1 /* $NetBSD: pmap_clnt.c,v 1.16 2000/07/06 03:10:34 christos Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 * Copyright (c) 2009, Sun Microsystems, Inc. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions are met: 11 * - Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * - Redistributions in binary form must reproduce the above copyright notice, 14 * this list of conditions and the following disclaimer in the documentation 15 * and/or other materials provided with the distribution. 16 * - Neither the name of Sun Microsystems, Inc. nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #if defined(LIBC_SCCS) && !defined(lint) 34 static char *sccsid2 = "@(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro"; 35 static char *sccsid = "@(#)pmap_clnt.c 2.2 88/08/01 4.0 RPCSRC"; 36 #endif 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 40 /* 41 * pmap_clnt.c 42 * Client interface to pmap rpc service. 43 * 44 * Copyright (C) 1984, Sun Microsystems, Inc. 45 */ 46 47 #include "namespace.h" 48 #include <sys/types.h> 49 #include <sys/stat.h> 50 #include <unistd.h> 51 52 #include <rpc/rpc.h> 53 #include <rpc/pmap_prot.h> 54 #include <rpc/pmap_clnt.h> 55 #include <rpc/nettype.h> 56 #include <netinet/in.h> 57 #include "un-namespace.h" 58 59 #include <stdio.h> 60 #include <stdlib.h> 61 62 #include "rpc_com.h" 63 64 bool_t 65 pmap_set(u_long program, u_long version, int protocol, int port) 66 { 67 bool_t rslt; 68 struct netbuf *na; 69 struct netconfig *nconf; 70 char buf[32]; 71 72 if ((protocol != IPPROTO_UDP) && (protocol != IPPROTO_TCP)) { 73 return (FALSE); 74 } 75 nconf = __rpc_getconfip(protocol == IPPROTO_UDP ? "udp" : "tcp"); 76 if (nconf == NULL) { 77 return (FALSE); 78 } 79 snprintf(buf, sizeof buf, "0.0.0.0.%d.%d", 80 (((u_int32_t)port) >> 8) & 0xff, port & 0xff); 81 na = uaddr2taddr(nconf, buf); 82 if (na == NULL) { 83 freenetconfigent(nconf); 84 return (FALSE); 85 } 86 rslt = rpcb_set((rpcprog_t)program, (rpcvers_t)version, nconf, na); 87 free(na); 88 freenetconfigent(nconf); 89 return (rslt); 90 } 91 92 /* 93 * Remove the mapping between program, version and port. 94 * Calls the pmap service remotely to do the un-mapping. 95 */ 96 bool_t 97 pmap_unset(u_long program, u_long version) 98 { 99 struct netconfig *nconf; 100 bool_t udp_rslt = FALSE; 101 bool_t tcp_rslt = FALSE; 102 103 nconf = __rpc_getconfip("udp"); 104 if (nconf != NULL) { 105 udp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version, 106 nconf); 107 freenetconfigent(nconf); 108 } 109 nconf = __rpc_getconfip("tcp"); 110 if (nconf != NULL) { 111 tcp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version, 112 nconf); 113 freenetconfigent(nconf); 114 } 115 /* 116 * XXX: The call may still succeed even if only one of the 117 * calls succeeded. This was the best that could be 118 * done for backward compatibility. 119 */ 120 return (tcp_rslt || udp_rslt); 121 } 122