mirror of
https://github.com/XTLS/Xray-core.git
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UDP noises: Add base64 and multi-packet support (#3794)
https://github.com/XTLS/Xray-core/pull/3794#issuecomment-2351329251 --------- Co-authored-by: 风扇滑翔翼 <Fangliding.fshxy@outlook.com> Co-authored-by: mmmray <142015632+mmmray@users.noreply.github.com>
This commit is contained in:
parent
b1c6471eeb
commit
363e86c585
@ -1,6 +1,7 @@
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package conf
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package conf
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import (
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import (
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"encoding/base64"
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"net"
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"net"
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"strconv"
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"strconv"
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"strings"
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"strings"
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@ -19,6 +20,7 @@ type FreedomConfig struct {
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UserLevel uint32 `json:"userLevel"`
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UserLevel uint32 `json:"userLevel"`
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Fragment *Fragment `json:"fragment"`
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Fragment *Fragment `json:"fragment"`
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Noise *Noise `json:"noise"`
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Noise *Noise `json:"noise"`
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Noises []*Noise `json:"noises"`
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ProxyProtocol uint32 `json:"proxyProtocol"`
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ProxyProtocol uint32 `json:"proxyProtocol"`
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}
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}
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@ -29,8 +31,9 @@ type Fragment struct {
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}
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}
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type Noise struct {
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type Noise struct {
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Type string `json:"type"`
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Packet string `json:"packet"`
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Packet string `json:"packet"`
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Delay string `json:"delay"`
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Delay *Int32Range `json:"delay"`
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}
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}
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// Build implements Buildable
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// Build implements Buildable
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@ -149,74 +152,18 @@ func (c *FreedomConfig) Build() (proto.Message, error) {
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}
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}
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}
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}
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}
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}
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if c.Noise != nil {
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if c.Noise != nil {
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config.Noise = new(freedom.Noise)
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return nil, errors.PrintRemovedFeatureError("noise = { ... }", "noises = [ { ... } ]")
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var err, err2 error
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p := strings.Split(strings.ToLower(c.Noise.Packet), ":")
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if len(p) != 2 {
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return nil, errors.New("invalid type for packet")
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}
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switch p[0] {
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case "rand":
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randValue := strings.Split(p[1], "-")
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if len(randValue) > 2 {
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return nil, errors.New("Only 2 values are allowed for rand")
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}
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if len(randValue) == 2 {
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config.Noise.LengthMin, err = strconv.ParseUint(randValue[0], 10, 64)
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config.Noise.LengthMax, err2 = strconv.ParseUint(randValue[1], 10, 64)
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}
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if len(randValue) == 1 {
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config.Noise.LengthMin, err = strconv.ParseUint(randValue[0], 10, 64)
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config.Noise.LengthMax = config.Noise.LengthMin
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}
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}
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if c.Noises != nil {
