[PATCH 2/2] efi_selftest: add selftest for EFI_TCG2_PROTOCOL and Measured Boot
Masahisa Kojima
masahisa.kojima at linaro.org
Fri Oct 22 13:24:25 CEST 2021
This commit adds the missing EFI_TCG2_PROTOCOL selftest
and Measured Boot selftest in lib/efi_selftest.
Signed-off-by: Masahisa Kojima <masahisa.kojima at linaro.org>
---
lib/efi_selftest/Makefile | 10 +
.../efi_selftest_miniapp_measuredboot.c | 93 ++
lib/efi_selftest/efi_selftest_tcg2.c | 804 +++++++++++++++++-
3 files changed, 906 insertions(+), 1 deletion(-)
create mode 100644 lib/efi_selftest/efi_selftest_miniapp_measuredboot.c
diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile
index 9ff6e1760c..09950ee028 100644
--- a/lib/efi_selftest/Makefile
+++ b/lib/efi_selftest/Makefile
@@ -14,6 +14,8 @@ CFLAGS_efi_selftest_miniapp_exception.o := $(CFLAGS_EFI) -Os -ffreestanding
CFLAGS_REMOVE_efi_selftest_miniapp_exception.o := $(CFLAGS_NON_EFI)
CFLAGS_efi_selftest_miniapp_exit.o := $(CFLAGS_EFI) -Os -ffreestanding
CFLAGS_REMOVE_efi_selftest_miniapp_exit.o := $(CFLAGS_NON_EFI)
+CFLAGS_efi_selftest_miniapp_measuredboot.o := $(CFLAGS_EFI) -Os -ffreestanding
+CFLAGS_REMOVE_efi_selftest_miniapp_measuredboot.o := $(CFLAGS_NON_EFI)
CFLAGS_efi_selftest_miniapp_return.o := $(CFLAGS_EFI) -Os -ffreestanding
CFLAGS_REMOVE_efi_selftest_miniapp_return.o := $(CFLAGS_NON_EFI)
CFLAGS_initrddump_exit.o := $(CFLAGS_EFI) -Os -ffreestanding
@@ -78,9 +80,11 @@ obj-$(CONFIG_EFI_ESRT) += efi_selftest_esrt.o
targets += \
efi_miniapp_file_image_exception.h \
efi_miniapp_file_image_exit.h \
+efi_miniapp_file_image_measuredboot.h \
efi_miniapp_file_image_return.h \
efi_selftest_miniapp_exception.efi \
efi_selftest_miniapp_exit.efi \
+efi_selftest_miniapp_measuredboot.efi \
efi_selftest_miniapp_return.efi
ifeq ($(CONFIG_GENERATE_ACPI_TABLE),)
@@ -99,6 +103,10 @@ $(obj)/efi_miniapp_file_image_exit.h: $(obj)/efi_selftest_miniapp_exit.efi
$(obj)/../../tools/file2include $(obj)/efi_selftest_miniapp_exit.efi > \
$(obj)/efi_miniapp_file_image_exit.h
+$(obj)/efi_miniapp_file_image_measuredboot.h: $(obj)/efi_selftest_miniapp_measuredboot.efi
+ $(obj)/../../tools/file2include $(obj)/efi_selftest_miniapp_measuredboot.efi > \
+ $(obj)/efi_miniapp_file_image_measuredboot.h
+
$(obj)/efi_miniapp_file_image_return.h: $(obj)/efi_selftest_miniapp_return.efi
$(obj)/../../tools/file2include $(obj)/efi_selftest_miniapp_return.efi > \
$(obj)/efi_miniapp_file_image_return.h
@@ -112,3 +120,5 @@ $(obj)/efi_selftest_loadimage.o: $(obj)/efi_miniapp_file_image_exit.h
$(obj)/efi_selftest_startimage_exit.o: $(obj)/efi_miniapp_file_image_exit.h
$(obj)/efi_selftest_startimage_return.o: $(obj)/efi_miniapp_file_image_return.h
+
+$(obj)/efi_selftest_tcg2.o: $(obj)/efi_miniapp_file_image_measuredboot.h
diff --git a/lib/efi_selftest/efi_selftest_miniapp_measuredboot.c b/lib/efi_selftest/efi_selftest_miniapp_measuredboot.c
new file mode 100644
index 0000000000..926713c1c2
--- /dev/null
+++ b/lib/efi_selftest/efi_selftest_miniapp_measuredboot.c
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * efi_selftest_miniapp_measuredboot
+ *
+ * Copyright (c) 2018 Heinrich Schuchardt
+ * Copyright (c) 2021 Masahisa Kojima
+ *
+ * This EFI application is run by the StartImage selftest.
+ * It uses the Exit boot service to return and used for
+ * Measured Boot selftest.
+ */
+
+#include <common.h>
+#include <efi_selftest.h>
+
+static efi_guid_t loaded_image_protocol_guid = EFI_LOADED_IMAGE_PROTOCOL_GUID;
+
+/**
+ * check_loaded_image_protocol() - check image_base/image_size
+ *
+ * Try to open the loaded image protocol. Check that this function is located
+ * between image_base and image_base + image_size.
+ *
+ * @image_handle: handle of the loaded image
+ * @systable: system table
+ * @return: status code
+ */
+static efi_status_t EFIAPI check_loaded_image_protocol
+ (efi_handle_t image_handle, struct efi_system_table *systable)
+{
+ struct efi_simple_text_output_protocol *cout = systable->con_out;
+ struct efi_boot_services *boottime = systable->boottime;
+ struct efi_loaded_image *loaded_image_protocol;
+ efi_status_t ret;
+
+ /*
+ * Open the loaded image protocol.
