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Implement rebooting to UEFI setup

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This commit is contained in:
Lauri Kenttä
2017-09-30 21:18:21 +03:00
parent b469b600ba
commit fa0f846f79
4 changed files with 196 additions and 20 deletions
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37
src/Setup.cs
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@@ -1,6 +1,5 @@
using System;
using System.IO;
using Microsoft.Win32;
/**
* HackBGRT Setup.
@@ -203,7 +202,7 @@ public class Setup: SetupHelper {
* Check Secure Boot status and inform the user.
*/
public static void HandleSecureBoot() {
int secureBoot = EfiGetSecureBootStatus();
int secureBoot = Efi.GetSecureBootStatus();
if (secureBoot == 0) {
Console.WriteLine("Secure Boot is disabled, good!");
} else {
@@ -215,12 +214,29 @@ public class Setup: SetupHelper {
Console.WriteLine("It's very important to disable Secure Boot before installing.");
Console.WriteLine("Otherwise your machine may become unbootable.");
Console.WriteLine("Choose action (press a key):");
bool canBootToFW = Efi.CanBootToFW();
if (canBootToFW) {
Console.WriteLine(" S = Enter EFI Setup to disable Secure Boot manually; requires reboot!");
}
Console.WriteLine(" I = Install anyway; THIS MAY BE DANGEROUS!");
Console.WriteLine(" C = Cancel");
var k = Console.ReadKey().Key;
Console.WriteLine();
if (k == ConsoleKey.I) {
Console.WriteLine("Continuing. THIS MAY BE DANGEROUS!");
} else if (canBootToFW && k == ConsoleKey.S) {
Efi.SetBootToFW();
Console.WriteLine();
Console.WriteLine("Reboot your computer. You will then automatically enter the UEFI setup.");
Console.WriteLine("Find and disable Secure Boot, then save and exit, then run this installer.");
Console.WriteLine("Press R to reboot now, other key to exit.");
var k2 = Console.ReadKey().Key;
Console.WriteLine();
if (k2 == ConsoleKey.R) {
StartProcess("shutdown", "-f -r -t 1");
}
Environment.Exit(0);
throw new ExitSetup(0);
} else {
Console.WriteLine("Aborting because of Secure Boot.");
throw new ExitSetup(1);
@@ -228,23 +244,6 @@ public class Setup: SetupHelper {
}
}
/**
* Check if Secure Boot is enabled.
*
* @return 0 for disabled, 1 for enabled, other for unknown.
*/
public static int EfiGetSecureBootStatus() {
try {
return (int) Registry.GetValue(
"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\SecureBoot\\State",
"UEFISecureBootEnabled",
-1
);
} catch (Exception) {
return -1;
}
}
protected string Source, Destination, Config, Splash;
protected BootLoaderInfo MsLoader, MsLoaderBackup, NewLoader, NewLoaderSource;
protected string EfiArch;