mirror of
https://github.com/php/php-src.git
synced 2024-11-29 04:46:07 +08:00
866 lines
25 KiB
C
866 lines
25 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| PHP Version 5 |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) 1997-2004 The PHP Group |
|
|
+----------------------------------------------------------------------+
|
|
| This source file is subject to version 3.0 of the PHP license, |
|
|
| that is bundled with this package in the file LICENSE, and is |
|
|
| available through the world-wide-web at the following url: |
|
|
| http://www.php.net/license/3_0.txt. |
|
|
| If you did not receive a copy of the PHP license and are unable to |
|
|
| obtain it through the world-wide-web, please send a note to |
|
|
| license@php.net so we can mail you a copy immediately. |
|
|
+----------------------------------------------------------------------+
|
|
| Author: Jim Winstead <jimw@php.net> |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
/* $Id$ */
|
|
|
|
#include "php.h"
|
|
#include "safe_mode.h"
|
|
#include "fopen_wrappers.h"
|
|
#include "php_globals.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <sys/stat.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <ctype.h>
|
|
#include <time.h>
|
|
|
|
#if HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
#if HAVE_SYS_PARAM_H
|
|
# include <sys/param.h>
|
|
#endif
|
|
|
|
#if HAVE_SYS_VFS_H
|
|
# include <sys/vfs.h>
|
|
#endif
|
|
|
|
#ifdef OS2
|
|
# define INCL_DOS
|
|
# include <os2.h>
|
|
#endif
|
|
|
|
#if defined(HAVE_SYS_STATVFS_H) && defined(HAVE_STATVFS)
|
|
# include <sys/statvfs.h>
|
|
#elif defined(HAVE_SYS_STATFS_H) && defined(HAVE_STATFS)
|
|
# include <sys/statfs.h>
|
|
#elif defined(HAVE_SYS_MOUNT_H) && defined(HAVE_STATFS)
|
|
# include <sys/mount.h>
|
|
#endif
|
|
|
|
#if HAVE_PWD_H
|
|
# ifdef PHP_WIN32
|
|
# include "win32/pwd.h"
|
|
# elif defined(NETWARE)
|
|
# include "netware/pwd.h"
|
|
# else
|
|
# include <pwd.h>
|
|
# endif
|
|
#endif
|
|
|
|
#if HAVE_GRP_H
|
|
# ifdef PHP_WIN32
|
|
# include "win32/grp.h"
|
|
# else
|
|
# include <grp.h>
|
|
# endif
|
|
#endif
|
|
|
|
#if HAVE_UTIME
|
|
# ifdef PHP_WIN32
|
|
# include <sys/utime.h>
|
|
# else
|
|
# include <utime.h>
|
|
# endif
|
|
#endif
|
|
|
|
#include "basic_functions.h"
|
|
#include "php_filestat.h"
|
|
|
|
#ifndef S_ISDIR
|
|
#define S_ISDIR(mode) (((mode)&S_IFMT) == S_IFDIR)
|
|
#endif
|
|
#ifndef S_ISREG
|
|
#define S_ISREG(mode) (((mode)&S_IFMT) == S_IFREG)
|
|
#endif
|
|
#ifndef S_ISLNK
|
|
#define S_ISLNK(mode) (((mode)&S_IFMT) == S_IFLNK)
|
|
#endif
|
|
|
|
#define S_IXROOT ( S_IXUSR | S_IXGRP | S_IXOTH )
|
|
|
|
PHP_RINIT_FUNCTION(filestat)
|
|
{
|
|
BG(CurrentStatFile)=NULL;
|
|
BG(CurrentLStatFile)=NULL;
|
|
return SUCCESS;
|
|
}
|
|
|
|
PHP_RSHUTDOWN_FUNCTION(filestat)
|
|
{
|
|
if (BG(CurrentStatFile)) {
|
|
efree (BG(CurrentStatFile));
|
|
BG(CurrentStatFile) = NULL;
|
|
}
|
|
if (BG(CurrentLStatFile)) {
|
|
efree (BG(CurrentLStatFile));
|
|
BG(CurrentLStatFile) = NULL;
|
|
}
|
|
return SUCCESS;
|
|
}
|
|
|
|
/* {{{ proto float disk_total_space(string path)
|
|
Get total disk space for filesystem that path is on */
|
|
PHP_FUNCTION(disk_total_space)
|
|
{
|
|
pval **path;
|
|
#ifdef WINDOWS
|
|
double bytestotal;
|
|
|
|
HINSTANCE kernel32;
|
|
FARPROC gdfse;
|
|
typedef BOOL (WINAPI *gdfse_func)(LPCTSTR, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER);
