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 #include <libcitadel.h>
  36 #include "citadel.h"
  37 #include "citadel_ipc.h"
  38 #include "axdefs.h"
  39 #include "routines.h"
  40 #include "routines2.h"
  41 #include "tuiconfig.h"
  42 #include "rooms.h"
  43 #include "messages.h"
  44 #include "commands.h"
  45 #include "client_chat.h"
  46 #include "client_passwords.h"
  47 #include "citadel_decls.h"
  48 #include "sysdep.h"
  49 #ifndef HAVE_SNPRINTF
  50 #include "snprintf.h"
  51 #endif
  52 #include "screen.h"
  53 #include "citadel_dirs.h"
  54
  55 #include "ecrash.h"
  56 #include "md5.h"
  57
  58 #define IFEXPERT if (userflags&US_EXPERT)
  59 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  60 #define IFAIDE if (axlevel>=6)
  61 #define IFNAIDE if (axlevel<6)
  62
  63 int rordercmp(struct ctdlroomlisting *r1, struct ctdlroomlisting *r2);
  64
  65 march *marchptr = NULL;
  66
  67 /* globals associated with the client program */
  68 char temp[PATH_MAX];            /* Name of general-purpose temp file */
  69 char temp2[PATH_MAX];           /* Name of general-purpose temp file */
  70 char tempdir[PATH_MAX];         /* Name of general-purpose temp directory */
  71 char editor_paths[MAX_EDITORS][SIZ];    /* paths to external editors */
  72 char printcmd[SIZ];             /* print command */
  73 int editor_pid = (-1);
  74 char fullname[USERNAME_SIZE];
  75 int screenwidth;
  76 int screenheight;
  77 unsigned room_flags;
  78 unsigned room_flags2;
  79 char room_name[ROOMNAMELEN];
  80 char *uglist[UGLISTLEN]; /* size of the ungoto list */
  81 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
  82 int uglistsize = 0;
  83 char is_mail = 0;               /* nonzero when we're in a mail room */
  84 char axlevel = 0;               /* access level */
  85 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
  86 int timescalled;
  87 int posted;
  88 unsigned userflags;
  89 long usernum = 0L;              /* user number */
  90 time_t lastcall = 0L;           /* Date/time of previous login */
  91 char newnow;
  92 long highest_msg_read;          /* used for <A>bandon room cmd */
  93 long maxmsgnum;                 /* used for <G>oto */
  94 char sigcaught = 0;
  95 char have_xterm = 0;            /* are we running on an xterm? */
  96 char rc_username[USERNAME_SIZE];
  97 char rc_password[32];
  98 char hostbuf[SIZ];
  99 char portbuf[SIZ];
 100 char rc_floor_mode;
 101 char floor_mode;
 102 char curr_floor = 0;            /* number of current floor */
 103 char floorlist[128][SIZ];       /* names of floors */
 104 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
 105 int secure;                     /* Set to nonzero when wire is encrypted */
 106
 107 extern char instant_msgs;       /* instant messages waiting! */
 108 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
 109 extern int next_lazy_cmd;
 110
 111 CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
 112 int enable_syslog = 0;
 113
 114
 115 /*
 116  * CtdlLogPrintf()  ...   Write logging information;
 117  *                  simple here to have the same
 118  *                  symbols in the client.
 119  */
 120
 121 void CtdlLogPrintf(enum LogLevel loglevel, const char *format, ...) {
 122         va_list arg_ptr;
 123
 124         va_start(arg_ptr, format);
 125         vfprintf(stderr, format, arg_ptr);
 126         va_end(arg_ptr);
 127         fflush(stderr);
 128 }
 129
 130 /*
 131  * here is our 'clean up gracefully and exit' routine
 132  */
 133 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
 134 {
 135         int lp;
 136
 137         if (editor_pid > 0) {   /* kill the editor if it's running */
 138                 kill(editor_pid, SIGHUP);
 139         }
 140
 141         /* Free the ungoto list */
 142         for (lp = 0; lp < uglistsize; lp++) {
 143                 free(uglist[lp]);
 144         }
 145
 146 /* Shut down the server connection ... but not if the logoff code is 3,
 147  * because that means we're exiting because we already lost the server.
 148  */
 149         if (code != 3) {
 150                 CtdlIPCQuit(ipc);
 151         }
 152
 153 /*
 154  * now clean up various things
 155  */
 156         screen_delete();
 157
 158         unlink(temp);
 159         unlink(temp2);
 160         nukedir(tempdir);
 161
 162         /* Violently kill off any child processes if Citadel is
 163          * the login shell.
 164          */
 165         if (getppid() == 1) {
 166                 kill(0 - getpgrp(), SIGTERM);
 167                 sleep(1);
 168                 kill(0 - getpgrp(), SIGKILL);
 169         }
 170         color(ORIGINAL_PAIR);   /* Restore the old color settings */
 171         stty_ctdl(SB_RESTORE);  /* return the old terminal settings */
 172         /*
 173          * uncomment the following if you need to know why Citadel exited
 174         printf("*** Exit code %d at %s:%d\n", code, file, line);
 175         sleep(2);
 176          */
 177         exit(code);             /* exit with the proper exit code */
 178 }
 179
 180
 181
 182 /*
 183  * signal catching function for hangups...
 184  */
 185 void dropcarr(int signum)
 186 {
 187         logoff(NULL, 3);        /* No IPC when server's already gone! */
 188 }
 189
 190
 191
 192 /*
 193  * catch SIGCONT to reset terminal modes when were are put back into the
 194  * foreground.
 195  */
 196 void catch_sigcont(int signum)
 197 {
 198         stty_ctdl(SB_LAST);
 199         signal(SIGCONT, catch_sigcont);
 200 }
 201
 202
 203 /* general purpose routines */
 204
 205 /* display a file */
 206 void formout(CtdlIPC *ipc, char *name)
 207 {
 208         int r;                  /* IPC return code */
 209         char buf[SIZ];
 210         char *text = NULL;
 211
 212         r = CtdlIPCSystemMessage(ipc, name, &text, buf);
 213         if (r / 100 != 1) {
 214                 scr_printf("%s\n", buf);
 215                 return;
 216         }
 217         if (text) {
 218                 fmout(screenwidth, NULL, text, NULL,
 219                       ((userflags & US_PAGINATOR) ? 1 : 0),
 220                       screenheight, 1, 1);
 221                 free(text);
 222         }
 223 }
 224
 225
 226 void userlist(CtdlIPC *ipc, char *patn)
 227 {
 228         char buf[SIZ];
 229         char fl[SIZ];
 230         struct tm tmbuf;
 231         time_t lc;
 232         int r;                          /* IPC response code */
 233         char *listing = NULL;
 234
 235         r = CtdlIPCUserListing(ipc, patn, &listing, buf);
 236         if (r / 100 != 1) {
 237                 pprintf("%s\n", buf);
 238                 return;
 239         }
 240
 241         pprintf("       User Name           Num  L Last Visit Logins Messages\n");
 242         pprintf("------------------------- ----- - ---------- ------ --------\n");
 243         if (listing != NULL) while (!IsEmptyStr(listing)) {
 244                 extract_token(buf, listing, 0, '\n', sizeof buf);
 245                 remove_token(listing, 0, '\n');
 246
 247                 if (sigcaught == 0) {
 248                     extract_token(fl, buf, 0, '|', sizeof fl);
 249                     if (pattern(fl, patn) >= 0) {
 250                         pprintf("%-25s ", fl);
 251                         pprintf("%5ld %d ", extract_long(buf, 2),
 252                                extract_int(buf, 1));
 253                         lc = extract_long(buf, 3);
 254                         localtime_r(&lc, &tmbuf);
 255                         pprintf("%02d/%02d/%04d ",
 256                                (tmbuf.tm_mon + 1),
 257                                tmbuf.tm_mday,
 258                                (tmbuf.tm_year + 1900));
 259                         pprintf("%6ld %8ld\n", extract_long(buf, 4), extract_long(buf, 5));
 260                     }
 261
 262                 }
 263         }
 264         free(listing);
 265         pprintf("\n");
 266 }
 267
 268
 269 /*
 270  * grab assorted info about the user...
 271  */
 272 void load_user_info(char *params)
 273 {
 274         extract_token(fullname, params, 0, '|', sizeof fullname);
 275         axlevel = extract_int(params, 1);
 276         timescalled = extract_int(params, 2);
 277         posted = extract_int(params, 3);
 278         userflags = extract_int(params, 4);
 279         usernum = extract_long(params, 5);
 280         lastcall = extract_long(params, 6);
 281 }
 282
 283
 284 /*
 285  * Remove a room from the march list.  'floornum' is ignored unless
 286  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 287  * floor will be removed from the march list.
 288  */
 289 void remove_march(char *roomname, int floornum)
 290 {
 291         struct march *mptr, *mptr2;
 292
 293         if (marchptr == NULL)
 294                 return;
 295
 296         if ((!strcasecmp(marchptr->march_name, roomname))
 297             || ((!strcasecmp(roomname, "_FLOOR_")) && (marchptr->march_floor == floornum))) {
 298                 mptr = marchptr->next;
 299                 free(marchptr);
 300                 marchptr = mptr;
 301                 return;
 302         }
 303         mptr2 = marchptr;
 304         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
 305
 306                 if ((!strcasecmp(mptr->march_name, roomname))
 307                     || ((!strcasecmp(roomname, "_FLOOR_"))
 308                         && (mptr->march_floor == floornum))) {
 309
 310                         mptr2->next = mptr->next;
 311                         free(mptr);
 312                         mptr = mptr2;
 313                 } else {
 314                         mptr2 = mptr;
 315                 }
 316         }
 317 }
 318
 319
 320 /*
 321  * Locate the room on the march list which we most want to go to.  Each room
 322  * is measured given a "weight" of preference based on various factors.
