mirror of https://github.com/dahall/Vanara.git
Fixed memory leaks when using WindowsIdentity.GetCurrent() (#91)
parent
9a21348784
commit
a3fb998699
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@ -134,7 +134,10 @@ namespace Vanara.IO
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/// <summary>Checks if the current user has administrator rights.</summary>
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internal static bool IsCurrentUserAdministrator()
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{
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var wp = new WindowsPrincipal(WindowsIdentity.GetCurrent());
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using var identity = WindowsIdentity.GetCurrent();
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var wp = new WindowsPrincipal(identity);
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return wp.IsInRole(WindowsBuiltInRole.Administrator);
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}
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@ -4,6 +4,7 @@ using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Security.Principal;
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using Vanara.Extensions;
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using Vanara.InteropServices;
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using static Vanara.PInvoke.Kernel32;
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@ -54,7 +55,15 @@ namespace Vanara.PInvoke
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/// <summary>Gets the SID for the current user</summary>
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/// <value>The current user's SID.</value>
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public static SafePSID Current => new SafePSID(System.Security.Principal.WindowsIdentity.GetCurrent().User);
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public static SafePSID Current
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{
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get
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{
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using var identity = WindowsIdentity.GetCurrent();
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return new SafePSID(identity.User);
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}
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}
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/// <summary>A SID representing the Everyone Group (S-1-1-0).</summary>
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public static SafePSID Everyone => CreateWellKnown(WELL_KNOWN_SID_TYPE.WinWorldSid);
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@ -308,7 +308,17 @@ namespace Vanara.Security.AccessControl
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/// <param name="userName">Name of the user.</param>
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public AccountPrivileges(SystemSecurity parent, string userName = null)
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{
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ctrl = parent; user = userName ?? WindowsIdentity.GetCurrent().Name;
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ctrl = parent;
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if (!string.IsNullOrEmpty(userName))
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user = userName;
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else
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{
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using var identity = WindowsIdentity.GetCurrent();
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user = identity.Name;
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}
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}
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/// <summary>Gets or sets the enablement of the specified privilege.</summary>
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@ -356,7 +366,18 @@ namespace Vanara.Security.AccessControl
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/// <param name="userName">Name of the user.</param>
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public LogonRights(SystemSecurity parent, string userName = null)
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{
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ctrl = parent; user = userName ?? WindowsIdentity.GetCurrent().Name;
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ctrl = parent;
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if (!string.IsNullOrEmpty(userName))
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user = userName;
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else
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{
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using var identity = WindowsIdentity.GetCurrent();
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user = identity.Name;
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}
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}
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/// <summary>Gets the logon rights for the current user.</summary>
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@ -1,5 +1,6 @@
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using NUnit.Framework;
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using System;
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using System.Security.Principal;
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namespace Vanara.IO.Tests
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{
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@ -89,7 +90,9 @@ namespace Vanara.IO.Tests
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Assert.That(() => job.OnDemand = true, Throws.Nothing);
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Assert.That(job.OnDemand, Is.EqualTo(true));
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Assert.That(job.Owner, Is.EqualTo(System.Security.Principal.WindowsIdentity.GetCurrent().User));
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using var identity = WindowsIdentity.GetCurrent();
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Assert.That(job.Owner, Is.EqualTo(identity.User));
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Assert.That(job.OwnerIntegrityLevel, Is.EqualTo(8192));
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@ -149,7 +149,10 @@ namespace Vanara.PInvoke.Tests
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Assert.That(() => e.First(i => i.lgrpi0_name == val), Throws.Nothing);
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var info = NetLocalGroupGetInfo<LOCALGROUP_INFO_1>(null, val);
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Assert.That(info.lgrpi1_name, Is.EqualTo(val));
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var sidmem = new SafeHGlobalHandle(System.Security.Principal.WindowsIdentity.GetCurrent().User.GetBytes());
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using var identity = WindowsIdentity.GetCurrent();
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var sidmem = new SafeHGlobalHandle(identity.User.GetBytes());
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NetLocalGroupAddMembers(null, val, new[] { new LOCALGROUP_MEMBERS_INFO_0 { lgrmi0_sid = (IntPtr)sidmem } });
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var m = NetLocalGroupGetMembers<LOCALGROUP_MEMBERS_INFO_3>(null, val);
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Assert.That(m, Is.Not.Empty);
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@ -17,7 +17,21 @@ namespace Vanara.PInvoke.Tests
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public static IEnumerable<Guid> Categories => AuditEnumerateCategories();
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public static SafePSID CurUserSid => pCurSid ?? (pCurSid = new SafePSID(WindowsIdentity.GetCurrent().User.GetBytes()));
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public static SafePSID CurUserSid
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{
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get
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{
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if (null != pCurSid)
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return pCurSid;
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using var identity = WindowsIdentity.GetCurrent();
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return pCurSid = new SafePSID(identity.User.GetBytes());
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}
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}
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public static IEnumerable<PSID> PerUserPolicy => AuditEnumeratePerUserPolicy();
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@ -46,8 +60,11 @@ namespace Vanara.PInvoke.Tests
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[Test()]
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public void AuditComputeEffectivePolicyByTokenTest()
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{
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using (var hTok = new SafeHTOKEN(WindowsIdentity.GetCurrent().Token))
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Assert.That(AuditComputeEffectivePolicyByToken(hTok, new[] { regAudit }), Is.Not.Empty);
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using var identity = WindowsIdentity.GetCurrent();
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using var hTok = new SafeHTOKEN(identity.Token);
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Assert.That(AuditComputeEffectivePolicyByToken(hTok, new[] { regAudit }), Is.Not.Empty);
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}
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[Test]
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@ -62,7 +62,11 @@ namespace Vanara.Security.AccessControl.Tests
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using (ss = new SystemSecurity(SystemSecurity.DesiredAccess.LookupNames))
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{
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IList<SystemSecurity.SystemAccountInfo> sa = null;
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Assert.That(() => sa = ss.GetAccountInfo(false, false, WindowsIdentity.GetCurrent().User, new SecurityIdentifier(WellKnownSidType.BuiltinAdministratorsSid, null)), Throws.Nothing);
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using var identity = WindowsIdentity.GetCurrent();
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Assert.That(() => sa = ss.GetAccountInfo(false, false, identity.User, new SecurityIdentifier(WellKnownSidType.BuiltinAdministratorsSid, null)), Throws.Nothing);
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foreach (var sai in sa)
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TestContext.WriteLine($"{sai.SidType}:{sai.Name}");
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}
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