1 files changed, 9 insertions, 0 deletions

diff --git a/src/regress/lib/libtls/gotls/tls.go b/src/regress/lib/libtls/gotls/tls.go
index cf3e84c030..3601828884 100644
--- a/src/regress/lib/libtls/gotls/tls.go
+++ b/src/regress/lib/libtls/gotls/tls.go
@@ -202,6 +202,15 @@ func (t *TLS) PeerCertIssuer() (string, error) {
         return C.GoString(issuer), nil
 }
 
+// PeerCertCommonName returns the common name of the peer certificate.
+func (t *TLS) PeerCertCommonName() (string, error) {
+        commonName := C.tls_peer_cert_common_name(t.ctx)
+        if commonName == nil {
+                return "", errors.New("no peer cert common name returned")
+        }
+        return C.GoString(commonName), nil
+}
+
 // PeerCertSubject returns the subject of the peer certificate.
 func (t *TLS) PeerCertSubject() (string, error) {
         subject := C.tls_peer_cert_subject(t.ctx)