15920880335

Committed 26 Jun 2025 03:30PM UTC coverage: 61.923% (-3.7%) from 65.652%

Build # 15920880335

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push

github

Committed by

web-flow

Commit Message

Merge pull request #15669 from miodvallat/serial_keyer

Increase zone serial number after zone key operations

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27 of 29 new or added lines in 1 file covered. (93.1%)

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51.27

/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);
    g_log << Logger::Error << "Unable to read configuration file from '" << fname << "': " << msg << endl;
    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) {
  std::vector<std::string> vec;
  const std::string& suffix = "lua";
  auto directoryError = pdns::visit_directory(directory, [this, &directory, &suffix, &vec]([[maybe_unused]] ino_t inodeNumber, const std::string_view& name) {
    (void)this;
    if (boost::starts_with(name, ".")) {
      return true; // skip any dots
    }
    if (boost::ends_with(name, suffix)) {
      // build name
      string fullName = directory + "/" + std::string(name);
      // ensure it's readable file
      struct stat statInfo
      {
      };
      if (stat(fullName.c_str(), &statInfo) != 0 || !S_ISREG(statInfo.st_mode)) {
        string msg = fullName + " is not a regular file";
        g_log << Logger::Error << msg << std::endl;
        throw PDNSException(std::move(msg));
      }
      vec.emplace_back(fullName);
    }
    return true;
  });

  if (directoryError) {
    int err = errno;
    string msg = directory + " is not accessible: " + stringerror(err);
    g_log << Logger::Error << msg << std::endl;
    throw PDNSException(std::move(msg));
  }

