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Clean up and parallelize mod-sign.sh 

Thanks to Denys Vlasenko for this work
This commit is contained in:
Laura Abbott 2019-12-02 14:34:55 -05:00
parent aa92e83bbb
commit 276fd64595
1 changed files with 10 additions and 9 deletions
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19
mod-sign.sh
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@ -11,21 +11,22 @@
MODSECKEY=$1 MODSECKEY=$1
MODPUBKEY=$2 MODPUBKEY=$2
moddir=$3 moddir=$3
modules=`find $moddir -name *.ko` modules=`find $moddir -type f -name '*.ko'`
for mod in $modules NPROC=`nproc`
do [ -z "$NPROC" ] && NPROC=1
dir=`dirname $mod`
file=`basename $mod`
./scripts/sign-file sha256 ${MODSECKEY} ${MODPUBKEY} ${dir}/${file} # NB: this loop runs 2000+ iterations. Try to be fast.
rm -f ${dir}/${file}.{sig,dig} echo "$modules" | xargs -r -n16 -P $NPROC sh -c "
for mod; do
./scripts/sign-file sha256 $MODSECKEY $MODPUBKEY \$mod
rm -f \$mod.sig \$mod.dig
done done
" DUMMYARG0 # xargs appends ARG1 ARG2..., which go into $mod in for loop.
RANDOMMOD=$(find $moddir -type f -name '*.ko' | sort -R | head -n 1) RANDOMMOD=$(echo "$modules" | sort -R | head -n 1)
if [ "~Module signature appended~" != "$(tail -c 28 $RANDOMMOD)" ]; then if [ "~Module signature appended~" != "$(tail -c 28 $RANDOMMOD)" ]; then
echo "*****************************" echo "*****************************"
echo "*** Modules are unsigned! ***" echo "*** Modules are unsigned! ***"