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update libdvdcss in libmpdvdkit to latest version (1.2.4)

Browse Source 
patch by Andreas Hess <jaska@gmx.net>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8638 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi
2002-12-29 15:32:56 +00:00
parent 7f69df1778
commit 36048f18e1
7 changed files with 491 additions and 373 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libmpdvdkit2/css.c
+30 -15
View File
@@ -41,6 +41,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include "dvdcss.h"
@@ -81,18 +82,27 @@ int _dvdcss_test( dvdcss_t dvdcss )
i_ret = ioctl_ReadCopyright( dvdcss->i_fd, 0 /* i_layer */, &i_copyright );
#ifdef WIN32
if( i_ret < 0 )
{
/* Maybe we didn't have enough priviledges to read the copyright
* (see ioctl_ReadCopyright comments).
* Apparently, on unencrypted DVDs _dvdcss_disckey() always fails, so
* we can check this as a work-around. */
i_ret = 0;
if( _dvdcss_disckey( dvdcss ) < 0 )
i_copyright = 0;
else
i_copyright = 1;
}
#endif
if( i_ret < 0 )
{
/* Since it's the first ioctl we try to issue, we add a notice */
_dvdcss_error( dvdcss, "css error: ioctl_ReadCopyright failed, "
"make sure there is a DVD in the drive, and that "
"you have used the correct device node."
#if defined( WIN32 )
"\nAlso note that if you are using Windows NT/2000/XP "
"you need to have administrator priviledges to be able "
"to use ioctls."
#endif
);
"you have used the correct device node." );
return i_ret;
}
@@ -264,7 +274,7 @@ static void PrintKey( dvdcss_t dvdcss, char *prefix, u8 const *data )
/*****************************************************************************
* _dvdcss_title: crack or decrypt the current title key if needed
*****************************************************************************
* This function should only be called by dvdcss_seek and should eventually
* This function should only be called by dvdcss->pf_seek and should eventually
* not be external if possible.
*****************************************************************************/
int _dvdcss_title ( dvdcss_t dvdcss, int i_block )
@@ -427,9 +437,12 @@ int _dvdcss_disckey( dvdcss_t dvdcss )
break;
}
_dvdcss_debug( dvdcss, "failed to decrypt the disc key, "
"trying to crack it instead" );
"faulty drive/kernel? "
"cracking title keys instead" );
/* Fallback */
/* Fallback, but not to DISC as the disc key might be faulty */
dvdcss->i_method = DVDCSS_METHOD_TITLE;
break;
case DVDCSS_METHOD_DISC:
@@ -443,6 +456,7 @@ int _dvdcss_disckey( dvdcss_t dvdcss )
break;
}
_dvdcss_debug( dvdcss, "failed to crack the disc key" );
memset( p_disc_key, 0, KEY_SIZE );
dvdcss->i_method = DVDCSS_METHOD_TITLE;
break;
@@ -551,9 +565,9 @@ int _dvdcss_titlekey( dvdcss_t dvdcss, int i_pos, dvd_key_t p_title_key )
_dvdcss_debug( dvdcss, "resetting drive and cracking title key" );
/* Read an unscrambled sector and reset the drive */
_dvdcss_seek( dvdcss, 0 );
_dvdcss_read( dvdcss, p_garbage, 1 );
_dvdcss_seek( dvdcss, 0 );
dvdcss->pf_seek( dvdcss, 0 );
dvdcss->pf_read( dvdcss, p_garbage, 1 );
dvdcss->pf_seek( dvdcss, 0 );
_dvdcss_disckey( dvdcss );
/* Fallback */
@@ -978,7 +992,7 @@ static int DecryptDiscKey( u8 const *p_struct_disckey, dvd_key_t p_disc_key )
DecryptKey( 0, p_disc_key, p_struct_disckey, p_verify );
/* If the position / player key pair worked then return. */
if( memcmp( p_disc_key, p_verify, 5 ) == 0 )
if( memcmp( p_disc_key, p_verify, KEY_SIZE ) == 0 )
{
return 0;
}
@@ -988,6 +1002,7 @@ static int DecryptDiscKey( u8 const *p_struct_disckey, dvd_key_t p_disc_key )
/* Have tried all combinations of positions and keys,
* and we still didn't succeed. */
memset( p_disc_key, 0, KEY_SIZE );
return -1;
}
@@ -1383,7 +1398,7 @@ static int CrackTitleKey( dvdcss_t dvdcss, int i_pos, int i_len,
do
{
i_ret = _dvdcss_seek( dvdcss, i_pos );
i_ret = dvdcss->pf_seek( dvdcss, i_pos );
if( i_ret != i_pos )
{
libmpdvdkit2/device.c
+361 -314
View File
@@ -54,67 +54,34 @@
#include "device.h"
/*****************************************************************************
* Device reading prototypes, win32 specific
* Device reading prototypes
*****************************************************************************/
static int libc_open ( dvdcss_t, char const * );
static int libc_seek ( dvdcss_t, int );
static int libc_read ( dvdcss_t, void *, int );
static int libc_readv ( dvdcss_t, struct iovec *, int );
#ifdef WIN32
int _win32_dvdcss_readv ( int, struct iovec *, int, char * );
int _win32_dvdcss_aopen ( dvdcss_t, char );
int _win32_dvdcss_aclose ( int );
int _win32_dvdcss_aseek ( int, int, int );
int _win32_dvdcss_aread ( int, void *, int );
static int win2k_open ( dvdcss_t, char const * );
static int aspi_open ( dvdcss_t, char const * );
static int win2k_seek ( dvdcss_t, int );
static int aspi_seek ( dvdcss_t, int );
static int win2k_read ( dvdcss_t, void *, int );
static int aspi_read ( dvdcss_t, void *, int );
static int win_readv ( dvdcss_t, struct iovec *, int );
static int aspi_read_internal ( int, void *, int );
#endif
/*****************************************************************************
* readv_*: readv() replacements for iovec-impaired C libraries
*****************************************************************************/
#if defined( WIN32 )
static inline int readv( int i_fd, struct iovec * p_iovec, int i_count )
{
int i_index, i_len, i_total = 0;
unsigned char *p_base;
int i_bytes;
for( i_index = i_count; i_index; i_index-- )
{
i_len = p_iovec->iov_len;
p_base = p_iovec->iov_base;
/* Loop is unrolled one time to spare the (i_bytes <= 0) test */
if( i_len > 0 )
{
i_bytes = read( i_fd, p_base, i_len );
if( i_bytes < 0 )
{
/* One of the reads failed, too bad.
