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grub2/grub2-secureboot-no-insmod-on-sb.patch
Michael Chang 8ee92f5194 Accepting request 1105405 from home:michael-chang:grub:2.12rc1
- Implement NV index mode for TPM 2.0 key protector
  0001-protectors-Implement-NV-index.patch
- Fall back to passphrase mode when the key protector fails to
  unlock the disk
  0002-cryptodisk-Fallback-to-passphrase.patch
- Wipe out the cached key cleanly
  0003-cryptodisk-wipe-out-the-cached-keys-from-protectors.patch
- Make diskfiler to look up cryptodisk devices first
  0004-diskfilter-look-up-cryptodisk-devices-first.patch

- Version bump to 2.12~rc1
  * Added:
    - grub-2.12~rc1.tar.xz
  * Removed:
    - grub-2.06.tar.xz
  * Patch dropped merged by new version:
    - grub2-GRUB_CMDLINE_LINUX_RECOVERY-for-recovery-mode.patch
    - grub2-s390x-02-kexec-module-added-to-emu.patch
    - grub2-efi-chainloader-root.patch
    - grub2-Fix-incorrect-netmask-on-ppc64.patch
    - 0001-osdep-Introduce-include-grub-osdep-major.h-and-use-i.patch
    - 0002-osdep-linux-hostdisk-Use-stat-instead-of-udevadm-for.patch
    - 0002-net-read-bracketed-ipv6-addrs-and-port-numbers.patch
    - grub2-s390x-10-keep-network-at-kexec.patch
    - 0001-Fix-build-error-in-binutils-2.36.patch
    - 0001-emu-fix-executable-stack-marking.patch
    - 0046-squash-verifiers-Move-verifiers-API-to-kernel-image.patch
    - 0001-30_uefi-firmware-fix-printf-format-with-null-byte.patch
    - 0001-tpm-Pass-unknown-error-as-non-fatal-but-debug-print-.patch
    - 0001-Filter-out-POSIX-locale-for-translation.patch

OBS-URL: https://build.opensuse.org/request/show/1105405
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=458
2023-08-24 03:25:56 +00:00

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From 29c89e27805f7a6a22bce11ed9bb430e19c972a9 Mon Sep 17 00:00:00 2001
From: Colin Watson <cjwatson@ubuntu.com>
Date: Tue, 23 Oct 2012 10:40:49 -0400
Subject: [PATCH 449/482] Don't allow insmod when secure boot is enabled.
References: fate#314485
Patch-Mainline: no
v2:
Use grub_efi_get_secureboot to get secure boot status
Signed-off-by: Michael Chang <mchang@suse.com>
---
grub-core/kern/dl.c | 17 +++++++++++++++++
grub-core/kern/efi/efi.c | 28 ++++++++++++++++++++++++++++
include/grub/efi/efi.h | 1 +
3 files changed, 46 insertions(+)
--- a/grub-core/kern/dl.c
+++ b/grub-core/kern/dl.c
@@ -38,6 +38,10 @@
#define GRUB_MODULES_MACHINE_READONLY
#endif
+#ifdef GRUB_MACHINE_EFI
+#include <grub/efi/sb.h>
+#endif
+
#pragma GCC diagnostic ignored "-Wcast-align"
@@ -708,6 +712,19 @@
grub_boot_time ("Loading module %s", filename);
+#ifdef GRUB_MACHINE_EFI
+ if (grub_efi_get_secureboot () == GRUB_EFI_SECUREBOOT_MODE_ENABLED)
+ {
+#if 0
+ /* This is an error, but grub2-mkconfig still generates a pile of
+ * insmod commands, so emitting it would be mostly just obnoxious. */
+ grub_error (GRUB_ERR_ACCESS_DENIED,
+ "Secure Boot forbids loading module from %s", filename);
+#endif
+ return 0;
+ }
+#endif
+
file = grub_file_open (filename, GRUB_FILE_TYPE_GRUB_MODULE);
if (! file)
return 0;