30349644487

Committed 28 Jul 2026 10:09AM UTC coverage: 66.97% (-4.2%) from 71.21%

Build # 30349644487

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #17797 from rgacogne/dnsname-too-long

dnsname: Account for the existing content when parsing labels

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57.29

/pdns/lua-base4.cc

#include "config.h"
#include <cassert>
#include <fstream>
#include <unordered_set>
#include <unordered_map>
#include <typeinfo>
#include <sys/stat.h>
#include "logger.hh"
#include "logging.hh"
#include "iputils.hh"
#include "dnsname.hh"
#include "dnsparser.hh"
#include "dnspacket.hh"
#include "namespaces.hh"
#include "ednssubnet.hh"
#include "lua-base4.hh"
#include "ext/luawrapper/include/LuaContext.hpp"
#include "dns_random.hh"

void BaseLua4::loadFile(const std::string& fname, bool doPostLoad)
{
  std::ifstream ifs(fname);
  if (!ifs) {
    auto ret = errno;
    auto msg = stringerror(ret);
    SLOG(g_log << Logger::Error << "Unable to read configuration file from '" << fname << "': " << msg << endl,
         g_slog->withName("lua")->error(Logr::Error, msg, "Unable to read configuration file", "file", Logging::Loggable(fname)));
    throw std::runtime_error(msg);
  }
  loadStream(ifs, doPostLoad);
};

void BaseLua4::loadString(const std::string &script) {
  std::istringstream iss(script);
  loadStream(iss, true);
};

void BaseLua4::includePath(const std::string& directory) {
  const std::string& suffix = "lua";
  std::vector<std::string> vec = pdns::list_directory(directory, suffix, g_slog->withName("lua"));
  std::sort(vec.begin(), vec.end(), CIStringComparePOSIX());
  for(const auto& file: vec) {
    loadFile(file, false);
  }
};

//  By default no features
void BaseLua4::getFeatures(Features &) { }

void BaseLua4::prepareContext() {
  d_lw = std::make_unique<LuaContext>();

  // lua features available
  Features features;
  getFeatures(features);
  d_lw->writeVariable("pdns_features", features);

  // dnsheader
  d_lw->registerFunction<int(dnsheader::*)()>("getID", [](dnsheader& dh) { return ntohs(dh.id); });
  d_lw->registerFunction<bool(dnsheader::*)()>("getCD", [](dnsheader& dh) { return dh.cd; });
  d_lw->registerFunction<bool(dnsheader::*)()>("getTC", [](dnsheader& dh) { return dh.tc; });
  d_lw->registerFunction<bool(dnsheader::*)()>("getRA", [](dnsheader& dh) { return dh.ra; });
  d_lw->registerFunction<bool(dnsheader::*)()>("getAD", [](dnsheader& dh) { return dh.ad; });
  d_lw->registerFunction<bool(dnsheader::*)()>("getAA", [](dnsheader& dh) { return dh.aa; });
  d_lw->registerFunction<bool(dnsheader::*)()>("getRD", [](dnsheader& dh) { return dh.rd; });
  d_lw->registerFunction<int(dnsheader::*)()>("getRCODE", [](dnsheader& dh) { return dh.rcode; });
  d_lw->registerFunction<int(dnsheader::*)()>("getOPCODE", [](dnsheader& dh) { return dh.opcode; });
  d_lw->registerFunction<int(dnsheader::*)()>("getQDCOUNT", [](dnsheader& dh) { return ntohs(dh.qdcount); });
  d_lw->registerFunction<int(dnsheader::*)()>("getANCOUNT", [](dnsheader& dh) { return ntohs(dh.ancount); });
  d_lw->registerFunction<int(dnsheader::*)()>("getNSCOUNT", [](dnsheader& dh) { return ntohs(dh.nscount); });
  d_lw->registerFunction<int(dnsheader::*)()>("getARCOUNT", [](dnsheader& dh) { return ntohs(dh.arcount); });

  // DNSName
  d_lw->writeFunction("newDN", [](const std::string& dom){ return DNSName(dom); });
  d_lw->registerFunction("__lt", &DNSName::operator<);
  d_lw->registerFunction<bool(DNSName::*)(const DNSName&)>("canonCompare", [](const DNSName& name, const DNSName& rhs) { return name.canonCompare(rhs); });
  d_lw->registerFunction<DNSName(DNSName::*)(const DNSName&)>("makeRelative", [](const DNSName& name, const DNSName& zone) { return name.makeRelative(zone); });
  d_lw->registerFunction<bool(DNSName::*)(const DNSName&)>("isPartOf", [](const DNSName& name, const DNSName& rhs) { return name.isPartOf(rhs); });
  d_lw->registerFunction("getRawLabels", &DNSName::getRawLabels);
  d_lw->registerFunction<unsigned int(DNSName::*)()>("countLabels", [](const DNSName& name) { return name.countLabels(); });
  d_lw->registerFunction<size_t(DNSName::*)()>("wireLength", [](const DNSName& name) { return name.wirelength(); });
  d_lw->registerFunction<size_t(DNSName::*)()>("wirelength", [](const DNSName& name) { return name.wirelength(); });
  d_lw->registerFunction<bool(DNSName::*)(const std::string&)>("equal", [](const DNSName& lhs, const std::string& rhs) { return lhs==DNSName(rhs); });
  d_lw->registerEqFunction(&DNSName::operator==);
  d_lw->registerToStringFunction<string(DNSName::*)()>([](const DNSName&dn ) { return dn.toString(); });
  d_lw->registerFunction<string(DNSName::*)()>("toString", [](const DNSName&dn ) { return dn.toString(); });
  d_lw->registerFunction<string(DNSName::*)()>("toStringNoDot", [](const DNSName&dn ) { return dn.toStringNoDot(); });
  d_lw->registerFunction<bool(DNSName::*)()>("chopOff", [](DNSName&dn ) { return dn.chopOff(); });

