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 #include <errno.h>
  36
  37 #include "citadel.h"
  38 #include "citadel_ipc.h"
  39 #include "axdefs.h"
  40 #include "routines.h"
  41 #include "routines2.h"
  42 #include "rooms.h"
  43 #include "messages.h"
  44 #include "commands.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 #ifndef HAVE_SNPRINTF
  51 #include "snprintf.h"
  52 #endif
  53 #include "screen.h"
  54
  55 #include "md5.h"
  56
  57 #define IFEXPERT if (userflags&US_EXPERT)
  58 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  59 #define IFAIDE if (axlevel>=6)
  60 #define IFNAIDE if (axlevel<6)
  61
  62 struct march *march = NULL;
  63
  64 /* globals associated with the client program */
  65 char temp[PATH_MAX];            /* Name of general temp file */
  66 char temp2[PATH_MAX];           /* Name of general temp file */
  67 char tempdir[PATH_MAX];         /* Name of general temp dir */
  68 char editor_path[SIZ];          /* path to external editor */
  69 char printcmd[SIZ];             /* print command */
  70 int editor_pid = (-1);
  71 char fullname[USERNAME_SIZE];
  72 jmp_buf nextbuf;
  73 struct CtdlServInfo serv_info;  /* Info on the server connected */
  74 int screenwidth;
  75 int screenheight;
  76 unsigned room_flags;
  77 char room_name[ROOMNAMELEN];
  78 char *uglist[UGLISTLEN]; /* size of the ungoto list */
  79 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
  80 int uglistsize = 0;
  81 char is_mail = 0;               /* nonzero when we're in a mail room */
  82 char axlevel = 0;               /* access level */
  83 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
  84 int timescalled;
  85 int posted;
  86 unsigned userflags;
  87 long usernum = 0L;              /* user number */
  88 time_t lastcall = 0L;           /* Date/time of previous login */
  89 char newnow;
  90 long highest_msg_read;          /* used for <A>bandon room cmd */
  91 long maxmsgnum;                 /* used for <G>oto */
  92 char sigcaught = 0;
  93 char have_xterm = 0;            /* are we running on an xterm? */
  94 char rc_username[USERNAME_SIZE];
  95 char rc_password[32];
  96 char hostbuf[SIZ];
  97 char portbuf[SIZ];
  98 char rc_floor_mode;
  99 char floor_mode;
 100 char curr_floor = 0;            /* number of current floor */
 101 char floorlist[128][SIZ];       /* names of floors */
 102 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
 103 int secure;                     /* Set to nonzero when wire is encrypted */
 104 int can_do_msg4 = 0;            /* Set to nonzero if the server can handle MSG4 commands */
 105
 106 extern char express_msgs;       /* express messages waiting! */
 107 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
 108 extern int next_lazy_cmd;
 109
 110 CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
 111
 112 /*
 113  * here is our 'clean up gracefully and exit' routine
 114  */
 115 void logoff(CtdlIPC *ipc, int code)
 116 {
 117     int lp;
 118         if (editor_pid > 0) {   /* kill the editor if it's running */
 119                 kill(editor_pid, SIGHUP);
 120         }
 121
 122     /* Free the ungoto list */
 123     for (lp = 0; lp < uglistsize; lp++)
 124       free (uglist[lp]);
 125
 126 /* shut down the server... but not if the logoff code is 3, because
 127  * that means we're exiting because we already lost the server
 128  */
 129         if (code != 3)
 130                 CtdlIPCQuit(ipc);
 131
 132 /*
 133  * now clean up various things
 134  */
 135
 136         screen_delete();
 137
 138         unlink(temp);
 139         unlink(temp2);
 140         nukedir(tempdir);
 141
 142         /* Violently kill off any child processes if Citadel is
 143          * the login shell.
 144          */
 145         if (getppid() == 1) {
 146                 kill(0 - getpgrp(), SIGTERM);
 147                 sleep(1);
 148                 kill(0 - getpgrp(), SIGKILL);
 149         }
 150         color(ORIGINAL_PAIR);   /* Restore the old color settings */
 151         sttybbs(SB_RESTORE);    /* return the old terminal settings */
 152         exit(code);             /* exit with the proper exit code */
 153 }
 154
 155
 156
 157 /*
 158  * signal catching function for hangups...
 159  */
 160 void dropcarr(int signum)
 161 {
 162         logoff(NULL, 3);        /* No IPC when server's already gone! */
 163 }
 164
 165
 166
 167 /*
 168  * catch SIGCONT to reset terminal modes when were are put back into the
 169  * foreground.
 170  */
 171 void catch_sigcont(int signum)
 172 {
 173         sttybbs(SB_LAST);
 174         signal(SIGCONT, catch_sigcont);
 175 }
 176
 177
 178
 179 /* general purpose routines */
 180 /* display a file */
 181 void formout(CtdlIPC *ipc, char *name)
 182 {
 183         int r;                  /* IPC return code */
 184         char buf[SIZ];
 185         char *text = NULL;
 186
 187         r = CtdlIPCSystemMessage(ipc, name, &text, buf);
 188         if (r / 100 != 1) {
 189                 scr_printf("%s\n", buf);
 190                 return;
 191         }
 192         if (text) {
 193                 fmout(screenwidth, NULL, text, NULL,
 194                       ((userflags & US_PAGINATOR) ? 1 : 0),
 195                       screenheight, 1, 1);
 196                 free(text);
 197         }
 198 }
 199
 200
 201 void userlist(CtdlIPC *ipc, char *patn)
 202 {
 203         char buf[SIZ];
 204         char fl[SIZ];
 205         struct tm *tmbuf;
 206         time_t lc;
 207         int r;                          /* IPC response code */
 208         char *listing = NULL;
 209
 210         r = CtdlIPCUserListing(ipc, &listing, buf);
 211         if (r / 100 != 1) {
 212                 pprintf("%s\n", buf);
 213                 return;
 214         }
 215
 216         pprintf("       User Name           Num  L  LastCall  Calls Posts\n");
 217         pprintf("------------------------- ----- - ---------- ----- -----\n");
 218         while (strlen(listing) > 0) {
 219                 extract_token(buf, listing, 0, '\n');
 220                 remove_token(listing, 0, '\n');
 221
 222                 if (sigcaught == 0) {
 223                     extract(fl, buf, 0);
 224                     if (pattern(fl, patn) >= 0) {
 225                         pprintf("%-25s ", fl);
 226                         pprintf("%5ld %d ", extract_long(buf, 2),
 227                                extract_int(buf, 1));
 228                         lc = extract_long(buf, 3);
 229                         tmbuf = (struct tm *) localtime(&lc);
 230                         pprintf("%02d/%02d/%04d ",
 231                                (tmbuf->tm_mon + 1),
 232                                tmbuf->tm_mday,
 233                                (tmbuf->tm_year + 1900));
 234                         pprintf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
 235                     }
 236
 237                 }
 238         }
 239         free(listing);
 240         pprintf("\n");
 241 }
 242
 243
 244 /*
 245  * grab assorted info about the user...
