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git/gpg-interface.h

96 lines
2.5 KiB

#ifndef GPG_INTERFACE_H
#define GPG_INTERFACE_H
struct strbuf;
#define GPG_VERIFY_VERBOSE 1
#define GPG_VERIFY_RAW 2
#define GPG_VERIFY_OMIT_STATUS 4
enum signature_trust_level {
TRUST_UNDEFINED,
TRUST_NEVER,
TRUST_MARGINAL,
TRUST_FULLY,
TRUST_ULTIMATE,
};
enum payload_type {
SIGNATURE_PAYLOAD_UNDEFINED,
SIGNATURE_PAYLOAD_COMMIT,
SIGNATURE_PAYLOAD_TAG,
SIGNATURE_PAYLOAD_PUSH_CERT,
};
struct signature_check {
char *payload;
size_t payload_len;
enum payload_type payload_type;
timestamp_t payload_timestamp;
char *output;
char *gpg_status;
/*
* possible "result":
* 0 (not checked)
* N (checked but no further result)
* G (good)
* B (bad)
*/
char result;
char *signer;
char *key;
char *fingerprint;
char *primary_key_fingerprint;
enum signature_trust_level trust_level;
};
void signature_check_clear(struct signature_check *sigc);
/*
* Look at a GPG signed tag object. If such a signature exists, store it in
* signature and the signed content in payload. Return 1 if a signature was
* found, and 0 otherwise.
*/
int parse_signature(const char *buf, size_t size, struct strbuf *payload, struct strbuf *signature);
/*
* Look at GPG signed content (e.g. a signed tag object), whose
* payload is followed by a detached signature on it. Return the
* offset where the embedded detached signature begins, or the end of
* the data when there is no such signature.
*/
size_t parse_signed_buffer(const char *buf, size_t size);
/*
* Create a detached signature for the contents of "buffer" and append
* it after "signature"; "buffer" and "signature" can be the same
* strbuf instance, which would cause the detached signature appended
* at the end.
*/
int sign_buffer(struct strbuf *buffer, struct strbuf *signature,
const char *signing_key);
/*
* Returns corresponding string in lowercase for a given member of
* enum signature_trust_level. For example, `TRUST_ULTIMATE` will
* return "ultimate".
*/
const char *gpg_trust_level_to_str(enum signature_trust_level level);
int git_gpg_config(const char *, const char *, void *);
void set_signing_key(const char *);
const char *get_signing_key(void);
/*
* Returns a textual unique representation of the signing key in use
* Either a GPG KeyID or a SSH Key Fingerprint
*/
const char *get_signing_key_id(void);
int check_signature(struct signature_check *sigc,
const char *signature, size_t slen);
void print_signature_buffer(const struct signature_check *sigc,
unsigned flags);
#endif