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, 435 insertions, 0 deletions

diff --git a/src/plugins/ikev2/ikev2.h b/src/plugins/ikev2/ikev2.h
new file mode 100644
index 00000000000..55731bff975
--- /dev/null
+++ b/src/plugins/ikev2/ikev2.h
@@ -0,0 +1,435 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __included_ikev2_h__
+#define __included_ikev2_h__
+
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+
+#include <vppinfra/error.h>
+
+#define IKEV2_NONCE_SIZE  32
+
+#define IKEV2_KEY_PAD "Key Pad for IKEv2"
+
+typedef u8 v8;
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+  u64 ispi;
+  u64 rspi;
+  u8 nextpayload;
+  u8 version;
+  u8 exchange;
+  u8 flags;
+  u32 msgid; u32 length; u8 payload[0];
+}) ike_header_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct
+		     {
+		     u8 nextpayload;
+		     u8 flags;
+		     u16 length;
+		     u16 dh_group;
+		     u8 reserved[2]; u8 payload[0];}) ike_ke_payload_header_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+  u8 nextpayload;
+  u8 flags;
+  u16 length; u8 payload[0];
+}) ike_payload_header_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+  u8 nextpayload;
+  u8 flags;
+  u16 length;
+  u8 auth_method;
+  u8 reserved[3];
+  u8 payload[0];
+}) ike_auth_payload_header_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+  u8 nextpayload;
+  u8 flags;
+  u16 length;
+  u8 id_type;
+  u8 reserved[3]; u8 payload[0];
+}) ike_id_payload_header_t;
+/* *INDENT-ON* */
+
+#define IKE_VERSION_2                    0x20
+
+#define IKEV2_EXCHANGE_SA_INIT           34
+#define IKEV2_EXCHANGE_IKE_AUTH          35
+#define IKEV2_EXCHANGE_CREATE_CHILD_SA   36
+#define IKEV2_EXCHANGE_INFORMATIONAL     37
+
+#define IKEV2_HDR_FLAG_INITIATOR         (1<<3)
+#define IKEV2_HDR_FLAG_VERSION           (1<<4)
+#define IKEV2_HDR_FLAG_RESPONSE          (1<<5)
+
+#define IKEV2_PAYLOAD_FLAG_CRITICAL      (1<<7)
+
+#define IKEV2_PAYLOAD_NONE      0
+#define IKEV2_PAYLOAD_SA        33
+#define IKEV2_PAYLOAD_KE        34
+#define IKEV2_PAYLOAD_IDI       35
+#define IKEV2_PAYLOAD_IDR       36
+#define IKEV2_PAYLOAD_AUTH      39
+#define IKEV2_PAYLOAD_NONCE     40
+#define IKEV2_PAYLOAD_NOTIFY    41
+#define IKEV2_PAYLOAD_DELETE    42
+#define IKEV2_PAYLOAD_VENDOR    43
+#define IKEV2_PAYLOAD_TSI       44
+#define IKEV2_PAYLOAD_TSR       45
+#define IKEV2_PAYLOAD_SK        46
+
+typedef enum
+{
+  IKEV2_PROTOCOL_IKE = 1,
+  IKEV2_PROTOCOL_AH = 2,
+  IKEV2_PROTOCOL_ESP = 3,
+} ikev2_protocol_id_t;
+
+#define foreach_ikev2_notify_msg_type \
+  _(    0, NONE)                                \
+  _(    1, UNSUPPORTED_CRITICAL_PAYLOAD)        \
+  _(    4, INVALID_IKE_SPI)                     \
+  _(    5, INVALID_MAJOR_VERSION)               \
+  _(    7, INVALID_SYNTAX)                      \
+  _(    8, INVALID_MESSAGE_ID)                  \
+  _(   11, INVALID_SPI)                         \
+  _(   14, NO_PROPOSAL_CHOSEN)                  \
