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projects: Add GStreamer (google#905)
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* projects: Add GStreamer

This is an initial fuzzer which goes over ogg/theora/vorbis files
using the discoverer process

* gstreamer/build.sh: Cleanup file

* gstreamer/Dockerfile: Update copyright date

* gstreamer: Update project.yaml

Use the security mailing list as the primary contact
Remove explicit sanitizer listing

* gstreamer: Simplify base fuzzer

Removed almost all outputting

I am the original author of the code this is taken for, relicensing
an ultra-simplified version of my original code to Apache.

* gstreamer: Cleanup of build file and dockerfile

* gstreamer: Code minimization and avoid leaks

Data provided by the fuzzer shouldn't be freed (but the wrapping
GstBuffer should).

Avoid logging by default

* gstreamer: Download corpus in Dockerfile

And extract in build.sh

* gstreamer: Move code to repository and more cleanups

Remove custom LDFLAGS (not needed)
Use fuzzing target code from upstream repository
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bilboed authored and tmatth committed Oct 22, 2018
1 parent f51393b commit 5d63211
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40 changes: 40 additions & 0 deletions projects/gstreamer/Dockerfile
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# Copyright 2017 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 bilboed@bilboed.com
# Install the build dependencies

# install the minimum

RUN sed -i '/^#\sdeb-src /s/^#//' "/etc/apt/sources.list" && \
apt-get update && \
apt-get install -y make autoconf automake libtool build-essential \
autopoint pkg-config bison flex gettext libglib2.0-dev libffi-dev liblzma-dev \
libvorbis-dev libtheora-dev libogg-dev git-annex

# Checkout all development repositories
#RUN for i in orc gstreamer gst-plugins-base gst-plugins-good gst-plugins-bad gst-plugins-ugly gst-libav; do git clone --depth 1 --recursive https://anongit.freedesktop.org/git/gstreamer/$i $i; done
RUN \
git clone --depth 1 --recursive https://anongit.freedesktop.org/git/gstreamer/orc orc && \
git clone --depth 1 --recursive https://anongit.freedesktop.org/git/gstreamer/gstreamer gstreamer && \
git clone --depth 1 --recursive https://anongit.freedesktop.org/git/gstreamer/gst-plugins-base gst-plugins-base && \
git clone --depth 1 --recursive https://anongit.freedesktop.org/git/gstreamer/gst-ci gst-ci

ADD https://people.freedesktop.org/~bilboed/gst-discoverer_seed_corpus.zip $SRC

WORKDIR gstreamer
COPY build.sh $SRC/
97 changes: 97 additions & 0 deletions projects/gstreamer/build.sh
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#!/bin/bash -eu
# Copyright 2017 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.
#
################################################################################

echo "CFLAGS" $CFLAGS
echo "CXXFLAGS" $CXXFLAGS
PREFIX=$WORK/prefix
PLUGIN_DIR=$PREFIX/lib/gstreamer-1.0
export PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig
mkdir -p $PREFIX
cd $WORK

# Minimize gst-debug level/code
export CFLAGS="$CFLAGS -DGST_LEVEL_MAX=2"

for i in orc gstreamer gst-plugins-base;
do
mkdir -p $i
cd $i
$SRC/$i/autogen.sh --prefix=$PREFIX --disable-shared --enable-static --disable-examples \
--disable-gtk-doc --disable-introspection --enable-static-plugins \
--disable-gst-tracer-hooks --disable-registry
make -j$(nproc)
make install
cd ..
done

#finally build the binary \o/
BUILD_CFLAGS="$CFLAGS `pkg-config --static --cflags glib-2.0 gstreamer-1.0 gstreamer-pbutils-1.0 gstreamer-video-1.0 gstreamer-audio-1.0 gstreamer-app-1.0 orc-0.4`"

# List of dependencies libraries we grab from pkg-config
# Should also include dependencies of dependencies (ex: libvorbis depends on libogg)

PKG_DEPS="glib-2.0 gstreamer-1.0 gstreamer-pbutils-1.0 gstreamer-video-1.0 gstreamer-audio-1.0 orc-0.4 \
gstreamer-riff-1.0 gstreamer-tag-1.0 gstreamer-app-1.0 zlib \
ogg vorbis vorbisenc theoraenc theoradec theora"

# List of all plugins to include
PLUGINS="$PLUGIN_DIR/libgstcoreelements.a \
$PLUGIN_DIR/libgsttypefindfunctions.a \
$PLUGIN_DIR/libgstplayback.a \
$PLUGIN_DIR/libgstapp.a \
$PLUGIN_DIR/libgstvorbis.a \
$PLUGIN_DIR/libgsttheora.a \
$PLUGIN_DIR/libgstogg.a"

# We want to statically link everything, except for shared libraries that are present on
# the base image. Those need to be specified beforehad and explicitely linked dynamically
# If any of the static dependencies require a pre-installed shared library, you need
# to add that library to the following list
PREDEPS_LDFLAGS="-Wl,-Bdynamic -ldl -lm -pthread -lrt -lpthread"

# The libraries we want to statically link to
# This includes dependencies of the gst plugins
BUILD_LDFLAGS="-Wl,-static `pkg-config --static --libs $PKG_DEPS`"

echo
echo "PREDEPS_LDFLAGS" $PREDEPS_LDFLAGS
echo
echo "BUILD_LDFLAGS" $BUILD_LDFLAGS
echo
echo ">>>> BUILDING gst-discoverer.o"
echo

$CC $CFLAGS $BUILD_CFLAGS -c $SRC/gst-ci/fuzzing/gst-discoverer.c -o $SRC/gst-ci/fuzzing/gst-discoverer.o

echo
echo ">>>> LINKING"
echo

$CXX $CXXFLAGS \
-o $OUT/gst-discoverer \
$PREDEPS_LDFLAGS \
$SRC/gst-ci/fuzzing/gst-discoverer.o \
$PLUGINS \
$BUILD_LDFLAGS \
$LIB_FUZZING_ENGINE \
-Wl,-Bdynamic

echo
echo ">>>> Installing OGG corpus"
echo

cp $SRC/*_seed_corpus.zip $OUT
6 changes: 6 additions & 0 deletions projects/gstreamer/project.yaml
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homepage: "https://gstreamer.freedesktop.org/"
primary_contact: "gstreamer-security@lists.freedesktop.org"
auto_ccs:
- "bilboed@bilboed.com"


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