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Measure kernel + initrd

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Measure the kernel and initrd when loaded on UEFI systems
This commit is contained in:
Matthew Garrett 2015-07-16 15:22:34 -07:00
parent 858f763466
commit f22ee4487c
1 changed files with 4 additions and 0 deletions
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4
grub-core/loader/i386/efi/linux.c
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@ -26,6 +26,7 @@
#include <grub/i18n.h>
#include <grub/lib/cmdline.h>
#include <grub/efi/efi.h>
#include <grub/tpm.h>
#include "../verity-hash.h"
@ -168,6 +169,7 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
argv[i]);
goto fail;
}
grub_tpm_measure (ptr, cursize, GRUB_INITRD_PCR, "UEFI Linux initrd");
ptr += cursize;
grub_memset (ptr, 0, ALIGN_UP_OVERHEAD (cursize, 4));
ptr += ALIGN_UP_OVERHEAD (cursize, 4);
@ -223,6 +225,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
goto fail;
}
grub_tpm_measure (kernel, filelen, GRUB_KERNEL_PCR, "UEFI Linux kernel");
if (! grub_linuxefi_secure_validate (kernel, filelen))
{
grub_error (GRUB_ERR_INVALID_COMMAND, N_("%s has invalid signature"), argv[0]);