113 lines
3.5 KiB
Bash
Executable File
113 lines
3.5 KiB
Bash
Executable File
#!/bin/sh
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set -e
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srcdir="$1"
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objects="$2"
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log="$3"
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shift 3
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dkms_dir="$1"
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abi_flavour="$2"
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sign="$3"
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pkgname="$4"
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pkgdir="$5"
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dbgpkgdir="$6"
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package="$7"
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shift 7
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build="$( dirname "$objects" )/build"
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# Copy over the objects ready for reconstruction. The objects copy
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# contains the *.o files. For our purposes we only want the *.o files,
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# elide the rest. And .mod files for ld linking in recentish kernels.
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mkdir -p "$pkgdir/bits/scripts"
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(
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gcc_variant1=$(gcc --version | head -1 | sed -e 's/^gcc/GCC:/')
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gcc_variant2=$(gcc --version | head -1 | sed -e 's/^\(gcc\) \((.*)\) \(.*\)$/\1 version \3 \2/')
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cd "$objects" || exit 1
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find -name \*.o -o -name \*.mod | \
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while read file
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do
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cp --parents "$file" "$pkgdir/bits"
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"$srcdir/debian/scripts/fix-filenames" "$pkgdir/bits/$file" "$gcc_variant1"
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"$srcdir/debian/scripts/fix-filenames" "$pkgdir/bits/$file" "$gcc_variant2"
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done
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)
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# Install the support files we need.
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echo "II: copying support files ..."
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for lds_src in \
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"$dkms_dir/headers/linux-headers-$abi_flavour/scripts/module.lds" \
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"/usr/src/linux-headers-$abi_flavour/scripts/module.lds" \
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"$dkms_dir/headers/linux-headers-$abi_flavour/scripts/module-common.lds" \
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"/usr/src/linux-headers-$abi_flavour/scripts/module-common.lds"
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do
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[ ! -f "$lds_src" ] && continue
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echo "II: copying support files ... found $lds_src"
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cp "$lds_src" "$pkgdir/bits/scripts"
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break
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done
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# Build helper scripts.
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cat - <<'EOL' >"$pkgdir/bits/BUILD"
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[ "$1" = "unsigned" ] && { signed_only=:; shift; }
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[ "$1" = "nocheck" ] && { check_only=:; shift; }
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EOL
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grep /usr/bin/ld.bfd "$log" | grep -v scripts/genksyms/genksyms | grep -v "warning:\|NOTE:" | sed -e "s@$build/@@g" >>"$pkgdir/bits/BUILD"
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sed -e 's/.*-o *\([^ ]*\) .*/rm -f \1/g' <"$pkgdir/bits/BUILD" >"$pkgdir/bits/CLEAN"
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# As the builds contain the absolute filenames as used. Use RECONSTRUCT to
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# rebuild the .ko's, sign them, pull off the signatures and then finally clean
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# up again.
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(
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cd "$pkgdir/bits"
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# Add checksum check.
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echo "\$check_only sha256sum -c SHA256SUMS || exit 1" >>"$pkgdir/bits/BUILD"
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# Add .ko handling to the CLEAN/BUILD dance.
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for ko in "$pkgdir"/*.ko
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do
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ko=$(basename "$ko")
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echo "\$signed_only cat '$ko' '$ko.sig' >'../$ko'" >>"$pkgdir/bits/BUILD"
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echo "\$signed_only rm -f '$ko'" >>"$pkgdir/bits/BUILD"
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echo "rm -f '../$ko'" >>"$pkgdir/bits/CLEAN"
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done
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# Clear out anything we are not going to distribute and build unsigned .kos.
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sh ./CLEAN
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sh ./BUILD unsigned nocheck
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if [ "$sign" = "--custom" ]; then
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# We are building for and archive custom signing upload. Keep everything.
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:
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elif [ "$sign" = "--lrm" ]; then
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# We are in the LRM build; grab sha256 checksums and clean up.
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sha256sum -b *.ko >"SHA256SUMS"
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sh ./CLEAN
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else
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# We are in the main kernel, put the .kos together as we will
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# on the users machine, sign them, and keep just the signature.
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: >"SHA256SUMS"
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for ko in *.ko
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do
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echo "detached-signature $ko"
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$sign "$ko" "$ko.signed"
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length=$( stat --format %s "$ko" )
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dd if="$ko.signed" of="$ko.sig" bs=1 skip="$length" 2>/dev/null
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rm -f "$ko.signed"
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# Keep a checksum of the pre-signed object so we can check it is
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# built correctly in LRM.
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sha256sum -b "$ko" >>"SHA256SUMS"
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done
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# Clean out anything which not a signature.
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mv "$pkgdir/bits/"*.sig "$pkgdir"
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mv "$pkgdir/bits/SHA256SUMS" "$pkgdir"
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find "$pkgdir" -name \*.sig -prune -o -name SHA256SUMS -prune -o -type f -print | xargs rm -f
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find "$pkgdir" -depth -type d -print | xargs rmdir --ignore-fail-on-non-empty
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fi
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)
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