return ret;
}
-static bool get_dc_name_via_netlogon(struct winbindd_domain *domain,
- fstring dcname,
- struct sockaddr_storage *dc_ss,
- uint32_t request_flags)
-{
- struct winbindd_domain *our_domain = NULL;
- struct rpc_pipe_client *netlogon_pipe = NULL;
- NTSTATUS result;
- WERROR werr;
- TALLOC_CTX *mem_ctx;
- unsigned int orig_timeout;
- const char *tmp = NULL;
- const char *p;
- struct dcerpc_binding_handle *b;
-
- /* Hmmmm. We can only open one connection to the NETLOGON pipe at the
- * moment.... */
-
- if (IS_DC) {
- return False;
- }
-
- if (domain->primary) {
- return False;
- }
-
- our_domain = find_our_domain();
-
- if ((mem_ctx = talloc_init("get_dc_name_via_netlogon")) == NULL) {
- return False;
- }
-
- result = cm_connect_netlogon(our_domain, &netlogon_pipe);
- if (!NT_STATUS_IS_OK(result)) {
- talloc_destroy(mem_ctx);
- return False;
- }
-
- b = netlogon_pipe->binding_handle;
-
- /* This call can take a long time - allow the server to time out.
- 35 seconds should do it. */
-
- orig_timeout = rpccli_set_timeout(netlogon_pipe, 35000);
-
- if (our_domain->active_directory) {
- struct netr_DsRGetDCNameInfo *domain_info = NULL;
-
- /*
- * TODO request flags are not respected in the server
- * (and in some cases, like REQUIRE_PDC, causes an error)
- */
- result = dcerpc_netr_DsRGetDCName(b,
- mem_ctx,
- our_domain->dcname,
- domain->name,
- NULL,
- NULL,
- request_flags|DS_RETURN_DNS_NAME,
- &domain_info,
- &werr);
- if (NT_STATUS_IS_OK(result) && W_ERROR_IS_OK(werr)) {
- tmp = talloc_strdup(
- mem_ctx, domain_info->dc_unc);
- if (tmp == NULL) {
- DBG_ERR("talloc_strdup failed for dc_unc[%s]\n",
- domain_info->dc_unc);
- talloc_destroy(mem_ctx);
- return false;
- }
- if (domain->alt_name == NULL) {
- domain->alt_name = talloc_strdup(domain,
- domain_info->domain_name);
- if (domain->alt_name == NULL) {
- DBG_ERR("talloc_strdup failed for "
- "domain_info->domain_name[%s]\n",
- domain_info->domain_name);
- talloc_destroy(mem_ctx);
- return false;
- }
- }
- if (domain->forest_name == NULL) {
- domain->forest_name = talloc_strdup(domain,
- domain_info->forest_name);
- if (domain->forest_name == NULL) {
- DBG_ERR("talloc_strdup failed for "
- "domain_info->forest_name[%s]\n",
- domain_info->forest_name);
- talloc_destroy(mem_ctx);
- return false;
- }
- }
- }
- } else {
- result = dcerpc_netr_GetAnyDCName(b, mem_ctx,
- our_domain->dcname,
- domain->name,
- &tmp,
- &werr);
- }
-
- /* And restore our original timeout. */
- rpccli_set_timeout(netlogon_pipe, orig_timeout);
-
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(10,("dcerpc_netr_GetAnyDCName failed: %s\n",
- nt_errstr(result)));
- talloc_destroy(mem_ctx);
- return false;
- }
-
- if (!W_ERROR_IS_OK(werr)) {
- DEBUG(10,("dcerpc_netr_GetAnyDCName failed: %s\n",
- win_errstr(werr)));
- talloc_destroy(mem_ctx);
- return false;
- }
-
- /* dcerpc_netr_GetAnyDCName gives us a name with \\ */
- p = strip_hostname(tmp);
-
- fstrcpy(dcname, p);
-
- talloc_destroy(mem_ctx);
-
- DEBUG(10,("dcerpc_netr_GetAnyDCName returned %s\n", dcname));
-
- if (!resolve_name(dcname, dc_ss, 0x20, true)) {
- return False;
- }
-
- return True;
-}
-
/**
* Helper function to assemble trust password and account name
*/
struct samba_sockaddr *sa_list = NULL;
size_t salist_size = 0;
size_t i;
- bool is_our_domain;
enum security_types sec = (enum security_types)lp_security();
