4 * Main source module for the client program.
15 #if TIME_WITH_SYS_TIME
16 # include <sys/time.h>
20 # include <sys/time.h>
27 #include <sys/types.h>
30 #include <sys/ioctl.h>
37 #include "citadel_ipc.h"
40 #include "routines2.h"
44 #include "client_chat.h"
45 #include "client_passwords.h"
46 #include "citadel_decls.h"
56 #define IFEXPERT if (userflags&US_EXPERT)
57 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
58 #define IFAIDE if (axlevel>=6)
59 #define IFNAIDE if (axlevel<6)
61 struct march *march = NULL;
63 /* globals associated with the client program */
64 char temp[PATH_MAX]; /* Name of general-purpose temp file */
65 char temp2[PATH_MAX]; /* Name of general-purpose temp file */
66 char tempdir[PATH_MAX]; /* Name of general-purpose temp directory */
67 char editor_paths[MAX_EDITORS][SIZ]; /* paths to external editors */
68 char printcmd[SIZ]; /* print command */
69 int editor_pid = (-1);
70 char fullname[USERNAME_SIZE];
74 char room_name[ROOMNAMELEN];
75 char *uglist[UGLISTLEN]; /* size of the ungoto list */
76 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
78 char is_mail = 0; /* nonzero when we're in a mail room */
79 char axlevel = 0; /* access level */
80 char is_room_aide = 0; /* boolean flag, 1 if room aide */
84 long usernum = 0L; /* user number */
85 time_t lastcall = 0L; /* Date/time of previous login */
87 long highest_msg_read; /* used for <A>bandon room cmd */
88 long maxmsgnum; /* used for <G>oto */
90 char have_xterm = 0; /* are we running on an xterm? */
91 char rc_username[USERNAME_SIZE];
97 char curr_floor = 0; /* number of current floor */
98 char floorlist[128][SIZ]; /* names of floors */
99 int termn8 = 0; /* Set to nonzero to cause a logoff */
100 int secure; /* Set to nonzero when wire is encrypted */
101 int can_do_msg4 = 0; /* Set to nonzero if the server can handle MSG4 commands */
103 extern char instant_msgs; /* instant messages waiting! */
104 extern int rc_ansi_color; /* ansi color value from citadel.rc */
105 extern int next_lazy_cmd;
107 CtdlIPC *ipc_for_signal_handlers; /* KLUDGE cover your eyes */
110 * here is our 'clean up gracefully and exit' routine
112 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
116 if (editor_pid > 0) { /* kill the editor if it's running */
117 kill(editor_pid, SIGHUP);
120 /* Free the ungoto list */
121 for (lp = 0; lp < uglistsize; lp++) {
125 /* Shut down the server connection ... but not if the logoff code is 3,
126 * because that means we're exiting because we already lost the server.
133 * now clean up various things
141 /* Violently kill off any child processes if Citadel is
144 if (getppid() == 1) {
145 kill(0 - getpgrp(), SIGTERM);
147 kill(0 - getpgrp(), SIGKILL);
149 color(ORIGINAL_PAIR); /* Restore the old color settings */
150 stty_ctdl(SB_RESTORE); /* return the old terminal settings */
152 * uncomment the following if you need to know why Citadel exited
153 printf("*** Exit code %d at %s:%d\n", code, file, line);
156 exit(code); /* exit with the proper exit code */
162 * signal catching function for hangups...
164 void dropcarr(int signum)
166 logoff(NULL, 3); /* No IPC when server's already gone! */
172 * catch SIGCONT to reset terminal modes when were are put back into the
175 void catch_sigcont(int signum)
178 signal(SIGCONT, catch_sigcont);
182 /* general purpose routines */
185 void formout(CtdlIPC *ipc, char *name)
187 int r; /* IPC return code */
191 r = CtdlIPCSystemMessage(ipc, name, &text, buf);
193 scr_printf("%s\n", buf);
197 fmout(screenwidth, NULL, text, NULL,
198 ((userflags & US_PAGINATOR) ? 1 : 0),
205 void userlist(CtdlIPC *ipc, char *patn)
211 int r; /* IPC response code */
212 char *listing = NULL;
214 r = CtdlIPCUserListing(ipc, patn, &listing, buf);
216 pprintf("%s\n", buf);
220 pprintf(" User Name Num L LastCall Calls Posts\n");
221 pprintf("------------------------- ----- - ---------- ----- -----\n");
222 if (listing != NULL) while (strlen(listing) > 0) {
223 extract_token(buf, listing, 0, '\n', sizeof buf);
224 remove_token(listing, 0, '\n');
226 if (sigcaught == 0) {
227 extract_token(fl, buf, 0, '|', sizeof fl);
228 if (pattern(fl, patn) >= 0) {
229 pprintf("%-25s ", fl);
230 pprintf("%5ld %d ", extract_long(buf, 2),
231 extract_int(buf, 1));
232 lc = extract_long(buf, 3);
233 localtime_r(&lc, &tmbuf);
234 pprintf("%02d/%02d/%04d ",
237 (tmbuf.tm_year + 1900));
238 pprintf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
249 * grab assorted info about the user...
