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Added missing constants and macros related to SID size.

pull/180/head
dahall 2020-09-08 10:40:19 -06:00
parent ea6ecb7d2a
commit 2f50f9250f
1 changed files with 22 additions and 0 deletions
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22
PInvoke/Security/AdvApi32/WinNT.cs
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@ -23,6 +23,28 @@ namespace Vanara.PInvoke
/// <summary/>
public const uint SID_REVISION = 1; // Current revision level
private const int sizeofSID = 12;
/// <summary>The maximum size of a SID.</summary>
public static readonly int SECURITY_MAX_SID_SIZE = SECURITY_SID_SIZE(SID_MAX_SUB_AUTHORITIES);
/// <summary>Returns the number of bytes required for SID given the number of sub-authorities.</summary>
/// <param name="SubAuthorityCount">The sub authority count.</param>
/// <returns>The number of bytes required for ths SID.</returns>
public static int SECURITY_SID_SIZE(int SubAuthorityCount) => sizeofSID + ((SubAuthorityCount - 1) * sizeof(uint));
// 2 (S-)
// 4 (Rev(max: 255)-)
// 15 (
// If (Auth < 2^32): Auth(max:4294967295)-
// Else: 0xAuth(max:FFFFFFFFFFFF)-
// )
// (11 * SID_MAX_SUB_AUTHORITIES) (SubN(max:4294967295)-)
// 1 (NULL character)
// = 187 (assuming SID_MAX_SUB_AUTHORITIES = 15)
/// <summary>The maximum characters in a string representation of a SID.</summary>
public const int SECURITY_MAX_SID_STRING_CHARACTERS = (2 + 4 + 15 + (11 * SID_MAX_SUB_AUTHORITIES) + 1);
/// <summary>Indicates whether the ObjectTypeName and InheritedObjectTypeName members contain strings.</summary>
[PInvokeData("winnt.h")]
[Flags]