rpc.subproj/pmap_clnt.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.1 (the "License").  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License.
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*
  25  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
  26  * unrestricted use provided that this legend is included on all tape
  27  * media and as a part of the software program in whole or part.  Users
  28  * may copy or modify Sun RPC without charge, but are not authorized
  29  * to license or distribute it to anyone else except as part of a product or
  30  * program developed by the user.
  31  *
  32  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  33  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  34  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  35  *
  36  * Sun RPC is provided with no support and without any obligation on the
  37  * part of Sun Microsystems, Inc. to assist in its use, correction,
  38  * modification or enhancement.
  39  *
  40  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  41  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  42  * OR ANY PART THEREOF.
  43  *
  44  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  45  * or profits or other special, indirect and consequential damages, even if
  46  * Sun has been advised of the possibility of such damages.
  47  *
  48  * Sun Microsystems, Inc.
  49  * 2550 Garcia Avenue
  50  * Mountain View, California  94043
  51  */
  52
  53 #if defined(LIBC_SCCS) && !defined(lint)
  54 /*static char *sccsid = "from: @(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";*/
  55 /*static char *sccsid = "from: @(#)pmap_clnt.c  2.2 88/08/01 4.0 RPCSRC";*/
  56 static char *rcsid = "$Id: pmap_clnt.c,v 1.4 2002/02/19 20:36:23 epeyton Exp $";
  57 #endif
  58
  59 /*
  60  * pmap_clnt.c
  61  * Client interface to pmap rpc service.
  62  *
  63  * Copyright (C) 1984, Sun Microsystems, Inc.
  64  */
  65
  66 #include <string.h>
  67 #include <rpc/rpc.h>
  68 #include <rpc/pmap_prot.h>
  69 #include <rpc/pmap_clnt.h>
  70 #include <sys/types.h>
  71 #include <sys/socket.h>
  72 #include <net/if.h>
  73 #include <netinet/in.h>
  74 #include <arpa/inet.h>
  75 #include <unistd.h>
  76
  77 static struct timeval timeout = { 5, 0 };
  78 static struct timeval tottimeout = { 60, 0 };
  79
  80 void clnt_perror();
  81
  82
  83 /*
  84  * Set a mapping between program,version and port.
  85  * Calls the pmap service remotely to do the mapping.
  86  */
  87 bool_t
  88 pmap_set(program, version, protocol, port)
  89         u_long program;
  90         u_long version;
  91         int protocol;
  92         u_short port;
  93 {
  94         struct sockaddr_in myaddress;
  95         int socket = -1;
  96         register CLIENT *client;
  97         struct pmap parms;
  98         bool_t rslt;
  99
 100         memset(&myaddress, 0, sizeof(struct sockaddr_in));
 101         myaddress.sin_family = AF_INET;
 102         myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
 103
 104         client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
 105             timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
 106         if (client == (CLIENT *)NULL)
 107                 return (FALSE);
 108         parms.pm_prog = program;
 109         parms.pm_vers = version;
 110         parms.pm_prot = protocol;
 111         parms.pm_port = port;
 112         if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt,
 113             tottimeout) != RPC_SUCCESS) {
 114                 clnt_perror(client, "Cannot register service");
 115                 return (FALSE);
 116         }
 117         CLNT_DESTROY(client);
 118         (void)close(socket);
 119         return (rslt);
 120 }
 121
 122 /*
 123  * Remove the mapping between program,version and port.
 124  * Calls the pmap service remotely to do the un-mapping.
 125  */
 126 bool_t
 127 pmap_unset(program, version)
 128         u_long program;
 129         u_long version;
 130 {
 131         struct sockaddr_in myaddress;
 132         int socket = -1;
 133         register CLIENT *client;
 134         struct pmap parms;
 135         bool_t rslt;
 136
 137         memset(&myaddress, 0, sizeof(struct sockaddr_in));
 138         myaddress.sin_family = AF_INET;
 139         myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
 140
 141         client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
 142             timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
 143         if (client == (CLIENT *)NULL)
 144                 return (FALSE);
 145         parms.pm_prog = program;
 146         parms.pm_vers = version;
 147         parms.pm_port = parms.pm_prot = 0;
 148         CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,
 149             tottimeout);
 150         CLNT_DESTROY(client);
 151         (void)close(socket);
 152         return (rslt);
 153 }