Revision e1a1c997afe907e6ec4799e4be0f38cffd8b418c authored by Eric W. Biederman on 15 November 2007, 00:59:08 UTC, committed by Linus Torvalds on 15 November 2007, 02:45:38 UTC
It appears we overlooked support for removing generic proc files when we added support for multiple proc super blocks. Handle that now. [akpm@linux-foundation.org: coding-style cleanups] Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Acked-by: Pavel Emelyanov <xemul@openvz.org> Cc: Alexey Dobriyan <adobriyan@sw.ru> Acked-by: Sukadev Bhattiprolu <sukadev@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 7105458
exports.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"
int selinux_sid_to_string(u32 sid, char **ctx, u32 *ctxlen)
{
if (selinux_enabled)
return security_sid_to_context(sid, 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;
}
int selinux_string_to_sid(char *str, u32 *sid)
{
if (selinux_enabled)
return security_context_to_sid(str, strlen(str), sid);
else {
*sid = 0;
return 0;
}
}
EXPORT_SYMBOL_GPL(selinux_string_to_sid);
int selinux_relabel_packet_permission(u32 sid)
{
if (selinux_enabled) {
struct task_security_struct *tsec = current->security;
return avc_has_perm(tsec->sid, sid, SECCLASS_PACKET,
PACKET__RELABELTO, NULL);
}
return 0;
}
EXPORT_SYMBOL_GPL(selinux_relabel_packet_permission);
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