-static const struct {
- const char *protocol;
- notmuch_status_t (*get_context) (_notmuch_crypto_t *crypto, GMimeCryptoContext **ctx);
-} protocols[] = {
- {
- .protocol = "application/pgp-signature",
- .get_context = get_gpg_context,
- },
- {
- .protocol = "application/pgp-encrypted",
- .get_context = get_gpg_context,
- },
- {
- .protocol = "application/pkcs7-signature",
- .get_context = get_pkcs7_context,
- },
- {
- .protocol = "application/x-pkcs7-signature",
- .get_context = get_pkcs7_context,
- },
-};
-
-/* for the specified protocol return the context pointer (initializing
- * if needed) */
-notmuch_status_t
-_notmuch_crypto_get_gmime_ctx_for_protocol (_notmuch_crypto_t *crypto,
- const char *protocol,
- GMimeCryptoContext **ctx)
-{
- if (! protocol)
- return NOTMUCH_STATUS_MALFORMED_CRYPTO_PROTOCOL;
-
- /* As per RFC 1847 section 2.1: "the [protocol] value token is
- * comprised of the type and sub-type tokens of the Content-Type".
- * As per RFC 1521 section 2: "Content-Type values, subtypes, and
- * parameter names as defined in this document are
- * case-insensitive." Thus, we use strcasecmp for the protocol.
- */
- for (size_t i = 0; i < ARRAY_SIZE (protocols); i++) {
- if (strcasecmp (protocol, protocols[i].protocol) == 0)
- return protocols[i].get_context (crypto, ctx);
- }