Implemented TCG PTS File Measurement attribute
This commit is contained in:
Sansar Choinyambuu
committed by
Andreas Steffen
Andreas Steffen
parent
e80cf188c1
commit
32fef433c1
@@ -28,7 +28,8 @@ libimcv_la_SOURCES = \
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tcg/tcg_pts_attr_gen_attest_evid.h tcg/tcg_pts_attr_gen_attest_evid.c \
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tcg/tcg_pts_attr_simple_comp_evid.h tcg/tcg_pts_attr_simple_comp_evid.c \
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tcg/tcg_pts_attr_simple_evid_final.h tcg/tcg_pts_attr_simple_evid_final.c \
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tcg/tcg_pts_attr_req_file_meas.h tcg/tcg_pts_attr_req_file_meas.c
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tcg/tcg_pts_attr_req_file_meas.h tcg/tcg_pts_attr_req_file_meas.c \
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tcg/tcg_pts_attr_file_meas.h tcg/tcg_pts_attr_file_meas.c
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# CFLAGS = -Wall -Werror
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@@ -0,0 +1,371 @@
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/*
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* Copyright (C) 2011 Sansar Choinyambuu
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "tcg_pts_attr_file_meas.h"
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#include <pa_tnc/pa_tnc_msg.h>
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#include <bio/bio_writer.h>
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#include <bio/bio_reader.h>
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#include <utils/linked_list.h>
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/* For pow function */
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#include <math.h>
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#include <debug.h>
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typedef struct private_tcg_pts_attr_file_meas_t private_tcg_pts_attr_file_meas_t;
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typedef struct file_meas_entry_t file_meas_entry_t;
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/**
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* File Measurement entry
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*/
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struct file_meas_entry_t {
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chunk_t measurement;
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u_int16_t file_name_len;
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chunk_t file_name;
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};
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/**
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* File Measurement (see section 3.19.2 of PTS Protocol: Binding to TNC IF-M Specification)
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*
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* 1 2 3
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* 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
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*
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Number of Files included |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Number of Files included |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Request ID | Measurement Length |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Measurement #1 (Variable Length) |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Filename Length | Filename (Variable Length) ~
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* ~ Filename (Variable Length) ~
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Measurement #2 (Variable Length) |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Filename Length | Filename (Variable Length) ~
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* ~ Filename (Variable Length) ~
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* ...........................
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*/
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#define PTS_FILE_MEAS_SIZE 12
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/**
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* Private data of an tcg_pts_attr_file_meas_t object.
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*/
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struct private_tcg_pts_attr_file_meas_t {
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/**
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* Public members of tcg_pts_attr_file_meas_t
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*/
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tcg_pts_attr_file_meas_t public;
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/**
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* Attribute vendor ID
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*/
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pen_t vendor_id;
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/**
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* Attribute type
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*/
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u_int32_t type;
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/**
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* Attribute value
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*/
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chunk_t value;
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/**
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* Noskip flag
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*/
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bool noskip_flag;
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/**
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* Number of files included
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*/
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u_int64_t number_of_files;
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/**
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* Request ID
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*/
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u_int16_t request_id;
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/**
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* Measurement Length
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*/
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u_int16_t meas_len;
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/**
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* List of File Measurement entries
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*/
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linked_list_t *measurements;
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};
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METHOD(pa_tnc_attr_t, get_vendor_id, pen_t,
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private_tcg_pts_attr_file_meas_t *this)
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{
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return this->vendor_id;
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}
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METHOD(pa_tnc_attr_t, get_type, u_int32_t,
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private_tcg_pts_attr_file_meas_t *this)
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{
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return this->type;
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}
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METHOD(pa_tnc_attr_t, get_value, chunk_t,
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private_tcg_pts_attr_file_meas_t *this)
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{
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return this->value;
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}
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METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
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private_tcg_pts_attr_file_meas_t *this)
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{
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return this->noskip_flag;
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}
