1 files changed, 96 insertions, 0 deletions
diff --git a/src/methods/null/null.c b/src/methods/null/null.c
new file mode 100644
index 0000000..643e5e1
--- /dev/null
+++ b/src/methods/null/null.c
@@ -0,0 +1,96 @@
+/*
+  Copyright (c) 2012-2013, Matthias Schiffer <mschiffer@universe-factory.net>
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include <fastd.h>
+
+
+struct fastd_method_session_state {
+	bool valid;
+	bool initiator;
+};
+
+
+static size_t method_max_packet_size(fastd_context_t *ctx) {
+	return fastd_max_packet_size(ctx);
+}
+
+static size_t method_min_head_tail_space(fastd_context_t *ctx UNUSED) {
+	return 0;
+}
+
+static fastd_method_session_state_t* method_session_init(fastd_context_t *ctx UNUSED, uint8_t *secret UNUSED, size_t length UNUSED, bool initiator) {
+	fastd_method_session_state_t *session = malloc(sizeof(fastd_method_session_state_t));
+
+	session->valid = true;
+	session->initiator = initiator;
+
+	return session;
+}
+
+static bool method_session_is_valid(fastd_context_t *ctx UNUSED, fastd_method_session_state_t *session) {
+	return (session && session->valid);
+}
+
+static bool method_session_is_initiator(fastd_context_t *ctx UNUSED, fastd_method_session_state_t *session) {
+	return (session->initiator);
+}
+
+static bool method_session_want_refresh(fastd_context_t *ctx UNUSED, fastd_method_session_state_t *session UNUSED) {
+	return false;
+}
+
+static void method_session_superseded(fastd_context_t *ctx UNUSED, fastd_method_session_state_t *session) {
+	session->valid = false;
+}
+
+static void method_session_free(fastd_context_t *ctx UNUSED, fastd_method_session_state_t *session) {
+	free(session);
+}
+
+static bool method_passthrough(fastd_context_t *ctx UNUSED, fastd_peer_t *peer UNUSED, fastd_method_session_state_t *session UNUSED, fastd_buffer_t *out, fastd_buffer_t in) {
+	*out = in;
+	return true;
+}
+
+const fastd_method_t fastd_method_null = {
+	.name = "null",
+
+	.max_packet_size = method_max_packet_size,
+	.min_encrypt_head_space = method_min_head_tail_space,
+	.min_decrypt_head_space = method_min_head_tail_space,
+	.min_encrypt_tail_space = method_min_head_tail_space,
+	.min_decrypt_tail_space = method_min_head_tail_space,
+
+	.session_init = method_session_init,
+	.session_is_valid = method_session_is_valid,
+	.session_is_initiator = method_session_is_initiator,
+	.session_want_refresh = method_session_want_refresh,
+	.session_superseded = method_session_superseded,
+	.session_free = method_session_free,
+
+	.encrypt = method_passthrough,
+	.decrypt = method_passthrough,
+};