forked from pool/cryptsetup
57 lines
1.5 KiB
Bash
57 lines
1.5 KiB
Bash
#!/bin/bash
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#
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#%stage: crypto
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#
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if [ -x /sbin/cryptsetup -a -x /sbin/dmsetup ] ; then
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luks_blockdev=
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# bd holds the device we see the decrypted LUKS partition as
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for bd in $blockdev ; do
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luks_name=
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update_blockdev $bd
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luks_blockmajor=$blockmajor
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luks_blockminor=$blockminor
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# luksbd holds the device, LUKS is running on
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for luksbd in $(dm_resolvedeps $bd); do # should only be one for luks
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[ $? -eq 0 ] || return 1
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update_blockdev $luksbd
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if /sbin/cryptsetup isLuks $luksbd 2>/dev/null; then
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root_luks=1
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tmp_root_dm=1 # luks needs dm
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luks_name="$(dmsetup -c info -o name --noheadings -j $luks_blockmajor -m $luks_blockminor)"
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eval luks_${luks_name}=$(beautify_blockdev ${luksbd})
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save_var luks_${luks_name}
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luks="$luks $luks_name"
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luks_blockdev="$luks_blockdev $luksbd"
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fi
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done
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if [ ! "$luks_name" ]; then # no luks found
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luks_blockdev="$luks_blockdev $bd"
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fi
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done
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blockdev="$luks_blockdev"
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fi
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if [ "$root_luks" ]; then
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case $LANG in
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en*)
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/* We only support english keyboard layout currently */
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;;
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*)
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echo "Only english keyboard layout supported."
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echo "Please ensure that the password is typed correctly."
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luks_lang=$LANG
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;;
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esac
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for m in $(cat /proc/crypto | grep module | sed 's/^module .*: \(.*\)$/\1/'); do
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cryptmodules="$cryptmodules $m"
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done
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fi
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save_var root_luks # do we have luks?
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save_var luks # which names do the luks devices have?
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save_var cryptmodules # required kernel modules for crypto setup
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save_var luks_lang # original language settings
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