Imported Upstream version 5.1.1

6 files changed, 1246 insertions, 0 deletions

diff --git a/src/libpts/tcg/swid/tcg_swid_attr_req.c b/src/libpts/tcg/swid/tcg_swid_attr_req.c
new file mode 100644
index 000000000..b8e7962c1
--- /dev/null
+++ b/src/libpts/tcg/swid/tcg_swid_attr_req.c
@@ -0,0 +1,329 @@
+/*
+ * Copyright (C) 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 "tcg_swid_attr_req.h"
+
+#include "swid/swid_tag_id.h"
+
+#include <pa_tnc/pa_tnc_msg.h>
+#include <bio/bio_writer.h>
+#include <bio/bio_reader.h>
+#include <utils/debug.h>
+#include <collections/linked_list.h>
+
+typedef struct private_tcg_swid_attr_req_t private_tcg_swid_attr_req_t;
+
+/**
+ * SWID Request
+ * see section 4.7 of TCG TNC SWID Message and Attributes for IF-M
+ *
+ *                       1                   2                   3
+ *   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |Reserved |C|S|R|                   Tag ID Count                |
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |                          Request ID                           |
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |                         Earliest EID                          |
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |       Tag Creator Length      | Tag Creator (variable length) |
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |    Unique Software ID Length  |Unique Software ID (var length)|
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+#define SWID_REQ_SIZE					12
+#define SWID_REQ_RESERVED_MASK			0x03
+
+/**
+ * Private data of an tcg_swid_attr_req_t object.
+ */
+struct private_tcg_swid_attr_req_t {
+
+	/**
+	 * Public members of tcg_swid_attr_req_t
+	 */
+	tcg_swid_attr_req_t public;
+
+	/**
+	 * Vendor-specific attribute type
+	 */
+	pen_type_t type;
+
+	/**
+	 * Attribute value
+	 */
+	chunk_t value;
+
+	/**
+	 * Noskip flag
+	 */
+	bool noskip_flag;
+
+	/**
+	 * SWID request flags
+	 */
+	u_int8_t flags;
+
+	/**
+	 * Request ID
+	 */
+	u_int32_t request_id;
+
+	/**
+	 * Earliest EID
+	 */
+	u_int32_t earliest_eid;
+
+	/**
+	 * List of Target Tag Identifiers
+	 */
+	swid_inventory_t *targets;
+
+	/**
+	 * Reference count
+	 */
+	refcount_t ref;
+};
+
+METHOD(pa_tnc_attr_t, get_type, pen_type_t,
+	private_tcg_swid_attr_req_t *this)
+{
+	return this->type;
+}
+
+METHOD(pa_tnc_attr_t, get_value, chunk_t,
+	private_tcg_swid_attr_req_t *this)
+{
+	return this->value;
+}
+
+METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
+	private_tcg_swid_attr_req_t *this)
+{
+	return this->noskip_flag;
+}
+
+METHOD(pa_tnc_attr_t, set_noskip_flag,void,
+	private_tcg_swid_attr_req_t *this, bool noskip)
+{
+	this->noskip_flag = noskip;
+}
+
+METHOD(pa_tnc_attr_t, build, void,
+	private_tcg_swid_attr_req_t *this)
+{
+	bio_writer_t *writer;
+	chunk_t tag_creator, unique_sw_id;
+	swid_tag_id_t *tag_id;
+	enumerator_t *enumerator;
+
+	if (this->value.ptr)
+	{
+		return;
+	}
+
+	writer = bio_writer_create(SWID_REQ_SIZE);
+	writer->write_uint8 (writer, this->flags);
+	writer->write_uint24(writer, this->targets->get_count(this->targets));
+	writer->write_uint32(writer, this->request_id);
+	writer->write_uint32(writer, this->earliest_eid);
+
+	enumerator = this->targets->create_enumerator(this->targets);
+	while (enumerator->enumerate(enumerator, &tag_id))
+	{
+		tag_creator = tag_id->get_tag_creator(tag_id);
+		unique_sw_id = tag_id->get_unique_sw_id(tag_id, NULL);
+		writer->write_data16(writer, tag_creator);
+		writer->write_data16(writer, unique_sw_id);
+	}
+	enumerator->destroy(enumerator);
+
+	this->value = writer->extract_buf(writer);
+	writer->destroy(writer);
+}
+
+METHOD(pa_tnc_attr_t, process, status_t,
+	private_tcg_swid_attr_req_t *this, u_int32_t *offset)
+{
+	bio_reader_t *reader;
+	u_int32_t tag_id_count;
+	chunk_t tag_creator, unique_sw_id;
+	swid_tag_id_t *tag_id;
+
+	if (this->value.len < SWID_REQ_SIZE)
+	{
