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[SECMARK]: Add SELinux exports

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Add and export new functions to the in-kernel SELinux API in support of the
new secmark-based packet controls.

Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
James Morris 2006-06-09 00:28:25 -07:00 • committed by David S. Miller
parent 29a395eac4
commit c749b29fae
2 changed files with 54 additions and 0 deletions
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32
include/linux/selinux.h
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@ -118,6 +118,27 @@ void selinux_get_ipc_sid(const struct kern_ipc_perm *ipcp, u32 *sid);
*/
void selinux_get_task_sid(struct task_struct *tsk, u32 *sid);
/**
* selinux_string_to_sid - map a security context string to a security ID
* @str: the security context string to be mapped
* @sid: ID value returned via this.
*
* Returns 0 if successful, with the SID stored in sid. A value
* of zero for sid indicates no SID could be determined (but no error
* occurred).
*/
int selinux_string_to_sid(char *str, u32 *sid);
/**
* selinux_relabel_packet_permission - check permission to relabel a packet
* @sid: ID value to be applied to network packet (via SECMARK, most likely)
*
* Returns 0 if the current task is allowed to label packets with the
* supplied security ID. Note that it is implicit that the packet is always
* being relabeled from the default unlabled value, and that the access
* control decision is made in the AVC.
*/
int selinux_relabel_packet_permission(u32 sid);
#else
@ -172,6 +193,17 @@ static inline void selinux_get_task_sid(struct task_struct *tsk, u32 *sid)
*sid = 0;
}
static inline int selinux_string_to_sid(const char *str, u32 *sid)
{
*sid = 0;
return 0;
}
static inline int selinux_relabel_packet_permission(u32 sid)
{
return 0;
}
#endif /* CONFIG_SECURITY_SELINUX */
#endif /* _LINUX_SELINUX_H */