/* Retrieves the single file entry sub node for the specific UTF-8 formatted name
* Returns 1 if successful, 0 if no such sub single file entry or -1 on error
*/
int libewf_single_file_tree_get_sub_node_by_utf8_name(
libcdata_tree_node_t *node,
const uint8_t *utf8_string,
size_t utf8_string_length,
libcdata_tree_node_t **sub_node,
libewf_single_file_entry_t **sub_single_file_entry,
libcerror_error_t **error )
{
static char *function = "libewf_single_file_tree_get_sub_node_by_utf8_name";
int number_of_sub_nodes = 0;
int result = 0;
int sub_node_index = 0;
if( node == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid node.",
function );
return( -1 );
}
if( sub_node == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid sub node.",
function );
return( -1 );
}
if( sub_single_file_entry == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid sub single file entry.",
function );
return( -1 );
}
if( libcdata_tree_node_get_number_of_sub_nodes(
node,
&number_of_sub_nodes,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve number of sub nodes.",
function );
goto on_error;
}
if( libcdata_tree_node_get_sub_node_by_index(
node,
0,
sub_node,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve first sub node.",
function );
goto on_error;
}
for( sub_node_index = 0;
sub_node_index < number_of_sub_nodes;
sub_node_index++ )
{
if( libcdata_tree_node_get_value(
*sub_node,
(intptr_t **) sub_single_file_entry,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve value from sub node: %d.",
function,
sub_node_index );
goto on_error;
}
if( *sub_single_file_entry == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
"%s: missing sub single file entry: %d.",
function,
sub_node_index );
goto on_error;
}
if( ( *sub_single_file_entry )->name != NULL )
{
result = libuna_utf8_string_compare_with_utf8_stream(
utf8_string,
utf8_string_length,
( *sub_single_file_entry )->name,
(size_t) ( *sub_single_file_entry )->name_size,
error );
}
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GENERIC,
"%s: unable to compare UTF-8 string.",
function );
return( -1 );
}
else if( result != 0 )
{
break;
}
if( libcdata_tree_node_get_next_node(
*sub_node,
sub_node,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve next node from sub node: %d.",
function,
sub_node_index );
goto on_error;
}
}
if( sub_node_index >= number_of_sub_nodes )
{
*sub_node = NULL;
*sub_single_file_entry = NULL;
return( 0 );
}
return( 1 );
on_error:
*sub_node = NULL;
*sub_single_file_entry = NULL;
return( -1 );
}
/* Retrieves a specific resource by an UTF-16 formatted name
* Returns 1 if successful, 0 if no such resource or -1 on error
*/
int libwrc_stream_get_resource_by_utf16_name(
libwrc_stream_t *stream,
const uint16_t *utf16_string,
size_t utf16_string_length,
libwrc_resource_t **resource,
libcerror_error_t **error )
{
libcdata_tree_node_t *resource_node = NULL;
libwrc_internal_stream_t *internal_stream = NULL;
libwrc_resource_values_t *resource_values = NULL;
static char *function = "libwrc_stream_get_resource_by_type";
int number_of_resources = 0;
int resource_index = 0;
int result = 0;
if( stream == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid stream.",
function );
return( -1 );
}
internal_stream = (libwrc_internal_stream_t *) stream;
if( resource == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid resource.",
function );
return( -1 );
}
if( *resource != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: invalid resource value already set.",
function );
return( -1 );
}
if( libcdata_tree_node_get_number_of_sub_nodes(
internal_stream->resources_root_node,
&number_of_resources,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve number of resources.",
function );
return( -1 );
}
if( libcdata_tree_node_get_sub_node_by_index(
internal_stream->resources_root_node,
0,
&resource_node,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve first resource node.",
function );
return( -1 );
}
for( resource_index = 0;
resource_index < number_of_resources;
resource_index++ )
{
if( libcdata_tree_node_get_value(
resource_node,
(intptr_t **) &resource_values,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve value of resource node: %d.",
function,
resource_index );
return( -1 );
}
if( resource_values == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
"%s: missing resource values: %d.",
function,
resource_index );
return( -1 );
}
if( resource_values->name_string_size > 0 )
{
result = libuna_utf16_string_compare_with_utf16_stream(
utf16_string,
utf16_string_length + 1,
resource_values->name_string,
resource_values->name_string_size,
LIBUNA_ENDIAN_LITTLE,
error );
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GENERIC,
"%s: unable to compare name of resource node: %d.",
function,
resource_index );
return( -1 );
}
else if( result == LIBUNA_COMPARE_EQUAL )
{
if( libwrc_resource_initialize(
resource,
internal_stream->io_handle,
internal_stream->file_io_handle,
resource_node,
LIBWRC_RESOURCE_FLAGS_DEFAULT,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create resource.",
function );
return( -1 );
}
return( 1 );
}
}
