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 <stdarg.h>
  34 #include <errno.h>
  35
  36 #include "citadel.h"
  37 #include "citadel_ipc.h"
  38 #include "axdefs.h"
  39 #include "routines.h"
  40 #include "routines2.h"
  41 #include "rooms.h"
  42 #include "messages.h"
  43 #include "commands.h"
  44 #include "client_chat.h"
  45 #include "client_passwords.h"
  46 #include "citadel_decls.h"
  47 #include "tools.h"
  48 #include "acconfig.h"
  49 #ifndef HAVE_SNPRINTF
  50 #include "snprintf.h"
  51 #endif
  52 #include "screen.h"
  53
  54 #include "md5.h"
  55
  56 #define IFEXPERT if (userflags&US_EXPERT)
  57 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  58 #define IFAIDE if (axlevel>=6)
  59 #define IFNAIDE if (axlevel<6)
  60
  61 struct march *march = NULL;
  62
  63 /* globals associated with the client program */
  64 char temp[PATH_MAX];            /* Name of general-purpose temp file */
  65 char temp2[PATH_MAX];           /* Name of general-purpose temp file */
  66 char tempdir[PATH_MAX];         /* Name of general-purpose temp directory */
  67 char editor_paths[MAX_EDITORS][SIZ];    /* paths to external editors */
  68 char printcmd[SIZ];             /* print command */
  69 int editor_pid = (-1);
  70 char fullname[USERNAME_SIZE];
  71 struct CtdlServInfo serv_info;  /* Info on the server connected */
  72 int screenwidth;
  73 int screenheight;
  74 unsigned room_flags;
  75 char room_name[ROOMNAMELEN];
  76 char *uglist[UGLISTLEN]; /* size of the ungoto list */
  77 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
  78 int uglistsize = 0;
  79 char is_mail = 0;               /* nonzero when we're in a mail room */
  80 char axlevel = 0;               /* access level */
  81 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
  82 int timescalled;
  83 int posted;
  84 unsigned userflags;
  85 long usernum = 0L;              /* user number */
  86 time_t lastcall = 0L;           /* Date/time of previous login */
  87 char newnow;
  88 long highest_msg_read;          /* used for <A>bandon room cmd */
  89 long maxmsgnum;                 /* used for <G>oto */
  90 char sigcaught = 0;
  91 char have_xterm = 0;            /* are we running on an xterm? */
  92 char rc_username[USERNAME_SIZE];
  93 char rc_password[32];
  94 char hostbuf[SIZ];
  95 char portbuf[SIZ];
  96 char rc_floor_mode;
  97 char floor_mode;
  98 char curr_floor = 0;            /* number of current floor */
  99 char floorlist[128][SIZ];       /* names of floors */
 100 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
 101 int secure;                     /* Set to nonzero when wire is encrypted */
 102 int can_do_msg4 = 0;            /* Set to nonzero if the server can handle MSG4 commands */
 103
 104 extern char express_msgs;       /* express messages waiting! */
 105 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
 106 extern int next_lazy_cmd;
 107
 108 CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
 109
 110 /*
 111  * here is our 'clean up gracefully and exit' routine
 112  */
 113 void logoff(CtdlIPC *ipc, int code)
 114 {
 115         int lp;
 116
 117         if (editor_pid > 0) {   /* kill the editor if it's running */
 118                 kill(editor_pid, SIGHUP);
 119         }
 120
 121         /* Free the ungoto list */
 122         for (lp = 0; lp < uglistsize; lp++) {
 123                 free(uglist[lp]);
 124         }
 125
 126 /* Shut down the server connection ... but not if the logoff code is 3,
 127  * because that means we're exiting because we already lost the server.
 128  */
 129         if (code != 3) {
 130                 CtdlIPCQuit(ipc);
 131         }
 132
 133 /*
 134  * now clean up various things
 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 /* general purpose routines */
 179
 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
 362                 uglist[ugpos] = malloc(strlen(room_name)+1);
 363                 strcpy(uglist[ugpos], room_name);
 364                 uglistlsn[ugpos] = ls;
 365         }
 366
 367         /* first try an exact match */
 368         r = CtdlIPCGotoRoom(ipc, towhere, "", &roomrec, aaa);
 369         if (r / 10 == 54) {
 370                 newprompt("Enter room password: ", bbb, 9);
 371                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &roomrec, aaa);
 372                 if (r / 10 == 54) {
 373                         scr_printf("Wrong password.\n");
 374                         return;
 375                 }
 376         }
 377
 378         /*
 379          * If a match is not found, try a partial match.
 380          * Partial matches anywhere in the string carry a weight of 1,
 381          * left-aligned matches carry a weight of 2.  Pick the room that
 382          * has the highest-weighted match.
