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 "tuiconfig.h"
  42 #include "rooms.h"
  43 #include "messages.h"
  44 #include "commands.h"
  45 #include "client_chat.h"
  46 #include "client_passwords.h"
  47 #include "citadel_decls.h"
  48 #include "tools.h"
  49 #include "sysdep.h"
  50 #ifndef HAVE_SNPRINTF
  51 #include "snprintf.h"
  52 #endif
  53 #include "screen.h"
  54 #include "citadel_dirs.h"
  55
  56 #include "ecrash.h"
  57 #include "md5.h"
  58
  59 #define IFEXPERT if (userflags&US_EXPERT)
  60 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
  61 #define IFAIDE if (axlevel>=6)
  62 #define IFNAIDE if (axlevel<6)
  63
  64 int rordercmp(struct ctdlroomlisting *r1, struct ctdlroomlisting *r2);
  65
  66 struct march *march = NULL;
  67
  68 /* globals associated with the client program */
  69 char temp[PATH_MAX];            /* Name of general-purpose temp file */
  70 char temp2[PATH_MAX];           /* Name of general-purpose temp file */
  71 char tempdir[PATH_MAX];         /* Name of general-purpose temp directory */
  72 char editor_paths[MAX_EDITORS][SIZ];    /* paths to external editors */
  73 char printcmd[SIZ];             /* print command */
  74 int editor_pid = (-1);
  75 char fullname[USERNAME_SIZE];
  76 int screenwidth;
  77 int screenheight;
  78 unsigned room_flags;
  79 unsigned room_flags2;
  80 char room_name[ROOMNAMELEN];
  81 char *uglist[UGLISTLEN]; /* size of the ungoto list */
  82 long uglistlsn[UGLISTLEN]; /* current read position for all the ungoto's. Not going to make any friends with this one. */
  83 int uglistsize = 0;
  84 char is_mail = 0;               /* nonzero when we're in a mail room */
  85 char axlevel = 0;               /* access level */
  86 char is_room_aide = 0;          /* boolean flag, 1 if room aide */
  87 int timescalled;
  88 int posted;
  89 unsigned userflags;
  90 long usernum = 0L;              /* user number */
  91 time_t lastcall = 0L;           /* Date/time of previous login */
  92 char newnow;
  93 long highest_msg_read;          /* used for <A>bandon room cmd */
  94 long maxmsgnum;                 /* used for <G>oto */
  95 char sigcaught = 0;
  96 char have_xterm = 0;            /* are we running on an xterm? */
  97 char rc_username[USERNAME_SIZE];
  98 char rc_password[32];
  99 char hostbuf[SIZ];
 100 char portbuf[SIZ];
 101 char rc_floor_mode;
 102 char floor_mode;
 103 char curr_floor = 0;            /* number of current floor */
 104 char floorlist[128][SIZ];       /* names of floors */
 105 int termn8 = 0;                 /* Set to nonzero to cause a logoff */
 106 int secure;                     /* Set to nonzero when wire is encrypted */
 107 int can_do_msg4 = 0;            /* Set to nonzero if the server can handle MSG4 commands */
 108
 109 extern char instant_msgs;       /* instant messages waiting! */
 110 extern int rc_ansi_color;       /* ansi color value from citadel.rc */
 111 extern int next_lazy_cmd;
 112
 113 CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
 114 int enable_syslog = 0;
 115
 116
 117 /*
 118  * lprintf()  ...   Write logging information;
 119  *                  simple here to have the same
 120  *                  symbols in the client.
 121  */
 122 enum LogLevel {CTDL_EMERG};
 123
 124 void lprintf(enum LogLevel loglevel, const char *format, ...) {
 125         va_list arg_ptr;
 126
 127         va_start(arg_ptr, format);
 128         vfprintf(stderr, format, arg_ptr);
 129         va_end(arg_ptr);
 130         fflush(stderr);
 131 }
 132
 133 /*
 134  * here is our 'clean up gracefully and exit' routine
 135  */
 136 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
 137 {
 138         int lp;
 139
 140         if (editor_pid > 0) {   /* kill the editor if it's running */
 141                 kill(editor_pid, SIGHUP);
 142         }
 143
 144         /* Free the ungoto list */
 145         for (lp = 0; lp < uglistsize; lp++) {
 146                 free(uglist[lp]);
 147         }
 148
 149 /* Shut down the server connection ... but not if the logoff code is 3,
 150  * because that means we're exiting because we already lost the server.
 151  */
 152         if (code != 3) {
 153                 CtdlIPCQuit(ipc);
 154         }
 155
 156 /*
 157  * now clean up various things
 158  */
 159         screen_delete();
 160
 161         unlink(temp);
 162         unlink(temp2);
 163         nukedir(tempdir);
 164
 165         /* Violently kill off any child processes if Citadel is
 166          * the login shell.
 167          */
 168         if (getppid() == 1) {
 169                 kill(0 - getpgrp(), SIGTERM);
 170                 sleep(1);
 171                 kill(0 - getpgrp(), SIGKILL);
 172         }
 173         color(ORIGINAL_PAIR);   /* Restore the old color settings */
 174         stty_ctdl(SB_RESTORE);  /* return the old terminal settings */
 175         /*
 176          * uncomment the following if you need to know why Citadel exited
 177         printf("*** Exit code %d at %s:%d\n", code, file, line);
 178         sleep(2);
 179          */
 180         exit(code);             /* exit with the proper exit code */
 181 }
 182
 183
 184
 185 /*
 186  * signal catching function for hangups...
 187  */
 188 void dropcarr(int signum)
 189 {
 190         logoff(NULL, 3);        /* No IPC when server's already gone! */
 191 }
 192
 193
 194
 195 /*
 196  * catch SIGCONT to reset terminal modes when were are put back into the
 197  * foreground.
 198  */
 199 void catch_sigcont(int signum)
 200 {
 201         stty_ctdl(SB_LAST);
 202         signal(SIGCONT, catch_sigcont);
 203 }
 204
 205
 206 /* general purpose routines */
 207
 208 /* display a file */
 209 void formout(CtdlIPC *ipc, char *name)
 210 {
 211         int r;                  /* IPC return code */
 212         char buf[SIZ];
 213         char *text = NULL;
 214
 215         r = CtdlIPCSystemMessage(ipc, name, &text, buf);
 216         if (r / 100 != 1) {
 217                 scr_printf("%s\n", buf);
 218                 return;
 219         }
 220         if (text) {
 221                 fmout(screenwidth, NULL, text, NULL,
 222                       ((userflags & US_PAGINATOR) ? 1 : 0),
 223                       screenheight, 1, 1);
 224                 free(text);
 225         }
 226 }
 227
 228
 229 void userlist(CtdlIPC *ipc, char *patn)
 230 {
 231         char buf[SIZ];
 232         char fl[SIZ];
 233         struct tm tmbuf;
 234         time_t lc;
 235         int r;                          /* IPC response code */
 236         char *listing = NULL;
 237
 238         r = CtdlIPCUserListing(ipc, patn, &listing, buf);
 239         if (r / 100 != 1) {
 240                 pprintf("%s\n", buf);
 241                 return;
 242         }
 243
 244         pprintf("       User Name           Num  L  LastCall  Calls Posts\n");
 245         pprintf("------------------------- ----- - ---------- ----- -----\n");
 246         if (listing != NULL) while (!IsEmptyStr(listing)) {
 247                 extract_token(buf, listing, 0, '\n', sizeof buf);
 248                 remove_token(listing, 0, '\n');
 249
 250                 if (sigcaught == 0) {
 251                     extract_token(fl, buf, 0, '|', sizeof fl);
 252                     if (pattern(fl, patn) >= 0) {
 253                         pprintf("%-25s ", fl);
 254                         pprintf("%5ld %d ", extract_long(buf, 2),
 255                                extract_int(buf, 1));
 256                         lc = extract_long(buf, 3);
 257                         localtime_r(&lc, &tmbuf);
 258                         pprintf("%02d/%02d/%04d ",
 259                                (tmbuf.tm_mon + 1),
 260                                tmbuf.tm_mday,
 261                                (tmbuf.tm_year + 1900));
 262                         pprintf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
 263                     }
 264
 265                 }
 266         }
 267         free(listing);
 268         pprintf("\n");
 269 }
 270
 271
 272 /*
 273  * grab assorted info about the user...
 274  */
 275 void load_user_info(char *params)
 276 {
 277         extract_token(fullname, params, 0, '|', sizeof fullname);
 278         axlevel = extract_int(params, 1);
 279         timescalled = extract_int(params, 2);
 280         posted = extract_int(params, 3);
 281         userflags = extract_int(params, 4);
 282         usernum = extract_long(params, 5);
 283         lastcall = extract_long(params, 6);
 284 }
 285
 286
 287 /*
 288  * Remove a room from the march list.  'floornum' is ignored unless
 289  * 'roomname' is set to _FLOOR_, in which case all rooms on the requested
 290  * floor will be removed from the march list.
 291  */
 292 void remove_march(char *roomname, int floornum)
 293 {
 294         struct march *mptr, *mptr2;
 295
 296         if (march == NULL)
 297                 return;
 298
 299         if ((!strcasecmp(march->march_name, roomname))
 300             || ((!strcasecmp(roomname, "_FLOOR_")) && (march->march_floor == floornum))) {
 301                 mptr = march->next;
 302                 free(march);
 303                 march = mptr;
 304                 return;
 305         }
 306         mptr2 = march;
 307         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 308
 309                 if ((!strcasecmp(mptr->march_name, roomname))
 310                     || ((!strcasecmp(roomname, "_FLOOR_"))
 311                         && (mptr->march_floor == floornum))) {
 312
 313                         mptr2->next = mptr->next;
 314                         free(mptr);
 315                         mptr = mptr2;
 316                 } else {
 317                         mptr2 = mptr;
 318                 }
 319         }
 320 }
 321
 322
 323 /*
 324  * Locate the room on the march list which we most want to go to.  Each room
 325  * is measured given a "weight" of preference based on various factors.
