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Add BinaryFormatter auditing EventSource (dotnet#39874)
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102 changes: 102 additions & 0 deletions
102
...rmatters/src/System/Runtime/Serialization/Formatters/Binary/BinaryFormatterEventSource.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
|
|
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| using System.Diagnostics; | ||
| using System.Diagnostics.Tracing; | ||
|
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| namespace System.Runtime.Serialization.Formatters.Binary | ||
| { | ||
| [EventSource( | ||
| Name = "System.Runtime.Serialization.Formatters.Binary.BinaryFormatterEventSource")] | ||
| internal sealed class BinaryFormatterEventSource : EventSource | ||
| { | ||
| private const int EventId_SerializationStart = 10; | ||
| private const int EventId_SerializationStop = 11; | ||
| private const int EventId_SerializingObject = 12; | ||
| private const int EventId_DeserializationStart = 20; | ||
| private const int EventId_DeserializationStop = 21; | ||
| private const int EventId_DeserializingObject = 22; | ||
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| public static readonly BinaryFormatterEventSource Log = new BinaryFormatterEventSource(); | ||
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| private BinaryFormatterEventSource() | ||
| { | ||
| } | ||
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| [Event(EventId_SerializationStart, Opcode = EventOpcode.Start, Keywords = Keywords.Serialization, Level = EventLevel.Informational, ActivityOptions = EventActivityOptions.Recursive)] | ||
| public void SerializationStart() | ||
| { | ||
| if (IsEnabled(EventLevel.Informational, Keywords.Serialization)) | ||
| { | ||
| WriteEvent(EventId_SerializationStart); | ||
| } | ||
| } | ||
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| [Event(EventId_SerializationStop, Opcode = EventOpcode.Stop, Keywords = Keywords.Serialization, Level = EventLevel.Informational)] | ||
| public void SerializationStop() | ||
| { | ||
| if (IsEnabled(EventLevel.Informational, Keywords.Serialization)) | ||
| { | ||
| WriteEvent(EventId_SerializationStop); | ||
| } | ||
| } | ||
|
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| [NonEvent] | ||
| public void SerializingObject(Type type) | ||
| { | ||
| Debug.Assert(type != null); | ||
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| if (IsEnabled(EventLevel.Informational, Keywords.Serialization)) | ||
| { | ||
| SerializingObject(type.AssemblyQualifiedName); | ||
| } | ||
| } | ||
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| [Event(EventId_SerializingObject, Keywords = Keywords.Serialization, Level = EventLevel.Informational)] | ||
| private void SerializingObject(string? typeName) | ||
| { | ||
| WriteEvent(EventId_SerializingObject, typeName); | ||
| } | ||
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| [Event(EventId_DeserializationStart, Opcode = EventOpcode.Start, Keywords = Keywords.Deserialization, Level = EventLevel.Informational, ActivityOptions = EventActivityOptions.Recursive)] | ||
| public void DeserializationStart() | ||
| { | ||
| if (IsEnabled(EventLevel.Informational, Keywords.Deserialization)) | ||
| { | ||
| WriteEvent(EventId_DeserializationStart); | ||
| } | ||
| } | ||
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| [Event(EventId_DeserializationStop, Opcode = EventOpcode.Stop, Keywords = Keywords.Deserialization, Level = EventLevel.Informational)] | ||
| public void DeserializationStop() | ||
| { | ||
| if (IsEnabled(EventLevel.Informational, Keywords.Deserialization)) | ||
| { | ||
| WriteEvent(EventId_DeserializationStop); | ||
| } | ||
| } | ||
|
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| [NonEvent] | ||
| public void DeserializingObject(Type type) | ||
| { | ||
| Debug.Assert(type != null); | ||
|
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| if (IsEnabled(EventLevel.Informational, Keywords.Deserialization)) | ||
| { | ||
| DeserializingObject(type.AssemblyQualifiedName); | ||
| } | ||
| } | ||
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| [Event(EventId_DeserializingObject, Keywords = Keywords.Deserialization, Level = EventLevel.Informational)] | ||
| private void DeserializingObject(string? typeName) | ||
| { | ||
| WriteEvent(EventId_DeserializingObject, typeName); | ||
| } | ||
|
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| public class Keywords | ||
| { | ||
| public const EventKeywords Serialization = (EventKeywords)1; | ||
| public const EventKeywords Deserialization = (EventKeywords)2; | ||
| } | ||
| } | ||
| } |
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216 changes: 216 additions & 0 deletions
216
...ibraries/System.Runtime.Serialization.Formatters/tests/BinaryFormatterEventSourceTests.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,216 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
|
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| using System.Collections.Generic; | ||
| using System.Diagnostics.Tracing; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Runtime.Serialization.Formatters.Binary; | ||
| using System.Threading; | ||
| using Xunit; | ||
|
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| namespace System.Runtime.Serialization.Formatters.Tests | ||
| { | ||
| [ConditionalClass(typeof(PlatformDetection), nameof(PlatformDetection.IsBinaryFormatterSupported))] | ||
| public static class BinaryFormatterEventSourceTests | ||
| { | ||
| private const string BinaryFormatterEventSourceName = "System.Runtime.Serialization.Formatters.Binary.BinaryFormatterEventSource"; | ||
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| [Fact] | ||
| public static void RecordsSerialization() | ||
| { | ||
| using LoggingEventListener listener = new LoggingEventListener(); | ||
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| BinaryFormatter formatter = new BinaryFormatter(); | ||
| formatter.Serialize(Stream.Null, CreatePerson()); | ||
| string[] capturedLog = listener.CaptureLog(); | ||
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| string[] expected = new string[] | ||
| { | ||
| "SerializationStart [Start, 00000001]: <no payload>", | ||
| "SerializingObject [Info, 00000001]: " + typeof(Person).AssemblyQualifiedName, | ||
| "SerializingObject [Info, 00000001]: " + typeof(Address).AssemblyQualifiedName, | ||
| "SerializationStop [Stop, 00000001]: <no payload>", | ||
| }; | ||
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| Assert.Equal(expected, capturedLog); | ||
| } | ||
|
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| [Fact] | ||
| public static void RecordsDeserialization() | ||
| { | ||
| MemoryStream ms = new MemoryStream(); | ||
| BinaryFormatter formatter = new BinaryFormatter(); | ||
| formatter.Serialize(ms, CreatePerson()); | ||
| ms.Position = 0; | ||
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| using LoggingEventListener listener = new LoggingEventListener(); | ||
| formatter.Deserialize(ms); | ||
| string[] capturedLog = listener.CaptureLog(); | ||
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| string[] expected = new string[] | ||
| { | ||
| "DeserializationStart [Start, 00000002]: <no payload>", | ||
| "DeserializingObject [Info, 00000002]: " + typeof(Person).AssemblyQualifiedName, | ||
| "DeserializingObject [Info, 00000002]: " + typeof(Address).AssemblyQualifiedName, | ||
| "DeserializationStop [Stop, 00000002]: <no payload>", | ||
| }; | ||
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| Assert.Equal(expected, capturedLog); | ||
| } | ||
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| [Fact] | ||
| public static void RecordsNestedSerializationCalls() | ||
| { | ||
| // First, serialization | ||
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| using LoggingEventListener listener = new LoggingEventListener(); | ||
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| MemoryStream ms = new MemoryStream(); | ||
| BinaryFormatter formatter = new BinaryFormatter(); | ||
| formatter.Serialize(ms, new ClassWithNestedDeserialization()); | ||
| string[] capturedLog = listener.CaptureLog(); | ||
| ms.Position = 0; | ||
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| string[] expected = new string[] | ||
| { | ||
| "SerializationStart [Start, 00000001]: <no payload>", | ||
| "SerializingObject [Info, 00000001]: " + typeof(ClassWithNestedDeserialization).AssemblyQualifiedName, | ||
| "SerializationStart [Start, 00000001]: <no payload>", | ||
| "SerializingObject [Info, 00000001]: " + typeof(Address).AssemblyQualifiedName, | ||
| "SerializationStop [Stop, 00000001]: <no payload>", | ||
| "SerializationStop [Stop, 00000001]: <no payload>", | ||
| }; | ||
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| Assert.Equal(expected, capturedLog); | ||
| listener.ClearLog(); | ||
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| // Then, deserialization | ||
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| ms.Position = 0; | ||
| formatter.Deserialize(ms); | ||
| capturedLog = listener.CaptureLog(); | ||
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| expected = new string[] | ||
