grub2/SOURCES/0131-Measure-the-kernel-commandline.patch
2021-09-09 18:05:08 +00:00

41 lines
1.1 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg59@coreos.com>
Date: Sun, 9 Aug 2015 16:32:29 -0700
Subject: [PATCH] Measure the kernel commandline
Measure the kernel commandline to ensure that it hasn't been modified
---
grub-core/lib/cmdline.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/grub-core/lib/cmdline.c b/grub-core/lib/cmdline.c
index 970ea868c14..6b56304d4a7 100644
--- a/grub-core/lib/cmdline.c
+++ b/grub-core/lib/cmdline.c
@@ -19,6 +19,7 @@
#include <grub/lib/cmdline.h>
#include <grub/misc.h>
+#include <grub/tpm.h>
static int
is_hex(char c)
@@ -79,7 +80,7 @@ int grub_create_loader_cmdline (int argc, char *argv[], char *buf,
{
int i, space;
unsigned int arg_size;
- char *c;
+ char *c, *orig = buf;
for (i = 0; i < argc; i++)
{
@@ -125,5 +126,8 @@ int grub_create_loader_cmdline (int argc, char *argv[], char *buf,
*buf = 0;
+ grub_tpm_measure ((void *)orig, grub_strlen (orig), GRUB_CMDLINE_PCR,
+ "Kernel Commandline");
+
return i;
}