Add always_populate_raw_post_data ini directive and default it to 0 to

maintain current behaviour.  If this is turned on then $HTTP_RAW_POST_DATA
is always populated with a copy of the raw post data.
@ - Add config option (always_populate_raw_post_data) which when enabled
@   will always populate $HTTP_RAW_POST_DATA regardless of the post mime
@   type (Rasmus)

main/SAPI.c

@@ -125,6 +125,7 @@ static void sapi_read_post_data(SLS_D)
 	char *p;
 	char oldchar=0;
 	void (*post_reader_func)(SLS_D);
+	PLS_FETCH();
 
 
 	/* dedicated implementation for increased performance:
@@ -162,6 +163,9 @@ static void sapi_read_post_data(SLS_D)
 	}
 	post_reader_func(SLS_C);
 	SG(request_info).content_type_dup = content_type;
+	if(PG(always_populate_raw_post_data) && sapi_module.default_post_reader) {
+		sapi_module.default_post_reader(SLS_C);
+	}
 }
 
 

main/main.c

@@ -259,6 +259,7 @@ PHP_INI_BEGIN()
 	PHP_INI_ENTRY("disable_functions",			"",			PHP_INI_SYSTEM,		NULL)
 
 	STD_PHP_INI_ENTRY("allow_url_fopen",		"1",		PHP_INI_ALL,		OnUpdateBool,			allow_url_fopen,			php_core_globals,	core_globals)
+	STD_PHP_INI_ENTRY("always_populate_raw_post_data",		"0",		PHP_INI_ALL,		OnUpdateBool,			always_populate_raw_post_data,			php_core_globals,	core_globals)
 
 PHP_INI_END()
 /* }}} */

main/php_content_types.c

@@ -40,7 +40,7 @@ SAPI_POST_READER_FUNC(php_default_post_reader)
 	char *data;
 	ELS_FETCH();
 
-	sapi_read_standard_form_data(SLS_C);
+	if(!SG(request_info).post_data) sapi_read_standard_form_data(SLS_C);
 	data = estrndup(SG(request_info).post_data,SG(request_info).post_data_length);
 	SET_VAR_STRINGL("HTTP_RAW_POST_DATA", data, SG(request_info).post_data_length);
 }

main/php_globals.h

@@ -136,6 +136,8 @@ struct _php_core_globals {
 	zend_bool during_request_startup;
 
 	zend_bool allow_url_fopen;
+
+	zend_bool always_populate_raw_post_data;
 };