diff options
Diffstat (limited to 'service_provider.c')
| -rw-r--r-- | service_provider.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/service_provider.c b/service_provider.c index 77edb2a..01235e0 100644 --- a/service_provider.c +++ b/service_provider.c @@ -738,6 +738,8 @@ struct tm_request sp_createfile(struct service_provider *sp, } else { + /* NOTE: this relies on files being created with a sequential + * numbering; this can be changed if needed. */ /* we must insert a placeholder node; first find the index of * the leaf that loops around to 1 */ i = sp->next_fileidx - 1; @@ -749,6 +751,8 @@ struct tm_request sp_createfile(struct service_provider *sp, } /* generate EQ certificate */ + /* if we assigned indices in a random order we'd have to use + * iomt_find_encloser for this. */ hash_t hmac; struct tm_cert eq = cert_eq(sp, iomt_getleaf(sp->iomt, i - 1), @@ -763,6 +767,8 @@ struct tm_request sp_createfile(struct service_provider *sp, /* next_idx is set to 1 to keep everything circularly linked; * in the next iteration it will be updated to point to the * next node, if any */ + /* for random indices, recall the encloser's old next index, + * and use that here */ iomt_update_leaf_full(sp->iomt, i, i + 1, 1, hash_null); assert(tm_set_equiv_root(sp->tm, &eq, hmac)); |