/*
* See if a zone transfer is allowed
*/
isc_result_t
dlz_allowzonexfr(void *dbdata, const char *name, const char *client) {
isc_result_t result;
bdbhpt_instance_t *db = (bdbhpt_instance_t *) dbdata;
DBT key, data;
/* check to see if we are authoritative for the zone first. */
#if DLZ_DLOPEN_VERSION >= 3
result = dlz_findzonedb(dbdata, name, NULL, NULL);
#else
result = dlz_findzonedb(dbdata, name);
#endif
if (result != ISC_R_SUCCESS)
return (ISC_R_NOTFOUND);
memset(&key, 0, sizeof(DBT));
key.flags = DB_DBT_MALLOC;
key.data = strdup(name);
if (key.data == NULL) {
result = ISC_R_NOMEMORY;
goto xfr_cleanup;
}
key.size = strlen(key.data);
memset(&data, 0, sizeof(DBT));
data.flags = DB_DBT_MALLOC;
data.data = strdup(client);
if (data.data == NULL) {
result = ISC_R_NOMEMORY;
goto xfr_cleanup;
}
data.size = strlen(data.data);
switch(db->client->get(db->client, NULL, &key, &data, DB_GET_BOTH)) {
case DB_NOTFOUND:
result = ISC_R_NOTFOUND;
break;
case 0:
result = ISC_R_SUCCESS;
break;
default:
result = ISC_R_FAILURE;
}
xfr_cleanup:
/* free any memory duplicate string in the key field */
if (key.data != NULL)
free(key.data);
/* free any memory allocated to the data field. */
if (data.data != NULL)
free(data.data);
return result;
}
/*
* See if a zone transfer is allowed
*/
isc_result_t
dlz_allowzonexfr(void *dbdata, const char *name, const char *client) {
UNUSED(client);
/* Just say yes for all our zones */
return (dlz_findzonedb(dbdata, name));
}
/*
* DLZ methods
*/
isc_result_t
dlz_allowzonexfr(void *dbdata, const char *name, const char *client) {
isc_result_t result;
/* check to see if we are authoritative for the zone first */
#if DLZ_DLOPEN_VERSION < 3
result = dlz_findzonedb(dbdata, name);
#else
result = dlz_findzonedb(dbdata, name, NULL, NULL);
#endif
if (result != ISC_R_SUCCESS) {
return (result);
}
/* get all the zone data */
result = ldap_get_results(name, NULL, client, ALLOWXFR, dbdata, NULL);
return (result);
}
/*% Determine if the client is allowed to perform a zone transfer */
isc_result_t
dlz_allowzonexfr(void *dbdata, const char *name, const char *client) {
isc_result_t result;
mysql_instance_t *db = (mysql_instance_t *)dbdata;
MYSQL_RES *rs = NULL;
my_ulonglong rows;
/* first check if the zone is supported by the database. */
result = dlz_findzonedb(dbdata, name, NULL, NULL);
if (result != ISC_R_SUCCESS)
return (ISC_R_NOTFOUND);
/*
* if we get to this point we know the zone is supported by
* the database the only questions now are is the zone
* transfer is allowed for this client and did the config file
* have an allow zone xfr query.
*/
result = mysql_get_resultset(name, NULL, client, ALLOWXFR,
dbdata, &rs);
if (result == ISC_R_NOTIMPLEMENTED)
return (result);
if (result != ISC_R_SUCCESS || rs == NULL) {
if (rs != NULL)
mysql_free_result(rs);
db->log(ISC_LOG_ERROR,
"MySQL module unable to return "
"result set for allow xfr query");
return (ISC_R_FAILURE);
}
/*
* count how many rows in result set; if we returned any,
* zone xfr is allowed.
*/
rows = mysql_num_rows(rs);
mysql_free_result(rs);
if (rows > 0)
return (ISC_R_SUCCESS);
return (ISC_R_NOPERM);
}
/*
see if a zone transfer is allowed
*/
_PUBLIC_ isc_result_t dlz_allowzonexfr(void *dbdata, const char *name, const char *client)
{
/* just say yes for all our zones for now */
return dlz_findzonedb(dbdata, name);
}