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METHOD(pa_tnc_attr_t, set_noskip_flag,void,
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private_tcg_pts_attr_file_meas_t *this, bool noskip)
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{
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this->noskip_flag = noskip;
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}
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METHOD(pa_tnc_attr_t, build, void,
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private_tcg_pts_attr_file_meas_t *this)
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{
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bio_writer_t *writer;
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enumerator_t *enumerator;
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file_meas_entry_t *entry;
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writer = bio_writer_create(PTS_FILE_MEAS_SIZE);
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/* Write the 64 bit integer as 2 parts, first 32 bit and second */
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writer->write_uint32 (writer, (this->number_of_files >> 32));
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writer->write_uint32 (writer, (this->number_of_files & (int)(pow(2,32) - 1)));
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writer->write_uint16(writer, this->request_id);
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writer->write_uint16(writer, this->meas_len);
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enumerator = this->measurements->create_enumerator(this->measurements);
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while (enumerator->enumerate(enumerator, &entry))
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{
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writer->write_data (writer, entry->measurement);
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writer->write_uint16 (writer, entry->file_name_len);
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writer->write_data(writer, entry->file_name);
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}
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enumerator->destroy(enumerator);
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this->value = chunk_clone(writer->get_buf(writer));
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writer->destroy(writer);
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}
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METHOD(pa_tnc_attr_t, process, status_t,
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private_tcg_pts_attr_file_meas_t *this, u_int32_t *offset)
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{
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bio_reader_t *reader;
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u_int32_t number_of_files;
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u_int64_t number_of_files_64;
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file_meas_entry_t *entry;
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if (this->value.len < PTS_FILE_MEAS_SIZE)
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{
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DBG1(DBG_TNC, "insufficient data for File Measurement");
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*offset = 0;
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return FAILED;
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}
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reader = bio_reader_create(this->value);
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reader->read_uint32(reader, &number_of_files);
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number_of_files_64 = number_of_files;
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this->number_of_files = (number_of_files_64 << 32);
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reader->read_uint32(reader, &number_of_files);
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this->number_of_files += number_of_files;
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reader->read_uint16(reader, &this->request_id);
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reader->read_uint16(reader, &this->meas_len);
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while (reader->remaining(reader))
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{
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entry = malloc_thing(file_meas_entry_t);
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reader->read_data (reader, this->meas_len, &entry->measurement);
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reader->read_uint16 (reader, &entry->file_name_len);
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reader->read_data(reader, entry->file_name_len, &entry->file_name);
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this->measurements->insert_last(this->measurements, entry);
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}
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reader->destroy(reader);
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return SUCCESS;
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}
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METHOD(pa_tnc_attr_t, destroy, void,
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private_tcg_pts_attr_file_meas_t *this)
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{
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free(this->value.ptr);
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this->measurements->destroy_function(this->measurements, free);
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free(this);
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}
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METHOD(tcg_pts_attr_file_meas_t, get_number_of_files, u_int64_t,
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private_tcg_pts_attr_file_meas_t *this)
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{
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return this->number_of_files;
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}
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METHOD(tcg_pts_attr_file_meas_t, set_number_of_files, void,
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private_tcg_pts_attr_file_meas_t *this, u_int64_t number_of_files)
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{
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this->number_of_files = number_of_files;
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}
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METHOD(tcg_pts_attr_file_meas_t, get_request_id, u_int16_t,
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private_tcg_pts_attr_file_meas_t *this)
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{
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return this->request_id;
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}
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METHOD(tcg_pts_attr_file_meas_t, set_request_id, void,
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private_tcg_pts_attr_file_meas_t *this, u_int16_t request_id)
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{
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this->request_id = request_id;
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}
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METHOD(tcg_pts_attr_file_meas_t, get_meas_len, u_int16_t,
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private_tcg_pts_attr_file_meas_t *this)
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{
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return this->meas_len;
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}
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METHOD(tcg_pts_attr_file_meas_t, set_meas_len, void,
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private_tcg_pts_attr_file_meas_t *this, u_int16_t meas_len)
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{
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this->meas_len = meas_len;
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}
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METHOD(tcg_pts_attr_file_meas_t, add_file_meas, void,
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private_tcg_pts_attr_file_meas_t *this, chunk_t measurement,
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chunk_t file_name)
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{
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file_meas_entry_t *entry;
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entry = malloc_thing(file_meas_entry_t);
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entry->measurement = measurement;
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entry->file_name_len = file_name.len;
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entry->file_name = file_name;
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this->measurements->insert_last(this->measurements, entry);
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}
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/**
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* Enumerate file measurement entries
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*/
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static bool port_filter(void *null, file_meas_entry_t **entry, chunk_t *measurement,
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void *i2, u_int16_t *file_name_len,
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void *i3, chunk_t *file_name)
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{
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*measurement = (*entry)->measurement;
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*file_name_len = (*entry)->file_name_len;
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*file_name = (*entry)->file_name;
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return TRUE;
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}
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METHOD(tcg_pts_attr_file_meas_t, create_file_meas_enumerator, enumerator_t*,
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private_tcg_pts_attr_file_meas_t *this)
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{
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return enumerator_create_filter(this->measurements->create_enumerator(this->measurements),
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(void*)port_filter, NULL, NULL);
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}
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/**
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* Described in header.
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*/
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pa_tnc_attr_t *tcg_pts_attr_file_meas_create(
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u_int64_t number_of_files,
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u_int16_t request_id,
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u_int16_t meas_len)
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{
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private_tcg_pts_attr_file_meas_t *this;
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INIT(this,
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.public = {
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.pa_tnc_attribute = {
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.get_vendor_id = _get_vendor_id,
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.get_type = _get_type,
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.get_value = _get_value,
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.get_noskip_flag = _get_noskip_flag,
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.set_noskip_flag = _set_noskip_flag,
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.build = _build,
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.process = _process,
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.destroy = _destroy,
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},
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.get_number_of_files= _get_number_of_files,
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.set_number_of_files= _set_number_of_files,
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.get_request_id = _get_request_id,
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.set_request_id = _set_request_id,
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.get_meas_len = _get_meas_len,
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.set_meas_len = _set_meas_len,
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.add_file_meas = _add_file_meas,
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.create_file_meas_enumerator = _create_file_meas_enumerator,
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},
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.vendor_id = PEN_TCG,
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.type = TCG_PTS_FILE_MEAS,
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.number_of_files = number_of_files,
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.request_id = request_id,
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.meas_len = meas_len,
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.measurements = linked_list_create(),
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);
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return &this->public.pa_tnc_attribute;
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}
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/**
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* Described in header.
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*/
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pa_tnc_attr_t *tcg_pts_attr_file_meas_create_from_data(chunk_t data)
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{
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private_tcg_pts_attr_file_meas_t *this;
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INIT(this,
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.public = {
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.pa_tnc_attribute = {
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.get_vendor_id = _get_vendor_id,
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.get_type = _get_type,
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.get_value = _get_value,
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.get_noskip_flag = _get_noskip_flag,
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.set_noskip_flag = _set_noskip_flag,
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.build = _build,
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.process = _process,
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.destroy = _destroy,
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},
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.get_number_of_files= _get_number_of_files,
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.set_number_of_files= _set_number_of_files,
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.get_request_id = _get_request_id,
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.set_request_id = _set_request_id,
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.get_meas_len = _get_meas_len,
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.set_meas_len = _set_meas_len,
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.add_file_meas = _add_file_meas,
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.create_file_meas_enumerator = _create_file_meas_enumerator,
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},
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.vendor_id = PEN_TCG,
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.type = TCG_PTS_FILE_MEAS,
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.value = chunk_clone(data),
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.measurements = linked_list_create(),
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);
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return &this->public.pa_tnc_attribute;
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}
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@@ -0,0 +1,122 @@
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/*
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* Copyright (C) 2011 Sansar Choinyambuu
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
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* for more details.
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*/
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/**
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* @defgroup tcg_pts_attr_file_meas tcg_pts_attr_file_meas
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* @{ @ingroup tcg_pts_attr_file_meas
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*/
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#ifndef TCG_PTS_ATTR_FILE_MEAS_H_
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#define TCG_PTS_ATTR_FILE_MEAS_H_
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typedef struct tcg_pts_attr_file_meas_t tcg_pts_attr_file_meas_t;
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#include "tcg_attr.h"
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#include "pa_tnc/pa_tnc_attr.h"
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/**
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* Class implementing the TCG PTS File Measurement attribute
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*
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*/
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struct tcg_pts_attr_file_meas_t {
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/**
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* Public PA-TNC attribute interface
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*/
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pa_tnc_attr_t pa_tnc_attribute;
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/**
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* Get Number of Files included
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*
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* @return Number of Files included
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*/
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u_int64_t (*get_number_of_files)(tcg_pts_attr_file_meas_t *this);
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/**
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* Set Number of Files included
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*
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* @param num_files Number of Files included
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*/
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void (*set_number_of_files)(tcg_pts_attr_file_meas_t *this,
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u_int64_t num_files);
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/**
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* Get Request ID
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*
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* @return Request ID
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*/
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u_int16_t (*get_request_id)(tcg_pts_attr_file_meas_t *this);
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/**
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* Set Request ID
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*
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* @param request_id Request ID
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*/
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void (*set_request_id)(tcg_pts_attr_file_meas_t *this,
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u_int16_t request_id);
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/**
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* Get Measurement Length
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*
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* @return Measurement Length
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*/
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u_int16_t (*get_meas_len)(tcg_pts_attr_file_meas_t *this);
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/**
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* Set Measurement Length
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*
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||||
* @param meas_len Measurement Length
|
||||
*/
|
||||
void (*set_meas_len)(tcg_pts_attr_file_meas_t *this,
|
||||
u_int16_t meas_len);
|
||||
|
||||
/**
|
||||
* Add a file measurement entry
|
||||
*
|
||||
* @param measurement Measurement value
|
||||
* @param file_name File Name
|
||||
*/
|
||||
void (*add_file_meas)(tcg_pts_attr_file_meas_t *this, chunk_t measurement,
|
||||
chunk_t file_name);
|
||||
|
||||
/**
|
||||
* Enumerates over all file measurements
|
||||
* Format: chunk_t *measurement, chunk_t *file_name
|
||||
*
|
||||
* @return enumerator
|
||||
*/
|
||||
enumerator_t* (*create_file_meas_enumerator)(tcg_pts_attr_file_meas_t *this);
|
||||
};
|
||||
|
||||
/**
|
||||
* Creates an tcg_pts_attr_file_meas_t object
|
||||
*
|
||||
* @param directory_flag Directory Contents Flag
|
||||
* @param request_id Request ID
|
||||
* @param delimiter Delimiter Character
|
||||
* @param path File Path
|
||||
*/
|
||||
pa_tnc_attr_t* tcg_pts_attr_file_meas_create(u_int64_t number_of_files,
|
||||
u_int16_t request_id,
|
||||
u_int16_t meas_len);
|
||||
|
||||
/**
|
||||
* Creates an tcg_pts_attr_file_meas_t object from received data
|
||||
*
|
||||
* @param value unparsed attribute value
|
||||
*/
|
||||
pa_tnc_attr_t* tcg_pts_attr_file_meas_create_from_data(chunk_t value);
|
||||
|
||||
#endif /** TCG_PTS_ATTR_FILE_MEAS_H_ @}*/
|
||||
Reference in New Issue
Block a user