citadel/citadel.c

   1 /*
   2  * $Id$
   3  *
   4  * Main source module for the client program.
   5  */
   6
   7 #include "sysdep.h"
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10 #include <fcntl.h>
  11 #include <stdio.h>
  12 #include <ctype.h>
  13 #include <string.h>
  14
  15 #if TIME_WITH_SYS_TIME
  16 # include <sys/time.h>
  17 # include <time.h>
  18 #else
  19 # if HAVE_SYS_TIME_H
  20 #  include <sys/time.h>
  21 # else
  22 #  include <time.h>
  23 # endif
  24 #endif
  25
  26 #include <limits.h>
  27 #include <sys/types.h>
  28 #include <sys/wait.h>
  29 #include <sys/stat.h>
  30 #include <sys/ioctl.h>
  31 #include <signal.h>
  32 #include <pwd.h>
  33 #include <setjmp.h>
  34 #include <stdarg.h>
  35
  36 #include "citadel.h"
  37 #include "axdefs.h"
  38 #include "routines.h"
  39 #include "routines2.h"
  40 #include "rooms.h"
  41 #include "messages.h"
  42 #include "commands.h"
  43 #include "ipc.h"
  44 #include "citadel_ipc.h"
  45 #include "client_chat.h"
  46 #include "client_passwords.h"
  47 #include "citadel_decls.h"
  48 #include "tools.h"
  49 #include "acconfig.h"
  50 #include "client_crypto.h"
  51 #ifndef HAVE_SNPRINTF
  52 #include "snprintf.h"
  53 #endif
  54 #include "screen.h"
  55
  56 #include "md5.h"
  57
  58 #define IFEXPERT if (userflags&US_EXPERT)
  59 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  60 #define IFAIDE if (axlevel>=6)
  61 #define IFNAIDE if (axlevel<6)
  62
  63 struct march *march = NULL;
  64
  65 /* globals associated with the client program */
  66 char temp[PATH_MAX];            /* Name of general temp file */
  67 char temp2[PATH_MAX];           /* Name of general temp file */
  68 char tempdir[PATH_MAX];         /* Name of general temp dir */
  69 char editor_path[SIZ];          /* path to external editor */
  70 char printcmd[SIZ];             /* print command */
  71 int editor_pid = (-1);
  72 char fullname[32];
  73 jmp_buf nextbuf;
  74 struct CtdlServInfo serv_info;  /* Info on the server connected */
  75 int screenwidth;
  76 int screenheight;
  77 unsigned room_flags;
  78 char room_name[ROOMNAMELEN];
  79 char *uglist[UGLISTLEN]; /* size of the ungoto list */
  80 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
  81 int uglistsize = 0;
  82 char is_mail = 0;               /* nonzero when we're in a mail room */
  83 char axlevel = 0;               /* access level */
  84 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
  85 int timescalled;
  86 int posted;
  87 unsigned userflags;
  88 long usernum = 0L;              /* user number */
  89 time_t lastcall = 0L;           /* Date/time of previous login */
  90 char newnow;
  91 long highest_msg_read;          /* used for <A>bandon room cmd */
  92 long maxmsgnum;                 /* used for <G>oto */
  93 char sigcaught = 0;
  94 char have_xterm = 0;            /* are we running on an xterm? */
  95 char rc_username[32];
  96 char rc_password[32];
  97 char hostbuf[SIZ];
  98 char portbuf[SIZ];
  99 char rc_floor_mode;
 100 char floor_mode;
 101 char curr_floor = 0;            /* number of current floor */
 102 char floorlist[128][SIZ];       /* names of floors */
 103 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
 104 int secure;                     /* Set to nonzero when wire is encrypted */
 105
 106 extern char express_msgs;       /* express messages waiting! */
 107 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
 108 extern int next_lazy_cmd;
 109
 110 /*
 111  * here is our 'clean up gracefully and exit' routine
 112  */
 113 void logoff(int code)
 114 {
 115     int lp;
 116         if (editor_pid > 0) {   /* kill the editor if it's running */
 117                 kill(editor_pid, SIGHUP);
 118         }
 119
 120     /* Free the ungoto list */
 121     for (lp = 0; lp < uglistsize; lp++)
 122       free (uglist[lp]);
 123
 124 /* shut down the server... but not if the logoff code is 3, because
 125  * that means we're exiting because we already lost the server
 126  */
 127         if (code != 3)
 128                 CtdlIPCQuit();
 129
 130 /*
 131  * now clean up various things
 132  */
 133
 134         screen_delete();
 135
 136         unlink(temp);
 137         unlink(temp2);
 138         nukedir(tempdir);
 139
 140         /* Violently kill off any child processes if Citadel is
 141          * the login shell.
 142          */
 143         if (getppid() == 1) {
 144                 kill(0 - getpgrp(), SIGTERM);
 145                 sleep(1);
 146                 kill(0 - getpgrp(), SIGKILL);
 147         }
 148         sttybbs(SB_RESTORE);    /* return the old terminal settings */
 149         exit(code);             /* exit with the proper exit code */
 150 }
 151
 152
 153
 154 /*
 155  * signal catching function for hangups...
 156  */
 157 void dropcarr(int signum)
 158 {
 159         logoff(SIGHUP);
 160 }
 161
 162
 163
 164 /*
 165  * catch SIGCONT to reset terminal modes when were are put back into the
 166  * foreground.
 167  */
 168 void catch_sigcont(int signum)
 169 {
 170         sttybbs(SB_LAST);
 171         signal(SIGCONT, catch_sigcont);
 172 }
 173
 174
 175
 176 /* general purpose routines */
 177 /* display a file */
 178 void formout(char *name)
 179 {
 180         int r;                  /* IPC return code */
 181         char buf[SIZ];
 182         char *text = NULL;
 183
 184         r = CtdlIPCSystemMessage(name, &text, buf);
 185         if (r / 100 != 1) {
 186                 scr_printf("%s\n", buf);
 187                 return;
 188         }
 189         if (text) {
 190                 fmout(screenwidth, NULL, text, NULL,
 191                       ((userflags & US_PAGINATOR) ? 1 : 0),
 192                       screenheight, 1, 1);
 193                 free(text);
 194         }
 195 }
 196
 197
 198 void userlist(char *patn)
 199 {
 200         char buf[SIZ];
 201         char fl[SIZ];
 202         struct tm *tmbuf;
 203         time_t lc;
 204         int r;                          /* IPC response code */
 205         char *listing = NULL;
 206
 207         r = CtdlIPCUserListing(&listing, buf);
 208         if (r / 100 != 1) {
 209                 pprintf("%s\n", buf);
 210                 return;
 211         }
 212
 213         pprintf("       User Name           Num  L  LastCall  Calls Posts\n");
 214         pprintf("------------------------- ----- - ---------- ----- -----\n");
 215         while (strlen(listing) > 0) {
 216                 extract_token(buf, listing, 0, '\n');
 217                 remove_token(listing, 0, '\n');
 218
 219                 if (sigcaught == 0) {
 220                     extract(fl, buf, 0);
 221                     if (pattern(fl, patn) >= 0) {
 222                         pprintf("%-25s ", fl);
 223                         pprintf("%5ld %d ", extract_long(buf, 2),
 224                                extract_int(buf, 1));
 225                         lc = extract_long(buf, 3);
 226                         tmbuf = (struct tm *) localtime(&lc);
 227                         pprintf("%02d/%02d/%04d ",
 228                                (tmbuf->tm_mon + 1),
 229                                tmbuf->tm_mday,
 230                                (tmbuf->tm_year + 1900));
 231                         pprintf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
 232                     }
 233
 234                 }
 235         }
 236         free(listing);
 237         pprintf("\n");
 238 }
 239
 240
 241 /*
 242  * grab assorted info about the user...
