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Diffstat (limited to 'lib/efi_selftest/efi_selftest_tcg2.c')
-rw-r--r--lib/efi_selftest/efi_selftest_tcg2.c942
1 files changed, 941 insertions, 1 deletions
diff --git a/lib/efi_selftest/efi_selftest_tcg2.c b/lib/efi_selftest/efi_selftest_tcg2.c
index 1399309cec..c5b0b7dd02 100644
--- a/lib/efi_selftest/efi_selftest_tcg2.c
+++ b/lib/efi_selftest/efi_selftest_tcg2.c
@@ -9,10 +9,604 @@
#include <efi_selftest.h>
#include <efi_tcg2.h>
+/*
+ * Include containing the miniapp.efi application.
+ * Note that tcg2 selftest measures the PE/COFF image,
+ * so we must have the pre-build efi application for
+ * each architecture.
+ */
+#if defined(__arm__)
+#include "efi_miniapp_tcg2_arm.h"
+#elif defined(__aarch64__)
+#include "efi_miniapp_tcg2_arm64.h"
+#elif defined(__i386__)
+#include "efi_miniapp_tcg2_ia32.h"
+#elif defined(__x86_64__)
+#include "efi_miniapp_tcg2_x86_64.h"
+#elif defined(__riscv) && (__riscv_xlen == 32)
+#include "efi_miniapp_tcg2_riscv32.h"
+#elif defined(__riscv) && (__riscv_xlen == 64)
+#include "efi_miniapp_tcg2_riscv64.h"
+#endif
+
+#include <linux/unaligned/be_byteshift.h>
+#include <linux/unaligned/le_byteshift.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 IDX_ARRAY_SZ 3 /* support 24 PCRs */
+#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)[TPM2_SHA256_DIGEST_SIZE];
+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},
+
+ /* PCR[4] is different per architecture */
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+
+ {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},
+
+ /* PCR[6] is different per architecture */
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+
+ {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}
+};
+
+/*
+ * PCR[4] and PCR[6] have the PE/COFF image measurement,
+ * this PCRs have different value in each architecture.
+ */
+#if defined(__arm__)
+static u8 expected_pcrs_per_arch[][TPM2_SHA256_DIGEST_SIZE] = {
+ /* PCR[4] */
+ {0xcd, 0xa2, 0x06, 0xad, 0x83, 0x9b, 0x8f, 0x92,
+ 0x01, 0xf9, 0xc8, 0x3d, 0xc9, 0x54, 0x66, 0xb3,
+ 0x97, 0x35, 0x88, 0xe1, 0xea, 0xd3, 0x1a, 0xd6,
+ 0x56, 0xee, 0x43, 0x1c, 0xdb, 0x4b, 0xf9, 0x1f},
+ /* PCR[6] */
+ {0x9c, 0xb8, 0x9d, 0x4a, 0xf6, 0x63, 0x95, 0xb0,
+ 0x95, 0xfe, 0x44, 0x30, 0x0f, 0x3a, 0x0b, 0x7c,
+ 0xef, 0xc7, 0xb6, 0x6a, 0x59, 0xae, 0xcb, 0xf6,
+ 0xbd, 0x2d, 0xb5, 0xb9, 0xb4, 0x95, 0x7d, 0xaf}
+};
+#elif defined(__aarch64__)
+static u8 expected_pcrs_per_arch[][TPM2_SHA256_DIGEST_SIZE] = {
+ /* PCR[4] */
+ {0x69, 0xdb, 0x01, 0x5e, 0x07, 0xed, 0x9c, 0xbb,
+ 0x27, 0x65, 0xb1, 0xf0, 0x7b, 0x04, 0xbc, 0x31,
+ 0xd1, 0xec, 0x00, 0xe4, 0xe1, 0x49, 0xdb, 0x1e,
+ 0x8b, 0x2d, 0xa2, 0x26, 0xb5, 0x8d, 0x07, 0xe2},
+ /* PCR[6] */
