#!/usr/bin/sh

# Get build root
RPM_BUILD_ROOT="${1}"

# If using normal root, avoid changing anything.
if [ -z "$RPM_BUILD_ROOT" -o "$RPM_BUILD_ROOT" = "/" ]; then
	exit 0
fi



# Create temporary file listing files in the manifest
#[ -n "$TMPDIR" ] || TMPDIR="/tmp"
TMPDIR="/tmp"
BIN_PKG_FILES=${TMPDIR}/${3%%.rpm}
cat - > $BIN_PKG_FILES

# Ensure temporary file is cleaned up when we exit
trap "rm -f \"${BIN_PKG_FILES}\"" 0 2 3 5 10 13 15

# File empty, exit
if [ -z $(head -c 1 $BIN_PKG_FILES) ]; then
	exit 0
fi

# Create directory for digest lists
DIGEST_LIST_DIR=$RPM_BUILD_ROOT/$2/etc/ima/digest_lists
mkdir -p $DIGEST_LIST_DIR
mkdir -p $DIGEST_LIST_DIR.tlv
mkdir -p $DIGEST_LIST_DIR.sig

# Generate digest list for the kernel
gen_digest_lists -i M: -t metadata -f compact -d $DIGEST_LIST_DIR -i l:policy \
	-i i: -o add -p -1 -m immutable -i L:$BIN_PKG_FILES -i u: \
	-A $RPM_BUILD_ROOT -i e: \
	-i F:/lib \
	-i F:/usr/lib \
	-i F:/lib64 \
	-i F:/usr/lib64 \
	-i F:/lib/modules \
	-i F:/usr/lib/modules \
	-i F:/lib/firmware \
	-i F:/usr/lib/firmware

f="$DIGEST_LIST_DIR/0-metadata_list-compact-$(basename $BIN_PKG_FILES)"
[ -f $f ] || exit 0

chmod 644 $f
echo $f

# Generate TLV digest list to check metadata
gen_digest_lists -i M: -t metadata -f compact -d $DIGEST_LIST_DIR.tlv \
	-i l:policy -i i: -o add -p -1 -m immutable -i L:$BIN_PKG_FILES -i u: \
	-T -A $RPM_BUILD_ROOT -i e: \
	-i F:/lib \
	-i F:/usr/lib \
	-i F:/lib64 \
	-i F:/usr/lib64 \
	-i F:/lib/modules \
	-i F:/usr/lib/modules \
	-i F:/lib/firmware \
	-i F:/usr/lib/firmware

f="$DIGEST_LIST_DIR.tlv/0-metadata_list-compact_tlv-$(basename $BIN_PKG_FILES)"
[ -f $f ] || exit 0

chmod 644 $f
echo $f

if [[ "$(basename $BIN_PKG_FILES)" =~ "digest-list-tools" && \
      ! $(basename $BIN_PKG_FILES) =~ "debug" ]]; then
	# Generate digest list for the user space parsers
	LD_LIBRARY_PATH=$RPM_BUILD_ROOT/usr/lib64 \
		$RPM_BUILD_ROOT/usr/bin/gen_digest_lists \
		-d $DIGEST_LIST_DIR -t parser -f compact -m immutable \
		-i I:$RPM_BUILD_ROOT/usr/libexec -o add -p -1 -i i:

	f="$DIGEST_LIST_DIR/0-parser_list-compact-libexec"
	[ -f $f ] || exit 0

	chmod 644 $f
	echo $f

	[ -f /usr/lib/rpm/brp-suse.d/brp-99-pesign ] || exit 0

	export BRP_PESIGN_FILES="$2/etc/ima/digest_lists/*"
	export RPM_BUILD_ROOT
	export RPM_PACKAGE_NAME="digest-list-tools"
	export RPM_SOURCE_DIR="$(rpm --eval %_topdir)/SOURCES"

	if [ -f "/usr/lib/rpm/brp-suse.d/brp-99-pesign" ]; then
		/usr/lib/rpm/brp-suse.d/brp-99-pesign &> /dev/null
	fi
fi