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feat(netlink): detect ipv6 support level (#2523)

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- add option `IPV6_CHECK_ADDRESSESES=[2001:4860:4860::8888]:53,[2606:4700:4700::1111]:53`
- gluetun needs access to the addresses above through the host firewall, to test ipv6 support before setting up the vpn
This commit is contained in:
Quentin McGaw
2026-04-07 13:48:15 +02:00
committed by GitHub
parent 1ae85aa5d0
commit 11883aa830
20 changed files with 498 additions and 67 deletions
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internal/vpn/loop.go
+34 -33
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@@ -8,6 +8,7 @@ import (
"github.com/qdm12/gluetun/internal/constants"
"github.com/qdm12/gluetun/internal/loopstate"
"github.com/qdm12/gluetun/internal/models"
"github.com/qdm12/gluetun/internal/netlink"
"github.com/qdm12/gluetun/internal/vpn/state"
"github.com/qdm12/log"
)
@@ -21,10 +22,10 @@ type Loop struct {
healthChecker HealthChecker
healthServer HealthServer
// Fixed parameters
buildInfo models.BuildInformation
versionInfo bool
ipv6Supported bool
vpnInputPorts []uint16 // TODO make changeable through stateful firewall
buildInfo models.BuildInformation
versionInfo bool
ipv6SupportLevel netlink.IPv6SupportLevel
vpnInputPorts []uint16 // TODO make changeable through stateful firewall
// Configurators
openvpnConf OpenVPN
netLinker NetLinker
@@ -52,7 +53,7 @@ const (
defaultBackoffTime = 15 * time.Second
)
func NewLoop(vpnSettings settings.VPN, ipv6Supported bool, vpnInputPorts []uint16,
func NewLoop(vpnSettings settings.VPN, ipv6SupportLevel netlink.IPv6SupportLevel, vpnInputPorts []uint16,
providers Providers, storage Storage, boringPoll Service,
healthSettings settings.Health, healthChecker HealthChecker, healthServer HealthServer,
openvpnConf OpenVPN, netLinker NetLinker, fw Firewall, routing Routing,
@@ -70,33 +71,33 @@ func NewLoop(vpnSettings settings.VPN, ipv6Supported bool, vpnInputPorts []uint1
state := state.New(statusManager, vpnSettings)
return &Loop{
statusManager: statusManager,
state: state,
providers: providers,
storage: storage,
healthSettings: healthSettings,
healthChecker: healthChecker,
healthServer: healthServer,
buildInfo: buildInfo,
versionInfo: versionInfo,
ipv6Supported: ipv6Supported,
vpnInputPorts: vpnInputPorts,
boringPoll: boringPoll,
openvpnConf: openvpnConf,
netLinker: netLinker,
fw: fw,
routing: routing,
portForward: portForward,
publicip: publicip,
dnsLooper: dnsLooper,
cmder: cmder,
logger: logger,
client: client,
start: start,
running: running,
stop: stop,
stopped: stopped,
userTrigger: true,
backoffTime: defaultBackoffTime,
statusManager: statusManager,
state: state,
providers: providers,
storage: storage,
healthSettings: healthSettings,
healthChecker: healthChecker,
healthServer: healthServer,
buildInfo: buildInfo,
versionInfo: versionInfo,
ipv6SupportLevel: ipv6SupportLevel,
vpnInputPorts: vpnInputPorts,
boringPoll: boringPoll,
openvpnConf: openvpnConf,
netLinker: netLinker,
fw: fw,
routing: routing,
portForward: portForward,
publicip: publicip,
dnsLooper: dnsLooper,
cmder: cmder,
logger: logger,
client: client,
start: start,
running: running,
stop: stop,
stopped: stopped,
userTrigger: true,
backoffTime: defaultBackoffTime,
}
}