diff options
Diffstat (limited to 'ext/standard/dl.c')
| -rw-r--r-- | ext/standard/dl.c | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/ext/standard/dl.c b/ext/standard/dl.c deleted file mode 100644 index 6152f56deb..0000000000 --- a/ext/standard/dl.c +++ /dev/null @@ -1,269 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP Version 4 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997-2002 The PHP Group | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.02 of the PHP license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.php.net/license/2_02.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. | - +----------------------------------------------------------------------+ - | Authors: Brian Schaffner <brian@tool.net> | - | Shane Caraveo <shane@caraveo.com> | - | Zeev Suraski <zeev@zend.com> | - +----------------------------------------------------------------------+ -*/ - -/* $Id$ */ - -#include "php.h" -#include "dl.h" -#include "php_globals.h" -#include "ext/standard/info.h" -#include "SAPI.h" - -#ifndef PHP_WIN32 -#include "build-defs.h" -#endif - -#if defined(HAVE_LIBDL) || HAVE_MACH_O_DYLD_H -#include <stdlib.h> -#include <stdio.h> - -#if HAVE_STRING_H -#include <string.h> -#else -#include <strings.h> -#endif -#ifdef PHP_WIN32 -#include "win32/param.h" -#include "win32/winutil.h" -#define GET_DL_ERROR() php_win_err() -#else -#include <sys/param.h> -#define GET_DL_ERROR() DL_ERROR() -#endif - -#endif /* defined(HAVE_LIBDL) || HAVE_MACH_O_DYLD_H */ - - -/* {{{ proto int dl(string extension_filename) - Load a PHP extension at runtime */ -PHP_FUNCTION(dl) -{ - pval **file; - -#ifdef ZTS - if ((strcmp(sapi_module.name, "cgi")!=0) && (strcmp(sapi_module.name, "cli")!=0)) { - php_error(E_ERROR, "dl() is not supported in multithreaded Web servers - use extension statements in your php.ini"); - } -#endif - - /* obtain arguments */ - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &file) == FAILURE) { - WRONG_PARAM_COUNT; - } - - convert_to_string_ex(file); - - if (!PG(enable_dl)) { - php_error(E_ERROR, "Dynamically loaded extentions aren't enabled."); - } else if (PG(safe_mode)) { - php_error(E_ERROR, "Dynamically loaded extensions aren't allowed when running in SAFE MODE."); - } else { - php_dl(*file, MODULE_TEMPORARY, return_value TSRMLS_CC); - EG(full_tables_cleanup) = 1; - } -} - -/* }}} */ - - -#if defined(HAVE_LIBDL) || HAVE_MACH_O_DYLD_H - -#ifdef ZTS -#define USING_ZTS 1 -#else -#define USING_ZTS 0 -#endif - -/* {{{ php_dl - */ -void php_dl(pval *file, int type, pval *return_value TSRMLS_DC) -{ - void *handle; - char *libpath; - zend_module_entry *module_entry, *tmp; - zend_module_entry *(*get_module)(void); - int error_type; - char *extension_dir; - - if (type==MODULE_PERSISTENT) { - /* Use the configuration hash directly, the INI mechanism is not yet initialized */ - if (cfg_get_string("extension_dir", &extension_dir)==FAILURE) { - extension_dir = PHP_EXTENSION_DIR; - } - } else { - extension_dir = PG(extension_dir); - } - - if (type==MODULE_TEMPORARY) { - error_type = E_WARNING; - } else { - error_type = E_CORE_WARNING; - } - - if (extension_dir && extension_dir[0]){ - int extension_dir_len = strlen(extension_dir); - - libpath = emalloc(extension_dir_len+Z_STRLEN_P(file)+2); - - if (IS_SLASH(extension_dir[extension_dir_len-1])) { - sprintf(libpath, "%s%s", extension_dir, Z_STRVAL_P(file)); /* SAFE */ - } else { - sprintf(libpath, "%s/%s", extension_dir, Z_STRVAL_P(file)); /* SAFE */ - } - } else { - libpath = estrndup(Z_STRVAL_P(file), Z_STRLEN_P(file)); - } - - /* load dynamic symbol */ - handle = DL_LOAD(libpath); - if (!handle) { - php_error(error_type, "Unable to load dynamic library '%s' - %s", libpath, GET_DL_ERROR()); - efree(libpath); - RETURN_FALSE; - } - - efree(libpath); - - - get_module = (zend_module_entry *(*)(void)) DL_FETCH_SYMBOL(handle, "get_module"); - - /* - * some OS prepend _ to symbol names while their dynamic linker - * does not do that automatically. Thus we check manually for - * _get_module. - */ - - if (!get_module) - get_module = (zend_module_entry *(*)(void)) DL_FETCH_SYMBOL(handle, "_get_module"); - - if (!get_module) { - DL_UNLOAD(handle); - php_error(error_type, "Invalid library (maybe not a PHP library) '%s' ", Z_STRVAL_P(file)); - RETURN_FALSE; - } - module_entry = get_module(); - if ((module_entry->zend_debug != ZEND_DEBUG) || (module_entry->zts != USING_ZTS) - || (module_entry->zend_api != ZEND_MODULE_API_NO)) { - /* Check for pre-4.1.0 module which has a slightly different module_entry structure :( */ - struct pre_4_1_0_module_entry { - char *name; - zend_function_entry *functions; - int (*module_startup_func)(INIT_FUNC_ARGS); - int (*module_shutdown_func)(SHUTDOWN_FUNC_ARGS); - int (*request_startup_func)(INIT_FUNC_ARGS); - int (*request_shutdown_func)(SHUTDOWN_FUNC_ARGS); - void (*info_func)(ZEND_MODULE_INFO_FUNC_ARGS); - int (*global_startup_func)(void); - int (*global_shutdown_func)(void); - int globals_id; - int module_started; - unsigned char type; - void *handle; - int module_number; - unsigned char zend_debug; - unsigned char zts; - unsigned int zend_api; - }; - - char *name; - int zend_api; - unsigned char zend_debug, zts; - - if(( ((struct pre_4_1_0_module_entry *)module_entry)->zend_api > 20000000) - &&(((struct pre_4_1_0_module_entry *)module_entry)->zend_api < 20010901)) { - name = ((struct pre_4_1_0_module_entry *)module_entry)->name; - zend_api = ((struct pre_4_1_0_module_entry *)module_entry)->zend_api; - zend_debug = ((struct pre_4_1_0_module_entry *)module_entry)->zend_debug; - zts = ((struct pre_4_1_0_module_entry *)module_entry)->zts; - } else { - name = module_entry->name; - zend_api = module_entry->zend_api; - zend_debug = module_entry->zend_debug; - zts = module_entry->zts; - } - - php_error(error_type, - "%s: Unable to initialize module\n" - "Module compiled with module API=%d, debug=%d, thread-safety=%d\n" - "PHP compiled with module API=%d, debug=%d, thread-safety=%d\n" - "These options need to match\n", - name, zend_api, zend_debug, zts, - ZEND_MODULE_API_NO, ZEND_DEBUG, USING_ZTS); - DL_UNLOAD(handle); - RETURN_FALSE; - } - Z_TYPE_P(module_entry) = type; - module_entry->module_number = zend_next_free_module(); - if (module_entry->module_startup_func) { - if (module_entry->module_startup_func(type, module_entry->module_number TSRMLS_CC)==FAILURE) { - php_error(error_type, "%s: Unable to initialize module", module_entry->name); - DL_UNLOAD(handle); - RETURN_FALSE; - } - } - zend_register_module(module_entry); - - if ((type == MODULE_TEMPORARY) && module_entry->request_startup_func) { - if (module_entry->request_startup_func(type, module_entry->module_number TSRMLS_CC)) { - php_error(error_type, "%s: Unable to initialize module", module_entry->name); - DL_UNLOAD(handle); - RETURN_FALSE; - } - } - - /* update the .request_started property... */ - if (zend_hash_find(&module_registry, module_entry->name, strlen(module_entry->name)+1, (void **) &tmp)==FAILURE) { - php_error(error_type, "%s: Loaded module got lost", module_entry->name); - RETURN_FALSE; - } - tmp->handle = handle; - - RETURN_TRUE; -} -/* }}} */ - -PHP_MINFO_FUNCTION(dl) -{ - php_info_print_table_row(2, "Dynamic Library Support", "enabled"); -} - -#else - -void php_dl(pval *file, int type, pval *return_value TSRMLS_DC) -{ - php_error(E_WARNING, "Cannot dynamically load %s - dynamic modules are not supported", Z_STRVAL_P(file)); - RETURN_FALSE; -} - -PHP_MINFO_FUNCTION(dl) -{ - PUTS("Dynamic Library support not available<br />.\n"); -} - -#endif - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - * vim600: sw=4 ts=4 fdm=marker - * vim<600: sw=4 ts=4 - */ |