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Code Releases Activity

* Fixed a buffer overflow in CSSAuth()

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This commit is contained in:
Jon Lech Johansen 2001-11-11 04:51:10 +00:00
parent 81cfe15f7a
commit 7c4ea8d0a8
1 changed files with 5 additions and 4 deletions
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9
extras/libdvdcss/css.c
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@ -2,7 +2,7 @@
* css.c: Functions for DVD authentification and unscrambling
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
* $Id: css.c,v 1.13 2001/10/16 16:51:28 stef Exp $
* $Id: css.c,v 1.14 2001/11/11 04:51:10 jlj Exp $
*
* Author: Stéphane Borel <stef@via.ecp.fr>
* Håkan Hjort <d95hjort@dtek.chalmers.se>
@ -98,7 +98,7 @@ int CSSAuth( dvdcss_handle dvdcss )
{
/* structures defined in cdrom.h or dvdio.h */
unsigned char p_buffer[10];
char psz_warning[32];
char psz_warning[48];
int i_ret = -1;
int i;
@ -122,7 +122,7 @@ int CSSAuth( dvdcss_handle dvdcss )
/* Init sequence, request AGID */
for( i = 1; i < 4 ; ++i )
{
sprintf( psz_warning, "requesting AGID %d", i );
snprintf( psz_warning, sizeof(psz_warning), "requesting AGID %d", i );
_dvdcss_debug( dvdcss, psz_warning );
i_ret = ioctl_ReportAgid( dvdcss->i_fd, &dvdcss->css.i_agid );
@ -185,7 +185,8 @@ int CSSAuth( dvdcss_handle dvdcss )
if( memcmp( dvdcss->css.disc.p_key_check,
dvdcss->css.disc.p_key1, KEY_SIZE ) == 0 )
{
sprintf( psz_warning, "drive authentic, using variant %d", i );
snprintf( psz_warning, sizeof(psz_warning),
"drive authentic, using variant %d", i );
_dvdcss_debug( dvdcss, psz_warning );
dvdcss->css.disc.i_varient = i;
break;