /* 
1465          * Handle command line options as if we were called like /bin/login
1466          * (i.e. from in.telnetd)
1467          */
1468         for (a=0; a<argc; ++a) {
1469                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1470                         telnet_client_host = argv[a+1];
1471                         argc = shift(argc, argv, a, 2);
1472                 }
1473                 if (!strcmp(argv[a], "-x")) {
1474 #ifdef HAVE_OPENSSL
1475                         arg_encrypt = RC_NO;
1476 #endif
1477                         argc = shift(argc, argv, a, 1);
1478                 }
1479                 if (!strcmp(argv[a], "-X")) {
1480 #ifdef HAVE_OPENSSL
1481                         arg_encrypt = RC_YES;
1482                         argc = shift(argc, argv, a, 1);
1483 #else
1484                         fprintf(stderr, "Not compiled with encryption support");
1485                         return 1;
1486 #endif
1487                 }
1488                 if (!strcmp(argv[a], "-s")) {
1489 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1490                         arg_screen = RC_NO;
1491 #endif
1492                         argc = shift(argc, argv, a, 1);
1493                 }
1494                 if (!strcmp(argv[a], "-S")) {
1495 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1496                         arg_screen = RC_YES;
1497 #endif
1498                         argc = shift(argc, argv, a, 1);
1499                 }
1500                 if (!strcmp(argv[a], "-p")) {
1501                         struct stat st;
1502                 
1503                         if (chdir(CTDLDIR) < 0) {
1504                                 perror("can't change to " CTDLDIR);
1505                                 logoff(NULL, 3);
1506                         }
1507
1508                         /*
1509                          * Drop privileges if necessary. We stat
1510                          * citadel.config to get the uid/gid since it's
1511                          * guaranteed to have the uid/gid we want.
1512                          */
1513                         if (!getuid() || !getgid()) {
1514                                 if (stat(file_citadel_config, &st) < 0) {
1515                                         perror("couldn't stat citadel.config");
1516                                         logoff(NULL, 3);
1517                                 }
1518                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1519                                         perror("couldn't change gid");
1520                                         logoff(NULL, 3);
1521                                 }
1522                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1523                                         perror("couldn't change uid");
1524                                         logoff(NULL, 3);
1525                                 }
1526                                 /*
1527                                   scr_printf("Privileges changed to uid %d gid %d\n",
1528                                   getuid(), getgid());
1529                                 */
1530                         }
1531                         argc = shift(argc, argv, a, 1);
1532                 }
1533         }
1534         
1535
1536         screen_new();
1537
1538 #ifdef __CYGWIN__
1539         newprompt("Connect to (return for local server): ", hostbuf, 64);
1540 #endif
1541
1542         sln_printf("Attaching to server... \r");
1543         sln_flush();
1544         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1545         if (!ipc) {
1546                 screen_delete();
1547                 error_printf("Can't connect: %s\n", strerror(errno));
1548                 logoff(NULL, 3);
1549         }
1550 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1551         CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1552 #endif
1553         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1554
1555         CtdlIPC_chat_recv(ipc, aaa);
1556         if (aaa[0] != '2') {
1557                 scr_printf("%s\n", &aaa[4]);
1558                 logoff(ipc, atoi(aaa));
1559         }
1560
1561         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1562          * is zeroized.
1563          */
1564         
1565         if ((sptr = strchr(aaa, '<')) == NULL)
1566                 {
1567                         nonce[0] = '\0';
1568                 }
1569         else
1570                 {
1571                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1572                                 {
1573                                         nonce[0] = '\0';
1574                                 }
1575                         else
1576                                 {
1577                                         sptr2++;
1578                                         *sptr2 = '\0';
1579                                         strncpy(nonce, sptr, (size_t)NONCE_SIZE);
1580                                 }
1581                 }
1582
1583 #ifdef HAVE_OPENSSL
1584         /* Evaluate encryption preferences */
1585         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1586                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1587                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1588                         if (!secure)
1589                                 error_printf("Can't encrypt: %s\n", aaa);
1590                 }
1591         }
1592 #endif
1593
1594         get_serv_info(ipc, telnet_client_host);
1595         scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
1596                    ipc->ServInfo.site_location);
1597         scr_flush();
1598
1599         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location, NULL,
1600                     secure, -1);
1601
1602         screenwidth = 80;       /* default screen dimensions */
1603         screenheight = 24;
1604         
1605         scr_printf(" pause    next    stop\n");
1606         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1607         formout(ipc, "hello");  /* print the opening greeting */
1608         scr_printf("\n");
1609
1610  GSTA:  /* See if we have a username and password on disk */
1611         if (rc_remember_passwords) {
1612                 get_stored_password(hostbuf, portbuf, fullname, password);
1613                 if (!IsEmptyStr(fullname)) {
1614                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1615                         if (r / 100 == 3) {
1616                                 if (*nonce) {
1617                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1618                                 } else {
1619                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1620                                 }
1621                         }
1622
1623                         if (r / 100 == 2) {
1624                                 load_user_info(aaa);
1625                                 stored_password = 1;
1626                                 goto PWOK;
1627                         } else {
1628                                 set_stored_password(hostbuf, portbuf, "", "");
1629                         }
1630                 }
1631         }
1632
1633         termn8 = 0;
1634         newnow = 0;
1635         do {
1636                 if (!IsEmptyStr(rc_username)) {
1637                         strcpy(fullname, rc_username);
1638                 } else {
1639                         newprompt("Enter your name: ", fullname, 29);
1640                 }
1641                 strproc(fullname);
1642                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1643                         scr_printf("Please enter the name you wish to log in with.\n");
1644                 }
1645         } while (
1646                  (!strcasecmp(fullname, "bbs"))
1647                  || (!strcasecmp(fullname, "new"))
1648                  || (IsEmptyStr(fullname)));
1649
1650         if (!strcasecmp(fullname, "off")) {
1651                 mcmd = 29;
1652                 goto TERMN8;
1653         }
1654         /* sign on to the server */
1655         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1656         if (r / 100 != 3)
1657                 goto NEWUSR;
1658
1659         /* password authentication */
1660         if (!IsEmptyStr(rc_password)) {
1661                 strcpy(password, rc_password);
1662         } else {
1663                 newprompt("\rPlease enter your password: ", password, -19);
1664         }
1665         strproc(password);
1666
1667         if (*nonce) {
1668                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1669         } else {
1670                 r = CtdlIPCTryPassword(ipc, password, aaa);
1671         }
1672         
1673         if (r / 100 == 2) {
1674                 load_user_info(aaa);
1675                 offer_to_remember_password(ipc, hostbuf, portbuf,
1676                                            fullname, password);
1677                 goto PWOK;
1678         }
1679         scr_printf("<< wrong password >>\n");
1680         if (!IsEmptyStr(rc_password))
1681                 logoff(ipc, 2);
1682         goto GSTA;
1683
1684 NEWUSR: if (IsEmptyStr(rc_password)) {
1685                 scr_printf("'%s' not found.\n", fullname);
1686                 scr_printf("Type 'off' if you would like to exit.\n");
1687                 if (ipc->ServInfo.newuser_disabled == 1) {
1688                         goto GSTA;
1689                 }
1690                 scr_printf("Do you want to create a new user account called '%s'? ",
1691                         fullname);
1692                 if (yesno() == 0) {
1693                         goto GSTA;
1694                 }
1695         }
1696
1697         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1698         if (r / 100 != 2) {
1699                 scr_printf("%s\n", aaa);
1700                 goto GSTA;
1701         }
1702         load_user_info(aaa);
1703
1704         while (set_password(ipc) != 0);
1705         newnow = 1;
1706
1707         enter_config(ipc, 1);
1708
1709  PWOK:
1710         /* Switch color support on or off if we're in user mode */
1711         if (rc_ansi_color == 3) {
1712                 if (userflags & US_COLOR)
1713                         enable_color = 1;
1714                 else
1715                         enable_color = 0;
1716         }
1717
1718         color(BRIGHT_WHITE);
1719         scr_printf("\n%s\nAccess level: %d (%s)\n"
1720                    "User #%ld / Login #%d",
1721                    fullname, axlevel, axdefs[(int) axlevel],
1722                    usernum, timescalled);
1723         if (lastcall > 0L) {
1724                 scr_printf(" / Last login: %s",
1725                            asctime(localtime(&lastcall)));
1726         }
1727         scr_printf("\n");
1728
1729         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1730         if (r / 100 == 2) {
1731                 b = chek.newmail;
1732                 if (b > 0) {
1733                         color(BRIGHT_RED);
1734                         if (b == 1)
1735                                 scr_printf("*** You have a new private message in Mail>\n");
1736                         if (b > 1)
1737                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1738                         color(DIM_WHITE);
1739                         if (!IsEmptyStr(rc_gotmail_cmd)) {
1740                                 system(rc_gotmail_cmd);
1741                         }
1742                 }
1743                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1744                         scr_printf("*** Users need validation\n");
1745                 }
1746                 if (chek.needregis > 0) {
1747                         scr_printf("*** Please register.\n");
1748                         formout(ipc, "register");
1749                         entregis(ipc);
1750                 }
1751         }
1752         /* Make up some temporary filenames for use in various parts of the
1753          * program.  Don't mess with these once they've been set, because we
1754          * will be unlinking them later on in the program and we don't
1755          * want to delete something that we didn't create. */
1756         CtdlMakeTempFileName(temp, sizeof temp);
1757         CtdlMakeTempFileName(temp2, sizeof temp2);
1758         CtdlMakeTempFileName(tempdir, sizeof tempdir);
1759
1760         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1761          * we try to get the user's actual screen dimensions off the server.
1762          * However, if we're running on an xterm, all this stuff is
1763          * irrelevant because we're going to dynamically size the screen
1764          * during the session.
1765          */
1766         screenwidth = 80;
1767         screenheight = 24;
1768         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1769         if (r == 2) {
1770                 screenwidth = myself->USscreenwidth;
1771                 screenheight = myself->USscreenheight;
1772         }
1773         if (getenv("TERM") != NULL)
1774                 if (!strcmp(getenv("TERM"), "xterm")) {
1775                         have_xterm = 1;
1776                 }
1777 #ifdef TIOCGWINSZ
1778         check_screen_dims();
1779 #endif
1780
1781         set_floor_mode(ipc);
1782
1783         /* Enter the lobby */
1784         dotgoto(ipc, "_BASEROOM_", 1, 0);
1785
1786         /* Main loop for the system... user is logged in. */
1787     free(uglist[0]);
1788         uglistsize = 0;
1789
1790         if (newnow == 1)
1791                 readmsgs(ipc, LastMessages, ReadForward, 5);
1792         else
1793                 readmsgs(ipc, NewMessages, ReadForward, 0);
1794
1795         /* MAIN COMMAND LOOP */
1796         do {
1797                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1798
1799 #ifdef TIOCGWINSZ
1800                 check_screen_dims();            /* if xterm, get screen size */
1801 #endif
1802
1803                 if (termn8 == 0)
1804                         switch (mcmd) {
1805                         case 1:
1806                                 formout(ipc, "help");
1807                                 break;
1808                         case 4:
1809                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1810                                 break;
1811                         case 36:
1812                                 entmsg(ipc, 0, 1, 0);
1813                                 break;
1814                         case 46:
1815                                 entmsg(ipc, 0, 2, 0);
1816                                 break;
1817                         case 78:
1818                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 1);
1819                                 break;
1820                         case 5:                         /* <G>oto */
1821                                 updatels(ipc);
1822                                 gotonext(ipc);
1823                                 break;
1824                         case 47:                        /* <A>bandon */
1825                                 if (!rc_alt_semantics) {
1826                                         updatelsa(ipc);
1827                                 }
1828                                 gotonext(ipc);
1829                                 break;
1830                         case 90:                        /* <.A>bandon */
1831                                 if (!rc_alt_semantics)
1832                                         updatelsa(ipc);
1833                                 dotgoto(ipc, argbuf, 0, 0);
1834                                 break;
1835                         case 58:                        /* <M>ail */
1836                                 updatelsa(ipc);
1837                                 dotgoto(ipc, "_MAIL_", 1, 0);
1838                                 break;
1839                         case 20:
1840                                 if (!IsEmptyStr(argbuf)) {
1841                                         updatels(ipc);
1842                                         dotgoto(ipc, argbuf, 0, 0);
1843                                 }
1844                                 break;
1845                         case 52:
1846                                 if (!IsEmptyStr(argbuf)) {
1847                                         if (rc_alt_semantics) {
1848                                                 updatelsa(ipc);
1849                                         }
1850                                         dotgoto(ipc, argbuf, 0, 0);
1851                                 }
1852                                 break;
1853                         case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
1854                                 dotungoto(ipc, argbuf);
1855                                 break;
1856                         case 10:
1857                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1858                                 break;
1859                         case 9:
1860                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1861                                 break;
1862                         case 13:
1863                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1864                                 break;
1865                         case 11:
1866                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1867                                 break;
1868                         case 12:
1869                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1870                                 break;
1871                         case 71:
1872                                 readmsgs(ipc, LastMessages, ReadForward,
1873                                                 atoi(argbuf));
1874                                 break;
1875                         case 7:
1876                                 forget(ipc);
1877                                 break;
1878                         case 18:
1879                                 subshell();
1880                                 break;
1881                         case 38:
1882                                 updatels(ipc);
1883                                 entroom(ipc);
1884                                 break;
1885                         case 22:
1886                                 killroom(ipc);
1887                                 break;
1888                         case 32:
1889                                 userlist(ipc, argbuf);
1890                                 break;
1891                         case 27:
1892                                 invite(ipc);
1893                                 break;
1894                         case 28:
1895                                 kickout(ipc);
1896                                 break;
1897                         case 23:
1898                                 editthisroom(ipc);
1899                                 break;
1900                         case 14:
1901                                 roomdir(ipc);
1902                                 break;
1903                         case 33:
1904                                 download(ipc, 0);
1905                                 break;
1906                         case 34:
1907                                 download(ipc, 1);
1908                                 break;
1909                         case 31:
1910                                 download(ipc, 2);
1911                                 break;
1912                         case 43:
1913                                 download(ipc, 3);
1914                                 break;
1915                         case 45:
1916                                 download(ipc, 4);
1917                                 break;
1918                         case 55:
1919                                 download(ipc, 5);
1920                                 break;
1921                         case 39:
1922                                 upload(ipc, 0);
1923                                 break;
1924                         case 40:
1925                                 upload(ipc, 1);
1926                                 break;
1927                         case 42:
1928                                 upload(ipc, 2);
1929                                 break;
1930                         case 44:
1931                                 upload(ipc, 3);
1932                                 break;
1933                         case 57:
1934                                 cli_upload(ipc);
1935                                 break;
1936                         case 16:
1937                                 ungoto(ipc);
1938                                 break;
1939                         case 24:
1940                                 whoknows(ipc);
1941                                 break;
1942                         case 26:
1943                                 validate(ipc);
1944                                 break;
1945                         case 29:
1946                         case 30:
1947                                 if (!rc_alt_semantics) {
1948                                         updatels(ipc);
1949                                 }
1950                                 termn8 = 1;
1951                                 break;
1952                         case 48:
1953                                 enterinfo(ipc);
1954                                 break;
1955                         case 49:
1956                                 readinfo(ipc);
1957                                 break;
1958                         case 72:
1959                                 cli_image_upload(ipc, "_userpic_");
1960                                 break;
1961                         case 73:
1962                                 cli_image_upload(ipc, "_roompic_");
1963                                 break;
1964
1965                         case 74:
1966                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1967                                 cli_image_upload(ipc, aaa);
1968                                 break;
1969
1970                         case 75:
1971                                 enternew(ipc, "roomname", aaa, 20);
1972                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1973                                 if (r / 100 != 2)
1974                                         scr_printf("\n%s\n", bbb);
1975                                 break;
1976                         case 76:
1977                                 enternew(ipc, "hostname", aaa, 25);
1978                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1979                                 if (r / 100 != 2)
1980                                         scr_printf("\n%s\n", bbb);
1981                                 break;
1982                         case 77:
1983                                 enternew(ipc, "username", aaa, 32);
1984                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
1985                                 if (r / 100 != 2)
1986                                         scr_printf("\n%s\n", bbb);
1987                                 break;
1988
1989                         case 35:
1990                                 set_password(ipc);
1991                                 break;
1992
1993                         case 21:
1994                                 if (argbuf[0] == 0)
1995                                         strcpy(aaa, "?");
1996                                 display_help(ipc, argbuf);
1997                                 break;
1998
1999                         case 41:
2000                                 formout(ipc, "register");
2001                                 entregis(ipc);
2002                                 break;
2003
2004                         case 15:
2005                                 scr_printf("Are you sure (y/n)? ");
2006                                 if (yesno() == 1) {
2007                                         if (!rc_alt_semantics)
2008                                                 updatels(ipc);
2009                                         a = 0;
2010                                         termn8 = 1;
2011                                 }
2012                                 break;
2013
2014                         case 85:
2015                                 scr_printf("All users will be disconnected!  "
2016                                            "Really terminate the server? ");
2017                                 if (yesno() == 1) {
2018                                         if (!rc_alt_semantics)
2019                                                 updatels(ipc);
2020                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
2021                                         scr_printf("%s\n", aaa);
2022                                         if (r / 100 == 2) {
2023                                                 a = 0;
2024                                                 termn8 = 1;
2025                                         }
2026                                 }
2027                                 break;
2028
2029                         case 86:
2030                                 scr_printf("Do you really want to schedule a "
2031                                            "server shutdown? ");
2032                                 if (yesno() == 1) {
