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69 lines
2.3 KiB
69 lines
2.3 KiB
/* |
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* Copyright (C) 2014 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 NETD_INCLUDE_FWMARK_COMMAND_H |
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#define NETD_INCLUDE_FWMARK_COMMAND_H |
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#include <arpa/inet.h> |
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#include <sys/socket.h> |
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#include <sys/types.h> |
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// Additional information sent with ON_CONNECT_COMPLETE command |
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struct FwmarkConnectInfo { |
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int error; |
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unsigned latencyMs; |
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union { |
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sockaddr s; |
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sockaddr_in sin; |
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sockaddr_in6 sin6; |
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} addr; |
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FwmarkConnectInfo() {} |
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FwmarkConnectInfo(const int connectErrno, const unsigned latency, const sockaddr* saddr) { |
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error = connectErrno; |
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latencyMs = latency; |
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if (saddr->sa_family == AF_INET) { |
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addr.sin = *((struct sockaddr_in*) saddr); |
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} else if (saddr->sa_family == AF_INET6) { |
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addr.sin6 = *((struct sockaddr_in6*) saddr); |
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} else { |
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// Cannot happen because we only call this if shouldSetFwmark returns true, and thus |
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// the address family is one we understand. |
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addr.s.sa_family = AF_UNSPEC; |
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} |
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} |
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}; |
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// Commands sent from clients to the fwmark server to mark sockets (i.e., set their SO_MARK). |
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// ON_CONNECT_COMPLETE command should be accompanied by FwmarkConnectInfo which should contain |
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// info about that connect attempt |
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struct FwmarkCommand { |
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enum { |
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ON_ACCEPT, |
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ON_CONNECT, |
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SELECT_NETWORK, |
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PROTECT_FROM_VPN, |
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SELECT_FOR_USER, |
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QUERY_USER_ACCESS, |
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ON_CONNECT_COMPLETE, |
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} cmdId; |
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unsigned netId; // used only in the SELECT_NETWORK command; ignored otherwise. |
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uid_t uid; // used only in the SELECT_FOR_USER and QUERY_USER_ACCESS commands; |
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// ignored otherwise. |
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}; |
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#endif // NETD_INCLUDE_FWMARK_COMMAND_H
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