 383          */
 384         if (r / 100 != 2) {
 385                 struct march *march = NULL;
 386
 387                 best_match = 0;
 388                 strcpy(bbb, "");
 389
 390                 r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, AllFloors, &march, aaa);
 391                 if (r / 100 == 1) {
 392                         /* Run the roomlist; free the data as we go */
 393                         struct march *mp = march;       /* Current */
 394
 395                         while (mp) {
 396                                 partial_match = 0;
 397                                 if (pattern(mp->march_name, towhere) >= 0) {
 398                                         partial_match = 1;
 399                                 }
 400                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
 401                                         partial_match = 2;
 402                                 }
 403                                 if (partial_match > best_match) {
 404                                         strcpy(bbb, mp->march_name);
 405                                         best_match = partial_match;
 406                                 }
 407                                 /* Both pointers are NULL at end of list */
 408                                 march = mp->next;
 409                                 free(mp);
 410                                 mp = march;
 411                         }
 412                 }
 413
 414                 if (strlen(bbb) == 0) {
 415                         scr_printf("No room '%s'.\n", towhere);
 416                         return;
 417                 }
 418                 roomrec = NULL;
 419                 r = CtdlIPCGotoRoom(ipc, bbb, "", &roomrec, aaa);
 420         }
 421         if (r / 100 != 1 && r / 100 != 2) {
 422                 scr_printf("%s\n", aaa);
 423                 return;
 424         }
 425         safestrncpy(room_name, roomrec->RRname, ROOMNAMELEN);
 426         room_flags = roomrec->RRflags;
 427         from_floor = curr_floor;
 428         curr_floor = roomrec->RRfloor;
 429
 430         remove_march(room_name, 0);
 431         if (!strcasecmp(towhere, "_BASEROOM_"))
 432                 remove_march(towhere, 0);
 433         if (!roomrec->RRunread)
 434                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
 435         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 436                 if (floorlist[(int) curr_floor][0] == 0)
 437                         load_floorlist(ipc);
 438                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 439         }
 440         if (display_name == 1) {
 441                 color(BRIGHT_WHITE);
 442                 scr_printf("%s ", room_name);
 443                 color(DIM_WHITE);
 444                 scr_printf("- ");
 445         }
 446         if (display_name != 2) {
 447                 color(BRIGHT_YELLOW);
 448                 scr_printf("%d ", roomrec->RRunread);
 449                 color(DIM_WHITE);
 450                 scr_printf("new of ");
 451                 color(BRIGHT_YELLOW);
 452                 scr_printf("%d ", roomrec->RRtotal);
 453                 color(DIM_WHITE);
 454                 scr_printf("messages.\n");
 455         }
 456         highest_msg_read = roomrec->RRlastread;
 457         maxmsgnum = roomrec->RRhighest;
 458         is_mail = roomrec->RRismailbox;
 459         is_room_aide = roomrec->RRaide;
 460         ls = roomrec->RRlastread;
 461
 462         /* read info file if necessary */
 463         if (roomrec->RRinfoupdated > 0)
 464                 readinfo(ipc);
 465
 466         /* check for newly arrived mail if we can */
 467         newmailcount = roomrec->RRnewmail;
 468         if (newmailcount > 0) {
 469                 color(BRIGHT_RED);
 470                 if (newmailcount == 1) {
 471                         scr_printf("*** A new mail message has arrived.\n");
 472                 }
 473                 else {
 474                         scr_printf("*** %d new mail messages have arrived.\n",
 475                                         newmailcount);
 476                 }
 477                 color(DIM_WHITE);
 478                 if (strlen(rc_gotmail_cmd) > 0) {
 479                         system(rc_gotmail_cmd);
 480                 }
 481         }
 482         status_line(serv_info.serv_humannode, serv_info.serv_bbs_city,
 483                         room_name, secure, newmailcount);
 484 }
 485
 486 /* Goto next room having unread messages.
 487  * We want to skip over rooms that the user has already been to, and take the
 488  * user back to the lobby when done.  The room we end up in is placed in
 489  * newroom - which is set to 0 (the lobby) initially.
 490  */
 491 void gotonext(CtdlIPC *ipc)
 492 {
 493         char buf[SIZ];
 494         struct march *mptr, *mptr2;
 495         char next_room[ROOMNAMELEN];
 496         int r;                          /* IPC response code */
 497
 498         /* Check to see if the march-mode list is already allocated.
 499          * If it is, pop the first room off the list and go there.
 500          */
 501         if (march == NULL) {
 502                 r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
 503                                         AllFloors, &march, buf);
 504
 505 /* add _BASEROOM_ to the end of the march list, so the user will end up
 506  * in the system base room (usually the Lobby>) at the end of the loop
 507  */
 508                 mptr = (struct march *) malloc(sizeof(struct march));
 509                 mptr->next = NULL;
 510                 strcpy(mptr->march_name, "_BASEROOM_");
 511                 if (march == NULL) {
 512                         march = mptr;
 513                 } else {
 514                         mptr2 = march;
 515                         while (mptr2->next != NULL)
 516                                 mptr2 = mptr2->next;
 517                         mptr2->next = mptr;
 518                 }
 519 /*
 520  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 521  * walk around in circles
 522  */
 523                 remove_march(room_name, 0);
 524         }
 525         if (march != NULL) {
 526                 strcpy(next_room, pop_march(curr_floor));
 527         } else {
 528                 strcpy(next_room, "_BASEROOM_");
 529         }
 530         remove_march(next_room, 0);
 531         dotgoto(ipc, next_room, 1, 0);
 532 }
 533
 534 /*
 535  * forget all rooms on a given floor
 536  */
 537 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
 538 {
 539         char buf[SIZ];
 540         struct march *flist, *fptr;
 541         struct ctdlipcroom *roomrec;    /* Ignored */
 542         int r;                          /* IPC response code */
 543
 544         scr_printf("Forgetting all rooms on %s...\r", &floorlist[ffloor][0]);
 545         scr_flush();
 546         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
 547         if (r / 100 != 1) {
 548                 scr_printf("%-72s\n", buf);
 549                 return;
 550         }
 551         while (flist) {
 552                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &roomrec, buf);
 553                 if (r / 100 == 2) {
 554                         r = CtdlIPCForgetRoom(ipc, buf);
 555                 }
 556                 fptr = flist;
 557                 flist = flist->next;
 558                 free(fptr);
 559         }
 560         scr_printf("%-72s\r", "");
 561 }
 562
 563
 564 /*
 565  * routine called by gotofloor() to move to a new room on a new floor
 566  */
 567 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
 568 {
 569         int floor_being_left;
 570
 571         floor_being_left = curr_floor;
 572
 573         if (mode == GF_GOTO) {  /* <;G>oto mode */
 574                 updatels(ipc);
 575                 dotgoto(ipc, towhere, 1, 0);
 576         }
 577         if (mode == GF_SKIP) {  /* <;S>kip mode */
 578                 dotgoto(ipc, towhere, 1, 0);
 579                 remove_march("_FLOOR_", floor_being_left);
 580         }
 581         if (mode == GF_ZAP) {   /* <;Z>ap mode */
 582                 dotgoto(ipc, towhere, 1, 0);
 583                 remove_march("_FLOOR_", floor_being_left);
 584                 forget_all_rooms_on(ipc, floor_being_left);
 585         }
 586 }
 587
 588
 589 /*
 590  * go to a new floor
 591  */
 592 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
 593 {
 594         int a, tofloor;
 595         int r;          /* IPC response code */
 596         struct march *mptr;
 597         char buf[SIZ], targ[SIZ];
 598
 599         if (floorlist[0][0] == 0)
 600                 load_floorlist(ipc);
 601         tofloor = (-1);
 602         for (a = 0; a < 128; ++a)
 603                 if (!strcasecmp(&floorlist[a][0], towhere))
 604                         tofloor = a;
 605
 606         if (tofloor < 0) {
 607                 for (a = 0; a < 128; ++a) {
 608                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 609                                 tofloor = a;
 610                         }
 611                 }
 612         }
 613         if (tofloor < 0) {
 614                 for (a = 0; a < 128; ++a)
 615                         if (pattern(towhere, &floorlist[a][0]) > 0)
 616                                 tofloor = a;
 617         }
 618         if (tofloor < 0) {
 619                 scr_printf("No floor '%s'.\n", towhere);
 620                 return;
 621         }
 622         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 623                 if ((mptr->march_floor) == tofloor)
 624                         gf_toroom(ipc, mptr->march_name, mode);
 625                 return;
 626         }
 627
 628         strcpy(targ, "");
 629         mptr = NULL;
 630         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
 631         if (r / 100 == 1) {
 632                 struct march *tmp = mptr;
 633
 634                 /* TODO: room order is being ignored? */
 635                 if (mptr)
 636                         strncpy(targ, mptr->march_name, ROOMNAMELEN);
 637                 while (mptr) {
 638                         tmp = mptr->next;
 639                         free(mptr);
 640                         mptr = tmp;
 641                 }
 642         }
 643         if (strlen(targ) > 0) {
 644                 gf_toroom(ipc, targ, mode);
 645         } else {
 646                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 647         }
 648 }
 649
 650
 651 /*
 652  * forget all rooms on current floor
 653  */
 654 void forget_this_floor(CtdlIPC *ipc)
 655 {
 656
 657         if (curr_floor == 0) {
 658                 scr_printf("Can't forget this floor.\n");
 659                 return;
 660         }
 661         if (floorlist[0][0] == 0)
 662                 load_floorlist(ipc);
 663         scr_printf("Are you sure you want to forget all rooms on %s? ",
 664                &floorlist[(int) curr_floor][0]);
 665         if (yesno() == 0)
 666                 return;
 667
 668         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
 669 }
 670
 671
 672 /*
 673  * Figure out the physical screen dimensions, if we can
 674  * WARNING:  this is now called from a signal handler!
 675  */
 676 void check_screen_dims(void)
 677 {
 678 #ifdef TIOCGWINSZ
 679         struct {
 680                 unsigned short height;  /* rows */
 681                 unsigned short width;   /* columns */
 682                 unsigned short xpixels;
 683                 unsigned short ypixels;         /* pixels */
 684         } xwinsz;
 685
 686         if (have_xterm) {       /* dynamically size screen if on an xterm */
 687                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
 688                         if (xwinsz.height)
 689                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
 690                         if (xwinsz.width)
 691                                 screenwidth = (int) xwinsz.width;
 692                 }
 693         }
 694 #endif
 695 }
 696
 697
 698 /*
 699  * set floor mode depending on client, server, and user settings
 700  */
 701 void set_floor_mode(void)
 702 {
 703         if (serv_info.serv_ok_floors == 0) {
 704                 floor_mode = 0; /* Don't use floors if the server */
 705         }
 706         /* doesn't support them!          */
 707         else {
 708                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 709                         floor_mode = 0;
 710                 }
 711                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 712                         floor_mode = 1;
 713                 }
 714                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 715                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 716                 }
 717         }
 718 }
 719
 720 /*
 721  * Set or change the user's password
 722  */
 723 int set_password(CtdlIPC *ipc)
 724 {
 725         char pass1[20];
 726         char pass2[20];
 727         char buf[SIZ];
 728
 729         if (strlen(rc_password) > 0) {
 730                 strcpy(pass1, rc_password);
 731                 strcpy(pass2, rc_password);
 732         } else {
 733                 IFNEXPERT formout(ipc, "changepw");
 734                 newprompt("Enter a new password: ", pass1, -19);
 735                 newprompt("Enter it again to confirm: ", pass2, -19);
 736         }
 737         strproc(pass1);
 738         strproc(pass2);
 739         if (!strcasecmp(pass1, pass2)) {
 740                 CtdlIPCChangePassword(ipc, pass1, buf);
 741                 scr_printf("%s\n", buf);
 742                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
 743                 return (0);
 744         } else {
 745                 scr_printf("*** They don't match... try again.\n");
 746                 return (1);
 747         }
 748 }
 749
 750
 751
 752 /*
 753  * get info about the server we've connected to
 754  */
 755 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
 756 {
 757         char buf[SIZ];
 758
 759         CtdlIPCServerInfo(ipc, &serv_info, buf);
 760
 761         /* be nice and identify ourself to the server */
 762         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
 763                  (ipc->isLocal ? "local" : CITADEL),
 764                  (supplied_hostname) ? supplied_hostname :
 765                  /* Look up the , in the bible if you're confused */
 766                  (locate_host(buf), buf), buf);
 767
 768         /* Tell the server what our preferred content formats are */
 769         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/html|text/plain") / 100 )== 2) {
 770                 can_do_msg4 = 1;
 771         }
 772 }
 773
 774
 775
 776
 777
 778 /*
 779  * Display list of users currently logged on to the server
 780  */
 781 void who_is_online(CtdlIPC *ipc, int longlist)
 782 {
 783         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
 784         char flags[SIZ];
 785         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
 786         char clientsoft[SIZ];
 787         time_t timenow = 0;
 788         time_t idletime, idlehours, idlemins, idlesecs;
 789         int last_session = (-1);
 790         int skipidle = 0;
 791         char *listing = NULL;
 792         int r;                          /* IPC response code */
 793
 794         if (longlist == 2) {
 795                 longlist = 0;
 796                 skipidle = 1;
 797         }
 798
 799         if (!longlist) {
 800                 color(BRIGHT_WHITE);
 801                 pprintf("FLG ###        User Name                 Room                 From host\n");
 802                 color(DIM_WHITE);
 803                 pprintf("--- --- ------------------------- -------------------- ------------------------\n");
 804         }
 805         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
 806         if (r / 100 == 1) {
 807                 while (strlen(listing) > 0) {
 808                         int isidle = 0;
 809
 810                         /* Get another line */
 811                         extract_token(buf, listing, 0, '\n');
 812                         remove_token(listing, 0, '\n');
 813
 814                         extract(username, buf, 1);
 815                         extract(roomname, buf, 2);
 816                         extract(fromhost, buf, 3);
 817                         extract(clientsoft, buf, 4);
 818                         extract(flags, buf, 7);
 819
 820                         idletime = timenow - extract_long(buf, 5);
 821                         idlehours = idletime / 3600;
 822                         idlemins = (idletime - (idlehours * 3600)) / 60;
 823                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
 824
 825                         if (idletime > rc_idle_threshold) {
