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Merge remote-tracking branch 'origin/main' into proto-ipv6-overlay

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# Conflicts:
#	client/firewall/iptables/manager_linux.go
#	client/firewall/nftables/manager_linux.go
This commit is contained in:
Viktor Liu
2026-04-10 06:42:31 +02:00
parent a1cb952764 d2cdc0efec
commit 456298864c
10 changed files with 72 additions and 51 deletions
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24
client/firewall/iptables/manager_linux.go
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@@ -42,7 +42,6 @@ type Manager struct {
type iFaceMapper interface {
Name() string
Address() wgaddr.Address
IsUserspaceBind() bool
}
// Create iptables firewall manager
@@ -107,10 +106,9 @@ func (m *Manager) hasIPv6() bool {
func (m *Manager) Init(stateManager *statemanager.Manager) error {
state := &ShutdownState{
InterfaceState: &InterfaceState{
NameStr: m.wgIface.Name(),
WGAddress: m.wgIface.Address(),
UserspaceBind: m.wgIface.IsUserspaceBind(),
MTU: m.router.mtu,
NameStr: m.wgIface.Name(),
WGAddress: m.wgIface.Address(),
MTU: m.router.mtu,
},
}
stateManager.RegisterState(state)
@@ -359,19 +357,17 @@ func (m *Manager) Close(stateManager *statemanager.Manager) error {
return nberrors.FormatErrorOrNil(merr)
}
// AllowNetbird allows netbird interface traffic
// AllowNetbird allows netbird interface traffic.
// This is called when USPFilter wraps the native firewall, adding blanket accept
// rules so that packet filtering is handled in userspace instead of by netfilter.
func (m *Manager) AllowNetbird() error {
if !m.wgIface.IsUserspaceBind() {
return nil
}
var merr *multierror.Error
if _, err := m.aclMgr.AddPeerFiltering(nil, net.IP{0, 0, 0, 0}, firewall.ProtocolALL, nil, nil, firewall.ActionAccept, ""); err != nil {
merr = multierror.Append(merr, fmt.Errorf("allow netbird interface traffic: %w", err))
if _, err := m.AddPeerFiltering(nil, net.IP{0, 0, 0, 0}, firewall.ProtocolALL, nil, nil, firewall.ActionAccept, ""); err != nil {
merr = multierror.Append(merr, fmt.Errorf("allow netbird v4 interface traffic: %w", err))
}
if m.hasIPv6() {
if _, err := m.aclMgr6.AddPeerFiltering(nil, net.IPv6zero, firewall.ProtocolALL, nil, nil, firewall.ActionAccept, ""); err != nil {
merr = multierror.Append(merr, fmt.Errorf("allow v6 netbird interface traffic: %w", err))
if _, err := m.AddPeerFiltering(nil, net.IPv6zero, firewall.ProtocolALL, nil, nil, firewall.ActionAccept, ""); err != nil {
merr = multierror.Append(merr, fmt.Errorf("allow netbird v6 interface traffic: %w", err))
}
}
return nberrors.FormatErrorOrNil(merr)