 246  */
 247 void load_user_info(char *params)
 248 {
 249         extract(fullname, params, 0);
 250         axlevel = extract_int(params, 1);
 251         timescalled = extract_int(params, 2);
 252         posted = extract_int(params, 3);
 253         userflags = extract_int(params, 4);
 254         usernum = extract_long(params, 5);
 255         lastcall = extract_long(params, 6);
 256 }
 257
 258
 259 /*
 260  * Remove a room from the march list.  'floornum' is ignored unless
 261  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 262  * floor will be removed from the march list.
 263  */
 264 void remove_march(char *roomname, int floornum)
 265 {
 266         struct march *mptr, *mptr2;
 267
 268         if (march == NULL)
 269                 return;
 270
 271         if ((!strcasecmp(march->march_name, roomname))
 272             || ((!strcasecmp(roomname, "_FLOOR_")) && (march->march_floor == floornum))) {
 273                 mptr = march->next;
 274                 free(march);
 275                 march = mptr;
 276                 return;
 277         }
 278         mptr2 = march;
 279         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 280
 281                 if ((!strcasecmp(mptr->march_name, roomname))
 282                     || ((!strcasecmp(roomname, "_FLOOR_"))
 283                         && (mptr->march_floor == floornum))) {
 284
 285                         mptr2->next = mptr->next;
 286                         free(mptr);
 287                         mptr = mptr2;
 288                 } else {
 289                         mptr2 = mptr;
 290                 }
 291         }
 292 }
 293
 294
 295 /*
 296  * Locate the room on the march list which we most want to go to.  Each room
 297  * is measured given a "weight" of preference based on various factors.
 298  */
 299 char *pop_march(int desired_floor)
 300 {
 301         static char TheRoom[ROOMNAMELEN];
 302         int TheFloor = 0;
 303         int TheOrder = 32767;
 304         int TheWeight = 0;
 305         int weight;
 306         struct march *mptr = NULL;
 307
 308         strcpy(TheRoom, "_BASEROOM_");
 309         if (march == NULL)
 310                 return (TheRoom);
 311
 312         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 313                 weight = 0;
 314                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 315                         weight = weight + 10000;
 316                 if (mptr->march_floor == desired_floor)
 317                         weight = weight + 5000;
 318
 319                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 320                 weight = weight + (128 - (mptr->march_order));
 321
 322                 if (weight > TheWeight) {
 323                         TheWeight = weight;
 324                         strcpy(TheRoom, mptr->march_name);
 325                         TheFloor = mptr->march_floor;
 326                         TheOrder = mptr->march_order;
 327                 }
 328         }
 329         return (TheRoom);
 330 }
 331
 332
 333 /*
 334  * jump directly to a room
 335  */
 336 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
 337 {
 338         char aaa[SIZ], bbb[SIZ];
 339         static long ls = 0L;
 340         int newmailcount = 0;
 341         int partial_match, best_match;
 342         char from_floor;
 343         int ugpos = uglistsize;
 344         int r;                          /* IPC result code */
 345         struct ctdlipcroom *roomrec = NULL;
 346
 347         /* store ungoto information */
 348         if (fromungoto == 0) {
 349                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
 350                 if (uglistsize >= (UGLISTLEN-1)) {
 351                         int lp;
 352                         free (uglist[0]);
 353                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
 354                                 uglist[lp] = uglist[lp+1];
 355                                 uglistlsn[lp] = uglistlsn[lp+1];
 356                         }
 357                         ugpos--;
 358                 } else
 359                         uglistsize++;
 360
 361                 uglist[ugpos] = malloc(strlen(room_name)+1);
 362                 strcpy(uglist[ugpos], room_name);
 363                 uglistlsn[ugpos] = ls;
 364         }
 365
 366         /* first try an exact match */
 367         r = CtdlIPCGotoRoom(ipc, towhere, "", &roomrec, aaa);
 368         if (r / 10 == 54) {
 369                 newprompt("Enter room password: ", bbb, 9);
 370                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &roomrec, aaa);
 371                 if (r / 10 == 54) {
 372                         scr_printf("Wrong password.\n");
 373                         return;
 374                 }
 375         }
 376
 377         /*
 378          * If a match is not found, try a partial match.
 379          * Partial matches anywhere in the string carry a weight of 1,
 380          * left-aligned matches carry a weight of 2.  Pick the room that
 381          * has the highest-weighted match.
 382          */
 383         if (r / 100 != 2) {
 384                 struct march *march = NULL;
 385
 386                 best_match = 0;
 387                 strcpy(bbb, "");
 388
 389                 r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, -1, &march, aaa);
 390                 if (r / 100 == 1) {
 391                         /* Run the roomlist; free the data as we go */
 392                         struct march *mp = march;       /* Current */
 393
 394                         while (mp) {
 395                                 partial_match = 0;
 396                                 if (pattern(mp->march_name, towhere) >= 0) {
 397                                         partial_match = 1;
 398                                 }
 399                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
 400                                         partial_match = 2;
 401                                 }
 402                                 if (partial_match > best_match) {
 403                                         strcpy(bbb, mp->march_name);
 404                                         best_match = partial_match;
 405                                 }
 406                                 /* Both pointers are NULL at end of list */
 407                                 march = mp->next;
 408                                 free(mp);
 409                                 mp = march;
 410                         }
 411                 }
 412
 413                 if (strlen(bbb) == 0) {
 414                         scr_printf("No room '%s'.\n", towhere);
 415                         return;
 416                 }
 417                 roomrec = NULL;
 418                 r = CtdlIPCGotoRoom(ipc, bbb, "", &roomrec, aaa);
 419         }
 420         if (r / 100 != 1 && r / 100 != 2) {
 421                 scr_printf("%s\n", aaa);
 422                 return;
 423         }
 424         safestrncpy(room_name, roomrec->RRname, ROOMNAMELEN);
 425         room_flags = roomrec->RRflags;
 426         from_floor = curr_floor;
 427         curr_floor = roomrec->RRfloor;
 428
 429         remove_march(room_name, 0);
 430         if (!strcasecmp(towhere, "_BASEROOM_"))
 431                 remove_march(towhere, 0);
 432         if (!roomrec->RRunread)
 433                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
 434         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 435                 if (floorlist[(int) curr_floor][0] == 0)
 436                         load_floorlist(ipc);
 437                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 438         }
 439         if (display_name == 1) {
 440                 color(BRIGHT_WHITE);
 441                 scr_printf("%s ", room_name);
 442                 color(DIM_WHITE);
 443                 scr_printf("- ");
 444         }
 445         if (display_name != 2) {
 446                 color(BRIGHT_YELLOW);
 447                 scr_printf("%d ", roomrec->RRunread);
 448                 color(DIM_WHITE);
 449                 scr_printf("new of ");
 450                 color(BRIGHT_YELLOW);
 451                 scr_printf("%d ", roomrec->RRtotal);
 452                 color(DIM_WHITE);
 453                 scr_printf("messages.\n");
 454         }
 455         highest_msg_read = roomrec->RRlastread;
 456         maxmsgnum = roomrec->RRhighest;
 457         is_mail = roomrec->RRismailbox;
 458         is_room_aide = roomrec->RRaide;
 459         ls = roomrec->RRlastread;
 460
 461         /* read info file if necessary */
 462         if (roomrec->RRinfoupdated > 0)
 463                 readinfo(ipc);
 464
 465         /* check for newly arrived mail if we can */
 466         newmailcount = roomrec->RRnewmail;
 467         if (newmailcount > 0) {
 468                 color(BRIGHT_RED);
 469                 if (newmailcount == 1) {
 470                         scr_printf("*** A new mail message has arrived.\n");
 471                 }
 472                 else {
 473                         scr_printf("*** %d new mail messages have arrived.\n",
 474                                         newmailcount);
 475                 }
 476                 color(DIM_WHITE);
 477                 if (strlen(rc_gotmail_cmd) > 0) {
 478                         system(rc_gotmail_cmd);
 479                 }
 480         }
 481         status_line(serv_info.serv_humannode, serv_info.serv_bbs_city,
 482                         room_name, secure, newmailcount);
 483 }
 484
 485 /* Goto next room having unread messages.
