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feat: support http-mask-mode, http-mask-tls and http-mask-host for sudoku (#2456)

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This commit is contained in:
saba-futai
2025-12-23 23:08:38 +08:00
committed by GitHub
parent 64015b7634
commit 7daf37bc15
28 changed files with 3977 additions and 62 deletions
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53
adapter/outbound/sudoku.go
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@@ -30,6 +30,9 @@ type SudokuOption struct {
TableType string `proxy:"table-type,omitempty"` // "prefer_ascii" or "prefer_entropy"
EnablePureDownlink *bool `proxy:"enable-pure-downlink,omitempty"`
HTTPMask bool `proxy:"http-mask,omitempty"`
HTTPMaskMode string `proxy:"http-mask-mode,omitempty"` // "legacy" (default), "stream", "poll", "auto"
HTTPMaskTLS bool `proxy:"http-mask-tls,omitempty"` // only for http-mask-mode stream/poll/auto
HTTPMaskHost string `proxy:"http-mask-host,omitempty"` // optional Host/SNI override (domain or domain:port)
HTTPMaskStrategy string `proxy:"http-mask-strategy,omitempty"` // "random" (default), "post", "websocket"
CustomTable string `proxy:"custom-table,omitempty"` // optional custom byte layout, e.g. xpxvvpvv
CustomTables []string `proxy:"custom-tables,omitempty"` // optional table rotation patterns, overrides custom-table when non-empty
@@ -42,7 +45,16 @@ func (s *Sudoku) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Con
return nil, err
}
c, err := s.dialer.DialContext(ctx, "tcp", s.addr)
var c net.Conn
if !cfg.DisableHTTPMask {
switch strings.ToLower(strings.TrimSpace(cfg.HTTPMaskMode)) {
case "stream", "poll", "auto":
c, err = sudoku.DialHTTPMaskTunnel(ctx, cfg.ServerAddress, cfg, s.dialer.DialContext)
}
}
if c == nil && err == nil {
c, err = s.dialer.DialContext(ctx, "tcp", s.addr)
}
if err != nil {
return nil, fmt.Errorf("%s connect error: %w", s.addr, err)
}
@@ -56,9 +68,14 @@ func (s *Sudoku) DialContext(ctx context.Context, metadata *C.Metadata) (_ C.Con
defer done(&err)
}
c, err = sudoku.ClientHandshakeWithOptions(c, cfg, sudoku.ClientHandshakeOptions{
HTTPMaskStrategy: s.option.HTTPMaskStrategy,
})
handshakeCfg := *cfg
if !handshakeCfg.DisableHTTPMask {
switch strings.ToLower(strings.TrimSpace(handshakeCfg.HTTPMaskMode)) {
case "stream", "poll", "auto":
handshakeCfg.DisableHTTPMask = true
}
}
c, err = sudoku.ClientHandshakeWithOptions(c, &handshakeCfg, sudoku.ClientHandshakeOptions{HTTPMaskStrategy: s.option.HTTPMaskStrategy})
if err != nil {
return nil, err
}
@@ -87,7 +104,16 @@ func (s *Sudoku) ListenPacketContext(ctx context.Context, metadata *C.Metadata)
return nil, err
}
c, err := s.dialer.DialContext(ctx, "tcp", s.addr)
var c net.Conn
if !cfg.DisableHTTPMask {
switch strings.ToLower(strings.TrimSpace(cfg.HTTPMaskMode)) {
case "stream", "poll", "auto":
c, err = sudoku.DialHTTPMaskTunnel(ctx, cfg.ServerAddress, cfg, s.dialer.DialContext)
}
}
if c == nil && err == nil {
c, err = s.dialer.DialContext(ctx, "tcp", s.addr)
}
if err != nil {
return nil, fmt.Errorf("%s connect error: %w", s.addr, err)
}
@@ -101,9 +127,14 @@ func (s *Sudoku) ListenPacketContext(ctx context.Context, metadata *C.Metadata)
defer done(&err)
}
c, err = sudoku.ClientHandshakeWithOptions(c, cfg, sudoku.ClientHandshakeOptions{
HTTPMaskStrategy: s.option.HTTPMaskStrategy,
})
handshakeCfg := *cfg
if !handshakeCfg.DisableHTTPMask {
switch strings.ToLower(strings.TrimSpace(handshakeCfg.HTTPMaskMode)) {
case "stream", "poll", "auto":
handshakeCfg.DisableHTTPMask = true
}
}
c, err = sudoku.ClientHandshakeWithOptions(c, &handshakeCfg, sudoku.ClientHandshakeOptions{HTTPMaskStrategy: s.option.HTTPMaskStrategy})
if err != nil {
return nil, err
}
@@ -190,6 +221,12 @@ func NewSudoku(option SudokuOption) (*Sudoku, error) {
EnablePureDownlink: enablePureDownlink,
HandshakeTimeoutSeconds: defaultConf.HandshakeTimeoutSeconds,
DisableHTTPMask: !option.HTTPMask,
HTTPMaskMode: defaultConf.HTTPMaskMode,
HTTPMaskTLSEnabled: option.HTTPMaskTLS,
HTTPMaskHost: option.HTTPMaskHost,
}
if option.HTTPMaskMode != "" {
baseConf.HTTPMaskMode = option.HTTPMaskMode
}
tables, err := sudoku.NewTablesWithCustomPatterns(sudoku.ClientAEADSeed(option.Key), tableType, option.CustomTable, option.CustomTables)
if err != nil {