From 7376d3f07784ddba7d8bb0c97b173bae237e3771 Mon Sep 17 00:00:00 2001
From: DavidKorczynski <david@adalogics.com>
Date: Fri, 27 May 2022 01:55:59 +0100
Subject: [PATCH] xlrd: initial integration (#7733)

---
 projects/xlrd/Dockerfile            | 20 +++++++++++++
 projects/xlrd/build.sh              | 23 +++++++++++++++
 projects/xlrd/fuzz_open_workbook.py | 46 +++++++++++++++++++++++++++++
 projects/xlrd/project.yaml          | 12 ++++++++
 4 files changed, 101 insertions(+)
 create mode 100644 projects/xlrd/Dockerfile
 create mode 100644 projects/xlrd/build.sh
 create mode 100644 projects/xlrd/fuzz_open_workbook.py
 create mode 100644 projects/xlrd/project.yaml

diff --git a/projects/xlrd/Dockerfile b/projects/xlrd/Dockerfile
new file mode 100644
index 000000000..93d368134
--- /dev/null
+++ b/projects/xlrd/Dockerfile
@@ -0,0 +1,20 @@
+# Copyright 2022 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-python
+RUN git clone https://github.com/python-excel/xlrd
+COPY build.sh *.py $SRC/
+WORKDIR xlrd
diff --git a/projects/xlrd/build.sh b/projects/xlrd/build.sh
new file mode 100644
index 000000000..95f3540d8
--- /dev/null
+++ b/projects/xlrd/build.sh
@@ -0,0 +1,23 @@
+#!/bin/bash -eu
+# Copyright 2022 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.
+#
+################################################################################
+
+pip3 install .
+
+# Build fuzzers in $OUT.
+for fuzzer in $(find $SRC -name 'fuzz_*.py'); do
+  compile_python_fuzzer $fuzzer
+done
diff --git a/projects/xlrd/fuzz_open_workbook.py b/projects/xlrd/fuzz_open_workbook.py
new file mode 100644
index 000000000..415bd1dc6
--- /dev/null
+++ b/projects/xlrd/fuzz_open_workbook.py
@@ -0,0 +1,46 @@
+#!/usr/bin/python3
+# Copyright 2022 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.
+
+import atheris
+import sys
+
+with atheris.instrument_imports():
+  import xlrd
+  import zipfile
+
+
+def TestOneInput(data):
+  temp_file = "myfile.xls"
+  with open(temp_file, "wb") as fd:
+    fd.write(data)
+
+  try:
+    xlrd.open_workbook("myfile.xls")
+  except (
+    xlrd.XLRDError,
+    xlrd.compdoc.CompDocError,
+    zipfile.BadZipFile,
+    OSError
+  ) as e:
+    pass
+
+
+def main():
+  atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
+  atheris.Fuzz()
+
+
+if __name__ == "__main__":
+  main()
diff --git a/projects/xlrd/project.yaml b/projects/xlrd/project.yaml
new file mode 100644
index 000000000..fef57bc85
--- /dev/null
+++ b/projects/xlrd/project.yaml
@@ -0,0 +1,12 @@
+fuzzing_engines:
+- libfuzzer
+homepage: https://github.com/python-excel/xlrd
+language: python
+main_repo: https://github.com/python-excel/xlrd
+sanitizers:
+- address
+- undefined
+vendor_ccs:
+- david@adalogics.com
+- adam@adalogics.com
+- arthur.chan@adalogics.com