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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
Unix SMB/CIFS implementation.
async fill_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/cli_wbint.h"
struct wb_fill_pwent_state {
struct tevent_context *ev;
struct wbint_userinfo *info;
struct winbindd_pw *pw;
};
static bool fillup_pw_field(const char *lp_template,
const char *username,
const char *domname,
uid_t uid,
gid_t gid,
const char *in,
fstring out);
static void wb_fill_pwent_sid2uid_done(struct tevent_req *subreq);
static void wb_fill_pwent_sid2gid_done(struct tevent_req *subreq);
struct tevent_req *wb_fill_pwent_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct wbint_userinfo *info,
struct winbindd_pw *pw)
{
struct tevent_req *req, *subreq;
struct wb_fill_pwent_state *state;
req = tevent_req_create(mem_ctx, &state, struct wb_fill_pwent_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
state->info = info;
state->pw = pw;
subreq = wb_sid2uid_send(state, state->ev, &state->info->user_sid);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_fill_pwent_sid2uid_done, req);
return req;
}
static void wb_fill_pwent_sid2uid_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_fill_pwent_state *state = tevent_req_data(
req, struct wb_fill_pwent_state);
NTSTATUS status;
status = wb_sid2uid_recv(subreq, &state->pw->pw_uid);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return;
}
subreq = wb_sid2gid_send(state, state->ev, &state->info->group_sid);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_fill_pwent_sid2gid_done, req);
}
static void wb_fill_pwent_sid2gid_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_fill_pwent_state *state = tevent_req_data(
req, struct wb_fill_pwent_state);
struct winbindd_domain *domain;
char *dom_name;
fstring user_name, output_username;
char *mapped_name = NULL;
NTSTATUS status;
status = wb_sid2gid_recv(subreq, &state->pw->pw_gid);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return;
}
domain = find_domain_from_sid_noinit(&state->info->user_sid);
if (domain == NULL) {
tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
return;
}
dom_name = domain->name;
/* Username */
fstrcpy(user_name, state->info->acct_name);
strlower_m(user_name);
status = normalize_name_map(state, domain, user_name, &mapped_name);
/* Basic removal of whitespace */
if (NT_STATUS_IS_OK(status)) {
fill_domain_username(output_username, dom_name, mapped_name,
true);
}
/* Complete name replacement */
else if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_RENAMED)) {
fstrcpy(output_username, mapped_name);
}
/* No change at all */
else {
fill_domain_username(output_username, dom_name, user_name,
true);
}
fstrcpy(state->pw->pw_name, output_username);
fstrcpy(state->pw->pw_gecos, state->info->full_name);
/* Home directory and shell */
if (!fillup_pw_field(lp_template_homedir(), user_name, dom_name,
state->pw->pw_uid, state->pw->pw_gid,
state->info->homedir, state->pw->pw_dir)) {
tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
return;
}
if (!fillup_pw_field(lp_template_shell(), user_name, dom_name,
state->pw->pw_uid, state->pw->pw_gid,
state->info->shell, state->pw->pw_shell)) {
tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
return;
}
/* Password - set to "*" as we can't generate anything useful here.
Authentication can be done using the pam_winbind module. */
fstrcpy(state->pw->pw_passwd, "*");
tevent_req_done(req);
}
NTSTATUS wb_fill_pwent_recv(struct tevent_req *req)
{
return tevent_req_simple_recv_ntstatus(req);
}
static bool fillup_pw_field(const char *lp_template,
const char *username,
const char *domname,
uid_t uid,
gid_t gid,
const char *in,
fstring out)
{
char *templ;
if (out == NULL)
return False;
/* The substitution of %U and %D in the 'template
homedir' is done by talloc_sub_specified() below.
If we have an in string (which means the value has already
been set in the nss_info backend), then use that.
Otherwise use the template value passed in. */
if ((in != NULL) && (in[0] != '\0') && (lp_security() == SEC_ADS)) {
templ = talloc_sub_specified(talloc_tos(), in,
username, domname,
uid, gid);
} else {
templ = talloc_sub_specified(talloc_tos(), lp_template,
username, domname,
uid, gid);
}
if (!templ)
return False;
safe_strcpy(out, templ, sizeof(fstring) - 1);
TALLOC_FREE(templ);
return True;
}
|
