Add log info messages

go.mod

@@ -31,7 +31,7 @@ require (
 	github.com/sirupsen/logrus v1.4.2
 	github.com/xlab/treeprint v0.0.0-20181112141820-a009c3971eca
 	golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586
-	golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2 // indirect
+	golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2
 	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
 	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0-20170531160350-a96e63847dc3

pkg/common/convertcharset.go

+package common
+
+import (
+	"bytes"
+	"io/ioutil"
+
+	"golang.org/x/text/encoding/simplifiedchinese"
+	"golang.org/x/text/transform"
+)
+
+func GbkToUtf8(s []byte) ([]byte, error) {
+	reader := transform.NewReader(bytes.NewReader(s), simplifiedchinese.GBK.NewDecoder())
+	d, e := ioutil.ReadAll(reader)
+	if e != nil {
+		return nil, e
+	}
+	return d, nil
+}
+
+func Utf8ToGbk(s []byte) ([]byte, error) {
+	reader := transform.NewReader(bytes.NewReader(s), simplifiedchinese.GBK.NewEncoder())
+	d, e := ioutil.ReadAll(reader)
+	if e != nil {
+		return nil, e
+	}
+	return d, nil
+}

pkg/handler/session.go

@@ -27,7 +27,7 @@ func SessionHandler(sess ssh.Session) {
 		ctx, cancel := cctx.NewContext(sess)
 		defer cancel()
 		handler := newInteractiveHandler(sess, ctx.User())
-		logger.Debugf("User Request pty: %s %s", sess.User(), pty.Term)
+		logger.Infof("Request %s: User %s request pty %s", handler.sess.ID(), sess.User(), pty.Term)
 		handler.Dispatch(ctx)
 	} else {
 		utils.IgnoreErrWriteString(sess, "No PTY requested.\n")
@@ -125,16 +125,11 @@ func (h *interactiveHandler) resumeWatchWinSize() {
 
 func (h *interactiveHandler) Dispatch(ctx cctx.Context) {
 	go h.watchWinSizeChange()
-
+	defer logger.Infof("Request %s: User %s stop interactive", h.sess.ID(), h.user.Name)
 	for {
 		line, err := h.term.ReadLine()
-
 		if err != nil {
-			if err != io.EOF {
-				logger.Debug("User disconnected")
-			} else {
-				logger.Error("Read from user err: ", err)
-			}
+			logger.Debugf("User %s close connect", h.user.Name)
 			break
 		}
 		line = strings.TrimSpace(line)
@@ -152,7 +147,7 @@ func (h *interactiveHandler) Dispatch(ctx cctx.Context) {
 			case "r":
 				h.refreshAssetsAndNodesData()
 			case "q":
-				logger.Info("exit session")
+				logger.Debugf("user %s enter to exit", h.user.Name)
 				return
 			default:
 				h.searchAssetOrProxy(line)
@@ -160,7 +155,7 @@ func (h *interactiveHandler) Dispatch(ctx cctx.Context) {
 		default:
 			switch {
 			case line == "exit", line == "quit":
-				logger.Info("exit session")
+				logger.Debugf("user %s enter to exit", h.user.Name)
 				return
 			case strings.Index(line, "/") == 0:
 				searchWord := strings.TrimSpace(line[1:])

pkg/handler/wrappersession.go

@@ -6,11 +6,12 @@ import (
 	"sync"
 
 	"github.com/gliderlabs/ssh"
-
 	"github.com/jumpserver/koko/pkg/logger"
+	uuid "github.com/satori/go.uuid"
 )
 
 type WrapperSession struct {
+	Uuid      string
 	Sess      ssh.Session
 	inWriter  io.WriteCloser
 	outReader io.ReadCloser
@@ -18,12 +19,12 @@ type WrapperSession struct {
 }
 
 func (w *WrapperSession) initial() {
+	w.Uuid = uuid.NewV4().String()
 	w.initReadPip()
 	go w.readLoop()
 }
 
 func (w *WrapperSession) readLoop() {
-	defer logger.Debug("session loop break")
 	buf := make([]byte, 1024*8)
 	for {
 		nr, err := w.Sess.Read(buf)
@@ -38,7 +39,7 @@ func (w *WrapperSession) readLoop() {
 		}
 	}
 	_ = w.inWriter.Close()
-
+	logger.Infof("Request %s read loop break", w.Uuid)
 }
 
 func (w *WrapperSession) Read(p []byte) (int, error) {
@@ -94,6 +95,10 @@ func (w *WrapperSession) Pty() ssh.Pty {
 	return pty
 }
 
