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      1 /*
      2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk (at) cs.few.eur.nl>
      3  * Copyright (c) 1993 Branko Lankester <branko (at) hacktic.nl>
      4  * Copyright (c) 1993-1996 Rick Sladkey <jrs (at) world.std.com>
      5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert (at) cistron.nl>
      6  * Copyright (c) 2012-2015 Dmitry V. Levin <ldv (at) altlinux.org>
      7  * Copyright (c) 2014-2017 The strace developers.
      8  * All rights reserved.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include "defs.h"
     34 #include "print_fields.h"
     35 #include <sys/utsname.h>
     36 
     37 SYS_FUNC(uname)
     38 {
     39 	struct utsname uname;
     40 
     41 	if (entering(tcp))
     42 		return 0;
     43 
     44 	if (!umove_or_printaddr(tcp, tcp->u_arg[0], &uname)) {
     45 		PRINT_FIELD_CSTRING("{", uname, sysname);
     46 		PRINT_FIELD_CSTRING(", ", uname, nodename);
     47 		if (abbrev(tcp)) {
     48 			tprints(", ...}");
     49 			return 0;
     50 		}
     51 		PRINT_FIELD_CSTRING(", ", uname, release);
     52 		PRINT_FIELD_CSTRING(", ", uname, version);
     53 		PRINT_FIELD_CSTRING(", ", uname, machine);
     54 #ifdef HAVE_STRUCT_UTSNAME_DOMAINNAME
     55 		PRINT_FIELD_CSTRING(", ", uname, domainname);
     56 #endif
     57 		tprints("}");
     58 	}
     59 
     60 	return 0;
     61 }
     62