8#include <kea_version.h>
114#include <boost/foreach.hpp>
115#include <boost/pointer_cast.hpp>
116#include <boost/range/adaptor/reversed.hpp>
117#include <boost/shared_ptr.hpp>
131namespace ph = std::placeholders;
137 int hook_index_buffer4_receive_;
138 int hook_index_pkt4_receive_;
139 int hook_index_subnet4_select_;
140 int hook_index_leases4_committed_;
141 int hook_index_lease4_release_;
142 int hook_index_pkt4_send_;
143 int hook_index_buffer4_send_;
144 int hook_index_lease4_decline_;
145 int hook_index_host4_identifier_;
146 int hook_index_ddns4_update_;
147 int hook_index_lease4_offer_;
148 int hook_index_lease4_server_decline_;
169std::set<std::string> dhcp4_statistics = {
171 "pkt4-discover-received",
172 "pkt4-offer-received",
173 "pkt4-request-received",
176 "pkt4-release-received",
177 "pkt4-decline-received",
178 "pkt4-inform-received",
179 "pkt4-unknown-received",
186 "v4-allocation-fail",
187 "v4-allocation-fail-shared-network",
188 "v4-allocation-fail-subnet",
189 "v4-allocation-fail-no-pools",
190 "v4-allocation-fail-classes",
191 "v4-reservation-conflicts",
211 : alloc_engine_(alloc_engine), query_(query), resp_(),
212 context_(context), ipv6_only_preferred_(false) {
214 if (!alloc_engine_) {
216 " when creating an instance of the Dhcpv4Exchange");
221 " creating an instance of the Dhcpv4Exchange");
230 context_->subnet_ = subnet;
236 if (subnet && !context_->early_global_reservations_lookup_) {
237 OptionPtr opt_clientid = query->getOption(DHO_DHCP_CLIENT_IDENTIFIER);
239 context_->clientid_.reset(
new ClientId(opt_clientid->getData()));
245 if (subnet->getReservationsInSubnet() ||
246 subnet->getReservationsGlobal()) {
249 if (!context_->early_global_reservations_lookup_) {
254 alloc_engine->findReservation(*context_);
257 subnet->getSharedNetwork(sn);
267 auto global_host = context_->globalHost();
268 auto current_host = context_->currentHost();
269 if ((!context_->early_global_reservations_lookup_ &&
270 global_host && !global_host->getClientClasses4().empty()) ||
271 (!sn && current_host && !current_host->getClientClasses4().empty())) {
292 if (!context_->hosts_.empty()) {
293 query->addClass(
"KNOWN");
295 .arg(query->getLabel())
298 query->addClass(
"UNKNOWN");
300 .arg(query->getLabel())
309 .arg(query_->getLabel())
313 if (query_->inClass(
"DROP")) {
315 .arg(query_->getHWAddrLabel())
316 .arg(query_->toText());
318 static_cast<int64_t
>(1));
325 uint8_t resp_type = 0;
339 resp_.reset(
new Pkt4(resp_type,
getQuery()->getTransid()));
341 copyDefaultOptions();
355 const Pkt6Ptr& query6 = query->getPkt6();
359 if (!query6->relay_info_.empty()) {
360 resp6->copyRelayInfo(query6);
363 resp6->setIface(query6->getIface());
364 resp6->setIndex(query6->getIndex());
365 resp6->setRemoteAddr(query6->getRemoteAddr());
366 resp6->setRemotePort(query6->getRemotePort());
367 resp_.reset(
new Pkt4o6(resp_, resp6));
371Dhcpv4Exchange::copyDefaultFields() {
372 resp_->setIface(query_->getIface());
373 resp_->setIndex(query_->getIndex());
380 resp_->setCiaddr(query_->getCiaddr());
384 resp_->setHops(query_->getHops());
387 resp_->setHWAddr(query_->getHWAddr());
390 resp_->setGiaddr(query_->getGiaddr());
399 HWAddrPtr src_hw_addr = query_->getLocalHWAddr();
401 resp_->setLocalHWAddr(src_hw_addr);
403 HWAddrPtr dst_hw_addr = query_->getRemoteHWAddr();
405 resp_->setRemoteHWAddr(dst_hw_addr);
409 resp_->setFlags(query_->getFlags());
413Dhcpv4Exchange::copyDefaultOptions() {
417 OptionPtr client_id = query_->getOption(DHO_DHCP_CLIENT_IDENTIFIER);
418 if (client_id && echo) {
419 resp_->addOption(client_id);
432 resp_->addOption(subnet_sel);
445 sao->boolValue() && query_->inClass(
"STASH_AGENT_OPTIONS")) {
448 resp_->addOption(rai);
458 for (
auto const& id_type : cfg->getIdentifierTypes()) {
461 if (context->hwaddr_ && !context->hwaddr_->hwaddr_.empty()) {
462 context->addHostIdentifier(id_type, context->hwaddr_->hwaddr_);
467 if (context->clientid_) {
468 const std::vector<uint8_t>& vec = context->clientid_->getClientId();
473 if ((vec[0] == CLIENT_ID_OPTION_TYPE_DUID) && (vec.size() > 5)) {
475 context->addHostIdentifier(id_type,
476 std::vector<uint8_t>(vec.begin() + 5,
488 if (circuit_id_opt) {
489 const OptionBuffer& circuit_id_vec = circuit_id_opt->getData();
490 if (!circuit_id_vec.empty()) {
491 context->addHostIdentifier(id_type, circuit_id_vec);
499 if (context->clientid_) {
500 const std::vector<uint8_t>& vec = context->clientid_->getClientId();
502 context->addHostIdentifier(id_type, vec);
515 std::vector<uint8_t> id;
524 callout_handle->setArgument(
"query4", context->query_);
525 callout_handle->setArgument(
"id_type", type);
526 callout_handle->setArgument(
"id_value",
id);
532 callout_handle->getArgument(
"id_type", type);
533 callout_handle->getArgument(
"id_value",
id);
539 .arg(context->query_->getLabel())
542 context->addHostIdentifier(type,
id);
557 for (
auto const& def : *defs_ptr) {
561 if (def->getMatchExpr()) {
562 query->classes_.erase(def->getName());
569 if (context->currentHost() && context->query_) {
570 const ClientClasses& classes = context->currentHost()->getClientClasses4();
571 for (
auto const& cclass : classes) {
572 context->query_->addClass(cclass);
579 if (context_->subnet_) {
581 context_->subnet_->getSharedNetwork(shared_network);
582 if (shared_network) {
584 if (host && (host->getIPv4SubnetID() != SUBNET_ID_GLOBAL)) {
596 if (!host->getNextServer().isV4Zero()) {
597 resp_->setSiaddr(host->getNextServer());
600 std::string sname = host->getServerHostname();
601 if (!sname.empty()) {
602 resp_->setSname(
reinterpret_cast<const uint8_t*
>(sname.c_str()),
606 std::string bootfile = host->getBootFileName();
607 if (!bootfile.empty()) {
608 resp_->setFile(
reinterpret_cast<const uint8_t*
>(bootfile.c_str()),
616 boost::shared_ptr<OptionString> vendor_class =
628 pkt->addClass(
"ALL");
642 for (
auto const& it : *defs_ptr) {
650 if (it->getAdditional()) {
654 if (it->getDependOnKnown() != depend_on_known) {
657 it->test(pkt, expr_ptr);
664 const bool use_bcast,
const bool direct_response_desired)
665 : io_service_(new
IOService()), server_port_(server_port),
666 client_port_(client_port), shutdown_(true),
667 alloc_engine_(), use_bcast_(use_bcast),
670 test_send_responses_to_source_(false) {
672 const char* env = std::getenv(
"KEA_TEST_SEND_RESPONSES_TO_SOURCE");
675 test_send_responses_to_source_ =
true;
703 }
catch (
const std::exception &e) {
719 for (
auto const& it : dhcp4_statistics) {
721 stats_mgr.
setValue(it,
static_cast<int64_t
>(0));
731 }
catch (
const std::exception& ex) {
738 }
catch (
const std::exception& ex) {
757 if (!names.empty()) {
759 for (
size_t i = 1; i < names.size(); ++i) {
760 msg += std::string(
", ") + names[i];
766 io_service_->stopAndPoll();
777 bool sanity_only,
bool allow_answer_park) {
780 if (query->isDhcp4o6()) {
789 subnet = cfgmgr.
getCurrentCfg()->getCfgSubnets4()->selectSubnet(selector);
801 shared_ptr<ScopedCalloutHandleState> callout_handle_state(
802 std::make_shared<ScopedCalloutHandleState>(callout_handle));
808 callout_handle->setArgument(
"query4", query);
809 callout_handle->setArgument(
"subnet4", subnet);
810 callout_handle->setArgument(
"subnet4collection",
812 getCfgSubnets4()->getAll());
814 auto const tpl(parkingLimitExceeded(
"subnet4_select"));
815 bool const exceeded(get<0>(tpl));
817 uint32_t
const limit(get<1>(tpl));
822 .arg(query->getLabel());
828 "subnet4_select", query, [
this, query, allow_answer_park, callout_handle_state]() {
830 boost::shared_ptr<function<void()>> callback(
831 boost::make_shared<function<
void()>>(
832 [
this, query, allow_answer_park]()
mutable {
835 callout_handle_state->on_completion_ = [callback]() {
858 .arg(query->getLabel());
871 .arg(query->getLabel());
880 .arg(query->getLabel());
886 callout_handle->getArgument(
"subnet4", subnet);
892 .arg(query->getLabel())
893 .arg(subnet->getID());
897 .arg(query->getLabel())
898 .arg(subnet->toText());
903 .arg(query->getLabel());
911 bool sanity_only,
bool allow_answer_park) {
915 selector.
ciaddr_ = query->getCiaddr();
916 selector.
giaddr_ = query->getGiaddr();
927 Pkt4o6Ptr query4o6 = boost::dynamic_pointer_cast<Pkt4o6>(query);
931 const Pkt6Ptr& query6 = query4o6->getPkt6();
934 if (query6 && !query6->relay_info_.empty()) {
935 for (
auto const& relay : boost::adaptors::reverse(query6->relay_info_)) {
936 if (!relay.linkaddr_.isV6Zero() &&
937 !relay.linkaddr_.isV6LinkLocal()) {
950 OptionCustomPtr oc = boost::dynamic_pointer_cast<OptionCustom>(sbnsel);
957 subnet = cfgmgr.