+  _(   17, INVALID_KE_PAYLOAD)                  \
+  _(   24, AUTHENTICATION_FAILED)               \
+  _(   34, SINGLE_PAIR_REQUIRED)                \
+  _(   35, NO_ADDITIONAL_SAS)                   \
+  _(   36, INTERNAL_ADDRESS_FAILURE)            \
+  _(   37, FAILED_CP_REQUIRED)                  \
+  _(   38, TS_UNACCEPTABLE)                     \
+  _(   39, INVALID_SELECTORS)                   \
+  _(   40, UNACCEPTABLE_ADDRESSES)              \
+  _(   41, UNEXPECTED_NAT_DETECTED)             \
+  _(   42, USE_ASSIGNED_HoA)                    \
+  _(   43, TEMPORARY_FAILURE)                   \
+  _(   44, CHILD_SA_NOT_FOUND)                  \
+  _(   45, INVALID_GROUP_ID)                    \
+  _(   46, AUTHORIZATION_FAILED)                \
+  _(16384, INITIAL_CONTACT)                     \
+  _(16385, SET_WINDOW_SIZE)                     \
+  _(16386, ADDITIONAL_TS_POSSIBLE)              \
+  _(16387, IPCOMP_SUPPORTED)                    \
+  _(16388, NAT_DETECTION_SOURCE_IP)             \
+  _(16389, NAT_DETECTION_DESTINATION_IP)        \
+  _(16390, COOKIE)                              \
+  _(16391, USE_TRANSPORT_MODE)                  \
+  _(16392, HTTP_CERT_LOOKUP_SUPPORTED)          \
+  _(16393, REKEY_SA)                            \
+  _(16394, ESP_TFC_PADDING_NOT_SUPPORTED)       \
+  _(16395, NON_FIRST_FRAGMENTS_ALSO)            \
+  _(16396, MOBIKE_SUPPORTED)                    \
+  _(16397, ADDITIONAL_IP4_ADDRESS)              \
+  _(16398, ADDITIONAL_IP6_ADDRESS)              \
+  _(16399, NO_ADDITIONAL_ADDRESSES)             \
+  _(16400, UPDATE_SA_ADDRESSES)                 \
+  _(16401, COOKIE2)                             \
+  _(16402, NO_NATS_ALLOWED)                     \
+  _(16403, AUTH_LIFETIME)                       \
+  _(16404, MULTIPLE_AUTH_SUPPORTED)             \
+  _(16405, ANOTHER_AUTH_FOLLOWS)                \
+  _(16406, REDIRECT_SUPPORTED)                  \
+  _(16407, REDIRECT)                            \
+  _(16408, REDIRECTED_FROM)                     \
+  _(16409, TICKET_LT_OPAQUE)                    \
+  _(16410, TICKET_REQUEST)                      \
+  _(16411, TICKET_ACK)                          \
+  _(16412, TICKET_NACK)                         \
+  _(16413, TICKET_OPAQUE)                       \
+  _(16414, LINK_ID)                             \
+  _(16415, USE_WESP_MODE)                       \
+  _(16416, ROHC_SUPPORTED)                      \
+  _(16417, EAP_ONLY_AUTHENTICATION)             \
+  _(16418, CHILDLESS_IKEV2_SUPPORTED)           \
+  _(16419, QUICK_CRASH_DETECTION)               \
+  _(16420, IKEV2_MESSAGE_ID_SYNC_SUPPORTED)     \
+  _(16421, IPSEC_REPLAY_COUNTER_SYNC_SUPPORTED) \
+  _(16422, IKEV2_MESSAGE_ID_SYNC)               \
+  _(16423, IPSEC_REPLAY_COUNTER_SYNC)           \
+  _(16424, SECURE_PASSWORD_METHODS)             \
+  _(16425, PSK_PERSIST)                         \
+  _(16426, PSK_CONFIRM)                         \
+  _(16427, ERX_SUPPORTED)                       \
+  _(16428, IFOM_CAPABILITY)                     \
+  _(16429, SENDER_REQUEST_ID)                   \
+  _(16430, IKEV2_FRAGMENTATION_SUPPORTED)       \
+  _(16431, SIGNATURE_HASH_ALGORITHMS)
+
+
+typedef enum
+{
+#define _(v,f) IKEV2_NOTIFY_MSG_##f = v,
+  foreach_ikev2_notify_msg_type
+#undef _
+} ikev2_notify_msg_type_t;
+
+#define foreach_ikev2_transform_type       \
+  _(0, UNDEFINED, "undefined") \
+  _(1, ENCR,  "encr")           \
+  _(2, PRF,   "prf")            \
+  _(3, INTEG, "integ")          \
+  _(4, DH,    "dh-group")       \
+  _(5, ESN,   "esn")
+
+typedef enum
+{
+#define _(v,f,s) IKEV2_TRANSFORM_TYPE_##f = v,
+  foreach_ikev2_transform_type
+#undef _
+  IKEV2_TRANSFORM_NUM_TYPES
+} ikev2_transform_type_t;
+
+
+#define foreach_ikev2_transform_encr_type     \
+  _(1 , DES_IV64,  "des-iv64") \
+  _(2 , DES,       "des")      \
+  _(3 , 3DES,      "3des")     \
+  _(4 , RC5,       "rc5")      \
+  _(5 , IDEA,      "idea")     \
+  _(6 , CAST,      "cast")     \
+  _(7 , BLOWFISH,  "blowfish") \
+  _(8 , 3IDEA,     "3idea")    \
+  _(9 , DES_IV32,  "des-iv32") \
+  _(11, NULL,      "null")     \
+  _(12, AES_CBC,   "aes-cbc")  \
+  _(13, AES_CTR,   "aes-ctr")
+
+typedef enum
+{
+#define _(v,f,str) IKEV2_TRANSFORM_ENCR_TYPE_##f = v,
+  foreach_ikev2_transform_encr_type
+#undef _
+} ikev2_transform_encr_type_t;
+
+#define foreach_ikev2_transform_prf_type   \
+  _(1, PRF_HMAC_MD5,      "hmac-md5")      \
+  _(2, PRF_HMAC_SHA1,     "hmac-sha1")     \
+  _(3, PRF_MAC_TIGER,     "mac-tiger")     \
+  _(4, PRF_AES128_XCBC,   "aes128-xcbc")   \
+  _(5, PRF_HMAC_SHA2_256, "hmac-sha2-256") \
+  _(6, PRF_HMAC_SHA2_384, "hmac-sha2-384") \
+  _(7, PRF_HMAC_SHA2_512, "hmac-sha2-512") \
+  _(8, PRF_AES128_CMAC,   "aes128-cmac")
+
+typedef enum
+{
+#define _(v,f,str) IKEV2_TRANSFORM_PRF_TYPE_##f = v,
+  foreach_ikev2_transform_prf_type
+#undef _
+} ikev2_transform_prf_type_t;
+
+#define foreach_ikev2_transform_integ_type           \
+  _(0,  NONE,                   "none")              \
+  _(1,  AUTH_HMAC_MD5_96,       "md5-96")            \
+  _(2,  AUTH_HMAC_SHA1_96,      "sha1-96")           \
+  _(3,  AUTH_DES_MAC,           "des-mac")           \
+  _(4,  AUTH_KPDK_MD5,          "kpdk-md5")          \
+  _(5,  AUTH_AES_XCBC_96,       "aes-xcbc-96")       \
+  _(6,  AUTH_HMAC_MD5_128,      "md5-128")           \
+  _(7,  AUTH_HMAC_SHA1_160,     "sha1-160")          \
+  _(8,  AUTH_AES_CMAC_96,       "cmac-96")           \
+  _(9,  AUTH_AES_128_GMAC,      "aes-128-gmac")      \
+  _(10, AUTH_AES_192_GMAC,      "aes-192-gmac")      \
+  _(11, AUTH_AES_256_GMAC,      "aes-256-gmac")      \
+  _(12, AUTH_HMAC_SHA2_256_128, "hmac-sha2-256-128") \
+  _(13, AUTH_HMAC_SHA2_384_192, "hmac-sha2-384-192") \
+  _(14, AUTH_HMAC_SHA2_512_256, "hmac-sha2-512-256")
+
+typedef enum
+{
+#define _(v,f, str) IKEV2_TRANSFORM_INTEG_TYPE_##f = v,
+  foreach_ikev2_transform_integ_type
+#undef _
+} ikev2_transform_integ_type_t;
+
+#if defined(OPENSSL_NO_CISCO_FECDH)
+#define foreach_ikev2_transform_dh_type \
+  _(0, NONE,           "none")          \
+  _(1, MODP_768,       "modp-768")      \
+  _(2, MODP_1024,      "modp-1024")     \
+  _(5, MODP_1536,      "modp-1536")     \
+  _(14, MODP_2048,     "modp-2048")     \
+  _(15, MODP_3072,     "modp-3072")     \
+  _(16, MODP_4096,     "modp-4096")     \
+  _(17, MODP_6144,     "modp-6144")     \
+  _(18, MODP_8192,     "modp-8192")     \
+  _(19, ECP_256,       "ecp-256")       \
+  _(20, ECP_384,       "ecp-384")       \
+  _(21, ECP_521,       "ecp-521")       \
+  _(22, MODP_1024_160, "modp-1024-160") \
+  _(23, MODP_2048_224, "modp-2048-224") \
+  _(24, MODP_2048_256, "modp-2048-256") \
+  _(25, ECP_192,       "ecp-192")       \
+  _(26, ECP_224,       "ecp-224")       \
+  _(27, BRAINPOOL_224, "brainpool-224") \
+  _(28, BRAINPOOL_256, "brainpool-256") \
+  _(29, BRAINPOOL_384, "brainpool-384") \
+  _(30, BRAINPOOL_512, "brainpool-512")
+#else
+#define foreach_ikev2_transform_dh_type \
+  _(0, NONE,           "none")          \
+  _(1, MODP_768,       "modp-768")      \
+  _(2, MODP_1024,      "modp-1024")     \
+  _(5, MODP_1536,      "modp-1536")     \
+  _(14, MODP_2048,     "modp-2048")     \
+  _(15, MODP_3072,     "modp-3072")     \
+  _(16, MODP_4096,     "modp-4096")     \
+  _(17, MODP_6144,     "modp-6144")     \
+  _(18, MODP_8192,     "modp-8192")     \
+  _(19, ECP_256,       "ecp-256")       \
+  _(20, ECP_384,       "ecp-384")       \
+  _(21, ECP_521,       "ecp-521")       \
+  _(22, MODP_1024_160, "modp-1024-160") \
+  _(23, MODP_2048_224, "modp-2048-224") \
+  _(24, MODP_2048_256, "modp-2048-256") \
+  _(25, ECP_192,       "ecp-192")
+#endif
+
+typedef enum
+{
+#define _(v,f, str) IKEV2_TRANSFORM_DH_TYPE_##f = v,
+  foreach_ikev2_transform_dh_type
+#undef _
+} ikev2_transform_dh_type_t;
+
+#define foreach_ikev2_transform_esn_type     \
+  _(0, NO_ESN, "no")       \
+  _(1, ESN,    "yes")
+
+typedef enum
+{
+#define _(v,f,str) IKEV2_TRANSFORM_ESN_TYPE_##f = v,
+  foreach_ikev2_transform_esn_type
+#undef _
+} ikev2_transform_esn_type_t;
+
+#define foreach_ikev2_auth_method \
+ _( 1, RSA_SIG,        "rsa-sig")        \
+ _( 2, SHARED_KEY_MIC, "shared-key-mic")
+
+typedef enum
+{
+#define _(v,f,s) IKEV2_AUTH_METHOD_##f = v,
+  foreach_ikev2_auth_method
+#undef _
+} ikev2_auth_method_t;
+
+#define foreach_ikev2_id_type \
+ _( 1, ID_IPV4_ADDR,   "ip4-addr")    \
+ _( 2, ID_FQDN,        "fqdn")        \
+ _( 3, ID_RFC822_ADDR, "rfc822")      \
+ _( 5, ID_IPV6_ADDR,   "ip6-addr")    \
+ _( 9, ID_DER_ASN1_DN, "der-asn1-dn") \
+ _(10, ID_DER_ASN1_GN, "der-asn1-gn") \
+ _(11, ID_KEY_ID,      "key-id")
+
+typedef enum
+{
+#define _(v,f,s) IKEV2_ID_TYPE_##f = v,
+  foreach_ikev2_id_type
+#undef _
+} ikev2_id_type_t;
+
+clib_error_t *ikev2_init (vlib_main_t * vm);
+clib_error_t *ikev2_set_local_key (vlib_main_t * vm, u8 * file);
+clib_error_t *ikev2_add_del_profile (vlib_main_t * vm, u8 * name, int is_add);
+clib_error_t *ikev2_set_profile_auth (vlib_main_t * vm, u8 * name,
+				      u8 auth_method, u8 * data,
+				      u8 data_hex_format);
+clib_error_t *ikev2_set_profile_id (vlib_main_t * vm, u8 * name,
+				    u8 id_type, u8 * data, int is_local);
+clib_error_t *ikev2_set_profile_ts (vlib_main_t * vm, u8 * name,
+				    u8 protocol_id, u16 start_port,
+				    u16 end_port, ip4_address_t start_addr,
+				    ip4_address_t end_addr, int is_local);
+clib_error_t *ikev2_set_profile_responder (vlib_main_t * vm, u8 * name,
+					   u32 sw_if_index,
+					   ip4_address_t ip4);
+clib_error_t *ikev2_set_profile_ike_transforms (vlib_main_t * vm, u8 * name,
+						ikev2_transform_encr_type_t
+						crypto_alg,
+						ikev2_transform_integ_type_t
+						integ_alg,
+						ikev2_transform_dh_type_t
+						dh_type, u32 crypto_key_size);
+clib_error_t *ikev2_set_profile_esp_transforms (vlib_main_t * vm, u8 * name,
+						ikev2_transform_encr_type_t
+						crypto_alg,
+						ikev2_transform_integ_type_t
+						integ_alg,
+						ikev2_transform_dh_type_t
+						dh_type, u32 crypto_key_size);
+clib_error_t *ikev2_set_profile_sa_lifetime (vlib_main_t * vm, u8 * name,
+					     u64 lifetime, u32 jitter,
+					     u32 handover, u64 maxdata);
+clib_error_t *ikev2_initiate_sa_init (vlib_main_t * vm, u8 * name);
+clib_error_t *ikev2_initiate_delete_child_sa (vlib_main_t * vm, u32 ispi);
+clib_error_t *ikev2_initiate_delete_ike_sa (vlib_main_t * vm, u64 ispi);
+clib_error_t *ikev2_initiate_rekey_child_sa (vlib_main_t * vm, u32 ispi);
+
+/* ikev2_format.c */
+u8 *format_ikev2_auth_method (u8 * s, va_list * args);
+u8 *format_ikev2_id_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_type (u8 * s, va_list * args);
+u8 *format_ikev2_notify_msg_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_encr_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_prf_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_integ_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_dh_type (u8 * s, va_list * args);
+u8 *format_ikev2_transform_esn_type (u8 * s, va_list * args);
+u8 *format_ikev2_sa_transform (u8 * s, va_list * args);
+
+uword unformat_ikev2_auth_method (unformat_input_t * input, va_list * args);
+uword unformat_ikev2_id_type (unformat_input_t * input, va_list * args);
+uword unformat_ikev2_transform_type (unformat_input_t * input,
+				     va_list * args);
+uword unformat_ikev2_transform_encr_type (unformat_input_t * input,
+					  va_list * args);
+uword unformat_ikev2_transform_prf_type (unformat_input_t * input,
+					 va_list * args);
+uword unformat_ikev2_transform_integ_type (unformat_input_t * input,
+					   va_list * args);
+uword unformat_ikev2_transform_dh_type (unformat_input_t * input,
+					va_list * args);
+uword unformat_ikev2_transform_esn_type (unformat_input_t * input,
+					 va_list * args);
+
+#endif /* __included_ikev2_h__ */
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */