s3:winbind: Convert winbindd_dsgetdcname to the new API

1 files changed, 198 insertions, 0 deletions

diff --git a/source3/winbindd/winbindd_dsgetdcname.c b/source3/winbindd/winbindd_dsgetdcname.c
new file mode 100644
index 0000000000..2c475d8f4e
--- /dev/null
+++ b/source3/winbindd/winbindd_dsgetdcname.c
@@ -0,0 +1,198 @@
+/*
+   Unix SMB/CIFS implementation.
+   async implementation of WINBINDD_DSGETDCNAME
+   Copyright (C) Volker Lendecke 2009
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "winbindd.h"
+#include "librpc/gen_ndr/cli_wbint.h"
+
+struct winbindd_dsgetdcname_state {
+	struct GUID guid;
+	struct netr_DsRGetDCNameInfo *dc_info;
+};
+
+static uint32_t get_dsgetdc_flags(uint32_t wbc_flags);
+static void winbindd_dsgetdcname_done(struct tevent_req *subreq);
+
+struct tevent_req *winbindd_dsgetdcname_send(TALLOC_CTX *mem_ctx,
+					     struct tevent_context *ev,
+					     struct winbindd_cli_state *cli,
+					     struct winbindd_request *request)
+{
+	struct tevent_req *req, *subreq;
+	struct winbindd_child *child;
+	struct winbindd_dsgetdcname_state *state;
+	struct GUID *guid_ptr = NULL;
+	uint32_t ds_flags = 0;
+	NTSTATUS status;
+
+	req = tevent_req_create(mem_ctx, &state,
+				struct winbindd_dsgetdcname_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	request->data.dsgetdcname.domain_name
+		[sizeof(request->data.dsgetdcname.domain_name)-1] = '\0';
+	request->data.dsgetdcname.site_name
+		[sizeof(request->data.dsgetdcname.site_name)-1] = '\0';
+	request->data.dsgetdcname.domain_guid
+		[sizeof(request->data.dsgetdcname.domain_guid)-1] = '\0';
+
+	DEBUG(3, ("[%5lu]: dsgetdcname for %s\n", (unsigned long)cli->pid,
+		  request->data.dsgetdcname.domain_name));
+
+	ds_flags = get_dsgetdc_flags(request->flags);
+
+	status = GUID_from_string(request->data.dsgetdcname.domain_guid,
+				  &state->guid);
+	if (NT_STATUS_IS_OK(status) && !GUID_all_zero(&state->guid)) {
+		guid_ptr = &state->guid;
+	}
+
+	child = locator_child();
+
+	subreq = rpccli_wbint_DsGetDcName_send(
+		state, ev, child->rpccli,
+		request->data.dsgetdcname.domain_name, guid_ptr,
+		request->data.dsgetdcname.site_name,
+		ds_flags, &state->dc_info);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, winbindd_dsgetdcname_done, req);
+	return req;
+}
+
+static void winbindd_dsgetdcname_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct winbindd_dsgetdcname_state *state = tevent_req_data(
+		req, struct winbindd_dsgetdcname_state);
+	NTSTATUS status, result;
+
+	status = rpccli_wbint_DsGetDcName_recv(subreq, state, &result);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) {
+		tevent_req_nterror(req, status);
+		return;
+	}
+	if (!NT_STATUS_IS_OK(result)) {
+		tevent_req_nterror(req, result);
+		return;
+	}
+	tevent_req_done(req);
+}
+
+NTSTATUS winbindd_dsgetdcname_recv(struct tevent_req *req,
