chore: add termsrv_rdp_path

Author: nglehuy

windows/termsrv_rdp_patch.ps1

@@ -0,0 +1,39 @@
+# PowerShell script used to patch termsrv.dll file and allow multiple RDP connections on Windows 10 (1809 and never) and Windows 11 
+# Details here http://woshub.com/how-to-allow-multiple-rdp-sessions-in-windows-10/
+
+
+# Stop RDP service, make a backup of the termsrv.dllfile and change the permissions 
+Stop-Service UmRdpService -Force
+Stop-Service TermService -Force
+$termsrv_dll_acl = Get-Acl c:\windows\system32\termsrv.dll
+Copy-Item c:\windows\system32\termsrv.dll c:\windows\system32\termsrv.dll.copy
+takeown /f c:\windows\system32\termsrv.dll
+$new_termsrv_dll_owner = (Get-Acl c:\windows\system32\termsrv.dll).owner
+cmd /c "icacls c:\windows\system32\termsrv.dll /Grant $($new_termsrv_dll_owner):F /C"
+# search for a pattern in termsrv.dll file 
+$dll_as_bytes = Get-Content c:\windows\system32\termsrv.dll -Raw -Encoding byte
+$dll_as_text = $dll_as_bytes.forEach('ToString', 'X2') -join ' '
+$patternregex = ([regex]'39 81 3C 06 00 00(\s\S\S){6}')
+$patch = 'B8 00 01 00 00 89 81 38 06 00 00 90'
+$checkPattern=Select-String -Pattern $patternregex -InputObject $dll_as_text
+If ($checkPattern -ne $null) {
+    $dll_as_text_replaced = $dll_as_text -replace $patternregex, $patch
+}
+Elseif (Select-String -Pattern $patch -InputObject $dll_as_text) {
+    Write-Output 'The termsrv.dll file is already patched, exiting'
+    Exit
+}
+else { 
+    Write-Output "Pattern not found "
+}
+# patching termsrv.dll
+[byte[]] $dll_as_bytes_replaced = -split $dll_as_text_replaced -replace '^', '0x'
+Set-Content c:\windows\system32\termsrv.dll.patched -Encoding Byte -Value $dll_as_bytes_replaced
+# comparing two files 
+fc.exe /b c:\windows\system32\termsrv.dll.patched c:\windows\system32\termsrv.dll
+# replacing the original termsrv.dll file 
+Copy-Item c:\windows\system32\termsrv.dll.patched c:\windows\system32\termsrv.dll -Force
+Set-Acl c:\windows\system32\termsrv.dll $termsrv_dll_acl
+Start-Service UmRdpService
+Start-Service TermService
+