Import upstream release 5.2.1

1 files changed, 1995 insertions, 0 deletions

diff --git a/src/libimcv/plugins/imv_attestation/attest_db.c b/src/libimcv/plugins/imv_attestation/attest_db.c
new file mode 100644
index 000000000..f85a02b3d
--- /dev/null
+++ b/src/libimcv/plugins/imv_attestation/attest_db.c
@@ -0,0 +1,1995 @@
+/*
+ * Copyright (C) 2011-2014 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.
+ */
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <libgen.h>
+#include <time.h>
+
+#include <tncif_names.h>
+
+#include "attest_db.h"
+
+#include "imcv.h"
+#include "pts/pts_meas_algo.h"
+#include "pts/pts_file_meas.h"
+#include "pts/components/pts_comp_func_name.h"
+
+#define IMA_MAX_NAME_LEN	255
+#define DEVICE_MAX_LEN		 20
+
+typedef struct private_attest_db_t private_attest_db_t;
+
+/**
+ * Private data of an attest_db_t object.
+ */
+struct private_attest_db_t {
+
+	/**
+	 * Public members of attest_db_state_t
+	 */
+	attest_db_t public;
+
+	/**
+	 * Component Functional Name to be queried
+	 */
+	pts_comp_func_name_t *cfn;
+
+	/**
+	 * Primary key of the Component Functional Name to be queried
+	 */
+	int cid;
+
+	/**
+	 * TRUE if Component Functional Name has been set
+	 */
+	bool comp_set;
+
+	/**
+	 * Directory containing the Measurement file to be queried
+	 */
+	char *dir;
+
+	/**
+	 * Primary key of the directory to be queried
+	 */
+	int did;
+
+	/**
+	 * Measurement file to be queried
+	 */
+	char *file;
+
+	/**
+	 * Primary key of measurement file to be queried
+	 */
+	int fid;
+
+	/**
+	 * Directory where file measurement are to be taken
+	 */
+	char *meas_dir;
+
+	/**
+	 *  AIK to be queried
+	 */
+	chunk_t key;
+
+	/**
+	 * Primary key of the AIK to be queried
+	 */
+	int kid;
+
+	/**
+	 * TRUE if AIK has been set
+	 */
+	bool key_set;
+
+	/**
+	 * Software package to be queried
+	 */
+	char *package;
+
+	/**
+	 * Primary key of software package to be queried
+	 */
+	int gid;
+
+	/**
+	 * TRUE if package has been set
+	 */
+	bool package_set;
+
+	/**
+	 * Software product to be queried
+	 */
+	char *product;
+
+	/**
+	 * Primary key of software product to be queried
+	 */
+	int pid;
+
+	/**
+	 * TRUE if product has been set
+	 */
+	bool product_set;
+
+	/**
+	 * Software package version to be queried
+	 */
+	char *version;
+
+	/**
+	 * TRUE if version has been set
+	 */
+	bool version_set;
+
+	/**
+	 * TRUE if relative filenames are to be used
+	 */
+	bool relative;
+
+	/**
+	 * TRUE if dates are to be displayed in UTC
+	 */
+	bool utc;
+
+	/**
+	 * Package security or blacklist state
+	 */
+	os_package_state_t package_state;
+
+	/**
+	 * Sequence number for ordering entries
+	 */
+	int seq_no;
+
+	/**
+	 * File measurement hash algorithm
+	 */
+	pts_meas_algorithms_t algo;
+
+	/**
+	 * Optional owner (user/host name)
+	 */
+	char *owner;
+
+	/**
+	 * Attestation database
+	 */
+	database_t *db;
+
+};
+
+char* print_cfn(pts_comp_func_name_t *cfn)
+{
+	static char buf[BUF_LEN];
+	char flags[8];
+	int type, vid, name, qualifier, n;
+	enum_name_t *names, *types;
+
+	vid = cfn->get_vendor_id(cfn),
+	name = cfn->get_name(cfn);
+	qualifier = cfn->get_qualifier(cfn);
+	n = snprintf(buf, BUF_LEN, "0x%06x/0x%08x-0x%02x", vid, name, qualifier);
+
+	names = imcv_pts_components->get_comp_func_names(imcv_pts_components, vid);
+	types = imcv_pts_components->get_qualifier_type_names(imcv_pts_components,
+														  vid);
+	type =  imcv_pts_components->get_qualifier(imcv_pts_components, cfn, flags);
+	if (names && types)
+	{
+		n = snprintf(buf + n, BUF_LEN - n, " %N/%N [%s] %N",
+					 pen_names, vid, names, name, flags, types, type);
+	}
+	return buf;
+}
+
+/**
+ * Get the directory separator to append to a path
+ */
+static const char* get_separator(const char *path)
+{
+	if (streq(path, DIRECTORY_SEPARATOR))
+	{	/* root directory on Unix file system, no separator */
+		return "";
+	}
+	else
+	{	/* non-root or Windows path, use system specific separator */
+		return DIRECTORY_SEPARATOR;
+	}
+}
+
+METHOD(attest_db_t, set_component, bool,
+	private_attest_db_t *this, char *comp, bool create)
+{
+	enumerator_t *e;
+	char *pos1, *pos2;
+	int vid, name, qualifier;
+	pts_comp_func_name_t *cfn;
+
+	if (this->comp_set)
+	{
+		printf("component has already been set\n");
+		return FALSE;
+	}
+
+	/* parse component string */
+	pos1 = strchr(comp, '/');
+	pos2 = strchr(comp, '-');
+	if (!pos1 || !pos2)
+	{
+		printf("component string must have the form \"vendor_id/name-qualifier\"\n");
+		return FALSE;
+	}
+	vid       = atoi(comp);
+	name      = atoi(pos1 + 1);
+	qualifier = atoi(pos2 + 1);
+	cfn = pts_comp_func_name_create(vid, name, qualifier);
+
+	e = this->db->query(this->db,
+					   "SELECT id FROM components "
+					   "WHERE vendor_id = ? AND name = ? AND qualifier = ?",
+						DB_UINT, vid, DB_INT, name, DB_INT, qualifier, DB_INT);
+	if (e)
+	{
+		if (e->enumerate(e, &this->cid))
+		{
+			this->comp_set = TRUE;
+			this->cfn = cfn;
+		}
+		e->destroy(e);
+	}
+	if (this->comp_set)
+	{
+		return TRUE;
+	}
+
+	if (!create)
+	{
+		printf("component '%s' not found in database\n", print_cfn(cfn));
+		cfn->destroy(cfn);
+		return FALSE;
+	}
+
+	/* Add a new database entry */
+	this->comp_set = this->db->execute(this->db, &this->cid,
+						"INSERT INTO components (vendor_id, name, qualifier) "
+						"VALUES (?, ?, ?)",
+						DB_INT, vid, DB_INT, name, DB_INT, qualifier) == 1;
+
+	printf("component '%s' %sinserted into database\n", print_cfn(cfn),
+		   this->comp_set ? "" : "could not be ");
+	if (this->comp_set)
+	{
+		this->cfn = cfn;
+	}
+	else
+	{
+		cfn->destroy(cfn);
+	}
+	return this->comp_set;
+}
+
+METHOD(attest_db_t, set_cid, bool,
+	private_attest_db_t *this, int cid)
+{
+	enumerator_t *e;
+	int vid, name, qualifier;
+
+	if (this->comp_set)
+	{
+		printf("component has already been set\n");
+		return FALSE;
+	}
+	this->cid = cid;
+
+	e = this->db->query(this->db, "SELECT vendor_id, name, qualifier "
+								  "FROM components WHERE id = ?",
+						DB_UINT, cid, DB_INT, DB_INT, DB_INT);
+	if (e)
+	{
+		if (e->enumerate(e, &vid, &name, &qualifier))
+		{
+			this->cfn = pts_comp_func_name_create(vid, name, qualifier);
+			this->comp_set = TRUE;
+		}
+		else
+		{
+			printf("no component found with cid %d\n", cid);
+		}
+		e->destroy(e);
+	}
+	return this->comp_set;
+}
+
+METHOD(attest_db_t, set_directory, bool,
+	private_attest_db_t *this, char *dir, bool create)
+{
+	enumerator_t *e;
+	int did;
+	size_t len;
+
+	if (this->did)
+	{
+		printf("directory has already been set\n");
+		return FALSE;
+	}
+
+	/* remove trailing '/' or '\' character if not root directory */
+	len = strlen(dir);
+	if (len > 1 && dir[len-1] == DIRECTORY_SEPARATOR[0])
+	{
+		dir[len-1] = '\0';
+	}
+	this->dir = strdup(dir);
+
+	e = this->db->query(this->db,
+						"SELECT id FROM directories WHERE path = ?",
+						DB_TEXT, dir, DB_INT);
+	if (e)
+	{
+		if (e->enumerate(e, &did))
+		{
+			this->did = did;
+		}
+		e->destroy(e);
+	}
+	if (this->did)
+	{
+		return TRUE;
+	}
+
+	if (!create)
+	{
+		printf("directory '%s' not found in database\n", dir);
+		return FALSE;
+	}
+
+	/* Add a new database entry */
+	if (1 == this->db->execute(this->db, &did,
+				"INSERT INTO directories (path) VALUES (?)", DB_TEXT, dir))
+	{
+		this->did = did;
+	}
+	printf("directory '%s' %sinserted into database\n", dir,
+			this->did ? "" : "could not be ");
+
+	return this->did > 0;
+}
+
+METHOD(attest_db_t, set_did, bool,
+	private_attest_db_t *this, int did)
+{
+	enumerator_t *e;
+	char *dir;
+
+	if (this->did)
+	{
+		printf("directory has already been set\n");
+		return FALSE;
+	}
+
+	e = this->db->query(this->db, "SELECT path FROM directories WHERE id = ?",
+						DB_UINT, did, DB_TEXT);
+	if (e)
+	{
+		if (e->enumerate(e, &dir))
+		{
+			this->dir = strdup(dir);
+			this->did = did;
+		}
+		else
+		{
+			printf("no directory found with did %d\n", did);
+		}
+		e->destroy(e);
+	}
+	return this->did > 0;
+}
+
+METHOD(attest_db_t, set_file, bool,
+	private_attest_db_t *this, char *file, bool create)
+{
+	int fid;
+	enumerator_t *e;
+
+	if (this->file)
+	{
+		printf("file has already been set\n");
+		return FALSE;
+	}
+	this->file = strdup(file);
+
+	if (!this->did)
+	{
+		return TRUE;
+	}
+	e = this->db->query(this->db, "SELECT id FROM files "
+						"WHERE dir = ? AND name = ?",
+						DB_INT, this->did, DB_TEXT, file, DB_INT);
+	if (e)
+	{
+		if (e->enumerate(e, &fid))
+		{
+			this->fid = fid;
+		}
+		e->destroy(e);
+	}
+	if (this->fid)
+	{
+		return TRUE;
+	}
+
+	if (!create)
+	{
+		printf("file '%s%s%s' not found in database\n",
+			   this->dir, get_separator(this->dir), file);
+		return FALSE;
+	}
+
+	/* Add a new database entry */
+	if (1 == this->db->execute(this->db, &fid,
+							   "INSERT INTO files (dir, name) VALUES (?, ?)",
+							   DB_INT, this->did, DB_TEXT, file))
+	{
+		this->fid = fid;
+	}
+	printf("file '%s%s%s' %sinserted into database\n", this->dir,
+		   get_separator(this->dir), file, this->fid ? "" : "could not be ");
+
+	return this->fid > 0;
+}
+
+METHOD(attest_db_t, set_fid, bool,
+	private_attest_db_t *this, int fid)
+{
+	enumerator_t *e;
+	int did;
+	char *file;
+
+	if (this->fid)
+	{
+		printf("file has already been set\n");
+		return FALSE;
+	}
+
+	e = this->db->query(this->db, "SELECT dir, name FROM files WHERE id = ?",
+						DB_UINT, fid, DB_INT, DB_TEXT);
+	if (e)
+	{
+		if (e->enumerate(e, &did, &file))
+		{
+			if (did)
+			{
+				set_did(this, did);
+			}
+			this->file = strdup(file);
+			this->fid = fid;
+		}
+		else
+		{
+			printf("no file found with fid %d\n", fid);
+		}
+		e->destroy(e);
+	}
+	return this->fid > 0;
+}
+
+METHOD(attest_db_t, set_meas_directory, bool,
+	private_attest_db_t *this, char *dir)
+{
+	size_t len;
+
+	/* remove trailing '/' character if not root directory */
+	len = strlen(dir);
+	if (len > 1 && dir[len-1] == '/')
+	{
+		dir[len-1] = '\0';
+	}
+	this->meas_dir = strdup(dir);
+
+	return TRUE;
+}
+
+METHOD(attest_db_t, set_key, bool,
+	private_attest_db_t *this, chunk_t key, bool create)
+{
+	enumerator_t *e;
+	char *owner;
+
+	if (this->key_set)
+	{
+		printf("key has already been set\n");
+		return FALSE;
+	}
+	this->key = key;
+
+	e = this->db->query(this->db, "SELECT id, owner FROM keys WHERE keyid= ?",
+						DB_BLOB, this->key, DB_INT, DB_TEXT);
+	if (e)
+	{
+		if (e->enumerate(e, &this->kid, &owner))
+		{
+			free(this->owner);
+			this->owner = strdup(owner);
+			this->key_set = TRUE;
+		}
+		e->destroy(e);
+	}
+	if (this->key_set)
+	{
+		return TRUE;
+	}
+
+	if (!create)
+	{
+		printf("key '%#B' not found in database\n", &this->key);
+		return FALSE;
+	}
+
+	/* Add a new database entry */
+	if (!this->owner)
+	{
+		this->owner = strdup("");
+	}
+	this->key_set = this->db->execute(this->db, &this->kid,
+								"INSERT INTO keys (keyid, owner) VALUES (?, ?)",
+								DB_BLOB, this->key, DB_TEXT, this->owner) == 1;
+
+	printf("key '%#B' %sinserted into database\n", &this->key,
+		   this->key_set ? "" : "could not be ");
+
+	return this->key_set;
+
+};
+
+METHOD(attest_db_t, set_kid, bool,
+	private_attest_db_t *this, int kid)
+{
+	enumerator_t *e;
+	chunk_t key;
+	char *owner;
+
+	if (this->key_set)
+	{
+		printf("key has already been set\n");
+		return FALSE;
+	}
+	this->kid = kid;
+
+	e = this->db->query(this->db, "SELECT keyid, owner FROM keys WHERE id = ?",
+						DB_UINT, kid, DB_BLOB, DB_TEXT);
+	if (e)
+	{
+		if (e->enumerate(e, &key, &owner))
+		{
+			this->owner = strdup(owner);
+			this->key = chunk_clone(key);
+			this->key_set = TRUE;
+		}
+		else
+		{
+			printf("no key found with kid %d\n", kid);
