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e10e151e9b
Now each HashTable is also zend_array, so it's refcounted and may be a subject for Copy on Write zend_array_dup() was changed to allocate and return HashTable, instead of taking preallocated HashTable as argument.
838 lines
22 KiB
C
838 lines
22 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 7 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2015 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 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_01.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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| Authors: Rasmus Lerdorf <rasmus@lerdorf.on.ca> |
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| Zeev Suraski <zeev@zend.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include <stdio.h>
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#include "php.h"
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#include "ext/standard/php_standard.h"
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#include "ext/standard/credits.h"
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#include "zend_smart_str.h"
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#include "php_variables.h"
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#include "php_globals.h"
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#include "php_content_types.h"
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#include "SAPI.h"
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#include "zend_globals.h"
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#ifdef PHP_WIN32
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# include "win32/php_inttypes.h"
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#endif
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/* for systems that need to override reading of environment variables */
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void _php_import_environment_variables(zval *array_ptr);
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PHPAPI void (*php_import_environment_variables)(zval *array_ptr) = _php_import_environment_variables;
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PHPAPI void php_register_variable(char *var, char *strval, zval *track_vars_array)
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{
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php_register_variable_safe(var, strval, strlen(strval), track_vars_array);
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}
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/* binary-safe version */
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PHPAPI void php_register_variable_safe(char *var, char *strval, size_t str_len, zval *track_vars_array)
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{
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zval new_entry;
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assert(strval != NULL);
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/* Prepare value */
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ZVAL_NEW_STR(&new_entry, zend_string_init(strval, str_len, 0));
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php_register_variable_ex(var, &new_entry, track_vars_array);
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}
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PHPAPI void php_register_variable_ex(char *var_name, zval *val, zval *track_vars_array)
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{
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char *p = NULL;
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char *ip = NULL; /* index pointer */
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char *index;
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char *var, *var_orig;
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size_t var_len, index_len;
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zval gpc_element, *gpc_element_p;
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zend_bool is_array = 0;
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HashTable *symtable1 = NULL;
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ALLOCA_FLAG(use_heap)
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assert(var_name != NULL);
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if (track_vars_array && Z_TYPE_P(track_vars_array) == IS_ARRAY) {
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symtable1 = Z_ARRVAL_P(track_vars_array);
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}
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if (!symtable1) {
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/* Nothing to do */
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zval_dtor(val);
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return;
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}
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/* ignore leading spaces in the variable name */
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while (*var_name && *var_name==' ') {
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var_name++;
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}
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/*
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* Prepare variable name
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*/
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var_len = strlen(var_name);
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var = var_orig = do_alloca(var_len + 1, use_heap);
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memcpy(var_orig, var_name, var_len + 1);
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/* ensure that we don't have spaces or dots in the variable name (not binary safe) */
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for (p = var; *p; p++) {
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if (*p == ' ' || *p == '.') {
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*p='_';
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} else if (*p == '[') {
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is_array = 1;
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ip = p;
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*p = 0;
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break;
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}
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}
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var_len = p - var;
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if (var_len==0) { /* empty variable name, or variable name with a space in it */
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zval_dtor(val);
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free_alloca(var_orig, use_heap);
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return;
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}
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/* GLOBALS hijack attempt, reject parameter */
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if (symtable1 == &EG(symbol_table) &&
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var_len == sizeof("GLOBALS")-1 &&
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!memcmp(var, "GLOBALS", sizeof("GLOBALS")-1)) {
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zval_dtor(val);
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free_alloca(var_orig, use_heap);
