usr/src/lib/krb5/kadm5/srv/xdr_alloc.c

   1
   2 /*
   3  * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
   4  *
   5  *      Openvision retains the copyright to derivative works of
   6  *      this source code.  Do *NOT* create a derivative of this
   7  *      source code before consulting with your legal department.
   8  *      Do *NOT* integrate *ANY* of this source code into another
   9  *      product before consulting with your legal department.
  10  *
  11  *      For further information, read the top-level Openvision
  12  *      copyright which is contained in the top-level MIT Kerberos
  13  *      copyright.
  14  *
  15  * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
  16  *
  17  */
  18
  19
  20 /* @(#)xdr_mem.c        2.1 88/07/29 4.0 RPCSRC */
  21 /*
  22  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
  23  * unrestricted use provided that this legend is included on all tape
  24  * media and as a part of the software program in whole or part.  Users
  25  * may copy or modify Sun RPC without charge, but are not authorized
  26  * to license or distribute it to anyone else except as part of a product or
  27  * program developed by the user.
  28  *
  29  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  30  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  31  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  32  *
  33  * Sun RPC is provided with no support and without any obligation on the
  34  * part of Sun Microsystems, Inc. to assist in its use, correction,
  35  * modification or enhancement.
  36  *
  37  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  38  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  39  * OR ANY PART THEREOF.
  40  *
  41  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  42  * or profits or other special, indirect and consequential damages, even if
  43  * Sun has been advised of the possibility of such damages.
  44  *
  45  * Sun Microsystems, Inc.
  46  * 2550 Garcia Avenue
  47  * Mountain View, California  94043
  48  */
  49 #if !defined(lint) && defined(SCCSIDS)
  50 static char sccsid[] = "@(#)xdr_mem.c 1.19 87/08/11 Copyr 1984 Sun Micro";
  51 #endif
  52
  53 /*
  54  * Copyright 1993 OpenVision Technologies, Inc., All Rights Reserved.
  55  *
  56  */
  57
  58 #include "admin.h"
  59 #include <rpc/types.h>
  60 #include <rpc/xdr.h>
  61 #include <dyn/dyn.h>
  62
  63 /* Solaris Kerberos - 116 resync */
  64 static bool_t   xdralloc_putlong();
  65 static bool_t   xdralloc_putbytes();
  66 static unsigned int     xdralloc_getpos();
  67 static rpc_inline_t *   xdralloc_inline();
  68 static void     xdralloc_destroy();
  69 static bool_t   xdralloc_notsup_getlong();
  70 static bool_t   xdralloc_notsup_getbytes();
  71 static bool_t   xdralloc_notsup_setpos();
  72 static struct   xdr_ops xdralloc_ops = {
  73      xdralloc_notsup_getlong,
  74      xdralloc_putlong,
  75      xdralloc_notsup_getbytes,
  76      xdralloc_putbytes,
  77      xdralloc_getpos,
  78      xdralloc_notsup_setpos,
  79      xdralloc_inline,
  80      xdralloc_destroy,
  81 };
  82
  83 /*
  84  * The procedure xdralloc_create initializes a stream descriptor for a
  85  * memory buffer.
  86  */
  87 void xdralloc_create(XDR *xdrs, enum xdr_op op)
  88 {
  89      xdrs->x_op = op;
  90      xdrs->x_ops = &xdralloc_ops;
  91      xdrs->x_private = (caddr_t) DynCreate(sizeof(char), -4);
  92      /* not allowed to fail */
  93 }
  94
  95 caddr_t xdralloc_getdata(XDR *xdrs)
  96 {
  97      return (caddr_t) DynGet((DynObject) xdrs->x_private, 0);
  98 }
  99
 100 void xdralloc_release(XDR *xdrs)
 101 {
 102      DynRelease((DynObject) xdrs->x_private);
 103 }
 104
 105 static void xdralloc_destroy(XDR *xdrs)
 106 {
 107      DynDestroy((DynObject) xdrs->x_private);
 108 }
 109
 110 static bool_t xdralloc_notsup_getlong(
 111      register XDR *xdrs,
 112      long *lp)
 113 {
 114      return FALSE;
 115 }
 116
 117 static bool_t xdralloc_putlong(
 118      register XDR *xdrs,
 119      long *lp)
 120 {
 121      int l = htonl((uint32_t) *lp); /* XXX need bounds checking */
 122
 123      /* XXX assumes sizeof(int)==4 */
 124      if (DynInsert((DynObject) xdrs->x_private,
 125                    DynSize((DynObject) xdrs->x_private), &l,
 126                    sizeof(int)) != DYN_OK)
 127           return FALSE;
 128      return (TRUE);
 129 }
 130
 131
 132 static bool_t xdralloc_notsup_getbytes(
 133      register XDR *xdrs,
 134      caddr_t addr,
 135      register unsigned int len)
 136 {
 137      return FALSE;
 138 }
 139
 140
 141 static bool_t xdralloc_putbytes(
 142      register XDR *xdrs,
 143      caddr_t addr,
 144      register unsigned int len)
 145 {
 146      if (DynInsert((DynObject) xdrs->x_private,
 147                    DynSize((DynObject) xdrs->x_private),
 148                    addr, (int) len) != DYN_OK)
 149           return FALSE;
 150      return TRUE;
 151 }
 152
 153 static unsigned int xdralloc_getpos(XDR *xdrs)
 154 {
 155      return DynSize((DynObject) xdrs->x_private);
 156 }
 157
 158 static bool_t xdralloc_notsup_setpos(
 159      register XDR *xdrs,
 160      unsigned int lp)
 161 {
 162      return FALSE;
 163 }
 164
 165
 166
 167 static rpc_inline_t *xdralloc_inline(
 168      register XDR *xdrs,
 169      int len)
 170 {
 171      return (rpc_inline_t *) 0;
 172 }