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-rw-r--r--netwerk/dns/nsDNSService2.cpp1790
1 files changed, 1790 insertions, 0 deletions
diff --git a/netwerk/dns/nsDNSService2.cpp b/netwerk/dns/nsDNSService2.cpp
new file mode 100644
index 0000000000..d36cf7e9a7
--- /dev/null
+++ b/netwerk/dns/nsDNSService2.cpp
@@ -0,0 +1,1790 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsDNSService2.h"
+#include "nsIDNSRecord.h"
+#include "nsIDNSListener.h"
+#include "nsIDNSByTypeRecord.h"
+#include "nsICancelable.h"
+#include "nsIPrefBranch.h"
+#include "nsIOService.h"
+#include "nsIXPConnect.h"
+#include "nsProxyRelease.h"
+#include "nsReadableUtils.h"
+#include "nsString.h"
+#include "nsCRT.h"
+#include "nsNetCID.h"
+#include "nsError.h"
+#include "nsDNSPrefetch.h"
+#include "nsThreadUtils.h"
+#include "nsIProtocolProxyService.h"
+#include "nsIObliviousHttp.h"
+#include "prsystem.h"
+#include "prnetdb.h"
+#include "prmon.h"
+#include "prio.h"
+#include "nsCharSeparatedTokenizer.h"
+#include "nsNetAddr.h"
+#include "nsProxyRelease.h"
+#include "nsQueryObject.h"
+#include "nsIObserverService.h"
+#include "nsINetworkLinkService.h"
+#include "DNSAdditionalInfo.h"
+#include "TRRService.h"
+
+#include "mozilla/Attributes.h"
+#include "mozilla/ClearOnShutdown.h"
+#include "mozilla/net/NeckoCommon.h"
+#include "mozilla/net/ChildDNSService.h"
+#include "mozilla/net/DNSListenerProxy.h"
+#include "mozilla/Services.h"
+#include "mozilla/StaticPrefs_network.h"
+#include "mozilla/StaticPtr.h"
+#include "mozilla/SyncRunnable.h"
+#include "mozilla/TextUtils.h"
+#include "mozilla/Utf8.h"
+
+using namespace mozilla;
+using namespace mozilla::net;
+
+static const char kPrefDnsCacheEntries[] = "network.dnsCacheEntries";
+static const char kPrefDnsCacheExpiration[] = "network.dnsCacheExpiration";
+static const char kPrefDnsCacheGrace[] =
+ "network.dnsCacheExpirationGracePeriod";
+static const char kPrefIPv4OnlyDomains[] = "network.dns.ipv4OnlyDomains";
+static const char kPrefDisableIPv6[] = "network.dns.disableIPv6";
+static const char kPrefBlockDotOnion[] = "network.dns.blockDotOnion";
+static const char kPrefDnsLocalDomains[] = "network.dns.localDomains";
+static const char kPrefDnsForceResolve[] = "network.dns.forceResolve";
+static const char kPrefDnsOfflineLocalhost[] = "network.dns.offline-localhost";
+static const char kPrefDnsNotifyResolution[] = "network.dns.notifyResolution";
+
+//-----------------------------------------------------------------------------
+
+class nsDNSRecord : public nsIDNSAddrRecord {
+ public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+ NS_DECL_NSIDNSRECORD
+ NS_DECL_NSIDNSADDRRECORD
+
+ explicit nsDNSRecord(nsHostRecord* hostRecord) {
+ mHostRecord = do_QueryObject(hostRecord);
+ }
+
+ private:
+ virtual ~nsDNSRecord() = default;
+
+ RefPtr<AddrHostRecord> mHostRecord;
+ // Since mIter is holding a weak reference to the NetAddr array we must
+ // make sure it is not released. So we also keep a RefPtr to the AddrInfo
+ // which is immutable.
+ RefPtr<AddrInfo> mAddrInfo;
+ nsTArray<NetAddr>::const_iterator mIter;
+ const NetAddr* iter() {
+ if (!mIter.GetArray()) {
+ return nullptr;
+ }
+ if (mIter.GetArray()->end() == mIter) {
+ return nullptr;
+ }
+ return &*mIter;
+ }
+
+ int mIterGenCnt = -1; // the generation count of
+ // mHostRecord->addr_info when we
+ // start iterating
+ bool mDone = false;
+};
+
+NS_IMPL_ISUPPORTS(nsDNSRecord, nsIDNSRecord, nsIDNSAddrRecord)
+
+NS_IMETHODIMP
+nsDNSRecord::GetCanonicalName(nsACString& result) {
+ // this method should only be called if we have a CNAME
+ NS_ENSURE_TRUE(mHostRecord->flags & nsHostResolver::RES_CANON_NAME,
+ NS_ERROR_NOT_AVAILABLE);
+
+ MutexAutoLock lock(mHostRecord->addr_info_lock);
+
+ // if the record is for an IP address literal, then the canonical
+ // host name is the IP address literal.
+ if (!mHostRecord->addr_info) {
+ result = mHostRecord->host;
+ return NS_OK;
+ }
+
+ if (mHostRecord->addr_info->CanonicalHostname().IsEmpty()) {
+ result = mHostRecord->addr_info->Hostname();
+ } else {
+ result = mHostRecord->addr_info->CanonicalHostname();
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::IsTRR(bool* retval) {
+ MutexAutoLock lock(mHostRecord->addr_info_lock);
+ if (mHostRecord->addr_info) {
+ *retval = mHostRecord->addr_info->IsTRR();
+ } else {
+ *retval = false;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::ResolvedInSocketProcess(bool* retval) {
+ *retval = false;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::GetTrrFetchDuration(double* aTime) {
+ MutexAutoLock lock(mHostRecord->addr_info_lock);
+ if (mHostRecord->addr_info && mHostRecord->addr_info->IsTRR()) {
+ *aTime = mHostRecord->addr_info->GetTrrFetchDuration();
+ } else {
+ *aTime = 0;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::GetTrrFetchDurationNetworkOnly(double* aTime) {
+ MutexAutoLock lock(mHostRecord->addr_info_lock);
+ if (mHostRecord->addr_info && mHostRecord->addr_info->IsTRR()) {
+ *aTime = mHostRecord->addr_info->GetTrrFetchDurationNetworkOnly();
+ } else {
+ *aTime = 0;
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::GetNextAddr(uint16_t port, NetAddr* addr) {
+ if (mDone) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ mHostRecord->addr_info_lock.Lock();
+ if (mHostRecord->addr_info) {
+ if (mIterGenCnt != mHostRecord->addr_info_gencnt) {
+ // mHostRecord->addr_info has changed, restart the iteration.
+ mIter = nsTArray<NetAddr>::const_iterator();
+ mIterGenCnt = mHostRecord->addr_info_gencnt;
+ // Make sure to hold a RefPtr to the AddrInfo so we can iterate through
+ // the NetAddr array.
+ mAddrInfo = mHostRecord->addr_info;
+ }
+
+ bool startedFresh = !iter();
+
+ do {
+ if (!iter()) {
+ mIter = mAddrInfo->Addresses().begin();
+ } else {
+ mIter++;
+ }
+ } while (iter() && mHostRecord->Blocklisted(iter()));
+
+ if (!iter() && startedFresh) {
+ // If everything was blocklisted we want to reset the blocklist (and
+ // likely relearn it) and return the first address. That is better
+ // than nothing.
+ mHostRecord->ResetBlocklist();
+ mIter = mAddrInfo->Addresses().begin();
+ }
+
+ if (iter()) {
+ *addr = *mIter;
+ }
+
+ mHostRecord->addr_info_lock.Unlock();
+
+ if (!iter()) {
+ mDone = true;
+ mIter = nsTArray<NetAddr>::const_iterator();
+ mAddrInfo = nullptr;
+ mIterGenCnt = -1;
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+ } else {
+ mHostRecord->addr_info_lock.Unlock();
+
+ if (!mHostRecord->addr) {
+ // Both mHostRecord->addr_info and mHostRecord->addr are null.
+ // This can happen if mHostRecord->addr_info expired and the
+ // attempt to reresolve it failed.