+		DBG1(DBG_TNC, "insufficient data for SWID Request");
+		*offset = 0;
+		return FAILED;
+	}
+
+	reader = bio_reader_create(this->value);
+	reader->read_uint8 (reader, &this->flags);
+	reader->read_uint24(reader, &tag_id_count);
+	reader->read_uint32(reader, &this->request_id);
+	reader->read_uint32(reader, &this->earliest_eid);
+
+	if (this->request_id == 0)
+	{
+		*offset = 4;
+		return FAILED;
+	}
+	*offset = SWID_REQ_SIZE;
+
+	this->flags &= SWID_REQ_RESERVED_MASK;
+
+	while (tag_id_count--)
+	{
+		if (!reader->read_data16(reader, &tag_creator))
+		{
+			DBG1(DBG_TNC, "insufficient data for Tag Creator field");
+			return FAILED;
+		}
+		*offset += 2 + tag_creator.len;
+
+		if (!reader->read_data16(reader, &unique_sw_id))
+		{
+			DBG1(DBG_TNC, "insufficient data for Unique Software ID");
+			return FAILED;
+		}
+		*offset += 2 + unique_sw_id.len;
+		
+		tag_id = swid_tag_id_create(tag_creator, unique_sw_id, chunk_empty);
+		this->targets->add(this->targets, tag_id);
+	}
+	reader->destroy(reader);
+
+	return SUCCESS;
+}
+
+METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*,
+	private_tcg_swid_attr_req_t *this)
+{
+	ref_get(&this->ref);
+	return &this->public.pa_tnc_attribute;
+}
+
+METHOD(pa_tnc_attr_t, destroy, void,
+	private_tcg_swid_attr_req_t *this)
+{
+	if (ref_put(&this->ref))
+	{
+		this->targets->destroy(this->targets);
+		free(this->value.ptr);
+		free(this);
+	}
+}
+
+METHOD(tcg_swid_attr_req_t, get_flags, u_int8_t,
+	private_tcg_swid_attr_req_t *this)
+{
+	return this->flags;
+}
+
+METHOD(tcg_swid_attr_req_t, get_request_id, u_int32_t,
+	private_tcg_swid_attr_req_t *this)
+{
+	return this->request_id;
+}
+
+METHOD(tcg_swid_attr_req_t, get_earliest_eid, u_int32_t,
+	private_tcg_swid_attr_req_t *this)
+{
+	return this->earliest_eid;
+}
+
+METHOD(tcg_swid_attr_req_t, add_target, void,
+	private_tcg_swid_attr_req_t *this, swid_tag_id_t *tag_id)
+{
+	this->targets->add(this->targets, tag_id);
+}
+
+METHOD(tcg_swid_attr_req_t, get_targets, swid_inventory_t*,
+	private_tcg_swid_attr_req_t *this)
+{
+	return this->targets;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *tcg_swid_attr_req_create(u_int8_t flags, u_int32_t request_id,
+										u_int32_t eid)
+{
+	private_tcg_swid_attr_req_t *this;
+
+	INIT(this,
+		.public = {
+			.pa_tnc_attribute = {
+				.get_type = _get_type,
+				.get_value = _get_value,
+				.get_noskip_flag = _get_noskip_flag,
+				.set_noskip_flag = _set_noskip_flag,
+				.build = _build,
+				.process = _process,
+				.get_ref = _get_ref,
+				.destroy = _destroy,
+			},
+			.get_flags = _get_flags,
+			.get_request_id = _get_request_id,
+			.get_earliest_eid = _get_earliest_eid,
+			.add_target = _add_target,
+			.get_targets = _get_targets,
+		},
+		.type = { PEN_TCG, TCG_SWID_REQUEST },
+		.flags = flags & SWID_REQ_RESERVED_MASK,
+		.request_id = request_id,
+		.earliest_eid = eid,
+		.targets = swid_inventory_create(FALSE),
+		.ref = 1,
+	);
+
+	return &this->public.pa_tnc_attribute;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *tcg_swid_attr_req_create_from_data(chunk_t data)
+{
+	private_tcg_swid_attr_req_t *this;
+
+	INIT(this,
+		.public = {
+			.pa_tnc_attribute = {
+				.get_type = _get_type,
+				.get_value = _get_value,
+				.get_noskip_flag = _get_noskip_flag,
+				.set_noskip_flag = _set_noskip_flag,
+				.build = _build,
+				.process = _process,
+				.get_ref = _get_ref,
+				.destroy = _destroy,
+			},
+			.get_flags = _get_flags,
+			.get_request_id = _get_request_id,
+			.get_earliest_eid = _get_earliest_eid,
+			.add_target = _add_target,
+			.get_targets = _get_targets,
+		},
+		.type = { PEN_TCG, TCG_SWID_REQUEST },
+		.value = chunk_clone(data),
+		.targets = swid_inventory_create(FALSE),
+		.ref = 1,
+	);
+
+	return &this->public.pa_tnc_attribute;
+}
diff --git a/src/libpts/tcg/swid/tcg_swid_attr_req.h b/src/libpts/tcg/swid/tcg_swid_attr_req.h
new file mode 100644