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for _, n := range c.Noises {
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NConfig, err := ParseNoise(n)
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if err != nil {
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if err != nil {
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return nil, errors.New("invalid value for rand LengthMin").Base(err)
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return nil, err
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}
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}
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if err2 != nil {
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config.Noises = append(config.Noises, NConfig)
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return nil, errors.New("invalid value for rand LengthMax").Base(err2)
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}
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if config.Noise.LengthMin > config.Noise.LengthMax {
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config.Noise.LengthMin, config.Noise.LengthMax = config.Noise.LengthMax, config.Noise.LengthMin
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}
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if config.Noise.LengthMin == 0 {
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return nil, errors.New("rand lengthMin or lengthMax cannot be 0")
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}
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case "str":
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//user input string
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config.Noise.StrNoise = strings.TrimSpace(p[1])
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default:
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return nil, errors.New("Invalid packet,only rand and str are supported")
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}
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if c.Noise.Delay != "" {
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d := strings.Split(strings.ToLower(c.Noise.Delay), "-")
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if len(d) > 2 {
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return nil, errors.New("Invalid delay value")
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}
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if len(d) == 2 {
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config.Noise.DelayMin, err = strconv.ParseUint(d[0], 10, 64)
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config.Noise.DelayMax, err2 = strconv.ParseUint(d[1], 10, 64)
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} else {
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config.Noise.DelayMin, err = strconv.ParseUint(d[0], 10, 64)
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config.Noise.DelayMax = config.Noise.DelayMin
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}
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if err != nil {
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return nil, errors.New("Invalid value for DelayMin").Base(err)
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}
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if err2 != nil {
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return nil, errors.New("Invalid value for DelayMax").Base(err2)
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}
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if config.Noise.DelayMin > config.Noise.DelayMax {
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config.Noise.DelayMin, config.Noise.DelayMax = config.Noise.DelayMax, config.Noise.DelayMin
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}
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if config.Noise.DelayMin == 0 {
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return nil, errors.New("DelayMin or DelayMax cannot be 0")
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}
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} else {
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config.Noise.DelayMin = 0
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}
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}
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}
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}
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@ -248,3 +195,67 @@ func (c *FreedomConfig) Build() (proto.Message, error) {
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}
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}
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return config, nil
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return config, nil
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}
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}
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func ParseNoise(noise *Noise) (*freedom.Noise, error) {
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var err, err2 error
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NConfig := new(freedom.Noise)
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switch strings.ToLower(noise.Type) {
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case "rand":
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randValue := strings.Split(noise.Packet, "-")
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if len(randValue) > 2 {
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return nil, errors.New("Only 2 values are allowed for rand")
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}
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if len(randValue) == 2 {
