8fe6b3a476bcceebe5c80fb9dd1b1599b2afe5c8
[citadel.git] / citadel / citadel.c
1 /*
2  * $Id$
3  *
4  * Main source module for the client program.
5  */
6
7 #include "sysdep.h"
8 #include <stdlib.h>
9 #include <unistd.h>
10 #include <fcntl.h>
11 #include <stdio.h>
12 #include <ctype.h>
13 #include <string.h>
14
15 #if TIME_WITH_SYS_TIME
16 # include <sys/time.h>
17 # include <time.h>
18 #else
19 # if HAVE_SYS_TIME_H
20 #  include <sys/time.h>
21 # else
22 #  include <time.h>
23 # endif
24 #endif
25
26 #include <limits.h>
27 #include <sys/types.h>
28 #include <sys/wait.h>
29 #include <sys/stat.h>
30 #include <sys/ioctl.h>
31 #include <signal.h>
32 #include <pwd.h>
33 #include <stdarg.h>
34 #include <errno.h>
35
36 #include "citadel.h"
37 #include "citadel_ipc.h"
38 #include "axdefs.h"
39 #include "routines.h"
40 #include "routines2.h"
41 #include "tuiconfig.h"
42 #include "rooms.h"
43 #include "messages.h"
44 #include "commands.h"
45 #include "client_chat.h"
46 #include "client_passwords.h"
47 #include "citadel_decls.h"
48 #include "tools.h"
49 #include "sysdep.h"
50 #ifndef HAVE_SNPRINTF
51 #include "snprintf.h"
52 #endif
53 #include "screen.h"
54 #include "citadel_dirs.h"
55
56 #include "ecrash.h"
57 #include "md5.h"
58
59 #define IFEXPERT if (userflags&US_EXPERT)
60 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
61 #define IFAIDE if (axlevel>=6)
62 #define IFNAIDE if (axlevel<6)
63
64 int rordercmp(struct ctdlroomlisting *r1, struct ctdlroomlisting *r2);
65
66 struct march *march = NULL;
67
68 /* globals associated with the client program */
69 char temp[PATH_MAX];            /* Name of general-purpose temp file */
70 char temp2[PATH_MAX];           /* Name of general-purpose temp file */
71 char tempdir[PATH_MAX];         /* Name of general-purpose temp directory */
72 char editor_paths[MAX_EDITORS][SIZ];    /* paths to external editors */
73 char printcmd[SIZ];             /* print command */
74 int editor_pid = (-1);
75 char fullname[USERNAME_SIZE];
76 int screenwidth;
77 int screenheight;
78 unsigned room_flags;
79 unsigned room_flags2;
80 char room_name[ROOMNAMELEN];
81 char *uglist[UGLISTLEN]; /* size of the ungoto list */
82 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
83 int uglistsize = 0;
84 char is_mail = 0;               /* nonzero when we're in a mail room */
85 char axlevel = 0;               /* access level */
86 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
87 int timescalled;
88 int posted;
89 unsigned userflags;
90 long usernum = 0L;              /* user number */
91 time_t lastcall = 0L;           /* Date/time of previous login */
92 char newnow;
93 long highest_msg_read;          /* used for <A>bandon room cmd */
94 long maxmsgnum;                 /* used for <G>oto */
95 char sigcaught = 0;
96 char have_xterm = 0;            /* are we running on an xterm? */
97 char rc_username[USERNAME_SIZE];
98 char rc_password[32];
99 char hostbuf[SIZ];
100 char portbuf[SIZ];
101 char rc_floor_mode;
102 char floor_mode;
103 char curr_floor = 0;            /* number of current floor */
104 char floorlist[128][SIZ];       /* names of floors */
105 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
106 int secure;                     /* Set to nonzero when wire is encrypted */
107
108 extern char instant_msgs;       /* instant messages waiting! */
109 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
110 extern int next_lazy_cmd;
111
112 CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
113 int enable_syslog = 0;
114
115
116 /*
117  * lprintf()  ...   Write logging information; 
118  *                  simple here to have the same 
119  *                  symbols in the client.
120  */
121 enum LogLevel {CTDL_EMERG};
122
123 void lprintf(enum LogLevel loglevel, const char *format, ...) {   
124         va_list arg_ptr;
125
126         va_start(arg_ptr, format);
127         vfprintf(stderr, format, arg_ptr);   
128         va_end(arg_ptr);   
129         fflush(stderr);
130 }   
131
132 /*
133  * here is our 'clean up gracefully and exit' routine
134  */
135 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
136 {
137         int lp;
138
139         if (editor_pid > 0) {   /* kill the editor if it's running */
140                 kill(editor_pid, SIGHUP);
141         }
142
143         /* Free the ungoto list */
144         for (lp = 0; lp < uglistsize; lp++) {
145                 free(uglist[lp]);
146         }
147
148 /* Shut down the server connection ... but not if the logoff code is 3,
149  * because that means we're exiting because we already lost the server.
150  */
151         if (code != 3) {
152                 CtdlIPCQuit(ipc);
153         }
154
155 /*
156  * now clean up various things
157  */
158         screen_delete();
159
160         unlink(temp);
161         unlink(temp2);
162         nukedir(tempdir);
163
164         /* Violently kill off any child processes if Citadel is
165          * the login shell. 
166          */
167         if (getppid() == 1) {
168                 kill(0 - getpgrp(), SIGTERM);
169                 sleep(1);
170                 kill(0 - getpgrp(), SIGKILL);
171         }
172         color(ORIGINAL_PAIR);   /* Restore the old color settings */
173         stty_ctdl(SB_RESTORE);  /* return the old terminal settings */
174         /* 
175          * uncomment the following if you need to know why Citadel exited
176         printf("*** Exit code %d at %s:%d\n", code, file, line);
177         sleep(2);
178          */
179         exit(code);             /* exit with the proper exit code */
180 }
181
182
183
184 /*
185  * signal catching function for hangups...
186  */
187 void dropcarr(int signum)
188 {
189         logoff(NULL, 3);        /* No IPC when server's already gone! */
190 }
191
192
193
194 /*
195  * catch SIGCONT to reset terminal modes when were are put back into the
196  * foreground.
197  */
198 void catch_sigcont(int signum)
199 {
200         stty_ctdl(SB_LAST);
201         signal(SIGCONT, catch_sigcont);
202 }
203
204
205 /* general purpose routines */
206
207 /* display a file */
208 void formout(CtdlIPC *ipc, char *name)
209 {
210         int r;                  /* IPC return code */
211         char buf[SIZ];
212         char *text = NULL;
213
214         r = CtdlIPCSystemMessage(ipc, name, &text, buf);
215         if (r / 100 != 1) {
216                 scr_printf("%s\n", buf);
217                 return;
218         }
219         if (text) {
220                 fmout(screenwidth, NULL, text, NULL,
221                       ((userflags & US_PAGINATOR) ? 1 : 0),
222                       screenheight, 1, 1);
223                 free(text);
224         }
225 }
226
227
228 void userlist(CtdlIPC *ipc, char *patn)
229 {
230         char buf[SIZ];
231         char fl[SIZ];
232         struct tm tmbuf;
233         time_t lc;
234         int r;                          /* IPC response code */
235         char *listing = NULL;
236
237         r = CtdlIPCUserListing(ipc, patn, &listing, buf);
238         if (r / 100 != 1) {
239                 pprintf("%s\n", buf);
240                 return;
241         }
242
243         pprintf("       User Name           Num  L  LastCall  Calls Posts\n");
244         pprintf("------------------------- ----- - ---------- ----- -----\n");
245         if (listing != NULL) while (!IsEmptyStr(listing)) {
246                 extract_token(buf, listing, 0, '\n', sizeof buf);
247                 remove_token(listing, 0, '\n');
248
249                 if (sigcaught == 0) {
250                     extract_token(fl, buf, 0, '|', sizeof fl);
251                     if (pattern(fl, patn) >= 0) {
252                         pprintf("%-25s ", fl);
253                         pprintf("%5ld %d ", extract_long(buf, 2),
254                                extract_int(buf, 1));
255                         lc = extract_long(buf, 3);
256                         localtime_r(&lc, &tmbuf);
257                         pprintf("%02d/%02d/%04d ",
258                                (tmbuf.tm_mon + 1),
259                                tmbuf.tm_mday,
260                                (tmbuf.tm_year + 1900));
261                         pprintf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
262                     }
263
264                 }
265         }
266         free(listing);
267         pprintf("\n");
268 }
269
270
271 /*
272  * grab assorted info about the user...
273  */
274 void load_user_info(char *params)
275 {
276         extract_token(fullname, params, 0, '|', sizeof fullname);
277         axlevel = extract_int(params, 1);
278         timescalled = extract_int(params, 2);
279         posted = extract_int(params, 3);
280         userflags = extract_int(params, 4);
281         usernum = extract_long(params, 5);
282         lastcall = extract_long(params, 6);
283 }
284
285
286 /*
287  * Remove a room from the march list.  'floornum' is ignored unless
288  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
289  * floor will be removed from the march list.
290  */
291 void remove_march(char *roomname, int floornum)
292 {
293         struct march *mptr, *mptr2;
294
295         if (march == NULL)
296                 return;
297
298         if ((!strcasecmp(march->march_name, roomname))
299             || ((!strcasecmp(roomname, "_FLOOR_")) && (march->march_floor == floornum))) {
300                 mptr = march->next;
301                 free(march);
302                 march = mptr;
303                 return;
304         }
305         mptr2 = march;
306         for (mptr = march; mptr != NULL; mptr = mptr->next) {
307
308                 if ((!strcasecmp(mptr->march_name, roomname))
309                     || ((!strcasecmp(roomname, "_FLOOR_"))
310                         && (mptr->march_floor == floornum))) {
311
312                         mptr2->next = mptr->next;
313                         free(mptr);
314                         mptr = mptr2;
315                 } else {
316                         mptr2 = mptr;
317                 }
318         }
319 }
320
321
322 /*
323  * Locate the room on the march list which we most want to go to.  Each room
324  * is measured given a "weight" of preference based on various factors.
325  */
326 char *pop_march(int desired_floor, struct march *_march)
327 {
328         static char TheRoom[ROOMNAMELEN];
329         int TheFloor = 0;
330         int TheOrder = 32767;
331         int TheWeight = 0;
332         int weight;
333         struct march *mptr = NULL;
334
335         strcpy(TheRoom, "_BASEROOM_");
336         if (_march == NULL)
337                 return (TheRoom);
338
339         for (mptr = _march; mptr != NULL; mptr = mptr->next) {
340                 weight = 0;
341                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
342                         weight = weight + 10000;
343                 if (mptr->march_floor == desired_floor)
344                         weight = weight + 5000;
345
346                 weight = weight + ((128 - (mptr->march_floor)) * 128);
347                 weight = weight + (128 - (mptr->march_order));
348
349                 if (weight > TheWeight) {
350                         TheWeight = weight;
351                         strcpy(TheRoom, mptr->march_name);
352                         TheFloor = mptr->march_floor;
353                         TheOrder = mptr->march_order;
354                 }
355         }
356         return (TheRoom);
357 }
358
359
360 /*
361  * jump directly to a room
362  */
363 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
364 {
365         char aaa[SIZ], bbb[SIZ];
366         static long ls = 0L;
367         int newmailcount = 0;
368         int partial_match, best_match;
369         char from_floor;
370         int ugpos = uglistsize;
371         int r;                          /* IPC result code */
372         struct ctdlipcroom *room = NULL;
373
374         /* store ungoto information */
375         if (fromungoto == 0) {
376                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
377                 if (uglistsize >= (UGLISTLEN-1)) {
378                         int lp;
379                         free (uglist[0]);
380                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
381                                 uglist[lp] = uglist[lp+1];
382                                 uglistlsn[lp] = uglistlsn[lp+1];
383                         }
384                         ugpos--;
385                 } else {
386                         uglistsize++;
387                 }
388         
389                 uglist[ugpos] = malloc(strlen(room_name)+1);
390                 strcpy(uglist[ugpos], room_name);
391                 uglistlsn[ugpos] = ls;
392         }
393       
394         /* first try an exact match */
395         r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
396         if (r / 10 == 54) {
397                 newprompt("Enter room password: ", bbb, 9);
398                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
399                 if (r / 10 == 54) {
400                         scr_printf("Wrong password.\n");
401                         return;
402                 }
403         }       
404
405         /*
406          * If a match is not found, try a partial match.
407          * Partial matches anywhere in the string carry a weight of 1,
408          * left-aligned matches carry a weight of 2.  Pick the room that
409          * has the highest-weighted match.  Do not match on forgotten
410          * rooms.
411          */
412         if (r / 100 != 2) {
413                 struct march *march = NULL;
414
415                 best_match = 0;
416                 strcpy(bbb, "");
417
418                 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
419                 if (r / 100 == 1) {
420                         /* Run the roomlist; free the data as we go */
421                         struct march *mp = march;       /* Current */
422
423                         while (mp) {
424                                 partial_match = 0;
425                                 if (pattern(mp->march_name, towhere) >= 0) {
426                                         partial_match = 1;
427                                 }
428                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
429                                         partial_match = 2;
430                                 }
431                                 if (partial_match > best_match) {
432                                         strcpy(bbb, mp->march_name);
433                                         best_match = partial_match;
434                                 }
435                                 /* Both pointers are NULL at end of list */
436                                 march = mp->next;
437                                 free(mp);
438                                 mp = march;
439                         }
440                 }
441
442                 if (IsEmptyStr(bbb)) {
443                         scr_printf("No room '%s'.\n", towhere);
444                         return;
445                 }
446                 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
447         }
448         if (r / 100 != 1 && r / 100 != 2) {
449                 scr_printf("%s\n", aaa);
450                 return;
451         }
452         safestrncpy(room_name, room->RRname, ROOMNAMELEN);
453         room_flags = room->RRflags;
454         room_flags2 = room->RRflags2;
455         from_floor = curr_floor;
456         curr_floor = room->RRfloor;
457
458         remove_march(room_name, 0);
459         if (!strcasecmp(towhere, "_BASEROOM_"))
460                 remove_march(towhere, 0);
461         if (!room->RRunread)
462                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
463         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
464                 if (floorlist[(int) curr_floor][0] == 0)
465                         load_floorlist(ipc);
466                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
467         }
468         if (display_name == 1) {
469                 color(BRIGHT_WHITE);
470                 scr_printf("%s ", room_name);
471                 color(DIM_WHITE);
472                 scr_printf("- ");
473         }
474         if (display_name != 2) {
475                 color(BRIGHT_YELLOW);
476                 scr_printf("%d ", room->RRunread);
477                 color(DIM_WHITE);
478                 scr_printf("new of ");
479                 color(BRIGHT_YELLOW);
480                 scr_printf("%d ", room->RRtotal);
481                 color(DIM_WHITE);
482                 scr_printf("messages.\n");
483         }
484         highest_msg_read = room->RRlastread;
485         maxmsgnum = room->RRhighest;
486         is_mail = room->RRismailbox;
487         is_room_aide = room->RRaide;
488         ls = room->RRlastread;
489
490         /* read info file if necessary */
491         if (room->RRinfoupdated > 0)
492                 readinfo(ipc);
493
494         /* check for newly arrived mail if we can */
495         newmailcount = room->RRnewmail;
496         if (newmailcount > 0) {
497                 color(BRIGHT_RED);
498                 if (newmailcount == 1) {
499                         scr_printf("*** A new mail message has arrived.\n");
500                 }
501                 else {
502                         scr_printf("*** %d new mail messages have arrived.\n",
503                                         newmailcount);
504                 }
505                 color(DIM_WHITE);
506                 if (!IsEmptyStr(rc_gotmail_cmd)) {
507                         system(rc_gotmail_cmd);
508                 }
509         }
510         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location,
511                         room_name, secure, newmailcount);
512         free(room);
513 }
514
515 /* Goto next room having unread messages.
516  * We want to skip over rooms that the user has already been to, and take the
517  * user back to the lobby when done.  The room we end up in is placed in
518  * newroom - which is set to 0 (the lobby) initially.
519  */
520 void gotonext(CtdlIPC *ipc)
521 {
522         char buf[SIZ];
523         struct march *mptr, *mptr2;
524         char next_room[ROOMNAMELEN];
525         int r;                          /* IPC response code */
526
527         /* Check to see if the march-mode list is already allocated.
528          * If it is, pop the first room off the list and go there.
529          */
530         if (march == NULL) {
531                 r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
532                                         AllFloors, &march, buf);
533
534 /* add _BASEROOM_ to the end of the march list, so the user will end up
535  * in the system base room (usually the Lobby>) at the end of the loop
536  */
537                 mptr = (struct march *) malloc(sizeof(struct march));
538                 mptr->next = NULL;
539                 mptr->march_order = 0;
540                 mptr->march_floor = 0;
541                 strcpy(mptr->march_name, "_BASEROOM_");
542                 if (march == NULL) {
543                         march = mptr;
544                 } else {
545                         mptr2 = march;
546                         while (mptr2->next != NULL)
547                                 mptr2 = mptr2->next;
548                         mptr2->next = mptr;
549                 }
550 /*
551  * ...and remove the room we're currently in, so a <G>oto doesn't make us
552  * walk around in circles
553  */
554                 remove_march(room_name, 0);
555         }
556         if (march != NULL) {
557                 strcpy(next_room, pop_march(curr_floor, march));
558         } else {
559                 strcpy(next_room, "_BASEROOM_");
560         }
561         remove_march(next_room, 0);
562         dotgoto(ipc, next_room, 1, 0);
563 }
564
565 /*
566  * forget all rooms on a given floor
567  */
568 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
569 {
570         char buf[SIZ];
571         struct march *flist = NULL;
572         struct march *fptr = NULL;
573         struct ctdlipcroom *room = NULL;
574         int r;                          /* IPC response code */
575
576         scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
577         scr_flush();
578         remove_march("_FLOOR_", ffloor);
579         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
580         if (r / 100 != 1) {
581                 scr_printf("Error %d: %s\n", r, buf);
582                 return;
583         }
584         while (flist) {
585                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
586                 if (r / 100 == 2) {
587                         r = CtdlIPCForgetRoom(ipc, buf);
588                         if (r / 100 != 2) {
589                                 scr_printf("Error %d: %s\n", r, buf);
590                         }
591
592                 }
593                 fptr = flist;
594                 flist = flist->next;
595                 free(fptr);
596         }
597         if (room) free(room);
598 }
599
600
601 /*
602  * routine called by gotofloor() to move to a new room on a new floor
603  */
604 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
605 {
606         int floor_being_left;
607
608         floor_being_left = curr_floor;
609
610         if (mode == GF_GOTO) {          /* <;G>oto mode */
611                 updatels(ipc);
612                 dotgoto(ipc, towhere, 1, 0);
613         }
614         else if (mode == GF_SKIP) {     /* <;S>kip mode */
615                 dotgoto(ipc, towhere, 1, 0);
616                 remove_march("_FLOOR_", floor_being_left);
617         }
618         else if (mode == GF_ZAP) {      /* <;Z>ap mode */
619                 dotgoto(ipc, towhere, 1, 0);
620                 remove_march("_FLOOR_", floor_being_left);
621                 forget_all_rooms_on(ipc, floor_being_left);
622         }
623 }
624
625
626 /*
627  * go to a new floor
628  */
629 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
630 {
631         int a, tofloor;
632         int r;          /* IPC response code */
633         struct march *mptr;
634         char buf[SIZ], targ[SIZ];
635
636         if (floorlist[0][0] == 0)
637                 load_floorlist(ipc);
638         tofloor = (-1);
639         for (a = 0; a < 128; ++a)
640                 if (!strcasecmp(&floorlist[a][0], towhere))
641                         tofloor = a;
642
643         if (tofloor < 0) {
644                 for (a = 0; a < 128; ++a) {
645                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
646                                 tofloor = a;
647                         }
648                 }
649         }
650         if (tofloor < 0) {
651                 for (a = 0; a < 128; ++a)
652                         if (pattern(towhere, &floorlist[a][0]) > 0)
653                                 tofloor = a;
654         }
655         if (tofloor < 0) {
656                 scr_printf("No floor '%s'.\n", towhere);
657                 return;
658         }
659         for (mptr = march; mptr != NULL; mptr = mptr->next) {
660                 if ((mptr->march_floor) == tofloor) {
661                         gf_toroom(ipc, mptr->march_name, mode);
662                         return;
663                 }
664         }
665
666         /* Find first known room on the floor */
667
668         strcpy(targ, "");
669         mptr = NULL;
670         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
671         if (r / 100 == 1) {
672                 struct march *tmp = mptr;
673
674                 /*. . . according to room order */
675                 if (mptr)
676             strcpy(targ, pop_march(tofloor, mptr));
677                 while (mptr) {
678                         tmp = mptr->next;
679                         free(mptr);
680                         mptr = tmp;
681                 }
682         }
683         if (!IsEmptyStr(targ)) {
684                 gf_toroom(ipc, targ, mode);
685                 return;
686         }
687
688         /* No known rooms on the floor; unzap the first one then */
689
690         strcpy(targ, "");
691         mptr = NULL;
692         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
693         if (r / 100 == 1) {
694                 struct march *tmp = mptr;
695                 
696         /*. . . according to room order */
697                 if (mptr)
698                         strcpy(targ, pop_march(tofloor, mptr));
699                 while (mptr) {
700                         tmp = mptr->next;
701                         free(mptr);
702                         mptr = tmp;
703                 }
704         }
705         if (!IsEmptyStr(targ)) {
706                 gf_toroom(ipc, targ, mode);
707         } else {
708                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
709         }
710 }
711
712 /*
713  * Indexing mechanism for a room list, called by gotoroomstep()
714  */
715 void room_tree_list_query(struct ctdlroomlisting *rp, char *findrmname, int findrmslot, char *rmname, int *rmslot, int *rmtotal)
716 {
717         char roomname[ROOMNAMELEN];
718         static int cur_rmslot = 0;
719
720         if (rp == NULL) {
721                 cur_rmslot = 0;
722                 return;
723         }
724
725         if (rp->lnext != NULL) {
726                 room_tree_list_query(rp->lnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
727         }
728
729         if (sigcaught == 0) {
730                 strcpy(roomname, rp->rlname);
731
732                 if (rmname != NULL) {
733                         if (cur_rmslot == findrmslot) {
734                                 strcpy(rmname, roomname);
735                         }
736                 }
737                 if (rmslot != NULL) {
738                         if (!strcmp(roomname, findrmname)) {
739                                 *rmslot = cur_rmslot;
740                         }
741                 }
742                 cur_rmslot++;
743         }
744
745         if (rp->rnext != NULL) {
746                 room_tree_list_query(rp->rnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
747         }
748
749         if ((rmname == NULL) && (rmslot == NULL))
750                 free(rp);
751
752         if (rmtotal != NULL) {
753                 *rmtotal = cur_rmslot;
754         }
755 }
756
757 /*
758  * step through rooms on current floor
759  */
760 void  gotoroomstep(CtdlIPC *ipc, int direction, int mode)
761 {
762         struct march *listing = NULL;
763         struct march *mptr;
764         int r;          /* IPC response code */
765         char buf[SIZ];
766         struct ctdlroomlisting *rl = NULL;
767         struct ctdlroomlisting *rp;
768         struct ctdlroomlisting *rs;
769         int list_it;
770         char rmname[ROOMNAMELEN];
771         int rmslot = 0;
772         int rmtotal;
773         struct ctdlroom *attr = NULL;
774
775         /* Fetch the existing room config */
776         r = CtdlIPCGetRoomAttributes(ipc, &attr, buf);
777         if (r / 100 != 2) {
778                 scr_printf("%s\n", buf);
779                 return;
780         }
781         strcpy (room_name , attr->QRname); 
782         free(attr);
783
784         /* Ask the server for a room list */
785         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, (-1), &listing, buf);
786         if (r / 100 != 1) {
787                 listing = NULL;
788         }
789
790         load_floorlist(ipc);
791
792         for (mptr = listing; mptr != NULL; mptr = mptr->next) {
793                 list_it = 1;
794
795                 if ( floor_mode 
796                          && (mptr->march_floor != curr_floor))
797                         list_it = 0;
798
799                 if (list_it) {
800                         rp = malloc(sizeof(struct ctdlroomlisting));
801                         strncpy(rp->rlname, mptr->march_name, ROOMNAMELEN);
802                         rp->rlflags = mptr->march_flags;
803                         rp->rlfloor = mptr->march_floor;
804                         rp->rlorder = mptr->march_order;
805                         rp->lnext = NULL;
806                         rp->rnext = NULL;
807
808                         rs = rl;
809                         if (rl == NULL) {
810                                 rl = rp;
811                         } else {
812                                 while (rp != NULL) {
813                                         if (rordercmp(rp, rs) < 0) {
814                                                 if (rs->lnext == NULL) {
815                                                         rs->lnext = rp;
816                                                         rp = NULL;
817                                                 } else {
818                                                         rs = rs->lnext;
819                                                 }
820                                         } else {
821                                                 if (rs->rnext == NULL) {
822                                                         rs->rnext = rp;
823                                                         rp = NULL;
824                                                 } else {
825                                                         rs = rs->rnext;
826                                                 }
827                                         }
828                                 }
829                         }
830                 }
831         }
832
833         /* Find position of current room */
834         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
835         room_tree_list_query(rl,  room_name, 0, NULL, &rmslot, &rmtotal);
836
837         if (direction == 0) { /* Previous room */
838                 /* If we're at the first room, wrap to the last room */
839                 if (rmslot == 0) {
840                         rmslot = rmtotal - 1;
841                 } else {
842                         rmslot--;
843                 }
844         } else {                 /* Next room */
845                 /* If we're at the last room, wrap to the first room */
846                 if (rmslot == rmtotal - 1) {
847                         rmslot = 0; 
848                 } else {
849                         rmslot++;
850                 }
851         }
852
853         /* Get name of next/previous room */
854         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
855         room_tree_list_query(rl,  NULL, rmslot, rmname, NULL, NULL);
856
857         /* Free the tree */
858         room_tree_list_query(rl, NULL, 0, NULL, NULL, NULL);
859
860         if (mode == 0) { /* not skipping */
861             updatels(ipc);
862         } else {
863                 if (rc_alt_semantics) {
864                 updatelsa(ipc);
865                 }
866         }
867
868         /* Free the room list */
869         while (listing) {
870                 mptr = listing->next;
871                 free(listing);
872                 listing = mptr;
873         };
874
875         dotgoto(ipc, rmname, 1, 0);
876 }
877
878
879 /*
880  * step through floors on system
881  */
882 void  gotofloorstep(CtdlIPC *ipc, int direction, int mode)
883 {
884         int  tofloor;
885
886         if (floorlist[0][0] == 0)
887                 load_floorlist(ipc);
888
889         empty_keep_going:
890
891         if (direction == 0) { /* Previous floor */
892                 if (curr_floor) tofloor = curr_floor - 1;
893                 else tofloor = 127;
894
895                 while (!floorlist[tofloor][0]) tofloor--;
896         } else {                   /* Next floor */
897                 if (curr_floor < 127) tofloor = curr_floor + 1;
898                 else tofloor = 0;
899
900                 while (!floorlist[tofloor][0] && tofloor < 127) tofloor++;
901                 if (!floorlist[tofloor][0])     tofloor = 0;
902         }
903         /* ;g works when not in floor mode so . . . */
904         if (!floor_mode) {
905                 scr_printf("(%s)\n", floorlist[tofloor] );
906         }
907
908         gotofloor(ipc, floorlist[tofloor], mode);
909         if (curr_floor != tofloor) { /* gotofloor failed */
910              curr_floor = tofloor;
911              goto empty_keep_going;
912         }            
913 }
914
915 /* 
916  * Display user 'preferences'.
