#! /bin/bash

MODSECKEY="./signing_key.priv"

MODPUBKEY="./signing_key.x509"

moddir=$1

modules=`find $moddir -type f -name '*.ko'`

NPROC=`nproc`

[ -z "$NPROC" ] && NPROC=1

# NB: this loop runs 2000+ iterations. Try to be fast.

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

" DUMMYARG0   # xargs appends ARG1 ARG2..., which go into $mod in for loop.

RANDOMMOD=$(echo "$modules" | sort -R | tail -n 1)

if [ "~Module signature appended~" != "$(tail -c 28 $RANDOMMOD)" ]; then

	echo "*** Modules are unsigned! ***"

	exit 1

fi

exit 0