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