On Sat, Nov 18, 2006 at 03:35:47PM +0100, Max Vozeler wrote: > Hi Jari, > > On Tue, Nov 14, 2006 at 09:58:43AM +0200, Jari Ruusu wrote: > > There have been few cases where v3 key file and v2 losetup/mount were > > used to set up a file system, and after upgrade to v3 losetup/mount, > > mounting the file system failed. There is a warning about this problem > > in loop-AES README file, but not everyone reads README files. > > > > May I suggest adding a check that losetup is recent enough. Something > > like this: > > > strings /sbin/losetup | grep -q -s multi-key-v3 > > if [ $? != 0 ] ; then > > echo "too old losetup version" > > fi > > Indeed, that's a useful check. Given that strings(1) is part > of binutils, which may not be installed on all systems, I made it > run only if strings can be found. Thanks for your suggestion. why strings? "grep -a" works since ages and saves one command. Richard - Linux-crypto: cryptography in and on the Linux system Archive: http://mail.nl.linux.org/linux-crypto/
