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_paths[MAX_EDITORS][SIZ];    /* paths to external editors */
  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, AllFloors, &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, AllFloors, &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 :
 762                  /* Look up the , in the bible if you're confused */
 763                  (locate_host(buf), buf), buf);
 764
 765         /* Tell the server what our preferred content formats are */
 766         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/html|text/plain") / 100 )== 2) {
 767                 can_do_msg4 = 1;
 768         }
 769 }
 770
 771
 772
 773
 774
 775 /*
 776  * Display list of users currently logged on to the server
 777  */
 778 void who_is_online(CtdlIPC *ipc, int longlist)
 779 {
 780         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
 781         char flags[SIZ];
 782         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
 783         char clientsoft[SIZ];
 784         time_t timenow = 0;
 785         time_t idletime, idlehours, idlemins, idlesecs;
 786         int last_session = (-1);
 787         int skipidle = 0;
 788         char *listing = NULL;
 789         int r;                          /* IPC response code */
 790
 791         if (longlist == 2) {
 792                 longlist = 0;
 793                 skipidle = 1;
 794         }
 795
 796         if (!longlist) {
 797                 color(BRIGHT_WHITE);
 798                 pprintf("FLG ###        User Name                 Room                 From host\n");
 799                 color(DIM_WHITE);
 800                 pprintf("--- --- ------------------------- -------------------- ------------------------\n");
 801         }
 802         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
 803         if (r / 100 == 1) {
 804                 while (strlen(listing) > 0) {
 805                         int isidle = 0;
 806
 807                         /* Get another line */
 808                         extract_token(buf, listing, 0, '\n');
 809                         remove_token(listing, 0, '\n');
 810
 811                         extract(username, buf, 1);
 812                         extract(roomname, buf, 2);
 813                         extract(fromhost, buf, 3);
 814                         extract(clientsoft, buf, 4);
 815                         extract(flags, buf, 7);
 816
 817                         idletime = timenow - extract_long(buf, 5);
 818                         idlehours = idletime / 3600;
 819                         idlemins = (idletime - (idlehours * 3600)) / 60;
 820                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
 821
 822                         if (idletime > rc_idle_threshold) {
 823                                 while (strlen(roomname) < 20) {
 824                                         strcat(roomname, " ");
 825                                 }
 826                                 strcpy(&roomname[14], "[idle]");
 827                                 if (skipidle)
 828                                         isidle = 1;
 829                         }
 830
 831                         if (longlist) {
 832                                 extract(actual_user, buf, 8);
 833                                 extract(actual_room, buf, 9);
 834                                 extract(actual_host, buf, 10);
 835
 836                                 pprintf("  Flags: %s\n", flags);
 837                                 pprintf("Session: %d\n", extract_int(buf, 0));
 838                                 pprintf("   Name: %s\n", username);
 839                                 pprintf("In room: %s\n", roomname);
 840                                 pprintf("   Host: %s\n", fromhost);
 841                                 pprintf(" Client: %s\n", clientsoft);
 842                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
 843                                         (long) idlehours,
 844                                         (long) idlemins,
 845                                         (long) idlesecs);
 846
 847                                 if ( (strlen(actual_user)+strlen(actual_room)+strlen(actual_host)) > 0) {
 848                                         pprintf("(really ");
 849                                         if (strlen(actual_user)>0) pprintf("<%s> ", actual_user);
 850                                         if (strlen(actual_room)>0) pprintf("in <%s> ", actual_room);
 851                                         if (strlen(actual_host)>0) pprintf("from <%s> ", actual_host);
 852                                         pprintf(")\n");
 853                                 }
 854                                 pprintf("\n");
 855
 856                         } else {
 857                     if (isidle == 0) {
 858                                 if (extract_int(buf, 0) == last_session) {
 859                                         pprintf("        ");
 860                                 } else {
 861                                         color(BRIGHT_MAGENTA);
 862                                         pprintf("%-3s ", flags);
 863                                         color(DIM_WHITE);
 864                                         pprintf("%-3d ", extract_int(buf, 0));
 865                                 }
