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ikev1: Always enable charon.reuse_ikesa 

With IKEv1 we have to reuse IKE_SAs as otherwise the responder might
detect the new SA as reauthentication and will "adopt" the CHILD_SAs of
the original IKE_SA, while the initiator will not do so.  This could
cause CHILD_SA rekeying to fail later.

Fixes #1236.
This commit is contained in:
Tobias Brunner 2015-12-18 15:23:30 +01:00
parent db57f5702b
commit 24ab8530e5
2 changed files with 3 additions and 3 deletions
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2
conf/options/charon.opt
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@ -283,7 +283,7 @@ charon.retry_initiate_interval = 0
resolution failed), 0 to disable retries.
charon.reuse_ikesa = yes
Initiate CHILD_SA within existing IKE_SAs.
Initiate CHILD_SA within existing IKE_SAs (always enabled for IKEv1).
charon.routing_table
Numerical routing table to install routes to.

4
src/libcharon/sa/ike_sa_manager.c
View File

@ -1384,8 +1384,8 @@ METHOD(ike_sa_manager_t, checkout_by_config, ike_sa_t*,
DBG2(DBG_MGR, "checkout IKE_SA by config");
if (!this->reuse_ikesa)
{ /* IKE_SA reuse disable by config */
if (!this->reuse_ikesa && peer_cfg->get_ike_version(peer_cfg) != IKEV1)
{ /* IKE_SA reuse disabled by config (not possible for IKEv1) */
ike_sa = checkout_new(this, peer_cfg->get_ike_version(peer_cfg), TRUE);
charon->bus->set_sa(charon->bus, ike_sa);
return ike_sa;