getCurrentCfg()->getCfgSubnets4()->selectSubnet4o6(selector);
969 shared_ptr<ScopedCalloutHandleState> callout_handle_state(
970 std::make_shared<ScopedCalloutHandleState>(callout_handle));
976 callout_handle->setArgument(
"query4", query);
977 callout_handle->setArgument(
"subnet4", subnet);
978 callout_handle->setArgument(
"subnet4collection",
980 getCfgSubnets4()->getAll());
982 auto const tpl(parkingLimitExceeded(
"subnet4_select"));
983 bool const exceeded(get<0>(tpl));
985 uint32_t
const limit(get<1>(tpl));
990 .arg(query->getLabel());
996 "subnet4_select", query, [
this, query, allow_answer_park, callout_handle_state]() {
998 boost::shared_ptr<function<void()>> callback(
999 boost::make_shared<function<
void()>>(
1000 [
this, query, allow_answer_park]()
mutable {
1003 callout_handle_state->on_completion_ = [callback]() {
1026 .arg(query->getLabel());
1039 .arg(query->getLabel());
1048 .arg(query->getLabel());
1054 callout_handle->getArgument(
"subnet4", subnet);
1061 .arg(query->getLabel())
1062 .arg(subnet->getID());
1067 .arg(query->getLabel())
1068 .arg(subnet->toText());
1073 .arg(query->getLabel());
1093 ctx->query_ = query;
1096 ctx->hwaddr_ = query->getHWAddr();
1110 ctx->early_global_reservations_lookup_ = egrl->boolValue();
1114 if (ctx->early_global_reservations_lookup_) {
1116 OptionPtr opt_clientid = query->getOption(DHO_DHCP_CLIENT_IDENTIFIER);
1118 ctx->clientid_.reset(
new ClientId(opt_clientid->getData()));
1127 if (global_host && !global_host->getClientClasses4().empty()) {
1132 const ClientClasses& classes = global_host->getClientClasses4();
1133 for (
auto const& cclass : classes) {
1134 query->addClass(cclass);
1143 query->addClass(
"KNOWN");
1145 .arg(query->getLabel())
1152 if (query->inClass(
"DROP")) {
1155 .arg(query->getHWAddrLabel())
1156 .arg(query->toText());
1158 static_cast<int64_t
>(1));
1163 ctx->hosts_[SUBNET_ID_GLOBAL] = global_host;
1177 const char*
interface = getenv(
"KEA_AFL_INTERFACE");
1179 isc_throw(FuzzInitFail,
"no fuzzing interface has been set");
1183 const char* address = getenv(
"KEA_AFL_ADDRESS");
1185 isc_throw(FuzzInitFail,
"no fuzzing address has been set");
1193 while (__AFL_LOOP(fuzzer.maxLoopCount())) {
1205 }
catch (
const std::exception& e) {
1236 uint32_t timeout = 1;
1247 .arg(query->getRemoteAddr().toText())
1248 .arg(query->getRemotePort())
1249 .arg(query->getLocalAddr().toText())
1250 .arg(query->getLocalPort())
1251 .arg(query->getIface());
1267 }
catch (
const std::exception& e) {
1283 .arg(query->getLabel());
1287 query->addPktEvent(
"mt_queued");
1288 typedef function<void()> CallBack;
1289 boost::shared_ptr<CallBack> call_back =
1305 }
catch (
const std::exception& e) {
1307 .arg(query->getLabel())
1328 query->addPktEvent(
"process_started");
1331 query->addClass(
"ALL");
1338 static_cast<int64_t
>(1));
1340 bool skip_unpack =
false;
1357 callout_handle->setArgument(
"query4", query);
1369 .arg(query->getRemoteAddr().toText())
1370 .arg(query->getLocalAddr().toText())
1371 .arg(query->getIface());
1382 .arg(query->getRemoteAddr().toText())
1383 .arg(query->getLocalAddr().toText())
1384 .arg(query->getIface());
1388 callout_handle->getArgument(
"query4", query);
1396 .arg(query->getRemoteAddr().toText())
1397 .arg(query->getLocalAddr().toText())
1398 .arg(query->getIface());
1405 .arg(query->getLabel())
1407 }
catch (
const std::exception& e) {
1410 .arg(query->getLabel())
1411 .arg(query->getRemoteAddr().toText())
1412 .arg(query->getLocalAddr().toText())
1413 .arg(query->getIface())
1415 .arg(query->getHWAddrLabel());
1419 static_cast<int64_t
>(1));
1421 static_cast<int64_t
>(1));
1428 .arg(query->getLabel());
1436 }
catch (
const std::exception&) {
1453 static_cast<int64_t
>(1));
1459 int type = query->getType();
1461 .arg(query->getLabel())
1462 .arg(query->getName())
1464 .arg(query->getRemoteAddr())
1465 .arg(query->getLocalAddr())
1466 .arg(query->getIface());
1468 .arg(query->getLabel())
1469 .arg(query->toText());
1485 callout_handle->setArgument(
"query4", query);
1498 .arg(query->getLabel());
1502 callout_handle->getArgument(
"query4", query);
1506 if (query->inClass(
"DROP")) {
1508 .arg(query->getHWAddrLabel())
1509 .arg(query->toText());
1511 static_cast<int64_t
>(1));
1520 bool allow_answer_park) {
1529 }
catch (
const std::exception& e) {
1531 .arg(query->getLabel())
1551 this, query, allow_answer_park));
1552 if (!client_handler.
tryLock(query, cont)) {
1568 ctx->subnet_ =
selectSubnet(query, drop,
false, allow_answer_park);
1574 }
catch (
const std::exception& e) {
1584 .arg(query->getLabel())
1589 static_cast<int64_t
>(1));
1598 bool allow_answer_park) {
1608 }
catch (
const std::exception& e) {
1610 .arg(query->getLabel())
1619 bool allow_answer_park) {
1627 callout_handle->getContext(
"subnet4", ctx->subnet_);
1637 bool allow_answer_park) {
1644 switch (query->getType()) {
1674 }
catch (
const std::exception& e) {
1684 .arg(query->getLabel())
1689 static_cast<int64_t
>(1));
1696 int hook_idx =
Hooks.hook_index_leases4_committed_;
1697 std::string hook_label =
"leases4_committed";
1701 if (ctx->fake_allocation_) {
1702 hook_idx =
Hooks.hook_index_lease4_offer_;
1703 hook_label =
"lease4_offer";
1733 std::shared_ptr<ScopedCalloutHandleState> callout_handle_state =
1734 std::make_shared<ScopedCalloutHandleState>(callout_handle);
1739 callout_handle->setArgument(
"query4", query);
1743 callout_handle->setArgument(
"response4", rsp);
1747 if (ctx->new_lease_ && (ctx->new_lease_->reuseable_valid_lft_ == 0)) {
1748 new_leases->push_back(ctx->new_lease_);
1750 callout_handle->setArgument(
"leases4", new_leases);
1752 if (ctx->fake_allocation_) {
1754 callout_handle->setArgument(
"offer_lifetime", ctx->offer_lft_);
1755 callout_handle->setArgument(
"old_lease", ctx->old_lease_);
1759 if (ctx->old_lease_) {
1760 if ((!ctx->new_lease_) || (ctx->new_lease_->addr_ != ctx->old_lease_->addr_)) {
1761 deleted_leases->push_back(ctx->old_lease_);
1764 callout_handle->setArgument(
"deleted_leases4", deleted_leases);
1767 if (allow_answer_park) {
1768 auto const tpl(parkingLimitExceeded(hook_label));
1769 bool const exceeded(get<0>(tpl));
1771 uint32_t
const limit(get<1>(tpl));
1775 .arg(query->getLabel());
1777 static_cast<int64_t
>(1));
1787 [
this, callout_handle, query, rsp, callout_handle_state, hook_idx, ctx]()
mutable {
1788 if (hook_idx ==
Hooks.hook_index_lease4_offer_) {
1789 bool offer_address_in_use =
false;
1791 callout_handle->getArgument(
"offer_address_in_use", offer_address_in_use);
1794 .arg(query->getLabel())
1798 if (offer_address_in_use) {
1800 bool lease_exists = (ctx->offer_lft_ > 0);
1802 typedef function<void()> CallBack;
1805 boost::shared_ptr<CallBack> call_back = boost::make_shared<CallBack>(
1807 callout_handle, query, lease, lease_exists));
1808 callout_handle_state->on_completion_ = [call_back]() {
1821 typedef function<void()> CallBack;
1822 boost::shared_ptr<CallBack> call_back = boost::make_shared<CallBack>(
1824 query, rsp, ctx->subnet_));
1825 callout_handle_state->on_completion_ = [call_back]() {
1840 if (allow_answer_park) {
1848 allow_answer_park) {
1850 .arg(query->getLabel());
1861 .arg(query->getLabel());
1883 }
catch (
const std::exception& e) {
1885 .arg(query->getLabel())
1896 query->addPktEvent(
"process_completed");
1902 bool skip_pack =
false;
1918 callout_handle->setArgument(
"query4", query);
1921 callout_handle->setArgument(
"response4", rsp);
1924 callout_handle->setArgument(
"subnet4", subnet);
1937 .arg(query->getLabel());
1944 .arg(rsp->getLabel());
1953 .arg(rsp->getLabel());
1955 }
catch (
const std::exception& e) {
1957 .arg(rsp->getLabel())
1987 callout_handle->setArgument(
"response4", rsp);
2000 .arg(rsp->getLabel());
2004 callout_handle->getArgument(
"response4", rsp);
2008 .arg(rsp->getLabel())
2009 .arg(rsp->getName())
2010 .arg(
static_cast<int>(rsp->getType()))
2011 .arg(rsp->getLocalAddr().isV4Zero() ?
"*" : rsp->getLocalAddr().toText())
2012 .arg(rsp->getLocalPort())
2013 .arg(rsp->getRemoteAddr())
2014 .arg(rsp->getRemotePort())
2015 .arg(rsp->getIface().empty() ?
"to be determined from routing" :
2020 .arg(rsp->getLabel())
2021 .arg(rsp->getName())
2022 .arg(
static_cast<int>(rsp->getType()))
2023 .arg(rsp->toText());
2029 }
catch (
const std::exception& e) {
2031 .arg(rsp->getLabel())
2041 boost::shared_ptr<Option4AddrLst> generated =
2042 boost::dynamic_pointer_cast<Option4AddrLst>(srvid);
2048 if (addrs.size() != 1) {
2050 <<
"Expected to contain a single IPv4 address.");
2053 return (addrs[0].toText());
2071 if (local_addr.
isV4Bcast() || query->isDhcp4o6()) {
2077 opt_srvid->writeAddress(local_addr);
2095 if (host && !host->getCfgOption4()->empty()) {
2096 co_list.push_back(host->getCfgOption4());
2103 addr = resp->getYiaddr();
2107 if (pool && !pool->getCfgOption()->empty()) {
2108 co_list.push_back(pool->getCfgOption());
2113 if (!subnet->getCfgOption()->empty()) {
2114 co_list.push_back(subnet->getCfgOption());
2119 subnet->getSharedNetwork(network);
2120 if (network && !network->getCfgOption()->empty()) {
2121 co_list.push_back(network->getCfgOption());
2126 for (
auto const& cclass : classes) {
2129 getClientClassDictionary()->findClass(cclass);
2141 if (ccdef->getCfgOption()->empty()) {
2146 co_list.push_back(ccdef->getCfgOption());
2170 if (co_list.empty()) {
2176 set<uint8_t> requested_opts;
2185 for (uint16_t code : option_prl->getValues()) {
2186 static_cast<void>(requested_opts.insert(code));
2190 std::set<uint8_t> cancelled_opts;
2191 const auto& cclasses = query->getClasses();
2195 for (
auto const& copts : co_list) {
2203 BOOST_FOREACH(
auto const& desc, prange) {
2206 uint8_t code =
static_cast<uint8_t
>(desc.option_->getType());
2207 static_cast<void>(requested_opts.insert(code));
2213 BOOST_FOREACH(
auto const& desc, crange) {
2216 uint8_t code =
static_cast<uint8_t
>(desc.option_->getType());
2217 static_cast<void>(cancelled_opts.insert(code));
2224 for (uint8_t opt : requested_opts) {
2225 if (cancelled_opts.count(opt) > 0) {
2233 if (!resp->getOption(opt)) {
2235 for (
auto const& copts : co_list) {
2240 resp->addOption(desc.
option_);
2253 set<uint32_t> vendor_ids;
2257 vendor_opts = boost::dynamic_pointer_cast<OptionVendorClass>(opt.second);
2259 uint32_t vendor_id = vendor_opts->getVendorId();
2260 static_cast<void>(vendor_ids.insert(vendor_id));
2264 for (
auto const& copts : co_list) {
2267 if (!desc.option_ || !desc.allowedForClientClasses(cclasses)) {
2271 boost::dynamic_pointer_cast<OptionVendorClass>(desc.option_);
2276 uint32_t vendor_id = vendor_opts->getVendorId();
2277 if (vendor_ids.count(vendor_id) > 0) {
2281 resp->Pkt::addOption(desc.option_);
2282 static_cast<void>(vendor_ids.insert(vendor_id));
2291 set<uint32_t> vendor_ids;
2295 vendor_opts = boost::dynamic_pointer_cast<OptionVendor>(opt.second);
2297 uint32_t vendor_id = vendor_opts->getVendorId();
2298 static_cast<void>(vendor_ids.insert(vendor_id));
2302 for (
auto const& copts : co_list) {
2305 if (!desc.option_ || !desc.allowedForClientClasses(cclasses)) {
2309 boost::dynamic_pointer_cast<OptionVendor>(desc.option_);
2314 uint32_t vendor_id = vendor_opts->getVendorId();
2315 if (vendor_ids.count(vendor_id) > 0) {
2321 resp->Pkt::addOption(vendor_opts);
2322 static_cast<void>(vendor_ids.insert(vendor_id));
2342 if (!subnet || co_list.empty()) {
2348 set<uint32_t> vendor_ids;
2352 map<uint32_t, OptionVendorPtr> vendor_rsps;
2355 vendor_rsp = boost::dynamic_pointer_cast<OptionVendor>(opt.second);
2357 uint32_t vendor_id = vendor_rsp->getVendorId();
2358 vendor_rsps[vendor_id] = vendor_rsp;
2359 static_cast<void>(vendor_ids.insert(vendor_id));
2365 map<uint32_t, OptionVendorPtr> vendor_reqs;
2368 vendor_req = boost::dynamic_pointer_cast<OptionVendor>(opt.second);
2370 uint32_t vendor_id = vendor_req->getVendorId();
2371 vendor_reqs[vendor_id] = vendor_req;
2372 static_cast<void>(vendor_ids.insert(vendor_id));
2380 vendor_class = boost::dynamic_pointer_cast<OptionVendorClass>(opt.second);
2382 uint32_t vendor_id = vendor_class->getVendorId();
2383 static_cast<void>(vendor_ids.insert(vendor_id));
2389 if (vendor_ids.empty()) {
2393 map<uint32_t, set<uint8_t> > requested_opts;
2407 oro = boost::dynamic_pointer_cast<OptionUint8Array>(oro_generic);
2410 set<uint8_t> oro_req_opts;
2411 for (uint8_t code : oro->getValues()) {
2412 static_cast<void>(oro_req_opts.insert(code));
2418 const auto& cclasses = query->getClasses();
2419 for (uint32_t vendor_id : vendor_ids) {
2421 std::set<uint8_t> cancelled_opts;
2425 for (
auto const& copts : co_list) {
2434 BOOST_FOREACH(
auto const& desc, prange) {
2437 uint8_t code =
static_cast<uint8_t
>(desc.option_->getType());
2438 static_cast<void>(requested_opts[vendor_id].insert(code));
2445 BOOST_FOREACH(
auto const& desc, crange) {
2448 uint8_t code =
static_cast<uint8_t
>(desc.option_->getType());
2449 static_cast<void>(cancelled_opts.insert(code));
2459 if (requested_opts[vendor_id].empty()) {
2467 if (vendor_rsps.count(vendor_id) > 0) {
2468 vendor_rsp = vendor_rsps[vendor_id];
2476 for (uint8_t opt : requested_opts[vendor_id]) {
2477 if (cancelled_opts.count(opt) > 0) {
2480 if (!vendor_rsp->getOption(opt)) {
2481 for (
auto const& copts : co_list) {
2485 vendor_rsp->addOption(desc.
option_);
2495 if (added && (vendor_rsps.count(vendor_id) == 0)) {
2496 resp->Pkt::addOption(vendor_rsp);
2505 static const std::vector<uint16_t> required_options = {
2519 if (co_list.empty()) {
2524 const auto& cclasses = ex.
getQuery()->getClasses();
2528 for (
auto const& required : required_options) {
2529 OptionPtr opt = resp->getOption(required);
2532 for (
auto const& copts : co_list) {
2534 required, cclasses);
2536 resp->addOption(desc.
option_);
2556 .arg(query->getLabel());
2557 processClientFqdnOption(ex);
2562 .arg(query->getLabel());
2563 processHostnameOption(ex);
2569 std::string hostname;
2570 bool fqdn_fwd =
false;
2571 bool fqdn_rev =
false;
2574 fqdn = boost::dynamic_pointer_cast<Option4ClientFqdn>(resp->getOption(
DHO_FQDN));
2576 hostname = fqdn->getDomainName();
2579 opt_hostname = boost::dynamic_pointer_cast<OptionString>
2583 hostname = opt_hostname->getValue();
2588 if (hostname ==
".") {
2594 if (ex.
getContext()->getDdnsParams()->getEnableUpdates()) {
2614 callout_handle->setArgument(
"query4", query);
2615 callout_handle->setArgument(
"response4", resp);
2616 callout_handle->setArgument(
"subnet4", subnet);
2617 callout_handle->setArgument(
"hostname", hostname);
2618 callout_handle->setArgument(
"fwd-update", fqdn_fwd);
2619 callout_handle->setArgument(
"rev-update", fqdn_rev);
2620 callout_handle->setArgument(
"ddns-params", ex.
getContext()->getDdnsParams());
2626 string hook_hostname;
2627 bool hook_fqdn_fwd =
false;
2628 bool hook_fqdn_rev =
false;
2629 callout_handle->getArgument(
"hostname", hook_hostname);
2630 callout_handle->getArgument(
"fwd-update", hook_fqdn_fwd);
2631 callout_handle->getArgument(
"rev-update", hook_fqdn_rev);
2635 if ((hostname != hook_hostname) || (fqdn_fwd != hook_fqdn_fwd) ||
2636 (fqdn_rev != hook_fqdn_rev)) {
2638 .arg(hostname).arg(hook_hostname).arg(fqdn_fwd).arg(hook_fqdn_fwd)
2639 .arg(fqdn_rev).arg(hook_fqdn_rev);
2640 hostname = hook_hostname;
2641 fqdn_fwd = hook_fqdn_fwd;
2642 fqdn_rev = hook_fqdn_rev;
2646 OptionStringPtr hostname_opt = boost::dynamic_pointer_cast<OptionString>
2649 hostname_opt->setValue(hook_hostname);
2654 fqdn = boost::dynamic_pointer_cast<Option4ClientFqdn>(resp->getOption(
DHO_FQDN));
2666 ctx->fwd_dns_update_ = fqdn_fwd;
2667 ctx->rev_dns_update_ = fqdn_rev;
2668 ctx->hostname_ = hostname;
2693 .arg(fqdn->toText());
2709 !ex.
getContext()->currentHost()->getHostname().empty()) {
2735 .arg(fqdn_resp->
toText());
2745 OptionStringPtr opt_hostname = boost::dynamic_pointer_cast<OptionString>
2751 .arg(opt_hostname->getValue());
2759 if (ctx->currentHost() && !ctx->currentHost()->getHostname().empty()) {
2761 std::string hostname = d2_mgr.
qualifyName(ctx->currentHost()->getHostname(),
2764 boost::algorithm::to_lower(hostname);
2782 ex.
getContext()->getDdnsParams()->getReplaceClientNameMode();
2785 if (!opt_hostname) {
2805 .arg(opt_hostname->getValue());
2808 unsigned int label_count;
2814 }
catch (
const std::exception& exc) {
2825 if (label_count == 0) {
2843 || label_count < 2) {
2857 ex.
getContext()->getDdnsParams()->getHostnameSanitizer();
2860 hostname = sanitizer->scrub(hostname);
2864 boost::algorithm::to_lower(hostname);
2866 if (label_count == 2) {
2874 opt_hostname_resp.reset(
2885 .arg(opt_hostname_resp->getValue());
2895 "NULL lease specified when creating NameChangeRequest");
2903 if ((lease->reuseable_valid_lft_ == 0) &&
2905 !lease->hasIdenticalFqdn(*old_lease))) {
2923 while (current_subnet) {
2929 subnet = current_subnet;
2933 current_subnet = current_subnet->getNextSubnet(subnet, client_classes);
2937 subnet->getSharedNetwork(network);
2969 bool fake_allocation = (query->getType() ==
DHCPDISCOVER);
2975 auto const& requested_opts = option_prl->getValues();
2976 if ((std::find(requested_opts.cbegin(), requested_opts.cend(),
2980 ctx->subnet_ = subnet;
2982 if (!fake_allocation) {
2983 resp->setCiaddr(query->getCiaddr());
2999 if (opt_requested_address) {
3000 hint = opt_requested_address->readAddress();
3002 }
else if (!query->getCiaddr().isV4Zero()) {
3003 hint = query->getCiaddr();
3010 auto authoritative =
false;
3016 auto init_reboot = (!fake_allocation && !opt_serverid && opt_requested_address);
3019 .arg(query->getLabel())
3024 authoritative = subnet->getAuthoritative();
3030 authoritative = flag->boolValue();
3033 }
else if (fake_allocation) {
3035 .arg(query->getLabel())
3039 .arg(query->getLabel())
3047 if (!subnet && (!init_reboot || authoritative)) {
3054 .arg(query->getLabel())
3055 .arg(query->getRemoteAddr().toText())
3056 .arg(query->getName());
3074 auto const& classes = query->getClasses();
3084 if (original_subnet && client_id) {
3088 if (!leases_client_id.empty()) {
3094 for (
auto const& l : leases_client_id) {
3095 if (l->subnet_id_ == s->getID()) {
3105 s = s->getNextSubnet(original_subnet, classes);
3113 if (original_subnet && !lease && hwaddr) {
3117 if (!leases_hwaddr.empty()) {
3122 for (
auto const& l : leases_hwaddr) {
3123 if (l->subnet_id_ == s->getID()) {
3133 s = s->getNextSubnet(original_subnet, classes);
3142 bool known_client = lease && lease->belongsToClient(hwaddr, client_id);
3143 if (!authoritative && !known_client) {
3146 .arg(query->getLabel())
3155 if ((known_client && (lease->addr_ != hint)) ||
3156 (!known_client && authoritative) ||
3157 (!original_subnet)) {
3160 .arg(query->getLabel())
3172 ctx->requested_address_ = hint;
3173 ctx->fake_allocation_ = fake_allocation;
3174 ctx->callout_handle_ = callout_handle;
3188 bool reprocess_client_name =
false;
3192 auto ddns_params = ex.
getContext()->getDdnsParams();
3193 auto pool = ddns_params->setPoolFromAddress(lease->addr_);
3195 reprocess_client_name = pool->hasDdnsParameters();
3201 if (subnet && ctx->subnet_ && subnet->getID() != ctx->subnet_->getID()) {
3210 subnet->getSharedNetwork(network);
3212 .arg(query->getLabel())
3213 .arg(subnet->toText())
3214 .arg(ctx->subnet_->toText())
3215 .arg(network ? network->getName() :
"<no network?>");
3217 subnet = ctx->subnet_;
3219 reprocess_client_name =
true;
3225 bool client_name_changed =
false;
3227 if (reprocess_client_name) {
3232 ctx->hostname_ =
"";
3233 ctx->fwd_dns_update_ =
false;
3234 ctx->rev_dns_update_ =
false;
3241 if ((lease->hostname_ != ctx->hostname_) ||
3242 (lease->fqdn_fwd_ != ctx->fwd_dns_update_) ||
3243 (lease->fqdn_rev_ != ctx->rev_dns_update_)) {
3244 lease->hostname_ = ctx->hostname_;
3245 lease->fqdn_fwd_ = ctx->fwd_dns_update_;
3246 lease->fqdn_rev_ = ctx->rev_dns_update_;
3247 client_name_changed =
true;
3254 if (fake_allocation) {
3256 .arg(query->getLabel())
3257 .arg(lease->addr_.toText());
3260 .arg(query->getLabel())
3261 .arg(lease->addr_.toText())
3269 if (!ctx->subnet_->getMatchClientId()) {
3271 .arg(ctx->query_->getLabel())
3272 .arg(ctx->subnet_->getID());
3275 resp->setYiaddr(lease->addr_);
3281 if (!fake_allocation) {
3286 resp->setCiaddr(query->getCiaddr());
3295 if (lease->reuseable_valid_lft_ > 0) {
3296 lease->valid_lft_ = lease->reuseable_valid_lft_;
3298 .arg(query->getLabel())
3299 .arg(lease->addr_.toText())
3316 resp->addOption(opt);
3319 resp->addOption(getNetmaskOption(subnet));
3325 if (!fake_allocation) {
3331 .arg(query->getLabel())
3339 if (ctx->unknown_requested_addr_) {
3351 s = s->getNextSubnet(original_subnet);
3359 .arg(query->getLabel())
3360 .arg(query->getCiaddr().toText())
3361 .arg(opt_requested_address ?
