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Added IEquatable support to SID_IDENTIFIER_AUTHORITY and PSID_IDENTIFIER_AUTHORITY

pull/250/head
dahall 2021-10-07 15:18:30 -06:00
parent c12f2495b2
commit cc495e80f5
1 changed files with 85 additions and 3 deletions
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88
PInvoke/Security/AdvApi32/WinNT.cs
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@ -3217,10 +3217,55 @@ namespace Vanara.PInvoke
/// <summary>The SID_IDENTIFIER_AUTHORITY structure represents the top-level authority of a security identifier (SID).</summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
[PInvokeData("Winnt.h", MSDNShortId = "aa379598")]
public struct SID_IDENTIFIER_AUTHORITY
public struct SID_IDENTIFIER_AUTHORITY : IEquatable<PSID_IDENTIFIER_AUTHORITY>, IEquatable<SID_IDENTIFIER_AUTHORITY>, IEquatable<byte[]>
{
/// <summary>An array of 6 bytes specifying a SID's top-level authority.</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)] public byte[] Value;
/// <summary>Implements the operator !=.</summary>
/// <param name="h1">The first handle.</param>
/// <param name="h2">The second handle.</param>
/// <returns>The result of the operator.</returns>
public static bool operator !=(SID_IDENTIFIER_AUTHORITY h1, SID_IDENTIFIER_AUTHORITY h2) => !(h1 == h2);
/// <summary>Implements the operator ==.</summary>
/// <param name="h1">The first handle.</param>
/// <param name="h2">The second handle.</param>
/// <returns>The result of the operator.</returns>
public static bool operator ==(SID_IDENTIFIER_AUTHORITY h1, SID_IDENTIFIER_AUTHORITY h2) => h1.Equals(h2);
/// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// <see langword="true"/> if the current object is equal to the <paramref name="other"/> parameter; otherwise, <see langword="false"/>.
/// </returns>
public bool Equals(PSID_IDENTIFIER_AUTHORITY other) => PSID_IDENTIFIER_AUTHORITY.Equals6Bytes(Value, other.Value);
/// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// <see langword="true"/> if the current object is equal to the <paramref name="other"/> parameter; otherwise, <see langword="false"/>.
/// </returns>
public bool Equals(SID_IDENTIFIER_AUTHORITY other) => PSID_IDENTIFIER_AUTHORITY.Equals6Bytes(Value, other.Value);
/// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// <see langword="true"/> if the current object is equal to the <paramref name="other"/> parameter; otherwise, <see langword="false"/>.
/// </returns>
public bool Equals(byte[] other) => PSID_IDENTIFIER_AUTHORITY.Equals6Bytes(Value, other);
/// <inheritdoc/>
public override bool Equals(object obj) => obj switch
{
PSID_IDENTIFIER_AUTHORITY h => Equals(h),
SID_IDENTIFIER_AUTHORITY h => Equals(h),
byte[] h => Equals(h),
_ => ReferenceEquals(Value, obj),
};
/// <inheritdoc/>
public override int GetHashCode() => Value.GetHashCode();
}
/// <summary>
@ -4453,7 +4498,7 @@ namespace Vanara.PInvoke
// _SID_IDENTIFIER_AUTHORITY { BYTE Value[6]; } SID_IDENTIFIER_AUTHORITY, *PSID_IDENTIFIER_AUTHORITY;
[PInvokeData("winnt.h", MSDNShortId = "450a6d2d-d2e4-4098-90af-a8024ddcfcb5")]
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public class PSID_IDENTIFIER_AUTHORITY
public class PSID_IDENTIFIER_AUTHORITY : IEquatable<PSID_IDENTIFIER_AUTHORITY>, IEquatable<SID_IDENTIFIER_AUTHORITY>, IEquatable<byte[]>
{
/// <summary>An array of 6 bytes specifying a SID's top-level authority.</summary>
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
@ -4527,11 +4572,48 @@ namespace Vanara.PInvoke
/// <returns>The result of the operator.</returns>
public static bool operator ==(PSID_IDENTIFIER_AUTHORITY h1, PSID_IDENTIFIER_AUTHORITY h2) => h1.Equals(h2);
/// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// <see langword="true"/> if the current object is equal to the <paramref name="other"/> parameter; otherwise, <see langword="false"/>.
/// </returns>
public bool Equals(PSID_IDENTIFIER_AUTHORITY other) => Equals6Bytes(Value, other.Value);
/// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// <see langword="true"/> if the current object is equal to the <paramref name="other"/> parameter; otherwise, <see langword="false"/>.
/// </returns>
public bool Equals(SID_IDENTIFIER_AUTHORITY other) => Equals6Bytes(Value, other.Value);
/// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
/// <param name="other">An object to compare with this object.</param>
/// <returns>
/// <see langword="true"/> if the current object is equal to the <paramref name="other"/> parameter; otherwise, <see langword="false"/>.
/// </returns>
public bool Equals(byte[] other) => Equals6Bytes(Value, other);
/// <inheritdoc/>
public override bool Equals(object obj) => obj is PSID_IDENTIFIER_AUTHORITY h ? h.LongValue == h.LongValue : false;
public override bool Equals(object obj) => obj switch
{
PSID_IDENTIFIER_AUTHORITY h => Equals(h),
SID_IDENTIFIER_AUTHORITY h => Equals(h),
byte[] h => Equals(h),
_ => ReferenceEquals(Value, obj),
};
/// <inheritdoc/>
public override int GetHashCode() => LongValue.GetHashCode();
internal static bool Equals6Bytes(byte[] a, byte[] b)
{
if (a is null || b is null || a.Length != 6 || b.Length != 6)
return false;
for (int i = 0; i < 6; i++)
if (a[i] != b[i])
return false;
return true;
}
}
/// <summary>A SafeHandle for access control lists. If owned, will call LocalFree on the pointer when disposed.</summary>