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