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feat: dns routing (#26)

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This commit is contained in:
mzz
2023-02-25 02:38:21 +08:00
committed by GitHub
parent 33ad434f8a
commit 8bd6a77398
48 changed files with 2758 additions and 1449 deletions
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28
control/utils.go
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@ -19,6 +19,32 @@ import (
"syscall"
)
func (c *ControlPlane) Route(src, dst netip.AddrPort, domain string, l4proto consts.L4ProtoType, routingResult *bpfRoutingResult) (outboundIndex consts.OutboundIndex, mark uint32, err error) {
var ipVersion consts.IpVersionType
if dst.Addr().Is4() || dst.Addr().Is4In6() {
ipVersion = consts.IpVersion_4
} else {
ipVersion = consts.IpVersion_6
}
bSrc := src.Addr().As16()
bDst := dst.Addr().As16()
if outboundIndex, mark, err = c.routingMatcher.Match(
bSrc[:],
bDst[:],
src.Port(),
dst.Port(),
ipVersion,
l4proto,
domain,
routingResult.Pname,
append([]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, routingResult.Mac[:]...),
); err != nil {
return 0, 0, err
}
return outboundIndex, mark, nil
}
func (c *ControlPlaneCore) RetrieveRoutingResult(src, dst netip.AddrPort, l4proto uint8) (result *bpfRoutingResult, err error) {
srcIp6 := src.Addr().As16()
dstIp6 := dst.Addr().As16()
@ -79,7 +105,7 @@ func CheckIpforward(ifname string) error {
return nil
}
func GetNetwork(network string, mark uint32) string {
func MagicNetwork(network string, mark uint32) string {
if mark == 0 {
return network
} else {