sbsigntools/image.h

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C
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#ifndef IMAGE_H
#define IMAGE_H
#include <stdint.h>
#include <bfd.h>
#define DO_NOT_DEFINE_LINENO
#include "coff/x86_64.h"
#include "coff/external.h"
#include "coff/pe.h"
struct region {
void *data;
int size;
char *name;
};
struct image {
int fd;
void *buf;
size_t size;
/* Pointers to interesting parts of the image */
uint32_t *checksum;
struct external_PEI_DOS_hdr *doshdr;
struct external_PEI_IMAGE_hdr *pehdr;
PEPAOUTHDR *aouthdr;
struct data_dir_entry *data_dir;
struct data_dir_entry *data_dir_sigtable;
struct external_scnhdr *scnhdr;
int sections;
void *cert_table;
int cert_table_size;
/* Regions that are included in the image hash: populated
* during image parsing, then used during the hash process.
*/
struct region *checksum_regions;
int n_checksum_regions;
/* Generated signature */
void *sigbuf;
size_t sigsize;
};
struct data_dir_entry {
uint32_t addr;
uint32_t size;
} __attribute__((packed));
struct cert_table_header {
uint32_t size;
uint16_t revision;
uint16_t type;
} __attribute__((packed));
struct image *image_load(const char *filename);
int image_pecoff_parse(struct image *image);
int image_find_regions(struct image *image);
int image_hash_sha256(struct image *image, uint8_t digest[]);
int image_write_signed(struct image *image, const char *filename);
#endif /* IMAGE_H */