Fix compiler warnings in the textclient by evaluating returnvalues and removing unuse...
[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  * here is our 'clean up gracefully and exit' routine
132  */
133 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
134 {
135         int lp;
136
137         if (editor_pid > 0) {   /* kill the editor if it's running */
138                 kill(editor_pid, SIGHUP);
139         }
140
141         /* Free the ungoto list */
142         for (lp = 0; lp < uglistsize; lp++) {
143                 free(uglist[lp]);
144         }
145
146 /* Shut down the server connection ... but not if the logoff code is 3,
147  * because that means we're exiting because we already lost the server.
148  */
149         if (code != 3) {
150                 CtdlIPCQuit(ipc);
151         }
152
153 /*
154  * now clean up various things
155  */
156         unlink(temp);
157         unlink(temp2);
158         nukedir(tempdir);
159
160         /* Violently kill off any child processes if Citadel is
161          * the login shell. 
162          */
163         if (getppid() == 1) {
164                 kill(0 - getpgrp(), SIGTERM);
165                 sleep(1);
166                 kill(0 - getpgrp(), SIGKILL);
167         }
168         color(ORIGINAL_PAIR);   /* Restore the old color settings */
169         stty_ctdl(SB_RESTORE);  /* return the old terminal settings */
170         /* 
171          * uncomment the following if you need to know why Citadel exited
172         printf("*** Exit code %d at %s:%d\n", code, file, line);
173         sleep(2);
174          */
175         exit(code);             /* exit with the proper exit code */
176 }
177
178
179
180 /*
181  * signal catching function for hangups...
182  */
183 void dropcarr(int signum)
184 {
185         logoff(NULL, 3);        /* No IPC when server's already gone! */
186 }
187
188
189
190 /*
191  * catch SIGCONT to reset terminal modes when were are put back into the
192  * foreground.
193  */
194 void catch_sigcont(int signum)
195 {
196         stty_ctdl(SB_LAST);
197         signal(SIGCONT, catch_sigcont);
198 }
199
200
201 /* general purpose routines */
202
203 /* display a file */
204 void formout(CtdlIPC *ipc, char *name)
205 {
206         int r;                  /* IPC return code */
207         char buf[SIZ];
208         char *text = NULL;
209
210         r = CtdlIPCSystemMessage(ipc, name, &text, buf);
211         if (r / 100 != 1) {
212                 scr_printf("%s\n", buf);
213                 return;
214         }
215         if (text) {
216                 fmout(screenwidth, NULL, text, NULL, 1);
217                 free(text);
218         }
219 }
220
221
222 void userlist(CtdlIPC *ipc, char *patn)
223 {
224         char buf[SIZ];
225         char fl[SIZ];
226         struct tm tmbuf;
227         time_t lc;
228         int r;                          /* IPC response code */
229         char *listing = NULL;
230
231         r = CtdlIPCUserListing(ipc, patn, &listing, buf);
232         if (r / 100 != 1) {
233                 scr_printf("%s\n", buf);
234                 return;
235         }
236
237         scr_printf("       User Name           Num  L Last Visit Logins Messages\n");
238         scr_printf("------------------------- ----- - ---------- ------ --------\n");
239         if (listing != NULL) while (!IsEmptyStr(listing)) {
240                 extract_token(buf, listing, 0, '\n', sizeof buf);
241                 remove_token(listing, 0, '\n');
242
243                 if (sigcaught == 0) {
244                     extract_token(fl, buf, 0, '|', sizeof fl);
245                     if (pattern(fl, patn) >= 0) {
246                         scr_printf("%-25s ", fl);
247                         scr_printf("%5ld %d ", extract_long(buf, 2),
248                                extract_int(buf, 1));
249                         lc = extract_long(buf, 3);
250                         localtime_r(&lc, &tmbuf);
251                         scr_printf("%02d/%02d/%04d ",
252                                (tmbuf.tm_mon + 1),
253                                tmbuf.tm_mday,
254                                (tmbuf.tm_year + 1900));
255                         scr_printf("%6ld %8ld\n", extract_long(buf, 4), extract_long(buf, 5));
256                     }
257
258                 }
259         }
260         free(listing);
261         scr_printf("\n");
262 }
263
264
265 /*
266  * grab assorted info about the user...
267  */
268 void load_user_info(char *params)
269 {
270         extract_token(fullname, params, 0, '|', sizeof fullname);
271         axlevel = extract_int(params, 1);
272         timescalled = extract_int(params, 2);
273         posted = extract_int(params, 3);
274         userflags = extract_int(params, 4);
275         usernum = extract_long(params, 5);
276         lastcall = extract_long(params, 6);
277 }
278
279
280 /*
281  * Remove a room from the march list.  'floornum' is ignored unless
282  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
283  * floor will be removed from the march list.
284  */
285 void remove_march(char *roomname, int floornum)
286 {
287         struct march *mptr, *mptr2;
288
289         if (marchptr == NULL)
290                 return;
291
292         if ((!strcasecmp(marchptr->march_name, roomname))
293             || ((!strcasecmp(roomname, "_FLOOR_")) && (marchptr->march_floor == floornum))) {
294                 mptr = marchptr->next;
295                 free(marchptr);
296                 marchptr = mptr;
297                 return;
298         }
299         mptr2 = marchptr;
300         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
301
302                 if ((!strcasecmp(mptr->march_name, roomname))
303                     || ((!strcasecmp(roomname, "_FLOOR_"))
304                         && (mptr->march_floor == floornum))) {
305
306                         mptr2->next = mptr->next;
307                         free(mptr);
308                         mptr = mptr2;
309                 } else {
310                         mptr2 = mptr;
311                 }
312         }
313 }
314
315
316 /*
317  * Locate the room on the march list which we most want to go to.  Each room
318  * is measured given a "weight" of preference based on various factors.
319  */
320 char *pop_march(int desired_floor, struct march *_march)
321 {
322         static char TheRoom[ROOMNAMELEN];
323         int TheWeight = 0;
324         int weight;
325         struct march *mptr = NULL;
326
327         strcpy(TheRoom, "_BASEROOM_");
328         if (_march == NULL)
329                 return (TheRoom);
330
331         for (mptr = _march; mptr != NULL; mptr = mptr->next) {
332                 weight = 0;
333                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
334                         weight = weight + 10000;
335                 if (mptr->march_floor == desired_floor)
336                         weight = weight + 5000;
337
338                 weight = weight + ((128 - (mptr->march_floor)) * 128);
339                 weight = weight + (128 - (mptr->march_order));
340
341                 if (weight > TheWeight) {
342                         TheWeight = weight;
343                         strcpy(TheRoom, mptr->march_name);
344                 }
345         }
346         return (TheRoom);
347 }
348
349
350 /*
351  * jump directly to a room
352  */
353 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
354 {
355         char aaa[SIZ], bbb[SIZ];
356         static long ls = 0L;
357         int newmailcount = 0;
358         int partial_match, best_match;
359         char from_floor;
360         int ugpos = uglistsize;
361         int r;                          /* IPC result code */
362         struct ctdlipcroom *room = NULL;
363         int rv = 0;
364
365         /* store ungoto information */
366         if (fromungoto == 0) {
367                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
368                 if (uglistsize >= (UGLISTLEN-1)) {
369                         int lp;
370                         free (uglist[0]);
371                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
372                                 uglist[lp] = uglist[lp+1];
373                                 uglistlsn[lp] = uglistlsn[lp+1];
374                         }
375                         ugpos--;
376                 } else {
377                         uglistsize++;
378                 }
379         
380                 uglist[ugpos] = malloc(strlen(room_name)+1);
381                 strcpy(uglist[ugpos], room_name);
382                 uglistlsn[ugpos] = ls;
383         }
384       
385         /* first try an exact match */
386         r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
387         if (r / 10 == 54) {
388                 newprompt("Enter room password: ", bbb, 9);
389                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
390                 if (r / 10 == 54) {
391                         scr_printf("Wrong password.\n");
392                         return;
393                 }
394         }       
395
396         /*
397          * If a match is not found, try a partial match.
398          * Partial matches anywhere in the string carry a weight of 1,
399          * left-aligned matches carry a weight of 2.  Pick the room that
400          * has the highest-weighted match.  Do not match on forgotten
401          * rooms.
402          */
403         if (r / 100 != 2) {
404                 struct march *march = NULL;
405
406                 best_match = 0;
407                 strcpy(bbb, "");
408
409                 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
410                 if (r / 100 == 1) {
411                         /* Run the roomlist; free the data as we go */
412                         struct march *mp = march;       /* Current */
413
414                         while (mp) {
415                                 partial_match = 0;
416                                 if (pattern(mp->march_name, towhere) >= 0) {
417                                         partial_match = 1;
418                                 }
419                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
420                                         partial_match = 2;
421                                 }
422                                 if (partial_match > best_match) {
423                                         strcpy(bbb, mp->march_name);
424                                         best_match = partial_match;
425                                 }
426                                 /* Both pointers are NULL at end of list */
427                                 march = mp->next;
428                                 free(mp);
429                                 mp = march;
430                         }
431                 }
432
433                 if (IsEmptyStr(bbb)) {
434                         scr_printf("No room '%s'.\n", towhere);
435                         return;
436                 }
437                 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
438         }
439         if (r / 100 != 1 && r / 100 != 2) {
440                 scr_printf("%s\n", aaa);
441                 return;
442         }
443         safestrncpy(room_name, room->RRname, ROOMNAMELEN);
444         room_flags = room->RRflags;
445         room_flags2 = room->RRflags2;
446         from_floor = curr_floor;
447         curr_floor = room->RRfloor;
448
449         /* Determine, based on the room's default view, whether an <E>nter message
450          * command will be valid here.
