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          * If a match is not found, try a partial match.
 376          * Partial matches anywhere in the string carry a weight of 1,
 377          * left-aligned matches carry a weight of 2.  Pick the room that
 378          * has the highest-weighted match.
 379          */
 380         if (r / 100 != 2) {
 381                 best_match = 0;
 382                 strcpy(bbb, "");
 383                 serv_puts("LKRA");
 384                 serv_gets(aaa);
 385                 if (aaa[0] == '1')
 386                         while (serv_gets(aaa), strcmp(aaa, "000")) {
 387                                 extract(psearch, aaa, 0);
 388                                 partial_match = 0;
 389                                 if (pattern(psearch, towhere) >= 0) {
 390                                         partial_match = 1;
 391                                 }
 392                                 if (!strncasecmp(towhere, psearch, strlen(towhere))) {
 393                                         partial_match = 2;
 394                                 }
 395                                 if (partial_match > best_match) {
 396                                         strcpy(bbb, psearch);
 397                                         best_match = partial_match;
 398                                 }
 399                         }
 400                 if (strlen(bbb) == 0) {
 401                         scr_printf("No room '%s'.\n", towhere);
 402                         return;
 403                 }
 404                 r = CtdlIPCGotoRoom(bbb, "", &roomrec, aaa);
 405         }
 406         if (r / 100 != 2) {
 407                 scr_printf("%s\n", aaa);
 408                 return;
 409         }
 410         safestrncpy(room_name, roomrec->RRname, ROOMNAMELEN);
 411         room_flags = roomrec->RRflags;
 412         from_floor = curr_floor;
 413         curr_floor = roomrec->RRfloor;
 414
 415         remove_march(room_name, 0);
 416         if (!strcasecmp(towhere, "_BASEROOM_"))
 417                 remove_march(towhere, 0);
 418         if (!roomrec->RRunread)
 419                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
 420         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 421                 if (floorlist[(int) curr_floor][0] == 0)
 422                         load_floorlist();
 423                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 424         }
 425         if (display_name == 1) {
 426                 color(BRIGHT_WHITE);
 427                 scr_printf("%s ", room_name);
 428                 color(DIM_WHITE);
 429                 scr_printf("- ");
 430         }
 431         if (display_name != 2) {
 432                 color(BRIGHT_YELLOW);
 433                 scr_printf("%d ", roomrec->RRunread);
 434                 color(DIM_WHITE);
 435                 scr_printf("new of ");
 436                 color(BRIGHT_YELLOW);
 437                 scr_printf("%d ", roomrec->RRtotal);
 438                 color(DIM_WHITE);
 439                 scr_printf("messages.\n");
 440         }
 441         highest_msg_read = roomrec->RRlastread;
 442         maxmsgnum = roomrec->RRhighest;
 443         is_mail = roomrec->RRismailbox;
 444         is_room_aide = roomrec->RRaide;
 445         ls = roomrec->RRlastread;
 446
 447         /* read info file if necessary */
 448         if (roomrec->RRinfoupdated > 0)
 449                 readinfo();
 450
 451         /* check for newly arrived mail if we can */
 452         newmailcount = roomrec->RRnewmail;
 453         if (newmailcount > 0) {
 454                 color(BRIGHT_RED);
 455                 scr_printf("*** You have %d new mail message%s\n",
 456                                 newmailcount - oldmailcount,
 457                                 (newmailcount - oldmailcount == 1) ?
 458                                 "" : "s");
 459                 color(DIM_WHITE);
 460         }
 461         status_line(serv_info.serv_humannode, serv_info.serv_bbs_city,
 462                         room_name, secure, newmailcount);
 463 }
 464
 465 /* Goto next room having unread messages.
 466  * We want to skip over rooms that the user has already been to, and take the
 467  * user back to the lobby when done.  The room we end up in is placed in
 468  * newroom - which is set to 0 (the lobby) initially.
 469  */
 470 void gotonext(void)
 471 {
 472         char buf[SIZ];
 473         struct march *mptr, *mptr2;
 474         char next_room[ROOMNAMELEN];
 475         int r;                          /* IPC response code */
 476
 477         /* Check to see if the march-mode list is already allocated.
 478          * If it is, pop the first room off the list and go there.
