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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| 
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| package phpfpm
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| type nilCloser struct {
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| 	io.ReadWriter
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| }
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| 
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| func (c *nilCloser) Close() error { return nil }
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| 
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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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| 
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| type writeOnlyConn struct {
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| 	buf []byte
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| }
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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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| 
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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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| 
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| func (c *writeOnlyConn) Close() error {
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| 	return nil
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| }
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| type nopWriteCloser struct {
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| 	io.ReadWriter
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| }
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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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| 
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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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| 
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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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| 
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| func (rwNopCloser) Close() error {
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| 	return nil
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| }
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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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