diff --git a/sleekxmpp/api.py b/sleekxmpp/api.py
index 103de2ff..4004f5b7 100644
--- a/sleekxmpp/api.py
+++ b/sleekxmpp/api.py
@@ -99,7 +99,7 @@ class APIRegistry(object):
         """
         self._setup(ctype, op)
 
-        if jid in (None, ''):
+        if not jid:
             jid = self.xmpp.boundjid
         if jid and not isinstance(jid, JID):
             jid = JID(jid)
@@ -113,7 +113,7 @@ class APIRegistry(object):
             else:
                 jid = jid.full
         else:
-            if self.settings[ctype].get('client_bare', True):
+            if self.settings[ctype].get('client_bare', False):
                 jid = jid.bare
             else:
                 jid = jid.full
diff --git a/sleekxmpp/plugins/xep_0030/disco.py b/sleekxmpp/plugins/xep_0030/disco.py
index 18c1dba2..eeb977b1 100644
--- a/sleekxmpp/plugins/xep_0030/disco.py
+++ b/sleekxmpp/plugins/xep_0030/disco.py
@@ -622,11 +622,7 @@ class XEP_0030(BasePlugin):
         if iq['type'] == 'get':
             log.debug("Received disco info query from " + \
                       "<%s> to <%s>.", iq['from'], iq['to'])
-            if self.xmpp.is_component:
-                jid = iq['to'].full
-            else:
-                jid = iq['to'].bare
-            info = self.api['get_info'](jid,
+            info = self.api['get_info'](iq['to'],
                                         iq['disco_info']['node'],
                                         iq['from'],
                                         iq)
@@ -649,7 +645,7 @@ class XEP_0030(BasePlugin):
                     ito = iq['to'].full
                 else:
                     ito = None
-                self.api['cache_info'](iq['from'].full,
+                self.api['cache_info'](iq['from'],
                                        iq['disco_info']['node'],
                                        ito,
                                        iq)
@@ -667,13 +663,9 @@ class XEP_0030(BasePlugin):
         if iq['type'] == 'get':
             log.debug("Received disco items query from " + \
                       "<%s> to <%s>.", iq['from'], iq['to'])
-            if self.xmpp.is_component:
-                jid = iq['to'].full
-            else:
-                jid = iq['to'].bare
-            items = self.api['get_items'](jid,
+            items = self.api['get_items'](iq['to'],
                                           iq['disco_items']['node'],
-                                          iq['from'].full,
+                                          iq['from'],
                                           iq)
             if isinstance(items, Iq):
                 items.send()
diff --git a/sleekxmpp/plugins/xep_0030/static.py b/sleekxmpp/plugins/xep_0030/static.py
index 8dd412d4..dd5317d1 100644
--- a/sleekxmpp/plugins/xep_0030/static.py
+++ b/sleekxmpp/plugins/xep_0030/static.py
@@ -237,7 +237,7 @@ class StaticDisco(object):
         with self.lock:
             if not self.node_exists(jid, node):
                 if not node:
-                    return DiscoInfo()
+                    return DiscoItems()
                 else:
                     raise XMPPError(condition='item-not-found')
             else:
@@ -424,9 +424,6 @@ class StaticDisco(object):
         The data parameter is not used.
         """
         with self.lock:
-            if isinstance(jid, JID):
-                jid = jid.full
-
             if not self.node_exists(jid, node, ifrom):
                 return None
             else:
diff --git a/sleekxmpp/plugins/xep_0115/caps.py b/sleekxmpp/plugins/xep_0115/caps.py
index b0cba42d..9c93486b 100644
--- a/sleekxmpp/plugins/xep_0115/caps.py
+++ b/sleekxmpp/plugins/xep_0115/caps.py
@@ -78,11 +78,12 @@ class XEP_0115(BasePlugin):
         disco = self.xmpp['xep_0030']
         self.static = StaticCaps(self.xmpp, disco.static)
 
-        self.api.settings['client_bare'] = False
-        self.api.settings['component_bare'] = False
         for op in self._disco_ops:
             self.api.register(getattr(self.static, op), op, default=True)
 
+        for op in ('supports', 'has_identity'):
+            self.xmpp['xep_0030'].api.register(getattr(self.static, op), op)
+
         self._run_node_handler = disco._run_node_handler
 
         disco.cache_caps = self.cache_caps