1 /*
2 * Copyright (c) 2012-2015 Dmitry V. Levin <ldv@altlinux.org>
3 * Copyright (c) 2014-2017 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
31 enum {
32 SYSLOG_ACTION_CLOSE = 0,
33 SYSLOG_ACTION_OPEN,
34 SYSLOG_ACTION_READ,
35 SYSLOG_ACTION_READ_ALL,
36 SYSLOG_ACTION_READ_CLEAR,
37 SYSLOG_ACTION_CLEAR,
38 SYSLOG_ACTION_CONSOLE_OFF,
39 SYSLOG_ACTION_CONSOLE_ON,
40 SYSLOG_ACTION_CONSOLE_LEVEL,
41 SYSLOG_ACTION_SIZE_UNREAD,
42 SYSLOG_ACTION_SIZE_BUFFER
43 };
44
45 #include "xlat/syslog_action_type.h"
46
SYS_FUNC(syslog)47 SYS_FUNC(syslog)
48 {
49 int type = tcp->u_arg[0];
50
51 if (entering(tcp)) {
52 /* type */
53 printxval(syslog_action_type, type, "SYSLOG_ACTION_???");
54 tprints(", ");
55 }
56
57 switch (type) {
58 case SYSLOG_ACTION_READ:
59 case SYSLOG_ACTION_READ_ALL:
60 case SYSLOG_ACTION_READ_CLEAR:
61 if (entering(tcp))
62 return 0;
63 break;
64 default:
65 printaddr(tcp->u_arg[1]);
66 tprintf(", %" PRI_klu, tcp->u_arg[2]);
67 return RVAL_DECODED;
68 }
69
70 /* bufp */
71 if (syserror(tcp))
72 printaddr(tcp->u_arg[1]);
73 else
74 printstrn(tcp, tcp->u_arg[1], tcp->u_rval);
75 /* len */
76 tprintf(", %d", (int) tcp->u_arg[2]);
77
78 return 0;
79 }
80