dns_util.cc | Explore in Territory

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "net/dns/dns_util.h"

#include <errno.h>
#include <limits.h>
#include <stdint.h>

#include <cstring>
#include <string>
#include <string_view>
#include <unordered_map>
#include <vector>

#include "base/check_op.h"
#include "base/containers/contains.h"
#include "base/feature_list.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram_macros.h"
#include "base/numerics/byte_conversions.h"
#include "base/ranges/algorithm.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "build/build_config.h"
#include "net/dns/public/dns_protocol.h"
#include "net/dns/public/doh_provider_entry.h"
#include "net/dns/public/util.h"
#include "net/third_party/uri_template/uri_template.h"

#if BUILDFLAG(IS_POSIX)
#include <net/if.h>
#include <netinet/in.h>
#if !BUILDFLAG(IS_ANDROID)
#include <ifaddrs.h>
#endif  // !BUILDFLAG(IS_ANDROID)
#endif  // BUILDFLAG(IS_POSIX)

#if BUILDFLAG(IS_ANDROID)
#include "net/android/network_library.h"
#endif

namespace net {
namespace {

DohProviderEntry::List GetDohProviderEntriesFromNameservers(
    const std::vector<IPEndPoint>& dns_servers) { … }

}  // namespace

std::string GetURLFromTemplateWithoutParameters(const string& server_template) { … }

namespace {

bool GetTimeDeltaForConnectionTypeFromFieldTrial(
    const char* field_trial,
    NetworkChangeNotifier::ConnectionType type,
    base::TimeDelta* out) { … }

}  // namespace

base::TimeDelta GetTimeDeltaForConnectionTypeFromFieldTrialOrDefault(
    const char* field_trial,
    base::TimeDelta default_delta,
    NetworkChangeNotifier::ConnectionType type) { … }

std::string CreateNamePointer(uint16_t offset) { … }

uint16_t DnsQueryTypeToQtype(DnsQueryType dns_query_type) { … }

DnsQueryType AddressFamilyToDnsQueryType(AddressFamily address_family) { … }

std::vector<DnsOverHttpsServerConfig> GetDohUpgradeServersFromDotHostname(
    const std::string& dot_server) { … }

std::vector<DnsOverHttpsServerConfig> GetDohUpgradeServersFromNameservers(
    const std::vector<IPEndPoint>& dns_servers) { … }

std::string GetDohProviderIdForHistogramFromServerConfig(
    const DnsOverHttpsServerConfig& doh_server) { … }

std::string GetDohProviderIdForHistogramFromNameserver(
    const IPEndPoint& nameserver) { … }

std::string SecureDnsModeToString(const SecureDnsMode secure_dns_mode) { … }

}  // namespace net
chromium/net/dns/dns_util.cc