+func (w *WrapperSession) ID() string {
+	return w.Uuid
+}
+
 func NewWrapperSession(sess ssh.Session) *WrapperSession {
 	w := &WrapperSession{
 		Sess: sess,

pkg/httpd/client.go

@@ -76,3 +76,7 @@ func (c *Client) SetWinSize(size ssh.Window) {
 	default:
 	}
 }
+
+func (c *Client) ID() string {
+	return c.Uuid
+}
\ No newline at end of file

pkg/httpd/elfhandler.go

@@ -92,7 +92,7 @@ func sftpHostConnectorView(wr http.ResponseWriter, req *http.Request) {
 		}
 		addUserVolume(sid, userV)
 	}
-	logger.Debugf("Elfinder connector sid: %s", sid)
+	logger.Debugf("Elfinder connector sid: %s connected", sid)
 	conf := config.GetConf()
 	maxSize := common.ConvertSizeToBytes(conf.ZipMaxSize)
 	options := map[string]string{

pkg/httpd/elfws.go

@@ -7,13 +7,14 @@ import (
 )
 
 func OnELFinderConnect(c *neffos.NSConn, msg neffos.Message) error {
+	logger.Infof("Request %s: web folder ws connect", c.Conn.ID())
 	data := EmitSidMsg{Sid: c.Conn.ID()}
 	c.Emit("data", neffos.Marshal(data))
 	return nil
 }
 
 func OnELFinderDisconnect(c *neffos.NSConn, msg neffos.Message) (error) {
-	logger.Debug("disconnect: ", c.Conn.ID())
+	logger.Infof("Request %s: web folder ws disconnect", c.Conn.ID())
 	removeUserVolume(c.Conn.ID())
 	return nil
 }

pkg/httpd/websshws.go

@@ -136,8 +136,8 @@ func OnHostHandler(c *neffos.NSConn, msg neffos.Message) (err error) {
 		Asset: &asset, SystemUser: &systemUser,
 	}
 	go func() {
-		defer logger.Debug("Web proxy process end")
-		logger.Debug("Web ssh start proxy to host")
+		defer logger.Infof("Request ID %s: Web ssh end proxy process", client.Uuid)
+		logger.Infof("Request ID %s: Web ssh start proxy to host", client.Uuid)
 		proxySrv.Proxy()
 		logoutMsg, _ := json.Marshal(RoomMsg{Room: roomID})
 		// 服务器主动退出

pkg/proxy/parser.go

@@ -26,14 +26,21 @@ var (
 	charEnter = []byte("\r")
 )
 
-func newParser() *Parser {
-	parser := &Parser{}
+const (
+	CommandInputParserName  = "Command Input parser"
+	CommandOutputParserName = "Command output parser"
+)
+
+func newParser(sid string) *Parser {
+	parser := &Parser{id: sid}
 	parser.initial()
 	return parser
 }
 
 // Parse 解析用户输入输出, 拦截过滤用户输入输出
 type Parser struct {
+	id string
+
 	userOutputChan chan []byte
 	srvOutputChan  chan []byte
 	cmdRecordChan  chan [2]string
@@ -59,8 +66,8 @@ func (p *Parser) initial() {
 	p.once = new(sync.Once)
 	p.lock = new(sync.RWMutex)
 
-	p.cmdInputParser = NewCmdParser()
-	p.cmdOutputParser = NewCmdParser()
+	p.cmdInputParser = NewCmdParser(p.id, CommandInputParserName)
+	p.cmdOutputParser = NewCmdParser(p.id, CommandOutputParserName)
 
 	p.closed = make(chan struct{})
 	p.cmdRecordChan = make(chan [2]string, 1024)
@@ -81,7 +88,7 @@ func (p *Parser) ParseStream(userInChan, srvInChan <-chan []byte) (userOut, srvO
 			close(p.srvOutputChan)
 			_ = p.cmdOutputParser.Close()
 			_ = p.cmdInputParser.Close()
-			logger.Debug("Parser parse stream routine done")
+			logger.Infof("Session %s parser routine done", p.id)
 		}()
 		for {
 			select {

pkg/proxy/parsercmd.go

@@ -12,13 +12,16 @@ import (
 
 var ps1Pattern = regexp.MustCompile(`^\[?.*@.*\]?[\\$#]\s|mysql>\s`)
 
