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android / platform / external / strace.git / 3ee3bf80f9d15a382e5289c9811246c5e26ba547 / . / file.c
blob: b61ed06c3b5dc952f342b0a738dcbe75e6752b0c [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"
#if defined(SPARC) || defined(SPARC64)
struct stat {
unsigned short st_dev;
unsigned int st_ino;
unsigned short st_mode;
short st_nlink;
unsigned short st_uid;
unsigned short st_gid;
unsigned short st_rdev;
unsigned int st_size;
int st_atime;
unsigned int __unused1;
int st_mtime;
unsigned int __unused2;
int st_ctime;
unsigned int __unused3;
int st_blksize;
int st_blocks;
unsigned int __unused4[2];
};
# if defined(SPARC64)
struct stat_sparc64 {
unsigned int st_dev;
unsigned long st_ino;
unsigned int st_mode;
unsigned int st_nlink;
unsigned int st_uid;
unsigned int st_gid;
unsigned int st_rdev;
long st_size;
long st_atime;
long st_mtime;
long st_ctime;
long st_blksize;
long st_blocks;
unsigned long __unused4[2];
};
# endif /* SPARC64 */
# define stat kernel_stat
# include <asm/stat.h>
# undef stat
#elif defined(X32)
struct stat {
unsigned long long st_dev;
unsigned long long st_ino;
unsigned long long st_nlink;
unsigned int st_mode;
unsigned int st_uid;
unsigned int st_gid;
unsigned int __pad0;
unsigned long long st_rdev;
long long st_size;
long long st_blksize;
long long st_blocks;
unsigned long long st_atime;
unsigned long long st_atime_nsec;
unsigned long long st_mtime;
unsigned long long st_mtime_nsec;
unsigned long long st_ctime;
unsigned long long st_ctime_nsec;
long long __unused[3];
};
struct stat64 {
unsigned long long st_dev;
unsigned char __pad0[4];
unsigned long __st_ino;
unsigned int st_mode;
unsigned int st_nlink;
unsigned long st_uid;
unsigned long st_gid;
unsigned long long st_rdev;
unsigned char __pad3[4];
long long st_size;
unsigned long st_blksize;
unsigned long long st_blocks;
unsigned long st_atime;
unsigned long st_atime_nsec;
unsigned long st_mtime;
unsigned int st_mtime_nsec;
unsigned long st_ctime;
unsigned long st_ctime_nsec;
unsigned long long st_ino;
} __attribute__((packed));
# define HAVE_STAT64 1
struct __old_kernel_stat {
unsigned short st_dev;
unsigned short 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_mtime;
unsigned int st_ctime;
};
#else
# 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
#endif
#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
#include <fcntl.h>
#ifdef HAVE_LINUX_XATTR_H
# include <linux/xattr.h>
#else
# define XATTR_CREATE 1
# define XATTR_REPLACE 2
#endif
#ifdef MAJOR_IN_SYSMACROS
# include <sys/sysmacros.h>
#endif
#ifdef MAJOR_IN_MKDEV
# include <sys/mkdev.h>
#endif
#ifdef O_LARGEFILE
# if O_LARGEFILE == 0 /* biarch platforms in 64-bit mode */
# undef O_LARGEFILE
# ifdef SPARC64
# define O_LARGEFILE 0x40000
# elif defined X86_64 || defined S390X
# define O_LARGEFILE 0100000
# endif
# endif
#endif
#include "xlat/open_access_modes.h"
#include "xlat/open_mode_flags.h"
#ifndef AT_FDCWD
# define AT_FDCWD -100
#endif
/* The fd is an "int", so when decoding x86 on x86_64, we need to force sign
* extension to get the right value. We do this by declaring fd as int here.
*/
void
print_dirfd(struct tcb *tcp, int fd)
{
if (fd == AT_FDCWD)
tprints("AT_FDCWD, ");
else {
printfd(tcp, fd);
tprints(", ");
}
}
/*
* low bits of the open(2) flags define access mode,
* other bits are real flags.