 326  */
 327 char *pop_march(int desired_floor, struct march *_march)
 328 {
 329         static char TheRoom[ROOMNAMELEN];
 330         int TheFloor = 0;
 331         int TheOrder = 32767;
 332         int TheWeight = 0;
 333         int weight;
 334         struct march *mptr = NULL;
 335
 336         strcpy(TheRoom, "_BASEROOM_");
 337         if (_march == NULL)
 338                 return (TheRoom);
 339
 340         for (mptr = _march; mptr != NULL; mptr = mptr->next) {
 341                 weight = 0;
 342                 if ((strcasecmp(mptr->march_name, "_BASEROOM_")))
 343                         weight = weight + 10000;
 344                 if (mptr->march_floor == desired_floor)
 345                         weight = weight + 5000;
 346
 347                 weight = weight + ((128 - (mptr->march_floor)) * 128);
 348                 weight = weight + (128 - (mptr->march_order));
 349
 350                 if (weight > TheWeight) {
 351                         TheWeight = weight;
 352                         strcpy(TheRoom, mptr->march_name);
 353                         TheFloor = mptr->march_floor;
 354                         TheOrder = mptr->march_order;
 355                 }
 356         }
 357         return (TheRoom);
 358 }
 359
 360
 361 /*
 362  * jump directly to a room
 363  */
 364 void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
 365 {
 366         char aaa[SIZ], bbb[SIZ];
 367         static long ls = 0L;
 368         int newmailcount = 0;
 369         int partial_match, best_match;
 370         char from_floor;
 371         int ugpos = uglistsize;
 372         int r;                          /* IPC result code */
 373         struct ctdlipcroom *room = NULL;
 374
 375         /* store ungoto information */
 376         if (fromungoto == 0) {
 377                 /* sloppy slide them all down, hey it's the client, who cares. :-) */
 378                 if (uglistsize >= (UGLISTLEN-1)) {
 379                         int lp;
 380                         free (uglist[0]);
 381                         for (lp = 0; lp < (UGLISTLEN-1); lp++) {
 382                                 uglist[lp] = uglist[lp+1];
 383                                 uglistlsn[lp] = uglistlsn[lp+1];
 384                         }
 385                         ugpos--;
 386                 } else {
 387                         uglistsize++;
 388                 }
 389
 390                 uglist[ugpos] = malloc(strlen(room_name)+1);
 391                 strcpy(uglist[ugpos], room_name);
 392                 uglistlsn[ugpos] = ls;
 393         }
 394
 395         /* first try an exact match */
 396         r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
 397         if (r / 10 == 54) {
 398                 newprompt("Enter room password: ", bbb, 9);
 399                 r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
 400                 if (r / 10 == 54) {
 401                         scr_printf("Wrong password.\n");
 402                         return;
 403                 }
 404         }
 405
 406         /*
 407          * If a match is not found, try a partial match.
 408          * Partial matches anywhere in the string carry a weight of 1,
 409          * left-aligned matches carry a weight of 2.  Pick the room that
 410          * has the highest-weighted match.  Do not match on forgotten
 411          * rooms.
 412          */
 413         if (r / 100 != 2) {
 414                 struct march *march = NULL;
 415
 416                 best_match = 0;
 417                 strcpy(bbb, "");
 418
 419                 r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
 420                 if (r / 100 == 1) {
 421                         /* Run the roomlist; free the data as we go */
 422                         struct march *mp = march;       /* Current */
 423
 424                         while (mp) {
 425                                 partial_match = 0;
 426                                 if (pattern(mp->march_name, towhere) >= 0) {
 427                                         partial_match = 1;
 428                                 }
 429                                 if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
 430                                         partial_match = 2;
 431                                 }
 432                                 if (partial_match > best_match) {
 433                                         strcpy(bbb, mp->march_name);
 434                                         best_match = partial_match;
 435                                 }
 436                                 /* Both pointers are NULL at end of list */
 437                                 march = mp->next;
 438                                 free(mp);
 439                                 mp = march;
 440                         }
 441                 }
 442
 443                 if (IsEmptyStr(bbb)) {
 444                         scr_printf("No room '%s'.\n", towhere);
 445                         return;
 446                 }
 447                 r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
 448         }
 449         if (r / 100 != 1 && r / 100 != 2) {
 450                 scr_printf("%s\n", aaa);
 451                 return;
 452         }
 453         safestrncpy(room_name, room->RRname, ROOMNAMELEN);
 454         room_flags = room->RRflags;
 455         room_flags2 = room->RRflags2;
 456         from_floor = curr_floor;
 457         curr_floor = room->RRfloor;
 458
 459         remove_march(room_name, 0);
 460         if (!strcasecmp(towhere, "_BASEROOM_"))
 461                 remove_march(towhere, 0);
 462         if (!room->RRunread)
 463                 next_lazy_cmd = 5;      /* Don't read new if no new msgs */
 464         if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
 465                 if (floorlist[(int) curr_floor][0] == 0)
 466                         load_floorlist(ipc);
 467                 scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
 468         }
 469         if (display_name == 1) {
 470                 color(BRIGHT_WHITE);
 471                 scr_printf("%s ", room_name);
 472                 color(DIM_WHITE);
 473                 scr_printf("- ");
 474         }
 475         if (display_name != 2) {
 476                 color(BRIGHT_YELLOW);
 477                 scr_printf("%d ", room->RRunread);
 478                 color(DIM_WHITE);
 479                 scr_printf("new of ");
 480                 color(BRIGHT_YELLOW);
 481                 scr_printf("%d ", room->RRtotal);
 482                 color(DIM_WHITE);
 483                 scr_printf("messages.\n");
 484         }
 485         highest_msg_read = room->RRlastread;
 486         maxmsgnum = room->RRhighest;
 487         is_mail = room->RRismailbox;
 488         is_room_aide = room->RRaide;
 489         ls = room->RRlastread;
 490
 491         /* read info file if necessary */
 492         if (room->RRinfoupdated > 0)
 493                 readinfo(ipc);
 494
 495         /* check for newly arrived mail if we can */
 496         newmailcount = room->RRnewmail;
 497         if (newmailcount > 0) {
 498                 color(BRIGHT_RED);
 499                 if (newmailcount == 1) {
 500                         scr_printf("*** A new mail message has arrived.\n");
 501                 }
 502                 else {
 503                         scr_printf("*** %d new mail messages have arrived.\n",
 504                                         newmailcount);
 505                 }
 506                 color(DIM_WHITE);
 507                 if (!IsEmptyStr(rc_gotmail_cmd)) {
 508                         system(rc_gotmail_cmd);
 509                 }
 510         }
 511         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location,
 512                         room_name, secure, newmailcount);
 513         free(room);
 514 }
 515
 516 /* Goto next room having unread messages.
 517  * We want to skip over rooms that the user has already been to, and take the
 518  * user back to the lobby when done.  The room we end up in is placed in
 519  * newroom - which is set to 0 (the lobby) initially.
 520  */
 521 void gotonext(CtdlIPC *ipc)
 522 {
 523         char buf[SIZ];
 524         struct march *mptr, *mptr2;
 525         char next_room[ROOMNAMELEN];
 526         int r;                          /* IPC response code */
 527
 528         /* Check to see if the march-mode list is already allocated.
 529          * If it is, pop the first room off the list and go there.
