67 lines
2.3 KiB
C#
67 lines
2.3 KiB
C#
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///////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity - Singularity ABI
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: PrincipalId.cs
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//
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// Note:
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//
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using System;
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using System.Runtime.CompilerServices;
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using System.Threading;
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using Microsoft.Singularity.Security;
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namespace Microsoft.Singularity.V1.Security
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{
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[CLSCompliant(false)]
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public struct PrincipalHandle
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{
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public readonly ulong val;
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internal PrincipalHandle(ulong val)
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{
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this.val = val;
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}
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[ExternalEntryPoint]
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public static PrincipalHandle SelfPrincipalHandle()
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{
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return new PrincipalHandle(Thread.CurrentProcess.Principal.Val);
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}
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/* For the following routine, assume that the length of the output string
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is nchars. If nchars is larger than outNameLength, this routine returns
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-nchars without touching outName. Otherwise, the output string is copied
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into outName, and nchars is returns. */
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[ExternalEntryPoint]
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public static unsafe int GetPrincipalNameImpl(PrincipalHandle handle,
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/*[out]*/ char *outName, int outNameLength)
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{
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Principal p = PrincipalImpl.MakePrincipal(handle.val);
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string name = p.GetName();
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if (name.Length > outNameLength)
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return (-name.Length);
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return name.InternalGetChars(outName, outNameLength);
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}
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[ExternalEntryPoint]
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public static unsafe int ExpandAclIndirectionImpl(/*[in]*/ char *name, int nameLength,
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/*[out]*/ char *outText, int outTextLength)
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{
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if (name == null || nameLength == 0)
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return 0;
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string myname = String.StringCTOR(name, 0, nameLength);
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string res = PrincipalImpl.ExpandAclIndirection(myname);
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if (res == null || res.Length == 0)
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return 0;
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if (res.Length > outTextLength)
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return (-res.Length);
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return res.InternalGetChars(outText, outTextLength);
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}
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}
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}
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