diff options
Diffstat (limited to 'contrib/unbound/validator/val_neg.c')
| -rw-r--r-- | contrib/unbound/validator/val_neg.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/contrib/unbound/validator/val_neg.c b/contrib/unbound/validator/val_neg.c index ab31f48..a5e687f 100644 --- a/contrib/unbound/validator/val_neg.c +++ b/contrib/unbound/validator/val_neg.c @@ -823,13 +823,22 @@ void neg_insert_data(struct val_neg_cache* neg, (h != zone->nsec3_hash || it != zone->nsec3_iter || slen != zone->nsec3_saltlen || memcmp(zone->nsec3_salt, s, slen) != 0)) { - uint8_t* sa = memdup(s, slen); - if(sa) { + + if(slen > 0) { + uint8_t* sa = memdup(s, slen); + if(sa) { + free(zone->nsec3_salt); + zone->nsec3_salt = sa; + zone->nsec3_saltlen = slen; + zone->nsec3_iter = it; + zone->nsec3_hash = h; + } + } else { free(zone->nsec3_salt); - zone->nsec3_salt = sa; - zone->nsec3_saltlen = slen; - zone->nsec3_hash = h; + zone->nsec3_salt = NULL; + zone->nsec3_saltlen = 0; zone->nsec3_iter = it; + zone->nsec3_hash = h; } } } |
