strace/oldstat.c

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/*
* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
* Copyright (c) 2005-2015 Dmitry V. Levin <ldv@altlinux.org>
* 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 "asm_stat.h"
#include "stat.h"
#ifdef HAVE_STRUCT___OLD_KERNEL_STAT
static void
print_old_kernel_stat(struct tcb *tcp, const unsigned long addr)
{
struct __old_kernel_stat buf;
if (umove_or_printaddr(tcp, addr, &buf))
return;
struct strace_stat st = {
.dev = zero_extend_signed_to_ull(buf.st_dev),
.ino = zero_extend_signed_to_ull(buf.st_ino),
.rdev = zero_extend_signed_to_ull(buf.st_rdev),
.size = zero_extend_signed_to_ull(buf.st_size),
.mode = zero_extend_signed_to_ull(buf.st_mode),
.nlink = zero_extend_signed_to_ull(buf.st_nlink),
.uid = zero_extend_signed_to_ull(buf.st_uid),
.gid = zero_extend_signed_to_ull(buf.st_gid),
.atime = sign_extend_unsigned_to_ll(buf.st_atime),
.ctime = sign_extend_unsigned_to_ll(buf.st_ctime),
.mtime = sign_extend_unsigned_to_ll(buf.st_mtime)
};
print_struct_stat(tcp, &st);
}
SYS_FUNC(oldstat)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
print_old_kernel_stat(tcp, tcp->u_arg[1]);
}
return 0;
}
SYS_FUNC(oldfstat)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
print_old_kernel_stat(tcp, tcp->u_arg[1]);
}
return 0;
}
#endif /* HAVE_STRUCT___OLD_KERNEL_STAT */