xref: /titanic_41/usr/src/lib/smbsrv/libmlsvc/common/mlsvc_util.c (revision c8f74a56af6974058d11efe681daeb7f4cdb78d1)
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 2010 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 /*
27  * Utility functions to support the RPC interface library.
28  */
29 
30 #include <stdio.h>
31 #include <stdarg.h>
32 #include <strings.h>
33 #include <unistd.h>
34 #include <netdb.h>
35 #include <stdlib.h>
36 #include <sys/time.h>
37 #include <sys/systm.h>
38 #include <syslog.h>
39 
40 #include <smbsrv/libsmb.h>
41 #include <smbsrv/libsmbns.h>
42 #include <smbsrv/libmlsvc.h>
43 #include <smbsrv/libsmbrdr.h>
44 #include <smbsrv/smbinfo.h>
45 #include <lsalib.h>
46 #include <samlib.h>
47 #include <smbsrv/netrauth.h>
48 
49 /* Domain join support (using MS-RPC) */
50 static boolean_t mlsvc_ntjoin_support = B_FALSE;
51 
52 extern int netr_open(char *, char *, mlsvc_handle_t *);
53 extern int netr_close(mlsvc_handle_t *);
54 extern DWORD netlogon_auth(char *, mlsvc_handle_t *, DWORD);
55 
56 DWORD
57 mlsvc_netlogon(char *server, char *domain)
58 {
59 	mlsvc_handle_t netr_handle;
60 	DWORD status;
61 
62 	if (netr_open(server, domain, &netr_handle) == 0) {
63 		if ((status = netlogon_auth(server, &netr_handle,
64 		    NETR_FLG_INIT)) != NT_STATUS_SUCCESS)
65 			syslog(LOG_NOTICE, "Failed to establish NETLOGON "
66 			    "credential chain");
67 		(void) netr_close(&netr_handle);
68 	} else {
69 		status = NT_STATUS_OPEN_FAILED;
70 	}
71 
72 	return (status);
73 }
74 
75 /*
76  * Joins the specified domain by creating a machine account on
77  * the selected domain controller.
78  *
79  * Disconnect any existing connection with the domain controller.
80  * This will ensure that no stale connection will be used, it will
81  * also pickup any configuration changes in either side by trying
82  * to establish a new connection.
83  *
84  * Returns NT status codes.
85  */
86 DWORD
87 mlsvc_join(smb_domainex_t *dxi, char *user, char *plain_text)
88 {
89 	int erc;
90 	DWORD status;
91 	char machine_passwd[NETR_MACHINE_ACCT_PASSWD_MAX];
92 	smb_adjoin_status_t err;
93 	smb_domain_t *domain;
94 
95 	machine_passwd[0] = '\0';
96 
97 	domain = &dxi->d_primary;
98 
99 	mlsvc_disconnect(dxi->d_dc);
100 
101 	erc = smbrdr_logon(dxi->d_dc, domain->di_nbname, user);
102 
103 	if (erc == AUTH_USER_GRANT) {
104 		if (mlsvc_ntjoin_support == B_FALSE) {
105 
106 			if ((err = smb_ads_join(domain->di_fqname, user,
107 			    plain_text, machine_passwd,
108 			    sizeof (machine_passwd))) == SMB_ADJOIN_SUCCESS) {
109 				status = NT_STATUS_SUCCESS;
110 			} else {
111 				smb_ads_join_errmsg(err);
112 				status = NT_STATUS_UNSUCCESSFUL;
113 			}
114 		} else {
115 
116 			status = sam_create_trust_account(dxi->d_dc,
117 			    domain->di_nbname);
118 			if (status == NT_STATUS_SUCCESS) {
119 				(void) smb_getnetbiosname(machine_passwd,
120 				    sizeof (machine_passwd));
121 				(void) smb_strlwr(machine_passwd);
122 			}
123 		}
124 
125 		if (status == NT_STATUS_SUCCESS) {
126 			erc = smb_setdomainprops(NULL, dxi->d_dc,
127 			    machine_passwd);
128 			if (erc != 0) {
129 				syslog(LOG_NOTICE, "Failed to update CIFS "
130 				    "configuration");
131 				bzero(machine_passwd, sizeof (machine_passwd));
132 				return (NT_STATUS_UNSUCCESSFUL);
133 			}
134 
135 			status = mlsvc_netlogon(dxi->d_dc, domain->di_nbname);
136 		}
137 	} else {
138 		status = NT_STATUS_LOGON_FAILURE;
139 	}
140 
141 	bzero(machine_passwd, sizeof (machine_passwd));
142 	return (status);
143 }
144 
145 int
146 mlsvc_ping(const char *server)
147 {
148 	return (smbrdr_echo(server));
149 }
150 
151 void
152 mlsvc_disconnect(const char *server)
153 {
154 	smbrdr_disconnect(server);
155 }
156