X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fxfrm.h;h=2d4ec15abaca90f184ff8c64c259187cacbf0b2c;hb=9e48858f7d36a6a3849f1d1b40c3bf5624b4ee7c;hp=fd2ef742a9fd1e1c62d873a5cec2a9b78362c5da;hpb=492b558b3191319cbc859a9e025bc354d336c261;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index fd2ef74..2d4ec15 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -12,8 +12,8 @@
  */
 typedef union
 {
-	__u32		a4;
-	__u32		a6[4];
+	__be32		a4;
+	__be32		a6[4];
 } xfrm_address_t;
 
 /* Ident of a specific xfrm_state. It is used on input to lookup
@@ -23,26 +23,42 @@ typedef union
 struct xfrm_id
 {
 	xfrm_address_t	daddr;
-	__u32		spi;
+	__be32		spi;
 	__u8		proto;
 };
 
+struct xfrm_sec_ctx {
+	__u8	ctx_doi;
+	__u8	ctx_alg;
+	__u16	ctx_len;
+	__u32	ctx_sid;
+	char	ctx_str[0];
+};
+
+/* Security Context Domains of Interpretation */
+#define XFRM_SC_DOI_RESERVED 0
+#define XFRM_SC_DOI_LSM 1
+
+/* Security Context Algorithms */
+#define XFRM_SC_ALG_RESERVED 0
+#define XFRM_SC_ALG_SELINUX 1
+
 /* Selector, used as selector both on policy rules (SPD) and SAs. */
 
 struct xfrm_selector
 {
 	xfrm_address_t	daddr;
 	xfrm_address_t	saddr;
-	__u16	dport;
-	__u16	dport_mask;
-	__u16	sport;
-	__u16	sport_mask;
+	__be16	dport;
+	__be16	dport_mask;
+	__be16	sport;
+	__be16	sport_mask;
 	__u16	family;
 	__u8	prefixlen_d;
 	__u8	prefixlen_s;
 	__u8	proto;
 	int	ifindex;
-	uid_t	user;
+	__kernel_uid32_t	user;
 };
 
 #define XFRM_INF (~(__u64)0)
@@ -75,9 +91,16 @@ struct xfrm_replay_state
 };
 
 struct xfrm_algo {
-	char	alg_name[64];
-	int	alg_key_len;    /* in bits */
-	char	alg_key[0];
+	char		alg_name[64];
+	unsigned int	alg_key_len;    /* in bits */
+	char		alg_key[0];
+};
+
+struct xfrm_algo_aead {
+	char		alg_name[64];
+	unsigned int	alg_key_len;	/* in bits */
+	unsigned int	alg_icv_len;	/* in bits */
+	char		alg_key[0];
 };
 
 struct xfrm_stats {
@@ -88,9 +111,18 @@ struct xfrm_stats {
 
 enum
 {
+	XFRM_POLICY_TYPE_MAIN	= 0,
+	XFRM_POLICY_TYPE_SUB	= 1,
+	XFRM_POLICY_TYPE_MAX	= 2,
+	XFRM_POLICY_TYPE_ANY	= 255
+};
+
+enum
+{
 	XFRM_POLICY_IN	= 0,
 	XFRM_POLICY_OUT	= 1,
 	XFRM_POLICY_FWD	= 2,
+	XFRM_POLICY_MASK = 3,
 	XFRM_POLICY_MAX	= 3
 };
 
@@ -102,6 +134,13 @@ enum
 	XFRM_SHARE_UNIQUE	/* Use once */
 };
 
+#define XFRM_MODE_TRANSPORT 0
+#define XFRM_MODE_TUNNEL 1
+#define XFRM_MODE_ROUTEOPTIMIZATION 2
+#define XFRM_MODE_IN_TRIGGER 3
+#define XFRM_MODE_BEET 4
+#define XFRM_MODE_MAX 5
+
 /* Netlink configuration messages.  */
 enum {
 	XFRM_MSG_BASE = 0x10,
@@ -140,12 +179,47 @@ enum {
 	XFRM_MSG_FLUSHPOLICY,
 #define XFRM_MSG_FLUSHPOLICY XFRM_MSG_FLUSHPOLICY
 
+	XFRM_MSG_NEWAE,
+#define XFRM_MSG_NEWAE XFRM_MSG_NEWAE
+	XFRM_MSG_GETAE,
+#define XFRM_MSG_GETAE XFRM_MSG_GETAE
+
+	XFRM_MSG_REPORT,
+#define XFRM_MSG_REPORT XFRM_MSG_REPORT
+
+	XFRM_MSG_MIGRATE,
+#define XFRM_MSG_MIGRATE XFRM_MSG_MIGRATE
+
+	XFRM_MSG_NEWSADINFO,
+#define XFRM_MSG_NEWSADINFO XFRM_MSG_NEWSADINFO
+	XFRM_MSG_GETSADINFO,
+#define XFRM_MSG_GETSADINFO XFRM_MSG_GETSADINFO
+
+	XFRM_MSG_NEWSPDINFO,
+#define XFRM_MSG_NEWSPDINFO XFRM_MSG_NEWSPDINFO
+	XFRM_MSG_GETSPDINFO,
+#define XFRM_MSG_GETSPDINFO XFRM_MSG_GETSPDINFO
+
+	XFRM_MSG_MAPPING,
+#define XFRM_MSG_MAPPING XFRM_MSG_MAPPING
 	__XFRM_MSG_MAX
 };
 #define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
 
 #define XFRM_NR_MSGTYPES (XFRM_MSG_MAX + 1 - XFRM_MSG_BASE)
 
+/*
+ * Generic LSM security context for comunicating to user space
+ * NOTE: Same format as sadb_x_sec_ctx
+ */
+struct xfrm_user_sec_ctx {
+	__u16			len;
+	__u16			exttype;
+	__u8			ctx_alg;  /* LSMs: e.g., selinux == 1 */
+	__u8			ctx_doi;
+	__u16			ctx_len;
+};
+
 struct xfrm_user_tmpl {
 	struct xfrm_id		id;
 	__u16			family;
@@ -161,11 +235,32 @@ struct xfrm_user_tmpl {
 
 struct xfrm_encap_tmpl {
 	__u16		encap_type;
-	__u16		encap_sport;
-	__u16		encap_dport;
+	__be16		encap_sport;
+	__be16		encap_dport;
 	xfrm_address_t	encap_oa;
 };
 
+/* AEVENT flags  */
+enum xfrm_ae_ftype_t {
+	XFRM_AE_UNSPEC,
+	XFRM_AE_RTHR=1,	/* replay threshold*/
+	XFRM_AE_RVAL=2, /* replay value */
+	XFRM_AE_LVAL=4, /* lifetime value */
+	XFRM_AE_ETHR=8, /* expiry timer threshold */
+	XFRM_AE_CR=16, /* Event cause is replay update */
+	XFRM_AE_CE=32, /* Event cause is timer expiry */
+	XFRM_AE_CU=64, /* Event cause is policy update */
+	__XFRM_AE_MAX
+
+#define XFRM_AE_MAX (__XFRM_AE_MAX - 1)
+};
+
+struct xfrm_userpolicy_type {
+	__u8		type;
+	__u16		reserved1;
+	__u8		reserved2;
+};
+
 /* Netlink message attributes.  */
 enum xfrm_attr_type_t {
 	XFRMA_UNSPEC,
@@ -174,11 +269,62 @@ enum xfrm_attr_type_t {
 	XFRMA_ALG_COMP,		/* struct xfrm_algo */
 	XFRMA_ENCAP,		/* struct xfrm_algo + struct xfrm_encap_tmpl */
 	XFRMA_TMPL,		/* 1 or more struct xfrm_user_tmpl */
+	XFRMA_SA,
+	XFRMA_POLICY,
+	XFRMA_SEC_CTX,		/* struct xfrm_sec_ctx */
+	XFRMA_LTIME_VAL,
+	XFRMA_REPLAY_VAL,
+	XFRMA_REPLAY_THRESH,
+	XFRMA_ETIMER_THRESH,
+	XFRMA_SRCADDR,		/* xfrm_address_t */
+	XFRMA_COADDR,		/* xfrm_address_t */
+	XFRMA_LASTUSED,
+	XFRMA_POLICY_TYPE,	/* struct xfrm_userpolicy_type */
+	XFRMA_MIGRATE,
+	XFRMA_ALG_AEAD,		/* struct xfrm_algo_aead */
+	XFRMA_KMADDRESS,        /* struct xfrm_user_kmaddress */
 	__XFRMA_MAX
 
 #define XFRMA_MAX (__XFRMA_MAX - 1)
 };
 
+enum xfrm_sadattr_type_t {
+	XFRMA_SAD_UNSPEC,
+	XFRMA_SAD_CNT,
+	XFRMA_SAD_HINFO,
+	__XFRMA_SAD_MAX
+
+#define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1)
+};
+
+struct xfrmu_sadhinfo {
+	__u32 sadhcnt; /* current hash bkts */
+	__u32 sadhmcnt; /* max allowed hash bkts */
+};
+
+enum xfrm_spdattr_type_t {
+	XFRMA_SPD_UNSPEC,
+	XFRMA_SPD_INFO,
+	XFRMA_SPD_HINFO,
+	__XFRMA_SPD_MAX
+
+#define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
+};
+
+struct xfrmu_spdinfo {
+	__u32 incnt;
+	__u32 outcnt;
+	__u32 fwdcnt;
+	__u32 inscnt;
+	__u32 outscnt;
+	__u32 fwdscnt;
+};
+
+struct xfrmu_spdhinfo {
+	__u32 spdhcnt;
+	__u32 spdhmcnt;
+};
+
 struct xfrm_usersa_info {
 	struct xfrm_selector		sel;
 	struct xfrm_id			id;
@@ -189,20 +335,31 @@ struct xfrm_usersa_info {
 	__u32				seq;
 	__u32				reqid;
 	__u16				family;
-	__u8				mode; /* 0=transport,1=tunnel */
+	__u8				mode;		/* XFRM_MODE_xxx */
 	__u8				replay_window;
 	__u8				flags;
 #define XFRM_STATE_NOECN	1
 #define XFRM_STATE_DECAP_DSCP	2
+#define XFRM_STATE_NOPMTUDISC	4
+#define XFRM_STATE_WILDRECV	8
+#define XFRM_STATE_ICMP		16
+#define XFRM_STATE_AF_UNSPEC	32
 };
 
 struct xfrm_usersa_id {
 	xfrm_address_t			daddr;
-	__u32				spi;
+	__be32				spi;
 	__u16				family;
 	__u8				proto;
 };
 
+struct xfrm_aevent_id {
+	struct xfrm_usersa_id		sa_id;
+	xfrm_address_t			saddr;
+	__u32				flags;
+	__u32				reqid;
+};
+
 struct xfrm_userspi_info {
 	struct xfrm_usersa_info		info;
 	__u32				min;
@@ -221,6 +378,8 @@ struct xfrm_userpolicy_info {
 #define XFRM_POLICY_BLOCK	1
 	__u8				flags;
 #define XFRM_POLICY_LOCALOK	1	/* Allow user to override global policy */
+	/* Automatically expand selector to include matching ICMP payloads. */
+#define XFRM_POLICY_ICMP	2
 	__u8				share;
 };
 
@@ -255,7 +414,72 @@ struct xfrm_usersa_flush {
 	__u8				proto;
 };
 
+struct xfrm_user_report {
+	__u8				proto;
+	struct xfrm_selector		sel;
+};
+
+/* Used by MIGRATE to pass addresses IKE should use to perform
+ * SA negotiation with the peer */
+struct xfrm_user_kmaddress {
+	xfrm_address_t                  local;
+	xfrm_address_t                  remote;
+	__u32				reserved;
+	__u16				family;
+};
+
+struct xfrm_user_migrate {
+	xfrm_address_t			old_daddr;
+	xfrm_address_t			old_saddr;
+	xfrm_address_t			new_daddr;
+	xfrm_address_t			new_saddr;
+	__u8				proto;
+	__u8				mode;
+	__u16				reserved;
+	__u32				reqid;
+	__u16				old_family;
+	__u16				new_family;
+};
+
+struct xfrm_user_mapping {
+	struct xfrm_usersa_id		id;
+	__u32				reqid;
+	xfrm_address_t			old_saddr;
+	xfrm_address_t			new_saddr;
+	__be16				old_sport;
+	__be16				new_sport;
+};
+
+#ifndef __KERNEL__
+/* backwards compatibility for userspace */
 #define XFRMGRP_ACQUIRE		1
 #define XFRMGRP_EXPIRE		2
+#define XFRMGRP_SA		4
+#define XFRMGRP_POLICY		8
+#define XFRMGRP_REPORT		0x20
+#endif
+
+enum xfrm_nlgroups {
+	XFRMNLGRP_NONE,
+#define XFRMNLGRP_NONE		XFRMNLGRP_NONE
+	XFRMNLGRP_ACQUIRE,
+#define XFRMNLGRP_ACQUIRE	XFRMNLGRP_ACQUIRE
+	XFRMNLGRP_EXPIRE,
+#define XFRMNLGRP_EXPIRE	XFRMNLGRP_EXPIRE
+	XFRMNLGRP_SA,
+#define XFRMNLGRP_SA		XFRMNLGRP_SA
+	XFRMNLGRP_POLICY,
+#define XFRMNLGRP_POLICY	XFRMNLGRP_POLICY
+	XFRMNLGRP_AEVENTS,
+#define XFRMNLGRP_AEVENTS	XFRMNLGRP_AEVENTS
+	XFRMNLGRP_REPORT,
+#define XFRMNLGRP_REPORT	XFRMNLGRP_REPORT
+	XFRMNLGRP_MIGRATE,
+#define XFRMNLGRP_MIGRATE	XFRMNLGRP_MIGRATE
+	XFRMNLGRP_MAPPING,
+#define XFRMNLGRP_MAPPING	XFRMNLGRP_MAPPING
+	__XFRMNLGRP_MAX
+};
+#define XFRMNLGRP_MAX	(__XFRMNLGRP_MAX - 1)
 
 #endif /* _LINUX_XFRM_H */