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authorMatthias Schiffer <mschiffer@universe-factory.net>2012-04-14 13:06:11 +0200
committerMatthias Schiffer <mschiffer@universe-factory.net>2012-04-14 13:06:11 +0200
commit701fcc7c7e353def78d89d9ee0ca52d32fb894b9 (patch)
treee39e37e1bf8e8bd5d38885d059c61006ce90f172 /src/method_null.c
parentac235fb7d28da6690f5ef7d7dc37d40bcebbd87a (diff)
downloadfastd-701fcc7c7e353def78d89d9ee0ca52d32fb894b9.tar
fastd-701fcc7c7e353def78d89d9ee0ca52d32fb894b9.zip
Separate handshake from encryption method
Diffstat (limited to 'src/method_null.c')
-rw-r--r--src/method_null.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/method_null.c b/src/method_null.c
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--- /dev/null
+++ b/src/method_null.c
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+/*
+ Copyright (c) 2012, 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"
+
+
+static size_t method_max_packet_size(fastd_context *ctx) {
+ return fastd_max_packet_size(ctx);
+}
+
+static size_t method_min_head_space(fastd_context *ctx) {
+ return 0;
+}
+
+static fastd_method_session_state* method_session_init(fastd_context *ctx, uint8_t *secret, size_t length, bool initiator) {
+ if (initiator)
+ return (fastd_method_session_state*)1;
+ else
+ return (fastd_method_session_state*)2;
+}
+
+static bool method_session_is_valid(fastd_context *ctx, fastd_method_session_state *session) {
+ return session;
+}
+
+static bool method_session_is_initiator(fastd_context *ctx, fastd_method_session_state *session) {
+ return (session == (fastd_method_session_state*)1);
+}
+
+static bool method_session_want_refresh(fastd_context *ctx, fastd_method_session_state *session) {
+ return false;
+}
+
+static void method_session_free(fastd_context *ctx, fastd_method_session_state *session) {
+}
+
+static bool method_passthrough(fastd_context *ctx, fastd_method_session_state *session, fastd_buffer *out, fastd_buffer in) {
+ *out = in;
+ return true;
+}
+
+const fastd_method fastd_method_null = {
+ .name = "null",
+
+ .max_packet_size = method_max_packet_size,
+ .min_encrypt_head_space = method_min_head_space,
+ .min_decrypt_head_space = method_min_head_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_free = method_session_free,
+
+ .encrypt = method_passthrough,
+ .decrypt = method_passthrough,
+};