From a659290bd9ef22012557142deabc7f61628ca209 Mon Sep 17 00:00:00 2001
From: David Fort <contact@hardening-consulting.com>
Date: Thu, 11 May 2023 23:12:35 +0200
Subject: [PATCH] [smartcard] fix smartcard listing with
 /kerberos:pkcs11-module:<path>

When a PKCS11 module was provided, the CSP could not be set by command line
arguments, leading to an error when loading the ncrypt module, and an empty
smartcard list.
---
 libfreerdp/core/smartcardlogon.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libfreerdp/core/smartcardlogon.c b/libfreerdp/core/smartcardlogon.c
index 6cdfb6264..6cd1cc511 100644
--- a/libfreerdp/core/smartcardlogon.c
+++ b/libfreerdp/core/smartcardlogon.c
@@ -603,6 +603,9 @@ static BOOL smartcard_hw_enumerateCerts(const rdpSettings* settings, LPCWSTR csp
 		/* load a unique CSP by pkcs11 module path */
 		LPCSTR paths[] = { Pkcs11Module, NULL };
 
+		if (!csp)
+			csp = MS_SCARD_PROV;
+
 		status = winpr_NCryptOpenStorageProviderEx(&provider, csp, 0, paths);
 		if (status != ERROR_SUCCESS)
 		{