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bundles: use a common metadata key for firewall restrictions, use repo.libs.tools.resolve_identifier()
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Franzi 2021-02-15 14:16:35 +01:00
parent 9a2f9038c4
commit 5c1eba0d58
Signed by: kunsi
GPG key ID: 12E3D2136B818350
8 changed files with 92 additions and 49 deletions
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20
bundles/unbound/metadata.py
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@ -41,17 +41,25 @@ def cpu_cores_to_config_values(metadata):
'iptables/bundle_rules/unbound',
)
def iptables(metadata):
interfaces = metadata.get('unbound/restrict-to-interfaces', set())
rules = []
identifiers = metadata.get('unbound/restrict-to', set())
rules = set()
for iface in sorted(interfaces):
rules.append(f'iptables_both -A INPUT -i {iface} -p tcp --dport 53 -j ACCEPT')
rules.append(f'iptables_both -A INPUT -i {iface} -p udp --dport 53 -j ACCEPT')
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': rules,
'unbound': list(sorted(rules)),
},
},
}