mirror of
https://github.com/php/php-src.git
synced 2024-11-24 10:24:11 +08:00
488 lines
12 KiB
C
488 lines
12 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2002 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend 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@zend.com 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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#include <stdlib.h>
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#include "zend.h"
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#include "zend_qsort.h"
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#include "zend_API.h"
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#include "zend_ini.h"
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#include "zend_alloc.h"
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#include "zend_operators.h"
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static HashTable *registered_zend_ini_directives;
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/*
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* hash_apply functions
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*/
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static int zend_remove_ini_entries(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 1;
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} else {
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return 0;
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}
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}
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static int zend_restore_ini_entry_cb(zend_ini_entry *ini_entry, int stage TSRMLS_DC)
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{
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if (ini_entry->modified) {
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if (ini_entry->on_modify) {
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ini_entry->on_modify(ini_entry, ini_entry->orig_value, ini_entry->orig_value_length, ini_entry->mh_arg1, ini_entry->mh_arg2, ini_entry->mh_arg3, stage TSRMLS_CC);
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}
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efree(ini_entry->value);
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ini_entry->value = ini_entry->orig_value;
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ini_entry->value_length = ini_entry->orig_value_length;
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ini_entry->modified = 0;
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ini_entry->orig_value = NULL;
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ini_entry->orig_value_length = 0;
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}
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return 0;
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}
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/*
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* Startup / shutdown
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*/
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ZEND_API int zend_ini_startup(TSRMLS_D)
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{
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registered_zend_ini_directives = &EG(ini_directives);
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if (zend_hash_init_ex(registered_zend_ini_directives, 100, NULL, NULL, 1, 0)==FAILURE) {
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return FAILURE;
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}
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return SUCCESS;
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}
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ZEND_API int zend_ini_shutdown(TSRMLS_D)
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{
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zend_hash_destroy(&EG(ini_directives));
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return SUCCESS;
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}
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ZEND_API int zend_ini_deactivate(TSRMLS_D)
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{
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zend_hash_apply_with_argument(&EG(ini_directives), (apply_func_arg_t) zend_restore_ini_entry_cb, (void *) ZEND_INI_STAGE_DEACTIVATE TSRMLS_CC);
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return SUCCESS;
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}
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ZEND_API int zend_copy_ini_directives(TSRMLS_D)
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{
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zend_ini_entry ini_entry;
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if (zend_hash_init_ex(&EG(ini_directives), registered_zend_ini_directives->nNumOfElements, NULL, NULL, 1, 0)==FAILURE) {
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return FAILURE;
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}
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zend_hash_copy(&EG(ini_directives), registered_zend_ini_directives, NULL, &ini_entry, sizeof(zend_ini_entry));
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zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP TSRMLS_CC);
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return SUCCESS;
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}
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static int ini_key_compare(const void *a, const void *b TSRMLS_DC)
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{
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Bucket *f;
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Bucket *s;
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f = *((Bucket **) a);
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s = *((Bucket **) b);
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if (f->nKeyLength==0 && s->nKeyLength==0) { /* both numeric */
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return ZEND_NORMALIZE_BOOL(f->nKeyLength - s->nKeyLength);
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} else if (f->nKeyLength==0) { /* f is numeric, s is not */
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return -1;
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} else if (s->nKeyLength==0) { /* s is numeric, f is not */
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return 1;
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} else { /* both strings */
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return zend_binary_strcasecmp(f->arKey, f->nKeyLength, s->arKey, s->nKeyLength);
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}
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}
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ZEND_API void zend_ini_sort_entries(TSRMLS_D)
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{
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zend_hash_sort(&EG(ini_directives), zend_qsort, ini_key_compare, 0 TSRMLS_CC);
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}
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/*
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* Registration / unregistration
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*/
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ZEND_API int zend_register_ini_entries(zend_ini_entry *ini_entry, int module_number TSRMLS_DC)
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{
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zend_ini_entry *p = ini_entry;
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zend_ini_entry *hashed_ini_entry;
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zval default_value;
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while (p->name) {
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p->module_number = module_number;
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if (zend_hash_add(registered_zend_ini_directives, p->name, p->name_length, p, sizeof(zend_ini_entry), (void **) &hashed_ini_entry)==FAILURE) {
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zend_unregister_ini_entries(module_number TSRMLS_CC);
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return FAILURE;
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}
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if ((zend_get_configuration_directive(p->name, p->name_length, &default_value))==SUCCESS) {
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if (!hashed_ini_entry->on_modify
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|| hashed_ini_entry->on_modify(hashed_ini_entry, default_value.value.str.val, default_value.value.str.len, hashed_ini_entry->mh_arg1, hashed_ini_entry->mh_arg2, hashed_ini_entry->mh_arg3, ZEND_INI_STAGE_STARTUP TSRMLS_CC)==SUCCESS) {
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hashed_ini_entry->value = default_value.value.str.val;
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hashed_ini_entry->value_length = default_value.value.str.len;
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}
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} else {
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if (hashed_ini_entry->on_modify) {
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hashed_ini_entry->on_modify(hashed_ini_entry, hashed_ini_entry->value, hashed_ini_entry->value_length, hashed_ini_entry->mh_arg1, hashed_ini_entry->mh_arg2, hashed_ini_entry->mh_arg3, ZEND_INI_STAGE_STARTUP TSRMLS_CC);
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}
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}
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p++;
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}
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return SUCCESS;
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}
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ZEND_API void zend_unregister_ini_entries(int module_number TSRMLS_DC)
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{
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zend_hash_apply_with_argument(registered_zend_ini_directives, (apply_func_arg_t) zend_remove_ini_entries, (void *) &module_number TSRMLS_CC);
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}
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static int zend_ini_refresh_cache(zend_ini_entry *p, int stage TSRMLS_DC)
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{
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if (p->on_modify) {
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p->on_modify(p, p->value, p->value_length, p->mh_arg1, p->mh_arg2, p->mh_arg3, stage TSRMLS_CC);
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}
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return 0;
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}
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ZEND_API void zend_ini_refresh_caches(int stage TSRMLS_DC)
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{
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zend_hash_apply_with_argument(&EG(ini_directives), (apply_func_arg_t) zend_ini_refresh_cache, (void *)(long) stage TSRMLS_CC);
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}
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ZEND_API int zend_alter_ini_entry(char *name, uint name_length, char *new_value, uint new_value_length, int modify_type, int stage)
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{
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zend_ini_entry *ini_entry;
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char *duplicate;
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TSRMLS_FETCH();
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if (zend_hash_find(&EG(ini_directives), name, name_length, (void **) &ini_entry)==FAILURE) {
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return FAILURE;
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}
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if (!(ini_entry->modifyable & modify_type)) {
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return FAILURE;
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}
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duplicate = estrndup(new_value, new_value_length);
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if (!ini_entry->on_modify
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|| ini_entry->on_modify(ini_entry, duplicate, new_value_length, ini_entry->mh_arg1, ini_entry->mh_arg2, ini_entry->mh_arg3, stage TSRMLS_CC)==SUCCESS) {
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if (!ini_entry->modified) {
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ini_entry->orig_value = ini_entry->value;
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ini_entry->orig_value_length = ini_entry->value_length;
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} else { /* we already changed the value, free the changed value */
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efree(ini_entry->value);
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}
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ini_entry->value = duplicate;
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ini_entry->value_length = new_value_length;
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ini_entry->modified = 1;
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} else {
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efree(duplicate);
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}
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return SUCCESS;
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}
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ZEND_API int zend_restore_ini_entry(char *name, uint name_length, int stage)
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{
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zend_ini_entry *ini_entry;
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TSRMLS_FETCH();
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if (zend_hash_find(&EG(ini_directives), name, name_length, (void **) &ini_entry)==FAILURE) {
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return FAILURE;
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}
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zend_restore_ini_entry_cb(ini_entry, stage TSRMLS_CC);
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return SUCCESS;
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}
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ZEND_API int zend_ini_register_displayer(char *name, uint name_length, void (*displayer)(zend_ini_entry *ini_entry, int type))
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{
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zend_ini_entry *ini_entry;
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if (zend_hash_find(registered_zend_ini_directives, name, name_length, (void **) &ini_entry)==FAILURE) {
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return FAILURE;
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}
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ini_entry->displayer = displayer;
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return SUCCESS;
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}
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/*
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* Data retrieval
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*/
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ZEND_API long zend_ini_long(char *name, uint name_length, int orig)
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{
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zend_ini_entry *ini_entry;
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TSRMLS_FETCH();
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if (zend_hash_find(&EG(ini_directives), name, name_length, (void **) &ini_entry)==SUCCESS) {
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if (orig && ini_entry->modified) {
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return (ini_entry->orig_value ? strtol(ini_entry->orig_value, NULL, 0) : 0);
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} else if (ini_entry->value) {
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return strtol(ini_entry->value, NULL, 0);
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}
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}
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return 0;
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}
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ZEND_API double zend_ini_double(char *name, uint name_length, int orig)
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{
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zend_ini_entry *ini_entry;
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TSRMLS_FETCH();
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if (zend_hash_find(&EG(ini_directives), name, name_length, (void **) &ini_entry)==SUCCESS) {
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if (orig && ini_entry->modified) {
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return (double) (ini_entry->orig_value ? strtod(ini_entry->orig_value, NULL) : 0.0);
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} else if (ini_entry->value) {
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return (double) strtod(ini_entry->value, NULL);
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}
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}
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return 0.0;
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}
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ZEND_API char *zend_ini_string(char *name, uint name_length, int orig)
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{
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zend_ini_entry *ini_entry;
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TSRMLS_FETCH();
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if (zend_hash_find(&EG(ini_directives), name, name_length, (void **) &ini_entry)==SUCCESS) {
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if (orig && ini_entry->modified) {
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return ini_entry->orig_value;
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} else {
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return ini_entry->value;
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}
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}
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return "";
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}
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static void zend_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;
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if (type==ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
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if (ini_entry->orig_value) {
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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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} else {
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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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}
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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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} else {
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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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}
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ZEND_WRITE(display_string, display_string_length);
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}
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}
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ZEND_INI_DISP(zend_ini_boolean_displayer_cb)
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{
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int value;
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if (type==ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
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value = (ini_entry->orig_value ? atoi(ini_entry->orig_value) : 0);
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} else if (ini_entry->value) {
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value = atoi(ini_entry->value);
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} else {
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value = 0;
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}
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if (value) {
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ZEND_PUTS("On");
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} else {
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ZEND_PUTS("Off");
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}
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}
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ZEND_INI_DISP(zend_ini_color_displayer_cb)
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{
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char *value;
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if (type==ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
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value = ini_entry->orig_value;
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} else if (ini_entry->value) {
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value = ini_entry->value;
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} else {
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value = NULL;
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}
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if (value) {
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zend_printf("<font color=\"%s\">%s</font>", value, value);
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} else {
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ZEND_PUTS("<i>no value</i>;");
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}
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}
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ZEND_INI_DISP(display_link_numbers)
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{
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char *value;
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if (type==ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
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value = ini_entry->orig_value;
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} else if (ini_entry->value) {
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value = ini_entry->value;
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} else {
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value = NULL;
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}
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if (value) {
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if (atoi(value)==-1) {
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ZEND_PUTS("Unlimited");
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} else {
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zend_printf("%s", value);
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}
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}
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}
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/* Standard message handlers */
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ZEND_API ZEND_INI_MH(OnUpdateBool)
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{
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zend_bool *p;
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#ifndef ZTS
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char *base = (char *) mh_arg2;
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#else
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char *base;
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base = (char *) ts_resource(*((int *) mh_arg2));
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#endif
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p = (zend_bool *) (base+(size_t) mh_arg1);
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*p = (zend_bool) atoi(new_value);
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return SUCCESS;
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}
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ZEND_API ZEND_INI_MH(OnUpdateInt)
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{
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long *p;
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#ifndef ZTS
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char *base = (char *) mh_arg2;
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#else
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char *base;
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base = (char *) ts_resource(*((int *) mh_arg2));
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#endif
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p = (long *) (base+(size_t) mh_arg1);
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*p = zend_atoi(new_value, new_value_length);
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return SUCCESS;
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}
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ZEND_API ZEND_INI_MH(OnUpdateReal)
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{
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double *p;
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#ifndef ZTS
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char *base = (char *) mh_arg2;
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#else
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char *base;
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base = (char *) ts_resource(*((int *) mh_arg2));
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#endif
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p = (double *) (base+(size_t) mh_arg1);
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*p = strtod(new_value, NULL);
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return SUCCESS;
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}
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ZEND_API ZEND_INI_MH(OnUpdateString)
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{
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char **p;
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#ifndef ZTS
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char *base = (char *) mh_arg2;
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#else
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char *base;
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base = (char *) ts_resource(*((int *) mh_arg2));
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#endif
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p = (char **) (base+(size_t) mh_arg1);
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*p = new_value;
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return SUCCESS;
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}
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ZEND_API ZEND_INI_MH(OnUpdateStringUnempty)
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{
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char **p;
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#ifndef ZTS
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char *base = (char *) mh_arg2;
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#else
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char *base;
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base = (char *) ts_resource(*((int *) mh_arg2));
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#endif
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if (new_value && !new_value[0]) {
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return FAILURE;
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}
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p = (char **) (base+(size_t) mh_arg1);
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*p = new_value;
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return SUCCESS;
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}
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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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*/
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