[LibRaw] Initial integration (#3918)

* Init integration

* Fix formatting

* Add size check

* Update maintainers

* PR Feedback

* Add newline

* Disable UBSan vptr

* Disable building examples

* Remove disabling UBSan vptr

Co-authored-by: Jamie Pinheiro <pinheirojamie@google.com>

4 files changed, 106 insertions, 0 deletions

diff --git a/projects/libraw/Dockerfile b/projects/libraw/Dockerfile
new file mode 100644
index 000000000..437bd07b2
--- /dev/null
+++ b/projects/libraw/Dockerfile
@@ -0,0 +1,22 @@
+# 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 TODO@gmail.com
+RUN apt-get update && apt-get install -y make autoconf automake libtool pkg-config
+RUN git clone --depth 1 https://github.com/libraw/libraw
+WORKDIR libraw
+COPY build.sh libraw_fuzzer.cc $SRC/
diff --git a/projects/libraw/build.sh b/projects/libraw/build.sh
new file mode 100755
index 000000000..20dbc4562
--- /dev/null
+++ b/projects/libraw/build.sh
@@ -0,0 +1,26 @@
+#!/bin/bash -eu
+# Copyright 2020 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+# build project
+./mkdist.sh
+./configure --disable-examples
+make
+
+# build fuzzers
+$CXX $CXXFLAGS -std=c++11 -Ilibraw \
+    $SRC/libraw_fuzzer.cc -o $OUT/libraw_fuzzer \
+    $LIB_FUZZING_ENGINE lib/.libs/libraw.a
diff --git a/projects/libraw/libraw_fuzzer.cc b/projects/libraw/libraw_fuzzer.cc
new file mode 100644
index 000000000..25c101f59
--- /dev/null
+++ b/projects/libraw/libraw_fuzzer.cc
@@ -0,0 +1,48 @@
+/*  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.
+*/
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <string>
+
+#include <libraw.h>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  // Input less than 10mb
+  if (size > 10000000) {
+    return 0;
+  }
+
+  LibRaw lib_raw;
+
+  int result = lib_raw.open_buffer(
+      const_cast<char*>(reinterpret_cast<const char*>(data)), size);
+  if (result != LIBRAW_SUCCESS) {
+    return 0;
+  }
+
+  result = lib_raw.unpack();
+  if (result != LIBRAW_SUCCESS) {
+    return 0;
+  }
+
+  result = lib_raw.dcraw_process();
+  if (result != LIBRAW_SUCCESS) {
+    return 0;
+  }
+
+  return 0;
+}
diff --git a/projects/libraw/project.yaml b/projects/libraw/project.yaml
new file mode 100644
index 000000000..301821d35
--- /dev/null
+++ b/projects/libraw/project.yaml
@@ -0,0 +1,10 @@
+homepage: "https://www.libraw.org/"
+language: c++
+primary_contact: "jesteele@google.com"
+auto_ccs:
+    - "nchusid@google.com"
+    - "pinheirojamie@google.com"
+sanitizers:
+    - address
+    - memory
+    - undefined