451          */
452         switch(room->RRdefaultview) {
453                 case VIEW_BBS:
454                 case VIEW_MAILBOX:
455                 case VIEW_BLOG:
456                                         entmsg_ok = 1;
457                                         break;
458                 default:
459                                         entmsg_ok = 0;
460                                         break;
461         }
462
463         remove_march(room_name, 0);
464         if (!strcasecmp(towhere, "_BASEROOM_"))
465                 remove_march(towhere, 0);
466         if (!room->RRunread)
467                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
468         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
469                 if (floorlist[(int) curr_floor][0] == 0)
470                         load_floorlist(ipc);
471                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
472         }
473         if (display_name == 1) {
474                 color(BRIGHT_WHITE);
475                 scr_printf("%s ", room_name);
476                 color(DIM_WHITE);
477                 scr_printf("- ");
478         }
479         if (display_name != 2) {
480                 color(BRIGHT_YELLOW);
481                 scr_printf("%d ", room->RRunread);
482                 color(DIM_WHITE);
483                 scr_printf("new of ");
484                 color(BRIGHT_YELLOW);
485                 scr_printf("%d ", room->RRtotal);
486                 color(DIM_WHITE);
487                 scr_printf("messages.\n");
488         }
489         highest_msg_read = room->RRlastread;
490         maxmsgnum = room->RRhighest;
491         is_mail = room->RRismailbox;
492         is_room_aide = room->RRaide;
493         ls = room->RRlastread;
494
495         /* read info file if necessary */
496         if (room->RRinfoupdated > 0)
497                 readinfo(ipc);
498
499         /* check for newly arrived mail if we can */
500         newmailcount = room->RRnewmail;
501         if (newmailcount > 0) {
502                 color(BRIGHT_RED);
503                 if (newmailcount == 1) {
504                         scr_printf("*** A new mail message has arrived.\n");
505                 }
506                 else {
507                         scr_printf("*** %d new mail messages have arrived.\n",
508                                         newmailcount);
509                 }
510                 color(DIM_WHITE);
511                 if (!IsEmptyStr(rc_gotmail_cmd)) {
512                         rv = system(rc_gotmail_cmd);
513                         if (rv) 
514                                 scr_printf("*** failed to check for mail calling %s Reason %d.\n",
515                                            rc_gotmail_cmd, rv);
516                 }
517         }
518         free(room);
519
520         if (screenwidth>5) snprintf(&status_line[1], screenwidth-1, "%s  |  %s  |  %s  |  %s  |  %d new mail  |",
521                 (secure ? "Encrypted" : "Unencrypted"),
522                 ipc->ServInfo.humannode,
523                 ipc->ServInfo.site_location,
524                 room_name,
525                 newmailcount
526         );
527 }
528
529 /* Goto next room having unread messages.
530  * We want to skip over rooms that the user has already been to, and take the
531  * user back to the lobby when done.  The room we end up in is placed in
532  * newroom - which is set to 0 (the lobby) initially.
533  */
534 void gotonext(CtdlIPC *ipc)
535 {
536         char buf[SIZ];
537         struct march *mptr, *mptr2;
538         char next_room[ROOMNAMELEN];
539
540         /* Check to see if the march-mode list is already allocated.
541          * If it is, pop the first room off the list and go there.
542          */
543         if (marchptr == NULL) {
544                 CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
545                                   AllFloors, &marchptr, buf);
546
547 /* add _BASEROOM_ to the end of the march list, so the user will end up
548  * in the system base room (usually the Lobby>) at the end of the loop
549  */
550                 mptr = (struct march *) malloc(sizeof(struct march));
551                 mptr->next = NULL;
552                 mptr->march_order = 0;
553                 mptr->march_floor = 0;
554                 strcpy(mptr->march_name, "_BASEROOM_");
555                 if (marchptr == NULL) {
556                         marchptr = mptr;
557                 } else {
558                         mptr2 = marchptr;
559                         while (mptr2->next != NULL)
560                                 mptr2 = mptr2->next;
561                         mptr2->next = mptr;
562                 }
563 /*
564  * ...and remove the room we're currently in, so a <G>oto doesn't make us
565  * walk around in circles
566  */
567                 remove_march(room_name, 0);
568         }
569         if (marchptr != NULL) {
570                 strcpy(next_room, pop_march(curr_floor, marchptr));
571         } else {
572                 strcpy(next_room, "_BASEROOM_");
573         }
574         remove_march(next_room, 0);
575         dotgoto(ipc, next_room, 1, 0);
576 }
577
578 /*
579  * forget all rooms on a given floor
580  */
581 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
582 {
583         char buf[SIZ];
584         struct march *flist = NULL;
585         struct march *fptr = NULL;
586         struct ctdlipcroom *room = NULL;
587         int r;                          /* IPC response code */
588
589         scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
590         remove_march("_FLOOR_", ffloor);
591         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
592         if (r / 100 != 1) {
593                 scr_printf("Error %d: %s\n", r, buf);
594                 return;
595         }
596         while (flist) {
597                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
598                 if (r / 100 == 2) {
599                         r = CtdlIPCForgetRoom(ipc, buf);
600                         if (r / 100 != 2) {
601                                 scr_printf("Error %d: %s\n", r, buf);
602                         }
603
604                 }
605                 fptr = flist;
606                 flist = flist->next;
607                 free(fptr);
608         }
609         if (room) free(room);
610 }
611
612
613 /*
614  * routine called by gotofloor() to move to a new room on a new floor
615  */
616 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
617 {
618         int floor_being_left;
619
620         floor_being_left = curr_floor;
621
622         if (mode == GF_GOTO) {          /* <;G>oto mode */
623                 updatels(ipc);
624                 dotgoto(ipc, towhere, 1, 0);
625         }
626         else if (mode == GF_SKIP) {     /* <;S>kip mode */
627                 dotgoto(ipc, towhere, 1, 0);
628                 remove_march("_FLOOR_", floor_being_left);
629         }
630         else if (mode == GF_ZAP) {      /* <;Z>ap mode */
631                 dotgoto(ipc, towhere, 1, 0);
632                 remove_march("_FLOOR_", floor_being_left);
633                 forget_all_rooms_on(ipc, floor_being_left);
634         }
635 }
636
637
638 /*
639  * go to a new floor
640  */
641 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
642 {
643         int a, tofloor;
644         int r;          /* IPC response code */
645         struct march *mptr;
646         char buf[SIZ], targ[SIZ];
647
648         if (floorlist[0][0] == 0)
649                 load_floorlist(ipc);
650         tofloor = (-1);
651         for (a = 0; a < 128; ++a)
652                 if (!strcasecmp(&floorlist[a][0], towhere))
653                         tofloor = a;
654
655         if (tofloor < 0) {
656                 for (a = 0; a < 128; ++a) {
657                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
658                                 tofloor = a;
659                         }
660                 }
661         }
662         if (tofloor < 0) {
663                 for (a = 0; a < 128; ++a)
664                         if (pattern(towhere, &floorlist[a][0]) > 0)
665                                 tofloor = a;
666         }
667         if (tofloor < 0) {
668                 scr_printf("No floor '%s'.\n", towhere);
669                 return;
670         }
671         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
672                 if ((mptr->march_floor) == tofloor) {
673                         gf_toroom(ipc, mptr->march_name, mode);
674                         return;
675                 }
676         }
677
678         /* Find first known room on the floor */
679
680         strcpy(targ, "");
681         mptr = NULL;
682         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
683         if (r / 100 == 1) {
684                 struct march *tmp = mptr;
685
686                 /*. . . according to room order */
687                 if (mptr)
688             strcpy(targ, pop_march(tofloor, mptr));
689                 while (mptr) {
690                         tmp = mptr->next;
691                         free(mptr);
692                         mptr = tmp;
693                 }
694         }
695         if (!IsEmptyStr(targ)) {
696                 gf_toroom(ipc, targ, mode);
697                 return;
698         }
699
700         /* No known rooms on the floor; unzap the first one then */
701
702         strcpy(targ, "");
703         mptr = NULL;
704         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
705         if (r / 100 == 1) {
706                 struct march *tmp = mptr;
707                 
708         /*. . . according to room order */
709                 if (mptr)
710                         strcpy(targ, pop_march(tofloor, mptr));
711                 while (mptr) {
712                         tmp = mptr->next;
713                         free(mptr);
714                         mptr = tmp;
715                 }
716         }
717         if (!IsEmptyStr(targ)) {
718                 gf_toroom(ipc, targ, mode);
719         } else {
720                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
721         }
722 }
723
724 /*
725  * Indexing mechanism for a room list, called by gotoroomstep()
726  */
727 void room_tree_list_query(struct ctdlroomlisting *rp, char *findrmname, int findrmslot, char *rmname, int *rmslot, int *rmtotal)
728 {
729         char roomname[ROOMNAMELEN];
730         static int cur_rmslot = 0;
731
732         if (rp == NULL) {
733                 cur_rmslot = 0;
734                 return;
735         }
736
737         if (rp->lnext != NULL) {