  // DNSResourceRecord
  d_lw->writeFunction("newDRR", [](const DNSName& qname, const string& qtype, const unsigned int ttl, const string& content, boost::optional<int> domain_id, boost::optional<int> auth){
    auto drr = DNSResourceRecord();
    drr.qname = qname;
    drr.qtype = qtype;
    drr.ttl = ttl;
    drr.setContent(content);
    if (domain_id)
      drr.domain_id = *domain_id;
    if (auth)
      drr.auth = *auth;
     return drr;
  });
  d_lw->registerEqFunction(&DNSResourceRecord::operator==);
  d_lw->registerFunction("__lt", &DNSResourceRecord::operator<);
  d_lw->registerToStringFunction<string(DNSResourceRecord::*)()>([](const DNSResourceRecord& rec) { return rec.getZoneRepresentation(); });
  d_lw->registerFunction<string(DNSResourceRecord::*)()>("toString", [](const DNSResourceRecord& rec) { return rec.getZoneRepresentation();} );
  d_lw->registerFunction<DNSName(DNSResourceRecord::*)()>("qname", [](DNSResourceRecord& rec) { return rec.qname; });
  d_lw->registerFunction<DNSName(DNSResourceRecord::*)()>("wildcardName", [](DNSResourceRecord& rec) { return rec.wildcardname; });
  d_lw->registerFunction<string(DNSResourceRecord::*)()>("content", [](DNSResourceRecord& rec) { return rec.content; });
  d_lw->registerFunction<time_t(DNSResourceRecord::*)()>("lastModified", [](DNSResourceRecord& rec) { return rec.last_modified; });
  d_lw->registerFunction<uint32_t(DNSResourceRecord::*)()>("ttl", [](DNSResourceRecord& rec) { return rec.ttl; });
  d_lw->registerFunction<uint32_t(DNSResourceRecord::*)()>("signttl", [](DNSResourceRecord& rec) { return rec.signttl; });
  d_lw->registerFunction<int(DNSResourceRecord::*)()>("domainId", [](DNSResourceRecord& rec) { return rec.domain_id; });
  d_lw->registerFunction<uint16_t(DNSResourceRecord::*)()>("qtype", [](DNSResourceRecord& rec) { return rec.qtype.getCode(); });
  d_lw->registerFunction<uint16_t(DNSResourceRecord::*)()>("qclass", [](DNSResourceRecord& rec) { return rec.qclass; });
  d_lw->registerFunction<uint8_t(DNSResourceRecord::*)()>("scopeMask", [](DNSResourceRecord& rec) { return rec.scopeMask; });
  d_lw->registerFunction<bool(DNSResourceRecord::*)()>("auth", [](DNSResourceRecord& rec) { return rec.auth; });
  d_lw->registerFunction<bool(DNSResourceRecord::*)()>("disabled", [](DNSResourceRecord& rec) { return rec.disabled; });

  // ComboAddress
  d_lw->registerFunction<bool(ComboAddress::*)()>("isIPv4", [](const ComboAddress& addr) { return addr.sin4.sin_family == AF_INET; });
  d_lw->registerFunction<bool(ComboAddress::*)()>("isIPv6", [](const ComboAddress& addr) { return addr.sin4.sin_family == AF_INET6; });
  d_lw->registerFunction<uint16_t(ComboAddress::*)()>("getPort", [](const ComboAddress& addr) { return ntohs(addr.sin4.sin_port); } );
  d_lw->registerFunction<bool(ComboAddress::*)()>("isMappedIPv4", [](const ComboAddress& addr) { return addr.isMappedIPv4(); });
  d_lw->registerFunction<ComboAddress(ComboAddress::*)()>("mapToIPv4", [](const ComboAddress& addr) { return addr.mapToIPv4(); });
  d_lw->registerFunction<void(ComboAddress::*)(unsigned int)>("truncate", [](ComboAddress& addr, unsigned int bits) { addr.truncate(bits); });
  d_lw->registerFunction<string(ComboAddress::*)()>("toString", [](const ComboAddress& addr) { return addr.toString(); });
  d_lw->registerToStringFunction<string(ComboAddress::*)()>([](const ComboAddress& addr) { return addr.toString(); });
  d_lw->registerFunction<string (ComboAddress::*)() const>("toStringNoInterface", [](const ComboAddress& addr) { return addr.toStringNoInterface(); });
  d_lw->registerFunction<string (ComboAddress::*)() const>("toStringReversed", [](const ComboAddress& addr) { return addr.toStringReversed(); });
  d_lw->registerFunction<string(ComboAddress::*)()>("toStringWithPort", [](const ComboAddress& addr) { return addr.toStringWithPort(); });
  d_lw->registerFunction<string(ComboAddress::*)()>("getRaw", [](const ComboAddress& addr) { return addr.toByteString(); });

