public NetworkCredential ToNetworkCredential() { if (!string.IsNullOrEmpty(UserName)) { var userBuilder = new StringBuilder(UserName.Length + 2); var domainBuilder = new StringBuilder(UserName.Length + 2); var returnCode = NativeCode.CredUIParseUserName(UserName, userBuilder, userBuilder.Capacity, domainBuilder, domainBuilder.Capacity); var lastError = Marshal.GetLastWin32Error(); //assuming invalid account name to be not meeting condition for CredUIParseUserName //"The name must be in UPN or down-level format, or a certificate" if (returnCode == NativeCode.CredentialUIReturnCodes.InvalidAccountName) { userBuilder.Append(UserName); } else if (returnCode != 0) { throw new CredentialAPIException($"Unable to Parse UserName", "CredUIParseUserName", lastError); } return(new NetworkCredential(userBuilder.ToString(), this.CredentialBlob, domainBuilder.ToString())); } else { return(new NetworkCredential(UserName, this.CredentialBlob)); } }
/// <summary> /// Extract the stored credential from Windows Credential store /// </summary> /// <param name="Target">Name of the application/Url where the credential is used for</param> /// <returns>null if target not found, else stored credentials</returns> public static NetworkCredential GetCredentials(string Target, CredentialType type = CredentialType.Generic) { IntPtr nCredPtr; var username = String.Empty; var passwd = String.Empty; var domain = String.Empty; // Make the API call using the P/Invoke signature bool ret = NativeCode.CredRead(Target, (NativeCode.CredentialType)type, 0, out nCredPtr); int lastError = Marshal.GetLastWin32Error(); if (!ret) { throw new Win32Exception(lastError, "CredDelete throw an error"); } // If the API was successful then... if (ret) { try { using (CriticalCredentialHandle critCred = new CriticalCredentialHandle(nCredPtr)) { Credential cred = critCred.GetCredential(); passwd = cred.CredentialBlob; if (!String.IsNullOrEmpty(cred.UserName)) { var user = cred.UserName; StringBuilder userBuilder = new StringBuilder(cred.UserName.Length + 2); StringBuilder domainBuilder = new StringBuilder(cred.UserName.Length + 2); var ret1 = NativeCode.CredUIParseUserName(user, userBuilder, userBuilder.Capacity, domainBuilder, domainBuilder.Capacity); lastError = Marshal.GetLastWin32Error(); //assuming invalid account name to be not meeting condition for CredUIParseUserName //"The name must be in UPN or down-level format, or a certificate" if (ret1 == NativeCode.CredentialUIReturnCodes.InvalidAccountName) { userBuilder.Append(user); } else if ((uint)ret1 > 0) { throw new Win32Exception(lastError, "CredUIParseUserName throw an error"); } username = userBuilder.ToString(); domain = domainBuilder.ToString(); } return(new NetworkCredential(username, passwd, domain)); } } catch (Exception e) { return(null); } } return(null); }
/// <summary> /// Extract the stored credential from Windows Credential store /// </summary> /// <param name="target">Name of the application/Url where the credential is used for</param> /// <param name="type">Credential type</param> /// <returns>return the credentials if success, null if target not found, throw if failed to read stored credentials</returns> public static NetworkCredential GetCredentials(string target, CredentialType type = CredentialType.Generic) { IntPtr nCredPtr; var username = String.Empty; var passwd = String.Empty; var domain = String.Empty; // Make the API call using the P/Invoke signature bool isSuccess = NativeCode.CredRead(target, (NativeCode.CredentialType)type, 0, out nCredPtr); if (!isSuccess) { var lastError = Marshal.GetLastWin32Error(); if (lastError == (int)NativeCode.CredentialUIReturnCodes.NotFound) { return(null); } throw new Win32Exception(lastError, String.Format("'CredRead' call throw an error (Error code: {0})", lastError)); } try { using (var critCred = new CriticalCredentialHandle(nCredPtr)) { Credential cred = critCred.GetCredential(); passwd = cred.CredentialBlob; if (!String.IsNullOrEmpty(cred.UserName)) { var user = cred.UserName; StringBuilder userBuilder = new StringBuilder(cred.UserName.Length + 2); StringBuilder domainBuilder = new StringBuilder(cred.UserName.Length + 2); var returnCode = NativeCode.CredUIParseUserName(user, userBuilder, userBuilder.Capacity, domainBuilder, domainBuilder.Capacity); var