738                 room_tree_list_query(rp->lnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
739         }
740
741         if (sigcaught == 0) {
742                 strcpy(roomname, rp->rlname);
743
744                 if (rmname != NULL) {
745                         if (cur_rmslot == findrmslot) {
746                                 strcpy(rmname, roomname);
747                         }
748                 }
749                 if (rmslot != NULL) {
750                         if (!strcmp(roomname, findrmname)) {
751                                 *rmslot = cur_rmslot;
752                         }
753                 }
754                 cur_rmslot++;
755         }
756
757         if (rp->rnext != NULL) {
758                 room_tree_list_query(rp->rnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
759         }
760
761         if ((rmname == NULL) && (rmslot == NULL))
762                 free(rp);
763
764         if (rmtotal != NULL) {
765                 *rmtotal = cur_rmslot;
766         }
767 }
768
769 /*
770  * step through rooms on current floor
771  */
772 void  gotoroomstep(CtdlIPC *ipc, int direction, int mode)
773 {
774         struct march *listing = NULL;
775         struct march *mptr;
776         int r;          /* IPC response code */
777         char buf[SIZ];
778         struct ctdlroomlisting *rl = NULL;
779         struct ctdlroomlisting *rp;
780         struct ctdlroomlisting *rs;
781         int list_it;
782         char rmname[ROOMNAMELEN];
783         int rmslot = 0;
784         int rmtotal;
785
786         /* Ask the server for a room list */
787         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, (-1), &listing, buf);
788         if (r / 100 != 1) {
789                 listing = NULL;
790         }
791
792         load_floorlist(ipc);
793
794         for (mptr = listing; mptr != NULL; mptr = mptr->next) {
795                 list_it = 1;
796
797                 if ( floor_mode 
798                          && (mptr->march_floor != curr_floor))
799                         list_it = 0;
800
801                 if (list_it) {
802                         rp = malloc(sizeof(struct ctdlroomlisting));
803                         strncpy(rp->rlname, mptr->march_name, ROOMNAMELEN);
804                         rp->rlflags = mptr->march_flags;
805                         rp->rlfloor = mptr->march_floor;
806                         rp->rlorder = mptr->march_order;
807                         rp->lnext = NULL;
808                         rp->rnext = NULL;
809
810                         rs = rl;
811                         if (rl == NULL) {
812                                 rl = rp;
813                         } else {
814                                 while (rp != NULL) {
815                                         if (rordercmp(rp, rs) < 0) {
816                                                 if (rs->lnext == NULL) {
817                                                         rs->lnext = rp;
818                                                         rp = NULL;
819                                                 } else {
820                                                         rs = rs->lnext;
821                                                 }
822                                         } else {
823                                                 if (rs->rnext == NULL) {
824                                                         rs->rnext = rp;
825                                                         rp = NULL;
826                                                 } else {
827                                                         rs = rs->rnext;
828                                                 }
829                                         }
830                                 }
831                         }
832                 }
833         }
834
835         /* Find position of current room */
836         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
837         room_tree_list_query(rl,  room_name, 0, NULL, &rmslot, &rmtotal);
838
839         if (direction == 0) { /* Previous room */
840                 /* If we're at the first room, wrap to the last room */
841                 if (rmslot == 0) {
842                         rmslot = rmtotal - 1;
843                 } else {
844                         rmslot--;
845                 }
846         } else {                 /* Next room */
847                 /* If we're at the last room, wrap to the first room */
848                 if (rmslot == rmtotal - 1) {
849                         rmslot = 0; 
850                 } else {
851                         rmslot++;
852                 }
853         }
854
855         /* Get name of next/previous room */
856         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
857         room_tree_list_query(rl,  NULL, rmslot, rmname, NULL, NULL);
858
859         /* Free the tree */
860         room_tree_list_query(rl, NULL, 0, NULL, NULL, NULL);
861
862         if (mode == 0) { /* not skipping */
863             updatels(ipc);
864         } else {
865                 if (rc_alt_semantics) {
866                 updatelsa(ipc);
867                 }
868         }
869
870         /* Free the room list */
871         while (listing) {
872                 mptr = listing->next;
873                 free(listing);
874                 listing = mptr;
875         };
876
877         dotgoto(ipc, rmname, 1, 0);
878 }
879
880
881 /*
882  * step through floors on system
883  */
884 void  gotofloorstep(CtdlIPC *ipc, int direction, int mode)
885 {
886         int  tofloor;
887
888         if (floorlist[0][0] == 0)
889                 load_floorlist(ipc);
890
891         empty_keep_going:
892
893         if (direction == 0) { /* Previous floor */
894                 if (curr_floor) tofloor = curr_floor - 1;
895                 else tofloor = 127;
896
897                 while (!floorlist[tofloor][0]) tofloor--;
898         } else {                   /* Next floor */
899                 if (curr_floor < 127) tofloor = curr_floor + 1;
900                 else tofloor = 0;
901
902                 while (!floorlist[tofloor][0] && tofloor < 127) tofloor++;
903                 if (!floorlist[tofloor][0])     tofloor = 0;
904         }
905         /* ;g works when not in floor mode so . . . */
906         if (!floor_mode) {
907                 scr_printf("(%s)\n", floorlist[tofloor] );
908         }
909
910         gotofloor(ipc, floorlist[tofloor], mode);
911         if (curr_floor != tofloor) { /* gotofloor failed */
912              curr_floor = tofloor;
913              goto empty_keep_going;
914         }            
915 }
916
917 /* 
918  * Display user 'preferences'.
919  */
920 extern int rc_prompt_control;
921 void read_config(CtdlIPC *ipc)
922 {
923         char buf[SIZ];
924         char *resp = NULL;
925         int r;                  /* IPC response code */
926     char _fullname[USERNAME_SIZE];
927         long _usernum;
928         int _axlevel, _timescalled, _posted;
929         time_t _lastcall;
930         struct ctdluser *user = NULL;
931
932         /* get misc user info */   
933         r = CtdlIPCGetBio(ipc, fullname, &resp, buf);
934         if (r / 100 != 1) {
935                 scr_printf("%s\n", buf);
936                 return;
937         }
938         extract_token(_fullname, buf, 1, '|', sizeof fullname);
939         _usernum = extract_long(buf, 2);
940         _axlevel = extract_int(buf, 3);
941         _lastcall = extract_long(buf, 4);
942     _timescalled = extract_int(buf, 5);
943         _posted = extract_int(buf, 6);
944         free(resp);
945         resp = NULL;
946    
947         /* get preferences */
948         r = CtdlIPCGetConfig(ipc, &user, buf);
949         if (r / 100 != 2) {
950                 scr_printf("%s\n", buf);
951                 free(user);
952                 return;
953         }
954
955         /* show misc user info */
956         scr_printf("%s\nAccess level: %d (%s)\n"
957                    "User #%ld / %d Calls / %d Posts",
958                    _fullname, _axlevel, axdefs[(int) _axlevel],
959                    _usernum, _timescalled, _posted);
960         if (_lastcall > 0L) {
961                 scr_printf(" / Curr login: %s",
962                            asctime(localtime(&_lastcall)));
963         }
964         scr_printf("\n");
965
966         /* show preferences */
967         scr_printf("Are you an experienced Citadel user: ");                   color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXPERT) ? "Yes" : "No");     color(DIM_WHITE);
968         scr_printf("Print last old message on New message request: ");         color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_LASTOLD)? "Yes" : "No");     color(DIM_WHITE);
969         scr_printf("Prompt after each message: ");                             color(BRIGHT_CYAN); scr_printf("%s\n", (!(user->flags & US_NOPROMPT))? "Yes" : "No"); color(DIM_WHITE);
970         if ((user->flags & US_NOPROMPT) == 0) {
971         scr_printf("Use 'disappearing' prompts: ");                        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_DISAPPEAR)? "Yes" : "No");   color(DIM_WHITE);
972         }
973         scr_printf("Pause after each screenful of text: ");                    color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PAGINATOR)? "Yes" : "No");   color(DIM_WHITE);
974     if (rc_prompt_control == 3 && (user->flags & US_PAGINATOR)) {
975         scr_printf("<N>ext and <S>top work at paginator prompt: ");        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PROMPTCTL)? "Yes" : "No");   color(DIM_WHITE);
976         }
977     if (rc_floor_mode == RC_DEFAULT) {
978         scr_printf("View rooms by floor: ");                               color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_FLOORS)? "Yes" : "No");          color(DIM_WHITE);
979         }
980         if (rc_ansi_color == 3) {
981             scr_printf("Enable color support: ");                              color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_COLOR)? "Yes" : "No");       color(DIM_WHITE);
982         }
983         scr_printf("Be unlisted in userlog: ");                                color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_UNLISTED)? "Yes" : "No");    color(DIM_WHITE);
984         if (!IsEmptyStr(editor_paths[0])) {
985         scr_printf("Always enter messages with the full-screen editor: "); color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXTEDIT)? "Yes" : "No");     color(DIM_WHITE);
986         }
987         free(user);
988 }
989
990 /*
991  * Display system statistics.
