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#!/bin/bash
#
# Copyright (C) 2021 Matthew Leeds <mwleeds@protonmail.com>
#
# SPDX-License-Identifier: LGPL-2.0-or-later
set -euo pipefail
. $(dirname $0)/libtest.sh
echo "1..7"
setup_repo
COUNTER=1
create_app () {
local OPTIONS="$1"
local DIR=`mktemp -d`
mkdir ${DIR}/files
echo $COUNTER > ${DIR}/files/counter
let COUNTER=COUNTER+1
local INVALID=""
if [[ $OPTIONS =~ "invalid" ]]; then
INVALID=invalidkeyfileline
fi
cat > ${DIR}/metadata <<EOF
[Application]
name=org.test.Malicious
runtime=org.test.Platform/${ARCH}/master
$INVALID
[Context]
EOF
if [[ $OPTIONS =~ "mismatch" ]]; then
echo -e "filesystems=host;" >> ${DIR}/metadata
fi
if [[ $OPTIONS =~ "hidden" ]]; then
echo -ne "\0" >> ${DIR}/metadata
echo -e "\nfilesystems=home;" >> ${DIR}/metadata
fi
local XA_METADATA=--add-metadata-string=xa.metadata="$(head -n6 ${DIR}/metadata)"$'\n'
if [[ $OPTIONS =~ "no-xametadata" ]]; then
XA_METADATA="--add-metadata-string=xa.nometadata=1"
fi
ostree commit --repo=repos/test --branch=app/org.test.Malicious/${ARCH}/master ${FL_GPGARGS} "$XA_METADATA" ${DIR}/ >&2
if [[ $OPTIONS =~ "no-cache-in-summary" ]]; then
ostree --repo=repos/test ${FL_GPGARGS} summary -u >&2
# force use of legacy summary format
rm -rf repos/test/summary.idx repos/test/summaries
else
update_repo
fi
rm -rf ${DIR}
}
cleanup_repo () {
ostree refs --repo=repos/test --delete app/org.test.Malicious/${ARCH}/master >&2
update_repo
}
create_app "hidden"
if ${FLATPAK} ${U} install -y test-repo org.test.Malicious &>install-error-log; then
assert_not_reached "Should not be able to install app with hidden permissions"
fi
assert_file_has_content install-error-log "not matching expected metadata"
assert_not_has_dir $FL_DIR/app/org.test.Malicious/current/active
cleanup_repo
ok "app with hidden permissions can't be installed (CVE-2021-43860)"
create_app no-xametadata
# The install will fail because the metadata in the summary doesn't match the metadata on the commit
# The missing xa.metadata in the commit got turned into "" in the xa.cache
if ${FLATPAK} ${U} install -y test-repo org.test.Malicious &>install-error-log; then
assert_not_reached "Should not be able to install app with missing xa.metadata"
fi
assert_file_has_content install-error-log "not matching expected metadata"
assert_not_has_dir $FL_DIR/app/org.test.Malicious/current/active
cleanup_repo
ok "app with no xa.metadata can't be installed"
create_app "no-xametadata no-cache-in-summary"
# The install will fail because there's no metadata in the summary or on the commit
if ${FLATPAK} ${U} install -y test-repo org.test.Malicious &>install-error-log; then
assert_not_reached "Should not be able to install app with missing metadata"
fi
assert_file_has_content install-error-log "No xa.metadata in local commit"
assert_not_has_dir $FL_DIR/app/org.test.Malicious/current/active
cleanup_repo
ok "app with no xa.metadata and no metadata in summary can't be installed"
create_app "invalid"
if ${FLATPAK} ${U} install -y test-repo org.test.Malicious &>install-error-log; then
assert_not_reached "Should not be able to install app with invalid metadata"
fi
assert_file_has_content install-error-log "Metadata for .* is invalid"
assert_not_has_dir $FL_DIR/app/org.test.Malicious/current/active
cleanup_repo
ok "app with invalid metadata (in summary) can't be installed"
create_app "invalid no-cache-in-summary"
if ${FLATPAK} ${U} install -y test-repo org.test.Malicious &>install-error-log; then
assert_not_reached "Should not be able to install app with invalid metadata"
fi
assert_file_has_content install-error-log "Metadata for .* is invalid"
assert_not_has_dir $FL_DIR/app/org.test.Malicious/current/active
cleanup_repo
ok "app with invalid metadata (in commit) can't be installed"
create_app "mismatch no-cache-in-summary"
if ${FLATPAK} ${U} install -y test-repo org.test.Malicious &>install-error-log; then
assert_not_reached "Should not be able to install app with non-matching metadata"
fi
assert_file_has_content install-error-log "Commit metadata for .* not matching expected metadata"
assert_not_has_dir $FL_DIR/app/org.test.Malicious/current/active
cleanup_repo
ok "app with mismatched metadata (in commit) can't be installed"
create_app "mismatch"
if ${FLATPAK} ${U} install -y test-repo org.test.Malicious &>install-error-log; then
assert_not_reached "Should not be able to install app with non-matching metadata"
fi
assert_file_has_content install-error-log "Commit metadata for .* not matching expected metadata"
assert_not_has_dir $FL_DIR/app/org.test.Malicious/current/active
cleanup_repo
ok "app with mismatched metadata (in summary) can't be installed"
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