tevent: expose tevent_context_init_ops
[Samba/gebeck_regimport.git] / source3 / winbindd / wb_next_pwent.c
blob28ae9b7075a5688420b27c8f33d426a998b3e691
1 /*
2 Unix SMB/CIFS implementation.
3 async next_pwent
4 Copyright (C) Volker Lendecke 2009
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.
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.
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/>.
20 #include "includes.h"
21 #include "winbindd.h"
22 #include "librpc/gen_ndr/ndr_wbint_c.h"
23 #include "passdb/machine_sid.h"
25 struct wb_next_pwent_state {
26 struct tevent_context *ev;
27 struct getpwent_state *gstate;
28 struct winbindd_pw *pw;
31 static void wb_next_pwent_fetch_done(struct tevent_req *subreq);
32 static void wb_next_pwent_fill_done(struct tevent_req *subreq);
34 static struct winbindd_domain *wb_next_find_domain(struct winbindd_domain *domain)
36 if (domain == NULL) {
37 domain = domain_list();
38 } else {
39 domain = domain->next;
42 if ((domain != NULL)
43 && sid_check_is_domain(&domain->sid)) {
44 domain = domain->next;
46 return domain;
49 struct tevent_req *wb_next_pwent_send(TALLOC_CTX *mem_ctx,
50 struct tevent_context *ev,
51 struct getpwent_state *gstate,
52 struct winbindd_pw *pw)
54 struct tevent_req *req, *subreq;
55 struct wb_next_pwent_state *state;
57 req = tevent_req_create(mem_ctx, &state, struct wb_next_pwent_state);
58 if (req == NULL) {
59 return NULL;
61 state->ev = ev;
62 state->gstate = gstate;
63 state->pw = pw;
65 if (state->gstate->next_user >= state->gstate->num_users) {
66 TALLOC_FREE(state->gstate->users);
68 state->gstate->domain = wb_next_find_domain(state->gstate->domain);
69 if (state->gstate->domain == NULL) {
70 tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
71 return tevent_req_post(req, ev);
73 subreq = wb_query_user_list_send(state, state->ev,
74 state->gstate->domain);
75 if (tevent_req_nomem(subreq, req)) {
76 return tevent_req_post(req, ev);
78 tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
79 return req;
82 subreq = wb_fill_pwent_send(
83 state, state->ev,
84 &state->gstate->users[state->gstate->next_user],
85 state->pw);
86 if (tevent_req_nomem(subreq, req)) {
87 return tevent_req_post(req, ev);
89 tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
90 return req;
93 static void wb_next_pwent_fetch_done(struct tevent_req *subreq)
95 struct tevent_req *req = tevent_req_callback_data(
96 subreq, struct tevent_req);
97 struct wb_next_pwent_state *state = tevent_req_data(
98 req, struct wb_next_pwent_state);
99 NTSTATUS status;
101 status = wb_query_user_list_recv(subreq, state->gstate,
102 &state->gstate->num_users,
103 &state->gstate->users);
104 TALLOC_FREE(subreq);
105 if (!NT_STATUS_IS_OK(status)) {
106 /* Ignore errors here, just log it */
107 DEBUG(10, ("query_user_list for domain %s returned %s\n",
108 state->gstate->domain->name,
109 nt_errstr(status)));
110 state->gstate->num_users = 0;
113 if (state->gstate->num_users == 0) {
114 state->gstate->domain = state->gstate->domain->next;
116 if ((state->gstate->domain != NULL)
117 && sid_check_is_domain(&state->gstate->domain->sid)) {
118 state->gstate->domain = state->gstate->domain->next;
121 if (state->gstate->domain == NULL) {
122 tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
123 return;
125 subreq = wb_query_user_list_send(state, state->ev,
126 state->gstate->domain);
127 if (tevent_req_nomem(subreq, req)) {
128 return;
130 tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
131 return;
134 state->gstate->next_user = 0;
136 subreq = wb_fill_pwent_send(
137 state, state->ev,
138 &state->gstate->users[state->gstate->next_user],
139 state->pw);
140 if (tevent_req_nomem(subreq, req)) {
141 return;
143 tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
146 static void wb_next_pwent_fill_done(struct tevent_req *subreq)
148 struct tevent_req *req = tevent_req_callback_data(
149 subreq, struct tevent_req);
150 struct wb_next_pwent_state *state = tevent_req_data(
151 req, struct wb_next_pwent_state);
152 NTSTATUS status;
154 status = wb_fill_pwent_recv(subreq);
155 TALLOC_FREE(subreq);
157 * When you try to enumerate users with 'getent passwd' and the user
158 * doesn't have a uid set we should just move on.
160 if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
161 state->gstate->next_user += 1;
163 if (state->gstate->next_user >= state->gstate->num_users) {
164 TALLOC_FREE(state->gstate->users);
166 state->gstate->domain = wb_next_find_domain(state->gstate->domain);
167 if (state->gstate->domain == NULL) {
168 tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
169 return;
172 subreq = wb_query_user_list_send(state, state->ev,
173 state->gstate->domain);
174 if (tevent_req_nomem(subreq, req)) {
175 return;
177 tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
178 return;
181 subreq = wb_fill_pwent_send(state,
182 state->ev,
183 &state->gstate->users[state->gstate->next_user],
184 state->pw);
185 if (tevent_req_nomem(subreq, req)) {
186 return;
188 tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
190 return;
191 } else if (tevent_req_nterror(req, status)) {
192 return;
194 state->gstate->next_user += 1;
195 tevent_req_done(req);
198 NTSTATUS wb_next_pwent_recv(struct tevent_req *req)
200 return tevent_req_simple_recv_ntstatus(req);