citadel/textclient/citadel.c

   1 /*
   2  * Main source module for the client program.
   3  *
   4  * Copyright (c) 1987-2012 by the citadel.org team
   5  *
   6  *  This program is open source software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License version 3.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  */
  14
  15 #include "sysdep.h"
  16 #include <stdlib.h>
  17 #include <unistd.h>
  18 #include <fcntl.h>
  19 #include <stdio.h>
  20 #include <ctype.h>
  21 #include <string.h>
  22
  23 #if TIME_WITH_SYS_TIME
  24 # include <sys/time.h>
  25 # include <time.h>
  26 #else
  27 # if HAVE_SYS_TIME_H
  28 #  include <sys/time.h>
  29 # else
  30 #  include <time.h>
  31 # endif
  32 #endif
  33
  34 #include <limits.h>
  35 #include <sys/types.h>
  36 #include <sys/wait.h>
  37 #include <sys/stat.h>
  38 #include <sys/ioctl.h>
  39 #include <signal.h>
  40 #include <pwd.h>
  41 #include <stdarg.h>
  42 #include <errno.h>
  43 #include <libcitadel.h>
  44 #include "citadel.h"
  45 #include "citadel_ipc.h"
  46 #include "axdefs.h"
  47 #include "routines.h"
  48 #include "routines2.h"
  49 #include "tuiconfig.h"
  50 #include "rooms.h"
  51 #include "messages.h"
  52 #include "commands.h"
  53 #include "client_chat.h"
  54 #include "client_passwords.h"
  55 #include "citadel_decls.h"
  56 #include "sysdep.h"
  57 #ifndef HAVE_SNPRINTF
  58 #include "snprintf.h"
  59 #endif
  60 #include "screen.h"
  61 #include "citadel_dirs.h"
  62
  63 #include "ecrash.h"
  64 #include "md5.h"
  65
  66 #define IFEXPERT if (userflags&US_EXPERT)
  67 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  68 #define IFAIDE if (axlevel>=AxAideU)
  69 #define IFNAIDE if (axlevel<AxAideU)
  70
  71 int rordercmp(struct ctdlroomlisting *r1, struct ctdlroomlisting *r2);
  72 march *marchptr = NULL;
  73 extern char *moreprompt;
  74
  75 /* globals associated with the client program */
  76 char temp[PATH_MAX];            /* Name of general-purpose temp file */
  77 char temp2[PATH_MAX];           /* Name of general-purpose temp file */
  78 char tempdir[PATH_MAX];         /* Name of general-purpose temp directory */
  79 char editor_paths[MAX_EDITORS][SIZ];    /* paths to external editors */
  80 char printcmd[SIZ];             /* print command */
  81 int editor_pid = (-1);
  82 char fullname[USERNAME_SIZE];
  83 unsigned room_flags;
  84 unsigned room_flags2;
  85 int entmsg_ok = 0;
  86 char room_name[ROOMNAMELEN];
  87 char *uglist[UGLISTLEN]; /* size of the ungoto list */
  88 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
  89 int uglistsize = 0;
  90 char is_mail = 0;               /* nonzero when we're in a mail room */
  91 char axlevel = AxDeleted;               /* access level */
  92 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
  93 int timescalled;
  94 int posted;
  95 unsigned userflags;
  96 long usernum = 0L;              /* user number */
  97 time_t lastcall = 0L;           /* Date/time of previous login */
  98 char newnow;
  99 long highest_msg_read;          /* used for <A>bandon room cmd */
 100 long maxmsgnum;                 /* used for <G>oto */
 101 char sigcaught = 0;
 102 char rc_username[USERNAME_SIZE];
 103 char rc_password[32];
 104 char hostbuf[SIZ];
 105 char portbuf[SIZ];
 106 char rc_floor_mode;
 107 char floor_mode;
 108 char curr_floor = 0;            /* number of current floor */
 109 char floorlist[128][SIZ];       /* names of floors */
 110 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
 111 int secure;                     /* Set to nonzero when wire is encrypted */
 112
 113 extern char instant_msgs;       /* instant messages waiting! */
 114 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
 115 extern int next_lazy_cmd;
 116
 117 CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
 118 int enable_syslog = 0;
 119
 120
 121 /*
 122  * here is our 'clean up gracefully and exit' routine
 123  */
 124 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
 125 {
 126         int lp;
 127
 128         if (editor_pid > 0) {   /* kill the editor if it's running */
 129                 kill(editor_pid, SIGHUP);
 130         }
 131
 132         /* Free the ungoto list */
 133         for (lp = 0; lp < uglistsize; lp++) {
 134                 free(uglist[lp]);
 135         }
 136
 137 /* Shut down the server connection ... but not if the logoff code is 3,
 138  * because that means we're exiting because we already lost the server.
 139  */
 140         if (code != 3) {
 141                 CtdlIPCQuit(ipc);
 142         }
 143
 144 /*
 145  * now clean up various things
 146  */
 147         unlink(temp);
 148         unlink(temp2);
 149         nukedir(tempdir);
 150
 151         /* Violently kill off any child processes if Citadel is
 152          * the login shell.
 153          */
 154         if (getppid() == 1) {
 155                 kill(0 - getpgrp(), SIGTERM);
 156                 sleep(1);
 157                 kill(0 - getpgrp(), SIGKILL);
 158         }
 159         color(ORIGINAL_PAIR);   /* Restore the old color settings */
 160         stty_ctdl(SB_RESTORE);  /* return the old terminal settings */
 161         /*
 162          * uncomment the following if you need to know why Citadel exited
 163         printf("*** Exit code %d at %s:%d\n", code, file, line);
 164         sleep(2);
 165          */
 166         exit(code);             /* exit with the proper exit code */
 167 }
 168
 169
 170
 171 /*
 172  * signal catching function for hangups...
 173  */
 174 void dropcarr(int signum)
 175 {
 176         logoff(NULL, 3);        /* No IPC when server's already gone! */
 177 }
 178
 179
 180
 181 /*
 182  * catch SIGCONT to reset terminal modes when were are put back into the
 183  * foreground.
 184  */
 185 void catch_sigcont(int signum)
 186 {
 187         stty_ctdl(SB_LAST);
 188         signal(SIGCONT, catch_sigcont);
 189 }
 190
 191
 192 /* general purpose routines */
 193
 194 /* display a file */
 195 void formout(CtdlIPC *ipc, char *name)
 196 {
 197         int r;                  /* IPC return code */
 198         char buf[SIZ];
 199         char *text = NULL;
 200
 201         r = CtdlIPCSystemMessage(ipc, name, &text, buf);
 202         if (r / 100 != 1) {
 203                 scr_printf("%s\n", buf);
 204                 return;
 205         }
 206         if (text) {
 207                 fmout(screenwidth, NULL, text, NULL, 1);
 208                 free(text);
 209         }
 210 }
 211
 212
 213 void userlist(CtdlIPC *ipc, char *patn)
 214 {
 215         char buf[SIZ];
 216         char fl[SIZ];
 217         struct tm tmbuf;
 218         time_t lc;
 219         int r;                          /* IPC response code */
 220         char *listing = NULL;
 221
 222         r = CtdlIPCUserListing(ipc, patn, &listing, buf);
 223         if (r / 100 != 1) {
 224                 scr_printf("%s\n", buf);
 225                 return;
 226         }
 227
 228         scr_printf("       User Name           Num  L Last Visit Logins Messages\n");
 229         scr_printf("------------------------- ----- - ---------- ------ --------\n");
 230         if (listing != NULL) while (!IsEmptyStr(listing)) {
 231                 extract_token(buf, listing, 0, '\n', sizeof buf);
 232                 remove_token(listing, 0, '\n');
 233
 234                 if (sigcaught == 0) {
 235                     extract_token(fl, buf, 0, '|', sizeof fl);
 236                     if (pattern(fl, patn) >= 0) {
 237                         scr_printf("%-25s ", fl);
 238                         scr_printf("%5ld %d ", extract_long(buf, 2),
 239                                extract_int(buf, 1));
 240                         lc = extract_long(buf, 3);
 241                         localtime_r(&lc, &tmbuf);
 242                         scr_printf("%02d/%02d/%04d ",
 243                                (tmbuf.tm_mon + 1),
 244                                tmbuf.tm_mday,
 245                                (tmbuf.tm_year + 1900));
 246                         scr_printf("%6ld %8ld\n", extract_long(buf, 4), extract_long(buf, 5));
 247                     }
 248
 249                 }
 250         }
 251         free(listing);
 252         scr_printf("\n");
 253 }
 254
 255
 256 /*
 257  * grab assorted info about the user...
 258  */
 259 void load_user_info(char *params)
 260 {
 261         extract_token(fullname, params, 0, '|', sizeof fullname);
 262         axlevel = extract_int(params, 1);
 263         timescalled = extract_int(params, 2);
 264         posted = extract_int(params, 3);
 265         userflags = extract_int(params, 4);
 266         usernum = extract_long(params, 5);
 267         lastcall = extract_long(params, 6);
 268 }
 269
 270
 271 /*
 272  * Remove a room from the march list.  'floornum' is ignored unless
 273  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 274  * floor will be removed from the march list.
 275  */
 276 void remove_march(char *roomname, int floornum)
 277 {
 278         struct march *mptr, *mptr2;
 279
 280         if (marchptr == NULL)
 281                 return;
 282
 283         if ((!strcasecmp(marchptr->march_name, roomname))
 284             || ((!strcasecmp(roomname, "_FLOOR_")) && (marchptr->march_floor == floornum))) {
 285                 mptr = marchptr->next;
 286                 free(marchptr);
 287                 marchptr = mptr;
 288                 return;
 289         }
 290         mptr2 = marchptr;
 291         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
 292
 293                 if ((!strcasecmp(mptr->march_name, roomname))
 294                     || ((!strcasecmp(roomname, "_FLOOR_"))
 295                         && (mptr->march_floor == floornum))) {
 296
 297                         mptr2->next = mptr->next;
 298                         free(mptr);
 299                         mptr = mptr2;
 300                 } else {
 301                         mptr2 = mptr;
 302                 }
 303         }
 304 }
 305
 306
 307 /*
 308  * Locate the room on the march list which we most want to go to.  Each room
 309  * is measured given a "weight" of preference based on various factors.