 323  */
 324 char *pop_march(int desired_floor, struct march *_march)
 325 {
 326         static char TheRoom[ROOMNAMELEN];
 327         int TheFloor = 0;
 328         int TheOrder = 32767;
 329         int TheWeight = 0;
 330         int weight;
 331         struct march *mptr = NULL;
 332
 333         strcpy(TheRoom, "_BASEROOM_");
 334         if (_march == NULL)
 335                 return (TheRoom);
 336
 337         for (mptr = _march; mptr != NULL; mptr = mptr->next) {
 338                 weight = 0;
 339                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 340                         weight = weight + 10000;
 341                 if (mptr->march_floor == desired_floor)
 342                         weight = weight + 5000;
 343
 344                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 345                 weight = weight + (128 - (mptr->march_order));
 346
 347                 if (weight > TheWeight) {
 348                         TheWeight = weight;
 349                         strcpy(TheRoom, mptr->march_name);
 350                         TheFloor = mptr->march_floor;
 351                         TheOrder = mptr->march_order;
 352                 }
 353         }
 354         return (TheRoom);
 355 }
 356
 357
 358 /*
 359  * jump directly to a room
 360  */
 361 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
 362 {
 363         char aaa[SIZ], bbb[SIZ];
 364         static long ls = 0L;
 365         int newmailcount = 0;
 366         int partial_match, best_match;
 367         char from_floor;
 368         int ugpos = uglistsize;
 369         int r;                          /* IPC result code */
 370         struct ctdlipcroom *room = NULL;
 371
 372         /* store ungoto information */
 373         if (fromungoto == 0) {
 374                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
 375                 if (uglistsize >= (UGLISTLEN-1)) {
 376                         int lp;
 377                         free (uglist[0]);
 378                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
 379                                 uglist[lp] = uglist[lp+1];
 380                                 uglistlsn[lp] = uglistlsn[lp+1];
 381                         }
 382                         ugpos--;
 383                 } else {
 384                         uglistsize++;
 385                 }
 386
 387                 uglist[ugpos] = malloc(strlen(room_name)+1);
 388                 strcpy(uglist[ugpos], room_name);
 389                 uglistlsn[ugpos] = ls;
 390         }
 391
 392         /* first try an exact match */
 393         r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
 394         if (r / 10 == 54) {
 395                 newprompt("Enter room password: ", bbb, 9);
 396                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
 397                 if (r / 10 == 54) {
 398                         scr_printf("Wrong password.\n");
 399                         return;
 400                 }
 401         }
 402
 403         /*
 404          * If a match is not found, try a partial match.
 405          * Partial matches anywhere in the string carry a weight of 1,
 406          * left-aligned matches carry a weight of 2.  Pick the room that
 407          * has the highest-weighted match.  Do not match on forgotten
 408          * rooms.
 409          */
 410         if (r / 100 != 2) {
 411                 struct march *march = NULL;
 412
 413                 best_match = 0;
 414                 strcpy(bbb, "");
 415
 416                 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
 417                 if (r / 100 == 1) {
 418                         /* Run the roomlist; free the data as we go */
 419                         struct march *mp = march;       /* Current */
 420
 421                         while (mp) {
 422                                 partial_match = 0;
 423                                 if (pattern(mp->march_name, towhere) >= 0) {
 424                                         partial_match = 1;
 425                                 }
 426                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
 427                                         partial_match = 2;
 428                                 }
 429                                 if (partial_match > best_match) {
 430                                         strcpy(bbb, mp->march_name);
 431                                         best_match = partial_match;
 432                                 }
 433                                 /* Both pointers are NULL at end of list */
 434                                 march = mp->next;
 435                                 free(mp);
 436                                 mp = march;
 437                         }
 438                 }
 439
 440                 if (IsEmptyStr(bbb)) {
 441                         scr_printf("No room '%s'.\n", towhere);
 442                         return;
 443                 }
 444                 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
 445         }
 446         if (r / 100 != 1 && r / 100 != 2) {
 447                 scr_printf("%s\n", aaa);
 448                 return;
 449         }
 450         safestrncpy(room_name, room->RRname, ROOMNAMELEN);
 451         room_flags = room->RRflags;
 452         room_flags2 = room->RRflags2;
 453         from_floor = curr_floor;
 454         curr_floor = room->RRfloor;
 455
 456         remove_march(room_name, 0);
 457         if (!strcasecmp(towhere, "_BASEROOM_"))
 458                 remove_march(towhere, 0);
 459         if (!room->RRunread)
 460                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
 461         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 462                 if (floorlist[(int) curr_floor][0] == 0)
 463                         load_floorlist(ipc);
 464                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 465         }
 466         if (display_name == 1) {
 467                 color(BRIGHT_WHITE);
 468                 scr_printf("%s ", room_name);
 469                 color(DIM_WHITE);
 470                 scr_printf("- ");
 471         }
 472         if (display_name != 2) {
 473                 color(BRIGHT_YELLOW);
 474                 scr_printf("%d ", room->RRunread);
 475                 color(DIM_WHITE);
 476                 scr_printf("new of ");
 477                 color(BRIGHT_YELLOW);
 478                 scr_printf("%d ", room->RRtotal);
 479                 color(DIM_WHITE);
 480                 scr_printf("messages.\n");
 481         }
 482         highest_msg_read = room->RRlastread;
 483         maxmsgnum = room->RRhighest;
 484         is_mail = room->RRismailbox;
 485         is_room_aide = room->RRaide;
 486         ls = room->RRlastread;
 487
 488         /* read info file if necessary */
 489         if (room->RRinfoupdated > 0)
 490                 readinfo(ipc);
 491
 492         /* check for newly arrived mail if we can */
 493         newmailcount = room->RRnewmail;
 494         if (newmailcount > 0) {
 495                 color(BRIGHT_RED);
 496                 if (newmailcount == 1) {
 497                         scr_printf("*** A new mail message has arrived.\n");
 498                 }
 499                 else {
 500                         scr_printf("*** %d new mail messages have arrived.\n",
 501                                         newmailcount);
 502                 }
 503                 color(DIM_WHITE);
 504                 if (!IsEmptyStr(rc_gotmail_cmd)) {
 505                         system(rc_gotmail_cmd);
 506                 }
 507         }
 508         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location,
 509                         room_name, secure, newmailcount);
 510         free(room);
 511 }
 512
 513 /* Goto next room having unread messages.
 514  * We want to skip over rooms that the user has already been to, and take the
 515  * user back to the lobby when done.  The room we end up in is placed in
 516  * newroom - which is set to 0 (the lobby) initially.
 517  */
 518 void gotonext(CtdlIPC *ipc)
 519 {
 520         char buf[SIZ];
 521         struct march *mptr, *mptr2;
 522         char next_room[ROOMNAMELEN];
 523         int r;                          /* IPC response code */
 524
 525         /* Check to see if the march-mode list is already allocated.
 526          * If it is, pop the first room off the list and go there.
