blob: ae74d5ab82b78655c34a5cd6195499f2930a1fd5 [file] [log] [blame]
/*
* 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>
* 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"
#undef dev_t
#undef ino_t
#undef mode_t
#undef nlink_t
#undef uid_t
#undef gid_t
#undef off_t
#undef loff_t
#define dev_t __kernel_dev_t
#define ino_t __kernel_ino_t
#define mode_t __kernel_mode_t
#define nlink_t __kernel_nlink_t
#define uid_t __kernel_uid_t
#define gid_t __kernel_gid_t
#define off_t __kernel_off_t
#define loff_t __kernel_loff_t
#include <asm/stat.h>
#undef dev_t
#undef ino_t
#undef mode_t
#undef nlink_t
#undef uid_t
#undef gid_t
#undef off_t
#undef loff_t
#define dev_t dev_t
#define ino_t ino_t
#define mode_t mode_t
#define nlink_t nlink_t
#define uid_t uid_t
#define gid_t gid_t
#define off_t off_t
#define loff_t loff_t
/* for S_IFMT */
#define stat libc_stat
#define stat64 libc_stat64
#include <sys/stat.h>
#undef stat
#undef stat64
/* These might be macros. */
#undef st_atime
#undef st_mtime
#undef st_ctime
#if defined MAJOR_IN_SYSMACROS
# include <sys/sysmacros.h>
#elif defined MAJOR_IN_MKDEV
# include <sys/mkdev.h>
#endif
/* several stats */
#include "printstat.h"
#undef STAT32_PERSONALITY
#if SUPPORTED_PERSONALITIES > 1
# if defined AARCH64 || defined X86_64 || defined X32
struct stat32 {
unsigned int st_dev;
unsigned int st_ino;
unsigned short st_mode;
unsigned short st_nlink;
unsigned short st_uid;
unsigned short st_gid;
unsigned int st_rdev;
unsigned int st_size;
unsigned int st_blksize;
unsigned int st_blocks;
unsigned int st_atime;
unsigned int st_atime_nsec;
unsigned int st_mtime;
unsigned int st_mtime_nsec;
unsigned int st_ctime;
unsigned int st_ctime_nsec;
unsigned int __unused4;
unsigned int __unused5;
};
# ifdef AARCH64
# define STAT32_PERSONALITY 0
# else
# define STAT32_PERSONALITY 1
# endif
# elif defined POWERPC64
struct stat32 {
unsigned int st_dev;
unsigned int st_ino;
unsigned int st_mode;
unsigned short st_nlink;
unsigned int st_uid;
unsigned int st_gid;
unsigned int st_rdev;
unsigned int st_size;
unsigned int st_blksize;
unsigned int st_blocks;
unsigned int st_atime;
unsigned int st_atime_nsec;
unsigned int st_mtime;
unsigned int st_mtime_nsec;
unsigned int st_ctime;
unsigned int st_ctime_nsec;
unsigned int __unused4;
unsigned int __unused5;
};
# define STAT32_PERSONALITY 1
# elif defined SPARC64
struct stat32 {
unsigned short st_dev;
unsigned int st_ino;
unsigned short st_mode;
unsigned short st_nlink;
unsigned short st_uid;
unsigned short st_gid;
unsigned short st_rdev;
unsigned int st_size;
unsigned int st_atime;
unsigned int st_atime_nsec;
unsigned int st_mtime;
unsigned int st_mtime_nsec;
unsigned int st_ctime;
unsigned int st_ctime_nsec;
unsigned int st_blksize;
unsigned int st_blocks;
unsigned int __unused4[2];
};
