mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-22 16:26:39 +00:00
03ff52ee69
gst-plugins-base doesn't have a cairo option anymore. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1975>
206 lines
6 KiB
Bash
Executable file
206 lines
6 KiB
Bash
Executable file
#!/bin/bash -eu
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# build-oss-fuzz.sh
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#
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# Build script which is executed by oss-fuzz build.sh
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#
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# $SRC: location of code checkouts
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# $OUT: location to put fuzzing targets and corpus
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# $WORK: writable directory where all compilation should be executed
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#
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# /!\ Do not override any CC, CXX, CFLAGS, ... variables
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#
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# This script is divided in two parts
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#
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# 1) Build all the dependencies statically
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#
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# 2) Build the fuzzing targets
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# Prefix where we will temporarily install everything
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PREFIX=$WORK/prefix
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mkdir -p $PREFIX
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# always try getting the arguments for static compilation/linking
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# Fixes GModule not being picked when gstreamer-1.0.pc is looked up by meson
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# more or less https://github.com/mesonbuild/meson/pull/6629
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export PKG_CONFIG="`which pkg-config` --static"
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export PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig
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export PATH=$PREFIX/bin:$PATH
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# Minimize gst-debug level/code
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export CFLAGS="$CFLAGS -DGST_LEVEL_MAX=2"
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#
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echo "CFLAGS : " $CFLAGS
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echo "CXXFLAGS : " $CXXFLAGS
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PLUGIN_DIR=$PREFIX/lib/gstreamer-1.0
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rm -rf $WORK/*
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# Switch to work directory
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cd $WORK
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# 1) BUILD GLIB AND GSTREAMER
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# Note: we build glib ourselves so that we get proper malloc/free backtraces
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tar xvJf $SRC/glib-2.64.2.tar.xz
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cd glib-2.64.2
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# options taken from glib's oss-fuzz build definition
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meson \
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--prefix=$PREFIX \
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--libdir=lib \
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--default-library=static \
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-Db_lundef=false \
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-Doss_fuzz=enabled \
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-Dlibmount=disabled \
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-Dinternal_pcre=true \
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_builddir
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ninja -C _builddir
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ninja -C _builddir install
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cd ..
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# Note: We don't use/build orc since it still seems to be problematic
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# with clang and the various sanitizers.
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# For now we only build core and base. Add other modules when/if needed
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for i in gstreamer;
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do
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mkdir -p $i
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cd $i
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meson \
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--prefix=$PREFIX \
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--libdir=lib \
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--default-library=static \
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-Db_lundef=false \
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-Ddoc=disabled \
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-Dexamples=disabled \
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-Dintrospection=disabled \
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-Dgood=disabled \
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-Dugly=disabled \
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-Dbad=disabled \
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-Dlibav=disabled \
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-Dges=disabled \
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-Domx=disabled \
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-Dvaapi=disabled \
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-Dsharp=disabled \
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-Drs=disabled \
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-Dpython=disabled \
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-Dlibnice=disabled \
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-Ddevtools=disabled \
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-Drtsp_server=disabled \
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-Dgst-examples=disabled \
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-Dqt5=disabled \
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-Dorc=disabled \
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-Dgtk_doc=disabled \
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-Dgstreamer:tracer_hooks=false \
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-Dgstreamer:registry=false \
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-Dgst-plugins-base:opus=disabled \
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-Dgst-plugins-base:pango=disabled \
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_builddir \
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$SRC/$i
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ninja -C _builddir
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ninja -C _builddir install
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cd ..
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done
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# 2) Build the target fuzzers
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# All targets will be linked in with $LIB_FUZZING_ENGINE which contains the
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# actual fuzzing runner. Anything fuzzing engine can be used provided it calls
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# the same function as libfuzzer.
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# Note: The fuzzer .o needs to be first compiled with CC and then linked with CXX
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# We want to statically link everything, except for shared libraries
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# that are present on the base image. Those need to be specified
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# beforehand and explicitely linked dynamically If any of the static
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# dependencies require a pre-installed shared library, you need to add
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# that library to the following list
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PREDEPS_LDFLAGS="-Wl,-Bdynamic -ldl -lm -pthread -lrt -lpthread"
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# These are the basic .pc dependencies required to build any of the fuzzing targets
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# That is : glib, gstreamer core and gst-app
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# The extra target-specific dependencies are to be specified later
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COMMON_DEPS="glib-2.0 gio-2.0 gstreamer-1.0 gstreamer-app-1.0"
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# For each target, defined the following:
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# TARGET_DEPS : Extra .pc dependencies for the target (in addition to $COMMON_DEPS)
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# All dependencies (including sub-dependencies) must be speecified
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# PLUGINS : .a of the plugins to link
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# They must match the static plugins declared/registered in the target
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#
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# TARGET : push-based ogg/theora/vorbis discoverer
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#
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# FIXME : Rename to discoverer_push_oggtheoravorbis
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TARGET_DEPS=" gstreamer-pbutils-1.0 \
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gstreamer-video-1.0 \
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gstreamer-audio-1.0 \
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gstreamer-riff-1.0 \
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gstreamer-tag-1.0 \
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zlib ogg vorbis vorbisenc \
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theoraenc theoradec theora cairo"
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PLUGINS="$PLUGIN_DIR/libgstcoreelements.a \
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$PLUGIN_DIR/libgsttypefindfunctions.a \
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$PLUGIN_DIR/libgstplayback.a \
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$PLUGIN_DIR/libgstapp.a \
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$PLUGIN_DIR/libgstvorbis.a \
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$PLUGIN_DIR/libgsttheora.a \
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$PLUGIN_DIR/libgstogg.a"
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echo
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echo ">>>> BUILDING gst-discoverer"
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echo
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BUILD_CFLAGS="$CFLAGS `pkg-config --static --cflags $COMMON_DEPS $TARGET_DEPS`"
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BUILD_LDFLAGS="-Wl,-static `pkg-config --static --libs $COMMON_DEPS $TARGET_DEPS`"
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$CC $CFLAGS $BUILD_CFLAGS -c $SRC/gstreamer/ci/fuzzing/gst-discoverer.c -o $SRC/gstreamer/ci/fuzzing/gst-discoverer.o
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$CXX $CXXFLAGS \
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-o $OUT/gst-discoverer \
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$PREDEPS_LDFLAGS \
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$SRC/gstreamer/ci/fuzzing/gst-discoverer.o \
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$PLUGINS \
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$BUILD_LDFLAGS \
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$LIB_FUZZING_ENGINE \
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-Wl,-Bdynamic
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#
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# TARGET : push-based typefind
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#
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# typefindfunction depends on pbutils which depends on gst{audio|video|tag}
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TARGET_DEPS=" gstreamer-pbutils-1.0 \
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gstreamer-video-1.0 \
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gstreamer-audio-1.0 \
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gstreamer-tag-1.0"
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PLUGINS="$PLUGIN_DIR/libgstcoreelements.a \
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$PLUGIN_DIR/libgsttypefindfunctions.a \
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$PLUGIN_DIR/libgstapp.a"
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echo
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echo ">>>> BUILDING typefind"
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echo
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BUILD_CFLAGS="$CFLAGS `pkg-config --static --cflags $COMMON_DEPS $TARGET_DEPS`"
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BUILD_LDFLAGS="-Wl,-static `pkg-config --static --libs $COMMON_DEPS $TARGET_DEPS`"
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$CC $CFLAGS $BUILD_CFLAGS -c $SRC/gstreamer/ci/fuzzing/typefind.c -o $SRC/gstreamer/ci/fuzzing/typefind.o
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$CXX $CXXFLAGS \
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-o $OUT/typefind \
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$PREDEPS_LDFLAGS \
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$SRC/gstreamer/ci/fuzzing/typefind.o \
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$PLUGINS \
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$BUILD_LDFLAGS \
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$LIB_FUZZING_ENGINE \
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-Wl,-Bdynamic
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echo
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echo ">>>> Installing seed corpus"
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echo
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# FIXME : Sadly we apparently need to have the corpus downloaded in the
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# Dockerfile and not here.
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cp $SRC/*_seed_corpus.zip $OUT
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