github.com/psiphon-labs/psiphon-tunnel-core@v2.0.28+incompatible/psiphon/net_darwin.go (about) 1 /* 2 * Copyright (c) 2017, Psiphon Inc. 3 * All rights reserved. 4 * 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation, either version 3 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 */ 19 20 package psiphon 21 22 import ( 23 "net" 24 "strconv" 25 "syscall" 26 27 "github.com/Psiphon-Labs/psiphon-tunnel-core/psiphon/common/errors" 28 "golang.org/x/net/bpf" 29 ) 30 31 func ClientBPFEnabled() bool { 32 return false 33 } 34 35 func setSocketBPF(_ []bpf.RawInstruction, _ int) error { 36 return errors.TraceNew("BPF not supported") 37 } 38 39 func setAdditionalSocketOptions(socketFd int) { 40 syscall.SetsockoptInt(socketFd, syscall.SOL_SOCKET, syscall.SO_NOSIGPIPE, 1) 41 } 42 43 func makeLocalProxyListener(listenIP string, port int) (net.Listener, bool, error) { 44 listener, err := net.Listen("tcp", net.JoinHostPort(listenIP, strconv.Itoa(port))) 45 if err != nil { 46 return nil, IsAddressInUseError(err), errors.Trace(err) 47 } 48 return listener, false, nil 49 }