992  */
993 void system_info(CtdlIPC *ipc)
994 {
995         char buf[SIZ];
996         char *resp = NULL;
997         size_t bytes;
998         int mrtg_users, mrtg_active_users; 
999         char mrtg_server_uptime[40];
1000         long mrtg_himessage;
1001
1002         /* get #users, #active & server uptime */
1003         CtdlIPCGenericCommand(ipc, "MRTG|users", NULL, 0, &resp, &bytes, buf);
1004         mrtg_users = extract_int(resp, 0);
1005         remove_token(resp, 0, '\n');
1006         mrtg_active_users = extract_int(resp, 0);
1007         remove_token(resp, 0, '\n');
1008         extract_token(mrtg_server_uptime, resp, 0, '\n', sizeof mrtg_server_uptime);
1009         free(resp);
1010         resp = NULL;
1011
1012         /* get high message# */
1013         CtdlIPCGenericCommand(ipc, "MRTG|messages", NULL, 0, &resp, &bytes, buf);
1014         mrtg_himessage = extract_long(resp, 0);
1015         free(resp);
1016         resp = NULL;
1017
1018         /* refresh server info just in case */
1019         CtdlIPCServerInfo(ipc, buf);
1020
1021         scr_printf("You are connected to %s (%s) @%s\n", ipc->ServInfo.nodename, ipc->ServInfo.humannode, ipc->ServInfo.fqdn);
1022         scr_printf("running %s with text client v%.2f,\n", ipc->ServInfo.software, (float)REV_LEVEL/100);
1023         scr_printf("server build %s,\n", ipc->ServInfo.svn_revision, (float)REV_LEVEL/100);
1024     scr_printf("and located in %s.\n", ipc->ServInfo.site_location);
1025     scr_printf("Connected users %d / Active users %d / Highest message #%ld\n", mrtg_users, mrtg_active_users, mrtg_himessage);
1026     scr_printf("Server uptime: %s\n", mrtg_server_uptime);
1027     scr_printf("Your system administrator is %s.\n", ipc->ServInfo.sysadm);
1028     scr_printf("Copyright (C)1987-2009 by the Citadel development team\n");
1029 }
1030
1031 /*
1032  * forget all rooms on current floor
1033  */
1034 void forget_this_floor(CtdlIPC *ipc)
1035 {
1036         if (curr_floor == 0) {
1037                 scr_printf("Can't forget this floor.\n");
1038                 return;
1039         }
1040         if (floorlist[0][0] == 0) {
1041                 load_floorlist(ipc);
1042         }
1043         scr_printf("Are you sure you want to forget all rooms on %s? ",
1044                &floorlist[(int) curr_floor][0]);
1045         if (yesno() == 0) {
1046                 return;
1047         }
1048
1049         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
1050 }
1051
1052
1053 /* 
1054  * Figure out the physical screen dimensions, if we can
1055  * WARNING:  this is now called from a signal handler!
1056  */
1057 void check_screen_dims(void)
1058 {
1059 #ifdef TIOCGWINSZ
1060         struct {
1061                 unsigned short height;  /* rows */
1062                 unsigned short width;   /* columns */
1063                 unsigned short xpixels;
1064                 unsigned short ypixels;         /* pixels */
1065         } xwinsz;
1066
1067         if (have_xterm) {       /* dynamically size screen if on an xterm */
1068                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
1069                         if (xwinsz.height)
1070                                 screenheight = (int) xwinsz.height;
1071                         if (xwinsz.width)
1072                                 screenwidth = (int) xwinsz.width;
1073                 }
1074         }
1075 #endif
1076 }
1077
1078
1079 /*
1080  * set floor mode depending on client, server, and user settings
1081  */
1082 void set_floor_mode(CtdlIPC* ipc)
1083 {
1084         if (ipc->ServInfo.ok_floors == 0) {
1085                 floor_mode = 0; /* Don't use floors if the server */
1086         }
1087         /* doesn't support them!          */
1088         else {
1089                 if (rc_floor_mode == RC_NO) {   /* never use floors */
1090                         floor_mode = 0;
1091                 }
1092                 if (rc_floor_mode == RC_YES) {  /* always use floors */
1093                         floor_mode = 1;
1094                 }
1095                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
1096                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
1097                 }
1098         }
1099 }
1100
1101 /*
1102  * Set or change the user's password
1103  */
1104 int set_password(CtdlIPC *ipc)
1105 {
1106         char pass1[20];
1107         char pass2[20];
1108         char buf[SIZ];
1109
1110         if (!IsEmptyStr(rc_password)) {
1111                 strcpy(pass1, rc_password);
1112                 strcpy(pass2, rc_password);
1113         } else {
1114                 IFNEXPERT formout(ipc, "changepw");
1115                 newprompt("Enter a new password: ", pass1, -19);
1116                 newprompt("Enter it again to confirm: ", pass2, -19);
1117         }
1118         strproc(pass1);
1119         strproc(pass2);
1120         if (!strcasecmp(pass1, pass2)) {
1121                 CtdlIPCChangePassword(ipc, pass1, buf);
1122                 scr_printf("%s\n", buf);
1123                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
1124                 return (0);
1125         } else {
1126                 scr_printf("*** They don't match... try again.\n");
1127                 return (1);
1128         }
1129 }
1130
1131
1132
1133 /*
1134  * get info about the server we've connected to
1135  */
1136 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
1137 {
1138         char buf[SIZ];
1139
1140         CtdlIPCServerInfo(ipc, buf);
1141         moreprompt = ipc->ServInfo.moreprompt;
1142
1143         /* be nice and identify ourself to the server */
1144         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
1145                  (ipc->isLocal ? "local" : CITADEL),
1146                  (supplied_hostname) ? supplied_hostname : 
1147                  /* Look up the , in the bible if you're confused */
1148                  (locate_host(ipc, buf), buf), buf);
1149
1150         /* Indicate to the server that we prefer to decode Base64 and
1151          * quoted-printable on the client side.
1152          */
1153         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "dont_decode") / 100 ) != 2) {
1154                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1155                 logoff(ipc, 0);
1156         }
1157
1158         /*
1159          * Tell the server what our preferred content formats are.
1160          *
1161          * Originally we preferred HTML over plain text because we can format
1162          * it to the reader's screen width, but since our HTML-to-text parser
1163          * isn't really all that great, it's probably better to just go with
1164          * the plain text when we have it available.
1165          */
1166         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/plain|text/html") / 100 ) != 2) {
1167                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1168                 logoff(ipc, 0);
1169         }
1170 }
1171
1172
1173
1174 /*
1175  * Session username compare function for SortOnlineUsers()
1176  */
1177 int rwho_username_cmp(const void *rec1, const void *rec2) {
1178         char *u1, *u2;
1179
1180         u1 = strchr(rec1, '|');
1181         u2 = strchr(rec2, '|');
1182
1183         return strcasecmp( (u1?++u1:"") , (u2?++u2:"") );
1184 }
1185
1186
1187 /*
1188  * Idle time compare function for SortOnlineUsers()
1189  */
1190 int idlecmp(const void *rec1, const void *rec2) {
1191         time_t i1, i2;
1192
1193         i1 = extract_long(rec1, 5);
1194         i2 = extract_long(rec2, 5);
1195
1196         if (i1 < i2) return(1);
1197         if (i1 > i2) return(-1);
1198         return(0);
1199 }
1200
1201
1202 /*
1203  * Sort the list of online users by idle time.
1204  * This function frees the supplied buffer, and returns a new one
1205  * to the caller.  The caller is responsible for freeing the returned buffer.
1206  *
1207  * If 'condense' is nonzero, multiple sessions for the same user will be
1208  * combined into one for brevity.
