mirror of
https://github.com/php/php-src.git
synced 2024-11-28 12:26:37 +08:00
586 lines
16 KiB
C
586 lines
16 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 4 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2003 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.0 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 through the world-wide-web at the following url: |
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| http://www.php.net/license/3_0.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: Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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/* Check CWD for php.ini */
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#define INI_CHECK_CWD
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#include "php.h"
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#include "ext/standard/info.h"
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#include "zend_ini.h"
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#include "php_ini.h"
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#include "ext/standard/dl.h"
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#include "zend_extensions.h"
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#include "zend_highlight.h"
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#include "SAPI.h"
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#include "php_main.h"
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#include "php_scandir.h"
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#if HAVE_SCANDIR && HAVE_ALPHASORT && HAVE_DIRENT_H
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#include <dirent.h>
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#endif
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#ifndef S_ISREG
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#define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
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#endif
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typedef struct _php_extension_lists {
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zend_llist engine;
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zend_llist functions;
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} php_extension_lists;
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/* True globals */
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static HashTable configuration_hash;
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PHPAPI char *php_ini_opened_path=NULL;
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static php_extension_lists extension_lists;
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PHPAPI char *php_ini_scanned_files=NULL;
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/* {{{ php_ini_displayer_cb
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*/
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static void php_ini_displayer_cb(zend_ini_entry *ini_entry, int type)
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{
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if (ini_entry->displayer) {
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ini_entry->displayer(ini_entry, type);
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} else {
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char *display_string;
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uint display_string_length, esc_html=0;
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TSRMLS_FETCH();
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if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
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if (ini_entry->orig_value && ini_entry->orig_value[0]) {
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display_string = ini_entry->orig_value;
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display_string_length = ini_entry->orig_value_length;
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esc_html = !sapi_module.phpinfo_as_text;
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} else {
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if (!sapi_module.phpinfo_as_text) {
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display_string = "<i>no value</i>";
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display_string_length = sizeof("<i>no value</i>") - 1;
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} else {
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display_string = "no value";
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display_string_length = sizeof("no value") - 1;
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}
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}
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} else if (ini_entry->value && ini_entry->value[0]) {
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display_string = ini_entry->value;
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display_string_length = ini_entry->value_length;
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esc_html = !sapi_module.phpinfo_as_text;
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} else {
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if (!sapi_module.phpinfo_as_text) {
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display_string = "<i>no value</i>";
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display_string_length = sizeof("<i>no value</i>") - 1;
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} else {
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display_string = "no value";
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display_string_length = sizeof("no value") - 1;
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}
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}
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if (esc_html) {
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php_html_puts(display_string, display_string_length TSRMLS_CC);
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} else {
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PHPWRITE(display_string, display_string_length);
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}
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}
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}
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/* }}} */
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/* {{{ php_ini_displayer
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*/
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static int php_ini_displayer(zend_ini_entry *ini_entry, int module_number TSRMLS_DC)
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{
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if (ini_entry->module_number != module_number) {
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return 0;
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}
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if (!sapi_module.phpinfo_as_text) {
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PUTS("<tr>");
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PUTS("<td class=\"e\">");
