109 lines
3.8 KiB
Bash
Executable File
109 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2022 The Flux authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -euxo pipefail
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LIBGIT2_TAG="${LIBGIT2_TAG:-v0.3.0}"
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GOPATH="${GOPATH:-/root/go}"
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GO_SRC="${GOPATH}/src"
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PROJECT_PATH="github.com/fluxcd/source-controller"
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pushd "${GO_SRC}/${PROJECT_PATH}"
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export TARGET_DIR="$(/bin/pwd)/build/libgit2/${LIBGIT2_TAG}"
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# For most cases, libgit2 will already be present.
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# The exception being at the oss-fuzz integration.
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if [ ! -d "${TARGET_DIR}" ]; then
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curl -o output.tar.gz -LO "https://github.com/fluxcd/golang-with-libgit2/releases/download/${LIBGIT2_TAG}/linux-x86_64-libgit2-only.tar.gz"
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DIR=linux-libgit2-only
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NEW_DIR="$(/bin/pwd)/build/libgit2/${LIBGIT2_TAG}"
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INSTALLED_DIR="/home/runner/work/golang-with-libgit2/golang-with-libgit2/build/${DIR}"
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mkdir -p ./build/libgit2
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tar -xf output.tar.gz
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rm output.tar.gz
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mv "${DIR}" "${LIBGIT2_TAG}"
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mv "${LIBGIT2_TAG}/" "./build/libgit2"
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# Update the prefix paths included in the .pc files.
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# This will make it easier to update to the location in which they will be used.
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find "${NEW_DIR}" -type f -name "*.pc" | xargs -I {} sed -i "s;${INSTALLED_DIR};${NEW_DIR};g" {}
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fi
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apt-get update && apt-get install -y pkg-config
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export CGO_ENABLED=1
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export PKG_CONFIG_PATH="${TARGET_DIR}/lib/pkgconfig"
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export CGO_LDFLAGS="$(pkg-config --libs --static --cflags libgit2)"
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export LIBRARY_PATH="${TARGET_DIR}/lib"
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export CGO_CFLAGS="-I${TARGET_DIR}/include"
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go get -d github.com/AdaLogics/go-fuzz-headers
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# The implementation of libgit2 is sensitive to the versions of git2go.
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# Leaving it to its own devices, the minimum version of git2go used may not
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# be compatible with the currently implemented version. Hence the modifications
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# of the existing go.mod.
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sed "s;\./api;$(/bin/pwd)/api;g" go.mod > tests/fuzz/go.mod
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sed -i 's;module github.com/fluxcd/source-controller;module github.com/fluxcd/source-controller/tests/fuzz;g' tests/fuzz/go.mod
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echo "replace github.com/fluxcd/source-controller => $(/bin/pwd)/" >> tests/fuzz/go.mod
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cp go.sum tests/fuzz/go.sum
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pushd "tests/fuzz"
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go mod download
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go get -d github.com/AdaLogics/go-fuzz-headers
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go get -d github.com/fluxcd/source-controller
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# Setup files to be embedded into controllers_fuzzer.go's testFiles variable.
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mkdir -p testdata/crd
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cp ../../config/crd/bases/*.yaml testdata/crd/
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cp -r ../../controllers/testdata/certs testdata/
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go get -d github.com/AdaLogics/go-fuzz-headers
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# Using compile_go_fuzzer to compile fails when statically linking libgit2 dependencies
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# via CFLAGS/CXXFLAGS.
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function go_compile(){
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function=$1
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fuzzer=$2
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if [[ $SANITIZER = *coverage* ]]; then
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# ref: https://github.com/google/oss-fuzz/blob/master/infra/base-images/base-builder/compile_go_fuzzer
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compile_go_fuzzer "${PROJECT_PATH}/tests/fuzz" "${function}" "${fuzzer}"
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else
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go-fuzz -tags gofuzz -func="${function}" -o "${fuzzer}.a" .
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${CXX} ${CXXFLAGS} ${LIB_FUZZING_ENGINE} -o "${OUT}/${fuzzer}" \
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"${fuzzer}.a" "${TARGET_DIR}/lib/libgit2.a" \
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-fsanitize="${SANITIZER}"
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fi
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}
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go_compile FuzzRandomGitFiles fuzz_gitrepository_fuzzer
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go_compile FuzzGitResourceObject fuzz_git_resource_object
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# By now testdata is embedded in the binaries and no longer needed.
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# Remove the dir given that it will be owned by root otherwise.
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rm -rf testdata/
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popd
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popd
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