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 "serv_info.h"
  39 #include "routines.h"
  40 #include "routines2.h"
  41 #include "rooms.h"
  42 #include "messages.h"
  43 #include "commands.h"
  44 #include "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 struct march {
  59         struct march *next;
  60         char march_name[ROOMNAMELEN];
  61         char march_floor;
  62         char march_order;
  63         };
  64
  65 #define IFEXPERT if (userflags&US_EXPERT)
  66 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  67 #define IFAIDE if (axlevel>=6)
  68 #define IFNAIDE if (axlevel<6)
  69
  70 struct march *march = NULL;
  71
  72 /* globals associated with the client program */
  73 char temp[PATH_MAX];            /* Name of general temp file */
  74 char temp2[PATH_MAX];           /* Name of general temp file */
  75 char tempdir[PATH_MAX];         /* Name of general temp dir */
  76 char editor_path[SIZ];          /* path to external editor */
  77 char printcmd[SIZ];             /* print command */
  78 int editor_pid = (-1);
  79 char fullname[32];
  80 jmp_buf nextbuf;
  81 struct CtdlServInfo serv_info;  /* Info on the server connected */
  82 int screenwidth;
  83 int screenheight;
  84 unsigned room_flags;
  85 char room_name[ROOMNAMELEN];
  86 char *uglist[UGLISTLEN]; /* size of the ungoto list */
  87 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
  88 int uglistsize = 0;
  89 char is_mail = 0;               /* nonzero when we're in a mail room */
  90 char axlevel = 0;               /* access level */
  91 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
  92 int timescalled;
  93 int posted;
  94 unsigned userflags;
  95 long usernum = 0L;              /* user number */
  96 time_t lastcall = 0L;           /* Date/time of previous login */
  97 char newnow;
  98 long highest_msg_read;          /* used for <A>bandon room cmd */
  99 long maxmsgnum;                 /* used for <G>oto */
 100 char sigcaught = 0;
 101 char have_xterm = 0;            /* are we running on an xterm? */
 102 char rc_username[32];
 103 char rc_password[32];
 104 char hostbuf[SIZ];
 105 char portbuf[SIZ];
 106 char rc_floor_mode;
 107 char floor_mode;
 108 char curr_floor = 0;            /* number of current floor */
 109 char floorlist[128][SIZ];       /* names of floors */
 110 char express_msgs = 0;          /* express messages waiting! */
 111 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
 112 int secure;                     /* Set to nonzero when wire is encrypted */
 113
 114 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
 115 extern int next_lazy_cmd;
 116
 117 /*
 118  * here is our 'clean up gracefully and exit' routine
 119  */
 120 void logoff(int code)
 121 {
 122     int lp;
 123         if (editor_pid > 0) {   /* kill the editor if it's running */
 124                 kill(editor_pid, SIGHUP);
 125         }
 126
 127     /* Free the ungoto list */
 128     for (lp = 0; lp < uglistsize; lp++)
 129       free (uglist[lp]);
 130
 131 /* shut down the server... but not if the logoff code is 3, because
 132  * that means we're exiting because we already lost the server
 133  */
 134         if (code != 3)
 135                 serv_puts("QUIT");
 136
 137 /*
 138  * now clean up various things
 139  */
 140
 141         screen_delete();
 142
 143         unlink(temp);
 144         unlink(temp2);
 145         nukedir(tempdir);
 146
 147         /* Violently kill off any child processes if Citadel is
 148          * the login shell.
 149          */
 150         if (getppid() == 1) {
 151                 kill(0 - getpgrp(), SIGTERM);
 152                 sleep(1);
 153                 kill(0 - getpgrp(), SIGKILL);
 154         }
 155         sttybbs(SB_RESTORE);    /* return the old terminal settings */
 156         exit(code);             /* exit with the proper exit code */
 157 }
 158
 159
 160
 161 /*
 162  * signal catching function for hangups...
 163  */
 164 void dropcarr(int signum)
 165 {
 166         logoff(SIGHUP);
 167 }
 168
 169
 170
 171 /*
 172  * catch SIGCONT to reset terminal modes when were are put back into the
 173  * foreground.
 174  */
 175 void catch_sigcont(int signum)
 176 {
 177         sttybbs(SB_LAST);
 178         signal(SIGCONT, catch_sigcont);
 179 }
 180
 181
 182
 183 /* general purpose routines */
 184
 185 void formout(char *name)
 186 {                               /* display a file */
 187         char cmd[SIZ];
 188         snprintf(cmd, sizeof cmd, "MESG %s", name);
 189         serv_puts(cmd);
 190         serv_gets(cmd);
 191         if (cmd[0] != '1') {
 192                 scr_printf("%s\n", &cmd[4]);
 193                 return;
 194         }
 195         fmout(screenwidth, NULL, NULL,
 196               ((userflags & US_PAGINATOR) ? 1 : 0),
 197               screenheight, 1, 1);
 198 }
 199
 200
 201 void userlist(char *patn)
 202 {
 203         char buf[SIZ];
 204         char fl[SIZ];
 205         struct tm *tmbuf;
 206         time_t lc;
 207
 208         serv_puts("LIST");
 209         serv_gets(buf);
 210         if (buf[0] != '1') {
 211                 pprintf("%s\n", &buf[4]);
 212                 return;
 213         }
 214         pprintf("       User Name           Num  L  LastCall  Calls Posts\n");
 215         pprintf("------------------------- ----- - ---------- ----- -----\n");
 216         while (serv_gets(buf), strcmp(buf, "000")) {
 217                 if (sigcaught == 0) {
 218                     extract(fl, buf, 0);
 219                     if (pattern(fl, patn) >= 0) {
 220                         pprintf("%-25s ", fl);
 221                         pprintf("%5ld %d ", extract_long(buf, 2),
 222                                extract_int(buf, 1));
 223                         lc = extract_long(buf, 3);
 224                         tmbuf = (struct tm *) localtime(&lc);
 225                         pprintf("%02d/%02d/%04d ",
 226                                (tmbuf->tm_mon + 1),
 227                                tmbuf->tm_mday,
 228                                (tmbuf->tm_year + 1900));
 229                         pprintf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
 230                     }
 231
 232                 }
 233         }
 234         pprintf("\n");
 235 }
 236
 237
 238 /*
 239  * grab assorted info about the user...
 240  */
 241 void load_user_info(char *params)
 242 {
 243         extract(fullname, params, 0);
 244         axlevel = extract_int(params, 1);
 245         timescalled = extract_int(params, 2);
 246         posted = extract_int(params, 3);
 247         userflags = extract_int(params, 4);
 248         usernum = extract_long(params, 5);
 249         lastcall = extract_long(params, 6);
 250 }
 251
 252
 253 /*
 254  * Remove a room from the march list.  'floornum' is ignored unless
 255  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 256  * floor will be removed from the march list.
