moved attestation plugins to libpts in order to resolve circular reference with libimcv
This commit is contained in:
Andreas Steffen
@@ -1,356 +0,0 @@
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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 "imv_attestation_state.h"
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#include <utils/lexparser.h>
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#include <utils/linked_list.h>
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#include <debug.h>
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typedef struct private_imv_attestation_state_t private_imv_attestation_state_t;
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typedef struct file_meas_request_t file_meas_request_t;
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/**
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* PTS File/Directory Measurement request entry
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*/
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struct file_meas_request_t {
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u_int16_t id;
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int file_id;
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bool is_dir;
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};
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/**
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* Private data of an imv_attestation_state_t object.
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*/
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struct private_imv_attestation_state_t {
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/**
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* Public members of imv_attestation_state_t
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*/
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imv_attestation_state_t public;
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/**
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* TNCCS connection ID
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*/
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TNC_ConnectionID connection_id;
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/**
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* TNCCS connection state
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*/
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TNC_ConnectionState state;
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/**
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* IMV Attestation handshake state
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*/
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imv_attestation_handshake_state_t handshake_state;
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/**
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* IMV action recommendation
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*/
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TNC_IMV_Action_Recommendation rec;
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/**
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* IMV evaluation result
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*/
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TNC_IMV_Evaluation_Result eval;
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/**
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* File Measurement Request counter
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*/
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u_int16_t file_meas_request_counter;
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/**
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* List of PTS File/Directory Measurement requests
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*/
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linked_list_t *file_meas_requests;
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/**
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* List of Functional Components
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*/
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linked_list_t *components;
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/**
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* PTS object
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*/
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pts_t *pts;
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/**
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* Measurement error
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*/
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bool measurement_error;
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};
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typedef struct entry_t entry_t;
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/**
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* Define an internal reason string entry
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*/
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struct entry_t {
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char *lang;
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char *string;
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};
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/**
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* Table of multi-lingual reason string entries
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*/
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static entry_t reasons[] = {
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{ "en", "IMV Attestation: Incorrect/pending file measurement/component"
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" evidence or invalid TPM Quote signature received" },
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{ "mn", "IMV Attestation: Буруу/хүлээгдэж байгаа файл/компонент хэмжилт "
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"эсвэл буруу TPM Quote гарын үсэг" },
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{ "de", "IMV Attestation: Falsche/Fehlende Dateimessung/Komponenten Beweis "
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"oder ungültige TPM Quote Unterschrift ist erhalten" },
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};
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METHOD(imv_state_t, get_connection_id, TNC_ConnectionID,
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private_imv_attestation_state_t *this)
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{
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return this->connection_id;
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}
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METHOD(imv_state_t, change_state, void,
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private_imv_attestation_state_t *this, TNC_ConnectionState new_state)
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{
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this->state = new_state;
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}
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METHOD(imv_state_t, get_recommendation, void,
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private_imv_attestation_state_t *this, TNC_IMV_Action_Recommendation *rec,
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TNC_IMV_Evaluation_Result *eval)
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{
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*rec = this->rec;
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*eval = this->eval;
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}
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METHOD(imv_state_t, set_recommendation, void,
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private_imv_attestation_state_t *this, TNC_IMV_Action_Recommendation rec,
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TNC_IMV_Evaluation_Result eval)
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{
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this->rec = rec;
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this->eval = eval;
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}
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METHOD(imv_state_t, get_reason_string, bool,
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private_imv_attestation_state_t *this, chunk_t preferred_language,
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chunk_t *reason_string, chunk_t *reason_language)
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{
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chunk_t pref_lang, lang;
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u_char *pos;
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int i;
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while (eat_whitespace(&preferred_language))
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{
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if (!extract_token(&pref_lang, ',', &preferred_language))
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{
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/* last entry in a comma-separated list or single entry */
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pref_lang = preferred_language;
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}
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/* eat trailing whitespace */
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pos = pref_lang.ptr + pref_lang.len - 1;
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while (pref_lang.len && *pos-- == ' ')
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{
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pref_lang.len--;
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}
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for (i = 0 ; i < countof(reasons); i++)
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{
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lang = chunk_create(reasons[i].lang, strlen(reasons[i].lang));
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if (chunk_equals(lang, pref_lang))
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{
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*reason_language = lang;
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*reason_string = chunk_create(reasons[i].string,
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strlen(reasons[i].string));
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return TRUE;
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}
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}
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}
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/* no preferred language match found - use the default language */
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*reason_string = chunk_create(reasons[0].string,
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strlen(reasons[0].string));
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*reason_language = chunk_create(reasons[0].lang,
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strlen(reasons[0].lang));
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return TRUE;
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}
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METHOD(imv_state_t, destroy, void,
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private_imv_attestation_state_t *this)
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{
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this->file_meas_requests->destroy_function(this->file_meas_requests, free);
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this->components->destroy_offset(this->components,
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offsetof(pts_component_t, destroy));
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this->pts->destroy(this->pts);
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free(this);
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}
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METHOD(imv_attestation_state_t, get_handshake_state,
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imv_attestation_handshake_state_t, private_imv_attestation_state_t *this)
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{
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return this->handshake_state;
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}
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METHOD(imv_attestation_state_t, set_handshake_state, void,
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private_imv_attestation_state_t *this,
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imv_attestation_handshake_state_t new_state)
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{
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this->handshake_state = new_state;
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}
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METHOD(imv_attestation_state_t, get_pts, pts_t*,
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private_imv_attestation_state_t *this)
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{
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return this->pts;
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}
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METHOD(imv_attestation_state_t, add_file_meas_request, u_int16_t,
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private_imv_attestation_state_t *this, int file_id, bool is_dir)
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{
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file_meas_request_t *request;
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request = malloc_thing(file_meas_request_t);
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request->id = ++this->file_meas_request_counter;
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request->file_id = file_id;
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request->is_dir = is_dir;
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this->file_meas_requests->insert_last(this->file_meas_requests, request);
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return this->file_meas_request_counter;
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}
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METHOD(imv_attestation_state_t, check_off_file_meas_request, bool,
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private_imv_attestation_state_t *this, u_int16_t id, int *file_id,
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bool* is_dir)
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{
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enumerator_t *enumerator;
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file_meas_request_t *request;
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bool found = FALSE;
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enumerator = this->file_meas_requests->create_enumerator(this->file_meas_requests);
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while (enumerator->enumerate(enumerator, &request))
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{
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if (request->id == id)
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{
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found = TRUE;
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*file_id = request->file_id;
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*is_dir = request->is_dir;
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this->file_meas_requests->remove_at(this->file_meas_requests, enumerator);
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free(request);
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break;
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}
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}
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enumerator->destroy(enumerator);
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return found;
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}
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METHOD(imv_attestation_state_t, get_file_meas_request_count, int,
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private_imv_attestation_state_t *this)
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{
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return this->file_meas_requests->get_count(this->file_meas_requests);
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}
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METHOD(imv_attestation_state_t, add_component, void,
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private_imv_attestation_state_t *this, pts_component_t *entry)
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{
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this->components->insert_last(this->components, entry);
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}
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METHOD(imv_attestation_state_t, check_off_component, pts_component_t*,
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private_imv_attestation_state_t *this, pts_comp_func_name_t *name)
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{
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enumerator_t *enumerator;
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pts_component_t *entry, *found = NULL;
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enumerator = this->components->create_enumerator(this->components);
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while (enumerator->enumerate(enumerator, &entry))
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{
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if (name->equals(name, entry->get_comp_func_name(entry)))
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{
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found = entry;
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this->components->remove_at(this->components, enumerator);
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break;
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}
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}
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enumerator->destroy(enumerator);
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return found;
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}
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METHOD(imv_attestation_state_t, get_component_count, int,
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private_imv_attestation_state_t *this)
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{
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return this->components->get_count(this->components);
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}
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METHOD(imv_attestation_state_t, get_measurement_error, bool,
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private_imv_attestation_state_t *this)
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{
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return this->measurement_error;
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}
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METHOD(imv_attestation_state_t, set_measurement_error, void,
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private_imv_attestation_state_t *this)
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{
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this->measurement_error = TRUE;
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}
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/**
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* Described in header.
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*/
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imv_state_t *imv_attestation_state_create(TNC_ConnectionID connection_id)
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{
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private_imv_attestation_state_t *this;
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char *platform_info;
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INIT(this,
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.public = {
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.interface = {
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.get_connection_id = _get_connection_id,
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.change_state = _change_state,
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.get_recommendation = _get_recommendation,
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.set_recommendation = _set_recommendation,
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.get_reason_string = _get_reason_string,
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.destroy = _destroy,
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},
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.get_handshake_state = _get_handshake_state,
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.set_handshake_state = _set_handshake_state,
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.get_pts = _get_pts,
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.add_file_meas_request = _add_file_meas_request,
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.check_off_file_meas_request = _check_off_file_meas_request,
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.get_file_meas_request_count = _get_file_meas_request_count,
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.add_component = _add_component,
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.check_off_component = _check_off_component,
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.get_component_count = _get_component_count,
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.get_measurement_error = _get_measurement_error,
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.set_measurement_error = _set_measurement_error,
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},
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.connection_id = connection_id,
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.state = TNC_CONNECTION_STATE_CREATE,
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.handshake_state = IMV_ATTESTATION_STATE_INIT,
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.rec = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
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.eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
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.file_meas_requests = linked_list_create(),
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.components = linked_list_create(),
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.pts = pts_create(FALSE),
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);
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platform_info = lib->settings->get_str(lib->settings,
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"libimcv.plugins.imv-attestation.platform_info", NULL);
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if (platform_info)
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{
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this->pts->set_platform_info(this->pts, platform_info);
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}
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return &this->public.interface;
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}
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