citadel/textclient/citadel.c

   1 /*
   2  * $Id$
   3  *
   4  * Main source module for the client program.
   5  *
   6  * Copyright (c) 1987-2009 by the citadel.org team
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 3 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include "sysdep.h"
  24 #include <stdlib.h>
  25 #include <unistd.h>
  26 #include <fcntl.h>
  27 #include <stdio.h>
  28 #include <ctype.h>
  29 #include <string.h>
  30
  31 #if TIME_WITH_SYS_TIME
  32 # include <sys/time.h>
  33 # include <time.h>
  34 #else
  35 # if HAVE_SYS_TIME_H
  36 #  include <sys/time.h>
  37 # else
  38 #  include <time.h>
  39 # endif
  40 #endif
  41
  42 #include <limits.h>
  43 #include <sys/types.h>
  44 #include <sys/wait.h>
  45 #include <sys/stat.h>
  46 #include <sys/ioctl.h>
  47 #include <signal.h>
  48 #include <pwd.h>
  49 #include <stdarg.h>
  50 #include <errno.h>
  51 #include <libcitadel.h>
  52 #include "citadel.h"
  53 #include "citadel_ipc.h"
  54 #include "axdefs.h"
  55 #include "routines.h"
  56 #include "routines2.h"
  57 #include "tuiconfig.h"
  58 #include "rooms.h"
  59 #include "messages.h"
  60 #include "commands.h"
  61 #include "client_chat.h"
  62 #include "client_passwords.h"
  63 #include "citadel_decls.h"
  64 #include "sysdep.h"
  65 #ifndef HAVE_SNPRINTF
  66 #include "snprintf.h"
  67 #endif
  68 #include "screen.h"
  69 #include "citadel_dirs.h"
  70
  71 #include "ecrash.h"
  72 #include "md5.h"
  73
  74 #define IFEXPERT if (userflags&US_EXPERT)
  75 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  76 #define IFAIDE if (axlevel>=AxAideU)
  77 #define IFNAIDE if (axlevel<AxAideU)
  78
  79 int rordercmp(struct ctdlroomlisting *r1, struct ctdlroomlisting *r2);
  80
  81 march *marchptr = NULL;
  82
  83 /* globals associated with the client program */
  84 char temp[PATH_MAX];            /* Name of general-purpose temp file */
  85 char temp2[PATH_MAX];           /* Name of general-purpose temp file */
  86 char tempdir[PATH_MAX];         /* Name of general-purpose temp directory */
  87 char editor_paths[MAX_EDITORS][SIZ];    /* paths to external editors */
  88 char printcmd[SIZ];             /* print command */
  89 int editor_pid = (-1);
  90 char fullname[USERNAME_SIZE];
  91 int screenwidth;
  92 int screenheight;
  93 unsigned room_flags;
  94 unsigned room_flags2;
  95 int entmsg_ok = 0;
  96 char room_name[ROOMNAMELEN];
  97 char *uglist[UGLISTLEN]; /* size of the ungoto list */
  98 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
  99 int uglistsize = 0;
 100 char is_mail = 0;               /* nonzero when we're in a mail room */
 101 char axlevel = AxDeleted;               /* access level */
 102 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
 103 int timescalled;
 104 int posted;
 105 unsigned userflags;
 106 long usernum = 0L;              /* user number */
 107 time_t lastcall = 0L;           /* Date/time of previous login */
 108 char newnow;
 109 long highest_msg_read;          /* used for <A>bandon room cmd */
 110 long maxmsgnum;                 /* used for <G>oto */
 111 char sigcaught = 0;
 112 char have_xterm = 0;            /* are we running on an xterm? */
 113 char rc_username[USERNAME_SIZE];
 114 char rc_password[32];
 115 char hostbuf[SIZ];
 116 char portbuf[SIZ];
 117 char rc_floor_mode;
 118 char floor_mode;
 119 char curr_floor = 0;            /* number of current floor */
 120 char floorlist[128][SIZ];       /* names of floors */
 121 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
 122 int secure;                     /* Set to nonzero when wire is encrypted */
 123
 124 extern char instant_msgs;       /* instant messages waiting! */
 125 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
 126 extern int next_lazy_cmd;
 127
 128 CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
 129 int enable_syslog = 0;
 130
 131
 132 /*
 133  * CtdlLogPrintf()  ...   Write logging information;
 134  *                  simple here to have the same
 135  *                  symbols in the client.
 136  */
 137
 138 void CtdlLogPrintf(enum LogLevel loglevel, const char *format, ...) {
 139         va_list arg_ptr;
 140
 141         va_start(arg_ptr, format);
 142         vfprintf(stderr, format, arg_ptr);
 143         va_end(arg_ptr);
 144         fflush(stderr);
 145 }
 146
 147 /*
 148  * here is our 'clean up gracefully and exit' routine
 149  */
 150 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
 151 {
 152         int lp;
 153
 154         if (editor_pid > 0) {   /* kill the editor if it's running */
 155                 kill(editor_pid, SIGHUP);
 156         }
 157
 158         /* Free the ungoto list */
 159         for (lp = 0; lp < uglistsize; lp++) {
 160                 free(uglist[lp]);
 161         }
 162
 163 /* Shut down the server connection ... but not if the logoff code is 3,
 164  * because that means we're exiting because we already lost the server.
 165  */
 166         if (code != 3) {
 167                 CtdlIPCQuit(ipc);
 168         }
 169
 170 /*
 171  * now clean up various things
 172  */
 173         screen_delete();
 174
 175         unlink(temp);
 176         unlink(temp2);
 177         nukedir(tempdir);
 178
 179         /* Violently kill off any child processes if Citadel is
 180          * the login shell.
 181          */
 182         if (getppid() == 1) {
 183                 kill(0 - getpgrp(), SIGTERM);
 184                 sleep(1);
 185                 kill(0 - getpgrp(), SIGKILL);
 186         }
 187         color(ORIGINAL_PAIR);   /* Restore the old color settings */
 188         stty_ctdl(SB_RESTORE);  /* return the old terminal settings */
 189         /*
 190          * uncomment the following if you need to know why Citadel exited
 191         printf("*** Exit code %d at %s:%d\n", code, file, line);
 192         sleep(2);
 193          */
 194         exit(code);             /* exit with the proper exit code */
 195 }
 196
 197
 198
 199 /*
 200  * signal catching function for hangups...
 201  */
 202 void dropcarr(int signum)
 203 {
 204         logoff(NULL, 3);        /* No IPC when server's already gone! */
 205 }
 206
 207
 208
 209 /*
 210  * catch SIGCONT to reset terminal modes when were are put back into the
 211  * foreground.
 212  */
 213 void catch_sigcont(int signum)
 214 {
 215         stty_ctdl(SB_LAST);
 216         signal(SIGCONT, catch_sigcont);
 217 }
 218
 219
 220 /* general purpose routines */
 221
 222 /* display a file */
 223 void formout(CtdlIPC *ipc, char *name)
 224 {
 225         int r;                  /* IPC return code */
 226         char buf[SIZ];
 227         char *text = NULL;
 228
 229         r = CtdlIPCSystemMessage(ipc, name, &text, buf);
 230         if (r / 100 != 1) {
 231                 scr_printf("%s\n", buf);
 232                 return;
 233         }
 234         if (text) {
 235                 fmout(screenwidth, NULL, text, NULL,
 236                       ((userflags & US_PAGINATOR) ? 1 : 0),
 237                       screenheight, 1, 1);
 238                 free(text);
 239         }
 240 }
 241
 242
 243 void userlist(CtdlIPC *ipc, char *patn)
 244 {
 245         char buf[SIZ];
 246         char fl[SIZ];
 247         struct tm tmbuf;
 248         time_t lc;
 249         int r;                          /* IPC response code */
 250         char *listing = NULL;
 251
 252         r = CtdlIPCUserListing(ipc, patn, &listing, buf);
 253         if (r / 100 != 1) {
 254                 pprintf("%s\n", buf);
 255                 return;
 256         }
 257
 258         pprintf("       User Name           Num  L Last Visit Logins Messages\n");
 259         pprintf("------------------------- ----- - ---------- ------ --------\n");
 260         if (listing != NULL) while (!IsEmptyStr(listing)) {
 261                 extract_token(buf, listing, 0, '\n', sizeof buf);
 262                 remove_token(listing, 0, '\n');
 263
 264                 if (sigcaught == 0) {
 265                     extract_token(fl, buf, 0, '|', sizeof fl);
 266                     if (pattern(fl, patn) >= 0) {
 267                         pprintf("%-25s ", fl);
 268                         pprintf("%5ld %d ", extract_long(buf, 2),
 269                                extract_int(buf, 1));
 270                         lc = extract_long(buf, 3);
 271                         localtime_r(&lc, &tmbuf);
 272                         pprintf("%02d/%02d/%04d ",
 273                                (tmbuf.tm_mon + 1),
 274                                tmbuf.tm_mday,
 275                                (tmbuf.tm_year + 1900));
 276                         pprintf("%6ld %8ld\n", extract_long(buf, 4), extract_long(buf, 5));
 277                     }
 278
 279                 }
 280         }
 281         free(listing);
 282         pprintf("\n");
 283 }
 284
 285
 286 /*
 287  * grab assorted info about the user...
 288  */
 289 void load_user_info(char *params)
 290 {
 291         extract_token(fullname, params, 0, '|', sizeof fullname);
 292         axlevel = extract_int(params, 1);
 293         timescalled = extract_int(params, 2);
 294         posted = extract_int(params, 3);
 295         userflags = extract_int(params, 4);
 296         usernum = extract_long(params, 5);
 297         lastcall = extract_long(params, 6);
 298 }
 299
 300
 301 /*
 302  * Remove a room from the march list.  'floornum' is ignored unless
 303  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 304  * floor will be removed from the march list.
