543f21c3be
relevant to the current BLS integration and cause issues in older KIWI versions, which actively force it to be enabled by default (bsc#1233196) * 0002-Add-BLS-support-to-grub-mkconfig.patch * 0003-Add-grub2-switch-to-blscfg.patch * 0007-grub-switch-to-blscfg-adapt-to-openSUSE.patch * 0008-blscfg-reading-bls-fragments-if-boot-present.patch * 0009-10_linux-Some-refinement-for-BLS.patch * 0001-10_linux-Do-not-enable-BLSCFG-on-s390-emu.patch OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=523
89 lines
2.1 KiB
Diff
89 lines
2.1 KiB
Diff
From 2271da7522d8406c528d2a9079d810e140f8041a Mon Sep 17 00:00:00 2001
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From: Michael Chang <mchang@suse.com>
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Date: Fri, 3 Feb 2023 19:40:31 +0800
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Subject: [PATCH 2/2] discard cached key before entering grub shell and editor
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mode
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The cached key is cleared in case of anyone poking around it by means of
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the interactive shell offerings.
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Signed-off-by: Michael Chang <mchang@suse.com>
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---
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grub-core/commands/crypttab.c | 16 ++++++++++++++++
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grub-core/normal/main.c | 2 ++
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grub-core/normal/menu_entry.c | 3 +++
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include/grub/crypttab.h | 2 ++
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4 files changed, 23 insertions(+)
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--- a/grub-core/commands/crypttab.c
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+++ b/grub-core/commands/crypttab.c
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@@ -53,6 +53,22 @@
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return GRUB_ERR_NONE;
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}
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+void
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+grub_initrd_discard_key (void)
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+{
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+ struct grub_key_publisher *cur, *nxt;
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+
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+ FOR_LIST_ELEMENTS_SAFE (cur, nxt, kpuber)
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+ {
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+ grub_list_remove (GRUB_AS_LIST (cur));
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+ grub_memset (cur->key, 0, cur->key_len);
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+ grub_free (cur->name);
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+ grub_free (cur->path);
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+ grub_free (cur->key);
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+ grub_free (cur);
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+ }
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+}
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+
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static grub_err_t
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grub_cmd_crypttab_entry (grub_command_t cmd __attribute__ ((unused)),
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int argc, char **argv)
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--- a/grub-core/normal/main.c
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+++ b/grub-core/normal/main.c
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@@ -37,6 +37,7 @@
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#ifdef GRUB_MACHINE_IEEE1275
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#include <grub/ieee1275/ieee1275.h>
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#endif
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+#include <grub/crypttab.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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@@ -478,6 +479,7 @@
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return;
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}
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+ grub_initrd_discard_key ();
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grub_normal_reader_init (nested);
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while (1)
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--- a/grub-core/normal/menu_entry.c
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+++ b/grub-core/normal/menu_entry.c
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@@ -28,6 +28,7 @@
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#include <grub/i18n.h>
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#include <grub/charset.h>
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#include <grub/safemath.h>
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+#include <grub/crypttab.h>
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enum update_mode
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{
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@@ -1262,6 +1263,8 @@
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return;
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}
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+ grub_initrd_discard_key();
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+
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screen = make_screen (entry);
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if (! screen)
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return;
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--- a/include/grub/crypttab.h
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+++ b/include/grub/crypttab.h
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@@ -19,4 +19,6 @@
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grub_err_t
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grub_initrd_publish_key (const char *uuid, const char *key, grub_size_t key_len, const char *path);
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+void
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+grub_initrd_discard_key (void);
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#endif /* ! GRUB_CRYPTTAB_HEADER */
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