libwbclient: Separate out the async functions

1 files changed, 835 insertions, 0 deletions

diff --git a/nsswitch/libwbclient/wbc_util_async.c b/nsswitch/libwbclient/wbc_util_async.c
new file mode 100644
index 00000000000..eb7fb040ceb
--- /dev/null
+++ b/nsswitch/libwbclient/wbc_util_async.c
@@ -0,0 +1,835 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind client API
+
+   Copyright (C) 2009,2010 Kai Blin  <kai@samba.org>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* Required Headers */
+
+#include "replace.h"
+#include "libwbclient.h"
+
+struct wbc_ping_state {
+	struct winbindd_request req;
+};
+
+static void wbcPing_done(struct tevent_req *subreq);
+
+/** @brief Ping winbind to see if the service is up and running
+ *
+ * @param mem_ctx	talloc context to allocate the request from
+ * @param ev		event context to use for async operation
+ * @param wb_ctx	winbind context to use
+ *
+ * @return Async request on successful dispatch of the request, NULL on error
+ */
+
+struct tevent_req *wbcPing_send(TALLOC_CTX *mem_ctx,
+				struct tevent_context *ev,
+				struct wb_context *wb_ctx)
+{
+	struct tevent_req *req, *subreq;
+	struct wbc_ping_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct wbc_ping_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	ZERO_STRUCT(state->req);
+
+	state->req.cmd = WINBINDD_PING;
+	subreq = wb_trans_send(state, ev, wb_ctx, false, &state->req);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	tevent_req_set_callback(subreq, wbcPing_done, req);
+	return req;
+}
+
+static void wbcPing_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+			subreq, struct tevent_req);
+	struct wbc_ping_state *state = tevent_req_data(
+			req, struct wbc_ping_state);
+	struct winbindd_response *resp;
+	wbcErr wbc_status;
+
+	wbc_status = wb_trans_recv(subreq, state, &resp);
+	TALLOC_FREE(subreq);
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+	TALLOC_FREE(resp);
+
+	tevent_req_done(req);
+}
+
+/** @brief Receive ping response from winbind
+ *
+ * @param req		async request sent in #wbcPing_send
+ *
+ * @return NT_STATUS_OK on success, an error status on error.
+ */
+
+wbcErr wbcPing_recv(struct tevent_req *req)
+{
+	wbcErr wbc_status;
+
+	if (tevent_req_is_wbcerr(req, &wbc_status)) {
+		tevent_req_received(req);
+		return wbc_status;
+	}
+
+	tevent_req_received(req);
+	return WBC_ERR_SUCCESS;
+}
+
+
+struct wbc_interface_version_state {
+	struct winbindd_request req;
+	uint32_t version;
+};
+
+static void wbcInterfaceVersion_done(struct tevent_req *subreq);
+
+/**
+ * @brief Request the interface version from winbind
+ *
+ * @param mem_ctx	talloc context to allocate memory from
+ * @param ev		tevent context to use for async requests
+ * @param wb_ctx	winbind context
+ *
+ * @return tevevt_req on success, NULL on failure
+ */
+
+struct tevent_req *wbcInterfaceVersion_send(TALLOC_CTX *mem_ctx,
+					    struct tevent_context *ev,
+					    struct wb_context *wb_ctx)
+{
+	struct tevent_req *req, *subreq;
+	struct wbc_interface_version_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct wbc_interface_version_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	ZERO_STRUCT(state->req);
+	state->req.cmd = WINBINDD_INTERFACE_VERSION;
+
+	subreq = wb_trans_send(state, ev, wb_ctx, false, &state->req);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	tevent_req_set_callback(subreq, wbcInterfaceVersion_done, req);
+
+	return req;
+}
+
+static void wbcInterfaceVersion_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+			subreq, struct tevent_req);
+	struct wbc_interface_version_state *state = tevent_req_data(
+			req, struct wbc_interface_version_state);
+	struct winbindd_response *resp;
+	wbcErr wbc_status;
+
+	wbc_status = wb_trans_recv(subreq, state, &resp);
+	TALLOC_FREE(subreq);
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+	state->version = resp->data.interface_version;
+	TALLOC_FREE(resp);
+
+	tevent_req_done(req);
+}
+
+/**
+ * @brief Receive the winbind interface version
+ *
+ * @param req			tevent_req containing the request
+ * @param interface_version	pointer to uint32_t to hold the interface
+ * 				version
+ *
+ * @return #wbcErr
+ */
+
+wbcErr wbcInterfaceVersion_recv(struct tevent_req *req,
+			        uint32_t *interface_version)
+{
+	struct wbc_interface_version_state *state = tevent_req_data(
+			req, struct wbc_interface_version_state);
+	wbcErr wbc_status;
+
+	if (tevent_req_is_wbcerr(req, &wbc_status)) {
+		tevent_req_received(req);
+		return wbc_status;
+	}
+
+	*interface_version = state->version;
+
+	tevent_req_received(req);
+	return WBC_ERR_SUCCESS;
+}
+
+struct wbc_info_state {
+	struct winbindd_request req;
+	char separator;
+	char *version_string;
+};
+
+static void wbcInfo_done(struct tevent_req *subreq);
+
+/**
+ * @brief Request information about the winbind service
+ *
+ * @param mem_ctx	talloc context to allocate memory from
+ * @param ev		tevent context to use for async requests
+ * @param wb_ctx	winbind context
+ *
+ * @return tevent_req on success, NULL on failure
+ */
+
+struct tevent_req *wbcInfo_send(TALLOC_CTX *mem_ctx,
+				struct tevent_context *ev,
+				struct wb_context *wb_ctx)
+{
+	struct tevent_req *req, *subreq;
+	struct wbc_info_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct wbc_info_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	ZERO_STRUCT(state->req);
+	state->req.cmd = WINBINDD_INFO;
+
+	subreq = wb_trans_send(state, ev, wb_ctx, false, &state->req);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	tevent_req_set_callback(subreq, wbcInfo_done, req);
+	return req;
+}
+
+static void wbcInfo_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+			subreq, struct tevent_req);
+	struct wbc_info_state *state = tevent_req_data(
+			req, struct wbc_info_state);
+	struct winbindd_response *resp;
+	wbcErr wbc_status;
+
+	wbc_status = wb_trans_recv(subreq, state, &resp);
+	TALLOC_FREE(subreq);
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+	state->version_string = talloc_strdup(state,
+					resp->data.info.samba_version);
+	if (tevent_req_nomem(state->version_string, subreq)) {
+		return;
+	}
+	state->separator = resp->data.info.winbind_separator;
+	TALLOC_FREE(resp);
+
+	tevent_req_done(req);
+}
+
+/**
+ * @brief Receive information about the running winbind service
+ *
+ * @param req			tevent_req containing the request
+ * @param mem_ctx		talloc context to allocate memory from
+ * @param winbind_separator	pointer to a char to hold the separator
+ * @param version_string	pointer to a string to hold the version string
+ *
+ * @return #wbcErr
+ */
+
+wbcErr wbcInfo_recv(struct tevent_req *req,
+		    TALLOC_CTX *mem_ctx,
+		    char *winbind_separator,
+		    char **version_string)
+{
+	struct wbc_info_state *state = tevent_req_data(
+			req, struct wbc_info_state);
+	wbcErr wbc_status;
+
+	if (tevent_req_is_wbcerr(req, &wbc_status)) {
+		tevent_req_received(req);
+		return wbc_status;
+	}
+
+	*winbind_separator = state->separator;
+	*version_string = talloc_steal(mem_ctx, state->version_string);
+
+	tevent_req_received(req);
+	return WBC_ERR_SUCCESS;
+}
+
+struct wbc_netbios_name_state {
+	struct winbindd_request req;
+	char *netbios_name;
+};
+
+static void wbcNetbiosName_done(struct tevent_req *subreq);
+
+/**
+ * @brief Request the machine's netbios name
+ *
+ * @param mem_ctx	talloc context to allocate memory from
+ * @param ev		tevent context to use for async requests
+ * @param wb_ctx	winbind context
+ *
+ * @return tevent_req on success, NULL on failure
+ */
+
+struct tevent_req *wbcNetbiosName_send(TALLOC_CTX *mem_ctx,
+				       struct tevent_context *ev,
+				       struct wb_context *wb_ctx)
+{
+	struct tevent_req *req, *subreq;
+	struct wbc_netbios_name_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct wbc_netbios_name_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	ZERO_STRUCT(state->req);
+	state->req.cmd = WINBINDD_NETBIOS_NAME;
+
+	subreq = wb_trans_send(state, ev, wb_ctx, false, &state->req);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	tevent_req_set_callback(subreq, wbcNetbiosName_done, req);
+	return req;
+}
+
+static void wbcNetbiosName_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+			subreq, struct tevent_req);
+	struct wbc_netbios_name_state *state = tevent_req_data(
+			req, struct wbc_netbios_name_state);
+	struct winbindd_response *resp;
+	wbcErr wbc_status;
+
+	wbc_status = wb_trans_recv(subreq, state, &resp);
+	TALLOC_FREE(subreq);
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+	state->netbios_name = talloc_strdup(state,
+					resp->data.info.samba_version);
+	if (tevent_req_nomem(state->netbios_name, subreq)) {
+		return;
+	}
+	TALLOC_FREE(resp);
+
+	tevent_req_done(req);
+}
+
+/**
+ * @brief Receive the machine's netbios name
+ *
+ * @param req		tevent_req containing the request
+ * @param mem_ctx	talloc context to allocate memory from
+ * @param netbios_name	pointer to a string to hold the netbios name
+ *
+ * @return #wbcErr
+ */
+
+wbcErr wbcNetbiosName_recv(struct tevent_req *req,
+			   TALLOC_CTX *mem_ctx,
+			   char **netbios_name)
+{
+	struct wbc_netbios_name_state *state = tevent_req_data(
+			req, struct wbc_netbios_name_state);
+	wbcErr wbc_status;
+
+	if (tevent_req_is_wbcerr(req, &wbc_status)) {
+		tevent_req_received(req);
+		return wbc_status;
+	}
+
+	*netbios_name = talloc_steal(mem_ctx, state->netbios_name);
+
+	tevent_req_received(req);
+	return WBC_ERR_SUCCESS;
+}
+
+struct wbc_domain_name_state {
+	struct winbindd_request req;
+	char *domain_name;
+};
+
+static void wbcDomainName_done(struct tevent_req *subreq);
+
+/**
+ * @brief Request the machine's domain name
+ *
+ * @param mem_ctx	talloc context to allocate memory from
+ * @param ev		tevent context to use for async requests
+ * @param wb_ctx	winbind context
+ *
+ * @return tevent_req on success, NULL on failure
+ */
+
+struct tevent_req *wbcDomainName_send(TALLOC_CTX *mem_ctx,
+				      struct tevent_context *ev,
+				      struct wb_context *wb_ctx)
+{
+	struct tevent_req *req, *subreq;
+	struct wbc_domain_name_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct wbc_domain_name_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	ZERO_STRUCT(state->req);
+	state->req.cmd = WINBINDD_DOMAIN_NAME;
+
+	subreq = wb_trans_send(state, ev, wb_ctx, false, &state->req);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	tevent_req_set_callback(subreq, wbcDomainName_done, req);
+	return req;
+}
+
+static void wbcDomainName_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+			subreq, struct tevent_req);
+	struct wbc_domain_name_state *state = tevent_req_data(
+			req, struct wbc_domain_name_state);
+	struct winbindd_response *resp;
+	wbcErr wbc_status;
+
+	wbc_status = wb_trans_recv(subreq, state, &resp);
+	TALLOC_FREE(subreq);
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+	state->domain_name = talloc_strdup(state, resp->data.domain_name);
+	if (tevent_req_nomem(state->domain_name, subreq)) {
+		return;
+	}
+	TALLOC_FREE(resp);
+
+	tevent_req_done(req);
+}
+
+/**
+ * @brief Receive the machine's domain name
+ *
+ * @param req		tevent_req containing the request
+ * @param mem_ctx	talloc context to allocate memory from
+ * @param domain_name	pointer to a string to hold the domain name
+ *
+ * @return #wbcErr
+ */
+
+wbcErr wbcDomainName_recv(struct tevent_req *req,
+			  TALLOC_CTX *mem_ctx,
+			  char **domain_name)
+{
+	struct wbc_domain_name_state *state = tevent_req_data(
+			req, struct wbc_domain_name_state);
+	wbcErr wbc_status;
+
+	if (tevent_req_is_wbcerr(req, &wbc_status)) {
+		tevent_req_received(req);
+		return wbc_status;
+	}
+
+	*domain_name = talloc_steal(mem_ctx, state->domain_name);
+
+	tevent_req_received(req);
+	return WBC_ERR_SUCCESS;
+}
+
+struct wbc_interface_details_state {
+	struct tevent_context *ev;
+	struct wb_context *wb_ctx;
+	struct wbcDomainInfo *dinfo;
+	struct wbcInterfaceDetails *details;
+};
+
+static void wbcInterfaceDetails_version(struct tevent_req *subreq);
+static void wbcInterfaceDetails_info(struct tevent_req *subreq);
+static void wbcInterfaceDetails_netbios_name(struct tevent_req *subreq);
+static void wbcInterfaceDetails_domain_name(struct tevent_req *subreq);
+static void wbcInterfaceDetails_domain_info(struct tevent_req *subreq);
+
+/**
+ * @brief Request some useful details about the winbind service
+ *
+ * @param mem_ctx	talloc context to allocate memory from
+ * @param ev		tevent context to use for async requests
+ * @param wb_ctx	winbind context
+ *