 826                                 /*
 827                                 while (strlen(roomname) < 20) {
 828                                         strcat(roomname, " ");
 829                                 }
 830                                 strcpy(&roomname[14], "[idle]");
 831                                 */
 832                                 if (skipidle)
 833                                         isidle = 1;
 834                         }
 835
 836                         if (longlist) {
 837                                 extract(actual_user, buf, 8);
 838                                 extract(actual_room, buf, 9);
 839                                 extract(actual_host, buf, 10);
 840
 841                                 pprintf("  Flags: %s\n", flags);
 842                                 pprintf("Session: %d\n", extract_int(buf, 0));
 843                                 pprintf("   Name: %s\n", username);
 844                                 pprintf("In room: %s\n", roomname);
 845                                 pprintf("   Host: %s\n", fromhost);
 846                                 pprintf(" Client: %s\n", clientsoft);
 847                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
 848                                         (long) idlehours,
 849                                         (long) idlemins,
 850                                         (long) idlesecs);
 851
 852                                 if ( (strlen(actual_user)+strlen(actual_room)+strlen(actual_host)) > 0) {
 853                                         pprintf("(really ");
 854                                         if (strlen(actual_user)>0) pprintf("<%s> ", actual_user);
 855                                         if (strlen(actual_room)>0) pprintf("in <%s> ", actual_room);
 856                                         if (strlen(actual_host)>0) pprintf("from <%s> ", actual_host);
 857                                         pprintf(")\n");
 858                                 }
 859                                 pprintf("\n");
 860
 861                         } else {
 862                     if (isidle == 0) {
 863                                 if (extract_int(buf, 0) == last_session) {
 864                                         pprintf("        ");
 865                                 } else {
 866                                         color(BRIGHT_MAGENTA);
 867                                         pprintf("%-3s ", flags);
 868                                         color(DIM_WHITE);
 869                                         pprintf("%-3d ", extract_int(buf, 0));
 870                                 }
 871                                 last_session = extract_int(buf, 0);
 872                                 color(BRIGHT_CYAN);
 873                                 pprintf("%-25s ", username);
 874                                 color(BRIGHT_MAGENTA);
 875                                 if (idletime > rc_idle_threshold) {
 876                                         roomname[14] = 0;
 877                                         pprintf("%-14s", roomname);
 878                                         /* over 10 days, must be gone fishing */
 879                                         if (idlehours > 239) {
 880                                                 pprintf("[fish] ");
 881                                         /* over 10 hours */
 882                                         } else if (idlehours > 9) {
 883                                                 pprintf("[%1ldd%02ld] ",
 884                                                         idlehours / 24,
 885                                                         idlehours % 24);
 886                                         /* less than 10 hours */
 887                                         } else {
 888                                                 pprintf("[%1ld:%02ld] ",
 889                                                         idlehours, idlemins);
 890                                         }
 891                                 } else {
 892                                         roomname[20] = 0;
 893                                         pprintf("%-20s ", roomname);
 894                                 }
 895                                 color(BRIGHT_CYAN);
 896                                 fromhost[24] = '\0';
 897                                 pprintf("%-24s\n", fromhost);
 898                                 color(DIM_WHITE);
 899                         }
 900                         }
 901                 }
 902         }
 903         free(listing);
 904 }
 905
 906 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
 907 {
 908         char bbb[128];
 909         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 910         newprompt(bbb, buf, maxlen);
 911 }
 912
 913
 914
 915 int shift(int argc, char **argv, int start, int count) {
 916         int i;
 917
 918         for (i=start; i<(argc-count); ++i) {
 919                 argv[i] = argv[i+count];
 920         }
 921         argc = argc - count;
 922         return argc;
 923 }
 924
 925 static void statusHook(char *s) {
 926         sln_printf(s);
 927         sln_flush();
 928 }
 929
 930 /*
 931  * main
 932  */
 933 int main(int argc, char **argv)
 934 {
 935         int a, b, mcmd;
 936         char aaa[100], bbb[100];/* general purpose variables */
 937         char argbuf[32];        /* command line buf */
 938         char nonce[NONCE_SIZE];
 939         char *telnet_client_host = NULL;
 940         char *sptr, *sptr2;     /* USed to extract the nonce */
 941         char hexstring[MD5_HEXSTRING_SIZE];
 942         int stored_password = 0;
 943         char password[SIZ];
 944         struct ctdlipcmisc chek;
 945         struct usersupp *myself = NULL;
 946         CtdlIPC* ipc;                   /* Our server connection */
 947         int r;                          /* IPC result code */
 948
 949         setIPCDeathHook(screen_delete);
 950         setIPCErrorPrintf(err_printf);
 951         setCryptoStatusHook(statusHook);
 952
 953         /* Permissions sanity check - don't run citadel setuid/setgid */
 954         if (getuid() != geteuid()) {
 955                 err_printf("Please do not run citadel setuid!\n");
 956                 logoff(NULL, 3);
 957         } else if (getgid() != getegid()) {
 958                 err_printf("Please do not run citadel setgid!\n");
 959                 logoff(NULL, 3);
 960         }
 961
 962         sttybbs(SB_SAVE);       /* Store the old terminal parameters */
 963         load_command_set();     /* parse the citadel.rc file */
 964         sttybbs(SB_NO_INTR);    /* Install the new ones */
 965         signal(SIGHUP, dropcarr);       /* Cleanup gracefully if carrier is dropped */
 966         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
 967         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
 968 #ifdef SIGWINCH
 969         signal(SIGWINCH, scr_winch);    /* Window resize signal */
 970 #endif
 971
 972 #ifdef HAVE_OPENSSL
 973         arg_encrypt = RC_DEFAULT;
 974 #endif
 975 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
 976         arg_screen = RC_DEFAULT;
 977 #endif
 978
 979         /*
 980          * Handle command line options as if we were called like /bin/login
 981          * (i.e. from in.telnetd)
 982          */
 983         for (a=0; a<argc; ++a) {
 984                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
 985                         telnet_client_host = argv[a+1];
 986                         argc = shift(argc, argv, a, 2);
 987                 }
 988                 if (!strcmp(argv[a], "-x")) {
 989 #ifdef HAVE_OPENSSL
 990                         arg_encrypt = RC_NO;
 991 #endif
 992                         argc = shift(argc, argv, a, 1);
 993                 }
 994                 if (!strcmp(argv[a], "-X")) {
 995 #ifdef HAVE_OPENSSL
 996                         arg_encrypt = RC_YES;
 997                         argc = shift(argc, argv, a, 1);
 998 #else
 999                         fprintf(stderr, "Not compiled with encryption support");
1000                         return 1;
1001 #endif
1002                 }
1003                 if (!strcmp(argv[a], "-s")) {
1004 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1005                         arg_screen = RC_NO;
1006 #endif
