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-rw-r--r--src/libcharon/sa/tasks/xauth.c108
1 files changed, 96 insertions, 12 deletions
diff --git a/src/libcharon/sa/tasks/xauth.c b/src/libcharon/sa/tasks/xauth.c
index 4fcb569a1..de93935a9 100644
--- a/src/libcharon/sa/tasks/xauth.c
+++ b/src/libcharon/sa/tasks/xauth.c
@@ -118,6 +118,23 @@ static xauth_method_t *load_method(ike_sa_t *ike_sa, bool initiator)
return xauth;
}
+/**
+ * Set IKE_SA to established state
+ */
+static void establish(private_xauth_t *this)
+{
+ DBG0(DBG_IKE, "IKE_SA %s[%d] established between %H[%Y]...%H[%Y]",
+ this->ike_sa->get_name(this->ike_sa),
+ this->ike_sa->get_unique_id(this->ike_sa),
+ this->ike_sa->get_my_host(this->ike_sa),
+ this->ike_sa->get_my_id(this->ike_sa),
+ this->ike_sa->get_other_host(this->ike_sa),
+ this->ike_sa->get_other_id(this->ike_sa));
+
+ this->ike_sa->set_state(this->ike_sa, IKE_ESTABLISHED);
+ charon->bus->ike_updown(charon->bus, this->ike_sa, TRUE);
+}
+
METHOD(task_t, build_i_status, status_t,
private_xauth_t *this, message_t *message)
{
@@ -161,16 +178,92 @@ METHOD(task_t, build_i, status_t,
return FAILED;
}
-METHOD(task_t, process_r, status_t,
+METHOD(task_t, build_r_ack, status_t,
private_xauth_t *this, message_t *message)
{
+ cp_payload_t *cp;
+
+ cp = cp_payload_create_type(CONFIGURATION_V1, CFG_ACK);
+ cp->add_attribute(cp,
+ configuration_attribute_create_chunk(
+ CONFIGURATION_ATTRIBUTE_V1, XAUTH_STATUS, chunk_empty));
+
+ message->add_payload(message, (payload_t *)cp);
+
+ if (this->status == XAUTH_OK)
+ {
+ establish(this);
+ return SUCCESS;
+ }
return FAILED;
}
+METHOD(task_t, process_r, status_t,
+ private_xauth_t *this, message_t *message)
+{
+ cp_payload_t *cp;
+
+ if (!this->xauth)
+ {
+ this->xauth = load_method(this->ike_sa, this->initiator);
+ if (!this->xauth)
+ { /* send empty reply */
+ return NEED_MORE;
+ }
+ }
+ cp = (cp_payload_t*)message->get_payload(message, CONFIGURATION_V1);
+ if (!cp)
+ {
+ DBG1(DBG_IKE, "configuration payload missing in XAuth request");
+ return FAILED;
+ }
+ if (cp->get_type(cp) == CFG_REQUEST)
+ {
+ switch (this->xauth->process(this->xauth, cp, &this->cp))
+ {
+ case NEED_MORE:
+ return NEED_MORE;
+ case SUCCESS:
+ DBG1(DBG_IKE, "XAuth authentication successful");
+ establish(this);
+ break;
+ case FAILED:
+ default:
+ DBG1(DBG_IKE, "XAuth authentication failed");
+ break;
+ }
+ this->cp = NULL;
+ return NEED_MORE;
+ }
+ if (cp->get_type(cp) == CFG_SET)
+ {
+ configuration_attribute_t *attribute;
+ enumerator_t *enumerator;
+
+ enumerator = cp->create_attribute_enumerator(cp);
+ while (enumerator->enumerate(enumerator, &attribute))
+ {
+ if (attribute->get_type(attribute) == XAUTH_STATUS)
+ {
+ this->status = attribute->get_value(attribute);
+ }
+ }
+ enumerator->destroy(enumerator);
+ }
+ this->public.task.build = _build_r_ack;
+ return NEED_MORE;
+}
+
METHOD(task_t, build_r, status_t,
private_xauth_t *this, message_t *message)
{
- return FAILED;
+ if (!this->cp)
+ { /* send empty reply if building data failed */
+ this->cp = cp_payload_create_type(CONFIGURATION_V1, CFG_REPLY);
+ }
+ message->add_payload(message, (payload_t *)this->cp);
+ this->cp = NULL;
+ return NEED_MORE;
}
METHOD(task_t, process_i_status, status_t,
@@ -185,16 +278,7 @@ METHOD(task_t, process_i_status, status_t,
return FAILED;
}
- DBG0(DBG_IKE, "IKE_SA %s[%d] established between %H[%Y]...%H[%Y]",
- this->ike_sa->get_name(this->ike_sa),
- this->ike_sa->get_unique_id(this->ike_sa),
- this->ike_sa->get_my_host(this->ike_sa),
- this->ike_sa->get_my_id(this->ike_sa),
- this->ike_sa->get_other_host(this->ike_sa),
- this->ike_sa->get_other_id(this->ike_sa));
-
- this->ike_sa->set_state(this->ike_sa, IKE_ESTABLISHED);
- charon->bus->ike_updown(charon->bus, this->ike_sa, TRUE);
+ establish(this);
return SUCCESS;
}