citadel/citadel.c

   1 /*
   2  * $Id$
   3  *
   4  * Main source module for the client program.
   5  */
   6
   7 #include "sysdep.h"
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10 #include <fcntl.h>
  11 #include <stdio.h>
  12 #include <ctype.h>
  13 #include <string.h>
  14
  15 #if TIME_WITH_SYS_TIME
  16 # include <sys/time.h>
  17 # include <time.h>
  18 #else
  19 # if HAVE_SYS_TIME_H
  20 #  include <sys/time.h>
  21 # else
  22 #  include <time.h>
  23 # endif
  24 #endif
  25
  26 #include <limits.h>
  27 #include <sys/types.h>
  28 #include <sys/wait.h>
  29 #include <sys/stat.h>
  30 #include <sys/ioctl.h>
  31 #include <signal.h>
  32 #include <pwd.h>
  33 #include <stdarg.h>
  34 #include <errno.h>
  35
  36 #include "citadel.h"
  37 #include "citadel_ipc.h"
  38 #include "axdefs.h"
  39 #include "routines.h"
  40 #include "routines2.h"
  41 #include "rooms.h"
  42 #include "messages.h"
  43 #include "commands.h"
  44 #include "client_chat.h"
  45 #include "client_passwords.h"
  46 #include "citadel_decls.h"
  47 #include "tools.h"
  48 #include "acconfig.h"
  49 #ifndef HAVE_SNPRINTF
  50 #include "snprintf.h"
  51 #endif
  52 #include "screen.h"
  53 #include "citadel_dirs.h"
  54
  55 #include "md5.h"
  56
  57 #define IFEXPERT if (userflags&US_EXPERT)
  58 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  59 #define IFAIDE if (axlevel>=6)
  60 #define IFNAIDE if (axlevel<6)
  61
  62 int rordercmp(struct ctdlroomlisting *r1, struct ctdlroomlisting *r2);
  63
  64 struct march *march = NULL;
  65
  66 /* globals associated with the client program */
  67 char temp[PATH_MAX];            /* Name of general-purpose temp file */
  68 char temp2[PATH_MAX];           /* Name of general-purpose temp file */
  69 char tempdir[PATH_MAX];         /* Name of general-purpose temp directory */
  70 char editor_paths[MAX_EDITORS][SIZ];    /* paths to external editors */
  71 char printcmd[SIZ];             /* print command */
  72 int editor_pid = (-1);
  73 char fullname[USERNAME_SIZE];
  74 int screenwidth;
  75 int screenheight;
  76 unsigned room_flags;
  77 char room_name[ROOMNAMELEN];
  78 char *uglist[UGLISTLEN]; /* size of the ungoto list */
  79 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
  80 int uglistsize = 0;
  81 char is_mail = 0;               /* nonzero when we're in a mail room */
  82 char axlevel = 0;               /* access level */
  83 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
  84 int timescalled;
  85 int posted;
  86 unsigned userflags;
  87 long usernum = 0L;              /* user number */
  88 time_t lastcall = 0L;           /* Date/time of previous login */
  89 char newnow;
  90 long highest_msg_read;          /* used for <A>bandon room cmd */
  91 long maxmsgnum;                 /* used for <G>oto */
  92 char sigcaught = 0;
  93 char have_xterm = 0;            /* are we running on an xterm? */
  94 char rc_username[USERNAME_SIZE];
  95 char rc_password[32];
  96 char hostbuf[SIZ];
  97 char portbuf[SIZ];
  98 char rc_floor_mode;
  99 char floor_mode;
 100 char curr_floor = 0;            /* number of current floor */
 101 char floorlist[128][SIZ];       /* names of floors */
 102 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
 103 int secure;                     /* Set to nonzero when wire is encrypted */
 104 int can_do_msg4 = 0;            /* Set to nonzero if the server can handle MSG4 commands */
 105
 106 extern char instant_msgs;       /* instant messages waiting! */
 107 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
 108 extern int next_lazy_cmd;
 109
 110 CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
 111
 112 /*
 113  * here is our 'clean up gracefully and exit' routine
 114  */
 115 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
 116 {
 117         int lp;
 118
 119         if (editor_pid > 0) {   /* kill the editor if it's running */
 120                 kill(editor_pid, SIGHUP);
 121         }
 122
 123         /* Free the ungoto list */
 124         for (lp = 0; lp < uglistsize; lp++) {
 125                 free(uglist[lp]);
 126         }
 127
 128 /* Shut down the server connection ... but not if the logoff code is 3,
 129  * because that means we're exiting because we already lost the server.
 130  */
 131         if (code != 3) {
 132                 CtdlIPCQuit(ipc);
 133         }
 134
 135 /*
 136  * now clean up various things
 137  */
 138         screen_delete();
 139
 140         unlink(temp);
 141         unlink(temp2);
 142         nukedir(tempdir);
 143
 144         /* Violently kill off any child processes if Citadel is
 145          * the login shell.
 146          */
 147         if (getppid() == 1) {
 148                 kill(0 - getpgrp(), SIGTERM);
 149                 sleep(1);
 150                 kill(0 - getpgrp(), SIGKILL);
 151         }
 152         color(ORIGINAL_PAIR);   /* Restore the old color settings */
 153         stty_ctdl(SB_RESTORE);  /* return the old terminal settings */
 154         /*
 155          * uncomment the following if you need to know why Citadel exited
 156         printf("*** Exit code %d at %s:%d\n", code, file, line);
 157         sleep(2);
 158          */
 159         exit(code);             /* exit with the proper exit code */
 160 }
 161
 162
 163
 164 /*
 165  * signal catching function for hangups...
 166  */
 167 void dropcarr(int signum)
 168 {
 169         logoff(NULL, 3);        /* No IPC when server's already gone! */
 170 }
 171
 172
 173
 174 /*
 175  * catch SIGCONT to reset terminal modes when were are put back into the
 176  * foreground.
 177  */
 178 void catch_sigcont(int signum)
 179 {
 180         stty_ctdl(SB_LAST);
 181         signal(SIGCONT, catch_sigcont);
 182 }
 183
 184
 185 /* general purpose routines */
 186
 187 /* display a file */
 188 void formout(CtdlIPC *ipc, char *name)
 189 {
 190         int r;                  /* IPC return code */
 191         char buf[SIZ];
 192         char *text = NULL;
 193
 194         r = CtdlIPCSystemMessage(ipc, name, &text, buf);
 195         if (r / 100 != 1) {
 196                 scr_printf("%s\n", buf);
 197                 return;
 198         }
 199         if (text) {
 200                 fmout(screenwidth, NULL, text, NULL,
 201                       ((userflags & US_PAGINATOR) ? 1 : 0),
 202                       screenheight, 1, 1);
 203                 free(text);
 204         }
 205 }
 206
 207
 208 void userlist(CtdlIPC *ipc, char *patn)
 209 {
 210         char buf[SIZ];
 211         char fl[SIZ];
 212         struct tm tmbuf;
 213         time_t lc;
 214         int r;                          /* IPC response code */
 215         char *listing = NULL;
 216
 217         r = CtdlIPCUserListing(ipc, patn, &listing, buf);
 218         if (r / 100 != 1) {
 219                 pprintf("%s\n", buf);
 220                 return;
 221         }
 222
 223         pprintf("       User Name           Num  L  LastCall  Calls Posts\n");
 224         pprintf("------------------------- ----- - ---------- ----- -----\n");
 225         if (listing != NULL) while (strlen(listing) > 0) {
 226                 extract_token(buf, listing, 0, '\n', sizeof buf);
 227                 remove_token(listing, 0, '\n');
 228
 229                 if (sigcaught == 0) {
 230                     extract_token(fl, buf, 0, '|', sizeof fl);
 231                     if (pattern(fl, patn) >= 0) {
 232                         pprintf("%-25s ", fl);
 233                         pprintf("%5ld %d ", extract_long(buf, 2),
 234                                extract_int(buf, 1));
 235                         lc = extract_long(buf, 3);
 236                         localtime_r(&lc, &tmbuf);
 237                         pprintf("%02d/%02d/%04d ",
 238                                (tmbuf.tm_mon + 1),
 239                                tmbuf.tm_mday,
 240                                (tmbuf.tm_year + 1900));
 241                         pprintf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
 242                     }
 243
 244                 }
 245         }
 246         free(listing);
 247         pprintf("\n");
 248 }
 249
 250
 251 /*
 252  * grab assorted info about the user...
 253  */
 254 void load_user_info(char *params)
 255 {
 256         extract_token(fullname, params, 0, '|', sizeof fullname);
 257         axlevel = extract_int(params, 1);
 258         timescalled = extract_int(params, 2);
 259         posted = extract_int(params, 3);
 260         userflags = extract_int(params, 4);
 261         usernum = extract_long(params, 5);
 262         lastcall = extract_long(params, 6);
 263 }
 264
 265
 266 /*
 267  * Remove a room from the march list.  'floornum' is ignored unless
 268  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 269  * floor will be removed from the march list.