  d_lw->writeFunction("newCA", [](const std::string& a) { return ComboAddress(a); });
  d_lw->writeFunction("newCAFromRaw", [](const std::string& raw, boost::optional<uint16_t> port) {
                                        if (raw.size() == 4) {
                                          struct sockaddr_in sin4;
                                          memset(&sin4, 0, sizeof(sin4));
                                          sin4.sin_family = AF_INET;
                                          memcpy(&sin4.sin_addr.s_addr, raw.c_str(), raw.size());
                                          if (port) {
                                            sin4.sin_port = htons(*port);
                                          }
                                          return ComboAddress(&sin4);
                                        }
                                        else if (raw.size() == 16) {
                                          struct sockaddr_in6 sin6;
                                          memset(&sin6, 0, sizeof(sin6));
                                          sin6.sin6_family = AF_INET6;
                                          memcpy(&sin6.sin6_addr.s6_addr, raw.c_str(), raw.size());
                                          if (port) {
                                            sin6.sin6_port = htons(*port);
                                          }
                                          return ComboAddress(&sin6);
                                        }
                                        return ComboAddress();
                                      });
  typedef std::unordered_set<ComboAddress,ComboAddress::addressOnlyHash,ComboAddress::addressOnlyEqual> cas_t;
  d_lw->registerFunction<bool(ComboAddress::*)(const ComboAddress&)>("equal", [](const ComboAddress& lhs, const ComboAddress& rhs) { return ComboAddress::addressOnlyEqual()(lhs, rhs); });

  // cas_t
  d_lw->writeFunction("newCAS", []{ return cas_t(); });
  d_lw->registerFunction<void(cas_t::*)(boost::variant<string,ComboAddress, vector<pair<unsigned int,string> > >)>("add",
    [](cas_t& cas, const boost::variant<string,ComboAddress,vector<pair<unsigned int,string> > >& in)
    {
      try {
      if(auto s = boost::get<string>(&in)) {
        cas.insert(ComboAddress(*s));
      }
      else if(auto v = boost::get<vector<pair<unsigned int, string> > >(&in)) {
        for(const auto& str : *v)
          cas.insert(ComboAddress(str.second));
      }
      else
        cas.insert(boost::get<ComboAddress>(in));
      }
      catch(std::exception& e) {
        SLOG(g_log <<Logger::Error<<e.what()<<endl,
             g_slog->withName("lua")->error(Logr::Error, e.what(), "Exception in newCAS", "exception", Logging::Loggable("std::exception")));
      }
    });
  d_lw->registerFunction<bool(cas_t::*)(const ComboAddress&)>("check",[](const cas_t& cas, const ComboAddress&ca) { return cas.count(ca)>0; });

  // QType
  d_lw->writeFunction("newQType", [](const string& s) { QType q; q = s; return q; });
  d_lw->registerFunction("getCode", &QType::getCode);
  d_lw->registerFunction("getName", &QType::toString);
  d_lw->registerEqFunction<bool(QType::*)(const QType&)>([](const QType& a, const QType& b){ return a == b;}); // operator overloading confuses LuaContext
  d_lw->registerToStringFunction(&QType::toString);

  // Netmask
  d_lw->writeFunction("newNetmask", [](const string& s) { return Netmask(s); });
  d_lw->registerFunction<ComboAddress(Netmask::*)()>("getNetwork", [](const Netmask& nm) { return nm.getNetwork(); } ); // const reference makes this necessary
  d_lw->registerFunction<ComboAddress(Netmask::*)()>("getMaskedNetwork", [](const Netmask& nm) { return nm.getMaskedNetwork(); } );
  d_lw->registerFunction("isIpv4", &Netmask::isIPv4);
  d_lw->registerFunction("isIPv4", &Netmask::isIPv4);
  d_lw->registerFunction("isIpv6", &Netmask::isIPv6);
  d_lw->registerFunction("isIPv6", &Netmask::isIPv6);
  d_lw->registerFunction("getBits", &Netmask::getBits);
  d_lw->registerFunction("toString", &Netmask::toString);
  d_lw->registerFunction("empty", &Netmask::empty);
  d_lw->registerFunction("match", (bool (Netmask::*)(const string&) const)&Netmask::match);
  d_lw->registerEqFunction(&Netmask::operator==);
  d_lw->registerToStringFunction(&Netmask::toString);

  // NetmaskGroup
  d_lw->writeFunction("newNMG", [](boost::optional<vector<pair<unsigned int, std::string>>> masks) {
    auto nmg = NetmaskGroup();

    if (masks) {
      for(const auto& mask: *masks) {
        nmg.addMask(mask.second);
      }
    }

    return nmg;
  });
  // d_lw->writeFunction("newNMG", []() { return NetmaskGroup(); });
  d_lw->registerFunction<void(NetmaskGroup::*)(const std::string&mask)>("addMask", [](NetmaskGroup&nmg, const std::string& mask) { nmg.addMask(mask); });
  d_lw->registerFunction<void(NetmaskGroup::*)(const vector<pair<unsigned int, std::string>>&)>("addMasks", [](NetmaskGroup&nmg, const vector<pair<unsigned int, std::string>>& masks) { for(const auto& mask: masks) { nmg.addMask(mask.second); } });
  d_lw->registerFunction("match", (bool (NetmaskGroup::*)(const ComboAddress&) const)&NetmaskGroup::match);

  // DNSRecord
  d_lw->writeFunction("newDR", [](const DNSName& name, const std::string& type, unsigned int ttl, const std::string& content, int place) { QType qtype; qtype = type; auto dr = DNSRecord(); dr.d_name = name; dr.d_type = qtype.getCode(); dr.d_ttl = ttl; dr.setContent(shared_ptr<DNSRecordContent>(DNSRecordContent::make(dr.d_type, QClass::IN, content))); dr.d_place = static_cast<DNSResourceRecord::Place>(place); return dr; });
  d_lw->registerMember("name", &DNSRecord::d_name);
  d_lw->registerMember("type", &DNSRecord::d_type);
  d_lw->registerMember("ttl", &DNSRecord::d_ttl);
  d_lw->registerMember("place", &DNSRecord::d_place);
  d_lw->registerFunction<string(DNSRecord::*)()>("getContent", [](const DNSRecord& dr) { return dr.getContent()->getZoneRepresentation(); });
  d_lw->registerFunction<boost::optional<ComboAddress>(DNSRecord::*)()>("getCA", [](const DNSRecord& dr) {
      boost::optional<ComboAddress> ret;

      if(auto arec = getRR<ARecordContent>(dr))
        ret=arec->getCA(53);
      else if(auto aaaarec = getRR<AAAARecordContent>(dr))
        ret=aaaarec->getCA(53);
      return ret;
    });
  d_lw->registerFunction<void (DNSRecord::*)(const std::string&)>("changeContent", [](DNSRecord& dr, const std::string& newContent) { dr.setContent(shared_ptr<DNSRecordContent>(DNSRecordContent::make(dr.d_type, 1, newContent))); });

