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
|
/*
Unix SMB/CIFS implementation.
CLDAP server - rootdse handling
Copyright (C) Stefan Metzmacher 2006
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 <tevent.h>
#include <ldb.h>
#include <ldb_errors.h>
#include "smbd/service_task.h"
#include "cldap_server/cldap_server.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "dsdb/samdb/samdb.h"
#include "ldb_wrap.h"
static void cldapd_rootdse_fill(struct cldapd_server *cldapd,
TALLOC_CTX *mem_ctx,
struct ldap_SearchRequest *search,
struct ldap_SearchResEntry **response,
struct ldap_Result *result)
{
struct ldap_SearchResEntry *ent = NULL;
struct ldb_result *res = NULL;
struct ldb_request *lreq;
const char **attrs = NULL;
const char *errstr = NULL;
int ret = LDAP_SUCCESS, ldb_ret;
if (search->num_attributes >= 1) {
int i;
attrs = talloc_array(mem_ctx, const char *, search->num_attributes+1);
if (attrs == NULL) goto nomem;
for (i=0; i < search->num_attributes; i++) {
attrs[i] = search->attributes[i];
}
attrs[i] = NULL;
}
res = talloc_zero(mem_ctx, struct ldb_result);
if (res == NULL) goto nomem;
ldb_ret = ldb_build_search_req_ex(&lreq, cldapd->samctx, mem_ctx,
NULL, LDB_SCOPE_BASE,
search->tree, attrs,
NULL,
res, ldb_search_default_callback,
NULL);
if (ldb_ret != LDB_SUCCESS) {
goto reply;
}
/* Copy the timeout from the incoming call */
ldb_set_timeout(cldapd->samctx, lreq, search->timelimit);
ldb_ret = ldb_request(cldapd->samctx, lreq);
if (ldb_ret != LDB_SUCCESS) {
goto reply;
}
ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
if (ldb_ret != LDB_SUCCESS) {
goto reply;
}
if (res->count > 1) {
errstr = "Internal error: to much replies";
ldb_ret = LDB_ERR_OTHER;
goto reply;
} else if (res->count == 1) {
int j;
ent = talloc(mem_ctx, struct ldap_SearchResEntry);
if (ent == NULL) goto nomem;
ent->dn = ldb_dn_alloc_linearized(ent, res->msgs[0]->dn);
if (ent->dn == NULL) goto nomem;
ent->num_attributes = 0;
ent->attributes = NULL;
if (res->msgs[0]->num_elements == 0) {
goto reply;
}
ent->num_attributes = res->msgs[0]->num_elements;
ent->attributes = talloc_array(ent, struct ldb_message_element,
ent->num_attributes);
if (ent->attributes == NULL) goto nomem;
for (j=0; j < ent->num_attributes; j++) {
ent->attributes[j].name = talloc_steal(ent->attributes,
res->msgs[0]->elements[j].name);
ent->attributes[j].num_values = 0;
ent->attributes[j].values = NULL;
if (search->attributesonly && (res->msgs[0]->elements[j].num_values == 0)) {
continue;
}
ent->attributes[j].num_values = res->msgs[0]->elements[j].num_values;
ent->attributes[j].values = res->msgs[0]->elements[j].values;
talloc_steal(ent->attributes, res->msgs[0]->elements[j].values);
}
}
reply:
if (ret != LDAP_SUCCESS) {
/* nothing ... */
} else if (ldb_ret == LDB_SUCCESS) {
ret = LDAP_SUCCESS;
errstr = NULL;
} else {
ret = ldb_ret;
errstr = ldb_errstring(cldapd->samctx);
}
goto done;
nomem:
talloc_free(ent);
ret = LDAP_OPERATIONS_ERROR;
errstr = "No memory";
done:
*response = ent;
result->resultcode = ret;
result->errormessage = (errstr?talloc_strdup(mem_ctx, errstr):NULL);
}
/*
handle incoming cldap requests
*/
void cldapd_rootdse_request(struct cldap_socket *cldap,
struct cldapd_server *cldapd,
TALLOC_CTX *tmp_ctx,
uint32_t message_id,
struct ldap_SearchRequest *search,
struct tsocket_address *src)
{
NTSTATUS status;
struct cldap_reply reply;
struct ldap_Result result;
ZERO_STRUCT(result);
reply.messageid = message_id;
reply.dest = src;
reply.response = NULL;
reply.result = &result;
/* Note: The remoteAddress should rather be set on a ldb request.
* We can set this savely on the context here,
* since cldapd_rootdse_fill operates synchronously. */
ldb_set_opaque(cldapd->samctx, "remoteAddress", src);
cldapd_rootdse_fill(cldapd, tmp_ctx, search, &reply.response,
reply.result);
status = cldap_reply_send(cldap, &reply);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(2,("cldap rootdse query failed '%s' - %s\n",
ldb_filter_from_tree(tmp_ctx, search->tree), nt_errstr(status)));
}
return;
}
|
