Dmitry V. Levin
53ec9ab555
* defs.h (print_struct_statfs64): Change size argument type from unsigned long to kernel_ureg_t. * print_statfs.c (print_struct_statfs64): Likewise. * fetch_struct_statfs.c (fetch_struct_statfs64): Likewise. * fstatfs64.c (SYS_FUNC(fstatfs64)): Pass size argument directly to print_struct_statfs64. * statfs64.c (SYS_FUNC(statfs64)): Likewise.
123 lines
4.4 KiB
C
123 lines
4.4 KiB
C
/*
|
|
* Copyright (c) 2014-2016 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 DEF_MPERS_TYPE(struct_statfs)
|
|
#include DEF_MPERS_TYPE(struct_statfs64)
|
|
|
|
#include <linux/types.h>
|
|
#include <asm/statfs.h>
|
|
typedef struct statfs struct_statfs;
|
|
typedef struct statfs64 struct_statfs64;
|
|
|
|
#include MPERS_DEFS
|
|
|
|
#include "statfs.h"
|
|
|
|
MPERS_PRINTER_DECL(bool, fetch_struct_statfs,
|
|
struct tcb *const tcp, const kernel_ureg_t addr,
|
|
struct strace_statfs *const p)
|
|
{
|
|
struct_statfs b;
|
|
|
|
if (umove_or_printaddr(tcp, addr, &b))
|
|
return false;
|
|
|
|
p->f_type = zero_extend_signed_to_ull(b.f_type);
|
|
p->f_bsize = zero_extend_signed_to_ull(b.f_bsize);
|
|
p->f_blocks = zero_extend_signed_to_ull(b.f_blocks);
|
|
p->f_bfree = zero_extend_signed_to_ull(b.f_bfree);
|
|
p->f_bavail = zero_extend_signed_to_ull(b.f_bavail);
|
|
p->f_files = zero_extend_signed_to_ull(b.f_files);
|
|
p->f_ffree = zero_extend_signed_to_ull(b.f_ffree);
|
|
#if defined HAVE_STRUCT_STATFS_F_FSID_VAL
|
|
p->f_fsid[0] = zero_extend_signed_to_ull(b.f_fsid.val[0]);
|
|
p->f_fsid[1] = zero_extend_signed_to_ull(b.f_fsid.val[1]);
|
|
#elif defined HAVE_STRUCT_STATFS_F_FSID___VAL
|
|
p->f_fsid[0] = zero_extend_signed_to_ull(b.f_fsid.__val[0]);
|
|
p->f_fsid[1] = zero_extend_signed_to_ull(b.f_fsid.__val[1]);
|
|
#endif
|
|
p->f_namelen = zero_extend_signed_to_ull(b.f_namelen);
|
|
#ifdef HAVE_STRUCT_STATFS_F_FRSIZE
|
|
p->f_frsize = zero_extend_signed_to_ull(b.f_frsize);
|
|
#endif
|
|
#ifdef HAVE_STRUCT_STATFS_F_FLAGS
|
|
p->f_flags = zero_extend_signed_to_ull(b.f_flags);
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
#if defined ARM || (defined AARCH64 && defined IN_MPERS)
|
|
/* See arch/arm/kernel/sys_oabi-compat.c for details. */
|
|
# define COMPAT_STATFS64_PADDED_SIZE (sizeof(struct_statfs64) + 4)
|
|
#endif
|
|
|
|
MPERS_PRINTER_DECL(bool, fetch_struct_statfs64,
|
|
struct tcb *const tcp, const kernel_ureg_t addr,
|
|
const kernel_ureg_t size, struct strace_statfs *const p)
|
|
{
|
|
struct_statfs64 b;
|
|
|
|
if (sizeof(b) != size
|
|
#ifdef COMPAT_STATFS64_PADDED_SIZE
|
|
&& sizeof(b) != COMPAT_STATFS64_PADDED_SIZE
|
|
#endif
|
|
) {
|
|
printaddr(addr);
|
|
return false;
|
|
}
|
|
|
|
if (umove_or_printaddr(tcp, addr, &b))
|
|
return false;
|
|
|
|
p->f_type = zero_extend_signed_to_ull(b.f_type);
|
|
p->f_bsize = zero_extend_signed_to_ull(b.f_bsize);
|
|
p->f_blocks = zero_extend_signed_to_ull(b.f_blocks);
|
|
p->f_bfree = zero_extend_signed_to_ull(b.f_bfree);
|
|
p->f_bavail = zero_extend_signed_to_ull(b.f_bavail);
|
|
p->f_files = zero_extend_signed_to_ull(b.f_files);
|
|
p->f_ffree = zero_extend_signed_to_ull(b.f_ffree);
|
|
#if defined HAVE_STRUCT_STATFS64_F_FSID_VAL
|
|
p->f_fsid[0] = zero_extend_signed_to_ull(b.f_fsid.val[0]);
|
|
p->f_fsid[1] = zero_extend_signed_to_ull(b.f_fsid.val[1]);
|
|
#elif defined HAVE_STRUCT_STATFS64_F_FSID___VAL
|
|
p->f_fsid[0] = zero_extend_signed_to_ull(b.f_fsid.__val[0]);
|
|
p->f_fsid[1] = zero_extend_signed_to_ull(b.f_fsid.__val[1]);
|
|
#endif
|
|
p->f_namelen = zero_extend_signed_to_ull(b.f_namelen);
|
|
#ifdef HAVE_STRUCT_STATFS64_F_FRSIZE
|
|
p->f_frsize = zero_extend_signed_to_ull(b.f_frsize);
|
|
#endif
|
|
#ifdef HAVE_STRUCT_STATFS64_F_FLAGS
|
|
p->f_flags = zero_extend_signed_to_ull(b.f_flags);
|
|
#endif
|
|
|
|
return true;
|
|
}
|