struct xfrm_algo *aalg;
struct xfrm_algo *ealg;
struct xfrm_algo *calg;
+ struct xfrm_algo_aead *aead;
/* Data for encapsulator */
struct xfrm_encap_tmpl *encap;
/* Reference to data common to all the instances of this
* transformer. */
- struct xfrm_type *type;
+ const struct xfrm_type *type;
struct xfrm_mode *inner_mode;
+ struct xfrm_mode *inner_mode_iaf;
struct xfrm_mode *outer_mode;
/* Security context */
struct xfrm_state_afinfo {
unsigned int family;
unsigned int proto;
- unsigned int eth_proto;
+ __be16 eth_proto;
struct module *owner;
- struct xfrm_type *type_map[IPPROTO_MAX];
+ const struct xfrm_type *type_map[IPPROTO_MAX];
struct xfrm_mode *mode_map[XFRM_MODE_MAX];
int (*init_flags)(struct xfrm_state *x);
void (*init_tempsel)(struct xfrm_state *x, struct flowi *fl,
u32 (*get_mtu)(struct xfrm_state *, int size);
};
-extern int xfrm_register_type(struct xfrm_type *type, unsigned short family);
-extern int xfrm_unregister_type(struct xfrm_type *type, unsigned short family);
+extern int xfrm_register_type(const struct xfrm_type *type, unsigned short family);
+extern int xfrm_unregister_type(const struct xfrm_type *type, unsigned short family);
struct xfrm_mode {
/*
extern int xfrm_register_mode(struct xfrm_mode *mode, int family);
extern int xfrm_unregister_mode(struct xfrm_mode *mode, int family);
+static inline int xfrm_af2proto(unsigned int family)
+{
+ switch(family) {
+ case AF_INET:
+ return IPPROTO_IPIP;
+ case AF_INET6:
+ return IPPROTO_IPV6;
+ default:
+ return 0;
+ }
+}
+
+static inline struct xfrm_mode *xfrm_ip2inner_mode(struct xfrm_state *x, int ipproto)
+{
+ if ((ipproto == IPPROTO_IPIP && x->props.family == AF_INET) ||
+ (ipproto == IPPROTO_IPV6 && x->props.family == AF_INET6))
+ return x->inner_mode;
+ else
+ return x->inner_mode_iaf;
+}
+
struct xfrm_tmpl
{
/* id in template is interpreted as:
} header;
/* Sequence number for replay protection. */
- u64 seq;
+ union {
+ u64 output;
+ __be32 input;
+ } seq;
};
#define XFRM_SKB_CB(__skb) ((struct xfrm_skb_cb *)&((__skb)->cb[0]))
__be16 id;
__be16 frag_off;
+ /* IP header length (excluding options or extension headers). */
+ u8 ihl;
+
/* TOS for IPv4, class for IPv6. */
u8 tos;
/* Protocol for IPv4, NH for IPv6. */
u8 protocol;
+ /* Option length for IPv4, zero for IPv6. */
+ u8 optlen;
+
/* Used by IPv6 only, zero for IPv4. */
u8 flow_lbl[3];
};
};
#ifdef CONFIG_AUDITSYSCALL
-static inline struct audit_buffer *xfrm_audit_start(u32 auid, u32 secid)
+static inline struct audit_buffer *xfrm_audit_start(const char *op)
{
struct audit_buffer *audit_buf = NULL;
- char *secctx;
- u32 secctx_len;
+ if (audit_enabled == 0)
+ return NULL;
audit_buf = audit_log_start(current->audit_context, GFP_ATOMIC,
- AUDIT_MAC_IPSEC_EVENT);
+ AUDIT_MAC_IPSEC_EVENT);
if (audit_buf == NULL)
return NULL;
+ audit_log_format(audit_buf, "op=%s", op);
+ return audit_buf;
+}
- audit_log_format(audit_buf, "auid=%u", auid);
+static inline void xfrm_audit_helper_usrinfo(u32 auid, u32 secid,
+ struct audit_buffer *audit_buf)
+{
+ char *secctx;
+ u32 secctx_len;
+ audit_log_format(audit_buf, " auid=%u", auid);
if (secid != 0 &&
security_secid_to_secctx(secid, &secctx, &secctx_len) == 0) {
audit_log_format(audit_buf, " subj=%s", secctx);
security_release_secctx(secctx, secctx_len);
} else
audit_log_task_context(audit_buf);
- return audit_buf;
}
extern void xfrm_audit_policy_add(struct xfrm_policy *xp, int result,
u32 auid, u32 secid);
extern void xfrm_audit_state_delete(struct xfrm_state *x, int result,
u32 auid, u32 secid);
+extern void xfrm_audit_state_replay_overflow(struct xfrm_state *x,
+ struct sk_buff *skb);
+extern void xfrm_audit_state_notfound_simple(struct sk_buff *skb, u16 family);
+extern void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family,
+ __be32 net_spi, __be32 net_seq);
+extern void xfrm_audit_state_icvfail(struct xfrm_state *x,
+ struct sk_buff *skb, u8 proto);
#else
#define xfrm_audit_policy_add(x, r, a, s) do { ; } while (0)
#define xfrm_audit_policy_delete(x, r, a, s) do { ; } while (0)
#define xfrm_audit_state_add(x, r, a, s) do { ; } while (0)
#define xfrm_audit_state_delete(x, r, a, s) do { ; } while (0)
+#define xfrm_audit_state_replay_overflow(x, s) do { ; } while (0)
+#define xfrm_audit_state_notfound_simple(s, f) do { ; } while (0)
+#define xfrm_audit_state_notfound(s, f, sp, sq) do { ; } while (0)
+#define xfrm_audit_state_icvfail(x, s, p) do { ; } while (0)
#endif /* CONFIG_AUDITSYSCALL */
static inline void xfrm_pol_hold(struct xfrm_policy *policy)
atomic_inc(&policy->refcnt);
}
-extern void __xfrm_policy_destroy(struct xfrm_policy *policy);
+extern void xfrm_policy_destroy(struct xfrm_policy *policy);
static inline void xfrm_pol_put(struct xfrm_policy *policy)
{
if (atomic_dec_and_test(&policy->refcnt))
- __xfrm_policy_destroy(policy);
+ xfrm_policy_destroy(policy);
}
#ifdef CONFIG_XFRM_SUB_POLICY
/*
* xfrm algorithm information
*/
+struct xfrm_algo_aead_info {
+ u16 icv_truncbits;
+};
+
struct xfrm_algo_auth_info {
u16 icv_truncbits;
u16 icv_fullbits;
char *compat;
u8 available:1;
union {
+ struct xfrm_algo_aead_info aead;
struct xfrm_algo_auth_info auth;
struct xfrm_algo_encr_info encr;
struct xfrm_algo_comp_info comp;
extern int xfrm_state_flush(u8 proto, struct xfrm_audit *audit_info);
extern void xfrm_sad_getinfo(struct xfrmk_sadinfo *si);
extern void xfrm_spd_getinfo(struct xfrmk_spdinfo *si);
-extern int xfrm_replay_check(struct xfrm_state *x, __be32 seq);
+extern int xfrm_replay_check(struct xfrm_state *x,
+ struct sk_buff *skb, __be32 seq);
extern void xfrm_replay_advance(struct xfrm_state *x, __be32 seq);
extern void xfrm_replay_notify(struct xfrm_state *x, int event);
extern int xfrm_state_mtu(struct xfrm_state *x, int mtu);
extern int xfrm_input_resume(struct sk_buff *skb, int nexthdr);
extern int xfrm_output_resume(struct sk_buff *skb, int err);
extern int xfrm_output(struct sk_buff *skb);
+extern int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm4_extract_header(struct sk_buff *skb);
extern int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
struct xfrm_state * xfrm_find_acq(u8 mode, u32 reqid, u8 proto,
xfrm_address_t *daddr, xfrm_address_t *saddr,
int create, unsigned short family);
-extern int xfrm_policy_flush(u8 type, struct xfrm_audit *audit_info);
extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
extern int xfrm_bundle_ok(struct xfrm_policy *pol, struct xfrm_dst *xdst,
struct flowi *fl, int family, int strict);
extern struct xfrm_algo_desc *xfrm_aalg_get_byname(char *name, int probe);
extern struct xfrm_algo_desc *xfrm_ealg_get_byname(char *name, int probe);
extern struct xfrm_algo_desc *xfrm_calg_get_byname(char *name, int probe);
+extern struct xfrm_algo_desc *xfrm_aead_get_byname(char *name, int icv_len,
+ int probe);
struct hash_desc;
struct scatterlist;
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