Imported Upstream version 5.0.1

1 files changed, 128 insertions, 32 deletions

diff --git a/src/libcharon/plugins/ha/ha_ike.c b/src/libcharon/plugins/ha/ha_ike.c
index e818aec9c..442a3a23d 100644
--- a/src/libcharon/plugins/ha/ha_ike.c
+++ b/src/libcharon/plugins/ha/ha_ike.c
@@ -15,6 +15,9 @@
 
 #include "ha_ike.h"
 
+#include <sa/ikev2/keymat_v2.h>
+#include <sa/ikev1/keymat_v1.h>
+
 typedef struct private_ha_ike_t private_ha_ike_t;
 
 /**
@@ -69,7 +72,8 @@ static ike_extension_t copy_extension(ike_sa_t *ike_sa, ike_extension_t ext)
 
 METHOD(listener_t, ike_keys, bool,
 	private_ha_ike_t *this, ike_sa_t *ike_sa, diffie_hellman_t *dh,
-	chunk_t nonce_i, chunk_t nonce_r, ike_sa_t *rekey)
+	chunk_t dh_other, chunk_t nonce_i, chunk_t nonce_r, ike_sa_t *rekey,
+	shared_key_t *shared)
 {
 	ha_message_t *m;
 	chunk_t secret;
@@ -86,14 +90,15 @@ METHOD(listener_t, ike_keys, bool,
 	}
 
 	m = ha_message_create(HA_IKE_ADD);
+	m->add_attribute(m, HA_IKE_VERSION, ike_sa->get_version(ike_sa));
 	m->add_attribute(m, HA_IKE_ID, ike_sa->get_id(ike_sa));
 
-	if (rekey)
+	if (rekey && rekey->get_version(rekey) == IKEV2)
 	{
 		chunk_t skd;
-		keymat_t *keymat;
+		keymat_v2_t *keymat;
 
-		keymat = rekey->get_keymat(rekey);
+		keymat = (keymat_v2_t*)rekey->get_keymat(rekey);
 		m->add_attribute(m, HA_IKE_REKEY_ID, rekey->get_id(rekey));
 		m->add_attribute(m, HA_ALG_OLD_PRF, keymat->get_skd(keymat, &skd));
 		m->add_attribute(m, HA_OLD_SKD, skd);
@@ -120,6 +125,17 @@ METHOD(listener_t, ike_keys, bool,
 	m->add_attribute(m, HA_NONCE_R, nonce_r);
 	m->add_attribute(m, HA_SECRET, secret);
 	chunk_clear(&secret);
+	if (ike_sa->get_version(ike_sa) == IKEV1)
+	{
+		dh->get_my_public_value(dh, &secret);
+		m->add_attribute(m, HA_LOCAL_DH, secret);
+		chunk_free(&secret);
+		m->add_attribute(m, HA_REMOTE_DH, dh_other);
+		if (shared)
+		{
+			m->add_attribute(m, HA_PSK, shared->get_key(shared));
+		}
+	}
 
 	this->socket->push(this->socket, m);
 	this->cache->cache(this->cache, ike_sa, m);
@@ -159,7 +175,9 @@ METHOD(listener_t, ike_updown, bool,
 				  | copy_condition(ike_sa, COND_EAP_AUTHENTICATED)
 				  | copy_condition(ike_sa, COND_CERTREQ_SEEN)
 				  | copy_condition(ike_sa, COND_ORIGINAL_INITIATOR)
-				  | copy_condition(ike_sa, COND_STALE);
+				  | copy_condition(ike_sa, COND_STALE)
+				  | copy_condition(ike_sa, COND_INIT_CONTACT_SEEN)
+				  | copy_condition(ike_sa, COND_XAUTH_AUTHENTICATED);
 
 		extension = copy_extension(ike_sa, EXT_NATT)
 				  | copy_extension(ike_sa, EXT_MOBIKE)
@@ -167,7 +185,9 @@ METHOD(listener_t, ike_updown, bool,
 				  | copy_extension(ike_sa, EXT_MULTIPLE_AUTH)
 				  | copy_extension(ike_sa, EXT_STRONGSWAN)
 				  | copy_extension(ike_sa, EXT_EAP_ONLY_AUTHENTICATION)
-				  | copy_extension(ike_sa, EXT_MS_WINDOWS);
+				  | copy_extension(ike_sa, EXT_MS_WINDOWS)
+				  | copy_extension(ike_sa, EXT_XAUTH)
+				  | copy_extension(ike_sa, EXT_DPD);
 
 		id = ike_sa->get_id(ike_sa);
 
@@ -221,49 +241,125 @@ METHOD(listener_t, ike_state_change, bool,
 	return TRUE;
 }
 
+/**
+ * Send a virtual IP sync message for remote VIPs
+ */
+static void sync_vips(private_ha_ike_t *this, ike_sa_t *ike_sa)
+{
+	ha_message_t *m = NULL;
+	enumerator_t *enumerator;
+	host_t *vip;
+
+	enumerator = ike_sa->create_virtual_ip_enumerator(ike_sa, FALSE);
+	while (enumerator->enumerate(enumerator, &vip))
+	{
+		if (!m)
+		{
+			m = ha_message_create(HA_IKE_UPDATE);
+			m->add_attribute(m, HA_IKE_ID, ike_sa->get_id(ike_sa));
+		}
+		m->add_attribute(m, HA_REMOTE_VIP, vip);
+	}
+	enumerator->destroy(enumerator);
+
+	if (m)
+	{
+		this->socket->push(this->socket, m);
+		this->cache->cache(this->cache, ike_sa, m);
+	}
+}
+
 METHOD(listener_t, message_hook, bool,
-	private_ha_ike_t *this, ike_sa_t *ike_sa, message_t *message, bool incoming)
+	private_ha_ike_t *this, ike_sa_t *ike_sa, message_t *message,
+	bool incoming, bool plain)
 {
 	if (this->tunnel && this->tunnel->is_sa(this->tunnel, ike_sa))
 	{	/* do not sync SA between nodes */
 		return TRUE;
 	}
 
