■usingSystem; usingSy...... using System; using System.Collections.Generic; using System.Text; using System.Security.Principal; using System.Runtime.InteropServices; public class Impersonate { #region 模拟 private WindowsImpersonationContext impersonationContext; private const int LOGON32_LOGON_INTERACTIVE = 2; private const int LOGON32_PROVIDER_DEFAULT = 0; [DllImport("advapi32.dll", CharSet = CharSet.Auto)] private static extern int LogonUser(String lpszUserName, String lpszDomain, String lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken); [DllImport("advapi32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)] private extern static int DuplicateToken(IntPtr hToken, int impersonationLevel, ref IntPtr hNewToken); [DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)] private static extern bool RevertToSelf(); [DllImport("kernel32.dll", CharSet = CharSet.Auto)] private extern static bool CloseHandle(IntPtr handle); /// /// 模拟一个用户 /// /// 用户名 /// 密码 /// 域名/计算机名 /// public bool ImpersonateUser(string userName, string password, string domain) { WindowsIdentity wi; IntPtr token = IntPtr.Zero; IntPtr tokenDuplicate = IntPtr.Zero; if (RevertToSelf()) { if (LogonUser(userName, domain, password, LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT, ref token) != 0) { if (DuplicateToken(token, 2, ref tokenDuplicate) != 0) { wi = new WindowsIdentity(tokenDuplicate); impersonationContext = wi.Impersonate(); if (impersonationContext != null) { CloseHandle(tokenDuplicate); CloseHandle(token); return true; } else { if (tokenDuplicate != IntPtr.Zero) CloseHandle(tokenDuplicate); if (token != IntPtr.Zero) CloseHandle(token); return false; } } else { if (token != IntPtr.Zero) CloseHandle(token); return false; } } else return false; } else return false; } /// /// 取消模拟 /// public void UndoImpersonation() { impersonationContext.Undo(); } #endregion #region 关机 [StructLayout(LayoutKind.Sequential, Pack = 1)] private struct TokPriv1Luid { public int Count; public long Luid; public int Attr; } [DllImport("kernel32.dll", ExactSpelling = true)] private static extern IntPtr GetCurrentThread(); [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)] private static extern bool OpenThreadToken(IntPtr h, int acc, bool openAsSelf, ref IntPtr phtok); [DllImport("advapi32.dll", SetLastError = true)] private static extern bool LookupPrivilegeValue(string host, string name, ref long pluid); [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)] private static extern bool AdjustTokenPrivileges(IntPtr htok, bool disall, ref TokPriv1Luid newst, int len, IntPtr prev, IntPtr relen); [DllImport("user32.dll", ExactSpelling = true, SetLastError = true)] private static extern bool ExitWindowsEx(int flg, int rea); [DllImport("advapi32.dll")] private static extern bool InitiateSystemShutdown(string Machinename, string Message, long Timeout, bool ForceAppsClosed, bool RebootAfterShutdown); private const int SE_PRIVILEGE_ENABLED = 0x00000002; private const int TOKEN_QUERY = 0x00000008; private const int TOKEN_ADJUST_PRIVILEGES = 0x00000020; private const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege"; private const int EWX_LOGOFF = 0x00000000; private const int EWX_SHUTDOWN = 0x00000001; private const int EWX_REBOOT = 0x00000002; private const int EWX_FORCE = 0x00000004; private const int EWX_POWEROFF = 0x00000008; private const int EWX_FORCEIFHUNG = 0x00000010; /// /// 关机 /// /// public bool ShutDown() { bool result; TokPriv1Luid tp; //注意:这里用的是GetCurrentThread,而不是GetCurrentProcess IntPtr hproc = GetCurrentThread(); IntPtr htok = IntPtr.Zero; //注意:这里用的是OpenThreadToken(打开线程令牌),而不是OpenProcessToken(打开进程令牌) result = OpenThreadToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, true, ref htok); tp.Count = 1; tp.Luid = 0; tp.Attr = SE_PRIVILEGE_ENABLED; result = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tp.Luid); result = AdjustTokenPrivileges(htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero); result = InitiateSystemShutdown("", "", 60, true, false); return result; } #endregion } |
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