 305  */
 306 void remove_march(char *roomname, int floornum)
 307 {
 308         struct march *mptr, *mptr2;
 309
 310         if (marchptr == NULL)
 311                 return;
 312
 313         if ((!strcasecmp(marchptr->march_name, roomname))
 314             || ((!strcasecmp(roomname, "_FLOOR_")) && (marchptr->march_floor == floornum))) {
 315                 mptr = marchptr->next;
 316                 free(marchptr);
 317                 marchptr = mptr;
 318                 return;
 319         }
 320         mptr2 = marchptr;
 321         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
 322
 323                 if ((!strcasecmp(mptr->march_name, roomname))
 324                     || ((!strcasecmp(roomname, "_FLOOR_"))
 325                         && (mptr->march_floor == floornum))) {
 326
 327                         mptr2->next = mptr->next;
 328                         free(mptr);
 329                         mptr = mptr2;
 330                 } else {
 331                         mptr2 = mptr;
 332                 }
 333         }
 334 }
 335
 336
 337 /*
 338  * Locate the room on the march list which we most want to go to.  Each room
 339  * is measured given a "weight" of preference based on various factors.
 340  */
 341 char *pop_march(int desired_floor, struct march *_march)
 342 {
 343         static char TheRoom[ROOMNAMELEN];
 344         int TheFloor = 0;
 345         int TheOrder = 32767;
 346         int TheWeight = 0;
 347         int weight;
 348         struct march *mptr = NULL;
 349
 350         strcpy(TheRoom, "_BASEROOM_");
 351         if (_march == NULL)
 352                 return (TheRoom);
 353
 354         for (mptr = _march; mptr != NULL; mptr = mptr->next) {
 355                 weight = 0;
 356                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 357                         weight = weight + 10000;
 358                 if (mptr->march_floor == desired_floor)
 359                         weight = weight + 5000;
 360
 361                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 362                 weight = weight + (128 - (mptr->march_order));
 363
 364                 if (weight > TheWeight) {
 365                         TheWeight = weight;
 366                         strcpy(TheRoom, mptr->march_name);
 367                         TheFloor = mptr->march_floor;
 368                         TheOrder = mptr->march_order;
 369                 }
 370         }
 371         return (TheRoom);
 372 }
 373
 374
 375 /*
 376  * jump directly to a room
 377  */
 378 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
 379 {
 380         char aaa[SIZ], bbb[SIZ];
 381         static long ls = 0L;
 382         int newmailcount = 0;
 383         int partial_match, best_match;
 384         char from_floor;
 385         int ugpos = uglistsize;
 386         int r;                          /* IPC result code */
 387         struct ctdlipcroom *room = NULL;
 388         int rv = 0;
 389
 390         /* store ungoto information */
 391         if (fromungoto == 0) {
 392                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
 393                 if (uglistsize >= (UGLISTLEN-1)) {
 394                         int lp;
 395                         free (uglist[0]);
 396                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
 397                                 uglist[lp] = uglist[lp+1];
 398                                 uglistlsn[lp] = uglistlsn[lp+1];
 399                         }
 400                         ugpos--;
 401                 } else {
 402                         uglistsize++;
 403                 }
 404
 405                 uglist[ugpos] = malloc(strlen(room_name)+1);
 406                 strcpy(uglist[ugpos], room_name);
 407                 uglistlsn[ugpos] = ls;
 408         }
 409
 410         /* first try an exact match */
 411         r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
 412         if (r / 10 == 54) {
 413                 newprompt("Enter room password: ", bbb, 9);
 414                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
 415                 if (r / 10 == 54) {
 416                         scr_printf("Wrong password.\n");
 417                         return;
 418                 }
 419         }
 420
 421         /*
 422          * If a match is not found, try a partial match.
 423          * Partial matches anywhere in the string carry a weight of 1,
 424          * left-aligned matches carry a weight of 2.  Pick the room that
 425          * has the highest-weighted match.  Do not match on forgotten
 426          * rooms.
 427          */
 428         if (r / 100 != 2) {
 429                 struct march *march = NULL;
 430
 431                 best_match = 0;
 432                 strcpy(bbb, "");
 433
 434                 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
 435                 if (r / 100 == 1) {
 436                         /* Run the roomlist; free the data as we go */
 437                         struct march *mp = march;       /* Current */
 438
 439                         while (mp) {
 440                                 partial_match = 0;
 441                                 if (pattern(mp->march_name, towhere) >= 0) {
 442                                         partial_match = 1;
 443                                 }
 444                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
 445                                         partial_match = 2;
 446                                 }
 447                                 if (partial_match > best_match) {
 448                                         strcpy(bbb, mp->march_name);
 449                                         best_match = partial_match;
 450                                 }
 451                                 /* Both pointers are NULL at end of list */
 452                                 march = mp->next;
 453                                 free(mp);
 454                                 mp = march;
 455                         }
 456                 }
 457
 458                 if (IsEmptyStr(bbb)) {
 459                         scr_printf("No room '%s'.\n", towhere);
 460                         return;
 461                 }
 462                 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
 463         }
 464         if (r / 100 != 1 && r / 100 != 2) {
 465                 scr_printf("%s\n", aaa);
 466                 return;
 467         }
 468         safestrncpy(room_name, room->RRname, ROOMNAMELEN);
 469         room_flags = room->RRflags;
 470         room_flags2 = room->RRflags2;
 471         from_floor = curr_floor;
 472         curr_floor = room->RRfloor;
 473
 474         /* Determine, based on the room's default view, whether an <E>nter message
 475          * command will be valid here.
 476          */
 477         switch(room->RRdefaultview) {
 478                 case VIEW_BBS:
 479                 case VIEW_MAILBOX:
 480                                         entmsg_ok = 1;
 481                                         break;
 482                 default:
 483                                         entmsg_ok = 0;
 484                                         break;
 485         }
 486
 487         remove_march(room_name, 0);
 488         if (!strcasecmp(towhere, "_BASEROOM_"))
 489                 remove_march(towhere, 0);
 490         if (!room->RRunread)
 491                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
 492         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 493                 if (floorlist[(int) curr_floor][0] == 0)
 494                         load_floorlist(ipc);
 495                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 496         }
 497         if (display_name == 1) {
 498                 color(BRIGHT_WHITE);
 499                 scr_printf("%s ", room_name);
 500                 color(DIM_WHITE);
 501                 scr_printf("- ");
 502         }
 503         if (display_name != 2) {
 504                 color(BRIGHT_YELLOW);
 505                 scr_printf("%d ", room->RRunread);
 506                 color(DIM_WHITE);
 507                 scr_printf("new of ");
 508                 color(BRIGHT_YELLOW);
 509                 scr_printf("%d ", room->RRtotal);
 510                 color(DIM_WHITE);
 511                 scr_printf("messages.\n");
 512         }
 513         highest_msg_read = room->RRlastread;
 514         maxmsgnum = room->RRhighest;
 515         is_mail = room->RRismailbox;
 516         is_room_aide = room->RRaide;
 517         ls = room->RRlastread;
 518
 519         /* read info file if necessary */
 520         if (room->RRinfoupdated > 0)
 521                 readinfo(ipc);
 522
 523         /* check for newly arrived mail if we can */
 524         newmailcount = room->RRnewmail;
 525         if (newmailcount > 0) {
 526                 color(BRIGHT_RED);
 527                 if (newmailcount == 1) {
 528                         scr_printf("*** A new mail message has arrived.\n");
 529                 }
 530                 else {
 531                         scr_printf("*** %d new mail messages have arrived.\n",
 532                                         newmailcount);
 533                 }
 534                 color(DIM_WHITE);
 535                 if (!IsEmptyStr(rc_gotmail_cmd)) {
 536                         rv = system(rc_gotmail_cmd);
 537                 }
 538         }
 539         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location,
 540                         room_name, secure, newmailcount);
 541         free(room);
 542 }
 543
 544 /* Goto next room having unread messages.
 545  * We want to skip over rooms that the user has already been to, and take the
 546  * user back to the lobby when done.  The room we end up in is placed in
 547  * newroom - which is set to 0 (the lobby) initially.
 548  */
 549 void gotonext(CtdlIPC *ipc)
 550 {
 551         char buf[SIZ];
 552         struct march *mptr, *mptr2;
 553         char next_room[ROOMNAMELEN];
 554         int r;                          /* IPC response code */
 555
 556         /* Check to see if the march-mode list is already allocated.
 557          * If it is, pop the first room off the list and go there.
 558          */
 559         if (marchptr == NULL) {
 560                 r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
 561                                         AllFloors, &marchptr, buf);
 562
 563 /* add _BASEROOM_ to the end of the march list, so the user will end up
 564  * in the system base room (usually the Lobby>) at the end of the loop
 565  */
 566                 mptr = (struct march *) malloc(sizeof(struct march));
 567                 mptr->next = NULL;
 568                 mptr->march_order = 0;
 569                 mptr->march_floor = 0;
 570                 strcpy(mptr->march_name, "_BASEROOM_");
 571                 if (marchptr == NULL) {
 572                         marchptr = mptr;
 573                 } else {
 574                         mptr2 = marchptr;
 575                         while (mptr2->next != NULL)
 576                                 mptr2 = mptr2->next;
 577                         mptr2->next = mptr;
 578                 }
 579 /*
 580  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 581  * walk around in circles
 582  */
 583                 remove_march(room_name, 0);
 584         }
 585         if (marchptr != NULL) {
 586                 strcpy(next_room, pop_march(curr_floor, marchptr));
 587         } else {
 588                 strcpy(next_room, "_BASEROOM_");
 589         }
 590         remove_march(next_room, 0);
 591         dotgoto(ipc, next_room, 1, 0);
 592 }
 593
 594 /*
 595  * forget all rooms on a given floor
 596  */
 597 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
 598 {
 599         char buf[SIZ];
 600         struct march *flist = NULL;
 601         struct march *fptr = NULL;
 602         struct ctdlipcroom *room = NULL;
 603         int r;                          /* IPC response code */
 604
 605         scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
 606         scr_flush();
 607         remove_march("_FLOOR_", ffloor);
 608         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
 609         if (r / 100 != 1) {
 610                 scr_printf("Error %d: %s\n", r, buf);
 611                 return;
 612         }
 613         while (flist) {
 614                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
 615                 if (r / 100 == 2) {
 616                         r = CtdlIPCForgetRoom(ipc, buf);
 617                         if (r / 100 != 2) {
 618                                 scr_printf("Error %d: %s\n", r, buf);
 619                         }
 620
 621                 }
 622                 fptr = flist;
 623                 flist = flist->next;
 624                 free(fptr);
 625         }
 626         if (room) free(room);
 627 }
 628
 629
 630 /*
 631  * routine called by gotofloor() to move to a new room on a new floor
 632  */
 633 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
 634 {
 635         int floor_being_left;
 636
 637         floor_being_left = curr_floor;
 638
 639         if (mode == GF_GOTO) {          /* <;G>oto mode */
 640                 updatels(ipc);
 641                 dotgoto(ipc, towhere, 1, 0);
 642         }
 643         else if (mode == GF_SKIP) {     /* <;S>kip mode */
 644                 dotgoto(ipc, towhere, 1, 0);
 645                 remove_march("_FLOOR_", floor_being_left);
 646         }
 647         else if (mode == GF_ZAP) {      /* <;Z>ap mode */
 648                 dotgoto(ipc, towhere, 1, 0);
 649                 remove_march("_FLOOR_", floor_being_left);
 650                 forget_all_rooms_on(ipc, floor_being_left);
 651         }
 652 }
 653
 654
 655 /*
 656  * go to a new floor
 657  */
 658 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
 659 {
 660         int a, tofloor;
 661         int r;          /* IPC response code */
 662         struct march *mptr;
 663         char buf[SIZ], targ[SIZ];
 664
 665         if (floorlist[0][0] == 0)
 666                 load_floorlist(ipc);
 667         tofloor = (-1);
 668         for (a = 0; a < 128; ++a)
 669                 if (!strcasecmp(&floorlist[a][0], towhere))
 670                         tofloor = a;
 671
 672         if (tofloor < 0) {
 673                 for (a = 0; a < 128; ++a) {
 674                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 675                                 tofloor = a;
 676                         }
 677                 }
 678         }
 679         if (tofloor < 0) {
 680                 for (a = 0; a < 128; ++a)
 681                         if (pattern(towhere, &floorlist[a][0]) > 0)
 682                                 tofloor = a;
 683         }
 684         if (tofloor < 0) {
 685                 scr_printf("No floor '%s'.\n", towhere);
 686                 return;
 687         }
 688         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
 689                 if ((mptr->march_floor) == tofloor) {
 690                         gf_toroom(ipc, mptr->march_name, mode);
 691                         return;
 692                 }
 693         }
 694
 695         /* Find first known room on the floor */
 696
 697         strcpy(targ, "");
 698         mptr = NULL;
 699         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
 700         if (r / 100 == 1) {
 701                 struct march *tmp = mptr;
 702
 703                 /*. . . according to room order */
 704                 if (mptr)
 705             strcpy(targ, pop_march(tofloor, mptr));
 706                 while (mptr) {
 707                         tmp = mptr->next;
 708                         free(mptr);
 709                         mptr = tmp;
 710                 }
 711         }
 712         if (!IsEmptyStr(targ)) {
 713                 gf_toroom(ipc, targ, mode);
 714                 return;
 715         }
 716
 717         /* No known rooms on the floor; unzap the first one then */
 718
 719         strcpy(targ, "");
 720         mptr = NULL;
 721         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
 722         if (r / 100 == 1) {
 723                 struct march *tmp = mptr;
 724
 725         /*. . . according to room order */
 726                 if (mptr)
 727                         strcpy(targ, pop_march(tofloor, mptr));
 728                 while (mptr) {
 729                         tmp = mptr->next;
 730                         free(mptr);
 731                         mptr = tmp;
 732                 }
 733         }
 734         if (!IsEmptyStr(targ)) {
 735                 gf_toroom(ipc, targ, mode);
 736         } else {
 737                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 738         }
 739 }
 740
 741 /*
 742  * Indexing mechanism for a room list, called by gotoroomstep()
 743  */
 744 void room_tree_list_query(struct ctdlroomlisting *rp, char *findrmname, int findrmslot, char *rmname, int *rmslot, int *rmtotal)
 745 {
 746         char roomname[ROOMNAMELEN];
 747         static int cur_rmslot = 0;
 748
 749         if (rp == NULL) {
 750                 cur_rmslot = 0;
 751                 return;
 752         }
 753
 754         if (rp->lnext != NULL) {
 755                 room_tree_list_query(rp->lnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 756         }
 757
 758         if (sigcaught == 0) {
 759                 strcpy(roomname, rp->rlname);
 760
 761                 if (rmname != NULL) {
 762                         if (cur_rmslot == findrmslot) {
 763                                 strcpy(rmname, roomname);
 764                         }
 765                 }
 766                 if (rmslot != NULL) {
 767                         if (!strcmp(roomname, findrmname)) {
 768                                 *rmslot = cur_rmslot;
 769                         }
 770                 }
 771                 cur_rmslot++;
 772         }
 773
 774         if (rp->rnext != NULL) {
 775                 room_tree_list_query(rp->rnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 776         }
 777
 778         if ((rmname == NULL) && (rmslot == NULL))
 779                 free(rp);
 780
 781         if (rmtotal != NULL) {
 782                 *rmtotal = cur_rmslot;
 783         }
 784 }
 785
 786 /*
 787  * step through rooms on current floor
 788  */
 789 void  gotoroomstep(CtdlIPC *ipc, int direction, int mode)
 790 {
 791         struct march *listing = NULL;
 792         struct march *mptr;
 793         int r;          /* IPC response code */
 794         char buf[SIZ];
 795         struct ctdlroomlisting *rl = NULL;
 796         struct ctdlroomlisting *rp;
 797         struct ctdlroomlisting *rs;
 798         int list_it;
 799         char rmname[ROOMNAMELEN];
 800         int rmslot = 0;
 801         int rmtotal;
 802
 803         /* Ask the server for a room list */
 804         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, (-1), &listing, buf);
 805         if (r / 100 != 1) {
 806                 listing = NULL;
 807         }
 808
 809         load_floorlist(ipc);
 810
 811         for (mptr = listing; mptr != NULL; mptr = mptr->next) {
 812                 list_it = 1;
 813
 814                 if ( floor_mode
 815                          && (mptr->march_floor != curr_floor))
 816                         list_it = 0;
 817
 818                 if (list_it) {
 819                         rp = malloc(sizeof(struct ctdlroomlisting));
 820                         strncpy(rp->rlname, mptr->march_name, ROOMNAMELEN);
 821                         rp->rlflags = mptr->march_flags;
 822                         rp->rlfloor = mptr->march_floor;
 823                         rp->rlorder = mptr->march_order;
 824                         rp->lnext = NULL;
 825                         rp->rnext = NULL;
 826
 827                         rs = rl;
 828                         if (rl == NULL) {
 829                                 rl = rp;
 830                         } else {
 831                                 while (rp != NULL) {
 832                                         if (rordercmp(rp, rs) < 0) {
 833                                                 if (rs->lnext == NULL) {
 834                                                         rs->lnext = rp;
 835                                                         rp = NULL;
 836                                                 } else {
 837                                                         rs = rs->lnext;
 838                                                 }
 839                                         } else {
 840                                                 if (rs->rnext == NULL) {
 841                                                         rs->rnext = rp;
 842                                                         rp = NULL;
 843                                                 } else {
 844                                                         rs = rs->rnext;
 845                                                 }
 846                                         }
 847                                 }
 848                         }
 849                 }
 850         }
 851
 852         /* Find position of current room */
 853         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 854         room_tree_list_query(rl,  room_name, 0, NULL, &rmslot, &rmtotal);
 855
 856         if (direction == 0) { /* Previous room */
 857                 /* If we're at the first room, wrap to the last room */
 858                 if (rmslot == 0) {
 859                         rmslot = rmtotal - 1;
 860                 } else {
 861                         rmslot--;
 862                 }
 863         } else {                 /* Next room */
 864                 /* If we're at the last room, wrap to the first room */
 865                 if (rmslot == rmtotal - 1) {
 866                         rmslot = 0;
 867                 } else {
 868                         rmslot++;
 869                 }
 870         }
 871
 872         /* Get name of next/previous room */
 873         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 874         room_tree_list_query(rl,  NULL, rmslot, rmname, NULL, NULL);
 875
 876         /* Free the tree */
 877         room_tree_list_query(rl, NULL, 0, NULL, NULL, NULL);
 878
 879         if (mode == 0) { /* not skipping */
 880             updatels(ipc);
 881         } else {
 882                 if (rc_alt_semantics) {
 883                 updatelsa(ipc);
 884                 }
 885         }
 886
 887         /* Free the room list */
 888         while (listing) {
 889                 mptr = listing->next;
 890                 free(listing);
 891                 listing = mptr;
 892         };
 893
 894         dotgoto(ipc, rmname, 1, 0);
 895 }
 896
 897
 898 /*
 899  * step through floors on system
 900  */
 901 void  gotofloorstep(CtdlIPC *ipc, int direction, int mode)
 902 {
 903         int  tofloor;
 904
 905         if (floorlist[0][0] == 0)
 906                 load_floorlist(ipc);
 907
 908         empty_keep_going:
 909
 910         if (direction == 0) { /* Previous floor */
 911                 if (curr_floor) tofloor = curr_floor - 1;
 912                 else tofloor = 127;
 913
 914                 while (!floorlist[tofloor][0]) tofloor--;
 915         } else {                   /* Next floor */
 916                 if (curr_floor < 127) tofloor = curr_floor + 1;
 917                 else tofloor = 0;
 918
 919                 while (!floorlist[tofloor][0] && tofloor < 127) tofloor++;
 920                 if (!floorlist[tofloor][0])     tofloor = 0;
 921         }
 922         /* ;g works when not in floor mode so . . . */
 923         if (!floor_mode) {
 924                 scr_printf("(%s)\n", floorlist[tofloor] );
 925         }
 926
 927         gotofloor(ipc, floorlist[tofloor], mode);
 928         if (curr_floor != tofloor) { /* gotofloor failed */
 929              curr_floor = tofloor;
 930              goto empty_keep_going;
 931         }
 932 }
 933
 934 /*
 935  * Display user 'preferences'.