-	if (message->get_exchange_type(message) != IKE_SA_INIT &&
-		message->get_request(message))
-	{	/* we sync on requests, but skip it on IKE_SA_INIT */
+	if (plain && ike_sa->get_version(ike_sa) == IKEV2)
+	{
+		if (message->get_exchange_type(message) != IKE_SA_INIT &&
+			message->get_request(message))
+		{	/* we sync on requests, but skip it on IKE_SA_INIT */
+			ha_message_t *m;
+
+			if (incoming)
+			{
+				m = ha_message_create(HA_IKE_MID_RESPONDER);
+			}
+			else
+			{
+				m = ha_message_create(HA_IKE_MID_INITIATOR);
+			}
+			m->add_attribute(m, HA_IKE_ID, ike_sa->get_id(ike_sa));
+			m->add_attribute(m, HA_MID, message->get_message_id(message) + 1);
+			this->socket->push(this->socket, m);
+			this->cache->cache(this->cache, ike_sa, m);
+		}
+		if (ike_sa->get_state(ike_sa) == IKE_ESTABLISHED &&
+			message->get_exchange_type(message) == IKE_AUTH &&
+			!message->get_request(message))
+		{	/* After IKE_SA has been established, sync peers virtual IP.
+			 * We cannot sync it in the state_change hook, it is installed later.
+			 * TODO: where to sync local VIP? */
+			sync_vips(this, ike_sa);
+		}
+	}
+	if (!plain && ike_sa->get_version(ike_sa) == IKEV1)
+	{
 		ha_message_t *m;
+		keymat_v1_t *keymat;
+		u_int32_t mid;
+		chunk_t iv;
 
-		if (incoming)
+		mid = message->get_message_id(message);
+		if (mid == 0)
 		{
-			m = ha_message_create(HA_IKE_MID_RESPONDER);
+			keymat = (keymat_v1_t*)ike_sa->get_keymat(ike_sa);
+			if (keymat->get_iv(keymat, mid, &iv))
+			{
+				m = ha_message_create(HA_IKE_IV);
+				m->add_attribute(m, HA_IKE_ID, ike_sa->get_id(ike_sa));
+				m->add_attribute(m, HA_IV, iv);
+				this->socket->push(this->socket, m);
+				this->cache->cache(this->cache, ike_sa, m);
+			}
 		}
-		else
+		if (!incoming && message->get_exchange_type(message) == TRANSACTION)
 		{
-			m = ha_message_create(HA_IKE_MID_INITIATOR);
+			sync_vips(this, ike_sa);
 		}
-		m->add_attribute(m, HA_IKE_ID, ike_sa->get_id(ike_sa));
-		m->add_attribute(m, HA_MID, message->get_message_id(message) + 1);
-		this->socket->push(this->socket, m);
-		this->cache->cache(this->cache, ike_sa, m);
 	}
-	if (ike_sa->get_state(ike_sa) == IKE_ESTABLISHED &&
-		message->get_exchange_type(message) == IKE_AUTH &&
-		!message->get_request(message))
-	{	/* After IKE_SA has been established, sync peers virtual IP.
-		 * We cannot sync it in the state_change hook, it is installed later.
-		 * TODO: where to sync local VIP? */
+	if (plain && ike_sa->get_version(ike_sa) == IKEV1 &&
+		message->get_exchange_type(message) == INFORMATIONAL_V1)
+	{
 		ha_message_t *m;
-		host_t *vip;
+		notify_payload_t *notify;
+		chunk_t data;
+		u_int32_t seq;
 
-		vip = ike_sa->get_virtual_ip(ike_sa, FALSE);
-		if (vip)
+		notify = message->get_notify(message, DPD_R_U_THERE);
+		if (notify)
 		{
-			m = ha_message_create(HA_IKE_UPDATE);
-			m->add_attribute(m, HA_IKE_ID, ike_sa->get_id(ike_sa));
-			m->add_attribute(m, HA_REMOTE_VIP, vip);
-			this->socket->push(this->socket, m);
-			this->cache->cache(this->cache, ike_sa, m);
+			data = notify->get_notification_data(notify);
+			if (data.len == 4)
+			{
+				seq = untoh32(data.ptr);
+				if (incoming)
+				{
+					m = ha_message_create(HA_IKE_MID_RESPONDER);
+				}
+				else
+				{
+					m = ha_message_create(HA_IKE_MID_INITIATOR);
+				}
+				m->add_attribute(m, HA_IKE_ID, ike_sa->get_id(ike_sa));
+				m->add_attribute(m, HA_MID, seq + 1);
+				this->socket->push(this->socket, m);
+				this->cache->cache(this->cache, ike_sa, m);
+			}
 		}
 	}
 	return TRUE;