 310  */
 311 char *pop_march(int desired_floor, struct march *_march)
 312 {
 313         static char TheRoom[ROOMNAMELEN];
 314         int TheWeight = 0;
 315         int weight;
 316         struct march *mptr = NULL;
 317
 318         strcpy(TheRoom, "_BASEROOM_");
 319         if (_march == NULL)
 320                 return (TheRoom);
 321
 322         for (mptr = _march; mptr != NULL; mptr = mptr->next) {
 323                 weight = 0;
 324                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 325                         weight = weight + 10000;
 326                 if (mptr->march_floor == desired_floor)
 327                         weight = weight + 5000;
 328
 329                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 330                 weight = weight + (128 - (mptr->march_order));
 331
 332                 if (weight > TheWeight) {
 333                         TheWeight = weight;
 334                         strcpy(TheRoom, mptr->march_name);
 335                 }
 336         }
 337         return (TheRoom);
 338 }
 339
 340
 341 /*
 342  * jump directly to a room
 343  */
 344 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
 345 {
 346         char aaa[SIZ], bbb[SIZ];
 347         static long ls = 0L;
 348         int newmailcount = 0;
 349         int partial_match, best_match;
 350         char from_floor;
 351         int ugpos = uglistsize;
 352         int r;                          /* IPC result code */
 353         struct ctdlipcroom *room = NULL;
 354         int rv = 0;
 355
 356         /* store ungoto information */
 357         if (fromungoto == 0) {
 358                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
 359                 if (uglistsize >= (UGLISTLEN-1)) {
 360                         int lp;
 361                         free (uglist[0]);
 362                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
 363                                 uglist[lp] = uglist[lp+1];
 364                                 uglistlsn[lp] = uglistlsn[lp+1];
 365                         }
 366                         ugpos--;
 367                 } else {
 368                         uglistsize++;
 369                 }
 370
 371                 uglist[ugpos] = malloc(strlen(room_name)+1);
 372                 strcpy(uglist[ugpos], room_name);
 373                 uglistlsn[ugpos] = ls;
 374         }
 375
 376         /* first try an exact match */
 377         r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
 378         if (r / 10 == 54) {
 379                 newprompt("Enter room password: ", bbb, 9);
 380                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
 381                 if (r / 10 == 54) {
 382                         scr_printf("Wrong password.\n");
 383                         return;
 384                 }
 385         }
 386
 387         /*
 388          * If a match is not found, try a partial match.
 389          * Partial matches anywhere in the string carry a weight of 1,
 390          * left-aligned matches carry a weight of 2.  Pick the room that
 391          * has the highest-weighted match.  Do not match on forgotten
 392          * rooms.
 393          */
 394         if (r / 100 != 2) {
 395                 struct march *march = NULL;
 396
 397                 best_match = 0;
 398                 strcpy(bbb, "");
 399
 400                 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
 401                 if (r / 100 == 1) {
 402                         /* Run the roomlist; free the data as we go */
 403                         struct march *mp = march;       /* Current */
 404
 405                         while (mp) {
 406                                 partial_match = 0;
 407                                 if (pattern(mp->march_name, towhere) >= 0) {
 408                                         partial_match = 1;
 409                                 }
 410                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
 411                                         partial_match = 2;
 412                                 }
 413                                 if (partial_match > best_match) {
 414                                         strcpy(bbb, mp->march_name);
 415                                         best_match = partial_match;
 416                                 }
 417                                 /* Both pointers are NULL at end of list */
 418                                 march = mp->next;
 419                                 free(mp);
 420                                 mp = march;
 421                         }
 422                 }
 423
 424                 if (IsEmptyStr(bbb)) {
 425                         scr_printf("No room '%s'.\n", towhere);
 426                         return;
 427                 }
 428                 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
 429         }
 430         if (r / 100 != 1 && r / 100 != 2) {
 431                 scr_printf("%s\n", aaa);
 432                 return;
 433         }
 434         safestrncpy(room_name, room->RRname, ROOMNAMELEN);
 435         room_flags = room->RRflags;
 436         room_flags2 = room->RRflags2;
 437         from_floor = curr_floor;
 438         curr_floor = room->RRfloor;
 439
 440         /* Determine, based on the room's default view, whether an <E>nter message
 441          * command will be valid here.
 442          */
 443         switch(room->RRdefaultview) {
 444                 case VIEW_BBS:
 445                 case VIEW_MAILBOX:
 446                 case VIEW_BLOG:
 447                                         entmsg_ok = 1;
 448                                         break;
 449                 default:
 450                                         entmsg_ok = 0;
 451                                         break;
 452         }
 453
 454         remove_march(room_name, 0);
 455         if (!strcasecmp(towhere, "_BASEROOM_"))
 456                 remove_march(towhere, 0);
 457         if (!room->RRunread)
 458                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
 459         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 460                 if (floorlist[(int) curr_floor][0] == 0)
 461                         load_floorlist(ipc);
 462                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 463         }
 464         if (display_name == 1) {
 465                 color(BRIGHT_WHITE);
 466                 scr_printf("%s ", room_name);
 467                 color(DIM_WHITE);
 468                 scr_printf("- ");
 469         }
 470         if (display_name != 2) {
 471                 color(BRIGHT_YELLOW);
 472                 scr_printf("%d ", room->RRunread);
 473                 color(DIM_WHITE);
 474                 scr_printf("new of ");
 475                 color(BRIGHT_YELLOW);
 476                 scr_printf("%d ", room->RRtotal);
 477                 color(DIM_WHITE);
 478                 scr_printf("messages.\n");
 479         }
 480         highest_msg_read = room->RRlastread;
 481         maxmsgnum = room->RRhighest;
 482         is_mail = room->RRismailbox;
 483         is_room_aide = room->RRaide;
 484         ls = room->RRlastread;
 485
 486         /* read info file if necessary */
 487         if (room->RRinfoupdated > 0)
 488                 readinfo(ipc);
 489
 490         /* check for newly arrived mail if we can */
 491         newmailcount = room->RRnewmail;
 492         if (newmailcount > 0) {
 493                 color(BRIGHT_RED);
 494                 if (newmailcount == 1) {
 495                         scr_printf("*** A new mail message has arrived.\n");
 496                 }
 497                 else {
 498                         scr_printf("*** %d new mail messages have arrived.\n",
 499                                         newmailcount);
 500                 }
 501                 color(DIM_WHITE);
 502                 if (!IsEmptyStr(rc_gotmail_cmd)) {
 503                         rv = system(rc_gotmail_cmd);
 504                         if (rv)
 505                                 scr_printf("*** failed to check for mail calling %s Reason %d.\n",
 506                                            rc_gotmail_cmd, rv);
 507                 }
 508         }
 509         free(room);
 510
 511         if (screenwidth>5) snprintf(&status_line[1], screenwidth-1, "%s  |  %s  |  %s  |  %s  |  %d new mail  |",
 512                 (secure ? "Encrypted" : "Unencrypted"),
 513                 ipc->ServInfo.humannode,
 514                 ipc->ServInfo.site_location,
 515                 room_name,
 516                 newmailcount
 517         );
 518 }
 519
 520 /* Goto next room having unread messages.
 521  * We want to skip over rooms that the user has already been to, and take the
 522  * user back to the lobby when done.  The room we end up in is placed in
 523  * newroom - which is set to 0 (the lobby) initially.
 524  */
 525 void gotonext(CtdlIPC *ipc)
 526 {
 527         char buf[SIZ];
 528         struct march *mptr, *mptr2;
 529         char next_room[ROOMNAMELEN];
 530
 531         /* Check to see if the march-mode list is already allocated.
 532          * If it is, pop the first room off the list and go there.