if( libcdata_tree_node_get_next_node(
resource_node,
&resource_node,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve next node of resource node: %d.",
function,
resource_index );
return( -1 );
}
}
return( 0 );
}
/* Retrieves the tree node of an item node
* Returns 1 if successful, 0 if the item node was not found or -1 on error
*/
int libpff_item_tree_get_tree_node_by_identifier(
libcdata_tree_node_t *item_tree_node,
uint32_t item_identifier,
libcdata_tree_node_t **result_item_tree_node,
libcerror_error_t **error )
{
libcdata_tree_node_t *sub_tree_node = NULL;
libpff_item_descriptor_t *item_descriptor = NULL;
static char *function = "libpff_item_tree_get_tree_node_by_identifier";
int number_of_sub_nodes = 0;
int result = 0;
int sub_node_index = 0;
if( item_tree_node == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid item tree node.",
function );
return( -1 );
}
if( libcdata_tree_node_get_value(
item_tree_node,
(intptr_t **) &item_descriptor,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve item descriptor.",
function );
return( -1 );
}
if( item_descriptor == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
"%s: missing item descriptor.",
function );
return( -1 );
}
if( item_descriptor->descriptor_identifier == item_identifier )
{
if( result_item_tree_node == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid result item tree node.",
function );
return( -1 );
}
if( *result_item_tree_node != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: result item tree node already set.",
function );
return( -1 );
}
*result_item_tree_node = item_tree_node;
return( 1 );
}
if( libcdata_tree_node_get_number_of_sub_nodes(
item_tree_node,
&number_of_sub_nodes,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve number of sub nodes.",
function );
return( -1 );
}
if( number_of_sub_nodes > 0 )
{
if( libcdata_tree_node_get_sub_node_by_index(
item_tree_node,
0,
&sub_tree_node,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve first sub node.",
function );
return( -1 );
}
for( sub_node_index = 0;
sub_node_index < number_of_sub_nodes;
sub_node_index++ )
{
if( sub_tree_node == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
"%s: corruption detected for sub node: %d.",
function,
sub_node_index );
return( -1 );
}
result = libpff_item_tree_get_tree_node_by_identifier(
sub_tree_node,
item_identifier,
result_item_tree_node,
error );
if( result == -1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to traverse sub node: %d.",
function,
sub_node_index );
return( -1 );
}
else if( result != 0 )
{
break;
}
if( libcdata_tree_node_get_next_node(
sub_tree_node,
&sub_tree_node,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve next node of sub node: %d.",
function,
sub_node_index );
return( -1 );
}
}
}
return( result );
}
/* Retrieves a specific resource by type
* Returns 1 if successful, 0 if no such resource or -1 on error
*/
int libwrc_stream_get_resource_by_type(
libwrc_stream_t *stream,
int type,
libwrc_resource_t **resource,
libcerror_error_t **error )
{
libcdata_tree_node_t *resource_node = NULL;
libwrc_internal_stream_t *internal_stream = NULL;
libwrc_resource_values_t *resource_values = NULL;
static char *function = "libwrc_stream_get_resource_by_type";
int number_of_resources = 0;
int resource_index = 0;
if( stream == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid stream.",
function );
return( -1 );
}
internal_stream = (libwrc_internal_stream_t *) stream;
if( resource == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid resource.",
function );
return( -1 );
}
if( *resource != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: invalid resource value already set.",
function );
return( -1 );
}
if( libcdata_tree_node_get_number_of_sub_nodes(
internal_stream->resources_root_node,
&number_of_resources,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve number of resources.",
function );
return( -1 );
}
if( libcdata_tree_node_get_sub_node_by_index(
internal_stream->resources_root_node,
0,
&resource_node,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve first resource node.",
function );
return( -1 );
}
for( resource_index = 0;
resource_index < number_of_resources;
resource_index++ )
{
if( libcdata_tree_node_get_value(
resource_node,
(intptr_t **) &resource_values,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve value of resource node: %d.",
function,
resource_index );
return( -1 );
}
if( resource_values == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
"%s: missing resource values: %d.",
function,
resource_index );
return( -1 );
}
if( type == resource_values->type )
{
if( libwrc_resource_initialize(
resource,
internal_stream->io_handle,
internal_stream->file_io_handle,
resource_node,
LIBWRC_RESOURCE_FLAGS_DEFAULT,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create resource.",
function );
return( -1 );
}
return( 1 );
}
if( libcdata_tree_node_get_next_node(
resource_node,
&resource_node,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_GET_FAILED,
"%s: unable to retrieve next node of resource node: %d.",
function,
resource_index );
return( -1 );
}
}
return( 0 );
}
