ntlm2-request: initial integration (#7800)

* ntlm2-request: initial integration

projects/ntlm2/Dockerfile

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+# 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/dopstar/requests-ntlm2
+WORKDIR requests-ntlm2
+
+COPY build.sh fuzz_*.py $SRC/

projects/ntlm2/build.sh

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+#!/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

projects/ntlm2/fuzz_auth.py

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+#!/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 socket
+import time
+from threading import Thread
+with atheris.instrument_imports():
+    import requests
+    from requests.exceptions import InvalidURL,ConnectionError
+    from requests_ntlm2 import HttpNtlmAuth
+
+class ServerThread(Thread):
+    def __init__(self, fdp):
+        self.fdp = fdp
+
+        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", 8001))
+        self.s.listen(1)
+
+        Thread.__init__(self)
+
+    def run(self):
+        conn, addr = self.s.accept()
+        conn.recv(self.fdp.ConsumeIntInRange(1024,2048))
+        conn.send(self.fdp.ConsumeBytes(2048))
+        time.sleep(0.005)
+        conn.close()
+        self.s.shutdown(1)
+        self.s.close()
+        time.sleep(0.01)
+
+def TestInput(data):
+    fdp = atheris.FuzzedDataProvider(data)
+
+    t1 = ServerThread(fdp)
+    t1.start()
+
+    session = requests.Session()
+    auth = HttpNtlmAuth(fdp.ConsumeString(50),fdp.ConsumeString(10))
+    session.auth = HttpNtlmAuth(fdp.ConsumeString(50),fdp.ConsumeString(10))
+
+    try:
+       requests.get('http://localhost:8001/%s'%fdp.ConsumeString(20),auth=auth)
+       session.get('http://localhost:8001/%s'%fdp.ConsumeString(20))
+    except (InvalidURL,ConnectionError) as e:
+       pass
+
+    t1.join()
+
+def main(): 
+    atheris.Setup(sys.argv, TestInput, enable_python_coverage=True)
+    atheris.instrument_all()
+    atheris.Fuzz()
+
+if __name__ == "__main__":
+  main()

projects/ntlm2/fuzz_core.py

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+#!/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 requests_ntlm2.core as core
+
+def TestInput(data):
+    fdp = atheris.FuzzedDataProvider(data)
+
+    core.get_ntlm_credentials(fdp.ConsumeString(50),fdp.ConsumeString(50))
+    core.fix_target_info(fdp.ConsumeBytes(100))
+
+def main(): 
+    atheris.Setup(sys.argv, TestInput, enable_python_coverage=True)
+    atheris.instrument_all()
+    atheris.Fuzz()
+
+if __name__ == "__main__":
+  main()

projects/ntlm2/project.yaml

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+fuzzing_engines:
+- libfuzzer
+homepage: https://github.com/dopstar/requests-ntlm2
+language: python
+main_repo: https://github.com/dopstar/requests-ntlm2
+sanitizers:
+- address
+- undefined
+vendor_ccs:
+- david@adalogics.com
+- adam@adalogics.com
+- arthur.chan@adalogics.com