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Annotation of 43BSD/contrib/sunrpc/pmap_getport.c, revision 1.1.1.1

1.1       root        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: }

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