Add initial support and docs for Windows (#132)

- Add initial support for Windows
- Update docs
- Fix issue with openvpn 2.6 data-ciphers

pkg/vpn/client.go

@@ -2,11 +2,10 @@ package vpn
 
 import (
 	"os"
+	"runtime"
 
 	"github.com/davegallant/vpngate/pkg/exec"
 	"github.com/juju/errors"
-	"github.com/nxadm/tail"
-	"github.com/rs/zerolog/log"
 )
 
 // Connect to a specified OpenVPN configuration
@@ -17,17 +16,11 @@ func Connect(configPath string) error {
 	}
 	defer os.Remove(tmpLogFile.Name())
 
-	go func() {
-		// Tail the temporary openvpn log file
-		t, err := tail.TailFile(tmpLogFile.Name(), tail.Config{Follow: true})
-		if err != nil {
-			log.Error().Msgf("%s", err)
-		}
-		for line := range t.Lines {
-			log.Debug().Msg(line.Text)
-		}
-	}()
+	executable := "openvpn"
+	if runtime.GOOS == "windows" {
+		executable = "C:\\Program Files\\OpenVPN\\bin\\openvpn.exe"
+	}
 
-	_, err = exec.Run("openvpn", ".", "--verb", "4", "--log", tmpLogFile.Name(), "--config", configPath)
+	err = exec.Run(executable, ".", "--verb", "4", "--config", configPath, "--data-ciphers", "AES-128-CBC")
 	return err
 }