source: branches/samba-3.5.x/source3/winbindd/wb_next_grent.c

Last change on this file was 429, checked in by Silvan Scherrer, 15 years ago

Samba 3.5.x: trunk update to 3.5.2
File size: 5.6 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 async next_grent
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 "librpc/gen_ndr/cli_wbint.h"
23
24struct wb_next_grent_state {
25 struct tevent_context *ev;
26 int max_nesting;
27 struct getgrent_state *gstate;
28 struct wbint_Principals next_groups;
29 struct winbindd_gr *gr;
30 struct talloc_dict *members;
31};
32
33static void wb_next_grent_fetch_done(struct tevent_req *subreq);
34static void wb_next_grent_getgrsid_done(struct tevent_req *subreq);
35
36struct tevent_req *wb_next_grent_send(TALLOC_CTX *mem_ctx,
37 struct tevent_context *ev,
38 int max_nesting,
39 struct getgrent_state *gstate,
40 struct winbindd_gr *gr)
41{
42 struct tevent_req *req, *subreq;
43 struct wb_next_grent_state *state;
44
45 req = tevent_req_create(mem_ctx, &state, struct wb_next_grent_state);
46 if (req == NULL) {
47 return NULL;
48 }
49 state->ev = ev;
50 state->gstate = gstate;
51 state->gr = gr;
52 state->max_nesting = max_nesting;
53
54 if (state->gstate->next_group >= state->gstate->num_groups) {
55 TALLOC_FREE(state->gstate->groups);
56
57 if (state->gstate->domain == NULL) {
58 state->gstate->domain = domain_list();
59 } else {
60 state->gstate->domain = state->gstate->domain->next;
61 }
62
63 if ((state->gstate->domain != NULL)
64 && sid_check_is_domain(&state->gstate->domain->sid)) {
65 state->gstate->domain = state->gstate->domain->next;
66 }
67
68 if (state->gstate->domain == NULL) {
69 tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
70 return tevent_req_post(req, ev);
71 }
72 subreq = rpccli_wbint_QueryGroupList_send(
73 state, state->ev, state->gstate->domain->child.rpccli,
74 &state->next_groups);
75 if (tevent_req_nomem(subreq, req)) {
76 return tevent_req_post(req, ev);
77 }
78 tevent_req_set_callback(subreq, wb_next_grent_fetch_done, req);
79 return req;
80 }
81
82 subreq = wb_getgrsid_send(
83 state, state->ev,
84 &state->gstate->groups[state->gstate->next_group].sid,
85 state->max_nesting);
86 if (tevent_req_nomem(subreq, req)) {
87 return tevent_req_post(req, ev);
88 }
89 tevent_req_set_callback(subreq, wb_next_grent_getgrsid_done, req);
90 return req;
91}
92
93static void wb_next_grent_fetch_done(struct tevent_req *subreq)
94{
95 struct tevent_req *req = tevent_req_callback_data(
96 subreq, struct tevent_req);
97 struct wb_next_grent_state *state = tevent_req_data(
98 req, struct wb_next_grent_state);
99 NTSTATUS status, result;
100
101 status = rpccli_wbint_QueryGroupList_recv(subreq, state, &result);
102 TALLOC_FREE(subreq);
103 if (!NT_STATUS_IS_OK(status) || !NT_STATUS_IS_OK(result)) {
104 /* Ignore errors here, just log it */
105 DEBUG(10, ("query_user_list for domain %s returned %s/%s\n",
106 state->gstate->domain->name,
107 nt_errstr(status), nt_errstr(result)));
108 tevent_req_nterror(req, result);
109 return;
110 }
111
112 state->gstate->num_groups = state->next_groups.num_principals;
113 state->gstate->groups = talloc_move(
114 state->gstate, &state->next_groups.principals);
115
116 if (state->gstate->num_groups == 0) {
117 state->gstate->domain = state->gstate->domain->next;
118
119 if ((state->gstate->domain != NULL)
120 && sid_check_is_domain(&state->gstate->domain->sid)) {
121 state->gstate->domain = state->gstate->domain->next;
122 }
123
124 if (state->gstate->domain == NULL) {
125 tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
126 return;
127 }
128 subreq = rpccli_wbint_QueryGroupList_send(
129 state, state->ev, state->gstate->domain->child.rpccli,
130 &state->next_groups);
131 if (tevent_req_nomem(subreq, req)) {
132 return;
133 }
134 tevent_req_set_callback(subreq, wb_next_grent_fetch_done, req);
135 return;
136 }
137
138 state->gstate->next_group = 0;
139
140 subreq = wb_getgrsid_send(
141 state, state->ev,
142 &state->gstate->groups[state->gstate->next_group].sid,
143 state->max_nesting);
144 if (tevent_req_nomem(subreq, req)) {
145 return;
146 }
147 tevent_req_set_callback(subreq, wb_next_grent_getgrsid_done, req);
148 return;
149}
150
151static void wb_next_grent_getgrsid_done(struct tevent_req *subreq)
152{
153 struct tevent_req *req = tevent_req_callback_data(
154 subreq, struct tevent_req);
155 struct wb_next_grent_state *state = tevent_req_data(
156 req, struct wb_next_grent_state);
157 const char *domname, *name;
158 NTSTATUS status;
159
160 status = wb_getgrsid_recv(subreq, talloc_tos(), &domname, &name,
161 &state->gr->gr_gid, &state->members);
162 TALLOC_FREE(subreq);
163 if (!NT_STATUS_IS_OK(status)) {
164 tevent_req_nterror(req, status);
165 return;
166 }
167 if (!fill_grent(talloc_tos(), state->gr, domname, name,
168 state->gr->gr_gid)) {
169 DEBUG(5, ("fill_grent failed\n"));
170 tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
171 return;
172 }
173 state->gstate->next_group += 1;
174 tevent_req_done(req);
175}
176
177NTSTATUS wb_next_grent_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
178 struct talloc_dict **members)
179{
180 struct wb_next_grent_state *state = tevent_req_data(
181 req, struct wb_next_grent_state);
182 NTSTATUS status;
183
184 if (tevent_req_is_nterror(req, &status)) {
185 return status;
186 }
187 *members = talloc_move(mem_ctx, &state->members);
188 return NT_STATUS_OK;
189}
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