 243  */
 244 void load_user_info(char *params)
 245 {
 246         extract(fullname, params, 0);
 247         axlevel = extract_int(params, 1);
 248         timescalled = extract_int(params, 2);
 249         posted = extract_int(params, 3);
 250         userflags = extract_int(params, 4);
 251         usernum = extract_long(params, 5);
 252         lastcall = extract_long(params, 6);
 253 }
 254
 255
 256 /*
 257  * Remove a room from the march list.  'floornum' is ignored unless
 258  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 259  * floor will be removed from the march list.
 260  */
 261 void remove_march(char *roomname, int floornum)
 262 {
 263         struct march *mptr, *mptr2;
 264
 265         if (march == NULL)
 266                 return;
 267
 268         if ((!strcasecmp(march->march_name, roomname))
 269             || ((!strcasecmp(roomname, "_FLOOR_")) && (march->march_floor == floornum))) {
 270                 mptr = march->next;
 271                 free(march);
 272                 march = mptr;
 273                 return;
 274         }
 275         mptr2 = march;
 276         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 277
 278                 if ((!strcasecmp(mptr->march_name, roomname))
 279                     || ((!strcasecmp(roomname, "_FLOOR_"))
 280                         && (mptr->march_floor == floornum))) {
 281
 282                         mptr2->next = mptr->next;
 283                         free(mptr);
 284                         mptr = mptr2;
 285                 } else {
 286                         mptr2 = mptr;
 287                 }
 288         }
 289 }
 290
 291
 292 /*
 293  * Locate the room on the march list which we most want to go to.  Each room
 294  * is measured given a "weight" of preference based on various factors.
 295  */
 296 char *pop_march(int desired_floor)
 297 {
 298         static char TheRoom[ROOMNAMELEN];
 299         int TheFloor = 0;
 300         int TheOrder = 32767;
 301         int TheWeight = 0;
 302         int weight;
 303         struct march *mptr = NULL;
 304
 305         strcpy(TheRoom, "_BASEROOM_");
 306         if (march == NULL)
 307                 return (TheRoom);
 308
 309         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 310                 weight = 0;
 311                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 312                         weight = weight + 10000;
 313                 if (mptr->march_floor == desired_floor)
 314                         weight = weight + 5000;
 315
 316                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 317                 weight = weight + (128 - (mptr->march_order));
 318
 319                 if (weight > TheWeight) {
 320                         TheWeight = weight;
 321                         strcpy(TheRoom, mptr->march_name);
 322                         TheFloor = mptr->march_floor;
 323                         TheOrder = mptr->march_order;
 324                 }
 325         }
 326         return (TheRoom);
 327 }
 328
 329
 330 /*
 331  * jump directly to a room
 332  */
 333 void dotgoto(char *towhere, int display_name, int fromungoto)
 334 {
 335         char aaa[SIZ], bbb[SIZ], psearch[SIZ];
 336         static long ls = 0L;
 337         int newmailcount = 0;
 338         static int oldmailcount = (-1);
 339         int partial_match, best_match;
 340         char from_floor;
 341         int ugpos = uglistsize;
 342         int r;                          /* IPC result code */
 343         struct ctdlipcroom *roomrec = NULL;
 344
 345         /* store ungoto information */
 346         if (fromungoto == 0) {
 347                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
 348                 if (uglistsize >= (UGLISTLEN-1)) {
 349                         int lp;
 350                         free (uglist[0]);
 351                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
 352                                 uglist[lp] = uglist[lp+1];
 353                                 uglistlsn[lp] = uglistlsn[lp+1];
 354                         }
 355                         ugpos--;
 356                 } else
 357                         uglistsize++;
 358
 359                 uglist[ugpos] = malloc(strlen(room_name)+1);
 360                 strcpy(uglist[ugpos], room_name);
 361                 uglistlsn[ugpos] = ls;
 362         }
 363
 364         /* first try an exact match */
 365         r = CtdlIPCGotoRoom(towhere, "", &roomrec, aaa);
 366         if (r / 10 == 54) {
 367                 newprompt("Enter room password: ", bbb, 9);
 368                 r = CtdlIPCGotoRoom(towhere, bbb, &roomrec, aaa);
 369                 if (r / 10 == 54) {
 370                         scr_printf("Wrong password.\n");
 371                         return;
 372                 }
 373         }
 374
 375         /*
 376          * If a match is not found, try a partial match.
 377          * Partial matches anywhere in the string carry a weight of 1,
 378          * left-aligned matches carry a weight of 2.  Pick the room that
 379          * has the highest-weighted match.