 533          */
 534         if (marchptr == NULL) {
 535                 CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
 536                                   AllFloors, &marchptr, buf);
 537
 538 /* add _BASEROOM_ to the end of the march list, so the user will end up
 539  * in the system base room (usually the Lobby>) at the end of the loop
 540  */
 541                 mptr = (struct march *) malloc(sizeof(struct march));
 542                 mptr->next = NULL;
 543                 mptr->march_order = 0;
 544                 mptr->march_floor = 0;
 545                 strcpy(mptr->march_name, "_BASEROOM_");
 546                 if (marchptr == NULL) {
 547                         marchptr = mptr;
 548                 } else {
 549                         mptr2 = marchptr;
 550                         while (mptr2->next != NULL)
 551                                 mptr2 = mptr2->next;
 552                         mptr2->next = mptr;
 553                 }
 554 /*
 555  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 556  * walk around in circles
 557  */
 558                 remove_march(room_name, 0);
 559         }
 560         if (marchptr != NULL) {
 561                 strcpy(next_room, pop_march(curr_floor, marchptr));
 562         } else {
 563                 strcpy(next_room, "_BASEROOM_");
 564         }
 565         remove_march(next_room, 0);
 566         dotgoto(ipc, next_room, 1, 0);
 567 }
 568
 569 /*
 570  * forget all rooms on a given floor
 571  */
 572 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
 573 {
 574         char buf[SIZ];
 575         struct march *flist = NULL;
 576         struct march *fptr = NULL;
 577         struct ctdlipcroom *room = NULL;
 578         int r;                          /* IPC response code */
 579
 580         scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
 581         remove_march("_FLOOR_", ffloor);
 582         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
 583         if (r / 100 != 1) {
 584                 scr_printf("Error %d: %s\n", r, buf);
 585                 return;
 586         }
 587         while (flist) {
 588                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
 589                 if (r / 100 == 2) {
 590                         r = CtdlIPCForgetRoom(ipc, buf);
 591                         if (r / 100 != 2) {
 592                                 scr_printf("Error %d: %s\n", r, buf);
 593                         }
 594
 595                 }
 596                 fptr = flist;
 597                 flist = flist->next;
 598                 free(fptr);
 599         }
 600         if (room) free(room);
 601 }
 602
 603
 604 /*
 605  * routine called by gotofloor() to move to a new room on a new floor
 606  */
 607 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
 608 {
 609         int floor_being_left;
 610
 611         floor_being_left = curr_floor;
 612
 613         if (mode == GF_GOTO) {          /* <;G>oto mode */
 614                 updatels(ipc);
 615                 dotgoto(ipc, towhere, 1, 0);
 616         }
 617         else if (mode == GF_SKIP) {     /* <;S>kip mode */
 618                 dotgoto(ipc, towhere, 1, 0);
 619                 remove_march("_FLOOR_", floor_being_left);
 620         }
 621         else if (mode == GF_ZAP) {      /* <;Z>ap mode */
 622                 dotgoto(ipc, towhere, 1, 0);
 623                 remove_march("_FLOOR_", floor_being_left);
 624                 forget_all_rooms_on(ipc, floor_being_left);
 625         }
 626 }
 627
 628
 629 /*
 630  * go to a new floor
 631  */
 632 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
 633 {
 634         int a, tofloor;
 635         int r;          /* IPC response code */
 636         struct march *mptr;
 637         char buf[SIZ], targ[SIZ];
 638
 639         if (floorlist[0][0] == 0)
 640                 load_floorlist(ipc);
 641         tofloor = (-1);
 642         for (a = 0; a < 128; ++a)
 643                 if (!strcasecmp(&floorlist[a][0], towhere))
 644                         tofloor = a;
 645
 646         if (tofloor < 0) {
 647                 for (a = 0; a < 128; ++a) {
 648                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 649                                 tofloor = a;
 650                         }
 651                 }
 652         }
 653         if (tofloor < 0) {
 654                 for (a = 0; a < 128; ++a)
 655                         if (pattern(towhere, &floorlist[a][0]) > 0)
 656                                 tofloor = a;
 657         }
 658         if (tofloor < 0) {
 659                 scr_printf("No floor '%s'.\n", towhere);
 660                 return;
 661         }
 662         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
 663                 if ((mptr->march_floor) == tofloor) {
 664                         gf_toroom(ipc, mptr->march_name, mode);
 665                         return;
 666                 }
 667         }
 668
 669         /* Find first known room on the floor */
 670
 671         strcpy(targ, "");
 672         mptr = NULL;
 673         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
 674         if (r / 100 == 1) {
 675                 struct march *tmp = mptr;
 676
 677                 /*. . . according to room order */
 678                 if (mptr)
 679             strcpy(targ, pop_march(tofloor, mptr));
 680                 while (mptr) {
 681                         tmp = mptr->next;
 682                         free(mptr);
 683                         mptr = tmp;
 684                 }
 685         }
 686         if (!IsEmptyStr(targ)) {
 687                 gf_toroom(ipc, targ, mode);
 688                 return;
 689         }
 690
 691         /* No known rooms on the floor; unzap the first one then */
 692
 693         strcpy(targ, "");
 694         mptr = NULL;
 695         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
 696         if (r / 100 == 1) {
 697                 struct march *tmp = mptr;
 698
 699         /*. . . according to room order */
 700                 if (mptr)
 701                         strcpy(targ, pop_march(tofloor, mptr));
 702                 while (mptr) {
 703                         tmp = mptr->next;
 704                         free(mptr);
 705                         mptr = tmp;
 706                 }
 707         }
 708         if (!IsEmptyStr(targ)) {
 709                 gf_toroom(ipc, targ, mode);
 710         } else {
 711                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 712         }
 713 }
 714
 715 /*
 716  * Indexing mechanism for a room list, called by gotoroomstep()
 717  */
 718 void room_tree_list_query(struct ctdlroomlisting *rp, char *findrmname, int findrmslot, char *rmname, int *rmslot, int *rmtotal)
 719 {
 720         char roomname[ROOMNAMELEN];
 721         static int cur_rmslot = 0;
 722
 723         if (rp == NULL) {
 724                 cur_rmslot = 0;
 725                 return;
 726         }
 727
 728         if (rp->lnext != NULL) {
 729                 room_tree_list_query(rp->lnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 730         }
 731
 732         if (sigcaught == 0) {
 733                 strcpy(roomname, rp->rlname);
 734
 735                 if (rmname != NULL) {
 736                         if (cur_rmslot == findrmslot) {
 737                                 strcpy(rmname, roomname);
 738                         }
 739                 }
 740                 if (rmslot != NULL) {
 741                         if (!strcmp(roomname, findrmname)) {
 742                                 *rmslot = cur_rmslot;
 743                         }
 744                 }
 745                 cur_rmslot++;
 746         }
 747
 748         if (rp->rnext != NULL) {
 749                 room_tree_list_query(rp->rnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 750         }
 751
 752         if ((rmname == NULL) && (rmslot == NULL))
 753                 free(rp);
 754
 755         if (rmtotal != NULL) {
 756                 *rmtotal = cur_rmslot;
 757         }
 758 }
 759
 760 /*
 761  * step through rooms on current floor
 762  */
 763 void  gotoroomstep(CtdlIPC *ipc, int direction, int mode)
 764 {
 765         struct march *listing = NULL;
 766         struct march *mptr;
 767         int r;          /* IPC response code */
 768         char buf[SIZ];
 769         struct ctdlroomlisting *rl = NULL;
 770         struct ctdlroomlisting *rp;
 771         struct ctdlroomlisting *rs;
 772         int list_it;
 773         char rmname[ROOMNAMELEN];
 774         int rmslot = 0;
 775         int rmtotal;
 776
 777         /* Ask the server for a room list */
 778         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, (-1), &listing, buf);
 779         if (r / 100 != 1) {
 780                 listing = NULL;
 781         }
 782
 783         load_floorlist(ipc);
 784
 785         for (mptr = listing; mptr != NULL; mptr = mptr->next) {
 786                 list_it = 1;
 787
 788                 if ( floor_mode
 789                          && (mptr->march_floor != curr_floor))
 790                         list_it = 0;
 791
 792                 if (list_it) {
 793                         rp = malloc(sizeof(struct ctdlroomlisting));
 794                         strncpy(rp->rlname, mptr->march_name, ROOMNAMELEN);
 795                         rp->rlflags = mptr->march_flags;
 796                         rp->rlfloor = mptr->march_floor;
 797                         rp->rlorder = mptr->march_order;
 798                         rp->lnext = NULL;
 799                         rp->rnext = NULL;
 800
 801                         rs = rl;
 802                         if (rl == NULL) {
 803                                 rl = rp;
 804                         } else {
 805                                 while (rp != NULL) {
 806                                         if (rordercmp(rp, rs) < 0) {
 807                                                 if (rs->lnext == NULL) {
 808                                                         rs->lnext = rp;
 809                                                         rp = NULL;
 810                                                 } else {
 811                                                         rs = rs->lnext;
 812                                                 }
 813                                         } else {
 814                                                 if (rs->rnext == NULL) {
 815                                                         rs->rnext = rp;
 816                                                         rp = NULL;
 817                                                 } else {
 818                                                         rs = rs->rnext;
 819                                                 }
 820                                         }
 821                                 }
 822                         }
 823                 }
 824         }
 825
 826         /* Find position of current room */
 827         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 828         room_tree_list_query(rl,  room_name, 0, NULL, &rmslot, &rmtotal);
 829
 830         if (direction == 0) { /* Previous room */
 831                 /* If we're at the first room, wrap to the last room */
 832                 if (rmslot == 0) {
 833                         rmslot = rmtotal - 1;
 834                 } else {
 835                         rmslot--;
 836                 }
 837         } else {                 /* Next room */
 838                 /* If we're at the last room, wrap to the first room */
 839                 if (rmslot == rmtotal - 1) {
 840                         rmslot = 0;
 841                 } else {
 842                         rmslot++;
 843                 }
 844         }
 845
 846         /* Get name of next/previous room */
 847         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 848         room_tree_list_query(rl,  NULL, rmslot, rmname, NULL, NULL);
 849
 850         /* Free the tree */
 851         room_tree_list_query(rl, NULL, 0, NULL, NULL, NULL);
 852
 853         if (mode == 0) { /* not skipping */
 854             updatels(ipc);
 855         } else {
 856                 if (rc_alt_semantics) {
 857                 updatelsa(ipc);
 858                 }
 859         }
 860
 861         /* Free the room list */
 862         while (listing) {
 863                 mptr = listing->next;
 864                 free(listing);
 865                 listing = mptr;
 866         };
 867
 868         dotgoto(ipc, rmname, 1, 0);
 869 }
 870
 871
 872 /*
 873  * step through floors on system
 874  */
 875 void  gotofloorstep(CtdlIPC *ipc, int direction, int mode)
 876 {
 877         int  tofloor;
 878
 879         if (floorlist[0][0] == 0)
 880                 load_floorlist(ipc);
 881
 882         empty_keep_going:
 883
 884         if (direction == 0) { /* Previous floor */
 885                 if (curr_floor) tofloor = curr_floor - 1;
 886                 else tofloor = 127;
 887
 888                 while (!floorlist[tofloor][0]) tofloor--;
 889         } else {                   /* Next floor */
 890                 if (curr_floor < 127) tofloor = curr_floor + 1;
 891                 else tofloor = 0;
 892
 893                 while (!floorlist[tofloor][0] && tofloor < 127) tofloor++;
 894                 if (!floorlist[tofloor][0])     tofloor = 0;
 895         }
 896         /* ;g works when not in floor mode so . . . */
 897         if (!floor_mode) {
 898                 scr_printf("(%s)\n", floorlist[tofloor] );
 899         }
 900
 901         gotofloor(ipc, floorlist[tofloor], mode);
 902         if (curr_floor != tofloor) { /* gotofloor failed */
 903              curr_floor = tofloor;
 904              goto empty_keep_going;
 905         }
 906 }
 907
 908 /*
 909  * Display user 'preferences'.
