2 Unix SMB/CIFS implementation.
4 CLDAP server - netlogon handling
6 Copyright (C) Andrew Tridgell 2005
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.
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.
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/>.
23 #include "libcli/ldap/ldap_ndr.h"
24 #include "lib/ldb/include/ldb.h"
25 #include "lib/ldb/include/ldb_errors.h"
26 #include "lib/events/events.h"
27 #include "lib/socket/socket.h"
28 #include "smbd/service_task.h"
29 #include "cldap_server/cldap_server.h"
30 #include "librpc/gen_ndr/ndr_misc.h"
31 #include "dsdb/samdb/samdb.h"
32 #include "auth/auth.h"
34 #include "system/network.h"
35 #include "lib/socket/netif.h"
36 #include "param/param.h"
39 fill in the cldap netlogon union for a given version
41 static NTSTATUS cldapd_netlogon_fill(struct cldapd_server *cldapd,
44 const char *domain_guid,
46 const char *src_address,
48 struct loadparm_context *lp_ctx,
49 union nbt_cldap_netlogon *netlogon)
51 const char *ref_attrs[] = {"nETBIOSName", "dnsRoot", "ncName", NULL};
52 const char *dom_attrs[] = {"objectGUID", NULL};
53 struct ldb_result *ref_res = NULL, *dom_res = NULL;
55 const char **services = lp_server_services(lp_ctx);
58 struct GUID domain_uuid;
60 const char *dns_domain;
61 const char *pdc_dns_name;
63 const char *server_site;
64 const char *client_site;
66 struct ldb_dn *partitions_basedn;
68 partitions_basedn = samdb_partitions_dn(cldapd->samctx, mem_ctx);
70 /* the domain has an optional trailing . */
71 if (domain && domain[strlen(domain)-1] == '.') {
72 domain = talloc_strndup(mem_ctx, domain, strlen(domain)-1);
76 struct ldb_dn *dom_dn;
77 /* try and find the domain */
79 ret = ldb_search_exp_fmt(cldapd->samctx, mem_ctx, &ref_res,
80 partitions_basedn, LDB_SCOPE_ONELEVEL,
82 "(&(&(objectClass=crossRef)(dnsRoot=%s))(nETBIOSName=*))",
85 if (ret != LDB_SUCCESS) {
86 DEBUG(2,("Unable to find referece to '%s' in sam: %s\n",
88 ldb_errstring(cldapd->samctx)));
89 return NT_STATUS_NO_SUCH_DOMAIN;
90 } else if (ref_res->count == 1) {
91 talloc_steal(mem_ctx, dom_res);
92 dom_dn = ldb_msg_find_attr_as_dn(cldapd->samctx, mem_ctx, ref_res->msgs[0], "ncName");
94 return NT_STATUS_NO_SUCH_DOMAIN;
96 ret = ldb_search(cldapd->samctx, dom_dn,
97 LDB_SCOPE_BASE, "objectClass=domain",
99 if (ret != LDB_SUCCESS) {
100 DEBUG(2,("Error finding domain '%s'/'%s' in sam: %s\n", domain, ldb_dn_get_linearized(dom_dn), ldb_errstring(cldapd->samctx)));
101 return NT_STATUS_NO_SUCH_DOMAIN;
103 talloc_steal(mem_ctx, dom_res);
104 if (dom_res->count != 1) {
105 DEBUG(2,("Error finding domain '%s'/'%s' in sam\n", domain, ldb_dn_get_linearized(dom_dn)));
106 return NT_STATUS_NO_SUCH_DOMAIN;
108 } else if (ref_res->count > 1) {
109 talloc_free(ref_res);
110 return NT_STATUS_NO_SUCH_DOMAIN;
114 if ((dom_res == NULL || dom_res->count == 0) && domain_guid) {
117 ret = ldb_search_exp_fmt(cldapd->samctx, mem_ctx, &dom_res,
118 NULL, LDB_SCOPE_SUBTREE,
120 "(&(objectClass=domainDNS)(objectGUID=%s))",
123 if (ret != LDB_SUCCESS) {
124 DEBUG(2,("Unable to find referece to GUID '%s' in sam: %s\n",
126 ldb_errstring(cldapd->samctx)));
127 return NT_STATUS_NO_SUCH_DOMAIN;
128 } else if (dom_res->count == 1) {
129 /* try and find the domain */
130 ret = ldb_search_exp_fmt(cldapd->samctx, mem_ctx, &ref_res,
131 partitions_basedn, LDB_SCOPE_ONELEVEL,
133 "(&(objectClass=crossRef)(ncName=%s))",
