1 /*
2    Unix SMB/CIFS implementation.
3    async implementation of WINBINDD_GETUSERDOMGROUPS
4    Copyright (C) Volker Lendecke 2009
5 
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3 of the License, or
9    (at your option) any later version.
10 
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15 
16    You should have received a copy of the GNU General Public License
17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
18 */
19 
20 #include "includes.h"
21 #include "winbindd.h"
22 #include "../libcli/security/security.h"
23 
24 struct winbindd_getuserdomgroups_state {
25 	struct dom_sid sid;
26 	int num_sids;
27 	struct dom_sid *sids;
28 };
29 
30 static void winbindd_getuserdomgroups_done(struct tevent_req *subreq);
31 
winbindd_getuserdomgroups_send(TALLOC_CTX * mem_ctx,struct tevent_context * ev,struct winbindd_cli_state * cli,struct winbindd_request * request)32 struct tevent_req *winbindd_getuserdomgroups_send(TALLOC_CTX *mem_ctx,
33 						  struct tevent_context *ev,
34 						  struct winbindd_cli_state *cli,
35 						  struct winbindd_request *request)
36 {
37 	struct tevent_req *req, *subreq;
38 	struct winbindd_getuserdomgroups_state *state;
39 
40 	req = tevent_req_create(mem_ctx, &state,
41 				struct winbindd_getuserdomgroups_state);
42 	if (req == NULL) {
43 		return NULL;
44 	}
45 
46 	/* Ensure null termination */
47 	request->data.sid[sizeof(request->data.sid)-1]='\0';
48 
49 	DBG_NOTICE("[%s (%u)] getuserdomgroups %s\n",
50 		   cli->client_name,
51 		   (unsigned int)cli->pid,
52 		   request->data.sid);
53 
54 	if (!string_to_sid(&state->sid, request->data.sid)) {
55 		DEBUG(1, ("Could not get convert sid %s from string\n",
56 			  request->data.sid));
57 		tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
58 		return tevent_req_post(req, ev);
59 	}
60 
61 	subreq = wb_gettoken_send(state, ev, &state->sid, false);
62 	if (tevent_req_nomem(subreq, req)) {
63 		return tevent_req_post(req, ev);
64 	}
65 	tevent_req_set_callback(subreq, winbindd_getuserdomgroups_done, req);
66 	return req;
67 }
68 
winbindd_getuserdomgroups_done(struct tevent_req * subreq)69 static void winbindd_getuserdomgroups_done(struct tevent_req *subreq)
70 {
71 	struct tevent_req *req = tevent_req_callback_data(
72 		subreq, struct tevent_req);
73 	struct winbindd_getuserdomgroups_state *state = tevent_req_data(
74 		req, struct winbindd_getuserdomgroups_state);
75 	NTSTATUS status;
76 
77 	status = wb_gettoken_recv(subreq, state, &state->num_sids,
78 				  &state->sids);
79 	TALLOC_FREE(subreq);
80 	if (tevent_req_nterror(req, status)) {
81 		return;
82 	}
83 	tevent_req_done(req);
84 }
85 
winbindd_getuserdomgroups_recv(struct tevent_req * req,struct winbindd_response * response)86 NTSTATUS winbindd_getuserdomgroups_recv(struct tevent_req *req,
87 					struct winbindd_response *response)
88 {
89 	struct winbindd_getuserdomgroups_state *state = tevent_req_data(
90 		req, struct winbindd_getuserdomgroups_state);
91 	NTSTATUS status;
92 	int i;
93 	char *sidlist;
94 
95 	if (tevent_req_is_nterror(req, &status)) {
96 		return status;
97 	}
98 
99 	sidlist = talloc_strdup(response, "");
100 	if (sidlist == NULL) {
101 		return NT_STATUS_NO_MEMORY;
102 	}
103 	for (i=0; i<state->num_sids; i++) {
104 		struct dom_sid_buf tmp;
105 		sidlist = talloc_asprintf_append_buffer(
106 			sidlist, "%s\n",
107 			dom_sid_str_buf(&state->sids[i], &tmp));
108 		if (sidlist == NULL) {
109 			return NT_STATUS_NO_MEMORY;
110 		}
111 	}
112 	response->extra_data.data = sidlist;
113 	response->length += talloc_get_size(sidlist);
114 	response->data.num_entries = state->num_sids;
115 	return NT_STATUS_OK;
116 }
117