#endif
#include "lua2backend.hh"
+Lua2BackendAPIv2::Lua2BackendAPIv2(Logr::log_t slog, const string& suffix)
+{
+ d_slog = slog;
+ d_include_path = ::arg()["lua-global-include-dir"];
+ setArgPrefix("lua2" + suffix);
+ d_debug_log = mustDo("query-logging");
+ prepareContext();
+ loadFile(getArg("filename"));
+}
+
Lua2BackendAPIv2::~Lua2BackendAPIv2()
{
if (f_deinit)
f_deinit();
}
+
+void Lua2BackendAPIv2::postPrepareContext()
+{
+ AuthLua4::postPrepareContext();
+}
+
+void Lua2BackendAPIv2::postLoad()
+{
+ f_lookup = d_lw->readVariable<boost::optional<lookup_call_t>>("dns_lookup").get_value_or(0);
+ f_list = d_lw->readVariable<boost::optional<list_call_t>>("dns_list").get_value_or(0);
+ f_get_all_domains = d_lw->readVariable<boost::optional<get_all_domains_call_t>>("dns_get_all_domains").get_value_or(0);
+ f_get_domaininfo = d_lw->readVariable<boost::optional<get_domaininfo_call_t>>("dns_get_domaininfo").get_value_or(0);
+ f_get_domain_metadata = d_lw->readVariable<boost::optional<get_domain_metadata_call_t>>("dns_get_domain_metadata").get_value_or(0);
+ f_get_all_domain_metadata = d_lw->readVariable<boost::optional<get_all_domain_metadata_call_t>>("dns_get_all_domain_metadata").get_value_or(0);
+ f_get_domain_keys = d_lw->readVariable<boost::optional<get_domain_keys_call_t>>("dns_get_domain_keys").get_value_or(0);
+ f_get_before_and_after_names_absolute = d_lw->readVariable<boost::optional<get_before_and_after_names_absolute_call_t>>("dns_get_before_and_after_names_absolute").get_value_or(0);
+ f_set_notified = d_lw->readVariable<boost::optional<set_notified_call_t>>("dns_set_notified").get_value_or(0);
+
+ auto init = d_lw->readVariable<boost::optional<init_call_t>>("dns_init").get_value_or(0);
+ if (init) {
+ init();
+ }
+
+ f_deinit = d_lw->readVariable<boost::optional<deinit_call_t>>("dns_deinit").get_value_or(0);
+
+ if (f_lookup == nullptr) {
+ throw PDNSException("dns_lookup missing");
+ }
+
+ /* see if dnssec support is wanted */
+ d_dnssec = d_lw->readVariable<boost::optional<bool>>("dns_dnssec").get_value_or(false);
+ if (d_dnssec) {
+ if (f_get_domain_metadata == nullptr) {
+ throw PDNSException("dns_dnssec is true but dns_get_domain_metadata is missing");
+ }
+ if (f_get_before_and_after_names_absolute == nullptr) {
+ throw PDNSException("dns_dnssec is true but dns_get_before_and_after_names_absolute is missing");
+ }
+ /* domain keys is not strictly speaking necessary for dnssec backend */
+ if (f_get_domain_keys == nullptr) {
+ SLOG(g_log << Logger::Warning << "dns_get_domain_keys missing - cannot do live signing" << endl,
+ d_slog->info(Logr::Warning, "dns_get_domain_keys missing - cannot perform live signing"));
+ }
+ }
+}
+
+unsigned int Lua2BackendAPIv2::getCapabilities()
+{
+ unsigned int caps = CAP_DIRECT | CAP_LIST;
+ if (d_dnssec) {
+ caps |= CAP_DNSSEC;
+ }
+ if (f_get_all_domains != nullptr) {
+ caps |= CAP_SEARCH;
+ }
+ return caps;
+}
+
+void Lua2BackendAPIv2::parseLookup(const lookup_result_t& result)
+{
+ for (const auto& row : result) {
+ DNSResourceRecord rec;
+ for (const auto& item : row.second) {
+ if (item.first == "type") {
+ if (item.second.which() == 1) {
+ rec.qtype = QType(boost::get<int>(item.second));
+ }
+ else if (item.second.which() == 3) {
+ rec.qtype = boost::get<string>(item.second);
+ }
+ else if (item.second.which() == 4) {
+ rec.qtype = boost::get<QType>(item.second);
+ }
+ else {
+ throw PDNSException("Unsupported value for type");
+ }
+ }
+ else if (item.first == "name") {
+ if (item.second.which() == 3) {
+ rec.qname = DNSName(boost::get<string>(item.second));
+ }
+ else if (item.second.which() == 2) {
+ rec.qname = boost::get<DNSName>(item.second);
+ }
+ else {
+ throw PDNSException("Unsupported value for name");
+ }
+ }
+ else if (item.first == "domain_id") {
+ rec.domain_id = boost::get<int>(item.second);
+ }
+ else if (item.first == "auth") {
+ rec.auth = boost::get<bool>(item.second);
+ }
+ else if (item.first == "last_modified") {
+ rec.last_modified = static_cast<time_t>(boost::get<int>(item.second));
+ }
+ else if (item.first == "ttl") {
+ rec.ttl = boost::get<int>(item.second);
+ }
+ else if (item.first == "content") {
+ rec.setContent(boost::get<string>(item.second));
+ }
+ else if (item.first == "scopeMask") {
+ rec.scopeMask = boost::get<int>(item.second);
+ }
+ else {
+ SLOG(g_log << Logger::Warning << "Unsupported key '" << item.first << "' in lookup or list result" << endl,
+ d_slog->info(Logr::Warning, "Unsupported kep in lookup or list result", "key", Logging::Loggable(item.first)));
+ }
+ }
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << rec.qname << " IN " << rec.qtype.toString() << " " << rec.ttl << " " << rec.getZoneRepresentation() << "'" << endl,
+ d_slog->info(Logr::Debug, "Got result", "name", Logging::Loggable(rec.qname), "type", Logging::Loggable(rec.qtype), "ttl", Logging::Loggable(rec.ttl), "data", Logging::Loggable(rec.getZoneRepresentation())));
+ }
+ d_result.push_back(std::move(rec));
+ }
+ if (d_result.empty() && d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got empty result" << endl,
