Imported Upstream version 5.1.1

22 files changed, 3806 insertions, 0 deletions

diff --git a/src/libtnccs/plugins/tnccs_11/Makefile.am b/src/libtnccs/plugins/tnccs_11/Makefile.am
new file mode 100644
index 000000000..cbe0b8e19
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/Makefile.am
@@ -0,0 +1,33 @@
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/src/libstrongswan \
+	-I$(top_srcdir)/src/libtls \
+	-I$(top_srcdir)/src/libtncif \
+	-I$(top_srcdir)/src/libtnccs
+
+AM_CFLAGS = \
+	${xml_CFLAGS} \
+	-rdynamic
+
+libstrongswan_tnccs_11_la_LIBADD = ${xml_LIBS}
+
+if MONOLITHIC
+noinst_LTLIBRARIES = libstrongswan-tnccs-11.la
+else
+plugin_LTLIBRARIES = libstrongswan-tnccs-11.la
+libstrongswan_tnccs_11_la_LIBADD += \
+	$(top_builddir)/src/libtncif/libtncif.la \
+	$(top_builddir)/src/libtnccs/libtnccs.la
+endif
+
+libstrongswan_tnccs_11_la_SOURCES = \
+	tnccs_11_plugin.h tnccs_11_plugin.c tnccs_11.h tnccs_11.c \
+	batch/tnccs_batch.h batch/tnccs_batch.c \
+	messages/tnccs_msg.h messages/tnccs_msg.c \
+	messages/imc_imv_msg.h messages/imc_imv_msg.c \
+	messages/tnccs_error_msg.h messages/tnccs_error_msg.c \
+	messages/tnccs_preferred_language_msg.h messages/tnccs_preferred_language_msg.c \
+	messages/tnccs_reason_strings_msg.h messages/tnccs_reason_strings_msg.c \
+	messages/tnccs_recommendation_msg.h messages/tnccs_recommendation_msg.c \
+	messages/tnccs_tncs_contact_info_msg.h messages/tnccs_tncs_contact_info_msg.c
+
+libstrongswan_tnccs_11_la_LDFLAGS = -module -avoid-version
diff --git a/src/libtnccs/plugins/tnccs_11/Makefile.in b/src/libtnccs/plugins/tnccs_11/Makefile.in
new file mode 100644
index 000000000..76b453a0a
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/Makefile.in
@@ -0,0 +1,824 @@
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+	messages/imc_imv_msg.lo messages/tnccs_error_msg.lo \
+	messages/tnccs_preferred_language_msg.lo \
+	messages/tnccs_reason_strings_msg.lo \
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+	-I$(top_srcdir)/src/libstrongswan \
+	-I$(top_srcdir)/src/libtls \
+	-I$(top_srcdir)/src/libtncif \
+	-I$(top_srcdir)/src/libtnccs
+
+AM_CFLAGS = \
+	${xml_CFLAGS} \
+	-rdynamic
+
+libstrongswan_tnccs_11_la_LIBADD = ${xml_LIBS} $(am__append_1)
+@MONOLITHIC_TRUE@noinst_LTLIBRARIES = libstrongswan-tnccs-11.la
+@MONOLITHIC_FALSE@plugin_LTLIBRARIES = libstrongswan-tnccs-11.la
+libstrongswan_tnccs_11_la_SOURCES = \
+	tnccs_11_plugin.h tnccs_11_plugin.c tnccs_11.h tnccs_11.c \
+	batch/tnccs_batch.h batch/tnccs_batch.c \
+	messages/tnccs_msg.h messages/tnccs_msg.c \
+	messages/imc_imv_msg.h messages/imc_imv_msg.c \
+	messages/tnccs_error_msg.h messages/tnccs_error_msg.c \
+	messages/tnccs_preferred_language_msg.h messages/tnccs_preferred_language_msg.c \
+	messages/tnccs_reason_strings_msg.h messages/tnccs_reason_strings_msg.c \
+	messages/tnccs_recommendation_msg.h messages/tnccs_recommendation_msg.c \
+	messages/tnccs_tncs_contact_info_msg.h messages/tnccs_tncs_contact_info_msg.c
+
+libstrongswan_tnccs_11_la_LDFLAGS = -module -avoid-version
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
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+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/libtnccs/plugins/tnccs_11/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/libtnccs/plugins/tnccs_11/Makefile
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+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
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+	esac;
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+	locs=`for p in $$list; do echo $$p; done | \
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+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+
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+	@$(NORMAL_INSTALL)
+	@list='$(plugin_LTLIBRARIES)'; test -n "$(plugindir)" || list=; \
+	list2=; for p in $$list; do \
+	  if test -f $$p; then \
+	    list2="$$list2 $$p"; \
+	  else :; fi; \
+	done; \
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+	}
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+	@list='$(plugin_LTLIBRARIES)'; test -n "$(plugindir)" || list=; \
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+	  $(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(plugindir)/$$f'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(plugindir)/$$f"; \
+	done
+
+clean-pluginLTLIBRARIES:
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+	@list='$(plugin_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+batch/$(am__dirstamp):
+	@$(MKDIR_P) batch
+	@: > batch/$(am__dirstamp)
+batch/$(DEPDIR)/$(am__dirstamp):
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+	@: > batch/$(DEPDIR)/$(am__dirstamp)
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+	batch/$(DEPDIR)/$(am__dirstamp)
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+	@: > messages/$(am__dirstamp)
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+	@: > messages/$(DEPDIR)/$(am__dirstamp)
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+	messages/$(DEPDIR)/$(am__dirstamp)
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+	messages/$(DEPDIR)/$(am__dirstamp)
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+	messages/$(DEPDIR)/$(am__dirstamp)
+messages/tnccs_tncs_contact_info_msg.lo: messages/$(am__dirstamp) \
+	messages/$(DEPDIR)/$(am__dirstamp)
+
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+	$(AM_V_CCLD)$(libstrongswan_tnccs_11_la_LINK) $(am_libstrongswan_tnccs_11_la_rpath) $(libstrongswan_tnccs_11_la_OBJECTS) $(libstrongswan_tnccs_11_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+	-rm -f batch/*.$(OBJEXT)
+	-rm -f batch/*.lo
+	-rm -f messages/*.$(OBJEXT)
+	-rm -f messages/*.lo
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tnccs_11.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/tnccs_11_plugin.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@batch/$(DEPDIR)/tnccs_batch.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@messages/$(DEPDIR)/imc_imv_msg.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@messages/$(DEPDIR)/tnccs_error_msg.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@messages/$(DEPDIR)/tnccs_msg.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@messages/$(DEPDIR)/tnccs_preferred_language_msg.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@messages/$(DEPDIR)/tnccs_reason_strings_msg.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@messages/$(DEPDIR)/tnccs_recommendation_msg.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@messages/$(DEPDIR)/tnccs_tncs_contact_info_msg.Plo@am__quote@
+
+.c.o:
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+	-rm -rf batch/.libs batch/_libs
+	-rm -rf messages/.libs messages/_libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
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+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+	for dir in "$(DESTDIR)$(plugindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+	-rm -f batch/$(DEPDIR)/$(am__dirstamp)
+	-rm -f batch/$(am__dirstamp)
+	-rm -f messages/$(DEPDIR)/$(am__dirstamp)
+	-rm -f messages/$(am__dirstamp)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	clean-pluginLTLIBRARIES mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR) batch/$(DEPDIR) messages/$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-pluginLTLIBRARIES
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+install-dvi: install-dvi-am
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+install-dvi-am:
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+install-exec-am:
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+install-html: install-html-am
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+install-html-am:
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+install-ps-am:
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+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR) batch/$(DEPDIR) messages/$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
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+mostlyclean: mostlyclean-am
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+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
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+ps-am:
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+uninstall-am: uninstall-pluginLTLIBRARIES
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+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstLTLIBRARIES clean-pluginLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-pluginLTLIBRARIES install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
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+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-pluginLTLIBRARIES
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/libtnccs/plugins/tnccs_11/batch/tnccs_batch.c b/src/libtnccs/plugins/tnccs_11/batch/tnccs_batch.c
new file mode 100644
index 000000000..660ba179d
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/batch/tnccs_batch.c
@@ -0,0 +1,325 @@
+/*
+ * Copyright (C) 2006 Mike McCauley (mikem@open.com.au)
+ * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "tnccs_batch.h"
+#include "messages/tnccs_error_msg.h"
+
+#include <tnc/tnccs/tnccs.h>
+
+#include <collections/linked_list.h>
+#include <utils/debug.h>
+
+#include <libxml/parser.h>
+
+#define TNCCS_NS	"http://www.trustedcomputinggroup.org/IWG/TNC/1_0/IF_TNCCS#"
+#define SCHEMA_NS	"http://www.w3.org/2001/XMLSchema-instance"
+#define TNCCS_XSD	"https://www.trustedcomputinggroup.org/XML/SCHEMA/TNCCS_1.0.xsd"
+
+typedef struct private_tnccs_batch_t private_tnccs_batch_t;
+
+/**
+ * Private data of a tnccs_batch_t object.
+ *
+ */
+struct private_tnccs_batch_t {
+	/**
+	 * Public tnccs_batch_t interface.
