string RoutingCompiler_iosacl::PrintRule::RoutingRuleToString(RoutingRule *rule)
{
FWObject *ref;
RuleElementRDst *dstrel = rule->getRDst();
ref = dstrel->front();
Address *dst = Address::cast(FWReference::cast(ref)->getPointer());
if(dst == nullptr) compiler->abort(rule, "Broken DST");
std::ostringstream command_line;
command_line << "ip route ";
command_line << _printRDst(rule);
command_line << _printRGtw(rule);
command_line << _printRItf(rule);
// default metric in IOS is 1 (can't have metric 0)
if (rule->getMetricAsString() == "0")
{
command_line << "1";
} else {
command_line << rule->getMetricAsString();
}
command_line << endl;
return command_line.str();
}
string RoutingCompiler_cisco::PrintRule::_printRDst(RoutingRule *rule)
{
FWObject *ref;
RuleElementRDst *dstrel = rule->getRDst();
ref = dstrel->front();
Address *dst = Address::cast(FWReference::cast(ref)->getPointer());
if (dst==NULL) compiler->abort(rule, "Broken DST");
string dest = _printAddr(dst);
if (dest != "default ") return dest;
else return "0.0.0.0 0.0.0.0 ";
}
bool RoutingCompiler_openbsd::FindDefaultRoute::processNext()
{
RoutingCompiler_openbsd *bsd_comp = dynamic_cast<RoutingCompiler_openbsd*>(compiler);
RoutingRule *rule;
rule=getNext(); if (rule==NULL) return false;
RuleElementRDst *dstrel = rule->getRDst();
FWObject *ref = dstrel->front();
Address *dst = Address::cast(FWReference::cast(ref)->getPointer());
if (dst->isAny()) bsd_comp->have_default_route = true;
tmp_queue.push_back(rule);
return true;
}
/*
* Call this after converting to atomic rules by DST to be sure there
* is just one object in DST.
*/
bool RoutingCompiler::sameDestinationDifferentGateways::processNext()
{
slurp();
if (tmp_queue.size()==0) return false;
// map destination to gateway.
std::map<string, string> dst_to_gw;
std::map<string, string> dst_to_rule;
for (deque<Rule*>::iterator k=tmp_queue.begin(); k!=tmp_queue.end(); ++k)
{
RoutingRule *rule = RoutingRule::cast( *k );
RuleElementRDst *dstrel = rule->getRDst();
Address *dst = Address::cast(FWReference::getObject(dstrel->front()));
const InetAddr* dst_addr = dst->getAddressPtr();
const InetAddr* dst_netm = dst->getNetmaskPtr();
string key = dst_addr->toString() + "/" + dst_netm->toString();
// RuleElementRItf *itfrel = rule->getRItf();
// FWObject *itf = FWReference::cast(itfrel->front())->getPointer();
RuleElementRGtw *gtwrel = rule->getRGtw();
Address *gtw = Address::cast(FWReference::getObject(gtwrel->front()));
const InetAddr* gtw_addr = gtw->getAddressPtr();
const InetAddr* gtw_netm = gtw->getNetmaskPtr();
string val = gtw_addr->toString() + "/" + gtw_netm->toString();
if (!dst_to_gw[key].empty() && dst_to_gw[key] != val)
{
compiler->abort(
rule,
"Rules " + dst_to_rule[key] + " and " + rule->getLabel() +
" define routes to the same destination " + key +
" via different gateways. This configuration is not supported"
" for " + compiler->fw->getStr("host_OS"));
} else
{
dst_to_gw[key] = val;
dst_to_rule[key] = rule->getLabel();
}
}
return true;
}