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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>
d1e348cf 30#include <System/net/pfkeyv2.h>
d1e348cf
A		 31#include <netinet/in.h>
32#include "handler.h"
33#include "ipsecSessionTracer.h"
34
35#define IKE_VERSION_1 0x1
36#define IKE_VERSION_2 0x2
37
38typedef struct ike_session_id {
39 struct sockaddr_storage local;
40 struct sockaddr_storage remote;
41} ike_session_id_t;
42
43typedef struct ike_session_stats {
44 u_int32_t counters[IPSECSESSIONEVENTCODE_MAX];
45} ike_session_stats_t;
46
47typedef struct ike_session_ikev1 {
48 /* list of ph1s */
49 int active_ph1cnt;
50 int ph1cnt; /* the number which is negotiated for this session */
51 LIST_HEAD(_ph1ofsession_, ph1handle) ph1tree;
52
53 /* list of ph2s */
54 int active_ph2cnt;
55 int ph2cnt; /* the number which is negotiated for this session */
56 LIST_HEAD(_ph2ofsession_, ph2handle) ph2tree;
57} ike_session_ikev1_t;
58
59typedef struct ike_session_sastats {
60 int interv_mon;
61 int interv_idle;
62 int dir_idle;
63 struct sched *sc_mon;
64 struct sched *sc_idle;
65
66 u_int32_t num_in_curr_req;
67 u_int32_t num_in_last_poll;
68 struct sastat in_curr_req[8];
69 struct sastat in_last_poll[8];
70
71 u_int32_t num_out_curr_req;
72 u_int32_t num_out_last_poll;
73 struct sastat out_curr_req[8];
74 struct sastat out_last_poll[8];
75} ike_sesssion_sastats_t;
76
77struct ike_session {
78 u_int8_t version; /* mask of version flags */
79 u_int8_t mode; /* mode of protocol, see ipsec.h */
80 u_int16_t proto; /* IPPROTO_ESP or IPPROTO_AH */
81
82 ike_session_id_t session_id;
83
84 int established:1;
85 int ports_floated:1;
86 int is_cisco_ipsec:1;
87 int is_l2tpvpn_ipsec:1;
88 int is_btmm_ipsec:1;
89 int stopped_by_vpn_controller:1;
90 int peer_sent_data_sc_dpd:1;
91 int peer_sent_data_sc_idle:1;
92 int i_sent_data_sc_dpd:1;
93 int i_sent_data_sc_idle:1;
94 int is_client:1;
fce29cd9 95 time_t last_time_data_sc_detected;
e8d9021d
A		 96 int controller_awaiting_peer_resp:1;
97 int is_dying:1;
98 int is_asserted:1;
d1e348cf 99 u_int32_t natt_flags;
80318cb7 100 u_int32_t natt_version;
d1e348cf
A		 101 char *term_reason;
102
103 struct timeval start_timestamp;
104 struct timeval estab_timestamp;
105 struct timeval stop_timestamp;
106 ike_session_ikev1_t ikev1_state;
107
108 ike_session_stats_t stats;
109
110 ike_sesssion_sastats_t traffic_monitor;
111 struct sched *sc_idle;
112 struct sched *sc_xauth;
113
114 LIST_ENTRY(ike_session) chain;
115};
116
e8d9021d
A		 117typedef enum ike_session_rekey_type {
118 IKE_SESSION_REKEY_TYPE_NONE = 0,
119 IKE_SESSION_REKEY_TYPE_PH1,
120 IKE_SESSION_REKEY_TYPE_PH2,
121} ike_session_rekey_type_t;
122
d1e348cf
A		 123extern const char * ike_session_stopped_by_vpn_disconnect;
124extern const char * ike_session_stopped_by_flush;
e8d9021d
A		 125extern const char * ike_session_stopped_by_sleepwake;
126extern const char * ike_session_stopped_by_assert;
d1e348cf
A		 127
128extern void ike_session_init __P((void));
129extern ike_session_t * ike_session_get_session __P((struct sockaddr *, struct sockaddr *, int));
130extern u_int ike_session_get_rekey_lifetime __P((int, u_int));
131extern void ike_session_update_mode __P((struct ph2handle *iph2));
132extern int ike_session_link_ph1_to_session __P((struct ph1handle *));
133extern int ike_session_link_ph2_to_session __P((struct ph2handle *));
