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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T
* All Rights Reserved
*
* Portions of this source code were derived from Berkeley
* 4.3 BSD under license from the Regents of the University of
* California.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* from kerbd_handle.c 1.3 92/01/29 SMI */
/*
* gssd_handle.c, Interface to gssd
*
*/
#include <unistd.h>
#include <rpc/rpc.h>
#include <rpc/clnt.h>
#include <stdio.h>
#include <string.h>
#include <netconfig.h>
#include <sys/utsname.h>
#include "gssd.h"
#ifdef DEBUG
#define dprt(msg) (void) fprintf(stderr, "%s\n", msg);
#else
#define dprt(msg)
#endif /* DEBUG */
/*
* Keep the handle cached. This call may be made quite often.
*/
CLIENT *
getgssd_handle()
{
void *localhandle;
struct netconfig *nconf;
struct netconfig *tpconf;
static CLIENT *clnt;
struct timeval wait_time;
struct utsname u;
static char *hostname;
static bool_t first_time = TRUE;
#define TOTAL_TIMEOUT 1000 /* total timeout talking to gssd */
#define TOTAL_TRIES 1 /* Number of tries */
if (clnt)
return (clnt);
if (!(localhandle = setnetconfig()))
return (NULL);
tpconf = NULL;
if (first_time == TRUE) {
if (uname(&u) == -1)
return ((CLIENT *) NULL);
if ((hostname = strdup(u.nodename)) == (char *)NULL)
return ((CLIENT *) NULL);
first_time = FALSE;
}
while (nconf = getnetconfig(localhandle)) {
if (strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0) {
if (nconf->nc_semantics == NC_TPI_COTS_ORD) {
clnt = clnt_tp_create(hostname,
GSSPROG, GSSVERS, nconf);
if (clnt) {
dprt("got COTS_ORD\n");
break;
}
} else {
tpconf = nconf;
}
}
}
if ((clnt == NULL) && (tpconf)) {
/* Now, try the connection-oriented loopback transport */
clnt = clnt_tp_create(hostname, GSSPROG, GSSVERS, tpconf);
#ifdef DEBUG
if (clnt) {
dprt("got COTS\n");
}
#endif /* DEBUG */
}
endnetconfig(localhandle);
/*
* This bit of code uses an as yet unimplemented argument to
* clnt_control(). CLSET_SVC_PRIV specifies that the underlying
* loopback transport should be checked to ensure it is
* connected to a process running as root. If so, the clnt_control()
* call returns TRUE. If not, it returns FALSE.
*/
#ifdef CLSET_SVC_PRIV
if (clnt_control(clnt, CLSET_SVC_PRIV, NULL) != TRUE) {
clnt_destroy(clnt);
clnt = NULL;
return (NULL);
{
#endif
if (clnt == NULL)
return (NULL);
clnt->cl_auth = authsys_create("", getuid(), 0, 0, NULL);
if (clnt->cl_auth == NULL) {
clnt_destroy(clnt);
clnt = NULL;
return (NULL);
}
wait_time.tv_sec = TOTAL_TIMEOUT/TOTAL_TRIES;
wait_time.tv_usec = 0;
(void) clnt_control(clnt, CLSET_RETRY_TIMEOUT, (char *)&wait_time);
return (clnt);
}
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