mirror of
https://src.fedoraproject.org/rpms/grub2.git
synced 2024-11-28 07:44:52 +00:00
5e72956199
This reverts commit 93004a8494,
because it broke Rawhide. It also tries to fixes BLS ostree
detection to work in chroots (e.g. during installation) by also
checking for /ostree/repo.
138 lines
4 KiB
Diff
138 lines
4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Dimitri John Ledkov <xnox@ubuntu.com>
|
|
Date: Fri, 11 Jun 2021 13:51:20 +0200
|
|
Subject: [PATCH] Allow chainloading EFI apps from loop mounts.
|
|
|
|
Signed-off-by: Dimitri John Ledkov <Dimitri.ledkov@canonical.com>
|
|
Signed-off-by: Robbie Harwood <rharwood@redhat.com>
|
|
---
|
|
grub-core/disk/loopback.c | 9 +--------
|
|
grub-core/loader/efi/chainloader.c | 23 +++++++++++++++++++++++
|
|
include/grub/loopback.h | 30 ++++++++++++++++++++++++++++++
|
|
3 files changed, 54 insertions(+), 8 deletions(-)
|
|
create mode 100644 include/grub/loopback.h
|
|
|
|
diff --git a/grub-core/disk/loopback.c b/grub-core/disk/loopback.c
|
|
index 41bebd14fe3..99f47924ec2 100644
|
|
--- a/grub-core/disk/loopback.c
|
|
+++ b/grub-core/disk/loopback.c
|
|
@@ -21,20 +21,13 @@
|
|
#include <grub/misc.h>
|
|
#include <grub/file.h>
|
|
#include <grub/disk.h>
|
|
+#include <grub/loopback.h>
|
|
#include <grub/mm.h>
|
|
#include <grub/extcmd.h>
|
|
#include <grub/i18n.h>
|
|
|
|
GRUB_MOD_LICENSE ("GPLv3+");
|
|
|
|
-struct grub_loopback
|
|
-{
|
|
- char *devname;
|
|
- grub_file_t file;
|
|
- struct grub_loopback *next;
|
|
- unsigned long id;
|
|
-};
|
|
-
|
|
static struct grub_loopback *loopback_list;
|
|
static unsigned long last_id = 0;
|
|
|
|
diff --git a/grub-core/loader/efi/chainloader.c b/grub-core/loader/efi/chainloader.c
|
|
index d41e8ea14a8..3af6b122926 100644
|
|
--- a/grub-core/loader/efi/chainloader.c
|
|
+++ b/grub-core/loader/efi/chainloader.c
|
|
@@ -24,6 +24,7 @@
|
|
#include <grub/err.h>
|
|
#include <grub/device.h>
|
|
#include <grub/disk.h>
|
|
+#include <grub/loopback.h>
|
|
#include <grub/misc.h>
|
|
#include <grub/charset.h>
|
|
#include <grub/mm.h>
|
|
@@ -901,6 +902,7 @@ grub_cmd_chainloader (grub_command_t cmd __attribute__ ((unused)),
|
|
grub_efi_status_t status;
|
|
grub_efi_boot_services_t *b;
|
|
grub_device_t dev = 0;
|
|
+ grub_device_t orig_dev = 0;
|
|
grub_efi_device_path_t *dp = 0;
|
|
char *filename;
|
|
void *boot_image = 0;
|
|
@@ -958,6 +960,15 @@ grub_cmd_chainloader (grub_command_t cmd __attribute__ ((unused)),
|
|
if (! dev)
|
|
goto fail;
|
|
|
|
+ /* if device is loopback, use underlying dev */
|
|
+ if (dev->disk->dev->id == GRUB_DISK_DEVICE_LOOPBACK_ID)
|
|
+ {
|
|
+ struct grub_loopback *d;
|
|
+ orig_dev = dev;
|
|
+ d = dev->disk->data;
|
|
+ dev = d->file->device;
|
|
+ }
|
|
+
|
|
if (dev->disk)
|
|
dev_handle = grub_efidisk_get_device_handle (dev->disk);
|
|
else if (dev->net && dev->net->server)
|
|
@@ -1065,6 +1076,12 @@ grub_cmd_chainloader (grub_command_t cmd __attribute__ ((unused)),
|
|
}
|
|
#endif
|
|
|
|
+ if (orig_dev)
|
|
+ {
|
|
+ dev = orig_dev;
|
|
+ orig_dev = 0;
|
|
+ }
|
|
+
|
|
rc = grub_linuxefi_secure_validate((void *)(unsigned long)address, fsize);
|
|
grub_dprintf ("chain", "linuxefi_secure_validate: %d\n", rc);
|
|
if (rc > 0)
|
|
@@ -1087,6 +1104,12 @@ grub_cmd_chainloader (grub_command_t cmd __attribute__ ((unused)),
|
|
// -1 fall-through to fail
|
|
|
|
fail:
|
|
+ if (orig_dev)
|
|
+ {
|
|
+ dev = orig_dev;
|
|
+ orig_dev = 0;
|
|
+ }
|
|
+
|
|
if (dev)
|
|
grub_device_close (dev);
|
|
|
|
diff --git a/include/grub/loopback.h b/include/grub/loopback.h
|
|
new file mode 100644
|
|
index 00000000000..3b9a9e32e80
|
|
--- /dev/null
|
|
+++ b/include/grub/loopback.h
|
|
@@ -0,0 +1,30 @@
|
|
+/*
|
|
+ * GRUB -- GRand Unified Bootloader
|
|
+ * Copyright (C) 2019 Free Software Foundation, Inc.
|
|
+ *
|
|
+ * GRUB is free software: you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation, either version 3 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * GRUB is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
|
+ */
|
|
+
|
|
+#ifndef GRUB_LOOPBACK_HEADER
|
|
+#define GRUB_LOOPBACK_HEADER 1
|
|
+
|
|
+struct grub_loopback
|
|
+{
|
|
+ char *devname;
|
|
+ grub_file_t file;
|
|
+ struct grub_loopback *next;
|
|
+ unsigned long id;
|
|
+};
|
|
+
|
|
+#endif /* ! GRUB_LOOPBACK_HEADER */
|