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