kernel/mod-sign.sh
Justin M. Forbes 6a1a2b0581
kernel-6.5.0-0.rc7.20230822gitf7757129e3de.51
* Tue Aug 22 2023 Fedora Kernel Team <kernel-team@fedoraproject.org> [6.5.0-0.rc7.f7757129e3de.51.eln130]
- redhat/configs: Enable CONFIG_DEVICE_PRIVATE on aarch64 (David Hildenbrand) [2231407]
- redhat/configs: disable CONFIG_ROCKCHIP_ERRATUM_3588001 for RHEL (Mark Salter)
- redhat: shellcheck fixes (Prarit Bhargava)
Resolves: rhbz#2231407

Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
2023-08-22 07:04:59 -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 variant, and the .config may change between variants.
# 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