ipsec attest now can measure all files in a directory

src/libpts/plugins/imc_attestation/imc_attestation_process.c

@@ -254,8 +254,9 @@ bool imc_attestation_process(pa_tnc_attr_t *attr, linked_list_t *attr_list,
 			DBG2(DBG_IMC, "measurement request %d for %s '%s'",
 				 request_id, is_directory ? "directory" : "file",
 				 pathname);
-			measurements = pts->do_measurements(pts, request_id,
+			measurements = pts_file_meas_create_from_path(request_id,
-									pathname, is_directory);
+										pathname, is_directory, TRUE,
+										pts->get_meas_algorithm(pts));
 			if (!measurements)
 			{
 				/* TODO handle error codes from measurements */

src/libpts/plugins/imv_attestation/attest.c

@@ -131,9 +131,11 @@ static void do_args(int argc, char *argv[])
 			{ "directory", required_argument, NULL, 'D' },
 			{ "dir", required_argument, NULL, 'D' },
 			{ "file", required_argument, NULL, 'F' },
+			{ "ima", no_argument, NULL, 'I' },
 			{ "key", required_argument, NULL, 'K' },
 			{ "owner", required_argument, NULL, 'O' },
 			{ "product", required_argument, NULL, 'P' },
+			{ "relative", no_argument, NULL, 'R' },
 			{ "sha1", no_argument, NULL, '1' },
 			{ "sha256", no_argument, NULL, '2' },
 			{ "sha384", no_argument, NULL, '3' },
@@ -232,6 +234,9 @@ static void do_args(int argc, char *argv[])
 					exit(EXIT_FAILURE);
 				}
 				continue;
+			case 'I':
+				attest->set_ima(attest);
+				continue;
 			case 'K':
 			{
 				chunk_t aik;
@@ -252,6 +257,9 @@ static void do_args(int argc, char *argv[])
 					exit(EXIT_FAILURE);
 				}
 				continue;
+			case 'R':
+				attest->set_relative(attest);
+				continue;
 			case '1':
 				attest->set_algo(attest, PTS_MEAS_ALGO_SHA1);
 				continue;

src/libpts/plugins/imv_attestation/attest_db.c

@@ -16,8 +16,11 @@
 #include "attest_db.h"
 
 #include "libpts.h"
+#include "pts/pts_file_meas.h"
 #include "pts/components/pts_comp_func_name.h"
 
+#include <libgen.h>
+
 typedef struct private_attest_db_t private_attest_db_t;
 
 /**
@@ -105,6 +108,16 @@ struct private_attest_db_t {
 	 */
 	bool product_set;
 
+	/**
+	 * TRUE if relative filenames are to be used
+	 */
+	bool relative;
+
+	/**
+	 * TRUE if IMA-specific SHA-1 template hash be computed
+	 */
+	bool ima;
+
 	/**
 	 * File measurement hash algorithm
 	 */
@@ -252,6 +265,7 @@ METHOD(attest_db_t, set_directory, bool,
 	private_attest_db_t *this, char *dir, bool create)
 {
 	enumerator_t *e;
+	size_t len;
 
 	if (this->dir_set)
 	{
@@ -259,6 +273,13 @@ METHOD(attest_db_t, set_directory, bool,
 		return FALSE;
 	}
 	free(this->dir);
+
+	/* remove trailing '/' character */
+	len = strlen(dir);
+	if (len && dir[len-1] == '/')
+	{
+		dir[len-1] = '\0';
+	}
 	this->dir = strdup(dir);
 
 	e = this->db->query(this->db,
@@ -568,6 +589,18 @@ METHOD(attest_db_t, set_algo, void,
 	this->algo = algo;
 }
 
