move setting global TLS parameters to init to prevent -race from complaining (#532)

Author: phillip-stephens

tls.go

@@ -4,19 +4,24 @@ import (
 	"encoding/base64"
 	"encoding/csv"
 	"fmt"
+	"github.com/zmap/zcrypto/encoding/asn1"
+	"github.com/zmap/zcrypto/x509/pkix"
 	"io/ioutil"
 	"os"
 	"strconv"
 	"strings"
 	"time"
 
 	log "github.com/sirupsen/logrus"
-	"github.com/zmap/zcrypto/encoding/asn1"
 	"github.com/zmap/zcrypto/tls"
 	"github.com/zmap/zcrypto/x509"
-	"github.com/zmap/zcrypto/x509/pkix"
 )
 
+func init() {
+	asn1.AllowPermissiveParsing = true
+	pkix.LegacyNameString = true
+}
+
 // Shared code for TLS scans.
 // Example usage:
 // (include TLSFlags in ScanFlags implementation)
@@ -149,9 +154,6 @@ func (t *TLSFlags) GetTLSConfigForTarget(target *ScanTarget) (*tls.Config, error
 		}
 	}
 
-	asn1.AllowPermissiveParsing = true
-	pkix.LegacyNameString = true
-
 	if t.NextProtos != "" {
 		// TODO: Different format?
 		ret.NextProtos = getCSV(t.NextProtos)