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-rw-r--r--include/linux/selinux.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/selinux.h b/include/linux/selinux.h
index 9d684b1728b..84a6c740468 100644
--- a/include/linux/selinux.h
+++ b/include/linux/selinux.h
@@ -15,6 +15,7 @@
struct selinux_audit_rule;
struct audit_context;
+struct inode;
#ifdef CONFIG_SECURITY_SELINUX
@@ -76,6 +77,27 @@ void selinux_audit_set_callback(int (*callback)(void));
*/
void selinux_task_ctxid(struct task_struct *tsk, u32 *ctxid);
+/**
+ * selinux_ctxid_to_string - map a security context ID to a string
+ * @ctxid: security context ID to be converted.
+ * @ctx: address of context string to be returned
+ * @ctxlen: length of returned context string.
+ *
+ * Returns 0 if successful, -errno if not. On success, the context
+ * string will be allocated internally, and the caller must call
+ * kfree() on it after use.
+ */
+int selinux_ctxid_to_string(u32 ctxid, char **ctx, u32 *ctxlen);
+
+/**
+ * selinux_get_inode_sid - get the inode's security context ID
+ * @inode: inode structure to get the sid from.
+ * @sid: pointer to security context ID to be filled in.
+ *
+ * Returns nothing
+ */
+void selinux_get_inode_sid(const struct inode *inode, u32 *sid);
+
#else
static inline int selinux_audit_rule_init(u32 field, u32 op,
@@ -107,6 +129,18 @@ static inline void selinux_task_ctxid(struct task_struct *tsk, u32 *ctxid)
*ctxid = 0;
}
+static inline int selinux_ctxid_to_string(u32 ctxid, char **ctx, u32 *ctxlen)
+{
+ *ctx = NULL;
+ *ctxlen = 0;
+ return 0;
+}
+
+static inline void selinux_get_inode_sid(const struct inode *inode, u32 *sid)
+{
+ *sid = 0;
+}
+
#endif /* CONFIG_SECURITY_SELINUX */
#endif /* _LINUX_SELINUX_H */