mirror of
https://github.com/autc04/Retro68.git
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281 lines
6.6 KiB
Go
281 lines
6.6 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package fcgi
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import (
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"bytes"
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"errors"
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"io"
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"io/ioutil"
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"net/http"
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"testing"
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)
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var sizeTests = []struct {
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size uint32
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bytes []byte
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}{
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{0, []byte{0x00}},
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{127, []byte{0x7F}},
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{128, []byte{0x80, 0x00, 0x00, 0x80}},
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{1000, []byte{0x80, 0x00, 0x03, 0xE8}},
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{33554431, []byte{0x81, 0xFF, 0xFF, 0xFF}},
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}
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func TestSize(t *testing.T) {
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b := make([]byte, 4)
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for i, test := range sizeTests {
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n := encodeSize(b, test.size)
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if !bytes.Equal(b[:n], test.bytes) {
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t.Errorf("%d expected %x, encoded %x", i, test.bytes, b)
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}
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size, n := readSize(test.bytes)
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if size != test.size {
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t.Errorf("%d expected %d, read %d", i, test.size, size)
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}
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if len(test.bytes) != n {
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t.Errorf("%d did not consume all the bytes", i)
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}
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}
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}
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var streamTests = []struct {
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desc string
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recType recType
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reqId uint16
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content []byte
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raw []byte
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}{
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{"single record", typeStdout, 1, nil,
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[]byte{1, byte(typeStdout), 0, 1, 0, 0, 0, 0},
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},
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// this data will have to be split into two records
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{"two records", typeStdin, 300, make([]byte, 66000),
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bytes.Join([][]byte{
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// header for the first record
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{1, byte(typeStdin), 0x01, 0x2C, 0xFF, 0xFF, 1, 0},
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make([]byte, 65536),
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// header for the second
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{1, byte(typeStdin), 0x01, 0x2C, 0x01, 0xD1, 7, 0},
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make([]byte, 472),
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// header for the empty record
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{1, byte(typeStdin), 0x01, 0x2C, 0, 0, 0, 0},
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},
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nil),
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},
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}
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type nilCloser struct {
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io.ReadWriter
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}
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func (c *nilCloser) Close() error { return nil }
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func TestStreams(t *testing.T) {
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var rec record
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outer:
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for _, test := range streamTests {
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buf := bytes.NewBuffer(test.raw)
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var content []byte
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for buf.Len() > 0 {
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if err := rec.read(buf); err != nil {
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t.Errorf("%s: error reading record: %v", test.desc, err)
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continue outer
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}
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content = append(content, rec.content()...)
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}
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if rec.h.Type != test.recType {
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t.Errorf("%s: got type %d expected %d", test.desc, rec.h.Type, test.recType)
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continue
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}
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if rec.h.Id != test.reqId {
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t.Errorf("%s: got request ID %d expected %d", test.desc, rec.h.Id, test.reqId)
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continue
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}
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if !bytes.Equal(content, test.content) {
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t.Errorf("%s: read wrong content", test.desc)
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continue
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}
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buf.Reset()
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c := newConn(&nilCloser{buf})
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w := newWriter(c, test.recType, test.reqId)
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if _, err := w.Write(test.content); err != nil {
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t.Errorf("%s: error writing record: %v", test.desc, err)
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continue
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}
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if err := w.Close(); err != nil {
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t.Errorf("%s: error closing stream: %v", test.desc, err)
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continue
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}
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if !bytes.Equal(buf.Bytes(), test.raw) {
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t.Errorf("%s: wrote wrong content", test.desc)
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}
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}
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}
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type writeOnlyConn struct {
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buf []byte
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}
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func (c *writeOnlyConn) Write(p []byte) (int, error) {
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c.buf = append(c.buf, p...)