 910  */
 911 extern int rc_prompt_control;
 912 void read_config(CtdlIPC *ipc)
 913 {
 914         char buf[SIZ];
 915         char *resp = NULL;
 916         int r;                  /* IPC response code */
 917     char _fullname[USERNAME_SIZE];
 918         long _usernum;
 919         int _axlevel, _timescalled, _posted;
 920         time_t _lastcall;
 921         struct ctdluser *user = NULL;
 922
 923         /* get misc user info */
 924         r = CtdlIPCGetBio(ipc, fullname, &resp, buf);
 925         if (r / 100 != 1) {
 926                 scr_printf("%s\n", buf);
 927                 return;
 928         }
 929         extract_token(_fullname, buf, 1, '|', sizeof fullname);
 930         _usernum = extract_long(buf, 2);
 931         _axlevel = extract_int(buf, 3);
 932         _lastcall = extract_long(buf, 4);
 933     _timescalled = extract_int(buf, 5);
 934         _posted = extract_int(buf, 6);
 935         free(resp);
 936         resp = NULL;
 937
 938         /* get preferences */
 939         r = CtdlIPCGetConfig(ipc, &user, buf);
 940         if (r / 100 != 2) {
 941                 scr_printf("%s\n", buf);
 942                 free(user);
 943                 return;
 944         }
 945
 946         /* show misc user info */
 947         scr_printf("%s\nAccess level: %d (%s)\n"
 948                    "User #%ld / %d Calls / %d Posts",
 949                    _fullname, _axlevel, axdefs[(int) _axlevel],
 950                    _usernum, _timescalled, _posted);
 951         if (_lastcall > 0L) {
 952                 scr_printf(" / Curr login: %s",
 953                            asctime(localtime(&_lastcall)));
 954         }
 955         scr_printf("\n");
 956
 957         /* show preferences */
 958         scr_printf("Are you an experienced Citadel user: ");                   color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXPERT) ? "Yes" : "No");     color(DIM_WHITE);
 959         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);
 960         scr_printf("Prompt after each message: ");                             color(BRIGHT_CYAN); scr_printf("%s\n", (!(user->flags & US_NOPROMPT))? "Yes" : "No"); color(DIM_WHITE);
 961         if ((user->flags & US_NOPROMPT) == 0) {
 962         scr_printf("Use 'disappearing' prompts: ");                        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_DISAPPEAR)? "Yes" : "No");   color(DIM_WHITE);
 963         }
 964         scr_printf("Pause after each screenful of text: ");                    color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PAGINATOR)? "Yes" : "No");   color(DIM_WHITE);
 965     if (rc_prompt_control == 3 && (user->flags & US_PAGINATOR)) {
 966         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);
 967         }
 968     if (rc_floor_mode == RC_DEFAULT) {
 969         scr_printf("View rooms by floor: ");                               color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_FLOORS)? "Yes" : "No");          color(DIM_WHITE);
 970         }
 971         if (rc_ansi_color == 3) {
 972             scr_printf("Enable color support: ");                              color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_COLOR)? "Yes" : "No");       color(DIM_WHITE);
 973         }
 974         scr_printf("Be unlisted in userlog: ");                                color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_UNLISTED)? "Yes" : "No");    color(DIM_WHITE);
 975         if (!IsEmptyStr(editor_paths[0])) {
 976         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);
 977         }
 978         free(user);
 979 }
 980
 981 /*
 982  * Display system statistics.
 983  */
 984 void system_info(CtdlIPC *ipc)
 985 {
 986         char buf[SIZ];
 987         char *resp = NULL;
 988         size_t bytes;
 989         int mrtg_users, mrtg_active_users;
 990         char mrtg_server_uptime[40];
 991         long mrtg_himessage;
 992
 993         /* get #users, #active & server uptime */
 994         CtdlIPCGenericCommand(ipc, "MRTG|users", NULL, 0, &resp, &bytes, buf);
 995         mrtg_users = extract_int(resp, 0);
 996         remove_token(resp, 0, '\n');
 997         mrtg_active_users = extract_int(resp, 0);
 998         remove_token(resp, 0, '\n');
 999         extract_token(mrtg_server_uptime, resp, 0, '\n', sizeof mrtg_server_uptime);
1000         free(resp);
1001         resp = NULL;
1002
1003         /* get high message# */
1004         CtdlIPCGenericCommand(ipc, "MRTG|messages", NULL, 0, &resp, &bytes, buf);
1005         mrtg_himessage = extract_long(resp, 0);
1006         free(resp);
1007         resp = NULL;
1008
1009         /* refresh server info just in case */
1010         CtdlIPCServerInfo(ipc, buf);
1011
1012         scr_printf("You are connected to %s (%s) @%s\n", ipc->ServInfo.nodename, ipc->ServInfo.humannode, ipc->ServInfo.fqdn);
1013         scr_printf("running %s with text client v%.2f,\n", ipc->ServInfo.software, (float)REV_LEVEL/100);
1014         scr_printf("server build %s,\n", ipc->ServInfo.svn_revision, (float)REV_LEVEL/100);
1015     scr_printf("and located in %s.\n", ipc->ServInfo.site_location);
1016     scr_printf("Connected users %d / Active users %d / Highest message #%ld\n", mrtg_users, mrtg_active_users, mrtg_himessage);
1017     scr_printf("Server uptime: %s\n", mrtg_server_uptime);
1018     scr_printf("Your system administrator is %s.\n", ipc->ServInfo.sysadm);
1019     scr_printf("Copyright (C)1987-2009 by the Citadel development team\n");
1020 }
1021
1022 /*
1023  * forget all rooms on current floor
1024  */
1025 void forget_this_floor(CtdlIPC *ipc)
1026 {
1027         if (curr_floor == 0) {
1028                 scr_printf("Can't forget this floor.\n");
1029                 return;
1030         }
1031         if (floorlist[0][0] == 0) {
1032                 load_floorlist(ipc);
1033         }
1034         scr_printf("Are you sure you want to forget all rooms on %s? ",
1035                &floorlist[(int) curr_floor][0]);
1036         if (yesno() == 0) {
1037                 return;
1038         }
1039
1040         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
1041 }
1042
1043
1044 /*
1045  * set floor mode depending on client, server, and user settings
1046  */
1047 void set_floor_mode(CtdlIPC* ipc)
1048 {
1049         if (ipc->ServInfo.ok_floors == 0) {
1050                 floor_mode = 0; /* Don't use floors if the server */
1051         }
1052         /* doesn't support them!          */
1053         else {
1054                 if (rc_floor_mode == RC_NO) {   /* never use floors */
1055                         floor_mode = 0;
1056                 }
1057                 if (rc_floor_mode == RC_YES) {  /* always use floors */
1058                         floor_mode = 1;
1059                 }
1060                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
1061                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
1062                 }
1063         }
1064 }
1065
1066 /*
1067  * Set or change the user's password
1068  */
1069 int set_password(CtdlIPC *ipc)
1070 {
1071         char pass1[20];
1072         char pass2[20];
1073         char buf[SIZ];
1074
1075         if (!IsEmptyStr(rc_password)) {
1076                 strcpy(pass1, rc_password);
1077                 strcpy(pass2, rc_password);
1078         } else {
1079                 IFNEXPERT formout(ipc, "changepw");
1080                 newprompt("Enter a new password: ", pass1, -19);
1081                 newprompt("Enter it again to confirm: ", pass2, -19);
1082         }
1083         strproc(pass1);
1084         strproc(pass2);
1085         if (!strcasecmp(pass1, pass2)) {
1086                 CtdlIPCChangePassword(ipc, pass1, buf);
1087                 scr_printf("%s\n", buf);
1088                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
1089                 return (0);
1090         } else {
1091                 scr_printf("*** They don't match... try again.\n");
1092                 return (1);
1093         }
1094 }
1095
1096
1097
1098 /*
1099  * get info about the server we've connected to
1100  */
1101 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
1102 {
1103         char buf[SIZ];
1104
1105         CtdlIPCServerInfo(ipc, buf);
1106         moreprompt = ipc->ServInfo.moreprompt;
1107
1108         /* be nice and identify ourself to the server */
1109         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
1110                  (ipc->isLocal ? "local" : CITADEL),
1111                  (supplied_hostname) ? supplied_hostname :
1112                  /* Look up the , in the bible if you're confused */
1113                  (locate_host(ipc, buf), buf), buf);
1114
1115         /* Indicate to the server that we prefer to decode Base64 and
1116          * quoted-printable on the client side.
1117          */
1118         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "dont_decode") / 100 ) != 2) {
1119                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1120                 logoff(ipc, 0);
1121         }
1122
1123         /*
1124          * Tell the server what our preferred content formats are.
1125          *
1126          * Originally we preferred HTML over plain text because we can format
1127          * it to the reader's screen width, but since our HTML-to-text parser
1128          * isn't really all that great, it's probably better to just go with
1129          * the plain text when we have it available.
