s3:winbind: Convert WINBINDD_GETGRGID to the new API

1 files changed, 134 insertions, 0 deletions

diff --git a/source3/winbindd/winbindd_getgrgid.c b/source3/winbindd/winbindd_getgrgid.c
new file mode 100644
index 0000000000..82204ad095
--- /dev/null
+++ b/source3/winbindd/winbindd_getgrgid.c
@@ -0,0 +1,134 @@
+/*
+   Unix SMB/CIFS implementation.
+   async implementation of WINBINDD_GETGRGID
+   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"
+
+struct winbindd_getgrgid_state {
+	struct tevent_context *ev;
+	struct dom_sid sid;
+	const char *domname;
+	const char *name;
+	gid_t gid;
+	struct talloc_dict *members;
+};
+
+static void winbindd_getgrgid_gid2sid_done(struct tevent_req *subreq);
+static void winbindd_getgrgid_done(struct tevent_req *subreq);
+
+struct tevent_req *winbindd_getgrgid_send(TALLOC_CTX *mem_ctx,
+					  struct tevent_context *ev,
+					  struct winbindd_request *request)
+{
+	struct tevent_req *req, *subreq;
+	struct winbindd_getgrgid_state *state;
+
+	req = tevent_req_create(mem_ctx, &state,
+				struct winbindd_getgrgid_state);
+	if (req == NULL) {
+		return NULL;
+	}
+	state->ev = ev;
+
+	DEBUG(3, ("getgrgid %d\n", (int)request->data.gid));
+
+	subreq = wb_gid2sid_send(state, ev, request->data.gid);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, winbindd_getgrgid_gid2sid_done,
+				req);
+	return req;
+}
+
+static void winbindd_getgrgid_gid2sid_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct winbindd_getgrgid_state *state = tevent_req_data(
+		req, struct winbindd_getgrgid_state);
+	NTSTATUS status;
+
+	status = wb_gid2sid_recv(subreq, &state->sid);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) {
+		tevent_req_nterror(req, status);
+		return;
+	}
+
+	subreq = wb_getgrsid_send(state, state->ev, &state->sid,
+				  lp_winbind_expand_groups());
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, winbindd_getgrgid_done, req);
+}
+
+static void winbindd_getgrgid_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct winbindd_getgrgid_state *state = tevent_req_data(
+		req, struct winbindd_getgrgid_state);
+	NTSTATUS status;
+
+	status = wb_getgrsid_recv(subreq, state, &state->domname, &state->name,
+				  &state->gid, &state->members);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) {
+		tevent_req_nterror(req, status);
+		return;
+	}
+	tevent_req_done(req);
+}
+
+NTSTATUS winbindd_getgrgid_recv(struct tevent_req *req,
+				struct winbindd_response *response)
+{
+	struct winbindd_getgrgid_state *state = tevent_req_data(
+		req, struct winbindd_getgrgid_state);
+	NTSTATUS status;
+	int num_members;
+	char *buf;
+
+	if (tevent_req_is_nterror(req, &status)) {
+		DEBUG(5, ("Could not convert sid %s: %s\n",
+			  sid_string_dbg(&state->sid), nt_errstr(status)));
+		return status;
+	}
+
+	if (!fill_grent(talloc_tos(), &response->data.gr, state->domname,
+			state->name, state->gid)) {
+		DEBUG(5, ("fill_grent failed\n"));
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	status = winbindd_print_groupmembers(state->members, response,
+					     &num_members, &buf);
+
+	response->data.gr.num_gr_mem = (uint32)num_members;
+
+	/* Group membership lives at start of extra data */
+
+	response->data.gr.gr_mem_ofs = 0;
+	response->extra_data.data = buf;
+	response->length += talloc_get_size(response->extra_data.data);
+
+	return NT_STATUS_OK;
+}