index 000000000..851b68d3b
--- /dev/null
+++ b/src/libpts/tcg/swid/tcg_swid_attr_req.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 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 tcg_swid_attr_req tcg_swid_attr_req
+ * @{ @ingroup tcg_attr
+ */
+
+#ifndef TCG_SWID_ATTR_REQ_H_
+#define TCG_SWID_ATTR_REQ_H_
+
+typedef struct tcg_swid_attr_req_t tcg_swid_attr_req_t;
+typedef enum tcg_swid_attr_req_flag_t tcg_swid_attr_req_flag_t;
+
+enum tcg_swid_attr_req_flag_t {
+	TCG_SWID_ATTR_REQ_FLAG_NONE = 0,
+	TCG_SWID_ATTR_REQ_FLAG_R =   (1 << 0),
+	TCG_SWID_ATTR_REQ_FLAG_S =   (1 << 1),
+	TCG_SWID_ATTR_REQ_FLAG_C =   (1 << 2)
+};
+
+#include "tcg/tcg_attr.h"
+#include "swid/swid_tag_id.h"
+#include "swid/swid_inventory.h"
+#include "pa_tnc/pa_tnc_attr.h"
+
+/**
+ * Class implementing the TCG SWID Request attribute
+ */
+struct tcg_swid_attr_req_t {
+
+	/**
+	 * Public PA-TNC attribute interface
+	 */
+	pa_tnc_attr_t pa_tnc_attribute;
+
+	/**
+	 * Get SWID request flags
+	 *
+	 * @return				Flags
+	 */
+	u_int8_t (*get_flags)(tcg_swid_attr_req_t *this);
+
+	/**
+	 * Get Request ID
+	 *
+	 * @return				Request ID
+	 */
+	u_int32_t (*get_request_id)(tcg_swid_attr_req_t *this);
+
+	/**
+	 * Get Earliest EID
+	 *
+	 * @return				Event ID
+	 */
+	u_int32_t (*get_earliest_eid)(tcg_swid_attr_req_t *this);
+
+	/**
+	 * Add Tag ID
+	 *
+	 * @param tag_id			SWID Tag ID (is not cloned by constructor!)
+	 */
+	void (*add_target)(tcg_swid_attr_req_t *this, swid_tag_id_t *tag_id);
+
+	/**
+	 * Create Tag ID enumerator
+	 *
+	 * @return					Get a list of target tag IDs
+	 */
+	swid_inventory_t* (*get_targets)(tcg_swid_attr_req_t *this);
+
+};
+
+/**
+ * Creates an tcg_swid_attr_req_t object
+ *
+ * @param flags				Sets the C|S|R flags
+ * @param request_id		Request ID
+ * @param eid				Earliest Event ID
+ */
+pa_tnc_attr_t* tcg_swid_attr_req_create(u_int8_t flags, u_int32_t request_id,
+										u_int32_t eid);
+
+/**
+ * Creates an tcg_swid_attr_req_t object from received data
+ *
+ * @param value				unparsed attribute value
+ */
+pa_tnc_attr_t* tcg_swid_attr_req_create_from_data(chunk_t value);
+
+#endif /** TCG_SWID_ATTR_REQ_H_ @}*/
diff --git a/src/libpts/tcg/swid/tcg_swid_attr_tag_id_inv.c b/src/libpts/tcg/swid/tcg_swid_attr_tag_id_inv.c
new file mode 100644
index 000000000..429919edd
--- /dev/null
+++ b/src/libpts/tcg/swid/tcg_swid_attr_tag_id_inv.c
@@ -0,0 +1,325 @@
+/*
+ * Copyright (C) 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 "tcg_swid_attr_tag_id_inv.h"
+
+#include <pa_tnc/pa_tnc_msg.h>
+#include <bio/bio_writer.h>
+#include <bio/bio_reader.h>
+#include <utils/debug.h>
+
+
+typedef struct private_tcg_swid_attr_tag_id_inv_t private_tcg_swid_attr_tag_id_inv_t;
+
+/**
+ * SWID Tag Identifier Inventory
+ * see section 4.8 of TCG TNC SWID Message and Attributes for IF-M
+ *
+ *					   1				   2				   3
+ *   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |   Reserved    |                 Tag ID Count                  | 
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |                        Request ID Copy                        | 
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |                           EID Epoch                           |
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |                           Last EID                            |
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |       Tag Creator Length      | Tag Creator (variable length) |
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |    Unique Software ID Length  |Unique Software ID (var length)|
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |   Unique Sequence ID Length   |Unique Sequence ID (var length)|
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+#define SWID_TAG_ID_INV_SIZE			16
+#define SWID_TAG_ID_INV_RESERVED		0x00
+
+/**
+ * Private data of an tcg_swid_attr_tag_id_inv_t object.
+ */
+struct private_tcg_swid_attr_tag_id_inv_t {
+
+	/**
+	 * Public members of tcg_swid_attr_tag_id_inv_t
+	 */
+	tcg_swid_attr_tag_id_inv_t public;
+
+	/**
+	 * Vendor-specific attribute type
+	 */
+	pen_type_t type;
+
+	/**
+	 * Attribute value
+	 */
+	chunk_t value;
+
+	/**
+	 * Noskip flag
+	 */
+	bool noskip_flag;
+
+	/**
+	 * Request ID
+	 */
+	u_int32_t request_id;
+
+	/**
+	 * Event ID Epoch
+	 */
+	u_int32_t eid_epoch;
+
+	/**
+	 * Last Event ID
+	 */
+	u_int32_t last_eid;
+
+	/**
+	 * SWID Tag ID Inventory
+	 */
+	swid_inventory_t *inventory;
+
+	/**
+	 * Reference count
+	 */
+	refcount_t ref;
+};
+
+METHOD(pa_tnc_attr_t, get_type, pen_type_t,
+	private_tcg_swid_attr_tag_id_inv_t *this)
+{
+	return this->type;
+}
+
+METHOD(pa_tnc_attr_t, get_value, chunk_t,
+	private_tcg_swid_attr_tag_id_inv_t *this)
+{
+	return this->value;
+}
+
+METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
+	private_tcg_swid_attr_tag_id_inv_t *this)
+{
+	return this->noskip_flag;
+}
+
+METHOD(pa_tnc_attr_t, set_noskip_flag,void,
+	private_tcg_swid_attr_tag_id_inv_t *this, bool noskip)
+{
+	this->noskip_flag = noskip;
+}
+
+METHOD(pa_tnc_attr_t, build, void,
+	private_tcg_swid_attr_tag_id_inv_t *this)
+{
+	bio_writer_t *writer;
+	swid_tag_id_t *tag_id;
+	chunk_t tag_creator, unique_sw_id, unique_seq_id;
+	enumerator_t *enumerator;
+
+	if (this->value.ptr)
+	{
+		return;
+	}
+
+	writer = bio_writer_create(SWID_TAG_ID_INV_SIZE);
+	writer->write_uint8 (writer, SWID_TAG_ID_INV_RESERVED);
+	writer->write_uint24(writer, this->inventory->get_count(this->inventory));
+	writer->write_uint32(writer, this->request_id);
+	writer->write_uint32(writer, this->eid_epoch);
+	writer->write_uint32(writer, this->last_eid);
+
+	enumerator = this->inventory->create_enumerator(this->inventory);
+	while (enumerator->enumerate(enumerator, &tag_id))
+	{
+		tag_creator = tag_id->get_tag_creator(tag_id);
+		unique_sw_id = tag_id->get_unique_sw_id(tag_id, &unique_seq_id);
+		writer->write_data16(writer, tag_creator);
+		writer->write_data16(writer, unique_sw_id);
+		writer->write_data16(writer, unique_seq_id);
+	}
+	enumerator->destroy(enumerator);
+
+	this->value = writer->extract_buf(writer);
+	writer->destroy(writer);
+}
+
+METHOD(pa_tnc_attr_t, process, status_t,
+	private_tcg_swid_attr_tag_id_inv_t *this, u_int32_t *offset)
+{
+	bio_reader_t *reader;
+	u_int32_t tag_id_count;
+	u_int8_t reserved;
+	chunk_t tag_creator, unique_sw_id, unique_seq_id;
+	swid_tag_id_t *tag_id;
+
+	if (this->value.len < SWID_TAG_ID_INV_SIZE)
+	{
+		DBG1(DBG_TNC, "insufficient data for SWID Tag Identifier Inventory");
+		*offset = 0;
+		return FAILED;
+	}
+
+	reader = bio_reader_create(this->value);
+	reader->read_uint8 (reader, &reserved);
+	reader->read_uint24(reader, &tag_id_count);
+	reader->read_uint32(reader, &this->request_id);
+	reader->read_uint32(reader, &this->eid_epoch);
+	reader->read_uint32(reader, &this->last_eid);
+	*offset = SWID_TAG_ID_INV_SIZE;
+
+	while (tag_id_count--)
+	{
+		if (!reader->read_data16(reader, &tag_creator))
+		{
+			DBG1(DBG_TNC, "insufficient data for Tag Creator field");
+			return FAILED;
+		}
+		*offset += 2 + tag_creator.len;
+
+		if (!reader->read_data16(reader, &unique_sw_id))
+		{
+			DBG1(DBG_TNC, "insufficient data for Unique Software ID");
+			return FAILED;
+		}
+		*offset += 2 + unique_sw_id.len;
+		
