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Include header files required for struct or typedef declarations in header files. This is for example helpful when working with an IDE, which needs to resolve those symbols. Signed-off-by: Christian Göttsche <cgzones@googlemail.com> Signed-off-by: Paul Moore <paul@paul-moore.com>
95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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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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#include <linux/lsm_audit.h>
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#include <net/flow.h>
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#include <net/xfrm.h>
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int selinux_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
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struct xfrm_user_sec_ctx *uctx,
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gfp_t gfp);
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int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
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struct xfrm_sec_ctx **new_ctxp);
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void selinux_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
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int selinux_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
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int selinux_xfrm_state_alloc(struct xfrm_state *x,
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struct xfrm_user_sec_ctx *uctx);
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int selinux_xfrm_state_alloc_acquire(struct xfrm_state *x,
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struct xfrm_sec_ctx *polsec, 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_sec_ctx *ctx, u32 fl_secid);
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int selinux_xfrm_state_pol_flow_match(struct xfrm_state *x,
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struct xfrm_policy *xp,
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const struct flowi_common *flic);
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#ifdef CONFIG_SECURITY_NETWORK_XFRM
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extern atomic_t selinux_xfrm_refcount;
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static inline int selinux_xfrm_enabled(void)
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{
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return (atomic_read(&selinux_xfrm_refcount) > 0);
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}
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int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb,
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struct common_audit_data *ad);
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int selinux_xfrm_postroute_last(u32 sk_sid, struct sk_buff *skb,
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struct common_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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int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid);
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static inline void selinux_xfrm_notify_policyload(void)
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{
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struct net *net;
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down_read(&net_rwsem);
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for_each_net(net)
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rt_genid_bump_all(net);
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up_read(&net_rwsem);
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}
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#else
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static inline int selinux_xfrm_enabled(void)
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{
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return 0;
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}
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static inline int selinux_xfrm_sock_rcv_skb(u32 sk_sid, struct sk_buff *skb,
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struct common_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 sk_sid, struct sk_buff *skb,
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struct common_audit_data *ad,
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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,
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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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static inline int selinux_xfrm_skb_sid(struct sk_buff *skb, u32 *sid)
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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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#endif
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#endif /* _SELINUX_XFRM_H_ */
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