xref: /titanic_50/usr/src/lib/smbsrv/libmlsvc/common/mlsvc_util.c (revision 49d3bc91e27cd871b950d56c01398fa2f2e12ab4)
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  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 /*
26  * Utility functions to support the RPC interface library.
27  */
28 
29 #include <stdio.h>
30 #include <stdarg.h>
31 #include <strings.h>
32 #include <unistd.h>
33 #include <netdb.h>
34 #include <stdlib.h>
35 #include <sys/time.h>
36 #include <sys/systm.h>
37 #include <syslog.h>
38 
39 #include <smbsrv/libsmb.h>
40 #include <smbsrv/libsmbns.h>
41 #include <smbsrv/libmlsvc.h>
42 #include <smbsrv/libsmbrdr.h>
43 #include <smbsrv/smbinfo.h>
44 #include <lsalib.h>
45 #include <samlib.h>
46 #include <smbsrv/netrauth.h>
47 
48 /* Domain join support (using MS-RPC) */
49 static boolean_t mlsvc_ntjoin_support = B_FALSE;
50 
51 extern int netr_open(char *, char *, mlsvc_handle_t *);
52 extern int netr_close(mlsvc_handle_t *);
53 extern DWORD netlogon_auth(char *, mlsvc_handle_t *, DWORD);
54 
55 DWORD
56 mlsvc_netlogon(char *server, char *domain)
57 {
58 	mlsvc_handle_t netr_handle;
59 	DWORD status;
60 
61 	if (netr_open(server, domain, &netr_handle) == 0) {
62 		if ((status = netlogon_auth(server, &netr_handle,
63 		    NETR_FLG_INIT)) != NT_STATUS_SUCCESS)
64 			syslog(LOG_NOTICE, "Failed to establish NETLOGON "
65 			    "credential chain");
66 		(void) netr_close(&netr_handle);
67 	} else {
68 		status = NT_STATUS_OPEN_FAILED;
69 	}
70 
71 	return (status);
72 }
73 
74 /*
75  * Joins the specified domain by creating a machine account on
76  * the selected domain controller.
77  *
78  * Disconnect any existing connection with the domain controller.
79  * This will ensure that no stale connection will be used, it will
80  * also pickup any configuration changes in either side by trying
81  * to establish a new connection.
82  *
83  * Returns NT status codes.
84  */
85 DWORD
86 mlsvc_join(smb_domainex_t *dxi, char *user, char *plain_text)
87 {
88 	int erc;
89 	DWORD status;
90 	char machine_passwd[NETR_MACHINE_ACCT_PASSWD_MAX];
91 	smb_adjoin_status_t err;
92 	smb_domain_t *domain;
93 
94 	machine_passwd[0] = '\0';
95 
96 	domain = &dxi->d_primary;
97 
98 	mlsvc_disconnect(dxi->d_dc);
99 
100 	erc = smbrdr_logon(dxi->d_dc, domain->di_nbname, user);
101 
102 	if (erc == AUTH_USER_GRANT) {
103 		if (mlsvc_ntjoin_support == B_FALSE) {
104 
105 			if ((err = smb_ads_join(domain->di_fqname, user,
106 			    plain_text, machine_passwd,
107 			    sizeof (machine_passwd))) == SMB_ADJOIN_SUCCESS) {
108 				status = NT_STATUS_SUCCESS;
109 			} else {
110 				smb_ads_join_errmsg(err);
111 				status = NT_STATUS_UNSUCCESSFUL;
112 			}
113 		} else {
114 
115 			status = sam_create_trust_account(dxi->d_dc,
116 			    domain->di_nbname);
117 			if (status == NT_STATUS_SUCCESS) {
118 				(void) smb_getnetbiosname(machine_passwd,
119 				    sizeof (machine_passwd));
120 				(void) smb_strlwr(machine_passwd);
121 			}
122 		}
123 
124 		if (status == NT_STATUS_SUCCESS) {
125 			erc = smb_setdomainprops(NULL, dxi->d_dc,
126 			    machine_passwd);
127 			if (erc != 0) {
128 				syslog(LOG_NOTICE,
129 				    "Failed to update configuration");
130 				bzero(machine_passwd, sizeof (machine_passwd));
131 				return (NT_STATUS_UNSUCCESSFUL);
132 			}
133 
134 			status = mlsvc_netlogon(dxi->d_dc, domain->di_nbname);
135 		}
136 	} else {
137 		status = NT_STATUS_LOGON_FAILURE;
138 	}
139 
140 	bzero(machine_passwd, sizeof (machine_passwd));
141 	return (status);
142 }
143 
144 void
145 mlsvc_disconnect(const char *server)
146 {
147 	smbrdr_disconnect(server);
148 }
149