#ifndef _NETINET6_IPSEC_H_
#define _NETINET6_IPSEC_H_
+#include <sys/cdefs.h>
#include <sys/appleapiopts.h>
#include <net/pfkeyv2.h>
+#ifdef BSD_KERNEL_PRIVATE
#include <netkey/keydb.h>
+#include <netinet/ip_var.h>
+
+/* lock for IPSec stats */
+extern lck_grp_t *sadb_stat_mutex_grp;
+extern lck_grp_attr_t *sadb_stat_mutex_grp_attr;
+extern lck_attr_t *sadb_stat_mutex_attr;
+extern lck_mtx_t *sadb_stat_mutex;
+
+
+#define IPSEC_STAT_INCREMENT(x) \
+ OSIncrementAtomic64((SInt64 *)&x)
+
+struct secpolicyaddrrange {
+ struct sockaddr_storage start; /* Start (low values) of address range */
+ struct sockaddr_storage end; /* End (high values) of address range */
+};
-#ifdef KERNEL
-#ifdef __APPLE_API_PRIVATE
/*
* Security Policy Index
- * NOTE: Ensure to be same address family and upper layer protocol.
- * NOTE: ul_proto, port number, uid, gid:
- * ANY: reserved for waldcard.
- * 0 to (~0 - 1): is one of the number of each value.
+ * Ensure that both address families in the "src" and "dst" are same.
+ * When the value of the ul_proto is ICMPv6, the port field in "src"
+ * specifies ICMPv6 type, and the port field in "dst" specifies ICMPv6 code.
*/
struct secpolicyindex {
u_int8_t dir; /* direction of packet flow, see blow */
u_int8_t prefs; /* prefix length in bits for src */
u_int8_t prefd; /* prefix length in bits for dst */
u_int16_t ul_proto; /* upper layer Protocol */
+ ifnet_t internal_if; /* Interface a matching packet is bound to */
+ struct secpolicyaddrrange src_range; /* IP src address range for SP */
+ struct secpolicyaddrrange dst_range; /* IP dst address range for SP */
#ifdef notyet
uid_t uids;
uid_t uidd;
/* pointer to the ipsec request tree, */
/* if policy == IPSEC else this value == NULL.*/
+ ifnet_t ipsec_if; /* IPSec interface to use */
+ ifnet_t outgoing_if; /* Outgoing interface for encrypted traffic */
+
+ char disabled; /* Set to ignore policy */
+
/*
* lifetime handler.
* the policy can be used without limitiation if both lifetime and
/* if __ss_len == 0 then no address specified.*/
u_int level; /* IPsec level defined below. */
- struct secasvar *sav; /* place holder of SA for use */
struct secpolicy *sp; /* back pointer to SP */
};
int count; /* for lifetime */
/* XXX: here is mbuf place holder to be sent ? */
};
-#endif /* __APPLE_API_PRIVATE */
-#endif /*KERNEL*/
+#endif /* BSD_KERNEL_PRIVATE */
/* according to IANA assignment, port 0x0000 and proto 0xff are reserved. */
#define IPSEC_PORT_ANY 0
#define IPSEC_POLICY_IPSEC 2 /* do IPsec */
#define IPSEC_POLICY_ENTRUST 3 /* consulting SPD if present. */
#define IPSEC_POLICY_BYPASS 4 /* only for privileged socket. */
+#define IPSEC_POLICY_GENERATE 5 /* same as discard - IKE daemon can override with generated policy */
/* Security protocol level */
#define IPSEC_LEVEL_DEFAULT 0 /* reference to system default */
*/
#define IPSEC_REPLAYWSIZE 32
-#ifdef __APPLE_API_UNSTABLE
/* statistics for ipsec processing */
struct ipsecstat {
- u_quad_t in_success; /* succeeded inbound process */
- u_quad_t in_polvio;
+ u_quad_t in_success __attribute__ ((aligned (8))); /* succeeded inbound process */
+ u_quad_t in_polvio __attribute__ ((aligned (8)));
/* security policy violation for inbound process */
- u_quad_t in_nosa; /* inbound SA is unavailable */
- u_quad_t in_inval; /* inbound processing failed due to EINVAL */
- u_quad_t in_nomem; /* inbound processing failed due to ENOBUFS */
- u_quad_t in_badspi; /* failed getting a SPI */
- u_quad_t in_ahreplay; /* AH replay check failed */
- u_quad_t in_espreplay; /* ESP replay check failed */
- u_quad_t in_ahauthsucc; /* AH authentication success */
- u_quad_t in_ahauthfail; /* AH authentication failure */
- u_quad_t in_espauthsucc; /* ESP authentication success */
- u_quad_t in_espauthfail; /* ESP authentication failure */
- u_quad_t in_esphist[256];