 866                                 last_session = extract_int(buf, 0);
 867                                 color(BRIGHT_CYAN);
 868                                 pprintf("%-25s ", username);
 869                                 color(BRIGHT_MAGENTA);
 870                                 roomname[20] = 0;
 871                                 pprintf("%-20s ", roomname);
 872                                 color(BRIGHT_CYAN);
 873                                 fromhost[24] = '\0';
 874                                 pprintf("%-24s\n", fromhost);
 875                                 color(DIM_WHITE);
 876                         }
 877                         }
 878                 }
 879         }
 880         free(listing);
 881 }
 882
 883 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
 884 {
 885         char bbb[128];
 886         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 887         newprompt(bbb, buf, maxlen);
 888 }
 889
 890
 891
 892 int shift(int argc, char **argv, int start, int count) {
 893         int i;
 894
 895         for (i=start; i<(argc-count); ++i) {
 896                 argv[i] = argv[i+count];
 897         }
 898         argc = argc - count;
 899         return argc;
 900 }
 901
 902 static void statusHook(char *s) {
 903         sln_printf(s);
 904         sln_flush();
 905 }
 906
 907 /*
 908  * main
 909  */
 910 int main(int argc, char **argv)
 911 {
 912         int a, b, mcmd;
 913         char aaa[100], bbb[100];/* general purpose variables */
 914         char argbuf[32];        /* command line buf */
 915         char nonce[NONCE_SIZE];
 916         char *telnet_client_host = NULL;
 917         char *sptr, *sptr2;     /* USed to extract the nonce */
 918         char hexstring[MD5_HEXSTRING_SIZE];
 919         int stored_password = 0;
 920         char password[SIZ];
 921         struct ctdlipcmisc chek;
 922         struct usersupp *myself = NULL;
 923         CtdlIPC* ipc;                   /* Our server connection */
 924         int r;                          /* IPC result code */
 925
 926         setIPCDeathHook(screen_delete);
 927         setIPCErrorPrintf(err_printf);
 928         setCryptoStatusHook(statusHook);
 929
 930         /* Permissions sanity check - don't run citadel setuid/setgid */
 931         if (getuid() != geteuid()) {
 932                 err_printf("Please do not run citadel setuid!\n");
 933                 logoff(NULL, 3);
 934         } else if (getgid() != getegid()) {
 935                 err_printf("Please do not run citadel setgid!\n");
 936                 logoff(NULL, 3);
 937         }
 938
 939         sttybbs(SB_SAVE);       /* Store the old terminal parameters */
 940         load_command_set();     /* parse the citadel.rc file */
 941         sttybbs(SB_NO_INTR);    /* Install the new ones */
 942         signal(SIGHUP, dropcarr);       /* Cleanup gracefully if carrier is dropped */
 943         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
 944         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
 945 #ifdef SIGWINCH
 946         signal(SIGWINCH, scr_winch);    /* Window resize signal */
 947 #endif
 948
 949 #ifdef HAVE_OPENSSL
 950         arg_encrypt = RC_DEFAULT;
 951 #endif
 952 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
 953         arg_screen = RC_DEFAULT;
 954 #endif
 955
 956         /*
 957          * Handle command line options as if we were called like /bin/login
 958          * (i.e. from in.telnetd)
 959          */
 960         for (a=0; a<argc; ++a) {
 961                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
 962                         telnet_client_host = argv[a+1];
 963                         argc = shift(argc, argv, a, 2);
 964                 }
 965                 if (!strcmp(argv[a], "-x")) {
 966 #ifdef HAVE_OPENSSL
 967                         arg_encrypt = RC_NO;
 968 #endif
 969                         argc = shift(argc, argv, a, 1);
 970                 }
 971                 if (!strcmp(argv[a], "-X")) {
 972 #ifdef HAVE_OPENSSL
 973                         arg_encrypt = RC_YES;
 974                         argc = shift(argc, argv, a, 1);
 975 #else
 976                         fprintf(stderr, "Not compiled with encryption support");
 977                         return 1;
 978 #endif
 979                 }
 980                 if (!strcmp(argv[a], "-s")) {
 981 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
 982                         arg_screen = RC_NO;
 983 #endif
 984                         argc = shift(argc, argv, a, 1);
 985                 }
 986                 if (!strcmp(argv[a], "-S")) {
 987 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
 988                         arg_screen = RC_YES;
 989 #endif
 990                         argc = shift(argc, argv, a, 1);
 991                 }
 992                 if (!strcmp(argv[a], "-p")) {
 993                         struct stat st;
 994
 995                         if (chdir(BBSDIR) < 0) {
 996                                 perror("can't change to " BBSDIR);
 997                                 logoff(NULL, 3);
 998                         }
 999
1000                         /*
1001                          * Drop privileges if necessary. We stat
1002                          * citadel.config to get the uid/gid since it's
1003                          * guaranteed to have the uid/gid we want.
