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