 527          */
 528         if (marchptr == NULL) {
 529                 r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
 530                                         AllFloors, &marchptr, buf);
 531
 532 /* add _BASEROOM_ to the end of the march list, so the user will end up
 533  * in the system base room (usually the Lobby>) at the end of the loop
 534  */
 535                 mptr = (struct march *) malloc(sizeof(struct march));
 536                 mptr->next = NULL;
 537                 mptr->march_order = 0;
 538                 mptr->march_floor = 0;
 539                 strcpy(mptr->march_name, "_BASEROOM_");
 540                 if (marchptr == NULL) {
 541                         marchptr = mptr;
 542                 } else {
 543                         mptr2 = marchptr;
 544                         while (mptr2->next != NULL)
 545                                 mptr2 = mptr2->next;
 546                         mptr2->next = mptr;
 547                 }
 548 /*
 549  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 550  * walk around in circles
 551  */
 552                 remove_march(room_name, 0);
 553         }
 554         if (marchptr != NULL) {
 555                 strcpy(next_room, pop_march(curr_floor, marchptr));
 556         } else {
 557                 strcpy(next_room, "_BASEROOM_");
 558         }
 559         remove_march(next_room, 0);
 560         dotgoto(ipc, next_room, 1, 0);
 561 }
 562
 563 /*
 564  * forget all rooms on a given floor
 565  */
 566 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
 567 {
 568         char buf[SIZ];
 569         struct march *flist = NULL;
 570         struct march *fptr = NULL;
 571         struct ctdlipcroom *room = NULL;
 572         int r;                          /* IPC response code */
 573
 574         scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
 575         scr_flush();
 576         remove_march("_FLOOR_", ffloor);
 577         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
 578         if (r / 100 != 1) {
 579                 scr_printf("Error %d: %s\n", r, buf);
 580                 return;
 581         }
 582         while (flist) {
 583                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
 584                 if (r / 100 == 2) {
 585                         r = CtdlIPCForgetRoom(ipc, buf);
 586                         if (r / 100 != 2) {
 587                                 scr_printf("Error %d: %s\n", r, buf);
 588                         }
 589
 590                 }
 591                 fptr = flist;
 592                 flist = flist->next;
 593                 free(fptr);
 594         }
 595         if (room) free(room);
 596 }
 597
 598
 599 /*
 600  * routine called by gotofloor() to move to a new room on a new floor
 601  */
 602 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
 603 {
 604         int floor_being_left;
 605
 606         floor_being_left = curr_floor;
 607
 608         if (mode == GF_GOTO) {          /* <;G>oto mode */
 609                 updatels(ipc);
 610                 dotgoto(ipc, towhere, 1, 0);
 611         }
 612         else if (mode == GF_SKIP) {     /* <;S>kip mode */
 613                 dotgoto(ipc, towhere, 1, 0);
 614                 remove_march("_FLOOR_", floor_being_left);
 615         }
 616         else if (mode == GF_ZAP) {      /* <;Z>ap mode */
 617                 dotgoto(ipc, towhere, 1, 0);
 618                 remove_march("_FLOOR_", floor_being_left);
 619                 forget_all_rooms_on(ipc, floor_being_left);
 620         }
 621 }
 622
 623
 624 /*
 625  * go to a new floor
 626  */
 627 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
 628 {
 629         int a, tofloor;
 630         int r;          /* IPC response code */
 631         struct march *mptr;
 632         char buf[SIZ], targ[SIZ];
 633
 634         if (floorlist[0][0] == 0)
 635                 load_floorlist(ipc);
 636         tofloor = (-1);
 637         for (a = 0; a < 128; ++a)
 638                 if (!strcasecmp(&floorlist[a][0], towhere))
 639                         tofloor = a;
 640
 641         if (tofloor < 0) {
 642                 for (a = 0; a < 128; ++a) {
 643                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 644                                 tofloor = a;
 645                         }
 646                 }
 647         }
 648         if (tofloor < 0) {
 649                 for (a = 0; a < 128; ++a)
 650                         if (pattern(towhere, &floorlist[a][0]) > 0)
 651                                 tofloor = a;
 652         }
 653         if (tofloor < 0) {
 654                 scr_printf("No floor '%s'.\n", towhere);
 655                 return;
 656         }
 657         for (mptr = marchptr; mptr != NULL; mptr = mptr->next) {
 658                 if ((mptr->march_floor) == tofloor) {
 659                         gf_toroom(ipc, mptr->march_name, mode);
 660                         return;
 661                 }
 662         }
 663
 664         /* Find first known room on the floor */
 665
 666         strcpy(targ, "");
 667         mptr = NULL;
 668         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
 669         if (r / 100 == 1) {
 670                 struct march *tmp = mptr;
 671
 672                 /*. . . according to room order */
 673                 if (mptr)
 674             strcpy(targ, pop_march(tofloor, mptr));
 675                 while (mptr) {
 676                         tmp = mptr->next;
 677                         free(mptr);
 678                         mptr = tmp;
 679                 }
 680         }
 681         if (!IsEmptyStr(targ)) {
 682                 gf_toroom(ipc, targ, mode);
 683                 return;
 684         }
 685
 686         /* No known rooms on the floor; unzap the first one then */
 687
 688         strcpy(targ, "");
 689         mptr = NULL;
 690         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
 691         if (r / 100 == 1) {
 692                 struct march *tmp = mptr;
 693
 694         /*. . . according to room order */
 695                 if (mptr)
 696                         strcpy(targ, pop_march(tofloor, mptr));
 697                 while (mptr) {
 698                         tmp = mptr->next;
 699                         free(mptr);
 700                         mptr = tmp;
 701                 }
 702         }
 703         if (!IsEmptyStr(targ)) {
 704                 gf_toroom(ipc, targ, mode);
 705         } else {
 706                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 707         }
 708 }
 709
 710 /*
 711  * Indexing mechanism for a room list, called by gotoroomstep()
 712  */
 713 void room_tree_list_query(struct ctdlroomlisting *rp, char *findrmname, int findrmslot, char *rmname, int *rmslot, int *rmtotal)
 714 {
 715         char roomname[ROOMNAMELEN];
 716         static int cur_rmslot = 0;
 717
 718         if (rp == NULL) {
 719                 cur_rmslot = 0;
 720                 return;
 721         }
 722
 723         if (rp->lnext != NULL) {
 724                 room_tree_list_query(rp->lnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 725         }
 726
 727         if (sigcaught == 0) {
 728                 strcpy(roomname, rp->rlname);
 729
 730                 if (rmname != NULL) {
 731                         if (cur_rmslot == findrmslot) {
 732                                 strcpy(rmname, roomname);
 733                         }
 734                 }
 735                 if (rmslot != NULL) {
 736                         if (!strcmp(roomname, findrmname)) {
 737                                 *rmslot = cur_rmslot;
 738                         }
 739                 }
 740                 cur_rmslot++;
 741         }
 742
 743         if (rp->rnext != NULL) {
 744                 room_tree_list_query(rp->rnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 745         }
 746
 747         if ((rmname == NULL) && (rmslot == NULL))
 748                 free(rp);
 749
 750         if (rmtotal != NULL) {
 751                 *rmtotal = cur_rmslot;
 752         }
 753 }
 754
 755 /*
 756  * step through rooms on current floor
 757  */
 758 void  gotoroomstep(CtdlIPC *ipc, int direction, int mode)
 759 {
 760         struct march *listing = NULL;
 761         struct march *mptr;
 762         int r;          /* IPC response code */
 763         char buf[SIZ];
 764         struct ctdlroomlisting *rl = NULL;
 765         struct ctdlroomlisting *rp;
 766         struct ctdlroomlisting *rs;
 767         int list_it;
 768         char rmname[ROOMNAMELEN];
 769         int rmslot = 0;
 770         int rmtotal;
 771         struct ctdlroom *attr = NULL;
 772
 773         /* Fetch the existing room config */
 774         r = CtdlIPCGetRoomAttributes(ipc, &attr, buf);
 775         if (r / 100 != 2) {
 776                 scr_printf("%s\n", buf);
 777                 return;
 778         }
 779         strcpy (room_name , attr->QRname);
 780         free(attr);
 781
 782         /* Ask the server for a room list */
 783         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, (-1), &listing, buf);
 784         if (r / 100 != 1) {
 785                 listing = NULL;
 786         }
 787
 788         load_floorlist(ipc);
 789
 790         for (mptr = listing; mptr != NULL; mptr = mptr->next) {
 791                 list_it = 1;
 792
 793                 if ( floor_mode
 794                          && (mptr->march_floor != curr_floor))
 795                         list_it = 0;
 796
 797                 if (list_it) {
 798                         rp = malloc(sizeof(struct ctdlroomlisting));
 799                         strncpy(rp->rlname, mptr->march_name, ROOMNAMELEN);
 800                         rp->rlflags = mptr->march_flags;
 801                         rp->rlfloor = mptr->march_floor;
 802                         rp->rlorder = mptr->march_order;
 803                         rp->lnext = NULL;
 804                         rp->rnext = NULL;
 805
 806                         rs = rl;
 807                         if (rl == NULL) {
 808                                 rl = rp;
 809                         } else {
 810                                 while (rp != NULL) {
 811                                         if (rordercmp(rp, rs) < 0) {
 812                                                 if (rs->lnext == NULL) {
 813                                                         rs->lnext = rp;
 814                                                         rp = NULL;
 815                                                 } else {
 816                                                         rs = rs->lnext;
 817                                                 }
 818                                         } else {
 819                                                 if (rs->rnext == NULL) {
 820                                                         rs->rnext = rp;
 821                                                         rp = NULL;
 822                                                 } else {
 823                                                         rs = rs->rnext;
 824                                                 }
 825                                         }
 826                                 }
 827                         }
 828                 }
 829         }
 830
 831         /* Find position of current room */
 832         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 833         room_tree_list_query(rl,  room_name, 0, NULL, &rmslot, &rmtotal);
 834
 835         if (direction == 0) { /* Previous room */
 836                 /* If we're at the first room, wrap to the last room */
 837                 if (rmslot == 0) {
 838                         rmslot = rmtotal - 1;
 839                 } else {
 840                         rmslot--;
 841                 }
 842         } else {                 /* Next room */
 843                 /* If we're at the last room, wrap to the first room */
 844                 if (rmslot == rmtotal - 1) {
 845                         rmslot = 0;
 846                 } else {
 847                         rmslot++;
 848                 }
 849         }
 850
 851         /* Get name of next/previous room */
 852         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 853         room_tree_list_query(rl,  NULL, rmslot, rmname, NULL, NULL);
 854
 855         /* Free the tree */
 856         room_tree_list_query(rl, NULL, 0, NULL, NULL, NULL);
 857
 858         if (mode == 0) { /* not skipping */
 859             updatels(ipc);
 860         } else {
 861                 if (rc_alt_semantics) {
 862                 updatelsa(ipc);
 863                 }
 864         }
 865
 866         /* Free the room list */
 867         while (listing) {
 868                 mptr = listing->next;
 869                 free(listing);
 870                 listing = mptr;
 871         };
 872
 873         dotgoto(ipc, rmname, 1, 0);
 874 }
 875
 876
 877 /*
 878  * step through floors on system
 879  */
 880 void  gotofloorstep(CtdlIPC *ipc, int direction, int mode)
 881 {
 882         int  tofloor;
 883
 884         if (floorlist[0][0] == 0)
 885                 load_floorlist(ipc);
 886
 887         empty_keep_going:
 888
 889         if (direction == 0) { /* Previous floor */
 890                 if (curr_floor) tofloor = curr_floor - 1;
 891                 else tofloor = 127;
 892
 893                 while (!floorlist[tofloor][0]) tofloor--;
 894         } else {                   /* Next floor */
 895                 if (curr_floor < 127) tofloor = curr_floor + 1;
 896                 else tofloor = 0;
 897
 898                 while (!floorlist[tofloor][0] && tofloor < 127) tofloor++;
 899                 if (!floorlist[tofloor][0])     tofloor = 0;
 900         }
 901         /* ;g works when not in floor mode so . . . */
 902         if (!floor_mode) {
 903                 scr_printf("(%s)\n", floorlist[tofloor] );
 904         }
 905
 906         gotofloor(ipc, floorlist[tofloor], mode);
 907         if (curr_floor != tofloor) { /* gotofloor failed */
 908              curr_floor = tofloor;
 909              goto empty_keep_going;
 910         }
 911 }
 912
 913 /*
 914  * Display user 'preferences'.