917  */
918 extern int rc_prompt_control;
919 void read_config(CtdlIPC *ipc)
920 {
921         char buf[SIZ];
922         char *resp = NULL;
923         int r;                  /* IPC response code */
924     char _fullname[USERNAME_SIZE];
925         long _usernum;
926         int _axlevel, _timescalled, _posted;
927         time_t _lastcall;
928         struct ctdluser *user = NULL;
929
930         /* get misc user info */   
931         r = CtdlIPCGetBio(ipc, fullname, &resp, buf);
932         if (r / 100 != 1) {
933                 pprintf("%s\n", buf);
934                 return;
935         }
936         extract_token(_fullname, buf, 1, '|', sizeof fullname);
937         _usernum = extract_long(buf, 2);
938         _axlevel = extract_int(buf, 3);
939         _lastcall = extract_long(buf, 4);
940     _timescalled = extract_int(buf, 5);
941         _posted = extract_int(buf, 6);
942         free(resp);
943         resp = NULL;
944    
945         /* get preferences */
946         r = CtdlIPCGetConfig(ipc, &user, buf);
947         if (r / 100 != 2) {
948                 scr_printf("%s\n", buf);
949                 free(user);
950                 return;
951         }
952
953         /* show misc user info */
954         scr_printf("%s\nAccess level: %d (%s)\n"
955                    "User #%ld / %d Calls / %d Posts",
956                    _fullname, _axlevel, axdefs[(int) _axlevel],
957                    _usernum, _timescalled, _posted);
958         if (_lastcall > 0L) {
959                 scr_printf(" / Curr login: %s",
960                            asctime(localtime(&_lastcall)));
961         }
962         scr_printf("\n");
963
964         /* show preferences */
965         scr_printf("Your screen width: ");                                     color(BRIGHT_CYAN); scr_printf("%d",   /*user->USscreenwidth*/ screenwidth);          color(DIM_WHITE); 
966         scr_printf(", height: ");                                              color(BRIGHT_CYAN); scr_printf("%d\n", /*user->USscreenheight*/ screenheight);        color(DIM_WHITE);  
967         scr_printf("Are you an experienced Citadel user: ");                   color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXPERT) ? "Yes" : "No");     color(DIM_WHITE);
968         scr_printf("Print last old message on New message request: ");         color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_LASTOLD)? "Yes" : "No");     color(DIM_WHITE);
969         scr_printf("Prompt after each message: ");                             color(BRIGHT_CYAN); scr_printf("%s\n", (!(user->flags & US_NOPROMPT))? "Yes" : "No"); color(DIM_WHITE);
970         if ((user->flags & US_NOPROMPT) == 0) {
971         scr_printf("Use 'disappearing' prompts: ");                        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_DISAPPEAR)? "Yes" : "No");   color(DIM_WHITE);
972         }
973         scr_printf("Pause after each screenful of text: ");                    color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PAGINATOR)? "Yes" : "No");   color(DIM_WHITE);
974     if (rc_prompt_control == 3 && (user->flags & US_PAGINATOR)) {
975         scr_printf("<N>ext and <S>top work at paginator prompt: ");        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PROMPTCTL)? "Yes" : "No");   color(DIM_WHITE);
976         }
977     if (rc_floor_mode == RC_DEFAULT) {
978         scr_printf("View rooms by floor: ");                               color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_FLOORS)? "Yes" : "No");          color(DIM_WHITE);
979         }
980         if (rc_ansi_color == 3) {
981             scr_printf("Enable color support: ");                              color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_COLOR)? "Yes" : "No");       color(DIM_WHITE);
982         }
983         scr_printf("Be unlisted in userlog: ");                                color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_UNLISTED)? "Yes" : "No");    color(DIM_WHITE);
984         if (!IsEmptyStr(editor_paths[0])) {
985         scr_printf("Always enter messages with the full-screen editor: "); color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXTEDIT)? "Yes" : "No");     color(DIM_WHITE);
986         }
987         free(user);
988 }
989
990 /*
991  * Display system statistics.
992  */
993 void system_info(CtdlIPC *ipc)
994 {
995         char buf[SIZ];
996         char *resp = NULL;
997         size_t bytes;
998         int mrtg_users, mrtg_active_users; 
999         char mrtg_server_uptime[40];
1000         long mrtg_himessage;
1001         int ret;                        /* IPC response code */
1002
1003         /* get #users, #active & server uptime */
1004         ret = CtdlIPCGenericCommand(ipc, "MRTG|users", NULL, 0, &resp, &bytes, buf);
1005         mrtg_users = extract_int(resp, 0);
1006         remove_token(resp, 0, '\n');
1007         mrtg_active_users = extract_int(resp, 0);
1008         remove_token(resp, 0, '\n');
1009         extract_token(mrtg_server_uptime, resp, 0, '\n', sizeof mrtg_server_uptime);
1010     free(resp);
1011         resp = NULL;
1012
1013         /* get high message# */
1014         ret = CtdlIPCGenericCommand(ipc, "MRTG|messages", NULL, 0, &resp, &bytes, buf);
1015         mrtg_himessage = extract_long(resp, 0);
1016         free(resp);
1017         resp = NULL;
1018
1019         /* refresh server info just in case */
1020         CtdlIPCServerInfo(ipc, buf);
1021
1022         scr_printf("You are connected to %s (%s) @%s\n", ipc->ServInfo.nodename, ipc->ServInfo.humannode, ipc->ServInfo.fqdn);
1023         scr_printf("running %s with text client v%.2f,\n", ipc->ServInfo.software, (float)REV_LEVEL/100);
1024     scr_printf("and located in %s.\n", ipc->ServInfo.site_location);
1025     scr_printf("Connected users %d / Active users %d / Highest message #%ld\n", mrtg_users, mrtg_active_users, mrtg_himessage);
1026     scr_printf("Server uptime: %s\n", mrtg_server_uptime);
1027     scr_printf("Your system administrator is %s.\n", ipc->ServInfo.sysadm);
1028     scr_printf("Copyright (C)1987-2007 by the Citadel development team\n");
1029 }
1030
1031 /*
1032  * forget all rooms on current floor
1033  */
1034 void forget_this_floor(CtdlIPC *ipc)
1035 {
1036         if (curr_floor == 0) {
1037                 scr_printf("Can't forget this floor.\n");
1038                 return;
1039         }
1040         if (floorlist[0][0] == 0) {
1041                 load_floorlist(ipc);
1042         }
1043         scr_printf("Are you sure you want to forget all rooms on %s? ",
1044                &floorlist[(int) curr_floor][0]);
1045         if (yesno() == 0) {
1046                 return;
1047         }
1048
1049         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
1050 }
1051
1052
1053 /* 
1054  * Figure out the physical screen dimensions, if we can
1055  * WARNING:  this is now called from a signal handler!
1056  */
1057 void check_screen_dims(void)
1058 {
1059 #ifdef TIOCGWINSZ
1060         struct {
1061                 unsigned short height;  /* rows */
1062                 unsigned short width;   /* columns */
1063                 unsigned short xpixels;
1064                 unsigned short ypixels;         /* pixels */
1065         } xwinsz;
1066
1067         if (have_xterm) {       /* dynamically size screen if on an xterm */
1068                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
1069                         if (xwinsz.height)
1070                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
1071                         if (xwinsz.width)
1072                                 screenwidth = (int) xwinsz.width;
1073                 }
1074         }
1075 #endif
1076 }
1077
1078
1079 /*
1080  * set floor mode depending on client, server, and user settings
1081  */
1082 void set_floor_mode(CtdlIPC* ipc)
1083 {
1084         if (ipc->ServInfo.ok_floors == 0) {
1085                 floor_mode = 0; /* Don't use floors if the server */
1086         }
1087         /* doesn't support them!          */
1088         else {
1089                 if (rc_floor_mode == RC_NO) {   /* never use floors */
1090                         floor_mode = 0;
1091                 }
1092                 if (rc_floor_mode == RC_YES) {  /* always use floors */
1093                         floor_mode = 1;
1094                 }
1095                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
1096                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
1097                 }
1098         }
1099 }
1100
1101 /*
1102  * Set or change the user's password
1103  */
1104 int set_password(CtdlIPC *ipc)
1105 {
1106         char pass1[20];
1107         char pass2[20];
1108         char buf[SIZ];
1109
1110         if (!IsEmptyStr(rc_password)) {
1111                 strcpy(pass1, rc_password);
1112                 strcpy(pass2, rc_password);
1113         } else {
1114                 IFNEXPERT formout(ipc, "changepw");
1115                 newprompt("Enter a new password: ", pass1, -19);
1116                 newprompt("Enter it again to confirm: ", pass2, -19);
1117         }
1118         strproc(pass1);
1119         strproc(pass2);
1120         if (!strcasecmp(pass1, pass2)) {
1121                 CtdlIPCChangePassword(ipc, pass1, buf);
1122                 scr_printf("%s\n", buf);
1123                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
1124                 return (0);
1125         } else {
1126                 scr_printf("*** They don't match... try again.\n");
1127                 return (1);
1128         }
1129 }
1130
1131
1132
1133 /*
1134  * get info about the server we've connected to
1135  */
1136 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
1137 {
1138         char buf[SIZ];
1139
1140         CtdlIPCServerInfo(ipc, buf);
1141
1142         /* be nice and identify ourself to the server */
1143         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
1144                  (ipc->isLocal ? "local" : CITADEL),
1145                  (supplied_hostname) ? supplied_hostname : 
1146                  /* Look up the , in the bible if you're confused */
1147                  (locate_host(ipc, buf), buf), buf);
1148
1149         /*
1150          * Tell the server what our preferred content formats are.
1151          *
1152          * Originally we preferred HTML over plain text because we can format
1153          * it to the reader's screen width, but since our HTML-to-text parser
1154          * isn't really all that great, it's probably better to just go with
1155          * the plain text when we have it available.
1156          *
1157          * We also indicate to the server that we prefer to decode Base64 and
1158          * quoted-printable on the client side.
1159          */
1160         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "dont_decode") / 100 ) != 2) {
1161                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1162                 logoff(ipc, 0);
1163         }
1164         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/plain|text/html") / 100 ) != 2) {
1165                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1166                 logoff(ipc, 0);
1167         }
1168 }
1169
1170
1171
1172 /*
1173  * Record compare function for SortOnlineUsers()
1174  */
1175 int idlecmp(const void *rec1, const void *rec2) {
1176         time_t i1, i2;
1177
1178         i1 = extract_long(rec1, 5);
1179         i2 = extract_long(rec2, 5);
1180
1181         if (i1 < i2) return(1);
1182         if (i1 > i2) return(-1);
1183         return(0);
1184 }
1185
1186
1187 /*
1188  * Sort the list of online users by idle time.
1189  * This function frees the supplied buffer, and returns a new one
1190  * to the caller.  The caller is responsible for freeing the returned buffer.
1191  */
1192 char *SortOnlineUsers(char *listing) {
1193         int rows;
1194         char *sortbuf;
1195         char *retbuf;
1196         char buf[SIZ];
1197         int i;
1198
1199         rows = num_tokens(listing, '\n');
1200         sortbuf = malloc(rows * SIZ);
1201         if (sortbuf == NULL) return(listing);
1202         retbuf = malloc(rows * SIZ);
1203         if (retbuf == NULL) {
1204                 free(sortbuf);
1205                 return(listing);
1206         }
1207
1208         /* Copy the list into a fixed-record-size array for sorting */
1209         for (i=0; i<rows; ++i) {
1210                 memset(buf, 0, SIZ);
1211                 extract_token(buf, listing, i, '\n', sizeof buf);
1212                 memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
1213         }
1214
1215         /* Do the sort */
1216         qsort(sortbuf, rows, SIZ, idlecmp);
1217
1218         /* Copy back to a \n delimited list */
1219         strcpy(retbuf, "");
1220         for (i=0; i<rows; ++i) {
1221                 strcat(retbuf, &sortbuf[i*SIZ]);
1222                 if (i<(rows-1)) strcat(retbuf, "\n");
1223         }
1224     free(listing);
1225     free(sortbuf);
1226         return(retbuf);
1227 }
1228
1229
1230
1231 /*
1232  * Display list of users currently logged on to the server
1233  */
1234 void who_is_online(CtdlIPC *ipc, int longlist)
1235 {
1236         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
1237         char flags[SIZ];
1238         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
1239         char clientsoft[SIZ];
1240         time_t timenow = 0;
1241         time_t idletime, idlehours, idlemins, idlesecs;
1242         int last_session = (-1);
1243         int skipidle = 0;
1244         char *listing = NULL;
1245         int r;                          /* IPC response code */
1246     
1247         if (longlist == 2) {
1248                 longlist = 0;
1249                 skipidle = 1;
1250         }
1251
1252         if (!longlist) {
1253                 color(BRIGHT_WHITE);
1254                 pprintf("           User Name               Room          ");
1255                 if (screenwidth >= 80) pprintf(" Idle        From host");
1256                 pprintf("\n");
1257                 color(DIM_WHITE);
1258                 pprintf("   ------------------------- --------------------");
1259                 if (screenwidth >= 80) pprintf(" ---- ------------------------");
1260                 pprintf("\n");
1261         }
1262         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
1263         listing = SortOnlineUsers(listing);
1264         if (r / 100 == 1) {
1265                 while (!IsEmptyStr(listing)) {
1266                         int isidle = 0;
1267                         
1268                         /* Get another line */
1269                         extract_token(buf, listing, 0, '\n', sizeof buf);
1270                         remove_token(listing, 0, '\n');
1271
1272                         extract_token(username, buf, 1, '|', sizeof username);
1273                         extract_token(roomname, buf, 2, '|', sizeof roomname);
1274                         extract_token(fromhost, buf, 3, '|', sizeof fromhost);
1275                         extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
1276                         extract_token(flags, buf, 7, '|', sizeof flags);
1277
1278                         idletime = timenow - extract_long(buf, 5);
1279                         idlehours = idletime / 3600;
1280                         idlemins = (idletime - (idlehours * 3600)) / 60;
1281                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
1282
1283                         if (idletime > rc_idle_threshold) {
1284                                 if (skipidle) {
1285                                         isidle = 1;
1286                                 }
1287                         }
1288
1289                         if (longlist) {
1290                                 extract_token(actual_user, buf, 8, '|', sizeof actual_user);
1291                                 extract_token(actual_room, buf, 9, '|', sizeof actual_room);
1292                                 extract_token(actual_host, buf, 10, '|', sizeof actual_host);
1293
1294                                 pprintf("  Flags: %s\n", flags);
1295                                 pprintf("Session: %d\n", extract_int(buf, 0));
1296                                 pprintf("   Name: %s\n", username);
1297                                 pprintf("In room: %s\n", roomname);
1298                                 pprintf("   Host: %s\n", fromhost);
1299                                 pprintf(" Client: %s\n", clientsoft);
1300                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
1301                                         (long) idlehours,
1302                                         (long) idlemins,
1303                                         (long) idlesecs);
1304
1305                                 if ( (!IsEmptyStr(actual_user)&&
1306                                       !IsEmptyStr(actual_room)&&
1307                                       !IsEmptyStr(actual_host))) {
1308                                         pprintf("(really ");
1309                                         if (!IsEmptyStr(actual_user)) pprintf("<%s> ", actual_user);
1310                                         if (!IsEmptyStr(actual_room)) pprintf("in <%s> ", actual_room);
1311                                         if (!IsEmptyStr(actual_host)) pprintf("from <%s> ", actual_host);
1312                                         pprintf(")\n");
1313                                 }
1314                                 pprintf("\n");
1315
1316                         } else {
1317                                 if (isidle == 0) {
1318                                         if (extract_int(buf, 0) == last_session) {
1319                                                 pprintf("        ");
1320                                         }
1321                                         else {
1322                                                 color(BRIGHT_MAGENTA);
1323                                                 pprintf("%-3s", flags);
1324                                         }
1325                                         last_session = extract_int(buf, 0);
1326                                         color(BRIGHT_CYAN);
1327                                         pprintf("%-25s ", username);
1328                                         color(BRIGHT_MAGENTA);
1329                                         roomname[20] = 0;
1330                                         pprintf("%-20s", roomname);
1331
1332                                         if (screenwidth >= 80) {
1333                                                 pprintf(" ");
1334                                                 if (idletime > rc_idle_threshold) {
1335                                                         /* over 1000d, must be gone fishing */
1336                                                         if (idlehours > 23999) {
1337                                                                 pprintf("fish");
1338                                                         /* over 10 days */
1339                                                         } else if (idlehours > 239) {
1340                                                                 pprintf("%3ldd", idlehours / 24);
1341                                                         /* over 10 hours */
1342                                                         } else if (idlehours > 9) {
1343                                                                 pprintf("%1ldd%02ld",
1344                                                                         idlehours / 24,
1345                                                                         idlehours % 24);
1346                                                         /* less than 10 hours */
1347                                                         }
1348                                                         else {
1349                                                                 pprintf("%1ld:%02ld", idlehours, idlemins);
1350                                                         }
1351                                                 }
1352                                                 else {
1353                                                         pprintf("    ");
1354                                                 }
1355                                                 pprintf(" ");
1356                                                 color(BRIGHT_CYAN);
1357                                                 fromhost[24] = '\0';
1358                                                 pprintf("%-24s", fromhost);
1359                                         }
1360                                         pprintf("\n");
1361                                         color(DIM_WHITE);
1362                                 }
1363                         }
1364                 }
1365         }
1366         free(listing);
1367 }
1368
1369 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
1370 {
1371         char bbb[128];
1372         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
1373         newprompt(bbb, buf, maxlen);
1374 }
1375
1376
1377
1378 int shift(int argc, char **argv, int start, int count) {
1379         int i;
1380
1381         for (i=start; i<(argc-count); ++i) {
1382                 argv[i] = argv[i+count];
1383         }
1384         argc = argc - count;
1385         return argc;
1386 }
1387
1388 static void statusHook(char *s) {
1389         sln_printf(s);
1390         sln_flush();
1391 }
1392
1393 /*
1394  * main
1395  */
1396 int main(int argc, char **argv)
1397 {
1398         int a, b, mcmd;
1399         char aaa[100], bbb[100];/* general purpose variables */
1400         char argbuf[64];        /* command line buf */
1401         char nonce[NONCE_SIZE];
1402         char *telnet_client_host = NULL;
1403         char *sptr, *sptr2;     /* USed to extract the nonce */
1404         char hexstring[MD5_HEXSTRING_SIZE];
1405         int stored_password = 0;
1406         char password[SIZ];
1407         struct ctdlipcmisc chek;
1408         struct ctdluser *myself = NULL;
1409         CtdlIPC* ipc;                   /* Our server connection */
1410         int r;                          /* IPC result code */
1411
1412         int relh=0;
1413         int home=0;
1414         char relhome[PATH_MAX]="";
1415         char ctdldir[PATH_MAX]=CTDLDIR;
1416     int lp; 
1417 #ifdef HAVE_BACKTRACE
1418         eCrashParameters params;
1419 //      eCrashSymbolTable symbol_table;
1420 #endif
1421         CtdlInitBase64Table();
1422         calc_dirs_n_files(relh, home, relhome, ctdldir, 0);
1423
1424 #ifdef HAVE_BACKTRACE
1425         bzero(&params, sizeof(params));
1426         params.filename = file_pid_paniclog;
1427 //      panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
1428         params.filep = fopen(file_pid_paniclog, "a+");
1429         params.debugLevel = ECRASH_DEBUG_VERBOSE;
1430         params.dumpAllThreads = TRUE;
1431         params.useBacktraceSymbols = 1;
1432 ///     BuildSymbolTable(&symbol_table);
1433 //      params.symbolTable = &symbol_table;
1434         params.signals[0]=SIGSEGV;
1435         params.signals[1]=SIGILL;
1436         params.signals[2]=SIGBUS;
1437         params.signals[3]=SIGABRT;
1438
1439         eCrash_Init(&params);
1440 #endif  
1441         setIPCDeathHook(screen_delete);
1442         setIPCErrorPrintf(err_printf);
1443         setCryptoStatusHook(statusHook);
1444         
1445         /* Permissions sanity check - don't run citadel setuid/setgid */
1446         if (getuid() != geteuid()) {
1447                 err_printf("Please do not run citadel setuid!\n");
1448                 logoff(NULL, 3);
1449         } else if (getgid() != getegid()) {
1450                 err_printf("Please do not run citadel setgid!\n");
1451                 logoff(NULL, 3);
1452         }
1453
1454         stty_ctdl(SB_SAVE);     /* Store the old terminal parameters */
1455         load_command_set();     /* parse the citadel.rc file */
