The status line is back! Reused the callbacks from IO ERROR's
[citadel.git] / citadel / textclient / citadel.c
1 /*
2  * Main source module for the client program.
3  *
4  * Copyright (c) 1987-2009 by the citadel.org team
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 3 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20
21 #include "sysdep.h"
22 #include <stdlib.h>
23 #include <unistd.h>
24 #include <fcntl.h>
25 #include <stdio.h>
26 #include <ctype.h>
27 #include <string.h>
28
29 #if TIME_WITH_SYS_TIME
30 # include <sys/time.h>
31 # include <time.h>
32 #else
33 # if HAVE_SYS_TIME_H
34 #  include <sys/time.h>
35 # else
36 #  include <time.h>
37 # endif
38 #endif
39
40 #include <limits.h>
41 #include <sys/types.h>
42 #include <sys/wait.h>
43 #include <sys/stat.h>
44 #include <sys/ioctl.h>
45 #include <signal.h>
46 #include <pwd.h>
47 #include <stdarg.h>
48 #include <errno.h>
49 #include <libcitadel.h>
50 #include "citadel.h"
51 #include "citadel_ipc.h"
52 #include "axdefs.h"
53 #include "routines.h"
54 #include "routines2.h"
55 #include "tuiconfig.h"
56 #include "rooms.h"
57 #include "messages.h"
58 #include "commands.h"
59 #include "client_chat.h"
60 #include "client_passwords.h"
61 #include "citadel_decls.h"
62 #include "sysdep.h"
63 #ifndef HAVE_SNPRINTF
64 #include "snprintf.h"
65 #endif
66 #include "screen.h"
67 #include "citadel_dirs.h"
68
69 #include "ecrash.h"
70 #include "md5.h"
71
72 #define IFEXPERT if (userflags&US_EXPERT)
73 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
74 #define IFAIDE if (axlevel>=AxAideU)
75 #define IFNAIDE if (axlevel<AxAideU)
76
77 int rordercmp(struct ctdlroomlisting *r1, struct ctdlroomlisting *r2);
78 march *marchptr = NULL;
79 extern char *moreprompt;
80
81 /* globals associated with the client program */
82 char temp[PATH_MAX];            /* Name of general-purpose temp file */
83 char temp2[PATH_MAX];           /* Name of general-purpose temp file */
84 char tempdir[PATH_MAX];         /* Name of general-purpose temp directory */
85 char editor_paths[MAX_EDITORS][SIZ];    /* paths to external editors */
86 char printcmd[SIZ];             /* print command */
87 int editor_pid = (-1);
88 char fullname[USERNAME_SIZE];
89 int screenwidth;
90 int screenheight;
91 unsigned room_flags;
92 unsigned room_flags2;
93 int entmsg_ok = 0;
94 char room_name[ROOMNAMELEN];
95 char *uglist[UGLISTLEN]; /* size of the ungoto list */
96 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
97 int uglistsize = 0;
98 char is_mail = 0;               /* nonzero when we're in a mail room */
99 char axlevel = AxDeleted;               /* access level */
100 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
101 int timescalled;
102 int posted;
103 unsigned userflags;
104 long usernum = 0L;              /* user number */
105 time_t lastcall = 0L;           /* Date/time of previous login */
106 char newnow;
107 long highest_msg_read;          /* used for <A>bandon room cmd */
108 long maxmsgnum;                 /* used for <G>oto */
109 char sigcaught = 0;
110 char have_xterm = 0;            /* are we running on an xterm? */
111 char rc_username[USERNAME_SIZE];
112 char rc_password[32];
113 char hostbuf[SIZ];
114 char portbuf[SIZ];
115 char rc_floor_mode;
116 char floor_mode;
117 char curr_floor = 0;            /* number of current floor */
118 char floorlist[128][SIZ];       /* names of floors */
119 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
120 int secure;                     /* Set to nonzero when wire is encrypted */
121
122 extern char instant_msgs;       /* instant messages waiting! */
123 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
124 extern int next_lazy_cmd;
125
126 CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
127 int enable_syslog = 0;
128
129
130 /*
131  * CtdlLogPrintf()  ...   Write logging information; 
132  *                  simple here to have the same 
133  *                  symbols in the client.
134  */
135
136 void CtdlLogPrintf(enum LogLevel loglevel, const char *format, ...) {   
137         va_list arg_ptr;
138
139         va_start(arg_ptr, format);
140         vfprintf(stderr, format, arg_ptr);   
141         va_end(arg_ptr);   
142         fflush(stderr);
143 }   
144
145 /*
146  * here is our 'clean up gracefully and exit' routine
147  */
148 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
149 {
150         int lp;
151
152         if (editor_pid > 0) {   /* kill the editor if it's running */
153                 kill(editor_pid, SIGHUP);
154         }
155
156         /* Free the ungoto list */
157         for (lp = 0; lp < uglistsize; lp++) {
158                 free(uglist[lp]);
159         }
160
161 /* Shut down the server connection ... but not if the logoff code is 3,
162  * because that means we're exiting because we already lost the server.
163  */
164         if (code != 3) {
165                 CtdlIPCQuit(ipc);
166         }
167
168 /*
169  * now clean up various things
170  */
171         unlink(temp);
172         unlink(temp2);
173         nukedir(tempdir);
174
175         /* Violently kill off any child processes if Citadel is
176          * the login shell. 
177          */
178         if (getppid() == 1) {
179                 kill(0 - getpgrp(), SIGTERM);
180                 sleep(1);
181                 kill(0 - getpgrp(), SIGKILL);
182         }
183         color(ORIGINAL_PAIR);   /* Restore the old color settings */
184         stty_ctdl(SB_RESTORE);  /* return the old terminal settings */
185         /* 
186          * uncomment the following if you need to know why Citadel exited
187         printf("*** Exit code %d at %s:%d\n", code, file, line);
188         sleep(2);
189          */
190         exit(code);             /* exit with the proper exit code */
191 }
192
193
194
195 /*
196  * signal catching function for hangups...
197  */
198 void dropcarr(int signum)
199 {
200         logoff(NULL, 3);        /* No IPC when server's already gone! */
201 }
202
203
204
205 /*
206  * catch SIGCONT to reset terminal modes when were are put back into the
207  * foreground.
208  */
209 void catch_sigcont(int signum)
210 {
211         stty_ctdl(SB_LAST);
212         signal(SIGCONT, catch_sigcont);
213 }
214
215
216 /* general purpose routines */
217
218 /* display a file */
219 void formout(CtdlIPC *ipc, char *name)
220 {
221         int r;                  /* IPC return code */
222         char buf[SIZ];
223         char *text = NULL;
224
225         r = CtdlIPCSystemMessage(ipc, name, &text, buf);
226         if (r / 100 != 1) {
227                 scr_printf("%s\n", buf);
228                 return;
229         }
230         if (text) {
231                 fmout(screenwidth, NULL, text, NULL, 1);
232                 free(text);
233         }
234 }
235
236
237 void userlist(CtdlIPC *ipc, char *patn)
238 {
239         char buf[SIZ];
240         char fl[SIZ];
241         struct tm tmbuf;
242         time_t lc;
243         int r;                          /* IPC response code */
244         char *listing = NULL;
245
246         r = CtdlIPCUserListing(ipc, patn, &listing, buf);
247         if (r / 100 != 1) {
248                 scr_printf("%s\n", buf);
249                 return;
250         }
251
252         scr_printf("       User Name           Num  L Last Visit Logins Messages\n");
253         scr_printf("------------------------- ----- - ---------- ------ --------\n");
254         if (listing != NULL) while (!IsEmptyStr(listing)) {
255                 extract_token(buf, listing, 0, '\n', sizeof buf);
256                 remove_token(listing, 0, '\n');
257
258                 if (sigcaught == 0) {
259                     extract_token(fl, buf, 0, '|', sizeof fl);
260                     if (pattern(fl, patn) >= 0) {
261                         scr_printf("%-25s ", fl);
262                         scr_printf("%5ld %d ", extract_long(buf, 2),
263                                extract_int(buf, 1));
264                         lc = extract_long(buf, 3);
265                         localtime_r(&lc, &tmbuf);
266                         scr_printf("%02d/%02d/%04d ",
267                                (tmbuf.tm_mon + 1),
268                                tmbuf.tm_mday,
269                                (tmbuf.tm_year + 1900));
270                         scr_printf("%6ld %8ld\n", extract_long(buf, 4), extract_long(buf, 5));
271                     }
272
273                 }
274         }
275         free(listing);
276         scr_printf("\n");
277 }
278
279
280 /*
281  * grab assorted info about the user...
282  */
283 void load_user_info(char *params)
284 {
285         extract_token(fullname, params, 0, '|', sizeof fullname);
286         axlevel = extract_int(params, 1);
287         timescalled = extract_int(params, 2);
288         posted = extract_int(params, 3);
289         userflags = extract_int(params, 4);
290         usernum = extract_long(params, 5);
291         lastcall = extract_long(params, 6);
292 }
293
294
295 /*
296  * Remove a room from the march list.  'floornum' is ignored unless
297  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
298  * floor will be removed from the march list.