251 void load_user_info(char *params)
253 extract_token(fullname, params, 0, '|', sizeof fullname);
254 axlevel = extract_int(params, 1);
255 timescalled = extract_int(params, 2);
256 posted = extract_int(params, 3);
257 userflags = extract_int(params, 4);
258 usernum = extract_long(params, 5);
259 lastcall = extract_long(params, 6);
264 * Remove a room from the march list. 'floornum' is ignored unless
265 * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
266 * floor will be removed from the march list.
268 void remove_march(char *roomname, int floornum)
270 struct march *mptr, *mptr2;
275 if ((!strcasecmp(march->march_name, roomname))
276 || ((!strcasecmp(roomname, "_FLOOR_")) && (march->march_floor == floornum))) {
283 for (mptr = march; mptr != NULL; mptr = mptr->next) {
285 if ((!strcasecmp(mptr->march_name, roomname))
286 || ((!strcasecmp(roomname, "_FLOOR_"))
287 && (mptr->march_floor == floornum))) {
289 mptr2->next = mptr->next;
300 * Locate the room on the march list which we most want to go to. Each room
301 * is measured given a "weight" of preference based on various factors.
303 char *pop_march(int desired_floor)
305 static char TheRoom[ROOMNAMELEN];
307 int TheOrder = 32767;
310 struct march *mptr = NULL;
312 strcpy(TheRoom, "_BASEROOM_");
316 for (mptr = march; mptr != NULL; mptr = mptr->next) {
318 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
319 weight = weight + 10000;
320 if (mptr->march_floor == desired_floor)
321 weight = weight + 5000;
323 weight = weight + ((128 - (mptr->march_floor)) * 128);
324 weight = weight + (128 - (mptr->march_order));
326 if (weight > TheWeight) {
328 strcpy(TheRoom, mptr->march_name);
329 TheFloor = mptr->march_floor;
330 TheOrder = mptr->march_order;
338 * jump directly to a room
340 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
342 char aaa[SIZ], bbb[SIZ];
344 int newmailcount = 0;
345 int partial_match, best_match;
347 int ugpos = uglistsize;
348 int r; /* IPC result code */
349 struct ctdlipcroom *room = NULL;
351 /* store ungoto information */
352 if (fromungoto == 0) {
353 /* sloppy slide them all down, hey it's the client, who cares. :-) */
354 if (uglistsize >= (UGLISTLEN-1)) {
357 for (lp = 0; lp < (UGLISTLEN-1); lp++) {
358 uglist[lp] = uglist[lp+1];
359 uglistlsn[lp] = uglistlsn[lp+1];
366 uglist[ugpos] = malloc(strlen(room_name)+1);
367 strcpy(uglist[ugpos], room_name);
368 uglistlsn[ugpos] = ls;
371 /* first try an exact match */
372 r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
374 newprompt("Enter room password: ", bbb, 9);
375 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
377 scr_printf("Wrong password.\n");
383 * If a match is not found, try a partial match.
