- using windows authentication with custom logon

i am using VS2013 to create an intranet site. I wan wan to use custom login form and use windows authentication. I can logon and it redirect.

1. In Login.aspx.vb, am, is this the right way to do it?
Imports System.Collections
Imports System.Configuration
Imports System.Data
Imports System.Linq
Imports System.Web
Imports System.Web.Security
Imports System.Web.UI
Imports System.Web.UI.HtmlControls
Imports System.Web.UI.WebControls
Imports System.Web.UI.WebControls.WebParts
Imports System.Runtime.InteropServices

Public Partial Class Account_Login
    Inherits Page

     <DllImport("ADVAPI32.dll", EntryPoint:="LogonUserW", SetLastError:=True, CharSet:=CharSet.Auto)> _
    Public Shared Function LogonUser(lpszUsername As String, lpszDomain As String, lpszPassword As String, dwLogonType As Integer, dwLogonProvider As Integer, ByRef phToken As IntPtr) As Boolean
    End Function

    Protected Sub Page_Load(sender As Object, e As EventArgs) Handles Me.Load
        RegisterHyperLink.NavigateUrl = "Register"
        OpenAuthLogin.ReturnUrl = Request.QueryString("ReturnUrl")
        Dim returnUrl = HttpUtility.UrlEncode(Request.QueryString("ReturnUrl"))
        If Not [String].IsNullOrEmpty(returnUrl) Then
            RegisterHyperLink.NavigateUrl += "?ReturnUrl=" & returnUrl
        End If
    End Sub

    Protected Sub LogIn(sender As Object, e As EventArgs)

        Dim token As IntPtr = IntPtr.Zero
        Dim blnResult As Boolean = False

        blnResult = LogonUser(UserName.Text, "mydomain", Password.Text, 2, 0, token)

        If blnResult = True Then


              FailureText.Text = "Invalid username or password."
              ErrorMessage.Visible = True

        End If
    End Sub
End Class

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2. Once I login, how can set Logview to say "Welcome, myname" ?

3. Do I need to add below in webconfig file

<authentication mode="Forms">
      <forms loginUrl="~/Account/Login.aspx" timeout="2880"/>

      <deny users="?" />

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John Gates, CISSPSecurity ProfessionalCommented:
To get the username to move to your landing page you can do the following in this block of code:

If blnResult = True Then

        session.item("Username") = Trim(UserName.Text)

              FailureText.Text = "Invalid username or password."
              ErrorMessage.Visible = True

        End If

Then on the dashboard_1.aspx page you can populate the control you wish to put welcome in and use: session.item("Username") and it will display the name as you are looking to do.

As far as the web.config those entries seem valid.

Hope this helps!
VBdotnet2005Author Commented:
Hi John,

Actually, wouldn't it need to be on Site.master? Rigth now, I am able to login using my credential(Windows login). However, the top header still say "Login", pleases my attachment.

       <li>Hello,  <asp:LoginName ID="LoginName1" runat="server" /> </a></li>  <<<<< This line <<<<<<<<<<<<<<<<<<<<<<<<

<%@ Master Language="VB" AutoEventWireup="true" CodeFile="Site.master.vb" Inherits="SiteMaster" %>

<!DOCTYPE html>

<html lang="en">
<head runat="server">
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title><%: Page.Title %> - My ASP.NET Application</title>

    <asp:PlaceHolder runat="server">
        <%: Scripts.Render("~/bundles/modernizr") %>
    <webopt:bundlereference runat="server" path="~/Content/css" />
    <link href="~/favicon.ico" rel="shortcut icon" type="image/x-icon" />

    <form runat="server">
        <asp:ScriptManager runat="server">
                <%--To learn more about bundling scripts in ScriptManager see --%>
                <%--Framework Scripts--%>
                <asp:ScriptReference Name="MsAjaxBundle" />
                <asp:ScriptReference Name="jquery" />
                <asp:ScriptReference Name="bootstrap" />
                <asp:ScriptReference Name="respond" />
                <asp:ScriptReference Name="WebForms.js" Assembly="System.Web" Path="~/Scripts/WebForms/WebForms.js" />
                <asp:ScriptReference Name="WebUIValidation.js" Assembly="System.Web" Path="~/Scripts/WebForms/WebUIValidation.js" />
                <asp:ScriptReference Name="MenuStandards.js" Assembly="System.Web" Path="~/Scripts/WebForms/MenuStandards.js" />
                <asp:ScriptReference Name="GridView.js" Assembly="System.Web" Path="~/Scripts/WebForms/GridView.js" />
                <asp:ScriptReference Name="DetailsView.js" Assembly="System.Web" Path="~/Scripts/WebForms/DetailsView.js" />
                <asp:ScriptReference Name="TreeView.js" Assembly="System.Web" Path="~/Scripts/WebForms/TreeView.js" />
                <asp:ScriptReference Name="WebParts.js" Assembly="System.Web" Path="~/Scripts/WebForms/WebParts.js" />
                <asp:ScriptReference Name="Focus.js" Assembly="System.Web" Path="~/Scripts/WebForms/Focus.js" />
                <asp:ScriptReference Name="WebFormsBundle" />
                <%--Site Scripts--%>

        <div class="navbar navbar-inverse navbar-fixed-top">
            <div class="container">
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    <a class="navbar-brand" runat="server" href="~/">Application name</a>
                <div class="navbar-collapse collapse">
                    <ul class="nav navbar-nav">
                        <li><a runat="server" href="~/">Home</a></li>
                        <li><a runat="server" href="~/About">About</a></li>
                        <li><a runat="server" href="~/Contact">Contact</a></li>
                    <asp:LoginView runat="server" ViewStateMode="Disabled">
                            <ul class="nav navbar-nav navbar-right">
                                <li><a runat="server" href="~/Account/Login">Log in</a></li>
                            <ul class="nav navbar-nav navbar-right">
                                <li>Hello,  <asp:LoginName ID="LoginName1" runat="server" /> </a></li>  <<<<< This line <<<<<<<<<<<<<<<<<<<<<<<<
                                    <asp:LoginStatus runat="server" LogoutAction="Redirect" LogoutText="Log off" LogoutPageUrl="~/" OnLoggingOut="Unnamed_LoggingOut" />
        <div class="container body-content">
            <asp:ContentPlaceHolder ID="MainContent" runat="server">
            <hr />
                <p>&copy; <%: DateTime.Now.Year %> - My ASP.NET Application</p>

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John Gates, CISSPSecurity ProfessionalCommented:
Does not need to be on master.  Once you set a session variable you can use it anywhere in the code..

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VBdotnet2005Author Commented:
I would not need this code, correct?  I am just wondering what if a user pass an url direct. Do I need to check on very page if session (or ?) if a user has access to that particular page? Or what kind of security would need to be in place?
I am very confused.

<authentication mode="Forms">
      <forms loginUrl="~/Account/Login.aspx" timeout="2880"/>

      <deny users="?" />

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John Gates, CISSPSecurity ProfessionalCommented:
If you are using a master page I would leave that in.  I would also test exactly what you are presenting.  Try to get around the authentication and see how the app is handling it.  I often do use session state and at the top of every page code behind look for a value or send the user back to the login page.


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VBdotnet2005Author Commented:
Thank you very much John
John Gates, CISSPSecurity ProfessionalCommented:
You're welcome!  Glad to help :-)

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