citadel/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>=6)
  77 #define IFNAIDE if (axlevel<6)
  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 char room_name[ROOMNAMELEN];
  96 char *uglist[UGLISTLEN]; /* size of the ungoto list */
  97 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
  98 int uglistsize = 0;
  99 char is_mail = 0;               /* nonzero when we're in a mail room */
 100 char axlevel = 0;               /* access level */
 101 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
 102 int timescalled;
 103 int posted;
 104 unsigned userflags;
 105 long usernum = 0L;              /* user number */
 106 time_t lastcall = 0L;           /* Date/time of previous login */
 107 char newnow;
 108 long highest_msg_read;          /* used for <A>bandon room cmd */
 109 long maxmsgnum;                 /* used for <G>oto */
 110 char sigcaught = 0;
 111 char have_xterm = 0;            /* are we running on an xterm? */
 112 char rc_username[USERNAME_SIZE];
 113 char rc_password[32];
 114 char hostbuf[SIZ];
 115 char portbuf[SIZ];
 116 char rc_floor_mode;
 117 char floor_mode;
 118 char curr_floor = 0;            /* number of current floor */
 119 char floorlist[128][SIZ];       /* names of floors */
 120 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
 121 int secure;                     /* Set to nonzero when wire is encrypted */
 122
 123 extern char instant_msgs;       /* instant messages waiting! */
 124 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
 125 extern int next_lazy_cmd;
 126
 127 CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
 128 int enable_syslog = 0;
 129
 130
 131 /*
 132  * CtdlLogPrintf()  ...   Write logging information;
 133  *                  simple here to have the same
 134  *                  symbols in the client.
 135  */
 136
 137 void CtdlLogPrintf(enum LogLevel loglevel, const char *format, ...) {
 138         va_list arg_ptr;
 139
 140         va_start(arg_ptr, format);
 141         vfprintf(stderr, format, arg_ptr);
 142         va_end(arg_ptr);
 143         fflush(stderr);
 144 }
 145
 146 /*
 147  * here is our 'clean up gracefully and exit' routine
 148  */
 149 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
 150 {
 151         int lp;
 152
 153         if (editor_pid > 0) {   /* kill the editor if it's running */
 154                 kill(editor_pid, SIGHUP);
 155         }
 156
 157         /* Free the ungoto list */
 158         for (lp = 0; lp < uglistsize; lp++) {
 159                 free(uglist[lp]);
 160         }
 161
 162 /* Shut down the server connection ... but not if the logoff code is 3,
 163  * because that means we're exiting because we already lost the server.
 164  */
 165         if (code != 3) {
 166                 CtdlIPCQuit(ipc);
 167         }
 168
 169 /*
 170  * now clean up various things
 171  */
 172         screen_delete();
 173
 174         unlink(temp);
 175         unlink(temp2);
 176         nukedir(tempdir);
 177
 178         /* Violently kill off any child processes if Citadel is
 179          * the login shell.
 180          */
 181         if (getppid() == 1) {
 182                 kill(0 - getpgrp(), SIGTERM);
 183                 sleep(1);
 184                 kill(0 - getpgrp(), SIGKILL);
 185         }
 186         color(ORIGINAL_PAIR);   /* Restore the old color settings */
 187         stty_ctdl(SB_RESTORE);  /* return the old terminal settings */
 188         /*
 189          * uncomment the following if you need to know why Citadel exited
 190         printf("*** Exit code %d at %s:%d\n", code, file, line);
 191         sleep(2);
 192          */
 193         exit(code);             /* exit with the proper exit code */
 194 }
 195
 196
 197
 198 /*
 199  * signal catching function for hangups...
 200  */
 201 void dropcarr(int signum)
 202 {
 203         logoff(NULL, 3);        /* No IPC when server's already gone! */
 204 }
 205
 206
 207
 208 /*
 209  * catch SIGCONT to reset terminal modes when were are put back into the
 210  * foreground.
 211  */
 212 void catch_sigcont(int signum)
 213 {
 214         stty_ctdl(SB_LAST);
 215         signal(SIGCONT, catch_sigcont);
 216 }
 217
 218
 219 /* general purpose routines */
 220
 221 /* display a file */
 222 void formout(CtdlIPC *ipc, char *name)
 223 {
 224         int r;                  /* IPC return code */
 225         char buf[SIZ];
 226         char *text = NULL;
 227
 228         r = CtdlIPCSystemMessage(ipc, name, &text, buf);
 229         if (r / 100 != 1) {
 230                 scr_printf("%s\n", buf);
 231                 return;
 232         }
 233         if (text) {
 234                 fmout(screenwidth, NULL, text, NULL,
 235                       ((userflags & US_PAGINATOR) ? 1 : 0),
 236                       screenheight, 1, 1);
 237                 free(text);
 238         }
 239 }
 240
 241
 242 void userlist(CtdlIPC *ipc, char *patn)
 243 {
 244         char buf[SIZ];
 245         char fl[SIZ];
 246         struct tm tmbuf;
 247         time_t lc;
 248         int r;                          /* IPC response code */
 249         char *listing = NULL;
 250
 251         r = CtdlIPCUserListing(ipc, patn, &listing, buf);
 252         if (r / 100 != 1) {
 253                 pprintf("%s\n", buf);
 254                 return;
 255         }
 256
 257         pprintf("       User Name           Num  L Last Visit Logins Messages\n");
 258         pprintf("------------------------- ----- - ---------- ------ --------\n");
 259         if (listing != NULL) while (!IsEmptyStr(listing)) {
 260                 extract_token(buf, listing, 0, '\n', sizeof buf);
 261                 remove_token(listing, 0, '\n');
 262
 263                 if (sigcaught == 0) {
 264                     extract_token(fl, buf, 0, '|', sizeof fl);
 265                     if (pattern(fl, patn) >= 0) {
 266                         pprintf("%-25s ", fl);
 267                         pprintf("%5ld %d ", extract_long(buf, 2),
 268                                extract_int(buf, 1));
 269                         lc = extract_long(buf, 3);
 270                         localtime_r(&lc, &tmbuf);
 271                         pprintf("%02d/%02d/%04d ",
 272                                (tmbuf.tm_mon + 1),
 273                                tmbuf.tm_mday,
 274                                (tmbuf.tm_year + 1900));
 275                         pprintf("%6ld %8ld\n", extract_long(buf, 4), extract_long(buf, 5));
 276                     }
 277
 278                 }
 279         }
 280         free(listing);
 281         pprintf("\n");
 282 }
 283
 284
 285 /*
 286  * grab assorted info about the user...
 287  */
 288 void load_user_info(char *params)
 289 {
 290         extract_token(fullname, params, 0, '|', sizeof fullname);
 291         axlevel = extract_int(params, 1);
 292         timescalled = extract_int(params, 2);
 293         posted = extract_int(params, 3);
 294         userflags = extract_int(params, 4);
 295         usernum = extract_long(params, 5);
 296         lastcall = extract_long(params, 6);
 297 }
 298
 299
 300 /*
 301  * Remove a room from the march list.  'floornum' is ignored unless
 302  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 303  * floor will be removed from the march list.
 304  */
 305 void remove_march(char *roomname, int floornum)
 306 {
 307         struct march *mptr, *mptr2;
 308
 309         if (marchptr == NULL)
 310                 return;
 311
 312         if ((!strcasecmp(marchptr->march_name, roomname))
 313             || ((!strcasecmp(roomname, "_FLOOR_")) && (marchptr->march_floor == floornum))) {
 314                 mptr = marchptr->next;
 315                 free(marchptr);
 316                 marchptr = mptr;
 317                 return;
 318         }
 319         mptr2 = marchptr;
 320         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
 321
 322                 if ((!strcasecmp(mptr->march_name, roomname))
 323                     || ((!strcasecmp(roomname, "_FLOOR_"))
 324                         && (mptr->march_floor == floornum))) {
 325
 326                         mptr2->next = mptr->next;
 327                         free(mptr);
 328                         mptr = mptr2;
 329                 } else {
 330                         mptr2 = mptr;
 331                 }
 332         }
 333 }
 334
 335
 336 /*
 337  * Locate the room on the march list which we most want to go to.  Each room
 338  * is measured given a "weight" of preference based on various factors.
