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Diffstat (limited to 'src/pcrlock/pcrlock-firmware.c')
-rw-r--r--src/pcrlock/pcrlock-firmware.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/pcrlock/pcrlock-firmware.c b/src/pcrlock/pcrlock-firmware.c
index 73c68c2..6fd7363 100644
--- a/src/pcrlock/pcrlock-firmware.c
+++ b/src/pcrlock/pcrlock-firmware.c
@@ -100,12 +100,12 @@ int validate_firmware_header(
if (size < (uint64_t) offsetof(TCG_PCClientPCREvent, event) + (uint64_t) h->eventDataSize)
return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Event log too short for TCG_PCClientPCREvent events data.");
- if (h->pcrIndex != 0)
- return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Event log header has unexpected PCR index %" PRIu32, h->pcrIndex);
if (h->eventType != EV_NO_ACTION)
- return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Event log header has unexpected event type 0x%" PRIx32, h->eventType);
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Event log header has unexpected event type 0x%08" PRIx32 ". (Probably not a TPM2 event log?)", h->eventType);
+ if (h->pcrIndex != 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Event log header has unexpected PCR index %" PRIu32 ". (Probably not a TPM2 event log?)", h->pcrIndex);
if (!memeqzero(h->digest, sizeof(h->digest)))
- return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Event log header has unexpected non-zero digest.");
+ return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Event log header has unexpected non-zero digest. (Probably not a TPM2 event log?)");
if (h->eventDataSize < offsetof(TCG_EfiSpecIDEvent, digestSizes))
return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Event log header too short for TCG_EfiSpecIdEvent.");