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-rw-r--r--vncauth.c185
1 files changed, 0 insertions, 185 deletions
diff --git a/vncauth.c b/vncauth.c
deleted file mode 100644
index 2146e67..0000000
--- a/vncauth.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- * 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 program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
-/*
- * vncauth.c - Functions for VNC password management and authentication.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <rfb/rfbproto.h>
-#include "d3des.h"
-
-#include <string.h>
-#include <math.h>
-
-#ifdef LIBVNCSERVER_HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef LIBVNCSERVER_HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-
-#include <time.h>
-
-#ifdef WIN32
-#define srandom srand
-#define random rand
-#else
-#include <sys/time.h>
-#endif
-
-
-/*
- * We use a fixed key to store passwords, since we assume that our local
- * file system is secure but nonetheless don't want to store passwords
- * as plaintext.
- */
-
-static unsigned char fixedkey[8] = {23,82,107,6,35,78,88,7};
-
-
-/*
- * Encrypt a password and store it in a file. Returns 0 if successful,
- * 1 if the file could not be written.
- */
-
-int
-vncEncryptAndStorePasswd(char *passwd, char *fname)
-{
- FILE *fp;
- unsigned int i;
- unsigned char encryptedPasswd[8];
-
- if ((fp = fopen(fname,"w")) == NULL) return 1;
-
- /* windows security sux */
-#ifndef WIN32
- fchmod(fileno(fp), S_IRUSR|S_IWUSR);
-#endif
-
- /* pad password with nulls */
-
- for (i = 0; i < 8; i++) {
- if (i < strlen(passwd)) {
- encryptedPasswd[i] = passwd[i];
- } else {
- encryptedPasswd[i] = 0;
- }
- }
-
- /* Do encryption in-place - this way we overwrite our copy of the plaintext
- password */
-
- deskey(fixedkey, EN0);
- des(encryptedPasswd, encryptedPasswd);
-
- for (i = 0; i < 8; i++) {
- putc(encryptedPasswd[i], fp);
- }
-
- fclose(fp);
- return 0;
-}
-
-
-/*
- * Decrypt a password from a file. Returns a pointer to a newly allocated
- * string containing the password or a null pointer if the password could
- * not be retrieved for some reason.
- */
-
-char *
-vncDecryptPasswdFromFile(char *fname)
-{
- FILE *fp;
- int i, ch;
- unsigned char *passwd = (unsigned char *)malloc(9);
-
- if ((fp = fopen(fname,"r")) == NULL) return NULL;
-
- for (i = 0; i < 8; i++) {
- ch = getc(fp);
- if (ch == EOF) {
- fclose(fp);
- return NULL;
- }
- passwd[i] = ch;
- }
-
- fclose(fp);
-
- deskey(fixedkey, DE1);
- des(passwd, passwd);
-
- passwd[8] = 0;
-
- return (char *)passwd;
-}
-
-
-/*
- * Generate CHALLENGESIZE random bytes for use in challenge-response
- * authentication.
- */
-
-void
-vncRandomBytes(unsigned char *bytes)
-{
- int i;
- static rfbBool s_srandom_called = FALSE;
-
- if (!s_srandom_called) {
- srandom((unsigned int)time(0) ^ (unsigned int)getpid());
- s_srandom_called = TRUE;
- }
-
- for (i = 0; i < CHALLENGESIZE; i++) {
- bytes[i] = (unsigned char)(random() & 255);
- }
-}
-
-
-/*
- * Encrypt CHALLENGESIZE bytes in memory using a password.
- */
-
-void
-vncEncryptBytes(unsigned char *bytes, char *passwd)
-{
- unsigned char key[8];
- unsigned int i;
-
- /* key is simply password padded with nulls */
-
- for (i = 0; i < 8; i++) {
- if (i < strlen(passwd)) {
- key[i] = passwd[i];
- } else {
- key[i] = 0;
- }
- }
-
- deskey(key, EN0);
-
- for (i = 0; i < CHALLENGESIZE; i += 8) {
- des(bytes+i, bytes+i);
- }
-}