From 32fd138d102498ee9af484189e83162d2a7db57f Mon Sep 17 00:00:00 2001 From: Roman Wagner Date: Tue, 26 Apr 2022 00:42:52 +0200 Subject: [PATCH] [javassist] Initial Integration (#7619) --- projects/javassist/ClassFuzzer.java | 55 +++++++++++++++++++++++++++++ projects/javassist/Dockerfile | 29 +++++++++++++++ projects/javassist/build.sh | 51 ++++++++++++++++++++++++++ projects/javassist/project.yaml | 12 +++++++ 4 files changed, 147 insertions(+) create mode 100644 projects/javassist/ClassFuzzer.java create mode 100644 projects/javassist/Dockerfile create mode 100644 projects/javassist/build.sh create mode 100644 projects/javassist/project.yaml diff --git a/projects/javassist/ClassFuzzer.java b/projects/javassist/ClassFuzzer.java new file mode 100644 index 000000000..65772c7aa --- /dev/null +++ b/projects/javassist/ClassFuzzer.java @@ -0,0 +1,55 @@ +// 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 com.code_intelligence.jazzer.api.FuzzedDataProvider; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.lang.RuntimeException; + +import javassist.ClassPool; +import javassist.CtClass; +import javassist.CannotCompileException; +import javassist.NotFoundException; +import java.lang.NullPointerException; + + +public class ClassFuzzer { + public static void fuzzerTestOneInput(FuzzedDataProvider data) { + ClassPool pool = ClassPool.getDefault(); + CtClass cc = null; + + try { + cc = pool.makeClass(new ByteArrayInputStream(data.consumeRemainingAsBytes())); + } catch (IOException | RuntimeException e) { + } + + try { + cc.getSuperclass(); + cc.getNestedClasses(); + cc.getClassFile(); + cc.getInterfaces(); + cc.getDeclaringClass(); + cc.getComponentType(); + } catch (NotFoundException | NullPointerException e) { + } + + try { + cc.toBytecode(); + } catch (IOException | NullPointerException | CannotCompileException e) { + } + } +} diff --git a/projects/javassist/Dockerfile b/projects/javassist/Dockerfile new file mode 100644 index 000000000..30741bb18 --- /dev/null +++ b/projects/javassist/Dockerfile @@ -0,0 +1,29 @@ +# 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-jvm + +RUN curl -L https://downloads.apache.org/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.zip -o maven.zip && \ + unzip maven.zip -d $SRC/maven && \ + rm -rf maven.zip + +ENV MVN $SRC/maven/apache-maven-3.6.3/bin/mvn + +RUN git clone --depth 1 https://github.com/jboss-javassist/javassist.git + +COPY build.sh $SRC/ +COPY ClassFuzzer.java $SRC/ +WORKDIR $SRC/javassist diff --git a/projects/javassist/build.sh b/projects/javassist/build.sh new file mode 100644 index 000000000..72db6179f --- /dev/null +++ b/projects/javassist/build.sh @@ -0,0 +1,51 @@ +#!/bin/bash -eu +# Copyright 2022 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +################################################################################ + + +MAVEN_ARGS="-Djavac.src.version=15 -Djavac.target.version=15 -DskipTests" +$MVN package org.apache.maven.plugins:maven-shade-plugin:3.2.4:shade $MAVEN_ARGS +CURRENT_VERSION=$($MVN org.apache.maven.plugins:maven-help-plugin:3.2.0:evaluate \ + -Dexpression=project.version -q -DforceStdout) +cp "target/javassist-$CURRENT_VERSION.jar" $OUT/javassist.jar + +ALL_JARS="javassist.jar" + +# The classpath at build-time includes the project jars in $OUT as well as the +# Jazzer API. +BUILD_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "$OUT/%s:"):$JAZZER_API_PATH + +# All .jar and .class files lie in the same directory as the fuzzer at runtime. +RUNTIME_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "\$this_dir/%s:"):\$this_dir + +for fuzzer in $(find $SRC -name '*Fuzzer.java'); do + fuzzer_basename=$(basename -s .java $fuzzer) + javac -cp $BUILD_CLASSPATH $fuzzer + cp $SRC/$fuzzer_basename.class $OUT/ + + + # Create an execution wrapper that executes Jazzer with the correct arguments. + echo "#!/bin/sh +# LLVMFuzzerTestOneInput for fuzzer detection. +this_dir=\$(dirname \"\$0\") +LD_LIBRARY_PATH=\"$JVM_LD_LIBRARY_PATH\":\$this_dir \ +\$this_dir/jazzer_driver --agent_path=\$this_dir/jazzer_agent_deploy.jar \ +--cp=$RUNTIME_CLASSPATH \ +--target_class=$fuzzer_basename \ +--jvm_args=\"-Xmx2048m\" \ +\$@" > $OUT/$fuzzer_basename + chmod u+x $OUT/$fuzzer_basename +done diff --git a/projects/javassist/project.yaml b/projects/javassist/project.yaml new file mode 100644 index 000000000..4b079fa27 --- /dev/null +++ b/projects/javassist/project.yaml @@ -0,0 +1,12 @@ +homepage: "http://www.javassist.org/" +language: jvm +primary_contact: "wagner@code-intelligence.com" +auto_ccs: + - "wagner@code-intelligence.com" + - "yakdan@code-intelligence.com" + - "glendowne@code-intelligence.com" +fuzzing_engines: + - libfuzzer +main_repo: "https://github.com/jboss-javassist/javassist" +sanitizers: + - address