Added get_attributes() method to pkcs7_t.

src/libstrongswan/crypto/pkcs7.c

@@ -681,6 +681,12 @@ METHOD(pkcs7_t, set_attributes, void,
 	this->attributes = attributes;
 }
 
+METHOD(pkcs7_t, get_attributes, pkcs9_t*,
+	private_pkcs7_t *this)
+{
+	return this->attributes;
+}
+
 /**
  * build a DER-encoded issuerAndSerialNumber object
  */
@@ -990,6 +996,7 @@ static private_pkcs7_t *pkcs7_create_empty(void)
 			.create_certificate_enumerator = _create_certificate_enumerator,
 			.set_certificate = _set_certificate,
 			.set_attributes = _set_attributes,
+			.get_attributes = _get_attributes,
 			.build_envelopedData = _build_envelopedData,
 			.build_signedData = _build_signedData,
 			.destroy = _destroy,

src/libstrongswan/crypto/pkcs7.h

@@ -112,10 +112,17 @@ struct pkcs7_t {
 	/**
 	 * Add authenticated attributes.
 	 *
-	 * @param attributes	attributes to be included
+	 * @param attributes	attributes to be included (gets adopted)
 	 */
 	void (*set_attributes) (pkcs7_t *this, pkcs9_t *attributes);
 
+	/**
+	 * Get attributes.
+	 *
+	 * @reutrn				attributes (internal data)
+	 */
+	pkcs9_t *(*get_attributes) (pkcs7_t *this);
+
 	/**
 	 * Build a data object
 	 *