 486  * We want to skip over rooms that the user has already been to, and take the
 487  * user back to the lobby when done.  The room we end up in is placed in
 488  * newroom - which is set to 0 (the lobby) initially.
 489  */
 490 void gotonext(CtdlIPC *ipc)
 491 {
 492         char buf[SIZ];
 493         struct march *mptr, *mptr2;
 494         char next_room[ROOMNAMELEN];
 495         int r;                          /* IPC response code */
 496
 497         /* Check to see if the march-mode list is already allocated.
 498          * If it is, pop the first room off the list and go there.
 499          */
 500         if (march == NULL) {
 501                 r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages, -1, &march, buf);
 502 /* add _BASEROOM_ to the end of the march list, so the user will end up
 503  * in the system base room (usually the Lobby>) at the end of the loop
 504  */
 505                 mptr = (struct march *) malloc(sizeof(struct march));
 506                 mptr->next = NULL;
 507                 strcpy(mptr->march_name, "_BASEROOM_");
 508                 if (march == NULL) {
 509                         march = mptr;
 510                 } else {
 511                         mptr2 = march;
 512                         while (mptr2->next != NULL)
 513                                 mptr2 = mptr2->next;
 514                         mptr2->next = mptr;
 515                 }
 516 /*
 517  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 518  * walk around in circles
 519  */
 520                 remove_march(room_name, 0);
 521         }
 522         if (march != NULL) {
 523                 strcpy(next_room, pop_march(curr_floor));
 524         } else {
 525                 strcpy(next_room, "_BASEROOM_");
 526         }
 527         remove_march(next_room, 0);
 528         dotgoto(ipc, next_room, 1, 0);
 529 }
 530
 531 /*
 532  * forget all rooms on a given floor
 533  */
 534 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
 535 {
 536         char buf[SIZ];
 537         struct march *flist, *fptr;
 538         struct ctdlipcroom *roomrec;    /* Ignored */
 539         int r;                          /* IPC response code */
 540
 541         scr_printf("Forgetting all rooms on %s...\r", &floorlist[ffloor][0]);
 542         scr_flush();
 543         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
 544         if (r / 100 != 1) {
 545                 scr_printf("%-72s\n", buf);
 546                 return;
 547         }
 548         while (flist) {
 549                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &roomrec, buf);
 550                 if (r / 100 == 2) {
 551                         r = CtdlIPCForgetRoom(ipc, buf);
 552                 }
 553                 fptr = flist;
 554                 flist = flist->next;
 555                 free(fptr);
 556         }
 557         scr_printf("%-72s\r", "");
 558 }
 559
 560
 561 /*
 562  * routine called by gotofloor() to move to a new room on a new floor
 563  */
 564 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
 565 {
 566         int floor_being_left;
 567
 568         floor_being_left = curr_floor;
 569
 570         if (mode == GF_GOTO) {  /* <;G>oto mode */
 571                 updatels(ipc);
 572                 dotgoto(ipc, towhere, 1, 0);
 573         }
 574         if (mode == GF_SKIP) {  /* <;S>kip mode */
 575                 dotgoto(ipc, towhere, 1, 0);
 576                 remove_march("_FLOOR_", floor_being_left);
 577         }
 578         if (mode == GF_ZAP) {   /* <;Z>ap mode */
 579                 dotgoto(ipc, towhere, 1, 0);
 580                 remove_march("_FLOOR_", floor_being_left);
 581                 forget_all_rooms_on(ipc, floor_being_left);
 582         }
 583 }
 584
 585
 586 /*
 587  * go to a new floor
 588  */
 589 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
 590 {
 591         int a, tofloor;
 592         int r;          /* IPC response code */
 593         struct march *mptr;
 594         char buf[SIZ], targ[SIZ];
 595
 596         if (floorlist[0][0] == 0)
 597                 load_floorlist(ipc);
 598         tofloor = (-1);
 599         for (a = 0; a < 128; ++a)
 600                 if (!strcasecmp(&floorlist[a][0], towhere))
 601                         tofloor = a;
 602
 603         if (tofloor < 0) {
 604                 for (a = 0; a < 128; ++a) {
 605                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 606                                 tofloor = a;
 607                         }
 608                 }
 609         }
 610         if (tofloor < 0) {
 611                 for (a = 0; a < 128; ++a)
 612                         if (pattern(towhere, &floorlist[a][0]) > 0)
 613                                 tofloor = a;
 614         }
 615         if (tofloor < 0) {
 616                 scr_printf("No floor '%s'.\n", towhere);
 617                 return;
 618         }
 619         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 620                 if ((mptr->march_floor) == tofloor)
 621                         gf_toroom(ipc, mptr->march_name, mode);
 622                 return;
 623         }
 624
 625         strcpy(targ, "");
 626         mptr = NULL;
 627         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
 628         if (r / 100 == 1) {
 629                 struct march *tmp = mptr;
 630
 631                 /* TODO: room order is being ignored? */
 632                 if (mptr)
 633                         strncpy(targ, mptr->march_name, ROOMNAMELEN);
 634                 while (mptr) {
 635                         tmp = mptr->next;
 636                         free(mptr);
 637                         mptr = tmp;
 638                 }
 639         }
 640         if (strlen(targ) > 0) {
 641                 gf_toroom(ipc, targ, mode);
 642         } else {
 643                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 644         }
 645 }
 646
 647
 648 /*
 649  * forget all rooms on current floor
 650  */
 651 void forget_this_floor(CtdlIPC *ipc)
 652 {
 653
 654         if (curr_floor == 0) {
 655                 scr_printf("Can't forget this floor.\n");
 656                 return;
 657         }
 658         if (floorlist[0][0] == 0)
 659                 load_floorlist(ipc);
 660         scr_printf("Are you sure you want to forget all rooms on %s? ",
 661                &floorlist[(int) curr_floor][0]);
 662         if (yesno() == 0)
 663                 return;
 664
 665         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
 666 }
 667
 668
 669 /*
 670  * Figure out the physical screen dimensions, if we can
 671  * WARNING:  this is now called from a signal handler!