|
|
gdfse_func func;
|
|
|
|
/* These are used by GetDiskFreeSpaceEx, if available. */
|
|
ULARGE_INTEGER FreeBytesAvailableToCaller;
|
|
ULARGE_INTEGER TotalNumberOfBytes;
|
|
ULARGE_INTEGER TotalNumberOfFreeBytes;
|
|
|
|
/* These are used by GetDiskFreeSpace otherwise. */
|
|
DWORD SectorsPerCluster;
|
|
DWORD BytesPerSector;
|
|
DWORD NumberOfFreeClusters;
|
|
DWORD TotalNumberOfClusters;
|
|
|
|
#else /* not - WINDOWS */
|
|
#if defined(HAVE_SYS_STATVFS_H) && defined(HAVE_STATVFS)
|
|
struct statvfs buf;
|
|
#elif (defined(HAVE_SYS_STATFS_H) || defined(HAVE_SYS_MOUNT_H)) && defined(HAVE_STATFS)
|
|
struct statfs buf;
|
|
#endif
|
|
double bytestotal = 0;
|
|
#endif /* WINDOWS */
|
|
|
|
if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &path)==FAILURE) {
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
|
|
convert_to_string_ex(path);
|
|
|
|
if (php_check_open_basedir(Z_STRVAL_PP(path) TSRMLS_CC)) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
#ifdef WINDOWS
|
|
/* GetDiskFreeSpaceEx is only available in NT and Win95 post-OSR2,
|
|
so we have to jump through some hoops to see if the function
|
|
exists. */
|
|
kernel32 = LoadLibrary("kernel32.dll");
|
|
if (kernel32) {
|
|
gdfse = GetProcAddress(kernel32, "GetDiskFreeSpaceExA");
|
|
/* It's available, so we can call it. */
|
|
if (gdfse) {
|
|
func = (gdfse_func)gdfse;
|
|
if (func(Z_STRVAL_PP(path),
|
|
&FreeBytesAvailableToCaller,
|
|
&TotalNumberOfBytes,
|
|
&TotalNumberOfFreeBytes) == 0) RETURN_FALSE;
|
|
|
|
/* i know - this is ugly, but i works <thies@thieso.net> */
|
|
bytestotal = TotalNumberOfBytes.HighPart *
|
|
(double) (((unsigned long)1) << 31) * 2.0 +
|
|
TotalNumberOfBytes.LowPart;
|
|
}
|
|
/* If it's not available, we just use GetDiskFreeSpace */
|
|
else {
|
|
if (GetDiskFreeSpace(Z_STRVAL_PP(path),
|
|
&SectorsPerCluster, &BytesPerSector,
|
|
&NumberOfFreeClusters, &TotalNumberOfClusters) == 0) RETURN_FALSE;
|
|
bytestotal = (double)TotalNumberOfClusters * (double)SectorsPerCluster * (double)BytesPerSector;
|
|
}
|
|
}
|
|
else {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to load kernel32.dll");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
#elif defined(OS2)
|
|
{
|
|
FSALLOCATE fsinfo;
|
|
char drive = Z_STRVAL_PP(path)[0] & 95;
|
|
|
|
if (DosQueryFSInfo( drive ? drive - 64 : 0, FSIL_ALLOC, &fsinfo, sizeof( fsinfo ) ) == 0)
|
|
bytestotal = (double)fsinfo.cbSector * fsinfo.cSectorUnit * fsinfo.cUnit;
|
|
}
|
|
#else /* WINDOWS, OS/2 */
|
|
#if defined(HAVE_SYS_STATVFS_H) && defined(HAVE_STATVFS)
|
|
if (statvfs(Z_STRVAL_PP(path), &buf)) RETURN_FALSE;
|
|
if (buf.f_frsize) {
|
|
bytestotal = (((double)buf.f_blocks) * ((double)buf.f_frsize));
|
|
} else {
|
|
bytestotal = (((double)buf.f_blocks) * ((double)buf.f_bsize));
|
|
}
|
|
|
|
#elif (defined(HAVE_SYS_STATFS_H) || defined(HAVE_SYS_MOUNT_H)) && defined(HAVE_STATFS)
|
|
if (statfs(Z_STRVAL_PP(path), &buf)) RETURN_FALSE;
|
|
bytestotal = (((double)buf.f_bsize) * ((double)buf.f_blocks));
|
|
#endif
|
|
#endif /* WINDOWS */
|
|
|
|
RETURN_DOUBLE(bytestotal);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto float disk_free_space(string path)
|
|
Get free disk space for filesystem that path is on */
|
|
PHP_FUNCTION(disk_free_space)
|
|
{
|
|
pval **path;
|
|
#ifdef WINDOWS
|
|
double bytesfree;
|
|
|
