From 80b1412c65a7a7e209c66684cf78e2ab13cfd5e6 Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Mon, 8 Sep 2014 20:30:44 +0200 Subject: Make stats of reordered packets --- src/methods/generic_umac/generic_umac.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'src/methods/generic_umac') diff --git a/src/methods/generic_umac/generic_umac.c b/src/methods/generic_umac/generic_umac.c index 3355fdb..fe7aade 100644 --- a/src/methods/generic_umac/generic_umac.c +++ b/src/methods/generic_umac/generic_umac.c @@ -187,7 +187,7 @@ static bool method_encrypt(UNUSED fastd_peer_t *peer, fastd_method_session_state } /** Verifies and decrypts a packet */ -static bool method_decrypt(fastd_peer_t *peer, fastd_method_session_state_t *session, fastd_buffer_t *out, fastd_buffer_t in) { +static bool method_decrypt(fastd_peer_t *peer, fastd_method_session_state_t *session, fastd_buffer_t *out, fastd_buffer_t in, bool *reordered) { if (in.len < COMMON_HEADBYTES+sizeof(fastd_block128_t)) return false; @@ -233,7 +233,11 @@ static bool method_decrypt(fastd_peer_t *peer, fastd_method_session_state_t *ses fastd_buffer_push_head(out, sizeof(fastd_block128_t)); - if (!fastd_method_reorder_check(peer, &session->common, in_nonce, age)) { + fastd_tristate_t reorder_check = fastd_method_reorder_check(peer, &session->common, in_nonce, age); + if (reorder_check.set) { + *reordered = reorder_check.state; + } + else { fastd_buffer_free(*out); *out = fastd_buffer_alloc(0, 0, 0); } -- cgit v1.2.3