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Switch most everything to netip in prep for ipv6 in the overlay (#1173)

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This commit is contained in:
Nate Brown
2024-07-31 10:18:56 -05:00
committed by GitHub
parent 00458302ca
commit e264a0ff88
79 changed files with 1900 additions and 2682 deletions
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19
overlay/tun_ios.go
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@@ -7,32 +7,31 @@ import (
"errors"
"fmt"
"io"
"net"
"net/netip"
"os"
"sync"
"sync/atomic"
"syscall"
"github.com/gaissmai/bart"
"github.com/sirupsen/logrus"
"github.com/slackhq/nebula/cidr"
"github.com/slackhq/nebula/config"
"github.com/slackhq/nebula/iputil"
"github.com/slackhq/nebula/util"
)
type tun struct {
io.ReadWriteCloser
cidr *net.IPNet
cidr netip.Prefix
Routes atomic.Pointer[[]Route]
routeTree atomic.Pointer[cidr.Tree4[iputil.VpnIp]]
routeTree atomic.Pointer[bart.Table[netip.Addr]]
l *logrus.Logger
}
func newTun(_ *config.C, _ *logrus.Logger, _ *net.IPNet, _ bool) (*tun, error) {
func newTun(_ *config.C, _ *logrus.Logger, _ netip.Prefix, _ bool) (*tun, error) {
return nil, fmt.Errorf("newTun not supported in iOS")
}
func newTunFromFd(c *config.C, l *logrus.Logger, deviceFd int, cidr *net.IPNet) (*tun, error) {
func newTunFromFd(c *config.C, l *logrus.Logger, deviceFd int, cidr netip.Prefix) (*tun, error) {
file := os.NewFile(uintptr(deviceFd), "/dev/tun")
t := &tun{
cidr: cidr,
@@ -80,8 +79,8 @@ func (t *tun) reload(c *config.C, initial bool) error {
return nil
}
func (t *tun) RouteFor(ip iputil.VpnIp) iputil.VpnIp {
_, r := t.routeTree.Load().MostSpecificContains(ip)
func (t *tun) RouteFor(ip netip.Addr) netip.Addr {
r, _ := t.routeTree.Load().Lookup(ip)
return r
}
@@ -143,7 +142,7 @@ func (tr *tunReadCloser) Close() error {
return tr.f.Close()
}
func (t *tun) Cidr() *net.IPNet {
func (t *tun) Cidr() netip.Prefix {
return t.cidr
}