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 *room = 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, "", &room, aaa);
 369         if (r / 10 == 54) {
 370                 newprompt("Enter room password: ", bbb, 9);
 371                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, 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                 room = NULL;
 419                 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
 420         }
 421         if (r / 100 != 1 && r / 100 != 2) {
 422                 scr_printf("%s\n", aaa);
 423                 return;
 424         }
 425         safestrncpy(room_name, room->RRname, ROOMNAMELEN);
 426         room_flags = room->RRflags;
 427         from_floor = curr_floor;
 428         curr_floor = room->RRfloor;
 429
 430         remove_march(room_name, 0);
 431         if (!strcasecmp(towhere, "_BASEROOM_"))
 432                 remove_march(towhere, 0);
 433         if (!room->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 ", room->RRunread);
 449                 color(DIM_WHITE);
 450                 scr_printf("new of ");
 451                 color(BRIGHT_YELLOW);
 452                 scr_printf("%d ", room->RRtotal);
 453                 color(DIM_WHITE);
 454                 scr_printf("messages.\n");
 455         }
 456         highest_msg_read = room->RRlastread;
 457         maxmsgnum = room->RRhighest;
 458         is_mail = room->RRismailbox;
 459         is_room_aide = room->RRaide;
 460         ls = room->RRlastread;
 461
 462         /* read info file if necessary */
 463         if (room->RRinfoupdated > 0)
 464                 readinfo(ipc);
 465
 466         /* check for newly arrived mail if we can */
 467         newmailcount = room->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 *room;       /* Ignored */
 542         int r;                          /* IPC response code */
 543
 544         scr_printf("Forgetting all rooms on %s...\r", &floorlist[ffloor][0]);
 545         scr_flush();
 546         remove_march("_FLOOR_", ffloor);
 547         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
 548         if (r / 100 != 1) {
 549                 scr_printf("%-72s\n", buf);
 550                 return;
 551         }
 552         while (flist) {
 553                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
 554                 if (r / 100 == 2) {
 555                         r = CtdlIPCForgetRoom(ipc, buf);
 556                 }
 557                 fptr = flist;
 558                 flist = flist->next;
 559                 free(fptr);
 560         }
 561         scr_printf("%-72s\r", "");
 562 }
 563
 564
 565 /*
 566  * routine called by gotofloor() to move to a new room on a new floor
 567  */
 568 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
 569 {
 570         int floor_being_left;
 571
 572         floor_being_left = curr_floor;
 573
 574         if (mode == GF_GOTO) {  /* <;G>oto mode */
 575                 updatels(ipc);
 576                 dotgoto(ipc, towhere, 1, 0);
 577         }
 578         if (mode == GF_SKIP) {  /* <;S>kip mode */
 579                 dotgoto(ipc, towhere, 1, 0);
 580                 remove_march("_FLOOR_", floor_being_left);
 581         }
 582         if (mode == GF_ZAP) {   /* <;Z>ap mode */
 583                 dotgoto(ipc, towhere, 1, 0);
 584                 remove_march("_FLOOR_", floor_being_left);
 585                 forget_all_rooms_on(ipc, floor_being_left);
 586         }
 587 }
 588
 589
 590 /*
 591  * go to a new floor
 592  */
 593 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
 594 {
 595         int a, tofloor;
 596         int r;          /* IPC response code */
 597         struct march *mptr;
 598         char buf[SIZ], targ[SIZ];
 599
 600         if (floorlist[0][0] == 0)
 601                 load_floorlist(ipc);
 602         tofloor = (-1);
 603         for (a = 0; a < 128; ++a)
 604                 if (!strcasecmp(&floorlist[a][0], towhere))
 605                         tofloor = a;
 606
 607         if (tofloor < 0) {
 608                 for (a = 0; a < 128; ++a) {
 609                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 610                                 tofloor = a;
 611                         }
 612                 }
 613         }
 614         if (tofloor < 0) {
 615                 for (a = 0; a < 128; ++a)
 616                         if (pattern(towhere, &floorlist[a][0]) > 0)
 617                                 tofloor = a;
 618         }
 619         if (tofloor < 0) {
 620                 scr_printf("No floor '%s'.\n", towhere);
 621                 return;
 622         }
 623         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 624                 if ((mptr->march_floor) == tofloor)
 625                         gf_toroom(ipc, mptr->march_name, mode);
 626                 return;
 627         }
 628
 629         strcpy(targ, "");
 630         mptr = NULL;
 631         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
 632         if (r / 100 == 1) {
 633                 struct march *tmp = mptr;
 634
 635                 /* TODO: room order is being ignored? */
 636                 if (mptr)
 637                         strncpy(targ, mptr->march_name, ROOMNAMELEN);
 638                 while (mptr) {
 639                         tmp = mptr->next;
 640                         free(mptr);
 641                         mptr = tmp;
 642                 }
 643         }
 644         if (strlen(targ) > 0) {
 645                 gf_toroom(ipc, targ, mode);
 646         } else {
 647                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 648         }
 649 }
 650
 651
 652 /*
 653  * forget all rooms on current floor
 654  */
 655 void forget_this_floor(CtdlIPC *ipc)
 656 {
 657
 658         if (curr_floor == 0) {
 659                 scr_printf("Can't forget this floor.\n");
 660                 return;
 661         }
 662         if (floorlist[0][0] == 0)
 663                 load_floorlist(ipc);
 664         scr_printf("Are you sure you want to forget all rooms on %s? ",
 665                &floorlist[(int) curr_floor][0]);
 666         if (yesno() == 0)
 667                 return;
 668
 669         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
 670 }
 671
 672
 673 /*
 674  * Figure out the physical screen dimensions, if we can
 675  * WARNING:  this is now called from a signal handler!