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PHPWRITE(ini_entry->name, ini_entry->name_length - 1);
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PUTS("</td><td class=\"v\">");
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php_ini_displayer_cb(ini_entry, ZEND_INI_DISPLAY_ACTIVE);
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PUTS("</td><td class=\"v\">");
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php_ini_displayer_cb(ini_entry, ZEND_INI_DISPLAY_ORIG);
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PUTS("</td></tr>\n");
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} else {
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PHPWRITE(ini_entry->name, ini_entry->name_length - 1);
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PUTS(" => ");
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php_ini_displayer_cb(ini_entry, ZEND_INI_DISPLAY_ACTIVE);
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PUTS(" => ");
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php_ini_displayer_cb(ini_entry, ZEND_INI_DISPLAY_ORIG);
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PUTS("\n");
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}
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return 0;
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}
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/* }}} */
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/* {{{ display_ini_entries
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*/
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PHPAPI void display_ini_entries(zend_module_entry *module)
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{
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int module_number;
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TSRMLS_FETCH();
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if (module) {
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module_number = module->module_number;
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} else {
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module_number = 0;
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}
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php_info_print_table_start();
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php_info_print_table_header(3, "Directive", "Local Value", "Master Value");
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zend_hash_apply_with_argument(EG(ini_directives), (apply_func_arg_t) php_ini_displayer, (void *) (long) module_number TSRMLS_CC);
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php_info_print_table_end();
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}
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/* }}} */
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/* php.ini support */
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#ifdef ZTS
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# if (ZEND_DEBUG)
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# define ZEND_EXTENSION_TOKEN "zend_extension_debug_ts"
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# else
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# define ZEND_EXTENSION_TOKEN "zend_extension_ts"
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# endif
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#else
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# if (ZEND_DEBUG)
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# define ZEND_EXTENSION_TOKEN "zend_extension_debug"
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# else
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# define ZEND_EXTENSION_TOKEN "zend_extension"
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# endif
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#endif
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/* {{{ pvalue_config_destructor
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*/
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static void pvalue_config_destructor(zval *pvalue)
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{
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if (Z_TYPE_P(pvalue) == IS_STRING && Z_STRVAL_P(pvalue) != empty_string) {
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free(Z_STRVAL_P(pvalue));
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}
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}
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/* }}} */
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/* {{{ php_config_ini_parser_cb
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*/
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static void php_config_ini_parser_cb(zval *arg1, zval *arg2, int callback_type, void *arg)
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{
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switch (callback_type) {
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case ZEND_INI_PARSER_ENTRY: {
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zval *entry;
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if (!arg2) {
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break;
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}
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if (!strcasecmp(Z_STRVAL_P(arg1), "extension")) { /* load function module */
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zval copy;
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copy = *arg2;
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zval_copy_ctor(©);
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copy.refcount = 0;
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zend_llist_add_element(&extension_lists.functions, ©);
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} else if (!strcasecmp(Z_STRVAL_P(arg1), ZEND_EXTENSION_TOKEN)) { /* load Zend extension */
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char *extension_name = estrndup(Z_STRVAL_P(arg2), Z_STRLEN_P(arg2));
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zend_llist_add_element(&extension_lists.engine, &extension_name);
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} else {
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zend_hash_update(&configuration_hash, Z_STRVAL_P(arg1), Z_STRLEN_P(arg1) + 1, arg2, sizeof(zval), (void **) &entry);
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Z_STRVAL_P(entry) = zend_strndup(Z_STRVAL_P(entry), Z_STRLEN_P(entry));
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}
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}
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break;
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case ZEND_INI_PARSER_POP_ENTRY: {
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zval *hash;
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zval **find_hash;
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zval *element;
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if (!arg2) {
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/* bare string - nothing to do */
