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.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 union nbt_cldap_netlogon *netlogon)
50 const char *ref_attrs[] = {"nETBIOSName", "dnsRoot", "ncName", NULL};
51 const char *dom_attrs[] = {"objectGUID", NULL};
52 struct ldb_message **ref_res, **dom_res;
54 const char **services = lp_server_services(global_loadparm);
57 struct GUID domain_uuid;
59 const char *dns_domain;
60 const char *pdc_dns_name;
62 const char *server_site;
63 const char *client_site;
65 struct ldb_dn *partitions_basedn;
67 partitions_basedn = samdb_partitions_dn(cldapd->samctx, mem_ctx);
69 /* the domain has an optional trailing . */
70 if (domain && domain[strlen(domain)-1] == '.') {
71 domain = talloc_strndup(mem_ctx, domain, strlen(domain)-1);
75 struct ldb_result *dom_ldb_result;
76 struct ldb_dn *dom_dn;
77 /* try and find the domain */
78 count = gendb_search(cldapd->samctx, mem_ctx, partitions_basedn, &ref_res, ref_attrs,
79 "(&(&(objectClass=crossRef)(dnsRoot=%s))(nETBIOSName=*))",
82 dom_dn = samdb_result_dn(cldapd->samctx, mem_ctx, ref_res[0], "ncName", NULL);
84 return NT_STATUS_NO_SUCH_DOMAIN;
86 ret = ldb_search(cldapd->samctx, dom_dn,
87 LDB_SCOPE_BASE, "objectClass=domain",
88 dom_attrs, &dom_ldb_result);
89 if (ret != LDB_SUCCESS) {
90 DEBUG(2,("Error finding domain '%s'/'%s' in sam: %s\n", domain, ldb_dn_get_linearized(dom_dn), ldb_errstring(cldapd->samctx)));
91 return NT_STATUS_NO_SUCH_DOMAIN;
93 talloc_steal(mem_ctx, dom_ldb_result);
94 if (dom_ldb_result->count != 1) {
95 DEBUG(2,("Error finding domain '%s'/'%s' in sam\n", domain, ldb_dn_get_linearized(dom_dn)));
96 return NT_STATUS_NO_SUCH_DOMAIN;
98 dom_res = dom_ldb_result->msgs;
102 if (count == 0 && domain_guid) {
103 /* OK, so no dice with the name, try and find the domain with the GUID */
104 count = gendb_search(cldapd->samctx, mem_ctx, NULL, &dom_res, dom_attrs,
105 "(&(objectClass=domainDNS)(objectGUID=%s))",
108 /* try and find the domain */
109 ret = gendb_search(cldapd->samctx, mem_ctx, partitions_basedn, &ref_res, ref_attrs,
110 "(&(objectClass=crossRef)(ncName=%s))",
111 ldb_dn_get_linearized(dom_res[0]->dn));
113 DEBUG(2,("Unable to find referece to '%s' in sam\n",
114 ldb_dn_get_linearized(dom_res[0]->dn)));
115 return NT_STATUS_NO_SUCH_DOMAIN;
121 DEBUG(2,("Unable to find domain with name %s or GUID {%s}\n", domain, domain_guid));
122 return NT_STATUS_NO_SUCH_DOMAIN;
126 NBT_SERVER_PDC | NBT_SERVER_GC |
127 NBT_SERVER_DS | NBT_SERVER_TIMESERV |
128 NBT_SERVER_CLOSEST | NBT_SERVER_WRITABLE |
129 NBT_SERVER_GOOD_TIMESERV;
131 if (str_list_check(services, "ldap")) {
132 server_type |= NBT_SERVER_LDAP;
135 if (str_list_check(services, "kdc")) {
136 server_type |= NBT_SERVER_KDC;
139 pdc_name = talloc_asprintf(mem_ctx, "\\\\%s", lp_netbios_name(global_loadparm));
140 domain_uuid = samdb_result_guid(dom_res[0], "objectGUID");
141 realm = samdb_result_string(ref_res[0], "dnsRoot", lp_realm(global_loadparm));
142 dns_domain = samdb_result_string(ref_res[0], "dnsRoot", lp_realm(global_loadparm));
143 pdc_dns_name = talloc_asprintf(mem_ctx, "%s.%s",
144 strlower_talloc(mem_ctx,
145 lp_netbios_name(global_loadparm)),
148 flatname = samdb_result_string(ref_res[0], "nETBIOSName",
149 lp_workgroup(global_loadparm));
150 server_site = "Default-First-Site-Name";
151 client_site = "Default-First-Site-Name";
152 pdc_ip = iface_best_ip(src_address);
154 ZERO_STRUCTP(netlogon);
156 switch (version & 0xF) {
159 netlogon->logon1.type = (user?19+2:19);
160 netlogon->logon1.pdc_name = pdc_name;
161 netlogon->logon1.user_name = user;
162 netlogon->logon1.domain_name = flatname;
163 netlogon->logon1.nt_version = 1;
164 netlogon->logon1.lmnt_token = 0xFFFF;
165 netlogon->logon1.lm20_token = 0xFFFF;
169 netlogon->logon3.type = (user?19+2:19);
170 netlogon->logon3.pdc_name = pdc_name;
171 netlogon->logon3.user_name = user;
172 netlogon->logon3.domain_name = flatname;
173 netlogon->logon3.domain_uuid = domain_uuid;
174 netlogon->logon3.forest = realm;
175 netlogon->logon3.dns_domain = dns_domain;
176 netlogon->logon3.pdc_dns_name = pdc_dns_name;
177 netlogon->logon3.pdc_ip = pdc_ip;
178 netlogon->logon3.server_type = server_type;
179 netlogon->logon3.lmnt_token = 0xFFFF;
180 netlogon->logon3.lm20_token = 0xFFFF;
186 netlogon->logon5.type = (user?23+2:23);
187 netlogon->logon5.server_type = server_type;
188 netlogon->logon5.domain_uuid = domain_uuid;
189 netlogon->logon5.forest = realm;
190 netlogon->logon5.dns_domain = dns_domain;
191 netlogon->logon5.pdc_dns_name = pdc_dns_name;
192 netlogon->logon5.domain = flatname;
193 netlogon->logon5.pdc_name = lp_netbios_name(global_loadparm);
194 netlogon->logon5.user_name = user;
195 netlogon->logon5.server_site = server_site;
196 netlogon->logon5.client_site = client_site;
197 netlogon->logon5.lmnt_token = 0xFFFF;
198 netlogon->logon5.lm20_token = 0xFFFF;
201 netlogon->logon13.type = (user?23+2:23);
202 netlogon->logon13.server_type = server_type;
203 netlogon->logon13.domain_uuid = domain_uuid;
204 netlogon->logon13.forest = realm;
205 netlogon->logon13.dns_domain = dns_domain;
206 netlogon->logon13.pdc_dns_name = pdc_dns_name;
207 netlogon->logon13.domain = flatname;
208 netlogon->logon13.pdc_name = lp_netbios_name(global_loadparm);
209 netlogon->logon13.user_name = user;
210 netlogon->logon13.server_site = server_site;
211 netlogon->logon13.client_site = client_site;
212 netlogon->logon13.unknown = 10;
213 netlogon->logon13.unknown2 = 2;
214 netlogon->logon13.pdc_ip = pdc_ip;
215 netlogon->logon13.lmnt_token = 0xFFFF;
216 netlogon->logon13.lm20_token = 0xFFFF;
225 handle incoming cldap requests
227 void cldapd_netlogon_request(struct cldap_socket *cldap,
229 struct ldb_parse_tree *tree,
230 struct socket_address *src)
232 struct cldapd_server *cldapd = talloc_get_type(cldap->incoming.private, struct cldapd_server);
234 const char *domain = NULL;
235 const char *host = NULL;
236 const char *user = NULL;
237 const char *domain_guid = NULL;
238 const char *domain_sid = NULL;
239 int acct_control = -1;
241 union nbt_cldap_netlogon netlogon;
242 NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
244 TALLOC_CTX *tmp_ctx = talloc_new(cldap);
246 if (tree->operation != LDB_OP_AND) goto failed;
248 /* extract the query elements */
249 for (i=0;i<tree->u.list.num_elements;i++) {
250 struct ldb_parse_tree *t = tree->u.list.elements[i];
251 if (t->operation != LDB_OP_EQUALITY) goto failed;
252 if (strcasecmp(t->u.equality.attr, "DnsDomain") == 0) {
253 domain = talloc_strndup(tmp_ctx,
254 (const char *)t->u.equality.value.data,
255 t->u.equality.value.length);
257 if (strcasecmp(t->u.equality.attr, "Host") == 0) {
258 host = talloc_strndup(tmp_ctx,
259 (const char *)t->u.equality.value.data,
260 t->u.equality.value.length);
262 if (strcasecmp(t->u.equality.attr, "DomainGuid") == 0) {
265 enc_status = ldap_decode_ndr_GUID(tmp_ctx,
266 t->u.equality.value, &guid);
267 if (NT_STATUS_IS_OK(enc_status)) {
268 domain_guid = GUID_string(tmp_ctx, &guid);
271 if (strcasecmp(t->u.equality.attr, "DomainSid") == 0) {
272 domain_sid = talloc_strndup(tmp_ctx,
273 (const char *)t->u.equality.value.data,
274 t->u.equality.value.length);
276 if (strcasecmp(t->u.equality.attr, "User") == 0) {
277 user = talloc_strndup(tmp_ctx,
278 (const char *)t->u.equality.value.data,
279 t->u.equality.value.length);
281 if (strcasecmp(t->u.equality.attr, "NtVer") == 0 &&
282 t->u.equality.value.length == 4) {
283 version = IVAL(t->u.equality.value.data, 0);
285 if (strcasecmp(t->u.equality.attr, "AAC") == 0 &&
286 t->u.equality.value.length == 4) {
287 acct_control = IVAL(t->u.equality.value.data, 0);
291 if (domain_guid == NULL && domain == NULL) {
292 domain = lp_realm(global_loadparm);
299 DEBUG(5,("cldap netlogon query domain=%s host=%s user=%s version=%d guid=%s\n",
300 domain, host, user, version, domain_guid));
302 status = cldapd_netlogon_fill(cldapd, tmp_ctx, domain, domain_guid,
305 if (!NT_STATUS_IS_OK(status)) {
309 status = cldap_netlogon_reply(cldap, message_id, src, version,
311 if (!NT_STATUS_IS_OK(status)) {
315 talloc_free(tmp_ctx);
319 DEBUG(2,("cldap netlogon query failed domain=%s host=%s version=%d - %s\n",
320 domain, host, version, nt_errstr(status)));
321 talloc_free(tmp_ctx);
322 cldap_empty_reply(cldap, message_id, src);