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|
/*
+----------------------------------------------------------------------+
| PHP HTML Embedded Scripting Language Version 3.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2000 PHP Development Team (See Credits file) |
+----------------------------------------------------------------------+
| This program is free software; you can redistribute it and/or modify |
| it under the terms of one of the following licenses: |
| |
| A) the GNU General Public License as published by the Free Software |
| Foundation; either version 2 of the License, or (at your option) |
| any later version. |
| |
| B) the PHP License as published by the PHP Development Team and |
| included in the distribution in the file: LICENSE |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of both licenses referred to here. |
| If you did not, or have any questions about PHP licensing, please |
| contact core@php.net. |
+----------------------------------------------------------------------+
| Authors: |
+----------------------------------------------------------------------+
*/
/* $Id: dir.c,v 1.62 2000/02/20 20:16:31 eschmid Exp $ */
#include "php.h"
#include "internal_functions.h"
#include "fopen-wrappers.h"
#include "php3_list.h"
#include "php3_dir.h"
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <errno.h>
#if MSVC5
#if !(APACHE)
#define NEEDRDH 1
#endif
#include "win32/readdir.h"
#endif
static int dirp_id = 0;
static int le_dirp;
function_entry php3_dir_functions[] = {
{"opendir", php3_opendir, NULL},
{"closedir", php3_closedir, NULL},
{"chdir", php3_chdir, NULL},
{"rewinddir", php3_rewinddir, NULL},
{"readdir", php3_readdir, NULL},
{"dir", php3_getdir, NULL},
{NULL, NULL, NULL}
};
php3_module_entry php3_dir_module_entry = {
"PHP_dir", php3_dir_functions, php3_minit_dir, NULL, NULL, NULL, NULL, STANDARD_MODULE_PROPERTIES
};
static void php3i_destructor_closedir(DIR *dir) {
(void)closedir(dir);
}
int php3_minit_dir(INIT_FUNC_ARGS)
{
TLS_VARS;
GLOBAL(le_dirp) = register_list_destructors(php3i_destructor_closedir,NULL);
return SUCCESS;
}
/* {{{ proto int opendir(string path)
Open a directory and return a dir_handle */
void php3_opendir(INTERNAL_FUNCTION_PARAMETERS)
{
pval *arg;
DIR *dirp;
int ret;
TLS_VARS;
if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string(arg);
/* Check open_basedir */
if (_php3_check_open_basedir(arg->value.str.val)) RETURN_FALSE;
dirp = opendir(arg->value.str.val);
if (!dirp) {
php3_error(E_WARNING, "OpenDir: %s (errno %d)", strerror(errno),errno);
RETURN_FALSE;
}
ret = php3_list_insert(dirp, GLOBAL(le_dirp));
GLOBAL(dirp_id) = ret;
RETURN_LONG(ret);
}
/* }}} */
/* {{{ proto void closedir([int dir_handle])
Close directory connection identified by the dir_handle */
void php3_closedir(INTERNAL_FUNCTION_PARAMETERS)
{
pval *id, *tmp;
int id_to_find;
DIR *dirp;
int dirp_type;
TLS_VARS;
if (ARG_COUNT(ht) == 0) {
if (getThis(&id) == SUCCESS) {
if (_php3_hash_find(id->value.ht, "handle", sizeof("handle"), (void **)&tmp) == FAILURE) {
php3_error(E_WARNING, "unable to find my handle property");
RETURN_FALSE;
}
id_to_find = tmp->value.lval;
} else {
id_to_find = GLOBAL(dirp_id);
}
} else if ((ARG_COUNT(ht) != 1) || getParameters(ht, 1, &id) == FAILURE) {
WRONG_PARAM_COUNT;
} else {
convert_to_long(id);
id_to_find = id->value.lval;
}
dirp = (DIR *)php3_list_find(id_to_find, &dirp_type);