384 * Partial matches anywhere in the string carry a weight of 1,
385 * left-aligned matches carry a weight of 2. Pick the room that
386 * has the highest-weighted match. Do not match on forgotten
390 struct march *march = NULL;
395 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
397 /* Run the roomlist; free the data as we go */
398 struct march *mp = march; /* Current */
402 if (pattern(mp->march_name, towhere) >= 0) {
405 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
408 if (partial_match > best_match) {
409 strcpy(bbb, mp->march_name);
410 best_match = partial_match;
412 /* Both pointers are NULL at end of list */
419 if (strlen(bbb) == 0) {
420 scr_printf("No room '%s'.\n", towhere);
424 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
426 if (r / 100 != 1 && r / 100 != 2) {
427 scr_printf("%s\n", aaa);
430 safestrncpy(room_name, room->RRname, ROOMNAMELEN);
431 room_flags = room->RRflags;
432 from_floor = curr_floor;
433 curr_floor = room->RRfloor;
435 remove_march(room_name, 0);
436 if (!strcasecmp(towhere, "_BASEROOM_"))
437 remove_march(towhere, 0);
439 next_lazy_cmd = 5; /* Don't read new if no new msgs */
440 if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
441 if (floorlist[(int) curr_floor][0] == 0)
443 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
445 if (display_name == 1) {
447 scr_printf("%s ", room_name);
451 if (display_name != 2) {
452 color(BRIGHT_YELLOW);
453 scr_printf("%d ", room->RRunread);
455 scr_printf("new of ");
456 color(BRIGHT_YELLOW);
457 scr_printf("%d ", room->RRtotal);
459 scr_printf("messages.\n");
461 highest_msg_read = room->RRlastread;
462 maxmsgnum = room->RRhighest;
463 is_mail = room->RRismailbox;
464 is_room_aide = room->RRaide;
465 ls = room->RRlastread;
467 /* read info file if necessary */
468 if (room->RRinfoupdated > 0)
471 /* check for newly arrived mail if we can */
472 newmailcount = room->RRnewmail;
473 if (newmailcount > 0) {
475 if (newmailcount == 1) {
476 scr_printf("*** A new mail message has arrived.\n");
479 scr_printf("*** %d new mail messages have arrived.\n",
483 if (strlen(rc_gotmail_cmd) > 0) {
484 system(rc_gotmail_cmd);
487 status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location,
488 room_name, secure, newmailcount);
491 /* Goto next room having unread messages.
492 * We want to skip over rooms that the user has already been to, and take the
493 * user back to the lobby when done. The room we end up in is placed in
494 * newroom - which is set to 0 (the lobby) initially.
496 void gotonext(CtdlIPC *ipc)
499 struct march *mptr, *mptr2;
500 char next_room[ROOMNAMELEN];
501 int r; /* IPC response code */
503 /* Check to see if the march-mode list is already allocated.
504 * If it is, pop the first room off the list and go there.
507 r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
508 AllFloors, &march, buf);
510 /* add _BASEROOM_ to the end of the march list, so the user will end up
511 * in the system base room (usually the Lobby>) at the end of the loop
513 mptr = (struct march *) malloc(sizeof(struct march));
515 strcpy(mptr->march_name, "_BASEROOM_");
520 while (mptr2->next != NULL)
525 * ...and remove the room we're currently in, so a <G>oto doesn't make us
526 * walk around in circles
528 remove_march(room_name, 0);
531 strcpy(next_room, pop_march(curr_floor));
533 strcpy(next_room, "_BASEROOM_");
535 remove_march(next_room, 0);
536 dotgoto(ipc, next_room, 1, 0);
540 * forget all rooms on a given floor
542 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
545 struct march *flist = NULL;
546 struct march *fptr = NULL;
547 struct ctdlipcroom *room = NULL;
548 int r; /* IPC response code */
550 scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
552 remove_march("_FLOOR_", ffloor);
553 r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
555 scr_printf("Error %d: %s\n", r, buf);
559 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
561 r = CtdlIPCForgetRoom(ipc, buf);
563 scr_printf("Error %d: %s\n", r, buf);
575 * routine called by gotofloor() to move to a new room on a new floor
577 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
579 int floor_being_left;
581 floor_being_left = curr_floor;
583 if (mode == GF_GOTO) { /* <;G>oto mode */
585 dotgoto(ipc, towhere, 1, 0);
587 else if (mode == GF_SKIP) { /* <;S>kip mode */
588 dotgoto(ipc, towhere, 1, 0);
589 remove_march("_FLOOR_", floor_being_left);
591 else if (mode == GF_ZAP) { /* <;Z>ap mode */
592 dotgoto(ipc, towhere, 1, 0);
593 remove_march("_FLOOR_", floor_being_left);
594 forget_all_rooms_on(ipc, floor_being_left);
602 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
605 int r; /* IPC response code */
607 char buf[SIZ], targ[SIZ];
609 if (floorlist[0][0] == 0)
612 for (a = 0; a < 128; ++a)
613 if (!strcasecmp(&floorlist[a][0], towhere))
617 for (a = 0; a < 128; ++a) {
618 if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
624 for (a = 0; a < 128; ++a)
625 if (pattern(towhere, &floorlist[a][0]) > 0)
629 scr_printf("No floor '%s'.\n", towhere);
632 for (mptr = march; mptr != NULL; mptr = mptr->next) {
633 if ((mptr->march_floor) == tofloor) {
634 gf_toroom(ipc, mptr->march_name, mode);
639 /* Find first known room on the floor */
643 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
645 struct march *tmp = mptr;
647 /* TODO: room order is being ignored? */
649 strncpy(targ, mptr->march_name, ROOMNAMELEN);
656 if (strlen(targ) > 0) {
657 gf_toroom(ipc, targ, mode);
661 /* No known rooms on the floor; unzap the first one then */
665 r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
667 struct march *tmp = mptr;
669 /* TODO: room order is being ignored? */
671 strncpy(targ, mptr->march_name, ROOMNAMELEN);
678 if (strlen(targ) > 0) {
679 gf_toroom(ipc, targ, mode);
681 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
687 * forget all rooms on current floor
689 void forget_this_floor(CtdlIPC *ipc)
691 if (curr_floor == 0) {
692 scr_printf("Can't forget this floor.\n");
695 if (floorlist[0][0] == 0) {
698 scr_printf("Are you sure you want to forget all rooms on %s? ",
699 &floorlist[(int) curr_floor][0]);
704 gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
709 * Figure out the physical screen dimensions, if we can
710 * WARNING: this is now called from a signal handler!
