예제 #1
0
/* Retrieves the name of a directory entry by name ignoring case
 * If a corresponding entry is found entry name is update
 * This function is needed to find case insensitive directory entries on a case sensitive system
 * Return 1 if successful, 0 if no corresponding entry was found or -1 on error
 */
int path_handle_get_directory_entry_name_by_name_no_case(
     path_handle_t *path_handle,
     const libcstring_system_character_t *path,
     size_t path_length,
     libcstring_system_character_t *entry_name,
     size_t entry_name_size,
     uint8_t entry_type,
     libcerror_error_t **error )
{
	libcdirectory_directory_t *directory                = NULL;
	libcdirectory_directory_entry_t *directory_entry    = NULL;
	libcstring_system_character_t *directory_entry_name = NULL;
	static char *function                               = "path_handle_get_directory_entry_name_by_name_no_case";
	size_t directory_entry_name_length                  = 0;
	int result                                          = 0;

	if( path_handle == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid path handle.",
		 function );

		return( -1 );
	}
	if( path_length > (size_t) SSIZE_MAX )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
		 "%s: invalid path length value exceeds maximum.",
		 function );

		return( -1 );
	}
	if( entry_name == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid entry name.",
		 function );

		return( -1 );
	}
	if( entry_name_size > (size_t) SSIZE_MAX )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
		 "%s: invalid entry name size value exceeds maximum.",
		 function );

		return( -1 );
	}
	if( entry_name == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid entry name.",
		 function );

		return( -1 );
	}
	if( libcdirectory_directory_initialize(
	     &directory,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
		 "%s: unable to create directory.",
		 function );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libcdirectory_directory_open_wide(
		  directory,
		  path,
		  error );
#else
	result = libcdirectory_directory_open(
		  directory,
		  path,
		  error );
#endif
	if( result != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_OPEN_FAILED,
		 "%s: unable to open directory: %" PRIs_LIBCSTRING_SYSTEM ".",
		 function,
		 path );

		goto on_error;
	}
	if( libcdirectory_directory_entry_initialize(
	     &directory_entry,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
		 "%s: unable to create directory entry.",
		 function );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libcdirectory_directory_has_entry_wide(
		  directory,
		  directory_entry,
		  entry_name,
		  entry_name_size - 1,
		  entry_type,
		  LIBCDIRECTORY_COMPARE_FLAG_NO_CASE,
		  error );
#else
	result = libcdirectory_directory_has_entry(
		  directory,
		  directory_entry,
		  entry_name,
		  entry_name_size - 1,
		  entry_type,
		  LIBCDIRECTORY_COMPARE_FLAG_NO_CASE,
		  error );
#endif
	if( result == -1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_GENERIC,
		 "%s: unable to determine if directory has entry: %" PRIs_LIBCSTRING_SYSTEM ".",
		 function,
		 entry_name );

		goto on_error;
	}
	else if( result != 0 )
	{
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
		result = libcdirectory_directory_entry_get_name_wide(
			  directory_entry,
			  (wchar_t **) &directory_entry_name,
			  error );
#else
		result = libcdirectory_directory_entry_get_name(
			  directory_entry,
			  (char **) &directory_entry_name,
			  error );
#endif
		if( result != 1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
			 "%s: unable to retrieve directory entry name.",
			 function );

			goto on_error;
		}
		directory_entry_name_length = libcstring_system_string_length(
					       directory_entry_name );

		if( ( directory_entry_name_length + 1 ) != entry_name_size )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
			 "%s: entry name length value out of bounds.",
			 function );

			goto on_error;
		}
		if( libcstring_system_string_copy(
		     entry_name,
		     directory_entry_name,
		     directory_entry_name_length ) == NULL )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
			 "%s: unable to set entry name.",
			 function );

			goto on_error;
		}
	}
	if( libcdirectory_directory_entry_free(
	     &directory_entry,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
		 "%s: unable to free directory entry.",
		 function );

		goto on_error;
	}
	if( libcdirectory_directory_close(
	     directory,
	     error ) != 0 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_CLOSE_FAILED,
		 "%s: unable to close directory.",
		 function );

		goto on_error;
	}
	if( libcdirectory_directory_free(
	     &directory,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
		 "%s: unable to free directory.",
		 function );

		goto on_error;
	}
	return( result );

on_error:
	if( directory_entry != NULL )
	{
		libcdirectory_directory_entry_free(
		 &directory_entry,
		 NULL );
	}
	if( directory != NULL )
	{
		libcdirectory_directory_free(
		 &directory,
		 NULL );
	}
	return( -1 );
}
/* Tests the libcdirectory_directory_entry_get_name_wide function
 * Returns 1 if successful or 0 if not
 */
int cdirectory_test_directory_entry_get_name_wide(
     void )
{
	libcdirectory_directory_t *directory             = NULL;
	libcdirectory_directory_entry_t *directory_entry = NULL;
	libcerror_error_t *error                         = NULL;
	wchar_t *entry_name                              = NULL;
	int result                                       = 0;

	/* Initialize test
	 */
	result = libcdirectory_directory_initialize(
	          &directory,
	          &error );

	result = libcdirectory_directory_open(
	          directory,
	          ".",
	          &error );

	result = libcdirectory_directory_entry_initialize(
	          &directory_entry,
	          &error );

	result = libcdirectory_directory_has_entry_wide(
	          directory,
	          directory_entry,
	          L"Makefile.am",
	          11,
	          LIBCDIRECTORY_ENTRY_TYPE_FILE,
	          0,
	          &error );

	/* Test retrieving the name of a directory entry
	 */
	result = libcdirectory_directory_entry_get_name_wide(
	          directory_entry,
	          &entry_name,
	          &error );

	CDIRECTORY_TEST_ASSERT_EQUAL_INT(
	 "result",
	 result,
	 1 );

	CDIRECTORY_TEST_ASSERT_IS_NULL(
	 "error",
	 error );

	result = wide_string_compare(
	          entry_name,
	          L"Makefile.am",
	          11 );

	CDIRECTORY_TEST_ASSERT_EQUAL_INT(
	 "result",
	 result,
	 0 );

	/* Test error cases
	 */
	result = libcdirectory_directory_entry_get_name_wide(
	          NULL,
	          &entry_name,
	          &error );

	CDIRECTORY_TEST_ASSERT_EQUAL_INT(
	 "result",
	 result,
	 -1 );

	CDIRECTORY_TEST_ASSERT_IS_NOT_NULL(
	 "error",
	 error );

	libcerror_error_free(
	 &error );

	result = libcdirectory_directory_entry_get_name_wide(
	          directory_entry,
	          NULL,
	          &error );

	CDIRECTORY_TEST_ASSERT_EQUAL_INT(
	 "result",
	 result,
	 -1 );

	CDIRECTORY_TEST_ASSERT_IS_NOT_NULL(
	 "error",
	 error );

	libcerror_error_free(
	 &error );

	/* Clean up
	 */
	result = libcdirectory_directory_entry_free(
	          &directory_entry,
	          NULL );

	result = libcdirectory_directory_free(
	          &directory,
	          NULL );

	return( 1 );

on_error:
	if( error != NULL )
	{
		libcerror_error_free(
		 &error );
	}
	if( directory_entry != NULL )
	{
		libcdirectory_directory_entry_free(
		 &directory_entry,
		 NULL );
	}
	if( directory != NULL )
	{
		libcdirectory_directory_free(
		 &directory,
		 NULL );
	}
	return( 0 );
}