 339  */
 340 char *pop_march(int desired_floor, struct march *_march)
 341 {
 342         static char TheRoom[ROOMNAMELEN];
 343         int TheFloor = 0;
 344         int TheOrder = 32767;
 345         int TheWeight = 0;
 346         int weight;
 347         struct march *mptr = NULL;
 348
 349         strcpy(TheRoom, "_BASEROOM_");
 350         if (_march == NULL)
 351                 return (TheRoom);
 352
 353         for (mptr = _march; mptr != NULL; mptr = mptr->next) {
 354                 weight = 0;
 355                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 356                         weight = weight + 10000;
 357                 if (mptr->march_floor == desired_floor)
 358                         weight = weight + 5000;
 359
 360                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 361                 weight = weight + (128 - (mptr->march_order));
 362
 363                 if (weight > TheWeight) {
 364                         TheWeight = weight;
 365                         strcpy(TheRoom, mptr->march_name);
 366                         TheFloor = mptr->march_floor;
 367                         TheOrder = mptr->march_order;
 368                 }
 369         }
 370         return (TheRoom);
 371 }
 372
 373
 374 /*
 375  * jump directly to a room
 376  */
 377 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
 378 {
 379         char aaa[SIZ], bbb[SIZ];
 380         static long ls = 0L;
 381         int newmailcount = 0;
 382         int partial_match, best_match;
 383         char from_floor;
 384         int ugpos = uglistsize;
 385         int r;                          /* IPC result code */
 386         struct ctdlipcroom *room = NULL;
 387         int rv = 0;
 388
 389         /* store ungoto information */
 390         if (fromungoto == 0) {
 391                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
 392                 if (uglistsize >= (UGLISTLEN-1)) {
 393                         int lp;
 394                         free (uglist[0]);
 395                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
 396                                 uglist[lp] = uglist[lp+1];
 397                                 uglistlsn[lp] = uglistlsn[lp+1];
 398                         }
 399                         ugpos--;
 400                 } else {
 401                         uglistsize++;
 402                 }
 403
 404                 uglist[ugpos] = malloc(strlen(room_name)+1);
 405                 strcpy(uglist[ugpos], room_name);
 406                 uglistlsn[ugpos] = ls;
 407         }
 408
 409         /* first try an exact match */
 410         r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
 411         if (r / 10 == 54) {
 412                 newprompt("Enter room password: ", bbb, 9);
 413                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
 414                 if (r / 10 == 54) {
 415                         scr_printf("Wrong password.\n");
 416                         return;
 417                 }
 418         }
 419
 420         /*
 421          * If a match is not found, try a partial match.
 422          * Partial matches anywhere in the string carry a weight of 1,
 423          * left-aligned matches carry a weight of 2.  Pick the room that
 424          * has the highest-weighted match.  Do not match on forgotten
 425          * rooms.
 426          */
 427         if (r / 100 != 2) {
 428                 struct march *march = NULL;
 429
 430                 best_match = 0;
 431                 strcpy(bbb, "");
 432
 433                 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
 434                 if (r / 100 == 1) {
 435                         /* Run the roomlist; free the data as we go */
 436                         struct march *mp = march;       /* Current */
 437
 438                         while (mp) {
 439                                 partial_match = 0;
 440                                 if (pattern(mp->march_name, towhere) >= 0) {
 441                                         partial_match = 1;
 442                                 }
 443                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
 444                                         partial_match = 2;
 445                                 }
 446                                 if (partial_match > best_match) {
 447                                         strcpy(bbb, mp->march_name);
 448                                         best_match = partial_match;
 449                                 }
 450                                 /* Both pointers are NULL at end of list */
 451                                 march = mp->next;
 452                                 free(mp);
 453                                 mp = march;
 454                         }
 455                 }
 456
 457                 if (IsEmptyStr(bbb)) {
 458                         scr_printf("No room '%s'.\n", towhere);
 459                         return;
 460                 }
 461                 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
 462         }
 463         if (r / 100 != 1 && r / 100 != 2) {
 464                 scr_printf("%s\n", aaa);
 465                 return;
 466         }
 467         safestrncpy(room_name, room->RRname, ROOMNAMELEN);
 468         room_flags = room->RRflags;
 469         room_flags2 = room->RRflags2;
 470         from_floor = curr_floor;
 471         curr_floor = room->RRfloor;
 472
 473         remove_march(room_name, 0);
 474         if (!strcasecmp(towhere, "_BASEROOM_"))
 475                 remove_march(towhere, 0);
 476         if (!room->RRunread)
 477                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
 478         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 479                 if (floorlist[(int) curr_floor][0] == 0)
 480                         load_floorlist(ipc);
 481                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 482         }
 483         if (display_name == 1) {
 484                 color(BRIGHT_WHITE);
 485                 scr_printf("%s ", room_name);
 486                 color(DIM_WHITE);
 487                 scr_printf("- ");
 488         }
 489         if (display_name != 2) {
 490                 color(BRIGHT_YELLOW);
 491                 scr_printf("%d ", room->RRunread);
 492                 color(DIM_WHITE);
 493                 scr_printf("new of ");
 494                 color(BRIGHT_YELLOW);
 495                 scr_printf("%d ", room->RRtotal);
 496                 color(DIM_WHITE);
 497                 scr_printf("messages.\n");
 498         }
 499         highest_msg_read = room->RRlastread;
 500         maxmsgnum = room->RRhighest;
 501         is_mail = room->RRismailbox;
 502         is_room_aide = room->RRaide;
 503         ls = room->RRlastread;
 504
 505         /* read info file if necessary */
 506         if (room->RRinfoupdated > 0)
 507                 readinfo(ipc);
 508
 509         /* check for newly arrived mail if we can */
 510         newmailcount = room->RRnewmail;
 511         if (newmailcount > 0) {
 512                 color(BRIGHT_RED);
 513                 if (newmailcount == 1) {
 514                         scr_printf("*** A new mail message has arrived.\n");
 515                 }
 516                 else {
 517                         scr_printf("*** %d new mail messages have arrived.\n",
 518                                         newmailcount);
 519                 }
 520                 color(DIM_WHITE);
 521                 if (!IsEmptyStr(rc_gotmail_cmd)) {
 522                         rv = system(rc_gotmail_cmd);
 523                 }
 524         }
 525         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location,
 526                         room_name, secure, newmailcount);
 527         free(room);
 528 }
 529
 530 /* Goto next room having unread messages.
 531  * We want to skip over rooms that the user has already been to, and take the
 532  * user back to the lobby when done.  The room we end up in is placed in
 533  * newroom - which is set to 0 (the lobby) initially.
 534  */
 535 void gotonext(CtdlIPC *ipc)
 536 {
 537         char buf[SIZ];
 538         struct march *mptr, *mptr2;
 539         char next_room[ROOMNAMELEN];
 540         int r;                          /* IPC response code */
 541
 542         /* Check to see if the march-mode list is already allocated.
 543          * If it is, pop the first room off the list and go there.
 544          */
 545         if (marchptr == NULL) {
 546                 r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
 547                                         AllFloors, &marchptr, buf);
 548
 549 /* add _BASEROOM_ to the end of the march list, so the user will end up
 550  * in the system base room (usually the Lobby>) at the end of the loop
 551  */
 552                 mptr = (struct march *) malloc(sizeof(struct march));
 553                 mptr->next = NULL;
 554                 mptr->march_order = 0;
 555                 mptr->march_floor = 0;
 556                 strcpy(mptr->march_name, "_BASEROOM_");
 557                 if (marchptr == NULL) {
 558                         marchptr = mptr;
 559                 } else {
 560                         mptr2 = marchptr;
 561                         while (mptr2->next != NULL)
 562                                 mptr2 = mptr2->next;
 563                         mptr2->next = mptr;
 564                 }
 565 /*
 566  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 567  * walk around in circles
 568  */
 569                 remove_march(room_name, 0);
 570         }
 571         if (marchptr != NULL) {
 572                 strcpy(next_room, pop_march(curr_floor, marchptr));
 573         } else {
 574                 strcpy(next_room, "_BASEROOM_");
 575         }
 576         remove_march(next_room, 0);
 577         dotgoto(ipc, next_room, 1, 0);
 578 }
 579
 580 /*
 581  * forget all rooms on a given floor
 582  */
 583 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
 584 {
 585         char buf[SIZ];
 586         struct march *flist = NULL;
 587         struct march *fptr = NULL;
 588         struct ctdlipcroom *room = NULL;
 589         int r;                          /* IPC response code */
 590
 591         scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
 592         scr_flush();
 593         remove_march("_FLOOR_", ffloor);
 594         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
 595         if (r / 100 != 1) {
 596                 scr_printf("Error %d: %s\n", r, buf);
 597                 return;
 598         }
 599         while (flist) {
 600                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
 601                 if (r / 100 == 2) {
 602                         r = CtdlIPCForgetRoom(ipc, buf);
 603                         if (r / 100 != 2) {
 604                                 scr_printf("Error %d: %s\n", r, buf);
 605                         }
 606
 607                 }
 608                 fptr = flist;
 609                 flist = flist->next;
 610                 free(fptr);
 611         }
 612         if (room) free(room);
 613 }
 614
 615
 616 /*
 617  * routine called by gotofloor() to move to a new room on a new floor
 618  */
 619 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
 620 {
 621         int floor_being_left;
 622
 623         floor_being_left = curr_floor;
 624
 625         if (mode == GF_GOTO) {          /* <;G>oto mode */
 626                 updatels(ipc);
 627                 dotgoto(ipc, towhere, 1, 0);
 628         }
 629         else if (mode == GF_SKIP) {     /* <;S>kip mode */
 630                 dotgoto(ipc, towhere, 1, 0);
 631                 remove_march("_FLOOR_", floor_being_left);
 632         }
 633         else if (mode == GF_ZAP) {      /* <;Z>ap mode */
 634                 dotgoto(ipc, towhere, 1, 0);
 635                 remove_march("_FLOOR_", floor_being_left);
 636                 forget_all_rooms_on(ipc, floor_being_left);
 637         }
 638 }
 639
 640
 641 /*
 642  * go to a new floor
 643  */
 644 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
 645 {
 646         int a, tofloor;
 647         int r;          /* IPC response code */
 648         struct march *mptr;
 649         char buf[SIZ], targ[SIZ];
 650
 651         if (floorlist[0][0] == 0)
 652                 load_floorlist(ipc);
 653         tofloor = (-1);
 654         for (a = 0; a < 128; ++a)
 655                 if (!strcasecmp(&floorlist[a][0], towhere))
 656                         tofloor = a;
 657
 658         if (tofloor < 0) {
 659                 for (a = 0; a < 128; ++a) {
 660                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 661                                 tofloor = a;
 662                         }
 663                 }
 664         }
 665         if (tofloor < 0) {
 666                 for (a = 0; a < 128; ++a)
 667                         if (pattern(towhere, &floorlist[a][0]) > 0)
 668                                 tofloor = a;
 669         }
 670         if (tofloor < 0) {
 671                 scr_printf("No floor '%s'.\n", towhere);
 672                 return;
 673         }
 674         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
 675                 if ((mptr->march_floor) == tofloor) {
 676                         gf_toroom(ipc, mptr->march_name, mode);
 677                         return;
 678                 }
 679         }
 680
 681         /* Find first known room on the floor */
 682
 683         strcpy(targ, "");
 684         mptr = NULL;
 685         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
 686         if (r / 100 == 1) {
 687                 struct march *tmp = mptr;
 688
 689                 /*. . . according to room order */
 690                 if (mptr)
 691             strcpy(targ, pop_march(tofloor, mptr));
 692                 while (mptr) {
 693                         tmp = mptr->next;
 694                         free(mptr);
 695                         mptr = tmp;
 696                 }
 697         }
 698         if (!IsEmptyStr(targ)) {
 699                 gf_toroom(ipc, targ, mode);
 700                 return;
 701         }
 702
 703         /* No known rooms on the floor; unzap the first one then */
 704
 705         strcpy(targ, "");
 706         mptr = NULL;
 707         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
 708         if (r / 100 == 1) {
 709                 struct march *tmp = mptr;
 710
 711         /*. . . according to room order */
 712                 if (mptr)
 713                         strcpy(targ, pop_march(tofloor, mptr));
 714                 while (mptr) {
 715                         tmp = mptr->next;
 716                         free(mptr);
 717                         mptr = tmp;
 718                 }
 719         }
 720         if (!IsEmptyStr(targ)) {
 721                 gf_toroom(ipc, targ, mode);
 722         } else {
 723                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 724         }
 725 }
 726
 727 /*
 728  * Indexing mechanism for a room list, called by gotoroomstep()
 729  */
 730 void room_tree_list_query(struct ctdlroomlisting *rp, char *findrmname, int findrmslot, char *rmname, int *rmslot, int *rmtotal)
 731 {
 732         char roomname[ROOMNAMELEN];
 733         static int cur_rmslot = 0;
 734
 735         if (rp == NULL) {
 736                 cur_rmslot = 0;
 737                 return;
 738         }
 739
 740         if (rp->lnext != NULL) {
 741                 room_tree_list_query(rp->lnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 742         }
 743
 744         if (sigcaught == 0) {
 745                 strcpy(roomname, rp->rlname);
 746
 747                 if (rmname != NULL) {
 748                         if (cur_rmslot == findrmslot) {
 749                                 strcpy(rmname, roomname);
 750                         }
 751                 }
 752                 if (rmslot != NULL) {
 753                         if (!strcmp(roomname, findrmname)) {
 754                                 *rmslot = cur_rmslot;
 755                         }
 756                 }
 757                 cur_rmslot++;
 758         }
 759
 760         if (rp->rnext != NULL) {
 761                 room_tree_list_query(rp->rnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 762         }
 763
 764         if ((rmname == NULL) && (rmslot == NULL))
 765                 free(rp);
 766
 767         if (rmtotal != NULL) {
 768                 *rmtotal = cur_rmslot;
 769         }
 770 }
 771
 772 /*
 773  * step through rooms on current floor
 774  */
 775 void  gotoroomstep(CtdlIPC *ipc, int direction, int mode)
 776 {
 777         struct march *listing = NULL;
 778         struct march *mptr;
 779         int r;          /* IPC response code */
 780         char buf[SIZ];
 781         struct ctdlroomlisting *rl = NULL;
 782         struct ctdlroomlisting *rp;
 783         struct ctdlroomlisting *rs;
 784         int list_it;
 785         char rmname[ROOMNAMELEN];
 786         int rmslot = 0;
 787         int rmtotal;
 788
 789         /* Ask the server for a room list */
 790         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, (-1), &listing, buf);
 791         if (r / 100 != 1) {
 792                 listing = NULL;
 793         }
 794
 795         load_floorlist(ipc);
 796
 797         for (mptr = listing; mptr != NULL; mptr = mptr->next) {
 798                 list_it = 1;
 799
 800                 if ( floor_mode
 801                          && (mptr->march_floor != curr_floor))
 802                         list_it = 0;
 803
 804                 if (list_it) {
 805                         rp = malloc(sizeof(struct ctdlroomlisting));
 806                         strncpy(rp->rlname, mptr->march_name, ROOMNAMELEN);
 807                         rp->rlflags = mptr->march_flags;
 808                         rp->rlfloor = mptr->march_floor;
 809                         rp->rlorder = mptr->march_order;
 810                         rp->lnext = NULL;
 811                         rp->rnext = NULL;
 812
 813                         rs = rl;
 814                         if (rl == NULL) {
 815                                 rl = rp;
 816                         } else {
 817                                 while (rp != NULL) {
 818                                         if (rordercmp(rp, rs) < 0) {
 819                                                 if (rs->lnext == NULL) {
 820                                                         rs->lnext = rp;
 821                                                         rp = NULL;
 822                                                 } else {
 823                                                         rs = rs->lnext;
 824                                                 }
 825                                         } else {
 826                                                 if (rs->rnext == NULL) {
 827                                                         rs->rnext = rp;
 828                                                         rp = NULL;
 829                                                 } else {
 830                                                         rs = rs->rnext;
 831                                                 }
 832                                         }
 833                                 }
 834                         }
 835                 }
 836         }
 837
 838         /* Find position of current room */
 839         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 840         room_tree_list_query(rl,  room_name, 0, NULL, &rmslot, &rmtotal);
 841
 842         if (direction == 0) { /* Previous room */
 843                 /* If we're at the first room, wrap to the last room */
 844                 if (rmslot == 0) {
 845                         rmslot = rmtotal - 1;
 846                 } else {
 847                         rmslot--;
 848                 }
 849         } else {                 /* Next room */
 850                 /* If we're at the last room, wrap to the first room */
 851                 if (rmslot == rmtotal - 1) {
 852                         rmslot = 0;
 853                 } else {
 854                         rmslot++;
 855                 }
 856         }
 857
 858         /* Get name of next/previous room */
 859         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 860         room_tree_list_query(rl,  NULL, rmslot, rmname, NULL, NULL);
 861
 862         /* Free the tree */
 863         room_tree_list_query(rl, NULL, 0, NULL, NULL, NULL);
 864
 865         if (mode == 0) { /* not skipping */
 866             updatels(ipc);
 867         } else {
 868                 if (rc_alt_semantics) {
 869                 updatelsa(ipc);
 870                 }
 871         }
 872
 873         /* Free the room list */
 874         while (listing) {
 875                 mptr = listing->next;
 876                 free(listing);
 877                 listing = mptr;
 878         };
 879
 880         dotgoto(ipc, rmname, 1, 0);
 881 }
 882
 883
 884 /*
 885  * step through floors on system
 886  */
 887 void  gotofloorstep(CtdlIPC *ipc, int direction, int mode)
 888 {
 889         int  tofloor;
 890
 891         if (floorlist[0][0] == 0)
 892                 load_floorlist(ipc);
 893
 894         empty_keep_going:
 895
 896         if (direction == 0) { /* Previous floor */
 897                 if (curr_floor) tofloor = curr_floor - 1;
 898                 else tofloor = 127;
 899
 900                 while (!floorlist[tofloor][0]) tofloor--;
 901         } else {                   /* Next floor */
 902                 if (curr_floor < 127) tofloor = curr_floor + 1;
 903                 else tofloor = 0;
 904
 905                 while (!floorlist[tofloor][0] && tofloor < 127) tofloor++;
 906                 if (!floorlist[tofloor][0])     tofloor = 0;
 907         }
 908         /* ;g works when not in floor mode so . . . */
 909         if (!floor_mode) {
 910                 scr_printf("(%s)\n", floorlist[tofloor] );
 911         }
 912
 913         gotofloor(ipc, floorlist[tofloor], mode);
 914         if (curr_floor != tofloor) { /* gotofloor failed */
 915              curr_floor = tofloor;
 916              goto empty_keep_going;
 917         }
 918 }
 919
 920 /*
 921  * Display user 'preferences'.