 380          */
 381         if (r / 100 != 2) {
 382                 best_match = 0;
 383                 strcpy(bbb, "");
 384                 serv_puts("LKRA");
 385                 serv_gets(aaa);
 386                 if (aaa[0] == '1')
 387                         while (serv_gets(aaa), strcmp(aaa, "000")) {
 388                                 extract(psearch, aaa, 0);
 389                                 partial_match = 0;
 390                                 if (pattern(psearch, towhere) >= 0) {
 391                                         partial_match = 1;
 392                                 }
 393                                 if (!strncasecmp(towhere, psearch, strlen(towhere))) {
 394                                         partial_match = 2;
 395                                 }
 396                                 if (partial_match > best_match) {
 397                                         strcpy(bbb, psearch);
 398                                         best_match = partial_match;
 399                                 }
 400                         }
 401                 if (strlen(bbb) == 0) {
 402                         scr_printf("No room '%s'.\n", towhere);
 403                         return;
 404                 }
 405                 roomrec = NULL;
 406                 r = CtdlIPCGotoRoom(bbb, "", &roomrec, aaa);
 407         }
 408         if (r / 100 != 2) {
 409                 scr_printf("%s\n", aaa);
 410                 return;
 411         }
 412         safestrncpy(room_name, roomrec->RRname, ROOMNAMELEN);
 413         room_flags = roomrec->RRflags;
 414         from_floor = curr_floor;
 415         curr_floor = roomrec->RRfloor;
 416
 417         remove_march(room_name, 0);
 418         if (!strcasecmp(towhere, "_BASEROOM_"))
 419                 remove_march(towhere, 0);
 420         if (!roomrec->RRunread)
 421                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
 422         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 423                 if (floorlist[(int) curr_floor][0] == 0)
 424                         load_floorlist();
 425                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 426         }
 427         if (display_name == 1) {
 428                 color(BRIGHT_WHITE);
 429                 scr_printf("%s ", room_name);
 430                 color(DIM_WHITE);
 431                 scr_printf("- ");
 432         }
 433         if (display_name != 2) {
 434                 color(BRIGHT_YELLOW);
 435                 scr_printf("%d ", roomrec->RRunread);
 436                 color(DIM_WHITE);
 437                 scr_printf("new of ");
 438                 color(BRIGHT_YELLOW);
 439                 scr_printf("%d ", roomrec->RRtotal);
 440                 color(DIM_WHITE);
 441                 scr_printf("messages.\n");
 442         }
 443         highest_msg_read = roomrec->RRlastread;
 444         maxmsgnum = roomrec->RRhighest;
 445         is_mail = roomrec->RRismailbox;
 446         is_room_aide = roomrec->RRaide;
 447         ls = roomrec->RRlastread;
 448
 449         /* read info file if necessary */
 450         if (roomrec->RRinfoupdated > 0)
 451                 readinfo();
 452
 453         /* check for newly arrived mail if we can */
 454         newmailcount = roomrec->RRnewmail;
 455         if (newmailcount > 0) {
 456                 color(BRIGHT_RED);
 457                 scr_printf("*** You have %d new mail message%s\n",
 458                                 newmailcount - oldmailcount,
 459                                 (newmailcount - oldmailcount == 1) ?
 460                                 "" : "s");
 461                 color(DIM_WHITE);
 462         }
 463         status_line(serv_info.serv_humannode, serv_info.serv_bbs_city,
 464                         room_name, secure, newmailcount);
 465 }
 466
 467 /* Goto next room having unread messages.
 468  * We want to skip over rooms that the user has already been to, and take the
 469  * user back to the lobby when done.  The room we end up in is placed in
 470  * newroom - which is set to 0 (the lobby) initially.
 471  */
 472 void gotonext(void)
 473 {
 474         char buf[SIZ];
 475         struct march *mptr, *mptr2;
 476         char next_room[ROOMNAMELEN];
 477         int r;                          /* IPC response code */
 478
 479         /* Check to see if the march-mode list is already allocated.
 480          * If it is, pop the first room off the list and go there.
 481          */
 482         if (march == NULL) {
 483                 r = CtdlIPCKnownRooms(1, -1, &march, buf);
 484 /* add _BASEROOM_ to the end of the march list, so the user will end up
 485  * in the system base room (usually the Lobby>) at the end of the loop
 486  */
 487                 mptr = (struct march *) malloc(sizeof(struct march));
 488                 mptr->next = NULL;
 489                 strcpy(mptr->march_name, "_BASEROOM_");
 490                 if (march == NULL) {
 491                         march = mptr;
 492                 } else {
 493                         mptr2 = march;
 494                         while (mptr2->next != NULL)
 495                                 mptr2 = mptr2->next;
 496                         mptr2->next = mptr;
 497                 }
 498 /*
 499  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 500  * walk around in circles
 501  */
 502                 remove_march(room_name, 0);
 503         }
 504         if (march != NULL) {
 505                 strcpy(next_room, pop_march(curr_floor));
 506         } else {
 507                 strcpy(next_room, "_BASEROOM_");
 508         }
 509         remove_march(next_room, 0);
 510         dotgoto(next_room, 1, 0);
 511 }
 512
 513 /*
 514  * forget all rooms on a given floor
 515  */
 516 void forget_all_rooms_on(int ffloor)
 517 {
 518         char buf[SIZ];
 519         struct march *flist, *fptr;
 520         struct ctdlipcroom *roomrec;    /* Ignored */
 521         int r;                          /* IPC response code */
 522
 523         scr_printf("Forgetting all rooms on %s...\r", &floorlist[ffloor][0]);
 524         scr_flush();
 525         snprintf(buf, sizeof buf, "LKRA %d", ffloor);
 526         serv_puts(buf);
 527         serv_gets(buf);
 528         if (buf[0] != '1') {
 529                 scr_printf("%-72s\n", &buf[4]);
 530                 return;
 531         }
 532         flist = NULL;
 533         while (serv_gets(buf), strcmp(buf, "000")) {
 534                 fptr = (struct march *) malloc(sizeof(struct march));
 535                 fptr->next = flist;
 536                 flist = fptr;
 537                 extract(fptr->march_name, buf, 0);
 538         }
 539         while (flist != NULL) {
 540                 r = CtdlIPCGotoRoom(flist->march_name, "", &roomrec, buf);
 541                 if (r / 100 == 2) {
 542                         r = CtdlIPCForgetRoom(buf);
 543                 }
 544                 fptr = flist;
 545                 flist = flist->next;
 546                 free(fptr);
 547         }
 548         scr_printf("%-72s\r", "");
 549 }
 550
 551
 552 /*
 553  * routine called by gotofloor() to move to a new room on a new floor
 554  */
 555 void gf_toroom(char *towhere, int mode)
 556 {
 557         int floor_being_left;
 558
 559         floor_being_left = curr_floor;
 560
 561         if (mode == GF_GOTO) {  /* <;G>oto mode */
 562                 updatels();
 563                 dotgoto(towhere, 1, 0);
 564         }
 565         if (mode == GF_SKIP) {  /* <;S>kip mode */
 566                 dotgoto(towhere, 1, 0);
 567                 remove_march("_FLOOR_", floor_being_left);
 568         }
 569         if (mode == GF_ZAP) {   /* <;Z>ap mode */
 570                 dotgoto(towhere, 1, 0);
 571                 remove_march("_FLOOR_", floor_being_left);
 572                 forget_all_rooms_on(floor_being_left);
 573         }
 574 }
 575
 576
 577 /*
 578  * go to a new floor
 579  */
 580 void gotofloor(char *towhere, int mode)
 581 {
 582         int a, tofloor;
 583         struct march *mptr;
 584         char buf[SIZ], targ[SIZ];
 585
 586         if (floorlist[0][0] == 0)
 587                 load_floorlist();
 588         tofloor = (-1);
 589         for (a = 0; a < 128; ++a)
 590                 if (!strcasecmp(&floorlist[a][0], towhere))
 591                         tofloor = a;
 592
 593         if (tofloor < 0) {
 594                 for (a = 0; a < 128; ++a) {
 595                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 596                                 tofloor = a;
 597                         }
 598                 }
 599         }
 600         if (tofloor < 0) {
 601                 for (a = 0; a < 128; ++a)
 602                         if (pattern(towhere, &floorlist[a][0]) > 0)
 603                                 tofloor = a;
 604         }
 605         if (tofloor < 0) {
 606                 scr_printf("No floor '%s'.\n", towhere);
 607                 return;
 608         }
 609         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 610                 if ((mptr->march_floor) == tofloor)
 611                         gf_toroom(mptr->march_name, mode);
 612                 return;
 613         }
 614
 615         strcpy(targ, "");
 616         snprintf(buf, sizeof buf, "LKRA %d", tofloor);
 617         serv_puts(buf);
 618         serv_gets(buf);
 619         if (buf[0] == '1')
 620                 while (serv_gets(buf), strcmp(buf, "000")) {
 621                         if ((extract_int(buf, 2) == tofloor) && (strlen(targ) == 0))
 622                                 extract(targ, buf, 0);
 623                 }
 624         if (strlen(targ) > 0) {
 625                 gf_toroom(targ, mode);
 626         } else {
 627                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 628         }
 629 }
 630
 631
 632 /*
 633  * forget all rooms on current floor
 634  */
 635 void forget_this_floor(void)
 636 {
 637
 638         if (curr_floor == 0) {
 639                 scr_printf("Can't forget this floor.\n");
 640                 return;
 641         }
 642         if (floorlist[0][0] == 0)
 643                 load_floorlist();
 644         scr_printf("Are you sure you want to forget all rooms on %s? ",
 645                &floorlist[(int) curr_floor][0]);
 646         if (yesno() == 0)
 647                 return;
 648
 649         gf_toroom("_BASEROOM_", GF_ZAP);
 650 }
 651
 652
 653 /*
 654  * Figure out the physical screen dimensions, if we can
 655  * WARNING:  this is now called from a signal handler!
 656  */
 657 void check_screen_dims(void)
 658 {
 659 #ifdef TIOCGWINSZ
 660         struct {
 661                 unsigned short height;  /* rows */
 662                 unsigned short width;   /* columns */
 663                 unsigned short xpixels;
 664                 unsigned short ypixels;         /* pixels */
 665         } xwinsz;
 666
 667         if (have_xterm) {       /* dynamically size screen if on an xterm */
 668                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
 669                         if (xwinsz.height)
 670                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
 671                         if (xwinsz.width)
 672                                 screenwidth = (int) xwinsz.width;
 673                 }
 674         }
 675 #endif
 676 }
 677
 678
 679 /*
 680  * set floor mode depending on client, server, and user settings
 681  */
 682 void set_floor_mode(void)
 683 {
 684         if (serv_info.serv_ok_floors == 0) {
 685                 floor_mode = 0; /* Don't use floors if the server */
 686         }
 687         /* doesn't support them!          */
 688         else {
 689                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 690                         floor_mode = 0;
 691                 }
 692                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 693                         floor_mode = 1;
 694                 }
 695                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 696                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 697                 }
 698         }
 699 }
 700
 701 /*
 702  * Set or change the user's password
 703  */
 704 int set_password(void)
 705 {
 706         char pass1[20];
 707         char pass2[20];
 708         char buf[SIZ];
 709
 710         if (strlen(rc_password) > 0) {
 711                 strcpy(pass1, rc_password);
 712                 strcpy(pass2, rc_password);
 713         } else {
 714                 IFNEXPERT formout("changepw");
 715                 newprompt("Enter a new password: ", pass1, -19);
 716                 newprompt("Enter it again to confirm: ", pass2, -19);
 717         }
 718         strproc(pass1);
 719         strproc(pass2);
 720         if (!strcasecmp(pass1, pass2)) {
 721                 CtdlIPCChangePassword(pass1, buf);
 722                 scr_printf("%s\n", buf);
 723                 offer_to_remember_password(hostbuf, portbuf, fullname, pass1);
 724                 return (0);
 725         } else {
 726                 scr_printf("*** They don't match... try again.\n");
 727                 return (1);
 728         }
 729 }
 730
 731
 732
 733 /*
 734  * get info about the server we've connected to
 735  */
 736 void get_serv_info(char *supplied_hostname)
 737 {
 738         char buf[SIZ];
 739
 740         CtdlIPCServerInfo(&serv_info, buf);
 741
 742         /* be nice and identify ourself to the server */
 743         CtdlIPCIdentifySoftware(SERVER_TYPE, 0, REV_LEVEL,
 744                  (server_is_local ? "local" : CITADEL),
 745                  (supplied_hostname) ? supplied_hostname : "", buf);
 746                  /* (locate_host(buf), buf)); */
 747 }
 748
 749
 750
 751
 752
 753 /*
 754  * Display list of users currently logged on to the server
 755  */
 756 void who_is_online(int longlist)
 757 {
 758         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
 759         char flags[SIZ];
 760         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
 761         char tbuf[SIZ], clientsoft[SIZ];
 762         time_t timenow = 0;
 763         time_t idletime, idlehours, idlemins, idlesecs;
 764         int last_session = (-1);
 765         int skipidle = 0;
 766         char *listing = NULL;
 767         int r;                          /* IPC response code */
 768
 769         if (longlist == 2) {
 770                 longlist = 0;
 771                 skipidle = 1;
 772         }
 773
 774         if (!longlist) {
 775                 color(BRIGHT_WHITE);
 776                 pprintf("FLG ###        User Name                 Room                 From host\n");
 777                 color(DIM_WHITE);
 778                 pprintf("--- --- ------------------------- -------------------- ------------------------\n");
 779         }
 780         r = CtdlIPCOnlineUsers(&listing, &timenow, buf);
 781         if (r / 100 == 1) {
 782                 while (strlen(listing) > 0) {
 783                         int isidle = 0;
 784
 785                         /* Get another line */
 786                         extract_token(buf, listing, 0, '\n');
 787                         remove_token(listing, 0, '\n');
 788
 789                         extract(username, buf, 1);
 790                         extract(roomname, buf, 2);
 791                         extract(fromhost, buf, 3);
 792                         extract(clientsoft, buf, 4);
 793                         extract(flags, buf, 7);
 794
 795                         idletime = timenow - extract_long(buf, 5);
 796                         idlehours = idletime / 3600;
 797                         idlemins = (idletime - (idlehours * 3600)) / 60;
 798                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
 799
 800                         if (idletime > rc_idle_threshold) {
 801                                 while (strlen(roomname) < 20) {
 802                                         strcat(roomname, " ");
 803                                 }
 804                                 strcpy(&roomname[14], "[idle]");
 805                                 if (skipidle)
 806                                         isidle = 1;
 807                         }
 808
 809                         if (longlist) {
 810                                 extract(actual_user, buf, 8);
 811                                 extract(actual_room, buf, 9);
 812                                 extract(actual_host, buf, 10);
 813
 814                                 pprintf("  Flags: %s\n", flags);
 815                                 pprintf("Session: %d\n", extract_int(buf, 0));
 816                                 pprintf("   Name: %s\n", username);
 817                                 pprintf("In room: %s\n", roomname);
 818                                 pprintf("   Host: %s\n", fromhost);
 819                                 pprintf(" Client: %s\n", clientsoft);
 820                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
 821                                         (long) idlehours,
 822                                         (long) idlemins,