+ d_slog->info(Logr::Debug, "Got empty result"));
+ }
+}
+
+bool Lua2BackendAPIv2::list(const ZoneName& target, domainid_t domain_id, bool /* include_disabled */)
+{
+ if (f_list == nullptr) {
+ SLOG(g_log << Logger::Error << "[" << getPrefix() << "] dns_list missing - cannot do AXFR" << endl,
+ d_slog->info(Logr::Error, "dns_list missing - cannot perform AXFR"));
+ return false;
+ }
+
+ if (d_result.size() != 0) {
+ throw PDNSException("list attempted while another was running");
+ }
+
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "list" << "(" << "target=" << target << ",domain_id=" << domain_id << ")" << endl,
+ d_slog->info(Logr::Debug, "Calling list", "target", Logging::Loggable(target), "domain id", Logging::Loggable(domain_id)));
+ }
+ list_result_t result = f_list(target.operator const DNSName&(), domain_id);
+
+ if (result.which() == 0) {
+ return false;
+ }
+
+ parseLookup(boost::get<lookup_result_t>(result));
+
+ return true;
+}
+
+void Lua2BackendAPIv2::lookup(const QType& qtype, const DNSName& qname, domainid_t domain_id, DNSPacket* p)
+{
+ if (d_result.size() != 0) {
+ throw PDNSException("lookup attempted while another was running");
+ }
+
+ lookup_context_t ctx;
+ if (p != NULL) {
+ ctx.emplace_back(lookup_context_t::value_type{"source_address", p->getInnerRemote().toString()});
+ ctx.emplace_back(lookup_context_t::value_type{"real_source_address", p->getRealRemote().toString()});
+ }
+
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "lookup" << "(" << "qtype=" << qtype.toString() << ",qname=" << qname << ",domain_id=" << domain_id << ")" << endl,
+ d_slog->info(Logr::Debug, "Calling lookup", "type", Logging::Loggable(qtype), "name", Logging::Loggable(qname), "domain id", Logging::Loggable(domain_id)));
+ }
+ lookup_result_t result = f_lookup(qtype, qname, domain_id, ctx);
+ parseLookup(result);
+}
+
+bool Lua2BackendAPIv2::get(DNSResourceRecord& rr)
+{
+ if (d_result.size() == 0) {
+ return false;
+ }
+ rr = std::move(d_result.front());
+ d_result.pop_front();
+ return true;
+}
+
+string Lua2BackendAPIv2::directBackendCmd(const string& querystr)
+{
+ string::size_type pos = querystr.find_first_of(" \t");
+ string cmd = querystr;
+ string par = "";
+ if (pos != string::npos) {
+ cmd = querystr.substr(0, pos);
+ par = querystr.substr(pos + 1);
+ }
+ direct_backend_cmd_call_t f = d_lw->readVariable<boost::optional<direct_backend_cmd_call_t>>(cmd).get_value_or(0);
+ if (f == nullptr) {
+ return cmd + "not found";
+ }
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << cmd << "(" << "parameter=" << par << ")" << endl,
+ d_slog->info(Logr::Debug, "Direct backend command", "command", Logging::Loggable(cmd), "parameters", Logging::Loggable(par)));
+ }
+ return f(par);
+}
+
+void Lua2BackendAPIv2::setNotified(domainid_t id, uint32_t serial)
+{
+ if (f_set_notified == NULL) {
+ return;
+ }
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "dns_set_notified" << "(" << "id=" << id << ",serial=" << serial << ")" << endl,
+ d_slog->info(Logr::Debug, "Calling dns_set_notified", "id", Logging::Loggable(id), "serial", Logging::Loggable(serial)));
+ }
+ f_set_notified(id, serial);
+}
+
+void Lua2BackendAPIv2::parseDomainInfo(const domaininfo_result_t& row, DomainInfo& di)
+{
+ di.id = UnknownDomainID;
+ for (const auto& item : row) {
+ if (item.first == "account") {
+ di.account = boost::get<string>(item.second);
+ }
+ else if (item.first == "last_check") {
+ di.last_check = static_cast<time_t>(boost::get<long>(item.second));
+ }
+ else if (item.first == "masters") {
+ for (const auto& primary : boost::get<vector<string>>(item.second)) {
+ di.primaries.push_back(ComboAddress(primary, 53));
+ }
+ }
+ else if (item.first == "id") {
+ di.id = static_cast<domainid_t>(boost::get<long>(item.second));
+ }
+ else if (item.first == "notified_serial") {
+ di.notified_serial = static_cast<unsigned int>(boost::get<long>(item.second));
+ }
+ else if (item.first == "serial") {
+ di.serial = static_cast<unsigned int>(boost::get<long>(item.second));
+ }
+ else if (item.first == "kind") {
+ di.kind = DomainInfo::stringToKind(boost::get<string>(item.second));
+ }
+ else {
+ SLOG(g_log << Logger::Warning << "Unsupported key '" << item.first << "' in domaininfo result" << endl,
+ d_slog->info(Logr::Warning, "Unsupported key in domaininfo result", "key", Logging::Loggable(item.first)));
+ }
+ }
+ di.backend = this;
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << "zone=" << di.zone << ",serial=" << di.serial << ",kind=" << di.getKindString() << "'" << endl,
+ d_slog->info(Logr::Debug, "Got domain info", "zone", Logging::Loggable(di.zone), "serial", Logging::Loggable(di.serial), "kind", Logging::Loggable(di.getKindString())));
+ }
+}
+
+bool Lua2BackendAPIv2::getDomainInfo(const ZoneName& domain, DomainInfo& di, bool /* getSerial */)
+{
+ if (f_get_domaininfo == nullptr) {
+ // use getAuth instead... but getAuth wraps getSOA which will call
+ // getDomainInfo if this is a domain variant, so protect against this
+ // would-be infinite recursion.
+ if (domain.hasVariant()) {
+ SLOG(g_log << Logger::Info << "Unable to return domain information for '" << domain.toLogString() << "' due to unimplemented dns_get_domaininfo" << endl,
+ d_slog->info(Logr::Info, "Unable to return domain information due to unimplemented dns_get_domaininfo", "domain", Logging::Loggable(domain)));
+ return false;
+ }
+ SOAData sd;
+ if (!getAuth(domain, &sd)) {
+ return false;
+ }
+
+ di.id = sd.domain_id;
+ di.zone = domain;
+ di.backend = this;
+ di.serial = sd.serial;
+ return true;
+ }
+
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_domaininfo" << "(" << "domain=" << domain << ")" << endl,
+ d_slog->info(Logr::Debug, "Calling get_domaininfo", "domain", Logging::Loggable(domain)));
+ }
+ get_domaininfo_result_t result = f_get_domaininfo(domain.operator const DNSName&());
+
+ if (result.which() == 0) {
+ return false;
+ }
+
+ di.zone = domain;
+ parseDomainInfo(boost::get<domaininfo_result_t>(result), di);
+
+ return true;
+}
+
+void Lua2BackendAPIv2::getAllDomains(vector<DomainInfo>* domains, bool /* getSerial */, bool /* include_disabled */)
+{
+ if (f_get_all_domains == nullptr) {
+ return;
+ }
+
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_all_domains" << "(" << "" << ")" << endl,
+ d_slog->info(Logr::Debug, "Calling get_all_domains"));
+ }
+ for (const auto& row : f_get_all_domains()) {
+ DomainInfo di;
+ di.zone = ZoneName(row.first);
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << di.zone << "'" << endl,
+ d_slog->info(Logr::Debug, "Got result", "domain", Logging::Loggable(di.zone)));
+ }
+ parseDomainInfo(row.second, di);
+ domains->push_back(std::move(di));
+ }
+}
+
+bool Lua2BackendAPIv2::getAllDomainMetadata(const ZoneName& name, std::map<std::string, std::vector<std::string>>& meta)
+{
+ if (f_get_all_domain_metadata == nullptr) {
+ return false;
+ }
+
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_all_domain_metadata" << "(" << "name=" << name << ")" << endl,
+ d_slog->info(Logr::Debug, "Calling get_all_domain_metadata", "domain", Logging::Loggable(name)));
+ }
+ get_all_domain_metadata_result_t result = f_get_all_domain_metadata(name.operator const DNSName&());
+ if (result.which() == 0) {
+ return false;
+ }
+
+ for (const auto& row : boost::get<vector<pair<string, domain_metadata_result_t>>>(result)) {
+ meta[row.first].clear();
+ for (const auto& item : row.second) {
+ meta[row.first].push_back(item.second);
+ }
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << "kind=" << row.first << ",value=" << boost::algorithm::join(meta[row.first], ", ") << "'" << endl,
+ d_slog->info(Logr::Debug, "Got result", "kind", Logging::Loggable(row.first), "value", Logging::Loggable(boost::algorithm::join(meta[row.first], ", "))));
+ }
+ }
+
+ return true;
+}
+
+bool Lua2BackendAPIv2::getDomainMetadata(const ZoneName& name, const std::string& kind, std::vector<std::string>& meta)
+{
+ if (f_get_domain_metadata == nullptr) {
+ return false;
+ }
+
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_domain_metadata" << "(" << "name=" << name << ",kind=" << kind << ")" << endl,
+ d_slog->info(Logr::Debug, "Calling get_domain_metadata", "domain", Logging::Loggable(name), "kind", Logging::Loggable(kind)));
+ }
+ get_domain_metadata_result_t result = f_get_domain_metadata(name.operator const DNSName&(), kind);
+ if (result.which() == 0) {
+ return false;
+ }
+
+ meta.clear();
+ for (const auto& item : boost::get<domain_metadata_result_t>(result)) {
+ meta.push_back(item.second);
+ }
+
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << "value=" << boost::algorithm::join(meta, ", ") << "'" << endl,
+ d_slog->info(Logr::Debug, "Got result", "value", Logging::Loggable(boost::algorithm::join(meta, ", "))));
+ }
+ return true;
+}
+
+bool Lua2BackendAPIv2::getDomainKeys(const ZoneName& name, std::vector<DNSBackend::KeyData>& keys)
+{
+ if (f_get_domain_keys == nullptr) {
+ return false;
+ }
+
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_domain_keys" << "(" << "name=" << name << ")" << endl,
+ d_slog->info(Logr::Debug, "Calling get_domain_keys", "domain", Logging::Loggable(name)));
+ }
+ get_domain_keys_result_t result = f_get_domain_keys(name.operator const DNSName&());
+
+ if (result.which() == 0) {
+ return false;
+ }
+
+ for (const auto& row : boost::get<vector<pair<int, keydata_result_t>>>(result)) {
+ DNSBackend::KeyData key;
+ key.published = true;
+ for (const auto& item : row.second) {
+ if (item.first == "content") {
+ key.content = boost::get<string>(item.second);
