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https://github.com/php/php-src.git
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257 lines
7.0 KiB
C
257 lines
7.0 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP version 4.0 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997, 1998, 1999 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.0 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 at through the world-wide-web at |
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| http://www.php.net/license/2_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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| 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 "php3_standard.h"
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#include "php_globals.h"
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#include "SAPI.h"
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#include "zend_globals.h"
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/*
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* parse Get/Post/Cookie string and create appropriate variable
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*
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* This is a tad ugly because it was yanked out of the middle of
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* the old TreatData function. This is a temporary measure filling
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* the gap until a more flexible parser can be built to do this.
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*/
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void php_parse_gpc_data(char *val, char *var, pval *track_vars_array ELS_DC PLS_DC)
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{
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int var_type;
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char *ind, *tmp = NULL, *array_index = NULL;
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int var_len, val_len;
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pval *gpc_element;
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zend_bool do_insert;
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if (!PG(gpc_globals) && !track_vars_array) {
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/* we don't need track_vars, and we're not setting GPC globals either. */
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return;
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}
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var_type = php3_check_ident_type(var);
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if (var_type == GPC_INDEXED_ARRAY) {
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ind = php3_get_ident_index(var);
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if (PG(magic_quotes_gpc)) {
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array_index = php_addslashes(ind, 0, NULL, 1);
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} else {
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array_index = ind;
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}
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}
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if (var_type & GPC_ARRAY) { /* array (indexed or not) */
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tmp = strchr(var, '[');
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if (tmp) {
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*tmp = '\0';
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}
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}
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/* ignore leading spaces in the variable name */
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while (*var && *var==' ') {
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var++;
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}
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var_len = strlen(var);
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if (var_len==0) { /* empty variable name, or variable name with a space in it */
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return;
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}
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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 (tmp=var; *tmp; tmp++) {
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switch(*tmp) {
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case ' ':
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case '.':
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*tmp='_';
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break;
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}
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}
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val_len = strlen(val);
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if (PG(magic_quotes_gpc)) {
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val = php_addslashes(val, val_len, &val_len, 0);
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} else {
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val = estrndup(val, val_len);
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}
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if (var_type & GPC_ARRAY) {
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pval *gpc_element;
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pval **arr_ptr_ptr;
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pval *array_element;
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if (zend_hash_find(EG(active_symbol_table), var, var_len+1, (void **) &arr_ptr_ptr) == FAILURE) {
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/* If the array doesn't exist, create it */
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MAKE_STD_ZVAL(gpc_element);
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array_init(gpc_element);
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do_insert=1;
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} else {
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if ((*arr_ptr_ptr)->type!=IS_ARRAY) {
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if (--(*arr_ptr_ptr)->refcount > 0) {
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MAKE_STD_ZVAL(*arr_ptr_ptr);
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} else {
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zval_dtor(*arr_ptr_ptr);
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}
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array_init(*arr_ptr_ptr);
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}
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gpc_element = *arr_ptr_ptr;
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do_insert=0;
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}
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/* Create the element */
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array_element = (pval *) emalloc(sizeof(pval));
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INIT_PZVAL(array_element);
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array_element->value.str.val = val;
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array_element->value.str.len = val_len;
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array_element->type = IS_STRING;
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/* Insert it */
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if (array_index) {
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/* indexed array */
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if (php3_check_type(array_index) == IS_LONG) {
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/* numeric index */
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zend_hash_index_update(gpc_element->value.ht, atol(array_index), &array_element, sizeof(pval *), NULL); /* s[array_index]=tmp */
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} else {
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/* associative index */
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zend_hash_update(gpc_element->value.ht, array_index, strlen(array_index)+1, &array_element, sizeof(pval *), NULL); /* s["ret"]=tmp */
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}
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efree(array_index);
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} else {
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/* non-indexed array */
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zend_hash_next_index_insert(gpc_element->value.ht, &array_element, sizeof(pval *), NULL);
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}
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} else { /* we have a normal variable */
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MAKE_STD_ZVAL(gpc_element);
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gpc_element->type = IS_STRING;
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gpc_element->refcount = 0;
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gpc_element->value.str.val = val;
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gpc_element->value.str.len = val_len;
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do_insert=1;
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}
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if (do_insert) {
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gpc_element->refcount = 0;
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if (PG(gpc_globals)) {
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zend_hash_update(EG(active_symbol_table), var, var_len+1, &gpc_element, sizeof(pval *), NULL);
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gpc_element->refcount++;
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}
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if (track_vars_array) {
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zend_hash_update(track_vars_array->value.ht, var, var_len+1, &gpc_element, sizeof(pval *), NULL);
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gpc_element->refcount++;
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}
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}
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}
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void php_treat_data(int arg, char *str ELS_DC PLS_DC SLS_DC)
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{
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char *res = NULL, *var, *val;
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pval *array_ptr;
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int free_buffer=0;
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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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if (PG(track_vars)) {
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array_ptr = (pval *) emalloc(sizeof(pval));
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array_init(array_ptr);
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INIT_PZVAL(array_ptr);
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switch (arg) {
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case PARSE_POST:
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zend_hash_add(&EG(symbol_table), "HTTP_POST_VARS", sizeof("HTTP_POST_VARS"), &array_ptr, sizeof(pval *),NULL);
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break;
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case PARSE_GET:
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zend_hash_add(&EG(symbol_table), "HTTP_GET_VARS", sizeof("HTTP_GET_VARS"), &array_ptr, sizeof(pval *),NULL);
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break;
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case PARSE_COOKIE:
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zend_hash_add(&EG(symbol_table), "HTTP_COOKIE_VARS", sizeof("HTTP_COOKIE_VARS"), &array_ptr, sizeof(pval *),NULL);
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break;
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}
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} else {
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array_ptr=NULL;
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}
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break;
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default:
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array_ptr=NULL;
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break;
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}
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if (arg == PARSE_POST) { /* POST data */
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res = SG(request_info).post_data;
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free_buffer = 0;
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} else if (arg == PARSE_GET) { /* GET data */
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var = SG(request_info).query_string;
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if (var && *var) {
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res = (char *) estrdup(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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var = SG(request_info).cookie_data;
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if (var && *var) {
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res = (char *) estrdup(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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if (!res) {
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return;
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}
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if (arg == PARSE_COOKIE) {
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var = strtok(res, ";");
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} else if (arg == PARSE_POST) {
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var = strtok(res, "&");
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} else {
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var = strtok(res, PG(arg_separator));
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}
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while (var) {
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val = strchr(var, '=');
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if (val) { /* have a value */
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*val++ = '\0';
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/* FIXME: XXX: not binary safe, discards returned length */
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_php3_urldecode(var, strlen(var));
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_php3_urldecode(val, strlen(val));
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php_parse_gpc_data(val,var,array_ptr ELS_CC PLS_CC);
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}
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if (arg == PARSE_COOKIE) {
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var = strtok(NULL, ";");
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} else if (arg == PARSE_POST) {
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var = strtok(NULL, "&");
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} else {
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var = strtok(NULL, PG(arg_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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* 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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