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NConfig.LengthMin, err = strconv.ParseUint(randValue[0], 10, 64)
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NConfig.LengthMax, err2 = strconv.ParseUint(randValue[1], 10, 64)
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}
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if len(randValue) == 1 {
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NConfig.LengthMin, err = strconv.ParseUint(randValue[0], 10, 64)
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NConfig.LengthMax = NConfig.LengthMin
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}
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if err != nil {
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return nil, errors.New("invalid value for rand LengthMin").Base(err)
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}
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if err2 != nil {
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return nil, errors.New("invalid value for rand LengthMax").Base(err2)
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}
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if NConfig.LengthMin > NConfig.LengthMax {
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NConfig.LengthMin, NConfig.LengthMax = NConfig.LengthMax, NConfig.LengthMin
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}
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if NConfig.LengthMin == 0 {
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return nil, errors.New("rand lengthMin or lengthMax cannot be 0")
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}
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case "str":
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//user input string
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NConfig.StrNoise = []byte(strings.TrimSpace(noise.Packet))
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case "base64":
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//user input base64
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NConfig.StrNoise, err = base64.StdEncoding.DecodeString(strings.TrimSpace(noise.Packet))
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if err != nil {
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return nil, errors.New("Invalid base64 string")
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}
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default:
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return nil, errors.New("Invalid packet,only rand,str,base64 are supported")
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}
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if noise.Delay != nil {
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if noise.Delay.From != 0 && noise.Delay.To != 0 {
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NConfig.DelayMin = uint64(noise.Delay.From)
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NConfig.DelayMax = uint64(noise.Delay.To)
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if NConfig.DelayMin > NConfig.LengthMax {
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NConfig.DelayMin, NConfig.DelayMax = NConfig.LengthMax, NConfig.DelayMin
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}
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} else {
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return nil, errors.New("DelayMin or DelayMax cannot be zero")
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}
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} else {
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NConfig.DelayMin = 0
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NConfig.DelayMax = 0
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}
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return NConfig, nil
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}
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@ -237,7 +237,7 @@ type Noise struct {
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LengthMax uint64 `protobuf:"varint,2,opt,name=length_max,json=lengthMax,proto3" json:"length_max,omitempty"`
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LengthMax uint64 `protobuf:"varint,2,opt,name=length_max,json=lengthMax,proto3" json:"length_max,omitempty"`
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DelayMin uint64 `protobuf:"varint,3,opt,name=delay_min,json=delayMin,proto3" json:"delay_min,omitempty"`
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DelayMin uint64 `protobuf:"varint,3,opt,name=delay_min,json=delayMin,proto3" json:"delay_min,omitempty"`
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DelayMax uint64 `protobuf:"varint,4,opt,name=delay_max,json=delayMax,proto3" json:"delay_max,omitempty"`
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DelayMax uint64 `protobuf:"varint,4,opt,name=delay_max,json=delayMax,proto3" json:"delay_max,omitempty"`
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StrNoise string `protobuf:"bytes,5,opt,name=str_noise,json=strNoise,proto3" json:"str_noise,omitempty"`
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StrNoise []byte `protobuf:"bytes,5,opt,name=str_noise,json=strNoise,proto3" json:"str_noise,omitempty"`
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}
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}
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func (x *Noise) Reset() {
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func (x *Noise) Reset() {
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@ -300,11 +300,11 @@ func (x *Noise) GetDelayMax() uint64 {
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return 0
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return 0
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}
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}
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func (x *Noise) GetStrNoise() string {
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func (x *Noise) GetStrNoise() []byte {
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if x != nil {
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if x != nil {
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return x.StrNoise
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return x.StrNoise
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}
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}
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return ""
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return nil
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}
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}
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type Config struct {
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type Config struct {
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@ -319,7 +319,7 @@ type Config struct {
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UserLevel uint32 `protobuf:"varint,4,opt,name=user_level,json=userLevel,proto3" json:"user_level,omitempty"`
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UserLevel uint32 `protobuf:"varint,4,opt,name=user_level,json=userLevel,proto3" json:"user_level,omitempty"`
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Fragment *Fragment `protobuf:"bytes,5,opt,name=fragment,proto3" json:"fragment,omitempty"`
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Fragment *Fragment `protobuf:"bytes,5,opt,name=fragment,proto3" json:"fragment,omitempty"`
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ProxyProtocol uint32 `protobuf:"varint,6,opt,name=proxy_protocol,json=proxyProtocol,proto3" json:"proxy_protocol,omitempty"`
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ProxyProtocol uint32 `protobuf:"varint,6,opt,name=proxy_protocol,json=proxyProtocol,proto3" json:"proxy_protocol,omitempty"`
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Noise *Noise `protobuf:"bytes,7,opt,name=noise,proto3" json:"noise,omitempty"`
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Noises []*Noise `protobuf:"bytes,7,rep,name=noises,proto3" json:"noises,omitempty"`
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}
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}
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func (x *Config) Reset() {
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func (x *Config) Reset() {
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@ -397,9 +397,9 @@ func (x *Config) GetProxyProtocol() uint32 {
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return 0
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return 0
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}
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}
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func (x *Config) GetNoise() *Noise {
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func (x *Config) GetNoises() []*Noise {
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if x != nil {
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if x != nil {
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return x.Noise
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return x.Noises
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}
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}
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return nil
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return nil
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}
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}
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@ -439,8 +439,8 @@ var file_proxy_freedom_config_proto_rawDesc = []byte{
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@ -462,27 +462,27 @@ var file_proxy_freedom_config_proto_rawDesc = []byte{
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0x0a, 0x07, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x10, 0x02, 0x12, 0x0b, 0x0a, 0x07, 0x55,
|
0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x10, 0x02, 0x12, 0x0b, 0x0a,
|
||||||
0x53, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x03, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f,
|
0x07, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x03, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53,
|
||||||
0x49, 0x50, 0x34, 0x36, 0x10, 0x04, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50,
|
0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10, 0x04, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f,
|
||||||
0x36, 0x34, 0x10, 0x05, 0x12, 0x0c, 0x0a, 0x08, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50,
|
0x49, 0x50, 0x36, 0x34, 0x10, 0x05, 0x12, 0x0c, 0x0a, 0x08, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f,
|
||||||
0x10, 0x06, 0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x10,
|
0x49, 0x50, 0x10, 0x06, 0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50,
|
||||||
0x07, 0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x08,
|
0x34, 0x10, 0x07, 0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36,
|
||||||
0x12, 0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10, 0x09,
|
0x10, 0x08, 0x12, 0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36,
|
||||||
0x12, 0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34, 0x10, 0x0a,
|
0x10, 0x09, 0x12, 0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34,
|
||||||
0x42, 0x58, 0x0a, 0x16, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f,
|
0x10, 0x0a, 0x42, 0x58, 0x0a, 0x16, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70,
|
||||||
0x78, 0x79, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x50, 0x01, 0x5a, 0x27, 0x67, 0x69,
|
0x72, 0x6f, 0x78, 0x79, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x50, 0x01, 0x5a, 0x27,
|
||||||
0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72,
|
0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f,
|
||||||
0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x66, 0x72,
|
0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f,
|
||||||
0x65, 0x65, 0x64, 0x6f, 0x6d, 0xaa, 0x02, 0x12, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f,
|
0x66, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0xaa, 0x02, 0x12, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50,
|
||||||
0x78, 0x79, 0x2e, 0x46, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
|
0x72, 0x6f, 0x78, 0x79, 0x2e, 0x46, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x62, 0x06, 0x70, 0x72,
|
||||||
0x6f, 0x33,
|
0x6f, 0x74, 0x6f, 0x33,
|
||||||
}
|
}
|
||||||
|
|
||||||
var (
|
var (
|
||||||
@ -512,7 +512,7 @@ var file_proxy_freedom_config_proto_depIdxs = []int32{
|
|||||||
0, // 1: xray.proxy.freedom.Config.domain_strategy:type_name -> xray.proxy.freedom.Config.DomainStrategy
|
0, // 1: xray.proxy.freedom.Config.domain_strategy:type_name -> xray.proxy.freedom.Config.DomainStrategy
|
||||||
1, // 2: xray.proxy.freedom.Config.destination_override:type_name -> xray.proxy.freedom.DestinationOverride
|
1, // 2: xray.proxy.freedom.Config.destination_override:type_name -> xray.proxy.freedom.DestinationOverride
|
||||||
2, // 3: xray.proxy.freedom.Config.fragment:type_name -> xray.proxy.freedom.Fragment
|
2, // 3: xray.proxy.freedom.Config.fragment:type_name -> xray.proxy.freedom.Fragment
|
||||||
3, // 4: xray.proxy.freedom.Config.noise:type_name -> xray.proxy.freedom.Noise
|
3, // 4: xray.proxy.freedom.Config.noises:type_name -> xray.proxy.freedom.Noise
|
||||||
5, // [5:5] is the sub-list for method output_type
|
5, // [5:5] is the sub-list for method output_type
|
||||||
5, // [5:5] is the sub-list for method input_type
|
5, // [5:5] is the sub-list for method input_type
|
||||||
5, // [5:5] is the sub-list for extension type_name
|
5, // [5:5] is the sub-list for extension type_name
|
||||||
|
@ -25,7 +25,7 @@ message Noise {
|
|||||||
uint64 length_max = 2;
|
uint64 length_max = 2;
|
||||||
uint64 delay_min = 3;
|
uint64 delay_min = 3;
|
||||||
uint64 delay_max = 4;
|
uint64 delay_max = 4;
|
||||||
string str_noise = 5;
|
bytes str_noise = 5;
|
||||||
}
|
}
|
||||||
|
|
||||||
message Config {
|
message Config {
|
||||||
@ -48,5 +48,5 @@ message Config {
|
|||||||
uint32 user_level = 4;
|
uint32 user_level = 4;
|
||||||
Fragment fragment = 5;
|
Fragment fragment = 5;
|
||||||
uint32 proxy_protocol = 6;
|
uint32 proxy_protocol = 6;
|
||||||
Noise noise = 7;
|
repeated Noise noises = 7;
|
||||||
}
|
}
|
||||||
|
@ -208,12 +208,11 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
|
|||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
writer = NewPacketWriter(conn, h, ctx, UDPOverride)
|
writer = NewPacketWriter(conn, h, ctx, UDPOverride)
|
||||||
if h.config.Noise != nil {
|
if h.config.Noises != nil {
|
||||||
errors.LogDebug(ctx, "NOISE", h.config.Noise.StrNoise, h.config.Noise.LengthMin, h.config.Noise.LengthMax,
|
errors.LogDebug(ctx, "NOISE", h.config.Noises)
|
||||||
h.config.Noise.DelayMin, h.config.Noise.DelayMax)
|
|
||||||
writer = &NoisePacketWriter{
|
writer = &NoisePacketWriter{
|
||||||
Writer: writer,
|
Writer: writer,
|
||||||
noise: h.config.Noise,
|
noises: h.config.Noises,
|
||||||
firstWrite: true,
|
firstWrite: true,
|
||||||
UDPOverride: UDPOverride,
|
UDPOverride: UDPOverride,
|
||||||
}
|
}
|
||||||
@ -396,12 +395,12 @@ func (w *PacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
|
|||||||
|
|
||||||
type NoisePacketWriter struct {
|
type NoisePacketWriter struct {
|
||||||
buf.Writer
|
buf.Writer
|
||||||
noise *Noise
|
noises []*Noise
|
||||||
firstWrite bool
|
firstWrite bool
|
||||||
UDPOverride net.Destination
|
UDPOverride net.Destination
|
||||||
}
|
}
|
||||||
|
|
||||||
// MultiBuffer writer with Noise in first packet
|
// MultiBuffer writer with Noise before first packet
|
||||||
func (w *NoisePacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
|
func (w *NoisePacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
|
||||||
if w.firstWrite {
|
if w.firstWrite {
|
||||||
w.firstWrite = false
|
w.firstWrite = false
|
||||||
@ -411,22 +410,23 @@ func (w *NoisePacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
|
|||||||
}
|
}
|
||||||
var noise []byte
|
var noise []byte
|
||||||
var err error
|
var err error
|
||||||
//User input string
|
for _, n := range w.noises {
|
||||||
if w.noise.StrNoise != "" {
|
//User input string or base64 encoded string
|
||||||
noise = []byte(w.noise.StrNoise)
|
if n.StrNoise != nil {
|
||||||
|
noise = n.StrNoise
|
||||||
} else {
|
} else {
|
||||||
//Random noise
|
//Random noise
|
||||||
noise, err = GenerateRandomBytes(randBetween(int64(w.noise.LengthMin),
|
noise, err = GenerateRandomBytes(randBetween(int64(n.LengthMin),
|
||||||
int64(w.noise.LengthMax)))
|
int64(n.LengthMax)))
|
||||||
}
|
}
|
||||||
|
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return err
|
return err
|
||||||
}
|
}
|
||||||
w.Writer.WriteMultiBuffer(buf.MultiBuffer{buf.FromBytes(noise)})
|
w.Writer.WriteMultiBuffer(buf.MultiBuffer{buf.FromBytes(noise)})
|
||||||
|
|
||||||
if w.noise.DelayMin != 0 {
|
if n.DelayMin != 0 {
|
||||||
time.Sleep(time.Duration(randBetween(int64(w.noise.DelayMin), int64(w.noise.DelayMax))) * time.Millisecond)
|
time.Sleep(time.Duration(randBetween(int64(n.DelayMin), int64(n.DelayMax))) * time.Millisecond)
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user