+ }
+ else if (item.first == "id") {
+ key.id = static_cast<unsigned int>(boost::get<int>(item.second));
+ }
+ else if (item.first == "flags") {
+ key.flags = static_cast<unsigned int>(boost::get<int>(item.second));
+ }
+ else if (item.first == "active") {
+ key.active = boost::get<bool>(item.second);
+ }
+ else if (item.first == "published") {
+ key.published = boost::get<bool>(item.second);
+ }
+ else {
+ SLOG(g_log << Logger::Warning << "[" << getPrefix() << "] Unsupported key '" << item.first << "' in keydata result" << endl,
+ d_slog->info(Logr::Warning, "Unsupported key in keydata result", "key", Logging::Loggable(item.first)));
+ }
+ }
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << "id=" << key.id << ",flags=" << key.flags << ",active=" << (key.active ? "true" : "false") << ",published=" << (key.published ? "true" : "false") << "'" << endl,
+ d_slog->info(Logr::Debug, "Got result", "id", Logging::Loggable(key.id), "flags", Logging::Loggable(key.flags), "active", Logging::Loggable(key.active ? "true" : "false"), "published", Logging::Loggable(key.published ? "true" : "false")));
+ }
+ keys.emplace_back(std::move(key));
+ }
+
+ return true;
+}
+
+bool Lua2BackendAPIv2::getBeforeAndAfterNamesAbsolute(domainid_t id, const DNSName& qname, DNSName& unhashed, DNSName& before, DNSName& after)
+{
+ if (f_get_before_and_after_names_absolute == nullptr) {
+ return false;
+ }
+
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_before_and_after_names_absolute" << "(" << "id=<<" << id << ",qname=" << qname << ")" << endl,
+ d_slog->info(Logr::Debug, "Calling get_before_and_after_names_absolute", "id", Logging::Loggable(id), "name", Logging::Loggable(qname)));
+ }
+ get_before_and_after_names_absolute_result_t result = f_get_before_and_after_names_absolute(id, qname);
+
+ if (result.which() == 0) {
+ return false;
+ }
+
+ before_and_after_names_result_t row = boost::get<before_and_after_names_result_t>(result);
+ if (row.size() != 3) {
+ SLOG(g_log << Logger::Error << "Invalid result from dns_get_before_and_after_names_absolute, expected array with 3 items, got " << row.size() << "item(s)" << endl,
+ d_slog->info(Logr::Error, "Invalid result from dns_get_before_and_after_names_absolute, expected array with 3 rows", "rows returned", Logging::Loggable(row.size())));
+ return false;
+ }
+ for (const auto& item : row) {
+ DNSName value;
+ if (item.second.which() == 0) {
+ value = DNSName(boost::get<string>(item.second));
+ }
+ else {
+ value = DNSName(boost::get<DNSName>(item.second));
+ }
+ if (item.first == "unhashed") {
+ unhashed = std::move(value);
+ }
+ else if (item.first == "before") {
+ before = std::move(value);
+ }
+ else if (item.first == "after") {
+ after = std::move(value);
+ }
+ else {
+ SLOG(g_log << Logger::Error << "Invalid result from dns_get_before_and_after_names_absolute, unexpected key " << item.first << endl,
+ d_slog->info(Logr::Error, "Invalid result from dns_get_before_and_after_names_absolute, unexpected key", "key", Logging::Loggable(item.first)));
+ return false;
+ }
+ }
+
+ if (d_debug_log) {
+ SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << "unhashed=" << unhashed << ",before=" << before << ",after=" << after << "'" << endl,
+ d_slog->info(Logr::Debug, "Got result", "unhashed", Logging::Loggable(unhashed), "before", Logging::Loggable(before), "after", Logging::Loggable(after)));
+ }
+ return true;
+}
typedef std::function<string(const string& cmd)> direct_backend_cmd_call_t;
public:
- Lua2BackendAPIv2(Logr::log_t slog, const string& suffix)
- {
- d_slog = slog;
- d_include_path = ::arg()["lua-global-include-dir"];
- setArgPrefix("lua2" + suffix);
- d_debug_log = mustDo("query-logging");
- prepareContext();
- loadFile(getArg("filename"));
- }
-
+ Lua2BackendAPIv2(Logr::log_t slog, const string& suffix);
~Lua2BackendAPIv2() override;
- void postPrepareContext() override
- {
- AuthLua4::postPrepareContext();
- }
-
- void postLoad() override
- {
- f_lookup = d_lw->readVariable<boost::optional<lookup_call_t>>("dns_lookup").get_value_or(0);
- f_list = d_lw->readVariable<boost::optional<list_call_t>>("dns_list").get_value_or(0);
- f_get_all_domains = d_lw->readVariable<boost::optional<get_all_domains_call_t>>("dns_get_all_domains").get_value_or(0);
- f_get_domaininfo = d_lw->readVariable<boost::optional<get_domaininfo_call_t>>("dns_get_domaininfo").get_value_or(0);
- f_get_domain_metadata = d_lw->readVariable<boost::optional<get_domain_metadata_call_t>>("dns_get_domain_metadata").get_value_or(0);
- f_get_all_domain_metadata = d_lw->readVariable<boost::optional<get_all_domain_metadata_call_t>>("dns_get_all_domain_metadata").get_value_or(0);
- f_get_domain_keys = d_lw->readVariable<boost::optional<get_domain_keys_call_t>>("dns_get_domain_keys").get_value_or(0);
- f_get_before_and_after_names_absolute = d_lw->readVariable<boost::optional<get_before_and_after_names_absolute_call_t>>("dns_get_before_and_after_names_absolute").get_value_or(0);
- f_set_notified = d_lw->readVariable<boost::optional<set_notified_call_t>>("dns_set_notified").get_value_or(0);
-
- auto init = d_lw->readVariable<boost::optional<init_call_t>>("dns_init").get_value_or(0);
- if (init) {
- init();
- }
-
- f_deinit = d_lw->readVariable<boost::optional<deinit_call_t>>("dns_deinit").get_value_or(0);
-
- if (f_lookup == nullptr) {
- throw PDNSException("dns_lookup missing");
- }
-
- /* see if dnssec support is wanted */
- d_dnssec = d_lw->readVariable<boost::optional<bool>>("dns_dnssec").get_value_or(false);
- if (d_dnssec) {
- if (f_get_domain_metadata == nullptr) {
- throw PDNSException("dns_dnssec is true but dns_get_domain_metadata is missing");
- }
- if (f_get_before_and_after_names_absolute == nullptr) {
- throw PDNSException("dns_dnssec is true but dns_get_before_and_after_names_absolute is missing");
- }
- /* domain keys is not strictly speaking necessary for dnssec backend */
- if (f_get_domain_keys == nullptr) {
- SLOG(g_log << Logger::Warning << "dns_get_domain_keys missing - cannot do live signing" << endl,
- d_slog->info(Logr::Warning, "dns_get_domain_keys missing - cannot perform live signing"));
- }
- }
- }
-
- unsigned int getCapabilities() override
- {
- unsigned int caps = CAP_DIRECT | CAP_LIST;
- if (d_dnssec) {
- caps |= CAP_DNSSEC;
- }
- if (f_get_all_domains != nullptr) {
- caps |= CAP_SEARCH;
- }
- return caps;
- }
-
- void parseLookup(const lookup_result_t& result)
- {
- for (const auto& row : result) {
- DNSResourceRecord rec;
- for (const auto& item : row.second) {
- if (item.first == "type") {
- if (item.second.which() == 1) {
- rec.qtype = QType(boost::get<int>(item.second));
- }
- else if (item.second.which() == 3) {
- rec.qtype = boost::get<string>(item.second);
- }
- else if (item.second.which() == 4) {
- rec.qtype = boost::get<QType>(item.second);
- }
- else {
- throw PDNSException("Unsupported value for type");
- }
- }
- else if (item.first == "name") {
- if (item.second.which() == 3) {
- rec.qname = DNSName(boost::get<string>(item.second));
- }
- else if (item.second.which() == 2) {
- rec.qname = boost::get<DNSName>(item.second);
- }
- else {
- throw PDNSException("Unsupported value for name");
- }
- }
- else if (item.first == "domain_id") {
- rec.domain_id = boost::get<int>(item.second);
- }
- else if (item.first == "auth") {
- rec.auth = boost::get<bool>(item.second);
- }
- else if (item.first == "last_modified") {
- rec.last_modified = static_cast<time_t>(boost::get<int>(item.second));
- }
- else if (item.first == "ttl") {
- rec.ttl = boost::get<int>(item.second);
- }
- else if (item.first == "content") {
- rec.setContent(boost::get<string>(item.second));
- }
- else if (item.first == "scopeMask") {
- rec.scopeMask = boost::get<int>(item.second);
- }
- else {
- SLOG(g_log << Logger::Warning << "Unsupported key '" << item.first << "' in lookup or list result" << endl,
- d_slog->info(Logr::Warning, "Unsupported kep in lookup or list result", "key", Logging::Loggable(item.first)));
- }
- }
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << rec.qname << " IN " << rec.qtype.toString() << " " << rec.ttl << " " << rec.getZoneRepresentation() << "'" << endl,
- d_slog->info(Logr::Debug, "Got result", "name", Logging::Loggable(rec.qname), "type", Logging::Loggable(rec.qtype), "ttl", Logging::Loggable(rec.ttl), "data", Logging::Loggable(rec.getZoneRepresentation())));
- }
- d_result.push_back(std::move(rec));
- }
- if (d_result.empty() && d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got empty result" << endl,
- d_slog->info(Logr::Debug, "Got empty result"));
- }
- }
-
- bool list(const ZoneName& target, domainid_t domain_id, bool /* include_disabled */ = false) override
- {
- if (f_list == nullptr) {
- SLOG(g_log << Logger::Error << "[" << getPrefix() << "] dns_list missing - cannot do AXFR" << endl,
- d_slog->info(Logr::Error, "dns_list missing - cannot perform AXFR"));
- return false;
- }
-
- if (d_result.size() != 0) {
- throw PDNSException("list attempted while another was running");
- }
-
