mirror of
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113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsDNSService2_h__
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#define nsDNSService2_h__
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#include "DNSServiceBase.h"
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#include "nsClassHashtable.h"
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#include "nsPIDNSService.h"
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#include "nsIIDNService.h"
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#include "nsIMemoryReporter.h"
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#include "nsIObserver.h"
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#include "nsHostResolver.h"
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#include "nsString.h"
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#include "nsTHashSet.h"
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#include "nsHashKeys.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/Attributes.h"
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#include "TRRService.h"
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class nsAuthSSPI;
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class nsDNSService final : public mozilla::net::DNSServiceBase,
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public nsPIDNSService,
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public nsIMemoryReporter {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSPIDNSSERVICE
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NS_DECL_NSIDNSSERVICE
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NS_DECL_NSIOBSERVER
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NS_DECL_NSIMEMORYREPORTER
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nsDNSService() = default;
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static already_AddRefed<nsIDNSService> GetXPCOMSingleton();
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size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;
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bool GetOffline() const;
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protected:
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friend class nsAuthSSPI;
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nsresult DeprecatedSyncResolve(
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const nsACString& aHostname, uint32_t flags,
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const mozilla::OriginAttributes& aOriginAttributes,
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nsIDNSRecord** result);
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private:
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~nsDNSService() = default;
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void ReadPrefs(const char* name) override;
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static already_AddRefed<nsDNSService> GetSingleton();
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uint16_t GetAFForLookup(const nsACString& host, uint32_t flags);
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nsresult PreprocessHostname(bool aLocalDomain, const nsACString& aInput,
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nsIIDNService* aIDN, nsACString& aACE);
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nsresult AsyncResolveInternal(
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const nsACString& aHostname, uint16_t type, uint32_t flags,
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nsIDNSResolverInfo* aResolver, nsIDNSListener* aListener,
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nsIEventTarget* target_,
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const mozilla::OriginAttributes& aOriginAttributes,
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nsICancelable** result);
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nsresult CancelAsyncResolveInternal(
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const nsACString& aHostname, uint16_t aType, uint32_t aFlags,
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nsIDNSResolverInfo* aResolver, nsIDNSListener* aListener,
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nsresult aReason, const mozilla::OriginAttributes& aOriginAttributes);
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nsresult ResolveInternal(const nsACString& aHostname, uint32_t flags,
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const mozilla::OriginAttributes& aOriginAttributes,
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nsIDNSRecord** result);
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// Locks the mutex and returns an addreffed resolver. May return null.
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already_AddRefed<nsHostResolver> GetResolverLocked();
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RefPtr<nsHostResolver> mResolver;
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nsCOMPtr<nsIIDNService> mIDN;
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// mLock protects access to mResolver, mLocalDomains, mIPv4OnlyDomains and
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// mFailedSVCDomainNames
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mozilla::Mutex mLock{"nsDNSServer.mLock"};
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// mIPv4OnlyDomains is a comma-separated list of domains for which only
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// IPv4 DNS lookups are performed. This allows the user to disable IPv6 on
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// a per-domain basis and work around broken DNS servers. See bug 68796.
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nsCString mIPv4OnlyDomains;
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nsCString mForceResolve;
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bool mDisableIPv6 = false;
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bool mBlockDotOnion = false;
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bool mNotifyResolution = false;
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bool mOfflineLocalhost = false;
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bool mForceResolveOn = false;
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nsTHashSet<nsCString> mLocalDomains;
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RefPtr<mozilla::net::TRRService> mTrrService;
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uint32_t mResCacheEntries = 0;
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uint32_t mResCacheExpiration = 0;
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uint32_t mResCacheGrace = 0;
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bool mResolverPrefsUpdated = false;
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bool mODoHActivated = false;
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nsClassHashtable<nsCStringHashKey, nsTArray<nsCString>> mFailedSVCDomainNames;
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};
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already_AddRefed<nsIDNSService> GetOrInitDNSService();
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#endif // nsDNSService2_h__
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