mirror of
https://github.com/nsacyber/HIRS.git
synced 2024-12-19 04:58:00 +00:00
113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
/**
|
|
* Copyright (C) 2017-2018, U.S. Government
|
|
*/
|
|
#ifndef HIRS_PROVISIONERTPM2_INCLUDE_TPM2TOOLSUTILS_H_
|
|
#define HIRS_PROVISIONERTPM2_INCLUDE_TPM2TOOLSUTILS_H_
|
|
|
|
#include <string>
|
|
#include <unordered_map>
|
|
|
|
namespace hirs {
|
|
|
|
namespace tpm2_tools_utils {
|
|
|
|
/**
|
|
* Enum class that provides list of supported tpm2_tools versions
|
|
*/
|
|
enum class Tpm2ToolsVersion {
|
|
VERSION_1_1_0,
|
|
VERSION_2_1_0,
|
|
VERSION_3
|
|
};
|
|
|
|
/**
|
|
* Utility class that determines the version of tpm2_tools present on the
|
|
* system.
|
|
*/
|
|
class Tpm2ToolsVersionChecker {
|
|
private:
|
|
static const std::unordered_map<std::string, Tpm2ToolsVersion> kVersionMap;
|
|
static const std::unordered_map<std::string,
|
|
Tpm2ToolsVersion> kMaxSupportedVersionMap;
|
|
|
|
static std::string getDistribution();
|
|
|
|
public:
|
|
/**
|
|
* Makes a simple tpm2-tools call to determine the version available on the
|
|
* current system.
|
|
*
|
|
* @return enum specifying the version of tpm2-tools available locally
|
|
*/
|
|
static Tpm2ToolsVersion findTpm2ToolsVersion();
|
|
};
|
|
|
|
|
|
/**
|
|
* Utility class that provides functions to parse information from tpm2_tools
|
|
* output.
|
|
*/
|
|
class Tpm2ToolsOutputParser {
|
|
public:
|
|
/**
|
|
* Parses the provided Non-volatile (NV) Index List for the data size of
|
|
* the index at the prescribed NV handle. Expects output from tpm2_nvlist.
|
|
*
|
|
* @param nvHandle memory address to search the nvListOutput for
|
|
* @param nvListOutput the NV Index List to search for the data size
|
|
* @return the size of the desired NV index or 0 if the index isn't found
|
|
*/
|
|
static uint16_t parseNvDataSize(const std::string& nvHandle,
|
|
const std::string& nvListOutput);
|
|
|
|
/**
|
|
* Pulls the data out of the output from a tpm2_nvread command.
|
|
*
|
|
* @param nvReadOutput the output from a call to tpm2_nvread
|
|
* @return the data serialized as bytes, or an empty string if
|
|
* nvReadOutput improperly formatted
|
|
*/
|
|
static std::string parseNvReadOutput(const std::string& nvReadOutput);
|
|
|
|
/**
|
|
* Parses the provided Persistent Object List for the provided handle.
|
|
*
|
|
* @param handle memory address to search the nvListPersistentOutput for
|
|
* @param listPersistentOutput the Persistent Object list to search
|
|
* @return true, if handle is found / false, otherwise
|
|
*/
|
|
static bool parsePersistentObjectExists(const std::string& handle,
|
|
const std::string& listPersistentOutput);
|
|
|
|
/**
|
|
* Parses the provided tpm2-tool output for a TPM Error Code.
|
|
*
|
|
* @param toolOutput the output from a call to any of the tpm2-tools
|
|
* @return a TPM error code if found, or an empty string, otherwise
|
|
*/
|
|
static std::string parseTpmErrorCode(const std::string& toolOutput);
|
|
|
|
/**
|
|
* Parses the provided tpm2-tool output for a tpm2_tools version.
|
|
*
|
|
* @param toolOutput the output from a call to any of the tpm2-tools
|
|
* @return a tpm2_tools version if found, or an empty string, otherwise
|
|
*/
|
|
static std::string parseTpm2ToolsVersion(const std::string& toolOutput);
|
|
|
|
/**
|
|
* Parses the provided tpm2-tool version for the major version.
|
|
*
|
|
* @param toolVersion the output from a call to parseTpm2ToolsVersion
|
|
* @return tpm2_tools major version if found, or an empty string, otherwise
|
|
*/
|
|
static std::string parseTpm2ToolsMajorVersion(
|
|
const std::string& toolVersion);
|
|
};
|
|
|
|
} // namespace tpm2_tools_utils
|
|
|
|
} // namespace hirs
|
|
|
|
#endif // HIRS_PROVISIONERTPM2_INCLUDE_TPM2TOOLSUTILS_H_
|