diff options
Diffstat (limited to 'src/libpts/pts/pts.c')
| -rw-r--r-- | src/libpts/pts/pts.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/libpts/pts/pts.c b/src/libpts/pts/pts.c index 0f850f292..1178a0f90 100644 --- a/src/libpts/pts/pts.c +++ b/src/libpts/pts/pts.c @@ -984,6 +984,45 @@ static u_int32_t get_max_pcr_index(private_pts_t *this) return ret; } +METHOD(pts_t, does_pcr_value_match, bool, + private_pts_t *this, chunk_t pcr_after_value) +{ + linked_list_t *entries; + enumerator_t *e; + pcr_entry_t *pcr_entry; + bool match_found = FALSE; + + if (!load_pcr_entries(&entries)) + { + DBG1(DBG_PTS, "failed to load PCR entries"); + return FALSE; + } + + e = entries->create_enumerator(entries); + while (e->enumerate(e, &pcr_entry)) + { + if (chunk_equals(chunk_create(pcr_entry->pcr_value, PCR_LEN), pcr_after_value)) + { + DBG1(DBG_PTS, "PCR %d value matched with configured value", + pcr_entry->pcr_number); + match_found = TRUE; + break; + } + } + + DESTROY_IF(e); + DESTROY_IF(entries); + free(pcr_entry); + + if (match_found) + { + return TRUE; + } + + DBG1(DBG_PTS, "PCR after value didn't match with any of the configured values"); + return FALSE; +} + /** * 1. build a TCPA_PCR_COMPOSITE structure which contains (pcrCompositeBuf) * TCPA_PCR_SELECTION structure (bitmask length + bitmask) @@ -1045,6 +1084,7 @@ METHOD(pts_t, get_quote_info, bool, u_int32_t index = pcr_entry->pcr_number; mask_bytes[index / 8] |= (1 << (index % 8)); } + e->destroy(e); for (i = 0; i< bitmask_len ; i++) |