From c749b29fae74ed59c507d84025b3298202b42609 Mon Sep 17 00:00:00 2001 From: James Morris Date: Fri, 9 Jun 2006 00:28:25 -0700 Subject: [SECMARK]: Add SELinux exports 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 Signed-off-by: Andrew Morton Signed-off-by: David S. Miller --- include/linux/selinux.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'include/linux/selinux.h') diff --git a/include/linux/selinux.h b/include/linux/selinux.h index 4047bcde4484..aad4e390d6a5 100644 --- a/include/linux/selinux.h +++ b/include/linux/selinux.h @@ -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 */ -- cgit v1.2.3-59-g8ed1b