 936  */
 937 extern int rc_prompt_control;
 938 void read_config(CtdlIPC *ipc)
 939 {
 940         char buf[SIZ];
 941         char *resp = NULL;
 942         int r;                  /* IPC response code */
 943     char _fullname[USERNAME_SIZE];
 944         long _usernum;
 945         int _axlevel, _timescalled, _posted;
 946         time_t _lastcall;
 947         struct ctdluser *user = NULL;
 948
 949         /* get misc user info */
 950         r = CtdlIPCGetBio(ipc, fullname, &resp, buf);
 951         if (r / 100 != 1) {
 952                 pprintf("%s\n", buf);
 953                 return;
 954         }
 955         extract_token(_fullname, buf, 1, '|', sizeof fullname);
 956         _usernum = extract_long(buf, 2);
 957         _axlevel = extract_int(buf, 3);
 958         _lastcall = extract_long(buf, 4);
 959     _timescalled = extract_int(buf, 5);
 960         _posted = extract_int(buf, 6);
 961         free(resp);
 962         resp = NULL;
 963
 964         /* get preferences */
 965         r = CtdlIPCGetConfig(ipc, &user, buf);
 966         if (r / 100 != 2) {
 967                 scr_printf("%s\n", buf);
 968                 free(user);
 969                 return;
 970         }
 971
 972         /* show misc user info */
 973         scr_printf("%s\nAccess level: %d (%s)\n"
 974                    "User #%ld / %d Calls / %d Posts",
 975                    _fullname, _axlevel, axdefs[(int) _axlevel],
 976                    _usernum, _timescalled, _posted);
 977         if (_lastcall > 0L) {
 978                 scr_printf(" / Curr login: %s",
 979                            asctime(localtime(&_lastcall)));
 980         }
 981         scr_printf("\n");
 982
 983         /* show preferences */
 984         scr_printf("Your screen width: ");                                     color(BRIGHT_CYAN); scr_printf("%d",   /*user->USscreenwidth*/ screenwidth);          color(DIM_WHITE);
 985         scr_printf(", height: ");                                              color(BRIGHT_CYAN); scr_printf("%d\n", /*user->USscreenheight*/ screenheight);        color(DIM_WHITE);
 986         scr_printf("Are you an experienced Citadel user: ");                   color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXPERT) ? "Yes" : "No");     color(DIM_WHITE);
 987         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);
 988         scr_printf("Prompt after each message: ");                             color(BRIGHT_CYAN); scr_printf("%s\n", (!(user->flags & US_NOPROMPT))? "Yes" : "No"); color(DIM_WHITE);
 989         if ((user->flags & US_NOPROMPT) == 0) {
 990         scr_printf("Use 'disappearing' prompts: ");                        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_DISAPPEAR)? "Yes" : "No");   color(DIM_WHITE);
 991         }
 992         scr_printf("Pause after each screenful of text: ");                    color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PAGINATOR)? "Yes" : "No");   color(DIM_WHITE);
 993     if (rc_prompt_control == 3 && (user->flags & US_PAGINATOR)) {
 994         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);
 995         }
 996     if (rc_floor_mode == RC_DEFAULT) {
 997         scr_printf("View rooms by floor: ");                               color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_FLOORS)? "Yes" : "No");          color(DIM_WHITE);
 998         }
 999         if (rc_ansi_color == 3) {
1000             scr_printf("Enable color support: ");                              color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_COLOR)? "Yes" : "No");       color(DIM_WHITE);
1001         }
1002         scr_printf("Be unlisted in userlog: ");                                color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_UNLISTED)? "Yes" : "No");    color(DIM_WHITE);
1003         if (!IsEmptyStr(editor_paths[0])) {
1004         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);
1005         }
1006         free(user);
1007 }
1008
1009 /*
1010  * Display system statistics.
1011  */
1012 void system_info(CtdlIPC *ipc)
1013 {
1014         char buf[SIZ];
1015         char *resp = NULL;
1016         size_t bytes;
1017         int mrtg_users, mrtg_active_users;
1018         char mrtg_server_uptime[40];
1019         long mrtg_himessage;
1020         int ret;                        /* IPC response code */
1021
1022         /* get #users, #active & server uptime */
1023         ret = CtdlIPCGenericCommand(ipc, "MRTG|users", NULL, 0, &resp, &bytes, buf);
1024         mrtg_users = extract_int(resp, 0);
1025         remove_token(resp, 0, '\n');
1026         mrtg_active_users = extract_int(resp, 0);
1027         remove_token(resp, 0, '\n');
1028         extract_token(mrtg_server_uptime, resp, 0, '\n', sizeof mrtg_server_uptime);
1029     free(resp);
1030         resp = NULL;
1031
1032         /* get high message# */
1033         ret = CtdlIPCGenericCommand(ipc, "MRTG|messages", NULL, 0, &resp, &bytes, buf);
1034         mrtg_himessage = extract_long(resp, 0);
1035         free(resp);
1036         resp = NULL;
1037
1038         /* refresh server info just in case */
1039         CtdlIPCServerInfo(ipc, buf);
1040
1041         scr_printf("You are connected to %s (%s) @%s\n", ipc->ServInfo.nodename, ipc->ServInfo.humannode, ipc->ServInfo.fqdn);
1042         scr_printf("running %s with text client v%.2f,\n", ipc->ServInfo.software, (float)REV_LEVEL/100);
1043         scr_printf("server build %s,\n", ipc->ServInfo.svn_revision, (float)REV_LEVEL/100);
1044     scr_printf("and located in %s.\n", ipc->ServInfo.site_location);
1045     scr_printf("Connected users %d / Active users %d / Highest message #%ld\n", mrtg_users, mrtg_active_users, mrtg_himessage);
1046     scr_printf("Server uptime: %s\n", mrtg_server_uptime);
1047     scr_printf("Your system administrator is %s.\n", ipc->ServInfo.sysadm);
1048     scr_printf("Copyright (C)1987-2009 by the Citadel development team\n");
1049 }
1050
1051 /*
1052  * forget all rooms on current floor
1053  */
1054 void forget_this_floor(CtdlIPC *ipc)
1055 {
1056         if (curr_floor == 0) {
1057                 scr_printf("Can't forget this floor.\n");
1058                 return;
1059         }
1060         if (floorlist[0][0] == 0) {
1061                 load_floorlist(ipc);
1062         }
1063         scr_printf("Are you sure you want to forget all rooms on %s? ",
1064                &floorlist[(int) curr_floor][0]);
1065         if (yesno() == 0) {
1066                 return;
1067         }
1068
1069         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
1070 }
1071
1072
1073 /*
1074  * Figure out the physical screen dimensions, if we can
1075  * WARNING:  this is now called from a signal handler!
1076  */
1077 void check_screen_dims(void)
1078 {
1079 #ifdef TIOCGWINSZ
1080         struct {
1081                 unsigned short height;  /* rows */
1082                 unsigned short width;   /* columns */
1083                 unsigned short xpixels;
1084                 unsigned short ypixels;         /* pixels */
1085         } xwinsz;
1086
1087         if (have_xterm) {       /* dynamically size screen if on an xterm */
1088                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
1089                         if (xwinsz.height)
1090                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
1091                         if (xwinsz.width)
1092                                 screenwidth = (int) xwinsz.width;
1093                 }
1094         }
1095 #endif
1096 }
1097
1098
1099 /*
1100  * set floor mode depending on client, server, and user settings
1101  */
1102 void set_floor_mode(CtdlIPC* ipc)
1103 {
1104         if (ipc->ServInfo.ok_floors == 0) {
1105                 floor_mode = 0; /* Don't use floors if the server */
1106         }
1107         /* doesn't support them!          */
1108         else {
1109                 if (rc_floor_mode == RC_NO) {   /* never use floors */
1110                         floor_mode = 0;
1111                 }
1112                 if (rc_floor_mode == RC_YES) {  /* always use floors */
1113                         floor_mode = 1;
1114                 }
1115                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
1116                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
1117                 }
1118         }
1119 }
1120
1121 /*
1122  * Set or change the user's password
1123  */
1124 int set_password(CtdlIPC *ipc)
1125 {
1126         char pass1[20];
1127         char pass2[20];
1128         char buf[SIZ];
1129
1130         if (!IsEmptyStr(rc_password)) {
1131                 strcpy(pass1, rc_password);
1132                 strcpy(pass2, rc_password);
1133         } else {
1134                 IFNEXPERT formout(ipc, "changepw");
1135                 newprompt("Enter a new password: ", pass1, -19);
1136                 newprompt("Enter it again to confirm: ", pass2, -19);
1137         }
1138         strproc(pass1);
1139         strproc(pass2);
1140         if (!strcasecmp(pass1, pass2)) {
1141                 CtdlIPCChangePassword(ipc, pass1, buf);
1142                 scr_printf("%s\n", buf);
1143                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
1144                 return (0);
1145         } else {
1146                 scr_printf("*** They don't match... try again.\n");
1147                 return (1);
1148         }
1149 }
1150
1151
1152
1153 /*
1154  * get info about the server we've connected to
1155  */
1156 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
1157 {
1158         char buf[SIZ];
1159
1160         CtdlIPCServerInfo(ipc, buf);
1161
1162         /* be nice and identify ourself to the server */
1163         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
1164                  (ipc->isLocal ? "local" : CITADEL),
1165                  (supplied_hostname) ? supplied_hostname :
1166                  /* Look up the , in the bible if you're confused */
1167                  (locate_host(ipc, buf), buf), buf);
1168
1169         /* Indicate to the server that we prefer to decode Base64 and
1170          * quoted-printable on the client side.