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return;
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}
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index = var;
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index_len = var_len;
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if (is_array) {
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int nest_level = 0;
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while (1) {
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char *index_s;
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size_t new_idx_len = 0;
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if(++nest_level > PG(max_input_nesting_level)) {
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HashTable *ht;
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/* too many levels of nesting */
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if (track_vars_array) {
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ht = Z_ARRVAL_P(track_vars_array);
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zend_symtable_str_del(ht, var, var_len);
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}
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zval_dtor(val);
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/* do not output the error message to the screen,
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this helps us to to avoid "information disclosure" */
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if (!PG(display_errors)) {
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php_error_docref(NULL, E_WARNING, "Input variable nesting level exceeded " ZEND_LONG_FMT ". To increase the limit change max_input_nesting_level in php.ini.", PG(max_input_nesting_level));
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}
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free_alloca(var_orig, use_heap);
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return;
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}
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ip++;
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index_s = ip;
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if (isspace(*ip)) {
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ip++;
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}
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if (*ip==']') {
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index_s = NULL;
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} else {
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ip = strchr(ip, ']');
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if (!ip) {
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/* PHP variables cannot contain '[' in their names, so we replace the character with a '_' */
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*(index_s - 1) = '_';
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index_len = 0;
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if (index) {
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index_len = strlen(index);
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}
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goto plain_var;
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return;
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}
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*ip = 0;
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new_idx_len = strlen(index_s);
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}
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if (!index) {
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array_init(&gpc_element);
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if ((gpc_element_p = zend_hash_next_index_insert(symtable1, &gpc_element)) == NULL) {
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zval_ptr_dtor(&gpc_element);
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zval_dtor(val);
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free_alloca(var_orig, use_heap);
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return;
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}
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} else {
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gpc_element_p = zend_symtable_str_find(symtable1, index, index_len);
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if (!gpc_element_p) {
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zval tmp;
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array_init(&tmp);
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gpc_element_p = zend_symtable_str_update_ind(symtable1, index, index_len, &tmp);
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} else {
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if (Z_TYPE_P(gpc_element_p) == IS_INDIRECT) {
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gpc_element_p = Z_INDIRECT_P(gpc_element_p);
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}
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if (Z_TYPE_P(gpc_element_p) != IS_ARRAY) {
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zval_ptr_dtor(gpc_element_p);
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array_init(gpc_element_p);
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}
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}
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}
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symtable1 = Z_ARRVAL_P(gpc_element_p);
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/* ip pointed to the '[' character, now obtain the key */
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index = index_s;
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index_len = new_idx_len;
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ip++;
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if (*ip == '[') {
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is_array = 1;
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*ip = 0;
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} else {
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goto plain_var;
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}
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}
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} else {
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plain_var:
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ZVAL_COPY_VALUE(&gpc_element, val);
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if (!index) {
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if ((gpc_element_p = zend_hash_next_index_insert(symtable1, &gpc_element)) == NULL) {
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zval_ptr_dtor(&gpc_element);
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}
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} else {
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/*
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* According to rfc2965, more specific paths are listed above the less specific ones.
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* If we encounter a duplicate cookie name, we should skip it, since it is not possible
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* to have the same (plain text) cookie name for the same path and we should not overwrite
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* more specific cookies with the less specific ones.