  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("canonCompare", &DNSName::canonCompare);
  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::*)()>("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
#ifdef 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
    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	{	451✔
22	std::ifstream ifs(fname);	451✔
23	if (!ifs) {	451!
24	auto ret = errno;	×
25	auto msg = stringerror(ret);	×
26	g_log << Logger::Error << "Unable to read configuration file from '" << fname << "': " << msg << endl;	×
27	throw std::runtime_error(msg);	×
28	}	×
29	loadStream(ifs, doPostLoad);	451✔
30	};	451✔
31
32	void BaseLua4::loadString(const std::string &script) {	2✔
33	std::istringstream iss(script);	2✔
34	loadStream(iss, true);	2✔
35	};	2✔
36
37	void BaseLua4::includePath(const std::string& directory) {	×
38	std::vector<std::string> vec;	×
39	const std::string& suffix = "lua";	×
40	auto directoryError = pdns::visit_directory(directory, [this, &directory, &suffix, &vec]([[maybe_unused]] ino_t inodeNumber, const std::string_view& name) {	×
41	(void)this;	×
42	if (boost::starts_with(name, ".")) {	×
43	return true; // skip any dots	×
44	}	×
45	if (boost::ends_with(name, suffix)) {	×
46	// build name
47	string fullName = directory + "/" + std::string(name);	×
48	// ensure it's readable file
49	struct stat statInfo	×
50	{	×
51	};	×
52	if (stat(fullName.c_str(), &statInfo) != 0 \|\| !S_ISREG(statInfo.st_mode)) {	×
53	string msg = fullName + " is not a regular file";	×
54	g_log << Logger::Error << msg << std::endl;	×
55	throw PDNSException(std::move(msg));	×
56	}	×
57	vec.emplace_back(fullName);	×
58	}	×
59	return true;	×
60	});	×
61
62	if (directoryError) {	×
63	int err = errno;	×
64	string msg = directory + " is not accessible: " + stringerror(err);	×
65	g_log << Logger::Error << msg << std::endl;	×
66	throw PDNSException(std::move(msg));	×
67	}	×
68
69	std::sort(vec.begin(), vec.end(), CIStringComparePOSIX());	×
70
71	for(const auto& file: vec) {	×
72	loadFile(file, false);	×
73	}	×
74	};	×
75
76	// By default no features
77	void BaseLua4::getFeatures(Features &) { }	474✔
78
79	void BaseLua4::prepareContext() {	474✔
80	d_lw = std::make_unique<LuaContext>();	474✔
81
82	// lua features available
83	Features features;	474✔
84	getFeatures(features);	474✔
85	d_lw->writeVariable("pdns_features", features);	474✔
86
87	// dnsheader
88	d_lw->registerFunction<int(dnsheader::*)()>("getID", [](dnsheader& dh) { return ntohs(dh.id); });	474✔
89	d_lw->registerFunction<bool(dnsheader::*)()>("getCD", [](dnsheader& dh) { return dh.cd; });	474✔
90	d_lw->registerFunction<bool(dnsheader::*)()>("getTC", [](dnsheader& dh) { return dh.tc; });	474✔
91	d_lw->registerFunction<bool(dnsheader::*)()>("getRA", [](dnsheader& dh) { return dh.ra; });	474✔
92	d_lw->registerFunction<bool(dnsheader::*)()>("getAD", [](dnsheader& dh) { return dh.ad; });	474✔
93	d_lw->registerFunction<bool(dnsheader::*)()>("getAA", [](dnsheader& dh) { return dh.aa; });	474✔
94	d_lw->registerFunction<bool(dnsheader::*)()>("getRD", [](dnsheader& dh) { return dh.rd; });	474✔
95	d_lw->registerFunction<int(dnsheader::*)()>("getRCODE", [](dnsheader& dh) { return dh.rcode; });	474✔
96	d_lw->registerFunction<int(dnsheader::*)()>("getOPCODE", [](dnsheader& dh) { return dh.opcode; });	474✔
97	d_lw->registerFunction<int(dnsheader::*)()>("getQDCOUNT", [](dnsheader& dh) { return ntohs(dh.qdcount); });	474✔