 530          */
 531         if (march == NULL) {
 532                 r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
 533                                         AllFloors, &march, buf);
 534
 535 /* add _BASEROOM_ to the end of the march list, so the user will end up
 536  * in the system base room (usually the Lobby>) at the end of the loop
 537  */
 538                 mptr = (struct march *) malloc(sizeof(struct march));
 539                 mptr->next = NULL;
 540                 mptr->march_order = 0;
 541                 mptr->march_floor = 0;
 542                 strcpy(mptr->march_name, "_BASEROOM_");
 543                 if (march == NULL) {
 544                         march = mptr;
 545                 } else {
 546                         mptr2 = march;
 547                         while (mptr2->next != NULL)
 548                                 mptr2 = mptr2->next;
 549                         mptr2->next = mptr;
 550                 }
 551 /*
 552  * ...and remove the room we're currently in, so a <G>oto doesn't make us
 553  * walk around in circles
 554  */
 555                 remove_march(room_name, 0);
 556         }
 557         if (march != NULL) {
 558                 strcpy(next_room, pop_march(curr_floor, march));
 559         } else {
 560                 strcpy(next_room, "_BASEROOM_");
 561         }
 562         remove_march(next_room, 0);
 563         dotgoto(ipc, next_room, 1, 0);
 564 }
 565
 566 /*
 567  * forget all rooms on a given floor
 568  */
 569 void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
 570 {
 571         char buf[SIZ];
 572         struct march *flist = NULL;
 573         struct march *fptr = NULL;
 574         struct ctdlipcroom *room = NULL;
 575         int r;                          /* IPC response code */
 576
 577         scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
 578         scr_flush();
 579         remove_march("_FLOOR_", ffloor);
 580         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
 581         if (r / 100 != 1) {
 582                 scr_printf("Error %d: %s\n", r, buf);
 583                 return;
 584         }
 585         while (flist) {
 586                 r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
 587                 if (r / 100 == 2) {
 588                         r = CtdlIPCForgetRoom(ipc, buf);
 589                         if (r / 100 != 2) {
 590                                 scr_printf("Error %d: %s\n", r, buf);
 591                         }
 592
 593                 }
 594                 fptr = flist;
 595                 flist = flist->next;
 596                 free(fptr);
 597         }
 598         if (room) free(room);
 599 }
 600
 601
 602 /*
 603  * routine called by gotofloor() to move to a new room on a new floor
 604  */
 605 void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
 606 {
 607         int floor_being_left;
 608
 609         floor_being_left = curr_floor;
 610
 611         if (mode == GF_GOTO) {          /* <;G>oto mode */
 612                 updatels(ipc);
 613                 dotgoto(ipc, towhere, 1, 0);
 614         }
 615         else if (mode == GF_SKIP) {     /* <;S>kip mode */
 616                 dotgoto(ipc, towhere, 1, 0);
 617                 remove_march("_FLOOR_", floor_being_left);
 618         }
 619         else if (mode == GF_ZAP) {      /* <;Z>ap mode */
 620                 dotgoto(ipc, towhere, 1, 0);
 621                 remove_march("_FLOOR_", floor_being_left);
 622                 forget_all_rooms_on(ipc, floor_being_left);
 623         }
 624 }
 625
 626
 627 /*
 628  * go to a new floor
 629  */
 630 void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
 631 {
 632         int a, tofloor;
 633         int r;          /* IPC response code */
 634         struct march *mptr;
 635         char buf[SIZ], targ[SIZ];
 636
 637         if (floorlist[0][0] == 0)
 638                 load_floorlist(ipc);
 639         tofloor = (-1);
 640         for (a = 0; a < 128; ++a)
 641                 if (!strcasecmp(&floorlist[a][0], towhere))
 642                         tofloor = a;
 643
 644         if (tofloor < 0) {
 645                 for (a = 0; a < 128; ++a) {
 646                         if (!strncasecmp(&floorlist[a][0], towhere, strlen(towhere))) {
 647                                 tofloor = a;
 648                         }
 649                 }
 650         }
 651         if (tofloor < 0) {
 652                 for (a = 0; a < 128; ++a)
 653                         if (pattern(towhere, &floorlist[a][0]) > 0)
 654                                 tofloor = a;
 655         }
 656         if (tofloor < 0) {
 657                 scr_printf("No floor '%s'.\n", towhere);
 658                 return;
 659         }
 660         for (mptr = march; mptr != NULL; mptr = mptr->next) {
 661                 if ((mptr->march_floor) == tofloor) {
 662                         gf_toroom(ipc, mptr->march_name, mode);
 663                         return;
 664                 }
 665         }
 666
 667         /* Find first known room on the floor */
 668
 669         strcpy(targ, "");
 670         mptr = NULL;
 671         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
 672         if (r / 100 == 1) {
 673                 struct march *tmp = mptr;
 674
 675                 /*. . . according to room order */
 676                 if (mptr)
 677             strcpy(targ, pop_march(tofloor, mptr));
 678                 while (mptr) {
 679                         tmp = mptr->next;
 680                         free(mptr);
 681                         mptr = tmp;
 682                 }
 683         }
 684         if (!IsEmptyStr(targ)) {
 685                 gf_toroom(ipc, targ, mode);
 686                 return;
 687         }
 688
 689         /* No known rooms on the floor; unzap the first one then */
 690
 691         strcpy(targ, "");
 692         mptr = NULL;
 693         r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
 694         if (r / 100 == 1) {
 695                 struct march *tmp = mptr;
 696
 697         /*. . . according to room order */
 698                 if (mptr)
 699                         strcpy(targ, pop_march(tofloor, mptr));
 700                 while (mptr) {
 701                         tmp = mptr->next;
 702                         free(mptr);
 703                         mptr = tmp;
 704                 }
 705         }
 706         if (!IsEmptyStr(targ)) {
 707                 gf_toroom(ipc, targ, mode);
 708         } else {
 709                 scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
 710         }
 711 }
 712
 713 /*
 714  * Indexing mechanism for a room list, called by gotoroomstep()
 715  */
 716 void room_tree_list_query(struct ctdlroomlisting *rp, char *findrmname, int findrmslot, char *rmname, int *rmslot, int *rmtotal)
 717 {
 718         char roomname[ROOMNAMELEN];
 719         static int cur_rmslot = 0;
 720
 721         if (rp == NULL) {
 722                 cur_rmslot = 0;
 723                 return;
 724         }
 725
 726         if (rp->lnext != NULL) {
 727                 room_tree_list_query(rp->lnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 728         }
 729
 730         if (sigcaught == 0) {
 731                 strcpy(roomname, rp->rlname);
 732
 733                 if (rmname != NULL) {
 734                         if (cur_rmslot == findrmslot) {
 735                                 strcpy(rmname, roomname);
 736                         }
 737                 }
 738                 if (rmslot != NULL) {
 739                         if (!strcmp(roomname, findrmname)) {
 740                                 *rmslot = cur_rmslot;
 741                         }
 742                 }
 743                 cur_rmslot++;
 744         }
 745
 746         if (rp->rnext != NULL) {
 747                 room_tree_list_query(rp->rnext, findrmname, findrmslot, rmname, rmslot, rmtotal);
 748         }
 749
 750         if ((rmname == NULL) && (rmslot == NULL))
 751                 free(rp);
 752
 753         if (rmtotal != NULL) {
 754                 *rmtotal = cur_rmslot;
 755         }
 756 }
 757
 758 /*
 759  * step through rooms on current floor
 760  */
 761 void  gotoroomstep(CtdlIPC *ipc, int direction, int mode)
 762 {
 763         struct march *listing = NULL;
 764         struct march *mptr;
 765         int r;          /* IPC response code */
 766         char buf[SIZ];
 767         struct ctdlroomlisting *rl = NULL;
 768         struct ctdlroomlisting *rp;
 769         struct ctdlroomlisting *rs;
 770         int list_it;
 771         char rmname[ROOMNAMELEN];
 772         int rmslot = 0;
 773         int rmtotal;
 774         struct ctdlroom *attr = NULL;
 775
 776         /* Fetch the existing room config */
 777         r = CtdlIPCGetRoomAttributes(ipc, &attr, buf);
 778         if (r / 100 != 2) {
 779                 scr_printf("%s\n", buf);
 780                 return;
 781         }
 782         strcpy (room_name , attr->QRname);
 783         free(attr);
 784
 785         /* Ask the server for a room list */
 786         r = CtdlIPCKnownRooms(ipc, SubscribedRooms, (-1), &listing, buf);
 787         if (r / 100 != 1) {
 788                 listing = NULL;
 789         }
 790
 791         load_floorlist(ipc);
 792
 793         for (mptr = listing; mptr != NULL; mptr = mptr->next) {
 794                 list_it = 1;
 795
 796                 if ( floor_mode
 797                          && (mptr->march_floor != curr_floor))
 798                         list_it = 0;
 799
 800                 if (list_it) {
 801                         rp = malloc(sizeof(struct ctdlroomlisting));
 802                         strncpy(rp->rlname, mptr->march_name, ROOMNAMELEN);
 803                         rp->rlflags = mptr->march_flags;
 804                         rp->rlfloor = mptr->march_floor;
 805                         rp->rlorder = mptr->march_order;
 806                         rp->lnext = NULL;
 807                         rp->rnext = NULL;
 808
 809                         rs = rl;
 810                         if (rl == NULL) {
 811                                 rl = rp;
 812                         } else {
 813                                 while (rp != NULL) {
 814                                         if (rordercmp(rp, rs) < 0) {
 815                                                 if (rs->lnext == NULL) {
 816                                                         rs->lnext = rp;
 817                                                         rp = NULL;
 818                                                 } else {
 819                                                         rs = rs->lnext;
 820                                                 }
 821                                         } else {
 822                                                 if (rs->rnext == NULL) {
 823                                                         rs->rnext = rp;
 824                                                         rp = NULL;
 825                                                 } else {
 826                                                         rs = rs->rnext;
 827                                                 }
 828                                         }
 829                                 }
 830                         }
 831                 }
 832         }
 833
 834         /* Find position of current room */
 835         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 836         room_tree_list_query(rl,  room_name, 0, NULL, &rmslot, &rmtotal);
 837
 838         if (direction == 0) { /* Previous room */
 839                 /* If we're at the first room, wrap to the last room */
 840                 if (rmslot == 0) {
 841                         rmslot = rmtotal - 1;
 842                 } else {
 843                         rmslot--;
 844                 }
 845         } else {                 /* Next room */
 846                 /* If we're at the last room, wrap to the first room */
 847                 if (rmslot == rmtotal - 1) {
 848                         rmslot = 0;
 849                 } else {
 850                         rmslot++;
 851                 }
 852         }
 853
 854         /* Get name of next/previous room */
 855         room_tree_list_query(NULL, NULL, 0, NULL, NULL, NULL);
 856         room_tree_list_query(rl,  NULL, rmslot, rmname, NULL, NULL);
 857
 858         /* Free the tree */
 859         room_tree_list_query(rl, NULL, 0, NULL, NULL, NULL);
 860
 861         if (mode == 0) { /* not skipping */
 862             updatels(ipc);
 863         } else {
 864                 if (rc_alt_semantics) {
 865                 updatelsa(ipc);
 866                 }
 867         }
 868
 869         /* Free the room list */
 870         while (listing) {
 871                 mptr = listing->next;
 872                 free(listing);
 873                 listing = mptr;
 874         };
 875
 876         dotgoto(ipc, rmname, 1, 0);
 877 }
 878
 879
 880 /*
 881  * step through floors on system
 882  */
 883 void  gotofloorstep(CtdlIPC *ipc, int direction, int mode)
 884 {
 885         int  tofloor;
 886
 887         if (floorlist[0][0] == 0)
 888                 load_floorlist(ipc);
 889
 890         empty_keep_going:
 891
 892         if (direction == 0) { /* Previous floor */
 893                 if (curr_floor) tofloor = curr_floor - 1;
 894                 else tofloor = 127;
 895
 896                 while (!floorlist[tofloor][0]) tofloor--;
 897         } else {                   /* Next floor */
 898                 if (curr_floor < 127) tofloor = curr_floor + 1;
 899                 else tofloor = 0;
 900
 901                 while (!floorlist[tofloor][0] && tofloor < 127) tofloor++;
 902                 if (!floorlist[tofloor][0])     tofloor = 0;
 903         }
 904         /* ;g works when not in floor mode so . . . */
 905         if (!floor_mode) {
 906                 scr_printf("(%s)\n", floorlist[tofloor] );
 907         }
 908
 909         gotofloor(ipc, floorlist[tofloor], mode);
 910         if (curr_floor != tofloor) { /* gotofloor failed */
 911              curr_floor = tofloor;
 912              goto empty_keep_going;
 913         }
 914 }
 915
 916 /*
 917  * Display user 'preferences'.
