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  }