Branch data Line data Source code
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
41 : 32 : decode_mknod(struct tcb *tcp, int offset)
42 : : {
43 : 32 : unsigned short mode = tcp->u_arg[offset + 1];
44 : : unsigned int dev;
45 : :
46 : 32 : printpath(tcp, tcp->u_arg[offset]);
47 : 32 : tprints(", ");
48 : 32 : print_symbolic_mode_t(mode);
49 [ + + ]: 32 : switch (mode & S_IFMT) {
50 : : case S_IFCHR:
51 : : case S_IFBLK:
52 : 8 : dev = tcp->u_arg[offset + 2];
53 : 8 : tprints(", ");
54 : 8 : print_dev_t(dev);
55 : 8 : break;
56 : : }
57 : 32 : }
58 : :
59 : 16 : SYS_FUNC(mknod)
60 : : {
61 : 16 : decode_mknod(tcp, 0);
62 : :
63 : 16 : return RVAL_DECODED;
64 : : }
65 : :
66 : 16 : SYS_FUNC(mknodat)
67 : : {
68 : 16 : print_dirfd(tcp, tcp->u_arg[0]);
69 : 16 : decode_mknod(tcp, 1);
70 : :
71 : 16 : return RVAL_DECODED;
72 : : }
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