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Change behavior of responder during roaming. 

If the current source address is not available anymore, the responder
uses ike_mobike_t.roam, thus, uses multiple address combinations when
trying to notify the initiator.
This commit is contained in:
Tobias Brunner 2010-10-05 18:01:41 +02:00
parent c5770f864f
commit 5774408898
1 changed files with 17 additions and 16 deletions
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33
src/libcharon/sa/ike_sa.c
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@ -1788,20 +1788,6 @@ METHOD(ike_sa_t, roam, status_t,
default:
break;
}
/* responder just updates the peer about changed address config */
if (!this->ike_sa_id->is_initiator(this->ike_sa_id))
{
if (supports_extension(this, EXT_MOBIKE) && address)
{
DBG1(DBG_IKE, "sending address list update using MOBIKE");
mobike = ike_mobike_create(&this->public, TRUE);
mobike->addresses(mobike);
this->task_manager->queue_task(this->task_manager,
(task_t*)mobike);
return this->task_manager->initiate(this->task_manager);
}
return SUCCESS;
}
/* keep existing path if possible */
if (is_current_path_valid(this))
@ -1834,14 +1820,29 @@ METHOD(ike_sa_t, roam, status_t,
/* update addresses with mobike, if supported ... */
if (supports_extension(this, EXT_MOBIKE))
{
DBG1(DBG_IKE, "requesting address change using MOBIKE");
if (!has_condition(this, COND_ORIGINAL_INITIATOR))
{ /* responder updates the peer about changed address config */
DBG1(DBG_IKE, "sending address list update using MOBIKE, "
"implicitly requesting an address change");
address = TRUE;
}
else
{
DBG1(DBG_IKE, "requesting address change using MOBIKE");
}
mobike = ike_mobike_create(&this->public, TRUE);
mobike->roam(mobike, address);
this->task_manager->queue_task(this->task_manager, (task_t*)mobike);
return this->task_manager->initiate(this->task_manager);
}
DBG1(DBG_IKE, "reauthenticating IKE_SA due to address change");
/* ... reauth if not */
if (!has_condition(this, COND_ORIGINAL_INITIATOR))
{ /* responder does not reauthenticate */
set_condition(this, COND_STALE, TRUE);
return SUCCESS;
}
DBG1(DBG_IKE, "reauthenticating IKE_SA due to address change");
return reauth(this);
}