1456         stty_ctdl(SB_NO_INTR);  /* Install the new ones */
1457         /* signal(SIGHUP, dropcarr);FIXME */    /* Cleanup gracefully if carrier is dropped */
1458         signal(SIGPIPE, dropcarr);      /* Cleanup gracefully if local conn. dropped */
1459         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
1460         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1461 #ifdef SIGWINCH
1462         signal(SIGWINCH, scr_winch);    /* Window resize signal */
1463 #endif
1464
1465 #ifdef HAVE_OPENSSL
1466         arg_encrypt = RC_DEFAULT;
1467 #endif
1468 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1469         arg_screen = RC_DEFAULT;
1470 #endif
1471
1472         /* 
1473          * Handle command line options as if we were called like /bin/login
1474          * (i.e. from in.telnetd)
1475          */
1476         for (a=0; a<argc; ++a) {
1477                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1478                         telnet_client_host = argv[a+1];
1479                         argc = shift(argc, argv, a, 2);
1480                 }
1481                 if (!strcmp(argv[a], "-x")) {
1482 #ifdef HAVE_OPENSSL
1483                         arg_encrypt = RC_NO;
1484 #endif
1485                         argc = shift(argc, argv, a, 1);
1486                 }
1487                 if (!strcmp(argv[a], "-X")) {
1488 #ifdef HAVE_OPENSSL
1489                         arg_encrypt = RC_YES;
1490                         argc = shift(argc, argv, a, 1);
1491 #else
1492                         fprintf(stderr, "Not compiled with encryption support");
1493                         return 1;
1494 #endif
1495                 }
1496                 if (!strcmp(argv[a], "-s")) {
1497 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1498                         arg_screen = RC_NO;
1499 #endif
1500                         argc = shift(argc, argv, a, 1);
1501                 }
1502                 if (!strcmp(argv[a], "-S")) {
1503 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1504                         arg_screen = RC_YES;
1505 #endif
1506                         argc = shift(argc, argv, a, 1);
1507                 }
1508                 if (!strcmp(argv[a], "-p")) {
1509                         struct stat st;
1510                 
1511                         if (chdir(CTDLDIR) < 0) {
1512                                 perror("can't change to " CTDLDIR);
1513                                 logoff(NULL, 3);
1514                         }
1515
1516                         /*
1517                          * Drop privileges if necessary. We stat
1518                          * citadel.config to get the uid/gid since it's
1519                          * guaranteed to have the uid/gid we want.
1520                          */
1521                         if (!getuid() || !getgid()) {
1522                                 if (stat(file_citadel_config, &st) < 0) {
1523                                         perror("couldn't stat citadel.config");
1524                                         logoff(NULL, 3);
1525                                 }
1526                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1527                                         perror("couldn't change gid");
1528                                         logoff(NULL, 3);
1529                                 }
1530                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1531                                         perror("couldn't change uid");
1532                                         logoff(NULL, 3);
1533                                 }
1534                                 /*
1535                                   scr_printf("Privileges changed to uid %d gid %d\n",
1536                                   getuid(), getgid());
1537                                 */
1538                         }
1539                         argc = shift(argc, argv, a, 1);
1540                 }
1541         }
1542         
1543
1544         screen_new();
1545
1546 #ifdef __CYGWIN__
1547         newprompt("Connect to (return for local server): ", hostbuf, 64);
1548 #endif
1549
1550         sln_printf("Attaching to server... \r");
1551         sln_flush();
1552         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1553         if (!ipc) {
1554                 screen_delete();
1555                 error_printf("Can't connect: %s\n", strerror(errno));
1556                 logoff(NULL, 3);
1557         }
1558 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1559         CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1560 #endif
1561         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1562
1563         CtdlIPC_chat_recv(ipc, aaa);
1564         if (aaa[0] != '2') {
1565                 scr_printf("%s\n", &aaa[4]);
1566                 logoff(ipc, atoi(aaa));
1567         }
1568
1569         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1570          * is zeroized.
1571          */
1572         
1573         if ((sptr = strchr(aaa, '<')) == NULL)
1574                 {
1575                         nonce[0] = '\0';
1576                 }
1577         else
1578                 {
1579                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1580                                 {
1581                                         nonce[0] = '\0';
1582                                 }
1583                         else
1584                                 {
1585                                         sptr2++;
1586                                         *sptr2 = '\0';
1587                                         strncpy(nonce, sptr, (size_t)NONCE_SIZE);
1588                                 }
1589                 }
1590
1591 #ifdef HAVE_OPENSSL
1592         /* Evaluate encryption preferences */
1593         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1594                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1595                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1596                         if (!secure)
1597                                 error_printf("Can't encrypt: %s\n", aaa);
1598                 }
1599         }
1600 #endif
1601
1602         get_serv_info(ipc, telnet_client_host);
1603         scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
1604                    ipc->ServInfo.site_location);
1605         scr_flush();
1606
1607         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location, NULL,
1608                     secure, -1);
1609
1610         screenwidth = 80;       /* default screen dimensions */
1611         screenheight = 24;
1612         
1613         scr_printf(" pause    next    stop\n");
1614         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1615         formout(ipc, "hello");  /* print the opening greeting */
1616         scr_printf("\n");
1617
1618  GSTA:  /* See if we have a username and password on disk */
1619         if (rc_remember_passwords) {
1620                 get_stored_password(hostbuf, portbuf, fullname, password);
1621                 if (!IsEmptyStr(fullname)) {
1622                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1623                         if (r / 100 == 3) {
1624                                 if (*nonce) {
1625                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1626                                 } else {
1627                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1628                                 }
1629                         }
1630
1631                         if (r / 100 == 2) {
1632                                 load_user_info(aaa);
1633                                 stored_password = 1;
1634                                 goto PWOK;
1635                         } else {
1636                                 set_stored_password(hostbuf, portbuf, "", "");
1637                         }
1638                 }
1639         }
1640
1641         termn8 = 0;
1642         newnow = 0;
1643         do {
1644                 if (!IsEmptyStr(rc_username)) {
1645                         strcpy(fullname, rc_username);
1646                 } else {
1647                         newprompt("Enter your name: ", fullname, 29);
1648                 }
1649                 strproc(fullname);
1650                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1651                         scr_printf("Please enter the name you wish to log in with.\n");
1652                 }
1653         } while (
1654                  (!strcasecmp(fullname, "bbs"))
1655                  || (!strcasecmp(fullname, "new"))
1656                  || (IsEmptyStr(fullname)));
1657
1658         if (!strcasecmp(fullname, "off")) {
1659                 mcmd = 29;
1660                 goto TERMN8;
1661         }
1662         /* sign on to the server */
1663         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1664         if (r / 100 != 3)
1665                 goto NEWUSR;
1666
1667         /* password authentication */
1668         if (!IsEmptyStr(rc_password)) {
1669                 strcpy(password, rc_password);
1670         } else {
1671                 newprompt("\rPlease enter your password: ", password, -19);
1672         }
1673         strproc(password);
1674
1675         if (*nonce) {
1676                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1677         } else {
1678                 r = CtdlIPCTryPassword(ipc, password, aaa);
1679         }
1680         
1681         if (r / 100 == 2) {
1682                 load_user_info(aaa);
1683                 offer_to_remember_password(ipc, hostbuf, portbuf,
1684                                            fullname, password);
1685                 goto PWOK;
1686         }
1687         scr_printf("<< wrong password >>\n");
1688         if (!IsEmptyStr(rc_password))
1689                 logoff(ipc, 2);
1690         goto GSTA;
1691
1692 NEWUSR: if (IsEmptyStr(rc_password)) {
1693                 scr_printf("'%s' not found.\n", fullname);
1694                 scr_printf("Type 'off' if you would like to exit.\n");
1695                 if (ipc->ServInfo.newuser_disabled == 1) {
1696                         goto GSTA;
1697                 }
1698                 scr_printf("Do you want to create a new user account called '%s'? ",
1699                         fullname);
1700                 if (yesno() == 0) {
1701                         goto GSTA;
1702                 }
1703         }
1704
1705         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1706         if (r / 100 != 2) {
1707                 scr_printf("%s\n", aaa);
1708                 goto GSTA;
1709         }
1710         load_user_info(aaa);
1711
1712         while (set_password(ipc) != 0);
1713         newnow = 1;
1714
1715         enter_config(ipc, 1);
1716
1717  PWOK:
1718         /* Switch color support on or off if we're in user mode */
1719         if (rc_ansi_color == 3) {
1720                 if (userflags & US_COLOR)
1721                         enable_color = 1;
1722                 else
1723                         enable_color = 0;
1724         }
1725
1726         color(BRIGHT_WHITE);
1727         scr_printf("\n%s\nAccess level: %d (%s)\n"
1728                    "User #%ld / Login #%d",
1729                    fullname, axlevel, axdefs[(int) axlevel],
1730                    usernum, timescalled);
1731         if (lastcall > 0L) {
1732                 scr_printf(" / Last login: %s",
1733                            asctime(localtime(&lastcall)));
1734         }
1735         scr_printf("\n");
1736
1737         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1738         if (r / 100 == 2) {
1739                 b = chek.newmail;
1740                 if (b > 0) {
1741                         color(BRIGHT_RED);
1742                         if (b == 1)
1743                                 scr_printf("*** You have a new private message in Mail>\n");
1744                         if (b > 1)
1745                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1746                         color(DIM_WHITE);
1747                         if (!IsEmptyStr(rc_gotmail_cmd)) {
1748                                 system(rc_gotmail_cmd);
1749                         }
1750                 }
1751                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1752                         scr_printf("*** Users need validation\n");
1753                 }
1754                 if (chek.needregis > 0) {
1755                         scr_printf("*** Please register.\n");
1756                         formout(ipc, "register");
1757                         entregis(ipc);
1758                 }
1759         }
1760         /* Make up some temporary filenames for use in various parts of the
1761          * program.  Don't mess with these once they've been set, because we
1762          * will be unlinking them later on in the program and we don't
1763          * want to delete something that we didn't create. */
1764         CtdlMakeTempFileName(temp, sizeof temp);
1765         CtdlMakeTempFileName(temp2, sizeof temp2);
1766         CtdlMakeTempFileName(tempdir, sizeof tempdir);
1767
1768         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1769          * we try to get the user's actual screen dimensions off the server.