1004                          */
1005                         if (!getuid() || !getgid()) {
1006                                 if (stat(BBSDIR "/citadel.config", &st) < 0) {
1007                                         perror("couldn't stat citadel.config");
1008                                         logoff(NULL, 3);
1009                                 }
1010                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1011                                         perror("couldn't change gid");
1012                                         logoff(NULL, 3);
1013                                 }
1014                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1015                                         perror("couldn't change uid");
1016                                         logoff(NULL, 3);
1017                                 }
1018                                 /*
1019                                   scr_printf("Privileges changed to uid %d gid %d\n",
1020                                   getuid(), getgid());
1021                                 */
1022                         }
1023                         argc = shift(argc, argv, a, 1);
1024                 }
1025         }
1026
1027         screen_new();
1028
1029         sln_printf("Attaching to server... \r");
1030         sln_flush();
1031         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1032         if (!ipc) {
1033                 screen_delete();
1034                 error_printf("Can't connect: %s\n", strerror(errno));
1035                 logoff(NULL, 3);
1036         }
1037 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1038         CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1039 #endif
1040         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1041
1042         CtdlIPC_getline(ipc, aaa);
1043         if (aaa[0] != '2') {
1044                 scr_printf("%s\n", &aaa[4]);
1045                 logoff(ipc, atoi(aaa));
1046         }
1047
1048         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1049          * is zeroized.
1050          */
1051
1052         if ((sptr = strchr(aaa, '<')) == NULL)
1053                 {
1054                         nonce[0] = '\0';
1055                 }
1056         else
1057                 {
1058                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1059                                 {
1060                                         nonce[0] = '\0';
1061                                 }
1062                         else
1063                                 {
1064                                         sptr2++;
1065                                         *sptr2 = '\0';
1066                                         strncpy(nonce, sptr, NONCE_SIZE);
1067                                 }
1068                 }
1069
1070 #ifdef HAVE_OPENSSL
1071         /* Evaluate encryption preferences */
1072         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1073                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1074                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1075                         if (!secure)
1076                                 error_printf("Can't encrypt: %s\n", aaa);
1077                 }
1078         }
1079 #endif
1080
1081         get_serv_info(ipc, telnet_client_host);
1082         scr_printf("%-24s\n%s\n%s\n", serv_info.serv_software, serv_info.serv_humannode,
1083                    serv_info.serv_bbs_city);
1084         scr_flush();
1085
1086         status_line(serv_info.serv_humannode, serv_info.serv_bbs_city, NULL,
1087                     secure, -1);
1088
1089         screenwidth = 80;       /* default screen dimensions */
1090         screenheight = 24;
1091
1092         scr_printf(" pause    next    stop\n");
1093         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1094         formout(ipc, "hello");  /* print the opening greeting */
1095         scr_printf("\n");
1096
1097  GSTA:  /* See if we have a username and password on disk */
1098         if (rc_remember_passwords) {
1099                 get_stored_password(hostbuf, portbuf, fullname, password);
1100                 if (strlen(fullname) > 0) {
1101                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1102                         if (r / 100 == 3) {
1103                                 if (*nonce) {
1104                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1105                                 } else {
1106                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1107                                 }
1108                         }
1109
1110                         if (r / 100 == 2) {
1111                                 load_user_info(aaa);
1112                                 stored_password = 1;
1113                                 goto PWOK;
1114                         } else {
1115                                 set_stored_password(hostbuf, portbuf, "", "");
1116                         }
1117                 }
1118         }
1119
1120         termn8 = 0;
1121         newnow = 0;
1122         do {
