psycopg2: initial integration (#7773)

* psycopg2: initial integration
build initial fuzzer

* Fix Dockerfile
Fix error handling

* Fix data length
Fix formatting

* Fix fuzzer

* Fix project contact

4 files changed, 103 insertions, 0 deletions

diff --git a/projects/psycopg2/Dockerfile b/projects/psycopg2/Dockerfile
new file mode 100644
index 00000000..4ffab027
--- /dev/null
+++ b/projects/psycopg2/Dockerfile
@@ -0,0 +1,24 @@
+# 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 install libpq-dev postgresql -y
+
+RUN git clone https://github.com/psycopg/psycopg2
+WORKDIR psycopg2
+
+COPY build.sh fuzz_*.py $SRC/
diff --git a/projects/psycopg2/build.sh b/projects/psycopg2/build.sh
new file mode 100644
index 00000000..0428cf98
--- /dev/null
+++ b/projects/psycopg2/build.sh
@@ -0,0 +1,24 @@
+#!/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.
+#
+################################################################################
+
+# Build and install project (using current CFLAGS, CXXFLAGS).
+pip3 install --upgrade pip
+pip3 install .
+
+for fuzzer in $(find $SRC -name 'fuzz_*.py'); do
+    compile_python_fuzzer $fuzzer
+done
diff --git a/projects/psycopg2/fuzz_sql.py b/projects/psycopg2/fuzz_sql.py
new file mode 100644
index 00000000..2b802ba8
--- /dev/null
+++ b/projects/psycopg2/fuzz_sql.py
@@ -0,0 +1,43 @@
+#!/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
+from psycopg2 import sql 
+
+def TestInput(data):
+    fdp = atheris.FuzzedDataProvider(data)
+
+    try:
+        # Create an SQL statement and perform a set of operations on it.
+        query = sql.SQL(fdp.ConsumeString(100))
+        i1 = sql.Identifier(fdp.ConsumeString(25))
+        i2 = sql.Identifier(fdp.ConsumeString(25))
+        i3 = sql.Identifier(fdp.ConsumeString(25))
+        i4 = sql.Identifier(fdp.ConsumeString(25))
+        i5 = sql.Identifier(fdp.ConsumeString(25))
+        q1 = sql.SQL(fdp.ConsumeString(100))
+        q1.join([i1, i2])
+        query.format(q1, i3,  i4)
+        comp = sql.Composed([query, i5])
+    except (TypeError, ValueError) as e:
+       pass
+
+def main():
+    atheris.instrument_all()
+    atheris.Setup(sys.argv, TestInput, enable_python_coverage=True)
+    atheris.Fuzz()
+
+if __name__ == "__main__":
+  main()
diff --git a/projects/psycopg2/project.yaml b/projects/psycopg2/project.yaml
new file mode 100644
index 00000000..1f9c5b2f
--- /dev/null
+++ b/projects/psycopg2/project.yaml
@@ -0,0 +1,12 @@
+fuzzing_engines:
+- libfuzzer
+homepage: https://github.com/psycopg/psycopg2
+language: python
+main_repo: https://github.com/psycopg/psycopg2
+primary_contact: "daniele.varrazzo@gmail.com"
+sanitizers:
+- address
+vendor_ccs:
+- david@adalogics.com
+- adam@adalogics.com
+- arthur.chan@adalogics.com