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defer MOBIKE update if we have no route to the peer

This commit is contained in:
Martin Willi 2009-07-02 10:56:13 +02:00
parent 133623871d
commit 7afd9d6672
2 changed files with 42 additions and 0 deletions
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37
src/charon/sa/ike_sa.c
View File

@ -1747,6 +1747,7 @@ static status_t roam(private_ike_sa_t *this, bool address)
{
case IKE_CREATED:
case IKE_DELETING:
case IKE_DESTROYING:
case IKE_PASSIVE:
return SUCCESS;
default:
@ -1775,10 +1776,46 @@ static status_t roam(private_ike_sa_t *this, bool address)
DBG2(DBG_IKE, "keeping connection path %H - %H",
src, this->other_host);
src->destroy(src);
set_condition(this, COND_STALE, FALSE);
return SUCCESS;
}
src->destroy(src);
}
else
{
/* check if we find a route at all */
enumerator_t *enumerator;
host_t *addr;
src = charon->kernel_interface->get_source_addr(charon->kernel_interface,
this->other_host, NULL);
if (!src)
{
enumerator = this->additional_addresses->create_enumerator(
this->additional_addresses);
while (enumerator->enumerate(enumerator, &addr))
{
DBG1(DBG_IKE, "looking for a route to %H ...", addr);
src = charon->kernel_interface->get_source_addr(
charon->kernel_interface, addr, NULL);
if (src)
{
break;
}
}
enumerator->destroy(enumerator);
}
if (!src)
{
DBG1(DBG_IKE, "no route found to reach %H, MOBIKE update deferred",
this->other_host);
set_condition(this, COND_STALE, TRUE);
return SUCCESS;
}
src->destroy(src);
}
set_condition(this, COND_STALE, FALSE);
/* update addresses with mobike, if supported ... */
if (supports_extension(this, EXT_MOBIKE))

5
src/charon/sa/ike_sa.h
View File

@ -127,6 +127,11 @@ enum ike_condition_t {
* Local peer is the "original" IKE initiator. Unaffected from rekeying.
*/
COND_ORIGINAL_INITIATOR = (1<<6),
/**
* IKE_SA is stale, the peer is currently unreachable (MOBIKE)
*/
COND_STALE = (1<<7),
};
/**