 257  */
 258 void remove_march(char *roomname, int floornum)
 259 {
 260         struct march *mptr, *mptr2;
 261
 262         if (march == NULL)
 263                 return;
 264
 265         if ((!strcasecmp(march->march_name, roomname))
 266             || ((!strcasecmp(roomname, "_FLOOR_")) && (march->march_floor == floornum))) {
 267                 mptr = march->next;
 268                 free(march);
 269                 march = mptr;
 270                 return;
 271         }
 272         mptr2 = march;
 273         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 274
 275                 if ((!strcasecmp(mptr->march_name, roomname))
 276                     || ((!strcasecmp(roomname, "_FLOOR_"))
 277                         && (mptr->march_floor == floornum))) {
 278
 279                         mptr2->next = mptr->next;
 280                         free(mptr);
 281                         mptr = mptr2;
 282                 } else {
 283                         mptr2 = mptr;
 284                 }
 285         }
 286 }
 287
 288
 289 /*
 290  * Locate the room on the march list which we most want to go to.  Each room
 291  * is measured given a "weight" of preference based on various factors.
 292  */
 293 char *pop_march(int desired_floor)
 294 {
 295         static char TheRoom[ROOMNAMELEN];
 296         int TheFloor = 0;
 297         int TheOrder = 32767;
 298         int TheWeight = 0;
 299         int weight;
 300         struct march *mptr = NULL;
 301
 302         strcpy(TheRoom, "_BASEROOM_");
 303         if (march == NULL)
 304                 return (TheRoom);
 305
 306         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 307                 weight = 0;
 308                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 309                         weight = weight + 10000;
 310                 if (mptr->march_floor == desired_floor)
 311                         weight = weight + 5000;
 312
 313                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 314                 weight = weight + (128 - (mptr->march_order));
 315
 316                 if (weight > TheWeight) {
 317                         TheWeight = weight;
 318                         strcpy(TheRoom, mptr->march_name);
 319                         TheFloor = mptr->march_floor;
 320                         TheOrder = mptr->march_order;
 321                 }
 322         }
 323         return (TheRoom);
 324 }
 325
 326
 327 /*
 328  * jump directly to a room
 329  */
 330 void dotgoto(char *towhere, int display_name, int fromungoto)
 331 {
 332         char aaa[SIZ], bbb[SIZ], psearch[SIZ];
 333         static long ls = 0L;
 334         int newmailcount = 0;
 335         int partial_match, best_match;
 336         char from_floor;
 337     int ugpos = uglistsize;
 338
 339         /* store ungoto information */
 340     if (fromungoto == 0)
 341       {
 342         if (uglistsize >= (UGLISTLEN-1))
 343           {  /* sloppy slide them all down, hey it's the client, who cares. :-) */
 344             int lp;
 345             free (uglist[0]);
 346             for (lp = 0; lp < (UGLISTLEN-1); lp++)
 347               {
 348                 uglist[lp] = uglist[lp+1];
 349                 uglistlsn[lp] = uglistlsn[lp+1];
 350               }
 351             ugpos--;
 352           }
 353         else
 354           uglistsize++;
 355
 356         uglist[ugpos] = malloc(strlen(room_name)+1);
 357         strcpy(uglist[ugpos], room_name);
 358         uglistlsn[ugpos] = ls;
 359       }
 360
 361         /* first try an exact match */
 362         snprintf(aaa, sizeof aaa, "GOTO %s", towhere);
 363         serv_puts(aaa);
 364         serv_gets(aaa);
 365         if (aaa[3] == '*')
 366                 express_msgs = 1;
 367         if (!strncmp(aaa, "54", 2)) {
 368                 newprompt("Enter room password: ", bbb, 9);
 369                 snprintf(aaa, sizeof aaa, "GOTO %s|%s", towhere, bbb);
 370                 serv_puts(aaa);
 371                 serv_gets(aaa);
 372                 if (aaa[3] == '*')
 373                         express_msgs = 1;
 374         }
 375         if (!strncmp(aaa, "54", 2)) {
 376                 scr_printf("Wrong password.\n");
 377                 return;
 378         }
 379         /*
 380          * If a match is not found, try a partial match.
 381          * Partial matches anywhere in the string carry a weight of 1,
 382          * left-aligned matches carry a weight of 2.  Pick the room that
 383          * has the highest-weighted match.
 384          */
 385         if (aaa[0] != '2') {
 386                 best_match = 0;
 387                 strcpy(bbb, "");
 388                 serv_puts("LKRA");
 389                 serv_gets(aaa);
 390                 if (aaa[0] == '1')
 391                         while (serv_gets(aaa), strcmp(aaa, "000")) {
 392                                 extract(psearch, aaa, 0);
 393                                 partial_match = 0;
 394                                 if (pattern(psearch, towhere) >= 0) {
 395                                         partial_match = 1;
 396                                 }
 397                                 if (!strncasecmp(towhere, psearch, strlen(towhere))) {
 398                                         partial_match = 2;
 399                                 }
 400                                 if (partial_match > best_match) {
 401                                         strcpy(bbb, psearch);
 402                                         best_match = partial_match;
 403                                 }
 404                         }
 405                 if (strlen(bbb) == 0) {
 406                         scr_printf("No room '%s'.\n", towhere);
 407                         return;
 408                 }
 409                 snprintf(aaa, sizeof aaa, "GOTO %s", bbb);
 410                 serv_puts(aaa);
 411                 serv_gets(aaa);
 412                 if (aaa[3] == '*')
 413                         express_msgs = 1;
 414         }
 415         if (aaa[0] != '2') {
 416                 scr_printf("%s\n", aaa);
 417                 return;
 418         }
 419         extract(room_name, &aaa[4], 0);
 420         room_flags = extract_int(&aaa[4], 4);
 421         from_floor = curr_floor;
 422         curr_floor = extract_int(&aaa[4], 10);
 423
 424         remove_march(room_name, 0);
 425         if (!strcasecmp(towhere, "_BASEROOM_"))
 426                 remove_march(towhere, 0);
 427         if (!extract_int(&aaa[4], 1))
 428                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
 429         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 430                 if (floorlist[(int) curr_floor][0] == 0)
 431                         load_floorlist();
 432                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 433         }
 434         if (display_name == 1) {
 435                 color(BRIGHT_WHITE);
 436                 scr_printf("%s ", room_name);
 437                 color(DIM_WHITE);
 438                 scr_printf("- ");
 439         }
 440         if (display_name != 2) {
 441                 color(BRIGHT_YELLOW);
 442                 scr_printf("%d ", extract_int(&aaa[4], 1));
 443                 color(DIM_WHITE);
 444                 scr_printf("new of ");
 445                 color(BRIGHT_YELLOW);
 446                 scr_printf("%d ", extract_int(&aaa[4], 2));
 447                 color(DIM_WHITE);
 448                 scr_printf("messages.\n");
 449         }
 450         highest_msg_read = extract_int(&aaa[4], 6);
 451         maxmsgnum = extract_int(&aaa[4], 5);
 452         is_mail = (char) extract_int(&aaa[4], 7);
 453         is_room_aide = (char) extract_int(&aaa[4], 8);
 454         ls = extract_long(&aaa[4], 6);
 455
 456         /* read info file if necessary */
 457         if (extract_int(&aaa[4], 3) > 0)
 458                 readinfo();
 459
 460         /* check for newly arrived mail if we can */
 461         if (num_parms(&aaa[4]) >= 10) {
 462                 newmailcount = extract_int(&aaa[4], 9);
 463                 if (newmailcount > 0) {
 464                         color(BRIGHT_RED);
 465                         scr_printf("*** You have %d new mail message%s\n",
 466                                         newmailcount - oldmailcount,
 467                                         (newmailcount - oldmailcount == 1) ?