  // pdnslog
#if defined(PDNS_AUTH)
  d_lw->writeFunction("pdnslog", [](const std::string& msg, boost::optional<int> loglevel) {
    if (g_slogStructured) {
      auto log = g_slog->withName("lua");
      log->info(static_cast<Logr::Priority>(loglevel.get_value_or(Logr::Warning)), msg);
    }
    else {
      g_log << (Logger::Urgency)loglevel.get_value_or(Logger::Warning)<<msg<<endl;
    }
  });
#elif defined(RECURSOR)
  d_lw->writeFunction("pdnslog", [](const std::string& msg, boost::optional<int> loglevel, boost::optional<std::map<std::string, std::string>> values) {
    auto log = g_slog->withName("lua");
    if (values) {
      for (const auto& [key, value] : *values) {
        log = log->withValues(key, Logging::Loggable(value));
      }
    }
    log->info(static_cast<Logr::Priority>(loglevel.get_value_or(Logr::Warning)), msg);
  });
#else /* DNSDIST */
  d_lw->writeFunction("pdnslog", [](const std::string& msg, boost::optional<int> loglevel) {
    g_log << (Logger::Urgency)loglevel.get_value_or(Logger::Warning)<<msg<<endl;
  });
#endif

  d_lw->writeFunction("pdnsrandom", [](boost::optional<uint32_t> maximum) {
    return maximum ? dns_random(*maximum) : dns_random_uint32();
  });

  // certain constants

  vector<pair<string, int> > rcodes = {{"NOERROR",  RCode::NoError  },
                                       {"FORMERR",  RCode::FormErr  },
                                       {"SERVFAIL", RCode::ServFail },
                                       {"NXDOMAIN", RCode::NXDomain },
                                       {"NOTIMP",   RCode::NotImp   },
                                       {"REFUSED",  RCode::Refused  },
                                       {"YXDOMAIN", RCode::YXDomain },
                                       {"YXRRSET",  RCode::YXRRSet  },
                                       {"NXRRSET",  RCode::NXRRSet  },
                                       {"NOTAUTH",  RCode::NotAuth  },
                                       {"NOTZONE",  RCode::NotZone  },
                                       {"DROP",    -2               }}; // To give backport-incompatibility warning
  for(const auto& rcode : rcodes)
    d_pd.push_back({rcode.first, rcode.second});

  d_pd.push_back({"place", in_t{
    {"QUESTION", 0},
    {"ANSWER", 1},
    {"AUTHORITY", 2},
    {"ADDITIONAL", 3}
  }});

  d_pd.push_back({"loglevels", in_t{
        {"Alert", LOG_ALERT},
        {"Critical", LOG_CRIT},
        {"Debug", LOG_DEBUG},
        {"Emergency", LOG_EMERG},
        {"Info", LOG_INFO},
        {"Notice", LOG_NOTICE},
        {"Warning", LOG_WARNING},
        {"Error", LOG_ERR}
          }});

  for(const auto& n : QType::names)
    d_pd.push_back({n.first, n.second});

  d_lw->registerMember("tv_sec", &timeval::tv_sec);
  d_lw->registerMember("tv_usec", &timeval::tv_usec);

  postPrepareContext();

  // so we can let postprepare do changes to this
  d_lw->writeVariable("pdns", d_pd);
}

void BaseLua4::loadStream(std::istream &stream, bool doPostLoad) {
  d_lw->executeCode(stream);

  if (doPostLoad) {
    postLoad();
  }
}

BaseLua4::~BaseLua4() = default;

