From 1dff8c04af815103becfa64506e2fc84a3b0bf15 Mon Sep 17 00:00:00 2001
From: Czipperz <czipperz@gmail.com>
Date: Tue, 5 Jul 2016 02:20:37 -0500
Subject: [PATCH] IsAdmin defined in User.{cc,h}

---
 Source/User.cc | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++
 Source/User.h  | 36 ++++++++++++++++++++++++++++++
 2 files changed, 95 insertions(+)
 create mode 100644 Source/User.cc
 create mode 100644 Source/User.h

diff --git a/Source/User.cc b/Source/User.cc
new file mode 100644
index 0000000..2ab790e
--- /dev/null
+++ b/Source/User.cc
@@ -0,0 +1,59 @@
+////////////////////////////////////////////////////////////////////////////////
+// -------------------------------------------------------------------------- //
+//                                                                            //
+//                       (C) 2010-2016 Robot Developers                       //
+//                       (C) 2016 Chris Gregory czipperz@gmail.com            //
+//                       See LICENSE for licensing info                       //
+//                                                                            //
+// -------------------------------------------------------------------------- //
+////////////////////////////////////////////////////////////////////////////////
+
+//----------------------------------------------------------------------------//
+// Prefaces                                                                   //
+//----------------------------------------------------------------------------//
+
+#include "User.h"
+
+#if defined (ROBOT_OS_MAC) || \
+	defined (ROBOT_OS_LINUX)
+#include <unistd.h>
+#include <sys/types.h>
+#endif
+
+#if defined (ROBOT_OS_WIN)
+#include <Winbase.h>
+#endif
+
+ROBOT_NS_BEGIN
+
+bool User::IsAdmin(void)
+{
+#if defined (ROBOT_OS_MAC) || \
+	defined (ROBOT_OS_LINUX)
+	return getuid() == 0;
+#endif
+#ifdef ROBOT_OS_WIN
+	BOOL b;
+	SID_IDENTIFIER_AUTHORITY NtAuthority = SECURITY_NT_AUTHORITY;
+	PSID AdministratorsGroup;
+	b = AllocateAndInitializeSid(
+		&NtAuthority,
+		2,
+		SECURITY_BUILTIN_DOMAIN_RID,
+		DOMAIN_ALIAS_RID_ADMINS,
+		0, 0, 0, 0, 0, 0,
+		&AdministratorsGroup);
+	if(b)
+	{
+		if (!CheckTokenMembership (NULL, AdministratorsGroup, &b))
+		{
+			b = FALSE;
+		}
+		FreeSid(AdministratorsGroup);
+	}
+
+	return b == TRUE;
+#endif
+}
+
+ROBOT_NS_END
diff --git a/Source/User.h b/Source/User.h
new file mode 100644
index 0000000..e9d0a05
--- /dev/null
+++ b/Source/User.h
@@ -0,0 +1,36 @@
+////////////////////////////////////////////////////////////////////////////////
+// -------------------------------------------------------------------------- //
+//                                                                            //
+//                       (C) 2010-2016 Robot Developers                       //
+//                       (C) 2016 Chris Gregory czipperz@gmail.com            //
+//                       See LICENSE for licensing info                       //
+//                                                                            //
+// -------------------------------------------------------------------------- //
+////////////////////////////////////////////////////////////////////////////////
+
+//----------------------------------------------------------------------------//
+// Prefaces                                                                   //
+//----------------------------------------------------------------------------//
+
+#pragma once
+
+#include "Types.h"
+ROBOT_NS_BEGIN
+
+
+
+//----------------------------------------------------------------------------//
+// Classes                                                                    //
+//----------------------------------------------------------------------------//
+
+////////////////////////////////////////////////////////////////////////////////
+
+class ROBOT_EXPORT User
+{
+public:
+	////////////////////////////////////////////////////////////////////////////////
+
+	static bool IsAdmin(void);
+};
+
+ROBOT_NS_END