1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
25 */
26
27 /*
28 * Active Directory Setup RPC interface used by Windows 2000.
29 */
30
31 #include <synch.h>
32 #include <strings.h>
33 #include <stdlib.h>
34 #include <netdb.h>
35
36 #include <libmlrpc/libmlrpc.h>
37 #include <smbsrv/libsmb.h>
38 #include <smbsrv/libmlsvc.h>
39 #include <smbsrv/ndl/dssetup.ndl>
40 #include <smbsrv/smbinfo.h>
41 #include <smbsrv/nmpipes.h>
42
43 int dssetup_get_domain_info(ds_primary_domain_info_t *);
44
45 static int dssetup_DsRoleGetPrimaryDomainInfo(void *, ndr_xa_t *);
46 static uint32_t dssetup_member_server(ds_primary_domain_info_t *, ndr_xa_t *);
47 static uint32_t dssetup_standalone_server(ds_primary_domain_info_t *,
48 ndr_xa_t *);
49
50 static ndr_stub_table_t dssetup_stub_table[] = {
51 { dssetup_DsRoleGetPrimaryDomainInfo,
52 DSSETUP_OPNUM_DsRoleGetPrimaryDomainInfo },
53 {0}
54 };
55
56 static ndr_service_t dssetup_service = {
57 "DSSETUP", /* name */
58 "Active Directory Setup", /* desc */
59 "\\lsarpc", /* endpoint */
60 PIPE_LSASS, /* sec_addr_port */
61 "3919286a-b10c-11d0-9ba8-00c04fd92ef5", 0, /* abstract */
62 NDR_TRANSFER_SYNTAX_UUID, 2, /* transfer */
63 0, /* no bind_instance_size */
64 0, /* no bind_req() */
65 0, /* no unbind_and_close() */
66 0, /* use generic_call_stub() */
67 &TYPEINFO(dssetup_interface), /* interface ti */
68 dssetup_stub_table /* stub_table */
69 };
70
71 static ds_primary_domain_info_t ds_info;
72 static mutex_t ds_info_mtx;
73
74 /*
75 * dssetup_initialize
76 *
77 * This function registers the DSSETUP interface with the RPC runtime
78 * library. It must be called in order to use either the client side
79 * or the server side functions.
80 */
81 void
82 dssetup_initialize(void)
83 {
84 dssetup_clear_domain_info();
85 (void) ndr_svc_register(&dssetup_service);
86 }
87
88 void
89 dssetup_clear_domain_info(void)
90 {
91 (void) mutex_lock(&ds_info_mtx);
92
93 free(ds_info.nt_domain);
94 free(ds_info.dns_domain);
95 free(ds_info.forest);
96 bzero(&ds_info, sizeof (ds_primary_domain_info_t));
97
98 (void) mutex_unlock(&ds_info_mtx);
99 }
100
101 /*
102 * Request for machine role and primary domain information.
103 */
104 static int
105 dssetup_DsRoleGetPrimaryDomainInfo(void *arg, ndr_xa_t *mxa)
106 {
107 dssetup_DsRoleGetPrimaryDomainInfo_t *param = arg;
108 dssetup_GetPrimaryDomainInfo_t *info;
109 ds_primary_domain_info_t *info1;
110 uint32_t status;
111 int security_mode;
112
113 info = NDR_MALLOC(mxa, sizeof (dssetup_GetPrimaryDomainInfo_t));
114 if (info == NULL) {
115 status = NT_STATUS_NO_MEMORY;
116 } else if (param->level != DS_ROLE_BASIC_INFORMATION) {
117 status = NT_STATUS_INVALID_LEVEL;
118 } else {
119 info->switch_value = param->level;
120 info1 = &info->ru.info1;
121
122 security_mode = smb_config_get_secmode();
123
124 if (security_mode == SMB_SECMODE_DOMAIN)
125 status = dssetup_member_server(info1, mxa);
126 else
127 status = dssetup_standalone_server(info1, mxa);
128 }
129
130 if (status != NT_STATUS_SUCCESS) {
131 bzero(param, sizeof (dssetup_DsRoleGetPrimaryDomainInfo_t));
132 param->status = NT_SC_ERROR(status);
133 } else {
134 param->info = info;
135 param->status = NT_STATUS_SUCCESS;
136 }
137
138 return (NDR_DRC_OK);
139 }
140
141 /*
142 * When the machine role is domain member:
143 * nt_domain must contain the NetBIOS domain name
144 * dns_domain must contain the DNS domain name (cannot be NULL)
145 * forest must contain the forest name (cannot be NULL)
146 *
147 * If DS_ROLE_PRIMARY_DOMAIN_GUID_PRESENT is set in flags, the domain_guid
148 * must contain the domain UUID. Otherwise domain_guid is ignored.
149 */
150 static uint32_t
151 dssetup_member_server(ds_primary_domain_info_t *info, ndr_xa_t *mxa)
152 {
153 char dns_domain[MAXHOSTNAMELEN];
154 char nt_domain[MAXHOSTNAMELEN];
155
156 (void) mutex_lock(&ds_info_mtx);
157
158 if ((ds_info.flags & DS_ROLE_PRIMARY_DOMAIN_GUID_PRESENT) == 0) {
159 /*
160 * If we don't have the domain GUID, try to get it from a
161 * domain controller. Otherwise, use local configuration.
162 */
163 free(ds_info.nt_domain);
164 free(ds_info.dns_domain);
165 free(ds_info.forest);
166 (void) dssetup_get_domain_info(&ds_info);
167 }
168
169 if (ds_info.flags & DS_ROLE_PRIMARY_DOMAIN_GUID_PRESENT) {
170 info->flags = DS_ROLE_PRIMARY_DOMAIN_GUID_PRESENT;
171 info->nt_domain = NDR_STRDUP(mxa, (char *)ds_info.nt_domain);
172 info->dns_domain = NDR_STRDUP(mxa, (char *)ds_info.dns_domain);
173 info->forest = NDR_STRDUP(mxa, (char *)ds_info.forest);
174 bcopy(&ds_info.domain_guid, &info->domain_guid,
175 sizeof (ndr_uuid_t));
176 } else {
177 if (smb_getdomainname(nt_domain, MAXHOSTNAMELEN) != 0) {
178 (void) mutex_unlock(&ds_info_mtx);
179 return (NT_STATUS_CANT_ACCESS_DOMAIN_INFO);
180 }
181
182 if (smb_getfqdomainname(dns_domain, MAXHOSTNAMELEN) != 0) {
183 (void) mutex_unlock(&ds_info_mtx);
184 return (NT_STATUS_CANT_ACCESS_DOMAIN_INFO);
185 }
186
187 (void) smb_strlwr(dns_domain);
188
189 info->flags = 0;
190 info->nt_domain = NDR_STRDUP(mxa, nt_domain);
191 info->dns_domain = NDR_STRDUP(mxa, dns_domain);
192 info->forest = NDR_STRDUP(mxa, dns_domain);
193 bzero(&info->domain_guid, sizeof (ndr_uuid_t));
194 }
195
196 (void) mutex_unlock(&ds_info_mtx);
197
198 if (info->nt_domain == NULL ||
199 info->dns_domain == NULL ||
200 info->forest == NULL)
201 return (NT_STATUS_NO_MEMORY);
202
203 info->role = DS_ROLE_MEMBER_SERVER;
204 return (NT_STATUS_SUCCESS);
205 }
206
207 /*
208 * When the machine role is standalone:
209 * nt_domain must contain the NetBIOS workgroup name
210 * dns_domain must be NULL
211 * forest must be NULL
212 *
213 * We don't maintain a domain GUID. When DS_ROLE_PRIMARY_DOMAIN_GUID_PRESENT
214 * is not set in flags, domain_guid is ignored.
215 */
216 static uint32_t
217 dssetup_standalone_server(ds_primary_domain_info_t *info, ndr_xa_t *mxa)
218 {
219 char nt_domain[MAXHOSTNAMELEN];
220
221 if (smb_getdomainname(nt_domain, MAXHOSTNAMELEN) != 0)
222 return (NT_STATUS_CANT_ACCESS_DOMAIN_INFO);
223
224 info->nt_domain = NDR_STRDUP(mxa, nt_domain);
225 if (info->nt_domain == NULL)
226 return (NT_STATUS_NO_MEMORY);
227
228 info->role = DS_ROLE_STANDALONE_SERVER;
229 info->flags = 0;
230 info->dns_domain = NULL;
231 info->forest = NULL;
232 bzero(&info->domain_guid, sizeof (ndr_uuid_t));
233 return (NT_STATUS_SUCCESS);
234 }