1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/*
Unix SMB/CIFS implementation.
async next_pwent
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/ndr_wbint_c.h"
#include "passdb/machine_sid.h"
struct wb_next_pwent_state {
struct tevent_context *ev;
struct getpwent_state *gstate;
struct winbindd_pw *pw;
};
static void wb_next_pwent_fetch_done(struct tevent_req *subreq);
static void wb_next_pwent_fill_done(struct tevent_req *subreq);
struct tevent_req *wb_next_pwent_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct getpwent_state *gstate,
struct winbindd_pw *pw)
{
struct tevent_req *req, *subreq;
struct wb_next_pwent_state *state;
req = tevent_req_create(mem_ctx, &state, struct wb_next_pwent_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
state->gstate = gstate;
state->pw = pw;
if (state->gstate->next_user >= state->gstate->num_users) {
TALLOC_FREE(state->gstate->users);
if (state->gstate->domain == NULL) {
state->gstate->domain = domain_list();
} else {
state->gstate->domain = state->gstate->domain->next;
}
if ((state->gstate->domain != NULL)
&& sid_check_is_domain(&state->gstate->domain->sid)) {
state->gstate->domain = state->gstate->domain->next;
}
if (state->gstate->domain == NULL) {
tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
return tevent_req_post(req, ev);
}
subreq = wb_query_user_list_send(state, state->ev,
state->gstate->domain);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
return req;
}
subreq = wb_fill_pwent_send(
state, state->ev,
&state->gstate->users[state->gstate->next_user],
state->pw);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
return req;
}
static void wb_next_pwent_fetch_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_next_pwent_state *state = tevent_req_data(
req, struct wb_next_pwent_state);
NTSTATUS status;
status = wb_query_user_list_recv(subreq, state->gstate,
&state->gstate->num_users,
&state->gstate->users);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
/* Ignore errors here, just log it */
DEBUG(10, ("query_user_list for domain %s returned %s\n",
state->gstate->domain->name,
nt_errstr(status)));
state->gstate->num_users = 0;
}
if (state->gstate->num_users == 0) {
state->gstate->domain = state->gstate->domain->next;
if ((state->gstate->domain != NULL)
&& sid_check_is_domain(&state->gstate->domain->sid)) {
state->gstate->domain = state->gstate->domain->next;
}
if (state->gstate->domain == NULL) {
tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
return;
}
subreq = wb_query_user_list_send(state, state->ev,
state->gstate->domain);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
return;
}
state->gstate->next_user = 0;
subreq = wb_fill_pwent_send(
state, state->ev,
&state->gstate->users[state->gstate->next_user],
state->pw);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
}
static void wb_next_pwent_fill_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_next_pwent_state *state = tevent_req_data(
req, struct wb_next_pwent_state);
NTSTATUS status;
status = wb_fill_pwent_recv(subreq);
TALLOC_FREE(subreq);
/*
* When you try to enumerate users with 'getent passwd' and the user
* doesn't have a uid set we should just move on.
*/
if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
state->gstate->next_user += 1;
subreq = wb_fill_pwent_send(state,
state->ev,
&state->gstate->users[state->gstate->next_user],
state->pw);
if (tevent_req_nomem(subreq, req)) {
tevent_req_post(req, state->ev);
return;
}
tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
return;
} else if (tevent_req_nterror(req, status)) {
return;
}
state->gstate->next_user += 1;
tevent_req_done(req);
}
NTSTATUS wb_next_pwent_recv(struct tevent_req *req)
{
return tevent_req_simple_recv_ntstatus(req);
}
|