712 void check_screen_dims(void)
716 unsigned short height; /* rows */
717 unsigned short width; /* columns */
718 unsigned short xpixels;
719 unsigned short ypixels; /* pixels */
722 if (have_xterm) { /* dynamically size screen if on an xterm */
723 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
725 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
727 screenwidth = (int) xwinsz.width;
735 * set floor mode depending on client, server, and user settings
737 void set_floor_mode(CtdlIPC* ipc)
739 if (ipc->ServInfo.ok_floors == 0) {
740 floor_mode = 0; /* Don't use floors if the server */
742 /* doesn't support them! */
744 if (rc_floor_mode == RC_NO) { /* never use floors */
747 if (rc_floor_mode == RC_YES) { /* always use floors */
750 if (rc_floor_mode == RC_DEFAULT) { /* user choice */
751 floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
757 * Set or change the user's password
759 int set_password(CtdlIPC *ipc)
765 if (strlen(rc_password) > 0) {
766 strcpy(pass1, rc_password);
767 strcpy(pass2, rc_password);
769 IFNEXPERT formout(ipc, "changepw");
770 newprompt("Enter a new password: ", pass1, -19);
771 newprompt("Enter it again to confirm: ", pass2, -19);
775 if (!strcasecmp(pass1, pass2)) {
776 CtdlIPCChangePassword(ipc, pass1, buf);
777 scr_printf("%s\n", buf);
778 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
781 scr_printf("*** They don't match... try again.\n");
789 * get info about the server we've connected to
791 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
795 CtdlIPCServerInfo(ipc, buf);
797 /* be nice and identify ourself to the server */
798 CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
799 (ipc->isLocal ? "local" : CITADEL),
800 (supplied_hostname) ? supplied_hostname :
801 /* Look up the , in the bible if you're confused */
802 (locate_host(ipc, buf), buf), buf);
804 /* Tell the server what our preferred content formats are */
805 if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/html|text/plain") / 100 )== 2) {
813 * Record compare function for SortOnlineUsers()
815 int idlecmp(const void *rec1, const void *rec2) {
818 i1 = extract_long(rec1, 5);
819 i2 = extract_long(rec2, 5);
821 if (i1 < i2) return(1);
822 if (i1 > i2) return(-1);
828 * Sort the list of online users by idle time.
829 * This function frees the supplied buffer, and returns a new one
830 * to the caller. The caller is responsible for freeing the returned buffer.
