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Diffstat (limited to 'sys/netinet6/ipsec.h')
-rw-r--r--sys/netinet6/ipsec.h70
1 files changed, 57 insertions, 13 deletions
diff --git a/sys/netinet6/ipsec.h b/sys/netinet6/ipsec.h
index 7787fab..356c985 100644
--- a/sys/netinet6/ipsec.h
+++ b/sys/netinet6/ipsec.h
@@ -1,5 +1,5 @@
/* $FreeBSD$ */
-/* $KAME: ipsec.h,v 1.53 2001/11/20 08:32:38 itojun Exp $ */
+/* $KAME: ipsec.h,v 1.69 2003/09/10 23:49:11 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -54,7 +54,6 @@
* specifies ICMPv6 type, and the port field in "dst" specifies ICMPv6 code.
*/
struct secpolicyindex {
- u_int8_t dir; /* direction of packet flow, see blow */
struct sockaddr_storage src; /* IP src address for SP */
struct sockaddr_storage dst; /* IP dst address for SP */
u_int8_t prefs; /* prefix length in bits for src */
@@ -70,16 +69,26 @@ struct secpolicyindex {
/* Security Policy Data Base */
struct secpolicy {
- LIST_ENTRY(secpolicy) chain;
+ TAILQ_ENTRY(secpolicy) tailq; /* all SPD entries, both pcb/table */
+ LIST_ENTRY(secpolicy) chain; /* SPD entries on table */
+ u_int8_t dir; /* direction of packet flow */
+ int readonly; /* write prohibited */
+ int persist; /* will never be removed */
int refcnt; /* reference count */
- struct secpolicyindex spidx; /* selector */
- u_int32_t id; /* It's unique number on the system. */
+ struct secpolicyindex *spidx; /* selector - NULL if not valid */
+ u_int32_t id; /* it identifies a policy in the SPD. */
+#define IPSEC_MANUAL_POLICYID_MAX 0x3fff
+ /*
+ * 1 - 0x3fff are reserved for user operation.
+ * 0 are reserved. Others are for kernel use.
+ */
+ struct socket *so; /* backpointer to per-socket policy */
u_int state; /* 0: dead, others: alive */
#define IPSEC_SPSTATE_DEAD 0
#define IPSEC_SPSTATE_ALIVE 1
- u_int policy; /* DISCARD, NONE or IPSEC, see keyv2.h */
+ int policy; /* DISCARD, NONE or IPSEC, see below */
struct ipsecrequest *req;
/* pointer to the ipsec request tree, */
/* if policy == IPSEC else this value == NULL.*/
@@ -98,6 +107,7 @@ struct secpolicy {
};
/* Request for IPsec */
+struct ifnet;
struct ipsecrequest {
struct ipsecrequest *next;
/* pointer to next structure */
@@ -108,6 +118,8 @@ struct ipsecrequest {
struct secasvar *sav; /* place holder of SA for use */
struct secpolicy *sp; /* back pointer to SP */
+
+ struct ifnet *tunifp; /* interface for tunnelling */
};
/* security policy in PCB */
@@ -115,6 +127,14 @@ struct inpcbpolicy {
struct secpolicy *sp_in;
struct secpolicy *sp_out;
int priv; /* privileged socket ? */
+
+ /* cached policy */
+ /* XXX 3 == IPSEC_DIR_MAX */
+ struct secpolicy *cache[3];
+ struct secpolicyindex cacheidx[3];
+ int cachegen[3]; /* cache generation #, the time we filled it */
+ int cacheflags;
+#define IPSEC_PCBSP_CONNECTED 1
};
/* SP acquiring list table. */
@@ -127,6 +147,14 @@ struct secspacq {
int count; /* for lifetime */
/* XXX: here is mbuf place holder to be sent ? */
};
+
+struct ipsecaux {
+ struct socket *so;
+ int hdrs; /* # of ipsec headers */
+
