在C＃中访问Windows中受密码保护的网络驱动器？
所以在C＃中我试图访问网络上的文件，例如“@applications/myapp/test.txt”，如下所示：
const string fileLocation = @"//applications/myapp/test.txt"; using (StreamReader fin = new StreamReader(FileLocation)) { while(!fin.EndOfStream()){ //Do some cool stuff with file } } 但是我收到以下错误：
System.IO.IOException : Logon failure: unknown user name or bad password.
我认为它是因为我需要提供一些网络凭证，但我不知道如何让这些在这种情况下工作。
有没有人知道访问密码保护位置上的这些文件的最佳方式（或任何方式）？
提前致谢！！
这个问题让我在相同的情况下需要快速到达。
以下是我调整代码的方法：
using System; using System.Runtime.InteropServices; /// /// Implements P/Invoke Interop calls to the operating system. /// internal static class NativeMethods { /// /// The type of logon operation to perform. /// internal enum LogonType : int { /// /// This logon type is intended for users who will be interactively /// using the computer, such as a user being logged on by a /// terminal server, remote shell, or similar process. /// This logon type has the additional expense of caching logon /// information for disconnected operations; therefore, it is /// inappropriate for some client/server applications, such as a /// mail server. /// Interactive = 2, /// /// This logon type is intended for high performance servers to /// authenticate plaintext passwords. /// The LogonUser function does not cache credentials for this /// logon type. /// Network = 3, /// /// This logon type is intended for batch servers, where processes /// may be executing on behalf of a user without their direct /// intervention. This type is also for higher performance servers /// that process many plaintext authentication attempts at a time, /// such as mail or Web servers. /// The LogonUser function does not cache credentials for this /// logon type. /// Batch = 4, /// /// Indicates a service-type logon. The account provided must have /// the service privilege enabled. /// Service = 5, /// /// This logon type is for GINA DLLs that log on users who will be /// interactively using the computer. /// This logon type can generate a unique audit record that shows /// when the workstation was unlocked. /// Unlock = 7, /// /// This logon type preserves the name and password in the /// authentication package, which allows the server to make /// connections to other network servers while impersonating the /// client. A server can accept plaintext credentials from a /// client, call LogonUser, verify that the user can access the /// system across the network, and still communicate with other /// servers. /// NOTE: Windows NT: This value is not supported. /// NetworkCleartext = 8, /// /// This logon type allows the caller to clone its current token /// and specify new credentials for outbound connections. The new /// logon session has the same local identifier but uses different /// credentials for other network connections. /// NOTE: This logon type is supported only by the /// LOGON32_PROVIDER_WINNT50 logon provider. /// NOTE: Windows NT: This value is not supported. /// NewCredentials = 9 } /// /// Specifies the logon provider. /// internal enum LogonProvider : int { /// /// Use the standard logon provider for the system. /// The default security provider is negotiate, unless you pass /// NULL for the domain name and the user name is not in UPN format. /// In this case, the default provider is NTLM. /// NOTE: Windows 2000/NT: The default security provider is NTLM. /// Default = 0, /// /// Use this provider if you'll be authenticating against a Windows /// NT 3.51 domain controller (uses the NT 3.51 logon provider). /// WinNT35 = 1, /// /// Use the NTLM logon provider. /// WinNT40 = 2, /// /// Use the negotiate logon provider. /// WinNT50 = 3 } /// /// The type of logon operation to perform. /// internal enum SecurityImpersonationLevel : int { /// /// The server process cannot obtain identification information /// about the client, and it cannot impersonate the client. It is /// defined with no value given, and thus, by ANSI C rules, /// defaults to a value of zero. /// Anonymous = 0, /// /// The server process can obtain information about the client, /// such as security identifiers and privileges, but it cannot /// impersonate the client. This is useful for servers that export /// their own objects, for example, database products that export /// tables and views. Using the retrieved client-security /// information, the server can make access-validation decisions /// without being able to use other services that are using the /// client's security context. /// Identification = 1, /// /// The server process can impersonate the client's security /// context on its local system. The server cannot impersonate the /// client on remote systems. /// Impersonation = 2, /// /// The server process can impersonate the client's security /// context on remote systems. /// NOTE: Windows NT: This impersonation level is not supported. /// Delegation = 3 } /// /// Logs on the user. /// /// Name of the user. /// The domain. /// The password. /// Type of the logon. /// The logon provider. /// The token. /// True if the function succeeds, false if the function fails. /// To get extended error information, call GetLastError. [DllImport("advapi32.dll", CharSet = CharSet.Unicode, SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] internal static extern bool LogonUser( string userName, string domain, string password, LogonType logonType, LogonProvider logonProvider, out IntPtr token); /// /// Duplicates the token. /// /// The existing token /// handle. /// The security impersonation /// level. /// The duplicate token /// handle. /// True if the function succeeds, false if the function fails. /// To get extended error information, call GetLastError. [DllImport("advapi32.dll", CharSet = CharSet.Unicode, SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] internal static extern bool DuplicateToken( IntPtr existingTokenHandle, SecurityImpersonationLevel securityImpersonationLevel, out IntPtr duplicateTokenHandle); /// /// Closes the handle. /// /// The handle. /// True if the function succeeds, false if the function fails. /// To get extended error information, call GetLastError. [DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] internal static extern bool CloseHandle(IntPtr handle); }
其次是
IntPtr token; if (!NativeMethods.LogonUser( this.userName, this.domain, this.password, NativeMethods.LogonType.NewCredentials, NativeMethods.LogonProvider.Default, out token)) { throw new Win32Exception(); } try { IntPtr tokenDuplicate; if (!NativeMethods.DuplicateToken( token, NativeMethods.SecurityImpersonationLevel.Impersonation, out tokenDuplicate)) { throw new Win32Exception(); } try { using (WindowsImpersonationContext impersonationContext = new WindowsIdentity(tokenDuplicate).Impersonate()) { // Do stuff with your share here. impersonationContext.Undo(); return; } } finally { if (tokenDuplicate != IntPtr.Zero) { if (!NativeMethods.CloseHandle(tokenDuplicate)) { // Uncomment if you need to know this case. ////throw new Win32Exception(); } } } } finally { if (token != IntPtr.Zero) { if (!NativeMethods.CloseHandle(token)) { // Uncomment if you need to know this case. ////throw new Win32Exception(); } } }