From c3c5f8b654f9ddaeedeb2d3d5d1caf000e08320e Mon Sep 17 00:00:00 2001 From: Bas van Kervel Date: Thu, 29 Oct 2015 08:40:07 +0100 Subject: rpc: fixed params parsing problem which could lead to a panic check argument type before parsing params recover from panic in ipc channel --- rpc/comms/comms.go | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'rpc/comms') diff --git a/rpc/comms/comms.go b/rpc/comms/comms.go index 731b2f62e..61fba5722 100644 --- a/rpc/comms/comms.go +++ b/rpc/comms/comms.go @@ -62,13 +62,18 @@ type EthereumClient interface { func handle(id int, conn net.Conn, api shared.EthereumApi, c codec.Codec) { codec := c.New(conn) + defer func() { + if r := recover(); r != nil { + glog.Errorf("panic: %v\n", r) + } + codec.Close() + }() + for { requests, isBatch, err := codec.ReadRequest() if err == io.EOF { - codec.Close() return } else if err != nil { - codec.Close() glog.V(logger.Debug).Infof("Closed IPC Conn %06d recv err - %v\n", id, err) return } @@ -87,7 +92,6 @@ func handle(id int, conn net.Conn, api shared.EthereumApi, c codec.Codec) { err = codec.WriteResponse(responses[:responseCount]) if err != nil { - codec.Close() glog.V(logger.Debug).Infof("Closed IPC Conn %06d send err - %v\n", id, err) return } @@ -98,7 +102,6 @@ func handle(id int, conn net.Conn, api shared.EthereumApi, c codec.Codec) { rpcResponse = shared.NewRpcResponse(requests[0].Id, requests[0].Jsonrpc, res, err) err = codec.WriteResponse(rpcResponse) if err != nil { - codec.Close() glog.V(logger.Debug).Infof("Closed IPC Conn %06d send err - %v\n", id, err) return } -- cgit