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+ memcpy(addr, mHostRecord->addr.get(), sizeof(NetAddr));
+ mDone = true;
+ }
+
+ // set given port
+ port = htons(port);
+ if (addr->raw.family == AF_INET) {
+ addr->inet.port = port;
+ } else if (addr->raw.family == AF_INET6) {
+ addr->inet6.port = port;
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::GetAddresses(nsTArray<NetAddr>& aAddressArray) {
+ if (mDone) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ mHostRecord->addr_info_lock.Lock();
+ if (mHostRecord->addr_info) {
+ for (const auto& address : mHostRecord->addr_info->Addresses()) {
+ if (mHostRecord->Blocklisted(&address)) {
+ continue;
+ }
+ NetAddr* addr = aAddressArray.AppendElement(address);
+ if (addr->raw.family == AF_INET) {
+ addr->inet.port = 0;
+ } else if (addr->raw.family == AF_INET6) {
+ addr->inet6.port = 0;
+ }
+ }
+ mHostRecord->addr_info_lock.Unlock();
+ } else {
+ mHostRecord->addr_info_lock.Unlock();
+
+ if (!mHostRecord->addr) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+ NetAddr* addr = aAddressArray.AppendElement(NetAddr());
+ memcpy(addr, mHostRecord->addr.get(), sizeof(NetAddr));
+ if (addr->raw.family == AF_INET) {
+ addr->inet.port = 0;
+ } else if (addr->raw.family == AF_INET6) {
+ addr->inet6.port = 0;
+ }
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::GetScriptableNextAddr(uint16_t port, nsINetAddr** result) {
+ NetAddr addr;
+ nsresult rv = GetNextAddr(port, &addr);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ RefPtr<nsNetAddr> netaddr = new nsNetAddr(&addr);
+ netaddr.forget(result);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::GetNextAddrAsString(nsACString& result) {
+ NetAddr addr;
+ nsresult rv = GetNextAddr(0, &addr);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ char buf[kIPv6CStrBufSize];
+ if (addr.ToStringBuffer(buf, sizeof(buf))) {
+ result.Assign(buf);
+ return NS_OK;
+ }
+ NS_ERROR("NetAddrToString failed unexpectedly");
+ return NS_ERROR_FAILURE; // conversion failed for some reason
+}
+
+NS_IMETHODIMP
+nsDNSRecord::HasMore(bool* result) {
+ if (mDone) {
+ *result = false;
+ return NS_OK;
+ }
+
+ nsTArray<NetAddr>::const_iterator iterCopy = mIter;
+ int iterGenCntCopy = mIterGenCnt;
+
+ NetAddr addr;
+ *result = NS_SUCCEEDED(GetNextAddr(0, &addr));
+
+ mIter = iterCopy;
+ mIterGenCnt = iterGenCntCopy;
+ mDone = false;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::Rewind() {
+ mIter = nsTArray<NetAddr>::const_iterator();
+ mIterGenCnt = -1;
+ mDone = false;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::ReportUnusable(uint16_t aPort) {
+ // right now we don't use the port in the blocklist
+
+ MutexAutoLock lock(mHostRecord->addr_info_lock);
+
+ // Check that we are using a real addr_info (as opposed to a single
+ // constant address), and that the generation count is valid. Otherwise,
+ // ignore the report.
+
+ if (mHostRecord->addr_info && mIterGenCnt == mHostRecord->addr_info_gencnt &&
+ iter()) {
+ mHostRecord->ReportUnusable(iter());
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::GetEffectiveTRRMode(nsIRequest::TRRMode* aMode) {
+ *aMode = mHostRecord->EffectiveTRRMode();
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsDNSRecord::GetTrrSkipReason(
+ nsITRRSkipReason::value* aTrrSkipReason) {
+ *aTrrSkipReason = mHostRecord->TrrSkipReason();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSRecord::GetTtl(uint32_t* aTtl) { return mHostRecord->GetTtl(aTtl); }
+
+class nsDNSByTypeRecord : public nsIDNSByTypeRecord,
+ public nsIDNSTXTRecord,
+ public nsIDNSHTTPSSVCRecord {
+ public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+ NS_DECL_NSIDNSRECORD
+ NS_DECL_NSIDNSBYTYPERECORD
+ NS_DECL_NSIDNSTXTRECORD
+ NS_DECL_NSIDNSHTTPSSVCRECORD
+
+ explicit nsDNSByTypeRecord(nsHostRecord* hostRecord) {
+ mHostRecord = do_QueryObject(hostRecord);
+ }
+
+ private:
+ virtual ~nsDNSByTypeRecord() = default;
+ RefPtr<TypeHostRecord> mHostRecord;
+};
+
+NS_IMPL_ISUPPORTS(nsDNSByTypeRecord, nsIDNSRecord, nsIDNSByTypeRecord,
+ nsIDNSTXTRecord, nsIDNSHTTPSSVCRecord)
+
+NS_IMETHODIMP
+nsDNSByTypeRecord::GetType(uint32_t* aType) {
+ *aType = mHostRecord->GetType();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSByTypeRecord::GetRecords(CopyableTArray<nsCString>& aRecords) {
+ // deep copy
+ return mHostRecord->GetRecords(aRecords);
+}
+
+NS_IMETHODIMP
+nsDNSByTypeRecord::GetRecordsAsOneString(nsACString& aRecords) {
+ // deep copy
+ return mHostRecord->GetRecordsAsOneString(aRecords);
+}
+
+NS_IMETHODIMP
+nsDNSByTypeRecord::GetRecords(nsTArray<RefPtr<nsISVCBRecord>>& aRecords) {
+ return mHostRecord->GetRecords(aRecords);
+}
+
+NS_IMETHODIMP
+nsDNSByTypeRecord::GetServiceModeRecord(bool aNoHttp2, bool aNoHttp3,
+ nsISVCBRecord** aRecord) {
+ return mHostRecord->GetServiceModeRecord(aNoHttp2, aNoHttp3, aRecord);
+}
+
+NS_IMETHODIMP
+nsDNSByTypeRecord::GetAllRecordsWithEchConfig(
+ bool aNoHttp2, bool aNoHttp3, bool* aAllRecordsHaveEchConfig,
+ bool* aAllRecordsInH3ExcludedList,
+ nsTArray<RefPtr<nsISVCBRecord>>& aResult) {
+ return mHostRecord->GetAllRecordsWithEchConfig(
+ aNoHttp2, aNoHttp3, aAllRecordsHaveEchConfig, aAllRecordsInH3ExcludedList,
+ aResult);
+}
+
+NS_IMETHODIMP
+nsDNSByTypeRecord::GetHasIPAddresses(bool* aResult) {
+ return mHostRecord->GetHasIPAddresses(aResult);
+}
+
+NS_IMETHODIMP
+nsDNSByTypeRecord::GetAllRecordsExcluded(bool* aResult) {
+ return mHostRecord->GetAllRecordsExcluded(aResult);
+}
+
+NS_IMETHODIMP
+nsDNSByTypeRecord::GetResults(mozilla::net::TypeRecordResultType* aResults) {
+ *aResults = mHostRecord->GetResults();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSByTypeRecord::GetTtl(uint32_t* aTtl) { return mHostRecord->GetTtl(aTtl); }
+
+//-----------------------------------------------------------------------------
+
+class nsDNSAsyncRequest final : public nsResolveHostCallback,
+ public nsICancelable {
+ public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+ NS_DECL_NSICANCELABLE
+
+ nsDNSAsyncRequest(nsHostResolver* res, const nsACString& host,
+ const nsACString& trrServer, uint16_t type,
+ const OriginAttributes& attrs, nsIDNSListener* listener,
+ nsIDNSService::DNSFlags flags, uint16_t af)
+ : mResolver(res),
+ mHost(host),
+ mTrrServer(trrServer),
+ mType(type),
+ mOriginAttributes(attrs),
+ mListener(listener),
+ mFlags(flags),
+ mAF(af) {}
+
+ void OnResolveHostComplete(nsHostResolver*, nsHostRecord*, nsresult) override;
+ // Returns TRUE if the DNS listener arg is the same as the member listener
+ // Used in Cancellations to remove DNS requests associated with a
+ // particular hostname and nsIDNSListener
+ bool EqualsAsyncListener(nsIDNSListener* aListener) override;
+
+ size_t SizeOfIncludingThis(mozilla::MallocSizeOf) const override;
+
+ RefPtr<nsHostResolver> mResolver;
+ nsCString mHost; // hostname we're resolving
+ nsCString mTrrServer; // A trr server to be used.
+ uint16_t mType = 0;
+ const OriginAttributes
+ mOriginAttributes; // The originAttributes for this resolving
+ nsCOMPtr<nsIDNSListener> mListener;
+ nsIDNSService::DNSFlags mFlags = nsIDNSService::RESOLVE_DEFAULT_FLAGS;
+ uint16_t mAF = 0;
+
+ private:
+ virtual ~nsDNSAsyncRequest() = default;
+};
+
+NS_IMPL_ISUPPORTS(nsDNSAsyncRequest, nsICancelable)
+
+void nsDNSAsyncRequest::OnResolveHostComplete(nsHostResolver* resolver,
+ nsHostRecord* hostRecord,
+ nsresult status) {
+ // need to have an owning ref when we issue the callback to enable
+ // the caller to be able to addref/release multiple times without
+ // destroying the record prematurely.
