ndex: versioncontrol/svn_fs.py
===================================================================
--- versioncontrol/svn_fs.py	(revision 6673)
+++ versioncontrol/svn_fs.py	(working copy)
@@ -848,6 +848,15 @@
        # we _hope_ it's UTF-8, but can't be 100% sure (#4321)
        message = message and to_unicode(message, 'utf-8')
        author = author and to_unicode(author, 'utf-8')
+
+        # If the author looks like an x509 Distingished Name (DN)
+        # then extract just the CN (Common Name). XX and emailAddress?
+        if author:
+          if author.find('/CN=') > -1:
+           author= author[author.find('/CN=')+4:];
+           if (author.find('/') > -1):
+              author= author[:author.find('/')]
+
        _date = self._get_prop(core.SVN_PROP_REVISION_DATE)
        if _date:
            ts = core.svn_time_from_cstring(_date, self.pool()) / 1000000
Index: web/auth.py
===================================================================
--- web/auth.py	(revision 6673)
+++ web/auth.py	(working copy)
@@ -75,6 +75,18 @@
        if self.ignore_case:
            authname = authname.lower()

+        # If the author looks like an x509 Distingished Name (DN)
+        # then extract just the CN (Common Name). Note that we
+        # should not concat things like <emailAddress> as the
+        # very same name is also used for XS controls - and then
+        # becomes hard to enter from trac-admin.
+        #
+        if author:
+          if author.find('/CN=') > -1:
+           author= author[author.find('/CN=')+4:];
+           if (author.find('/') > -1):
+              author= author[:author.find('/')]
+
        return authname