s3:winbind: Add async wb_getgrsid

2 files changed, 159 insertions, 0 deletions

diff --git a/source3/winbindd/wb_getgrsid.c b/source3/winbindd/wb_getgrsid.c
new file mode 100644
index 0000000000..03d71e45b9
--- /dev/null
+++ b/source3/winbindd/wb_getgrsid.c
@@ -0,0 +1,151 @@
+/*
+   Unix SMB/CIFS implementation.
+   async getgrsid
+   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_getgrsid_state {
+	struct tevent_context *ev;
+	struct dom_sid sid;
+	int max_nesting;
+	const char *domname;
+	const char *name;
+	enum lsa_SidType type;
+	gid_t gid;
+	struct talloc_dict *members;
+};
+
+static void wb_getgrsid_lookupsid_done(struct tevent_req *subreq);
+static void wb_getgrsid_sid2gid_done(struct tevent_req *subreq);
+static void wb_getgrsid_got_members(struct tevent_req *subreq);
+
+struct tevent_req *wb_getgrsid_send(TALLOC_CTX *mem_ctx,
+				    struct tevent_context *ev,
+				    const struct dom_sid *group_sid,
+				    int max_nesting)
+{
+	struct tevent_req *req, *subreq;
+	struct wb_getgrsid_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct wb_getgrsid_state);
+	if (req == NULL) {
+		return NULL;
+	}
+	sid_copy(&state->sid, group_sid);
+	state->ev = ev;
+	state->max_nesting = max_nesting;
+
+	subreq = wb_lookupsid_send(state, ev, &state->sid);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, wb_getgrsid_lookupsid_done, req);
+	return req;
+}
+
+static void wb_getgrsid_lookupsid_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct wb_getgrsid_state *state = tevent_req_data(
+		req, struct wb_getgrsid_state);
+	NTSTATUS status;
+
+	status = wb_lookupsid_recv(subreq, state, &state->type,
+				   &state->domname, &state->name);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) {
+		tevent_req_nterror(req, status);
+		return;
+	}
+
+	switch (state->type) {
+	case SID_NAME_DOM_GRP:
+	case SID_NAME_ALIAS:
+	case SID_NAME_WKN_GRP:
+		break;
+	default:
+		tevent_req_nterror(req, NT_STATUS_NO_SUCH_GROUP);
+		return;
+	}
+
+	subreq = wb_sid2gid_send(state, state->ev, &state->sid);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, wb_getgrsid_sid2gid_done, req);
+}
+
+static void wb_getgrsid_sid2gid_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct wb_getgrsid_state *state = tevent_req_data(
+		req, struct wb_getgrsid_state);
+	NTSTATUS status;
+
+	status = wb_sid2gid_recv(subreq, &state->gid);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) {
+		tevent_req_nterror(req, status);
+		return;
+	}
+	subreq = wb_group_members_send(state, state->ev, &state->sid,
+				       state->type, state->max_nesting);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, wb_getgrsid_got_members, req);
+}
+
+static void wb_getgrsid_got_members(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct wb_getgrsid_state *state = tevent_req_data(
+		req, struct wb_getgrsid_state);
+	NTSTATUS status;
+
+	status = wb_group_members_recv(subreq, state, &state->members);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) {
+		tevent_req_nterror(req, status);
+		return;
+	}
+	tevent_req_done(req);
+}
+
+NTSTATUS wb_getgrsid_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+			  const char **domname, const char **name, gid_t *gid,
+			  struct talloc_dict **members)
+{
+	struct wb_getgrsid_state *state = tevent_req_data(
+		req, struct wb_getgrsid_state);
+	NTSTATUS status;
+
+	if (tevent_req_is_nterror(req, &status)) {
+		return status;
+	}
+	*domname = talloc_move(mem_ctx, &state->domname);
+	*name = talloc_move(mem_ctx, &state->name);
+	*gid = state->gid;
+	*members = talloc_move(mem_ctx, &state->members);
+	return NT_STATUS_OK;
+}
diff --git a/source3/winbindd/winbindd_proto.h b/source3/winbindd/winbindd_proto.h
index 50da2c6aab..522ffca306 100644
--- a/source3/winbindd/winbindd_proto.h
+++ b/source3/winbindd/winbindd_proto.h
@@ -798,4 +798,12 @@ struct tevent_req *wb_group_members_send(TALLOC_CTX *mem_ctx,
 NTSTATUS wb_group_members_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
 			       struct talloc_dict **members);
 
+struct tevent_req *wb_getgrsid_send(TALLOC_CTX *mem_ctx,
+				    struct tevent_context *ev,
+				    const struct dom_sid *group_sid,
+				    int max_nesting);
+NTSTATUS wb_getgrsid_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
+			  const char **domname, const char **name, gid_t *gid,
+			  struct talloc_dict **members);
+
 #endif /*  _WINBINDD_PROTO_H_  */