+++ /dev/null
-/*
- * Copyright (c) 2006,2011,2014 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-/* $NetBSD: xdr_mem.c,v 1.15 2000/01/22 22:19:18 mycroft Exp $ */
-
-/*
- * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
- * unrestricted use provided that this legend is included on all tape
- * media and as a part of the software program in whole or part. Users
- * may copy or modify Sun RPC without charge, but are not authorized
- * to license or distribute it to anyone else except as part of a product or
- * program developed by the user.
- *
- * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
- * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
- *
- * Sun RPC is provided with no support and without any obligation on the
- * part of Sun Microsystems, Inc. to assist in its use, correction,
- * modification or enhancement.
- *
- * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
- * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
- * OR ANY PART THEREOF.
- *
- * In no event will Sun Microsystems, Inc. be liable for any lost revenue
- * or profits or other special, indirect and consequential damages, even if
- * Sun has been advised of the possibility of such damages.
- *
- * Sun Microsystems, Inc.
- * 2550 Garcia Avenue
- * Mountain View, California 94043
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char *sccsid = "@(#)xdr_mem.c 1.19 87/08/11 Copyr 1984 Sun Micro";
-static char *sccsid = "@(#)xdr_mem.c 2.1 88/07/29 4.0 RPCSRC";
-#endif
-#include <sys/cdefs.h>
-
-/*
- * xdr_mem.h, XDR implementation using memory buffers.
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- *
- * If you have some data to be interpreted as external data representation
- * or to be converted to external data representation in a memory buffer,
- * then this is the package for you.
- *
- */
-
-#include <sys/types.h>
-
-#include <netinet/in.h>
-
-#include <string.h>
-
-#include "sec_xdr.h"
-
-static void sec_xdrmem_destroy(XDR *);
-
-#ifdef __LP64__
-#define long_callback_ptr_t int *
-#else
-#define long_callback_ptr_t long *
-#endif
-static bool_t sec_xdrmem_getlong_aligned(XDR *, long_callback_ptr_t);
-static bool_t sec_xdrmem_putlong_aligned(XDR *, const long_callback_ptr_t);
-static bool_t sec_xdrmem_getlong_unaligned(XDR *, long_callback_ptr_t);
-static bool_t sec_xdrmem_putlong_unaligned(XDR *, const long_callback_ptr_t);
-
-static bool_t sec_xdrmem_getbytes(XDR *, char *, u_int);
-static bool_t sec_xdrmem_putbytes(XDR *, const char *, u_int);
-/* XXX: w/64-bit pointers, u_int not enough! */
-static u_int sec_xdrmem_getpos(XDR *);
-static bool_t sec_xdrmem_setpos(XDR *, u_int);
-static int32_t *sec_xdrmem_inline_aligned(XDR *, u_int);
-static int32_t *sec_xdrmem_inline_unaligned(XDR *, u_int);
-
-static const struct xdr_ops sec_xdrmem_ops_aligned = {
- sec_xdrmem_getlong_aligned,
- sec_xdrmem_putlong_aligned,
- sec_xdrmem_getbytes,
- sec_xdrmem_putbytes,
- sec_xdrmem_getpos,
- sec_xdrmem_setpos,
- sec_xdrmem_inline_aligned,
- sec_xdrmem_destroy
-};
-
-static const struct xdr_ops sec_xdrmem_ops_unaligned = {
- sec_xdrmem_getlong_unaligned,
- sec_xdrmem_putlong_unaligned,
- sec_xdrmem_getbytes,
- sec_xdrmem_putbytes,
- sec_xdrmem_getpos,
- sec_xdrmem_setpos,
- sec_xdrmem_inline_unaligned,
- sec_xdrmem_destroy
-};
-
-/*
- * The procedure sec_xdrmem_create initializes a stream descriptor for a
- * memory buffer.
