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-rw-r--r--src/shared/tpm2-event-log.h139
1 files changed, 139 insertions, 0 deletions
diff --git a/src/shared/tpm2-event-log.h b/src/shared/tpm2-event-log.h
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--- /dev/null
+++ b/src/shared/tpm2-event-log.h
@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <uchar.h>
+
+#include "tpm2-util.h"
+
+/* Definitions as per "TCG PC Client Specific Platform Firmware Profile Specification"
+ * (https://trustedcomputinggroup.org/resource/pc-client-specific-platform-firmware-profile-specification/),
+ * section 10.4.1 "Event Types" (at least in version 1.05 Revision 23 of the spec) */
+#ifndef EV_PREBOOT_CERT
+#define EV_PREBOOT_CERT UINT32_C(0x00000000)
+#define EV_POST_CODE UINT32_C(0x00000001)
+#define EV_NO_ACTION UINT32_C(0x00000003)
+#define EV_SEPARATOR UINT32_C(0x00000004)
+#define EV_ACTION UINT32_C(0x00000005)
+#define EV_EVENT_TAG UINT32_C(0x00000006)
+#define EV_S_CRTM_CONTENTS UINT32_C(0x00000007)
+#define EV_S_CRTM_VERSION UINT32_C(0x00000008)
+#define EV_CPU_MICROCODE UINT32_C(0x00000009)
+#define EV_PLATFORM_CONFIG_FLAGS UINT32_C(0x0000000a)
+#define EV_TABLE_OF_DEVICES UINT32_C(0x0000000b)
+#define EV_COMPACT_HASH UINT32_C(0x0000000c)
+#define EV_IPL UINT32_C(0x0000000d)
+#define EV_IPL_PARTITION_DATA UINT32_C(0x0000000e)
+#define EV_NONHOST_CODE UINT32_C(0x0000000f)
+#define EV_NONHOST_CONFIG UINT32_C(0x00000010)
+#define EV_NONHOST_INFO UINT32_C(0x00000011)
+#define EV_OMIT_BOOT_DEVICE_EVENTS UINT32_C(0x00000012)
+#define EV_EFI_EVENT_BASE UINT32_C(0x80000000)
+#define EV_EFI_VARIABLE_DRIVER_CONFIG UINT32_C(0x80000001)
+#define EV_EFI_VARIABLE_BOOT UINT32_C(0x80000002)
+#define EV_EFI_BOOT_SERVICES_APPLICATION UINT32_C(0x80000003)
+#define EV_EFI_BOOT_SERVICES_DRIVER UINT32_C(0x80000004)
+#define EV_EFI_RUNTIME_SERVICES_DRIVER UINT32_C(0x80000005)
+#define EV_EFI_GPT_EVENT UINT32_C(0x80000006)
+#define EV_EFI_ACTION UINT32_C(0x80000007)
+#define EV_EFI_PLATFORM_FIRMWARE_BLOB UINT32_C(0x80000008)
+#define EV_EFI_HANDOFF_TABLES UINT32_C(0x80000009)
+#define EV_EFI_PLATFORM_FIRMWARE_BLOB2 UINT32_C(0x8000000A)
+#define EV_EFI_HANDOFF_TABLES2 UINT32_C(0x8000000B)
+#define EV_EFI_VARIABLE_BOOT2 UINT32_C(0x8000000C)
+#define EV_EFI_HCRTM_EVENT UINT32_C(0x80000010)
+#define EV_EFI_VARIABLE_AUTHORITY UINT32_C(0x800000E0)
+#define EV_EFI_SPDM_FIRMWARE_BLOB UINT32_C(0x800000E1)
+#define EV_EFI_SPDM_FIRMWARE_CONFIG UINT32_C(0x800000E2)
+#endif
+
+/* Defined in drivers/firmware/efi/libstub/efistub.h in the Linux kernel sources */
+#ifndef INITRD_EVENT_TAG_ID
+#define INITRD_EVENT_TAG_ID UINT32_C(0x8F3B22EC)
+#endif
+
+#ifndef LOAD_OPTIONS_EVENT_TAG_ID
+#define LOAD_OPTIONS_EVENT_TAG_ID UINT32_C(0x8F3B22ED)
+#endif
+
+const char *tpm2_log_event_type_to_string(uint32_t type) _const_;
+
+#if HAVE_TPM2
+
+/* UEFI event log data structures */
+typedef struct _packed_ TCG_PCClientPCREvent {
+ uint32_t pcrIndex;
+ uint32_t eventType;
+ uint8_t digest[20];
+ uint32_t eventDataSize;
+ uint32_t event[];
+} TCG_PCClientPCREvent;
+
+typedef struct _packed_ packed_TPMT_HA {
+ uint16_t hashAlg;
+ TPMU_HA digest;
+} packed_TPMT_HA;
+
+typedef struct _packed_ packed_TPML_DIGEST_VALUES {
+ uint32_t count;
+ packed_TPMT_HA digests[];
+} packed_TPML_DIGEST_VALUES;
+
+typedef struct _packed_ TCG_PCR_EVENT2 {
+ uint32_t pcrIndex;
+ uint32_t eventType;
+ packed_TPML_DIGEST_VALUES digests;
+ /* … */
+} TCG_PCR_EVENT2;
+
+typedef struct _packed_ TCG_EfiSpecIdEventAlgorithmSize {
+ uint16_t algorithmId;
+ uint16_t digestSize;
+} TCG_EfiSpecIdEventAlgorithmSize;
+
+typedef struct _packed_ tdTCG_EfiSpecIdEvent {
+ uint8_t signature[16];
+ uint32_t platformClass;
+ uint8_t specVersionMinor;
+ uint8_t specVersionMajor;
+ uint8_t specErrata;
+ uint8_t uintnSize;
+ uint32_t numberOfAlgorithms;
+ TCG_EfiSpecIdEventAlgorithmSize digestSizes[];
+ /* … */
+} TCG_EfiSpecIDEvent;
+
+typedef struct _packed_ UEFI_VARIABLE_DATA {
+ uint8_t variableName[16];
+ uint64_t unicodeNameLength;
+ uint64_t variableDataLength;
+ char16_t unicodeName[];
+ /* … */
+} UEFI_VARIABLE_DATA;
+
+typedef struct _packed_ TCG_PCClientTaggedEvent{
+ uint32_t taggedEventID;
+ uint32_t taggedEventDataSize;
+ uint8_t taggedEventData[];
+} TCG_PCClientTaggedEvent;
+
+typedef struct _packed_ packed_EFI_DEVICE_PATH {
+ uint8_t type;
+ uint8_t subType;
+ uint16_t length;
+ uint8_t path[];
+} packed_EFI_DEVICE_PATH;
+
+typedef struct _packed_ UEFI_IMAGE_LOAD_EVENT {
+ uint64_t imageLocationInMemory;
+ uint64_t imageLengthInMemory;
+ uint64_t imageLinkTimeAddress;
+ uint64_t lengthOfDevicePath;
+ packed_EFI_DEVICE_PATH devicePath[];
+} UEFI_IMAGE_LOAD_EVENT;
+
+typedef struct _packed_ UEFI_PLATFORM_FIRMWARE_BLOB {
+ uint64_t blobBase;
+ uint64_t blobLength;
+} UEFI_PLATFORM_FIRMWARE_BLOB;
+
+#endif