1209  */
1210 char *SortOnlineUsers(char *listing, int condense) {
1211         int rows;
1212         char *sortbuf;
1213         char *retbuf;
1214         char buf[SIZ];
1215         int i;
1216
1217         rows = num_tokens(listing, '\n');
1218         sortbuf = malloc(rows * SIZ);
1219         if (sortbuf == NULL) return(listing);
1220         retbuf = malloc(rows * SIZ);
1221         if (retbuf == NULL) {
1222                 free(sortbuf);
1223                 return(listing);
1224         }
1225
1226         /* Copy the list into a fixed-record-size array for sorting */
1227         for (i=0; i<rows; ++i) {
1228                 memset(buf, 0, SIZ);
1229                 extract_token(buf, listing, i, '\n', sizeof buf);
1230                 memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
1231         }
1232
1233         /* Sort by idle time */
1234         qsort(sortbuf, rows, SIZ, idlecmp);
1235
1236         /* Combine multiple sessions for the same user */
1237         if (condense) {
1238                 qsort(sortbuf, rows, SIZ, rwho_username_cmp);
1239                 if (rows > 1) for (i=1; i<rows; ++i) if (i>0) {
1240                         char u1[USERNAME_SIZE];
1241                         char u2[USERNAME_SIZE];
1242                         extract_token(u1, &sortbuf[(i-1)*SIZ], 1, '|', sizeof u1);
1243                         extract_token(u2, &sortbuf[i*SIZ], 1, '|', sizeof u2);
1244                         if (!strcasecmp(u1, u2)) {
1245                                 memcpy(&sortbuf[i*SIZ], &sortbuf[(i+1)*SIZ], (rows-i-1)*SIZ);
1246                                 --rows;
1247                                 --i;
1248                         }
1249                 }
1250
1251                 qsort(sortbuf, rows, SIZ, idlecmp);     /* idle sort again */
1252         }
1253
1254         /* Copy back to a \n delimited list */
1255         strcpy(retbuf, "");
1256         for (i=0; i<rows; ++i) {
1257                 if (!IsEmptyStr(&sortbuf[i*SIZ])) {
1258                         strcat(retbuf, &sortbuf[i*SIZ]);
1259                         if (i<(rows-1)) strcat(retbuf, "\n");
1260                 }
1261         }
1262         free(listing);
1263         free(sortbuf);
1264         return(retbuf);
1265 }
1266
1267
1268
1269 /*
1270  * Display list of users currently logged on to the server
1271  */
1272 void who_is_online(CtdlIPC *ipc, int longlist)
1273 {
1274         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
1275         char flags[SIZ];
1276         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
1277         char clientsoft[SIZ];
1278         time_t timenow = 0;
1279         time_t idletime, idlehours, idlemins, idlesecs;
1280         int last_session = (-1);
1281         int skipidle = 0;
1282         char *listing = NULL;
1283         int r;                          /* IPC response code */
1284     
1285         if (longlist == 2) {
1286                 longlist = 0;
1287                 skipidle = 1;
1288         }
1289
1290         if (!longlist) {
1291                 color(BRIGHT_WHITE);
1292                 scr_printf("           User Name               Room          ");
1293                 if (screenwidth >= 80) scr_printf(" Idle        From host");
1294                 scr_printf("\n");
1295                 color(DIM_WHITE);
1296                 scr_printf("   ------------------------- --------------------");
1297                 if (screenwidth >= 80) scr_printf(" ---- ------------------------");
1298                 scr_printf("\n");
1299         }
1300         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
1301         listing = SortOnlineUsers(listing, (!longlist));
1302         if (r / 100 == 1) {
1303                 while (!IsEmptyStr(listing)) {
1304                         int isidle = 0;
1305                         
1306                         /* Get another line */
1307                         extract_token(buf, listing, 0, '\n', sizeof buf);
1308                         remove_token(listing, 0, '\n');
1309
1310                         extract_token(username, buf, 1, '|', sizeof username);
1311                         extract_token(roomname, buf, 2, '|', sizeof roomname);
1312                         extract_token(fromhost, buf, 3, '|', sizeof fromhost);
1313                         extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
1314                         extract_token(flags, buf, 7, '|', sizeof flags);
1315
1316                         idletime = timenow - extract_long(buf, 5);
1317                         idlehours = idletime / 3600;
1318                         idlemins = (idletime - (idlehours * 3600)) / 60;
1319                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
1320
1321                         if (idletime > rc_idle_threshold) {
1322                                 if (skipidle) {
1323                                         isidle = 1;
1324                                 }
1325                         }
1326
1327                         if (longlist) {
1328                                 extract_token(actual_user, buf, 8, '|', sizeof actual_user);
1329                                 extract_token(actual_room, buf, 9, '|', sizeof actual_room);
1330                                 extract_token(actual_host, buf, 10, '|', sizeof actual_host);
1331
1332                                 scr_printf("  Flags: %s\n", flags);
1333                                 scr_printf("Session: %d\n", extract_int(buf, 0));
1334                                 scr_printf("   Name: %s\n", username);
1335                                 scr_printf("In room: %s\n", roomname);
1336                                 scr_printf("   Host: %s\n", fromhost);
1337                                 scr_printf(" Client: %s\n", clientsoft);
1338                                 scr_printf("   Idle: %ld:%02ld:%02ld\n",
1339                                         (long) idlehours,
1340                                         (long) idlemins,
1341                                         (long) idlesecs);
1342
1343                                 if ( (!IsEmptyStr(actual_user)&&
1344                                       !IsEmptyStr(actual_room)&&
1345                                       !IsEmptyStr(actual_host))) {
1346                                         scr_printf("(really ");
1347                                         if (!IsEmptyStr(actual_user)) scr_printf("<%s> ", actual_user);
1348                                         if (!IsEmptyStr(actual_room)) scr_printf("in <%s> ", actual_room);
1349                                         if (!IsEmptyStr(actual_host)) scr_printf("from <%s> ", actual_host);
1350                                         scr_printf(")\n");
1351                                 }
1352                                 scr_printf("\n");
1353
1354                         } else {
1355                                 if (isidle == 0) {
1356                                         if (extract_int(buf, 0) == last_session) {
1357                                                 scr_printf("        ");
1358                                         }
1359                                         else {
1360                                                 color(BRIGHT_MAGENTA);
1361                                                 scr_printf("%-3s", flags);
1362                                         }
1363                                         last_session = extract_int(buf, 0);
1364                                         color(BRIGHT_CYAN);
1365                                         scr_printf("%-25s ", username);
1366                                         color(BRIGHT_MAGENTA);
1367                                         roomname[20] = 0;
1368                                         scr_printf("%-20s", roomname);
1369
1370                                         if (screenwidth >= 80) {
1371                                                 scr_printf(" ");
1372                                                 if (idletime > rc_idle_threshold) {
1373                                                         /* over 1000d, must be gone fishing */
1374                                                         if (idlehours > 23999) {
1375                                                                 scr_printf("fish");
1376                                                         /* over 10 days */
1377                                                         } else if (idlehours > 239) {
1378                                                                 scr_printf("%3ldd", idlehours / 24);
1379                                                         /* over 10 hours */
1380                                                         } else if (idlehours > 9) {
1381                                                                 scr_printf("%1ldd%02ld",
1382                                                                         idlehours / 24,
1383                                                                         idlehours % 24);
1384                                                         /* less than 10 hours */
1385                                                         }
1386                                                         else {
1387                                                                 scr_printf("%1ld:%02ld", idlehours, idlemins);
1388                                                         }
1389                                                 }
1390                                                 else {
1391                                                         scr_printf("    ");
1392                                                 }
1393                                                 scr_printf(" ");
1394                                                 color(BRIGHT_CYAN);
1395                                                 fromhost[24] = '\0';
1396                                                 scr_printf("%-24s", fromhost);
1397                                         }
1398                                         scr_printf("\n");
1399                                         color(DIM_WHITE);
1400                                 }
1401                         }
1402                 }
1403         }
1404         free(listing);
1405 }
1406
1407 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
1408 {
1409         char bbb[128];
1410         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
1411         newprompt(bbb, buf, maxlen);
1412 }
1413
1414
1415
1416 int shift(int argc, char **argv, int start, int count) {
1417         int i;
1418
1419         for (i=start; i<(argc-count); ++i) {
1420                 argv[i] = argv[i+count];
1421         }
1422         argc = argc - count;
1423         return argc;
1424 }
1425
1426 static void statusHook(char *s) {
1427         scr_printf(s);
1428 }
1429
1430 /*
1431  * main
1432  */
1433 int main(int argc, char **argv)
1434 {
1435         int a, b, mcmd;
1436         char aaa[100], bbb[100];/* general purpose variables */
1437         char argbuf[64];        /* command line buf */
1438         char nonce[NONCE_SIZE];
1439         char *telnet_client_host = NULL;
1440         char *sptr, *sptr2;     /* USed to extract the nonce */
1441         char hexstring[MD5_HEXSTRING_SIZE];
1442         char password[SIZ];
1443         struct ctdlipcmisc chek;
1444         struct ctdluser *myself = NULL;
1445         CtdlIPC* ipc;                   /* Our server connection */
1446         int r;                          /* IPC result code */
1447         int rv = 0;                     /* fetch but ignore syscall return value to suppress warnings */
1448
1449         int relh=0;
1450         int home=0;
1451         char relhome[PATH_MAX]="";
1452         char ctdldir[PATH_MAX]=CTDLDIR;
1453     int lp; 
1454 #ifdef HAVE_BACKTRACE
1455         eCrashParameters params;
1456 //      eCrashSymbolTable symbol_table;
1457 #endif
1458         calc_dirs_n_files(relh, home, relhome, ctdldir, 0);
1459
1460 #ifdef HAVE_BACKTRACE
1461         bzero(&params, sizeof(params));
1462         params.filename = file_pid_paniclog;
1463 //      panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
1464         params.filep = fopen(file_pid_paniclog, "a+");
1465         params.debugLevel = ECRASH_DEBUG_VERBOSE;
1466         params.dumpAllThreads = TRUE;
1467         params.useBacktraceSymbols = 1;
1468 ///     BuildSymbolTable(&symbol_table);
1469 //      params.symbolTable = &symbol_table;
1470         params.signals[0]=SIGSEGV;
1471         params.signals[1]=SIGILL;
1472         params.signals[2]=SIGBUS;
1473         params.signals[3]=SIGABRT;
1474
1475         eCrash_Init(&params);
1476 #endif  
1477         setIPCErrorPrintf(scr_printf);
1478         setCryptoStatusHook(statusHook);
1479         
1480         /* Permissions sanity check - don't run citadel setuid/setgid */
1481         if (getuid() != geteuid()) {
1482                 scr_printf("Please do not run citadel setuid!\n");
1483                 logoff(NULL, 3);
1484         } else if (getgid() != getegid()) {
1485                 scr_printf("Please do not run citadel setgid!\n");
1486                 logoff(NULL, 3);
1487         }
1488
1489         stty_ctdl(SB_SAVE);     /* Store the old terminal parameters */
1490         load_command_set();     /* parse the citadel.rc file */
1491         stty_ctdl(SB_NO_INTR);  /* Install the new ones */
1492         /* signal(SIGHUP, dropcarr);FIXME */    /* Cleanup gracefully if carrier is dropped */
1493         signal(SIGPIPE, dropcarr);      /* Cleanup gracefully if local conn. dropped */
1494         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
1495         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1496 #ifdef SIGWINCH
1497         signal(SIGWINCH, scr_winch);    /* Window resize signal */
1498 #endif
1499
1500 #ifdef HAVE_OPENSSL
1501         arg_encrypt = RC_DEFAULT;
1502 #endif
1503
1504         /* 
1505          * Handle command line options as if we were called like /bin/login
1506          * (i.e. from in.telnetd)
1507          */
1508         for (a=0; a<argc; ++a) {
1509                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1510                         telnet_client_host = argv[a+1];
1511                         argc = shift(argc, argv, a, 2);
1512                 }
1513                 if (!strcmp(argv[a], "-x")) {
1514 #ifdef HAVE_OPENSSL
1515                         arg_encrypt = RC_NO;
1516 #endif
1517                         argc = shift(argc, argv, a, 1);
1518                 }
1519                 if (!strcmp(argv[a], "-X")) {
1520 #ifdef HAVE_OPENSSL
1521                         arg_encrypt = RC_YES;
1522                         argc = shift(argc, argv, a, 1);
1523 #else
1524                         fprintf(stderr, "Not compiled with encryption support");
1525                         return 1;
1526 #endif
1527                 }
1528                 if (!strcmp(argv[a], "-p")) {
1529                         struct stat st;
1530                 
1531                         if (chdir(CTDLDIR) < 0) {
1532                                 perror("can't change to " CTDLDIR);
1533                                 logoff(NULL, 3);
1534                         }
1535
1536                         /*
1537                          * Drop privileges if necessary. We stat
1538                          * citadel.config to get the uid/gid since it's
1539                          * guaranteed to have the uid/gid we want.