- is_our_domain = strequal(domain->name, lp_workgroup());
-
- /* If not our domain, get the preferred DC, by asking our primary DC */
- if ( !is_our_domain
- && get_dc_name_via_netlogon(domain, dcname, &ss, request_flags)
- && add_one_dc_unique(mem_ctx, domain->name, dcname, &ss, dcs,
- num_dcs) )
- {
- char addr[INET6_ADDRSTRLEN];
- print_sockaddr(addr, sizeof(addr), &ss);
- DEBUG(10, ("Retrieved DC %s at %s via netlogon\n",
- dcname, addr));
- return True;
- }
-
if ((sec == SEC_ADS) && (domain->alt_name != NULL)) {
char *sitename = NULL;
NTSTATUS _wbint_DsGetDcName(struct pipes_struct *p, struct wbint_DsGetDcName *r)
{
- struct winbindd_domain *domain = wb_child_domain();
- struct rpc_pipe_client *netlogon_pipe;
- struct netr_DsRGetDCNameInfo *dc_info;
- NTSTATUS status;
- WERROR werr;
- unsigned int orig_timeout;
- struct dcerpc_binding_handle *b;
- bool retry = false;
- bool try_dsrgetdcname = false;
-
- if (domain == NULL) {
- return dsgetdcname(p->mem_ctx, global_messaging_context(),
- r->in.domain_name, r->in.domain_guid,
- r->in.site_name ? r->in.site_name : "",
- r->in.flags,
- r->out.dc_info);
- }
-
- if (domain->active_directory) {
- try_dsrgetdcname = true;
- }
-
-reconnect:
- status = cm_connect_netlogon(domain, &netlogon_pipe);
-
- reset_cm_connection_on_error(domain, NULL, status);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("Can't contact the NETLOGON pipe\n"));
- return status;
- }
-
- b = netlogon_pipe->binding_handle;
-
- /* This call can take a long time - allow the server to time out.
- 35 seconds should do it. */
-
- orig_timeout = rpccli_set_timeout(netlogon_pipe, 35000);
-
- if (try_dsrgetdcname) {
- status = dcerpc_netr_DsRGetDCName(b,
- p->mem_ctx, domain->dcname,
- r->in.domain_name, NULL, r->in.domain_guid,
- r->in.flags, r->out.dc_info, &werr);
- if (NT_STATUS_IS_OK(status) && W_ERROR_IS_OK(werr)) {
- goto done;
- }
- if (!retry &&
- reset_cm_connection_on_error(domain, NULL, status))
- {
- retry = true;
- goto reconnect;
- }
- try_dsrgetdcname = false;
- retry = false;
- }
-
- /*
- * Fallback to less capable methods
- */
-
- dc_info = talloc_zero(r->out.dc_info, struct netr_DsRGetDCNameInfo);
- if (dc_info == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto done;
- }
-
- if (r->in.flags & DS_PDC_REQUIRED) {
- status = dcerpc_netr_GetDcName(b,
- p->mem_ctx, domain->dcname,
- r->in.domain_name, &dc_info->dc_unc, &werr);
- } else {
- status = dcerpc_netr_GetAnyDCName(b,
- p->mem_ctx, domain->dcname,
- r->in.domain_name, &dc_info->dc_unc, &werr);
- }
-
- if (!retry && reset_cm_connection_on_error(domain, b, status)) {
- retry = true;
- goto reconnect;
- }
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("dcerpc_netr_Get[Any]DCName failed: %s\n",
- nt_errstr(status)));
- goto done;
- }
- if (!W_ERROR_IS_OK(werr)) {
- DEBUG(10, ("dcerpc_netr_Get[Any]DCName failed: %s\n",
- win_errstr(werr)));
- status = werror_to_ntstatus(werr);
- goto done;
- }
-
- *r->out.dc_info = dc_info;
- status = NT_STATUS_OK;
-
-done:
- /* And restore our original timeout. */
- rpccli_set_timeout(netlogon_pipe, orig_timeout);
-
- return status;
+ return dsgetdcname(p->mem_ctx, global_messaging_context(),
+ r->in.domain_name, r->in.domain_guid,
+ r->in.site_name ? r->in.site_name : "",
+ r->in.flags,
+ r->out.dc_info);
}
NTSTATUS _wbint_LookupRids(struct pipes_struct *p, struct wbint_LookupRids *r)