X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fikev2%2Fikev2_priv.h;h=4c56b980f1c88056f1d7eefc2dcaf5f108541ba7;hb=af2cc6425;hp=b0b867758cc0a873e1f39c8cad6af69caefd31c6;hpb=c415d0a8e34a30aeb7efe2360937426b724206c2;p=vpp.git diff --git a/src/plugins/ikev2/ikev2_priv.h b/src/plugins/ikev2/ikev2_priv.h index b0b867758cc..4c56b980f1c 100644 --- a/src/plugins/ikev2/ikev2_priv.h +++ b/src/plugins/ikev2/ikev2_priv.h @@ -81,7 +81,7 @@ do { \ } \ } while (0) \ -#define ikev2_elog_exchange(_format, _ispi, _rspi, _addr) \ +#define ikev2_elog_exchange_internal(_format, _ispi, _rspi, _addr) \ do { \ ikev2_main_t *km = &ikev2_main; \ if (PREDICT_FALSE (km->log_level >= IKEV2_LOG_DEBUG)) \ @@ -110,6 +110,17 @@ do { \ } \ } while (0) \ +#define IKE_ELOG_IP4_FMT "%d.%d.%d.%d" +#define IKE_ELOG_IP6_FMT "[v6]:%x%x:%x%x" + +#define ikev2_elog_exchange(_fmt, _ispi, _rspi, _addr, _v4) \ +do { \ + if (_v4) \ + ikev2_elog_exchange_internal (_fmt IKE_ELOG_IP4_FMT, _ispi, _rspi, _addr);\ + else \ + ikev2_elog_exchange_internal (_fmt IKE_ELOG_IP6_FMT, _ispi, _rspi, _addr);\ +} while (0) + #define ikev2_elog_uint(_level, _format, _val) \ do { \ ikev2_main_t *km = &ikev2_main; \ @@ -156,31 +167,6 @@ do { \ } \ } while (0) -#define ikev2_elog_peers(_level, _format, _ip1, _ip2) \ -do { \ - ikev2_main_t *km = &ikev2_main; \ - if (PREDICT_FALSE (km->log_level >= _level)) \ - { \ - ELOG_TYPE_DECLARE (e) = \ - { \ - .format = "ikev2: " _format, \ - .format_args = "i1i1i1i1i1i1i1i1", \ - }; \ - CLIB_PACKED(struct { \ - u8 i11; u8 i12; u8 i13; u8 i14; \ - u8 i21; u8 i22; u8 i23; u8 i24; }) *ed; \ - ed = ELOG_DATA (&vlib_global_main.elog_main, e); \ - ed->i14 = (_ip1) >> 24; \ - ed->i13 = (_ip1) >> 16; \ - ed->i12 = (_ip1) >> 8; \ - ed->i11 = (_ip1); \ - ed->i24 = (_ip2) >> 24; \ - ed->i23 = (_ip2) >> 16; \ - ed->i22 = (_ip2) >> 8; \ - ed->i21 = (_ip2); \ - } \ -} while (0) - #define ikev2_elog_error(_msg) \ _ikev2_elog(IKEV2_LOG_ERROR, "[error] " _msg) #define ikev2_elog_warning(_msg) \ @@ -258,19 +244,21 @@ typedef struct typedef struct { - u8 ts_type; + ikev2_traffic_selector_type_t ts_type; u8 protocol_id; u16 selector_len; u16 start_port; u16 end_port; - ip4_address_t start_addr; - ip4_address_t end_addr; + ip_address_t start_addr; + ip_address_t end_addr; } ikev2_ts_t; typedef struct { u32 sw_if_index; - ip4_address_t ip4; + ip_address_t addr; + u8 *hostname; + u8 is_resolved; } ikev2_responder_t; typedef struct @@ -344,7 +332,6 @@ typedef struct typedef struct { u8 *name; - u8 is_enabled; ikev2_auth_t auth; ikev2_id_t loc_id; @@ -358,19 +345,45 @@ typedef struct u64 lifetime_maxdata; u32 lifetime_jitter; u32 handover; - u16 dst_port; + u16 ipsec_over_udp_port; u32 tun_itf; u8 udp_encap; + u8 natt_disabled; } ikev2_profile_t; +typedef enum +{ + /* SA will switch to port 4500 when NAT is detected. + * This is the default. */ + IKEV2_NATT_ENABLED, + + /* Do nothing when NAT is detected */ + IKEV2_NATT_DISABLED, + + /* NAT was detected and port switched to 4500 */ + IKEV2_NATT_ACTIVE, +} ikev2_natt_state_t; + +#define ikev2_natt_active(_sa) ((_sa)->natt_state == IKEV2_NATT_ACTIVE) + +typedef struct +{ + u16 n_keepalives; + u16 n_rekey_req; + u16 n_sa_auth_req; + u16 n_sa_init_req; + u16 n_init_retransmit; + u16 n_retransmit; +} ikev2_stats_t; + typedef struct { ikev2_state_t state; u8 unsupported_cp; u8 initial_contact; - ip4_address_t iaddr; - ip4_address_t raddr; + ip_address_t iaddr; + ip_address_t raddr; u64 