 823                                         (long) idlesecs);
 824
 825                                 if ( (strlen(actual_user)+strlen(actual_room)+strlen(actual_host)) > 0) {
 826                                         pprintf("(really ");
 827                                         if (strlen(actual_user)>0) pprintf("<%s> ", actual_user);
 828                                         if (strlen(actual_room)>0) pprintf("in <%s> ", actual_room);
 829                                         if (strlen(actual_host)>0) pprintf("from <%s> ", actual_host);
 830                                         pprintf(")\n");
 831                                 }
 832                                 pprintf("\n");
 833
 834                         } else {
 835                     if (isidle == 0) {
 836                                 if (extract_int(buf, 0) == last_session) {
 837                                         pprintf("        ");
 838                                 } else {
 839                                         color(BRIGHT_MAGENTA);
 840                                         pprintf("%-3s ", flags);
 841                                         color(DIM_WHITE);
 842                                         pprintf("%-3d ", extract_int(buf, 0));
 843                                 }
 844                                 last_session = extract_int(buf, 0);
 845                                 color(BRIGHT_CYAN);
 846                                 pprintf("%-25s ", username);
 847                                 color(BRIGHT_MAGENTA);
 848                                 roomname[20] = 0;
 849                                 pprintf("%-20s ", roomname);
 850                                 color(BRIGHT_CYAN);
 851                                 fromhost[24] = '\0';
 852                                 pprintf("%-24s\n", fromhost);
 853                                 color(DIM_WHITE);
 854                         }
 855                         }
 856                 }
 857         }
 858         free(listing);
 859 }
 860
 861 void enternew(char *desc, char *buf, int maxlen)
 862 {
 863         char bbb[128];
 864         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 865         newprompt(bbb, buf, maxlen);
 866 }
 867
 868
 869
 870 int shift(int argc, char **argv, int start, int count) {
 871         int i;
 872
 873         for (i=start; i<(argc-count); ++i) {
 874                 argv[i] = argv[i+count];
 875         }
 876         argc = argc - count;
 877         return argc;
 878 }
 879
 880 static void statusHook(char *s) {
 881         sln_printf(s);
 882         sln_flush();
 883 }
 884
 885 /*
 886  * main
 887  */
 888 int main(int argc, char **argv)
 889 {
 890         int a, b, mcmd;
 891         char aaa[100], bbb[100];/* general purpose variables */
 892         char argbuf[32];        /* command line buf */
 893         char nonce[NONCE_SIZE];
 894         char *telnet_client_host = NULL;
 895         char *sptr, *sptr2;     /* USed to extract the nonce */
 896         char hexstring[MD5_HEXSTRING_SIZE];
 897         int stored_password = 0;
 898         char password[SIZ];
 899         struct ctdlipcmisc chek;
 900         struct usersupp *myself = NULL;
 901         int r;                          /* IPC result code */
 902
 903         setIPCDeathHook(screen_delete);
 904         setIPCErrorPrintf(err_printf);
 905         setCryptoStatusHook(statusHook);
 906
 907         /* Permissions sanity check - don't run citadel setuid/setgid */
 908         if (getuid() != geteuid()) {
 909                 err_printf("Please do not run citadel setuid!\n");
 910                 logoff(3);
 911         } else if (getgid() != getegid()) {
 912                 err_printf("Please do not run citadel setgid!\n");
 913                 logoff(3);
 914         }
 915
 916         sttybbs(SB_SAVE);       /* Store the old terminal parameters */
 917         load_command_set();     /* parse the citadel.rc file */
 918         sttybbs(SB_NO_INTR);    /* Install the new ones */
 919         signal(SIGHUP, dropcarr);       /* Cleanup gracefully if carrier is dropped */
 920         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
 921         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
 922 #ifdef SIGWINCH
 923         signal(SIGWINCH, scr_winch);    /* Window resize signal */
 924 #endif
 925
 926 #ifdef HAVE_OPENSSL
 927         arg_encrypt = RC_DEFAULT;
 928 #endif
 929 #ifdef HAVE_CURSES_H
 930         arg_screen = RC_DEFAULT;
 931 #endif
 932
 933         /*
 934          * Handle command line options as if we were called like /bin/login
 935          * (i.e. from in.telnetd)
 936          */
 937         for (a=0; a<argc; ++a) {
 938                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
 939                         telnet_client_host = argv[a+1];
 940                         argc = shift(argc, argv, a, 2);
 941                 }
 942                 if (!strcmp(argv[a], "-x")) {
 943 #ifdef HAVE_OPENSSL
 944                         arg_encrypt = RC_NO;
 945 #endif
 946                         argc = shift(argc, argv, a, 1);
 947                 }
 948                 if (!strcmp(argv[a], "-X")) {
 949 #ifdef HAVE_OPENSSL
 950                         arg_encrypt = RC_YES;
 951                         argc = shift(argc, argv, a, 1);
 952 #else
 953                         fprintf(stderr, "Not compiled with encryption support");
 954                         return 1;
 955 #endif
 956                 }
 957                 if (!strcmp(argv[a], "-s")) {
 958 #ifdef HAVE_CURSES_H
 959                         arg_screen = RC_NO;
 960 #endif
 961                         argc = shift(argc, argv, a, 1);
 962                 }
 963                 if (!strcmp(argv[a], "-S")) {
 964 #ifdef HAVE_CURSES_H
 965                         arg_screen = RC_YES;
 966 #endif
 967                         argc = shift(argc, argv, a, 1);
 968                 }
 969                 if (!strcmp(argv[a], "-p")) {
 970                         struct stat st;
 971
 972                         if (chdir(BBSDIR) < 0) {
 973                                 perror("can't change to " BBSDIR);
 974                                 logoff(3);
 975                         }
 976
 977                         /*
 978                          * Drop privileges if necessary. We stat
 979                          * citadel.config to get the uid/gid since it's
 980                          * guaranteed to have the uid/gid we want.