+ */
+ ret = boottime->open_protocol
+ (image_handle, &loaded_image_protocol_guid,
+ (void **)&loaded_image_protocol, NULL,
+ NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+ if (ret != EFI_SUCCESS) {
+ cout->output_string(cout,
+ L"Could not open loaded image protocol");
+ return ret;
+ }
+ if ((void *)check_loaded_image_protocol <
+ loaded_image_protocol->image_base ||
+ (void *)check_loaded_image_protocol >=
+ loaded_image_protocol->image_base +
+ loaded_image_protocol->image_size) {
+ cout->output_string(cout,
+ L"Incorrect image_base or image_size\n");
+ return EFI_NOT_FOUND;
+ }
+ return EFI_SUCCESS;
+}
+
+/**
+ * Entry point of the EFI application.
+ *
+ * @handle: handle of the loaded image
+ * @systable: system table
+ * @return: status code
+ */
+efi_status_t EFIAPI efi_main(efi_handle_t handle,
+ struct efi_system_table *systable)
+{
+ struct efi_simple_text_output_protocol *con_out = systable->con_out;
+ efi_status_t ret;
+ u16 text[] = EFI_ST_SUCCESS_STR;
+
+ con_out->output_string(con_out, L"EFI application calling Exit\n");
+
+ if (check_loaded_image_protocol(handle, systable) != EFI_SUCCESS) {
+ con_out->output_string(con_out,
+ L"Loaded image protocol missing\n");
+ ret = EFI_NOT_FOUND;
+ goto out;
+ }
+
+ /* This return value is expected by the calling test */
+ ret = EFI_UNSUPPORTED;
+out:
+ systable->boottime->exit(handle, ret, sizeof(text), text);
+
+ /*
+ * This statement should not be reached.
+ * To enable testing use a different return value.
+ */
+ return EFI_SUCCESS;
+}
diff --git a/lib/efi_selftest/efi_selftest_tcg2.c b/lib/efi_selftest/efi_selftest_tcg2.c
index 1399309cec..50de735f5e 100644
--- a/lib/efi_selftest/efi_selftest_tcg2.c
+++ b/lib/efi_selftest/efi_selftest_tcg2.c
@@ -9,10 +9,495 @@
#include <efi_selftest.h>
#include <efi_tcg2.h>
+/* Include containing the miniapp.efi application */
+#include "efi_miniapp_file_image_measuredboot.h"
+
+#include <linux/unaligned/access_ok.h>
+#include <mapmem.h>
+#include <smbios.h>
+#include <tables_csum.h>
static struct efi_boot_services *boottime;
static const efi_guid_t guid_tcg2 = EFI_TCG2_PROTOCOL_GUID;
+/* Block size of compressed disk image */
+#define COMPRESSED_DISK_IMAGE_BLOCK_SIZE 8
+
+static efi_handle_t image_handle;
+/* Decompressed file image */
+static u8 *image;
+
+/* One 8 byte block of the compressed disk image */
+struct line {
+ size_t addr;
+ char *line;
+};
+
+/* Compressed file image */
+struct compressed_file_image {
+ size_t length;
+ struct line lines[];
+};
+
+static struct compressed_file_image img = EFI_ST_DISK_IMG;
+
+static struct efi_tcg2_event *efi_tcg2_event;
+
+static struct efi_runtime_services *runtime;
+#define BOOT_NAME_1000 u"Boot1000"
+#define BOOT_NAME_1001 u"Boot1001"
+#define BOOT_NAME_1002 u"Boot1002"
+
+#define DEFAULT_ATTR (EFI_VARIABLE_NON_VOLATILE | \
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | \
+ EFI_VARIABLE_RUNTIME_ACCESS)
+
+/* "efidebug boot add -b 1000 test1000 virtio 0:1 /EFI/debian/grubaa64.efi" */
+static const u8 boot_1000[] = {
+0x01, 0x00, 0x00, 0x00, 0x8d, 0x00, 0x74, 0x00, 0x65, 0x00, 0x73, 0x00,
+0x74, 0x00, 0x30, 0x00, 0x00, 0x00, 0x01, 0x04, 0x14, 0x00, 0xb9, 0x73,
+0x1d, 0xe6, 0x84, 0xa3, 0xcc, 0x4a, 0xae, 0xab, 0x82, 0xe8, 0x28, 0xf3,
+0x62, 0x8b, 0x01, 0x04, 0x15, 0x00, 0x92, 0x37, 0x29, 0x63, 0xf5, 0xad,
+0x25, 0x93, 0xb9, 0x9f, 0x4e, 0x0e, 0x45, 0x5c, 0x1b, 0x1e, 0x00, 0x04,