832 char *SortOnlineUsers(char *listing) {
839 rows = num_tokens(listing, '\n');
840 sortbuf = malloc(rows * SIZ);
841 if (sortbuf == NULL) return(listing);
842 retbuf = malloc(rows * SIZ);
843 if (retbuf == NULL) {
848 /* Copy the list into a fixed-record-size array for sorting */
849 for (i=0; i<rows; ++i) {
851 extract_token(buf, listing, i, '\n', sizeof buf);
852 memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
856 qsort(sortbuf, rows, SIZ, idlecmp);
858 /* Copy back to a \n delimited list */
860 for (i=0; i<rows; ++i) {
861 strcat(retbuf, &sortbuf[i*SIZ]);
862 if (i<(rows-1)) strcat(retbuf, "\n");
870 * Display list of users currently logged on to the server
872 void who_is_online(CtdlIPC *ipc, int longlist)
874 char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
876 char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
877 char clientsoft[SIZ];
879 time_t idletime, idlehours, idlemins, idlesecs;
880 int last_session = (-1);
882 char *listing = NULL;
883 int r; /* IPC response code */
892 pprintf(" User Name Room Idle From host\n");
894 pprintf(" ------------------------- -------------------- ---- ------------------------\n");
896 r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
897 listing = SortOnlineUsers(listing);
899 while (strlen(listing) > 0) {
902 /* Get another line */
903 extract_token(buf, listing, 0, '\n', sizeof buf);
904 remove_token(listing, 0, '\n');
906 extract_token(username, buf, 1, '|', sizeof username);
907 extract_token(roomname, buf, 2, '|', sizeof roomname);
908 extract_token(fromhost, buf, 3, '|', sizeof fromhost);
909 extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
910 extract_token(flags, buf, 7, '|', sizeof flags);
912 idletime = timenow - extract_long(buf, 5);
913 idlehours = idletime / 3600;
914 idlemins = (idletime - (idlehours * 3600)) / 60;
915 idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
917 if (idletime > rc_idle_threshold) {
919 while (strlen(roomname) < 20) {
920 strcat(roomname, " ");
922 strcpy(&roomname[14], "[idle]");
929 extract_token(actual_user, buf, 8, '|', sizeof actual_user);
930 extract_token(actual_room, buf, 9, '|', sizeof actual_room);
931 extract_token(actual_host, buf, 10, '|', sizeof actual_host);
933 pprintf(" Flags: %s\n", flags);
934 pprintf("Session: %d\n", extract_int(buf, 0));
935 pprintf(" Name: %s\n", username);
936 pprintf("In room: %s\n", roomname);
937 pprintf(" Host: %s\n", fromhost);
938 pprintf(" Client: %s\n", clientsoft);
939 pprintf(" Idle: %ld:%02ld:%02ld\n",
944 if ( (strlen(actual_user)+strlen(actual_room)+strlen(actual_host)) > 0) {
946 if (strlen(actual_user)>0) pprintf("<%s> ", actual_user);
947 if (strlen(actual_room)>0) pprintf("in <%s> ", actual_room);
948 if (strlen(actual_host)>0) pprintf("from <%s> ", actual_host);
955 if (extract_int(buf, 0) == last_session) {
958 color(BRIGHT_MAGENTA);
959 pprintf("%-3s", flags);
961 last_session = extract_int(buf, 0);
963 pprintf("%-25s ", username);
964 color(BRIGHT_MAGENTA);
966 pprintf("%-20s ", roomname);
967 if (idletime > rc_idle_threshold) {
968 /* over 1000d, must be gone fishing */
969 if (idlehours > 23999) {
972 } else if (idlehours > 239) {
976 } else if (idlehours > 9) {
977 pprintf("%1ldd%02ld",
980 /* less than 10 hours */
982 pprintf("%1ld:%02ld",
983 idlehours, idlemins);
992 pprintf("%-24s\n", fromhost);
1001 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
1004 snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
1005 newprompt(bbb, buf, maxlen);
1010 int shift(int argc, char **argv, int start, int count) {
1013 for (i=start; i<(argc-count); ++i) {
1014 argv[i] = argv[i+count];
1016 argc = argc - count;
1020 static void statusHook(char *s) {
1028 int main(int argc, char **argv)
1031 char aaa[100], bbb[100];/* general purpose variables */
1032 char argbuf[32]; /* command line buf */
1033 char nonce[NONCE_SIZE];
1034 char *telnet_client_host = NULL;
1035 char *sptr, *sptr2; /* USed to extract the nonce */
1036 char hexstring[MD5_HEXSTRING_SIZE];
1037 int stored_password = 0;
1039 struct ctdlipcmisc chek;