1130          */
1131         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/plain|text/html") / 100 ) != 2) {
1132                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1133                 logoff(ipc, 0);
1134         }
1135 }
1136
1137
1138
1139 /*
1140  * Session username compare function for SortOnlineUsers()
1141  */
1142 int rwho_username_cmp(const void *rec1, const void *rec2) {
1143         char *u1, *u2;
1144
1145         u1 = strchr(rec1, '|');
1146         u2 = strchr(rec2, '|');
1147
1148         return strcasecmp( (u1?++u1:"") , (u2?++u2:"") );
1149 }
1150
1151
1152 /*
1153  * Idle time compare function for SortOnlineUsers()
1154  */
1155 int idlecmp(const void *rec1, const void *rec2) {
1156         time_t i1, i2;
1157
1158         i1 = extract_long(rec1, 5);
1159         i2 = extract_long(rec2, 5);
1160
1161         if (i1 < i2) return(1);
1162         if (i1 > i2) return(-1);
1163         return(0);
1164 }
1165
1166
1167 /*
1168  * Sort the list of online users by idle time.
1169  * This function frees the supplied buffer, and returns a new one
1170  * to the caller.  The caller is responsible for freeing the returned buffer.
1171  *
1172  * If 'condense' is nonzero, multiple sessions for the same user will be
1173  * combined into one for brevity.
1174  */
1175 char *SortOnlineUsers(char *listing, int condense) {
1176         int rows;
1177         char *sortbuf;
1178         char *retbuf;
1179         char buf[SIZ];
1180         int i;
1181
1182         rows = num_tokens(listing, '\n');
1183         sortbuf = malloc(rows * SIZ);
1184         if (sortbuf == NULL) return(listing);
1185         retbuf = malloc(rows * SIZ);
1186         if (retbuf == NULL) {
1187                 free(sortbuf);
1188                 return(listing);
1189         }
1190
1191         /* Copy the list into a fixed-record-size array for sorting */
1192         for (i=0; i<rows; ++i) {
1193                 memset(buf, 0, SIZ);
1194                 extract_token(buf, listing, i, '\n', sizeof buf);
1195                 memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
1196         }
1197
1198         /* Sort by idle time */
1199         qsort(sortbuf, rows, SIZ, idlecmp);
1200
1201         /* Combine multiple sessions for the same user */
1202         if (condense) {
1203                 qsort(sortbuf, rows, SIZ, rwho_username_cmp);
1204                 if (rows > 1) for (i=1; i<rows; ++i) if (i>0) {
1205                         char u1[USERNAME_SIZE];
1206                         char u2[USERNAME_SIZE];
1207                         extract_token(u1, &sortbuf[(i-1)*SIZ], 1, '|', sizeof u1);
1208                         extract_token(u2, &sortbuf[i*SIZ], 1, '|', sizeof u2);
1209                         if (!strcasecmp(u1, u2)) {
1210                                 memcpy(&sortbuf[i*SIZ], &sortbuf[(i+1)*SIZ], (rows-i-1)*SIZ);
1211                                 --rows;
1212                                 --i;
1213                         }
1214                 }
1215
1216                 qsort(sortbuf, rows, SIZ, idlecmp);     /* idle sort again */
1217         }
1218
1219         /* Copy back to a \n delimited list */
1220         strcpy(retbuf, "");
1221         for (i=0; i<rows; ++i) {
1222                 if (!IsEmptyStr(&sortbuf[i*SIZ])) {
1223                         strcat(retbuf, &sortbuf[i*SIZ]);
1224                         if (i<(rows-1)) strcat(retbuf, "\n");
1225                 }
1226         }
1227         free(listing);
1228         free(sortbuf);
1229         return(retbuf);
1230 }
1231
1232
1233
1234 /*
1235  * Display list of users currently logged on to the server
1236  */
1237 void who_is_online(CtdlIPC *ipc, int longlist)
1238 {
1239         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
1240         char flags[SIZ];
1241         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
1242         char clientsoft[SIZ];
1243         time_t timenow = 0;
1244         time_t idletime, idlehours, idlemins, idlesecs;
1245         int last_session = (-1);
1246         int skipidle = 0;
1247         char *listing = NULL;
1248         int r;                          /* IPC response code */
1249
1250         if (longlist == 2) {
1251                 longlist = 0;
1252                 skipidle = 1;
1253         }
1254
1255         if (!longlist) {
1256                 color(BRIGHT_WHITE);
1257                 scr_printf("           User Name               Room          ");
1258                 if (screenwidth >= 80) scr_printf(" Idle        From host");
1259                 scr_printf("\n");
1260                 color(DIM_WHITE);
1261                 scr_printf("   ------------------------- --------------------");
1262                 if (screenwidth >= 80) scr_printf(" ---- ------------------------");
1263                 scr_printf("\n");
1264         }
1265         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
1266         listing = SortOnlineUsers(listing, (!longlist));
1267         if (r / 100 == 1) {
1268                 while (!IsEmptyStr(listing)) {
1269                         int isidle = 0;
1270
1271                         /* Get another line */
1272                         extract_token(buf, listing, 0, '\n', sizeof buf);
1273                         remove_token(listing, 0, '\n');
1274
1275                         extract_token(username, buf, 1, '|', sizeof username);
1276                         extract_token(roomname, buf, 2, '|', sizeof roomname);
1277                         extract_token(fromhost, buf, 3, '|', sizeof fromhost);
1278                         extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
1279                         extract_token(flags, buf, 7, '|', sizeof flags);
1280
1281                         idletime = timenow - extract_long(buf, 5);
1282                         idlehours = idletime / 3600;
1283                         idlemins = (idletime - (idlehours * 3600)) / 60;
1284                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
1285
1286                         if (idletime > rc_idle_threshold) {
1287                                 if (skipidle) {
1288                                         isidle = 1;
1289                                 }
1290                         }
1291
1292                         if (longlist) {
1293                                 extract_token(actual_user, buf, 8, '|', sizeof actual_user);
1294                                 extract_token(actual_room, buf, 9, '|', sizeof actual_room);
1295                                 extract_token(actual_host, buf, 10, '|', sizeof actual_host);
1296
1297                                 scr_printf("  Flags: %s\n", flags);
1298                                 scr_printf("Session: %d\n", extract_int(buf, 0));
1299                                 scr_printf("   Name: %s\n", username);
1300                                 scr_printf("In room: %s\n", roomname);
1301                                 scr_printf("   Host: %s\n", fromhost);
1302                                 scr_printf(" Client: %s\n", clientsoft);
1303                                 scr_printf("   Idle: %ld:%02ld:%02ld\n",
1304                                         (long) idlehours,
1305                                         (long) idlemins,
1306                                         (long) idlesecs);
1307
1308                                 if ( (!IsEmptyStr(actual_user)&&
1309                                       !IsEmptyStr(actual_room)&&
1310                                       !IsEmptyStr(actual_host))) {
1311                                         scr_printf("(really ");
1312                                         if (!IsEmptyStr(actual_user)) scr_printf("<%s> ", actual_user);
1313                                         if (!IsEmptyStr(actual_room)) scr_printf("in <%s> ", actual_room);
1314                                         if (!IsEmptyStr(actual_host)) scr_printf("from <%s> ", actual_host);
1315                                         scr_printf(")\n");
1316                                 }
1317                                 scr_printf("\n");
1318
1319                         } else {
1320                                 if (isidle == 0) {
1321                                         if (extract_int(buf, 0) == last_session) {
1322                                                 scr_printf("        ");
1323                                         }
1324                                         else {
1325                                                 color(BRIGHT_MAGENTA);
1326                                                 scr_printf("%-3s", flags);
1327                                         }
1328                                         last_session = extract_int(buf, 0);
1329                                         color(BRIGHT_CYAN);
1330                                         scr_printf("%-25s ", username);
1331                                         color(BRIGHT_MAGENTA);
1332                                         roomname[20] = 0;
1333                                         scr_printf("%-20s", roomname);
1334
1335                                         if (screenwidth >= 80) {
1336                                                 scr_printf(" ");
1337                                                 if (idletime > rc_idle_threshold) {
1338                                                         /* over 1000d, must be gone fishing */
1339                                                         if (idlehours > 23999) {
1340                                                                 scr_printf("fish");
1341                                                         /* over 10 days */
1342                                                         } else if (idlehours > 239) {
1343                                                                 scr_printf("%3ldd", idlehours / 24);
1344                                                         /* over 10 hours */
1345                                                         } else if (idlehours > 9) {
1346                                                                 scr_printf("%1ldd%02ld",
1347                                                                         idlehours / 24,
1348                                                                         idlehours % 24);
1349                                                         /* less than 10 hours */
1350                                                         }
1351                                                         else {
1352                                                                 scr_printf("%1ld:%02ld", idlehours, idlemins);
1353                                                         }
1354                                                 }
1355                                                 else {
1356                                                         scr_printf("    ");
1357                                                 }
1358                                                 scr_printf(" ");
1359                                                 color(BRIGHT_CYAN);
1360                                                 fromhost[24] = '\0';
1361                                                 scr_printf("%-24s", fromhost);
1362                                         }
1363                                         scr_printf("\n");
1364                                         color(DIM_WHITE);
1365                                 }
1366                         }
1367                 }
1368         }
1369         free(listing);
1370 }
1371
1372 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
1373 {
1374         char bbb[128];
1375         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
1376         newprompt(bbb, buf, maxlen);
1377 }
1378
1379
1380
1381 int shift(int argc, char **argv, int start, int count) {
1382         int i;
1383
1384         for (i=start; i<(argc-count); ++i) {
1385                 argv[i] = argv[i+count];
1386         }
1387         argc = argc - count;
1388         return argc;
1389 }
1390
1391 static void statusHook(char *s) {
1392         scr_printf(s);
1393 }
1394
1395 /*
1396  * main
1397  */
1398 int main(int argc, char **argv)
1399 {
1400         int a, b, mcmd;
1401         char aaa[100], bbb[100];/* general purpose variables */
1402         char argbuf[64];        /* command line buf */
1403         char nonce[NONCE_SIZE];
1404         char *telnet_client_host = NULL;
1405         char *sptr, *sptr2;     /* USed to extract the nonce */
1406         char hexstring[MD5_HEXSTRING_SIZE];
1407         char password[SIZ];
1408         struct ctdlipcmisc chek;
1409         struct ctdluser *myself = NULL;
1410         CtdlIPC* ipc;                   /* Our server connection */
1411         int r;                          /* IPC result code */
1412         int rv = 0;                     /* fetch but ignore syscall return value to suppress warnings */
1413
1414         int relh=0;
1415         int home=0;