lastError = Marshal.GetLastWin32Error(); //assuming invalid account name to be not meeting condition for CredUIParseUserName //"The name must be in UPN or down-level format, or a certificate" if (returnCode == NativeCode.CredentialUIReturnCodes.InvalidAccountName) { userBuilder.Append(user); } else if (returnCode != 0) { throw new Win32Exception(lastError, String.Format("CredUIParseUserName throw an error (Error code: {0})", lastError)); } username = userBuilder.ToString(); domain = domainBuilder.ToString(); } return(new NetworkCredential(username, passwd, domain)); } } catch (Exception) { return(null); } }
internal static bool ParseUserName(string usernameBuf, int maxUserName, int maxDomain, out string user, out string domain) { var userBuilder = new StringBuilder(maxUserName); var domainBuilder = new StringBuilder(maxDomain); user = String.Empty; domain = String.Empty; var returnCode = NativeCode.CredUIParseUserName(usernameBuf, userBuilder, maxUserName, domainBuilder, maxDomain); Debug.WriteLine(returnCode); switch (returnCode) { case NativeCode.CredentialUIReturnCodes.Success: // The username is valid. user = userBuilder.ToString(); domain = domainBuilder.ToString(); return(true); } return(false); }
/// <summary> /// Accepts credentials in a console window /// </summary> /// <param name="Target">A descriptive text for where teh credentials being asked are used for</param> /// <returns>NetworkCredential object containing the user name, </returns> public static NetworkCredential PromptForCredentialsConsole(string target) { var user = String.Empty; var password = String.Empty; var domain = String.Empty; // Setup the flags and variables StringBuilder userPassword = new StringBuilder(), userID = new StringBuilder(); bool save = true; NativeCode.CredentialUIFlags flags = NativeCode.CredentialUIFlags.CompleteUsername | NativeCode.CredentialUIFlags.ExcludeCertificates | NativeCode.CredentialUIFlags.GenericCredentials; // Prompt the user NativeCode.CredentialUIReturnCodes returnCode = NativeCode.CredUICmdLinePromptForCredentials(target, IntPtr.Zero, 0, userID, 100, userPassword, 100, ref save, flags); password = userPassword.ToString(); StringBuilder userBuilder = new StringBuilder(); StringBuilder domainBuilder = new StringBuilder(); returnCode = NativeCode.CredUIParseUserName(userID.ToString(), userBuilder, int.MaxValue, domainBuilder, int.MaxValue); switch (returnCode) { case NativeCode.CredentialUIReturnCodes.Success: // The username is valid. user = userBuilder.ToString(); domain = domainBuilder.ToString(); break; case NativeCode.CredentialUIReturnCodes.InvalidAccountName: // The username is not valid. user = userID.ToString(); domain = null; break; case NativeCode.CredentialUIReturnCodes.InsufficientBuffer: // One of the buffers is too small. throw new OutOfMemoryException(); case NativeCode.CredentialUIReturnCodes.InvalidParameter: // ulUserMaxChars or ulDomainMaxChars is zero OR userName, user, or domain is NULL. throw new ArgumentNullException("userName"); } return(new NetworkCredential(user, password, domain)); }
internal static NetworkCredential ToNetworkCredential(this Credential cred) { if (cred == null) { return(null); } string username = string.Empty; string domain = string.Empty; var passwd = cred.CredentialBlob; if (!string.IsNullOrEmpty(cred.UserName)) { var user = cred.UserName; var userBuilder = new StringBuilder(cred.UserName.Length + 2); var domainBuilder = new StringBuilder(cred.UserName.Length + 2); var returnCode = NativeCode.CredUIParseUserName(user, userBuilder, userBuilder.Capacity, domainBuilder, domainBuilder.Capacity); var lastError = Marshal.GetLastWin32Error(); //assuming invalid account name to be not meeting condition for CredUIParseUserName //"The name must be in UPN or down-level format, or a certificate" if (returnCode == NativeCode.CredentialUIReturnCodes.InvalidAccountName) { userBuilder.Append(user); } else if (returnCode != 0) { throw new Win32Exception(lastError, String.Format("CredUIParseUserName throw an error (Error code: {0})", lastError)); } username = userBuilder.ToString(); domain = domainBuilder.ToString(); } return(new NetworkCredential(username, passwd, domain)); }