MFC r319369: * limit size of buffers to RPC_MAXDATASIZE * don't leak memory * be more picky about bad parametersFrom:https://raw.githubusercontent.com/guidovranken/rpcbomb/master/libtirpc_patch.txthttps://github.com/guidovranken/rpcbomb/blob/master/rpcbind_patch.txtvia NetBSD.
MFC r258578, r258580, r258581 (by hrs):Replace Sun RPC license in TI-RPC library with a 3-clause BSD licensewith the explicit permissions.