使用LogonUser来代替WNetAddConnection2A来访问共享文件夹

来源：互联网发布：程序员桌子上放菜刀编辑：程序博客网时间：2024/05/14 07:01
这边在本地测试通过，用这个方法不是用net use命令模拟，而是类似credential来装扮一个权限的账户来访问网络路径的文件。
 public class FromSharedFoldersInDomain :IDisposable    {        public static byte[] GetData(string remotePath, string fileName)        {            byte[] buffer = new byte[0];            try            {                using (FromSharedFoldersInDomain iss = new FromSharedFoldersInDomain(@"administrator", remotePath, "A+12345678"))                {                    DirectoryInfo Dir = new DirectoryInfo(@"\\\\" + remotePath + "\\" + "hq");                    FileStream fs = new FileStream(Dir.FullName + "\\"+fileName, FileMode.OpenOrCreate);                    using (StreamReader stream = new StreamReader(fs))                    {                        buffer = new byte[fs.Length + 1];                        fs.Read(buffer, 0, buffer.Length);                    }                    fs.Close();                    //DirectoryInfo Dir = new DirectoryInfo(@"\\\\" + hostIp + "\\" + dirname);                }            }catch(Exception ex)            {                Logger.Info("FromSharedFoldersInDomain get byte array has encounter error:" + ex.ToString());            }                                    return buffer;        }          // obtains user token            [DllImport("advapi32.dll", SetLastError = true)]            static extern bool LogonUser(string pszUsername, string pszDomain, string pszPassword,                int dwLogonType, int dwLogonProvider, ref IntPtr phToken);                 // closes open handes returned by LogonUser            [DllImport("kernel32.dll", CharSet = CharSet.Auto)]            extern static bool CloseHandle(IntPtr handle);                 [DllImport("Advapi32.DLL")]            static extern bool ImpersonateLoggedOnUser(IntPtr hToken);                 [DllImport("Advapi32.DLL")]            static extern bool RevertToSelf();            const int LOGON32_PROVIDER_DEFAULT = 0;            const int LOGON32_LOGON_NEWCREDENTIALS = 9;//域的需要癮用:Interactive = 2            private bool disposed;        public FromSharedFoldersInDomain(string sUsername, string sDomain, string sPassword)            {                // initialize tokens                IntPtr pExistingTokenHandle = new IntPtr(0);                IntPtr pDuplicateTokenHandle = new IntPtr(0);                     try                {                    // get handle to token                    bool bImpersonated = LogonUser(sUsername, sDomain, sPassword,                        LOGON32_LOGON_NEWCREDENTIALS, LOGON32_PROVIDER_DEFAULT, ref pExistingTokenHandle);                         if (true == bImpersonated)                    {                        if (!ImpersonateLoggedOnUser(pExistingTokenHandle))                        {                            int nErrorCode = Marshal.GetLastWin32Error();                            throw new Exception("ImpersonateLoggedOnUser error;Code=" + nErrorCode);                        }                    }                    else                    {                        int nErrorCode = Marshal.GetLastWin32Error();                        throw new Exception("LogonUser error;Code=" + nErrorCode);                    }                }                finally                {                    // close handle(s)                    if (pExistingTokenHandle != IntPtr.Zero)                        CloseHandle(pExistingTokenHandle);                    if (pDuplicateTokenHandle != IntPtr.Zero)                        CloseHandle(pDuplicateTokenHandle);                }            }                 protected virtual void Dispose(bool disposing)            {                if (!disposed)                {                    RevertToSelf();                    disposed = true;                }            }                 public void Dispose()            {                Dispose(true);            }        }
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