 479          */
 480         if (march == NULL) {
 481                 r = CtdlIPCKnownRooms(1, -1, &march, buf);
 482 /* add _BASEROOM_ to the end of the march list, so the user will end up
 483  * in the system base room (usually the Lobby>) at the end of the loop
 484  */
 485                 mptr = (struct march *) malloc(sizeof(struct march));
 486                 mptr->next = NULL;
 487                 strcpy(mptr->march_name, "_BASEROOM_");
 488                 if (march == NULL) {
 489                         march = mptr;
 490                 } else {
 491                         mptr2 = march;
 492                         while (mptr2->next != NULL)
 493                                 mptr2 = mptr2->next;
 494                         mptr2->next = mptr;
 495                 }
 496 /*
 497  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 498  * walk around in circles
 499  */
 500                 remove_march(room_name, 0);
 501         }
 502         if (march != NULL) {
 503                 strcpy(next_room, pop_march(curr_floor));
 504         } else {
 505                 strcpy(next_room, "_BASEROOM_");
 506         }
 507         remove_march(next_room, 0);
 508         dotgoto(next_room, 1, 0);
 509 }
 510
 511 /*
 512  * forget all rooms on a given floor
 513  */
 514 void forget_all_rooms_on(int ffloor)
 515 {
 516         char buf[SIZ];
 517         struct march *flist, *fptr;
 518         struct ctdlipcroom *roomrec;    /* Ignored */
 519         int r;                          /* IPC response code */
 520
 521         scr_printf("Forgetting all rooms on %s...\r", &floorlist[ffloor][0]);
 522         scr_flush();
 523         snprintf(buf, sizeof buf, "LKRA %d", ffloor);
 524         serv_puts(buf);
 525         serv_gets(buf);
 526         if (buf[0] != '1') {
 527                 scr_printf("%-72s\n", &buf[4]);
 528                 return;
 529         }
 530         flist = NULL;
 531         while (serv_gets(buf), strcmp(buf, "000")) {
 532                 fptr = (struct march *) malloc(sizeof(struct march));
 533                 fptr->next = flist;
 534                 flist = fptr;
 535                 extract(fptr->march_name, buf, 0);
 536         }
 537         while (flist != NULL) {
 538                 r = CtdlIPCGotoRoom(flist->march_name, "", &roomrec, buf);
 539                 if (r / 100 == 2) {
 540                         r = CtdlIPCForgetRoom(buf);
 541                 }
 542                 fptr = flist;
 543                 flist = flist->next;
 544                 free(fptr);
 545         }
 546         scr_printf("%-72s\r", "");
 547 }
 548
 549
 550 /*
 551  * routine called by gotofloor() to move to a new room on a new floor
 552  */
 553 void gf_toroom(char *towhere, int mode)
 554 {
 555         int floor_being_left;
 556
 557         floor_being_left = curr_floor;
 558
 559         if (mode == GF_GOTO) {  /* <;G>oto mode */
 560                 updatels();
 561                 dotgoto(towhere, 1, 0);
 562         }
 563         if (mode == GF_SKIP) {  /* <;S>kip mode */
 564                 dotgoto(towhere, 1, 0);
 565                 remove_march("_FLOOR_", floor_being_left);
 566         }
 567         if (mode == GF_ZAP) {   /* <;Z>ap mode */
 568                 dotgoto(towhere, 1, 0);
 569                 remove_march("_FLOOR_", floor_being_left);
 570                 forget_all_rooms_on(floor_being_left);
 571         }
 572 }
 573
 574
 575 /*
 576  * go to a new floor
 577  */
 578 void gotofloor(char *towhere, int mode)
 579 {
 580         int a, tofloor;
 581         struct march *mptr;
 582         char buf[SIZ], targ[SIZ];
 583
 584         if (floorlist[0][0] == 0)
 585                 load_floorlist();
 586         tofloor = (-1);
 587         for (a = 0; a < 128; ++a)
 588                 if (!strcasecmp(&floorlist[a][0], towhere))
 589                         tofloor = a;
 590
 591         if (tofloor < 0) {
 592                 for (a = 0; a < 128; ++a) {
 593                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 594                                 tofloor = a;
 595                         }
 596                 }
 597         }
 598         if (tofloor < 0) {
 599                 for (a = 0; a < 128; ++a)
 600                         if (pattern(towhere, &floorlist[a][0]) > 0)
 601                                 tofloor = a;
 602         }
 603         if (tofloor < 0) {
 604                 scr_printf("No floor '%s'.\n", towhere);
 605                 return;
 606         }
 607         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 608                 if ((mptr->march_floor) == tofloor)
 609                         gf_toroom(mptr->march_name, mode);
 610                 return;
 611         }
 612
 613         strcpy(targ, "");
 614         snprintf(buf, sizeof buf, "LKRA %d", tofloor);
 615         serv_puts(buf);
 616         serv_gets(buf);
 617         if (buf[0] == '1')
 618                 while (serv_gets(buf), strcmp(buf, "000")) {
 619                         if ((extract_int(buf, 2) == tofloor) && (strlen(targ) == 0))
 620                                 extract(targ, buf, 0);
 621                 }
 622         if (strlen(targ) > 0) {
 623                 gf_toroom(targ, mode);
 624         } else {
 625                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 626         }
 627 }
 628
 629
 630 /*
 631  * forget all rooms on current floor
 632  */
 633 void forget_this_floor(void)
 634 {
 635
 636         if (curr_floor == 0) {
 637                 scr_printf("Can't forget this floor.\n");
 638                 return;
 639         }
 640         if (floorlist[0][0] == 0)
 641                 load_floorlist();
 642         scr_printf("Are you sure you want to forget all rooms on %s? ",
 643                &floorlist[(int) curr_floor][0]);
 644         if (yesno() == 0)
 645                 return;
 646
 647         gf_toroom("_BASEROOM_", GF_ZAP);
 648 }
 649
 650
 651 /*
 652  * Figure out the physical screen dimensions, if we can
 653  * WARNING:  this is now called from a signal handler!
