Add | Adding Net6 support and dropping netcoreapp3.1

.editorconfig

@@ -140,6 +140,9 @@ dotnet_diagnostic.CA1063.severity = silent
 # CA2100: Review SQL queries for security vulnerabilities
 dotnet_diagnostic.CA2100.severity = silent
 
+# CA1416: Validate platform compatibility
+dotnet_diagnostic.CA1416.severity = silent
+
 [*.{csproj,vcxproj,vcxproj.filters,proj,nativeproj,locproj}]
 indent_size = 2
 

BUILDGUIDE.md

@@ -102,7 +102,7 @@ msbuild -t:RunTests -p:configuration=Release
 To specify custom target framework, use `TF` property:
 
 ```bash
-msbuild -t:RunTests -p:configuration=Release -p:TF=net5.0
+msbuild -t:RunTests -p:configuration=Release -p:TF=net7.0
 msbuild -t:RunTests -p:configuration=Release -p:TF=net48
 # Runs tests for specified target framework. 
 # TargetNetCoreVersion and TargetNetFxVersion are not to be used with TF property, they will take precedence over TF if provided.
@@ -285,9 +285,9 @@ msbuild -t:BuildTestsNetFx -p:TargetNetFxVersion=net462
 ```
 
 ```bash
-msbuild -t:BuildTestsNetCore -p:TargetNetCoreVersion=netcoreapp3.1
+msbuild -t:BuildTestsNetCore -p:TargetNetCoreVersion=net6.0
 # Build the tests for custom TargetFramework (.NET Core)
-# Applicable values: netcoreapp3.1 | net5.0 | net6.0
+# Applicable values: net6.0 | net7.0 | net6.0
 ```
 
 ### Running Tests with custom target framework (traditional)
@@ -297,9 +297,9 @@ dotnet test -p:TargetNetFxVersion=net462 ...
 # Use above property to run Functional Tests with custom TargetFramework (.NET Framework)
 # Applicable values: net462 (Default) | net462 | net47 | net471  net472 | net48
 
-dotnet test -p:TargetNetCoreVersion=netcoreapp3.1 ...
+dotnet test -p:TargetNetCoreVersion=net6.0 ...
 # Use above property to run Functional Tests with custom TargetFramework (.NET Core)
-# Applicable values: netcoreapp3.1 | net5.0 | net6.0
+# Applicable values: net6.0 | net7.0 | net6.0
 ```
 
 ## Using Managed SNI on Windows
@@ -389,7 +389,7 @@ Configure `runnerconfig.json` file with connection string and preferred settings
 
 ```bash
 cd src\Microsoft.Data.SqlClient\tests\PerformanceTests
-dotnet run -c Release -f netcoreapp3.1|net5.0
+dotnet run -c Release -f net6.0|net7.0
 ```
 
 _Only "**Release** Configuration" applies to Performance Tests_

build.proj

@@ -16,11 +16,11 @@
     <IsEnabledWindows Condition="'$(TargetsUnix)' == 'true'">false</IsEnabledWindows>
     <TestOS Condition="'$(TestTargetOS)' == '' AND '$(TargetsWindows)' == 'true'">Windows</TestOS>
     <TestOS Condition="'$(TestTargetOS)' == '' AND '$(TargetsUnix)' == 'true'">Unix</TestOS>
-    <TF Condition="$(TF) == ''">netcoreapp3.1</TF> <!-- Default Target Framework -->
-    <TFGroup Condition="$(TF.StartsWith('net4'))">netfx</TFGroup>
-    <TFGroup Condition="$(TFGroup) == ''">netcore</TFGroup>
-    <TargetGroup Condition="$(TF.StartsWith('net4'))">netfx</TargetGroup>
-    <TargetGroup Condition="$(TargetGroup) == ''">netcoreapp</TargetGroup>
+    <TF Condition="$(TF) == ''">net6.0</TF> <!-- Default Target Framework -->
+    <TFGroup Condition="'$([MSBuild]::GetTargetFrameworkIdentifier($(TF)))' == '.NETFramework'">netfx</TFGroup>
+    <TFGroup Condition="'$([MSBuild]::GetTargetFrameworkIdentifier($(TF)))' == '.NETCoreApp'">netcore</TFGroup>
+    <TargetGroup Condition="'$(TFGroup)' == 'netfx'" >netfx</TargetGroup>
+    <TargetGroup Condition="'$(TFGroup)' == 'netcore'">netcoreapp</TargetGroup>
     <TargetNetCoreVersion Condition="$(TargetGroup) == 'netcoreapp' AND $(TargetNetCoreVersion) == ''">$(TF)</TargetNetCoreVersion>
     <TargetNetFxVersion Condition="$(TargetGroup) == 'netfx' AND $(TargetNetFxVersion) == ''">$(TF)</TargetNetFxVersion>
     <GenerateNuget Condition="'$(GenerateNuget)' == ''">true</GenerateNuget>

src/Microsoft.Data.SqlClient/add-ons/AzureKeyVaultProvider/Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyVaultProvider.csproj

@@ -4,8 +4,8 @@
     <AssemblyName>Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyVaultProvider</AssemblyName>
     <AddOnName>AzureKeyVaultProvider</AddOnName>
     <ProjectGuid>{9073ABEF-92E0-4702-BB23-2C99CEF9BDD7}</ProjectGuid>
-    <TargetGroup Condition="$(TargetFramework.StartsWith('netcoreapp')) OR $(TargetFramework.StartsWith('netstandard'))">netcoreapp</TargetGroup>
-    <TargetGroup Condition="$(TargetFramework.StartsWith('net4'))">netfx</TargetGroup>
+    <TargetGroup Condition="'$([MSBuild]::GetTargetFrameworkIdentifier($(TargetFramework)))'=='.NETCoreApp' OR '$([MSBuild]::GetTargetFrameworkIdentifier($(TargetFramework)))'=='.NETStandard'">netcoreapp</TargetGroup>
+    <TargetGroup Condition="'$([MSBuild]::GetTargetFrameworkIdentifier($(TargetFramework)))'=='.NETFramework'">netfx</TargetGroup>
     <Configurations>Debug;Release;</Configurations>
     <Platforms>AnyCPU;x86;x64</Platforms>
     <IntermediateOutputPath>$(ObjFolder)$(Configuration).$(Platform)\$(AddOnName)</IntermediateOutputPath>

src/Microsoft.Data.SqlClient/add-ons/Directory.Build.props

@@ -18,7 +18,7 @@
   <PropertyGroup>
     <TargetNetFxVersion Condition="'$(TargetNetFxVersion)' == ''">net462</TargetNetFxVersion>
     <TargetNetStandardVersion Condition="'$(TargetNetStandardVersion)' == ''">netstandard2.0</TargetNetStandardVersion>
-    <TargetNetCoreVersion Condition="'$(TargetNetCoreVersion)' == ''">netcoreapp3.1</TargetNetCoreVersion>
+    <TargetNetCoreVersion Condition="'$(TargetNetCoreVersion)' == ''">net6.0</TargetNetCoreVersion>
   </PropertyGroup>
 
   <ItemGroup>
@@ -36,7 +36,7 @@
     <Otherwise>
       <PropertyGroup>
         <TargetFrameworks Condition="'$(TestTargetOS)' == 'Windowsnetstandard' OR '$(TestTargetOS)' == 'Unixnetstandard'">netstandard2.0;netstandard2.1</TargetFrameworks>
-        <TargetFrameworks Condition="'$(TestTargetOS)' == 'Windowsnetcoreapp' OR '$(TestTargetOS)' == 'Unixnetcoreapp'">netcoreapp3.1</TargetFrameworks>
+        <TargetFrameworks Condition="'$(TestTargetOS)' == 'Windowsnetcoreapp' OR '$(TestTargetOS)' == 'Unixnetcoreapp'">net6.0</TargetFrameworks>
         <TargetFrameworks Condition="'$(TestTargetOS)' == 'Windowsnetfx'">net462</TargetFrameworks>
       </PropertyGroup>
     </Otherwise>

src/Microsoft.Data.SqlClient/netcore/ref/Microsoft.Data.SqlClient.cs

@@ -1432,7 +1432,9 @@ public sealed partial class SqlException : System.Data.Common.DbException
         /// <include file='../../../../doc/snippets/Microsoft.Data.SqlClient/SqlException.xml' path='docs/members[@name="SqlException"]/State/*'/>
         public byte State { get { throw null; } }
         /// <include file='../../../../doc/snippets/Microsoft.Data.SqlClient/SqlException.xml' path='docs/members[@name="SqlException"]/GetObjectData/*'/>
+#if !NET6_0_OR_GREATER
         [System.Security.Permissions.SecurityPermissionAttribute(System.Security.Permissions.SecurityAction.LinkDemand, Flags = System.Security.Permissions.SecurityPermissionFlag.SerializationFormatter)]
+#endif
         public override void GetObjectData(System.Runtime.Serialization.SerializationInfo si, System.Runtime.Serialization.StreamingContext context) { }
         /// <include file='../../../../doc/snippets/Microsoft.Data.SqlClient/SqlException.xml' path='docs/members[@name="SqlException"]/ToString/*'/>
         public override string ToString() { throw null; }
@@ -1762,9 +1764,18 @@ public sealed partial class SqlTransaction : System.Data.Common.DbTransaction
         /// <include file='../../../../doc/snippets/Microsoft.Data.SqlClient/SqlTransaction.xml' path='docs/members[@name="SqlTransaction"]/Rollback1/*'/>
         public override void Rollback() { }
         /// <include file='../../../../doc/snippets/Microsoft.Data.SqlClient/SqlTransaction.xml' path='docs/members[@name="SqlTransaction"]/Rollback2/*'/>
+#if NET6_0_OR_GREATER
+        public override void Rollback(string transactionName) { }
+#else
         public void Rollback(string transactionName) { }
+#endif
+
         /// <include file='../../../../doc/snippets/Microsoft.Data.SqlClient/SqlTransaction.xml' path='docs/members[@name="SqlTransaction"]/Save/*'/>
+#if NET6_0_OR_GREATER
+        public override void Save(string savePointName) { }
+#else
         public void Save(string savePointName) { }
+#endif
     }
     /// <include file='../../../../doc/snippets/Microsoft.Data.SqlClient/SqlRetryingEventArgs.xml' path='docs/members[@name="SqlRetryingEventArgs"]/SqlRetryingEventArgs/*' />
     public sealed class SqlRetryingEventArgs : System.EventArgs

src/Microsoft.Data.SqlClient/netcore/ref/Microsoft.Data.SqlClient.csproj

@@ -1,23 +1,17 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
-    <TargetFrameworks>netcoreapp3.1;netstandard2.0;netstandard2.1</TargetFrameworks>
+    <TargetFrameworks>net6.0;netstandard2.0;netstandard2.1</TargetFrameworks>
     <TargetFrameworks Condition="$(ReferenceType)=='NetStandard' AND $(TargetNetStandardVersion)=='netstandard2.1'">netstandard2.1</TargetFrameworks>
     <IntermediateOutputPath>$(ObjFolder)$(Configuration)\$(AssemblyName)\ref\</IntermediateOutputPath>
     <OutputPath>$(BinFolder)$(Configuration)\$(AssemblyName)\ref\</OutputPath>
     <DocumentationFile>$(OutputPath)\$(TargetFramework)\Microsoft.Data.SqlClient.xml</DocumentationFile>
     <Product>Core $(BaseProduct)</Product>
     <Configurations>Debug;Release;</Configurations>
-    <TargetGroup Condition="$(TargetFramework.StartsWith('netcoreapp'))">netcoreapp</TargetGroup>