 468                                         "" : "s");
 469                         color(DIM_WHITE);
 470                 }
 471                 status_line(serv_info.serv_humannode, serv_info.serv_bbs_city,
 472                                 room_name, secure, newmailcount);
 473         } else {
 474                 status_line(serv_info.serv_humannode, serv_info.serv_bbs_city,
 475                                 room_name, secure, -1);
 476         }
 477 }
 478
 479 /* Goto next room having unread messages.
 480  * We want to skip over rooms that the user has already been to, and take the
 481  * user back to the lobby when done.  The room we end up in is placed in
 482  * newroom - which is set to 0 (the lobby) initially.
 483  */
 484 void gotonext(void)
 485 {
 486         char buf[SIZ];
 487         struct march *mptr, *mptr2;
 488         char next_room[ROOMNAMELEN];
 489
 490         /* Check to see if the march-mode list is already allocated.
 491          * If it is, pop the first room off the list and go there.
 492          */
 493         if (march == NULL) {
 494                 serv_puts("LKRN");
 495                 serv_gets(buf);
 496                 if (buf[0] == '1')
 497                         while (serv_gets(buf), strcmp(buf, "000")) {
 498                                 mptr = (struct march *) malloc(sizeof(struct march));
 499                                 mptr->next = NULL;
 500                                 extract(mptr->march_name, buf, 0);
 501                                 mptr->march_floor = (char) (extract_int(buf, 2) & 0x7F);
 502                                 mptr->march_order = (char) (extract_int(buf, 3) & 0x7F);
 503                                 if (march == NULL) {
 504                                         march = mptr;
 505                                 } else {
 506                                         mptr2 = march;
 507                                         while (mptr2->next != NULL)
 508                                                 mptr2 = mptr2->next;
 509                                         mptr2->next = mptr;
 510                                 }
 511                         }
 512 /* add _BASEROOM_ to the end of the march list, so the user will end up
 513  * in the system base room (usually the Lobby>) at the end of the loop
 514  */
 515                 mptr = (struct march *) malloc(sizeof(struct march));
 516                 mptr->next = NULL;
 517                 strcpy(mptr->march_name, "_BASEROOM_");
 518                 if (march == NULL) {
 519                         march = mptr;
 520                 } else {
 521                         mptr2 = march;
 522                         while (mptr2->next != NULL)
 523                                 mptr2 = mptr2->next;
 524                         mptr2->next = mptr;
 525                 }
 526 /*
 527  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 528  * walk around in circles
 529  */
 530                 remove_march(room_name, 0);
 531         }
 532         if (march != NULL) {
 533                 strcpy(next_room, pop_march(curr_floor));
 534         } else {
 535                 strcpy(next_room, "_BASEROOM_");
 536         }
 537         remove_march(next_room, 0);
 538         dotgoto(next_room, 1, 0);
 539 }
 540
 541 /*
 542  * forget all rooms on a given floor
 543  */
 544 void forget_all_rooms_on(int ffloor)
 545 {
 546         char buf[SIZ];
 547         struct march *flist, *fptr;
 548
 549         scr_printf("Forgetting all rooms on %s...\r", &floorlist[ffloor][0]);
 550         scr_flush();
 551         snprintf(buf, sizeof buf, "LKRA %d", ffloor);
 552         serv_puts(buf);
 553         serv_gets(buf);
 554         if (buf[0] != '1') {
 555                 scr_printf("%-72s\n", &buf[4]);
 556                 return;
 557         }
 558         flist = NULL;
 559         while (serv_gets(buf), strcmp(buf, "000")) {
 560                 fptr = (struct march *) malloc(sizeof(struct march));
 561                 fptr->next = flist;
 562                 flist = fptr;
 563                 extract(fptr->march_name, buf, 0);
 564         }
 565         while (flist != NULL) {
 566                 snprintf(buf, sizeof buf, "GOTO %s", flist->march_name);
 567                 serv_puts(buf);
 568                 serv_gets(buf);
 569                 if (buf[0] == '2') {
 570                         serv_puts("FORG");
 571                         serv_gets(buf);
 572                 }
 573                 fptr = flist;
 574                 flist = flist->next;
 575                 free(fptr);
 576         }
 577         scr_printf("%-72s\r", "");
 578 }
 579
 580
 581 /*
 582  * routine called by gotofloor() to move to a new room on a new floor
 583  */
 584 void gf_toroom(char *towhere, int mode)
 585 {
 586         int floor_being_left;
 587
 588         floor_being_left = curr_floor;
 589
 590         if (mode == GF_GOTO) {  /* <;G>oto mode */
 591                 updatels();
 592                 dotgoto(towhere, 1, 0);
 593         }
 594         if (mode == GF_SKIP) {  /* <;S>kip mode */
 595                 dotgoto(towhere, 1, 0);
 596                 remove_march("_FLOOR_", floor_being_left);
 597         }
 598         if (mode == GF_ZAP) {   /* <;Z>ap mode */
 599                 dotgoto(towhere, 1, 0);
 600                 remove_march("_FLOOR_", floor_being_left);
 601                 forget_all_rooms_on(floor_being_left);
 602         }
 603 }
 604
 605
 606 /*
 607  * go to a new floor
 608  */
 609 void gotofloor(char *towhere, int mode)
 610 {
 611         int a, tofloor;
 612         struct march *mptr;
 613         char buf[SIZ], targ[SIZ];
 614
 615         if (floorlist[0][0] == 0)
 616                 load_floorlist();
 617         tofloor = (-1);
 618         for (a = 0; a < 128; ++a)
 619                 if (!strcasecmp(&floorlist[a][0], towhere))
 620                         tofloor = a;
 621
 622         if (tofloor < 0) {
 623                 for (a = 0; a < 128; ++a) {
 624                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 625                                 tofloor = a;
 626                         }
 627                 }
 628         }
 629         if (tofloor < 0) {
 630                 for (a = 0; a < 128; ++a)
 631                         if (pattern(towhere, &floorlist[a][0]) > 0)
 632                                 tofloor = a;
 633         }
 634         if (tofloor < 0) {
 635                 scr_printf("No floor '%s'.\n", towhere);
 636                 return;
 637         }
 638         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 639                 if ((mptr->march_floor) == tofloor)
 640                         gf_toroom(mptr->march_name, mode);
 641                 return;
 642         }
 643
 644         strcpy(targ, "");
 645         snprintf(buf, sizeof buf, "LKRA %d", tofloor);
 646         serv_puts(buf);
 647         serv_gets(buf);
 648         if (buf[0] == '1')
 649                 while (serv_gets(buf), strcmp(buf, "000")) {
 650                         if ((extract_int(buf, 2) == tofloor) && (strlen(targ) == 0))
 651                                 extract(targ, buf, 0);
 652                 }
 653         if (strlen(targ) > 0) {
 654                 gf_toroom(targ, mode);
 655         } else {
 656                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 657         }
 658 }
 659
 660
 661 /*
 662  * forget all rooms on current floor
 663  */
 664 void forget_this_floor(void)
 665 {
 666
 667         if (curr_floor == 0) {
 668                 scr_printf("Can't forget this floor.\n");
 669                 return;
 670         }
 671         if (floorlist[0][0] == 0)
 672                 load_floorlist();
 673         scr_printf("Are you sure you want to forget all rooms on %s? ",
 674                &floorlist[(int) curr_floor][0]);
 675         if (yesno() == 0)
 676                 return;
 677
 678         gf_toroom("_BASEROOM_", GF_ZAP);
 679 }
 680
 681
 682 /*
 683  * Figure out the physical screen dimensions, if we can
 684  * WARNING:  this is now called from a signal handler!
