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ikev2: Allow tasks to do work after generating requests/responses

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This commit is contained in:
Tobias Brunner 2018-06-28 10:44:40 +02:00 committed by Andreas Steffen
parent 5c0d987ce9
commit 6f847786cc
1 changed files with 65 additions and 7 deletions
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72
src/libcharon/sa/ikev2/task_manager_v2.c
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@ -471,6 +471,7 @@ METHOD(task_manager_t, initiate, status_t,
message_t *message;
host_t *me, *other;
exchange_type_t exchange = 0;
bool result;
if (this->initiating.type != EXCHANGE_TYPE_UNDEFINED)
{
@ -685,17 +686,47 @@ METHOD(task_manager_t, initiate, status_t,
return initiate(this);
}
if (!generate_message(this, message, &this->initiating.packets))
result = generate_message(this, message, &this->initiating.packets);
if (result)
{
/* message generation failed. There is nothing more to do than to
* close the SA */
message->destroy(message);
flush(this);
charon->bus->ike_updown(charon->bus, this->ike_sa, FALSE);
return DESTROY_ME;
enumerator = array_create_enumerator(this->active_tasks);
while (enumerator->enumerate(enumerator, &task))
{
if (!task->post_build)
{
continue;
}
switch (task->post_build(task, message))
{
case SUCCESS:
array_remove_at(this->active_tasks, enumerator);
task->destroy(task);
break;
case NEED_MORE:
break;
default:
/* critical failure, destroy IKE_SA */
result = FALSE;
break;
}
}
enumerator->destroy(enumerator);
}
message->destroy(message);
if (!result)
{ /* message generation failed. There is nothing more to do than to
* close the SA */
flush(this);
if (this->ike_sa->get_state(this->ike_sa) != IKE_CONNECTING &&
this->ike_sa->get_state(this->ike_sa) != IKE_REKEYED)
{
charon->bus->ike_updown(charon->bus, this->ike_sa, FALSE);
}
return DESTROY_ME;
}
array_compress(this->active_tasks);
array_compress(this->queued_tasks);
@ -946,7 +977,34 @@ static status_t build_response(private_task_manager_t *this, message_t *request)
/* message complete, send it */
clear_packets(this->responding.packets);
result = generate_message(this, message, &this->responding.packets);
if (result && !delete)
{
enumerator = array_create_enumerator(this->passive_tasks);
while (enumerator->enumerate(enumerator, &task))
{
if (!task->post_build)
{
continue;
}
switch (task->post_build(task, message))
{
case SUCCESS:
array_remove_at(this->passive_tasks, enumerator);
task->destroy(task);
break;
case NEED_MORE:
break;
default:
/* critical failure, destroy IKE_SA */
result = FALSE;
break;
}
}
enumerator->destroy(enumerator);
}
message->destroy(message);
if (id)
{
id->set_responder_spi(id, responder_spi);