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