1 /*
2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3 * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4 * Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com>
5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6 * Copyright (c) 2006 Ulrich Drepper <drepper@redhat.com>
7 * Copyright (c) 2006 Bernhard Kaindl <bk@suse.de>
8 * Copyright (c) 2006-2015 Dmitry V. Levin <ldv@altlinux.org>
9 * Copyright (c) 2014-2017 The strace developers.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #include "defs.h"
36
37 #include <fcntl.h>
38 #include <sys/stat.h>
39
40 static void
decode_mknod(struct tcb * tcp,int offset)41 decode_mknod(struct tcb *tcp, int offset)
42 {
43 unsigned short mode = tcp->u_arg[offset + 1];
44 unsigned int dev;
45
46 printpath(tcp, tcp->u_arg[offset]);
47 tprints(", ");
48 print_symbolic_mode_t(mode);
49 switch (mode & S_IFMT) {
50 case S_IFCHR:
51 case S_IFBLK:
52 dev = tcp->u_arg[offset + 2];
53 tprints(", ");
54 print_dev_t(dev);
55 break;
56 }
57 }
58
SYS_FUNC(mknod)59 SYS_FUNC(mknod)
60 {
61 decode_mknod(tcp, 0);
62
63 return RVAL_DECODED;
64 }
65
SYS_FUNC(mknodat)66 SYS_FUNC(mknodat)
67 {
68 print_dirfd(tcp, tcp->u_arg[0]);
69 decode_mknod(tcp, 1);
70
71 return RVAL_DECODED;
72 }
73