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receiver: Restrict init limit to half-open SAs as responder

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Signed-off-by: Thomas Egerer <[email protected]>
This commit is contained in:
Thomas Egerer
2017-05-23 17:53:20 +02:00
committed by Tobias Brunner
parent 6b9361f714
commit 3a67df3b10
1 changed files with 2 additions and 4 deletions
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src/libcharon/network/receiver.c
+2 -4
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@@ -321,18 +321,16 @@ static bool cookie_required(private_receiver_t *this,
*/
static bool drop_ike_sa_init(private_receiver_t *this, message_t *message)
{
u_int half_open, half_open_r;
u_int half_open;
uint32_t now;
now = time_monotonic(NULL);
half_open = charon->ike_sa_manager->get_half_open_count(
charon->ike_sa_manager, NULL, FALSE);
half_open_r = charon->ike_sa_manager->get_half_open_count(
charon->ike_sa_manager, NULL, TRUE);
/* check for cookies in IKEv2 */
if (message->get_major_version(message) == IKEV2_MAJOR_VERSION &&
cookie_required(this, half_open_r, now) && !check_cookie(this, message))
cookie_required(this, half_open, now) && !check_cookie(this, message))
{
chunk_t cookie;