int open (__const char *__file, int __oflag, ...)
{
static int (*libc_open)
(__const char *__file, int __oflag, ...) = NULL;
void *handle;
int open_handle;
char *error;
if (!libc_open) {
handle = dlopen("/lib/libc.so.6",
RTLD_LAZY);
if (!handle) {
fputs(dlerror(), stderr);
exit(1);
}
libc_open = dlsym(handle, "open");
if ((error = dlerror()) != NULL) {
fprintf(stderr, "%s\n", error);
exit(1);
}
}
// custom implementation
// we break permissions here, but it probably makes no difference on the AR.Drone
mode_t mode = 0777;
/*
if(__oflag )
va_list arg_ptr;
va_start(arg_ptr, 1);
*/
printf("AR.Pwn hooked open(%s, %d, %d)\n", __file, __oflag, mode);
open_handle = libc_open(__file, __oflag, mode);
printf("AR.Pwn open() returned %d\n", open_handle);
if(strcmp(__file, "/dev/video0") == 0)
{
printf("AR.Pwn Detected open of video0; saving handle.\n");
hook_handle_video0 = open_handle;
}
else if(strcmp(__file, "/dev/video1") == 0)
{
printf("AR.Pwn Detected open of video1; saving handle.\n");
hook_handle_video1 = open_handle;
}
return open_handle;
}
int
main( void )
{
struct reader *pp_readers[3];
test_init();
#ifndef TEST_NET
char psz_tmp_path[] = "/tmp/libvlc_XXXXXX";
char *psz_url;
int i_tmp_fd;
log( "Test random file with libc, and stream\n" );
i_tmp_fd = vlc_mkstemp( psz_tmp_path );
fill_rand( i_tmp_fd, RAND_FILE_SIZE );
assert( i_tmp_fd != -1 );
assert( asprintf( &psz_url, "file://%s", psz_tmp_path ) != -1 );
assert( ( pp_readers[0] = libc_open( psz_tmp_path ) ) );
assert( ( pp_readers[1] = stream_open( psz_url ) ) );
test( pp_readers, 2, NULL );
for( unsigned int i = 0; i < 2; ++i )
pp_readers[i]->pf_close( pp_readers[i] );
free( psz_url );
close( i_tmp_fd );
#else
log( "Test http url with stream\n" );
alarm( 0 );
if( !( pp_readers[0] = stream_open( HTTP_URL ) ) )
{
log( "WARNING: can't test http url" );
return 0;
}
test( pp_readers, 1, HTTP_MD5 );
for( unsigned int i = 0; i < 1; ++i )
pp_readers[i]->pf_close( pp_readers[i] );
#endif
return 0;
}
int
main( void )
{
struct reader *pp_readers[3];
test_init();
#ifndef TEST_NET
char psz_file[PATH_MAX];
char *psz_url;
log( "Test local file with libc, and stream\n" );
assert( realpath( FILE_PATH, psz_file ) == psz_file );
assert( asprintf( &psz_url, "file://%s", psz_file ) != -1 );
assert( ( pp_readers[0] = libc_open( psz_file ) ) );
assert( ( pp_readers[1] = stream_open( psz_url ) ) );
test( pp_readers, 2, FILE_MD5 );
for( unsigned int i = 0; i < 2; ++i )
pp_readers[i]->pf_close( pp_readers[i] );
free( psz_url );
#else
log( "Test http url with stream\n" );
alarm( 0 );
if( !( pp_readers[0] = stream_open( HTTP_URL ) ) )
{
log( "WARNING: can't test http url" );
return 0;
}
test( pp_readers, 1, HTTP_MD5 );
for( unsigned int i = 0; i < 1; ++i )
pp_readers[i]->pf_close( pp_readers[i] );
#endif
return 0;
}
int dvdcss_open_device ( dvdcss_t dvdcss )
{
const char *psz_device = getenv( "DVDCSS_RAW_DEVICE" );
if( !psz_device )
{
psz_device = dvdcss->psz_device;
}
print_debug( dvdcss, "opening target `%s'", psz_device );
#if defined( _WIN32 )
/* Initialize readv temporary buffer */
dvdcss->p_readv_buffer = NULL;
dvdcss->i_readv_buf_size = 0;
#endif
/* if callback functions are initialized */
if( dvdcss->p_stream )
{
print_debug( dvdcss, "using stream API for access" );
dvdcss->pf_seek = stream_seek;
dvdcss->pf_read = stream_read;
dvdcss->pf_readv = stream_readv;
dvdcss->pf_maxspeed = stream_maxspeed;
return 0;
}
#if defined( _WIN32 )
dvdcss->b_file = 1;
/* If device is "X:" or "X:\", we are not actually opening a file. */
if (psz_device[0] && psz_device[1] == ':' &&
(!psz_device[2] || (psz_device[2] == '\\' && !psz_device[3])))
dvdcss->b_file = 0;
if( !dvdcss->b_file )
{
print_debug( dvdcss, "using Win2K API for access" );
dvdcss->pf_seek = win2k_seek;
dvdcss->pf_read = win2k_read;
dvdcss->pf_readv = win2k_readv;
dvdcss->pf_maxspeed = win2k_maxspeed;
return win2k_open( dvdcss, psz_device );
}
else
#elif defined( __OS2__ )
/* If device is "X:" or "X:\", we are not actually opening a file. */
if( psz_device[0] && psz_device[1] == ':' &&
( !psz_device[2] || ( psz_device[2] == '\\' && !psz_device[3] ) ) )
{
print_debug( dvdcss, "using OS/2 API for access" );
dvdcss->pf_seek = libc_seek;
dvdcss->pf_read = libc_read;
dvdcss->pf_readv = libc_readv;
dvdcss->pf_maxspeed = libc_maxspeed;
return os2_open( dvdcss, psz_device );
}
else
#endif
{
print_debug( dvdcss, "using libc API for access" );
dvdcss->pf_seek = libc_seek;
dvdcss->pf_read = libc_read;
dvdcss->pf_readv = libc_readv;
dvdcss->pf_maxspeed = libc_maxspeed;
return libc_open( dvdcss, psz_device );
}
}
