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ba196edbd2
once it is lost, all data is gone. Option '-B none' can by used to prevent backup. Option '-B path' can be used to backup metadata to a different file than the default, which is /var/backups/<prov>.eli. The 'geli init' command also prints backup file location and gives short procedure how to restore metadata. The 'geli setkey' command now warns that even after passphrase change or keys update there could be version of the master key encrypted with old keys/passphrase in the backup file. Add regression tests to verify that new functionality works as expected. Update other regression tests so they don't create backup files. Reviewed by: keramida, rink Dedicated to: a friend who lost 400GB of his live by accidentally overwritting geli metadata MFC after: 2 weeks
157 lines
3.4 KiB
Bash
157 lines
3.4 KiB
Bash
#!/bin/sh
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# $FreeBSD$
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base=`basename $0`
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no=45
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sectors=100
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rnd=`mktemp /tmp/$base.XXXXXX` || exit 1
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keyfile1=`mktemp /tmp/$base.XXXXXX` || exit 1
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keyfile2=`mktemp /tmp/$base.XXXXXX` || exit 1
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keyfile3=`mktemp /tmp/$base.XXXXXX` || exit 1
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keyfile4=`mktemp /tmp/$base.XXXXXX` || exit 1
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keyfile5=`mktemp /tmp/$base.XXXXXX` || exit 1
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mdconfig -a -t malloc -s `expr $sectors + 1` -u $no || exit 1
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echo "1..16"
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dd if=/dev/random of=${rnd} bs=512 count=${sectors} >/dev/null 2>&1
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hash1=`dd if=${rnd} bs=512 count=${sectors} 2>/dev/null | md5`
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dd if=/dev/random of=${keyfile1} bs=512 count=16 >/dev/null 2>&1
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dd if=/dev/random of=${keyfile2} bs=512 count=16 >/dev/null 2>&1
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dd if=/dev/random of=${keyfile3} bs=512 count=16 >/dev/null 2>&1
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dd if=/dev/random of=${keyfile4} bs=512 count=16 >/dev/null 2>&1
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dd if=/dev/random of=${keyfile5} bs=512 count=16 >/dev/null 2>&1
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geli init -B none -P -K $keyfile1 md${no}
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geli attach -p -k $keyfile1 md${no}
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dd if=${rnd} of=/dev/md${no}.eli bs=512 count=${sectors} 2>/dev/null
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rm -f $rnd
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hash2=`dd if=/dev/md${no}.eli bs=512 count=${sectors} 2>/dev/null | md5`
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# Change current key (0) for attached provider.
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geli setkey -P -K $keyfile2 md${no}
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if [ $? -eq 0 ]; then
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echo "ok 1"
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else
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echo "not ok 1"
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fi
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geli detach md${no}
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# We cannot use keyfile1 anymore.
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geli attach -p -k $keyfile1 md${no} 2>/dev/null
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if [ $? -ne 0 ]; then
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echo "ok 2"
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else
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echo "not ok 2"
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fi
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# Attach with new key.
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geli attach -p -k $keyfile2 md${no}
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if [ $? -eq 0 ]; then
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echo "ok 3"
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else
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echo "not ok 3"
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fi
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hash3=`dd if=/dev/md${no}.eli bs=512 count=${sectors} 2>/dev/null | md5`
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# Change key 1 for attached provider.
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geli setkey -n 1 -P -K $keyfile3 md${no}
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if [ $? -eq 0 ]; then
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echo "ok 4"
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else
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echo "not ok 4"
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fi
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geli detach md${no}
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# Attach with key 1.
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geli attach -p -k $keyfile3 md${no}
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if [ $? -eq 0 ]; then
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echo "ok 5"
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else
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echo "not ok 5"
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fi
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hash4=`dd if=/dev/md${no}.eli bs=512 count=${sectors} 2>/dev/null | md5`
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geli detach md${no}
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# Change current (1) key for detached provider.
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geli setkey -p -k $keyfile3 -P -K $keyfile4 md${no}
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if [ $? -eq 0 ]; then
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echo "ok 6"
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else
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echo "not ok 6"
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fi
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# We cannot use keyfile3 anymore.
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geli attach -p -k $keyfile3 md${no} 2>/dev/null
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if [ $? -ne 0 ]; then
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echo "ok 7"
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else
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echo "not ok 7"
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fi
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# Attach with key 1.
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geli attach -p -k $keyfile4 md${no}
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if [ $? -eq 0 ]; then
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echo "ok 8"
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else
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echo "not ok 8"
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fi
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hash5=`dd if=/dev/md${no}.eli bs=512 count=${sectors} 2>/dev/null | md5`
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geli detach md${no}
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# Change key 0 for detached provider.
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geli setkey -n 0 -p -k $keyfile4 -P -K $keyfile5 md${no}
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if [ $? -eq 0 ]; then
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echo "ok 9"
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else
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echo "not ok 9"
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fi
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# We cannot use keyfile2 anymore.
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geli attach -p -k $keyfile2 md${no} 2>/dev/null
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if [ $? -ne 0 ]; then
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echo "ok 10"
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else
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echo "not ok 10"
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fi
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# Attach with key 0.
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geli attach -p -k $keyfile5 md${no}
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if [ $? -eq 0 ]; then
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echo "ok 11"
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else
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echo "not ok 11"
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fi
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hash6=`dd if=/dev/md${no}.eli bs=512 count=${sectors} 2>/dev/null | md5`
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geli detach md${no}
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if [ ${hash1} = ${hash2} ]; then
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echo "ok 12"
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else
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echo "not ok 12"
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fi
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if [ ${hash1} = ${hash3} ]; then
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echo "ok 13"
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else
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echo "not ok 13"
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fi
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if [ ${hash1} = ${hash4} ]; then
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echo "ok 14"
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else
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echo "not ok 14"
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fi
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if [ ${hash1} = ${hash5} ]; then
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echo "ok 15"
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else
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echo "not ok 15"
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fi
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if [ ${hash1} = ${hash6} ]; then
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echo "ok 16"
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else
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echo "not ok 16"
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fi
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mdconfig -d -u $no
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rm -f $keyfile1 $keyfile2 $keyfile3 $keyfile4 $keyfile5
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