Merge remote-tracking branch 'upstream/dev' into dev

pkg/config/flags.go

@@ -167,6 +167,7 @@ func RegisterClientCommonConfigFlags(cmd *cobra.Command, c *v1.ClientCommonConfi
 		c.Transport.TLS.Enable = cmd.PersistentFlags().BoolP("tls_enable", "", true, "enable frpc tls")
 	}
 	cmd.PersistentFlags().StringVarP(&c.User, "user", "u", "", "user")
+	cmd.PersistentFlags().StringVar(&c.ClientID, "client-id", "", "unique identifier for this frpc instance")
 	cmd.PersistentFlags().StringVarP(&c.Auth.Token, "token", "t", "", "auth token")
 }
 

pkg/config/v1/client.go

@@ -37,6 +37,8 @@ type ClientCommonConfig struct {
 	// clients. If this value is not "", proxy names will automatically be
 	// changed to "{user}.{proxy_name}".
 	User string `json:"user,omitempty"`
+	// ClientID uniquely identifies this frpc instance.
+	ClientID string `json:"clientID,omitempty"`
 
 	// ServerAddr specifies the address of the server to connect to. By
 	// default, this value is "0.0.0.0".

pkg/metrics/aggregate/server.go

@@ -56,9 +56,9 @@ func (m *serverMetrics) CloseClient() {
 	}
 }
 
-func (m *serverMetrics) NewProxy(name string, proxyType string) {
+func (m *serverMetrics) NewProxy(name string, proxyType string, user string, clientID string) {
 	for _, v := range m.ms {
-		v.NewProxy(name, proxyType)
+		v.NewProxy(name, proxyType, user, clientID)
 	}
 }
 

pkg/metrics/mem/server.go

@@ -98,7 +98,7 @@ func (m *serverMetrics) CloseClient() {
 	m.info.ClientCounts.Dec(1)
 }
 
-func (m *serverMetrics) NewProxy(name string, proxyType string) {
+func (m *serverMetrics) NewProxy(name string, proxyType string, user string, clientID string) {
 	m.mu.Lock()
 	defer m.mu.Unlock()
 	counter, ok := m.info.ProxyTypeCounts[proxyType]
@@ -119,6 +119,8 @@ func (m *serverMetrics) NewProxy(name string, proxyType string) {
 		}
 		m.info.ProxyStatistics[name] = proxyStats
 	}
+	proxyStats.User = user
+	proxyStats.ClientID = clientID
 	proxyStats.LastStartTime = time.Now()
 }
 
@@ -215,6 +217,8 @@ func (m *serverMetrics) GetProxiesByType(proxyType string) []*ProxyStats {
 		ps := &ProxyStats{
 			Name:            name,
 			Type:            proxyStats.ProxyType,
+			User:            proxyStats.User,
+			ClientID:        proxyStats.ClientID,
 			TodayTrafficIn:  proxyStats.TrafficIn.TodayCount(),
 			TodayTrafficOut: proxyStats.TrafficOut.TodayCount(),
 			CurConns:        int64(proxyStats.CurConns.Count()),
@@ -247,6 +251,8 @@ func (m *serverMetrics) GetProxiesByTypeAndName(proxyType string, proxyName stri
 		res = &ProxyStats{
 			Name:            name,
 			Type:            proxyStats.ProxyType,
+			User:            proxyStats.User,
+			ClientID:        proxyStats.ClientID,
 			TodayTrafficIn:  proxyStats.TrafficIn.TodayCount(),
 			TodayTrafficOut: proxyStats.TrafficOut.TodayCount(),
 			CurConns:        int64(proxyStats.CurConns.Count()),
@@ -262,6 +268,31 @@ func (m *serverMetrics) GetProxiesByTypeAndName(proxyType string, proxyName stri
 	return
 }
 
+func (m *serverMetrics) GetProxyByName(proxyName string) (res *ProxyStats) {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	proxyStats, ok := m.info.ProxyStatistics[proxyName]
+	if ok {
+		res = &ProxyStats{
+			Name:            proxyName,
+			Type:            proxyStats.ProxyType,
+			User:            proxyStats.User,
+			ClientID:        proxyStats.ClientID,
+			TodayTrafficIn:  proxyStats.TrafficIn.TodayCount(),
+			TodayTrafficOut: proxyStats.TrafficOut.TodayCount(),
+			CurConns:        int64(proxyStats.CurConns.Count()),
+		}
+		if !proxyStats.LastStartTime.IsZero() {
+			res.LastStartTime = proxyStats.LastStartTime.Format("01-02 15:04:05")
+		}
+		if !proxyStats.LastCloseTime.IsZero() {
+			res.LastCloseTime = proxyStats.LastCloseTime.Format("01-02 15:04:05")
+		}
+	}
+	return
+}
+
 func (m *serverMetrics) GetProxyTraffic(name string) (res *ProxyTrafficInfo) {
 	m.mu.Lock()
 	defer m.mu.Unlock()

