/**
* see section 3.8.1 of TCG TNC IF-IMC Specification 1.3
*/
TNC_Result TNC_IMC_Initialize(TNC_IMCID imc_id,
TNC_Version min_version,
TNC_Version max_version,
TNC_Version *actual_version)
{
if (imc_attestation)
{
DBG1(DBG_IMC, "IMC \"%s\" has already been initialized", imc_name);
return TNC_RESULT_ALREADY_INITIALIZED;
}
if (!pts_meas_algo_probe(&supported_algorithms) ||
!pts_dh_group_probe(&supported_dh_groups))
{
return TNC_RESULT_FATAL;
}
imc_attestation = imc_agent_create(imc_name, msg_types, 1, imc_id,
actual_version);
if (!imc_attestation)
{
return TNC_RESULT_FATAL;
}
libpts_init();
if (min_version > TNC_IFIMC_VERSION_1 || max_version < TNC_IFIMC_VERSION_1)
{
DBG1(DBG_IMC, "no common IF-IMC version");
return TNC_RESULT_NO_COMMON_VERSION;
}
return TNC_RESULT_SUCCESS;
}
/**
* see section 3.8.1 of TCG TNC IF-IMC Specification 1.3
*/
TNC_Result TNC_IMC_Initialize(TNC_IMCID imc_id,
TNC_Version min_version,
TNC_Version max_version,
TNC_Version *actual_version)
{
bool mandatory_dh_groups;
if (imc_attestation)
{
DBG1(DBG_IMC, "IMC \"%s\" has already been initialized", imc_name);
return TNC_RESULT_ALREADY_INITIALIZED;
}
imc_attestation = imc_agent_create(imc_name, msg_types, countof(msg_types),
imc_id, actual_version);
if (!imc_attestation)
{
return TNC_RESULT_FATAL;
}
mandatory_dh_groups = lib->settings->get_bool(lib->settings,
"%s.plugins.imc-attestation.mandatory_dh_groups", TRUE, lib->ns);
if (!pts_meas_algo_probe(&supported_algorithms) ||
!pts_dh_group_probe(&supported_dh_groups, mandatory_dh_groups))
{
imc_attestation->destroy(imc_attestation);
imc_attestation = NULL;
return TNC_RESULT_FATAL;
}
libpts_init();
if (min_version > TNC_IFIMC_VERSION_1 || max_version < TNC_IFIMC_VERSION_1)
{
DBG1(DBG_IMC, "no common IF-IMC version");
return TNC_RESULT_NO_COMMON_VERSION;
}
return TNC_RESULT_SUCCESS;
}
/**
* see section 3.8.1 of TCG TNC IF-IMV Specification 1.3
*/
TNC_Result TNC_IMV_Initialize(TNC_IMVID imv_id,
TNC_Version min_version,
TNC_Version max_version,
TNC_Version *actual_version)
{
char *hash_alg, *dh_group, *uri, *cadir;
if (imv_attestation)
{
DBG1(DBG_IMV, "IMV \"%s\" has already been initialized", imv_name);
return TNC_RESULT_ALREADY_INITIALIZED;
}
if (!pts_meas_algo_probe(&supported_algorithms) ||
!pts_dh_group_probe(&supported_dh_groups))
{
return TNC_RESULT_FATAL;
}
imv_attestation = imv_agent_create(imv_name, msg_types, countof(msg_types),
imv_id, actual_version);
if (!imv_attestation)
{
return TNC_RESULT_FATAL;
}
libpts_init();
if (min_version > TNC_IFIMV_VERSION_1 || max_version < TNC_IFIMV_VERSION_1)
{
DBG1(DBG_IMV, "no common IF-IMV version");
return TNC_RESULT_NO_COMMON_VERSION;
}
hash_alg = lib->settings->get_str(lib->settings,
"libimcv.plugins.imv-attestation.hash_algorithm", "sha256");
dh_group = lib->settings->get_str(lib->settings,
"libimcv.plugins.imv-attestation.dh_group", "ecp256");
if (!pts_meas_algo_update(hash_alg, &supported_algorithms) ||
!pts_dh_group_update(dh_group, &supported_dh_groups))
{
return TNC_RESULT_FATAL;
}
/* create a PTS credential manager */
pts_credmgr = credential_manager_create();
/* create PTS credential set */
cadir = lib->settings->get_str(lib->settings,
"libimcv.plugins.imv-attestation.cadir", NULL);
pts_creds = pts_creds_create(cadir);
if (pts_creds)
{
pts_credmgr->add_set(pts_credmgr, pts_creds->get_set(pts_creds));
}
/* attach file measurement database */
uri = lib->settings->get_str(lib->settings,
"libimcv.plugins.imv-attestation.database", NULL);
pts_db = pts_database_create(uri);
return TNC_RESULT_SUCCESS;
}
