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Code Pull Requests Releases Activity

Recreate IKE_SA_INIT related tasks only if they have completed

This commit is contained in:
Martin Willi 2010-06-30 13:48:47 +02:00
parent 31d0efd7e9
commit 02571374c4
1 changed files with 35 additions and 11 deletions
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46
src/libcharon/sa/ike_sa.c
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@ -1613,6 +1613,40 @@ METHOD(ike_sa_t, reestablish, status_t,
return status;
}
/**
* Requeue the IKE_SA_INIT tasks for initiation, if required
*/
static void requeue_init_tasks(private_ike_sa_t *this)
{
enumerator_t *enumerator;
bool has_init = FALSE;
task_t *task;
/* if we have advanced to IKE_AUTH, the IKE_INIT and related tasks
* have already completed. Recreate them if necessary. */
enumerator = this->task_manager->create_task_enumerator(
this->task_manager, TASK_QUEUE_QUEUED);
while (enumerator->enumerate(enumerator, &task))
{
if (task->get_type(task) == IKE_INIT)
{
has_init = TRUE;
break;
}
}
enumerator->destroy(enumerator);
if (!has_init)
{
task = (task_t*)ike_vendor_create(&this->public, TRUE);
this->task_manager->queue_task(this->task_manager, task);
task = (task_t*)ike_natd_create(&this->public, TRUE);
this->task_manager->queue_task(this->task_manager, task);
task = (task_t*)ike_init_create(&this->public, TRUE, NULL);
this->task_manager->queue_task(this->task_manager, task);
}
}
METHOD(ike_sa_t, retransmit, status_t,
private_ike_sa_t *this, u_int32_t message_id)
{
@ -1632,17 +1666,7 @@ METHOD(ike_sa_t, retransmit, status_t,
DBG1(DBG_IKE, "peer not responding, trying again (%d/%d)",
this->keyingtry + 1, tries);
reset(this);
if (this->stats[STAT_INBOUND])
{ /* IKE_INIT already completed, recreate associated tasks */
task_t *task;
task = (task_t*)ike_vendor_create(&this->public, TRUE);
this->task_manager->queue_task(this->task_manager, task);
task = (task_t*)ike_natd_create(&this->public, TRUE);
this->task_manager->queue_task(this->task_manager, task);
task = (task_t*)ike_init_create(&this->public, TRUE, NULL);
this->task_manager->queue_task(this->task_manager, task);
}
requeue_init_tasks(this);
return this->task_manager->initiate(this->task_manager);
}
DBG1(DBG_IKE, "establishing IKE_SA failed, peer not responding");