 672  */
 673 void check_screen_dims(void)
 674 {
 675 #ifdef TIOCGWINSZ
 676         struct {
 677                 unsigned short height;  /* rows */
 678                 unsigned short width;   /* columns */
 679                 unsigned short xpixels;
 680                 unsigned short ypixels;         /* pixels */
 681         } xwinsz;
 682
 683         if (have_xterm) {       /* dynamically size screen if on an xterm */
 684                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
 685                         if (xwinsz.height)
 686                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
 687                         if (xwinsz.width)
 688                                 screenwidth = (int) xwinsz.width;
 689                 }
 690         }
 691 #endif
 692 }
 693
 694
 695 /*
 696  * set floor mode depending on client, server, and user settings
 697  */
 698 void set_floor_mode(void)
 699 {
 700         if (serv_info.serv_ok_floors == 0) {
 701                 floor_mode = 0; /* Don't use floors if the server */
 702         }
 703         /* doesn't support them!          */
 704         else {
 705                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 706                         floor_mode = 0;
 707                 }
 708                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 709                         floor_mode = 1;
 710                 }
 711                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 712                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 713                 }
 714         }
 715 }
 716
 717 /*
 718  * Set or change the user's password
 719  */
 720 int set_password(CtdlIPC *ipc)
 721 {
 722         char pass1[20];
 723         char pass2[20];
 724         char buf[SIZ];
 725
 726         if (strlen(rc_password) > 0) {
 727                 strcpy(pass1, rc_password);
 728                 strcpy(pass2, rc_password);
 729         } else {
 730                 IFNEXPERT formout(ipc, "changepw");
 731                 newprompt("Enter a new password: ", pass1, -19);
 732                 newprompt("Enter it again to confirm: ", pass2, -19);
 733         }
 734         strproc(pass1);
 735         strproc(pass2);
 736         if (!strcasecmp(pass1, pass2)) {
 737                 CtdlIPCChangePassword(ipc, pass1, buf);
 738                 scr_printf("%s\n", buf);
 739                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
 740                 return (0);
 741         } else {
 742                 scr_printf("*** They don't match... try again.\n");
 743                 return (1);
 744         }
 745 }
 746
 747
 748
 749 /*
 750  * get info about the server we've connected to
 751  */
 752 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
 753 {
 754         char buf[SIZ];
 755
 756         CtdlIPCServerInfo(ipc, &serv_info, buf);
 757
 758         /* be nice and identify ourself to the server */
 759         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
 760                  (ipc->isLocal ? "local" : CITADEL),
 761                  (supplied_hostname) ? supplied_hostname : "", buf);
 762                  /* (locate_host(buf), buf)); */
 763
 764         /* Tell the server what our preferred content formats are */
 765         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/html|text/plain") / 100 )== 2) {
 766                 can_do_msg4 = 1;
 767         }
 768 }
 769
 770
 771
 772
 773
 774 /*
 775  * Display list of users currently logged on to the server
 776  */
 777 void who_is_online(CtdlIPC *ipc, int longlist)
 778 {
 779         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
 780         char flags[SIZ];
 781         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
 782         char clientsoft[SIZ];
 783         time_t timenow = 0;
 784         time_t idletime, idlehours, idlemins, idlesecs;
 785         int last_session = (-1);
 786         int skipidle = 0;
 787         char *listing = NULL;
 788         int r;                          /* IPC response code */
 789
 790         if (longlist == 2) {
 791                 longlist = 0;
 792                 skipidle = 1;
 793         }
 794
 795         if (!longlist) {
 796                 color(BRIGHT_WHITE);
 797                 pprintf("FLG ###        User Name                 Room                 From host\n");
 798                 color(DIM_WHITE);
 799                 pprintf("--- --- ------------------------- -------------------- ------------------------\n");
 800         }
 801         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
 802         if (r / 100 == 1) {
 803                 while (strlen(listing) > 0) {
 804                         int isidle = 0;
 805
 806                         /* Get another line */
 807                         extract_token(buf, listing, 0, '\n');
 808                         remove_token(listing, 0, '\n');
 809
 810                         extract(username, buf, 1);
 811                         extract(roomname, buf, 2);
 812                         extract(fromhost, buf, 3);
 813                         extract(clientsoft, buf, 4);
 814                         extract(flags, buf, 7);
 815
 816                         idletime = timenow - extract_long(buf, 5);
 817                         idlehours = idletime / 3600;
 818                         idlemins = (idletime - (idlehours * 3600)) / 60;
 819                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
 820
 821                         if (idletime > rc_idle_threshold) {
 822                                 while (strlen(roomname) < 20) {
 823                                         strcat(roomname, " ");
 824                                 }
 825                                 strcpy(&roomname[14], "[idle]");
 826                                 if (skipidle)
 827                                         isidle = 1;
 828                         }
 829
 830                         if (longlist) {
 831                                 extract(actual_user, buf, 8);
 832                                 extract(actual_room, buf, 9);
 833                                 extract(actual_host, buf, 10);
 834
 835                                 pprintf("  Flags: %s\n", flags);
 836                                 pprintf("Session: %d\n", extract_int(buf, 0));
 837                                 pprintf("   Name: %s\n", username);
 838                                 pprintf("In room: %s\n", roomname);
 839                                 pprintf("   Host: %s\n", fromhost);
 840                                 pprintf(" Client: %s\n", clientsoft);
 841                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
 842                                         (long) idlehours,
 843                                         (long) idlemins,
 844                                         (long) idlesecs);
 845
 846                                 if ( (strlen(actual_user)+strlen(actual_room)+strlen(actual_host)) > 0) {
 847                                         pprintf("(really ");
 848                                         if (strlen(actual_user)>0) pprintf("<%s> ", actual_user);
 849                                         if (strlen(actual_room)>0) pprintf("in <%s> ", actual_room);
 850                                         if (strlen(actual_host)>0) pprintf("from <%s> ", actual_host);
 851                                         pprintf(")\n");
 852                                 }
 853                                 pprintf("\n");
 854
 855                         } else {
 856                     if (isidle == 0) {
 857                                 if (extract_int(buf, 0) == last_session) {
 858                                         pprintf("        ");
 859                                 } else {