We won't even bother returning the reads that went ok,
and as in the posix spec the file postition is left
unspecified after a failure */
return -1;
}
i_total += i_bytes;
if( i_bytes != i_len )
{
/* we reached the end of the file or a signal interrupted
the read */
return i_total;
}
}
p_iovec++;
}
return i_total;
}
#endif /* WIN32 */
int _dvdcss_use_ioctls( dvdcss_t dvdcss )
{
#if defined( WIN32 )
/* Some one need to implement this for Windows */
if( dvdcss->b_file )
{
return 0;
}
/* FIXME: implement this for Windows */
if( WIN2K )
{
return 1;
@@ -161,68 +128,50 @@ int _dvdcss_use_ioctls( dvdcss_t dvdcss )
int _dvdcss_open ( dvdcss_t dvdcss )
{
char *psz_device = dvdcss->psz_device;
char psz_debug[200];
char const *psz_device = dvdcss->psz_device;
snprintf( psz_debug, 199, "opening target `%s'", psz_device );
psz_debug[199] = '\0';
_dvdcss_debug( dvdcss, psz_debug );
#if defined( WIN32 )
if( WIN2K )
{
char psz_dvd[7];
_snprintf( psz_dvd, 7, "\\\\.\\%c:", psz_device[0] );
/* If device is not "X:", we are actually opening a file. */
dvdcss->b_file = !psz_device[0] || psz_device[1] != ':' || psz_device[3];
/* To have access to ioctls, we need read and write access to the
* device. This is only allowed if you have administrator priviledges
* so we allow for a fallback method where ioctls are not available but
* we at least have read access to the device.
* (See Microsoft Q241374: Read and Write Access Required for SCSI
* Pass Through Requests) */
(HANDLE) dvdcss->i_fd =
CreateFile( psz_dvd, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING,
FILE_FLAG_RANDOM_ACCESS, NULL );
if( (HANDLE) dvdcss->i_fd == INVALID_HANDLE_VALUE )
(HANDLE) dvdcss->i_fd =
CreateFile( psz_dvd, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING,
FILE_FLAG_RANDOM_ACCESS, NULL );
if( (HANDLE) dvdcss->i_fd == INVALID_HANDLE_VALUE )
{
_dvdcss_error( dvdcss, "failed opening device" );
return -1;
}
}
else
{
dvdcss->i_fd = _win32_dvdcss_aopen( dvdcss, psz_device[0] );
if( dvdcss->i_fd == -1 )
{
_dvdcss_error( dvdcss, "failed opening device" );
return -1;
}
}
/* initialise readv temporary buffer */
/* Initialize readv temporary buffer */
dvdcss->p_readv_buffer = NULL;
dvdcss->i_readv_buf_size = 0;
#else
dvdcss->i_fd = dvdcss->i_read_fd = open( psz_device, 0 );
if( dvdcss->i_fd == -1 )
if( !dvdcss->b_file && WIN2K )
{
_dvdcss_error( dvdcss, "failed opening device" );
return -1;
_dvdcss_debug( dvdcss, "using Win2K API for access" );
dvdcss->pf_seek = win2k_seek;
dvdcss->pf_read = win2k_read;
dvdcss->pf_readv = win_readv;
return win2k_open( dvdcss, psz_device );
}
else if( !dvdcss->b_file )
{
_dvdcss_debug( dvdcss, "using ASPI for access" );
dvdcss->pf_seek = aspi_seek;
dvdcss->pf_read = aspi_read;
dvdcss->pf_readv = win_readv;
return aspi_open( dvdcss, psz_device );
}
else
#endif
return 0;
{
_dvdcss_debug( dvdcss, "using libc for access" );
dvdcss->pf_seek = libc_seek;
dvdcss->pf_read = libc_read;
dvdcss->pf_readv = libc_readv;
return libc_open( dvdcss, psz_device );
}
}
#ifndef WIN32
int _dvdcss_raw_open ( dvdcss_t dvdcss, char *psz_device )
int _dvdcss_raw_open ( dvdcss_t dvdcss, char const *psz_device )
{
dvdcss->i_raw_fd = open( psz_device, 0 );
@@ -243,13 +192,21 @@ int _dvdcss_raw_open ( dvdcss_t dvdcss, char *psz_device )
int _dvdcss_close ( dvdcss_t dvdcss )
{
#if defined( WIN32 )
if( WIN2K )
if( dvdcss->b_file )
{
close( dvdcss->i_fd );
}
else if( WIN2K )
{
CloseHandle( (HANDLE) dvdcss->i_fd );
}
else
else /* ASPI */
{
_win32_dvdcss_aclose( dvdcss->i_fd );
struct w32_aspidev *fd = (struct w32_aspidev *) dvdcss->i_fd;
/* Unload aspi and free w32_aspidev structure */
FreeLibrary( (HMODULE) fd->hASPI );
free( (void*) dvdcss->i_fd );
}
/* Free readv temporary buffer */
@@ -260,6 +217,7 @@ int _dvdcss_close ( dvdcss_t dvdcss )
dvdcss->i_readv_buf_size = 0;
}
return 0;
#else
close( dvdcss->i_fd );
@@ -269,198 +227,68 @@ int _dvdcss_close ( dvdcss_t dvdcss )
dvdcss->i_raw_fd = -1;
}
return 0;
#endif
}
/* Following functions are local */
/*****************************************************************************
* Open commands.