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*/
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if (Z_TYPE(PG(http_globals)[TRACK_VARS_COOKIE]) != IS_UNDEF &&
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symtable1 == Z_ARRVAL(PG(http_globals)[TRACK_VARS_COOKIE]) &&
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zend_symtable_str_exists(symtable1, index, index_len)) {
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zval_ptr_dtor(&gpc_element);
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} else {
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gpc_element_p = zend_symtable_str_update_ind(symtable1, index, index_len, &gpc_element);
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}
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}
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}
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free_alloca(var_orig, use_heap);
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}
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typedef struct post_var_data {
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smart_str str;
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char *ptr;
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char *end;
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uint64_t cnt;
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} post_var_data_t;
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static zend_bool add_post_var(zval *arr, post_var_data_t *var, zend_bool eof)
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{
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char *ksep, *vsep, *val;
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size_t klen, vlen;
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/* FIXME: string-size_t */
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size_t new_vlen;
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if (var->ptr >= var->end) {
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return 0;
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}
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vsep = memchr(var->ptr, '&', var->end - var->ptr);
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if (!vsep) {
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if (!eof) {
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return 0;
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} else {
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vsep = var->end;
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}
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}
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ksep = memchr(var->ptr, '=', vsep - var->ptr);
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if (ksep) {
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*ksep = '\0';
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/* "foo=bar&" or "foo=&" */
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klen = ksep - var->ptr;
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vlen = vsep - ++ksep;
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} else {
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ksep = "";
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/* "foo&" */
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klen = vsep - var->ptr;
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vlen = 0;
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}
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php_url_decode(var->ptr, klen);
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val = estrndup(ksep, vlen);
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if (vlen) {
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vlen = php_url_decode(val, vlen);
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}
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if (sapi_module.input_filter(PARSE_POST, var->ptr, &val, vlen, &new_vlen)) {
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php_register_variable_safe(var->ptr, val, new_vlen, arr);
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}
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efree(val);
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var->ptr = vsep + (vsep != var->end);
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return 1;
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}
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static inline int add_post_vars(zval *arr, post_var_data_t *vars, zend_bool eof)
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{
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uint64_t max_vars = PG(max_input_vars);
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vars->ptr = vars->str.s->val;
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vars->end = vars->str.s->val + vars->str.s->len;
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while (add_post_var(arr, vars, eof)) {
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if (++vars->cnt > max_vars) {
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php_error_docref(NULL, E_WARNING,