+ struct secpolicy *sp;
+ struct ipsecrequest *req;
+};
#endif /* _KERNEL */
/* according to IANA assignment, port 0x0000 and proto 0xff are reserved. */
@@ -210,6 +238,9 @@ struct ipsecstat {
u_quad_t out_esphist[256];
u_quad_t out_ahhist[256];
u_quad_t out_comphist[256];
+
+ u_quad_t spdcachelookup;
+ u_quad_t spdcachemiss;
};
/*
@@ -274,6 +305,7 @@ struct ipsec_output_state {
struct mbuf *m;
struct route *ro;
struct sockaddr *dst;
+ int encap;
};
struct ipsec_history {
@@ -283,8 +315,9 @@ struct ipsec_history {
extern int ipsec_debug;
+#ifdef INET
extern struct ipsecstat ipsecstat;
-extern struct secpolicy ip4_def_policy;
+extern struct secpolicy *ip4_def_policy;
extern int ip4_esp_trans_deflev;
extern int ip4_esp_net_deflev;
extern int ip4_ah_trans_deflev;
@@ -294,21 +327,26 @@ extern int ip4_ah_offsetmask;
extern int ip4_ipsec_dfbit;
extern int ip4_ipsec_ecn;
extern int ip4_esp_randpad;
+#endif
#define ipseclog(x) do { if (ipsec_debug) log x; } while (/*CONSTCOND*/ 0)
-struct inpcb;
-extern struct secpolicy *ipsec4_getpolicybypcb
- __P((struct mbuf *, u_int, struct inpcb *, int *));
+extern int ipsec_pcbconn __P((struct inpcbpolicy *));
+extern int ipsec_pcbdisconn __P((struct inpcbpolicy *));
+extern int ipsec_invalpcbcacheall __P((void));
+
extern struct secpolicy *ipsec4_getpolicybysock
__P((struct mbuf *, u_int, struct socket *, int *));
extern struct secpolicy *ipsec4_getpolicybyaddr
__P((struct mbuf *, u_int, int, int *));
+extern struct secpolicy *ipsec4_getpolicybytag
+ __P((struct mbuf *, u_int, int *));
-extern int ipsec_init_policy __P((struct socket *, struct inpcbpolicy **));
-extern int ipsec_copy_policy
+struct inpcb;
+extern int ipsec_init_pcbpolicy __P((struct socket *, struct inpcbpolicy **));
+extern int ipsec_copy_pcbpolicy
__P((struct inpcbpolicy *, struct inpcbpolicy *));
-extern u_int ipsec_get_reqlevel __P((struct ipsecrequest *));
+extern u_int ipsec_get_reqlevel __P((struct ipsecrequest *, int));
extern int ipsec4_set_policy __P((struct inpcb *, int, caddr_t, size_t, int));
extern int ipsec4_get_policy __P((struct inpcb *, caddr_t, size_t,
@@ -319,6 +357,7 @@ extern int ipsec4_in_reject __P((struct mbuf *, struct inpcb *));
struct secas;
struct tcpcb;
+struct tcp6cb;
extern int ipsec_chkreplay __P((u_int32_t, struct secasvar *));
extern int ipsec_updatereplay __P((u_int32_t, struct secasvar *));
@@ -337,8 +376,13 @@ extern int ipsec4_tunnel_validate __P((struct mbuf *, int, u_int,
struct secasvar *));
extern struct mbuf *ipsec_copypkt __P((struct mbuf *));
extern void ipsec_delaux __P((struct mbuf *));
+extern int ipsec_setsocket __P((struct mbuf *, struct socket *));
+extern struct socket *ipsec_getsocket __P((struct mbuf *));
extern int ipsec_addhist __P((struct mbuf *, int, u_int32_t));
+extern int ipsec_getnhist __P((struct mbuf *));
extern struct ipsec_history *ipsec_gethist __P((struct mbuf *, int *));
+extern void ipsec_clearhist __P((struct mbuf *));
+
#endif /* _KERNEL */
#ifndef _KERNEL
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