static isc_result_t
insert_helper(dns_rbt_t *rbt, const char *namestr, dns_rbtnode_t **node) {
dns_fixedname_t fname;
dns_name_t *name;
build_name_from_str(namestr, &fname);
name = dns_fixedname_name(&fname);
return (dns_rbt_addnode(rbt, name, node));
}
isc_result_t
dns_keytable_add(dns_keytable_t *keytable, dst_key_t **keyp) {
isc_result_t result;
dns_keynode_t *knode;
dns_rbtnode_t *node;
dns_name_t *keyname;
/*
* Add '*keyp' to 'keytable'.
*/
REQUIRE(VALID_KEYTABLE(keytable));
REQUIRE(keyp != NULL);
keyname = dst_key_name(*keyp);
knode = isc_mem_get(keytable->mctx, sizeof(*knode));
if (knode == NULL)
return (ISC_R_NOMEMORY);
RWLOCK(&keytable->rwlock, isc_rwlocktype_write);
node = NULL;
result = dns_rbt_addnode(keytable->table, keyname, &node);
if (result == ISC_R_SUCCESS || result == ISC_R_EXISTS) {
knode->magic = KEYNODE_MAGIC;
knode->key = *keyp;
knode->next = node->data;
node->data = knode;
*keyp = NULL;
knode = NULL;
result = ISC_R_SUCCESS;
}
RWUNLOCK(&keytable->rwlock, isc_rwlocktype_write);
if (knode != NULL)
isc_mem_put(keytable->mctx, knode, sizeof(*knode));
return (result);
}
static isc_result_t
insert(dns_keytable_t *keytable, isc_boolean_t managed,
dns_name_t *keyname, dst_key_t **keyp)
{
isc_result_t result;
dns_keynode_t *knode = NULL;
dns_rbtnode_t *node;
REQUIRE(keyp == NULL || *keyp != NULL);
REQUIRE(VALID_KEYTABLE(keytable));
result = dns_keynode_create(keytable->mctx, &knode);
if (result != ISC_R_SUCCESS)
return (result);
knode->managed = managed;
RWLOCK(&keytable->rwlock, isc_rwlocktype_write);
node = NULL;
result = dns_rbt_addnode(keytable->table, keyname, &node);
if (keyp != NULL) {
if (result == ISC_R_EXISTS) {
/* Key already in table? */
dns_keynode_t *k;
for (k = node->data; k != NULL; k = k->next) {
if (k->key == NULL) {
k->key = *keyp;
*keyp = NULL; /* transfer ownership */
break;
}
if (dst_key_compare(k->key, *keyp) == ISC_TRUE)
break;
}
if (k == NULL)
result = ISC_R_SUCCESS;
else if (*keyp != NULL)
dst_key_free(keyp);
}
if (result == ISC_R_SUCCESS) {
knode->key = *keyp;
knode->next = node->data;
*keyp = NULL;
}
}
if (result == ISC_R_SUCCESS) {
node->data = knode;
knode = NULL;
}
/* Key was already there? That's the same as a success */
if (result == ISC_R_EXISTS)
result = ISC_R_SUCCESS;
RWUNLOCK(&keytable->rwlock, isc_rwlocktype_write);
if (knode != NULL)
dns_keynode_detach(keytable->mctx, &knode);
return (result);
}