|
HINSTANCE kernel32;
|
|
FARPROC gdfse;
|
|
typedef BOOL (WINAPI *gdfse_func)(LPCTSTR, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER);
|
|
gdfse_func func;
|
|
|
|
/* These are used by GetDiskFreeSpaceEx, if available. */
|
|
ULARGE_INTEGER FreeBytesAvailableToCaller;
|
|
ULARGE_INTEGER TotalNumberOfBytes;
|
|
ULARGE_INTEGER TotalNumberOfFreeBytes;
|
|
|
|
/* These are used by GetDiskFreeSpace otherwise. */
|
|
DWORD SectorsPerCluster;
|
|
DWORD BytesPerSector;
|
|
DWORD NumberOfFreeClusters;
|
|
DWORD TotalNumberOfClusters;
|
|
|
|
#else /* not - WINDOWS */
|
|
#if defined(HAVE_SYS_STATVFS_H) && defined(HAVE_STATVFS)
|
|
struct statvfs buf;
|
|
#elif (defined(HAVE_SYS_STATFS_H) || defined(HAVE_SYS_MOUNT_H)) && defined(HAVE_STATFS)
|
|
struct statfs buf;
|
|
#endif
|
|
double bytesfree = 0;
|
|
#endif /* WINDOWS */
|
|
|
|
if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &path)==FAILURE) {
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
|
|
convert_to_string_ex(path);
|
|
|
|
if (php_check_open_basedir(Z_STRVAL_PP(path) TSRMLS_CC)) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
#ifdef WINDOWS
|
|
/* GetDiskFreeSpaceEx is only available in NT and Win95 post-OSR2,
|
|
so we have to jump through some hoops to see if the function
|
|
exists. */
|
|
kernel32 = LoadLibrary("kernel32.dll");
|
|
if (kernel32) {
|
|
gdfse = GetProcAddress(kernel32, "GetDiskFreeSpaceExA");
|
|
/* It's available, so we can call it. */
|
|
if (gdfse) {
|
|
func = (gdfse_func)gdfse;
|
|
if (func(Z_STRVAL_PP(path),
|
|
&FreeBytesAvailableToCaller,
|
|
&TotalNumberOfBytes,
|
|
&TotalNumberOfFreeBytes) == 0) RETURN_FALSE;
|
|
|
|
/* i know - this is ugly, but i works <thies@thieso.net> */
|
|
bytesfree = FreeBytesAvailableToCaller.HighPart *
|
|
(double) (((unsigned long)1) << 31) * 2.0 +
|
|
FreeBytesAvailableToCaller.LowPart;
|
|
}
|
|
/* If it's not available, we just use GetDiskFreeSpace */
|
|
else {
|
|
if (GetDiskFreeSpace(Z_STRVAL_PP(path),
|
|
&SectorsPerCluster, &BytesPerSector,
|
|
&NumberOfFreeClusters, &TotalNumberOfClusters) == 0) RETURN_FALSE;
|
|
bytesfree = (double)NumberOfFreeClusters * (double)SectorsPerCluster * (double)BytesPerSector;
|
|
}
|
|
}
|
|
else {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to load kernel32.dll");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
#elif defined(OS2)
|
|
{
|
|
FSALLOCATE fsinfo;
|
|
char drive = Z_STRVAL_PP(path)[0] & 95;
|
|
|
|
if (DosQueryFSInfo( drive ? drive - 64 : 0, FSIL_ALLOC, &fsinfo, sizeof( fsinfo ) ) == 0)
|
|
bytesfree = (double)fsinfo.cbSector * fsinfo.cSectorUnit * fsinfo.cUnitAvail;
|
|
}
|
|
#else /* WINDOWS, OS/2 */
|
|
#if defined(HAVE_SYS_STATVFS_H) && defined(HAVE_STATVFS)
|
|
if (statvfs(Z_STRVAL_PP(path), &buf)) RETURN_FALSE;
|
|
if (buf.f_frsize) {
|
|
bytesfree = (((double)buf.f_bavail) * ((double)buf.f_frsize));
|
|
} else {
|
|
bytesfree = (((double)buf.f_bavail) * ((double)buf.f_bsize));
|
|
}
|
|
#elif (defined(HAVE_SYS_STATFS_H) || defined(HAVE_SYS_MOUNT_H)) && defined(HAVE_STATFS)
|
|
if (statfs(Z_STRVAL_PP(path), &buf)) RETURN_FALSE;
|
|
bytesfree = (((double)buf.f_bsize) * ((double)buf.f_bavail));
|
|
#endif
|
|
#endif /* WINDOWS */
|
|
|
|
RETURN_DOUBLE(bytesfree);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool chgrp(string filename, mixed group)
|
|
Change file group */
|
|
PHP_FUNCTION(chgrp)
