kernel/mod-sign.sh
Justin M. Forbes b41e8da84d kernel-5.9.0-0.rc3.1
* Mon Aug 31 2020 Fedora Kernel Team <kernel-team@fedoraproject.org> [5.9.0-0.rc3.1]
- v5.9-rc3 rebase
- Updated changelog for the release based on 1127b219ce94 (Fedora Kernel Team)
Resolves: rhbz#

Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
2020-08-31 08:06:52 -05:00

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#! /bin/bash
# The modules_sign target checks for corresponding .o files for every .ko that
# is signed. This doesn't work for package builds which re-use the same build
# directory for every flavour, and the .config may change between flavours.
# So instead of using this script to just sign lib/modules/$KernelVer/extra,
# sign all .ko in the buildroot.
# This essentially duplicates the 'modules_sign' Kbuild target and runs the
# same commands for those modules.
MODSECKEY=$1
MODPUBKEY=$2
moddir=$3
modules=$(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 "$modules" | sort -R | head -n 1)
if [ "~Module signature appended~" != "$(tail -c 28 "$RANDOMMOD")" ]; then
echo "*****************************"
echo "*** Modules are unsigned! ***"
echo "*****************************"
exit 1
fi
exit 0