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pikvm/pikvm#957: Added ESTABLISHED,RELATED rule to otgnet

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This commit is contained in:
Maxim Devaev 2023-03-26 01:24:26 +02:00
parent 2cd2fa8722
commit f6283e1197
2 changed files with 15 additions and 0 deletions
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2
kvmd/apps/otgnet/__init__.py
View File

@ -39,6 +39,7 @@ from .. import init
from .netctl import BaseCtl
from .netctl import IfaceUpCtl
from .netctl import IfaceAddIpCtl
from .netctl import IptablesAllowEstRelCtl
from .netctl import IptablesDropAllCtl
from .netctl import IptablesAllowIcmpCtl
from .netctl import IptablesAllowPortCtl
@ -101,6 +102,7 @@ class _Service: # pylint: disable=too-many-instance-attributes
ctls: list[BaseCtl] = [
CustomCtl(self.__pre_start_cmd, self.__post_stop_cmd, placeholders),
IfaceUpCtl(self.__ip_cmd, netcfg.iface),
IptablesAllowEstRelCtl(self.__iptables_cmd, netcfg.iface),
*([IptablesAllowIcmpCtl(self.__iptables_cmd, netcfg.iface)] if self.__allow_icmp else []),
*[
IptablesAllowPortCtl(self.__iptables_cmd, netcfg.iface, port, tcp)

13
kvmd/apps/otgnet/netctl.py
View File

@ -45,6 +45,19 @@ class IfaceAddIpCtl(BaseCtl):
return [*self.__base_cmd, "address", ("add" if direct else "del"), self.__cidr, "dev", self.__iface]
class IptablesAllowEstRelCtl(BaseCtl):
def __init__(self, base_cmd: list[str], iface: str) -> None:
self.__base_cmd = base_cmd
self.__iface = iface
def get_command(self, direct: bool) -> list[str]:
return [
*self.__base_cmd,
("-A" if direct else "-D"), "INPUT", "-i", self.__iface,
"-m", "state", "--state", "ESTABLISHED,RELATED", "-j", "ACCEPT",
]
class IptablesDropAllCtl(BaseCtl):
def __init__(self, base_cmd: list[str], iface: str) -> None:
self.__base_cmd = base_cmd