*/
const char *
sprint_open_modes(int flags)
{
static char outstr[(1 + ARRAY_SIZE(open_mode_flags)) * sizeof("O_LARGEFILE")];
char *p;
char sep;
const char *str;
const struct xlat *x;
sep = ' ';
p = stpcpy(outstr, "flags");
str = xlookup(open_access_modes, flags & 3);
if (str) {
*p++ = sep;
p = stpcpy(p, str);
flags &= ~3;
if (!flags)
return outstr;
sep = '|';
}
for (x = open_mode_flags; x->str; x++) {
if ((flags & x->val) == x->val) {
*p++ = sep;
p = stpcpy(p, x->str);
flags &= ~x->val;
if (!flags)
return outstr;
sep = '|';
}
}
/* flags is still nonzero */
*p++ = sep;
sprintf(p, "%#x", flags);
return outstr;
}
void
tprint_open_modes(int flags)
{
tprints(sprint_open_modes(flags) + sizeof("flags"));
}
static int
decode_open(struct tcb *tcp, int offset)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[offset]);
tprints(", ");
/* flags */
tprint_open_modes(tcp->u_arg[offset + 1]);
if (tcp->u_arg[offset + 1] & O_CREAT) {
/* mode */
tprintf(", %#lo", tcp->u_arg[offset + 2]);
}
}
return RVAL_FD;
}
int
sys_open(struct tcb *tcp)
{
return decode_open(tcp, 0);
}
int
sys_openat(struct tcb *tcp)
{
if (entering(tcp))
print_dirfd(tcp, tcp->u_arg[0]);
return decode_open(tcp, 1);
}
#if defined(SPARC) || defined(SPARC64)
#include "xlat/openmodessol.h"
int
solaris_open(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
/* flags */
printflags(openmodessol, tcp->u_arg[1] + 1, "O_???");
if (tcp->u_arg[1] & 0x100) {
/* mode */
tprintf(", %#lo", tcp->u_arg[2]);
}
}
return 0;
}
#endif
int
sys_creat(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprintf(", %#lo", tcp->u_arg[1]);
}
return RVAL_FD;
}
#include "xlat/access_flags.h"
static int
decode_access(struct tcb *tcp, int offset)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[offset]);
tprints(", ");
printflags(access_flags, tcp->u_arg[offset + 1], "?_OK");
}
return 0;
}
int
sys_access(struct tcb *tcp)
{
return decode_access(tcp, 0);
}
int
sys_faccessat(struct tcb *tcp)
{
if (entering(tcp))
print_dirfd(tcp, tcp->u_arg[0]);
return decode_access(tcp, 1);
}
int
sys_umask(struct tcb *tcp)
{
if (entering(tcp)) {
tprintf("%#lo", tcp->u_arg[0]);
}
return RVAL_OCTAL;
}
#include "xlat/whence_codes.h"
/* Linux kernel has exactly one version of lseek:
* fs/read_write.c::SYSCALL_DEFINE3(lseek, unsigned, fd, off_t, offset, unsigned, origin)
* In kernel, off_t is always the same as (kernel's) long
* (see include/uapi/asm-generic/posix_types.h),
* which means that on x32 we need to use tcp->ext_arg[N] to get offset argument.
* Use test/x32_lseek.c to test lseek decoding.
*/
#if defined(LINUX_MIPSN32) || defined(X32)
int
sys_lseek(struct tcb *tcp)
{
long long offset;
int whence;
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
offset = tcp->ext_arg[1];
whence = tcp->u_arg[2];
if (whence == SEEK_SET)
tprintf(", %llu, ", offset);
else
tprintf(", %lld, ", offset);
printxval(whence_codes, whence, "SEEK_???");
}
return RVAL_LUDECIMAL;
}
#else
int
sys_lseek(struct tcb *tcp)
{
long offset;
int whence;
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
offset = tcp->u_arg[1];
whence = tcp->u_arg[2];
if (whence == SEEK_SET)
tprintf(", %lu, ", offset);
else
tprintf(", %ld, ", offset);
printxval(whence_codes, whence, "SEEK_???");
}
return RVAL_UDECIMAL;
}
#endif
/* llseek syscall takes explicitly two ulong arguments hi, lo,
* rather than one 64-bit argument for which LONG_LONG works
* appropriate for the native byte order.
*
* See kernel's fs/read_write.c::SYSCALL_DEFINE5(llseek, ...)
*
* hi,lo are "unsigned longs" and combined exactly this way in kernel:
* ((loff_t) hi << 32) | lo
* Note that for architectures with kernel's long wider than userspace long
* (such as x32), combining code will use *kernel's*, i.e. *wide* longs
* for hi and lo. We would need to use tcp->ext_arg[N] on x32...
* ...however, x32 (and x86_64) does not _have_ llseek syscall as such.
