mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-09-13 10:52:08 +02:00
apocelipes
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
#include "bootmgr.h"
|
|
#include "efi_helper.h"
|
|
#include "common/io/io.h"
|
|
|
|
#ifdef __OpenBSD__
|
|
#include <dev/efi/efiio.h>
|
|
#else
|
|
#include <sys/efiio.h>
|
|
#endif
|
|
#include <sys/ioctl.h>
|
|
#include <fcntl.h>
|
|
|
|
#ifdef __NetBSD__
|
|
typedef uint16_t efi_char;
|
|
#endif
|
|
|
|
#ifndef EFI_GLOBAL_VARIABLE
|
|
#define EFI_GLOBAL_VARIABLE { 0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, { 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c } }
|
|
#endif
|
|
|
|
const char* ffDetectBootmgr(FFBootmgrResult* result)
|
|
{
|
|
FF_AUTO_CLOSE_FD int efifd = open("/dev/efi", O_RDWR | O_CLOEXEC);
|
|
if (efifd < 0) return "open(/dev/efi) failed";
|
|
|
|
uint8_t buffer[2048];
|
|
struct efi_var_ioc ioc = {
|
|
.vendor = EFI_GLOBAL_VARIABLE,
|
|
.data = buffer,
|
|
};
|
|
|
|
ioc.datasize = sizeof(buffer);
|
|
ioc.name = (efi_char[]){ 'B', 'o', 'o', 't', 'C', 'u', 'r', 'r', 'e', 'n', 't', '\0' };
|
|
ioc.namesize = sizeof("BootCurrent") * 2;
|
|
if (ioctl(efifd, EFIIOC_VAR_GET, &ioc) < 0 || ioc.datasize != 2)
|
|
return "ioctl(EFIIOC_VAR_GET, BootCurrent) failed";
|
|
|
|
result->order = *(uint16_t*)buffer;
|
|
|
|
unsigned char hex[5];
|
|
snprintf((char*) hex, sizeof(hex), "%04X", result->order);
|
|
ioc.datasize = sizeof(buffer);
|
|
ioc.name = (efi_char[]){ 'B', 'o', 'o', 't', hex[0], hex[1], hex[2], hex[3], '\0' };
|
|
ioc.namesize = sizeof("Boot####") * 2;
|
|
if (ioctl(efifd, EFIIOC_VAR_GET, &ioc) < 0 || ioc.datasize == sizeof(buffer))
|
|
return "ioctl(EFIIOC_VAR_GET, Boot####) failed";
|
|
|
|
ffEfiFillLoadOption((FFEfiLoadOption *)buffer, result);
|
|
|
|
ioc.name = (efi_char[]){ 'S', 'e', 'c', 'u', 'r', 'e', 'B', 'o', 'o', 't', '\0' };
|
|
ioc.namesize = sizeof("SecureBoot") * 2;
|
|
ioc.datasize = sizeof(buffer);
|
|
if (ioctl(efifd, EFIIOC_VAR_GET, &ioc) == 0 && ioc.datasize == 1)
|
|
result->secureBoot = !!buffer[0];
|
|
|
|
return NULL;
|
|
}
|