Beispiel #1
0
Datei: ip.c Projekt: vstakhov/mpd
int 
u_rangeempty(struct u_range *range)
{
	return u_addrempty(&range->addr);
}
Beispiel #2
0
static void
IpcpLayerUp(Fsm fp)
{
    Bund 			b = (Bund)fp->arg;
    IpcpState			const ipcp = &b->ipcp;
    char			ipbuf[20];
#ifdef USE_NG_VJC
    char			path[NG_PATHSIZ];
    struct ngm_vjc_config	vjc;
#endif
    struct u_addr		tmp;

    /* Determine actual address we'll use for ourselves */
    in_addrtou_addr(&ipcp->want_addr, &tmp);
    if (!IpAddrInRange(&ipcp->self_allow, &tmp)) {
	Log(LG_IPCP, ("[%s]   Note: ignoring negotiated %s IP %s,",
    	    b->name, "self", inet_ntoa(ipcp->want_addr)));
	u_addrtoin_addr(&ipcp->self_allow.addr, &ipcp->want_addr);
	Log(LG_IPCP, ("[%s]        using %s instead.",
    	    b->name, inet_ntoa(ipcp->want_addr)));
    }

    /* Determine actual address we'll use for peer */
    in_addrtou_addr(&ipcp->peer_addr, &tmp);
    if (!IpAddrInRange(&ipcp->peer_allow, &tmp)
    	    && !u_addrempty(&ipcp->peer_allow.addr)) {
	Log(LG_IPCP, ("[%s]   Note: ignoring negotiated %s IP %s,",
    	    b->name, "peer", inet_ntoa(ipcp->peer_addr)));
	u_addrtoin_addr(&ipcp->peer_allow.addr, &ipcp->peer_addr);
	Log(LG_IPCP, ("[%s]        using %s instead.",
    	    b->name, inet_ntoa(ipcp->peer_addr)));
    }

    /* Report */
    strlcpy(ipbuf, inet_ntoa(ipcp->peer_addr), sizeof(ipbuf));
    Log(LG_IPCP, ("[%s]   %s -> %s", b->name, inet_ntoa(ipcp->want_addr), ipbuf));

#ifdef USE_NG_VJC
    memset(&vjc, 0, sizeof(vjc));
    if (ntohs(ipcp->peer_comp.proto) == PROTO_VJCOMP || 
	    ntohs(ipcp->want_comp.proto) == PROTO_VJCOMP) {
  
	IpcpNgInitVJ(b);

	/* Configure VJ compression node */
	vjc.enableComp = ntohs(ipcp->peer_comp.proto) == PROTO_VJCOMP;
	vjc.enableDecomp = ntohs(ipcp->want_comp.proto) == PROTO_VJCOMP;
	vjc.maxChannel = ipcp->peer_comp.maxchan;
	vjc.compressCID = ipcp->peer_comp.compcid;
        snprintf(path, sizeof(path), "[%x]:%s", b->nodeID, NG_PPP_HOOK_VJC_IP);
	if (NgSendMsg(gLinksCsock, path,
    		NGM_VJC_COOKIE, NGM_VJC_SET_CONFIG, &vjc, sizeof(vjc)) < 0) {
	    Perror("[%s] can't config %s node", b->name, NG_VJC_NODE_TYPE);
	}
    }
#endif /* USE_NG_VJC */

    /* Enable IP packets in the PPP node */
    b->pppConfig.bund.enableIP = 1;
#ifdef USE_NG_VJC
    b->pppConfig.bund.enableVJCompression = vjc.enableComp;
    b->pppConfig.bund.enableVJDecompression = vjc.enableDecomp;
#endif
    NgFuncSetConfig(b);

    BundNcpsJoin(b, NCP_IPCP);
}