299  */
300 void remove_march(char *roomname, int floornum)
301 {
302         struct march *mptr, *mptr2;
303
304         if (marchptr == NULL)
305                 return;
306
307         if ((!strcasecmp(marchptr->march_name, roomname))
308             || ((!strcasecmp(roomname, "_FLOOR_")) && (marchptr->march_floor == floornum))) {
309                 mptr = marchptr->next;
310                 free(marchptr);
311                 marchptr = mptr;
312                 return;
313         }
314         mptr2 = marchptr;
315         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
316
317                 if ((!strcasecmp(mptr->march_name, roomname))
318                     || ((!strcasecmp(roomname, "_FLOOR_"))
319                         && (mptr->march_floor == floornum))) {
320
321                         mptr2->next = mptr->next;
322                         free(mptr);
323                         mptr = mptr2;
324                 } else {
325                         mptr2 = mptr;
326                 }
327         }
328 }
329
330
331 /*
332  * Locate the room on the march list which we most want to go to.  Each room
333  * is measured given a "weight" of preference based on various factors.
334  */
335 char *pop_march(int desired_floor, struct march *_march)
336 {
337         static char TheRoom[ROOMNAMELEN];
338         int TheFloor = 0;
339         int TheOrder = 32767;
340         int TheWeight = 0;
341         int weight;
342         struct march *mptr = NULL;
343
344         strcpy(TheRoom, "_BASEROOM_");
345         if (_march == NULL)
346                 return (TheRoom);
347
348         for (mptr = _march; mptr != NULL; mptr = mptr->next) {
349                 weight = 0;
350                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
351                         weight = weight + 10000;
352                 if (mptr->march_floor == desired_floor)
353                         weight = weight + 5000;
354
355                 weight = weight + ((128 - (mptr->march_floor)) * 128);
356                 weight = weight + (128 - (mptr->march_order));
357
358                 if (weight > TheWeight) {
359                         TheWeight = weight;
360                         strcpy(TheRoom, mptr->march_name);
361                         TheFloor = mptr->march_floor;
362                         TheOrder = mptr->march_order;
363                 }
364         }
365         return (TheRoom);
366 }
367
368
369 /*
370  * jump directly to a room
371  */
372 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
373 {
374         char aaa[SIZ], bbb[SIZ];
375         static long ls = 0L;
376         int newmailcount = 0;
377         int partial_match, best_match;
378         char from_floor;
379         int ugpos = uglistsize;
380         int r;                          /* IPC result code */
381         struct ctdlipcroom *room = NULL;
382         int rv = 0;
383
384         /* store ungoto information */
385         if (fromungoto == 0) {
386                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
387                 if (uglistsize >= (UGLISTLEN-1)) {
388                         int lp;
389                         free (uglist[0]);
390                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
391                                 uglist[lp] = uglist[lp+1];
392                                 uglistlsn[lp] = uglistlsn[lp+1];
393                         }
394                         ugpos--;
395                 } else {
396                         uglistsize++;
397                 }
398         
399                 uglist[ugpos] = malloc(strlen(room_name)+1);
400                 strcpy(uglist[ugpos], room_name);
401                 uglistlsn[ugpos] = ls;
402         }
403       
404         /* first try an exact match */
405         r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
406         if (r / 10 == 54) {
407                 newprompt("Enter room password: ", bbb, 9);
408                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
409                 if (r / 10 == 54) {
410                         scr_printf("Wrong password.\n");
411                         return;
412                 }
413         }       
414
415         /*
416          * If a match is not found, try a partial match.
417          * Partial matches anywhere in the string carry a weight of 1,
418          * left-aligned matches carry a weight of 2.  Pick the room that
419          * has the highest-weighted match.  Do not match on forgotten
420          * rooms.
421          */
422         if (r / 100 != 2) {
423                 struct march *march = NULL;
424
425                 best_match = 0;
426                 strcpy(bbb, "");
427
428                 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
429                 if (r / 100 == 1) {
430                         /* Run the roomlist; free the data as we go */
431                         struct march *mp = march;       /* Current */
432
433                         while (mp) {
434                                 partial_match = 0;
435                                 if (pattern(mp->march_name, towhere) >= 0) {
436                                         partial_match = 1;
437                                 }
438                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
439                                         partial_match = 2;
440                                 }
441                                 if (partial_match > best_match) {
442                                         strcpy(bbb, mp->march_name);
443                                         best_match = partial_match;
444                                 }
445                                 /* Both pointers are NULL at end of list */
446                                 march = mp->next;
447                                 free(mp);
448                                 mp = march;
449                         }
450                 }
451
452                 if (IsEmptyStr(bbb)) {
453                         scr_printf("No room '%s'.\n", towhere);
454                         return;
455                 }
456                 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
457         }
458         if (r / 100 != 1 && r / 100 != 2) {
459                 scr_printf("%s\n", aaa);
460                 return;
461         }
462         safestrncpy(room_name, room->RRname, ROOMNAMELEN);
463         room_flags = room->RRflags;
464         room_flags2 = room->RRflags2;
465         from_floor = curr_floor;
466         curr_floor = room->RRfloor;
467
468         /* Determine, based on the room's default view, whether an <E>nter message
469          * command will be valid here.
470          */
471         switch(room->RRdefaultview) {
472                 case VIEW_BBS:
473                 case VIEW_MAILBOX:
474                                         entmsg_ok = 1;
475                                         break;
476                 default:
477                                         entmsg_ok = 0;
478                                         break;
479         }
480
481         remove_march(room_name, 0);
482         if (!strcasecmp(towhere, "_BASEROOM_"))
483                 remove_march(towhere, 0);
484         if (!room->RRunread)
485                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
486         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
487                 if (floorlist[(int) curr_floor][0] == 0)
488                         load_floorlist(ipc);
489                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
490         }
491         if (display_name == 1) {
492                 color(BRIGHT_WHITE);
493                 scr_printf("%s ", room_name);
494                 color(DIM_WHITE);
495                 scr_printf("- ");
496         }
497         if (display_name != 2) {
498                 color(BRIGHT_YELLOW);
499                 scr_printf("%d ", room->RRunread);
500                 color(DIM_WHITE);
501                 scr_printf("new of ");
502                 color(BRIGHT_YELLOW);
503                 scr_printf("%d ", room->RRtotal);
504                 color(DIM_WHITE);
505                 scr_printf("messages.\n");
506         }
507         highest_msg_read = room->RRlastread;
508         maxmsgnum = room->RRhighest;
509         is_mail = room->RRismailbox;
510         is_room_aide = room->RRaide;
511         ls = room->RRlastread;
512
513         /* read info file if necessary */
514         if (room->RRinfoupdated > 0)
515                 readinfo(ipc);
516
517         /* check for newly arrived mail if we can */
518         newmailcount = room->RRnewmail;
519         if (newmailcount > 0) {
520                 color(BRIGHT_RED);
521                 if (newmailcount == 1) {
522                         scr_printf("*** A new mail message has arrived.\n");
523                 }
524                 else {
525                         scr_printf("*** %d new mail messages have arrived.\n",
526                                         newmailcount);
527                 }
528                 color(DIM_WHITE);
529                 if (!IsEmptyStr(rc_gotmail_cmd)) {
530                         rv = system(rc_gotmail_cmd);
531                 }
532         }
533         free(room);
534
535         if (screenwidth>5) snprintf(&status_line[1], screenwidth-1, "%s  |  %s  |  %s  |  %s  |  %d new mail  |",
536                 (secure ? "Encrypted" : "Unencrypted"),
537                 ipc->ServInfo.humannode,
538                 ipc->ServInfo.site_location,
539                 room_name,
540                 newmailcount
541         );
542 }
543
544 /* Goto next room having unread messages.
545  * We want to skip over rooms that the user has already been to, and take the
546  * user back to the lobby when done.  The room we end up in is placed in
547  * newroom - which is set to 0 (the lobby) initially.
548  */
549 void gotonext(CtdlIPC *ipc)
550 {
551         char buf[SIZ];
552         struct march *mptr, *mptr2;
553         char next_room[ROOMNAMELEN];
554         int r;                          /* IPC response code */
555
556         /* Check to see if the march-mode list is already allocated.
557          * If it is, pop the first room off the list and go there.