 676  */
 677 void check_screen_dims(void)
 678 {
 679 #ifdef TIOCGWINSZ
 680         struct {
 681                 unsigned short height;  /* rows */
 682                 unsigned short width;   /* columns */
 683                 unsigned short xpixels;
 684                 unsigned short ypixels;         /* pixels */
 685         } xwinsz;
 686
 687         if (have_xterm) {       /* dynamically size screen if on an xterm */
 688                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
 689                         if (xwinsz.height)
 690                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
 691                         if (xwinsz.width)
 692                                 screenwidth = (int) xwinsz.width;
 693                 }
 694         }
 695 #endif
 696 }
 697
 698
 699 /*
 700  * set floor mode depending on client, server, and user settings
 701  */
 702 void set_floor_mode(void)
 703 {
 704         if (serv_info.serv_ok_floors == 0) {
 705                 floor_mode = 0; /* Don't use floors if the server */
 706         }
 707         /* doesn't support them!          */
 708         else {
 709                 if (rc_floor_mode == RC_NO) {   /* never use floors */
 710                         floor_mode = 0;
 711                 }
 712                 if (rc_floor_mode == RC_YES) {  /* always use floors */
 713                         floor_mode = 1;
 714                 }
 715                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
 716                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
 717                 }
 718         }
 719 }
 720
 721 /*
 722  * Set or change the user's password
 723  */
 724 int set_password(CtdlIPC *ipc)
 725 {
 726         char pass1[20];
 727         char pass2[20];
 728         char buf[SIZ];
 729
 730         if (strlen(rc_password) > 0) {
 731                 strcpy(pass1, rc_password);
 732                 strcpy(pass2, rc_password);
 733         } else {
 734                 IFNEXPERT formout(ipc, "changepw");
 735                 newprompt("Enter a new password: ", pass1, -19);
 736                 newprompt("Enter it again to confirm: ", pass2, -19);
 737         }
 738         strproc(pass1);
 739         strproc(pass2);
 740         if (!strcasecmp(pass1, pass2)) {
 741                 CtdlIPCChangePassword(ipc, pass1, buf);
 742                 scr_printf("%s\n", buf);
 743                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
 744                 return (0);
 745         } else {
 746                 scr_printf("*** They don't match... try again.\n");
 747                 return (1);
 748         }
 749 }
 750
 751
 752
 753 /*
 754  * get info about the server we've connected to
 755  */
 756 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
 757 {
 758         char buf[SIZ];
 759
 760         CtdlIPCServerInfo(ipc, &serv_info, buf);
 761
 762         /* be nice and identify ourself to the server */
 763         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
 764                  (ipc->isLocal ? "local" : CITADEL),
 765                  (supplied_hostname) ? supplied_hostname :
 766                  /* Look up the , in the bible if you're confused */
 767                  (locate_host(buf), buf), buf);
 768
 769         /* Tell the server what our preferred content formats are */
 770         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/html|text/plain") / 100 )== 2) {
 771                 can_do_msg4 = 1;
 772         }
 773 }
 774
 775
 776
 777 /*
 778  * Record compare function for SortOnlineUsers()
 779  */
 780 int idlecmp(const void *rec1, const void *rec2) {
 781         time_t i1, i2;
 782
 783         i1 = extract_long(rec1, 5);
 784         i2 = extract_long(rec2, 5);
 785
 786         if (i1 < i2) return(1);
 787         if (i1 > i2) return(-1);
 788         return(0);
 789 }
 790
 791
 792 /*
 793  * Sort the list of online users by idle time.
 794  * This function frees the supplied buffer, and returns a new one
 795  * to the caller.  The caller is responsible for freeing the returned buffer.