1416         char relhome[PATH_MAX]="";
1417         char ctdldir[PATH_MAX]=CTDLDIR;
1418     int lp;
1419 #ifdef HAVE_BACKTRACE
1420         eCrashParameters params;
1421 //      eCrashSymbolTable symbol_table;
1422 #endif
1423         calc_dirs_n_files(relh, home, relhome, ctdldir, 0);
1424
1425 #ifdef HAVE_BACKTRACE
1426         bzero(&params, sizeof(params));
1427         params.filename = file_pid_paniclog;
1428 //      panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
1429         params.filep = fopen(file_pid_paniclog, "a+");
1430         params.debugLevel = ECRASH_DEBUG_VERBOSE;
1431         params.dumpAllThreads = TRUE;
1432         params.useBacktraceSymbols = 1;
1433 ///     BuildSymbolTable(&symbol_table);
1434 //      params.symbolTable = &symbol_table;
1435         params.signals[0]=SIGSEGV;
1436         params.signals[1]=SIGILL;
1437         params.signals[2]=SIGBUS;
1438         params.signals[3]=SIGABRT;
1439
1440         eCrash_Init(&params);
1441 #endif
1442         setIPCErrorPrintf(scr_printf);
1443         setCryptoStatusHook(statusHook);
1444
1445         /* Permissions sanity check - don't run citadel setuid/setgid */
1446         if (getuid() != geteuid()) {
1447                 scr_printf("Please do not run citadel setuid!\n");
1448                 logoff(NULL, 3);
1449         } else if (getgid() != getegid()) {
1450                 scr_printf("Please do not run citadel setgid!\n");
1451                 logoff(NULL, 3);
1452         }
1453
1454         stty_ctdl(SB_SAVE);     /* Store the old terminal parameters */
1455         load_command_set();     /* parse the citadel.rc file */
1456         stty_ctdl(SB_NO_INTR);  /* Install the new ones */
1457         /* signal(SIGHUP, dropcarr);FIXME */    /* Cleanup gracefully if carrier is dropped */
1458         signal(SIGPIPE, dropcarr);      /* Cleanup gracefully if local conn. dropped */
1459         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
1460         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1461 #ifdef SIGWINCH
1462         signal(SIGWINCH, scr_winch);    /* Window resize signal */
1463 #endif
1464
1465 #ifdef HAVE_OPENSSL
1466         arg_encrypt = RC_DEFAULT;
1467 #endif
1468
1469         /*
1470          * Handle command line options as if we were called like /bin/login
1471          * (i.e. from in.telnetd)
1472          */
1473         for (a=0; a<argc; ++a) {
1474                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1475                         telnet_client_host = argv[a+1];
1476                         argc = shift(argc, argv, a, 2);
1477                 }
1478                 if (!strcmp(argv[a], "-x")) {
1479 #ifdef HAVE_OPENSSL
1480                         arg_encrypt = RC_NO;
1481 #endif
1482                         argc = shift(argc, argv, a, 1);
1483                 }
1484                 if (!strcmp(argv[a], "-X")) {
1485 #ifdef HAVE_OPENSSL
1486                         arg_encrypt = RC_YES;
1487                         argc = shift(argc, argv, a, 1);
1488 #else
1489                         fprintf(stderr, "Not compiled with encryption support");
1490                         return 1;
1491 #endif
1492                 }
1493                 if (!strcmp(argv[a], "-p")) {
1494                         struct stat st;
1495
1496                         if (chdir(CTDLDIR) < 0) {
1497                                 perror("can't change to " CTDLDIR);
1498                                 logoff(NULL, 3);
1499                         }
1500
1501                         /*
1502                          * Drop privileges if necessary. We stat
1503                          * citadel.config to get the uid/gid since it's
1504                          * guaranteed to have the uid/gid we want.
1505                          */
1506                         if (!getuid() || !getgid()) {
1507                                 if (stat(file_citadel_config, &st) < 0) {
1508                                         perror("couldn't stat citadel.config");
1509                                         logoff(NULL, 3);
1510                                 }
1511                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1512                                         perror("couldn't change gid");
1513                                         logoff(NULL, 3);
1514                                 }
1515                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1516                                         perror("couldn't change uid");
1517                                         logoff(NULL, 3);
1518                                 }
1519                                 /*
1520                                   scr_printf("Privileges changed to uid %d gid %d\n",
1521                                   getuid(), getgid());
1522                                 */
1523                         }
1524                         argc = shift(argc, argv, a, 1);
1525                 }
1526         }
1527
1528
1529         screen_new();
1530         /* Get screen dimensions.  First we go to a default of 80x24.
1531          * Then attempt to read the actual screen size from the terminal.
1532          */
1533         check_screen_dims();
1534
1535
1536 #ifdef __CYGWIN__
1537         newprompt("Connect to (return for local server): ", hostbuf, 64);
1538 #endif
1539
1540         scr_printf("Attaching to server...\n");
1541         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1542         if (!ipc) {
1543                 error_printf("Can't connect: %s\n", strerror(errno));
1544                 logoff(NULL, 3);
1545         }
1546
1547         CtdlIPC_SetNetworkStatusCallback(ipc, scr_wait_indicator);
1548
1549         if (!(ipc->isLocal)) {
1550                 scr_printf("Connected to %s [%s].\n", ipc->ip_hostname, ipc->ip_address);
1551         }
1552
1553         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1554
1555         CtdlIPC_chat_recv(ipc, aaa);
1556         if (aaa[0] != '2') {
1557                 scr_printf("%s\n", &aaa[4]);
1558                 logoff(ipc, atoi(aaa));
1559         }
1560
1561         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1562          * is zeroized.
1563          */
1564
1565         if ((sptr = strchr(aaa, '<')) == NULL)
1566                 {
1567                         nonce[0] = '\0';
1568                 }
1569         else
1570                 {
1571                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1572                                 {
1573                                         nonce[0] = '\0';
1574                                 }
1575                         else
1576                                 {
1577                                         sptr2++;
1578                                         *sptr2 = '\0';
1579                                         strncpy(nonce, sptr, (size_t)NONCE_SIZE);
1580                                 }
1581                 }
1582
1583 #ifdef HAVE_OPENSSL
1584         /* Evaluate encryption preferences */
1585         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1586                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1587                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1588                         if (!secure)
1589                                 error_printf("Can't encrypt: %s\n", aaa);
1590                 }
1591         }
1592 #endif
1593
1594         get_serv_info(ipc, telnet_client_host);
1595         scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
1596                    ipc->ServInfo.site_location);
1597
1598         scr_printf(" pause    next    stop\n");
1599         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1600         formout(ipc, "hello");  /* print the opening greeting */
1601         scr_printf("\n");
1602
1603  GSTA:  /* See if we have a username and password on disk */
1604         if (rc_remember_passwords) {
1605                 get_stored_password(hostbuf, portbuf, fullname, password);
1606                 if (!IsEmptyStr(fullname)) {
1607                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1608                         if (r / 100 == 3) {
1609                                 if (*nonce) {
1610                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1611                                 } else {
1612                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1613                                 }
1614                         }
1615
1616                         if (r / 100 == 2) {
1617                                 load_user_info(aaa);
1618                                 goto PWOK;
1619                         } else {
1620                                 set_stored_password(hostbuf, portbuf, "", "");
1621                         }
1622                 }
1623         }
1624
1625         termn8 = 0;
1626         newnow = 0;
1627         do {
1628                 if (!IsEmptyStr(rc_username)) {
1629                         strcpy(fullname, rc_username);
1630                 } else {
1631                         newprompt("Enter your name: ", fullname, 29);
1632                 }
1633                 strproc(fullname);
1634                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1635                         scr_printf("Please enter the name you wish to log in with.\n");
1636                 }
1637         } while (
1638                  (!strcasecmp(fullname, "bbs"))
1639                  || (!strcasecmp(fullname, "new"))
1640                  || (IsEmptyStr(fullname)));
1641
1642         if (!strcasecmp(fullname, "off")) {
1643                 mcmd = 29;
1644                 goto TERMN8;
1645         }
1646
1647         /* FIXME this is a stupid way to do guest mode but it's a reasonable test harness FIXME */
1648         if ( (ipc->ServInfo.guest_logins) && (!strcasecmp(fullname, "guest")) ) {
1649                 goto PWOK;
1650         }
1651
1652         /* sign on to the server */
1653         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1654         if (r / 100 != 3)
1655                 goto NEWUSR;
1656
1657         /* password authentication */
1658         if (!IsEmptyStr(rc_password)) {
1659                 strcpy(password, rc_password);
1660         } else {
1661                 newprompt("\rPlease enter your password: ", password, -(SIZ-1));
1662         }
1663
1664         if (*nonce) {
1665                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1666                 if (r / 100 != 2) {
1667                         strproc(password);
1668                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1669                 }
1670         } else {
1671                 r = CtdlIPCTryPassword(ipc, password, aaa);
1672                 if (r / 100 != 2) {
1673                         strproc(password);
1674                         r = CtdlIPCTryPassword(ipc, password, aaa);
1675                 }
1676         }
1677
1678         if (r / 100 == 2) {
1679                 load_user_info(aaa);
1680                 offer_to_remember_password(ipc, hostbuf, portbuf,
1681                                            fullname, password);
1682                 goto PWOK;
1683         }
1684         scr_printf("<< wrong password >>\n");
1685         if (!IsEmptyStr(rc_password))
1686                 logoff(ipc, 2);
1687         goto GSTA;
1688
1689 NEWUSR: if (IsEmptyStr(rc_password)) {
1690                 scr_printf("'%s' not found.\n", fullname);
1691                 scr_printf("Type 'off' if you would like to exit.\n");
1692                 if (ipc->ServInfo.newuser_disabled == 1) {
1693                         goto GSTA;
1694                 }
1695                 scr_printf("Do you want to create a new user account called '%s'? ",
1696                         fullname);
1697                 if (yesno() == 0) {
1698                         goto GSTA;
1699                 }
1700         }
1701
1702         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1703         if (r / 100 != 2) {
1704                 scr_printf("%s\n", aaa);
1705                 goto GSTA;
1706         }
1707         load_user_info(aaa);
1708
1709         while (set_password(ipc) != 0);
1710         newnow = 1;
1711
1712         enter_config(ipc, 1);
1713
1714  PWOK:
1715         /* Switch color support on or off if we're in user mode */
1716         if (rc_ansi_color == 3) {
1717                 if (userflags & US_COLOR)
1718                         enable_color = 1;
1719                 else
1720                         enable_color = 0;
1721         }
1722
1723         color(BRIGHT_WHITE);
1724         scr_printf("\n%s\nAccess level: %d (%s)\n"
1725                    "User #%ld / Login #%d",
1726                    fullname, axlevel, axdefs[(int) axlevel],
1727                    usernum, timescalled);
1728         if (lastcall > 0L) {
1729                 scr_printf(" / Last login: %s",
1730                            asctime(localtime(&lastcall)));
