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lib / python3.6 / site-packages / firewall / core /

ðŸ“ ..
ðŸ“„ __init__.py(0 B)
ðŸ“ __pycache__
ðŸ“„ base.py(2.05 KB)
ðŸ“„ ebtables.py(9.17 KB)
ðŸ“„ fw.py(49.22 KB)
ðŸ“„ fw_config.py(47.27 KB)
ðŸ“„ fw_direct.py(21.99 KB)
ðŸ“„ fw_helper.py(1.79 KB)
ðŸ“„ fw_icmptype.py(2.43 KB)
ðŸ“„ fw_ifcfg.py(2.5 KB)
ðŸ“„ fw_ipset.py(9.45 KB)
ðŸ“„ fw_nm.py(7.02 KB)
ðŸ“„ fw_policies.py(2.74 KB)
ðŸ“„ fw_policy.py(85.56 KB)
ðŸ“„ fw_service.py(1.6 KB)
ðŸ“„ fw_transaction.py(6.16 KB)
ðŸ“„ fw_zone.py(44.62 KB)
ðŸ“„ helper.py(804 B)
ðŸ“„ icmp.py(3.03 KB)
ðŸ“ io
ðŸ“„ ipXtables.py(60.43 KB)
ðŸ“„ ipset.py(12.61 KB)
ðŸ“„ logger.py(30.31 KB)
ðŸ“„ modules.py(3.73 KB)
ðŸ“„ nftables.py(98.77 KB)
ðŸ“„ prog.py(1.47 KB)
ðŸ“„ rich.py(33.05 KB)
ðŸ“„ watcher.py(3.15 KB)

Editing: modules.py

# -*- coding: utf-8 -*-
#
# Copyright (C) 2010-2016 Red Hat, Inc.
#
# Authors:
# Thomas Woerner <twoerner@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

"""modules backend"""

__all__ = [ "modules" ]

from firewall.core.prog import runProg
from firewall.core.logger import log
from firewall.config import COMMANDS

class modules(object):
    def __init__(self):
        self._load_command = COMMANDS["modprobe"]
        # Use rmmod instead of modprobe -r (RHBZ#1031102)
        self._unload_command = COMMANDS["rmmod"]

def __repr__(self):
        return '%s' % (self.__class__)

def loaded_modules(self):
        """ get all loaded kernel modules and their dependencies """
        mods = [ ]
        deps = { }
        try:
            with open("/proc/modules", "r") as f:
                for line in f:
                    if not line:
                        break
                    line = line.strip()
                    splits = line.split()
                    mods.append(splits[0])
                    if splits[3] != "-":
                        deps[splits[0]] = splits[3].split(",")[:-1]
                    else:
                        deps[splits[0]] = [ ]
        except FileNotFoundError:
            pass

return mods, deps # [loaded modules], {module:[dependants]}

def load_module(self, module):
        log.debug2("%s: %s %s", self.__class__, self._load_command, module)
        return runProg(self._load_command, [ module ])

def unload_module(self, module):
        log.debug2("%s: %s %s", self.__class__, self._unload_command, module)
        return runProg(self._unload_command, [ module ])

def get_deps(self, module, deps, ret):
        """ get all dependants of a module """
        if module not in deps:
            return
        for mod in deps[module]:
            self.get_deps(mod, deps, ret)
            if mod not in ret:
                ret.append(mod)
        if module not in ret:
            ret.append(module)

def get_firewall_modules(self):
        """ get all loaded firewall-related modules """
        mods = [ ]
        (mods2, deps) = self.loaded_modules()

self.get_deps("nf_conntrack", deps, mods)
        # these modules don't have dependants listed in /proc/modules
        for bad_bad_module in ["nf_conntrack_ipv4", "nf_conntrack_ipv6"]:
            if bad_bad_module in mods:
                # move them to end of list, so we'll remove them later
                mods.remove(bad_bad_module)
                mods.insert(-1, bad_bad_module)

for mod in mods2:
            if mod in [ "ip_tables", "ip6_tables", "ebtables" ] or \
               mod.startswith("iptable_") or mod.startswith("ip6table_") or \
               mod.startswith("nf_") or mod.startswith("xt_") or \
               mod.startswith("ipt_") or mod.startswith("ip6t_") :
                self.get_deps(mod, deps, mods)
        return mods

def unload_firewall_modules(self):
        """ unload all firewall-related modules """
        for module in self.get_firewall_modules():
            (status, ret) = self.unload_module(module)
            if status != 0:
                log.debug1("Failed to unload module '%s': %s" %(module, ret))

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