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e63cefb024
"git merge signed-tag" while lacking the public key started to say "No signature", which was utterly wrong. This regression has been reverted. * hi/gpg-use-check-signature: Revert "gpg-interface: prefer check_signature() for GPG verification"
75 lines
2 KiB
C
75 lines
2 KiB
C
#ifndef GPG_INTERFACE_H
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#define GPG_INTERFACE_H
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struct strbuf;
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#define GPG_VERIFY_VERBOSE 1
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#define GPG_VERIFY_RAW 2
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#define GPG_VERIFY_OMIT_STATUS 4
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enum signature_trust_level {
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TRUST_UNDEFINED,
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TRUST_NEVER,
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TRUST_MARGINAL,
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TRUST_FULLY,
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TRUST_ULTIMATE,
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};
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struct signature_check {
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char *payload;
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char *gpg_output;
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char *gpg_status;
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/*
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* possible "result":
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* 0 (not checked)
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* N (checked but no further result)
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* G (good)
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* B (bad)
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*/
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char result;
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char *signer;
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char *key;
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char *fingerprint;
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char *primary_key_fingerprint;
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enum signature_trust_level trust_level;
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};
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void signature_check_clear(struct signature_check *sigc);
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/*
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* Look at GPG signed content (e.g. a signed tag object), whose
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* payload is followed by a detached signature on it. Return the
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* offset where the embedded detached signature begins, or the end of
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* the data when there is no such signature.
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*/
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size_t parse_signature(const char *buf, size_t size);
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/*
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* Create a detached signature for the contents of "buffer" and append
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* it after "signature"; "buffer" and "signature" can be the same
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* strbuf instance, which would cause the detached signature appended
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* at the end.
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*/
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int sign_buffer(struct strbuf *buffer, struct strbuf *signature,
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const char *signing_key);
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/*
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* Run "gpg" to see if the payload matches the detached signature.
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* gpg_output, when set, receives the diagnostic output from GPG.
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* gpg_status, when set, receives the status output from GPG.
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*/
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int verify_signed_buffer(const char *payload, size_t payload_size,
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const char *signature, size_t signature_size,
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struct strbuf *gpg_output, struct strbuf *gpg_status);
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int git_gpg_config(const char *, const char *, void *);
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void set_signing_key(const char *);
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const char *get_signing_key(void);
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int check_signature(const char *payload, size_t plen,
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const char *signature, size_t slen,
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struct signature_check *sigc);
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void print_signature_buffer(const struct signature_check *sigc,
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unsigned flags);
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#endif
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