pkg/metrics/mem/types.go

@@ -35,6 +35,8 @@ type ServerStats struct {
 type ProxyStats struct {
 	Name            string
 	Type            string
+	User            string
+	ClientID        string
 	TodayTrafficIn  int64
 	TodayTrafficOut int64
 	LastStartTime   string
@@ -51,6 +53,8 @@ type ProxyTrafficInfo struct {
 type ProxyStatistics struct {
 	Name          string
 	ProxyType     string
+	User          string
+	ClientID      string
 	TrafficIn     metric.DateCounter
 	TrafficOut    metric.DateCounter
 	CurConns      metric.Counter
@@ -78,6 +82,7 @@ type Collector interface {
 	GetServer() *ServerStats
 	GetProxiesByType(proxyType string) []*ProxyStats
 	GetProxiesByTypeAndName(proxyType string, proxyName string) *ProxyStats
+	GetProxyByName(proxyName string) *ProxyStats
 	GetProxyTraffic(name string) *ProxyTrafficInfo
 	ClearOfflineProxies() (int, int)
 }

pkg/metrics/prometheus/server.go

@@ -30,7 +30,7 @@ func (m *serverMetrics) CloseClient() {
 	m.clientCount.Dec()
 }
 
-func (m *serverMetrics) NewProxy(name string, proxyType string) {
+func (m *serverMetrics) NewProxy(name string, proxyType string, _ string, _ string) {
 	m.proxyCount.WithLabelValues(proxyType).Inc()
 	m.proxyCountDetailed.WithLabelValues(proxyType, name).Inc()
 }

pkg/msg/msg.go

@@ -82,6 +82,7 @@ type Login struct {
 	PrivilegeKey string            `json:"privilege_key,omitempty"`
 	Timestamp    int64             `json:"timestamp,omitempty"`
 	RunID        string            `json:"run_id,omitempty"`
+	ClientID     string            `json:"client_id,omitempty"`
 	Metas        map[string]string `json:"metas,omitempty"`
 
 	// Currently only effective for VirtualClient.

pkg/proto/udp/udp.go

@@ -124,8 +124,8 @@ func Forwarder(dstAddr *net.UDPAddr, readCh <-chan *msg.UDPPacket, sendCh chan<-
 			}
 			mu.Unlock()
 
-			// Add proxy protocol header if configured
-			if proxyProtocolVersion != "" && udpMsg.RemoteAddr != nil {
+			// Add proxy protocol header if configured (only for the first packet of a new connection)
+			if !ok && proxyProtocolVersion != "" && udpMsg.RemoteAddr != nil {
 				ppBuf, err := netpkg.BuildProxyProtocolHeader(udpMsg.RemoteAddr, dstAddr, proxyProtocolVersion)
 				if err == nil {
 					// Prepend proxy protocol header to the UDP payload

pkg/sdk/client/client.go

@@ -11,7 +11,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/fatedier/frp/client"
+	"github.com/fatedier/frp/client/api"
 	httppkg "github.com/fatedier/frp/pkg/util/http"
 )
 
@@ -32,7 +32,7 @@ func (c *Client) SetAuth(user, pwd string) {
 	c.authPwd = pwd
 }
 
-func (c *Client) GetProxyStatus(ctx context.Context, name string) (*client.ProxyStatusResp, error) {
+func (c *Client) GetProxyStatus(ctx context.Context, name string) (*api.ProxyStatusResp, error) {
 	req, err := http.NewRequestWithContext(ctx, "GET", "http://"+c.address+"/api/status", nil)
 	if err != nil {
 		return nil, err
@@ -41,7 +41,7 @@ func (c *Client) GetProxyStatus(ctx context.Context, name string) (*client.Proxy
 	if err != nil {
 		return nil, err
 	}
-	allStatus := make(client.StatusResp)
+	allStatus := make(api.StatusResp)
 	if err = json.Unmarshal([]byte(content), &allStatus); err != nil {
 		return nil, fmt.Errorf("unmarshal http response error: %s", strings.TrimSpace(content))
 	}
@@ -55,7 +55,7 @@ func (c *Client) GetProxyStatus(ctx context.Context, name string) (*client.Proxy
 	return nil, fmt.Errorf("no proxy status found")
 }
 
