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Request and handle retransmission of a lost third aggressive mode message

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This commit is contained in:
Martin Willi
2012-03-20 17:31:34 +01:00
parent 37c12bd31e
commit 346dad30d4
1 changed files with 8 additions and 5 deletions
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src/libcharon/sa/ikev1/task_manager_v1.c
+8 -5
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@@ -529,9 +529,10 @@ METHOD(task_manager_t, initiate, status_t,
message->destroy(message);
return retransmit(this, this->initiating.seqnr);
}
if (message->get_exchange_type(message) == QUICK_MODE)
{ /* keep the packet for retransmission in quick mode. The responder
* might request a retransmission */
if (message->get_exchange_type(message) == QUICK_MODE ||
message->get_exchange_type(message) == AGGRESSIVE)
{ /* keep the packet for retransmission in quick/aggressive mode.
* The responder might request a retransmission */
charon->sender->send(charon->sender,
this->initiating.packet->clone(this->initiating.packet));
}
@@ -598,7 +599,8 @@ static status_t build_response(private_task_manager_t *this, message_t *request)
continue;
case NEED_MORE:
/* processed, but task needs another exchange */
if (task->get_type(task) == TASK_QUICK_MODE)
if (task->get_type(task) == TASK_QUICK_MODE ||
task->get_type(task) == TASK_AGGRESSIVE_MODE)
{ /* we rely on initiator retransmission, except for
* three-message exchanges */
expect_request = TRUE;
@@ -960,7 +962,8 @@ METHOD(task_manager_t, process_message, status_t,
{
if (this->initiating.packet &&
i == (this->initiating.old_hash_pos % MAX_OLD_HASHES) &&
msg->get_exchange_type(msg) == QUICK_MODE)
(msg->get_exchange_type(msg) == QUICK_MODE ||
msg->get_exchange_type(msg) == AGGRESSIVE))
{
DBG1(DBG_IKE, "received retransmit of response with ID %u, "
"resending last request", mid);