 796  */
 797 char *SortOnlineUsers(char *listing) {
 798         int rows;
 799         char *sortbuf;
 800         char *retbuf;
 801         char buf[SIZ];
 802         int i;
 803
 804         rows = num_tokens(listing, '\n');
 805         sortbuf = malloc(rows * SIZ);
 806         if (sortbuf == NULL) return(listing);
 807         retbuf = malloc(rows * SIZ);
 808         if (retbuf == NULL) {
 809                 free(sortbuf);
 810                 return(listing);
 811         }
 812
 813         /* Copy the list into a fixed-record-size array for sorting */
 814         for (i=0; i<rows; ++i) {
 815                 memset(buf, 0, SIZ);
 816                 extract_token(buf, listing, i, '\n');
 817                 memcpy(&sortbuf[i*SIZ], buf, SIZ);
 818         }
 819
 820         /* Do the sort */
 821         qsort(sortbuf, rows, SIZ, idlecmp);
 822
 823         /* Copy back to a \n delimited list */
 824         strcpy(retbuf, "");
 825         for (i=0; i<rows; ++i) {
 826                 strcat(retbuf, &sortbuf[i*SIZ]);
 827                 if (i<(rows-1)) strcat(retbuf, "\n");
 828         }
 829         return(retbuf);
 830 }
 831
 832
 833
 834 /*
 835  * Display list of users currently logged on to the server
 836  */
 837 void who_is_online(CtdlIPC *ipc, int longlist)
 838 {
 839         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
 840         char flags[SIZ];
 841         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
 842         char clientsoft[SIZ];
 843         time_t timenow = 0;
 844         time_t idletime, idlehours, idlemins, idlesecs;
 845         int last_session = (-1);
 846         int skipidle = 0;
 847         char *listing = NULL;
 848         int r;                          /* IPC response code */
 849
 850         if (longlist == 2) {
 851                 longlist = 0;
 852                 skipidle = 1;
 853         }
 854
 855         if (!longlist) {
 856                 color(BRIGHT_WHITE);
 857                 pprintf("           User Name               Room           Idle        From host\n");
 858                 color(DIM_WHITE);
 859                 pprintf("   ------------------------- -------------------- ---- ------------------------\n");
 860         }
 861         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
 862         listing = SortOnlineUsers(listing);
 863         if (r / 100 == 1) {
 864                 while (strlen(listing) > 0) {
 865                         int isidle = 0;
 866
 867                         /* Get another line */
 868                         extract_token(buf, listing, 0, '\n');
 869                         remove_token(listing, 0, '\n');
 870
 871                         extract(username, buf, 1);
 872                         extract(roomname, buf, 2);
 873                         extract(fromhost, buf, 3);
 874                         extract(clientsoft, buf, 4);
 875                         extract(flags, buf, 7);
 876
 877                         idletime = timenow - extract_long(buf, 5);
 878                         idlehours = idletime / 3600;
 879                         idlemins = (idletime - (idlehours * 3600)) / 60;
 880                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
 881
 882                         if (idletime > rc_idle_threshold) {
 883                                 /*
 884                                 while (strlen(roomname) < 20) {
 885                                         strcat(roomname, " ");
 886                                 }
 887                                 strcpy(&roomname[14], "[idle]");
 888                                 */
 889                                 if (skipidle)
 890                                         isidle = 1;
 891                         }
 892
 893                         if (longlist) {
 894                                 extract(actual_user, buf, 8);
 895                                 extract(actual_room, buf, 9);
 896                                 extract(actual_host, buf, 10);
 897
 898                                 pprintf("  Flags: %s\n", flags);
 899                                 pprintf("Session: %d\n", extract_int(buf, 0));
 900                                 pprintf("   Name: %s\n", username);
 901                                 pprintf("In room: %s\n", roomname);
 902                                 pprintf("   Host: %s\n", fromhost);
 903                                 pprintf(" Client: %s\n", clientsoft);
 904                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
 905                                         (long) idlehours,
 906                                         (long) idlemins,
 907                                         (long) idlesecs);
 908
 909                                 if ( (strlen(actual_user)+strlen(actual_room)+strlen(actual_host)) > 0) {
 910                                         pprintf("(really ");
 911                                         if (strlen(actual_user)>0) pprintf("<%s> ", actual_user);
 912                                         if (strlen(actual_room)>0) pprintf("in <%s> ", actual_room);
 913                                         if (strlen(actual_host)>0) pprintf("from <%s> ", actual_host);
 914                                         pprintf(")\n");
 915                                 }
 916                                 pprintf("\n");
 917
 918                         } else {
 919                     if (isidle == 0) {
 920                                 if (extract_int(buf, 0) == last_session) {
 921                                         pprintf("        ");
 922                                 } else {
 923                                         color(BRIGHT_MAGENTA);
 924                                         pprintf("%-3s", flags);
 925                                 }
 926                                 last_session = extract_int(buf, 0);
 927                                 color(BRIGHT_CYAN);
 928                                 pprintf("%-25s ", username);
 929                                 color(BRIGHT_MAGENTA);
 930                                 roomname[20] = 0;
 931                                 pprintf("%-20s ", roomname);
 932                                 if (idletime > rc_idle_threshold) {
 933                                         /* over 1000d, must be gone fishing */
 934                                         if (idlehours > 23999) {
 935                                                 pprintf("fish");
 936                                         /* over 10 days */
 937                                         } else if (idlehours > 239) {
 938                                                 pprintf("%3ldd",
 939                                                         idlehours / 24);
 940                                         /* over 10 hours */
 941                                         } else if (idlehours > 9) {
 942                                                 pprintf("%1ldd%02ld",
 943                                                         idlehours / 24,
 944                                                         idlehours % 24);
 945                                         /* less than 10 hours */
 946                                         } else {
 947                                                 pprintf("%1ld:%02ld",
 948                                                         idlehours, idlemins);
 949                                         }
 950                                 }
 951                                 else {
 952                                         pprintf("    ");
 953                                 }
 954                                 pprintf(" ");
 955                                 color(BRIGHT_CYAN);
 956                                 fromhost[24] = '\0';
 957                                 pprintf("%-24s\n", fromhost);
 958                                 color(DIM_WHITE);
 959                         }
 960                         }
 961                 }
 962         }
 963         free(listing);
 964 }
 965
 966 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
 967 {
 968         char bbb[128];
 969         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
 970         newprompt(bbb, buf, maxlen);
 971 }
 972
 973
 974
 975 int shift(int argc, char **argv, int start, int count) {
 976         int i;
 977
 978         for (i=start; i<(argc-count); ++i) {
 979                 argv[i] = argv[i+count];
 980         }
 981         argc = argc - count;
 982         return argc;
 983 }
 984
 985 static void statusHook(char *s) {
 986         sln_printf(s);
 987         sln_flush();
 988 }
 989
 990 /*
 991  * main
 992  */
 993 int main(int argc, char **argv)
 994 {
 995         int a, b, mcmd;
 996         char aaa[100], bbb[100];/* general purpose variables */
 997         char argbuf[32];        /* command line buf */
 998         char nonce[NONCE_SIZE];
 999         char *telnet_client_host = NULL;
1000         char *sptr, *sptr2;     /* USed to extract the nonce */
1001         char hexstring[MD5_HEXSTRING_SIZE];
1002         int stored_password = 0;
1003         char password[SIZ];
1004         struct ctdlipcmisc chek;
1005         struct ctdluser *myself = NULL;
1006         CtdlIPC* ipc;                   /* Our server connection */
1007         int r;                          /* IPC result code */
1008
1009         setIPCDeathHook(screen_delete);
1010         setIPCErrorPrintf(err_printf);
1011         setCryptoStatusHook(statusHook);
1012
1013         /* Permissions sanity check - don't run citadel setuid/setgid */
1014         if (getuid() != geteuid()) {
1015                 err_printf("Please do not run citadel setuid!\n");
1016                 logoff(NULL, 3);
1017         } else if (getgid() != getegid()) {
1018                 err_printf("Please do not run citadel setgid!\n");
1019                 logoff(NULL, 3);
1020         }
1021
1022         sttybbs(SB_SAVE);       /* Store the old terminal parameters */
1023         load_command_set();     /* parse the citadel.rc file */
1024         sttybbs(SB_NO_INTR);    /* Install the new ones */
1025         signal(SIGHUP, dropcarr);       /* Cleanup gracefully if carrier is dropped */
1026         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
1027         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1028 #ifdef SIGWINCH
1029         signal(SIGWINCH, scr_winch);    /* Window resize signal */
1030 #endif
1031
1032 #ifdef HAVE_OPENSSL
1033         arg_encrypt = RC_DEFAULT;
1034 #endif
1035 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1036         arg_screen = RC_DEFAULT;
1037 #endif
1038
1039         /*
1040          * Handle command line options as if we were called like /bin/login
1041          * (i.e. from in.telnetd)
1042          */
1043         for (a=0; a<argc; ++a) {
1044                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1045                         telnet_client_host = argv[a+1];
1046                         argc = shift(argc, argv, a, 2);
1047                 }
1048                 if (!strcmp(argv[a], "-x")) {
1049 #ifdef HAVE_OPENSSL
1050                         arg_encrypt = RC_NO;
1051 #endif
1052                         argc = shift(argc, argv, a, 1);
1053                 }
1054                 if (!strcmp(argv[a], "-X")) {
1055 #ifdef HAVE_OPENSSL
1056                         arg_encrypt = RC_YES;
1057                         argc = shift(argc, argv, a, 1);
1058 #else
1059                         fprintf(stderr, "Not compiled with encryption support");
1060                         return 1;
1061 #endif
1062                 }
1063                 if (!strcmp(argv[a], "-s")) {
1064 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1065                         arg_screen = RC_NO;
1066 #endif
1067                         argc = shift(argc, argv, a, 1);
1068                 }
1069                 if (!strcmp(argv[a], "-S")) {
1070 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1071                         arg_screen = RC_YES;
1072 #endif
1073                         argc = shift(argc, argv, a, 1);
1074                 }
1075                 if (!strcmp(argv[a], "-p")) {
1076                         struct stat st;
1077
1078                         if (chdir(BBSDIR) < 0) {
1079                                 perror("can't change to " BBSDIR);
1080                                 logoff(NULL, 3);
1081                         }
1082
1083                         /*
1084                          * Drop privileges if necessary. We stat
1085                          * citadel.config to get the uid/gid since it's
1086                          * guaranteed to have the uid/gid we want.
1087                          */
1088                         if (!getuid() || !getgid()) {
1089                                 if (stat(BBSDIR "/citadel.config", &st) < 0) {
1090                                         perror("couldn't stat citadel.config");
1091                                         logoff(NULL, 3);
1092                                 }
1093                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1094                                         perror("couldn't change gid");
1095                                         logoff(NULL, 3);
1096                                 }
1097                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1098                                         perror("couldn't change uid");
1099                                         logoff(NULL, 3);
1100                                 }
1101                                 /*
1102                                   scr_printf("Privileges changed to uid %d gid %d\n",
1103                                   getuid(), getgid());
1104                                 */
1105                         }
1106                         argc = shift(argc, argv, a, 1);
1107                 }
1108         }
1109
1110         screen_new();
1111
1112 #ifdef __CYGWIN__
1113         newprompt("Connect to (return for local server): ", hostbuf, 64);
1114 #endif
1115
1116         sln_printf("Attaching to server... \r");
1117         sln_flush();
1118         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1119         if (!ipc) {
1120                 screen_delete();
1121                 error_printf("Can't connect: %s\n", strerror(errno));
1122                 logoff(NULL, 3);
1123         }
1124 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1125         CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1126 #endif
1127         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1128
1129         CtdlIPC_getline(ipc, aaa);
1130         if (aaa[0] != '2') {
1131                 scr_printf("%s\n", &aaa[4]);
1132                 logoff(ipc, atoi(aaa));
1133         }
1134
1135         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1136          * is zeroized.
1137          */
1138
1139         if ((sptr = strchr(aaa, '<')) == NULL)
1140                 {
1141                         nonce[0] = '\0';
1142                 }
1143         else
1144                 {
1145                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1146                                 {
1147                                         nonce[0] = '\0';
1148                                 }
1149                         else
1150                                 {
1151                                         sptr2++;
1152                                         *sptr2 = '\0';
1153                                         strncpy(nonce, sptr, NONCE_SIZE);
1154                                 }
1155                 }
1156
1157 #ifdef HAVE_OPENSSL
1158         /* Evaluate encryption preferences */
1159         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1160                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1161                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1162                         if (!secure)
1163                                 error_printf("Can't encrypt: %s\n", aaa);
1164                 }
1165         }
1166 #endif
1167
1168         get_serv_info(ipc, telnet_client_host);
1169         scr_printf("%-24s\n%s\n%s\n", serv_info.serv_software, serv_info.serv_humannode,
1170                    serv_info.serv_bbs_city);
1171         scr_flush();
1172
1173         status_line(serv_info.serv_humannode, serv_info.serv_bbs_city, NULL,
1174                     secure, -1);
1175
1176         screenwidth = 80;       /* default screen dimensions */
1177         screenheight = 24;
1178
1179         scr_printf(" pause    next    stop\n");
1180         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1181         formout(ipc, "hello");  /* print the opening greeting */
1182         scr_printf("\n");
1183
1184  GSTA:  /* See if we have a username and password on disk */
1185         if (rc_remember_passwords) {
1186                 get_stored_password(hostbuf, portbuf, fullname, password);
1187                 if (strlen(fullname) > 0) {
1188                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1189                         if (r / 100 == 3) {
1190                                 if (*nonce) {
1191                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1192                                 } else {
1193                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1194                                 }
1195                         }
1196
1197                         if (r / 100 == 2) {
1198                                 load_user_info(aaa);
1199                                 stored_password = 1;
1200                                 goto PWOK;
1201                         } else {
1202                                 set_stored_password(hostbuf, portbuf, "", "");
1203                         }
1204                 }
1205         }
1206
1207         termn8 = 0;
1208         newnow = 0;
1209         do {
1210                 if (strlen(rc_username) > 0) {
1211                         strcpy(fullname, rc_username);
1212                 } else {
1213                         newprompt("Enter your name: ", fullname, 29);
1214                 }
1215                 strproc(fullname);
1216                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1217                         scr_printf("Please enter the name you wish to log in with.\n");
1218                 }
1219         } while (
1220                  (!strcasecmp(fullname, "bbs"))
1221                  || (!strcasecmp(fullname, "new"))
1222                  || (strlen(fullname) == 0));
1223
1224         if (!strcasecmp(fullname, "off")) {
1225                 mcmd = 29;
1226                 goto TERMN8;
1227         }
1228         /* sign on to the server */
1229         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1230         if (r / 100 != 3)
1231                 goto NEWUSR;
1232
1233         /* password authentication */
1234         if (strlen(rc_password) > 0) {
1235                 strcpy(password, rc_password);
1236         } else {
1237                 newprompt("\rPlease enter your password: ", password, -19);
1238         }
1239         strproc(password);
1240
1241         if (*nonce) {
1242                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1243         } else {
1244                 r = CtdlIPCTryPassword(ipc, password, aaa);
1245         }
1246
1247         if (r / 100 == 2) {
1248                 load_user_info(aaa);
1249                 offer_to_remember_password(ipc, hostbuf, portbuf,
1250                                            fullname, password);
1251                 goto PWOK;
1252         }
1253         scr_printf("<< wrong password >>\n");
1254         if (strlen(rc_password) > 0)
1255                 logoff(ipc, 2);
1256         goto GSTA;
1257
1258 NEWUSR: if (strlen(rc_password) == 0) {
1259                 scr_printf("'%s' not found.\n"
1260                         "Do you want to create a new account with this name? ");
1261                 if (yesno() == 0)
1262                         goto GSTA;
1263         }
1264
1265         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1266         if (r / 100 != 2) {
1267                 scr_printf("%s\n", aaa);
1268                 goto GSTA;
1269         }
1270         load_user_info(aaa);
1271
1272         while (set_password(ipc) != 0);
1273         newnow = 1;
1274
1275         enter_config(ipc, 1);
1276
1277  PWOK:
1278         /* Switch color support on or off if we're in user mode */
1279         if (rc_ansi_color == 3) {
1280                 if (userflags & US_COLOR)
1281                         enable_color = 1;
1282                 else
1283                         enable_color = 0;
1284         }
1285
1286         color(BRIGHT_WHITE);
1287         scr_printf("\n%s\nAccess level: %d (%s)\n"
1288                    "User #%ld / Login #%d",
1289                    fullname, axlevel, axdefs[(int) axlevel],
1290                    usernum, timescalled);
1291         if (lastcall > 0L) {
1292                 scr_printf(" / Last login: %s",
1293                            asctime(localtime(&lastcall)));
1294         }
1295         scr_printf("\n");
1296
1297         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1298         if (r / 100 == 2) {
1299                 b = chek.newmail;
1300                 if (b > 0) {
1301                         color(BRIGHT_RED);
1302                         if (b == 1)
1303                                 scr_printf("*** You have a new private message in Mail>\n");
1304                         if (b > 1)
1305                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1306                         color(DIM_WHITE);
1307                         if (strlen(rc_gotmail_cmd) > 0) {
1308                                 system(rc_gotmail_cmd);
1309                         }
1310                 }
1311                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1312                         scr_printf("*** Users need validation\n");
1313                 }
1314                 if (chek.needregis > 0) {
1315                         scr_printf("*** Please register.\n");
1316                         formout(ipc, "register");
1317                         entregis(ipc);
1318                 }
1319         }
1320         /* Make up some temporary filenames for use in various parts of the
1321          * program.  Don't mess with these once they've been set, because we
1322          * will be unlinking them later on in the program and we don't
1323          * want to delete something that we didn't create. */
1324         snprintf(temp, sizeof temp, tmpnam(NULL));
1325         snprintf(temp2, sizeof temp2, tmpnam(NULL));
1326         snprintf(tempdir, sizeof tempdir, tmpnam(NULL));
1327
1328         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1329          * we try to get the user's actual screen dimensions off the server.
