IKEv2 to plugin

for easy integration with ptoducts running their own Ike stack.
Without the VPP IKE plugin loaded, the product is free to handle
IKE packets as it pleases.

Change-Id: Id0839f4d58b797f4c2da0382eb499fc08b05f66f
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 19 insertions, 337 deletions

diff --git a/src/vnet/ipsec/ipsec_api.c b/src/vnet/ipsec/ipsec_api.c
index 4b4ce4e1770..33634c9b3a2 100644
--- a/src/vnet/ipsec/ipsec_api.c
+++ b/src/vnet/ipsec/ipsec_api.c
@@ -30,7 +30,6 @@
 
 #if WITH_LIBSSL > 0
 #include <vnet/ipsec/ipsec.h>
-#include <vnet/ipsec/ikev2.h>
 #endif /* IPSEC */
 
 #define vl_typedefs		/* define message structures */
@@ -62,19 +61,6 @@ _(IPSEC_SPD_INTERFACE_DUMP, ipsec_spd_interface_dump)		\
 _(IPSEC_TUNNEL_IF_ADD_DEL, ipsec_tunnel_if_add_del)             \
 _(IPSEC_TUNNEL_IF_SET_KEY, ipsec_tunnel_if_set_key)             \
 _(IPSEC_TUNNEL_IF_SET_SA, ipsec_tunnel_if_set_sa)               \
-_(IKEV2_PROFILE_ADD_DEL, ikev2_profile_add_del)                 \
-_(IKEV2_PROFILE_SET_AUTH, ikev2_profile_set_auth)               \
-_(IKEV2_PROFILE_SET_ID, ikev2_profile_set_id)                   \
-_(IKEV2_PROFILE_SET_TS, ikev2_profile_set_ts)                   \
-_(IKEV2_SET_LOCAL_KEY, ikev2_set_local_key)                     \
-_(IKEV2_SET_RESPONDER, ikev2_set_responder)                     \
-_(IKEV2_SET_IKE_TRANSFORMS, ikev2_set_ike_transforms)           \
-_(IKEV2_SET_ESP_TRANSFORMS, ikev2_set_esp_transforms)           \
-_(IKEV2_SET_SA_LIFETIME, ikev2_set_sa_lifetime)                 \
-_(IKEV2_INITIATE_SA_INIT, ikev2_initiate_sa_init)               \
-_(IKEV2_INITIATE_DEL_IKE_SA, ikev2_initiate_del_ike_sa)         \
-_(IKEV2_INITIATE_DEL_CHILD_SA, ikev2_initiate_del_child_sa)     \
-_(IKEV2_INITIATE_REKEY_CHILD_SA, ikev2_initiate_rekey_child_sa) \
 _(IPSEC_SELECT_BACKEND, ipsec_select_backend)                   \
 _(IPSEC_BACKEND_DUMP, ipsec_backend_dump)
 
@@ -841,329 +827,6 @@ vl_api_ipsec_tunnel_if_set_sa_t_handler (vl_api_ipsec_tunnel_if_set_sa_t * mp)
   REPLY_MACRO (VL_API_IPSEC_TUNNEL_IF_SET_SA_REPLY);
 }
 
-
-static void
-vl_api_ikev2_profile_add_del_t_handler (vl_api_ikev2_profile_add_del_t * mp)
-{
-  vl_api_ikev2_profile_add_del_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-  u8 *tmp = format (0, "%s", mp->name);
-  error = ikev2_add_del_profile (vm, tmp, mp->is_add);
-  vec_free (tmp);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_PROFILE_ADD_DEL_REPLY);
-}
-
-static void
-  vl_api_ikev2_profile_set_auth_t_handler
-  (vl_api_ikev2_profile_set_auth_t * mp)
-{
-  vl_api_ikev2_profile_set_auth_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-  int data_len = ntohl (mp->data_len);
-  u8 *tmp = format (0, "%s", mp->name);
-  u8 *data = vec_new (u8, data_len);
-  clib_memcpy (data, mp->data, data_len);
-  error = ikev2_set_profile_auth (vm, tmp, mp->auth_method, data, mp->is_hex);
-  vec_free (tmp);
-  vec_free (data);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_PROFILE_SET_AUTH_REPLY);
-}
-
-static void
-vl_api_ikev2_profile_set_id_t_handler (vl_api_ikev2_profile_set_id_t * mp)
-{
-  vl_api_ikev2_profile_add_del_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-  u8 *tmp = format (0, "%s", mp->name);
-  int data_len = ntohl (mp->data_len);
-  u8 *data = vec_new (u8, data_len);
-  clib_memcpy (data, mp->data, data_len);
-  error = ikev2_set_profile_id (vm, tmp, mp->id_type, data, mp->is_local);
-  vec_free (tmp);
-  vec_free (data);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_PROFILE_SET_ID_REPLY);
-}
-
-static void
-vl_api_ikev2_profile_set_ts_t_handler (vl_api_ikev2_profile_set_ts_t * mp)
-{
-  vl_api_ikev2_profile_set_ts_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-  u8 *tmp = format (0, "%s", mp->name);
-  error = ikev2_set_profile_ts (vm, tmp, mp->proto, mp->start_port,
-				mp->end_port, (ip4_address_t) mp->start_addr,
-				(ip4_address_t) mp->end_addr, mp->is_local);
-  vec_free (tmp);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_PROFILE_SET_TS_REPLY);
-}
-
-static void
-vl_api_ikev2_set_local_key_t_handler (vl_api_ikev2_set_local_key_t * mp)
-{
-  vl_api_ikev2_profile_set_ts_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-
-  error = ikev2_set_local_key (vm, mp->key_file);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_SET_LOCAL_KEY_REPLY);
-}
-
-static void
-vl_api_ikev2_set_responder_t_handler (vl_api_ikev2_set_responder_t * mp)
-{
-  vl_api_ikev2_set_responder_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-
-  u8 *tmp = format (0, "%s", mp->name);
-  ip4_address_t ip4;
-  clib_memcpy (&ip4, mp->address, sizeof (ip4));
-
-  error = ikev2_set_profile_responder (vm, tmp, mp->sw_if_index, ip4);
-  vec_free (tmp);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_SET_RESPONDER_REPLY);
-}
-
-static void
-vl_api_ikev2_set_ike_transforms_t_handler (vl_api_ikev2_set_ike_transforms_t *
-					   mp)
-{
-  vl_api_ikev2_set_ike_transforms_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-
-  u8 *tmp = format (0, "%s", mp->name);
-
-  error =
-    ikev2_set_profile_ike_transforms (vm, tmp, mp->crypto_alg, mp->integ_alg,
-				      mp->dh_group, mp->crypto_key_size);
-  vec_free (tmp);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_SET_IKE_TRANSFORMS_REPLY);
-}
-
-static void
-vl_api_ikev2_set_esp_transforms_t_handler (vl_api_ikev2_set_esp_transforms_t *
-					   mp)
-{
-  vl_api_ikev2_set_esp_transforms_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-
-  u8 *tmp = format (0, "%s", mp->name);
-
-  error =
-    ikev2_set_profile_esp_transforms (vm, tmp, mp->crypto_alg, mp->integ_alg,
-				      mp->dh_group, mp->crypto_key_size);
-  vec_free (tmp);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_SET_ESP_TRANSFORMS_REPLY);
-}
-
-static void
-vl_api_ikev2_set_sa_lifetime_t_handler (vl_api_ikev2_set_sa_lifetime_t * mp)
-{
-  vl_api_ikev2_set_sa_lifetime_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-
-  u8 *tmp = format (0, "%s", mp->name);
-
-  error =
-    ikev2_set_profile_sa_lifetime (vm, tmp, mp->lifetime, mp->lifetime_jitter,
-				   mp->handover, mp->lifetime_maxdata);
-  vec_free (tmp);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_SET_SA_LIFETIME_REPLY);
-}
-
-static void
-vl_api_ikev2_initiate_sa_init_t_handler (vl_api_ikev2_initiate_sa_init_t * mp)
-{
-  vl_api_ikev2_initiate_sa_init_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-
-  u8 *tmp = format (0, "%s", mp->name);
-
-  error = ikev2_initiate_sa_init (vm, tmp);
-  vec_free (tmp);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_INITIATE_SA_INIT_REPLY);
-}
-
-static void
-vl_api_ikev2_initiate_del_ike_sa_t_handler (vl_api_ikev2_initiate_del_ike_sa_t
-					    * mp)
-{
-  vl_api_ikev2_initiate_del_ike_sa_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-
-  error = ikev2_initiate_delete_ike_sa (vm, mp->ispi);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_INITIATE_DEL_IKE_SA_REPLY);
-}
-
-static void
-  vl_api_ikev2_initiate_del_child_sa_t_handler
-  (vl_api_ikev2_initiate_del_child_sa_t * mp)
-{
-  vl_api_ikev2_initiate_del_child_sa_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-
-  error = ikev2_initiate_delete_child_sa (vm, mp->ispi);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_INITIATE_DEL_CHILD_SA_REPLY);
-}
-
-static void
-  vl_api_ikev2_initiate_rekey_child_sa_t_handler
-  (vl_api_ikev2_initiate_rekey_child_sa_t * mp)
-{
-  vl_api_ikev2_initiate_rekey_child_sa_reply_t *rmp;
-  int rv = 0;
-
-#if WITH_LIBSSL > 0
-  vlib_main_t *vm = vlib_get_main ();
-  clib_error_t *error;
-
-  error = ikev2_initiate_rekey_child_sa (vm, mp->ispi);
-  if (error)
-    rv = VNET_API_ERROR_UNSPECIFIED;
-#else
-  rv = VNET_API_ERROR_UNIMPLEMENTED;
-#endif
-
-  REPLY_MACRO (VL_API_IKEV2_INITIATE_REKEY_CHILD_SA_REPLY);
-}
-
-/*
- * ipsec_api_hookup
- * Add vpe's API message handlers to the table.
- * vlib has already mapped shared memory and
- * added the client registration handlers.
- * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
- */
-#define vl_msg_name_crc_list
-#include <vnet/vnet_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (api_main_t * am)
-{
-#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
-  foreach_vl_msg_name_crc_ipsec;
-#undef _
-}
-
 static void
 vl_api_ipsec_backend_dump_t_handler (vl_api_ipsec_backend_dump_t * mp)
 {
@@ -1257,6 +920,25 @@ done:
   REPLY_MACRO (VL_API_IPSEC_SELECT_BACKEND_REPLY);
 }
 
+/*
+ * ipsec_api_hookup
+ * Add vpe's API message handlers to the table.
+ * vlib has already mapped shared memory and
+ * added the client registration handlers.
+ * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
+ */
+#define vl_msg_name_crc_list
+#include <vnet/vnet_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (api_main_t * am)
+{
+#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
+  foreach_vl_msg_name_crc_ipsec;
+#undef _
+}
+
 static clib_error_t *
 ipsec_api_hookup (vlib_main_t * vm)
 {