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update: performs size and m5 checksum verification (untested)

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This commit is contained in:
Rafaël Carré 2007-11-26 14:00:39 +00:00
parent 3ba76bd832
commit 89e093a7a1
7 changed files with 82 additions and 24 deletions
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2
include/vlc_arrays.h
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@ -2,7 +2,7 @@
* vlc_arrays.h : Arrays and data structures handling
*****************************************************************************
* Copyright (C) 1999-2004 the VideoLAN team
* $Id: vlc_playlist.h 17108 2006-10-15 15:28:34Z zorglub $
* $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Clément Stenac <zorglub@videolan.org>

2
include/vlc_devices.h
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@ -2,7 +2,7 @@
* vlc_devices.h : Devices handling
*****************************************************************************
* Copyright (C) 1999-2006 the VideoLAN team
* $Id: vlc_input.h 15915 2006-06-15 21:22:35Z zorglub $
* $Id$
*
* Authors: Clément Stenac <zorglub@videolan.org>
*

2
include/vlc_epg.h
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@ -2,7 +2,7 @@
* vlc_epg.h: Electronic Program Guide
*****************************************************************************
* Copyright (C) 2007 the VideoLAN team
* $Id: vlc_meta.h 18214 2006-12-03 13:48:21Z zorglub $
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*

24
include/vlc_md5.h
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@ -46,4 +46,28 @@ VLC_EXPORT(void, InitMD5, ( struct md5_s * ) );
VLC_EXPORT(void, AddMD5, ( struct md5_s *, const void *, size_t ) );
VLC_EXPORT(void, EndMD5, ( struct md5_s * ) );
/**
* Returns a char representation of the md5 hash, as shown by UNIX md5 or
* md5sum tools.
*/
static inline char * psz_md5_hash( struct md5_s *md5_s )
{
char *psz = malloc( 33 ); /* md5 string is 32 bytes + NULL character */
if( !psz ) return NULL;
int i;
for ( i = 0; i < 4; i++ )
{
sprintf( &psz[8*i], "%02x%02x%02x%02x",
md5_s->p_digest[i] & 0xff,
( md5_s->p_digest[i] >> 8 ) & 0xff,
( md5_s->p_digest[i] >> 16 ) & 0xff,
md5_s->p_digest[i] >> 24
);
}
psz[32] = '\0';
return psz;
}
#endif

2
include/vlc_streaming.h
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@ -2,7 +2,7 @@
* vlc_streaming.h: Methods and descriptions for Streaming profiles
*****************************************************************************
* Copyright (C) 2002-2005 the VideoLAN team
* $Id: stream_output.h 14151 2006-02-04 00:08:50Z zorglub $
* $Id$
*
* Authors: Clément Stenac <zorglub@videolan.org>
*

11
include/vlc_update.h
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@ -2,7 +2,7 @@
* vlc_update.h: VLC update and plugins download
*****************************************************************************
* Copyright (C) 2005 the VideoLAN team
* $Id: $
* $Id$
*
* Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
*
@ -143,14 +143,7 @@ struct update_iterator_t
int i_rs; ///< Release status bitmask
int i_rt; ///< Release type bitmask
struct
{
int i_type; ///< Type
char* psz_md5; ///< MD5 hash
long int l_size; ///< Size in bytes
char* psz_url; ///< Absolute URL
char* psz_description; ///< Description
} file; ///< Local 'copy' of the current file's information
struct update_file_t file; ///< Local copy of the current file's information
struct
{
char *psz_version; ///< Version string

