62e3547e57
- Version bump to 2.04
* removed
- translations-20170427.tar.xz
* grub2.spec
- Make signed grub-tpm.efi specific to x86_64-efi build, the platform
currently shipped with tpm module from upstream codebase
- Add shim_lock to signed grub.efi in x86_64-efi build
- x86_64: linuxefi now depends on linux, both will verify kernel via
shim_lock
- Remove translation tarball and po file hacks as it's been included in
upstream tarball
* rediff
- grub2-setup-try-fs-embed-if-mbr-gap-too-small.patch
- grub2-commands-introduce-read_file-subcommand.patch
- grub2-secureboot-add-linuxefi.patch
- 0001-add-support-for-UEFI-network-protocols.patch
- grub2-efi-HP-workaround.patch
- grub2-secureboot-install-signed-grub.patch
- grub2-linux.patch
- use-grub2-as-a-package-name.patch
- grub2-pass-corret-root-for-nfsroot.patch
- grub2-secureboot-use-linuxefi-on-uefi.patch
- grub2-secureboot-no-insmod-on-sb.patch
- grub2-secureboot-provide-linuxefi-config.patch
- grub2-secureboot-chainloader.patch
- grub2-s390x-01-Changes-made-and-files-added-in-order-to-allow-s390x.patch
- grub2-s390x-02-kexec-module-added-to-emu.patch
- grub2-s390x-04-grub2-install.patch
- grub2-btrfs-01-add-ability-to-boot-from-subvolumes.patch
- grub2-efi-chainloader-root.patch
OBS-URL: https://build.opensuse.org/request/show/741033
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=340
102 lines
3.0 KiB
Diff
102 lines
3.0 KiB
Diff
From 29c89e27805f7a6a22bce11ed9bb430e19c972a9 Mon Sep 17 00:00:00 2001
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From: Colin Watson <cjwatson@ubuntu.com>
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Date: Tue, 23 Oct 2012 10:40:49 -0400
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Subject: [PATCH 449/482] Don't allow insmod when secure boot is enabled.
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References: fate#314485
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Patch-Mainline: no
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Signed-off-by: Michael Chang <mchang@suse.com>
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---
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grub-core/kern/dl.c | 17 +++++++++++++++++
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grub-core/kern/efi/efi.c | 28 ++++++++++++++++++++++++++++
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include/grub/efi/efi.h | 1 +
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3 files changed, 46 insertions(+)
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Index: grub-2.04~rc1/grub-core/kern/dl.c
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===================================================================
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--- grub-2.04~rc1.orig/grub-core/kern/dl.c
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+++ grub-2.04~rc1/grub-core/kern/dl.c
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@@ -38,6 +38,10 @@
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#define GRUB_MODULES_MACHINE_READONLY
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#endif
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+#ifdef GRUB_MACHINE_EFI
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+#include <grub/efi/efi.h>
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+#endif
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+
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#pragma GCC diagnostic ignored "-Wcast-align"
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@@ -688,6 +692,19 @@ grub_dl_load_file (const char *filename)
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grub_boot_time ("Loading module %s", filename);
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+#ifdef GRUB_MACHINE_EFI
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+ if (grub_efi_secure_boot ())
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+ {
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+#if 0
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+ /* This is an error, but grub2-mkconfig still generates a pile of
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+ * insmod commands, so emitting it would be mostly just obnoxious. */
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+ grub_error (GRUB_ERR_ACCESS_DENIED,
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+ "Secure Boot forbids loading module from %s", filename);
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+#endif
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+ return 0;
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+ }
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+#endif
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+
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file = grub_file_open (filename, GRUB_FILE_TYPE_GRUB_MODULE);
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if (! file)
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return 0;
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Index: grub-2.04~rc1/grub-core/kern/efi/efi.c
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===================================================================
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--- grub-2.04~rc1.orig/grub-core/kern/efi/efi.c
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+++ grub-2.04~rc1/grub-core/kern/efi/efi.c
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@@ -273,6 +273,34 @@ grub_efi_get_variable (const char *var,
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return NULL;
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}
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+grub_efi_boolean_t
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+grub_efi_secure_boot (void)
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+{
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+ grub_efi_guid_t efi_var_guid = GRUB_EFI_GLOBAL_VARIABLE_GUID;
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+ grub_size_t datasize;
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+ char *secure_boot = NULL;
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+ char *setup_mode = NULL;
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+ grub_efi_boolean_t ret = 0;
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+
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+ secure_boot = grub_efi_get_variable("SecureBoot", &efi_var_guid, &datasize);
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+
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+ if (datasize != 1 || !secure_boot)
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+ goto out;
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+
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+ setup_mode = grub_efi_get_variable("SetupMode", &efi_var_guid, &datasize);
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+
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+ if (datasize != 1 || !setup_mode)
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+ goto out;
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+
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+ if (*secure_boot && !*setup_mode)
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+ ret = 1;
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+
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+ out:
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+ grub_free (secure_boot);
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+ grub_free (setup_mode);
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+ return ret;
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+}
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+
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#pragma GCC diagnostic ignored "-Wcast-align"
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/* Search the mods section from the PE32/PE32+ image. This code uses
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Index: grub-2.04~rc1/include/grub/efi/efi.h
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===================================================================
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--- grub-2.04~rc1.orig/include/grub/efi/efi.h
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+++ grub-2.04~rc1/include/grub/efi/efi.h
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@@ -85,6 +85,7 @@ EXPORT_FUNC (grub_efi_set_variable) (con
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const grub_efi_guid_t *guid,
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void *data,
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grub_size_t datasize);
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+grub_efi_boolean_t EXPORT_FUNC (grub_efi_secure_boot) (void);
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int
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EXPORT_FUNC (grub_efi_compare_device_paths) (const grub_efi_device_path_t *dp1,
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const grub_efi_device_path_t *dp2);
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