usr/src/lib/librpcsvc/common/rusersxdr.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  *
  22  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
  26 /* All Rights Reserved */
  27 /*
  28  * Portions of this source code were derived from Berkeley
  29  * 4.3 BSD under license from the Regents of the University of
  30  * California.
  31  */
  32
  33 #pragma ident   "%Z%%M% %I%     %E% SMI"
  34
  35 /*
  36  * rusersxdr.c
  37  * These are the non-rpcgen-able XDR routines for version 2 of the rusers
  38  * protocol.
  39  *
  40  */
  41
  42 #include <sys/types.h>
  43 #include <rpc/rpc.h>
  44 #include <rpcsvc/rusers.h>
  45
  46 int
  47 xdr_ru_utmp(xdrsp, up)
  48         XDR *xdrsp;
  49         struct ru_utmp *up;
  50 {
  51         u_int len;
  52         char *p;
  53
  54         /*
  55          * This code implements demented byte vectors:  we send out the length
  56          * of fixed-length vectors, followed by the opaque bytes.  This is to
  57          * be compatible with the over-the-wire protocol, as well as the
  58          * rusers.h definition for struct ru_utmp.
  59          */
  60         len = (int)sizeof (up->ut_line);
  61         if (xdr_u_int(xdrsp, &len) == FALSE)
  62                 return (0);
  63         if (len != sizeof (up->ut_line)) {
  64                 return (0);
  65         }
  66         if (!xdr_opaque(xdrsp, (char *)up->ut_line, len)) {
  67                 return (0);
  68         }
  69         len = (int)sizeof (up->ut_name);
  70         if (xdr_u_int(xdrsp, &len) == FALSE)
  71                 return (0);
  72         if (len != sizeof (up->ut_name)) {
  73                 return (0);
  74         }
  75         if (!xdr_opaque(xdrsp, (char *)up->ut_name, len)) {
  76                 return (0);
  77         }
  78         len = (int)sizeof (up->ut_host);
  79         if (xdr_u_int(xdrsp, &len) == FALSE)
  80                 return (0);
  81         if (len != sizeof (up->ut_host)) {
  82                 return (0);
  83         }
  84         if (!xdr_opaque(xdrsp, (char *)up->ut_host, len)) {
  85                 return (0);
  86         }
  87         if (xdr_int(xdrsp, (int32_t *) &up->ut_time) == FALSE)
  88                 return (0);
  89         return (1);
  90 }
  91
  92 int
  93 xdr_utmpidle(xdrsp, ui)
  94         XDR *xdrsp;
  95         struct utmpidle *ui;
  96 {
  97         if (xdr_ru_utmp(xdrsp, &ui->ui_utmp) == FALSE)
  98                 return (0);
  99         if (xdr_u_int(xdrsp, &ui->ui_idle) == FALSE)
 100                 return (0);
 101         return (1);
 102 }
 103
 104 int
 105 xdr_utmpidleptr(xdrsp, up)
 106         XDR *xdrsp;
 107         struct utmpidle **up;
 108 {
 109         if (xdr_reference(xdrsp, (char **) up, sizeof (struct utmpidle),
 110                         xdr_utmpidle) == FALSE)
 111                 return (0);
 112         return (1);
 113 }
 114
 115 int
 116 xdr_utmpidlearr(xdrsp, up)
 117         XDR *xdrsp;
 118         struct utmpidlearr *up;
 119 {
 120         return (xdr_array(xdrsp, (char **) &up->uia_arr,
 121                 (u_int *)&(up->uia_cnt), MAXUSERS, sizeof (struct utmpidle *),
 122                 xdr_utmpidleptr));
 123 }