+		}
+		e->destroy(e);
+	}
+	return this->key_set;
+
+};
+
+METHOD(attest_db_t, set_product, bool,
+	private_attest_db_t *this, char *product, bool create)
+{
+	enumerator_t *e;
+
+	if (this->product_set)
+	{
+		printf("product has already been set\n");
+		return FALSE;
+	}
+	this->product = strdup(product);
+
+	e = this->db->query(this->db, "SELECT id FROM products WHERE name = ?",
+						DB_TEXT, product, DB_INT);
+	if (e)
+	{
+		if (e->enumerate(e, &this->pid))
+		{
+			this->product_set = TRUE;
+		}
+		e->destroy(e);
+	}
+	if (this->product_set)
+	{
+		return TRUE;
+	}
+
+	if (!create)
+	{
+		printf("product '%s' not found in database\n", product);
+		return FALSE;
+	}
+
+	/* Add a new database entry */
+	this->product_set = this->db->execute(this->db, &this->pid,
+									"INSERT INTO products (name) VALUES (?)",
+									DB_TEXT, product) == 1;
+
+	printf("product '%s' %sinserted into database\n", product,
+		   this->product_set ? "" : "could not be ");
+
+	return this->product_set;
+}
+
+METHOD(attest_db_t, set_pid, bool,
+	private_attest_db_t *this, int pid)
+{
+	enumerator_t *e;
+	char *product;
+
+	if (this->product_set)
+	{
+		printf("product has already been set\n");
+		return FALSE;
+	}
+	this->pid = pid;
+
+	e = this->db->query(this->db, "SELECT name FROM products WHERE id = ?",
+						DB_UINT, pid, DB_TEXT);
+	if (e)
+	{
+		if (e->enumerate(e, &product))
+		{
+			this->product = strdup(product);
+			this->product_set = TRUE;
+		}
+		else
+		{
+			printf("no product found with pid %d in database\n", pid);
+		}
+		e->destroy(e);
+	}
+	return this->product_set;
+}
+
+METHOD(attest_db_t, set_package, bool,
+	private_attest_db_t *this, char *package, bool create)
+{
+	enumerator_t *e;
+
+	if (this->package_set)
+	{
+		printf("package has already been set\n");
+		return FALSE;
+	}
+	this->package = strdup(package);
+
+	e = this->db->query(this->db, "SELECT id FROM packages WHERE name = ?",
+						DB_TEXT, package, DB_INT);
+	if (e)
+	{
+		if (e->enumerate(e, &this->gid))
+		{
+			this->package_set = TRUE;
+		}
+		e->destroy(e);
+	}
+	if (this->package_set)
+	{
+		return TRUE;
+	}
+
+	if (!create)
+	{
+		printf("package '%s' not found in database\n", package);
+		return FALSE;
+	}
+
+	/* Add a new database entry */
+	this->package_set = this->db->execute(this->db, &this->gid,
+									"INSERT INTO packages (name) VALUES (?)",
+									DB_TEXT, package) == 1;
+
+	printf("package '%s' %sinserted into database\n", package,
+		   this->package_set ? "" : "could not be ");
+
+	return this->package_set;
+}
+
+METHOD(attest_db_t, set_gid, bool,
+	private_attest_db_t *this, int gid)
+{
+	enumerator_t *e;
+	char *package;
+
+	if (this->package_set)
+	{
+		printf("package has already been set\n");
+		return FALSE;
+	}
+	this->gid = gid;
+
+	e = this->db->query(this->db, "SELECT name FROM packages WHERE id = ?",
+						DB_UINT, gid, DB_TEXT);
+	if (e)
+	{
+		if (e->enumerate(e, &package))
+		{
+			this->package = strdup(package);
+			this->package_set = TRUE;
+		}
+		else
+		{
+			printf("no package found with gid %d in database\n", gid);
+		}
+		e->destroy(e);
+	}
+	return this->package_set;
+}
+
+METHOD(attest_db_t, set_version, bool,
+	private_attest_db_t *this, char *version)
+{
+	if (this->version_set)
+	{
+		printf("version has already been set\n");
+		return FALSE;
+	}
+	this->version = strdup(version);
+	this->version_set = TRUE;
+
+	return TRUE;
+}
+
+
+METHOD(attest_db_t, set_algo, void,
+	private_attest_db_t *this, pts_meas_algorithms_t algo)
+{
+	this->algo = algo;
+}
+
+METHOD(attest_db_t, set_relative, void,
+	private_attest_db_t *this)
+{
+	this->relative = TRUE;
+}
+
+METHOD(attest_db_t, set_package_state, void,
+	private_attest_db_t *this, os_package_state_t package_state)
+{
+	this->package_state = package_state;
+}
+
+METHOD(attest_db_t, set_sequence, void,
+	private_attest_db_t *this, int seq_no)
+{
+	this->seq_no = seq_no;
+}
+
+METHOD(attest_db_t, set_owner, void,
+	private_attest_db_t *this, char *owner)
+{
+	free(this->owner);
+	this->owner = strdup(owner);
+}
+
+METHOD(attest_db_t, set_utc, void,
+	private_attest_db_t *this)
+{
+	this->utc = TRUE;
+}
+
+METHOD(attest_db_t, list_components, void,
+	private_attest_db_t *this)
+{
+	enumerator_t *e;
+	pts_comp_func_name_t *cfn;
+	int seq_no, cid, vid, name, qualifier, count = 0;
+
+	if (this->kid)
+	{
+		e = this->db->query(this->db,
+				"SELECT kc.seq_no, c.id, c.vendor_id, c.name, c.qualifier "
+				"FROM components AS c "
+				"JOIN key_component AS kc ON c.id = kc.component "
+				"WHERE kc.key = ? ORDER BY kc.seq_no",
+				DB_UINT, this->kid, DB_INT, DB_INT, DB_INT, DB_INT, DB_INT);
+		if (e)
+		{
+			while (e->enumerate(e,  &cid, &seq_no, &vid, &name, &qualifier))
+			{
+				cfn   = pts_comp_func_name_create(vid, name, qualifier);
+				printf("%4d: #%-2d %s\n", seq_no, cid, print_cfn(cfn));
+				cfn->destroy(cfn);
+				count++;
+			}
+			e->destroy(e);
+			printf("%d component%s found for key %#B\n", count,
+				  (count == 1) ? "" : "s", &this->key);
+		}
+	}
+	else
+	{
+		e = this->db->query(this->db,
+				"SELECT id, vendor_id, name, qualifier FROM components "
+				"ORDER BY vendor_id, name, qualifier",
+				DB_INT, DB_INT, DB_INT, DB_INT);
+		if (e)
+		{
+			while (e->enumerate(e,  &cid, &vid, &name, &qualifier))
+			{
+				cfn   = pts_comp_func_name_create(vid, name, qualifier);
+				printf("%4d: %s\n", cid, print_cfn(cfn));
+				cfn->destroy(cfn);
+				count++;
+			}
+			e->destroy(e);
+			printf("%d component%s found\n", count, (count == 1) ? "" : "s");
+		}
+	}
+}
+
+METHOD(attest_db_t, list_devices, void,
+	private_attest_db_t *this)
+{
+	enumerator_t *e, *e_ar;
+	chunk_t ar_id_value = chunk_empty;
+	char *product, *device;
+	time_t timestamp;
+	int id, last_id = 0, ar_id = 0, last_ar_id = 0, device_count = 0;
+	int session_id, rec;
+	u_int32_t ar_id_type;
+	u_int tstamp;
+
+	e = this->db->query(this->db,
+			"SELECT d.id, d.value, s.id, s.time, s.identity, s.rec, p.name "
+			"FROM devices AS d "
+			"JOIN sessions AS s ON d.id = s.device "
+			"JOIN products AS p ON p.id = s.product "
+			"ORDER BY d.value, s.time DESC", DB_INT, DB_TEXT, DB_INT, DB_UINT,
+			 DB_INT, DB_INT, DB_TEXT);
+
+	if (e)
+	{
+		while (e->enumerate(e, &id, &device, &session_id, &tstamp, &ar_id, &rec,
+							   &product))
+		{
+			if (id != last_id)
+			{
+				printf("%4d: %s - %s\n", id, device, product);
+				device_count++;
+				last_id = id;
+			}
+			timestamp = tstamp;
+			printf("%4d:   %T", session_id, &timestamp, this->utc);
+			if (ar_id)
+			{
+				if (ar_id != last_ar_id)
+				{
+					chunk_free(&ar_id_value);
+					e_ar = this->db->query(this->db,
+								"SELECT type, value FROM identities "
+								"WHERE id = ?", DB_INT, ar_id, DB_INT, DB_BLOB);
+					if (e_ar)
+					{
+						e_ar->enumerate(e_ar, &ar_id_type, &ar_id_value);
+						ar_id_value = chunk_clone(ar_id_value);
+						e_ar->destroy(e_ar);
+					}
+				}
+				if (ar_id_value.len)
+				{
+					printf(" %.*s", (int)ar_id_value.len, ar_id_value.ptr);
+				}
+				last_ar_id = ar_id;
+			}
+			printf(" - %N\n", TNC_IMV_Action_Recommendation_names, rec);
+		}
+		e->destroy(e);
+		free(ar_id_value.ptr);
+
+		printf("%d device%s found\n", device_count,
+									 (device_count == 1) ? "" : "s");
+	}
+}
+
+METHOD(attest_db_t, list_keys, void,
+	private_attest_db_t *this)
+{
+	enumerator_t *e;
+	chunk_t keyid;
+	char *owner;
+	int kid, count = 0;
+
+	if (this->cid)
+	{
+		e = this->db->query(this->db,
+				"SELECT k.id, k.keyid, k.owner FROM keys AS k "
+				"JOIN key_component AS kc ON k.id = kc.key "
+				"WHERE kc.component = ? ORDER BY k.keyid",
+				DB_UINT, this->cid, DB_INT, DB_BLOB, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &kid, &keyid, &owner))
+			{
+				printf("%4d: %#B '%s'\n", kid, &keyid, owner);
+				count++;
+			}
+			e->destroy(e);
+		}
+	}
+	else
+	{
+		e = this->db->query(this->db, "SELECT id, keyid, owner FROM keys "
+				"ORDER BY keyid",
+				DB_INT, DB_BLOB, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &kid, &keyid, &owner))
+			{
+				printf("%4d: %#B '%s'\n", kid, &keyid, owner);
+				count++;
+			}
+			e->destroy(e);
+		}
+	}
+
+	printf("%d key%s found", count, (count == 1) ? "" : "s");
+	if (this->comp_set)
+	{
+		printf(" for component '%s'", print_cfn(this->cfn));
+	}
+	printf("\n");
+}
+
+METHOD(attest_db_t, list_files, void,
+	private_attest_db_t *this)
+{
+	enumerator_t *e;
+	char *dir, *file;
+	int did, last_did = 0, fid, count = 0;
+
+	if (this->did)
+	{
+		e = this->db->query(this->db,
+				"SELECT id, name FROM files WHERE dir = ? ORDER BY name",
+				DB_INT, this->did, DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &fid, &file))
+			{
+				printf("%4d: %s\n", fid, file);
+				count++;
+			}
+			e->destroy(e);
+		}
+		printf("%d file%s found in directory '%s'\n", count,
+			  (count == 1) ? "" : "s", this->dir);
+	}
+	else
+	{
+		e = this->db->query(this->db,
+				"SELECT d.id, d.path, f.id, f.name FROM files AS f "
+				"JOIN directories AS d ON f.dir = d.id "
+				"ORDER BY d.path, f.name",
+				DB_INT, DB_TEXT, DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &did, &dir, &fid, &file))
+			{
+				if (did != last_did)
+				{
+					printf("%4d: %s\n", did, dir);
+					last_did = did;
+				}
+				printf("%4d:   %s\n", fid, file);
+				count++;
+			}
+			e->destroy(e);
+		}
+		printf("%d file%s found\n", count, (count == 1) ? "" : "s");
+	}
+}
+
+METHOD(attest_db_t, list_directories, void,
+	private_attest_db_t *this)
+{
+	enumerator_t *e;
+	char *dir;
+	int did, count = 0;
+
+	if (this->file)
+	{
+		e = this->db->query(this->db,
+				"SELECT d.id, d.path FROM directories AS d "
+				"JOIN files AS f ON f.dir = d.id WHERE f.name = ? "
+				"ORDER BY path", DB_TEXT, this->file, DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &did, &dir))
+			{
+				printf("%4d: %s\n", did, dir);
+				count++;
+			}
+			e->destroy(e);
+		}
+		printf("%d director%s found containing file '%s'\n", count,
+			  (count == 1) ? "y" : "ies", this->file);
+	}
+	else
+	{
+		e = this->db->query(this->db,
+				"SELECT id, path FROM directories ORDER BY path",
+				DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &did, &dir))
+			{
+				printf("%4d: %s\n", did, dir);
+				count++;
+			}
+			e->destroy(e);
+		}
+		printf("%d director%s found\n", count, (count == 1) ? "y" : "ies");
+	}
+}
+
+METHOD(attest_db_t, list_packages, void,
+	private_attest_db_t *this)
+{
+	enumerator_t *e;
+	char *package, *version;
+	os_package_state_t package_state;
+	int blacklist, security, gid, gid_old = 0, spaces, count = 0, t;
+	time_t timestamp;
+
+	if (this->pid)
+	{
+		e = this->db->query(this->db,
+				"SELECT p.id, p.name, "
+				"v.release, v.security, v.blacklist, v.time "
+				"FROM packages AS p JOIN versions AS v ON v.package = p.id "
+				"WHERE v.product = ? ORDER BY p.name, v.release",
+				DB_INT, this->pid,
+				DB_INT, DB_TEXT, DB_TEXT, DB_INT, DB_INT, DB_INT);
+		if (e)
+		{
+			while (e->enumerate(e, &gid, &package,
+								   &version, &security, &blacklist, &t))
+			{
+				if (gid != gid_old)
+				{
+					printf("%5d: %s,", gid, package);
+					gid_old = gid;
+				}
+				else
+				{
+					spaces = 8 + strlen(package);
+					while (spaces--)
+					{
+						printf(" ");
+					}
+				}
+				timestamp = t;
+				if (blacklist)
+				{
+					package_state = OS_PACKAGE_STATE_BLACKLIST;
+				}
+				else
+				{
+					package_state = security ? OS_PACKAGE_STATE_SECURITY :
+											   OS_PACKAGE_STATE_UPDATE;
+				}
+				printf(" %T (%s)%N\n", &timestamp, this->utc, version,
+					 os_package_state_names, package_state);
+				count++;
+			}
+			e->destroy(e);
+		}
+	}
+	else
+	{
+		e = this->db->query(this->db, "SELECT id, name FROM packages "
+				"ORDER BY name",
+				DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &gid, &package))
+			{
+				printf("%4d: %s\n", gid, package);
+				count++;
+			}
+			e->destroy(e);
+		}
+	}
+
+	printf("%d package%s found", count, (count == 1) ? "" : "s");
+	if (this->product_set)
+	{
+		printf(" for product '%s'", this->product);
+	}
+	printf("\n");
+}
+
+METHOD(attest_db_t, list_products, void,
+	private_attest_db_t *this)
+{
+	enumerator_t *e;
+	char *product;
+	int pid, meas, meta, count = 0;
+
+	if (this->fid)
+	{
+		e = this->db->query(this->db,
+				"SELECT p.id, p.name, pf.measurement, pf.metadata "
+				"FROM products AS p "
+				"JOIN product_file AS pf ON p.id = pf.product "
+				"WHERE pf.file = ? ORDER BY p.name",
+				DB_UINT, this->fid, DB_INT, DB_TEXT, DB_INT, DB_INT);
+		if (e)
+		{
+			while (e->enumerate(e, &pid, &product, &meas, &meta))
+			{
+				printf("%4d: |%s%s| %s\n", pid, meas ? "M":" ", meta ? "T":" ",
+										   product);
+				count++;
+			}
+			e->destroy(e);
+		}
+	}
+	else
+	{
+		e = this->db->query(this->db, "SELECT id, name FROM products "
+				"ORDER BY name",
+				DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &pid, &product))
+			{
+				printf("%4d: %s\n", pid, product);
+				count++;
+			}
+			e->destroy(e);
+		}
+	}
+
+	printf("%d product%s found", count, (count == 1) ? "" : "s");
+	if (this->fid)
+	{
+		printf(" for file '%s'", this->file);
+	}
+	printf("\n");
+}
+
+METHOD(attest_db_t, list_hashes, void,
+	private_attest_db_t *this)
+{
+	enumerator_t *e;
+	chunk_t hash;
+	char *file, *dir, *product;
+	int id, fid, fid_old = 0, did, did_old = 0, pid, pid_old = 0, count = 0;
+
+	if (this->pid && this->fid && this->did)
+	{
+		printf("%4d: %s\n", this->did, this->dir);
+		printf("%4d:   %s\n", this->fid, this->file);
+		e = this->db->query(this->db,
+				"SELECT id, hash FROM file_hashes "
+				"WHERE algo = ? AND file = ? AND product = ?",
+				DB_INT, this->algo, DB_INT, this->fid, DB_INT, this->pid,
+				DB_INT, DB_BLOB);
+		if (e)
+		{
+			while (e->enumerate(e, &id, &hash))
+			{
+				printf("%4d:     %#B\n", id, &hash);
+				count++;
+			}
+			e->destroy(e);
+
+			printf("%d %N value%s found for product '%s'\n", count,
+				   pts_meas_algorithm_names, this->algo,
+				   (count == 1) ? "" : "s", this->product);
+		}
+	}
+	else if (this->pid && this->file)
+	{
+		e = this->db->query(this->db,
+				"SELECT h.id, h.hash, f.id, d.id, d.path "
+				"FROM file_hashes AS h "
+				"JOIN files AS f ON h.file = f.id "
+				"JOIN directories AS d ON f.dir = d.id "
+				"WHERE h.algo = ? AND h.product = ? AND f.name = ? "
+				"ORDER BY d.path, f.name, h.hash",
+				DB_INT, this->algo, DB_INT, this->pid, DB_TEXT, this->file,
+				DB_INT, DB_BLOB, DB_INT, DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &id, &hash, &fid, &did, &dir))
+			{
+				if (did != did_old)
+				{
+					printf("%4d: %s\n", did, dir);
+					did_old = did;
+				}
+				if (fid != fid_old)
+				{
+					printf("%4d:   %s\n", fid, this->file);
+					fid_old = fid;
+				}
+				printf("%4d:     %#B\n", id, &hash);
+				count++;
+			}
+			e->destroy(e);
+
+			printf("%d %N value%s found for product '%s'\n", count,
+				   pts_meas_algorithm_names, this->algo,
+				   (count == 1) ? "" : "s", this->product);
+		}
+	}
+	else if (this->pid && this->did)
+	{
+		printf("%4d: %s\n", this->did, this->dir);
+		e = this->db->query(this->db,
+				"SELECT h.id, h.hash, f.id, f.name "
+				"FROM file_hashes AS h "
+				"JOIN files AS f ON h.file = f.id "
+				"WHERE h.algo = ? AND h.product = ? AND f.dir = ? "
+				"ORDER BY f.name, h.hash",
+				DB_INT, this->algo, DB_INT, this->pid, DB_INT, this->did,
+				DB_INT, DB_BLOB, DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &id, &hash, &fid, &file))
+			{
+				if (fid != fid_old)
+				{
+					printf("%4d:   %s\n", fid, file);
+					fid_old = fid;
+				}
+				printf("%4d:     %#B\n", id, &hash);
+				count++;
+			}
+			e->destroy(e);
+
+			printf("%d %N value%s found for product '%s'\n", count,
+				   pts_meas_algorithm_names, this->algo,
+				   (count == 1) ? "" : "s", this->product);
+		}
+	}
+	else if (this->pid)
+	{
+		e = this->db->query(this->db,
+				"SELECT h.id, h.hash, f.id, f.name, d.id, d.path "
+				"FROM file_hashes AS h "
+				"JOIN files AS f ON h.file = f.id "
+				"JOIN directories AS d ON f.dir = d.id "
+				"WHERE h.algo = ? AND h.product = ? "
+				"ORDER BY d.path, f.name, h.hash",
+				DB_INT, this->algo, DB_INT, this->pid,
+				DB_INT, DB_BLOB, DB_INT, DB_TEXT, DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &id, &hash, &fid, &file, &did, &dir))
+			{
+				if (did != did_old)
+				{
+					printf("%4d: %s\n", did, dir);
+					did_old = did;
+				}
+				if (fid != fid_old)
+				{
+					printf("%4d:   %s\n", fid, file);
+					fid_old = fid;
+				}
+				printf("%4d:     %#B\n", id, &hash);
+				count++;
+			}
+			e->destroy(e);
+
+			printf("%d %N value%s found for product '%s'\n", count,
+				   pts_meas_algorithm_names, this->algo,
+				   (count == 1) ? "" : "s", this->product);
+		}
+	}
+	else if (this->fid && this->did)
+	{
+		e = this->db->query(this->db,
+				"SELECT h.id, h.hash, p.id, p.name FROM file_hashes AS h "
+				"JOIN products AS p ON h.product = p.id "
+				"WHERE h.algo = ? AND h.file = ? "
+				"ORDER BY p.name, h.hash",
+				DB_INT, this->algo, DB_INT, this->fid,
+				DB_INT, DB_BLOB, DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &id, &hash, &pid, &product))
+			{
+				if (pid != pid_old)
+				{
+					printf("%4d: %s\n", pid, product);
+					pid_old = pid;
+				}
+				printf("%4d:   %#B\n", id, &hash);
+				count++;
+			}
+			e->destroy(e);
+
+			printf("%d %N value%s found for file '%s%s%s'\n", count,
+				   pts_meas_algorithm_names, this->algo,
+				   (count == 1) ? "" : "s", this->dir,
+				   get_separator(this->dir), this->file);
+		}
+	}
+	else if (this->file)
+	{
+		e = this->db->query(this->db,
+				"SELECT h.id, h.hash, f.id, d.id, d.path, p.id, p.name "
+				"FROM file_hashes AS h "
+				"JOIN files AS f ON h.file = f.id "
+				"JOIN directories AS d ON f.dir = d.id "
+				"JOIN products AS p ON h.product = p.id "
+				"WHERE h.algo = ? AND f.name = ? "
+				"ORDER BY d.path, f.name, p.name, h.hash",
+				DB_INT, this->algo, DB_TEXT, this->file,
+				DB_INT, DB_BLOB, DB_INT, DB_INT, DB_TEXT, DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &id, &hash, &fid, &did, &dir, &pid, &product))
+			{
+				if (did != did_old)
+				{
+					printf("%4d: %s\n", did, dir);
+					did_old = did;
+				}
+				if (fid != fid_old)
+				{
+					printf("%4d:   %s\n", fid, this->file);
+					fid_old = fid;
+					pid_old = 0;
+				}
+				if (pid != pid_old)
+				{
+					printf("%4d:     %s\n", pid, product);
+					pid_old = pid;
+				}
+				printf("%4d:     %#B\n", id, &hash);
+				count++;
+			}
+			e->destroy(e);
+
+			printf("%d %N value%s found\n", count, pts_meas_algorithm_names,
+				   this->algo, (count == 1) ? "" : "s");
+		}
+
+	}
+	else if (this->did)
+	{
+		e = this->db->query(this->db,
+				"SELECT h.id, h.hash, f.id, f.name, p.id, p.name "
+				"FROM file_hashes AS h "
+				"JOIN files AS f ON h.file = f.id "
+				"JOIN products AS p ON h.product = p.id "
+				"WHERE h.algo = ? AND f.dir = ? "
+				"ORDER BY f.name, p.name, h.hash",
+				DB_INT, this->algo, DB_INT, this->did,
+				DB_INT, DB_BLOB, DB_INT, DB_TEXT, DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &id, &hash, &fid, &file, &pid, &product))
+			{
+				if (fid != fid_old)
+				{
+					printf("%4d: %s\n", fid, file);
+					fid_old = fid;
+					pid_old = 0;
+				}
+				if (pid != pid_old)
+				{
+					printf("%4d:   %s\n", pid, product);
+					pid_old = pid;
+				}
+				printf("%4d:     %#B\n", id, &hash);
+				count++;
+			}
+			e->destroy(e);
+
+			printf("%d %N value%s found for directory '%s'\n", count,
+				   pts_meas_algorithm_names, this->algo,
+				   (count == 1) ? "" : "s", this->dir);
+		}
+	}
+	else
+	{
+		e = this->db->query(this->db,
+				"SELECT h.id, h.hash, f.id, f.name, d.id, d.path, p.id, p.name "
+				"FROM file_hashes AS h "
+				"JOIN files AS f ON h.file = f.id "
+				"JOIN directories AS d ON f.dir = d.id "
+				"JOIN products AS p on h.product = p.id "
+				"WHERE h.algo = ? "
+				"ORDER BY d.path, f.name, p.name, h.hash",
+				DB_INT, this->algo, DB_INT, DB_BLOB, DB_INT, DB_TEXT,
+				DB_INT, DB_TEXT, DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &id, &hash, &fid, &file, &did, &dir, &pid,
+								&product))
+			{
+				if (did != did_old)
+				{
+					printf("%4d: %s\n", did, dir);
+					did_old = did;
+				}
+				if (fid != fid_old)
+				{
+					printf("%4d:   %s\n", fid, file);
+					fid_old = fid;
+					pid_old = 0;
+				}
+				if (pid != pid_old)
+				{
+					printf("%4d:     %s\n", pid, product);
+					pid_old = pid;
+				}
+				printf("%4d:       %#B\n", id, &hash);
+				count++;
+			}
+			e->destroy(e);
+
+			printf("%d %N value%s found\n", count, pts_meas_algorithm_names,
+				   this->algo, (count == 1) ? "" : "s");
+		}
+	}
+}
+
+METHOD(attest_db_t, list_measurements, void,
+	private_attest_db_t *this)
+{
+	enumerator_t *e;
+	chunk_t hash, keyid;
+	pts_comp_func_name_t *cfn;
+	char *owner;
+	int seq_no, pcr, vid, name, qualifier;
+	int cid, cid_old = 0, kid, kid_old = 0, count = 0;
+
+	if (this->kid && this->cid)
+	{
+		e = this->db->query(this->db,
+				"SELECT ch.seq_no, ch.pcr, ch.hash, k.owner "
+				"FROM component_hashes AS ch "
+				"JOIN keys AS k ON k.id = ch.key "
+				"WHERE ch.algo = ? AND ch.key = ? AND ch.component = ? "
+				"ORDER BY seq_no",
+				DB_INT, this->algo, DB_UINT, this->kid, DB_UINT, this->cid,
+				DB_INT, DB_INT, DB_BLOB, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &seq_no, &pcr, &hash, &owner))
+			{
+				if (this->kid != kid_old)
+				{
+					printf("%4d: %#B '%s'\n", this->kid, &this->key, owner);
+					kid_old = this->kid;
+				}
+				printf("%7d %02d %#B\n", seq_no, pcr, &hash);
+				count++;
+			}
+			e->destroy(e);
+
+			printf("%d %N value%s found for component '%s'\n", count,
+				   pts_meas_algorithm_names, this->algo,
+				   (count == 1) ? "" : "s", print_cfn(this->cfn));
+		}
+	}
+	else if (this->cid)
+	{
+		e = this->db->query(this->db,
+				"SELECT ch.seq_no, ch.pcr, ch.hash, k.id, k.keyid, k.owner "
+				"FROM component_hashes AS ch "
+				"JOIN keys AS k ON k.id = ch.key "
+				"WHERE ch.algo = ? AND ch.component = ? "
+				"ORDER BY keyid, seq_no",
+				DB_INT, this->algo, DB_UINT, this->cid,
+				DB_INT, DB_INT, DB_BLOB, DB_INT, DB_BLOB, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &seq_no, &pcr, &hash, &kid, &keyid, &owner))
+			{
+				if (kid != kid_old)
+				{
+					printf("%4d: %#B '%s'\n", kid, &keyid, owner);
+					kid_old = kid;
+				}
+				printf("%7d %02d %#B\n", seq_no, pcr, &hash);
+				count++;
+			}
+			e->destroy(e);
+
+			printf("%d %N value%s found for component '%s'\n", count,
+				   pts_meas_algorithm_names, this->algo,
+				   (count == 1) ? "" : "s", print_cfn(this->cfn));
+		}
+
+	}
+	else if (this->kid)
+	{
+		e = this->db->query(this->db,
+				"SELECT ch.seq_no, ch.pcr, ch.hash, "
+				"c.id, c.vendor_id, c.name, c.qualifier "
+				"FROM component_hashes AS ch "
+				"JOIN components AS c ON c.id = ch.component "
+				"WHERE ch.algo = ? AND ch.key = ? "
+				"ORDER BY vendor_id, name, qualifier, seq_no",
+				DB_INT, this->algo, DB_UINT, this->kid, DB_INT, DB_INT, DB_BLOB,
+				DB_INT, DB_INT, DB_INT, DB_INT);
+		if (e)
+		{
+			while (e->enumerate(e, &seq_no, &pcr, &hash, &cid, &vid, &name,
+								   &qualifier))
+			{
+				if (cid != cid_old)
+				{
+					cfn = pts_comp_func_name_create(vid, name, qualifier);
+					printf("%4d: %s\n", cid, print_cfn(cfn));
+					cfn->destroy(cfn);
+					cid_old = cid;
+				}
+				printf("%5d %02d %#B\n", seq_no, pcr, &hash);
+				count++;
+			}
+			e->destroy(e);
+
+			printf("%d %N value%s found for key %#B '%s'\n", count,
+				   pts_meas_algorithm_names, this->algo,
+				   (count == 1) ? "" : "s", &this->key, this->owner);
+		}
+	}
+}
+
+METHOD(attest_db_t, list_sessions, void,
+	private_attest_db_t *this)
+{
+	enumerator_t *e;
+	chunk_t identity;
+	char *product, *device;
+	int session_id, conn_id, rec, device_len;
+	time_t created;
+	u_int t;
+
+	e = this->db->query(this->db,
+			"SELECT s.id, s.time, s.connection, s.rec, p.name, d.value, i.value "
+			"FROM sessions AS s "
+			"LEFT JOIN products AS p ON s.product = p.id "
+			"LEFT JOIN devices AS d ON s.device = d.id "
+			"LEFT JOIN identities AS i ON s.identity = i.id "
+			"ORDER BY s.time DESC",
+			 DB_INT, DB_UINT, DB_INT, DB_INT, DB_TEXT, DB_TEXT, DB_BLOB);
+	if (e)
+	{
+		while (e->enumerate(e, &session_id, &t, &conn_id, &rec, &product,
+							   &device, &identity))
+		{
+			created = t;
+			product = product ? product : "-";
+			device = strlen(device) ? device : "-";
+			device_len = min(strlen(device), DEVICE_MAX_LEN);
+			identity = identity.len ? identity : chunk_from_str("-");
+			printf("%4d: %T %2d %-20s %.*s%*s%.*s - %N\n", session_id, &created,
+				   this->utc, conn_id, product, device_len, device,
+				   DEVICE_MAX_LEN - device_len + 1, " ", (int)identity.len,
+				   identity.ptr, TNC_IMV_Action_Recommendation_names, rec);
+		}
+		e->destroy(e);
+	}
+}
+
+/**
+ * Insert a file hash into the database
+ */
+static bool insert_file_hash(private_attest_db_t *this,
+							 pts_meas_algorithms_t algo,
+							 chunk_t measurement, int fid,
+							 int *hashes_added, int *hashes_updated)
+{
+	enumerator_t *e;
+	chunk_t hash;
+	char *label;
+	bool insert = TRUE, update = FALSE;
+
+	label = "could not be created";
+
+	e = this->db->query(this->db,
+		"SELECT hash FROM file_hashes WHERE algo = ? "
+		"AND file = ? AND product = ? AND device = 0",
+		DB_INT, algo, DB_UINT, fid, DB_UINT, this->pid, DB_BLOB);
+
+	if (!e)
+	{
+		printf("file_hashes query failed\n");
+		return FALSE;
+	}
+
+	while (e->enumerate(e, &hash))
+	{
+		update = TRUE;
+
+		if (chunk_equals(measurement, hash))
+		{
+			label = "exists and equals";
+			insert = FALSE;
+			break;
+		}
+	}
+	e->destroy(e);
+
+	if (insert)
+	{
+		if (this->db->execute(this->db, NULL,
+			"INSERT INTO file_hashes "
+			"(file, product, device, algo, hash) "
+			"VALUES (?, ?, 0, ?, ?)",
+			DB_UINT, fid, DB_UINT, this->pid,
+			DB_INT, algo, DB_BLOB, measurement) != 1)
+		{
+			printf("file_hash insertion failed\n");
+			return FALSE;
+		}
+		if (update)
+		{
+			label = "updated";
+			(*hashes_updated)++;
+		}
+		else
+		{
+			label = "created";
+			(*hashes_added)++;
+		}
+	}
+	printf("     %#B - %s\n", &measurement, label);
+	return TRUE;
+}
+
+/**
+ * Add hash measurement for a single file or all files in a directory
+ */
+static bool add_hash(private_attest_db_t *this)
+{
+	char *pathname, *filename, *label;
+	const char *sep;
+	pts_file_meas_t *measurements;
+	chunk_t measurement;
+	hasher_t *hasher = NULL;
+	int fid, files_added = 0, hashes_added = 0, hashes_updated = 0;
+	enumerator_t *enumerator, *e;
+
+	if (!this->meas_dir)
+	{
+		this->meas_dir = strdup(this->dir);
+	}
+	sep = get_separator(this->meas_dir);
+
+	if (this->fid)
+	{
+		/* build pathname from directory path and relative filename */
+		if (asprintf(&pathname, "%s%s%s", this->meas_dir, sep, this->file) == -1)
+		{
+			return FALSE;
+		}
+		measurements = pts_file_meas_create_from_path(0, pathname, FALSE,
+													  TRUE, this->algo);
+		free(pathname);
+	}
+	else
+	{
+		measurements = pts_file_meas_create_from_path(0, this->meas_dir, TRUE,
+													  TRUE, this->algo);
+	}
+	if (!measurements)
+	{
+		printf("file measurement failed\n");
+		DESTROY_IF(hasher);
+		return FALSE;
+	}
+
+	enumerator = measurements->create_enumerator(measurements);
+	while (enumerator->enumerate(enumerator, &filename, &measurement))
+	{
+		if (this->fid)
+		{
+			/* a single file already exists */
+			filename = this->file;
+			fid = this->fid;
+			label = "exists";
+		}
+		else
+		{
+			/* retrieve or create filename */
+			label = "could not be created";
+
+			e = this->db->query(this->db,
+				"SELECT id FROM files WHERE name = ? AND dir = ?",
+				DB_TEXT, filename, DB_INT, this->did, DB_INT);
+			if (!e)
+			{
+				printf("files query failed\n");
+				break;
+			}
+			if (e->enumerate(e, &fid))
+			{
+				label = "exists";
+			}
+			else
+			{
+				if (this->db->execute(this->db, &fid,
+					"INSERT INTO files (name, dir) VALUES (?, ?)",
+					DB_TEXT, filename, DB_INT, this->did) == 1)
+				{
+					label = "created";
+					files_added++;
+				}
+			}
+			e->destroy(e);
+		}
+		printf("%4d: %s - %s\n", fid, filename, label);
+
+		/* compute file measurement hash */
+		if (!insert_file_hash(this, this->algo, measurement, fid,
+							  &hashes_added, &hashes_updated))
+		{
+			break;
+		}
+	}
+	enumerator->destroy(enumerator);
+
+	printf("%d measurements, added %d new files, %d file hashes, "
+		   "updated %d file hashes\n",
+			measurements->get_file_count(measurements),
+		    files_added, hashes_added, hashes_updated);
+	measurements->destroy(measurements);
+
+	return TRUE;
+}
+
+METHOD(attest_db_t, add, bool,
+	private_attest_db_t *this)
+{
+	bool success = FALSE;
+
+	/* add directory or file hash measurement for a given product */
+	if (this->did && this->pid)
+	{
+		return add_hash(this);
+	}
+
+	/* insert package version */
+	if (this->version_set && this->gid && this->pid)
+	{
+		time_t t = time(NULL);
+		int security, blacklist;
+
+		security =  this->package_state == OS_PACKAGE_STATE_SECURITY;
+		blacklist = this->package_state == OS_PACKAGE_STATE_BLACKLIST;
+
+		success = this->db->execute(this->db, NULL,
+					"INSERT INTO versions "
+					"(package, product, release, security, blacklist, time) "
+					"VALUES (?, ?, ?, ?, ?, ?)",
+					DB_UINT, this->gid, DB_INT, this->pid, DB_TEXT,
+					this->version, DB_INT, security, DB_INT, blacklist,
+					DB_INT, t) == 1;
+
+		printf("'%s' package %s (%s)%N %sinserted into database\n",
+				this->product, this->package, this->version,
+				os_package_state_names, this->package_state,
+				success ? "" : "could not be ");
+	}
+	return success;
+}
+
+METHOD(attest_db_t, delete, bool,
+	private_attest_db_t *this)
+{
+	bool success;
+	int id, count = 0;
+	char *name;
+	enumerator_t *e;
+
+	/* delete a file measurement hash for a given product */
+	if (this->algo && this->pid && this->fid)
+	{
+		success = this->db->execute(this->db, NULL,
+								"DELETE FROM file_hashes "
+								"WHERE algo = ? AND product = ? AND file = ?",
+								DB_UINT, this->algo, DB_UINT, this->pid,
+								DB_UINT, this->fid) > 0;
+
+		printf("%4d: %s%s%s\n", this->fid, this->dir, get_separator(this->dir),
+				this->file);
+		printf("%N value for product '%s' %sdeleted from database\n",
+				pts_meas_algorithm_names, this->algo, this->product,
+				success ? "" : "could not be ");
+
+		return success;
+	}
+
+	/* delete product/file entries */
+	if (this->pid && (this->fid || this->did))
+	{
+		success = this->db->execute(this->db, NULL,
+							"DELETE FROM product_file "
+							"WHERE product = ? AND file = ?",
+							DB_UINT, this->pid,
+							DB_UINT, this->fid ? this->fid : this->did) > 0;
+
+		printf("product/file pair (%d/%d) %sdeleted from database\n",
+				this->pid, this->fid ? this->fid : this->did,
+				success ? "" : "could not be ");
+
+		return success;
+	}
+
+	if (this->cid)
+	{
+		success = this->db->execute(this->db, NULL,
+								"DELETE FROM components WHERE id = ?",
+								DB_UINT, this->cid) > 0;
+
+		printf("component '%s' %sdeleted from database\n", print_cfn(this->cfn),
+			   success ? "" : "could not be ");
+		return success;
+	}
+
+	if (this->fid)
+	{
+		success = this->db->execute(this->db, NULL,
+								"DELETE FROM files WHERE id = ?",
+								DB_UINT, this->fid) > 0;
+
+		printf("file '%s%s%s' %sdeleted from database\n", this->dir,
+			   get_separator(this->dir), this->file,
+			   success ? "" : "could not be ");
+		return success;
+	}
+
+	if (this->did)
+	{
+		e = this->db->query(this->db,
+				"SELECT id, name FROM files WHERE dir = ? ORDER BY name",
+				DB_INT, this->did, DB_INT, DB_TEXT);
+		if (e)
+		{
+			while (e->enumerate(e, &id, &name))
+			{
+				printf("%4d: %s\n", id, name);
+				count++;
+			}
+			e->destroy(e);
+
+			if (count)
+			{
+				printf("%d dependent file%s found, "
+					   "directory '%s' could not deleted\n",
+					   count, (count == 1) ? "" : "s", this->dir);
+				return FALSE;
+			}
+		}
+		success = this->db->execute(this->db, NULL,
+								"DELETE FROM directories WHERE id = ?",
+								DB_UINT, this->did) > 0;
+		printf("directory '%s' %sdeleted from database\n", this->dir,
+			   success ? "" : "could not be ");
+		return success;
+	}
+
+	if (this->kid)
+	{
+		success = this->db->execute(this->db, NULL,
+								"DELETE FROM keys WHERE id = ?",
+								DB_UINT, this->kid) > 0;
+
+		printf("key %#B %sdeleted from database\n", &this->key,
+			   success ? "" : "could not be ");
+		return success;
+	}
+	if (this->pid)
+	{
+		success = this->db->execute(this->db, NULL,
+								"DELETE FROM products WHERE id = ?",
+								DB_UINT, this->pid) > 0;
+
+		printf("product '%s' %sdeleted from database\n", this->product,
+			   success ? "" : "could not be ");
+		return success;
+	}
+
+	printf("empty delete command\n");
+	return FALSE;
+}
+
+METHOD(attest_db_t, destroy, void,
+	private_attest_db_t *this)
+{
+	DESTROY_IF(this->db);
+	DESTROY_IF(this->cfn);
+	free(this->package);
+	free(this->product);
+	free(this->version);
+	free(this->file);
+	free(this->dir);
+	free(this->meas_dir);
+	free(this->owner);
+	free(this->key.ptr);
+	free(this);
+}
+
+/**
+ * Described in header.
+ */
+attest_db_t *attest_db_create(char *uri)
+{
+	private_attest_db_t *this;
+
+	INIT(this,
+		.public = {
+			.set_component = _set_component,
+			.set_cid = _set_cid,
+			.set_directory = _set_directory,
+			.set_did = _set_did,
+			.set_file = _set_file,
+			.set_fid = _set_fid,
+			.set_meas_directory = _set_meas_directory,
+			.set_key = _set_key,
+			.set_kid = _set_kid,
+			.set_package = _set_package,
+			.set_gid = _set_gid,
+			.set_product = _set_product,
+			.set_pid = _set_pid,
+			.set_version = _set_version,
+			.set_algo = _set_algo,
+			.set_relative = _set_relative,
+			.set_package_state = _set_package_state,
+			.set_sequence = _set_sequence,
+			.set_owner = _set_owner,
+			.set_utc = _set_utc,
+			.list_packages = _list_packages,
+			.list_products = _list_products,
+			.list_files = _list_files,
+			.list_directories = _list_directories,
+			.list_components = _list_components,
+			.list_devices = _list_devices,
+			.list_keys = _list_keys,
+			.list_hashes = _list_hashes,
+			.list_measurements = _list_measurements,
+			.list_sessions = _list_sessions,
+			.add = _add,
+			.delete = _delete,
+			.destroy = _destroy,
+		},
+		.db = lib->db->create(lib->db, uri),
+	);
+
+	if (!this->db)
+	{
+		fprintf(stderr, "opening database failed.\n");
+		destroy(this);
+		return NULL;
+	}
+
+	return &this->public;
+}