Contributors: 8
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Al Viro |
223 |
69.47% |
3 |
27.27% |
| Andrew Morton |
78 |
24.30% |
2 |
18.18% |
| Martin Schwidefsky |
11 |
3.43% |
1 |
9.09% |
| Chris Metcalf |
3 |
0.93% |
1 |
9.09% |
| Andi Kleen |
3 |
0.93% |
1 |
9.09% |
| Paul McQuade |
1 |
0.31% |
1 |
9.09% |
| Greg Kroah-Hartman |
1 |
0.31% |
1 |
9.09% |
| Ingo Molnar |
1 |
0.31% |
1 |
9.09% |
| Total |
321 |
|
11 |
|
// SPDX-License-Identifier: GPL-2.0
/*
* 32 bit compatibility code for System V IPC
*
* Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1999 Arun Sharma <arun.sharma@intel.com>
* Copyright (C) 2000 VA Linux Co
* Copyright (C) 2000 Don Dugger <n0ano@valinux.com>
* Copyright (C) 2000 Hewlett-Packard Co.
* Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com>
* Copyright (C) 2000 Gerhard Tonn (ton@de.ibm.com)
* Copyright (C) 2000-2002 Andi Kleen, SuSE Labs (x86-64 port)
* Copyright (C) 2000 Silicon Graphics, Inc.
* Copyright (C) 2001 IBM
* Copyright (C) 2004 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Copyright (C) 2004 Arnd Bergmann (arnd@arndb.de)
*
* This code is collected from the versions for sparc64, mips64, s390x, ia64,
* ppc64 and x86_64, all of which are based on the original sparc64 version
* by Jakub Jelinek.
*
*/
#include <linux/compat.h>
#include <linux/errno.h>
#include <linux/highuid.h>
#include <linux/init.h>
#include <linux/msg.h>
#include <linux/shm.h>
#include <linux/syscalls.h>
#include <linux/ptrace.h>
#include <linux/mutex.h>
#include <linux/uaccess.h>
#include "util.h"
int get_compat_ipc64_perm(struct ipc64_perm *to,
struct compat_ipc64_perm __user *from)
{
struct compat_ipc64_perm v;
if (copy_from_user(&v, from, sizeof(v)))
return -EFAULT;
to->uid = v.uid;
to->gid = v.gid;
to->mode = v.mode;
return 0;
}
int get_compat_ipc_perm(struct ipc64_perm *to,
struct compat_ipc_perm __user *from)
{
struct compat_ipc_perm v;
if (copy_from_user(&v, from, sizeof(v)))
return -EFAULT;
to->uid = v.uid;
to->gid = v.gid;
to->mode = v.mode;
return 0;
}
void to_compat_ipc64_perm(struct compat_ipc64_perm *to, struct ipc64_perm *from)
{
to->key = from->key;
to->uid = from->uid;
to->gid = from->gid;
to->cuid = from->cuid;
to->cgid = from->cgid;
to->mode = from->mode;
to->seq = from->seq;
}
void to_compat_ipc_perm(struct compat_ipc_perm *to, struct ipc64_perm *from)
{
to->key = from->key;
SET_UID(to->uid, from->uid);
SET_GID(to->gid, from->gid);
SET_UID(to->cuid, from->cuid);
SET_GID(to->cgid, from->cgid);
to->mode = from->mode;
to->seq = from->seq;
}