 270  */
 271 void remove_march(char *roomname, int floornum)
 272 {
 273         struct march *mptr, *mptr2;
 274
 275         if (march == NULL)
 276                 return;
 277
 278         if ((!strcasecmp(march->march_name, roomname))
 279             || ((!strcasecmp(roomname, "_FLOOR_")) && (march->march_floor == floornum))) {
 280                 mptr = march->next;
 281                 free(march);
 282                 march = mptr;
 283                 return;
 284         }
 285         mptr2 = march;
 286         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 287
 288                 if ((!strcasecmp(mptr->march_name, roomname))
 289                     || ((!strcasecmp(roomname, "_FLOOR_"))
 290                         && (mptr->march_floor == floornum))) {
 291
 292                         mptr2->next = mptr->next;
 293                         free(mptr);
 294                         mptr = mptr2;
 295                 } else {
 296                         mptr2 = mptr;
 297                 }
 298         }
 299 }
 300
 301
 302 /*
 303  * Locate the room on the march list which we most want to go to.  Each room
 304  * is measured given a "weight" of preference based on various factors.
 305  */
 306 char *pop_march(int desired_floor, struct march *_march)
 307 {
 308         static char TheRoom[ROOMNAMELEN];
 309         int TheFloor = 0;
 310         int TheOrder = 32767;
 311         int TheWeight = 0;
 312         int weight;
 313         struct march *mptr = NULL;
 314
 315         strcpy(TheRoom, "_BASEROOM_");
 316         if (_march == NULL)
 317                 return (TheRoom);
 318
 319         for (mptr = _march; mptr != NULL; mptr = mptr->next) {
 320                 weight = 0;
 321                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 322                         weight = weight + 10000;
 323                 if (mptr->march_floor == desired_floor)
 324                         weight = weight + 5000;
 325
 326                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 327                 weight = weight + (128 - (mptr->march_order));
 328
 329                 if (weight > TheWeight) {
 330                         TheWeight = weight;
 331                         strcpy(TheRoom, mptr->march_name);
 332                         TheFloor = mptr->march_floor;
 333                         TheOrder = mptr->march_order;
 334                 }
 335         }
 336         return (TheRoom);
 337 }
 338
 339
 340 /*
 341  * jump directly to a room
 342  */
 343 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
 344 {
 345         char aaa[SIZ], bbb[SIZ];
 346         static long ls = 0L;
 347         int newmailcount = 0;
 348         int partial_match, best_match;
 349         char from_floor;
 350         int ugpos = uglistsize;
 351         int r;                          /* IPC result code */
 352         struct ctdlipcroom *room = NULL;
 353
 354         /* store ungoto information */
 355         if (fromungoto == 0) {
 356                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
 357                 if (uglistsize >= (UGLISTLEN-1)) {
 358                         int lp;
 359                         free (uglist[0]);
 360                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
 361                                 uglist[lp] = uglist[lp+1];
 362                                 uglistlsn[lp] = uglistlsn[lp+1];
 363                         }
 364                         ugpos--;
 365                 } else {
 366                         uglistsize++;
 367                 }
 368
 369                 uglist[ugpos] = malloc(strlen(room_name)+1);
 370                 strcpy(uglist[ugpos], room_name);
 371                 uglistlsn[ugpos] = ls;
 372         }
 373
 374         /* first try an exact match */
 375         r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
 376         if (r / 10 == 54) {
 377                 newprompt("Enter room password: ", bbb, 9);
 378                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
 379                 if (r / 10 == 54) {
 380                         scr_printf("Wrong password.\n");
 381                         return;
 382                 }
 383         }
 384
 385         /*
 386          * If a match is not found, try a partial match.
 387          * Partial matches anywhere in the string carry a weight of 1,
 388          * left-aligned matches carry a weight of 2.  Pick the room that
 389          * has the highest-weighted match.  Do not match on forgotten
 390          * rooms.
 391          */
 392         if (r / 100 != 2) {
 393                 struct march *march = NULL;
 394
 395                 best_match = 0;
 396                 strcpy(bbb, "");
 397
 398                 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
 399                 if (r / 100 == 1) {
 400                         /* Run the roomlist; free the data as we go */
 401                         struct march *mp = march;       /* Current */
 402
 403                         while (mp) {
 404                                 partial_match = 0;
 405                                 if (pattern(mp->march_name, towhere) >= 0) {
 406                                         partial_match = 1;
 407                                 }
 408                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
 409                                         partial_match = 2;
 410                                 }
 411                                 if (partial_match > best_match) {
 412                                         strcpy(bbb, mp->march_name);
 413                                         best_match = partial_match;
 414                                 }
 415                                 /* Both pointers are NULL at end of list */
 416                                 march = mp->next;
 417                                 free(mp);
 418                                 mp = march;
 419                         }
 420                 }
 421
 422                 if (strlen(bbb) == 0) {
 423                         scr_printf("No room '%s'.\n", towhere);
 424                         return;
 425                 }
 426                 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
 427         }
 428         if (r / 100 != 1 && r / 100 != 2) {
 429                 scr_printf("%s\n", aaa);
 430                 return;
 431         }
 432         safestrncpy(room_name, room->RRname, ROOMNAMELEN);
 433         room_flags = room->RRflags;
 434         from_floor = curr_floor;
 435         curr_floor = room->RRfloor;
 436
 437         remove_march(room_name, 0);
 438         if (!strcasecmp(towhere, "_BASEROOM_"))
 439                 remove_march(towhere, 0);
 440         if (!room->RRunread)
 441                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
 442         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 443                 if (floorlist[(int) curr_floor][0] == 0)
 444                         load_floorlist(ipc);
 445                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 446         }
 447         if (display_name == 1) {
 448                 color(BRIGHT_WHITE);
 449                 scr_printf("%s ", room_name);
 450                 color(DIM_WHITE);
 451                 scr_printf("- ");
 452         }
 453         if (display_name != 2) {
 454                 color(BRIGHT_YELLOW);
 455                 scr_printf("%d ", room->RRunread);
 456                 color(DIM_WHITE);
 457                 scr_printf("new of ");
 458                 color(BRIGHT_YELLOW);
 459                 scr_printf("%d ", room->RRtotal);
 460                 color(DIM_WHITE);
 461                 scr_printf("messages.\n");
 462         }
 463         highest_msg_read = room->RRlastread;
 464         maxmsgnum = room->RRhighest;
 465         is_mail = room->RRismailbox;
 466         is_room_aide = room->RRaide;
 467         ls = room->RRlastread;
 468
 469         /* read info file if necessary */
 470         if (room->RRinfoupdated > 0)
 471                 readinfo(ipc);
 472
 473         /* check for newly arrived mail if we can */
 474         newmailcount = room->RRnewmail;
 475         if (newmailcount > 0) {
 476                 color(BRIGHT_RED);
 477                 if (newmailcount == 1) {
 478                         scr_printf("*** A new mail message has arrived.\n");
 479                 }
 480                 else {
 481                         scr_printf("*** %d new mail messages have arrived.\n",
 482                                         newmailcount);
 483                 }
 484                 color(DIM_WHITE);
 485                 if (strlen(rc_gotmail_cmd) > 0) {
 486                         system(rc_gotmail_cmd);
 487                 }
 488         }
 489         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location,
 490                         room_name, secure, newmailcount);
 491         free(room);
 492 }
 493
 494 /* Goto next room having unread messages.
 495  * We want to skip over rooms that the user has already been to, and take the
 496  * user back to the lobby when done.  The room we end up in is placed in
 497  * newroom - which is set to 0 (the lobby) initially.
 498  */
 499 void gotonext(CtdlIPC *ipc)
 500 {
 501         char buf[SIZ];
 502         struct march *mptr, *mptr2;
 503         char next_room[ROOMNAMELEN];
 504         int r;                          /* IPC response code */
 505
 506         /* Check to see if the march-mode list is already allocated.
 507          * If it is, pop the first room off the list and go there.
