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// Copyright 2018 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_config.h"
#include <utility>
#include "base/numerics/safe_conversions.h"
#include "base/values.h"
#include "net/dns/public/dns_over_https_config.h"
namespace net {
// Default values are taken from glibc resolv.h except |fallback_period| which
// is set to |kDnsDefaultFallbackPeriod|.
DnsConfig::DnsConfig() : DnsConfig(std::vector<IPEndPoint>()) {}
DnsConfig::DnsConfig(const DnsConfig& other) = default;
DnsConfig::DnsConfig(DnsConfig&& other) = default;
DnsConfig::DnsConfig(std::vector<IPEndPoint> nameservers)
: nameservers(std::move(nameservers)) {}
DnsConfig::~DnsConfig() = default;
DnsConfig& DnsConfig::operator=(const DnsConfig& other) = default;
DnsConfig& DnsConfig::operator=(DnsConfig&& other) = default;
bool DnsConfig::Equals(const DnsConfig& d) const {
return EqualsIgnoreHosts(d) && (hosts == d.hosts);
}
bool DnsConfig::operator==(const DnsConfig& d) const {
return Equals(d);
}
bool DnsConfig::operator!=(const DnsConfig& d) const {
return !Equals(d);
}
bool DnsConfig::EqualsIgnoreHosts(const DnsConfig& d) const {
return (nameservers == d.nameservers) &&
(dns_over_tls_active == d.dns_over_tls_active) &&
(dns_over_tls_hostname == d.dns_over_tls_hostname) &&
(search == d.search) && (unhandled_options == d.unhandled_options) &&
(append_to_multi_label_name == d.append_to_multi_label_name) &&
(ndots == d.ndots) && (fallback_period == d.fallback_period) &&
(attempts == d.attempts) && (doh_attempts == d.doh_attempts) &&
(rotate == d.rotate) && (use_local_ipv6 == d.use_local_ipv6) &&
(doh_config == d.doh_config) &&
(secure_dns_mode == d.secure_dns_mode) &&
(allow_dns_over_https_upgrade == d.allow_dns_over_https_upgrade);
}
void DnsConfig::CopyIgnoreHosts(const DnsConfig& d) {
nameservers = d.nameservers;
dns_over_tls_active = d.dns_over_tls_active;
dns_over_tls_hostname = d.dns_over_tls_hostname;
search = d.search;
unhandled_options = d.unhandled_options;
append_to_multi_label_name = d.append_to_multi_label_name;
ndots = d.ndots;
fallback_period = d.fallback_period;
attempts = d.attempts;
doh_attempts = d.doh_attempts;
rotate = d.rotate;
use_local_ipv6 = d.use_local_ipv6;
doh_config = d.doh_config;
secure_dns_mode = d.secure_dns_mode;
allow_dns_over_https_upgrade = d.allow_dns_over_https_upgrade;
}
base::Value::Dict DnsConfig::ToDict() const {
base::Value::Dict dict;
base::Value::List nameserver_list;
for (const auto& nameserver : nameservers)
nameserver_list.Append(nameserver.ToString());
dict.Set("nameservers", std::move(nameserver_list));
dict.Set("dns_over_tls_active", dns_over_tls_active);
dict.Set("dns_over_tls_hostname", dns_over_tls_hostname);
base::Value::List suffix_list;
for (const auto& suffix : search)
suffix_list.Append(suffix);
dict.Set("search", std::move(suffix_list));
dict.Set("unhandled_options", unhandled_options);
dict.Set("append_to_multi_label_name", append_to_multi_label_name);
dict.Set("ndots", ndots);
dict.Set("timeout", fallback_period.InSecondsF());
dict.Set("attempts", attempts);
dict.Set("doh_attempts", doh_attempts);
dict.Set("rotate", rotate);
dict.Set("use_local_ipv6", use_local_ipv6);
dict.Set("num_hosts", static_cast<int>(hosts.size()));
dict.Set("doh_config", doh_config.ToValue());
dict.Set("secure_dns_mode", base::strict_cast<int>(secure_dns_mode));
dict.Set("allow_dns_over_https_upgrade", allow_dns_over_https_upgrade);
return dict;
}
} // namespace net
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