From 94b7a0076028fa4386b1a1c2212c382b66ff8aca Mon Sep 17 00:00:00 2001
From: Stanislav Malyshev <stas@php.net>
Date: Tue, 28 Apr 2009 21:30:23 +0000
Subject: [PATCH] fix for #47930

---
 ext/filter/filter.c      | 14 +++++++++++++-
 main/SAPI.c              |  9 ++++++++-
 main/SAPI.h              |  3 ++-
 main/php_content_types.c |  2 +-
 4 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/ext/filter/filter.c b/ext/filter/filter.c
index 62b9dbcb25..bbe457de85 100644
--- a/ext/filter/filter.c
+++ b/ext/filter/filter.c
@@ -76,6 +76,7 @@ static const filter_list_entry filter_list[] = {
 #endif
 
 static unsigned int php_sapi_filter(int arg, char *var, char **val, unsigned int val_len, unsigned int *new_val_len TSRMLS_DC);
+static unsigned int php_sapi_filter_init(TSRMLS_D);
 
 /* {{{ arginfo */
 ZEND_BEGIN_ARG_INFO_EX(arginfo_filter_input, 0, 0, 2)
@@ -270,7 +271,7 @@ PHP_MINIT_FUNCTION(filter)
 	REGISTER_LONG_CONSTANT("FILTER_FLAG_NO_RES_RANGE", FILTER_FLAG_NO_RES_RANGE, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("FILTER_FLAG_NO_PRIV_RANGE", FILTER_FLAG_NO_PRIV_RANGE, CONST_CS | CONST_PERSISTENT);
 
-	sapi_register_input_filter(php_sapi_filter);
+	sapi_register_input_filter(php_sapi_filter, php_sapi_filter_init);
 
 	return SUCCESS;
 }
@@ -339,6 +340,17 @@ static filter_list_entry php_find_filter(long id) /* {{{ */
 }
 /* }}} */
 
+static unsigned int php_sapi_filter_init(TSRMLS_D)
+{
+	IF_G(get_array) = NULL;
+	IF_G(post_array) = NULL;
+	IF_G(cookie_array) = NULL;
+	IF_G(server_array) = NULL;
+	IF_G(env_array) = NULL;
+	IF_G(session_array) = NULL;
+	return SUCCESS;
+}
+
 static void php_zval_filter(zval **value, long filter, long flags, zval *options, char* charset, zend_bool copy TSRMLS_DC) /* {{{ */
 {
 	filter_list_entry  filter_func;
diff --git a/main/SAPI.c b/main/SAPI.c
index bc3759829c..4174d206ea 100644
--- a/main/SAPI.c
+++ b/main/SAPI.c
@@ -326,6 +326,9 @@ SAPI_API void sapi_activate_headers_only(TSRMLS_D)
 			sapi_module.activate(TSRMLS_C);
 		}
 	}
+	if (sapi_module.input_filter_init ) {
+		sapi_module.input_filter_init(TSRMLS_C);
+	}
 }
 
 /*
@@ -392,6 +395,9 @@ SAPI_API void sapi_activate(TSRMLS_D)
 			sapi_module.activate(TSRMLS_C);
 		}
 	}
+	if (sapi_module.input_filter_init ) {
+		sapi_module.input_filter_init(TSRMLS_C);
+	}
 }
 
 
@@ -925,13 +931,14 @@ SAPI_API int sapi_register_treat_data(void (*treat_data)(int arg, char *str, zva
 	return SUCCESS;
 }
 
-SAPI_API int sapi_register_input_filter(unsigned int (*input_filter)(int arg, char *var, char **val, unsigned int val_len, unsigned int *new_val_len TSRMLS_DC))
+SAPI_API int sapi_register_input_filter(unsigned int (*input_filter)(int arg, char *var, char **val, unsigned int val_len, unsigned int *new_val_len TSRMLS_DC), unsigned int (*input_filter_init)(TSRMLS_D))
 {
 	TSRMLS_FETCH();
 	if (SG(sapi_started) && EG(in_execution)) {
 		return FAILURE;
 	}
 	sapi_module.input_filter = input_filter;
+	sapi_module.input_filter_init = input_filter_init;
 	return SUCCESS;
 }
 
diff --git a/main/SAPI.h b/main/SAPI.h
index ad5fe7e2b4..329b4ed6b1 100644
--- a/main/SAPI.h
+++ b/main/SAPI.h
@@ -192,7 +192,7 @@ SAPI_API int sapi_register_post_entry(sapi_post_entry *post_entry TSRMLS_DC);
 SAPI_API void sapi_unregister_post_entry(sapi_post_entry *post_entry TSRMLS_DC);
 SAPI_API int sapi_register_default_post_reader(void (*default_post_reader)(TSRMLS_D));
 SAPI_API int sapi_register_treat_data(void (*treat_data)(int arg, char *str, zval *destArray TSRMLS_DC));
-SAPI_API int sapi_register_input_filter(unsigned int (*input_filter)(int arg, char *var, char **val, unsigned int val_len, unsigned int *new_val_len TSRMLS_DC));
+SAPI_API int sapi_register_input_filter(unsigned int (*input_filter)(int arg, char *var, char **val, unsigned int val_len, unsigned int *new_val_len TSRMLS_DC), unsigned int (*input_filter_init)(TSRMLS_D));
 
 SAPI_API int sapi_flush(TSRMLS_D);
 SAPI_API struct stat *sapi_get_stat(TSRMLS_D);
@@ -266,6 +266,7 @@ struct _sapi_module_struct {
 
 	char *ini_entries;
 	const zend_function_entry *additional_functions;
+	unsigned int (*input_filter_init)(TSRMLS_D);
 };
 
 
diff --git a/main/php_content_types.c b/main/php_content_types.c
index 28656befce..7c077e1272 100644
--- a/main/php_content_types.c
+++ b/main/php_content_types.c
@@ -75,7 +75,7 @@ int php_startup_sapi_content_types(TSRMLS_D)
 {
 	sapi_register_default_post_reader(php_default_post_reader);
 	sapi_register_treat_data(php_default_treat_data);
-	sapi_register_input_filter(php_default_input_filter);
+	sapi_register_input_filter(php_default_input_filter, NULL);
 	return SUCCESS;
 }
 /* }}} */
-- 
2.40.0