mirrors/hello-dns
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superwip

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This commit is contained in:
bert hubert
2018-04-09 17:46:31 +02:00
parent 8694ac87eb
commit cc894edba6
8 changed files with 111 additions and 55 deletions
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45
tdns/tdns.cc
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@ -18,8 +18,6 @@
using namespace std;
std::string serializeDNSName(const dnsname& dn)
{
std::string ret;
@ -31,44 +29,6 @@ std::string serializeDNSName(const dnsname& dn)
return ret;
}
std::string serializeMXRecord(uint16_t prio, const dnsname& mname)
{
SafeArray<256> sa;
sa.putUInt16(prio);
putName(sa, mname);
return sa.serialize();
}
std::string serializeSOARecord(const dnsname& mname, const dnsname& rname, uint32_t serial, uint32_t minimum=3600, uint32_t refresh=10800, uint32_t retry=3600, uint32_t expire=604800)
{
SafeArray<256> sa;
putName(sa, mname); putName(sa, rname);
sa.putUInt32(serial); sa.putUInt32(refresh);
sa.putUInt32(retry); sa.putUInt32(expire);
sa.putUInt32(minimum);
return sa.serialize();
}
std::string serializeARecord(const std::string& src)
{
ComboAddress ca(src);
if(ca.sin4.sin_family != AF_INET)
throw std::runtime_error("Could not convert '"+src+"' to an IPv4 address");
auto p = (const char*)&ca.sin4.sin_addr.s_addr;
return std::string(p, p+4);
}
std::string serializeAAAARecord(const std::string& src)
{
ComboAddress ca(src);
if(ca.sin4.sin_family != AF_INET6)
throw std::runtime_error("Could not convert '"+src+"' to an IPv6 address");
auto p = (const char*)ca.sin6.sin6_addr.s6_addr;
return std::string(p, p+16);
}
bool processQuestion(const DNSNode& zones, DNSMessageReader& dm, const ComboAddress& local, const ComboAddress& remote, DNSMessageWriter& response)
try
{
@ -345,8 +305,9 @@ void loadZones(DNSNode& zones)
{
auto zone = zones.add({"powerdns", "org"});
zone->zone = new DNSNode(); // XXX ICK
zone->zone->rrsets[DNSType::SOA]={{serializeSOARecord({"ns1", "powerdns", "org"}, {"admin", "powerdns", "org"}, 1)}};
zone->zone->rrsets[DNSType::MX]={{serializeMXRecord(25, {"server1", "powerdns", "org"})}};
SOAGenerator::make({"ns1", "powerdns", "org"}, {"admin", "powerdns", "org"}, 1);
// zone->zone->rrsets[DNSType::SOA]={{}};
// zone->zone->rrsets[DNSType::MX]={{serializeMXRecord(25, {"server1", "powerdns", "org"})}};
zone->zone->rrsets[DNSType::A]={{serializeARecord("1.2.3.4")}, 300};
zone->zone->rrsets[DNSType::AAAA]={{serializeAAAARecord("::1"), serializeAAAARecord("2001::1"), serializeAAAARecord("2a02:a440:b085:1:beee:7bff:fe89:f0fb")}, 900};