diff options
Diffstat (limited to 'src/shared/tpm2-event-log.c')
| -rw-r--r-- | src/shared/tpm2-event-log.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/shared/tpm2-event-log.c b/src/shared/tpm2-event-log.c new file mode 100644 index 0000000..2e23846 --- /dev/null +++ b/src/shared/tpm2-event-log.c @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "tpm2-event-log.h" + +#include "sort-util.h" + +typedef struct tpm2_log_event_type_info { + uint32_t event_type; + const char *name; +} tpm2_log_event_type_info; + +static tpm2_log_event_type_info tpm2_log_event_type_table[] = { + /* Unfortunately the types are defined all over the place, hence we are not using a dense table + * here. + * + * Keep this sorted by event type, so that we can do bisection! */ + { EV_PREBOOT_CERT, "preboot-cert" }, + { EV_POST_CODE, "post-code" }, + { EV_NO_ACTION, "no-action" }, + { EV_SEPARATOR, "separator" }, + { EV_ACTION, "action" }, + { EV_EVENT_TAG, "event-tag" }, + { EV_S_CRTM_CONTENTS, "s-crtm-contents" }, + { EV_S_CRTM_VERSION, "s-crtm-version" }, + { EV_CPU_MICROCODE, "cpu-microcode" }, + { EV_PLATFORM_CONFIG_FLAGS, "platform-config-flags" }, + { EV_TABLE_OF_DEVICES, "table-of-devices" }, + { EV_COMPACT_HASH, "compact-hash" }, + { EV_IPL, "ipl" }, + { EV_IPL_PARTITION_DATA, "ipl-partition-data" }, + { EV_NONHOST_CODE, "nonhost-code" }, + { EV_NONHOST_CONFIG, "nonhost-config" }, + { EV_NONHOST_INFO, "nonhost-info" }, + { EV_OMIT_BOOT_DEVICE_EVENTS, "omit-boot-device-events" }, + /* omitting EV_EFI_EVENT_BASE, since its not an event, but just a base value for other events */ + { EV_EFI_VARIABLE_DRIVER_CONFIG, "efi-variable-driver-config" }, + { EV_EFI_VARIABLE_BOOT, "efi-variable-boot" }, + { EV_EFI_BOOT_SERVICES_APPLICATION, "efi-boot-services-application" }, + { EV_EFI_BOOT_SERVICES_DRIVER, "efi-boot-services-driver" }, + { EV_EFI_RUNTIME_SERVICES_DRIVER, "efi-runtime-services-driver" }, + { EV_EFI_GPT_EVENT, "efi-gpt-event" }, + { EV_EFI_ACTION, "efi-action" }, + { EV_EFI_PLATFORM_FIRMWARE_BLOB, "efi-platform-firmware-blob" }, + { EV_EFI_HANDOFF_TABLES, "efi-handoff-tables" }, + { EV_EFI_PLATFORM_FIRMWARE_BLOB2, "efi-platform-firmware-blob2" }, + { EV_EFI_HANDOFF_TABLES2, "efi-handoff-tables" }, + { EV_EFI_VARIABLE_BOOT2, "efi-variable-boot2" }, + { EV_EFI_HCRTM_EVENT, "efi-hcrtm-event" }, + { EV_EFI_VARIABLE_AUTHORITY, "efi-variable-authority" }, + { EV_EFI_SPDM_FIRMWARE_BLOB, "efi-spdm-firmware-blob" }, + { EV_EFI_SPDM_FIRMWARE_CONFIG, "efi-spdm-firmware-config" }, +}; + +static int tpm2_log_event_type_info_cmp(const tpm2_log_event_type_info *a, const tpm2_log_event_type_info *b) { + return CMP(ASSERT_PTR(a)->event_type, ASSERT_PTR(b)->event_type); +} + +const char *tpm2_log_event_type_to_string(uint32_t type) { + + tpm2_log_event_type_info *found, key = { + .event_type = type, + }; + + found = typesafe_bsearch(&key, tpm2_log_event_type_table, ELEMENTSOF(tpm2_log_event_type_table), tpm2_log_event_type_info_cmp); + + return found ? found->name : NULL; +} |