github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/utils/netutil/network_darwin.go (about)

     1  /*
     2   * Copyright (C) 2020 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package netutil
    19  
    20  import (
    21  	"fmt"
    22  	"net"
    23  	"os/exec"
    24  
    25  	"github.com/mysteriumnetwork/node/utils/cmdutil"
    26  )
    27  
    28  func assignIP(iface string, subnet net.IPNet) error {
    29  	if err := cmdutil.SudoExec("ifconfig", iface, subnet.String(), peerIP(subnet).String()); err != nil {
    30  		return err
    31  	}
    32  
    33  	if err := cmdutil.SudoExec("ifconfig", iface, "inet6", "100::2"); err != nil {
    34  		return err
    35  	}
    36  
    37  	return nil
    38  }
    39  
    40  func excludeRoute(ip, gw net.IP) error {
    41  	return cmdutil.SudoExec("route", "add", "-host", ip.String(), gw.String())
    42  }
    43  
    44  func deleteRoute(ip, gw string) error {
    45  	return cmdutil.SudoExec("route", "delete", ip, gw)
    46  }
    47  
    48  func addDefaultRoute(iface string) error {
    49  	if err := cmdutil.SudoExec("route", "add", "-net", "0.0.0.0/1", "-interface", iface); err != nil {
    50  		return err
    51  	}
    52  
    53  	if err := cmdutil.SudoExec("route", "add", "-net", "128.0.0.0/1", "-interface", iface); err != nil {
    54  		return err
    55  	}
    56  
    57  	if err := cmdutil.SudoExec("route", "add", "-inet6", "::/1", fmt.Sprintf("100::1%%%s", iface)); err != nil {
    58  		return err
    59  	}
    60  
    61  	if err := cmdutil.SudoExec("route", "add", "-inet6", "8000::/1", fmt.Sprintf("100::1%%%s", iface)); err != nil {
    62  		return err
    63  	}
    64  
    65  	return nil
    66  }
    67  
    68  func peerIP(subnet net.IPNet) net.IP {
    69  	lastOctetID := len(subnet.IP) - 1
    70  	if subnet.IP[lastOctetID] == byte(1) {
    71  		subnet.IP[lastOctetID] = byte(2)
    72  	} else {
    73  		subnet.IP[lastOctetID] = byte(1)
    74  	}
    75  	return subnet.IP
    76  }
    77  
    78  func logNetworkStats() {
    79  	for _, args := range [][]string{{"ifconfig", "-a"}, {"netstat", "-rn"}, {"pfctl", "-s", "all"}} {
    80  		out, err := exec.Command("sudo", args...).CombinedOutput()
    81  		logOutputToTrace(out, err, args...)
    82  	}
    83  }