1	#include "config.h"
2	#include <cassert>
3	#include <fstream>
4	#include <unordered_set>
5	#include <unordered_map>
6	#include <typeinfo>
7	#include <sys/stat.h>
8	#include "logger.hh"
9	#include "logging.hh"
10	#include "iputils.hh"
11	#include "dnsname.hh"
12	#include "dnsparser.hh"
13	#include "dnspacket.hh"
14	#include "namespaces.hh"
15	#include "ednssubnet.hh"
16	#include "lua-base4.hh"
17	#include "ext/luawrapper/include/LuaContext.hpp"
18	#include "dns_random.hh"
19
20	void BaseLua4::loadFile(const std::string& fname, bool doPostLoad)
21	{	449✔
22	std::ifstream ifs(fname);	449✔
23	if (!ifs) {	449!
24	auto ret = errno;	×
25	auto msg = stringerror(ret);	×
26	SLOG(g_log << Logger::Error << "Unable to read configuration file from '" << fname << "': " << msg << endl,	×
27	g_slog->withName("lua")->error(Logr::Error, msg, "Unable to read configuration file", "file", Logging::Loggable(fname)));	×
28	throw std::runtime_error(msg);	×
29	}	×
30	loadStream(ifs, doPostLoad);	449✔
31	};	449✔
32
33	void BaseLua4::loadString(const std::string &script) {	2✔
34	std::istringstream iss(script);	2✔
35	loadStream(iss, true);	2✔
36	};	2✔
37
38	void BaseLua4::includePath(const std::string& directory) {	×
39	const std::string& suffix = "lua";	×
40	std::vector<std::string> vec = pdns::list_directory(directory, suffix, g_slog->withName("lua"));	×
41	std::sort(vec.begin(), vec.end(), CIStringComparePOSIX());	×
42	for(const auto& file: vec) {	×
43	loadFile(file, false);	×
44	}	×
45	};	×
46
47	// By default no features
48	void BaseLua4::getFeatures(Features &) { }	472✔
49
50	void BaseLua4::prepareContext() {	472✔
51	d_lw = std::make_unique<LuaContext>();	472✔
52
53	// lua features available
54	Features features;	472✔
55	getFeatures(features);	472✔
56	d_lw->writeVariable("pdns_features", features);	472✔
57
58	// dnsheader
59	d_lw->registerFunction<int(dnsheader::*)()>("getID", [](dnsheader& dh) { return ntohs(dh.id); });	472✔
60	d_lw->registerFunction<bool(dnsheader::*)()>("getCD", [](dnsheader& dh) { return dh.cd; });	472✔
61	d_lw->registerFunction<bool(dnsheader::*)()>("getTC", [](dnsheader& dh) { return dh.tc; });	472✔
62	d_lw->registerFunction<bool(dnsheader::*)()>("getRA", [](dnsheader& dh) { return dh.ra; });	472✔
63	d_lw->registerFunction<bool(dnsheader::*)()>("getAD", [](dnsheader& dh) { return dh.ad; });	472✔
64	d_lw->registerFunction<bool(dnsheader::*)()>("getAA", [](dnsheader& dh) { return dh.aa; });	472✔
65	d_lw->registerFunction<bool(dnsheader::*)()>("getRD", [](dnsheader& dh) { return dh.rd; });	472✔
66	d_lw->registerFunction<int(dnsheader::*)()>("getRCODE", [](dnsheader& dh) { return dh.rcode; });	472✔
67	d_lw->registerFunction<int(dnsheader::*)()>("getOPCODE", [](dnsheader& dh) { return dh.opcode; });	472✔
68	d_lw->registerFunction<int(dnsheader::*)()>("getQDCOUNT", [](dnsheader& dh) { return ntohs(dh.qdcount); });	472✔
69	d_lw->registerFunction<int(dnsheader::*)()>("getANCOUNT", [](dnsheader& dh) { return ntohs(dh.ancount); });	472✔
70	d_lw->registerFunction<int(dnsheader::*)()>("getNSCOUNT", [](dnsheader& dh) { return ntohs(dh.nscount); });	472✔
71	d_lw->registerFunction<int(dnsheader::*)()>("getARCOUNT", [](dnsheader& dh) { return ntohs(dh.arcount); });	472✔
72
73	// DNSName
74	d_lw->writeFunction("newDN", [](const std::string& dom){ return DNSName(dom); });	99,221✔
75	d_lw->registerFunction("__lt", &DNSName::operator<);	472✔
76	d_lw->registerFunction<bool(DNSName::*)(const DNSName&)>("canonCompare", [](const DNSName& name, const DNSName& rhs) { return name.canonCompare(rhs); });	708✔
77	d_lw->registerFunction<DNSName(DNSName::*)(const DNSName&)>("makeRelative", [](const DNSName& name, const DNSName& zone) { return name.makeRelative(zone); });	504✔
78	d_lw->registerFunction<bool(DNSName::*)(const DNSName&)>("isPartOf", [](const DNSName& name, const DNSName& rhs) { return name.isPartOf(rhs); });	565✔
79	d_lw->registerFunction("getRawLabels", &DNSName::getRawLabels);	472✔
80	d_lw->registerFunction<unsigned int(DNSName::*)()>("countLabels", [](const DNSName& name) { return name.countLabels(); });	472✔
81	d_lw->registerFunction<size_t(DNSName::*)()>("wireLength", [](const DNSName& name) { return name.wirelength(); });	472✔
82	d_lw->registerFunction<size_t(DNSName::*)()>("wirelength", [](const DNSName& name) { return name.wirelength(); });	472✔
83	d_lw->registerFunction<bool(DNSName::*)(const std::string&)>("equal", [](const DNSName& lhs, const std::string& rhs) { return lhs==DNSName(rhs); });	472✔
84	d_lw->registerEqFunction(&DNSName::operator==);	472✔
85	d_lw->registerToStringFunction<string(DNSName::*)()>([](const DNSName&dn ) { return dn.toString(); });	472✔
