#include "tpm.h"
#include "common/io/io.h"
const char* ffDetectTPM(FFTPMResult* result)
{
if (!ffPathExists("/sys/class/tpm/tpm0/", FF_PATHTYPE_DIRECTORY))
{
if (!ffPathExists("/sys/class/tpm/", FF_PATHTYPE_DIRECTORY))
return "TPM is not supported by kernel";
return "TPM device is not found";
}
if (ffReadFileBuffer("/sys/class/tpm/tpm0/tpm_version_major", &result->version))
{
ffStrbufTrimRightSpace(&result->version);
if (ffStrbufEqualS(&result->version, "2"))
ffStrbufSetStatic(&result->version, "2.0");
}
if (ffReadFileBuffer("/sys/class/tpm/tpm0/device/description", &result->description))
ffStrbufTrimRightSpace(&result->description);
return NULL;
}