2 * SELinux services exported to the rest of the kernel.
4 * Author: James Morris <jmorris@redhat.com>
6 * Copyright (C) 2005 Red Hat, Inc., James Morris <jmorris@redhat.com>
7 * Copyright (C) 2006 Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
8 * Copyright (C) 2006 IBM Corporation, Timothy R. Chavez <tinytim@us.ibm.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2,
12 * as published by the Free Software Foundation.
14 #include <linux/types.h>
15 #include <linux/kernel.h>
16 #include <linux/module.h>
17 #include <linux/selinux.h>
19 #include <linux/ipc.h>
24 int selinux_sid_to_string(u32 sid, char **ctx, u32 *ctxlen)
27 return security_sid_to_context(sid, ctx, ctxlen);
36 void selinux_get_inode_sid(const struct inode *inode, u32 *sid)
38 if (selinux_enabled) {
39 struct inode_security_struct *isec = inode->i_security;
46 void selinux_get_ipc_sid(const struct kern_ipc_perm *ipcp, u32 *sid)
48 if (selinux_enabled) {
49 struct ipc_security_struct *isec = ipcp->security;
56 void selinux_get_task_sid(struct task_struct *tsk, u32 *sid)
58 if (selinux_enabled) {
59 struct task_security_struct *tsec = tsk->security;
66 int selinux_string_to_sid(char *str, u32 *sid)
69 return security_context_to_sid(str, strlen(str), sid);
75 EXPORT_SYMBOL_GPL(selinux_string_to_sid);
77 int selinux_relabel_packet_permission(u32 sid)
79 if (selinux_enabled) {
80 struct task_security_struct *tsec = current->security;
82 return avc_has_perm(tsec->sid, sid, SECCLASS_PACKET,
83 PACKET__RELABELTO, NULL);
87 EXPORT_SYMBOL_GPL(selinux_relabel_packet_permission);