1999-04-22 00:25:57 +00:00
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/*
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+----------------------------------------------------------------------+
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2014-09-19 16:33:14 +00:00
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| PHP Version 7 |
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1999-04-22 00:25:57 +00:00
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+----------------------------------------------------------------------+
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2015-01-15 15:27:30 +00:00
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| Copyright (c) 1997-2015 The PHP Group |
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1999-04-22 00:25:57 +00:00
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+----------------------------------------------------------------------+
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2006-01-01 12:51:34 +00:00
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| This source file is subject to version 3.01 of the PHP license, |
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1999-07-16 13:13:16 +00:00
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| that is bundled with this package in the file LICENSE, and is |
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2003-06-10 20:04:29 +00:00
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| available through the world-wide-web at the following url: |
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2006-01-01 12:51:34 +00:00
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| http://www.php.net/license/3_01.txt |
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1999-07-16 13:13:16 +00:00
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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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1999-04-22 00:25:57 +00:00
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+----------------------------------------------------------------------+
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| Authors: Brian Schaffner <brian@tool.net> |
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| Shane Caraveo <shane@caraveo.com> |
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| Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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2000-07-24 01:40:02 +00:00
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*/
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/* $Id$ */
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1999-04-22 00:25:57 +00:00
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|
|
#include "php.h"
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#include "dl.h"
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#include "php_globals.h"
|
2005-07-29 13:25:33 +00:00
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#include "php_ini.h"
|
2000-04-05 21:43:03 +00:00
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#include "ext/standard/info.h"
|
2005-07-29 13:25:33 +00:00
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|
2000-06-26 18:27:12 +00:00
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#include "SAPI.h"
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2000-11-06 06:31:00 +00:00
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|
|
2009-08-06 01:33:54 +00:00
|
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#if defined(HAVE_LIBDL)
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1999-04-22 00:25:57 +00:00
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|
#include <stdlib.h>
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#include <stdio.h>
|
2002-09-05 14:25:07 +00:00
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|
#ifdef HAVE_STRING_H
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1999-04-22 00:25:57 +00:00
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#include <string.h>
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#else
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#include <strings.h>
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#endif
|
2000-02-11 15:59:30 +00:00
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|
#ifdef PHP_WIN32
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1999-04-22 00:25:57 +00:00
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#include "win32/param.h"
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#include "win32/winutil.h"
|
2000-06-12 20:22:17 +00:00
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#define GET_DL_ERROR() php_win_err()
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2002-09-05 14:25:07 +00:00
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#elif defined(NETWARE)
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#include <sys/param.h>
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#define GET_DL_ERROR() dlerror()
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1999-04-22 00:25:57 +00:00
|
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|
#else
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#include <sys/param.h>
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2002-04-04 00:24:34 +00:00
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#define GET_DL_ERROR() DL_ERROR()
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1999-04-22 00:25:57 +00:00
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#endif