1123                 if (strlen(rc_username) > 0) {
1124                         strcpy(fullname, rc_username);
1125                 } else {
1126                         newprompt("Enter your name: ", fullname, 29);
1127                 }
1128                 strproc(fullname);
1129                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1130                         scr_printf("Please enter the name you wish to log in with.\n");
1131                 }
1132         } while (
1133                  (!strcasecmp(fullname, "bbs"))
1134                  || (!strcasecmp(fullname, "new"))
1135                  || (strlen(fullname) == 0));
1136
1137         if (!strcasecmp(fullname, "off")) {
1138                 mcmd = 29;
1139                 goto TERMN8;
1140         }
1141         /* sign on to the server */
1142         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1143         if (r / 100 != 3)
1144                 goto NEWUSR;
1145
1146         /* password authentication */
1147         if (strlen(rc_password) > 0) {
1148                 strcpy(password, rc_password);
1149         } else {
1150                 newprompt("\rPlease enter your password: ", password, -19);
1151         }
1152         strproc(password);
1153
1154         if (*nonce) {
1155                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1156         } else {
1157                 r = CtdlIPCTryPassword(ipc, password, aaa);
1158         }
1159
1160         if (r / 100 == 2) {
1161                 load_user_info(aaa);
1162                 offer_to_remember_password(ipc, hostbuf, portbuf,
1163                                            fullname, password);
1164                 goto PWOK;
1165         }
1166         scr_printf("<< wrong password >>\n");
1167         if (strlen(rc_password) > 0)
1168                 logoff(ipc, 2);
1169         goto GSTA;
1170
1171 NEWUSR: if (strlen(rc_password) == 0) {
1172                 scr_printf("No record. Enter as new user? ");
1173                 if (yesno() == 0)
1174                         goto GSTA;
1175         }
1176
1177         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1178         if (r / 100 != 2) {
1179                 scr_printf("%s\n", aaa);
1180                 goto GSTA;
1181         }
1182         load_user_info(aaa);
1183
1184         while (set_password(ipc) != 0);
1185         newnow = 1;
1186
1187         enter_config(ipc, 1);
1188
1189  PWOK:
1190         /* Switch color support on or off if we're in user mode */
1191         if (rc_ansi_color == 3) {
1192                 if (userflags & US_COLOR)
1193                         enable_color = 1;
1194                 else
1195                         enable_color = 0;
1196         }
1197
1198         color(BRIGHT_WHITE);
1199         scr_printf("\n%s\nAccess level: %d (%s)\n"
1200                    "User #%ld / Login #%d",
1201                    fullname, axlevel, axdefs[(int) axlevel],
1202                    usernum, timescalled);
1203         if (lastcall > 0L) {
1204                 scr_printf(" / Last login: %s",
1205                            asctime(localtime(&lastcall)));
1206         }
1207         scr_printf("\n");
1208
1209         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1210         if (r / 100 == 2) {
1211                 b = chek.newmail;
1212                 if (b > 0) {
1213                         color(BRIGHT_RED);
1214                         if (b == 1)
1215                                 scr_printf("*** You have a new private message in Mail>\n");
1216                         if (b > 1)
1217                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1218                         color(DIM_WHITE);
1219                         if (strlen(rc_gotmail_cmd) > 0) {
1220                                 system(rc_gotmail_cmd);
1221                         }
1222                 }
1223                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1224                         scr_printf("*** Users need validation\n");
1225                 }
1226                 if (chek.needregis > 0) {
1227                         scr_printf("*** Please register.\n");
1228                         formout(ipc, "register");
1229                         entregis(ipc);
1230                 }
1231         }
1232         /* Make up some temporary filenames for use in various parts of the
1233          * program.  Don't mess with these once they've been set, because we
1234          * will be unlinking them later on in the program and we don't
1235          * want to delete something that we didn't create. */
1236         snprintf(temp, sizeof temp, tmpnam(NULL));
1237         snprintf(temp2, sizeof temp2, tmpnam(NULL));
1238         snprintf(tempdir, sizeof tempdir, tmpnam(NULL));
1239
1240         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1241          * we try to get the user's actual screen dimensions off the server.
1242          * However, if we're running on an xterm, all this stuff is
1243          * irrelevant because we're going to dynamically size the screen
1244          * during the session.