1330          * However, if we're running on an xterm, all this stuff is
1331          * irrelevant because we're going to dynamically size the screen
1332          * during the session.
1333          */
1334         screenwidth = 80;
1335         screenheight = 24;
1336         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1337         if (r == 2) {
1338                 screenwidth = myself->USscreenwidth;
1339                 screenheight = myself->USscreenheight;
1340         }
1341         if (getenv("TERM") != NULL)
1342                 if (!strcmp(getenv("TERM"), "xterm")) {
1343                         have_xterm = 1;
1344                 }
1345 #ifdef TIOCGWINSZ
1346         check_screen_dims();
1347 #endif
1348
1349         set_floor_mode();
1350
1351         /* Enter the lobby */
1352         dotgoto(ipc, "_BASEROOM_", 1, 0);
1353
1354         /* Main loop for the system... user is logged in. */
1355         uglistsize = 0;
1356
1357         if (newnow == 1)
1358                 readmsgs(ipc, LastMessages, ReadForward, 5);
1359         else
1360                 readmsgs(ipc, NewMessages, ReadForward, 0);
1361
1362         /* MAIN COMMAND LOOP */
1363         do {
1364                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1365
1366 #ifdef TIOCGWINSZ
1367                 check_screen_dims();            /* if xterm, get screen size */
1368 #endif
1369
1370                 if (termn8 == 0)
1371                         switch (mcmd) {
1372                         case 1:
1373                                 formout(ipc, "help");
1374                                 break;
1375                         case 4:
1376                                 entmsg(ipc, 0, 0);
1377                                 break;
1378                         case 36:
1379                                 entmsg(ipc, 0, 1);
1380                                 break;
1381                         case 46:
1382                                 entmsg(ipc, 0, 2);
1383                                 break;
1384                         case 78:
1385                                 newprompt("What do you want your username to be? ", aaa, 32);
1386                                 snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
1387                                 CtdlIPC_putline(ipc, bbb);
1388                                 CtdlIPC_getline(ipc, aaa);
1389                                 if (strncmp("200", aaa, 3))
1390                                         scr_printf("\n%s\n", aaa);
1391                                 else
1392                                         entmsg(ipc, 0, 0);
1393                                 break;
1394                         case 5:                         /* <G>oto */
1395                                 updatels(ipc);
1396                                 gotonext(ipc);
1397                                 break;
1398                         case 47:                        /* <A>bandon */
1399                                 if (!rc_alt_semantics) {
1400                                         updatelsa(ipc);
1401                                 }
1402                                 gotonext(ipc);
1403                                 break;
1404                         case 90:                        /* <.A>bandon */
1405                                 if (!rc_alt_semantics)
1406                                         updatelsa(ipc);
1407                                 dotgoto(ipc, argbuf, 0, 0);
1408                                 break;
1409                         case 58:                        /* <M>ail */
1410                                 updatelsa(ipc);
1411                                 dotgoto(ipc, "_MAIL_", 1, 0);
1412                                 break;
1413                         case 20:
1414                                 if (strlen(argbuf) > 0) {
1415                                         updatels(ipc);
1416                                         dotgoto(ipc, argbuf, 0, 0);
1417                                 }
1418                                 break;
1419                         case 52:
1420                                 if (strlen(argbuf) > 0) {
1421                                         if (rc_alt_semantics) {
1422                                                 updatelsa(ipc);
1423                                         }
1424                                         dotgoto(ipc, argbuf, 0, 0);
1425                                 }
1426                                 break;
1427                         case 95: /* what exactly is the numbering scheme supposed to be anyway? */
1428                                 dotungoto(ipc, argbuf);
1429                                 break;
1430                         case 10:
1431                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1432                                 break;
1433                         case 9:
1434                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1435                                 break;
1436                         case 13:
1437                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1438                                 break;
1439                         case 11:
1440                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1441                                 break;
1442                         case 12:
1443                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1444                                 break;
1445                         case 71:
1446                                 readmsgs(ipc, LastMessages, ReadForward,
1447                                                 atoi(argbuf));
1448                                 break;
1449                         case 7:
1450                                 forget(ipc);
1451                                 break;
1452                         case 18:
1453                                 subshell();
1454                                 break;
1455                         case 38:
1456                                 updatels(ipc);
1457                                 entroom(ipc);
1458                                 break;
1459                         case 22:
1460                                 killroom(ipc);
1461                                 break;
1462                         case 32:
1463                                 userlist(ipc, argbuf);
1464                                 break;
1465                         case 27:
1466                                 invite(ipc);
1467                                 break;
1468                         case 28:
1469                                 kickout(ipc);
1470                                 break;
1471                         case 23:
1472                                 editthisroom(ipc);
1473                                 break;
1474                         case 14:
1475                                 roomdir(ipc);
1476                                 break;
1477                         case 33:
1478                                 download(ipc, 0);
1479                                 break;
1480                         case 34:
1481                                 download(ipc, 1);
1482                                 break;
1483                         case 31:
1484                                 download(ipc, 2);
1485                                 break;
1486                         case 43:
1487                                 download(ipc, 3);
1488                                 break;
1489                         case 45:
1490                                 download(ipc, 4);
