lib/libc/rpc/pmap_clnt.c

   1 /*      $NetBSD: pmap_clnt.c,v 1.18 2003/01/18 11:29:05 thorpej 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 1.18 2003/01/18 11:29:05 thorpej 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_internal.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 }