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Mina Farid
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Adding Fuzzing Test Target LevelDb (#1685)
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‎Firestore/Example/FuzzTests/FuzzingResources/LevelDb/leveldb.dictionary

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# Copyright 2018 Google
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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separator=":"
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# Enum values for component labels
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terminator="0"
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tablename="5"
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batchid="10"
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canonicalid="11"
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targetid="12"
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userid="13"
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pathsegment="62"
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unknown="63"
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# Constants.
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"version"
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"mutation"
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"document_mutation"
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"mutation_queue"
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"target_global"
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"target"
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"query_target"
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"target_document"
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"document_target"
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"remote_document"
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# Special characters.
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underscore="_"
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dot="."
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semicolon=";"
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quote="'"
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quotes="\""
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foreslash="/"
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backslash="\\"
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dollar="$"
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hash="#"
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asterisk="*"
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bracket1="("
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bracket2=")"
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bracket3="{"
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bracket4="}"
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bracket5="<"
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bracket6=">"
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ques="?"
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excl="!"
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at="@"
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hat="^"
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and="&"
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plus="+"
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dash="-"
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mod="|"
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‎Firestore/fuzzing/CMakeLists.txt

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SOURCES resourcepath_fuzzer.cc
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DEPENDS firebase_firestore_model
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)
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# LevelDB fuzzer.
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cc_fuzz_test(
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leveldb_fuzzer
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DICTIONARY ${fuzzing_resources}/LevelDb/leveldb.dictionary
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SOURCES leveldb_fuzzer.cc
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DEPENDS firebase_firestore_local_persistence_leveldb
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)

‎Firestore/fuzzing/leveldb_fuzzer.cc

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/*
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* Copyright 2018 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <cstddef>
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#include <cstdint>
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#include <string>
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#include "Firestore/core/src/firebase/firestore/local/leveldb_key.h"
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#include "Firestore/core/src/firebase/firestore/local/leveldb_util.h"
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using firebase::firestore::local::LevelDbDocumentMutationKey;
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using firebase::firestore::local::LevelDbDocumentTargetKey;
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using firebase::firestore::local::LevelDbMutationKey;
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using firebase::firestore::local::LevelDbMutationQueueKey;
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using firebase::firestore::local::LevelDbQueryTargetKey;
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using firebase::firestore::local::LevelDbRemoteDocumentKey;
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using firebase::firestore::local::LevelDbTargetDocumentKey;
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using firebase::firestore::local::LevelDbTargetGlobalKey;
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using firebase::firestore::local::LevelDbTargetKey;
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using firebase::firestore::model::BatchId;
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using firebase::firestore::model::ResourcePath;
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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const char* str_ptr = reinterpret_cast<const char*>(data);
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absl::string_view str{str_ptr, size};
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leveldb::Slice slice = firebase::firestore::local::MakeSlice(str);
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// Test DescribeKey(std::string) which calls MakeSlice(std::string).
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try {
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firebase::firestore::local::DescribeKey(str);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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// Test LevelDbMutationKey methods.
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try {
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LevelDbMutationKey::KeyPrefix(str);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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try {
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BatchId batch_id{static_cast<int>(size)};
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LevelDbMutationKey::Key(str, batch_id);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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try {
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LevelDbMutationKey key;
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key.Decode(str);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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// Test LevelDbDocumentMutationKey methods.
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try {
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LevelDbDocumentMutationKey::KeyPrefix(str);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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try {
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LevelDbDocumentMutationKey key;
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key.Decode(str);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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// Test LevelDbMutationQueueKey methods.
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try {
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LevelDbMutationQueueKey::Key(str);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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try {
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LevelDbMutationQueueKey key;
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key.Decode(slice);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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// Test LevelDbTargetGlobalKey methods.
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try {
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LevelDbTargetGlobalKey key;
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key.Decode(slice);
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} catch (...) {
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// ignore caught errors and assertions.
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}
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// Test LevelDbTargetKey methods.
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try {
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LevelDbTargetKey key;
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key.Decode(slice);
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} catch (...) {
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// ignore caught errors and assertions.
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}
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// Test LevelDbQueryTargetKey methods.
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try {
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LevelDbQueryTargetKey::KeyPrefix(str);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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try {
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LevelDbQueryTargetKey key;
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key.Decode(str);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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// Test LevelDbTargetDocumentKey methods.
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try {
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LevelDbTargetDocumentKey key;
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key.Decode(str);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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// Test LevelDbDocumentTargetKey methods.
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try {
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ResourcePath rp = ResourcePath::FromString(str);
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LevelDbDocumentTargetKey::KeyPrefix(rp);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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try {
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LevelDbDocumentTargetKey key;
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key.Decode(str);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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// Test LevelDbRemoteDocumentKey methods.
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try {
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ResourcePath rp = ResourcePath::FromString(str);
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LevelDbRemoteDocumentKey::KeyPrefix(rp);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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try {
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LevelDbRemoteDocumentKey key;
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key.Decode(str);
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} catch (...) {
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// Ignore caught errors and assertions.
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}
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return 0;
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}

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