From 44f4b89366ca38840cd04e83bf33b8eaa52ab6c5 Mon Sep 17 00:00:00 2001
From: Matthew Gregan <kinetik@flim.org>
Date: Tue, 11 Feb 2020 15:13:59 +1300
Subject: [PATCH] [mp4parse-rust] Initial integration (#3322)

---
 projects/mp4parse-rust/Dockerfile   | 28 ++++++++++++++++++
 projects/mp4parse-rust/build.sh     | 45 +++++++++++++++++++++++++++++
 projects/mp4parse-rust/project.yaml | 10 +++++++
 3 files changed, 83 insertions(+)
 create mode 100644 projects/mp4parse-rust/Dockerfile
 create mode 100755 projects/mp4parse-rust/build.sh
 create mode 100644 projects/mp4parse-rust/project.yaml

diff --git a/projects/mp4parse-rust/Dockerfile b/projects/mp4parse-rust/Dockerfile
new file mode 100644
index 000000000..bd1ec8d66
--- /dev/null
+++ b/projects/mp4parse-rust/Dockerfile
@@ -0,0 +1,28 @@
+# 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.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+MAINTAINER mgregan@mozilla.com
+RUN apt-get update && apt-get install -y make autoconf automake libtool curl cmake python llvm-dev libclang-dev clang
+
+ENV CARGO_HOME=/rust RUSTUP_HOME=/rust/rustup PATH=$PATH:/rust/bin
+RUN curl https://sh.rustup.rs | sh -s -- -y --default-toolchain=nightly
+RUN cargo install cargo-fuzz
+
+RUN git clone --depth 1 https://github.com/mozilla/mp4parse-rust mp4parse-rust
+WORKDIR mp4parse-rust
+
+COPY build.sh $SRC/
diff --git a/projects/mp4parse-rust/build.sh b/projects/mp4parse-rust/build.sh
new file mode 100755
index 000000000..5af2a68c0
--- /dev/null
+++ b/projects/mp4parse-rust/build.sh
@@ -0,0 +1,45 @@
+#!/bin/bash -eu
+# Copyright 2020 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+# Note: This project creates Rust fuzz targets exclusively
+
+export CUSTOM_LIBFUZZER_PATH="$LIB_FUZZING_ENGINE_DEPRECATED"
+export CUSTOM_LIBFUZZER_STD_CXX=c++
+PROJECT_DIR=$SRC/mp4parse-rust
+
+# Because Rust does not support sanitizers via CFLAGS/CXXFLAGS, the environment
+# variables are overridden with values from base-images/base-clang only
+
+export CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION"
+export CXXFLAGS_EXTRA="-stdlib=libc++"
+export CXXFLAGS="$CFLAGS $CXXFLAGS_EXTRA"
+export RUSTFLAGS="-Cdebuginfo=1 -Cforce-frame-pointers"
+
+cd $PROJECT_DIR/mp4parse_capi/fuzz && cargo fuzz build -O --debug-assertions
+
+mkdir $PROJECT_DIR/corpus
+cp $PROJECT_DIR/mp4parse/tests/*.mp4  $PROJECT_DIR/corpus
+cp $PROJECT_DIR/mp4parse_capi/tests/*.mp4 $PROJECT_DIR/corpus
+
+FUZZ_TARGET_OUTPUT_DIR=$PROJECT_DIR/mp4parse_capi/fuzz/target/x86_64-unknown-linux-gnu/release
+for f in $SRC/mp4parse-rust/mp4parse_capi/fuzz/fuzz_targets/*.rs
+do
+    FUZZ_TARGET_NAME=$(basename ${f%.*})
+    cp $FUZZ_TARGET_OUTPUT_DIR/$FUZZ_TARGET_NAME $OUT/
+    cp $PROJECT_DIR/mp4parse_capi/fuzz/mp4.dict $OUT/$FUZZ_TARGET_NAME.dict
+    zip -jr $OUT/${FUZZ_TARGET_NAME}_seed_corpus.zip $PROJECT_DIR/corpus/
+done
diff --git a/projects/mp4parse-rust/project.yaml b/projects/mp4parse-rust/project.yaml
new file mode 100644
index 000000000..0a842aba5
--- /dev/null
+++ b/projects/mp4parse-rust/project.yaml
@@ -0,0 +1,10 @@
+homepage: "https://github.com/mozilla/mp4parse-rust"
+primary_contact: "mgregan@mozilla.com"
+sanitizers:
+  - address
+fuzzing_engines:
+  - libfuzzer
+language: rust
+vendor_ccs:
+- "twsmith@mozilla.com"
+- "cdiehl@mozilla.com"