86	d_lw->registerFunction<string(DNSName::*)()>("toString", [](const DNSName&dn ) { return dn.toString(); });	472✔
87	d_lw->registerFunction<string(DNSName::*)()>("toStringNoDot", [](const DNSName&dn ) { return dn.toStringNoDot(); });	472✔
88	d_lw->registerFunction<bool(DNSName::*)()>("chopOff", [](DNSName&dn ) { return dn.chopOff(); });	472✔
89
90	// DNSResourceRecord
91	d_lw->writeFunction("newDRR", [](const DNSName& qname, const string& qtype, const unsigned int ttl, const string& content, boost::optional<int> domain_id, boost::optional<int> auth){	472✔
92	auto drr = DNSResourceRecord();	×
93	drr.qname = qname;	×
94	drr.qtype = qtype;	×
95	drr.ttl = ttl;	×
96	drr.setContent(content);	×
97	if (domain_id)	×
98	drr.domain_id = *domain_id;	×
99	if (auth)	×
100	drr.auth = *auth;	×
101	return drr;	×
102	});	×
103	d_lw->registerEqFunction(&DNSResourceRecord::operator==);	472✔
104	d_lw->registerFunction("__lt", &DNSResourceRecord::operator<);	472✔
105	d_lw->registerToStringFunction<string(DNSResourceRecord::*)()>([](const DNSResourceRecord& rec) { return rec.getZoneRepresentation(); });	472✔
106	d_lw->registerFunction<string(DNSResourceRecord::*)()>("toString", [](const DNSResourceRecord& rec) { return rec.getZoneRepresentation();} );	472✔
107	d_lw->registerFunction<DNSName(DNSResourceRecord::*)()>("qname", [](DNSResourceRecord& rec) { return rec.qname; });	472✔
108	d_lw->registerFunction<DNSName(DNSResourceRecord::*)()>("wildcardName", [](DNSResourceRecord& rec) { return rec.wildcardname; });	472✔
109	d_lw->registerFunction<string(DNSResourceRecord::*)()>("content", [](DNSResourceRecord& rec) { return rec.content; });	472✔
110	d_lw->registerFunction<time_t(DNSResourceRecord::*)()>("lastModified", [](DNSResourceRecord& rec) { return rec.last_modified; });	472✔
111	d_lw->registerFunction<uint32_t(DNSResourceRecord::*)()>("ttl", [](DNSResourceRecord& rec) { return rec.ttl; });	472✔
112	d_lw->registerFunction<uint32_t(DNSResourceRecord::*)()>("signttl", [](DNSResourceRecord& rec) { return rec.signttl; });	472✔
113	d_lw->registerFunction<int(DNSResourceRecord::*)()>("domainId", [](DNSResourceRecord& rec) { return rec.domain_id; });	472✔
114	d_lw->registerFunction<uint16_t(DNSResourceRecord::*)()>("qtype", [](DNSResourceRecord& rec) { return rec.qtype.getCode(); });	472✔
115	d_lw->registerFunction<uint16_t(DNSResourceRecord::*)()>("qclass", [](DNSResourceRecord& rec) { return rec.qclass; });	472✔
116	d_lw->registerFunction<uint8_t(DNSResourceRecord::*)()>("scopeMask", [](DNSResourceRecord& rec) { return rec.scopeMask; });	472✔
117	d_lw->registerFunction<bool(DNSResourceRecord::*)()>("auth", [](DNSResourceRecord& rec) { return rec.auth; });	472✔
118	d_lw->registerFunction<bool(DNSResourceRecord::*)()>("disabled", [](DNSResourceRecord& rec) { return rec.disabled; });	472✔
119
120	// ComboAddress
121	d_lw->registerFunction<bool(ComboAddress::*)()>("isIPv4", [](const ComboAddress& addr) { return addr.sin4.sin_family == AF_INET; });	472✔
122	d_lw->registerFunction<bool(ComboAddress::*)()>("isIPv6", [](const ComboAddress& addr) { return addr.sin4.sin_family == AF_INET6; });	472✔
123	d_lw->registerFunction<uint16_t(ComboAddress::*)()>("getPort", [](const ComboAddress& addr) { return ntohs(addr.sin4.sin_port); } );	472✔
124	d_lw->registerFunction<bool(ComboAddress::*)()>("isMappedIPv4", [](const ComboAddress& addr) { return addr.isMappedIPv4(); });	472✔
125	d_lw->registerFunction<ComboAddress(ComboAddress::*)()>("mapToIPv4", [](const ComboAddress& addr) { return addr.mapToIPv4(); });	472✔
126	d_lw->registerFunction<void(ComboAddress::*)(unsigned int)>("truncate", [](ComboAddress& addr, unsigned int bits) { addr.truncate(bits); });	472✔
127	d_lw->registerFunction<string(ComboAddress::*)()>("toString", [](const ComboAddress& addr) { return addr.toString(); });	472✔
128	d_lw->registerToStringFunction<string(ComboAddress::*)()>([](const ComboAddress& addr) { return addr.toString(); });	98,975✔
129	d_lw->registerFunction<string (ComboAddress::*)() const>("toStringNoInterface", [](const ComboAddress& addr) { return addr.toStringNoInterface(); });	472✔
130	d_lw->registerFunction<string (ComboAddress::*)() const>("toStringReversed", [](const ComboAddress& addr) { return addr.toStringReversed(); });	472✔
131	d_lw->registerFunction<string(ComboAddress::*)()>("toStringWithPort", [](const ComboAddress& addr) { return addr.toStringWithPort(); });	472✔
132	d_lw->registerFunction<string(ComboAddress::*)()>("getRaw", [](const ComboAddress& addr) { return addr.toByteString(); });	472✔
133
