fix: resolve nil pointer dereference in interaction on TLS request

docker-compose.yaml

@@ -0,0 +1,23 @@
+services:
+  tunnlpls:
+    image: git.fossy.my.id/bagas/tunnl_please:staging
+    ports:
+      - 80:80
+      - 2200:2200
+    volumes:
+      - ./certs:/certs
+#      - /etc/letsencrypt/live/sgp.tunnl.live/fullchain.pem:/certs/fullchain.pem
+#      - /etc/letsencrypt/live/sgp.tunnl.live/privkey.pem:/certs/privkey.pem
+    labels:
+      - "com.centurylinklabs.watchtower.enable=true"
+    environment:
+      domain: sgp.tunnl.live
+      port: 2200
+      tls_enabled: true
+      tls_redirect: true
+      cert_loc: /certs/localhost.direct.SS.crt
+      key_loc: /certs/localhost.direct.SS.key
+      ssh_private_key: /certs/id_rsa
+      cors_list: https://tunnl.live
+      ALLOWED_PORTS: 10000-50000
+    restart: always

server/http.go

@@ -11,11 +11,13 @@ import (
 	"regexp"
 	"strings"
 	"tunnel_pls/session"
-	"tunnel_pls/session/interaction"
 	"tunnel_pls/types"
 	"tunnel_pls/utils"
 )
 
+type Interaction interface {
+	SendMessage(message string)
+}
 type CustomWriter struct {
 	RemoteAddr  net.Addr
 	writer      io.Writer
@@ -24,13 +26,13 @@ type CustomWriter struct {
 	buf         []byte
 	respHeader  *ResponseHeaderFactory
 	reqHeader   *RequestHeaderFactory
-	interaction interaction.Controller
+	interaction Interaction
 	respMW      []ResponseMiddleware
 	reqStartMW  []RequestMiddleware
 	reqEndMW    []RequestMiddleware
 }
 
-func (cw *CustomWriter) SetInteraction(interaction interaction.Controller) {
+func (cw *CustomWriter) SetInteraction(interaction Interaction) {
 	cw.interaction = interaction
 }
 
@@ -176,7 +178,7 @@ func (cw *CustomWriter) Write(p []byte) (int, error) {
 	return n, nil
 }
 
-func (cw *CustomWriter) AddInteraction(interaction *interaction.Interaction) {
+func (cw *CustomWriter) AddInteraction(interaction Interaction) {
 	cw.interaction = interaction
 }
 

server/https.go

@@ -112,7 +112,7 @@ func HandlerTLS(conn net.Conn) {
 		return
 	}
 	cw := NewCustomWriter(conn, dstReader, conn.RemoteAddr())
-
+	cw.SetInteraction(sshSession.Interaction)
 	forwardRequest(cw, reqhf, sshSession)
 	return
 }

server/middleware.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"net"
 	"time"
-	"tunnel_pls/session/interaction"
 )
 
 type RequestMiddleware interface {
@@ -29,20 +28,22 @@ func (h *TunnelFingerprint) HandleResponse(header *ResponseHeaderFactory, body [
 }
 
 type RequestLogger struct {
-	interaction interaction.Controller
+	interaction Interaction
 	remoteAddr  net.Addr
 }
 
-func NewRequestLogger(interaction interaction.Controller, remoteAddr net.Addr) *RequestLogger {
+func NewRequestLogger(interaction Interaction, remoteAddr net.Addr) *RequestLogger {
 	return &RequestLogger{
 		interaction: interaction,
 		remoteAddr:  remoteAddr,
 	}
 }
+
 func (rl *RequestLogger) HandleRequest(header *RequestHeaderFactory) error {
 	rl.interaction.SendMessage(fmt.Sprintf("\033[32m%s %s -> %s %s \033[0m\r\n", time.Now().UTC().Format(time.RFC3339), rl.remoteAddr.String(), header.Method, header.Path))
 	return nil
 }
+
 func (rl *RequestLogger) HandleResponse(header *ResponseHeaderFactory, body []byte) error { return nil }
 
 //TODO: Implement caching atau enggak