ref: d0b6a291c24eda3727ad5c7a14956fc1fc82446d
dir: /test/dvd_region.c/
/*
* Set / inspect region settings on a DVD drive. This is most interesting
* on a RPC Phase-2 drive, of course.
*
* Usage: dvd_region [ -d device ] [ [ -s ] [ -r region ] ]
*
* Based on code from Jens Axboe <[email protected]>.
*
* FIXME: This code does _not_ work yet.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <fcntl.h>
#include <getopt.h>
#include <dvdcss/dvdcss.h>
#include "config.h"
#include "common.h"
#include "ioctl.h"
#include "libdvdcss.h"
/* On non-Linux platforms static functions from ioctl.c are used. */
#include "ioctl.c"
#define DEFAULT_DEVICE "/dev/dvd"
/*****************************************************************************
* ioctl_SendRPC: set RPC status for the drive
*****************************************************************************/
static int ioctl_SendRPC( int i_fd, int i_pdrc )
{
int i_ret;
/* Shut up warnings about unused parameters. */
(void)i_fd;
(void)i_pdrc;
#if defined( HAVE_LINUX_DVD_STRUCT ) && defined( DVD_HOST_SEND_RPC_STATE )
dvd_authinfo auth_info = { 0 };
auth_info.type = DVD_HOST_SEND_RPC_STATE;
auth_info.hrpcs.pdrc = i_pdrc;
i_ret = ioctl( i_fd, DVD_AUTH, &auth_info );
#elif defined( HAVE_LINUX_DVD_STRUCT )
/* FIXME: OpenBSD doesn't know this */
i_ret = -1;
#elif defined( HAVE_BSD_DVD_STRUCT )
struct dvd_authinfo auth_info = { 0 };
auth_info.format = DVD_SEND_RPC;
auth_info.region = i_pdrc;
i_ret = ioctl( i_fd, DVDIOCSENDKEY, &auth_info );
#elif defined( __HAIKU__ )
INIT_RDC( GPCMD_SEND_KEY, 8 );
rdc.command[ 10 ] = DVD_SEND_RPC;
p_buffer[ 1 ] = 6;
p_buffer[ 4 ] = i_pdrc;
i_ret = ioctl( i_fd, B_RAW_DEVICE_COMMAND, &rdc, sizeof(rdc) );
#elif defined( SOLARIS_USCSI )
INIT_USCSI( GPCMD_SEND_KEY, 8 );
rs_cdb.cdb_opaque[ 10 ] = DVD_SEND_RPC;
p_buffer[ 1 ] = 6;
p_buffer[ 4 ] = i_pdrc;
i_ret = SolarisSendUSCSI( i_fd, &sc );
if( i_ret < 0 || sc.uscsi_status )
{
i_ret = -1;
}
#elif defined( DARWIN_DVD_IOCTL )
INIT_DVDIOCTL( dk_dvd_send_key_t, DVDRegionPlaybackControlInfo,
kDVDKeyFormatSetRegion );
dvd.keyClass = kDVDKeyClassCSS_CPPM_CPRM;
dvdbs.driveRegion = i_pdrc;
i_ret = ioctl( i_fd, DKIOCDVDSENDKEY, &dvd );
#elif defined( _WIN32 )
DWORD tmp;
SCSI_PASS_THROUGH_DIRECT sptd = { 0 };
uint8_t p_buffer[8];
sptd.Length = sizeof( SCSI_PASS_THROUGH_DIRECT );
sptd.DataBuffer = p_buffer;
sptd.DataTransferLength = sizeof( p_buffer );
WinInitSPTD( &sptd, GPCMD_SEND_KEY );
sptd.Cdb[ 10 ] = DVD_SEND_RPC;
p_buffer[ 1 ] = 6;
p_buffer[ 4 ] = i_pdrc;
i_ret = DeviceIoControl( (HANDLE) i_fd, IOCTL_SCSI_PASS_THROUGH_DIRECT,
&sptd, sizeof( SCSI_PASS_THROUGH_DIRECT ),
&sptd, sizeof( SCSI_PASS_THROUGH_DIRECT ),
&tmp, NULL ) ? 0 : -1;
#elif defined( __QNXNTO__ )
INIT_CPT( GPCMD_SEND_KEY, 8 );
p_cpt->cam_cdb[ 10 ] = DVD_SEND_RPC;
p_buffer[ 1 ] = 6;
p_buffer[ 4 ] = i_pdrc;
i_ret = devctl(i_fd, DCMD_CAM_PASS_THRU, p_cpt, structSize, NULL);
#elif defined( __OS2__ )
INIT_SSC( GPCMD_SEND_KEY, 8 );
sdc.command[ 10 ] = DVD_SEND_RPC;
p_buffer[ 1 ] = 6;
p_buffer[ 4 ] = i_pdrc;
