mirror of https://github.com/XTLS/Xray-core
208 lines
4.5 KiB
Go
208 lines
4.5 KiB
Go
package scenarios
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import (
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"bytes"
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"crypto/rand"
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"fmt"
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"io"
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"io/ioutil"
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"os/exec"
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"path/filepath"
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"runtime"
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"sync"
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"syscall"
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"time"
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"github.com/golang/protobuf/proto"
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"github.com/xtls/xray-core/app/dispatcher"
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"github.com/xtls/xray-core/app/proxyman"
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"github.com/xtls/xray-core/common"
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"github.com/xtls/xray-core/common/errors"
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"github.com/xtls/xray-core/common/log"
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"github.com/xtls/xray-core/common/net"
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"github.com/xtls/xray-core/common/retry"
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"github.com/xtls/xray-core/common/serial"
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core "github.com/xtls/xray-core/core"
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)
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func xor(b []byte) []byte {
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r := make([]byte, len(b))
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for i, v := range b {
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r[i] = v ^ 'c'
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}
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return r
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}
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func readFrom(conn net.Conn, timeout time.Duration, length int) []byte {
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b := make([]byte, length)
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deadline := time.Now().Add(timeout)
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conn.SetReadDeadline(deadline)
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n, err := io.ReadFull(conn, b[:length])
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if err != nil {
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fmt.Println("Unexpected error from readFrom:", err)
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}
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return b[:n]
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}
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func readFrom2(conn net.Conn, timeout time.Duration, length int) ([]byte, error) {
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b := make([]byte, length)
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deadline := time.Now().Add(timeout)
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conn.SetReadDeadline(deadline)
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n, err := io.ReadFull(conn, b[:length])
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if err != nil {
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return nil, err
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}
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return b[:n], nil
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}
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func InitializeServerConfigs(configs ...*core.Config) ([]*exec.Cmd, error) {
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servers := make([]*exec.Cmd, 0, 10)
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for _, config := range configs {
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server, err := InitializeServerConfig(config)
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if err != nil {
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CloseAllServers(servers)
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return nil, err
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}
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servers = append(servers, server)
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}
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time.Sleep(time.Second * 2)
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return servers, nil
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}
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func InitializeServerConfig(config *core.Config) (*exec.Cmd, error) {
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err := BuildXray()
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if err != nil {
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return nil, err
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}
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config = withDefaultApps(config)
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configBytes, err := proto.Marshal(config)
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if err != nil {
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return nil, err
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}
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proc := RunXrayProtobuf(configBytes)
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if err := proc.Start(); err != nil {
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return nil, err
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}
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return proc, nil
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}
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var (
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testBinaryPath string
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testBinaryPathGen sync.Once
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)
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func genTestBinaryPath() {
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testBinaryPathGen.Do(func() {
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var tempDir string
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common.Must(retry.Timed(5, 100).On(func() error {
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dir, err := ioutil.TempDir("", "xray")
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if err != nil {
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return err
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}
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tempDir = dir
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return nil
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}))
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file := filepath.Join(tempDir, "xray.test")
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if runtime.GOOS == "windows" {
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file += ".exe"
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}
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testBinaryPath = file
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fmt.Printf("Generated binary path: %s\n", file)
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})
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}
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func GetSourcePath() string {
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return filepath.Join("github.com", "xtls", "xray-core", "main")
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}
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func CloseAllServers(servers []*exec.Cmd) {
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log.Record(&log.GeneralMessage{
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Severity: log.Severity_Info,
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Content: "Closing all servers.",
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})
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for _, server := range servers {
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if runtime.GOOS == "windows" {
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server.Process.Kill()
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} else {
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server.Process.Signal(syscall.SIGTERM)
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}
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}
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for _, server := range servers {
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server.Process.Wait()
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}
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log.Record(&log.GeneralMessage{
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Severity: log.Severity_Info,
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Content: "All server closed.",
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})
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}
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func withDefaultApps(config *core.Config) *core.Config {
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config.App = append(config.App, serial.ToTypedMessage(&dispatcher.Config{}))
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config.App = append(config.App, serial.ToTypedMessage(&proxyman.InboundConfig{}))
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config.App = append(config.App, serial.ToTypedMessage(&proxyman.OutboundConfig{}))
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return config
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}
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func testTCPConn(port net.Port, payloadSize int, timeout time.Duration) func() error {
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return func() error {
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conn, err := net.DialTCP("tcp", nil, &net.TCPAddr{
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IP: []byte{127, 0, 0, 1},
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Port: int(port),
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})
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if err != nil {
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return err
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}
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defer conn.Close()
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return testTCPConn2(conn, payloadSize, timeout)()
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}
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}
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func testUDPConn(port net.Port, payloadSize int, timeout time.Duration) func() error {
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return func() error {
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conn, err := net.DialUDP("udp", nil, &net.UDPAddr{
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IP: []byte{127, 0, 0, 1},
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Port: int(port),
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})
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if err != nil {
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return err
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}
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defer conn.Close()
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return testTCPConn2(conn, payloadSize, timeout)()
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}
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}
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func testTCPConn2(conn net.Conn, payloadSize int, timeout time.Duration) func() error {
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return func() error {
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payload := make([]byte, payloadSize)
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common.Must2(rand.Read(payload))
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nBytes, err := conn.Write(payload)
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if err != nil {
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return err
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}
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if nBytes != len(payload) {
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return errors.New("expect ", len(payload), " written, but actually ", nBytes)
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}
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response, err := readFrom2(conn, timeout, payloadSize)
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if err != nil {
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return err
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}
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_ = response
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if r := bytes.Compare(response, xor(payload)); r != 0 {
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return errors.New(r)
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}
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return nil
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}
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}
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