mirror of
https://github.com/php/php-src.git
synced 2024-11-29 04:46:07 +08:00
430 lines
9.8 KiB
C
430 lines
9.8 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 4 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2002 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.02 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.php.net/license/2_02.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Thies C. Arntzen <thies@thieso.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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/* {{{ includes/startup/misc */
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#include "php.h"
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#include "fopen_wrappers.h"
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#include "file.h"
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#include "php_dir.h"
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#ifdef HAVE_DIRENT_H
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# include <dirent.h>
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#endif
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <errno.h>
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#ifdef PHP_WIN32
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#include "win32/readdir.h"
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#endif
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#ifdef HAVE_GLOB
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#ifndef PHP_WIN32
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#include <glob.h>
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#else
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#include "win32/glob.h"
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#endif
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#endif
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typedef struct {
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int default_dir;
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} php_dir_globals;
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#ifdef ZTS
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#define DIRG(v) TSRMG(dir_globals_id, php_dir_globals *, v)
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int dir_globals_id;
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#else
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#define DIRG(v) (dir_globals.v)
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php_dir_globals dir_globals;
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#endif
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#if 0
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typedef struct {
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int id;
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DIR *dir;
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} php_dir;
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static int le_dirp;
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#endif
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static zend_class_entry *dir_class_entry_ptr;
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#define FETCH_DIRP() \
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if (ZEND_NUM_ARGS() == 0) { \
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myself = getThis(); \
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if (myself) { \
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if (zend_hash_find(Z_OBJPROP_P(myself), "handle", sizeof("handle"), (void **)&tmp) == FAILURE) { \
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to find my handle property"); \
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RETURN_FALSE; \
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} \
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ZEND_FETCH_RESOURCE(dirp, php_stream *, tmp, -1, "Directory", php_file_le_stream()); \
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} else { \
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ZEND_FETCH_RESOURCE(dirp, php_stream *, 0, DIRG(default_dir), "Directory", php_file_le_stream()); \
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} \
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} else if ((ZEND_NUM_ARGS() != 1) || zend_get_parameters_ex(1, &id) == FAILURE) { \
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WRONG_PARAM_COUNT; \
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} else { \
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dirp = (php_stream *) zend_fetch_resource(id TSRMLS_CC, -1, "Directory", NULL, 1, php_file_le_stream()); \
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if(!dirp) \
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RETURN_FALSE; \
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}
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static zend_function_entry php_dir_class_functions[] = {
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PHP_FALIAS(close, closedir, NULL)
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PHP_FALIAS(rewind, rewinddir, NULL)
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PHP_STATIC_FE("read", php_if_readdir, NULL)
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{NULL, NULL, NULL}
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};
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static void php_set_default_dir(int id TSRMLS_DC)
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{
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if (DIRG(default_dir)!=-1) {
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zend_list_delete(DIRG(default_dir));
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}
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if (id != -1) {
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zend_list_addref(id);
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}
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DIRG(default_dir) = id;
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}
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PHP_RINIT_FUNCTION(dir)
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{
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DIRG(default_dir) = -1;
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return SUCCESS;
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}
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PHP_MINIT_FUNCTION(dir)
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{
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static char dirsep_str[2], pathsep_str[2];
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zend_class_entry dir_class_entry;
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INIT_CLASS_ENTRY(dir_class_entry, "Directory", php_dir_class_functions);
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dir_class_entry_ptr = zend_register_internal_class(&dir_class_entry TSRMLS_CC);
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#ifdef ZTS
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ts_allocate_id(&dir_globals_id, sizeof(php_dir_globals), NULL, NULL);
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#endif
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dirsep_str[0] = DEFAULT_SLASH;
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dirsep_str[1] = '\0';
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REGISTER_STRING_CONSTANT("DIRECTORY_SEPARATOR", dirsep_str, CONST_CS|CONST_PERSISTENT);
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pathsep_str[0] = ZEND_PATHS_SEPARATOR;
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pathsep_str[1] = '\0';
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REGISTER_STRING_CONSTANT("PATH_SEPARATOR", pathsep_str, CONST_CS|CONST_PERSISTENT);
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#ifdef HAVE_GLOB
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#ifdef GLOB_BRACE
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REGISTER_LONG_CONSTANT("GLOB_BRACE", GLOB_BRACE, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef GLOB_ONLYDIR
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REGISTER_LONG_CONSTANT("GLOB_ONLYDIR", GLOB_ONLYDIR, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef GLOB_MARK
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REGISTER_LONG_CONSTANT("GLOB_MARK", GLOB_MARK, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef GLOB_NOSORT
