mosquitto: initial integration (#9536)

There is currently a different PR open (#8793), but the mosquitto
project would prefer this implementation.

---------

Co-authored-by: jonathanmetzman <31354670+jonathanmetzman@users.noreply.github.com>

projects/mosquitto/Dockerfile

@@ -0,0 +1,26 @@
+# Copyright 2023 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
+
+# Main repo
+RUN git clone --depth 1 -b develop https://github.com/eclipse/mosquitto ${SRC}/mosquitto
+
+# Get dependencies
+RUN $SRC/mosquitto/fuzzing/scripts/oss-fuzz-dependencies.sh
+
+WORKDIR $SRC/mosquitto
+COPY build.sh $SRC/

projects/mosquitto/build.sh

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+#!/bin/bash -eu
+# Copyright 2023 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.
+#
+################################################################################
+
+# Run build script from the mosquitto repo
+./fuzzing/scripts/oss-fuzz-build.sh

projects/mosquitto/project.yaml

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+homepage: "https://mosquitto.org/"
+language: c
+primary_contact: "roger@atchoo.org"
+auto_ccs:
+ - "security@eclipse.org"
+ - "rogerlight@gmail.com"
+sanitizers:
+ - address
+ - memory:
+    experimental: True
+ - undefined
+main_repo: 'https://github.com/eclipse/mosquitto'