+ {0x53, 0x1b, 0x27, 0xb2, 0x6f, 0x2d, 0xab, 0x9b,
+ 0x6f, 0xbc, 0xd1, 0x8f, 0xc9, 0x14, 0x48, 0xe7,
+ 0x6d, 0x1b, 0xfb, 0x1b, 0x53, 0xc5, 0x8e, 0xf4,
+ 0x41, 0x50, 0x79, 0x24, 0x66, 0x57, 0x7b, 0xf8}
+};
+#elif defined(__i386__)
+static u8 expected_pcrs_per_arch[][TPM2_SHA256_DIGEST_SIZE] = {
+ /* PCR[4] */
+ {0xec, 0x5e, 0xdb, 0x68, 0x13, 0x48, 0x36, 0x0a,
+ 0x3a, 0xbc, 0x7b, 0x7b, 0xbc, 0x74, 0x7a, 0xa5,
+ 0x55, 0xea, 0xb9, 0x09, 0x6a, 0x6e, 0xc3, 0x21,
+ 0x51, 0x46, 0x22, 0xd2, 0x9d, 0xc9, 0xd5, 0x6a},
+ /* PCR[6] */
+ {0x26, 0x14, 0xe7, 0xde, 0x91, 0xd1, 0xf3, 0xde,
+ 0x7a, 0xc2, 0x78, 0xaf, 0x4b, 0x2e, 0x05, 0x9d,
+ 0x35, 0x17, 0xee, 0xcc, 0x0e, 0x77, 0x8d, 0x3f,
+ 0x7e, 0x20, 0x75, 0xfa, 0xbc, 0xbc, 0x24, 0x3e}
+};
+#elif defined(__x86_64__)
+static u8 expected_pcrs_per_arch[][TPM2_SHA256_DIGEST_SIZE] = {
+ /* PCR[4] */
+ {0x9a, 0x75, 0x99, 0x8b, 0x74, 0x45, 0xb6, 0x26,
+ 0x50, 0xe0, 0xbb, 0xfa, 0x2a, 0xa6, 0x19, 0xec,
+ 0x97, 0x12, 0x0c, 0xb5, 0xc8, 0x2a, 0xfe, 0xe5,
+ 0x29, 0xc8, 0xd3, 0x98, 0xe9, 0xd1, 0x9d, 0xd5},
+ /* PCR[6] */
+ {0xa2, 0xa2, 0xd3, 0xa7, 0x84, 0xc2, 0x95, 0x2a,
+ 0xab, 0x6f, 0xe7, 0xe8, 0x86, 0x9f, 0x99, 0xc6,
+ 0x6a, 0x8c, 0xcc, 0x5c, 0xb8, 0x83, 0xfa, 0x86,
+ 0x56, 0x5e, 0x91, 0x17, 0x0b, 0x5f, 0x54, 0xa8}
+};
+#elif defined(__riscv) && (__riscv_xlen == 32)
+static u8 expected_pcrs_per_arch[][TPM2_SHA256_DIGEST_SIZE] = {
+ /* PCR[4] */
+ {0x64, 0xe9, 0x25, 0xb3, 0xd8, 0x33, 0xb3, 0x1b,
+ 0x74, 0x0c, 0x81, 0x45, 0xef, 0x61, 0xf1, 0x87,
+ 0xef, 0x65, 0x67, 0x28, 0x1a, 0x54, 0x97, 0xb2,
+ 0xd3, 0x62, 0x00, 0xe7, 0xb6, 0x7a, 0xd5, 0x8e},
+ /* PCR[6] */
+ {0x82, 0xab, 0xc5, 0x6a, 0xbf, 0x08, 0x43, 0x3f,
+ 0x85, 0xbd, 0x8f, 0x8e, 0x23, 0x62, 0x48, 0x4a,
+ 0x44, 0x53, 0xf0, 0xae, 0x8d, 0x4c, 0xda, 0x04,
+ 0x89, 0x9c, 0x0b, 0x81, 0x3a, 0x53, 0xf3, 0xac}
+};
+#elif defined(__riscv) && (__riscv_xlen == 64)
+static u8 expected_pcrs_per_arch[][TPM2_SHA256_DIGEST_SIZE] = {
+ /* PCR[4] */
+ {0x9b, 0x5f, 0x10, 0x24, 0x28, 0x5d, 0x7d, 0x1f,
+ 0x9f, 0xee, 0xe9, 0x90, 0xf1, 0x7a, 0x03, 0xb1,
+ 0x68, 0x7b, 0x28, 0x45, 0x98, 0x5e, 0xf5, 0x5e,
+ 0xc1, 0x22, 0x61, 0x8c, 0x2f, 0xb5, 0xbf, 0x80},
+ /* PCR[6] */
+ {0x6d, 0x16, 0x17, 0xf4, 0x9a, 0xa8, 0x49, 0xc2,
+ 0xf4, 0x9c, 0x35, 0x30, 0x0c, 0xde, 0x65, 0xdb,
+ 0xd3, 0x37, 0x9c, 0xe2, 0x9f, 0x14, 0x81, 0x74,
+ 0xc3, 0x94, 0x8a, 0x9e, 0x26, 0xbf, 0xfb, 0xb2}
+};
+#endif
+
+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)},
+};
+
+/*
+ * efi_status_t decompress() - 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;
+}
+
+/*
+ * efi_status_t setup_boot_variable() - configure dummy boot variables
+ *
+ * Preexisting variable values are saved and will be restored by
+ * calling restore_boot_variable().
+ *
+ * @return status code
+ */
+static efi_status_t setup_boot_variable(void)
+{
+ efi_status_t ret;
+ u32 i;
+ efi_uintn_t size;
+
+ for (i = 0; i < ARRAY_SIZE(boot_variable_test); i++) {
+ size = 0;
+ ret = runtime->get_variable(boot_variable_test[i].name,
+ &efi_global_variable_guid,
+ &boot_variable_test[i].attr,
+ &size,
+ NULL);
+ if (ret == EFI_BUFFER_TOO_SMALL) {
+ /* Variable exists, save the current value */
+ 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("Failed 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("Failed 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("Failed to set test boot variable(%d)n", i);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * efi_status_t restore_boot_variable() - restore original values
+ *
+ * Restore the variable values saved in setup_boot_variable().
+ *
+ * @return status code
+ */
+static 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("Failed 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("Failed to delete boot variable\n");
+ return ret;
+ }
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ * void *find_smbios_table() - 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;
+}
+
+/**
+ * efi_status_t setup_smbios_table() - Prepare the dummy SMBIOS table
+ *
+ * @systable system table
+ * @return status code
+ */
+static 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 +617,193 @@ 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);
+
+ /* setup expected PCRs per architecture */
+ boottime->copy_mem(&expected_pcrs[4], &expected_pcrs_per_arch[0], TPM2_SHA256_DIGEST_SIZE);
+ boottime->copy_mem(&expected_pcrs[6], &expected_pcrs_per_arch[1], TPM2_SHA256_DIGEST_SIZE);
+
+ return EFI_ST_SUCCESS;
+}
+
+/**
+ * efi_status_t get_manufacturer_id() - 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;
+}
+
+/**
+ * efi_status_t get_manufacturer_id_buffer_small() - call submit_command with small resp buffer
+ *
+ * @tcg2 tcg2 protocol
+ * @manufacturer_id pointer to the manufacturer_id
+ * @return status code
+ */
+static efi_status_t get_manufacturer_id_buffer_small(struct efi_tcg2_protocol *tcg2)
+{
+ 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[1]; /* set smaller buffer than expected */
+
+ ret = tcg2->submit_command(tcg2, 22, cmd, 1, resp);
+
+ return ret;
+}
+
+/**
+ * efi_status_t read_pcr() - 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;
+ 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);
+
+ 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;
+ }
+
+ boottime->copy_mem(pcrs[idx], &resp[TPM2_PCR_READ_HEADER_SIZE],
+ TPM2_SHA256_DIGEST_SIZE);
+
+ return ret;
+}
+
+/**
+ * int validate_pcrs() - Compare the expected and actual pcrs
+ *
+ * @return status code
+ */
+static int validate_pcrs(void)
+{
+ u32 i;
+
+ /*
+ * - 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
+ * vary depending on the platform.
+ * - Skip PCR[17..22] validation, they are not used in TCG PC Client
+ * Platform Firmware Profile Specification
+ */
+ for (i = 1; i < (EFI_TCG2_MAX_PCR_INDEX + 1); i++) {
+ if (i == 7 || (i > 16 && i < 23))
+ continue; /* skip validation */
+
+ if (memcmp(pcrs[i], expected_pcrs[i], TPM2_SHA256_DIGEST_SIZE)) {
+ efi_st_error("PCR[%d] is not the expected value\n", i);
+ return EFI_ST_FAILURE;
+ }
+ }
return EFI_ST_SUCCESS;
}
@@ -31,7 +811,8 @@ 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 +821,22 @@ 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 +855,161 @@ 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_buffer_small(tcg2);
+ if (ret != EFI_OUT_OF_RESOURCES) {
+ efi_st_error("get_manufacturer_id buffer too small failed\n");
+ return EFI_ST_FAILURE;
+ }
+
+ 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;
}
+/*
+ * efi_st_tcg2_teardown() - 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,
+ .on_request = true,
};
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-28 08:22:27 +0000