3362 opt_requested_address->readAddress().toText() :
"(no address)");
3370 .arg(query->getLabel())
3371 .arg(query->getCiaddr().toText())
3372 .arg(opt_requested_address ?
3373 opt_requested_address->readAddress().toText() :
"(no address)");
3385 const Pkt4Ptr& query,
const Pkt4Ptr& resp,
bool client_name_changed) {
3394 opt_hostname = boost::dynamic_pointer_cast<OptionString>(resp->getOption(
DHO_HOST_NAME));
3395 if (!opt_hostname) {
3402 if (lease->hostname_.empty()) {
3409 .
generateFqdn(lease->addr_, *(ctx->getDdnsParams()),
static_cast<bool>(fqdn));
3412 .arg(query->getLabel())
3413 .arg(lease->hostname_);
3415 client_name_changed =
true;
3418 if (client_name_changed) {
3424 if (!ctx->fake_allocation_ || (ctx->offer_lft_ > 0)) {
3426 lease->reuseable_valid_lft_ = 0;
3439 opt_hostname->setValue(lease->hostname_);
3443 .arg(query->getLabel())
3444 .arg(lease->hostname_)
3454 uint32_t t2_time = 0;
3456 if (!subnet->getT2().unspecified()) {
3457 t2_time = subnet->getT2();
3458 }
else if (subnet->getCalculateTeeTimes()) {
3460 t2_time =
static_cast<uint32_t
>(round(subnet->getT2Percent() * (lease->valid_lft_)));
3465 uint32_t timer_ceiling = lease->valid_lft_;
3466 if (t2_time > 0 && t2_time < timer_ceiling) {
3468 resp->addOption(t2);
3470 timer_ceiling = t2_time;
3473 uint32_t t1_time = 0;
3475 if (!subnet->getT1().unspecified()) {
3476 t1_time = subnet->getT1();
3477 }
else if (subnet->getCalculateTeeTimes()) {
3479 t1_time =
static_cast<uint32_t
>(round(subnet->getT1Percent() * (lease->valid_lft_)));
3484 if (t1_time > 0 && t1_time < timer_ceiling) {
3486 resp->addOption(t1);
3498 return (query->getRemotePort());
3526 }
else if (((query->getType() ==
DHCPINFORM) &&
3527 ((!query->getCiaddr().isV4Zero()) ||
3528 (!query->isRelayed() && !query->getRemoteAddr().isV4Zero()))) ||
3529 ((query->getType() !=
DHCPINFORM) && !query->isRelayed())) {
3530 response->setRemotePort(DHCP4_CLIENT_PORT);
3535 response->setRemotePort(relay_port ? relay_port : DHCP4_SERVER_PORT);
3539 if (query->isRelayed() &&
3545 response->resetIndex();
3547 response->setIface(query->getIface());
3551 IOAddress local_addr = query->getLocalAddr();
3560 if (local_addr.
isV4Bcast() || query->isDhcp4o6()) {
3571 response->setLocalAddr(local_addr);
3580 response->setIndex(query->getIndex());
3581 response->setIface(query->getIface());
3587 response->setLocalPort(DHCP4_SERVER_PORT);
3599 if (query->isDhcp4o6()) {
3600 response->setRemoteAddr(query->getRemoteAddr());
3612 if (!query->getCiaddr().isV4Zero()) {
3613 response->setRemoteAddr(query->getCiaddr());
3620 }
else if (query->isRelayed()) {
3621 response->setRemoteAddr(query->getGiaddr());
3622 response->setFlags(response->getFlags() | BOOTP_BROADCAST);
3627 response->setRemoteAddr(query->getRemoteAddr());
3634 if (query->isRelayed()) {
3643 query->getCiaddr().isV4Zero()) {
3644 response->setFlags(BOOTP_BROADCAST);
3646 response->setRemoteAddr(query->getGiaddr());
3650 }
else if (!query->getCiaddr().isV4Zero()) {
3651 response->setRemoteAddr(query->getCiaddr());
3656 }
else if (response->getType() ==
DHCPNAK) {
3660 }
else if (!response->getYiaddr().isV4Zero()) {
3675 response->setRemoteAddr(response ->getYiaddr());
3683 response->setRemoteAddr(query->getRemoteAddr());
3688 response->setRemoteAddr(query->getRemoteAddr());
3700 IOAddress subnet_next_server = subnet->getSiaddr();
3701 if (!subnet_next_server.
isV4Zero()) {
3702 response->setSiaddr(subnet_next_server);
3705 const string& sname = subnet->getSname();
3706 if (!sname.empty()) {
3712 response->setSname(
reinterpret_cast<const uint8_t*
>(sname.c_str()),
3716 const string& filename = subnet->getFilename();
3717 if (!filename.empty()) {
3723 response->setFile(
reinterpret_cast<const uint8_t*
>(filename.c_str()),
3731 if (!classes.
empty()) {
3744 size_t found_cnt = 0;
3745 for (
auto const& name : classes) {
3747 if (found_cnt >= 3) {
3761 next_server = cl->getNextServer();
3763 response->setSiaddr(next_server);
3768 if (sname.empty()) {
3769 sname = cl->getSname();
3770 if (!sname.empty()) {
3776 response->setSname(
reinterpret_cast<const uint8_t*
>(sname.c_str()),
3782 if (filename.empty()) {
3783 filename = cl->getFilename();
3784 if (!filename.empty()) {
3790 response->setFile(
reinterpret_cast<const uint8_t*
>(filename.c_str()),
3813tuple<bool, uint32_t>
3814Dhcpv4Srv::parkingLimitExceeded(
string const& hook_label) {
3816 uint32_t parked_packet_limit(0);
3820 parked_packet_limit = ppl->intValue();
3823 if (parked_packet_limit) {
3827 if (parking_lot && parked_packet_limit <= parking_lot->size()) {
3828 return make_tuple(
true, parked_packet_limit);
3831 return make_tuple(
false, parked_packet_limit);
3869 .arg(discover->getLabel())
3870 .arg(discover->getName())
3871 .arg(discover->getClasses().toText());
3880 .arg(discover->getLabel());
3939 }
else if (request->inClass(
"BOOTP")) {
3941 response->addClass(
"BOOTP");
3955 .arg(request->getLabel())
3956 .arg(request->getName())
3957 .arg(request->getClasses().toText());
3966 .arg(request->getLabel());
4007 OptionPtr opt = release->getOption(DHO_DHCP_CLIENT_IDENTIFIER);
4019 .arg(release->getLabel())
4020 .arg(release->getCiaddr().toText());
4024 if (!lease->belongsToClient(release->getHWAddr(), client_id)) {
4026 .arg(release->getLabel())
4027 .arg(release->getCiaddr().toText());
4047 callout_handle->setArgument(
"query4", release);
4050 callout_handle->setArgument(
"lease4", lease);
4064 .arg(release->getLabel());
4072 bool success =
false;
4073 bool expired =
false;
4077 if (expiration_cfg->getFlushReclaimedTimerWaitTime() &&
4078 expiration_cfg->getHoldReclaimedTime() &&
4081 lease->valid_lft_ = 0;
4097 context->old_lease_ = lease;
4101 .arg(release->getLabel())
4102 .arg(lease->addr_.toText());
4106 .arg(release->getLabel())
4107 .arg(lease->addr_.toText());
4110 .arg(release->getLabel())
4111 .arg(lease->addr_.toText());
4120 static_cast<int64_t
>(-1));
4124 auto const& pool = subnet->getPool(
Lease::TYPE_V4, lease->addr_,
false);
4129 static_cast<int64_t
>(-1));
4136 .arg(release->getLabel())
4137 .arg(lease->addr_.toText());
4142 .arg(release->getLabel())
4143 .arg(release->getCiaddr())
4156 if (!opt_requested_address) {
4159 " in DHCPDECLINE sent from " << decline->getLabel());
4161 IOAddress addr(opt_requested_address->readAddress());
4179 .arg(addr.
toText()).arg(decline->getLabel());
4184 OptionPtr opt_clientid = decline->getOption(DHO_DHCP_CLIENT_IDENTIFIER);
4187 client_id.reset(
new ClientId(opt_clientid->getData()));
4196 !lease->belongsToClient(decline->getHWAddr(), client_id)) {
4199 string client_hw = decline->getHWAddr() ?
4200 decline->getHWAddr()->toText(
false) :
"(none)";
4201 string lease_hw = lease->hwaddr_ ?
4202 lease->hwaddr_->toText(
false) :
"(none)";
4205 string client_id_txt = client_id ? client_id->toText() :
"(none)";
4206 string lease_id_txt = lease->client_id_ ?
4207 lease->client_id_->toText() :
"(none)";
4211 .arg(addr.
toText()).arg(decline->getLabel())
4212 .arg(client_hw).arg(lease_hw).arg(client_id_txt).arg(lease_id_txt);
4242 callout_handle->setArgument(
"query4", decline);
4245 callout_handle->setArgument(
"lease4", lease);
4256 .arg(decline->getLabel()).arg(lease->addr_.toText());
4261 Lease4Ptr old_values = boost::make_shared<Lease4>(*lease);
4275 .arg(decline->getLabel())
4276 .arg(lease->addr_.toText())
4290 static_cast<int64_t
>(1));
4294 auto const& pool = subnet->getPool(
Lease::TYPE_V4, lease->addr_,
false);
4299 static_cast<int64_t
>(1));
4316 context->new_lease_ = lease;
4319 .arg(decline->getLabel()).arg(lease->valid_lft_);
4326 .arg(query->getLabel())
4327 .arg(lease->addr_.toText())
4328 .arg(lease->valid_lft_);
4336 .arg(query->getLabel())
4337 .arg(lease->addr_.toText());
4353 lease_exists =
false;
4357 .arg(query->getLabel())
4358 .arg(lease->addr_.toText());
4363 if (!lease_exists) {
4368 .arg(query->getLabel())
4369 .arg(lease->addr_.toText());
4386 static_cast<int64_t
>(1));
4388 if (!lease_exists) {
4391 static_cast<int64_t
>(1));
4396 auto const& pool = subnet->getPool(
Lease::TYPE_V4, lease->addr_,
false);
4401 static_cast<int64_t
>(1));
4402 if (!lease_exists) {
4406 static_cast<int64_t
>(1));
4413 if (!lease_exists) {
4427 callout_handle->setArgument(
"query4", query);
4430 callout_handle->setArgument(
"lease4", lease);
4468 .arg(inform->getLabel())
4469 .arg(inform->getName())
4470 .arg(inform->getClasses().toText());
4487 if (ack->getRemoteAddr() != inform->getGiaddr()) {
4489 .arg(inform->getLabel())
4490 .arg(ack->getRemoteAddr())
4491 .arg(ack->getIface());
4505 if (query->getCiaddr().isV4Zero() || !query->getGiaddr().isV4Zero()) {
4522 if (query->inClass(
"STASH_AGENT_OPTIONS")) {
4526 if (!lease || lease->expired()) {
4530 if (!user_context || (user_context->getType() !=
Element::map)) {
4538 if (!relay_agent_info) {
4543 relay_agent_info = relay_agent_info->get(
"sub-options");
4544 if (!relay_agent_info) {
4553 OptionPtr opt_clientid = query->getOption(DHO_DHCP_CLIENT_IDENTIFIER);
4555 client_id.reset(
new ClientId(opt_clientid->getData()));
4557 if (!lease->belongsToClient(query->getHWAddr(), client_id)) {
4561 string rai_hex = relay_agent_info->stringValue();
4562 if (rai_hex.empty()) {
4565 vector<uint8_t> rai_data;
4570 if (!rai || rai->getOptions().empty()) {
4577 query->addOption(rai);
4578 query->addClass(
"STASH_AGENT_OPTIONS");
4581 .arg(query->getLabel())
4582 .arg(query->getCiaddr())
4583 .arg(rai->toText());
4597 .arg(query->getLabel())
4598 .arg(query->getIface());
4606 .arg(query->getLabel())
4607 .arg(query->getIface());
4617 if (pkt->isRelayed()) {
4622 if (pkt->isDhcp4o6()) {
4631 if (pkt->getRemoteAddr().isV4Zero() &&
4632 pkt->getCiaddr().isV4Zero()) {
4643 bool result = (!pkt->getLocalAddr().isV4Bcast() ||
4658 type = query->getType();
4662 .arg(query->getLabel())
4663 .arg(query->getIface());
4687 .arg(query->getLabel());
4694 .arg(query->getLabel())
4699 .arg(query->getLabel())
4726 boost::dynamic_pointer_cast<OptionCustom>(option);
4729 if (!option_custom) {
4737 if (option_custom->getDataFieldsNum() != 1) {
4743 IOAddress server_id = option_custom->readAddress();
4744 if (!server_id.