*/
int
sys_llseek(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
if (tcp->u_arg[4] == SEEK_SET)
tprintf(", %llu, ",
((long long) tcp->u_arg[1]) << 32 |
(unsigned long long) (unsigned) tcp->u_arg[2]);
else
tprintf(", %lld, ",
((long long) tcp->u_arg[1]) << 32 |
(unsigned long long) (unsigned) tcp->u_arg[2]);
}
else {
long long off;
if (syserror(tcp) || umove(tcp, tcp->u_arg[3], &off) < 0)
tprintf("%#lx, ", tcp->u_arg[3]);
else
tprintf("[%llu], ", off);
printxval(whence_codes, tcp->u_arg[4], "SEEK_???");
}
return 0;
}
int
sys_readahead(struct tcb *tcp)
{
if (entering(tcp)) {
int argn;
printfd(tcp, tcp->u_arg[0]);
argn = printllval(tcp, ", %lld", 1);
tprintf(", %ld", tcp->u_arg[argn]);
}
return 0;
}
int
sys_truncate(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprintf(", %lu", tcp->u_arg[1]);
}
return 0;
}
int
sys_truncate64(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
printllval(tcp, ", %llu", 1);
}
return 0;
}
int
sys_ftruncate(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprintf(", %lu", tcp->u_arg[1]);
}
return 0;
}
int
sys_ftruncate64(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
printllval(tcp, ", %llu", 1);
}
return 0;
}
/* several stats */
#include "xlat/modetypes.h"
static const char *
sprintmode(int mode)
{
static char buf[sizeof("S_IFSOCK|S_ISUID|S_ISGID|S_ISVTX|%o")
+ sizeof(int)*3
+ /*paranoia:*/ 8];
const char *s;
if ((mode & S_IFMT) == 0)
s = "";
else if ((s = xlookup(modetypes, mode & S_IFMT)) == NULL) {
sprintf(buf, "%#o", mode);
return buf;
}
s = buf + sprintf(buf, "%s%s%s%s", s,
(mode & S_ISUID) ? "|S_ISUID" : "",
(mode & S_ISGID) ? "|S_ISGID" : "",
(mode & S_ISVTX) ? "|S_ISVTX" : "");
mode &= ~(S_IFMT|S_ISUID|S_ISGID|S_ISVTX);
if (mode)
sprintf((char*)s, "|%#o", mode);
s = (*buf == '|') ? buf + 1 : buf;
return *s ? s : "0";
}
static char *
sprinttime(time_t t)
{
struct tm *tmp;
static char buf[sizeof("yyyy/mm/dd-hh:mm:ss")];
if (t == 0) {
strcpy(buf, "0");
return buf;
}
tmp = localtime(&t);
if (tmp)
snprintf(buf, sizeof buf, "%02d/%02d/%02d-%02d:%02d:%02d",
tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
else
snprintf(buf, sizeof buf, "%lu", (unsigned long) t);
return buf;
}
#if defined(SPARC) || defined(SPARC64)
typedef struct {
int tv_sec;
int tv_nsec;
} timestruct_t;
struct solstat {
unsigned st_dev;
int st_pad1[3]; /* network id */
unsigned st_ino;
unsigned st_mode;
unsigned st_nlink;
unsigned st_uid;
unsigned st_gid;
unsigned st_rdev;
int st_pad2[2];
int st_size;
int st_pad3; /* st_size, off_t expansion */
timestruct_t st_atime;
timestruct_t st_mtime;
timestruct_t st_ctime;
int st_blksize;
int st_blocks;
char st_fstype[16];
int st_pad4[8]; /* expansion area */
};
static void
printstatsol(struct tcb *tcp, long addr)
{
struct solstat statbuf;
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
if (!abbrev(tcp)) {
tprintf("{st_dev=makedev(%lu, %lu), st_ino=%lu, st_mode=%s, ",
(unsigned long) ((statbuf.st_dev >> 18) & 0x3fff),
(unsigned long) (statbuf.st_dev & 0x3ffff),
(unsigned long) statbuf.st_ino,
sprintmode(statbuf.st_mode));
tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ",
(unsigned long) statbuf.st_nlink,
(unsigned long) statbuf.st_uid,
(unsigned long) statbuf.st_gid);
tprintf("st_blksize=%lu, ", (unsigned long) statbuf.st_blksize);
tprintf("st_blocks=%lu, ", (unsigned long) statbuf.st_blocks);
}
else
tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode));
switch (statbuf.st_mode & S_IFMT) {
case S_IFCHR: case S_IFBLK:
tprintf("st_rdev=makedev(%lu, %lu), ",
(unsigned long) ((statbuf.st_rdev >> 18) & 0x3fff),
(unsigned long) (statbuf.st_rdev & 0x3ffff));
break;
default:
tprintf("st_size=%u, ", statbuf.st_size);
break;
}
if (!abbrev(tcp)) {
tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime.tv_sec));
tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime.tv_sec));
tprintf("st_ctime=%s}", sprinttime(statbuf.st_ctime.tv_sec));
}
else
tprints("...}");
}
# if defined(SPARC64)
static void
printstat_sparc64(struct tcb *tcp, long addr)
{
struct stat_sparc64 statbuf;
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
if (!abbrev(tcp)) {
tprintf("{st_dev=makedev(%lu, %lu), st_ino=%lu, st_mode=%s, ",
(unsigned long) major(statbuf.st_dev),
(unsigned long) minor(statbuf.st_dev),
(unsigned long) statbuf.st_ino,
sprintmode(statbuf.st_mode));
tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ",
(unsigned long) statbuf.st_nlink,
(unsigned long) statbuf.st_uid,
(unsigned long) statbuf.st_gid);
tprintf("st_blksize=%lu, ",
(unsigned long) statbuf.st_blksize);
tprintf("st_blocks=%lu, ",
(unsigned long) statbuf.st_blocks);
}
else
tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode));
switch (statbuf.st_mode & S_IFMT) {
case S_IFCHR: case S_IFBLK:
tprintf("st_rdev=makedev(%lu, %lu), ",
(unsigned long) major(statbuf.st_rdev),
(unsigned long) minor(statbuf.st_rdev));
break;
default:
tprintf("st_size=%lu, ", statbuf.st_size);
break;
}
if (!abbrev(tcp)) {
tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime));
tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime));
tprintf("st_ctime=%s}", sprinttime(statbuf.st_ctime));
}
else
tprints("...}");
}
# endif /* SPARC64 */
#endif /* SPARC[64] */
#if defined POWERPC64
struct stat_powerpc32 {
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;
};
static void
printstat_powerpc32(struct tcb *tcp, long addr)
{
struct stat_powerpc32 statbuf;
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
if (!abbrev(tcp)) {
tprintf("{st_dev=makedev(%u, %u), st_ino=%u, st_mode=%s, ",
major(statbuf.st_dev), minor(statbuf.st_dev),
statbuf.st_ino,
sprintmode(statbuf.st_mode));
tprintf("st_nlink=%u, st_uid=%u, st_gid=%u, ",
statbuf.st_nlink, statbuf.st_uid, statbuf.st_gid);
tprintf("st_blksize=%u, ", statbuf.st_blksize);
tprintf("st_blocks=%u, ", statbuf.st_blocks);
}
else
tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode));
switch (statbuf.st_mode & S_IFMT) {
case S_IFCHR: case S_IFBLK:
tprintf("st_rdev=makedev(%lu, %lu), ",
(unsigned long) major(statbuf.st_rdev),
(unsigned long) minor(statbuf.st_rdev));
break;
default:
tprintf("st_size=%u, ", statbuf.st_size);
break;
}
if (!abbrev(tcp)) {
tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime));
tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime));
tprintf("st_ctime=%s}", sprinttime(statbuf.st_ctime));
}
else
tprints("...}");
}
#endif /* POWERPC64 */
#include "xlat/fileflags.h"
static void
realprintstat(struct tcb *tcp, struct stat *statbuf)
{
if (!abbrev(tcp)) {
tprintf("{st_dev=makedev(%lu, %lu), st_ino=%lu, st_mode=%s, ",
(unsigned long) major(statbuf->st_dev),
(unsigned long) minor(statbuf->st_dev),
(unsigned long) statbuf->st_ino,
sprintmode(statbuf->st_mode));
tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ",
(unsigned long) statbuf->st_nlink,
(unsigned long) statbuf->st_uid,
(unsigned long) statbuf->st_gid);
#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
tprintf("st_blksize=%lu, ", (unsigned long) statbuf->st_blksize);
#endif
#ifdef HAVE_STRUCT_STAT_ST_BLOCKS
tprintf("st_blocks=%lu, ", (unsigned long) statbuf->st_blocks);
#endif
}
else
tprintf("{st_mode=%s, ", sprintmode(statbuf->st_mode));
switch (statbuf->st_mode & S_IFMT) {
case S_IFCHR: case S_IFBLK:
#ifdef HAVE_STRUCT_STAT_ST_RDEV
tprintf("st_rdev=makedev(%lu, %lu), ",
(unsigned long) major(statbuf->st_rdev),
(unsigned long) minor(statbuf->st_rdev));
#else /* !HAVE_STRUCT_STAT_ST_RDEV */
tprintf("st_size=makedev(%lu, %lu), ",
(unsigned long) major(statbuf->st_size),
(unsigned long) minor(statbuf->st_size));
#endif /* !HAVE_STRUCT_STAT_ST_RDEV */
break;
default:
tprintf("st_size=%lu, ", (unsigned long) statbuf->st_size);
break;
}
if (!abbrev(tcp)) {
tprintf("st_atime=%s, ", sprinttime(statbuf->st_atime));
tprintf("st_mtime=%s, ", sprinttime(statbuf->st_mtime));
tprintf("st_ctime=%s", sprinttime(statbuf->st_ctime));
#if HAVE_STRUCT_STAT_ST_FLAGS
tprints(", st_flags=");
printflags(fileflags, statbuf->st_flags, "UF_???");
#endif
#if HAVE_STRUCT_STAT_ST_ACLCNT
tprintf(", st_aclcnt=%d", statbuf->st_aclcnt);
#endif
#if HAVE_STRUCT_STAT_ST_LEVEL
tprintf(", st_level=%ld", statbuf->st_level);
#endif
#if HAVE_STRUCT_STAT_ST_FSTYPE
tprintf(", st_fstype=%.*s",
(int) sizeof statbuf->st_fstype, statbuf->st_fstype);
#endif
#if HAVE_STRUCT_STAT_ST_GEN
tprintf(", st_gen=%u", statbuf->st_gen);
#endif
tprints("}");
}
else
tprints("...}");
}
#ifndef X32
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;
}
#if defined(SPARC) || defined(SPARC64)
if (current_personality == 1) {
printstatsol(tcp, addr);
return;
}
#ifdef SPARC64
else if (current_personality == 2) {
printstat_sparc64(tcp, addr);
return;
}
#endif
#endif /* SPARC[64] */
#if defined POWERPC64
if (current_personality == 1) {
printstat_powerpc32(tcp, addr);
return;
}
#endif
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
realprintstat(tcp, &statbuf);
}
#else /* X32 */
# define printstat printstat64
#endif
#if !defined HAVE_STAT64 && (defined AARCH64 || defined X86_64)
/*
* Linux x86_64 has unified `struct stat' but its i386 biarch needs
* `struct stat64'. Its <asm-i386/stat.h> definition expects 32-bit `long'.
* <linux/include/asm-x86_64/ia32.h> is not in the public includes set.
* __GNUC__ is needed for the required __attribute__ below.
