mirror of https://github.com/XTLS/Xray-core
Freedom: Add `maxSplit` fragment option; Add `applyTo` noises option (#4998)
patterniha
GitHub
parent
5dce7e4e25
commit
cde6e33ec9
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@ -27,12 +27,14 @@ type Fragment struct {
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Packets string `json:"packets"`
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Length *Int32Range `json:"length"`
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Interval *Int32Range `json:"interval"`
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MaxSplit *Int32Range `json:"maxSplit"`
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}
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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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Delay *Int32Range `json:"delay"`
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Type string `json:"type"`
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Packet string `json:"packet"`
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Delay *Int32Range `json:"delay"`
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ApplyTo string `json:"applyTo"`
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}
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// Build implements Buildable
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@ -108,6 +110,13 @@ func (c *FreedomConfig) Build() (proto.Message, error) {
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config.Fragment.IntervalMin = uint64(c.Fragment.Interval.From)
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config.Fragment.IntervalMax = uint64(c.Fragment.Interval.To)
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}
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{
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if c.Fragment.MaxSplit != nil {
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config.Fragment.MaxSplitMin = uint64(c.Fragment.MaxSplit.From)
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config.Fragment.MaxSplitMax = uint64(c.Fragment.MaxSplit.To)
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}
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}
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}
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if c.Noise != nil {
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@ -193,5 +202,15 @@ func ParseNoise(noise *Noise) (*freedom.Noise, error) {
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NConfig.DelayMin = uint64(noise.Delay.From)
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NConfig.DelayMax = uint64(noise.Delay.To)
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}
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switch strings.ToLower(noise.ApplyTo) {
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case "", "ip", "all":
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NConfig.ApplyTo = "ip"
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case "ipv4":
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NConfig.ApplyTo = "ipv4"
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case "ipv6":
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NConfig.ApplyTo = "ipv6"
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default:
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return nil, errors.New("Invalid applyTo, only ip/ipv4/ipv6 are supported")
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}
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return NConfig, nil
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}
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@ -150,6 +150,8 @@ type Fragment struct {
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LengthMax uint64 `protobuf:"varint,4,opt,name=length_max,json=lengthMax,proto3" json:"length_max,omitempty"`
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IntervalMin uint64 `protobuf:"varint,5,opt,name=interval_min,json=intervalMin,proto3" json:"interval_min,omitempty"`
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IntervalMax uint64 `protobuf:"varint,6,opt,name=interval_max,json=intervalMax,proto3" json:"interval_max,omitempty"`
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MaxSplitMin uint64 `protobuf:"varint,7,opt,name=max_split_min,json=maxSplitMin,proto3" json:"max_split_min,omitempty"`
