work with SNI

[tls-check.git] / tls-check

diff --git a/tls-check b/tls-check
index 84ca0094df53a911e9a739d536b388fcb958282d..8be067e5e678a2ca01dc20c99946b3e91b179020 100755 (executable)
--- a/tls-check
+++ b/tls-check
@@ -59,7 +59,7 @@ def test_cipher(host, port, protocol, cipher = None, wait_time=0, options=[]):
     try:
         if cipher is not None:
             options = ["-cipher", cipher]+options
-        subprocess.check_call(["openssl", "s_client", "-"+protocol, "-connect", host+":"+str(port)]+options,
+        subprocess.check_call(["openssl", "s_client", "-"+protocol, "-connect", host+":"+str(port), "-servername", host]+options,
                               stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
     except subprocess.CalledProcessError:
         return False
@@ -119,6 +119,10 @@ class CipherPropsProvider:
         self.props = {}
     
     def getProps(self, protocol, cipher):
+        # strip the sub-version-number from the protocol
+        pos = protocol.find('_')
+        if pos >= 0:
+            protocol = protocol[:pos]
         # as OpenSSL about this cipher
         cipherInfo = subprocess.check_output(["openssl", "ciphers", "-v", "-"+protocol, cipher]).decode('UTF-8').strip()
         assert '\n' not in cipherInfo, "Cipher "+cipher+" produced unexpected output:\n"+cipherInfo