- u_quad_t in_ahhist[256];
- u_quad_t in_comphist[256];
- u_quad_t out_success; /* succeeded outbound process */
- u_quad_t out_polvio;
+ u_quad_t in_nosa __attribute__ ((aligned (8))); /* inbound SA is unavailable */
+ u_quad_t in_inval __attribute__ ((aligned (8))); /* inbound processing failed due to EINVAL */
+ u_quad_t in_nomem __attribute__ ((aligned (8))); /* inbound processing failed due to ENOBUFS */
+ u_quad_t in_badspi __attribute__ ((aligned (8))); /* failed getting a SPI */
+ u_quad_t in_ahreplay __attribute__ ((aligned (8))); /* AH replay check failed */
+ u_quad_t in_espreplay __attribute__ ((aligned (8))); /* ESP replay check failed */
+ u_quad_t in_ahauthsucc __attribute__ ((aligned (8))); /* AH authentication success */
+ u_quad_t in_ahauthfail __attribute__ ((aligned (8))); /* AH authentication failure */
+ u_quad_t in_espauthsucc __attribute__ ((aligned (8))); /* ESP authentication success */
+ u_quad_t in_espauthfail __attribute__ ((aligned (8))); /* ESP authentication failure */
+ u_quad_t in_esphist[256] __attribute__ ((aligned (8)));
+ u_quad_t in_ahhist[256] __attribute__ ((aligned (8)));
+ u_quad_t in_comphist[256] __attribute__ ((aligned (8)));
+ u_quad_t out_success __attribute__ ((aligned (8))); /* succeeded outbound process */
+ u_quad_t out_polvio __attribute__ ((aligned (8)));
/* security policy violation for outbound process */
- u_quad_t out_nosa; /* outbound SA is unavailable */
- u_quad_t out_inval; /* outbound process failed due to EINVAL */
- u_quad_t out_nomem; /* inbound processing failed due to ENOBUFS */
- u_quad_t out_noroute; /* there is no route */
- u_quad_t out_esphist[256];
- u_quad_t out_ahhist[256];
- u_quad_t out_comphist[256];
+ u_quad_t out_nosa __attribute__ ((aligned (8))); /* outbound SA is unavailable */
+ u_quad_t out_inval __attribute__ ((aligned (8))); /* outbound process failed due to EINVAL */
+ u_quad_t out_nomem __attribute__ ((aligned (8))); /* inbound processing failed due to ENOBUFS */
+ u_quad_t out_noroute __attribute__ ((aligned (8))); /* there is no route */
+ u_quad_t out_esphist[256] __attribute__ ((aligned (8)));
+ u_quad_t out_ahhist[256] __attribute__ ((aligned (8)));
+ u_quad_t out_comphist[256] __attribute__ ((aligned (8)));
};
-#endif /* __APPLE_API_UNSTABLE */
+#ifdef BSD_KERNEL_PRIVATE
/*
* Definitions for IPsec & Key sysctl operations.
*/
#define IPSECCTL_DEF_ESP_NETLEV 4 /* int; ESP tunnel mode */
#define IPSECCTL_DEF_AH_TRANSLEV 5 /* int; AH transport mode */
#define IPSECCTL_DEF_AH_NETLEV 6 /* int; AH tunnel mode */
-#if 0 /*obsolete, do not reuse*/
+#if 0 /* obsolete, do not reuse */
#define IPSECCTL_INBOUND_CALL_IKE 7
#endif
#define IPSECCTL_AH_CLEARTOS 8
{ "esp_randpad", CTLTYPE_INT }, \
}
-#ifdef KERNEL
-#ifdef __APPLE_API_PRIVATE
+#if defined(__ARM__)
+#define IPSEC_IS_P2ALIGNED(p) IS_P2ALIGNED(p, sizeof (u_int32_t))
+#define IPSEC_GET_P2UNALIGNED_OFS(p) (sizeof(u_int32_t) - (((uintptr_t)(p)) & ((uintptr_t)(sizeof(u_int32_t)) - 1)))
+#else
+#define IPSEC_IS_P2ALIGNED(p) 1
+#define IPSEC_GET_P2UNALIGNED_OFS(p) 0
+#endif
+
struct ipsec_output_state {
+ int tunneled;
struct mbuf *m;
- struct route *ro;
+ struct route_in6 ro;
struct sockaddr *dst;
+ u_int outgoing_if;
};
struct ipsec_history {
#define ipseclog(x) do { if (ipsec_debug) log x; } while (0)
-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_getpolicybysock(struct mbuf *, u_int,
+ struct socket *, int *);
+extern struct secpolicy *ipsec4_getpolicybyaddr(struct mbuf *, u_int, int,
+ int *);
+extern int ipsec4_getpolicybyinterface(struct mbuf *, u_int, int *,
+ struct ip_out_args *, struct secpolicy **);
+
+extern u_int ipsec_get_reqlevel(struct ipsecrequest *);
struct inpcb;
-extern int ipsec_init_policy __P((struct socket *so, struct inpcbpolicy **));
-extern int ipsec_copy_policy
