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>
74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
/*
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* SELinux services exported to the rest of the kernel.
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*
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* Author: James Morris <jmorris@redhat.com>
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*
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* Copyright (C) 2005 Red Hat, Inc., James Morris <jmorris@redhat.com>
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* Copyright (C) 2006 Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
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* Copyright (C) 2006 IBM Corporation, Timothy R. Chavez <tinytim@us.ibm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2,
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* as published by the Free Software Foundation.
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/selinux.h>
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#include <linux/fs.h>
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#include <linux/ipc.h>
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#include "security.h"
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#include "objsec.h"
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void selinux_task_ctxid(struct task_struct *tsk, u32 *ctxid)
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{
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struct task_security_struct *tsec = tsk->security;
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if (selinux_enabled)
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*ctxid = tsec->sid;
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else
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*ctxid = 0;
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}
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int selinux_ctxid_to_string(u32 ctxid, char **ctx, u32 *ctxlen)
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{
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if (selinux_enabled)
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return security_sid_to_context(ctxid, ctx, ctxlen);
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else {
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*ctx = NULL;
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*ctxlen = 0;
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}
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return 0;
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}
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void selinux_get_inode_sid(const struct inode *inode, u32 *sid)
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{
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if (selinux_enabled) {
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struct inode_security_struct *isec = inode->i_security;
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*sid = isec->sid;
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return;
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}
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*sid = 0;
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}
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void selinux_get_ipc_sid(const struct kern_ipc_perm *ipcp, u32 *sid)
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{
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if (selinux_enabled) {
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struct ipc_security_struct *isec = ipcp->security;
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*sid = isec->sid;
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return;
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}
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*sid = 0;
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}
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void selinux_get_task_sid(struct task_struct *tsk, u32 *sid)
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{
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if (selinux_enabled) {
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struct task_security_struct *tsec = tsk->security;
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*sid = tsec->sid;
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return;
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}
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*sid = 0;
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}
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