+ nsCOMPtr<nsIDNSRecord> rec;
+ if (NS_SUCCEEDED(status) ||
+ mFlags & nsIDNSService::RESOLVE_WANT_RECORD_ON_ERROR) {
+ MOZ_ASSERT(hostRecord, "no host record");
+ if (hostRecord->type != nsDNSService::RESOLVE_TYPE_DEFAULT) {
+ rec = new nsDNSByTypeRecord(hostRecord);
+ } else {
+ rec = new nsDNSRecord(hostRecord);
+ }
+ }
+
+ mListener->OnLookupComplete(this, rec, status);
+ mListener = nullptr;
+}
+
+bool nsDNSAsyncRequest::EqualsAsyncListener(nsIDNSListener* aListener) {
+ uintptr_t originalListenerAddr = reinterpret_cast<uintptr_t>(mListener.get());
+ RefPtr<DNSListenerProxy> wrapper = do_QueryObject(mListener);
+ if (wrapper) {
+ originalListenerAddr = wrapper->GetOriginalListenerAddress();
+ }
+
+ uintptr_t listenerAddr = reinterpret_cast<uintptr_t>(aListener);
+ return (listenerAddr == originalListenerAddr);
+}
+
+size_t nsDNSAsyncRequest::SizeOfIncludingThis(MallocSizeOf mallocSizeOf) const {
+ size_t n = mallocSizeOf(this);
+
+ // The following fields aren't measured.
+ // - mHost, because it's a non-owning pointer
+ // - mResolver, because it's a non-owning pointer
+ // - mListener, because it's a non-owning pointer
+
+ return n;
+}
+
+NS_IMETHODIMP
+nsDNSAsyncRequest::Cancel(nsresult reason) {
+ NS_ENSURE_ARG(NS_FAILED(reason));
+ MOZ_DIAGNOSTIC_ASSERT(mResolver, "mResolver should not be null");
+ mResolver->DetachCallback(mHost, mTrrServer, mType, mOriginAttributes, mFlags,
+ mAF, this, reason);
+ return NS_OK;
+}
+
+//-----------------------------------------------------------------------------
+
+class nsDNSSyncRequest : public nsResolveHostCallback {
+ NS_DECL_THREADSAFE_ISUPPORTS
+ public:
+ explicit nsDNSSyncRequest(PRMonitor* mon) : mMonitor(mon) {}
+
+ void OnResolveHostComplete(nsHostResolver*, nsHostRecord*, nsresult) override;
+ bool EqualsAsyncListener(nsIDNSListener* aListener) override;
+ size_t SizeOfIncludingThis(mozilla::MallocSizeOf) const override;
+
+ bool mDone = false;
+ nsresult mStatus = NS_OK;
+ RefPtr<nsHostRecord> mHostRecord;
+
+ private:
+ virtual ~nsDNSSyncRequest() = default;
+
+ PRMonitor* mMonitor = nullptr;
+};
+
+NS_IMPL_ISUPPORTS0(nsDNSSyncRequest)
+
+void nsDNSSyncRequest::OnResolveHostComplete(nsHostResolver* resolver,
+ nsHostRecord* hostRecord,
+ nsresult status) {
+ // store results, and wake up nsDNSService::Resolve to process results.
+ PR_EnterMonitor(mMonitor);
+ mDone = true;
+ mStatus = status;
+ mHostRecord = hostRecord;
+ PR_Notify(mMonitor);
+ PR_ExitMonitor(mMonitor);
+}
+
+bool nsDNSSyncRequest::EqualsAsyncListener(nsIDNSListener* aListener) {
+ // Sync request: no listener to compare
+ return false;
+}
+
+size_t nsDNSSyncRequest::SizeOfIncludingThis(MallocSizeOf mallocSizeOf) const {
+ size_t n = mallocSizeOf(this);
+
+ // The following fields aren't measured.
+ // - mHostRecord, because it's a non-owning pointer
+
+ // Measurement of the following members may be added later if DMD finds it
+ // is worthwhile:
+ // - mMonitor
+
+ return n;
+}
+
+class NotifyDNSResolution : public Runnable {
+ public:
+ explicit NotifyDNSResolution(const nsACString& aHostname)
+ : mozilla::Runnable("NotifyDNSResolution"), mHostname(aHostname) {}
+
+ NS_IMETHOD Run() override {
+ MOZ_ASSERT(NS_IsMainThread());
+ nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+ if (obs) {
+ obs->NotifyObservers(nullptr, "dns-resolution-request",
+ NS_ConvertUTF8toUTF16(mHostname).get());
+ }
+ return NS_OK;
+ }
+
+ private:
+ nsCString mHostname;
+};
+
+//-----------------------------------------------------------------------------
+
+static StaticRefPtr<DNSServiceWrapper> gDNSServiceWrapper;
+
+NS_IMPL_ISUPPORTS(DNSServiceWrapper, nsIDNSService, nsPIDNSService)
+
+// static
+already_AddRefed<nsIDNSService> DNSServiceWrapper::GetSingleton() {
+ if (!gDNSServiceWrapper) {
+ gDNSServiceWrapper = new DNSServiceWrapper();
+ gDNSServiceWrapper->mDNSServiceInUse = ChildDNSService::GetSingleton();
+ if (gDNSServiceWrapper->mDNSServiceInUse) {
+ ClearOnShutdown(&gDNSServiceWrapper);
+ nsDNSPrefetch::Initialize(gDNSServiceWrapper);
+ } else {
+ gDNSServiceWrapper = nullptr;
+ }
+ }
+
+ return do_AddRef(gDNSServiceWrapper);
+}
+
+// static
+void DNSServiceWrapper::SwitchToBackupDNSService() {
+ if (!gDNSServiceWrapper) {
+ return;
+ }
+
+ gDNSServiceWrapper->mBackupDNSService = nsDNSService::GetSingleton();
+
+ MutexAutoLock lock(gDNSServiceWrapper->mLock);
+ gDNSServiceWrapper->mBackupDNSService.swap(
+ gDNSServiceWrapper->mDNSServiceInUse);
+}
+
+nsIDNSService* DNSServiceWrapper::DNSService() {
+ MOZ_ASSERT(XRE_IsParentProcess());
+
+ MutexAutoLock lock(mLock);
+ return mDNSServiceInUse.get();
+}
+
+nsPIDNSService* DNSServiceWrapper::PIDNSService() {
+ MOZ_ASSERT(XRE_IsParentProcess());
+
+ nsCOMPtr<nsPIDNSService> service = do_QueryInterface(DNSService());
+ return service.get();
+}
+
+//-----------------------------------------------------------------------------
+NS_IMPL_ISUPPORTS_INHERITED(nsDNSService, DNSServiceBase, nsIDNSService,
+ nsPIDNSService, nsIMemoryReporter)
+
+/******************************************************************************
+ * nsDNSService impl:
+ * singleton instance ctor/dtor methods
+ ******************************************************************************/
+static StaticRefPtr<nsDNSService> gDNSService;
+static Atomic<bool> gInited(false);
+
+already_AddRefed<nsIDNSService> GetOrInitDNSService() {
+ if (gInited) {
+ return nsDNSService::GetXPCOMSingleton();
+ }
+
+ nsCOMPtr<nsIDNSService> dns = nullptr;
+ auto initTask = [&dns]() { dns = do_GetService(NS_DNSSERVICE_CID); };
+ if (!NS_IsMainThread()) {
+ // Forward to the main thread synchronously.
