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