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break;
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}
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if (zend_hash_find(&configuration_hash, Z_STRVAL_P(arg1), Z_STRLEN_P(arg1) + 1, (void **) &find_hash) == FAILURE) {
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ALLOC_ZVAL(hash);
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array_init(hash);
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zend_hash_update(&configuration_hash, Z_STRVAL_P(arg1), Z_STRLEN_P(arg1) + 1, &hash, sizeof(zval *), NULL);
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} else {
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hash = *find_hash;
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}
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ALLOC_ZVAL(element);
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*element = *arg2;
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zval_copy_ctor(element);
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INIT_PZVAL(element);
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add_next_index_zval(hash, element);
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}
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break;
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case ZEND_INI_PARSER_SECTION:
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break;
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}
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}
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/* }}} */
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/* {{{ php_load_function_extension_cb
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*/
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static void php_load_function_extension_cb(void *arg TSRMLS_DC)
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{
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zval *extension = (zval *) arg;
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zval zval;
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php_dl(extension, MODULE_PERSISTENT, &zval TSRMLS_CC);
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}
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/* }}} */
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/* {{{ php_load_zend_extension_cb
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*/
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static void php_load_zend_extension_cb(void *arg TSRMLS_DC)
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{
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zend_load_extension(*((char **) arg));
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}
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/* }}} */
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/* {{{ php_init_config
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*/
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int php_init_config()
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{
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char *env_location, *php_ini_search_path;
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char *binary_location;
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int safe_mode_state;
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char *open_basedir;
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int free_ini_search_path=0;
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zend_file_handle fh;
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struct stat sb;
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char ini_file[MAXPATHLEN];
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char *p;
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zend_llist scanned_ini_list;
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int l, total_l=0;
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zend_llist_element *element;
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TSRMLS_FETCH();
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if (zend_hash_init(&configuration_hash, 0, NULL, (dtor_func_t) pvalue_config_destructor, 1) == FAILURE) {
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return FAILURE;
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}
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if (sapi_module.ini_defaults) {
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sapi_module.ini_defaults(&configuration_hash);
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}
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zend_llist_init(&extension_lists.engine, sizeof(char *), (llist_dtor_func_t) free_estring, 1);
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zend_llist_init(&extension_lists.functions, sizeof(zval), (llist_dtor_func_t) ZVAL_DESTRUCTOR, 1);
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zend_llist_init(&scanned_ini_list, sizeof(char *), (llist_dtor_func_t) free_estring, 1);
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safe_mode_state = PG(safe_mode);
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open_basedir = PG(open_basedir);
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env_location = getenv("PHPRC");
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if (!env_location) {
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env_location = "";
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}
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if (sapi_module.php_ini_path_override) {
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php_ini_search_path = sapi_module.php_ini_path_override;
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free_ini_search_path = 0;
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} else {
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char *default_location;
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static const char paths_separator[] = { ZEND_PATHS_SEPARATOR, 0 };
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php_ini_search_path = (char *) emalloc(MAXPATHLEN * 3 + strlen(env_location) + 3 + 1);
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free_ini_search_path = 1;
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php_ini_search_path[0] = 0;
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/*
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* Prepare search path
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*/
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/* Add environment location */
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if (env_location[0]) {
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if (*php_ini_search_path) {
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strcat(php_ini_search_path, paths_separator);
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}
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strcat(php_ini_search_path, env_location);
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}
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/* Add cwd */
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#ifdef INI_CHECK_CWD