+0x01, 0x2a, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x57,
+0x5a, 0x47, 0xc2, 0x35, 0x27, 0x44, 0x47, 0x9f, 0x01, 0x67, 0xfe, 0xfa,
+0x1d, 0x06, 0xae, 0x02, 0x02, 0x04, 0x04, 0x36, 0x00, 0x5c, 0x00, 0x45,
+0x00, 0x46, 0x00, 0x49, 0x00, 0x5c, 0x00, 0x64, 0x00, 0x65, 0x00, 0x62,
+0x00, 0x69, 0x00, 0x61, 0x00, 0x6e, 0x00, 0x5c, 0x00, 0x67, 0x00, 0x72,
+0x00, 0x75, 0x00, 0x62, 0x00, 0x61, 0x00, 0x61, 0x00, 0x36, 0x00, 0x34,
+0x00, 0x2e, 0x00, 0x65, 0x00, 0x66, 0x00, 0x69, 0x00, 0x00, 0x00, 0x7f,
+0xff, 0x04, 0x00 };
+
+/* "efidebug boot add -b 1001 test1001 virtio 0:1 /EFI/debian/grubaa64.efi" */
+static const u8 boot_1001[] = {
+0x01, 0x00, 0x00, 0x00, 0x8d, 0x00, 0x74, 0x00, 0x65, 0x00, 0x73, 0x00,
+0x74, 0x00, 0x31, 0x00, 0x00, 0x00, 0x01, 0x04, 0x14, 0x00, 0xb9, 0x73,
+0x1d, 0xe6, 0x84, 0xa3, 0xcc, 0x4a, 0xae, 0xab, 0x82, 0xe8, 0x28, 0xf3,
+0x62, 0x8b, 0x01, 0x04, 0x15, 0x00, 0x92, 0x37, 0x29, 0x63, 0xf5, 0xad,
+0x25, 0x93, 0xb9, 0x9f, 0x4e, 0x0e, 0x45, 0x5c, 0x1b, 0x1e, 0x00, 0x04,
+0x01, 0x2a, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x57,
+0x5a, 0x47, 0xc2, 0x35, 0x27, 0x44, 0x47, 0x9f, 0x01, 0x67, 0xfe, 0xfa,
+0x1d, 0x06, 0xae, 0x02, 0x02, 0x04, 0x04, 0x36, 0x00, 0x5c, 0x00, 0x45,
+0x00, 0x46, 0x00, 0x49, 0x00, 0x5c, 0x00, 0x64, 0x00, 0x65, 0x00, 0x62,
+0x00, 0x69, 0x00, 0x61, 0x00, 0x6e, 0x00, 0x5c, 0x00, 0x67, 0x00, 0x72,
+0x00, 0x75, 0x00, 0x62, 0x00, 0x61, 0x00, 0x61, 0x00, 0x36, 0x00, 0x34,
+0x00, 0x2e, 0x00, 0x65, 0x00, 0x66, 0x00, 0x69, 0x00, 0x00, 0x00, 0x7f,
+0xff, 0x04, 0x00 };
+
+/* "efidebug boot add -b 1002 test1002 virtio 0:1 /EFI/debian/grubaa64.efi" */
+static const u8 boot_1002[] = {
+0x01, 0x00, 0x00, 0x00, 0x8d, 0x00, 0x74, 0x00, 0x65, 0x00, 0x73, 0x00,
+0x74, 0x00, 0x32, 0x00, 0x00, 0x00, 0x01, 0x04, 0x14, 0x00, 0xb9, 0x73,
+0x1d, 0xe6, 0x84, 0xa3, 0xcc, 0x4a, 0xae, 0xab, 0x82, 0xe8, 0x28, 0xf3,
+0x62, 0x8b, 0x01, 0x04, 0x15, 0x00, 0x92, 0x37, 0x29, 0x63, 0xf5, 0xad,
+0x25, 0x93, 0xb9, 0x9f, 0x4e, 0x0e, 0x45, 0x5c, 0x1b, 0x1e, 0x00, 0x04,
+0x01, 0x2a, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x57,
+0x5a, 0x47, 0xc2, 0x35, 0x27, 0x44, 0x47, 0x9f, 0x01, 0x67, 0xfe, 0xfa,
+0x1d, 0x06, 0xae, 0x02, 0x02, 0x04, 0x04, 0x36, 0x00, 0x5c, 0x00, 0x45,
+0x00, 0x46, 0x00, 0x49, 0x00, 0x5c, 0x00, 0x64, 0x00, 0x65, 0x00, 0x62,
+0x00, 0x69, 0x00, 0x61, 0x00, 0x6e, 0x00, 0x5c, 0x00, 0x67, 0x00, 0x72,
+0x00, 0x75, 0x00, 0x62, 0x00, 0x61, 0x00, 0x61, 0x00, 0x36, 0x00, 0x34,
+0x00, 0x2e, 0x00, 0x65, 0x00, 0x66, 0x00, 0x69, 0x00, 0x00, 0x00, 0x7f,
+0xff, 0x04, 0x00};
+
+/* "efidebug boot order 1002 1000 1001" */
+static u8 boot_order[] = {0x02, 0x10, 0x00, 0x10, 0x01, 0x10};
+
+static void *orig_smbios_table;
+static u64 dmi_addr = U32_MAX;
+#define SMBIOS_ENTRY_HEADER_SIZE 0x20
+/* smbios table for the measurement test */
+static u8 smbios_table_test[] = {
+0x5f, 0x53, 0x4d, 0x5f, 0x2c, 0x1f, 0x03, 0x00, 0x54, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x5f, 0x44, 0x4d, 0x49, 0x5f, 0xe4, 0x5c, 0x01,
+0x20, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00,
+0x01, 0x02, 0x00, 0x00, 0x03, 0x00, 0x80, 0x08, 0x01, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x0c, 0x15, 0x0a, 0xff, 0xff, 0x55, 0x2d, 0x42, 0x6f,
+0x6f, 0x74, 0x00, 0x32, 0x30, 0x32, 0x31, 0x2e, 0x31, 0x30, 0x2d, 0x72,
+0x63, 0x34, 0x2d, 0x30, 0x30, 0x30, 0x30, 0x35, 0x2d, 0x67, 0x37, 0x32,
+0x37, 0x63, 0x33, 0x66, 0x33, 0x32, 0x35, 0x39, 0x2d, 0x64, 0x69, 0x72,
