static NTSTATUS process_dc_dns(TALLOC_CTX *mem_ctx,
const char *domain_name,
uint32_t flags,
struct ip_service_name *dclist,
int num_dcs,
struct netr_DsRGetDCNameInfo **info)
{
int i = 0;
bool valid_dc = false;
struct netlogon_samlogon_response *r = NULL;
uint32_t nt_version = NETLOGON_NT_VERSION_5 |
NETLOGON_NT_VERSION_5EX;
uint32_t ret_flags = 0;
NTSTATUS status;
nt_version |= map_ds_flags_to_nt_version(flags);
for (i=0; i<num_dcs; i++) {
char addr[INET6_ADDRSTRLEN];
print_sockaddr(addr, sizeof(addr), &dclist[i].ss);
DEBUG(10,("LDAP ping to %s (%s)\n", dclist[i].hostname, addr));
if (ads_cldap_netlogon(mem_ctx, &dclist[i].ss,
domain_name,
nt_version,
&r))
{
nt_version = r->ntver;
ret_flags = get_cldap_reply_server_flags(r, nt_version);
if (check_cldap_reply_required_flags(ret_flags, flags)) {
valid_dc = true;
break;
}
}
continue;
}
if (!valid_dc) {
return NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
}
status = make_dc_info_from_cldap_reply(mem_ctx, flags, &dclist[i].ss,
&r->data.nt5_ex, info);
if (NT_STATUS_IS_OK(status)) {
return store_cldap_reply(mem_ctx, flags, &dclist[i].ss,
nt_version, &r->data.nt5_ex);
}
return status;
}
static NTSTATUS dsgetdcname_cache_fetch(TALLOC_CTX *mem_ctx,
const char *domain_name,
struct GUID *domain_guid,
uint32_t flags,
const char *site_name,
struct netr_DsRGetDCNameInfo **info_p,
bool *expired)
{
char *key;
DATA_BLOB blob;
enum ndr_err_code ndr_err;
struct netr_DsRGetDCNameInfo *info;
struct NETLOGON_SAM_LOGON_RESPONSE_EX r;
NTSTATUS status;
if (!gencache_init()) {
return NT_STATUS_INTERNAL_DB_ERROR;
}
key = dsgetdcname_cache_key(mem_ctx, domain_name);
if (!key) {
return NT_STATUS_NO_MEMORY;
}
if (!gencache_get_data_blob(key, &blob, expired)) {
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
info = TALLOC_ZERO_P(mem_ctx, struct netr_DsRGetDCNameInfo);
if (!info) {
return NT_STATUS_NO_MEMORY;
}
ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, &r,
(ndr_pull_flags_fn_t)ndr_pull_NETLOGON_SAM_LOGON_RESPONSE_EX);
data_blob_free(&blob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
dsgetdcname_cache_delete(mem_ctx, domain_name);
return ndr_map_error2ntstatus(ndr_err);
}
status = make_dc_info_from_cldap_reply(mem_ctx, flags, NULL,
&r, &info);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
if (DEBUGLEVEL >= 10) {
NDR_PRINT_DEBUG(netr_DsRGetDCNameInfo, info);
}
/* check flags */
if (!check_cldap_reply_required_flags(info->dc_flags, flags)) {
DEBUG(10,("invalid flags\n"));
return NT_STATUS_INVALID_PARAMETER;
}
if ((flags & DS_IP_REQUIRED) &&
(info->dc_address_type != DS_ADDRESS_TYPE_INET)) {
return NT_STATUS_INVALID_PARAMETER_MIX;
}
*info_p = info;
return NT_STATUS_OK;
}
