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