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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# (c) 2017, Alice Ferrazzi <alice.ferrazzi@gmail.com>
# Distributed under the terms of the GNU General Public License v2 or later
import subprocess
import os
class PaTch(object):
def __init__(self):
self.config_file = None
self.patch_file = None
self.kernel_version = None
self.livepatch_status = "Not started"
self.kernel_dir = None
def set_kernel_dir(self, kernel_dir):
self.kernel_dir = kernel_dir
def get_kernel_dir(self):
return self.kernel_dir
def set_lp_status(self, livepatch_status):
self.livepatch_status = livepatch_status
def get_lp_status(self):
return self.livepatch_status
def update_lp_status(self, livepatch):
if os.path.isfile(livepatch):
self.livepatch_status = 'done'
return self.livepatch_status
def set_kernel_version(self, kernel_version):
self.kernel_version = kernel_version
def get_kernel_version(self):
return self.kernel_version
def get_config(self):
return self.config_file
def set_config(self, config_file):
self.config_file = config_file
def set_patch(self, patch_file):
self.patch_file = patch_file
def get_patch(self):
return self.patch_file
def kernel_version(self):
pass
def compare_kernel_config(self):
pass
def recompile_kernel(self):
pass
def search_kernel_source_path(self):
pass
def get_kernel_source_path(self):
self.kernel_path = ''
return self.kernel_path
# kpatch-build/kpatch-build -s /usr/src/linux-4.9.16-gentoo/
# -v /usr/src/linux-4.9.16-gentoo/vmlinux examples/test.patch
# -c ../elivepatch/elivepatch_server/config --skip-gcc-check
def build_livepatch(self, kernel_source, vmlinux):
"""
Function for building the livepatch
:param kernel_source: directory of the kernel source
:param vmlinux: path to the vmlinux file
:return: void
"""
debug=True
bashCommand = ['sudo','kpatch-build']
bashCommand.extend(['-s',kernel_source])
bashCommand.extend(['-v',vmlinux])
bashCommand.extend(['-c',self.config_file])
bashCommand.extend([self.patch_file])
bashCommand.extend(['--skip-gcc-check'])
if debug:
bashCommand.extend(['--skip-cleanup'])
bashCommand.extend(['--debug'])
self.command(bashCommand)
def build_kernel(self, kernel_source_dir):
self.command(['sudo','make','oldconfig'], kernel_source_dir)
self.command(['sudo','make'], kernel_source_dir)
self.command(['sudo','make', 'modules'], kernel_source_dir)
self.command(['sudo','make', 'modules_install'], kernel_source_dir)
def get_kernel(self, kernel_version):
self.command(['sudo','emerge','-q','"=sys-kernel/gentoo-sources-'+kernel_version+'"'])
def command(self, bashCommand, kernel_source_dir=None):
"""
Popen override function
:param bashCommand: List of command arguments to execute
:param kernel_source_dir: the source directory of the kernel
:return: void
"""
if kernel_source_dir:
print(bashCommand)
process = subprocess.Popen(bashCommand, stdout=subprocess.PIPE, cwd=kernel_source_dir)
output, error = process.communicate()
print(output)
else:
print(bashCommand)
process = subprocess.Popen(bashCommand, stdout=subprocess.PIPE)
output, error = process.communicate()
print(output)
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