-func (c *Client) GetAllProxyStatus(ctx context.Context) (client.StatusResp, error) {
+func (c *Client) GetAllProxyStatus(ctx context.Context) (api.StatusResp, error) {
 	req, err := http.NewRequestWithContext(ctx, "GET", "http://"+c.address+"/api/status", nil)
 	if err != nil {
 		return nil, err
@@ -64,7 +64,7 @@ func (c *Client) GetAllProxyStatus(ctx context.Context) (client.StatusResp, erro
 	if err != nil {
 		return nil, err
 	}
-	allStatus := make(client.StatusResp)
+	allStatus := make(api.StatusResp)
 	if err = json.Unmarshal([]byte(content), &allStatus); err != nil {
 		return nil, fmt.Errorf("unmarshal http response error: %s", strings.TrimSpace(content))
 	}

pkg/util/http/context.go

@@ -0,0 +1,57 @@
+// Copyright 2025 The frp Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package http
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+type Context struct {
+	Req  *http.Request
+	Resp http.ResponseWriter
+	vars map[string]string
+}
+
+func NewContext(w http.ResponseWriter, r *http.Request) *Context {
+	return &Context{
+		Req:  r,
+		Resp: w,
+		vars: mux.Vars(r),
+	}
+}
+
+func (c *Context) Param(key string) string {
+	return c.vars[key]
+}
+
+func (c *Context) Query(key string) string {
+	return c.Req.URL.Query().Get(key)
+}
+
+func (c *Context) BindJSON(obj any) error {
+	body, err := io.ReadAll(c.Req.Body)
+	if err != nil {
+		return err
+	}
+	return json.Unmarshal(body, obj)
+}
+
+func (c *Context) Body() ([]byte, error) {
+	return io.ReadAll(c.Req.Body)
+}

pkg/util/http/error.go

@@ -0,0 +1,33 @@
+// Copyright 2025 The frp Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package http
+
+import "fmt"
+
+type Error struct {
+	Code int
+	Err  error
+}
+
+func (e *Error) Error() string {
+	return e.Err.Error()
+}
+
+func NewError(code int, msg string) *Error {
+	return &Error{
+		Code: code,
+		Err:  fmt.Errorf("%s", msg),
+	}
+}

pkg/util/http/handler.go

@@ -0,0 +1,66 @@
+// Copyright 2025 The frp Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package http
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/fatedier/frp/pkg/util/log"
+)
+
+type GeneralResponse struct {
+	Code int
+	Msg  string
+}
+
+// APIHandler is a handler function that returns a response object or an error.
+type APIHandler func(ctx *Context) (any, error)
+
+// MakeHTTPHandlerFunc turns a normal APIHandler into a http.HandlerFunc.
+func MakeHTTPHandlerFunc(handler APIHandler) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		ctx := NewContext(w, r)
+		res, err := handler(ctx)
+		if err != nil {
+			log.Warnf("http response [%s]: error: %v", r.URL.Path, err)
+			code := http.StatusInternalServerError
+			if e, ok := err.(*Error); ok {
+				code = e.Code
+			}
+
+			w.Header().Set("Content-Type", "application/json")
+			w.WriteHeader(code)
+			_ = json.NewEncoder(w).Encode(GeneralResponse{Code: code, Msg: err.Error()})
+			return
+		}
+
+		if res == nil {
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+
+		switch v := res.(type) {
+		case []byte:
+			_, _ = w.Write(v)
+		case string:
+			_, _ = w.Write([]byte(v))
+		default:
+			w.Header().Set("Content-Type", "application/json")
+			w.WriteHeader(http.StatusOK)
+			_ = json.NewEncoder(w).Encode(v)
+		}
+	}
+}

pkg/util/http/middleware.go

@@ -0,0 +1,40 @@
+// Copyright 2025 The frp Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package http
+
+import (
+	"net/http"
+
+	"github.com/fatedier/frp/pkg/util/log"
+)
+
+type responseWriter struct {
+	http.ResponseWriter
+	code int
+}
+
+func (rw *responseWriter) WriteHeader(code int) {
+	rw.code = code
+	rw.ResponseWriter.WriteHeader(code)
+}
+
+func NewRequestLogger(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		log.Infof("http request: [%s]", r.URL.Path)
+		rw := &responseWriter{ResponseWriter: w, code: http.StatusOK}
+		next.ServeHTTP(rw, r)
+		log.Infof("http response [%s]: code [%d]", r.URL.Path, rw.code)
+	})
+}

pkg/util/version/version.go

@@ -14,7 +14,7 @@
 
 package version
 
-var version = "LoliaFRP-CLI 0.66.3"
+var version = "LoliaFRP-CLI 0.67.0"
 
 func Full() string {
 	return version