citadel/textclient/citadel.c

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