 654  */
 655 void check_screen_dims(void)
 656 {
 657 #ifdef TIOCGWINSZ
 658         struct {
 659                 unsigned short height;  /* rows */
 660                 unsigned short width;   /* columns */
 661                 unsigned short xpixels;
 662                 unsigned short ypixels;         /* pixels */
 663         } xwinsz;
 664
 665         if (have_xterm) {       /* dynamically size screen if on an xterm */
 666                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
 667                         if (xwinsz.height)
 668                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
 669                         if (xwinsz.width)
 670                                 screenwidth = (int) xwinsz.width;
 671                 }
 672         }
 673 #endif
 674 }
 675
 676
 677 /*
 678  * set floor mode depending on client, server, and user settings
 679  */
 680 void set_floor_mode(void)
 681 {
 682         if (serv_info.serv_ok_floors == 0) {
 683                 floor_mode = 0; /* Don't use floors if the server */
 684         }
 685         /* doesn't support them!          */
 686         else {
 687                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 688                         floor_mode = 0;
 689                 }
 690                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 691                         floor_mode = 1;
 692                 }
 693                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 694                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 695                 }
 696         }
 697 }
 698
 699 /*
 700  * Set or change the user's password
 701  */
 702 int set_password(void)
 703 {
 704         char pass1[20];
 705         char pass2[20];
 706         char buf[SIZ];
 707
 708         if (strlen(rc_password) > 0) {
 709                 strcpy(pass1, rc_password);
 710                 strcpy(pass2, rc_password);
 711         } else {
 712                 IFNEXPERT formout("changepw");
 713                 newprompt("Enter a new password: ", pass1, -19);
 714                 newprompt("Enter it again to confirm: ", pass2, -19);
 715         }
 716         strproc(pass1);
 717         strproc(pass2);
 718         if (!strcasecmp(pass1, pass2)) {
 719                 CtdlIPCChangePassword(pass1, buf);
 720                 scr_printf("%s\n", buf);
 721                 offer_to_remember_password(hostbuf, portbuf, fullname, pass1);
 722                 return (0);
 723         } else {
 724                 scr_printf("*** They don't match... try again.\n");
 725                 return (1);
 726         }
 727 }
 728
 729
 730
 731 /*
 732  * get info about the server we've connected to
 733  */
 734 void get_serv_info(char *supplied_hostname)
 735 {
 736         char buf[SIZ];
 737
 738         CtdlIPCServerInfo(&serv_info, buf);
 739
 740         /* be nice and identify ourself to the server */
 741         CtdlIPCIdentifySoftware(SERVER_TYPE, 0, REV_LEVEL,
 742                  (server_is_local ? "local" : CITADEL),
 743                  (supplied_hostname) ? supplied_hostname : "", buf);
 744                  /* (locate_host(buf), buf)); */
 745 }
 746
 747
 748
 749
 750
 751 /*
 752  * Display list of users currently logged on to the server
 753  */
 754 void who_is_online(int longlist)
 755 {
 756         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
 757         char flags[SIZ];
 758         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
 759         char tbuf[SIZ], clientsoft[SIZ];
 760         time_t timenow = 0;
 761         time_t idletime, idlehours, idlemins, idlesecs;
 762         int last_session = (-1);
 763         int skipidle = 0;
 764         char *listing = NULL;
 765         int r;                          /* IPC response code */
 766
 767         if (longlist == 2) {
 768                 longlist = 0;
 769                 skipidle = 1;
 770         }
 771
 772         if (!(timenow = CtdlIPCServerTime(tbuf))) {
 773                 time(&timenow);
 774         }
 775
 776         if (!longlist) {
 777                 color(BRIGHT_WHITE);
 778                 pprintf("FLG ###        User Name                 Room                 From host\n");
 779                 color(DIM_WHITE);
 780                 pprintf("--- --- ------------------------- -------------------- ------------------------\n");
 781         }
 782         r = CtdlIPCOnlineUsers(&listing, &timenow, buf);
 783         if (r / 100 == 1) {
 784                 while (strlen(listing) > 0) {
 785                         int isidle = 0;
 786
 787                         /* Get another line */
 788                         extract_token(buf, listing, 0, '\n');
 789                         remove_token(listing, 0, '\n');
 790
 791                         extract(username, buf, 1);
 792                         extract(roomname, buf, 2);
 793                         extract(fromhost, buf, 3);
 794                         extract(clientsoft, buf, 4);
 795                         extract(flags, buf, 7);
 796
 797                         idletime = timenow - extract_long(buf, 5);
 798                         idlehours = idletime / 3600;
 799                         idlemins = (idletime - (idlehours * 3600)) / 60;
 800                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
 801
 802                         if (idletime > rc_idle_threshold) {
 803                                 while (strlen(roomname) < 20) {
 804                                         strcat(roomname, " ");
 805                                 }
 806                                 strcpy(&roomname[14], "[idle]");
 807                                 if (skipidle)
 808                                         isidle = 1;
 809                         }
 810
 811                         if (longlist) {
 812                                 extract(actual_user, buf, 8);
 813                                 extract(actual_room, buf, 9);
 814                                 extract(actual_host, buf, 10);
 815
 816                                 pprintf("  Flags: %s\n", flags);
 817                                 pprintf("Session: %d\n", extract_int(buf, 0));
 818                                 pprintf("   Name: %s\n", username);
 819                                 pprintf("In room: %s\n", roomname);
 820                                 pprintf("   Host: %s\n", fromhost);
 821                                 pprintf(" Client: %s\n", clientsoft);
 822                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
 823                                         (long) idlehours,