isV4()) {
4753 if (rai_suboption && (server_id.
toBytes() == rai_suboption->toBinary())) {
4760 if (cfg->getIgnoreServerIdentifier()) {
4798 if (cfg_subnets->hasSubnetWithServerId(server_id)) {
4805 if (cfg_networks->hasNetworkWithServerId(server_id)) {
4811 for (
auto const& cclass : classes) {
4814 getClientClassDictionary()->findClass(cclass);
4819 if (ccdef->getCfgOption()->empty()) {
4824 OptionCustomPtr context_opt_server_id = boost::dynamic_pointer_cast<OptionCustom>
4826 if (context_opt_server_id && (context_opt_server_id->readAddress() == server_id)) {
4834 OptionCustomPtr opt_server_id = boost::dynamic_pointer_cast<OptionCustom>
4837 return (opt_server_id && (opt_server_id->readAddress() == server_id));
4842 switch (query->getType()) {
4877 <<
" received in message "
4878 << query->getName());
4885 " received in message "
4886 << query->getName());
4896 if (query->getHWAddr() && !query->getHWAddr()->hwaddr_.empty()) {
4902 OptionPtr client_id = query->getOption(DHO_DHCP_CLIENT_IDENTIFIER);
4905 if (!client_id || client_id->len() == client_id->getHeaderLen()) {
4907 " provided in message "
4908 << query->getName());
4929 addr = resp->getYiaddr();
4934 const ClientClasses& pool_to_add = pool->getAdditionalClasses();
4935 for (
auto const& cclass : pool_to_add) {
4942 const ClientClasses& to_add = subnet->getAdditionalClasses();
4943 for (
auto const& cclass : to_add) {
4949 subnet->getSharedNetwork(network);
4951 const ClientClasses& net_to_add = network->getAdditionalClasses();
4952 for (
auto const& cclass : net_to_add) {
4962 for (
auto const& cclass : classes) {
4977 query->addClass(cclass);
4985 .arg(query->getLabel())
4987 .arg(status ?
"true" :
"false");
4990 query->addClass(cclass);
4994 .arg(query->getLabel())
5004 for (
auto const& code : query->getDeferredOptions()) {
5008 for (
auto const& cclass : classes) {
5012 getClientClassDictionary()->findClass(cclass);
5018 if (!ccdef->getCfgOptionDef()) {
5048 .arg(query->getLabel())
5057 opt = def->optionFactory(
Option::V4, code, buf);
5058 }
catch (
const std::exception& e) {
5062 .arg(query->getLabel())
5067 while (query->delOption(code)) {
5071 query->addOption(opt);
5083 this, ph::_1, ph::_2));
5102 arg(result).arg((ncr ? ncr->toText() :
" NULL "));
5111 std::stringstream tmp;
5115 tmp <<
" (" << EXTENDED_VERSION <<
")" << endl;
5116 tmp <<
"premium: " << PREMIUM_EXTENDED_VERSION << endl;
5117 tmp <<
"linked with:" << endl;
5122 tmp << endl <<
"lease backends:";
5124 tmp << endl <<
"- " <<
version;
5129 tmp << endl <<
"host backends:";
5131 tmp << endl <<
"- " <<
version;
5136 tmp << endl <<
"forensic backends:";
5138 tmp << endl <<
"- " <<
version;
5151 string stat_name =
"pkt4-unknown-received";
5153 switch (query->getType()) {
5155 stat_name =
"pkt4-discover-received";
5159 stat_name =
"pkt4-offer-received";
5162 stat_name =
"pkt4-request-received";
5166 stat_name =
"pkt4-ack-received";
5170 stat_name =
"pkt4-nak-received";
5173 stat_name =
"pkt4-release-received";
5176 stat_name =
"pkt4-decline-received";
5179 stat_name =
"pkt4-inform-received";
5193 static_cast<int64_t
>(1));
5199 static_cast<int64_t
>(1));
5203 switch (response->getType()) {
5205 stat_name =
"pkt4-offer-sent";
5208 stat_name =
"pkt4-ack-sent";
5211 stat_name =
"pkt4-nak-sent";
5219 static_cast<int64_t
>(1));
5223 return (
Hooks.hook_index_buffer4_receive_);
5227 return (
Hooks.hook_index_pkt4_receive_);
5231 return (
Hooks.hook_index_subnet4_select_);
5235 return (
Hooks.hook_index_lease4_release_);
5239 return (
Hooks.hook_index_pkt4_send_);
5243 return (
Hooks.hook_index_buffer4_send_);
5247 return (
Hooks.hook_index_lease4_decline_);
5257 char const*
const rotate(getenv(
"KEA_DHCP4_FUZZING_ROTATE_PORT"));
5261 while (!locker.
lock()) {
5262 this_thread::sleep_for(1s);
5265 port_file.open(
"/tmp/port4.txt", ios::in);
5268 getline(port_file, line);
5280 port_file.open(
"/tmp/port4.txt", ios::out | ios::trunc);
5281 port_file << to_string(port) << endl;
5291 static std::list<std::list<std::string>>
const list({
5292 {
"config-control",
"config-databases",
"[]"},
5293 {
"hooks-libraries",
"[]",
"parameters",
"*"},
5295 {
"hosts-databases",
"[]"},
int version()
returns Kea hooks version.
Defines elements for storing the names of client classes.
A generic exception that is thrown if a parameter given to a method is considered invalid in that con...
This is a base class for exceptions thrown from the DNS library module.
virtual const char * what() const
Returns a C-style character string of the cause of the exception.
A generic exception that is thrown when an unexpected error condition occurs.
The IOAddress class represents an IP addresses (version agnostic)
static const IOAddress & IPV4_ZERO_ADDRESS()
Returns an address set to all zeros.
bool isV4Zero() const
Convenience function to check if it is an IPv4 zero address.
std::string toText() const
Convert the address to a string.
static const IOAddress & IPV4_BCAST_ADDRESS()
Returns a "255.255.255.255" broadcast address.
uint32_t toUint32() const
Converts IPv4 address to uint32_t.
bool isV4() const
Convenience function to check for an IPv4 address.
std::vector< uint8_t > toBytes() const
Return address as set of bytes.
bool isV4Bcast() const
Convenience function to check if it is an IPv4 broadcast address.
void clearIOServices()
Clear the list of IOService objects.
static IOServiceMgr & instance()
Access the IOServiceMgr singleton instance.
void pollIOServices()
Poll IOService objects.
The IOService class is a wrapper for the ASIO io_context class.
static std::string getVersion()
Get version string.
DHCPv4 and DHCPv6 allocation engine.
static uint32_t getValidLft(const ClientContext4 &ctx)
Returns the valid lifetime based on the v4 context.
boost::shared_ptr< ClientContext4 > ClientContext4Ptr
Pointer to the ClientContext4.
Implementation of the mechanisms to control the use of the Configuration Backends by the DHCPv4 serve...
@ EARLY_GLOBAL_RESERVATIONS_LOOKUP
@ USE_ROUTING
Server uses routing to determine the right interface to send response.
@ SOCKET_UDP
Datagram socket, i.e. IP/UDP socket.
D2ClientMgr & getD2ClientMgr()
Fetches the DHCP-DDNS manager.
static CfgMgr & instance()
returns a single instance of Configuration Manager
SrvConfigPtr getCurrentCfg()
Returns a pointer to the current configuration.
static SubnetSelector initSelector(const Pkt4Ptr &query)
Build selector from a client's message.
Container for storing client class names.
void insert(const ClientClass &class_name)
Insert an element.
bool empty() const
Check if classes is empty.
std::string toText(const std::string &separator=", ") const
Returns all class names as text.
Client race avoidance RAII handler.
bool tryLock(Pkt4Ptr query, ContinuationPtr cont=ContinuationPtr())
Tries to acquires a client.
Holds Client identifier or client IPv4 address.
ReplaceClientNameMode
Defines the client name replacement modes.
D2ClientMgr isolates Kea from the details of being a D2 client.
std::string generateFqdn(const asiolink::IOAddress &address, const DdnsParams &ddns_params, const bool trailing_dot=true) const
Builds a FQDN based on the configuration and given IP address.
bool ddnsEnabled()
Convenience method for checking if DHCP-DDNS is enabled.
void getUpdateDirections(const T &fqdn_resp, bool &forward, bool &reverse)
Get directional update flags based on server FQDN flags.
void stop()
Stop the sender.
void suspendUpdates()
Suspends sending requests.
void adjustDomainName(const T &fqdn, T &fqdn_resp, const DdnsParams &ddns_params)
Set server FQDN name based on configuration and a given FQDN.
void stopSender()
Disables sending NameChangeRequests to kea-dhcp-ddns.
void adjustFqdnFlags(const T &fqdn, T &fqdn_resp, const DdnsParams &ddns_params)
Set server FQDN flags based on configuration and a given FQDN.
std::string qualifyName(const std::string &partial_name, const DdnsParams &ddns_params, const bool trailing_dot) const
Adds a qualifying suffix to a given domain name.
void startSender(D2ClientErrorHandler error_handler, const isc::asiolink::IOServicePtr &io_service)
Enables sending NameChangeRequests to kea-dhcp-ddns.
Convenience container for conveying DDNS behavioral parameters It is intended to be created per Packe...
bool getUpdateOnRenew() const
Returns whether or not DNS should be updated when leases renew.
bool getEnableUpdates() const
Returns whether or not DHCP DDNS updating is enabled.
void close()
Close communication socket.
static Dhcp4to6Ipc & instance()
Returns pointer to the sole instance of Dhcp4to6Ipc.
AllocEngine::ClientContext4Ptr getContext() const
Returns the copy of the context for the Allocation engine.
void deleteResponse()
Removes the response message by resetting the pointer to null.
Pkt4Ptr getQuery() const
Returns the pointer to the query from the client.
static void setHostIdentifiers(AllocEngine::ClientContext4Ptr context)
Set host identifiers within a context.
static void classifyByVendor(const Pkt4Ptr &pkt)
Assign class using vendor-class-identifier option.
void initResponse()
Initializes the instance of the response message.
void setReservedMessageFields()
Sets reserved values of siaddr, sname and file in the server's response.
CfgOptionList & getCfgOptionList()
Returns the configured option list (non-const version)
Pkt4Ptr getResponse() const
Returns the pointer to the server's response.
static void setReservedClientClasses(AllocEngine::ClientContext4Ptr context)
Assigns classes retrieved from host reservation database.
void initResponse4o6()
Initializes the DHCPv6 part of the response message.
static void evaluateClasses(const Pkt4Ptr &pkt, bool depend_on_known)
Evaluate classes.
void setIPv6OnlyPreferred(bool ipv6_only_preferred)
Set the IPv6-Only Preferred flag.