2033                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
2034                                         if (r / 100 == 2) {
2035                                                 if (atoi(aaa)) {
2036                                                         scr_printf(
2037                                                                    "The Citadel server will terminate when all users are logged off.\n"
2038                                                                    );
2039                                                 } else {
2040                                                         scr_printf(
2041                                                                    "The Citadel server will not terminate.\n"
2042                                                                    );
2043                                                 }
2044                                         }
2045                                 }
2046                                 break;
2047
2048                         case 87:
2049                                 network_config_management(ipc, "listrecp",
2050                                                           "Message-by-message mailing list recipients");
2051                                 break;
2052
2053                         case 94:
2054                                 network_config_management(ipc, "digestrecp",
2055                                                           "Digest mailing list recipients");
2056                                 break;
2057
2058                         case 89:
2059                                 network_config_management(ipc, "ignet_push_share",
2060                                                           "Nodes with which we share this room");
2061                                 break;
2062
2063                         case 88:
2064                                 do_ignet_configuration(ipc);
2065                                 break;
2066
2067                         case 92:
2068                                 do_filterlist_configuration(ipc);
2069                                 break;
2070
2071                         case 6:
2072                                 if (rc_alt_semantics) {
2073                                         updatelsa(ipc);
2074                                 }
2075                                 gotonext(ipc);
2076                                 break;
2077
2078                         case 3:
2079                                 chatmode(ipc);
2080                                 break;
2081
2082                         case 2:
2083                                 if (ipc->isLocal) {
2084                                         screen_reset();
2085                                         stty_ctdl(SB_RESTORE);
2086                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
2087                                                  "exec ./subsystem %ld %d %d", fullname,
2088                                                  usernum, screenwidth, axlevel);
2089                                         ka_system(aaa);
2090                                         stty_ctdl(SB_NO_INTR);
2091                                         screen_set();
2092                                 } else {
2093                                         scr_printf("*** Can't run doors when server is not local.\n");
2094                                 }
2095                                 break;
2096
2097                         case 17:
2098                                 who_is_online(ipc, 0);
2099                                 break;
2100
2101                         case 79:
2102                                 who_is_online(ipc, 1);
2103                                 break;
2104
2105                         case 91:
2106                                 who_is_online(ipc, 2);
2107                                 break;
2108                 
2109                         case 80:
2110                                 do_system_configuration(ipc);
2111                                 break;
2112
2113                         case 82:
2114                                 do_internet_configuration(ipc);
2115                                 break;
2116
2117                         case 83:
2118                                 check_message_base(ipc);
2119                                 break;
2120
2121                         case 84:
2122                                 quiet_mode(ipc);
2123                                 break;
2124
2125                         case 93:
2126                                 stealth_mode(ipc);
2127                                 break;
2128
2129                         case 50:
2130                                 enter_config(ipc, 2);
2131                                 break;
2132
2133                         case 37:
2134                                 enter_config(ipc, 0);
2135                                 set_floor_mode(ipc);
2136                                 break;
2137
2138                         case 59:
2139                                 enter_config(ipc, 3);
2140                                 set_floor_mode(ipc);
2141                                 break;
2142
2143                         case 60:
2144                                 gotofloor(ipc, argbuf, GF_GOTO);
2145                                 break;
2146
2147                         case 61:
2148                                 gotofloor(ipc, argbuf, GF_SKIP);
2149                                 break;
2150
2151                         case 62:
2152                                 forget_this_floor(ipc);
2153                                 break;
2154
2155                         case 63:
2156                                 create_floor(ipc);
2157                                 break;
2158
2159                         case 64:
2160                                 edit_floor(ipc);
2161                                 break;
2162
2163                         case 65:
2164                                 kill_floor(ipc);
2165                                 break;
2166
2167                         case 66:
2168                                 enter_bio(ipc);
2169                                 break;
2170
2171                         case 67:
2172                                 read_bio(ipc);
2173                                 break;
2174
2175                         case 25:
