remid = ssh_pkt_getuint32(pktin);
    winsize = ssh_pkt_getuint32(pktin);
    pktsize = ssh_pkt_getuint32(pktin);

    if (typelen == 3 && !memcmp(type, "x11", 3)) {
	char *addrstr;
	const char *x11err;

	ssh_pkt_getstring(pktin, &peeraddr, &peeraddrlen);
	addrstr = snewn(peeraddrlen+1, char);
	memcpy(addrstr, peeraddr, peeraddrlen);
	addrstr[peeraddrlen] = '\0';
	peerport = ssh_pkt_getuint32(pktin);

	logeventf(ssh, "Received X11 connect request from %s:%d",
		  addrstr, peerport);

	if (!ssh->X11_fwd_enabled)
	    error = "X11 forwarding is not enabled";
	else if ((x11err = x11_init(&c->u.x11.s, ssh->x11disp, c,
				    addrstr, peerport, &ssh->cfg)) != NULL) {
	    logeventf(ssh, "Local X11 connection failed: %s", x11err);
	    error = "Unable to open an X11 connection";
	} else {
	    logevent("Opening X11 forward connection succeeded");
	    c->type = CHAN_X11;
	}

	sfree(addrstr);