Use a connection specific option to en-/disable IKEv1 fragmentation

src/libcharon/config/ike_cfg.c

@@ -89,6 +89,11 @@ struct private_ike_cfg_t {
 	 */
 	bool force_encap;
 
+	/**
+	 * use IKEv1 fragmentation
+	 */
+	bool fragmentation;
+
 	/**
 	 * List of proposals to use
 	 */
@@ -113,6 +118,12 @@ METHOD(ike_cfg_t, force_encap_, bool,
 	return this->force_encap;
 }
 
+METHOD(ike_cfg_t, fragmentation, bool,
+	private_ike_cfg_t *this)
+{
+	return this->fragmentation;
+}
+
 METHOD(ike_cfg_t, get_my_addr, char*,
 	private_ike_cfg_t *this, bool *allow_any)
 {
@@ -268,6 +279,7 @@ METHOD(ike_cfg_t, equals, bool,
 		this->version == other->version &&
 		this->certreq == other->certreq &&
 		this->force_encap == other->force_encap &&
+		this->fragmentation == other->fragmentation &&
 		streq(this->me, other->me) &&
 		streq(this->other, other->other) &&
 		this->my_port == other->my_port &&
@@ -299,7 +311,8 @@ METHOD(ike_cfg_t, destroy, void,
  */
 ike_cfg_t *ike_cfg_create(ike_version_t version, bool certreq, bool force_encap,
 						  char *me, bool my_allow_any, u_int16_t my_port,
-						  char *other, bool other_allow_any, u_int16_t other_port)
+						  char *other, bool other_allow_any, u_int16_t other_port,
+						  bool fragmentation)
 {
 	private_ike_cfg_t *this;
 
@@ -308,6 +321,7 @@ ike_cfg_t *ike_cfg_create(ike_version_t version, bool certreq, bool force_encap,
 			.get_version = _get_version,
 			.send_certreq = _send_certreq,
 			.force_encap = _force_encap_,
+			.fragmentation = _fragmentation,
 			.get_my_addr = _get_my_addr,
 			.get_other_addr = _get_other_addr,
 			.get_my_port = _get_my_port,
@@ -324,6 +338,7 @@ ike_cfg_t *ike_cfg_create(ike_version_t version, bool certreq, bool force_encap,
 		.version = version,
 		.certreq = certreq,
 		.force_encap = force_encap,
+		.fragmentation = fragmentation,
 		.me = strdup(me),
 		.other = strdup(other),
 		.my_allow_any = my_allow_any,

src/libcharon/config/ike_cfg.h

@@ -134,10 +134,17 @@ struct ike_cfg_t {
 	/**
 	 * Enforce UDP encapsulation by faking NATD notifies?
 	 *
-	 * @return				TRUE to enfoce UDP encapsulation
+	 * @return				TRUE to enforce UDP encapsulation
 	 */
 	bool (*force_encap) (ike_cfg_t *this);
 
+	/**
+	 * Use proprietary IKEv1 fragmentation
+	 *
+	 * @return				TRUE to use fragmentation
+	 */
+	bool (*fragmentation) (ike_cfg_t *this);
+
 	/**
 	 * Get the DH group to use for IKE_SA setup.
 	 *
@@ -183,10 +190,12 @@ struct ike_cfg_t {
  * @param other				address/DNS name of remote peer
  * @param other_allow_any	allow override of remote address by any address
  * @param other_port		IKE port to use as dest, 500 uses IKEv2 port floating
+ * @param fragmentation		use IKEv1 fragmentation
  * @return 					ike_cfg_t object.
  */
 ike_cfg_t *ike_cfg_create(ike_version_t version, bool certreq, bool force_encap,
 						  char *me, bool my_allow_any, u_int16_t my_port,
-						  char *other, bool other_allow_any, u_int16_t other_port);
+						  char *other, bool other_allow_any, u_int16_t other_port,
+						  bool fragmentation);
 
 #endif /** IKE_CFG_H_ @}*/