558          */
559         if (marchptr == NULL) {
560                 r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
561                                         AllFloors, &marchptr, buf);
562
563 /* add _BASEROOM_ to the end of the march list, so the user will end up
564  * in the system base room (usually the Lobby>) at the end of the loop
565  */
566                 mptr = (struct march *) malloc(sizeof(struct march));
567                 mptr->next = NULL;
568                 mptr->march_order = 0;
569                 mptr->march_floor = 0;
570                 strcpy(mptr->march_name, "_BASEROOM_");
571                 if (marchptr == NULL) {
572                         marchptr = mptr;
573                 } else {
574                         mptr2 = marchptr;
575                         while (mptr2->next != NULL)
576                                 mptr2 = mptr2->next;
577                         mptr2->next = mptr;
578                 }
579 /*
580  * ...and remove the room we're currently in, so a <G>oto doesn't make us
581  * walk around in circles
582  */
583                 remove_march(room_name, 0);
584         }
585         if (marchptr != NULL) {
586                 strcpy(next_room, pop_march(curr_floor, marchptr));
587         } else {
588                 strcpy(next_room, "_BASEROOM_");
589         }
590         remove_march(next_room, 0);
591         dotgoto(ipc, next_room, 1, 0);
592 }
593
594 /*
595  * forget all rooms on a given floor
596  */
597 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
598 {
599         char buf[SIZ];
600         struct march *flist = NULL;
601         struct march *fptr = NULL;
602         struct ctdlipcroom *room = NULL;
603         int r;                          /* IPC response code */
604
605         scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
606         scr_flush();
607         remove_march("_FLOOR_", ffloor);
608         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
609         if (r / 100 != 1) {
610                 scr_printf("Error %d: %s\n", r, buf);
611                 return;
612         }
613         while (flist) {
614                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
615                 if (r / 100 == 2) {
616                         r = CtdlIPCForgetRoom(ipc, buf);
617                         if (r / 100 != 2) {
618                                 scr_printf("Error %d: %s\n", r, buf);
619                         }
620
621                 }
622                 fptr = flist;
623                 flist = flist->next;
624                 free(fptr);
625         }
626         if (room) free(room);
627 }
628
629
630 /*
631  * routine called by gotofloor() to move to a new room on a new floor
632  */
633 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
634 {
635         int floor_being_left;
636
637         floor_being_left = curr_floor;
638
639         if (mode == GF_GOTO) {          /* <;G>oto mode */
640                 updatels(ipc);
641                 dotgoto(ipc, towhere, 1, 0);
642         }
643         else if (mode == GF_SKIP) {     /* <;S>kip mode */
644                 dotgoto(ipc, towhere, 1, 0);
645                 remove_march("_FLOOR_", floor_being_left);
646         }
647         else if (mode == GF_ZAP) {      /* <;Z>ap mode */
648                 dotgoto(ipc, towhere, 1, 0);
649                 remove_march("_FLOOR_", floor_being_left);
650                 forget_all_rooms_on(ipc, floor_being_left);
651         }
652 }
653
654
655 /*
656  * go to a new floor
657  */
658 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
659 {
660         int a, tofloor;
661         int r;          /* IPC response code */
662         struct march *mptr;
663         char buf[SIZ], targ[SIZ];
664
665         if (floorlist[0][0] == 0)
666                 load_floorlist(ipc);
667         tofloor = (-1);
668         for (a = 0; a < 128; ++a)
669                 if (!strcasecmp(&floorlist[a][0], towhere))
670                         tofloor = a;
671
672         if (tofloor < 0) {
673                 for (a = 0; a < 128; ++a) {
674                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
675                                 tofloor = a;
676                         }
677                 }
678         }
679         if (tofloor < 0) {
680                 for (a = 0; a < 128; ++a)
681                         if (pattern(towhere, &floorlist[a][0]) > 0)
682                                 tofloor = a;
683         }
684         if (tofloor < 0) {
685                 scr_printf("No floor '%s'.\n", towhere);
686                 return;
687         }
688         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
689                 if ((mptr->march_floor) == tofloor) {
690                         gf_toroom(ipc, mptr->march_name, mode);
691                         return;
692                 }
693         }
694
695         /* Find first known room on the floor */
696
697         strcpy(targ, "");
698         mptr = NULL;
699         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
700         if (r / 100 == 1) {
701                 struct march *tmp = mptr;
702
703                 /*. . . according to room order */
704                 if (mptr)
705             strcpy(targ, pop_march(tofloor, mptr));
706                 while (mptr) {
707                         tmp = mptr->next;
708                         free(mptr);
709                         mptr = tmp;
710                 }
711         }
712         if (!IsEmptyStr(targ)) {
713                 gf_toroom(ipc, targ, mode);
714                 return;
715         }
716
717         /* No known rooms on the floor; unzap the first one then */
718
719         strcpy(targ, "");
720         mptr = NULL;
721         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
722         if (r / 100 == 1) {
723                 struct march *tmp = mptr;
724                 
725         /*. . . according to room order */
726                 if (mptr)
727                         strcpy(targ, pop_march(tofloor, mptr));
728                 while (mptr) {
729                         tmp = mptr->next;
730                         free(mptr);
731                         mptr = tmp;
732                 }
733         }
734         if (!IsEmptyStr(targ)) {
735                 gf_toroom(ipc, targ, mode);
736         } else {
737                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
738         }
739 }
740
741 /*
742  * Indexing mechanism for a room list, called by gotoroomstep()
743  */
744 void room_tree_list_query(struct ctdlroomlisting *rp, char *findrmname, int findrmslot, char *rmname, int *rmslot, int *rmtotal)
745 {
746         char roomname[ROOMNAMELEN];
747         static int cur_rmslot = 0;
748
749         if (rp == NULL) {
750                 cur_rmslot = 0;
751                 return;
752         }
753
754         if (rp->lnext != NULL) {
755                 room_tree_list_query(rp->lnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
756         }
757
758         if (sigcaught == 0) {
759                 strcpy(roomname, rp->rlname);
760
761                 if (rmname != NULL) {
762                         if (cur_rmslot == findrmslot) {
763                                 strcpy(rmname, roomname);
764                         }
765                 }
766                 if (rmslot != NULL) {
767                         if (!strcmp(roomname, findrmname)) {
768                                 *rmslot = cur_rmslot;
769                         }
770                 }
771                 cur_rmslot++;
772         }
773
774         if (rp->rnext != NULL) {
775                 room_tree_list_query(rp->rnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
776         }
777
778         if ((rmname == NULL) && (rmslot == NULL))
779                 free(rp);
780
781         if (rmtotal != NULL) {
782                 *rmtotal = cur_rmslot;
783         }
784 }
785
786 /*
787  * step through rooms on current floor
788  */
789 void  gotoroomstep(CtdlIPC *ipc, int direction, int mode)
790 {
791         struct march *listing = NULL;
792         struct march *mptr;
793         int r;          /* IPC response code */
794         char buf[SIZ];
795         struct ctdlroomlisting *rl = NULL;
796         struct ctdlroomlisting *rp;
797         struct ctdlroomlisting *rs;
798         int list_it;
799         char rmname[ROOMNAMELEN];
800         int rmslot = 0;
801         int rmtotal;
802
803         /* Ask the server for a room list */
804         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, (-1), &listing, buf);
805         if (r / 100 != 1) {
806                 listing = NULL;
807         }
808
809         load_floorlist(ipc);
810
811         for (mptr = listing; mptr != NULL; mptr = mptr->next) {
812                 list_it = 1;
813
814                 if ( floor_mode 
815                          && (mptr->march_floor != curr_floor))
816                         list_it = 0;
817
818                 if (list_it) {
819                         rp = malloc(sizeof(struct ctdlroomlisting));
820                         strncpy(rp->rlname, mptr->march_name, ROOMNAMELEN);
821                         rp->rlflags = mptr->march_flags;
822                         rp->rlfloor = mptr->march_floor;
823                         rp->rlorder = mptr->march_order;
824                         rp->lnext = NULL;
825                         rp->rnext = NULL;
826
827                         rs = rl;
828                         if (rl == NULL) {
829                                 rl = rp;
830                         } else {
831                                 while (rp != NULL) {
832                                         if (rordercmp(rp, rs) < 0) {
833                                                 if (rs->lnext == NULL) {
834                                                         rs->lnext = rp;
835                                                         rp = NULL;
836                                                 } else {
837                                                         rs = rs->lnext;
838                                                 }
839                                         } else {
840                                                 if (rs->rnext == NULL) {
841                                                         rs->rnext = rp;
842                                                         rp = NULL;
843                                                 } else {
844                                                         rs = rs->rnext;
845                                                 }
846                                         }
847                                 }
848                         }
849                 }
850         }
851
852         /* Find position of current room */
853         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
854         room_tree_list_query(rl,  room_name, 0, NULL, &rmslot, &rmtotal);
855
856         if (direction == 0) { /* Previous room */
857                 /* If we're at the first room, wrap to the last room */
858                 if (rmslot == 0) {
859                         rmslot = rmtotal - 1;
860                 } else {
861                         rmslot--;
862                 }
863         } else {                 /* Next room */
864                 /* If we're at the last room, wrap to the first room */
865                 if (rmslot == rmtotal - 1) {
866                         rmslot = 0; 
867                 } else {
868                         rmslot++;
869                 }
870         }
871
872         /* Get name of next/previous room */
873         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
874         room_tree_list_query(rl,  NULL, rmslot, rmname, NULL, NULL);
875
876         /* Free the tree */
877         room_tree_list_query(rl, NULL, 0, NULL, NULL, NULL);
878
879         if (mode == 0) { /* not skipping */
880             updatels(ipc);
881         } else {
882                 if (rc_alt_semantics) {
883                 updatelsa(ipc);
884                 }
885         }
886
887         /* Free the room list */
888         while (listing) {
889                 mptr = listing->next;
890                 free(listing);
891                 listing = mptr;
892         };
893
894         dotgoto(ipc, rmname, 1, 0);
895 }
896
897
898 /*
899  * step through floors on system
900  */
901 void  gotofloorstep(CtdlIPC *ipc, int direction, int mode)
902 {
903         int  tofloor;
904
905         if (floorlist[0][0] == 0)
906                 load_floorlist(ipc);
907
908         empty_keep_going:
909
910         if (direction == 0) { /* Previous floor */
911                 if (curr_floor) tofloor = curr_floor - 1;
912                 else tofloor = 127;
913
914                 while (!floorlist[tofloor][0]) tofloor--;
915         } else {                   /* Next floor */
916                 if (curr_floor < 127) tofloor = curr_floor + 1;
917                 else tofloor = 0;
918
919                 while (!floorlist[tofloor][0] && tofloor < 127) tofloor++;
920                 if (!floorlist[tofloor][0])     tofloor = 0;
921         }
922         /* ;g works when not in floor mode so . . . */
923         if (!floor_mode) {
924                 scr_printf("(%s)\n", floorlist[tofloor] );
925         }
926
927         gotofloor(ipc, floorlist[tofloor], mode);
928         if (curr_floor != tofloor) { /* gotofloor failed */
929              curr_floor = tofloor;
930              goto empty_keep_going;
931         }            
932 }
933
934 /* 
935  * Display user 'preferences'.
936  */
937 extern int rc_prompt_control;
938 void read_config(CtdlIPC *ipc)
939 {
940         char buf[SIZ];
941         char *resp = NULL;
942         int r;                  /* IPC response code */
943     char _fullname[USERNAME_SIZE];
944         long _usernum;
945         int _axlevel, _timescalled, _posted;
946         time_t _lastcall;
947         struct ctdluser *user = NULL;
948
949         /* get misc user info */   
950         r = CtdlIPCGetBio(ipc, fullname, &resp, buf);
951         if (r / 100 != 1) {
952                 scr_printf("%s\n", buf);
953                 return;
954         }
955         extract_token(_fullname, buf, 1, '|', sizeof fullname);
956         _usernum = extract_long(buf, 2);
957         _axlevel = extract_int(buf, 3);
958         _lastcall = extract_long(buf, 4);
959     _timescalled = extract_int(buf, 5);
960         _posted = extract_int(buf, 6);
961         free(resp);
962         resp = NULL;
963    
964         /* get preferences */
965         r = CtdlIPCGetConfig(ipc, &user, buf);
966         if (r / 100 != 2) {
967                 scr_printf("%s\n", buf);
968                 free(user);
969                 return;
970         }
971
972         /* show misc user info */
973         scr_printf("%s\nAccess level: %d (%s)\n"
974                    "User #%ld / %d Calls / %d Posts",
975                    _fullname, _axlevel, axdefs[(int) _axlevel],
976                    _usernum, _timescalled, _posted);
977         if (_lastcall > 0L) {
978                 scr_printf(" / Curr login: %s",
979                            asctime(localtime(&_lastcall)));
980         }
981         scr_printf("\n");
982
983         /* show preferences */
984         scr_printf("Are you an experienced Citadel user: ");                   color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXPERT) ? "Yes" : "No");     color(DIM_WHITE);
985         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);
986         scr_printf("Prompt after each message: ");                             color(BRIGHT_CYAN); scr_printf("%s\n", (!(user->flags & US_NOPROMPT))? "Yes" : "No"); color(DIM_WHITE);
987         if ((user->flags & US_NOPROMPT) == 0) {
988         scr_printf("Use 'disappearing' prompts: ");                        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_DISAPPEAR)? "Yes" : "No");   color(DIM_WHITE);
989         }
990         scr_printf("Pause after each screenful of text: ");                    color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PAGINATOR)? "Yes" : "No");   color(DIM_WHITE);
991     if (rc_prompt_control == 3 && (user->flags & US_PAGINATOR)) {
992         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);
993         }
994     if (rc_floor_mode == RC_DEFAULT) {
995         scr_printf("View rooms by floor: ");                               color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_FLOORS)? "Yes" : "No");          color(DIM_WHITE);
996         }
997         if (rc_ansi_color == 3) {
998             scr_printf("Enable color support: ");                              color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_COLOR)? "Yes" : "No");       color(DIM_WHITE);
999         }
1000         scr_printf("Be unlisted in userlog: ");                                color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_UNLISTED)? "Yes" : "No");    color(DIM_WHITE);
1001         if (!IsEmptyStr(editor_paths[0])) {
1002         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);
1003         }
1004         free(user);
1005 }
1006
1007 /*
1008  * Display system statistics.
1009  */
1010 void system_info(CtdlIPC *ipc)
1011 {
1012         char buf[SIZ];
1013         char *resp = NULL;
1014         size_t bytes;
1015         int mrtg_users, mrtg_active_users; 
1016         char mrtg_server_uptime[40];
1017         long mrtg_himessage;
1018         int ret;                        /* IPC response code */
1019
1020         /* get #users, #active & server uptime */
1021         ret = CtdlIPCGenericCommand(ipc, "MRTG|users", NULL, 0, &resp, &bytes, buf);
1022         mrtg_users = extract_int(resp, 0);
1023         remove_token(resp, 0, '\n');
1024         mrtg_active_users = extract_int(resp, 0);
1025         remove_token(resp, 0, '\n');
1026         extract_token(mrtg_server_uptime, resp, 0, '\n', sizeof mrtg_server_uptime);
1027         free(resp);
1028         resp = NULL;
1029
1030         /* get high message# */
1031         ret = CtdlIPCGenericCommand(ipc, "MRTG|messages", NULL, 0, &resp, &bytes, buf);
1032         mrtg_himessage = extract_long(resp, 0);
1033         free(resp);
1034         resp = NULL;
1035
1036         /* refresh server info just in case */
1037         CtdlIPCServerInfo(ipc, buf);
1038
1039         scr_printf("You are connected to %s (%s) @%s\n", ipc->ServInfo.nodename, ipc->ServInfo.humannode, ipc->ServInfo.fqdn);
1040         scr_printf("running %s with text client v%.2f,\n", ipc->ServInfo.software, (float)REV_LEVEL/100);
1041         scr_printf("server build %s,\n", ipc->ServInfo.svn_revision, (float)REV_LEVEL/100);
1042     scr_printf("and located in %s.\n", ipc->ServInfo.site_location);
1043     scr_printf("Connected users %d / Active users %d / Highest message #%ld\n", mrtg_users, mrtg_active_users, mrtg_himessage);
1044     scr_printf("Server uptime: %s\n", mrtg_server_uptime);
1045     scr_printf("Your system administrator is %s.\n", ipc->ServInfo.sysadm);
1046     scr_printf("Copyright (C)1987-2009 by the Citadel development team\n");
1047 }
1048
1049 /*
1050  * forget all rooms on current floor
1051  */
1052 void forget_this_floor(CtdlIPC *ipc)
1053 {
1054         if (curr_floor == 0) {
1055                 scr_printf("Can't forget this floor.\n");
1056                 return;
1057         }
1058         if (floorlist[0][0] == 0) {
1059                 load_floorlist(ipc);
1060         }
1061         scr_printf("Are you sure you want to forget all rooms on %s? ",
1062                &floorlist[(int) curr_floor][0]);
1063         if (yesno() == 0) {
1064                 return;
1065         }
1066
1067         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
1068 }
1069
1070
1071 /* 
1072  * Figure out the physical screen dimensions, if we can
1073  * WARNING:  this is now called from a signal handler!
1074  */
1075 void check_screen_dims(void)
1076 {
1077 #ifdef TIOCGWINSZ
1078         struct {
1079                 unsigned short height;  /* rows */
1080                 unsigned short width;   /* columns */
1081                 unsigned short xpixels;
1082                 unsigned short ypixels;         /* pixels */
1083         } xwinsz;
1084
1085         if (have_xterm) {       /* dynamically size screen if on an xterm */
1086                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
1087                         if (xwinsz.height)
1088                                 screenheight = (int) xwinsz.height;
1089                         if (xwinsz.width)
1090                                 screenwidth = (int) xwinsz.width;
1091                 }
1092         }
1093 #endif
1094 }
1095
1096
1097 /*
1098  * set floor mode depending on client, server, and user settings
1099  */
1100 void set_floor_mode(CtdlIPC* ipc)
1101 {
1102         if (ipc->ServInfo.ok_floors == 0) {
1103                 floor_mode = 0; /* Don't use floors if the server */
1104         }
1105         /* doesn't support them!          */
1106         else {
1107                 if (rc_floor_mode == RC_NO) {   /* never use floors */
1108                         floor_mode = 0;
1109                 }
1110                 if (rc_floor_mode == RC_YES) {  /* always use floors */
1111                         floor_mode = 1;
1112                 }
1113                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
1114                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
1115                 }
1116         }
1117 }
1118
1119 /*
1120  * Set or change the user's password
1121  */
1122 int set_password(CtdlIPC *ipc)
1123 {
1124         char pass1[20];
1125         char pass2[20];
1126         char buf[SIZ];
1127
1128         if (!IsEmptyStr(rc_password)) {
1129                 strcpy(pass1, rc_password);
1130                 strcpy(pass2, rc_password);
1131         } else {
1132                 IFNEXPERT formout(ipc, "changepw");
1133                 newprompt("Enter a new password: ", pass1, -19);
1134                 newprompt("Enter it again to confirm: ", pass2, -19);
1135         }
1136         strproc(pass1);
1137         strproc(pass2);
1138         if (!strcasecmp(pass1, pass2)) {
1139                 CtdlIPCChangePassword(ipc, pass1, buf);
1140                 scr_printf("%s\n", buf);
1141                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
1142                 return (0);
1143         } else {
1144                 scr_printf("*** They don't match... try again.\n");
1145                 return (1);
1146         }
1147 }
1148
1149
1150
1151 /*
1152  * get info about the server we've connected to
1153  */
1154 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
1155 {
1156         char buf[SIZ];
1157
1158         CtdlIPCServerInfo(ipc, buf);
1159         moreprompt = ipc->ServInfo.moreprompt;
1160
1161         /* be nice and identify ourself to the server */
1162         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
1163                  (ipc->isLocal ? "local" : CITADEL),
1164                  (supplied_hostname) ? supplied_hostname : 
1165                  /* Look up the , in the bible if you're confused */
1166                  (locate_host(ipc, buf), buf), buf);
1167
1168         /* Indicate to the server that we prefer to decode Base64 and
1169          * quoted-printable on the client side.
1170          */
1171         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "dont_decode") / 100 ) != 2) {
1172                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1173                 logoff(ipc, 0);
1174         }
1175
1176         /*
1177          * Tell the server what our preferred content formats are.
