2019-08-01 01:02:52 +00:00
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Matthew Garrett <mjg59@coreos.com>
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Date: Sun, 9 Aug 2015 16:28:29 -0700
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Subject: [PATCH] Measure kernel and initrd on BIOS systems
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Measure the kernel and initrd when loaded on BIOS systems
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---
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grub-core/loader/i386/linux.c | 5 +++++
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grub-core/loader/i386/pc/linux.c | 3 +++
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grub-core/loader/linux.c | 2 ++
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3 files changed, 10 insertions(+)
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diff --git a/grub-core/loader/i386/linux.c b/grub-core/loader/i386/linux.c
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2022-03-29 18:03:52 +00:00
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index c84747ea8..94526966e 100644
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2019-08-01 01:02:52 +00:00
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--- a/grub-core/loader/i386/linux.c
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+++ b/grub-core/loader/i386/linux.c
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@@ -36,6 +36,7 @@
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#include <grub/lib/cmdline.h>
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#include <grub/linux.h>
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#include <grub/efi/sb.h>
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+#include <grub/tpm.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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@@ -724,7 +725,10 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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goto fail;
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}
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+ grub_tpm_measure (kernel, len, GRUB_KERNEL_PCR, "Linux Kernel");
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+
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grub_memcpy (&lh, kernel, sizeof (lh));
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+
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kernel_offset = sizeof (lh);
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if (lh.boot_flag != grub_cpu_to_le16_compile_time (0xaa55))
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@@ -1038,6 +1042,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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len = prot_file_size;
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grub_memcpy (prot_mode_mem, kernel + kernel_offset, len);
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+ kernel_offset += len;
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if (grub_errno == GRUB_ERR_NONE)
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{
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diff --git a/grub-core/loader/i386/pc/linux.c b/grub-core/loader/i386/pc/linux.c
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2022-03-29 18:03:52 +00:00
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index 783a3cd93..155442307 100644
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2019-08-01 01:02:52 +00:00
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--- a/grub-core/loader/i386/pc/linux.c
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+++ b/grub-core/loader/i386/pc/linux.c
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@@ -36,6 +36,7 @@
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#include <grub/lib/cmdline.h>
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#include <grub/linux.h>
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#include <grub/efi/sb.h>
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+#include <grub/tpm.h>
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GRUB_MOD_LICENSE ("GPLv3+");
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@@ -161,6 +162,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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goto fail;
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}
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+ grub_tpm_measure (kernel, len, GRUB_KERNEL_PCR, "BIOS Linux Kernel");
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+
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grub_memcpy (&lh, kernel, sizeof (lh));
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kernel_offset = sizeof (lh);
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diff --git a/grub-core/loader/linux.c b/grub-core/loader/linux.c
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2022-03-29 18:03:52 +00:00
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index be6fa0f4d..3005c0d19 100644
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2019-08-01 01:02:52 +00:00
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--- a/grub-core/loader/linux.c
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+++ b/grub-core/loader/linux.c
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@@ -4,6 +4,7 @@
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#include <grub/misc.h>
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#include <grub/file.h>
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#include <grub/mm.h>
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+#include <grub/tpm.h>
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struct newc_head
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{
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@@ -288,6 +289,7 @@ grub_initrd_load (struct grub_linux_initrd_context *initrd_ctx,
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grub_initrd_close (initrd_ctx);
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return grub_errno;
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}
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+ grub_tpm_measure (ptr, cursize, GRUB_INITRD_PCR, "Linux Initrd");
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ptr += cursize;
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}
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if (newc)
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