Removed Xserver/ directory, it does nothing useful ATM.

[rdpsrv] / Xserver / programs / Xserver / hw / vnc / auth.c

diff --git a/Xserver/programs/Xserver/hw/vnc/auth.c b/Xserver/programs/Xserver/hw/vnc/auth.c
deleted file mode 100644 (file)
index e9a7977..0000000
--- a/Xserver/programs/Xserver/hw/vnc/auth.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * auth.c - deal with authentication.
- *
- * This file implements the VNC authentication protocol when setting up an RFB
- * connection.
- */
-
-/*
- *  Copyright (C) 2002 RealVNC Ltd.
- *  Copyright (C) 1999 AT&T Laboratories Cambridge.  All Rights Reserved.
- *
- *  This is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This software is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this software; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
- *  USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include "windowstr.h"
-#include "rfb.h"
-
-
-#define MAX_AUTH_TRIES 5
-#define AUTH_TOO_MANY_BASE_DELAY 10 * 1000 /* in ms, doubles for each failure
-                                             over MAX_AUTH_TRIES */
-
-static int rfbAuthFailure();
-static CARD32 rfbAuthReenable(OsTimerPtr timer, CARD32 now, pointer arg);
-
-char *rfbAuthPasswdFile = NULL;
-int rfbAuthTries = 0;
-Bool rfbAuthTooManyTries = FALSE;
-static OsTimerPtr timer = NULL;
-
-
-/*
- * rfbAuthNewClient is called when we reach the point of authenticating
- * a new client.  If authentication isn't being used then we simply send
- * rfbNoAuth.  Otherwise we send rfbVncAuth plus the challenge.
- */
-
-void
-rfbAuthNewClient(cl)
-    rfbClientPtr cl;
-{
-    char buf[4 + CHALLENGESIZE];
-    int len;
-
-    cl->state = RFB_AUTHENTICATION;
-
-    if (rfbAuthPasswdFile && !cl->reverseConnection) {
-
-       if (rfbAuthTooManyTries) {
-           rfbClientConnFailed(cl, "Too many authentication failures");
-           return;
-       }
-
-       *(CARD32 *)buf = Swap32IfLE(rfbVncAuth);
-       vncRandomBytes(cl->authChallenge);
-       memcpy(&buf[4], (char *)cl->authChallenge, CHALLENGESIZE);
-       len = 4 + CHALLENGESIZE;
-
-    } else {
-
-       *(CARD32 *)buf = Swap32IfLE(rfbNoAuth);
-       len = 4;
-       cl->state = RFB_INITIALISATION;
-    }
-
-    if (WriteExact(cl->sock, buf, len) < 0) {
-       rfbLogPerror("rfbAuthNewClient: write");
-       rfbCloseSock(cl->sock);
-       return;
-    }
-}
-
-
-/*
- * rfbAuthProcessClientMessage is called when the client sends its
- * authentication response.
- */
-
-void
-rfbAuthProcessClientMessage(cl)
-    rfbClientPtr cl;
-{
-    char *passwd;
-    int i, n;
-    CARD8 response[CHALLENGESIZE];
-    CARD32 authResult;
-
-    n = ReadExact(cl->sock, (char *)response, CHALLENGESIZE);
-
-    if (n <= 0) {
-       if (n == 0)
-            rfbLog("rfbAuthProcessClientMessage: read failed\n");
-        else
-           rfbLogPerror("rfbAuthProcessClientMessage: read");
-        rfbAuthFailure();
-       rfbCloseSock(cl->sock);
-       return;
-    }
-
-    passwd = vncDecryptPasswdFromFile(rfbAuthPasswdFile);
-
-    if (passwd == NULL) {
-       rfbLog("rfbAuthProcessClientMessage: could not get password from %s\n",
-              rfbAuthPasswdFile);
-
-       authResult = Swap32IfLE(rfbVncAuthFailed);
-
-       if (WriteExact(cl->sock, (char *)&authResult, 4) < 0) {
-           rfbLogPerror("rfbAuthProcessClientMessage: write");
-       }
-       rfbCloseSock(cl->sock);
-       return;
-    }
-
-    vncEncryptBytes(cl->authChallenge, passwd);
-
-    /* Lose the password from memory */
-    for (i = strlen(passwd); i >= 0; i--) {
-       passwd[i] = '\0';
-    }
-
-    free((char *)passwd);
-
-    if (memcmp(cl->authChallenge, response, CHALLENGESIZE) != 0) {
-       rfbLog("rfbAuthProcessClientMessage: authentication failed from %s\n",
-              cl->host);
-
-        authResult = rfbAuthFailure();
-        authResult = Swap32IfLE(authResult);
-
-       if (WriteExact(cl->sock, (char *)&authResult, 4) < 0) {
-           rfbLogPerror("rfbAuthProcessClientMessage: write");
-       }
-       rfbCloseSock(cl->sock);
-       return;
-    }
-
-    rfbAuthTries = 0;
-
-    authResult = Swap32IfLE(rfbVncAuthOK);
-
-    if (WriteExact(cl->sock, (char *)&authResult, 4) < 0) {
-       rfbLogPerror("rfbAuthProcessClientMessage: write");
-       rfbCloseSock(cl->sock);
-       return;
-    }
-
-    cl->state = RFB_INITIALISATION;
-}
-
-
-static int rfbAuthFailure()
-{
-  int i;
-
-  rfbAuthTries++;
-
-  if (rfbAuthTries >= MAX_AUTH_TRIES) {
-
-    CARD32 delay = AUTH_TOO_MANY_BASE_DELAY;
-    for (i = MAX_AUTH_TRIES; i < rfbAuthTries; i++)
-      delay *= 2;
-    timer = TimerSet(timer, 0, delay, rfbAuthReenable, NULL);
-
-    rfbAuthTooManyTries = TRUE;
-    return rfbVncAuthTooMany;
-  }
-
-  return rfbVncAuthFailed;
-}
-
-
-static CARD32
-rfbAuthReenable(OsTimerPtr timer, CARD32 now, pointer arg)
-{
-    rfbAuthTooManyTries = FALSE;
-    return 0;
-}