+ * @return tevent_req on success, NULL on failure
+ */
+
+struct tevent_req *wbcInterfaceDetails_send(TALLOC_CTX *mem_ctx,
+					    struct tevent_context *ev,
+					    struct wb_context *wb_ctx)
+{
+	struct tevent_req *req, *subreq;
+	struct wbc_interface_details_state *state;
+
+	req = tevent_req_create(mem_ctx, &state,
+				struct wbc_interface_details_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	state->ev = ev;
+	state->wb_ctx = wb_ctx;
+	state->details = talloc(state, struct wbcInterfaceDetails);
+	if (tevent_req_nomem(state->details, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	subreq = wbcInterfaceVersion_send(state, ev, wb_ctx);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	tevent_req_set_callback(subreq, wbcInterfaceDetails_version, req);
+	return req;
+}
+
+static void wbcInterfaceDetails_version(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+			subreq, struct tevent_req);
+	struct wbc_interface_details_state *state = tevent_req_data(
+			req, struct wbc_interface_details_state);
+	wbcErr wbc_status;
+
+
+	wbc_status  = wbcInterfaceVersion_recv(subreq,
+					&state->details->interface_version);
+	TALLOC_FREE(subreq);
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+
+	subreq = wbcInfo_send(state, state->ev, state->wb_ctx);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+
+	tevent_req_set_callback(subreq, wbcInterfaceDetails_info, req);
+}
+
+static void wbcInterfaceDetails_info(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+			subreq, struct tevent_req);
+	struct wbc_interface_details_state *state = tevent_req_data(
+			req, struct wbc_interface_details_state);
+	wbcErr wbc_status;
+
+	wbc_status  = wbcInfo_recv(subreq, state->details,
+				   &state->details->winbind_separator,
+				   &state->details->winbind_version);
+	TALLOC_FREE(subreq);
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+
+	subreq = wbcNetbiosName_send(state, state->ev, state->wb_ctx);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+
+	tevent_req_set_callback(subreq, wbcInterfaceDetails_netbios_name, req);
+}
+
+static void wbcInterfaceDetails_netbios_name(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+			subreq, struct tevent_req);
+	struct wbc_interface_details_state *state = tevent_req_data(
+			req, struct wbc_interface_details_state);
+	wbcErr wbc_status;
+
+	wbc_status  = wbcNetbiosName_recv(subreq, state->details,
+					  &state->details->netbios_name);
+	TALLOC_FREE(subreq);
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+
+	subreq = wbcDomainName_send(state, state->ev, state->wb_ctx);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+
+	tevent_req_set_callback(subreq, wbcInterfaceDetails_domain_name, req);
+}
+
+static void wbcInterfaceDetails_domain_name(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+			subreq, struct tevent_req);
+	struct wbc_interface_details_state *state = tevent_req_data(
+			req, struct wbc_interface_details_state);
+	wbcErr wbc_status;
+
+	wbc_status  = wbcDomainName_recv(subreq, state->details,
+					 &state->details->netbios_domain);
+	TALLOC_FREE(subreq);
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+
+	subreq = wbcDomainInfo_send(state, state->ev, state->wb_ctx,
+				    state->details->netbios_domain);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+
+	tevent_req_set_callback(subreq, wbcInterfaceDetails_domain_info, req);
+}
+
+static void wbcInterfaceDetails_domain_info(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+			subreq, struct tevent_req);
+	struct wbc_interface_details_state *state = tevent_req_data(
+			req, struct wbc_interface_details_state);
+	struct wbcDomainInfo *domain;
+	wbcErr wbc_status;
+
+	wbc_status = wbcDomainInfo_recv(subreq, state, &domain);
+	TALLOC_FREE(subreq);
+	if (wbc_status == WBC_ERR_DOMAIN_NOT_FOUND) {
+		tevent_req_done(req);
+		return;
+	}
+
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+	state->details->dns_domain = talloc_strdup(state->details,
+						   domain->dns_name);
+	if (tevent_req_nomem(state->details->dns_domain, req)) {
+		return;
+	}
+
+	TALLOC_FREE(domain);
+	tevent_req_done(req);
+}
+
+/**
