diff options
Diffstat (limited to 'src/server.cpp')
| -rw-r--r-- | src/server.cpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/server.cpp b/src/server.cpp index 96e64b314..ca166eaef 100644 --- a/src/server.cpp +++ b/src/server.cpp @@ -1966,6 +1966,23 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) derr_server<<DTIME<<"Server: Cannot negotiate " "serialization version with peer " <<peer_id<<std::endl; + SendAccessDenied(m_con, peer_id, + L"Your client is too old (map format)"); + return; + } + + /* + Check network protocol version + */ + u16 net_proto_version = 0; + if(datasize >= 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2) + { + net_proto_version = readU16(&data[2+1+PLAYERNAME_SIZE+PASSWORD_SIZE]); + } + if(net_proto_version == 0) + { + SendAccessDenied(m_con, peer_id, + L"Your client is too old (network protocol)"); return; } @@ -1999,7 +2016,7 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id) // Get password char password[PASSWORD_SIZE]; - if(datasize == 2+1+PLAYERNAME_SIZE) + if(datasize >= 2+1+PLAYERNAME_SIZE) { // old version - assume blank password password[0] = 0; |