 824                                         (long) idlemins,
 825                                         (long) idlesecs);
 826
 827                                 if ( (strlen(actual_user)+strlen(actual_room)+strlen(actual_host)) > 0) {
 828                                         pprintf("(really ");
 829                                         if (strlen(actual_user)>0) pprintf("<%s> ", actual_user);
 830                                         if (strlen(actual_room)>0) pprintf("in <%s> ", actual_room);
 831                                         if (strlen(actual_host)>0) pprintf("from <%s> ", actual_host);
 832                                         pprintf(")\n");
 833                                 }
 834                                 pprintf("\n");
 835
 836                         } else {
 837                     if (isidle == 0) {
 838                                 if (extract_int(buf, 0) == last_session) {
 839                                         pprintf("        ");
 840                                 } else {
 841                                         color(BRIGHT_MAGENTA);
 842                                         pprintf("%-3s ", flags);
 843                                         color(DIM_WHITE);
 844                                         pprintf("%-3d ", extract_int(buf, 0));
 845                                 }
 846                                 last_session = extract_int(buf, 0);
 847                                 color(BRIGHT_CYAN);
 848                                 pprintf("%-25s ", username);
 849                                 color(BRIGHT_MAGENTA);
 850                                 roomname[20] = 0;
 851                                 pprintf("%-20s ", roomname);
 852                                 color(BRIGHT_CYAN);
 853                                 fromhost[24] = '\0';
 854                                 pprintf("%-24s\n", fromhost);
 855                                 color(DIM_WHITE);
 856                         }
 857                         }
 858                 }
 859         }
 860         free(listing);
 861 }
 862
 863 void enternew(char *desc, char *buf, int maxlen)
 864 {
 865         char bbb[128];
 866         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 867         newprompt(bbb, buf, maxlen);
 868 }
 869
 870
 871
 872 int shift(int argc, char **argv, int start, int count) {
 873         int i;
 874
 875         for (i=start; i<(argc-count); ++i) {
 876                 argv[i] = argv[i+count];
 877         }
 878         argc = argc - count;
 879         return argc;
 880 }
 881
 882 static void statusHook(char *s) {
 883         sln_printf(s);
 884         sln_flush();
 885 }
 886
 887 /*
 888  * main
 889  */
 890 int main(int argc, char **argv)
 891 {
 892         int a, b, mcmd;
 893         char aaa[100], bbb[100];/* general purpose variables */
 894         char argbuf[32];        /* command line buf */
 895         char nonce[NONCE_SIZE];
 896         char *telnet_client_host = NULL;
 897         char *sptr, *sptr2;     /* USed to extract the nonce */
 898         char hexstring[MD5_HEXSTRING_SIZE];
 899         int stored_password = 0;
 900         char password[SIZ];
 901         struct ctdlipcmisc chek;
 902         struct usersupp *myself = NULL;
 903         int r;                          /* IPC result code */
 904
 905         setIPCDeathHook(screen_delete);
 906         setIPCErrorPrintf(err_printf);
 907         setCryptoStatusHook(statusHook);
 908
 909         /* Permissions sanity check - don't run citadel setuid/setgid */
 910         if (getuid() != geteuid()) {
 911                 err_printf("Please do not run citadel setuid!\n");
 912                 logoff(3);
 913         } else if (getgid() != getegid()) {
 914                 err_printf("Please do not run citadel setgid!\n");
 915                 logoff(3);
 916         }
 917
 918         sttybbs(SB_SAVE);       /* Store the old terminal parameters */
 919         load_command_set();     /* parse the citadel.rc file */
 920         sttybbs(SB_NO_INTR);    /* Install the new ones */
 921         signal(SIGHUP, dropcarr);       /* Cleanup gracefully if carrier is dropped */
 922         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
 923         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
 924 #ifdef SIGWINCH
 925         signal(SIGWINCH, scr_winch);    /* Window resize signal */
 926 #endif
 927
 928 #ifdef HAVE_OPENSSL
 929         arg_encrypt = RC_DEFAULT;
 930 #endif
 931 #ifdef HAVE_CURSES_H
 932         arg_screen = RC_DEFAULT;
 933 #endif
 934
 935         /*
 936          * Handle command line options as if we were called like /bin/login
 937          * (i.e. from in.telnetd)
 938          */
 939         for (a=0; a<argc; ++a) {
 940                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
 941                         telnet_client_host = argv[a+1];
 942                         argc = shift(argc, argv, a, 2);
 943                 }
 944                 if (!strcmp(argv[a], "-x")) {
 945 #ifdef HAVE_OPENSSL
 946                         arg_encrypt = RC_NO;
 947 #endif
 948                         argc = shift(argc, argv, a, 1);
 949                 }
 950                 if (!strcmp(argv[a], "-X")) {
 951 #ifdef HAVE_OPENSSL
 952                         arg_encrypt = RC_YES;
 953                         argc = shift(argc, argv, a, 1);
 954 #else
 955                         fprintf(stderr, "Not compiled with encryption support");
 956                         return 1;
 957 #endif
 958                 }
 959                 if (!strcmp(argv[a], "-s")) {
 960 #ifdef HAVE_CURSES_H
 961                         arg_screen = RC_NO;
 962 #endif
 963                         argc = shift(argc, argv, a, 1);
 964                 }
 965                 if (!strcmp(argv[a], "-S")) {
 966 #ifdef HAVE_CURSES_H
 967                         arg_screen = RC_YES;
 968 #endif
 969                         argc = shift(argc, argv, a, 1);
 970                 }
 971                 if (!strcmp(argv[a], "-p")) {
 972                         struct stat st;
 973
 974                         if (chdir(BBSDIR) < 0) {
 975                                 perror("can't change to " BBSDIR);
 976                                 logoff(3);
 977                         }
 978
 979                         /*
 980                          * Drop privileges if necessary. We stat
 981                          * citadel.config to get the uid/gid since it's
 982                          * guaranteed to have the uid/gid we want.
