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rework iptables configuration
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This commit is contained in:
Franzi 2021-03-21 10:30:04 +01:00
parent d3ea06c3e8
commit b943d2d465
Signed by: kunsi
GPG key ID: 12E3D2136B818350
8 changed files with 93 additions and 98 deletions
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24
bundles/unbound/metadata.py
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@ -1,3 +1,5 @@
from bundlewrap.metadata import atomic
defaults = {
'apt': {
'packages': {
@ -38,28 +40,14 @@ def cpu_cores_to_config_values(metadata):
@metadata_reactor.provides(
'iptables/bundle_rules/unbound',
'iptables/port_rules',
)
def iptables(metadata):
identifiers = metadata.get('unbound/restrict-to', set())
rules = set()
if identifiers:
for identifier in sorted(identifiers):
resolved = repo.libs.tools.resolve_identifier(repo, identifier)
for address in resolved['ipv4']:
rules.add(f'iptables -A INPUT -p tcp -s {address} --dport 53 -j ACCEPT')
rules.add(f'iptables -A INPUT -p udp -s {address} --dport 53 -j ACCEPT')
for address in resolved['ipv6']:
rules.add(f'ip6tables -A INPUT -p tcp -s {address} --dport 53 -j ACCEPT')
rules.add(f'ip6tables -A INPUT -p udp -s {address} --dport 53 -j ACCEPT')
return {
'iptables': {
'bundle_rules': {
'unbound': list(sorted(rules)),
'port_rules': {
'53': atomic(metadata.get('unbound/restrict-to', set())),
'53/udp': atomic(metadata.get('unbound/restrict-to', set())),
},
},
}