1 /* $NetBSD: pmap_clnt.c,v 1.16 2000/07/06 03:10:34 christos Exp $ */ 2 3 /* 4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 5 * unrestricted use provided that this legend is included on all tape 6 * media and as a part of the software program in whole or part. Users 7 * may copy or modify Sun RPC without charge, but are not authorized 8 * to license or distribute it to anyone else except as part of a product or 9 * program developed by the user. 10 * 11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 14 * 15 * Sun RPC is provided with no support and without any obligation on the 16 * part of Sun Microsystems, Inc. to assist in its use, correction, 17 * modification or enhancement. 18 * 19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 21 * OR ANY PART THEREOF. 22 * 23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 24 * or profits or other special, indirect and consequential damages, even if 25 * Sun has been advised of the possibility of such damages. 26 * 27 * Sun Microsystems, Inc. 28 * 2550 Garcia Avenue 29 * Mountain View, California 94043 30 */ 31 32 #include <sys/cdefs.h> 33 #if defined(LIBC_SCCS) && !defined(lint) 34 #if 0 35 static char *sccsid = "@(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro"; 36 static char *sccsid = "@(#)pmap_clnt.c 2.2 88/08/01 4.0 RPCSRC"; 37 #else 38 __RCSID("$NetBSD: pmap_clnt.c,v 1.16 2000/07/06 03:10:34 christos Exp $"); 39 #endif 40 #endif 41 42 /* 43 * pmap_clnt.c 44 * Client interface to pmap rpc service. 45 * 46 * Copyright (C) 1984, Sun Microsystems, Inc. 47 */ 48 49 #include "namespace.h" 50 51 #include <unistd.h> 52 53 #include <rpc/rpc.h> 54 #include <rpc/pmap_prot.h> 55 #include <rpc/pmap_clnt.h> 56 #include <rpc/nettype.h> 57 58 #include <stdio.h> 59 #include <stdlib.h> 60 61 #include "rpc_com.h" 62 63 #ifdef __weak_alias 64 __weak_alias(pmap_set,_pmap_set) 65 __weak_alias(pmap_unset,_pmap_unset) 66 #endif 67 68 bool_t 69 pmap_set(u_long program, u_long version, int protocol, int port) 70 { 71 bool_t rslt; 72 struct netbuf *na; 73 struct netconfig *nconf; 74 char buf[32]; 75 76 if ((protocol != IPPROTO_UDP) && (protocol != IPPROTO_TCP)) { 77 return (FALSE); 78 } 79 nconf = __rpc_getconfip(protocol == IPPROTO_UDP ? "udp" : "tcp"); 80 if (nconf == NULL) { 81 return (FALSE); 82 } 83 snprintf(buf, sizeof buf, "0.0.0.0.%d.%d", 84 (((u_int32_t)port) >> 8) & 0xff, port & 0xff); 85 na = uaddr2taddr(nconf, buf); 86 if (na == NULL) { 87 freenetconfigent(nconf); 88 return (FALSE); 89 } 90 rslt = rpcb_set((rpcprog_t)program, (rpcvers_t)version, nconf, na); 91 free(na); 92 freenetconfigent(nconf); 93 return (rslt); 94 } 95 96 /* 97 * Remove the mapping between program, version and port. 98 * Calls the pmap service remotely to do the un-mapping. 99 */ 100 bool_t 101 pmap_unset(u_long program, u_long version) 102 { 103 struct netconfig *nconf; 104 bool_t udp_rslt = FALSE; 105 bool_t tcp_rslt = FALSE; 106 107 nconf = __rpc_getconfip("udp"); 108 if (nconf != NULL) { 109 udp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version, 110 nconf); 111 freenetconfigent(nconf); 112 } 113 nconf = __rpc_getconfip("tcp"); 114 if (nconf != NULL) { 115 tcp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version, 116 nconf); 117 freenetconfigent(nconf); 118 } 119 /* 120 * XXX: The call may still succeed even if only one of the 121 * calls succeeded. This was the best that could be 122 * done for backward compatibility. 123 */ 124 return (tcp_rslt || udp_rslt); 125 } 126