Added hook to log received KE group

diff --git a/src/conftest/Makefile.am b/src/conftest/Makefile.am
index 7eecfc672d950d6d3eabe4f5a7ce4378d056811c..7d18f83349d48d8dcc46220e7399ebe3177b5e3a 100644 (file)
--- a/src/conftest/Makefile.am
+++ b/src/conftest/Makefile.am
@@ -7,7 +7,7 @@ conftest_SOURCES = conftest.c conftest.h config.c config.h actions.c actions.h \
        hooks/add_notify.c hooks/unencrypted_notify.c hooks/ignore_message.c \
        hooks/add_payload.c hooks/set_critical.c hooks/force_cookie.c \
        hooks/set_ike_version.c hooks/pretend_auth.c hooks/set_length.c \
-       hooks/log_proposals.c hooks/set_proposal_number.c
+       hooks/log_proposals.c hooks/set_proposal_number.c hooks/log_ke.c
 
 INCLUDES = \
        -I$(top_srcdir)/src/libstrongswan \

diff --git a/src/conftest/hooks/log_ke.c b/src/conftest/hooks/log_ke.c
new file mode 100644 (file)
index 0000000..5a26dde
--- /dev/null
+++ b/src/conftest/hooks/log_ke.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2010 Martin Willi
+ * Copyright (C) 2010 revosec AG
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "hook.h"
+
+#include <encoding/payloads/ke_payload.h>
+
+typedef struct private_log_ke_t private_log_ke_t;
+
+/**
+ * Private data of an log_ke_t object.
+ */
+struct private_log_ke_t {
+
+       /**
+        * Implements the hook_t interface.
+        */
+       hook_t hook;
+};
+
+METHOD(listener_t, message, bool,
+       private_log_ke_t *this, ike_sa_t *ike_sa, message_t *message,
+       bool incoming)
+{
+       if (incoming)
+       {
+               enumerator_t *enumerator, *proposals;
+               payload_t *payload;
+               ke_payload_t *ke;
+
+               enumerator = message->create_payload_enumerator(message);
+               while (enumerator->enumerate(enumerator, &payload))
+               {
+                       if (payload->get_type(payload) == KEY_EXCHANGE)
+                       {
+                               ke = (ke_payload_t*)payload;
+                               DBG1(DBG_CFG, "received DH group %N",
+                                        diffie_hellman_group_names, ke->get_dh_group_number(ke));
+                       }
+               }
+               enumerator->destroy(enumerator);
+       }
+       return TRUE;
+}
+
+METHOD(hook_t, destroy, void,
+       private_log_ke_t *this)
+{
+       free(this);
+}
+
+/**
+ * Create the IKE_AUTH fill hook
+ */
+hook_t *log_ke_hook_create(char *name)
+{
+       private_log_ke_t *this;
+
+       INIT(this,
+               .hook = {
+                       .listener = {
+                               .message = _message,
+                       },
+                       .destroy = _destroy,
+               },
+       );
+
+       return &this->hook;
+}