From 27e14a5c5d95dad19981a4073f0193ba63a6c6b3 Mon Sep 17 00:00:00 2001
From: ben <ben@benjf.com>
Date: Fri, 23 Jun 2023 21:52:59 +0000
Subject: [PATCH] Add 'How user is accessing SQL instance.ps1'

---
 How user is accessing SQL instance.ps1 | 102 +++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 How user is accessing SQL instance.ps1

diff --git a/How user is accessing SQL instance.ps1 b/How user is accessing SQL instance.ps1
new file mode 100644
index 0000000..3cad35a
--- /dev/null
+++ b/How user is accessing SQL instance.ps1	
@@ -0,0 +1,102 @@
+cls
+ 
+<#--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==
+*    How is a user accessing a SQL instance?
+*    
+*    This script will show through what login and AD groups a user is accessing
+*    a SQL instance.
+*
+--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==#>
+ 
+<#--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==
+    Enter variables
+--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==#>
+ 
+<# What SQL instance to search on? #>
+$instance_name = "SERVER\INSTANCE";
+ 
+<# Set name to search for as you normally would in dsquery, like  > Lastname, first* #>
+$user_search_term = "lastname, first*";
+ 
+<# Set domain name including back slash, like > DOMAIN\ #>
+$domain_name = 'DOMAINNAME\';
+ 
+ 
+<#--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==#>
+<#--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==#>
+<# EVERYTHING BELOW CAN BE LEFT AS-IS                                                           #>
+<#--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==#>
+<#--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==#>
+ 
+    if (Get-Module -ListAvailable -Name SqlServer) {
+        Write-Host "Module exists"
+    }
+    else {
+            Write-Host "Module does not exist. You need to run:" `t`t "Install-Module -Name SqlServer";
+            return;
+    }
+     
+     
+    $usernames = dsquery user -name $user_search_term -o rdn;
+     
+    if($usernames.Count -gt 1){
+        Write-Host "There are " $usernames.Count " usernames that match your search." -BackgroundColor White -ForegroundColor Red;
+        $usernames;
+        Write-Host "Continue? Y or N" -BackgroundColor White -ForegroundColor Red;
+        $continue = Read-Host;
+     
+        if($continue.ToUpper() -eq 'N'){
+            Write-Host "ABORTING" -ForegroundColor Black -BackgroundColor RED;
+            Break Script;
+        }elseif($continue.ToUpper() -eq 'Y'){
+            Write-Host "CONTINUING" -ForegroundColor Black -BackgroundColor GREEN;
+        }
+    }
+ 
+    $groups = @();
+     
+    foreach($username in $usernames)
+    {
+        $groups += dsquery user -name $username | dsget user -samid;
+        $groups += dsquery user -name $username | dsget user -memberof -expand | dsget group -samid | Sort -Unique ;
+    }  
+   
+    $groups = $groups | Sort -Unique;
+   
+    $groups_trimmed = @();
+    foreach($group in $groups)
+    {
+        # AD group names can have single quotes in them
+        # Escape single quotes with double single quotes
+        $group = $group.replace("'", "''")
+        $groups_trimmed += '''' + $group.Trim() + '''';
+    }    
+ 
+    $groups = $groups_trimmed;
+    $groups_csv = $groups -join ",";
+     
+    <#  SET NOCOUNT ON Removes rows affected statement #>
+    $query = "SET NOCOUNT ON;SELECT [name] FROM sys.server_principals where REPLACE([name], '$domain_name','') IN ($groups_csv)";
+     
+    <#  -h-1 removes headers #>
+    $res = $null;
+    $res = Invoke-Sqlcmd -ServerInstance $instance_name -Database master -Query $query ;
+     
+    $res | Sort-Object;
+
+
+<#ADD COMMAS AND QUOTES AROUND LIST - Run this by highlighting and pressing F8 from the PowerShell ISE
+
+
+$csv_res = "";
+foreach($r in $res.Name){
+    if($csv_res -ne ""){
+        $csv_res += ",";
+    }
+    $csv_res += "'" + $r.Trim() + "'`n";
+}
+
+$csv_res;
+
+
+#>
\ No newline at end of file