textclient/src/citadel.c

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