added big brother event auditor
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bb87bc192e
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@ -1,12 +1,12 @@
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#!/usr/bin/env python3
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'''
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"""
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Onionr - Private P2P Communication
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This file initializes Onionr when ran to be a daemon or with commands
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Run with 'help' for usage.
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'''
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'''
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"""
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"""
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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@ -19,7 +19,7 @@
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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'''
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"""
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# Set the user's locale for encoding reasons
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import locale # noqa
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@ -37,8 +37,12 @@ except ModuleNotFoundError as e:
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print('Onionr needs ' + str(e) + ' installed')
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# Onionr imports
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from etc import onionrvalues # For different Onionr related constants such as versions
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import onionrsetup as setup
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# For different Onionr related constants such as versions
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from etc import onionrvalues # noqa
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import onionrexceptions # noqa
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import onionrsetup as setup # noqa
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min_ver = onionrvalues.MIN_PY_VERSION
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@ -51,10 +55,20 @@ if sys.version_info[0] == 2 or sys.version_info[1] < min_ver:
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from utils import createdirs
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createdirs.create_dirs()
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from onionrcommands import parser
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from onionrplugins import onionrevents as events
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import bigbrother # noqa
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from onionrcommands import parser # noqa
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from onionrplugins import onionrevents as events # noqa
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setup.setup_config()
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import config # noqa
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if config.get('advanced.security_auditing', True):
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try:
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bigbrother.enable_ministries()
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except onionrexceptions.PythonVersion:
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pass
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setup.setup_default_plugins()
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43
src/bigbrother/__init__.py
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43
src/bigbrother/__init__.py
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@ -0,0 +1,43 @@
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"""
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Onionr - Private P2P Communication
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Processes interpreter hook events to detect security leaks
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"""
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import sys
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from typing import Iterable
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from onionrexceptions import PythonVersion
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from . import ministry
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"""
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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def _auditing_supported():
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try:
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sys.audit
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sys.addaudithook
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except AttributeError:
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raise PythonVersion('Auditing not supported interpreter')
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def sys_hook_entrypoint(event, info):
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if event == 'socket.connect':
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ministry.ofcommunication.detect_socket_leaks(info)
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def enable_ministries(disable_hooks: Iterable = []):
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"""Enable auditors"""
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_auditing_supported() # raises PythonVersion exception if <3.8
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sys.addaudithook(sys_hook_entrypoint)
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1
src/bigbrother/ministry/__init__.py
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1
src/bigbrother/ministry/__init__.py
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@ -0,0 +1 @@
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from . import ofcommunication
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src/bigbrother/ministry/ofcommunication.py
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38
src/bigbrother/ministry/ofcommunication.py
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@ -0,0 +1,38 @@
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"""
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Onionr - Private P2P Communication
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Ensure sockets don't get made to non localhost
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"""
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import ipaddress
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import logger
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"""
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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def detect_socket_leaks(socket_event):
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"""is called by the big brother broker whenever
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a socket connection happens.
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raises exception & logs if not to loopback
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"""
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ip_address = socket_event[1][0]
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# validate is valid ip address (no hostname, etc)
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# raises valueerror if not
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ipaddress.ip_address(ip_address)
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if not ip_address.startswith('127'):
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logger.warn(f'Conn made to {ip_address} outside of Tor/similar')
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raise ValueError('Conn to non loopback IP, this is a privacy concern!')
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@ -104,3 +104,6 @@ class MissingAddress(Exception):
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class ContactDeleted(Exception):
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pass
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class PythonVersion(Exception):
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pass
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