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[Hotfix 2.1.5] | Shim gss api on Linux to delay loading libgssapi_krb5.so (#1411) #1727

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merged 1 commit into from
Aug 23, 2022
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[Hotfix 2.1.5] | Shim gss api on Linux to delay loading libgssapi_krb5.so (#1411) #1727

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37 changes: 26 additions & 11 deletions ...tcore/src/Common/src/Interop/Unix/System.Net.Security.Native/Interop.NetSecurityNative.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,49 +11,52 @@ internal static partial class Interop
{
internal static partial class NetSecurityNative
{
[DllImport(Libraries.NetSecurityNative, EntryPoint="NetSecurityNative_ReleaseGssBuffer")]
[DllImport(Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_ReleaseGssBuffer")]
internal static extern void ReleaseGssBuffer(
IntPtr bufferPtr,
ulong length);

[DllImport(Libraries.NetSecurityNative, EntryPoint="NetSecurityNative_DisplayMinorStatus")]
[DllImport(Interop.Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_EnsureGssInitialized")]
private static extern int EnsureGssInitialized();

[DllImport(Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_DisplayMinorStatus")]
internal static extern Status DisplayMinorStatus(
out Status minorStatus,
Status statusValue,
ref GssBuffer buffer);

[DllImport(Libraries.NetSecurityNative, EntryPoint="NetSecurityNative_DisplayMajorStatus")]
[DllImport(Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_DisplayMajorStatus")]
internal static extern Status DisplayMajorStatus(
out Status minorStatus,
Status statusValue,
ref GssBuffer buffer);

[DllImport(Libraries.NetSecurityNative, EntryPoint="NetSecurityNative_ImportUserName")]
[DllImport(Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_ImportUserName")]
internal static extern Status ImportUserName(
out Status minorStatus,
string inputName,
int inputNameByteCount,
out SafeGssNameHandle outputName);

[DllImport(Libraries.NetSecurityNative, EntryPoint="NetSecurityNative_ImportPrincipalName")]
[DllImport(Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_ImportPrincipalName")]
internal static extern Status ImportPrincipalName(
out Status minorStatus,
string inputName,
int inputNameByteCount,
out SafeGssNameHandle outputName);

[DllImport(Libraries.NetSecurityNative, EntryPoint="NetSecurityNative_ReleaseName")]
[DllImport(Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_ReleaseName")]
internal static extern Status ReleaseName(
out Status minorStatus,
ref IntPtr inputName);

[DllImport(Libraries.NetSecurityNative, EntryPoint="NetSecurityNative_InitiateCredSpNego")]
[DllImport(Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_InitiateCredSpNego")]
internal static extern Status InitiateCredSpNego(
out Status minorStatus,
SafeGssNameHandle desiredName,
out SafeGssCredHandle outputCredHandle);

[DllImport(Libraries.NetSecurityNative, EntryPoint="NetSecurityNative_InitiateCredWithPassword")]
[DllImport(Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_InitiateCredWithPassword")]
internal static extern Status InitiateCredWithPassword(
out Status minorStatus,
bool isNtlm,
Expand All @@ -62,12 +65,12 @@ internal static extern Status InitiateCredWithPassword(
int passwordLen,
out SafeGssCredHandle outputCredHandle);

[DllImport(Libraries.NetSecurityNative, EntryPoint="NetSecurityNative_ReleaseCred")]
[DllImport(Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_ReleaseCred")]
internal static extern Status ReleaseCred(
out Status minorStatus,
ref IntPtr credHandle);

[DllImport(Libraries.NetSecurityNative, EntryPoint="NetSecurityNative_InitSecContext")]
[DllImport(Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_InitSecContext")]
internal static extern Status InitSecContext(
out Status minorStatus,
SafeGssCredHandle initiatorCredHandle,
Expand All @@ -81,7 +84,7 @@ internal static extern Status InitSecContext(
out uint retFlags,
out int isNtlmUsed);

[DllImport(Libraries.NetSecurityNative, EntryPoint="NetSecurityNative_DeleteSecContext")]
[DllImport(Libraries.NetSecurityNative, EntryPoint = "NetSecurityNative_DeleteSecContext")]
internal static extern Status DeleteSecContext(
out Status minorStatus,
ref IntPtr contextHandle);
Expand Down Expand Up @@ -109,5 +112,17 @@ internal enum GssFlags : uint
GSS_C_EXTENDED_ERROR_FLAG = 0x4000,
GSS_C_DELEG_POLICY_FLAG = 0x8000
}

// This constructor is added to address the issue with net6 regarding
// Shim gss api on Linux to delay loading libgssapi_krb5.so
// issue https://github.com/dotnet/SqlClient/issues/1390
// dotnet runtime issue https://github.com/dotnet/runtime/pull/55037
static NetSecurityNative()
{
if (Environment.Version.Major >= 6)
{
EnsureGssInitialized();
}
}
}
}