5dbe1eb0cf
Now that the SELinux NetLabel "base SID" is always the netmsg initial SID we can do a big optimization - caching the SID and not just the MLS attributes. This not only saves a lot of per-packet memory allocations and copies but it has a nice side effect of removing a chunk of code. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: James Morris <jmorris@namei.org>
128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/*
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* SELinux interface to the NetLabel subsystem
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*
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* Author : Paul Moore <paul.moore@hp.com>
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*
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*/
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/*
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* (c) Copyright Hewlett-Packard Development Company, L.P., 2006
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef _SELINUX_NETLABEL_H_
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#define _SELINUX_NETLABEL_H_
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#include <linux/types.h>
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#include <linux/fs.h>
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#include <linux/net.h>
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#include <linux/skbuff.h>
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#include <net/sock.h>
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#include "avc.h"
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#include "objsec.h"
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#ifdef CONFIG_NETLABEL
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void selinux_netlbl_cache_invalidate(void);
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void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec,
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int family);
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void selinux_netlbl_sk_security_init(struct sk_security_struct *ssec,
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int family);
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void selinux_netlbl_sk_security_clone(struct sk_security_struct *ssec,
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struct sk_security_struct *newssec);
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int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
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u16 family,
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u32 *type,
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u32 *sid);
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void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock);
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int selinux_netlbl_socket_post_create(struct socket *sock);
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int selinux_netlbl_inode_permission(struct inode *inode, int mask);
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int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
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struct sk_buff *skb,
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u16 family,
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struct avc_audit_data *ad);
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int selinux_netlbl_socket_setsockopt(struct socket *sock,
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int level,
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int optname);
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#else
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static inline void selinux_netlbl_cache_invalidate(void)
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{
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return;
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}
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static inline void selinux_netlbl_sk_security_reset(
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struct sk_security_struct *ssec,
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int family)
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{
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return;
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}
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static inline void selinux_netlbl_sk_security_init(
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struct sk_security_struct *ssec,
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int family)
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{
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return;
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}
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static inline void selinux_netlbl_sk_security_clone(
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struct sk_security_struct *ssec,
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struct sk_security_struct *newssec)
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{
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return;
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}
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static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
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u16 family,
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u32 *type,
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u32 *sid)
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{
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*type = NETLBL_NLTYPE_NONE;
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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_netlbl_sock_graft(struct sock *sk,
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struct socket *sock)
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{
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return;
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}
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static inline int selinux_netlbl_socket_post_create(struct socket *sock)
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{
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return 0;
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}
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static inline int selinux_netlbl_inode_permission(struct inode *inode,
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int mask)
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{
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return 0;
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}
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static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
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struct sk_buff *skb,
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u16 family,
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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_netlbl_socket_setsockopt(struct socket *sock,
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int level,
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int optname)
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{
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return 0;
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}
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#endif /* CONFIG_NETLABEL */
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#endif
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