|
|
{
|
|
#if !defined(WINDOWS) && !defined(NETWARE) /* I guess 'chgrp' won't be available on NetWare */
|
|
pval **filename, **group;
|
|
gid_t gid;
|
|
struct group *gr=NULL;
|
|
int ret;
|
|
|
|
if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &filename, &group)==FAILURE) {
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
convert_to_string_ex(filename);
|
|
if (Z_TYPE_PP(group) == IS_STRING) {
|
|
gr = getgrnam(Z_STRVAL_PP(group));
|
|
if (!gr) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find gid for %s",
|
|
Z_STRVAL_PP(group));
|
|
RETURN_FALSE;
|
|
}
|
|
gid = gr->gr_gid;
|
|
} else {
|
|
convert_to_long_ex(group);
|
|
gid = Z_LVAL_PP(group);
|
|
}
|
|
|
|
if (PG(safe_mode) &&(!php_checkuid(Z_STRVAL_PP(filename), NULL, CHECKUID_ALLOW_FILE_NOT_EXISTS))) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
/* Check the basedir */
|
|
if (php_check_open_basedir(Z_STRVAL_PP(filename) TSRMLS_CC)) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
ret = VCWD_CHOWN(Z_STRVAL_PP(filename), -1, gid);
|
|
if (ret == -1) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
|
|
RETURN_FALSE;
|
|
}
|
|
RETURN_TRUE;
|
|
#else
|
|
RETURN_FALSE;
|
|
#endif
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool chown (string filename, mixed user)
|
|
Change file owner */
|
|
PHP_FUNCTION(chown)
|
|
{
|
|
#if !defined(WINDOWS) && !defined(NETWARE) /* I guess 'chown' won't be available on NetWare */
|
|
pval **filename, **user;
|
|
int ret;
|
|
uid_t uid;
|
|
struct passwd *pw = NULL;
|
|
|
|
if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &filename, &user)==FAILURE) {
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
convert_to_string_ex(filename);
|
|
if (Z_TYPE_PP(user) == IS_STRING) {
|
|
pw = getpwnam(Z_STRVAL_PP(user));
|
|
if (!pw) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find uid for %s",
|
|
Z_STRVAL_PP(user));
|
|
RETURN_FALSE;
|
|
}
|
|
uid = pw->pw_uid;
|
|
} else {
|
|
convert_to_long_ex(user);
|
|
uid = Z_LVAL_PP(user);
|
|
}
|
|
|
|
if (PG(safe_mode) &&(!php_checkuid(Z_STRVAL_PP(filename), NULL, CHECKUID_ALLOW_FILE_NOT_EXISTS))) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
/* Check the basedir */
|
|
if (php_check_open_basedir(Z_STRVAL_PP(filename) TSRMLS_CC)) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
ret = VCWD_CHOWN(Z_STRVAL_PP(filename), uid, -1);
|
|
if (ret == -1) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
|
|
RETURN_FALSE;
|
|
}
|
|
#endif
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool chmod(string filename, int mode)
|
|
Change file mode */
|
|
PHP_FUNCTION(chmod)
|
|
{
|
|
pval **filename, **mode;
|
|
int ret;
|
|
mode_t imode;
|
|
|
|
if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &filename, &mode)==FAILURE) {
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
convert_to_string_ex(filename);
|
|
convert_to_long_ex(mode);
|
|
|
|
if (PG(safe_mode) &&(!php_checkuid(Z_STRVAL_PP(filename), NULL, CHECKUID_ALLOW_FILE_NOT_EXISTS))) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
/* Check the basedir */
|
|
if (php_check_open_basedir(Z_STRVAL_PP(filename) TSRMLS_CC)) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
imode = (mode_t) Z_LVAL_PP(mode);
|
|
/* in safe mode, do not allow to setuid files.
|
|
Setuiding files could allow users to gain privileges
|
|
that safe mode doesn't give them.
|
|
*/
|
|
if(PG(safe_mode))
|
|
imode &= 0777;
|
|
|
|
ret = VCWD_CHMOD(Z_STRVAL_PP(filename), imode);
|
|
if (ret == -1) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
|
|
RETURN_FALSE;
|
|
}
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
#if HAVE_UTIME
|
|
/* {{{ proto bool touch(string filename [, int time [, int atime]])
|
|
Set modification time of file */
|
|
PHP_FUNCTION(touch)
|
|
{
|
|
pval **filename, **filetime, **fileatime;
|
|
int ret;
|
|
struct stat sb;
|
|
FILE *file;
|
|
struct utimbuf newtimebuf;
|
|
struct utimbuf *newtime = NULL;
|
|
int ac = ZEND_NUM_ARGS();
|
|
|
|
|
|
if (ac == 1 && zend_get_parameters_ex(1, &filename) != FAILURE) {
|
|
#ifndef HAVE_UTIME_NULL
|
|
newtime = &newtimebuf;
|
|
newtime->modtime = newtime->actime = time(NULL);
|
|
#endif
|
|
} else if (ac == 2 && zend_get_parameters_ex(2, &filename, &filetime) != FAILURE) {
|
|
convert_to_long_ex(filetime);
|
|
newtime = &newtimebuf;
|
|
newtime->modtime = newtime->actime = Z_LVAL_PP(filetime);
|
|
} else if (ac == 3 && zend_get_parameters_ex(3, &filename, &filetime, &fileatime) != FAILURE) {
|
|
convert_to_long_ex(fileatime);
|
|
convert_to_long_ex(filetime);
|
|
newtime = &newtimebuf;
|
|
newtime->actime = Z_LVAL_PP(fileatime);
|
|
newtime->modtime = Z_LVAL_PP(filetime);
|
|
} else {
|
|
WRONG_PARAM_COUNT;
|
|
}
|
|
convert_to_string_ex(filename);
|
|
|
|
if (PG(safe_mode) &&(!php_checkuid(Z_STRVAL_PP(filename), NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
/* Check the basedir */
|
|
if (php_check_open_basedir(Z_STRVAL_PP(filename) TSRMLS_CC)) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
/* create the file if it doesn't exist already */
|
|
ret = VCWD_STAT(Z_STRVAL_PP(filename), &sb);
|
|
if (ret == -1) {
|
|
file = VCWD_FOPEN(Z_STRVAL_PP(filename), "w");
|
|
if (file == NULL) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to create file %s because %s", Z_STRVAL_PP(filename), strerror(errno));
|
|
RETURN_FALSE;
|
|
}
|
|
fclose(file);
|
|
}
|
|
|
|
ret = VCWD_UTIME(Z_STRVAL_PP(filename), newtime);
|
|
if (ret == -1) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Utime failed: %s", strerror(errno));
|
|
RETURN_FALSE;
|
|
}
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
#endif
|
|
|
|
/* {{{ proto void clearstatcache(void)
|
|
Clear file stat cache */
|
|
PHP_FUNCTION(clearstatcache)
|
|
{
|
|
if (BG(CurrentStatFile)) {
|
|
efree(BG(CurrentStatFile));
|
|
BG(CurrentStatFile) = NULL;
|
|
}
|
|
if (BG(CurrentLStatFile)) {
|
|
efree(BG(CurrentLStatFile));
|
|
BG(CurrentLStatFile) = NULL;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
#define IS_LINK_OPERATION(__t) ((__t) == FS_TYPE || (__t) == FS_IS_LINK || (__t) == FS_LSTAT)
|
|
#define IS_EXISTS_CHECK(__t) ((__t) == FS_EXISTS || (__t) == FS_IS_W || (__t) == FS_IS_R || (__t) == FS_IS_X || (__t) == FS_IS_FILE || (__t) == FS_IS_DIR || (__t) == FS_IS_LINK)
|
|
#define IS_ABLE_CHECK(__t) ((__t) == FS_IS_R || (__t) == FS_IS_W || (__t) == FS_IS_X)
|
|
|
|
/* {{{ php_stat
|
|
*/
|
|
PHPAPI void php_stat(const char *filename, php_stat_len filename_length, int type, pval *return_value TSRMLS_DC)
|
|
{
|
|
zval *stat_dev, *stat_ino, *stat_mode, *stat_nlink, *stat_uid, *stat_gid, *stat_rdev,
|
|
*stat_size, *stat_atime, *stat_mtime, *stat_ctime, *stat_blksize, *stat_blocks;
|
|
struct stat *stat_sb;
|
|
php_stream_statbuf ssb;
|
|
int flags = 0, rmask=S_IROTH, wmask=S_IWOTH, xmask=S_IXOTH; /* access rights defaults to other */
|
|
char *stat_sb_names[13]={"dev", "ino", "mode", "nlink", "uid", "gid", "rdev",
|
|
"size", "atime", "mtime", "ctime", "blksize", "blocks"};
|
|
|
|
if (!filename_length) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (IS_LINK_OPERATION(type)) {