1040 struct ctdluser *myself = NULL;
1041 CtdlIPC* ipc; /* Our server connection */
1042 int r; /* IPC result code */
1044 setIPCDeathHook(screen_delete);
1045 setIPCErrorPrintf(err_printf);
1046 setCryptoStatusHook(statusHook);
1048 /* Permissions sanity check - don't run citadel setuid/setgid */
1049 if (getuid() != geteuid()) {
1050 err_printf("Please do not run citadel setuid!\n");
1052 } else if (getgid() != getegid()) {
1053 err_printf("Please do not run citadel setgid!\n");
1057 stty_ctdl(SB_SAVE); /* Store the old terminal parameters */
1058 load_command_set(); /* parse the citadel.rc file */
1059 stty_ctdl(SB_NO_INTR); /* Install the new ones */
1060 /* signal(SIGHUP, dropcarr);FIXME */ /* Cleanup gracefully if carrier is dropped */
1061 signal(SIGPIPE, dropcarr); /* Cleanup gracefully if local conn. dropped */
1062 signal(SIGTERM, dropcarr); /* Cleanup gracefully if terminated */
1063 signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1065 signal(SIGWINCH, scr_winch); /* Window resize signal */
1069 arg_encrypt = RC_DEFAULT;
1071 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1072 arg_screen = RC_DEFAULT;
1076 * Handle command line options as if we were called like /bin/login
1077 * (i.e. from in.telnetd)
1079 for (a=0; a<argc; ++a) {
1080 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1081 telnet_client_host = argv[a+1];
1082 argc = shift(argc, argv, a, 2);
1084 if (!strcmp(argv[a], "-x")) {
1086 arg_encrypt = RC_NO;
1088 argc = shift(argc, argv, a, 1);
1090 if (!strcmp(argv[a], "-X")) {
1092 arg_encrypt = RC_YES;
1093 argc = shift(argc, argv, a, 1);
1095 fprintf(stderr, "Not compiled with encryption support");
1099 if (!strcmp(argv[a], "-s")) {
1100 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1103 argc = shift(argc, argv, a, 1);
1105 if (!strcmp(argv[a], "-S")) {
1106 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1107 arg_screen = RC_YES;
1109 argc = shift(argc, argv, a, 1);
1111 if (!strcmp(argv[a], "-p")) {
1114 if (chdir(CTDLDIR) < 0) {
1115 perror("can't change to " CTDLDIR);
1120 * Drop privileges if necessary. We stat
1121 * citadel.config to get the uid/gid since it's
1122 * guaranteed to have the uid/gid we want.
1124 if (!getuid() || !getgid()) {
1126 #ifndef HAVE_ETC_DIR
1131 "/citadel.config", &st) < 0) {
1132 perror("couldn't stat citadel.config");
1135 if (!getgid() && (setgid(st.st_gid) < 0)) {
1136 perror("couldn't change gid");
1139 if (!getuid() && (setuid(st.st_uid) < 0)) {
1140 perror("couldn't change uid");
1144 scr_printf("Privileges changed to uid %d gid %d\n",
1145 getuid(), getgid());
1148 argc = shift(argc, argv, a, 1);
1155 newprompt("Connect to (return for local server): ", hostbuf, 64);
1158 sln_printf("Attaching to server... \r");
1160 ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1163 error_printf("Can't connect: %s\n", strerror(errno));
1166 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1167 CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1169 ipc_for_signal_handlers = ipc; /* KLUDGE cover your eyes */
1171 CtdlIPC_chat_recv(ipc, aaa);
1172 if (aaa[0] != '2') {
1173 scr_printf("%s\n", &aaa[4]);
1174 logoff(ipc, atoi(aaa));
1177 /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1181 if ((sptr = strchr(aaa, '<')) == NULL)
1187 if ((sptr2 = strchr(sptr, '>')) == NULL)
1195 strncpy(nonce, sptr, (size_t)NONCE_SIZE);
1200 /* Evaluate encryption preferences */
1201 if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1202 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1203 secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1205 error_printf("Can't encrypt: %s\n", aaa);
1210 get_serv_info(ipc, telnet_client_host);
1211 scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
1212 ipc->ServInfo.site_location);
1215 status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location, NULL,
1218 screenwidth = 80; /* default screen dimensions */
1221 scr_printf(" pause next stop\n");
1222 scr_printf(" ctrl-s ctrl-o ctrl-c\n\n");
1223 formout(ipc, "hello"); /* print the opening greeting */
