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
203
|
/*
Unix SMB/CIFS implementation.
Backend for getpwuid
Copyright (C) Kai Blin 2007
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 "libcli/composite/composite.h"
#include "winbind/wb_server.h"
#include "winbind/wb_async_helpers.h"
#include "winbind/wb_helper.h"
#include "smbd/service_task.h"
#include "nsswitch/winbindd_nss.h"
#include "libnet/libnet_proto.h"
#include "param/proto.h"
#include "libcli/security/proto.h"
#include "auth/credentials/credentials.h"
struct cmd_getpwuid_state {
struct composite_context *ctx;
struct wbsrv_service *service;
uid_t uid;
char *workgroup;
struct wbsrv_domain *domain;
struct winbindd_pw *result;
};
static void cmd_getpwuid_recv_sid(struct composite_context *ctx);
static void cmd_getpwuid_recv_domain(struct composite_context *ctx);
static void cmd_getpwuid_recv_user_info(struct composite_context *ctx);
static void cmd_getpwuid_recv_gid(struct composite_context *ctx);
/* Get the SID using the uid */
struct composite_context *wb_cmd_getpwuid_send(TALLOC_CTX *mem_ctx,
struct wbsrv_service *service,
uid_t uid)
{
struct composite_context *ctx, *result;
struct cmd_getpwuid_state *state;
DEBUG(5, ("wb_cmd_getpwnam_send called\n"));
result = composite_create(mem_ctx, service->task->event_ctx);
if (!result) return NULL;
state = talloc(result, struct cmd_getpwuid_state);
if (composite_nomem(state, result)) return result;
state->ctx = result;
result->private_data = state;
state->service = service;
state->uid = uid;
ctx = wb_uid2sid_send(state, service, uid);
if (composite_nomem(ctx, state->ctx)) return result;
composite_continue(result, ctx, cmd_getpwuid_recv_sid, state);
return result;
}
/* Receive the sid and get the domain structure with it */
static void cmd_getpwuid_recv_sid(struct composite_context *ctx)
{
struct cmd_getpwuid_state *state =
talloc_get_type(ctx->async.private_data,
struct cmd_getpwuid_state);
struct dom_sid *sid;
DEBUG(5, ("cmd_getpwuid_recv_sid called %p\n", ctx->private_data));
state->ctx->status = wb_uid2sid_recv(ctx, state, &sid);
if (!composite_is_ok(state->ctx)) return;
ctx = wb_sid2domain_send(state, state->service, sid);
composite_continue(state->ctx, ctx, cmd_getpwuid_recv_domain, state);
}
/* Receive the domain struct and call libnet to get the user info struct */
static void cmd_getpwuid_recv_domain(struct composite_context *ctx)
{
struct cmd_getpwuid_state *state =
talloc_get_type(ctx->async.private_data,
struct cmd_getpwuid_state);
struct libnet_UserInfo *user_info;
DEBUG(5, ("cmd_getpwuid_recv_domain called\n"));
state->ctx->status = wb_sid2domain_recv(ctx, &state->domain);
if (!composite_is_ok(state->ctx)) return;
user_info = talloc(state, struct libnet_UserInfo);
if (composite_nomem(user_info, state->ctx)) return;
user_info->in.user_name = state->domain->libnet_ctx->cred->username;
user_info->in.domain_name = state->domain->libnet_ctx->samr.name;
/* We need the workgroup later, so copy it */
state->workgroup = talloc_strdup(state,
state->domain->libnet_ctx->samr.name);
if (composite_nomem(state->workgroup, state->ctx)) return;
ctx = libnet_UserInfo_send(state->domain->libnet_ctx, state, user_info,
NULL);
composite_continue(state->ctx, ctx, cmd_getpwuid_recv_user_info, state);
}
/* Receive the user info struct and get the gid for the user */
static void cmd_getpwuid_recv_user_info(struct composite_context *ctx)
{
struct cmd_getpwuid_state *state =
talloc_get_type(ctx->async.private_data,
struct cmd_getpwuid_state);
struct libnet_UserInfo *user_info;
struct winbindd_pw *pw;
DEBUG(5, ("cmd_getpwuid_recv_user_info called\n"));
pw = talloc(state, struct winbindd_pw);
if (composite_nomem(pw, state->ctx)) return;
user_info = talloc(state, struct libnet_UserInfo);
if(composite_nomem(user_info, state->ctx)) return;
state->ctx->status = libnet_UserInfo_recv(ctx, state, user_info);
if (!composite_is_ok(state->ctx)) return;
WBSRV_SAMBA3_SET_STRING(pw->pw_name, user_info->out.account_name);
WBSRV_SAMBA3_SET_STRING(pw->pw_passwd, "*");
WBSRV_SAMBA3_SET_STRING(pw->pw_gecos, user_info->out.full_name);
WBSRV_SAMBA3_SET_STRING(pw->pw_dir, lp_template_homedir());
all_string_sub(pw->pw_dir, "%WORKGROUP%", state->workgroup,
sizeof(fstring) - 1);
all_string_sub(pw->pw_dir, "%ACCOUNTNAME%", user_info->out.account_name,
sizeof(fstring) - 1);
WBSRV_SAMBA3_SET_STRING(pw->pw_shell, lp_template_shell());
pw->pw_uid = state->uid;
state->result = pw;
ctx = wb_sid2gid_send(state, state->service,
user_info->out.primary_group_sid);
composite_continue(state->ctx, ctx, cmd_getpwuid_recv_gid, state);
}
static void cmd_getpwuid_recv_gid(struct composite_context *ctx)
{
struct cmd_getpwuid_state *state =
talloc_get_type(ctx->async.private_data,
struct cmd_getpwuid_state);
gid_t gid;
DEBUG(5, ("cmd_getpwuid_recv_gid called\n"));
state->ctx->status = wb_sid2gid_recv(ctx, &gid);
if (!composite_is_ok(state->ctx)) return;
state->result->pw_gid = gid;
composite_done(state->ctx);
}
NTSTATUS wb_cmd_getpwuid_recv(struct composite_context *ctx,
TALLOC_CTX *mem_ctx, struct winbindd_pw **pw)
{
NTSTATUS status = composite_wait(ctx);
DEBUG(5, ("wb_cmd_getpwnam_recv called\n"));
if (NT_STATUS_IS_OK(status)) {
struct cmd_getpwuid_state *state =
talloc_get_type(ctx->private_data,
struct cmd_getpwuid_state);
*pw = talloc_steal(mem_ctx, state->result);
}
talloc_free(ctx);
return status;
}
|