+	 */
+	tnccs_batch_t public;
+
+	/**
+	 * Batch ID
+	 */
+	int batch_id;
+
+	/**
+	 * TNCC if TRUE, TNCS if FALSE
+	 */
+	bool is_server;
+
+	/**
+	 * linked list of TNCCS messages
+	 */
+	linked_list_t *messages;
+
+	/**
+	 * linked list of TNCCS error messages
+	 */
+	linked_list_t *errors;
+
+	/**
+	 * XML document
+	 */
+	xmlDocPtr doc;
+
+	/**
+	 * Encoded message
+	 */
+	chunk_t encoding;
+};
+
+METHOD(tnccs_batch_t, get_encoding, chunk_t,
+	private_tnccs_batch_t *this)
+{
+	return this->encoding;
+}
+
+METHOD(tnccs_batch_t, add_msg, void,
+	private_tnccs_batch_t *this, tnccs_msg_t* msg)
+{
+	xmlNodePtr root;
+
+	DBG2(DBG_TNC, "adding %N message", tnccs_msg_type_names,
+									   msg->get_type(msg));
+	this->messages->insert_last(this->messages, msg);
+	root = xmlDocGetRootElement(this->doc);
+	xmlAddChild(root, msg->get_node(msg));
+}
+
+METHOD(tnccs_batch_t, build, void,
+	private_tnccs_batch_t *this)
+{
+	xmlChar *xmlbuf;
+	int buf_size;
+
+	xmlDocDumpFormatMemory(this->doc, &xmlbuf, &buf_size, 1);
+	this->encoding = chunk_create(xmlbuf, buf_size);
+	this->encoding = chunk_clone(this->encoding);
+	xmlFree(xmlbuf);
+}
+
+METHOD(tnccs_batch_t, process, status_t,
+	private_tnccs_batch_t *this)
+{
+	tnccs_msg_t *tnccs_msg, *msg;
+	tnccs_error_type_t error_type = TNCCS_ERROR_OTHER;
+	char *error_msg, buf[BUF_LEN];
+	xmlNodePtr cur;
+	xmlNsPtr ns;
+	xmlChar *batchid, *recipient;
+	int batch_id;
+
+	this->doc = xmlParseMemory(this->encoding.ptr, this->encoding.len);
+	if (!this->doc)
+	{
+		error_type = TNCCS_ERROR_MALFORMED_BATCH;
+		error_msg = "failed to parse XML message";
+		goto fatal;
+	}
+
+	/* check out the XML document */
+	cur = xmlDocGetRootElement(this->doc);
+	if (!cur)
+	{
+		error_type = TNCCS_ERROR_MALFORMED_BATCH;
+		error_msg = "empty XML document";
+		goto fatal;
+	}
+
+	/* check TNCCS namespace */
+	ns = xmlSearchNsByHref(this->doc, cur, TNCCS_NS);
+	if (!ns)
+	{
+		error_type = TNCCS_ERROR_MALFORMED_BATCH;
+		error_msg = "TNCCS namespace not found";
+		goto fatal;
+	}
+
+	/* check XML document type */
+	if (xmlStrcmp(cur->name, "TNCCS-Batch"))
+	{
+		error_type = TNCCS_ERROR_MALFORMED_BATCH;
+		error_msg = buf;
+		snprintf(buf, BUF_LEN, "wrong XML document type '%s', expected TNCCS-Batch",
+								cur->name);
+		goto fatal;
+	}
+
+	/* check presence of BatchID property */
+	batchid = xmlGetProp(cur, "BatchId");
+	if (!batchid)
+	{
+		error_type = TNCCS_ERROR_INVALID_BATCH_ID;
+		error_msg = "BatchId is missing";
+		goto fatal;
+	}
+
+	/* check BatchID */
+	batch_id = atoi((char*)batchid);
+	xmlFree(batchid);
+	if (batch_id != this->batch_id)
+	{
+		error_type = TNCCS_ERROR_INVALID_BATCH_ID;
+		error_msg = buf;
+		snprintf(buf, BUF_LEN, "BatchId %d expected, got %d", this->batch_id,
+															  batch_id);
+		goto fatal;
+	}
+
+	/* check presence of Recipient property */
+	recipient = xmlGetProp(cur, "Recipient");
+	if (!recipient)
+	{
+		error_type = TNCCS_ERROR_INVALID_RECIPIENT_TYPE;
+		error_msg = "Recipient is missing";
+		goto fatal;
+	}
+
+	/* check recipient */
+	if (!streq(recipient, this->is_server ? "TNCS" : "TNCC"))
+	{
+		error_type = TNCCS_ERROR_INVALID_RECIPIENT_TYPE;
+		error_msg =	buf;
+		snprintf(buf, BUF_LEN, "message recipient expected '%s', got '%s'",
+				 this->is_server ? "TNCS" : "TNCC", recipient);
+		xmlFree(recipient);
+		goto fatal;
+	}
+	xmlFree(recipient);
+
+	DBG2(DBG_TNC, "processing TNCCS Batch #%d", batch_id);
+
+	/* Now walk the tree, handling message nodes as we go */
+	for (cur = cur->xmlChildrenNode; cur != NULL; cur = cur->next)
+	{
+		/* ignore empty or blank nodes */
+		if (xmlIsBlankNode(cur))
+		{
+			continue;
+		}
+
+		/* ignore nodes with wrong namespace */
+		if (cur->ns != ns)
+		{
+			DBG1(DBG_TNC, "ignoring message node '%s' having wrong namespace",
+						  cur->name);
+			continue;
+		}
+
+		tnccs_msg = tnccs_msg_create_from_node(cur, this->errors);
+
+		/* exit if a message parsing error occurred */
+		if (this->errors->get_count(this->errors) > 0)
+		{
+			return FAILED;
+		}
+
+		/* ignore unrecognized messages */
+		if (!tnccs_msg)
+		{
+			continue;
+		}
+
+		this->messages->insert_last(this->messages, tnccs_msg);
+	}
+	return SUCCESS;
+
+fatal:
+	msg = tnccs_error_msg_create(error_type, error_msg);
+	this->errors->insert_last(this->errors, msg);
+	return FAILED;
+}
+
+METHOD(tnccs_batch_t, create_msg_enumerator, enumerator_t*,
+	private_tnccs_batch_t *this)
+{
+	return this->messages->create_enumerator(this->messages);
+}
+
+METHOD(tnccs_batch_t, create_error_enumerator, enumerator_t*,
+	private_tnccs_batch_t *this)
+{
+	return this->errors->create_enumerator(this->errors);
+}
+
+METHOD(tnccs_batch_t, destroy, void,
+	private_tnccs_batch_t *this)
+{
+	this->messages->destroy_offset(this->messages,
+								   offsetof(tnccs_msg_t, destroy));
+	this->errors->destroy_offset(this->errors,
+								   offsetof(tnccs_msg_t, destroy));
+	xmlFreeDoc(this->doc);
+	free(this->encoding.ptr);
+	free(this);
+}
+
+/**
+ * See header
+ */
+tnccs_batch_t* tnccs_batch_create(bool is_server, int batch_id)
+{
+	private_tnccs_batch_t *this;
+	xmlNodePtr n;
+	xmlNsPtr ns_xsi;
+	char buf[12];
+
+	INIT(this,
+		.public = {
+			.get_encoding = _get_encoding,
+			.add_msg = _add_msg,
+			.build = _build,
+			.process = _process,
+			.create_msg_enumerator = _create_msg_enumerator,
+			.create_error_enumerator = _create_error_enumerator,
+			.destroy = _destroy,
+		},
+		.is_server = is_server,
+		.messages = linked_list_create(),
+		.errors = linked_list_create(),
+		.batch_id = batch_id,
+		.doc = xmlNewDoc("1.0"),
+	);
+
+	DBG2(DBG_TNC, "creating TNCCS Batch #%d", this->batch_id);
+	n = xmlNewNode(NULL, "TNCCS-Batch");
+	xmlNewNs(n, TNCCS_NS, NULL);
+	ns_xsi = xmlNewNs(n, SCHEMA_NS, "xsi");
+	snprintf(buf, sizeof(buf), "%d", batch_id);
+	xmlNewProp(n, "BatchId", buf);
+	xmlNewProp(n, "Recipient", this->is_server ? "TNCC" : "TNCS");
+	xmlNewNsProp(n, ns_xsi, "schemaLocation", TNCCS_NS " " TNCCS_XSD);
+	xmlDocSetRootElement(this->doc, n);
+
+	return &this->public;
+}
+
+/**
+ * See header
+ */
+tnccs_batch_t* tnccs_batch_create_from_data(bool is_server, int batch_id, chunk_t data)
+{
+	private_tnccs_batch_t *this;
+
+	INIT(this,
+		.public = {
+			.get_encoding = _get_encoding,
+			.add_msg = _add_msg,
+			.build = _build,
+			.process = _process,
+			.create_msg_enumerator = _create_msg_enumerator,
+			.create_error_enumerator = _create_error_enumerator,
+			.destroy = _destroy,
+		},
+		.is_server = is_server,
+		.batch_id = batch_id,
+		.messages = linked_list_create(),
+		.errors = linked_list_create(),
+		.encoding = chunk_clone(data),
+	);
+
+	return &this->public;
+}
+
diff --git a/src/libtnccs/plugins/tnccs_11/batch/tnccs_batch.h b/src/libtnccs/plugins/tnccs_11/batch/tnccs_batch.h
new file mode 100644
index 000000000..25301f763
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/batch/tnccs_batch.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_batch tnccs_batch
+ * @{ @ingroup tnccs_11
+ */
+
+#ifndef TNCCS_BATCH_H_
+#define TNCCS_BATCH_H_
+
+typedef enum tnccs_batch_type_t tnccs_batch_type_t;
+typedef struct tnccs_batch_t tnccs_batch_t;
+
+#include "messages/tnccs_msg.h"
+
+#include <library.h>
+
+/**
+ * Interface for a TNCCS 1.x Batch.
+ */
+struct tnccs_batch_t {
+
+	/**
+	 * Get the encoding of the TNCCS 1.x Batch
+	 *
+	 * @return				encoded TNCCS 1.x batch
+	 */
+	chunk_t (*get_encoding)(tnccs_batch_t *this);
+
+	/**
+	 * Add TNCCS message
+	 *
+	 * @param msg			TNCCS message to be addedd
+	 */
+	void (*add_msg)(tnccs_batch_t *this, tnccs_msg_t* msg);
+
+	/**
+	 * Build the TNCCS 1.x Batch
+	 */
+	void (*build)(tnccs_batch_t *this);
+
+	/**
+	 * Process the TNCCS 1.x Batch
+	 *
+	 * @return				return processing status
+	 */
+	status_t (*process)(tnccs_batch_t *this);
+
+	/**
+	 * Enumerates over all TNCCS Messages
+	 *
+	 * @return				return message enumerator
+	 */
+	enumerator_t* (*create_msg_enumerator)(tnccs_batch_t *this);
+
+	/**
+	 * Enumerates over all parsing errors
+	 *
+	 * @return				return error enumerator
+	 */
+	enumerator_t* (*create_error_enumerator)(tnccs_batch_t *this);
+
+	/**
+	 * Destroys a tnccs_batch_t object.
+	 */
+	void (*destroy)(tnccs_batch_t *this);
+};
+
+/**
+ * Create an empty TNCCS 1.x Batch
+ *
+ * @param is_server			TRUE if server, FALSE if client
+ * @param batch_id			number of the batch to be sent
+ */
+tnccs_batch_t* tnccs_batch_create(bool is_server, int batch_id);
+
+/**
+ * Create an unprocessed TNCCS 1.x Batch from data
+ *
+ * @param  is_server		TRUE if server, FALSE if client
+ * @param batch_id			current Batch ID
+ * @param  data				encoded PB-TNC batch
+ */
+tnccs_batch_t* tnccs_batch_create_from_data(bool is_server, int batch_id,
+											chunk_t data);
+
+#endif /** TNCCS_BATCH_H_ @}*/
diff --git a/src/libtnccs/plugins/tnccs_11/messages/imc_imv_msg.c b/src/libtnccs/plugins/tnccs_11/messages/imc_imv_msg.c
new file mode 100644
index 000000000..f0e821c8c
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/imc_imv_msg.c
@@ -0,0 +1,243 @@
+/*
+ * Copyright (C) 2006 Mike McCauley (mikem@open.com.au)
+ * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "imc_imv_msg.h"
+
+#include <tnc/tnccs/tnccs.h>
+
+#include <utils/lexparser.h>
+#include <utils/debug.h>
+
+typedef struct private_imc_imv_msg_t private_imc_imv_msg_t;
+
+#define BYTES_PER_LINE	57
+
+/**
+ * Private data of a imc_imv_msg_t object.
+ *
+ */
+struct private_imc_imv_msg_t {
+	/**
+	 * Public imc_imv_msg_t interface.