 918  */
 919 extern int rc_prompt_control;
 920 void read_config(CtdlIPC *ipc)
 921 {
 922         char buf[SIZ];
 923         char *resp = NULL;
 924         int r;                  /* IPC response code */
 925     char _fullname[USERNAME_SIZE];
 926         long _usernum;
 927         int _axlevel, _timescalled, _posted;
 928         time_t _lastcall;
 929         struct ctdluser *user = NULL;
 930
 931         /* get misc user info */
 932         r = CtdlIPCGetBio(ipc, fullname, &resp, buf);
 933         if (r / 100 != 1) {
 934                 pprintf("%s\n", buf);
 935                 return;
 936         }
 937         extract_token(_fullname, buf, 1, '|', sizeof fullname);
 938         _usernum = extract_long(buf, 2);
 939         _axlevel = extract_int(buf, 3);
 940         _lastcall = extract_long(buf, 4);
 941     _timescalled = extract_int(buf, 5);
 942         _posted = extract_int(buf, 6);
 943         free(resp);
 944         resp = NULL;
 945
 946         /* get preferences */
 947         r = CtdlIPCGetConfig(ipc, &user, buf);
 948         if (r / 100 != 2) {
 949                 scr_printf("%s\n", buf);
 950                 free(user);
 951                 return;
 952         }
 953
 954         /* show misc user info */
 955         scr_printf("%s\nAccess level: %d (%s)\n"
 956                    "User #%ld / %d Calls / %d Posts",
 957                    _fullname, _axlevel, axdefs[(int) _axlevel],
 958                    _usernum, _timescalled, _posted);
 959         if (_lastcall > 0L) {
 960                 scr_printf(" / Curr login: %s",
 961                            asctime(localtime(&_lastcall)));
 962         }
 963         scr_printf("\n");
 964
 965         /* show preferences */
 966         scr_printf("Your screen width: ");                                     color(BRIGHT_CYAN); scr_printf("%d",   /*user->USscreenwidth*/ screenwidth);          color(DIM_WHITE);
 967         scr_printf(", height: ");                                              color(BRIGHT_CYAN); scr_printf("%d\n", /*user->USscreenheight*/ screenheight);        color(DIM_WHITE);
 968         scr_printf("Are you an experienced Citadel user: ");                   color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_EXPERT) ? "Yes" : "No");     color(DIM_WHITE);
 969         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);
 970         scr_printf("Prompt after each message: ");                             color(BRIGHT_CYAN); scr_printf("%s\n", (!(user->flags & US_NOPROMPT))? "Yes" : "No"); color(DIM_WHITE);
 971         if ((user->flags & US_NOPROMPT) == 0) {
 972         scr_printf("Use 'disappearing' prompts: ");                        color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_DISAPPEAR)? "Yes" : "No");   color(DIM_WHITE);
 973         }
 974         scr_printf("Pause after each screenful of text: ");                    color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_PAGINATOR)? "Yes" : "No");   color(DIM_WHITE);
 975     if (rc_prompt_control == 3 && (user->flags & US_PAGINATOR)) {
 976         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);
 977         }
 978     if (rc_floor_mode == RC_DEFAULT) {
 979         scr_printf("View rooms by floor: ");                               color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_FLOORS)? "Yes" : "No");          color(DIM_WHITE);
 980         }
 981         if (rc_ansi_color == 3) {
 982             scr_printf("Enable color support: ");                              color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_COLOR)? "Yes" : "No");       color(DIM_WHITE);
 983         }
 984         scr_printf("Be unlisted in userlog: ");                                color(BRIGHT_CYAN); scr_printf("%s\n", (user->flags & US_UNLISTED)? "Yes" : "No");    color(DIM_WHITE);
 985         if (!IsEmptyStr(editor_paths[0])) {
 986         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);
 987         }
 988         free(user);
 989 }
 990
 991 /*
 992  * Display system statistics.
 993  */
 994 void system_info(CtdlIPC *ipc)
 995 {
 996         char buf[SIZ];
 997         char *resp = NULL;
 998         size_t bytes;
 999         int mrtg_users, mrtg_active_users;
1000         char mrtg_server_uptime[40];
1001         long mrtg_himessage;
1002         int ret;                        /* IPC response code */
1003
1004         /* get #users, #active & server uptime */
1005         ret = CtdlIPCGenericCommand(ipc, "MRTG|users", NULL, 0, &resp, &bytes, buf);
1006         mrtg_users = extract_int(resp, 0);
1007         remove_token(resp, 0, '\n');
1008         mrtg_active_users = extract_int(resp, 0);
1009         remove_token(resp, 0, '\n');
1010         extract_token(mrtg_server_uptime, resp, 0, '\n', sizeof mrtg_server_uptime);
1011     free(resp);
1012         resp = NULL;
1013
1014         /* get high message# */
1015         ret = CtdlIPCGenericCommand(ipc, "MRTG|messages", NULL, 0, &resp, &bytes, buf);
1016         mrtg_himessage = extract_long(resp, 0);
1017         free(resp);
1018         resp = NULL;
1019
1020         /* refresh server info just in case */
1021         CtdlIPCServerInfo(ipc, buf);
1022
1023         scr_printf("You are connected to %s (%s) @%s\n", ipc->ServInfo.nodename, ipc->ServInfo.humannode, ipc->ServInfo.fqdn);
1024         scr_printf("running %s with text client v%.2f,\n", ipc->ServInfo.software, (float)REV_LEVEL/100);
1025     scr_printf("and located in %s.\n", ipc->ServInfo.site_location);
1026     scr_printf("Connected users %d / Active users %d / Highest message #%ld\n", mrtg_users, mrtg_active_users, mrtg_himessage);
1027     scr_printf("Server uptime: %s\n", mrtg_server_uptime);
1028     scr_printf("Your system administrator is %s.\n", ipc->ServInfo.sysadm);
1029     scr_printf("Copyright (C)1987-2007 by the Citadel development team\n");
1030 }
1031
1032 /*
1033  * forget all rooms on current floor
1034  */
1035 void forget_this_floor(CtdlIPC *ipc)
1036 {
1037         if (curr_floor == 0) {
1038                 scr_printf("Can't forget this floor.\n");
1039                 return;
1040         }
1041         if (floorlist[0][0] == 0) {
1042                 load_floorlist(ipc);
1043         }
1044         scr_printf("Are you sure you want to forget all rooms on %s? ",
1045                &floorlist[(int) curr_floor][0]);
1046         if (yesno() == 0) {
1047                 return;
1048         }
1049
1050         gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
1051 }
1052
1053
1054 /*
1055  * Figure out the physical screen dimensions, if we can
1056  * WARNING:  this is now called from a signal handler!
1057  */
1058 void check_screen_dims(void)
1059 {
1060 #ifdef TIOCGWINSZ
1061         struct {
1062                 unsigned short height;  /* rows */
1063                 unsigned short width;   /* columns */
1064                 unsigned short xpixels;
1065                 unsigned short ypixels;         /* pixels */
1066         } xwinsz;
1067
1068         if (have_xterm) {       /* dynamically size screen if on an xterm */
1069                 if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
1070                         if (xwinsz.height)
1071                                 screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
1072                         if (xwinsz.width)
1073                                 screenwidth = (int) xwinsz.width;
1074                 }
1075         }
1076 #endif
1077 }
1078
1079
1080 /*
1081  * set floor mode depending on client, server, and user settings
1082  */
1083 void set_floor_mode(CtdlIPC* ipc)
1084 {
1085         if (ipc->ServInfo.ok_floors == 0) {
1086                 floor_mode = 0; /* Don't use floors if the server */
1087         }
1088         /* doesn't support them!          */
1089         else {
1090                 if (rc_floor_mode == RC_NO) {   /* never use floors */
1091                         floor_mode = 0;
1092                 }
1093                 if (rc_floor_mode == RC_YES) {  /* always use floors */
1094                         floor_mode = 1;
1095                 }
1096                 if (rc_floor_mode == RC_DEFAULT) {      /* user choice */
1097                         floor_mode = ((userflags & US_FLOORS) ? 1 : 0);
1098                 }
1099         }
1100 }
1101
1102 /*
1103  * Set or change the user's password
1104  */
1105 int set_password(CtdlIPC *ipc)
1106 {
1107         char pass1[20];
1108         char pass2[20];
1109         char buf[SIZ];
1110
1111         if (!IsEmptyStr(rc_password)) {
1112                 strcpy(pass1, rc_password);
1113                 strcpy(pass2, rc_password);
1114         } else {
1115                 IFNEXPERT formout(ipc, "changepw");
1116                 newprompt("Enter a new password: ", pass1, -19);
1117                 newprompt("Enter it again to confirm: ", pass2, -19);
1118         }
1119         strproc(pass1);
1120         strproc(pass2);
1121         if (!strcasecmp(pass1, pass2)) {
1122                 CtdlIPCChangePassword(ipc, pass1, buf);
1123                 scr_printf("%s\n", buf);
1124                 offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
1125                 return (0);
1126         } else {
1127                 scr_printf("*** They don't match... try again.\n");
1128                 return (1);
1129         }
1130 }
1131
1132
1133
1134 /*
1135  * get info about the server we've connected to
1136  */
1137 void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
1138 {
1139         char buf[SIZ];
1140
1141         CtdlIPCServerInfo(ipc, buf);
1142
1143         /* be nice and identify ourself to the server */
1144         CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
1145                  (ipc->isLocal ? "local" : CITADEL),
1146                  (supplied_hostname) ? supplied_hostname :
1147                  /* Look up the , in the bible if you're confused */
1148                  (locate_host(ipc, buf), buf), buf);
1149
1150         /*
1151          * Tell the server what our preferred content formats are.
1152          *
1153          * Originally we preferred HTML over plain text because we can format
1154          * it to the reader's screen width, but since our HTML-to-text parser
1155          * isn't really all that great, it's probably better to just go with
1156          * the plain text when we have it available.
1157          */
1158         if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/plain|text/html") / 100 )== 2) {
1159                 can_do_msg4 = 1;
1160         }
1161 }
1162
1163
1164
1165 /*
1166  * Record compare function for SortOnlineUsers()
1167  */
1168 int idlecmp(const void *rec1, const void *rec2) {
1169         time_t i1, i2;
1170
1171         i1 = extract_long(rec1, 5);
1172         i2 = extract_long(rec2, 5);
1173
1174         if (i1 < i2) return(1);
1175         if (i1 > i2) return(-1);
1176         return(0);
1177 }
1178
1179
1180 /*
1181  * Sort the list of online users by idle time.
1182  * This function frees the supplied buffer, and returns a new one
1183  * to the caller.  The caller is responsible for freeing the returned buffer.
1184  */
1185 char *SortOnlineUsers(char *listing) {
1186         int rows;
1187         char *sortbuf;
1188         char *retbuf;
1189         char buf[SIZ];
1190         int i;
1191
1192         rows = num_tokens(listing, '\n');
1193         sortbuf = malloc(rows * SIZ);
1194         if (sortbuf == NULL) return(listing);
1195         retbuf = malloc(rows * SIZ);
1196         if (retbuf == NULL) {
1197                 free(sortbuf);
1198                 return(listing);
1199         }
1200
1201         /* Copy the list into a fixed-record-size array for sorting */
1202         for (i=0; i<rows; ++i) {
1203                 memset(buf, 0, SIZ);
1204                 extract_token(buf, listing, i, '\n', sizeof buf);
1205                 memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
1206         }
1207
1208         /* Do the sort */
1209         qsort(sortbuf, rows, SIZ, idlecmp);
1210
1211         /* Copy back to a \n delimited list */
1212         strcpy(retbuf, "");
1213         for (i=0; i<rows; ++i) {
1214                 strcat(retbuf, &sortbuf[i*SIZ]);
1215                 if (i<(rows-1)) strcat(retbuf, "\n");
1216         }
1217     free(listing);
1218     free(sortbuf);
1219         return(retbuf);
1220 }
1221
1222
1223
1224 /*
1225  * Display list of users currently logged on to the server
1226  */
1227 void who_is_online(CtdlIPC *ipc, int longlist)
1228 {
1229         char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
1230         char flags[SIZ];
1231         char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
1232         char clientsoft[SIZ];
1233         time_t timenow = 0;
1234         time_t idletime, idlehours, idlemins, idlesecs;
1235         int last_session = (-1);
1236         int skipidle = 0;
1237         char *listing = NULL;
1238         int r;                          /* IPC response code */
1239
1240         if (longlist == 2) {
1241                 longlist = 0;
1242                 skipidle = 1;
1243         }
1244
1245         if (!longlist) {
1246                 color(BRIGHT_WHITE);
1247                 pprintf("           User Name               Room          ");
1248                 if (screenwidth >= 80) pprintf(" Idle        From host");
1249                 pprintf("\n");
1250                 color(DIM_WHITE);
1251                 pprintf("   ------------------------- --------------------");
1252                 if (screenwidth >= 80) pprintf(" ---- ------------------------");
1253                 pprintf("\n");
1254         }
1255         r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
1256         listing = SortOnlineUsers(listing);
1257         if (r / 100 == 1) {
1258                 while (!IsEmptyStr(listing)) {
1259                         int isidle = 0;
1260
1261                         /* Get another line */
1262                         extract_token(buf, listing, 0, '\n', sizeof buf);
1263                         remove_token(listing, 0, '\n');
1264
1265                         extract_token(username, buf, 1, '|', sizeof username);
1266                         extract_token(roomname, buf, 2, '|', sizeof roomname);
1267                         extract_token(fromhost, buf, 3, '|', sizeof fromhost);
1268                         extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
1269                         extract_token(flags, buf, 7, '|', sizeof flags);
1270
1271                         idletime = timenow - extract_long(buf, 5);
1272                         idlehours = idletime / 3600;
1273                         idlemins = (idletime - (idlehours * 3600)) / 60;
1274                         idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
1275
1276                         if (idletime > rc_idle_threshold) {
1277                                 if (skipidle) {
1278                                         isidle = 1;
1279                                 }
1280                         }
1281
1282                         if (longlist) {
1283                                 extract_token(actual_user, buf, 8, '|', sizeof actual_user);
1284                                 extract_token(actual_room, buf, 9, '|', sizeof actual_room);
1285                                 extract_token(actual_host, buf, 10, '|', sizeof actual_host);
1286
1287                                 pprintf("  Flags: %s\n", flags);
1288                                 pprintf("Session: %d\n", extract_int(buf, 0));
1289                                 pprintf("   Name: %s\n", username);
1290                                 pprintf("In room: %s\n", roomname);
1291                                 pprintf("   Host: %s\n", fromhost);
1292                                 pprintf(" Client: %s\n", clientsoft);
1293                                 pprintf("   Idle: %ld:%02ld:%02ld\n",
1294                                         (long) idlehours,
1295                                         (long) idlemins,
1296                                         (long) idlesecs);
1297
1298                                 if ( (!IsEmptyStr(actual_user)&&
1299                                       !IsEmptyStr(actual_room)&&
1300                                       !IsEmptyStr(actual_host))) {
1301                                         pprintf("(really ");
1302                                         if (!IsEmptyStr(actual_user)) pprintf("<%s> ", actual_user);
1303                                         if (!IsEmptyStr(actual_room)) pprintf("in <%s> ", actual_room);
1304                                         if (!IsEmptyStr(actual_host)) pprintf("from <%s> ", actual_host);
1305                                         pprintf(")\n");
1306                                 }
1307                                 pprintf("\n");
1308
1309                         } else {
1310                                 if (isidle == 0) {
1311                                         if (extract_int(buf, 0) == last_session) {
1312                                                 pprintf("        ");
1313                                         }
1314                                         else {
1315                                                 color(BRIGHT_MAGENTA);
1316                                                 pprintf("%-3s", flags);
1317                                         }
1318                                         last_session = extract_int(buf, 0);
1319                                         color(BRIGHT_CYAN);
1320                                         pprintf("%-25s ", username);
1321                                         color(BRIGHT_MAGENTA);
1322                                         roomname[20] = 0;
1323                                         pprintf("%-20s", roomname);
1324
1325                                         if (screenwidth >= 80) {
1326                                                 pprintf(" ");
1327                                                 if (idletime > rc_idle_threshold) {
1328                                                         /* over 1000d, must be gone fishing */
1329                                                         if (idlehours > 23999) {
1330                                                                 pprintf("fish");
1331                                                         /* over 10 days */
1332                                                         } else if (idlehours > 239) {
1333                                                                 pprintf("%3ldd", idlehours / 24);
1334                                                         /* over 10 hours */
1335                                                         } else if (idlehours > 9) {
1336                                                                 pprintf("%1ldd%02ld",
1337                                                                         idlehours / 24,
1338                                                                         idlehours % 24);
1339                                                         /* less than 10 hours */
1340                                                         }
1341                                                         else {
1342                                                                 pprintf("%1ld:%02ld", idlehours, idlemins);
1343                                                         }
1344                                                 }
1345                                                 else {
1346                                                         pprintf("    ");
1347                                                 }
1348                                                 pprintf(" ");
1349                                                 color(BRIGHT_CYAN);
1350                                                 fromhost[24] = '\0';
1351                                                 pprintf("%-24s", fromhost);
1352                                         }
1353                                         pprintf("\n");
1354                                         color(DIM_WHITE);
1355                                 }
1356                         }
1357                 }
1358         }
1359         free(listing);
1360 }
1361
1362 void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
1363 {
1364         char bbb[128];
1365         snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
1366         newprompt(bbb, buf, maxlen);
1367 }
1368
1369
1370
1371 int shift(int argc, char **argv, int start, int count) {
1372         int i;
1373
1374         for (i=start; i<(argc-count); ++i) {
1375                 argv[i] = argv[i+count];
1376         }
1377         argc = argc - count;
1378         return argc;
1379 }
1380
1381 static void statusHook(char *s) {
1382         sln_printf(s);
1383         sln_flush();
1384 }
1385
1386 /*
1387  * main
1388  */
1389 int main(int argc, char **argv)
1390 {
1391         int a, b, mcmd;
1392         char aaa[100], bbb[100];/* general purpose variables */
1393         char argbuf[64];        /* command line buf */
1394         char nonce[NONCE_SIZE];
1395         char *telnet_client_host = NULL;
1396         char *sptr, *sptr2;     /* USed to extract the nonce */
1397         char hexstring[MD5_HEXSTRING_SIZE];
1398         int stored_password = 0;
1399         char password[SIZ];
1400         struct ctdlipcmisc chek;
1401         struct ctdluser *myself = NULL;
1402         CtdlIPC* ipc;                   /* Our server connection */
1403         int r;                          /* IPC result code */
1404
1405         int relh=0;
1406         int home=0;
1407         char relhome[PATH_MAX]="";
1408         char ctdldir[PATH_MAX]=CTDLDIR;
1409     int lp;
1410 #ifdef HAVE_BACKTRACE
1411         eCrashParameters params;
1412 //      eCrashSymbolTable symbol_table;
1413 #endif
1414         CtdlInitBase64Table();
1415         calc_dirs_n_files(relh, home, relhome, ctdldir);
1416
1417 #ifdef HAVE_BACKTRACE
1418         bzero(&params, sizeof(params));
1419         params.filename = file_pid_paniclog;
1420 //      panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
1421         params.filep = fopen(file_pid_paniclog, "a+");
1422         params.debugLevel = ECRASH_DEBUG_VERBOSE;
1423         params.dumpAllThreads = TRUE;
1424         params.useBacktraceSymbols = 1;
1425 ///     BuildSymbolTable(&symbol_table);
1426 //      params.symbolTable = &symbol_table;
1427         params.signals[0]=SIGSEGV;
1428         params.signals[1]=SIGILL;
1429         params.signals[2]=SIGBUS;
1430         params.signals[3]=SIGABRT;
1431
1432         eCrash_Init(&params);
1433 #endif
1434         setIPCDeathHook(screen_delete);
1435         setIPCErrorPrintf(err_printf);
1436         setCryptoStatusHook(statusHook);
1437
1438         /* Permissions sanity check - don't run citadel setuid/setgid */
1439         if (getuid() != geteuid()) {
1440                 err_printf("Please do not run citadel setuid!\n");
1441                 logoff(NULL, 3);
1442         } else if (getgid() != getegid()) {
1443                 err_printf("Please do not run citadel setgid!\n");
1444                 logoff(NULL, 3);
1445         }
1446
1447         stty_ctdl(SB_SAVE);     /* Store the old terminal parameters */
1448         load_command_set();     /* parse the citadel.rc file */
1449         stty_ctdl(SB_NO_INTR);  /* Install the new ones */
1450         /* signal(SIGHUP, dropcarr);FIXME */    /* Cleanup gracefully if carrier is dropped */
1451         signal(SIGPIPE, dropcarr);      /* Cleanup gracefully if local conn. dropped */
1452         signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
1453         signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
1454 #ifdef SIGWINCH
1455         signal(SIGWINCH, scr_winch);    /* Window resize signal */
1456 #endif
1457
1458 #ifdef HAVE_OPENSSL
1459         arg_encrypt = RC_DEFAULT;
1460 #endif
1461 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1462         arg_screen = RC_DEFAULT;
1463 #endif
1464
1465         /*
1466          * Handle command line options as if we were called like /bin/login
1467          * (i.e. from in.telnetd)
1468          */
1469         for (a=0; a<argc; ++a) {
1470                 if ((argc > a+1) && (!strcmp(argv[a], "-h")) ) {
1471                         telnet_client_host = argv[a+1];
1472                         argc = shift(argc, argv, a, 2);
1473                 }
1474                 if (!strcmp(argv[a], "-x")) {
1475 #ifdef HAVE_OPENSSL
1476                         arg_encrypt = RC_NO;
1477 #endif
1478                         argc = shift(argc, argv, a, 1);
1479                 }
1480                 if (!strcmp(argv[a], "-X")) {
1481 #ifdef HAVE_OPENSSL
1482                         arg_encrypt = RC_YES;
1483                         argc = shift(argc, argv, a, 1);
1484 #else
1485                         fprintf(stderr, "Not compiled with encryption support");
1486                         return 1;
1487 #endif
1488                 }
1489                 if (!strcmp(argv[a], "-s")) {
1490 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1491                         arg_screen = RC_NO;
1492 #endif
1493                         argc = shift(argc, argv, a, 1);
1494                 }
1495                 if (!strcmp(argv[a], "-S")) {
1496 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1497                         arg_screen = RC_YES;
1498 #endif
1499                         argc = shift(argc, argv, a, 1);
1500                 }
1501                 if (!strcmp(argv[a], "-p")) {
1502                         struct stat st;
1503
1504                         if (chdir(CTDLDIR) < 0) {
1505                                 perror("can't change to " CTDLDIR);
1506                                 logoff(NULL, 3);
1507                         }
1508
1509                         /*
1510                          * Drop privileges if necessary. We stat
1511                          * citadel.config to get the uid/gid since it's
1512                          * guaranteed to have the uid/gid we want.
1513                          */
1514                         if (!getuid() || !getgid()) {
1515                                 if (stat(file_citadel_config, &st) < 0) {
1516                                         perror("couldn't stat citadel.config");
1517                                         logoff(NULL, 3);
1518                                 }
1519                                 if (!getgid() && (setgid(st.st_gid) < 0)) {
1520                                         perror("couldn't change gid");
1521                                         logoff(NULL, 3);
1522                                 }
1523                                 if (!getuid() && (setuid(st.st_uid) < 0)) {
1524                                         perror("couldn't change uid");
1525                                         logoff(NULL, 3);
1526                                 }
1527                                 /*
1528                                   scr_printf("Privileges changed to uid %d gid %d\n",
1529                                   getuid(), getgid());
1530                                 */
1531                         }
1532                         argc = shift(argc, argv, a, 1);
1533                 }
1534         }
1535
1536
1537         screen_new();
1538
1539 #ifdef __CYGWIN__
1540         newprompt("Connect to (return for local server): ", hostbuf, 64);
1541 #endif
1542
1543         sln_printf("Attaching to server... \r");
1544         sln_flush();
1545         ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
1546         if (!ipc) {
1547                 screen_delete();
1548                 error_printf("Can't connect: %s\n", strerror(errno));
1549                 logoff(NULL, 3);
1550         }
1551 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
1552         CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
1553 #endif
1554         ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
1555
1556         CtdlIPC_chat_recv(ipc, aaa);
1557         if (aaa[0] != '2') {
1558                 scr_printf("%s\n", &aaa[4]);
1559                 logoff(ipc, atoi(aaa));
1560         }
1561
1562         /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
1563          * is zeroized.
1564          */
1565
1566         if ((sptr = strchr(aaa, '<')) == NULL)
1567                 {
1568                         nonce[0] = '\0';
1569                 }
1570         else
1571                 {
1572                         if ((sptr2 = strchr(sptr, '>')) == NULL)
1573                                 {
1574                                         nonce[0] = '\0';
1575                                 }
1576                         else
1577                                 {
1578                                         sptr2++;
1579                                         *sptr2 = '\0';
1580                                         strncpy(nonce, sptr, (size_t)NONCE_SIZE);
1581                                 }
1582                 }
1583
1584 #ifdef HAVE_OPENSSL
1585         /* Evaluate encryption preferences */
1586         if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
1587                 if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
1588                         secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
1589                         if (!secure)
1590                                 error_printf("Can't encrypt: %s\n", aaa);
1591                 }
1592         }
1593 #endif
1594
1595         get_serv_info(ipc, telnet_client_host);
1596         scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
1597                    ipc->ServInfo.site_location);
1598         scr_flush();
1599
1600         status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location, NULL,
1601                     secure, -1);
1602
1603         screenwidth = 80;       /* default screen dimensions */
1604         screenheight = 24;
1605
1606         scr_printf(" pause    next    stop\n");
1607         scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
1608         formout(ipc, "hello");  /* print the opening greeting */
1609         scr_printf("\n");
1610
1611  GSTA:  /* See if we have a username and password on disk */
1612         if (rc_remember_passwords) {
1613                 get_stored_password(hostbuf, portbuf, fullname, password);
1614                 if (!IsEmptyStr(fullname)) {
1615                         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1616                         if (r / 100 == 3) {
1617                                 if (*nonce) {
1618                                         r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1619                                 } else {
1620                                         r = CtdlIPCTryPassword(ipc, password, aaa);
1621                                 }
1622                         }
1623
1624                         if (r / 100 == 2) {
1625                                 load_user_info(aaa);
1626                                 stored_password = 1;
1627                                 goto PWOK;
1628                         } else {
1629                                 set_stored_password(hostbuf, portbuf, "", "");
1630                         }
1631                 }
1632         }
1633
1634         termn8 = 0;
1635         newnow = 0;
1636         do {
1637                 if (!IsEmptyStr(rc_username)) {
1638                         strcpy(fullname, rc_username);
1639                 } else {
1640                         newprompt("Enter your name: ", fullname, 29);
1641                 }
1642                 strproc(fullname);
1643                 if (!strcasecmp(fullname, "new")) {     /* just in case */
1644                         scr_printf("Please enter the name you wish to log in with.\n");
1645                 }
1646         } while (
1647                  (!strcasecmp(fullname, "bbs"))
1648                  || (!strcasecmp(fullname, "new"))
1649                  || (IsEmptyStr(fullname)));
1650
1651         if (!strcasecmp(fullname, "off")) {
1652                 mcmd = 29;
1653                 goto TERMN8;
1654         }
1655         /* sign on to the server */
1656         r = CtdlIPCTryLogin(ipc, fullname, aaa);
1657         if (r / 100 != 3)
1658                 goto NEWUSR;
1659
1660         /* password authentication */
1661         if (!IsEmptyStr(rc_password)) {
1662                 strcpy(password, rc_password);
1663         } else {
1664                 newprompt("\rPlease enter your password: ", password, -19);
1665         }
1666         strproc(password);
1667
1668         if (*nonce) {
1669                 r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
1670         } else {
1671                 r = CtdlIPCTryPassword(ipc, password, aaa);
1672         }
1673
1674         if (r / 100 == 2) {
1675                 load_user_info(aaa);
1676                 offer_to_remember_password(ipc, hostbuf, portbuf,
1677                                            fullname, password);
1678                 goto PWOK;
1679         }
1680         scr_printf("<< wrong password >>\n");
1681         if (!IsEmptyStr(rc_password))
1682                 logoff(ipc, 2);
1683         goto GSTA;
1684
1685 NEWUSR: if (IsEmptyStr(rc_password)) {
1686                 scr_printf("'%s' not found.\n", fullname);
1687                 scr_printf("Type 'off' if you would like to exit.\n");
1688                 if (ipc->ServInfo.newuser_disabled == 1) {
1689                         goto GSTA;
1690                 }
1691                 scr_printf("Do you want to create a new user account called '%s'? ",
1692                         fullname);
1693                 if (yesno() == 0) {
1694                         goto GSTA;
1695                 }
1696         }
1697
1698         r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
1699         if (r / 100 != 2) {
1700                 scr_printf("%s\n", aaa);
1701                 goto GSTA;
1702         }
1703         load_user_info(aaa);
1704
1705         while (set_password(ipc) != 0);
1706         newnow = 1;
1707
1708         enter_config(ipc, 1);
1709
1710  PWOK:
1711         /* Switch color support on or off if we're in user mode */
1712         if (rc_ansi_color == 3) {
1713                 if (userflags & US_COLOR)
1714                         enable_color = 1;
1715                 else
1716                         enable_color = 0;
1717         }
1718
1719         color(BRIGHT_WHITE);
1720         scr_printf("\n%s\nAccess level: %d (%s)\n"
1721                    "User #%ld / Login #%d",
1722                    fullname, axlevel, axdefs[(int) axlevel],
1723                    usernum, timescalled);
1724         if (lastcall > 0L) {
1725                 scr_printf(" / Last login: %s",
1726                            asctime(localtime(&lastcall)));
1727         }
1728         scr_printf("\n");
1729
1730         r = CtdlIPCMiscCheck(ipc, &chek, aaa);
1731         if (r / 100 == 2) {
1732                 b = chek.newmail;
1733                 if (b > 0) {
1734                         color(BRIGHT_RED);
1735                         if (b == 1)
1736                                 scr_printf("*** You have a new private message in Mail>\n");
1737                         if (b > 1)
1738                                 scr_printf("*** You have %d new private messages in Mail>\n", b);
1739                         color(DIM_WHITE);
1740                         if (!IsEmptyStr(rc_gotmail_cmd)) {
1741                                 system(rc_gotmail_cmd);
1742                         }
1743                 }
1744                 if ((axlevel >= 6) && (chek.needvalid > 0)) {
1745                         scr_printf("*** Users need validation\n");
1746                 }
1747                 if (chek.needregis > 0) {
1748                         scr_printf("*** Please register.\n");
1749                         formout(ipc, "register");
1750                         entregis(ipc);
1751                 }
1752         }
1753         /* Make up some temporary filenames for use in various parts of the
1754          * program.  Don't mess with these once they've been set, because we
1755          * will be unlinking them later on in the program and we don't
1756          * want to delete something that we didn't create. */
1757         CtdlMakeTempFileName(temp, sizeof temp);
1758         CtdlMakeTempFileName(temp2, sizeof temp2);
1759         CtdlMakeTempFileName(tempdir, sizeof tempdir);
1760
1761         /* Get screen dimensions.  First we go to a default of 80x24.  Then
1762          * we try to get the user's actual screen dimensions off the server.
