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Cloak
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Use pooled buffer for session closing frame

This commit is contained in:
Andy Wang 2020-12-24 13:42:22 +00:00
parent 881f6e6f9d
commit 4f34e69006
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GPG Key ID: 181B49F9F38F3374
1 changed files with 6 additions and 6 deletions
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12
internal/multiplex/session.go
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@ -319,10 +319,10 @@ func (sesh *Session) Close() error {
} }
// we send a notice frame telling remote to close the session // we send a notice frame telling remote to close the session
padBuf := make([]byte, 256+frameHeaderLength+sesh.Obfuscator.maxOverhead) buf := sesh.streamObfsBufPool.Get().(*[]byte)
common.CryptoRandRead(padBuf[:1]) common.CryptoRandRead((*buf)[:1])
padLen := int(padBuf[0]) + 1 padLen := int((*buf)[0]) + 1
payload := padBuf[frameHeaderLength : padLen+frameHeaderLength] payload := (*buf)[frameHeaderLength : padLen+frameHeaderLength]
common.CryptoRandRead(payload) common.CryptoRandRead(payload)
f := &Frame{ f := &Frame{
@ -331,11 +331,11 @@ func (sesh *Session) Close() error {
Closing: closingSession, Closing: closingSession,
Payload: payload, Payload: payload,
} }
i, err := sesh.Obfs(f, padBuf, frameHeaderLength) i, err := sesh.Obfs(f, *buf, frameHeaderLength)
if err != nil { if err != nil {
return err return err
} }
_, err = sesh.sb.send(padBuf[:i], new(uint32)) _, err = sesh.sb.send((*buf)[:i], new(uint32))
if err != nil { if err != nil {
return err return err
} }