int DVDDiscID( dvd_reader_t *dvd, unsigned char *discid )
{
struct md5_ctx ctx;
int title;
int nr_of_files = 0;
int tmp_errno;
int nofiles_errno = ENOENT;
/* Check arguments. */
if( dvd == NULL || discid == NULL ) {
errno = EINVAL;
return -1;
}
/* Go through the first 10 IFO:s, in order,
* and md5sum them, i.e VIDEO_TS.IFO and VTS_0?_0.IFO */
md5_init_ctx( &ctx );
for( title = 0; title < 10; title++ ) {
dvd_file_t *dvd_file = DVDOpenFile( dvd, title, DVD_READ_INFO_FILE );
if( dvd_file != NULL ) {
ssize_t bytes_read;
size_t file_size = dvd_file->filesize * DVD_VIDEO_LB_LEN;
char *buffer = malloc( file_size );
nr_of_files++;
if( buffer == NULL ) {
/* errno will be set to ENOMEM by malloc */
return -1;
}
bytes_read = DVDReadBytes( dvd_file, buffer, file_size );
if( bytes_read != file_size ) {
tmp_errno = errno;
if(dvd->verbose >= 1) {
fprintf( stderr, "libdvdread: DVDDiscId read returned %d bytes"
", wanted %d\n", (int)bytes_read, (int)file_size );
}
free(buffer);
DVDCloseFile( dvd_file );
errno = tmp_errno;
return -1;
}
md5_process_bytes( buffer, file_size, &ctx );
DVDCloseFile( dvd_file );
free( buffer );
} else {
if(errno != ENOENT) {
nofiles_errno = errno;
}
}
}
md5_finish_ctx( &ctx, discid );
if(nr_of_files == 0) {
errno = nofiles_errno;
return -1;
}
return 0;
}
static int fs_open(const char *name, struct fuse_file_info *fi)
{
struct ext_file_info *xfi = malloc(sizeof(struct ext_file_info));
int res;
if (!xfi)
return -ENOMEM;
/* Make sure dvd is open */
if ((res = inc_refcnt(&mi)) < 0)
return res;
if (find_file(&mi, name, xfi)) {
fi->fh = xfi;
xfi->cache = NULL;
xfi->cache_len = 0;
xfi->cache_off = 0;
/* If it's an IFO, read the whole file into the cache */
if (IS_IFO(xfi->domain) && (xfi->cache = malloc(xfi->fi->len))) {
DVDFileSeek(xfi->fi->fd, 0);
if (DVDReadBytes(xfi->fi->fd, xfi->cache, xfi->fi->len) == xfi->fi->len) {
#ifdef FIX_IFO
FIX_IFO(xfi->title, xfi->cache, xfi->fi->len);
#endif
} else {
free(xfi->cache);
xfi->cache = NULL;
}
}
return 0;
}
else {
while (*name == '/')
++name;
if (strcmp(name , ".volume_id") == 0) {
fi->fh = xfi;
xfi->cache = NULL;
xfi->cache_len = 0;
xfi->cache_off = 0;
if(xfi->cache = malloc(VOL_ID_SIZE+1)) {
xfi->fi=&mi.vol_id_info;
xfi->fi->fd=-1; //read will not work unless fd is set
memcpy(xfi->cache,mi.vol_id,VOL_ID_SIZE+1);
fprintf(stderr,"%s\n",xfi->cache);
return 0;
}
}
}
/* Failed so release our reference to dvd */
dec_refcnt(&mi);
free(xfi);
return -ENOENT;
}
int DVDDiscID( dvd_reader_t *dvd, unsigned char *discid )
{
struct md5_ctx ctx;
int title;
int nr_of_files = 0;
/* Check arguments. */
if( dvd == NULL || discid == NULL )
return 0;
/* Go through the first 10 IFO:s, in order,
* and md5sum them, i.e VIDEO_TS.IFO and VTS_0?_0.IFO */
md5_init_ctx( &ctx );
for( title = 0; title < 10; title++ ) {
dvd_file_t *dvd_file = DVDOpenFile( dvd, title, DVD_READ_INFO_FILE );
if( dvd_file != NULL ) {
ssize_t bytes_read;
size_t file_size = dvd_file->filesize * DVD_VIDEO_LB_LEN;
char *buffer_base = malloc( file_size + 2048 );
char *buffer = (char *)(((uintptr_t)buffer_base & ~((uintptr_t)2047)) + 2048);
if( buffer_base == NULL ) {
DVDCloseFile( dvd_file );
fprintf( stderr, "libdvdread: DVDDiscId, failed to "
"allocate memory for file read!\n" );
return -1;
}
bytes_read = DVDReadBytes( dvd_file, buffer, file_size );
if( bytes_read != file_size ) {
fprintf( stderr, "libdvdread: DVDDiscId read returned %zd bytes"
", wanted %zd\n", bytes_read, file_size );
DVDCloseFile( dvd_file );
free( buffer_base );
return -1;
}
md5_process_bytes( buffer, file_size, &ctx );
DVDCloseFile( dvd_file );
free( buffer_base );
nr_of_files++;
}
}
md5_finish_ctx( &ctx, discid );
if(!nr_of_files)
return -1;
return 0;
}
int DVDDiscID( dvd_reader_t *dvd, unsigned char *discid )
{
struct md5_s ctx;
int title;
int title_sets;
int nr_of_files = 0;
ifo_handle_t *vmg_ifo;
/* Check arguments. */
if( dvd == NULL || discid == NULL )
return 0;
vmg_ifo = ifoOpen( dvd, 0 );
if( !vmg_ifo ) {
fprintf( stderr, "libdvdread: DVDDiscId, failed to "
"open VMG IFO!\n" );
return -1;
}
title_sets = vmg_ifo->vmgi_mat->vmg_nr_of_title_sets + 1;
ifoClose( vmg_ifo );
if( title_sets > 10 )
title_sets = 10;
/* Go through the first IFO:s, in order, up until the tenth,
* and md5sum them, i.e VIDEO_TS.IFO and VTS_0?_0.IFO */
InitMD5( &ctx );
for( title = 0; title < title_sets; title++ ) {
dvd_file_t *dvd_file = DVDOpenFile( dvd, title, DVD_READ_INFO_FILE );
if( dvd_file != NULL ) {
ssize_t bytes_read;
ssize_t file_size = dvd_file->filesize * DVD_VIDEO_LB_LEN;
char *buffer_base = malloc( file_size + 2048 );
if( buffer_base == NULL ) {
DVDCloseFile( dvd_file );
fprintf( stderr, "libdvdread: DVDDiscId, failed to "
"allocate memory for file read!\n" );
return -1;
}
char *buffer = (char *)(((uintptr_t)buffer_base & ~((uintptr_t)2047)) + 2048);
bytes_read = DVDReadBytes( dvd_file, buffer, file_size );
if( bytes_read != file_size ) {
fprintf( stderr, "libdvdread: DVDDiscId read returned %zd bytes"
", wanted %zd\n", bytes_read, file_size );
DVDCloseFile( dvd_file );
free( buffer_base );
return -1;
}
AddMD5( &ctx, buffer, file_size );
DVDCloseFile( dvd_file );
free( buffer_base );
nr_of_files++;
}
}
EndMD5( &ctx );
memcpy( discid, ctx.buf, 16 );
if(!nr_of_files)
return -1;
return 0;
}
