} \
} 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)) \
} \
} 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; \
} \
} 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) \
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
typedef struct
{
u8 *name;
- u8 is_enabled;
ikev2_auth_t auth;
ikev2_id_t loc_id;
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;
/* 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;
u32 sw_if_index;
/* is NAT traversal mode */
- u8 natt;
+ ikev2_natt_state_t natt_state;
+ u8 keys_generated;
+
+ ikev2_stats_t stats;
} ikev2_sa_t;
/* 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
/* 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;
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);
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__ */