From 1236bcee420da713e373a4a6b8cec279749c3d74 Mon Sep 17 00:00:00 2001
From: Szczepan Zalega <szczepan@nitrokey.com>
Date: Sat, 1 Dec 2018 16:01:54 +0100
Subject: Connect with serial

Signed-off-by: Szczepan Zalega <szczepan@nitrokey.com>
---
 device.cc | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'device.cc')

diff --git a/device.cc b/device.cc
index 80e4b38..ef295e8 100644
--- a/device.cc
+++ b/device.cc
@@ -29,6 +29,7 @@
 #include "libnitrokey/device.h"
 #include "libnitrokey/log.h"
 #include <mutex>
+#include <codecvt>
 #include "DeviceCommunicationExceptions.h"
 #include "device.h"
 
@@ -96,7 +97,13 @@ bool Device::_connect() {
 
 //   hid_init(); // done automatically on hid_open
   if (m_path.empty()){
-    mp_devhandle = hid_open(m_vid, m_pid, nullptr);
+    const wchar_t* serial = nullptr;
+    if (!m_serial.empty()){
+      std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
+      auto wstr = converter.from_bytes(m_serial.c_str());
+      serial = wstr.c_str();
+    }
+    mp_devhandle = hid_open(m_vid, m_pid, serial);
   } else {
     mp_devhandle = hid_open_path(m_path.c_str());
   }
@@ -105,6 +112,10 @@ bool Device::_connect() {
   return success;
 }
 
+void Device::set_serial(const std::string serial){
+  m_serial = serial;
+}
+
 void Device::set_path(const std::string path){
   m_path = path;
 }
-- 
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