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Project added for fuzz-testing (#74)
* Project added for fuzz-testing https://github.com/Metalnem/sharpfuzz is used for this. * Fuzz-buildconfig otherwise CI will fail, because instrumented isn't checked in * Update fuzz/gfoidl.Base64.FuzzTests/Program.cs
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@@ -220,3 +220,4 @@ _Pvt_Extensions | |
| # Projekte mit Schema nach gfoidl | ||
| /source/packages | ||
| /NuGet-Packed | ||
| /fuzz/instrumented | ||
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| using System; | ||
| using System.Text; | ||
| using SharpFuzz; | ||
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| // see https://github.com/Metalnem/sharpfuzz-samples | ||
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| namespace gfoidl.Base64.FuzzTests | ||
| { | ||
| class Program | ||
| { | ||
| static void Main(string[] args) | ||
| { | ||
| if (args.Length < 1) | ||
| { | ||
| Console.WriteLine("Fuzzing method must be given"); | ||
| Environment.Exit(1); | ||
| } | ||
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| switch (args[0]) | ||
| { | ||
| case "Base64_Default_String": Fuzzer.Run(Base64_Default_String); break; | ||
| case "Base64_Url_String" : Fuzzer.Run(Base64_Url_String); break; | ||
| default: | ||
| Console.WriteLine($"Unknown fuzzing function: {args[0]}"); | ||
| Environment.Exit(2); | ||
| throw null; | ||
| } | ||
| } | ||
| //--------------------------------------------------------------------- | ||
| private static void Base64_Default_String(string input) => Base64_String(input, Base64.Default); | ||
| private static void Base64_Url_String(string input) => Base64_String(input, Base64.Url); | ||
| //--------------------------------------------------------------------- | ||
| private static void Base64_String(string input, Base64 encoder) | ||
| { | ||
| byte[] inputBytes = Encoding.UTF8.GetBytes(input); | ||
| string base64 = encoder.Encode(inputBytes); | ||
| byte[] decoded = encoder.Decode(base64); | ||
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| if (!inputBytes.AsSpan().SequenceEqual(decoded)) | ||
| { | ||
| throw new Exception("Roundtripping failed"); | ||
| } | ||
| } | ||
| } | ||
| } |
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fuzz/gfoidl.Base64.FuzzTests/gfoidl.Base64.FuzzTests.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>netcoreapp3.0</TargetFramework> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="SharpFuzz" Version="1.6.1" /> | ||
| <PackageReference Include="Sigil" Version="4.7.0" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <Reference Include="gfoidl.Base64"> | ||
| <HintPath>..\instrumented\gfoidl.Base64.dll</HintPath> | ||
| </Reference> | ||
| </ItemGroup> | ||
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| </Project> |
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| #!/bin/bash | ||
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| echo "See https://github.com/Metalnem/sharpfuzz for setup" | ||
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| lib=gfoidl.Base64.dll | ||
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| mkdir ./instrumented | ||
| cp ../source/gfoidl.Base64/bin/Release/netcoreapp3.0/$lib ./instrumented/$lib | ||
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| sharpfuzz ./instrumented/$lib |
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| #!/bin/bash | ||
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| afl-fuzz -i testcases -o findings -m 10000 dotnet gfoidl.Base64.FuzzTests/bin/Debug/netcoreapp3.0/gfoidl.Base64.FuzzTests.dll $* |
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| @@ -0,0 +1 @@ | ||
| Hallo Welt! |
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