Pass the CREATE_CHILD_SA initiator flag to the child_keys parameter

src/libcharon/bus/bus.c

@@ -444,8 +444,8 @@ METHOD(bus_t, ike_keys, void,
 }
 
 METHOD(bus_t, child_keys, void,
-	private_bus_t *this, child_sa_t *child_sa, diffie_hellman_t *dh,
-	chunk_t nonce_i, chunk_t nonce_r)
+	private_bus_t *this, child_sa_t *child_sa, bool initiator,
+	diffie_hellman_t *dh, chunk_t nonce_i, chunk_t nonce_r)
 {
 	enumerator_t *enumerator;
 	ike_sa_t *ike_sa;
@@ -464,7 +464,7 @@ METHOD(bus_t, child_keys, void,
 		}
 		entry->calling++;
 		keep = entry->listener->child_keys(entry->listener, ike_sa, child_sa,
-										   dh, nonce_i, nonce_r);
+										   initiator, dh, nonce_i, nonce_r);
 		entry->calling--;
 		if (!keep)
 		{

src/libcharon/bus/bus.h

@@ -268,12 +268,13 @@ struct bus_t {
 	 * CHILD_SA keymat hook.
 	 *
 	 * @param child_sa	CHILD_SA this keymat is used for
+	 * @param initiator	initiator of the CREATE_CHILD_SA exchange
 	 * @param dh		diffie hellman shared secret
 	 * @param nonce_i	initiators nonce
 	 * @param nonce_r	responders nonce
 	 */
-	void (*child_keys)(bus_t *this, child_sa_t *child_sa, diffie_hellman_t *dh,
-					   chunk_t nonce_i, chunk_t nonce_r);
+	void (*child_keys)(bus_t *this, child_sa_t *child_sa, bool initiator,
+					   diffie_hellman_t *dh, chunk_t nonce_i, chunk_t nonce_r);
 
 	/**
 	 * IKE_SA up/down hook.

src/libcharon/bus/listeners/listener.h

@@ -110,13 +110,15 @@ struct listener_t {
 	 *
 	 * @param ike_sa	IKE_SA the child sa belongs to
 	 * @param child_sa	CHILD_SA this keymat is used for
+	 * @param initiator	initiator of the CREATE_CHILD_SA exchange
 	 * @param dh		diffie hellman shared secret
 	 * @param nonce_i	initiators nonce
 	 * @param nonce_r	responders nonce
 	 * @return			TRUE to stay registered, FALSE to unregister
 	 */
 	bool (*child_keys)(listener_t *this, ike_sa_t *ike_sa, child_sa_t *child_sa,
-					   diffie_hellman_t *dh, chunk_t nonce_i, chunk_t nonce_r);
+					   bool initiator, diffie_hellman_t *dh,
+					   chunk_t nonce_i, chunk_t nonce_r);
 
 	/**
 	 * Hook called if an IKE_SA gets up or down.