- __P((struct inpcbpolicy *, struct inpcbpolicy *));
-extern u_int ipsec_get_reqlevel __P((struct ipsecrequest *));
-
-extern int ipsec4_set_policy __P((struct inpcb *inp, int optname,
- caddr_t request, size_t len, int priv));
-extern int ipsec4_get_policy __P((struct inpcb *inpcb, caddr_t request,
- size_t len, struct mbuf **mp));
-extern int ipsec4_delete_pcbpolicy __P((struct inpcb *));
-extern int ipsec4_in_reject_so __P((struct mbuf *, struct socket *));
-extern int ipsec4_in_reject __P((struct mbuf *, struct inpcb *));
+extern int ipsec_init_policy(struct socket *so, struct inpcbpolicy **);
+extern int ipsec_copy_policy(struct inpcbpolicy *, struct inpcbpolicy *);
+extern u_int ipsec_get_reqlevel(struct ipsecrequest *);
+
+extern int ipsec4_set_policy(struct inpcb *inp, int optname,
+ caddr_t request, size_t len, int priv);
+extern int ipsec4_delete_pcbpolicy(struct inpcb *);
+extern int ipsec4_in_reject_so(struct mbuf *, struct socket *);
+extern int ipsec4_in_reject(struct mbuf *, struct inpcb *);
struct secas;
struct tcpcb;
-extern int ipsec_chkreplay __P((u_int32_t, struct secasvar *));
-extern int ipsec_updatereplay __P((u_int32_t, struct secasvar *));
+extern int ipsec_chkreplay(u_int32_t, struct secasvar *);
+extern int ipsec_updatereplay(u_int32_t, struct secasvar *);
-extern size_t ipsec4_hdrsiz __P((struct mbuf *, u_int, struct inpcb *));
-extern size_t ipsec_hdrsiz_tcp __P((struct tcpcb *));
+extern size_t ipsec4_hdrsiz(struct mbuf *, u_int, struct inpcb *);
+extern size_t ipsec_hdrsiz_tcp(struct tcpcb *);
+extern size_t ipsec_hdrsiz(struct secpolicy *);
struct ip;
-extern const char *ipsec4_logpacketstr __P((struct ip *, u_int32_t));
-extern const char *ipsec_logsastr __P((struct secasvar *));
-
-extern void ipsec_dumpmbuf __P((struct mbuf *));
-
-extern int ipsec4_output __P((struct ipsec_output_state *, struct secpolicy *,
- int));
-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 struct ipsec_history *ipsec_gethist __P((struct mbuf *, int *));
-extern void ipsec_clearhist __P((struct mbuf *));
-#endif /* __APPLE_API_PRIVATE */
-#endif /*KERNEL*/
+extern const char *ipsec4_logpacketstr(struct ip *, u_int32_t);
+extern const char *ipsec_logsastr(struct secasvar *);
+
+extern void ipsec_dumpmbuf(struct mbuf *);
+
+extern int ipsec4_interface_output(struct ipsec_output_state *state, ifnet_t interface);
+extern int ipsec4_output(struct ipsec_output_state *, struct secpolicy *, int);
+#if INET
+extern struct mbuf * ipsec4_splithdr(struct mbuf *);
+extern int ipsec4_encapsulate(struct mbuf *, struct secasvar *);
+#endif
+#if INET6
+extern struct mbuf * ipsec6_splithdr(struct mbuf *);
+extern int ipsec6_encapsulate(struct mbuf *, struct secasvar *);
+#endif
+extern int ipsec4_tunnel_validate(struct mbuf *, int, u_int, struct secasvar *, sa_family_t *);
+extern struct mbuf *ipsec_copypkt(struct mbuf *);
+extern void ipsec_delaux(struct mbuf *);
+extern int ipsec_setsocket(struct mbuf *, struct socket *);
+extern struct socket *ipsec_getsocket(struct mbuf *);
+extern int ipsec_addhist(struct mbuf *, int, u_int32_t);
+extern struct ipsec_history *ipsec_gethist(struct mbuf *, int *);
+extern void ipsec_clearhist(struct mbuf *);
+#endif /* BSD_KERNEL_PRIVATE */
#ifndef KERNEL
-extern caddr_t ipsec_set_policy __P((char *, int));
-extern int ipsec_get_policylen __P((caddr_t));
-extern char *ipsec_dump_policy __P((caddr_t, char *));
+__BEGIN_DECLS
+extern caddr_t ipsec_set_policy(char *, int);
+extern int ipsec_get_policylen(caddr_t);
+extern char *ipsec_dump_policy(caddr_t, char *);
-extern const char *ipsec_strerror __P((void));
-#endif /*!KERNEL*/
+extern const char *ipsec_strerror(void);
+__END_DECLS
+#endif /* KERNEL */
-#endif /*_NETINET6_IPSEC_H_*/
+#endif /* _NETINET6_IPSEC_H_ */
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