libimobiledevice has support for it (see filerelaytest.c): http://www.libimobiledevice.org/ http://www.libimobiledevice.org/ edit: com.apple.mobile.house_arre

libimobiledevice has support for it (see filerelaytest.c): http://www.libimobiledevice.org/ http://www.libimobiledevice.org/ edit: com.apple.mobile.house_arrest also exposes much more than you see in iTunes; there are various applications to use it, such as iExplorer.