chore: update dependencies and optimize some code style

dns/message.go

@@ -210,10 +210,11 @@ func (h *Header) SetAncount(ancount int) {
 	h.ANCOUNT = uint16(ancount)
 }
 
-func (h *Header) setFlag(QR uint16, Opcode uint16, AA uint16,
-	TC uint16, RD uint16, RA uint16, RCODE uint16) {
-	h.Bits = QR<<15 + Opcode<<11 + AA<<10 + TC<<9 + RD<<8 + RA<<7 + RCODE
-}
+// Not used now, but keep it for future use.
+// func (h *Header) setFlag(QR uint16, Opcode uint16, AA uint16,
+// 	TC uint16, RD uint16, RA uint16, RCODE uint16) {
+// 	h.Bits = QR<<15 + Opcode<<11 + AA<<10 + TC<<9 + RD<<8 + RA<<7 + RCODE
+// }
 
 // MarshalTo marshals header struct to []byte and write to w.
 func (h *Header) MarshalTo(w io.Writer) (int, error) {

go.mod

@@ -11,13 +11,13 @@ require (
 	github.com/nadoo/conflag v0.3.1
 	github.com/nadoo/ipset v0.5.0
 	github.com/xtaci/kcp-go/v5 v5.6.18
-	golang.org/x/crypto v0.34.0
+	golang.org/x/crypto v0.35.0
 	golang.org/x/sys v0.30.0
 )
 
 require (
 	github.com/ebfe/rc2 v0.0.0-20131011165748-24b9757f5521 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.9 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.10 // indirect
 	github.com/klauspost/reedsolomon v1.12.4 // indirect
 	github.com/pierrec/lz4/v4 v4.1.22 // indirect
 	github.com/pkg/errors v0.9.1 // indirect

go.sum

@@ -37,8 +37,8 @@ github.com/insomniacslk/dhcp v0.0.0-20250109001534-8abf58130905 h1:q3OEI9RaN/wwc
 github.com/insomniacslk/dhcp v0.0.0-20250109001534-8abf58130905/go.mod h1:VvGYjkZoJyKqlmT1yzakUs4mfKMNB0XdODP0+rdml6k=
 github.com/josharian/native v1.1.0 h1:uuaP0hAbW7Y4l0ZRQ6C9zfb7Mg1mbFKry/xzDAfmtLA=
 github.com/josharian/native v1.1.0/go.mod h1:7X/raswPFr05uY3HiLlYeyQntB6OO7E/d2Cu7qoaN2w=
-github.com/klauspost/cpuid/v2 v2.2.9 h1:66ze0taIn2H33fBvCkXuv9BmCwDfafmiIVpKV9kKGuY=
-github.com/klauspost/cpuid/v2 v2.2.9/go.mod h1:rqkxqrZ1EhYM9G+hXH7YdowN5R5RGN6NK4QwQ3WMXF8=
+github.com/klauspost/cpuid/v2 v2.2.10 h1:tBs3QSyvjDyFTq3uoc/9xFpCuOsJQFNPiAhYdw2skhE=
+github.com/klauspost/cpuid/v2 v2.2.10/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
 github.com/klauspost/reedsolomon v1.12.4 h1:5aDr3ZGoJbgu/8+j45KtUJxzYm8k08JGtB9Wx1VQ4OA=
 github.com/klauspost/reedsolomon v1.12.4/go.mod h1:d3CzOMOt0JXGIFZm1StgkyF14EYr3xneR2rNWo7NcMU=
 github.com/mdlayher/packet v1.1.2 h1:3Up1NG6LZrsgDVn6X4L9Ge/iyRyxFEFD9o6Pr3Q1nQY=
@@ -73,8 +73,8 @@ github.com/xtaci/lossyconn v0.0.0-20190602105132-8df528c0c9ae/go.mod h1:gXtu8J62
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201012173705-84dcc777aaee/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.34.0 h1:+/C6tk6rf/+t5DhUketUbD1aNGqiSX3j15Z6xuIDlBA=
-golang.org/x/crypto v0.34.0/go.mod h1:dy7dXNW32cAb/6/PRuTNsix8T+vJAqvuIy5Bli/x0YQ=
+golang.org/x/crypto v0.35.0 h1:b15kiHdrGCHrP6LvwaQ3c03kgNhhiMgvlhxHQhmg2Xs=
+golang.org/x/crypto v0.35.0/go.mod h1:dy7dXNW32cAb/6/PRuTNsix8T+vJAqvuIy5Bli/x0YQ=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=

pkg/smux/frame.go

@@ -1,3 +1,25 @@
+// MIT License
+//
+// Copyright (c) 2016-2017 xtaci
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
 package smux
 
 import (
@@ -38,16 +60,18 @@ const (
 
 // Frame defines a packet from or to be multiplexed into a single connection
 type Frame struct {
-	ver  byte
-	cmd  byte
-	sid  uint32
-	data []byte
+	ver  byte   // version
+	cmd  byte   // command
+	sid  uint32 // stream id
+	data []byte // payload
 }
 
+// newFrame creates a new frame with given version, command and stream id
 func newFrame(version byte, cmd byte, sid uint32) Frame {
 	return Frame{ver: version, cmd: cmd, sid: sid}
 }
 
+// rawHeader is a byte array representation of Frame header
 type rawHeader [headerSize]byte
 
 func (h rawHeader) Version() byte {
@@ -71,6 +95,7 @@ func (h rawHeader) String() string {
 		h.Version(), h.Cmd(), h.StreamID(), h.Length())
 }
 
+// updHeader is a byte array representation of cmdUPD
 type updHeader [szCmdUPD]byte
 
 func (h updHeader) Consumed() uint32 {

pkg/smux/mux.go

@@ -1,7 +1,25 @@
-// Package smux is a multiplexing library for Golang.
+// MIT License
 //
-// It relies on an underlying connection to provide reliability and ordering, such as TCP or KCP,
-// and provides stream-oriented multiplexing over a single channel.
+// Copyright (c) 2016-2017 xtaci
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
 package smux
 
 import (