From c64628826f908f9cebcd202ae6fc0c246e9115d7 Mon Sep 17 00:00:00 2001
From: DavidKorczynski <david@adalogics.com>
Date: Tue, 23 Aug 2022 14:48:43 +0100
Subject: [PATCH] digest: initial integration (#8189)

---
 projects/digest/Dockerfile     | 21 ++++++++++++++++
 projects/digest/build.sh       | 23 +++++++++++++++++
 projects/digest/fuzz_digest.py | 45 ++++++++++++++++++++++++++++++++++
 projects/digest/project.yaml   | 11 +++++++++
 4 files changed, 100 insertions(+)
 create mode 100644 projects/digest/Dockerfile
 create mode 100755 projects/digest/build.sh
 create mode 100644 projects/digest/fuzz_digest.py
 create mode 100644 projects/digest/project.yaml

diff --git a/projects/digest/Dockerfile b/projects/digest/Dockerfile
new file mode 100644
index 000000000..a5aea6f19
--- /dev/null
+++ b/projects/digest/Dockerfile
@@ -0,0 +1,21 @@
+# 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 apt-get update && apt-get install -y make autoconf automake libtool
+RUN git clone --depth 1 https://github.com/bmc/digest digest
+WORKDIR digest
+COPY build.sh *.py $SRC/
diff --git a/projects/digest/build.sh b/projects/digest/build.sh
new file mode 100755
index 000000000..eea985111
--- /dev/null
+++ b/projects/digest/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 .
+
+for fuzzer in $(find $SRC -name 'fuzz_*.py'); do
+  compile_python_fuzzer $fuzzer
+done
+
diff --git a/projects/digest/fuzz_digest.py b/projects/digest/fuzz_digest.py
new file mode 100644
index 000000000..2365ebede
--- /dev/null
+++ b/projects/digest/fuzz_digest.py
@@ -0,0 +1,45 @@
+#!/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 os
+import sys
+import atheris
+
+import io
+import digest
+
+def TestOneInput(data):
+    fdp = atheris.FuzzedDataProvider(data)
+    alg = fdp.ConsumeUnicodeNoSurrogates(15)
+    b1 = fdp.ConsumeBytes(sys.maxsize)
+    try:
+        s1 = digest.digest(io.BytesIO(b1), alg, len(b1))
+    except SystemExit:
+        pass
+    except TypeError as e:
+        if "name must be a string" in str(e):
+            # non-interesting bug. Let the fuzzer continue
+            pass
+        else:
+            raise e
+
+def main():
+    atheris.instrument_all()
+    atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
+    atheris.Fuzz()
+
+
+if __name__ == "__main__":
+    main()
diff --git a/projects/digest/project.yaml b/projects/digest/project.yaml
new file mode 100644
index 000000000..ee9a17f52
--- /dev/null
+++ b/projects/digest/project.yaml
@@ -0,0 +1,11 @@
+homepage: "https://github.com/bmc/digest"
+language: python
+main_repo: "https://github.com/bmc/digest"
+fuzzing_engines:
+- libfuzzer
+sanitizers:
+- address
+- undefined
+vendor_ccs:
+- david@adalogics.com
+- adam@adalogics.com