From a676448e804ce19ae63370c4c0aed83e40333fcd Mon Sep 17 00:00:00 2001
From: AdamKorcz <44787359+AdamKorcz@users.noreply.github.com>
Date: Tue, 18 May 2021 21:24:19 +0100
Subject: [PATCH] [vlc] Initial integration (#5598)

* [vlc] Initial integration

* Small fixes

* update packages.

* Compile existing fuzzers.

* updated setup to work with static builds.

* Cleanup.

* no more string fuzzer.

* typo.

* updated the project yaml.

Co-authored-by: davkor <david@adalogics.com>
---
 projects/vlc/Dockerfile   | 22 ++++++++++++++++
 projects/vlc/build.sh     | 53 +++++++++++++++++++++++++++++++++++++++
 projects/vlc/project.yaml | 10 ++++++++
 3 files changed, 85 insertions(+)
 create mode 100644 projects/vlc/Dockerfile
 create mode 100755 projects/vlc/build.sh
 create mode 100644 projects/vlc/project.yaml

diff --git a/projects/vlc/Dockerfile b/projects/vlc/Dockerfile
new file mode 100644
index 000000000..6d24f0254
--- /dev/null
+++ b/projects/vlc/Dockerfile
@@ -0,0 +1,22 @@
+# Copyright 2021 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 automake libtool \
+  pkg-config cmake flex bison gettext libglu1-mesa-dev 
+RUN git clone --depth 1 https://github.com/videolan/vlc vlc
+WORKDIR vlc
+COPY build.sh $SRC/
diff --git a/projects/vlc/build.sh b/projects/vlc/build.sh
new file mode 100755
index 000000000..8eb7053a1
--- /dev/null
+++ b/projects/vlc/build.sh
@@ -0,0 +1,53 @@
+#!/bin/bash -eu
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+# Use OSS-Fuzz environment rather than hardcoded setup.
+sed -i 's/-fsanitize-coverage=trace-pc-guard//g' ./configure.ac
+sed -i 's/-fsanitize-coverage=trace-cmp//g' ./configure.ac
+sed -i 's/-fsanitize-coverage=trace-pc//g' ./configure.ac
+sed -i 's/-lFuzzer//g'  ./configure.ac
+
+# In order to build statically we avoid libxml and ogg plugins.
+sed -i 's/..\/..\/lib\/libvlc_internal.h/lib\/libvlc_internal.h/g' ./test/src/input/decoder.c
+sed -i 's/..\/modules\/libxml_plugin.la//g' ./test/Makefile.am
+sed -i 's/..\/modules\/libogg_plugin.la//g' ./test/Makefile.am
+sed -i 's/f(misc_xml_xml)//g' ./test/src/input/demux-run.c
+sed -i 's/f(demux_ogg)//g' ./test/src/input/demux-run.c
+
+# Ensure that we compile with the correct link flags.
+RULE="vlc_demux_libfuzzer_LDADD"
+FUZZ_LDFLAGS="vlc_demux_libfuzzer_LDFLAGS=\${LIB_FUZZING_ENGINE}"
+sed -i "s/${RULE}/${FUZZ_LDFLAGS}\n${RULE}/g" ./test/Makefile.am
+
+RULE="vlc_demux_dec_libfuzzer_LDADD"
+FUZZ_LDFLAGS="vlc_demux_dec_libfuzzer_LDFLAGS=\${LIB_FUZZING_ENGINE}"
+sed -i "s/${RULE}/${FUZZ_LDFLAGS}\n${RULE}/g" ./test/Makefile.am
+
+./bootstrap
+./configure --disable-ogg --disable-oggspots --disable-libxml2 --disable-lua \
+            --disable-shared \
+            --enable-static \
+            --enable-vlc=no \
+            --disable-avcodec \
+            --disable-swscale \
+            --disable-a52 \
+            --disable-xcb \
+            --disable-alsa \
+            --with-libfuzzer
+make V=1 -j$(nproc)
+cp ./test/vlc-demux-dec-libfuzzer $OUT/
+cp ./test/vlc-demux-libfuzzer $OUT/
diff --git a/projects/vlc/project.yaml b/projects/vlc/project.yaml
new file mode 100644
index 000000000..1006c84e7
--- /dev/null
+++ b/projects/vlc/project.yaml
@@ -0,0 +1,10 @@
+homepage: "https://github.com/videolan/vlc"
+language: c
+primary_contact: "ossfuzz@videolan.org"
+auto_ccs:
+  - "adam@adalogics.com"
+  - "david@adalogics.com"
+sanitizers:
+  - address
+  - undefined
+main_repo: 'https://github.com/videolan/vlc'