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Improve QUIC sniffer

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This commit is contained in:
世界
2024-07-07 15:45:50 +08:00
parent 3a7acaa92a
commit 9dc3bb975a
30 changed files with 1014 additions and 241 deletions
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11
common/sniff/stun.go
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@@ -9,16 +9,17 @@ import (
C "github.com/sagernet/sing-box/constant"
)
func STUNMessage(ctx context.Context, packet []byte) (*adapter.InboundContext, error) {
func STUNMessage(_ context.Context, metadata *adapter.InboundContext, packet []byte) error {
pLen := len(packet)
if pLen < 20 {
return nil, os.ErrInvalid
return os.ErrInvalid
}
if binary.BigEndian.Uint32(packet[4:8]) != 0x2112A442 {
return nil, os.ErrInvalid
return os.ErrInvalid
}
if len(packet) < 20+int(binary.BigEndian.Uint16(packet[2:4])) {
return nil, os.ErrInvalid
return os.ErrInvalid
}
return &adapter.InboundContext{Protocol: C.ProtocolSTUN}, nil
metadata.Protocol = C.ProtocolSTUN
return nil
}