1178          *
1179          * Originally we preferred HTML over plain text because we can format
1180          * it to the reader's screen width, but since our HTML-to-text parser
1181          * isn't really all that great, it's probably better to just go with
1182          * the plain text when we have it available.
1183          */
1184         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/plain|text/html") / 100 ) != 2) {
1185                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1186                 logoff(ipc, 0);
1187         }
1188 }
1189
1190
1191
1192 /*
1193  * Record compare function for SortOnlineUsers()
1194  */
1195 int idlecmp(const void *rec1, const void *rec2) {
1196         time_t i1, i2;
1197
1198         i1 = extract_long(rec1, 5);
1199         i2 = extract_long(rec2, 5);
1200
1201         if (i1 < i2) return(1);
1202         if (i1 > i2) return(-1);
1203         return(0);
1204 }
1205
1206
1207 /*
1208  * Sort the list of online users by idle time.
1209  * This function frees the supplied buffer, and returns a new one
1210  * to the caller.  The caller is responsible for freeing the returned buffer.
1211  */
1212 char *SortOnlineUsers(char *listing) {
1213         int rows;
1214         char *sortbuf;
1215         char *retbuf;
1216         char buf[SIZ];
1217         int i;
1218
1219         rows = num_tokens(listing, '\n');
1220         sortbuf = malloc(rows * SIZ);
1221         if (sortbuf == NULL) return(listing);
1222         retbuf = malloc(rows * SIZ);
1223         if (retbuf == NULL) {
1224                 free(sortbuf);
1225                 return(listing);
1226         }
1227
1228         /* Copy the list into a fixed-record-size array for sorting */
1229         for (i=0; i<rows; ++i) {
1230                 memset(buf, 0, SIZ);
1231                 extract_token(buf, listing, i, '\n', sizeof buf);
1232                 memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
1233         }
1234
1235         /* Do the sort */
1236         qsort(sortbuf, rows, SIZ, idlecmp);
1237
1238         /* Copy back to a \n delimited list */
1239         strcpy(retbuf, "");
1240         for (i=0; i<rows; ++i) {
1241                 strcat(retbuf, &sortbuf[i*SIZ]);
1242                 if (i<(rows-1)) strcat(retbuf, "\n");
1243         }
1244     free(listing);
1245     free(sortbuf);
1246         return(retbuf);
1247 }
1248
1249
1250
1251 /*
1252  * Display list of users currently logged on to the server
1253  */
1254 void who_is_online(CtdlIPC *ipc, int longlist)
1255 {
1256         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
1257         char flags[SIZ];
1258         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
1259         char clientsoft[SIZ];
1260         time_t timenow = 0;
1261         time_t idletime, idlehours, idlemins, idlesecs;
1262         int last_session = (-1);
1263         int skipidle = 0;
1264         char *listing = NULL;
1265         int r;                          /* IPC response code */
1266     
1267         if (longlist == 2) {
1268                 longlist = 0;
1269                 skipidle = 1;
1270         }
1271
1272         if (!longlist) {
1273                 color(BRIGHT_WHITE);
1274                 scr_printf("           User Name               Room          ");
1275                 if (screenwidth >= 80) scr_printf(" Idle        From host");
1276                 scr_printf("\n");
1277                 color(DIM_WHITE);
1278                 scr_printf("   ------------------------- --------------------");
1279                 if (screenwidth >= 80) scr_printf(" ---- ------------------------");
1280                 scr_printf("\n");
1281         }
1282         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
1283         listing = SortOnlineUsers(listing);
1284         if (r / 100 == 1) {
1285                 while (!IsEmptyStr(listing)) {
1286                         int isidle = 0;
1287                         
1288                         /* Get another line */
1289                         extract_token(buf, listing, 0, '\n', sizeof buf);
1290                         remove_token(listing, 0, '\n');
1291
1292                         extract_token(username, buf, 1, '|', sizeof username);
1293                         extract_token(roomname, buf, 2, '|', sizeof roomname);
1294                         extract_token(fromhost, buf, 3, '|', sizeof fromhost);
1295                         extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
1296                         extract_token(flags, buf, 7, '|', sizeof flags);
1297
1298                         idletime = timenow - extract_long(buf, 5);
1299                         idlehours = idletime / 3600;
1300                         idlemins = (idletime - (idlehours * 3600)) / 60;
1301                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
1302
1303                         if (idletime > rc_idle_threshold) {
1304                                 if (skipidle) {
1305                                         isidle = 1;
1306                                 }
1307                         }
1308
1309                         if (longlist) {
1310                                 extract_token(actual_user, buf, 8, '|', sizeof actual_user);
1311                                 extract_token(actual_room, buf, 9, '|', sizeof actual_room);
1312                                 extract_token(actual_host, buf, 10, '|', sizeof actual_host);
1313
1314                                 scr_printf("  Flags: %s\n", flags);
1315                                 scr_printf("Session: %d\n", extract_int(buf, 0));
1316                                 scr_printf("   Name: %s\n", username);
1317                                 scr_printf("In room: %s\n", roomname);
1318                                 scr_printf("   Host: %s\n", fromhost);
1319                                 scr_printf(" Client: %s\n", clientsoft);
1320                                 scr_printf("   Idle: %ld:%02ld:%02ld\n",
1321                                         (long) idlehours,
1322                                         (long) idlemins,
1323                                         (long) idlesecs);
1324
1325                                 if ( (!IsEmptyStr(actual_user)&&
1326                                       !IsEmptyStr(actual_room)&&
1327                                       !IsEmptyStr(actual_host))) {
1328                                         scr_printf("(really ");
1329                                         if (!IsEmptyStr(actual_user)) scr_printf("<%s> ", actual_user);
1330                                         if (!IsEmptyStr(actual_room)) scr_printf("in <%s> ", actual_room);
1331                                         if (!IsEmptyStr(actual_host)) scr_printf("from <%s> ", actual_host);
1332                                         scr_printf(")\n");
1333                                 }
1334                                 scr_printf("\n");
1335
1336                         } else {
1337                                 if (isidle == 0) {
1338                                         if (extract_int(buf, 0) == last_session) {
1339                                                 scr_printf("        ");
1340                                         }
1341                                         else {
1342                                                 color(BRIGHT_MAGENTA);
1343                                                 scr_printf("%-3s", flags);
1344                                         }
1345                                         last_session = extract_int(buf, 0);
1346                                         color(BRIGHT_CYAN);
1347                                         scr_printf("%-25s ", username);
1348                                         color(BRIGHT_MAGENTA);
1349                                         roomname[20] = 0;
1350                                         scr_printf("%-20s", roomname);
1351
1352                                         if (screenwidth >= 80) {
1353                                                 scr_printf(" ");
1354                                                 if (idletime > rc_idle_threshold) {
1355                                                         /* over 1000d, must be gone fishing */
1356                                                         if (idlehours > 23999) {
1357                                                                 scr_printf("fish");
1358                                                         /* over 10 days */
1359                                                         } else if (idlehours > 239) {
1360                                                                 scr_printf("%3ldd", idlehours / 24);
1361                                                         /* over 10 hours */
1362                                                         } else if (idlehours > 9) {
1363                                                                 scr_printf("%1ldd%02ld",
1364                                                                         idlehours / 24,
1365                                                                         idlehours % 24);
1366                                                         /* less than 10 hours */
1367                                                         }
1368                                                         else {
1369                                                                 scr_printf("%1ld:%02ld", idlehours, idlemins);
1370                                                         }
1371                                                 }
1372                                                 else {
1373                                                         scr_printf("    ");
1374                                                 }
1375                                                 scr_printf(" ");
1376                                                 color(BRIGHT_CYAN);
1377                                                 fromhost[24] = '\0';
1378                                                 scr_printf("%-24s", fromhost);
1379                                         }
1380                                         scr_printf("\n");
1381                                         color(DIM_WHITE);
1382                                 }
1383                         }
1384                 }
1385         }
1386         free(listing);
1387 }
1388
1389 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
1390 {
1391         char bbb[128];
1392         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
1393         newprompt(bbb, buf, maxlen);
1394 }
1395
1396
1397
1398 int shift(int argc, char **argv, int start, int count) {
1399         int i;
1400
1401         for (i=start; i<(argc-count); ++i) {
1402                 argv[i] = argv[i+count];
1403         }
1404         argc = argc - count;
1405         return argc;
1406 }
1407
1408 static void statusHook(char *s) {
1409         scr_printf(s);
1410         scr_flush();
1411 }
1412
1413 /*
1414  * main
1415  */
1416 int main(int argc, char **argv)
1417 {
1418         int a, b, mcmd;
1419         char aaa[100], bbb[100];/* general purpose variables */
1420         char argbuf[64];        /* command line buf */
1421         char nonce[NONCE_SIZE];
1422         char *telnet_client_host = NULL;
1423         char *sptr, *sptr2;     /* USed to extract the nonce */
1424         char hexstring[MD5_HEXSTRING_SIZE];
1425         int stored_password = 0;
1426         char password[SIZ];
1427         struct ctdlipcmisc chek;
1428         struct ctdluser *myself = NULL;
1429         CtdlIPC* ipc;                   /* Our server connection */
1430         int r;                          /* IPC result code */
1431         int rv = 0;                     /* fetch but ignore syscall return value to suppress warnings */
1432
1433         int relh=0;
1434         int home=0;
1435         char relhome[PATH_MAX]="";
1436         char ctdldir[PATH_MAX]=CTDLDIR;
1437     int lp; 
1438 #ifdef HAVE_BACKTRACE
1439         eCrashParameters params;
1440 //      eCrashSymbolTable symbol_table;
1441 #endif
1442         calc_dirs_n_files(relh, home, relhome, ctdldir, 0);
1443
1444 #ifdef HAVE_BACKTRACE
1445         bzero(&params, sizeof(params));
1446         params.filename = file_pid_paniclog;
1447 //      panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
1448         params.filep = fopen(file_pid_paniclog, "a+");
1449         params.debugLevel = ECRASH_DEBUG_VERBOSE;
1450         params.dumpAllThreads = TRUE;
1451         params.useBacktraceSymbols = 1;
1452 ///     BuildSymbolTable(&symbol_table);
1453 //      params.symbolTable = &symbol_table;
1454         params.signals[0]=SIGSEGV;
1455         params.signals[1]=SIGILL;
1456         params.signals[2]=SIGBUS;
1457         params.signals[3]=SIGABRT;
1458
1459         eCrash_Init(&params);
1460 #endif  
1461         setIPCErrorPrintf(scr_printf);
1462         setCryptoStatusHook(statusHook);
1463         
1464         /* Permissions sanity check - don't run citadel setuid/setgid */
1465         if (getuid() != geteuid()) {
1466                 scr_printf("Please do not run citadel setuid!\n");
1467                 logoff(NULL, 3);
1468         } else if (getgid() != getegid()) {
1469                 scr_printf("Please do not run citadel setgid!\n");
