62 lines
1.4 KiB
Bash
62 lines
1.4 KiB
Bash
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#!/bin/bash
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# This script is meant to find ram-errors via the
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# use of LUKS.
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# Usage: ./ramtest.sh <numberOfRuns>
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if
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which pwgen >/dev/null && which dd >/dev/null && which cryptsetup >/dev/null
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then
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echo "pwgen, dd and luks available. Continue."
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else
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echo "pwgen, dd and/or luks not installed. Aborting."
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exit 1
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fi
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if [[ -n $1 ]] && [[ $1 =~ ^[0-9]+$ ]]
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then
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COUNT=$1
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echo "Number of runs is $COUNT"
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else
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echo "Value not a number or no value given"
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exit 1
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fi
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TMPDIR=$(mktemp -d)
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echo "Creating temp-dir $TMPDIR"
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PW=$(pwgen 64 -1)
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PWFILE="$TMPDIR/pw"
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echo $PW > $PWFILE
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echo "Creating temporary image with the size 1000MB"
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dd if=/dev/urandom of=$TMPDIR/ramtest.img bs=1M count=1000 2>/dev/null
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echo "Formatting image with luks"
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cryptsetup luksFormat $TMPDIR/ramtest.img < $PWFILE
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> $TMPDIR/log
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for i in $(seq 1 $COUNT)
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do
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echo "Run number $i of $COUNT"
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cryptsetup luksOpen --test-passphrase $TMPDIR/ramtest.img < $PWFILE 2>/dev/null
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RES=$?
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if [[ $RES -eq 0 ]]
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then
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echo "0" >> $TMPDIR/log
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else
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echo "1" >> $TMPDIR/log
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fi
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unset RES
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done
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echo -e "\n\
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Result: \n\
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Number of runs: $COUNT \n\
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Successful runs: $(grep ^0$ $TMPDIR/log | wc -l) \n\
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Unsuccessful runs: $(grep ^1$ $TMPDIR/log | wc -l) \n"
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echo "Removing temp-dir $TMPDIR"
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rm -Rf $TMPDIR
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exit 0
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