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342a0cff0a
This patch is an incremental fix to the flow_cache_genid patch for selinux that breaks the build of 2.6.20-rc6 when xfrm is not configured. Signed-off-by: Venkat Yekkirala <vyekkirala@TrustedCS.com> Signed-off-by: David S. Miller <davem@davemloft.net>
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
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* SELinux support for the XFRM LSM hooks
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*
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* Author : Trent Jaeger, <jaegert@us.ibm.com>
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* Updated : Venkat Yekkirala, <vyekkirala@TrustedCS.com>
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*/
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#ifndef _SELINUX_XFRM_H_
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#define _SELINUX_XFRM_H_
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int selinux_xfrm_policy_alloc(struct xfrm_policy *xp,
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struct xfrm_user_sec_ctx *sec_ctx);
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int selinux_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new);
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void selinux_xfrm_policy_free(struct xfrm_policy *xp);
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int selinux_xfrm_policy_delete(struct xfrm_policy *xp);
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int selinux_xfrm_state_alloc(struct xfrm_state *x,
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struct xfrm_user_sec_ctx *sec_ctx, u32 secid);
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void selinux_xfrm_state_free(struct xfrm_state *x);
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int selinux_xfrm_state_delete(struct xfrm_state *x);
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int selinux_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir);
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int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
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struct xfrm_policy *xp, struct flowi *fl);
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/*
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* Extract the security blob from the sock (it's actually on the socket)
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*/
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static inline struct inode_security_struct *get_sock_isec(struct sock *sk)
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{
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if (!sk->sk_socket)
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return NULL;
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return SOCK_INODE(sk->sk_socket)->i_security;
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}
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#ifdef CONFIG_SECURITY_NETWORK_XFRM
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int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb,
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struct avc_audit_data *ad);
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int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
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struct avc_audit_data *ad, u8 proto);
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int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
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static inline void selinux_xfrm_notify_policyload(void)
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{
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atomic_inc(&flow_cache_genid);
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}
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#else
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static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
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struct avc_audit_data *ad)
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{
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return 0;
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}
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static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
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struct avc_audit_data *ad, u8 proto)
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{
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return 0;
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}
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static inline int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall)
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{
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*sid = SECSID_NULL;
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return 0;
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}
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static inline void selinux_xfrm_notify_policyload(void)
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{
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}
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#endif
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static inline void selinux_skb_xfrm_sid(struct sk_buff *skb, u32 *sid)
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{
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int err = selinux_xfrm_decode_session(skb, sid, 0);
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BUG_ON(err);
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}
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#endif /* _SELINUX_XFRM_H_ */
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