+0x74, 0x79, 0x00, 0x31, 0x30, 0x2f, 0x30, 0x31, 0x2f, 0x32, 0x30, 0x32,
+0x31, 0x00, 0x00, 0x01, 0x1b, 0x01, 0x00, 0x01, 0x02, 0x00, 0x03, 0x31,
+0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x55, 0x6e, 0x6b, 0x6e, 0x6f, 0x77,
+0x6e, 0x00, 0x55, 0x6e, 0x6b, 0x6e, 0x6f, 0x77, 0x6e, 0x20, 0x50, 0x72,
+0x6f, 0x64, 0x75, 0x63, 0x74, 0x00, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36,
+0x37, 0x38, 0x00, 0x00, 0x02, 0x0e, 0x02, 0x00, 0x01, 0x02, 0x00, 0x04,
+0x03, 0x01, 0x01, 0x01, 0x00, 0x0a, 0x55, 0x6e, 0x6b, 0x6e, 0x6f, 0x77,
+0x6e, 0x00, 0x55, 0x6e, 0x6b, 0x6e, 0x6f, 0x77, 0x6e, 0x20, 0x50, 0x72,
+0x6f, 0x64, 0x75, 0x63, 0x74, 0x00, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33,
+0x33, 0x33, 0x00, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x00,
+0x00, 0x03, 0x15, 0x03, 0x00, 0x01, 0x03, 0x00, 0x02, 0x03, 0x03, 0x03,
+0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x6e,
+0x6b, 0x6e, 0x6f, 0x77, 0x6e, 0x00, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36,
+0x37, 0x38, 0x00, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x00,
+0x00, 0x04, 0x30, 0x04, 0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x01, 0x06, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x02, 0x03, 0x04,
+0x04, 0x04, 0x08, 0x00, 0x00, 0x02, 0x00, 0x08, 0x00, 0x08, 0x00, 0x01,
+0x00, 0x55, 0x6e, 0x6b, 0x6e, 0x6f, 0x77, 0x6e, 0x00, 0x31, 0x32, 0x33,
+0x34, 0x35, 0x36, 0x37, 0x38, 0x00, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33,
+0x33, 0x33, 0x00, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x00,
+0x00, 0x20, 0x0b, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x7f, 0x04, 0x06, 0x00, 0x00, 0x00
+};
+
+#define TPM2_CMD_BUF_SIZE 64
+/* TPM command is big endian */
+#define __MSB(x) ((x) >> 8)
+#define __LSB(x) ((x) & 0xFF)
+#define tpm_u16(x) __MSB(x), __LSB(x)
+#define tpm_u32(x) tpm_u16((x) >> 16), tpm_u16((x) & 0xFFFF)
+#define TPM2_PCR_READ_HEADER_SIZE 30
+
+static u8 *pcrs;
+static u8 expected_pcrs[EFI_TCG2_MAX_PCR_INDEX + 1][TPM2_SHA256_DIGEST_SIZE] = {
+ {0x91, 0x21, 0x37, 0xc7, 0x1a, 0x49, 0x19, 0xc8,
+ 0xf1, 0xfb, 0xa9, 0x84, 0x5c, 0x65, 0xa9, 0xdd,
+ 0x7b, 0xb9, 0xfe, 0xa1, 0xcd, 0x64, 0x49, 0xdd,
+ 0xed, 0xe2, 0x65, 0x82, 0xc5, 0x3e, 0xf4, 0xc4},
+
+ {0xf5, 0x79, 0xf3, 0x20, 0x62, 0x6e, 0x8b, 0x58,
+ 0x62, 0xa3, 0x4e, 0x2f, 0xb7, 0x10, 0xac, 0x34,
+ 0x4e, 0x68, 0x94, 0x37, 0x87, 0x29, 0xc4, 0xbe,
+ 0xa3, 0xc4, 0xd9, 0x14, 0x2b, 0x66, 0x79, 0x9b},
+
+ {0x3d, 0x45, 0x8c, 0xfe, 0x55, 0xcc, 0x03, 0xea,
+ 0x1f, 0x44, 0x3f, 0x15, 0x62, 0xbe, 0xec, 0x8d,
+ 0xf5, 0x1c, 0x75, 0xe1, 0x4a, 0x9f, 0xcf, 0x9a,
+ 0x72, 0x34, 0xa1, 0x3f, 0x19, 0x8e, 0x79, 0x69},
+
+ {0x3d, 0x45, 0x8c, 0xfe, 0x55, 0xcc, 0x03, 0xea,
+ 0x1f, 0x44, 0x3f, 0x15, 0x62, 0xbe, 0xec, 0x8d,
+ 0xf5, 0x1c, 0x75, 0xe1, 0x4a, 0x9f, 0xcf, 0x9a,
+ 0x72, 0x34, 0xa1, 0x3f, 0x19, 0x8e, 0x79, 0x69},
+
+ {0xbe, 0xea, 0xdc, 0xe0, 0x44, 0x5b, 0x5f, 0x14,
+ 0xef, 0x24, 0x5d, 0x13, 0x15, 0xfe, 0x41, 0x86,
+ 0xc2, 0xd5, 0xdc, 0x0d, 0x04, 0x2f, 0xd4, 0x04,
+ 0x0d, 0x02, 0x62, 0xc0, 0x34, 0x80, 0xee, 0xd5},
+
+ {0x3d, 0x45, 0x8c, 0xfe, 0x55, 0xcc, 0x03, 0xea,
+ 0x1f, 0x44, 0x3f, 0x15, 0x62, 0xbe, 0xec, 0x8d,
+ 0xf5, 0x1c, 0x75, 0xe1, 0x4a, 0x9f, 0xcf, 0x9a,
+ 0x72, 0x34, 0xa1, 0x3f, 0x19, 0x8e, 0x79, 0x69},
+
+ {0x8d, 0x28, 0xde, 0x72, 0x22, 0x3e, 0x88, 0x1a,
+ 0x37, 0xfa, 0x47, 0x12, 0x68, 0x45, 0xdf, 0x71,
