diff --git a/README b/README
index 2246116..98c7dd2 100644
--- a/README
+++ b/README
@@ -19,3 +19,8 @@
  - Kerberos: TODO
  - RADIUS: TODO
  - Inside: Going away
+
+
+# TODO
+ - finish auth backend.
+ - allow non LDAP-users (conditional LDAP-stuff), because we don't want LDAP filled with non-active members
\ No newline at end of file
diff --git a/main/authentication.py b/main/authentication.py
new file mode 100644
index 0000000..e39bcf2
--- /dev/null
+++ b/main/authentication.py
@@ -0,0 +1,76 @@
+from django.contrib.auth.models import User, Group
+from django.db import connections
+
+
+class InsideBackend(object):
+    """
+    Authenticate against the inside database
+    """
+
+    def authenticate(self, username=None, password=None):
+        row = None
+        cur = connections['inside'].cursor()
+        try:
+            cur.execute("SELECT id,firstname,lastname,email FROM din_user WHERE password=PASSWORD(%s) AND (username=%s OR email=%s)", [password, username, username])
+            row = cur.fetchone()
+        except Exception as e:
+            # FIXME errorhandling
+            print "Auth ERROR: {}".format(e)
+            raise e
+        finally:
+            cur.close()
+
+        if row:
+            try:
+                user = User.objects.get(username=username)
+            except User.DoesNotExist:
+                # Create a new user.
+                user = User(username=username, password=password)
+
+            user = self._update_user_details(user, row)  # Saves user object
+            user = self._update_groups(user, row)
+
+            return user
+
+        return None
+
+    def get_user(self, user_id):
+        try:
+            return User.objects.get(pk=user_id)
+        except User.DoesNotExist:
+            return None
+
+    def _update_user_details(self, user, row):
+        uid, first_name, last_name, email = row
+        user.first_name = first_name
+        user.last_name = last_name
+        user.email = email
+        user.save()
+        return user
+
+    def _update_groups(self, user, user_row):
+        groups = None
+        cur = connections['inside'].cursor()
+        user_id = user_row[0]
+
+        existing_groups = list(user.groups.all())
+        try:
+            cur.execute("SELECT g.posix_group FROM din_user AS u LEFT JOIN din_usergrouprelationship AS ugr ON u.id = ugr.user_id LEFT JOIN din_group AS g ON ugr.group_id = g.id WHERE u.id = %s AND g.posix_group != ''", (int(user_row[0]),))
+            groups = map(lambda x: x[0], cur.fetchall())
+            for group in groups:
+                g, created = Group.objects.get_or_create(name=group)
+                user.groups.add(g)
+
+            # Remove old relationships
+            # TODO: if setting is set, not tested
+            for g in existing_groups:
+                if g.name not in groups:
+                    user.groups.remove(g)
+
+        except Exception as e:
+            # FIXME errorhandling
+            print "ERROR: {}".format(e)
+        finally:
+            cur.close()
+
+        return user
diff --git a/main/views.py b/main/views.py
index 7265769..ed61c5f 100644
--- a/main/views.py
+++ b/main/views.py
@@ -38,14 +38,15 @@ def index(request):
 @login_required
 def profile(request):
     username = request.user.username
+    groups = request.user.groups.all()
     ldap_user = None
     try:
         ldap_user = LdapUser.objects.get(username=username)
     except:
         return render_to_response('private/profile.html', locals(), context_instance=RequestContext(request))
 
-    groups = LdapGroup.objects.filter(usernames__contains=username)
-    private_group = LdapGroup.objects.get(gid=ldap_user.group)
+    ldap_groups = LdapGroup.objects.filter(usernames__contains=username)
+    ldap_private_group = LdapGroup.objects.get(gid=ldap_user.group)
 
     return render_to_response('private/profile.html', locals(), context_instance=RequestContext(request))
 
diff --git a/templates/private/profile.html b/templates/private/profile.html
index d92fd01..73f3c0a 100644
--- a/templates/private/profile.html
+++ b/templates/private/profile.html
@@ -8,9 +8,9 @@
     <h2>Om deg</h2>
     <div class="well">
         <ul>
-            <li><strong>Brukernavn</strong>: {{ldap_user.username}}</li>
-            <li><strong>Navn</strong>: {{ldap_user.full_name}}</li>
-            <li><strong>Mail</strong>: {{ldap_user.email}}</li>
+            <li><strong>Brukernavn</strong>: {{user.username}}</li>
+            <li><strong>Navn</strong>: {{user.first_name}} {{user.last_name}}</li>
+            <li><strong>Mail</strong>: {{user.email}}</li>
         </ul>
     </div>
     </section>
@@ -28,7 +28,7 @@
         <div class="well">
             <ul>
             {% if groups %}
-                <li>{{ private_group }}</li>
+                {% if ldap_private_group %}<li>{{ ldap_private_group }}</li>{% endif %}
                 {% for group in groups %}
                 {% if group = "dns-aktiv" %}
                     <li title="Du har tilgang til foreningsmaskinene.">{{ group }}</li>