1 files changed, 98 insertions, 0 deletions
diff --git a/include/linux/selinux.h b/include/linux/selinux.h
new file mode 100644
index 00000000000..82e0f26a129
--- /dev/null
+++ b/include/linux/selinux.h
@@ -0,0 +1,98 @@
+/*
+ * SELinux services exported to the rest of the kernel.
+ *
+ * Author: James Morris <jmorris@redhat.com>
+ *
+ * Copyright (C) 2005 Red Hat, Inc., James Morris <jmorris@redhat.com>
+ * Copyright (C) 2006 Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
+ * Copyright (C) 2006 IBM Corporation, Timothy R. Chavez <tinytim@us.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ */
+#ifndef _LINUX_SELINUX_H
+#define _LINUX_SELINUX_H
+
+struct selinux_audit_rule;
+struct audit_context;
+struct kern_ipc_perm;
+
+#ifdef CONFIG_SECURITY_SELINUX
+
+/**
+ *     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_secmark_relabel_packet_permission - secmark permission check
+ *     @sid: SECMARK ID value to be applied to network packet
+ *
+ *     Returns 0 if the current task is allowed to set the SECMARK label of
+ *     packets with the supplied security ID.  Note that it is implicit that
+ *     the packet is always being relabeled from the default unlabeled value,
+ *     and that the access control decision is made in the AVC.
+ */
+int selinux_secmark_relabel_packet_permission(u32 sid);
+
+/**
+ *     selinux_secmark_refcount_inc - increments the secmark use counter
+ *
+ *     SELinux keeps track of the current SECMARK targets in use so it knows
+ *     when to apply SECMARK label access checks to network packets.  This
+ *     function incements this reference count to indicate that a new SECMARK
+ *     target has been configured.
+ */
+void selinux_secmark_refcount_inc(void);
+
+/**
+ *     selinux_secmark_refcount_dec - decrements the secmark use counter
+ *
+ *     SELinux keeps track of the current SECMARK targets in use so it knows
+ *     when to apply SECMARK label access checks to network packets.  This
+ *     function decements this reference count to indicate that one of the
+ *     existing SECMARK targets has been removed/flushed.
+ */
+void selinux_secmark_refcount_dec(void);
+
+/**
+ * selinux_is_enabled - is SELinux enabled?
+ */
+bool selinux_is_enabled(void);
+#else
+
+static inline int selinux_string_to_sid(const char *str, u32 *sid)
+{
+       *sid = 0;
+       return 0;
+}
+
+static inline int selinux_secmark_relabel_packet_permission(u32 sid)
+{
+	return 0;
+}
+
+static inline void selinux_secmark_refcount_inc(void)
+{
+	return;
+}
+
+static inline void selinux_secmark_refcount_dec(void)
+{
+	return;
+}
+
+static inline bool selinux_is_enabled(void)
+{
+	return false;
+}
+#endif	/* CONFIG_SECURITY_SELINUX */
+
+#endif /* _LINUX_SELINUX_H */