added pts database interface

src/libimcv/Makefile.am

@@ -32,6 +32,7 @@ libimcv_la_SOURCES = \
 	tcg/pts/pts.h tcg/pts/pts.c \
 	tcg/pts/pts_error.h tcg/pts/pts_error.c \
 	tcg/pts/pts_proto_caps.h tcg/pts/pts_funct_comp_name.h \
+	tcg/pts/pts_database.h tcg/pts/pts_database.c \
 	tcg/pts/pts_meas_algo.h tcg/pts/pts_meas_algo.c
 
 # CFLAGS = -Wall -Werror

src/libimcv/plugins/imv_attestation/imv_attestation.c

@@ -20,6 +20,8 @@
 #include <ietf/ietf_attr.h>
 #include <ietf/ietf_attr_pa_tnc_error.h>
 
+#include <tcg/pts/pts_database.h>
+
 #include <tcg/tcg_attr.h>
 #include <tcg/tcg_pts_attr_proto_caps.h>
 #include <tcg/tcg_pts_attr_meas_algo.h>
@@ -60,6 +62,11 @@ static imv_agent_t *imv_attestation;
  */
 static pts_meas_algorithms_t supported_algorithms = 0;
 
+/**
+ * PTS file measurement database
+ */
+static pts_database_t *pts_db;
+
 /**
  * List of files and directories to measure
  */
@@ -89,7 +96,7 @@ TNC_Result TNC_IMV_Initialize(TNC_IMVID imv_id,
 							  TNC_Version max_version,
 							  TNC_Version *actual_version)
 {
-	char *hash_alg;
+	char *hash_alg, *uri;
 
 	if (imv_attestation)
 	{
@@ -130,6 +137,11 @@ TNC_Result TNC_IMV_Initialize(TNC_IMVID imv_id,
 		supported_algorithms &= ~PTS_MEAS_ALGO_SHA256;
 	}
 
+	/* attach file measurement database */
+	uri = lib->settings->get_str(lib->settings,
+				"libimcv.plugins.imv-attestation.database", NULL);
+	pts_db = pts_database_create(uri);
+
 	return TNC_RESULT_SUCCESS;
 }
 
@@ -583,6 +595,7 @@ TNC_Result TNC_IMV_Terminate(TNC_IMVID imv_id)
 		DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
 		return TNC_RESULT_NOT_INITIALIZED;
 	}
+	DESTROY_IF(pts_db);
 	imv_attestation->destroy(imv_attestation);
 	imv_attestation = NULL;
 

src/libimcv/plugins/imv_attestation/tables.sql

@@ -0,0 +1,26 @@
+/* PTS SQLite database */
+
+DROP TABLE IF EXISTS files;
+CREATE TABLE files (
+  id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+  type INTEGER NOT NULL,
+  path TEXT NOT NULL,
+);
+
+DROP TABLE IF EXISTS products;
+CREATE TABLE products (
+  id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+  name TEXT NOT NULL,
+);
+DROP INDEX IF EXISTS products_name;
+CREATE INDEX products_name ON products (
+  name
+);
+
+DROP TABLE IF EXISTS product_file;
+CREATE TABLE product_file (
+  product INTEGER NOT NULL,
+  file INTEGER NOT NULL,
+  PRIMARY KEY (product, file)
+);
+

src/libimcv/tcg/pts/pts_database.c

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * 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 "pts_database.h"
+
+#include <debug.h>
+#include <crypto/hashers/hasher.h>
+
+
+typedef struct private_pts_database_t private_pts_database_t;
+
+/**
+ * Private data of a pts_database_t object.
+ *
+ */
+struct private_pts_database_t {
+
+	/**
+	 * Public pts_database_t interface.
+	 */
+	pts_database_t public;
+
+	/**
+	 * database instance
+	 */
+	database_t *db;
+
+};
+
+METHOD(pts_database_t, create_file_enumerator, enumerator_t*,
+	private_pts_database_t *this, char *product, char *version)
+{
+	enumerator_t *e = NULL;
+
+	return e;
+}
+
+METHOD(pts_database_t, destroy, void,
+	private_pts_database_t *this)
+{
+	this->db->destroy(this->db);
+	free(this);
+}
+
+/**
+ * See header
+ */
+pts_database_t *pts_database_create(char *uri)
+{
+	private_pts_database_t *this;
+
+	INIT(this,
+		.public = {
+			.create_file_enumerator = _create_file_enumerator,
+			.destroy = _destroy,
+		},
+		.db = lib->db->create(lib->db, uri),
+	);
+
+	if (!this->db)
+	{
+		DBG1(DBG_TNC, "pts failed to connect to file database");
+		free(this);
+		return NULL;
+	}
+
+	return &this->public;
+}
+

src/libimcv/tcg/pts/pts_database.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2011 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 pts_database pts_database
+ * @{ @ingroup pts_database
+ */
+
+#ifndef PTS_DATABASE_H_
+#define PTS_DATABASE_H_
+
+typedef struct pts_database_t pts_database_t;
+
+#include <library.h>
+
+/**
+ * Class implementing the PTS File Measurement database
+ *
+ */
+struct pts_database_t {
+
+	/**
+	 * Get files to be measured by PTS
+	 *
+	 * @product				software product (os, vpn client, etc.)
+	 * @param version		release version
+	 * @return				enumerator over all files matching a given release 
+	 */
+	enumerator_t* (*create_file_enumerator)(pts_database_t *this, char *product,
+										    char *version);
+
+	/**
+	 * Destroys a pts_database_t object.
+	 */
+	void (*destroy)(pts_database_t *this);
+
+};
+
+/**
+ * Creates an pts_database_t object
+ *
+ * @param ur				database uri
+ */
+pts_database_t* pts_database_create(char *uri);
+
+#endif /** PTS_DATABASE_H_ @}*/