2011/1/13 Roger <rogerx.oss@xxxxxxxxx>: > On Thu, Jan 13, 2011 at 12:39:43AM -0900, Roger wrote: >>On Thu, Jan 13, 2011 at 04:22:17PM +0800, Aaron Lewis wrote: >>>-----BEGIN PGP SIGNED MESSAGE----- >>>Hash: SHA1 >>> >>>I didn't follow this thread , but if you just want an simple device >>>auto-mounter and un-mounter , you should try out kernel auto mounter >>>rather than a simple script. >> >>I got an email also about using the kernel automounter. Just haven't had the >>time to test and follow-up on this. >> > > Found something at the following link. The only issue I now have is > working around not using a keyfile and trying to integrate into using something > like pinentry on CLI on demand. > > Thanks for the help! > > > http://www.debian-administration.org/articles/127 > (Posted by ste (81.174.xx.xx) on Tue 19 Jun 2007 at 18:09) > > ---snip--- > In order to avoid opening the hotplug box, I just hacked up this autofs script. It meets my needs so someone else may find it of use too. It will automount an encrypted block device at /dev/sdb using whatever name you choose. The key files with a corresponding name in /etc is used to decrypt the device. > > I have a set of removable hard drives that are used for backup (RDX QuikStor). With the following configuration I can insert a cartridge and the backup software (Bacula) can just mount it, making the encryption transparent to it. > > The mapping for the 'cd' key also appears in this script. That's there because I'm mounting this at /media and hijacking the original, static /etc/auto.media. In /etc/auto.master: > > /media /etc/auto.media > > In /etc/auto.media: > > #!/bin/bash > > # This is the path beneath this map's root that autofs is looking for > key="$1" > > # A static mapping for the key 'cd' > # This is what /etc/auto.media used to do statically > if [ "$key" == "cd" ]; then > echo -fstype=iso9660,ro,nosuid,nodev / :/dev/cdrom > exit 0 > fi > > # The cryptsetup tool from the package of the same name > CRYPTSETUP=/sbin/cryptsetup > > # This is the raw device that we will mount > mount_device=/dev/sdb > > # This is the encryption key file > key_file=/etc/quikstor.key > > # Options to pass to the cryptsetup tool > luks_opts="--key-file $key_file" > > # Mount options for the encrypted fileystem > mount_opts="-fstype=xfs,defaults" > > # The mapped block device > crypt_device=/dev/mapper/$key > > # Give up if there is no key or setup tool > [ -r $key_file ] || exit 0 > [ -x $CRYPTSETUP ] || exit 0 > > # If there is an encrypted device mapped in already, it must be from a > # previous mount. It may be out-of-date so remove it now. > [ -b $crypt_device ] && $CRYPTSETUP remotve $key > > # Give up if the raw device doesn't have a LUKS header > $CRYPTSETUP isLuks $mount_device || exit 0 > > # Open the encrypted block device > $CRYPTSETUP luksOpen $mount_device $key $luks_opts >& /dev/null || exit 1 > > # If we ended up with a block device, echo a mount line for autofs to use > if [ -b $crypt_device ]; then > echo $mount_opts / $crypt_device > fi > ---snip--- > great thanks. much better solution than my inotify script (which even cannot work for your problem) ;-) _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
