winhttp: Don't allow socket transfers after receiving close frame.

dlls/winhttp/request.c

@@ -3287,6 +3287,16 @@ static BOOL receive_io_complete( struct socket *socket )
     return count >= 0;
 }
 
+static BOOL socket_can_send( struct socket *socket )
+{
+    return socket->state == SOCKET_STATE_OPEN && !socket->close_frame_received;
+}
+
+static BOOL socket_can_receive( struct socket *socket )
+{
+    return socket->state <= SOCKET_STATE_SHUTDOWN && !socket->close_frame_received;
+}
+
 static enum socket_opcode map_buffer_type( WINHTTP_WEB_SOCKET_BUFFER_TYPE type )
 {
     switch (type)
@@ -3364,7 +3374,7 @@ DWORD WINAPI WinHttpWebSocketSend( HINTERNET hsocket, WINHTTP_WEB_SOCKET_BUFFER_
         release_object( &socket->hdr );
         return ERROR_WINHTTP_INCORRECT_HANDLE_TYPE;
     }
-    if (socket->state != SOCKET_STATE_OPEN)
+    if (!socket_can_send( socket ))
     {
         release_object( &socket->hdr );
         return ERROR_INVALID_OPERATION;
@@ -3723,7 +3733,7 @@ DWORD WINAPI WinHttpWebSocketReceive( HINTERNET hsocket, void *buf, DWORD len, D
         release_object( &socket->hdr );
         return ERROR_WINHTTP_INCORRECT_HANDLE_TYPE;
     }
-    if (socket->state > SOCKET_STATE_SHUTDOWN)
+    if (!socket_can_receive( socket ))
     {
         release_object( &socket->hdr );
         return ERROR_INVALID_OPERATION;

dlls/winhttp/tests/notification.c

@@ -1132,6 +1132,9 @@ static void test_websocket(BOOL secure)
     ok( close_status == 1000, "got %u\n", close_status );
     ok( size <= sizeof(buffer), "got %u\n", size );
 
+    err = pWinHttpWebSocketReceive( socket, buffer, sizeof(buffer), &size, &type );
+    ok( err == ERROR_INVALID_OPERATION, "got %u\n", err );
+
     info.buflen = 0xdeadbeef;
     setup_test( &info, winhttp_websocket_close, __LINE__ );
     err = pWinHttpWebSocketClose( socket, 1000, (void *)"success", sizeof("success") );