1 /*- 2 * Copyright (c) 2009, Sun Microsystems, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * - Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * - Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * - Neither the name of Sun Microsystems, Inc. nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 * 28 * @(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro 29 * @(#)pmap_clnt.c 2.2 88/08/01 4.0 RPCSRC 30 * $NetBSD: pmap_clnt.c,v 1.16 2000/07/06 03:10:34 christos Exp $ 31 * $FreeBSD: src/lib/libc/rpc/pmap_clnt.c,v 1.15 2004/10/16 06:11:35 obrien Exp $ 32 * $DragonFly: src/lib/libc/rpc/pmap_clnt.c,v 1.5 2005/11/13 12:27:04 swildner Exp $ 33 */ 34 35 /* 36 * pmap_clnt.c 37 * Client interface to pmap rpc service. 38 * 39 * Copyright (C) 1984, Sun Microsystems, Inc. 40 */ 41 42 #include "namespace.h" 43 #include <sys/types.h> 44 #include <sys/stat.h> 45 #include <unistd.h> 46 47 #include <rpc/rpc.h> 48 #include <rpc/pmap_prot.h> 49 #include <rpc/pmap_clnt.h> 50 #include <rpc/nettype.h> 51 #include <netinet/in.h> 52 #include "un-namespace.h" 53 54 #include <stdio.h> 55 #include <stdlib.h> 56 57 #include "rpc_com.h" 58 59 bool_t 60 pmap_set(u_long program, u_long version, int protocol, u_short port) 61 { 62 bool_t rslt; 63 struct netbuf *na; 64 struct netconfig *nconf; 65 char buf[32]; 66 67 if ((protocol != IPPROTO_UDP) && (protocol != IPPROTO_TCP)) { 68 return (FALSE); 69 } 70 nconf = __rpc_getconfip(protocol == IPPROTO_UDP ? "udp" : "tcp"); 71 if (nconf == NULL) { 72 return (FALSE); 73 } 74 snprintf(buf, sizeof buf, "0.0.0.0.%d.%d", 75 (((u_int32_t)port) >> 8) & 0xff, port & 0xff); 76 na = uaddr2taddr(nconf, buf); 77 if (na == NULL) { 78 freenetconfigent(nconf); 79 return (FALSE); 80 } 81 rslt = rpcb_set((rpcprog_t)program, (rpcvers_t)version, nconf, na); 82 free(na); 83 freenetconfigent(nconf); 84 return (rslt); 85 } 86 87 /* 88 * Remove the mapping between program, version and port. 89 * Calls the pmap service remotely to do the un-mapping. 90 */ 91 bool_t 92 pmap_unset(u_long program, u_long version) 93 { 94 struct netconfig *nconf; 95 bool_t udp_rslt = FALSE; 96 bool_t tcp_rslt = FALSE; 97 98 nconf = __rpc_getconfip("udp"); 99 if (nconf != NULL) { 100 udp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version, 101 nconf); 102 freenetconfigent(nconf); 103 } 104 nconf = __rpc_getconfip("tcp"); 105 if (nconf != NULL) { 106 tcp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version, 107 nconf); 108 freenetconfigent(nconf); 109 } 110 /* 111 * XXX: The call may still succeed even if only one of the 112 * calls succeeded. This was the best that could be 113 * done for backward compatibility. 114 */ 115 return (tcp_rslt || udp_rslt); 116 } 117