mirror of https://github.com/google/oss-fuzz.git
63 lines
2.5 KiB
Java
63 lines
2.5 KiB
Java
// Copyright 2022 Google LLC
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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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////////////////////////////////////////////////////////////////////////////////
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import com.code_intelligence.jazzer.api.FuzzedDataProvider;
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import com.code_intelligence.jazzer.api.FuzzerSecurityIssueHigh;
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import jakarta.el.ExpressionFactory;
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import jakarta.el.ELException;
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import jakarta.el.ELContext;
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import jakarta.el.ValueExpression;
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import jakarta.el.MethodExpression;
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import org.apache.el.lang.ELSupport;
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import org.apache.jasper.el.ELContextImpl;
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public class ELEvaluationFuzzer {
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public static void fuzzerTestOneInput(FuzzedDataProvider data) {
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String str = data.consumeRemainingAsString();
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try {
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evaluateExpression(str);
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} catch (ELException | IllegalArgumentException | ArithmeticException e) {
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}
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try {
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ExpressionFactory factory = ExpressionFactory.newInstance();
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ELContext context = new ELContextImpl(factory);
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MethodExpression me1 = factory.createMethodExpression(context, str, String.class, new Class<?>[] {});
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MethodExpression me2 = factory.createMethodExpression(context, str, String.class, new Class<?>[] { String.class });
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MethodExpression me3 = factory.createMethodExpression(context, str, null, new Class<?>[] {});
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MethodExpression me4 = factory.createMethodExpression(context, str, null, new Class[]{String.class});
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Object r1 = me1.invoke(context, null);
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Object r2 = me2.invoke(context, null);
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Object r3 = me3.invoke(context, null);
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Object r4 = me4.invoke(context, null);
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} catch (ELException e) {
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}
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}
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public static String evaluateExpression(String expression) {
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ExpressionFactory exprFactory = ExpressionFactory.newInstance();
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ELContextImpl ctx = new ELContextImpl(exprFactory);
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ValueExpression ve = exprFactory.createValueExpression(ctx, expression, String.class);
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return (String) ve.getValue(ctx);
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}
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} |