denozord/strongswan-ext
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ike-cert-pre: Support exchange between IKE_SA_INIT and IKE_AUTH

Browse Source 
The first IKE_AUTH does not have MID 1 if that's the case.
This commit is contained in:
Tobias Brunner
2022-06-29 10:28:50 +02:00
parent f00e80d759
commit f2e79bf334
1 changed files with 25 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libcharon/sa/ikev2/tasks/ike_cert_pre.c
+25 -32
View File
@@ -1,5 +1,5 @@
/*
* Copyright (C) 2008 Tobias Brunner
* Copyright (C) 2008-2018 Tobias Brunner
* Copyright (C) 2006-2009 Martin Willi
*
* Copyright (C) secunet Security Networks AG
@@ -50,11 +50,6 @@ struct private_ike_cert_pre_t {
* Do we accept HTTP certificate lookup requests
*/
bool do_http_lookup;
/**
* whether this is the final authentication round
*/
bool final;
};
/**
@@ -469,24 +464,17 @@ static void build_certreqs(private_ike_cert_pre_t *this, message_t *message)
*/
static bool final_auth(message_t *message)
{
/* we check for an AUTH payload without a ANOTHER_AUTH_FOLLOWS notify */
if (message->get_payload(message, PLV2_AUTH) == NULL)
{
return FALSE;
}
if (message->get_notify(message, ANOTHER_AUTH_FOLLOWS))
{
return FALSE;
}
return TRUE;
return message->get_payload(message, PLV2_AUTH) != NULL &&
!message->get_notify(message, ANOTHER_AUTH_FOLLOWS);
}
METHOD(task_t, build_i, status_t,
private_ike_cert_pre_t *this, message_t *message)
{
if (message->get_message_id(message) == 1)
{ /* initiator sends CERTREQs in first IKE_AUTH */
if (message->get_exchange_type(message) == IKE_AUTH)
{ /* initiator sends CERTREQs in first IKE_AUTH only */
build_certreqs(this, message);
this->public.task.build = (void*)return_need_more;
}
return NEED_MORE;
}
@@ -494,12 +482,15 @@ METHOD(task_t, build_i, status_t,
METHOD(task_t, process_r, status_t,
private_ike_cert_pre_t *this, message_t *message)
{
if (message->get_exchange_type(message) != IKE_SA_INIT)
if (message->get_exchange_type(message) == IKE_AUTH)
{ /* handle certreqs/certs in any IKE_AUTH, just in case */
process_certreqs(this, message);
process_certs(this, message);
if (final_auth(message))
{
return SUCCESS;
}
}
this->final = final_auth(message);
return NEED_MORE;
}
@@ -510,25 +501,26 @@ METHOD(task_t, build_r, status_t,
{
build_certreqs(this, message);
}
if (this->final)
{
return SUCCESS;
}
return NEED_MORE;
}
METHOD(task_t, process_i, status_t,
private_ike_cert_pre_t *this, message_t *message)
{
if (message->get_exchange_type(message) == IKE_SA_INIT)
switch (message->get_exchange_type(message))
{
process_certreqs(this, message);
}
process_certs(this, message);
if (final_auth(message))
{
return SUCCESS;
case IKE_SA_INIT:
process_certreqs(this, message);
break;
case IKE_AUTH:
process_certs(this, message);
if (final_auth(message))
{
return SUCCESS;
}
break;
default:
break;
}
return NEED_MORE;
}
@@ -543,6 +535,7 @@ METHOD(task_t, migrate, void,
private_ike_cert_pre_t *this, ike_sa_t *ike_sa)
{
this->ike_sa = ike_sa;
this->public.task.build = _build_i;
}
METHOD(task_t, destroy, void,