+				   struct winbindd_response *response)
+{
+	struct winbindd_dsgetdcname_state *state = tevent_req_data(
+		req, struct winbindd_dsgetdcname_state);
+	char *guid_str;
+	NTSTATUS status;
+
+	if (tevent_req_is_nterror(req, &status)) {
+		DEBUG(5, ("dsgetdcname failed: %s\n", nt_errstr(status)));
+		return status;
+	}
+
+	guid_str = GUID_string(talloc_tos(), &state->dc_info->domain_guid);
+	if (guid_str == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	fstrcpy(response->data.dsgetdcname.dc_unc,
+		state->dc_info->dc_unc);
+	fstrcpy(response->data.dsgetdcname.dc_address,
+		state->dc_info->dc_address);
+	response->data.dsgetdcname.dc_address_type =
+		state->dc_info->dc_address_type;
+	fstrcpy(response->data.dsgetdcname.domain_guid, guid_str);
+	TALLOC_FREE(guid_str);
+	fstrcpy(response->data.dsgetdcname.domain_name,
+		state->dc_info->domain_name);
+	fstrcpy(response->data.dsgetdcname.forest_name,
+		state->dc_info->forest_name);
+	response->data.dsgetdcname.dc_flags = state->dc_info->dc_flags;
+	fstrcpy(response->data.dsgetdcname.dc_site_name,
+		state->dc_info->dc_site_name);
+	fstrcpy(response->data.dsgetdcname.client_site_name,
+		state->dc_info->client_site_name);
+
+	return NT_STATUS_OK;
+}
+
+static uint32_t get_dsgetdc_flags(uint32_t wbc_flags)
+{
+	struct wbc_flag_map {
+		uint32_t wbc_dc_flag;
+		uint32_t ds_dc_flags;
+	} lookup_dc_flags[] = {
+		{ WBC_LOOKUP_DC_FORCE_REDISCOVERY,
+		  DS_FORCE_REDISCOVERY },
+		{ WBC_LOOKUP_DC_DS_REQUIRED,
+		  DS_DIRECTORY_SERVICE_REQUIRED },
+		{ WBC_LOOKUP_DC_DS_PREFERRED,
+		  DS_DIRECTORY_SERVICE_PREFERRED},
+		{ WBC_LOOKUP_DC_GC_SERVER_REQUIRED,
+		  DS_GC_SERVER_REQUIRED },
+		{ WBC_LOOKUP_DC_PDC_REQUIRED,
+		  DS_PDC_REQUIRED},
+		{ WBC_LOOKUP_DC_BACKGROUND_ONLY,
+		  DS_BACKGROUND_ONLY  },
+		{ WBC_LOOKUP_DC_IP_REQUIRED,
+		  DS_IP_REQUIRED },
+		{ WBC_LOOKUP_DC_KDC_REQUIRED,
+		  DS_KDC_REQUIRED },
+		{ WBC_LOOKUP_DC_TIMESERV_REQUIRED,
+		  DS_TIMESERV_REQUIRED },
+		{ WBC_LOOKUP_DC_WRITABLE_REQUIRED,
+		  DS_WRITABLE_REQUIRED },
+		{ WBC_LOOKUP_DC_GOOD_TIMESERV_PREFERRED,
+		  DS_GOOD_TIMESERV_PREFERRED },
+		{ WBC_LOOKUP_DC_AVOID_SELF,
+		  DS_AVOID_SELF },
+		{ WBC_LOOKUP_DC_ONLY_LDAP_NEEDED,
+		  DS_ONLY_LDAP_NEEDED },
+		{ WBC_LOOKUP_DC_IS_FLAT_NAME,
+		  DS_IS_FLAT_NAME },
+		{ WBC_LOOKUP_DC_IS_DNS_NAME,
+		  DS_IS_DNS_NAME },
+		{ WBC_LOOKUP_DC_TRY_NEXTCLOSEST_SITE,
+		  DS_TRY_NEXTCLOSEST_SITE },
+		{ WBC_LOOKUP_DC_DS_6_REQUIRED,
+		  DS_DIRECTORY_SERVICE_6_REQUIRED },
+		{ WBC_LOOKUP_DC_RETURN_DNS_NAME,
+		  DS_RETURN_DNS_NAME },
+		{ WBC_LOOKUP_DC_RETURN_FLAT_NAME,
+		  DS_RETURN_FLAT_NAME }
+	};
+
+	uint32_t ds_flags = 0;
+	int i = 0 ;
+
+	for (i=0; i<ARRAY_SIZE(lookup_dc_flags); i++) {
+		if (wbc_flags & lookup_dc_flags[i].wbc_dc_flag) {
+			ds_flags |= lookup_dc_flags[i].ds_dc_flags;
+		}
+	}
+
+	return ds_flags;
+}