+		if (!reader->read_data16(reader, &unique_seq_id))
+		{
+			DBG1(DBG_TNC, "insufficient data for Unique Sequence ID");
+			return FAILED;
+		}
+		*offset += 2 + unique_seq_id.len;
+
+		tag_id = swid_tag_id_create(tag_creator, unique_sw_id, unique_seq_id);
+		this->inventory->add(this->inventory, tag_id);
+	}
+	reader->destroy(reader);
+
+	return SUCCESS;
+}
+
+METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*,
+	private_tcg_swid_attr_tag_id_inv_t *this)
+{
+	ref_get(&this->ref);
+	return &this->public.pa_tnc_attribute;
+}
+
+METHOD(pa_tnc_attr_t, destroy, void,
+	private_tcg_swid_attr_tag_id_inv_t *this)
+{
+	if (ref_put(&this->ref))
+	{
+		this->inventory->destroy(this->inventory);
+		free(this->value.ptr);
+		free(this);
+	}
+}
+
+METHOD(tcg_swid_attr_tag_id_inv_t, get_request_id, u_int32_t,
+	private_tcg_swid_attr_tag_id_inv_t *this)
+{
+	return this->request_id;
+}
+
+METHOD(tcg_swid_attr_tag_id_inv_t, get_last_eid, u_int32_t,
+	private_tcg_swid_attr_tag_id_inv_t *this, u_int32_t *eid_epoch)
+{
+	if (eid_epoch)
+	{
+		*eid_epoch = this->eid_epoch;
+	}
+	return this->last_eid;
+}
+
+METHOD(tcg_swid_attr_tag_id_inv_t, get_inventory, swid_inventory_t*,
+	private_tcg_swid_attr_tag_id_inv_t *this)
+{
+	return this->inventory;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *tcg_swid_attr_tag_id_inv_create(u_int32_t request_id,
+											   u_int32_t eid_epoch,
+											   u_int32_t eid,
+											   swid_inventory_t *inventory)
+{
+	private_tcg_swid_attr_tag_id_inv_t *this;
+
+	INIT(this,
+		.public = {
+			.pa_tnc_attribute = {
+				.get_type = _get_type,
+				.get_value = _get_value,
+				.get_noskip_flag = _get_noskip_flag,
+				.set_noskip_flag = _set_noskip_flag,
+				.build = _build,
+				.process = _process,
+				.get_ref = _get_ref,
+				.destroy = _destroy,
+			},
+			.get_request_id = _get_request_id,
+			.get_last_eid = _get_last_eid,
+			.get_inventory = _get_inventory,
+		},
+		.type = { PEN_TCG, TCG_SWID_TAG_ID_INVENTORY },
+		.request_id = request_id,
+		.eid_epoch = eid_epoch,
+		.last_eid = eid,
+		.inventory = inventory,
+		.ref = 1,
+	);
+
+	return &this->public.pa_tnc_attribute;
+}
+
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *tcg_swid_attr_tag_id_inv_create_from_data(chunk_t data)
+{
+	private_tcg_swid_attr_tag_id_inv_t *this;
+
+	INIT(this,
+		.public = {
+			.pa_tnc_attribute = {
+				.get_type = _get_type,
+				.get_value = _get_value,
+				.get_noskip_flag = _get_noskip_flag,
+				.set_noskip_flag = _set_noskip_flag,
+				.build = _build,
+				.process = _process,
+				.get_ref = _get_ref,
+				.destroy = _destroy,
+			},
+			.get_request_id = _get_request_id,
+			.get_last_eid = _get_last_eid,
+			.get_inventory = _get_inventory,
+		},
+		.type = { PEN_TCG, TCG_SWID_TAG_ID_INVENTORY },
+		.value = chunk_clone(data),
+		.inventory = swid_inventory_create(FALSE),
+		.ref = 1,
+	);
+
+	return &this->public.pa_tnc_attribute;
+}
diff --git a/src/libpts/tcg/swid/tcg_swid_attr_tag_id_inv.h b/src/libpts/tcg/swid/tcg_swid_attr_tag_id_inv.h
new file mode 100644
index 000000000..1a0cbe7d2
--- /dev/null
+++ b/src/libpts/tcg/swid/tcg_swid_attr_tag_id_inv.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 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 tcg_swid_attr_tag_id_inv tcg_swid_attr_tag_id_inv
+ * @{ @ingroup tcg_attr
+ */
+
+#ifndef TCG_SWID_ATTR_TAG_ID_INV_H_
