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