 981                          */
 982                         if (!getuid() || !getgid()) {
 983                                 if (stat(BBSDIR "/citadel.config", &st) < 0) {
 984                                         perror("couldn't stat citadel.config");
 985                                         logoff(3);
 986                                 }
 987                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
 988                                         perror("couldn't change gid");
 989                                         logoff(3);
 990                                 }
 991                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
 992                                         perror("couldn't change uid");
 993                                         logoff(3);
 994                                 }
 995                                 /*
 996                                 scr_printf("Privileges changed to uid %d gid %d\n",
 997                                                 getuid(), getgid());
 998                                 */
 999                         }
1000                         argc = shift(argc, argv, a, 1);
1001                 }
1002         }
1003
1004         screen_new();
1005
1006         sln_printf("Attaching to server... \r");
1007         sln_flush();
1008         attach_to_server(argc, argv, hostbuf, portbuf);
1009
1010         serv_gets(aaa);
1011         if (aaa[0] != '2') {
1012                 scr_printf("%s\n", &aaa[4]);
1013                 logoff(atoi(aaa));
1014         }
1015
1016 /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1017  * is zeroized.
1018  */
1019
1020         if ((sptr = strchr(aaa, '<')) == NULL)
1021         {
1022            nonce[0] = '\0';
1023         }
1024         else
1025         {
1026            if ((sptr2 = strchr(sptr, '>')) == NULL)
1027            {
1028               nonce[0] = '\0';
1029            }
1030            else
1031            {
1032               sptr2++;
1033               *sptr2 = '\0';
1034               strncpy(nonce, sptr, NONCE_SIZE);
1035            }
1036         }
1037
1038         get_serv_info(telnet_client_host);
1039
1040         scr_printf("%-24s\n%s\n%s\n", serv_info.serv_software, serv_info.serv_humannode,
1041                 serv_info.serv_bbs_city);
1042         scr_flush();
1043
1044         secure = starttls();
1045         status_line(serv_info.serv_humannode, serv_info.serv_bbs_city, NULL,
1046                         secure, -1);
1047
1048         screenwidth = 80;       /* default screen dimensions */
1049         screenheight = 24;
1050
1051         scr_printf(" pause    next    stop\n");
1052         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1053         formout("hello");       /* print the opening greeting */
1054         scr_printf("\n");
1055
1056 GSTA:   /* See if we have a username and password on disk */
1057         if (rc_remember_passwords) {
1058                 get_stored_password(hostbuf, portbuf, fullname, password);
1059                 if (strlen(fullname) > 0) {
1060                         snprintf(aaa, sizeof(aaa)-1, "USER %s", fullname);
1061                         serv_puts(aaa);
1062                         serv_gets(aaa);
1063                         if (nonce[0])
1064                         {
1065                                 snprintf(aaa, sizeof aaa, "PAS2 %s", make_apop_string(password, nonce, hexstring, sizeof hexstring));
1066                         }
1067                         else    /* Else no APOP */
1068                         {
1069                                 snprintf(aaa, sizeof(aaa)-1, "PASS %s", password);
1070                         }
1071
1072                         serv_puts(aaa);
1073                         serv_gets(aaa);
1074                         if (aaa[0] == '2') {
1075                                 load_user_info(&aaa[4]);
1076                                 stored_password = 1;
1077                                 goto PWOK;
1078                         }
1079                         else {
1080                                 set_stored_password(hostbuf, portbuf, "", "");
1081                         }
1082                 }
1083         }
1084
1085         termn8 = 0;
1086         newnow = 0;
1087         do {
1088                 if (strlen(rc_username) > 0) {
1089                         strcpy(fullname, rc_username);
1090                 } else {
1091                         newprompt("Enter your name: ", fullname, 29);
1092                 }
1093                 strproc(fullname);
1094                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1095                         scr_printf("Please enter the name you wish to log in with.\n");
1096                 }
1097         } while (
1098                         (!strcasecmp(fullname, "bbs"))
1099                         || (!strcasecmp(fullname, "new"))
1100                         || (strlen(fullname) == 0));
1101
1102         if (!strcasecmp(fullname, "off")) {
1103                 mcmd = 29;
1104                 goto TERMN8;
1105         }
1106         /* sign on to the server */
1107         r = CtdlIPCTryLogin(fullname, aaa);
1108         if (r / 100 != 3)
1109                 goto NEWUSR;
1110
1111         /* password authentication */
1112         if (strlen(rc_password) > 0) {
1113                 strcpy(password, rc_password);
1114         } else {
1115                 newprompt("\rPlease enter your password: ", password, -19);
1116         }
1117         strproc(password);
1118
1119         if (nonce[0])
1120         {
1121                 snprintf(aaa, sizeof aaa, "PAS2 %s", make_apop_string(password, nonce, hexstring, sizeof hexstring));
1122         }
1123         else    /* Else no APOP */
1124         {
1125                 snprintf(aaa, sizeof aaa, "PASS %s", password);
1126         }
1127
1128         serv_puts(aaa);
1129         serv_gets(aaa);
1130         if (aaa[0] == '2') {
1131                 load_user_info(&aaa[4]);
1132                 offer_to_remember_password(hostbuf, portbuf,
1133                                         fullname, password);
1134                 goto PWOK;
1135         }
1136         scr_printf("<< wrong password >>\n");
1137         if (strlen(rc_password) > 0)
1138                 logoff(0);
1139         goto GSTA;
1140
1141 NEWUSR: if (strlen(rc_password) == 0) {
1142                 scr_printf("No record. Enter as new user? ");
1143                 if (yesno() == 0)
1144                         goto GSTA;
1145         }
1146         snprintf(aaa, sizeof aaa, "NEWU %s", fullname);
1147         serv_puts(aaa);
1148         serv_gets(aaa);
1149         if (aaa[0] != '2') {
1150                 scr_printf("%s\n", aaa);
1151                 goto GSTA;
1152         }
1153         load_user_info(&aaa[4]);
1154
1155         while (set_password() != 0);;
1156         newnow = 1;
1157
1158         enter_config(1);
1159
1160 PWOK:
1161         /* Switch color support on or off if we're in user mode */
1162         if (rc_ansi_color == 3) {
1163                 if (userflags & US_COLOR)
1164                         enable_color = 1;
1165                 else
1166                         enable_color = 0;
1167         }
1168
1169         scr_printf("%s\nAccess level: %d (%s)\n"
1170                 "User #%ld / Login #%d",
1171                 fullname, axlevel, axdefs[(int) axlevel],
1172                 usernum, timescalled);
1173         if (lastcall > 0L) {
1174                 scr_printf(" / Last login: %s\n",
1175                         asctime(localtime(&lastcall)) );
1176         }
1177         scr_printf("\n");
1178
1179         r = CtdlIPCMiscCheck(&chek, aaa);
1180         if (r / 100 == 2) {
1181                 b = chek.newmail;
1182                 if (b > 0) {
1183                         color(BRIGHT_RED);
1184                         if (b == 1)
1185                                 scr_printf("*** You have a new private message in Mail>\n");
1186                         if (b > 1)
1187                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1188                         color(DIM_WHITE);
1189                 }
1190                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1191                         scr_printf("*** Users need validation\n");
1192                 }
1193                 if (chek.needregis > 0) {
1194                         scr_printf("*** Please register.\n");
1195                         formout("register");
1196                         entregis();
1197                 }
1198         }
1199         /* Make up some temporary filenames for use in various parts of the
1200          * program.  Don't mess with these once they've been set, because we
1201          * will be unlinking them later on in the program and we don't
1202          * want to delete something that we didn't create. */
1203         snprintf(temp, sizeof temp, tmpnam(NULL));
1204         snprintf(temp2, sizeof temp2, tmpnam(NULL));
1205         snprintf(tempdir, sizeof tempdir, tmpnam(NULL));
1206
1207         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1208          * we try to get the user's actual screen dimensions off the server.