1171          */
1172         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "dont_decode") / 100 ) != 2) {
1173                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1174                 logoff(ipc, 0);
1175         }
1176
1177         /*
1178          * Tell the server what our preferred content formats are.
1179          *
1180          * Originally we preferred HTML over plain text because we can format
1181          * it to the reader's screen width, but since our HTML-to-text parser
1182          * isn't really all that great, it's probably better to just go with
1183          * the plain text when we have it available.
1184          */
1185         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/plain|text/html") / 100 ) != 2) {
1186                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1187                 logoff(ipc, 0);
1188         }
1189 }
1190
1191
1192
1193 /*
1194  * Record compare function for SortOnlineUsers()
1195  */
1196 int idlecmp(const void *rec1, const void *rec2) {
1197         time_t i1, i2;
1198
1199         i1 = extract_long(rec1, 5);
1200         i2 = extract_long(rec2, 5);
1201
1202         if (i1 < i2) return(1);
1203         if (i1 > i2) return(-1);
1204         return(0);
1205 }
1206
1207
1208 /*
1209  * Sort the list of online users by idle time.
1210  * This function frees the supplied buffer, and returns a new one
1211  * to the caller.  The caller is responsible for freeing the returned buffer.
1212  */
1213 char *SortOnlineUsers(char *listing) {
1214         int rows;
1215         char *sortbuf;
1216         char *retbuf;
1217         char buf[SIZ];
1218         int i;
1219
1220         rows = num_tokens(listing, '\n');
1221         sortbuf = malloc(rows * SIZ);
1222         if (sortbuf == NULL) return(listing);
1223         retbuf = malloc(rows * SIZ);
1224         if (retbuf == NULL) {
1225                 free(sortbuf);
1226                 return(listing);
1227         }
1228
1229         /* Copy the list into a fixed-record-size array for sorting */
1230         for (i=0; i<rows; ++i) {
1231                 memset(buf, 0, SIZ);
1232                 extract_token(buf, listing, i, '\n', sizeof buf);
1233                 memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
1234         }
1235
1236         /* Do the sort */
1237         qsort(sortbuf, rows, SIZ, idlecmp);
1238
1239         /* Copy back to a \n delimited list */
1240         strcpy(retbuf, "");
1241         for (i=0; i<rows; ++i) {
1242                 strcat(retbuf, &sortbuf[i*SIZ]);
1243                 if (i<(rows-1)) strcat(retbuf, "\n");
1244         }
1245     free(listing);
1246     free(sortbuf);
1247         return(retbuf);
1248 }
1249
1250
1251
1252 /*
1253  * Display list of users currently logged on to the server
1254  */
1255 void who_is_online(CtdlIPC *ipc, int longlist)
1256 {
1257         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
1258         char flags[SIZ];
1259         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
1260         char clientsoft[SIZ];
1261         time_t timenow = 0;
1262         time_t idletime, idlehours, idlemins, idlesecs;
1263         int last_session = (-1);
1264         int skipidle = 0;
1265         char *listing = NULL;
1266         int r;                          /* IPC response code */
1267
1268         if (longlist == 2) {
1269                 longlist = 0;
1270                 skipidle = 1;
1271         }
1272
1273         if (!longlist) {
1274                 color(BRIGHT_WHITE);
1275                 pprintf("           User Name               Room          ");
1276                 if (screenwidth >= 80) pprintf(" Idle        From host");
1277                 pprintf("\n");
1278                 color(DIM_WHITE);
1279                 pprintf("   ------------------------- --------------------");
1280                 if (screenwidth >= 80) pprintf(" ---- ------------------------");
1281                 pprintf("\n");
1282         }
1283         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
1284         listing = SortOnlineUsers(listing);
1285         if (r / 100 == 1) {
1286                 while (!IsEmptyStr(listing)) {
1287                         int isidle = 0;
1288
1289                         /* Get another line */
1290                         extract_token(buf, listing, 0, '\n', sizeof buf);
1291                         remove_token(listing, 0, '\n');
1292
1293                         extract_token(username, buf, 1, '|', sizeof username);
1294                         extract_token(roomname, buf, 2, '|', sizeof roomname);
1295                         extract_token(fromhost, buf, 3, '|', sizeof fromhost);
1296                         extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
1297                         extract_token(flags, buf, 7, '|', sizeof flags);
1298
1299                         idletime = timenow - extract_long(buf, 5);
1300                         idlehours = idletime / 3600;
1301                         idlemins = (idletime - (idlehours * 3600)) / 60;
1302                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
1303
1304                         if (idletime > rc_idle_threshold) {
1305                                 if (skipidle) {
1306                                         isidle = 1;
1307                                 }
1308                         }
1309
1310                         if (longlist) {
1311                                 extract_token(actual_user, buf, 8, '|', sizeof actual_user);
1312                                 extract_token(actual_room, buf, 9, '|', sizeof actual_room);
1313                                 extract_token(actual_host, buf, 10, '|', sizeof actual_host);
1314
1315                                 pprintf("  Flags: %s\n", flags);
1316                                 pprintf("Session: %d\n", extract_int(buf, 0));
1317                                 pprintf("   Name: %s\n", username);
1318                                 pprintf("In room: %s\n", roomname);
1319                                 pprintf("   Host: %s\n", fromhost);
1320                                 pprintf(" Client: %s\n", clientsoft);
1321                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
1322                                         (long) idlehours,
1323                                         (long) idlemins,
1324                                         (long) idlesecs);
1325
1326                                 if ( (!IsEmptyStr(actual_user)&&
1327                                       !IsEmptyStr(actual_room)&&
1328                                       !IsEmptyStr(actual_host))) {
1329                                         pprintf("(really ");
1330                                         if (!IsEmptyStr(actual_user)) pprintf("<%s> ", actual_user);
1331                                         if (!IsEmptyStr(actual_room)) pprintf("in <%s> ", actual_room);
1332                                         if (!IsEmptyStr(actual_host)) pprintf("from <%s> ", actual_host);
1333                                         pprintf(")\n");
1334                                 }
1335                                 pprintf("\n");
1336
1337                         } else {
1338                                 if (isidle == 0) {
1339                                         if (extract_int(buf, 0) == last_session) {
1340                                                 pprintf("        ");
1341                                         }
1342                                         else {
1343                                                 color(BRIGHT_MAGENTA);
1344                                                 pprintf("%-3s", flags);
1345                                         }
1346                                         last_session = extract_int(buf, 0);
1347                                         color(BRIGHT_CYAN);
1348                                         pprintf("%-25s ", username);
1349                                         color(BRIGHT_MAGENTA);
1350                                         roomname[20] = 0;
1351                                         pprintf("%-20s", roomname);
1352
1353                                         if (screenwidth >= 80) {
1354                                                 pprintf(" ");
1355                                                 if (idletime > rc_idle_threshold) {
1356                                                         /* over 1000d, must be gone fishing */
1357                                                         if (idlehours > 23999) {
1358                                                                 pprintf("fish");
1359                                                         /* over 10 days */
1360                                                         } else if (idlehours > 239) {
1361                                                                 pprintf("%3ldd", idlehours / 24);
1362                                                         /* over 10 hours */
1363                                                         } else if (idlehours > 9) {
1364                                                                 pprintf("%1ldd%02ld",
1365                                                                         idlehours / 24,
1366                                                                         idlehours % 24);
1367                                                         /* less than 10 hours */
1368                                                         }
1369                                                         else {
1370                                                                 pprintf("%1ld:%02ld", idlehours, idlemins);
1371                                                         }
1372                                                 }
1373                                                 else {
1374                                                         pprintf("    ");
1375                                                 }
1376                                                 pprintf(" ");
1377                                                 color(BRIGHT_CYAN);
1378                                                 fromhost[24] = '\0';
1379                                                 pprintf("%-24s", fromhost);
1380                                         }
1381                                         pprintf("\n");
1382                                         color(DIM_WHITE);
1383                                 }
1384                         }
1385                 }
1386         }
1387         free(listing);
1388 }
1389
1390 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
1391 {
1392         char bbb[128];
1393         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
1394         newprompt(bbb, buf, maxlen);
1395 }
1396
1397
1398
1399 int shift(int argc, char **argv, int start, int count) {
1400         int i;
1401
1402         for (i=start; i<(argc-count); ++i) {
1403                 argv[i] = argv[i+count];
1404         }
1405         argc = argc - count;
1406         return argc;
1407 }
1408
1409 static void statusHook(char *s) {
1410         sln_printf(s);
1411         sln_flush();
1412 }
1413
1414 /*
1415  * main
1416  */
1417 int main(int argc, char **argv)
1418 {
1419         int a, b, mcmd;
1420         char aaa[100], bbb[100];/* general purpose variables */
1421         char argbuf[64];        /* command line buf */
1422         char nonce[NONCE_SIZE];
1423         char *telnet_client_host = NULL;
1424         char *sptr, *sptr2;     /* USed to extract the nonce */
1425         char hexstring[MD5_HEXSTRING_SIZE];
1426         int stored_password = 0;
1427         char password[SIZ];
1428         struct ctdlipcmisc chek;
1429         struct ctdluser *myself = NULL;
1430         CtdlIPC* ipc;                   /* Our server connection */
1431         int r;                          /* IPC result code */
1432         int rv = 0;                     /* fetch but ignore syscall return value to suppress warnings */
1433
1434         int relh=0;
1435         int home=0;
1436         char relhome[PATH_MAX]="";
1437         char ctdldir[PATH_MAX]=CTDLDIR;
1438     int lp;
1439 #ifdef HAVE_BACKTRACE
1440         eCrashParameters params;
1441 //      eCrashSymbolTable symbol_table;
1442 #endif
1443         calc_dirs_n_files(relh, home, relhome, ctdldir, 0);
1444
1445 #ifdef HAVE_BACKTRACE
1446         bzero(&params, sizeof(params));
1447         params.filename = file_pid_paniclog;
1448 //      panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
1449         params.filep = fopen(file_pid_paniclog, "a+");
1450         params.debugLevel = ECRASH_DEBUG_VERBOSE;
1451         params.dumpAllThreads = TRUE;
1452         params.useBacktraceSymbols = 1;
1453 ///     BuildSymbolTable(&symbol_table);
1454 //      params.symbolTable = &symbol_table;
1455         params.signals[0]=SIGSEGV;
1456         params.signals[1]=SIGILL;
1457         params.signals[2]=SIGBUS;
1458         params.signals[3]=SIGABRT;
1459
1460         eCrash_Init(&params);
1461 #endif
1462         setIPCDeathHook(screen_delete);
