1 /* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 4 * media and as a part of the software program in whole or part. Users 5 * may copy or modify Sun RPC without charge, but are not authorized 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user. 8 * 9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12 * 13 * Sun RPC is provided with no support and without any obligation on the 14 * part of Sun Microsystems, Inc. to assist in its use, correction, 15 * modification or enhancement. 16 * 17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 19 * OR ANY PART THEREOF. 20 * 21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 22 * or profits or other special, indirect and consequential damages, even if 23 * Sun has been advised of the possibility of such damages. 24 * 25 * Sun Microsystems, Inc. 26 * 2550 Garcia Avenue 27 * Mountain View, California 94043 28 * 29 * @(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro 30 * @(#)pmap_clnt.c 2.2 88/08/01 4.0 RPCSRC 31 * $NetBSD: pmap_clnt.c,v 1.16 2000/07/06 03:10:34 christos Exp $ 32 * $FreeBSD: src/lib/libc/rpc/pmap_clnt.c,v 1.15 2004/10/16 06:11:35 obrien Exp $ 33 * $DragonFly: src/lib/libc/rpc/pmap_clnt.c,v 1.5 2005/11/13 12:27:04 swildner Exp $ 34 */ 35 36 /* 37 * pmap_clnt.c 38 * Client interface to pmap rpc service. 39 * 40 * Copyright (C) 1984, Sun Microsystems, Inc. 41 */ 42 43 #include "namespace.h" 44 #include <sys/types.h> 45 #include <sys/stat.h> 46 #include <unistd.h> 47 48 #include <rpc/rpc.h> 49 #include <rpc/pmap_prot.h> 50 #include <rpc/pmap_clnt.h> 51 #include <rpc/nettype.h> 52 #include <netinet/in.h> 53 #include "un-namespace.h" 54 55 #include <stdio.h> 56 #include <stdlib.h> 57 58 #include "rpc_com.h" 59 60 bool_t 61 pmap_set(u_long program, u_long version, int protocol, u_short port) 62 { 63 bool_t rslt; 64 struct netbuf *na; 65 struct netconfig *nconf; 66 char buf[32]; 67 68 if ((protocol != IPPROTO_UDP) && (protocol != IPPROTO_TCP)) { 69 return (FALSE); 70 } 71 nconf = __rpc_getconfip(protocol == IPPROTO_UDP ? "udp" : "tcp"); 72 if (nconf == NULL) { 73 return (FALSE); 74 } 75 snprintf(buf, sizeof buf, "0.0.0.0.%d.%d", 76 (((u_int32_t)port) >> 8) & 0xff, port & 0xff); 77 na = uaddr2taddr(nconf, buf); 78 if (na == NULL) { 79 freenetconfigent(nconf); 80 return (FALSE); 81 } 82 rslt = rpcb_set((rpcprog_t)program, (rpcvers_t)version, nconf, na); 83 free(na); 84 freenetconfigent(nconf); 85 return (rslt); 86 } 87 88 /* 89 * Remove the mapping between program, version and port. 90 * Calls the pmap service remotely to do the un-mapping. 91 */ 92 bool_t 93 pmap_unset(u_long program, u_long version) 94 { 95 struct netconfig *nconf; 96 bool_t udp_rslt = FALSE; 97 bool_t tcp_rslt = FALSE; 98 99 nconf = __rpc_getconfip("udp"); 100 if (nconf != NULL) { 101 udp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version, 102 nconf); 103 freenetconfigent(nconf); 104 } 105 nconf = __rpc_getconfip("tcp"); 106 if (nconf != NULL) { 107 tcp_rslt = rpcb_unset((rpcprog_t)program, (rpcvers_t)version, 108 nconf); 109 freenetconfigent(nconf); 110 } 111 /* 112 * XXX: The call may still succeed even if only one of the 113 * calls succeeded. This was the best that could be 114 * done for backward compatibility. 115 */ 116 return (tcp_rslt || udp_rslt); 117 } 118