1209          * However, if we're running on an xterm, all this stuff is
1210          * irrelevant because we're going to dynamically size the screen
1211          * during the session.
1212          */
1213         screenwidth = 80;
1214         screenheight = 24;
1215         r = CtdlIPCGetConfig(&myself, aaa);
1216         if (r == 2) {
1217                 screenwidth = myself->USscreenwidth;
1218                 screenheight = myself->USscreenheight;
1219         }
1220         if (getenv("TERM") != NULL)
1221                 if (!strcmp(getenv("TERM"), "xterm")) {
1222                         have_xterm = 1;
1223                 }
1224 #ifdef TIOCGWINSZ
1225         check_screen_dims();
1226 #endif
1227
1228         set_floor_mode();
1229
1230
1231         /* Enter the lobby */
1232         dotgoto("_BASEROOM_", 1, 0);
1233
1234 /* Main loop for the system... user is logged in. */
1235     uglistsize = 0;
1236
1237         if (newnow == 1)
1238                 readmsgs(3, 1, 5);
1239         else
1240                 readmsgs(1, 1, 0);
1241
1242         /* MAIN COMMAND LOOP */
1243         do {
1244                 mcmd = getcmd(argbuf);          /* Get keyboard command */
1245
1246 #ifdef TIOCGWINSZ
1247                 check_screen_dims();            /* if xterm, get screen size */
1248 #endif
1249
1250                 if (termn8 == 0)
1251                         switch (mcmd) {
1252                         case 1:
1253                                 formout("help");
1254                                 break;
1255                         case 4:
1256                                 entmsg(0, 0);
1257                                 break;
1258                         case 36:
1259                                 entmsg(0, 1);
1260                                 break;
1261                         case 46:
1262                                 entmsg(0, 2);
1263                                 break;
1264                         case 78:
1265                                 newprompt("What do you want your username to be? ", aaa, 32);
1266                                 snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1267                                 serv_puts(bbb);
1268                                 serv_gets(aaa);
1269                                 if (strncmp("200", aaa, 3))
1270                                         scr_printf("\n%s\n", aaa);
1271                                 else
1272                                         entmsg(0, 0);
1273                                 break;
1274                         case 5:
1275                                 updatels();
1276                                 gotonext();
1277                                 break;
1278                         case 47:
1279                                 if (!rc_alt_semantics)
1280                                         updatelsa();
1281                                 gotonext();
1282                                 break;
1283                         case 90:
1284                                 if (!rc_alt_semantics)
1285                                         updatelsa();
1286                                 dotgoto(argbuf, 0, 0);
1287                                 break;
1288                         case 58:
1289                                 updatelsa();
1290                                 dotgoto("_MAIL_", 1, 0);
1291                                 break;
1292                         case 20:
1293                                 updatels();
1294                                 dotgoto(argbuf, 0, 0);
1295                                 break;
1296                         case 52:
1297                                 if (rc_alt_semantics)
1298                                         updatelsa();
1299                                 dotgoto(argbuf, 0, 0);
1300                                 break;
1301                         case 10:
1302                                 readmsgs(0, 1, 0);
1303                                 break;
1304                         case 9:
1305                                 readmsgs(3, 1, 5);
1306                                 break;
1307                         case 13:
1308                                 readmsgs(1, 1, 0);
1309                                 break;
1310                         case 11:
1311                                 readmsgs(0, (-1), 0);
1312                                 break;
1313                         case 12:
1314                                 readmsgs(2, (-1), 0);
1315                                 break;
1316                         case 71:
1317                                 readmsgs(3, 1, atoi(argbuf));
1318                                 break;
1319                         case 7:
1320                                 forget();
1321                                 break;
1322                         case 18:
1323                                 subshell();
1324                                 break;
1325                         case 38:
1326                                 updatels();
1327                                 entroom();
1328                                 break;
1329                         case 22:
1330                                 killroom();
1331                                 break;
1332                         case 32:
1333                                 userlist(argbuf);
1334                                 break;
1335                         case 27:
1336                                 invite();
1337                                 break;
1338                         case 28:
1339                                 kickout();
1340                                 break;
1341                         case 23:
1342                                 editthisroom();
1343                                 break;
1344                         case 14:
1345                                 roomdir();
1346                                 break;
1347                         case 33:
1348                                 download(0);
1349                                 break;
1350                         case 34:
1351                                 download(1);
1352                                 break;
1353                         case 31:
1354                                 download(2);
1355                                 break;
1356                         case 43:
1357                                 download(3);
1358                                 break;
1359                         case 45:
1360                                 download(4);
1361                                 break;
1362                         case 55:
1363                                 download(5);
1364                                 break;
1365                         case 39:
1366                                 upload(0);
1367                                 break;
1368                         case 40:
1369                                 upload(1);
1370                                 break;
1371                         case 42:
1372                                 upload(2);
1373                                 break;
1374                         case 44:
1375                                 upload(3);
1376                                 break;
1377                         case 57:
1378                                 cli_upload();
1379                                 break;
1380                         case 16:
1381                                 ungoto();
1382                                 break;
1383                         case 24:
1384                                 whoknows();
1385                                 break;
1386                         case 26:
1387                                 validate();
1388                                 break;
1389                         case 29:
1390                                 if (!rc_alt_semantics)
1391                                         updatels();
1392                                 termn8 = 1;
1393                                 break;
1394                         case 30:
1395                                 if (!rc_alt_semantics)
1396                                         updatels();
1397                                 termn8 = 1;
1398                                 break;
1399                         case 48:
1400                                 enterinfo();
1401                                 break;
1402                         case 49:
1403                                 readinfo();
1404                                 break;
1405                         case 72:
1406                                 cli_image_upload("_userpic_");
1407                                 break;
1408                         case 73:
1409                                 cli_image_upload("_roompic_");
1410                                 break;
1411
1412                         case 74:
1413                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1414                                 cli_image_upload(aaa);
1415                                 break;
1416
1417                         case 75:
1418                                 enternew("roomname", aaa, 20);
1419                                 r = CtdlIPCChangeRoomname(aaa, bbb);
1420                                 if (r / 100 != 2)
1421                                         scr_printf("\n%s\n", aaa);
1422                                 break;
1423                         case 76:
1424                                 enternew("hostname", aaa, 25);
1425                                 r = CtdlIPCChangeHostname(aaa, bbb);
1426                                 if (r / 100 != 2)
1427                                         scr_printf("\n%s\n", aaa);
1428                                 break;
1429                         case 77:
1430                                 enternew("username", aaa, 32);
1431                                 r = CtdlIPCChangeUsername(aaa, bbb);
1432                                 if (r / 100 != 2)
1433                                         scr_printf("\n%s\n", aaa);