*****************************************************************************/
static int libc_open ( dvdcss_t dvdcss, char const *psz_device )
{
#if !defined( WIN32 )
dvdcss->i_fd = dvdcss->i_read_fd = open( psz_device, 0 );
#else
dvdcss->i_fd = dvdcss->i_read_fd = open( psz_device, O_BINARY );
#endif
if( dvdcss->i_fd == -1 )
{
_dvdcss_error( dvdcss, "failed opening device" );
return -1;
}
return 0;
}
int _dvdcss_seek ( dvdcss_t dvdcss, int i_blocks )
{
#if defined( WIN32 )
dvdcss->i_seekpos = i_blocks;
if( WIN2K )
{
LARGE_INTEGER li_read;
#ifndef INVALID_SET_FILE_POINTER
#define INVALID_SET_FILE_POINTER ((DWORD)-1)
#endif
li_read.QuadPart = (LONGLONG)i_blocks * DVDCSS_BLOCK_SIZE;
li_read.LowPart = SetFilePointer( (HANDLE) dvdcss->i_fd,
li_read.LowPart,
&li_read.HighPart, FILE_BEGIN );
if( (li_read.LowPart == INVALID_SET_FILE_POINTER)
&& GetLastError() != NO_ERROR)
{
li_read.QuadPart = -DVDCSS_BLOCK_SIZE;
}
li_read.QuadPart /= DVDCSS_BLOCK_SIZE;
return (int)li_read.QuadPart;
}
else
{
return ( _win32_dvdcss_aseek( dvdcss->i_fd, i_blocks, SEEK_SET ) );
}
#else
off_t i_read;
dvdcss->i_seekpos = i_blocks;
i_read = lseek( dvdcss->i_read_fd,
(off_t)i_blocks * (off_t)DVDCSS_BLOCK_SIZE, SEEK_SET );
if( i_read < 0 )
{
_dvdcss_error( dvdcss, "seek error" );
}
return i_read / DVDCSS_BLOCK_SIZE;
#endif
}
int _dvdcss_read ( dvdcss_t dvdcss, void *p_buffer, int i_blocks )
static int win2k_open ( dvdcss_t dvdcss, char const *psz_device )
{
#if defined( WIN32 )
if( WIN2K )
{
int i_bytes;
char psz_dvd[7];
_snprintf( psz_dvd, 7, "\\\\.\\%c:", psz_device[0] );
if( !ReadFile( (HANDLE) dvdcss->i_fd, p_buffer,
i_blocks * DVDCSS_BLOCK_SIZE,
(LPDWORD)&i_bytes, NULL ) )
{
return -1;
}
return i_bytes / DVDCSS_BLOCK_SIZE;
}
else
/* To work around an M$ bug in IOCTL_DVD_READ_STRUCTURE, we need read
* _and_ write access to the device (so we can make SCSI Pass Through
* Requests). Unfortunately this is only allowed if you have
* administrator priviledges so we allow for a fallback method with
* only read access to the device (in this case ioctl_ReadCopyright()
* won't send back the right result).
* (See Microsoft Q241374: Read and Write Access Required for SCSI
* Pass Through Requests) */
(HANDLE) dvdcss->i_fd =
CreateFile( psz_dvd, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING,
FILE_FLAG_RANDOM_ACCESS, NULL );
if( (HANDLE) dvdcss->i_fd == INVALID_HANDLE_VALUE )
(HANDLE) dvdcss->i_fd =
CreateFile( psz_dvd, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING,
FILE_FLAG_RANDOM_ACCESS, NULL );
if( (HANDLE) dvdcss->i_fd == INVALID_HANDLE_VALUE )
{
return _win32_dvdcss_aread( dvdcss->i_fd, p_buffer, i_blocks );
_dvdcss_error( dvdcss, "failed opening device" );
return -1;
}
#else
int i_ret;
/* TODO: partial reads are wrong,i.e 2200/2048 = 1
* but the location has advanced 2200 bytes (lseek possition that is) */
i_ret = read( dvdcss->i_read_fd, p_buffer,
(off_t)i_blocks * DVDCSS_BLOCK_SIZE );
if( i_ret < 0 )
{
_dvdcss_error( dvdcss, "read error" );
return i_ret;
}
return i_ret / DVDCSS_BLOCK_SIZE;
#endif
return 0;
}
int _dvdcss_readv ( dvdcss_t dvdcss, struct iovec *p_iovec, int i_blocks )
{
int i_read;
#if defined( WIN32 )
/* Check the size of the readv temp buffer, just in case we need to
* realloc something bigger */
if( dvdcss->i_readv_buf_size < i_blocks * DVDCSS_BLOCK_SIZE )
{
dvdcss->i_readv_buf_size = i_blocks * DVDCSS_BLOCK_SIZE;
if( dvdcss->p_readv_buffer ) free( dvdcss->p_readv_buffer );
/* Allocate a buffer which will be used as a temporary storage
* for readv */
dvdcss->p_readv_buffer = malloc( dvdcss->i_readv_buf_size );
if( !dvdcss->p_readv_buffer )
{
_dvdcss_error( dvdcss, " failed (readv)" );
return -1;
}
}
i_read = _win32_dvdcss_readv( dvdcss->i_fd, p_iovec, i_blocks,
dvdcss->p_readv_buffer );
return i_read;
#else
i_read = readv( dvdcss->i_read_fd, p_iovec, i_blocks );
return i_read / DVDCSS_BLOCK_SIZE;
#endif
}
#if defined( WIN32 )
/*****************************************************************************
* _win32_dvdcss_readv: vectored read using ReadFile for Win2K and
* _win32_dvdcss_aread for win9x
*****************************************************************************/
int _win32_dvdcss_readv( int i_fd, struct iovec *p_iovec,
int i_num_buffers, char *p_tmp_buffer )
{
int i_index;
int i_blocks, i_blocks_total = 0;
for( i_index = i_num_buffers; i_index; i_index-- )
{
i_blocks_total += p_iovec[i_index-1].iov_len;
}
if( i_blocks_total <= 0 ) return 0;
i_blocks_total /= DVDCSS_BLOCK_SIZE;
if( WIN2K )
{
unsigned long int i_bytes;
if( !ReadFile( (HANDLE)i_fd, p_tmp_buffer,
i_blocks_total * DVDCSS_BLOCK_SIZE, &i_bytes, NULL ) )
{
return -1;
/* The read failed... too bad.