Dhcpv4Exchange(const AllocEnginePtr &alloc_engine, const Pkt4Ptr &query, AllocEngine::ClientContext4Ptr &context, const ConstSubnet4Ptr &subnet, bool &drop)
Constructor.
static void classifyPacket(const Pkt4Ptr &pkt)
Assigns incoming packet to zero or more classes.
static void removeDependentEvaluatedClasses(const Pkt4Ptr &query)
Removed evaluated client classes.
bool getIPv6OnlyPreferred() const
Returns the IPv6-Only Preferred flag.
void conditionallySetReservedClientClasses()
Assigns classes retrieved from host reservation database if they haven't been yet set.
void initContext0(const Pkt4Ptr &query, AllocEngine::ClientContext4Ptr ctx)
Initialize client context (first part).
int run()
Main server processing loop.
void declineLease(const Lease4Ptr &lease, const Pkt4Ptr &decline, AllocEngine::ClientContext4Ptr &context)
Marks lease as declined.
void processPacketAndSendResponse(Pkt4Ptr query)
Process a single incoming DHCPv4 packet and sends the response.
void classifyPacket(const Pkt4Ptr &pkt)
Assigns incoming packet to zero or more classes.
void appendRequestedVendorOptions(Dhcpv4Exchange &ex)
Appends requested vendor options as requested by client.
void adjustIfaceData(Dhcpv4Exchange &ex)
Set IP/UDP and interface parameters for the DHCPv4 response.
static uint16_t checkRelayPort(const Dhcpv4Exchange &ex)
Check if the relay port RAI sub-option was set in the query.
virtual ~Dhcpv4Srv()
Destructor. Used during DHCPv4 service shutdown.
virtual Pkt4Ptr receivePacket(int timeout)
dummy wrapper around IfaceMgr::receive4
isc::dhcp::ConstSubnet4Ptr selectSubnet4o6(const Pkt4Ptr &query, bool &drop, bool sanity_only=false, bool allow_answer_park=true)
Selects a subnet for a given client's DHCP4o6 packet.
bool accept(const Pkt4Ptr &query)
Checks whether received message should be processed or discarded.
void setTeeTimes(const Lease4Ptr &lease, const ConstSubnet4Ptr &subnet, Pkt4Ptr resp)
Adds the T1 and T2 timers to the outbound response as appropriate.
static void appendServerID(Dhcpv4Exchange &ex)
Adds server identifier option to the server's response.
void postAllocateNameUpdate(const AllocEngine::ClientContext4Ptr &ctx, const Lease4Ptr &lease, const Pkt4Ptr &query, const Pkt4Ptr &resp, bool client_name_changed)
Update client name and DNS flags in the lease and response.
void runOne()
Main server processing step.
void startD2()
Starts DHCP_DDNS client IO if DDNS updates are enabled.
static int getHookIndexBuffer4Receive()
Returns the index for "buffer4_receive" hook point.
Pkt4Ptr processRequest(Pkt4Ptr &request, AllocEngine::ClientContext4Ptr &context)
Processes incoming REQUEST and returns REPLY response.
static void processStatsReceived(const Pkt4Ptr &query)
Class methods for DHCPv4-over-DHCPv6 handler.
static int getHookIndexPkt4Send()
Returns the index for "pkt4_send" hook point.
void processDecline(Pkt4Ptr &decline, AllocEngine::ClientContext4Ptr &context)
Process incoming DHCPDECLINE messages.
Dhcpv4Srv(uint16_t server_port=DHCP4_SERVER_PORT, uint16_t client_port=0, const bool use_bcast=true, const bool direct_response_desired=true)
Default constructor.
isc::dhcp::ConstSubnet4Ptr selectSubnet(const Pkt4Ptr &query, bool &drop, bool sanity_only=false, bool allow_answer_park=true)
Selects a subnet for a given client's packet.
static int getHookIndexSubnet4Select()
Returns the index for "subnet4_select" hook point.
static void processStatsSent(const Pkt4Ptr &response)
Updates statistics for transmitted packets.
void shutdown() override
Instructs the server to shut down.
static int getHookIndexLease4Release()
Returns the index for "lease4_release" hook point.
void adjustRemoteAddr(Dhcpv4Exchange &ex)
Sets remote addresses for outgoing packet.
static int getHookIndexPkt4Receive()
Returns the index for "pkt4_receive" hook point.
void assignLease(Dhcpv4Exchange &ex)
Assigns a lease and appends corresponding options.
void evaluateAdditionalClasses(Dhcpv4Exchange &ex)
Evaluates classes in the additional classes lists.
Pkt4Ptr processDhcp4Query(Pkt4Ptr query, bool allow_answer_park)
Process a single incoming DHCPv4 query.
asiolink::IOServicePtr & getIOService()
Returns pointer to the IO service used by the server.
void setFixedFields(Dhcpv4Exchange &ex)
Sets fixed fields of the outgoing packet.
void appendBasicOptions(Dhcpv4Exchange &ex)
Append basic options if they are not present.
void recoverStashedAgentOption(const Pkt4Ptr &query)
Recover stashed agent options from client address lease.
void processClientName(Dhcpv4Exchange &ex)
Processes Client FQDN and Hostname Options sent by a client.
boost::shared_ptr< AllocEngine > alloc_engine_
Allocation Engine.
void serverDecline(hooks::CalloutHandlePtr &callout_handle, Pkt4Ptr &query, Lease4Ptr lease, bool lease_exists)
Renders a lease declined after the server has detected, via ping-check or other means,...
Pkt4Ptr processInform(Pkt4Ptr &inform, AllocEngine::ClientContext4Ptr &context)
Processes incoming DHCPINFORM messages.
uint16_t client_port_
UDP port number to which server sends all responses.
void serverDeclineNoThrow(hooks::CalloutHandlePtr &callout_handle, Pkt4Ptr &query, Lease4Ptr lease, bool lease_exists)
Exception safe wrapper around serverDecline()
void processPacketPktSend(hooks::CalloutHandlePtr &callout_handle, Pkt4Ptr &query, Pkt4Ptr &rsp, ConstSubnet4Ptr &subnet)
Executes pkt4_send callout.
void processPacketAndSendResponseNoThrow(Pkt4Ptr query)
Process a single incoming DHCPv4 packet and sends the response.
std::list< std::list< std::string > > jsonPathsToRedact() const final override
Return a list of all paths that contain passwords or secrets for kea-dhcp4.
static std::string srvidToString(const OptionPtr &opt)
converts server-id to text Converts content of server-id option to a text representation,...
bool acceptServerId(const Pkt4Ptr &pkt) const
Verifies if the server id belongs to our server.
static const std::string VENDOR_CLASS_PREFIX
this is a prefix added to the content of vendor-class option
void createNameChangeRequests(const Lease4Ptr &lease, const Lease4Ptr &old_lease, const DdnsParams &ddns_params)
Creates NameChangeRequests which correspond to the lease which has been acquired.
void appendRequestedOptions(Dhcpv4Exchange &ex)
Appends options requested by client.
void setPacketStatisticsDefaults()
This function sets statistics related to DHCPv4 packets processing to their initial values.
void processLocalizedQuery4AndSendResponse(Pkt4Ptr query, AllocEngine::ClientContext4Ptr &ctx, bool allow_answer_park)
Process a localized incoming DHCPv4 query.
static std::string getVersion(bool extended)
returns Kea version on stdout and exit.
void buildCfgOptionList(Dhcpv4Exchange &ex)
Build the configured option list.
volatile bool shutdown_
Indicates if shutdown is in progress.
uint16_t server_port_
UDP port number on which server listens.
void sendResponseNoThrow(hooks::CalloutHandlePtr &callout_handle, Pkt4Ptr &query, Pkt4Ptr &rsp, ConstSubnet4Ptr &subnet)
Process an unparked DHCPv4 packet and sends the response.
bool earlyGHRLookup(const Pkt4Ptr &query, AllocEngine::ClientContext4Ptr ctx)
Initialize client context and perform early global reservations lookup.
NetworkStatePtr network_state_
Holds information about disabled DHCP service and/or disabled subnet/network scopes.
void processDhcp4QueryAndSendResponse(Pkt4Ptr query, bool allow_answer_park)
Process a single incoming DHCPv4 query.
bool getSendResponsesToSource() const
Returns value of the test_send_responses_to_source_ flag.
Pkt4Ptr processDiscover(Pkt4Ptr &discover, AllocEngine::ClientContext4Ptr &context)
Processes incoming DISCOVER and returns response.
virtual void d2ClientErrorHandler(const dhcp_ddns::NameChangeSender::Result result, dhcp_ddns::NameChangeRequestPtr &ncr)
Implements the error handler for DHCP_DDNS IO errors.
uint16_t getServerPort() const
Get UDP port on which server should listen.
virtual void sendPacket(const Pkt4Ptr &pkt)
dummy wrapper around IfaceMgr::send()
static int getHookIndexBuffer4Send()
Returns the index for "buffer4_send" hook point.
void stopD2()
Stops DHCP_DDNS client IO if DDNS updates are enabled.
static void sanityCheck(const Pkt4Ptr &query)
Verifies if specified packet meets RFC requirements.
bool acceptMessageType(const Pkt4Ptr &query) const
Check if received message type is valid for the server to process.
void discardPackets()
Discards parked packets Clears the packet parking lots of all packets.
static int getHookIndexLease4Decline()
Returns the index for "lease4_decline" hook point.
void processRelease(Pkt4Ptr &release, AllocEngine::ClientContext4Ptr &context)
Processes incoming DHCPRELEASE messages.
bool acceptDirectRequest(const Pkt4Ptr &query)
Check if a message sent by directly connected client should be accepted or discarded.
RequirementLevel
defines if certain option may, must or must not appear
Pkt4Ptr processPacket(Pkt4Ptr query, bool allow_answer_park=true)
Process a single incoming DHCPv4 packet.
void processPacketBufferSend(hooks::CalloutHandlePtr &callout_handle, Pkt4Ptr &rsp)
Executes buffer4_send callout and sends the response.
bool assignZero(ConstSubnet4Ptr &subnet, const ClientClasses &client_classes)
Assign the 0.0.0.0 address to an IPv6-Only client.
void deferredUnpack(Pkt4Ptr &query)
Perform deferred option unpacking.
Pkt4Ptr processLocalizedQuery4(AllocEngine::ClientContext4Ptr &ctx, bool allow_answer_park)
Process a localized incoming DHCPv4 query.
static std::list< std::string > getDBVersions()
Return extended version info for registered backends.
static void create()
Creates new instance of the HostMgr.
IdentifierType
Type of the host identifier.
@ IDENT_FLEX
Flexible host identifier.
std::string getIdentifierAsText() const
Returns host identifier in a textual form.
static IfaceMgr & instance()
IfaceMgr is a singleton class.
bool send(const Pkt6Ptr &pkt)
Sends an IPv6 packet.
void closeSockets()
Closes all open sockets.
void setMatchingPacketFilter(const bool direct_response_desired=false)
Set Packet Filter object to handle send/receive packets.
uint16_t getSocket(const isc::dhcp::Pkt6Ptr &pkt)
Return most suitable socket for transmitting specified IPv6 packet.
static TrackingLeaseMgr & instance()
Return current lease manager.
static std::list< std::string > getDBVersions()
Return extended version info for registered backends.
static void destroy()
Destroy lease manager.
virtual Lease4Ptr getLease4(const isc::asiolink::IOAddress &addr) const =0
Returns an IPv4 lease for specified IPv4 address.
virtual bool addLease(const Lease4Ptr &lease)=0
Adds an IPv4 lease.
virtual bool deleteLease(const Lease4Ptr &lease)=0
Deletes an IPv4 lease.
virtual void updateLease4(const Lease4Ptr &lease4)=0
Updates IPv4 lease.
static std::list< std::string > getDBVersions()
Return extended version info for registered backends.
static OptionDefinitionPtr getOptionDef(const std::string &space, const uint16_t code)
Return the first option definition matching a particular option code.
static const OptionDefinition & DHO_DHCP_SERVER_IDENTIFIER_DEF()
Get definition of DHO_DHCP_SERVER_IDENTIFIER option.
static const OptionDefinition & DHO_DHCP_AGENT_OPTIONS_DEF()
Get definition of DHO_DHCP_AGENT_OPTIONS option.
static OptionDefinitionPtr getRuntimeOptionDef(const std::string &space, const uint16_t code)
Returns runtime (non-standard) option definition by space and option code.
static OptionDefinitionPtr getLastResortOptionDef(const std::string &space, const uint16_t code)
Returns last resort option definition by space and option code.
Controls the DHCP service enabling status.
Attempt to update lease that was not there.
std::vector< isc::asiolink::IOAddress > AddressContainer
Defines a collection of IPv4 addresses.