98	d_lw->registerFunction<int(dnsheader::*)()>("getANCOUNT", [](dnsheader& dh) { return ntohs(dh.ancount); });	474✔
99	d_lw->registerFunction<int(dnsheader::*)()>("getNSCOUNT", [](dnsheader& dh) { return ntohs(dh.nscount); });	474✔
100	d_lw->registerFunction<int(dnsheader::*)()>("getARCOUNT", [](dnsheader& dh) { return ntohs(dh.arcount); });	474✔
101
102	// DNSName
103	d_lw->writeFunction("newDN", [](const std::string& dom){ return DNSName(dom); });	80,018✔
104	d_lw->registerFunction("__lt", &DNSName::operator<);	474✔
105	d_lw->registerFunction("canonCompare", &DNSName::canonCompare);	474✔
106	d_lw->registerFunction<DNSName(DNSName::*)(const DNSName&)>("makeRelative", [](const DNSName& name, const DNSName& zone) { return name.makeRelative(zone); });	504✔
107	d_lw->registerFunction<bool(DNSName::*)(const DNSName&)>("isPartOf", [](const DNSName& name, const DNSName& rhs) { return name.isPartOf(rhs); });	565✔
108	d_lw->registerFunction("getRawLabels", &DNSName::getRawLabels);	474✔
109	d_lw->registerFunction<unsigned int(DNSName::*)()>("countLabels", [](const DNSName& name) { return name.countLabels(); });	474✔
110	d_lw->registerFunction<size_t(DNSName::*)()>("wireLength", [](const DNSName& name) { return name.wirelength(); });	474✔
111	d_lw->registerFunction<size_t(DNSName::*)()>("wirelength", [](const DNSName& name) { return name.wirelength(); });	474✔
112	d_lw->registerFunction<bool(DNSName::*)(const std::string&)>("equal", [](const DNSName& lhs, const std::string& rhs) { return lhs==DNSName(rhs); });	474✔
113	d_lw->registerEqFunction(&DNSName::operator==);	474✔
114	d_lw->registerToStringFunction<string(DNSName::*)()>([](const DNSName&dn ) { return dn.toString(); });	474✔
115	d_lw->registerFunction<string(DNSName::*)()>("toString", [](const DNSName&dn ) { return dn.toString(); });	474✔
116	d_lw->registerFunction<string(DNSName::*)()>("toStringNoDot", [](const DNSName&dn ) { return dn.toStringNoDot(); });	474✔
117	d_lw->registerFunction<bool(DNSName::*)()>("chopOff", [](DNSName&dn ) { return dn.chopOff(); });	474✔
118
119	// DNSResourceRecord
120	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){	474✔
121	auto drr = DNSResourceRecord();	×
122	drr.qname = qname;	×
123	drr.qtype = qtype;	×
124	drr.ttl = ttl;	×
125	drr.setContent(content);	×
126	if (domain_id)	×
127	drr.domain_id = *domain_id;	×
128	if (auth)	×
129	drr.auth = *auth;	×
130	return drr;	×
131	});	×
132	d_lw->registerEqFunction(&DNSResourceRecord::operator==);	474✔
133	d_lw->registerFunction("__lt", &DNSResourceRecord::operator<);	474✔
134	d_lw->registerToStringFunction<string(DNSResourceRecord::*)()>([](const DNSResourceRecord& rec) { return rec.getZoneRepresentation(); });	474✔
135	d_lw->registerFunction<string(DNSResourceRecord::*)()>("toString", [](const DNSResourceRecord& rec) { return rec.getZoneRepresentation();} );	474✔
136	d_lw->registerFunction<DNSName(DNSResourceRecord::*)()>("qname", [](DNSResourceRecord& rec) { return rec.qname; });	474✔
137	d_lw->registerFunction<DNSName(DNSResourceRecord::*)()>("wildcardName", [](DNSResourceRecord& rec) { return rec.wildcardname; });	474✔
138	d_lw->registerFunction<string(DNSResourceRecord::*)()>("content", [](DNSResourceRecord& rec) { return rec.content; });	474✔
139	d_lw->registerFunction<time_t(DNSResourceRecord::*)()>("lastModified", [](DNSResourceRecord& rec) { return rec.last_modified; });	474✔
140	d_lw->registerFunction<uint32_t(DNSResourceRecord::*)()>("ttl", [](DNSResourceRecord& rec) { return rec.ttl; });	474✔
141	d_lw->registerFunction<uint32_t(DNSResourceRecord::*)()>("signttl", [](DNSResourceRecord& rec) { return rec.signttl; });	474✔
142	d_lw->registerFunction<int(DNSResourceRecord::*)()>("domainId", [](DNSResourceRecord& rec) { return rec.domain_id; });	474✔
143	d_lw->registerFunction<uint16_t(DNSResourceRecord::*)()>("qtype", [](DNSResourceRecord& rec) { return rec.qtype.getCode(); });	474✔
144	d_lw->registerFunction<uint16_t(DNSResourceRecord::*)()>("qclass", [](DNSResourceRecord& rec) { return rec.qclass; });	474✔
145	d_lw->registerFunction<uint8_t(DNSResourceRecord::*)()>("scopeMask", [](DNSResourceRecord& rec) { return rec.scopeMask; });	474✔
146	d_lw->registerFunction<bool(DNSResourceRecord::*)()>("auth", [](DNSResourceRecord& rec) { return rec.auth; });	474✔
147	d_lw->registerFunction<bool(DNSResourceRecord::*)()>("disabled", [](DNSResourceRecord& rec) { return rec.disabled; });	474✔
148
149	// ComboAddress
150	d_lw->registerFunction<bool(ComboAddress::*)()>("isIPv4", [](const ComboAddress& addr) { return addr.sin4.sin_family == AF_INET; });	474✔
151	d_lw->registerFunction<bool(ComboAddress::*)()>("isIPv6", [](const ComboAddress& addr) { return addr.sin4.sin_family == AF_INET6; });	474✔
152	d_lw->registerFunction<uint16_t(ComboAddress::*)()>("getPort", [](const ComboAddress& addr) { return ntohs(addr.sin4.sin_port); } );	474✔
153	d_lw->registerFunction<bool(ComboAddress::*)()>("isMappedIPv4", [](const ComboAddress& addr) { return addr.isMappedIPv4(); });	474✔
154	d_lw->registerFunction<ComboAddress(ComboAddress::*)()>("mapToIPv4", [](const ComboAddress& addr) { return addr.mapToIPv4(); });	474✔
155	d_lw->registerFunction<void(ComboAddress::*)(unsigned int)>("truncate", [](ComboAddress& addr, unsigned int bits) { addr.truncate(bits); });	474✔
156	d_lw->registerFunction<string(ComboAddress::*)()>("toString", [](const ComboAddress& addr) { return addr.toString(); });	474✔
157	d_lw->registerToStringFunction<string(ComboAddress::*)()>([](const ComboAddress& addr) { return addr.toString(); });	79,765✔
158	d_lw->registerFunction<string(ComboAddress::*)()>("toStringWithPort", [](const ComboAddress& addr) { return addr.toStringWithPort(); });	474✔
159	d_lw->registerFunction<string(ComboAddress::*)()>("getRaw", [](const ComboAddress& addr) { return addr.toByteString(); });	474✔
160
161	d_lw->writeFunction("newCA", [](const std::string& a) { return ComboAddress(a); });	474✔
162	d_lw->writeFunction("newCAFromRaw", [](const std::string& raw, boost::optional<uint16_t> port) {	474✔
163	if (raw.size() == 4) {	×
164	struct sockaddr_in sin4;	×
165	memset(&sin4, 0, sizeof(sin4));	×
166	sin4.sin_family = AF_INET;	×
167	memcpy(&sin4.sin_addr.s_addr, raw.c_str(), raw.size());	×
168	if (port) {	×
169	sin4.sin_port = htons(*port);	×
170	}	×
171	return ComboAddress(&sin4);	×
172	}	×
173	else if (raw.size() == 16) {	×
174	struct sockaddr_in6 sin6;	×
175	memset(&sin6, 0, sizeof(sin6));	×
176	sin6.sin6_family = AF_INET6;	×
177	memcpy(&sin6.sin6_addr.s6_addr, raw.c_str(), raw.size());	×
178	if (port) {	×
179	sin6.sin6_port = htons(*port);	×
180	}	×
181	return ComboAddress(&sin6);	×
182	}	×
183	return ComboAddress();	×
184	});	×
185	typedef std::unordered_set<ComboAddress,ComboAddress::addressOnlyHash,ComboAddress::addressOnlyEqual> cas_t;	474✔
186	d_lw->registerFunction<bool(ComboAddress::*)(const ComboAddress&)>("equal", [](const ComboAddress& lhs, const ComboAddress& rhs) { return ComboAddress::addressOnlyEqual()(lhs, rhs); });	474✔