|
|
flags |= PHP_STREAM_URL_STAT_LINK;
|
|
}
|
|
if (IS_EXISTS_CHECK(type)) {
|
|
flags |= PHP_STREAM_URL_STAT_QUIET;
|
|
}
|
|
|
|
if (php_stream_stat_path_ex((char *)filename, flags, &ssb, NULL)) {
|
|
/* Error Occured */
|
|
if (!IS_EXISTS_CHECK(type)) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%sstat failed for %s", IS_LINK_OPERATION(type) ? "L" : "", filename);
|
|
}
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
stat_sb = &ssb.sb;
|
|
|
|
|
|
#ifndef NETWARE
|
|
if (type >= FS_IS_W && type <= FS_IS_X) {
|
|
if(ssb.sb.st_uid==getuid()) {
|
|
rmask=S_IRUSR;
|
|
wmask=S_IWUSR;
|
|
xmask=S_IXUSR;
|
|
} else if(ssb.sb.st_gid==getgid()) {
|
|
rmask=S_IRGRP;
|
|
wmask=S_IWGRP;
|
|
xmask=S_IXGRP;
|
|
} else {
|
|
int groups, n, i;
|
|
gid_t *gids;
|
|
|
|
groups = getgroups(0, NULL);
|
|
if(groups) {
|
|
gids=(gid_t *)safe_emalloc(groups, sizeof(gid_t), 0);
|
|
n=getgroups(groups, gids);
|
|
for(i=0;i<n;i++){
|
|
if(ssb.sb.st_gid==gids[i]) {
|
|
rmask=S_IRGRP;
|
|
wmask=S_IWGRP;
|
|
xmask=S_IXGRP;
|
|
break;
|
|
}
|
|
}
|
|
efree(gids);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifndef NETWARE
|
|
if (IS_ABLE_CHECK(type) && getuid() == 0) {
|
|
/* root has special perms on plain_wrapper
|
|
But we don't know about root under Netware */
|
|
php_stream_wrapper *wrapper;
|
|
|
|
wrapper = php_stream_locate_url_wrapper(filename, NULL, 0 TSRMLS_CC);
|
|
if (wrapper && wrapper->wops && wrapper->wops->label && strcmp(wrapper->wops->label, "plainfile") == 0) {
|
|
if (type == FS_IS_X) {
|
|
xmask = S_IXROOT;
|
|
} else {
|
|
RETURN_TRUE;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
switch (type) {
|
|
case FS_PERMS:
|
|
RETURN_LONG((long)ssb.sb.st_mode);
|
|
case FS_INODE:
|
|
RETURN_LONG((long)ssb.sb.st_ino);
|
|
case FS_SIZE:
|
|
RETURN_LONG((long)ssb.sb.st_size);
|
|
case FS_OWNER:
|
|
RETURN_LONG((long)ssb.sb.st_uid);
|
|
case FS_GROUP:
|
|
RETURN_LONG((long)ssb.sb.st_gid);
|
|
case FS_ATIME:
|
|
#ifdef NETWARE
|
|
RETURN_LONG((long)ssb.sb.st_atime.tv_sec);
|
|
#else
|
|
RETURN_LONG((long)ssb.sb.st_atime);
|
|
#endif
|
|
case FS_MTIME:
|
|
#ifdef NETWARE
|
|
RETURN_LONG((long)ssb.sb.st_mtime.tv_sec);
|
|
#else
|
|
RETURN_LONG((long)ssb.sb.st_mtime);
|
|
#endif
|
|
case FS_CTIME:
|
|
#ifdef NETWARE
|
|
RETURN_LONG((long)ssb.sb.st_ctime.tv_sec);
|
|
#else
|
|
RETURN_LONG((long)ssb.sb.st_ctime);
|
|
#endif
|
|
case FS_TYPE:
|
|
if (S_ISLNK(ssb.sb.st_mode)) {
|
|
RETURN_STRING("link", 1);
|
|
}
|
|
switch(ssb.sb.st_mode & S_IFMT) {
|
|
case S_IFIFO: RETURN_STRING("fifo", 1);
|
|
case S_IFCHR: RETURN_STRING("char", 1);
|
|
case S_IFDIR: RETURN_STRING("dir", 1);
|
|
case S_IFBLK: RETURN_STRING("block", 1);
|
|
case S_IFREG: RETURN_STRING("file", 1);
|
|
#if defined(S_IFSOCK) && !defined(ZEND_WIN32)&&!defined(__BEOS__)
|
|
case S_IFSOCK: RETURN_STRING("socket", 1);
|
|
#endif
|
|
}
|
|
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Unknown file type (%d)", ssb.sb.st_mode&S_IFMT);
|
|
RETURN_STRING("unknown", 1);
|
|
case FS_IS_W:
|
|
RETURN_BOOL((ssb.sb.st_mode & wmask) != 0);
|
|
case FS_IS_R:
|
|
RETURN_BOOL((ssb.sb.st_mode&rmask)!=0);
|
|
case FS_IS_X:
|
|
RETURN_BOOL((ssb.sb.st_mode&xmask)!=0 && !S_ISDIR(ssb.sb.st_mode));
|
|
case FS_IS_FILE:
|
|
RETURN_BOOL(S_ISREG(ssb.sb.st_mode));
|
|
case FS_IS_DIR:
|
|
RETURN_BOOL(S_ISDIR(ssb.sb.st_mode));
|
|
case FS_IS_LINK:
|
|
RETURN_BOOL(S_ISLNK(ssb.sb.st_mode));
|
|
case FS_EXISTS:
|
|
RETURN_TRUE; /* the false case was done earlier */
|
|
case FS_LSTAT:
|
|
/* FALLTHROUGH */
|
|
case FS_STAT:
|
|
array_init(return_value);
|
|
|
|
MAKE_LONG_ZVAL_INCREF(stat_dev, stat_sb->st_dev);
|
|