 983                          */
 984                         if (!getuid() || !getgid()) {
 985                                 if (stat(BBSDIR "/citadel.config", &st) < 0) {
 986                                         perror("couldn't stat citadel.config");
 987                                         logoff(3);
 988                                 }
 989                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
 990                                         perror("couldn't change gid");
 991                                         logoff(3);
 992                                 }
 993                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
 994                                         perror("couldn't change uid");
 995                                         logoff(3);
 996                                 }
 997                                 /*
 998                                 scr_printf("Privileges changed to uid %d gid %d\n",
 999                                                 getuid(), getgid());
1000                                 */
1001                         }
1002                         argc = shift(argc, argv, a, 1);
1003                 }
1004         }
1005
1006         screen_new();
1007
1008         sln_printf("Attaching to server... \r");
1009         sln_flush();
1010         attach_to_server(argc, argv, hostbuf, portbuf);
1011
1012         serv_gets(aaa);
1013         if (aaa[0] != '2') {
1014                 scr_printf("%s\n", &aaa[4]);
1015                 logoff(atoi(aaa));
1016         }
1017
1018 /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1019  * is zeroized.
1020  */
1021
1022         if ((sptr = strchr(aaa, '<')) == NULL)
1023         {
1024            nonce[0] = '\0';
1025         }
1026         else
1027         {
1028            if ((sptr2 = strchr(sptr, '>')) == NULL)
1029            {
1030               nonce[0] = '\0';
1031            }
1032            else
1033            {
1034               sptr2++;
1035               *sptr2 = '\0';
1036               strncpy(nonce, sptr, NONCE_SIZE);
1037            }
1038         }
1039
1040         get_serv_info(telnet_client_host);
1041
1042         scr_printf("%-24s\n%s\n%s\n", serv_info.serv_software, serv_info.serv_humannode,
1043                 serv_info.serv_bbs_city);
1044         scr_flush();
1045
1046         secure = starttls();
1047         status_line(serv_info.serv_humannode, serv_info.serv_bbs_city, NULL,
1048                         secure, -1);
1049
1050         screenwidth = 80;       /* default screen dimensions */
1051         screenheight = 24;
1052
1053         scr_printf(" pause    next    stop\n");
1054         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1055         formout("hello");       /* print the opening greeting */
1056         scr_printf("\n");
1057
1058 GSTA:   /* See if we have a username and password on disk */
1059         if (rc_remember_passwords) {
1060                 get_stored_password(hostbuf, portbuf, fullname, password);
1061                 if (strlen(fullname) > 0) {
1062                         snprintf(aaa, sizeof(aaa)-1, "USER %s", fullname);
1063                         serv_puts(aaa);
1064                         serv_gets(aaa);
1065                         if (nonce[0])
1066                         {
1067                                 snprintf(aaa, sizeof aaa, "PAS2 %s", make_apop_string(password, nonce, hexstring, sizeof hexstring));
1068                         }
1069                         else    /* Else no APOP */
1070                         {
1071                                 snprintf(aaa, sizeof(aaa)-1, "PASS %s", password);
1072                         }
1073
1074                         serv_puts(aaa);
1075                         serv_gets(aaa);
1076                         if (aaa[0] == '2') {
1077                                 load_user_info(&aaa[4]);
1078                                 stored_password = 1;
1079                                 goto PWOK;
1080                         }
1081                         else {
1082                                 set_stored_password(hostbuf, portbuf, "", "");
1083                         }
1084                 }
1085         }
1086
1087         termn8 = 0;
1088         newnow = 0;
1089         do {
1090                 if (strlen(rc_username) > 0) {
1091                         strcpy(fullname, rc_username);
1092                 } else {
1093                         newprompt("Enter your name: ", fullname, 29);
1094                 }
1095                 strproc(fullname);
1096                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1097                         scr_printf("Please enter the name you wish to log in with.\n");
1098                 }
1099         } while (
1100                         (!strcasecmp(fullname, "bbs"))
1101                         || (!strcasecmp(fullname, "new"))
1102                         || (strlen(fullname) == 0));
1103
1104         if (!strcasecmp(fullname, "off")) {
1105                 mcmd = 29;
1106                 goto TERMN8;
1107         }
1108         /* sign on to the server */
1109         r = CtdlIPCTryLogin(fullname, aaa);
1110         if (r / 100 != 3)
1111                 goto NEWUSR;
1112
1113         /* password authentication */
1114         if (strlen(rc_password) > 0) {
1115                 strcpy(password, rc_password);
1116         } else {
1117                 newprompt("\rPlease enter your password: ", password, -19);
1118         }
1119         strproc(password);
1120
1121         if (nonce[0])
1122         {
1123                 snprintf(aaa, sizeof aaa, "PAS2 %s", make_apop_string(password, nonce, hexstring, sizeof hexstring));
1124         }
1125         else    /* Else no APOP */
1126         {
1127                 snprintf(aaa, sizeof aaa, "PASS %s", password);
1128         }
1129
1130         serv_puts(aaa);
1131         serv_gets(aaa);
1132         if (aaa[0] == '2') {
1133                 load_user_info(&aaa[4]);
1134                 offer_to_remember_password(hostbuf, portbuf,
1135                                         fullname, password);
1136                 goto PWOK;
1137         }
1138         scr_printf("<< wrong password >>\n");
1139         if (strlen(rc_password) > 0)
1140                 logoff(0);
1141         goto GSTA;
1142
1143 NEWUSR: if (strlen(rc_password) == 0) {
1144                 scr_printf("No record. Enter as new user? ");
1145                 if (yesno() == 0)
1146                         goto GSTA;
1147         }
1148         snprintf(aaa, sizeof aaa, "NEWU %s", fullname);
1149         serv_puts(aaa);
1150         serv_gets(aaa);
1151         if (aaa[0] != '2') {
1152                 scr_printf("%s\n", aaa);
1153                 goto GSTA;
1154         }
1155         load_user_info(&aaa[4]);
1156
1157         while (set_password() != 0);;
1158         newnow = 1;
1159
1160         enter_config(1);
1161
1162 PWOK:
1163         /* Switch color support on or off if we're in user mode */
1164         if (rc_ansi_color == 3) {
1165                 if (userflags & US_COLOR)
1166                         enable_color = 1;
1167                 else
1168                         enable_color = 0;
1169         }
1170
1171         scr_printf("%s\nAccess level: %d (%s)\n"
1172                 "User #%ld / Login #%d",