187
188	// cas_t
189	d_lw->writeFunction("newCAS", []{ return cas_t(); });	474✔
190	d_lw->registerFunction<void(cas_t::*)(boost::variant<string,ComboAddress, vector<pair<unsigned int,string> > >)>("add",	474✔
191	[](cas_t& cas, const boost::variant<string,ComboAddress,vector<pair<unsigned int,string> > >& in)	474✔
192	{	474✔
193	try {	×
194	if(auto s = boost::get<string>(&in)) {	×
195	cas.insert(ComboAddress(*s));	×
196	}	×
197	else if(auto v = boost::get<vector<pair<unsigned int, string> > >(&in)) {	×
198	for(const auto& str : *v)	×
199	cas.insert(ComboAddress(str.second));	×
200	}	×
201	else	×
202	cas.insert(boost::get<ComboAddress>(in));	×
203	}	×
204	catch(std::exception& e) {	×
205	SLOG(g_log <<Logger::Error<<e.what()<<endl,	×
206	g_slog->withName("lua")->error(Logr::Error, e.what(), "Exception in newCAS", "exception", Logging::Loggable("std::exception")));	×
207	}	×
208	});	×
209	d_lw->registerFunction<bool(cas_t::*)(const ComboAddress&)>("check",[](const cas_t& cas, const ComboAddress&ca) { return cas.count(ca)>0; });	474✔
210
211	// QType
212	d_lw->writeFunction("newQType", [](const string& s) { QType q; q = s; return q; });	520✔
213	d_lw->registerFunction("getCode", &QType::getCode);	474✔
214	d_lw->registerFunction("getName", &QType::toString);	474✔
215	d_lw->registerEqFunction<bool(QType::*)(const QType&)>([](const QType& a, const QType& b){ return a == b;}); // operator overloading confuses LuaContext	474✔
216	d_lw->registerToStringFunction(&QType::toString);	474✔
217
218	// Netmask
219	d_lw->writeFunction("newNetmask", [](const string& s) { return Netmask(s); });	474✔
220	d_lw->registerFunction<ComboAddress(Netmask::*)()>("getNetwork", [](const Netmask& nm) { return nm.getNetwork(); } ); // const reference makes this necessary	474✔
221	d_lw->registerFunction<ComboAddress(Netmask::*)()>("getMaskedNetwork", [](const Netmask& nm) { return nm.getMaskedNetwork(); } );	474✔
222	d_lw->registerFunction("isIpv4", &Netmask::isIPv4);	474✔
223	d_lw->registerFunction("isIPv4", &Netmask::isIPv4);	474✔
224	d_lw->registerFunction("isIpv6", &Netmask::isIPv6);	474✔
225	d_lw->registerFunction("isIPv6", &Netmask::isIPv6);	474✔
226	d_lw->registerFunction("getBits", &Netmask::getBits);	474✔
227	d_lw->registerFunction("toString", &Netmask::toString);	474✔
228	d_lw->registerFunction("empty", &Netmask::empty);	474✔
229	d_lw->registerFunction("match", (bool (Netmask::*)(const string&) const)&Netmask::match);	474✔
230	d_lw->registerEqFunction(&Netmask::operator==);	474✔
231	d_lw->registerToStringFunction(&Netmask::toString);	474✔
232
233	// NetmaskGroup
234	d_lw->writeFunction("newNMG", [](boost::optional<vector<pair<unsigned int, std::string>>> masks) {	474✔
UNCOV 235	auto nmg = NetmaskGroup();	×
236
UNCOV 237	if (masks) {	×
238	for(const auto& mask: *masks) {	×
239	nmg.addMask(mask.second);	×
240	}	×
241	}	×
242
UNCOV 243	return nmg;	×
UNCOV 244	});	×
245	// d_lw->writeFunction("newNMG", []() { return NetmaskGroup(); });
246	d_lw->registerFunction<void(NetmaskGroup::*)(const std::string&mask)>("addMask", [](NetmaskGroup&nmg, const std::string& mask) { nmg.addMask(mask); });	474✔
247	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); } });	474!
248	d_lw->registerFunction("match", (bool (NetmaskGroup::*)(const ComboAddress&) const)&NetmaskGroup::match);	474✔
249
250	// DNSRecord
251	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; });	474✔
252	d_lw->registerMember("name", &DNSRecord::d_name);	474✔
