From: Martin Willi <martin@revosec.ch>
Date: Wed, 21 Sep 2011 09:18:27 +0000 (+0200)
Subject: Add features support to gcm plugin
X-Git-Tag: 4.6.0~174
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5cb10a22a3f827fd749db53e7c5188fe3dcb00a5;p=thirdparty%2Fstrongswan.git

Add features support to gcm plugin
---

diff --git a/src/libstrongswan/plugins/gcm/gcm_plugin.c b/src/libstrongswan/plugins/gcm/gcm_plugin.c
index 4b46f0ee45..abfa4f0070 100644
--- a/src/libstrongswan/plugins/gcm/gcm_plugin.c
+++ b/src/libstrongswan/plugins/gcm/gcm_plugin.c
@@ -38,12 +38,37 @@ METHOD(plugin_t, get_name, char*,
 	return "gcm";
 }
 
+METHOD(plugin_t, get_features, int,
+	private_gcm_plugin_t *this, plugin_feature_t *features[])
+{
+	static plugin_feature_t f[] = {
+		PLUGIN_REGISTER(AEAD, gcm_aead_create),
+			PLUGIN_PROVIDE(AEAD, ENCR_AES_GCM_ICV8, 16),
+				PLUGIN_DEPENDS(CRYPTER, ENCR_AES_CBC, 16),
+			PLUGIN_PROVIDE(AEAD, ENCR_AES_GCM_ICV8, 24),
+				PLUGIN_DEPENDS(CRYPTER, ENCR_AES_CBC, 24),
+			PLUGIN_PROVIDE(AEAD, ENCR_AES_GCM_ICV8, 32),
+				PLUGIN_DEPENDS(CRYPTER, ENCR_AES_CBC, 32),
+			PLUGIN_PROVIDE(AEAD, ENCR_AES_GCM_ICV12, 16),
+				PLUGIN_DEPENDS(CRYPTER, ENCR_AES_CBC, 16),
+			PLUGIN_PROVIDE(AEAD, ENCR_AES_GCM_ICV12, 24),
+				PLUGIN_DEPENDS(CRYPTER, ENCR_AES_CBC, 24),
+			PLUGIN_PROVIDE(AEAD, ENCR_AES_GCM_ICV12, 32),
+				PLUGIN_DEPENDS(CRYPTER, ENCR_AES_CBC, 32),
+			PLUGIN_PROVIDE(AEAD, ENCR_AES_GCM_ICV16, 16),
+				PLUGIN_DEPENDS(CRYPTER, ENCR_AES_CBC, 16),
+			PLUGIN_PROVIDE(AEAD, ENCR_AES_GCM_ICV16, 24),
+				PLUGIN_DEPENDS(CRYPTER, ENCR_AES_CBC, 24),
+			PLUGIN_PROVIDE(AEAD, ENCR_AES_GCM_ICV16, 32),
+				PLUGIN_DEPENDS(CRYPTER, ENCR_AES_CBC, 32),
+	};
+	*features = f;
+	return countof(f);
+}
+
 METHOD(plugin_t, destroy, void,
 	private_gcm_plugin_t *this)
 {
-	lib->crypto->remove_aead(lib->crypto,
-					(aead_constructor_t)gcm_aead_create);
-
 	free(this);
 }
 
@@ -53,29 +78,16 @@ METHOD(plugin_t, destroy, void,
 plugin_t *gcm_plugin_create()
 {
 	private_gcm_plugin_t *this;
-	crypter_t *crypter;
 
 	INIT(this,
 		.public = {
 			.plugin = {
 				.get_name = _get_name,
-				.reload = (void*)return_false,
+				.get_features = _get_features,
 				.destroy = _destroy,
 			},
 		},
 	);
 
-	crypter = lib->crypto->create_crypter(lib->crypto, ENCR_AES_CBC, 0);
-	if (crypter)
-	{
-		crypter->destroy(crypter);
-		lib->crypto->add_aead(lib->crypto, ENCR_AES_GCM_ICV8, get_name(this),
-						(aead_constructor_t)gcm_aead_create);
-		lib->crypto->add_aead(lib->crypto, ENCR_AES_GCM_ICV12, get_name(this),
-						(aead_constructor_t)gcm_aead_create);
-		lib->crypto->add_aead(lib->crypto, ENCR_AES_GCM_ICV16, get_name(this),
-						(aead_constructor_t)gcm_aead_create);
-	}
-
 	return &this->public.plugin;
 }