soypat/lneto
1
0
Fork 0
mirror of https://github.com/soypat/lneto.git synced 2026-08-21 06:59:04 +00:00
Code Issues Packages Projects Releases 1 Wiki Activity

DNS resolution working butter smooth

Browse Source
This commit is contained in:
soypat
2025-07-12 12:54:34 -03:00
parent 68c4d1ea71
commit 698610242e
5 changed files with 66 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files
dns/client.go
+6 -6
View File
@@ -65,12 +65,12 @@ func (c *Client) Encapsulate(carrierData []byte, frameOffset int) (int, error) {
}
c.state = dnsAwaitResponse
// Unset don't frag since DNS requests go through LOTS of nodes.
if frameOffset >= 28 {
version := carrierData[0] >> 4
if version == 4 {
carrierData[6], carrierData[7] = 0, 0 // unset IP Flags.
}
}
// if frameOffset >= 28 {
// version := carrierData[0] >> 4
// if version == 4 {
// carrierData[6], carrierData[7] = 0, 0 // unset IP Flags.
// }
// }
return len(data), nil
}
dns/dns.go
+2 -2
View File
@@ -626,10 +626,10 @@ func (dst *Message) CopyFrom(m Message) {
for i := range dst.Answers {
dst.Answers[i].CopyFrom(m.Answers[i])
}
for i := range dst.Answers {
for i := range dst.Authorities {
dst.Authorities[i].CopyFrom(m.Authorities[i])
}
for i := range dst.Answers {
for i := range dst.Additionals {
dst.Additionals[i].CopyFrom(m.Additionals[i])
}
}
dns/dns_test.go
+15
View File
@@ -221,3 +221,18 @@ func (m *Message) String() string {
}
return s
}
func TestDecodeMessage(t *testing.T) {
var data = []byte{
0x84, 0x05, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x0b, 0x77, 0x68, 0x69,
0x74, 0x74, 0x69, 0x6c, 0x65, 0x61, 0x6b, 0x73, 0x03, 0x63, 0x6f, 0x6d, 0x00, 0x00, 0x01, 0x00,
0x01, 0xc0, 0x0c, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x1e, 0xaf, 0x00, 0x04, 0xc6, 0x31, 0x17,
0x91, 0x00, 0x00, 0x29, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
}
var msg Message
msg.LimitResourceDecoding(5, 5, 5, 5)
off, incomplete, err := msg.Decode(data)
if incomplete || err != nil {
t.Fatal(incomplete, err, off)
}
}