Add libical (#2298)

projects/libical/Dockerfile

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+# Copyright 2019 Google Inc.
+#
+# 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
+MAINTAINER tsdgeos@gmail.com
+RUN apt-get install --yes cmake
+RUN git clone --depth 1 https://github.com/libical/libical.git
+COPY build.sh $SRC
+COPY libical_fuzzer.cc $SRC
+WORKDIR libical
+
+
+

projects/libical/build.sh

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+cmake . -DBUILD_SHARED_LIBS=OFF -DICAL_GLIB=False
+make install -j$(nproc)
+
+$CXX $CXXFLAGS -std=c++11 $SRC/libical_fuzzer.cc -lFuzzingEngine /usr/local/lib/libical.a -o $OUT/libical_fuzzer
+
+find . -name *.ics -print | zip -q $OUT/libical_fuzzer_seed_corpus.zip -@

projects/libical/libical_fuzzer.cc

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+/*
+# Copyright 2019 Google Inc.
+#
+# 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.
+#
+################################################################################
+*/
+
+/*
+  Usage:
+    python infra/helper.py build_image libical
+    python infra/helper.py build_fuzzers --sanitizer undefined|address|memory libical
+    python infra/helper.py run_fuzzer libical libical_fuzzer
+*/
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <libical/ical.h>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+    char *ical_string = (char*)malloc(size + 1);
+    memcpy(ical_string, data, size);
+    ical_string[size] = '\0';
+
+    icalcomponent *component = icalparser_parse_string(ical_string);
+    icalcomponent_free(component);
+
+    free(ical_string);
+
+    return 0;
+}

projects/libical/project.yaml

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+homepage: https://github.com/libical/libical
+primary_contact: tsdgeos@gmail.com
+auto_ccs:
+  - allen.d.winter@gmail.com
+sanitizers:
+  - address
+  - memory
+  - undefined