1540                          */
1541                         if (!getuid() || !getgid()) {
1542                                 if (stat(file_citadel_config, &st) < 0) {
1543                                         perror("couldn't stat citadel.config");
1544                                         logoff(NULL, 3);
1545                                 }
1546                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1547                                         perror("couldn't change gid");
1548                                         logoff(NULL, 3);
1549                                 }
1550                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1551                                         perror("couldn't change uid");
1552                                         logoff(NULL, 3);
1553                                 }
1554                                 /*
1555                                   scr_printf("Privileges changed to uid %d gid %d\n",
1556                                   getuid(), getgid());
1557                                 */
1558                         }
1559                         argc = shift(argc, argv, a, 1);
1560                 }
1561         }
1562         
1563
1564         screen_new();
1565
1566 #ifdef __CYGWIN__
1567         newprompt("Connect to (return for local server): ", hostbuf, 64);
1568 #endif
1569
1570         scr_printf("Attaching to server...\n");
1571         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1572         if (!ipc) {
1573                 error_printf("Can't connect: %s\n", strerror(errno));
1574                 logoff(NULL, 3);
1575         }
1576
1577         CtdlIPC_SetNetworkStatusCallback(ipc, scr_wait_indicator);
1578
1579         if (!(ipc->isLocal)) {
1580                 scr_printf("Connected to %s [%s].\n", ipc->ip_hostname, ipc->ip_address);
1581         }
1582
1583         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1584
1585         CtdlIPC_chat_recv(ipc, aaa);
1586         if (aaa[0] != '2') {
1587                 scr_printf("%s\n", &aaa[4]);
1588                 logoff(ipc, atoi(aaa));
1589         }
1590
1591         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1592          * is zeroized.
1593          */
1594         
1595         if ((sptr = strchr(aaa, '<')) == NULL)
1596                 {
1597                         nonce[0] = '\0';
1598                 }
1599         else
1600                 {
1601                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1602                                 {
1603                                         nonce[0] = '\0';
1604                                 }
1605                         else
1606                                 {
1607                                         sptr2++;
1608                                         *sptr2 = '\0';
1609                                         strncpy(nonce, sptr, (size_t)NONCE_SIZE);
1610                                 }
1611                 }
1612
1613 #ifdef HAVE_OPENSSL
1614         /* Evaluate encryption preferences */
1615         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1616                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1617                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1618                         if (!secure)
1619                                 error_printf("Can't encrypt: %s\n", aaa);
1620                 }
1621         }
1622 #endif
1623
1624         get_serv_info(ipc, telnet_client_host);
1625         scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
1626                    ipc->ServInfo.site_location);
1627
1628         screenwidth = 80;       /* default screen dimensions */
1629         screenheight = 24;
1630         
1631         scr_printf(" pause    next    stop\n");
1632         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1633         formout(ipc, "hello");  /* print the opening greeting */
1634         scr_printf("\n");
1635
1636  GSTA:  /* See if we have a username and password on disk */
1637         if (rc_remember_passwords) {
1638                 get_stored_password(hostbuf, portbuf, fullname, password);
1639                 if (!IsEmptyStr(fullname)) {
1640                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1641                         if (r / 100 == 3) {
1642                                 if (*nonce) {
1643                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1644                                 } else {
1645                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1646                                 }
1647                         }
1648
1649                         if (r / 100 == 2) {
1650                                 load_user_info(aaa);
1651                                 goto PWOK;
1652                         } else {
1653                                 set_stored_password(hostbuf, portbuf, "", "");
1654                         }
1655                 }
1656         }
1657
1658         termn8 = 0;
1659         newnow = 0;
1660         do {
1661                 if (!IsEmptyStr(rc_username)) {
1662                         strcpy(fullname, rc_username);
1663                 } else {
1664                         newprompt("Enter your name: ", fullname, 29);
1665                 }
1666                 strproc(fullname);
1667                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1668                         scr_printf("Please enter the name you wish to log in with.\n");
1669                 }
1670         } while (
1671                  (!strcasecmp(fullname, "bbs"))
1672                  || (!strcasecmp(fullname, "new"))
1673                  || (IsEmptyStr(fullname)));
1674
1675         if (!strcasecmp(fullname, "off")) {
1676                 mcmd = 29;
1677                 goto TERMN8;
1678         }
1679
1680         /* FIXME this is a stupid way to do guest mode but it's a reasonable test harness FIXME */
1681         if ( (ipc->ServInfo.guest_logins) && (!strcasecmp(fullname, "guest")) ) {
1682                 goto PWOK;
1683         }
1684
1685         /* sign on to the server */
1686         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1687         if (r / 100 != 3)
1688                 goto NEWUSR;
1689
1690         /* password authentication */
1691         if (!IsEmptyStr(rc_password)) {
1692                 strcpy(password, rc_password);
1693         } else {
1694                 newprompt("\rPlease enter your password: ", password, -(SIZ-1));
1695         }
1696
1697         if (*nonce) {
1698                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1699                 if (r / 100 != 2) {
1700                         strproc(password);
1701                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1702                 }
1703         } else {
1704                 r = CtdlIPCTryPassword(ipc, password, aaa);
1705                 if (r / 100 != 2) {
1706                         strproc(password);
1707                         r = CtdlIPCTryPassword(ipc, password, aaa);
1708                 }
1709         }
1710         
1711         if (r / 100 == 2) {
1712                 load_user_info(aaa);
1713                 offer_to_remember_password(ipc, hostbuf, portbuf,
1714                                            fullname, password);
1715                 goto PWOK;
1716         }
1717         scr_printf("<< wrong password >>\n");
1718         if (!IsEmptyStr(rc_password))
1719                 logoff(ipc, 2);
1720         goto GSTA;
1721
1722 NEWUSR: if (IsEmptyStr(rc_password)) {
1723                 scr_printf("'%s' not found.\n", fullname);
1724                 scr_printf("Type 'off' if you would like to exit.\n");
1725                 if (ipc->ServInfo.newuser_disabled == 1) {
1726                         goto GSTA;
1727                 }
1728                 scr_printf("Do you want to create a new user account called '%s'? ",
1729                         fullname);
1730                 if (yesno() == 0) {
1731                         goto GSTA;
1732                 }
1733         }
1734
1735         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1736         if (r / 100 != 2) {
1737                 scr_printf("%s\n", aaa);
1738                 goto GSTA;
1739         }
1740         load_user_info(aaa);
1741
1742         while (set_password(ipc) != 0);
1743         newnow = 1;
1744
1745         enter_config(ipc, 1);
1746
1747  PWOK:
1748         /* Switch color support on or off if we're in user mode */
1749         if (rc_ansi_color == 3) {
1750                 if (userflags & US_COLOR)
1751                         enable_color = 1;
1752                 else
1753                         enable_color = 0;
1754         }
1755
1756         color(BRIGHT_WHITE);
1757         scr_printf("\n%s\nAccess level: %d (%s)\n"
1758                    "User #%ld / Login #%d",
1759                    fullname, axlevel, axdefs[(int) axlevel],
1760                    usernum, timescalled);
1761         if (lastcall > 0L) {
1762                 scr_printf(" / Last login: %s",
1763                            asctime(localtime(&lastcall)));
1764         }
1765         scr_printf("\n");
1766
1767         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1768         if (r / 100 == 2) {
1769                 b = chek.newmail;
1770                 if (b > 0) {
1771                         color(BRIGHT_RED);
1772                         if (b == 1)
1773                                 scr_printf("*** You have a new private message in Mail>\n");
1774                         if (b > 1)
1775                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1776                         color(DIM_WHITE);
1777                         if (!IsEmptyStr(rc_gotmail_cmd)) {
1778                                 rv = system(rc_gotmail_cmd);
1779                                 if (rv)
1780                                         scr_printf("*** failed to check for mail calling %s Reason %d.\n",
1781                                                    rc_gotmail_cmd, rv);
1782
1783                         }
1784                 }
1785                 if ((axlevel >= AxAideU) && (chek.needvalid > 0)) {
1786                         scr_printf("*** Users need validation\n");
1787                 }
1788                 if (chek.needregis > 0) {
1789                         scr_printf("*** Please register.\n");
1790                         formout(ipc, "register");
1791                         entregis(ipc);
1792                 }
1793         }
1794         /* Make up some temporary filenames for use in various parts of the
1795          * program.  Don't mess with these once they've been set, because we
1796          * will be unlinking them later on in the program and we don't
1797          * want to delete something that we didn't create. */
1798         CtdlMakeTempFileName(temp, sizeof temp);
1799         CtdlMakeTempFileName(temp2, sizeof temp2);
1800         CtdlMakeTempFileName(tempdir, sizeof tempdir);
1801
1802         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1803          * we try to get the user's actual screen dimensions off the server.