1173                 fullname, axlevel, axdefs[(int) axlevel],
1174                 usernum, timescalled);
1175         if (lastcall > 0L) {
1176                 scr_printf(" / Last login: %s\n",
1177                         asctime(localtime(&lastcall)) );
1178         }
1179         scr_printf("\n");
1180
1181         r = CtdlIPCMiscCheck(&chek, aaa);
1182         if (r / 100 == 2) {
1183                 b = chek.newmail;
1184                 if (b > 0) {
1185                         color(BRIGHT_RED);
1186                         if (b == 1)
1187                                 scr_printf("*** You have a new private message in Mail>\n");
1188                         if (b > 1)
1189                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1190                         color(DIM_WHITE);
1191                 }
1192                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1193                         scr_printf("*** Users need validation\n");
1194                 }
1195                 if (chek.needregis > 0) {
1196                         scr_printf("*** Please register.\n");
1197                         formout("register");
1198                         entregis();
1199                 }
1200         }
1201         /* Make up some temporary filenames for use in various parts of the
1202          * program.  Don't mess with these once they've been set, because we
1203          * will be unlinking them later on in the program and we don't
1204          * want to delete something that we didn't create. */
1205         snprintf(temp, sizeof temp, tmpnam(NULL));
1206         snprintf(temp2, sizeof temp2, tmpnam(NULL));
1207         snprintf(tempdir, sizeof tempdir, tmpnam(NULL));
1208
1209         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1210          * we try to get the user's actual screen dimensions off the server.
1211          * However, if we're running on an xterm, all this stuff is
1212          * irrelevant because we're going to dynamically size the screen
1213          * during the session.
1214          */
1215         screenwidth = 80;
1216         screenheight = 24;
1217         r = CtdlIPCGetConfig(&myself, aaa);
1218         if (r == 2) {
1219                 screenwidth = myself->USscreenwidth;
1220                 screenheight = myself->USscreenheight;
1221         }
1222         if (getenv("TERM") != NULL)
1223                 if (!strcmp(getenv("TERM"), "xterm")) {
1224                         have_xterm = 1;
1225                 }
1226 #ifdef TIOCGWINSZ
1227         check_screen_dims();
1228 #endif
1229
1230         set_floor_mode();
1231
1232
1233         /* Enter the lobby */
1234         dotgoto("_BASEROOM_", 1, 0);
1235
1236 /* Main loop for the system... user is logged in. */
1237     uglistsize = 0;
1238
1239         if (newnow == 1)
1240                 readmsgs(3, 1, 5);
1241         else
1242                 readmsgs(1, 1, 0);
1243
1244         /* MAIN COMMAND LOOP */
1245         do {
1246                 mcmd = getcmd(argbuf);          /* Get keyboard command */
1247
1248 #ifdef TIOCGWINSZ
1249                 check_screen_dims();            /* if xterm, get screen size */
1250 #endif
1251
1252                 if (termn8 == 0)
1253                         switch (mcmd) {
1254                         case 1:
1255                                 formout("help");
1256                                 break;
1257                         case 4:
1258                                 entmsg(0, 0);
1259                                 break;
1260                         case 36:
1261                                 entmsg(0, 1);
1262                                 break;
1263                         case 46:
1264                                 entmsg(0, 2);
1265                                 break;
1266                         case 78:
1267                                 newprompt("What do you want your username to be? ", aaa, 32);
1268                                 snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1269                                 serv_puts(bbb);
1270                                 serv_gets(aaa);
1271                                 if (strncmp("200", aaa, 3))
1272                                         scr_printf("\n%s\n", aaa);
1273                                 else
1274                                         entmsg(0, 0);
1275                                 break;
1276                         case 5:
1277                                 updatels();
1278                                 gotonext();
1279                                 break;
1280                         case 47:
1281                                 if (!rc_alt_semantics)
1282                                         updatelsa();
1283                                 gotonext();
1284                                 break;
1285                         case 90:
1286                                 if (!rc_alt_semantics)
1287                                         updatelsa();
1288                                 dotgoto(argbuf, 0, 0);
1289                                 break;
1290                         case 58:
1291                                 updatelsa();
1292                                 dotgoto("_MAIL_", 1, 0);
1293                                 break;
1294                         case 20:
1295                                 updatels();
1296                                 dotgoto(argbuf, 0, 0);
1297                                 break;
1298                         case 52:
1299                                 if (rc_alt_semantics)
1300                                         updatelsa();
1301                                 dotgoto(argbuf, 0, 0);
1302                                 break;
1303                         case 10:
1304                                 readmsgs(0, 1, 0);
1305                                 break;
1306                         case 9:
1307                                 readmsgs(3, 1, 5);
1308                                 break;
1309                         case 13:
1310                                 readmsgs(1, 1, 0);
1311                                 break;
1312                         case 11:
1313                                 readmsgs(0, (-1), 0);
1314                                 break;
1315                         case 12:
1316                                 readmsgs(2, (-1), 0);
1317                                 break;
1318                         case 71:
1319                                 readmsgs(3, 1, atoi(argbuf));
1320                                 break;
1321                         case 7:
1322                                 forget();
1323                                 break;
1324                         case 18:
1325                                 subshell();
1326                                 break;
1327                         case 38:
1328                                 updatels();
1329                                 entroom();
1330                                 break;
1331                         case 22:
1332                                 killroom();
1333                                 break;
1334                         case 32:
1335                                 userlist(argbuf);
1336                                 break;
1337                         case 27:
1338                                 invite();
1339                                 break;
1340                         case 28:
1341                                 kickout();
1342                                 break;
1343                         case 23:
1344                                 editthisroom();
1345                                 break;
1346                         case 14:
1347                                 roomdir();
1348                                 break;
1349                         case 33:
1350                                 download(0);
1351                                 break;
1352                         case 34:
1353                                 download(1);
1354                                 break;
1355                         case 31:
1356                                 download(2);
1357                                 break;
1358                         case 43:
1359                                 download(3);
1360                                 break;
1361                         case 45:
1362                                 download(4);
1363                                 break;
1364                         case 55:
1365                                 download(5);
1366                                 break;
1367                         case 39:
1368                                 upload(0);
1369                                 break;
1370                         case 40:
1371                                 upload(1);
1372                                 break;
1373                         case 42:
1374                                 upload(2);
1375                                 break;
1376                         case 44:
1377                                 upload(3);
1378                                 break;
1379                         case 57:
1380                                 cli_upload();
1381                                 break;
1382                         case 16:
1383                                 ungoto();
1384                                 break;
1385                         case 24:
1386                                 whoknows();
1387                                 break;
1388                         case 26:
1389                                 validate();
1390                                 break;
1391                         case 29:
1392                                 if (!rc_alt_semantics)
1393                                         updatels();
1394                                 termn8 = 1;
1395                                 break;
1396                         case 30:
1397                                 if (!rc_alt_semantics)
1398                                         updatels();
1399                                 termn8 = 1;
1400                                 break;
1401                         case 48:
1402                                 enterinfo();
1403                                 break;
1404                         case 49:
1405                                 readinfo();
1406                                 break;
1407                         case 72:
1408                                 cli_image_upload("_userpic_");
1409                                 break;
1410                         case 73:
1411                                 cli_image_upload("_roompic_");
1412                                 break;
1413
1414                         case 74:
1415                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1416                                 cli_image_upload(aaa);
1417                                 break;
1418
1419                         case 75:
1420                                 enternew("roomname", aaa, 20);
1421                                 r = CtdlIPCChangeRoomname(aaa, bbb);
1422                                 if (r / 100 != 2)
1423                                         scr_printf("\n%s\n", aaa);
1424                                 break;
1425                         case 76:
1426                                 enternew("hostname", aaa, 25);
1427                                 r = CtdlIPCChangeHostname(aaa, bbb);
1428                                 if (r / 100 != 2)
1429                                         scr_printf("\n%s\n", aaa);
1430                                 break;
1431                         case 77:
1432                                 enternew("username", aaa, 32);
1433                                 r = CtdlIPCChangeUsername(aaa, bbb);
1434                                 if (r / 100 != 2)
1435                                         scr_printf("\n%s\n", aaa);
1436                                 break;
1437
1438                         case 35:
1439                                 set_password();
1440                                 break;
1441
1442                         case 21:
1443                                 if (argbuf[0] == 0)
1444                                         strcpy(aaa, "?");
1445                                 display_help(argbuf);
1446                                 break;
1447
1448                         case 41:
1449                                 formout("register");
1450                                 entregis();
1451                                 break;
1452
1453                         case 15:
1454                                 scr_printf("Are you sure (y/n)? ");
1455                                 if (yesno() == 1) {
1456                                         updatels();
1457                                         a = 0;
1458                                         termn8 = 1;
1459                                 }
1460                                 break;
1461
1462                         case 85:
1463                                 scr_printf("All users will be disconnected!  "
1464                                         "Really terminate the server? ");
1465                                 if (yesno() == 1) {
1466                                         r = CtdlIPCTerminateServerNow(aaa);
1467                                         scr_printf("%s\n", aaa);
1468                                         if (r / 100 == 2) {
1469                                                 updatels();
1470                                                 a = 0;
1471                                                 termn8 = 1;
1472                                         }
1473                                 }
1474                                 break;
1475
1476                         case 86:
1477                                 scr_printf("Do you really want to schedule a "
1478                                         "server shutdown? ");
1479                                 if (yesno() == 1) {
1480                                         r = CtdlIPCTerminateServerScheduled(1, aaa);
1481                                         if (r / 100 == 2) {
1482                                                 if (atoi(aaa)) {
1483                                                         scr_printf(
1484 "The Citadel server will terminate when all users are logged off.\n"
1485                                                                 );
1486                                                 } else {
1487                                                         scr_printf(
1488 "The Citadel server will not terminate.\n"
