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#include "bios.h"
#include "common/apple/cf_helpers.h"
#include <IOKit/IOKitLib.h>
const char* ffDetectBios(FFBiosResult* bios) {
#ifndef __aarch64__
// https://github.com/osquery/osquery/blob/master/osquery/tables/system/darwin/smbios_tables.cpp
// For Intel
FF_IOOBJECT_AUTO_RELEASE io_registry_entry_t deviceRom = IORegistryEntryFromPath(MACH_PORT_NULL, "IODeviceTree:/rom");
if (!deviceRom) {
return "IODeviceTree:/rom not found";
}
FF_CFTYPE_AUTO_RELEASE CFMutableDictionaryRef deviceRomProps = NULL;
if (IORegistryEntryCreateCFProperties(deviceRom, &deviceRomProps, kCFAllocatorDefault, kNilOptions) != kIOReturnSuccess) {
return "IORegistryEntryCreateCFProperties(deviceRom) failed";
}
ffCfDictGetString(deviceRomProps, CFSTR("vendor"), &bios->vendor);
ffCfDictGetString(deviceRomProps, CFSTR("version"), &bios->version);
ffCfDictGetString(deviceRomProps, CFSTR("release-date"), &bios->date);
ffStrbufSetStatic(&bios->type, "UEFI");
#else
// For arm64
FF_IOOBJECT_AUTO_RELEASE io_registry_entry_t device = IORegistryEntryFromPath(MACH_PORT_NULL, "IODeviceTree:/");
if (!device) {
return "IODeviceTree:/ not found";
}
FF_CFTYPE_AUTO_RELEASE CFDataRef manufacturer = IORegistryEntryCreateCFProperty(device, CFSTR("manufacturer"), kCFAllocatorDefault, kNilOptions);
ffCfStrGetString(manufacturer, &bios->vendor);
FF_CFTYPE_AUTO_RELEASE CFDataRef timeStamp = IORegistryEntryCreateCFProperty(device, CFSTR("time-stamp"), kCFAllocatorDefault, kNilOptions);
ffCfStrGetString(timeStamp, &bios->date);
FF_IOOBJECT_AUTO_RELEASE io_registry_entry_t deviceChosen = IORegistryEntryFromPath(MACH_PORT_NULL, "IODeviceTree:/chosen");
if (deviceChosen) {
FF_CFTYPE_AUTO_RELEASE CFStringRef tag = IORegistryEntryCreateCFProperty(deviceChosen, CFSTR("iboot-stage-one-tag"), kCFAllocatorDefault, kNilOptions)
?: IORegistryEntryCreateCFProperty(deviceChosen, CFSTR("system-firmware-version"), kCFAllocatorDefault, kNilOptions);
if (tag) {
ffCfStrGetString(tag, &bios->version);
uint32_t index = ffStrbufFirstIndexC(&bios->version, '-');
if (index != bios->version.length) {
ffStrbufAppendNS(&bios->type, index, bios->version.chars);
ffStrbufRemoveSubstr(&bios->version, 0, index + 1);
}
}
}
if (!bios->type.length) {
ffStrbufSetStatic(&bios->type, "iBoot");
}
#endif
return NULL;
}
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