1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* apk_extract.c - Alpine Package Keeper (APK)
*
* Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
* Copyright (C) 2008-2021 Timo Teräs <timo.teras@iki.fi>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-only
*/
#ifndef APK_EXTRACT
#define APK_EXTRACT
#include "apk_crypto.h"
#include "apk_print.h"
#include "apk_io.h"
struct apk_ctx;
struct apk_extract_ctx;
#define APK_EXTRACTF_NO_CHOWN 0x0001
#define APK_EXTRACTF_NO_OVERWRITE 0x0002
int apk_extract_file(int atfd, const struct apk_file_info *ae,
const char *extract_name, const char *hardlink_name,
struct apk_istream *is,
apk_progress_cb cb, void *cb_ctx, struct apk_digest_ctx *dctx,
unsigned int extract_flags, struct apk_out *out);
typedef int (*apk_extract_cb)(struct apk_extract_ctx *,
const struct apk_file_info *ae,
struct apk_istream *istream);
struct apk_extract_ctx {
struct apk_ctx *ac;
apk_extract_cb cb;
struct apk_checksum *identity;
unsigned generate_identity : 1;
unsigned metadata : 1;
unsigned metadata_verified : 1;
void *pctx;
};
static inline void apk_extract_init(struct apk_extract_ctx *ectx, struct apk_ctx *ac, apk_extract_cb cb) {
*ectx = (struct apk_extract_ctx){.ac = ac, .cb = cb};
}
static inline void apk_extract_reset(struct apk_extract_ctx *ectx) {
apk_extract_init(ectx, ectx->ac, ectx->cb);
}
static inline void apk_extract_generate_identity(struct apk_extract_ctx *ctx, struct apk_checksum *id) {
ctx->identity = id;
ctx->generate_identity = 1;
}
static inline void apk_extract_verify_identity(struct apk_extract_ctx *ctx, struct apk_checksum *id) {
ctx->identity = id;
}
int apk_extract(struct apk_extract_ctx *, struct apk_istream *is);
int apk_extract_v2(struct apk_extract_ctx *, struct apk_istream *is);
void apk_extract_v2_control(struct apk_extract_ctx *, apk_blob_t, apk_blob_t);
int apk_extract_v3(struct apk_extract_ctx *, struct apk_istream *is);
#endif
|
