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authorMatthias Schiffer <mschiffer@universe-factory.net>2012-04-02 21:52:21 +0200
committerMatthias Schiffer <mschiffer@universe-factory.net>2012-04-02 21:52:21 +0200
commit6c401d89e229fe24cb35b4758f1abb3cfb1cc966 (patch)
tree35ffc937a8684de1b1634d0f41cde7824abc9a26 /src/fastd.c
parent77520caad8302266537e87104f6496040fc98bb4 (diff)
downloadfastd-6c401d89e229fe24cb35b4758f1abb3cfb1cc966.tar
fastd-6c401d89e229fe24cb35b4758f1abb3cfb1cc966.zip
Allow peer-to-peer forwarding
Diffstat (limited to 'src/fastd.c')
-rw-r--r--src/fastd.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/src/fastd.c b/src/fastd.c
index 373277d..21e5027 100644
--- a/src/fastd.c
+++ b/src/fastd.c
@@ -203,7 +203,36 @@ static void handle_tasks(fastd_context *ctx) {
}
write(ctx->tunfd, task->handle_recv.buffer.data, task->handle_recv.buffer.len);
- fastd_buffer_free(task->handle_recv.buffer);
+
+ if (ctx->conf->mode == MODE_TAP && ctx->conf->peer_to_peer) {
+ const fastd_eth_addr *dest_addr = fastd_get_dest_address(ctx, task->handle_recv.buffer);
+
+ if (fastd_eth_addr_is_unicast(dest_addr)) {
+ fastd_peer *dest_peer = fastd_peer_find_by_eth_addr(ctx, dest_addr);
+
+ if (dest_peer && dest_peer != task->peer && dest_peer->state == STATE_ESTABLISHED) {
+ ctx->conf->protocol->send(ctx, dest_peer, task->handle_recv.buffer);
+ }
+ else {
+ fastd_buffer_free(task->handle_recv.buffer);
+ }
+ }
+ else {
+ fastd_peer *dest_peer;
+ for (dest_peer = ctx->peers; dest_peer; dest_peer = dest_peer->next) {
+ if (dest_peer != task->peer && dest_peer->state == STATE_ESTABLISHED) {
+ fastd_buffer send_buffer = fastd_buffer_alloc(task->handle_recv.buffer.len, ctx->conf->protocol->min_encrypt_head_space(ctx), 0);
+ memcpy(send_buffer.data, task->handle_recv.buffer.data, task->handle_recv.buffer.len);
+ ctx->conf->protocol->send(ctx, dest_peer, send_buffer);
+ }
+ }
+
+ fastd_buffer_free(task->handle_recv.buffer);
+ }
+ }
+ else {
+ fastd_buffer_free(task->handle_recv.buffer);
+ }
break;
case TASK_HANDSHAKE: