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