|
|
|
@ -6,7 +6,6 @@
|
|
|
|
package router
|
|
|
|
package router
|
|
|
|
|
|
|
|
|
|
|
|
import (
|
|
|
|
import (
|
|
|
|
"bytes"
|
|
|
|
|
|
|
|
"errors"
|
|
|
|
"errors"
|
|
|
|
"fmt"
|
|
|
|
"fmt"
|
|
|
|
"log"
|
|
|
|
"log"
|
|
|
|
@ -18,12 +17,12 @@ import (
|
|
|
|
|
|
|
|
|
|
|
|
ole "github.com/go-ole/go-ole"
|
|
|
|
ole "github.com/go-ole/go-ole"
|
|
|
|
"go4.org/netipx"
|
|
|
|
"go4.org/netipx"
|
|
|
|
|
|
|
|
"golang.org/x/exp/slices"
|
|
|
|
"golang.org/x/sys/windows"
|
|
|
|
"golang.org/x/sys/windows"
|
|
|
|
"golang.zx2c4.com/wireguard/tun"
|
|
|
|
"golang.zx2c4.com/wireguard/tun"
|
|
|
|
"golang.zx2c4.com/wireguard/windows/tunnel/winipcfg"
|
|
|
|
"golang.zx2c4.com/wireguard/windows/tunnel/winipcfg"
|
|
|
|
"tailscale.com/health"
|
|
|
|
"tailscale.com/health"
|
|
|
|
"tailscale.com/net/interfaces"
|
|
|
|
"tailscale.com/net/interfaces"
|
|
|
|
"tailscale.com/net/netaddr"
|
|
|
|
|
|
|
|
"tailscale.com/net/tsaddr"
|
|
|
|
"tailscale.com/net/tsaddr"
|
|
|
|
"tailscale.com/util/multierr"
|
|
|
|
"tailscale.com/util/multierr"
|
|
|
|
"tailscale.com/wgengine/winnet"
|
|
|
|
"tailscale.com/wgengine/winnet"
|
|
|
|
@ -324,25 +323,23 @@ func configureInterface(cfg *Config, tun *tun.NativeTun) (retErr error) {
|
|
|
|
// ours where the nexthop is meaningless, you're supposed to use
|
|
|
|
// ours where the nexthop is meaningless, you're supposed to use
|
|
|
|
// one of the local IP addresses of the interface. Find an IPv4
|
|
|
|
// one of the local IP addresses of the interface. Find an IPv4
|
|
|
|
// and IPv6 address we can use for this purpose.
|
|
|
|
// and IPv6 address we can use for this purpose.
|
|
|
|
var firstGateway4 *net.IP
|
|
|
|
var firstGateway4 netip.Addr
|
|
|
|
var firstGateway6 *net.IP
|
|
|
|
var firstGateway6 netip.Addr
|
|
|
|
addresses := make([]*net.IPNet, 0, len(cfg.LocalAddrs))
|
|
|
|
addresses := make([]netip.Prefix, 0, len(cfg.LocalAddrs))
|
|
|
|
for _, addr := range cfg.LocalAddrs {
|
|
|
|
for _, addr := range cfg.LocalAddrs {
|
|
|
|
if (addr.Addr().Is4() && ipif4 == nil) || (addr.Addr().Is6() && ipif6 == nil) {
|
|
|
|
if (addr.Addr().Is4() && ipif4 == nil) || (addr.Addr().Is6() && ipif6 == nil) {
|
|
|
|
// Can't program addresses for disabled protocol.
|
|
|
|
// Can't program addresses for disabled protocol.
|
|
|
|
continue
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
}
|
|
|
|
ipnet := netipx.PrefixIPNet(addr)
|
|
|
|
addresses = append(addresses, addr)
|
|
|
|
addresses = append(addresses, ipnet)
|
|
|
|
if addr.Addr().Is4() && !firstGateway4.IsValid() {
|
|
|
|
gateway := ipnet.IP
|
|
|
|
firstGateway4 = addr.Addr()
|
|
|
|
if addr.Addr().Is4() && firstGateway4 == nil {
|
|
|
|
} else if addr.Addr().Is6() && !firstGateway6.IsValid() {
|
|
|
|
firstGateway4 = &gateway
|
|
|
|
firstGateway6 = addr.Addr()
|
|
|
|
} else if addr.Addr().Is6() && firstGateway6 == nil {
|
|
|
|
|
|
|
|
firstGateway6 = &gateway
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
var routes []winipcfg.RouteData
|
|
|
|
var routes []*winipcfg.RouteData
|
|
|
|
foundDefault4 := false
|
|
|
|
foundDefault4 := false
|
|
|
|
foundDefault6 := false
|
|
|
|
foundDefault6 := false
|
|
|
|
for _, route := range cfg.Routes {
|
|
|
|
for _, route := range cfg.Routes {
|
|
|
|
@ -351,37 +348,33 @@ func configureInterface(cfg *Config, tun *tun.NativeTun) (retErr error) {
|
|
|
|
continue
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if route.Addr().Is6() && firstGateway6 == nil {
|
|
|
|
if route.Addr().Is6() && !firstGateway6.IsValid() {
|
|
|
|
// Windows won't let us set IPv6 routes without having an
|
|
|
|
// Windows won't let us set IPv6 routes without having an
|
|
|
|
// IPv6 local address set. However, when we've configured
|
|
|
|
// IPv6 local address set. However, when we've configured
|
|
|
|
// a default route, we want to forcibly grab IPv6 traffic
|
|
|
|
// a default route, we want to forcibly grab IPv6 traffic
|
|
|
|
// even if the v6 overlay network isn't configured. To do
|
|
|
|
// even if the v6 overlay network isn't configured. To do
|
|
|
|
// that, we add a dummy local IPv6 address to serve as a
|
|
|
|
// that, we add a dummy local IPv6 address to serve as a
|
|
|
|
// route source.
|
|
|
|
// route source.
|
|
|
|
ipnet := &net.IPNet{tsaddr.Tailscale4To6Placeholder().AsSlice(), net.CIDRMask(128, 128)}
|
|
|
|
ip := tsaddr.Tailscale4To6Placeholder()
|
|
|
|
addresses = append(addresses, ipnet)
|
|
|
|
addresses = append(addresses, netip.PrefixFrom(ip, ip.BitLen()))
|
|
|
|
firstGateway6 = &ipnet.IP
|
|
|
|
firstGateway6 = ip
|
|
|
|
} else if route.Addr().Is4() && firstGateway4 == nil {
|
|
|
|
} else if route.Addr().Is4() && !firstGateway4.IsValid() {
|
|
|
|
// TODO: do same dummy behavior as v6?
|
|
|
|
// TODO: do same dummy behavior as v6?
|
|
|
|
return errors.New("due to a Windows limitation, one cannot have interface routes without an interface address")
|
|
|
|
return errors.New("due to a Windows limitation, one cannot have interface routes without an interface address")
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
ipn := netipx.PrefixIPNet(route)
|
|
|
|
var gateway netip.Addr
|
|
|
|
var gateway net.IP
|
|
|
|
|
|
|
|
if route.Addr().Is4() {
|
|
|
|
if route.Addr().Is4() {
|
|
|
|
gateway = *firstGateway4
|
|
|
|
gateway = firstGateway4
|
|
|
|
} else if route.Addr().Is6() {
|
|
|
|
} else if route.Addr().Is6() {
|
|
|
|
gateway = *firstGateway6
|
|
|
|
gateway = firstGateway6
|
|
|
|
}
|
|
|
|
}
|
|
|
|
r := winipcfg.RouteData{
|
|
|
|
r := &winipcfg.RouteData{
|
|
|
|
Destination: net.IPNet{
|
|
|
|
Destination: route,
|
|
|
|
IP: ipn.IP.Mask(ipn.Mask),
|
|
|
|
NextHop: gateway,
|
|
|
|
Mask: ipn.Mask,
|
|
|
|
Metric: 0,
|
|
|
|
},
|
|
|
|
|
|
|
|
NextHop: gateway,
|
|
|
|
|
|
|
|
Metric: 0,
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if net.IP.Equal(r.Destination.IP, gateway) {
|
|
|
|
if r.Destination.Addr().Unmap() == gateway {
|
|
|
|
// no need to add a route for the interface's
|
|
|
|
// no need to add a route for the interface's
|
|
|
|
// own IP. The kernel does that for us.
|
|
|
|
// own IP. The kernel does that for us.
|
|
|
|
// If we try to replace it, we'll fail to
|
|
|
|
// If we try to replace it, we'll fail to
|
|
|
|
@ -393,12 +386,12 @@ func configureInterface(cfg *Config, tun *tun.NativeTun) (retErr error) {
|
|
|
|
if route.Bits() == 0 {
|
|
|
|
if route.Bits() == 0 {
|
|
|
|
foundDefault4 = true
|
|
|
|
foundDefault4 = true
|
|
|
|
}
|
|
|
|
}
|
|
|
|
r.NextHop = *firstGateway4
|
|
|
|
r.NextHop = firstGateway4
|
|
|
|
} else if route.Addr().Is6() {
|
|
|
|
} else if route.Addr().Is6() {
|
|
|
|
if route.Bits() == 0 {
|
|
|
|
if route.Bits() == 0 {
|
|
|
|
foundDefault6 = true
|
|
|
|
foundDefault6 = true
|
|
|
|
}
|
|
|
|
}
|
|
|
|
r.NextHop = *firstGateway6
|
|
|
|
r.NextHop = firstGateway6
|
|
|
|
}
|
|
|
|
}
|
|
|
|
routes = append(routes, r)
|
|
|
|
routes = append(routes, r)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
@ -408,18 +401,16 @@ func configureInterface(cfg *Config, tun *tun.NativeTun) (retErr error) {
|
|
|
|
return fmt.Errorf("syncAddresses: %w", err)
|
|
|
|
return fmt.Errorf("syncAddresses: %w", err)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
sort.Slice(routes, func(i, j int) bool { return routeLess(&routes[i], &routes[j]) })
|
|
|
|
slices.SortFunc(routes, routeDataLess)
|
|
|
|
|
|
|
|
|
|
|
|
deduplicatedRoutes := []*winipcfg.RouteData{}
|
|
|
|
deduplicatedRoutes := []*winipcfg.RouteData{}
|
|
|
|
for i := 0; i < len(routes); i++ {
|
|
|
|
for i := 0; i < len(routes); i++ {
|
|
|
|
// There's only one way to get to a given IP+Mask, so delete
|
|
|
|
// There's only one way to get to a given IP+Mask, so delete
|
|
|
|
// all matches after the first.
|
|
|
|
// all matches after the first.
|
|
|
|
if i > 0 &&
|
|
|
|
if i > 0 && routes[i].Destination == routes[i-1].Destination {
|
|
|
|
net.IP.Equal(routes[i].Destination.IP, routes[i-1].Destination.IP) &&
|
|
|
|
|
|
|
|
bytes.Equal(routes[i].Destination.Mask, routes[i-1].Destination.Mask) {
|
|
|
|
|
|
|
|
continue
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
}
|
|
|
|
deduplicatedRoutes = append(deduplicatedRoutes, &routes[i])
|
|
|
|
deduplicatedRoutes = append(deduplicatedRoutes, routes[i])
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Re-read interface after syncAddresses.
|
|
|
|
// Re-read interface after syncAddresses.
|
|
|
|
@ -484,28 +475,6 @@ func configureInterface(cfg *Config, tun *tun.NativeTun) (retErr error) {
|
|
|
|
return errAcc
|
|
|
|
return errAcc
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// routeLess reports whether ri should sort before rj.
|
|
|
|
|
|
|
|
// The actual sort order doesn't appear to matter. The caller just
|
|
|
|
|
|
|
|
// wants them sorted to be able to de-dup.
|
|
|
|
|
|
|
|
func routeLess(ri, rj *winipcfg.RouteData) bool {
|
|
|
|
|
|
|
|
if v := bytes.Compare(ri.Destination.IP, rj.Destination.IP); v != 0 {
|
|
|
|
|
|
|
|
return v == -1
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
if v := bytes.Compare(ri.Destination.Mask, rj.Destination.Mask); v != 0 {
|
|
|
|
|
|
|
|
// Narrower masks first
|
|
|
|
|
|
|
|
return v == 1
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
if ri.Metric != rj.Metric {
|
|
|
|
|
|
|
|
// Lower metrics first
|
|
|
|
|
|
|
|
return ri.Metric < rj.Metric
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
if v := bytes.Compare(ri.NextHop, rj.NextHop); v != 0 {
|
|
|
|
|
|
|
|
// No nexthop before non-empty nexthop.
|
|
|
|
|
|
|
|
return v == -1
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
return false
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// unwrapIP returns the shortest version of ip.
|
|
|
|
// unwrapIP returns the shortest version of ip.
|
|
|
|
func unwrapIP(ip net.IP) net.IP {
|
|
|
|
func unwrapIP(ip net.IP) net.IP {
|
|
|
|
if ip4 := ip.To4(); ip4 != nil {
|
|
|
|
if ip4 := ip.To4(); ip4 != nil {
|
|
|
|
@ -521,40 +490,40 @@ func v4Mask(m net.IPMask) net.IPMask {
|
|
|
|
return m
|
|
|
|
return m
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
func netCompare(a, b net.IPNet) int {
|
|
|
|
func netCompare(a, b netip.Prefix) int {
|
|
|
|
aip, bip := unwrapIP(a.IP), unwrapIP(b.IP)
|
|
|
|
aip, bip := a.Addr().Unmap(), b.Addr().Unmap()
|
|
|
|
v := bytes.Compare(aip, bip)
|
|
|
|
v := aip.Compare(bip)
|
|
|
|
if v != 0 {
|
|
|
|
if v != 0 {
|
|
|
|
return v
|
|
|
|
return v
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
amask, bmask := a.Mask, b.Mask
|
|
|
|
if a.Bits() == b.Bits() {
|
|
|
|
if len(aip) == 4 {
|
|
|
|
return 0
|
|
|
|
amask = v4Mask(a.Mask)
|
|
|
|
|
|
|
|
bmask = v4Mask(b.Mask)
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// narrower first
|
|
|
|
// narrower first
|
|
|
|
return -bytes.Compare(amask, bmask)
|
|
|
|
if a.Bits() > b.Bits() {
|
|
|
|
|
|
|
|
return -1
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
return 1
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
func sortNets(a []*net.IPNet) {
|
|
|
|
func sortNets(s []netip.Prefix) {
|
|
|
|
sort.Slice(a, func(i, j int) bool {
|
|
|
|
sort.Slice(s, func(i, j int) bool {
|
|
|
|
return netCompare(*a[i], *a[j]) == -1
|
|
|
|
return netCompare(s[i], s[j]) == -1
|
|
|
|
})
|
|
|
|
})
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// deltaNets returns the changes to turn a into b.
|
|
|
|
// deltaNets returns the changes to turn a into b.
|
|
|
|
func deltaNets(a, b []*net.IPNet) (add, del []*net.IPNet) {
|
|
|
|
func deltaNets(a, b []netip.Prefix) (add, del []netip.Prefix) {
|
|
|
|
add = make([]*net.IPNet, 0, len(b))
|
|
|
|
add = make([]netip.Prefix, 0, len(b))
|
|
|
|
del = make([]*net.IPNet, 0, len(a))
|
|
|
|
del = make([]netip.Prefix, 0, len(a))
|
|
|
|
sortNets(a)
|
|
|
|
sortNets(a)
|
|
|
|
sortNets(b)
|
|
|
|
sortNets(b)
|
|
|
|
|
|
|
|
|
|
|
|
i := 0
|
|
|
|
i := 0
|
|
|
|
j := 0
|
|
|
|
j := 0
|
|
|
|
for i < len(a) && j < len(b) {
|
|
|
|
for i < len(a) && j < len(b) {
|
|
|
|
switch netCompare(*a[i], *b[j]) {
|
|
|
|
switch netCompare(a[i], b[j]) {
|
|
|
|
case -1:
|
|
|
|
case -1:
|
|
|
|
// a < b, delete
|
|
|
|
// a < b, delete
|
|
|
|
del = append(del, a[i])
|
|
|
|
del = append(del, a[i])
|
|
|
|
@ -576,28 +545,21 @@ func deltaNets(a, b []*net.IPNet) (add, del []*net.IPNet) {
|
|
|
|
return
|
|
|
|
return
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
func isIPv6LinkLocal(in *net.IPNet) bool {
|
|
|
|
func isIPv6LinkLocal(a netip.Prefix) bool {
|
|
|
|
return len(in.IP) == 16 && in.IP.IsLinkLocalUnicast()
|
|
|
|
return a.Addr().Is6() && a.Addr().IsLinkLocalUnicast()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// ipAdapterUnicastAddressToIPNet converts windows.IpAdapterUnicastAddress to net.IPNet.
|
|
|
|
// ipAdapterUnicastAddressToPrefix converts windows.IpAdapterUnicastAddress to netip.Prefix
|
|
|
|
func ipAdapterUnicastAddressToIPNet(u *windows.IpAdapterUnicastAddress) *net.IPNet {
|
|
|
|
func ipAdapterUnicastAddressToPrefix(u *windows.IpAdapterUnicastAddress) netip.Prefix {
|
|
|
|
ip := u.Address.IP()
|
|
|
|
ip, _ := netip.AddrFromSlice(u.Address.IP())
|
|
|
|
w := 32
|
|
|
|
return netip.PrefixFrom(ip.Unmap(), int(u.OnLinkPrefixLength))
|
|
|
|
if ip.To4() == nil {
|
|
|
|
|
|
|
|
w = 128
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
return &net.IPNet{
|
|
|
|
|
|
|
|
IP: ip,
|
|
|
|
|
|
|
|
Mask: net.CIDRMask(int(u.OnLinkPrefixLength), w),
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// unicastIPNets returns all unicast net.IPNet for ifc interface.
|
|
|
|
// unicastIPNets returns all unicast net.IPNet for ifc interface.
|
|
|
|
func unicastIPNets(ifc *winipcfg.IPAdapterAddresses) []*net.IPNet {
|
|
|
|
func unicastIPNets(ifc *winipcfg.IPAdapterAddresses) []netip.Prefix {
|
|
|
|
nets := make([]*net.IPNet, 0)
|
|
|
|
var nets []netip.Prefix
|
|
|
|
for addr := ifc.FirstUnicastAddress; addr != nil; addr = addr.Next {
|
|
|
|
for addr := ifc.FirstUnicastAddress; addr != nil; addr = addr.Next {
|
|
|
|
nets = append(nets, ipAdapterUnicastAddressToIPNet(addr))
|
|
|
|
nets = append(nets, ipAdapterUnicastAddressToPrefix(addr))
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return nets
|
|
|
|
return nets
|
|
|
|
}
|
|
|
|
}
|
|
|
|
@ -612,13 +574,13 @@ func unicastIPNets(ifc *winipcfg.IPAdapterAddresses) []*net.IPNet {
|
|
|
|
// DNS locally or remotely and from being picked as a source address for
|
|
|
|
// DNS locally or remotely and from being picked as a source address for
|
|
|
|
// outgoing packets with unspecified sources. See #4647 and
|
|
|
|
// outgoing packets with unspecified sources. See #4647 and
|
|
|
|
// https://web.archive.org/web/20200912120956/https://devblogs.microsoft.com/scripting/use-powershell-to-change-ip-behavior-with-skipassource/
|
|
|
|
// https://web.archive.org/web/20200912120956/https://devblogs.microsoft.com/scripting/use-powershell-to-change-ip-behavior-with-skipassource/
|
|
|
|
func syncAddresses(ifc *winipcfg.IPAdapterAddresses, want []*net.IPNet) error {
|
|
|
|
func syncAddresses(ifc *winipcfg.IPAdapterAddresses, want []netip.Prefix) error {
|
|
|
|
var erracc error
|
|
|
|
var erracc error
|
|
|
|
|
|
|
|
|
|
|
|
got := unicastIPNets(ifc)
|
|
|
|
got := unicastIPNets(ifc)
|
|
|
|
add, del := deltaNets(got, want)
|
|
|
|
add, del := deltaNets(got, want)
|
|
|
|
|
|
|
|
|
|
|
|
ll := make([]*net.IPNet, 0)
|
|
|
|
ll := make([]netip.Prefix, 0)
|
|
|
|
for _, a := range del {
|
|
|
|
for _, a := range del {
|
|
|
|
// do not delete link-local addresses, and collect them for later
|
|
|
|
// do not delete link-local addresses, and collect them for later
|
|
|
|
// applying SkipAsSource.
|
|
|
|
// applying SkipAsSource.
|
|
|
|
@ -627,29 +589,29 @@ func syncAddresses(ifc *winipcfg.IPAdapterAddresses, want []*net.IPNet) error {
|
|
|
|
continue
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
err := ifc.LUID.DeleteIPAddress(*a)
|
|
|
|
err := ifc.LUID.DeleteIPAddress(a)
|
|
|
|
if err != nil {
|
|
|
|
if err != nil {
|
|
|
|
erracc = fmt.Errorf("deleting IP %q: %w", *a, err)
|
|
|
|
erracc = fmt.Errorf("deleting IP %q: %w", a, err)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
for _, a := range add {
|
|
|
|
for _, a := range add {
|
|
|
|
err := ifc.LUID.AddIPAddress(*a)
|
|
|
|
err := ifc.LUID.AddIPAddress(a)
|
|
|
|
if err != nil {
|
|
|
|
if err != nil {
|
|
|
|
erracc = fmt.Errorf("adding IP %q: %w", *a, err)
|
|
|
|
erracc = fmt.Errorf("adding IP %q: %w", a, err)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
for _, a := range ll {
|
|
|
|
for _, a := range ll {
|
|
|
|
mib, err := ifc.LUID.IPAddress(a.IP)
|
|
|
|
mib, err := ifc.LUID.IPAddress(a.Addr())
|
|
|
|
if err != nil {
|
|
|
|
if err != nil {
|
|
|
|
erracc = fmt.Errorf("setting skip-as-source on IP %q: unable to retrieve MIB: %w", *a, err)
|
|
|
|
erracc = fmt.Errorf("setting skip-as-source on IP %q: unable to retrieve MIB: %w", a, err)
|
|
|
|
continue
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if !mib.SkipAsSource {
|
|
|
|
if !mib.SkipAsSource {
|
|
|
|
mib.SkipAsSource = true
|
|
|
|
mib.SkipAsSource = true
|
|
|
|
if err := mib.Set(); err != nil {
|
|
|
|
if err := mib.Set(); err != nil {
|
|
|
|
erracc = fmt.Errorf("setting skip-as-source on IP %q: unable to set MIB: %w", *a, err)
|
|
|
|
erracc = fmt.Errorf("setting skip-as-source on IP %q: unable to set MIB: %w", a, err)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
@ -657,20 +619,27 @@ func syncAddresses(ifc *winipcfg.IPAdapterAddresses, want []*net.IPNet) error {
|
|
|
|
return erracc
|
|
|
|
return erracc
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
func routeDataLess(a, b *winipcfg.RouteData) bool {
|
|
|
|
|
|
|
|
return routeDataCompare(a, b) < 0
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
func routeDataCompare(a, b *winipcfg.RouteData) int {
|
|
|
|
func routeDataCompare(a, b *winipcfg.RouteData) int {
|
|
|
|
v := bytes.Compare(a.Destination.IP, b.Destination.IP)
|
|
|
|
v := a.Destination.Addr().Compare(b.Destination.Addr())
|
|
|
|
if v != 0 {
|
|
|
|
if v != 0 {
|
|
|
|
return v
|
|
|
|
return v
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Narrower masks first
|
|
|
|
// Narrower masks first
|
|
|
|
v = bytes.Compare(a.Destination.Mask, b.Destination.Mask)
|
|
|
|
b1, b2 := a.Destination.Bits(), b.Destination.Bits()
|
|
|
|
if v != 0 {
|
|
|
|
if b1 != b2 {
|
|
|
|
return -v
|
|
|
|
if b1 > b2 {
|
|
|
|
|
|
|
|
return -1
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
return 1
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// No nexthop before non-empty nexthop
|
|
|
|
// No nexthop before non-empty nexthop
|
|
|
|
v = bytes.Compare(a.NextHop, b.NextHop)
|
|
|
|
v = a.NextHop.Compare(b.NextHop)
|
|
|
|
if v != 0 {
|
|
|
|
if v != 0 {
|
|
|
|
return v
|
|
|
|
return v
|
|
|
|
}
|
|
|
|
}
|
|
|
|
@ -685,17 +654,11 @@ func routeDataCompare(a, b *winipcfg.RouteData) int {
|
|
|
|
return 0
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
func sortRouteData(a []*winipcfg.RouteData) {
|
|
|
|
|
|
|
|
sort.Slice(a, func(i, j int) bool {
|
|
|
|
|
|
|
|
return routeDataCompare(a[i], a[j]) < 0
|
|
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
func deltaRouteData(a, b []*winipcfg.RouteData) (add, del []*winipcfg.RouteData) {
|
|
|
|
func deltaRouteData(a, b []*winipcfg.RouteData) (add, del []*winipcfg.RouteData) {
|
|
|
|
add = make([]*winipcfg.RouteData, 0, len(b))
|
|
|
|
add = make([]*winipcfg.RouteData, 0, len(b))
|
|
|
|
del = make([]*winipcfg.RouteData, 0, len(a))
|
|
|
|
del = make([]*winipcfg.RouteData, 0, len(a))
|
|
|
|
sortRouteData(a)
|
|
|
|
slices.SortFunc(a, routeDataLess)
|
|
|
|
sortRouteData(b)
|
|
|
|
slices.SortFunc(b, routeDataLess)
|
|
|
|
|
|
|
|
|
|
|
|
i := 0
|
|
|
|
i := 0
|
|
|
|
j := 0
|
|
|
|
j := 0
|
|
|
|
@ -751,15 +714,15 @@ func getAllInterfaceRoutes(ifc *winipcfg.IPAdapterAddresses) ([]*winipcfg.RouteD
|
|
|
|
rd := make([]*winipcfg.RouteData, 0, len(routes4)+len(routes6))
|
|
|
|
rd := make([]*winipcfg.RouteData, 0, len(routes4)+len(routes6))
|
|
|
|
for _, r := range routes4 {
|
|
|
|
for _, r := range routes4 {
|
|
|
|
rd = append(rd, &winipcfg.RouteData{
|
|
|
|
rd = append(rd, &winipcfg.RouteData{
|
|
|
|
Destination: r.DestinationPrefix.IPNet(),
|
|
|
|
Destination: r.DestinationPrefix.Prefix(),
|
|
|
|
NextHop: r.NextHop.IP(),
|
|
|
|
NextHop: r.NextHop.Addr(),
|
|
|
|
Metric: r.Metric,
|
|
|
|
Metric: r.Metric,
|
|
|
|
})
|
|
|
|
})
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for _, r := range routes6 {
|
|
|
|
for _, r := range routes6 {
|
|
|
|
rd = append(rd, &winipcfg.RouteData{
|
|
|
|
rd = append(rd, &winipcfg.RouteData{
|
|
|
|
Destination: r.DestinationPrefix.IPNet(),
|
|
|
|
Destination: r.DestinationPrefix.Prefix(),
|
|
|
|
NextHop: r.NextHop.IP(),
|
|
|
|
NextHop: r.NextHop.Addr(),
|
|
|
|
Metric: r.Metric,
|
|
|
|
Metric: r.Metric,
|
|
|
|
})
|
|
|
|
})
|
|
|
|
}
|
|
|
|
}
|
|
|
|
@ -777,8 +740,8 @@ func filterRoutes(routes []*winipcfg.RouteData, dontDelete []netip.Prefix) []*wi
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for _, r := range routes {
|
|
|
|
for _, r := range routes {
|
|
|
|
// We don't want to touch broadcast routes that Windows adds.
|
|
|
|
// We don't want to touch broadcast routes that Windows adds.
|
|
|
|
nr, ok := netaddr.FromStdIPNet(&r.Destination)
|
|
|
|
nr := r.Destination
|
|
|
|
if !ok {
|
|
|
|
if !nr.IsValid() {
|
|
|
|
continue
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if nr.IsSingleIP() {
|
|
|
|
if nr.IsSingleIP() {
|
|
|
|
@ -789,8 +752,8 @@ func filterRoutes(routes []*winipcfg.RouteData, dontDelete []netip.Prefix) []*wi
|
|
|
|
}
|
|
|
|
}
|
|
|
|
filtered := make([]*winipcfg.RouteData, 0, len(routes))
|
|
|
|
filtered := make([]*winipcfg.RouteData, 0, len(routes))
|
|
|
|
for _, r := range routes {
|
|
|
|
for _, r := range routes {
|
|
|
|
rr, ok := netaddr.FromStdIPNet(&r.Destination)
|
|
|
|
rr := r.Destination
|
|
|
|
if ok && ddm[rr] {
|
|
|
|
if rr.IsValid() && ddm[rr] {
|
|
|
|
continue
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
}
|
|
|
|
filtered = append(filtered, r)
|
|
|
|
filtered = append(filtered, r)
|
|
|
|
|
Brad Fitzpatrick
2 years ago
committed by