/* * 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_PORT 500 #define IKEV2_PORT_NATT 4500 #define IKEV2_KEY_PAD "Key Pad for IKEv2" #define IKEV2_GCM_ICV_SIZE 16 #define IKEV2_GCM_NONCE_SIZE 12 #define IKEV2_GCM_SALT_SIZE 4 #define IKEV2_GCM_IV_SIZE (IKEV2_GCM_NONCE_SIZE - IKEV2_GCM_SALT_SIZE) 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* */ #define ike_hdr_is_response(_h) ((_h)->flags & IKEV2_HDR_FLAG_RESPONSE) #define ike_hdr_is_request(_h) (!ike_hdr_is_response(_h)) #define ike_hdr_is_initiator(_h) ((_h)->flags & IKEV2_HDR_FLAG_INITIATOR) #define ike_hdr_is_responder(_h) (!(ike_hdr_is_initiator(_h))) /* *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_NAT_D 20 #define IKEV2_PAYLOAD_NAT_OA 21 #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") \ _(20, AES_GCM_16, "aes-gcm-16") 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; typedef enum { TS_IPV4_ADDR_RANGE = 7, TS_IPV6_ADDR_RANGE = 8, } ikev2_traffic_selector_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, ip_address_t start_addr, ip_address_t end_addr, int is_local); clib_error_t *ikev2_set_profile_responder (vlib_main_t * vm, u8 * name, u32 sw_if_index, ip_address_t addr); clib_error_t *ikev2_set_profile_responder_hostname (vlib_main_t *vm, u8 *name, u8 *hostname, u32 sw_if_index); 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, 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_set_profile_tunnel_interface (vlib_main_t * vm, u8 * name, u32 sw_if_index); vnet_api_error_t ikev2_set_profile_ipsec_udp_port (vlib_main_t * vm, u8 * name, u16 port, u8 is_set); clib_error_t *ikev2_set_profile_udp_encap (vlib_main_t * vm, u8 * name); 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); void ikev2_cli_reference (void); clib_error_t *ikev2_set_liveness_params (u32 period, u32 max_retries); #endif /* __included_ikev2_h__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */