1 /*
2 * Copyright (c) 2005-2015 Dmitry V. Levin <ldv@altlinux.org>
3 * Copyright (c) 2015-2017 The strace developers.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "defs.h"
30 #include "stat.h"
31
32 static void
decode_struct_stat(struct tcb * const tcp,const kernel_ulong_t addr)33 decode_struct_stat(struct tcb *const tcp, const kernel_ulong_t addr)
34 {
35 struct strace_stat st;
36
37 if (fetch_struct_stat(tcp, addr, &st))
38 print_struct_stat(tcp, &st);
39 }
40
SYS_FUNC(stat)41 SYS_FUNC(stat)
42 {
43 if (entering(tcp)) {
44 printpath(tcp, tcp->u_arg[0]);
45 tprints(", ");
46 } else {
47 decode_struct_stat(tcp, tcp->u_arg[1]);
48 }
49 return 0;
50 }
51
SYS_FUNC(fstat)52 SYS_FUNC(fstat)
53 {
54 if (entering(tcp)) {
55 printfd(tcp, tcp->u_arg[0]);
56 tprints(", ");
57 } else {
58 decode_struct_stat(tcp, tcp->u_arg[1]);
59 }
60 return 0;
61 }
62
SYS_FUNC(newfstatat)63 SYS_FUNC(newfstatat)
64 {
65 if (entering(tcp)) {
66 print_dirfd(tcp, tcp->u_arg[0]);
67 printpath(tcp, tcp->u_arg[1]);
68 tprints(", ");
69 } else {
70 decode_struct_stat(tcp, tcp->u_arg[2]);
71 tprints(", ");
72 printflags(at_flags, tcp->u_arg[3], "AT_???");
73 }
74 return 0;
75 }
76