upload android base code part6

android/system/netd/server/ResolverController.h

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+#ifndef _RESOLVER_CONTROLLER_H_
+#define _RESOLVER_CONTROLLER_H_
+
+#include <vector>
+#include <netinet/in.h>
+#include <linux/in.h>
+
+struct __res_params;
+
+namespace android {
+namespace net {
+
+class DumpWriter;
+struct ResolverStats;
+
+class ResolverController {
+public:
+    ResolverController() {};
+
+    virtual ~ResolverController() {};
+
+    // TODO: delete this function
+    int setDnsServers(unsigned netId, const char* searchDomains, const char** servers,
+            int numservers, const __res_params* params);
+
+    // Given a netId and the address of an insecure (i.e. normal) DNS server, this method checks
+    // if there is a known secure DNS server with the same IP address that has been validated as
+    // accessible on this netId.  If so, it returns true, providing the server's address
+    // (including port) and pin fingerprints (possibly empty) in the output parameters.
+    // TODO: Add support for optional stronger security, by returning true even if the secure
+    // server is not accessible.
+    bool shouldUseTls(unsigned netId, const sockaddr_storage& insecureServer,
+            sockaddr_storage* secureServer, std::set<std::vector<uint8_t>>* fingerprints);
+
+    int clearDnsServers(unsigned netid);
+
+    int flushDnsCache(unsigned netid);
+
+    int getDnsInfo(unsigned netId, std::vector<std::string>* servers,
+            std::vector<std::string>* domains, __res_params* params,
+            std::vector<android::net::ResolverStats>* stats);
+
+    // Binder specific functions, which convert between the binder int/string arrays and the
+    // actual data structures, and call setDnsServer() / getDnsInfo() for the actual processing.
+    int setResolverConfiguration(int32_t netId, const std::vector<std::string>& servers,
+            const std::vector<std::string>& domains, const std::vector<int32_t>& params);
+
+    int getResolverInfo(int32_t netId, std::vector<std::string>* servers,
+            std::vector<std::string>* domains, std::vector<int32_t>* params,
+            std::vector<int32_t>* stats);
+    void dump(DumpWriter& dw, unsigned netId);
+
+    int addPrivateDnsServer(const std::string& server, int32_t port,
+            const std::string& fingerprintAlgorithm,
+            const std::set<std::vector<uint8_t>>& fingerprints);
+    int removePrivateDnsServer(const std::string& server);
+};
+
+}  // namespace net
+}  // namespace android
+
+#endif /* _RESOLVER_CONTROLLER_H_ */