1463         setIPCErrorPrintf(err_printf);
1464         setCryptoStatusHook(statusHook);
1465
1466         /* Permissions sanity check - don't run citadel setuid/setgid */
1467         if (getuid() != geteuid()) {
1468                 err_printf("Please do not run citadel setuid!\n");
1469                 logoff(NULL, 3);
1470         } else if (getgid() != getegid()) {
1471                 err_printf("Please do not run citadel setgid!\n");
1472                 logoff(NULL, 3);
1473         }
1474
1475         stty_ctdl(SB_SAVE);     /* Store the old terminal parameters */
1476         load_command_set();     /* parse the citadel.rc file */
1477         stty_ctdl(SB_NO_INTR);  /* Install the new ones */
1478         /* signal(SIGHUP, dropcarr);FIXME */    /* Cleanup gracefully if carrier is dropped */
1479         signal(SIGPIPE, dropcarr);      /* Cleanup gracefully if local conn. dropped */
1480         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
1481         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1482 #ifdef SIGWINCH
1483         signal(SIGWINCH, scr_winch);    /* Window resize signal */
1484 #endif
1485
1486 #ifdef HAVE_OPENSSL
1487         arg_encrypt = RC_DEFAULT;
1488 #endif
1489 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1490         arg_screen = RC_DEFAULT;
1491 #endif
1492
1493         /*
1494          * Handle command line options as if we were called like /bin/login
1495          * (i.e. from in.telnetd)
1496          */
1497         for (a=0; a<argc; ++a) {
1498                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1499                         telnet_client_host = argv[a+1];
1500                         argc = shift(argc, argv, a, 2);
1501                 }
1502                 if (!strcmp(argv[a], "-x")) {
1503 #ifdef HAVE_OPENSSL
1504                         arg_encrypt = RC_NO;
1505 #endif
1506                         argc = shift(argc, argv, a, 1);
1507                 }
1508                 if (!strcmp(argv[a], "-X")) {
1509 #ifdef HAVE_OPENSSL
1510                         arg_encrypt = RC_YES;
1511                         argc = shift(argc, argv, a, 1);
1512 #else
1513                         fprintf(stderr, "Not compiled with encryption support");
1514                         return 1;
1515 #endif
1516                 }
1517                 if (!strcmp(argv[a], "-s")) {
1518 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1519                         arg_screen = RC_NO;
1520 #endif
1521                         argc = shift(argc, argv, a, 1);
1522                 }
1523                 if (!strcmp(argv[a], "-S")) {
1524 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1525                         arg_screen = RC_YES;
1526 #endif
1527                         argc = shift(argc, argv, a, 1);
1528                 }
1529                 if (!strcmp(argv[a], "-p")) {
1530                         struct stat st;
1531
1532                         if (chdir(CTDLDIR) < 0) {
1533                                 perror("can't change to " CTDLDIR);
1534                                 logoff(NULL, 3);
1535                         }
1536
1537                         /*
1538                          * Drop privileges if necessary. We stat
1539                          * citadel.config to get the uid/gid since it's
1540                          * guaranteed to have the uid/gid we want.
1541                          */
1542                         if (!getuid() || !getgid()) {
1543                                 if (stat(file_citadel_config, &st) < 0) {
1544                                         perror("couldn't stat citadel.config");
1545                                         logoff(NULL, 3);
1546                                 }
1547                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1548                                         perror("couldn't change gid");
1549                                         logoff(NULL, 3);
1550                                 }
1551                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1552                                         perror("couldn't change uid");
1553                                         logoff(NULL, 3);
1554                                 }
1555                                 /*
1556                                   scr_printf("Privileges changed to uid %d gid %d\n",
1557                                   getuid(), getgid());
1558                                 */
1559                         }
1560                         argc = shift(argc, argv, a, 1);
1561                 }
1562         }
1563
1564
1565         screen_new();
1566
1567 #ifdef __CYGWIN__
1568         newprompt("Connect to (return for local server): ", hostbuf, 64);
1569 #endif
1570
1571         sln_printf("Attaching to server...\n");
1572         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1573         if (!ipc) {
1574                 screen_delete();
1575                 error_printf("Can't connect: %s\n", strerror(errno));
1576                 logoff(NULL, 3);
1577         }
1578
1579         if (!(ipc->isLocal)) {
1580                 sln_printf("Connected to %s [%s].\n", ipc->ip_hostname, ipc->ip_address);
1581         }
1582
1583 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1584         CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1585 #endif
1586         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1587
1588         CtdlIPC_chat_recv(ipc, aaa);
1589         if (aaa[0] != '2') {
1590                 scr_printf("%s\n", &aaa[4]);
1591                 logoff(ipc, atoi(aaa));
1592         }
1593
1594         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1595          * is zeroized.
1596          */
1597
1598         if ((sptr = strchr(aaa, '<')) == NULL)
1599                 {
1600                         nonce[0] = '\0';
1601                 }
1602         else
1603                 {
1604                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1605                                 {
1606                                         nonce[0] = '\0';
1607                                 }
1608                         else
1609                                 {
1610                                         sptr2++;
1611                                         *sptr2 = '\0';
1612                                         strncpy(nonce, sptr, (size_t)NONCE_SIZE);
1613                                 }
1614                 }
1615
1616 #ifdef HAVE_OPENSSL
1617         /* Evaluate encryption preferences */
1618         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1619                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1620                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1621                         if (!secure)
1622                                 error_printf("Can't encrypt: %s\n", aaa);
1623                 }
1624         }
1625 #endif
1626
1627         get_serv_info(ipc, telnet_client_host);
1628         scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
1629                    ipc->ServInfo.site_location);
1630         scr_flush();
1631
1632         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location, NULL,
1633                     secure, -1);
1634
1635         screenwidth = 80;       /* default screen dimensions */
1636         screenheight = 24;
1637
1638         scr_printf(" pause    next    stop\n");
1639         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1640         formout(ipc, "hello");  /* print the opening greeting */
1641         scr_printf("\n");
1642
1643  GSTA:  /* See if we have a username and password on disk */
1644         if (rc_remember_passwords) {
1645                 get_stored_password(hostbuf, portbuf, fullname, password);
1646                 if (!IsEmptyStr(fullname)) {
1647                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1648                         if (r / 100 == 3) {
1649                                 if (*nonce) {
1650                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1651                                 } else {
1652                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1653                                 }
1654                         }
1655
1656                         if (r / 100 == 2) {
1657                                 load_user_info(aaa);
1658                                 stored_password = 1;
1659                                 goto PWOK;
1660                         } else {
1661                                 set_stored_password(hostbuf, portbuf, "", "");
1662                         }
1663                 }
1664         }
1665
1666         termn8 = 0;
1667         newnow = 0;
1668         do {
1669                 if (!IsEmptyStr(rc_username)) {
1670                         strcpy(fullname, rc_username);
1671                 } else {
1672                         newprompt("Enter your name: ", fullname, 29);
1673                 }
1674                 strproc(fullname);
1675                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1676                         scr_printf("Please enter the name you wish to log in with.\n");
1677                 }
1678         } while (
1679                  (!strcasecmp(fullname, "bbs"))
1680                  || (!strcasecmp(fullname, "new"))
1681                  || (IsEmptyStr(fullname)));
1682
1683         if (!strcasecmp(fullname, "off")) {
1684                 mcmd = 29;
1685                 goto TERMN8;
1686         }
1687
1688         /* FIXME this is a stupid way to do guest mode but it's a reasonable test harness FIXME */
1689         if ( (ipc->ServInfo.guest_logins) && (!strcasecmp(fullname, "guest")) ) {
1690                 goto PWOK;
1691         }
1692
1693         /* sign on to the server */
1694         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1695         if (r / 100 != 3)
1696                 goto NEWUSR;
1697
1698         /* password authentication */
1699         if (!IsEmptyStr(rc_password)) {
1700                 strcpy(password, rc_password);
1701         } else {
1702                 newprompt("\rPlease enter your password: ", password, -19);
1703         }
1704
1705         if (*nonce) {
1706                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1707                 if (r / 100 != 2) {
1708                         strproc(password);
1709                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1710                 }
1711         } else {
1712                 r = CtdlIPCTryPassword(ipc, password, aaa);
1713                 if (r / 100 != 2) {
1714                         strproc(password);
1715                         r = CtdlIPCTryPassword(ipc, password, aaa);
1716                 }
1717         }
1718
1719         if (r / 100 == 2) {
1720                 load_user_info(aaa);
1721                 offer_to_remember_password(ipc, hostbuf, portbuf,
1722                                            fullname, password);
1723                 goto PWOK;
1724         }
1725         scr_printf("<< wrong password >>\n");
1726         if (!IsEmptyStr(rc_password))
1727                 logoff(ipc, 2);
1728         goto GSTA;
1729
1730 NEWUSR: if (IsEmptyStr(rc_password)) {
1731                 scr_printf("'%s' not found.\n", fullname);
1732                 scr_printf("Type 'off' if you would like to exit.\n");
1733                 if (ipc->ServInfo.newuser_disabled == 1) {
1734                         goto GSTA;
1735                 }
1736                 scr_printf("Do you want to create a new user account called '%s'? ",
1737                         fullname);
1738                 if (yesno() == 0) {
1739                         goto GSTA;
1740                 }
1741         }
1742
1743         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1744         if (r / 100 != 2) {
1745                 scr_printf("%s\n", aaa);
1746                 goto GSTA;
1747         }
1748         load_user_info(aaa);
1749
1750         while (set_password(ipc) != 0);
1751         newnow = 1;
1752
1753         enter_config(ipc, 1);
1754
1755  PWOK:
1756         /* Switch color support on or off if we're in user mode */
1757         if (rc_ansi_color == 3) {
1758                 if (userflags & US_COLOR)
1759                         enable_color = 1;
1760                 else
1761                         enable_color = 0;
1762         }
1763
1764         color(BRIGHT_WHITE);
1765         scr_printf("\n%s\nAccess level: %d (%s)\n"
1766                    "User #%ld / Login #%d",
1767                    fullname, axlevel, axdefs[(int) axlevel],
1768                    usernum, timescalled);
1769         if (lastcall > 0L) {
1770                 scr_printf(" / Last login: %s",
1771                            asctime(localtime(&lastcall)));
1772         }
1773         scr_printf("\n");
1774
1775         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1776         if (r / 100 == 2) {
1777                 b = chek.newmail;
1778                 if (b > 0) {
1779                         color(BRIGHT_RED);
1780                         if (b == 1)