+#define TCG_SWID_ATTR_TAG_ID_INV_H_
+
+typedef struct tcg_swid_attr_tag_id_inv_t tcg_swid_attr_tag_id_inv_t;
+
+#include "tcg/tcg_attr.h"
+#include "swid/swid_tag_id.h"
+#include "swid/swid_inventory.h"
+
+#include <pa_tnc/pa_tnc_attr.h>
+
+/**
+ * Class implementing the TCG SWID Tag Identifier Inventory attribute
+ *
+ */
+struct tcg_swid_attr_tag_id_inv_t {
+
+	/**
+	 * Public PA-TNC attribute interface
+	 */
+	pa_tnc_attr_t pa_tnc_attribute;
+
+	/**
+	 * Get Request ID
+	 *
+	 * @return					Request ID
+	 */
+	u_int32_t (*get_request_id)(tcg_swid_attr_tag_id_inv_t *this);
+
+	/**
+	 * Get Last Event ID
+	 *
+	 * @param eid_epoch			Event ID Epoch
+	 * @return					Last Event ID
+	 */
+	u_int32_t (*get_last_eid)(tcg_swid_attr_tag_id_inv_t *this,
+							  u_int32_t *eid_epoch);
+
+	/**
+	 * Get Inventory of SWID tag IDs
+	 *
+	 * @result					SWID Tag ID Inventory
+	 */
+	swid_inventory_t* (*get_inventory)(tcg_swid_attr_tag_id_inv_t *this);
+
+};
+
+/**
+ * Creates an tcg_swid_attr_tag_id_inv_t object
+ *
+ * @param request_id			Copy of the Request ID
+ * @param eid_epoch				Event ID Epoch
+ * @param eid					Last Event ID
+ * @param inventory				SWID Tag Inventory
+ */
+pa_tnc_attr_t* tcg_swid_attr_tag_id_inv_create(u_int32_t request_id,
+											   u_int32_t eid_epoch,
+											   u_int32_t eid,
+											   swid_inventory_t *inventory);
+
+/**
+ * Creates an tcg_swid_attr_tag_id_inv_t object from received data
+ *
+ * @param value					unparsed attribute value
+ */
+pa_tnc_attr_t* tcg_swid_attr_tag_id_inv_create_from_data(chunk_t value);
+
+#endif /** TCG_SWID_ATTR_TAG_ID_INV_H_ @}*/
diff --git a/src/libpts/tcg/swid/tcg_swid_attr_tag_inv.c b/src/libpts/tcg/swid/tcg_swid_attr_tag_inv.c
new file mode 100644
index 000000000..82b9ef958
--- /dev/null
+++ b/src/libpts/tcg/swid/tcg_swid_attr_tag_inv.c
@@ -0,0 +1,313 @@
+/*
+ * Copyright (C) 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 "tcg_swid_attr_tag_inv.h"
+
+#include <pa_tnc/pa_tnc_msg.h>
+#include <bio/bio_writer.h>
+#include <bio/bio_reader.h>
+#include <utils/debug.h>
+
+
+typedef struct private_tcg_swid_attr_tag_inv_t private_tcg_swid_attr_tag_inv_t;
+
+/**
+ * SWID Tag Inventory
+ * see section 4.10 of TCG TNC SWID Message and Attributes for IF-M
+ *
+ *                       1                   2                   3
+ *   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |   Reserved    |                 Tag ID Count                  | 
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |                        Request ID Copy                        | 
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |                           EID Epoch                           |
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |                           Last EID                            |
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |   Unique Sequence ID Length   |Unique Sequence ID (var length)|
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |                          Tag Length                           |
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *  |                        Tag (Variable)                         |
+ *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+#define SWID_TAG_INV_SIZE			16
+#define SWID_TAG_INV_RESERVED		0x00
+
+/**
+ * Private data of an tcg_swid_attr_tag_inv_t object.
+ */
+struct private_tcg_swid_attr_tag_inv_t {
+
+	/**
+	 * Public members of tcg_swid_attr_tag_inv_t
+	 */
+	tcg_swid_attr_tag_inv_t public;
+
+	/**
+	 * Vendor-specific attribute type
+	 */
+	pen_type_t type;
+
+	/**
+	 * Attribute value
+	 */
+	chunk_t value;
+
+	/**
+	 * Noskip flag
+	 */
+	bool noskip_flag;
+
+	/**
+	 * Request ID
+	 */
+	u_int32_t request_id;
+
+	/**
+	 * Event ID Epoch
+	 */
+	u_int32_t eid_epoch;
+
+	/**
+	 * Last Event ID
+	 */
+	u_int32_t last_eid;
+
+	/**
+	 * SWID Tag Inventory
+	 */
+	swid_inventory_t *inventory;
+
+	/**
+	 * Reference count
+	 */
+	refcount_t ref;
+};
+
+METHOD(pa_tnc_attr_t, get_type, pen_type_t,
+	private_tcg_swid_attr_tag_inv_t *this)
+{
+	return this->type;
+}
+
+METHOD(pa_tnc_attr_t, get_value, chunk_t,
+	private_tcg_swid_attr_tag_inv_t *this)
+{
+	return this->value;
+}
+
+METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
+	private_tcg_swid_attr_tag_inv_t *this)
+{
+	return this->noskip_flag;
+}
+
+METHOD(pa_tnc_attr_t, set_noskip_flag,void,
+	private_tcg_swid_attr_tag_inv_t *this, bool noskip)
+{
+	this->noskip_flag = noskip;
+}
+
+METHOD(pa_tnc_attr_t, build, void,
+	private_tcg_swid_attr_tag_inv_t *this)
+{
+	bio_writer_t *writer;
+	swid_tag_t *tag;
+	enumerator_t *enumerator;
+
+	if (this->value.ptr)
+	{
+		return;
+	}
+
+	writer = bio_writer_create(SWID_TAG_INV_SIZE);
+	writer->write_uint8 (writer, SWID_TAG_INV_RESERVED);
+	writer->write_uint24(writer, this->inventory->get_count(this->inventory));
+	writer->write_uint32(writer, this->request_id);
+	writer->write_uint32(writer, this->eid_epoch);
+	writer->write_uint32(writer, this->last_eid);
+
+	enumerator = this->inventory->create_enumerator(this->inventory);
+	while (enumerator->enumerate(enumerator, &tag))
+	{
+		writer->write_data16(writer, tag->get_unique_seq_id(tag));
+		writer->write_data32(writer, tag->get_encoding(tag));
+	}
+	enumerator->destroy(enumerator);
+
+	this->value = writer->extract_buf(writer);
+	writer->destroy(writer);
+}
+
+METHOD(pa_tnc_attr_t, process, status_t,
+	private_tcg_swid_attr_tag_inv_t *this, u_int32_t *offset)
+{
+	bio_reader_t *reader;
+	u_int32_t tag_count;
+	u_int8_t reserved;
+	chunk_t tag_encoding, unique_seq_id;
+	swid_tag_t *tag;
+
+	if (this->value.len < SWID_TAG_INV_SIZE)
+	{
+		DBG1(DBG_TNC, "insufficient data for SWID Tag Inventory");
+		*offset = 0;
+		return FAILED;
+	}
+
+	reader = bio_reader_create(this->value);
+	reader->read_uint8 (reader, &reserved);
+	reader->read_uint24(reader, &tag_count);
+	reader->read_uint32(reader, &this->request_id);
+	reader->read_uint32(reader, &this->eid_epoch);
+	reader->read_uint32(reader, &this->last_eid);
+	*offset = SWID_TAG_INV_SIZE;
+
+	while (tag_count--)
+	{
+		if (!reader->read_data16(reader, &unique_seq_id))
+		{
+			DBG1(DBG_TNC, "insufficient data for Unique Sequence ID");
+			return FAILED;
+		}
+		*offset += 2 + unique_seq_id.len;
+
+		if (!reader->read_data32(reader, &tag_encoding))
+		{
+			DBG1(DBG_TNC, "insufficient data for Tag");
+			return FAILED;
+		}
+		*offset += 4 + tag_encoding.len;
+
+		tag = swid_tag_create(tag_encoding, unique_seq_id);
+		this->inventory->add(this->inventory, tag);
+	}
+	reader->destroy(reader);
+
+	return SUCCESS;
+}
+
+METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*,
+	private_tcg_swid_attr_tag_inv_t *this)
+{
+	ref_get(&this->ref);
+	return &this->public.pa_tnc_attribute;
+}
+
+METHOD(pa_tnc_attr_t, destroy, void,
+	private_tcg_swid_attr_tag_inv_t *this)
+{
+	if (ref_put(&this->ref))
+	{
+		this->inventory->destroy(this->inventory);
+		free(this->value.ptr);
+		free(this);
+	}
+}
+
+METHOD(tcg_swid_attr_tag_inv_t, get_request_id, u_int32_t,
+	private_tcg_swid_attr_tag_inv_t *this)
+{
+	return this->request_id;
+}
+
+METHOD(tcg_swid_attr_tag_inv_t, get_last_eid, u_int32_t,
+	private_tcg_swid_attr_tag_inv_t *this, u_int32_t *eid_epoch)
+{
+	if (eid_epoch)
+	{
+		*eid_epoch = this->eid_epoch;
+	}
+	return this->last_eid;
+}
+
+METHOD(tcg_swid_attr_tag_inv_t, get_inventory, swid_inventory_t*,
+	private_tcg_swid_attr_tag_inv_t *this)
+{
+	return this->inventory;
+}
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *tcg_swid_attr_tag_inv_create(u_int32_t request_id,
+											u_int32_t eid_epoch, u_int32_t eid,
+											swid_inventory_t *inventory)
+{
+	private_tcg_swid_attr_tag_inv_t *this;
+
+	INIT(this,
+		.public = {
+			.pa_tnc_attribute = {
+				.get_type = _get_type,
+				.get_value = _get_value,
+				.get_noskip_flag = _get_noskip_flag,
+				.set_noskip_flag = _set_noskip_flag,
+				.build = _build,
+				.process = _process,
+				.get_ref = _get_ref,
+				.destroy = _destroy,
+			},
+			.get_request_id = _get_request_id,
+			.get_last_eid = _get_last_eid,
+			.get_inventory = _get_inventory,
+		},
+		.type = { PEN_TCG, TCG_SWID_TAG_INVENTORY },
+		.request_id = request_id,
+		.eid_epoch = eid_epoch,
+		.last_eid = eid,
+		.inventory = inventory,
+		.ref = 1,
+	);
+
+	return &this->public.pa_tnc_attribute;
+}
+
+
+/**
+ * Described in header.
+ */
+pa_tnc_attr_t *tcg_swid_attr_tag_inv_create_from_data(chunk_t data)
+{
+	private_tcg_swid_attr_tag_inv_t *this;
+
+	INIT(this,
+		.public = {
+			.pa_tnc_attribute = {
+				.get_type = _get_type,
+				.get_value = _get_value,
+				.get_noskip_flag = _get_noskip_flag,
+				.set_noskip_flag = _set_noskip_flag,
+				.build = _build,
+				.process = _process,
+				.get_ref = _get_ref,
+				.destroy = _destroy,
+			},
+			.get_request_id = _get_request_id,
+			.get_last_eid = _get_last_eid,
+			.get_inventory = _get_inventory,
+		},
+		.type = { PEN_TCG, TCG_SWID_TAG_INVENTORY },
+		.value = chunk_clone(data),
+		.inventory = swid_inventory_create(TRUE),
+		.ref = 1,
+	);
+
+	return &this->public.pa_tnc_attribute;
+}
diff --git a/src/libpts/tcg/swid/tcg_swid_attr_tag_inv.h b/src/libpts/tcg/swid/tcg_swid_attr_tag_inv.h
new file mode 100644
index 000000000..433f55ee0
--- /dev/null
+++ b/src/libpts/tcg/swid/tcg_swid_attr_tag_inv.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 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 tcg_swid_attr_tag_inv tcg_swid_attr_tag_inv
+ * @{ @ingroup tcg_attr
+ */
+
+#ifndef TCG_SWID_ATTR_TAG_INV_H_
+#define TCG_SWID_ATTR_TAG_INV_H_
+
+typedef struct tcg_swid_attr_tag_inv_t tcg_swid_attr_tag_inv_t;
+
+#include "tcg/tcg_attr.h"
+#include "swid/swid_tag.h"
+#include "swid/swid_inventory.h"
+
+#include <pa_tnc/pa_tnc_attr.h>
+
+/**
+ * Class implementing the TCG SWID Tag Inventory attribute
+ *
+ */
+struct tcg_swid_attr_tag_inv_t {
+
+	/**
+	 * Public PA-TNC attribute interface
+	 */
+	pa_tnc_attr_t pa_tnc_attribute;
+
+	/**
+	 * Get Request ID
+	 *
+	 * @return					Request ID
+	 */
+	u_int32_t (*get_request_id)(tcg_swid_attr_tag_inv_t *this);
+
+	/**
+	 * Get Last Event ID
+	 *
+	 * @param eid_epoch			Event ID Epoch
+	 * @return					Last Event ID
+	 */
+	u_int32_t (*get_last_eid)(tcg_swid_attr_tag_inv_t *this,
+							  u_int32_t *eid_epoch);
+
+	/**
+	 * Get Inventory of SWID tags
+	 *
+	 * @result					SWID Tag Inventory
+	 */
+	swid_inventory_t* (*get_inventory)(tcg_swid_attr_tag_inv_t *this);
+
+};
+
+/**
+ * Creates an tcg_swid_attr_tag_inv_t object
+ *
+ * @param request_id			Copy of the Request ID
+ * @param eid_epoch				Event ID Epoch
+ * @param eid					Last Event ID
+ * @param inventory				SWID Tag Inventory
+ */
+pa_tnc_attr_t* tcg_swid_attr_tag_inv_create(u_int32_t request_id,
+											u_int32_t eid_epoch,
+											u_int32_t eid,
+											swid_inventory_t *inventory);
+
+/**
+ * Creates an tcg_swid_attr_tag_inv_t object from received data
+ *
+ * @param value					unparsed attribute value
+ */
+pa_tnc_attr_t* tcg_swid_attr_tag_inv_create_from_data(chunk_t value);
+
+#endif /** TCG_SWID_ATTR_TAG_INV_H_ @}*/