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 2 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, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "libcli/ldap/ldap.h"
25 #include "lib/events/events.h"
26 #include "lib/socket/socket.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 "auth/auth.h"
33 #include "system/network.h"
34 #include "netif/netif.h"
37 fill in the cldap netlogon union for a given version
39 static NTSTATUS cldapd_netlogon_fill(struct cldapd_server *cldapd,
42 const char *domain_guid,
44 const char *src_address,
46 union nbt_cldap_netlogon *netlogon)
48 const char *ref_attrs[] = {"nETBIOSName", NULL};
49 const char *dom_attrs[] = {"dnsDomain", "objectGUID", NULL};
50 struct ldb_message **ref_res, **dom_res;
52 const char **services = lp_server_services();
55 struct GUID domain_uuid;
57 const char *dns_domain;
58 const char *pdc_dns_name;
60 const char *site_name;
61 const char *site_name2;
64 if (cldapd->samctx == NULL) {
65 cldapd->samctx = samdb_connect(cldapd, anonymous_session(cldapd));
66 if (cldapd->samctx == NULL) {
67 DEBUG(2,("Unable to open sam in cldap netlogon reply\n"));
68 return NT_STATUS_INTERNAL_DB_CORRUPTION;
72 /* the domain has an optional trailing . */
73 if (domain && domain[strlen(domain)-1] == '.') {
74 domain = talloc_strndup(mem_ctx, domain, strlen(domain)-1);
77 /* try and find the domain */
78 ret = gendb_search(cldapd->samctx, mem_ctx, NULL, &dom_res, dom_attrs,
79 "(&(objectClass=domainDNS)(|(dnsDomain=%s)(objectGUID=%s)))",
81 domain_guid?domain_guid:"");
83 DEBUG(2,("Unable to find domain '%s' in sam\n", domain));
84 return NT_STATUS_NO_SUCH_DOMAIN;
87 /* try and find the domain */
88 ret = gendb_search(cldapd->samctx, mem_ctx, NULL, &ref_res, ref_attrs,
89 "(&(objectClass=crossRef)(ncName=%s))",
90 ldb_dn_linearize(mem_ctx, dom_res[0]->dn));
92 DEBUG(2,("Unable to find referece to '%s' in sam\n",
93 ldb_dn_linearize(mem_ctx, dom_res[0]->dn)));
94 return NT_STATUS_NO_SUCH_DOMAIN;
98 NBT_SERVER_PDC | NBT_SERVER_GC |
99 NBT_SERVER_DS | NBT_SERVER_TIMESERV |
100 NBT_SERVER_CLOSEST | NBT_SERVER_WRITABLE |
101 NBT_SERVER_GOOD_TIMESERV;
103 if (str_list_check(services, "ldap")) {
104 server_type |= NBT_SERVER_LDAP;
107 if (str_list_check(services, "kdc")) {
108 server_type |= NBT_SERVER_KDC;
111 pdc_name = talloc_asprintf(mem_ctx, "\\\\%s", lp_netbios_name());
112 domain_uuid = samdb_result_guid(dom_res[0], "objectGUID");
113 realm = samdb_result_string(dom_res[0], "dnsDomain", lp_realm());
114 dns_domain = samdb_result_string(dom_res[0], "dnsDomain", lp_realm());
115 pdc_dns_name = talloc_asprintf(mem_ctx, "%s.%s",
116 strlower_talloc(mem_ctx, lp_netbios_name()),
119 flatname = samdb_result_string(ref_res[0], "nETBIOSName", lp_workgroup());
120 site_name = "Default-First-Site-Name";
121 site_name2 = "Default-First-Site-Name";
122 pdc_ip = iface_best_ip(src_address);
124 ZERO_STRUCTP(netlogon);
126 switch (version & 0xF) {
129 netlogon->logon1.type = (user?19+2:19);
130 netlogon->logon1.pdc_name = pdc_name;
131 netlogon->logon1.user_name = user;
132 netlogon->logon1.domain_name = flatname;
133 netlogon->logon1.nt_version = 1;
134 netlogon->logon1.lmnt_token = 0xFFFF;
135 netlogon->logon1.lm20_token = 0xFFFF;
139 netlogon->logon3.type = (user?19+2:19);
140 netlogon->logon3.pdc_name = pdc_name;
141 netlogon->logon3.user_name = user;
142 netlogon->logon3.domain_name = flatname;
143 netlogon->logon3.domain_uuid = domain_uuid;
144 netlogon->logon3.forest = realm;
145 netlogon->logon3.dns_domain = dns_domain;
146 netlogon->logon3.pdc_dns_name = pdc_dns_name;
147 netlogon->logon3.pdc_ip = pdc_ip;
148 netlogon->logon3.server_type = server_type;
149 netlogon->logon3.lmnt_token = 0xFFFF;
150 netlogon->logon3.lm20_token = 0xFFFF;
156 netlogon->logon5.type = (user?23+2:23);
157 netlogon->logon5.server_type = server_type;
158 netlogon->logon5.domain_uuid = domain_uuid;
159 netlogon->logon5.forest = realm;
160 netlogon->logon5.dns_domain = dns_domain;
161 netlogon->logon5.pdc_dns_name = pdc_dns_name;
162 netlogon->logon5.domain = flatname;
163 netlogon->logon5.pdc_name = lp_netbios_name();
164 netlogon->logon5.user_name = user;
165 netlogon->logon5.site_name = site_name;
166 netlogon->logon5.site_name2 = site_name2;
167 netlogon->logon5.lmnt_token = 0xFFFF;
168 netlogon->logon5.lm20_token = 0xFFFF;
171 netlogon->logon13.type = (user?23+2:23);
172 netlogon->logon13.server_type = server_type;
173 netlogon->logon13.domain_uuid = domain_uuid;
174 netlogon->logon13.forest = realm;
175 netlogon->logon13.dns_domain = dns_domain;
176 netlogon->logon13.pdc_dns_name = pdc_dns_name;
177 netlogon->logon13.domain = flatname;
178 netlogon->logon13.pdc_name = lp_netbios_name();
179 netlogon->logon13.user_name = user;
180 netlogon->logon13.site_name = site_name;
181 netlogon->logon13.site_name2 = site_name2;
182 netlogon->logon13.unknown = 10;
183 netlogon->logon13.unknown2 = 2;
184 netlogon->logon13.pdc_ip = pdc_ip;
185 netlogon->logon13.lmnt_token = 0xFFFF;
186 netlogon->logon13.lm20_token = 0xFFFF;
195 handle incoming cldap requests
197 void cldapd_netlogon_request(struct cldap_socket *cldap,
199 struct ldb_parse_tree *tree,
200 struct socket_address *src)
202 struct cldapd_server *cldapd = talloc_get_type(cldap->incoming.private, struct cldapd_server);
204 const char *domain = NULL;
205 const char *host = NULL;
206 const char *user = NULL;
207 const char *domain_guid = NULL;
208 const char *domain_sid = NULL;
209 int acct_control = -1;
211 union nbt_cldap_netlogon netlogon;
212 NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
214 TALLOC_CTX *tmp_ctx = talloc_new(cldap);
216 if (tree->operation != LDB_OP_AND) goto failed;
218 /* extract the query elements */
219 for (i=0;i<tree->u.list.num_elements;i++) {
220 struct ldb_parse_tree *t = tree->u.list.elements[i];
221 if (t->operation != LDB_OP_EQUALITY) goto failed;
222 if (strcasecmp(t->u.equality.attr, "DnsDomain") == 0) {
223 domain = talloc_strndup(tmp_ctx,
224 (const char *)t->u.equality.value.data,
225 t->u.equality.value.length);
227 if (strcasecmp(t->u.equality.attr, "Host") == 0) {
228 host = talloc_strndup(tmp_ctx,
229 (const char *)t->u.equality.value.data,
230 t->u.equality.value.length);
232 if (strcasecmp(t->u.equality.attr, "DomainGuid") == 0) {
235 enc_status = ldap_decode_ndr_GUID(tmp_ctx,
236 t->u.equality.value, &guid);
237 if (NT_STATUS_IS_OK(enc_status)) {
238 domain_guid = GUID_string(tmp_ctx, &guid);
241 if (strcasecmp(t->u.equality.attr, "DomainSid") == 0) {
242 domain_sid = talloc_strndup(tmp_ctx,
243 (const char *)t->u.equality.value.data,
244 t->u.equality.value.length);
246 if (strcasecmp(t->u.equality.attr, "User") == 0) {
247 user = talloc_strndup(tmp_ctx,
248 (const char *)t->u.equality.value.data,
249 t->u.equality.value.length);
251 if (strcasecmp(t->u.equality.attr, "NtVer") == 0 &&
252 t->u.equality.value.length == 4) {
253 version = IVAL(t->u.equality.value.data, 0);
255 if (strcasecmp(t->u.equality.attr, "AAC") == 0 &&
256 t->u.equality.value.length == 4) {
257 acct_control = IVAL(t->u.equality.value.data, 0);
261 if (domain_guid == NULL && domain == NULL) {
269 DEBUG(5,("cldap netlogon query domain=%s host=%s user=%s version=%d guid=%s\n",
270 domain, host, user, version, domain_guid));
272 status = cldapd_netlogon_fill(cldapd, tmp_ctx, domain, domain_guid,
275 if (!NT_STATUS_IS_OK(status)) {
279 status = cldap_netlogon_reply(cldap, message_id, src, version,
281 if (!NT_STATUS_IS_OK(status)) {
285 talloc_free(tmp_ctx);
289 DEBUG(2,("cldap netlogon query failed domain=%s host=%s version=%d - %s\n",
290 domain, host, version, nt_errstr(status)));
291 talloc_free(tmp_ctx);
292 cldap_empty_reply(cldap, message_id, src);