4.3BSD - /usr/src/new/sunrpc/pmap_getport.c

   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: #ifndef lint
  30: static char sccsid[] = "@(#)pmap_getport.c 1.1 85/02/08 Copyr 1984 Sun Micro";
  31: #endif
  32: 
  33: /*
  34:  * pmap_getport.c
  35:  * Client interface to pmap rpc service.
  36:  *
  37:  * Copyright (C) 1984, Sun Microsystems, Inc.
  38:  */
  39: 
  40: #include "types.h"
  41: #include <netinet/in.h>
  42: #include "xdr.h"
  43: #include "auth.h"
  44: #include "clnt.h"
  45: #include "rpc_msg.h"
  46: #include "pmap_prot.h"
  47: #include "pmap_clnt.h"
  48: #include <sys/socket.h>
  49: #include <sys/time.h>
  50: #include <stdio.h>
  51: #include <net/if.h>
  52: #include <sys/ioctl.h>
  53: #include <arpa/inet.h>
  54: #define NAMELEN 255
  55: 
  56: static struct timeval timeout = { 5, 0 };
  57: static struct timeval tottimeout = { 60, 0 };
  58: 
  59: /*
  60:  * Find the mapped port for program,version.
  61:  * Calls the pmap service remotely to do the lookup.
  62:  * Returns 0 if no map exists.
  63:  */
  64: u_short
  65: pmap_getport(address, program, version, protocol)
  66:     struct sockaddr_in *address;
  67:     u_long program;
  68:     u_long version;
  69:     u_long protocol;
  70: {
  71:     u_short port = 0;
  72:     int socket = -1;
  73:     register CLIENT *client;
  74:     struct pmap parms;
  75: 
  76:     address->sin_port = htons(PMAPPORT);
  77:     client = clntudp_create(address, PMAPPROG,
  78:         PMAPVERS, timeout, &socket);
  79:     if (client != (CLIENT *)NULL) {
  80:         parms.pm_prog = program;
  81:         parms.pm_vers = version;
  82:         parms.pm_prot = protocol;
  83:         parms.pm_port = 0;  /* not needed or used */
  84:         if (CLNT_CALL(client, PMAPPROC_GETPORT, xdr_pmap, &parms,
  85:             xdr_u_short, &port, tottimeout) != RPC_SUCCESS){
  86:             rpc_createerr.cf_stat = RPC_PMAPFAILURE;
  87:             clnt_geterr(client, &rpc_createerr.cf_error);
  88:         } else if (port == 0) {
  89:             rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
  90:         }
  91:         CLNT_DESTROY(client);
  92:     }
  93:     (void)close(socket);
  94:     address->sin_port = 0;
  95:     return (port);
  96: }

Defined functions

Defined variables

Defined macros