mirror of https://github.com/dahall/Vanara.git
40 lines
1.7 KiB
C#
40 lines
1.7 KiB
C#
using System.Security.AccessControl;
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using Vanara.PInvoke;
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using static Vanara.PInvoke.AdvApi32;
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namespace Vanara.Extensions;
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/// <summary>Extension methods for native and .NET access control objects.</summary>
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public static class AccessExtension
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{
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/// <summary>Converts a PSECURITY_DESCRIPTOR to a byte array.</summary>
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/// <param name="securityDescriptor">The security descriptor.</param>
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/// <returns>The byte array of the PSECURITY_DESCRIPTOR.</returns>
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public static byte[] ToByteArray(this PSECURITY_DESCRIPTOR securityDescriptor)
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{
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var sdLength = GetSecurityDescriptorLength(securityDescriptor);
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var buffer = new byte[sdLength];
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Marshal.Copy((IntPtr)securityDescriptor, buffer, 0, (int)sdLength);
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return buffer;
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}
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/// <summary>Converts a PSECURITY_DESCRIPTOR to a managed RawSecurityDescriptor.</summary>
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/// <param name="securityDescriptor">The security descriptor.</param>
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/// <returns>The RawSecurityDescriptor.</returns>
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public static RawSecurityDescriptor ToManaged(this PSECURITY_DESCRIPTOR securityDescriptor) => new(securityDescriptor.ToByteArray(), 0);
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/// <summary>Converts a RawSecurityDescriptor to a native safe handle.</summary>
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/// <param name="rawSD">The RawSecurityDescriptor.</param>
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/// <returns>A native safe handle for PSECURITY_DESCRIPTOR.</returns>
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public static SafePSECURITY_DESCRIPTOR ToNative(this RawSecurityDescriptor rawSD) => new(rawSD.ToByteArray());
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/// <summary>Converts a RawSecurityDescriptor to a byte array.</summary>
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/// <param name="rawSD">The RawSecurityDescriptor.</param>
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/// <returns>A byte array.</returns>
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public static byte[] ToByteArray(this RawSecurityDescriptor rawSD)
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{
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var buffer = new byte[rawSD.BinaryLength];
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rawSD.GetBinaryForm(buffer, 0);
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return buffer;
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}
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} |