Ensure run.sh is present in the container by copying it if missing

helper.sh

@@ -1,23 +1,39 @@
 #!/bin/bash
 
+ensure_run_script_exists() {
+    # Check if run.sh exists in the container, if not copy it again
+    if [ ! -f "$HOME/run.sh" ]; then
+        cp /run.sh "$HOME/run.sh"
+        chmod +x "$HOME/run.sh"
+    fi
+}
+
 # Parse port configuration
 parse_ports() {
     local config_file="$HOME/vps.config"
     local port_args=""
 
-    while read -r line; do
-        case "$line" in
-            internalip=*) ;;
-            port[0-9]*=*)
-                port=${line#*=}
-                if [ -n "$port" ]; then port_args=" -p $port:$port$port_args"; fi
-            ;;
-            port=*)
-                port=${line#*=}
-                if [ -n "$port" ]; then port_args=" -p $port:$port$port_args"; fi
-            ;;
-        esac
-    done <"$config_file"
+    # Check if config file exists
+    if [ ! -f "$config_file" ]; then
+        return
+    fi
+
+    while IFS='=' read -r key value; do
+        [[ -z "$key" || "$key" =~ ^[[:space:]]*# ]] && continue
+
+        key=$(echo "$key" | tr -d '[:space:]')
+        value=$(echo "$value" | tr -d '[:space:]')
+
+        [ "$key" = "internalip" ] && continue
+
+        if [[ "$key" =~ ^port[0-9]*$ ]] && [ -n "$value" ]; then
+            if [[ "$value" =~ ^[0-9]+$ ]] && [ "$value" -ge 1 ] && [ "$value" -le 65535 ]; then
+                port_args="$port_args -p $value:$value"
+            fi
+        fi
+    done < "$config_file"
+
+    echo "$port_args"
 }
 
 # Execute PRoot environment
@@ -33,4 +49,6 @@ exec_proot() {
     /bin/sh "/run.sh"
 }
 
+ensure_run_script_exists
+
 exec_proot