+ RefPtr<nsIThread> mainThread = do_GetMainThread();
+ if (!mainThread) {
+ return nullptr;
+ }
+
+ SyncRunnable::DispatchToThread(
+ mainThread, NS_NewRunnableFunction("GetOrInitDNSService", initTask));
+ } else {
+ initTask();
+ }
+
+ return dns.forget();
+}
+
+already_AddRefed<nsIDNSService> nsDNSService::GetXPCOMSingleton() {
+ auto getDNSHelper = []() -> already_AddRefed<nsIDNSService> {
+ if (nsIOService::UseSocketProcess()) {
+ if (XRE_IsSocketProcess()) {
+ return GetSingleton();
+ }
+
+ if (XRE_IsParentProcess()) {
+ return DNSServiceWrapper::GetSingleton();
+ }
+
+ if (XRE_IsContentProcess()) {
+ return ChildDNSService::GetSingleton();
+ }
+
+ return nullptr;
+ }
+
+ if (XRE_IsParentProcess() || XRE_IsSocketProcess()) {
+ return GetSingleton();
+ }
+
+ if (XRE_IsContentProcess()) {
+ return ChildDNSService::GetSingleton();
+ }
+
+ return nullptr;
+ };
+
+ if (gInited) {
+ return getDNSHelper();
+ }
+
+ nsCOMPtr<nsIDNSService> dns = getDNSHelper();
+ if (dns) {
+ gInited = true;
+ }
+ return dns.forget();
+}
+
+already_AddRefed<nsDNSService> nsDNSService::GetSingleton() {
+ MOZ_ASSERT_IF(nsIOService::UseSocketProcess(), XRE_IsSocketProcess());
+
+ if (!gDNSService) {
+ if (!NS_IsMainThread()) {
+ return nullptr;
+ }
+ gDNSService = new nsDNSService();
+ if (NS_SUCCEEDED(gDNSService->Init())) {
+ ClearOnShutdown(&gDNSService);
+ } else {
+ gDNSService = nullptr;
+ }
+ }
+
+ return do_AddRef(gDNSService);
+}
+
+void nsDNSService::ReadPrefs(const char* name) {
+ DNSServiceBase::ReadPrefs(name);
+
+ bool tmpbool;
+ uint32_t tmpint;
+ mResolverPrefsUpdated = false;
+
+ // resolver-specific prefs first
+ if (!name || !strcmp(name, kPrefDnsCacheEntries)) {
+ if (NS_SUCCEEDED(Preferences::GetUint(kPrefDnsCacheEntries, &tmpint))) {
+ if (!name || (tmpint != mResCacheEntries)) {
+ mResCacheEntries = tmpint;
+ mResolverPrefsUpdated = true;
+ }
+ }
+ }
+ if (!name || !strcmp(name, kPrefDnsCacheExpiration)) {
+ if (NS_SUCCEEDED(Preferences::GetUint(kPrefDnsCacheExpiration, &tmpint))) {
+ if (!name || (tmpint != mResCacheExpiration)) {
+ mResCacheExpiration = tmpint;
+ mResolverPrefsUpdated = true;
+ }
+ }
+ }
+ if (!name || !strcmp(name, kPrefDnsCacheGrace)) {
+ if (NS_SUCCEEDED(Preferences::GetUint(kPrefDnsCacheGrace, &tmpint))) {
+ if (!name || (tmpint != mResCacheGrace)) {
+ mResCacheGrace = tmpint;
+ mResolverPrefsUpdated = true;
+ }
+ }
+ }
+
+ // DNSservice prefs
+ if (!name || !strcmp(name, kPrefDisableIPv6)) {
+ if (NS_SUCCEEDED(Preferences::GetBool(kPrefDisableIPv6, &tmpbool))) {
+ mDisableIPv6 = tmpbool;
+ }
+ }
+ if (!name || !strcmp(name, kPrefDnsOfflineLocalhost)) {
+ if (NS_SUCCEEDED(
+ Preferences::GetBool(kPrefDnsOfflineLocalhost, &tmpbool))) {
+ mOfflineLocalhost = tmpbool;
+ }
+ }
+ if (!name || !strcmp(name, kPrefBlockDotOnion)) {
+ if (NS_SUCCEEDED(Preferences::GetBool(kPrefBlockDotOnion, &tmpbool))) {
+ mBlockDotOnion = tmpbool;
+ }
+ }
+ if (!name || !strcmp(name, kPrefDnsNotifyResolution)) {
+ if (NS_SUCCEEDED(
+ Preferences::GetBool(kPrefDnsNotifyResolution, &tmpbool))) {
+ mNotifyResolution = tmpbool;
+ }
+ }
+ if (!name || !strcmp(name, kPrefIPv4OnlyDomains)) {
+ Preferences::GetCString(kPrefIPv4OnlyDomains, mIPv4OnlyDomains);
+ }
+ if (!name || !strcmp(name, kPrefDnsLocalDomains)) {
+ nsCString localDomains;
+ Preferences::GetCString(kPrefDnsLocalDomains, localDomains);
+ MutexAutoLock lock(mLock);
+ mLocalDomains.Clear();
+ for (const auto& token :
+ nsCCharSeparatedTokenizerTemplate<NS_IsAsciiWhitespace,
+ nsTokenizerFlags::SeparatorOptional>(
+ localDomains, ',')
+ .ToRange()) {
+ mLocalDomains.Insert(token);
+ }
+ }
+ if (!name || !strcmp(name, kPrefDnsForceResolve)) {
+ Preferences::GetCString(kPrefDnsForceResolve, mForceResolve);
+ mForceResolveOn = !mForceResolve.IsEmpty();
+ }
+}
+
+NS_IMETHODIMP
+nsDNSService::Init() {
+ MOZ_ASSERT(!mResolver);
+ MOZ_ASSERT(NS_IsMainThread());
+
+ ReadPrefs(nullptr);
+
+ nsCOMPtr<nsIObserverService> observerService =
+ mozilla::services::GetObserverService();
+ if (observerService) {
+ observerService->AddObserver(this, "last-pb-context-exited", false);
+ observerService->AddObserver(this, NS_NETWORK_LINK_TOPIC, false);
+ observerService->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, false);
+ }
+
+ RefPtr<nsHostResolver> res;
+ nsresult rv = nsHostResolver::Create(mResCacheEntries, mResCacheExpiration,
+ mResCacheGrace, getter_AddRefs(res));
+ if (NS_SUCCEEDED(rv)) {
+ // now, set all of our member variables while holding the lock
+ MutexAutoLock lock(mLock);
+ mResolver = res;
+ }
+
+ nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
+ if (prefs) {
+ // register as prefs observer
+ prefs->AddObserver(kPrefDnsCacheEntries, this, false);
+ prefs->AddObserver(kPrefDnsCacheExpiration, this, false);
+ prefs->AddObserver(kPrefDnsCacheGrace, this, false);
+ prefs->AddObserver(kPrefIPv4OnlyDomains, this, false);
+ prefs->AddObserver(kPrefDnsLocalDomains, this, false);
+ prefs->AddObserver(kPrefDnsForceResolve, this, false);
+ prefs->AddObserver(kPrefDisableIPv6, this, false);
+ prefs->AddObserver(kPrefDnsOfflineLocalhost, this, false);
+ prefs->AddObserver(kPrefBlockDotOnion, this, false);
+ prefs->AddObserver(kPrefDnsNotifyResolution, this, false);
+ AddPrefObserver(prefs);
+ }
+
+ nsDNSPrefetch::Initialize(this);
+
+ RegisterWeakMemoryReporter(this);
+
+ mTrrService = new TRRService();
+ if (NS_FAILED(mTrrService->Init())) {
+ mTrrService = nullptr;
+ }
+
+ nsCOMPtr<nsIIDNService> idn = do_GetService(NS_IDNSERVICE_CONTRACTID);
+ mIDN = idn;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::Shutdown() {
+ UnregisterWeakMemoryReporter(this);
+
+ RefPtr<nsHostResolver> res;
+ {
+ MutexAutoLock lock(mLock);
+ res = std::move(mResolver);
+ }
+ if (res) {
+ // Shutdown outside lock.
+ res->Shutdown();
+ }
+
+ nsCOMPtr<nsIObserverService> observerService =
+ mozilla::services::GetObserverService();
+ if (observerService) {
+ observerService->RemoveObserver(this, NS_NETWORK_LINK_TOPIC);
+ observerService->RemoveObserver(this, "last-pb-context-exited");
+ observerService->RemoveObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID);
+ }
+
+ return NS_OK;
+}
+
+bool nsDNSService::GetOffline() const {
+ bool offline = false;
+ nsCOMPtr<nsIIOService> io = do_GetService(NS_IOSERVICE_CONTRACTID);
+ if (io) {
+ io->GetOffline(&offline);
+ }
+ return offline;
+}
+
+NS_IMETHODIMP
+nsDNSService::GetPrefetchEnabled(bool* outVal) {
+ MutexAutoLock lock(mLock);
+ *outVal = !mDisablePrefetch;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::SetPrefetchEnabled(bool inVal) {
+ MutexAutoLock lock(mLock);
+ mDisablePrefetch = !inVal;
+ return NS_OK;
+}
+
+already_AddRefed<nsHostResolver> nsDNSService::GetResolverLocked() {
+ MutexAutoLock lock(mLock);
+ return do_AddRef(mResolver);
+}
+
+nsresult nsDNSService::PreprocessHostname(bool aLocalDomain,
+ const nsACString& aInput,
+ nsIIDNService* aIDN,
+ nsACString& aACE) {
+ // Enforce RFC 7686
+ if (mBlockDotOnion && StringEndsWith(aInput, ".onion"_ns)) {
+ return NS_ERROR_UNKNOWN_HOST;
+ }
+
+ if (aLocalDomain) {
+ aACE.AssignLiteral("localhost");
+ return NS_OK;
+ }
+
+ if (mTrrService && mTrrService->MaybeBootstrap(aInput, aACE)) {
+ return NS_OK;
+ }
+
+ if (mForceResolveOn) {
+ MutexAutoLock lock(mLock);
+ if (!aInput.LowerCaseEqualsASCII("localhost") &&
+ !aInput.LowerCaseEqualsASCII("127.0.0.1")) {
+ aACE.Assign(mForceResolve);
+ return NS_OK;
+ }
+ }
+
+ if (!aIDN || IsAscii(aInput)) {
+ aACE = aInput;
+ return NS_OK;
+ }
+
+ if (!(IsUtf8(aInput) && NS_SUCCEEDED(aIDN->ConvertUTF8toACE(aInput, aACE)))) {
+ return NS_ERROR_FAILURE;
+ }
+ return NS_OK;
+}
+
+nsresult nsDNSService::AsyncResolveInternal(
+ const nsACString& aHostname, uint16_t type, nsIDNSService::DNSFlags flags,
+ nsIDNSAdditionalInfo* aInfo, nsIDNSListener* aListener,
+ nsIEventTarget* target_, const OriginAttributes& aOriginAttributes,
+ nsICancelable** result) {
+ // grab reference to global host resolver and IDN service. beware
+ // simultaneous shutdown!!
