e7c3497013
The below patch should be applied after the inode and ipc sid patches. This patch is a reworking of Tim's patch that has been updated to match the inode and ipc patches since its similar. [updated: > Stephen Smalley also wanted to change a variable from isec to tsec in the > user sid patch. ] Signed-off-by: Steve Grubb <sgrubb@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
#include <linux/types.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/selinux.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/ipc.h>
|
|
|
|
#include "security.h"
|
|
#include "objsec.h"
|
|
|
|
void selinux_task_ctxid(struct task_struct *tsk, u32 *ctxid)
|
|
{
|
|
struct task_security_struct *tsec = tsk->security;
|
|
if (selinux_enabled)
|
|
*ctxid = tsec->sid;
|
|
else
|
|
*ctxid = 0;
|
|
}
|
|
|
|
int selinux_ctxid_to_string(u32 ctxid, char **ctx, u32 *ctxlen)
|
|
{
|
|
if (selinux_enabled)
|
|
return security_sid_to_context(ctxid, ctx, ctxlen);
|
|
else {
|
|
*ctx = NULL;
|
|
*ctxlen = 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void selinux_get_inode_sid(const struct inode *inode, u32 *sid)
|
|
{
|
|
if (selinux_enabled) {
|
|
struct inode_security_struct *isec = inode->i_security;
|
|
*sid = isec->sid;
|
|
return;
|
|
}
|
|
*sid = 0;
|
|
}
|
|
|
|
void selinux_get_ipc_sid(const struct kern_ipc_perm *ipcp, u32 *sid)
|
|
{
|
|
if (selinux_enabled) {
|
|
struct ipc_security_struct *isec = ipcp->security;
|
|
*sid = isec->sid;
|
|
return;
|
|
}
|
|
*sid = 0;
|
|
}
|
|
|
|
void selinux_get_task_sid(struct task_struct *tsk, u32 *sid)
|
|
{
|
|
if (selinux_enabled) {
|
|
struct task_security_struct *tsec = tsk->security;
|
|
*sid = tsec->sid;
|
|
return;
|
|
}
|
|
*sid = 0;
|
|
}
|
|
|