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, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6 * Copyright (c) 2005-2015 Dmitry V. Levin <ldv@altlinux.org>
7 * Copyright (c) 2015-2017 The strace developers.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include "defs.h"
34 #include "asm_stat.h"
35 #include "stat.h"
36
37 #ifdef HAVE_STRUCT___OLD_KERNEL_STAT
38
39 static void
print_old_kernel_stat(struct tcb * const tcp,const kernel_ulong_t addr)40 print_old_kernel_stat(struct tcb *const tcp, const kernel_ulong_t addr)
41 {
42 struct __old_kernel_stat buf;
43 if (umove_or_printaddr(tcp, addr, &buf))
44 return;
45
46 struct strace_stat st = {
47 .dev = zero_extend_signed_to_ull(buf.st_dev),
48 .ino = zero_extend_signed_to_ull(buf.st_ino),
49 .rdev = zero_extend_signed_to_ull(buf.st_rdev),
50 .size = zero_extend_signed_to_ull(buf.st_size),
51 .mode = zero_extend_signed_to_ull(buf.st_mode),
52 .nlink = zero_extend_signed_to_ull(buf.st_nlink),
53 .uid = zero_extend_signed_to_ull(buf.st_uid),
54 .gid = zero_extend_signed_to_ull(buf.st_gid),
55 .atime = sign_extend_unsigned_to_ll(buf.st_atime),
56 .ctime = sign_extend_unsigned_to_ll(buf.st_ctime),
57 .mtime = sign_extend_unsigned_to_ll(buf.st_mtime)
58 };
59
60 print_struct_stat(tcp, &st);
61 }
62
SYS_FUNC(oldstat)63 SYS_FUNC(oldstat)
64 {
65 if (entering(tcp)) {
66 printpath(tcp, tcp->u_arg[0]);
67 tprints(", ");
68 } else {
69 print_old_kernel_stat(tcp, tcp->u_arg[1]);
70 }
71 return 0;
72 }
73
SYS_FUNC(oldfstat)74 SYS_FUNC(oldfstat)
75 {
76 if (entering(tcp)) {
77 printfd(tcp, tcp->u_arg[0]);
78 tprints(", ");
79 } else {
80 print_old_kernel_stat(tcp, tcp->u_arg[1]);
81 }
82 return 0;
83 }
84
85 #endif /* HAVE_STRUCT___OLD_KERNEL_STAT */
86