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
|
/*
SSSD
tools_utils.c
Copyright (C) Jakub Hrozek <jhrozek@redhat.com> 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 <talloc.h>
#include <tevent.h>
#include <popt.h>
#include "util/util.h"
#include "confdb/confdb.h"
#include "db/sysdb.h"
#include "tools/tools_util.h"
/* Even in LOCAL database, we must enforce MPG. That means enforcing the following rules:
*
* 1. Users and groups must share the same name space. There can never be
* a real group that has the same name of a real user.
* 2. Users and Groups must share the same ID space a group can never have
* a gidNumber that is numerically equal to a uidNumber Otherwise the
* user MPG will conflict with said group.
*/
struct ucheck {
bool done;
bool dup;
int error;
};
void check_unique_callback(void *ptr, int error, struct ldb_result *res)
{
struct ucheck *data = talloc_get_type(ptr, struct ucheck);
data->done = true;
if (error) {
data->error = error;
}
if (res->count != 0) {
data->dup = true;
}
}
int check_user_name_unique(struct tools_ctx *ctx, const char *name)
{
struct ucheck *data;
int ret = EOK;
data = talloc_zero(NULL, struct ucheck);
if (!data) return ENOMEM;
ret = sysdb_getgrnam(data, ctx->sysdb,
"LOCAL", name, false,
check_unique_callback, data);
if (ret != EOK) {
DEBUG(1, ("sysdb_getgrnam failed: %d\n", ret));
goto done;
}
while (!data->done) {
tevent_loop_once(ctx->ev);
}
if (data->error) {
ret = data->error;
goto done;
}
if (data->dup) {
ret = EEXIST;
}
done:
talloc_free(data);
return ret;
}
int check_group_name_unique(struct tools_ctx *ctx, const char *name)
{
struct ucheck *data;
int ret;
data = talloc_zero(NULL, struct ucheck);
if (!data) return ENOMEM;
ret = sysdb_getpwnam(data, ctx->sysdb,
"LOCAL", name, false,
check_unique_callback, data);
if (ret != EOK) {
DEBUG(1, ("sysdb_getgrnam failed: %d\n", ret));
goto done;
}
while (!data->done) {
tevent_loop_once(ctx->ev);
}
if (data->error) {
ret = data->error;
goto done;
}
if (data->dup) {
ret = EEXIST;
}
done:
talloc_free(data);
return ret;
}
int setup_db(struct tools_ctx **tools_ctx)
{
TALLOC_CTX *tmp_ctx;
char *confdb_path;
struct tools_ctx *ctx;
int ret;
ctx = talloc_zero(NULL, struct tools_ctx);
if (ctx == NULL) {
DEBUG(1, ("Could not allocate memory for tools context"));
return ENOMEM;
}
/* Create the event context */
ctx->ev = tevent_context_init(ctx);
if (ctx->ev == NULL) {
DEBUG(1, ("Could not create event context"));
talloc_free(ctx);
return EIO;
}
tmp_ctx = talloc_new(ctx);
if (!tmp_ctx)
return ENOMEM;
confdb_path = talloc_asprintf(tmp_ctx, "%s/%s", DB_PATH, CONFDB_FILE);
if (confdb_path == NULL) {
talloc_free(ctx);
return ENOMEM;
}
/* Connect to the conf db */
ret = confdb_init(ctx, ctx->ev, &ctx->confdb, confdb_path);
if (ret != EOK) {
DEBUG(1, ("Could not initialize connection to the confdb"));
talloc_free(ctx);
return ret;
}
ret = confdb_get_domains(ctx->confdb, ctx, &ctx->domains);
if (ret != EOK) {
DEBUG(1, ("Could not get domains"));
talloc_free(ctx);
return ret;
}
/* open sysdb at default path */
ret = sysdb_init(ctx, ctx->ev, ctx->confdb, NULL, &ctx->sysdb);
if (ret != EOK) {
DEBUG(1, ("Could not initialize connection to the sysdb"));
talloc_free(ctx);
return ret;
}
talloc_free(tmp_ctx);
*tools_ctx = ctx;
return EOK;
}
/*
* Print poptUsage as well as our error message
*/
void usage(poptContext pc, const char *error)
{
poptPrintUsage(pc, stderr, 0);
if (error) fprintf(stderr, "%s", error);
}
|