 915  */
 916 extern int rc_prompt_control;
 917 void read_config(CtdlIPC *ipc)
 918 {
 919         char buf[SIZ];
 920         char *resp = NULL;
 921         int r;                  /* IPC response code */
 922     char _fullname[USERNAME_SIZE];
 923         long _usernum;
 924         int _axlevel, _timescalled, _posted;
 925         time_t _lastcall;
 926         struct ctdluser *user = NULL;
 927
 928         /* get misc user info */
 929         r = CtdlIPCGetBio(ipc, fullname, &resp, buf);
 930         if (r / 100 != 1) {
 931                 pprintf("%s\n", buf);
 932                 return;
 933         }
 934         extract_token(_fullname, buf, 1, '|', sizeof fullname);
 935         _usernum = extract_long(buf, 2);
 936         _axlevel = extract_int(buf, 3);
 937         _lastcall = extract_long(buf, 4);
 938     _timescalled = extract_int(buf, 5);
 939         _posted = extract_int(buf, 6);
 940         free(resp);
 941         resp = NULL;
 942
 943         /* get preferences */
 944         r = CtdlIPCGetConfig(ipc, &user, buf);
 945         if (r / 100 != 2) {
 946                 scr_printf("%s\n", buf);
 947                 free(user);
 948                 return;
 949         }
 950
 951         /* show misc user info */
 952         scr_printf("%s\nAccess level: %d (%s)\n"
 953                    "User #%ld / %d Calls / %d Posts",
 954                    _fullname, _axlevel, axdefs[(int) _axlevel],
 955                    _usernum, _timescalled, _posted);
 956         if (_lastcall > 0L) {
 957                 scr_printf(" / Curr login: %s",
 958                            asctime(localtime(&_lastcall)));
 959         }
 960         scr_printf("\n");
 961
 962         /* show preferences */
 963         scr_printf("Your screen width: ");                                     color(BRIGHT_CYAN); scr_printf("%d",   /*user->USscreenwidth*/ screenwidth);          color(DIM_WHITE);
 964         scr_printf(", height: ");                                              color(BRIGHT_CYAN); scr_printf("%d\n", /*user->USscreenheight*/ screenheight);        color(DIM_WHITE);
 965         scr_printf("Are you an experienced Citadel user: ");                   color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXPERT) ? "Yes" : "No");     color(DIM_WHITE);
 966         scr_printf("Print last old message on New message request: ");         color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_LASTOLD)? "Yes" : "No");     color(DIM_WHITE);
 967         scr_printf("Prompt after each message: ");                             color(BRIGHT_CYAN); scr_printf("%s\n", (!(user->flags & US_NOPROMPT))? "Yes" : "No"); color(DIM_WHITE);
 968         if ((user->flags & US_NOPROMPT) == 0) {
 969         scr_printf("Use 'disappearing' prompts: ");                        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_DISAPPEAR)? "Yes" : "No");   color(DIM_WHITE);
 970         }
 971         scr_printf("Pause after each screenful of text: ");                    color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PAGINATOR)? "Yes" : "No");   color(DIM_WHITE);
 972     if (rc_prompt_control == 3 && (user->flags & US_PAGINATOR)) {
 973         scr_printf("<N>ext and <S>top work at paginator prompt: ");        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PROMPTCTL)? "Yes" : "No");   color(DIM_WHITE);
 974         }
 975     if (rc_floor_mode == RC_DEFAULT) {
 976         scr_printf("View rooms by floor: ");                               color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_FLOORS)? "Yes" : "No");          color(DIM_WHITE);
 977         }
 978         if (rc_ansi_color == 3) {
 979             scr_printf("Enable color support: ");                              color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_COLOR)? "Yes" : "No");       color(DIM_WHITE);
 980         }
 981         scr_printf("Be unlisted in userlog: ");                                color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_UNLISTED)? "Yes" : "No");    color(DIM_WHITE);
 982         if (!IsEmptyStr(editor_paths[0])) {
 983         scr_printf("Always enter messages with the full-screen editor: "); color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXTEDIT)? "Yes" : "No");     color(DIM_WHITE);
 984         }
 985         free(user);
 986 }
 987
 988 /*
 989  * Display system statistics.
 990  */
 991 void system_info(CtdlIPC *ipc)
 992 {
 993         char buf[SIZ];
 994         char *resp = NULL;
 995         size_t bytes;
 996         int mrtg_users, mrtg_active_users;
 997         char mrtg_server_uptime[40];
 998         long mrtg_himessage;
 999         int ret;                        /* IPC response code */
1000
1001         /* get #users, #active & server uptime */
1002         ret = CtdlIPCGenericCommand(ipc, "MRTG|users", NULL, 0, &resp, &bytes, buf);
1003         mrtg_users = extract_int(resp, 0);
1004         remove_token(resp, 0, '\n');
1005         mrtg_active_users = extract_int(resp, 0);
1006         remove_token(resp, 0, '\n');
1007         extract_token(mrtg_server_uptime, resp, 0, '\n', sizeof mrtg_server_uptime);
1008     free(resp);
1009         resp = NULL;
1010
1011         /* get high message# */
1012         ret = CtdlIPCGenericCommand(ipc, "MRTG|messages", NULL, 0, &resp, &bytes, buf);
1013         mrtg_himessage = extract_long(resp, 0);
1014         free(resp);
1015         resp = NULL;
1016
1017         /* refresh server info just in case */
1018         CtdlIPCServerInfo(ipc, buf);
1019
1020         scr_printf("You are connected to %s (%s) @%s\n", ipc->ServInfo.nodename, ipc->ServInfo.humannode, ipc->ServInfo.fqdn);
1021         scr_printf("running %s with text client v%.2f,\n", ipc->ServInfo.software, (float)REV_LEVEL/100);
1022         scr_printf("server build %s,\n", ipc->ServInfo.svn_revision, (float)REV_LEVEL/100);
1023     scr_printf("and located in %s.\n", ipc->ServInfo.site_location);
1024     scr_printf("Connected users %d / Active users %d / Highest message #%ld\n", mrtg_users, mrtg_active_users, mrtg_himessage);
1025     scr_printf("Server uptime: %s\n", mrtg_server_uptime);
1026     scr_printf("Your system administrator is %s.\n", ipc->ServInfo.sysadm);
1027     scr_printf("Copyright (C)1987-2009 by the Citadel development team\n");
1028 }
1029
1030 /*
1031  * forget all rooms on current floor
1032  */
1033 void forget_this_floor(CtdlIPC *ipc)
1034 {
1035         if (curr_floor == 0) {
1036                 scr_printf("Can't forget this floor.\n");
1037                 return;
1038         }
1039         if (floorlist[0][0] == 0) {
1040                 load_floorlist(ipc);
1041         }
1042         scr_printf("Are you sure you want to forget all rooms on %s? ",
1043                &floorlist[(int) curr_floor][0]);
1044         if (yesno() == 0) {
1045                 return;
1046         }
1047
1048         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
1049 }
1050
1051
1052 /*
1053  * Figure out the physical screen dimensions, if we can
1054  * WARNING:  this is now called from a signal handler!
1055  */
1056 void check_screen_dims(void)
1057 {
1058 #ifdef TIOCGWINSZ
1059         struct {
1060                 unsigned short height;  /* rows */
1061                 unsigned short width;   /* columns */
1062                 unsigned short xpixels;
1063                 unsigned short ypixels;         /* pixels */
1064         } xwinsz;
1065
1066         if (have_xterm) {       /* dynamically size screen if on an xterm */
1067                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
1068                         if (xwinsz.height)
1069                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
1070                         if (xwinsz.width)
1071                                 screenwidth = (int) xwinsz.width;
1072                 }
1073         }
1074 #endif
1075 }
1076
1077
1078 /*
1079  * set floor mode depending on client, server, and user settings
1080  */
1081 void set_floor_mode(CtdlIPC* ipc)
1082 {
1083         if (ipc->ServInfo.ok_floors == 0) {
1084                 floor_mode = 0; /* Don't use floors if the server */
1085         }
1086         /* doesn't support them!          */
1087         else {
1088                 if (rc_floor_mode == RC_NO) {   /* never use floors */
1089                         floor_mode = 0;
1090                 }
1091                 if (rc_floor_mode == RC_YES) {  /* always use floors */
1092                         floor_mode = 1;
1093                 }
1094                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
1095                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
1096                 }
1097         }
1098 }
1099
1100 /*
1101  * Set or change the user's password
1102  */
1103 int set_password(CtdlIPC *ipc)
1104 {
1105         char pass1[20];
1106         char pass2[20];
1107         char buf[SIZ];
1108
1109         if (!IsEmptyStr(rc_password)) {
1110                 strcpy(pass1, rc_password);
1111                 strcpy(pass2, rc_password);
1112         } else {
1113                 IFNEXPERT formout(ipc, "changepw");
1114                 newprompt("Enter a new password: ", pass1, -19);
1115                 newprompt("Enter it again to confirm: ", pass2, -19);
1116         }
1117         strproc(pass1);
1118         strproc(pass2);
1119         if (!strcasecmp(pass1, pass2)) {
1120                 CtdlIPCChangePassword(ipc, pass1, buf);
1121                 scr_printf("%s\n", buf);
1122                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
1123                 return (0);
1124         } else {
1125                 scr_printf("*** They don't match... try again.\n");
1126                 return (1);
1127         }
1128 }
1129
1130
1131
1132 /*
1133  * get info about the server we've connected to
1134  */
1135 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
1136 {
1137         char buf[SIZ];
1138
1139         CtdlIPCServerInfo(ipc, buf);
1140
1141         /* be nice and identify ourself to the server */
1142         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
1143                  (ipc->isLocal ? "local" : CITADEL),
1144                  (supplied_hostname) ? supplied_hostname :
1145                  /* Look up the , in the bible if you're confused */
1146                  (locate_host(ipc, buf), buf), buf);
1147
1148         /* Indicate to the server that we prefer to decode Base64 and
1149          * quoted-printable on the client side.
1150          */
1151         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "dont_decode") / 100 ) != 2) {
1152                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1153                 logoff(ipc, 0);
1154         }
1155
1156         /*
1157          * Tell the server what our preferred content formats are.
1158          *
1159          * Originally we preferred HTML over plain text because we can format
1160          * it to the reader's screen width, but since our HTML-to-text parser
1161          * isn't really all that great, it's probably better to just go with
1162          * the plain text when we have it available.
1163          */
1164         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/plain|text/html") / 100 ) != 2) {
1165                 scr_printf("ERROR: Extremely old server; MSG4 framework not supported.\n");
1166                 logoff(ipc, 0);
1167         }
1168 }
1169
1170
1171
1172 /*
1173  * Record compare function for SortOnlineUsers()
1174  */
1175 int idlecmp(const void *rec1, const void *rec2) {
1176         time_t i1, i2;
1177
1178         i1 = extract_long(rec1, 5);
1179         i2 = extract_long(rec2, 5);
1180
1181         if (i1 < i2) return(1);
1182         if (i1 > i2) return(-1);
1183         return(0);
1184 }
1185
1186
1187 /*
1188  * Sort the list of online users by idle time.
1189  * This function frees the supplied buffer, and returns a new one
1190  * to the caller.  The caller is responsible for freeing the returned buffer.
1191  */
1192 char *SortOnlineUsers(char *listing) {
1193         int rows;
1194         char *sortbuf;
1195         char *retbuf;
1196         char buf[SIZ];
1197         int i;
1198
1199         rows = num_tokens(listing, '\n');
1200         sortbuf = malloc(rows * SIZ);
1201         if (sortbuf == NULL) return(listing);
1202         retbuf = malloc(rows * SIZ);
1203         if (retbuf == NULL) {
1204                 free(sortbuf);
1205                 return(listing);
1206         }
1207
1208         /* Copy the list into a fixed-record-size array for sorting */
1209         for (i=0; i<rows; ++i) {
1210                 memset(buf, 0, SIZ);
1211                 extract_token(buf, listing, i, '\n', sizeof buf);
1212                 memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
1213         }
1214
1215         /* Do the sort */
1216         qsort(sortbuf, rows, SIZ, idlecmp);
1217
1218         /* Copy back to a \n delimited list */
1219         strcpy(retbuf, "");
1220         for (i=0; i<rows; ++i) {
1221                 strcat(retbuf, &sortbuf[i*SIZ]);
1222                 if (i<(rows-1)) strcat(retbuf, "\n");
1223         }
1224     free(listing);
1225     free(sortbuf);
1226         return(retbuf);
1227 }
1228
1229
1230
1231 /*
1232  * Display list of users currently logged on to the server
1233  */
1234 void who_is_online(CtdlIPC *ipc, int longlist)
1235 {
1236         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
1237         char flags[SIZ];
1238         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
1239         char clientsoft[SIZ];
1240         time_t timenow = 0;
1241         time_t idletime, idlehours, idlemins, idlesecs;
1242         int last_session = (-1);
1243         int skipidle = 0;
1244         char *listing = NULL;
1245         int r;                          /* IPC response code */
1246
1247         if (longlist == 2) {
1248                 longlist = 0;
1249                 skipidle = 1;
1250         }
1251
1252         if (!longlist) {
1253                 color(BRIGHT_WHITE);
1254                 pprintf("           User Name               Room          ");
1255                 if (screenwidth >= 80) pprintf(" Idle        From host");
1256                 pprintf("\n");
1257                 color(DIM_WHITE);
1258                 pprintf("   ------------------------- --------------------");
1259                 if (screenwidth >= 80) pprintf(" ---- ------------------------");
1260                 pprintf("\n");
1261         }
1262         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
1263         listing = SortOnlineUsers(listing);
1264         if (r / 100 == 1) {
1265                 while (!IsEmptyStr(listing)) {
1266                         int isidle = 0;
1267
1268                         /* Get another line */
1269                         extract_token(buf, listing, 0, '\n', sizeof buf);
1270                         remove_token(listing, 0, '\n');
1271
1272                         extract_token(username, buf, 1, '|', sizeof username);
1273                         extract_token(roomname, buf, 2, '|', sizeof roomname);
1274                         extract_token(fromhost, buf, 3, '|', sizeof fromhost);
1275                         extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
1276                         extract_token(flags, buf, 7, '|', sizeof flags);
1277
1278                         idletime = timenow - extract_long(buf, 5);
1279                         idlehours = idletime / 3600;
1280                         idlemins = (idletime - (idlehours * 3600)) / 60;
1281                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
1282
1283                         if (idletime > rc_idle_threshold) {
1284                                 if (skipidle) {
1285                                         isidle = 1;
1286                                 }
1287                         }
1288
1289                         if (longlist) {
1290                                 extract_token(actual_user, buf, 8, '|', sizeof actual_user);
1291                                 extract_token(actual_room, buf, 9, '|', sizeof actual_room);
1292                                 extract_token(actual_host, buf, 10, '|', sizeof actual_host);
1293
1294                                 pprintf("  Flags: %s\n", flags);
1295                                 pprintf("Session: %d\n", extract_int(buf, 0));
1296                                 pprintf("   Name: %s\n", username);
1297                                 pprintf("In room: %s\n", roomname);
1298                                 pprintf("   Host: %s\n", fromhost);
1299                                 pprintf(" Client: %s\n", clientsoft);
1300                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
1301                                         (long) idlehours,
1302                                         (long) idlemins,
1303                                         (long) idlesecs);
1304
1305                                 if ( (!IsEmptyStr(actual_user)&&
1306                                       !IsEmptyStr(actual_room)&&
1307                                       !IsEmptyStr(actual_host))) {
1308                                         pprintf("(really ");
1309                                         if (!IsEmptyStr(actual_user)) pprintf("<%s> ", actual_user);
1310                                         if (!IsEmptyStr(actual_room)) pprintf("in <%s> ", actual_room);
1311                                         if (!IsEmptyStr(actual_host)) pprintf("from <%s> ", actual_host);
1312                                         pprintf(")\n");
1313                                 }
1314                                 pprintf("\n");
1315
1316                         } else {
1317                                 if (isidle == 0) {
1318                                         if (extract_int(buf, 0) == last_session) {
1319                                                 pprintf("        ");
1320                                         }
1321                                         else {
1322                                                 color(BRIGHT_MAGENTA);
1323                                                 pprintf("%-3s", flags);
1324                                         }
1325                                         last_session = extract_int(buf, 0);
1326                                         color(BRIGHT_CYAN);
1327                                         pprintf("%-25s ", username);
1328                                         color(BRIGHT_MAGENTA);
1329                                         roomname[20] = 0;
1330                                         pprintf("%-20s", roomname);
1331
1332                                         if (screenwidth >= 80) {
1333                                                 pprintf(" ");
1334                                                 if (idletime > rc_idle_threshold) {
1335                                                         /* over 1000d, must be gone fishing */
1336                                                         if (idlehours > 23999) {
1337                                                                 pprintf("fish");
1338                                                         /* over 10 days */
1339                                                         } else if (idlehours > 239) {
1340                                                                 pprintf("%3ldd", idlehours / 24);
1341                                                         /* over 10 hours */
1342                                                         } else if (idlehours > 9) {
1343                                                                 pprintf("%1ldd%02ld",
1344                                                                         idlehours / 24,
1345                                                                         idlehours % 24);
1346                                                         /* less than 10 hours */
1347                                                         }
1348                                                         else {
1349                                                                 pprintf("%1ld:%02ld", idlehours, idlemins);
1350                                                         }
1351                                                 }
1352                                                 else {
1353                                                         pprintf("    ");
1354                                                 }
1355                                                 pprintf(" ");
1356                                                 color(BRIGHT_CYAN);
1357                                                 fromhost[24] = '\0';
1358                                                 pprintf("%-24s", fromhost);
1359                                         }
1360                                         pprintf("\n");
1361                                         color(DIM_WHITE);
1362                                 }
1363                         }
1364                 }
1365         }
1366         free(listing);
1367 }
1368
1369 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
1370 {
1371         char bbb[128];
1372         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
1373         newprompt(bbb, buf, maxlen);
1374 }
1375
1376
1377
1378 int shift(int argc, char **argv, int start, int count) {
1379         int i;
1380
1381         for (i=start; i<(argc-count); ++i) {
1382                 argv[i] = argv[i+count];
1383         }
1384         argc = argc - count;
1385         return argc;
1386 }
1387
1388 static void statusHook(char *s) {
1389         sln_printf(s);
1390         sln_flush();
1391 }
1392
1393 /*
1394  * main
1395  */
1396 int main(int argc, char **argv)
1397 {
1398         int a, b, mcmd;
1399         char aaa[100], bbb[100];/* general purpose variables */
1400         char argbuf[64];        /* command line buf */
1401         char nonce[NONCE_SIZE];
1402         char *telnet_client_host = NULL;
1403         char *sptr, *sptr2;     /* USed to extract the nonce */
1404         char hexstring[MD5_HEXSTRING_SIZE];
1405         int stored_password = 0;
1406         char password[SIZ];
1407         struct ctdlipcmisc chek;
1408         struct ctdluser *myself = NULL;
1409         CtdlIPC* ipc;                   /* Our server connection */
1410         int r;                          /* IPC result code */
1411
1412         int relh=0;
1413         int home=0;
1414         char relhome[PATH_MAX]="";
1415         char ctdldir[PATH_MAX]=CTDLDIR;
1416     int lp;
1417 #ifdef HAVE_BACKTRACE
1418         eCrashParameters params;
1419 //      eCrashSymbolTable symbol_table;
1420 #endif
1421         calc_dirs_n_files(relh, home, relhome, ctdldir, 0);
1422
1423 #ifdef HAVE_BACKTRACE
1424         bzero(&params, sizeof(params));
1425         params.filename = file_pid_paniclog;
1426 //      panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
1427         params.filep = fopen(file_pid_paniclog, "a+");
1428         params.debugLevel = ECRASH_DEBUG_VERBOSE;
1429         params.dumpAllThreads = TRUE;
1430         params.useBacktraceSymbols = 1;
1431 ///     BuildSymbolTable(&symbol_table);
1432 //      params.symbolTable = &symbol_table;
1433         params.signals[0]=SIGSEGV;
1434         params.signals[1]=SIGILL;
1435         params.signals[2]=SIGBUS;
1436         params.signals[3]=SIGABRT;
1437
1438         eCrash_Init(&params);
1439 #endif
1440         setIPCDeathHook(screen_delete);
1441         setIPCErrorPrintf(err_printf);
1442         setCryptoStatusHook(statusHook);
1443
1444         /* Permissions sanity check - don't run citadel setuid/setgid */
1445         if (getuid() != geteuid()) {
1446                 err_printf("Please do not run citadel setuid!\n");
1447                 logoff(NULL, 3);
1448         } else if (getgid() != getegid()) {
1449                 err_printf("Please do not run citadel setgid!\n");
