Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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;
+}