+	 */
+	imc_imv_msg_t public;
+
+	/**
+	 * TNCCS message type
+	 */
+	tnccs_msg_type_t type;
+
+	/**
+	 * XML-encoded message node
+	 */
+	xmlNodePtr node;
+
+	/**
+	 * IMC-IMV message type
+	 */
+	TNC_MessageType msg_type;
+
+	/**
+	 * IMC-IMV message body
+	 */
+	chunk_t msg_body;
+
+};
+
+/**
+ * Encodes message data into multiple base64-encoded lines
+ */
+static chunk_t encode_base64(chunk_t data)
+{
+	chunk_t encoding;
+	u_char *pos;
+	size_t b64_chars, b64_lines;
+
+	/* handle empty message data object */
+	if (data.len == 0)
+	{
+		encoding = chunk_alloc(1);
+		*encoding.ptr = '\0';
+		return encoding;
+	}
+
+	/* compute and allocate maximum size of base64 object */
+	b64_chars = 4 * ((data.len + 2) / 3);
+	b64_lines = (data.len + BYTES_PER_LINE - 1) / BYTES_PER_LINE;
+	encoding = chunk_alloc(b64_chars + b64_lines);
+	pos = encoding.ptr;
+
+	/* encode lines */
+	while (b64_lines--)
+	{
+		chunk_t data_line, b64_line;
+
+		data_line = chunk_create(data.ptr, min(data.len, BYTES_PER_LINE));
+		data.ptr += data_line.len;
+		data.len -= data_line.len;
+		b64_line = chunk_to_base64(data_line, pos);
+		pos += b64_line.len;
+		*pos = '\n';
+		pos++;
+	}
+	/* terminate last line with NULL character instead of newline */
+	*(pos-1) = '\0';
+
+	return encoding;
+}
+
+/**
+ * Decodes message data from multiple base64-encoded lines
+ */
+static chunk_t decode_base64(chunk_t data)
+{
+	chunk_t decoding, data_line, b64_line;
+	u_char *pos;
+
+	/* compute and allocate maximum size of decoded message data */
+	decoding = chunk_alloc(3 * ((data.len + 3) / 4));
+	pos = decoding.ptr;
+	decoding.len = 0;
+
+	while (fetchline(&data, &b64_line))
+	{
+		data_line = chunk_from_base64(b64_line, pos);
+		pos += data_line.len;
+		decoding.len += data_line.len;
+	}
+
+	return decoding;
+}
+
+METHOD(tnccs_msg_t, get_type, tnccs_msg_type_t,
+	private_imc_imv_msg_t *this)
+{
+	return this->type;
+}
+
+METHOD(tnccs_msg_t, get_node, xmlNodePtr,
+	private_imc_imv_msg_t *this)
+{
+	return this->node;
+}
+
+METHOD(tnccs_msg_t, destroy, void,
+	private_imc_imv_msg_t *this)
+{
+	free(this->msg_body.ptr);
+	free(this);
+}
+
+METHOD(imc_imv_msg_t, get_msg_type, TNC_MessageType,
+	private_imc_imv_msg_t *this)
+{
+	return this->msg_type;
+}
+
+METHOD(imc_imv_msg_t, get_msg_body, chunk_t,
+	private_imc_imv_msg_t *this)
+{
+	return this->msg_body;
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *imc_imv_msg_create_from_node(xmlNodePtr node, linked_list_t *errors)
+{
+	private_imc_imv_msg_t *this;
+	xmlNsPtr ns;
+	xmlNodePtr cur;
+	xmlChar *content;
+	chunk_t b64_body;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.destroy = _destroy,
+			},
+			.get_msg_type = _get_msg_type,
+			.get_msg_body = _get_msg_body,
+		},
+		.type = IMC_IMV_MSG,
+		.node = node,
+	);
+
+	ns =  node->ns;
+	cur = node->xmlChildrenNode;
+	while (cur)
+	{
+		if (streq(cur->name, "Type") && cur->ns == ns)
+		{
+			content = xmlNodeGetContent(cur);
+			this->msg_type = strtoul(content, NULL, 16);
+			xmlFree(content);
+		}
+		else if (streq(cur->name, "Base64") && cur->ns == ns)
+		{
+			content = xmlNodeGetContent(cur);
+			b64_body = chunk_create(content, strlen(content));
+			this->msg_body = decode_base64(b64_body);
+			xmlFree(content);
+		}
+		cur = cur->next;
+	}
+
+	return &this->public.tnccs_msg_interface;
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *imc_imv_msg_create(TNC_MessageType msg_type, chunk_t msg_body)
+{
+	private_imc_imv_msg_t *this;
+	chunk_t b64_body;
+	char buf[10];		/* big enough for hex-encoded message type */
+	xmlNodePtr n;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.destroy = _destroy,
+			},
+			.get_msg_type = _get_msg_type,
+			.get_msg_body = _get_msg_body,
+		},
+		.type = IMC_IMV_MSG,
+		.node = xmlNewNode(NULL, "IMC-IMV-Message"),
+		.msg_type = msg_type,
+		.msg_body = chunk_clone(msg_body),
+	);
+
+	/* add the message type number in hex */
+	n = xmlNewNode(NULL, "Type");
+	snprintf(buf, 10, "%08x", this->msg_type);
+	xmlNodeSetContent(n, buf);
+	xmlAddChild(this->node, n);
+
+	/* encode the message as a Base64 node */
+	n = xmlNewNode(NULL, "Base64");
+	b64_body = encode_base64(this->msg_body);
+	xmlNodeSetContent(n, b64_body.ptr);
+	xmlAddChild(this->node, n);
+	free(b64_body.ptr);
+
+	return &this->public.tnccs_msg_interface;
+}
diff --git a/src/libtnccs/plugins/tnccs_11/messages/imc_imv_msg.h b/src/libtnccs/plugins/tnccs_11/messages/imc_imv_msg.h
new file mode 100644
index 000000000..3477fa74e
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/imc_imv_msg.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup imc_imv_msg imc_imv_msg
+ * @{ @ingroup tnccs_11
+ */
+
+#ifndef IMC_IMV_MSG_H_
+#define IMC_IMV_MSG_H_
+
+typedef struct imc_imv_msg_t imc_imv_msg_t;
+
+#include "tnccs_msg.h"
+
+#include <tncif.h>
+
+/**
+ * Classs representing the PB-PA message type.
+ */
+struct imc_imv_msg_t {
+
+	/**
+	 * TNCCS Message interface
+	 */
+	tnccs_msg_t tnccs_msg_interface;
+
+	/**
+	 * Get IMC-IMV message type
+	 *
+	 * @return				IMC-IMV message type
+	 */
+	TNC_MessageType (*get_msg_type)(imc_imv_msg_t *this);
+
+	/**
+	 * Get IMC-IMV message body
+	 *
+	 * @return				IMC-IMV message body
+	 */
+	chunk_t (*get_msg_body)(imc_imv_msg_t *this);
+};
+
+/**
+ * Create an IMC-IMV message from XML-encoded message node
+ *
+ * @param node				XML-encoded message node
+ * @param errors			linked list of TNCCS error messages
+*/
+tnccs_msg_t *imc_imv_msg_create_from_node(xmlNodePtr node, linked_list_t *errors);
+
+/**
+ * Create an IMC-IMV message from parameters
+ *
+ * @param msg_type			IMC-IMV message type
+ * @param msg_body			IMC-IMV message body
+ */
+tnccs_msg_t *imc_imv_msg_create(TNC_MessageType msg_type, chunk_t msg_body);
+
+#endif /** IMC_IMV_MSG_H_ @}*/
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_error_msg.c b/src/libtnccs/plugins/tnccs_11/messages/tnccs_error_msg.c
new file mode 100644
index 000000000..86b7c6aa5
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_error_msg.c
@@ -0,0 +1,190 @@
+/*
+ * Copyright (C) 2006 Mike McCauley (mikem@open.com.au)
+ * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "tnccs_error_msg.h"
+
+#include <utils/debug.h>
+
+ENUM(tnccs_error_type_names, TNCCS_ERROR_BATCH_TOO_LONG, TNCCS_ERROR_OTHER,
+	"batch-too-long",
+	"malformed-batch",
+	"invalid-batch-id",
+	"invalid-recipient-type",
+	"internal-error",
+	"other"
+);
+
+typedef struct private_tnccs_error_msg_t private_tnccs_error_msg_t;
+
+/**
+ * Private data of a tnccs_error_msg_t object.
+ *
+ */
+struct private_tnccs_error_msg_t {
+	/**
+	 * Public tnccs_error_msg_t interface.
+	 */
+	tnccs_error_msg_t public;
+
+	/**
+	 * TNCCS message type
+	 */
+	tnccs_msg_type_t type;
+
+	/**
+	 * XML-encoded message node
+	 */
+	xmlNodePtr node;
+
+	/**
+	 * Error type
+	 */
+	tnccs_error_type_t error_type;
+
+	/**
+	 * Error message
+	 */
+	char *error_msg;
+
+	/**
+	 * reference count
+	 */
+	refcount_t ref;
+};
+
+METHOD(tnccs_msg_t, get_type, tnccs_msg_type_t,
+	private_tnccs_error_msg_t *this)
+{
+	return this->type;
+}
+
+METHOD(tnccs_msg_t, get_node, xmlNodePtr,
+	private_tnccs_error_msg_t *this)
+{
+	return this->node;
+}
+
+METHOD(tnccs_msg_t, get_ref, tnccs_msg_t*,
+	private_tnccs_error_msg_t *this)
+{
+	ref_get(&this->ref);
+	return &this->public.tnccs_msg_interface;
+}
+
+METHOD(tnccs_msg_t, destroy, void,
+	private_tnccs_error_msg_t *this)
+{
+	if (ref_put(&this->ref))
+	{
+		free(this->error_msg);
+		free(this);
+	}
+}
+
+METHOD(tnccs_error_msg_t, get_message, char*,
+	private_tnccs_error_msg_t *this, tnccs_error_type_t *type)
+{
+	*type = this->error_type;
+
+	return this->error_msg;
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *tnccs_error_msg_create_from_node(xmlNodePtr node)
+{
+	private_tnccs_error_msg_t *this;
+	xmlChar *error_type_name, *error_msg;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.get_ref = _get_ref,
+				.destroy = _destroy,
+			},
+			.get_message = _get_message,
+		},
+		.type = TNCCS_MSG_ERROR,
+		.ref = 1,
+		.node = node,
+		.error_type = TNCCS_ERROR_OTHER,
+	);
+
+	error_type_name = xmlGetProp(node, "type");
+	if (error_type_name)
+	{
+		this->error_type = enum_from_name(tnccs_error_type_names,
+										  error_type_name);
+		if (this->error_type == -1)
+		{
+			this->error_type = TNCCS_ERROR_OTHER;
+		}
+		xmlFree(error_type_name);
+	}
+
+	error_msg = xmlNodeGetContent(node);
+	if (error_msg)
+	{
+		this->error_msg = strdup(error_msg);
+		xmlFree(error_msg);
+	}
+
+	return &this->public.tnccs_msg_interface;
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *tnccs_error_msg_create(tnccs_error_type_t type, char *msg)
+{
+	private_tnccs_error_msg_t *this;
+	xmlNodePtr n, n2;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.get_ref = _get_ref,
+				.destroy = _destroy,
+			},
+			.get_message = _get_message,
+		},
+		.type = TNCCS_MSG_ERROR,
+		.ref = 1,
+		.node =  xmlNewNode(NULL, "TNCC-TNCS-Message"),
+		.error_type = type,
+		.error_msg  = strdup(msg),
+	);
+
+	DBG1(DBG_TNC, "%s", msg);
+
+	n = xmlNewNode(NULL, "Type");
+	xmlNodeSetContent(n, "00000002");
+	xmlAddChild(this->node, n);
+
+	n = xmlNewNode(NULL, "XML");
+	xmlAddChild(this->node, n);
+
+	n2 = xmlNewNode(NULL, enum_to_name(tnccs_msg_type_names, this->type));
+	xmlNewProp(n2, "type", enum_to_name(tnccs_error_type_names, type));
+	xmlNodeSetContent(n2, msg);
+	xmlAddChild(n, n2);
+
+	return &this->public.tnccs_msg_interface;
+}
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_error_msg.h b/src/libtnccs/plugins/tnccs_11/messages/tnccs_error_msg.h
new file mode 100644
index 000000000..ce2ce9755
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_error_msg.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_error_msg tnccs_error_msg
+ * @{ @ingroup tnccs_11
+ */
+
+#ifndef TNCCS_ERROR_MSG_H_
+#define TNCCS_ERROR_MSG_H_
+
+typedef enum tnccs_error_type_t tnccs_error_type_t;
+typedef struct tnccs_error_msg_t tnccs_error_msg_t;
+
+#include "tnccs_msg.h"
+
+/**
+ * TNCCS error types as defined in section 8.1.4 of TCG TNC IF-TNCCS v1.2
+ */
+enum tnccs_error_type_t {
+	TNCCS_ERROR_BATCH_TOO_LONG,
+	TNCCS_ERROR_MALFORMED_BATCH,
+	TNCCS_ERROR_INVALID_BATCH_ID,
+	TNCCS_ERROR_INVALID_RECIPIENT_TYPE,
+	TNCCS_ERROR_INTERNAL_ERROR,
+	TNCCS_ERROR_OTHER
+};
+
+/**
+ * enum name for tnccs_error_type_t.
+ */
+extern enum_name_t *tnccs_error_type_names;
+
+/**
+ * Class representing the TNCCS-Error message type
+ */
+struct tnccs_error_msg_t {
+
+	/**
+	 * TNCCS Message interface
+	 */
+	tnccs_msg_t tnccs_msg_interface;
+
+	/**
+	 * Get error message and type
+	 *
+	 * @param type		TNCCS error type
+	 * @return			arbitrary error message
+	 */
+	char* (*get_message)(tnccs_error_msg_t *this, tnccs_error_type_t *type);
+};
+
+/**
+ * Create a TNCCS-Error message from XML-encoded message node
+ *
+ * @param node			XML-encoded message node
+ */
+tnccs_msg_t *tnccs_error_msg_create_from_node(xmlNodePtr node);
+
+/**
+ * Create a TNCCS-Error message from parameters
+ *
+ * @param type			TNCCS error type
+ * @param msg			arbitrary error message
+ */
+tnccs_msg_t *tnccs_error_msg_create(tnccs_error_type_t type, char *msg);
+
+#endif /** TNCCS_ERROR_MSG_H_ @}*/
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_msg.c b/src/libtnccs/plugins/tnccs_11/messages/tnccs_msg.c
new file mode 100644
index 000000000..fa5ce8239
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_msg.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2006 Mike McCauley (mikem@open.com.au)
+ * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "tnccs_msg.h"
+#include "imc_imv_msg.h"
+#include "tnccs_error_msg.h"
+#include "tnccs_preferred_language_msg.h"
+#include "tnccs_reason_strings_msg.h"
+#include "tnccs_recommendation_msg.h"
+#include "tnccs_tncs_contact_info_msg.h"
+
+#include <library.h>
+#include <utils/debug.h>
+
+ENUM(tnccs_msg_type_names, IMC_IMV_MSG, TNCCS_MSG_ROOF,
+	"IMC-IMV",
+	"TNCCS-Recommendation",
+	"TNCCS-Error",
+	"TNCCS-PreferredLanguage",
+	"TNCCS-ReasonStrings",
+	"TNCCS-TNCSContactInfo"
+);
+
+/**
+ * See header
+ */
+tnccs_msg_t* tnccs_msg_create_from_node(xmlNodePtr node, linked_list_t *errors)
+{
+	char *error_msg, buf[BUF_LEN];
+	tnccs_error_type_t error_type = TNCCS_ERROR_MALFORMED_BATCH;
+	tnccs_msg_t *msg;
+	tnccs_msg_type_t type = IMC_IMV_MSG;
+
+	if (streq((char*)node->name, "IMC-IMV-Message"))
+	{
+		DBG2(DBG_TNC, "processing %N message", tnccs_msg_type_names, type);
+		return imc_imv_msg_create_from_node(node, errors);
+	}
+	else if (streq((char*)node->name, "TNCC-TNCS-Message"))
+	{
+		bool found = FALSE;
+		xmlNsPtr ns = node->ns;
+		xmlNodePtr cur = node->xmlChildrenNode;
+		xmlNodePtr xml_msg_node = NULL;
+
+		while (cur)
+		{
+			if (streq(cur->name, "Type") && cur->ns == ns)
+			{
+				xmlChar *content = xmlNodeGetContent(cur);
+
+				type = strtol(content, NULL, 16);
+				xmlFree(content);
+				found = TRUE;
+			}
+			else if (streq(cur->name, "XML") && cur->ns == ns)
+			{
+				xml_msg_node = cur->xmlChildrenNode;
+			}
+			cur = cur->next;
+		}
+		if (!found)
+		{
+			error_msg = "Type is missing in TNCC-TNCS-Message";
+			goto fatal;
+		}
+		if (!xml_msg_node)
+		{
+			error_msg = "XML node is missing in TNCC-TNCS-Message";
+			goto fatal;
+		}
+		cur = xml_msg_node;
+
+		/* skip empty and blank nodes */
+		while (cur && xmlIsBlankNode(cur))
+		{
+			cur = cur->next;
+		}
+		if (!cur)
+		{
+			error_msg = "XML node is empty";
+			goto fatal;
+		}
+
+		/* check if TNCCS message type and node name agree */
+		if (type >= TNCCS_MSG_RECOMMENDATION && type <= TNCCS_MSG_ROOF)
+		{
+			DBG2(DBG_TNC, "processing %N message", tnccs_msg_type_names, type);
+			if (cur->ns != ns)
+			{
+				error_msg = "node is not in the TNCCS message namespace";
+				goto fatal;
+			}
+			if (type != enum_from_name(tnccs_msg_type_names, (char*)cur->name))
+			{
+				error_msg = buf;
+				snprintf(buf, BUF_LEN, "expected '%N' node but was '%s'",
+						 tnccs_msg_type_names, type, (char*)cur->name);
+				goto fatal;
+			}
+		}
+
+		switch (type)
+		{
+			case TNCCS_MSG_RECOMMENDATION:
+				return tnccs_recommendation_msg_create_from_node(cur, errors);
+			case TNCCS_MSG_ERROR:
+				return tnccs_error_msg_create_from_node(cur);
+			case TNCCS_MSG_PREFERRED_LANGUAGE:
+				return tnccs_preferred_language_msg_create_from_node(cur, errors);
+			case TNCCS_MSG_REASON_STRINGS:
+				return tnccs_reason_strings_msg_create_from_node(cur, errors);
+			case TNCCS_MSG_TNCS_CONTACT_INFO:
+				return tnccs_tncs_contact_info_msg_create_from_node(cur, errors);
+			default:
+				DBG1(DBG_TNC, "ignoring TNCC-TNCS-Message with type %d", type);
+				return NULL;
+		}
+	}
+	DBG1(DBG_TNC, "ignoring unknown message node '%s'", (char*)node->name);
+	return NULL;
+
+fatal:
+	msg = tnccs_error_msg_create(error_type, error_msg);
+	errors->insert_last(errors, msg);
+	return NULL;
+}
+
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_msg.h b/src/libtnccs/plugins/tnccs_11/messages/tnccs_msg.h
new file mode 100644
index 000000000..88d6f07aa
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_msg.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_msg tnccs_msg
+ * @{ @ingroup tnccs_11
+ */
+
+#ifndef TNCCS_MSG_H_
+#define TNCCS_MSG_H_
+
+typedef enum tnccs_msg_type_t tnccs_msg_type_t;
+typedef struct tnccs_msg_t tnccs_msg_t;
+
+#include <library.h>
+#include <collections/linked_list.h>
+#include <libxml/parser.h>
+
+/**
+ * TNCC-TNCS messages as defined in section 2.8.5 of TCG TNC IF-TNCCS v1.2
+ */
+enum tnccs_msg_type_t {
+	IMC_IMV_MSG =						0,
+	TNCCS_MSG_RECOMMENDATION =			1,
+	TNCCS_MSG_ERROR =					2,
+	TNCCS_MSG_PREFERRED_LANGUAGE =		3,
+	TNCCS_MSG_REASON_STRINGS =			4,
+	TNCCS_MSG_TNCS_CONTACT_INFO =		5,
+	TNCCS_MSG_ROOF =					5
+};
+
+/**
+ * enum name for tnccs_msg_type_t.
+ */
+extern enum_name_t *tnccs_msg_type_names;
+
+/**
+ * Generic interface for all TNCCS message types.
+ *
+ * To handle all messages in a generic way, this interface
+ * must be implemented by each message type.
+ */
+struct tnccs_msg_t {
+
+	/**
+	 * Get the TNCCS Message Type
+	 *
+	 * @return				TNCCS Message Type
+	 */
+	tnccs_msg_type_t (*get_type)(tnccs_msg_t *this);
+
+	/**
+	 * Get the XML-encoded Message Node
+	 *
+	 * @return				Message Node
+	 */
+	xmlNodePtr (*get_node)(tnccs_msg_t *this);
+
+	/**
+	 * Process the TNCCS Message
+	 *
+	 * @return				return processing status
+	 */
+	status_t (*process)(tnccs_msg_t *this);
+
+	/**
+	 * Get a new reference to the message.
+	 *
+	 * @return			this, with an increased refcount
+	 */
+	tnccs_msg_t* (*get_ref)(tnccs_msg_t *this);
+
+	/**
+	 * Destroys a tnccs_msg_t object.
+	 */
+	void (*destroy)(tnccs_msg_t *this);
+};
+
+/**
+ * Create a pre-processed TNCCS message
+ *
+ * Useful for the parser which wants a generic constructor for all
+ * tnccs_msg_t types.
+ *
+ * @param node		TNCCS message node
+ * @param errors	linked list of TNCCS error messages
+ */
+tnccs_msg_t* tnccs_msg_create_from_node(xmlNodePtr node, linked_list_t *errors);
+
+#endif /** TNCCS_MSG_H_ @}*/
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_preferred_language_msg.c b/src/libtnccs/plugins/tnccs_11/messages/tnccs_preferred_language_msg.c
new file mode 100644
index 000000000..710269ba9
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_preferred_language_msg.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2006 Mike McCauley (mikem@open.com.au)
+ * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "tnccs_preferred_language_msg.h"
+
+#include <utils/debug.h>
+
+typedef struct private_tnccs_preferred_language_msg_t private_tnccs_preferred_language_msg_t;
+
+/**
+ * Private data of a tnccs_preferred_language_msg_t object.
+ *
+ */
+struct private_tnccs_preferred_language_msg_t {
+	/**
+	 * Public tnccs_preferred_language_msg_t interface.
+	 */
+	tnccs_preferred_language_msg_t public;
+
+	/**
+	 * TNCCS message type
+	 */
+	tnccs_msg_type_t type;
+
+	/**
+	 * XML-encoded message node
+	 */
+	xmlNodePtr node;
+
+	/**
+	 * Preferred language
+	 */
+	char *preferred_language;
+};
+
+METHOD(tnccs_msg_t, get_type, tnccs_msg_type_t,
+	private_tnccs_preferred_language_msg_t *this)
+{
+	return this->type;
+}
+
+METHOD(tnccs_msg_t, get_node, xmlNodePtr,
+	private_tnccs_preferred_language_msg_t *this)
+{
+	return this->node;
+}
+
+METHOD(tnccs_msg_t, destroy, void,
+	private_tnccs_preferred_language_msg_t *this)
+{
+	free(this->preferred_language);
+	free(this);
+}
+
+METHOD(tnccs_preferred_language_msg_t, get_preferred_language, char*,
+	private_tnccs_preferred_language_msg_t *this)
+{
+	return this->preferred_language;
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *tnccs_preferred_language_msg_create_from_node(xmlNodePtr node,
+													linked_list_t *errors)
+{
+	private_tnccs_preferred_language_msg_t *this;
+	xmlChar *language;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.destroy = _destroy,
+			},
+			.get_preferred_language = _get_preferred_language,
+		},
+		.type = TNCCS_MSG_PREFERRED_LANGUAGE,
+		.node = node,
+	);
+
+	language = xmlNodeGetContent(node);
+	this->preferred_language = strdup(language);
+	xmlFree(language);
+
+	return &this->public.tnccs_msg_interface;
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *tnccs_preferred_language_msg_create(char *language)
+{
+	private_tnccs_preferred_language_msg_t *this;
+	xmlNodePtr n, n2;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.destroy = _destroy,
+			},
+			.get_preferred_language = _get_preferred_language,
+		},
+		.type = TNCCS_MSG_PREFERRED_LANGUAGE,
+		.node =  xmlNewNode(NULL, "TNCC-TNCS-Message"),
+		.preferred_language = strdup(language),
+	);
+
+	/* add the message type number in hex */
+	n = xmlNewNode(NULL, "Type");
+	xmlNodeSetContent(n, "00000003");
+	xmlAddChild(this->node, n);
+
+	n = xmlNewNode(NULL, "XML");
+	xmlAddChild(this->node, n);
+
+	n2 = xmlNewNode(NULL, enum_to_name(tnccs_msg_type_names, this->type));
+	xmlNodeSetContent(n2, language);
+	xmlAddChild(n, n2);
+
+	return &this->public.tnccs_msg_interface;
+}
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_preferred_language_msg.h b/src/libtnccs/plugins/tnccs_11/messages/tnccs_preferred_language_msg.h
new file mode 100644
index 000000000..c2de7fe4d
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_preferred_language_msg.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_preferred_language_msg tnccs_preferred_language_msg
+ * @{ @ingroup tnccs_11
+ */
+
+#ifndef TNCCS_PREFERRED_LANGUAGE_MSG_H_
+#define TNCCS_PREFERRED_LANGUAGE_MSG_H_
+
+typedef struct tnccs_preferred_language_msg_t tnccs_preferred_language_msg_t;
+
+#include "tnccs_msg.h"
+
+#include <tncif.h>
+
+/**
+ * Class representing the TNCCS-PreferredLanguage message type
+ */
+struct tnccs_preferred_language_msg_t {
+
+	/**
+	 * TNCCS Message interface
+	 */
+	tnccs_msg_t tnccs_msg_interface;
+
+	/**
+	 * Get preferred language string
+	 *
+	 * @return				preferred language string
+	 */
+	char* (*get_preferred_language)(tnccs_preferred_language_msg_t *this);
+};
+
+/**
+ * Create a TNCCS-PreferredLanguage message from XML-encoded message node
+ *
+ * @param node				XML-encoded message node
+ * @param errors			linked list of TNCCS error messages
+ */
+tnccs_msg_t *tnccs_preferred_language_msg_create_from_node(xmlNodePtr node,
+													linked_list_t *errors);
+
+/**
+ * Create a TNCCS-PreferredLanguage message from parameters
+ *
+ * @param language			preferred language string
+ */
+tnccs_msg_t *tnccs_preferred_language_msg_create(char *language);
+
+#endif /** TNCCS_PREFERRED_LANGUAGE_MSG_H_ @}*/
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_reason_strings_msg.c b/src/libtnccs/plugins/tnccs_11/messages/tnccs_reason_strings_msg.c
new file mode 100644
index 000000000..7c2f9b3f9
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_reason_strings_msg.c
@@ -0,0 +1,196 @@
+/*
+ * Copyright (C) 2006 Mike McCauley (mikem@open.com.au)
+ * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "tnccs_reason_strings_msg.h"
+#include "tnccs_error_msg.h"
+
+#include <utils/debug.h>
+
+typedef struct private_tnccs_reason_strings_msg_t private_tnccs_reason_strings_msg_t;
+
+/**
+ * Private data of a tnccs_reason_strings_msg_t object.
+ *
+ */
+struct private_tnccs_reason_strings_msg_t {
+	/**
+	 * Public tnccs_reason_strings_msg_t interface.
+	 */
+	tnccs_reason_strings_msg_t public;
+
+	/**
+	 * TNCCS message type
+	 */
+	tnccs_msg_type_t type;
+
+	/**
+	 * XML-encoded message node
+	 */
+	xmlNodePtr node;
+
+	/**
+	 * Reason String
+	 */
+	chunk_t reason;
+
+	/**
+	 * Reason Language
+	 */
+	chunk_t language;
+};
+
+METHOD(tnccs_msg_t, get_type, tnccs_msg_type_t,
+	private_tnccs_reason_strings_msg_t *this)
+{
+	return this->type;
+}
+
+METHOD(tnccs_msg_t, get_node, xmlNodePtr,
+	private_tnccs_reason_strings_msg_t *this)
+{
+	return this->node;
+}
+
+METHOD(tnccs_msg_t, destroy, void,
+	private_tnccs_reason_strings_msg_t *this)
+{
+	free(this->reason.ptr);
+	free(this->language.ptr);
+	free(this);
+}
+
+METHOD(tnccs_reason_strings_msg_t, get_reason, chunk_t,
+	private_tnccs_reason_strings_msg_t *this, chunk_t *language)
+{
+	*language = this->language;
+
+	return this->reason;
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *tnccs_reason_strings_msg_create_from_node(xmlNodePtr node,
+													   linked_list_t *errors)
+{
+	private_tnccs_reason_strings_msg_t *this;
+	char *error_msg, *lang_string, *reason_string;
+	tnccs_error_type_t error_type = TNCCS_ERROR_MALFORMED_BATCH;
+	tnccs_msg_t *msg;
+	xmlNodePtr child;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.destroy = _destroy,
+			},
+			.get_reason = _get_reason,
+		},
+		.type = TNCCS_MSG_REASON_STRINGS,
+		.node = node,
+	);
+
+	if (xmlStrcmp(node->name, "TNCCS-ReasonStrings"))
+	{
+		error_msg = "TNCCS-ReasonStrings tag expected";
+		goto fatal;
+	}
+
+	child = node->xmlChildrenNode;
+	while (child)
+	{
+		if (xmlIsBlankNode(child))
+		{
+			child = child->next;
+			continue;
+		}
+		if (xmlStrcmp(child->name, "ReasonString"))
+		{
+			error_msg = "ReasonString tag expected";
+			goto fatal;
+		}
+		break;
+	}
+
+	lang_string = xmlGetProp(child, "lang");
+	if (!lang_string)
+	{
+		lang_string = strdup("");
+	}
+	this->language = chunk_clone(chunk_from_str(lang_string));
+	xmlFree(lang_string);
+
+	reason_string = xmlNodeGetContent(child);
+	this->reason = chunk_clone(chunk_from_str(reason_string));
+	xmlFree(reason_string);
+
+	return &this->public.tnccs_msg_interface;
+
+fatal:
+	msg = tnccs_error_msg_create(error_type, error_msg);
+	errors->insert_last(errors, msg);
+	destroy(this);
+	return NULL;
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *tnccs_reason_strings_msg_create(chunk_t reason, chunk_t language)
+{
+	private_tnccs_reason_strings_msg_t *this;
+	xmlNodePtr n, n2, n3;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.destroy = _destroy,
+			},
+			.get_reason = _get_reason,
+		},
+		.type = TNCCS_MSG_REASON_STRINGS,
+		.node =  xmlNewNode(NULL, "TNCC-TNCS-Message"),
+		.reason = chunk_create_clone(malloc(reason.len + 1), reason),
+		.language = chunk_create_clone(malloc(language.len + 1), language),
+	);
+
+	/* add NULL termination for XML string representation */
+	this->reason.ptr[this->reason.len] = '\0';
+	this->language.ptr[this->language.len] = '\0';
+
+	/* add the message type number in hex */
+	n = xmlNewNode(NULL, "Type");
+	xmlNodeSetContent(n, "00000004");
+	xmlAddChild(this->node, n);
+
+	n = xmlNewNode(NULL, "XML");
+	xmlAddChild(this->node, n);
+
+	n2 = xmlNewNode(NULL, enum_to_name(tnccs_msg_type_names, this->type));
+
+	/* could add multiple reasons here, if we had them */
+
+	n3 = xmlNewNode(NULL, "ReasonString");
+	xmlNewProp(n3, "xml:lang", this->language.ptr);
+	xmlNodeSetContent(n3, this->reason.ptr);
+	xmlAddChild(n2, n3);
+	xmlAddChild(n, n2);
+
+	return &this->public.tnccs_msg_interface;
+}
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_reason_strings_msg.h b/src/libtnccs/plugins/tnccs_11/messages/tnccs_reason_strings_msg.h
new file mode 100644
index 000000000..0046a5789
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_reason_strings_msg.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_reason_strings_msg tnccs_reason_strings_msg
+ * @{ @ingroup tnccs_11
+ */
+
+#ifndef TNCCS_REASON_STRINGS_MSG_H_
+#define TNCCS_REASON_STRINGS_MSG_H_
+
+typedef struct tnccs_reason_strings_msg_t tnccs_reason_strings_msg_t;
+
+#include "tnccs_msg.h"
+
+/**
+ * Class representing the TNCCS-ReasonStrings message type
+ */
+struct tnccs_reason_strings_msg_t {
+
+	/**
+	 * TNCCS Message interface
+	 */
+	tnccs_msg_t tnccs_msg_interface;
+
+	/**
+	 * Get reason string and language
+	 *
+	 * @param language		reason language
+	 * @return				reason string
+	 */
+	chunk_t (*get_reason)(tnccs_reason_strings_msg_t *this, chunk_t *language);
+};
+
+/**
+ * Create a TNCCS-ReasonStrings message from XML-encoded message node
+ *
+ * @param node				XML-encoded message node
+ * @param errors			linked list of TNCCS error messages
+ */
+tnccs_msg_t *tnccs_reason_strings_msg_create_from_node(xmlNodePtr node,
+													   linked_list_t *errors);
+
+/**
+ * Create a TNCCS-ReasonStrings message from parameters
+ *
+ * @param reason			reason string
+ * @param language			reason language
+ */
+tnccs_msg_t *tnccs_reason_strings_msg_create(chunk_t reason, chunk_t language);
+
+#endif /** TNCCS_REASON_STRINGS_MSG_H_ @}*/
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_recommendation_msg.c b/src/libtnccs/plugins/tnccs_11/messages/tnccs_recommendation_msg.c
new file mode 100644
index 000000000..013e0c7ed
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_recommendation_msg.c
@@ -0,0 +1,186 @@
+/*
+ * Copyright (C) 2006 Mike McCauley (mikem@open.com.au)
+ * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "tnccs_recommendation_msg.h"
+#include "tnccs_error_msg.h"
+
+#include <utils/debug.h>
+
+typedef struct private_tnccs_recommendation_msg_t private_tnccs_recommendation_msg_t;
+
+/**
+ * Private data of a tnccs_recommendation_msg_t object.
+ *
+ */
+struct private_tnccs_recommendation_msg_t {
+	/**
+	 * Public tnccs_recommendation_msg_t interface.
+	 */
+	tnccs_recommendation_msg_t public;
+
+	/**
+	 * TNCCS message type
+	 */
+	tnccs_msg_type_t type;
+
+	/**
+	 * XML-encoded message node
+	 */
+	xmlNodePtr node;
+
+	/**
+	 * Action Recommendation
+	 */
+	TNC_IMV_Action_Recommendation rec;
+};
+
+METHOD(tnccs_msg_t, get_type, tnccs_msg_type_t,
+	private_tnccs_recommendation_msg_t *this)
+{
+	return this->type;
+}
+
+METHOD(tnccs_msg_t, get_node, xmlNodePtr,
+	private_tnccs_recommendation_msg_t *this)
+{
+	return this->node;
+}
+
+METHOD(tnccs_msg_t, destroy, void,
+	private_tnccs_recommendation_msg_t *this)
+{
+	free(this);
+}
+
+METHOD(tnccs_recommendation_msg_t, get_recommendation, TNC_IMV_Action_Recommendation,
+	private_tnccs_recommendation_msg_t *this)
+{
+	return this->rec;
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *tnccs_recommendation_msg_create_from_node(xmlNodePtr node,
+													   linked_list_t *errors)
+{
+	private_tnccs_recommendation_msg_t *this;
+	xmlChar *rec_string;
+	char *error_msg, buf[BUF_LEN];
+	tnccs_error_type_t error_type = TNCCS_ERROR_MALFORMED_BATCH;
+	tnccs_msg_t *msg;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.destroy = _destroy,
+			},
+			.get_recommendation = _get_recommendation,
+		},
+		.type = TNCCS_MSG_RECOMMENDATION,
+		.node = node,
+	);
+
+	rec_string = xmlGetProp(node, "type");
+	if (!rec_string)
+	{
+		error_msg = "type property in TNCCS-Recommendation is missing";
+		goto fatal;
+	}
+	else if (streq(rec_string, "allow"))
+	{
+		this->rec = TNC_IMV_ACTION_RECOMMENDATION_ALLOW;
+	}
+	else if (streq(rec_string, "isolate"))
+	{
+		this->rec = TNC_IMV_ACTION_RECOMMENDATION_ISOLATE;
+	}
+	else if (streq(rec_string, "none"))
+	{
+		this->rec = TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS;
+	}
+	else
+	{
+		error_msg = buf;
+		snprintf(buf, BUF_LEN, "unsupported type property value '%s' "
+							   "in TNCCS-Recommendation", rec_string);
+		xmlFree(rec_string);
+		goto fatal;
+	}
+	xmlFree(rec_string);
+
+	return &this->public.tnccs_msg_interface;
+
+fatal:
+	msg = tnccs_error_msg_create(error_type, error_msg);
+	errors->insert_last(errors, msg);
+	destroy(this);
+	return NULL;
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *tnccs_recommendation_msg_create(TNC_IMV_Action_Recommendation rec)
+{
+	private_tnccs_recommendation_msg_t *this;
+	xmlNodePtr n, n2;
+	char *rec_string;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.destroy = _destroy,
+			},
+			.get_recommendation = _get_recommendation,
+		},
+		.type = TNCCS_MSG_RECOMMENDATION,
+		.node =  xmlNewNode(NULL, "TNCC-TNCS-Message"),
+		.rec = rec,
+	);
+
+	/* add the message type number in hex */
+	n = xmlNewNode(NULL, "Type");
+	xmlNodeSetContent(n, "00000001");
+	xmlAddChild(this->node, n);
+
+	n = xmlNewNode(NULL, "XML");
+	xmlAddChild(this->node, n);
+
+	switch (rec)
+	{
+		case TNC_IMV_ACTION_RECOMMENDATION_ALLOW:
+			rec_string = "allow";
+			break;
+		case TNC_IMV_ACTION_RECOMMENDATION_ISOLATE:
+			rec_string = "isolate";
+			break;
+		case TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS:
+		case TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION:
+		default:
+			rec_string = "none";
+	}
+
+	n2 = xmlNewNode(NULL, enum_to_name(tnccs_msg_type_names, this->type));
+	xmlNewProp(n2, BAD_CAST "type", rec_string);
+	xmlNodeSetContent(n2, "");
+	xmlAddChild(n, n2);
+
+	return &this->public.tnccs_msg_interface;
+}
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_recommendation_msg.h b/src/libtnccs/plugins/tnccs_11/messages/tnccs_recommendation_msg.h
new file mode 100644
index 000000000..3a67a3b32
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_recommendation_msg.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_recommendation_msg tnccs_recommendation_msg
+ * @{ @ingroup tnccs_11
+ */
+
+#ifndef TNCCS_RECOMMENDATION_MSG_H_
+#define TNCCS_RECOMMENDATION_MSG_H_
+
+typedef struct tnccs_recommendation_msg_t tnccs_recommendation_msg_t;
+
+#include "tnccs_msg.h"
+
+#include <tncifimv.h>
+
+/**
+ * Class representing the TNCCS-Recommendation message type
+ */
+struct tnccs_recommendation_msg_t {
+
+	/**
+	 * TNCCS Message interface
+	 */
+	tnccs_msg_t tnccs_msg_interface;
+
+	/**
+	 * Get Action Recommendation
+	 *
+	 * @return				Action Recommendation
+	 */
+	TNC_IMV_Action_Recommendation (*get_recommendation)(tnccs_recommendation_msg_t *this);
+};
+
+/**
+ * Create a TNCCS-Recommendation message from XML-encoded message node
+ *
+ * @param node				XML-encoded message node
+ * @param errors			linked list of TNCCS error messages
+ */
+tnccs_msg_t *tnccs_recommendation_msg_create_from_node(xmlNodePtr node,
+													   linked_list_t *errors);
+
+/**
+ * Create a TNCCS-Recommendation message from parameters
+ *
+ * @param rec				Action Recommendation
+ */
+tnccs_msg_t *tnccs_recommendation_msg_create(TNC_IMV_Action_Recommendation rec);
+
+#endif /** TNCCS_RECOMMENDATION_MSG_H_ @}*/
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_tncs_contact_info_msg.c b/src/libtnccs/plugins/tnccs_11/messages/tnccs_tncs_contact_info_msg.c
new file mode 100644
index 000000000..0d3e1c2a0
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_tncs_contact_info_msg.c
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "tnccs_tncs_contact_info_msg.h"
+
+#include <utils/debug.h>
+
+typedef struct private_tnccs_tncs_contact_info_msg_t private_tnccs_tncs_contact_info_msg_t;
+
+/**
+ * Private data of a tnccs_tncs_contact_info_msg_t object.
+ *
+ */
+struct private_tnccs_tncs_contact_info_msg_t {
+	/**
+	 * Public tnccs_tncs_contact_info_msg_t interface.
+	 */
+	tnccs_tncs_contact_info_msg_t public;
+
+	/**
+	 * TNCCS message type
+	 */
+	tnccs_msg_type_t type;
+
+	/**
+	 * XML-encoded message node
+	 */
+	xmlNodePtr node;
+};
+
+METHOD(tnccs_msg_t, get_type, tnccs_msg_type_t,
+	private_tnccs_tncs_contact_info_msg_t *this)
+{
+	return this->type;
+}
+
+METHOD(tnccs_msg_t, get_node, xmlNodePtr,
+	private_tnccs_tncs_contact_info_msg_t *this)
+{
+	return this->node;
+}
+
+METHOD(tnccs_msg_t, destroy, void,
+	private_tnccs_tncs_contact_info_msg_t *this)
+{
+	free(this);
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *tnccs_tncs_contact_info_msg_create_from_node(xmlNodePtr node,
+													linked_list_t *errors)
+{
+	private_tnccs_tncs_contact_info_msg_t *this;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.destroy = _destroy,
+			},
+		},
+		.type = TNCCS_MSG_TNCS_CONTACT_INFO,
+		.node = node,
+	);
+
+	return &this->public.tnccs_msg_interface;
+}
+
+/**
+ * See header
+ */
+tnccs_msg_t *tnccs_tncs_contact_info_msg_create(void)
+{
+	private_tnccs_tncs_contact_info_msg_t *this;
+	xmlNodePtr n /*, n2 */;
+
+	INIT(this,
+		.public = {
+			.tnccs_msg_interface = {
+				.get_type = _get_type,
+				.get_node = _get_node,
+				.destroy = _destroy,
+			},
+		},
+		.type = TNCCS_MSG_TNCS_CONTACT_INFO,
+		.node =  xmlNewNode(NULL, "TNCC-TNCS-Message"),
+	);
+
+	/* add the message type number in hex */
+	n = xmlNewNode(NULL, "Type");
+	xmlNodeSetContent(n, "00000005");
+	xmlAddChild(this->node, n);
+
+	n = xmlNewNode(NULL, "XML");
+	xmlAddChild(this->node, n);
+
+/* TODO
+	n2 = xmlNewNode(NULL, enum_to_name(tnccs_msg_type_names, this->type));
+	xmlNodeSetContent(n2, language);
+	xmlAddChild(n, n2);
+*/
+
+	return &this->public.tnccs_msg_interface;
+}
diff --git a/src/libtnccs/plugins/tnccs_11/messages/tnccs_tncs_contact_info_msg.h b/src/libtnccs/plugins/tnccs_11/messages/tnccs_tncs_contact_info_msg.h
new file mode 100644
index 000000000..8ed210a57
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/messages/tnccs_tncs_contact_info_msg.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_tncs_contact_info_msg tnccs_tncs_contact_info_msg
+ * @{ @ingroup tnccs_11
+ */
+
+#ifndef TNCCS_TNCS_CONTACT_INFO_MSG_H_
+#define TNCCS_TNCS_CONTACT_INFO_MSG_H_
+
+typedef struct tnccs_tncs_contact_info_msg_t tnccs_tncs_contact_info_msg_t;
+
+#include "tnccs_msg.h"
+
+/**
+ * Class representing the TNCCS-TNCSContactInfo message type
+ */
+struct tnccs_tncs_contact_info_msg_t {
+
+	/**
+	 * TNCCS Message interface
+	 */
+	tnccs_msg_t tnccs_msg_interface;
+};
+
+/**
+ * Create a TNCCS-TNCSContactInfo message from XML-encoded message node
+ *
+ * @param node				XML-encoded message node
+ * @param errors			linked list of TNCCS error messages
+ */
+tnccs_msg_t *tnccs_tncs_contact_info_msg_create_from_node(xmlNodePtr node,
+													linked_list_t *errors);
+
+/**
+ * Create a TNCCS-TNCSContactInfo message from parameters
+ *
+ */
+tnccs_msg_t *tnccs_tncs_contact_info_msg_create(void);
+
+#endif /** TNCCS_TNCS_CONTACT_INFO_MSG_H_ @}*/
diff --git a/src/libtnccs/plugins/tnccs_11/tnccs_11.c b/src/libtnccs/plugins/tnccs_11/tnccs_11.c
new file mode 100644
index 000000000..91854b587
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/tnccs_11.c
@@ -0,0 +1,670 @@
+/*
+ * Copyright (C) 2010-2013 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "tnccs_11.h"
+#include "batch/tnccs_batch.h"
+#include "messages/tnccs_msg.h"
+#include "messages/imc_imv_msg.h"
+#include "messages/tnccs_error_msg.h"
+#include "messages/tnccs_preferred_language_msg.h"
+#include "messages/tnccs_reason_strings_msg.h"
+#include "messages/tnccs_recommendation_msg.h"
+
+#include <tncif_names.h>
+#include <tncif_pa_subtypes.h>
+
+#include <tnc/tnc.h>
+#include <tnc/imc/imc_manager.h>
+#include <tnc/imv/imv_manager.h>
+#include <tnc/tnccs/tnccs.h>
+#include <tnc/tnccs/tnccs_manager.h>
+
+#include <utils/debug.h>
+#include <threading/mutex.h>
+
+typedef struct private_tnccs_11_t private_tnccs_11_t;
+
+/**
+ * Private data of a tnccs_11_t object.
+ */
+struct private_tnccs_11_t {
+
+	/**
+	 * Public tnccs_t interface.
+	 */
+	tnccs_t public;
+
+	/**
+	 * TNCC if TRUE, TNCS if FALSE
+	 */
+	bool is_server;
+
+	/**
+	 * Server identity
+	 */
+	identification_t *server;
+
+	/**
+	 * Client identity
+	 */
+	identification_t *peer;
+
+	/**
+	 * Underlying TNC IF-T transport protocol
+	 */
+	tnc_ift_type_t transport;
+
+	/**
+	 * Type of TNC client authentication
+	 */
+	u_int32_t auth_type;
+
+	/**
+	 * Connection ID assigned to this TNCCS connection
+	 */
+	TNC_ConnectionID connection_id;
+
+	/**
+	 * Last TNCCS batch ID
+	 */
+	int batch_id;
+
+	/**
+	 * TNCCS batch being constructed
+	 */
+	tnccs_batch_t *batch;
+
+	/**
+	 * Maximum PA-TNC message size
+	 */
+	size_t max_msg_len;
+
+	/**
+	 * Mutex locking the batch in construction
+	 */
+	mutex_t *mutex;
+
+	/**
+	 * Flag set while processing
+	 */
+	bool fatal_error;
+
+	/**
+	 * Flag set by TNCCS-Recommendation message
+	 */
+	bool delete_state;
+
+	/**
+	 * SendMessage() by IMC/IMV only allowed if flag is set
+	 */
+	bool send_msg;
+
+	/**
+	 * Flag set by IMC/IMV RequestHandshakeRetry() function
+	 */
+	bool request_handshake_retry;
+
+	/**
+	 * Set of IMV recommendations  (TNC Server only)
+	 */
+	recommendations_t *recs;
+
+	/**
+	 * Callback function to communicate recommendation (TNC Server only)
+	 */
+	tnccs_cb_t callback;
+
+	/**
+	 * reference count
+	 */
+	refcount_t ref;
+
+};
+
+METHOD(tnccs_t, send_msg, TNC_Result,
+	private_tnccs_11_t* this, TNC_IMCID imc_id, TNC_IMVID imv_id,
+						      TNC_UInt32 msg_flags,
+							  TNC_BufferReference msg,
+							  TNC_UInt32 msg_len,
+						      TNC_VendorID msg_vid,
+						      TNC_MessageSubtype msg_subtype)
+{
+	tnccs_msg_t *tnccs_msg;
+	TNC_MessageType msg_type;
+	enum_name_t *pa_subtype_names;
+
+	if (!this->send_msg)
+	{
+		DBG1(DBG_TNC, "%s %u not allowed to call SendMessage()",
+			this->is_server ? "IMV" : "IMC",
+			this->is_server ? imv_id : imc_id);
+		return TNC_RESULT_ILLEGAL_OPERATION;
+	}
+	if (msg_vid > TNC_VENDORID_ANY || msg_subtype > TNC_SUBTYPE_ANY)
+	{
+		return TNC_RESULT_NO_LONG_MESSAGE_TYPES;
+	}
+	msg_type = (msg_vid << 8) | msg_subtype;
+
+	pa_subtype_names = get_pa_subtype_names(msg_vid);
+	if (pa_subtype_names)
+	{
+		DBG2(DBG_TNC, "creating IMC-IMV message type '%N/%N' 0x%06x/0x%02x",
+					   pen_names, msg_vid, pa_subtype_names, msg_subtype,
+					   msg_vid, msg_subtype);
+	}
+	else
+	{
+		DBG2(DBG_TNC, "creating IMC-IMV message type '%N' 0x%06x/0x%02x",
+			 		   pen_names, msg_vid, msg_vid, msg_subtype);
+	}
+	tnccs_msg = imc_imv_msg_create(msg_type, chunk_create(msg, msg_len));
+
+	/* adding an IMC-IMV Message to TNCCS batch */
+	this->mutex->lock(this->mutex);
+	if (!this->batch)
+	{
+		this->batch = tnccs_batch_create(this->is_server, ++this->batch_id);
+	}
+	this->batch->add_msg(this->batch, tnccs_msg);
+	this->mutex->unlock(this->mutex);
+	return TNC_RESULT_SUCCESS;
+}
+
+/**
+ * Handle a single TNCCS message according to its type
+ */
+static void handle_message(private_tnccs_11_t *this, tnccs_msg_t *msg)
+{
+	switch (msg->get_type(msg))
+	{
+		case IMC_IMV_MSG:
+		{
+			imc_imv_msg_t *imc_imv_msg;
+			TNC_MessageType msg_type;
+			chunk_t msg_body;
+			u_int32_t msg_vid, msg_subtype;
+			enum_name_t *pa_subtype_names;
+
+			imc_imv_msg = (imc_imv_msg_t*)msg;
+			msg_type = imc_imv_msg->get_msg_type(imc_imv_msg);
+			msg_body = imc_imv_msg->get_msg_body(imc_imv_msg);
+			msg_vid = (msg_type >> 8) & TNC_VENDORID_ANY;
+			msg_subtype = msg_type & TNC_SUBTYPE_ANY;
+
+			pa_subtype_names = get_pa_subtype_names(msg_vid);
+			if (pa_subtype_names)
+			{
+				DBG2(DBG_TNC, "handling IMC-IMV message type '%N/%N' 0x%06x/0x%02x",
+					 pen_names, msg_vid, pa_subtype_names, msg_subtype,
+					 msg_vid, msg_subtype);
+			}
+			else
+			{
+				DBG2(DBG_TNC, "handling IMC-IMV message type '%N' 0x%06x/0x%02x",
+					 pen_names, msg_vid, msg_vid, msg_subtype);
+			}
+
+			this->send_msg = TRUE;
+			if (this->is_server)
+			{
+				tnc->imvs->receive_message(tnc->imvs, this->connection_id,
+										   FALSE, msg_body.ptr, msg_body.len,
+										   msg_vid, msg_subtype, 0, TNC_IMVID_ANY);
+			}
+			else
+			{
+				tnc->imcs->receive_message(tnc->imcs, this->connection_id,
+										   FALSE, msg_body.ptr, msg_body.len,
+										   msg_vid, msg_subtype, 0, TNC_IMCID_ANY);
+			}
+			this->send_msg = FALSE;
+			break;
+		}
+		case TNCCS_MSG_RECOMMENDATION:
+		{
+			tnccs_recommendation_msg_t *rec_msg;
+			TNC_IMV_Action_Recommendation rec;
+			TNC_ConnectionState state = TNC_CONNECTION_STATE_ACCESS_NONE;
+
+			rec_msg = (tnccs_recommendation_msg_t*)msg;
+			rec = rec_msg->get_recommendation(rec_msg);
+			if (this->is_server)
+			{
+				DBG1(DBG_TNC, "ignoring NCCS-Recommendation message from "
+							  " TNC client");
+				break;
+			}
+			DBG1(DBG_TNC, "TNC recommendation is '%N'",
+				 TNC_IMV_Action_Recommendation_names, rec);
+			switch (rec)
+			{
+				case TNC_IMV_ACTION_RECOMMENDATION_ALLOW:
+					state = TNC_CONNECTION_STATE_ACCESS_ALLOWED;
+					break;
+				case TNC_IMV_ACTION_RECOMMENDATION_ISOLATE:
+					state = TNC_CONNECTION_STATE_ACCESS_ISOLATED;
+					break;
+				case TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS:
+				default:
+					state = TNC_CONNECTION_STATE_ACCESS_NONE;
+			}
+			tnc->imcs->notify_connection_change(tnc->imcs, this->connection_id,
+												state);
+			this->delete_state = TRUE;
+			break;
+		}
+		case TNCCS_MSG_ERROR:
+		{
+			tnccs_error_msg_t *err_msg;
+			tnccs_error_type_t error_type;
+			char *error_msg;
+
+			err_msg = (tnccs_error_msg_t*)msg;
+			error_msg = err_msg->get_message(err_msg, &error_type);
+			DBG1(DBG_TNC, "received '%N' TNCCS-Error: %s",
+				 tnccs_error_type_names, error_type, error_msg);
+
+			/* we assume that all errors are fatal */
+			this->fatal_error = TRUE;
+			break;
+		}
+		case TNCCS_MSG_PREFERRED_LANGUAGE:
+		{
+			tnccs_preferred_language_msg_t *lang_msg;
+			char *lang;
+
+			lang_msg = (tnccs_preferred_language_msg_t*)msg;
+			lang = lang_msg->get_preferred_language(lang_msg);
+
+			DBG2(DBG_TNC, "setting preferred language to '%s'", lang);
+			this->recs->set_preferred_language(this->recs,
+									chunk_create(lang, strlen(lang)));
+			break;
+		}
+		case TNCCS_MSG_REASON_STRINGS:
+		{
+			tnccs_reason_strings_msg_t *reason_msg;
+			chunk_t reason_string, reason_lang;
+
+			reason_msg = (tnccs_reason_strings_msg_t*)msg;
+			reason_string = reason_msg->get_reason(reason_msg, &reason_lang);
+			DBG2(DBG_TNC, "reason string is '%.*s'", (int)reason_string.len,
+													 reason_string.ptr);
+			DBG2(DBG_TNC, "language code is '%.*s'", (int)reason_lang.len,
+													 reason_lang.ptr);
+			break;
+		}
+		default:
+			break;
+	}
+}
+
+METHOD(tls_t, process, status_t,
+	private_tnccs_11_t *this, void *buf, size_t buflen)
+{
+	chunk_t data;
+	tnccs_batch_t *batch;
+	tnccs_msg_t *msg;
+	enumerator_t *enumerator;
+	status_t status;
+
+	if (this->is_server && !this->connection_id)
+	{
+		this->connection_id = tnc->tnccs->create_connection(tnc->tnccs,
+									TNCCS_1_1, (tnccs_t*)this, _send_msg,
+									&this->request_handshake_retry,
+									this->max_msg_len, &this->recs);
+		if (!this->connection_id)
+		{
+			return FAILED;
+		}
+		tnc->imvs->notify_connection_change(tnc->imvs, this->connection_id,
+											TNC_CONNECTION_STATE_CREATE);
+		tnc->imvs->notify_connection_change(tnc->imvs, this->connection_id,
+											TNC_CONNECTION_STATE_HANDSHAKE);
+	}
+
+	data = chunk_create(buf, buflen);
+	DBG1(DBG_TNC, "received TNCCS Batch (%u bytes) for Connection ID %u",
+				   data.len, this->connection_id);
+	DBG3(DBG_TNC, "%.*s", (int)data.len, data.ptr);
+	batch = tnccs_batch_create_from_data(this->is_server, ++this->batch_id, data);
+	status = batch->process(batch);
+
+	if (status == FAILED)
+	{
+		this->fatal_error = TRUE;
+		this->mutex->lock(this->mutex);
+		if (this->batch)
+		{
+			DBG1(DBG_TNC, "cancelling TNCCS batch");
+			this->batch->destroy(this->batch);
+			this->batch_id--;
+		 }
+		this->batch = tnccs_batch_create(this->is_server, ++this->batch_id);
+
+		/* add error messages to outbound batch */
+		enumerator = batch->create_error_enumerator(batch);
+		while (enumerator->enumerate(enumerator, &msg))
+		{
+			this->batch->add_msg(this->batch, msg->get_ref(msg));
+		}
+		enumerator->destroy(enumerator);
+		this->mutex->unlock(this->mutex);
+	}
+	else
+	{
+		enumerator = batch->create_msg_enumerator(batch);
+		while (enumerator->enumerate(enumerator, &msg))
+		{
+			handle_message(this, msg);
+		}
+		enumerator->destroy(enumerator);
+
+		/* received any TNCCS-Error messages */
+		if (this->fatal_error)
+		{
+			DBG1(DBG_TNC, "a fatal TNCCS-Error occurred, terminating connection");
+			batch->destroy(batch);
+			return FAILED;
+		}
+
+		this->send_msg = TRUE;
+		if (this->is_server)
+		{
+			tnc->imvs->batch_ending(tnc->imvs, this->connection_id);
+		}
+		else
+		{
+			tnc->imcs->batch_ending(tnc->imcs, this->connection_id);
+		}
+		this->send_msg = FALSE;
+	}
+	batch->destroy(batch);
+
+	return NEED_MORE;
+}
+
+/**
+ *  Add a recommendation message if a final recommendation is available
+ */
+static void check_and_build_recommendation(private_tnccs_11_t *this)
+{
+	TNC_IMV_Action_Recommendation rec;
+	TNC_IMV_Evaluation_Result eval;