| { | ||
| "DeserializationStart [Start, 00000002]: <no payload>", | ||
| "DeserializingObject [Info, 00000002]: " + typeof(ClassWithNestedDeserialization).AssemblyQualifiedName, | ||
| "DeserializationStart [Start, 00000002]: <no payload>", | ||
| "DeserializingObject [Info, 00000002]: " + typeof(Address).AssemblyQualifiedName, | ||
| "DeserializationStop [Stop, 00000002]: <no payload>", | ||
| "DeserializationStop [Stop, 00000002]: <no payload>", | ||
| }; | ||
|
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| Assert.Equal(expected, capturedLog); | ||
| } | ||
|
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| private static Person CreatePerson() | ||
| { | ||
| return new Person() | ||
| { | ||
| Name = "Some Chap", | ||
| HomeAddress = new Address() | ||
| { | ||
| Street = "123 Anywhere Ln", | ||
| City = "Anywhere ST 00000 United States" | ||
| } | ||
| }; | ||
| } | ||
|
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| private sealed class LoggingEventListener : EventListener | ||
| { | ||
| private readonly Thread _activeThread = Thread.CurrentThread; | ||
| private readonly List<string> _log = new List<string>(); | ||
|
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| private void AddToLog(FormattableString message) | ||
| { | ||
| _log.Add(FormattableString.Invariant(message)); | ||
| } | ||
|
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| // Captures the current log | ||
| public string[] CaptureLog() | ||
| { | ||
| return _log.ToArray(); | ||
| } | ||
|
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| public void ClearLog() | ||
| { | ||
| _log.Clear(); | ||
| } | ||
|
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| protected override void OnEventSourceCreated(EventSource eventSource) | ||
| { | ||
| if (eventSource.Name == BinaryFormatterEventSourceName) | ||
| { | ||
| EnableEvents(eventSource, EventLevel.Verbose); | ||
| } | ||
|
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| base.OnEventSourceCreated(eventSource); | ||
| } | ||
|
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| protected override void OnEventWritten(EventWrittenEventArgs eventData) | ||
| { | ||
| // The test project is parallelized. We want to filter to only events that fired | ||
| // on the current thread, otherwise we could throw off the test results. | ||
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| if (Thread.CurrentThread != _activeThread) | ||
| { | ||
| return; | ||
| } | ||
|
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| AddToLog($"{eventData.EventName} [{eventData.Opcode}, {(int)eventData.Keywords & int.MaxValue:X8}]: {ParsePayload(eventData.Payload)}"); | ||
| base.OnEventWritten(eventData); | ||
| } | ||
|
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| private static string ParsePayload(IReadOnlyCollection<object> collection) | ||
| { | ||
| if (collection?.Count > 0) | ||
| { | ||
| return string.Join("; ", collection.Select(o => o?.ToString() ?? "<null>")); | ||
| } | ||
| else | ||
| { | ||
| return "<no payload>"; | ||
| } | ||
| } | ||
| } | ||
|
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| [Serializable] | ||
| private class Person | ||
| { | ||
| public string Name { get; set; } | ||
| public Address HomeAddress { get; set; } | ||
| } | ||
|
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| [Serializable] | ||
| private class Address | ||
| { | ||
| public string Street { get; set; } | ||
| public string City { get; set; } | ||
| } | ||
|
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| [Serializable] | ||
| public class ClassWithNestedDeserialization : ISerializable | ||
| { | ||
| public ClassWithNestedDeserialization() | ||
| { | ||
| } | ||
|
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| protected ClassWithNestedDeserialization(SerializationInfo info, StreamingContext context) | ||
| { | ||
| byte[] serializedData = (byte[])info.GetValue("SomeField", typeof(byte[])); | ||
| MemoryStream ms = new MemoryStream(serializedData); | ||
| BinaryFormatter formatter = new BinaryFormatter(); | ||
| formatter.Deserialize(ms); // should deserialize an 'Address' instance | ||
| } | ||
|
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| public void GetObjectData(SerializationInfo info, StreamingContext context) | ||
| { | ||
| MemoryStream ms = new MemoryStream(); | ||
| BinaryFormatter formatter = new BinaryFormatter(); | ||
| formatter.Serialize(ms, new Address()); | ||
| info.AddValue("SomeField", ms.ToArray()); | ||
| } | ||
| } | ||
| } | ||
| } |
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