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1 /*
2  * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include "defs.h"
29 
30 #include "xlat/fan_classes.h"
31 #include "xlat/fan_init_flags.h"
32 
33 #ifndef FAN_ALL_CLASS_BITS
34 # define FAN_ALL_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | FAN_CLASS_PRE_CONTENT)
35 #endif
36 #ifndef FAN_NOFD
37 # define FAN_NOFD -1
38 #endif
39 
SYS_FUNC(fanotify_init)40 SYS_FUNC(fanotify_init)
41 {
42 	unsigned int flags = tcp->u_arg[0];
43 
44 	printxval(fan_classes, flags & FAN_ALL_CLASS_BITS, "FAN_CLASS_???");
45 	flags &= ~FAN_ALL_CLASS_BITS;
46 	if (flags) {
47 		tprints("|");
48 		printflags(fan_init_flags, flags, "FAN_???");
49 	}
50 	tprints(", ");
51 	tprint_open_modes((unsigned) tcp->u_arg[1]);
52 
53 	return RVAL_DECODED | RVAL_FD;
54 }
55 
56 #include "xlat/fan_mark_flags.h"
57 #include "xlat/fan_event_flags.h"
58 
SYS_FUNC(fanotify_mark)59 SYS_FUNC(fanotify_mark)
60 {
61 	printfd(tcp, tcp->u_arg[0]);
62 	tprints(", ");
63 	printflags(fan_mark_flags, tcp->u_arg[1], "FAN_MARK_???");
64 	tprints(", ");
65 	/*
66 	 * the mask argument is defined as 64-bit,
67 	 * but kernel uses the lower 32 bits only.
68 	 */
69 	unsigned long long mask = 0;
70 	int argn = getllval(tcp, &mask, 2);
71 #ifdef HPPA
72 	/* Parsic is weird.  See arch/parisc/kernel/sys_parisc32.c.  */
73 	mask = (mask << 32) | (mask >> 32);
74 #endif
75 	printflags64(fan_event_flags, mask, "FAN_???");
76 	tprints(", ");
77 	if ((int) tcp->u_arg[argn] == FAN_NOFD)
78 		tprints("FAN_NOFD, ");
79 	else
80 		print_dirfd(tcp, tcp->u_arg[argn]);
81 	printpath(tcp, tcp->u_arg[argn + 1]);
82 
83 	return RVAL_DECODED;
84 }
85