+ RefPtr<nsHostResolver> res;
+ nsCOMPtr<nsIIDNService> idn;
+ nsCOMPtr<nsIEventTarget> target = target_;
+ nsCOMPtr<nsIDNSListener> listener = aListener;
+ bool localDomain = false;
+ {
+ MutexAutoLock lock(mLock);
+
+ if (mDisablePrefetch && (flags & RESOLVE_SPECULATE)) {
+ return NS_ERROR_DNS_LOOKUP_QUEUE_FULL;
+ }
+
+ res = mResolver;
+ idn = mIDN;
+ localDomain = mLocalDomains.Contains(aHostname);
+ }
+
+ if (mNotifyResolution) {
+ NS_DispatchToMainThread(new NotifyDNSResolution(aHostname));
+ }
+
+ if (!res) {
+ return NS_ERROR_OFFLINE;
+ }
+
+ if ((type != RESOLVE_TYPE_DEFAULT) && (type != RESOLVE_TYPE_TXT) &&
+ (type != RESOLVE_TYPE_HTTPSSVC)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ if (DNSForbiddenByActiveProxy(aHostname, flags)) {
+ // nsHostResolver returns NS_ERROR_UNKNOWN_HOST for lots of reasons.
+ // We use a different error code to differentiate this failure and to make
+ // it clear(er) where this error comes from.
+ return NS_ERROR_UNKNOWN_PROXY_HOST;
+ }
+
+ nsCString hostname;
+ nsresult rv = PreprocessHostname(localDomain, aHostname, idn, hostname);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ if (GetOffline() &&
+ (!mOfflineLocalhost || !hostname.LowerCaseEqualsASCII("localhost"))) {
+ flags |= RESOLVE_OFFLINE;
+ }
+
+ // make sure JS callers get notification on the main thread
+ nsCOMPtr<nsIXPConnectWrappedJS> wrappedListener = do_QueryInterface(listener);
+ if (wrappedListener && !target) {
+ target = GetMainThreadSerialEventTarget();
+ }
+
+ if (target) {
+ listener = new DNSListenerProxy(listener, target);
+ }
+
+ uint16_t af =
+ (type != RESOLVE_TYPE_DEFAULT) ? 0 : GetAFForLookup(hostname, flags);
+
+ MOZ_ASSERT(listener);
+ RefPtr<nsDNSAsyncRequest> req =
+ new nsDNSAsyncRequest(res, hostname, DNSAdditionalInfo::URL(aInfo), type,
+ aOriginAttributes, listener, flags, af);
+ if (!req) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ rv = res->ResolveHost(req->mHost, DNSAdditionalInfo::URL(aInfo),
+ DNSAdditionalInfo::Port(aInfo), type,
+ req->mOriginAttributes, flags, af, req);
+ req.forget(result);
+ return rv;
+}
+
+nsresult nsDNSService::CancelAsyncResolveInternal(
+ const nsACString& aHostname, uint16_t aType, nsIDNSService::DNSFlags aFlags,
+ nsIDNSAdditionalInfo* aInfo, nsIDNSListener* aListener, nsresult aReason,
+ const OriginAttributes& aOriginAttributes) {
+ // grab reference to global host resolver and IDN service. beware
+ // simultaneous shutdown!!
+ RefPtr<nsHostResolver> res;
+ nsCOMPtr<nsIIDNService> idn;
+ bool localDomain = false;
+ {
+ MutexAutoLock lock(mLock);
+
+ if (mDisablePrefetch && (aFlags & RESOLVE_SPECULATE)) {
+ return NS_ERROR_DNS_LOOKUP_QUEUE_FULL;
+ }
+
+ res = mResolver;
+ idn = mIDN;
+ localDomain = mLocalDomains.Contains(aHostname);
+ }
+ if (!res) {
+ return NS_ERROR_OFFLINE;
+ }
+
+ nsCString hostname;
+ nsresult rv = PreprocessHostname(localDomain, aHostname, idn, hostname);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ uint16_t af =
+ (aType != RESOLVE_TYPE_DEFAULT) ? 0 : GetAFForLookup(hostname, aFlags);
+
+ res->CancelAsyncRequest(hostname, DNSAdditionalInfo::URL(aInfo), aType,
+ aOriginAttributes, aFlags, af, aListener, aReason);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::AsyncResolve(const nsACString& aHostname,
+ nsIDNSService::ResolveType aType,
+ nsIDNSService::DNSFlags flags,
+ nsIDNSAdditionalInfo* aInfo,
+ nsIDNSListener* listener, nsIEventTarget* target_,
+ JS::Handle<JS::Value> aOriginAttributes,
+ JSContext* aCx, uint8_t aArgc,
+ nsICancelable** result) {
+ OriginAttributes attrs;
+
+ if (aArgc == 1) {
+ if (!aOriginAttributes.isObject() || !attrs.Init(aCx, aOriginAttributes)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ }
+
+ return AsyncResolveInternal(aHostname, aType, flags, aInfo, listener, target_,
+ attrs, result);
+}
+
+NS_IMETHODIMP
+nsDNSService::AsyncResolveNative(
+ const nsACString& aHostname, nsIDNSService::ResolveType aType,
+ nsIDNSService::DNSFlags flags, nsIDNSAdditionalInfo* aInfo,
+ nsIDNSListener* aListener, nsIEventTarget* target_,
+ const OriginAttributes& aOriginAttributes, nsICancelable** result) {
+ return AsyncResolveInternal(aHostname, aType, flags, aInfo, aListener,
+ target_, aOriginAttributes, result);
+}
+
+NS_IMETHODIMP
+nsDNSService::NewAdditionalInfo(const nsACString& aTrrURL, int32_t aPort,
+ nsIDNSAdditionalInfo** aInfo) {
+ RefPtr<DNSAdditionalInfo> res = new DNSAdditionalInfo(aTrrURL, aPort);
+ res.forget(aInfo);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::CancelAsyncResolve(const nsACString& aHostname,
+ nsIDNSService::ResolveType aType,
+ nsIDNSService::DNSFlags aFlags,
+ nsIDNSAdditionalInfo* aInfo,
+ nsIDNSListener* aListener, nsresult aReason,
+ JS::Handle<JS::Value> aOriginAttributes,
+ JSContext* aCx, uint8_t aArgc) {
+ OriginAttributes attrs;
+
+ if (aArgc == 1) {
+ if (!aOriginAttributes.isObject() || !attrs.Init(aCx, aOriginAttributes)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ }
+
+ return CancelAsyncResolveInternal(aHostname, aType, aFlags, aInfo, aListener,
+ aReason, attrs);
+}
+
+NS_IMETHODIMP
+nsDNSService::CancelAsyncResolveNative(
+ const nsACString& aHostname, nsIDNSService::ResolveType aType,
+ nsIDNSService::DNSFlags aFlags, nsIDNSAdditionalInfo* aInfo,
+ nsIDNSListener* aListener, nsresult aReason,
+ const OriginAttributes& aOriginAttributes) {
+ return CancelAsyncResolveInternal(aHostname, aType, aFlags, aInfo, aListener,
+ aReason, aOriginAttributes);
+}
+
+NS_IMETHODIMP
+nsDNSService::Resolve(const nsACString& aHostname,
+ nsIDNSService::DNSFlags flags,
+ JS::Handle<JS::Value> aOriginAttributes, JSContext* aCx,
+ uint8_t aArgc, nsIDNSRecord** result) {
+ OriginAttributes attrs;
+
+ if (aArgc == 1) {
+ if (!aOriginAttributes.isObject() || !attrs.Init(aCx, aOriginAttributes)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ }
+
+ return ResolveNative(aHostname, flags, attrs, result);
+}
+
+NS_IMETHODIMP
+nsDNSService::ResolveNative(const nsACString& aHostname,
+ nsIDNSService::DNSFlags flags,
+ const OriginAttributes& aOriginAttributes,
+ nsIDNSRecord** result) {
+ // Synchronous resolution is not available on the main thread.
