void
nsec3_load_destroy(nsec3_load_context *context)
{
for(int i = 0; i <= ptr_vector_last_index(&context->nsec3chain); ++i)
{
nsec3_load_context_chain *chain = (nsec3_load_context_chain*)ptr_vector_get(&context->nsec3chain, i);
nsec3_load_context_chain_delete(chain);
}
if(!ptr_set_avl_isempty(&context->postponed_rrsig))
{
ptr_set_avl_iterator iter;
ptr_set_avl_iterator_init(&context->postponed_rrsig, &iter);
while(ptr_set_avl_iterator_hasnext(&iter))
{
ptr_node *rrsig_node = ptr_set_avl_iterator_next_node(&iter);
u8 *key = (u8*)rrsig_node->key;
if(rrsig_node->key != NULL)
{
ZFREE_ARRAY(rrsig_node->key, key[0] + 1);
}
rrsig_node->key = NULL;
rrsig_node->value = NULL;
}
ptr_set_avl_destroy(&context->postponed_rrsig);
}
context->zone = NULL;
}
void
nsec3_remove_nsec3_by_digest(zdb_zone* zone, const u8 *nsec3_digest, const u8* nsec3_rdata)
{
nsec3_zone* n3 = zone->nsec.nsec3;
while(n3 != NULL)
{
if(nsec3_zone_rdata_compare(n3->rdata, nsec3_rdata) == 0)
{
nsec3_zone_item* item = nsec3_avl_find(&n3->items, nsec3_digest);
if(item != NULL)
{
int depth;
log_debug("nsec3_remove_nsec3_by_name: destroying %{digest32h}", item->digest);
/*
GOT IT : AN NSEC3 RECORD IS REMOVED BY IXFR BUT THE LABEL HAS NOT BEEN CHANGED
I PRESUME IT IS BECAUSE THE AXFR CHAIN IS CHANGED
I NEED A REPLACE FUNCTION, I NEED TO SORT THE IXFR NSEC(3) OPERATIONS
*/
if(item->sc > 0)
{
nsec3_zone_item* prev = nsec3_avl_node_mod_prev(item);
if(prev != NULL)
{
nsec3_move_all_star(item, prev);
}
else
{
nsec3_remove_all_star(item);
}
}
nsec3_remove_all_owners(item);
zassert(item->rc == 0 && item->sc == 0);
ZFREE_ARRAY(item->type_bit_maps, item->type_bit_maps_size);
item->type_bit_maps = NULL;
item->type_bit_maps_size = 0;
nsec3_zone_item_rrsig_delete_all(item);
nsec3_avl_delete(&n3->items, item->digest);
}
break;
}
n3 = n3->next;
}
}
static void
nsec3_free_node(nsec3_zone_item* node)
{
/*
* This assert is wrong because this is actually the payload that has just overwritten our node
* assert(node->rc == 0 && node->sc == 0 && node->label.owners == NULL && node->star_label.owners == NULL & node->type_bit_maps == NULL);
*/
#ifdef DEBUG
yassert((node->rc == 0) && (node->sc == 0));
#endif
u32 node_size = NSEC3_NODE_SIZE(node);
ZFREE_ARRAY(node, node_size);
}
static void
nsec3_load_context_record_delete(nsec3_context_record *r)
{
zdb_packed_ttlrdata *rrsig = r->rrsig;
while(rrsig != NULL)
{
zdb_packed_ttlrdata *next = rrsig->next;
ZDB_RECORD_ZFREE(rrsig);
rrsig = next;
}
size_t digest_len = 1 + r->digest_then_rdata[0];
ZFREE_ARRAY(r, sizeof(nsec3_context_record) + digest_len + r->rdata_size);
}
ya_result
nsec3_load_add_nsec3(nsec3_load_context *context, const u8 *digest, s32 ttl, const u8 *rdata, u16 rdata_size)
{
/*
* Get the right chain from the rdata
* Add the record to the chain
*/
if((rdata_size < 5) || (NSEC3_RDATA_ALGORITHM(rdata) != DNSSEC_DIGEST_TYPE_SHA1))
{
return DNSSEC_ERROR_UNSUPPORTEDDIGESTALGORITHM;
}
nsec3_context_record* nsec3_r = nsec3_load_context_record_new(digest, ttl, rdata, rdata_size);
if(nsec3_r != NULL)
{
nsec3_load_context_chain* chain = nsec3_load_context_get_chain(context, nsec3_r);
nsec3_load_context_chain_add_nsec3(chain, nsec3_r);
context->last_inserted_nsec3 = nsec3_r;
if(!ptr_set_avl_isempty(&context->postponed_rrsig))
{
ptr_node *node = ptr_set_avl_find(&context->postponed_rrsig, nsec3_r->digest_then_rdata);
if(node != NULL)
{
u8 *key = node->key;
nsec3_r->rrsig = (zdb_packed_ttlrdata*)node->value;
ptr_set_avl_delete(&context->postponed_rrsig, nsec3_r->digest_then_rdata);
ZFREE_ARRAY(key, key[0] + 1);
}
}
return SUCCESS;
}
else
{
context->last_inserted_nsec3 = NULL;
return DNSSEC_ERROR_NSEC3_LABELTODIGESTFAILED;
}
}
void
nsec3_remove_nsec3_by_name(zdb_zone* zone, const u8 *nsec3_label, const u8* nsec3_rdata)
{
nsec3_zone* n3 = zone->nsec.nsec3;
while(n3 != NULL)
{
if(nsec3_zone_rdata_compare(n3->rdata, nsec3_rdata) == 0)
{
u8 digest[256];
#ifndef NDEBUG
memset(digest, 0xd1, sizeof(digest));
#endif
ya_result digest_len = base32hex_decode((char*)&nsec3_label[1], nsec3_label[0], &digest[1]);
if(ISOK(digest_len))
{
digest[0] = digest_len;
nsec3_zone_item* item = nsec3_avl_find(&n3->items, digest);
if(item != NULL)
{
int depth;
log_debug("nsec3_remove_nsec3_by_name: destroying %{digest32h}", item->digest);
/*
GOT IT : AN NSEC3 RECORD IS REMOVED BY IXFR BUT THE LABEL HAS NOT BEEN CHANGED
I PRESUME IT IS BECAUSE THE AXFR CHAIN IS CHANGED
I NEED A REPLACE FUNCTION, I NEED TO SORT THE IXFR NSEC(3) OPERATIONS
*/
if(item->sc > 0)
{
nsec3_zone_item* prev = nsec3_avl_node_mod_prev(item);
if(prev != NULL)
{
nsec3_move_all_star(item, prev);
}
else
{
nsec3_remove_all_star(item);
}
}
nsec3_remove_all_owners(item);
zassert(item->rc == 0 && item->sc == 0);
ZFREE_ARRAY(item->type_bit_maps, item->type_bit_maps_size);
item->type_bit_maps = NULL;
item->type_bit_maps_size = 0;
nsec3_zone_item_rrsig_delete_all(item);
nsec3_avl_delete(&n3->items, item->digest);
}
}
break;
}
n3 = n3->next;
}
}
static void
nsec_free_node(AVL_NODE_TYPE* node)
{
ZFREE_ARRAY(node, sizeof (AVL_NODE_TYPE));
}
static void
nsec3_load_context_chain_delete(nsec3_load_context_chain *chain)
{
ptr_vector_free_empties(&chain->nsec3_added, nsec3_load_context_record_delete_void);
ZFREE_ARRAY(chain, sizeof(nsec3_load_context_chain) + chain->nsec3param_rdata_size);
}
