forked from mirrors/gecko-dev
64 lines
2.3 KiB
C++
64 lines
2.3 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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#include "DNSServiceBase.h"
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#include "DNS.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/StaticPrefs_network.h"
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#include "nsIDNSService.h"
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#include "nsIProtocolProxyService2.h"
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#include "nsIPrefBranch.h"
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namespace mozilla::net {
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static const char kPrefProxyType[] = "network.proxy.type";
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static const char kPrefDisablePrefetch[] = "network.dns.disablePrefetch";
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static const char kPrefNetworkProxySOCKS[] = "network.proxy.socks";
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NS_IMPL_ISUPPORTS(DNSServiceBase, nsIObserver)
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void DNSServiceBase::AddPrefObserver(nsIPrefBranch* aPrefs) {
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aPrefs->AddObserver(kPrefProxyType, this, false);
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aPrefs->AddObserver(kPrefDisablePrefetch, this, false);
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// Monitor these to see if there is a change in proxy configuration
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aPrefs->AddObserver(kPrefNetworkProxySOCKS, this, false);
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}
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void DNSServiceBase::ReadPrefs(const char* aName) {
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if (!aName || !strcmp(aName, kPrefNetworkProxySOCKS)) {
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nsAutoCString socks;
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if (NS_SUCCEEDED(Preferences::GetCString(kPrefNetworkProxySOCKS, socks))) {
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mHasSocksProxy = !socks.IsEmpty();
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}
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}
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if (!aName || !strcmp(aName, kPrefDisablePrefetch) ||
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!strcmp(aName, kPrefProxyType)) {
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mDisablePrefetch = Preferences::GetBool(kPrefDisablePrefetch, false) ||
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(StaticPrefs::network_proxy_type() ==
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nsIProtocolProxyService::PROXYCONFIG_MANUAL);
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}
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}
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bool DNSServiceBase::DNSForbiddenByActiveProxy(const nsACString& aHostname,
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uint32_t aFlags) {
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if (aFlags & nsIDNSService::RESOLVE_IGNORE_SOCKS_DNS) {
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return false;
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}
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// We should avoid doing DNS when a proxy is in use.
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if (StaticPrefs::network_proxy_type() ==
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nsIProtocolProxyService::PROXYCONFIG_MANUAL &&
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mHasSocksProxy && StaticPrefs::network_proxy_socks_remote_dns()) {
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// Allow IP lookups through, but nothing else.
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if (!HostIsIPLiteral(aHostname)) {
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return true;
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}
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}
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return false;
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}
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} // namespace mozilla::net
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