10Sstevel@tonic-gate /*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
70Sstevel@tonic-gate * with the License.
80Sstevel@tonic-gate *
90Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate * See the License for the specific language governing permissions
120Sstevel@tonic-gate * and limitations under the License.
130Sstevel@tonic-gate *
140Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate *
200Sstevel@tonic-gate * CDDL HEADER END
210Sstevel@tonic-gate *
220Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
230Sstevel@tonic-gate * Use is subject to license terms.
240Sstevel@tonic-gate *
250Sstevel@tonic-gate * Copyright (c) 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T
260Sstevel@tonic-gate * All Rights Reserved
270Sstevel@tonic-gate *
280Sstevel@tonic-gate * Portions of this source code were derived from Berkeley
29*1047Sgtb * 4.3 BSD under license from the Regents of the University of
300Sstevel@tonic-gate * California.
310Sstevel@tonic-gate */
320Sstevel@tonic-gate
330Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
340Sstevel@tonic-gate /* from kerbd_handle.c 1.3 92/01/29 SMI */
350Sstevel@tonic-gate
360Sstevel@tonic-gate /*
370Sstevel@tonic-gate * gssd_handle.c, Interface to gssd
380Sstevel@tonic-gate *
390Sstevel@tonic-gate */
400Sstevel@tonic-gate
410Sstevel@tonic-gate #include <unistd.h>
420Sstevel@tonic-gate #include <rpc/rpc.h>
430Sstevel@tonic-gate #include <rpc/clnt.h>
440Sstevel@tonic-gate #include <stdio.h>
450Sstevel@tonic-gate #include <string.h>
460Sstevel@tonic-gate #include <netconfig.h>
470Sstevel@tonic-gate #include <sys/utsname.h>
480Sstevel@tonic-gate #include "gssd.h"
490Sstevel@tonic-gate
500Sstevel@tonic-gate #ifdef DEBUG
510Sstevel@tonic-gate #define dprt(msg) (void) fprintf(stderr, "%s\n", msg);
520Sstevel@tonic-gate #else
530Sstevel@tonic-gate #define dprt(msg)
540Sstevel@tonic-gate #endif /* DEBUG */
550Sstevel@tonic-gate
560Sstevel@tonic-gate
570Sstevel@tonic-gate /*
580Sstevel@tonic-gate * Keep the handle cached. This call may be made quite often.
590Sstevel@tonic-gate */
600Sstevel@tonic-gate
610Sstevel@tonic-gate CLIENT *
getgssd_handle()620Sstevel@tonic-gate getgssd_handle()
630Sstevel@tonic-gate {
640Sstevel@tonic-gate void *localhandle;
650Sstevel@tonic-gate struct netconfig *nconf;
660Sstevel@tonic-gate struct netconfig *tpconf;
670Sstevel@tonic-gate static CLIENT *clnt;
680Sstevel@tonic-gate struct timeval wait_time;
690Sstevel@tonic-gate struct utsname u;
700Sstevel@tonic-gate static char *hostname;
710Sstevel@tonic-gate static bool_t first_time = TRUE;
720Sstevel@tonic-gate
730Sstevel@tonic-gate #define TOTAL_TIMEOUT 1000 /* total timeout talking to gssd */
740Sstevel@tonic-gate #define TOTAL_TRIES 1 /* Number of tries */
750Sstevel@tonic-gate
760Sstevel@tonic-gate if (clnt)
770Sstevel@tonic-gate return (clnt);
780Sstevel@tonic-gate if (!(localhandle = setnetconfig()))
790Sstevel@tonic-gate return (NULL);
