Imported Upstream version 5.0.2

5 files changed, 1430 insertions, 0 deletions

diff --git a/src/libimcv/plugins/imc_os/Makefile.am b/src/libimcv/plugins/imc_os/Makefile.am
new file mode 100644
index 000000000..0bfe776a5
--- /dev/null
+++ b/src/libimcv/plugins/imc_os/Makefile.am
@@ -0,0 +1,15 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libtncif \
+	-I$(top_srcdir)/src/libimcv
+
+AM_CFLAGS = -rdynamic
+
+imcv_LTLIBRARIES = imc-os.la
+
+imc_os_la_LIBADD = $(top_builddir)/src/libimcv/libimcv.la \
+	$(top_builddir)/src/libstrongswan/libstrongswan.la
+
+imc_os_la_SOURCES = imc_os.c imc_os_state.h imc_os_state.c
+
+imc_os_la_LDFLAGS = -module -avoid-version
+
diff --git a/src/libimcv/plugins/imc_os/Makefile.in b/src/libimcv/plugins/imc_os/Makefile.in
new file mode 100644
index 000000000..7b871df2a
--- /dev/null
+++ b/src/libimcv/plugins/imc_os/Makefile.in
@@ -0,0 +1,620 @@
+# Makefile.in generated by automake 1.11.3 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
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+install_sh_DATA = $(install_sh) -c -m 644
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = src/libimcv/plugins/imc_os
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
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+am__aclocal_m4_deps = $(top_srcdir)/m4/config/libtool.m4 \
+	$(top_srcdir)/m4/config/ltoptions.m4 \
+	$(top_srcdir)/m4/config/ltsugar.m4 \
+	$(top_srcdir)/m4/config/ltversion.m4 \
+	$(top_srcdir)/m4/config/lt~obsolete.m4 \
+	$(top_srcdir)/m4/macros/with.m4 \
+	$(top_srcdir)/m4/macros/enable-disable.m4 \
+	$(top_srcdir)/m4/macros/add-plugin.m4 \
+	$(top_srcdir)/configure.in
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+         $(am__cd) "$$dir" && rm -f $$files; }; \
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+LTLIBRARIES = $(imcv_LTLIBRARIES)
+imc_os_la_DEPENDENCIES = $(top_builddir)/src/libimcv/libimcv.la \
+	$(top_builddir)/src/libstrongswan/libstrongswan.la
+am_imc_os_la_OBJECTS = imc_os.lo imc_os_state.lo
+imc_os_la_OBJECTS = $(am_imc_os_la_OBJECTS)
+imc_os_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(imc_os_la_LDFLAGS) $(LDFLAGS) -o $@
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+build_os = @build_os@
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+charon_natt_port = @charon_natt_port@
+charon_plugins = @charon_plugins@
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+clearsilver_LIBS = @clearsilver_LIBS@
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+medsrv_plugins = @medsrv_plugins@
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+openac_plugins = @openac_plugins@
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+psdir = @psdir@
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+routing_table = @routing_table@
+routing_table_prio = @routing_table_prio@
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+sbindir = @sbindir@
+scepclient_plugins = @scepclient_plugins@
+scripts_plugins = @scripts_plugins@
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+soup_CFLAGS = @soup_CFLAGS@
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+xml_LIBS = @xml_LIBS@
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+	-I$(top_srcdir)/src/libimcv
+
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+	$(top_builddir)/src/libstrongswan/libstrongswan.la
+
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+imc_os_la_LDFLAGS = -module -avoid-version
