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#!/bin/bash -u
# Copyright 2020 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################
# Wrapper around bad_build_check that moves the /out directory to /tmp/not-out.
# This is useful when bad_build_check isn't called from test_all which does the
# same thing.
function main {
# Move the directory the fuzzer is located in to somewhere that doesn't exist
# on the builder to make it more likely that hardcoding /out fails here (since
# it will fail on ClusterFuzz).
local fuzzer=$1
fuzzer=$(realpath $fuzzer)
local initial_fuzzer_dir=$(dirname $fuzzer)
local tmp_fuzzer_dir=/tmp/not-out
rm -rf $tmp_fuzzer_dir
mkdir $tmp_fuzzer_dir
# Move the contents of $initial_fuzzer_dir rather than the directory itself in
# case it is a mount.
mv $initial_fuzzer_dir/* $tmp_fuzzer_dir
fuzzer="$tmp_fuzzer_dir/$(basename $fuzzer)"
# Change OUT to the temporary fuzzer dir.
local initial_out=$OUT
export OUT=$tmp_fuzzer_dir
bad_build_check $fuzzer
returncode=$?
# Restore OUT and $initial_fuzzer_dir
export OUT=$initial_out
mv $tmp_fuzzer_dir/* $initial_fuzzer_dir
return $returncode
}
if [ $# -ne 1 ]; then
echo "Usage: $0 <fuzz_target_binary>"
exit 1
fi
main $1
exit $?
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