+ if (NS_IsMainThread()) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ return ResolveInternal(aHostname, flags, aOriginAttributes, result);
+}
+
+nsresult nsDNSService::DeprecatedSyncResolve(
+ const nsACString& aHostname, nsIDNSService::DNSFlags flags,
+ const OriginAttributes& aOriginAttributes, nsIDNSRecord** result) {
+ return ResolveInternal(aHostname, flags, aOriginAttributes, result);
+}
+
+nsresult nsDNSService::ResolveInternal(
+ const nsACString& aHostname, nsIDNSService::DNSFlags flags,
+ const OriginAttributes& aOriginAttributes, nsIDNSRecord** result) {
+ // grab reference to global host resolver and IDN service. beware
+ // simultaneous shutdown!!
+ RefPtr<nsHostResolver> res;
+ nsCOMPtr<nsIIDNService> idn;
+ bool localDomain = false;
+ {
+ MutexAutoLock lock(mLock);
+ res = mResolver;
+ idn = mIDN;
+ localDomain = mLocalDomains.Contains(aHostname);
+ }
+
+ if (mNotifyResolution) {
+ NS_DispatchToMainThread(new NotifyDNSResolution(aHostname));
+ }
+
+ NS_ENSURE_TRUE(res, NS_ERROR_OFFLINE);
+
+ nsCString hostname;
+ nsresult rv = PreprocessHostname(localDomain, aHostname, idn, hostname);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ if (GetOffline() &&
+ (!mOfflineLocalhost || !hostname.LowerCaseEqualsASCII("localhost"))) {
+ flags |= RESOLVE_OFFLINE;
+ }
+
+ if (DNSForbiddenByActiveProxy(aHostname, flags)) {
+ return NS_ERROR_UNKNOWN_PROXY_HOST;
+ }
+
+ //
+ // sync resolve: since the host resolver only works asynchronously, we need
+ // to use a mutex and a condvar to wait for the result. however, since the
+ // result may be in the resolvers cache, we might get called back recursively
+ // on the same thread. so, our mutex needs to be re-entrant. in other words,
+ // we need to use a monitor! ;-)
+ //
+
+ PRMonitor* mon = PR_NewMonitor();
+ if (!mon) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ PR_EnterMonitor(mon);
+ RefPtr<nsDNSSyncRequest> syncReq = new nsDNSSyncRequest(mon);
+
+ uint16_t af = GetAFForLookup(hostname, flags);
+
+ // TRR uses the main thread for the HTTPS channel to the DoH server.
+ // If this were to block the main thread while waiting for TRR it would
+ // likely cause a deadlock. Instead we intentionally choose to not use TRR
+ // for this.
+ if (NS_IsMainThread()) {
+ flags |= RESOLVE_DISABLE_TRR;
+ }
+
+ rv = res->ResolveHost(hostname, ""_ns, -1, RESOLVE_TYPE_DEFAULT,
+ aOriginAttributes, flags, af, syncReq);
+ if (NS_SUCCEEDED(rv)) {
+ // wait for result
+ while (!syncReq->mDone) {
+ PR_Wait(mon, PR_INTERVAL_NO_TIMEOUT);
+ }
+
+ if (NS_FAILED(syncReq->mStatus)) {
+ rv = syncReq->mStatus;
+ } else {
+ NS_ASSERTION(syncReq->mHostRecord, "no host record");
+ RefPtr<nsDNSRecord> rec = new nsDNSRecord(syncReq->mHostRecord);
+ rec.forget(result);
+ }
+ }
+
+ PR_ExitMonitor(mon);
+ PR_DestroyMonitor(mon);
+ return rv;
+}
+
+NS_IMETHODIMP
+nsDNSService::GetMyHostName(nsACString& result) {
+ char name[100];
+ if (PR_GetSystemInfo(PR_SI_HOSTNAME, name, sizeof(name)) == PR_SUCCESS) {
+ result = name;
+ return NS_OK;
+ }
+ return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsDNSService::Observe(nsISupports* subject, const char* topic,
+ const char16_t* data) {
+ bool flushCache = false;
+ RefPtr<nsHostResolver> resolver = GetResolverLocked();
+
+ if (!strcmp(topic, NS_NETWORK_LINK_TOPIC)) {
+ nsAutoCString converted = NS_ConvertUTF16toUTF8(data);
+ if (!strcmp(converted.get(), NS_NETWORK_LINK_DATA_CHANGED)) {
+ flushCache = true;
+ }
+ } else if (!strcmp(topic, "last-pb-context-exited")) {
+ flushCache = true;
+ } else if (!strcmp(topic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID)) {
+ ReadPrefs(NS_ConvertUTF16toUTF8(data).get());
+ NS_ENSURE_TRUE(resolver, NS_ERROR_NOT_INITIALIZED);
+ if (mResolverPrefsUpdated && resolver) {
+ resolver->SetCacheLimits(mResCacheEntries, mResCacheExpiration,
+ mResCacheGrace);
+ }
+ } else if (!strcmp(topic, NS_XPCOM_SHUTDOWN_OBSERVER_ID)) {
+ Shutdown();
+ }
+
+ if (flushCache && resolver) {
+ resolver->FlushCache(false);
+ return NS_OK;
+ }
+
+ return NS_OK;
+}
+
+uint16_t nsDNSService::GetAFForLookup(const nsACString& host,
+ nsIDNSService::DNSFlags flags) {
+ if (mDisableIPv6 || (flags & RESOLVE_DISABLE_IPV6)) {
+ return PR_AF_INET;
+ }
+
+ MutexAutoLock lock(mLock);
+
+ uint16_t af = PR_AF_UNSPEC;
+
+ if (!mIPv4OnlyDomains.IsEmpty()) {
+ const char *domain, *domainEnd, *end;
+ uint32_t hostLen, domainLen;
+
+ // see if host is in one of the IPv4-only domains
+ domain = mIPv4OnlyDomains.BeginReading();
+ domainEnd = mIPv4OnlyDomains.EndReading();
+
+ nsACString::const_iterator hostStart;
+ host.BeginReading(hostStart);
+ hostLen = host.Length();
+
+ do {
+ // skip any whitespace
+ while (*domain == ' ' || *domain == '\t') {
+ ++domain;
+ }
+
+ // find end of this domain in the string
+ end = strchr(domain, ',');
+ if (!end) {
+ end = domainEnd;
+ }
+
+ // to see if the hostname is in the domain, check if the domain
+ // matches the end of the hostname.
+ domainLen = end - domain;
+ if (domainLen && hostLen >= domainLen) {
+ const char* hostTail = hostStart.get() + hostLen - domainLen;
+ if (nsCRT::strncasecmp(domain, hostTail, domainLen) == 0) {
+ // now, make sure either that the hostname is a direct match or
+ // that the hostname begins with a dot.
+ if (hostLen == domainLen || *hostTail == '.' ||
+ *(hostTail - 1) == '.') {
+ af = PR_AF_INET;
+ break;
+ }
+ }
+ }
+
+ domain = end + 1;
+ } while (*end);
+ }
+
+ if ((af != PR_AF_INET) && (flags & RESOLVE_DISABLE_IPV4)) {
+ af = PR_AF_INET6;
+ }
+
+ return af;
+}
+
+NS_IMETHODIMP
+nsDNSService::GetDNSCacheEntries(
+ nsTArray<mozilla::net::DNSCacheEntries>* args) {
+ RefPtr<nsHostResolver> resolver = GetResolverLocked();
+ NS_ENSURE_TRUE(resolver, NS_ERROR_NOT_INITIALIZED);
+ resolver->GetDNSCacheEntries(args);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::ClearCache(bool aTrrToo) {
+ RefPtr<nsHostResolver> resolver = GetResolverLocked();
+ NS_ENSURE_TRUE(resolver, NS_ERROR_NOT_INITIALIZED);
+ resolver->FlushCache(aTrrToo);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::ReloadParentalControlEnabled() {
+ if (mTrrService) {
+ mTrrService->mParentalControlEnabled =
+ TRRService::GetParentalControlEnabledInternal();
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::SetDetectedTrrURI(const nsACString& aURI) {
+ if (mTrrService) {
+ mTrrService->SetDetectedTrrURI(aURI);
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::SetHeuristicDetectionResult(nsITRRSkipReason::value aValue) {
+ if (mTrrService) {
+ mTrrService->SetHeuristicDetectionResult(aValue);
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::GetHeuristicDetectionResult(nsITRRSkipReason::value* aValue) {
+ if (!mTrrService) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ *aValue = mTrrService->GetHeuristicDetectionResult();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::GetTRRSkipReasonName(nsITRRSkipReason::value aValue,
+ nsACString& aName) {
+ return mozilla::net::GetTRRSkipReasonName(aValue, aName);
+}
+
+NS_IMETHODIMP
+nsDNSService::GetCurrentTrrURI(nsACString& aURI) {
+ if (mTrrService) {
+ mTrrService->GetURI(aURI);
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::GetCurrentTrrMode(nsIDNSService::ResolverMode* aMode) {
+ *aMode = nsIDNSService::MODE_NATIVEONLY; // The default mode.
