rpc.subproj/pmap_clnt.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
  27  * unrestricted use provided that this legend is included on all tape
  28  * media and as a part of the software program in whole or part.  Users
  29  * may copy or modify Sun RPC without charge, but are not authorized
  30  * to license or distribute it to anyone else except as part of a product or
  31  * program developed by the user.
  32  *
  33  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  34  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  35  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  36  *
  37  * Sun RPC is provided with no support and without any obligation on the
  38  * part of Sun Microsystems, Inc. to assist in its use, correction,
  39  * modification or enhancement.
  40  *
  41  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  42  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  43  * OR ANY PART THEREOF.
  44  *
  45  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  46  * or profits or other special, indirect and consequential damages, even if
  47  * Sun has been advised of the possibility of such damages.
  48  *
  49  * Sun Microsystems, Inc.
  50  * 2550 Garcia Avenue
  51  * Mountain View, California  94043
  52  */
  53
  54 #if defined(LIBC_SCCS) && !defined(lint)
  55 /*static char *sccsid = "from: @(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";*/
  56 /*static char *sccsid = "from: @(#)pmap_clnt.c  2.2 88/08/01 4.0 RPCSRC";*/
  57 static char *rcsid = "$Id: pmap_clnt.c,v 1.4 2002/02/19 20:36:23 epeyton Exp $";
  58 #endif
  59
  60 /*
  61  * pmap_clnt.c
  62  * Client interface to pmap rpc service.
  63  *
  64  * Copyright (C) 1984, Sun Microsystems, Inc.
  65  */
  66
  67 #include <string.h>
  68 #include <rpc/rpc.h>
  69 #include <rpc/pmap_prot.h>
  70 #include <rpc/pmap_clnt.h>
  71 #include <sys/types.h>
  72 #include <sys/socket.h>
  73 #include <net/if.h>
  74 #include <netinet/in.h>
  75 #include <arpa/inet.h>
  76 #include <unistd.h>
  77
  78 static struct timeval timeout = { 5, 0 };
  79 static struct timeval tottimeout = { 60, 0 };
  80
  81 void clnt_perror();
  82
  83
  84 /*
  85  * Set a mapping between program,version and port.
  86  * Calls the pmap service remotely to do the mapping.
  87  */
  88 bool_t
  89 pmap_set(program, version, protocol, port)
  90         u_long program;
  91         u_long version;
  92         int protocol;
  93         u_short port;
  94 {
  95         struct sockaddr_in myaddress;
  96         int socket = -1;
  97         register CLIENT *client;
  98         struct pmap parms;
  99         bool_t rslt;
 100
 101         memset(&myaddress, 0, sizeof(struct sockaddr_in));
 102         myaddress.sin_family = AF_INET;
 103         myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
 104
 105         client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
 106             timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
 107         if (client == (CLIENT *)NULL)
 108                 return (FALSE);
 109         parms.pm_prog = program;
 110         parms.pm_vers = version;
 111         parms.pm_prot = protocol;
 112         parms.pm_port = port;
 113         if (CLNT_CALL(client, PMAPPROC_SET, xdr_pmap, &parms, xdr_bool, &rslt,
 114             tottimeout) != RPC_SUCCESS) {
 115                 clnt_perror(client, "Cannot register service");
 116                 return (FALSE);
 117         }
 118         CLNT_DESTROY(client);
 119         (void)close(socket);
 120         return (rslt);
 121 }
 122
 123 /*
 124  * Remove the mapping between program,version and port.
 125  * Calls the pmap service remotely to do the un-mapping.
 126  */
 127 bool_t
 128 pmap_unset(program, version)
 129         u_long program;
 130         u_long version;
 131 {
 132         struct sockaddr_in myaddress;
 133         int socket = -1;
 134         register CLIENT *client;
 135         struct pmap parms;
 136         bool_t rslt;
 137
 138         memset(&myaddress, 0, sizeof(struct sockaddr_in));
 139         myaddress.sin_family = AF_INET;
 140         myaddress.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
 141
 142         client = clntudp_bufcreate(&myaddress, PMAPPROG, PMAPVERS,
 143             timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
 144         if (client == (CLIENT *)NULL)
 145                 return (FALSE);
 146         parms.pm_prog = program;
 147         parms.pm_vers = version;
 148         parms.pm_port = parms.pm_prot = 0;
 149         CLNT_CALL(client, PMAPPROC_UNSET, xdr_pmap, &parms, xdr_bool, &rslt,
 150             tottimeout);
 151         CLNT_DESTROY(client);
 152         (void)close(socket);
 153         return (rslt);
 154 }