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php-src/ext/standard/filestat.c
Ilia Alshanetsky 6b5b6079da Fix for bug #24313 (port from dead PHP_5 branch)
2003-06-24 13:56:25 +00:00

933 lines
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/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2003 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_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 )
/* Switches for various filestat functions: */
#define FS_PERMS 0
#define FS_INODE 1
#define FS_SIZE 2
#define FS_OWNER 3
#define FS_GROUP 4
#define FS_ATIME 5
#define FS_MTIME 6
#define FS_CTIME 7
#define FS_TYPE 8
#define FS_IS_W 9
#define FS_IS_R 10
#define FS_IS_X 11
#define FS_IS_FILE 12
#define FS_IS_DIR 13
#define FS_IS_LINK 14
#define FS_EXISTS 15
#define FS_LSTAT 16
#define FS_STAT 17
PHP_RINIT_FUNCTION(filestat)
{
BG(CurrentStatFile)=NULL;
BG(CurrentStatLength)=0;
return SUCCESS;
}
PHP_RSHUTDOWN_FUNCTION(filestat)
{
if (BG(CurrentStatFile)) {
efree (BG(CurrentStatFile));
}
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;
#if defined(NETWARE) && defined(CLIB_STAT_PATCH)
struct stat_libc sb;
#else
struct stat sb;
#endif
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;
}
}
/* }}} */
#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)
/* {{{ php_stat
*/
static 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;
#if defined(NETWARE) && defined(CLIB_STAT_PATCH)
struct stat_libc *stat_sb;
#else
struct stat *stat_sb;
#endif
int 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 (PG(safe_mode) &&(!php_checkuid_ex(filename, NULL, CHECKUID_CHECK_FILE_AND_DIR, IS_EXISTS_CHECK(type) ? CHECKUID_NO_ERRORS : 0))) {
RETURN_FALSE;
}
if (php_check_open_basedir_ex(filename, IS_EXISTS_CHECK(type) ? 0 : 1 TSRMLS_CC)) {
RETURN_FALSE;
}
switch (type) {
case FS_IS_W:
RETURN_BOOL (!VCWD_ACCESS(filename, W_OK));
case FS_IS_R:
RETURN_BOOL (!VCWD_ACCESS(filename, R_OK));
case FS_IS_X:
RETURN_BOOL (!VCWD_ACCESS(filename, X_OK));
case FS_EXISTS:
RETURN_BOOL (!VCWD_ACCESS(filename, F_OK));
}
stat_sb = &BG(sb);
if (!BG(CurrentStatFile) || strcmp(filename, BG(CurrentStatFile))) {
if (!BG(CurrentStatFile) || filename_length > BG(CurrentStatLength)) {
if (BG(CurrentStatFile)) {
efree(BG(CurrentStatFile));
}
BG(CurrentStatLength) = filename_length;
BG(CurrentStatFile) = estrndup(filename, filename_length);
} else {
memcpy(BG(CurrentStatFile), filename, filename_length+1);
}
#if HAVE_SYMLINK
BG(lsb).st_mode = 0; /* mark lstat buf invalid */
#endif
if (VCWD_STAT(BG(CurrentStatFile), &BG(sb)) == -1) {
if (!IS_LINK_OPERATION(type) && (!IS_EXISTS_CHECK(type) || errno != ENOENT)) { /* fileexists() test must print no error */
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Stat failed for %s (errno=%d - %s)", BG(CurrentStatFile), errno, strerror(errno));
}
efree(BG(CurrentStatFile));
BG(CurrentStatFile) = NULL;
#if HAVE_SYMLINK
if (!IS_LINK_OPERATION(type)) /* Don't require success for link operation */
#endif