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "list" << "(" << "target=" << target << ",domain_id=" << domain_id << ")" << endl,
- d_slog->info(Logr::Debug, "Calling list", "target", Logging::Loggable(target), "domain id", Logging::Loggable(domain_id)));
- }
- list_result_t result = f_list(target.operator const DNSName&(), domain_id);
-
- if (result.which() == 0) {
- return false;
- }
-
- parseLookup(boost::get<lookup_result_t>(result));
-
- return true;
- }
-
- void lookup(const QType& qtype, const DNSName& qname, domainid_t domain_id, DNSPacket* p = nullptr) override
- {
- if (d_result.size() != 0) {
- throw PDNSException("lookup attempted while another was running");
- }
-
- lookup_context_t ctx;
- if (p != NULL) {
- ctx.emplace_back(lookup_context_t::value_type{"source_address", p->getInnerRemote().toString()});
- ctx.emplace_back(lookup_context_t::value_type{"real_source_address", p->getRealRemote().toString()});
- }
-
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "lookup" << "(" << "qtype=" << qtype.toString() << ",qname=" << qname << ",domain_id=" << domain_id << ")" << endl,
- d_slog->info(Logr::Debug, "Calling lookup", "type", Logging::Loggable(qtype), "name", Logging::Loggable(qname), "domain id", Logging::Loggable(domain_id)));
- }
- lookup_result_t result = f_lookup(qtype, qname, domain_id, ctx);
- parseLookup(result);
- }
-
- bool get(DNSResourceRecord& rr) override
- {
- if (d_result.size() == 0) {
- return false;
- }
- rr = std::move(d_result.front());
- d_result.pop_front();
- return true;
- }
-
- string directBackendCmd(const string& querystr) override
- {
- string::size_type pos = querystr.find_first_of(" \t");
- string cmd = querystr;
- string par = "";
- if (pos != string::npos) {
- cmd = querystr.substr(0, pos);
- par = querystr.substr(pos + 1);
- }
- direct_backend_cmd_call_t f = d_lw->readVariable<boost::optional<direct_backend_cmd_call_t>>(cmd).get_value_or(0);
- if (f == nullptr) {
- return cmd + "not found";
- }
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << cmd << "(" << "parameter=" << par << ")" << endl,
- d_slog->info(Logr::Debug, "Direct backend command", "command", Logging::Loggable(cmd), "parameters", Logging::Loggable(par)));
- }
- return f(par);
- }
-
- void setNotified(domainid_t id, uint32_t serial) override
- {
- if (f_set_notified == NULL) {
- return;
- }
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "dns_set_notified" << "(" << "id=" << id << ",serial=" << serial << ")" << endl,
- d_slog->info(Logr::Debug, "Calling dns_set_notified", "id", Logging::Loggable(id), "serial", Logging::Loggable(serial)));
- }
- f_set_notified(id, serial);
- }
-
- void parseDomainInfo(const domaininfo_result_t& row, DomainInfo& di)
- {
- di.id = UnknownDomainID;
- for (const auto& item : row) {
- if (item.first == "account") {
- di.account = boost::get<string>(item.second);
- }
- else if (item.first == "last_check") {
- di.last_check = static_cast<time_t>(boost::get<long>(item.second));
- }
- else if (item.first == "masters") {
- for (const auto& primary : boost::get<vector<string>>(item.second)) {
- di.primaries.push_back(ComboAddress(primary, 53));
- }
- }
- else if (item.first == "id") {
- di.id = static_cast<domainid_t>(boost::get<long>(item.second));
- }
- else if (item.first == "notified_serial") {
- di.notified_serial = static_cast<unsigned int>(boost::get<long>(item.second));
- }
- else if (item.first == "serial") {
- di.serial = static_cast<unsigned int>(boost::get<long>(item.second));
- }
- else if (item.first == "kind") {
- di.kind = DomainInfo::stringToKind(boost::get<string>(item.second));
- }
- else {
- SLOG(g_log << Logger::Warning << "Unsupported key '" << item.first << "' in domaininfo result" << endl,
- d_slog->info(Logr::Warning, "Unsupported key in domaininfo result", "key", Logging::Loggable(item.first)));
- }
- }
- di.backend = this;
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << "zone=" << di.zone << ",serial=" << di.serial << ",kind=" << di.getKindString() << "'" << endl,
- d_slog->info(Logr::Debug, "Got domain info", "zone", Logging::Loggable(di.zone), "serial", Logging::Loggable(di.serial), "kind", Logging::Loggable(di.getKindString())));
- }
- }
-
- bool getDomainInfo(const ZoneName& domain, DomainInfo& di, bool /* getSerial */ = true) override
- {
- if (f_get_domaininfo == nullptr) {
- // use getAuth instead... but getAuth wraps getSOA which will call
- // getDomainInfo if this is a domain variant, so protect against this
- // would-be infinite recursion.