# define STAT32_PERSONALITY 0
# elif defined SPARC
# /* no 64-bit personalities */
# elif defined TILE
# /* no 32-bit stat */
# else
# warning FIXME: check whether struct stat32 definition is needed for this architecture!
# endif /* X86_64 || X32 || POWERPC64 */
#endif /* SUPPORTED_PERSONALITIES > 1 */
#ifdef STAT32_PERSONALITY
# define DO_PRINTSTAT do_printstat32
# define STRUCT_STAT struct stat32
# undef HAVE_STRUCT_STAT_ST_FLAGS
# undef HAVE_STRUCT_STAT_ST_FSTYPE
# undef HAVE_STRUCT_STAT_ST_GEN
# include "printstat.h"
static void
printstat32(struct tcb *tcp, long addr)
{
struct stat32 statbuf;
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
do_printstat32(tcp, &statbuf);
}
#endif /* STAT32_PERSONALITY */
#if defined(SPARC) || defined(SPARC64)
struct solstat {
unsigned st_dev;
unsigned int st_pad1[3]; /* network id */
unsigned st_ino;
unsigned st_mode;
unsigned st_nlink;
unsigned st_uid;
unsigned st_gid;
unsigned st_rdev;
unsigned int st_pad2[2];
unsigned int st_size;
unsigned int st_pad3; /* st_size, off_t expansion */
unsigned int st_atime;
unsigned int st_atime_nsec;
unsigned int st_mtime;
unsigned int st_mtime_nsec;
unsigned int st_ctime;
unsigned int st_ctime_nsec;
unsigned int st_blksize;
unsigned int st_blocks;
char st_fstype[16];
unsigned int st_pad4[8]; /* expansion area */
};
# define DO_PRINTSTAT do_printstat_sol
# define STRUCT_STAT struct solstat
# define STAT_MAJOR(x) (((x) >> 18) & 0x3fff)
# define STAT_MINOR(x) ((x) & 0x3ffff)
# undef HAVE_STRUCT_STAT_ST_FLAGS
# undef HAVE_STRUCT_STAT_ST_FSTYPE
# undef HAVE_STRUCT_STAT_ST_GEN
# include "printstat.h"
static void
printstatsol(struct tcb *tcp, long addr)
{
struct solstat statbuf;
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
do_printstat_sol(tcp, &statbuf);
}
#endif /* SPARC || SPARC64 */
static void
printstat(struct tcb *tcp, long addr)
{
struct stat statbuf;
if (!addr) {
tprints("NULL");
return;
}
if (syserror(tcp) || !verbose(tcp)) {
tprintf("%#lx", addr);
return;
}
#ifdef STAT32_PERSONALITY
if (current_personality == STAT32_PERSONALITY) {
printstat32(tcp, addr);
return;
}
#endif
#if defined(SPARC) || defined(SPARC64)
if (current_personality == 1) {
printstatsol(tcp, addr);
return;
}
#endif /* SPARC || SPARC64 */
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
do_printstat(tcp, &statbuf);
}
int
sys_stat(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
printstat(tcp, tcp->u_arg[1]);
}
return 0;
}
int
sys_fstat(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
printstat(tcp, tcp->u_arg[1]);
}
return 0;
}
#if defined STAT32_PERSONALITY && !defined HAVE_STRUCT_STAT64
# if defined AARCH64 || defined X86_64 || defined X32
/*
* Linux x86_64 and x32 have unified `struct stat' but their i386 personality
* needs `struct stat64'.
* linux/arch/x86/include/uapi/asm/stat.h defines `struct stat64' only for i386.
* __GNUC__ is needed for the required __attribute__ below.
*
* Similarly, aarch64 has a unified `struct stat' but its arm personality
* needs `struct stat64' (unlike x86, it shouldn't be packed).
*/
struct stat64 {
unsigned long long st_dev;
unsigned char __pad0[4];
unsigned int __st_ino;
unsigned int st_mode;
unsigned int st_nlink;
unsigned int st_uid;
unsigned int st_gid;
unsigned long long st_rdev;
unsigned char __pad3[4];
long long st_size;
unsigned int st_blksize;
unsigned long long st_blocks;
unsigned int st_atime;
unsigned int st_atime_nsec;
unsigned int st_mtime;
unsigned int st_mtime_nsec;
unsigned int st_ctime;
unsigned int st_ctime_nsec;
unsigned long long st_ino;
}
# if defined X86_64 || defined X32
__attribute__((packed))
# define STAT64_SIZE 96
# else
# define STAT64_SIZE 104
# endif
;
# define HAVE_STRUCT_STAT64 1
# else /* !(AARCH64 || X86_64 || X32) */
# warning FIXME: check whether struct stat64 definition is needed for this architecture!
# endif
#endif /* STAT32_PERSONALITY && !HAVE_STRUCT_STAT64 */
#ifdef HAVE_STRUCT_STAT64
# define DO_PRINTSTAT do_printstat64
# define STRUCT_STAT struct stat64
# undef HAVE_STRUCT_STAT_ST_FLAGS
# undef HAVE_STRUCT_STAT_ST_FSTYPE
# undef HAVE_STRUCT_STAT_ST_GEN
# include "printstat.h"
static void
printstat64(struct tcb *tcp, long addr)
{
struct stat64 statbuf;
# ifdef STAT64_SIZE
(void) sizeof(char[sizeof statbuf == STAT64_SIZE ? 1 : -1]);
# endif
if (!addr) {
tprints("NULL");
return;
}
if (syserror(tcp) || !verbose(tcp)) {
tprintf("%#lx", addr);
return;
}
# ifdef STAT32_PERSONALITY
if (current_personality != STAT32_PERSONALITY) {
printstat(tcp, addr);
return;
}
# endif /* STAT32_PERSONALITY */
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
do_printstat64(tcp, &statbuf);
}
int
sys_stat64(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
printstat64(tcp, tcp->u_arg[1]);
}
return 0;
}
int
sys_fstat64(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
printstat64(tcp, tcp->u_arg[1]);
}
return 0;
}
#else
int
sys_stat64(struct tcb *tcp)
{
return sys_stat(tcp);
}
int
sys_fstat64(struct tcb *tcp)
{
return sys_fstat(tcp);
}
#endif /* HAVE_STRUCT_STAT64 */
int
sys_newfstatat(struct tcb *tcp)
{
if (entering(tcp)) {
print_dirfd(tcp, tcp->u_arg[0]);
printpath(tcp, tcp->u_arg[1]);
tprints(", ");
} else {
#if defined STAT32_PERSONALITY
if (current_personality == STAT32_PERSONALITY)
printstat64(tcp, tcp->u_arg[2]);
else
printstat(tcp, tcp->u_arg[2]);
#elif defined HAVE_STRUCT_STAT64
printstat64(tcp, tcp->u_arg[2]);
#else
printstat(tcp, tcp->u_arg[2]);
#endif /* STAT32_PERSONALITY || HAVE_STRUCT_STAT64 */
tprints(", ");
printflags(at_flags, tcp->u_arg[3], "AT_???");
}
return 0;
}
#if defined(HAVE_STRUCT___OLD_KERNEL_STAT)
static void
convertoldstat(const struct __old_kernel_stat *oldbuf, struct stat *newbuf)
{
memset(newbuf, 0, sizeof(*newbuf));
newbuf->st_dev = oldbuf->st_dev;
newbuf->st_ino = oldbuf->st_ino;
newbuf->st_mode = oldbuf->st_mode;
newbuf->st_nlink = oldbuf->st_nlink;
newbuf->st_uid = oldbuf->st_uid;
newbuf->st_gid = oldbuf->st_gid;
newbuf->st_rdev = oldbuf->st_rdev;
newbuf->st_size = oldbuf->st_size;
newbuf->st_atime = oldbuf->st_atime;
newbuf->st_mtime = oldbuf->st_mtime;
newbuf->st_ctime = oldbuf->st_ctime;
}
static void
printoldstat(struct tcb *tcp, long addr)
{
struct __old_kernel_stat statbuf;
struct stat newstatbuf;
if (!addr) {
tprints("NULL");
return;
}
if (syserror(tcp) || !verbose(tcp)) {
tprintf("%#lx", addr);
return;
}
# if defined(SPARC) || defined(SPARC64)
if (current_personality == 1) {
printstatsol(tcp, addr);
return;
}
# endif
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
convertoldstat(&statbuf, &newstatbuf);
do_printstat(tcp, &newstatbuf);
}
int
sys_oldstat(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
printoldstat(tcp, tcp->u_arg[1]);
}
return 0;
}
int
sys_oldfstat(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
printoldstat(tcp, tcp->u_arg[1]);
}
return 0;
}
#endif /* HAVE_STRUCT___OLD_KERNEL_STAT */
#if defined(SPARC) || defined(SPARC64)
int
sys_xstat(struct tcb *tcp)
{
if (entering(tcp)) {
tprintf("%ld, ", tcp->u_arg[0]);
printpath(tcp, tcp->u_arg[1]);
tprints(", ");
} else {
printstat(tcp, tcp->u_arg[2]);
}
return 0;
}
int
sys_fxstat(struct tcb *tcp)
{
if (entering(tcp)) {
tprintf("%ld, ", tcp->u_arg[0]);
printfd(tcp, tcp->u_arg[1]);
tprints(", ");
} else {
printstat(tcp, tcp->u_arg[2]);
}
return 0;
}
#endif /* SPARC || SPARC64 */