Add features support to gcm plugin
authorMartin Willi <martin@revosec.ch>
Wed, 21 Sep 2011 09:18:27 +0000 (11:18 +0200)
committerMartin Willi <martin@revosec.ch>
Fri, 14 Oct 2011 08:05:46 +0000 (10:05 +0200)
src/libstrongswan/plugins/gcm/gcm_plugin.c

index 4b46f0e..abfa4f0 100644 (file)
@@ -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;
 }