sunrpc/pmap_clnt.c

   1 /* @(#)pmap_clnt.c      2.2 88/08/01 4.0 RPCSRC */
   2 /*
   3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   4  * unrestricted use provided that this legend is included on all tape
   5  * media and as a part of the software program in whole or part.  Users
   6  * may copy or modify Sun RPC without charge, but are not authorized
   7  * to license or distribute it to anyone else except as part of a product or
   8  * program developed by the user.
   9  *
  10  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  11  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  12  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  13  *
  14  * Sun RPC is provided with no support and without any obligation on the
  15  * part of Sun Microsystems, Inc. to assist in its use, correction,
  16  * modification or enhancement.
  17  *
  18  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  19  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  20  * OR ANY PART THEREOF.
  21  *
  22  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  23  * or profits or other special, indirect and consequential damages, even if
  24  * Sun has been advised of the possibility of such damages.
  25  *
  26  * Sun Microsystems, Inc.
  27  * 2550 Garcia Avenue
  28  * Mountain View, California  94043
  29  */
  30 #if !defined(lint) && defined(SCCSIDS)
  31 static char sccsid[] = "@(#)pmap_clnt.c 1.37 87/08/11 Copyr 1984 Sun Micro";
  32 #endif
  33
  34 /*
  35  * pmap_clnt.c
  36  * Client interface to pmap rpc service.
  37  *
  38  * Copyright (C) 1984, Sun Microsystems, Inc.
  39  */
  40
  41 #include <rpc/rpc.h>
  42 #include <rpc/pmap_prot.h>
  43 #include <rpc/pmap_clnt.h>
  44
  45 static const struct timeval timeout = {5, 0};
  46 static const struct timeval tottimeout = {60, 0};
  47
  48 /*
  49  * Set a mapping between program,version and port.
  50  * Calls the pmap service remotely to do the mapping.
  51  */
  52 bool_t
  53 pmap_set (u_long program, u_long version, int protocol, u_short port)
  54 {
  55   struct sockaddr_in myaddress;
  56   int socket = -1;
  57   CLIENT *client;
  58   struct pmap parms;
  59   bool_t rslt;
  60
  61   get_myaddress (&myaddress);
  62   client = clntudp_bufcreate (&myaddress, PMAPPROG, PMAPVERS,
  63                         timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
  64   if (client == (CLIENT *) NULL)
  65     return (FALSE);
  66   parms.pm_prog = program;
  67   parms.pm_vers = version;
  68   parms.pm_prot = protocol;
  69   parms.pm_port = port;
  70   if (CLNT_CALL (client, PMAPPROC_SET, (xdrproc_t)xdr_pmap, (caddr_t)&parms,
  71                  (xdrproc_t)xdr_bool, (caddr_t)&rslt,
  72                  tottimeout) != RPC_SUCCESS)
  73     {
  74       clnt_perror (client, _("Cannot register service"));
  75       return FALSE;
  76     }
  77   CLNT_DESTROY (client);
  78   /* (void)close(socket); CLNT_DESTROY closes it */
  79   return rslt;
  80 }
  81
  82 /*
  83  * Remove the mapping between program,version and port.
  84  * Calls the pmap service remotely to do the un-mapping.
  85  */
  86 bool_t
  87 pmap_unset (u_long program, u_long version)
  88 {
  89   struct sockaddr_in myaddress;
  90   int socket = -1;
  91   CLIENT *client;
  92   struct pmap parms;
  93   bool_t rslt;
  94
  95   get_myaddress (&myaddress);
  96   client = clntudp_bufcreate (&myaddress, PMAPPROG, PMAPVERS,
  97                         timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
  98   if (client == (CLIENT *) NULL)
  99     return FALSE;
 100   parms.pm_prog = program;
 101   parms.pm_vers = version;
 102   parms.pm_port = parms.pm_prot = 0;
 103   CLNT_CALL (client, PMAPPROC_UNSET, (xdrproc_t)xdr_pmap, (caddr_t)&parms,
 104              (xdrproc_t)xdr_bool, (caddr_t)&rslt, tottimeout);
 105   CLNT_DESTROY (client);
 106   /* (void)close(socket); CLNT_DESTROY already closed it */
 107   return rslt;
 108 }