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-rw-r--r--src/vnet/ipsec/ikev2_priv.h362
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diff --git a/src/vnet/ipsec/ikev2_priv.h b/src/vnet/ipsec/ikev2_priv.h
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-/*
- * 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_priv_h__
-#define __included_ikev2_priv_h__
-
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ethernet/ethernet.h>
-
-#include <vnet/ipsec/ikev2.h>
-
-#include <vppinfra/hash.h>
-#include <vppinfra/elog.h>
-#include <vppinfra/error.h>
-
-#include <openssl/rand.h>
-#include <openssl/dh.h>
-#include <openssl/hmac.h>
-#include <openssl/evp.h>
-
-#define IKEV2_DEBUG_PAYLOAD 1
-
-#if IKEV2_DEBUG_PAYLOAD == 1
-#define DBG_PLD(my_args...) clib_warning(my_args)
-#else
-#define DBG_PLD(my_args...)
-#endif
-
-typedef enum
-{
- IKEV2_STATE_UNKNOWN,
- IKEV2_STATE_SA_INIT,
- IKEV2_STATE_DELETED,
- IKEV2_STATE_AUTH_FAILED,
- IKEV2_STATE_AUTHENTICATED,
- IKEV2_STATE_NOTIFY_AND_DELETE,
- IKEV2_STATE_TS_UNACCEPTABLE,
- IKEV2_STATE_NO_PROPOSAL_CHOSEN,
-} ikev2_state_t;
-
-typedef struct
-{
- ikev2_auth_method_t method:8;
- u8 *data;
- u8 hex; /* hex encoding of the shared secret */
- EVP_PKEY *key;
-} ikev2_auth_t;
-
-typedef enum
-{
- IKEV2_DH_GROUP_MODP = 0,
- IKEV2_DH_GROUP_ECP = 1,
-} ikev2_dh_group_t;
-
-typedef struct
-{
- ikev2_transform_type_t type;
- union
- {
- u16 transform_id;
- ikev2_transform_encr_type_t encr_type:16;
- ikev2_transform_prf_type_t prf_type:16;
- ikev2_transform_integ_type_t integ_type:16;
- ikev2_transform_dh_type_t dh_type:16;
- ikev2_transform_esn_type_t esn_type:16;
- };
- u8 *attrs;
- u16 key_len;
- u16 key_trunc;
- u16 block_size;
- u8 dh_group;
- int nid;
- const char *dh_p;
- const char *dh_g;
- const void *md;
- const void *cipher;
-} ikev2_sa_transform_t;
-
-typedef struct
-{
- u8 proposal_num;
- ikev2_protocol_id_t protocol_id:8;
- u32 spi;
- ikev2_sa_transform_t *transforms;
-} ikev2_sa_proposal_t;
-
-typedef struct
-{
- u8 ts_type;
- u8 protocol_id;
- u16 selector_len;
- u16 start_port;
- u16 end_port;
- ip4_address_t start_addr;
- ip4_address_t end_addr;
-} ikev2_ts_t;
-
-typedef struct
-{
- u32 sw_if_index;
- ip4_address_t ip4;
-} ikev2_responder_t;
-
-typedef struct
-{
- 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;
-} ikev2_transforms_set;
-
-
-typedef struct
-{
- ikev2_id_type_t type:8;
- u8 *data;
-} ikev2_id_t;
-
-typedef struct
-{
- /* sa proposals vectors */
- ikev2_sa_proposal_t *i_proposals;
- ikev2_sa_proposal_t *r_proposals;
-
- /* Traffic Selectors */
- ikev2_ts_t *tsi;
- ikev2_ts_t *tsr;
-
- /* keys */
- u8 *sk_ai;
- u8 *sk_ar;
- u8 *sk_ei;
- u8 *sk_er;
-
- /* lifetime data */
- f64 time_to_expiration;
- u8 is_expired;
- i8 rekey_retries;
-} ikev2_child_sa_t;
-
-typedef struct
-{
- u8 protocol_id;
- u32 spi; /*for ESP and AH SPI size is 4, for IKE size is 0 */
-} ikev2_delete_t;
-
-typedef struct
-{
- u8 protocol_id;
- u32 spi;
- u32 ispi;
- ikev2_sa_proposal_t *i_proposal;
- ikev2_sa_proposal_t *r_proposal;
- ikev2_ts_t *tsi;
- ikev2_ts_t *tsr;
-} ikev2_rekey_t;
-
-typedef struct
-{
- u16 msg_type;
- u8 protocol_id;
- u32 spi;
- u8 *data;
-} ikev2_notify_t;
-
-typedef struct
-{
- u8 *name;
- u8 is_enabled;
-
- ikev2_auth_t auth;
- ikev2_id_t loc_id;
- ikev2_id_t rem_id;
- ikev2_ts_t loc_ts;
- ikev2_ts_t rem_ts;
- ikev2_responder_t responder;
- ikev2_transforms_set ike_ts;
- ikev2_transforms_set esp_ts;
- u64 lifetime;
- u64 lifetime_maxdata;
- u32 lifetime_jitter;
- u32 handover;
-} ikev2_profile_t;
-
-typedef struct
-{
- ikev2_state_t state;
- u8 unsupported_cp;
- u8 initial_contact;
- ip4_address_t iaddr;
- ip4_address_t raddr;
- u64 ispi;
- u64 rspi;
- u8 *i_nonce;
- u8 *r_nonce;
-
- /* DH data */
- u16 dh_group;
- u8 *dh_shared_key;
- u8 *dh_private_key;
- u8 *i_dh_data;
- u8 *r_dh_data;
-
- /* sa proposals vectors */
- ikev2_sa_proposal_t *i_proposals;
- ikev2_sa_proposal_t *r_proposals;
-
- /* keys */
- u8 *sk_d;
- u8 *sk_ai;
- u8 *sk_ar;
- u8 *sk_ei;
- u8 *sk_er;
- u8 *sk_pi;
- u8 *sk_pr;
-
- /* auth */
- ikev2_auth_t i_auth;
- ikev2_auth_t r_auth;
-
- /* ID */
- ikev2_id_t i_id;
- ikev2_id_t r_id;
-
- /* pending deletes */
- ikev2_delete_t *del;
-
- /* pending rekeyings */
- ikev2_rekey_t *rekey;
-
- /* packet data */
- u8 *last_sa_init_req_packet_data;
- u8 *last_sa_init_res_packet_data;
-
- /* retransmit */
- u32 last_msg_id;
- u8 *last_res_packet_data;
-
- u8 is_initiator;
- u32 last_init_msg_id;
- ikev2_profile_t *profile;
-
- ikev2_child_sa_t *childs;
-} ikev2_sa_t;
-
-
-typedef struct
-{
- /* pool of IKEv2 Security Associations */
- ikev2_sa_t *sas;
-
- /* hash */
- uword *sa_by_rspi;
-} ikev2_main_per_thread_data_t;
-
-typedef struct
-{
- /* pool of IKEv2 profiles */
- ikev2_profile_t *profiles;
-
- /* vector of supported transform types */
- ikev2_sa_transform_t *supported_transforms;
-
- /* hash */
- mhash_t profile_index_by_name;
-
- /* local private key */
- EVP_PKEY *pkey;
-
- /* convenience */
- vlib_main_t *vlib_main;
- vnet_main_t *vnet_main;
-
- /* pool of IKEv2 Security Associations created in initiator mode */
- ikev2_sa_t *sais;
- /* hash */
- uword *sa_by_ispi;
-
- ikev2_main_per_thread_data_t *per_thread_data;
-
-} ikev2_main_t;
-
-extern ikev2_main_t ikev2_main;
-
-void ikev2_sa_free_proposal_vector (ikev2_sa_proposal_t ** v);
-ikev2_sa_transform_t *ikev2_sa_get_td_for_type (ikev2_sa_proposal_t * p,
- ikev2_transform_type_t type);
-
-/* ikev2_crypto.c */
-v8 *ikev2_calc_prf (ikev2_sa_transform_t * tr, v8 * key, v8 * data);
-u8 *ikev2_calc_prfplus (ikev2_sa_transform_t * tr, u8 * key, u8 * seed,
- int len);
-v8 *ikev2_calc_integr (ikev2_sa_transform_t * tr, v8 * key, u8 * data,
- int len);
-v8 *ikev2_decrypt_data (ikev2_sa_t * sa, u8 * data, int len);
-int ikev2_encrypt_data (ikev2_sa_t * sa, v8 * src, u8 * dst);
-void ikev2_generate_dh (ikev2_sa_t * sa, ikev2_sa_transform_t * t);
-void ikev2_complete_dh (ikev2_sa_t * sa, ikev2_sa_transform_t * t);
-int ikev2_verify_sign (EVP_PKEY * pkey, u8 * sigbuf, u8 * data);
-u8 *ikev2_calc_sign (EVP_PKEY * pkey, u8 * data);
-EVP_PKEY *ikev2_load_cert_file (u8 * file);
-EVP_PKEY *ikev2_load_key_file (u8 * file);
-void ikev2_crypto_init (ikev2_main_t * km);
-
-/* ikev2_payload.c */
-typedef struct
-{
- u8 first_payload_type;
- u16 last_hdr_off;
- u8 *data;
-} ikev2_payload_chain_t;
-
-#define ikev2_payload_new_chain(V) vec_validate (V, 0)
-#define ikev2_payload_destroy_chain(V) do { \
- vec_free((V)->data); \
- vec_free(V); \
-} while (0)
-
-void ikev2_payload_add_notify (ikev2_payload_chain_t * c, u16 msg_type,
- u8 * data);
-void ikev2_payload_add_notify_2 (ikev2_payload_chain_t * c, u16 msg_type,
- u8 * data, ikev2_notify_t * notify);
-void ikev2_payload_add_sa (ikev2_payload_chain_t * c,
- ikev2_sa_proposal_t * proposals);
-void ikev2_payload_add_ke (ikev2_payload_chain_t * c, u16 dh_group,
- u8 * dh_data);
-void ikev2_payload_add_nonce (ikev2_payload_chain_t * c, u8 * nonce);
-void ikev2_payload_add_id (ikev2_payload_chain_t * c, ikev2_id_t * id,
- u8 type);
-void ikev2_payload_add_auth (ikev2_payload_chain_t * c, ikev2_auth_t * auth);
-void ikev2_payload_add_ts (ikev2_payload_chain_t * c, ikev2_ts_t * ts,
- u8 type);
-void ikev2_payload_add_delete (ikev2_payload_chain_t * c, ikev2_delete_t * d);
-void ikev2_payload_chain_add_padding (ikev2_payload_chain_t * c, int bs);
-void ikev2_parse_vendor_payload (ike_payload_header_t * ikep);
-ikev2_sa_proposal_t *ikev2_parse_sa_payload (ike_payload_header_t * ikep);
-ikev2_ts_t *ikev2_parse_ts_payload (ike_payload_header_t * ikep);
-ikev2_delete_t *ikev2_parse_delete_payload (ike_payload_header_t * ikep);
-ikev2_notify_t *ikev2_parse_notify_payload (ike_payload_header_t * ikep);
-
-#endif /* __included_ikev2_priv_h__ */
-
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */