ui_print("su binary 3.1 for Android 2.0-4.1 arm");
ui_print("Mounting system...");
run_program("/sbin/busybox", "mount", "/system");
ui_print("Deleting old files...");
delete("/system/bin/su","/system/xbin/su");
ui_print("Copying files...");
package_extract_dir("system", "/system");
ui_print("Fixing permissions...");
set_perm(0, 0, 06755, "/system/bin/su");
ui_print("Symlinking...");
symlink("/system/bin/su", "/system/xbin/su");
ui_print("Unmounting system...");
run_program("/sbin/busybox", "umount", "/system");