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[apple/ipsec.git] / ipsec-tools / racoon / ike_session.h
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d1e348cf
A		 1/*
2 * Copyright (c) 2008 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22
23#ifndef _IKE_SESSION_H
24#define _IKE_SESSION_H
25
26#include <stdlib.h>
27#include <sys/types.h>
28#include <sys/socket.h>
29#include <sys/param.h>
30#ifdef __APPLE__
31#include <System/net/pfkeyv2.h>
32#else
33#include <net/pfkeyv2.h>
34#endif
35#include <netinet/in.h>
36#include "handler.h"
37#include "ipsecSessionTracer.h"
38
39#define IKE_VERSION_1 0x1
40#define IKE_VERSION_2 0x2
41
42typedef struct ike_session_id {
43 struct sockaddr_storage local;
44 struct sockaddr_storage remote;
45} ike_session_id_t;
46
47typedef struct ike_session_stats {
48 u_int32_t counters[IPSECSESSIONEVENTCODE_MAX];
49} ike_session_stats_t;
50
51typedef struct ike_session_ikev1 {
52 /* list of ph1s */
53 int active_ph1cnt;
54 int ph1cnt; /* the number which is negotiated for this session */
55 LIST_HEAD(_ph1ofsession_, ph1handle) ph1tree;
56
57 /* list of ph2s */
58 int active_ph2cnt;
59 int ph2cnt; /* the number which is negotiated for this session */
60 LIST_HEAD(_ph2ofsession_, ph2handle) ph2tree;
61} ike_session_ikev1_t;
62
63typedef struct ike_session_sastats {
64 int interv_mon;
65 int interv_idle;
66 int dir_idle;
67 struct sched *sc_mon;
68 struct sched *sc_idle;
69
70 u_int32_t num_in_curr_req;
71 u_int32_t num_in_last_poll;
72 struct sastat in_curr_req[8];
73 struct sastat in_last_poll[8];
74
75 u_int32_t num_out_curr_req;
76 u_int32_t num_out_last_poll;
77 struct sastat out_curr_req[8];
78 struct sastat out_last_poll[8];
79} ike_sesssion_sastats_t;
80
81struct ike_session {
82 u_int8_t version; /* mask of version flags */
83 u_int8_t mode; /* mode of protocol, see ipsec.h */
84 u_int16_t proto; /* IPPROTO_ESP or IPPROTO_AH */
85
86 ike_session_id_t session_id;
87
88 int established:1;
89 int ports_floated:1;
90 int is_cisco_ipsec:1;
91 int is_l2tpvpn_ipsec:1;
92 int is_btmm_ipsec:1;
93 int stopped_by_vpn_controller:1;
94 int peer_sent_data_sc_dpd:1;
95 int peer_sent_data_sc_idle:1;
96 int i_sent_data_sc_dpd:1;
97 int i_sent_data_sc_idle:1;
98 int is_client:1;
fce29cd9 99 time_t last_time_data_sc_detected;
d1e348cf 100 u_int32_t natt_flags;
80318cb7 101 u_int32_t natt_version;
d1e348cf
A		 102 char *term_reason;
103
104 struct timeval start_timestamp;
105 struct timeval estab_timestamp;
106 struct timeval stop_timestamp;
107 ike_session_ikev1_t ikev1_state;
108
109 ike_session_stats_t stats;
110
111 ike_sesssion_sastats_t traffic_monitor;
112 struct sched *sc_idle;
113 struct sched *sc_xauth;
114
115 LIST_ENTRY(ike_session) chain;
116};
117
118extern const char * ike_session_stopped_by_vpn_disconnect;
119extern const char * ike_session_stopped_by_flush;
120
121extern void ike_session_init __P((void));
122extern ike_session_t * ike_session_get_session __P((struct sockaddr *, struct sockaddr *, int));
123extern u_int ike_session_get_rekey_lifetime __P((int, u_int));
124extern void ike_session_update_mode __P((struct ph2handle *iph2));
125extern int ike_session_link_ph1_to_session __P((struct ph1handle *));
126extern int ike_session_link_ph2_to_session __P((struct ph2handle *));
127extern int ike_session_unlink_ph1_from_session __P((struct ph1handle *));
128extern int ike_session_unlink_ph2_from_session __P((struct ph2handle *));
129extern int ike_session_has_other_established_ph1 __P((ike_session_t *, struct ph1handle *));
130extern int ike_session_has_other_negoing_ph1 __P((ike_session_t *, struct ph1handle *));
131extern int ike_session_has_other_established_ph2 __P((ike_session_t *, struct ph2handle *));
132extern int ike_session_has_other_negoing_ph2 __P((ike_session_t *, struct ph2handle *));
133extern int ike_session_verify_ph2_parent_session __P((struct ph2handle *));
134extern struct ph1handle * ike_session_update_ph1_ph2tree __P((struct ph1handle *));
135extern struct ph1handle * ike_session_update_ph2_ph1bind __P((struct ph2handle *));
136extern void ike_session_ikev1_float_ports __P((struct ph1handle *));
137extern void ike_session_ph2_established __P((struct ph2handle *));
138extern void ike_session_cleanup_other_established_ph1s __P((ike_session_t *, struct ph1handle *));
139extern void ike_session_cleanup_other_established_ph2s __P((ike_session_t *, struct ph2handle *));
140extern void ike_session_stopped_by_controller __P((ike_session_t *, const char *));
141extern void ike_sessions_stopped_by_controller __P((struct sockaddr *, int, const char *));
142extern void ike_session_purge_ph2s_by_ph1 __P((struct ph1handle *));
143extern struct ph1handle * ike_session_get_established_ph1 __P((ike_session_t *));
144extern void ike_session_update_ph2_ports __P((struct ph2handle *));
145extern u_int32_t ike_session_get_sas_for_stats __P((ike_session_t *, u_int8_t, u_int32_t *, struct sastat *, u_int32_t));
146extern void ike_session_update_traffic_idle_status __P((ike_session_t *, u_int32_t, struct sastat *, u_int32_t));
147extern void ike_session_cleanup __P((ike_session_t *, const char *));
148extern int ike_session_has_negoing_ph1 __P((ike_session_t *));
149extern int ike_session_has_negoing_ph2 __P((ike_session_t *));
150extern int ike_session_has_established_ph2 __P((ike_session_t *));
151extern void ike_session_cleanup_ph1s_by_ph2 __P((struct ph2handle *));
152extern int ike_session_is_client_ph2_rekey __P((struct ph2handle *));
153extern int ike_session_is_client_ph1_rekey __P((struct ph1handle *));
154extern void ike_session_start_xauth_timer __P((struct ph1handle *));
155extern void ike_session_stop_xauth_timer __P((struct ph1handle *));
47612122 156extern int ike_session_get_sainfo_r __P((struct ph2handle *));
80318cb7
A		 157extern int ike_session_get_proposal_r __P((struct ph2handle *));
158extern void ike_session_update_natt_version __P((struct ph1handle *));
159extern int ike_session_get_natt_version __P((struct ph1handle *));
fce29cd9
A		 160extern int ike_session_drop_rekey __P((ike_session_t *));
161extern void ike_session_ph2_retransmits __P((struct ph2handle *));
d1e348cf
A		 162
163#endif /* _IKE_SESSION_H */
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