800Sstevel@tonic-gate tpconf = NULL;
810Sstevel@tonic-gate if (first_time == TRUE) {
820Sstevel@tonic-gate if (uname(&u) == -1)
830Sstevel@tonic-gate return ((CLIENT *) NULL);
84*1047Sgtb if ((hostname = strdup(u.nodename)) == (char *)NULL)
850Sstevel@tonic-gate return ((CLIENT *) NULL);
860Sstevel@tonic-gate first_time = FALSE;
870Sstevel@tonic-gate }
880Sstevel@tonic-gate while (nconf = getnetconfig(localhandle)) {
890Sstevel@tonic-gate if (strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0) {
900Sstevel@tonic-gate if (nconf->nc_semantics == NC_TPI_COTS_ORD) {
910Sstevel@tonic-gate clnt = clnt_tp_create(hostname,
920Sstevel@tonic-gate GSSPROG, GSSVERS, nconf);
930Sstevel@tonic-gate if (clnt) {
940Sstevel@tonic-gate dprt("got COTS_ORD\n");
950Sstevel@tonic-gate break;
960Sstevel@tonic-gate }
970Sstevel@tonic-gate } else {
980Sstevel@tonic-gate tpconf = nconf;
990Sstevel@tonic-gate }
1000Sstevel@tonic-gate }
1010Sstevel@tonic-gate }
1020Sstevel@tonic-gate if ((clnt == NULL) && (tpconf)) {
1030Sstevel@tonic-gate
1040Sstevel@tonic-gate /* Now, try the connection-oriented loopback transport */
1050Sstevel@tonic-gate
1060Sstevel@tonic-gate clnt = clnt_tp_create(hostname, GSSPROG, GSSVERS, tpconf);
1070Sstevel@tonic-gate #ifdef DEBUG
1080Sstevel@tonic-gate if (clnt) {
1090Sstevel@tonic-gate dprt("got COTS\n");
1100Sstevel@tonic-gate }
111*1047Sgtb #endif /* DEBUG */
1120Sstevel@tonic-gate }
1130Sstevel@tonic-gate endnetconfig(localhandle);
1140Sstevel@tonic-gate
1150Sstevel@tonic-gate /*
1160Sstevel@tonic-gate * This bit of code uses an as yet unimplemented argument to
1170Sstevel@tonic-gate * clnt_control(). CLSET_SVC_PRIV specifies that the underlying
1180Sstevel@tonic-gate * loopback transport should be checked to ensure it is
1190Sstevel@tonic-gate * connected to a process running as root. If so, the clnt_control()
1200Sstevel@tonic-gate * call returns TRUE. If not, it returns FALSE.
1210Sstevel@tonic-gate */
1220Sstevel@tonic-gate
1230Sstevel@tonic-gate #ifdef CLSET_SVC_PRIV
1240Sstevel@tonic-gate
1250Sstevel@tonic-gate if (clnt_control(clnt, CLSET_SVC_PRIV, NULL) != TRUE) {
1260Sstevel@tonic-gate clnt_destroy(clnt);
1270Sstevel@tonic-gate clnt = NULL;
1280Sstevel@tonic-gate return (NULL);
1290Sstevel@tonic-gate {
1300Sstevel@tonic-gate #endif
1310Sstevel@tonic-gate if (clnt == NULL)
1320Sstevel@tonic-gate return (NULL);
1330Sstevel@tonic-gate
1340Sstevel@tonic-gate clnt->cl_auth = authsys_create("", getuid(), 0, 0, NULL);
1350Sstevel@tonic-gate if (clnt->cl_auth == NULL) {
1360Sstevel@tonic-gate clnt_destroy(clnt);
1370Sstevel@tonic-gate clnt = NULL;
1380Sstevel@tonic-gate return (NULL);
1390Sstevel@tonic-gate }
1400Sstevel@tonic-gate wait_time.tv_sec = TOTAL_TIMEOUT/TOTAL_TRIES;
1410Sstevel@tonic-gate wait_time.tv_usec = 0;
1420Sstevel@tonic-gate (void) clnt_control(clnt, CLSET_RETRY_TIMEOUT, (char *)&wait_time);
1430Sstevel@tonic-gate
1440Sstevel@tonic-gate return (clnt);
1450Sstevel@tonic-gate }
146