As in the posix spec the file postition is left
unspecified after a failure */
}
i_blocks = i_bytes / DVDCSS_BLOCK_SIZE;
}
else /* Win9x */
{
i_blocks = _win32_dvdcss_aread( i_fd, p_tmp_buffer, i_blocks_total );
if( i_blocks < 0 )
{
return -1; /* idem */
}
}
/* We just have to copy the content of the temp buffer into the iovecs */
i_index = 0;
i_blocks_total = i_blocks;
while( i_blocks_total > 0 )
{
memcpy( p_iovec[i_index].iov_base,
&p_tmp_buffer[(i_blocks - i_blocks_total) * DVDCSS_BLOCK_SIZE],
p_iovec[i_index].iov_len );
/* if we read less blocks than asked, we'll just end up copying
garbage, this isn't an issue as we return the number of
blocks actually read */
i_blocks_total -= ( p_iovec[i_index].iov_len / DVDCSS_BLOCK_SIZE );
i_index++;
}
return i_blocks;
}
/*****************************************************************************
* _win32_dvdcss_aopen: open dvd drive (load aspi and init w32_aspidev
* structure)
*****************************************************************************/
int _win32_dvdcss_aopen( dvdcss_t dvdcss, char c_drive )
static int aspi_open( dvdcss_t dvdcss, char const * psz_device )
{
HMODULE hASPI;
DWORD dwSupportInfo;
@@ -468,7 +296,9 @@ int _win32_dvdcss_aopen( dvdcss_t dvdcss, char c_drive )
int i, j, i_hostadapters;
long (*lpGetSupport)( void );
long (*lpSendCommand)( void* );
char c_drive = psz_device[0];
/* load aspi and init w32_aspidev structure */
hASPI = LoadLibrary( "wnaspi32.dll" );
if( hASPI == NULL )
{
@@ -481,7 +311,7 @@ int _win32_dvdcss_aopen( dvdcss_t dvdcss, char c_drive )
if(lpGetSupport == NULL || lpSendCommand == NULL )
{
_dvdcss_debug( dvdcss, "unable to get aspi function pointers" );
_dvdcss_error( dvdcss, "unable to get aspi function pointers" );
FreeLibrary( hASPI );
return -1;
}
@@ -490,7 +320,7 @@ int _win32_dvdcss_aopen( dvdcss_t dvdcss, char c_drive )
if( HIBYTE( LOWORD ( dwSupportInfo ) ) == SS_NO_ADAPTERS )
{
_dvdcss_debug( dvdcss, "no host adapters found (aspi)" );
_dvdcss_error( dvdcss, "no ASPI adapters found" );
FreeLibrary( hASPI );
return -1;
}
@@ -505,6 +335,7 @@ int _win32_dvdcss_aopen( dvdcss_t dvdcss, char c_drive )
i_hostadapters = LOBYTE( LOWORD( dwSupportInfo ) );
if( i_hostadapters == 0 )
{
_dvdcss_error( dvdcss, "no ASPI adapters ready" );
FreeLibrary( hASPI );
return -1;
}
@@ -512,6 +343,7 @@ int _win32_dvdcss_aopen( dvdcss_t dvdcss, char c_drive )
fd = malloc( sizeof( struct w32_aspidev ) );
if( fd == NULL )
{
_dvdcss_error( dvdcss, "not enough memory" );
FreeLibrary( hASPI );
return -1;
}
@@ -540,47 +372,97 @@ int _win32_dvdcss_aopen( dvdcss_t dvdcss, char c_drive )
if( (srbDiskInfo.SRB_Status == SS_COMP) &&
(srbDiskInfo.SRB_Int13HDriveInfo == c_drive) )
{
fd->i_sid = MAKEWORD( i, j );
return (int) fd;
/* Make sure this is a cdrom device */
struct SRB_GDEVBlock srbGDEVBlock;
memset( &srbGDEVBlock, 0, sizeof(struct SRB_GDEVBlock) );
srbGDEVBlock.SRB_Cmd = SC_GET_DEV_TYPE;
srbGDEVBlock.SRB_HaId = i;
srbGDEVBlock.SRB_Target = j;
lpSendCommand( (void*) &srbGDEVBlock );
if( ( srbGDEVBlock.SRB_Status == SS_COMP ) &&
( srbGDEVBlock.SRB_DeviceType == DTYPE_CDROM ) )
{
fd->i_sid = MAKEWORD( i, j );
dvdcss->i_fd = (int) fd;
return 0;
}
else
{
free( (void*) fd );
FreeLibrary( hASPI );
_dvdcss_error( dvdcss,"this is not a cdrom drive" );
return -1;
}
}
}
}
free( (void*) fd );
FreeLibrary( hASPI );
_dvdcss_debug( dvdcss, "unable to get haid and target (aspi)" );
return( -1 );
_dvdcss_error( dvdcss, "unable to get haid and target (aspi)" );
return -1;
}
#endif
/*****************************************************************************
* _win32_dvdcss_aclose: close dvd drive (unload aspi and free w32_aspidev
* structure)
* Seek commands.
*****************************************************************************/
int _win32_dvdcss_aclose( int i_fd )
static int libc_seek( dvdcss_t dvdcss, int i_blocks )
{
struct w32_aspidev *fd = (struct w32_aspidev *) i_fd;
off_t i_read;
FreeLibrary( (HMODULE) fd->hASPI );
free( (void*) i_fd );
dvdcss->i_seekpos = i_blocks;
return 0;
i_read = lseek( dvdcss->i_read_fd,
(off_t)i_blocks * (off_t)DVDCSS_BLOCK_SIZE, SEEK_SET );
if( i_read < 0 )
{
_dvdcss_error( dvdcss, "seek error" );
}
return i_read / DVDCSS_BLOCK_SIZE;
}
/*****************************************************************************
* _win32_dvdcss_aseek: aspi version of _dvdcss_seek
*
* returns the number of blocks read.