-func NewCmdParser() *CmdParser {
-	parser := &CmdParser{}
+func NewCmdParser(sid, name string) *CmdParser {
+	parser := &CmdParser{id: sid, name:name}
 	parser.initial()
 	return parser
 }
 
 type CmdParser struct {
+	id   string
+	name string
+
 	term          *utils.Terminal
 	reader        io.ReadCloser
 	writer        io.WriteCloser
@@ -62,8 +65,8 @@ func (cp *CmdParser) initial() {
 	cp.term = utils.NewTerminal(cp, "")
 	cp.term.SetEcho(false)
 	go func() {
-		logger.Debug("command Parser start")
-		defer logger.Debug("command Parser close")
+		logger.Infof("Session %s: %s start", cp.id, cp.name)
+		defer logger.Infof("Session %s: %s parser close", cp.id, cp.name)
 	inloop:
 		for {
 			line, err := cp.term.ReadLine()

pkg/proxy/proxy.go

@@ -212,17 +212,20 @@ func (p *ProxyServer) Proxy() {
 	if !p.preCheckRequisite() {
 		return
 	}
-	srvConn, err := p.getServerConn()
-	// 连接后端服务器失败
-	if err != nil {
-		p.sendConnectErrorMsg(err)
-		return
-	}
 	// 创建Session
 	sw, err := CreateSession(p)
 	if err != nil {
+		logger.Error("Create session failed.")
 		return
 	}
 	defer RemoveSession(sw)
+	srvConn, err := p.getServerConn()
+	// 连接后端服务器失败
+	if err != nil {
+		p.sendConnectErrorMsg(err)
+		return
+	}
+	logger.Infof("Session %s bridge start", sw.ID)
 	_ = sw.Bridge(p.UserConn, srvConn)
+	logger.Infof("Session %s bridge end", sw.ID)
 }

pkg/proxy/switch.go

@@ -49,7 +49,7 @@ func (s *SwitchSession) Initial() {
 	s.MaxIdleTime = config.GetConf().MaxIdleTime
 	s.cmdRecorder = NewCommandRecorder(s.ID)
 	s.replayRecorder = NewReplyRecord(s.ID)
-	s.parser = newParser()
+	s.parser = newParser(s.ID)
 	s.ctx, s.cancel = context.WithCancel(context.Background())
 }
 
@@ -63,6 +63,7 @@ func (s *SwitchSession) Terminate() {
 }
 
 func (s *SwitchSession) recordCommand() {
+	logger.Infof("Session %s record command start", s.ID)
 	for command := range s.parser.cmdRecordChan {
 		if command[0] == "" {
 			continue
@@ -70,6 +71,7 @@ func (s *SwitchSession) recordCommand() {
 		cmd := s.generateCommandResult(command)
 		s.cmdRecorder.Record(cmd)
 	}
+	logger.Infof("Session %s record command stop", s.ID)
 }
 
 // generateCommandResult 生成命令结果
@@ -120,7 +122,6 @@ func (s *SwitchSession) SetFilterRules(cmdRules []model.SystemUserFilterRule) {
 func (s *SwitchSession) Bridge(userConn UserConnection, srvConn srvconn.ServerConnection) (err error) {
 	winCh := userConn.WinCh()
 	defer func() {
-		logger.Info("Session bridge done: ", s.ID)
 		_ = userConn.Close()
 		_ = srvConn.Close()
 		s.postBridge()

pkg/proxy/transport.go

-package proxy
-
-import (
-	"io"
-
-	"github.com/jumpserver/koko/pkg/logger"
-)
-
-type Transport interface {
-	io.WriteCloser
-	Name() string
-	Chan() <-chan []byte
-}
-
-type DirectTransport struct {
-	name       string
-	readWriter io.ReadWriteCloser
-	ch         chan []byte
-	closed     bool
-}
-
-func (dt *DirectTransport) Name() string {
-	return dt.name
-}
-
-func (dt *DirectTransport) Write(p []byte) (n int, err error) {
-	return dt.readWriter.Write(p)
-}
-
-func (dt *DirectTransport) Close() error {
-	if dt.closed {
-		return nil
-	}
-	logger.Debug("Close transport")
-	dt.closed = true
-	return dt.readWriter.Close()
-}
-
-func (dt *DirectTransport) Chan() <-chan []byte {
-	return dt.ch
-}
-
-func (dt *DirectTransport) Keep() {
-	for {
-		buf := make([]byte, 1024)
-		n, err := dt.readWriter.Read(buf)
-		if err != nil {
-			_ = dt.Close()
-			break
-		}
-		dt.ch <- buf[:n]
-	}
-	close(dt.ch)
-}
-
-func NewDirectTransport(name string, readWriter io.ReadWriteCloser) Transport {
-	ch := make(chan []byte, 1024)
-	tr := DirectTransport{readWriter: readWriter, ch: ch}
-	go tr.Keep()
-	return &tr
-}

pkg/proxy/userconn.go

@@ -8,6 +8,7 @@ import (
 
 type UserConnection interface {
 	io.ReadWriteCloser
+	ID() string
 	WinCh() <-chan ssh.Window
 	LoginFrom() string
 	RemoteAddr() string

pkg/sshd/server.go

@@ -51,5 +51,5 @@ func StopServer() {
 	if err != nil {
 		logger.Errorf("SSH server close failed: %s", err.Error())
 	}
-	logger.Debug("Close ssh server")
+	logger.Info("Close ssh server")
 }