 508          */
 509         if (march == NULL) {
 510                 r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
 511                                         AllFloors, &march, buf);
 512
 513 /* add _BASEROOM_ to the end of the march list, so the user will end up
 514  * in the system base room (usually the Lobby>) at the end of the loop
 515  */
 516                 mptr = (struct march *) malloc(sizeof(struct march));
 517                 mptr->next = NULL;
 518                 strcpy(mptr->march_name, "_BASEROOM_");
 519                 if (march == NULL) {
 520                         march = mptr;
 521                 } else {
 522                         mptr2 = march;
 523                         while (mptr2->next != NULL)
 524                                 mptr2 = mptr2->next;
 525                         mptr2->next = mptr;
 526                 }
 527 /*
 528  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 529  * walk around in circles
 530  */
 531                 remove_march(room_name, 0);
 532         }
 533         if (march != NULL) {
 534                 strcpy(next_room, pop_march(curr_floor, march));
 535         } else {
 536                 strcpy(next_room, "_BASEROOM_");
 537         }
 538         remove_march(next_room, 0);
 539         dotgoto(ipc, next_room, 1, 0);
 540 }
 541
 542 /*
 543  * forget all rooms on a given floor
 544  */
 545 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
 546 {
 547         char buf[SIZ];
 548         struct march *flist = NULL;
 549         struct march *fptr = NULL;
 550         struct ctdlipcroom *room = NULL;
 551         int r;                          /* IPC response code */
 552
 553         scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
 554         scr_flush();
 555         remove_march("_FLOOR_", ffloor);
 556         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
 557         if (r / 100 != 1) {
 558                 scr_printf("Error %d: %s\n", r, buf);
 559                 return;
 560         }
 561         while (flist) {
 562                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
 563                 if (r / 100 == 2) {
 564                         r = CtdlIPCForgetRoom(ipc, buf);
 565                         if (r / 100 != 2) {
 566                                 scr_printf("Error %d: %s\n", r, buf);
 567                         }
 568
 569                 }
 570                 fptr = flist;
 571                 flist = flist->next;
 572                 free(fptr);
 573         }
 574         if (room) free(room);
 575 }
 576
 577
 578 /*
 579  * routine called by gotofloor() to move to a new room on a new floor
 580  */
 581 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
 582 {
 583         int floor_being_left;
 584
 585         floor_being_left = curr_floor;
 586
 587         if (mode == GF_GOTO) {          /* <;G>oto mode */
 588                 updatels(ipc);
 589                 dotgoto(ipc, towhere, 1, 0);
 590         }
 591         else if (mode == GF_SKIP) {     /* <;S>kip mode */
 592                 dotgoto(ipc, towhere, 1, 0);
 593                 remove_march("_FLOOR_", floor_being_left);
 594         }
 595         else if (mode == GF_ZAP) {      /* <;Z>ap mode */
 596                 dotgoto(ipc, towhere, 1, 0);
 597                 remove_march("_FLOOR_", floor_being_left);
 598                 forget_all_rooms_on(ipc, floor_being_left);
 599         }
 600 }
 601
 602
 603 /*
 604  * go to a new floor
 605  */
 606 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
 607 {
 608         int a, tofloor;
 609         int r;          /* IPC response code */
 610         struct march *mptr;
 611         char buf[SIZ], targ[SIZ];
 612
 613         if (floorlist[0][0] == 0)
 614                 load_floorlist(ipc);
 615         tofloor = (-1);
 616         for (a = 0; a < 128; ++a)
 617                 if (!strcasecmp(&floorlist[a][0], towhere))
 618                         tofloor = a;
 619
 620         if (tofloor < 0) {
 621                 for (a = 0; a < 128; ++a) {
 622                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 623                                 tofloor = a;
 624                         }
 625                 }
 626         }
 627         if (tofloor < 0) {
 628                 for (a = 0; a < 128; ++a)
 629                         if (pattern(towhere, &floorlist[a][0]) > 0)
 630                                 tofloor = a;
 631         }
 632         if (tofloor < 0) {
 633                 scr_printf("No floor '%s'.\n", towhere);
 634                 return;
 635         }
 636         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 637                 if ((mptr->march_floor) == tofloor) {
 638                         gf_toroom(ipc, mptr->march_name, mode);
 639                         return;
 640                 }
 641         }
 642
 643         /* Find first known room on the floor */
 644
 645         strcpy(targ, "");
 646         mptr = NULL;
 647         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
 648         if (r / 100 == 1) {
 649                 struct march *tmp = mptr;
 650
 651                 /*. . . according to room order */
 652                 if (mptr)
 653             strcpy(targ, pop_march(tofloor, mptr));
 654                 while (mptr) {
 655                         tmp = mptr->next;
 656                         free(mptr);
 657                         mptr = tmp;
 658                 }
 659         }
 660         if (strlen(targ) > 0) {
 661                 gf_toroom(ipc, targ, mode);
 662                 return;
 663         }
 664
 665         /* No known rooms on the floor; unzap the first one then */
 666
 667         strcpy(targ, "");
 668         mptr = NULL;
 669         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
 670         if (r / 100 == 1) {
 671                 struct march *tmp = mptr;
 672
 673         /*. . . according to room order */
 674                 if (mptr)
 675                         strcpy(targ, pop_march(tofloor, mptr));
 676                 while (mptr) {
 677                         tmp = mptr->next;
 678                         free(mptr);
 679                         mptr = tmp;
 680                 }
 681         }
 682         if (strlen(targ) > 0) {
 683                 gf_toroom(ipc, targ, mode);
 684         } else {
 685                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 686         }
 687 }
 688
 689 /*
 690  * Indexing mechanism for a room list, called by gotoroomstep()
 691  */
 692 void room_tree_list_query(struct ctdlroomlisting *rp, char *findrmname, int findrmslot, char *rmname, int *rmslot, int *rmtotal)
 693 {
 694         char roomname[ROOMNAMELEN];
 695         static int cur_rmslot = 0;
 696
 697         if (rp == NULL) {
 698                 cur_rmslot = 0;
 699                 return;
 700         }
 701
 702         if (rp->lnext != NULL) {
 703                 room_tree_list_query(rp->lnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 704         }
 705
 706         if (sigcaught == 0) {
 707                 strcpy(roomname, rp->rlname);
 708
 709                 if (rmname != NULL) {
 710                         if (cur_rmslot == findrmslot) {
 711                                 strcpy(rmname, roomname);
 712                         }
 713                 }
 714                 if (rmslot != NULL) {
 715                         if (!strcmp(roomname, findrmname)) {
 716                                 *rmslot = cur_rmslot;
 717                         }
 718                 }
 719                 cur_rmslot++;
 720         }
 721
 722         if (rp->rnext != NULL) {
 723                 room_tree_list_query(rp->rnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 724         }
 725
 726         if ((rmname == NULL) && (rmslot == NULL))
 727                 free(rp);
 728
 729         if (rmtotal != NULL) {
 730                 *rmtotal = cur_rmslot;
 731         }
 732 }
 733
 734 /*
 735  * step through rooms on current floor
 736  */
 737 void  gotoroomstep(CtdlIPC *ipc, int direction, int mode)
 738 {
 739         struct march *listing = NULL;
 740         struct march *mptr;
 741         int r;          /* IPC response code */
 742         char buf[SIZ];
 743         struct ctdlroomlisting *rl = NULL;
 744         struct ctdlroomlisting *rp;
 745         struct ctdlroomlisting *rs;
 746         int list_it;
 747         char rmname[ROOMNAMELEN];
 748         int rmslot;
 749         int rmtotal;
 750
 751         /* Ask the server for a room list */
 752         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, (-1), &listing, buf);
 753         if (r / 100 != 1) {
 754                 listing = NULL;
 755         }
 756
 757         load_floorlist(ipc);
 758
 759         for (mptr = listing; mptr != NULL; mptr = mptr->next) {
 760                 list_it = 1;
 761
 762                 if ( floor_mode
 763                          && (mptr->march_floor != curr_floor))
 764                         list_it = 0;
 765
 766                 if (list_it) {
 767                         rp = malloc(sizeof(struct ctdlroomlisting));
 768                         strncpy(rp->rlname, mptr->march_name, ROOMNAMELEN);
 769                         rp->rlflags = mptr->march_flags;
 770                         rp->rlfloor = mptr->march_floor;
 771                         rp->rlorder = mptr->march_order;
 772                         rp->lnext = NULL;
 773                         rp->rnext = NULL;
 774
 775                         rs = rl;
 776                         if (rl == NULL) {
 777                                 rl = rp;
 778                         } else {
 779                                 while (rp != NULL) {
 780                                         if (rordercmp(rp, rs) < 0) {
 781                                                 if (rs->lnext == NULL) {
 782                                                         rs->lnext = rp;
 783                                                         rp = NULL;
 784                                                 } else {
 785                                                         rs = rs->lnext;
 786                                                 }
 787                                         } else {
 788                                                 if (rs->rnext == NULL) {
 789                                                         rs->rnext = rp;
 790                                                         rp = NULL;
 791                                                 } else {
 792                                                         rs = rs->rnext;
 793                                                 }
 794                                         }
 795                                 }
 796                         }
 797                 }
 798         }
 799
 800         /* Find position of current room */
 801         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 802         room_tree_list_query(rl,  room_name, 0, NULL, &rmslot, &rmtotal);
 803
 804         if (direction == 0) { /* Previous room */
 805                 /* If we're at the first room, wrap to the last room */
 806                 if (rmslot == 0) {
 807                         rmslot = rmtotal - 1;
 808                 } else {
 809                         rmslot--;
 810                 }
 811         } else {                 /* Next room */
 812                 /* If we're at the last room, wrap to the first room */
 813                 if (rmslot == rmtotal - 1) {
 814                         rmslot = 0;
 815                 } else {
 816                         rmslot++;
 817                 }
 818         }
 819
 820         /* Get name of next/previous room */
 821         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 822         room_tree_list_query(rl,  NULL, rmslot, rmname, NULL, NULL);
 823
 824         /* Free the tree */
 825         room_tree_list_query(rl, NULL, 0, NULL, NULL, NULL);
 826
 827         if (mode == 0) { /* not skipping */
 828             updatels(ipc);
 829         } else {
 830                 if (rc_alt_semantics) {
 831                 updatelsa(ipc);
 832                 }
 833         }
 834
 835         /* Free the room list */
 836         while (listing) {
 837                 mptr = listing->next;
 838                 free(listing);
 839                 listing = mptr;
 840         };
 841
 842         dotgoto(ipc, rmname, 1, 0);
 843 }
 844
 845
 846 /*
 847  * step through floors on system
 848  */
 849 void  gotofloorstep(CtdlIPC *ipc, int direction, int mode)
 850 {
 851         int  tofloor;
 852
 853         if (floorlist[0][0] == 0)
 854                 load_floorlist(ipc);
 855
 856         empty_keep_going:
 857
 858         if (direction == 0) { /* Previous floor */
 859                 if (curr_floor) tofloor = curr_floor - 1;
 860                 else tofloor = 127;
 861
 862                 while (!floorlist[tofloor][0]) tofloor--;
 863         } else {                   /* Next floor */
 864                 if (curr_floor < 127) tofloor = curr_floor + 1;
 865                 else tofloor = 0;
 866
 867                 while (!floorlist[tofloor][0] && tofloor < 127) tofloor++;
 868                 if (!floorlist[tofloor][0])     tofloor = 0;
 869         }
 870         /* ;g works when not in floor mode so . . . */
 871         if (!floor_mode) {
 872                 scr_printf("(%s)\n", floorlist[tofloor] );
 873         }
 874
 875         gotofloor(ipc, floorlist[tofloor], mode);
 876         if (curr_floor != tofloor) { /* gotofloor failed */
 877              curr_floor = tofloor;
 878              goto empty_keep_going;
 879         }
 880 }
 881
 882 /*
 883  * Display user 'preferences'.
 884  */
 885 extern int rc_prompt_control;
 886 void read_config(CtdlIPC *ipc)
 887 {
 888         char buf[SIZ];
 889         char *resp = NULL;
 890         int r;                  /* IPC response code */
 891     char _fullname[USERNAME_SIZE];
 892         long _usernum;
 893         int _axlevel, _timescalled, _posted;
 894         time_t _lastcall;
 895         struct ctdluser *user = NULL;
 896
 897         /* get misc user info */
 898         r = CtdlIPCGetBio(ipc, fullname, &resp, buf);
 899         if (r / 100 != 1) {
 900                 pprintf("%s\n", buf);
 901                 return;
 902         }
 903         extract_token(_fullname, buf, 1, '|', sizeof fullname);
 904         _usernum = extract_long(buf, 2);
 905         _axlevel = extract_int(buf, 3);
 906         _lastcall = extract_long(buf, 4);
 907     _timescalled = extract_int(buf, 5);
 908         _posted = extract_int(buf, 6);
 909         free(resp);
 910         resp = NULL;
 911
 912         /* get preferences */
 913         r = CtdlIPCGetConfig(ipc, &user, buf);
 914         if (r / 100 != 2) {
 915                 scr_printf("%s\n", buf);
 916                 free(user);
 917                 return;
 918         }
 919
 920         /* show misc user info */
 921         scr_printf("%s\nAccess level: %d (%s)\n"
 922                    "User #%ld / %d Calls / %d Posts",
 923                    _fullname, _axlevel, axdefs[(int) _axlevel],
 924                    _usernum, _timescalled, _posted);
 925         if (_lastcall > 0L) {
 926                 scr_printf(" / Curr login: %s",
 927                            asctime(localtime(&_lastcall)));
 928         }
 929         scr_printf("\n");
 930
 931         /* show preferences */
 932         scr_printf("Your screen width: ");                                     color(BRIGHT_CYAN); scr_printf("%d",   /*user->USscreenwidth*/ screenwidth);          color(DIM_WHITE);
 933         scr_printf(", height: ");                                              color(BRIGHT_CYAN); scr_printf("%d\n", /*user->USscreenheight*/ screenheight);        color(DIM_WHITE);
 934         scr_printf("Are you an experienced Citadel user: ");                   color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXPERT) ? "Yes" : "No");     color(DIM_WHITE);
 935         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);
 936         scr_printf("Prompt after each message: ");                             color(BRIGHT_CYAN); scr_printf("%s\n", (!(user->flags & US_NOPROMPT))? "Yes" : "No"); color(DIM_WHITE);
 937         if ((user->flags & US_NOPROMPT) == 0) {
 938         scr_printf("Use 'disappearing' prompts: ");                        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_DISAPPEAR)? "Yes" : "No");   color(DIM_WHITE);
 939         }
 940         scr_printf("Pause after each screenful of text: ");                    color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PAGINATOR)? "Yes" : "No");   color(DIM_WHITE);
 941     if (rc_prompt_control == 3 && (user->flags & US_PAGINATOR)) {
 942         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);
 943         }
 944     if (rc_floor_mode == RC_DEFAULT) {
 945         scr_printf("View rooms by floor: ");                               color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_FLOORS)? "Yes" : "No");          color(DIM_WHITE);
 946         }
 947         if (rc_ansi_color == 3) {
 948             scr_printf("Enable color support: ");                              color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_COLOR)? "Yes" : "No");       color(DIM_WHITE);
 949         }
 950         scr_printf("Be unlisted in userlog: ");                                color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_UNLISTED)? "Yes" : "No");    color(DIM_WHITE);
 951         if (strlen(editor_paths[0]) > 0) {
 952         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);
 953         }
 954         free(user);
 955 }
 956
 957 /*
 958  * Display system statistics.
 959  */
 960 void system_info(CtdlIPC *ipc)
 961 {
 962         char buf[SIZ];
 963         char *resp = NULL;
 964         size_t bytes;
 965         int mrtg_users, mrtg_active_users;
 966         char mrtg_server_uptime[40];
 967         long mrtg_himessage;
 968         int ret;                        /* IPC response code */
 969
 970         /* get #users, #active & server uptime */
 971         ret = CtdlIPCGenericCommand(ipc, "MRTG|users", NULL, 0, &resp, &bytes, buf);
 972         mrtg_users = extract_int(resp, 0);
 973         remove_token(resp, 0, '\n');
 974         mrtg_active_users = extract_int(resp, 0);
 975         remove_token(resp, 0, '\n');
 976         extract_token(mrtg_server_uptime, resp, 0, '\n', sizeof mrtg_server_uptime);
 977     free(resp);
 978         resp = NULL;
 979
 980         /* get high message# */
 981         ret = CtdlIPCGenericCommand(ipc, "MRTG|messages", NULL, 0, &resp, &bytes, buf);
 982         mrtg_himessage = extract_long(resp, 0);
 983         free(resp);
 984         resp = NULL;
 985
 986         /* refresh server info just in case */
 987         CtdlIPCServerInfo(ipc, buf);
 988
 989         scr_printf("You are connected to %s (%s) @%s\n", ipc->ServInfo.nodename, ipc->ServInfo.humannode, ipc->ServInfo.fqdn);
 990         scr_printf("running %s with text client v%.2f,\n", ipc->ServInfo.software, (float)REV_LEVEL/100);
 991     scr_printf("and located in %s.\n", ipc->ServInfo.site_location);
 992     scr_printf("Connected users %d / Active users %d / Highest message #%ld\n", mrtg_users, mrtg_active_users, mrtg_himessage);
 993     scr_printf("Server uptime: %s\n", mrtg_server_uptime);
 994     scr_printf("Your system administrator is %s.\n", ipc->ServInfo.sysadm);
 995     scr_printf("Copyright (C)1987-2007 by the Citadel development team\n");
 996 }
 997
 998 /*
 999  * forget all rooms on current floor
1000  */
1001 void forget_this_floor(CtdlIPC *ipc)
1002 {
1003         if (curr_floor == 0) {
1004                 scr_printf("Can't forget this floor.\n");
1005                 return;
1006         }
1007         if (floorlist[0][0] == 0) {
1008                 load_floorlist(ipc);
1009         }
1010         scr_printf("Are you sure you want to forget all rooms on %s? ",
1011                &floorlist[(int) curr_floor][0]);
1012         if (yesno() == 0) {
1013                 return;
1014         }
1015
1016         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
1017 }
1018
1019
1020 /*
1021  * Figure out the physical screen dimensions, if we can
1022  * WARNING:  this is now called from a signal handler!
1023  */
1024 void check_screen_dims(void)
1025 {
1026 #ifdef TIOCGWINSZ
1027         struct {
1028                 unsigned short height;  /* rows */
1029                 unsigned short width;   /* columns */
1030                 unsigned short xpixels;
1031                 unsigned short ypixels;         /* pixels */
1032         } xwinsz;
1033
1034         if (have_xterm) {       /* dynamically size screen if on an xterm */
1035                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
1036                         if (xwinsz.height)
1037                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
1038                         if (xwinsz.width)
1039                                 screenwidth = (int) xwinsz.width;
1040                 }
1041         }
1042 #endif
1043 }
1044
1045
1046 /*
1047  * set floor mode depending on client, server, and user settings
1048  */
1049 void set_floor_mode(CtdlIPC* ipc)
1050 {
1051         if (ipc->ServInfo.ok_floors == 0) {
1052                 floor_mode = 0; /* Don't use floors if the server */
1053         }
1054         /* doesn't support them!          */
1055         else {
1056                 if (rc_floor_mode == RC_NO) {   /* never use floors */
1057                         floor_mode = 0;
1058                 }
1059                 if (rc_floor_mode == RC_YES) {  /* always use floors */
1060                         floor_mode = 1;
1061                 }
1062                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
1063                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
1064                 }
1065         }
1066 }
1067
1068 /*
1069  * Set or change the user's password
1070  */
1071 int set_password(CtdlIPC *ipc)
1072 {
1073         char pass1[20];
1074         char pass2[20];
1075         char buf[SIZ];
1076
1077         if (strlen(rc_password) > 0) {
1078                 strcpy(pass1, rc_password);
1079                 strcpy(pass2, rc_password);
1080         } else {
1081                 IFNEXPERT formout(ipc, "changepw");
1082                 newprompt("Enter a new password: ", pass1, -19);
1083                 newprompt("Enter it again to confirm: ", pass2, -19);
1084         }
1085         strproc(pass1);
1086         strproc(pass2);
1087         if (!strcasecmp(pass1, pass2)) {
1088                 CtdlIPCChangePassword(ipc, pass1, buf);
1089                 scr_printf("%s\n", buf);
1090                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
1091                 return (0);
1092         } else {
1093                 scr_printf("*** They don't match... try again.\n");
1094                 return (1);
1095         }
1096 }
1097
1098
1099
1100 /*
1101  * get info about the server we've connected to
1102  */
1103 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
1104 {
1105         char buf[SIZ];
1106
1107         CtdlIPCServerInfo(ipc, buf);
1108
1109         /* be nice and identify ourself to the server */
1110         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
1111                  (ipc->isLocal ? "local" : CITADEL),
1112                  (supplied_hostname) ? supplied_hostname :
1113                  /* Look up the , in the bible if you're confused */
1114                  (locate_host(ipc, buf), buf), buf);
1115
1116         /*
1117          * Tell the server what our preferred content formats are.