*****************************************************************************/
int _win32_dvdcss_aseek( int i_fd, int i_blocks, int i_method )
#if defined( WIN32 )
static int win2k_seek( dvdcss_t dvdcss, int i_blocks )
{
LARGE_INTEGER li_read;
dvdcss->i_seekpos = i_blocks;
#ifndef INVALID_SET_FILE_POINTER
# define INVALID_SET_FILE_POINTER ((DWORD)-1)
#endif
li_read.QuadPart = (LONGLONG)i_blocks * DVDCSS_BLOCK_SIZE;
li_read.LowPart = SetFilePointer( (HANDLE) dvdcss->i_fd,
li_read.LowPart,
&li_read.HighPart, FILE_BEGIN );
if( (li_read.LowPart == INVALID_SET_FILE_POINTER)
&& GetLastError() != NO_ERROR)
{
li_read.QuadPart = -DVDCSS_BLOCK_SIZE;
}
li_read.QuadPart /= DVDCSS_BLOCK_SIZE;
return (int)li_read.QuadPart;
}
static int aspi_seek( dvdcss_t dvdcss, int i_blocks )
{
int i_old_blocks;
char sz_buf[ DVDCSS_BLOCK_SIZE ];
struct w32_aspidev *fd = (struct w32_aspidev *) i_fd;
struct w32_aspidev *fd = (struct w32_aspidev *) dvdcss->i_fd;
i_old_blocks = fd->i_blocks;
fd->i_blocks = i_blocks;
if( _win32_dvdcss_aread( i_fd, sz_buf, 1 ) == -1 )
if( aspi_read_internal( dvdcss->i_fd, sz_buf, 1 ) == -1 )
{
fd->i_blocks = i_old_blocks;
return -1;
@@ -590,13 +472,179 @@ int _win32_dvdcss_aseek( int i_fd, int i_blocks, int i_method )
return fd->i_blocks;
}
#endif
/*****************************************************************************
* _win32_dvdcss_aread: aspi version of _dvdcss_read
*
* returns the number of blocks read.
* Read commands.
*****************************************************************************/
int _win32_dvdcss_aread( int i_fd, void *p_data, int i_blocks )
static int libc_read ( dvdcss_t dvdcss, void *p_buffer, int i_blocks )
{
int i_ret;
/* TODO: partial reads are wrong,i.e 2200/2048 = 1
* but the location has advanced 2200 bytes (lseek possition that is) */
i_ret = read( dvdcss->i_read_fd, p_buffer,
(off_t)i_blocks * DVDCSS_BLOCK_SIZE );
if( i_ret < 0 )
{
_dvdcss_error( dvdcss, "read error" );
return i_ret;
}
return i_ret / DVDCSS_BLOCK_SIZE;
}
#if defined( WIN32 )
static int win2k_read ( dvdcss_t dvdcss, void *p_buffer, int i_blocks )
{
int i_bytes;
if( !ReadFile( (HANDLE) dvdcss->i_fd, p_buffer,
i_blocks * DVDCSS_BLOCK_SIZE,
(LPDWORD)&i_bytes, NULL ) )
{
return -1;
}
return i_bytes / DVDCSS_BLOCK_SIZE;
}
static int aspi_read ( dvdcss_t dvdcss, void *p_buffer, int i_blocks )
{
return aspi_read_internal( dvdcss->i_fd, p_buffer, i_blocks );
}
#endif
/*****************************************************************************
* Readv commands.
*****************************************************************************/
static int libc_readv ( dvdcss_t dvdcss, struct iovec *p_iovec, int i_blocks )
{
#if defined( WIN32 )
int i_index, i_len, i_total = 0;
unsigned char *p_base;
int i_bytes;
for( i_index = i_blocks;
i_index;
i_index--, p_iovec++ )
{
i_len = p_iovec->iov_len;
p_base = p_iovec->iov_base;
if( i_len <= 0 )
{
continue;
}
i_bytes = read( dvdcss->i_fd, p_base, i_len );
if( i_bytes < 0 )
{
/* One of the reads failed, too bad.
* We won't even bother returning the reads that went ok,
* and as in the posix spec the file postition is left
* unspecified after a failure */
return -1;
}
i_total += i_bytes;
if( i_bytes != i_len )
{
/* We reached the end of the file or a signal interrupted
* the read. Return a partial read. */
return i_total / DVDCSS_BLOCK_SIZE;
}
}
return i_total / DVDCSS_BLOCK_SIZE;
#else
int i_read = readv( dvdcss->i_read_fd, p_iovec, i_blocks );
return i_read / DVDCSS_BLOCK_SIZE;
#endif
}
#if defined( WIN32 )
/*****************************************************************************
* win_readv: vectored read using ReadFile for Win2K and ASPI for win9x
*****************************************************************************/
static int win_readv ( dvdcss_t dvdcss, struct iovec *p_iovec, int i_blocks )
{
int i_index;
int i_blocks_read, i_blocks_total = 0;
/* Check the size of the readv temp buffer, just in case we need to
* realloc something bigger */
if( dvdcss->i_readv_buf_size < i_blocks * DVDCSS_BLOCK_SIZE )
{
dvdcss->i_readv_buf_size = i_blocks * DVDCSS_BLOCK_SIZE;
if( dvdcss->p_readv_buffer ) free( dvdcss->p_readv_buffer );
/* Allocate a buffer which will be used as a temporary storage
* for readv */
dvdcss->p_readv_buffer = malloc( dvdcss->i_readv_buf_size );
if( !dvdcss->p_readv_buffer )
{
_dvdcss_error( dvdcss, " failed (readv)" );
return -1;
}
}
for( i_index = i_blocks; i_index; i_index-- )
{
i_blocks_total += p_iovec[i_index-1].iov_len;
}
if( i_blocks_total <= 0 ) return 0;
i_blocks_total /= DVDCSS_BLOCK_SIZE;
if( WIN2K )
{
unsigned long int i_bytes;
if( !ReadFile( (HANDLE)dvdcss->i_fd, dvdcss->p_readv_buffer,
i_blocks_total * DVDCSS_BLOCK_SIZE, &i_bytes, NULL ) )
{
/* The read failed... too bad.
