Asp.net - LDAP User Attribute Request Returns Unusual Results?
May 31, 2012
I'm struggling to return user details from AD using LDAP, after i have authenticated that the user exists. I am using a simple auth method as follows:
Function AuthenticateUser(path As String, user As String, pass As String) As Boolean
Dim de As New DirectoryEntry(path, user, pass, AuthenticationTypes.Secure)
Try
Dim ds As DirectorySearcher = New DirectorySearcher(de)
Dim result As SearchResult = ds.FindOne()
[Code]...
the problem is that "distinguishedName" returns "DC=our-domain,DC=co,DC=uk" and "name" returns just "our-domain", not the name of the user that has just been auth'ed
Note: the displayName.text outputs are purely for debug purposes.I have tried various combos of requests but nothing seems to return USER details. ETA: to the security police: this is all within a https connection, I'm not sending passwords about in plain text!
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Apr 10, 2011
2003I've implemented Forms Authentication on one particular subfolder on one of my sites. My code works perfectly on my development machine, but there is a slight problem on the live server.If you browse to the admin subfolder, if you are not authenticated, you will be redirected to the login page. The Master Page footer also contains a link to the login page; when the user logs in, that link is supposed to change to a link to the admin page:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim link As HtmlAnchor = FindControlIterative(Me, "Login")
If HttpContext.Current.Request.LogonUserIdentity.IsAuthenticated Then
[code]....
This works fine on my dev PC, but on the live server, IsAuthenticated() returns False, and thus the Login link is not replaced by the Admin link. However, if browse to the admin subfolder, I can access the content fine; there is no redirection to the login page.
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Oct 4, 2010
If i save a document called sheet.docx i get these results. How come its not displaying just the full path and dcoument? C:Documents and SettingsOwnerDesktopNew FolderSheet.docx as this is the entry i needhere is my code
vb
Private Sub fswDocumentDirectoryMonitor_Changed(ByVal sender As System.Object, ByVal e As System.IO.FileSystemEventArgs) Handles fswDocumentDirectoryMonitor.Changed
[code]....
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Apr 25, 2011
I have a several form elements that I am dynamically creating with javascript when a user changes a number value in a textbox, by filling the innerHTML of a div like so:
dfinnerhtml = dfinnerhtml + "<div class='field'> ";
dfinnerhtml = dfinnerhtml + "<textarea name='textbox1" + suffix + "' type='text' id='textbox1" + suffix + "' value='' rows='4' cols='20' class='field'></textarea> ";
dfinnerhtml = dfinnerhtml + "</div> ";
Then, in the aspx.vb code behind, when the user clicks the Save button, I run through a series of Requests to try and add the values that are in these form elements to a SQL string:
Dim DFTestValue1 As String DFTestValue1 = Request("textbox" & c.ToString)
where c is a loop counter to the # of textboxes created (the input value mentioned above that triggers the create) The problem here is that this code works in Internet Explorer but not in Firefox or Chrome. The Request() value returns null and nothing is saved. I hope I've explained this well enough.
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Feb 15, 2011
I am building a simple intranet site and want to get the employees user name, but when i use Request.LogonUserIdentity.Name , i keep getting the servers credentials and not the users. what am i doing wrong and is there a better way to do this.
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Oct 28, 2010
Why this api in VB.net does not return right results. in my pc the X,Y results are ndefined.
Code:
Imports System.Runtime.InteropServices
Module Module1
[code].....
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Mar 18, 2009
I want to develop a program that uses an online API, with GET and POST requests, and I want to know how to make the requests within the program (without the user seeing a web page), and then download the results into the program so I can parse them
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Oct 24, 2010
I'm trying to set up a database connection between an ASP page running VBScript, and I have found code to do this. However, the 'provider' attribute to the connection does not work. The code is below:
set conn=Server.CreateObject("ADODB.Connection")
<strong>conn.Provider</strong>="Microsoft.Jet.OLEDB.4.0"
conn.Open(Server.MapPath("mIndexDb.xls"))
set rs = Server.CreateObject("ADODB.recordset")
rs.Open "Select * From mIndexDbTable", conn
[Code]...
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Mar 5, 2009
I'm using the MAPI code by Dave Brooks.I am attempting to programatically send out a Crystal Report that is generated.When I run through the code without threading everything runs fine. The problem is when I use threading I get the return error "General MAPI failure [2]".I have never used threading before and understand that there are dangers involved. Can anyone provide any insight into this issue? NOTE: I've removed exception handling to make the code clearer.[code]
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Dec 9, 2011
I have an application that encrypts data which is written in VB. There is another application that uses the same data. Encryption code is the same but it returns different result in some cases. [Code]
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Nov 13, 2011
I've converted an html to XML and now i want to get all the child nodes nested
within a DIV element with a specific attribute (class="itemInfo").
Because the html that the XML is based on changes from time to time i want to use a more "safe" relative root,[code...]
Problem is that i always get 0 nodes ...I'm sure that something is wrong with my Xpath syntax, just don't know what it is. Here is my code'[code...]
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Nov 17, 2011
I have not been able to successfully verify a user with LDAP for an ASP.NET web application. I have done so on our own network against Active Directory, but this is against a server outside of our network that is OID (Oracle Internet Directory).Usually, I use the following code with no problem.
Dim myDirectoryEntry As New System.DirectoryServices.DirectoryEntry("LDAP://1.2.3.4:999/OU=SomeOU,DC=Something,DC=com")
myDirectoryEntry.AuthenticationType = System.DirectoryServices.AuthenticationTypes.Sealing
myDirectoryEntry.AuthenticationType = System.DirectoryServices.AuthenticationTypes.Secure
Try
[Code]...
After that, I haven't been able to find a method to verify a user's log in information with their password and then pull back some information.
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Apr 20, 2012
how can write code that can check if __InstanceCreation query has returned rows or not. I'm using this code to check for the creation of a file
Private Function CheckForFileCreation() As Boolean
Try
Dim query1 As New WqlEventQuery( _
[Code]....
so I need to know if the query returned > 0 rows, if it did then the function will return true, if the query returned 0 rows then the function should return false. Sorry I am a complete noob with WMI and WQL
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Nov 13, 2011
I've converted an html to XML and now i want to get all the child nodes nested within a DIV element with a specific attribute (class="itemInfo").Because the html that the XML is based on changes from time to time i want to use a more "safe" relative root,
(something like : "//div[@class='itemInfo']").Problem is that i always get 0 nodes ...
Dim doc As New System.Xml.XmlDocument()
doc.Load("products.xml")
Dim root As System.Xml.XmlElement = doc.DocumentElement
[code]....
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May 29, 2009
We recently came across some sample code from a vendor for hashing a secret key for a web service call, their sample was in VB.NET which we converted to C#. This caused the hashing to produce different input. It turns out the way they were generating the key for the encryption was by converting a char array to a string and back to a byte array. This led me to the discovery that VB.NET and C#'s default encoder work differently with some characters.
C#:
Console.Write(Encoding.Default.GetBytes(new char[] { (char)149 })[0]);
VB:
Dim b As Char() = {Chr(149)}
Console.WriteLine(Encoding.Default.GetBytes(b)(0))
The C# output is 63, while VB is the correct byte value of 149.if you use any other value, like 145, etc, the output matches.Walking through the debugging, both VB and C# default encoder is SBCSCodePageEncoding.I have corrected the sample code by directly initializing a byte array, which it should have been in the first place, but I still want to know why the encoder, which should not be language specific, appears to be just that.
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May 5, 2009
When I use Request.Form("myInput") and the input field "myInput" is blank, I get a server error.
How do I handle this?
Is there a way to check if "myInput" has not been filled?
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May 17, 2010
I'm trying to get the Alias of the logged in user (Active Directory/LDAP environment/Exchange) .
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Apr 6, 2010
I am trying to perform a query on an Access 2007 Database Using Visual Basic 2008. My database has a table tblStudents contains a field named Gender with Male/Female options. In VB 2008 I set up a form with a Combo box where the user can select either Male or Female to perform a query and navigate through the returned results. When i choose the 1st option in the Combo box the results are returned in the order. However when i choose the 2nd option in the combo box, i get the results in reverse order which i still could not find the reason why it does that. Here is my Code for the query and the Execute Query Button:
Private Sub DisplayGenderData(ByVal gender As String)
connUsers.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:StudentRecords.accdb;Jet OLEDB:Database Password=testing;"
' Open the connection.
[Code].....
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Feb 9, 2012
I am trying to read the HKEY_USERS hive of a remote machine with this Class
Imports System.Management
Imports System.Management.Instrumentation
Public Enum RegHive As UInteger
[Code]....
The value of sSubKeyName is the user's SID + "" + Network (e.g. S-1-5-21-1606980848-2025429265-839522115-560021Network). Now under that key are various subkeys containing mapped drive letters. But it never returns anything.
Strangely, if I use the OpenRemoteBaseKey method it works BUT I don't want to use that because using WMI lets me specify alternate credentials and OpenRemoteBaseKey doesn't
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May 24, 2012
How can I access the current user information via LDAP and VB.Net 2.0*? I found a vbscript that works, but I'd rather have it done in .net
Dim objSysInfo = CreateObject("ADSystemInfo")
Dim strUser = objSysInfo.UserName 'returns current user account
Dim objUser = GetObject("LDAP://" & strUser) 'queries active directory for user account
I'm using the framework 2.0 because it is for more likely in my XP/Vista/7 World to have 2.0 installed than 3.5 or 4.0
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May 17, 2012
I need to authenticate a user against LDAP/AD (windows 2008 r2) so I can leverage the domains password rules etc... I found code that will allow me to validate a users ID and Password entered into a form (using System.DirectoryServices.DirectoryEntry) but my problem is if the user enters an invalid password more that AD is configured to allow, the account gets locked out. Is there anyway around this?