 922  */
 923 extern int rc_prompt_control;
 924 void read_config(CtdlIPC *ipc)
 925 {
 926         char buf[SIZ];
 927         char *resp = NULL;
 928         int r;                  /* IPC response code */
 929     char _fullname[USERNAME_SIZE];
 930         long _usernum;
 931         int _axlevel, _timescalled, _posted;
 932         time_t _lastcall;
 933         struct ctdluser *user = NULL;
 934
 935         /* get misc user info */
 936         r = CtdlIPCGetBio(ipc, fullname, &resp, buf);
 937         if (r / 100 != 1) {
 938                 pprintf("%s\n", buf);
 939                 return;
 940         }
 941         extract_token(_fullname, buf, 1, '|', sizeof fullname);
 942         _usernum = extract_long(buf, 2);
 943         _axlevel = extract_int(buf, 3);
 944         _lastcall = extract_long(buf, 4);
 945     _timescalled = extract_int(buf, 5);
 946         _posted = extract_int(buf, 6);
 947         free(resp);
 948         resp = NULL;
 949
 950         /* get preferences */
 951         r = CtdlIPCGetConfig(ipc, &user, buf);
 952         if (r / 100 != 2) {
 953                 scr_printf("%s\n", buf);
 954                 free(user);
 955                 return;
 956         }
 957
 958         /* show misc user info */
 959         scr_printf("%s\nAccess level: %d (%s)\n"
 960                    "User #%ld / %d Calls / %d Posts",
 961                    _fullname, _axlevel, axdefs[(int) _axlevel],
 962                    _usernum, _timescalled, _posted);
 963         if (_lastcall > 0L) {
 964                 scr_printf(" / Curr login: %s",
 965                            asctime(localtime(&_lastcall)));
 966         }
 967         scr_printf("\n");
 968
 969         /* show preferences */
 970         scr_printf("Your screen width: ");                                     color(BRIGHT_CYAN); scr_printf("%d",   /*user->USscreenwidth*/ screenwidth);          color(DIM_WHITE);
 971         scr_printf(", height: ");                                              color(BRIGHT_CYAN); scr_printf("%d\n", /*user->USscreenheight*/ screenheight);        color(DIM_WHITE);
 972         scr_printf("Are you an experienced Citadel user: ");                   color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXPERT) ? "Yes" : "No");     color(DIM_WHITE);
 973         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);
 974         scr_printf("Prompt after each message: ");                             color(BRIGHT_CYAN); scr_printf("%s\n", (!(user->flags & US_NOPROMPT))? "Yes" : "No"); color(DIM_WHITE);
 975         if ((user->flags & US_NOPROMPT) == 0) {
 976         scr_printf("Use 'disappearing' prompts: ");                        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_DISAPPEAR)? "Yes" : "No");   color(DIM_WHITE);
 977         }
 978         scr_printf("Pause after each screenful of text: ");                    color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PAGINATOR)? "Yes" : "No");   color(DIM_WHITE);
 979     if (rc_prompt_control == 3 && (user->flags & US_PAGINATOR)) {
 980         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);
 981         }
 982     if (rc_floor_mode == RC_DEFAULT) {
 983         scr_printf("View rooms by floor: ");                               color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_FLOORS)? "Yes" : "No");          color(DIM_WHITE);
 984         }
 985         if (rc_ansi_color == 3) {
 986             scr_printf("Enable color support: ");                              color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_COLOR)? "Yes" : "No");       color(DIM_WHITE);
 987         }
 988         scr_printf("Be unlisted in userlog: ");                                color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_UNLISTED)? "Yes" : "No");    color(DIM_WHITE);
 989         if (!IsEmptyStr(editor_paths[0])) {
 990         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);
 991         }
 992         free(user);
 993 }
 994
 995 /*
 996  * Display system statistics.
 997  */
 998 void system_info(CtdlIPC *ipc)
 999 {
1000         char buf[SIZ];
1001         char *resp = NULL;
1002         size_t bytes;
1003         int mrtg_users, mrtg_active_users;
1004         char mrtg_server_uptime[40];
1005         long mrtg_himessage;
1006         int ret;                        /* IPC response code */
1007
1008         /* get #users, #active & server uptime */
1009         ret = CtdlIPCGenericCommand(ipc, "MRTG|users", NULL, 0, &resp, &bytes, buf);
1010         mrtg_users = extract_int(resp, 0);
1011         remove_token(resp, 0, '\n');
1012         mrtg_active_users = extract_int(resp, 0);
1013         remove_token(resp, 0, '\n');
1014         extract_token(mrtg_server_uptime, resp, 0, '\n', sizeof mrtg_server_uptime);
1015     free(resp);
1016         resp = NULL;
1017
1018         /* get high message# */
1019         ret = CtdlIPCGenericCommand(ipc, "MRTG|messages", NULL, 0, &resp, &bytes, buf);
1020         mrtg_himessage = extract_long(resp, 0);
1021         free(resp);
1022         resp = NULL;
1023
1024         /* refresh server info just in case */
1025         CtdlIPCServerInfo(ipc, buf);
1026
1027         scr_printf("You are connected to %s (%s) @%s\n", ipc->ServInfo.nodename, ipc->ServInfo.humannode, ipc->ServInfo.fqdn);
1028         scr_printf("running %s with text client v%.2f,\n", ipc->ServInfo.software, (float)REV_LEVEL/100);
1029         scr_printf("server build %s,\n", ipc->ServInfo.svn_revision, (float)REV_LEVEL/100);
1030     scr_printf("and located in %s.\n", ipc->ServInfo.site_location);
1031     scr_printf("Connected users %d / Active users %d / Highest message #%ld\n", mrtg_users, mrtg_active_users, mrtg_himessage);
1032     scr_printf("Server uptime: %s\n", mrtg_server_uptime);
1033     scr_printf("Your system administrator is %s.\n", ipc->ServInfo.sysadm);
1034     scr_printf("Copyright (C)1987-2009 by the Citadel development team\n");
1035 }
1036
1037 /*
1038  * forget all rooms on current floor
1039  */
1040 void forget_this_floor(CtdlIPC *ipc)
1041 {
1042         if (curr_floor == 0) {
1043                 scr_printf("Can't forget this floor.\n");
1044                 return;
1045         }
1046         if (floorlist[0][0] == 0) {
1047                 load_floorlist(ipc);
1048         }
1049         scr_printf("Are you sure you want to forget all rooms on %s? ",
1050                &floorlist[(int) curr_floor][0]);
1051         if (yesno() == 0) {
1052                 return;
1053         }
1054
1055         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
1056 }
1057
1058
1059 /*
1060  * Figure out the physical screen dimensions, if we can
1061  * WARNING:  this is now called from a signal handler!
1062  */
1063 void check_screen_dims(void)
1064 {
1065 #ifdef TIOCGWINSZ
1066         struct {
1067                 unsigned short height;  /* rows */
1068                 unsigned short width;   /* columns */
1069                 unsigned short xpixels;
1070                 unsigned short ypixels;         /* pixels */
1071         } xwinsz;
1072
1073         if (have_xterm) {       /* dynamically size screen if on an xterm */
1074                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
1075                         if (xwinsz.height)
1076                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
1077                         if (xwinsz.width)
1078                                 screenwidth = (int) xwinsz.width;
1079                 }
1080         }
1081 #endif
1082 }
1083
1084
1085 /*
1086  * set floor mode depending on client, server, and user settings
1087  */
1088 void set_floor_mode(CtdlIPC* ipc)
1089 {
1090         if (ipc->ServInfo.ok_floors == 0) {
1091                 floor_mode = 0; /* Don't use floors if the server */
1092         }
1093         /* doesn't support them!          */
1094         else {
1095                 if (rc_floor_mode == RC_NO) {   /* never use floors */
1096                         floor_mode = 0;
1097                 }
1098                 if (rc_floor_mode == RC_YES) {  /* always use floors */
1099                         floor_mode = 1;
1100                 }
1101                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
1102                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
1103                 }
1104         }
1105 }
1106
1107 /*
1108  * Set or change the user's password
1109  */
1110 int set_password(CtdlIPC *ipc)
1111 {
1112         char pass1[20];
1113         char pass2[20];
1114         char buf[SIZ];
1115
1116         if (!IsEmptyStr(rc_password)) {
1117                 strcpy(pass1, rc_password);
1118                 strcpy(pass2, rc_password);
1119         } else {
1120                 IFNEXPERT formout(ipc, "changepw");
1121                 newprompt("Enter a new password: ", pass1, -19);
1122                 newprompt("Enter it again to confirm: ", pass2, -19);
1123         }
1124         strproc(pass1);
1125         strproc(pass2);
1126         if (!strcasecmp(pass1, pass2)) {
1127                 CtdlIPCChangePassword(ipc, pass1, buf);
1128                 scr_printf("%s\n", buf);
1129                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
1130                 return (0);
1131         } else {
1132                 scr_printf("*** They don't match... try again.\n");
1133                 return (1);
1134         }
1135 }
1136
1137
1138
1139 /*
1140  * get info about the server we've connected to
1141  */
1142 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
1143 {
1144         char buf[SIZ];
1145
1146         CtdlIPCServerInfo(ipc, buf);
1147
1148         /* be nice and identify ourself to the server */
1149         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
1150                  (ipc->isLocal ? "local" : CITADEL),
1151                  (supplied_hostname) ? supplied_hostname :
1152                  /* Look up the , in the bible if you're confused */
1153                  (locate_host(ipc, buf), buf), buf);
1154
1155         /* Indicate to the server that we prefer to decode Base64 and
1156          * quoted-printable on the client side.
1157          */
1158         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "dont_decode") / 100 ) != 2) {
1159                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1160                 logoff(ipc, 0);
1161         }
1162
1163         /*
1164          * Tell the server what our preferred content formats are.
1165          *
1166          * Originally we preferred HTML over plain text because we can format
1167          * it to the reader's screen width, but since our HTML-to-text parser
1168          * isn't really all that great, it's probably better to just go with
1169          * the plain text when we have it available.
1170          */
1171         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/plain|text/html") / 100 ) != 2) {
1172                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1173                 logoff(ipc, 0);
1174         }
1175 }
1176
1177
1178
1179 /*
1180  * Record compare function for SortOnlineUsers()
1181  */
1182 int idlecmp(const void *rec1, const void *rec2) {
1183         time_t i1, i2;
1184
1185         i1 = extract_long(rec1, 5);
1186         i2 = extract_long(rec2, 5);
1187
1188         if (i1 < i2) return(1);
1189         if (i1 > i2) return(-1);
1190         return(0);
1191 }
1192
1193
1194 /*
1195  * Sort the list of online users by idle time.
1196  * This function frees the supplied buffer, and returns a new one
1197  * to the caller.  The caller is responsible for freeing the returned buffer.
1198  */
1199 char *SortOnlineUsers(char *listing) {
1200         int rows;
1201         char *sortbuf;
1202         char *retbuf;
1203         char buf[SIZ];
1204         int i;
1205
1206         rows = num_tokens(listing, '\n');
1207         sortbuf = malloc(rows * SIZ);
1208         if (sortbuf == NULL) return(listing);
1209         retbuf = malloc(rows * SIZ);
1210         if (retbuf == NULL) {
1211                 free(sortbuf);
1212                 return(listing);
1213         }
1214
1215         /* Copy the list into a fixed-record-size array for sorting */
1216         for (i=0; i<rows; ++i) {
1217                 memset(buf, 0, SIZ);
1218                 extract_token(buf, listing, i, '\n', sizeof buf);
1219                 memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
1220         }
1221
1222         /* Do the sort */
1223         qsort(sortbuf, rows, SIZ, idlecmp);
1224
1225         /* Copy back to a \n delimited list */
1226         strcpy(retbuf, "");
1227         for (i=0; i<rows; ++i) {
1228                 strcat(retbuf, &sortbuf[i*SIZ]);
1229                 if (i<(rows-1)) strcat(retbuf, "\n");
1230         }
1231     free(listing);
1232     free(sortbuf);
1233         return(retbuf);
1234 }
1235
1236
1237
1238 /*
1239  * Display list of users currently logged on to the server
1240  */
1241 void who_is_online(CtdlIPC *ipc, int longlist)
1242 {
1243         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
1244         char flags[SIZ];
1245         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
1246         char clientsoft[SIZ];
1247         time_t timenow = 0;
1248         time_t idletime, idlehours, idlemins, idlesecs;
1249         int last_session = (-1);
1250         int skipidle = 0;
1251         char *listing = NULL;
1252         int r;                          /* IPC response code */
1253
1254         if (longlist == 2) {
1255                 longlist = 0;
1256                 skipidle = 1;
1257         }
1258
1259         if (!longlist) {
1260                 color(BRIGHT_WHITE);
1261                 pprintf("           User Name               Room          ");
1262                 if (screenwidth >= 80) pprintf(" Idle        From host");
1263                 pprintf("\n");
1264                 color(DIM_WHITE);
1265                 pprintf("   ------------------------- --------------------");
1266                 if (screenwidth >= 80) pprintf(" ---- ------------------------");
1267                 pprintf("\n");
1268         }
1269         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
1270         listing = SortOnlineUsers(listing);
1271         if (r / 100 == 1) {
1272                 while (!IsEmptyStr(listing)) {
1273                         int isidle = 0;
1274
1275                         /* Get another line */
1276                         extract_token(buf, listing, 0, '\n', sizeof buf);
1277                         remove_token(listing, 0, '\n');
1278
1279                         extract_token(username, buf, 1, '|', sizeof username);
1280                         extract_token(roomname, buf, 2, '|', sizeof roomname);
1281                         extract_token(fromhost, buf, 3, '|', sizeof fromhost);
1282                         extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
1283                         extract_token(flags, buf, 7, '|', sizeof flags);
1284
1285                         idletime = timenow - extract_long(buf, 5);
1286                         idlehours = idletime / 3600;
1287                         idlemins = (idletime - (idlehours * 3600)) / 60;
1288                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
1289
1290                         if (idletime > rc_idle_threshold) {
1291                                 if (skipidle) {
1292                                         isidle = 1;
1293                                 }
1294                         }
1295
1296                         if (longlist) {
1297                                 extract_token(actual_user, buf, 8, '|', sizeof actual_user);
1298                                 extract_token(actual_room, buf, 9, '|', sizeof actual_room);
1299                                 extract_token(actual_host, buf, 10, '|', sizeof actual_host);
1300
1301                                 pprintf("  Flags: %s\n", flags);
1302                                 pprintf("Session: %d\n", extract_int(buf, 0));
1303                                 pprintf("   Name: %s\n", username);
1304                                 pprintf("In room: %s\n", roomname);
1305                                 pprintf("   Host: %s\n", fromhost);
1306                                 pprintf(" Client: %s\n", clientsoft);
1307                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
1308                                         (long) idlehours,
1309                                         (long) idlemins,
1310                                         (long) idlesecs);
1311
1312                                 if ( (!IsEmptyStr(actual_user)&&
1313                                       !IsEmptyStr(actual_room)&&
1314                                       !IsEmptyStr(actual_host))) {
1315                                         pprintf("(really ");
1316                                         if (!IsEmptyStr(actual_user)) pprintf("<%s> ", actual_user);
1317                                         if (!IsEmptyStr(actual_room)) pprintf("in <%s> ", actual_room);
1318                                         if (!IsEmptyStr(actual_host)) pprintf("from <%s> ", actual_host);
1319                                         pprintf(")\n");
1320                                 }
1321                                 pprintf("\n");
1322
1323                         } else {
1324                                 if (isidle == 0) {
1325                                         if (extract_int(buf, 0) == last_session) {
1326                                                 pprintf("        ");
1327                                         }
1328                                         else {
1329                                                 color(BRIGHT_MAGENTA);
1330                                                 pprintf("%-3s", flags);
1331                                         }
1332                                         last_session = extract_int(buf, 0);
1333                                         color(BRIGHT_CYAN);
1334                                         pprintf("%-25s ", username);
1335                                         color(BRIGHT_MAGENTA);
1336                                         roomname[20] = 0;
1337                                         pprintf("%-20s", roomname);
1338
1339                                         if (screenwidth >= 80) {
1340                                                 pprintf(" ");
1341                                                 if (idletime > rc_idle_threshold) {
1342                                                         /* over 1000d, must be gone fishing */
1343                                                         if (idlehours > 23999) {
1344                                                                 pprintf("fish");
1345                                                         /* over 10 days */
1346                                                         } else if (idlehours > 239) {
1347                                                                 pprintf("%3ldd", idlehours / 24);
1348                                                         /* over 10 hours */
1349                                                         } else if (idlehours > 9) {
1350                                                                 pprintf("%1ldd%02ld",
1351                                                                         idlehours / 24,
1352                                                                         idlehours % 24);
1353                                                         /* less than 10 hours */
1354                                                         }
1355                                                         else {
1356                                                                 pprintf("%1ld:%02ld", idlehours, idlemins);
1357                                                         }
1358                                                 }
1359                                                 else {
1360                                                         pprintf("    ");
1361                                                 }
1362                                                 pprintf(" ");
1363                                                 color(BRIGHT_CYAN);
1364                                                 fromhost[24] = '\0';
1365                                                 pprintf("%-24s", fromhost);
1366                                         }
1367                                         pprintf("\n");
1368                                         color(DIM_WHITE);
1369                                 }
1370                         }
1371                 }
1372         }
1373         free(listing);
1374 }
1375
1376 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
1377 {
1378         char bbb[128];
1379         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
1380         newprompt(bbb, buf, maxlen);
1381 }
1382
1383
1384
1385 int shift(int argc, char **argv, int start, int count) {
1386         int i;
1387
1388         for (i=start; i<(argc-count); ++i) {
1389                 argv[i] = argv[i+count];
1390         }
1391         argc = argc - count;
1392         return argc;
1393 }
1394
1395 static void statusHook(char *s) {
1396         sln_printf(s);
1397         sln_flush();
1398 }
1399
1400 /*
1401  * main
1402  */
1403 int main(int argc, char **argv)
1404 {
1405         int a, b, mcmd;
1406         char aaa[100], bbb[100];/* general purpose variables */
1407         char argbuf[64];        /* command line buf */
1408         char nonce[NONCE_SIZE];
1409         char *telnet_client_host = NULL;
1410         char *sptr, *sptr2;     /* USed to extract the nonce */
1411         char hexstring[MD5_HEXSTRING_SIZE];
1412         int stored_password = 0;
1413         char password[SIZ];
1414         struct ctdlipcmisc chek;
1415         struct ctdluser *myself = NULL;
1416         CtdlIPC* ipc;                   /* Our server connection */
1417         int r;                          /* IPC result code */
1418         int rv = 0;                     /* fetch but ignore syscall return value to suppress warnings */
1419
1420         int relh=0;
1421         int home=0;
1422         char relhome[PATH_MAX]="";
1423         char ctdldir[PATH_MAX]=CTDLDIR;
1424     int lp;
1425 #ifdef HAVE_BACKTRACE
1426         eCrashParameters params;
1427 //      eCrashSymbolTable symbol_table;
1428 #endif
1429         calc_dirs_n_files(relh, home, relhome, ctdldir, 0);
1430
1431 #ifdef HAVE_BACKTRACE
1432         bzero(&params, sizeof(params));
1433         params.filename = file_pid_paniclog;
1434 //      panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
1435         params.filep = fopen(file_pid_paniclog, "a+");
1436         params.debugLevel = ECRASH_DEBUG_VERBOSE;
1437         params.dumpAllThreads = TRUE;
1438         params.useBacktraceSymbols = 1;
1439 ///     BuildSymbolTable(&symbol_table);
1440 //      params.symbolTable = &symbol_table;
1441         params.signals[0]=SIGSEGV;
1442         params.signals[1]=SIGILL;
1443         params.signals[2]=SIGBUS;
1444         params.signals[3]=SIGABRT;
1445
1446         eCrash_Init(&params);
1447 #endif
1448         setIPCDeathHook(screen_delete);
1449         setIPCErrorPrintf(err_printf);
1450         setCryptoStatusHook(statusHook);
1451
1452         /* Permissions sanity check - don't run citadel setuid/setgid */
1453         if (getuid() != geteuid()) {
1454                 err_printf("Please do not run citadel setuid!\n");
1455                 logoff(NULL, 3);
1456         } else if (getgid() != getegid()) {
1457                 err_printf("Please do not run citadel setgid!\n");
1458                 logoff(NULL, 3);
1459         }
1460
1461         stty_ctdl(SB_SAVE);     /* Store the old terminal parameters */
1462         load_command_set();     /* parse the citadel.rc file */
1463         stty_ctdl(SB_NO_INTR);  /* Install the new ones */
1464         /* signal(SIGHUP, dropcarr);FIXME */    /* Cleanup gracefully if carrier is dropped */
1465         signal(SIGPIPE, dropcarr);      /* Cleanup gracefully if local conn. dropped */
1466         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
1467         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1468 #ifdef SIGWINCH
1469         signal(SIGWINCH, scr_winch);    /* Window resize signal */
1470 #endif
1471
1472 #ifdef HAVE_OPENSSL
1473         arg_encrypt = RC_DEFAULT;
1474 #endif
1475 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1476         arg_screen = RC_DEFAULT;
1477 #endif
1478
1479         /*
1480          * Handle command line options as if we were called like /bin/login
1481          * (i.e. from in.telnetd)
1482          */
1483         for (a=0; a<argc; ++a) {
1484                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1485                         telnet_client_host = argv[a+1];
1486                         argc = shift(argc, argv, a, 2);
1487                 }
1488                 if (!strcmp(argv[a], "-x")) {
1489 #ifdef HAVE_OPENSSL
1490                         arg_encrypt = RC_NO;
1491 #endif
1492                         argc = shift(argc, argv, a, 1);
1493                 }
1494                 if (!strcmp(argv[a], "-X")) {
1495 #ifdef HAVE_OPENSSL
1496                         arg_encrypt = RC_YES;
1497                         argc = shift(argc, argv, a, 1);
1498 #else
1499                         fprintf(stderr, "Not compiled with encryption support");
1500                         return 1;
1501 #endif
1502                 }
1503                 if (!strcmp(argv[a], "-s")) {
1504 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1505                         arg_screen = RC_NO;
1506 #endif
1507                         argc = shift(argc, argv, a, 1);
1508                 }
1509                 if (!strcmp(argv[a], "-S")) {
1510 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1511                         arg_screen = RC_YES;
1512 #endif
1513                         argc = shift(argc, argv, a, 1);
1514                 }
1515                 if (!strcmp(argv[a], "-p")) {
1516                         struct stat st;
1517
1518                         if (chdir(CTDLDIR) < 0) {
1519                                 perror("can't change to " CTDLDIR);
1520                                 logoff(NULL, 3);
1521                         }
1522
1523                         /*
1524                          * Drop privileges if necessary. We stat
1525                          * citadel.config to get the uid/gid since it's
1526                          * guaranteed to have the uid/gid we want.
1527                          */
1528                         if (!getuid() || !getgid()) {
1529                                 if (stat(file_citadel_config, &st) < 0) {
1530                                         perror("couldn't stat citadel.config");
1531                                         logoff(NULL, 3);
1532                                 }
1533                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1534                                         perror("couldn't change gid");
1535                                         logoff(NULL, 3);
1536                                 }
1537                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1538                                         perror("couldn't change uid");
1539                                         logoff(NULL, 3);
1540                                 }
1541                                 /*
1542                                   scr_printf("Privileges changed to uid %d gid %d\n",
1543                                   getuid(), getgid());
1544                                 */
1545                         }
1546                         argc = shift(argc, argv, a, 1);
1547                 }
1548         }
1549
1550
1551         screen_new();
1552
1553 #ifdef __CYGWIN__
1554         newprompt("Connect to (return for local server): ", hostbuf, 64);
1555 #endif
1556
1557         sln_printf("Attaching to server... \r");
1558         sln_flush();
1559         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1560         if (!ipc) {
1561                 screen_delete();
1562                 error_printf("Can't connect: %s\n", strerror(errno));
1563                 logoff(NULL, 3);
1564         }
1565 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1566         CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1567 #endif
1568         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1569
1570         CtdlIPC_chat_recv(ipc, aaa);
1571         if (aaa[0] != '2') {
1572                 scr_printf("%s\n", &aaa[4]);
1573                 logoff(ipc, atoi(aaa));
1574         }
1575
1576         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1577          * is zeroized.
1578          */
1579
1580         if ((sptr = strchr(aaa, '<')) == NULL)
1581                 {
1582                         nonce[0] = '\0';
1583                 }
1584         else
1585                 {
1586                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1587                                 {
1588                                         nonce[0] = '\0';
1589                                 }
1590                         else
1591                                 {
1592                                         sptr2++;
1593                                         *sptr2 = '\0';
1594                                         strncpy(nonce, sptr, (size_t)NONCE_SIZE);
1595                                 }
1596                 }
1597
1598 #ifdef HAVE_OPENSSL
1599         /* Evaluate encryption preferences */
1600         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1601                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1602                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1603                         if (!secure)
1604                                 error_printf("Can't encrypt: %s\n", aaa);
1605                 }
1606         }
1607 #endif
1608
1609         get_serv_info(ipc, telnet_client_host);
1610         scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
1611                    ipc->ServInfo.site_location);
1612         scr_flush();
1613
1614         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location, NULL,
1615                     secure, -1);
1616
1617         screenwidth = 80;       /* default screen dimensions */
1618         screenheight = 24;
1619
1620         scr_printf(" pause    next    stop\n");
1621         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1622         formout(ipc, "hello");  /* print the opening greeting */
1623         scr_printf("\n");
1624
1625  GSTA:  /* See if we have a username and password on disk */
1626         if (rc_remember_passwords) {
1627                 get_stored_password(hostbuf, portbuf, fullname, password);
1628                 if (!IsEmptyStr(fullname)) {
1629                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1630                         if (r / 100 == 3) {
1631                                 if (*nonce) {
1632                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1633                                 } else {
1634                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1635                                 }
1636                         }
1637
1638                         if (r / 100 == 2) {
1639                                 load_user_info(aaa);
1640                                 stored_password = 1;
1641                                 goto PWOK;
1642                         } else {
1643                                 set_stored_password(hostbuf, portbuf, "", "");
1644                         }
1645                 }
1646         }
1647
1648         termn8 = 0;
1649         newnow = 0;
1650         do {
1651                 if (!IsEmptyStr(rc_username)) {
1652                         strcpy(fullname, rc_username);
1653                 } else {
1654                         newprompt("Enter your name: ", fullname, 29);
1655                 }
1656                 strproc(fullname);
1657                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1658                         scr_printf("Please enter the name you wish to log in with.\n");
1659                 }
1660         } while (
1661                  (!strcasecmp(fullname, "bbs"))
1662                  || (!strcasecmp(fullname, "new"))
1663                  || (IsEmptyStr(fullname)));
1664
1665         if (!strcasecmp(fullname, "off")) {
1666                 mcmd = 29;
1667                 goto TERMN8;
1668         }
1669         /* sign on to the server */
1670         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1671         if (r / 100 != 3)
1672                 goto NEWUSR;
1673
1674         /* password authentication */
1675         if (!IsEmptyStr(rc_password)) {
1676                 strcpy(password, rc_password);
1677         } else {
1678                 newprompt("\rPlease enter your password: ", password, -19);
1679         }
1680         strproc(password);
1681
1682         if (*nonce) {
1683                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1684         } else {
1685                 r = CtdlIPCTryPassword(ipc, password, aaa);
1686         }
1687
1688         if (r / 100 == 2) {
1689                 load_user_info(aaa);
1690                 offer_to_remember_password(ipc, hostbuf, portbuf,
1691                                            fullname, password);
1692                 goto PWOK;
1693         }
1694         scr_printf("<< wrong password >>\n");
1695         if (!IsEmptyStr(rc_password))
1696                 logoff(ipc, 2);
1697         goto GSTA;
1698
1699 NEWUSR: if (IsEmptyStr(rc_password)) {
1700                 scr_printf("'%s' not found.\n", fullname);
1701                 scr_printf("Type 'off' if you would like to exit.\n");
1702                 if (ipc->ServInfo.newuser_disabled == 1) {
1703                         goto GSTA;
1704                 }
1705                 scr_printf("Do you want to create a new user account called '%s'? ",
1706                         fullname);
1707                 if (yesno() == 0) {
1708                         goto GSTA;
1709                 }
1710         }
1711
1712         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1713         if (r / 100 != 2) {
1714                 scr_printf("%s\n", aaa);
1715                 goto GSTA;
1716         }
1717         load_user_info(aaa);
1718
1719         while (set_password(ipc) != 0);
1720         newnow = 1;
1721
1722         enter_config(ipc, 1);
1723
1724  PWOK:
1725         /* Switch color support on or off if we're in user mode */
1726         if (rc_ansi_color == 3) {
1727                 if (userflags & US_COLOR)
1728                         enable_color = 1;
1729                 else
1730                         enable_color = 0;
1731         }
1732
1733         color(BRIGHT_WHITE);
1734         scr_printf("\n%s\nAccess level: %d (%s)\n"
1735                    "User #%ld / Login #%d",
1736                    fullname, axlevel, axdefs[(int) axlevel],
1737                    usernum, timescalled);
1738         if (lastcall > 0L) {
1739                 scr_printf(" / Last login: %s",
1740                            asctime(localtime(&lastcall)));
1741         }
1742         scr_printf("\n");
1743
1744         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1745         if (r / 100 == 2) {
1746                 b = chek.newmail;
1747                 if (b > 0) {
1748                         color(BRIGHT_RED);
1749                         if (b == 1)
1750                                 scr_printf("*** You have a new private message in Mail>\n");
1751                         if (b > 1)
1752                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1753                         color(DIM_WHITE);
1754                         if (!IsEmptyStr(rc_gotmail_cmd)) {
1755                                 rv = system(rc_gotmail_cmd);
1756                         }
1757                 }
1758                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1759                         scr_printf("*** Users need validation\n");
1760                 }
1761                 if (chek.needregis > 0) {
1762                         scr_printf("*** Please register.\n");
1763                         formout(ipc, "register");
1764                         entregis(ipc);
1765                 }
1766         }
1767         /* Make up some temporary filenames for use in various parts of the
1768          * program.  Don't mess with these once they've been set, because we
1769          * will be unlinking them later on in the program and we don't
1770          * want to delete something that we didn't create. */
1771         CtdlMakeTempFileName(temp, sizeof temp);
1772         CtdlMakeTempFileName(temp2, sizeof temp2);
1773         CtdlMakeTempFileName(tempdir, sizeof tempdir);
1774
1775         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1776          * we try to get the user's actual screen dimensions off the server.
1777          * However, if we're running on an xterm, all this stuff is
1778          * irrelevant because we're going to dynamically size the screen
1779          * during the session.
1780          */
1781         screenwidth = 80;
1782         screenheight = 24;
1783         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1784         if (r == 2) {
1785                 screenwidth = myself->USscreenwidth;
1786                 screenheight = myself->USscreenheight;
1787         }
1788         if (getenv("TERM") != NULL)
1789                 if (!strcmp(getenv("TERM"), "xterm")) {
1790                         have_xterm = 1;
1791                 }
1792 #ifdef TIOCGWINSZ
1793         check_screen_dims();
1794 #endif
1795
1796         set_floor_mode(ipc);
1797
1798         /* Enter the lobby */
1799         dotgoto(ipc, "_BASEROOM_", 1, 0);
1800
1801         /* Main loop for the system... user is logged in. */
1802     free(uglist[0]);
1803         uglistsize = 0;
1804
1805         if (newnow == 1)
1806                 readmsgs(ipc, LastMessages, ReadForward, 5);
1807         else
1808                 readmsgs(ipc, NewMessages, ReadForward, 0);
1809
1810         /* MAIN COMMAND LOOP */
1811         do {
1812                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1813
1814 #ifdef TIOCGWINSZ
1815                 check_screen_dims();            /* if xterm, get screen size */
1816 #endif
1817
1818                 if (termn8 == 0)
1819                         switch (mcmd) {
1820                         case 1:
1821                                 formout(ipc, "help");
1822                                 break;
1823                         case 4:
1824                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1825                                 break;
1826                         case 36:
1827                                 entmsg(ipc, 0, 1, 0);
1828                                 break;
1829                         case 46:
1830                                 entmsg(ipc, 0, 2, 0);
1831                                 break;
1832                         case 78:
1833                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 1);
1834                                 break;
1835                         case 5:                         /* <G>oto */
1836                                 updatels(ipc);
1837                                 gotonext(ipc);
1838                                 break;
1839                         case 47:                        /* <A>bandon */
1840                                 if (!rc_alt_semantics) {
1841                                         updatelsa(ipc);
1842                                 }
1843                                 gotonext(ipc);
1844                                 break;
1845                         case 90:                        /* <.A>bandon */
1846                                 if (!rc_alt_semantics)
1847                                         updatelsa(ipc);
1848                                 dotgoto(ipc, argbuf, 0, 0);
1849                                 break;
1850                         case 58:                        /* <M>ail */
1851                                 updatelsa(ipc);
1852                                 dotgoto(ipc, "_MAIL_", 1, 0);
1853                                 break;
1854                         case 20:
1855                                 if (!IsEmptyStr(argbuf)) {
1856                                         updatels(ipc);
1857                                         dotgoto(ipc, argbuf, 0, 0);
1858                                 }
1859                                 break;
1860                         case 52:
1861                                 if (!IsEmptyStr(argbuf)) {
1862                                         if (rc_alt_semantics) {
1863                                                 updatelsa(ipc);
1864                                         }
1865                                         dotgoto(ipc, argbuf, 0, 0);
1866                                 }
1867                                 break;
1868                         case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
1869                                 dotungoto(ipc, argbuf);
1870                                 break;
1871                         case 10:
1872                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1873                                 break;
1874                         case 9:
1875                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1876                                 break;
1877                         case 13:
1878                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1879                                 break;
1880                         case 11:
1881                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1882                                 break;
1883                         case 12:
1884                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1885                                 break;
1886                         case 71:
1887                                 readmsgs(ipc, LastMessages, ReadForward,
1888                                                 atoi(argbuf));
1889                                 break;
1890                         case 7:
1891                                 forget(ipc);
1892                                 break;
1893                         case 18:
1894                                 subshell();
1895                                 break;
1896                         case 38:
1897                                 updatels(ipc);
1898                                 entroom(ipc);
1899                                 break;
1900                         case 22:
1901                                 killroom(ipc);
1902                                 break;
1903                         case 32:
1904                                 userlist(ipc, argbuf);
1905                                 break;
1906                         case 27:
1907                                 invite(ipc);
1908                                 break;
1909                         case 28:
1910                                 kickout(ipc);
1911                                 break;
1912                         case 23:
1913                                 editthisroom(ipc);
1914                                 break;
1915                         case 14:
1916                                 roomdir(ipc);
1917                                 break;
1918                         case 33:
1919                                 download(ipc, 0);
1920                                 break;
1921                         case 34:
1922                                 download(ipc, 1);
1923                                 break;
1924                         case 31:
1925                                 download(ipc, 2);
1926                                 break;
1927                         case 43:
1928                                 download(ipc, 3);
1929                                 break;
1930                         case 45:
1931                                 download(ipc, 4);
1932                                 break;
1933                         case 55:
1934                                 download(ipc, 5);
1935                                 break;
1936                         case 39:
1937                                 upload(ipc, 0);
1938                                 break;
1939                         case 40:
1940                                 upload(ipc, 1);
1941                                 break;
1942                         case 42:
1943                                 upload(ipc, 2);
1944                                 break;
1945                         case 44:
1946                                 upload(ipc, 3);
1947                                 break;
1948                         case 57:
1949                                 cli_upload(ipc);
1950                                 break;
1951                         case 16:
1952                                 ungoto(ipc);
1953                                 break;
1954                         case 24:
1955                                 whoknows(ipc);
1956                                 break;
1957                         case 26:
1958                                 validate(ipc);
1959                                 break;
1960                         case 29:
1961                         case 30:
1962                                 if (!rc_alt_semantics) {
1963                                         updatels(ipc);
1964                                 }
1965                                 termn8 = 1;
1966                                 break;
1967                         case 48:
1968                                 enterinfo(ipc);
1969                                 break;
1970                         case 49:
1971                                 readinfo(ipc);
1972                                 break;
1973                         case 72:
1974                                 cli_image_upload(ipc, "_userpic_");
1975                                 break;
1976                         case 73:
1977                                 cli_image_upload(ipc, "_roompic_");
1978                                 break;
1979
1980                         case 74:
1981                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1982                                 cli_image_upload(ipc, aaa);
1983                                 break;
1984
1985                         case 75:
1986                                 enternew(ipc, "roomname", aaa, 20);
1987                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1988                                 if (r / 100 != 2)
1989                                         scr_printf("\n%s\n", bbb);
1990                                 break;
1991                         case 76:
1992                                 enternew(ipc, "hostname", aaa, 25);
1993                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1994                                 if (r / 100 != 2)
1995                                         scr_printf("\n%s\n", bbb);
1996                                 break;
1997                         case 77:
1998                                 enternew(ipc, "username", aaa, 32);
1999                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
2000                                 if (r / 100 != 2)
2001                                         scr_printf("\n%s\n", bbb);
2002                                 break;
2003
2004                         case 35:
2005                                 set_password(ipc);
2006                                 break;
2007
2008                         case 21:
2009                                 if (argbuf[0] == 0)
2010                                         strcpy(aaa, "?");
2011                                 display_help(ipc, argbuf);
2012                                 break;
2013
2014                         case 41:
2015                                 formout(ipc, "register");
2016                                 entregis(ipc);
2017                                 break;
2018
2019                         case 15:
2020                                 scr_printf("Are you sure (y/n)? ");
2021                                 if (yesno() == 1) {
2022                                         if (!rc_alt_semantics)
2023                                                 updatels(ipc);
2024                                         a = 0;
2025                                         termn8 = 1;
2026                                 }
2027                                 break;
2028
2029                         case 85:
2030                                 scr_printf("All users will be disconnected!  "
2031                                            "Really terminate the server? ");
2032                                 if (yesno() == 1) {
2033                                         if (!rc_alt_semantics)
2034                                                 updatels(ipc);
2035                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
2036                                         scr_printf("%s\n", aaa);
2037                                         if (r / 100 == 2) {
2038                                                 a = 0;
2039                                                 termn8 = 1;
2040                                         }
2041                                 }
2042                                 break;
2043
2044                         case 86:
2045                                 scr_printf("Do you really want to schedule a "
2046                                            "server shutdown? ");
2047                                 if (yesno() == 1) {
2048                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
2049                                         if (r / 100 == 2) {
2050                                                 if (atoi(aaa)) {
2051                                                         scr_printf(
2052                                                                    "The Citadel server will terminate when all users are logged off.\n"
2053                                                                    );
2054                                                 } else {
2055                                                         scr_printf(
2056                                                                    "The Citadel server will not terminate.\n"
2057                                                                    );
2058                                                 }
2059                                         }
2060                                 }
2061                                 break;
2062
2063                         case 87:
2064                                 network_config_management(ipc, "listrecp",
2065                                                           "Message-by-message mailing list recipients");
2066                                 break;
2067
2068                         case 94:
2069                                 network_config_management(ipc, "digestrecp",
2070                                                           "Digest mailing list recipients");
2071                                 break;
2072
2073                         case 89:
2074                                 network_config_management(ipc, "ignet_push_share",
2075                                                           "Nodes with which we share this room");
2076                                 break;
2077
2078                         case 88:
2079                                 do_ignet_configuration(ipc);
2080                                 break;
2081
2082                         case 92:
2083                                 do_filterlist_configuration(ipc);
2084                                 break;
2085
2086                         case 6:
2087                                 if (rc_alt_semantics) {
2088                                         updatelsa(ipc);
2089                                 }
2090                                 gotonext(ipc);
2091                                 break;
2092
2093                         case 3:
2094                                 chatmode(ipc);
2095                                 break;
2096
2097                         case 2:
2098                                 if (ipc->isLocal) {
2099                                         screen_reset();
2100                                         stty_ctdl(SB_RESTORE);
2101                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
2102                                                  "exec ./subsystem %ld %d %d", fullname,
2103                                                  usernum, screenwidth, axlevel);
2104                                         ka_system(aaa);
2105                                         stty_ctdl(SB_NO_INTR);
2106                                         screen_set();
2107                                 } else {
2108                                         scr_printf("*** Can't run doors when server is not local.\n");
2109                                 }
2110                                 break;
2111
2112                         case 17:
2113                                 who_is_online(ipc, 0);
2114                                 break;
2115
2116                         case 79:
2117                                 who_is_online(ipc, 1);
2118                                 break;
2119
2120                         case 91:
2121                                 who_is_online(ipc, 2);
2122                                 break;
2123
2124                         case 80:
2125                                 do_system_configuration(ipc);
2126                                 break;
2127
2128                         case 82:
2129                                 do_internet_configuration(ipc);
2130                                 break;
2131
2132                         case 83:
2133                                 check_message_base(ipc);
2134                                 break;
2135
2136                         case 84:
2137                                 quiet_mode(ipc);
2138                                 break;
2139
2140                         case 93:
2141                                 stealth_mode(ipc);
2142                                 break;
2143
2144                         case 50:
2145                                 enter_config(ipc, 2);
2146                                 break;
2147
2148                         case 37:
2149                                 enter_config(ipc, 0);
2150                                 set_floor_mode(ipc);
2151                                 break;
2152
2153                         case 59:
2154                                 enter_config(ipc, 3);
2155                                 set_floor_mode(ipc);
2156                                 break;
2157
2158                         case 60:
2159                                 gotofloor(ipc, argbuf, GF_GOTO);
2160                                 break;
2161
2162                         case 61:
2163                                 gotofloor(ipc, argbuf, GF_SKIP);
2164                                 break;
2165
2166                         case 62:
2167                                 forget_this_floor(ipc);
2168                                 break;
2169
2170                         case 63:
2171                                 create_floor(ipc);
2172                                 break;
2173
2174                         case 64:
2175                                 edit_floor(ipc);
2176                                 break;
2177
2178                         case 65:
2179                                 kill_floor(ipc);
2180                                 break;
2181
2182                         case 66:
2183                                 enter_bio(ipc);
2184                                 break;
2185
2186                         case 67:
2187                                 read_bio(ipc);
2188                                 break;
2189
2190                         case 25:
2191                                 edituser(ipc, 25);
2192                                 break;
2193
2194                         case 96:
2195                                 edituser(ipc, 96);
2196                                 break;
2197
2198                         case 8:
2199                                 knrooms(ipc, floor_mode);
2200                                 scr_printf("\n");
2201                                 break;
2202
2203                         case 68:
2204                                 knrooms(ipc, 2);
2205                                 scr_printf("\n");
2206                                 break;
2207
2208                         case 69:
2209                                 misc_server_cmd(ipc, argbuf);
2210                                 break;
2211
2212                         case 70:
2213                                 edit_system_message(ipc, argbuf);
2214                                 break;
2215
2216                         case 19:
2217                                 listzrooms(ipc);
2218                                 scr_printf("\n");
2219                                 break;
2220
2221                         case 51:
2222                                 deletefile(ipc);
2223                                 break;
2224
2225                         case 54:
2226                                 movefile(ipc);
2227                                 break;
2228
2229                         case 56:
2230                                 page_user(ipc);
2231                                 break;
2232
2233             case 110:           /* <+> Next room */
2234                                  gotoroomstep(ipc, 1, 0);
2235                              break;
2236
2237             case 111:           /* <-> Previous room */
2238                  gotoroomstep(ipc, 0, 0);
2239                              break;
2240
2241                         case 112:           /* <>> Next floor */
2242                  gotofloorstep(ipc, 1, GF_GOTO);
2243                              break;
2244
2245                         case 113:           /* <<> Previous floor */
2246                  gotofloorstep(ipc, 0, GF_GOTO);
2247                                  break;
2248
2249             case 116:           /* <.> skip to <+> Next room */
2250                  gotoroomstep(ipc, 1, 1);
2251                              break;
2252
2253             case 117:           /* <.> skip to <-> Previous room */
2254                  gotoroomstep(ipc, 0, 1);
2255                              break;
2256
2257                         case 118:           /* <.> skip to <>> Next floor */
2258                  gotofloorstep(ipc, 1, GF_SKIP);
2259                              break;
2260
2261                         case 119:           /* <.> skip to <<> Previous floor */
2262                  gotofloorstep(ipc, 0, GF_SKIP);
2263                                  break;
2264
2265                         case 114:
2266                  read_config(ipc);
2267                                  break;
2268
2269                         case 115:
2270                  system_info(ipc);
2271                                  break;
2272
2273                         case 120:           /* .KAnonymous */
2274                          dotknown(ipc, 0, NULL);
2275                                  break;
2276
2277                         case 121:           /* .KDirectory */
2278                          dotknown(ipc, 1, NULL);
2279                                  break;
2280
2281                         case 122:           /* .KMatch */
2282                          dotknown(ipc, 2, argbuf);
2283                                  break;
2284
2285                         case 123:           /* .KpreferredOnly */
2286                          dotknown(ipc, 3, NULL);
2287                                  break;
2288
2289                         case 124:           /* .KPrivate */
2290                          dotknown(ipc, 4, NULL);
2291                                  break;
2292
2293                         case 125:           /* .KRead only */
2294                          dotknown(ipc, 5, NULL);
2295                                  break;
2296
2297                         case 126:           /* .KShared */
2298                          dotknown(ipc, 6, NULL);
2299                                  break;
2300
2301                         case 127:           /* Configure POP3 aggregation */
2302                                 do_pop3client_configuration(ipc);
2303                                 break;
2304
2305                         case 128:           /* Configure XML/RSS feed retrieval */
2306                                 do_rssclient_configuration(ipc);
2307                                 break;
2308
2309                         default: /* allow some math on the command */
2310                                 /* commands 100... to 100+MAX_EDITORS-1 will
2311                                    call the appropriate editor... in other
2312                                    words, command numbers 100+ will match
2313                                    the citadel.rc keys editor0, editor1, etc.*/
2314                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
2315                                 {
2316                                         /* entmsg mode >=2 select editor */
2317                                         entmsg(ipc, 0, mcmd - 100 + 2, 0);
2318                                         break;
2319                                 }
2320                         }       /* end switch */
2321         } while (termn8 == 0);
2322
2323 TERMN8: scr_printf("%s logged out.", fullname);
2324         termn8 = 0;
2325         color(ORIGINAL_PAIR);
2326         scr_printf("\n");
2327         while (marchptr != NULL) {
2328                 remove_march(marchptr->march_name, 0);
2329         }
2330         if (mcmd == 30) {
2331                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
2332         }
2333         CtdlIPCLogout(ipc);
2334         if ((mcmd == 29) || (mcmd == 15)) {
2335                 screen_delete();
2336                 stty_ctdl(SB_RESTORE);
2337                 formout(ipc, "goodbye");
2338                 logoff(ipc, 0);
2339         }
2340         /* Free the ungoto list */
2341         for (lp = 0; lp < uglistsize; lp++) {
2342                 free(uglist[lp]);
2343         }
2344     uglistsize = 0;
2345         goto GSTA;
2346
2347 }       /* end main() */
2348