if (!dirp || dirp_type != GLOBAL(le_dirp)) {
php3_error(E_WARNING, "unable to find identifier (%d)", id_to_find);
RETURN_FALSE;
}
php3_list_delete(id_to_find);
}
/* }}} */
/* {{{ proto int chdir(string directory)
Change the current directory */
void php3_chdir(INTERNAL_FUNCTION_PARAMETERS)
{
pval *arg;
int ret;
TLS_VARS;
if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string(arg);
ret = chdir(arg->value.str.val);
if (ret < 0) {
php3_error(E_WARNING, "ChDir: %s (errno %d)", strerror(errno), errno);
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto void rewinddir([int dir_handle])
Rewind dir_handle back to the start */
void php3_rewinddir(INTERNAL_FUNCTION_PARAMETERS)
{
pval *id, *tmp;
int id_to_find;
DIR *dirp;
int dirp_type;
TLS_VARS;
if (ARG_COUNT(ht) == 0) {
if (getThis(&id) == SUCCESS) {
if (_php3_hash_find(id->value.ht, "handle", sizeof("handle"), (void **)&tmp) == FAILURE) {
php3_error(E_WARNING, "unable to find my handle property");
RETURN_FALSE;
}
id_to_find = tmp->value.lval;
} else {
id_to_find = GLOBAL(dirp_id);
}
} else if ((ARG_COUNT(ht) != 1) || getParameters(ht, 1, &id) == FAILURE) {
WRONG_PARAM_COUNT;
} else {
convert_to_long(id);
id_to_find = id->value.lval;
}
dirp = (DIR *)php3_list_find(id_to_find, &dirp_type);
if (!dirp || dirp_type != GLOBAL(le_dirp)) {
php3_error(E_WARNING, "unable to find identifier (%d)", id_to_find);
RETURN_FALSE;
}
rewinddir(dirp);
}
/* }}} */
/* {{{ proto string readdir([int dir_handle])
Read directory entry from dir_handle */
void php3_readdir(INTERNAL_FUNCTION_PARAMETERS)
{
pval *id, *tmp;
int id_to_find;
DIR *dirp;
int dirp_type;
struct dirent *direntp;
TLS_VARS;
if (ARG_COUNT(ht) == 0) {
if (getThis(&id) == SUCCESS) {
if (_php3_hash_find(id->value.ht, "handle", sizeof("handle"), (void **)&tmp) == FAILURE) {
php3_error(E_WARNING, "unable to find my handle property");
RETURN_FALSE;
}
id_to_find = tmp->value.lval;
} else {
id_to_find = GLOBAL(dirp_id);
}
} else if ((ARG_COUNT(ht) != 1) || getParameters(ht, 1, &id) == FAILURE) {
WRONG_PARAM_COUNT;
} else {
convert_to_long(id);
id_to_find = id->value.lval;
}
dirp = (DIR *)php3_list_find(id_to_find, &dirp_type);
if (!dirp || dirp_type != GLOBAL(le_dirp)) {
php3_error(E_WARNING, "unable to find identifier (%d)", id_to_find);
RETURN_FALSE;
}
direntp = readdir(dirp);
if (direntp) {
RETURN_STRINGL(direntp->d_name, strlen(direntp->d_name), 1);
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto class dir(string directory)
Directory class with properties, handle and class and methods read, rewind and close */
void php3_getdir(INTERNAL_FUNCTION_PARAMETERS) {
pval *arg;
DIR *dirp;
int ret;
TLS_VARS;
if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string(arg);
/* Check open_basedir */
if (_php3_check_open_basedir(arg->value.str.val)) RETURN_FALSE;
dirp = opendir(arg->value.str.val);
if (!dirp) {
php3_error(E_WARNING, "OpenDir: %s (errno %d)", strerror(errno), errno);
RETURN_FALSE;
}
ret = php3_list_insert(dirp, GLOBAL(le_dirp));
GLOBAL(dirp_id) = ret;
/* construct an object with some methods */
object_init(return_value);
add_property_long(return_value, "handle", ret);
add_property_stringl(return_value, "path", arg->value.str.val, arg->value.str.len, 1);
add_method(return_value, "read", php3_readdir);
add_method(return_value, "rewind", php3_rewinddir);
add_method(return_value, "close", php3_closedir);
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
|