1434                                 break;
1435
1436                         case 35:
1437                                 set_password();
1438                                 break;
1439
1440                         case 21:
1441                                 if (argbuf[0] == 0)
1442                                         strcpy(aaa, "?");
1443                                 display_help(argbuf);
1444                                 break;
1445
1446                         case 41:
1447                                 formout("register");
1448                                 entregis();
1449                                 break;
1450
1451                         case 15:
1452                                 scr_printf("Are you sure (y/n)? ");
1453                                 if (yesno() == 1) {
1454                                         updatels();
1455                                         a = 0;
1456                                         termn8 = 1;
1457                                 }
1458                                 break;
1459
1460                         case 85:
1461                                 scr_printf("All users will be disconnected!  "
1462                                         "Really terminate the server? ");
1463                                 if (yesno() == 1) {
1464                                         r = CtdlIPCTerminateServerNow(aaa);
1465                                         scr_printf("%s\n", aaa);
1466                                         if (r / 100 == 2) {
1467                                                 updatels();
1468                                                 a = 0;
1469                                                 termn8 = 1;
1470                                         }
1471                                 }
1472                                 break;
1473
1474                         case 86:
1475                                 scr_printf("Do you really want to schedule a "
1476                                         "server shutdown? ");
1477                                 if (yesno() == 1) {
1478                                         r = CtdlIPCTerminateServerScheduled(1, aaa);
1479                                         if (r / 100 == 2) {
1480                                                 if (atoi(aaa)) {
1481                                                         scr_printf(
1482 "The Citadel server will terminate when all users are logged off.\n"
1483                                                                 );
1484                                                 } else {
1485                                                         scr_printf(
1486 "The Citadel server will not terminate.\n"
1487                                                                 );
1488                                                 }
1489                                         }
1490                                 }
1491                                 break;
1492
1493                         case 87:
1494                                 network_config_management("listrecp",
1495                                         "Mailing list recipients");
1496                                 break;
1497
1498                         case 89:
1499                                 network_config_management("ignet_push_share",
1500                                         "Nodes with which we share this room");
1501                                 break;
1502
1503                         case 88:
1504                                 do_ignet_configuration();
1505                                 break;
1506
1507                         case 92:
1508                                 do_filterlist_configuration();
1509                                 break;
1510
1511                         case 6:
1512                                 if (rc_alt_semantics)
1513                                         updatelsa();
1514                                 gotonext();
1515                                 break;
1516
1517                         case 3:
1518                                 chatmode();
1519                                 break;
1520
1521                         case 2:
1522                                 if (server_is_local) {
1523                                         screen_reset();
1524                                         sttybbs(SB_RESTORE);
1525                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
1526                                                  "exec ./subsystem %ld %d %d", fullname,
1527                                           usernum, screenwidth, axlevel);
1528                                         ka_system(aaa);
1529                                         sttybbs(SB_NO_INTR);
1530                                         screen_set();
1531                                 } else {
1532                                         scr_printf("*** Can't run doors when server is not local.\n");
1533                                 }
1534                                 break;
1535
1536                         case 17:
1537                                 who_is_online(0);
1538                                 break;
1539
1540                         case 79:
1541                                 who_is_online(1);
1542                                 break;
1543
1544             case 91:
1545                 who_is_online(2);
1546                 break;
1547
1548                         case 80:
1549                                 do_system_configuration();
1550                                 break;
1551
1552                         case 82:
1553                                 do_internet_configuration();
1554                                 break;
1555
1556                         case 83:
1557                                 check_message_base();
1558                                 break;
1559
1560                         case 84:
1561                                 quiet_mode();
1562                                 break;
1563
1564                         case 93:
1565                                 stealth_mode();
1566                                 break;
1567
1568                         case 50:
1569                                 enter_config(2);
1570                                 break;
1571
1572                         case 37:
1573                                 enter_config(0);
1574                                 set_floor_mode();
1575                                 break;
1576
1577                         case 59:
1578                                 enter_config(3);
1579                                 set_floor_mode();
1580                                 break;
1581
1582                         case 60:
1583                                 gotofloor(argbuf, GF_GOTO);
1584                                 break;
1585
1586                         case 61:
1587                                 gotofloor(argbuf, GF_SKIP);
1588                                 break;
1589
1590                         case 62:
1591                                 forget_this_floor();
1592                                 break;
1593
1594                         case 63:
1595                                 create_floor();
1596                                 break;
1597
1598                         case 64:
1599                                 edit_floor();
1600                                 break;
1601
1602                         case 65:
1603                                 kill_floor();
1604                                 break;
1605
1606                         case 66:
1607                                 enter_bio();
1608                                 break;
1609
1610                         case 67:
1611                                 read_bio();
1612                                 break;
1613
1614                         case 25:
1615                                 edituser();
1616                                 break;
1617
1618                         case 8:
1619                                 knrooms(floor_mode);
1620                                 scr_printf("\n");
1621                                 break;
1622
1623                         case 68:
1624                                 knrooms(2);
1625                                 scr_printf("\n");
1626                                 break;
1627
1628                         case 69:
1629                                 misc_server_cmd(argbuf);
1630                                 break;
1631
1632                         case 70:
1633                                 edit_system_message(argbuf);
1634                                 break;
1635
1636                         case 19:
1637                                 listzrooms();
1638                                 scr_printf("\n");
1639                                 break;
1640
1641                         case 51:
1642                                 deletefile();
1643                                 break;
1644
1645                         case 53:
1646                                 netsendfile();
1647                                 break;
1648
1649                         case 54:
1650                                 movefile();
1651                                 break;
1652
1653                         case 56:
1654                                 page_user();
1655                                 break;
1656
1657                         }       /* end switch */
1658         } while (termn8 == 0);
1659
1660 TERMN8: scr_printf("%s logged out.\n", fullname);
1661         while (march != NULL) {
1662                 remove_march(march->march_name, 0);
1663         }
1664         if (mcmd == 30) {
1665                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
1666         }
1667         CtdlIPCLogout();
1668         screen_delete();
1669         sttybbs(SB_RESTORE);
1670         if ((mcmd == 29) || (mcmd == 15)) {
1671                 formout("goodbye");
1672                 logoff(0);
1673         }
1674         goto GSTA;
1675
1676 }       /* end main() */