1118          *
1119          * Originally we preferred HTML over plain text because we can format
1120          * it to the reader's screen width, but since our HTML-to-text parser
1121          * isn't really all that great, it's probably better to just go with
1122          * the plain text when we have it available.
1123          */
1124         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/plain|text/html") / 100 )== 2) {
1125                 can_do_msg4 = 1;
1126         }
1127 }
1128
1129
1130
1131 /*
1132  * Record compare function for SortOnlineUsers()
1133  */
1134 int idlecmp(const void *rec1, const void *rec2) {
1135         time_t i1, i2;
1136
1137         i1 = extract_long(rec1, 5);
1138         i2 = extract_long(rec2, 5);
1139
1140         if (i1 < i2) return(1);
1141         if (i1 > i2) return(-1);
1142         return(0);
1143 }
1144
1145
1146 /*
1147  * Sort the list of online users by idle time.
1148  * This function frees the supplied buffer, and returns a new one
1149  * to the caller.  The caller is responsible for freeing the returned buffer.
1150  */
1151 char *SortOnlineUsers(char *listing) {
1152         int rows;
1153         char *sortbuf;
1154         char *retbuf;
1155         char buf[SIZ];
1156         int i;
1157
1158         rows = num_tokens(listing, '\n');
1159         sortbuf = malloc(rows * SIZ);
1160         if (sortbuf == NULL) return(listing);
1161         retbuf = malloc(rows * SIZ);
1162         if (retbuf == NULL) {
1163                 free(sortbuf);
1164                 return(listing);
1165         }
1166
1167         /* Copy the list into a fixed-record-size array for sorting */
1168         for (i=0; i<rows; ++i) {
1169                 memset(buf, 0, SIZ);
1170                 extract_token(buf, listing, i, '\n', sizeof buf);
1171                 memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
1172         }
1173
1174         /* Do the sort */
1175         qsort(sortbuf, rows, SIZ, idlecmp);
1176
1177         /* Copy back to a \n delimited list */
1178         strcpy(retbuf, "");
1179         for (i=0; i<rows; ++i) {
1180                 strcat(retbuf, &sortbuf[i*SIZ]);
1181                 if (i<(rows-1)) strcat(retbuf, "\n");
1182         }
1183     free(listing);
1184     free(sortbuf);
1185         return(retbuf);
1186 }
1187
1188
1189
1190 /*
1191  * Display list of users currently logged on to the server
1192  */
1193 void who_is_online(CtdlIPC *ipc, int longlist)
1194 {
1195         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
1196         char flags[SIZ];
1197         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
1198         char clientsoft[SIZ];
1199         time_t timenow = 0;
1200         time_t idletime, idlehours, idlemins, idlesecs;
1201         int last_session = (-1);
1202         int skipidle = 0;
1203         char *listing = NULL;
1204         int r;                          /* IPC response code */
1205
1206         if (longlist == 2) {
1207                 longlist = 0;
1208                 skipidle = 1;
1209         }
1210
1211         if (!longlist) {
1212                 color(BRIGHT_WHITE);
1213                 pprintf("           User Name               Room           Idle        From host\n");
1214                 color(DIM_WHITE);
1215                 pprintf("   ------------------------- -------------------- ---- ------------------------\n");
1216         }
1217         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
1218         listing = SortOnlineUsers(listing);
1219         if (r / 100 == 1) {
1220                 while (strlen(listing) > 0) {
1221                         int isidle = 0;
1222
1223                         /* Get another line */
1224                         extract_token(buf, listing, 0, '\n', sizeof buf);
1225                         remove_token(listing, 0, '\n');
1226
1227                         extract_token(username, buf, 1, '|', sizeof username);
1228                         extract_token(roomname, buf, 2, '|', sizeof roomname);
1229                         extract_token(fromhost, buf, 3, '|', sizeof fromhost);
1230                         extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
1231                         extract_token(flags, buf, 7, '|', sizeof flags);
1232
1233                         idletime = timenow - extract_long(buf, 5);
1234                         idlehours = idletime / 3600;
1235                         idlemins = (idletime - (idlehours * 3600)) / 60;
1236                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
1237
1238                         if (idletime > rc_idle_threshold) {
1239                                 /*
1240                                 while (strlen(roomname) < 20) {
1241                                         strcat(roomname, " ");
1242                                 }
1243                                 strcpy(&roomname[14], "[idle]");
1244                                 */
1245                                 if (skipidle)
1246                                         isidle = 1;
1247                         }
1248
1249                         if (longlist) {
1250                                 extract_token(actual_user, buf, 8, '|', sizeof actual_user);
1251                                 extract_token(actual_room, buf, 9, '|', sizeof actual_room);
1252                                 extract_token(actual_host, buf, 10, '|', sizeof actual_host);
1253
1254                                 pprintf("  Flags: %s\n", flags);
1255                                 pprintf("Session: %d\n", extract_int(buf, 0));
1256                                 pprintf("   Name: %s\n", username);
1257                                 pprintf("In room: %s\n", roomname);
1258                                 pprintf("   Host: %s\n", fromhost);
1259                                 pprintf(" Client: %s\n", clientsoft);
1260                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
1261                                         (long) idlehours,
1262                                         (long) idlemins,
1263                                         (long) idlesecs);
1264
1265                                 if ( (strlen(actual_user)+strlen(actual_room)+strlen(actual_host)) > 0) {
1266                                         pprintf("(really ");
1267                                         if (strlen(actual_user)>0) pprintf("<%s> ", actual_user);
1268                                         if (strlen(actual_room)>0) pprintf("in <%s> ", actual_room);
1269                                         if (strlen(actual_host)>0) pprintf("from <%s> ", actual_host);
1270                                         pprintf(")\n");
1271                                 }
1272                                 pprintf("\n");
1273
1274                         } else {
1275                     if (isidle == 0) {
1276                                 if (extract_int(buf, 0) == last_session) {
1277                                         pprintf("        ");
1278                                 } else {
1279                                         color(BRIGHT_MAGENTA);
1280                                         pprintf("%-3s", flags);
1281                                 }
1282                                 last_session = extract_int(buf, 0);
1283                                 color(BRIGHT_CYAN);
1284                                 pprintf("%-25s ", username);
1285                                 color(BRIGHT_MAGENTA);
1286                                 roomname[20] = 0;
1287                                 pprintf("%-20s ", roomname);
1288                                 if (idletime > rc_idle_threshold) {
1289                                         /* over 1000d, must be gone fishing */
1290                                         if (idlehours > 23999) {
1291                                                 pprintf("fish");
1292                                         /* over 10 days */
1293                                         } else if (idlehours > 239) {
1294                                                 pprintf("%3ldd",
1295                                                         idlehours / 24);
1296                                         /* over 10 hours */
1297                                         } else if (idlehours > 9) {
1298                                                 pprintf("%1ldd%02ld",
1299                                                         idlehours / 24,
1300                                                         idlehours % 24);
1301                                         /* less than 10 hours */
1302                                         } else {
1303                                                 pprintf("%1ld:%02ld",
1304                                                         idlehours, idlemins);
1305                                         }
1306                                 }
1307                                 else {
1308                                         pprintf("    ");
1309                                 }
1310                                 pprintf(" ");
1311                                 color(BRIGHT_CYAN);
1312                                 fromhost[24] = '\0';
1313                                 pprintf("%-24s\n", fromhost);
1314                                 color(DIM_WHITE);
1315                         }
1316                         }
1317                 }
1318         }
1319         free(listing);
1320 }
1321
1322 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
1323 {
1324         char bbb[128];
1325         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
1326         newprompt(bbb, buf, maxlen);
1327 }
1328
1329
1330
1331 int shift(int argc, char **argv, int start, int count) {
1332         int i;
1333
1334         for (i=start; i<(argc-count); ++i) {
1335                 argv[i] = argv[i+count];
1336         }
1337         argc = argc - count;
1338         return argc;
1339 }
1340
1341 static void statusHook(char *s) {
1342         sln_printf(s);
1343         sln_flush();
1344 }
1345
1346 /*
1347  * main
1348  */
1349 int main(int argc, char **argv)
1350 {
1351         int a, b, mcmd;
1352         char aaa[100], bbb[100];/* general purpose variables */
1353         char argbuf[64];        /* command line buf */
1354         char nonce[NONCE_SIZE];
1355         char *telnet_client_host = NULL;
1356         char *sptr, *sptr2;     /* USed to extract the nonce */
1357         char hexstring[MD5_HEXSTRING_SIZE];
1358         int stored_password = 0;
1359         char password[SIZ];
1360         struct ctdlipcmisc chek;
1361         struct ctdluser *myself = NULL;
1362         CtdlIPC* ipc;                   /* Our server connection */
1363         int r;                          /* IPC result code */
1364
1365         int relh=0;
1366         int home=0;
1367         char relhome[PATH_MAX]="";
1368         char ctdldir[PATH_MAX]=CTDLDIR;
1369
1370
1371
1372         calc_dirs_n_files(relh, home, relhome, ctdldir);
1373
1374         setIPCDeathHook(screen_delete);
1375         setIPCErrorPrintf(err_printf);
1376         setCryptoStatusHook(statusHook);
1377
1378         /* Permissions sanity check - don't run citadel setuid/setgid */
1379         if (getuid() != geteuid()) {
1380                 err_printf("Please do not run citadel setuid!\n");
1381                 logoff(NULL, 3);
1382         } else if (getgid() != getegid()) {
1383                 err_printf("Please do not run citadel setgid!\n");
1384                 logoff(NULL, 3);
1385         }
1386
1387         stty_ctdl(SB_SAVE);     /* Store the old terminal parameters */
1388         load_command_set();     /* parse the citadel.rc file */
1389         stty_ctdl(SB_NO_INTR);  /* Install the new ones */
1390         /* signal(SIGHUP, dropcarr);FIXME */    /* Cleanup gracefully if carrier is dropped */
1391         signal(SIGPIPE, dropcarr);      /* Cleanup gracefully if local conn. dropped */
1392         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
1393         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1394 #ifdef SIGWINCH
1395         signal(SIGWINCH, scr_winch);    /* Window resize signal */
1396 #endif
1397
1398 #ifdef HAVE_OPENSSL
1399         arg_encrypt = RC_DEFAULT;
1400 #endif
1401 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1402         arg_screen = RC_DEFAULT;
1403 #endif
1404
1405         /*
1406          * Handle command line options as if we were called like /bin/login