1731         }
1732         scr_printf("\n");
1733
1734         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1735         if (r / 100 == 2) {
1736                 b = chek.newmail;
1737                 if (b > 0) {
1738                         color(BRIGHT_RED);
1739                         if (b == 1)
1740                                 scr_printf("*** You have a new private message in Mail>\n");
1741                         if (b > 1)
1742                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1743                         color(DIM_WHITE);
1744                         if (!IsEmptyStr(rc_gotmail_cmd)) {
1745                                 rv = system(rc_gotmail_cmd);
1746                                 if (rv)
1747                                         scr_printf("*** failed to check for mail calling %s Reason %d.\n",
1748                                                    rc_gotmail_cmd, rv);
1749
1750                         }
1751                 }
1752                 if ((axlevel >= AxAideU) && (chek.needvalid > 0)) {
1753                         scr_printf("*** Users need validation\n");
1754                 }
1755                 if (chek.needregis > 0) {
1756                         scr_printf("*** Please register.\n");
1757                         formout(ipc, "register");
1758                         entregis(ipc);
1759                 }
1760         }
1761         /* Make up some temporary filenames for use in various parts of the
1762          * program.  Don't mess with these once they've been set, because we
1763          * will be unlinking them later on in the program and we don't
1764          * want to delete something that we didn't create. */
1765         CtdlMakeTempFileName(temp, sizeof temp);
1766         CtdlMakeTempFileName(temp2, sizeof temp2);
1767         CtdlMakeTempFileName(tempdir, sizeof tempdir);
1768
1769         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1770         set_floor_mode(ipc);
1771
1772         /* Enter the lobby */
1773         dotgoto(ipc, "_BASEROOM_", 1, 0);
1774
1775         /* Main loop for the system... user is logged in. */
1776     free(uglist[0]);
1777         uglistsize = 0;
1778
1779         if (newnow == 1)
1780                 readmsgs(ipc, LastMessages, ReadForward, 5);
1781         else
1782                 readmsgs(ipc, NewMessages, ReadForward, 0);
1783
1784         /* MAIN COMMAND LOOP */
1785         do {
1786                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1787
1788 #ifdef TIOCGWINSZ
1789                 check_screen_dims();            /* get screen size */
1790 #endif
1791
1792                 if (termn8 == 0)
1793                         switch (mcmd) {
1794                         case 1:
1795                                 formout(ipc, "help");
1796                                 break;
1797                         case 4:
1798                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1799                                 break;
1800                         case 36:
1801                                 entmsg(ipc, 0, 1, 0);
1802                                 break;
1803                         case 46:
1804                                 entmsg(ipc, 0, 2, 0);
1805                                 break;
1806                         case 78:
1807                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 1);
1808                                 break;
1809                         case 5:                         /* <G>oto */
1810                                 updatels(ipc);
1811                                 gotonext(ipc);
1812                                 break;
1813                         case 47:                        /* <A>bandon */
1814                                 if (!rc_alt_semantics) {
1815                                         updatelsa(ipc);
1816                                 }
1817                                 gotonext(ipc);
1818                                 break;
1819                         case 90:                        /* <.A>bandon */
1820                                 if (!rc_alt_semantics)
1821                                         updatelsa(ipc);
1822                                 dotgoto(ipc, argbuf, 0, 0);
1823                                 break;
1824                         case 58:                        /* <M>ail */
1825                                 updatelsa(ipc);
1826                                 dotgoto(ipc, "_MAIL_", 1, 0);
1827                                 break;
1828                         case 20:
1829                                 if (!IsEmptyStr(argbuf)) {
1830                                         updatels(ipc);
1831                                         dotgoto(ipc, argbuf, 0, 0);
1832                                 }
1833                                 break;
1834                         case 52:
1835                                 if (!IsEmptyStr(argbuf)) {
1836                                         if (rc_alt_semantics) {
1837                                                 updatelsa(ipc);
1838                                         }
1839                                         dotgoto(ipc, argbuf, 0, 0);
1840                                 }
1841                                 break;
1842                         case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
1843                                 dotungoto(ipc, argbuf);
1844                                 break;
1845                         case 10:
1846                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1847                                 break;
1848                         case 9:
1849                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1850                                 break;
1851                         case 13:
1852                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1853                                 break;
1854                         case 11:
1855                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1856                                 break;
1857                         case 12:
1858                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1859                                 break;
1860                         case 71:
1861                                 readmsgs(ipc, LastMessages, ReadForward,
1862                                                 atoi(argbuf));
1863                                 break;
1864                         case 7:
1865                                 forget(ipc);
1866                                 break;
1867                         case 18:
1868                                 subshell();
1869                                 break;
1870                         case 38:
1871                                 updatels(ipc);
1872                                 entroom(ipc);
1873                                 break;
1874                         case 22:
1875                                 killroom(ipc);
1876                                 break;
1877                         case 32:
1878                                 userlist(ipc, argbuf);
1879                                 break;
1880                         case 27:
1881                                 invite(ipc);
1882                                 break;
1883                         case 28:
1884                                 kickout(ipc);
1885                                 break;
1886                         case 23:
1887                                 editthisroom(ipc);
1888                                 break;
1889                         case 14:
1890                                 roomdir(ipc);
1891                                 break;
1892                         case 33:
1893                                 download(ipc, 0);
1894                                 break;
1895                         case 34:
1896                                 download(ipc, 1);
1897                                 break;
1898                         case 31:
1899                                 download(ipc, 2);
1900                                 break;
1901                         case 43:
1902                                 download(ipc, 3);
1903                                 break;
1904                         case 45:
1905                                 download(ipc, 4);
1906                                 break;
1907                         case 55:
1908                                 download(ipc, 5);
1909                                 break;
1910                         case 39:
1911                                 upload(ipc, 0);
1912                                 break;
1913                         case 40:
1914                                 upload(ipc, 1);
1915                                 break;
1916                         case 42:
1917                                 upload(ipc, 2);
1918                                 break;
1919                         case 44:
1920                                 upload(ipc, 3);
1921                                 break;
1922                         case 57:
1923                                 cli_upload(ipc);
1924                                 break;
1925                         case 16:
1926                                 ungoto(ipc);
1927                                 break;
1928                         case 24:
1929                                 whoknows(ipc);
1930                                 break;
1931                         case 26:
1932                                 validate(ipc);
1933                                 break;
1934                         case 29:
1935                         case 30:
1936                                 if (!rc_alt_semantics) {
1937                                         updatels(ipc);
1938                                 }
1939                                 termn8 = 1;
1940                                 break;
1941                         case 48:
1942                                 enterinfo(ipc);
1943                                 break;
1944                         case 49:
1945                                 readinfo(ipc);
1946                                 break;
1947                         case 72:
1948                                 cli_image_upload(ipc, "_userpic_");
1949                                 break;
1950                         case 73:
1951                                 cli_image_upload(ipc, "_roompic_");
1952                                 break;
1953
1954                         case 74:
1955                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1956                                 cli_image_upload(ipc, aaa);
1957                                 break;
1958
1959                         case 75:
1960                                 enternew(ipc, "roomname", aaa, 20);
1961                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1962                                 if (r / 100 != 2)
1963                                         scr_printf("\n%s\n", bbb);
1964                                 break;
1965                         case 76:
1966                                 enternew(ipc, "hostname", aaa, 25);
1967                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1968                                 if (r / 100 != 2)
1969                                         scr_printf("\n%s\n", bbb);
1970                                 break;
1971                         case 77:
1972                                 enternew(ipc, "username", aaa, 32);
1973                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
1974                                 if (r / 100 != 2)
1975                                         scr_printf("\n%s\n", bbb);
1976                                 break;
1977
1978                         case 35:
1979                                 set_password(ipc);
1980                                 break;
1981
1982                         case 21:
1983                                 if (argbuf[0] == 0)
1984                                         strcpy(aaa, "?");
1985                                 display_help(ipc, argbuf);
1986                                 break;
1987
1988                         case 41:
1989                                 formout(ipc, "register");
1990                                 entregis(ipc);
1991                                 break;
1992
1993                         case 15:
1994                                 scr_printf("Are you sure (y/n)? ");
1995                                 if (yesno() == 1) {
1996                                         if (!rc_alt_semantics)
1997                                                 updatels(ipc);
1998                                         a = 0;
1999                                         termn8 = 1;
2000                                 }
2001                                 break;
2002
2003                         case 85:
