+#if (GMIME_MAJOR_VERSION < 3)
+/* Create a GPG context (GMime 2.6) */
+static notmuch_crypto_context_t *
+create_gpg_context (notmuch_crypto_t *crypto)
+{
+ notmuch_crypto_context_t *gpgctx;
+
+ if (crypto->gpgctx)
+ return crypto->gpgctx;
+
+ /* TODO: GMimePasswordRequestFunc */
+ gpgctx = g_mime_gpg_context_new (NULL, crypto->gpgpath ? crypto->gpgpath : "gpg");
+ if (! gpgctx) {
+ fprintf (stderr, "Failed to construct gpg context.\n");
+ return NULL;
+ }
+ crypto->gpgctx = gpgctx;
+
+ g_mime_gpg_context_set_use_agent ((GMimeGpgContext *) gpgctx, TRUE);
+ g_mime_gpg_context_set_always_trust ((GMimeGpgContext *) gpgctx, FALSE);
+
+ return gpgctx;
+}
+
+/* Create a PKCS7 context (GMime 2.6) */
+static notmuch_crypto_context_t *
+create_pkcs7_context (notmuch_crypto_t *crypto)
+{
+ notmuch_crypto_context_t *pkcs7ctx;
+
+ if (crypto->pkcs7ctx)
+ return crypto->pkcs7ctx;
+
+ /* TODO: GMimePasswordRequestFunc */
+ pkcs7ctx = g_mime_pkcs7_context_new (NULL);
+ if (! pkcs7ctx) {
+ fprintf (stderr, "Failed to construct pkcs7 context.\n");
+ return NULL;
+ }
+ crypto->pkcs7ctx = pkcs7ctx;
+
+ g_mime_pkcs7_context_set_always_trust ((GMimePkcs7Context *) pkcs7ctx,
+ FALSE);
+
+ return pkcs7ctx;
+}
+static const struct {
+ const char *protocol;
+ notmuch_crypto_context_t *(*get_context) (notmuch_crypto_t *crypto);
+} protocols[] = {
+ {
+ .protocol = "application/pgp-signature",
+ .get_context = create_gpg_context,
+ },
+ {
+ .protocol = "application/pgp-encrypted",
+ .get_context = create_gpg_context,
+ },
+ {
+ .protocol = "application/pkcs7-signature",
+ .get_context = create_pkcs7_context,
+ },
+ {
+ .protocol = "application/x-pkcs7-signature",
+ .get_context = create_pkcs7_context,
+ },
+};