63
src/misc/update.c
View File

@ -2,7 +2,7 @@
* update.c: VLC update and plugins download
*****************************************************************************
* Copyright (C) 2005 the VideoLAN team
* $Id: $
* $Id$
*
* Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
*
@ -48,6 +48,7 @@
#include <vlc_xml.h>
#include <vlc_interface.h>
#include <vlc_charset.h>
#include <vlc_md5.h>
/*****************************************************************************
* Misc defines
@ -1206,7 +1207,7 @@ unsigned int update_iterator_Action( update_iterator_t *p_uit, int i_action )
typedef struct {
VLC_COMMON_MEMBERS
char *psz_dest; //< Download destination
char *psz_src; //< Download source
struct update_file_t src; //< Download source
char *psz_status; //< Download status displayed in progress dialog
} download_thread_t;
@ -1226,7 +1227,11 @@ void update_download( update_iterator_t *p_uit, const char *psz_dest )
vlc_object_create( p_uit->p_u->p_libvlc, sizeof( download_thread_t ) );
p_dt->psz_dest = strdup( psz_dest );
p_dt->psz_src = strdup( p_uit->file.psz_url );
p_dt->src.i_type = p_uit->file.i_type;
p_dt->src.l_size = p_uit->file.l_size;
p_dt->src.psz_md5 = STRDUP( p_uit->file.psz_md5 );
p_dt->src.psz_url = STRDUP( p_uit->file.psz_description );
p_dt->src.psz_description = STRDUP( p_uit->file.psz_description );
asprintf( &p_dt->psz_status, "%s - %s (%s)\nSource: %s\nDestination: %s",
p_uit->file.psz_description, p_uit->release.psz_version,
p_uit->release.psz_svn_revision, p_uit->file.psz_url,
@ -1265,7 +1270,7 @@ static char *size_str( long int l_size )
void update_download_for_real( download_thread_t *p_this )
{
char *psz_dest = p_this->psz_dest;
char *psz_src = p_this->psz_src;
char *psz_src = p_this->src.psz_url;
stream_t *p_stream;
libvlc_int_t *p_libvlc = p_this->p_libvlc;
@ -1294,6 +1299,18 @@ void update_download_for_real( download_thread_t *p_this )
}
else
{
l_size = stream_Size(p_stream);
if( l_size != p_this->src.l_size )
{
stream_Delete( p_stream );
free( psz_status );
msg_Err( p_this, "%s hasn't a correct size (%li instead of %li)."
" Cancelling download.",
p_this->src.psz_description,
l_size,
p_this->src.l_size );
goto end;
}
p_file = utf8_fopen( psz_dest, "w" );
if( !p_file )
{
@ -1304,20 +1321,24 @@ void update_download_for_real( download_thread_t *p_this )
}
else
{
long int l_read;
int i_read;
char *psz_s1; char *psz_s2;
struct md5_s md5_s;
l_size = stream_Size(p_stream);
p_buffer = (void *)malloc( 1<<10 );
if( p_buffer )
{
while( ( l_read = stream_Read( p_stream, p_buffer, 1<<10 ) ) )
if( p_this->src.i_type & ( UPDATE_FILE_TYPE_SOURCE | UPDATE_FILE_TYPE_BINARY | UPDATE_FILE_TYPE_PLUGIN ) )
InitMD5( &md5_s );
while( ( i_read = stream_Read( p_stream, p_buffer, 1<<10 ) ) )
{
float f_progress;
fwrite( p_buffer, l_read, 1, p_file );
fwrite( p_buffer, i_read, 1, p_file );
if( p_this->src.i_type & ( UPDATE_FILE_TYPE_SOURCE | UPDATE_FILE_TYPE_BINARY | UPDATE_FILE_TYPE_PLUGIN ) )
AddMD5( &md5_s, p_buffer, (size_t) i_read );
l_done += l_read;
l_done += i_read;
free( psz_status );
f_progress = 100.0*(float)l_done/(float)l_size;
psz_s1 = size_str( l_done );
@ -1330,12 +1351,29 @@ void update_download_for_real( download_thread_t *p_this )
intf_ProgressUpdate( p_libvlc, i_progress,
psz_status, f_progress, 0 );
}
free( p_buffer );
}
fclose( p_file );
stream_Delete( p_stream );
if( l_done == p_this->src.l_size &&
p_this->src.i_type & ( UPDATE_FILE_TYPE_SOURCE |
UPDATE_FILE_TYPE_BINARY | UPDATE_FILE_TYPE_PLUGIN ) )
{
EndMD5( &md5_s );
char *psz_md5 = psz_md5_hash( &md5_s );
if( !p_this->src.psz_md5 || !psz_md5 ||
strncmp( psz_md5, p_this->src.psz_md5, 32 ) )
{
msg_Err( p_this,
_("%s has an incorrect checksum, download failed or mirror is compromised.\n
Please run an antivirus on %s, and report if that file is trojaned.\n
If not, please try later."),
p_this->src.psz_description );
}
free( psz_md5 );
}
free( psz_status );
psz_s2 = size_str( l_size );
asprintf( &psz_status, "%s\nDone %s (100.00%%)",
@ -1346,8 +1384,11 @@ void update_download_for_real( download_thread_t *p_this )
}
}
end:
free( p_this->psz_dest );
free( p_this->psz_src );
free( p_this->src.psz_url );
free( p_this->src.psz_description );
free( p_this->src.psz_md5 );
free( p_this->psz_status );
vlc_object_destroy( p_this );