1226 GSTA: /* See if we have a username and password on disk */
1227 if (rc_remember_passwords) {
1228 get_stored_password(hostbuf, portbuf, fullname, password);
1229 if (strlen(fullname) > 0) {
1230 r = CtdlIPCTryLogin(ipc, fullname, aaa);
1233 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1235 r = CtdlIPCTryPassword(ipc, password, aaa);
1240 load_user_info(aaa);
1241 stored_password = 1;
1244 set_stored_password(hostbuf, portbuf, "", "");
1252 if (strlen(rc_username) > 0) {
1253 strcpy(fullname, rc_username);
1255 newprompt("Enter your name: ", fullname, 29);
1258 if (!strcasecmp(fullname, "new")) { /* just in case */
1259 scr_printf("Please enter the name you wish to log in with.\n");
1262 (!strcasecmp(fullname, "bbs"))
1263 || (!strcasecmp(fullname, "new"))
1264 || (strlen(fullname) == 0));
1266 if (!strcasecmp(fullname, "off")) {
1270 /* sign on to the server */
1271 r = CtdlIPCTryLogin(ipc, fullname, aaa);
1275 /* password authentication */
1276 if (strlen(rc_password) > 0) {
1277 strcpy(password, rc_password);
1279 newprompt("\rPlease enter your password: ", password, -19);
1284 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1286 r = CtdlIPCTryPassword(ipc, password, aaa);
1290 load_user_info(aaa);
1291 offer_to_remember_password(ipc, hostbuf, portbuf,
1292 fullname, password);
1295 scr_printf("<< wrong password >>\n");
1296 if (strlen(rc_password) > 0)
1300 NEWUSR: if (strlen(rc_password) == 0) {
1301 scr_printf("'%s' not found.\n"
1302 "Do you want to create a new account with this name? ",
1308 r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1310 scr_printf("%s\n", aaa);
1313 load_user_info(aaa);
1315 while (set_password(ipc) != 0);
1318 enter_config(ipc, 1);
1321 /* Switch color support on or off if we're in user mode */
1322 if (rc_ansi_color == 3) {
1323 if (userflags & US_COLOR)
1329 color(BRIGHT_WHITE);
1330 scr_printf("\n%s\nAccess level: %d (%s)\n"
1331 "User #%ld / Login #%d",
1332 fullname, axlevel, axdefs[(int) axlevel],
1333 usernum, timescalled);
1334 if (lastcall > 0L) {
1335 scr_printf(" / Last login: %s",
1336 asctime(localtime(&lastcall)));
1340 r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1346 scr_printf("*** You have a new private message in Mail>\n");
1348 scr_printf("*** You have %d new private messages in Mail>\n", b);
1350 if (strlen(rc_gotmail_cmd) > 0) {
1351 system(rc_gotmail_cmd);
1354 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1355 scr_printf("*** Users need validation\n");
1357 if (chek.needregis > 0) {
1358 scr_printf("*** Please register.\n");
1359 formout(ipc, "register");
1363 /* Make up some temporary filenames for use in various parts of the
1364 * program. Don't mess with these once they've been set, because we
1365 * will be unlinking them later on in the program and we don't
1366 * want to delete something that we didn't create. */
1367 CtdlMakeTempFileName(temp, sizeof temp);
1368 CtdlMakeTempFileName(temp2, sizeof temp2);
1369 CtdlMakeTempFileName(tempdir, sizeof tempdir);
1371 /* Get screen dimensions. First we go to a default of 80x24. Then
1372 * we try to get the user's actual screen dimensions off the server.
1373 * However, if we're running on an xterm, all this stuff is
1374 * irrelevant because we're going to dynamically size the screen
1375 * during the session.
1379 r = CtdlIPCGetConfig(ipc, &myself, aaa);
1381 screenwidth = myself->USscreenwidth;
1382 screenheight = myself->USscreenheight;
1384 if (getenv("TERM") != NULL)
1385 if (!strcmp(getenv("TERM"), "xterm")) {
1389 check_screen_dims();
1392 set_floor_mode(ipc);
1394 /* Enter the lobby */
1395 dotgoto(ipc, "_BASEROOM_", 1, 0);
1397 /* Main loop for the system... user is logged in. */
1401 readmsgs(ipc, LastMessages, ReadForward, 5);
1403 readmsgs(ipc, NewMessages, ReadForward, 0);
1405 /* MAIN COMMAND LOOP */
1407 mcmd = getcmd(ipc, argbuf); /* Get keyboard command */
1410 check_screen_dims(); /* if xterm, get screen size */
1416 formout(ipc, "help");
1419 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0));
1429 /* Only m.author is used */
1430 struct ctdlipcmessage m;
