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## @file
# This file is used to define the FMMT dependent external tool management class.
#
# Copyright (c) 2021-, Intel Corporation. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
##
import glob
import logging
import os
import shutil
import sys
import tempfile
import uuid
from FirmwareStorageFormat.Common import *
from utils.FmmtLogger import FmmtLogger as logger
import subprocess
def ExecuteCommand(cmd: list) -> None:
subprocess.run(cmd,stdout=subprocess.DEVNULL)
class GUIDTool:
def __init__(self, guid: str, short_name: str, command: str) -> None:
self.guid: str = guid
self.short_name: str = short_name
self.command: str = command
self.ifexist: bool = False
def pack(self, buffer: bytes) -> bytes:
"""
compress file.
"""
tool = self.command
if tool:
tmp = tempfile.mkdtemp(dir=os.environ.get('tmp'))
ToolInputFile = os.path.join(tmp, "pack_uncompress_sec_file")
ToolOuputFile = os.path.join(tmp, "pack_sec_file")
try:
file = open(ToolInputFile, "wb")
file.write(buffer)
file.close()
command = [tool, '-e', '-o', ToolOuputFile,
ToolInputFile]
ExecuteCommand(command)
buf = open(ToolOuputFile, "rb")
res_buffer = buf.read()
except Exception as msg:
logger.error(msg)
return ""
else:
buf.close()
if os.path.exists(tmp):
shutil.rmtree(tmp)
return res_buffer
else:
logger.error(
"Error parsing section: EFI_SECTION_GUID_DEFINED cannot be parsed at this time.")
logger.info("Its GUID is: %s" % self.guid)
return ""
def unpack(self, buffer: bytes) -> bytes:
"""
buffer: remove common header
uncompress file
"""
tool = self.command
if tool:
tmp = tempfile.mkdtemp(dir=os.environ.get('tmp'))
ToolInputFile = os.path.join(tmp, "unpack_sec_file")
ToolOuputFile = os.path.join(tmp, "unpack_uncompress_sec_file")
try:
file = open(ToolInputFile, "wb")
file.write(buffer)
file.close()
command = [tool, '-d', '-o', ToolOuputFile, ToolInputFile]
ExecuteCommand(command)
buf = open(ToolOuputFile, "rb")
res_buffer = buf.read()
except Exception as msg:
logger.error(msg)
return ""
else:
buf.close()
if os.path.exists(tmp):
shutil.rmtree(tmp)
return res_buffer
else:
logger.error("Error parsing section: EFI_SECTION_GUID_DEFINED cannot be parsed at this time.")
logger.info("Its GUID is: %s" % self.guid)
return ""
class GUIDTools:
'''
GUIDTools is responsible for reading FMMTConfig.ini, verify the tools and provide interfaces to access those tools.
'''
default_tools = {
struct2stream(ModifyGuidFormat("a31280ad-481e-41b6-95e8-127f4c984779")): GUIDTool("a31280ad-481e-41b6-95e8-127f4c984779", "TIANO", "TianoCompress"),
struct2stream(ModifyGuidFormat("ee4e5898-3914-4259-9d6e-dc7bd79403cf")): GUIDTool("ee4e5898-3914-4259-9d6e-dc7bd79403cf", "LZMA", "LzmaCompress"),
struct2stream(ModifyGuidFormat("fc1bcdb0-7d31-49aa-936a-a4600d9dd083")): GUIDTool("fc1bcdb0-7d31-49aa-936a-a4600d9dd083", "CRC32", "GenCrc32"),
struct2stream(ModifyGuidFormat("d42ae6bd-1352-4bfb-909a-ca72a6eae889")): GUIDTool("d42ae6bd-1352-4bfb-909a-ca72a6eae889", "LZMAF86", "LzmaF86Compress"),
struct2stream(ModifyGuidFormat("3d532050-5cda-4fd0-879e-0f7f630d5afb")): GUIDTool("3d532050-5cda-4fd0-879e-0f7f630d5afb", "BROTLI", "BrotliCompress"),
}
def __init__(self, tooldef_file: str=None) -> None:
self.dir = os.path.join(os.path.dirname(__file__), "..")
self.tooldef_file = tooldef_file if tooldef_file else os.path.join(self.dir, "FmmtConf.ini")
self.tooldef = dict()
def SetConfigFile(self) -> None:
if os.environ['FmmtConfPath']:
self.tooldef_file = os.path.join(os.environ['FmmtConfPath'], 'FmmtConf.ini')
else:
PathList = os.environ['PATH']
for CurrentPath in PathList:
if os.path.exists(os.path.join(CurrentPath, 'FmmtConf.ini')):
self.tooldef_file = os.path.join(CurrentPath, 'FmmtConf.ini')
break
def VerifyTools(self, guidtool) -> None:
"""
Verify Tools and Update Tools path.
"""
path_env = os.environ.get("PATH")
path_env_list = path_env.split(os.pathsep)
path_env_list.append(os.path.dirname(__file__))
path_env_list = list(set(path_env_list))
cmd = guidtool.command
if os.path.isabs(cmd):
if not os.path.exists(cmd):
if guidtool not in self.default_tools:
logger.error("Tool Not found %s, which causes compress/uncompress process error." % cmd)
logger.error("Please goto edk2 repo in current console, run 'edksetup.bat rebuild' command, and try again.\n")
else:
logger.error("Tool Not found %s, which causes compress/uncompress process error." % cmd)
else:
guidtool.ifexist = True
else:
for syspath in path_env_list:
if glob.glob(os.path.join(syspath, cmd+"*")):
guidtool.ifexist = True
break
else:
if guidtool not in self.default_tools:
logger.error("Tool Not found %s, which causes compress/uncompress process error." % cmd)
logger.error("Please goto edk2 repo in current console, run 'edksetup.bat rebuild' command, and try again.\n")
else:
logger.error("Tool Not found %s, which causes compress/uncompress process error." % cmd)
def LoadingTools(self) -> None:
self.SetConfigFile()
if os.path.exists(self.tooldef_file):
with open(self.tooldef_file, "r") as fd:
config_data = fd.readlines()
for line in config_data:
try:
if not line.startswith("#"):
guid, short_name, command = line.split()
new_format_guid = struct2stream(ModifyGuidFormat(guid.strip()))
self.tooldef[new_format_guid] = GUIDTool(
guid.strip(), short_name.strip(), command.strip())
except:
logger.error("GuidTool load error!")
continue
else:
self.tooldef.update(self.default_tools)
def __getitem__(self, guid):
if not self.tooldef:
self.LoadingTools()
guid_tool = self.tooldef.get(guid)
if guid_tool:
self.VerifyTools(guid_tool)
return guid_tool
else:
logger.error("{} GuidTool is not defined!".format(guid))
raise Exception("Process Failed: is not defined!")
guidtools = GUIDTools()
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