 685  */
 686 void check_screen_dims(void)
 687 {
 688 #ifdef TIOCGWINSZ
 689         struct {
 690                 unsigned short height;  /* rows */
 691                 unsigned short width;   /* columns */
 692                 unsigned short xpixels;
 693                 unsigned short ypixels;         /* pixels */
 694         } xwinsz;
 695
 696         if (have_xterm) {       /* dynamically size screen if on an xterm */
 697                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
 698                         if (xwinsz.height)
 699                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
 700                         if (xwinsz.width)
 701                                 screenwidth = (int) xwinsz.width;
 702                 }
 703         }
 704 #endif
 705 }
 706
 707
 708 /*
 709  * set floor mode depending on client, server, and user settings
 710  */
 711 void set_floor_mode(void)
 712 {
 713         if (serv_info.serv_ok_floors == 0) {
 714                 floor_mode = 0; /* Don't use floors if the server */
 715         }
 716         /* doesn't support them!          */
 717         else {
 718                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 719                         floor_mode = 0;
 720                 }
 721                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 722                         floor_mode = 1;
 723                 }
 724                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 725                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 726                 }
 727         }
 728 }
 729
 730 /*
 731  * Set or change the user's password
 732  */
 733 int set_password(void)
 734 {
 735         char pass1[20];
 736         char pass2[20];
 737         char buf[SIZ];
 738
 739         if (strlen(rc_password) > 0) {
 740                 strcpy(pass1, rc_password);
 741                 strcpy(pass2, rc_password);
 742         } else {
 743                 IFNEXPERT formout("changepw");
 744                 newprompt("Enter a new password: ", pass1, -19);
 745                 newprompt("Enter it again to confirm: ", pass2, -19);
 746         }
 747         strproc(pass1);
 748         strproc(pass2);
 749         if (!strcasecmp(pass1, pass2)) {
 750                 snprintf(buf, sizeof buf, "SETP %s", pass1);
 751                 serv_puts(buf);
 752                 serv_gets(buf);
 753                 scr_printf("%s\n", &buf[4]);
 754                 offer_to_remember_password(hostbuf, portbuf, fullname, pass1);
 755                 return (0);
 756         } else {
 757                 scr_printf("*** They don't match... try again.\n");
 758                 return (1);
 759         }
 760 }
 761
 762
 763
 764 /*
 765  * get info about the server we've connected to
 766  */
 767 void get_serv_info(char *supplied_hostname)
 768 {
 769         char buf[512];
 770
 771         CtdlInternalGetServInfo(&serv_info);
 772
 773         /* be nice and identify ourself to the server */
 774         snprintf(buf, sizeof buf, "IDEN %d|%d|%d|%s|",
 775                  SERVER_TYPE, 0, REV_LEVEL,
 776                  (server_is_local ? "local" : CITADEL));
 777
 778         /* Append a hostname */
 779         if (supplied_hostname != NULL) {
 780                 strcat(buf, supplied_hostname);
 781         }
 782         else {
 783                 locate_host(&buf[strlen(buf)]); /* append to the end */
 784         }
 785
 786         serv_puts(buf);
 787         serv_gets(buf);         /* we don't care about the result code */
 788 }
 789
 790
 791
 792
 793
 794 /*
 795  * Display list of users currently logged on to the server
 796  */
 797 void who_is_online(int longlist)
 798 {
 799         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
 800         char flags[SIZ];
 801         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
 802         char tbuf[SIZ], clientsoft[SIZ];
 803         time_t timenow = 0;
 804         time_t idletime, idlehours, idlemins, idlesecs;
 805         int last_session = (-1);
 806     int skipidle = 0;
 807
 808     if (longlist == 2)
 809       {
 810         longlist = 0;
 811         skipidle = 1;
 812       }
 813
 814         serv_puts("TIME");
 815         serv_gets(tbuf);
 816         if (tbuf[0] == '2') {
 817                 timenow = extract_long(&tbuf[4], 0);
 818         }
 819         else {
 820                 time(&timenow);
 821         }
 822
 823         if (!longlist) {
 824                 color(BRIGHT_WHITE);
 825                 pprintf("FLG ###        User Name                 Room                 From host\n");
 826                 color(DIM_WHITE);
 827                 pprintf("--- --- ------------------------- -------------------- ------------------------\n");
 828         }
 829         serv_puts("RWHO");
 830         serv_gets(buf);
 831         if (buf[0] == '1') {
 832                 while (serv_gets(buf), strcmp(buf, "000")) {
 833                 int isidle = 0;
 834                         extract(username, buf, 1);
 835                         extract(roomname, buf, 2);
 836                         extract(fromhost, buf, 3);
 837                         extract(clientsoft, buf, 4);
 838                         extract(flags, buf, 7);
 839
 840                         idletime = timenow - extract_long(buf, 5);
 841                         idlehours = idletime / 3600;
 842                         idlemins = (idletime - (idlehours * 3600)) / 60;
 843                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
 844
 845                         if (idletime > rc_idle_threshold) {
 846                                 while (strlen(roomname) < 20) {
 847                                         strcat(roomname, " ");
 848                                 }
 849                                 strcpy(&roomname[14], "[idle]");
 850                         if (skipidle)
 851                   isidle = 1;
 852                         }
 853
 854                         if (longlist) {
 855
 856                                 extract(actual_user, buf, 8);
 857                                 extract(actual_room, buf, 9);
 858                                 extract(actual_host, buf, 10);
 859
 860                                 pprintf("  Flags: %s\n", flags);
 861                                 pprintf("Session: %d\n", extract_int(buf, 0));
 862                                 pprintf("   Name: %s\n", username);
 863                                 pprintf("In room: %s\n", roomname);
 864                                 pprintf("   Host: %s\n", fromhost);
 865                                 pprintf(" Client: %s\n", clientsoft);
 866                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
 867                                         (long) idlehours,
 868                                         (long) idlemins,
 869                                         (long) idlesecs);
 870
 871                                 if ( (strlen(actual_user)+strlen(actual_room)+strlen(actual_host)) > 0) {
 872                                         pprintf("(really ");
 873                                         if (strlen(actual_user)>0) pprintf("<%s> ", actual_user);
 874                                         if (strlen(actual_room)>0) pprintf("in <%s> ", actual_room);
 875                                         if (strlen(actual_host)>0) pprintf("from <%s> ", actual_host);