1763          * However, if we're running on an xterm, all this stuff is
1764          * irrelevant because we're going to dynamically size the screen
1765          * during the session.
1766          */
1767         screenwidth = 80;
1768         screenheight = 24;
1769         r = CtdlIPCGetConfig(ipc, &myself, aaa);
1770         if (r == 2) {
1771                 screenwidth = myself->USscreenwidth;
1772                 screenheight = myself->USscreenheight;
1773         }
1774         if (getenv("TERM") != NULL)
1775                 if (!strcmp(getenv("TERM"), "xterm")) {
1776                         have_xterm = 1;
1777                 }
1778 #ifdef TIOCGWINSZ
1779         check_screen_dims();
1780 #endif
1781
1782         set_floor_mode(ipc);
1783
1784         /* Enter the lobby */
1785         dotgoto(ipc, "_BASEROOM_", 1, 0);
1786
1787         /* Main loop for the system... user is logged in. */
1788     free(uglist[0]);
1789         uglistsize = 0;
1790
1791         if (newnow == 1)
1792                 readmsgs(ipc, LastMessages, ReadForward, 5);
1793         else
1794                 readmsgs(ipc, NewMessages, ReadForward, 0);
1795
1796         /* MAIN COMMAND LOOP */
1797         do {
1798                 mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
1799
1800 #ifdef TIOCGWINSZ
1801                 check_screen_dims();            /* if xterm, get screen size */
1802 #endif
1803
1804                 if (termn8 == 0)
1805                         switch (mcmd) {
1806                         case 1:
1807                                 formout(ipc, "help");
1808                                 break;
1809                         case 4:
1810                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1811                                 break;
1812                         case 36:
1813                                 entmsg(ipc, 0, 1, 0);
1814                                 break;
1815                         case 46:
1816                                 entmsg(ipc, 0, 2, 0);
1817                                 break;
1818                         case 78:
1819                                 entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0), 1);
1820                                 break;
1821                         case 5:                         /* <G>oto */
1822                                 updatels(ipc);
1823                                 gotonext(ipc);
1824                                 break;
1825                         case 47:                        /* <A>bandon */
1826                                 if (!rc_alt_semantics) {
1827                                         updatelsa(ipc);
1828                                 }
1829                                 gotonext(ipc);
1830                                 break;
1831                         case 90:                        /* <.A>bandon */
1832                                 if (!rc_alt_semantics)
1833                                         updatelsa(ipc);
1834                                 dotgoto(ipc, argbuf, 0, 0);
1835                                 break;
1836                         case 58:                        /* <M>ail */
1837                                 updatelsa(ipc);
1838                                 dotgoto(ipc, "_MAIL_", 1, 0);
1839                                 break;
1840                         case 20:
1841                                 if (!IsEmptyStr(argbuf)) {
1842                                         updatels(ipc);
1843                                         dotgoto(ipc, argbuf, 0, 0);
1844                                 }
1845                                 break;
1846                         case 52:
1847                                 if (!IsEmptyStr(argbuf)) {
1848                                         if (rc_alt_semantics) {
1849                                                 updatelsa(ipc);
1850                                         }
1851                                         dotgoto(ipc, argbuf, 0, 0);
1852                                 }
1853                                 break;
1854                         case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
1855                                 dotungoto(ipc, argbuf);
1856                                 break;
1857                         case 10:
1858                                 readmsgs(ipc, AllMessages, ReadForward, 0);
1859                                 break;
1860                         case 9:
1861                                 readmsgs(ipc, LastMessages, ReadForward, 5);
1862                                 break;
1863                         case 13:
1864                                 readmsgs(ipc, NewMessages, ReadForward, 0);
1865                                 break;
1866                         case 11:
1867                                 readmsgs(ipc, AllMessages, ReadReverse, 0);
1868                                 break;
1869                         case 12:
1870                                 readmsgs(ipc, OldMessages, ReadReverse, 0);
1871                                 break;
1872                         case 71:
1873                                 readmsgs(ipc, LastMessages, ReadForward,
1874                                                 atoi(argbuf));
1875                                 break;
1876                         case 7:
1877                                 forget(ipc);
1878                                 break;
1879                         case 18:
1880                                 subshell();
1881                                 break;
1882                         case 38:
1883                                 updatels(ipc);
1884                                 entroom(ipc);
1885                                 break;
1886                         case 22:
1887                                 killroom(ipc);
1888                                 break;
1889                         case 32:
1890                                 userlist(ipc, argbuf);
1891                                 break;
1892                         case 27:
1893                                 invite(ipc);
1894                                 break;
1895                         case 28:
1896                                 kickout(ipc);
1897                                 break;
1898                         case 23:
1899                                 editthisroom(ipc);
1900                                 break;
1901                         case 14:
1902                                 roomdir(ipc);
1903                                 break;
1904                         case 33:
1905                                 download(ipc, 0);
1906                                 break;
1907                         case 34:
1908                                 download(ipc, 1);
1909                                 break;
1910                         case 31:
1911                                 download(ipc, 2);
1912                                 break;
1913                         case 43:
1914                                 download(ipc, 3);
1915                                 break;
1916                         case 45:
1917                                 download(ipc, 4);
1918                                 break;
1919                         case 55:
1920                                 download(ipc, 5);
1921                                 break;
1922                         case 39:
1923                                 upload(ipc, 0);
1924                                 break;
1925                         case 40:
1926                                 upload(ipc, 1);
1927                                 break;
1928                         case 42:
1929                                 upload(ipc, 2);
1930                                 break;
1931                         case 44:
1932                                 upload(ipc, 3);
1933                                 break;
1934                         case 57:
1935                                 cli_upload(ipc);
1936                                 break;
1937                         case 16:
1938                                 ungoto(ipc);
1939                                 break;
1940                         case 24:
1941                                 whoknows(ipc);
1942                                 break;
1943                         case 26:
1944                                 validate(ipc);
1945                                 break;
1946                         case 29:
1947                         case 30:
1948                                 if (!rc_alt_semantics) {
1949                                         updatels(ipc);
1950                                 }
1951                                 termn8 = 1;
1952                                 break;
1953                         case 48:
1954                                 enterinfo(ipc);
1955                                 break;
1956                         case 49:
1957                                 readinfo(ipc);
1958                                 break;
1959                         case 72:
1960                                 cli_image_upload(ipc, "_userpic_");
1961                                 break;
1962                         case 73:
1963                                 cli_image_upload(ipc, "_roompic_");
1964                                 break;
1965
1966                         case 74:
1967                                 snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
1968                                 cli_image_upload(ipc, aaa);
1969                                 break;
1970
1971                         case 75:
1972                                 enternew(ipc, "roomname", aaa, 20);
1973                                 r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
1974                                 if (r / 100 != 2)
1975                                         scr_printf("\n%s\n", bbb);
1976                                 break;
1977                         case 76:
1978                                 enternew(ipc, "hostname", aaa, 25);
1979                                 r = CtdlIPCChangeHostname(ipc, aaa, bbb);
1980                                 if (r / 100 != 2)
1981                                         scr_printf("\n%s\n", bbb);
1982                                 break;
1983                         case 77:
1984                                 enternew(ipc, "username", aaa, 32);
1985                                 r = CtdlIPCChangeUsername(ipc, aaa, bbb);
1986                                 if (r / 100 != 2)
1987                                         scr_printf("\n%s\n", bbb);
1988                                 break;
1989
1990                         case 35:
1991                                 set_password(ipc);
1992                                 break;
1993
1994                         case 21:
1995                                 if (argbuf[0] == 0)
1996                                         strcpy(aaa, "?");
1997                                 display_help(ipc, argbuf);
1998                                 break;
1999
2000                         case 41:
2001                                 formout(ipc, "register");
2002                                 entregis(ipc);
2003                                 break;
2004
2005                         case 15:
2006                                 scr_printf("Are you sure (y/n)? ");
2007                                 if (yesno() == 1) {
2008                                         if (!rc_alt_semantics)
2009                                                 updatels(ipc);
2010                                         a = 0;
2011                                         termn8 = 1;
2012                                 }
2013                                 break;
2014
2015                         case 85:
2016                                 scr_printf("All users will be disconnected!  "
2017                                            "Really terminate the server? ");
2018                                 if (yesno() == 1) {
2019                                         if (!rc_alt_semantics)
2020                                                 updatels(ipc);
2021                                         r = CtdlIPCTerminateServerNow(ipc, aaa);
2022                                         scr_printf("%s\n", aaa);
2023                                         if (r / 100 == 2) {
2024                                                 a = 0;
2025                                                 termn8 = 1;
2026                                         }
2027                                 }
2028                                 break;
2029
2030                         case 86:
2031                                 scr_printf("Do you really want to schedule a "
2032                                            "server shutdown? ");
2033                                 if (yesno() == 1) {
