Tests: added test for TLS with IP in SAN.

test/test_tls.py

@@ -423,6 +423,29 @@ basicConstraints = critical,CA:TRUE"""
         }, 'subject alt_names'
         assert cert['chain'][0]['issuer']['common_name'] == 'root', 'issuer'
 
+    def test_tls_certificate_empty_cn_san_ip(self):
+        self.certificate('root', False)
+
+        self.openssl_conf(
+            rewrite=True,
+            alt_names=['example.com', 'www.example.net', 'IP|10.0.0.1'],
+        )
+
+        self.req(subject='/')
+
+        self.generate_ca_conf()
+        self.ca()
+
+        self.set_certificate_req_context()
+
+        assert 'success' in self.certificate_load('localhost', 'localhost')
+
+        cert = self.conf_get('/certificates/localhost')
+        assert cert['chain'][0]['subject'] == {
+            'alt_names': ['example.com', 'www.example.net']
+        }, 'subject alt_names'
+        assert cert['chain'][0]['issuer']['common_name'] == 'root', 'issuer'
+
     @pytest.mark.skip('not yet')
     def test_tls_reconfigure(self):
         self.load('empty')

test/unit/applications/tls.py

@@ -76,7 +76,12 @@ class TestApplicationTLS(TestApplicationProto):
         # Generates alt_names section with dns names
         a_names = "[alt_names]\n"
         for i, k in enumerate(alt_names, 1):
-            a_names += "DNS.%d = %s\n" % (i, k)
+            k = k.split('|')
+
+            if k[0] == 'IP':
+                a_names += "IP.%d = %s\n" % (i, k[1])
+            else:
+                a_names += "DNS.%d = %s\n" % (i, k[0])
 
         # Generates section for sign request extension
         a_sec = """req_extensions = myca_req_extensions