MAKE_LONG_ZVAL_INCREF(stat_ino, stat_sb->st_ino);
|
|
MAKE_LONG_ZVAL_INCREF(stat_mode, stat_sb->st_mode);
|
|
MAKE_LONG_ZVAL_INCREF(stat_nlink, stat_sb->st_nlink);
|
|
MAKE_LONG_ZVAL_INCREF(stat_uid, stat_sb->st_uid);
|
|
MAKE_LONG_ZVAL_INCREF(stat_gid, stat_sb->st_gid);
|
|
#ifdef HAVE_ST_RDEV
|
|
MAKE_LONG_ZVAL_INCREF(stat_rdev, stat_sb->st_rdev);
|
|
#else
|
|
MAKE_LONG_ZVAL_INCREF(stat_rdev, -1);
|
|
#endif
|
|
MAKE_LONG_ZVAL_INCREF(stat_size, stat_sb->st_size);
|
|
#ifdef NETWARE
|
|
MAKE_LONG_ZVAL_INCREF(stat_atime, (stat_sb->st_atime).tv_sec);
|
|
MAKE_LONG_ZVAL_INCREF(stat_mtime, (stat_sb->st_mtime).tv_sec);
|
|
MAKE_LONG_ZVAL_INCREF(stat_ctime, (stat_sb->st_ctime).tv_sec);
|
|
#else
|
|
MAKE_LONG_ZVAL_INCREF(stat_atime, stat_sb->st_atime);
|
|
MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_sb->st_mtime);
|
|
MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_sb->st_ctime);
|
|
#endif
|
|
#ifdef HAVE_ST_BLKSIZE
|
|
MAKE_LONG_ZVAL_INCREF(stat_blksize, stat_sb->st_blksize);
|
|
#else
|
|
MAKE_LONG_ZVAL_INCREF(stat_blksize,-1);
|
|
#endif
|
|
#ifdef HAVE_ST_BLOCKS
|
|
MAKE_LONG_ZVAL_INCREF(stat_blocks, stat_sb->st_blocks);
|
|
#else
|
|
MAKE_LONG_ZVAL_INCREF(stat_blocks,-1);
|
|
#endif
|
|
/* Store numeric indexes in propper order */
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_dev, sizeof(zval *), NULL);
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ino, sizeof(zval *), NULL);
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mode, sizeof(zval *), NULL);
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_nlink, sizeof(zval *), NULL);
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_uid, sizeof(zval *), NULL);
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_gid, sizeof(zval *), NULL);
|
|
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_rdev, sizeof(zval *), NULL);
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_size, sizeof(zval *), NULL);
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_atime, sizeof(zval *), NULL);
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mtime, sizeof(zval *), NULL);
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ctime, sizeof(zval *), NULL);
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blksize, sizeof(zval *), NULL);
|
|
zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blocks, sizeof(zval *), NULL);
|
|
|
|
/* Store string indexes referencing the same zval*/
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[0], strlen(stat_sb_names[0])+1, (void *) &stat_dev, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[1], strlen(stat_sb_names[1])+1, (void *) &stat_ino, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[2], strlen(stat_sb_names[2])+1, (void *) &stat_mode, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[3], strlen(stat_sb_names[3])+1, (void *) &stat_nlink, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[4], strlen(stat_sb_names[4])+1, (void *) &stat_uid, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[5], strlen(stat_sb_names[5])+1, (void *) &stat_gid, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[6], strlen(stat_sb_names[6])+1, (void *) &stat_rdev, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[7], strlen(stat_sb_names[7])+1, (void *) &stat_size, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[8], strlen(stat_sb_names[8])+1, (void *) &stat_atime, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[9], strlen(stat_sb_names[9])+1, (void *) &stat_mtime, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[10], strlen(stat_sb_names[10])+1, (void *) &stat_ctime, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[11], strlen(stat_sb_names[11])+1, (void *) &stat_blksize, sizeof(zval *), NULL);