2034                                         r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
2035                                         if (r / 100 == 2) {
2036                                                 if (atoi(aaa)) {
2037                                                         scr_printf(
2038                                                                    "The Citadel server will terminate when all users are logged off.\n"
2039                                                                    );
2040                                                 } else {
2041                                                         scr_printf(
2042                                                                    "The Citadel server will not terminate.\n"
2043                                                                    );
2044                                                 }
2045                                         }
2046                                 }
2047                                 break;
2048
2049                         case 87:
2050                                 network_config_management(ipc, "listrecp",
2051                                                           "Message-by-message mailing list recipients");
2052                                 break;
2053
2054                         case 94:
2055                                 network_config_management(ipc, "digestrecp",
2056                                                           "Digest mailing list recipients");
2057                                 break;
2058
2059                         case 89:
2060                                 network_config_management(ipc, "ignet_push_share",
2061                                                           "Nodes with which we share this room");
2062                                 break;
2063
2064                         case 88:
2065                                 do_ignet_configuration(ipc);
2066                                 break;
2067
2068                         case 92:
2069                                 do_filterlist_configuration(ipc);
2070                                 break;
2071
2072                         case 6:
2073                                 if (rc_alt_semantics) {
2074                                         updatelsa(ipc);
2075                                 }
2076                                 gotonext(ipc);
2077                                 break;
2078
2079                         case 3:
2080                                 chatmode(ipc);
2081                                 break;
2082
2083                         case 2:
2084                                 if (ipc->isLocal) {
2085                                         screen_reset();
2086                                         stty_ctdl(SB_RESTORE);
2087                                         snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
2088                                                  "exec ./subsystem %ld %d %d", fullname,
2089                                                  usernum, screenwidth, axlevel);
2090                                         ka_system(aaa);
2091                                         stty_ctdl(SB_NO_INTR);
2092                                         screen_set();
2093                                 } else {
2094                                         scr_printf("*** Can't run doors when server is not local.\n");
2095                                 }
2096                                 break;
2097
2098                         case 17:
2099                                 who_is_online(ipc, 0);
2100                                 break;
2101
2102                         case 79:
2103                                 who_is_online(ipc, 1);
2104                                 break;
2105
2106                         case 91:
2107                                 who_is_online(ipc, 2);
2108                                 break;
2109
2110                         case 80:
2111                                 do_system_configuration(ipc);
2112                                 break;
2113
2114                         case 82:
2115                                 do_internet_configuration(ipc);
2116                                 break;
2117
2118                         case 83:
2119                                 check_message_base(ipc);
2120                                 break;
2121
2122                         case 84:
2123                                 quiet_mode(ipc);
2124                                 break;
2125
2126                         case 93:
2127                                 stealth_mode(ipc);
2128                                 break;
2129
2130                         case 50:
2131                                 enter_config(ipc, 2);
2132                                 break;
2133
2134                         case 37:
2135                                 enter_config(ipc, 0);
2136                                 set_floor_mode(ipc);
2137                                 break;
2138
2139                         case 59:
2140                                 enter_config(ipc, 3);
2141                                 set_floor_mode(ipc);
2142                                 break;
2143
2144                         case 60:
2145                                 gotofloor(ipc, argbuf, GF_GOTO);
2146                                 break;
2147
2148                         case 61:
2149                                 gotofloor(ipc, argbuf, GF_SKIP);
2150                                 break;
2151
2152                         case 62:
2153                                 forget_this_floor(ipc);
2154                                 break;
2155
2156                         case 63:
2157                                 create_floor(ipc);
2158                                 break;
2159
2160                         case 64:
2161                                 edit_floor(ipc);
2162                                 break;
2163
2164                         case 65:
2165                                 kill_floor(ipc);
2166                                 break;
2167
2168                         case 66:
2169                                 enter_bio(ipc);
2170                                 break;
2171
2172                         case 67:
2173                                 read_bio(ipc);
2174                                 break;
2175
2176                         case 25:
2177                                 edituser(ipc, 25);
2178                                 break;
2179
2180                         case 96:
2181                                 edituser(ipc, 96);
2182                                 break;
2183
2184                         case 8:
2185                                 knrooms(ipc, floor_mode);
2186                                 scr_printf("\n");
2187                                 break;
2188
2189                         case 68:
2190                                 knrooms(ipc, 2);
2191                                 scr_printf("\n");
2192                                 break;
2193
2194                         case 69:
2195                                 misc_server_cmd(ipc, argbuf);
2196                                 break;
2197
2198                         case 70:
2199                                 edit_system_message(ipc, argbuf);
2200                                 break;
2201
2202                         case 19:
2203                                 listzrooms(ipc);
2204                                 scr_printf("\n");
2205                                 break;
2206
2207                         case 51:
2208                                 deletefile(ipc);
2209                                 break;
2210
2211                         case 53:
2212                                 netsendfile(ipc);
2213                                 break;
2214
2215                         case 54:
2216                                 movefile(ipc);
2217                                 break;
2218
2219                         case 56:
2220                                 page_user(ipc);
2221                                 break;
2222
2223             case 110:           /* <+> Next room */
2224                                  gotoroomstep(ipc, 1, 0);
2225                              break;
2226
2227             case 111:           /* <-> Previous room */
2228                  gotoroomstep(ipc, 0, 0);
2229                              break;
2230
2231                         case 112:           /* <>> Next floor */
2232                  gotofloorstep(ipc, 1, GF_GOTO);
2233                              break;
2234
2235                         case 113:           /* <<> Previous floor */
2236                  gotofloorstep(ipc, 0, GF_GOTO);
2237                                  break;
2238
2239             case 116:           /* <.> skip to <+> Next room */
2240                  gotoroomstep(ipc, 1, 1);
2241                              break;
2242
2243             case 117:           /* <.> skip to <-> Previous room */
2244                  gotoroomstep(ipc, 0, 1);
2245                              break;
2246
2247                         case 118:           /* <.> skip to <>> Next floor */
2248                  gotofloorstep(ipc, 1, GF_SKIP);
2249                              break;
2250
2251                         case 119:           /* <.> skip to <<> Previous floor */
2252                  gotofloorstep(ipc, 0, GF_SKIP);
2253                                  break;
2254
2255                         case 114:
2256                  read_config(ipc);
2257                                  break;
2258
2259                         case 115:
2260                  system_info(ipc);
2261                                  break;
2262
2263                         case 120:           /* .KAnonymous */
2264                          dotknown(ipc, 0, NULL);
2265                                  break;
2266
2267                         case 121:           /* .KDirectory */
2268                          dotknown(ipc, 1, NULL);
2269                                  break;
2270
2271                         case 122:           /* .KMatch */
2272                          dotknown(ipc, 2, argbuf);
2273                                  break;
2274
2275                         case 123:           /* .KpreferredOnly */
2276                          dotknown(ipc, 3, NULL);
2277                                  break;
2278
2279                         case 124:           /* .KPrivate */
2280                          dotknown(ipc, 4, NULL);
2281                                  break;
2282
2283                         case 125:           /* .KRead only */
2284                          dotknown(ipc, 5, NULL);
2285                                  break;
2286
2287                         case 126:           /* .KShared */
2288                          dotknown(ipc, 6, NULL);
2289                                  break;
2290
2291                         case 127:           /* Configure POP3 aggregation */
2292                                 do_pop3client_configuration(ipc);
2293                                 break;
2294
2295                         default: /* allow some math on the command */
2296                                 /* commands 100... to 100+MAX_EDITORS-1 will
2297                                    call the appropriate editor... in other
2298                                    words, command numbers 100+ will match
2299                                    the citadel.rc keys editor0, editor1, etc.*/
2300                                 if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
2301                                 {
2302                                         /* entmsg mode >=2 select editor */
2303                                         entmsg(ipc, 0, mcmd - 100 + 2, 0);
2304                                         break;
2305                                 }
2306                         }       /* end switch */
2307         } while (termn8 == 0);
2308
2309 TERMN8: scr_printf("%s logged out.", fullname);
2310         termn8 = 0;
2311         color(ORIGINAL_PAIR);
2312         scr_printf("\n");
2313         while (march != NULL) {
2314                 remove_march(march->march_name, 0);
2315         }
2316         if (mcmd == 30) {
2317                 sln_printf("\n\nType 'off' to disconnect, or next user...\n");
2318         }
2319         CtdlIPCLogout(ipc);
2320         if ((mcmd == 29) || (mcmd == 15)) {
2321                 screen_delete();
2322                 stty_ctdl(SB_RESTORE);
2323                 formout(ipc, "goodbye");
2324                 logoff(ipc, 0);
2325         }
2326         /* Free the ungoto list */
2327         for (lp = 0; lp < uglistsize; lp++) {
2328                 free(uglist[lp]);
2329         }
2330     uglistsize = 0;
2331         goto GSTA;
2332
2333 }       /* end main() */