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return len(p), nil
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}
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func (c *writeOnlyConn) Read(p []byte) (int, error) {
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return 0, errors.New("conn is write-only")
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}
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func (c *writeOnlyConn) Close() error {
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return nil
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}
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func TestGetValues(t *testing.T) {
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var rec record
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rec.h.Type = typeGetValues
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wc := new(writeOnlyConn)
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c := newChild(wc, nil)
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err := c.handleRecord(&rec)
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if err != nil {
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t.Fatalf("handleRecord: %v", err)
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}
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const want = "\x01\n\x00\x00\x00\x12\x06\x00" +
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"\x0f\x01FCGI_MPXS_CONNS1" +
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"\x00\x00\x00\x00\x00\x00\x01\n\x00\x00\x00\x00\x00\x00"
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if got := string(wc.buf); got != want {
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t.Errorf(" got: %q\nwant: %q\n", got, want)
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}
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}
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func nameValuePair11(nameData, valueData string) []byte {
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return bytes.Join(
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[][]byte{
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{byte(len(nameData)), byte(len(valueData))},
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[]byte(nameData),
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[]byte(valueData),
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},
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nil,
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)
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}
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func makeRecord(
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recordType recType,
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requestId uint16,
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contentData []byte,
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) []byte {
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requestIdB1 := byte(requestId >> 8)
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requestIdB0 := byte(requestId)
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contentLength := len(contentData)
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contentLengthB1 := byte(contentLength >> 8)
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contentLengthB0 := byte(contentLength)
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return bytes.Join([][]byte{
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{1, byte(recordType), requestIdB1, requestIdB0, contentLengthB1,
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contentLengthB0, 0, 0},
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contentData,
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},
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nil)
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}
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// a series of FastCGI records that start a request and begin sending the
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// request body
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var streamBeginTypeStdin = bytes.Join([][]byte{
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// set up request 1
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makeRecord(typeBeginRequest, 1,
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[]byte{0, byte(roleResponder), 0, 0, 0, 0, 0, 0}),
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// add required parameters to request 1
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makeRecord(typeParams, 1, nameValuePair11("REQUEST_METHOD", "GET")),
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makeRecord(typeParams, 1, nameValuePair11("SERVER_PROTOCOL", "HTTP/1.1")),
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makeRecord(typeParams, 1, nil),
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// begin sending body of request 1
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makeRecord(typeStdin, 1, []byte("0123456789abcdef")),
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},
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nil)
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var cleanUpTests = []struct {
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input []byte
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err error
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}{
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// confirm that child.handleRecord closes req.pw after aborting req
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{
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bytes.Join([][]byte{
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streamBeginTypeStdin,
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makeRecord(typeAbortRequest, 1, nil),
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},
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nil),
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ErrRequestAborted,
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},
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// confirm that child.serve closes all pipes after error reading record
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{
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bytes.Join([][]byte{
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streamBeginTypeStdin,
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nil,
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},
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nil),
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ErrConnClosed,
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},
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}
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type nopWriteCloser struct {
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io.ReadWriter
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}
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func (nopWriteCloser) Close() error {
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return nil
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}
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// Test that child.serve closes the bodies of aborted requests and closes the
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// bodies of all requests before returning. Causes deadlock if either condition
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// isn't met. See issue 6934.
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func TestChildServeCleansUp(t *testing.T) {
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for _, tt := range cleanUpTests {
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input := make([]byte, len(tt.input))
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copy(input, tt.input)
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rc := nopWriteCloser{bytes.NewBuffer(input)}
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done := make(chan bool)
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c := newChild(rc, http.HandlerFunc(func(
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w http.ResponseWriter,
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r *http.Request,
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) {
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// block on reading body of request
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_, err := io.Copy(ioutil.Discard, r.Body)
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if err != tt.err {
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t.Errorf("Expected %#v, got %#v", tt.err, err)
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}
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// not reached if body of request isn't closed
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done <- true
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}))
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go c.serve()
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// wait for body of request to be closed or all goroutines to block
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<-done
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}
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}
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type rwNopCloser struct {
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io.Reader
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io.Writer
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}
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func (rwNopCloser) Close() error {
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return nil
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}
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// Verifies it doesn't crash. Issue 11824.
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func TestMalformedParams(t *testing.T) {
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input := []byte{
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// beginRequest, requestId=1, contentLength=8, role=1, keepConn=1
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1, 1, 0, 1, 0, 8, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0,
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// params, requestId=1, contentLength=10, k1Len=50, v1Len=50 (malformed, wrong length)
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1, 4, 0, 1, 0, 10, 0, 0, 50, 50, 3, 4, 5, 6, 7, 8, 9, 10,
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// end of params
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1, 4, 0, 1, 0, 0, 0, 0,
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}
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rw := rwNopCloser{bytes.NewReader(input), ioutil.Discard}
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c := newChild(rw, http.DefaultServeMux)
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c.serve()
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}
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