Represents DHCPv4 Client FQDN Option (code 81).
static const uint8_t FLAG_N
Bit N.
bool getFlag(const uint8_t flag) const
Checks if the specified flag of the DHCPv4 Client FQDN Option is set.
static const uint8_t FLAG_S
Bit S.
void setDomainName(const std::string &domain_name, const DomainNameType domain_name_type)
Set new domain-name.
void setFlag(const uint8_t flag, const bool set)
Modifies the value of the specified DHCPv4 Client Fqdn Option flag.
static const uint8_t FLAG_E
Bit E.
virtual std::string toText(int indent=0) const
Returns string representation of the option.
Option with defined data fields represented as buffers that can be accessed using data field index.
static unsigned int getLabelCount(const std::string &text_name)
Return the number of labels in the Name.
Base class representing a DHCP option definition.
OptionPtr option_
Option instance.
bool allowedForClientClasses(const ClientClasses &cclasses) const
Validates an OptionDescriptor's client-classes against a list of classes.
Forward declaration to OptionIntArray.
Forward declaration to OptionInt.
Class which represents an option carrying a single string value.
This class represents vendor-specific information option.
static const size_t OPTION4_HDR_LEN
length of the usual DHCPv4 option header (there are exceptions)
Represents DHCPv4 packet.
static const uint16_t FLAG_BROADCAST_MASK
Mask for the value of flags field in the DHCPv4 message to check whether client requested broadcast r...
Represents DHCPv4-over-DHCPv6 packet.
Represents a DHCPv6 packet.
An exception that is thrown if a DHCPv6 protocol violation occurs while processing a message (e....
Resource race avoidance RAII handler for DHCPv4.
bool tryLock4(const asiolink::IOAddress &addr)
Tries to acquires a resource.
RAII object enabling copying options retrieved from the packet.
Exception thrown when a call to select is interrupted by a signal.
Exception thrown during option unpacking This exception is thrown when an error has occurred,...
Result
Defines the outcome of an asynchronous NCR send.
@ NEXT_STEP_PARK
park the packet
@ NEXT_STEP_CONTINUE
continue normally
@ NEXT_STEP_DROP
drop the packet
@ NEXT_STEP_SKIP
skip the next processing step
static int registerHook(const std::string &name)
Register Hook.
static bool calloutsPresent(int index)
Are callouts present?
static std::vector< std::string > getLibraryNames()
Return list of loaded libraries.
static bool unloadLibraries()
Unload libraries.
static void park(const std::string &hook_name, T parked_object, std::function< void()> unpark_callback)
Park an object (packet).
static void callCallouts(int index, CalloutHandle &handle)
Calls the callouts for a given hook.
static void prepareUnloadLibraries()
Prepare the unloading of libraries.
static bool drop(const std::string &hook_name, T parked_object)
Removes parked object without calling a callback.
static void clearParkingLots()
Clears any parking packets.
Wrapper class around callout handle which automatically resets handle's state.
static ServerHooks & getServerHooks()
Return ServerHooks object.
static std::string getVersion()
Version.
File-based Interprocess Sync Class.
Interprocess Sync Locker Class.
bool unlock()
Release the lock.
bool lock()
Acquire the lock (blocks if something else has acquired a lock on the same task name)
int getExitValue()
Fetches the exit value.
Statistics Manager class.
static StatsMgr & instance()
Statistics Manager accessor method.
static std::string generateName(const std::string &context, Type index, const std::string &stat_name)
Generates statistic name in a given context.
RAII class creating a critical section.
static MultiThreadingMgr & instance()
Returns a single instance of Multi Threading Manager.
ThreadPool< std::function< void()> > & getThreadPool()
Get the dhcp thread pool.
void apply(bool enabled, uint32_t thread_count, uint32_t queue_size)
Apply the multi-threading related settings.
Defines classes for storing client class definitions.
Defines the D2ClientConfig class.
Defines the D2ClientMgr class.
Contains declarations for loggers used by the DHCPv4 server component.
Defines the Dhcp4o6Ipc class.
#define VENDOR_ID_CABLE_LABS
#define isc_throw(type, stream)
A shortcut macro to insert known values into exception arguments.
boost::shared_ptr< OptionUint8Array > OptionUint8ArrayPtr
OptionInt< uint32_t > OptionUint32
boost::shared_ptr< OptionUint32 > OptionUint32Ptr
void setValue(const std::string &name, const int64_t value)
Records absolute integer observation.
void addValue(const std::string &name, const int64_t value)
Records incremental integer observation.
When a message is logged with DEBUG severity, the debug level associated with the message is also spe...
#define LOG_ERROR(LOGGER, MESSAGE)
Macro to conveniently test error output and log it.
#define LOG_INFO(LOGGER, MESSAGE)
Macro to conveniently test info output and log it.
#define LOG_WARN(LOGGER, MESSAGE)
Macro to conveniently test warn output and log it.
#define LOG_DEBUG(LOGGER, LEVEL, MESSAGE)
Macro to conveniently test debug output and log it.
IOAddress getNetmask4(uint8_t len)
Generates an IPv4 netmask of specified length.
boost::shared_ptr< const Element > ConstElementPtr
boost::shared_ptr< NameChangeRequest > NameChangeRequestPtr
Defines a pointer to a NameChangeRequest.
const isc::log::MessageID DHCP4_BUFFER_RECEIVE_FAIL
boost::shared_ptr< OptionVendor > OptionVendorPtr
Pointer to a vendor option.
isc::log::Logger ddns4_logger(DHCP4_DDNS_LOGGER_NAME)
Logger for Hostname or FQDN processing.
const isc::log::MessageID DHCP4_PACKET_DROP_0004
const isc::log::MessageID DHCP4_SRV_DHCP4O6_ERROR
const isc::log::MessageID DHCP4_RELEASE_EXCEPTION
const isc::log::MessageID DHCP4_SUBNET_DATA
const isc::log::MessageID DHCP4_INIT_REBOOT
const isc::log::MessageID DHCP4_HOOK_PACKET_SEND_SKIP
const isc::log::MessageID DHCP4_FLEX_ID
const isc::log::MessageID DHCP4_PACKET_DROP_0003
const isc::log::MessageID DHCP4_HOOK_SUBNET4_SELECT_PARKING_LOT_FULL
const isc::log::MessageID DHCP4_DEFERRED_OPTION_UNPACK_FAIL
const isc::log::MessageID DHCP4_PACKET_DROP_0001
const isc::log::MessageID DHCP4_QUERY_DATA
const isc::log::MessageID DHCP4_NO_LEASE_INIT_REBOOT
const isc::log::MessageID DHCP4_INFORM_DIRECT_REPLY
const isc::log::MessageID DHCP4_SERVER_INITIATED_DECLINE_ADD_FAILED
boost::shared_ptr< Lease4Collection > Lease4CollectionPtr
A shared pointer to the collection of IPv4 leases.
const isc::log::MessageID DHCP4_HOOK_LEASE4_OFFER_ARGUMENT_MISSING
void queueNCR(const NameChangeType &chg_type, const Lease4Ptr &lease)
Creates name change request from the DHCPv4 lease.
const isc::log::MessageID DHCP4_CLIENT_FQDN_PROCESS
const isc::log::MessageID DHCP4_DEFERRED_OPTION_MISSING
const isc::log::MessageID DHCP4_HOOK_SUBNET4_SELECT_DROP
@ DHO_DOMAIN_NAME_SERVERS
@ DHO_VENDOR_CLASS_IDENTIFIER
@ DHO_DHCP_REBINDING_TIME
@ DHO_DHCP_SERVER_IDENTIFIER
@ DHO_DHCP_REQUESTED_ADDRESS
@ DHO_DHCP_PARAMETER_REQUEST_LIST
const isc::log::MessageID DHCP4_PACKET_PROCESS_EXCEPTION_MAIN
const isc::log::MessageID DHCP4_PACKET_DROP_0008
const isc::log::MessageID DHCP4_RELEASE_EXPIRED
const isc::log::MessageID DHCP4_HOOK_LEASES4_COMMITTED_DROP
const isc::log::MessageID DHCP4_HOOK_SUBNET4_SELECT_4O6_PARKING_LOT_FULL
const isc::log::MessageID DHCP4_DHCP4O6_SUBNET_SELECTION_FAILED
const isc::log::MessageID DHCP4_RELEASE_FAIL_WRONG_CLIENT
const isc::log::MessageID DHCP4_HOOK_LEASES4_COMMITTED_PARKING_LOT_FULL
const isc::log::MessageID DHCP4_HOOK_BUFFER_RCVD_DROP
boost::shared_ptr< const Subnet4 > ConstSubnet4Ptr
A const pointer to a Subnet4 object.
boost::shared_ptr< OptionCustom > OptionCustomPtr
A pointer to the OptionCustom object.
const isc::log::MessageID DHCP4_HOOK_PACKET_RCVD_SKIP
const int DBG_DHCP4_BASIC_DATA
Debug level used to log the traces with some basic data.
const isc::log::MessageID DHCP4_LEASE_ALLOC
const int DBG_DHCP4_DETAIL
Debug level used to trace detailed errors.
boost::shared_ptr< Pkt4 > Pkt4Ptr
A pointer to Pkt4 object.
isc::log::Logger lease4_logger(DHCP4_LEASE_LOGGER_NAME)
Logger for lease allocation logic.
const isc::log::MessageID DHCP4_NCR_CREATION_FAILED
isc::log::Logger options4_logger(DHCP4_OPTIONS_LOGGER_NAME)
Logger for options parser.
const isc::log::MessageID DHCP4_HOOK_SUBNET4_SELECT_SKIP
const int DBG_DHCP4_DETAIL_DATA
This level is used to log the contents of packets received and sent.
const isc::log::MessageID DHCP4_PACKET_PACK
boost::shared_ptr< AllocEngine > AllocEnginePtr
A pointer to the AllocEngine object.
ContinuationPtr makeContinuation(Continuation &&cont)
Continuation factory.
const isc::log::MessageID DHCP4_DECLINE_FAIL
const isc::log::MessageID DHCP4_RECOVERED_STASHED_RELAY_AGENT_INFO
const isc::log::MessageID DHCP4_LEASE_REUSE
const isc::log::MessageID DHCP4_HOOK_SUBNET4_SELECT_PARK
boost::shared_ptr< const CfgHostOperations > ConstCfgHostOperationsPtr
Pointer to the const object.
boost::shared_ptr< CfgIface > CfgIfacePtr
A pointer to the CfgIface .
const isc::log::MessageID DHCP4_PACKET_PACK_FAIL
boost::shared_ptr< ClientClassDef > ClientClassDefPtr
a pointer to an ClientClassDef
const isc::log::MessageID DHCP4_DDNS_REQUEST_SEND_FAILED
const isc::log::MessageID DHCP4_GENERATE_FQDN
const isc::log::MessageID DHCP4_CLASS_ASSIGNED
const isc::log::MessageID DHCP4_PACKET_PROCESS_STD_EXCEPTION
boost::shared_ptr< SrvConfig > SrvConfigPtr
Non-const pointer to the SrvConfig.
const isc::log::MessageID DHCP4_RESPONSE_HOSTNAME_DATA
const isc::log::MessageID DHCP4_BUFFER_WAIT_SIGNAL
const isc::log::MessageID DHCP4_HOOK_LEASE4_RELEASE_SKIP
const isc::log::MessageID DHCP4_POST_ALLOCATION_NAME_UPDATE_FAIL
const isc::log::MessageID DHCP4_PACKET_NAK_0001
const isc::log::MessageID DHCP4_HOOK_DECLINE_SKIP
const isc::log::MessageID DHCP4_HOOK_LEASE4_OFFER_PARK
const isc::log::MessageID DHCP4_DECLINE_LEASE_MISMATCH
const isc::log::MessageID DHCP4_SRV_UNLOAD_LIBRARIES_ERROR
const isc::log::MessageID DHCP4_ADDITIONAL_CLASS_EVAL_ERROR
const isc::log::MessageID DHCP4_RESPONSE_HOSTNAME_GENERATE
boost::shared_ptr< HWAddr > HWAddrPtr
Shared pointer to a hardware address structure.