1245          */
1246         screenwidth = 80;
1247         screenheight = 24;
1248         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1249         if (r == 2) {
1250                 screenwidth = myself->USscreenwidth;
1251                 screenheight = myself->USscreenheight;
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(ipc, "_BASEROOM_", 1, 0);
1266
1267         /* Main loop for the system... user is logged in. */
1268         uglistsize = 0;
1269
1270         if (newnow == 1)
1271                 readmsgs(ipc, LastMessages, ReadForward, 5);
1272         else
1273                 readmsgs(ipc, NewMessages, ReadForward, 0);
1274
1275         /* MAIN COMMAND LOOP */
1276         do {
1277                 mcmd = getcmd(ipc, 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(ipc, "help");
1287                                 break;
1288                         case 4:
1289                                 entmsg(ipc, 0, 0);
1290                                 break;
1291                         case 36:
1292                                 entmsg(ipc, 0, 1);
1293                                 break;
1294                         case 46:
1295                                 entmsg(ipc, 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                                 CtdlIPC_putline(ipc, bbb);
1301                                 CtdlIPC_getline(ipc, aaa);
1302                                 if (strncmp("200", aaa, 3))
1303                                         scr_printf("\n%s\n", aaa);
1304                                 else
1305                                         entmsg(ipc, 0, 0);
1306                                 break;
1307                         case 5:
1308                                 updatels(ipc);
1309                                 gotonext(ipc);
1310                                 break;
1311                         case 47:
1312                                 if (!rc_alt_semantics)
1313                                         updatelsa(ipc);
1314                                 gotonext(ipc);
1315                                 break;
1316                         case 90:
1317                                 if (!rc_alt_semantics)
1318                                         updatelsa(ipc);
1319                                 dotgoto(ipc, argbuf, 0, 0);
1320                                 break;
1321                         case 58:
1322                                 updatelsa(ipc);
1323                                 dotgoto(ipc, "_MAIL_", 1, 0);
1324                                 break;
1325                         case 20:
1326                                 if (strlen(argbuf) > 0) {
1327                                         updatels(ipc);
1328                                         dotgoto(ipc, argbuf, 0, 0);
1329                                 }
1330                                 break;
1331                         case 52:
1332                                 if (strlen(argbuf) > 0) {
1333                                         if (rc_alt_semantics) {
1334                                                 updatelsa(ipc);
1335                                         }
1336                                         dotgoto(ipc, argbuf, 0, 0);
1337                                 }
1338                                 break;
1339                         case 95: /* what exactly is the numbering scheme supposed to be anyway? */
1340                                 dotungoto(ipc, argbuf);
1341                                 break;
1342                         case 10:
1343                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1344                                 break;
1345                         case 9:
1346                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1347                                 break;
1348                         case 13:
1349                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1350                                 break;
1351                         case 11:
1352                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1353                                 break;
1354                         case 12:
1355                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1356                                 break;
1357                         case 71:
1358                                 readmsgs(ipc, LastMessages, ReadForward,
1359                                                 atoi(argbuf));
1360                                 break;
1361                         case 7:
1362                                 forget(ipc);
1363                                 break;
1364                         case 18:
1365                                 subshell();
1366                                 break;
1367                         case 38:
1368                                 updatels(ipc);
1369                                 entroom(ipc);
1370                                 break;
1371                         case 22:
1372                                 killroom(ipc);
1373                                 break;
1374                         case 32:
1375                                 userlist(ipc, argbuf);
1376                                 break;
1377                         case 27:
1378                                 invite(ipc);
1379                                 break;
1380                         case 28:
1381                                 kickout(ipc);
1382                                 break;
1383                         case 23:
1384                                 editthisroom(ipc);
1385                                 break;
1386                         case 14:
1387                                 roomdir(ipc);
1388                                 break;
1389                         case 33:
1390                                 download(ipc, 0);
1391                                 break;
1392                         case 34:
1393                                 download(ipc, 1);
1394                                 break;
1395                         case 31:
1396                                 download(ipc, 2);
1397                                 break;
1398                         case 43:
1399                                 download(ipc, 3);
1400                                 break;
1401                         case 45:
1402                                 download(ipc, 4);
1403                                 break;
1404                         case 55:
1405                                 download(ipc, 5);
1406                                 break;
1407                         case 39:
1408                                 upload(ipc, 0);
1409                                 break;
1410                         case 40:
1411                                 upload(ipc, 1);
1412                                 break;
