POST->OST,GET->ET???

[skytangleisky]

Go version

go1.9.1 windows11/amd64

Output of go env in your module/workspace:

set GO111MODULE=auto
set GOARCH=amd64
set GOBIN=
set GOCACHE=C:\Users\tanglei\AppData\Local\go-build
set GOENV=C:\Users\tanglei\AppData\Roaming\go\env
set GOEXE=.exe
set GOEXPERIMENT=
set GOFLAGS=
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOINSECURE=
set GOMODCACHE=C:\Users\tanglei\go\pkg\mod
set GONOPROXY=
set GONOSUMDB=
set GOOS=windows
set GOPATH=C:\Users\tanglei\go
set GOPRIVATE=
set GOPROXY=https://mirrors.aliyun.com/goproxy/,direct
set GOROOT=C:\Go
set GOSUMDB=sum.golang.org
set GOTMPDIR=
set GOTOOLDIR=C:\Go\pkg\tool\windows_amd64
set GOVCS=
set GOVERSION=go1.19.1
set GCCGO=gccgo
set GOAMD64=v1
set AR=ar
set CC=gcc
set CXX=g++
set CGO_ENABLED=1
set GOMOD=
set GOWORK=
set CGO_CFLAGS=-g -O2
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-g -O2
set CGO_FFLAGS=-g -O2
set CGO_LDFLAGS=-g -O2
set PKG_CONFIG=pkg-config
set GOGCCFLAGS=-m64 -mthreads -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=C:\Users\tanglei\AppData\Local\Temp\go-build2589130561=/tmp/go-build -gno-record-gcc-switches

What did you do?

func (s *httpServer) handleTunneling(w http.ResponseWriter, r *http.Request){
//the first r.Method is expected,eg: POST,GET,...
fmt.Print(r.Method)
hijacker, ok := w.(http.Hijacker)
if ok {
c, _, err := hijacker.Hijack()
if err != nil {
http.Error(w, err.Error(), http.StatusServiceUnavailable)
return
}
//do something
...
//the second r.Method is not expected,eg: OST,ET,...
//what happend?
if r, err = http.ReadRequest(bufio.NewReader(c)); err != nil {
return
}
}
}

What did you see happen?

POST->OST
GET->ET
...

What did you expect to see?

POST->OST->POST
GET->ET
...

[gabyhelp]

Related Issues and Documentation

• net/http: first byte of second request in hijack mode is lost #27408
• net/http: hijack blocked sometimes #23280 (closed)
• net/http: request.Method is wrong when path start by // #29584
• affected/package: #62521 (closed)
• net/http: A race condition in the `http.response.write` #53912 (closed)
• net/http/httputil: concurrent map writes in ReverseProxy on subsequent RoundTripper usages #65123 (closed)

_{(Emoji vote if this was helpful or unhelpful; more detailed feedback welcome in this discussion.)}

[seankhliao]

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