- if (domain.hasVariant()) {
- SLOG(g_log << Logger::Info << "Unable to return domain information for '" << domain.toLogString() << "' due to unimplemented dns_get_domaininfo" << endl,
- d_slog->info(Logr::Info, "Unable to return domain information due to unimplemented dns_get_domaininfo", "domain", Logging::Loggable(domain)));
- return false;
- }
- SOAData sd;
- if (!getAuth(domain, &sd)) {
- return false;
- }
-
- di.id = sd.domain_id;
- di.zone = domain;
- di.backend = this;
- di.serial = sd.serial;
- return true;
- }
-
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_domaininfo" << "(" << "domain=" << domain << ")" << endl,
- d_slog->info(Logr::Debug, "Calling get_domaininfo", "domain", Logging::Loggable(domain)));
- }
- get_domaininfo_result_t result = f_get_domaininfo(domain.operator const DNSName&());
-
- if (result.which() == 0) {
- return false;
- }
-
- di.zone = domain;
- parseDomainInfo(boost::get<domaininfo_result_t>(result), di);
-
- return true;
- }
-
- void getAllDomains(vector<DomainInfo>* domains, bool /* getSerial */, bool /* include_disabled */) override
- {
- if (f_get_all_domains == nullptr) {
- return;
- }
-
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_all_domains" << "(" << "" << ")" << endl,
- d_slog->info(Logr::Debug, "Calling get_all_domains"));
- }
- for (const auto& row : f_get_all_domains()) {
- DomainInfo di;
- di.zone = ZoneName(row.first);
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << di.zone << "'" << endl,
- d_slog->info(Logr::Debug, "Got result", "domain", Logging::Loggable(di.zone)));
- }
- parseDomainInfo(row.second, di);
- domains->push_back(std::move(di));
- }
- }
-
- bool getAllDomainMetadata(const ZoneName& name, std::map<std::string, std::vector<std::string>>& meta) override
- {
- if (f_get_all_domain_metadata == nullptr) {
- return false;
- }
-
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_all_domain_metadata" << "(" << "name=" << name << ")" << endl,
- d_slog->info(Logr::Debug, "Calling get_all_domain_metadata", "domain", Logging::Loggable(name)));
- }
- get_all_domain_metadata_result_t result = f_get_all_domain_metadata(name.operator const DNSName&());
- if (result.which() == 0) {
- return false;
- }
-
- for (const auto& row : boost::get<vector<pair<string, domain_metadata_result_t>>>(result)) {
- meta[row.first].clear();
- for (const auto& item : row.second) {
- meta[row.first].push_back(item.second);
- }
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << "kind=" << row.first << ",value=" << boost::algorithm::join(meta[row.first], ", ") << "'" << endl,
- d_slog->info(Logr::Debug, "Got result", "kind", Logging::Loggable(row.first), "value", Logging::Loggable(boost::algorithm::join(meta[row.first], ", "))));
- }
- }
-
- return true;
- }
-
- bool getDomainMetadata(const ZoneName& name, const std::string& kind, std::vector<std::string>& meta) override
- {
- if (f_get_domain_metadata == nullptr) {
- return false;
- }
-
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_domain_metadata" << "(" << "name=" << name << ",kind=" << kind << ")" << endl,
- d_slog->info(Logr::Debug, "Calling get_domain_metadata", "domain", Logging::Loggable(name), "kind", Logging::Loggable(kind)));
- }
- get_domain_metadata_result_t result = f_get_domain_metadata(name.operator const DNSName&(), kind);
- if (result.which() == 0) {
- return false;
- }
-
- meta.clear();
- for (const auto& item : boost::get<domain_metadata_result_t>(result)) {
- meta.push_back(item.second);
- }
-
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << "value=" << boost::algorithm::join(meta, ", ") << "'" << endl,
- d_slog->info(Logr::Debug, "Got result", "value", Logging::Loggable(boost::algorithm::join(meta, ", "))));
- }
- return true;
- }
-
- bool getDomainKeys(const ZoneName& name, std::vector<DNSBackend::KeyData>& keys) override
- {
- if (f_get_domain_keys == nullptr) {
- return false;
- }
-
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_domain_keys" << "(" << "name=" << name << ")" << endl,
- d_slog->info(Logr::Debug, "Calling get_domain_keys", "domain", Logging::Loggable(name)));
- }
- get_domain_keys_result_t result = f_get_domain_keys(name.operator const DNSName&());
-
- if (result.which() == 0) {
- return false;
- }
-
- for (const auto& row : boost::get<vector<pair<int, keydata_result_t>>>(result)) {
- DNSBackend::KeyData key;
- key.published = true;
- for (const auto& item : row.second) {
- if (item.first == "content") {
- key.content = boost::get<string>(item.second);
- }
- else if (item.first == "id") {
- key.id = static_cast<unsigned int>(boost::get<int>(item.second));
- }
- else if (item.first == "flags") {
- key.flags = static_cast<unsigned int>(boost::get<int>(item.second));