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REGISTER_LONG_CONSTANT("GLOB_NOSORT", GLOB_NOSORT, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef GLOB_NOCHECK
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REGISTER_LONG_CONSTANT("GLOB_NOCHECK", GLOB_NOCHECK, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef GLOB_NOESCAPE
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REGISTER_LONG_CONSTANT("GLOB_NOESCAPE", GLOB_NOESCAPE, CONST_CS | CONST_PERSISTENT);
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#endif
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#endif
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return SUCCESS;
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}
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/* }}} */
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/* {{{ internal functions */
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static void _php_do_opendir(INTERNAL_FUNCTION_PARAMETERS, int createobject)
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{
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pval **arg;
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php_stream *dirp;
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if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
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WRONG_PARAM_COUNT;
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}
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convert_to_string_ex(arg);
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dirp = php_stream_opendir(Z_STRVAL_PP(arg), ENFORCE_SAFE_MODE|REPORT_ERRORS, NULL);
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if (dirp == NULL) {
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RETURN_FALSE;
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}
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php_set_default_dir(dirp->rsrc_id TSRMLS_CC);
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if (createobject) {
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object_init_ex(return_value, dir_class_entry_ptr);
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add_property_stringl(return_value, "path", Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), 1);
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add_property_resource(return_value, "handle", dirp->rsrc_id);
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php_stream_auto_cleanup(dirp); /* so we don't get warnings under debug */
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} else {
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php_stream_to_zval(dirp, return_value);
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}
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}
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/* }}} */
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/* {{{ proto mixed opendir(string path)
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Open a directory and return a dir_handle */
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PHP_FUNCTION(opendir)
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{
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_php_do_opendir(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
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}
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/* }}} */
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/* {{{ proto object dir(string directory)
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Directory class with properties, handle and class and methods read, rewind and close */
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PHP_FUNCTION(getdir)
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{
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_php_do_opendir(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
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}
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/* }}} */
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/* {{{ proto void closedir([resource dir_handle])
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Close directory connection identified by the dir_handle */
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PHP_FUNCTION(closedir)
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{
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pval **id, **tmp, *myself;
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php_stream *dirp;
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FETCH_DIRP();
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zend_list_delete(dirp->rsrc_id);
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if (dirp->rsrc_id == DIRG(default_dir)) {
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php_set_default_dir(-1 TSRMLS_CC);
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}
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}
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/* }}} */
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#if defined(HAVE_CHROOT) && !defined(ZTS) && ENABLE_CHROOT_FUNC
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/* {{{ proto bool chroot(string directory)
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Change root directory */
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PHP_FUNCTION(chroot)
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{
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char *str;
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int ret, str_len;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &str, &str_len) == FAILURE) {
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RETURN_FALSE;
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}
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ret = chroot(str);
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if (ret != 0) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s (errno %d)", strerror(errno), errno);
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RETURN_FALSE;
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}
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ret = chdir("/");
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if (ret != 0) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s (errno %d)", strerror(errno), errno);
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RETURN_FALSE;
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}
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RETURN_TRUE;
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}
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/* }}} */
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#endif
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/* {{{ proto bool chdir(string directory)
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Change the current directory */
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PHP_FUNCTION(chdir)
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{
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char *str;
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int ret, str_len;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &str, &str_len) == FAILURE) {
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RETURN_FALSE;
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}
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if (PG(safe_mode) && !php_checkuid(str, NULL, CHECKUID_ALLOW_ONLY_FILE)) {
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RETURN_FALSE;
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}
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ret = VCWD_CHDIR(str);
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if (ret != 0) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s (errno %d)", strerror(errno), errno);
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RETURN_FALSE;
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}
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RETURN_TRUE;
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}
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/* }}} */
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/* {{{ proto mixed getcwd(void)
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Gets the current directory */
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PHP_FUNCTION(getcwd)
