From 13214d93539d00179d4ed99eb26f1a8f6f1ee76d Mon Sep 17 00:00:00 2001 From: DavidKorczynski Date: Wed, 10 Feb 2021 17:04:39 +0000 Subject: [PATCH] cctz: initial integration. (#4806) * cctz: initial integration. * Update fuzz_cctz.cc Co-authored-by: Abhishek Arya --- projects/cctz/Dockerfile | 24 +++++++++++++++++++ projects/cctz/build.sh | 22 ++++++++++++++++++ projects/cctz/fuzz_cctz.cc | 47 ++++++++++++++++++++++++++++++++++++++ projects/cctz/project.yaml | 3 +++ 4 files changed, 96 insertions(+) create mode 100644 projects/cctz/Dockerfile create mode 100755 projects/cctz/build.sh create mode 100644 projects/cctz/fuzz_cctz.cc create mode 100644 projects/cctz/project.yaml diff --git a/projects/cctz/Dockerfile b/projects/cctz/Dockerfile new file mode 100644 index 000000000..7882330f5 --- /dev/null +++ b/projects/cctz/Dockerfile @@ -0,0 +1,24 @@ +# Copyright 2020 Google LLC +# +# 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. +# +################################################################################ + +FROM gcr.io/oss-fuzz-base/base-builder +RUN apt-get update && apt-get install -y make autoconf libgtest-dev +RUN git clone --depth 1 https://github.com/google/cctz +WORKDIR $SRC/cctz + +COPY build.sh $SRC/ +COPY fuzz_* $SRC/ + diff --git a/projects/cctz/build.sh b/projects/cctz/build.sh new file mode 100755 index 000000000..b83b4f52a --- /dev/null +++ b/projects/cctz/build.sh @@ -0,0 +1,22 @@ +# Copyright 2020 Google LLC +# +# 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. +# +################################################################################ +mkdir build && cd build +cmake -DBUILD_TESTING=OFF ../ +make + +# Compile fuzzers +cp $SRC/fuzz* . +$CXX $CXXFLAGS $LIB_FUZZING_ENGINE ./fuzz_cctz.cc ./libcctz.a -I../include/ -o $OUT/fuzz_cctz diff --git a/projects/cctz/fuzz_cctz.cc b/projects/cctz/fuzz_cctz.cc new file mode 100644 index 000000000..2096152ff --- /dev/null +++ b/projects/cctz/fuzz_cctz.cc @@ -0,0 +1,47 @@ +/* Copyright 2020 Google LLC + +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. +*/ + +#include + +#include +#include + +#include "cctz/civil_time.h" +#include "cctz/time_zone.h" + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { + FuzzedDataProvider fuzzed_data(data, size); + + cctz::time_zone lax; + std::string tz = fuzzed_data.ConsumeRandomLengthString(); + if (load_time_zone(tz, &lax)) { + std::chrono::system_clock::time_point tp; + std::string date_format = fuzzed_data.ConsumeRandomLengthString(); + std::string parse_format = fuzzed_data.ConsumeRandomLengthString(); + cctz::parse(parse_format, date_format, lax, &tp); + + const auto t1 = cctz::convert(cctz::civil_second( + fuzzed_data.ConsumeIntegral(), + fuzzed_data.ConsumeIntegral(), + fuzzed_data.ConsumeIntegral(), + fuzzed_data.ConsumeIntegral(), + fuzzed_data.ConsumeIntegral(), + fuzzed_data.ConsumeIntegral()), lax); + std::string format = fuzzed_data.ConsumeRandomLengthString(); + cctz::format(format, t1, lax); + } + + return 0; +} diff --git a/projects/cctz/project.yaml b/projects/cctz/project.yaml new file mode 100644 index 000000000..58562e613 --- /dev/null +++ b/projects/cctz/project.yaml @@ -0,0 +1,3 @@ +homepage: "https://github.com/google/cctz" +language: c++ +primary_contact: "david@adalogics.com"