Rework https checker

[dane-monitoring-plugins.git] / check_dane / https.py

diff --git a/check_dane/https.py b/check_dane/https.py
new file mode 100644 (file)
index 0000000..c437e47
--- /dev/null
+++ b/check_dane/https.py
@@ -0,0 +1,88 @@
+#!/usr/bin/python3
+
+from __future__ import print_function
+
+import sys
+import argparse
+import logging
+
+from socket import socket
+
+from check_dane.tlsa import get_tlsa_records, match_tlsa_records
+from check_dane.cert import verify_certificate, add_certificate_options
+from check_dane.abstract import DaneChecker
+
+
+from ssl import SSLContext, PROTOCOL_TLSv1_2, CERT_REQUIRED
+
+
+class HttpsDaneChecker(DaneChecker):
+    def _init_connection(self, family, host, port):
+        connection = self._sslcontext.wrap_socket(socket(family),
+                                                  server_hostname=host)
+        connection.connect((host, port))
+        connection.send(b"HEAD / HTTP/1.1\r\nHost: %s\r\n\r\n" % host.encode())
+        answer = connection.recv(512)
+        logging.debug(answer)
+
+        return connection
+
+
+    @property
+    def port(self):
+        return 443
+
+    
+    def _close_connection(self, connection):
+        connection.close()
+
+        
+    def __init__(self):
+        DaneChecker.__init__(self)
+
+
+    def set_args(self, args):
+        DaneChecker.set_args(self, args)
+        
+        sslcontext = SSLContext(PROTOCOL_TLSv1_2)
+        sslcontext.verify_mode = CERT_REQUIRED
+        sslcontext.load_verify_locations(args.castore)
+
+        self._sslcontext = sslcontext
+
+        
+    def generate_menu(self, argparser):
+        DaneChecker.generate_menu(self, argparser)
+        argparser.add_argument("-p", "--port",
+                               action="store", type=int, default=443,
+                               help="HTTPS port")
+
+        
+
+
+def main():
+    logging.basicConfig(format='%(levelname)5s %(message)s')
+    checker = HttpsDaneChecker()
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument("--verbose", action="store_true")
+    parser.add_argument("--quiet", action="store_true")
+
+    checker.generate_menu(parser)
+    add_certificate_options(parser)
+
+    args = parser.parse_args()
+    checker.set_args(args)
+
+    if args.verbose:
+        logging.getLogger().setLevel(logging.DEBUG)
+    elif args.quiet:
+        logging.getLogger().setLevel(logging.WARNING)
+    else:
+        logging.getLogger().setLevel(logging.INFO)
+    
+    return checker.check()
+
+if __name__ == '__main__':
+    import sys
+    sys.exit(main())