* As in the posix spec the file postition is left
* unspecified after a failure */
return -1;
}
i_blocks_read = i_bytes / DVDCSS_BLOCK_SIZE;
}
else /* Win9x */
{
i_blocks_read = aspi_read_internal( dvdcss->i_fd,
dvdcss->p_readv_buffer,
i_blocks_total );
if( i_blocks_read < 0 )
{
/* See above */
return -1;
}
}
/* We just have to copy the content of the temp buffer into the iovecs */
for( i_index = 0, i_blocks_total = i_blocks_read;
i_blocks_total > 0;
i_index++ )
{
memcpy( p_iovec[i_index].iov_base,
dvdcss->p_readv_buffer + (i_blocks_read - i_blocks_total)
* DVDCSS_BLOCK_SIZE,
p_iovec[i_index].iov_len );
/* if we read less blocks than asked, we'll just end up copying
* garbage, this isn't an issue as we return the number of
* blocks actually read */
i_blocks_total -= ( p_iovec[i_index].iov_len / DVDCSS_BLOCK_SIZE );
}
return i_blocks_read;
}
static int aspi_read_internal( int i_fd, void *p_data, int i_blocks )
{
HANDLE hEvent;
struct SRB_ExecSCSICmd ssc;
@@ -638,9 +686,9 @@ int _win32_dvdcss_aread( int i_fd, void *p_data, int i_blocks )
ResetEvent( hEvent );
fd->lpSendCommand( (void*) &ssc );
/* transfer the next 64kb (_win32_dvdcss_aread is called recursively)
/* transfer the next 64kb (aspi_read_internal is called recursively)
* We need to check the status of the read on return */
if( _win32_dvdcss_aread( i_fd, (u8*) p_data + 32 * DVDCSS_BLOCK_SIZE,
if( aspi_read_internal( i_fd, (u8*) p_data + 32 * DVDCSS_BLOCK_SIZE,
i_blocks - 32) < 0 )
{
return -1;
@@ -674,6 +722,5 @@ int _win32_dvdcss_aread( int i_fd, void *p_data, int i_blocks )
return i_blocks;
}
#endif
libmpdvdkit2/device.h
+1 -2
View File
@@ -46,12 +46,11 @@ struct iovec
int _dvdcss_use_ioctls ( dvdcss_t );
int _dvdcss_open ( dvdcss_t );
int _dvdcss_close ( dvdcss_t );
int _dvdcss_readv ( dvdcss_t, struct iovec *, int );
/*****************************************************************************
* Device reading prototypes, raw-device specific
*****************************************************************************/
#ifndef WIN32
int _dvdcss_raw_open ( dvdcss_t, char * );
int _dvdcss_raw_open ( dvdcss_t, char const * );
#endif
libmpdvdkit2/ioctl.c
+39 -32
View File
@@ -11,6 +11,7 @@
* Eugenio Jarosiewicz <ej0@cise.ufl.edu>
* David Siebörger <drs-videolan@rucus.ru.ac.za>
* Alex Strelnikov <lelik@os2.ru>
* Gildas Bazin <gbazin@netcourrier.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -214,18 +215,20 @@ int ioctl_ReadCopyright( int i_fd, int i_layer, int *pi_copyright )
*pi_copyright = dvdbs.copyrightProtectionSystemType;
#elif defined( WIN32 )
if( WIN2K ) /* NT/Win2000/Whistler */
if( WIN2K ) /* NT/2k/XP */
{
DWORD tmp;
u8 p_buffer[ 8 ];
SCSI_PASS_THROUGH_DIRECT sptd;
memset( &sptd, 0, sizeof( sptd ) );
memset( &p_buffer, 0, sizeof( p_buffer ) );
/* When using IOCTL_DVD_READ_STRUCTURE and
DVD_COPYRIGHT_DESCRIPTOR, CopyrightProtectionType
is always 6. So we send a raw scsi command instead. */
seems to be always 6 ???
To work around this M$ bug we try to send a raw scsi command
instead (if we've got enough privileges to do so). */
memset( &sptd, 0, sizeof( sptd ) );
memset( &p_buffer, 0, sizeof( p_buffer ) );
sptd.Length = sizeof( SCSI_PASS_THROUGH_DIRECT );
sptd.CdbLength = 12;
@@ -245,8 +248,11 @@ int ioctl_ReadCopyright( int i_fd, int i_layer, int *pi_copyright )
&sptd, sizeof( SCSI_PASS_THROUGH_DIRECT ),
&tmp, NULL ) ? 0 : -1;
if( i_ret == 0 )
{
*pi_copyright = p_buffer[ 4 ];
}
}
else
{
INIT_SSC( GPCMD_READ_DVD_STRUCTURE, 8 );
@@ -387,7 +393,7 @@ int ioctl_ReadDiscKey( int i_fd, int *pi_agid, u8 *p_key )
memcpy( p_key, dvdbs.discKeyStructures, DVD_DISCKEY_SIZE );
#elif defined( WIN32 )
if( WIN2K ) /* NT/Win2000/Whistler */
if( WIN2K ) /* NT/2k/XP */
{
DWORD tmp;
u8 buffer[DVD_DISK_KEY_LENGTH];
@@ -555,7 +561,7 @@ int ioctl_ReadTitleKey( int i_fd, int *pi_agid, int i_pos, u8 *p_key )
memcpy( p_key, dvdbs.titleKeyValue, DVD_KEY_SIZE );
#elif defined( WIN32 )
if( WIN2K ) /* NT/Win2000/Whistler */
if( WIN2K ) /* NT/2k/XP */
