s3:winbind: Add async wb_seqnum

3 files changed, 98 insertions, 0 deletions

diff --git a/source3/winbindd/wb_seqnum.c b/source3/winbindd/wb_seqnum.c
new file mode 100644
index 0000000000..111150eddd
--- /dev/null
+++ b/source3/winbindd/wb_seqnum.c
@@ -0,0 +1,82 @@
+/*
+   Unix SMB/CIFS implementation.
+   async seqnum
+   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 wb_seqnum_state {
+	uint32_t seqnum;
+};
+
+static void wb_seqnum_done(struct tevent_req *subreq);
+
+struct tevent_req *wb_seqnum_send(TALLOC_CTX *mem_ctx,
+				  struct tevent_context *ev,
+				  struct winbindd_domain *domain)
+{
+	struct tevent_req *req, *subreq;
+	struct wb_seqnum_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct wb_seqnum_state);
+	if (req == NULL) {
+		return NULL;
+	}
+	subreq = rpccli_wbint_QuerySequenceNumber_send(
+		state, ev, domain->child.rpccli, &state->seqnum);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, wb_seqnum_done, req);
+	return req;
+}
+
+static void wb_seqnum_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct wb_seqnum_state *state = tevent_req_data(
+		req, struct wb_seqnum_state);
+	NTSTATUS status, result;
+
+	status = rpccli_wbint_QuerySequenceNumber_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 wb_seqnum_recv(struct tevent_req *req, uint32_t *seqnum)
+{
+	struct wb_seqnum_state *state = tevent_req_data(
+		req, struct wb_seqnum_state);
+	NTSTATUS status;
+
+	if (tevent_req_is_nterror(req, &status)) {
+		return status;
+	}
+	*seqnum = state->seqnum;
+	return NT_STATUS_OK;
+}
diff --git a/source3/winbindd/winbindd_dual_srv.c b/source3/winbindd/winbindd_dual_srv.c
index 4771f424b7..92233188de 100644
--- a/source3/winbindd/winbindd_dual_srv.c
+++ b/source3/winbindd/winbindd_dual_srv.c
@@ -145,3 +145,15 @@ NTSTATUS _wbint_LookupUserGroups(pipes_struct *p,
 		domain, p->mem_ctx, r->in.sid,
 		&r->out.sids->num_sids, &r->out.sids->sids);
 }
+
+NTSTATUS _wbint_QuerySequenceNumber(pipes_struct *p,
+				    struct wbint_QuerySequenceNumber *r)
+{
+	struct winbindd_domain *domain = wb_child_domain();
+
+	if (domain == NULL) {
+		return NT_STATUS_REQUEST_NOT_ACCEPTED;
+	}
+
+	return domain->methods->sequence_number(domain, r->out.sequence);
+}
diff --git a/source3/winbindd/winbindd_proto.h b/source3/winbindd/winbindd_proto.h
index c9ef5e14ea..1638b0be62 100644
--- a/source3/winbindd/winbindd_proto.h
+++ b/source3/winbindd/winbindd_proto.h
@@ -767,6 +767,10 @@ struct tevent_req *winbindd_getgroups_send(TALLOC_CTX *mem_ctx,
 NTSTATUS winbindd_getgroups_recv(struct tevent_req *req,
 				 struct winbindd_response *response);
 
+struct tevent_req *wb_seqnum_send(TALLOC_CTX *mem_ctx,
+				  struct tevent_context *ev,
+				  struct winbindd_domain *domain);
+NTSTATUS wb_seqnum_recv(struct tevent_req *req, uint32_t *seqnum);
 
 
 #endif /*  _WINBINDD_PROTO_H_  */