gc-iam:initial integration (#8086)

Create fuzzer

projects/gc-iam/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 --depth=1 https://github.com/googleapis/python-iam
+WORKDIR python-iam
+
+COPY build.sh fuzz_*.py $SRC/

projects/gc-iam/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 google-cloud-core
+pip3 install .
+
+for fuzzer in $(find $SRC -name 'fuzz_*.py'); do
+  compile_python_fuzzer $fuzzer
+done

projects/gc-iam/fuzz_credentials.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 sys
+import atheris
+with atheris.instrument_imports():
+    import google.cloud.iam_credentials_v1.services.iam_credentials as iam
+
+def TestOneInput(data):
+    fdp = atheris.FuzzedDataProvider(data)
+
+    iam.IAMCredentialsClient._get_default_mtls_endpoint(None)
+    iam.IAMCredentialsClient._get_default_mtls_endpoint(fdp.ConsumeString(100))
+
+    iam.IAMCredentialsClient.service_account_path(
+        fdp.ConsumeString(100),
+        fdp.ConsumeString(100)
+    )
+    iam.IAMCredentialsClient.parse_service_account_path(fdp.ConsumeString(100))
+    iam.IAMCredentialsClient.parse_service_account_path(
+        "projects/%s/serviceAccounts/%s"%(
+            fdp.ConsumeString(100),
+            fdp.ConsumeString(100)
+        )
+    )
+
+    iam.IAMCredentialsClient.common_billing_account_path(fdp.ConsumeString(100))
+    iam.IAMCredentialsClient.parse_common_billing_account_path(fdp.ConsumeString(100))
+    iam.IAMCredentialsClient.parse_common_billing_account_path(
+        "billingAccounts/%s/"%fdp.ConsumeString(100)
+    )
+
+    iam.IAMCredentialsClient.common_folder_path(fdp.ConsumeString(100))
+    iam.IAMCredentialsClient.parse_common_folder_path(fdp.ConsumeString(100))
+    iam.IAMCredentialsClient.parse_common_folder_path(
+        "folders/%s/"%fdp.ConsumeString(100)
+    )
+
+    iam.IAMCredentialsClient.common_organization_path(fdp.ConsumeString(100))
+    iam.IAMCredentialsClient.parse_common_organization_path(fdp.ConsumeString(100))
+    iam.IAMCredentialsClient.parse_common_organization_path(
+        "organizations/%s/"%fdp.ConsumeString(100)
+    )
+
+    iam.IAMCredentialsClient.common_project_path(fdp.ConsumeString(100))
+    iam.IAMCredentialsClient.parse_common_project_path(fdp.ConsumeString(100))
+    iam.IAMCredentialsClient.parse_common_project_path(
+        "projects/%s/"%fdp.ConsumeString(100)
+    )
+
+    iam.IAMCredentialsClient.common_location_path(
+        fdp.ConsumeString(100),
+        fdp.ConsumeString(100)
+    )
+    iam.IAMCredentialsClient.parse_common_location_path(fdp.ConsumeString(100))
+    iam.IAMCredentialsClient.parse_common_location_path(
+        "projects/%s/locations/%s"%(
+            fdp.ConsumeString(100),
+            fdp.ConsumeString(100)
+        )
+    )
+
+def main():
+    atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
+    atheris.Fuzz()
+
+if __name__ == "__main__":
+    main()

projects/gc-iam/project.yaml

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