1407          * (i.e. from in.telnetd)
1408          */
1409         for (a=0; a<argc; ++a) {
1410                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1411                         telnet_client_host = argv[a+1];
1412                         argc = shift(argc, argv, a, 2);
1413                 }
1414                 if (!strcmp(argv[a], "-x")) {
1415 #ifdef HAVE_OPENSSL
1416                         arg_encrypt = RC_NO;
1417 #endif
1418                         argc = shift(argc, argv, a, 1);
1419                 }
1420                 if (!strcmp(argv[a], "-X")) {
1421 #ifdef HAVE_OPENSSL
1422                         arg_encrypt = RC_YES;
1423                         argc = shift(argc, argv, a, 1);
1424 #else
1425                         fprintf(stderr, "Not compiled with encryption support");
1426                         return 1;
1427 #endif
1428                 }
1429                 if (!strcmp(argv[a], "-s")) {
1430 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1431                         arg_screen = RC_NO;
1432 #endif
1433                         argc = shift(argc, argv, a, 1);
1434                 }
1435                 if (!strcmp(argv[a], "-S")) {
1436 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1437                         arg_screen = RC_YES;
1438 #endif
1439                         argc = shift(argc, argv, a, 1);
1440                 }
1441                 if (!strcmp(argv[a], "-p")) {
1442                         struct stat st;
1443
1444                         if (chdir(CTDLDIR) < 0) {
1445                                 perror("can't change to " CTDLDIR);
1446                                 logoff(NULL, 3);
1447                         }
1448
1449                         /*
1450                          * Drop privileges if necessary. We stat
1451                          * citadel.config to get the uid/gid since it's
1452                          * guaranteed to have the uid/gid we want.
1453                          */
1454                         if (!getuid() || !getgid()) {
1455                                 if (stat(file_citadel_config, &st) < 0) {
1456                                         perror("couldn't stat citadel.config");
1457                                         logoff(NULL, 3);
1458                                 }
1459                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1460                                         perror("couldn't change gid");
1461                                         logoff(NULL, 3);
1462                                 }
1463                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1464                                         perror("couldn't change uid");
1465                                         logoff(NULL, 3);
1466                                 }
1467                                 /*
1468                                   scr_printf("Privileges changed to uid %d gid %d\n",
1469                                   getuid(), getgid());
1470                                 */
1471                         }
1472                         argc = shift(argc, argv, a, 1);
1473                 }
1474         }
1475
1476
1477         screen_new();
1478
1479 #ifdef __CYGWIN__
1480         newprompt("Connect to (return for local server): ", hostbuf, 64);
1481 #endif
1482
1483         sln_printf("Attaching to server... \r");
1484         sln_flush();
1485         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1486         if (!ipc) {
1487                 screen_delete();
1488                 error_printf("Can't connect: %s\n", strerror(errno));
1489                 logoff(NULL, 3);
1490         }
1491 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1492         CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1493 #endif
1494         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1495
1496         CtdlIPC_chat_recv(ipc, aaa);
1497         if (aaa[0] != '2') {
1498                 scr_printf("%s\n", &aaa[4]);
1499                 logoff(ipc, atoi(aaa));
1500         }
1501
1502         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1503          * is zeroized.
1504          */
1505
1506         if ((sptr = strchr(aaa, '<')) == NULL)
1507                 {
1508                         nonce[0] = '\0';
1509                 }
1510         else
1511                 {
1512                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1513                                 {
1514                                         nonce[0] = '\0';
1515                                 }
1516                         else
1517                                 {
1518                                         sptr2++;
1519                                         *sptr2 = '\0';
1520                                         strncpy(nonce, sptr, (size_t)NONCE_SIZE);
1521                                 }
1522                 }
1523
1524 #ifdef HAVE_OPENSSL
1525         /* Evaluate encryption preferences */
1526         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1527                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1528                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1529                         if (!secure)
1530                                 error_printf("Can't encrypt: %s\n", aaa);
1531                 }
1532         }
1533 #endif
1534
1535         get_serv_info(ipc, telnet_client_host);
1536         scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
1537                    ipc->ServInfo.site_location);
1538         scr_flush();
1539
1540         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location, NULL,
1541                     secure, -1);
1542
1543         screenwidth = 80;       /* default screen dimensions */
1544         screenheight = 24;
1545
1546         scr_printf(" pause    next    stop\n");
1547         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1548         formout(ipc, "hello");  /* print the opening greeting */
1549         scr_printf("\n");
1550
1551  GSTA:  /* See if we have a username and password on disk */
1552         if (rc_remember_passwords) {
1553                 get_stored_password(hostbuf, portbuf, fullname, password);
1554                 if (strlen(fullname) > 0) {
1555                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1556                         if (r / 100 == 3) {
1557                                 if (*nonce) {
1558                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1559                                 } else {
1560                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1561                                 }
1562                         }
1563
1564                         if (r / 100 == 2) {
1565                                 load_user_info(aaa);
1566                                 stored_password = 1;
1567                                 goto PWOK;
1568                         } else {
1569                                 set_stored_password(hostbuf, portbuf, "", "");
1570                         }
1571                 }
1572         }
1573
1574         termn8 = 0;
1575         newnow = 0;
1576         do {
1577                 if (strlen(rc_username) > 0) {
1578                         strcpy(fullname, rc_username);
1579                 } else {
1580                         newprompt("Enter your name: ", fullname, 29);
1581                 }
1582                 strproc(fullname);
1583                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1584                         scr_printf("Please enter the name you wish to log in with.\n");
1585                 }
1586         } while (
1587                  (!strcasecmp(fullname, "bbs"))
1588                  || (!strcasecmp(fullname, "new"))
1589                  || (strlen(fullname) == 0));
1590
1591         if (!strcasecmp(fullname, "off")) {
1592                 mcmd = 29;
1593                 goto TERMN8;
1594         }
1595         /* sign on to the server */
1596         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1597         if (r / 100 != 3)
1598                 goto NEWUSR;
1599
1600         /* password authentication */
1601         if (strlen(rc_password) > 0) {
1602                 strcpy(password, rc_password);
1603         } else {
1604                 newprompt("\rPlease enter your password: ", password, -19);
1605         }
1606         strproc(password);
1607
1608         if (*nonce) {
1609                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1610         } else {
1611                 r = CtdlIPCTryPassword(ipc, password, aaa);
1612         }
1613
1614         if (r / 100 == 2) {
1615                 load_user_info(aaa);
1616                 offer_to_remember_password(ipc, hostbuf, portbuf,
1617                                            fullname, password);
1618                 goto PWOK;
1619         }
1620         scr_printf("<< wrong password >>\n");
1621         if (strlen(rc_password) > 0)
1622                 logoff(ipc, 2);
1623         goto GSTA;
1624
1625 NEWUSR: if (strlen(rc_password) == 0) {
1626                 scr_printf("'%s' not found.\n", fullname);
1627                 scr_printf("Type 'off' if you would like to exit.\n");
1628                 if (ipc->ServInfo.newuser_disabled == 1) {
1629                         goto GSTA;
1630                 }
1631                 scr_printf("Do you want to create a new user account called '%s'? ",
1632                         fullname);
1633                 if (yesno() == 0) {
1634                         goto GSTA;
1635                 }
1636         }
1637
1638         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1639         if (r / 100 != 2) {
1640                 scr_printf("%s\n", aaa);
1641                 goto GSTA;
1642         }
1643         load_user_info(aaa);
1644
1645         while (set_password(ipc) != 0);
1646         newnow = 1;
1647
1648         enter_config(ipc, 1);
1649
1650  PWOK:
1651         /* Switch color support on or off if we're in user mode */
1652         if (rc_ansi_color == 3) {
1653                 if (userflags & US_COLOR)
1654                         enable_color = 1;
1655                 else
1656                         enable_color = 0;
1657         }
1658
1659         color(BRIGHT_WHITE);
1660         scr_printf("\n%s\nAccess level: %d (%s)\n"
1661                    "User #%ld / Login #%d",
1662                    fullname, axlevel, axdefs[(int) axlevel],
1663                    usernum, timescalled);
1664         if (lastcall > 0L) {
1665                 scr_printf(" / Last login: %s",
1666                            asctime(localtime(&lastcall)));
1667         }
1668         scr_printf("\n");
1669
1670         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1671         if (r / 100 == 2) {
1672                 b = chek.newmail;
1673                 if (b > 0) {
1674                         color(BRIGHT_RED);
1675                         if (b == 1)
1676                                 scr_printf("*** You have a new private message in Mail>\n");
1677                         if (b > 1)
1678                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1679                         color(DIM_WHITE);
1680                         if (strlen(rc_gotmail_cmd) > 0) {
1681                                 system(rc_gotmail_cmd);
1682                         }
1683                 }
1684                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1685                         scr_printf("*** Users need validation\n");
1686                 }
1687                 if (chek.needregis > 0) {
1688                         scr_printf("*** Please register.\n");
1689                         formout(ipc, "register");
1690                         entregis(ipc);
1691                 }
1692         }
1693         /* Make up some temporary filenames for use in various parts of the
1694          * program.  Don't mess with these once they've been set, because we
1695          * will be unlinking them later on in the program and we don't
1696          * want to delete something that we didn't create. */
1697         CtdlMakeTempFileName(temp, sizeof temp);
1698         CtdlMakeTempFileName(temp2, sizeof temp2);
1699         CtdlMakeTempFileName(tempdir, sizeof tempdir);
1700
1701         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1702          * we try to get the user's actual screen dimensions off the server.