+METHOD(attest_db_t, set_ima, void,
+	private_attest_db_t *this)
+{
+	this->ima = TRUE;
+}
+
+METHOD(attest_db_t, set_relative, void,
+	private_attest_db_t *this)
+{
+	this->relative = TRUE;
+}
+
 METHOD(attest_db_t, set_owner, void,
 	private_attest_db_t *this, char *owner)
 {
@@ -603,7 +636,7 @@ METHOD(attest_db_t, list_components, void,
 		while (e->enumerate(e, &cid, &vid, &name, &qualifier))
 		{
 			cfn   = pts_comp_func_name_create(vid, name, qualifier);
-			printf("%3d: %s\n", cid, print_cfn(cfn));
+			printf("%4d: %s\n", cid, print_cfn(cfn));
 			cfn->destroy(cfn);
 			count++;
 		}
@@ -637,7 +670,7 @@ METHOD(attest_db_t, list_keys, void,
 		{
 			while (e->enumerate(e, &kid, &keyid, &owner))
 			{
-				printf("%3d: %#B '%s'\n", kid, &keyid, owner);
+				printf("%4d: %#B '%s'\n", kid, &keyid, owner);
 				count++;
 			}
 			e->destroy(e);
@@ -652,7 +685,7 @@ METHOD(attest_db_t, list_keys, void,
 		{
 			while (e->enumerate(e, &kid, &keyid, &owner))
 			{
-				printf("%3d: %#B '%s'\n", kid, &keyid, owner);
+				printf("%4d: %#B '%s'\n", kid, &keyid, owner);
 				count++;
 			}
 			e->destroy(e);
@@ -687,7 +720,7 @@ METHOD(attest_db_t, list_files, void,
 			while (e->enumerate(e, &fid, &type, &file, &meas, &meta))
 			{
 				type = (type < 0 || type > 2) ? 0 : type;
-				printf("%3d: |%s%s| %s %s\n", fid, meas ? "M":" ", meta ? "T":" ",
+				printf("%4d: |%s%s| %s %s\n", fid, meas ? "M":" ", meta ? "T":" ",
 											  file_type[type], file);
 				count++;
 			}
@@ -705,7 +738,7 @@ METHOD(attest_db_t, list_files, void,
 			while (e->enumerate(e, &fid, &type, &file))
 			{
 				type = (type < 0 || type > 2) ? 0 : type;
-				printf("%3d: %s %s\n", fid, file_type[type], file);
+				printf("%4d: %s %s\n", fid, file_type[type], file);
 				count++;
 			}
 			e->destroy(e);
@@ -739,7 +772,7 @@ METHOD(attest_db_t, list_products, void,
 		{
 			while (e->enumerate(e, &pid, &product, &meas, &meta))
 			{
-				printf("%3d: |%s%s| %s\n", pid, meas ? "M":" ", meta ? "T":" ",
+				printf("%4d: |%s%s| %s\n", pid, meas ? "M":" ", meta ? "T":" ",
 										   product);
 				count++;
 			}
@@ -755,7 +788,7 @@ METHOD(attest_db_t, list_products, void,
 		{
 			while (e->enumerate(e, &pid, &product))
 			{
-				printf("%3d: %s\n", pid, product);
+				printf("%4d: %s\n", pid, product);
 				count++;
 			}
 			e->destroy(e);
@@ -826,11 +859,11 @@ METHOD(attest_db_t, list_hashes, void,
 			{
 				if (this->fid != fid_old)
 				{
-					printf("%3d: %s%s%s\n", this->fid, this->dir,
+					printf("%4d: %s%s%s\n", this->fid, this->dir,
 						   slash(this->dir, this->file) ? "/" : "", this->file);
 					fid_old = this->fid;
 				}
-				printf("     %#B\n", &hash);
+				printf("      %#B\n", &hash);
 				count++;
 			}
 			e->destroy(e);
@@ -860,12 +893,12 @@ METHOD(attest_db_t, list_hashes, void,
 					{
 						get_directory(this, did, &dir);
 					}
-					printf("%3d: %s%s%s\n", fid,
+					printf("%4d: %s%s%s\n", fid,
 						   dir, slash(dir, file) ? "/" : "", file);
 					fid_old = fid;
 					did_old = did;
 				}
-				printf("     %#B\n", &hash);
+				printf("      %#B\n", &hash);
 				count++;
 			}
 			e->destroy(e);
@@ -922,11 +955,11 @@ METHOD(attest_db_t, list_hashes, void,
 						get_directory(this, did, &dir);
 						did_old = did;
 					}
-					printf("%3d: %s%s%s\n", fid,
+					printf("%4d: %s%s%s\n", fid,
 						   dir, slash(dir, file) ? "/" : "", file);
 					fid_old = fid;
 				}
-				printf("     %#B '%s'\n", &hash, product);
+				printf("      %#B '%s'\n", &hash, product);
 				count++;
 			}
 			e->destroy(e);
@@ -964,7 +997,7 @@ METHOD(attest_db_t, list_measurements, void,
 			{
 				if (this->kid != kid_old)
 				{
-					printf("%3d: %#B '%s'\n", this->kid, &this->key, owner);
+					printf("%4d: %#B '%s'\n", this->kid, &this->key, owner);
 					kid_old = this->kid;
 				}
 				printf("%5d %02d %#B\n", seq_no, pcr, &hash);
@@ -993,7 +1026,7 @@ METHOD(attest_db_t, list_measurements, void,
 			{
 				if (kid != kid_old)
 				{
-					printf("%3d: %#B '%s'\n", kid, &keyid, owner);
+					printf("%4d: %#B '%s'\n", kid, &keyid, owner);
 					kid_old = kid;
 				}
 				printf("%5d %02d %#B\n", seq_no, pcr, &hash);
@@ -1026,7 +1059,7 @@ METHOD(attest_db_t, list_measurements, void,
 				if (cid != cid_old)
 				{
 					cfn = pts_comp_func_name_create(vid, name, qualifier);
-					printf("%3d: %s\n", cid, print_cfn(cfn));
+					printf("%4d: %s\n", cid, print_cfn(cfn));
 					cfn->destroy(cfn);
 					cid_old = cid;
 				}
@@ -1047,6 +1080,7 @@ METHOD(attest_db_t, add, bool,
 {
 	bool success = FALSE;
 
+	/* add key/component pair */
 	if (this->kid && this->cid)
 	{
 		success = this->db->execute(this->db, NULL,
@@ -1056,6 +1090,104 @@ METHOD(attest_db_t, add, bool,
 		printf("key/component pair (%d/%d) %sinserted into database\n",
 				this->kid, this->cid, success ? "" : "could not be ");
 	}
+
+	/* add directory or file measurement for a given product */
+	if ((this->did || this->fid) && this->pid)
+	{
+		char *pathname, *filename, *label;
+		pts_file_meas_t *measurements;
+		chunk_t measurement, hash;
+		int fid, did, files_added = 0, hashes_added = 0;
+		enumerator_t *enumerator, *e;
+
+		pathname = this->did ? this->dir : this->file;
+		measurements = pts_file_meas_create_from_path(0, pathname, this->did,
+												this->relative, this->algo);
+		if (!measurements)
+		{
+			return FALSE;
+		}
+		if (this->fid && this->relative)
+		{
+			set_directory(this, dirname(pathname), TRUE);
+		}
+		did = this->relative ? this->did : 0;
+
+		enumerator = measurements->create_enumerator(measurements);
+		while (enumerator->enumerate(enumerator, &filename, &measurement))
+		{
+			/* retrieve or create filename */
+			label = "could not be created";
+
+			e = this->db->query(this->db,
+				"SELECT id FROM files WHERE path = ?",
+				DB_TEXT, filename, 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 (type, path) VALUES (0, ?)",
+					DB_TEXT, filename) == 1)
+				{
+					label = "created";
+					files_added++;
+				}
+			}
+			e->destroy(e);
+
+			printf("%4d: %s - %s\n", fid, filename, label);
+
+			/* retrieve or create file hash */
+			label = "could not be created";
+
+			e = this->db->query(this->db,
+				"SELECT hash FROM file_hashes "
+				"WHERE algo = ? AND file = ? AND directory = ? AND product = ?",
+				DB_INT, this->algo, DB_INT, fid, DB_INT, did, DB_INT, this->pid,
+				DB_BLOB);
+			if (!e)
+			{
+				printf("file_hashes query failed\n");
+				break;
+			}
+			if (e->enumerate(e, &hash))
+			{
+				label = chunk_equals(measurement, hash) ?
+						"exists and equals" : "exists and differs";
+			}
+			else
+			{
+				if (this->db->execute(this->db, NULL,
+					"INSERT INTO file_hashes "
+					"(file, directory, product, algo, hash) "
+					"VALUES (?, ?, ?, ?, ?)",
+					DB_INT, fid, DB_INT, did, DB_INT, this->pid,
+					DB_INT, this->algo,	DB_BLOB, measurement) == 1)
+				{
+					label = "created";
+					hashes_added++;
+				}
+			}
+			e->destroy(e);
+
+			printf("     %#B - %s\n", &measurement, label);
+		}
+		enumerator->destroy(enumerator);
+
+		printf("%d measurements, added %d new files and %d new file hashes\n",
+			    measurements->get_file_count(measurements),
+			    files_added, hashes_added);
+		measurements->destroy(measurements);
+		success = TRUE;
+	}
 	return success;
 }
 
@@ -1173,6 +1305,8 @@ attest_db_t *attest_db_create(char *uri)
 			.set_product = _set_product,
 			.set_pid = _set_pid,
 			.set_algo = _set_algo,
+			.set_ima = _set_ima,
+			.set_relative = _set_relative,
 			.set_owner = _set_owner,
 			.list_products = _list_products,
 			.list_files = _list_files,

src/libpts/plugins/imv_attestation/attest_db.h

@@ -125,6 +125,16 @@ struct attest_db_t {
 	 */
 	void (*set_algo)(attest_db_t *this, pts_meas_algorithms_t algo);
 
+	/**
+	 * Set that the IMA-specific SHA-1 template hash be computed
+	 */
+	void (*set_ima)(attest_db_t *this);
+
+	/**
+	 * Set that relative filenames are to be used
+	 */
+	void (*set_relative)(attest_db_t *this);
+
 	/**
 	 * Set owner [user/host] of an AIK
 	 *

src/libpts/plugins/imv_attestation/data.sql

@@ -89,7 +89,7 @@ INSERT INTO files (
 INSERT INTO files (
   type, path
 ) VALUES (
-  1, '/lib/xtables/'
+  1, '/lib/xtables'
 );
 
 INSERT INTO files (

src/libpts/pts/pts.c

@@ -23,12 +23,13 @@
 #include <trousers/tss.h>
 #include <trousers/trousers.h>
 
+#include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/utsname.h>
+#include <libgen.h>
+#include <unistd.h>
 #include <errno.h>
 
-#define PTS_BUF_SIZE	4096
-
 /**
  * Maximum number of PCR's of TPM, TPM Spec 1.2
  */
@@ -486,54 +487,6 @@ METHOD(pts_t, get_aik_keyid, bool,
 	return success;
 }
 
-METHOD(pts_t, hash_file, bool,
-	private_pts_t *this, hasher_t *hasher, char *pathname, u_char *hash)
-{
-	u_char buffer[PTS_BUF_SIZE];
-	FILE *file;
-	int bytes_read;
-
-	file = fopen(pathname, "rb");
-	if (!file)
-	{
-		DBG1(DBG_PTS,"  file '%s' can not be opened, %s", pathname,
-			 strerror(errno));
-		return FALSE;
-	}
-	while (TRUE)
-	{
-		bytes_read = fread(buffer, 1, sizeof(buffer), file);
-		if (bytes_read > 0)
-		{
-			hasher->get_hash(hasher, chunk_create(buffer, bytes_read), NULL);
-		}
-		else
-		{
-			hasher->get_hash(hasher, chunk_empty, hash);
-			break;
-		}
-	}
-	fclose(file);
-
-	return TRUE;
-}
-
-/**
- * Get the relative filename of a fully qualified file pathname
- */
-static char* get_filename(char *pathname)
-{
-	char *pos, *filename;
-
-	pos = filename = pathname;
-	while (pos && *(++pos) != '\0')
-	{
-		filename = pos;
-		pos = strchr(filename, '/');
-	}
-	return filename;
-}
-
 METHOD(pts_t, is_path_valid, bool,
 	private_pts_t *this, char *path, pts_error_code_t *error_code)
 {
@@ -565,82 +518,6 @@ METHOD(pts_t, is_path_valid, bool,
 	return TRUE;
 }
 
-METHOD(pts_t, do_measurements, pts_file_meas_t*,
-	private_pts_t *this, u_int16_t request_id, char *pathname, bool is_directory)
-{
-	hasher_t *hasher;
-	hash_algorithm_t hash_alg;
-	u_char hash[HASH_SIZE_SHA384];
-	chunk_t measurement;
-	pts_file_meas_t *measurements;
-
-	/* Create a hasher */
-	hash_alg = pts_meas_algo_to_hash(this->algorithm);
-	hasher = lib->crypto->create_hasher(lib->crypto, hash_alg);
-	if (!hasher)
-	{
-		DBG1(DBG_PTS, "hasher %N not available", hash_algorithm_names, hash_alg);
-		return NULL;
-	}
-
-	/* Create a measurement object */
-	measurements = pts_file_meas_create(request_id);
-
-	/* Link the hash to the measurement and set the measurement length */
-	measurement = chunk_create(hash, hasher->get_hash_size(hasher));
-
-	if (is_directory)
-	{
-		enumerator_t *enumerator;
-		char *rel_name, *abs_name;
-		struct stat st;
-
-		enumerator = enumerator_create_directory(pathname);
-		if (!enumerator)
-		{
-			DBG1(DBG_PTS,"  directory '%s' can not be opened, %s", pathname,
-				 strerror(errno));
-			hasher->destroy(hasher);
-			measurements->destroy(measurements);
-			return NULL;
-		}
-		while (enumerator->enumerate(enumerator, &rel_name, &abs_name, &st))
-		{
-			/* measure regular files only */
-			if (S_ISREG(st.st_mode) && *rel_name != '.')
-			{
-				if (!hash_file(this, hasher, abs_name, hash))
-				{
-					enumerator->destroy(enumerator);
-					hasher->destroy(hasher);
-					measurements->destroy(measurements);
-					return NULL;
-				}
-				DBG2(DBG_PTS, "  %#B for '%s'", &measurement, rel_name);
-				measurements->add(measurements, rel_name, measurement);
-			}
-		}
-		enumerator->destroy(enumerator);
-	}
-	else
-	{
-		char *filename;
-
-		if (!hash_file(this, hasher, pathname, hash))
-		{
-			hasher->destroy(hasher);
-			measurements->destroy(measurements);
-			return NULL;
-		}
-		filename = get_filename(pathname);
-		DBG2(DBG_PTS, "  %#B for '%s'", &measurement, filename);
-		measurements->add(measurements, filename, measurement);
-	}
-	hasher->destroy(hasher);
-
-	return measurements;
-}
-
 /**
  * Obtain statistical information describing a file
  */
@@ -748,7 +625,7 @@ METHOD(pts_t, get_metadata, pts_file_meta_t*,
 			metadata->destroy(metadata);
 			return NULL;
 		}
-		entry->filename = strdup(get_filename(pathname));
+		entry->filename = strdup(basename(pathname));
 		metadata->add(metadata, entry);
 	}
 
@@ -1499,8 +1376,6 @@ pts_t *pts_create(bool is_imc)
 			.set_aik = _set_aik,
 			.get_aik_keyid = _get_aik_keyid,
 			.is_path_valid = _is_path_valid,
-			.hash_file = _hash_file,
-			.do_measurements = _do_measurements,
 			.get_metadata = _get_metadata,
 			.read_pcr = _read_pcr,
 			.extend_pcr = _extend_pcr,

src/libpts/pts/pts.h

@@ -229,35 +229,14 @@ struct pts_t {
 	 */
 	bool (*is_path_valid)(pts_t *this, char *path, pts_error_code_t *error_code);
 
-	/**
-	* Compute a hash over a file
-	 * @param hasher			Hasher to be used
-	 * @param pathname			Absolute path of a file
-	 * @param hash				Buffer to keep hash output
-	 * @return					TRUE if path is valid and hashing succeeded
-	 */
-	bool (*hash_file)(pts_t *this, hasher_t *hasher, char *pathname, u_char *hash);
-
-	/**
-	 * Do PTS File Measurements
-	 *
-	 * @param request_id		ID of PTS File Measurement Request
-	 * @param pathname			Absolute pathname of file to be measured
-	 * @param is_directory		TRUE if directory contents are measured
-	 * @return					PTS File Measurements of NULL if FAILED
-	 */
-	pts_file_meas_t* (*do_measurements)(pts_t *this, u_int16_t request_id,
-										char *pathname, bool is_directory);
-
 	/**
 	 * Obtain file metadata
 	 *
 	 * @param pathname			Absolute pathname of file/directory
-	 * @param is_directory		TRUE if directory contents are requested
+	 * @param is_dir			TRUE if directory contents are requested
 	 * @return					PTS File Metadata or NULL if FAILED
 	 */
-	pts_file_meta_t* (*get_metadata)(pts_t *this, char *pathname,
+	pts_file_meta_t* (*get_metadata)(pts_t *this, char *pathname, bool is_dir);
-									 bool is_directory);
 
 	/**
 	 * Reads given PCR value and returns it

src/libpts/pts/pts_file_meas.c

@@ -18,6 +18,10 @@
 #include <utils/linked_list.h>
 #include <debug.h>
 
+#include <sys/stat.h>
+#include <libgen.h>
+#include <errno.h>
+
 typedef struct private_pts_file_meas_t private_pts_file_meas_t;
 
 /**
@@ -201,3 +205,131 @@ pts_file_meas_t *pts_file_meas_create(u_int16_t request_id)
 	return &this->public;
 }
 
+/**
+ * Hash a file with a given absolute pathname
+ */
+static bool hash_file(hasher_t *hasher, char *pathname, u_char *hash)
+{
+	u_char buffer[4096];
+	size_t bytes_read;
+	FILE *file;
+
+	file = fopen(pathname, "rb");
+	if (!file)
+	{
+		DBG1(DBG_PTS,"  file '%s' can not be opened, %s", pathname,
+			 strerror(errno));
+		return FALSE;
+	}
+	while (TRUE)
+	{
+		bytes_read = fread(buffer, 1, sizeof(buffer), file);
+		if (bytes_read > 0)
+		{
+			hasher->get_hash(hasher, chunk_create(buffer, bytes_read), NULL);
+		}
+		else
+		{
+			hasher->get_hash(hasher, chunk_empty, hash);
+			break;
+		}
+	}
+	fclose(file);
+
+	return TRUE;
+}
+
+/**
+ * See header
+ */
+pts_file_meas_t *pts_file_meas_create_from_path(u_int16_t request_id,
+							char *pathname, bool is_dir, bool use_rel_name,
+							pts_meas_algorithms_t alg)
+{
+	private_pts_file_meas_t *this;
+	hash_algorithm_t hash_alg;
+	hasher_t *hasher;
+	u_char hash[HASH_SIZE_SHA384];
+	chunk_t measurement;
+	char* filename;
+	bool success = TRUE;
+
+	/* Create a hasher and a hash measurement buffer */
+	hash_alg = pts_meas_algo_to_hash(alg);
+	hasher = lib->crypto->create_hasher(lib->crypto, hash_alg);
+	if (!hasher)
+	{
+		DBG1(DBG_PTS, "hasher %N not available", hash_algorithm_names, hash_alg);
+		return NULL;
+	}
+	measurement = chunk_create(hash, hasher->get_hash_size(hasher));
+
+	INIT(this,
+		.public = {
+			.get_request_id = _get_request_id,
+			.get_file_count = _get_file_count,
+			.add = _add,
+			.create_enumerator = _create_enumerator,
+			.insert = _insert,
+			.verify = _verify,
+			.destroy = _destroy,
+		},
+		.request_id = request_id,
+		.list = linked_list_create(),
+	);
+
+	if (is_dir)
+	{
+		enumerator_t *enumerator;
+		char *rel_name, *abs_name;
+		struct stat st;
+
+		enumerator = enumerator_create_directory(pathname);
+		if (!enumerator)
+		{
+			DBG1(DBG_PTS, "  directory '%s' can not be opened, %s", pathname,
+				 strerror(errno));
+			success = FALSE;
+			goto end;
+		}
+		while (enumerator->enumerate(enumerator, &rel_name, &abs_name, &st))
+		{
+			/* measure regular files only */
+			if (S_ISREG(st.st_mode) && *rel_name != '.')
+			{
+				if (!hash_file(hasher, abs_name, hash))
+				{
+					success = FALSE;
+					break;
+				}
+				filename = use_rel_name ? rel_name : abs_name;
+				DBG2(DBG_PTS, "  %#B for '%s'", &measurement, filename);
+				add(this, filename, measurement);
+			}
+		}
+		enumerator->destroy(enumerator);
+	}
+	else
+	{
+		if (!hash_file(hasher, pathname, hash))
+		{
+			success = FALSE;
+			goto end;
+		}
+		filename = use_rel_name ? basename(pathname) : pathname;
+		DBG2(DBG_PTS, "  %#B for '%s'", &measurement, filename);
+		add(this, filename, measurement);
+	}
+
+end:
+	hasher->destroy(hasher);
+	if (success)
+	{
+		return &this->public;
+	}
+	else
+	{
+		destroy(this);
+		return NULL;
+	}
+}

src/libpts/pts/pts_file_meas.h

@@ -93,4 +93,17 @@ struct pts_file_meas_t {
  */
 pts_file_meas_t* pts_file_meas_create(u_int16_t request_id);
 
+/**
+ * Creates a pts_file_meas_t object measuring a file/directory
+ *
+ * @param request_id		ID of PTS File Measurement Request
+ * @param pathname			Absolute file or directory pathname
+ * @param is_dir			TRUE if directory path
+ * @param use_rel_name		TRUE if relative filenames are to be used
+ * @param alg				PTS hash measurement algorithm to be used
+ */
+pts_file_meas_t* pts_file_meas_create_from_path(u_int16_t request_id,
+							char* pathname, bool is_dir, bool use_rel_name,
+							pts_meas_algorithms_t alg);
+
 #endif /** PTS_FILE_MEAS_H_ @}*/