source: vendor/3.5.0/source4/cldap_server/rootdse.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 4.7 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 CLDAP server - rootdse handling
5
6 Copyright (C) Stefan Metzmacher 2006
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "includes.h"
23#include <tevent.h>
24#include "libcli/ldap/ldap.h"
25#include "lib/ldb/include/ldb.h"
26#include "lib/ldb/include/ldb_errors.h"
27#include "smbd/service_task.h"
28#include "cldap_server/cldap_server.h"
29#include "librpc/gen_ndr/ndr_misc.h"
30#include "dsdb/samdb/samdb.h"
31#include "ldb_wrap.h"
32
33static void cldapd_rootdse_fill(struct cldapd_server *cldapd,
34 TALLOC_CTX *mem_ctx,
35 struct ldap_SearchRequest *search,
36 struct ldap_SearchResEntry **response,
37 struct ldap_Result *result)
38{
39 struct ldap_SearchResEntry *ent = NULL;
40 struct ldb_dn *basedn;
41 struct ldb_result *res = NULL;
42 struct ldb_request *lreq;
43 enum ldb_scope scope = LDB_SCOPE_DEFAULT;
44 const char **attrs = NULL;
45 const char *errstr = NULL;
46 int ret = 0;
47 int ldb_ret = -1;
48
49 basedn = ldb_dn_new(mem_ctx, cldapd->samctx, NULL);
50 if (basedn == NULL) goto nomem;
51 scope = LDB_SCOPE_BASE;
52
53 if (search->num_attributes >= 1) {
54 int i;
55
56 attrs = talloc_array(mem_ctx, const char *, search->num_attributes+1);
57 if (attrs == NULL) goto nomem;
58
59 for (i=0; i < search->num_attributes; i++) {
60 attrs[i] = search->attributes[i];
61 }
62 attrs[i] = NULL;
63 }
64
65 res = talloc_zero(mem_ctx, struct ldb_result);
66 if (res == NULL) goto nomem;
67
68 ldb_ret = ldb_build_search_req_ex(&lreq, cldapd->samctx, mem_ctx,
69 basedn, scope,
70 search->tree, attrs,
71 NULL,
72 res, ldb_search_default_callback,
73 NULL);
74
75 if (ldb_ret != LDB_SUCCESS) {
76 goto reply;
77 }
78
79 /* Copy the timeout from the incoming call */
80 ldb_set_timeout(cldapd->samctx, lreq, search->timelimit);
81
82 ldb_ret = ldb_request(cldapd->samctx, lreq);
83 if (ldb_ret != LDB_SUCCESS) {
84 goto reply;
85 }
86
87 ldb_ret = ldb_wait(lreq->handle, LDB_WAIT_ALL);
88 if (ldb_ret != LDB_SUCCESS) {
89 goto reply;
90 }
91
92 if (res->count > 1) {
93 errstr = "Internal error: to much replies";
94 ldb_ret = LDB_ERR_OTHER;
95 goto reply;
96 } else if (res->count == 1) {
97 int j;
98
99 ent = talloc(mem_ctx, struct ldap_SearchResEntry);
100 if (ent == NULL) goto nomem;
101
102 ent->dn = ldb_dn_alloc_linearized(ent, res->msgs[0]->dn);
103 if (ent->dn == NULL) goto nomem;
104 ent->num_attributes = 0;
105 ent->attributes = NULL;
106 if (res->msgs[0]->num_elements == 0) {
107 goto reply;
108 }
109 ent->num_attributes = res->msgs[0]->num_elements;
110 ent->attributes = talloc_array(ent, struct ldb_message_element, ent->num_attributes);
111 if (ent->attributes == NULL) goto nomem;
112 for (j=0; j < ent->num_attributes; j++) {
113 ent->attributes[j].name = talloc_steal(ent->attributes, res->msgs[0]->elements[j].name);
114 ent->attributes[j].num_values = 0;
115 ent->attributes[j].values = NULL;
116 if (search->attributesonly && (res->msgs[0]->elements[j].num_values == 0)) {
117 continue;
118 }
119 ent->attributes[j].num_values = res->msgs[0]->elements[j].num_values;
120 ent->attributes[j].values = res->msgs[0]->elements[j].values;
121 talloc_steal(ent->attributes, res->msgs[0]->elements[j].values);
122 }
123 }
124
125reply:
126 if (ret) {
127 /* nothing ... */
128 } else if (ldb_ret == LDB_SUCCESS) {
129 ret = LDAP_SUCCESS;
130 errstr = NULL;
131 } else {
132 ret = ldb_ret;
133 errstr = ldb_errstring(cldapd->samctx);
134 }
135 goto done;
136nomem:
137 talloc_free(ent);
138 ret = LDAP_OPERATIONS_ERROR;
139 errstr = "No memory";
140done:
141 *response = ent;
142 result->resultcode = ret;
143 result->errormessage = (errstr?talloc_strdup(mem_ctx, errstr):NULL);
144}
145
146/*
147 handle incoming cldap requests
148*/
149void cldapd_rootdse_request(struct cldap_socket *cldap,
150 struct cldapd_server *cldapd,
151 TALLOC_CTX *tmp_ctx,
152 uint32_t message_id,
153 struct ldap_SearchRequest *search,
154 struct tsocket_address *src)
155{
156 NTSTATUS status;
157 struct cldap_reply reply;
158 struct ldap_Result result;
159
160 ZERO_STRUCT(result);
161
162 reply.messageid = message_id;
163 reply.dest = src;
164 reply.response = NULL;
165 reply.result = &result;
166
167 cldapd_rootdse_fill(cldapd, tmp_ctx, search, &reply.response, reply.result);
168
169 status = cldap_reply_send(cldap, &reply);
170 if (!NT_STATUS_IS_OK(status)) {
171 DEBUG(2,("cldap rootdse query failed '%s' - %s\n",
172 ldb_filter_from_tree(tmp_ctx, search->tree), nt_errstr(status)));
173 }
174
175 return;
176}
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