|
|
zend_hash_update(HASH_OF(return_value), stat_sb_names[12], strlen(stat_sb_names[12])+1, (void *) &stat_blocks, sizeof(zval *), NULL);
|
|
|
|
return;
|
|
}
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Didn't understand stat call");
|
|
RETURN_FALSE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* another quickie macro to make defining similar functions easier */
|
|
#define FileFunction(name, funcnum) \
|
|
void name(INTERNAL_FUNCTION_PARAMETERS) { \
|
|
pval **filename; \
|
|
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &filename) == FAILURE) { \
|
|
WRONG_PARAM_COUNT; \
|
|
} \
|
|
convert_to_string_ex(filename); \
|
|
php_stat(Z_STRVAL_PP(filename), (php_stat_len) Z_STRLEN_PP(filename), funcnum, return_value TSRMLS_CC); \
|
|
}
|
|
|
|
/* {{{ proto int fileperms(string filename)
|
|
Get file permissions */
|
|
FileFunction(PHP_FN(fileperms), FS_PERMS)
|
|
/* }}} */
|
|
|
|
/* {{{ proto int fileinode(string filename)
|
|
Get file inode */
|
|
FileFunction(PHP_FN(fileinode), FS_INODE)
|
|
/* }}} */
|
|
|
|
/* {{{ proto int filesize(string filename)
|
|
Get file size */
|
|
FileFunction(PHP_FN(filesize), FS_SIZE)
|
|
/* }}} */
|
|
|
|
/* {{{ proto int fileowner(string filename)
|
|
Get file owner */
|
|
FileFunction(PHP_FN(fileowner), FS_OWNER)
|
|
/* }}} */
|
|
|
|
/* {{{ proto int filegroup(string filename)
|
|
Get file group */
|
|
FileFunction(PHP_FN(filegroup), FS_GROUP)
|
|
/* }}} */
|
|
|
|
/* {{{ proto int fileatime(string filename)
|
|
Get last access time of file */
|
|
FileFunction(PHP_FN(fileatime), FS_ATIME)
|
|
/* }}} */
|
|
|
|
/* {{{ proto int filemtime(string filename)
|
|
Get last modification time of file */
|
|
FileFunction(PHP_FN(filemtime), FS_MTIME)
|
|
/* }}} */
|
|
|
|
/* {{{ proto int filectime(string filename)
|
|
Get inode modification time of file */
|
|
FileFunction(PHP_FN(filectime), FS_CTIME)
|
|
/* }}} */
|
|
|
|
/* {{{ proto string filetype(string filename)
|
|
Get file type */
|
|
FileFunction(PHP_FN(filetype), FS_TYPE)
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool is_writable(string filename)
|
|
Returns true if file can be written */
|
|
FileFunction(PHP_FN(is_writable), FS_IS_W)
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool is_readable(string filename)
|
|
Returns true if file can be read */
|
|
FileFunction(PHP_FN(is_readable), FS_IS_R)
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool is_executable(string filename)
|
|
Returns true if file is executable */
|
|
FileFunction(PHP_FN(is_executable), FS_IS_X)
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool is_file(string filename)
|
|
Returns true if file is a regular file */
|
|
FileFunction(PHP_FN(is_file), FS_IS_FILE)
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool is_dir(string filename)
|
|
Returns true if file is directory */
|
|
FileFunction(PHP_FN(is_dir), FS_IS_DIR)
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool is_link(string filename)
|
|
Returns true if file is symbolic link */
|
|
FileFunction(PHP_FN(is_link), FS_IS_LINK)
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool file_exists(string filename)
|
|
Returns true if filename exists */
|
|
FileFunction(PHP_FN(file_exists), FS_EXISTS)
|
|
/* }}} */
|
|
|
|
/* {{{ proto array lstat(string filename)
|
|
Give information about a file or symbolic link */
|
|
FileFunction(php_if_lstat, FS_LSTAT)
|
|
/* }}} */
|
|
|
|
/* {{{ proto array stat(string filename)
|
|
Give information about a file */
|
|
FileFunction(php_if_stat, FS_STAT)
|
|
/* }}} */
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
* vim600: sw=4 ts=4 fdm=marker
|
|
* vim<600: sw=4 ts=4
|
|
*/
|