From 0801e22dce0f51abf0a368e92d649b2bd64602d1 Mon Sep 17 00:00:00 2001
From: Carter Li <zhangsongcui3371@sina.com>
Date: Thu, 29 Dec 2022 01:24:34 +0800
Subject: [PATCH] Bios: support macOS

---
 CHANGELOG.md                    |  1 +
 CMakeLists.txt                  |  2 +-
 src/detection/bios/bios_apple.c | 70 +++++++++++++++++++++++++++++++++
 3 files changed, 72 insertions(+), 1 deletion(-)
 create mode 100644 src/detection/bios/bios_apple.c

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e77568852..6d6c7a710 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@ Features:
 * Supports GPU detection on Android
 * Supports Kitty Terminal terminal font
 * Supports bar output for percentage values
+* Supports Bios module on macOS
 * Supports eopkg package manager detection
 * Supports iTerm image logo protocol
 * Supports image logo printing on macOS
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7f65fca70..4d654b9d8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -420,7 +420,7 @@ elseif(APPLE)
         src/common/processing_linux.c
         src/common/sysctl.c
         src/detection/battery/battery_apple.c
-        src/detection/bios/bios_nosupport.c
+        src/detection/bios/bios_apple.c
         src/detection/board/board_nosupport.c
         src/detection/chassis/chassis_nosupport.c
         src/detection/cpu/cpu_apple.c
diff --git a/src/detection/bios/bios_apple.c b/src/detection/bios/bios_apple.c
new file mode 100644
index 000000000..9d7ff75cc
--- /dev/null
+++ b/src/detection/bios/bios_apple.c
@@ -0,0 +1,70 @@
+#include "bios.h"
+#include "util/apple/cf_helpers.h"
+
+#include <IOKit/IOKitLib.h>
+
+void ffDetectBios(FFBiosResult* bios)
+{
+    ffStrbufInit(&bios->error);
+    ffStrbufInit(&bios->biosDate);
+    ffStrbufInit(&bios->biosRelease);
+    ffStrbufInit(&bios->biosVendor);
+    ffStrbufInit(&bios->biosVersion);
+
+    io_registry_entry_t registryEntry;
+
+    #ifndef __aarch64__
+
+    //https://github.com/osquery/osquery/blob/master/osquery/tables/system/darwin/smbios_tables.cpp
+    //For Intel
+    if((registryEntry = IORegistryEntryFromPath(MACH_PORT_NULL, "IODeviceTree:/rom")))
+    {
+        CFMutableDictionaryRef properties;
+        if(IORegistryEntryCreateCFProperties(registryEntry, &properties, kCFAllocatorDefault, kNilOptions) != kIOReturnSuccess)
+        {
+            IOObjectRelease(registryEntry);
+            ffStrbufAppendS(&bios->error, "IORegistryEntryCreateCFProperties(registryEntry) failed");
+            return;
+        }
+
+        ffCfDictGetString(properties, CFSTR("vendor"), &bios->biosVendor);
+        ffCfDictGetString(properties, CFSTR("version"), &bios->biosVersion);
+        ffCfDictGetString(properties, CFSTR("release-date"), &bios->biosDate);
+        if(!ffStrbufContainC(&bios->biosDate, '-'))
+            ffStrbufAppendS(&bios->biosRelease, "Efi-");
+        ffStrbufAppend(&bios->biosRelease, &bios->biosVersion);
+
+        CFRelease(properties);
+        IOObjectRelease(registryEntry);
+        return;
+    }
+
+    #else
+
+    //For arm64
+    if((registryEntry = IORegistryEntryFromPath(MACH_PORT_NULL, "IODeviceTree:/")))
+    {
+        CFMutableDictionaryRef properties;
+        if(IORegistryEntryCreateCFProperties(registryEntry, &properties, kCFAllocatorDefault, kNilOptions) == kIOReturnSuccess)
+        {
+            ffCfDictGetString(properties, CFSTR("manufacturer"), &bios->biosVendor);
+            CFRelease(properties);
+        }
+        IOObjectRelease(registryEntry);
+    }
+
+    if((registryEntry = IORegistryEntryFromPath(MACH_PORT_NULL, "IODeviceTree:/chosen")))
+    {
+        CFMutableDictionaryRef properties;
+        if(IORegistryEntryCreateCFProperties(registryEntry, &properties, kCFAllocatorDefault, kNilOptions) == kIOReturnSuccess)
+        {
+            ffCfDictGetString(properties, CFSTR("system-firmware-version"), &bios->biosRelease);
+            ffStrbufAppend(&bios->biosVersion, &bios->biosRelease);
+            ffStrbufSubstrAfterFirstC(&bios->biosVersion, '-');
+            CFRelease(properties);
+        }
+        IOObjectRelease(registryEntry);
+    }
+
+    #endif
+}