1781                                 scr_printf("*** You have a new private message in Mail>\n");
1782                         if (b > 1)
1783                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1784                         color(DIM_WHITE);
1785                         if (!IsEmptyStr(rc_gotmail_cmd)) {
1786                                 rv = system(rc_gotmail_cmd);
1787                         }
1788                 }
1789                 if ((axlevel >= AxAideU) && (chek.needvalid > 0)) {
1790                         scr_printf("*** Users need validation\n");
1791                 }
1792                 if (chek.needregis > 0) {
1793                         scr_printf("*** Please register.\n");
1794                         formout(ipc, "register");
1795                         entregis(ipc);
1796                 }
1797         }
1798         /* Make up some temporary filenames for use in various parts of the
1799          * program.  Don't mess with these once they've been set, because we
1800          * will be unlinking them later on in the program and we don't
1801          * want to delete something that we didn't create. */
1802         CtdlMakeTempFileName(temp, sizeof temp);
1803         CtdlMakeTempFileName(temp2, sizeof temp2);
1804         CtdlMakeTempFileName(tempdir, sizeof tempdir);
1805
1806         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1807          * we try to get the user's actual screen dimensions off the server.
1808          * However, if we're running on an xterm, all this stuff is
1809          * irrelevant because we're going to dynamically size the screen
1810          * during the session.
1811          */
1812         screenwidth = 80;
1813         screenheight = 24;
1814         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1815         if (r == 2) {
1816                 screenwidth = myself->USscreenwidth;
1817                 screenheight = myself->USscreenheight;
1818         }
1819         if (getenv("TERM") != NULL)
1820                 if (!strcmp(getenv("TERM"), "xterm")) {
1821                         have_xterm = 1;
1822                 }
1823 #ifdef TIOCGWINSZ
1824         check_screen_dims();
1825 #endif
1826
1827         set_floor_mode(ipc);
1828
1829         /* Enter the lobby */
1830         dotgoto(ipc, "_BASEROOM_", 1, 0);
1831
1832         /* Main loop for the system... user is logged in. */
1833     free(uglist[0]);
1834         uglistsize = 0;
1835
1836         if (newnow == 1)
1837                 readmsgs(ipc, LastMessages, ReadForward, 5);
1838         else
1839                 readmsgs(ipc, NewMessages, ReadForward, 0);
1840
1841         /* MAIN COMMAND LOOP */
1842         do {
1843                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1844
1845 #ifdef TIOCGWINSZ
1846                 check_screen_dims();            /* if xterm, get screen size */
1847 #endif
1848
1849                 if (termn8 == 0)
1850                         switch (mcmd) {
1851                         case 1:
1852                                 formout(ipc, "help");
1853                                 break;
1854                         case 4:
1855                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1856                                 break;
1857                         case 36:
1858                                 entmsg(ipc, 0, 1, 0);
1859                                 break;
1860                         case 46:
1861                                 entmsg(ipc, 0, 2, 0);
1862                                 break;
1863                         case 78:
1864                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 1);
1865                                 break;
1866                         case 5:                         /* <G>oto */
1867                                 updatels(ipc);
1868                                 gotonext(ipc);
1869                                 break;
1870                         case 47:                        /* <A>bandon */
1871                                 if (!rc_alt_semantics) {
1872                                         updatelsa(ipc);
1873                                 }
1874                                 gotonext(ipc);
1875                                 break;
1876                         case 90:                        /* <.A>bandon */
1877                                 if (!rc_alt_semantics)
1878                                         updatelsa(ipc);
1879                                 dotgoto(ipc, argbuf, 0, 0);
1880                                 break;
1881                         case 58:                        /* <M>ail */
1882                                 updatelsa(ipc);
1883                                 dotgoto(ipc, "_MAIL_", 1, 0);
1884                                 break;
1885                         case 20:
1886                                 if (!IsEmptyStr(argbuf)) {
1887                                         updatels(ipc);
1888                                         dotgoto(ipc, argbuf, 0, 0);
1889                                 }
1890                                 break;
1891                         case 52:
1892                                 if (!IsEmptyStr(argbuf)) {
1893                                         if (rc_alt_semantics) {
1894                                                 updatelsa(ipc);
1895                                         }
1896                                         dotgoto(ipc, argbuf, 0, 0);
1897                                 }
1898                                 break;
1899                         case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
1900                                 dotungoto(ipc, argbuf);
1901                                 break;
1902                         case 10:
1903                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1904                                 break;
1905                         case 9:
1906                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1907                                 break;
1908                         case 13:
1909                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1910                                 break;
1911                         case 11:
1912                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1913                                 break;
1914                         case 12:
1915                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1916                                 break;
1917                         case 71:
1918                                 readmsgs(ipc, LastMessages, ReadForward,
1919                                                 atoi(argbuf));
1920                                 break;
1921                         case 7:
1922                                 forget(ipc);
1923                                 break;
1924                         case 18:
1925                                 subshell();
1926                                 break;
1927                         case 38:
1928                                 updatels(ipc);
1929                                 entroom(ipc);
1930                                 break;
1931                         case 22:
1932                                 killroom(ipc);
1933                                 break;
1934                         case 32:
1935                                 userlist(ipc, argbuf);
1936                                 break;
1937                         case 27:
1938                                 invite(ipc);
1939                                 break;
1940                         case 28:
1941                                 kickout(ipc);
1942                                 break;
1943                         case 23:
1944                                 editthisroom(ipc);
1945                                 break;
1946                         case 14:
1947                                 roomdir(ipc);
1948                                 break;
1949                         case 33:
1950                                 download(ipc, 0);
1951                                 break;
1952                         case 34:
1953                                 download(ipc, 1);
1954                                 break;
1955                         case 31:
1956                                 download(ipc, 2);
1957                                 break;
1958                         case 43:
1959                                 download(ipc, 3);
1960                                 break;
1961                         case 45:
1962                                 download(ipc, 4);
1963                                 break;
1964                         case 55:
1965                                 download(ipc, 5);
1966                                 break;
1967                         case 39:
1968                                 upload(ipc, 0);
1969                                 break;
1970                         case 40:
1971                                 upload(ipc, 1);
1972                                 break;
1973                         case 42:
1974                                 upload(ipc, 2);
1975                                 break;
1976                         case 44:
1977                                 upload(ipc, 3);
1978                                 break;
1979                         case 57:
1980                                 cli_upload(ipc);
1981                                 break;
1982                         case 16:
1983                                 ungoto(ipc);
1984                                 break;
1985                         case 24:
1986                                 whoknows(ipc);
1987                                 break;
1988                         case 26:
1989                                 validate(ipc);
1990                                 break;
1991                         case 29:
1992                         case 30:
1993                                 if (!rc_alt_semantics) {
1994                                         updatels(ipc);
1995                                 }
1996                                 termn8 = 1;
1997                                 break;
1998                         case 48:
1999                                 enterinfo(ipc);
2000                                 break;
2001                         case 49:
2002                                 readinfo(ipc);
2003                                 break;
2004                         case 72:
2005                                 cli_image_upload(ipc, "_userpic_");
2006                                 break;
2007                         case 73:
2008                                 cli_image_upload(ipc, "_roompic_");
2009                                 break;
2010
2011                         case 74:
2012                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
2013                                 cli_image_upload(ipc, aaa);
2014                                 break;
2015
2016                         case 75:
2017                                 enternew(ipc, "roomname", aaa, 20);
2018                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
2019                                 if (r / 100 != 2)
2020                                         scr_printf("\n%s\n", bbb);
2021                                 break;
2022                         case 76:
2023                                 enternew(ipc, "hostname", aaa, 25);
2024                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
2025                                 if (r / 100 != 2)
2026                                         scr_printf("\n%s\n", bbb);
2027                                 break;
2028                         case 77:
2029                                 enternew(ipc, "username", aaa, 32);
2030                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
2031                                 if (r / 100 != 2)
2032                                         scr_printf("\n%s\n", bbb);
2033                                 break;
2034
2035                         case 35:
2036                                 set_password(ipc);
2037                                 break;
2038
2039                         case 21:
2040                                 if (argbuf[0] == 0)
2041                                         strcpy(aaa, "?");
2042                                 display_help(ipc, argbuf);
2043                                 break;
2044
2045                         case 41:
2046                                 formout(ipc, "register");
2047                                 entregis(ipc);
2048                                 break;
2049
2050                         case 15:
2051                                 scr_printf("Are you sure (y/n)? ");
2052                                 if (yesno() == 1) {
2053                                         if (!rc_alt_semantics)
2054                                                 updatels(ipc);
2055                                         a = 0;
2056                                         termn8 = 1;
2057                                 }
2058                                 break;
2059
2060                         case 85:
2061                                 scr_printf("All users will be disconnected!  "
2062                                            "Really terminate the server? ");
2063                                 if (yesno() == 1) {
2064                                         if (!rc_alt_semantics)
2065                                                 updatels(ipc);
2066                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
2067                                         scr_printf("%s\n", aaa);
2068                                         if (r / 100 == 2) {
2069                                                 a = 0;
2070                                                 termn8 = 1;
2071                                         }
2072                                 }
2073                                 break;
2074
2075                         case 86:
2076                                 scr_printf("Do you really want to schedule a "
2077                                            "server shutdown? ");
2078                                 if (yesno() == 1) {
2079                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
2080                                         if (r / 100 == 2) {
2081                                                 if (atoi(aaa)) {
2082                                                         scr_printf(
2083                                                                    "The Citadel server will terminate when all users are logged off.\n"
2084                                                                    );
2085                                                 } else {
2086                                                         scr_printf(
2087                                                                    "The Citadel server will not terminate.\n"
2088                                                                    );
2089                                                 }
2090                                         }
2091                                 }
2092                                 break;
2093
2094                         case 87:
2095                                 network_config_management(ipc, "listrecp",
2096                                                           "Message-by-message mailing list recipients");
2097                                 break;
2098
2099                         case 94:
2100                                 network_config_management(ipc, "digestrecp",
2101                                                           "Digest mailing list recipients");
2102                                 break;
2103
2104                         case 89:
2105                                 network_config_management(ipc, "ignet_push_share",
2106                                                           "Nodes with which we share this room");
2107                                 break;
2108
2109                         case 88:
2110                                 do_ignet_configuration(ipc);
2111                                 break;
2112
2113                         case 92:
2114                                 do_filterlist_configuration(ipc);
2115                                 break;
2116
2117                         case 6:
2118                                 if (rc_alt_semantics) {
2119                                         updatelsa(ipc);
2120                                 }
2121                                 gotonext(ipc);
2122                                 break;
2123
2124                         case 3:
2125                                 chatmode(ipc);
2126                                 break;
2127
2128                         case 17:
2129                                 who_is_online(ipc, 0);
2130                                 break;
2131
2132                         case 79:
2133                                 who_is_online(ipc, 1);
2134                                 break;
2135
2136                         case 91:
2137                                 who_is_online(ipc, 2);
2138                                 break;
2139
2140                         case 80:
2141                                 do_system_configuration(ipc);
2142                                 break;
2143
2144                         case 82:
2145                                 do_internet_configuration(ipc);
2146                                 break;
2147
2148                         case 83:
2149                                 check_message_base(ipc);
2150                                 break;
2151
2152                         case 84:
2153                                 quiet_mode(ipc);
2154                                 break;
2155
2156                         case 93:
2157                                 stealth_mode(ipc);
2158                                 break;
2159
2160                         case 50:
2161                                 enter_config(ipc, 2);
2162                                 break;
2163
2164                         case 37:
2165                                 enter_config(ipc, 0);
2166                                 set_floor_mode(ipc);
2167                                 break;
2168
2169                         case 59:
2170                                 enter_config(ipc, 3);
2171                                 set_floor_mode(ipc);
2172                                 break;
2173
2174                         case 60:
2175                                 gotofloor(ipc, argbuf, GF_GOTO);
2176                                 break;
2177
2178                         case 61:
2179                                 gotofloor(ipc, argbuf, GF_SKIP);
2180                                 break;
2181
2182                         case 62:
2183                                 forget_this_floor(ipc);
2184                                 break;
2185
2186                         case 63:
2187                                 create_floor(ipc);
2188                                 break;
2189
2190                         case 64:
2191                                 edit_floor(ipc);
2192                                 break;
2193
2194                         case 65:
2195                                 kill_floor(ipc);
2196                                 break;
2197
2198                         case 66:
2199                                 enter_bio(ipc);
2200                                 break;
2201
2202                         case 67:
2203                                 read_bio(ipc);
2204                                 break;
2205
2206                         case 25:
2207                                 edituser(ipc, 25);
2208                                 break;
2209
2210                         case 96:
2211                                 edituser(ipc, 96);
2212                                 break;
2213
2214                         case 8:
2215                                 knrooms(ipc, floor_mode);
2216                                 scr_printf("\n");
2217                                 break;
2218
2219                         case 68:
2220                                 knrooms(ipc, 2);
2221                                 scr_printf("\n");
2222                                 break;
2223
2224                         case 69:
2225                                 misc_server_cmd(ipc, argbuf);
2226                                 break;
2227
2228                         case 70:
2229                                 edit_system_message(ipc, argbuf);
2230                                 break;
2231
2232                         case 19:
2233                                 listzrooms(ipc);
2234                                 scr_printf("\n");
2235                                 break;
2236
2237                         case 51:
2238                                 deletefile(ipc);
2239                                 break;
2240
2241                         case 54:
2242                                 movefile(ipc);
2243                                 break;
2244
2245                         case 56:
2246                                 page_user(ipc);
2247                                 break;
2248
2249             case 110:           /* <+> Next room */
2250                                  gotoroomstep(ipc, 1, 0);
2251                              break;
2252
2253             case 111:           /* <-> Previous room */
2254                  gotoroomstep(ipc, 0, 0);
2255                              break;
2256
2257                         case 112:           /* <>> Next floor */
2258                  gotofloorstep(ipc, 1, GF_GOTO);
2259                              break;
2260
2261                         case 113:           /* <<> Previous floor */
2262                  gotofloorstep(ipc, 0, GF_GOTO);
2263                                  break;
2264
2265             case 116:           /* <.> skip to <+> Next room */
2266                  gotoroomstep(ipc, 1, 1);
2267                              break;
2268
2269             case 117:           /* <.> skip to <-> Previous room */
2270                  gotoroomstep(ipc, 0, 1);
2271                              break;
2272
2273                         case 118:           /* <.> skip to <>> Next floor */
2274                  gotofloorstep(ipc, 1, GF_SKIP);
2275                              break;
2276
2277                         case 119:           /* <.> skip to <<> Previous floor */
2278                  gotofloorstep(ipc, 0, GF_SKIP);
2279                                  break;
2280
2281                         case 114:
2282                  read_config(ipc);
2283                                  break;
2284
2285                         case 115:
2286                  system_info(ipc);
2287                                  break;
2288
2289                         case 120:           /* .KAnonymous */
2290                          dotknown(ipc, 0, NULL);
2291                                  break;
2292
2293                         case 121:           /* .KDirectory */
2294                          dotknown(ipc, 1, NULL);
2295                                  break;
2296
2297                         case 122:           /* .KMatch */
2298                          dotknown(ipc, 2, argbuf);
2299                                  break;
2300
2301                         case 123:           /* .KpreferredOnly */
2302                          dotknown(ipc, 3, NULL);
2303                                  break;
2304
2305                         case 124:           /* .KPrivate */
2306                          dotknown(ipc, 4, NULL);
2307                                  break;
2308
2309                         case 125:           /* .KRead only */
2310                          dotknown(ipc, 5, NULL);
2311                                  break;
2312
2313                         case 126:           /* .KShared */
2314                          dotknown(ipc, 6, NULL);
2315                                  break;
2316
2317                         case 127:           /* Configure POP3 aggregation */
2318                                 do_pop3client_configuration(ipc);
2319                                 break;
2320
2321                         case 128:           /* Configure XML/RSS feed retrieval */
2322                                 do_rssclient_configuration(ipc);
2323                                 break;
2324
2325                         default: /* allow some math on the command */
2326                                 /* commands 100... to 100+MAX_EDITORS-1 will
2327                                    call the appropriate editor... in other
2328                                    words, command numbers 100+ will match
2329                                    the citadel.rc keys editor0, editor1, etc.*/
2330                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
2331                                 {
2332                                         /* entmsg mode >=2 select editor */
2333                                         entmsg(ipc, 0, mcmd - 100 + 2, 0);
2334                                         break;
2335                                 }
2336                         }       /* end switch */
2337         } while (termn8 == 0);
2338
2339 TERMN8: scr_printf("%s logged out.", fullname);
2340         termn8 = 0;
2341         color(ORIGINAL_PAIR);
2342         scr_printf("\n");
2343         while (marchptr != NULL) {
2344                 remove_march(marchptr->march_name, 0);
2345         }
2346         if (mcmd == 30) {
2347                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
2348         }
2349         CtdlIPCLogout(ipc);
2350         if ((mcmd == 29) || (mcmd == 15)) {
2351                 screen_delete();
2352                 stty_ctdl(SB_RESTORE);
2353                 formout(ipc, "goodbye");
2354                 logoff(ipc, 0);
2355         }
2356         /* Free the ungoto list */
2357         for (lp = 0; lp < uglistsize; lp++) {
2358                 free(uglist[lp]);
2359         }
2360     uglistsize = 0;
2361         goto GSTA;
2362
2363 }       /* end main() */
2364