- }
- else if (item.first == "active") {
- key.active = boost::get<bool>(item.second);
- }
- else if (item.first == "published") {
- key.published = boost::get<bool>(item.second);
- }
- else {
- SLOG(g_log << Logger::Warning << "[" << getPrefix() << "] Unsupported key '" << item.first << "' in keydata result" << endl,
- d_slog->info(Logr::Warning, "Unsupported key in keydata result", "key", Logging::Loggable(item.first)));
- }
- }
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << "id=" << key.id << ",flags=" << key.flags << ",active=" << (key.active ? "true" : "false") << ",published=" << (key.published ? "true" : "false") << "'" << endl,
- d_slog->info(Logr::Debug, "Got result", "id", Logging::Loggable(key.id), "flags", Logging::Loggable(key.flags), "active", Logging::Loggable(key.active ? "true" : "false"), "published", Logging::Loggable(key.published ? "true" : "false")));
- }
- keys.emplace_back(std::move(key));
- }
-
- return true;
- }
-
- bool getBeforeAndAfterNamesAbsolute(domainid_t id, const DNSName& qname, DNSName& unhashed, DNSName& before, DNSName& after) override
- {
- if (f_get_before_and_after_names_absolute == nullptr) {
- return false;
- }
-
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Calling " << "get_before_and_after_names_absolute" << "(" << "id=<<" << id << ",qname=" << qname << ")" << endl,
- d_slog->info(Logr::Debug, "Calling get_before_and_after_names_absolute", "id", Logging::Loggable(id), "name", Logging::Loggable(qname)));
- }
- get_before_and_after_names_absolute_result_t result = f_get_before_and_after_names_absolute(id, qname);
-
- if (result.which() == 0) {
- return false;
- }
-
- before_and_after_names_result_t row = boost::get<before_and_after_names_result_t>(result);
- if (row.size() != 3) {
- SLOG(g_log << Logger::Error << "Invalid result from dns_get_before_and_after_names_absolute, expected array with 3 items, got " << row.size() << "item(s)" << endl,
- d_slog->info(Logr::Error, "Invalid result from dns_get_before_and_after_names_absolute, expected array with 3 rows", "rows returned", Logging::Loggable(row.size())));
- return false;
- }
- for (const auto& item : row) {
- DNSName value;
- if (item.second.which() == 0) {
- value = DNSName(boost::get<string>(item.second));
- }
- else {
- value = DNSName(boost::get<DNSName>(item.second));
- }
- if (item.first == "unhashed") {
- unhashed = std::move(value);
- }
- else if (item.first == "before") {
- before = std::move(value);
- }
- else if (item.first == "after") {
- after = std::move(value);
- }
- else {
- SLOG(g_log << Logger::Error << "Invalid result from dns_get_before_and_after_names_absolute, unexpected key " << item.first << endl,
- d_slog->info(Logr::Error, "Invalid result from dns_get_before_and_after_names_absolute, unexpected key", "key", Logging::Loggable(item.first)));
- return false;
- }
- }
-
- if (d_debug_log) {
- SLOG(g_log << Logger::Debug << "[" << getPrefix() << "] Got result " << "'" << "unhashed=" << unhashed << ",before=" << before << ",after=" << after << "'" << endl,
- d_slog->info(Logr::Debug, "Got result", "unhashed", Logging::Loggable(unhashed), "before", Logging::Loggable(before), "after", Logging::Loggable(after)));
- }
- return true;
- }
+ void postPrepareContext() override;
+ void postLoad() override;
+ unsigned int getCapabilities() override;
+ bool list(const ZoneName& target, domainid_t domain_id, bool /* include_disabled */ = false) override;
+ void lookup(const QType& qtype, const DNSName& qname, domainid_t domain_id, DNSPacket* p = nullptr) override;
+ bool get(DNSResourceRecord& rr) override;
+ string directBackendCmd(const string& querystr) override;
+ void setNotified(domainid_t id, uint32_t serial) override;
+ void parseDomainInfo(const domaininfo_result_t& row, DomainInfo& di);
+ bool getDomainInfo(const ZoneName& domain, DomainInfo& di, bool /* getSerial */ = true) override;
+ void getAllDomains(vector<DomainInfo>* domains, bool /* getSerial */, bool /* include_disabled */) override;
+ bool getAllDomainMetadata(const ZoneName& name, std::map<std::string, std::vector<std::string>>& meta) override;
+ bool getDomainMetadata(const ZoneName& name, const std::string& kind, std::vector<std::string>& meta) override;
+ bool getDomainKeys(const ZoneName& name, std::vector<DNSBackend::KeyData>& keys) override;
+ bool getBeforeAndAfterNamesAbsolute(domainid_t id, const DNSName& qname, DNSName& unhashed, DNSName& before, DNSName& after) override;
private:
std::list<DNSResourceRecord> d_result;
set_notified_call_t f_set_notified;
deinit_call_t f_deinit;
+
+ void parseLookup(const lookup_result_t& result);
};
projects / thirdparty / pdns.git / commitdiff
