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yaml --- r: 34408 b: refs/heads/master c: 7420ed2 h: refs/heads/master v: v3
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Venkat Yekkirala
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David S. Miller
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Sep 22, 2006
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| --- | ||
| refs/heads/master: 96cb8e3313c7a12e026c1ed510522ae6f6023875 | ||
| refs/heads/master: 7420ed23a4f77480b5b7b3245e5da30dd24b7575 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| /* | ||
| * SELinux interface to the NetLabel subsystem | ||
| * | ||
| * Author : Paul Moore <paul.moore@hp.com> | ||
| * | ||
| */ | ||
|
|
||
| /* | ||
| * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation; either version 2 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | ||
| * the GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program; if not, write to the Free Software | ||
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| * | ||
| */ | ||
|
|
||
| #ifndef _SELINUX_NETLABEL_H_ | ||
| #define _SELINUX_NETLABEL_H_ | ||
|
|
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| #ifdef CONFIG_NETLABEL | ||
| void selinux_netlbl_cache_invalidate(void); | ||
| int selinux_netlbl_socket_post_create(struct socket *sock, | ||
| int sock_family, | ||
| u32 sid); | ||
| void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock); | ||
| u32 selinux_netlbl_inet_conn_request(struct sk_buff *skb, u32 sock_sid); | ||
| int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec, | ||
| struct sk_buff *skb, | ||
| struct avc_audit_data *ad); | ||
| u32 selinux_netlbl_socket_getpeersec_stream(struct socket *sock); | ||
| u32 selinux_netlbl_socket_getpeersec_dgram(struct sk_buff *skb); | ||
|
|
||
| int __selinux_netlbl_inode_permission(struct inode *inode, int mask); | ||
| /** | ||
| * selinux_netlbl_inode_permission - Verify the socket is NetLabel labeled | ||
| * @inode: the file descriptor's inode | ||
| * @mask: the permission mask | ||
| * | ||
| * Description: | ||
| * Looks at a file's inode and if it is marked as a socket protected by | ||
| * NetLabel then verify that the socket has been labeled, if not try to label | ||
| * the socket now with the inode's SID. Returns zero on success, negative | ||
| * values on failure. | ||
| * | ||
| */ | ||
| static inline int selinux_netlbl_inode_permission(struct inode *inode, | ||
| int mask) | ||
| { | ||
| int rc = 0; | ||
| struct inode_security_struct *isec; | ||
| struct sk_security_struct *sksec; | ||
|
|
||
| if (!S_ISSOCK(inode->i_mode)) | ||
| return 0; | ||
|
|
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| isec = inode->i_security; | ||
| sksec = SOCKET_I(inode)->sk->sk_security; | ||
| down(&isec->sem); | ||
| if (unlikely(sksec->nlbl_state == NLBL_REQUIRE && | ||
| (mask & (MAY_WRITE | MAY_APPEND)))) | ||
| rc = __selinux_netlbl_inode_permission(inode, mask); | ||
| up(&isec->sem); | ||
|
|
||
| return rc; | ||
| } | ||
| #else | ||
| static inline void selinux_netlbl_cache_invalidate(void) | ||
| { | ||
| return; | ||
| } | ||
|
|
||
| static inline int selinux_netlbl_socket_post_create(struct socket *sock, | ||
| int sock_family, | ||
| u32 sid) | ||
| { | ||
| return 0; | ||
| } | ||
|
|
||
| static inline void selinux_netlbl_sock_graft(struct sock *sk, | ||
| struct socket *sock) | ||
| { | ||
| return; | ||
| } | ||
|
|
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| static inline u32 selinux_netlbl_inet_conn_request(struct sk_buff *skb, | ||
| u32 sock_sid) | ||
| { | ||
| return SECSID_NULL; | ||
| } | ||
|
|
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| static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec, | ||
| struct sk_buff *skb, | ||
| struct avc_audit_data *ad) | ||
| { | ||
| return 0; | ||
| } | ||
|
|
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| static inline u32 selinux_netlbl_socket_getpeersec_stream(struct socket *sock) | ||
| { | ||
| return SECSID_NULL; | ||
| } | ||
|
|
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| static inline u32 selinux_netlbl_socket_getpeersec_dgram(struct sk_buff *skb) | ||
| { | ||
| return SECSID_NULL; | ||
| } | ||
|
|
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| static inline int selinux_netlbl_inode_permission(struct inode *inode, | ||
| int mask) | ||
| { | ||
| return 0; | ||
| } | ||
| #endif /* CONFIG_NETLABEL */ | ||
|
|
||
| #endif |
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