int
u_rangeempty(struct u_range *range)
{
return u_addrempty(&range->addr);
}
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);
}