IKEv1 XAuth: Added a "NULL" XAuth plugin which sends a hardcoded user/pass, and blindly accepts whatever user/pass is sent it. Changed the xauth_request task to use this new plugin. Add --enable-xauth-null to your configure line to build with the new plugin.

src/libcharon/plugins/xauth_null/Makefile.am

@@ -0,0 +1,16 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \
+	-I$(top_srcdir)/src/libcharon
+
+AM_CFLAGS = -rdynamic
+
+if MONOLITHIC
+noinst_LTLIBRARIES = libstrongswan-xauth-null.la
+else
+plugin_LTLIBRARIES = libstrongswan-xauth-null.la
+endif
+
+libstrongswan_xauth_null_la_SOURCES = \
+	xauth_null_plugin.h xauth_null_plugin.c xauth_null.h xauth_null.c
+
+libstrongswan_xauth_null_la_LDFLAGS = -module -avoid-version