add 'verify' subcommand

[stack/cam.git] / cam / ca.py

diff --git a/cam/ca.py b/cam/ca.py
index 3344c43..f906819 100644 (file)
--- a/cam/ca.py
+++ b/cam/ca.py
@@ -28,7 +28,7 @@ class CA(object):
         self.basedir = basedir
         self.config = {'basedir': basedir, 'default_days': '365', 'ou': 'CA',
                        'days': '3650', 'country': 'XX', 'crl_url': '',
-                       'signature_algorithm': 'sha1', 'bits': '2048'}
+                       'signature_algorithm': 'sha256', 'bits': '2048'}
         self.config.update(config)
         self.files = _CAFiles(basedir, 
                               conf='conf/ca.conf',
@@ -156,6 +156,15 @@ class CA(object):
             '-key', self._getpw())
         self.gencrl()
 
+    def verify(self, path):
+        log.info('verifying certificate %s', path)
+        args = ['verify', '-CAfile', self.files.public_key, path]
+        try:
+            openssl_wrap.run(*args, CAROOT=os.path.abspath(self.basedir))
+        except openssl_wrap.CommandError:
+            return False
+        return True
+
     def generate(self, cert):
         self._update_config()