1413                         case 42:
1414                                 upload(ipc, 2);
1415                                 break;
1416                         case 44:
1417                                 upload(ipc, 3);
1418                                 break;
1419                         case 57:
1420                                 cli_upload(ipc);
1421                                 break;
1422                         case 16:
1423                                 ungoto(ipc);
1424                                 break;
1425                         case 24:
1426                                 whoknows(ipc);
1427                                 break;
1428                         case 26:
1429                                 validate(ipc);
1430                                 break;
1431                         case 29:
1432                         case 30:
1433                                 if (!rc_alt_semantics)
1434                                         updatels(ipc);
1435                                 termn8 = 1;
1436                                 break;
1437                         case 48:
1438                                 enterinfo(ipc);
1439                                 break;
1440                         case 49:
1441                                 readinfo(ipc);
1442                                 break;
1443                         case 72:
1444                                 cli_image_upload(ipc, "_userpic_");
1445                                 break;
1446                         case 73:
1447                                 cli_image_upload(ipc, "_roompic_");
1448                                 break;
1449
1450                         case 74:
1451                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1452                                 cli_image_upload(ipc, aaa);
1453                                 break;
1454
1455                         case 75:
1456                                 enternew(ipc, "roomname", aaa, 20);
1457                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1458                                 if (r / 100 != 2)
1459                                         scr_printf("\n%s\n", aaa);
1460                                 break;
1461                         case 76:
1462                                 enternew(ipc, "hostname", aaa, 25);
1463                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1464                                 if (r / 100 != 2)
1465                                         scr_printf("\n%s\n", aaa);
1466                                 break;
1467                         case 77:
1468                                 enternew(ipc, "username", aaa, 32);
1469                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
1470                                 if (r / 100 != 2)
1471                                         scr_printf("\n%s\n", aaa);
1472                                 break;
1473
1474                         case 35:
1475                                 set_password(ipc);
1476                                 break;
1477
1478                         case 21:
1479                                 if (argbuf[0] == 0)
1480                                         strcpy(aaa, "?");
1481                                 display_help(ipc, argbuf);
1482                                 break;
1483
1484                         case 41:
1485                                 formout(ipc, "register");
1486                                 entregis(ipc);
1487                                 break;
1488
1489                         case 15:
1490                                 scr_printf("Are you sure (y/n)? ");
1491                                 if (yesno() == 1) {
1492                                         if (!rc_alt_semantics)
1493                                                 updatels(ipc);
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                                         if (!rc_alt_semantics)
1504                                                 updatels(ipc);
1505                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
1506                                         scr_printf("%s\n", aaa);
1507                                         if (r / 100 == 2) {
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                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
1519                                         if (r / 100 == 2) {
1520                                                 if (atoi(aaa)) {
1521                                                         scr_printf(
1522                                                                    "The Citadel server will terminate when all users are logged off.\n"
1523                                                                    );
1524                                                 } else {
1525                                                         scr_printf(
1526                                                                    "The Citadel server will not terminate.\n"
1527                                                                    );
1528                                                 }
1529                                         }
1530                                 }
1531                                 break;
1532
1533                         case 87:
1534                                 network_config_management(ipc, "listrecp",
1535                                                           "Message-by-message mailing list recipients");
1536                                 break;
1537
1538                         case 94:
1539                                 network_config_management(ipc, "digestrecp",
1540                                                           "Digest mailing list recipients");
1541                                 break;
1542
1543                         case 89:
1544                                 network_config_management(ipc, "ignet_push_share",
1545                                                           "Nodes with which we share this room");
1546                                 break;
1547
1548                         case 88:
1549                                 do_ignet_configuration(ipc);
1550                                 break;
1551
1552                         case 92:
1553                                 do_filterlist_configuration(ipc);
1554                                 break;
1555
1556                         case 6:
1557                                 if (rc_alt_semantics)
1558                                         updatelsa(ipc);
1559                                 gotonext(ipc);
1560                                 break;
1561
1562                         case 3:
1563                                 chatmode(ipc);
1564                                 break;
1565
1566                         case 2:
1567                                 if (ipc->isLocal) {
1568                                         screen_reset();
1569                                         sttybbs(SB_RESTORE);
1570                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
1571                                                  "exec ./subsystem %ld %d %d", fullname,
1572                                                  usernum, screenwidth, axlevel);
1573                                         ka_system(aaa);
1574                                         sttybbs(SB_NO_INTR);
1575                                         screen_set();
1576                                 } else {
1577                                         scr_printf("*** Can't run doors when server is not local.\n");
1578                                 }
1579                                 break;
1580
1581                         case 17:
1582                                 who_is_online(ipc, 0);
1583                                 break;
1584
1585                         case 79:
1586                                 who_is_online(ipc, 1);
1587                                 break;
1588
1589                         case 91:
1590                                 who_is_online(ipc, 2);
1591                                 break;
1592
1593                         case 80:
1594                                 do_system_configuration(ipc);
1595                                 break;
1596
1597                         case 82:
1598                                 do_internet_configuration(ipc);
1599                                 break;
1600
1601                         case 83:
1602                                 check_message_base(ipc);
1603                                 break;
1604
1605                         case 84:
1606                                 quiet_mode(ipc);
1607                                 break;
1608
1609                         case 93:
1610                                 stealth_mode(ipc);
1611                                 break;
1612
1613                         case 50:
1614                                 enter_config(ipc, 2);
1615                                 break;
1616
1617                         case 37:
1618                                 enter_config(ipc, 0);
1619                                 set_floor_mode();
1620                                 break;
1621
1622                         case 59:
1623                                 enter_config(ipc, 3);
1624                                 set_floor_mode();
1625                                 break;
1626
1627                         case 60:
1628                                 gotofloor(ipc, argbuf, GF_GOTO);
1629                                 break;
1630
1631                         case 61:
1632                                 gotofloor(ipc, argbuf, GF_SKIP);
1633                                 break;
1634
1635                         case 62:
1636                                 forget_this_floor(ipc);
1637                                 break;
1638
1639                         case 63:
1640                                 create_floor(ipc);
1641                                 break;
1642
1643                         case 64:
1644                                 edit_floor(ipc);
1645                                 break;
1646
1647                         case 65:
1648                                 kill_floor(ipc);
1649                                 break;
1650
1651                         case 66:
1652                                 enter_bio(ipc);
1653                                 break;
1654
1655                         case 67:
1656                                 read_bio(ipc);
1657                                 break;
1658
1659                         case 25:
1660                                 edituser(ipc);
1661                                 break;
1662
1663                         case 8:
1664                                 knrooms(ipc, floor_mode);
1665                                 scr_printf("\n");
1666                                 break;
1667
1668                         case 68:
1669                                 knrooms(ipc, 2);
1670                                 scr_printf("\n");
1671                                 break;
1672
1673                         case 69:
1674                                 misc_server_cmd(ipc, argbuf);
1675                                 break;
1676
1677                         case 70:
1678                                 edit_system_message(ipc, argbuf);
1679                                 break;
1680
1681                         case 19:
1682                                 listzrooms(ipc);
1683                                 scr_printf("\n");
1684                                 break;
1685
1686                         case 51:
1687                                 deletefile(ipc);
1688                                 break;
1689
1690                         case 53:
1691                                 netsendfile(ipc);
1692                                 break;
1693
1694                         case 54:
1695                                 movefile(ipc);
1696                                 break;
1697
1698                         case 56:
1699                                 page_user(ipc);
1700                                 break;
1701
1702                         default: /* allow some math on the command */
1703                                 /* commands 100... to 100+MAX_EDITORS-1 will
1704                                    call the appropriate editor... in other
1705                                    words, command numbers 100+ will match
1706                                    the citadel.rc keys editor0, editor1, etc.*/
1707                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
1708                                 {
1709                                         /* entmsg mode >=2 select editor */
1710                                         entmsg(ipc, 0, mcmd - 100 + 2);
1711                                         break;
1712                                 }
1713                         }       /* end switch */
1714         } while (termn8 == 0);
1715
1716 TERMN8: scr_printf("%s logged out.", fullname);
1717         color(ORIGINAL_PAIR);
1718         scr_printf("\n");
1719         while (march != NULL) {
1720                 remove_march(march->march_name, 0);
1721         }
1722         if (mcmd == 30) {
1723                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
1724         }
1725         CtdlIPCLogout(ipc);
1726         if ((mcmd == 29) || (mcmd == 15)) {
1727                 screen_delete();
1728                 sttybbs(SB_RESTORE);
1729                 formout(ipc, "goodbye");
1730                 logoff(ipc, 0);
1731         }
1732         goto GSTA;
1733
1734 }       /* end main() */