 876                                         pprintf(")\n");
 877                                 }
 878                                 pprintf("\n");
 879
 880                         } else {
 881                     if (isidle == 0) {
 882                                 if (extract_int(buf, 0) == last_session) {
 883                                         pprintf("        ");
 884                                 } else {
 885                                         color(BRIGHT_MAGENTA);
 886                                         pprintf("%-3s ", flags);
 887                                         color(DIM_WHITE);
 888                                         pprintf("%-3d ", extract_int(buf, 0));
 889                                 }
 890                                 last_session = extract_int(buf, 0);
 891                                 color(BRIGHT_CYAN);
 892                                 pprintf("%-25s ", username);
 893                                 color(BRIGHT_MAGENTA);
 894                                 roomname[20] = 0;
 895                                 pprintf("%-20s ", roomname);
 896                                 color(BRIGHT_CYAN);
 897                                 fromhost[24] = '\0';
 898                                 pprintf("%-24s\n", fromhost);
 899                                 color(DIM_WHITE);
 900                         }
 901                         }
 902                 }
 903         }
 904 }
 905
 906 void enternew(char *desc, char *buf, int maxlen)
 907 {
 908         char bbb[128];
 909         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 910         newprompt(bbb, buf, maxlen);
 911 }
 912
 913
 914
 915 int shift(int argc, char **argv, int start, int count) {
 916         int i;
 917
 918         for (i=start; i<(argc-count); ++i) {
 919                 argv[i] = argv[i+count];
 920         }
 921         argc = argc - count;
 922         return argc;
 923 }
 924
 925 static void statusHook(char *s) {
 926         sln_printf(s);
 927         sln_flush();
 928 }
 929
 930 /*
 931  * main
 932  */
 933 int main(int argc, char **argv)
 934 {
 935         int a, b, mcmd;
 936         char aaa[100], bbb[100];/* general purpose variables */
 937         char argbuf[32];        /* command line buf */
 938         char nonce[NONCE_SIZE];
 939         char *telnet_client_host = NULL;
 940         char *sptr, *sptr2;     /* USed to extract the nonce */
 941         char hexstring[MD5_HEXSTRING_SIZE];
 942         int stored_password = 0;
 943         char password[SIZ];
 944
 945         setIPCDeathHook(screen_delete);
 946         setIPCErrorPrintf(err_printf);
 947         setCryptoStatusHook(statusHook);
 948
 949         /* Permissions sanity check - don't run citadel setuid/setgid */
 950         if (getuid() != geteuid()) {
 951                 err_printf("Please do not run citadel setuid!\n");
 952                 logoff(3);
 953         } else if (getgid() != getegid()) {
 954                 err_printf("Please do not run citadel setgid!\n");
 955                 logoff(3);
 956         }
 957
 958         sttybbs(SB_SAVE);       /* Store the old terminal parameters */
 959         load_command_set();     /* parse the citadel.rc file */
 960         sttybbs(SB_NO_INTR);    /* Install the new ones */
 961         signal(SIGHUP, dropcarr);       /* Cleanup gracefully if carrier is dropped */
 962         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
 963         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
 964 #ifdef SIGWINCH
 965         signal(SIGWINCH, scr_winch);    /* Window resize signal */
 966 #endif
 967
 968 #ifdef HAVE_OPENSSL
 969         arg_encrypt = RC_DEFAULT;
 970 #endif
 971 #ifdef HAVE_CURSES_H
 972         arg_screen = RC_DEFAULT;
 973 #endif
 974
 975         /*
 976          * Handle command line options as if we were called like /bin/login
 977          * (i.e. from in.telnetd)
 978          */
 979         for (a=0; a<argc; ++a) {
 980                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
 981                         telnet_client_host = argv[a+1];
 982                         argc = shift(argc, argv, a, 2);
 983                 }
 984                 if (!strcmp(argv[a], "-x")) {
 985 #ifdef HAVE_OPENSSL
 986                         arg_encrypt = RC_NO;
 987 #endif
 988                         argc = shift(argc, argv, a, 1);
 989                 }
 990                 if (!strcmp(argv[a], "-X")) {
 991 #ifdef HAVE_OPENSSL
 992                         arg_encrypt = RC_YES;
 993                         argc = shift(argc, argv, a, 1);
 994 #else
 995                         fprintf(stderr, "Not compiled with encryption support");
 996                         return 1;
 997 #endif
 998                 }
 999                 if (!strcmp(argv[a], "-s")) {
1000 #ifdef HAVE_CURSES_H
1001                         arg_screen = RC_NO;
1002 #endif
1003                         argc = shift(argc, argv, a, 1);
1004                 }
1005                 if (!strcmp(argv[a], "-S")) {
1006 #ifdef HAVE_CURSES_H
1007                         arg_screen = RC_YES;
1008 #endif
1009                         argc = shift(argc, argv, a, 1);
1010                 }
1011                 if (!strcmp(argv[a], "-p")) {
1012                         struct stat st;
1013
1014                         if (chdir(BBSDIR) < 0) {
1015                                 perror("can't change to " BBSDIR);
1016                                 logoff(3);
1017                         }
1018
1019                         /*
1020                          * Drop privileges if necessary. We stat
1021                          * citadel.config to get the uid/gid since it's
1022                          * guaranteed to have the uid/gid we want.
1023                          */
1024                         if (!getuid() || !getgid()) {
1025                                 if (stat(BBSDIR "/citadel.config", &st) < 0) {
1026                                         perror("couldn't stat citadel.config");
1027                                         logoff(3);
1028                                 }
1029                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1030                                         perror("couldn't change gid");
1031                                         logoff(3);
1032                                 }
1033                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1034                                         perror("couldn't change uid");
1035                                         logoff(3);
1036                                 }
1037                                 /*
1038                                 scr_printf("Privileges changed to uid %d gid %d\n",
1039                                                 getuid(), getgid());
1040                                 */
1041                         }
1042                         argc = shift(argc, argv, a, 1);
1043                 }
1044         }
1045
1046         screen_new();
1047
1048         sln_printf("Attaching to server... \r");
1049         sln_flush();
1050         attach_to_server(argc, argv, hostbuf, portbuf);
1051
1052         serv_gets(aaa);
1053         if (aaa[0] != '2') {
1054                 scr_printf("%s\n", &aaa[4]);
1055                 logoff(atoi(aaa));
1056         }
1057
1058 /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1059  * is zeroized.
