--- a/libpurple/protocols/jabber/auth.c Tue Aug 31 02:28:05 2010 +0000 +++ b/libpurple/protocols/jabber/auth.c Tue Aug 31 02:52:28 2010 +0000 @@ -251,7 +251,8 @@ g_free(msg); } else if (type == JABBER_IQ_RESULT) { query = xmlnode_get_child(packet, "query"); - if(js->stream_id && xmlnode_get_child(query, "digest")) { + if (js->stream_id && *js->stream_id && + xmlnode_get_child(query, "digest")) { char *s, *hash; iq = jabber_iq_new_query(js, JABBER_IQ_SET, "jabber:iq:auth"); @@ -269,8 +270,10 @@ g_free(s); jabber_iq_set_callback(iq, auth_old_result_cb, NULL); jabber_iq_send(iq); - - } else if(js->stream_id && (x = xmlnode_get_child(query, "crammd5"))) { + } else if ((x = xmlnode_get_child(query, "crammd5"))) { + /* For future reference, this appears to be a custom OS X extension + * to non-SASL authentication. + */ const char *challenge; gchar digest[33]; PurpleCipherContext *hmac;