1007                         argc = shift(argc, argv, a, 1);
1008                 }
1009                 if (!strcmp(argv[a], "-S")) {
1010 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1011                         arg_screen = RC_YES;
1012 #endif
1013                         argc = shift(argc, argv, a, 1);
1014                 }
1015                 if (!strcmp(argv[a], "-p")) {
1016                         struct stat st;
1017
1018                         if (chdir(BBSDIR) < 0) {
1019                                 perror("can't change to " BBSDIR);
1020                                 logoff(NULL, 3);
1021                         }
1022
1023                         /*
1024                          * Drop privileges if necessary. We stat
1025                          * citadel.config to get the uid/gid since it's
1026                          * guaranteed to have the uid/gid we want.
1027                          */
1028                         if (!getuid() || !getgid()) {
1029                                 if (stat(BBSDIR "/citadel.config", &st) < 0) {
1030                                         perror("couldn't stat citadel.config");
1031                                         logoff(NULL, 3);
1032                                 }
1033                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1034                                         perror("couldn't change gid");
1035                                         logoff(NULL, 3);
1036                                 }
1037                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1038                                         perror("couldn't change uid");
1039                                         logoff(NULL, 3);
1040                                 }
1041                                 /*
1042                                   scr_printf("Privileges changed to uid %d gid %d\n",
1043                                   getuid(), getgid());
1044                                 */
1045                         }
1046                         argc = shift(argc, argv, a, 1);
1047                 }
1048         }
1049
1050         screen_new();
1051
1052 #ifdef __CYGWIN__
1053         newprompt("Connect to (return for local server): ", hostbuf, 64);
1054 #endif
1055
1056         sln_printf("Attaching to server... \r");
1057         sln_flush();
1058         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1059         if (!ipc) {
1060                 screen_delete();
1061                 error_printf("Can't connect: %s\n", strerror(errno));
1062                 logoff(NULL, 3);
1063         }
1064 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1065         CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1066 #endif
1067         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1068
1069         CtdlIPC_getline(ipc, aaa);
1070         if (aaa[0] != '2') {
1071                 scr_printf("%s\n", &aaa[4]);
1072                 logoff(ipc, atoi(aaa));
1073         }
1074
1075         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1076          * is zeroized.
1077          */
1078
1079         if ((sptr = strchr(aaa, '<')) == NULL)
1080                 {
1081                         nonce[0] = '\0';
1082                 }
1083         else
1084                 {
1085                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1086                                 {
1087                                         nonce[0] = '\0';
1088                                 }
1089                         else
1090                                 {
1091                                         sptr2++;
1092                                         *sptr2 = '\0';
1093                                         strncpy(nonce, sptr, NONCE_SIZE);
1094                                 }
1095                 }
1096
1097 #ifdef HAVE_OPENSSL
1098         /* Evaluate encryption preferences */
1099         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1100                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1101                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1102                         if (!secure)
1103                                 error_printf("Can't encrypt: %s\n", aaa);
1104                 }
1105         }
1106 #endif
1107
1108         get_serv_info(ipc, telnet_client_host);
1109         scr_printf("%-24s\n%s\n%s\n", serv_info.serv_software, serv_info.serv_humannode,
1110                    serv_info.serv_bbs_city);
1111         scr_flush();
1112
1113         status_line(serv_info.serv_humannode, serv_info.serv_bbs_city, NULL,
1114                     secure, -1);
1115
1116         screenwidth = 80;       /* default screen dimensions */
1117         screenheight = 24;
1118
1119         scr_printf(" pause    next    stop\n");
1120         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1121         formout(ipc, "hello");  /* print the opening greeting */
1122         scr_printf("\n");
1123
1124  GSTA:  /* See if we have a username and password on disk */
1125         if (rc_remember_passwords) {
1126                 get_stored_password(hostbuf, portbuf, fullname, password);
1127                 if (strlen(fullname) > 0) {
1128                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1129                         if (r / 100 == 3) {
1130                                 if (*nonce) {
1131                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1132                                 } else {
1133                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1134                                 }
1135                         }
1136
1137                         if (r / 100 == 2) {
1138                                 load_user_info(aaa);
1139                                 stored_password = 1;
1140                                 goto PWOK;
1141                         } else {
1142                                 set_stored_password(hostbuf, portbuf, "", "");
1143                         }
1144                 }
1145         }
1146
1147         termn8 = 0;
1148         newnow = 0;
1149         do {
1150                 if (strlen(rc_username) > 0) {
1151                         strcpy(fullname, rc_username);
1152                 } else {
1153                         newprompt("Enter your name: ", fullname, 29);
1154                 }
1155                 strproc(fullname);
1156                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1157                         scr_printf("Please enter the name you wish to log in with.\n");
1158                 }
1159         } while (
1160                  (!strcasecmp(fullname, "bbs"))
1161                  || (!strcasecmp(fullname, "new"))
1162                  || (strlen(fullname) == 0));
1163
1164         if (!strcasecmp(fullname, "off")) {
1165                 mcmd = 29;
1166                 goto TERMN8;
1167         }
1168         /* sign on to the server */
1169         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1170         if (r / 100 != 3)
1171                 goto NEWUSR;
1172
1173         /* password authentication */
1174         if (strlen(rc_password) > 0) {
1175                 strcpy(password, rc_password);
1176         } else {
1177                 newprompt("\rPlease enter your password: ", password, -19);
1178         }
1179         strproc(password);
1180
1181         if (*nonce) {
1182                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1183         } else {
1184                 r = CtdlIPCTryPassword(ipc, password, aaa);
1185         }
1186
1187         if (r / 100 == 2) {
1188                 load_user_info(aaa);
1189                 offer_to_remember_password(ipc, hostbuf, portbuf,
1190                                            fullname, password);
1191                 goto PWOK;
1192         }
1193         scr_printf("<< wrong password >>\n");
1194         if (strlen(rc_password) > 0)
1195                 logoff(ipc, 2);
1196         goto GSTA;
1197
1198 NEWUSR: if (strlen(rc_password) == 0) {
1199                 scr_printf("No record. Enter as new user? ");
1200                 if (yesno() == 0)
1201                         goto GSTA;
1202         }
1203
1204         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1205         if (r / 100 != 2) {
1206                 scr_printf("%s\n", aaa);
1207                 goto GSTA;
1208         }
1209         load_user_info(aaa);
1210
1211         while (set_password(ipc) != 0);
1212         newnow = 1;
1213
1214         enter_config(ipc, 1);
1215
1216  PWOK:
1217         /* Switch color support on or off if we're in user mode */
1218         if (rc_ansi_color == 3) {
1219                 if (userflags & US_COLOR)
1220                         enable_color = 1;
1221                 else
1222                         enable_color = 0;
1223         }
1224
1225         color(BRIGHT_WHITE);
1226         scr_printf("\n%s\nAccess level: %d (%s)\n"
1227                    "User #%ld / Login #%d",
1228                    fullname, axlevel, axdefs[(int) axlevel],
1229                    usernum, timescalled);
1230         if (lastcall > 0L) {
1231                 scr_printf(" / Last login: %s",
1232                            asctime(localtime(&lastcall)));
1233         }
1234         scr_printf("\n");
1235
1236         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1237         if (r / 100 == 2) {
1238                 b = chek.newmail;
1239                 if (b > 0) {
1240                         color(BRIGHT_RED);
1241                         if (b == 1)
1242                                 scr_printf("*** You have a new private message in Mail>\n");
1243                         if (b > 1)
1244                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1245                         color(DIM_WHITE);
1246                         if (strlen(rc_gotmail_cmd) > 0) {
1247                                 system(rc_gotmail_cmd);
1248                         }
1249                 }
1250                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1251                         scr_printf("*** Users need validation\n");
1252                 }
1253                 if (chek.needregis > 0) {
1254                         scr_printf("*** Please register.\n");
1255                         formout(ipc, "register");
1256                         entregis(ipc);
1257                 }
1258         }
1259         /* Make up some temporary filenames for use in various parts of the
1260          * program.  Don't mess with these once they've been set, because we
1261          * will be unlinking them later on in the program and we don't
1262          * want to delete something that we didn't create. */
1263         snprintf(temp, sizeof temp, tmpnam(NULL));
1264         snprintf(temp2, sizeof temp2, tmpnam(NULL));
1265         snprintf(tempdir, sizeof tempdir, tmpnam(NULL));
1266
1267         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1268          * we try to get the user's actual screen dimensions off the server.
1269          * However, if we're running on an xterm, all this stuff is
1270          * irrelevant because we're going to dynamically size the screen
1271          * during the session.
1272          */
1273         screenwidth = 80;
1274         screenheight = 24;
1275         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1276         if (r == 2) {
1277                 screenwidth = myself->USscreenwidth;
1278                 screenheight = myself->USscreenheight;
1279         }
1280         if (getenv("TERM") != NULL)
1281                 if (!strcmp(getenv("TERM"), "xterm")) {
1282                         have_xterm = 1;
1283                 }
1284 #ifdef TIOCGWINSZ
1285         check_screen_dims();
1286 #endif
1287
1288         set_floor_mode();
1289
1290         /* Enter the lobby */
1291         dotgoto(ipc, "_BASEROOM_", 1, 0);
1292
1293         /* Main loop for the system... user is logged in. */
1294         uglistsize = 0;
1295
1296         if (newnow == 1)
1297                 readmsgs(ipc, LastMessages, ReadForward, 5);
1298         else
1299                 readmsgs(ipc, NewMessages, ReadForward, 0);
1300
1301         /* MAIN COMMAND LOOP */
1302         do {
1303                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1304
1305 #ifdef TIOCGWINSZ
1306                 check_screen_dims();            /* if xterm, get screen size */
1307 #endif
1308
1309                 if (termn8 == 0)
1310                         switch (mcmd) {
1311                         case 1:
1312                                 formout(ipc, "help");
1313                                 break;
1314                         case 4:
1315                                 entmsg(ipc, 0, 0);
1316                                 break;
1317                         case 36:
1318                                 entmsg(ipc, 0, 1);
1319                                 break;
1320                         case 46:
1321                                 entmsg(ipc, 0, 2);
1322                                 break;
1323                         case 78:
1324                                 newprompt("What do you want your username to be? ", aaa, 32);
1325                                 snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1326                                 CtdlIPC_putline(ipc, bbb);
1327                                 CtdlIPC_getline(ipc, aaa);
1328                                 if (strncmp("200", aaa, 3))
1329                                         scr_printf("\n%s\n", aaa);
1330                                 else
1331                                         entmsg(ipc, 0, 0);
1332                                 break;
1333                         case 5:                         /* <G>oto */
1334                                 updatels(ipc);
1335                                 gotonext(ipc);
1336                                 break;
1337                         case 47:                        /* <A>bandon */
1338                                 if (!rc_alt_semantics) {
1339                                         updatelsa(ipc);
1340                                 }
1341                                 gotonext(ipc);
1342                                 break;
1343                         case 90:                        /* <.A>bandon */
1344                                 if (!rc_alt_semantics)
1345                                         updatelsa(ipc);
1346                                 dotgoto(ipc, argbuf, 0, 0);
1347                                 break;
1348                         case 58:                        /* <M>ail */
1349                                 updatelsa(ipc);
1350                                 dotgoto(ipc, "_MAIL_", 1, 0);
1351                                 break;
1352                         case 20:
1353                                 if (strlen(argbuf) > 0) {
1354                                         updatels(ipc);
1355                                         dotgoto(ipc, argbuf, 0, 0);
1356                                 }
1357                                 break;
1358                         case 52:
1359                                 if (strlen(argbuf) > 0) {
1360                                         if (rc_alt_semantics) {
1361                                                 updatelsa(ipc);
1362                                         }
1363                                         dotgoto(ipc, argbuf, 0, 0);
1364                                 }
1365                                 break;
1366                         case 95: /* what exactly is the numbering scheme supposed to be anyway? */
1367                                 dotungoto(ipc, argbuf);
1368                                 break;
1369                         case 10:
1370                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1371                                 break;
1372                         case 9:
1373                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1374                                 break;
1375                         case 13:
1376                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1377                                 break;
1378                         case 11:
1379                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1380                                 break;
1381                         case 12:
1382                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1383                                 break;
1384                         case 71:
1385                                 readmsgs(ipc, LastMessages, ReadForward,
1386                                                 atoi(argbuf));
1387                                 break;
1388                         case 7:
1389                                 forget(ipc);
1390                                 break;