i_ret = DosDevIOCtl( i_fd, IOCTL_CDROMDISK, CDROMDISK_EXECMD,
&sdc, sizeof(sdc), &ulParamLen,
p_buffer, sizeof(p_buffer), &ulDataLen );
#else
# error "DVD ioctls are unavailable on this system"
#endif
return i_ret;
}
static int set_region(int fd, int region)
{
int ret, region_mask;
if(region > 8 || region <= 0) {
printf("Invalid region( %d)\n", region);
return 1;
}
printf("Setting drive region can only be done a finite "
"number of times, press Ctrl-C now to cancel!\n");
/* Discard returned character, just wait for any key as confirmation. */
(void) getchar();
region_mask = 0xff & ~(1 << (region - 1));
printf("Setting region to %d( %x)\n", region, region_mask);
if( (ret = ioctl_SendRPC(fd, region_mask)) < 0) {
perror("dvd_region");
return ret;
}
return 0;
}
static int print_region(int fd)
{
int type, region_mask, rpc_scheme;
int region = 1;
int ret;
printf("Drive region info:\n");
if( (ret = ioctl_ReportRPC(fd, &type, ®ion_mask, &rpc_scheme)) < 0) {
perror("dvd_region");
return ret;
}
printf("Type: ");
switch( type ) {
case 0:
printf("No drive region setting\n");
break;
case 1:
printf("Drive region is set\n");
break;
case 2:
printf("Drive region is set, with additional "
"restrictions required to make a change\n");
break;
case 3:
printf("Drive region has been set permanently, but "
"may be reset by the vendor if necessary\n");
break;
default:
printf("Invalid( %x)\n", type);
break;
}
printf("Region: ");
if( region_mask)
while(region_mask) {
if( !(region_mask & 1) )
printf("%d playable\n", region);
region++;
region_mask >>= 1;
}
else
printf("non-RPC( all)\n");
printf("RPC Scheme: ");
switch( rpc_scheme ) {
case 0:
printf("The Logical Unit does not enforce Regional "
"Playback Control (RPC).\n");
break;
case 1:
printf("The Logical Unit _shall_ adhere to the "
"specification and all requirements of the "
"Content Scrambling System (CSS) license "
"agreement concerning RPC.\n");
break;
default:
printf("Reserved( %x)\n", rpc_scheme);
}
return 0;
}
static void usage(void)
{
fprintf( stderr,
"Usage: dvd_region [ -d device ] [ [ -s ] [ -r region ] ]\n" );
}
int main(int argc, char *argv[])
{
char device_name[FILENAME_MAX], c, set, region = 0;
int ret;
dvdcss_t dvdcss;
strcpy(device_name, DEFAULT_DEVICE);
set = 0;
while( (c = getopt(argc, argv, "d:sr:h?")) != EOF ) {
switch( c ) {
case 'd':
strncpy(device_name, optarg, FILENAME_MAX - 1);
break;
case 's':
set = 1;
break;
case 'r':
region = strtoul(optarg, NULL, 10);
printf("region %d\n", region);
break;
case 'h':
case '?':
default:
usage();
return -1;
break;
}
}
if( optind != argc ) {
fprintf(stderr, "Unknown argument\n");
usage();
return -1;
}
if( !(dvdcss = dvdcss_open(device_name)) ) {
usage();
return 1;
}
{
int copyright;
ret = ioctl_ReadCopyright( dvdcss->i_fd, 0, ©right );
printf( "ret %d, copyright %d\n", ret, copyright );
}
if( (ret = print_region(dvdcss->i_fd)) < 0 )
return ret;
if( set ) {
if( !region ) {
fprintf( stderr, "you must specify the region!\n" );
exit(0);
}
if( (ret = set_region(dvdcss->i_fd, region)) < 0 )
return ret;
}
exit( 0 );
}