1 /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
2 
3 #ifndef __LIBBPF_ZIP_H
4 #define __LIBBPF_ZIP_H
5 
6 #include <linux/types.h>
7 
8 /* Represents an open zip archive.
9  * Only basic ZIP files are supported, in particular the following are not
10  * supported:
11  * - encryption
12  * - streaming
13  * - multi-part ZIP files
14  * - ZIP64
15  */
16 struct zip_archive;
17 
18 /* Carries information on name, compression method, and data corresponding to a
19  * file in a zip archive.
20  */
21 struct zip_entry {
22 	/* Compression method as defined in pkzip spec. 0 means data is uncompressed. */
23 	__u16 compression;
24 
25 	/* Non-null terminated name of the file. */
26 	const char *name;
27 	/* Length of the file name. */
28 	__u16 name_length;
29 
30 	/* Pointer to the file data. */
31 	const void *data;
32 	/* Length of the file data. */
33 	__u32 data_length;
34 	/* Offset of the file data within the archive. */
35 	__u32 data_offset;
36 };
37 
38 /* Open a zip archive. Returns NULL in case of an error. */
39 struct zip_archive *zip_archive_open(const char *path);
40 
41 /* Close a zip archive and release resources. */
42 void zip_archive_close(struct zip_archive *archive);
43 
44 /* Look up an entry corresponding to a file in given zip archive. */
45 int zip_archive_find_entry(struct zip_archive *archive, const char *name, struct zip_entry *out);
46 
47 #endif
48