1 files changed, 0 insertions, 103 deletions
diff --git a/helper/args.go b/helper/args.go
deleted file mode 100644
index 7a67269..0000000
--- a/helper/args.go
+++ /dev/null
@@ -1,103 +0,0 @@
-package main
-
-import (
-	"log"
-	"net"
-	"os"
-	"regexp"
-	"strconv"
-)
-
-const (
-	// TODO: this is the nameserver for tcp, but for udp is 10.42.0.1
-	//       the nameserver pick up should be dependent on the proto being used
-	nameserver = "10.41.0.1"
-)
-
-var (
-	fixedArgs = []string{
-		"--nobind",
-		"--client",
-		"--dev", "tun",
-		"--tls-client",
-		"--remote-cert-tls", "server",
-		"--dhcp-option", "DNS", nameserver,
-		"--log", logFolder + "openvpn.log",
-	}
-
-	allowendArgs = map[string][]string{
-		"--remote":            []string{"IP", "NUMBER", "PROTO"},
-		"--tls-cipher":        []string{"CIPHER"},
-		"--cipher":            []string{"CIPHER"},
-		"--auth":              []string{"CIPHER"},
-		"--management-client": []string{},
-		"--management":        []string{"IP", "NUMBER"},
-		"--cert":              []string{"FILE"},
-		"--key":               []string{"FILE"},
-		"--ca":                []string{"FILE"},
-		"--fragment":          []string{"NUMBER"},
-		"--keepalive":         []string{"NUMBER", "NUMBER"},
-		"--verb":              []string{"NUMBER"},
-		"--tun-ipv6":          []string{},
-	}
-
-	cipher  = regexp.MustCompile("^[A-Z0-9-]+$")
-	formats = map[string]func(s string) bool{
-		"NUMBER": isNumber,
-		"PROTO":  isProto,
-		"IP":     isIP,
-		"CIPHER": cipher.MatchString,
-		"FILE":   isFile,
-	}
-)
-
-func parseOpenvpnArgs(args []string) []string {
-	newArgs := fixedArgs
-	newArgs = append(newArgs, platformOpenvpnFlags...)
-	for i := 0; i < len(args); i++ {
-		params, ok := allowendArgs[args[i]]
-		if !ok {
-			log.Printf("Invalid openvpn arg: %s", args[i])
-			continue
-		}
-		for j, arg := range args[i+1 : i+len(params)+1] {
-			if !formats[params[j]](arg) {
-				ok = false
-				break
-			}
-		}
-		if ok {
-			newArgs = append(newArgs, args[i:i+len(params)+1]...)
-			i = i + len(params)
-		} else {
-			log.Printf("Invalid openvpn arg params: %v", args[i:i+len(params)+1])
-		}
-	}
-	return newArgs
-}
-
-func isNumber(s string) bool {
-	_, err := strconv.Atoi(s)
-	return err == nil
-}
-
-func isProto(s string) bool {
-	for _, proto := range []string{"tcp", "udp", "tcp4", "udp4", "tcp6", "udp6"} {
-		if s == proto {
-			return true
-		}
-	}
-	return false
-}
-
-func isIP(s string) bool {
-	return net.ParseIP(s) != nil
-}
-
-func isFile(s string) bool {
-	info, err := os.Stat(s)
-	if err != nil {
-		return false
-	}
-	return !info.IsDir()
-}