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+
+.SUFFIXES:
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+	      exit 1;; \
+	  esac; \
+	done; \
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+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/libimcv/plugins/imc_os/Makefile
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	}
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+	done
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+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
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+	$(imc_os_la_LINK) -rpath $(imcvdir) $(imc_os_la_OBJECTS) $(imc_os_la_LIBADD) $(LIBS)
+
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+@am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
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+		$(TAGS_FILES) $(LISP)
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+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/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)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(imcvdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    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 $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-imcvLTLIBRARIES clean-libtool \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(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-imcvLTLIBRARIES
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-imcvLTLIBRARIES
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-imcvLTLIBRARIES clean-libtool ctags 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-imcvLTLIBRARIES install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-imcvLTLIBRARIES
+
+
+# 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/libimcv/plugins/imc_os/imc_os.c b/src/libimcv/plugins/imc_os/imc_os.c
new file mode 100644
index 000000000..f6e205ce7
--- /dev/null
+++ b/src/libimcv/plugins/imc_os/imc_os.c
@@ -0,0 +1,585 @@
+/*
+ * Copyright (C) 2011-2012 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_os_state.h"
+
+#include <imc/imc_agent.h>
+#include <imc/imc_msg.h>
+#include <ietf/ietf_attr.h>
+#include <ietf/ietf_attr_attr_request.h>
+#include <ietf/ietf_attr_default_pwd_enabled.h>
+#include <ietf/ietf_attr_fwd_enabled.h>
+#include <ietf/ietf_attr_installed_packages.h>
+#include <ietf/ietf_attr_numeric_version.h>
+#include <ietf/ietf_attr_op_status.h>
+#include <ietf/ietf_attr_product_info.h>
+#include <ietf/ietf_attr_string_version.h>
+#include <ita/ita_attr.h>
+#include <ita/ita_attr_get_settings.h>
+#include <ita/ita_attr_settings.h>
+#include <ita/ita_attr_angel.h>
+#include <os_info/os_info.h>
+
+#include <tncif_pa_subtypes.h>
+
+#include <pen/pen.h>
+#include <utils/debug.h>
+
+/* IMC definitions */
+
+static const char imc_name[] = "OS";
+
+static pen_type_t msg_types[] = {
+	{ PEN_IETF, PA_SUBTYPE_IETF_OPERATING_SYSTEM }
+};
+
+static imc_agent_t *imc_os;
+static os_info_t *os;
+
+/**
+ * see section 3.8.1 of TCG TNC IF-IMC Specification 1.3
+ */
+TNC_Result TNC_IMC_Initialize(TNC_IMCID imc_id,
+							  TNC_Version min_version,
+							  TNC_Version max_version,
+							  TNC_Version *actual_version)
+{
+	if (imc_os)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has already been initialized", imc_name);
+		return TNC_RESULT_ALREADY_INITIALIZED;
+	}
+	imc_os = imc_agent_create(imc_name, msg_types, countof(msg_types),
+							  imc_id, actual_version);
+	if (!imc_os)
+	{
+		return TNC_RESULT_FATAL;
+	}
+
+	os = os_info_create();
+	if (!os)
+	{
+		imc_os->destroy(imc_os);
+		imc_os = NULL;
+
+		return TNC_RESULT_FATAL;
+	}
+
+	if (min_version > TNC_IFIMC_VERSION_1 || max_version < TNC_IFIMC_VERSION_1)
+	{
+		DBG1(DBG_IMC, "no common IF-IMC version");
+		return TNC_RESULT_NO_COMMON_VERSION;
+	}
+	return TNC_RESULT_SUCCESS;
+}
+
+/**
+ * see section 3.8.2 of TCG TNC IF-IMC Specification 1.3
+ */
+TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
+										  TNC_ConnectionID connection_id,
+										  TNC_ConnectionState new_state)
+{
+	imc_state_t *state;
+
+	if (!imc_os)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+	switch (new_state)
+	{
+		case TNC_CONNECTION_STATE_CREATE:
+			state = imc_os_state_create(connection_id);
+			return imc_os->create_state(imc_os, state);
+		case TNC_CONNECTION_STATE_HANDSHAKE:
+			if (imc_os->change_state(imc_os, connection_id, new_state,
+				&state) != TNC_RESULT_SUCCESS)
+			{
+				return TNC_RESULT_FATAL;
+			}
+			state->set_result(state, imc_id,
+							  TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
+			return TNC_RESULT_SUCCESS;
+		case TNC_CONNECTION_STATE_DELETE:
+			return imc_os->delete_state(imc_os, connection_id);
+		default:
+			return imc_os->change_state(imc_os, connection_id,
+											 new_state, NULL);
+	}
+}
+
+/**
+ * Add IETF Product Information attribute to the send queue
+ */
+static void add_product_info(imc_msg_t *msg)
+{
+	pa_tnc_attr_t *attr;
+	os_type_t os_type;
+	pen_t vendor_id = PEN_IETF;
+	int i;
+
+	typedef struct vendor_pen_t {
+		os_type_t os_type;
+		pen_t pen;
+	} vendor_pen_t;
+
+	vendor_pen_t vendor_pens[] = {
+		{ OS_TYPE_DEBIAN,  PEN_DEBIAN },
+		{ OS_TYPE_UBUNTU,  PEN_CANONICAL },
+		{ OS_TYPE_FEDORA,  PEN_FEDORA },
+		{ OS_TYPE_REDHAT,  PEN_REDHAT },
+		{ OS_TYPE_ANDROID, PEN_GOOGLE }
+	};
+
+	os_type = os->get_type(os);
+	for (i = 0; i < countof(vendor_pens); i++)
+	{
+		if (os_type == vendor_pens[i].os_type)
+		{
+			vendor_id = vendor_pens[i].pen;
+			break;
+		}
+	}
+	attr = ietf_attr_product_info_create(vendor_id, 0, os->get_name(os));
+	msg->add_attribute(msg, attr);
+}
+
+/**
+ * Add IETF Numeric Version attribute to the send queue
+ */
+static void add_numeric_version(imc_msg_t *msg)
+{
+	pa_tnc_attr_t *attr;
+	u_int32_t major, minor;
+
+	os->get_numeric_version(os, &major, &minor);
+	DBG1(DBG_IMC, "operating system numeric version is %d.%d",
+				   major, minor);
+
+	attr = ietf_attr_numeric_version_create(major, minor, 0, 0, 0);
+	msg->add_attribute(msg, attr);
+}
+
+/**
+ * Add IETF String Version attribute to the send queue
+ */
+static void add_string_version(imc_msg_t *msg)
+{
+	pa_tnc_attr_t *attr;
+
+	attr = ietf_attr_string_version_create(os->get_version(os),
+										   chunk_empty, chunk_empty);
+	msg->add_attribute(msg, attr);
+}
+
+/**
+ * Add IETF Operational Status attribute to the send queue
+ */
+static void add_op_status(imc_msg_t *msg)
+{
+	pa_tnc_attr_t *attr;
+	time_t uptime, last_boot;
+
+	uptime = os->get_uptime(os);
+	last_boot = uptime ? time(NULL) - uptime : UNDEFINED_TIME;
+	if (last_boot != UNDEFINED_TIME)
+	{
+		DBG1(DBG_IMC, "last boot: %T, %u s ago", &last_boot, TRUE, uptime);
+	}
+	attr = ietf_attr_op_status_create(OP_STATUS_OPERATIONAL,
+									  OP_RESULT_SUCCESSFUL, last_boot);
+	msg->add_attribute(msg, attr);
+}
+
+/**
+ * Add IETF Forwarding Enabled attribute to the send queue
+ */
+static void add_fwd_enabled(imc_msg_t *msg)
+{
+	pa_tnc_attr_t *attr;
+	os_fwd_status_t fwd_status;
+
+	fwd_status = os->get_fwd_status(os);
+	DBG1(DBG_IMC, "IPv4 forwarding status: %N",
+				   os_fwd_status_names, fwd_status);
+	attr = ietf_attr_fwd_enabled_create(fwd_status);
+	msg->add_attribute(msg, attr);
+}
+
+/**
+ * Add IETF Factory Default Password Enabled attribute to the send queue
+ */
+static void add_default_pwd_enabled(imc_msg_t *msg)
+{
+	pa_tnc_attr_t *attr;
+
+	DBG1(DBG_IMC, "factory default password: disabled");
+	attr = ietf_attr_default_pwd_enabled_create(FALSE);
+	msg->add_attribute(msg, attr);
+}
+
+/**
+ * Add an IETF Installed Packages attribute to the send queue
+ */
+static void add_installed_packages(imc_state_t *state, imc_msg_t *msg)
+{
+	pa_tnc_attr_t *attr = NULL, *attr_angel;
+	ietf_attr_installed_packages_t *attr_cast;
+	enumerator_t *enumerator;
+	chunk_t name, version;
+	size_t max_attr_size, attr_size, entry_size;
+	bool first = TRUE;
+
+	/**
+	 * Compute the maximum IETF Installed Packages attribute size
+	 * leaving space for an additional ITA Angel attribute
+	 */
+	max_attr_size = state->get_max_msg_len(state) - 8 - 12;
+
+	/* At least one IETF Installed Packages attribute is sent */
+	attr = ietf_attr_installed_packages_create();
+	attr_size = 12 + 4;
+
+	enumerator = os->create_package_enumerator(os);
+	if (enumerator)
+	{
+		while (enumerator->enumerate(enumerator, &name, &version))
+		{
+			DBG2(DBG_IMC, "package '%.*s' (%.*s)",
+						   name.len, name.ptr, version.len, version.ptr);
+
+			entry_size = 2 + name.len + version.len;
+			if (attr_size + entry_size > max_attr_size)
+			{
+				if (first)
+				{
+					/**
+					 * Send an ITA Start Angel attribute to the IMV signalling
+					 * that multiple ITA Installed Package attributes follow.
+					 */
+					attr_angel = ita_attr_angel_create(TRUE);
+					msg->add_attribute(msg, attr_angel);
+					first = FALSE;
+				}
+				msg->add_attribute(msg, attr);
+
+				/* create the next IETF Installed Packages attribute */
+				attr = ietf_attr_installed_packages_create();
+				attr_size = 12 + 4;
+			}
+			attr_cast = (ietf_attr_installed_packages_t*)attr;
+			attr_cast->add(attr_cast, name, version);
+			attr_size += entry_size;
+		}
+		enumerator->destroy(enumerator);
+	}
+	msg->add_attribute(msg, attr);
+
+	if (!first)
+	{
+		/**
+		 * If we sent an ITA Start Angel attribute in the first place,
+		 * terminate by appending a matching ITA Stop Angel attribute.
+		 */
+		attr_angel = ita_attr_angel_create(FALSE);
+		msg->add_attribute(msg, attr_angel);
+	}
+}
+
+/**
+ * Add ITA Settings attribute to the send queue
+ */
+static void add_settings(enumerator_t *enumerator, imc_msg_t *msg)
+{
+	pa_tnc_attr_t *attr = NULL;
+	ita_attr_settings_t *attr_cast;
+	chunk_t value;
+	char *name;
+	bool first = TRUE;
+
+	while (enumerator->enumerate(enumerator, &name))
+	{
+		DBG1(DBG_IMC, "setting '%s'", name);
+
+		value = os->get_setting(os, name);
+		if (!value.ptr)
+		{
+			continue;
+		}
+		if (first)
+		{
+			attr = ita_attr_settings_create();
+			first = FALSE;
+		}
+		attr_cast = (ita_attr_settings_t*)attr;
+		attr_cast->add(attr_cast, name, value);
+		chunk_free(&value);
+	}
+
+	if (attr)
+	{
+		msg->add_attribute(msg, attr);
+	}
+}
+
+/**
+ * see section 3.8.3 of TCG TNC IF-IMC Specification 1.3
+ */
+TNC_Result TNC_IMC_BeginHandshake(TNC_IMCID imc_id,
+								  TNC_ConnectionID connection_id)
+{
+	imc_state_t *state;
+	imc_msg_t *out_msg;
+	TNC_Result result = TNC_RESULT_SUCCESS;
+
+	if (!imc_os)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+	if (!imc_os->get_state(imc_os, connection_id, &state))
+	{
+		return TNC_RESULT_FATAL;
+	}
+	if (lib->settings->get_bool(lib->settings,
+								"libimcv.plugins.imc-os.push_info", TRUE))
+	{
+		out_msg = imc_msg_create(imc_os, state, connection_id, imc_id,
+								 TNC_IMVID_ANY, msg_types[0]);
+		add_product_info(out_msg);
+		add_string_version(out_msg);
+		add_numeric_version(out_msg);
+		add_op_status(out_msg);
+		add_fwd_enabled(out_msg);
+		add_default_pwd_enabled(out_msg);
+
+		/* send PA-TNC message with the excl flag not set */
+		result = out_msg->send(out_msg, FALSE);
+		out_msg->destroy(out_msg);
+	}
+
+	return result;
+}
+
+static TNC_Result receive_message(imc_state_t *state, imc_msg_t *in_msg)
+{
+	imc_msg_t *out_msg;
+	enumerator_t *enumerator;
+	pa_tnc_attr_t *attr;
+	pen_type_t type;
+	TNC_Result result;
+	bool fatal_error = FALSE;
+
+	/* parse received PA-TNC message and handle local and remote errors */
+	result = in_msg->receive(in_msg, &fatal_error);
+	if (result != TNC_RESULT_SUCCESS)
+	{
+		return result;
+	}
+	out_msg = imc_msg_create_as_reply(in_msg);
+
+	/* analyze PA-TNC attributes */
+	enumerator = in_msg->create_attribute_enumerator(in_msg);
+	while (enumerator->enumerate(enumerator, &attr))
+	{
+		type = attr->get_type(attr);
+
+		if (type.vendor_id == PEN_IETF)
+		{
+			if (type.type == IETF_ATTR_ATTRIBUTE_REQUEST)
+			{
+				ietf_attr_attr_request_t *attr_cast;
+				pen_type_t *entry;
+				enumerator_t *e;
+
+				attr_cast = (ietf_attr_attr_request_t*)attr;
+
+				e = attr_cast->create_enumerator(attr_cast);
+				while (e->enumerate(e, &entry))
+				{
+					if (entry->vendor_id != PEN_IETF)
+					{
+						continue;
+					}
+					switch (entry->type)
+					{
+						case IETF_ATTR_PRODUCT_INFORMATION:
+							add_product_info(out_msg);
+							break;
+						case IETF_ATTR_STRING_VERSION:
+							add_string_version(out_msg);
+							break;
+						case IETF_ATTR_NUMERIC_VERSION:
+							add_numeric_version(out_msg);
+							break;
+						case IETF_ATTR_OPERATIONAL_STATUS:
+							add_op_status(out_msg);
+							break;
+						case IETF_ATTR_FORWARDING_ENABLED:
+							add_fwd_enabled(out_msg);
+							break;
+						case IETF_ATTR_FACTORY_DEFAULT_PWD_ENABLED:
+							add_default_pwd_enabled(out_msg);
+							break;
+						case IETF_ATTR_INSTALLED_PACKAGES:
+							add_installed_packages(state, out_msg);
+							break;
+						default:
+							break;
+					}
+				}
+				e->destroy(e);
+			}
+		}
+		else if (type.vendor_id == PEN_ITA && type.type == ITA_ATTR_GET_SETTINGS)
+		{
+			ita_attr_get_settings_t *attr_cast;
+			enumerator_t *e;
+
+			attr_cast = (ita_attr_get_settings_t*)attr;
+
+			e = attr_cast->create_enumerator(attr_cast);
+			add_settings(e, out_msg);
+			e->destroy(e);
+		}
+	}
+	enumerator->destroy(enumerator);
+
+	if (fatal_error)
+	{
+		result = TNC_RESULT_FATAL;
+	}
+	else
+	{
+		result = out_msg->send(out_msg, TRUE);
+	}
+	out_msg->destroy(out_msg);
+
+	return result;
+}
+
+/**
+ * see section 3.8.4 of TCG TNC IF-IMC Specification 1.3
+
+ */
+TNC_Result TNC_IMC_ReceiveMessage(TNC_IMCID imc_id,
+								  TNC_ConnectionID connection_id,
+								  TNC_BufferReference msg,
+								  TNC_UInt32 msg_len,
+								  TNC_MessageType msg_type)
+{
+	imc_state_t *state;
+	imc_msg_t *in_msg;
+	TNC_Result result;
+
+	if (!imc_os)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+	if (!imc_os->get_state(imc_os, connection_id, &state))
+	{
+		return TNC_RESULT_FATAL;
+	}
+	in_msg = imc_msg_create_from_data(imc_os, state, connection_id, msg_type,
+									  chunk_create(msg, msg_len));
+	result = receive_message(state, in_msg);
+	in_msg->destroy(in_msg);
+
+	return result;
+}
+
+/**
+ * see section 3.8.6 of TCG TNC IF-IMV Specification 1.3
+ */
+TNC_Result TNC_IMC_ReceiveMessageLong(TNC_IMCID imc_id,
+									  TNC_ConnectionID connection_id,
+									  TNC_UInt32 msg_flags,
+									  TNC_BufferReference msg,
+									  TNC_UInt32 msg_len,
+									  TNC_VendorID msg_vid,
+									  TNC_MessageSubtype msg_subtype,
+									  TNC_UInt32 src_imv_id,
+									  TNC_UInt32 dst_imc_id)
+{
+	imc_state_t *state;
+	imc_msg_t *in_msg;
+	TNC_Result result;
+
+	if (!imc_os)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+	if (!imc_os->get_state(imc_os, connection_id, &state))
+	{
+		return TNC_RESULT_FATAL;
+	}
+	in_msg = imc_msg_create_from_long_data(imc_os, state, connection_id,
+								src_imv_id, dst_imc_id,msg_vid, msg_subtype,
+								chunk_create(msg, msg_len));
+	result =receive_message(state, in_msg);
+	in_msg->destroy(in_msg);
+
+	return result;
+}
+
+/**
+ * see section 3.8.7 of TCG TNC IF-IMC Specification 1.3
+ */
+TNC_Result TNC_IMC_BatchEnding(TNC_IMCID imc_id,
+							   TNC_ConnectionID connection_id)
+{
+	if (!imc_os)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+	return TNC_RESULT_SUCCESS;
+}
+
+/**
+ * see section 3.8.8 of TCG TNC IF-IMC Specification 1.3
+ */
+TNC_Result TNC_IMC_Terminate(TNC_IMCID imc_id)
+{
+	if (!imc_os)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+	imc_os->destroy(imc_os);
+	imc_os = NULL;
+
+	os->destroy(os);
+	os = NULL;
+
+	return TNC_RESULT_SUCCESS;
+}
+
+/**
+ * see section 4.2.8.1 of TCG TNC IF-IMC Specification 1.3
+ */
+TNC_Result TNC_IMC_ProvideBindFunction(TNC_IMCID imc_id,
+									   TNC_TNCC_BindFunctionPointer bind_function)
+{
+	if (!imc_os)
+	{
+		DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+		return TNC_RESULT_NOT_INITIALIZED;
+	}
+	return imc_os->bind_functions(imc_os, bind_function);
+}
diff --git a/src/libimcv/plugins/imc_os/imc_os_state.c b/src/libimcv/plugins/imc_os/imc_os_state.c
new file mode 100644
index 000000000..f49959ab9
--- /dev/null
+++ b/src/libimcv/plugins/imc_os/imc_os_state.c
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2012 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_os_state.h"
+
+#include <tncif_names.h>
+
+#include <utils/debug.h>
+
+typedef struct private_imc_os_state_t private_imc_os_state_t;
+
+/**
+ * Private data of an imc_os_state_t object.
+ */
+struct private_imc_os_state_t {
+
+	/**
+	 * Public members of imc_os_state_t
+	 */
+	imc_os_state_t public;
+
+	/**
+	 * TNCCS connection ID
+	 */
+	TNC_ConnectionID connection_id;
+
+	/**
+	 * TNCCS connection state
+	 */
+	TNC_ConnectionState state;
+
+	/**
+	 * Assessment/Evaluation Result
+	 */
+	TNC_IMV_Evaluation_Result result;
+
+	/**
+	 * Does the TNCCS connection support long message types?
+	 */
+	bool has_long;
+
+	/**
+	 * Does the TNCCS connection support exclusive delivery?
+	 */
+	bool has_excl;
+
+	/**
+	 * Maximum PA-TNC message size for this TNCCS connection
+	 */
+	u_int32_t max_msg_len;
+};
+
+METHOD(imc_state_t, get_connection_id, TNC_ConnectionID,
+	private_imc_os_state_t *this)
+{
+	return this->connection_id;
+}
+
+METHOD(imc_state_t, has_long, bool,
+	private_imc_os_state_t *this)
+{
+	return this->has_long;
+}
+
+METHOD(imc_state_t, has_excl, bool,
+	private_imc_os_state_t *this)
+{
+	return this->has_excl;
+}
+
+METHOD(imc_state_t, set_flags, void,
+	private_imc_os_state_t *this, bool has_long, bool has_excl)
+{
+	this->has_long = has_long;
+	this->has_excl = has_excl;
+}
+
+METHOD(imc_state_t, set_max_msg_len, void,
+	private_imc_os_state_t *this, u_int32_t max_msg_len)
+{
+	this->max_msg_len = max_msg_len;
+}
+
+METHOD(imc_state_t, get_max_msg_len, u_int32_t,
+	private_imc_os_state_t *this)
+{
+	return this->max_msg_len;
+}
+
+METHOD(imc_state_t, change_state, void,
+	private_imc_os_state_t *this, TNC_ConnectionState new_state)
+{
+	this->state = new_state;
+}
+
+METHOD(imc_state_t, set_result, void,
+	private_imc_os_state_t *this, TNC_IMCID id,
+	TNC_IMV_Evaluation_Result result)
+{
+	this->result = result;
+}
+
+METHOD(imc_state_t, get_result, bool,
+	private_imc_os_state_t *this, TNC_IMCID id,
+	TNC_IMV_Evaluation_Result *result)
+{
+	if (result)
+	{
+		*result = this->result;
+	}
+	return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
+}
+
+METHOD(imc_state_t, destroy, void,
+	private_imc_os_state_t *this)
+{
+	free(this);
+}
+
+/**
+ * Described in header.
+ */
+imc_state_t *imc_os_state_create(TNC_ConnectionID connection_id)
+{
+	private_imc_os_state_t *this;
+
+	INIT(this,
+		.public = {
+			.interface = {
+				.get_connection_id = _get_connection_id,
+				.has_long = _has_long,
+				.has_excl = _has_excl,
+				.set_flags = _set_flags,
+				.set_max_msg_len = _set_max_msg_len,
+				.get_max_msg_len = _get_max_msg_len,
+				.change_state = _change_state,
+				.set_result = _set_result,
+				.get_result = _get_result,
+				.destroy = _destroy,
+			},
+		},
+		.state = TNC_CONNECTION_STATE_CREATE,
+		.result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
+		.connection_id = connection_id,
+	);
+
+	return &this->public.interface;
+}
+
+
diff --git a/src/libimcv/plugins/imc_os/imc_os_state.h b/src/libimcv/plugins/imc_os/imc_os_state.h
new file mode 100644
index 000000000..1fe23175a
--- /dev/null
+++ b/src/libimcv/plugins/imc_os/imc_os_state.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2012 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_os_state_t imc_os_state
+ * @{ @ingroup imc_os_state
+ */
+
+#ifndef IMC_OS_STATE_H_
+#define IMC_OS_STATE_H_
+
+#include <imc/imc_state.h>
+#include <library.h>
+
+typedef struct imc_os_state_t imc_os_state_t;
+
+/**
+ * Internal state of an imc_os_t connection instance
+ */
+struct imc_os_state_t {
+
+	/**
+	 * imc_state_t interface
+	 */
+	imc_state_t interface;
+};
+
+/**
+ * Create an imc_os_state_t instance
+ *
+ * @param id		connection ID
+ */
+imc_state_t* imc_os_state_create(TNC_ConnectionID id);
+
+#endif /** IMC_OS_STATE_H_ @}*/