1489                                                                 );
1490                                                 }
1491                                         }
1492                                 }
1493                                 break;
1494
1495                         case 87:
1496                                 network_config_management("listrecp",
1497                                         "Mailing list recipients");
1498                                 break;
1499
1500                         case 89:
1501                                 network_config_management("ignet_push_share",
1502                                         "Nodes with which we share this room");
1503                                 break;
1504
1505                         case 88:
1506                                 do_ignet_configuration();
1507                                 break;
1508
1509                         case 92:
1510                                 do_filterlist_configuration();
1511                                 break;
1512
1513                         case 6:
1514                                 if (rc_alt_semantics)
1515                                         updatelsa();
1516                                 gotonext();
1517                                 break;
1518
1519                         case 3:
1520                                 chatmode();
1521                                 break;
1522
1523                         case 2:
1524                                 if (server_is_local) {
1525                                         screen_reset();
1526                                         sttybbs(SB_RESTORE);
1527                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
1528                                                  "exec ./subsystem %ld %d %d", fullname,
1529                                           usernum, screenwidth, axlevel);
1530                                         ka_system(aaa);
1531                                         sttybbs(SB_NO_INTR);
1532                                         screen_set();
1533                                 } else {
1534                                         scr_printf("*** Can't run doors when server is not local.\n");
1535                                 }
1536                                 break;
1537
1538                         case 17:
1539                                 who_is_online(0);
1540                                 break;
1541
1542                         case 79:
1543                                 who_is_online(1);
1544                                 break;
1545
1546             case 91:
1547                 who_is_online(2);
1548                 break;
1549
1550                         case 80:
1551                                 do_system_configuration();
1552                                 break;
1553
1554                         case 82:
1555                                 do_internet_configuration();
1556                                 break;
1557
1558                         case 83:
1559                                 check_message_base();
1560                                 break;
1561
1562                         case 84:
1563                                 quiet_mode();
1564                                 break;
1565
1566                         case 93:
1567                                 stealth_mode();
1568                                 break;
1569
1570                         case 50:
1571                                 enter_config(2);
1572                                 break;
1573
1574                         case 37:
1575                                 enter_config(0);
1576                                 set_floor_mode();
1577                                 break;
1578
1579                         case 59:
1580                                 enter_config(3);
1581                                 set_floor_mode();
1582                                 break;
1583
1584                         case 60:
1585                                 gotofloor(argbuf, GF_GOTO);
1586                                 break;
1587
1588                         case 61:
1589                                 gotofloor(argbuf, GF_SKIP);
1590                                 break;
1591
1592                         case 62:
1593                                 forget_this_floor();
1594                                 break;
1595
1596                         case 63:
1597                                 create_floor();
1598                                 break;
1599
1600                         case 64:
1601                                 edit_floor();
1602                                 break;
1603
1604                         case 65:
1605                                 kill_floor();
1606                                 break;
1607
1608                         case 66:
1609                                 enter_bio();
1610                                 break;
1611
1612                         case 67:
1613                                 read_bio();
1614                                 break;
1615
1616                         case 25:
1617                                 edituser();
1618                                 break;
1619
1620                         case 8:
1621                                 knrooms(floor_mode);
1622                                 scr_printf("\n");
1623                                 break;
1624
1625                         case 68:
1626                                 knrooms(2);
1627                                 scr_printf("\n");
1628                                 break;
1629
1630                         case 69:
1631                                 misc_server_cmd(argbuf);
1632                                 break;
1633
1634                         case 70:
1635                                 edit_system_message(argbuf);
1636                                 break;
1637
1638                         case 19:
1639                                 listzrooms();
1640                                 scr_printf("\n");
1641                                 break;
1642
1643                         case 51:
1644                                 deletefile();
1645                                 break;
1646
1647                         case 53:
1648                                 netsendfile();
1649                                 break;
1650
1651                         case 54:
1652                                 movefile();
1653                                 break;
1654
1655                         case 56:
1656                                 page_user();
1657                                 break;
1658
1659                         }       /* end switch */
1660         } while (termn8 == 0);
1661
1662 TERMN8: scr_printf("%s logged out.\n", fullname);
1663         while (march != NULL) {
1664                 remove_march(march->march_name, 0);
1665         }
1666         if (mcmd == 30) {
1667                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
1668         }
1669         CtdlIPCLogout();
1670         screen_delete();
1671         sttybbs(SB_RESTORE);
1672         if ((mcmd == 29) || (mcmd == 15)) {
1673                 formout("goodbye");
1674                 logoff(0);
1675         }
1676         goto GSTA;
1677
1678 }       /* end main() */