1391                         case 18:
1392                                 subshell();
1393                                 break;
1394                         case 38:
1395                                 updatels(ipc);
1396                                 entroom(ipc);
1397                                 break;
1398                         case 22:
1399                                 killroom(ipc);
1400                                 break;
1401                         case 32:
1402                                 userlist(ipc, argbuf);
1403                                 break;
1404                         case 27:
1405                                 invite(ipc);
1406                                 break;
1407                         case 28:
1408                                 kickout(ipc);
1409                                 break;
1410                         case 23:
1411                                 editthisroom(ipc);
1412                                 break;
1413                         case 14:
1414                                 roomdir(ipc);
1415                                 break;
1416                         case 33:
1417                                 download(ipc, 0);
1418                                 break;
1419                         case 34:
1420                                 download(ipc, 1);
1421                                 break;
1422                         case 31:
1423                                 download(ipc, 2);
1424                                 break;
1425                         case 43:
1426                                 download(ipc, 3);
1427                                 break;
1428                         case 45:
1429                                 download(ipc, 4);
1430                                 break;
1431                         case 55:
1432                                 download(ipc, 5);
1433                                 break;
1434                         case 39:
1435                                 upload(ipc, 0);
1436                                 break;
1437                         case 40:
1438                                 upload(ipc, 1);
1439                                 break;
1440                         case 42:
1441                                 upload(ipc, 2);
1442                                 break;
1443                         case 44:
1444                                 upload(ipc, 3);
1445                                 break;
1446                         case 57:
1447                                 cli_upload(ipc);
1448                                 break;
1449                         case 16:
1450                                 ungoto(ipc);
1451                                 break;
1452                         case 24:
1453                                 whoknows(ipc);
1454                                 break;
1455                         case 26:
1456                                 validate(ipc);
1457                                 break;
1458                         case 29:
1459                         case 30:
1460                                 if (!rc_alt_semantics) {
1461                                         updatels(ipc);
1462                                 }
1463                                 termn8 = 1;
1464                                 break;
1465                         case 48:
1466                                 enterinfo(ipc);
1467                                 break;
1468                         case 49:
1469                                 readinfo(ipc);
1470                                 break;
1471                         case 72:
1472                                 cli_image_upload(ipc, "_userpic_");
1473                                 break;
1474                         case 73:
1475                                 cli_image_upload(ipc, "_roompic_");
1476                                 break;
1477
1478                         case 74:
1479                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1480                                 cli_image_upload(ipc, aaa);
1481                                 break;
1482
1483                         case 75:
1484                                 enternew(ipc, "roomname", aaa, 20);
1485                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1486                                 if (r / 100 != 2)
1487                                         scr_printf("\n%s\n", aaa);
1488                                 break;
1489                         case 76:
1490                                 enternew(ipc, "hostname", aaa, 25);
1491                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1492                                 if (r / 100 != 2)
1493                                         scr_printf("\n%s\n", aaa);
1494                                 break;
1495                         case 77:
1496                                 enternew(ipc, "username", aaa, 32);
1497                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
1498                                 if (r / 100 != 2)
1499                                         scr_printf("\n%s\n", aaa);
1500                                 break;
1501
1502                         case 35:
1503                                 set_password(ipc);
1504                                 break;
1505
1506                         case 21:
1507                                 if (argbuf[0] == 0)
1508                                         strcpy(aaa, "?");
1509                                 display_help(ipc, argbuf);
1510                                 break;
1511
1512                         case 41:
1513                                 formout(ipc, "register");
1514                                 entregis(ipc);
1515                                 break;
1516
1517                         case 15:
1518                                 scr_printf("Are you sure (y/n)? ");
1519                                 if (yesno() == 1) {
1520                                         if (!rc_alt_semantics)
1521                                                 updatels(ipc);
1522                                         a = 0;
1523                                         termn8 = 1;
1524                                 }
1525                                 break;
1526
1527                         case 85:
1528                                 scr_printf("All users will be disconnected!  "
1529                                            "Really terminate the server? ");
1530                                 if (yesno() == 1) {
1531                                         if (!rc_alt_semantics)
1532                                                 updatels(ipc);
1533                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
1534                                         scr_printf("%s\n", aaa);
1535                                         if (r / 100 == 2) {
1536                                                 a = 0;
1537                                                 termn8 = 1;
1538                                         }
1539                                 }
1540                                 break;
1541
1542                         case 86:
1543                                 scr_printf("Do you really want to schedule a "
1544                                            "server shutdown? ");
1545                                 if (yesno() == 1) {
1546                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
1547                                         if (r / 100 == 2) {
1548                                                 if (atoi(aaa)) {
1549                                                         scr_printf(
1550                                                                    "The Citadel server will terminate when all users are logged off.\n"
1551                                                                    );
1552                                                 } else {
1553                                                         scr_printf(
1554                                                                    "The Citadel server will not terminate.\n"
1555                                                                    );
1556                                                 }
1557                                         }
1558                                 }
1559                                 break;
1560
1561                         case 87:
1562                                 network_config_management(ipc, "listrecp",
1563                                                           "Message-by-message mailing list recipients");
1564                                 break;
1565
1566                         case 94:
1567                                 network_config_management(ipc, "digestrecp",
1568                                                           "Digest mailing list recipients");
1569                                 break;
1570
1571                         case 89:
1572                                 network_config_management(ipc, "ignet_push_share",
1573                                                           "Nodes with which we share this room");
1574                                 break;
1575
1576                         case 88:
1577                                 do_ignet_configuration(ipc);
1578                                 break;
1579
1580                         case 92:
1581                                 do_filterlist_configuration(ipc);
1582                                 break;
1583
1584                         case 6:
1585                                 if (rc_alt_semantics) {
1586                                         updatelsa(ipc);
1587                                 }
1588                                 gotonext(ipc);
1589                                 break;
1590
1591                         case 3:
1592                                 chatmode(ipc);
1593                                 break;
1594
1595                         case 2:
1596                                 if (ipc->isLocal) {
1597                                         screen_reset();
1598                                         sttybbs(SB_RESTORE);
1599                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
1600                                                  "exec ./subsystem %ld %d %d", fullname,
1601                                                  usernum, screenwidth, axlevel);
1602                                         ka_system(aaa);
1603                                         sttybbs(SB_NO_INTR);
1604                                         screen_set();
1605                                 } else {
1606                                         scr_printf("*** Can't run doors when server is not local.\n");
1607                                 }
1608                                 break;
1609
1610                         case 17:
1611                                 who_is_online(ipc, 0);
1612                                 break;
1613
1614                         case 79:
1615                                 who_is_online(ipc, 1);
1616                                 break;
1617
1618                         case 91:
1619                                 who_is_online(ipc, 2);
1620                                 break;
1621
1622                         case 80:
1623                                 do_system_configuration(ipc);
1624                                 break;
1625
1626                         case 82:
1627                                 do_internet_configuration(ipc);
1628                                 break;
1629
1630                         case 83:
1631                                 check_message_base(ipc);
1632                                 break;
1633
1634                         case 84:
1635                                 quiet_mode(ipc);
1636                                 break;
1637
1638                         case 93:
1639                                 stealth_mode(ipc);
1640                                 break;
1641
1642                         case 50:
1643                                 enter_config(ipc, 2);
1644                                 break;
1645
1646                         case 37:
1647                                 enter_config(ipc, 0);
1648                                 set_floor_mode();
1649                                 break;
1650
1651                         case 59:
1652                                 enter_config(ipc, 3);
1653                                 set_floor_mode();
1654                                 break;
1655
1656                         case 60:
1657                                 gotofloor(ipc, argbuf, GF_GOTO);
1658                                 break;
1659
1660                         case 61:
1661                                 gotofloor(ipc, argbuf, GF_SKIP);
1662                                 break;
1663
1664                         case 62:
1665                                 forget_this_floor(ipc);
1666                                 break;
1667
1668                         case 63:
1669                                 create_floor(ipc);
1670                                 break;
1671
1672                         case 64:
1673                                 edit_floor(ipc);
1674                                 break;
1675
1676                         case 65:
1677                                 kill_floor(ipc);
1678                                 break;
1679
1680                         case 66:
1681                                 enter_bio(ipc);
1682                                 break;
1683
1684                         case 67:
1685                                 read_bio(ipc);
1686                                 break;
1687
1688                         case 25:
1689                                 edituser(ipc);
1690                                 break;
1691
1692                         case 8:
1693                                 knrooms(ipc, floor_mode);
1694                                 scr_printf("\n");
1695                                 break;
1696
1697                         case 68:
1698                                 knrooms(ipc, 2);
1699                                 scr_printf("\n");
1700                                 break;
1701
1702                         case 69:
1703                                 misc_server_cmd(ipc, argbuf);
1704                                 break;
1705
1706                         case 70:
1707                                 edit_system_message(ipc, argbuf);
1708                                 break;
1709
1710                         case 19:
1711                                 listzrooms(ipc);
1712                                 scr_printf("\n");
1713                                 break;
1714
1715                         case 51:
1716                                 deletefile(ipc);
1717                                 break;
1718
1719                         case 53:
1720                                 netsendfile(ipc);
1721                                 break;
1722
1723                         case 54:
1724                                 movefile(ipc);
1725                                 break;
1726
1727                         case 56:
1728                                 page_user(ipc);
1729                                 break;
1730
1731                         default: /* allow some math on the command */
1732                                 /* commands 100... to 100+MAX_EDITORS-1 will
1733                                    call the appropriate editor... in other
1734                                    words, command numbers 100+ will match
1735                                    the citadel.rc keys editor0, editor1, etc.*/
1736                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
1737                                 {
1738                                         /* entmsg mode >=2 select editor */
1739                                         entmsg(ipc, 0, mcmd - 100 + 2);
1740                                         break;
1741                                 }
1742                         }       /* end switch */
1743         } while (termn8 == 0);
1744
1745 TERMN8: scr_printf("%s logged out.", fullname);
1746         termn8 = 0;
1747         color(ORIGINAL_PAIR);
1748         scr_printf("\n");
1749         while (march != NULL) {
1750                 remove_march(march->march_name, 0);
1751         }
1752         if (mcmd == 30) {
1753                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
1754         }
1755         CtdlIPCLogout(ipc);
1756         if ((mcmd == 29) || (mcmd == 15)) {
1757                 screen_delete();
1758                 sttybbs(SB_RESTORE);
1759                 formout(ipc, "goodbye");
1760                 logoff(ipc, 0);
1761         }
1762         goto GSTA;
1763
1764 }       /* end main() */