1470                 logoff(NULL, 3);
1471         }
1472
1473         stty_ctdl(SB_SAVE);     /* Store the old terminal parameters */
1474         load_command_set();     /* parse the citadel.rc file */
1475         stty_ctdl(SB_NO_INTR);  /* Install the new ones */
1476         /* signal(SIGHUP, dropcarr);FIXME */    /* Cleanup gracefully if carrier is dropped */
1477         signal(SIGPIPE, dropcarr);      /* Cleanup gracefully if local conn. dropped */
1478         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
1479         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1480 #ifdef SIGWINCH
1481         signal(SIGWINCH, scr_winch);    /* Window resize signal */
1482 #endif
1483
1484 #ifdef HAVE_OPENSSL
1485         arg_encrypt = RC_DEFAULT;
1486 #endif
1487
1488         /* 
1489          * Handle command line options as if we were called like /bin/login
1490          * (i.e. from in.telnetd)
1491          */
1492         for (a=0; a<argc; ++a) {
1493                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1494                         telnet_client_host = argv[a+1];
1495                         argc = shift(argc, argv, a, 2);
1496                 }
1497                 if (!strcmp(argv[a], "-x")) {
1498 #ifdef HAVE_OPENSSL
1499                         arg_encrypt = RC_NO;
1500 #endif
1501                         argc = shift(argc, argv, a, 1);
1502                 }
1503                 if (!strcmp(argv[a], "-X")) {
1504 #ifdef HAVE_OPENSSL
1505                         arg_encrypt = RC_YES;
1506                         argc = shift(argc, argv, a, 1);
1507 #else
1508                         fprintf(stderr, "Not compiled with encryption support");
1509                         return 1;
1510 #endif
1511                 }
1512                 if (!strcmp(argv[a], "-p")) {
1513                         struct stat st;
1514                 
1515                         if (chdir(CTDLDIR) < 0) {
1516                                 perror("can't change to " CTDLDIR);
1517                                 logoff(NULL, 3);
1518                         }
1519
1520                         /*
1521                          * Drop privileges if necessary. We stat
1522                          * citadel.config to get the uid/gid since it's
1523                          * guaranteed to have the uid/gid we want.
1524                          */
1525                         if (!getuid() || !getgid()) {
1526                                 if (stat(file_citadel_config, &st) < 0) {
1527                                         perror("couldn't stat citadel.config");
1528                                         logoff(NULL, 3);
1529                                 }
1530                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1531                                         perror("couldn't change gid");
1532                                         logoff(NULL, 3);
1533                                 }
1534                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1535                                         perror("couldn't change uid");
1536                                         logoff(NULL, 3);
1537                                 }
1538                                 /*
1539                                   scr_printf("Privileges changed to uid %d gid %d\n",
1540                                   getuid(), getgid());
1541                                 */
1542                         }
1543                         argc = shift(argc, argv, a, 1);
1544                 }
1545         }
1546         
1547
1548         screen_new();
1549
1550 #ifdef __CYGWIN__
1551         newprompt("Connect to (return for local server): ", hostbuf, 64);
1552 #endif
1553
1554         scr_printf("Attaching to server...\n");
1555         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1556         if (!ipc) {
1557                 error_printf("Can't connect: %s\n", strerror(errno));
1558                 logoff(NULL, 3);
1559         }
1560
1561         CtdlIPC_SetNetworkStatusCallback(ipc, scr_wait_indicator);
1562
1563         if (!(ipc->isLocal)) {
1564                 scr_printf("Connected to %s [%s].\n", ipc->ip_hostname, ipc->ip_address);
1565         }
1566
1567         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1568
1569         CtdlIPC_chat_recv(ipc, aaa);
1570         if (aaa[0] != '2') {
1571                 scr_printf("%s\n", &aaa[4]);
1572                 logoff(ipc, atoi(aaa));
1573         }
1574
1575         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1576          * is zeroized.
1577          */
1578         
1579         if ((sptr = strchr(aaa, '<')) == NULL)
1580                 {
1581                         nonce[0] = '\0';
1582                 }
1583         else
1584                 {
1585                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1586                                 {
1587                                         nonce[0] = '\0';
1588                                 }
1589                         else
1590                                 {
1591                                         sptr2++;
1592                                         *sptr2 = '\0';
1593                                         strncpy(nonce, sptr, (size_t)NONCE_SIZE);
1594                                 }
1595                 }
1596
1597 #ifdef HAVE_OPENSSL
1598         /* Evaluate encryption preferences */
1599         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1600                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1601                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1602                         if (!secure)
1603                                 error_printf("Can't encrypt: %s\n", aaa);
1604                 }
1605         }
1606 #endif
1607
1608         get_serv_info(ipc, telnet_client_host);
1609         scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
1610                    ipc->ServInfo.site_location);
1611         scr_flush();
1612
1613         screenwidth = 80;       /* default screen dimensions */
1614         screenheight = 24;
1615         
1616         scr_printf(" pause    next    stop\n");
1617         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1618         formout(ipc, "hello");  /* print the opening greeting */
1619         scr_printf("\n");
1620
1621  GSTA:  /* See if we have a username and password on disk */
1622         if (rc_remember_passwords) {
1623                 get_stored_password(hostbuf, portbuf, fullname, password);
1624                 if (!IsEmptyStr(fullname)) {
1625                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1626                         if (r / 100 == 3) {
1627                                 if (*nonce) {
1628                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1629                                 } else {
1630                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1631                                 }
1632                         }
1633
1634                         if (r / 100 == 2) {
1635                                 load_user_info(aaa);
1636                                 stored_password = 1;
1637                                 goto PWOK;
1638                         } else {
1639                                 set_stored_password(hostbuf, portbuf, "", "");
1640                         }
1641                 }
1642         }
1643
1644         termn8 = 0;
1645         newnow = 0;
1646         do {
1647                 if (!IsEmptyStr(rc_username)) {
1648                         strcpy(fullname, rc_username);
1649                 } else {
1650                         newprompt("Enter your name: ", fullname, 29);
1651                 }
1652                 strproc(fullname);
1653                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1654                         scr_printf("Please enter the name you wish to log in with.\n");
1655                 }
1656         } while (
1657                  (!strcasecmp(fullname, "bbs"))
1658                  || (!strcasecmp(fullname, "new"))
1659                  || (IsEmptyStr(fullname)));
1660
1661         if (!strcasecmp(fullname, "off")) {
1662                 mcmd = 29;
1663                 goto TERMN8;
1664         }
1665
1666         /* FIXME this is a stupid way to do guest mode but it's a reasonable test harness FIXME */
1667         if ( (ipc->ServInfo.guest_logins) && (!strcasecmp(fullname, "guest")) ) {
1668                 goto PWOK;
1669         }
1670
1671         /* sign on to the server */
1672         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1673         if (r / 100 != 3)
1674                 goto NEWUSR;
1675
1676         /* password authentication */
1677         if (!IsEmptyStr(rc_password)) {
1678                 strcpy(password, rc_password);
1679         } else {
1680                 newprompt("\rPlease enter your password: ", password, -19);
1681         }
1682
1683         if (*nonce) {
1684                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1685                 if (r / 100 != 2) {
1686                         strproc(password);
1687                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1688                 }
1689         } else {
1690                 r = CtdlIPCTryPassword(ipc, password, aaa);
1691                 if (r / 100 != 2) {
1692                         strproc(password);
1693                         r = CtdlIPCTryPassword(ipc, password, aaa);
1694                 }
1695         }
1696         
1697         if (r / 100 == 2) {
1698                 load_user_info(aaa);
1699                 offer_to_remember_password(ipc, hostbuf, portbuf,
1700                                            fullname, password);
1701                 goto PWOK;
1702         }
1703         scr_printf("<< wrong password >>\n");
1704         if (!IsEmptyStr(rc_password))
1705                 logoff(ipc, 2);
1706         goto GSTA;
1707
1708 NEWUSR: if (IsEmptyStr(rc_password)) {
1709                 scr_printf("'%s' not found.\n", fullname);
1710                 scr_printf("Type 'off' if you would like to exit.\n");
1711                 if (ipc->ServInfo.newuser_disabled == 1) {
1712                         goto GSTA;
1713                 }
1714                 scr_printf("Do you want to create a new user account called '%s'? ",
1715                         fullname);
1716                 if (yesno() == 0) {
1717                         goto GSTA;
1718                 }
1719         }
1720
1721         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1722         if (r / 100 != 2) {
1723                 scr_printf("%s\n", aaa);
1724                 goto GSTA;
1725         }
1726         load_user_info(aaa);
1727
1728         while (set_password(ipc) != 0);
1729         newnow = 1;
1730
1731         enter_config(ipc, 1);
1732
1733  PWOK:
1734         /* Switch color support on or off if we're in user mode */
1735         if (rc_ansi_color == 3) {
1736                 if (userflags & US_COLOR)
1737                         enable_color = 1;
1738                 else
1739                         enable_color = 0;
1740         }
1741
1742         color(BRIGHT_WHITE);
1743         scr_printf("\n%s\nAccess level: %d (%s)\n"
1744                    "User #%ld / Login #%d",
1745                    fullname, axlevel, axdefs[(int) axlevel],
1746                    usernum, timescalled);
1747         if (lastcall > 0L) {
1748                 scr_printf(" / Last login: %s",
1749                            asctime(localtime(&lastcall)));
1750         }
1751         scr_printf("\n");
1752
1753         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1754         if (r / 100 == 2) {
1755                 b = chek.newmail;
1756                 if (b > 0) {
1757                         color(BRIGHT_RED);
1758                         if (b == 1)
1759                                 scr_printf("*** You have a new private message in Mail>\n");
1760                         if (b > 1)
1761                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1762                         color(DIM_WHITE);
1763                         if (!IsEmptyStr(rc_gotmail_cmd)) {
1764                                 rv = system(rc_gotmail_cmd);
1765                         }
1766                 }
1767                 if ((axlevel >= AxAideU) && (chek.needvalid > 0)) {
1768                         scr_printf("*** Users need validation\n");
1769                 }
1770                 if (chek.needregis > 0) {
1771                         scr_printf("*** Please register.\n");
1772                         formout(ipc, "register");
1773                         entregis(ipc);
1774                 }
1775         }
1776         /* Make up some temporary filenames for use in various parts of the
1777          * program.  Don't mess with these once they've been set, because we
1778          * will be unlinking them later on in the program and we don't
1779          * want to delete something that we didn't create. */
1780         CtdlMakeTempFileName(temp, sizeof temp);
1781         CtdlMakeTempFileName(temp2, sizeof temp2);
1782         CtdlMakeTempFileName(tempdir, sizeof tempdir);
1783
1784         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1785          * we try to get the user's actual screen dimensions off the server.
1786          * However, if we're running on an xterm, all this stuff is
1787          * irrelevant because we're going to dynamically size the screen
1788          * during the session.
1789          */
1790         screenwidth = 80;
1791         screenheight = 24;
1792         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1793         if (getenv("TERM") != NULL)
1794                 if (!strcmp(getenv("TERM"), "xterm")) {
1795                         have_xterm = 1;
1796                 }
1797         check_screen_dims();
1798
1799         set_floor_mode(ipc);
1800
1801         /* Enter the lobby */
1802         dotgoto(ipc, "_BASEROOM_", 1, 0);
1803
1804         /* Main loop for the system... user is logged in. */
1805     free(uglist[0]);
1806         uglistsize = 0;
1807
1808         if (newnow == 1)
1809                 readmsgs(ipc, LastMessages, ReadForward, 5);
1810         else
1811                 readmsgs(ipc, NewMessages, ReadForward, 0);
1812
1813         /* MAIN COMMAND LOOP */
1814         do {
1815                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1816
1817 #ifdef TIOCGWINSZ
1818                 check_screen_dims();            /* if xterm, get screen size */
1819 #endif
1820
1821                 if (termn8 == 0)
1822                         switch (mcmd) {
1823                         case 1:
1824                                 formout(ipc, "help");
1825                                 break;
1826                         case 4:
1827                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1828                                 break;
1829                         case 36:
1830                                 entmsg(ipc, 0, 1, 0);
1831                                 break;
1832                         case 46:
1833                                 entmsg(ipc, 0, 2, 0);
1834                                 break;
1835                         case 78:
1836                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 1);
1837                                 break;
1838                         case 5:                         /* <G>oto */
1839                                 updatels(ipc);
1840                                 gotonext(ipc);
1841                                 break;
1842                         case 47:                        /* <A>bandon */
1843                                 if (!rc_alt_semantics) {
1844                                         updatelsa(ipc);
1845                                 }
1846                                 gotonext(ipc);
1847                                 break;
1848                         case 90:                        /* <.A>bandon */
1849                                 if (!rc_alt_semantics)
1850                                         updatelsa(ipc);
1851                                 dotgoto(ipc, argbuf, 0, 0);
1852                                 break;
1853                         case 58:                        /* <M>ail */
1854                                 updatelsa(ipc);
1855                                 dotgoto(ipc, "_MAIL_", 1, 0);
1856                                 break;
1857                         case 20:
1858                                 if (!IsEmptyStr(argbuf)) {
1859                                         updatels(ipc);
1860                                         dotgoto(ipc, argbuf, 0, 0);
1861                                 }
1862                                 break;
1863                         case 52:
1864                                 if (!IsEmptyStr(argbuf)) {
1865                                         if (rc_alt_semantics) {
1866                                                 updatelsa(ipc);
1867                                         }
1868                                         dotgoto(ipc, argbuf, 0, 0);
1869                                 }
1870                                 break;
1871                         case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
1872                                 dotungoto(ipc, argbuf);
1873                                 break;
1874                         case 10:
1875                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1876                                 break;
1877                         case 9:
1878                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1879                                 break;
1880                         case 13:
1881                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1882                                 break;
1883                         case 11:
1884                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1885                                 break;
1886                         case 12:
1887                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1888                                 break;
1889                         case 71:
1890                                 readmsgs(ipc, LastMessages, ReadForward,
1891                                                 atoi(argbuf));
1892                                 break;
1893                         case 7:
1894                                 forget(ipc);
1895                                 break;
1896                         case 18:
1897                                 subshell();
1898                                 break;
1899                         case 38:
1900                                 updatels(ipc);
1901                                 entroom(ipc);
1902                                 break;
1903                         case 22:
1904                                 killroom(ipc);
1905                                 break;
1906                         case 32:
1907                                 userlist(ipc, argbuf);
1908                                 break;
1909                         case 27:
1910                                 invite(ipc);
1911                                 break;
1912                         case 28:
1913                                 kickout(ipc);
1914                                 break;
1915                         case 23:
1916                                 editthisroom(ipc);
1917                                 break;
1918                         case 14:
1919                                 roomdir(ipc);
1920                                 break;
1921                         case 33:
1922                                 download(ipc, 0);
1923                                 break;
1924                         case 34:
1925                                 download(ipc, 1);
1926                                 break;
1927                         case 31:
1928                                 download(ipc, 2);
1929                                 break;
1930                         case 43:
1931                                 download(ipc, 3);
1932                                 break;
1933                         case 45:
1934                                 download(ipc, 4);
1935                                 break;
1936                         case 55:
1937                                 download(ipc, 5);
1938                                 break;
1939                         case 39:
1940                                 upload(ipc, 0);
1941                                 break;
1942                         case 40:
1943                                 upload(ipc, 1);
1944                                 break;
1945                         case 42:
1946                                 upload(ipc, 2);
1947                                 break;
1948                         case 44:
1949                                 upload(ipc, 3);
1950                                 break;
1951                         case 57:
1952                                 cli_upload(ipc);
1953                                 break;
1954                         case 16:
1955                                 ungoto(ipc);
1956                                 break;
1957                         case 24:
1958                                 whoknows(ipc);
1959                                 break;
1960                         case 26:
1961                                 validate(ipc);
1962                                 break;
1963                         case 29:
1964                         case 30:
1965                                 if (!rc_alt_semantics) {
1966                                         updatels(ipc);
1967                                 }
1968                                 termn8 = 1;
1969                                 break;
1970                         case 48:
1971                                 enterinfo(ipc);
1972                                 break;
1973                         case 49:
1974                                 readinfo(ipc);
1975                                 break;
1976                         case 72:
1977                                 cli_image_upload(ipc, "_userpic_");
1978                                 break;
1979                         case 73:
1980                                 cli_image_upload(ipc, "_roompic_");
1981                                 break;
1982
1983                         case 74:
1984                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1985                                 cli_image_upload(ipc, aaa);
1986                                 break;
1987
1988                         case 75:
1989                                 enternew(ipc, "roomname", aaa, 20);
1990                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1991                                 if (r / 100 != 2)
1992                                         scr_printf("\n%s\n", bbb);
1993                                 break;
1994                         case 76:
1995                                 enternew(ipc, "hostname", aaa, 25);
1996                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1997                                 if (r / 100 != 2)
1998                                         scr_printf("\n%s\n", bbb);
1999                                 break;
2000                         case 77:
2001                                 enternew(ipc, "username", aaa, 32);
2002                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
2003                                 if (r / 100 != 2)
2004                                         scr_printf("\n%s\n", bbb);
2005                                 break;
2006
2007                         case 35:
2008                                 set_password(ipc);
2009                                 break;
2010
2011                         case 21:
2012                                 if (argbuf[0] == 0)
2013                                         strcpy(aaa, "?");
2014                                 display_help(ipc, argbuf);
2015                                 break;
2016
2017                         case 41:
2018                                 formout(ipc, "register");
2019                                 entregis(ipc);
2020                                 break;
2021
2022                         case 15:
2023                                 scr_printf("Are you sure (y/n)? ");
2024                                 if (yesno() == 1) {
2025                                         if (!rc_alt_semantics)
2026                                                 updatels(ipc);
2027                                         a = 0;
2028                                         termn8 = 1;
2029                                 }
2030                                 break;
2031
2032                         case 85:
2033                                 scr_printf("All users will be disconnected!  "
2034                                            "Really terminate the server? ");
2035                                 if (yesno() == 1) {
2036                                         if (!rc_alt_semantics)
2037                                                 updatels(ipc);
2038                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
2039                                         scr_printf("%s\n", aaa);
2040                                         if (r / 100 == 2) {
2041                                                 a = 0;
2042                                                 termn8 = 1;
2043                                         }
