1 /*
2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4  * Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com>
5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6  * Copyright (c) 2012-2015 Dmitry V. Levin <ldv@altlinux.org>
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include "defs.h"
33 
34 #include <sys/utsname.h>
35 
SYS_FUNC(uname)36 SYS_FUNC(uname)
37 {
38 	struct utsname uname;
39 
40 	if (entering(tcp))
41 		return 0;
42 
43 	if (!umove_or_printaddr(tcp, tcp->u_arg[0], &uname)) {
44 #define PRINT_UTS_MEMBER(prefix, member) \
45 		tprints(prefix #member "="); \
46 		print_quoted_string(uname.member, sizeof(uname.member), \
47 				    QUOTE_0_TERMINATED)
48 
49 		PRINT_UTS_MEMBER("{", sysname);
50 		PRINT_UTS_MEMBER(", ", nodename);
51 		if (abbrev(tcp)) {
52 			tprints(", ...}");
53 			return 0;
54 		}
55 		PRINT_UTS_MEMBER(", ", release);
56 		PRINT_UTS_MEMBER(", ", version);
57 		PRINT_UTS_MEMBER(", ", machine);
58 #ifdef HAVE_STRUCT_UTSNAME_DOMAINNAME
59 		PRINT_UTS_MEMBER(", ", domainname);
60 #endif
61 		tprints("}");
62 	}
63 
64 	return 0;
65 }
66