Dmitry V. Levin
b93d52fe3d
strace is now provided under the terms of the GNU Lesser General Public License version 2.1 or later, see COPYING for more details. strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
41 lines
877 B
C
41 lines
877 B
C
/*
|
|
* Support for decoding of NS_* ioctl commands.
|
|
*
|
|
* Copyright (c) 2017 Nikolay Marchuk <marchuk.nikolay.a@gmail.com>
|
|
* Copyright (c) 2017-2018 The strace developers.
|
|
* All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1-or-later
|
|
*/
|
|
|
|
#include "defs.h"
|
|
#include "nsfs.h"
|
|
|
|
int
|
|
nsfs_ioctl(struct tcb *tcp, unsigned int code, kernel_ulong_t arg)
|
|
{
|
|
unsigned int uid;
|
|
switch (code) {
|
|
case NS_GET_USERNS:
|
|
case NS_GET_PARENT:
|
|
return RVAL_IOCTL_DECODED | RVAL_FD;
|
|
case NS_GET_NSTYPE:
|
|
if (entering(tcp))
|
|
return 0;
|
|
if (!syserror(tcp))
|
|
tcp->auxstr = xlookup(setns_types, tcp->u_rval);
|
|
return RVAL_IOCTL_DECODED | RVAL_STR;
|
|
case NS_GET_OWNER_UID:
|
|
if (entering(tcp))
|
|
return 0;
|
|
tprints(", ");
|
|
if (!umove_or_printaddr(tcp, arg, &uid)) {
|
|
printuid("[", uid);
|
|
tprints("]");
|
|
}
|
|
return RVAL_IOCTL_DECODED;
|
|
default:
|
|
return RVAL_DECODED;
|
|
}
|
|
}
|