2044                                 }
2045                                 break;
2046
2047                         case 86:
2048                                 scr_printf("Do you really want to schedule a "
2049                                            "server shutdown? ");
2050                                 if (yesno() == 1) {
2051                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
2052                                         if (r / 100 == 2) {
2053                                                 if (atoi(aaa)) {
2054                                                         scr_printf(
2055                                                                    "The Citadel server will terminate when all users are logged off.\n"
2056                                                                    );
2057                                                 } else {
2058                                                         scr_printf(
2059                                                                    "The Citadel server will not terminate.\n"
2060                                                                    );
2061                                                 }
2062                                         }
2063                                 }
2064                                 break;
2065
2066                         case 87:
2067                                 network_config_management(ipc, "listrecp",
2068                                                           "Message-by-message mailing list recipients");
2069                                 break;
2070
2071                         case 94:
2072                                 network_config_management(ipc, "digestrecp",
2073                                                           "Digest mailing list recipients");
2074                                 break;
2075
2076                         case 89:
2077                                 network_config_management(ipc, "ignet_push_share",
2078                                                           "Nodes with which we share this room");
2079                                 break;
2080
2081                         case 88:
2082                                 do_ignet_configuration(ipc);
2083                                 break;
2084
2085                         case 92:
2086                                 do_filterlist_configuration(ipc);
2087                                 break;
2088
2089                         case 6:
2090                                 if (rc_alt_semantics) {
2091                                         updatelsa(ipc);
2092                                 }
2093                                 gotonext(ipc);
2094                                 break;
2095
2096                         case 3:
2097                                 chatmode(ipc);
2098                                 break;
2099
2100                         case 17:
2101                                 who_is_online(ipc, 0);
2102                                 break;
2103
2104                         case 79:
2105                                 who_is_online(ipc, 1);
2106                                 break;
2107
2108                         case 91:
2109                                 who_is_online(ipc, 2);
2110                                 break;
2111                 
2112                         case 80:
2113                                 do_system_configuration(ipc);
2114                                 break;
2115
2116                         case 82:
2117                                 do_internet_configuration(ipc);
2118                                 break;
2119
2120                         case 83:
2121                                 check_message_base(ipc);
2122                                 break;
2123
2124                         case 84:
2125                                 quiet_mode(ipc);
2126                                 break;
2127
2128                         case 93:
2129                                 stealth_mode(ipc);
2130                                 break;
2131
2132                         case 50:
2133                                 enter_config(ipc, 2);
2134                                 break;
2135
2136                         case 37:
2137                                 enter_config(ipc, 0);
2138                                 set_floor_mode(ipc);
2139                                 break;
2140
2141                         case 59:
2142                                 enter_config(ipc, 3);
2143                                 set_floor_mode(ipc);
2144                                 break;
2145
2146                         case 60:
2147                                 gotofloor(ipc, argbuf, GF_GOTO);
2148                                 break;
2149
2150                         case 61:
2151                                 gotofloor(ipc, argbuf, GF_SKIP);
2152                                 break;
2153
2154                         case 62:
2155                                 forget_this_floor(ipc);
2156                                 break;
2157
2158                         case 63:
2159                                 create_floor(ipc);
2160                                 break;
2161
2162                         case 64:
2163                                 edit_floor(ipc);
2164                                 break;
2165
2166                         case 65:
2167                                 kill_floor(ipc);
2168                                 break;
2169
2170                         case 66:
2171                                 enter_bio(ipc);
2172                                 break;
2173
2174                         case 67:
2175                                 read_bio(ipc);
2176                                 break;
2177
2178                         case 25:
2179                                 edituser(ipc, 25);
2180                                 break;
2181
2182                         case 96:
2183                                 edituser(ipc, 96);
2184                                 break;
2185
2186                         case 8:
2187                                 knrooms(ipc, floor_mode);
2188                                 scr_printf("\n");
2189                                 break;
2190
2191                         case 68:
2192                                 knrooms(ipc, 2);
2193                                 scr_printf("\n");
2194                                 break;
2195
2196                         case 69:
2197                                 misc_server_cmd(ipc, argbuf);
2198                                 break;
2199
2200                         case 70:
2201                                 edit_system_message(ipc, argbuf);
2202                                 break;
2203
2204                         case 19:
2205                                 listzrooms(ipc);
2206                                 scr_printf("\n");
2207                                 break;
2208
2209                         case 51:
2210                                 deletefile(ipc);
2211                                 break;
2212
2213                         case 54:
2214                                 movefile(ipc);
2215                                 break;
2216
2217                         case 56:
2218                                 page_user(ipc);
2219                                 break;
2220
2221             case 110:           /* <+> Next room */
2222                                  gotoroomstep(ipc, 1, 0);
2223                              break;
2224
2225             case 111:           /* <-> Previous room */
2226                  gotoroomstep(ipc, 0, 0);
2227                              break;
2228
2229                         case 112:           /* <>> Next floor */
2230                  gotofloorstep(ipc, 1, GF_GOTO);
2231                              break;
2232
2233                         case 113:           /* <<> Previous floor */
2234                  gotofloorstep(ipc, 0, GF_GOTO);
2235                                  break;
2236
2237             case 116:           /* <.> skip to <+> Next room */
2238                  gotoroomstep(ipc, 1, 1);
2239                              break;
2240
2241             case 117:           /* <.> skip to <-> Previous room */
2242                  gotoroomstep(ipc, 0, 1);
2243                              break;
2244
2245                         case 118:           /* <.> skip to <>> Next floor */
2246                  gotofloorstep(ipc, 1, GF_SKIP);
2247                              break;
2248
2249                         case 119:           /* <.> skip to <<> Previous floor */
2250                  gotofloorstep(ipc, 0, GF_SKIP);
2251                                  break;
2252
2253                         case 114:           
2254                  read_config(ipc);
2255                                  break;
2256
2257                         case 115:           
2258                  system_info(ipc);
2259                                  break;
2260
2261                         case 120:           /* .KAnonymous */
2262                          dotknown(ipc, 0, NULL);
2263                                  break;
2264
2265                         case 121:           /* .KDirectory */
2266                          dotknown(ipc, 1, NULL);
2267                                  break;
2268
2269                         case 122:           /* .KMatch */
2270                          dotknown(ipc, 2, argbuf);
2271                                  break;
2272
2273                         case 123:           /* .KpreferredOnly */
2274                          dotknown(ipc, 3, NULL);
2275                                  break;
2276
2277                         case 124:           /* .KPrivate */
2278                          dotknown(ipc, 4, NULL);
2279                                  break;
2280
2281                         case 125:           /* .KRead only */
2282                          dotknown(ipc, 5, NULL);
2283                                  break;
2284
2285                         case 126:           /* .KShared */
2286                          dotknown(ipc, 6, NULL);
2287                                  break;
2288
2289                         case 127:           /* Configure POP3 aggregation */
2290                                 do_pop3client_configuration(ipc);
2291                                 break;
2292
2293                         case 128:           /* Configure XML/RSS feed retrieval */
2294                                 do_rssclient_configuration(ipc);
2295                                 break;
2296
2297                         default: /* allow some math on the command */
2298                                 /* commands 100... to 100+MAX_EDITORS-1 will
2299                                    call the appropriate editor... in other
2300                                    words, command numbers 100+ will match
2301                                    the citadel.rc keys editor0, editor1, etc.*/
2302                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
2303                                 {
2304                                         /* entmsg mode >=2 select editor */
2305                                         entmsg(ipc, 0, mcmd - 100 + 2, 0);
2306                                         break;
2307                                 }
2308                         }       /* end switch */
2309         } while (termn8 == 0);
2310
2311 TERMN8: scr_printf("%s logged out.", fullname);
2312         termn8 = 0;
2313         color(ORIGINAL_PAIR);
2314         scr_printf("\n");
2315         while (marchptr != NULL) {
2316                 remove_march(marchptr->march_name, 0);
2317         }
2318         if (mcmd == 30) {
2319                 scr_printf("\n\nType 'off' to disconnect, or next user...\n");
2320         }
2321         CtdlIPCLogout(ipc);
2322         if ((mcmd == 29) || (mcmd == 15)) {
2323                 stty_ctdl(SB_RESTORE);
2324                 formout(ipc, "goodbye");
2325                 logoff(ipc, 0);
2326         }
2327         /* Free the ungoto list */
2328         for (lp = 0; lp < uglistsize; lp++) {
2329                 free(uglist[lp]);
2330         }
2331     uglistsize = 0;
2332         goto GSTA;
2333
2334 }       /* end main() */
2335