+	TNC_IMVID id;
+	chunk_t reason, language;
+	enumerator_t *enumerator;
+	tnccs_msg_t *msg;
+
+	if (!this->recs->have_recommendation(this->recs, &rec, &eval))
+	{
+		tnc->imvs->solicit_recommendation(tnc->imvs, this->connection_id);
+	}
+	if (this->recs->have_recommendation(this->recs, &rec, &eval))
+	{
+		if (!this->batch)
+		{
+			this->batch = tnccs_batch_create(this->is_server, ++this->batch_id);
+		}
+
+		msg = tnccs_recommendation_msg_create(rec);
+		this->batch->add_msg(this->batch, msg);
+
+		/* currently we just send the first Reason String */
+		enumerator = this->recs->create_reason_enumerator(this->recs);
+		if (enumerator->enumerate(enumerator, &id, &reason, &language))
+		{
+			msg = tnccs_reason_strings_msg_create(reason, language);
+			this->batch->add_msg(this->batch, msg);
+		}
+		enumerator->destroy(enumerator);
+
+		/* we have reache the final state */
+		this->delete_state = TRUE;
+	}
+}
+
+METHOD(tls_t, build, status_t,
+	private_tnccs_11_t *this, void *buf, size_t *buflen, size_t *msglen)
+{
+	status_t status;
+
+	/* Initialize the connection */
+	if (!this->is_server && !this->connection_id)
+	{
+		tnccs_msg_t *msg;
+		char *pref_lang;
+
+		this->connection_id = tnc->tnccs->create_connection(tnc->tnccs,
+										TNCCS_1_1, (tnccs_t*)this, _send_msg,
+										&this->request_handshake_retry,
+										this->max_msg_len, NULL);
+		if (!this->connection_id)
+		{
+			return FAILED;
+		}
+
+		/* Create TNCCS-PreferredLanguage message */
+		pref_lang = tnc->imcs->get_preferred_language(tnc->imcs);
+		msg = tnccs_preferred_language_msg_create(pref_lang);
+		this->mutex->lock(this->mutex);
+		this->batch = tnccs_batch_create(this->is_server, ++this->batch_id);
+		this->batch->add_msg(this->batch, msg);
+		this->mutex->unlock(this->mutex);
+
+		tnc->imcs->notify_connection_change(tnc->imcs, this->connection_id,
+											TNC_CONNECTION_STATE_CREATE);
+		tnc->imcs->notify_connection_change(tnc->imcs, this->connection_id,
+											TNC_CONNECTION_STATE_HANDSHAKE);
+		this->send_msg = TRUE;
+		tnc->imcs->begin_handshake(tnc->imcs, this->connection_id);
+		this->send_msg = FALSE;
+	}
+
+	/* Do not allow any asynchronous IMCs or IMVs to add additional messages */
+	this->mutex->lock(this->mutex);
+
+	if (this->recs && !this->delete_state &&
+	   (!this->batch || this->fatal_error))
+	{
+		check_and_build_recommendation(this);
+	}
+
+	if (this->batch)
+	{
+		chunk_t data;
+
+		this->batch->build(this->batch);
+		data = this->batch->get_encoding(this->batch);
+		DBG1(DBG_TNC, "sending TNCCS Batch (%d bytes) for Connection ID %u",
+					   data.len, this->connection_id);
+		DBG3(DBG_TNC, "%.*s", (int)data.len, data.ptr);
+		*msglen = 0;
+
+		if (data.len > *buflen)
+		{
+			DBG1(DBG_TNC, "fragmentation of TNCCS batch not supported yet");
+		}
+		else
+		{
+			*buflen = data.len;
+		}
+		memcpy(buf, data.ptr, *buflen);
+		this->batch->destroy(this->batch);
+		this->batch = NULL;
+		status = ALREADY_DONE;
+	}
+	else
+	{
+		DBG1(DBG_TNC, "no TNCCS Batch to send");
+		status = INVALID_STATE;
+	}
+	this->mutex->unlock(this->mutex);
+
+	return status;
+}
+
+METHOD(tls_t, is_server, bool,
+	private_tnccs_11_t *this)
+{
+	return this->is_server;
+}
+
+METHOD(tls_t, get_server_id, identification_t*,
+	private_tnccs_11_t *this)
+{
+	return this->server;
+}
+
+METHOD(tls_t, set_peer_id, void,
+	private_tnccs_11_t *this, identification_t *id)
+{
+	DESTROY_IF(this->peer);
+	this->peer = id->clone(id);
+}
+
+METHOD(tls_t, get_peer_id, identification_t*,
+	private_tnccs_11_t *this)
+{
+	return this->peer;
+}
+
+METHOD(tls_t, get_purpose, tls_purpose_t,
+	private_tnccs_11_t *this)
+{
+	return TLS_PURPOSE_EAP_TNC;
+}
+
+METHOD(tls_t, is_complete, bool,
+	private_tnccs_11_t *this)
+{
+	TNC_IMV_Action_Recommendation rec;
+	TNC_IMV_Evaluation_Result eval;
+
+	if (this->recs && this->recs->have_recommendation(this->recs, &rec, &eval))
+	{
+		return this->callback ? this->callback(rec, eval) : TRUE;
+	}
+	else
+	{
+		return FALSE;
+	}
+}
+
+METHOD(tls_t, get_eap_msk, chunk_t,
+	private_tnccs_11_t *this)
+{
+	return chunk_empty;
+}
+
+METHOD(tls_t, destroy, void,
+	private_tnccs_11_t *this)
+{
+	if (ref_put(&this->ref))
+	{
+		tnc->tnccs->remove_connection(tnc->tnccs, this->connection_id,
+												  this->is_server);
+		this->server->destroy(this->server);
+		this->peer->destroy(this->peer);
+		this->mutex->destroy(this->mutex);
+		DESTROY_IF(this->batch);
+		free(this);
+	}
+}
+
+METHOD(tnccs_t, get_transport, tnc_ift_type_t,
+	private_tnccs_11_t *this)
+{
+	return this->transport;
+}
+
+METHOD(tnccs_t, set_transport, void,
+	private_tnccs_11_t *this, tnc_ift_type_t transport)
+{
+	this->transport = transport;
+}
+
+METHOD(tnccs_t, get_auth_type, u_int32_t,
+	private_tnccs_11_t *this)
+{
+	return this->auth_type;
+}
+
+METHOD(tnccs_t, set_auth_type, void,
+	private_tnccs_11_t *this, u_int32_t auth_type)
+{
+	this->auth_type = auth_type;
+}
+
+METHOD(tnccs_t, get_pdp_server, chunk_t,
+	private_tnccs_11_t *this, u_int16_t *port)
+{
+	*port = 0;
+
+	return chunk_empty;
+}
+
+METHOD(tnccs_t, get_ref, tnccs_t*,
+	private_tnccs_11_t *this)
+{
+	ref_get(&this->ref);
+	return &this->public;
+}
+
+/**
+ * See header
+ */
+tnccs_t* tnccs_11_create(bool is_server,
+						 identification_t *server, identification_t *peer,
+						 tnc_ift_type_t transport, tnccs_cb_t cb)
+{
+	private_tnccs_11_t *this;
+
+	INIT(this,
+		.public = {
+			.tls = {
+				.process = _process,
+				.build = _build,
+				.is_server = _is_server,
+				.get_server_id = _get_server_id,
+				.set_peer_id = _set_peer_id,
+				.get_peer_id = _get_peer_id,
+				.get_purpose = _get_purpose,
+				.is_complete = _is_complete,
+				.get_eap_msk = _get_eap_msk,
+				.destroy = _destroy,
+			},
+			.get_transport = _get_transport,
+			.set_transport = _set_transport,
+			.get_auth_type = _get_auth_type,
+			.set_auth_type = _set_auth_type,
+			.get_pdp_server = _get_pdp_server,
+			.get_ref = _get_ref,
+		},
+		.is_server = is_server,
+		.server = server->clone(server),
+		.peer = peer->clone(peer),
+		.transport = transport,
+		.callback = cb,
+		.mutex = mutex_create(MUTEX_TYPE_DEFAULT),
+		.max_msg_len = lib->settings->get_int(lib->settings,
+							"libtnccs.plugins.tnccs-11.max_message_size", 45000),
+		.ref = 1,
+	);
+
+	return &this->public;
+}
diff --git a/src/libtnccs/plugins/tnccs_11/tnccs_11.h b/src/libtnccs/plugins/tnccs_11/tnccs_11.h
new file mode 100644
index 000000000..e805df8bb
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/tnccs_11.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2010-2013 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_11_h tnccs_11
+ * @{ @ingroup tnccs_11
+ */
+
+#ifndef TNCCS_11_H_
+#define TNCCS_11_H_
+
+#include <library.h>
+
+#include <tnc/tnccs/tnccs.h>
+
+/**
+ * Create an instance of the TNC IF-TNCCS 1.1 protocol handler.
+ *
+ * @param is_server		TRUE to act as TNC Server, FALSE for TNC Client
+ * @param server		Server identity
+ * @param peer			Client identity
+ * @param transport		Underlying IF-T transport protocol
+ * @param cb			Callback function if TNC Server, NULL if TNC Client
+ * @return				TNC_IF_TNCCS 1.1 protocol stack
+ */
+tnccs_t* tnccs_11_create(bool is_server,
+						 identification_t *server, identification_t *peer,
+						 tnc_ift_type_t transport, tnccs_cb_t cb);
+
+#endif /** TNCCS_11_H_ @}*/
diff --git a/src/libtnccs/plugins/tnccs_11/tnccs_11_plugin.c b/src/libtnccs/plugins/tnccs_11/tnccs_11_plugin.c
new file mode 100644
index 000000000..f534af008
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/tnccs_11_plugin.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "tnccs_11_plugin.h"
+#include "tnccs_11.h"
+
+#include <tnc/tnccs/tnccs_manager.h>
+
+METHOD(plugin_t, get_name, char*,
+	tnccs_11_plugin_t *this)
+{
+	return "tnccs-11";
+}
+
+METHOD(plugin_t, get_features, int,
+	tnccs_11_plugin_t *this, plugin_feature_t *features[])
+{
+	static plugin_feature_t f[] = {
+		PLUGIN_CALLBACK(tnccs_method_register, tnccs_11_create),
+			PLUGIN_PROVIDE(CUSTOM, "tnccs-1.1"),
+				PLUGIN_DEPENDS(CUSTOM, "tnccs-manager"),
+	};
+	*features = f;
+	return countof(f);
+}
+
+METHOD(plugin_t, destroy, void,
+	tnccs_11_plugin_t *this)
+{
+	free(this);
+}
+
+/*
+ * see header file
+ */
+plugin_t *tnccs_11_plugin_create()
+{
+	tnccs_11_plugin_t *this;
+
+	INIT(this,
+		.plugin = {
+			.get_name = _get_name,
+			.get_features = _get_features,
+			.destroy = _destroy,
+		},
+	);
+
+	return &this->plugin;
+}
diff --git a/src/libtnccs/plugins/tnccs_11/tnccs_11_plugin.h b/src/libtnccs/plugins/tnccs_11/tnccs_11_plugin.h
new file mode 100644
index 000000000..619a073ad
--- /dev/null
+++ b/src/libtnccs/plugins/tnccs_11/tnccs_11_plugin.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2010 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup tnccs_11 tnccs_11
+ * @ingroup cplugins
+ *
+ * @defgroup tnccs_11_plugin tnccs_11_plugin
+ * @{ @ingroup tnccs_11
+ */
+
+#ifndef TNCCS_11_PLUGIN_H_
+#define TNCCS_11_PLUGIN_H_
+
+#include <plugins/plugin.h>
+
+typedef struct tnccs_11_plugin_t tnccs_11_plugin_t;
+
+/**
+ * EAP-TNC plugin
+ */
+struct tnccs_11_plugin_t {
+
+	/**
+	 * implements plugin interface
+	 */
+	plugin_t plugin;
+};
+
+#endif /** TNCCS_11_PLUGIN_H_ @}*/