1450                 logoff(NULL, 3);
1451         }
1452
1453         stty_ctdl(SB_SAVE);     /* Store the old terminal parameters */
1454         load_command_set();     /* parse the citadel.rc file */
1455         stty_ctdl(SB_NO_INTR);  /* Install the new ones */
1456         /* signal(SIGHUP, dropcarr);FIXME */    /* Cleanup gracefully if carrier is dropped */
1457         signal(SIGPIPE, dropcarr);      /* Cleanup gracefully if local conn. dropped */
1458         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
1459         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1460 #ifdef SIGWINCH
1461         signal(SIGWINCH, scr_winch);    /* Window resize signal */
1462 #endif
1463
1464 #ifdef HAVE_OPENSSL
1465         arg_encrypt = RC_DEFAULT;
1466 #endif
1467 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1468         arg_screen = RC_DEFAULT;
1469 #endif
1470
1471         /*
1472          * Handle command line options as if we were called like /bin/login
1473          * (i.e. from in.telnetd)
1474          */
1475         for (a=0; a<argc; ++a) {
1476                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1477                         telnet_client_host = argv[a+1];
1478                         argc = shift(argc, argv, a, 2);
1479                 }
1480                 if (!strcmp(argv[a], "-x")) {
1481 #ifdef HAVE_OPENSSL
1482                         arg_encrypt = RC_NO;
1483 #endif
1484                         argc = shift(argc, argv, a, 1);
1485                 }
1486                 if (!strcmp(argv[a], "-X")) {
1487 #ifdef HAVE_OPENSSL
1488                         arg_encrypt = RC_YES;
1489                         argc = shift(argc, argv, a, 1);
1490 #else
1491                         fprintf(stderr, "Not compiled with encryption support");
1492                         return 1;
1493 #endif
1494                 }
1495                 if (!strcmp(argv[a], "-s")) {
1496 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1497                         arg_screen = RC_NO;
1498 #endif
1499                         argc = shift(argc, argv, a, 1);
1500                 }
1501                 if (!strcmp(argv[a], "-S")) {
1502 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1503                         arg_screen = RC_YES;
1504 #endif
1505                         argc = shift(argc, argv, a, 1);
1506                 }
1507                 if (!strcmp(argv[a], "-p")) {
1508                         struct stat st;
1509
1510                         if (chdir(CTDLDIR) < 0) {
1511                                 perror("can't change to " CTDLDIR);
1512                                 logoff(NULL, 3);
1513                         }
1514
1515                         /*
1516                          * Drop privileges if necessary. We stat
1517                          * citadel.config to get the uid/gid since it's
1518                          * guaranteed to have the uid/gid we want.
1519                          */
1520                         if (!getuid() || !getgid()) {
1521                                 if (stat(file_citadel_config, &st) < 0) {
1522                                         perror("couldn't stat citadel.config");
1523                                         logoff(NULL, 3);
1524                                 }
1525                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1526                                         perror("couldn't change gid");
1527                                         logoff(NULL, 3);
1528                                 }
1529                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1530                                         perror("couldn't change uid");
1531                                         logoff(NULL, 3);
1532                                 }
1533                                 /*
1534                                   scr_printf("Privileges changed to uid %d gid %d\n",
1535                                   getuid(), getgid());
1536                                 */
1537                         }
1538                         argc = shift(argc, argv, a, 1);
1539                 }
1540         }
1541
1542
1543         screen_new();
1544
1545 #ifdef __CYGWIN__
1546         newprompt("Connect to (return for local server): ", hostbuf, 64);
1547 #endif
1548
1549         sln_printf("Attaching to server... \r");
1550         sln_flush();
1551         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1552         if (!ipc) {
1553                 screen_delete();
1554                 error_printf("Can't connect: %s\n", strerror(errno));
1555                 logoff(NULL, 3);
1556         }
1557 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1558         CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1559 #endif
1560         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1561
1562         CtdlIPC_chat_recv(ipc, aaa);
1563         if (aaa[0] != '2') {
1564                 scr_printf("%s\n", &aaa[4]);
1565                 logoff(ipc, atoi(aaa));
1566         }
1567
1568         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1569          * is zeroized.
1570          */
1571
1572         if ((sptr = strchr(aaa, '<')) == NULL)
1573                 {
1574                         nonce[0] = '\0';
1575                 }
1576         else
1577                 {
1578                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1579                                 {
1580                                         nonce[0] = '\0';
1581                                 }
1582                         else
1583                                 {
1584                                         sptr2++;
1585                                         *sptr2 = '\0';
1586                                         strncpy(nonce, sptr, (size_t)NONCE_SIZE);
1587                                 }
1588                 }
1589
1590 #ifdef HAVE_OPENSSL
1591         /* Evaluate encryption preferences */
1592         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1593                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1594                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1595                         if (!secure)
1596                                 error_printf("Can't encrypt: %s\n", aaa);
1597                 }
1598         }
1599 #endif
1600
1601         get_serv_info(ipc, telnet_client_host);
1602         scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
1603                    ipc->ServInfo.site_location);
1604         scr_flush();
1605
1606         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location, NULL,
1607                     secure, -1);
1608
1609         screenwidth = 80;       /* default screen dimensions */
1610         screenheight = 24;
1611
1612         scr_printf(" pause    next    stop\n");
1613         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1614         formout(ipc, "hello");  /* print the opening greeting */
1615         scr_printf("\n");
1616
1617  GSTA:  /* See if we have a username and password on disk */
1618         if (rc_remember_passwords) {
1619                 get_stored_password(hostbuf, portbuf, fullname, password);
1620                 if (!IsEmptyStr(fullname)) {
1621                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1622                         if (r / 100 == 3) {
1623                                 if (*nonce) {
1624                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1625                                 } else {
1626                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1627                                 }
1628                         }
1629
1630                         if (r / 100 == 2) {
1631                                 load_user_info(aaa);
1632                                 stored_password = 1;
1633                                 goto PWOK;
1634                         } else {
1635                                 set_stored_password(hostbuf, portbuf, "", "");
1636                         }
1637                 }
1638         }
1639
1640         termn8 = 0;
1641         newnow = 0;
1642         do {
1643                 if (!IsEmptyStr(rc_username)) {
1644                         strcpy(fullname, rc_username);
1645                 } else {
1646                         newprompt("Enter your name: ", fullname, 29);
1647                 }
1648                 strproc(fullname);
1649                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1650                         scr_printf("Please enter the name you wish to log in with.\n");
1651                 }
1652         } while (
1653                  (!strcasecmp(fullname, "bbs"))
1654                  || (!strcasecmp(fullname, "new"))
1655                  || (IsEmptyStr(fullname)));
1656
1657         if (!strcasecmp(fullname, "off")) {
1658                 mcmd = 29;
1659                 goto TERMN8;
1660         }
1661         /* sign on to the server */
1662         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1663         if (r / 100 != 3)
1664                 goto NEWUSR;
1665
1666         /* password authentication */
1667         if (!IsEmptyStr(rc_password)) {
1668                 strcpy(password, rc_password);
1669         } else {
1670                 newprompt("\rPlease enter your password: ", password, -19);
1671         }
1672         strproc(password);
1673
1674         if (*nonce) {
1675                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1676         } else {
1677                 r = CtdlIPCTryPassword(ipc, password, aaa);
1678         }
1679
1680         if (r / 100 == 2) {
1681                 load_user_info(aaa);
1682                 offer_to_remember_password(ipc, hostbuf, portbuf,
1683                                            fullname, password);
1684                 goto PWOK;
1685         }
1686         scr_printf("<< wrong password >>\n");
1687         if (!IsEmptyStr(rc_password))
1688                 logoff(ipc, 2);
1689         goto GSTA;
1690
1691 NEWUSR: if (IsEmptyStr(rc_password)) {
1692                 scr_printf("'%s' not found.\n", fullname);
1693                 scr_printf("Type 'off' if you would like to exit.\n");
1694                 if (ipc->ServInfo.newuser_disabled == 1) {
1695                         goto GSTA;
1696                 }
1697                 scr_printf("Do you want to create a new user account called '%s'? ",
1698                         fullname);
1699                 if (yesno() == 0) {
1700                         goto GSTA;
1701                 }
1702         }
1703
1704         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1705         if (r / 100 != 2) {
1706                 scr_printf("%s\n", aaa);
1707                 goto GSTA;
1708         }
1709         load_user_info(aaa);
1710
1711         while (set_password(ipc) != 0);
1712         newnow = 1;
1713
1714         enter_config(ipc, 1);
1715
1716  PWOK:
1717         /* Switch color support on or off if we're in user mode */
1718         if (rc_ansi_color == 3) {
1719                 if (userflags & US_COLOR)
1720                         enable_color = 1;
1721                 else
1722                         enable_color = 0;
1723         }
1724
1725         color(BRIGHT_WHITE);
1726         scr_printf("\n%s\nAccess level: %d (%s)\n"
1727                    "User #%ld / Login #%d",
1728                    fullname, axlevel, axdefs[(int) axlevel],
1729                    usernum, timescalled);
1730         if (lastcall > 0L) {
1731                 scr_printf(" / Last login: %s",
1732                            asctime(localtime(&lastcall)));
1733         }
1734         scr_printf("\n");
1735
1736         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1737         if (r / 100 == 2) {
1738                 b = chek.newmail;
1739                 if (b > 0) {
1740                         color(BRIGHT_RED);
1741                         if (b == 1)
1742                                 scr_printf("*** You have a new private message in Mail>\n");
1743                         if (b > 1)
1744                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1745                         color(DIM_WHITE);
1746                         if (!IsEmptyStr(rc_gotmail_cmd)) {
1747                                 system(rc_gotmail_cmd);
1748                         }
1749                 }
1750                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1751                         scr_printf("*** Users need validation\n");
1752                 }
1753                 if (chek.needregis > 0) {
1754                         scr_printf("*** Please register.\n");
1755                         formout(ipc, "register");
1756                         entregis(ipc);
1757                 }
1758         }
1759         /* Make up some temporary filenames for use in various parts of the
1760          * program.  Don't mess with these once they've been set, because we
1761          * will be unlinking them later on in the program and we don't
1762          * want to delete something that we didn't create. */
1763         CtdlMakeTempFileName(temp, sizeof temp);
1764         CtdlMakeTempFileName(temp2, sizeof temp2);
1765         CtdlMakeTempFileName(tempdir, sizeof tempdir);
1766
1767         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1768          * we try to get the user's actual screen dimensions off the server.
1769          * However, if we're running on an xterm, all this stuff is
1770          * irrelevant because we're going to dynamically size the screen
1771          * during the session.
1772          */
1773         screenwidth = 80;
1774         screenheight = 24;
1775         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1776         if (r == 2) {
1777                 screenwidth = myself->USscreenwidth;
1778                 screenheight = myself->USscreenheight;
1779         }
1780         if (getenv("TERM") != NULL)
1781                 if (!strcmp(getenv("TERM"), "xterm")) {
1782                         have_xterm = 1;
1783                 }
1784 #ifdef TIOCGWINSZ
1785         check_screen_dims();
1786 #endif
1787
1788         set_floor_mode(ipc);
1789
1790         /* Enter the lobby */
1791         dotgoto(ipc, "_BASEROOM_", 1, 0);
1792
1793         /* Main loop for the system... user is logged in. */
1794     free(uglist[0]);
1795         uglistsize = 0;
1796
1797         if (newnow == 1)
1798                 readmsgs(ipc, LastMessages, ReadForward, 5);
1799         else
1800                 readmsgs(ipc, NewMessages, ReadForward, 0);
1801
1802         /* MAIN COMMAND LOOP */
1803         do {
1804                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1805
1806 #ifdef TIOCGWINSZ
1807                 check_screen_dims();            /* if xterm, get screen size */
1808 #endif
1809
1810                 if (termn8 == 0)
1811                         switch (mcmd) {
1812                         case 1:
1813                                 formout(ipc, "help");
1814                                 break;
1815                         case 4:
1816                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1817                                 break;
1818                         case 36:
1819                                 entmsg(ipc, 0, 1, 0);
1820                                 break;
1821                         case 46:
1822                                 entmsg(ipc, 0, 2, 0);
1823                                 break;
1824                         case 78:
1825                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 1);
1826                                 break;
1827                         case 5:                         /* <G>oto */
1828                                 updatels(ipc);
1829                                 gotonext(ipc);
1830                                 break;
1831                         case 47:                        /* <A>bandon */
1832                                 if (!rc_alt_semantics) {
1833                                         updatelsa(ipc);
1834                                 }
1835                                 gotonext(ipc);
1836                                 break;
1837                         case 90:                        /* <.A>bandon */
1838                                 if (!rc_alt_semantics)
1839                                         updatelsa(ipc);
1840                                 dotgoto(ipc, argbuf, 0, 0);
1841                                 break;
1842                         case 58:                        /* <M>ail */
1843                                 updatelsa(ipc);
1844                                 dotgoto(ipc, "_MAIL_", 1, 0);
1845                                 break;
1846                         case 20:
1847                                 if (!IsEmptyStr(argbuf)) {
1848                                         updatels(ipc);
1849                                         dotgoto(ipc, argbuf, 0, 0);
1850                                 }
1851                                 break;
1852                         case 52:
1853                                 if (!IsEmptyStr(argbuf)) {
1854                                         if (rc_alt_semantics) {
1855                                                 updatelsa(ipc);
1856                                         }
1857                                         dotgoto(ipc, argbuf, 0, 0);
1858                                 }
1859                                 break;
1860                         case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
1861                                 dotungoto(ipc, argbuf);
1862                                 break;
1863                         case 10:
1864                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1865                                 break;
1866                         case 9:
1867                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1868                                 break;
1869                         case 13:
1870                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1871                                 break;
1872                         case 11:
1873                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1874                                 break;
1875                         case 12:
1876                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1877                                 break;
1878                         case 71:
1879                                 readmsgs(ipc, LastMessages, ReadForward,
1880                                                 atoi(argbuf));
1881                                 break;
1882                         case 7:
1883                                 forget(ipc);
1884                                 break;
1885                         case 18:
1886                                 subshell();
1887                                 break;
1888                         case 38:
1889                                 updatels(ipc);
1890                                 entroom(ipc);
1891                                 break;
1892                         case 22:
1893                                 killroom(ipc);
1894                                 break;
1895                         case 32:
1896                                 userlist(ipc, argbuf);
1897                                 break;
1898                         case 27:
1899                                 invite(ipc);
1900                                 break;
1901                         case 28:
1902                                 kickout(ipc);
1903                                 break;
1904                         case 23:
1905                                 editthisroom(ipc);
1906                                 break;
1907                         case 14:
1908                                 roomdir(ipc);
1909                                 break;
1910                         case 33:
1911                                 download(ipc, 0);
1912                                 break;
1913                         case 34:
1914                                 download(ipc, 1);
1915                                 break;
1916                         case 31:
1917                                 download(ipc, 2);
1918                                 break;
1919                         case 43:
1920                                 download(ipc, 3);
1921                                 break;
1922                         case 45:
1923                                 download(ipc, 4);
1924                                 break;
1925                         case 55:
1926                                 download(ipc, 5);
1927                                 break;
1928                         case 39:
1929                                 upload(ipc, 0);
1930                                 break;
1931                         case 40:
1932                                 upload(ipc, 1);
1933                                 break;
1934                         case 42:
1935                                 upload(ipc, 2);
1936                                 break;
1937                         case 44:
1938                                 upload(ipc, 3);
1939                                 break;
1940                         case 57:
1941                                 cli_upload(ipc);
1942                                 break;
1943                         case 16:
1944                                 ungoto(ipc);
1945                                 break;
1946                         case 24:
1947                                 whoknows(ipc);
1948                                 break;
1949                         case 26:
1950                                 validate(ipc);
1951                                 break;
1952                         case 29:
1953                         case 30:
1954                                 if (!rc_alt_semantics) {
1955                                         updatels(ipc);
1956                                 }
1957                                 termn8 = 1;
1958                                 break;
1959                         case 48:
1960                                 enterinfo(ipc);
1961                                 break;
1962                         case 49:
1963                                 readinfo(ipc);
1964                                 break;
1965                         case 72:
1966                                 cli_image_upload(ipc, "_userpic_");
1967                                 break;
1968                         case 73:
1969                                 cli_image_upload(ipc, "_roompic_");
1970                                 break;
1971
1972                         case 74:
1973                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1974                                 cli_image_upload(ipc, aaa);
1975                                 break;
1976
1977                         case 75:
1978                                 enternew(ipc, "roomname", aaa, 20);
1979                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1980                                 if (r / 100 != 2)
1981                                         scr_printf("\n%s\n", bbb);
1982                                 break;
1983                         case 76:
1984                                 enternew(ipc, "hostname", aaa, 25);
1985                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1986                                 if (r / 100 != 2)
1987                                         scr_printf("\n%s\n", bbb);
1988                                 break;
1989                         case 77:
1990                                 enternew(ipc, "username", aaa, 32);
1991                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
1992                                 if (r / 100 != 2)
1993                                         scr_printf("\n%s\n", bbb);
1994                                 break;
1995
1996                         case 35:
1997                                 set_password(ipc);
1998                                 break;
1999
2000                         case 21:
2001                                 if (argbuf[0] == 0)
2002                                         strcpy(aaa, "?");
2003                                 display_help(ipc, argbuf);
2004                                 break;
2005
2006                         case 41:
2007                                 formout(ipc, "register");
2008                                 entregis(ipc);
2009                                 break;
2010
2011                         case 15:
2012                                 scr_printf("Are you sure (y/n)? ");
2013                                 if (yesno() == 1) {
2014                                         if (!rc_alt_semantics)
2015                                                 updatels(ipc);
2016                                         a = 0;
2017                                         termn8 = 1;
2018                                 }
2019                                 break;
2020
2021                         case 85:
2022                                 scr_printf("All users will be disconnected!  "
2023                                            "Really terminate the server? ");
2024                                 if (yesno() == 1) {
2025                                         if (!rc_alt_semantics)
2026                                                 updatels(ipc);
2027                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
2028                                         scr_printf("%s\n", aaa);
2029                                         if (r / 100 == 2) {
2030                                                 a = 0;
2031                                                 termn8 = 1;
2032                                         }
2033                                 }
2034                                 break;
2035
2036                         case 86:
2037                                 scr_printf("Do you really want to schedule a "
2038                                            "server shutdown? ");
2039                                 if (yesno() == 1) {
2040                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