-    <TargetGroup Condition="$(TargetFramework.StartsWith('netstandard'))">netstandard</TargetGroup>
+    <TargetGroup Condition="'$([MSBuild]::GetTargetFrameworkIdentifier($(TargetFramework)))'=='.NETCoreApp'">netcoreapp</TargetGroup>
+    <TargetGroup Condition="'$([MSBuild]::GetTargetFrameworkIdentifier($(TargetFramework)))'=='.NETStandard'">netstandard</TargetGroup>
     <Platforms>AnyCPU;x64;x86</Platforms>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(TargetGroup)' == 'netstandard' AND !$(TargetFramework.StartsWith('netstandard1.')) AND $(TargetFramework) != 'netstandard2.0'">
-    <DefineConstants>$(DefineConstants);NETSTANDARD21_AND_ABOVE</DefineConstants>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(TargetGroup)' == 'netcoreapp'">
-    <DefineConstants>$(DefineConstants);NETCOREAPP</DefineConstants>
-  </PropertyGroup>
   <ItemGroup>
     <Compile Include="Microsoft.Data.SqlClient.cs" />
     <Compile Include="Microsoft.Data.SqlClient.Manual.cs" />
@@ -31,4 +25,4 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Identity.Client" Version="$(MicrosoftIdentityClientVersion)" />
   </ItemGroup>
-</Project>
+</Project>

src/Microsoft.Data.SqlClient/netcore/src/Microsoft.Data.SqlClient.csproj

@@ -1,16 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AssemblyName>Microsoft.Data.SqlClient</AssemblyName>
-    <TargetFrameworks>netcoreapp3.1;netstandard2.0;netstandard2.1</TargetFrameworks>
+    <TargetFrameworks>net6.0;netstandard2.0;netstandard2.1</TargetFrameworks>
     <TargetFrameworks Condition="$(ReferenceType)=='NetStandard' AND $(TargetNetStandardVersion)=='netstandard2.1'">netstandard2.1</TargetFrameworks>
     <GeneratePlatformNotSupportedAssemblyMessage Condition="'$(OSGroup)' == 'AnyOS'">Microsoft.Data.SqlClient is not supported on this platform.</GeneratePlatformNotSupportedAssemblyMessage>
     <OSGroup Condition="'$(OSGroup)' == ''">$(OS)</OSGroup>
     <TargetsWindows Condition="'$(OSGroup)'=='Windows_NT'">true</TargetsWindows>
     <TargetsUnix Condition="'$(OSGroup)'=='Unix'">true</TargetsUnix>
     <!-- Allow explicit addition of the Compile files instead of all project files to be included by Default -->
     <EnableDefaultCompileItems>false</EnableDefaultCompileItems>
-    <TargetGroup Condition="$(TargetFramework.StartsWith('netcoreapp'))">netcoreapp</TargetGroup>
-    <TargetGroup Condition="$(TargetFramework.StartsWith('netstandard'))">netstandard</TargetGroup>
+    <TargetGroup Condition="'$([MSBuild]::GetTargetFrameworkIdentifier($(TargetFramework)))'=='.NETCoreApp'">netcoreapp</TargetGroup>
+    <TargetGroup Condition="'$([MSBuild]::GetTargetFrameworkIdentifier($(TargetFramework)))'=='.NETStandard'">netstandard</TargetGroup>
     <Configurations>Debug;Release;</Configurations>
     <Platforms>AnyCPU;x64;x86</Platforms>
     <IntermediateOutputPath>$(ObjFolder)$(Configuration).$(Platform)\$(AssemblyName)\netcore\</IntermediateOutputPath>
@@ -19,12 +19,6 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Product>Core $(BaseProduct)</Product>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(TargetGroup)' == 'netcoreapp'">
-    <DefineConstants>$(DefineConstants);NETCOREAPP;</DefineConstants>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(TargetGroup)' == 'netstandard'">
-    <DefineConstants>$(DefineConstants);NETSTANDARD;</DefineConstants>
-  </PropertyGroup>
   <PropertyGroup>
     <DebugType>portable</DebugType>
     <DebugSymbols>true</DebugSymbols>

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlColumnEncryptionCertificateStoreProvider.Windows.cs

@@ -79,7 +79,15 @@ public override byte[] DecryptColumnEncryptionKey(string masterKeyPath, string e
 
             // Parse the path and get the X509 cert
             X509Certificate2 certificate = GetCertificateByPath(masterKeyPath, isSystemOp: true);
-            int keySizeInBytes = certificate.PublicKey.Key.KeySize / 8;
+
+            RSA RSAPublicKey = certificate.GetRSAPublicKey();
+            int keySizeInBytes;
+#if NETCOREAPP || NETSTANDARD2_1
+            DSA DSAPublicKey = certificate.GetDSAPublicKey();
+            keySizeInBytes = RSAPublicKey is not null ? RSAPublicKey.KeySize / 8 : DSAPublicKey.KeySize / 8;
+#else
+            keySizeInBytes= RSAPublicKey.KeySize / 8;
+#endif
 
             // Validate and decrypt the EncryptedColumnEncryptionKey
             // Format is 
@@ -172,7 +180,15 @@ public override byte[] EncryptColumnEncryptionKey(string masterKeyPath, string e
 
             // Parse the certificate path and get the X509 cert
             X509Certificate2 certificate = GetCertificateByPath(masterKeyPath, isSystemOp: false);
-            int keySizeInBytes = certificate.PublicKey.Key.KeySize / 8;
+
+            RSA RSAPublicKey = certificate.GetRSAPublicKey();
+            int keySizeInBytes;
+#if NETCOREAPP || NETSTANDARD2_1
+            DSA DSAPublicKey = certificate.GetDSAPublicKey();
+            keySizeInBytes = RSAPublicKey is not null ? RSAPublicKey.KeySize / 8 : DSAPublicKey.KeySize / 8;
+#else
+            keySizeInBytes= RSAPublicKey.KeySize / 8;
+#endif
 
             // Construct the encryptedColumnEncryptionKey
             // Format is 

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlCommand.cs

@@ -3769,8 +3769,9 @@ private void PrepareForTransparentEncryption(CommandBehavior cmdBehavior, bool r
                     SqlCommand command = (SqlCommand)state;
                     bool processFinallyBlockAsync = true;
                     bool decrementAsyncCountInFinallyBlockAsync = true;
-
+#if !NET6_0_OR_GREATER 
                     RuntimeHelpers.PrepareConstrainedRegions();
+#endif
                     try
                     {
                         // Check for any exceptions on network write, before reading.
@@ -3842,7 +3843,9 @@ private void PrepareForTransparentEncryption(CommandBehavior cmdBehavior, bool r
                 bool processFinallyBlockAsync = true;
                 bool decrementAsyncCountInFinallyBlockAsync = true;
 
+#if !NET6_0_OR_GREATER 
                 RuntimeHelpers.PrepareConstrainedRegions();
+#endif
                 try
                 {
                     // Check for any exceptions on network write, before reading.

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlDataReader.cs

@@ -3472,7 +3472,9 @@ private bool TryReadInternal(bool setTimeout, out bool more)
             SqlStatistics statistics = null;
             using (TryEventScope.Create("SqlDataReader.TryReadInternal | API | Object Id {0}", ObjectID))
             {
+#if !NET6_0_OR_GREATER
                 RuntimeHelpers.PrepareConstrainedRegions();
+#endif
 
                 try
                 {
@@ -4848,7 +4850,7 @@ public override Task<bool> ReadAsync(CancellationToken cancellationToken)
                     context = new ReadAsyncCallContext();
                 }
 
-                Debug.Assert(context.Reader == null && context.Source == null && context.Disposable == null, "cached ReadAsyncCallContext was not properly disposed");
+                Debug.Assert(context.Reader == null && context.Source == null && context.Disposable == default, "cached ReadAsyncCallContext was not properly disposed");
 
                 context.Set(this, source, registration);
                 context._hasMoreData = more;

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlDelegatedTransaction.cs

@@ -81,7 +81,9 @@ public void Initialize()
             SqlInternalConnection connection = _connection;
             SqlConnection usersConnection = connection.Connection;
             SqlClientEventSource.Log.TryTraceEvent("SqlDelegatedTransaction.Initialize | RES | CPOOL | Object Id {0}, Client Connection Id {1}, delegating transaction.", ObjectID, usersConnection?.ClientConnectionId);
+#if !NET6_0_OR_GREATER           
             RuntimeHelpers.PrepareConstrainedRegions();
+#endif
             try
             {
                 if (connection.IsEnlistedInTransaction)
@@ -144,7 +146,9 @@ public byte[] Promote()
             {
                 SqlConnection usersConnection = connection.Connection;
                 SqlClientEventSource.Log.TryTraceEvent("SqlDelegatedTransaction.Promote | RES | CPOOL | Object Id {0}, Client Connection Id {1}, promoting transaction.", ObjectID, usersConnection?.ClientConnectionId);
+#if !NET6_0_OR_GREATER                 
                 RuntimeHelpers.PrepareConstrainedRegions();
+#endif
                 try
                 {
                     lock (connection)
@@ -252,7 +256,9 @@ public void Rollback(SinglePhaseEnlistment enlistment)
             {
                 SqlConnection usersConnection = connection.Connection;
                 SqlClientEventSource.Log.TryTraceEvent("SqlDelegatedTransaction.Rollback | RES | CPOOL | Object Id {0}, Client Connection Id {1}, rolling back transaction.", ObjectID, usersConnection?.ClientConnectionId);
+#if !NET6_0_OR_GREATER                
                 RuntimeHelpers.PrepareConstrainedRegions();
+#endif
                 try
                 {
                     lock (connection)
@@ -337,7 +343,9 @@ public void SinglePhaseCommit(SinglePhaseEnlistment enlistment)
             {
                 SqlConnection usersConnection = connection.Connection;
                 SqlClientEventSource.Log.TryTraceEvent("SqlDelegatedTransaction.SinglePhaseCommit | RES | CPOOL | Object Id {0}, Client Connection Id {1}, committing transaction.", ObjectID, usersConnection?.ClientConnectionId);
+#if !NET6_0_OR_GREATER               
                 RuntimeHelpers.PrepareConstrainedRegions();
+#endif
                 try
                 {
                     lock (connection)

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlInternalConnectionTds.cs

@@ -2283,7 +2283,9 @@ internal bool TryGetFedAuthTokenLocked(SqlFedAuthInfo fedAuthInfo, DbConnectionP
             bool authenticationContextLocked = false;
 
             // Prepare CER to ensure the lock on authentication context is released.
+#if !NET6_0_OR_GREATER          
             RuntimeHelpers.PrepareConstrainedRegions();
+#endif
             try
             {
                 // Try to obtain a lock on the context. If acquired, this thread got the opportunity to update.

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlTransaction.cs

@@ -119,7 +119,11 @@ public override void Rollback()
         }
 
         /// <include file='../../../../../../../doc/snippets/Microsoft.Data.SqlClient/SqlTransaction.xml' path='docs/members[@name="SqlTransaction"]/RollbackTransactionName/*' />
+#if NET6_0_OR_GREATER
+       public override void Rollback(string transactionName)
+#else
         public void Rollback(string transactionName)
+#endif
         {
             using (DiagnosticTransactionScope diagnosticScope = s_diagnosticListener.CreateTransactionRollbackScope(_isolationLevel, _connection, InternalTransaction, transactionName))
             {
@@ -151,7 +155,11 @@ public void Rollback(string transactionName)
         }
 
         /// <include file='../../../../../../../doc/snippets/Microsoft.Data.SqlClient/SqlTransaction.xml' path='docs/members[@name="SqlTransaction"]/Save/*' />
+#if NET6_0_OR_GREATER
+        public override void Save(string savePointName)
+#else
         public void Save(string savePointName)
+#endif
         {
             ZombieCheck();