statusd.py: extend the logging

logs now the common name and serial number from client certificate. display_peercert() new.

statusd.py

@@ -92,10 +92,13 @@ def print_ciphers(cipherlist):
 
 def display_peercert(cert):
     for i in cert.keys():
-        print(i)
-        for j in cert[i]:
-            print('\t{}'.format(j))
-    return
+        print('{}:'.format(i))
+        if i in ('subject', 'issuer'):
+            for j in cert[i]:
+                print('\t{}'.format(j))
+        else:
+            print('\t{}'.format(cert[i]))
+    return True
 
 
 def receive_buffer_is_valid(raw_data):
@@ -208,10 +211,8 @@ def main():
         'VERBOSITY': 'info'
         }
     CONFIG_FILE = './statusd.conf'
-    FINGERPRINT = \
-    '35:8E:35:FA:58:0A:DD:2B:C8:6A:F9:EA:A3:7B:10:F5:62:89:AB:D0:AB:53:3E:B5:8B:AB:E1:23:CF:93:F5:F9'
 
-    loglevel = logging.DEBUG
+    loglevel = logging.INFO
     logging.basicConfig(format='%(levelname)s: %(message)s', level=loglevel)
     read_config(CONFIG_FILE, CONFIG)
     print_config(CONFIG)
@@ -255,7 +256,9 @@ def main():
                 try:
                     conn = context.wrap_socket(fromSocket, server_side = True)
                     # display_peercert(conn.getpeercert())
-                    logging.debug('SSL established. Peer: {}'.format(conn.getpeercert()))
+                    logging.info('SSL connection established')
+                    logging.info('commonName: {}'.format(conn.getpeercert()['subject'][5][0][1]))
+                    logging.info('serialNumber: {}'.format(conn.getpeercert()['serialNumber']))
                 except Exception as e:
                     logging.error('SSL handshake failed: {}'.format(e))
                 raw_data = conn.recv(1)
@@ -276,7 +279,6 @@ def main():
                         conn.send(b'\x03')
                 sleep(0.1) # protection against dos
             except KeyboardInterrupt:
-                print('\rExit')
                 logging.info('Exit')
                 exit()
             except Exception as e: