9d57a7f9e2
Setup the new Audit LSM hooks for SELinux. Remove the now redundant exported SELinux Audit interface. Audit: Export 'audit_krule' and 'audit_field' to the public since their internals are needed by the implementation of the new LSM hook 'audit_rule_known'. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com> Acked-by: James Morris <jmorris@namei.org>
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/*
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* SELinux services exported to the rest of the kernel.
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*
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* Author: James Morris <jmorris@redhat.com>
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*
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* Copyright (C) 2005 Red Hat, Inc., James Morris <jmorris@redhat.com>
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* Copyright (C) 2006 Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
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* Copyright (C) 2006 IBM Corporation, Timothy R. Chavez <tinytim@us.ibm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2,
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* as published by the Free Software Foundation.
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*/
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#ifndef _LINUX_SELINUX_H
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#define _LINUX_SELINUX_H
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struct selinux_audit_rule;
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struct audit_context;
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struct kern_ipc_perm;
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#ifdef CONFIG_SECURITY_SELINUX
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/**
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* selinux_string_to_sid - map a security context string to a security ID
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* @str: the security context string to be mapped
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* @sid: ID value returned via this.
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*
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* Returns 0 if successful, with the SID stored in sid. A value
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* of zero for sid indicates no SID could be determined (but no error
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* occurred).
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*/
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int selinux_string_to_sid(char *str, u32 *sid);
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/**
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* selinux_secmark_relabel_packet_permission - secmark permission check
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* @sid: SECMARK ID value to be applied to network packet
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*
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* Returns 0 if the current task is allowed to set the SECMARK label of
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* packets with the supplied security ID. Note that it is implicit that
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* the packet is always being relabeled from the default unlabeled value,
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* and that the access control decision is made in the AVC.
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*/
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int selinux_secmark_relabel_packet_permission(u32 sid);
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/**
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* selinux_secmark_refcount_inc - increments the secmark use counter
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*
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* SELinux keeps track of the current SECMARK targets in use so it knows
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* when to apply SECMARK label access checks to network packets. This
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* function incements this reference count to indicate that a new SECMARK
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* target has been configured.
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*/
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void selinux_secmark_refcount_inc(void);
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/**
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* selinux_secmark_refcount_dec - decrements the secmark use counter
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*
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* SELinux keeps track of the current SECMARK targets in use so it knows
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* when to apply SECMARK label access checks to network packets. This
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* function decements this reference count to indicate that one of the
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* existing SECMARK targets has been removed/flushed.
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*/
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void selinux_secmark_refcount_dec(void);
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#else
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static inline int selinux_string_to_sid(const char *str, u32 *sid)
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{
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*sid = 0;
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return 0;
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}
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static inline int selinux_secmark_relabel_packet_permission(u32 sid)
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{
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return 0;
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}
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static inline void selinux_secmark_refcount_inc(void)
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{
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return;
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}
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static inline void selinux_secmark_refcount_dec(void)
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{
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return;
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}
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#endif /* CONFIG_SECURITY_SELINUX */
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#endif /* _LINUX_SELINUX_H */
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