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if (strcmp(sapi_module.name, "cli") != 0) {
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if (*php_ini_search_path) {
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strcat(php_ini_search_path, paths_separator);
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}
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strcat(php_ini_search_path, ".");
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}
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#endif
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/* Add binary directory */
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#ifdef PHP_WIN32
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binary_location = (char *) emalloc(MAXPATHLEN);
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if (GetModuleFileName(0, binary_location, MAXPATHLEN) == 0) {
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efree(binary_location);
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binary_location = NULL;
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}
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#else
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if (sapi_module.executable_location) {
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binary_location = estrdup(sapi_module.executable_location);
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} else {
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binary_location = NULL;
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}
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#endif
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if (binary_location) {
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char *separator_location = strrchr(binary_location, DEFAULT_SLASH);
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if (separator_location) {
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*(separator_location+1) = 0;
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}
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if (*php_ini_search_path) {
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strcat(php_ini_search_path, paths_separator);
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}
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strcat(php_ini_search_path, binary_location);
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efree(binary_location);
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}
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/* Add default location */
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#ifdef PHP_WIN32
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default_location = (char *) emalloc(MAXPATHLEN + 1);
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if (0 < GetWindowsDirectory(default_location, MAXPATHLEN)) {
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if (*php_ini_search_path) {
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strcat(php_ini_search_path, paths_separator);
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}
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strcat(php_ini_search_path, default_location);
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}
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efree(default_location);
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#else
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default_location = PHP_CONFIG_FILE_PATH;
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if (*php_ini_search_path) {
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strcat(php_ini_search_path, paths_separator);
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}
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strcat(php_ini_search_path, default_location);
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#endif
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}
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PG(safe_mode) = 0;
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PG(open_basedir) = NULL;
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memset(&fh, 0, sizeof(fh));
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/* Check if php_ini_path_override is a file */
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if (!sapi_module.php_ini_ignore) {
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if (sapi_module.php_ini_path_override && sapi_module.php_ini_path_override[0]) {
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struct stat statbuf;
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if (!VCWD_STAT(sapi_module.php_ini_path_override, &statbuf)) {
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if (!((statbuf.st_mode & S_IFMT) == S_IFDIR)) {
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fh.handle.fp = VCWD_FOPEN(sapi_module.php_ini_path_override, "r");
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fh.filename = sapi_module.php_ini_path_override;
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}
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}
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}
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/* Search php-%sapi-module-name%.ini file in search path */
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if (!fh.handle.fp) {
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const char *fmt = "php-%s.ini";
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char *ini_fname = emalloc(strlen(fmt) + strlen(sapi_module.name));
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sprintf(ini_fname, fmt, sapi_module.name);
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fh.handle.fp = php_fopen_with_path(ini_fname, "r", php_ini_search_path, &php_ini_opened_path TSRMLS_CC);
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efree(ini_fname);
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if (fh.handle.fp) {
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fh.filename = php_ini_opened_path;
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}
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}
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/* Search php.ini file in search path */
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if (!fh.handle.fp) {
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fh.handle.fp = php_fopen_with_path("php.ini", "r", php_ini_search_path, &php_ini_opened_path TSRMLS_CC);
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if (fh.handle.fp) {
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fh.filename = php_ini_opened_path;
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}
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}
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}
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if (free_ini_search_path) {
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efree(php_ini_search_path);
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}
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PG(safe_mode) = safe_mode_state;
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PG(open_basedir) = open_basedir;
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if (fh.handle.fp) {
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fh.type = ZEND_HANDLE_FP;
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zend_parse_ini_file(&fh, 1, php_config_ini_parser_cb, &extension_lists);
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{
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zval tmp;
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Z_STRLEN(tmp) = strlen(fh.filename);
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Z_STRVAL(tmp) = zend_strndup(fh.filename, Z_STRLEN(tmp));
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Z_TYPE(tmp) = IS_STRING;
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zend_hash_update(&configuration_hash, "cfg_file_path", sizeof("cfg_file_path"), (void *) &tmp, sizeof(zval), NULL);
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if (php_ini_opened_path) {
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efree(php_ini_opened_path);
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}
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php_ini_opened_path = zend_strndup(Z_STRVAL(tmp), Z_STRLEN(tmp));
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}
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}
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/* If the config_file_scan_dir is set at compile-time, go and scan this directory and
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* parse any .ini files found in this directory. */
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if (!sapi_module.php_ini_ignore && strlen(PHP_CONFIG_FILE_SCAN_DIR)) {
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struct dirent **namelist;
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int ndir, i;
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if ((ndir = php_scandir(PHP_CONFIG_FILE_SCAN_DIR, &namelist, 0, php_alphasort)) > 0) {
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for (i = 0; i < ndir; i++) {
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/* check for a .ini extension */
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if (!(p = strrchr(namelist[i]->d_name, '.')) || (p && strcmp(p, ".ini"))) {
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free(namelist[i]);
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continue;
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}
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snprintf(ini_file, MAXPATHLEN, "%s%c%s", PHP_CONFIG_FILE_SCAN_DIR, DEFAULT_SLASH, namelist[i]->d_name);
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if (VCWD_STAT(ini_file, &sb) == 0) {
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if (S_ISREG(sb.st_mode)) {
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if ((fh.handle.fp = VCWD_FOPEN(ini_file, "r"))) {
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fh.filename = ini_file;
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fh.type = ZEND_HANDLE_FP;
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zend_parse_ini_file(&fh, 1, php_config_ini_parser_cb, &extension_lists);
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/* Here, add it to the list of ini files read */
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l = strlen(ini_file);
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total_l += l + 2;
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p = estrndup(ini_file, l);
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zend_llist_add_element(&scanned_ini_list, &p);
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}
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}
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}
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free(namelist[i]);
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}
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free(namelist);
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/*
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* Don't need an extra byte for the \0 in this malloc as the last
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* element will not get a trailing , which gives us the byte for the \0
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*/
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php_ini_scanned_files = (char *) malloc(total_l);
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*php_ini_scanned_files = '\0';
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for (element = scanned_ini_list.head; element; element = element->next) {
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strcat(php_ini_scanned_files, *(char **)element->data);
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strcat(php_ini_scanned_files, element->next ? ",\n" : "\n");
|
|
}
|
|
zend_llist_destroy(&scanned_ini_list);
|
|
}
|
|
}
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_shutdown_config
|
|
*/
|
|
int php_shutdown_config(void)
|
|
{
|
|
zend_hash_destroy(&configuration_hash);
|
|
if (php_ini_opened_path) {
|
|
free(php_ini_opened_path);
|
|
}
|
|
if (php_ini_scanned_files) {
|
|
free(php_ini_scanned_files);
|
|
}
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_ini_delayed_modules_startup
|
|
*/
|
|
void php_ini_delayed_modules_startup(TSRMLS_D)
|
|
{
|
|
zend_llist_apply(&extension_lists.engine, php_load_zend_extension_cb TSRMLS_CC);
|
|
zend_llist_apply(&extension_lists.functions, php_load_function_extension_cb TSRMLS_CC);
|
|
|
|
zend_llist_destroy(&extension_lists.engine);
|
|
zend_llist_destroy(&extension_lists.functions);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ cfg_get_entry
|
|
*/
|
|
zval *cfg_get_entry(char *name, uint name_length)
|
|
{
|
|
zval *tmp;
|
|
|
|
if (zend_hash_find(&configuration_hash, name, name_length, (void **) &tmp) == SUCCESS) {
|
|
return tmp;
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ cfg_get_long
|
|
*/
|
|
PHPAPI int cfg_get_long(char *varname, long *result)
|
|
{
|
|
zval *tmp, var;
|
|
|
|
if (zend_hash_find(&configuration_hash, varname, strlen(varname) + 1, (void **) &tmp) == FAILURE) {
|
|
*result = (long) NULL;
|
|
return FAILURE;
|
|
}
|
|
var = *tmp;
|
|
zval_copy_ctor(&var);
|
|
convert_to_long(&var);
|
|
*result = Z_LVAL(var);
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ cfg_get_double
|
|
*/
|
|
PHPAPI int cfg_get_double(char *varname, double *result)
|
|
{
|
|
zval *tmp, var;
|
|
|
|
if (zend_hash_find(&configuration_hash, varname, strlen(varname) + 1, (void **) &tmp) == FAILURE) {
|
|
*result = (double) 0;
|
|
return FAILURE;
|
|
}
|
|
var = *tmp;
|
|
zval_copy_ctor(&var);
|
|
convert_to_double(&var);
|
|
*result = Z_DVAL(var);
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ cfg_get_string
|
|
*/
|
|
PHPAPI int cfg_get_string(char *varname, char **result)
|
|
{
|
|
zval *tmp;
|
|
|
|
if (zend_hash_find(&configuration_hash, varname, strlen(varname)+1, (void **) &tmp) == FAILURE) {
|
|
*result = NULL;
|
|
return FAILURE;
|
|
}
|
|
*result = Z_STRVAL_P(tmp);
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
* vim600: sw=4 ts=4 fdm=marker
|
|
* vim<600: sw=4 ts=4
|
|
*/
|