134extern int ike_session_unlink_ph1_from_session __P((struct ph1handle *));
135extern int ike_session_unlink_ph2_from_session __P((struct ph2handle *));
136extern int ike_session_has_other_established_ph1 __P((ike_session_t *, struct ph1handle *));
137extern int ike_session_has_other_negoing_ph1 __P((ike_session_t *, struct ph1handle *));
138extern int ike_session_has_other_established_ph2 __P((ike_session_t *, struct ph2handle *));
139extern int ike_session_has_other_negoing_ph2 __P((ike_session_t *, struct ph2handle *));
140extern int ike_session_verify_ph2_parent_session __P((struct ph2handle *));
141extern struct ph1handle * ike_session_update_ph1_ph2tree __P((struct ph1handle *));
142extern struct ph1handle * ike_session_update_ph2_ph1bind __P((struct ph2handle *));
143extern void ike_session_ikev1_float_ports __P((struct ph1handle *));
144extern void ike_session_ph2_established __P((struct ph2handle *));
145extern void ike_session_cleanup_other_established_ph1s __P((ike_session_t *, struct ph1handle *));
146extern void ike_session_cleanup_other_established_ph2s __P((ike_session_t *, struct ph2handle *));
147extern void ike_session_stopped_by_controller __P((ike_session_t *, const char *));
148extern void ike_sessions_stopped_by_controller __P((struct sockaddr *, int, const char *));
149extern void ike_session_purge_ph2s_by_ph1 __P((struct ph1handle *));
150extern struct ph1handle * ike_session_get_established_ph1 __P((ike_session_t *));
151extern void ike_session_update_ph2_ports __P((struct ph2handle *));
152extern u_int32_t ike_session_get_sas_for_stats __P((ike_session_t *, u_int8_t, u_int32_t *, struct sastat *, u_int32_t));
153extern void ike_session_update_traffic_idle_status __P((ike_session_t *, u_int32_t, struct sastat *, u_int32_t));
154extern void ike_session_cleanup __P((ike_session_t *, const char *));
155extern int ike_session_has_negoing_ph1 __P((ike_session_t *));
e8d9021d 156extern int ike_session_has_established_ph1 __P((ike_session_t *));
d1e348cf
A		 157extern int ike_session_has_negoing_ph2 __P((ike_session_t *));
158extern int ike_session_has_established_ph2 __P((ike_session_t *));
159extern void ike_session_cleanup_ph1s_by_ph2 __P((struct ph2handle *));
160extern int ike_session_is_client_ph2_rekey __P((struct ph2handle *));
161extern int ike_session_is_client_ph1_rekey __P((struct ph1handle *));
162extern void ike_session_start_xauth_timer __P((struct ph1handle *));
163extern void ike_session_stop_xauth_timer __P((struct ph1handle *));
47612122 164extern int ike_session_get_sainfo_r __P((struct ph2handle *));
80318cb7
A		 165extern int ike_session_get_proposal_r __P((struct ph2handle *));
166extern void ike_session_update_natt_version __P((struct ph1handle *));
167extern int ike_session_get_natt_version __P((struct ph1handle *));
e8d9021d
A		 168extern int ike_session_drop_rekey __P((ike_session_t *, ike_session_rekey_type_t));
169extern void ike_session_sweep_sleepwake __P((void));
170extern int ike_session_assert __P((struct sockaddr *, struct sockaddr *));
171extern int ike_session_assert_session __P((ike_session_t *));
fce29cd9 172extern void ike_session_ph2_retransmits __P((struct ph2handle *));
e8d9021d 173extern void ike_session_ph1_retransmits __P((struct ph1handle *));
d1e348cf
A		 174
175#endif /* _IKE_SESSION_H */
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