Exemplo n.º 1
0
        //send peer credentials null byte
        //different platforms do this in different ways
#if HAVE_CMSGCRED
        unsafe void WriteBsdCred()
        {
            //null credentials byte
            byte buf = 0;

            IOVector iov = new IOVector();

            iov.Base   = (IntPtr)(&buf);
            iov.Length = 1;

            msghdr msg = new msghdr();

            msg.msg_iov    = &iov;
            msg.msg_iovlen = 1;

            cmsg cm = new cmsg();

            msg.msg_control    = (IntPtr)(&cm);
            msg.msg_controllen = (uint)sizeof(cmsg);
            cm.hdr.cmsg_len    = (uint)sizeof(cmsg);
            cm.hdr.cmsg_level  = 0xffff;         //SOL_SOCKET
            cm.hdr.cmsg_type   = 0x03;           //SCM_CREDS

            int written = UnixSocket.sendmsg(socket.Handle, (IntPtr)(&msg), 0);

            UnixMarshal.ThrowExceptionForLastErrorIf(written);
            if (written != 1)
            {
                throw new Exception("Failed to write credentials");
            }
        }