From 4eb1930dda72f943756a47dfe484bb905b58ef5e Mon Sep 17 00:00:00 2001
From: Henry Lin <henryharry93@gmail.com>
Date: Tue, 7 Jun 2022 03:34:49 +0200
Subject: [PATCH] Tomcat: initial integration (#7790)

Initial integration
---
 projects/tomcat/Dockerfile            | 38 ++++++++++++++++++++
 projects/tomcat/HttpParserFuzzer.java | 10 ++++++
 projects/tomcat/build.sh              | 51 +++++++++++++++++++++++++++
 projects/tomcat/project.yaml          | 12 +++++++
 4 files changed, 111 insertions(+)
 create mode 100644 projects/tomcat/Dockerfile
 create mode 100644 projects/tomcat/HttpParserFuzzer.java
 create mode 100755 projects/tomcat/build.sh
 create mode 100644 projects/tomcat/project.yaml

diff --git a/projects/tomcat/Dockerfile b/projects/tomcat/Dockerfile
new file mode 100644
index 000000000..5bc18ff1d
--- /dev/null
+++ b/projects/tomcat/Dockerfile
@@ -0,0 +1,38 @@
+# 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://dlcdn.apache.org//ant/binaries/apache-ant-1.10.12-bin.tar.gz -o ant.tar.gz && \
+    mkdir -p $SRC/ant && \
+    tar -zxvf ant.tar.gz -C $SRC/ant --strip-components=1 && \
+    rm -rf ant.tar.gz
+
+ARG java_home="/out/open-jdk-17"
+
+RUN apt update && apt install -y openjdk-17-jdk
+ENV JAVA_HOME $java_home
+ENV PATH "${java_home}:${PATH}"
+ENV JVM_LD_LIBRARY_PATH "$java_home/lib/server"
+
+ENV ANT_HOME=$SRC/ant
+ENV ANT $SRC/ant/bin/ant
+
+RUN git clone --depth 1 https://github.com/apache/tomcat
+
+COPY build.sh $SRC/
+COPY *Fuzzer.java $SRC/
+WORKDIR $SRC/tomcat
\ No newline at end of file
diff --git a/projects/tomcat/HttpParserFuzzer.java b/projects/tomcat/HttpParserFuzzer.java
new file mode 100644
index 000000000..602908aa6
--- /dev/null
+++ b/projects/tomcat/HttpParserFuzzer.java
@@ -0,0 +1,10 @@
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+import com.code_intelligence.jazzer.api.FuzzerSecurityIssueHigh;
+import org.apache.tomcat.util.http.parser.HttpParser;
+
+public class HttpParserFuzzer {
+    public static void fuzzerTestOneInput(FuzzedDataProvider data) {
+        String input = data.consumeRemainingAsString();
+        HttpParser.unquote(input);
+    }
+}
diff --git a/projects/tomcat/build.sh b/projects/tomcat/build.sh
new file mode 100755
index 000000000..86709efdc
--- /dev/null
+++ b/projects/tomcat/build.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+cp -r "/usr/lib/jvm/java-17-openjdk-amd64/" "$JAVA_HOME"
+
+$ANT
+
+cp "output/build/lib/tomcat-coyote.jar" "$OUT/tomcat-coyote.jar"
+cp "output/build/lib/tomcat-util.jar" "$OUT/tomcat-util.jar"
+
+ALL_JARS="tomcat-coyote.jar tomcat-util.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 --release 17
+  cp $SRC/$fuzzer_basename.class $OUT/
+
+  # Create an execution wrapper that executes Jazzer with the correct arguments.
+  echo "#!/bin/sh
+# LLVMFuzzerTestOneInput for fuzzer detection.
+this_dir=\$(dirname \"\$0\")
+JAVA_HOME=\"\$this_dir/open-jdk-17/\" \
+LD_LIBRARY_PATH=\"$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
\ No newline at end of file
diff --git a/projects/tomcat/project.yaml b/projects/tomcat/project.yaml
new file mode 100644
index 000000000..22a44b9c0
--- /dev/null
+++ b/projects/tomcat/project.yaml
@@ -0,0 +1,12 @@
+homepage: "https://github.com/apache/tomcat"
+language: jvm
+main_repo: "https://github.com/apache/tomcat"
+fuzzing_engines:
+  - libfuzzer
+sanitizers:
+  - address
+vendor_ccs:
+  - "wagner@code-intelligence.com"
+  - "yakdan@code-intelligence.com"
+  - "glendowne@code-intelligence.com"
+  - "patrice.salathe@code-intelligence.com"
\ No newline at end of file