smbd_join.c revision 7b59d02d2a384be9a08087b14defadd214b3c1dd
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * CDDL HEADER START
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * The contents of this file are subject to the terms of the
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Common Development and Distribution License (the "License").
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * You may not use this file except in compliance with the License.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * or http://www.opensolaris.org/os/licensing.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * See the License for the specific language governing permissions
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * and limitations under the License.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * When distributing Covered Code, include this CDDL HEADER in each
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * If applicable, add the following below this CDDL HEADER, with the
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * fields enclosed by brackets "[]" replaced with your own identifying
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * information: Portions Copyright [yyyy] [name of copyright owner]
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * CDDL HEADER END
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Use is subject to license terms.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#pragma ident "%Z%%M% %I% %E% SMI"
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <syslog.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <synch.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <pthread.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <unistd.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <string.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <strings.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <sys/errno.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <smbsrv/libsmb.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <smbsrv/libsmbrdr.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <smbsrv/libsmbns.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <smbsrv/libmlsvc.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <smbsrv/smbinfo.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <smbsrv/ntstatus.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#include <smbsrv/lsalib.h>
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Maximum time to wait for a domain controller (30 seconds).
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#define SMB_NETLOGON_TIMEOUT 30
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Flags used in conjunction with the location and query condition
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * variables.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#define SMB_NETLF_LOCATE_DC 0x00000001
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw#define SMB_NETLF_LSA_QUERY 0x00000002
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwtypedef struct smb_netlogon_info {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw char snli_domain[SMB_PI_MAX_DOMAIN];
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw unsigned snli_flags;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw mutex_t snli_locate_mtx;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw cond_t snli_locate_cv;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw mutex_t snli_query_mtx;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw cond_t snli_query_cv;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw uint32_t snli_status;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw} smb_netlogon_info_t;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwstatic smb_netlogon_info_t smb_netlogon_info;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwstatic pthread_t lsa_monitor_thr;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwstatic pthread_t dc_browser_thr;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwstatic void *smb_netlogon_lsa_monitor(void *arg);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwstatic void *smb_netlogon_dc_browser(void *arg);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Inline convenience function to find out if the domain information is
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * valid. The caller can decide whether or not to wait.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwstatic boolean_t
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwsmb_ntdomain_is_valid(uint32_t timeout)
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw{
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smb_ntdomain_t *info;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if ((info = smb_getdomaininfo(timeout)) != 0) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (info->ipaddr != 0)
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (B_TRUE);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (B_FALSE);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw}
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * smbd_join
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Joins the specified domain/workgroup
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwuint32_t
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwsmbd_join(smb_joininfo_t *info)
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw{
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smb_ntdomain_t *pi;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw uint32_t status;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw unsigned char passwd_hash[SMBAUTH_HASH_SZ];
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw char plain_passwd[PASS_LEN + 1];
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw char plain_user[PASS_LEN + 1];
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as char nbt_domain[SMB_PI_MAX_DOMAIN];
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as char fqdn[MAXHOSTNAMELEN];
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (info->mode == SMB_SECMODE_WORKGRP) {
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as if (smb_config_get_secmode() == SMB_SECMODE_DOMAIN) {
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as if (ads_domain_change_cleanup("") != 0) {
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as syslog(LOG_ERR, "smbd: unable to remove the"
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as " old keys from the Kerberos keytab. "
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as "Please remove the old keys for your "
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as "host principal.");
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as }
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as }
7b59d02d2a384be9a08087b14defadd214b3c1ddjb
7b59d02d2a384be9a08087b14defadd214b3c1ddjb (void) smb_config_getstr(SMB_CI_DOMAIN_NAME, nbt_domain,
7b59d02d2a384be9a08087b14defadd214b3c1ddjb sizeof (nbt_domain));
7b59d02d2a384be9a08087b14defadd214b3c1ddjb
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) smb_config_set_secmode(info->mode);
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as (void) smb_config_setstr(SMB_CI_DOMAIN_NAME, info->domain_name);
7b59d02d2a384be9a08087b14defadd214b3c1ddjb
7b59d02d2a384be9a08087b14defadd214b3c1ddjb if (strcasecmp(nbt_domain, info->domain_name))
7b59d02d2a384be9a08087b14defadd214b3c1ddjb smb_browser_reconfig();
7b59d02d2a384be9a08087b14defadd214b3c1ddjb
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (NT_STATUS_SUCCESS);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw /*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Ensure that any previous membership of this domain has
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * been cleared from the environment before we start. This
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * will ensure that we don't attempt a NETLOGON_SAMLOGON
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * when attempting to find the PDC.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as (void) smb_config_setbool(SMB_CI_DOMAIN_MEMB, B_FALSE);
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as (void) strlcpy(plain_user, info->domain_username, sizeof (plain_user));
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as (void) strlcpy(plain_passwd, info->domain_passwd,