1060  */
1061
1062         if ((sptr = strchr(aaa, '<')) == NULL)
1063         {
1064            nonce[0] = '\0';
1065         }
1066         else
1067         {
1068            if ((sptr2 = strchr(sptr, '>')) == NULL)
1069            {
1070               nonce[0] = '\0';
1071            }
1072            else
1073            {
1074               sptr2++;
1075               *sptr2 = '\0';
1076               strncpy(nonce, sptr, NONCE_SIZE);
1077            }
1078         }
1079
1080         get_serv_info(telnet_client_host);
1081
1082         scr_printf("%-24s\n%s\n%s\n", serv_info.serv_software, serv_info.serv_humannode,
1083                 serv_info.serv_bbs_city);
1084         scr_flush();
1085
1086         secure = starttls();
1087         status_line(serv_info.serv_humannode, serv_info.serv_bbs_city, NULL,
1088                         secure, -1);
1089
1090         screenwidth = 80;       /* default screen dimensions */
1091         screenheight = 24;
1092
1093         scr_printf(" pause    next    stop\n");
1094         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1095         formout("hello");       /* print the opening greeting */
1096         scr_printf("\n");
1097
1098 GSTA:   /* See if we have a username and password on disk */
1099         if (rc_remember_passwords) {
1100                 get_stored_password(hostbuf, portbuf, fullname, password);
1101                 if (strlen(fullname) > 0) {
1102                         snprintf(aaa, sizeof(aaa)-1, "USER %s", fullname);
1103                         serv_puts(aaa);
1104                         serv_gets(aaa);
1105                         if (nonce[0])
1106                         {
1107                                 snprintf(aaa, sizeof aaa, "PAS2 %s", make_apop_string(password, nonce, hexstring, sizeof hexstring));
1108                         }
1109                         else    /* Else no APOP */
1110                         {
1111                                 snprintf(aaa, sizeof(aaa)-1, "PASS %s", password);
1112                         }
1113
1114                         serv_puts(aaa);
1115                         serv_gets(aaa);
1116                         if (aaa[0] == '2') {
1117                                 load_user_info(&aaa[4]);
1118                                 stored_password = 1;
1119                                 goto PWOK;
1120                         }
1121                         else {
1122                                 set_stored_password(hostbuf, portbuf, "", "");
1123                         }
1124                 }
1125         }
1126
1127         termn8 = 0;
1128         newnow = 0;
1129         do {
1130                 if (strlen(rc_username) > 0) {
1131                         strcpy(fullname, rc_username);
1132                 } else {
1133                         newprompt("Enter your name: ", fullname, 29);
1134                 }
1135                 strproc(fullname);
1136                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1137                         scr_printf("Please enter the name you wish to log in with.\n");
1138                 }
1139         } while (
1140                         (!strcasecmp(fullname, "bbs"))
1141                         || (!strcasecmp(fullname, "new"))
1142                         || (strlen(fullname) == 0));
1143
1144         if (!strcasecmp(fullname, "off")) {
1145                 mcmd = 29;
1146                 goto TERMN8;
1147         }
1148         /* sign on to the server */
1149         snprintf(aaa, sizeof aaa, "USER %s", fullname);
1150         serv_puts(aaa);
1151         serv_gets(aaa);
1152         if (aaa[0] != '3')
1153                 goto NEWUSR;
1154
1155         /* password authentication */
1156         if (strlen(rc_password) > 0) {
1157                 strcpy(password, rc_password);
1158         } else {
1159                 newprompt("\rPlease enter your password: ", password, -19);
1160         }
1161         strproc(password);
1162
1163         if (nonce[0])
1164         {
1165                 snprintf(aaa, sizeof aaa, "PAS2 %s", make_apop_string(password, nonce, hexstring, sizeof hexstring));
1166         }
1167         else    /* Else no APOP */
1168         {
1169                 snprintf(aaa, sizeof aaa, "PASS %s", password);
1170         }
1171
1172         serv_puts(aaa);
1173         serv_gets(aaa);
1174         if (aaa[0] == '2') {
1175                 load_user_info(&aaa[4]);
1176                 offer_to_remember_password(hostbuf, portbuf,
1177                                         fullname, password);
1178                 goto PWOK;
1179         }
1180         scr_printf("<< wrong password >>\n");
1181         if (strlen(rc_password) > 0)
1182                 logoff(0);
1183         goto GSTA;
1184
1185 NEWUSR: if (strlen(rc_password) == 0) {
1186                 scr_printf("No record. Enter as new user? ");
1187                 if (yesno() == 0)
1188                         goto GSTA;
1189         }
1190         snprintf(aaa, sizeof aaa, "NEWU %s", fullname);
1191         serv_puts(aaa);
1192         serv_gets(aaa);
1193         if (aaa[0] != '2') {
1194                 scr_printf("%s\n", aaa);
1195                 goto GSTA;
1196         }
1197         load_user_info(&aaa[4]);
1198
1199         while (set_password() != 0);;
1200         newnow = 1;
1201
1202         enter_config(1);
1203
1204 PWOK:
1205         /* Switch color support on or off if we're in user mode */
1206         if (rc_ansi_color == 3) {
1207                 if (userflags & US_COLOR)
1208                         enable_color = 1;
1209                 else
1210                         enable_color = 0;
1211         }
1212
1213         scr_printf("%s\nAccess level: %d (%s)\n"
1214                 "User #%ld / Login #%d",
1215                 fullname, axlevel, axdefs[(int) axlevel],
1216                 usernum, timescalled);
1217         if (lastcall > 0L) {
1218                 scr_printf(" / Last login: %s\n",
1219                         asctime(localtime(&lastcall)) );
1220         }
1221         scr_printf("\n");
1222
1223         serv_puts("CHEK");
1224         serv_gets(aaa);
1225         if (aaa[0] == '2') {
1226                 b = extract_int(&aaa[4], 0);
1227                 if (b > 0) {
1228                         color(BRIGHT_RED);
1229                         if (b == 1)
1230                                 scr_printf("*** You have a new private message in Mail>\n");
1231                         if (b > 1)
1232                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1233                         color(DIM_WHITE);
1234                 }
1235                 if ((axlevel >= 6) && (extract_int(&aaa[4], 2) > 0)) {
1236                         scr_printf("*** Users need validation\n");
1237                 }
1238                 if (extract_int(&aaa[4], 1) > 0) {
1239                         scr_printf("*** Please register.\n");
1240                         formout("register");
1241                         entregis();
1242                 }
1243         }
1244         /* Make up some temporary filenames for use in various parts of the
1245          * program.  Don't mess with these once they've been set, because we
1246          * will be unlinking them later on in the program and we don't
1247          * want to delete something that we didn't create. */
1248         snprintf(temp, sizeof temp, tmpnam(NULL));
1249         snprintf(temp2, sizeof temp2, tmpnam(NULL));
1250         snprintf(tempdir, sizeof tempdir, tmpnam(NULL));
1251
1252         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1253          * we try to get the user's actual screen dimensions off the server.