const isc::log::MessageID DHCP4_PACKET_DROP_0013
const isc::log::MessageID DHCP4_PACKET_QUEUE_FULL
const isc::log::MessageID DHCP4_LEASE_OFFER
const isc::log::MessageID DHCP4_PACKET_DROP_0009
const isc::log::MessageID DHCP4_PACKET_RECEIVED
boost::shared_ptr< Pkt4o6 > Pkt4o6Ptr
A pointer to Pkt4o6 object.
const isc::log::MessageID DHCP4_RELEASE_DELETED
const isc::log::MessageID DHCP4_BUFFER_UNPACK
const isc::log::MessageID DHCP4_CLIENT_HOSTNAME_DATA
OptionContainer::nth_index< 5 >::type OptionContainerCancelIndex
Type of the index #5 - option cancellation flag.
const isc::log::MessageID DHCP4_CLASSES_ASSIGNED_AFTER_SUBNET_SELECTION
const isc::log::MessageID DHCP4_PACKET_SEND_FAIL
std::pair< OptionContainerPersistIndex::const_iterator, OptionContainerPersistIndex::const_iterator > OptionContainerPersistRange
Pair of iterators to represent the range of options having the same persistency flag.
boost::shared_ptr< OptionDefinition > OptionDefinitionPtr
Pointer to option definition object.
const isc::log::MessageID DHCP4_DHCP4O6_SUBNET_DATA
boost::shared_ptr< Option4ClientFqdn > Option4ClientFqdnPtr
A pointer to the Option4ClientFqdn object.
const isc::log::MessageID DHCP4_CLIENTID_IGNORED_FOR_LEASES
const isc::log::MessageID DHCP4_CLIENT_NAME_PROC_FAIL
const isc::log::MessageID DHCP4_CLIENT_HOSTNAME_PROCESS
const isc::log::MessageID DHCP4_HOOK_DDNS_UPDATE
const isc::log::MessageID DHCP4_SRV_CONSTRUCT_ERROR
const isc::log::MessageID DHCP4_SERVER_INITIATED_DECLINE
boost::shared_ptr< Expression > ExpressionPtr
const isc::log::MessageID DHCP4_RELEASE_FAIL
const isc::log::MessageID DHCP4_RELEASE_FAIL_NO_LEASE
const isc::log::MessageID DHCP4_CLIENT_HOSTNAME_MALFORMED
boost::shared_ptr< Pool > PoolPtr
a pointer to either IPv4 or IPv6 Pool
boost::shared_ptr< OptionString > OptionStringPtr
Pointer to the OptionString object.
isc::log::Logger bad_packet4_logger(DHCP4_BAD_PACKET_LOGGER_NAME)
Logger for rejected packets.
isc::hooks::CalloutHandlePtr getCalloutHandle(const T &pktptr)
CalloutHandle Store.
const isc::log::MessageID DHCP4_V6_ONLY_PREFERRED_MISSING_IN_ACK
const isc::log::MessageID DHCP4_PACKET_DROP_0006
const int DBG_DHCP4_BASIC
Debug level used to trace basic operations within the code.
boost::shared_ptr< ClientClassDictionary > ClientClassDictionaryPtr
Defines a pointer to a ClientClassDictionary.
const isc::log::MessageID DHCP4_SRV_D2STOP_ERROR
const isc::log::MessageID DHCP4_SERVER_INITIATED_DECLINE_UPDATE_FAILED
const isc::log::MessageID DHCP4_RESPONSE_FQDN_DATA
boost::shared_ptr< ClientId > ClientIdPtr
Shared pointer to a Client ID.
boost::shared_ptr< Continuation > ContinuationPtr
Define the type of shared pointers to continuations.
const isc::log::MessageID DHCP4_DECLINE_LEASE_NOT_FOUND
boost::shared_ptr< OptionContainer > OptionContainerPtr
Pointer to the OptionContainer object.
boost::shared_ptr< ClientClassDefList > ClientClassDefListPtr
Defines a pointer to a ClientClassDefList.
const isc::log::MessageID DHCP4_PACKET_DROP_0005
const isc::log::MessageID DHCP4_SUBNET_DYNAMICALLY_CHANGED
const isc::log::MessageID DHCP4_SHUTDOWN_REQUEST
@ DHCP_NOTYPE
Message Type option missing.
const isc::log::MessageID DHCP4_PACKET_NAK_0003
const isc::log::MessageID DHCP4_TESTING_MODE_SEND_TO_SOURCE_ENABLED
boost::shared_ptr< const CfgSubnets4 > ConstCfgSubnets4Ptr
Const pointer.
const isc::log::MessageID DHCP4_BUFFER_RECEIVED
bool evaluateBool(const Expression &expr, Pkt &pkt)
Evaluate a RPN expression for a v4 or v6 packet and return a true or false decision.
const isc::log::MessageID DHCP4_SUBNET_SELECTION_FAILED
boost::shared_ptr< const Host > ConstHostPtr
Const pointer to the Host object.
const isc::log::MessageID DHCP4_RESPONSE_DATA
const isc::log::MessageID DHCP4_ADDITIONAL_CLASS_NO_TEST
isc::log::Logger packet4_logger(DHCP4_PACKET_LOGGER_NAME)
Logger for processed packets.
OptionContainer::nth_index< 2 >::type OptionContainerPersistIndex
Type of the index #2 - option persistency flag.
const isc::log::MessageID DHCP4_DECLINE_LEASE
const isc::log::MessageID DHCP4_PACKET_SEND
boost::shared_ptr< OptionVendorClass > OptionVendorClassPtr
Defines a pointer to the OptionVendorClass.
const isc::log::MessageID DHCP4_RELEASE
const isc::log::MessageID DHCP4_HOOK_LEASE4_OFFER_DROP
const isc::log::MessageID DHCP4_HOOK_BUFFER_RCVD_SKIP
const isc::log::MessageID DHCP4_UNKNOWN_ADDRESS_REQUESTED
boost::shared_ptr< Pkt6 > Pkt6Ptr
A pointer to Pkt6 packet.
const isc::log::MessageID DHCP4_PACKET_PROCESS_STD_EXCEPTION_MAIN
const isc::log::MessageID DHCP4_DHCP4O6_HOOK_SUBNET4_SELECT_DROP
std::vector< uint8_t > OptionBuffer
buffer types used in DHCP code.
const isc::log::MessageID DHCP4_OPEN_SOCKET
const isc::log::MessageID DHCP4_PACKET_DROP_0007
boost::shared_ptr< CfgSharedNetworks4 > CfgSharedNetworks4Ptr
Pointer to the configuration of IPv4 shared networks.
const isc::log::MessageID DHCP4_HOOK_PACKET_SEND_DROP
const isc::log::MessageID DHCP4_RESERVED_HOSTNAME_ASSIGNED
isc::log::Logger dhcp4_logger(DHCP4_APP_LOGGER_NAME)
Base logger for DHCPv4 server.
const isc::log::MessageID DHCP4_CLASSES_ASSIGNED
@ RAI_OPTION_SERVER_ID_OVERRIDE
@ RAI_OPTION_AGENT_CIRCUIT_ID
const isc::log::MessageID DHCP4_QUERY_LABEL
bool isClientClassBuiltIn(const ClientClass &client_class)
Check if a client class name is builtin.
const isc::log::MessageID DHCP4_PACKET_NAK_0002
const int DBG_DHCP4_HOOKS
Debug level used to trace hook related operations.
boost::shared_ptr< SharedNetwork4 > SharedNetwork4Ptr
Pointer to SharedNetwork4 object.
std::vector< Lease4Ptr > Lease4Collection
A collection of IPv4 leases.
const isc::log::MessageID DHCP4_HOOK_BUFFER_SEND_SKIP
const isc::log::MessageID DHCP4_PACKET_PROCESS_EXCEPTION
const isc::log::MessageID DHCP4_V6_ONLY_PREFERRED_MISSING_IN_OFFER
std::pair< OptionContainerCancelIndex::const_iterator, OptionContainerCancelIndex::const_iterator > OptionContainerCancelRange
Pair of iterators to represent the range of options having the same cancellation flag.
const isc::log::MessageID DHCP4_PACKET_OPTIONS_SKIPPED
const isc::log::MessageID DHCP4_EMPTY_HOSTNAME
const isc::log::MessageID DHCP4_REQUEST
const isc::log::MessageID DHCP4_SUBNET_SELECTED
const isc::log::MessageID DHCP4_PACKET_DROP_0010
boost::shared_ptr< Lease4 > Lease4Ptr
Pointer to a Lease4 structure.
const isc::log::MessageID DHCP4_SERVER_INITIATED_DECLINE_RESOURCE_BUSY
const isc::log::MessageID DHCP4_CLASS_UNCONFIGURED
const isc::log::MessageID DHCP4_DHCP4O6_SUBNET_SELECTED
boost::shared_ptr< Option > OptionPtr
const isc::log::MessageID DHCP4_HOOK_LEASE4_OFFER_PARKING_LOT_FULL
const int DBG_DHCP4_START
Debug level used to log information during server startup.
const isc::log::MessageID DHCP4_HOOK_LEASES4_COMMITTED_PARK
const isc::log::MessageID DHCP4_ADDITIONAL_CLASS_UNDEFINED
const isc::log::MessageID DHCP4_ADDITIONAL_CLASS_EVAL_RESULT
const isc::log::MessageID DHCP4_DHCP4O6_HOOK_SUBNET4_SELECT_SKIP
const isc::log::MessageID DHCP4_PACKET_DROP_0014
std::list< ConstCfgOptionPtr > CfgOptionList
Const pointer list.
const isc::log::MessageID DHCP4_DISCOVER
boost::shared_ptr< const CfgOption > ConstCfgOptionPtr
Const pointer.
const isc::log::MessageID DHCP4_PACKET_NAK_0004
const isc::log::MessageID DHCP4_CLIENT_FQDN_DATA
const isc::log::MessageID DHCP4_PACKET_DROP_0002
isc::log::Logger hooks_logger("hooks")
Hooks Logger.
boost::shared_ptr< CalloutHandle > CalloutHandlePtr
A shared pointer to a CalloutHandle object.
boost::shared_ptr< ParkingLot > ParkingLotPtr
Type of the pointer to the parking lot.
const int DBGLVL_TRACE_BASIC
Trace basic operations.
const int DBGLVL_PKT_HANDLING
This debug level is reserved for logging the details of packet handling, such as dropping the packet ...
std::unique_ptr< StringSanitizer > StringSanitizerPtr
Type representing the pointer to the StringSanitizer.
void decodeFormattedHexString(const string &hex_string, vector< uint8_t > &binary)
Converts a formatted string of hexadecimal digits into a vector.
string trim(const string &input)
Trim leading and trailing spaces.
Defines the logger used by the top-level component of kea-lfc.
This file defines abstract classes for exchanging NameChangeRequests.
This file provides the classes needed to embody, compose, and decompose DNS update requests that are ...
Standard implementation of read-write mutexes with writer preference using C++11 mutex and condition ...
#define DHCP4_OPTION_SPACE
global std option spaces
Context information for the DHCPv4 lease allocation.
static const uint32_t INFINITY_LFT
Infinity (means static, i.e. never expire)
static std::string lifetimeToText(uint32_t lifetime)
Print lifetime.
static const uint32_t STATE_DEFAULT
A lease in the default state.
static const uint32_t STATE_RELEASED
Released lease held in the database for lease affinity.
Subnet selector used to specify parameters used to select a subnet.
asiolink::IOAddress local_address_
Address on which the message was received.
bool dhcp4o6_
Specifies if the packet is DHCP4o6.
asiolink::IOAddress option_select_
RAI link select or subnet select option.
std::string iface_name_
Name of the interface on which the message was received.
asiolink::IOAddress ciaddr_
ciaddr from the client's message.
ClientClasses client_classes_
Classes that the client belongs to.
asiolink::IOAddress remote_address_
Source address of the message.
OptionPtr interface_id_
Interface id option.
asiolink::IOAddress first_relay_linkaddr_
First relay link address.
asiolink::IOAddress giaddr_
giaddr from the client's message.
bool add(const WorkItemPtr &item)
add a work item to the thread pool