253	d_lw->registerMember("type", &DNSRecord::d_type);	474✔
254	d_lw->registerMember("ttl", &DNSRecord::d_ttl);	474✔
255	d_lw->registerMember("place", &DNSRecord::d_place);	474✔
256	d_lw->registerFunction<string(DNSRecord::*)()>("getContent", [](const DNSRecord& dr) { return dr.getContent()->getZoneRepresentation(); });	474✔
257	d_lw->registerFunction<boost::optional<ComboAddress>(DNSRecord::*)()>("getCA", [](const DNSRecord& dr) {	474✔
258	boost::optional<ComboAddress> ret;	×
259
260	if(auto arec = getRR<ARecordContent>(dr))	×
261	ret=arec->getCA(53);	×
262	else if(auto aaaarec = getRR<AAAARecordContent>(dr))	×
263	ret=aaaarec->getCA(53);	×
264	return ret;	×
265	});	×
266	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))); });	474✔
267
268	// pdnslog
269	#ifdef RECURSOR
270	d_lw->writeFunction("pdnslog", [](const std::string& msg, boost::optional<int> loglevel, boost::optional<std::map<std::string, std::string>> values) {
271	auto log = g_slog->withName("lua");
272	if (values) {	×
273	for (const auto& [key, value] : *values) {	×
274	log = log->withValues(key, Logging::Loggable(value));
275	}
276	}
277	log->info(static_cast<Logr::Priority>(loglevel.get_value_or(Logr::Warning)), msg);
278	#else
279	d_lw->writeFunction("pdnslog", [](const std::string& msg, boost::optional<int> loglevel) {	474✔
280	g_log << (Logger::Urgency)loglevel.get_value_or(Logger::Warning) << msg<<endl;
281	#endif
UNCOV 282	});	×
283
284	d_lw->writeFunction("pdnsrandom", [](boost::optional<uint32_t> maximum) {	474✔
UNCOV 285	return maximum ? dns_random(*maximum) : dns_random_uint32();	×
UNCOV 286	});	×
287
288	// certain constants
289
290	vector<pair<string, int> > rcodes = {{"NOERROR", RCode::NoError },	474✔
291	{"FORMERR", RCode::FormErr },	474✔
292	{"SERVFAIL", RCode::ServFail },	474✔
293	{"NXDOMAIN", RCode::NXDomain },	474✔
294	{"NOTIMP", RCode::NotImp },	474✔
295	{"REFUSED", RCode::Refused },	474✔
296	{"YXDOMAIN", RCode::YXDomain },	474✔
297	{"YXRRSET", RCode::YXRRSet },	474✔
298	{"NXRRSET", RCode::NXRRSet },	474✔
299	{"NOTAUTH", RCode::NotAuth },	474✔
300	{"NOTZONE", RCode::NotZone },	474✔
301	{"DROP", -2 }}; // To give backport-incompatibility warning	474✔
302	for(const auto& rcode : rcodes)	474✔
303	d_pd.push_back({rcode.first, rcode.second});	5,682✔
304
305	d_pd.push_back({"place", in_t{	474✔
306	{"QUESTION", 0},	474✔
307	{"ANSWER", 1},	474✔
308	{"AUTHORITY", 2},	474✔
309	{"ADDITIONAL", 3}	474✔
310	}});	474✔
311
312	d_pd.push_back({"loglevels", in_t{	474✔
313	{"Alert", LOG_ALERT},	474✔
314	{"Critical", LOG_CRIT},	474✔
315	{"Debug", LOG_DEBUG},	474✔
316	{"Emergency", LOG_EMERG},	474✔
317	{"Info", LOG_INFO},	474✔
318	{"Notice", LOG_NOTICE},	474✔
319	{"Warning", LOG_WARNING},	474✔
320	{"Error", LOG_ERR}	474✔
321	}});	474✔
322
323	for(const auto& n : QType::names)	474✔
324	d_pd.push_back({n.first, n.second});	30,787✔
325
326	d_lw->registerMember("tv_sec", &timeval::tv_sec);	474✔
327	d_lw->registerMember("tv_usec", &timeval::tv_usec);	474✔
328
329	postPrepareContext();	474✔
330
331	// so we can let postprepare do changes to this
332	d_lw->writeVariable("pdns", d_pd);	474✔
333	}	474✔
334
335	void BaseLua4::loadStream(std::istream &stream, bool doPostLoad) {	453✔
336	d_lw->executeCode(stream);	453✔
337
338	if (doPostLoad) {	453!
339	postLoad();	453✔
340	}	453✔
341	}	453✔
342
343	BaseLua4::~BaseLua4() = default;	19✔

PowerDNS / pdns / 15920880335

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