134	d_lw->writeFunction("newCA", [](const std::string& a) { return ComboAddress(a); });	472✔
135	d_lw->writeFunction("newCAFromRaw", [](const std::string& raw, boost::optional<uint16_t> port) {	472✔
136	if (raw.size() == 4) {	×
137	struct sockaddr_in sin4;	×
138	memset(&sin4, 0, sizeof(sin4));	×
139	sin4.sin_family = AF_INET;	×
140	memcpy(&sin4.sin_addr.s_addr, raw.c_str(), raw.size());	×
141	if (port) {	×
142	sin4.sin_port = htons(*port);	×
143	}	×
144	return ComboAddress(&sin4);	×
145	}	×
146	else if (raw.size() == 16) {	×
147	struct sockaddr_in6 sin6;	×
148	memset(&sin6, 0, sizeof(sin6));	×
149	sin6.sin6_family = AF_INET6;	×
150	memcpy(&sin6.sin6_addr.s6_addr, raw.c_str(), raw.size());	×
151	if (port) {	×
152	sin6.sin6_port = htons(*port);	×
153	}	×
154	return ComboAddress(&sin6);	×
155	}	×
156	return ComboAddress();	×
157	});	×
158	typedef std::unordered_set<ComboAddress,ComboAddress::addressOnlyHash,ComboAddress::addressOnlyEqual> cas_t;	472✔
159	d_lw->registerFunction<bool(ComboAddress::*)(const ComboAddress&)>("equal", [](const ComboAddress& lhs, const ComboAddress& rhs) { return ComboAddress::addressOnlyEqual()(lhs, rhs); });	472✔
160
161	// cas_t
162	d_lw->writeFunction("newCAS", []{ return cas_t(); });	472✔
163	d_lw->registerFunction<void(cas_t::*)(boost::variant<string,ComboAddress, vector<pair<unsigned int,string> > >)>("add",	472✔
164	[](cas_t& cas, const boost::variant<string,ComboAddress,vector<pair<unsigned int,string> > >& in)	472✔
165	{	472✔
166	try {	×
167	if(auto s = boost::get<string>(&in)) {	×
168	cas.insert(ComboAddress(*s));	×
169	}	×
170	else if(auto v = boost::get<vector<pair<unsigned int, string> > >(&in)) {	×
171	for(const auto& str : *v)	×
172	cas.insert(ComboAddress(str.second));	×
173	}	×
174	else	×
175	cas.insert(boost::get<ComboAddress>(in));	×
176	}	×
177	catch(std::exception& e) {	×
178	SLOG(g_log <<Logger::Error<<e.what()<<endl,	×
179	g_slog->withName("lua")->error(Logr::Error, e.what(), "Exception in newCAS", "exception", Logging::Loggable("std::exception")));	×
180	}	×
181	});	×
182	d_lw->registerFunction<bool(cas_t::*)(const ComboAddress&)>("check",[](const cas_t& cas, const ComboAddress&ca) { return cas.count(ca)>0; });	472✔
183
184	// QType
185	d_lw->writeFunction("newQType", [](const string& s) { QType q; q = s; return q; });	520✔
186	d_lw->registerFunction("getCode", &QType::getCode);	472✔
187	d_lw->registerFunction("getName", &QType::toString);	472✔
188	d_lw->registerEqFunction<bool(QType::*)(const QType&)>([](const QType& a, const QType& b){ return a == b;}); // operator overloading confuses LuaContext	472✔
189	d_lw->registerToStringFunction(&QType::toString);	472✔
190
191	// Netmask
192	d_lw->writeFunction("newNetmask", [](const string& s) { return Netmask(s); });	472✔
193	d_lw->registerFunction<ComboAddress(Netmask::*)()>("getNetwork", [](const Netmask& nm) { return nm.getNetwork(); } ); // const reference makes this necessary	472✔
194	d_lw->registerFunction<ComboAddress(Netmask::*)()>("getMaskedNetwork", [](const Netmask& nm) { return nm.getMaskedNetwork(); } );	472✔
195	d_lw->registerFunction("isIpv4", &Netmask::isIPv4);	472✔
196	d_lw->registerFunction("isIPv4", &Netmask::isIPv4);	472✔
197	d_lw->registerFunction("isIpv6", &Netmask::isIPv6);	472✔
198	d_lw->registerFunction("isIPv6", &Netmask::isIPv6);	472✔
199	d_lw->registerFunction("getBits", &Netmask::getBits);	472✔
200	d_lw->registerFunction("toString", &Netmask::toString);	472✔
201	d_lw->registerFunction("empty", &Netmask::empty);	472✔
202	d_lw->registerFunction("match", (bool (Netmask::*)(const string&) const)&Netmask::match);	472✔
203	d_lw->registerEqFunction(&Netmask::operator==);	472✔
204	d_lw->registerToStringFunction(&Netmask::toString);	472✔
205
206	// NetmaskGroup
207	d_lw->writeFunction("newNMG", [](boost::optional<vector<pair<unsigned int, std::string>>> masks) {	472✔
UNCOV 208	auto nmg = NetmaskGroup();	×
209
UNCOV 210	if (masks) {	×
211	for(const auto& mask: *masks) {	×
212	nmg.addMask(mask.second);	×
213	}	×
214	}	×
215
UNCOV 216	return nmg;	×
UNCOV 217	});	×
218	// d_lw->writeFunction("newNMG", []() { return NetmaskGroup(); });
219	d_lw->registerFunction<void(NetmaskGroup::*)(const std::string&mask)>("addMask", [](NetmaskGroup&nmg, const std::string& mask) { nmg.addMask(mask); });	472✔
220	d_lw->registerFunction<void(NetmaskGroup::*)(const vector<pair<unsigned int, std::string>>&)>("addMasks", [](NetmaskGroup&nmg, const vector<pair<unsigned int, std::string>>& masks) { for(const auto& mask: masks) { nmg.addMask(mask.second); } });	472!
221	d_lw->registerFunction("match", (bool (NetmaskGroup::*)(const ComboAddress&) const)&NetmaskGroup::match);	472✔
