97 lines
4.8 KiB
Diff
97 lines
4.8 KiB
Diff
From 16b3bb1a1bb8a0a42ad6eb56fd33dcb800c8af04 Mon Sep 17 00:00:00 2001
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From: Luca Boccassi <bluca@debian.org>
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Date: Thu, 29 Jun 2023 23:41:48 +0100
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Subject: [PATCH] boot: measure .sbat section
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We are now merging .sbat sections from sd-stub and kernel image, so
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measure it in PCR11.
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(cherry picked from commit d5f91cf79361cab58e32bf7b76c41ba244add75f)
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Resolves: RHEL-13199
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---
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man/systemd-measure.xml | 8 +++++---
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src/boot/measure.c | 3 +++
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src/fundamental/tpm-pcr.c | 1 +
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src/fundamental/tpm-pcr.h | 1 +
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4 files changed, 10 insertions(+), 3 deletions(-)
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diff --git a/man/systemd-measure.xml b/man/systemd-measure.xml
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index 46fc979654..e08dbcdac9 100644
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--- a/man/systemd-measure.xml
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+++ b/man/systemd-measure.xml
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@@ -66,9 +66,10 @@
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<listitem><para>Pre-calculate the expected values seen in PCR register 11 after boot-up of a unified
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kernel image consisting of the components specified with <option>--linux=</option>,
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<option>--osrel=</option>, <option>--cmdline=</option>, <option>--initrd=</option>,
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- <option>--splash=</option>, <option>--dtb=</option>, <option>--pcrpkey=</option> see below. Only
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- <option>--linux=</option> is mandatory. (Alternatively, specify <option>--current</option> to use the
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- current values of PCR register 11 instead.)</para></listitem>
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+ <option>--splash=</option>, <option>--dtb=</option>, <option>--sbat=</option>,
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+ <option>--pcrpkey=</option> see below. Only <option>--linux=</option> is mandatory. (Alternatively,
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+ specify <option>--current</option> to use the current values of PCR register 11 instead.)</para>
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+ </listitem>
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</varlistentry>
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<varlistentry>
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@@ -104,6 +105,7 @@
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<term><option>--initrd=PATH</option></term>
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<term><option>--splash=PATH</option></term>
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<term><option>--dtb=PATH</option></term>
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+ <term><option>--sbat=PATH</option></term>
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<term><option>--pcrpkey=PATH</option></term>
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<listitem><para>When used with the <command>calculate</command> or <command>sign</command> verb,
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diff --git a/src/boot/measure.c b/src/boot/measure.c
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index 67ab84753e..84a7c357a4 100644
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--- a/src/boot/measure.c
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+++ b/src/boot/measure.c
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@@ -80,6 +80,7 @@ static int help(int argc, char *argv[], void *userdata) {
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" --splash=PATH Path to splash bitmap file %7$s .splash\n"
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" --dtb=PATH Path to Devicetree file %7$s .dtb\n"
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" --uname=PATH Path to 'uname -r' file %7$s .uname\n"
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+ " --sbat=PATH Path to SBAT file %7$s .sbat\n"
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" --pcrpkey=PATH Path to public key for PCR signatures %7$s .pcrpkey\n"
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"\nSee the %2$s for details.\n",
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program_invocation_short_name,
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@@ -120,6 +121,7 @@ static int parse_argv(int argc, char *argv[]) {
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ARG_SPLASH,
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ARG_DTB,
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ARG_UNAME,
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+ ARG_SBAT,
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_ARG_PCRSIG, /* the .pcrsig section is not input for signing, hence not actually an argument here */
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_ARG_SECTION_LAST,
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ARG_PCRPKEY = _ARG_SECTION_LAST,
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@@ -142,6 +144,7 @@ static int parse_argv(int argc, char *argv[]) {
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{ "splash", required_argument, NULL, ARG_SPLASH },
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{ "dtb", required_argument, NULL, ARG_DTB },
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{ "uname", required_argument, NULL, ARG_UNAME },
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+ { "sbat", required_argument, NULL, ARG_SBAT },
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{ "pcrpkey", required_argument, NULL, ARG_PCRPKEY },
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{ "current", no_argument, NULL, 'c' },
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{ "bank", required_argument, NULL, ARG_BANK },
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diff --git a/src/fundamental/tpm-pcr.c b/src/fundamental/tpm-pcr.c
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index 0685d37b05..2f7e9b428d 100644
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--- a/src/fundamental/tpm-pcr.c
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+++ b/src/fundamental/tpm-pcr.c
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@@ -12,6 +12,7 @@ const char* const unified_sections[_UNIFIED_SECTION_MAX + 1] = {
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[UNIFIED_SECTION_SPLASH] = ".splash",
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[UNIFIED_SECTION_DTB] = ".dtb",
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[UNIFIED_SECTION_UNAME] = ".uname",
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+ [UNIFIED_SECTION_SBAT] = ".sbat",
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[UNIFIED_SECTION_PCRSIG] = ".pcrsig",
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[UNIFIED_SECTION_PCRPKEY] = ".pcrpkey",
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NULL,
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diff --git a/src/fundamental/tpm-pcr.h b/src/fundamental/tpm-pcr.h
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index 24240b82ed..794d593825 100644
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--- a/src/fundamental/tpm-pcr.h
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+++ b/src/fundamental/tpm-pcr.h
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@@ -35,6 +35,7 @@ typedef enum UnifiedSection {
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UNIFIED_SECTION_SPLASH,
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UNIFIED_SECTION_DTB,
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UNIFIED_SECTION_UNAME,
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+ UNIFIED_SECTION_SBAT,
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UNIFIED_SECTION_PCRSIG,
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UNIFIED_SECTION_PCRPKEY,
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_UNIFIED_SECTION_MAX,
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