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"
31 fill in the cldap netlogon union for a given version
33 static NTSTATUS cldapd_netlogon_fill(struct cldapd_server *cldapd,
36 const char *domain_guid,
38 const char *src_address,
40 union nbt_cldap_netlogon *netlogon)
42 const char *ref_attrs[] = {"nETBIOSName", NULL};
43 const char *dom_attrs[] = {"dnsDomain", "objectGUID", NULL};
44 struct ldb_message **ref_res, **dom_res;
46 const char **services = lp_server_services();
49 struct GUID domain_uuid;
51 const char *dns_domain;
52 const char *pdc_dns_name;
54 const char *site_name;
55 const char *site_name2;
58 if (cldapd->samctx == NULL) {
59 cldapd->samctx = samdb_connect(cldapd);
60 if (cldapd->samctx == NULL) {
61 DEBUG(2,("Unable to open sam in cldap netlogon reply\n"));
62 return NT_STATUS_INTERNAL_DB_CORRUPTION;
66 /* the domain has an optional trailing . */
67 if (domain && domain[strlen(domain)-1] == '.') {
68 domain = talloc_strndup(mem_ctx, domain, strlen(domain)-1);
71 /* try and find the domain */
72 ret = gendb_search(cldapd->samctx, mem_ctx, NULL, &dom_res, dom_attrs,
73 "(&(objectClass=domainDNS)(|(dnsDomain=%s)(objectGUID=%s)))",
75 domain_guid?domain_guid:"");
77 DEBUG(2,("Unable to find domain '%s' in sam\n", domain));
78 return NT_STATUS_NO_SUCH_DOMAIN;
81 /* try and find the domain */
82 ret = gendb_search(cldapd->samctx, mem_ctx, NULL, &ref_res, ref_attrs,
83 "(&(objectClass=crossRef)(ncName=%s))",
86 DEBUG(2,("Unable to find referece to '%s' in sam\n", dom_res[0]->dn));
87 return NT_STATUS_NO_SUCH_DOMAIN;
91 NBT_SERVER_PDC | NBT_SERVER_GC |
92 NBT_SERVER_DS | NBT_SERVER_TIMESERV |
93 NBT_SERVER_CLOSEST | NBT_SERVER_WRITABLE |
94 NBT_SERVER_GOOD_TIMESERV;
96 if (str_list_check(services, "ldap")) {
97 server_type |= NBT_SERVER_LDAP;
100 if (str_list_check(services, "kdc")) {
101 server_type |= NBT_SERVER_KDC;
104 pdc_name = talloc_asprintf(mem_ctx, "\\\\%s", lp_netbios_name());
105 domain_uuid = samdb_result_guid(dom_res[0], "objectGUID");
106 realm = samdb_result_string(dom_res[0], "dnsDomain", lp_realm());
107 dns_domain = samdb_result_string(dom_res[0], "dnsDomain", lp_realm());
108 pdc_dns_name = talloc_asprintf(mem_ctx, "%s.%s",
109 strlower_talloc(mem_ctx, lp_netbios_name()),
112 flatname = samdb_result_string(ref_res[0], "nETBIOSName", lp_workgroup());
113 site_name = "Default-First-Site-Name";
114 site_name2 = "Default-First-Site-Name";
115 pdc_ip = iface_best_ip(src_address);
117 ZERO_STRUCTP(netlogon);
119 switch (version & 0xF) {
122 netlogon->logon1.type = (user?19+2:19);
123 netlogon->logon1.pdc_name = pdc_name;
124 netlogon->logon1.user_name = user;
125 netlogon->logon1.domain_name = flatname;
126 netlogon->logon1.nt_version = 1;
127 netlogon->logon1.lmnt_token = 0xFFFF;
128 netlogon->logon1.lm20_token = 0xFFFF;
132 netlogon->logon3.type = (user?19+2:19);
133 netlogon->logon3.pdc_name = pdc_name;
134 netlogon->logon3.user_name = user;
135 netlogon->logon3.domain_name = flatname;
136 netlogon->logon3.domain_uuid = domain_uuid;
137 netlogon->logon3.forest = realm;
138 netlogon->logon3.dns_domain = dns_domain;
139 netlogon->logon3.pdc_dns_name = pdc_dns_name;
140 netlogon->logon3.pdc_ip = pdc_ip;
141 netlogon->logon3.server_type = server_type;
142 netlogon->logon3.lmnt_token = 0xFFFF;
143 netlogon->logon3.lm20_token = 0xFFFF;
149 netlogon->logon5.type = (user?23+2:23);
150 netlogon->logon5.server_type = server_type;
151 netlogon->logon5.domain_uuid = domain_uuid;
152 netlogon->logon5.forest = realm;
153 netlogon->logon5.dns_domain = dns_domain;
154 netlogon->logon5.pdc_dns_name = pdc_dns_name;
155 netlogon->logon5.domain = flatname;
156 netlogon->logon5.pdc_name = lp_netbios_name();
157 netlogon->logon5.user_name = user;
158 netlogon->logon5.site_name = site_name;
159 netlogon->logon5.site_name2 = site_name2;
160 netlogon->logon5.lmnt_token = 0xFFFF;
161 netlogon->logon5.lm20_token = 0xFFFF;
164 netlogon->logon13.type = (user?23+2:23);
165 netlogon->logon13.server_type = server_type;
166 netlogon->logon13.domain_uuid = domain_uuid;
167 netlogon->logon13.forest = realm;
168 netlogon->logon13.dns_domain = dns_domain;
169 netlogon->logon13.pdc_dns_name = pdc_dns_name;
170 netlogon->logon13.domain = flatname;
171 netlogon->logon13.pdc_name = lp_netbios_name();
172 netlogon->logon13.user_name = user;
173 netlogon->logon13.site_name = site_name;
174 netlogon->logon13.site_name2 = site_name2;
175 netlogon->logon13.unknown = 10;
176 netlogon->logon13.unknown2 = 2;
177 netlogon->logon13.pdc_ip = pdc_ip;
178 netlogon->logon13.lmnt_token = 0xFFFF;
179 netlogon->logon13.lm20_token = 0xFFFF;
188 handle incoming cldap requests
190 void cldapd_netlogon_request(struct cldap_socket *cldap,
192 struct ldb_parse_tree *tree,
193 const char *src_address, int src_port)
195 struct cldapd_server *cldapd = talloc_get_type(cldap->incoming.private, struct cldapd_server);
197 const char *domain = NULL;
198 const char *host = NULL;
199 const char *user = NULL;
200 const char *domain_guid = NULL;
201 const char *domain_sid = NULL;
202 int acct_control = -1;
204 union nbt_cldap_netlogon netlogon;
205 NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
207 TALLOC_CTX *tmp_ctx = talloc_new(cldap);
209 if (tree->operation != LDB_OP_AND) goto failed;
211 /* extract the query elements */
212 for (i=0;i<tree->u.list.num_elements;i++) {
213 struct ldb_parse_tree *t = tree->u.list.elements[i];
214 if (t->operation != LDB_OP_EQUALITY) goto failed;
215 if (strcasecmp(t->u.equality.attr, "DnsDomain") == 0) {
216 domain = talloc_strndup(tmp_ctx,
217 t->u.equality.value.data,
218 t->u.equality.value.length);
220 if (strcasecmp(t->u.equality.attr, "Host") == 0) {
221 host = talloc_strndup(tmp_ctx,
222 t->u.equality.value.data,
223 t->u.equality.value.length);
225 if (strcasecmp(t->u.equality.attr, "DomainGuid") == 0) {
228 enc_status = ldap_decode_ndr_GUID(tmp_ctx,
229 t->u.equality.value, &guid);
230 if (NT_STATUS_IS_OK(enc_status)) {
231 domain_guid = GUID_string(tmp_ctx, &guid);
234 if (strcasecmp(t->u.equality.attr, "DomainSid") == 0) {
235 domain_sid = talloc_strndup(tmp_ctx,
236 t->u.equality.value.data,
237 t->u.equality.value.length);
239 if (strcasecmp(t->u.equality.attr, "User") == 0) {
240 user = talloc_strndup(tmp_ctx,
241 t->u.equality.value.data,
242 t->u.equality.value.length);
244 if (strcasecmp(t->u.equality.attr, "NtVer") == 0 &&
245 t->u.equality.value.length == 4) {
246 version = IVAL(t->u.equality.value.data, 0);
248 if (strcasecmp(t->u.equality.attr, "AAC") == 0 &&
249 t->u.equality.value.length == 4) {
250 acct_control = IVAL(t->u.equality.value.data, 0);
254 if (domain_guid == NULL && domain == NULL) {
262 DEBUG(5,("cldap netlogon query domain=%s host=%s user=%s version=%d guid=%s\n",
263 domain, host, user, version, domain_guid));
265 status = cldapd_netlogon_fill(cldapd, tmp_ctx, domain, domain_guid,
268 if (!NT_STATUS_IS_OK(status)) {
272 status = cldap_netlogon_reply(cldap, message_id, src_address, src_port, version,
274 if (!NT_STATUS_IS_OK(status)) {
278 talloc_free(tmp_ctx);
282 DEBUG(2,("cldap netlogon query failed domain=%s host=%s version=%d - %s\n",
283 domain, host, version, nt_errstr(status)));
284 talloc_free(tmp_ctx);
285 cldap_empty_reply(cldap, message_id, src_address, src_port);