black-internet-days-ahead/sing-box
1
0
Fork 0
mirror of https://github.com/SagerNet/sing-box.git synced 2024-11-25 18:11:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix sniffer

Browse source
This commit is contained in:
世界 2023-08-24 11:07:22 +08:00
parent edad4d1ce7
commit 6dcacf3b5e
No known key found for this signature in database
GPG key ID: CD109927C34A63C4
1 changed files with 21 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
common/sniff/sniff.go
View file

@ -22,23 +22,29 @@ func PeekStream(ctx context.Context, conn net.Conn, buffer *buf.Buffer, timeout
if timeout == 0 {
timeout = C.ReadPayloadTimeout
}
err := conn.SetReadDeadline(time.Now().Add(timeout))
if err != nil {
return nil, E.Cause(err, "set read deadline")
}
_, err = buffer.ReadOnceFrom(conn)
err = E.Errors(err, conn.SetReadDeadline(time.Time{}))
if err != nil {
return nil, E.Cause(err, "read payload")
}
var metadata *adapter.InboundContext
deadline := time.Now().Add(timeout)
var errors []error
for _, sniffer := range sniffers {
metadata, err = sniffer(ctx, bytes.NewReader(buffer.Bytes()))
if metadata != nil {
return metadata, nil
for i := 0; i < 3; i++ {
err := conn.SetReadDeadline(deadline)
if err != nil {
return nil, E.Cause(err, "set read deadline")
}
_, err = buffer.ReadOnceFrom(conn)
err = E.Errors(err, conn.SetReadDeadline(time.Time{}))
if err != nil {
if i > 0 {
break
}
return nil, E.Cause(err, "read payload")
}
for _, sniffer := range sniffers {
metadata, err := sniffer(ctx, bytes.NewReader(buffer.Bytes()))
if metadata != nil {
return metadata, nil
}
errors = append(errors, err)
}
errors = append(errors, err)
}
return nil, E.Errors(errors...)
}