ispi; u64 rspi; u8 *i_nonce; @@ -410,32 +423,45 @@ typedef struct /* pending rekeyings */ ikev2_rekey_t *rekey; + ikev2_rekey_t *new_child; + /* packet data */ u8 *last_sa_init_req_packet_data; u8 *last_sa_init_res_packet_data; /* retransmit */ + /* message id expected in the request from the other peer */ u32 last_msg_id; u8 *last_res_packet_data; u8 is_initiator; + /* last message id that was used for an initiated request */ u32 last_init_msg_id; - u8 is_profile_index_set; u32 profile_index; u8 is_tun_itf_set; u32 tun_itf; u8 udp_encap; - u16 dst_port; + u16 ipsec_over_udp_port; f64 old_id_expiration; u32 current_remote_id_mask; u32 old_remote_id; u8 old_remote_id_present; + u8 init_response_received; ikev2_child_sa_t *childs; u8 liveness_retries; f64 liveness_period_check; + + u16 dst_port; + u32 sw_if_index; + + /* is NAT traversal mode */ + ikev2_natt_state_t natt_state; + u8 keys_generated; + + ikev2_stats_t stats; } ikev2_sa_t; @@ -448,6 +474,13 @@ typedef struct /* hash */ uword *sa_by_rspi; + + EVP_CIPHER_CTX *evp_ctx; + HMAC_CTX *hmac_ctx; +#if OPENSSL_VERSION_NUMBER < 0x10100000L + HMAC_CTX _hmac_ctx; + EVP_CIPHER_CTX _evp_ctx; +#endif } ikev2_main_per_thread_data_t; typedef struct @@ -487,8 +520,17 @@ typedef struct /* logging level */ ikev2_log_level_t log_level; - /* custom ipsec-over-udp ports managed by ike */ - uword *udp_ports; + /* how often a liveness check will be performed */ + u32 liveness_period; + + /* max number of retries before considering peer dead */ + u32 liveness_max_retries; + + /* dead peer detection */ + u8 dpd_disabled; + + /* pointer to name resolver function in dns plugin */ + int (*dns_resolve_name) (); } ikev2_main_t; extern ikev2_main_t ikev2_main; @@ -503,8 +545,19 @@ 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); +int ikev2_decrypt_data (ikev2_main_per_thread_data_t * ptd, ikev2_sa_t * sa, + ikev2_sa_transform_t * tr_encr, u8 * data, int len, + u32 * out_len); +int ikev2_encrypt_data (ikev2_main_per_thread_data_t * ptd, ikev2_sa_t * sa, + ikev2_sa_transform_t * tr_encr, v8 * src, u8 * dst); +int ikev2_encrypt_aead_data (ikev2_main_per_thread_data_t * ptd, + ikev2_sa_t * sa, ikev2_sa_transform_t * tr_encr, + v8 * src, u8 * dst, u8 * aad, + u32 aad_len, u8 * tag); +int ikev2_decrypt_aead_data (ikev2_main_per_thread_data_t * ptd, + ikev2_sa_t * sa, ikev2_sa_transform_t * tr_encr, + u8 * data, int data_len, u8 * aad, u32 aad_len, + u8 * tag, u32 * out_len); 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); @@ -544,11 +597,24 @@ void ikev2_payload_add_ts (ikev2_payload_chain_t * c, ikev2_ts_t * ts, 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); +ikev2_sa_proposal_t *ikev2_parse_sa_payload (ike_payload_header_t * ikep, + u32 rlen); +ikev2_ts_t *ikev2_parse_ts_payload (ike_payload_header_t * ikep, u32 rlen); +ikev2_delete_t *ikev2_parse_delete_payload (ike_payload_header_t * ikep, + u32 rlen); +ikev2_notify_t *ikev2_parse_notify_payload (ike_payload_header_t * ikep, + u32 rlen); int ikev2_set_log_level (ikev2_log_level_t log_level); +u8 *ikev2_find_ike_notify_payload (ike_header_t * ike, u32 msg_type); +void ikev2_disable_dpd (void); +clib_error_t *ikev2_profile_natt_disable (u8 * name); + +static_always_inline ikev2_main_per_thread_data_t * +ikev2_get_per_thread_data () +{ + u32 thread_index = vlib_get_thread_index (); + return vec_elt_at_index (ikev2_main.per_thread_data, thread_index); +} #endif /* __included_ikev2_priv_h__ */