strace/uname.c
Eugene Syromyatnikov 06bb2018c7 uname: decode olduname and oldolduname syscalls
* linux/dummy.h (sys_oldolduname, sys_olduname): Remove.
* tests/.gitignore: Add oldolduname, oldolduname-v, olduname,
olduname-v.
* tests/pure_executables.list: Likewise.
* tests/gen_tests.in (oldolduname, oldolduname-v, olduname,
olduname-v): New tests.
* tests/oldolduname-v.c: New file.
* tests/oldolduname.c: Likewise.
* tests/olduname-v.c: Likewise.
* tests/olduname.c: Likewise.
* uname.c: Include <linux/uname.h> instead of <sys/uname.h>.
(DECODE_UTSNAME_COMMON): New macro.
(SYS_FUNC(oldolduname), SYS_FUNC(olduname)): New decoders.
(SYS_FUNC(uname)): Rewrite using DECODE_UTSNAME_COMMON.
2018-09-11 20:00:20 +02:00

86 lines
2.7 KiB
C

/*
* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
* Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com>
* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
* Copyright (c) 2012-2015 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2014-2017 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "defs.h"
#include "print_fields.h"
#include <linux/utsname.h>
#define DECODE_UTSNAME_COMMON(var_) \
do { \
if (entering(tcp)) \
return 0; \
\
if (umove_or_printaddr(tcp, tcp->u_arg[0], &uname)) \
return 0; \
\
PRINT_FIELD_CSTRING("{", var_, sysname); \
PRINT_FIELD_CSTRING(", ", var_, nodename); \
if (abbrev(tcp)) { \
tprints(", ...}"); \
return 0; \
} \
PRINT_FIELD_CSTRING(", ", var_, release); \
PRINT_FIELD_CSTRING(", ", var_, version); \
PRINT_FIELD_CSTRING(", ", var_, machine); \
} while (0)
SYS_FUNC(oldolduname)
{
struct oldold_utsname uname;
DECODE_UTSNAME_COMMON(uname);
tprints("}");
return 0;
}
SYS_FUNC(olduname)
{
struct old_utsname uname;
DECODE_UTSNAME_COMMON(uname);
tprints("}");
return 0;
}
SYS_FUNC(uname)
{
struct new_utsname uname;
DECODE_UTSNAME_COMMON(uname);
PRINT_FIELD_CSTRING(", ", uname, domainname);
tprints("}");
return 0;
}