- */
-void
-sec_xdrmem_create(xdrs, addr, size, op)
- XDR *xdrs;
- char *addr;
- u_int size;
- enum xdr_op op;
-{
- xdrs->x_op = op;
- xdrs->x_ops = ((unsigned long)addr & (sizeof(int32_t) - 1))
- ? &sec_xdrmem_ops_unaligned : &sec_xdrmem_ops_aligned;
- xdrs->x_private = xdrs->x_base = addr;
- xdrs->x_public = NULL;
- xdrs->x_handy = size;
-}
-
-/*ARGSUSED*/
-static void
-sec_xdrmem_destroy(xdrs)
- XDR *xdrs;
-{
-
-}
-
-static bool_t
-sec_xdrmem_getlong_aligned(xdrs, lp)
- XDR *xdrs;
- long_callback_ptr_t lp;
-{
- if (xdrs->x_handy < sizeof(int32_t))
- return (FALSE);
- xdrs->x_handy -= sizeof(int32_t);
- if (lp) *lp = ntohl(*(u_int32_t *)xdrs->x_private);
- xdrs->x_private = (char *)xdrs->x_private + sizeof(int32_t);
- return (TRUE);
-}
-
-static bool_t
-sec_xdrmem_putlong_aligned(xdrs, lp)
- XDR *xdrs;
- const long_callback_ptr_t lp;
-{
- if (xdrs->x_handy < sizeof(int32_t))
- return (FALSE);
- xdrs->x_handy -= sizeof(int32_t);
- if (lp) *(u_int32_t *)xdrs->x_private = htonl((u_int32_t)*lp);
- xdrs->x_private = (char *)xdrs->x_private + sizeof(int32_t);
- return (TRUE);
-}
-
-static bool_t
-sec_xdrmem_getlong_unaligned(xdrs, lp)
- XDR *xdrs;
- long_callback_ptr_t lp;
-{
- u_int32_t l;
-
- if (xdrs->x_handy < sizeof(int32_t))
- return (FALSE);
- xdrs->x_handy -= sizeof(int32_t);
- memmove(&l, xdrs->x_private, sizeof(int32_t));
- if (lp) *lp = ntohl(l);
- xdrs->x_private = (char *)xdrs->x_private + sizeof(int32_t);
- return (TRUE);
-}
-
-static bool_t
-sec_xdrmem_putlong_unaligned(xdrs, lp)
- XDR *xdrs;
- const long_callback_ptr_t lp;
-{
- u_int32_t l = 0;
-
- if (xdrs->x_handy < sizeof(int32_t))
- return (FALSE);
- xdrs->x_handy -= sizeof(int32_t);
- if (lp) l = htonl((u_int32_t)*lp);
- memmove(xdrs->x_private, &l, sizeof(int32_t));
- xdrs->x_private = (char *)xdrs->x_private + sizeof(int32_t);
- return (TRUE);
-}
-
-static bool_t
-sec_xdrmem_getbytes(xdrs, addr, len)
- XDR *xdrs;
- char *addr;
- u_int len;
-{
- if (xdrs->x_handy < len)
- return (FALSE);
- xdrs->x_handy -= len;
- if (addr) memmove(addr, xdrs->x_private, len);
- xdrs->x_private = (char *)xdrs->x_private + len;
- return (TRUE);
-}
-
-static bool_t
-sec_xdrmem_putbytes(xdrs, addr, len)
- XDR *xdrs;
- const char *addr;
- u_int len;
-{
- if (xdrs->x_handy < len)
- return (FALSE);
- xdrs->x_handy -= len;
- if (addr) memmove(xdrs->x_private, addr, len);
- xdrs->x_private = (char *)xdrs->x_private + len;
- return (TRUE);
-}
-
-static u_int
-sec_xdrmem_getpos(xdrs)
- XDR *xdrs;
-{
- /* XXX w/64-bit pointers, u_int not enough! */
- return (u_int)((u_long)xdrs->x_private - (u_long)xdrs->x_base);
-}
-
-static bool_t
-sec_xdrmem_setpos(xdrs, pos)
- XDR *xdrs;
- u_int pos;
-{
- char *newaddr = xdrs->x_base + pos;
- char *lastaddr = (char *)xdrs->x_private + xdrs->x_handy;
-
- if (newaddr > lastaddr)
- return (FALSE);
- xdrs->x_private = newaddr;
- xdrs->x_handy = (u_int)(lastaddr - newaddr); /* XXX sizeof(u_int) <? sizeof(ptrdiff_t) */
- return (TRUE);
-}
-
-static int32_t *
-sec_xdrmem_inline_aligned(xdrs, len)
- XDR *xdrs;
- u_int len;
-{
- int32_t *buf = 0;
-
- if (xdrs->x_handy >= len) {
- xdrs->x_handy -= len;
- buf = (int32_t *)xdrs->x_private;
- xdrs->x_private = (char *)xdrs->x_private + len;
- }
- return (buf);
-}
-
-/* ARGSUSED */
-static int32_t *
-sec_xdrmem_inline_unaligned(xdrs, len)
- XDR *xdrs;
- u_int len;
-{
- return (0);
-}
-
-/**
- * This is almost a straight copy of the standard implementation, except
- * that all calls made that move memory don't do so if passed a NULL dest.
- * getbytes in particular when called from xdr_bytes during sizing of a decode
- * needs this.
- */
projects / apple / security.git / blobdiff