1770          * However, if we're running on an xterm, all this stuff is
1771          * irrelevant because we're going to dynamically size the screen
1772          * during the session.
1773          */
1774         screenwidth = 80;
1775         screenheight = 24;
1776         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1777         if (r == 2) {
1778                 screenwidth = myself->USscreenwidth;
1779                 screenheight = myself->USscreenheight;
1780         }
1781         if (getenv("TERM") != NULL)
1782                 if (!strcmp(getenv("TERM"), "xterm")) {
1783                         have_xterm = 1;
1784                 }
1785 #ifdef TIOCGWINSZ
1786         check_screen_dims();
1787 #endif
1788
1789         set_floor_mode(ipc);
1790
1791         /* Enter the lobby */
1792         dotgoto(ipc, "_BASEROOM_", 1, 0);
1793
1794         /* Main loop for the system... user is logged in. */
1795     free(uglist[0]);
1796         uglistsize = 0;
1797
1798         if (newnow == 1)
1799                 readmsgs(ipc, LastMessages, ReadForward, 5);
1800         else
1801                 readmsgs(ipc, NewMessages, ReadForward, 0);
1802
1803         /* MAIN COMMAND LOOP */
1804         do {
1805                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1806
1807 #ifdef TIOCGWINSZ
1808                 check_screen_dims();            /* if xterm, get screen size */
1809 #endif
1810
1811                 if (termn8 == 0)
1812                         switch (mcmd) {
1813                         case 1:
1814                                 formout(ipc, "help");
1815                                 break;
1816                         case 4:
1817                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1818                                 break;
1819                         case 36:
1820                                 entmsg(ipc, 0, 1, 0);
1821                                 break;
1822                         case 46:
1823                                 entmsg(ipc, 0, 2, 0);
1824                                 break;
1825                         case 78:
1826                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 1);
1827                                 break;
1828                         case 5:                         /* <G>oto */
1829                                 updatels(ipc);
1830                                 gotonext(ipc);
1831                                 break;
1832                         case 47:                        /* <A>bandon */
1833                                 if (!rc_alt_semantics) {
1834                                         updatelsa(ipc);
1835                                 }
1836                                 gotonext(ipc);
1837                                 break;
1838                         case 90:                        /* <.A>bandon */
1839                                 if (!rc_alt_semantics)
1840                                         updatelsa(ipc);
1841                                 dotgoto(ipc, argbuf, 0, 0);
1842                                 break;
1843                         case 58:                        /* <M>ail */
1844                                 updatelsa(ipc);
1845                                 dotgoto(ipc, "_MAIL_", 1, 0);
1846                                 break;
1847                         case 20:
1848                                 if (!IsEmptyStr(argbuf)) {
1849                                         updatels(ipc);
1850                                         dotgoto(ipc, argbuf, 0, 0);
1851                                 }
1852                                 break;
1853                         case 52:
1854                                 if (!IsEmptyStr(argbuf)) {
1855                                         if (rc_alt_semantics) {
1856                                                 updatelsa(ipc);
1857                                         }
1858                                         dotgoto(ipc, argbuf, 0, 0);
1859                                 }
1860                                 break;
1861                         case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
1862                                 dotungoto(ipc, argbuf);
1863                                 break;
1864                         case 10:
1865                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1866                                 break;
1867                         case 9:
1868                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1869                                 break;
1870                         case 13:
1871                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1872                                 break;
1873                         case 11:
1874                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1875                                 break;
1876                         case 12:
1877                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1878                                 break;
1879                         case 71:
1880                                 readmsgs(ipc, LastMessages, ReadForward,
1881                                                 atoi(argbuf));
1882                                 break;
1883                         case 7:
1884                                 forget(ipc);
1885                                 break;
1886                         case 18:
1887                                 subshell();
1888                                 break;
1889                         case 38:
1890                                 updatels(ipc);
1891                                 entroom(ipc);
1892                                 break;
1893                         case 22:
1894                                 killroom(ipc);
1895                                 break;
1896                         case 32:
1897                                 userlist(ipc, argbuf);
1898                                 break;
1899                         case 27:
1900                                 invite(ipc);
1901                                 break;
1902                         case 28:
1903                                 kickout(ipc);
1904                                 break;
1905                         case 23:
1906                                 editthisroom(ipc);
1907                                 break;
1908                         case 14:
1909                                 roomdir(ipc);
1910                                 break;
1911                         case 33:
1912                                 download(ipc, 0);
1913                                 break;
1914                         case 34:
1915                                 download(ipc, 1);
1916                                 break;
1917                         case 31:
1918                                 download(ipc, 2);
1919                                 break;
1920                         case 43:
1921                                 download(ipc, 3);
1922                                 break;
1923                         case 45:
1924                                 download(ipc, 4);
1925                                 break;
1926                         case 55:
1927                                 download(ipc, 5);
1928                                 break;
1929                         case 39:
1930                                 upload(ipc, 0);
1931                                 break;
1932                         case 40:
1933                                 upload(ipc, 1);
1934                                 break;
1935                         case 42:
1936                                 upload(ipc, 2);
1937                                 break;
1938                         case 44:
1939                                 upload(ipc, 3);
1940                                 break;
1941                         case 57:
1942                                 cli_upload(ipc);
1943                                 break;
1944                         case 16:
1945                                 ungoto(ipc);
1946                                 break;
1947                         case 24:
1948                                 whoknows(ipc);
1949                                 break;
1950                         case 26:
1951                                 validate(ipc);
1952                                 break;
1953                         case 29:
1954                         case 30:
1955                                 if (!rc_alt_semantics) {
1956                                         updatels(ipc);
1957                                 }
1958                                 termn8 = 1;
1959                                 break;
1960                         case 48:
1961                                 enterinfo(ipc);
1962                                 break;
1963                         case 49:
1964                                 readinfo(ipc);
1965                                 break;
1966                         case 72:
1967                                 cli_image_upload(ipc, "_userpic_");
1968                                 break;
1969                         case 73:
1970                                 cli_image_upload(ipc, "_roompic_");
1971                                 break;
1972
1973                         case 74:
1974                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1975                                 cli_image_upload(ipc, aaa);
1976                                 break;
1977
1978                         case 75:
1979                                 enternew(ipc, "roomname", aaa, 20);
1980                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1981                                 if (r / 100 != 2)
1982                                         scr_printf("\n%s\n", bbb);
1983                                 break;
1984                         case 76:
1985                                 enternew(ipc, "hostname", aaa, 25);
1986                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1987                                 if (r / 100 != 2)
1988                                         scr_printf("\n%s\n", bbb);
1989                                 break;
1990                         case 77:
1991                                 enternew(ipc, "username", aaa, 32);
1992                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
1993                                 if (r / 100 != 2)
1994                                         scr_printf("\n%s\n", bbb);
1995                                 break;
1996
1997                         case 35:
1998                                 set_password(ipc);
1999                                 break;
2000
2001                         case 21:
2002                                 if (argbuf[0] == 0)
2003                                         strcpy(aaa, "?");
2004                                 display_help(ipc, argbuf);
2005                                 break;
2006
2007                         case 41:
2008                                 formout(ipc, "register");
2009                                 entregis(ipc);
2010                                 break;
2011
2012                         case 15:
2013                                 scr_printf("Are you sure (y/n)? ");
2014                                 if (yesno() == 1) {
2015                                         if (!rc_alt_semantics)
2016                                                 updatels(ipc);
2017                                         a = 0;
2018                                         termn8 = 1;
2019                                 }
2020                                 break;
2021
2022                         case 85:
2023                                 scr_printf("All users will be disconnected!  "
2024                                            "Really terminate the server? ");
2025                                 if (yesno() == 1) {
2026                                         if (!rc_alt_semantics)
2027                                                 updatels(ipc);
2028                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
2029                                         scr_printf("%s\n", aaa);
2030                                         if (r / 100 == 2) {
2031                                                 a = 0;
2032                                                 termn8 = 1;
2033                                         }
2034                                 }
2035                                 break;
2036
2037                         case 86:
2038                                 scr_printf("Do you really want to schedule a "
2039                                            "server shutdown? ");
2040                                 if (yesno() == 1) {
2041                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
2042                                         if (r / 100 == 2) {