+ if (mTrrService) {
+ *aMode = mTrrService->Mode();
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::GetCurrentTrrConfirmationState(uint32_t* aConfirmationState) {
+ *aConfirmationState = uint32_t(TRRService::CONFIRM_OFF);
+ if (mTrrService) {
+ *aConfirmationState = mTrrService->ConfirmationState();
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::GetTrrDomain(nsACString& aTRRDomain) {
+ aTRRDomain.Truncate();
+ nsAutoCString url;
+ if (mTrrService) {
+ mTrrService->GetURI(url);
+ }
+ nsCOMPtr<nsIURI> uri;
+ nsresult rv = NS_NewURI(getter_AddRefs(uri), url);
+ if (NS_FAILED(rv)) {
+ // An empty TRR domain in case of invalid URL.
+ return NS_OK;
+ }
+ return uri->GetHost(aTRRDomain);
+}
+
+nsresult nsDNSService::GetTRRDomainKey(nsACString& aTRRDomain) {
+ aTRRDomain = TRRService::ProviderKey();
+ return NS_OK;
+}
+
+size_t nsDNSService::SizeOfIncludingThis(
+ mozilla::MallocSizeOf mallocSizeOf) const {
+ // Measurement of the following members may be added later if DMD finds it
+ // is worthwhile:
+ // - mIDN
+ // - mLock
+
+ size_t n = mallocSizeOf(this);
+ n += mResolver ? mResolver->SizeOfIncludingThis(mallocSizeOf) : 0;
+ n += mIPv4OnlyDomains.SizeOfExcludingThisIfUnshared(mallocSizeOf);
+ n += mLocalDomains.SizeOfExcludingThis(mallocSizeOf);
+ n += mFailedSVCDomainNames.ShallowSizeOfExcludingThis(mallocSizeOf);
+ for (const auto& data : mFailedSVCDomainNames.Values()) {
+ n += data->ShallowSizeOfExcludingThis(mallocSizeOf);
+ for (const auto& name : *data) {
+ n += name.SizeOfExcludingThisIfUnshared(mallocSizeOf);
+ }
+ }
+ return n;
+}
+
+MOZ_DEFINE_MALLOC_SIZE_OF(DNSServiceMallocSizeOf)
+
+NS_IMETHODIMP
+nsDNSService::CollectReports(nsIHandleReportCallback* aHandleReport,
+ nsISupports* aData, bool aAnonymize) {
+ MOZ_COLLECT_REPORT("explicit/network/dns-service", KIND_HEAP, UNITS_BYTES,
+ SizeOfIncludingThis(DNSServiceMallocSizeOf),
+ "Memory used for the DNS service.");
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::ReportFailedSVCDomainName(const nsACString& aOwnerName,
+ const nsACString& aSVCDomainName) {
+ MutexAutoLock lock(mLock);
+
+ mFailedSVCDomainNames.GetOrInsertNew(aOwnerName, 1)
+ ->AppendElement(aSVCDomainName);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::IsSVCDomainNameFailed(const nsACString& aOwnerName,
+ const nsACString& aSVCDomainName,
+ bool* aResult) {
+ NS_ENSURE_ARG(aResult);
+
+ MutexAutoLock lock(mLock);
+ *aResult = false;
+ nsTArray<nsCString>* failedList = mFailedSVCDomainNames.Get(aOwnerName);
+ if (!failedList) {
+ return NS_OK;
+ }
+
+ *aResult = failedList->Contains(aSVCDomainName);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::ResetExcludedSVCDomainName(const nsACString& aOwnerName) {
+ MutexAutoLock lock(mLock);
+ mFailedSVCDomainNames.Remove(aOwnerName);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDNSService::GetLastConfirmationStatus(nsresult* aConfirmationStatus) {
+ if (!mTrrService) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+ *aConfirmationStatus = mTrrService->LastConfirmationStatus();
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsDNSService::GetLastConfirmationSkipReason(
+ TRRSkippedReason* aSkipReason) {
+ if (!mTrrService) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+ *aSkipReason = mTrrService->LastConfirmationSkipReason();
+ return NS_OK;
+}
+
+namespace mozilla::net {
+nsresult GetTRRSkipReasonName(TRRSkippedReason aReason, nsACString& aName) {
+ static_assert(TRRSkippedReason::TRR_UNSET == 0);
+ static_assert(TRRSkippedReason::TRR_OK == 1);
+ static_assert(TRRSkippedReason::TRR_NO_GSERVICE == 2);
+ static_assert(TRRSkippedReason::TRR_PARENTAL_CONTROL == 3);
+ static_assert(TRRSkippedReason::TRR_OFF_EXPLICIT == 4);
+ static_assert(TRRSkippedReason::TRR_REQ_MODE_DISABLED == 5);
+ static_assert(TRRSkippedReason::TRR_MODE_NOT_ENABLED == 6);
+ static_assert(TRRSkippedReason::TRR_FAILED == 7);
+ static_assert(TRRSkippedReason::TRR_MODE_UNHANDLED_DEFAULT == 8);
+ static_assert(TRRSkippedReason::TRR_MODE_UNHANDLED_DISABLED == 9);
+ static_assert(TRRSkippedReason::TRR_DISABLED_FLAG == 10);
+ static_assert(TRRSkippedReason::TRR_TIMEOUT == 11);
+ static_assert(TRRSkippedReason::TRR_CHANNEL_DNS_FAIL == 12);
+ static_assert(TRRSkippedReason::TRR_IS_OFFLINE == 13);
+ static_assert(TRRSkippedReason::TRR_NOT_CONFIRMED == 14);
+ static_assert(TRRSkippedReason::TRR_DID_NOT_MAKE_QUERY == 15);
+ static_assert(TRRSkippedReason::TRR_UNKNOWN_CHANNEL_FAILURE == 16);
+ static_assert(TRRSkippedReason::TRR_HOST_BLOCKED_TEMPORARY == 17);
+ static_assert(TRRSkippedReason::TRR_SEND_FAILED == 18);
+ static_assert(TRRSkippedReason::TRR_NET_RESET == 19);
+ static_assert(TRRSkippedReason::TRR_NET_TIMEOUT == 20);
+ static_assert(TRRSkippedReason::TRR_NET_REFUSED == 21);
+ static_assert(TRRSkippedReason::TRR_NET_INTERRUPT == 22);
+ static_assert(TRRSkippedReason::TRR_NET_INADEQ_SEQURITY == 23);
+ static_assert(TRRSkippedReason::TRR_NO_ANSWERS == 24);
+ static_assert(TRRSkippedReason::TRR_DECODE_FAILED == 25);
+ static_assert(TRRSkippedReason::TRR_EXCLUDED == 26);
+ static_assert(TRRSkippedReason::TRR_SERVER_RESPONSE_ERR == 27);
+ static_assert(TRRSkippedReason::TRR_RCODE_FAIL == 28);
+ static_assert(TRRSkippedReason::TRR_NO_CONNECTIVITY == 29);
+ static_assert(TRRSkippedReason::TRR_NXDOMAIN == 30);
+ static_assert(TRRSkippedReason::TRR_REQ_CANCELLED == 31);
+ static_assert(TRRSkippedReason::ODOH_KEY_NOT_USABLE == 32);
+ static_assert(TRRSkippedReason::ODOH_UPDATE_KEY_FAILED == 33);
+ static_assert(TRRSkippedReason::ODOH_KEY_NOT_AVAILABLE == 34);
+ static_assert(TRRSkippedReason::ODOH_ENCRYPTION_FAILED == 35);
+ static_assert(TRRSkippedReason::ODOH_DECRYPTION_FAILED == 36);
