1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate * 22*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 23*0Sstevel@tonic-gate * Use is subject to license terms. 24*0Sstevel@tonic-gate * 25*0Sstevel@tonic-gate * Copyright (c) 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T 26*0Sstevel@tonic-gate * All Rights Reserved 27*0Sstevel@tonic-gate * 28*0Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 29*0Sstevel@tonic-gate * 4.3 BSD under license from the Regents of the University of 30*0Sstevel@tonic-gate * California. 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 34*0Sstevel@tonic-gate /* from kerbd_handle.c 1.3 92/01/29 SMI */ 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate /* 37*0Sstevel@tonic-gate * gssd_handle.c, Interface to gssd 38*0Sstevel@tonic-gate * 39*0Sstevel@tonic-gate */ 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate #include <unistd.h> 42*0Sstevel@tonic-gate #include <rpc/rpc.h> 43*0Sstevel@tonic-gate #include <rpc/clnt.h> 44*0Sstevel@tonic-gate #include <stdio.h> 45*0Sstevel@tonic-gate #include <string.h> 46*0Sstevel@tonic-gate #include <netconfig.h> 47*0Sstevel@tonic-gate #include <sys/utsname.h> 48*0Sstevel@tonic-gate #include "gssd.h" 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate #ifdef DEBUG 51*0Sstevel@tonic-gate #define dprt(msg) (void) fprintf(stderr, "%s\n", msg); 52*0Sstevel@tonic-gate #else 53*0Sstevel@tonic-gate #define dprt(msg) 54*0Sstevel@tonic-gate #endif /* DEBUG */ 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate /* 58*0Sstevel@tonic-gate * Keep the handle cached. This call may be made quite often. 59*0Sstevel@tonic-gate */ 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate CLIENT * 62*0Sstevel@tonic-gate getgssd_handle() 63*0Sstevel@tonic-gate { 64*0Sstevel@tonic-gate void *localhandle; 65*0Sstevel@tonic-gate struct netconfig *nconf; 66*0Sstevel@tonic-gate struct netconfig *tpconf; 67*0Sstevel@tonic-gate static CLIENT *clnt; 68*0Sstevel@tonic-gate struct timeval wait_time; 69*0Sstevel@tonic-gate struct utsname u; 70*0Sstevel@tonic-gate static char *hostname; 71*0Sstevel@tonic-gate static bool_t first_time = TRUE; 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate #define TOTAL_TIMEOUT 1000 /* total timeout talking to gssd */ 74*0Sstevel@tonic-gate #define TOTAL_TRIES 1 /* Number of tries */ 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate if (clnt) 77*0Sstevel@tonic-gate return (clnt); 78*0Sstevel@tonic-gate if (!(localhandle = setnetconfig())) 79*0Sstevel@tonic-gate return (NULL); 80*0Sstevel@tonic-gate tpconf = NULL; 81*0Sstevel@tonic-gate if (first_time == TRUE) { 82*0Sstevel@tonic-gate if (uname(&u) == -1) 83*0Sstevel@tonic-gate return ((CLIENT *) NULL); 84*0Sstevel@tonic-gate if ((hostname = strdup(u.nodename)) == (char *) NULL) 85*0Sstevel@tonic-gate return ((CLIENT *) NULL); 86*0Sstevel@tonic-gate first_time = FALSE; 87*0Sstevel@tonic-gate } 88*0Sstevel@tonic-gate while (nconf = getnetconfig(localhandle)) { 89*0Sstevel@tonic-gate if (strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0) { 90*0Sstevel@tonic-gate if (nconf->nc_semantics == NC_TPI_COTS_ORD) { 91*0Sstevel@tonic-gate clnt = clnt_tp_create(hostname, 92*0Sstevel@tonic-gate GSSPROG, GSSVERS, nconf); 93*0Sstevel@tonic-gate if (clnt) { 94*0Sstevel@tonic-gate dprt("got COTS_ORD\n"); 95*0Sstevel@tonic-gate break; 96*0Sstevel@tonic-gate } 97*0Sstevel@tonic-gate } else { 98*0Sstevel@tonic-gate tpconf = nconf; 99*0Sstevel@tonic-gate } 100*0Sstevel@tonic-gate } 101*0Sstevel@tonic-gate } 102*0Sstevel@tonic-gate if ((clnt == NULL) && (tpconf)) { 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate /* Now, try the connection-oriented loopback transport */ 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate clnt = clnt_tp_create(hostname, GSSPROG, GSSVERS, tpconf); 107*0Sstevel@tonic-gate #ifdef DEBUG 108*0Sstevel@tonic-gate if (clnt) { 109*0Sstevel@tonic-gate dprt("got COTS\n"); 110*0Sstevel@tonic-gate } 111*0Sstevel@tonic-gate #endif DEBUG 112*0Sstevel@tonic-gate } 113*0Sstevel@tonic-gate endnetconfig(localhandle); 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate /* 116*0Sstevel@tonic-gate * This bit of code uses an as yet unimplemented argument to 117*0Sstevel@tonic-gate * clnt_control(). CLSET_SVC_PRIV specifies that the underlying 118*0Sstevel@tonic-gate * loopback transport should be checked to ensure it is 119*0Sstevel@tonic-gate * connected to a process running as root. If so, the clnt_control() 120*0Sstevel@tonic-gate * call returns TRUE. If not, it returns FALSE. 121*0Sstevel@tonic-gate */ 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate #ifdef CLSET_SVC_PRIV 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate if (clnt_control(clnt, CLSET_SVC_PRIV, NULL) != TRUE) { 126*0Sstevel@tonic-gate clnt_destroy(clnt); 127*0Sstevel@tonic-gate clnt = NULL; 128*0Sstevel@tonic-gate return (NULL); 129*0Sstevel@tonic-gate { 130*0Sstevel@tonic-gate #endif 131*0Sstevel@tonic-gate if (clnt == NULL) 132*0Sstevel@tonic-gate return (NULL); 133*0Sstevel@tonic-gate 134*0Sstevel@tonic-gate clnt->cl_auth = authsys_create("", getuid(), 0, 0, NULL); 135*0Sstevel@tonic-gate if (clnt->cl_auth == NULL) { 136*0Sstevel@tonic-gate clnt_destroy(clnt); 137*0Sstevel@tonic-gate clnt = NULL; 138*0Sstevel@tonic-gate return (NULL); 139*0Sstevel@tonic-gate } 140*0Sstevel@tonic-gate wait_time.tv_sec = TOTAL_TIMEOUT/TOTAL_TRIES; 141*0Sstevel@tonic-gate wait_time.tv_usec = 0; 142*0Sstevel@tonic-gate (void) clnt_control(clnt, CLSET_RETRY_TIMEOUT, (char *)&wait_time); 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate return (clnt); 145*0Sstevel@tonic-gate } 146