{
DWORD tmp;
u8 buffer[DVD_BUS_KEY_LENGTH];
@@ -567,7 +573,8 @@ int ioctl_ReadTitleKey( int i_fd, int *pi_agid, int i_pos, u8 *p_key )
key->SessionId = *pi_agid;
key->KeyType = DvdTitleKey;
key->KeyFlags = 0;
key->Parameters.TitleOffset.QuadPart = (LONGLONG) i_pos;
key->Parameters.TitleOffset.QuadPart = (LONGLONG) i_pos *
2048 /*DVDCSS_BLOCK_SIZE*/;
i_ret = DeviceIoControl( (HANDLE) i_fd, IOCTL_DVD_READ_KEY, key,
key->KeyLength, key, key->KeyLength, &tmp, NULL ) ? 0 : -1;
@@ -700,7 +707,7 @@ int ioctl_ReportAgid( int i_fd, int *pi_agid )
*pi_agid = dvdbs.grantID;
#elif defined( WIN32 )
if( WIN2K ) /* NT/Win2000/Whistler */
if( WIN2K ) /* NT/2k/XP */
{
ULONG id;
DWORD tmp;
@@ -821,7 +828,7 @@ int ioctl_ReportChallenge( int i_fd, int *pi_agid, u8 *p_challenge )
memcpy( p_challenge, dvdbs.challengeKeyValue, DVD_CHALLENGE_SIZE );
#elif defined( WIN32 )
if( WIN2K ) /* NT/Win2000/Whistler */
if( WIN2K ) /* NT/2k/XP */
{
DWORD tmp;
u8 buffer[DVD_CHALLENGE_KEY_LENGTH];
@@ -953,7 +960,7 @@ int ioctl_ReportASF( int i_fd, int *pi_remove_me, int *pi_asf )
*pi_asf = dvdbs.successFlag;
#elif defined( WIN32 )
if( WIN2K ) /* NT/Win2000/Whistler */
if( WIN2K ) /* NT/2k/XP */
{
DWORD tmp;
u8 buffer[DVD_ASF_LENGTH];
@@ -1088,7 +1095,7 @@ int ioctl_ReportKey1( int i_fd, int *pi_agid, u8 *p_key )
memcpy( p_key, dvdbs.key1Value, DVD_KEY_SIZE );
#elif defined( WIN32 )
if( WIN2K ) /* NT/Win2000/Whistler */
if( WIN2K ) /* NT/2k/XP */
{
DWORD tmp;
u8 buffer[DVD_BUS_KEY_LENGTH];
@@ -1205,7 +1212,7 @@ int ioctl_InvalidateAgid( int i_fd, int *pi_agid )
i_ret = ioctl( i_fd, DKIOCDVDSENDKEY, &dvd );
#elif defined( WIN32 )
if( WIN2K ) /* NT/Win2000/Whistler */
if( WIN2K ) /* NT/2k/XP */
{
DWORD tmp;
@@ -1333,7 +1340,7 @@ int ioctl_SendChallenge( int i_fd, int *pi_agid, u8 *p_challenge )
i_ret = ioctl( i_fd, DKIOCDVDSENDKEY, &dvd );
#elif defined( WIN32 )
if( WIN2K ) /* NT/Win2000/Whistler */
if( WIN2K ) /* NT/2k/XP */
{
DWORD tmp;
u8 buffer[DVD_CHALLENGE_KEY_LENGTH];
@@ -1470,7 +1477,7 @@ int ioctl_SendKey2( int i_fd, int *pi_agid, u8 *p_key )
i_ret = ioctl( i_fd, DKIOCDVDSENDKEY, &dvd );
#elif defined( WIN32 )
if( WIN2K ) /* NT/Win2000/Whistler */
if( WIN2K ) /* NT/2k/XP */
{
DWORD tmp;
u8 buffer[DVD_BUS_KEY_LENGTH];
@@ -1616,7 +1623,7 @@ int ioctl_ReportRPC( int i_fd, int *p_type, int *p_mask, int *p_scheme )
*p_scheme = dvdbs.rpcScheme;
#elif defined( WIN32 )
if( WIN2K ) /* NT/Win2000/Whistler */
if( WIN2K ) /* NT/2k/XP */
{
DWORD tmp;
u8 buffer[ DVD_REGION_LENGTH ];
@@ -1628,19 +1635,19 @@ int ioctl_ReportRPC( int i_fd, int *p_type, int *p_mask, int *p_scheme )
region, DVD_REGION_LENGTH, &tmp, NULL ) ? 0 : -1;
/* Someone who has the headers should correct all this. */
/* Use the IOCTL_SCSI_PASS_THROUGH_DIRECT so we get the real
* values of theses entities? */
/* Use the IOCTL_SCSI_PASS_THROUGH_DIRECT so we get the real
* values of theses entities? */
if(region->SystemRegion != 0) {
*p_type = region->ResetCount > 1 ? 1 : 3 - region->ResetCount;
*p_mask = 0xff ^ (1 << (region->SystemRegion - 1));
*p_scheme = 1;
}
else
{
*p_type = 0; /* ?? */
*p_mask = 0xff;
*p_scheme = 1; /* ?? */
}
*p_type = region->ResetCount > 1 ? 1 : 3 - region->ResetCount;
*p_mask = 0xff ^ (1 << (region->SystemRegion - 1));
*p_scheme = 1;
}
else
{
*p_type = 0; /* ?? */
*p_mask = 0xff;
*p_scheme = 1; /* ?? */
}
}
else
{
@@ -1905,10 +1912,10 @@ static int WinSendSSC( int i_fd, struct SRB_ExecSCSICmd *p_ssc )
#if defined( __QNXNTO__ )
/*****************************************************************************
* QNXInitCPT: initialize a ssc structure for the win32 aspi layer
* QNXInitCPT: initialize a CPT structure for QNX Neutrino
*****************************************************************************
* This function initializes a ssc raw device command structure for future
* use, either a read command or a write command.
* This function initializes a cpt command structure for future use,
* either a read command or a write command.