1431 newprompt("What do you want your username to be? ",
1432 m.author, USERNAME_SIZE - 1);
1434 r = CtdlIPCPostMessage(ipc, 2, &m, aaa);
1436 scr_printf("%s\n", aaa);
1441 case 5: /* <G>oto */
1445 case 47: /* <A>bandon */
1446 if (!rc_alt_semantics) {
1451 case 90: /* <.A>bandon */
1452 if (!rc_alt_semantics)
1454 dotgoto(ipc, argbuf, 0, 0);
1456 case 58: /* <M>ail */
1458 dotgoto(ipc, "_MAIL_", 1, 0);
1461 if (strlen(argbuf) > 0) {
1463 dotgoto(ipc, argbuf, 0, 0);
1467 if (strlen(argbuf) > 0) {
1468 if (rc_alt_semantics) {
1471 dotgoto(ipc, argbuf, 0, 0);
1474 case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
1475 dotungoto(ipc, argbuf);
1478 readmsgs(ipc, AllMessages, ReadForward, 0);
1481 readmsgs(ipc, LastMessages, ReadForward, 5);
1484 readmsgs(ipc, NewMessages, ReadForward, 0);
1487 readmsgs(ipc, AllMessages, ReadReverse, 0);
1490 readmsgs(ipc, OldMessages, ReadReverse, 0);
1493 readmsgs(ipc, LastMessages, ReadForward,
1510 userlist(ipc, argbuf);
1568 if (!rc_alt_semantics) {
1580 cli_image_upload(ipc, "_userpic_");
1583 cli_image_upload(ipc, "_roompic_");
1587 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1588 cli_image_upload(ipc, aaa);
1592 enternew(ipc, "roomname", aaa, 20);
1593 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1595 scr_printf("\n%s\n", bbb);
1598 enternew(ipc, "hostname", aaa, 25);
1599 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1601 scr_printf("\n%s\n", bbb);
1604 enternew(ipc, "username", aaa, 32);
1605 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
1607 scr_printf("\n%s\n", bbb);
1617 display_help(ipc, argbuf);
1621 formout(ipc, "register");
1626 scr_printf("Are you sure (y/n)? ");
1628 if (!rc_alt_semantics)
1636 scr_printf("All users will be disconnected! "
1637 "Really terminate the server? ");
1639 if (!rc_alt_semantics)
1641 r = CtdlIPCTerminateServerNow(ipc, aaa);
1642 scr_printf("%s\n", aaa);
1651 scr_printf("Do you really want to schedule a "
1652 "server shutdown? ");
1654 r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
1658 "The Citadel server will terminate when all users are logged off.\n"
1662 "The Citadel server will not terminate.\n"
1670 network_config_management(ipc, "listrecp",
1671 "Message-by-message mailing list recipients");
1675 network_config_management(ipc, "digestrecp",
1676 "Digest mailing list recipients");
1680 network_config_management(ipc, "ignet_push_share",
1681 "Nodes with which we share this room");
1685 do_ignet_configuration(ipc);
1689 do_filterlist_configuration(ipc);
1693 if (rc_alt_semantics) {
1706 stty_ctdl(SB_RESTORE);
1707 snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
1708 "exec ./subsystem %ld %d %d", fullname,
1709 usernum, screenwidth, axlevel);
1711 stty_ctdl(SB_NO_INTR);
1714 scr_printf("*** Can't run doors when server is not local.\n");
1719 who_is_online(ipc, 0);
1723 who_is_online(ipc, 1);
1727 who_is_online(ipc, 2);
1731 do_system_configuration(ipc);
1735 do_internet_configuration(ipc);
1739 check_message_base(ipc);
1751 enter_config(ipc, 2);
1755 enter_config(ipc, 0);
1756 set_floor_mode(ipc);
1760 enter_config(ipc, 3);
1761 set_floor_mode(ipc);
1765 gotofloor(ipc, argbuf, GF_GOTO);
1769 gotofloor(ipc, argbuf, GF_SKIP);
1773 forget_this_floor(ipc);
1805 knrooms(ipc, floor_mode);
1815 misc_server_cmd(ipc, argbuf);
1819 edit_system_message(ipc, argbuf);
1843 default: /* allow some math on the command */
1844 /* commands 100... to 100+MAX_EDITORS-1 will
1845 call the appropriate editor... in other
1846 words, command numbers 100+ will match
1847 the citadel.rc keys editor0, editor1, etc.*/
1848 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
1850 /* entmsg mode >=2 select editor */
1851 entmsg(ipc, 0, mcmd - 100 + 2);
1855 } while (termn8 == 0);
1857 TERMN8: scr_printf("%s logged out.", fullname);
1859 color(ORIGINAL_PAIR);
1861 while (march != NULL) {
1862 remove_march(march->march_name, 0);
1865 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
1868 if ((mcmd == 29) || (mcmd == 15)) {
1870 stty_ctdl(SB_RESTORE);
1871 formout(ipc, "goodbye");