Add debug logging for TLS termination troubleshooting

- Add detailed logging in handleHTTPConnection to trace execution
- Add logging in handleHTTP to confirm request processing
- Helps diagnose connection issues in privileged mode
- No functional changes, only improved observability

Co-authored-by: f0ssel <[email protected]>

Author: blink-so[bot]

proxy/proxy.go

@@ -131,6 +131,8 @@ func (p *Server) Stop() error {
 
 // handleHTTP handles regular HTTP requests and CONNECT tunneling
 func (p *Server) handleHTTP(w http.ResponseWriter, r *http.Request) {
+	p.logger.Debug("handleHTTP called", "method", r.Method, "url", r.URL.String(), "host", r.Host)
+	
 	// Handle CONNECT method for HTTPS tunneling
 	if r.Method == "CONNECT" {
 		p.handleConnect(w, r)
@@ -529,21 +531,29 @@ func (p *Server) handleTLSTermination(conn net.Conn, firstByte []byte) {
 
 // handleHTTPConnection handles regular HTTP connections
 func (p *Server) handleHTTPConnection(conn net.Conn, firstByte []byte) {
+	p.logger.Debug("Starting HTTP connection handling")
+	
 	// Create a connection that prepends the first byte we already read
 	connWithFirstByte := &connectionWithPrefix{
 		Conn: conn,
 		prefix: firstByte,
 	}
 
+	p.logger.Debug("Created connection wrapper, starting HTTP server")
+	
 	// Create HTTP server to handle this connection
 	server := &http.Server{
 		Handler: http.HandlerFunc(p.handleHTTP),
 	}
 
+	p.logger.Debug("About to serve HTTP connection")
+	
 	// Serve the HTTP request
 	err := server.Serve(&singleConnListener{conn: connWithFirstByte})
 	if err != nil && err != io.EOF && !isConnectionClosed(err) {
 		p.logger.Debug("HTTP connection error", "error", err)
+	} else {
+		p.logger.Debug("HTTP connection completed successfully")
 	}
 }