 860                                         color(BRIGHT_MAGENTA);
 861                                         pprintf("%-3s ", flags);
 862                                         color(DIM_WHITE);
 863                                         pprintf("%-3d ", extract_int(buf, 0));
 864                                 }
 865                                 last_session = extract_int(buf, 0);
 866                                 color(BRIGHT_CYAN);
 867                                 pprintf("%-25s ", username);
 868                                 color(BRIGHT_MAGENTA);
 869                                 roomname[20] = 0;
 870                                 pprintf("%-20s ", roomname);
 871                                 color(BRIGHT_CYAN);
 872                                 fromhost[24] = '\0';
 873                                 pprintf("%-24s\n", fromhost);
 874                                 color(DIM_WHITE);
 875                         }
 876                         }
 877                 }
 878         }
 879         free(listing);
 880 }
 881
 882 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
 883 {
 884         char bbb[128];
 885         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 886         newprompt(bbb, buf, maxlen);
 887 }
 888
 889
 890
 891 int shift(int argc, char **argv, int start, int count) {
 892         int i;
 893
 894         for (i=start; i<(argc-count); ++i) {
 895                 argv[i] = argv[i+count];
 896         }
 897         argc = argc - count;
 898         return argc;
 899 }
 900
 901 static void statusHook(char *s) {
 902         sln_printf(s);
 903         sln_flush();
 904 }
 905
 906 /*
 907  * main
 908  */
 909 int main(int argc, char **argv)
 910 {
 911         int a, b, mcmd;
 912         char aaa[100], bbb[100];/* general purpose variables */
 913         char argbuf[32];        /* command line buf */
 914         char nonce[NONCE_SIZE];
 915         char *telnet_client_host = NULL;
 916         char *sptr, *sptr2;     /* USed to extract the nonce */
 917         char hexstring[MD5_HEXSTRING_SIZE];
 918         int stored_password = 0;
 919         char password[SIZ];
 920         struct ctdlipcmisc chek;
 921         struct usersupp *myself = NULL;
 922         CtdlIPC* ipc;                   /* Our server connection */
 923         int r;                          /* IPC result code */
 924
 925         setIPCDeathHook(screen_delete);
 926         setIPCErrorPrintf(err_printf);
 927         setCryptoStatusHook(statusHook);
 928
 929         /* Permissions sanity check - don't run citadel setuid/setgid */
 930         if (getuid() != geteuid()) {
 931                 err_printf("Please do not run citadel setuid!\n");
 932                 logoff(NULL, 3);
 933         } else if (getgid() != getegid()) {
 934                 err_printf("Please do not run citadel setgid!\n");
 935                 logoff(NULL, 3);
 936         }
 937
 938         sttybbs(SB_SAVE);       /* Store the old terminal parameters */
 939         load_command_set();     /* parse the citadel.rc file */
 940         sttybbs(SB_NO_INTR);    /* Install the new ones */
 941         signal(SIGHUP, dropcarr);       /* Cleanup gracefully if carrier is dropped */
 942         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
 943         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
 944 #ifdef SIGWINCH
 945         signal(SIGWINCH, scr_winch);    /* Window resize signal */
 946 #endif
 947
 948 #ifdef HAVE_OPENSSL
 949         arg_encrypt = RC_DEFAULT;
 950 #endif
 951 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
 952         arg_screen = RC_DEFAULT;
 953 #endif
 954
 955         /*
 956          * Handle command line options as if we were called like /bin/login
 957          * (i.e. from in.telnetd)
 958          */
 959         for (a=0; a<argc; ++a) {
 960                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
 961                         telnet_client_host = argv[a+1];
 962                         argc = shift(argc, argv, a, 2);
 963                 }
 964                 if (!strcmp(argv[a], "-x")) {
 965 #ifdef HAVE_OPENSSL
 966                         arg_encrypt = RC_NO;
 967 #endif
 968                         argc = shift(argc, argv, a, 1);
 969                 }
 970                 if (!strcmp(argv[a], "-X")) {
 971 #ifdef HAVE_OPENSSL
 972                         arg_encrypt = RC_YES;
 973                         argc = shift(argc, argv, a, 1);
 974 #else
 975                         fprintf(stderr, "Not compiled with encryption support");
 976                         return 1;
 977 #endif
 978                 }
 979                 if (!strcmp(argv[a], "-s")) {
 980 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
 981                         arg_screen = RC_NO;
 982 #endif
 983                         argc = shift(argc, argv, a, 1);
 984                 }
 985                 if (!strcmp(argv[a], "-S")) {
 986 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
 987                         arg_screen = RC_YES;
 988 #endif
 989                         argc = shift(argc, argv, a, 1);
 990                 }
 991                 if (!strcmp(argv[a], "-p")) {
 992                         struct stat st;
 993
 994                         if (chdir(BBSDIR) < 0) {
 995                                 perror("can't change to " BBSDIR);
 996                                 logoff(NULL, 3);
 997                         }
 998
 999                         /*
1000                          * Drop privileges if necessary. We stat
1001                          * citadel.config to get the uid/gid since it's
1002                          * guaranteed to have the uid/gid we want.
1003                          */
1004                         if (!getuid() || !getgid()) {
1005                                 if (stat(BBSDIR "/citadel.config", &st) < 0) {
1006                                         perror("couldn't stat citadel.config");
1007                                         logoff(NULL, 3);
1008                                 }
1009                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1010                                         perror("couldn't change gid");
1011                                         logoff(NULL, 3);
1012                                 }
1013                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1014                                         perror("couldn't change uid");
1015                                         logoff(NULL, 3);
1016                                 }
1017                                 /*
1018                                   scr_printf("Privileges changed to uid %d gid %d\n",
1019                                   getuid(), getgid());
1020                                 */
1021                         }
1022                         argc = shift(argc, argv, a, 1);
1023                 }
1024         }
1025
1026         screen_new();
1027
1028         sln_printf("Attaching to server... \r");
1029         sln_flush();
1030         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1031         if (!ipc) {
1032                 screen_delete();
1033                 error_printf("Can't connect: %s\n", strerror(errno));
1034                 logoff(NULL, 3);
1035         }
1036 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1037         CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1038 #endif
1039         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1040
1041         CtdlIPC_getline(ipc, aaa);
1042         if (aaa[0] != '2') {
1043                 scr_printf("%s\n", &aaa[4]);
1044                 logoff(ipc, atoi(aaa));
1045         }
1046
1047         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1048          * is zeroized.
1049          */
1050
1051         if ((sptr = strchr(aaa, '<')) == NULL)
1052                 {
1053                         nonce[0] = '\0';
1054                 }
1055         else
1056                 {
1057                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1058                                 {
1059                                         nonce[0] = '\0';
1060                                 }
1061                         else
1062                                 {
1063                                         sptr2++;
1064                                         *sptr2 = '\0';
1065                                         strncpy(nonce, sptr, NONCE_SIZE);
1066                                 }
1067                 }
1068
1069 #ifdef HAVE_OPENSSL
1070         /* Evaluate encryption preferences */
1071         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1072                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1073                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1074                         if (!secure)
1075                                 error_printf("Can't encrypt: %s\n", aaa);
1076                 }
1077         }
1078 #endif
1079
1080         get_serv_info(ipc, telnet_client_host);
1081         scr_printf("%-24s\n%s\n%s\n", serv_info.serv_software, serv_info.serv_humannode,
1082                    serv_info.serv_bbs_city);
1083         scr_flush();
1084
1085         status_line(serv_info.serv_humannode, serv_info.serv_bbs_city, NULL,
1086                     secure, -1);
1087
1088         screenwidth = 80;       /* default screen dimensions */
1089         screenheight = 24;
1090
1091         scr_printf(" pause    next    stop\n");
1092         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1093         formout(ipc, "hello");  /* print the opening greeting */
1094         scr_printf("\n");
1095
1096  GSTA:  /* See if we have a username and password on disk */
1097         if (rc_remember_passwords) {
1098                 get_stored_password(hostbuf, portbuf, fullname, password);
1099                 if (strlen(fullname) > 0) {
1100                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1101                         if (r / 100 == 3) {
1102                                 if (*nonce) {
1103                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1104                                 } else {
1105                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1106                                 }
1107                         }
1108
1109                         if (r / 100 == 2) {
1110                                 load_user_info(aaa);
1111                                 stored_password = 1;
1112                                 goto PWOK;
1113                         } else {
1114                                 set_stored_password(hostbuf, portbuf, "", "");
1115                         }
1116                 }
1117         }
1118
1119         termn8 = 0;
1120         newnow = 0;
1121         do {
1122                 if (strlen(rc_username) > 0) {
1123                         strcpy(fullname, rc_username);
1124                 } else {
1125                         newprompt("Enter your name: ", fullname, 29);
1126                 }
1127                 strproc(fullname);
1128                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1129                         scr_printf("Please enter the name you wish to log in with.\n");
1130                 }
1131         } while (
1132                  (!strcasecmp(fullname, "bbs"))
1133                  || (!strcasecmp(fullname, "new"))
1134                  || (strlen(fullname) == 0));
1135
1136         if (!strcasecmp(fullname, "off")) {
1137                 mcmd = 29;
1138                 goto TERMN8;
1139         }
1140         /* sign on to the server */
1141         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1142         if (r / 100 != 3)
1143                 goto NEWUSR;
1144
1145         /* password authentication */
1146         if (strlen(rc_password) > 0) {
1147                 strcpy(password, rc_password);
1148         } else {
1149                 newprompt("\rPlease enter your password: ", password, -19);
1150         }
1151         strproc(password);
1152
1153         if (*nonce) {
1154                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1155         } else {
1156                 r = CtdlIPCTryPassword(ipc, password, aaa);
1157         }
1158
1159         if (r / 100 == 2) {
1160                 load_user_info(aaa);
1161                 offer_to_remember_password(ipc, hostbuf, portbuf,
1162                                            fullname, password);
1163                 goto PWOK;
1164         }
1165         scr_printf("<< wrong password >>\n");
1166         if (strlen(rc_password) > 0)
1167                 logoff(ipc, 0);
1168         goto GSTA;
1169
1170 NEWUSR: if (strlen(rc_password) == 0) {
1171                 scr_printf("No record. Enter as new user? ");
1172                 if (yesno() == 0)
1173                         goto GSTA;
1174         }
1175
1176         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1177         if (r / 100 != 2) {
1178                 scr_printf("%s\n", aaa);
1179                 goto GSTA;
1180         }
1181         load_user_info(aaa);
1182
1183         while (set_password(ipc) != 0);
1184         newnow = 1;
1185
1186         enter_config(ipc, 1);
1187
1188  PWOK:
1189         /* Switch color support on or off if we're in user mode */
1190         if (rc_ansi_color == 3) {
1191                 if (userflags & US_COLOR)
1192                         enable_color = 1;
1193                 else
1194                         enable_color = 0;
1195         }
1196
1197         scr_printf("%s\nAccess level: %d (%s)\n"
1198                    "User #%ld / Login #%d",
1199                    fullname, axlevel, axdefs[(int) axlevel],
1200                    usernum, timescalled);
1201         if (lastcall > 0L) {
1202                 scr_printf(" / Last login: %s\n",
1203                            asctime(localtime(&lastcall)));
1204         }
1205         scr_printf("\n");
1206
1207         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1208         if (r / 100 == 2) {
1209                 b = chek.newmail;
1210                 if (b > 0) {
1211                         color(BRIGHT_RED);
1212                         if (b == 1)
1213                                 scr_printf("*** You have a new private message in Mail>\n");
1214                         if (b > 1)
1215                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1216                         color(DIM_WHITE);
1217                         if (strlen(rc_gotmail_cmd) > 0) {
1218                                 system(rc_gotmail_cmd);
1219                         }
1220                 }
1221                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1222                         scr_printf("*** Users need validation\n");
1223                 }
1224                 if (chek.needregis > 0) {
1225                         scr_printf("*** Please register.\n");
1226                         formout(ipc, "register");
1227                         entregis(ipc);
1228                 }
1229         }
1230         /* Make up some temporary filenames for use in various parts of the
1231          * program.  Don't mess with these once they've been set, because we
1232          * will be unlinking them later on in the program and we don't
1233          * want to delete something that we didn't create. */
1234         snprintf(temp, sizeof temp, tmpnam(NULL));
1235         snprintf(temp2, sizeof temp2, tmpnam(NULL));
1236         snprintf(tempdir, sizeof tempdir, tmpnam(NULL));
1237
1238         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1239          * we try to get the user's actual screen dimensions off the server.
1240          * However, if we're running on an xterm, all this stuff is
1241          * irrelevant because we're going to dynamically size the screen
1242          * during the session.