1254          * However, if we're running on an xterm, all this stuff is
1255          * irrelevant because we're going to dynamically size the screen
1256          * during the session.
1257          */
1258         screenwidth = 80;
1259         screenheight = 24;
1260         serv_puts("GETU");
1261         serv_gets(aaa);
1262         if (aaa[0] == '2') {
1263                 screenwidth = extract_int(&aaa[4], 0);
1264                 screenheight = extract_int(&aaa[4], 1);
1265         }
1266         if (getenv("TERM") != NULL)
1267                 if (!strcmp(getenv("TERM"), "xterm")) {
1268                         have_xterm = 1;
1269                 }
1270 #ifdef TIOCGWINSZ
1271         check_screen_dims();
1272 #endif
1273
1274         set_floor_mode();
1275
1276
1277         /* Enter the lobby */
1278         dotgoto("_BASEROOM_", 1, 0);
1279
1280 /* Main loop for the system... user is logged in. */
1281     uglistsize = 0;
1282
1283         if (newnow == 1)
1284                 readmsgs(3, 1, 5);
1285         else
1286                 readmsgs(1, 1, 0);
1287
1288         /* MAIN COMMAND LOOP */
1289         do {
1290                 mcmd = getcmd(argbuf);          /* Get keyboard command */
1291
1292 #ifdef TIOCGWINSZ
1293                 check_screen_dims();            /* if xterm, get screen size */
1294 #endif
1295
1296                 if (termn8 == 0)
1297                         switch (mcmd) {
1298                         case 1:
1299                                 formout("help");
1300                                 break;
1301                         case 4:
1302                                 entmsg(0, 0);
1303                                 break;
1304                         case 36:
1305                                 entmsg(0, 1);
1306                                 break;
1307                         case 46:
1308                                 entmsg(0, 2);
1309                                 break;
1310                         case 78:
1311                                 newprompt("What do you want your username to be? ", aaa, 32);
1312                                 snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1313                                 serv_puts(bbb);
1314                                 serv_gets(aaa);
1315                                 if (strncmp("200", aaa, 3))
1316                                         scr_printf("\n%s\n", aaa);
1317                                 else
1318                                         entmsg(0, 0);
1319                                 break;
1320                         case 5:
1321                                 updatels();
1322                                 gotonext();
1323                                 break;
1324                         case 47:
1325                                 if (!rc_alt_semantics)
1326                                         updatelsa();
1327                                 gotonext();
1328                                 break;
1329                         case 90:
1330                                 if (!rc_alt_semantics)
1331                                         updatelsa();
1332                                 dotgoto(argbuf, 0, 0);
1333                                 break;
1334                         case 58:
1335                                 updatelsa();
1336                                 dotgoto("_MAIL_", 1, 0);
1337                                 break;
1338                         case 20:
1339                                 updatels();
1340                                 dotgoto(argbuf, 0, 0);
1341                                 break;
1342                         case 52:
1343                                 if (rc_alt_semantics)
1344                                         updatelsa();
1345                                 dotgoto(argbuf, 0, 0);
1346                                 break;
1347                         case 10:
1348                                 readmsgs(0, 1, 0);
1349                                 break;
1350                         case 9:
1351                                 readmsgs(3, 1, 5);
1352                                 break;
1353                         case 13:
1354                                 readmsgs(1, 1, 0);
1355                                 break;
1356                         case 11:
1357                                 readmsgs(0, (-1), 0);
1358                                 break;
1359                         case 12:
1360                                 readmsgs(2, (-1), 0);
1361                                 break;
1362                         case 71:
1363                                 readmsgs(3, 1, atoi(argbuf));
1364                                 break;
1365                         case 7:
1366                                 forget();
1367                                 break;
1368                         case 18:
1369                                 subshell();
1370                                 break;
1371                         case 38:
1372                                 updatels();
1373                                 entroom();
1374                                 break;
1375                         case 22:
1376                                 killroom();
1377                                 break;
1378                         case 32:
1379                                 userlist(argbuf);
1380                                 break;
1381                         case 27:
1382                                 invite();
1383                                 break;
1384                         case 28:
1385                                 kickout();
1386                                 break;
1387                         case 23:
1388                                 editthisroom();
1389                                 break;
1390                         case 14:
1391                                 roomdir();
1392                                 break;
1393                         case 33:
1394                                 download(0);
1395                                 break;
1396                         case 34:
1397                                 download(1);
1398                                 break;
1399                         case 31:
1400                                 download(2);
1401                                 break;
1402                         case 43:
1403                                 download(3);
1404                                 break;
1405                         case 45:
1406                                 download(4);
1407                                 break;
1408                         case 55:
1409                                 download(5);
1410                                 break;
1411                         case 39:
1412                                 upload(0);
1413                                 break;
1414                         case 40:
1415                                 upload(1);
1416                                 break;
1417                         case 42:
1418                                 upload(2);
1419                                 break;
1420                         case 44:
1421                                 upload(3);
1422                                 break;
1423                         case 57:
1424                                 cli_upload();
1425                                 break;
1426                         case 16:
1427                                 ungoto();
1428                                 break;
1429                         case 24:
1430                                 whoknows();
1431                                 break;
1432                         case 26:
1433                                 validate();
1434                                 break;
1435                         case 29:
1436                                 if (!rc_alt_semantics)
1437                                         updatels();
1438                                 termn8 = 1;
1439                                 break;
1440                         case 30:
1441                                 if (!rc_alt_semantics)
1442                                         updatels();
1443                                 termn8 = 1;
1444                                 break;
1445                         case 48:
1446                                 enterinfo();
1447                                 break;
1448                         case 49:
1449                                 readinfo();
1450                                 break;
1451                         case 72:
1452                                 cli_image_upload("_userpic_");
1453                                 break;
1454                         case 73:
1455                                 cli_image_upload("_roompic_");
1456                                 break;
1457
1458                         case 74:
1459                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1460                                 cli_image_upload(aaa);
1461                                 break;
1462
1463                         case 75:
1464                                 enternew("roomname", aaa, 20);
1465                                 snprintf(bbb, sizeof bbb, "RCHG %s", aaa);
1466                                 serv_puts(bbb);
1467                                 serv_gets(aaa);
1468                                 if (strncmp("200", aaa, 3))
1469                                         scr_printf("\n%s\n", aaa);
1470                                 break;
1471                         case 76:
1472                                 enternew("hostname", aaa, 25);
1473                                 snprintf(bbb, sizeof bbb, "HCHG %s", aaa);
1474                                 serv_puts(bbb);
1475                                 serv_gets(aaa);
1476                                 if (strncmp("200", aaa, 3))
1477                                         scr_printf("\n%s\n", aaa);
1478                                 break;
1479                         case 77:
1480                                 enternew("username", aaa, 32);
1481                                 snprintf(bbb, sizeof bbb, "UCHG %s", aaa);
1482                                 serv_puts(bbb);
1483                                 serv_gets(aaa);
1484                                 if (strncmp("200", aaa, 3))