222
223	// DNSRecord
224	d_lw->writeFunction("newDR", [](const DNSName& name, const std::string& type, unsigned int ttl, const std::string& content, int place) { QType qtype; qtype = type; auto dr = DNSRecord(); dr.d_name = name; dr.d_type = qtype.getCode(); dr.d_ttl = ttl; dr.setContent(shared_ptr<DNSRecordContent>(DNSRecordContent::make(dr.d_type, QClass::IN, content))); dr.d_place = static_cast<DNSResourceRecord::Place>(place); return dr; });	472✔
225	d_lw->registerMember("name", &DNSRecord::d_name);	472✔
226	d_lw->registerMember("type", &DNSRecord::d_type);	472✔
227	d_lw->registerMember("ttl", &DNSRecord::d_ttl);	472✔
228	d_lw->registerMember("place", &DNSRecord::d_place);	472✔
229	d_lw->registerFunction<string(DNSRecord::*)()>("getContent", [](const DNSRecord& dr) { return dr.getContent()->getZoneRepresentation(); });	472✔
230	d_lw->registerFunction<boost::optional<ComboAddress>(DNSRecord::*)()>("getCA", [](const DNSRecord& dr) {	472✔
231	boost::optional<ComboAddress> ret;	×
232
233	if(auto arec = getRR<ARecordContent>(dr))	×
234	ret=arec->getCA(53);	×
235	else if(auto aaaarec = getRR<AAAARecordContent>(dr))	×
236	ret=aaaarec->getCA(53);	×
237	return ret;	×
238	});	×
239	d_lw->registerFunction<void (DNSRecord::*)(const std::string&)>("changeContent", [](DNSRecord& dr, const std::string& newContent) { dr.setContent(shared_ptr<DNSRecordContent>(DNSRecordContent::make(dr.d_type, 1, newContent))); });	472✔
240
241	// pdnslog
242	#if defined(PDNS_AUTH)	472✔
243	d_lw->writeFunction("pdnslog", [](const std::string& msg, boost::optional<int> loglevel) {	472✔
244	if (g_slogStructured) {	×
245	auto log = g_slog->withName("lua");
246	log->info(static_cast<Logr::Priority>(loglevel.get_value_or(Logr::Warning)), msg);
247	}
248	else {
249	g_log << (Logger::Urgency)loglevel.get_value_or(Logger::Warning)<<msg<<endl;
250	}
251	});
252	#elif defined(RECURSOR)
253	d_lw->writeFunction("pdnslog", [](const std::string& msg, boost::optional<int> loglevel, boost::optional<std::map<std::string, std::string>> values) {
254	auto log = g_slog->withName("lua");
255	if (values) {	×
256	for (const auto& [key, value] : *values) {	×
257	log = log->withValues(key, Logging::Loggable(value));
258	}
259	}
260	log->info(static_cast<Logr::Priority>(loglevel.get_value_or(Logr::Warning)), msg);
261	});
262	#else /* DNSDIST */
263	d_lw->writeFunction("pdnslog", [](const std::string& msg, boost::optional<int> loglevel) {
264	g_log << (Logger::Urgency)loglevel.get_value_or(Logger::Warning)<<msg<<endl;
265	});
266	#endif
267
268	d_lw->writeFunction("pdnsrandom", [](boost::optional<uint32_t> maximum) {	472✔
UNCOV 269	return maximum ? dns_random(*maximum) : dns_random_uint32();	×
UNCOV 270	});	×
271
272	// certain constants
273
274	vector<pair<string, int> > rcodes = {{"NOERROR", RCode::NoError },	472✔
275	{"FORMERR", RCode::FormErr },	472✔
276	{"SERVFAIL", RCode::ServFail },	472✔
277	{"NXDOMAIN", RCode::NXDomain },	472✔
278	{"NOTIMP", RCode::NotImp },	472✔
279	{"REFUSED", RCode::Refused },	472✔
280	{"YXDOMAIN", RCode::YXDomain },	472✔
281	{"YXRRSET", RCode::YXRRSet },	472✔
282	{"NXRRSET", RCode::NXRRSet },	472✔
283	{"NOTAUTH", RCode::NotAuth },	472✔
284	{"NOTZONE", RCode::NotZone },	472✔
285	{"DROP", -2 }}; // To give backport-incompatibility warning	472✔
286	for(const auto& rcode : rcodes)	472✔
287	d_pd.push_back({rcode.first, rcode.second});	5,658✔
288
289	d_pd.push_back({"place", in_t{	472✔
290	{"QUESTION", 0},	472✔
291	{"ANSWER", 1},	472✔
292	{"AUTHORITY", 2},	472✔
293	{"ADDITIONAL", 3}	472✔
294	}});	472✔
295
296	d_pd.push_back({"loglevels", in_t{	472✔
297	{"Alert", LOG_ALERT},	472✔
298	{"Critical", LOG_CRIT},	472✔
299	{"Debug", LOG_DEBUG},	472✔
300	{"Emergency", LOG_EMERG},	472✔
301	{"Info", LOG_INFO},	472✔
302	{"Notice", LOG_NOTICE},	472✔
303	{"Warning", LOG_WARNING},	472✔
304	{"Error", LOG_ERR}	472✔
305	}});	472✔
306
307	for(const auto& n : QType::names)	472✔
308	d_pd.push_back({n.first, n.second});	32,543✔
309
310	d_lw->registerMember("tv_sec", &timeval::tv_sec);	472✔
311	d_lw->registerMember("tv_usec", &timeval::tv_usec);	472✔
312
313	postPrepareContext();	472✔
314
315	// so we can let postprepare do changes to this
316	d_lw->writeVariable("pdns", d_pd);	472✔
317	}	472✔
318
319	void BaseLua4::loadStream(std::istream &stream, bool doPostLoad) {	452✔
320	d_lw->executeCode(stream);	452✔
321
322	if (doPostLoad) {	452✔
323	postLoad();	451✔
324	}	451✔
325	}	452✔
326
327	BaseLua4::~BaseLua4() = default;	18✔

PowerDNS / pdns / 30349644487

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