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"Input variables exceeded %" PRIu64 ". "
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"To increase the limit change max_input_vars in php.ini.",
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max_vars);
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return FAILURE;
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}
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}
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if (!eof) {
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memmove(vars->str.s->val, vars->ptr, vars->str.s->len = vars->end - vars->ptr);
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}
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return SUCCESS;
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}
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SAPI_API SAPI_POST_HANDLER_FUNC(php_std_post_handler)
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{
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zval *arr = (zval *) arg;
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php_stream *s = SG(request_info).request_body;
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post_var_data_t post_data;
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if (s && SUCCESS == php_stream_rewind(s)) {
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memset(&post_data, 0, sizeof(post_data));
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while (!php_stream_eof(s)) {
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char buf[BUFSIZ] = {0};
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size_t len = php_stream_read(s, buf, BUFSIZ);
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if (len && len != (size_t) -1) {
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smart_str_appendl(&post_data.str, buf, len);
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if (SUCCESS != add_post_vars(arr, &post_data, 0)) {
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smart_str_free(&post_data.str);
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return;
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}
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}
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if (len != BUFSIZ){
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break;
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}
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}
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if (post_data.str.s) {
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add_post_vars(arr, &post_data, 1);
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smart_str_free(&post_data.str);
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}
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}
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}
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SAPI_API SAPI_INPUT_FILTER_FUNC(php_default_input_filter)
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{
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/* TODO: check .ini setting here and apply user-defined input filter */
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if(new_val_len) *new_val_len = val_len;
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return 1;
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}
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SAPI_API SAPI_TREAT_DATA_FUNC(php_default_treat_data)
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{
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char *res = NULL, *var, *val, *separator = NULL;
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const char *c_var;
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zval array;
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int free_buffer = 0;
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char *strtok_buf = NULL;
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zend_long count = 0;
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ZVAL_UNDEF(&array);
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switch (arg) {
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case PARSE_POST:
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case PARSE_GET:
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case PARSE_COOKIE:
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array_init(&array);
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switch (arg) {
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case PARSE_POST:
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zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_POST]);
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ZVAL_COPY_VALUE(&PG(http_globals)[TRACK_VARS_POST], &array);
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break;
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case PARSE_GET:
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zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_GET]);
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ZVAL_COPY_VALUE(&PG(http_globals)[TRACK_VARS_GET], &array);
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break;
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case PARSE_COOKIE:
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zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_COOKIE]);
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ZVAL_COPY_VALUE(&PG(http_globals)[TRACK_VARS_COOKIE], &array);
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break;
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}
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break;
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default:
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ZVAL_COPY_VALUE(&array, destArray);
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break;
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}
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|
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if (arg == PARSE_POST) {
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sapi_handle_post(&array);
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return;
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}
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|
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if (arg == PARSE_GET) { /* GET data */
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c_var = SG(request_info).query_string;
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if (c_var && *c_var) {
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res = (char *) estrdup(c_var);
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free_buffer = 1;
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} else {
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free_buffer = 0;
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}
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} else if (arg == PARSE_COOKIE) { /* Cookie data */
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c_var = SG(request_info).cookie_data;
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if (c_var && *c_var) {
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res = (char *) estrdup(c_var);
|
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free_buffer = 1;
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} else {
|
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free_buffer = 0;
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}
|
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} else if (arg == PARSE_STRING) { /* String data */
|
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res = str;
|
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free_buffer = 1;
|
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}
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|
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if (!res) {
|
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return;
|
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}
|
|
|
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switch (arg) {
|
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case PARSE_GET:
|
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case PARSE_STRING:
|
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separator = (char *) estrdup(PG(arg_separator).input);
|
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break;
|
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case PARSE_COOKIE:
|
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separator = ";\0";
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break;
|
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}
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|
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var = php_strtok_r(res, separator, &strtok_buf);
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|
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while (var) {
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val = strchr(var, '=');
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|
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if (arg == PARSE_COOKIE) {
|
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/* Remove leading spaces from cookie names, needed for multi-cookie header where ; can be followed by a space */
|
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while (isspace(*var)) {
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var++;
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}
|
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if (var == val || *var == '\0') {
|
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goto next_cookie;
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}
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}
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|
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if (++count > PG(max_input_vars)) {
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php_error_docref(NULL, E_WARNING, "Input variables exceeded " ZEND_LONG_FMT ". To increase the limit change max_input_vars in php.ini.", PG(max_input_vars));
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break;
|
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}
|
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|
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if (val) { /* have a value */
|
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size_t val_len;
|
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size_t new_val_len;
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|
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*val++ = '\0';
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php_url_decode(var, strlen(var));
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val_len = php_url_decode(val, strlen(val));
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val = estrndup(val, val_len);
|
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if (sapi_module.input_filter(arg, var, &val, val_len, &new_val_len)) {
|
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php_register_variable_safe(var, val, new_val_len, &array);
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}
|
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efree(val);
|
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} else {
|
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size_t val_len;
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size_t new_val_len;
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|
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php_url_decode(var, strlen(var));
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val_len = 0;
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val = estrndup("", val_len);
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if (sapi_module.input_filter(arg, var, &val, val_len, &new_val_len)) {
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php_register_variable_safe(var, val, new_val_len, &array);
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}
|
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efree(val);
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}
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next_cookie:
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var = php_strtok_r(NULL, separator, &strtok_buf);
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}
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|
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if (arg != PARSE_COOKIE) {
|
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efree(separator);
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}
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|
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if (free_buffer) {
|
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efree(res);
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}
|
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}
|
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|
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void _php_import_environment_variables(zval *array_ptr)
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{
|
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char buf[128];
|
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char **env, *p, *t = buf;
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size_t alloc_size = sizeof(buf);
|
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unsigned long nlen; /* ptrdiff_t is not portable */
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|
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for (env = environ; env != NULL && *env != NULL; env++) {
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p = strchr(*env, '=');
|
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if (!p) { /* malformed entry? */
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continue;
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}
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nlen = p - *env;
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if (nlen >= alloc_size) {
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alloc_size = nlen + 64;
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t = (t == buf ? emalloc(alloc_size): erealloc(t, alloc_size));
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}
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memcpy(t, *env, nlen);
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t[nlen] = '\0';
|
|
php_register_variable(t, p + 1, array_ptr);
|
|
}
|
|
if (t != buf && t != NULL) {
|
|
efree(t);
|
|
}
|
|
}
|
|
|
|
zend_bool php_std_auto_global_callback(char *name, uint name_len)
|
|
{
|
|
zend_printf("%s\n", name);
|
|
return 0; /* don't rearm */
|
|
}
|
|
|
|
/* {{{ php_build_argv
|
|
*/
|
|
static void php_build_argv(char *s, zval *track_vars_array)
|
|
{
|
|
zval arr, argc, tmp;
|
|
int count = 0;
|
|
char *ss, *space;
|
|
|
|
if (!(SG(request_info).argc || track_vars_array)) {
|
|
return;
|
|
}
|
|
|
|
array_init(&arr);
|
|
|
|
/* Prepare argv */
|
|
if (SG(request_info).argc) { /* are we in cli sapi? */
|
|
int i;
|
|
for (i = 0; i < SG(request_info).argc; i++) {
|
|
ZVAL_STRING(&tmp, SG(request_info).argv[i]);
|
|
if (zend_hash_next_index_insert(Z_ARRVAL(arr), &tmp) == NULL) {
|
|
zend_string_free(Z_STR(tmp));
|
|
}
|
|
}
|
|
} else if (s && *s) {
|
|
ss = s;
|
|
while (ss) {
|
|
space = strchr(ss, '+');
|
|
if (space) {
|
|
*space = '\0';
|
|
}
|
|
/* auto-type */
|
|
ZVAL_STRING(&tmp, ss);
|
|
count++;
|
|
if (zend_hash_next_index_insert(Z_ARRVAL(arr), &tmp) == NULL) {
|
|
zend_string_free(Z_STR(tmp));
|
|
}
|
|
if (space) {
|
|
*space = '+';
|
|
ss = space + 1;
|
|
} else {
|
|
ss = space;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* prepare argc */
|
|
if (SG(request_info).argc) {
|
|
ZVAL_LONG(&argc, SG(request_info).argc);
|
|
} else {
|
|
ZVAL_LONG(&argc, count);
|
|
}
|
|
|
|
if (SG(request_info).argc) {
|
|
Z_ADDREF(arr);
|
|
zend_hash_str_update(&EG(symbol_table), "argv", sizeof("argv")-1, &arr);
|
|
zend_hash_str_add(&EG(symbol_table), "argc", sizeof("argc")-1, &argc);
|
|
}
|
|
if (track_vars_array && Z_TYPE_P(track_vars_array) == IS_ARRAY) {
|
|
Z_ADDREF(arr);
|
|
zend_hash_str_update(Z_ARRVAL_P(track_vars_array), "argv", sizeof("argv")-1, &arr);
|
|
zend_hash_str_update(Z_ARRVAL_P(track_vars_array), "argc", sizeof("argc")-1, &argc);
|
|
}
|
|
zval_ptr_dtor(&arr);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_register_server_variables
|
|
*/
|
|
static inline void php_register_server_variables(void)
|
|
{
|
|
zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_SERVER]);
|
|
array_init(&PG(http_globals)[TRACK_VARS_SERVER]);
|
|
|
|
/* Server variables */
|
|
if (sapi_module.register_server_variables) {
|
|
sapi_module.register_server_variables(&PG(http_globals)[TRACK_VARS_SERVER]);
|
|
}
|
|
|
|
/* PHP Authentication support */
|
|
if (SG(request_info).auth_user) {
|
|
php_register_variable("PHP_AUTH_USER", SG(request_info).auth_user, &PG(http_globals)[TRACK_VARS_SERVER]);
|
|
}
|
|
if (SG(request_info).auth_password) {
|
|
php_register_variable("PHP_AUTH_PW", SG(request_info).auth_password, &PG(http_globals)[TRACK_VARS_SERVER]);
|
|
}
|
|
if (SG(request_info).auth_digest) {
|
|
php_register_variable("PHP_AUTH_DIGEST", SG(request_info).auth_digest, &PG(http_globals)[TRACK_VARS_SERVER]);
|
|
}
|
|
/* store request init time */
|
|
{
|
|
zval request_time_float, request_time_long;
|
|
ZVAL_DOUBLE(&request_time_float, sapi_get_request_time());
|
|
php_register_variable_ex("REQUEST_TIME_FLOAT", &request_time_float, &PG(http_globals)[TRACK_VARS_SERVER]);
|
|
ZVAL_LONG(&request_time_long, zend_dval_to_lval(Z_DVAL(request_time_float)));
|
|
php_register_variable_ex("REQUEST_TIME", &request_time_long, &PG(http_globals)[TRACK_VARS_SERVER]);
|
|
}
|
|
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_autoglobal_merge
|
|
*/
|
|
static void php_autoglobal_merge(HashTable *dest, HashTable *src)
|
|
{
|
|
zval *src_entry, *dest_entry;
|
|
zend_string *string_key;
|
|
zend_ulong num_key;
|
|
int globals_check = (dest == (&EG(symbol_table)));
|
|
|
|
ZEND_HASH_FOREACH_KEY_VAL(src, num_key, string_key, src_entry) {
|
|
if (Z_TYPE_P(src_entry) != IS_ARRAY
|
|
|| (string_key && (dest_entry = zend_hash_find(dest, string_key)) == NULL)
|
|
|| (string_key == NULL && (dest_entry = zend_hash_index_find(dest, num_key)) == NULL)
|
|
|| Z_TYPE_P(dest_entry) != IS_ARRAY) {
|
|
if (Z_REFCOUNTED_P(src_entry)) {
|
|
Z_ADDREF_P(src_entry);
|
|
}
|
|
if (string_key) {
|
|
if (!globals_check || string_key->len != sizeof("GLOBALS") - 1
|
|
|| memcmp(string_key->val, "GLOBALS", sizeof("GLOBALS") - 1)) {
|
|
zend_hash_update(dest, string_key, src_entry);
|
|
} else if (Z_REFCOUNTED_P(src_entry)) {
|
|
Z_DELREF_P(src_entry);
|
|
}
|
|
} else {
|
|
zend_hash_index_update(dest, num_key, src_entry);
|
|
}
|
|
} else {
|
|
SEPARATE_ZVAL(dest_entry);
|
|
php_autoglobal_merge(Z_ARRVAL_P(dest_entry), Z_ARRVAL_P(src_entry));
|
|
}
|
|
} ZEND_HASH_FOREACH_END();
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ php_hash_environment
|
|
*/
|
|
PHPAPI int php_hash_environment(void)
|
|
{
|
|
memset(PG(http_globals), 0, sizeof(PG(http_globals)));
|
|
zend_activate_auto_globals();
|
|
if (PG(register_argc_argv)) {
|
|
php_build_argv(SG(request_info).query_string, &PG(http_globals)[TRACK_VARS_SERVER]);
|
|
}
|
|
return SUCCESS;
|
|
}
|
|
/* }}} */
|
|
|
|
static zend_bool php_auto_globals_create_get(zend_string *name)
|
|
{
|
|
if (PG(variables_order) && (strchr(PG(variables_order),'G') || strchr(PG(variables_order),'g'))) {
|
|
sapi_module.treat_data(PARSE_GET, NULL, NULL);
|
|
} else {
|
|
zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_GET]);
|
|
array_init(&PG(http_globals)[TRACK_VARS_GET]);
|
|
}
|
|
|
|
zend_hash_update(&EG(symbol_table), name, &PG(http_globals)[TRACK_VARS_GET]);
|
|
Z_ADDREF(PG(http_globals)[TRACK_VARS_GET]);
|
|
|
|
return 0; /* don't rearm */
|
|
}
|
|
|
|
static zend_bool php_auto_globals_create_post(zend_string *name)
|
|
{
|
|
if (PG(variables_order) &&
|
|
(strchr(PG(variables_order),'P') || strchr(PG(variables_order),'p')) &&
|
|
!SG(headers_sent) &&
|
|
SG(request_info).request_method &&
|
|
!strcasecmp(SG(request_info).request_method, "POST")) {
|
|
sapi_module.treat_data(PARSE_POST, NULL, NULL);
|
|
} else {
|
|
zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_POST]);
|
|
array_init(&PG(http_globals)[TRACK_VARS_POST]);
|
|
}
|
|
|
|
zend_hash_update(&EG(symbol_table), name, &PG(http_globals)[TRACK_VARS_POST]);
|
|
Z_ADDREF(PG(http_globals)[TRACK_VARS_POST]);
|
|
|
|
return 0; /* don't rearm */
|
|
}
|
|
|
|
static zend_bool php_auto_globals_create_cookie(zend_string *name)
|
|
{
|
|
if (PG(variables_order) && (strchr(PG(variables_order),'C') || strchr(PG(variables_order),'c'))) {
|
|
sapi_module.treat_data(PARSE_COOKIE, NULL, NULL);
|
|
} else {
|
|
zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_COOKIE]);
|
|
array_init(&PG(http_globals)[TRACK_VARS_COOKIE]);
|
|
}
|
|
|
|
zend_hash_update(&EG(symbol_table), name, &PG(http_globals)[TRACK_VARS_COOKIE]);
|
|
Z_ADDREF(PG(http_globals)[TRACK_VARS_COOKIE]);
|
|
|
|
return 0; /* don't rearm */
|
|
}
|
|
|
|
static zend_bool php_auto_globals_create_files(zend_string *name)
|
|
{
|
|
if (Z_TYPE(PG(http_globals)[TRACK_VARS_FILES]) == IS_UNDEF) {
|
|
array_init(&PG(http_globals)[TRACK_VARS_FILES]);
|
|
}
|
|
|
|
zend_hash_update(&EG(symbol_table), name, &PG(http_globals)[TRACK_VARS_FILES]);
|
|
Z_ADDREF(PG(http_globals)[TRACK_VARS_FILES]);
|
|
|
|
return 0; /* don't rearm */
|
|
}
|
|
|
|
static zend_bool php_auto_globals_create_server(zend_string *name)
|
|
{
|
|
if (PG(variables_order) && (strchr(PG(variables_order),'S') || strchr(PG(variables_order),'s'))) {
|
|
php_register_server_variables();
|
|
|
|
if (PG(register_argc_argv)) {
|
|
if (SG(request_info).argc) {
|
|
zval *argc, *argv;
|
|
|
|
if ((argc = zend_hash_str_find(&EG(symbol_table), "argc", sizeof("argc")-1)) != NULL &&
|
|
(argv = zend_hash_str_find(&EG(symbol_table), "argv", sizeof("argv")-1)) != NULL) {
|
|
Z_ADDREF_P(argv);
|
|
zend_hash_str_update(Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER]), "argv", sizeof("argv")-1, argv);
|
|
zend_hash_str_update(Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER]), "argc", sizeof("argc")-1, argc);
|
|
}
|
|
} else {
|
|
php_build_argv(SG(request_info).query_string, &PG(http_globals)[TRACK_VARS_SERVER]);
|
|
}
|
|
}
|
|
|
|
} else {
|
|
zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_SERVER]);
|
|
array_init(&PG(http_globals)[TRACK_VARS_SERVER]);
|
|
}
|
|
|
|
zend_hash_update(&EG(symbol_table), name, &PG(http_globals)[TRACK_VARS_SERVER]);
|
|
Z_ADDREF(PG(http_globals)[TRACK_VARS_SERVER]);
|
|
|
|
return 0; /* don't rearm */
|
|
}
|
|
|
|
static zend_bool php_auto_globals_create_env(zend_string *name)
|
|
{
|
|
zval_ptr_dtor(&PG(http_globals)[TRACK_VARS_ENV]);
|
|
array_init(&PG(http_globals)[TRACK_VARS_ENV]);
|
|
|
|
if (PG(variables_order) && (strchr(PG(variables_order),'E') || strchr(PG(variables_order),'e'))) {
|
|
php_import_environment_variables(&PG(http_globals)[TRACK_VARS_ENV]);
|
|
}
|
|
|
|
zend_hash_update(&EG(symbol_table), name, &PG(http_globals)[TRACK_VARS_ENV]);
|
|
Z_ADDREF(PG(http_globals)[TRACK_VARS_ENV]);
|
|
|
|
return 0; /* don't rearm */
|
|
}
|
|
|
|
static zend_bool php_auto_globals_create_request(zend_string *name)
|
|
{
|
|
zval form_variables;
|
|
unsigned char _gpc_flags[3] = {0, 0, 0};
|
|
char *p;
|
|
|
|
array_init(&form_variables);
|
|
|
|
if (PG(request_order) != NULL) {
|
|
p = PG(request_order);
|
|
} else {
|
|
p = PG(variables_order);
|
|
}
|
|
|
|
for (; p && *p; p++) {
|
|
switch (*p) {
|
|
case 'g':
|
|
case 'G':
|
|
if (!_gpc_flags[0]) {
|
|
php_autoglobal_merge(Z_ARRVAL(form_variables), Z_ARRVAL(PG(http_globals)[TRACK_VARS_GET]));
|
|
_gpc_flags[0] = 1;
|
|
}
|
|
break;
|
|
case 'p':
|
|
case 'P':
|
|
if (!_gpc_flags[1]) {
|
|
php_autoglobal_merge(Z_ARRVAL(form_variables), Z_ARRVAL(PG(http_globals)[TRACK_VARS_POST]));
|
|
_gpc_flags[1] = 1;
|
|
}
|
|
break;
|
|
case 'c':
|
|
case 'C':
|
|
if (!_gpc_flags[2]) {
|
|
php_autoglobal_merge(Z_ARRVAL(form_variables), Z_ARRVAL(PG(http_globals)[TRACK_VARS_COOKIE]));
|
|
_gpc_flags[2] = 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
zend_hash_update(&EG(symbol_table), name, &form_variables);
|
|
return 0;
|
|
}
|
|
|
|
void php_startup_auto_globals(void)
|
|
{
|
|
zend_register_auto_global(zend_string_init("_GET", sizeof("_GET")-1, 1), 0, php_auto_globals_create_get);
|
|
zend_register_auto_global(zend_string_init("_POST", sizeof("_POST")-1, 1), 0, php_auto_globals_create_post);
|
|
zend_register_auto_global(zend_string_init("_COOKIE", sizeof("_COOKIE")-1, 1), 0, php_auto_globals_create_cookie);
|
|
zend_register_auto_global(zend_string_init("_SERVER", sizeof("_SERVER")-1, 1), PG(auto_globals_jit), php_auto_globals_create_server);
|
|
zend_register_auto_global(zend_string_init("_ENV", sizeof("_ENV")-1, 1), PG(auto_globals_jit), php_auto_globals_create_env);
|
|
zend_register_auto_global(zend_string_init("_REQUEST", sizeof("_REQUEST")-1, 1), PG(auto_globals_jit), php_auto_globals_create_request);
|
|
zend_register_auto_global(zend_string_init("_FILES", sizeof("_FILES")-1, 1), 0, php_auto_globals_create_files);
|
|
}
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
* vim600: sw=4 ts=4 fdm=marker
|
|
* vim<600: sw=4 ts=4
|
|
*/
|