store unique device_id in database

src/libimcv/plugins/imv_os/imv_os.c

@@ -122,23 +122,6 @@ TNC_Result TNC_IMV_NotifyConnectionChange(TNC_IMVID imv_id,
 	}
 }
 
-/**
- * print multi-line values to debug output
- */
-static void dbg_imv_multi_line(chunk_t value)
-{
-	chunk_t line;
-
-	while (extract_token(&line, '\n', &value))
-	{
-		DBG2(DBG_IMV, "  %.*s", line.len, line.ptr);
-	}
-	if (value.len)
-	{
-		DBG2(DBG_IMV, "  %.*s", value.len, value.ptr);
-	}
-}
-
 static TNC_Result receive_message(imv_state_t *state, imv_msg_t *in_msg)
 {
 	imv_msg_t *out_msg;
@@ -151,6 +134,8 @@ static TNC_Result receive_message(imv_state_t *state, imv_msg_t *in_msg)
 	chunk_t os_version = chunk_empty;
 	bool fatal_error = FALSE, assessment = FALSE;
 	char non_market_apps_str[] = "install_non_market_apps";
+	char android_id_str[] = "android_id";
+	char machine_id_str[] = "/var/lib/dbus/machine-id";
 
 	os_state = (imv_os_state_t*)state;
 
@@ -318,8 +303,14 @@ static TNC_Result receive_message(imv_state_t *state, imv_msg_t *in_msg)
 							os_state->set_os_settings(os_state,
 												OS_SETTINGS_NON_MARKET_APPS);
 						}
-						DBG1(DBG_IMV, "setting '%s'", name);
-						dbg_imv_multi_line(value);
+						else if ((streq(name, android_id_str) ||
+								  streq(name, machine_id_str)) && os_db)
+						{
+							os_state->set_device_id(os_state,
+										os_db->get_device_id(os_db, value));
+						}
+						DBG1(DBG_IMV, "setting '%s'\n  %.*s",
+							 name, value.len, value.ptr);
 					}
 					e->destroy(e);
 					break;
@@ -358,12 +349,12 @@ static TNC_Result receive_message(imv_state_t *state, imv_msg_t *in_msg)
 
 		if (os_type == OS_TYPE_ANDROID)
 		{
-			attr_cast->add(attr_cast, "android_id");
+			attr_cast->add(attr_cast, android_id_str);
 			attr_cast->add(attr_cast, non_market_apps_str);
 		}
 		else
 		{
-			attr_cast->add(attr_cast, "/proc/sys/kernel/random/boot_id");
+			attr_cast->add(attr_cast, machine_id_str);
 			attr_cast->add(attr_cast, "/proc/sys/kernel/tainted");
 		}
 		out_msg->add_attribute(out_msg, attr);

src/libimcv/plugins/imv_os/imv_os_database.c

@@ -187,6 +187,32 @@ METHOD(imv_os_database_t, check_packages, status_t,
 	return status;
 }
 
+METHOD(imv_os_database_t, get_device_id, int,
+	private_imv_os_database_t *this, chunk_t value)
+{
+	enumerator_t *e;
+	int id;
+
+	/* get primary key of device ID */
+	e = this->db->query(this->db, "SELECT id FROM devices WHERE value = ?",
+						DB_BLOB, value, DB_INT);
+	if (!e)
+	{
+		return 0;
+	}
+	if (e->enumerate(e, &id))
+	{
+		/* device ID already exists in database - return primary key */
+		e->destroy(e);
+		return id;
+	}
+
+	/* register new device ID in database and return primary key */
+	return (this->db->execute(this->db, &id,
+			"INSERT INTO devices (value) VALUES (?)", DB_BLOB, value) == 1) ?
+			id : 0;
+}
+
 METHOD(imv_os_database_t, destroy, void,
 	private_imv_os_database_t *this)
 {
@@ -204,6 +230,7 @@ imv_os_database_t *imv_os_database_create(char *uri)
 	INIT(this,
 		.public = {
 			.check_packages = _check_packages,
+			.get_device_id = _get_device_id,
 			.destroy = _destroy,
 		},
 		.db = lib->db->create(lib->db, uri),

src/libimcv/plugins/imv_os/imv_os_database.h

@@ -42,6 +42,13 @@ struct imv_os_database_t {
 	status_t (*check_packages)(imv_os_database_t *this, imv_os_state_t *state,
 							   enumerator_t *package_enumerator);
 
+	/**
+	* Get the primary database key of the device ID
+	*
+	* @param value					Device ID value
+	*/
+	int (*get_device_id)(imv_os_database_t *this, chunk_t value);
+
 	/**
 	* Destroys an imv_os_database_t object.
 	*/

src/libimcv/plugins/imv_os/imv_os_state.c

@@ -111,6 +111,11 @@ struct private_imv_os_state_t {
 	 */
 	imv_remediation_string_t *remediation_string;
 
+	/**
+	 * Primary database key of device ID
+	 */
+	int device_id;
+
 	/**
 	 * Number of processed packages
 	 */
@@ -179,7 +184,7 @@ static imv_lang_string_t reason_packages[] = {
 static imv_lang_string_t instr_update_packages_title[] = {
 	{ "en", "Software Security Updates" },
 	{ "de", "Software Sicherheitsupdates" },
-	{ "pl", "aktualizacja softwaru zabezpieczającego" },
+	{ "pl", "Aktualizacja softwaru zabezpieczającego" },
 	{ NULL, NULL }
 };
 
@@ -513,6 +518,18 @@ METHOD(imv_os_state_t, get_package_request, bool,
 	return this->package_request;
 }
 
+METHOD(imv_os_state_t, set_device_id, void,
+	private_imv_os_state_t *this, int id)
+{
+	this->device_id = id;
+}
+
+METHOD(imv_os_state_t, get_device_id, int,
+	private_imv_os_state_t *this)
+{
+	return this->device_id;
+}
+
 METHOD(imv_os_state_t, set_os_settings, void,
 	private_imv_os_state_t *this, u_int settings)
 {
@@ -582,6 +599,8 @@ imv_state_t *imv_os_state_create(TNC_ConnectionID connection_id)
 			.get_count = _get_count,
 			.set_package_request = _set_package_request,
 			.get_package_request = _get_package_request,
+			.set_device_id = _set_device_id,
+			.get_device_id = _get_device_id,
 			.set_os_settings = _set_os_settings,
 			.get_os_settings = _get_os_settings,
 			.set_angel_count = _set_angel_count,

src/libimcv/plugins/imv_os/imv_os_state.h

@@ -101,6 +101,20 @@ struct imv_os_state_t {
 	 */
 	bool (*get_package_request)(imv_os_state_t *this);
 
+	/**
+	 * Set device ID
+	 *
+	 * @param device_id		Device ID primary database key
+	 */
+	void (*set_device_id)(imv_os_state_t *this, int id);
+
+	/**
+	 * Get device ID
+	 *
+	 * @return				Device ID primary database key
+	 */
+	int (*get_device_id)(imv_os_state_t *this);
+
 	/**
 	 * Set OS settings
 	 *