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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2014 Nexenta Systems, Inc. All rights reserved.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <syslog.h>
#include <rpc/rpc.h>
#include <sys/uuid.h>
#include <smb/ntstatus.h>
#include <synch.h>
#include <thread.h>
#include <arpa/inet.h>
#include <uuid/uuid.h>
#include "idmapd.h"
#include "libadutils.h"
#include "dsgetdc.h"
#include "ads_priv.h"
void adspriv_program_1(struct svc_req *, register SVCXPRT *);
SVCXPRT *dcl_xprt = NULL;
void
init_dc_locator(void)
{
int connmaxrec = 32 * 1024;
dcl_xprt = svc_door_create(adspriv_program_1,
ADSPRIV_PROGRAM, ADSPRIV_V1, connmaxrec);
if (dcl_xprt == NULL) {
syslog(LOG_ERR, "unable to create door RPC service");
return;
}
if (!svc_control(dcl_xprt, SVCSET_CONNMAXREC, &connmaxrec)) {
syslog(LOG_ERR, "unable to limit RPC request size");
}
}
void
fini_dc_locator(void)
{
if (dcl_xprt != NULL)
svc_destroy(dcl_xprt);
}
/*
* Functions called by the (generated) adspriv_srv.c
*/
/* ARGSUSED */
bool_t
adspriv_null_1_svc(void *result, struct svc_req *rqstp)
{
return (TRUE);
}
/* ARGSUSED */
bool_t
adspriv_forcerediscovery_1_svc(
DsForceRediscoveryArgs args,
int *res,
struct svc_req *sreq)
{
/* Ignoring args for now. */
idmap_cfg_force_rediscovery();
*res = 0;
return (TRUE);
}
/* ARGSUSED */
bool_t
adspriv_getdcname_1_svc(
DsGetDcNameArgs args,
DsGetDcNameRes *res,
struct svc_req *sreq)
{
uuid_t uuid;
adspriv_dcinfo *dci;
idmap_pg_config_t *pgcfg;
ad_disc_ds_t *ds;
char *s;
/* Init */
(void) memset(res, 0, sizeof (*res));
res->status = 0;
dci = &res->DsGetDcNameRes_u.res0;
if (args.Flags & DS_FORCE_REDISCOVERY)
idmap_cfg_force_rediscovery();
/*
* We normally should wait if discovery is running.
* Sort of mis-using the background flag as a way to
* skip the wait, until we really do background disc.
*/
if ((args.Flags & DS_BACKGROUND_ONLY) == 0) {
timespec_t tv = { 15, 0 };
int rc = 0;
int waited = 0;
(void) mutex_lock(&_idmapdstate.addisc_lk);
if (_idmapdstate.addisc_st != 0)
idmapdlog(LOG_DEBUG, "getdcname wait begin");
while (_idmapdstate.addisc_st != 0) {
waited++;
rc = cond_reltimedwait(&_idmapdstate.addisc_cv,
&_idmapdstate.addisc_lk, &tv);
if (rc == ETIME)
break;
}
(void) mutex_unlock(&_idmapdstate.addisc_lk);
if (rc == ETIME) {
/* Caller will replace this with DC not found. */
idmapdlog(LOG_ERR, "getdcname timeout");
res->status = NT_STATUS_CANT_WAIT;
return (TRUE);
}
if (waited) {
idmapdlog(LOG_DEBUG, "getdcname wait done");
}
}
RDLOCK_CONFIG();
pgcfg = &_idmapdstate.cfg->pgcfg;
if (pgcfg->domain_name == NULL) {
res->status = NT_STATUS_INVALID_SERVER_STATE;
goto out;
}
if (args.DomainName != NULL && args.DomainName[0] != '\0' &&
0 != strcasecmp(args.DomainName, pgcfg->domain_name)) {
/*
* They asked for a specific domain not our primary,
* which is not supported (and not needed).
*/
res->status = NT_STATUS_NO_SUCH_DOMAIN;
goto out;
}
if ((ds = pgcfg->domain_controller) == NULL) {
res->status = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
goto out;
}
dci->dci_DcName = strdup(ds->host);
dci->dci_DcAddr = calloc(1, INET6_ADDRSTRLEN);
if (dci->dci_DcAddr != NULL &&
ad_disc_getnameinfo(dci->dci_DcAddr, INET6_ADDRSTRLEN,
&ds->addr) == 0)
dci->dci_AddrType = DS_INET_ADDRESS;
if ((s = pgcfg->domain_guid) != NULL &&
0 == uuid_parse(s, uuid)) {
(void) memcpy(dci->dci_guid, uuid, sizeof (uuid));
}
if ((s = pgcfg->domain_name) != NULL)
dci->dci_DomainName = strdup(s);
if ((s = pgcfg->forest_name) != NULL)
dci->dci_DnsForestName = strdup(s);
dci->dci_Flags = ds->flags;
dci->dci_DcSiteName = strdup(ds->site);
if ((s = pgcfg->site_name) != NULL)
dci->dci_ClientSiteName = strdup(s);
/* Address in binary form too. */
(void) memcpy(&dci->dci_sockaddr,
&ds->addr, ADSPRIV_SOCKADDR_LEN);
out:
UNLOCK_CONFIG();
return (TRUE);
}
/* ARGSUSED */
int
adspriv_program_1_freeresult(SVCXPRT *xprt, xdrproc_t fun, caddr_t res)
{
(void) xdr_free(fun, res);
return (TRUE);
}
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