Andrew's git - gitweb.git/blob

   1#ifndef GPG_INTERFACE_H
   2#define GPG_INTERFACE_H
   3
   4#define GPG_VERIFY_VERBOSE              1
   5#define GPG_VERIFY_RAW                  2
   6#define GPG_VERIFY_OMIT_STATUS  4
   7
   8struct signature_check {
   9        char *payload;
  10        char *gpg_output;
  11        char *gpg_status;
  12
  13        /*
  14         * possible "result":
  15         * 0 (not checked)
  16         * N (checked but no further result)
  17         * U (untrusted good)
  18         * G (good)
  19         * B (bad)
  20         */
  21        char result;
  22        char *signer;
  23        char *key;
  24};
  25
  26void signature_check_clear(struct signature_check *sigc);
  27
  28/*
  29 * Look at GPG signed content (e.g. a signed tag object), whose
  30 * payload is followed by a detached signature on it.  Return the
  31 * offset where the embedded detached signature begins, or the end of
  32 * the data when there is no such signature.
  33 */
  34size_t parse_signature(const char *buf, size_t size);
  35
  36void parse_gpg_output(struct signature_check *);
  37
  38/*
  39 * Create a detached signature for the contents of "buffer" and append
  40 * it after "signature"; "buffer" and "signature" can be the same
  41 * strbuf instance, which would cause the detached signature appended
  42 * at the end.
  43 */
  44int sign_buffer(struct strbuf *buffer, struct strbuf *signature,
  45                const char *signing_key);
  46
  47/*
  48 * Run "gpg" to see if the payload matches the detached signature.
  49 * gpg_output, when set, receives the diagnostic output from GPG.
  50 * gpg_status, when set, receives the status output from GPG.
  51 */
  52int verify_signed_buffer(const char *payload, size_t payload_size,
  53                         const char *signature, size_t signature_size,
  54                         struct strbuf *gpg_output, struct strbuf *gpg_status);
  55
  56int git_gpg_config(const char *, const char *, void *);
  57void set_signing_key(const char *);
  58const char *get_signing_key(void);
  59int check_signature(const char *payload, size_t plen,
  60                    const char *signature, size_t slen,
  61                    struct signature_check *sigc);
  62void print_signature_buffer(const struct signature_check *sigc,
  63                            unsigned flags);
  64
  65#endif