mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-20 00:31:13 +00:00
207 lines
6.1 KiB
Bash
Executable file
207 lines
6.1 KiB
Bash
Executable file
#!/bin/bash -eu
|
|
|
|
# build-oss-fuzz.sh
|
|
#
|
|
# Build script which is executed by oss-fuzz build.sh
|
|
#
|
|
# $SRC: location of code checkouts
|
|
# $OUT: location to put fuzzing targets and corpus
|
|
# $WORK: writable directory where all compilation should be executed
|
|
#
|
|
# /!\ Do not override any CC, CXX, CFLAGS, ... variables
|
|
#
|
|
|
|
# This script is divided in two parts
|
|
#
|
|
# 1) Build all the dependencies statically
|
|
#
|
|
# 2) Build the fuzzing targets
|
|
|
|
# Prefix where we will temporarily install everything
|
|
PREFIX=$WORK/prefix
|
|
mkdir -p $PREFIX
|
|
# always try getting the arguments for static compilation/linking
|
|
# Fixes GModule not being picked when gstreamer-1.0.pc is looked up by meson
|
|
# more or less https://github.com/mesonbuild/meson/pull/6629
|
|
export PKG_CONFIG="`which pkg-config` --static"
|
|
export PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig
|
|
export PATH=$PREFIX/bin:$PATH
|
|
|
|
# Minimize gst-debug level/code
|
|
export CFLAGS="$CFLAGS -DGST_LEVEL_MAX=2"
|
|
|
|
#
|
|
echo "CFLAGS : " $CFLAGS
|
|
echo "CXXFLAGS : " $CXXFLAGS
|
|
PLUGIN_DIR=$PREFIX/lib/gstreamer-1.0
|
|
|
|
rm -rf $WORK/*
|
|
|
|
# Switch to work directory
|
|
cd $WORK
|
|
|
|
# 1) BUILD GLIB AND GSTREAMER
|
|
# Note: we build glib ourselves so that we get proper malloc/free backtraces
|
|
tar xvJf $SRC/glib-2.64.2.tar.xz
|
|
cd glib-2.64.2
|
|
# options taken from glib's oss-fuzz build definition
|
|
meson \
|
|
--prefix=$PREFIX \
|
|
--libdir=lib \
|
|
--default-library=static \
|
|
-Db_lundef=false \
|
|
-Doss_fuzz=enabled \
|
|
-Dlibmount=disabled \
|
|
-Dinternal_pcre=true \
|
|
_builddir
|
|
ninja -C _builddir
|
|
ninja -C _builddir install
|
|
cd ..
|
|
|
|
# Note: We don't use/build orc since it still seems to be problematic
|
|
# with clang and the various sanitizers.
|
|
|
|
# For now we only build core and base. Add other modules when/if needed
|
|
for i in gstreamer;
|
|
do
|
|
mkdir -p $i
|
|
cd $i
|
|
meson \
|
|
--prefix=$PREFIX \
|
|
--libdir=lib \
|
|
--default-library=static \
|
|
-Db_lundef=false \
|
|
-Ddoc=disabled \
|
|
-Dexamples=disabled \
|
|
-Dintrospection=disabled \
|
|
-Dgood=disabled \
|
|
-Dugly=disabled \
|
|
-Dbad=disabled \
|
|
-Dlibav=disabled \
|
|
-Dges=disabled \
|
|
-Domx=disabled \
|
|
-Dvaapi=disabled \
|
|
-Dsharp=disabled \
|
|
-Drs=disabled \
|
|
-Dpython=disabled \
|
|
-Dlibnice=disabled \
|
|
-Ddevtools=disabled \
|
|
-Drtsp_server=disabled \
|
|
-Dgst-examples=disabled \
|
|
-Dqt5=disabled \
|
|
-Dorc=disabled \
|
|
-Dgtk_doc=disabled \
|
|
-Dgstreamer:tracer_hooks=false \
|
|
-Dgstreamer:registry=false \
|
|
-Dgst-plugins-base:cairo=disabled \
|
|
-Dgst-plugins-base:opus=disabled \
|
|
-Dgst-plugins-base:pango=disabled \
|
|
_builddir \
|
|
$SRC/$i
|
|
ninja -C _builddir
|
|
ninja -C _builddir install
|
|
cd ..