1491                                 break;
1492                         case 55:
1493                                 download(ipc, 5);
1494                                 break;
1495                         case 39:
1496                                 upload(ipc, 0);
1497                                 break;
1498                         case 40:
1499                                 upload(ipc, 1);
1500                                 break;
1501                         case 42:
1502                                 upload(ipc, 2);
1503                                 break;
1504                         case 44:
1505                                 upload(ipc, 3);
1506                                 break;
1507                         case 57:
1508                                 cli_upload(ipc);
1509                                 break;
1510                         case 16:
1511                                 ungoto(ipc);
1512                                 break;
1513                         case 24:
1514                                 whoknows(ipc);
1515                                 break;
1516                         case 26:
1517                                 validate(ipc);
1518                                 break;
1519                         case 29:
1520                         case 30:
1521                                 if (!rc_alt_semantics) {
1522                                         updatels(ipc);
1523                                 }
1524                                 termn8 = 1;
1525                                 break;
1526                         case 48:
1527                                 enterinfo(ipc);
1528                                 break;
1529                         case 49:
1530                                 readinfo(ipc);
1531                                 break;
1532                         case 72:
1533                                 cli_image_upload(ipc, "_userpic_");
1534                                 break;
1535                         case 73:
1536                                 cli_image_upload(ipc, "_roompic_");
1537                                 break;
1538
1539                         case 74:
1540                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1541                                 cli_image_upload(ipc, aaa);
1542                                 break;
1543
1544                         case 75:
1545                                 enternew(ipc, "roomname", aaa, 20);
1546                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1547                                 if (r / 100 != 2)
1548                                         scr_printf("\n%s\n", aaa);
1549                                 break;
1550                         case 76:
1551                                 enternew(ipc, "hostname", aaa, 25);
1552                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1553                                 if (r / 100 != 2)
1554                                         scr_printf("\n%s\n", aaa);
1555                                 break;
1556                         case 77:
1557                                 enternew(ipc, "username", aaa, 32);
1558                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
1559                                 if (r / 100 != 2)
1560                                         scr_printf("\n%s\n", aaa);
1561                                 break;
1562
1563                         case 35:
1564                                 set_password(ipc);
1565                                 break;
1566
1567                         case 21:
1568                                 if (argbuf[0] == 0)
1569                                         strcpy(aaa, "?");
1570                                 display_help(ipc, argbuf);
1571                                 break;
1572
1573                         case 41:
1574                                 formout(ipc, "register");
1575                                 entregis(ipc);
1576                                 break;
1577
1578                         case 15:
1579                                 scr_printf("Are you sure (y/n)? ");
1580                                 if (yesno() == 1) {
1581                                         if (!rc_alt_semantics)
1582                                                 updatels(ipc);
1583                                         a = 0;
1584                                         termn8 = 1;
1585                                 }
1586                                 break;
1587
1588                         case 85:
1589                                 scr_printf("All users will be disconnected!  "
1590                                            "Really terminate the server? ");
1591                                 if (yesno() == 1) {
1592                                         if (!rc_alt_semantics)
1593                                                 updatels(ipc);
1594                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
1595                                         scr_printf("%s\n", aaa);
1596                                         if (r / 100 == 2) {
1597                                                 a = 0;
1598                                                 termn8 = 1;
1599                                         }
1600                                 }
1601                                 break;
1602
1603                         case 86:
1604                                 scr_printf("Do you really want to schedule a "
1605                                            "server shutdown? ");
1606                                 if (yesno() == 1) {
1607                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
1608                                         if (r / 100 == 2) {
1609                                                 if (atoi(aaa)) {
1610                                                         scr_printf(
1611                                                                    "The Citadel server will terminate when all users are logged off.\n"
1612                                                                    );
1613                                                 } else {
1614                                                         scr_printf(
1615                                                                    "The Citadel server will not terminate.\n"
1616                                                                    );
1617                                                 }
1618                                         }
1619                                 }
1620                                 break;
1621
1622                         case 87:
1623                                 network_config_management(ipc, "listrecp",
1624                                                           "Message-by-message mailing list recipients");
1625                                 break;
1626
1627                         case 94:
1628                                 network_config_management(ipc, "digestrecp",
1629                                                           "Digest mailing list recipients");
1630                                 break;
1631
1632                         case 89:
1633                                 network_config_management(ipc, "ignet_push_share",
1634                                                           "Nodes with which we share this room");
1635                                 break;
1636
1637                         case 88:
1638                                 do_ignet_configuration(ipc);
1639                                 break;
1640
1641                         case 92:
1642                                 do_filterlist_configuration(ipc);
1643                                 break;
1644
1645                         case 6:
1646                                 if (rc_alt_semantics) {
1647                                         updatelsa(ipc);
1648                                 }
1649                                 gotonext(ipc);
1650                                 break;
1651
1652                         case 3:
1653                                 chatmode(ipc);
1654                                 break;
1655
1656                         case 2:
1657                                 if (ipc->isLocal) {
1658                                         screen_reset();
1659                                         sttybbs(SB_RESTORE);
1660                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
1661                                                  "exec ./subsystem %ld %d %d", fullname,
1662                                                  usernum, screenwidth, axlevel);
1663                                         ka_system(aaa);
1664                                         sttybbs(SB_NO_INTR);
1665                                         screen_set();
1666                                 } else {
1667                                         scr_printf("*** Can't run doors when server is not local.\n");
1668                                 }
1669                                 break;
1670
1671                         case 17:
1672                                 who_is_online(ipc, 0);
1673                                 break;
1674
1675                         case 79:
1676                                 who_is_online(ipc, 1);
1677                                 break;
1678
1679                         case 91:
1680                                 who_is_online(ipc, 2);
1681                                 break;
1682
1683                         case 80:
1684                                 do_system_configuration(ipc);
1685                                 break;
1686
1687                         case 82:
1688                                 do_internet_configuration(ipc);
1689                                 break;
1690
1691                         case 83:
1692                                 check_message_base(ipc);
1693                                 break;
1694
1695                         case 84:
1696                                 quiet_mode(ipc);
1697                                 break;
1698
1699                         case 93:
1700                                 stealth_mode(ipc);
1701                                 break;
1702
1703                         case 50:
1704                                 enter_config(ipc, 2);
1705                                 break;
1706
1707                         case 37:
1708                                 enter_config(ipc, 0);
1709                                 set_floor_mode();
1710                                 break;
1711
1712                         case 59:
1713                                 enter_config(ipc, 3);
1714                                 set_floor_mode();
1715                                 break;
1716
1717                         case 60:
1718                                 gotofloor(ipc, argbuf, GF_GOTO);
1719                                 break;
1720
1721                         case 61:
1722                                 gotofloor(ipc, argbuf, GF_SKIP);
1723                                 break;
1724
1725                         case 62:
1726                                 forget_this_floor(ipc);
1727                                 break;
1728
1729                         case 63:
1730                                 create_floor(ipc);
1731                                 break;
1732
1733                         case 64:
1734                                 edit_floor(ipc);
1735                                 break;
1736
1737                         case 65:
1738                                 kill_floor(ipc);
1739                                 break;
1740
1741                         case 66:
1742                                 enter_bio(ipc);
1743                                 break;
1744
1745                         case 67:
1746                                 read_bio(ipc);
1747                                 break;
1748
1749                         case 25:
1750                                 edituser(ipc);
1751                                 break;
1752
1753                         case 8:
1754                                 knrooms(ipc, floor_mode);
1755                                 scr_printf("\n");
1756                                 break;
1757
1758                         case 68:
1759                                 knrooms(ipc, 2);
1760                                 scr_printf("\n");
1761                                 break;
1762
1763                         case 69:
1764                                 misc_server_cmd(ipc, argbuf);
1765                                 break;
1766
1767                         case 70:
1768                                 edit_system_message(ipc, argbuf);
1769                                 break;
1770
1771                         case 19:
1772                                 listzrooms(ipc);
1773                                 scr_printf("\n");
1774                                 break;
1775
1776                         case 51:
1777                                 deletefile(ipc);
1778                                 break;
1779
1780                         case 53:
1781                                 netsendfile(ipc);
1782                                 break;
1783
1784                         case 54:
1785                                 movefile(ipc);
1786                                 break;
1787
1788                         case 56:
1789                                 page_user(ipc);
1790                                 break;
1791
1792                         default: /* allow some math on the command */
1793                                 /* commands 100... to 100+MAX_EDITORS-1 will
1794                                    call the appropriate editor... in other
1795                                    words, command numbers 100+ will match
1796                                    the citadel.rc keys editor0, editor1, etc.*/
1797                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
1798                                 {
1799                                         /* entmsg mode >=2 select editor */
1800                                         entmsg(ipc, 0, mcmd - 100 + 2);
1801                                         break;
1802                                 }
1803                         }       /* end switch */
1804         } while (termn8 == 0);
1805
1806 TERMN8: scr_printf("%s logged out.", fullname);
1807         termn8 = 0;
1808         color(ORIGINAL_PAIR);
1809         scr_printf("\n");
1810         while (march != NULL) {
1811                 remove_march(march->march_name, 0);
1812         }
1813         if (mcmd == 30) {
1814                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
1815         }
1816         CtdlIPCLogout(ipc);
1817         if ((mcmd == 29) || (mcmd == 15)) {
1818                 screen_delete();
1819                 sttybbs(SB_RESTORE);
1820                 formout(ipc, "goodbye");
1821                 logoff(ipc, 0);
1822         }
1823         goto GSTA;
1824
1825 }       /* end main() */