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Sep 2, 2008
I have been trying for days to populate a combobox with user names from our LDAP. I can not seem to get this to work however I am really new to LDAP also. Here is my code...
[Code]...
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May 15, 2012
I am trying to set up a new internal system for my client currently, they insisted on integrating the login with AD, which makes sense, and i have managed that with no problem. However what i also want to do, after authentication, is to store some user details / attributes as session variables. I have the following code to aithenticate the user:
'this function authenticates against AD - very simple and works nicely.
Function AuthenticateUser(path As String, user As String, pass As String) As Boolean
Dim de As New DirectoryEntry(path, user, pass, AuthenticationTypes.Secure)
[code]....
which works nicely, and once the function returns me a True, i set Session("LoggedIn") as True.what i need to do is (hopefully within the above function) save the user's name, and 2 other custom atributes from within the user's AD profile.How would i access those (hypothetically)
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Oct 11, 2011
I received this function to get groups a user is member of.
Private Function GetRoles(ByVal user As String) As String()
Dim propertyCount As Integer
'Initialisation du tableau avec 10 String ""
[code]....
, it displays only one line with a String[] Array value.
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Apr 28, 2006
1> take a request... ie. First name, Last name, or login ID and Search AD Path can be hard coded so entire forest is not searched.
2> List all entries found
3>once the correct user is selected I need to pull First, last, middle name and , Email , Phone number , @ and GUID for that user.
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Mar 30, 2012
Ok, I have this code... and it works. If I want to add it to say... a checkbox or something of the sort.
Public Sub groupaddarray()
Try
'Alpharetta Staff
If Form1.CheckBox23.Checked = True Then
Dim grp As IADsGroup
[Code]...
My question... how can I double click the listbox, and then it keeps adding these groups to say... another text box, and when I click add groups it will read the textbox, and add multiple groups instead of just the one?
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May 4, 2006
I'm trying to obtain the Terminal Services Profile Path for a user using VB.Net and the System.DirectoryServices.DirectorySearcher. I am able to get the user object's first name, last name, city, state, zip, etc. However, there is one property that eludes me. I cannot manage to find a way to get the terminalservicesprofilepath property.This is how I did it in VB6 and it worked perfect:
visual basic code:
Dim TSPath as string
Dim FirstName as string
[code].....
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Feb 8, 2012
I'm working on upgrading a solution in VB.NET that is heavily based on Active Directory. As of now, I'm trying to add a PC restriction to a new AD User upon user creation. Essentially, I need to update the Logon To attribute to include 1 or more PCs, how do I go about doing this? I learned that I am interested in the IADsUser property "LoginWorkstations" url...). As of now, I have code that can fetch this attribute from any AD user, but I cannot set it. [code]I've tried testing this approach with a different attribute and it works just fine. Not much out there on Google either unfortunately.
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Jan 23, 2010
I am using ASP.NET MVC to build a site. I am using VB as programming language.I have couple of questions.
1 I have created a role "Manager". How Do I check if a user belongs to this particular role?
For now I am using If My.User.IsInRole("Manager") Then 'Direct to a view Else 'Direct to another view End If Is this the right way? 2 How to use the Authorize attribute to limit access to a Function?
I know in C# it goes [Authorize (Roles ="Manager")] but not sure in VB. Also can I define property to redirect a user who does not have "Manager" role to a particular view when trying to access this function .
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Apr 2, 2009
So - I have some text in an RTF control. I want the user to be able to highlight text and apply an attribute. The following code is placed into a button called BOLD and seems to work nicely:
If rtfText.SelectedText.Length > 0 Then
rtfText.SelectionFont = New Font(rtfText.SelectionFont, FontStyle.Bold)
End If
The code above will turn the selected text bold.
But then the user selects the Same text and with the following code placed into a button called ITALIC it removes the bold attribute and replaces it with italics.
If rtfText.SelectedText.Length > 0 Then
rtfText.SelectionFont = New Font(rtfText.SelectionFont, FontStyle.Italic)
End If
Since the users actions are separate - I can not know that they want BOLD and ITALIC, so how do I make sure I keep the existing attribute on the selected text (which, by the way could be part bold and part not-bold) and add italic?
Somehow I need to add the italic attribute to the selected text, not simply replace all attributes with italic.
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