2043                                                 if (atoi(aaa)) {
2044                                                         scr_printf(
2045                                                                    "The Citadel server will terminate when all users are logged off.\n"
2046                                                                    );
2047                                                 } else {
2048                                                         scr_printf(
2049                                                                    "The Citadel server will not terminate.\n"
2050                                                                    );
2051                                                 }
2052                                         }
2053                                 }
2054                                 break;
2055
2056                         case 87:
2057                                 network_config_management(ipc, "listrecp",
2058                                                           "Message-by-message mailing list recipients");
2059                                 break;
2060
2061                         case 94:
2062                                 network_config_management(ipc, "digestrecp",
2063                                                           "Digest mailing list recipients");
2064                                 break;
2065
2066                         case 89:
2067                                 network_config_management(ipc, "ignet_push_share",
2068                                                           "Nodes with which we share this room");
2069                                 break;
2070
2071                         case 88:
2072                                 do_ignet_configuration(ipc);
2073                                 break;
2074
2075                         case 92:
2076                                 do_filterlist_configuration(ipc);
2077                                 break;
2078
2079                         case 6:
2080                                 if (rc_alt_semantics) {
2081                                         updatelsa(ipc);
2082                                 }
2083                                 gotonext(ipc);
2084                                 break;
2085
2086                         case 3:
2087                                 chatmode(ipc);
2088                                 break;
2089
2090                         case 2:
2091                                 if (ipc->isLocal) {
2092                                         screen_reset();
2093                                         stty_ctdl(SB_RESTORE);
2094                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
2095                                                  "exec ./subsystem %ld %d %d", fullname,
2096                                                  usernum, screenwidth, axlevel);
2097                                         ka_system(aaa);
2098                                         stty_ctdl(SB_NO_INTR);
2099                                         screen_set();
2100                                 } else {
2101                                         scr_printf("*** Can't run doors when server is not local.\n");
2102                                 }
2103                                 break;
2104
2105                         case 17:
2106                                 who_is_online(ipc, 0);
2107                                 break;
2108
2109                         case 79:
2110                                 who_is_online(ipc, 1);
2111                                 break;
2112
2113                         case 91:
2114                                 who_is_online(ipc, 2);
2115                                 break;
2116                 
2117                         case 80:
2118                                 do_system_configuration(ipc);
2119                                 break;
2120
2121                         case 82:
2122                                 do_internet_configuration(ipc);
2123                                 break;
2124
2125                         case 83:
2126                                 check_message_base(ipc);
2127                                 break;
2128
2129                         case 84:
2130                                 quiet_mode(ipc);
2131                                 break;
2132
2133                         case 93:
2134                                 stealth_mode(ipc);
2135                                 break;
2136
2137                         case 50:
2138                                 enter_config(ipc, 2);
2139                                 break;
2140
2141                         case 37:
2142                                 enter_config(ipc, 0);
2143                                 set_floor_mode(ipc);
2144                                 break;
2145
2146                         case 59:
2147                                 enter_config(ipc, 3);
2148                                 set_floor_mode(ipc);
2149                                 break;
2150
2151                         case 60:
2152                                 gotofloor(ipc, argbuf, GF_GOTO);
2153                                 break;
2154
2155                         case 61:
2156                                 gotofloor(ipc, argbuf, GF_SKIP);
2157                                 break;
2158
2159                         case 62:
2160                                 forget_this_floor(ipc);
2161                                 break;
2162
2163                         case 63:
2164                                 create_floor(ipc);
2165                                 break;
2166
2167                         case 64:
2168                                 edit_floor(ipc);
2169                                 break;
2170
2171                         case 65:
2172                                 kill_floor(ipc);
2173                                 break;
2174
2175                         case 66:
2176                                 enter_bio(ipc);
2177                                 break;
2178
2179                         case 67:
2180                                 read_bio(ipc);
2181                                 break;
2182
2183                         case 25:
2184                                 edituser(ipc, 25);
2185                                 break;
2186
2187                         case 96:
2188                                 edituser(ipc, 96);
2189                                 break;
2190
2191                         case 8:
2192                                 knrooms(ipc, floor_mode);
2193                                 scr_printf("\n");
2194                                 break;
2195
2196                         case 68:
2197                                 knrooms(ipc, 2);
2198                                 scr_printf("\n");
2199                                 break;
2200
2201                         case 69:
2202                                 misc_server_cmd(ipc, argbuf);
2203                                 break;
2204
2205                         case 70:
2206                                 edit_system_message(ipc, argbuf);
2207                                 break;
2208
2209                         case 19:
2210                                 listzrooms(ipc);
2211                                 scr_printf("\n");
2212                                 break;
2213
2214                         case 51:
2215                                 deletefile(ipc);
2216                                 break;
2217
2218                         case 53:
2219                                 netsendfile(ipc);
2220                                 break;
2221
2222                         case 54:
2223                                 movefile(ipc);
2224                                 break;
2225
2226                         case 56:
2227                                 page_user(ipc);
2228                                 break;
2229
2230             case 110:           /* <+> Next room */
2231                                  gotoroomstep(ipc, 1, 0);
2232                              break;
2233
2234             case 111:           /* <-> Previous room */
2235                  gotoroomstep(ipc, 0, 0);
2236                              break;
2237
2238                         case 112:           /* <>> Next floor */
2239                  gotofloorstep(ipc, 1, GF_GOTO);
2240                              break;
2241
2242                         case 113:           /* <<> Previous floor */
2243                  gotofloorstep(ipc, 0, GF_GOTO);
2244                                  break;
2245
2246             case 116:           /* <.> skip to <+> Next room */
2247                  gotoroomstep(ipc, 1, 1);
2248                              break;
2249
2250             case 117:           /* <.> skip to <-> Previous room */
2251                  gotoroomstep(ipc, 0, 1);
2252                              break;
2253
2254                         case 118:           /* <.> skip to <>> Next floor */
2255                  gotofloorstep(ipc, 1, GF_SKIP);
2256                              break;
2257
2258                         case 119:           /* <.> skip to <<> Previous floor */
2259                  gotofloorstep(ipc, 0, GF_SKIP);
2260                                  break;
2261
2262                         case 114:           
2263                  read_config(ipc);
2264                                  break;
2265
2266                         case 115:           
2267                  system_info(ipc);
2268                                  break;
2269
2270                         case 120:           /* .KAnonymous */
2271                          dotknown(ipc, 0, NULL);
2272                                  break;
2273
2274                         case 121:           /* .KDirectory */
2275                          dotknown(ipc, 1, NULL);
2276                                  break;
2277
2278                         case 122:           /* .KMatch */
2279                          dotknown(ipc, 2, argbuf);
2280                                  break;
2281
2282                         case 123:           /* .KpreferredOnly */
2283                          dotknown(ipc, 3, NULL);
2284                                  break;
2285
2286                         case 124:           /* .KPrivate */
2287                          dotknown(ipc, 4, NULL);
2288                                  break;
2289
2290                         case 125:           /* .KRead only */
2291                          dotknown(ipc, 5, NULL);
2292                                  break;
2293
2294                         case 126:           /* .KShared */
2295                          dotknown(ipc, 6, NULL);
2296                                  break;
2297
2298                         case 127:           /* Configure POP3 aggregation */
2299                                 do_pop3client_configuration(ipc);
2300                                 break;
2301
2302                         case 128:           /* Configure XML/RSS feed retrieval */
2303                                 do_rssclient_configuration(ipc);
2304                                 break;
2305
2306                         default: /* allow some math on the command */
2307                                 /* commands 100... to 100+MAX_EDITORS-1 will
2308                                    call the appropriate editor... in other
2309                                    words, command numbers 100+ will match
2310                                    the citadel.rc keys editor0, editor1, etc.*/
2311                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
2312                                 {
2313                                         /* entmsg mode >=2 select editor */
2314                                         entmsg(ipc, 0, mcmd - 100 + 2, 0);
2315                                         break;
2316                                 }
2317                         }       /* end switch */
2318         } while (termn8 == 0);
2319
2320 TERMN8: scr_printf("%s logged out.", fullname);
2321         termn8 = 0;
2322         color(ORIGINAL_PAIR);
2323         scr_printf("\n");
2324         while (march != NULL) {
2325                 remove_march(march->march_name, 0);
2326         }
2327         if (mcmd == 30) {
2328                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
2329         }
2330         CtdlIPCLogout(ipc);
2331         if ((mcmd == 29) || (mcmd == 15)) {
2332                 screen_delete();
2333                 stty_ctdl(SB_RESTORE);
2334                 formout(ipc, "goodbye");
2335                 logoff(ipc, 0);
2336         }
2337         /* Free the ungoto list */
2338         for (lp = 0; lp < uglistsize; lp++) {
2339                 free(uglist[lp]);
2340         }
2341     uglistsize = 0;
2342         goto GSTA;
2343
2344 }       /* end main() */