added ramtest script

This commit is contained in:
zeus 2024-06-14 17:34:59 +02:00
parent bdaf92537e
commit 4bc5902b27

61
still_below_one_page/ramtest.sh Executable file
View File

@ -0,0 +1,61 @@
#!/bin/bash
# This script is meant to find ram-errors via the
# use of LUKS.
# Usage: ./ramtest.sh <numberOfRuns>
if
which pwgen >/dev/null && which dd >/dev/null && which cryptsetup >/dev/null
then
echo "pwgen, dd and luks available. Continue."
else
echo "pwgen, dd and/or luks not installed. Aborting."
exit 1
fi
if [[ -n $1 ]] && [[ $1 =~ ^[0-9]+$ ]]
then
COUNT=$1
echo "Number of runs is $COUNT"
else
echo "Value not a number or no value given"
exit 1
fi
TMPDIR=$(mktemp -d)
echo "Creating temp-dir $TMPDIR"
PW=$(pwgen 64 -1)
PWFILE="$TMPDIR/pw"
echo $PW > $PWFILE
echo "Creating temporary image with the size 1000MB"
dd if=/dev/urandom of=$TMPDIR/ramtest.img bs=1M count=1000 2>/dev/null
echo "Formatting image with luks"
cryptsetup luksFormat $TMPDIR/ramtest.img < $PWFILE
> $TMPDIR/log
for i in $(seq 1 $COUNT)
do
echo "Run number $i of $COUNT"
cryptsetup luksOpen --test-passphrase $TMPDIR/ramtest.img < $PWFILE 2>/dev/null
RES=$?
if [[ $RES -eq 0 ]]
then
echo "0" >> $TMPDIR/log
else
echo "1" >> $TMPDIR/log
fi
unset RES
done
echo -e "\n\
Result: \n\
Number of runs: $COUNT \n\
Successful runs: $(grep ^0$ $TMPDIR/log | wc -l) \n\
Unsuccessful runs: $(grep ^1$ $TMPDIR/log | wc -l) \n"
echo "Removing temp-dir $TMPDIR"
rm -Rf $TMPDIR
exit 0