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platform_darwin.go
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platform_darwin.go
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package main
import (
"bytes"
"os"
"os/exec"
"os/signal"
"syscall"
"github.com/miekg/dns"
"github.com/nettica-com/nettica-admin/model"
log "github.com/sirupsen/logrus"
)
func GetWireguardPath() string {
return "/usr/local/etc/wireguard/"
}
func GetDataPath() string {
return "/usr/local/etc/nettica/"
}
// Return the platform
func Platform() string {
return "MacOS"
}
func GetStats(net string) (string, error) {
net = Sanitize(net)
// find the utun interface from the network name
file, err := os.ReadFile("/var/run/wireguard/" + net + ".name")
if err != nil {
return "", err
}
utun := string(file)
utun = utun[:len(utun)-1]
args := []string{"show", utun, "transfer"}
out, err := exec.Command("./wg", args...).Output()
if err != nil {
log.Debugf("Error getting statistics: %v (%s)", err, string(out))
return "nodata 0 0", nil
}
return string(out), nil
}
func InstallWireguard(netName string) error {
return StartWireguard(netName)
}
func RemoveWireguard(netName string) error {
return StopWireguard(netName)
}
func StartWireguard(netName string) error {
netName = Sanitize(netName)
go func() {
path := GetWireguardPath() + netName + ".conf"
args := []string{"-f", path}
cmd := exec.Command("./wireguard-go", args...)
var out bytes.Buffer
cmd.Stderr = &out
err := cmd.Start()
if err != nil {
log.Errorf("Error starting WireGuard:%s %v (%s)", netName, err, out.String())
return
}
}()
go func() {
args := []string{"wg-quick", "up", netName}
cmd := exec.Command("./bash", args...)
var out bytes.Buffer
cmd.Stderr = &out
err := cmd.Run()
if err != nil {
log.Errorf("Error starting WireGuard:%s %v (%s)", netName, err, out.String())
return
}
FlushDNS()
}()
return nil
}
func StopWireguard(netName string) error {
netName = Sanitize(netName)
args := []string{"wg-quick", "down", netName}
cmd := exec.Command("./bash", args...)
var out bytes.Buffer
cmd.Stderr = &out
err := cmd.Run()
if err != nil {
log.Errorf("Error stopping WireGuard:%s %v (%s)", netName, err, out.String())
}
// remove the file if it exists
path := GetWireguardPath() + netName + ".conf"
if _, err := os.Stat(path); err == nil {
os.Remove(path)
}
FlushDNS()
return err
}
func IsWireguardRunning(name string) (bool, error) {
name = Sanitize(name)
cmd := exec.Command("wg", "show", name)
err := cmd.Run()
if err != nil {
return false, nil
}
return true, nil
}
func StartContainer(service model.Service) (string, error) {
return "", nil
}
func CheckContainer(service model.Service) bool {
return true
}
func StopContainer(service model.Service) error {
return nil
}
func InService() (bool, error) {
return true, nil
}
func RunService(svcName string) {
DoWork()
sigs := make(chan os.Signal, 1)
done := make(chan bool, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
go func() {
sig := <-sigs
log.Errorf("%v", sig)
done <- true
}()
<-done
log.Info("Exiting")
}
func ServiceManager(svcName string, cmd string) {
}
var AppleServer *DNS_SERVER
func InitializeDNS() error {
AppleServer = &DNS_SERVER{}
go func() {
AppleServer.udp = &dns.Server{Addr: "127.0.0.1:53", Net: "udp", TsigSecret: nil, ReusePort: true}
if err := AppleServer.udp.ListenAndServe(); err != nil {
log.Warnf("UpdateDNS: Failed to setup the UDP DNS server on %s: %s", "127.0.0.1:53", err.Error())
}
}()
go func() {
AppleServer.tcp = &dns.Server{Addr: "127.0.0.1:53", Net: "tcp", TsigSecret: nil, ReusePort: true}
if err := AppleServer.udp.ListenAndServe(); err != nil {
log.Warnf("UpdateDNS: Failed to setup the TCP DNS server on %s: %s", "127.0.0.1:53", err.Error())
}
}()
return nil
}
func LaunchDNS(addr string) (*DNS_SERVER, error) {
return AppleServer, nil
}
func FlushDNS() {
log.Info("==================== Flushing DNS ====================")
go func() {
cmd := exec.Command("dscacheutil", "-flushcache")
err := cmd.Run()
if err != nil {
log.Errorf("Error flushing DNS: %v", err)
}
cmd = exec.Command("killall", "mDNSResponder")
err = cmd.Run()
if err != nil {
log.Errorf("Error flushing DNS: %v", err)
}
}()
}