2041                                         if (r / 100 == 2) {
2042                                                 if (atoi(aaa)) {
2043                                                         scr_printf(
2044                                                                    "The Citadel server will terminate when all users are logged off.\n"
2045                                                                    );
2046                                                 } else {
2047                                                         scr_printf(
2048                                                                    "The Citadel server will not terminate.\n"
2049                                                                    );
2050                                                 }
2051                                         }
2052                                 }
2053                                 break;
2054
2055                         case 87:
2056                                 network_config_management(ipc, "listrecp",
2057                                                           "Message-by-message mailing list recipients");
2058                                 break;
2059
2060                         case 94:
2061                                 network_config_management(ipc, "digestrecp",
2062                                                           "Digest mailing list recipients");
2063                                 break;
2064
2065                         case 89:
2066                                 network_config_management(ipc, "ignet_push_share",
2067                                                           "Nodes with which we share this room");
2068                                 break;
2069
2070                         case 88:
2071                                 do_ignet_configuration(ipc);
2072                                 break;
2073
2074                         case 92:
2075                                 do_filterlist_configuration(ipc);
2076                                 break;
2077
2078                         case 6:
2079                                 if (rc_alt_semantics) {
2080                                         updatelsa(ipc);
2081                                 }
2082                                 gotonext(ipc);
2083                                 break;
2084
2085                         case 3:
2086                                 chatmode(ipc);
2087                                 break;
2088
2089                         case 2:
2090                                 if (ipc->isLocal) {
2091                                         screen_reset();
2092                                         stty_ctdl(SB_RESTORE);
2093                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
2094                                                  "exec ./subsystem %ld %d %d", fullname,
2095                                                  usernum, screenwidth, axlevel);
2096                                         ka_system(aaa);
2097                                         stty_ctdl(SB_NO_INTR);
2098                                         screen_set();
2099                                 } else {
2100                                         scr_printf("*** Can't run doors when server is not local.\n");
2101                                 }
2102                                 break;
2103
2104                         case 17:
2105                                 who_is_online(ipc, 0);
2106                                 break;
2107
2108                         case 79:
2109                                 who_is_online(ipc, 1);
2110                                 break;
2111
2112                         case 91:
2113                                 who_is_online(ipc, 2);
2114                                 break;
2115
2116                         case 80:
2117                                 do_system_configuration(ipc);
2118                                 break;
2119
2120                         case 82:
2121                                 do_internet_configuration(ipc);
2122                                 break;
2123
2124                         case 83:
2125                                 check_message_base(ipc);
2126                                 break;
2127
2128                         case 84:
2129                                 quiet_mode(ipc);
2130                                 break;
2131
2132                         case 93:
2133                                 stealth_mode(ipc);
2134                                 break;
2135
2136                         case 50:
2137                                 enter_config(ipc, 2);
2138                                 break;
2139
2140                         case 37:
2141                                 enter_config(ipc, 0);
2142                                 set_floor_mode(ipc);
2143                                 break;
2144
2145                         case 59:
2146                                 enter_config(ipc, 3);
2147                                 set_floor_mode(ipc);
2148                                 break;
2149
2150                         case 60:
2151                                 gotofloor(ipc, argbuf, GF_GOTO);
2152                                 break;
2153
2154                         case 61:
2155                                 gotofloor(ipc, argbuf, GF_SKIP);
2156                                 break;
2157
2158                         case 62:
2159                                 forget_this_floor(ipc);
2160                                 break;
2161
2162                         case 63:
2163                                 create_floor(ipc);
2164                                 break;
2165
2166                         case 64:
2167                                 edit_floor(ipc);
2168                                 break;
2169
2170                         case 65:
2171                                 kill_floor(ipc);
2172                                 break;
2173
2174                         case 66:
2175                                 enter_bio(ipc);
2176                                 break;
2177
2178                         case 67:
2179                                 read_bio(ipc);
2180                                 break;
2181
2182                         case 25:
2183                                 edituser(ipc, 25);
2184                                 break;
2185
2186                         case 96:
2187                                 edituser(ipc, 96);
2188                                 break;
2189
2190                         case 8:
2191                                 knrooms(ipc, floor_mode);
2192                                 scr_printf("\n");
2193                                 break;
2194
2195                         case 68:
2196                                 knrooms(ipc, 2);
2197                                 scr_printf("\n");
2198                                 break;
2199
2200                         case 69:
2201                                 misc_server_cmd(ipc, argbuf);
2202                                 break;
2203
2204                         case 70:
2205                                 edit_system_message(ipc, argbuf);
2206                                 break;
2207
2208                         case 19:
2209                                 listzrooms(ipc);
2210                                 scr_printf("\n");
2211                                 break;
2212
2213                         case 51:
2214                                 deletefile(ipc);
2215                                 break;
2216
2217                         case 53:
2218                                 netsendfile(ipc);
2219                                 break;
2220
2221                         case 54:
2222                                 movefile(ipc);
2223                                 break;
2224
2225                         case 56:
2226                                 page_user(ipc);
2227                                 break;
2228
2229             case 110:           /* <+> Next room */
2230                                  gotoroomstep(ipc, 1, 0);
2231                              break;
2232
2233             case 111:           /* <-> Previous room */
2234                  gotoroomstep(ipc, 0, 0);
2235                              break;
2236
2237                         case 112:           /* <>> Next floor */
2238                  gotofloorstep(ipc, 1, GF_GOTO);
2239                              break;
2240
2241                         case 113:           /* <<> Previous floor */
2242                  gotofloorstep(ipc, 0, GF_GOTO);
2243                                  break;
2244
2245             case 116:           /* <.> skip to <+> Next room */
2246                  gotoroomstep(ipc, 1, 1);
2247                              break;
2248
2249             case 117:           /* <.> skip to <-> Previous room */
2250                  gotoroomstep(ipc, 0, 1);
2251                              break;
2252
2253                         case 118:           /* <.> skip to <>> Next floor */
2254                  gotofloorstep(ipc, 1, GF_SKIP);
2255                              break;
2256
2257                         case 119:           /* <.> skip to <<> Previous floor */
2258                  gotofloorstep(ipc, 0, GF_SKIP);
2259                                  break;
2260
2261                         case 114:
2262                  read_config(ipc);
2263                                  break;
2264
2265                         case 115:
2266                  system_info(ipc);
2267                                  break;
2268
2269                         case 120:           /* .KAnonymous */
2270                          dotknown(ipc, 0, NULL);
2271                                  break;
2272
2273                         case 121:           /* .KDirectory */
2274                          dotknown(ipc, 1, NULL);
2275                                  break;
2276
2277                         case 122:           /* .KMatch */
2278                          dotknown(ipc, 2, argbuf);
2279                                  break;
2280
2281                         case 123:           /* .KpreferredOnly */
2282                          dotknown(ipc, 3, NULL);
2283                                  break;
2284
2285                         case 124:           /* .KPrivate */
2286                          dotknown(ipc, 4, NULL);
2287                                  break;
2288
2289                         case 125:           /* .KRead only */
2290                          dotknown(ipc, 5, NULL);
2291                                  break;
2292
2293                         case 126:           /* .KShared */
2294                          dotknown(ipc, 6, NULL);
2295                                  break;
2296
2297                         case 127:           /* Configure POP3 aggregation */
2298                                 do_pop3client_configuration(ipc);
2299                                 break;
2300
2301                         case 128:           /* Configure XML/RSS feed retrieval */
2302                                 do_rssclient_configuration(ipc);
2303                                 break;
2304
2305                         default: /* allow some math on the command */
2306                                 /* commands 100... to 100+MAX_EDITORS-1 will
2307                                    call the appropriate editor... in other
2308                                    words, command numbers 100+ will match
2309                                    the citadel.rc keys editor0, editor1, etc.*/
2310                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
2311                                 {
2312                                         /* entmsg mode >=2 select editor */
2313                                         entmsg(ipc, 0, mcmd - 100 + 2, 0);
2314                                         break;
2315                                 }
2316                         }       /* end switch */
2317         } while (termn8 == 0);
2318
2319 TERMN8: scr_printf("%s logged out.", fullname);
2320         termn8 = 0;
2321         color(ORIGINAL_PAIR);
2322         scr_printf("\n");
2323         while (marchptr != NULL) {
2324                 remove_march(marchptr->march_name, 0);
2325         }
2326         if (mcmd == 30) {
2327                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
2328         }
2329         CtdlIPCLogout(ipc);
2330         if ((mcmd == 29) || (mcmd == 15)) {
2331                 screen_delete();
2332                 stty_ctdl(SB_RESTORE);
2333                 formout(ipc, "goodbye");
2334                 logoff(ipc, 0);
2335         }
2336         /* Free the ungoto list */
2337         for (lp = 0; lp < uglistsize; lp++) {
2338                 free(uglist[lp]);
2339         }
2340     uglistsize = 0;
2341         goto GSTA;
2342
2343 }       /* end main() */
2344