*
* Similarly, aarch64 has a unified `struct stat' but its arm personality
* needs `struct stat64' (which also expects a 32-bit `long' but which
* 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
__attribute__((packed))
# define STAT64_SIZE 96
#else
# define STAT64_SIZE 104
# endif
;
# define HAVE_STAT64 1
#endif
#ifdef HAVE_STAT64
static void
printstat64(struct tcb *tcp, long addr)
{
#ifdef X32
struct stat statbuf;
#else
struct stat64 statbuf;
#endif
#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;
}
#if defined(SPARC) || defined(SPARC64)
if (current_personality == 1) {
printstatsol(tcp, addr);
return;
}
# ifdef SPARC64
else if (current_personality == 2) {
printstat_sparc64(tcp, addr);
return;
}
# endif
#endif /* SPARC[64] */
#if defined AARCH64
if (current_personality != 0) {
printstat(tcp, addr);
return;
}
#endif
#if defined X86_64
if (current_personality != 1) {
printstat(tcp, addr);
return;
}
#endif
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
if (!abbrev(tcp)) {
tprintf("{st_dev=makedev(%lu, %lu), st_ino=%llu, st_mode=%s, ",
(unsigned long) major(statbuf.st_dev),
(unsigned long) minor(statbuf.st_dev),
(unsigned long long) statbuf.st_ino,
sprintmode(statbuf.st_mode));
tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ",
(unsigned long) statbuf.st_nlink,
(unsigned long) statbuf.st_uid,
(unsigned long) statbuf.st_gid);
#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
tprintf("st_blksize=%lu, ",
(unsigned long) statbuf.st_blksize);
#endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */
#ifdef HAVE_STRUCT_STAT_ST_BLOCKS
tprintf("st_blocks=%lu, ", (unsigned long) statbuf.st_blocks);
#endif /* HAVE_STRUCT_STAT_ST_BLOCKS */
}
else
tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode));
switch (statbuf.st_mode & S_IFMT) {
case S_IFCHR: case S_IFBLK:
#ifdef HAVE_STRUCT_STAT_ST_RDEV
tprintf("st_rdev=makedev(%lu, %lu), ",
(unsigned long) major(statbuf.st_rdev),
(unsigned long) minor(statbuf.st_rdev));
#else /* !HAVE_STRUCT_STAT_ST_RDEV */
tprintf("st_size=makedev(%lu, %lu), ",
(unsigned long) major(statbuf.st_size),
(unsigned long) minor(statbuf.st_size));
#endif /* !HAVE_STRUCT_STAT_ST_RDEV */
break;
default:
tprintf("st_size=%llu, ", (unsigned long long) statbuf.st_size);
break;
}
if (!abbrev(tcp)) {
tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime));
tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime));
tprintf("st_ctime=%s", sprinttime(statbuf.st_ctime));
#if HAVE_STRUCT_STAT_ST_FLAGS
tprints(", st_flags=");
printflags(fileflags, statbuf.st_flags, "UF_???");
#endif
#if HAVE_STRUCT_STAT_ST_ACLCNT
tprintf(", st_aclcnt=%d", statbuf.st_aclcnt);
#endif
#if HAVE_STRUCT_STAT_ST_LEVEL
tprintf(", st_level=%ld", statbuf.st_level);
#endif
#if HAVE_STRUCT_STAT_ST_FSTYPE
tprintf(", st_fstype=%.*s",
(int) sizeof statbuf.st_fstype, statbuf.st_fstype);
#endif
#if HAVE_STRUCT_STAT_ST_GEN
tprintf(", st_gen=%u", statbuf.st_gen);
#endif
tprints("}");
}
else
tprints("...}");
}
#endif /* HAVE_STAT64 */
#if defined(HAVE_STRUCT___OLD_KERNEL_STAT)
static void
convertoldstat(const struct __old_kernel_stat *oldbuf, struct stat *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;
newbuf->st_blksize = 0; /* not supported in old_stat */
newbuf->st_blocks = 0; /* not supported in old_stat */
}
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);
realprintstat(tcp, &newstatbuf);
}
#endif
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;
}
#ifdef X32
static void
printstat64_x32(struct tcb *tcp, long addr)
{
struct stat64 statbuf;
if (!addr) {
tprints("NULL");
return;
}
if (syserror(tcp) || !verbose(tcp)) {
tprintf("%#lx", addr);
return;
}
if (umove(tcp, addr, &statbuf) < 0) {
tprints("{...}");
return;
}
if (!abbrev(tcp)) {
tprintf("{st_dev=makedev(%lu, %lu), st_ino=%llu, st_mode=%s, ",
(unsigned long) major(statbuf.st_dev),
(unsigned long) minor(statbuf.st_dev),
(unsigned long long) statbuf.st_ino,
sprintmode(statbuf.st_mode));
tprintf("st_nlink=%lu, st_uid=%lu, st_gid=%lu, ",
(unsigned long) statbuf.st_nlink,
(unsigned long) statbuf.st_uid,
(unsigned long) statbuf.st_gid);
tprintf("st_blksize=%lu, ",
(unsigned long) statbuf.st_blksize);
tprintf("st_blocks=%lu, ", (unsigned long) statbuf.st_blocks);
}
else
tprintf("{st_mode=%s, ", sprintmode(statbuf.st_mode));
switch (statbuf.st_mode & S_IFMT) {
case S_IFCHR: case S_IFBLK:
tprintf("st_rdev=makedev(%lu, %lu), ",
(unsigned long) major(statbuf.st_rdev),
(unsigned long) minor(statbuf.st_rdev));
break;
default:
tprintf("st_size=%llu, ", (unsigned long long) statbuf.st_size);
break;
}
if (!abbrev(tcp)) {
tprintf("st_atime=%s, ", sprinttime(statbuf.st_atime));
tprintf("st_mtime=%s, ", sprinttime(statbuf.st_mtime));
tprintf("st_ctime=%s", sprinttime(statbuf.st_ctime));
tprints("}");
}
else
tprints("...}");
}
#endif /* X32 */
int
sys_stat64(struct tcb *tcp)
{
#ifdef HAVE_STAT64
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
# ifdef X32
printstat64_x32(tcp, tcp->u_arg[1]);
# else
printstat64(tcp, tcp->u_arg[1]);
# endif
}
return 0;
#else
return printargs(tcp);
#endif
}
#ifndef AT_SYMLINK_NOFOLLOW
# define AT_SYMLINK_NOFOLLOW 0x100
#endif
#ifndef AT_REMOVEDIR
# define AT_REMOVEDIR 0x200
#endif
#ifndef AT_SYMLINK_FOLLOW
# define AT_SYMLINK_FOLLOW 0x400
#endif
#ifndef AT_NO_AUTOMOUNT
# define AT_NO_AUTOMOUNT 0x800
#endif
#ifndef AT_EMPTY_PATH
# define AT_EMPTY_PATH 0x1000
#endif
#include "xlat/at_flags.h"
int
sys_newfstatat(struct tcb *tcp)
{
if (entering(tcp)) {
print_dirfd(tcp, tcp->u_arg[0]);
printpath(tcp, tcp->u_arg[1]);
tprints(", ");
} else {
#ifdef POWERPC64
if (current_personality == 0)
printstat(tcp, tcp->u_arg[2]);
else
printstat64(tcp, tcp->u_arg[2]);
#elif defined HAVE_STAT64
printstat64(tcp, tcp->u_arg[2]);
#else
printstat(tcp, tcp->u_arg[2]);
#endif
tprints(", ");
printflags(at_flags, tcp->u_arg[3], "AT_???");
}
return 0;
}
#if defined(HAVE_STRUCT___OLD_KERNEL_STAT)
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;
}
#endif
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;
}
int
sys_fstat64(struct tcb *tcp)
{
#ifdef HAVE_STAT64
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
# ifdef X32
printstat64_x32(tcp, tcp->u_arg[1]);
# else
printstat64(tcp, tcp->u_arg[1]);
# endif
}
return 0;
#else
return printargs(tcp);
#endif
}
#if defined(HAVE_STRUCT___OLD_KERNEL_STAT)
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
#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 {
# ifdef _STAT64_VER
if (tcp->u_arg[0] == _STAT64_VER)
printstat64(tcp, tcp->u_arg[2]);
else
# endif
printstat(tcp, tcp->u_arg[2]);
}
return 0;
}
int
sys_fxstat(struct tcb *tcp)
{
if (entering(tcp))
tprintf("%ld, %ld, ", tcp->u_arg[0], tcp->u_arg[1]);
else {
# ifdef _STAT64_VER
if (tcp->u_arg[0] == _STAT64_VER)
printstat64(tcp, tcp->u_arg[2]);
else
# endif
printstat(tcp, tcp->u_arg[2]);
}
return 0;
}
int
sys_lxstat(struct tcb *tcp)
{
if (entering(tcp)) {
tprintf("%ld, ", tcp->u_arg[0]);
printpath(tcp, tcp->u_arg[1]);
tprints(", ");
} else {
# ifdef _STAT64_VER
if (tcp->u_arg[0] == _STAT64_VER)
printstat64(tcp, tcp->u_arg[2]);
else
# endif
printstat(tcp, tcp->u_arg[2]);
}
return 0;
}
int
sys_xmknod(struct tcb *tcp)
{
int mode = tcp->u_arg[2];
if (entering(tcp)) {
tprintf("%ld, ", tcp->u_arg[0]);
printpath(tcp, tcp->u_arg[1]);
tprintf(", %s", sprintmode(mode));
switch (mode & S_IFMT) {
case S_IFCHR: case S_IFBLK:
tprintf(", makedev(%lu, %lu)",
(unsigned long) ((tcp->u_arg[3] >> 18) & 0x3fff),
(unsigned long) (tcp->u_arg[3] & 0x3ffff));
break;
default:
break;
}
}
return 0;
}
#endif /* SPARC[64] */
/* directory */
int
sys_chdir(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
}
return 0;
}
int
sys_link(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
printpath(tcp, tcp->u_arg[1]);
}
return 0;
}
int
sys_linkat(struct tcb *tcp)
{
if (entering(tcp)) {
print_dirfd(tcp, tcp->u_arg[0]);
printpath(tcp, tcp->u_arg[1]);
tprints(", ");
print_dirfd(tcp, tcp->u_arg[2]);
printpath(tcp, tcp->u_arg[3]);
tprints(", ");
printflags(at_flags, tcp->u_arg[4], "AT_???");
}
return 0;
}
int
sys_unlinkat(struct tcb *tcp)
{
if (entering(tcp)) {
print_dirfd(tcp, tcp->u_arg[0]);
printpath(tcp, tcp->u_arg[1]);
tprints(", ");
printflags(at_flags, tcp->u_arg[2], "AT_???");
}
return 0;
}
int
sys_symlinkat(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
print_dirfd(tcp, tcp->u_arg[1]);
printpath(tcp, tcp->u_arg[2]);
}
return 0;
}
static int
decode_readlink(struct tcb *tcp, int offset)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[offset]);
tprints(", ");
} else {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[offset + 1]);
else
/* Used to use printpathn(), but readlink
* neither includes NUL in the returned count,
* nor actually writes it into memory.
* printpathn() would decide on printing
* "..." continuation based on garbage
* past return buffer's end.
*/
printstr(tcp, tcp->u_arg[offset + 1], tcp->u_rval);
tprintf(", %lu", tcp->u_arg[offset + 2]);
}
return 0;
}
int
sys_readlink(struct tcb *tcp)
{
return decode_readlink(tcp, 0);
}
int
sys_readlinkat(struct tcb *tcp)
{
if (entering(tcp))
print_dirfd(tcp, tcp->u_arg[0]);
return decode_readlink(tcp, 1);
}
static void
decode_renameat(struct tcb *tcp)
{
print_dirfd(tcp, tcp->u_arg[0]);
printpath(tcp, tcp->u_arg[1]);
tprints(", ");
print_dirfd(tcp, tcp->u_arg[2]);
printpath(tcp, tcp->u_arg[3]);
}
int
sys_renameat(struct tcb *tcp)
{
if (entering(tcp)) {
decode_renameat(tcp);
}
return 0;
}
#include "xlat/rename_flags.h"
int
sys_renameat2(struct tcb *tcp)
{
if (entering(tcp)) {
decode_renameat(tcp);
tprints(", ");
printflags(rename_flags, tcp->u_arg[4], "RENAME_??");
}
return 0;
}
int
sys_chown(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
printuid(", ", tcp->u_arg[1]);
printuid(", ", tcp->u_arg[2]);
}
return 0;
}
int
sys_fchownat(struct tcb *tcp)
{
if (entering(tcp)) {
print_dirfd(tcp, tcp->u_arg[0]);
printpath(tcp, tcp->u_arg[1]);
printuid(", ", tcp->u_arg[2]);
printuid(", ", tcp->u_arg[3]);
tprints(", ");
printflags(at_flags, tcp->u_arg[4], "AT_???");
}
return 0;
}
int
sys_fchown(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
printuid(", ", tcp->u_arg[1]);
printuid(", ", tcp->u_arg[2]);
}
return 0;
}
static int
decode_chmod(struct tcb *tcp, int offset)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[offset]);
tprintf(", %#lo", tcp->u_arg[offset + 1]);
}
return 0;
}
int
sys_chmod(struct tcb *tcp)
{
return decode_chmod(tcp, 0);
}
int
sys_fchmodat(struct tcb *tcp)
{
if (entering(tcp))
print_dirfd(tcp, tcp->u_arg[0]);
return decode_chmod(tcp, 1);
}
int
sys_fchmod(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprintf(", %#lo", tcp->u_arg[1]);
}
return 0;
}
#ifdef ALPHA
int
sys_osf_utimes(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
printtv_bitness(tcp, tcp->u_arg[1], BITNESS_32, 0);
}
return 0;
}
#endif
static int
decode_utimes(struct tcb *tcp, int offset, int special)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[offset]);
tprints(", ");
if (tcp->u_arg[offset + 1] == 0)
tprints("NULL");
else {
tprints("{");
printtv_bitness(tcp, tcp->u_arg[offset + 1],
BITNESS_CURRENT, special);
tprints(", ");
printtv_bitness(tcp, tcp->u_arg[offset + 1]
+ sizeof(struct timeval),
BITNESS_CURRENT, special);
tprints("}");
}
}
return 0;
}
int
sys_utimes(struct tcb *tcp)
{
return decode_utimes(tcp, 0, 0);
}
int
sys_futimesat(struct tcb *tcp)
{
if (entering(tcp))
print_dirfd(tcp, tcp->u_arg[0]);
return decode_utimes(tcp, 1, 0);
}
int
sys_utimensat(struct tcb *tcp)
{
if (entering(tcp)) {
print_dirfd(tcp, tcp->u_arg[0]);
decode_utimes(tcp, 1, 1);
tprints(", ");
printflags(at_flags, tcp->u_arg[3], "AT_???");
}
return 0;
}
int
sys_utime(struct tcb *tcp)
{
union {
long utl[2];
int uti[2];
long paranoia_for_huge_wordsize[4];
} u;
unsigned wordsize;
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
wordsize = current_wordsize;
if (!tcp->u_arg[1])
tprints("NULL");
else if (!verbose(tcp))
tprintf("%#lx", tcp->u_arg[1]);
else if (umoven(tcp, tcp->u_arg[1], 2 * wordsize, (char *) &u) < 0)
tprints("[?, ?]");
else if (wordsize == sizeof u.utl[0]) {
tprintf("[%s,", sprinttime(u.utl[0]));
tprintf(" %s]", sprinttime(u.utl[1]));
}
else if (wordsize == sizeof u.uti[0]) {
tprintf("[%s,", sprinttime(u.uti[0]));
tprintf(" %s]", sprinttime(u.uti[1]));
}
else
tprintf("<decode error: unsupported wordsize %d>",
wordsize);
}
return 0;
}
static int
decode_mknod(struct tcb *tcp, int offset)
{
int mode = tcp->u_arg[offset + 1];
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[offset]);
tprintf(", %s", sprintmode(mode));
switch (mode & S_IFMT) {
case S_IFCHR:
case S_IFBLK:
#if defined(SPARC) || defined(SPARC64)
if (current_personality == 1)
tprintf(", makedev(%lu, %lu)",
(unsigned long) ((tcp->u_arg[offset + 2] >> 18) & 0x3fff),
(unsigned long) (tcp->u_arg[offset + 2] & 0x3ffff));
else
#endif
tprintf(", makedev(%lu, %lu)",
(unsigned long) major(tcp->u_arg[offset + 2]),
(unsigned long) minor(tcp->u_arg[offset + 2]));
break;
default:
break;
}
}
return 0;
}
int
sys_mknod(struct tcb *tcp)
{
return decode_mknod(tcp, 0);
}
int
sys_mknodat(struct tcb *tcp)
{
if (entering(tcp))
print_dirfd(tcp, tcp->u_arg[0]);
return decode_mknod(tcp, 1);
}
int
sys_getcwd(struct tcb *tcp)
{
if (exiting(tcp)) {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[0]);
else
printpathn(tcp, tcp->u_arg[0], tcp->u_rval - 1);
tprintf(", %lu", tcp->u_arg[1]);
}
return 0;
}
#include "xlat/xattrflags.h"
static void
print_xattr_val(struct tcb *tcp, int failed,
unsigned long arg,
unsigned long insize,
unsigned long size)
{
if (insize == 0)
failed = 1;
if (!failed) {
unsigned long capacity = 4 * size + 1;
unsigned char *buf = (capacity < size) ? NULL : malloc(capacity);
if (buf == NULL || /* probably a bogus size argument */
umoven(tcp, arg, size, (char *) &buf[3 * size]) < 0) {
failed = 1;
}
else {
unsigned char *out = buf;
unsigned char *in = &buf[3 * size];
size_t i;
for (i = 0; i < size; ++i) {
if (in[i] >= ' ' && in[i] <= 0x7e)
*out++ = in[i];
else {
#define tohex(n) "0123456789abcdef"[n]
*out++ = '\\';
*out++ = 'x';
*out++ = tohex(in[i] / 16);
*out++ = tohex(in[i] % 16);
}
}
/* Don't print terminating NUL if there is one. */
if (i > 0 && in[i - 1] == '\0')
out -= 4;
*out = '\0';
tprintf(", \"%s\", %ld", buf, insize);
}
free(buf);
}
if (failed)
tprintf(", 0x%lx, %ld", arg, insize);
}
int
sys_setxattr(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
print_xattr_val(tcp, 0, tcp->u_arg[2], tcp->u_arg[3], tcp->u_arg[3]);
tprints(", ");
printflags(xattrflags, tcp->u_arg[4], "XATTR_???");
}
return 0;
}
int
sys_fsetxattr(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
print_xattr_val(tcp, 0, tcp->u_arg[2], tcp->u_arg[3], tcp->u_arg[3]);
tprints(", ");
printflags(xattrflags, tcp->u_arg[4], "XATTR_???");
}
return 0;
}
int
sys_getxattr(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
} else {
print_xattr_val(tcp, syserror(tcp), tcp->u_arg[2], tcp->u_arg[3],
tcp->u_rval);
}
return 0;
}
int
sys_fgetxattr(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
} else {
print_xattr_val(tcp, syserror(tcp), tcp->u_arg[2], tcp->u_arg[3],
tcp->u_rval);
}
return 0;
}
static void
print_xattr_list(struct tcb *tcp, unsigned long addr, unsigned long size)
{
if (syserror(tcp)) {
tprintf("%#lx", addr);
} else {
if (!addr) {
tprints("NULL");
} else {
unsigned long len =
(size < (unsigned long) tcp->u_rval) ?
size : (unsigned long) tcp->u_rval;
printstr(tcp, addr, len);
}
}
tprintf(", %lu", size);
}
int
sys_listxattr(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
print_xattr_list(tcp, tcp->u_arg[1], tcp->u_arg[2]);
}
return 0;
}
int
sys_flistxattr(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
print_xattr_list(tcp, tcp->u_arg[1], tcp->u_arg[2]);
}
return 0;
}
int
sys_removexattr(struct tcb *tcp)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
}
return 0;
}
int
sys_fremovexattr(struct tcb *tcp)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
}
return 0;
}