1243          */
1244         screenwidth = 80;
1245         screenheight = 24;
1246         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1247         if (r == 2) {
1248                 screenwidth = myself->USscreenwidth;
1249                 screenheight = myself->USscreenheight;
1250         }
1251         if (getenv("TERM") != NULL)
1252                 if (!strcmp(getenv("TERM"), "xterm")) {
1253                         have_xterm = 1;
1254                 }
1255 #ifdef TIOCGWINSZ
1256         check_screen_dims();
1257 #endif
1258
1259         set_floor_mode();
1260
1261
1262         /* Enter the lobby */
1263         dotgoto(ipc, "_BASEROOM_", 1, 0);
1264
1265         /* Main loop for the system... user is logged in. */
1266         uglistsize = 0;
1267
1268         if (newnow == 1)
1269                 readmsgs(ipc, 3, 1, 5);
1270         else
1271                 readmsgs(ipc, 1, 1, 0);
1272
1273         /* MAIN COMMAND LOOP */
1274         do {
1275                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1276
1277 #ifdef TIOCGWINSZ
1278                 check_screen_dims();            /* if xterm, get screen size */
1279 #endif
1280
1281                 if (termn8 == 0)
1282                         switch (mcmd) {
1283                         case 1:
1284                                 formout(ipc, "help");
1285                                 break;
1286                         case 4:
1287                                 entmsg(ipc, 0, 0);
1288                                 break;
1289                         case 36:
1290                                 entmsg(ipc, 0, 1);
1291                                 break;
1292                         case 46:
1293                                 entmsg(ipc, 0, 2);
1294                                 break;
1295                         case 78:
1296                                 newprompt("What do you want your username to be? ", aaa, 32);
1297                                 snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1298                                 CtdlIPC_putline(ipc, bbb);
1299                                 CtdlIPC_getline(ipc, aaa);
1300                                 if (strncmp("200", aaa, 3))
1301                                         scr_printf("\n%s\n", aaa);
1302                                 else
1303                                         entmsg(ipc, 0, 0);
1304                                 break;
1305                         case 5:
1306                                 updatels(ipc);
1307                                 gotonext(ipc);
1308                                 break;
1309                         case 47:
1310                                 if (!rc_alt_semantics)
1311                                         updatelsa(ipc);
1312                                 gotonext(ipc);
1313                                 break;
1314                         case 90:
1315                                 if (!rc_alt_semantics)
1316                                         updatelsa(ipc);
1317                                 dotgoto(ipc, argbuf, 0, 0);
1318                                 break;
1319                         case 58:
1320                                 updatelsa(ipc);
1321                                 dotgoto(ipc, "_MAIL_", 1, 0);
1322                                 break;
1323                         case 20:
1324                                 updatels(ipc);
1325                                 dotgoto(ipc, argbuf, 0, 0);
1326                                 break;
1327                         case 52:
1328                                 if (rc_alt_semantics)
1329                                         updatelsa(ipc);
1330                                 dotgoto(ipc, argbuf, 0, 0);
1331                                 break;
1332                         case 10:
1333                                 readmsgs(ipc, 0, 1, 0);
1334                                 break;
1335                         case 9:
1336                                 readmsgs(ipc, 3, 1, 5);
1337                                 break;
1338                         case 13:
1339                                 readmsgs(ipc, 1, 1, 0);
1340                                 break;
1341                         case 11:
1342                                 readmsgs(ipc, 0, (-1), 0);
1343                                 break;
1344                         case 12:
1345                                 readmsgs(ipc, 2, (-1), 0);
1346                                 break;
1347                         case 71:
1348                                 readmsgs(ipc, 3, 1, atoi(argbuf));
1349                                 break;
1350                         case 7:
1351                                 forget(ipc);
1352                                 break;
1353                         case 18:
1354                                 subshell();
1355                                 break;
1356                         case 38:
1357                                 updatels(ipc);
1358                                 entroom(ipc);
1359                                 break;
1360                         case 22:
1361                                 killroom(ipc);
1362                                 break;
1363                         case 32:
1364                                 userlist(ipc, argbuf);
1365                                 break;
1366                         case 27:
1367                                 invite(ipc);
1368                                 break;
1369                         case 28:
1370                                 kickout(ipc);
1371                                 break;
1372                         case 23:
1373                                 editthisroom(ipc);
1374                                 break;
1375                         case 14:
1376                                 roomdir(ipc);
1377                                 break;
1378                         case 33:
1379                                 download(ipc, 0);
1380                                 break;
1381                         case 34:
1382                                 download(ipc, 1);
1383                                 break;
1384                         case 31:
1385                                 download(ipc, 2);
1386                                 break;
1387                         case 43:
1388                                 download(ipc, 3);
1389                                 break;
1390                         case 45:
1391                                 download(ipc, 4);
1392                                 break;
1393                         case 55:
1394                                 download(ipc, 5);
1395                                 break;
1396                         case 39:
1397                                 upload(ipc, 0);
1398                                 break;
1399                         case 40:
1400                                 upload(ipc, 1);
1401                                 break;
1402                         case 42:
1403                                 upload(ipc, 2);
1404                                 break;
1405                         case 44:
1406                                 upload(ipc, 3);
1407                                 break;
1408                         case 57:
1409                                 cli_upload(ipc);
1410                                 break;
1411                         case 16:
1412                                 ungoto(ipc);
1413                                 break;
1414                         case 24:
1415                                 whoknows(ipc);
1416                                 break;
1417                         case 26:
1418                                 validate(ipc);
1419                                 break;
1420                         case 29:
1421                         case 30:
1422                                 if (!rc_alt_semantics)
1423                                         updatels(ipc);
1424                                 termn8 = 1;
1425                                 break;
1426                         case 48:
1427                                 enterinfo(ipc);
1428                                 break;
1429                         case 49:
1430                                 readinfo(ipc);
1431                                 break;
1432                         case 72:
1433                                 cli_image_upload(ipc, "_userpic_");
1434                                 break;
1435                         case 73:
1436                                 cli_image_upload(ipc, "_roompic_");
1437                                 break;
1438
1439                         case 74:
1440                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1441                                 cli_image_upload(ipc, aaa);
1442                                 break;
1443
1444                         case 75:
1445                                 enternew(ipc, "roomname", aaa, 20);
1446                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1447                                 if (r / 100 != 2)
1448                                         scr_printf("\n%s\n", aaa);
1449                                 break;
1450                         case 76:
1451                                 enternew(ipc, "hostname", aaa, 25);
1452                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1453                                 if (r / 100 != 2)
1454                                         scr_printf("\n%s\n", aaa);
1455                                 break;
1456                         case 77:
1457                                 enternew(ipc, "username", aaa, 32);
1458                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
1459                                 if (r / 100 != 2)
1460                                         scr_printf("\n%s\n", aaa);
1461                                 break;
1462
1463                         case 35:
1464                                 set_password(ipc);
1465                                 break;
1466
1467                         case 21:
1468                                 if (argbuf[0] == 0)
1469                                         strcpy(aaa, "?");
1470                                 display_help(ipc, argbuf);
1471                                 break;
1472
