65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* 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
|