+ 0x50, 0x8f, 0xab, 0x59, 0x50, 0x7b, 0x52, 0x32,
+ 0xa6, 0xaa, 0x03, 0x3d, 0x4e, 0x22, 0x89, 0xd7},
+
+ {0x96, 0x74, 0xae, 0xcd, 0x3f, 0x40, 0xb4, 0xa9,
+ 0x36, 0xae, 0x19, 0xc8, 0x84, 0x8a, 0xb9, 0x5a,
+ 0x87, 0x99, 0xd8, 0x89, 0x7f, 0xfc, 0x40, 0x48,
+ 0x05, 0x99, 0x65, 0x2e, 0x55, 0xd4, 0x93, 0x32},
+
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+
+ {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+
+ {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+
+ {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+
+ {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+
+ {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+
+ {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+};
+
+struct boot_variable {
+ u16 name[16];
+ u8 *buf;
+ efi_uintn_t size;
+ u32 attr;
+ const u8 *test_data;
+ efi_uintn_t test_data_size;
+};
+
+static struct boot_variable boot_variable_test[] = {
+ {u"BootOrder", NULL, 0, DEFAULT_ATTR, boot_order, sizeof(boot_order)},
+ {BOOT_NAME_1000, NULL, 0, DEFAULT_ATTR, boot_1000, sizeof(boot_1000)},
+ {BOOT_NAME_1001, NULL, 0, DEFAULT_ATTR, boot_1001, sizeof(boot_1001)},
+ {BOOT_NAME_1002, NULL, 0, DEFAULT_ATTR, boot_1002, sizeof(boot_1002)},
+};
+
+/*
+ * Decompress the disk image.
+ *
+ * @image decompressed disk image
+ * @return status code
+ */
+static efi_status_t decompress(u8 **image)
+{
+ u8 *buf;
+ size_t i;
+ size_t addr;
+ size_t len;
+ efi_status_t ret;
+
+ ret = boottime->allocate_pool(EFI_LOADER_DATA, img.length,
+ (void **)&buf);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("Out of memory\n");
+ return ret;
+ }
+ boottime->set_mem(buf, img.length, 0);
+
+ for (i = 0; ; ++i) {
+ if (!img.lines[i].line)
+ break;
+ addr = img.lines[i].addr;
+ len = COMPRESSED_DISK_IMAGE_BLOCK_SIZE;
+ if (addr + len > img.length)
+ len = img.length - addr;
+ boottime->copy_mem(buf + addr, img.lines[i].line, len);
+ }
+ *image = buf;
+ return ret;
+}
+
+/*
+ * Configure dummy boot variables.
+ *
+ * @return status code
+ */
+static efi_status_t setup_boot_variable(void)
+{
+ efi_status_t ret;
+ u32 i;
+ efi_uintn_t size;
+ u8 dummy;
+
+ for (i = 0; i < ARRAY_SIZE(boot_variable_test); i++) {
+ size = 1;
+ ret = runtime->get_variable(boot_variable_test[i].name,
+ &efi_global_variable_guid,
+ &boot_variable_test[i].attr,
+ &size,
+ &dummy);
+ if (ret == EFI_BUFFER_TOO_SMALL) {
+ /* Variable exists, save the current vaiable */
+ boot_variable_test[i].size = size;
+ ret = boottime->allocate_pool(EFI_LOADER_DATA,
+ boot_variable_test[i].size,
+ (void **)&boot_variable_test[i].buf);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("fail to allocate buffer for boot variable\n");
+ return ret;
+ }
+ ret = runtime->get_variable(boot_variable_test[i].name,
+ &efi_global_variable_guid,
+ &boot_variable_test[i].attr,
+ &boot_variable_test[i].size,
+ boot_variable_test[i].buf);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("fail to get current boot variable\n");
+ return ret;
+ }
+ }
+
+ /* set boot variable for the measurement test */
+ ret = runtime->set_variable(boot_variable_test[i].name,
+ &efi_global_variable_guid,
+ boot_variable_test[i].attr,
+ boot_variable_test[i].test_data_size,
+ boot_variable_test[i].test_data);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("### fail to set test boot variable(%d)n", i);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Restore original boot variables.
+ *
+ * @return status code
+ */
+efi_status_t restore_boot_variable(void)
+{
+ int i;
+ efi_status_t ret;
+
+ for (i = 0; i < ARRAY_SIZE(boot_variable_test); i++) {
+ if (boot_variable_test[i].buf) {
+ ret = runtime->set_variable(boot_variable_test[i].name,
+ &efi_global_variable_guid,
+ boot_variable_test[i].attr,
+ boot_variable_test[i].size,
+ boot_variable_test[i].buf);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("### fail to restore boot variable\n");
+ return ret;
+ }
+ ret = boottime->free_pool(boot_variable_test[i].buf);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("Failed to free boot variable\n");
+ return ret;
+ }
+ } else {
+ /* delete the variable used only for testing */
+ ret = runtime->set_variable(boot_variable_test[i].name,
+ &efi_global_variable_guid,
+ 0, 0, NULL);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("### fail to delete boot variable\n");
+ return ret;
+ }
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ * Find smbios table
+ *
+ * @systable system table
+ * @return status code
+ */
+static void *find_smbios_table(const struct efi_system_table *systable)
+{
+ u32 i;
+
+ for (i = 0; i < systable->nr_tables; i++) {
+ if (!guidcmp(&smbios_guid, &systable->tables[i].guid))
+ return systable->tables[i].table;
+ }
+
+ return NULL;
+}
+
+/**
+ * Prepare the dummy SMBIOS table
+ *
+ * @systable system table
+ * @return status code
+ */
+efi_status_t setup_smbios_table(const struct efi_system_table *systable)
+{
+ struct smbios_entry *se;
+ efi_status_t ret;
+ /* Map within the low 32 bits, to allow for 32bit SMBIOS tables */
+ void *dmi;
+ char *istart;
+ int isize;
+
+ if (sizeof(smbios_table_test) > EFI_PAGE_SIZE)
+ return EFI_OUT_OF_RESOURCES;
+
+ orig_smbios_table = find_smbios_table(systable);
+
+ /* Reserve 4kiB page for SMBIOS */
+ ret = boottime->allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
+ EFI_RUNTIME_SERVICES_DATA, 1, &dmi_addr);
+
+ if (ret != EFI_SUCCESS) {
+ /* Could not find space in lowmem, use highmem instead */
+ ret = boottime->allocate_pages(EFI_ALLOCATE_ANY_PAGES,
+ EFI_RUNTIME_SERVICES_DATA, 1,
+ &dmi_addr);
+
+ if (ret != EFI_SUCCESS)
+ return ret;
+ }
+
+ dmi = (void *)(uintptr_t)dmi_addr;
+ se = dmi;
+ boottime->copy_mem(se, smbios_table_test, sizeof(smbios_table_test));
+
+ /* update smbios table start address */
+ se->struct_table_address = (uintptr_t)((u8 *)dmi + SMBIOS_ENTRY_HEADER_SIZE);
+
+ /* calculate checksums */
+ istart = (char *)se + SMBIOS_INTERMEDIATE_OFFSET;
+ isize = sizeof(struct smbios_entry) - SMBIOS_INTERMEDIATE_OFFSET;
+ se->intermediate_checksum = table_compute_checksum(istart, isize);
+ se->checksum = table_compute_checksum(se, sizeof(struct smbios_entry));
+
+ /* Install SMBIOS information as configuration table */
+ ret = boottime->install_configuration_table(&smbios_guid, dmi);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("Cannot install SMBIOS table\n");
+ boottime->free_pages(dmi_addr, 1);
+ }
+
+ return ret;
+}
+
/**
* efi_st_tcg2_setup() - setup test
*
@@ -23,7 +508,171 @@ static const efi_guid_t guid_tcg2 = EFI_TCG2_PROTOCOL_GUID;
static int efi_st_tcg2_setup(const efi_handle_t img_handle,
const struct efi_system_table *systable)
{
+ efi_status_t ret;
+ struct uefi_image_load_event image_load_event;
+
+ image_handle = img_handle;
boottime = systable->boottime;
+ runtime = systable->runtime;
+
+ /* Load the application image into memory */
+ decompress(&image);
+
+ ret = boottime->allocate_pool(EFI_LOADER_DATA,
+ sizeof(struct efi_tcg2_event) +
+ sizeof(struct uefi_image_load_event),
+ (void **)&efi_tcg2_event);
+ if (!efi_tcg2_event)
+ return EFI_ST_FAILURE;
+
+ efi_tcg2_event->size = sizeof(struct efi_tcg2_event) +
+ sizeof(struct uefi_image_load_event);
+ efi_tcg2_event->header.header_size = sizeof(struct efi_tcg2_event_header);
+ efi_tcg2_event->header.header_version = 1;
+ efi_tcg2_event->header.pcr_index = 6;
+ efi_tcg2_event->header.event_type = EV_EFI_RUNTIME_SERVICES_DRIVER;
+ image_load_event.image_location_in_memory = 0x12345678;
+ image_load_event.image_length_in_memory = 0x300000;
+ image_load_event.image_link_time_address = 0x87654321;
+ image_load_event.length_of_device_path = 0;
+ boottime->copy_mem(efi_tcg2_event->event, &image_load_event,
+ sizeof(struct uefi_image_load_event));
+
+ ret = setup_boot_variable();
+ if (ret != EFI_SUCCESS)
+ return EFI_ST_FAILURE;
+
+ ret = setup_smbios_table(systable);
+ if (ret != EFI_SUCCESS)
+ return EFI_ST_FAILURE;
+
+ ret = boottime->allocate_pool(EFI_LOADER_DATA,
+ (EFI_TCG2_MAX_PCR_INDEX + 1) *
+ TPM2_SHA256_DIGEST_SIZE,
+ (void **)&pcrs);
+ if (!pcrs)
+ return EFI_ST_FAILURE;
+
+ boottime->set_mem(pcrs, (EFI_TCG2_MAX_PCR_INDEX + 1) * TPM2_SHA256_DIGEST_SIZE, 0);
+
+ return EFI_ST_SUCCESS;
+}
+
+/**
+ * Get manufacturer_id through submit_command API
+ *
+ * @tcg2 tcg2 protocol
+ * @manufacturer_id pointer to the manufacturer_id
+ * @return status code
+ */
+static efi_status_t get_manufacturer_id(struct efi_tcg2_protocol *tcg2, u32 *manufacturer_id)
+{
+ efi_status_t ret;
+ u8 cmd[TPM2_CMD_BUF_SIZE] = {
+ tpm_u16(TPM2_ST_NO_SESSIONS), /* TAG */
+ tpm_u32(22), /* Length */
+ tpm_u32(TPM2_CC_GET_CAPABILITY), /* Command code */
+
+ tpm_u32(TPM2_CAP_TPM_PROPERTIES), /* Capability */
+ tpm_u32(TPM2_PT_MANUFACTURER), /* Property */
+ tpm_u32(1), /* Property count */
+ };
+ u8 resp[TPM2_CMD_BUF_SIZE];
+ unsigned int value_off;
+
+ ret = tcg2->submit_command(tcg2, 22, cmd,
+ TPM2_CMD_BUF_SIZE, resp);
+ if (ret != EFI_SUCCESS)
+ return ret;
+
+ /*
+ * In the response buffer, the properties are located after the:
+ * tag (u16), response size (u32), response code (u32),
+ * YES/NO flag (u8), TPM_CAP (u32).
+ * The value is located after count (u32), property (u32).
+ */
+ value_off = sizeof(u16) + sizeof(u32) + sizeof(u32) +
+ sizeof(u8) + sizeof(u32) + sizeof(u32) + sizeof(u32);
+ *manufacturer_id = get_unaligned_be32(&resp[value_off]);
+
+ return ret;
+}
+
+/**
+ * Read the PCR from the TPM device
+ *
+ * @tcg2 tcg2 protocol
+ * @idx pcr index to read
+ * @return status code
+ */
+static efi_status_t read_pcr(struct efi_tcg2_protocol *tcg2, u32 idx)
+{
+ efi_status_t ret;
+ u8 idx_array_sz = 3; /* support 24 PCRs */
+ u32 cmd_len = 17 + idx_array_sz;
+ u8 cmd[TPM2_CMD_BUF_SIZE] = {
+ tpm_u16(TPM2_ST_NO_SESSIONS), /* TAG */
+ tpm_u32(cmd_len), /* Length */
+ tpm_u32(TPM2_CC_PCR_READ), /* Command code */
+ /* TPML_PCR_SELECTION */
+ tpm_u32(1), /* Number of selections */
+ tpm_u16(TPM2_ALG_SHA256), /* Algorithm of the hash */
+ idx_array_sz, /* Array size for selection */
+ /* bitmap(idx), Selected PCR bitmap */
+ };
+ u8 resp[TPM2_CMD_BUF_SIZE];
+ u32 pcr_sel_idx = idx / 8;
+ u8 pcr_sel_bit = BIT(idx % 8);
+ u8 *dst;
+
+ cmd[17 + pcr_sel_idx] = pcr_sel_bit;
+ ret = tcg2->submit_command(tcg2, cmd_len, cmd,
+ TPM2_CMD_BUF_SIZE, resp);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("tcg2->submit_command fail to read PCR\n");
+ return ret;
+ }
+
+ dst = pcrs + (idx * TPM2_SHA256_DIGEST_SIZE);
+ boottime->copy_mem(dst, &resp[TPM2_PCR_READ_HEADER_SIZE],
+ TPM2_SHA256_DIGEST_SIZE);
+
+ return ret;
+}
+
+/**
+ * Compare the expected and actual pcrs
+ *
+ * @return status code
+ */
+static int validate_pcrs(void)
+{
+ u32 i;
+ u8 *expected = (u8 *)expected_pcrs;
+ u8 *result = pcrs;
+
+ /*
+ * - Skip PCR[0] validation. PCR[0] contains U-Boot version measurement
+ * it contains the commit hash, so the measurement varies every build
+ * with different commit hash.
+ * - Skip PCR[7] validation. PCR[7] contains UEFI Secure Boot variables
+ * measurement. These variables can not be updated through efi_selftest and
+ * it varies depending on the platform.
+ */
+ for (i = 0; i < (EFI_TCG2_MAX_PCR_INDEX + 1); i++) {
+ result = pcrs + (TPM2_SHA256_DIGEST_SIZE * i);
+ if (i == 0 || i == 7) {
+ expected += TPM2_SHA256_DIGEST_SIZE;
+ result += TPM2_SHA256_DIGEST_SIZE;
+ continue; /* skip validation */
+ }
+ if (memcmp(expected, result, TPM2_SHA256_DIGEST_SIZE)) {
+ efi_st_printf("PCR[%d] is not the expected value\n", i);
+ return EFI_ST_FAILURE;
+ }
+ expected += TPM2_SHA256_DIGEST_SIZE;
+ result += TPM2_SHA256_DIGEST_SIZE;
+ }
return EFI_ST_SUCCESS;
}
@@ -31,7 +680,8 @@ static int efi_st_tcg2_setup(const efi_handle_t img_handle,
/**
* efi_st_tcg2_execute() - execute test
*
- * Call the GetCapability service of the EFI_TCG2_PROTOCOL.
+ * Call EFI_TCG2_PROTOCOL services and check the
+ * Measured Boot behavior.