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{
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char path[MAXPATHLEN];
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char *ret=NULL;
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if (ZEND_NUM_ARGS() != 0) {
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WRONG_PARAM_COUNT;
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}
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#if HAVE_GETCWD
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ret = VCWD_GETCWD(path, MAXPATHLEN);
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#elif HAVE_GETWD
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ret = VCWD_GETWD(path);
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/*
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* #warning is not ANSI C
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* #else
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* #warning no proper getcwd support for your site
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*/
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#endif
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if (ret) {
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RETURN_STRING(path, 1);
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} else {
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RETURN_FALSE;
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}
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}
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/* }}} */
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/* {{{ proto void rewinddir([resource dir_handle])
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Rewind dir_handle back to the start */
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PHP_FUNCTION(rewinddir)
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{
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pval **id, **tmp, *myself;
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php_stream *dirp;
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FETCH_DIRP();
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php_stream_rewinddir(dirp);
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}
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/* }}} */
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/* {{{ proto string readdir([resource dir_handle])
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Read directory entry from dir_handle */
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PHP_NAMED_FUNCTION(php_if_readdir)
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{
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pval **id, **tmp, *myself;
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php_stream *dirp;
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php_stream_dirent entry;
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FETCH_DIRP();
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if (php_stream_readdir(dirp, &entry)) {
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RETURN_STRINGL(entry.d_name, strlen(entry.d_name), 1);
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}
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RETURN_FALSE;
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}
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/* }}} */
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#ifdef HAVE_GLOB
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/* {{{ proto array glob(string pattern [, int flags])
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Find pathnames matching a pattern */
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PHP_FUNCTION(glob)
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{
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char cwd[MAXPATHLEN];
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int cwd_skip = 0;
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#ifdef ZTS
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char work_pattern[MAXPATHLEN];
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char *result;
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#endif
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char *pattern = NULL;
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int pattern_len;
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long flags = 0;
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glob_t globbuf;
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int n, ret;
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if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &pattern, &pattern_len, &flags) == FAILURE)
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return;
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#ifdef ZTS
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if(!IS_ABSOLUTE_PATH(pattern, pattern_len)) {
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result = VCWD_GETCWD(cwd, MAXPATHLEN);
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if (!result) {
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cwd[0] = '\0';
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}
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cwd_skip = strlen(cwd)+1;
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snprintf(work_pattern, MAXPATHLEN, "%s/%s", cwd, pattern);
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pattern = work_pattern;
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}
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#endif
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globbuf.gl_offs = 0;
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if (0 != (ret = glob(pattern, flags, NULL, &globbuf))) {
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#ifdef GLOB_NOMATCH
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if (GLOB_NOMATCH == ret) {
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/* Linux handles no matches as an error condition, but FreeBSD
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* doesn't. This ensure that if no match is found, an empty array
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* is always returned so it can be used without worrying in e.g.
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* foreach() */
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array_init(return_value);
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return;
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}
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#endif
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RETURN_FALSE;
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}
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/* we assume that any glob pattern will match files from one directory only
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so checking the dirname of the first match should be sufficient */
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strncpy(cwd, globbuf.gl_pathv[0], MAXPATHLEN);
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if (PG(safe_mode) && (!php_checkuid(cwd, NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
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RETURN_FALSE;
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}
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if(php_check_open_basedir(cwd TSRMLS_CC)) {
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RETURN_FALSE;
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}
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array_init(return_value);
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for (n = 0; n < globbuf.gl_pathc; n++) {
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add_next_index_string(return_value, globbuf.gl_pathv[n]+cwd_skip, 1);
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}
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globfree(&globbuf);
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}
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/* }}} */
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#endif
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: sw=4 ts=4 fdm=marker
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* vim<600: sw=4 ts=4
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*/
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