*****************************************************************************/
static void QNXInitCPT( CAM_PASS_THRU * p_cpt, int i_type )
{
@@ -1930,7 +1937,7 @@ static void QNXInitCPT( CAM_PASS_THRU * p_cpt, int i_type )
p_cpt->cam_cdb[ 9 ] = p_cpt->cam_dxfer_len & 0xff;
p_cpt->cam_cdb_len = 12;
p_cpt->cam_timeout = CAM_TIME_DEFAULT;
p_cpt->cam_timeout = CAM_TIME_DEFAULT;
}
#endif
libmpdvdkit2/ioctl.h
+46 -1
View File
@@ -188,7 +188,7 @@ typedef union dvd_authinfo dvd_authinfo;
#define IOCTL_DVD_END_SESSION CTL_CODE(FILE_DEVICE_DVD, 0x0403, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DVD_GET_REGION CTL_CODE(FILE_DEVICE_DVD, 0x0405, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_DVD_SEND_KEY2 CTL_CODE(FILE_DEVICE_DVD, 0x0406, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DVD_READ_STRUCTURE CTL_CODE(FILE_DEVICE_DVD, 0x0450, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_SCSI_PASS_THROUGH_DIRECT CTL_CODE(FILE_DEVICE_CONTROLLER, 0x0405, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define DVD_CHALLENGE_KEY_LENGTH (12 + sizeof(DVD_COPY_PROTECT_KEY))
@@ -198,11 +198,41 @@ typedef union dvd_authinfo dvd_authinfo;
#define DVD_ASF_LENGTH (sizeof(DVD_ASF) + sizeof(DVD_COPY_PROTECT_KEY))
#define DVD_REGION_LENGTH (sizeof(DVD_REGION))
#define DVD_COPYRIGHT_MASK 0x00000040
#define DVD_NOT_COPYRIGHTED 0x00000000
#define DVD_COPYRIGHTED 0x00000040
#define DVD_SECTOR_PROTECT_MASK 0x00000020
#define DVD_SECTOR_NOT_PROTECTED 0x00000000
#define DVD_SECTOR_PROTECTED 0x00000020
#define SCSI_IOCTL_DATA_OUT 0
#define SCSI_IOCTL_DATA_IN 1
typedef ULONG DVD_SESSION_ID, *PDVD_SESSION_ID;
typedef enum DVD_STRUCTURE_FORMAT {
DvdPhysicalDescriptor,
DvdCopyrightDescriptor,
DvdDiskKeyDescriptor,
DvdBCADescriptor,
DvdManufacturerDescriptor,
DvdMaxDescriptor
} DVD_STRUCTURE_FORMAT, *PDVD_STRUCTURE_FORMAT;
typedef struct DVD_READ_STRUCTURE {
LARGE_INTEGER BlockByteOffset;
DVD_STRUCTURE_FORMAT Format;
DVD_SESSION_ID SessionId;
UCHAR LayerNumber;
} DVD_READ_STRUCTURE, *PDVD_READ_STRUCTURE;
typedef struct _DVD_COPYRIGHT_DESCRIPTOR {
UCHAR CopyrightProtectionType;
UCHAR RegionManagementInformation;
USHORT Reserved;
} DVD_COPYRIGHT_DESCRIPTOR, *PDVD_COPYRIGHT_DESCRIPTOR;
typedef enum
{
DvdChallengeKey = 0x01,
@@ -272,8 +302,10 @@ typedef struct _SCSI_PASS_THROUGH_DIRECT
#define WIN2K ( GetVersion() < 0x80000000 )
#define ASPI_HAID 0
#define ASPI_TARGET 0
#define DTYPE_CDROM 0x05
#define SENSE_LEN 0x0E
#define SC_GET_DEV_TYPE 0x01
#define SC_EXEC_SCSI_CMD 0x02
#define SC_GET_DISK_INFO 0x06
#define SS_COMP 0x01
@@ -309,6 +341,19 @@ struct SRB_GetDiskInfo
unsigned char SRB_Rsvd1[22];
};
struct SRB_GDEVBlock
{
unsigned char SRB_Cmd;
unsigned char SRB_Status;
unsigned char SRB_HaId;
unsigned char SRB_Flags;
unsigned long SRB_Hdr_Rsvd;
unsigned char SRB_Target;
unsigned char SRB_Lun;
unsigned char SRB_DeviceType;
unsigned char SRB_Rsvd1;
};
struct SRB_ExecSCSICmd
{
unsigned char SRB_Cmd;
libmpdvdkit2/libdvdcss.c
+5 -5
View File
@@ -273,8 +273,8 @@ extern dvdcss_t dvdcss_open ( char *psz_target )
char sector[DVDCSS_BLOCK_SIZE];
// 32768+40 -> disc title (32 uppercase chars)
// 32768+813 -> disc manufacturing date + serial no (16 digit number)
_dvdcss_seek( dvdcss, 32768/DVDCSS_BLOCK_SIZE);
if(_dvdcss_read( dvdcss, sector, 1) == 1){
dvdcss->pf_seek( dvdcss, 32768/DVDCSS_BLOCK_SIZE);
if(dvdcss->pf_read( dvdcss, sector, 1) == 1){
// check disc title first:
char* title_name=&sector[40];
int i=31;
@@ -363,7 +363,7 @@ extern int dvdcss_seek ( dvdcss_t dvdcss, int i_blocks, int i_flags )
}
}
return _dvdcss_seek( dvdcss, i_blocks );
return dvdcss->pf_seek( dvdcss, i_blocks );
}
/**
@@ -395,7 +395,7 @@ extern int dvdcss_read ( dvdcss_t dvdcss, void *p_buffer,
{
int i_ret, i_index;
i_ret = _dvdcss_read( dvdcss, p_buffer, i_blocks );
i_ret = dvdcss->pf_read( dvdcss, p_buffer, i_blocks );
if( i_ret <= 0
|| !dvdcss->b_scrambled
@@ -471,7 +471,7 @@ extern int dvdcss_readv ( dvdcss_t dvdcss, void *p_iovec,
void *iov_base;
size_t iov_len;
i_ret = _dvdcss_readv( dvdcss, _p_iovec, i_blocks );
i_ret = dvdcss->pf_readv( dvdcss, _p_iovec, i_blocks );
if( i_ret <= 0
|| !dvdcss->b_scrambled
libmpdvdkit2/libdvdcss.h
+9 -4
View File
@@ -22,6 +22,8 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
struct iovec;
/*****************************************************************************
* The libdvdcss structure
*****************************************************************************/
@@ -30,8 +32,14 @@ struct dvdcss_s
/* File descriptor */
char * psz_device;
int i_fd;
int i_read_fd;
int i_seekpos;
/* File handling */
int ( * pf_seek ) ( dvdcss_t, int );
int ( * pf_read ) ( dvdcss_t, void *, int );
int ( * pf_readv ) ( dvdcss_t, struct iovec *, int );
/* Decryption stuff */
int i_method;
css_t css;
@@ -46,13 +54,13 @@ struct dvdcss_s
int b_debug;
#ifdef WIN32
int b_file;
char * p_readv_buffer;
int i_readv_buf_size;
#endif
#ifndef WIN32
int i_raw_fd;
int i_read_fd;
#endif
};
@@ -66,9 +74,6 @@ struct dvdcss_s
/*****************************************************************************
* Functions used across the library
*****************************************************************************/
int _dvdcss_seek ( dvdcss_t, int );
int _dvdcss_read ( dvdcss_t, void *, int );
void _dvdcss_error ( dvdcss_t, char * );
void _dvdcss_debug ( dvdcss_t, char * );