78 lines
3 KiB
C++
78 lines
3 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _RESOLVER_CONTROLLER_H_
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#define _RESOLVER_CONTROLLER_H_
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#include <vector>
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#include <netinet/in.h>
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#include <linux/in.h>
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struct __res_params;
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namespace android {
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namespace net {
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class DumpWriter;
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struct ResolverStats;
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class ResolverController {
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public:
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ResolverController() {};
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virtual ~ResolverController() {};
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// TODO: delete this function
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int setDnsServers(unsigned netId, const char* searchDomains, const char** servers,
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int numservers, const __res_params* params);
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// Given a netId and the address of an insecure (i.e. normal) DNS server, this method checks
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// if there is a known secure DNS server with the same IP address that has been validated as
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// accessible on this netId. If so, it returns true, providing the server's address
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// (including port) and pin fingerprints (possibly empty) in the output parameters.
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// TODO: Add support for optional stronger security, by returning true even if the secure
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// server is not accessible.
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bool shouldUseTls(unsigned netId, const sockaddr_storage& insecureServer,
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sockaddr_storage* secureServer, std::set<std::vector<uint8_t>>* fingerprints);
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int clearDnsServers(unsigned netid);
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int flushDnsCache(unsigned netid);
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int getDnsInfo(unsigned netId, std::vector<std::string>* servers,
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std::vector<std::string>* domains, __res_params* params,
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std::vector<android::net::ResolverStats>* stats);
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// Binder specific functions, which convert between the binder int/string arrays and the
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// actual data structures, and call setDnsServer() / getDnsInfo() for the actual processing.
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int setResolverConfiguration(int32_t netId, const std::vector<std::string>& servers,
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const std::vector<std::string>& domains, const std::vector<int32_t>& params);
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int getResolverInfo(int32_t netId, std::vector<std::string>* servers,
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std::vector<std::string>* domains, std::vector<int32_t>* params,
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std::vector<int32_t>* stats);
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void dump(DumpWriter& dw, unsigned netId);
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int addPrivateDnsServer(const std::string& server, int32_t port,
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const std::string& fingerprintAlgorithm,
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const std::set<std::vector<uint8_t>>& fingerprints);
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int removePrivateDnsServer(const std::string& server);
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};
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} // namespace net
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} // namespace android
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#endif /* _RESOLVER_CONTROLLER_H_ */
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