2176                                 edituser(ipc, 25);
2177                                 break;
2178
2179                         case 96:
2180                                 edituser(ipc, 96);
2181                                 break;
2182
2183                         case 8:
2184                                 knrooms(ipc, floor_mode);
2185                                 scr_printf("\n");
2186                                 break;
2187
2188                         case 68:
2189                                 knrooms(ipc, 2);
2190                                 scr_printf("\n");
2191                                 break;
2192
2193                         case 69:
2194                                 misc_server_cmd(ipc, argbuf);
2195                                 break;
2196
2197                         case 70:
2198                                 edit_system_message(ipc, argbuf);
2199                                 break;
2200
2201                         case 19:
2202                                 listzrooms(ipc);
2203                                 scr_printf("\n");
2204                                 break;
2205
2206                         case 51:
2207                                 deletefile(ipc);
2208                                 break;
2209
2210                         case 53:
2211                                 netsendfile(ipc);
2212                                 break;
2213
2214                         case 54:
2215                                 movefile(ipc);
2216                                 break;
2217
2218                         case 56:
2219                                 page_user(ipc);
2220                                 break;
2221
2222             case 110:           /* <+> Next room */
2223                                  gotoroomstep(ipc, 1, 0);
2224                              break;
2225
2226             case 111:           /* <-> Previous room */
2227                  gotoroomstep(ipc, 0, 0);
2228                              break;
2229
2230                         case 112:           /* <>> Next floor */
2231                  gotofloorstep(ipc, 1, GF_GOTO);
2232                              break;
2233
2234                         case 113:           /* <<> Previous floor */
2235                  gotofloorstep(ipc, 0, GF_GOTO);
2236                                  break;
2237
2238             case 116:           /* <.> skip to <+> Next room */
2239                  gotoroomstep(ipc, 1, 1);
2240                              break;
2241
2242             case 117:           /* <.> skip to <-> Previous room */
2243                  gotoroomstep(ipc, 0, 1);
2244                              break;
2245
2246                         case 118:           /* <.> skip to <>> Next floor */
2247                  gotofloorstep(ipc, 1, GF_SKIP);
2248                              break;
2249
2250                         case 119:           /* <.> skip to <<> Previous floor */
2251                  gotofloorstep(ipc, 0, GF_SKIP);
2252                                  break;
2253
2254                         case 114:           
2255                  read_config(ipc);
2256                                  break;
2257
2258                         case 115:           
2259                  system_info(ipc);
2260                                  break;
2261
2262                         case 120:           /* .KAnonymous */
2263                          dotknown(ipc, 0, NULL);
2264                                  break;
2265
2266                         case 121:           /* .KDirectory */
2267                          dotknown(ipc, 1, NULL);
2268                                  break;
2269
2270                         case 122:           /* .KMatch */
2271                          dotknown(ipc, 2, argbuf);
2272                                  break;
2273
2274                         case 123:           /* .KpreferredOnly */
2275                          dotknown(ipc, 3, NULL);
2276                                  break;
2277
2278                         case 124:           /* .KPrivate */
2279                          dotknown(ipc, 4, NULL);
2280                                  break;
2281
2282                         case 125:           /* .KRead only */
2283                          dotknown(ipc, 5, NULL);
2284                                  break;
2285
2286                         case 126:           /* .KShared */
2287                          dotknown(ipc, 6, NULL);
2288                                  break;
2289
2290                         case 127:           /* Configure POP3 aggregation */
2291                                 do_pop3client_configuration(ipc);
2292                                 break;
2293
2294                         default: /* allow some math on the command */
2295                                 /* commands 100... to 100+MAX_EDITORS-1 will
2296                                    call the appropriate editor... in other
2297                                    words, command numbers 100+ will match
2298                                    the citadel.rc keys editor0, editor1, etc.*/
2299                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
2300                                 {
2301                                         /* entmsg mode >=2 select editor */
2302                                         entmsg(ipc, 0, mcmd - 100 + 2, 0);
2303                                         break;
2304                                 }
2305                         }       /* end switch */
2306         } while (termn8 == 0);
2307
2308 TERMN8: scr_printf("%s logged out.", fullname);
2309         termn8 = 0;
2310         color(ORIGINAL_PAIR);
2311         scr_printf("\n");
2312         while (march != NULL) {
2313                 remove_march(march->march_name, 0);
2314         }
2315         if (mcmd == 30) {
2316                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
2317         }
2318         CtdlIPCLogout(ipc);
2319         if ((mcmd == 29) || (mcmd == 15)) {
2320                 screen_delete();
2321                 stty_ctdl(SB_RESTORE);
2322                 formout(ipc, "goodbye");
2323                 logoff(ipc, 0);
2324         }
2325         /* Free the ungoto list */
2326         for (lp = 0; lp < uglistsize; lp++) {
2327                 free(uglist[lp]);
2328         }
2329     uglistsize = 0;
2330         goto GSTA;
2331
2332 }       /* end main() */