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