1703          * However, if we're running on an xterm, all this stuff is
1704          * irrelevant because we're going to dynamically size the screen
1705          * during the session.
1706          */
1707         screenwidth = 80;
1708         screenheight = 24;
1709         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1710         if (r == 2) {
1711                 screenwidth = myself->USscreenwidth;
1712                 screenheight = myself->USscreenheight;
1713         }
1714         if (getenv("TERM") != NULL)
1715                 if (!strcmp(getenv("TERM"), "xterm")) {
1716                         have_xterm = 1;
1717                 }
1718 #ifdef TIOCGWINSZ
1719         check_screen_dims();
1720 #endif
1721
1722         set_floor_mode(ipc);
1723
1724         /* Enter the lobby */
1725         dotgoto(ipc, "_BASEROOM_", 1, 0);
1726
1727         /* Main loop for the system... user is logged in. */
1728     free(uglist[0]);
1729         uglistsize = 0;
1730
1731         if (newnow == 1)
1732                 readmsgs(ipc, LastMessages, ReadForward, 5);
1733         else
1734                 readmsgs(ipc, NewMessages, ReadForward, 0);
1735
1736         /* MAIN COMMAND LOOP */
1737         do {
1738                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1739
1740 #ifdef TIOCGWINSZ
1741                 check_screen_dims();            /* if xterm, get screen size */
1742 #endif
1743
1744                 if (termn8 == 0)
1745                         switch (mcmd) {
1746                         case 1:
1747                                 formout(ipc, "help");
1748                                 break;
1749                         case 4:
1750                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1751                                 break;
1752                         case 36:
1753                                 entmsg(ipc, 0, 1, 0);
1754                                 break;
1755                         case 46:
1756                                 entmsg(ipc, 0, 2, 0);
1757                                 break;
1758                         case 78:
1759                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 1);
1760                                 break;
1761                         case 5:                         /* <G>oto */
1762                                 updatels(ipc);
1763                                 gotonext(ipc);
1764                                 break;
1765                         case 47:                        /* <A>bandon */
1766                                 if (!rc_alt_semantics) {
1767                                         updatelsa(ipc);
1768                                 }
1769                                 gotonext(ipc);
1770                                 break;
1771                         case 90:                        /* <.A>bandon */
1772                                 if (!rc_alt_semantics)
1773                                         updatelsa(ipc);
1774                                 dotgoto(ipc, argbuf, 0, 0);
1775                                 break;
1776                         case 58:                        /* <M>ail */
1777                                 updatelsa(ipc);
1778                                 dotgoto(ipc, "_MAIL_", 1, 0);
1779                                 break;
1780                         case 20:
1781                                 if (strlen(argbuf) > 0) {
1782                                         updatels(ipc);
1783                                         dotgoto(ipc, argbuf, 0, 0);
1784                                 }
1785                                 break;
1786                         case 52:
1787                                 if (strlen(argbuf) > 0) {
1788                                         if (rc_alt_semantics) {
1789                                                 updatelsa(ipc);
1790                                         }
1791                                         dotgoto(ipc, argbuf, 0, 0);
1792                                 }
1793                                 break;
1794                         case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
1795                                 dotungoto(ipc, argbuf);
1796                                 break;
1797                         case 10:
1798                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1799                                 break;
1800                         case 9:
1801                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1802                                 break;
1803                         case 13:
1804                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1805                                 break;
1806                         case 11:
1807                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1808                                 break;
1809                         case 12:
1810                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1811                                 break;
1812                         case 71:
1813                                 readmsgs(ipc, LastMessages, ReadForward,
1814                                                 atoi(argbuf));
1815                                 break;
1816                         case 7:
1817                                 forget(ipc);
1818                                 break;
1819                         case 18:
1820                                 subshell();
1821                                 break;
1822                         case 38:
1823                                 updatels(ipc);
1824                                 entroom(ipc);
1825                                 break;
1826                         case 22:
1827                                 killroom(ipc);
1828                                 break;
1829                         case 32:
1830                                 userlist(ipc, argbuf);
1831                                 break;
1832                         case 27:
1833                                 invite(ipc);
1834                                 break;
1835                         case 28:
1836                                 kickout(ipc);
1837                                 break;
1838                         case 23:
1839                                 editthisroom(ipc);
1840                                 break;
1841                         case 14:
1842                                 roomdir(ipc);
1843                                 break;
1844                         case 33:
1845                                 download(ipc, 0);
1846                                 break;
1847                         case 34:
1848                                 download(ipc, 1);
1849                                 break;
1850                         case 31:
1851                                 download(ipc, 2);
1852                                 break;
1853                         case 43:
1854                                 download(ipc, 3);
1855                                 break;
1856                         case 45:
1857                                 download(ipc, 4);
1858                                 break;
1859                         case 55:
1860                                 download(ipc, 5);
1861                                 break;
1862                         case 39:
1863                                 upload(ipc, 0);
1864                                 break;
1865                         case 40:
1866                                 upload(ipc, 1);
1867                                 break;
1868                         case 42:
1869                                 upload(ipc, 2);
1870                                 break;
1871                         case 44:
1872                                 upload(ipc, 3);
1873                                 break;
1874                         case 57:
1875                                 cli_upload(ipc);
1876                                 break;
1877                         case 16:
1878                                 ungoto(ipc);
1879                                 break;
1880                         case 24:
1881                                 whoknows(ipc);
1882                                 break;
1883                         case 26:
1884                                 validate(ipc);
1885                                 break;
1886                         case 29:
1887                         case 30:
1888                                 if (!rc_alt_semantics) {
1889                                         updatels(ipc);
1890                                 }
1891                                 termn8 = 1;
1892                                 break;
1893                         case 48:
1894                                 enterinfo(ipc);
1895                                 break;
1896                         case 49:
1897                                 readinfo(ipc);
1898                                 break;
1899                         case 72:
1900                                 cli_image_upload(ipc, "_userpic_");
1901                                 break;
1902                         case 73:
1903                                 cli_image_upload(ipc, "_roompic_");
1904                                 break;
1905
1906                         case 74:
1907                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1908                                 cli_image_upload(ipc, aaa);
1909                                 break;
1910
1911                         case 75:
1912                                 enternew(ipc, "roomname", aaa, 20);
1913                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1914                                 if (r / 100 != 2)
1915                                         scr_printf("\n%s\n", bbb);
1916                                 break;
1917                         case 76:
1918                                 enternew(ipc, "hostname", aaa, 25);
1919                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1920                                 if (r / 100 != 2)
1921                                         scr_printf("\n%s\n", bbb);
1922                                 break;
1923                         case 77:
1924                                 enternew(ipc, "username", aaa, 32);
1925                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
1926                                 if (r / 100 != 2)
1927                                         scr_printf("\n%s\n", bbb);
1928                                 break;
1929
1930                         case 35:
1931                                 set_password(ipc);
1932                                 break;
1933
1934                         case 21:
1935                                 if (argbuf[0] == 0)
1936                                         strcpy(aaa, "?");
1937                                 display_help(ipc, argbuf);
1938                                 break;
1939
1940                         case 41:
1941                                 formout(ipc, "register");
1942                                 entregis(ipc);
1943                                 break;
1944
1945                         case 15:
1946                                 scr_printf("Are you sure (y/n)? ");
1947                                 if (yesno() == 1) {
1948                                         if (!rc_alt_semantics)
1949                                                 updatels(ipc);
1950                                         a = 0;
1951                                         termn8 = 1;
1952                                 }
1953                                 break;
1954
1955                         case 85:
1956                                 scr_printf("All users will be disconnected!  "
1957                                            "Really terminate the server? ");
1958                                 if (yesno() == 1) {
1959                                         if (!rc_alt_semantics)
1960                                                 updatels(ipc);
1961                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
1962                                         scr_printf("%s\n", aaa);
1963                                         if (r / 100 == 2) {
1964                                                 a = 0;
1965                                                 termn8 = 1;
1966                                         }
1967                                 }
1968                                 break;
1969
1970                         case 86:
1971                                 scr_printf("Do you really want to schedule a "
1972                                            "server shutdown? ");
1973                                 if (yesno() == 1) {
1974                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
1975                                         if (r / 100 == 2) {
1976                                                 if (atoi(aaa)) {
1977                                                         scr_printf(
1978                                                                    "The Citadel server will terminate when all users are logged off.\n"
1979                                                                    );
1980                                                 } else {
1981                                                         scr_printf(
1982                                                                    "The Citadel server will not terminate.\n"
1983                                                                    );
1984                                                 }
1985                                         }
1986                                 }
1987                                 break;
1988
1989                         case 87:
1990                                 network_config_management(ipc, "listrecp",
1991                                                           "Message-by-message mailing list recipients");
1992                                 break;
1993
1994                         case 94:
1995                                 network_config_management(ipc, "digestrecp",
1996                                                           "Digest mailing list recipients");
1997                                 break;
1998
1999                         case 89:
2000                                 network_config_management(ipc, "ignet_push_share",
2001                                                           "Nodes with which we share this room");
2002                                 break;
2003
2004                         case 88:
2005                                 do_ignet_configuration(ipc);
2006                                 break;
2007
2008                         case 92:
2009                                 do_filterlist_configuration(ipc);
2010                                 break;
2011
2012                         case 6:
2013                                 if (rc_alt_semantics) {
2014                                         updatelsa(ipc);
2015                                 }
2016                                 gotonext(ipc);
2017                                 break;
2018
2019                         case 3:
2020                                 chatmode(ipc);
2021                                 break;
2022
2023                         case 2:
2024                                 if (ipc->isLocal) {
2025                                         screen_reset();
2026                                         stty_ctdl(SB_RESTORE);
2027                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
2028                                                  "exec ./subsystem %ld %d %d", fullname,
2029                                                  usernum, screenwidth, axlevel);
2030                                         ka_system(aaa);
2031                                         stty_ctdl(SB_NO_INTR);
2032                                         screen_set();
2033                                 } else {
2034                                         scr_printf("*** Can't run doors when server is not local.\n");
2035                                 }
2036                                 break;
2037
2038                         case 17:
2039                                 who_is_online(ipc, 0);
2040                                 break;
2041
2042                         case 79:
2043                                 who_is_online(ipc, 1);
2044                                 break;
2045
2046                         case 91:
2047                                 who_is_online(ipc, 2);
2048                                 break;
2049
2050                         case 80:
2051                                 do_system_configuration(ipc);
2052                                 break;
2053
2054                         case 82:
2055                                 do_internet_configuration(ipc);
2056                                 break;
2057
2058                         case 83:
2059                                 check_message_base(ipc);
2060                                 break;
2061
2062                         case 84:
2063                                 quiet_mode(ipc);
2064                                 break;
2065
2066                         case 93:
2067                                 stealth_mode(ipc);
2068                                 break;
2069
2070                         case 50:
2071                                 enter_config(ipc, 2);
2072                                 break;
2073
2074                         case 37:
2075                                 enter_config(ipc, 0);
2076                                 set_floor_mode(ipc);
2077                                 break;
2078
2079                         case 59:
2080                                 enter_config(ipc, 3);
2081                                 set_floor_mode(ipc);
2082                                 break;
2083
2084                         case 60:
2085                                 gotofloor(ipc, argbuf, GF_GOTO);
2086                                 break;
2087
2088                         case 61:
2089                                 gotofloor(ipc, argbuf, GF_SKIP);
2090                                 break;
2091
2092                         case 62:
2093                                 forget_this_floor(ipc);
2094                                 break;
2095
2096                         case 63:
2097                                 create_floor(ipc);
2098                                 break;
2099
2100                         case 64:
2101                                 edit_floor(ipc);
2102                                 break;
2103
2104                         case 65:
2105                                 kill_floor(ipc);
2106                                 break;
2107
2108                         case 66:
2109                                 enter_bio(ipc);
2110                                 break;
2111
2112                         case 67:
2113                                 read_bio(ipc);
2114                                 break;
2115
2116                         case 25:
2117                                 edituser(ipc, 25);
2118                                 break;
2119
2120                         case 96:
2121                                 edituser(ipc, 96);
2122                                 break;
2123
2124                         case 8:
2125                                 knrooms(ipc, floor_mode);
2126                                 scr_printf("\n");
2127                                 break;
2128
2129                         case 68:
2130                                 knrooms(ipc, 2);
2131                                 scr_printf("\n");
2132                                 break;
2133
2134                         case 69:
2135                                 misc_server_cmd(ipc, argbuf);
2136                                 break;
2137
2138                         case 70:
2139                                 edit_system_message(ipc, argbuf);
2140                                 break;
2141
2142                         case 19:
2143                                 listzrooms(ipc);
2144                                 scr_printf("\n");
2145                                 break;
2146
2147                         case 51:
2148                                 deletefile(ipc);
2149                                 break;
2150
2151                         case 53:
2152                                 netsendfile(ipc);
2153                                 break;
2154
2155                         case 54:
2156                                 movefile(ipc);
2157                                 break;
2158
2159                         case 56:
2160                                 page_user(ipc);
2161                                 break;
2162
2163             case 110:           /* <+> Next room */
2164                                  gotoroomstep(ipc, 1, 0);
2165                              break;
2166
2167             case 111:           /* <-> Previous room */
2168                  gotoroomstep(ipc, 0, 0);
2169                              break;
2170
2171                         case 112:           /* <>> Next floor */
2172                  gotofloorstep(ipc, 1, GF_GOTO);
2173                              break;
2174
2175                         case 113:           /* <<> Previous floor */
2176                  gotofloorstep(ipc, 0, GF_GOTO);
2177                                  break;
2178
2179             case 116:           /* <.> skip to <+> Next room */
2180                  gotoroomstep(ipc, 1, 1);
2181                              break;
2182
2183             case 117:           /* <.> skip to <-> Previous room */
2184                  gotoroomstep(ipc, 0, 1);
2185                              break;
2186
2187                         case 118:           /* <.> skip to <>> Next floor */
2188                  gotofloorstep(ipc, 1, GF_SKIP);
2189                              break;
2190
2191                         case 119:           /* <.> skip to <<> Previous floor */
2192                  gotofloorstep(ipc, 0, GF_SKIP);
2193                                  break;
2194
2195                         case 114:
2196                  read_config(ipc);
2197                                  break;
2198
2199                         case 115:
2200                  system_info(ipc);
2201                                  break;
2202
2203                         case 120:           /* .KAnonymous */
2204                          dotknown(ipc, 0, NULL);
2205                                  break;
2206
2207                         case 121:           /* .KDirectory */
2208                          dotknown(ipc, 1, NULL);
2209                                  break;
2210
2211                         case 122:           /* .KMatch */
2212                          dotknown(ipc, 2, argbuf);
2213                                  break;
2214
2215                         case 123:           /* .KpreferredOnly */
2216                          dotknown(ipc, 3, NULL);
2217                                  break;
2218
2219                         case 124:           /* .KPrivate */
2220                          dotknown(ipc, 4, NULL);
2221                                  break;
2222
2223                         case 125:           /* .KRead only */
2224                          dotknown(ipc, 5, NULL);
2225                                  break;
2226
2227                         case 126:           /* .KShared */
2228                          dotknown(ipc, 6, NULL);
2229                                  break;
2230
2231                         default: /* allow some math on the command */
2232                                 /* commands 100... to 100+MAX_EDITORS-1 will
2233                                    call the appropriate editor... in other
2234                                    words, command numbers 100+ will match
2235                                    the citadel.rc keys editor0, editor1, etc.*/
2236                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
2237                                 {
2238                                         /* entmsg mode >=2 select editor */
2239                                         entmsg(ipc, 0, mcmd - 100 + 2, 0);
2240                                         break;
2241                                 }
2242                         }       /* end switch */
2243         } while (termn8 == 0);
2244
2245 TERMN8: scr_printf("%s logged out.", fullname);
2246         termn8 = 0;
2247         color(ORIGINAL_PAIR);
2248         scr_printf("\n");
2249         while (march != NULL) {
2250                 remove_march(march->march_name, 0);
2251         }
2252         if (mcmd == 30) {
2253                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
2254         }
2255         CtdlIPCLogout(ipc);
2256         if ((mcmd == 29) || (mcmd == 15)) {
2257                 screen_delete();
2258                 stty_ctdl(SB_RESTORE);
2259                 formout(ipc, "goodbye");
2260                 logoff(ipc, 0);
2261         }
2262         goto GSTA;
2263
2264 }       /* end main() */