1804          * However, if we're running on an xterm, all this stuff is
1805          * irrelevant because we're going to dynamically size the screen
1806          * during the session.
1807          */
1808         screenwidth = 80;
1809         screenheight = 24;
1810         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1811         if (getenv("TERM") != NULL)
1812                 if (!strcmp(getenv("TERM"), "xterm")) {
1813                         have_xterm = 1;
1814                 }
1815         check_screen_dims();
1816
1817         set_floor_mode(ipc);
1818
1819         /* Enter the lobby */
1820         dotgoto(ipc, "_BASEROOM_", 1, 0);
1821
1822         /* Main loop for the system... user is logged in. */
1823     free(uglist[0]);
1824         uglistsize = 0;
1825
1826         if (newnow == 1)
1827                 readmsgs(ipc, LastMessages, ReadForward, 5);
1828         else
1829                 readmsgs(ipc, NewMessages, ReadForward, 0);
1830
1831         /* MAIN COMMAND LOOP */
1832         do {
1833                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1834
1835 #ifdef TIOCGWINSZ
1836                 check_screen_dims();            /* if xterm, get screen size */
1837 #endif
1838
1839                 if (termn8 == 0)
1840                         switch (mcmd) {
1841                         case 1:
1842                                 formout(ipc, "help");
1843                                 break;
1844                         case 4:
1845                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1846                                 break;
1847                         case 36:
1848                                 entmsg(ipc, 0, 1, 0);
1849                                 break;
1850                         case 46:
1851                                 entmsg(ipc, 0, 2, 0);
1852                                 break;
1853                         case 78:
1854                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 1);
1855                                 break;
1856                         case 5:                         /* <G>oto */
1857                                 updatels(ipc);
1858                                 gotonext(ipc);
1859                                 break;
1860                         case 47:                        /* <A>bandon */
1861                                 if (!rc_alt_semantics) {
1862                                         updatelsa(ipc);
1863                                 }
1864                                 gotonext(ipc);
1865                                 break;
1866                         case 90:                        /* <.A>bandon */
1867                                 if (!rc_alt_semantics)
1868                                         updatelsa(ipc);
1869                                 dotgoto(ipc, argbuf, 0, 0);
1870                                 break;
1871                         case 58:                        /* <M>ail */
1872                                 updatelsa(ipc);
1873                                 dotgoto(ipc, "_MAIL_", 1, 0);
1874                                 break;
1875                         case 20:
1876                                 if (!IsEmptyStr(argbuf)) {
1877                                         updatels(ipc);
1878                                         dotgoto(ipc, argbuf, 0, 0);
1879                                 }
1880                                 break;
1881                         case 52:
1882                                 if (!IsEmptyStr(argbuf)) {
1883                                         if (rc_alt_semantics) {
1884                                                 updatelsa(ipc);
1885                                         }
1886                                         dotgoto(ipc, argbuf, 0, 0);
1887                                 }
1888                                 break;
1889                         case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
1890                                 dotungoto(ipc, argbuf);
1891                                 break;
1892                         case 10:
1893                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1894                                 break;
1895                         case 9:
1896                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1897                                 break;
1898                         case 13:
1899                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1900                                 break;
1901                         case 11:
1902                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1903                                 break;
1904                         case 12:
1905                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1906                                 break;
1907                         case 71:
1908                                 readmsgs(ipc, LastMessages, ReadForward,
1909                                                 atoi(argbuf));
1910                                 break;
1911                         case 7:
1912                                 forget(ipc);
1913                                 break;
1914                         case 18:
1915                                 subshell();
1916                                 break;
1917                         case 38:
1918                                 updatels(ipc);
1919                                 entroom(ipc);
1920                                 break;
1921                         case 22:
1922                                 killroom(ipc);
1923                                 break;
1924                         case 32:
1925                                 userlist(ipc, argbuf);
1926                                 break;
1927                         case 27:
1928                                 invite(ipc);
1929                                 break;
1930                         case 28:
1931                                 kickout(ipc);
1932                                 break;
1933                         case 23:
1934                                 editthisroom(ipc);
1935                                 break;
1936                         case 14:
1937                                 roomdir(ipc);
1938                                 break;
1939                         case 33:
1940                                 download(ipc, 0);
1941                                 break;
1942                         case 34:
1943                                 download(ipc, 1);
1944                                 break;
1945                         case 31:
1946                                 download(ipc, 2);
1947                                 break;
1948                         case 43:
1949                                 download(ipc, 3);
1950                                 break;
1951                         case 45:
1952                                 download(ipc, 4);
1953                                 break;
1954                         case 55:
1955                                 download(ipc, 5);
1956                                 break;
1957                         case 39:
1958                                 upload(ipc, 0);
1959                                 break;
1960                         case 40:
1961                                 upload(ipc, 1);
1962                                 break;
1963                         case 42:
1964                                 upload(ipc, 2);
1965                                 break;
1966                         case 44:
1967                                 upload(ipc, 3);
1968                                 break;
1969                         case 57:
1970                                 cli_upload(ipc);
1971                                 break;
1972                         case 16:
1973                                 ungoto(ipc);
1974                                 break;
1975                         case 24:
1976                                 whoknows(ipc);
1977                                 break;
1978                         case 26:
1979                                 validate(ipc);
1980                                 break;
1981                         case 29:
1982                         case 30:
1983                                 if (!rc_alt_semantics) {
1984                                         updatels(ipc);
1985                                 }
1986                                 termn8 = 1;
1987                                 break;
1988                         case 48:
1989                                 enterinfo(ipc);
1990                                 break;
1991                         case 49:
1992                                 readinfo(ipc);
1993                                 break;
1994                         case 72:
1995                                 cli_image_upload(ipc, "_userpic_");
1996                                 break;
1997                         case 73:
1998                                 cli_image_upload(ipc, "_roompic_");
1999                                 break;
2000
2001                         case 74:
2002                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
2003                                 cli_image_upload(ipc, aaa);
2004                                 break;
2005
2006                         case 75:
2007                                 enternew(ipc, "roomname", aaa, 20);
2008                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
2009                                 if (r / 100 != 2)
2010                                         scr_printf("\n%s\n", bbb);
2011                                 break;
2012                         case 76:
2013                                 enternew(ipc, "hostname", aaa, 25);
2014                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
2015                                 if (r / 100 != 2)
2016                                         scr_printf("\n%s\n", bbb);
2017                                 break;
2018                         case 77:
2019                                 enternew(ipc, "username", aaa, 32);
2020                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
2021                                 if (r / 100 != 2)
2022                                         scr_printf("\n%s\n", bbb);
2023                                 break;
2024
2025                         case 35:
2026                                 set_password(ipc);
2027                                 break;
2028
2029                         case 21:
2030                                 if (argbuf[0] == 0)
2031                                         strcpy(aaa, "?");
2032                                 display_help(ipc, argbuf);
2033                                 break;
2034
2035                         case 41:
2036                                 formout(ipc, "register");
2037                                 entregis(ipc);
2038                                 break;
2039
2040                         case 15:
2041                                 scr_printf("Are you sure (y/n)? ");
2042                                 if (yesno() == 1) {
2043                                         if (!rc_alt_semantics)
2044                                                 updatels(ipc);
2045                                         a = 0;
2046                                         termn8 = 1;
2047                                 }
2048                                 break;
2049
2050                         case 85:
2051                                 scr_printf("All users will be disconnected!  "
2052                                            "Really terminate the server? ");
2053                                 if (yesno() == 1) {
2054                                         if (!rc_alt_semantics)
2055                                                 updatels(ipc);
2056                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
2057                                         scr_printf("%s\n", aaa);
2058                                         if (r / 100 == 2) {
2059                                                 a = 0;
2060                                                 termn8 = 1;
2061                                         }