+ * @brief Receive useful information about the winbind service
+ *
+ * @param req		tevent_req containing the request
+ * @param mem_ctx	talloc context to allocate memory from
+ * @param *details	pointer to hold the struct wbcInterfaceDetails
+ *
+ * @return #wbcErr
+ */
+
+wbcErr wbcInterfaceDetails_recv(struct tevent_req *req,
+				TALLOC_CTX *mem_ctx,
+				struct wbcInterfaceDetails **details)
+{
+	struct wbc_interface_details_state *state = tevent_req_data(
+			req, struct wbc_interface_details_state);
+	wbcErr wbc_status;
+
+	if (tevent_req_is_wbcerr(req, &wbc_status)) {
+		tevent_req_received(req);
+		return wbc_status;
+	}
+
+	*details = talloc_steal(mem_ctx, state->details);
+
+	tevent_req_received(req);
+	return WBC_ERR_SUCCESS;
+}
+
+struct wbc_domain_info_state {
+	struct winbindd_request req;
+	struct wbcDomainInfo *info;
+};
+
+static void wbcDomainInfo_done(struct tevent_req *subreq);
+
+/**
+ * @brief Request status of a given trusted domain
+ *
+ * @param mem_ctx	talloc context to allocate memory from
+ * @param ev		tevent context to use for async requests
+ * @param wb_ctx	winbind context
+ * @param domain	domain to request status from
+ *
+ * @return tevent_req on success, NULL on failure
+ */
+
+struct tevent_req *wbcDomainInfo_send(TALLOC_CTX *mem_ctx,
+				      struct tevent_context *ev,
+				      struct wb_context *wb_ctx,
+				      const char *domain)
+{
+	struct tevent_req *req, *subreq;
+	struct wbc_domain_info_state *state;
+
+	if (!domain) {
+		return NULL;
+	}
+
+	req = tevent_req_create(mem_ctx, &state, struct wbc_domain_info_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	state->info = talloc(state, struct wbcDomainInfo);
+	if (tevent_req_nomem(state->info, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	ZERO_STRUCT(state->req);
+
+	strncpy(state->req.domain_name, domain,
+		sizeof(state->req.domain_name)-1);
+
+	state->req.cmd = WINBINDD_DOMAIN_INFO;
+
+	subreq = wb_trans_send(state, ev, wb_ctx, false, &state->req);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	tevent_req_set_callback(subreq, wbcDomainInfo_done, req);
+	return req;
+}
+
+static void wbcDomainInfo_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+			subreq, struct tevent_req);
+	struct wbc_domain_info_state *state = tevent_req_data(
+			req, struct wbc_domain_info_state);
+	struct winbindd_response *resp;
+	wbcErr wbc_status;
+
+	wbc_status = wb_trans_recv(subreq, state, &resp);
+	TALLOC_FREE(subreq);
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+
+	state->info->short_name = talloc_strdup(state->info,
+			resp->data.domain_info.name);
+	if (tevent_req_nomem(state->info->short_name, req)) {
+		return;
+	}
+
+	state->info->dns_name = talloc_strdup(state->info,
+			resp->data.domain_info.alt_name);
+	if (tevent_req_nomem(state->info->dns_name, req)) {
+		return;
+	}
+
+	wbc_status = wbcStringToSid(resp->data.domain_info.sid,
+				    &state->info->sid);
+	if (!WBC_ERROR_IS_OK(wbc_status)) {
+		tevent_req_error(req, wbc_status);
+		return;
+	}
+
+	if (resp->data.domain_info.native_mode) {
+		state->info->domain_flags |= WBC_DOMINFO_DOMAIN_NATIVE;
+	}
+	if (resp->data.domain_info.active_directory) {
+		state->info->domain_flags |= WBC_DOMINFO_DOMAIN_AD;
+	}
+	if (resp->data.domain_info.primary) {
+		state->info->domain_flags |= WBC_DOMINFO_DOMAIN_PRIMARY;
+	}
+
+	TALLOC_FREE(resp);
+
+	tevent_req_done(req);
+}
+
+/**
+ * @brief Receive information about a trusted domain
+ *
+ * @param req		tevent_req containing the request
+ * @param mem_ctx	talloc context to allocate memory from
+ * @param *dinfo	pointer to returned struct wbcDomainInfo
+ *
+ * @return #wbcErr
+ */
+
+wbcErr wbcDomainInfo_recv(struct tevent_req *req,
+			  TALLOC_CTX *mem_ctx,
+			  struct wbcDomainInfo **dinfo)
+{
+	struct wbc_domain_info_state *state = tevent_req_data(
+			req, struct wbc_domain_info_state);
+	wbcErr wbc_status;
+
+	if (tevent_req_is_wbcerr(req, &wbc_status)) {
+		tevent_req_received(req);
+		return wbc_status;
+	}
+
+	if (dinfo == NULL) {
+		tevent_req_received(req);
+		return WBC_ERR_INVALID_PARAM;
+	}
+
+	*dinfo = talloc_steal(mem_ctx, state->info);
+
+	tevent_req_received(req);
+	return WBC_ERR_SUCCESS;
+}