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Martin Regen 1032d719da More fuzz targets for binary and Xml decoders (#2621)
- let all Xml encoders and decoders follow the dispose pattern, similar to all the other encoders.
- Add fuzz targets for Xml and binary indempotent fuzzer.
- add a ReadOnlySpan<byte> signature for WriteByteString
- add ArrayPool based IBufferWriter<byte> to support encoding of large byte string with buffers
- add Azure DevOps ci pipeline tests with known artifacts that caused fuzzing errors, to catch regressions.
2024-08-05 08:35:58 +02:00

108 lines
3.8 KiB
C#

/* ========================================================================
* Copyright (c) 2005-2021 The OPC Foundation, Inc. All rights reserved.
*
* OPC Foundation MIT License 1.00
*
* Permission is hereby granted, free of charge, to any person
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*
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* OTHER DEALINGS IN THE SOFTWARE.
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography.X509Certificates;
using Opc.Ua.Security.Certificates;
using Assert = NUnit.Framework.Legacy.ClassicAssert;
namespace Opc.Ua.Tests
{
#region Asset Helpers
/// <summary>
/// The interface to initialize an asset.
/// </summary>
public interface IAsset
{
void Initialize(byte[] blob, string path);
}
/// <summary>
/// Create a collection of test assets.
/// </summary>
public class AssetCollection<T> : List<T> where T : IAsset, new()
{
public AssetCollection() { }
public AssetCollection(IEnumerable<T> collection) : base(collection) { }
public AssetCollection(int capacity) : base(capacity) { }
public static AssetCollection<T> ToAssetCollection(T[] values)
{
return values != null ? new AssetCollection<T>(values) : new AssetCollection<T>();
}
public AssetCollection(IEnumerable<string> filelist)
{
foreach (var file in filelist)
{
Add(file);
}
}
public void Add(string path)
{
byte[] blob = File.ReadAllBytes(path);
T asset = new T();
asset.Initialize(blob, path);
Add(asset);
}
}
#endregion
#region TestUtils
/// <summary>
/// Test helpers.
/// </summary>
public static class TestUtils
{
public static string[] EnumerateTestAssets(string folder, string searchPattern)
{
var assetsPath = Utils.GetAbsoluteDirectoryPath(folder, true, false, false);
if (assetsPath != null)
{
return Directory.EnumerateFiles(assetsPath, searchPattern).ToArray();
}
return Array.Empty<string>();
}
public static void ValidateSelSignedBasicConstraints(X509Certificate2 certificate)
{
var basicConstraintsExtension = X509Extensions.FindExtension<X509BasicConstraintsExtension>(certificate.Extensions);
Assert.NotNull(basicConstraintsExtension);
Assert.False(basicConstraintsExtension.CertificateAuthority);
Assert.True(basicConstraintsExtension.Critical);
Assert.False(basicConstraintsExtension.HasPathLengthConstraint);
}
}
#endregion
}