2062                                 }
2063                                 break;
2064
2065                         case 86:
2066                                 scr_printf("Do you really want to schedule a "
2067                                            "server shutdown? ");
2068                                 if (yesno() == 1) {
2069                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
2070                                         if (r / 100 == 2) {
2071                                                 if (atoi(aaa)) {
2072                                                         scr_printf(
2073                                                                    "The Citadel server will terminate when all users are logged off.\n"
2074                                                                    );
2075                                                 } else {
2076                                                         scr_printf(
2077                                                                    "The Citadel server will not terminate.\n"
2078                                                                    );
2079                                                 }
2080                                         }
2081                                 }
2082                                 break;
2083
2084                         case 87:
2085                                 network_config_management(ipc, "listrecp",
2086                                                           "Message-by-message mailing list recipients");
2087                                 break;
2088
2089                         case 94:
2090                                 network_config_management(ipc, "digestrecp",
2091                                                           "Digest mailing list recipients");
2092                                 break;
2093
2094                         case 89:
2095                                 network_config_management(ipc, "ignet_push_share",
2096                                                           "Nodes with which we share this room");
2097                                 break;
2098
2099                         case 88:
2100                                 do_ignet_configuration(ipc);
2101                                 break;
2102
2103                         case 92:
2104                                 do_filterlist_configuration(ipc);
2105                                 break;
2106
2107                         case 6:
2108                                 if (rc_alt_semantics) {
2109                                         updatelsa(ipc);
2110                                 }
2111                                 gotonext(ipc);
2112                                 break;
2113
2114                         case 3:
2115                                 chatmode(ipc);
2116                                 break;
2117
2118                         case 17:
2119                                 who_is_online(ipc, 0);
2120                                 break;
2121
2122                         case 79:
2123                                 who_is_online(ipc, 1);
2124                                 break;
2125
2126                         case 91:
2127                                 who_is_online(ipc, 2);
2128                                 break;
2129                 
2130                         case 80:
2131                                 do_system_configuration(ipc);
2132                                 break;
2133
2134                         case 82:
2135                                 do_internet_configuration(ipc);
2136                                 break;
2137
2138                         case 83:
2139                                 check_message_base(ipc);
2140                                 break;
2141
2142                         case 84:
2143                                 quiet_mode(ipc);
2144                                 break;
2145
2146                         case 93:
2147                                 stealth_mode(ipc);
2148                                 break;
2149
2150                         case 50:
2151                                 enter_config(ipc, 2);
2152                                 break;
2153
2154                         case 37:
2155                                 enter_config(ipc, 0);
2156                                 set_floor_mode(ipc);
2157                                 break;
2158
2159                         case 59:
2160                                 enter_config(ipc, 3);
2161                                 set_floor_mode(ipc);
2162                                 break;
2163
2164                         case 60:
2165                                 gotofloor(ipc, argbuf, GF_GOTO);
2166                                 break;
2167
2168                         case 61:
2169                                 gotofloor(ipc, argbuf, GF_SKIP);
2170                                 break;
2171
2172                         case 62:
2173                                 forget_this_floor(ipc);
2174                                 break;
2175
2176                         case 63:
2177                                 create_floor(ipc);
2178                                 break;
2179
2180                         case 64:
2181                                 edit_floor(ipc);
2182                                 break;
2183
2184                         case 65:
2185                                 kill_floor(ipc);
2186                                 break;
2187
2188                         case 66:
2189                                 enter_bio(ipc);
2190                                 break;
2191
2192                         case 67:
2193                                 read_bio(ipc);
2194                                 break;
2195
2196                         case 25:
2197                                 edituser(ipc, 25);
2198                                 break;
2199
2200                         case 96:
2201                                 edituser(ipc, 96);
2202                                 break;
2203
2204                         case 8:
2205                                 knrooms(ipc, floor_mode);
2206                                 scr_printf("\n");
2207                                 break;
2208
2209                         case 68:
2210                                 knrooms(ipc, 2);
2211                                 scr_printf("\n");
2212                                 break;
2213
2214                         case 69:
2215                                 misc_server_cmd(ipc, argbuf);
2216                                 break;
2217
2218                         case 70:
2219                                 edit_system_message(ipc, argbuf);
2220                                 break;
2221
2222                         case 19:
2223                                 listzrooms(ipc);
2224                                 scr_printf("\n");
2225                                 break;
2226
2227                         case 51:
2228                                 deletefile(ipc);
2229                                 break;
2230
2231                         case 54:
2232                                 movefile(ipc);
2233                                 break;
2234
2235                         case 56:
2236                                 page_user(ipc);
2237                                 break;
2238
2239             case 110:           /* <+> Next room */
2240                                  gotoroomstep(ipc, 1, 0);
2241                              break;
2242
2243             case 111:           /* <-> Previous room */
2244                  gotoroomstep(ipc, 0, 0);
2245                              break;
2246
2247                         case 112:           /* <>> Next floor */
2248                  gotofloorstep(ipc, 1, GF_GOTO);
2249                              break;
2250
2251                         case 113:           /* <<> Previous floor */
2252                  gotofloorstep(ipc, 0, GF_GOTO);
2253                                  break;
2254
2255             case 116:           /* <.> skip to <+> Next room */
2256                  gotoroomstep(ipc, 1, 1);
2257                              break;
2258
2259             case 117:           /* <.> skip to <-> Previous room */
2260                  gotoroomstep(ipc, 0, 1);
2261                              break;
2262
2263                         case 118:           /* <.> skip to <>> Next floor */
2264                  gotofloorstep(ipc, 1, GF_SKIP);
2265                              break;
2266
2267                         case 119:           /* <.> skip to <<> Previous floor */
2268                  gotofloorstep(ipc, 0, GF_SKIP);
2269                                  break;
2270
2271                         case 114:           
2272                  read_config(ipc);
2273                                  break;
2274
2275                         case 115:           
2276                  system_info(ipc);
2277                                  break;
2278
2279                         case 120:           /* .KAnonymous */
2280                          dotknown(ipc, 0, NULL);
2281                                  break;
2282
2283                         case 121:           /* .KDirectory */
2284                          dotknown(ipc, 1, NULL);
2285                                  break;
2286
2287                         case 122:           /* .KMatch */
2288                          dotknown(ipc, 2, argbuf);
2289                                  break;
2290
2291                         case 123:           /* .KpreferredOnly */
2292                          dotknown(ipc, 3, NULL);
2293                                  break;
2294
2295                         case 124:           /* .KPrivate */
2296                          dotknown(ipc, 4, NULL);
2297                                  break;
2298
2299                         case 125:           /* .KRead only */
2300                          dotknown(ipc, 5, NULL);
2301                                  break;
2302
2303                         case 126:           /* .KShared */
2304                          dotknown(ipc, 6, NULL);
2305                                  break;
2306
2307                         case 127:           /* Configure POP3 aggregation */
2308                                 do_pop3client_configuration(ipc);
2309                                 break;
2310
2311                         case 128:           /* Configure XML/RSS feed retrieval */
2312                                 do_rssclient_configuration(ipc);
2313                                 break;
2314
2315                         default: /* allow some math on the command */
2316                                 /* commands 100... to 100+MAX_EDITORS-1 will
2317                                    call the appropriate editor... in other
2318                                    words, command numbers 100+ will match
2319                                    the citadel.rc keys editor0, editor1, etc.*/
2320                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
2321                                 {
2322                                         /* entmsg mode >=2 select editor */
2323                                         entmsg(ipc, 0, mcmd - 100 + 2, 0);
2324                                         break;
2325                                 }
2326                         }       /* end switch */
2327         } while (termn8 == 0);
2328
2329 TERMN8: scr_printf("%s logged out.", fullname);
2330         termn8 = 0;
2331         color(ORIGINAL_PAIR);
2332         scr_printf("\n");
2333         while (marchptr != NULL) {
2334                 remove_march(marchptr->march_name, 0);
2335         }
2336         if (mcmd == 30) {
2337                 scr_printf("\n\nType 'off' to disconnect, or next user...\n");
2338         }
2339         CtdlIPCLogout(ipc);
2340         if ((mcmd == 29) || (mcmd == 15)) {
2341                 stty_ctdl(SB_RESTORE);
2342                 formout(ipc, "goodbye");
2343                 logoff(ipc, 0);
2344         }
2345         /* Free the ungoto list */
2346         for (lp = 0; lp < uglistsize; lp++) {
2347                 free(uglist[lp]);
2348         }
2349     uglistsize = 0;
2350         goto GSTA;
2351
2352 }       /* end main() */
2353