- if (format->part_start)
- format->part_start (part, &(state->part_count));
- }
-
- /* handle PGP/MIME parts */
- if (GMIME_IS_MULTIPART (part) && params->cryptoctx) {
- GMimeMultipart *multipart = GMIME_MULTIPART (part);
- GError* err = NULL;
-
- if (GMIME_IS_MULTIPART_ENCRYPTED (part) && params->decrypt)
- {
- if ( g_mime_multipart_get_count (multipart) != 2 ) {
- /* this violates RFC 3156 section 4, so we won't bother with it. */
- fprintf (stderr,
- "Error: %d part(s) for a multipart/encrypted message (should be exactly 2)\n",
- g_mime_multipart_get_count (multipart));
- } else {
- GMimeMultipartEncrypted *encrypteddata = GMIME_MULTIPART_ENCRYPTED (part);
- GMimeObject *decryptedpart = g_mime_multipart_encrypted_decrypt (encrypteddata, params->cryptoctx, &err);
- if (decryptedpart) {
- if ((selected || state->in_zone) && format->part_encstatus)
- format->part_encstatus (1);
- const GMimeSignatureValidity *sigvalidity = g_mime_multipart_encrypted_get_signature_validity (encrypteddata);
- if (!sigvalidity)
- fprintf (stderr, "Failed to verify signed part: %s\n", (err ? err->message : "no error explanation given"));
- if ((selected || state->in_zone) && format->part_sigstatus)
- format->part_sigstatus (sigvalidity);
- /* swap the part with the decrypted part */
- part = decryptedpart;
- } else {
- fprintf (stderr, "Failed to decrypt part: %s\n", (err ? err->message : "no error explanation given"));
- if ((selected || state->in_zone) && format->part_encstatus)
- format->part_encstatus (0);
- }
- }
- }
- else if (GMIME_IS_MULTIPART_SIGNED (part))
- {
- if ( g_mime_multipart_get_count (multipart) != 2 ) {
- /* this violates RFC 3156 section 5, so we won't bother with it. */
- fprintf (stderr,
- "Error: %d part(s) for a multipart/signed message (should be exactly 2)\n",
- g_mime_multipart_get_count (multipart));
- } else {
- /* For some reason the GMimeSignatureValidity returned
- * here is not a const (inconsistent with that
- * returned by
- * g_mime_multipart_encrypted_get_signature_validity,
- * and therefore needs to be properly disposed of.
- * Hopefully the API will become more consistent. */
- GMimeSignatureValidity *sigvalidity = g_mime_multipart_signed_verify (GMIME_MULTIPART_SIGNED (part), params->cryptoctx, &err);
- if (!sigvalidity) {
- fprintf (stderr, "Failed to verify signed part: %s\n", (err ? err->message : "no error explanation given"));
- }
- if ((selected || state->in_zone) && format->part_sigstatus)
- format->part_sigstatus (sigvalidity);
- /* extract only data part, and ignore signature part */
- part = g_mime_multipart_get_part (multipart, 0);
- if (sigvalidity)
- g_mime_signature_validity_free (sigvalidity);
- }
- }
-
- if (err)
- g_error_free (err);
- }
- /* end handle PGP/MIME parts */