From 2509cc5e0bf4d9c4bbd6798f71886e34cc8476b2 Mon Sep 17 00:00:00 2001
From: mac builder <mac at github.com>
Date: Tue, 13 Aug 2019 20:01:42 +0200
Subject: [PATCH] get mac serial for hdid

---
 src/hardware_functions.cpp | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/hardware_functions.cpp b/src/hardware_functions.cpp
index 5d6b6ff..bd6a6c3 100644
--- a/src/hardware_functions.cpp
+++ b/src/hardware_functions.cpp
@@ -50,10 +50,31 @@ QString get_hdid()
 }
 
 #elif defined __APPLE__
+#include <CoreFoundation/CoreFoundation.h>
+#include <IOKit/IOKitLib.h>
+
 QString get_hdid()
 {
-  //hdids are broken at this point anyways
-  return "just a mac passing by";
+    CFStringRef serial;
+        char buffer[64] = {0};
+        QString hdid;
+        io_service_t platformExpert = IOServiceGetMatchingService(kIOMasterPortDefault,
+                                                              IOServiceMatching("IOPlatformExpertDevice"));
+        if (platformExpert)
+        {
+            CFTypeRef serialNumberAsCFString = IORegistryEntryCreateCFProperty(platformExpert,
+                                                                           CFSTR(kIOPlatformSerialNumberKey),
+                                                                           kCFAllocatorDefault, 0);
+            if (serialNumberAsCFString) {
+                serial = (CFStringRef)serialNumberAsCFString;
+            }
+            if (CFStringGetCString(serial, buffer, 64, kCFStringEncodingUTF8)) {
+                hdid = buffer;
+            }
+
+            IOObjectRelease(platformExpert);
+        }
+        return hdid;
 }
 
 #else