+ static_assert(TRRSkippedReason::TRR_HEURISTIC_TRIPPED_GOOGLE_SAFESEARCH ==
+ 37);
+ static_assert(TRRSkippedReason::TRR_HEURISTIC_TRIPPED_YOUTUBE_SAFESEARCH ==
+ 38);
+ static_assert(TRRSkippedReason::TRR_HEURISTIC_TRIPPED_ZSCALER_CANARY == 39);
+ static_assert(TRRSkippedReason::TRR_HEURISTIC_TRIPPED_CANARY == 40);
+ static_assert(TRRSkippedReason::TRR_HEURISTIC_TRIPPED_MODIFIED_ROOTS == 41);
+ static_assert(TRRSkippedReason::TRR_HEURISTIC_TRIPPED_PARENTAL_CONTROLS ==
+ 42);
+ static_assert(TRRSkippedReason::TRR_HEURISTIC_TRIPPED_THIRD_PARTY_ROOTS ==
+ 43);
+ static_assert(TRRSkippedReason::TRR_HEURISTIC_TRIPPED_ENTERPRISE_POLICY ==
+ 44);
+ static_assert(TRRSkippedReason::TRR_HEURISTIC_TRIPPED_VPN == 45);
+ static_assert(TRRSkippedReason::TRR_HEURISTIC_TRIPPED_PROXY == 46);
+ static_assert(TRRSkippedReason::TRR_HEURISTIC_TRIPPED_NRPT == 47);
+
+ switch (aReason) {
+ case TRRSkippedReason::TRR_UNSET:
+ aName = "TRR_UNSET"_ns;
+ break;
+ case TRRSkippedReason::TRR_OK:
+ aName = "TRR_OK"_ns;
+ break;
+ case TRRSkippedReason::TRR_NO_GSERVICE:
+ aName = "TRR_NO_GSERVICE"_ns;
+ break;
+ case TRRSkippedReason::TRR_PARENTAL_CONTROL:
+ aName = "TRR_PARENTAL_CONTROL"_ns;
+ break;
+ case TRRSkippedReason::TRR_OFF_EXPLICIT:
+ aName = "TRR_OFF_EXPLICIT"_ns;
+ break;
+ case TRRSkippedReason::TRR_REQ_MODE_DISABLED:
+ aName = "TRR_REQ_MODE_DISABLED"_ns;
+ break;
+ case TRRSkippedReason::TRR_MODE_NOT_ENABLED:
+ aName = "TRR_MODE_NOT_ENABLED"_ns;
+ break;
+ case TRRSkippedReason::TRR_FAILED:
+ aName = "TRR_FAILED"_ns;
+ break;
+ case TRRSkippedReason::TRR_MODE_UNHANDLED_DEFAULT:
+ aName = "TRR_MODE_UNHANDLED_DEFAULT"_ns;
+ break;
+ case TRRSkippedReason::TRR_MODE_UNHANDLED_DISABLED:
+ aName = "TRR_MODE_UNHANDLED_DISABLED"_ns;
+ break;
+ case TRRSkippedReason::TRR_DISABLED_FLAG:
+ aName = "TRR_DISABLED_FLAG"_ns;
+ break;
+ case TRRSkippedReason::TRR_TIMEOUT:
+ aName = "TRR_TIMEOUT"_ns;
+ break;
+ case TRRSkippedReason::TRR_CHANNEL_DNS_FAIL:
+ aName = "TRR_CHANNEL_DNS_FAIL"_ns;
+ break;
+ case TRRSkippedReason::TRR_IS_OFFLINE:
+ aName = "TRR_IS_OFFLINE"_ns;
+ break;
+ case TRRSkippedReason::TRR_NOT_CONFIRMED:
+ aName = "TRR_NOT_CONFIRMED"_ns;
+ break;
+ case TRRSkippedReason::TRR_DID_NOT_MAKE_QUERY:
+ aName = "TRR_DID_NOT_MAKE_QUERY"_ns;
+ break;
+ case TRRSkippedReason::TRR_UNKNOWN_CHANNEL_FAILURE:
+ aName = "TRR_UNKNOWN_CHANNEL_FAILURE"_ns;
+ break;
+ case TRRSkippedReason::TRR_HOST_BLOCKED_TEMPORARY:
+ aName = "TRR_HOST_BLOCKED_TEMPORARY"_ns;
+ break;
+ case TRRSkippedReason::TRR_SEND_FAILED:
+ aName = "TRR_SEND_FAILED"_ns;
+ break;
+ case TRRSkippedReason::TRR_NET_RESET:
+ aName = "TRR_NET_RESET"_ns;
+ break;
+ case TRRSkippedReason::TRR_NET_TIMEOUT:
+ aName = "TRR_NET_TIMEOUT"_ns;
+ break;
+ case TRRSkippedReason::TRR_NET_REFUSED:
+ aName = "TRR_NET_REFUSED"_ns;
+ break;
+ case TRRSkippedReason::TRR_NET_INTERRUPT:
+ aName = "TRR_NET_INTERRUPT"_ns;
+ break;
+ case TRRSkippedReason::TRR_NET_INADEQ_SEQURITY:
+ aName = "TRR_NET_INADEQ_SEQURITY"_ns;
+ break;
+ case TRRSkippedReason::TRR_NO_ANSWERS:
+ aName = "TRR_NO_ANSWERS"_ns;
+ break;
+ case TRRSkippedReason::TRR_DECODE_FAILED:
+ aName = "TRR_DECODE_FAILED"_ns;
+ break;
+ case TRRSkippedReason::TRR_EXCLUDED:
+ aName = "TRR_EXCLUDED"_ns;
+ break;
+ case TRRSkippedReason::TRR_SERVER_RESPONSE_ERR:
+ aName = "TRR_SERVER_RESPONSE_ERR"_ns;
+ break;
+ case TRRSkippedReason::TRR_RCODE_FAIL:
+ aName = "TRR_RCODE_FAIL"_ns;
+ break;
+ case TRRSkippedReason::TRR_NO_CONNECTIVITY:
+ aName = "TRR_NO_CONNECTIVITY"_ns;
+ break;
+ case TRRSkippedReason::TRR_NXDOMAIN:
+ aName = "TRR_NXDOMAIN"_ns;
+ break;
+ case TRRSkippedReason::TRR_REQ_CANCELLED:
+ aName = "TRR_REQ_CANCELLED"_ns;
+ break;
+ case TRRSkippedReason::ODOH_KEY_NOT_USABLE:
+ aName = "ODOH_KEY_NOT_USABLE"_ns;
+ break;
+ case TRRSkippedReason::ODOH_UPDATE_KEY_FAILED:
+ aName = "ODOH_UPDATE_KEY_FAILED"_ns;
+ break;
+ case TRRSkippedReason::ODOH_KEY_NOT_AVAILABLE:
+ aName = "ODOH_KEY_NOT_AVAILABLE"_ns;
+ break;
+ case TRRSkippedReason::ODOH_ENCRYPTION_FAILED:
+ aName = "ODOH_ENCRYPTION_FAILED"_ns;
+ break;
+ case TRRSkippedReason::ODOH_DECRYPTION_FAILED:
+ aName = "ODOH_DECRYPTION_FAILED"_ns;
+ break;
+ case TRRSkippedReason::TRR_HEURISTIC_TRIPPED_GOOGLE_SAFESEARCH:
+ aName = "TRR_HEURISTIC_TRIPPED_GOOGLE_SAFESEARCH"_ns;
+ break;
+ case TRRSkippedReason::TRR_HEURISTIC_TRIPPED_YOUTUBE_SAFESEARCH:
+ aName = "TRR_HEURISTIC_TRIPPED_YOUTUBE_SAFESEARCH"_ns;
+ break;
+ case TRRSkippedReason::TRR_HEURISTIC_TRIPPED_ZSCALER_CANARY:
+ aName = "TRR_HEURISTIC_TRIPPED_ZSCALER_CANARY"_ns;
+ break;
+ case TRRSkippedReason::TRR_HEURISTIC_TRIPPED_CANARY:
+ aName = "TRR_HEURISTIC_TRIPPED_CANARY"_ns;
+ break;
+ case TRRSkippedReason::TRR_HEURISTIC_TRIPPED_MODIFIED_ROOTS:
+ aName = "TRR_HEURISTIC_TRIPPED_MODIFIED_ROOTS"_ns;
+ break;
+ case TRRSkippedReason::TRR_HEURISTIC_TRIPPED_PARENTAL_CONTROLS:
+ aName = "TRR_HEURISTIC_TRIPPED_PARENTAL_CONTROLS"_ns;
+ break;
+ case TRRSkippedReason::TRR_HEURISTIC_TRIPPED_THIRD_PARTY_ROOTS:
+ aName = "TRR_HEURISTIC_TRIPPED_THIRD_PARTY_ROOTS"_ns;
+ break;
+ case TRRSkippedReason::TRR_HEURISTIC_TRIPPED_ENTERPRISE_POLICY:
+ aName = "TRR_HEURISTIC_TRIPPED_ENTERPRISE_POLICY"_ns;
+ break;
+ case TRRSkippedReason::TRR_HEURISTIC_TRIPPED_VPN:
+ aName = "TRR_HEURISTIC_TRIPPED_VPN"_ns;
+ break;
+ case TRRSkippedReason::TRR_HEURISTIC_TRIPPED_PROXY:
+ aName = "TRR_HEURISTIC_TRIPPED_PROXY"_ns;
+ break;
+ case TRRSkippedReason::TRR_HEURISTIC_TRIPPED_NRPT:
+ aName = "TRR_HEURISTIC_TRIPPED_NRPT"_ns;
+ break;
+ default:
+ MOZ_ASSERT(false, "Unknown value");
+ }
+
+ return NS_OK;
+}
+} // namespace mozilla::net
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 12:06:46 +0000