niko
88 lines
2.9 KiB
C#
88 lines
2.9 KiB
C#
using System;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace System.Security.Principal
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{
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/// <summary>Represents the Windows user prior to an impersonation operation.</summary>
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// Token: 0x020005B9 RID: 1465
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[ComVisible(true)]
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public class WindowsImpersonationContext : IDisposable
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{
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// Token: 0x06003581 RID: 13697 RVA: 0x000B7A40 File Offset: 0x000B5C40
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internal WindowsImpersonationContext(IntPtr token)
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{
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this._token = WindowsImpersonationContext.DuplicateToken(token);
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if (!WindowsImpersonationContext.SetCurrentToken(token))
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{
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throw new SecurityException("Couldn't impersonate token.");
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}
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this.undo = false;
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}
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/// <summary>Releases all resources used by the <see cref="T:System.Security.Principal.WindowsImpersonationContext" />.</summary>
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// Token: 0x06003582 RID: 13698 RVA: 0x000B7A74 File Offset: 0x000B5C74
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[ComVisible(false)]
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public void Dispose()
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{
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if (!this.undo)
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{
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this.Undo();
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}
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}
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/// <summary>Releases the unmanaged resources used by the <see cref="T:System.Security.Principal.WindowsImpersonationContext" /> and optionally releases the managed resources. </summary>
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/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources. </param>
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// Token: 0x06003583 RID: 13699 RVA: 0x000B7A88 File Offset: 0x000B5C88
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[ComVisible(false)]
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protected virtual void Dispose(bool disposing)
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{
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if (!this.undo)
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{
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this.Undo();
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}
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if (disposing)
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{
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GC.SuppressFinalize(this);
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}
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}
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/// <summary>Reverts the user context to the Windows user represented by this object.</summary>
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/// <exception cref="T:System.Security.SecurityException">An attempt is made to use this method for any purpose other than to revert identity to self. </exception>
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// Token: 0x06003584 RID: 13700 RVA: 0x000B7AA8 File Offset: 0x000B5CA8
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public void Undo()
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{
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if (!WindowsImpersonationContext.RevertToSelf())
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{
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WindowsImpersonationContext.CloseToken(this._token);
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throw new SecurityException("Couldn't switch back to original token.");
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}
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WindowsImpersonationContext.CloseToken(this._token);
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this.undo = true;
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GC.SuppressFinalize(this);
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}
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// Token: 0x06003585 RID: 13701
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static extern bool CloseToken(IntPtr token);
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// Token: 0x06003586 RID: 13702
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static extern IntPtr DuplicateToken(IntPtr token);
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// Token: 0x06003587 RID: 13703
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static extern bool SetCurrentToken(IntPtr token);
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// Token: 0x06003588 RID: 13704
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static extern bool RevertToSelf();
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// Token: 0x04001605 RID: 5637
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private IntPtr _token;
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// Token: 0x04001606 RID: 5638
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private bool undo;
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}
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}
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