oracle-py-cx: Initial integration (#8420)

projects/oracle-py-cx/Dockerfile

@@ -0,0 +1,35 @@
+# 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 mkdir -p /opt/oracle
+WORKDIR /opt/oracle
+RUN wget https://download.oracle.com/otn_software/linux/instantclient/216000/instantclient-basic-linux.x64-21.6.0.0.0dbru.zip && \
+    unzip instantclient-basic-linux.x64-21.6.0.0.0dbru.zip && \
+    rm instantclient-basic-linux.x64-21.6.0.0.0dbru.zip && \
+    echo /opt/oracle/instantclient_21_6 > /etc/ld.so.conf.d/oracle-instantclient.conf && \
+    ldconfig
+
+ENV LD_LIBRARY_PATH=/opt/oracle/instantclient_21_6
+RUN apt-get install libaio1 libaio-dev
+RUN pip3 install --upgrade pip && pip install requests
+
+RUN git clone https://github.com/oracle/python-cx_Oracle oracle-py-cx
+WORKDIR oracle-py-cx
+RUN  git submodule init && \
+     git submodule update
+
+COPY build.sh fuzz_*.py $SRC/

projects/oracle-py-cx/build.sh

@@ -0,0 +1,21 @@
+#!/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 --add-binary /opt/oracle/instantclient_21_6:./ --add-binary /usr/lib/x86_64-linux-gnu/:./
+done

projects/oracle-py-cx/fuzz_basic.py

@@ -0,0 +1,94 @@
+#!/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
+import time
+import socket
+import threading
+import cx_Oracle
+
+fuzzed_input = b""
+
+
+def SetFuzzedInput(input_bytes):
+    global fuzzed_input
+    fuzzed_input = input_bytes
+
+
+class ServerThread(threading.Thread):
+    def __init__(self):
+        self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        self.s.bind(("127.0.0.1", 8009))
+        self.s.settimeout(0.4)
+        self.s.listen(1)
+
+        threading.Thread.__init__(self)
+
+    def run(self):
+        global fuzzed_input
+        try:
+            conn, addr = self.s.accept()
+        except socket.timeout:
+            return
+        conn.recv(1024)
+        conn.send(fuzzed_input)
+        time.sleep(0.005)
+        conn.close()
+        self.s.shutdown(1)
+        self.s.close()
+        time.sleep(0.01)
+
+
+@atheris.instrument_func
+def TestInput(data):
+    t1 = ServerThread()
+    t1.start()
+
+    fdp = atheris.FuzzedDataProvider(data)
+    args = dict()
+    args['user'] = fdp.ConsumeUnicodeNoSurrogates(64)
+    args['password'] = fdp.ConsumeUnicodeNoSurrogates(64)
+    args['dsn'] = "127.0.0.1:8009"
+    if fdp.ConsumeBool():
+        args['newpassword'] = fdp.ConsumeUnicodeNoSurrogates(64)
+    if fdp.ConsumeBool():
+        args['nencoding'] = fdp.ConsumeUnicodeNoSurrogates(64)
+
+    SetFuzzedInput(fdp.ConsumeBytes(400))
+    try:
+        connection = cx_Oracle.connect(**args)
+    except cx_Oracle.DatabaseError:
+        connection = None
+        pass
+
+    if connection is None:
+        t1.join()
+        return
+
+    cursor = connection.cursor()
+    cursor.execute(fdp.ConsumeUnicodeNoSurrogates(1024))
+    t1.join()
+
+
+def main(): 
+    atheris.Setup(sys.argv, TestInput, enable_python_coverage=True)
+    atheris.instrument_all()
+    atheris.Fuzz()
+
+
+if __name__ == "__main__":
+    main()

projects/oracle-py-cx/project.yaml

@@ -0,0 +1,12 @@
+fuzzing_engines:
+- libfuzzer
+homepage: https://github.com/oracle/python-cx_Oracle
+language: python
+main_repo: https://github.com/oracle/python-cx_Oracle
+sanitizers:
+- address
+- undefined
+vendor_ccs:
+- david@adalogics.com
+- adam@adalogics.com
+- arthur.chan@adalogics.com