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tag: php-4.0b3
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/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 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_0.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. |
+----------------------------------------------------------------------+
| Author: Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
#include <stdlib.h>
#include "php.h"
#include "php_ini.h"
#include "zend_alloc.h"
#include "php_globals.h"
#include "ext/standard/info.h"
static HashTable known_directives;
/*
* hash_apply functions
*/
static int php_remove_ini_entries(php_ini_entry *ini_entry, int *module_number)
{
if (ini_entry->module_number == *module_number) {
return 1;
} else {
return 0;
}
}
static int php_restore_ini_entry_cb(php_ini_entry *ini_entry)
{
if (ini_entry->modified) {
if (ini_entry->on_modify) {
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);
}
efree(ini_entry->value);
ini_entry->value = ini_entry->orig_value;
ini_entry->value_length = ini_entry->orig_value_length;
ini_entry->modified = 0;
ini_entry->orig_value = NULL;
ini_entry->orig_value_length = 0;
}
return 0;
}
/*
* Startup / shutdown
*/
int php_ini_mstartup()
{
if (zend_hash_init(&known_directives, 100, NULL, NULL, 1)==FAILURE) {
return FAILURE;
}
return SUCCESS;
}
int php_ini_mshutdown()
{
zend_hash_destroy(&known_directives);
return SUCCESS;
}
int php_ini_rshutdown()
{
zend_hash_apply(&known_directives, (int (*)(void *)) php_restore_ini_entry_cb);
return SUCCESS;
}
/*
* Registration / unregistration
*/
PHPAPI int php_register_ini_entries(php_ini_entry *ini_entry, int module_number)
{
php_ini_entry *p = ini_entry;
php_ini_entry *hashed_ini_entry;
pval *default_value;
while (p->name) {
p->module_number = module_number;
if (zend_hash_add(&known_directives, p->name, p->name_length, p, sizeof(php_ini_entry), (void **) &hashed_ini_entry)==FAILURE) {
php_unregister_ini_entries(module_number);
return FAILURE;
}
if (hashed_ini_entry->on_modify) {
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);
}
if ((default_value=cfg_get_entry(p->name, p->name_length))) {
if (!hashed_ini_entry->on_modify
|| 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)==SUCCESS) {
hashed_ini_entry->value = default_value->value.str.val;
hashed_ini_entry->value_length = default_value->value.str.len;
}
} else {
if (hashed_ini_entry->on_modify) {
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);
}
}
hashed_ini_entry->modified = 0;
p++;
}
return SUCCESS;
}
PHPAPI void php_unregister_ini_entries(int module_number)
{
zend_hash_apply_with_argument(&known_directives, (int (*)(void *, void *)) php_remove_ini_entries, (void *) &module_number);
}
static int php_ini_refresh_cache(php_ini_entry *p)
{
if (p->on_modify) {
p->on_modify(p, p->value, p->value_length, p->mh_arg1, p->mh_arg2, p->mh_arg3);
}
return 0;
}
PHPAPI void php_ini_refresh_caches()
{
zend_hash_apply(&known_directives, (int (*)(void *)) php_ini_refresh_cache);
}
PHPAPI int php_alter_ini_entry(char *name, uint name_length, char *new_value, uint new_value_length, int modify_type)
{
php_ini_entry *ini_entry;
char *duplicate;
if (zend_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==FAILURE) {
return FAILURE;
}
if (!(ini_entry->modifyable & modify_type)) {
return FAILURE;
}
duplicate = estrndup(new_value, new_value_length);
if (!ini_entry->on_modify
|| ini_entry->on_modify(ini_entry, duplicate, new_value_length, ini_entry->mh_arg1, ini_entry->mh_arg2, ini_entry->mh_arg3)==SUCCESS) {
if (!ini_entry->modified) {
ini_entry->orig_value = ini_entry->value;
ini_entry->orig_value_length = ini_entry->value_length;
} else { /* we already changed the value, free the changed value */
efree(ini_entry->value);
}
ini_entry->value = duplicate;
ini_entry->value_length = new_value_length;
ini_entry->modified = 1;
} else {
efree(duplicate);
}
return SUCCESS;
}
PHPAPI int php_restore_ini_entry(char *name, uint name_length)
{
php_ini_entry *ini_entry;
if (zend_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==FAILURE) {
return FAILURE;
}
php_restore_ini_entry_cb(ini_entry);
return SUCCESS;
}
PHPAPI int php_ini_register_displayer(char *name, uint name_length, void (*displayer)(php_ini_entry *ini_entry, int type))
{
php_ini_entry *ini_entry;
if (zend_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==FAILURE) {
return FAILURE;
}
ini_entry->displayer = displayer;
return SUCCESS;
}
/*
* Data retrieval
*/
PHPAPI long php_ini_long(char *name, uint name_length, int orig)
{
php_ini_entry *ini_entry;
if (zend_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==SUCCESS) {
if (orig && ini_entry->modified) {
return (ini_entry->orig_value ? strtol(ini_entry->orig_value, NULL, 0) : 0);
} else if (ini_entry->value) {
return strtol(ini_entry->value, NULL, 0);
}
}
return 0;
}
PHPAPI double php_ini_double(char *name, uint name_length, int orig)
{
php_ini_entry *ini_entry;
if (zend_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==SUCCESS) {
if (orig && ini_entry->modified) {
return (double) (ini_entry->orig_value ? strtod(ini_entry->orig_value, NULL) : 0.0);
} else if (ini_entry->value) {
return (double) strtod(ini_entry->value, NULL);
}
}
return 0.0;
}
PHPAPI char *php_ini_string(char *name, uint name_length, int orig)
{
php_ini_entry *ini_entry;
if (zend_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==SUCCESS) {
if (orig && ini_entry->modified) {
return ini_entry->orig_value;
} else {
return ini_entry->value;
}
}
return "";
}
php_ini_entry *get_ini_entry(char *name, uint name_length)
{
php_ini_entry *ini_entry;
if (zend_hash_find(&known_directives, name, name_length, (void **) &ini_entry)==SUCCESS) {
return ini_entry;
} else {
return NULL;
}
}
static void php_ini_displayer_cb(php_ini_entry *ini_entry, int type)
{
if (ini_entry->displayer) {
ini_entry->displayer(ini_entry, type);
} else {
char *display_string;
uint display_string_length;
if (type==PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
if (ini_entry->orig_value) {
display_string = ini_entry->orig_value;
display_string_length = ini_entry->orig_value_length;
} else {
display_string = "<i>no value</i>";
display_string_length = sizeof("<i>no value</i>")-1;
}
} else if (ini_entry->value && ini_entry->value[0]) {
display_string = ini_entry->value;
display_string_length = ini_entry->value_length;
} else {
display_string = "<i>no value</i>";
display_string_length = sizeof("<i>no value</i>")-1;
}
PHPWRITE(display_string, display_string_length);
}
}
PHP_INI_DISP(php_ini_boolean_displayer_cb)
{
int value;
if (type==PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
value = (ini_entry->orig_value ? atoi(ini_entry->orig_value) : 0);
} else if (ini_entry->value) {
value = atoi(ini_entry->value);
} else {
value = 0;
}
if (value) {
PUTS("On");
} else {
PUTS("Off");
}
}
PHP_INI_DISP(php_ini_color_displayer_cb)
{
char *value;
if (type==PHP_INI_DISPLAY_ORIG && ini_entry->modified) {
value = ini_entry->orig_value;
} else if (ini_entry->value) {
value = ini_entry->value;
} else {
value = NULL;
}
if (value) {
php_printf("<font color=\"%s\">%s</font>", value, value);
} else {
PUTS("<i>no value</i>;");
}
}
static int php_ini_displayer(php_ini_entry *ini_entry, int module_number)
{
if (ini_entry->module_number != module_number) {
return 0;
}
PUTS("<tr><td align=\"center\" bgcolor=\"" PHP_ENTRY_NAME_COLOR "\"><b>");
PHPWRITE(ini_entry->name, ini_entry->name_length-1);
PUTS("</b></td><td align=\"center\" bgcolor=\"" PHP_CONTENTS_COLOR "\">");
php_ini_displayer_cb(ini_entry, PHP_INI_DISPLAY_ACTIVE);
PUTS("</td><td align=\"center\" bgcolor=\"" PHP_CONTENTS_COLOR "\">");
php_ini_displayer_cb(ini_entry, PHP_INI_DISPLAY_ORIG);
PUTS("</td></tr>\n");
return 0;
}
PHPAPI void display_ini_entries(zend_module_entry *module)
{
int module_number;
if (module) {
module_number = module->module_number;
} else {
module_number = 0;
}
PUTS("<table border=5 width=\"600\">\n");
php_info_print_table_header(3, "Directive", "Local Value", "Master Value");
zend_hash_apply_with_argument(&known_directives, (int (*)(void *, void *)) php_ini_displayer, (void *) (long) module_number);
PUTS("</table>\n");
}
/* Standard message handlers */
PHPAPI PHP_INI_MH(OnUpdateBool)
{
zend_bool *p;
#ifndef ZTS
char *base = (char *) mh_arg2;
#else
char *base;
base = (char *) ts_resource(*((int *) mh_arg2));
#endif
p = (zend_bool *) (base+(size_t) mh_arg1);
*p = (zend_bool) atoi(new_value);
return SUCCESS;
}
PHPAPI PHP_INI_MH(OnUpdateInt)
{
long *p;
#ifndef ZTS
char *base = (char *) mh_arg2;
#else
char *base;
base = (char *) ts_resource(*((int *) mh_arg2));
#endif
p = (long *) (base+(size_t) mh_arg1);
*p = atoi(new_value);
return SUCCESS;
}
PHPAPI PHP_INI_MH(OnUpdateReal)
{
double *p;
#ifndef ZTS
char *base = (char *) mh_arg2;
#else
char *base;
base = (char *) ts_resource(*((int *) mh_arg2));
#endif
p = (double *) (base+(size_t) mh_arg1);
*p = strtod(new_value, NULL);
return SUCCESS;
}
PHPAPI PHP_INI_MH(OnUpdateString)
{
char **p;
#ifndef ZTS
char *base = (char *) mh_arg2;
#else
char *base;
base = (char *) ts_resource(*((int *) mh_arg2));
#endif
p = (char **) (base+(size_t) mh_arg1);
*p = new_value;
return SUCCESS;
}
PHPAPI PHP_INI_MH(OnUpdateStringUnempty)
{
char **p;
#ifndef ZTS
char *base = (char *) mh_arg2;
#else
char *base;
base = (char *) ts_resource(*((int *) mh_arg2));
#endif
if (new_value && !new_value[0]) {
return FAILURE;
}
p = (char **) (base+(size_t) mh_arg1);
*p = new_value;
return SUCCESS;
}
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