#ifndef _IKE_SESSION_H
#define _IKE_SESSION_H
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/param.h>
#include <net/pfkeyv2.h>
#include <netinet/in.h>
#include <dispatch/dispatch.h>
#include "handler.h"
#include "ipsecSessionTracer.h"
typedef struct ike_session_id {
struct sockaddr_storage local;
struct sockaddr_storage remote;
} ike_session_id_t;
typedef struct ike_session_stats {
u_int32_t counters[IPSECSESSIONEVENTCODE_MAX];
} ike_session_stats_t;
typedef struct ike_session_ikev1 {
int active_ph1cnt;
int ph1cnt;
int active_ph2cnt;
int ph2cnt;
} ike_session_ikev1_t;
typedef struct ike_session_sastats {
int interv_mon;
int interv_idle;
int dir_idle;
schedule_ref sc_mon;
schedule_ref sc_idle;
u_int32_t num_in_curr_req;
u_int32_t num_in_last_poll;
struct sastat in_curr_req[8];
struct sastat in_last_poll[8];
u_int32_t num_out_curr_req;
u_int32_t num_out_last_poll;
struct sastat out_curr_req[8];
struct sastat out_last_poll[8];
} ike_sesssion_sastats_t;
struct ike_session {
u_int8_t mode;
u_int16_t proto;
ike_session_id_t session_id;
int established:1;
int ports_floated:1;
int is_cisco_ipsec:1;
int is_l2tpvpn_ipsec:1;
int is_btmm_ipsec:1;
int stopped_by_vpn_controller:1;
int peer_sent_data_sc_dpd:1;
int peer_sent_data_sc_idle:1;
int i_sent_data_sc_dpd:1;
int i_sent_data_sc_idle:1;
int is_client:1;
time_t last_time_data_sc_detected;
int controller_awaiting_peer_resp:1;
int is_dying:1;
int is_asserted:1;
u_int32_t natt_flags;
u_int32_t natt_version;
char *term_reason;
struct timeval start_timestamp;
struct timeval estab_timestamp;
struct timeval stop_timestamp;
ike_session_ikev1_t ikev1_state;
ike_session_stats_t stats;
ike_sesssion_sastats_t traffic_monitor;
schedule_ref sc_idle;
schedule_ref sc_xauth;
LIST_HEAD(_ph1tree_, phase1handle) ph1tree;
LIST_HEAD(_ph2tree_, phase2handle) ph2tree;
LIST_ENTRY(ike_session) chain;
};
typedef enum ike_session_rekey_type {
IKE_SESSION_REKEY_TYPE_NONE = 0,
IKE_SESSION_REKEY_TYPE_PH1,
IKE_SESSION_REKEY_TYPE_PH2,
} ike_session_rekey_type_t;
extern const char * ike_session_stopped_by_vpn_disconnect;
extern const char * ike_session_stopped_by_controller_comm_lost;
extern const char * ike_session_stopped_by_flush;
extern const char * ike_session_stopped_by_sleepwake;
extern const char * ike_session_stopped_by_assert;
extern const char * ike_session_stopped_by_peer;
extern void ike_session_init (void);
extern ike_session_t * ike_session_create_session (ike_session_id_t *session_id);
extern void ike_session_release_session (ike_session_t *session);
extern ike_session_t * ike_session_get_session (struct sockaddr_storage *, struct sockaddr_storage *, int, isakmp_index *);
extern u_int ike_session_get_rekey_lifetime (int, u_int);
extern void ike_session_update_mode (phase2_handle_t *iph2);
extern int ike_session_link_phase1 (ike_session_t *, phase1_handle_t *);
extern int ike_session_link_phase2 (ike_session_t *, phase2_handle_t *);
extern int ike_session_link_ph2_to_ph1 (phase1_handle_t *, phase2_handle_t *);
extern int ike_session_unlink_phase1 (phase1_handle_t *);
extern int ike_session_unlink_phase2 (phase2_handle_t *);
extern int ike_session_has_other_established_ph1 (ike_session_t *, phase1_handle_t *);
extern int ike_session_has_other_negoing_ph1 (ike_session_t *, phase1_handle_t *);
extern int ike_session_has_other_established_ph2 (ike_session_t *, phase2_handle_t *);
extern int ike_session_has_other_negoing_ph2 (ike_session_t *, phase2_handle_t *);
extern phase1_handle_t * ike_session_update_ph1_ph2tree (phase1_handle_t *);
extern phase1_handle_t * ike_session_update_ph2_ph1bind (phase2_handle_t *);
extern void ike_session_ikev1_float_ports (phase1_handle_t *);
extern void ike_session_ph2_established (phase2_handle_t *);
extern void ike_session_replace_other_ph1 (phase1_handle_t *, phase1_handle_t *);
extern void ike_session_cleanup_other_established_ph1s (ike_session_t *, phase1_handle_t *);
extern void ike_session_cleanup_other_established_ph2s (ike_session_t *, phase2_handle_t *);
extern void ike_session_stopped_by_controller (ike_session_t *, const char *);
extern void ike_sessions_stopped_by_controller (struct sockaddr_storage *, int, const char *);
extern void ike_session_purge_ph2s_by_ph1 (phase1_handle_t *);
extern void ike_session_purge_ph1s_by_session (ike_session_t *session);
extern phase1_handle_t * ike_session_get_established_ph1 (ike_session_t *);
extern phase1_handle_t * ike_session_get_established_or_negoing_ph1 (ike_session_t *);
extern void ike_session_update_ph2_ports (phase2_handle_t *);
extern u_int32_t ike_session_get_sas_for_stats (ike_session_t *, u_int8_t, u_int32_t *, struct sastat *, u_int32_t);
extern void ike_session_update_traffic_idle_status (ike_session_t *, u_int32_t, struct sastat *, u_int32_t);
extern void ike_session_cleanup (ike_session_t *, const char *);
extern int ike_session_has_negoing_ph1 (ike_session_t *);
extern int ike_session_has_established_ph1 (ike_session_t *);
extern int ike_session_has_negoing_ph2 (ike_session_t *);
extern int ike_session_has_established_ph2 (ike_session_t *);
extern void ike_session_cleanup_ph1s_by_ph2 (phase2_handle_t *);
extern int ike_session_is_client_ph2_rekey (phase2_handle_t *);
extern int ike_session_is_client_ph1_rekey (phase1_handle_t *);
extern int ike_session_is_client_ph1 (phase1_handle_t *);
extern int ike_session_is_client_ph2 (phase2_handle_t *);
extern void ike_session_start_xauth_timer (phase1_handle_t *);
extern void ike_session_stop_xauth_timer (phase1_handle_t *);
extern int ike_session_get_sainfo_r (phase2_handle_t *);
extern int ike_session_get_proposal_r (phase2_handle_t *);
extern void ike_session_update_natt_version (phase1_handle_t *);
extern int ike_session_get_natt_version (phase1_handle_t *);
extern int ike_session_drop_rekey (ike_session_t *, ike_session_rekey_type_t);
extern void ike_session_sweep_sleepwake (void);
extern int ike_session_assert (struct sockaddr_storage *, struct sockaddr_storage *);
extern int ike_session_assert_session (ike_session_t *);
extern void ike_session_unbindph12(phase2_handle_t *);
extern void ike_session_ph2_retransmits (phase2_handle_t *);
extern void ike_session_ph1_retransmits (phase1_handle_t *);
#endif