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 /* 34 * pmap_clnt.c 35 * Client interface to pmap rpc service. 36 * 37 * Copyright (C) 1984, Sun Microsystems, Inc. 38 */ 39 40 #include "namespace.h" 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 #include <unistd.h> 44 45 #include <rpc/rpc.h> 46 #include <rpc/pmap_prot.h> 47 #include <rpc/pmap_clnt.h> 48 #include <rpc/nettype.h> 49 #include <netinet/in.h> 50 #include "un-namespace.h" 51 52 #include <stdio.h> 53 #include <stdlib.h> 54 55 #include "rpc_com.h" 56 57 bool_t 58 pmap_set(u_long program, u_long version, int protocol, int port) 59 { 60 bool_t rslt; 61 struct netbuf *na; 62 struct netconfig *nconf; 63 char buf[32]; 64 65 if ((protocol != IPPROTO_UDP) && (protocol != IPPROTO_TCP)) { 66 return (FALSE); 67 } 68 nconf = __rpc_getconfip(protocol == IPPROTO_UDP ? "udp" : "tcp"); 69 if (nconf == NULL) { 70 return (FALSE); 71 } 72 snprintf(buf, sizeof buf, "0.0.0.0.%d.%d", 73 (((u_int32_t)port) >> 8) & 0xff, port & 0xff); 74 na = uaddr2taddr(nconf, buf); 75 if (na == NULL) { 76 freenetconfigent(nconf); 77 return (FALSE); 78 } 79 rslt = rpcb_set((rpcprog_t)program, (rpcvers_t)version, nconf, na); 80 free(na); 81 freenetconfigent(nconf); 82 return (rslt); 83 } 84 85 /* 86 * Remove the mapping between program, version and port. 87 * Calls the pmap service remotely to do the un-mapping. 88 */ 89 bool_t 90 pmap_unset(u_long program, u_long version) 91 { 92 struct netconfig *nconf; 93 bool_t udp_rslt = FALSE; 94 bool_t tcp_rslt = FALSE; 95 96 nconf = __rpc_getconfip("udp"); 97 if (nconf != NULL) { 98 udp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version, 99 nconf); 100 freenetconfigent(nconf); 101 } 102 nconf = __rpc_getconfip("tcp"); 103 if (nconf != NULL) { 104 tcp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version, 105 nconf); 106 freenetconfigent(nconf); 107 } 108 /* 109 * XXX: The call may still succeed even if only one of the 110 * calls succeeded. This was the best that could be 111 * done for backward compatibility. 112 */ 113 return (tcp_rslt || udp_rslt); 114 } 115