| 1 | /* Find the "micalg" parameter from the last Gpgme operation on |
|---|---|
| 2 | context CTX. It is expected that this operation was a sign |
| 3 | operation. Return the algorithm name as a C string in buffer BUF |
| 4 | which must have been allocated by the caller with size BUFLEN. |
| 5 | Returns 0 on success or -1 in case of an error. The return string |
| 6 | is truncted to BUFLEN - 1. */ |
| 7 | static int get_micalg (gpgme_ctx_t ctx, int use_smime, char *buf, size_t buflen) |
| 8 | { |
| 9 | gpgme_sign_result_t result = NULL; |
| 10 | const char *algorithm_name = NULL; |
| 11 | |
| 12 | if (buflen < 5) |
| 13 | return -1; |
| 14 | |
| 15 | *buf = 0; |
| 16 | result = gpgme_op_sign_result (ctx); |
| 17 | if (result && result->signatures) |
| 18 | { |
| 19 | algorithm_name = gpgme_hash_algo_name (result->signatures->hash_algo); |
| 20 | if (algorithm_name) |
| 21 | { |
| 22 | if (use_smime) |
| 23 | { |
| 24 | /* convert GPGME raw hash name to RFC 2633 format */ |
| 25 | snprintf (buf, buflen, "%s", algorithm_name); |
| 26 | ascii_strlower (buf); |
| 27 | } else { |
| 28 | /* convert GPGME raw hash name to RFC 3156 format */ |
| 29 | snprintf (buf, buflen, "pgp-%s", algorithm_name); |
| 30 | ascii_strlower (buf + 4); |
| 31 | } |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | return *buf? 0:-1; |
| 36 | } |
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get_micalg (from mutt)
get_micalg (from mutt)
Authored by werner on Feb 14 2018, 12:18 PM.
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