|
|
done
|
|
|
|
|
|
|
|
# 2) Build the target fuzzers
|
|
|
|
# All targets will be linked in with $LIB_FUZZING_ENGINE which contains the
|
|
# actual fuzzing runner. Anything fuzzing engine can be used provided it calls
|
|
# the same function as libfuzzer.
|
|
|
|
# Note: The fuzzer .o needs to be first compiled with CC and then linked with CXX
|
|
|
|
# We want to statically link everything, except for shared libraries
|
|
# that are present on the base image. Those need to be specified
|
|
# beforehand 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"
|
|
|
|
# These are the basic .pc dependencies required to build any of the fuzzing targets
|
|
# That is : glib, gstreamer core and gst-app
|
|
# The extra target-specific dependencies are to be specified later
|
|
COMMON_DEPS="glib-2.0 gio-2.0 gstreamer-1.0 gstreamer-app-1.0"
|
|
|
|
# For each target, defined the following:
|
|
# TARGET_DEPS : Extra .pc dependencies for the target (in addition to $COMMON_DEPS)
|
|
# All dependencies (including sub-dependencies) must be speecified
|
|
# PLUGINS : .a of the plugins to link
|
|
# They must match the static plugins declared/registered in the target
|
|
|
|
#
|
|
# TARGET : push-based ogg/theora/vorbis discoverer
|
|
#
|
|
# FIXME : Rename to discoverer_push_oggtheoravorbis
|
|
|
|
TARGET_DEPS=" gstreamer-pbutils-1.0 \
|
|
gstreamer-video-1.0 \
|
|
gstreamer-audio-1.0 \
|
|
gstreamer-riff-1.0 \
|
|
gstreamer-tag-1.0 \
|
|
zlib ogg vorbis vorbisenc \
|
|
theoraenc theoradec theora cairo"
|
|
|
|
PLUGINS="$PLUGIN_DIR/libgstcoreelements.a \
|
|
$PLUGIN_DIR/libgsttypefindfunctions.a \
|
|
$PLUGIN_DIR/libgstplayback.a \
|
|
$PLUGIN_DIR/libgstapp.a \
|
|
$PLUGIN_DIR/libgstvorbis.a \
|
|
$PLUGIN_DIR/libgsttheora.a \
|
|
$PLUGIN_DIR/libgstogg.a"
|
|
|
|
echo
|
|
echo ">>>> BUILDING gst-discoverer"
|
|
echo
|
|
BUILD_CFLAGS="$CFLAGS `pkg-config --static --cflags $COMMON_DEPS $TARGET_DEPS`"
|
|
BUILD_LDFLAGS="-Wl,-static `pkg-config --static --libs $COMMON_DEPS $TARGET_DEPS`"
|
|
|
|
$CC $CFLAGS $BUILD_CFLAGS -c $SRC/gstreamer/ci/fuzzing/gst-discoverer.c -o $SRC/gstreamer/ci/fuzzing/gst-discoverer.o
|
|
$CXX $CXXFLAGS \
|
|
-o $OUT/gst-discoverer \
|
|
$PREDEPS_LDFLAGS \
|
|
$SRC/gstreamer/ci/fuzzing/gst-discoverer.o \
|
|
$PLUGINS \
|
|
$BUILD_LDFLAGS \
|
|
$LIB_FUZZING_ENGINE \
|
|
-Wl,-Bdynamic
|
|
|
|
#
|
|
# TARGET : push-based typefind
|
|
#
|
|
|
|
# typefindfunction depends on pbutils which depends on gst{audio|video|tag}
|
|
TARGET_DEPS=" gstreamer-pbutils-1.0 \
|
|
gstreamer-video-1.0 \
|
|
gstreamer-audio-1.0 \
|
|
gstreamer-tag-1.0"
|
|
|
|
PLUGINS="$PLUGIN_DIR/libgstcoreelements.a \
|
|
$PLUGIN_DIR/libgsttypefindfunctions.a \
|
|
$PLUGIN_DIR/libgstapp.a"
|
|
|
|
echo
|
|
echo ">>>> BUILDING typefind"
|
|
echo
|
|
BUILD_CFLAGS="$CFLAGS `pkg-config --static --cflags $COMMON_DEPS $TARGET_DEPS`"
|
|
BUILD_LDFLAGS="-Wl,-static `pkg-config --static --libs $COMMON_DEPS $TARGET_DEPS`"
|
|
|
|
$CC $CFLAGS $BUILD_CFLAGS -c $SRC/gstreamer/ci/fuzzing/typefind.c -o $SRC/gstreamer/ci/fuzzing/typefind.o
|
|
$CXX $CXXFLAGS \
|
|
-o $OUT/typefind \
|
|
$PREDEPS_LDFLAGS \
|
|
$SRC/gstreamer/ci/fuzzing/typefind.o \
|
|
$PLUGINS \
|
|
$BUILD_LDFLAGS \
|
|
$LIB_FUZZING_ENGINE \
|
|
-Wl,-Bdynamic
|
|
|
|
echo
|
|
echo ">>>> Installing seed corpus"
|
|
echo
|
|
# FIXME : Sadly we apparently need to have the corpus downloaded in the
|
|
# Dockerfile and not here.
|
|
|
|
cp $SRC/*_seed_corpus.zip $OUT
|