| #!/bin/sh -eu |
| |
| # As a first step see README.md and follow the steps under "Running a fuzzer using clang". |
| |
| # You might need 'gsutil' to download new corpora from the Google cloud: |
| # Read the docs at https://github.com/google/oss-fuzz/blob/master/docs/corpora.md |
| # then install 'google-cloud-sdk' and execute 'gcloud init'. |
| # Now 'gsutil' should be ready to use. |
| |
| if test -z "$1"; then |
| echo "Usage: $0 <fuzzer target>" |
| echo "Example: $0 libtasn1_array2tree_fuzzer" |
| exit 1 |
| fi |
| |
| if ! grep -q FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION Makefile; then |
| echo "The fuzzers haven't been built for fuzzing (maybe for regression testing !?)" |
| echo "Please built regarding README.md and try again." |
| exit 1 |
| fi |
| |
| fuzzer=$1 |
| project=libtasn1 |
| |
| # sync/copy the OSS-Fuzz corpora into the .new directory |
| mkdir -p ${fuzzer}.in ${fuzzer}.new |
| cp -fp ${fuzzer}.in/* ${fuzzer}.new 2>/dev/null || true |
| gsutil cp $(gsutil ls gs://${project}-backup.clusterfuzz-external.appspot.com/corpus/libFuzzer/${fuzzer}|tail -n 1) ${fuzzer}.new/ |
| (cd ${fuzzer}.new && unzip -q -o *.zip && rm *.zip) |
| |
| # create fuzzer target |
| BUILD_ONLY=1 ./run-clang.sh ${fuzzer} |
| |
| # merge the corpora into the .in directory |
| ./${fuzzer} -merge=1 ${fuzzer}.in ${fuzzer}.new |
| |
| # now clear .new dir and put all corpora there |
| rm -rf ${fuzzer}.new |
| mv ${fuzzer}.in ${fuzzer}.new |
| mkdir ${fuzzer}.in |
| |
| # now merge again (optimizes number of corpora) |
| ./${fuzzer} -merge=1 ${fuzzer}.in ${fuzzer}.new |
| |
| echo |
| echo "If new files have been added, 'git add' and 'git commit' them." |