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as sizeof (plain_passwd));
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as (void) smb_resolve_netbiosname(info->domain_name, nbt_domain,
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as sizeof (nbt_domain));
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as if (smb_resolve_fqdn(info->domain_name, fqdn, sizeof (fqdn)) != 1) {
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as syslog(LOG_ERR, "smbd: fully-qualified domain name is unknown");
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as return (NT_STATUS_INVALID_PARAMETER);
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as }
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as if (ads_domain_change_cleanup(fqdn)) {
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as syslog(LOG_ERR, "smbd: unable to remove the old keys from the"
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as " Kerberos keytab. Please remove the old keys for your "
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as "host principal.");
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as return (NT_STATUS_INTERNAL_ERROR);
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (smb_auth_ntlm_hash(plain_passwd, passwd_hash) != SMBAUTH_SUCCESS) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw status = NT_STATUS_INTERNAL_ERROR;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw syslog(LOG_ERR, "smbd: could not compute ntlm hash for '%s'",
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw plain_user);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (status);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smbrdr_ipc_set(plain_user, passwd_hash);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as if (locate_resource_pdc(nbt_domain)) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if ((pi = smb_getdomaininfo(0)) == 0) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw syslog(LOG_ERR, "smbd: could not get domain controller"
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw "information for '%s'", info->domain_name);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (status);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw /*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Temporary delay before creating
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * the workstation trust account.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) sleep(2);
55bf511df53aad0fdb7eb3fa349f0308cc05234cas status = mlsvc_join(pi->server, pi->domain,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw plain_user, plain_passwd);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (status == NT_STATUS_SUCCESS) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) smb_config_set_secmode(SMB_SECMODE_DOMAIN);
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as (void) smb_config_setstr(SMB_CI_DOMAIN_NAME,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw info->domain_name);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smbrdr_ipc_commit();
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (status);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smbrdr_ipc_rollback();
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw syslog(LOG_ERR, "smbd: failed joining %s (%s)",
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw info->domain_name, xlate_nt_status(status));
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (status);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smbrdr_ipc_rollback();
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw syslog(LOG_ERR, "smbd: failed locating domain controller for %s",
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw info->domain_name);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw}
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * locate_resource_pdc
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * This is the entry point for discovering a domain controller for the
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * specified domain. The caller may block here for around 30 seconds if
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * the system has to go to the network and find a domain controller.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Sometime it would be good to change this to smb_locate_pdc and allow
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * the caller to specify whether or not he wants to wait for a response.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * The actual work of discovering a DC is handled by other threads.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * All we do here is signal the request and wait for a DC or a timeout.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Returns B_TRUE if a domain controller is available.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwboolean_t
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwlocate_resource_pdc(char *domain)
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw{
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw int rc;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw timestruc_t to;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (domain == NULL || *domain == '\0')
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (B_FALSE);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) mutex_lock(&smb_netlogon_info.snli_locate_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if ((smb_netlogon_info.snli_flags & SMB_NETLF_LOCATE_DC) == 0) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smb_netlogon_info.snli_flags |= SMB_NETLF_LOCATE_DC;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) strlcpy(smb_netlogon_info.snli_domain, domain,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw SMB_PI_MAX_DOMAIN);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) cond_broadcast(&smb_netlogon_info.snli_locate_cv);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw while (smb_netlogon_info.snli_flags & SMB_NETLF_LOCATE_DC) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw to.tv_sec = SMB_NETLOGON_TIMEOUT;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw to.tv_nsec = 0;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw rc = cond_reltimedwait(&smb_netlogon_info.snli_locate_cv,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw &smb_netlogon_info.snli_locate_mtx, &to);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (rc == ETIME)
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw break;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) mutex_unlock(&smb_netlogon_info.snli_locate_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (smb_ntdomain_is_valid(0));
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw}
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * smb_netlogon_init
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Initialization of the DC browser and LSA monitor threads.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Returns 0 on success, an error number if thread creation fails.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwint
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwsmb_netlogon_init(void)
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw{
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw pthread_attr_t tattr;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw int rc;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) pthread_attr_init(&tattr);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw rc = pthread_create(&lsa_monitor_thr, &tattr,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smb_netlogon_lsa_monitor, 0);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (rc != 0)
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw goto nli_exit;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw rc = pthread_create(&dc_browser_thr, &tattr,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smb_netlogon_dc_browser, 0);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (rc != 0) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) pthread_cancel(lsa_monitor_thr);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) pthread_join(lsa_monitor_thr, NULL);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwnli_exit:
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) pthread_attr_destroy(&tattr);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (rc);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw}