2004                                 scr_printf("All users will be disconnected!  "
2005                                            "Really terminate the server? ");
2006                                 if (yesno() == 1) {
2007                                         if (!rc_alt_semantics)
2008                                                 updatels(ipc);
2009                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
2010                                         scr_printf("%s\n", aaa);
2011                                         if (r / 100 == 2) {
2012                                                 a = 0;
2013                                                 termn8 = 1;
2014                                         }
2015                                 }
2016                                 break;
2017
2018                         case 86:
2019                                 scr_printf("Do you really want to schedule a "
2020                                            "server shutdown? ");
2021                                 if (yesno() == 1) {
2022                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
2023                                         if (r / 100 == 2) {
2024                                                 if (atoi(aaa)) {
2025                                                         scr_printf(
2026                                                                    "The Citadel server will terminate when all users are logged off.\n"
2027                                                                    );
2028                                                 } else {
2029                                                         scr_printf(
2030                                                                    "The Citadel server will not terminate.\n"
2031                                                                    );
2032                                                 }
2033                                         }
2034                                 }
2035                                 break;
2036
2037                         case 87:
2038                                 network_config_management(ipc, "listrecp",
2039                                                           "Message-by-message mailing list recipients");
2040                                 break;
2041
2042                         case 94:
2043                                 network_config_management(ipc, "digestrecp",
2044                                                           "Digest mailing list recipients");
2045                                 break;
2046
2047                         case 89:
2048                                 network_config_management(ipc, "ignet_push_share",
2049                                                           "Nodes with which we share this room");
2050                                 break;
2051
2052                         case 88:
2053                                 do_ignet_configuration(ipc);
2054                                 break;
2055
2056                         case 92:
2057                                 do_filterlist_configuration(ipc);
2058                                 break;
2059
2060                         case 6:
2061                                 if (rc_alt_semantics) {
2062                                         updatelsa(ipc);
2063                                 }
2064                                 gotonext(ipc);
2065                                 break;
2066
2067                         case 3:
2068                                 chatmode(ipc);
2069                                 break;
2070
2071                         case 17:
2072                                 who_is_online(ipc, 0);
2073                                 break;
2074
2075                         case 79:
2076                                 who_is_online(ipc, 1);
2077                                 break;
2078
2079                         case 91:
2080                                 who_is_online(ipc, 2);
2081                                 break;
2082
2083                         case 80:
2084                                 do_system_configuration(ipc);
2085                                 break;
2086
2087                         case 82:
2088                                 do_internet_configuration(ipc);
2089                                 break;
2090
2091                         case 83:
2092                                 check_message_base(ipc);
2093                                 break;
2094
2095                         case 84:
2096                                 quiet_mode(ipc);
2097                                 break;
2098
2099                         case 93:
2100                                 stealth_mode(ipc);
2101                                 break;
2102
2103                         case 50:
2104                                 enter_config(ipc, 2);
2105                                 break;
2106
2107                         case 37:
2108                                 enter_config(ipc, 0);
2109                                 set_floor_mode(ipc);
2110                                 break;
2111
2112                         case 59:
2113                                 enter_config(ipc, 3);
2114                                 set_floor_mode(ipc);
2115                                 break;
2116
2117                         case 60:
2118                                 gotofloor(ipc, argbuf, GF_GOTO);
2119                                 break;
2120
2121                         case 61:
2122                                 gotofloor(ipc, argbuf, GF_SKIP);
2123                                 break;
2124
2125                         case 62:
2126                                 forget_this_floor(ipc);
2127                                 break;
2128
2129                         case 63:
2130                                 create_floor(ipc);
2131                                 break;
2132
2133                         case 64:
2134                                 edit_floor(ipc);
2135                                 break;
2136
2137                         case 65:
2138                                 kill_floor(ipc);
2139                                 break;
2140
2141                         case 66:
2142                                 enter_bio(ipc);
2143                                 break;
2144
2145                         case 67:
2146                                 read_bio(ipc);
2147                                 break;
2148
2149                         case 25:
2150                                 edituser(ipc, 25);
2151                                 break;
2152
2153                         case 96:
2154                                 edituser(ipc, 96);
2155                                 break;
2156
2157                         case 8:
2158                                 knrooms(ipc, floor_mode);
2159                                 scr_printf("\n");
2160                                 break;
2161
2162                         case 68:
2163                                 knrooms(ipc, 2);
2164                                 scr_printf("\n");
2165                                 break;
2166
2167                         case 69:
2168                                 misc_server_cmd(ipc, argbuf);
2169                                 break;
2170
2171                         case 70:
2172                                 edit_system_message(ipc, argbuf);
2173                                 break;
2174
2175                         case 19:
2176                                 listzrooms(ipc);
2177                                 scr_printf("\n");
2178                                 break;
2179
2180                         case 51:
2181                                 deletefile(ipc);
2182                                 break;
2183
2184                         case 54:
2185                                 movefile(ipc);
2186                                 break;
2187
2188                         case 56:
2189                                 page_user(ipc);
2190                                 break;
2191
2192             case 110:           /* <+> Next room */
2193                                  gotoroomstep(ipc, 1, 0);
2194                              break;
2195
2196             case 111:           /* <-> Previous room */
2197                  gotoroomstep(ipc, 0, 0);
2198                              break;
2199
2200                         case 112:           /* <>> Next floor */
2201                  gotofloorstep(ipc, 1, GF_GOTO);
2202                              break;
2203
2204                         case 113:           /* <<> Previous floor */
2205                  gotofloorstep(ipc, 0, GF_GOTO);
2206                                  break;
2207
2208             case 116:           /* <.> skip to <+> Next room */
2209                  gotoroomstep(ipc, 1, 1);
2210                              break;
2211
2212             case 117:           /* <.> skip to <-> Previous room */
2213                  gotoroomstep(ipc, 0, 1);
2214                              break;
2215
2216                         case 118:           /* <.> skip to <>> Next floor */
2217                  gotofloorstep(ipc, 1, GF_SKIP);
2218                              break;
2219
2220                         case 119:           /* <.> skip to <<> Previous floor */
2221                  gotofloorstep(ipc, 0, GF_SKIP);
2222                                  break;
2223
2224                         case 114:
2225                  read_config(ipc);
2226                                  break;
2227
2228                         case 115:
2229                  system_info(ipc);
2230                                  break;
2231
2232                         case 120:           /* .KAnonymous */
2233                          dotknown(ipc, 0, NULL);
2234                                  break;
2235
2236                         case 121:           /* .KDirectory */
2237                          dotknown(ipc, 1, NULL);
2238                                  break;
2239
2240                         case 122:           /* .KMatch */
2241                          dotknown(ipc, 2, argbuf);
2242                                  break;
2243
2244                         case 123:           /* .KpreferredOnly */
2245                          dotknown(ipc, 3, NULL);
2246                                  break;
2247
2248                         case 124:           /* .KPrivate */
2249                          dotknown(ipc, 4, NULL);
2250                                  break;
2251
2252                         case 125:           /* .KRead only */
2253                          dotknown(ipc, 5, NULL);
2254                                  break;
2255
2256                         case 126:           /* .KShared */
2257                          dotknown(ipc, 6, NULL);
2258                                  break;
2259
2260                         case 127:           /* Configure POP3 aggregation */
2261                                 do_pop3client_configuration(ipc);
2262                                 break;
2263
2264                         case 128:           /* Configure XML/RSS feed retrieval */
2265                                 do_rssclient_configuration(ipc);
2266                                 break;
2267
2268                         default: /* allow some math on the command */
2269                                 /* commands 100... to 100+MAX_EDITORS-1 will
2270                                    call the appropriate editor... in other
2271                                    words, command numbers 100+ will match
2272                                    the citadel.rc keys editor0, editor1, etc.*/
2273                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
2274                                 {
2275                                         /* entmsg mode >=2 select editor */
2276                                         entmsg(ipc, 0, mcmd - 100 + 2, 0);
2277                                         break;
2278                                 }
2279                         }       /* end switch */
2280         } while (termn8 == 0);
2281
2282 TERMN8: scr_printf("%s logged out.", fullname);
2283         termn8 = 0;
2284         color(ORIGINAL_PAIR);
2285         scr_printf("\n");
2286         while (marchptr != NULL) {
2287                 remove_march(marchptr->march_name, 0);
2288         }
2289         if (mcmd == 30) {
2290                 scr_printf("\n\nType 'off' to disconnect, or next user...\n");
2291         }
2292         CtdlIPCLogout(ipc);
2293         if ((mcmd == 29) || (mcmd == 15)) {
2294                 stty_ctdl(SB_RESTORE);
2295                 formout(ipc, "goodbye");
2296                 logoff(ipc, 0);
2297         }
2298         /* Free the ungoto list */
2299         for (lp = 0; lp < uglistsize; lp++) {
2300                 free(uglist[lp]);
2301         }
2302     uglistsize = 0;
2303         goto GSTA;
2304
2305 }       /* end main() */
2306