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hotfix(firewall): re-add iptables-legacy for setups with nft kernel support

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This commit is contained in:
Quentin McGaw
2024-07-29 05:43:34 +00:00
parent ddbfdc9f14
commit 26705f5a23
3 changed files with 8 additions and 2 deletions
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2
Dockerfile
View File

@@ -222,7 +222,7 @@ RUN apk add --no-cache --update -l wget && \
apk add --no-cache --update -X "https://dl-cdn.alpinelinux.org/alpine/v3.17/main" openvpn\~2.5 && \
mv /usr/sbin/openvpn /usr/sbin/openvpn2.5 && \
apk del openvpn && \
apk add --no-cache --update openvpn ca-certificates iptables unbound tzdata && \
apk add --no-cache --update openvpn ca-certificates iptables iptables-legacy unbound tzdata && \
mv /usr/sbin/openvpn /usr/sbin/openvpn2.6 && \
rm -rf /var/cache/apk/* /etc/unbound/* /usr/sbin/unbound-* /etc/openvpn/*.sh /usr/lib/openvpn/plugins/openvpn-plugin-down-root.so && \
deluser openvpn && \

2
internal/firewall/firewall.go
View File

@@ -38,7 +38,7 @@ type Config struct { //nolint:maligned
func NewConfig(ctx context.Context, logger Logger,
runner command.Runner, defaultRoutes []routing.DefaultRoute,
localNetworks []routing.LocalNetwork) (config *Config, err error) {
iptables, err := checkIptablesSupport(ctx, runner, "iptables", "iptables-nft")
iptables, err := checkIptablesSupport(ctx, runner, "iptables", "iptables-nft", "iptables-legacy")
if err != nil {
return nil, err
}

6
internal/firewall/iptables.go
View File

@@ -269,12 +269,18 @@ func (c *Config) runUserPostRules(ctx context.Context, filepath string, remove b
case strings.HasPrefix(line, "iptables-nft "):
ipv4 = true
rule = strings.TrimPrefix(line, "iptables-nft ")
case strings.HasPrefix(line, "iptables-legacy "):
ipv4 = true
rule = strings.TrimPrefix(line, "iptables-legacy ")
case strings.HasPrefix(line, "ip6tables "):
ipv4 = false
rule = strings.TrimPrefix(line, "ip6tables ")
case strings.HasPrefix(line, "ip6tables-nft "):
ipv4 = false
rule = strings.TrimPrefix(line, "ip6tables-nft ")
case strings.HasPrefix(line, "ip6tables-legacy "):
ipv4 = false
rule = strings.TrimPrefix(line, "ip6tables-legacy ")
default:
continue
}