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 2009 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/libsmbrdr.h> 42 #include <smbsrv/libsmbns.h> 43 #include <smbsrv/libmlsvc.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 extern int mlsvc_user_getauth(char *, char *, smb_auth_info_t *); 56 57 /* 58 * mlsvc_lookup_name 59 * 60 * This is just a wrapper for lsa_lookup_name. 61 * 62 * The memory for the sid is allocated using malloc so the caller should 63 * call free when it is no longer required. 64 */ 65 uint32_t 66 mlsvc_lookup_name(char *name, smb_sid_t **sid, uint16_t *sid_type) 67 { 68 smb_account_t account; 69 uint32_t status; 70 71 status = lsa_lookup_name(name, *sid_type, &account); 72 if (status == NT_STATUS_SUCCESS) { 73 *sid = account.a_sid; 74 account.a_sid = NULL; 75 *sid_type = account.a_type; 76 smb_account_free(&account); 77 } 78 79 return (status); 80 } 81 82 /* 83 * mlsvc_lookup_sid 84 * 85 * This is just a wrapper for lsa_lookup_sid. 86 * 87 * The allocated memory for the returned name must be freed by caller upon 88 * successful return. 89 */ 90 uint32_t 91 mlsvc_lookup_sid(smb_sid_t *sid, char **name) 92 { 93 smb_account_t ainfo; 94 uint32_t status; 95 int namelen; 96 97 if ((status = lsa_lookup_sid(sid, &ainfo)) == NT_STATUS_SUCCESS) { 98 namelen = strlen(ainfo.a_domain) + strlen(ainfo.a_name) + 2; 99 if ((*name = malloc(namelen)) != NULL) 100 (void) snprintf(*name, namelen, "%s\\%s", 101 ainfo.a_domain, ainfo.a_name); 102 else 103 status = NT_STATUS_NO_MEMORY; 104 105 smb_account_free(&ainfo); 106 } 107 108 return (status); 109 } 110 111 DWORD 112 mlsvc_netlogon(char *server, char *domain) 113 { 114 mlsvc_handle_t netr_handle; 115 DWORD status; 116 117 if (netr_open(server, domain, &netr_handle) == 0) { 118 if ((status = netlogon_auth(server, &netr_handle, 119 NETR_FLG_INIT)) != NT_STATUS_SUCCESS) 120 syslog(LOG_NOTICE, "Failed to establish NETLOGON " 121 "credential chain"); 122 (void) netr_close(&netr_handle); 123 } else { 124 status = NT_STATUS_OPEN_FAILED; 125 } 126 127 return (status); 128 } 129 130 /* 131 * Joins the specified domain by creating a machine account on 132 * the selected domain controller. 133 * 134 * Disconnect any existing connection with the domain controller. 135 * This will ensure that no stale connection will be used, it will 136 * also pickup any configuration changes in either side by trying 137 * to establish a new connection. 138 * 139 * Returns NT status codes. 140 */ 141 DWORD 142 mlsvc_join(smb_domain_t *dinfo, char *user, char *plain_text) 143 { 144 smb_auth_info_t auth; 145 int erc; 146 DWORD status; 147 char machine_passwd[NETR_MACHINE_ACCT_PASSWD_MAX]; 148 smb_adjoin_status_t err; 149 nt_domain_t *domain; 150 151 machine_passwd[0] = '\0'; 152 153 domain = &dinfo->d_info; 154 155 mlsvc_disconnect(dinfo->d_dc); 156 157 erc = mlsvc_logon(dinfo->d_dc, domain->di_nbname, user); 158 159 if (erc == AUTH_USER_GRANT) { 160 if (mlsvc_ntjoin_support == B_FALSE) { 161 162 if ((err = smb_ads_join(domain->di_fqname, user, 163 plain_text, machine_passwd, 164 sizeof (machine_passwd))) == SMB_ADJOIN_SUCCESS) { 165 status = NT_STATUS_SUCCESS; 166 } else { 167 smb_ads_join_errmsg(err); 168 status = NT_STATUS_UNSUCCESSFUL; 169 } 170 } else { 171 if (mlsvc_user_getauth(dinfo->d_dc, user, &auth) 172 != 0) { 173 status = NT_STATUS_INVALID_PARAMETER; 174 return (status); 175 } 176 177 status = sam_create_trust_account(dinfo->d_dc, 178 domain->di_nbname, &auth); 179 if (status == NT_STATUS_SUCCESS) { 180 (void) smb_getnetbiosname(machine_passwd, 181 sizeof (machine_passwd)); 182 (void) utf8_strlwr(machine_passwd); 183 } 184 } 185 186 if (status == NT_STATUS_SUCCESS) { 187 erc = smb_setdomainprops(NULL, dinfo->d_dc, 188 machine_passwd); 189 if (erc != 0) { 190 syslog(LOG_NOTICE, "Failed to update CIFS " 191 "configuration"); 192 return (NT_STATUS_UNSUCCESSFUL); 193 } 194 195 status = mlsvc_netlogon(dinfo->d_dc, domain->di_nbname); 196 } 197 } else { 198 status = NT_STATUS_LOGON_FAILURE; 199 } 200 201 return (status); 202 } 203