diff options
Diffstat (limited to 'src/protocol_null.c')
| -rw-r--r-- | src/protocol_null.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/src/protocol_null.c b/src/protocol_null.c deleted file mode 100644 index b3c0b17..0000000 --- a/src/protocol_null.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - 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. -*/ - - -#define _GNU_SOURCE - -#include "fastd.h" -#include "task.h" -#include "peer.h" -#include "handshake.h" - -#include <arpa/inet.h> - - -static fastd_protocol_config* protocol_init(fastd_context *ctx) { - if (ctx->conf->n_floating > 1) - exit_error(ctx, "with protocol `null' use can't define more than one floating peer"); - - return NULL; -} - -static void protocol_peer_configure(fastd_context *ctx, fastd_peer_config *peer_conf) { -} - -static void protocol_peer_config_purged(fastd_context *ctx, fastd_peer_config *peer_conf) { -} - -static size_t protocol_max_packet_size(fastd_context *ctx) { - return fastd_max_packet_size(ctx); -} - -static size_t protocol_min_head_space(fastd_context *ctx) { - return 0; -} - -static void protocol_handshake_init(fastd_context *ctx, fastd_peer *peer) { - fastd_buffer buffer = fastd_handshake_new_init(ctx, peer, 0); - fastd_task_put_send_handshake(ctx, peer, buffer); -} - -static void establish(fastd_context *ctx, fastd_peer *peer) { - fastd_peer_seen(ctx, peer); - - if (fastd_peer_is_temporary(peer)) { - fastd_peer *perm_peer; - for (perm_peer = ctx->peers; perm_peer; perm_peer = perm_peer->next) { - if (fastd_peer_is_floating(perm_peer)) - break; - } - - if (!perm_peer) { - return; - } - - fastd_peer_set_established_merge(ctx, perm_peer, peer); - } - else { - fastd_peer_set_established(ctx, peer); - } - - fastd_task_schedule_keepalive(ctx, peer, ctx->conf->keepalive_interval*1000); -} - -static void protocol_handshake_handle(fastd_context *ctx, fastd_peer *peer, const fastd_handshake *handshake) { - fastd_buffer buffer; - - switch(handshake->type) { - case 1: - buffer = fastd_handshake_new_reply(ctx, peer, handshake, 0); - fastd_task_put_send_handshake(ctx, peer, buffer); - break; - - case 2: - establish(ctx, peer); - buffer = fastd_handshake_new_reply(ctx, peer, handshake, 0); - fastd_task_put_send_handshake(ctx, peer, buffer); - break; - - case 3: - establish(ctx, peer); - break; - - default: - pr_debug(ctx, "received handshake reply with unknown type %u", handshake->type); - } - -} - -static void protocol_handle_recv(fastd_context *ctx, fastd_peer *peer, fastd_buffer buffer) { - if (fastd_peer_is_established(peer) && buffer.len) { - /* this could be optimized a bit */ - fastd_task_delete_peer_handshakes(ctx, peer); - - fastd_peer_seen(ctx, peer); - fastd_task_put_handle_recv(ctx, peer, buffer); - - fastd_task_delete_peer_keepalives(ctx, peer); - fastd_task_schedule_keepalive(ctx, peer, ctx->conf->keepalive_interval*1000); - } - else { - fastd_buffer_free(buffer); - } -} - -static void protocol_send(fastd_context *ctx, fastd_peer *peer, fastd_buffer buffer) { - fastd_task_put_send(ctx, peer, buffer); -} - -static void protocol_free_peer_state(fastd_context *ctx, fastd_peer *peer) { -} - -static void protocol_generate_key(fastd_context *ctx) { - exit_error(ctx, "trying to generate key for `null' protocol"); -} - -const fastd_protocol fastd_protocol_null = { - .name = "null", - - .init = protocol_init, - .peer_configure = protocol_peer_configure, - .peer_config_purged = protocol_peer_config_purged, - - .max_packet_size = protocol_max_packet_size, - .min_encrypt_head_space = protocol_min_head_space, - .min_decrypt_head_space = protocol_min_head_space, - - .handshake_init = protocol_handshake_init, - .handshake_handle = protocol_handshake_handle, - - .handle_recv = protocol_handle_recv, - .send = protocol_send, - - .free_peer_state = protocol_free_peer_state, - - .generate_key = protocol_generate_key, -}; |