RETURN_FALSE;
}
}
#if HAVE_SYMLINK
if (IS_LINK_OPERATION(type) && !BG(lsb).st_mode) {
/* do lstat if the buffer is empty */
if (VCWD_LSTAT(filename, &BG(lsb)) == -1) {
if (!IS_EXISTS_CHECK(type) || errno != ENOENT) { /* fileexists() test must print no error */
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Lstat failed for %s (errno=%d - %s)", BG(CurrentStatFile), errno, strerror(errno));
}
RETURN_FALSE;
}
}
#endif
#ifndef NETWARE
if (type >= FS_IS_W && type <= FS_IS_X) {
if(BG(sb).st_uid==getuid()) {
rmask=S_IRUSR;
wmask=S_IWUSR;
xmask=S_IXUSR;
} else if(BG(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 *)emalloc(groups*sizeof(gid_t));
n=getgroups(groups, gids);
for(i=0;i<n;i++){
if(BG(sb).st_gid==gids[i]) {
rmask=S_IRGRP;
wmask=S_IWGRP;
xmask=S_IXGRP;
break;
}
}
efree(gids);
}
}
}
#endif
switch (type) {
case FS_PERMS:
RETURN_LONG((long)BG(sb).st_mode);
case FS_INODE:
RETURN_LONG((long)BG(sb).st_ino);
case FS_SIZE:
#if defined(NETWARE) && defined(NEW_LIBC)
RETURN_LONG((long)(stat_sb->st_size));
#else
RETURN_LONG((long)BG(sb).st_size);
#endif
case FS_OWNER:
RETURN_LONG((long)BG(sb).st_uid);
case FS_GROUP:
RETURN_LONG((long)BG(sb).st_gid);
case FS_ATIME:
#if defined(NETWARE) && defined(NEW_LIBC)
RETURN_LONG((long)((stat_sb->st_atime).tv_sec));
#else
RETURN_LONG((long)BG(sb).st_atime);
#endif
case FS_MTIME:
#if defined(NETWARE) && defined(NEW_LIBC)
RETURN_LONG((long)((stat_sb->st_mtime).tv_sec));
#else
RETURN_LONG((long)BG(sb).st_mtime);
#endif
case FS_CTIME:
#if defined(NETWARE) && defined(NEW_LIBC)
RETURN_LONG((long)((stat_sb->st_ctime).tv_sec));
#else
RETURN_LONG((long)BG(sb).st_ctime);
#endif
case FS_TYPE:
#if HAVE_SYMLINK
if (S_ISLNK(BG(lsb).st_mode)) {
RETURN_STRING("link", 1);
}
#endif
switch(BG(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)", BG(sb).st_mode&S_IFMT);
RETURN_STRING("unknown", 1);
case FS_IS_W:
#ifndef NETWARE /* getuid is not available on NetWare */
if (getuid()==0) {
RETURN_TRUE; /* root */
}
#endif /* NETWARE */
RETURN_BOOL((BG(sb).st_mode & wmask) != 0);
case FS_IS_R:
#ifndef NETWARE /* getuid is not available on NetWare */
if (getuid()==0) {
RETURN_TRUE; /* root */
}
#endif /* NETWARE */
RETURN_BOOL((BG(sb).st_mode&rmask)!=0);
case FS_IS_X:
#ifndef NETWARE /* getuid is not available on NetWare */
if (getuid()==0) {
xmask = S_IXROOT; /* root */
}
#endif /* NETWARE */
RETURN_BOOL((BG(sb).st_mode&xmask)!=0 && !S_ISDIR(BG(sb).st_mode));
case FS_IS_FILE:
RETURN_BOOL(S_ISREG(BG(sb).st_mode));
case FS_IS_DIR:
RETURN_BOOL(S_ISDIR(BG(sb).st_mode));
case FS_IS_LINK:
#if HAVE_SYMLINK
RETURN_BOOL(S_ISLNK(BG(lsb).st_mode));
#else
RETURN_FALSE;
#endif
case FS_EXISTS:
RETURN_TRUE; /* the false case was done earlier */
case FS_LSTAT:
#if HAVE_SYMLINK
stat_sb = &BG(lsb);
#endif
/* 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);
#if defined(NETWARE) && defined(NEW_LIBC)
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
*/
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