From 6904422f3e8ca95ece5a309ef121a6cd6159e0a8 Mon Sep 17 00:00:00 2001
From: Magnus Ahltorp <map@kth.se>
Date: Thu, 6 Aug 2015 15:35:22 +0200
Subject: Add tests for precerts.

---
 Makefile             |  7 +++++
 tools/comparecert.py | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 85 insertions(+)
 create mode 100755 tools/comparecert.py

diff --git a/Makefile b/Makefile
index f7f27a9..4cc0330 100644
--- a/Makefile
+++ b/Makefile
@@ -92,6 +92,13 @@ tests-run:
 	@(cd $(INSTDIR) && python ../tools/check-sth.py --publickey=tests/keys/logkey.pem --cafile tests/httpsca/demoCA/cacert.pem https://localhost:8080/) || (echo "Check failed" ; false)
 	@(cd $(INSTDIR) && mkdir fetchcertstore)
 	@(cd $(INSTDIR) && python ../tools/fetchallcerts.py $(BASEURL) --store fetchcertstore --publickey=tests/keys/logkey.pem --cafile tests/httpsca/demoCA/cacert.pem) || (echo "Verification failed" ; false)
+	@(cd $(INSTDIR)/fetchcertstore && unzip 0000.zip)
+	@(cd $(INSTDIR) && python ../tools/comparecert.py ../tools/testcerts/cert1.txt fetchcertstore/00000000) || (echo "Verification failed" ; false)
+	@(cd $(INSTDIR) && python ../tools/comparecert.py ../tools/testcerts/cert2.txt fetchcertstore/00000001) || (echo "Verification failed" ; false)
+	@(cd $(INSTDIR) && python ../tools/comparecert.py ../tools/testcerts/cert3.txt fetchcertstore/00000002) || (echo "Verification failed" ; false)
+	@(cd $(INSTDIR) && python ../tools/comparecert.py ../tools/testcerts/cert4.txt fetchcertstore/00000003) || (echo "Verification failed" ; false)
+	@(cd $(INSTDIR) && python ../tools/comparecert.py ../tools/testcerts/cert5.txt fetchcertstore/00000004) || (echo "Verification failed" ; false)
+	@(cd $(INSTDIR) && python ../tools/comparecert.py ../tools/testcerts/pre1.txt:../tools/testcerts/pre2.txt fetchcertstore/00000005:fetchcertstore/00000006) || (echo "Verification failed" ; false)
 
 tests-run2:
 	@(cd $(INSTDIR) ; python ../tools/verifysct.py --sct-file=submittedcerts --parallel 1 $(BASEURL) --publickey=tests/keys/logkey.pem --cafile tests/httpsca/demoCA/cacert.pem) || echo "Verification of SCT:s failed"
diff --git a/tools/comparecert.py b/tools/comparecert.py
new file mode 100755
index 0000000..81893f7
--- /dev/null
+++ b/tools/comparecert.py
@@ -0,0 +1,78 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2014, NORDUnet A/S.
+# See LICENSE for licensing information.
+
+import argparse
+import urllib2
+import urllib
+import json
+import base64
+import sys
+import struct
+import hashlib
+import itertools
+from certtools import *
+from certtools import *
+from precerttools import *
+import os
+import signal
+import select
+import zipfile
+
+def readfile(filename):
+    contents = open(filename).read()
+    certchain = get_certs_from_string(contents)
+    precerts = get_precerts_from_string(contents)
+    return (certchain, precerts)
+
+def testcerts(template, test):
+    (certchain1, precerts1) = template
+    (certchain2, precerts2) = test
+
+    if precerts1 != precerts2:
+        return (False, "precerts are different")
+
+    if certchain1 == certchain2:
+        return (True, "")
+
+    if len(certchain2) == len(certchain1) + 1:
+        if certchain2[:-1] != certchain1:
+            return (False, "certchains are different")
+        last_issuer = get_cert_info(certchain1[-1])["issuer"]
+        root_subject = get_cert_info(certchain2[-1])["subject"]
+        if last_issuer == root_subject:
+            return (True, "fetched chain has an appended root cert")
+        else:
+            return (False, "fetched chain has an extra entry")
+
+    return (False, "certchains are different")
+
+parser = argparse.ArgumentParser(description='')
+parser.add_argument('templates', help="Test templates, separated with colon")
+parser.add_argument('test', help="Files to test, separated with colon")
+args = parser.parse_args()
+
+templates = [readfile(filename) for filename in args.templates.split(":")]
+
+tests = [readfile(filename) for filename in args.test.split(":")]
+
+
+for test in tests:
+    found = False
+    errors = []
+    for template in templates:
+        (result, message) = testcerts(template, test)
+        if result:
+            print message
+            found = True
+            templates.remove(template)
+            break
+        else:
+            errors.append(message)
+    if not found:
+        print "Matching template not found for test"
+        for error in errors:
+            print error
+        sys.exit(1)
+sys.exit(0)
-- 
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