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * smb_netlogon_dc_browser
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * This is the DC browser thread: it gets woken up whenever someone
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * wants to locate a domain controller.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * With the introduction of Windows 2000, NetBIOS is no longer a
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * requirement for NT domains. If NetBIOS has been disabled on the
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * network there will be no browsers and we won't get any response
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * to netlogon requests. So we try to find a DC controller via ADS
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * first. If ADS is disabled or the DNS query fails, we drop back
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * to the netlogon protocol.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * This function will block for up to 30 seconds waiting for the PDC
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * to be discovered. Sometime it would be good to change this to
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * smb_locate_pdc and allow the caller to specify whether or not he
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * wants to wait for a response.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*ARGSUSED*/
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwstatic void *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwsmb_netlogon_dc_browser(void *arg)
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw{
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw boolean_t rc;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw char resource_domain[SMB_PI_MAX_DOMAIN];
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw for (;;) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) mutex_lock(&smb_netlogon_info.snli_locate_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw while ((smb_netlogon_info.snli_flags & SMB_NETLF_LOCATE_DC) ==
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw 0) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) cond_wait(&smb_netlogon_info.snli_locate_cv,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw &smb_netlogon_info.snli_locate_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) mutex_unlock(&smb_netlogon_info.snli_locate_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) strlcpy(resource_domain, smb_netlogon_info.snli_domain,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw SMB_PI_MAX_DOMAIN);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smb_setdomaininfo(NULL, NULL, 0);
dc20a3024900c47dd2ee44b9707e6df38f7d62a5as if (msdcs_lookup_ads(resource_domain) == 0) {
7b59d02d2a384be9a08087b14defadd214b3c1ddjb /* Try to locate a DC via NetBIOS */
7b59d02d2a384be9a08087b14defadd214b3c1ddjb smb_browser_netlogon(resource_domain);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw rc = smb_ntdomain_is_valid(SMB_NETLOGON_TIMEOUT);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) mutex_lock(&smb_netlogon_info.snli_locate_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smb_netlogon_info.snli_flags &= ~SMB_NETLF_LOCATE_DC;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) cond_broadcast(&smb_netlogon_info.snli_locate_cv);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) mutex_unlock(&smb_netlogon_info.snli_locate_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (rc != B_TRUE) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw /*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Notify the LSA monitor to update the
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * primary and trusted domain information.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) mutex_lock(&smb_netlogon_info.snli_query_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smb_netlogon_info.snli_flags |= SMB_NETLF_LSA_QUERY;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) cond_broadcast(&smb_netlogon_info.snli_query_cv);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) mutex_unlock(&smb_netlogon_info.snli_query_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw /*NOTREACHED*/
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (NULL);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw}
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * smb_netlogon_lsa_monitor
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * This monitor should run as a separate thread. It waits on a condition
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * variable until someone indicates that the LSA domain information needs
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * to be refreshed. It then queries the DC for the NT domain information:
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * primary, account and trusted domains. The condition variable should be
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * signaled whenever a DC is selected.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Note that the LSA query calls require the DC information and this task
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * may end up blocked on the DC location protocol, which is why this
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * monitor is run as a separate thread. This should only happen if the DC
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * goes down immediately after we located it.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw/*ARGSUSED*/
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwstatic void *
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amwsmb_netlogon_lsa_monitor(void *arg)
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw{
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw uint32_t status;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw for (;;) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) mutex_lock(&smb_netlogon_info.snli_query_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw while ((smb_netlogon_info.snli_flags & SMB_NETLF_LSA_QUERY) ==
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw 0) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) cond_wait(&smb_netlogon_info.snli_query_cv,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw &smb_netlogon_info.snli_query_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw smb_netlogon_info.snli_flags &= ~SMB_NETLF_LSA_QUERY;
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw (void) mutex_unlock(&smb_netlogon_info.snli_query_mtx);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw /*
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * Skip the LSA query if Authenticated IPC is supported
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw * and the credential is not yet set.
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw */
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (smbrdr_ipc_skip_lsa_query() == 0) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw status = lsa_query_primary_domain_info();
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (status == NT_STATUS_SUCCESS) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (lsa_query_account_domain_info()
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw != NT_STATUS_SUCCESS) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw syslog(LOG_DEBUG,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw "NetlogonLSAMonitor: query "
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw "account info failed");
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw if (lsa_enum_trusted_domains()
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw != NT_STATUS_SUCCESS) {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw syslog(LOG_DEBUG,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw "NetlogonLSAMonitor: enum "
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw "trusted domain failed");
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw } else {
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw syslog(LOG_DEBUG,
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw "NetlogonLSAMonitor: update failed");
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw }
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw /*NOTREACHED*/
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw return (NULL);
da6c28aaf62fa55f0fdb8004aa40f88f23bf53f0amw}