1 /*
2 * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
3 * Copyright (c) 2014-2018 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
31 #include "xlat/fan_classes.h"
32 #include "xlat/fan_init_flags.h"
33
34 #ifndef FAN_ALL_CLASS_BITS
35 # define FAN_ALL_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | FAN_CLASS_PRE_CONTENT)
36 #endif
37 #ifndef FAN_NOFD
38 # define FAN_NOFD -1
39 #endif
40
SYS_FUNC(fanotify_init)41 SYS_FUNC(fanotify_init)
42 {
43 unsigned int flags = tcp->u_arg[0];
44
45 printxval(fan_classes, flags & FAN_ALL_CLASS_BITS, "FAN_CLASS_???");
46 flags &= ~FAN_ALL_CLASS_BITS;
47 if (flags) {
48 tprints("|");
49 printflags(fan_init_flags, flags, "FAN_???");
50 }
51 tprints(", ");
52 tprint_open_modes((unsigned) tcp->u_arg[1]);
53
54 return RVAL_DECODED | RVAL_FD;
55 }
56
57 #include "xlat/fan_mark_flags.h"
58 #include "xlat/fan_event_flags.h"
59
SYS_FUNC(fanotify_mark)60 SYS_FUNC(fanotify_mark)
61 {
62 printfd(tcp, tcp->u_arg[0]);
63 tprints(", ");
64 printflags(fan_mark_flags, tcp->u_arg[1], "FAN_MARK_???");
65 tprints(", ");
66 /*
67 * the mask argument is defined as 64-bit,
68 * but kernel uses the lower 32 bits only.
69 */
70 unsigned long long mask = 0;
71 int argn = getllval(tcp, &mask, 2);
72 #ifdef HPPA
73 /* Parsic is weird. See arch/parisc/kernel/sys_parisc32.c. */
74 mask = (mask << 32) | (mask >> 32);
75 #endif
76 printflags64(fan_event_flags, mask, "FAN_???");
77 tprints(", ");
78 if ((int) tcp->u_arg[argn] == FAN_NOFD) {
79 print_xlat_d(FAN_NOFD);
80 tprints(", ");
81 } else {
82 print_dirfd(tcp, tcp->u_arg[argn]);
83 }
84 printpath(tcp, tcp->u_arg[argn + 1]);
85
86 return RVAL_DECODED;
87 }
88