grass-addons: initial integration

projects/grass-addons/Dockerfile

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+# Copyright 2024 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
+RUN git clone --depth 1 https://github.com/OSGeo/grass-addons.git /src/grass-addons
+WORKDIR /src/grass-addons
+COPY build.sh $SRC/

projects/grass-addons/build.sh

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+#!/bin/bash -eu
+# Copyright 2024 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.
+#
+################################################################################
+
+mkdir build
+cd build
+cmake ..
+make -j$(nproc)
+
+$CXX $CXXFLAGS -I /src/grass-addons/include /src/grass-addons/fuzz_target.c -o $OUT/fuzz_target \
+    $LIB_FUZZING_ENGINE /src/grass-addons/src/*.o

projects/grass-addons/fuzz_target.c

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+// Copyright 2024 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.
+
+#include <stdint.h>
+#include <stddef.h>
+#include "pavl.h"
+#include "sort.h"
+#include "local_proto.h"
+#include "test_simulation.cpp"
+#include "test_treatments.cpp"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+    if (size < sizeof(int))
+        return 0;
+
+    int input = *(int *)data;
+
+    // fuzz test for pavl_create function from pavl.h
+    struct pavl_table *table = pavl_create(NULL, NULL, NULL);
+    if (table) {
+        pavl_destroy(table, NULL);
+    }
+
+    // fuzz test for Mergesort_increasing_smallest_azimuth function from sort.h
+    struct node head;
+    struct node tail;
+    Mergesort_increasing_smallest_azimuth(&head, &tail);
+
+    // Fuzz test for functions from local_proto.h
+    float result = f_and(input, input, E);
+    result += f_or(input, input, E);
+    result += f_not(input, E);
+
+    // Fuzz test for test_simulation.cpp
+    ret += test_calling_all_functions();
+
+    // Fuzz test for test_treatments.cpp
+    ret += test_steering();
+
+    return 0;
+}

projects/grass-addons/project.yaml

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+name: grass-addons
+path: OSGeo/grass-addons
+homepage: "https://grass.osgeo.org/grass-stable/manuals/addons/"
+language: c++
+primary_contact: "[email protected]"
+fuzzing_engines:
+  - libfuzzer
+sanitizers:
+  - address
+  - undefined
+main_repo: 'https://github.com/OSGeo/grass-addons'