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Use fake address instead of wireguard address

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This commit is contained in:
Zoltan Papp
2023-08-17 08:36:11 +02:00
parent 1c84d6b3b6
commit 98f3012fb3
8 changed files with 45 additions and 15 deletions
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16
client/internal/ebpf/dns_fwd_linux.go
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@@ -10,12 +10,13 @@ import (
)
const (
mapKeyDNSIP uint32 = 0
mapKeyDNSPort uint32 = 1
mapKeyFakeIP uint32 = 0
mapKeyDNSIP uint32 = 1
mapKeyDNSPort uint32 = 2
)
func (tf *GeneralManager) LoadDNSFwd(ip string, dnsPort int) error {
log.Debugf("load ebpf DNS forwarder: address: %s:%d", ip, dnsPort)
func (tf *GeneralManager) LoadDNSFwd(fakeIp, dnsIp string, dnsPort int) error {
log.Debugf("load ebpf DNS forwarder: address: %s:%d", dnsIp, dnsPort)
tf.lock.Lock()
defer tf.lock.Unlock()
@@ -24,7 +25,12 @@ func (tf *GeneralManager) LoadDNSFwd(ip string, dnsPort int) error {
return err
}
err = tf.bpfObjs.NbMapDnsIp.Put(mapKeyDNSIP, ip2int(ip))
err = tf.bpfObjs.NbMapDnsIp.Put(mapKeyFakeIP, ip2int(fakeIp))
if err != nil {
return err
}
err = tf.bpfObjs.NbMapDnsIp.Put(mapKeyDNSIP, ip2int(dnsIp))
if err != nil {
return err
}