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MaxSplitMax uint64 `protobuf:"varint,8,opt,name=max_split_max,json=maxSplitMax,proto3" json:"max_split_max,omitempty"`
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}
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func (x *Fragment) Reset() {
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@ -224,6 +226,20 @@ func (x *Fragment) GetIntervalMax() uint64 {
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return 0
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}
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func (x *Fragment) GetMaxSplitMin() uint64 {
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if x != nil {
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return x.MaxSplitMin
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}
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return 0
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}
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func (x *Fragment) GetMaxSplitMax() uint64 {
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if x != nil {
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return x.MaxSplitMax
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}
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return 0
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}
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type Noise struct {
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state protoimpl.MessageState
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sizeCache protoimpl.SizeCache
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@ -234,6 +250,7 @@ type Noise struct {
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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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Packet []byte `protobuf:"bytes,5,opt,name=packet,proto3" json:"packet,omitempty"`
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ApplyTo string `protobuf:"bytes,6,opt,name=apply_to,json=applyTo,proto3" json:"apply_to,omitempty"`
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}
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func (x *Noise) Reset() {
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@ -301,6 +318,13 @@ func (x *Noise) GetPacket() []byte {
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return nil
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}
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func (x *Noise) GetApplyTo() string {
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if x != nil {
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return x.ApplyTo
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}
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return ""
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}
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type Config struct {
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state protoimpl.MessageState
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sizeCache protoimpl.SizeCache
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@ -399,7 +423,7 @@ var file_proxy_freedom_config_proto_rawDesc = []byte{
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@ -412,57 +436,63 @@ var file_proxy_freedom_config_proto_rawDesc = []byte{
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||||
0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x29, 0x2e, 0x78,
|
||||
0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x64, 0x6f,
|
||||
0x6d, 0x2e, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53,
|
||||
0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x52, 0x0e, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53,
|
||||
0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x5a, 0x0a, 0x14, 0x64, 0x65, 0x73, 0x74, 0x69,
|
||||
0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x6f, 0x76, 0x65, 0x72, 0x72, 0x69, 0x64, 0x65, 0x18,
|
||||
0x03, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x27, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f,
|
||||
0x78, 0x79, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x2e, 0x44, 0x65, 0x73, 0x74, 0x69,
|
||||
0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x4f, 0x76, 0x65, 0x72, 0x72, 0x69, 0x64, 0x65, 0x52, 0x13,
|
||||
0x64, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x4f, 0x76, 0x65, 0x72, 0x72,
|
||||
0x69, 0x64, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x75, 0x73, 0x65, 0x72, 0x5f, 0x6c, 0x65, 0x76, 0x65,
|
||||
0x6c, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x09, 0x75, 0x73, 0x65, 0x72, 0x4c, 0x65, 0x76,
|
||||
0x65, 0x6c, 0x12, 0x38, 0x0a, 0x08, 0x66, 0x72, 0x61, 0x67, 0x6d, 0x65, 0x6e, 0x74, 0x18, 0x05,
|
||||
0x20, 0x01, 0x28, 0x0b, 0x32, 0x1c, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78,
|
||||
0x79, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x2e, 0x46, 0x72, 0x61, 0x67, 0x6d, 0x65,
|
||||
0x6e, 0x74, 0x52, 0x08, 0x66, 0x72, 0x61, 0x67, 0x6d, 0x65, 0x6e, 0x74, 0x12, 0x25, 0x0a, 0x0e,
|
||||
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|
||||
0x20, 0x01, 0x28, 0x0d, 0x52, 0x0d, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x50, 0x72, 0x6f, 0x74, 0x6f,
|
||||
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|
||||
0x03, 0x28, 0x0b, 0x32, 0x19, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79,
|
||||
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|
||||
0x6e, 0x6f, 0x69, 0x73, 0x65, 0x73, 0x22, 0xa9, 0x01, 0x0a, 0x0e, 0x44, 0x6f, 0x6d, 0x61, 0x69,
|
||||
0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x09, 0x0a, 0x05, 0x41, 0x53, 0x5f,
|
||||
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|
||||
0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x10, 0x02, 0x12, 0x0b, 0x0a,
|
||||
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|
||||
0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10, 0x04, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f,
|
||||
0x49, 0x50, 0x36, 0x34, 0x10, 0x05, 0x12, 0x0c, 0x0a, 0x08, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f,
|
||||
0x49, 0x50, 0x10, 0x06, 0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50,
|
||||
0x34, 0x10, 0x07, 0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36,
|
||||
0x10, 0x08, 0x12, 0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36,
|
||||
0x10, 0x09, 0x12, 0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34,
|
||||
0x10, 0x0a, 0x42, 0x58, 0x0a, 0x16, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70,
|
||||
0x72, 0x6f, 0x78, 0x79, 0x2e, 0x66, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x50, 0x01, 0x5a, 0x27,
|
||||
0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f,
|
||||
0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f,
|
||||
0x66, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0xaa, 0x02, 0x12, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50,
|
||||
0x72, 0x6f, 0x78, 0x79, 0x2e, 0x46, 0x72, 0x65, 0x65, 0x64, 0x6f, 0x6d, 0x62, 0x06, 0x70, 0x72,
|
||||
0x6f, 0x74, 0x6f, 0x33,
|
||||
}
|
||||
|
||||
var (
|
||||
|
|
|
|||
|
|
@ -19,6 +19,8 @@ message Fragment {
|
|||
uint64 length_max = 4;
|
||||
uint64 interval_min = 5;
|
||||
uint64 interval_max = 6;
|
||||
uint64 max_split_min = 7;
|
||||
uint64 max_split_max = 8;
|
||||
}
|
||||
message Noise {
|
||||
uint64 length_min = 1;
|
||||
|
|
@ -26,6 +28,7 @@ message Noise {
|
|||
uint64 delay_min = 3;
|
||||
uint64 delay_max = 4;
|
||||
bytes packet = 5;
|
||||
string apply_to = 6;
|
||||
}
|
||||
|
||||
message Config {
|
||||
|
|
|
|||
|
|
@ -194,7 +194,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
|
|||
if destination.Network == net.Network_TCP {
|
||||
if h.config.Fragment != nil {
|
||||
errors.LogDebug(ctx, "FRAGMENT", h.config.Fragment.PacketsFrom, h.config.Fragment.PacketsTo, h.config.Fragment.LengthMin, h.config.Fragment.LengthMax,
|
||||
h.config.Fragment.IntervalMin, h.config.Fragment.IntervalMax)
|
||||
h.config.Fragment.IntervalMin, h.config.Fragment.IntervalMax, h.config.Fragment.MaxSplitMin, h.config.Fragment.MaxSplitMax)
|
||||
writer = buf.NewWriter(&FragmentWriter{
|
||||
fragment: h.config.Fragment,
|
||||
writer: conn,
|
||||
|
|
@ -211,6 +211,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
|
|||
noises: h.config.Noises,
|
||||
firstWrite: true,
|
||||
UDPOverride: UDPOverride,
|
||||
remoteAddr: net.DestinationFromAddr(conn.RemoteAddr()).Address,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -289,14 +290,13 @@ func NewPacketReader(conn net.Conn, UDPOverride net.Destination, DialDest net.De
|
|||
if UDPOverride.Address != nil || UDPOverride.Port != 0 {
|
||||
isOverridden = true
|
||||
}
|
||||
changedAddress, _, _ := net.SplitHostPort(conn.RemoteAddr().String())
|
||||
|
||||
return &PacketReader{
|
||||
PacketConnWrapper: c,
|
||||
Counter: counter,
|
||||
IsOverridden: isOverridden,
|
||||
InitUnchangedAddr: DialDest.Address,
|
||||
InitChangedAddr: net.ParseAddress(changedAddress),
|
||||
InitChangedAddr: net.DestinationFromAddr(conn.RemoteAddr()).Address,
|
||||
}
|
||||
}
|
||||
return &buf.PacketReader{Reader: conn}
|
||||
|
|
@ -354,8 +354,7 @@ func NewPacketWriter(conn net.Conn, h *Handler, ctx context.Context, UDPOverride
|
|||
// check this behavior and add it to map
|
||||
resolvedUDPAddr := utils.NewTypedSyncMap[string, net.Address]()
|
||||
if DialDest.Address.Family().IsDomain() {
|
||||
RemoteAddress, _, _ := net.SplitHostPort(conn.RemoteAddr().String())
|
||||
resolvedUDPAddr.Store(DialDest.Address.String(), net.ParseAddress(RemoteAddress))
|
||||
resolvedUDPAddr.Store(DialDest.Address.Domain(), net.DestinationFromAddr(conn.RemoteAddr()).Address)
|
||||
}
|
||||
return &PacketWriter{
|
||||
PacketConnWrapper: c,
|
||||
|
|
@ -456,6 +455,7 @@ type NoisePacketWriter struct {
|
|||
noises []*Noise
|
||||
firstWrite bool
|
||||
UDPOverride net.Destination
|
||||
remoteAddr net.Address
|
||||
}
|
||||
|
||||
// MultiBuffer writer with Noise before first packet
|
||||
|
|
@ -468,8 +468,24 @@ func (w *NoisePacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
|
|||
}
|
||||
var noise []byte
|
||||
var err error
|
||||
if w.remoteAddr.Family().IsDomain() {
|
||||
panic("impossible, remoteAddr is always IP")
|
||||
}
|
||||
for _, n := range w.noises {
|
||||
//User input string or base64 encoded string
|
||||
switch n.ApplyTo {
|
||||
case "ipv4":
|
||||
if w.remoteAddr.Family().IsIPv6() {
|
||||
continue
|
||||
}
|
||||
case "ipv6":
|
||||
if w.remoteAddr.Family().IsIPv4() {
|
||||
continue
|
||||
}
|
||||
case "ip":
|
||||
default:
|
||||
panic("unreachable, applyTo is ip/ipv4/ipv6")
|
||||
}
|
||||
//User input string or base64 encoded string or hex string
|
||||
if n.Packet != nil {
|
||||
noise = n.Packet
|
||||
} else {
|
||||
|
|
@ -509,23 +525,29 @@ func (f *FragmentWriter) Write(b []byte) (int, error) {
|
|||
return f.writer.Write(b)
|
||||
}
|
||||
data := b[5:recordLen]
|
||||
buf := make([]byte, 1024)
|
||||
buff := make([]byte, 2048)
|
||||
var hello []byte
|
||||
maxSplit := crypto.RandBetween(int64(f.fragment.MaxSplitMin), int64(f.fragment.MaxSplitMax))
|
||||
var splitNum int64
|
||||
for from := 0; ; {
|
||||
to := from + int(crypto.RandBetween(int64(f.fragment.LengthMin), int64(f.fragment.LengthMax)))
|
||||
if to > len(data) {
|
||||
splitNum++
|
||||
if to > len(data) || (maxSplit > 0 && splitNum >= maxSplit) {
|
||||
to = len(data)
|
||||
}
|
||||
copy(buf[:3], b)
|
||||
copy(buf[5:], data[from:to])
|
||||
l := to - from
|
||||
if 5+l > len(buff) {
|
||||
buff = make([]byte, 5+l)
|
||||
}
|
||||
copy(buff[:3], b)
|
||||
copy(buff[5:], data[from:to])
|
||||
from = to
|
||||
buf[3] = byte(l >> 8)
|
||||
buf[4] = byte(l)
|
||||
buff[3] = byte(l >> 8)
|
||||
buff[4] = byte(l)
|
||||
if f.fragment.IntervalMax == 0 { // combine fragmented tlshello if interval is 0
|
||||
hello = append(hello, buf[:5+l]...)
|
||||
hello = append(hello, buff[:5+l]...)
|
||||
} else {
|
||||
_, err := f.writer.Write(buf[:5+l])
|
||||
_, err := f.writer.Write(buff[:5+l])
|
||||
time.Sleep(time.Duration(crypto.RandBetween(int64(f.fragment.IntervalMin), int64(f.fragment.IntervalMax))) * time.Millisecond)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
|
|
@ -552,17 +574,20 @@ func (f *FragmentWriter) Write(b []byte) (int, error) {
|
|||
if f.fragment.PacketsFrom != 0 && (f.count < f.fragment.PacketsFrom || f.count > f.fragment.PacketsTo) {
|
||||
return f.writer.Write(b)
|
||||
}
|
||||
maxSplit := crypto.RandBetween(int64(f.fragment.MaxSplitMin), int64(f.fragment.MaxSplitMax))
|
||||
var splitNum int64
|
||||
for from := 0; ; {
|
||||
to := from + int(crypto.RandBetween(int64(f.fragment.LengthMin), int64(f.fragment.LengthMax)))
|
||||
if to > len(b) {
|
||||
splitNum++
|
||||
if to > len(b) || (maxSplit > 0 && splitNum >= maxSplit) {
|
||||
to = len(b)
|
||||
}
|
||||
n, err := f.writer.Write(b[from:to])
|
||||
from += n
|
||||
time.Sleep(time.Duration(crypto.RandBetween(int64(f.fragment.IntervalMin), int64(f.fragment.IntervalMax))) * time.Millisecond)
|
||||
if err != nil {
|
||||
return from, err
|
||||
}
|
||||
time.Sleep(time.Duration(crypto.RandBetween(int64(f.fragment.IntervalMin), int64(f.fragment.IntervalMax))) * time.Millisecond)
|
||||
if from >= len(b) {
|
||||
return from, nil
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue