| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <set> |
| #include <string> |
| #include <vector> |
| |
| #include <netinet/in.h> |
| |
| #include <params.h> |
| |
| #include "IPrivateDnsServer.h" |
| |
| namespace android { |
| namespace net { |
| |
| // DnsTlsServer represents a recursive resolver that supports, or may support, a |
| // secure protocol. |
| struct DnsTlsServer : public IPrivateDnsServer { |
| // Default constructor. |
| DnsTlsServer() {} |
| |
| explicit DnsTlsServer(const netdutils::IPAddress& ip) |
| : DnsTlsServer(netdutils::IPSockAddr(ip, 853)) {} |
| explicit DnsTlsServer(const netdutils::IPSockAddr& addr) : ss(addr) {} |
| |
| // The server location, including IP and port. |
| // TODO: make it const. |
| sockaddr_storage ss = {}; |
| |
| // The server's hostname. If this string is nonempty, the server must present a |
| // certificate that indicates this name and has a valid chain to a trusted root CA. |
| // TODO: make it const. |
| std::string name; |
| |
| // The certificate of the CA that signed the server's certificate. |
| // It is used to store temporary test CA certificate for internal tests. |
| // TODO: make it const. |
| std::string certificate; |
| |
| // Placeholder. More protocols might be defined in the future. |
| // TODO: make it const. |
| int protocol = IPPROTO_TCP; |
| |
| // Exact comparison of DnsTlsServer objects |
| bool operator<(const DnsTlsServer& other) const; |
| bool operator==(const DnsTlsServer& other) const; |
| |
| bool wasExplicitlyConfigured() const; |
| std::string toIpString() const; |
| |
| PrivateDnsTransport transport() const override { return PrivateDnsTransport::kDot; } |
| std::string provider() const override { return name; } |
| netdutils::IPSockAddr addr() const override { return netdutils::IPSockAddr::toIPSockAddr(ss); } |
| uint32_t validationMark() const override { return mark; } |
| |
| Validation validationState() const override { return mValidation; } |
| void setValidationState(Validation val) override { mValidation = val; } |
| bool probe() override { |
| // TODO: implement it. |
| return false; |
| } |
| |
| // The socket mark used for validation. |
| // Note that the mark of a connection to which the DnsResolver sends app's DNS requests can |
| // be different. |
| // TODO: make it const. |
| uint32_t mark = 0; |
| |
| // Return whether or not the server can be used for a network. It depends on |
| // the resolver configuration. |
| bool active() const override { return mActive; } |
| void setActive(bool val) override { mActive = val; } |
| |
| private: |
| // State, unrelated to the comparison of DnsTlsServer objects. |
| Validation mValidation = Validation::unknown_server; |
| bool mActive = false; |
| }; |
| |
| // This comparison only checks the IP address. It ignores ports, names, and fingerprints. |
| struct AddressComparator { |
| bool operator()(const DnsTlsServer& x, const DnsTlsServer& y) const; |
| }; |
| |
| } // namespace net |
| } // namespace android |