134 ldb_dn_get_linearized(dom_res->msgs[0]->dn));
136 if (ret != LDB_SUCCESS) {
137 DEBUG(2,("Unable to find referece to '%s' in sam: %s\n",
138 ldb_dn_get_linearized(dom_res->msgs[0]->dn),
139 ldb_errstring(cldapd->samctx)));
140 return NT_STATUS_NO_SUCH_DOMAIN;
142 } else if (ref_res->count != 1) {
143 DEBUG(2,("Unable to find referece to '%s' in sam\n",
144 ldb_dn_get_linearized(dom_res->msgs[0]->dn)));
145 return NT_STATUS_NO_SUCH_DOMAIN;
147 } else if (dom_res->count > 1) {
148 talloc_free(ref_res);
149 return NT_STATUS_NO_SUCH_DOMAIN;
153 if ((ref_res == NULL || ref_res->count == 0)) {
154 DEBUG(2,("Unable to find domain reference with name %s or GUID {%s}\n", domain, domain_guid));
155 return NT_STATUS_NO_SUCH_DOMAIN;
158 if ((dom_res == NULL || dom_res->count == 0)) {
159 DEBUG(2,("Unable to find domain with name %s or GUID {%s}\n", domain, domain_guid));
160 return NT_STATUS_NO_SUCH_DOMAIN;
164 NBT_SERVER_PDC | NBT_SERVER_GC |
165 NBT_SERVER_DS | NBT_SERVER_TIMESERV |
166 NBT_SERVER_CLOSEST | NBT_SERVER_WRITABLE |
167 NBT_SERVER_GOOD_TIMESERV;
169 if (str_list_check(services, "ldap")) {
170 server_type |= NBT_SERVER_LDAP;
173 if (str_list_check(services, "kdc")) {
174 server_type |= NBT_SERVER_KDC;
177 pdc_name = talloc_asprintf(mem_ctx, "\\\\%s", lp_netbios_name(lp_ctx));
178 domain_uuid = samdb_result_guid(dom_res->msgs[0], "objectGUID");
179 realm = samdb_result_string(ref_res->msgs[0], "dnsRoot", lp_realm(lp_ctx));
180 dns_domain = samdb_result_string(ref_res->msgs[0], "dnsRoot", lp_realm(lp_ctx));
181 pdc_dns_name = talloc_asprintf(mem_ctx, "%s.%s",
182 strlower_talloc(mem_ctx,
183 lp_netbios_name(lp_ctx)),
186 flatname = samdb_result_string(ref_res->msgs[0], "nETBIOSName",
187 lp_workgroup(lp_ctx));
188 server_site = "Default-First-Site-Name";
189 client_site = "Default-First-Site-Name";
190 pdc_ip = iface_best_ip(lp_ctx, src_address);
192 ZERO_STRUCTP(netlogon);
194 switch (version & 0xF) {
197 netlogon->logon1.type = (user?19+2:19);
198 netlogon->logon1.pdc_name = pdc_name;
199 netlogon->logon1.user_name = user;
200 netlogon->logon1.domain_name = flatname;
201 netlogon->logon1.nt_version = 1;
202 netlogon->logon1.lmnt_token = 0xFFFF;
203 netlogon->logon1.lm20_token = 0xFFFF;
207 netlogon->logon3.type = (user?19+2:19);
208 netlogon->logon3.pdc_name = pdc_name;
209 netlogon->logon3.user_name = user;
210 netlogon->logon3.domain_name = flatname;
211 netlogon->logon3.domain_uuid = domain_uuid;
212 netlogon->logon3.forest = realm;
213 netlogon->logon3.dns_domain = dns_domain;
214 netlogon->logon3.pdc_dns_name = pdc_dns_name;
215 netlogon->logon3.pdc_ip = pdc_ip;
216 netlogon->logon3.server_type = server_type;
217 netlogon->logon3.lmnt_token = 0xFFFF;
218 netlogon->logon3.lm20_token = 0xFFFF;
224 netlogon->logon5.type = (user?23+2:23);
225 netlogon->logon5.server_type = server_type;
226 netlogon->logon5.domain_uuid = domain_uuid;
227 netlogon->logon5.forest = realm;
228 netlogon->logon5.dns_domain = dns_domain;
229 netlogon->logon5.pdc_dns_name = pdc_dns_name;
230 netlogon->logon5.domain = flatname;
231 netlogon->logon5.pdc_name = lp_netbios_name(lp_ctx);
232 netlogon->logon5.user_name = user;
233 netlogon->logon5.server_site = server_site;
234 netlogon->logon5.client_site = client_site;
235 netlogon->logon5.lmnt_token = 0xFFFF;
236 netlogon->logon5.lm20_token = 0xFFFF;
239 netlogon->logon13.type = (user?23+2:23);
240 netlogon->logon13.server_type = server_type;
241 netlogon->logon13.domain_uuid = domain_uuid;
242 netlogon->logon13.forest = realm;
243 netlogon->logon13.dns_domain = dns_domain;
244 netlogon->logon13.pdc_dns_name = pdc_dns_name;
245 netlogon->logon13.domain = flatname;
246 netlogon->logon13.pdc_name = lp_netbios_name(lp_ctx);
247 netlogon->logon13.user_name = user;
248 netlogon->logon13.server_site = server_site;
249 netlogon->logon13.client_site = client_site;
250 netlogon->logon13.unknown = 10;
251 netlogon->logon13.unknown2 = 2;
252 netlogon->logon13.pdc_ip = pdc_ip;
253 netlogon->logon13.lmnt_token = 0xFFFF;
254 netlogon->logon13.lm20_token = 0xFFFF;
263 handle incoming cldap requests
265 void cldapd_netlogon_request(struct cldap_socket *cldap,
267 struct ldb_parse_tree *tree,
268 struct socket_address *src)
270 struct cldapd_server *cldapd = talloc_get_type(cldap->incoming.private, struct cldapd_server);
272 const char *domain = NULL;
273 const char *host = NULL;
274 const char *user = NULL;
275 const char *domain_guid = NULL;
276 const char *domain_sid = NULL;
277 int acct_control = -1;
279 union nbt_cldap_netlogon netlogon;
280 NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
282 TALLOC_CTX *tmp_ctx = talloc_new(cldap);
284 if (tree->operation != LDB_OP_AND) goto failed;
286 /* extract the query elements */
287 for (i=0;i<tree->u.list.num_elements;i++) {
288 struct ldb_parse_tree *t = tree->u.list.elements[i];
289 if (t->operation != LDB_OP_EQUALITY) goto failed;
290 if (strcasecmp(t->u.equality.attr, "DnsDomain") == 0) {
291 domain = talloc_strndup(tmp_ctx,
292 (const char *)t->u.equality.value.data,
293 t->u.equality.value.length);
295 if (strcasecmp(t->u.equality.attr, "Host") == 0) {
296 host = talloc_strndup(tmp_ctx,
297 (const char *)t->u.equality.value.data,
298 t->u.equality.value.length);
300 if (strcasecmp(t->u.equality.attr, "DomainGuid") == 0) {
303 enc_status = ldap_decode_ndr_GUID(tmp_ctx,
304 t->u.equality.value, &guid);
305 if (NT_STATUS_IS_OK(enc_status)) {
306 domain_guid = GUID_string(tmp_ctx, &guid);
309 if (strcasecmp(t->u.equality.attr, "DomainSid") == 0) {
310 domain_sid = talloc_strndup(tmp_ctx,
311 (const char *)t->u.equality.value.data,
312 t->u.equality.value.length);
314 if (strcasecmp(t->u.equality.attr, "User") == 0) {
315 user = talloc_strndup(tmp_ctx,
316 (const char *)t->u.equality.value.data,
317 t->u.equality.value.length);
319 if (strcasecmp(t->u.equality.attr, "NtVer") == 0 &&
320 t->u.equality.value.length == 4) {
321 version = IVAL(t->u.equality.value.data, 0);
323 if (strcasecmp(t->u.equality.attr, "AAC") == 0 &&
324 t->u.equality.value.length == 4) {
325 acct_control = IVAL(t->u.equality.value.data, 0);
329 if (domain_guid == NULL && domain == NULL) {
330 domain = lp_realm(cldapd->task->lp_ctx);
337 DEBUG(5,("cldap netlogon query domain=%s host=%s user=%s version=%d guid=%s\n",
338 domain, host, user, version, domain_guid));
340 status = cldapd_netlogon_fill(cldapd, tmp_ctx, domain, domain_guid,
342 version, cldapd->task->lp_ctx, &netlogon);
343 if (!NT_STATUS_IS_OK(status)) {
347 status = cldap_netlogon_reply(cldap, message_id, src, version,
349 if (!NT_STATUS_IS_OK(status)) {
353 talloc_free(tmp_ctx);
357 DEBUG(2,("cldap netlogon query failed domain=%s host=%s version=%d - %s\n",
358 domain, host, version, nt_errstr(status)));
359 talloc_free(tmp_ctx);
360 cldap_empty_reply(cldap, message_id, src);