1473                         case 41:
1474                                 formout(ipc, "register");
1475                                 entregis(ipc);
1476                                 break;
1477
1478                         case 15:
1479                                 scr_printf("Are you sure (y/n)? ");
1480                                 if (yesno() == 1) {
1481                                         if (!rc_alt_semantics)
1482                                                 updatels(ipc);
1483                                         a = 0;
1484                                         termn8 = 1;
1485                                 }
1486                                 break;
1487
1488                         case 85:
1489                                 scr_printf("All users will be disconnected!  "
1490                                            "Really terminate the server? ");
1491                                 if (yesno() == 1) {
1492                                         if (!rc_alt_semantics)
1493                                                 updatels(ipc);
1494                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
1495                                         scr_printf("%s\n", aaa);
1496                                         if (r / 100 == 2) {
1497                                                 a = 0;
1498                                                 termn8 = 1;
1499                                         }
1500                                 }
1501                                 break;
1502
1503                         case 86:
1504                                 scr_printf("Do you really want to schedule a "
1505                                            "server shutdown? ");
1506                                 if (yesno() == 1) {
1507                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
1508                                         if (r / 100 == 2) {
1509                                                 if (atoi(aaa)) {
1510                                                         scr_printf(
1511                                                                    "The Citadel server will terminate when all users are logged off.\n"
1512                                                                    );
1513                                                 } else {
1514                                                         scr_printf(
1515                                                                    "The Citadel server will not terminate.\n"
1516                                                                    );
1517                                                 }
1518                                         }
1519                                 }
1520                                 break;
1521
1522                         case 87:
1523                                 network_config_management(ipc, "listrecp",
1524                                                           "Message-by-message mailing list recipients");
1525                                 break;
1526
1527                         case 94:
1528                                 network_config_management(ipc, "digestrecp",
1529                                                           "Digest mailing list recipients");
1530                                 break;
1531
1532                         case 89:
1533                                 network_config_management(ipc, "ignet_push_share",
1534                                                           "Nodes with which we share this room");
1535                                 break;
1536
1537                         case 88:
1538                                 do_ignet_configuration(ipc);
1539                                 break;
1540
1541                         case 92:
1542                                 do_filterlist_configuration(ipc);
1543                                 break;
1544
1545                         case 6:
1546                                 if (rc_alt_semantics)
1547                                         updatelsa(ipc);
1548                                 gotonext(ipc);
1549                                 break;
1550
1551                         case 3:
1552                                 chatmode(ipc);
1553                                 break;
1554
1555                         case 2:
1556                                 if (ipc->isLocal) {
1557                                         screen_reset();
1558                                         sttybbs(SB_RESTORE);
1559                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
1560                                                  "exec ./subsystem %ld %d %d", fullname,
1561                                                  usernum, screenwidth, axlevel);
1562                                         ka_system(aaa);
1563                                         sttybbs(SB_NO_INTR);
1564                                         screen_set();
1565                                 } else {
1566                                         scr_printf("*** Can't run doors when server is not local.\n");
1567                                 }
1568                                 break;
1569
1570                         case 17:
1571                                 who_is_online(ipc, 0);
1572                                 break;
1573
1574                         case 79:
1575                                 who_is_online(ipc, 1);
1576                                 break;
1577
1578                         case 91:
1579                                 who_is_online(ipc, 2);
1580                                 break;
1581
1582                         case 80:
1583                                 do_system_configuration(ipc);
1584                                 break;
1585
1586                         case 82:
1587                                 do_internet_configuration(ipc);
1588                                 break;
1589
1590                         case 83:
1591                                 check_message_base(ipc);
1592                                 break;
1593
1594                         case 84:
1595                                 quiet_mode(ipc);
1596                                 break;
1597
1598                         case 93:
1599                                 stealth_mode(ipc);
1600                                 break;
1601
1602                         case 50:
1603                                 enter_config(ipc, 2);
1604                                 break;
1605
1606                         case 37:
1607                                 enter_config(ipc, 0);
1608                                 set_floor_mode();
1609                                 break;
1610
1611                         case 59:
1612                                 enter_config(ipc, 3);
1613                                 set_floor_mode();
1614                                 break;
1615
1616                         case 60:
1617                                 gotofloor(ipc, argbuf, GF_GOTO);
1618                                 break;
1619
1620                         case 61:
1621                                 gotofloor(ipc, argbuf, GF_SKIP);
1622                                 break;
1623
1624                         case 62:
1625                                 forget_this_floor(ipc);
1626                                 break;
1627
1628                         case 63:
1629                                 create_floor(ipc);
1630                                 break;
1631
1632                         case 64:
1633                                 edit_floor(ipc);
1634                                 break;
1635
1636                         case 65:
1637                                 kill_floor(ipc);
1638                                 break;
1639
1640                         case 66:
1641                                 enter_bio(ipc);
1642                                 break;
1643
1644                         case 67:
1645                                 read_bio(ipc);
1646                                 break;
1647
1648                         case 25:
1649                                 edituser(ipc);
1650                                 break;
1651
1652                         case 8:
1653                                 knrooms(ipc, floor_mode);
1654                                 scr_printf("\n");
1655                                 break;
1656
1657                         case 68:
1658                                 knrooms(ipc, 2);
1659                                 scr_printf("\n");
1660                                 break;
1661
1662                         case 69:
1663                                 misc_server_cmd(ipc, argbuf);
1664                                 break;
1665
1666                         case 70:
1667                                 edit_system_message(ipc, argbuf);
1668                                 break;
1669
1670                         case 19:
1671                                 listzrooms(ipc);
1672                                 scr_printf("\n");
1673                                 break;
1674
1675                         case 51:
1676                                 deletefile(ipc);
1677                                 break;
1678
1679                         case 53:
1680                                 netsendfile(ipc);
1681                                 break;
1682
1683                         case 54:
1684                                 movefile(ipc);
1685                                 break;
1686
1687                         case 56:
1688                                 page_user(ipc);
1689                                 break;
1690
1691                         }       /* end switch */
1692         } while (termn8 == 0);
1693
1694  TERMN8:        scr_printf("%s logged out.\n", fullname);
1695         while (march != NULL) {
1696                 remove_march(march->march_name, 0);
1697         }
1698         if (mcmd == 30) {
1699                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
1700         }
1701         CtdlIPCLogout(ipc);
1702         if ((mcmd == 29) || (mcmd == 15)) {
1703                 screen_delete();
1704                 sttybbs(SB_RESTORE);
1705                 formout(ipc, "goodbye");
1706                 logoff(ipc, 0);
1707         }
1708         goto GSTA;
1709
1710 }       /* end main() */