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2009-08-06 01:33:54 +00:00
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#endif /* defined(HAVE_LIBDL) */
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1999-04-22 00:25:57 +00:00
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/* {{{ proto int dl(string extension_filename)
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Load a PHP extension at runtime */
|
2009-01-07 13:02:43 +00:00
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PHPAPI PHP_FUNCTION(dl)
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1999-04-22 00:25:57 +00:00
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{
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2008-05-16 12:18:43 +00:00
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char *filename;
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2014-08-27 13:31:48 +00:00
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size_t filename_len;
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1999-04-22 00:25:57 +00:00
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2014-12-13 22:06:14 +00:00
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if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &filename, &filename_len) == FAILURE) {
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2007-11-09 13:49:15 +00:00
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return;
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2004-05-25 13:25:22 +00:00
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}
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2005-06-16 15:36:39 +00:00
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if (!PG(enable_dl)) {
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2014-12-13 22:06:14 +00:00
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php_error_docref(NULL, E_WARNING, "Dynamically loaded extensions aren't enabled");
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2005-06-16 15:36:39 +00:00
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RETURN_FALSE;
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}
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|
2008-05-16 12:18:43 +00:00
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if (filename_len >= MAXPATHLEN) {
|
2014-12-13 22:06:14 +00:00
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php_error_docref(NULL, E_WARNING, "File name exceeds the maximum allowed length of %d characters", MAXPATHLEN);
|
2007-09-18 20:19:34 +00:00
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RETURN_FALSE;
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}
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|
2014-12-13 22:06:14 +00:00
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php_dl(filename, MODULE_TEMPORARY, return_value, 0);
|
2014-08-25 17:24:55 +00:00
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|
if (Z_LVAL_P(return_value) == 1) {
|
2008-02-28 16:59:10 +00:00
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|
EG(full_tables_cleanup) = 1;
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}
|
1999-04-22 00:25:57 +00:00
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|
}
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/* }}} */
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2009-08-06 01:33:54 +00:00
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#if defined(HAVE_LIBDL)
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1999-04-22 00:25:57 +00:00
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2000-03-11 16:23:30 +00:00
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#ifdef ZTS
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#define USING_ZTS 1
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#else
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#define USING_ZTS 0
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#endif
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|
2011-09-07 13:46:45 +00:00
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/* {{{ php_load_extension
|
2008-02-23 17:06:22 +00:00
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*/
|
2014-12-13 22:06:14 +00:00
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|
PHPAPI int php_load_extension(char *filename, int type, int start_now)
|
1999-04-22 00:25:57 +00:00
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{
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void *handle;
|
2000-03-07 03:43:03 +00:00
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char *libpath;
|
2004-05-25 13:51:00 +00:00
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zend_module_entry *module_entry;
|
1999-12-17 20:55:31 +00:00
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zend_module_entry *(*get_module)(void);
|
2000-06-12 20:22:17 +00:00
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int error_type;
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2000-06-12 21:01:03 +00:00
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char *extension_dir;
|
2000-05-02 14:44:08 +00:00
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|
2005-07-29 13:25:33 +00:00
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if (type == MODULE_PERSISTENT) {
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extension_dir = INI_STR("extension_dir");
|
2000-06-12 21:01:03 +00:00
|
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} else {
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extension_dir = PG(extension_dir);
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}
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|
2005-07-29 13:25:33 +00:00
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if (type == MODULE_TEMPORARY) {
|
2000-06-12 20:22:17 +00:00
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|
error_type = E_WARNING;
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|
} else {
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|
error_type = E_CORE_WARNING;
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|
}
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|
2007-11-09 16:27:43 +00:00
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|
/* Check if passed filename contains directory separators */
|
|
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|
if (strchr(filename, '/') != NULL || strchr(filename, DEFAULT_SLASH) != NULL) {
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|
|
/* Passing modules with full path is not supported for dynamically loaded extensions */
|
2007-09-13 07:42:12 +00:00
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|
if (type == MODULE_TEMPORARY) {
|
2014-12-13 22:06:14 +00:00
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php_error_docref(NULL, E_WARNING, "Temporary module name should contain only filename");
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2007-11-09 16:27:43 +00:00
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return FAILURE;
|
2007-09-13 00:56:31 +00:00
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}
|
2007-11-09 16:27:43 +00:00
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|
libpath = estrdup(filename);
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|
} else if (extension_dir && extension_dir[0]) {
|
2014-10-22 17:49:53 +00:00
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|
int extension_dir_len = (int)strlen(extension_dir);
|
2007-09-13 00:56:31 +00:00
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|
2000-06-12 21:01:03 +00:00
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|
if (IS_SLASH(extension_dir[extension_dir_len-1])) {
|
2007-11-09 13:49:15 +00:00
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spprintf(&libpath, 0, "%s%s", extension_dir, filename); /* SAFE */
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2000-06-09 00:43:43 +00:00
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} else {
|
2007-11-09 13:49:15 +00:00
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spprintf(&libpath, 0, "%s%c%s", extension_dir, DEFAULT_SLASH, filename); /* SAFE */
|
2000-06-09 00:43:43 +00:00
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}
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1999-04-22 00:25:57 +00:00
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} else {
|
2007-11-09 16:27:43 +00:00
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|
return FAILURE; /* Not full path given or extension_dir is not set */
|
1999-04-22 00:25:57 +00:00
|
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|
}
|
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/* load dynamic symbol */
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2000-02-10 19:41:21 +00:00
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handle = DL_LOAD(libpath);
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1999-04-22 00:25:57 +00:00
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|
if (!handle) {
|
2009-10-21 06:42:08 +00:00
|
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|
#if PHP_WIN32
|
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char *err = GET_DL_ERROR();
|
2014-08-14 19:53:27 +00:00
|
|
|
if (err && (*err != '\0')) {
|
2014-12-13 22:06:14 +00:00
|
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|
php_error_docref(NULL, error_type, "Unable to load dynamic library '%s' - %s", libpath, err);
|
2009-10-21 06:42:08 +00:00
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|
LocalFree(err);
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} else {
|
2014-12-13 22:06:14 +00:00
|
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|
php_error_docref(NULL, error_type, "Unable to load dynamic library '%s' - %s", libpath, "Unknown reason");
|
2009-10-21 06:42:08 +00:00
|
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|
}
|
|
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|
#else
|
2014-12-13 22:06:14 +00:00
|
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|
php_error_docref(NULL, error_type, "Unable to load dynamic library '%s' - %s", libpath, GET_DL_ERROR());
|
2003-12-17 11:20:35 +00:00
|
|
|
GET_DL_ERROR(); /* free the buffer storing the error */
|
2009-10-21 06:42:08 +00:00
|
|
|
#endif
|
2000-03-07 03:43:03 +00:00
|
|
|
efree(libpath);
|
2007-11-09 16:27:43 +00:00
|
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|
return FAILURE;
|
1999-04-22 00:25:57 +00:00
|
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|
}
|
2000-03-07 03:43:03 +00:00
|
|
|
efree(libpath);
|
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|
|
|
2000-03-30 01:21:03 +00:00
|
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|
get_module = (zend_module_entry *(*)(void)) DL_FETCH_SYMBOL(handle, "get_module");
|
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|
|
|
2007-11-09 13:49:15 +00:00
|
|
|
/* Some OS prepend _ to symbol names while their dynamic linker
|
2000-03-30 01:21:03 +00:00
|
|
|
* does not do that automatically. Thus we check manually for
|
2007-11-09 13:49:15 +00:00
|
|
|
* _get_module. */
|
2000-03-30 01:21:03 +00:00
|
|
|
|
2007-11-09 13:49:15 +00:00
|
|
|
if (!get_module) {
|
2000-03-30 01:21:03 +00:00
|
|
|
get_module = (zend_module_entry *(*)(void)) DL_FETCH_SYMBOL(handle, "_get_module");
|
2007-11-09 13:49:15 +00:00
|
|
|
}
|
2000-03-30 01:21:03 +00:00
|
|
|
|
1999-04-22 00:25:57 +00:00
|
|
|
if (!get_module) {
|
2013-04-03 08:59:37 +00:00
|
|
|
if (DL_FETCH_SYMBOL(handle, "zend_extension_entry") || DL_FETCH_SYMBOL(handle, "_zend_extension_entry")) {
|
|
|
|
DL_UNLOAD(handle);
|
2014-12-13 22:06:14 +00:00
|
|
|
php_error_docref(NULL, error_type, "Invalid library (appears to be a Zend Extension, try loading using zend_extension=%s from php.ini)", filename);
|
2013-04-03 08:59:37 +00:00
|
|
|
return FAILURE;
|
|
|
|
}
|
2000-02-10 19:41:21 +00:00
|
|
|
DL_UNLOAD(handle);
|
2014-12-13 22:06:14 +00:00
|
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|
php_error_docref(NULL, error_type, "Invalid library (maybe not a PHP library) '%s'", filename);
|
2007-11-09 16:27:43 +00:00
|
|
|
return FAILURE;
|
1999-04-22 00:25:57 +00:00
|
|
|
}
|
|
|
|
module_entry = get_module();
|
2009-01-17 02:05:13 +00:00
|
|
|
if (module_entry->zend_api != ZEND_MODULE_API_NO) {
|
2014-12-13 22:06:14 +00:00
|
|
|
php_error_docref(NULL, error_type,
|
2007-11-09 13:49:15 +00:00
|
|
|
"%s: Unable to initialize module\n"
|
2009-01-17 02:05:13 +00:00
|
|
|
"Module compiled with module API=%d\n"
|
|
|
|
"PHP compiled with module API=%d\n"
|
2007-11-09 13:49:15 +00:00
|
|
|
"These options need to match\n",
|
2015-01-09 14:07:04 +00:00
|
|
|
module_entry->name, module_entry->zend_api, ZEND_MODULE_API_NO);
|
2002-03-23 15:37:27 +00:00
|
|
|
DL_UNLOAD(handle);
|
2007-11-09 16:27:43 +00:00
|
|
|
return FAILURE;
|
2000-03-11 16:23:30 +00:00
|
|
|
}
|
2009-01-17 02:05:13 +00:00
|
|
|
if(strcmp(module_entry->build_id, ZEND_MODULE_BUILD_ID)) {
|
2014-12-13 22:06:14 +00:00
|
|
|
php_error_docref(NULL, error_type,
|
2009-01-17 02:05:13 +00:00
|
|
|
"%s: Unable to initialize module\n"
|
|
|
|
"Module compiled with build ID=%s\n"
|
|
|
|
"PHP compiled with build ID=%s\n"
|
|
|
|
"These options need to match\n",
|
|
|
|
module_entry->name, module_entry->build_id, ZEND_MODULE_BUILD_ID);
|
|
|
|
DL_UNLOAD(handle);
|
|
|
|
return FAILURE;
|
|
|
|
}
|
2004-05-18 16:13:57 +00:00
|
|
|
module_entry->type = type;
|
1999-04-22 00:25:57 +00:00
|
|
|
module_entry->module_number = zend_next_free_module();
|
2004-07-20 19:23:55 +00:00
|
|
|
module_entry->handle = handle;
|
|
|
|
|
2014-12-13 22:06:14 +00:00
|
|
|
if ((module_entry = zend_register_module_ex(module_entry)) == NULL) {
|
2004-05-21 17:08:36 +00:00
|
|
|
DL_UNLOAD(handle);
|
2007-11-09 16:27:43 +00:00
|
|
|
return FAILURE;
|
1999-04-22 00:25:57 +00:00
|
|
|
}
|
2004-05-21 17:17:55 +00:00
|
|
|
|
2014-12-13 22:06:14 +00:00
|
|
|
if ((type == MODULE_TEMPORARY || start_now) && zend_startup_module_ex(module_entry) == FAILURE) {
|
2005-06-17 09:39:23 +00:00
|
|
|
DL_UNLOAD(handle);
|
2007-11-09 16:27:43 +00:00
|
|
|
return FAILURE;
|
2005-06-17 09:39:23 +00:00
|
|
|
}
|
|
|
|
|
2005-08-08 16:49:44 +00:00
|
|
|
if ((type == MODULE_TEMPORARY || start_now) && module_entry->request_startup_func) {
|
2014-12-13 22:06:14 +00:00
|
|
|
if (module_entry->request_startup_func(type, module_entry->module_number) == FAILURE) {
|
|
|
|
php_error_docref(NULL, error_type, "Unable to initialize module '%s'", module_entry->name);
|
2004-05-21 17:17:55 +00:00
|
|
|
DL_UNLOAD(handle);
|
2007-11-09 16:27:43 +00:00
|
|
|
return FAILURE;
|
2004-05-21 17:17:55 +00:00
|
|
|
}
|
|
|
|
}
|
2007-11-09 16:27:43 +00:00
|
|
|
return SUCCESS;
|
|
|
|
}
|
|
|
|
/* }}} */
|
|
|
|
|
|
|
|
/* {{{ php_dl
|
|
|
|
*/
|
2014-12-13 22:06:14 +00:00
|
|
|
PHPAPI void php_dl(char *file, int type, zval *return_value, int start_now)
|
2007-11-09 16:27:43 +00:00
|
|
|
{
|
|
|
|
/* Load extension */
|
2014-12-13 22:06:14 +00:00
|
|
|
if (php_load_extension(file, type, start_now) == FAILURE) {
|
2007-11-09 16:27:43 +00:00
|
|
|
RETVAL_FALSE;
|
|
|
|
} else {
|
|
|
|
RETVAL_TRUE;
|
|
|
|
}
|
1999-04-22 00:25:57 +00:00
|
|
|
}
|
2001-06-06 13:06:12 +00:00
|
|
|
/* }}} */
|
1999-04-24 00:12:00 +00:00
|
|
|
|
1999-07-26 20:09:08 +00:00
|
|
|
PHP_MINFO_FUNCTION(dl)
|
1999-04-24 00:12:00 +00:00
|
|
|
{
|
2001-07-30 06:18:13 +00:00
|
|
|
php_info_print_table_row(2, "Dynamic Library Support", "enabled");
|
1999-04-22 00:25:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
2014-12-13 22:06:14 +00:00
|
|
|
PHPAPI void php_dl(char *file, int type, zval *return_value, int start_now)
|
1999-04-22 00:25:57 +00:00
|
|
|
{
|
2014-12-13 22:06:14 +00:00
|
|
|
php_error_docref(NULL, E_WARNING, "Cannot dynamically load %s - dynamic modules are not supported", file);
|
1999-04-22 00:25:57 +00:00
|
|
|
RETURN_FALSE;
|
|
|
|
}
|
|
|
|
|
2000-03-06 20:37:11 +00:00
|
|
|
PHP_MINFO_FUNCTION(dl)
|
|
|
|
{
|
2001-10-06 20:13:39 +00:00
|
|
|
PUTS("Dynamic Library support not available<br />.\n");
|
2000-03-06 20:37:11 +00:00
|
|
|
}
|
|
|
|
|
1999-04-22 00:25:57 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 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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2001-09-09 13:29:31 +00:00
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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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1999-04-22 00:25:57 +00:00
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*/
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