*
* Return: status code
*/
@@ -40,12 +690,22 @@ static int efi_st_tcg2_execute(void)
struct efi_tcg2_protocol *tcg2;
struct efi_tcg2_boot_service_capability capability;
efi_status_t ret;
+ u32 active_pcr_banks;
+ u64 eventlog, eventlog_last_entry;
+ bool eventlog_truncated;
+ efi_handle_t handle;
+ efi_uintn_t exit_data_size = 0;
+ u16 *exit_data = NULL;
+ u32 i;
+ u32 manufacturer_id;
ret = boottime->locate_protocol(&guid_tcg2, NULL, (void **)&tcg2);
if (ret != EFI_SUCCESS) {
efi_st_error("TCG2 protocol is not available.\n");
return EFI_ST_FAILURE;
}
+
+ /* EFI_TCG2_PROTOCOL.GetCapability test */
capability.size = sizeof(struct efi_tcg2_boot_service_capability) - 1;
ret = tcg2->get_capability(tcg2, &capability);
if (ret != EFI_BUFFER_TOO_SMALL) {
@@ -64,12 +724,154 @@ static int efi_st_tcg2_execute(void)
}
efi_st_printf("TPM supports 0x%.8x event logs\n",
capability.supported_event_logs);
+
+ /* EFI_TCG2_PROTOCOL.GetActivePcrBanks test */
+ ret = tcg2->get_active_pcr_banks(tcg2, &active_pcr_banks);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("tcg2->get_active_pcr_banks failed\n");
+ return EFI_ST_FAILURE;
+ }
+ if (active_pcr_banks != capability.active_pcr_banks) {
+ efi_st_error("tcg2->get_active_pcr_banks return wrong value\n");
+ return EFI_ST_FAILURE;
+ }
+
+ /* EFI_TCG2_PROTOCOL.HashLogExtendEvent test */
+ ret = tcg2->hash_log_extend_event(tcg2, EFI_TCG2_EXTEND_ONLY,
+ (uintptr_t)image,
+ img.length, efi_tcg2_event);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("tcg2->hash_log_extend_event(EXTEND_ONLY) failed\n");
+ return EFI_ST_FAILURE;
+ }
+
+ ret = tcg2->hash_log_extend_event(tcg2, PE_COFF_IMAGE, (uintptr_t)image,
+ img.length, efi_tcg2_event);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("tcg2->hash_log_extend_event(PE_COFF_IMAGE) failed\n");
+ return EFI_ST_FAILURE;
+ }
+
+ /* EFI_TCG2_PROTOCOL.SubmitCommand test */
+ ret = get_manufacturer_id(tcg2, &manufacturer_id);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("get_manufacturer_id failed\n");
+ return EFI_ST_FAILURE;
+ }
+ if (capability.manufacturer_id != manufacturer_id) {
+ efi_st_error("tcg2->submit_command test failed\n");
+ return EFI_ST_FAILURE;
+ }
+
+ /* tcg2_measure_pe_image test */
+ ret = boottime->load_image(false, image_handle, NULL, image,
+ img.length, &handle);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("Failed to load image\n");
+ return EFI_ST_FAILURE;
+ }
+
+ /* measure ready_to_boot event(boot variables, smbios table, etc.) */
+ /* TODO: add GPT measurement test */
+ ret = boottime->start_image(handle, &exit_data_size, &exit_data);
+ if (ret != EFI_UNSUPPORTED) {
+ efi_st_error("Wrong return value from application\n");
+ return EFI_ST_FAILURE;
+ }
+ ret = boottime->free_pool(exit_data);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("Failed to free exit data\n");
+ return EFI_ST_FAILURE;
+ }
+
+ /* validate PCR read from the TPM device */
+ for (i = 0; i < (EFI_TCG2_MAX_PCR_INDEX + 1); i++) {
+ ret = read_pcr(tcg2, i);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("read pcr error\n");
+ return EFI_ST_FAILURE;
+ }
+ }
+ if (validate_pcrs()) {
+ efi_st_error("PCR validation failed\n");
+ return EFI_ST_FAILURE;
+ }
+
+ /* EFI_TCG2_PROTOCOL.GetEventLog test */
+ ret = tcg2->get_eventlog(tcg2, TCG2_EVENT_LOG_FORMAT_TCG_2, &eventlog,
+ &eventlog_last_entry, &eventlog_truncated);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("tcg2->get_eventlog failed\n");
+ return EFI_ST_FAILURE;
+ }
+ /* TODO: eventlog format check */
+
return EFI_ST_SUCCESS;
}
+/*
+ * Tear down unit test.
+ *
+ * @return: EFI_ST_SUCCESS for success
+ */
+static int efi_st_tcg2_teardown(void)
+{
+ efi_status_t r = EFI_ST_SUCCESS;
+
+ if (image) {
+ r = boottime->free_pool(image);
+ if (r != EFI_SUCCESS) {
+ efi_st_error("Failed to free image\n");
+ return EFI_ST_FAILURE;
+ }
+ }
+ if (efi_tcg2_event) {
+ r = boottime->free_pool(efi_tcg2_event);
+ if (r != EFI_SUCCESS) {
+ efi_st_error("Failed to free efi_tcg2_event\n");
+ return EFI_ST_FAILURE;
+ }
+ }
+ if (pcrs) {
+ r = boottime->free_pool(pcrs);
+ if (r != EFI_SUCCESS) {
+ efi_st_error("Failed to free pcr\n");
+ return EFI_ST_FAILURE;
+ }
+ }
+
+ r = restore_boot_variable();
+ if (r != EFI_SUCCESS) {
+ efi_st_error("Failed to restore boot variables\n");
+ return EFI_ST_FAILURE;
+ }
+
+ /*
+ * Restore SMBIOS table
+ * If orig_smbios_table is NULL, calling install_configuration_table()
+ * removes dummy SMBIOS table form systab.
+ */
+ r = boottime->install_configuration_table(&smbios_guid, orig_smbios_table);
+ if (r != EFI_SUCCESS) {
+ efi_st_error("Failed to restore SMBOIS table\n");
+ return EFI_ST_FAILURE;
+ }
+
+ if (dmi_addr) {
+ r = boottime->free_pages(dmi_addr, 1);
+ if (r != EFI_SUCCESS) {
+ efi_st_error("Failed to free dummy smbios table\n");
+ return EFI_ST_FAILURE;
+ }
+ }
+
+ return r;
+}
+
EFI_UNIT_TEST(tcg2) = {
.name = "tcg2",
.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
.execute = efi_st_tcg2_execute,
.setup = efi_st_tcg2_setup,
+ .teardown = efi_st_tcg2_teardown,
};
--
2.17.1
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