1485                                         scr_printf("\n%s\n", aaa);
1486                                 break;
1487
1488                         case 35:
1489                                 set_password();
1490                                 break;
1491
1492                         case 21:
1493                                 if (argbuf[0] == 0)
1494                                         strcpy(aaa, "?");
1495                                 display_help(argbuf);
1496                                 break;
1497
1498                         case 41:
1499                                 formout("register");
1500                                 entregis();
1501                                 break;
1502
1503                         case 15:
1504                                 scr_printf("Are you sure (y/n)? ");
1505                                 if (yesno() == 1) {
1506                                         updatels();
1507                                         a = 0;
1508                                         termn8 = 1;
1509                                 }
1510                                 break;
1511
1512                         case 85:
1513                                 scr_printf("All users will be disconnected!  "
1514                                         "Really terminate the server? ");
1515                                 if (yesno() == 1) {
1516                                         serv_puts("DOWN");
1517                                         serv_gets(aaa);
1518                                         scr_printf("%s\n", &aaa[4]);
1519                                         if (aaa[0]=='2') {
1520                                                 updatels();
1521                                                 a = 0;
1522                                                 termn8 = 1;
1523                                         }
1524                                 }
1525                                 break;
1526
1527                         case 86:
1528                                 scr_printf("Do you really want to schedule a "
1529                                         "server shutdown? ");
1530                                 if (yesno() == 1) {
1531                                         serv_puts("SCDN 1");
1532                                         serv_gets(aaa);
1533                                         if (aaa[0]=='2') {
1534                                                 if (atoi(&aaa[4])) {
1535                                                         scr_printf(
1536 "The Citadel server will terminate when all users are logged off.\n"
1537                                                                 );
1538                                                 }
1539                                                 else {
1540                                                         scr_printf(
1541 "The Citadel server will not terminate.\n"
1542                                                                 );
1543                                                 }
1544                                         }
1545                                 }
1546                                 break;
1547
1548                         case 87:
1549                                 network_config_management("listrecp",
1550                                         "Mailing list recipients");
1551                                 break;
1552
1553                         case 89:
1554                                 network_config_management("ignet_push_share",
1555                                         "Nodes with which we share this room");
1556                                 break;
1557
1558                         case 88:
1559                                 do_ignet_configuration();
1560                                 break;
1561
1562                         case 92:
1563                                 do_filterlist_configuration();
1564                                 break;
1565
1566                         case 6:
1567                                 if (rc_alt_semantics)
1568                                         updatelsa();
1569                                 gotonext();
1570                                 break;
1571
1572                         case 3:
1573                                 chatmode();
1574                                 break;
1575
1576                         case 2:
1577                                 if (server_is_local) {
1578                                         screen_reset();
1579                                         sttybbs(SB_RESTORE);
1580                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
1581                                                  "exec ./subsystem %ld %d %d", fullname,
1582                                           usernum, screenwidth, axlevel);
1583                                         ka_system(aaa);
1584                                         sttybbs(SB_NO_INTR);
1585                                         screen_set();
1586                                 } else {
1587                                         scr_printf("*** Can't run doors when server is not local.\n");
1588                                 }
1589                                 break;
1590
1591                         case 17:
1592                                 who_is_online(0);
1593                                 break;
1594
1595                         case 79:
1596                                 who_is_online(1);
1597                                 break;
1598
1599             case 91:
1600                 who_is_online(2);
1601                 break;
1602
1603                         case 80:
1604                                 do_system_configuration();
1605                                 break;
1606
1607                         case 82:
1608                                 do_internet_configuration();
1609                                 break;
1610
1611                         case 83:
1612                                 check_message_base();
1613                                 break;
1614
1615                         case 84:
1616                                 quiet_mode();
1617                                 break;
1618
1619                         case 93:
1620                                 stealth_mode();
1621                                 break;
1622
1623                         case 50:
1624                                 enter_config(2);
1625                                 break;
1626
1627                         case 37:
1628                                 enter_config(0);
1629                                 set_floor_mode();
1630                                 break;
1631
1632                         case 59:
1633                                 enter_config(3);
1634                                 set_floor_mode();
1635                                 break;
1636
1637                         case 60:
1638                                 gotofloor(argbuf, GF_GOTO);
1639                                 break;
1640
1641                         case 61:
1642                                 gotofloor(argbuf, GF_SKIP);
1643                                 break;
1644
1645                         case 62:
1646                                 forget_this_floor();
1647                                 break;
1648
1649                         case 63:
1650                                 create_floor();
1651                                 break;
1652
1653                         case 64:
1654                                 edit_floor();
1655                                 break;
1656
1657                         case 65:
1658                                 kill_floor();
1659                                 break;
1660
1661                         case 66:
1662                                 enter_bio();
1663                                 break;
1664
1665                         case 67:
1666                                 read_bio();
1667                                 break;
1668
1669                         case 25:
1670                                 edituser();
1671                                 break;
1672
1673                         case 8:
1674                                 knrooms(floor_mode);
1675                                 scr_printf("\n");
1676                                 break;
1677
1678                         case 68:
1679                                 knrooms(2);
1680                                 scr_printf("\n");
1681                                 break;
1682
1683                         case 69:
1684                                 misc_server_cmd(argbuf);
1685                                 break;
1686
1687                         case 70:
1688                                 edit_system_message(argbuf);
1689                                 break;
1690
1691                         case 19:
1692                                 listzrooms();
1693                                 scr_printf("\n");
1694                                 break;
1695
1696                         case 51:
1697                                 deletefile();
1698                                 break;
1699
1700                         case 53:
1701                                 netsendfile();
1702                                 break;
1703
1704                         case 54:
1705                                 movefile();
1706                                 break;
1707
1708                         case 56:
1709                                 page_user();
1710                                 break;
1711
1712                         }       /* end switch */
1713         } while (termn8 == 0);
1714
1715 TERMN8: scr_printf("%s logged out.\n", fullname);
1716         while (march != NULL) {
1717                 remove_march(march->march_name, 0);
1718         }
1719         if (mcmd == 30) {
1720                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
1721         }
1722         snprintf(aaa, sizeof aaa, "LOUT");
1723         serv_puts(aaa);
1724         serv_gets(aaa);
1725         screen_delete();
1726         sttybbs(SB_RESTORE);
1727         if ((mcmd == 29) || (mcmd == 15)) {
1728                 formout("goodbye");
1729                 logoff(0);
1730         }
1731         goto GSTA;
1732
1733 }       /* end main() */