+++ /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@
- */
-
-/*
- * 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
- */
-/*
- * xdr_sizeof.c
- *
- * Copyright 1990 Sun Microsystems, Inc.
- *
- * General purpose routine to see how much space something will use
- * when serialized using XDR.
- */
-#include <stdlib.h>
-
-#include "sec_xdr.h"
-
-/* ARGSUSED */
-static bool_t
-sec_x_putlong(xdrs, intp)
- XDR *xdrs;
- int *intp;
-{
- xdrs->x_handy += BYTES_PER_XDR_UNIT;
- return (TRUE);
-}
-
-/* ARGSUSED */
-static bool_t
-sec_x_putbytes(xdrs, bp, len)
- XDR *xdrs;
- char *bp;
- u_int len;
-{
- xdrs->x_handy += len;
- return (TRUE);
-}
-
-static u_int
-sec_x_getpostn(xdrs)
- XDR *xdrs;
-{
- return (xdrs->x_handy);
-}
-
-/* ARGSUSED */
-static bool_t
-sec_x_setpostn(xdrs, pos)
- XDR *xdrs;
- u_int pos;
-{
- /* This is not allowed */
- return (FALSE);
-}
-
-static int32_t *
-sec_x_inline(xdrs, len)
- XDR *xdrs;
- u_int len;
-{
- intptr_t llen;
-
- if (len == 0) {
- return (NULL);
- }
-
- if (xdrs->x_op != XDR_ENCODE) {
- return (NULL);
- }
-
- llen = len;
-
- if (llen < (intptr_t)xdrs->x_base) {
- /* x_private was already allocated */
- xdrs->x_handy += llen;
- return ((int32_t *) xdrs->x_private);
- } else {
- /* Free the earlier space and allocate new area */
- if (xdrs->x_private)
- free(xdrs->x_private);
- if ((xdrs->x_private = (caddr_t) malloc(len)) == NULL) {
- xdrs->x_base = 0;
- return (NULL);
- }
- xdrs->x_base = (caddr_t)llen;
- xdrs->x_handy += llen;
- return ((int32_t *) xdrs->x_private);
- }
-}
-
-static int
-sec_harmless()
-{
- /* Always return FALSE/NULL, as the case may be */
- return (0);
-}
-
-static void
-sec_x_destroy(xdrs)
- XDR *xdrs;
-{
- xdrs->x_handy = 0;
- xdrs->x_base = 0;
- if (xdrs->x_private) {
- free(xdrs->x_private);
- xdrs->x_private = NULL;
- }
- return;
-}
-
-u_int
-sec_xdr_sizeof_in(func, data)
- xdrproc_t func;
- void *data;
-{
- XDR x;
- struct xdr_ops ops;
- bool_t stat;
- /* to stop ANSI-C compiler from complaining */
-#ifdef __LP64__
- typedef bool_t (* dummyfunc1)(XDR *, int *);
-#else
- typedef bool_t (* dummyfunc1)(XDR *, long *);
-#endif
- typedef bool_t (* dummyfunc2)(XDR *, caddr_t, u_int);
-
- ops.x_putlong = sec_x_putlong;
- ops.x_putbytes = sec_x_putbytes;
- ops.x_inline = sec_x_inline;
- ops.x_getpostn = sec_x_getpostn;
- ops.x_setpostn = sec_x_setpostn;
- ops.x_destroy = sec_x_destroy;
-
- /* the other harmless ones */
- ops.x_getlong = (dummyfunc1) sec_harmless;
- ops.x_getbytes = (dummyfunc2) sec_harmless;
-
- x.x_op = XDR_ENCODE;
- x.x_ops = &ops;
- x.x_handy = 0;
- x.x_public = (caddr_t) NULL; // explicitly unsetting to avoid confusion with custom allocator
- x.x_private = (caddr_t) NULL;
- x.x_base = (caddr_t) 0;
-
- sec_xdr_arena_allocator_t size_alloc;
- sec_xdr_arena_init_size_alloc(&size_alloc, &x);
- stat = func(&x, data, 0);
- if (x.x_private)
- free(x.x_private);
- return (stat == TRUE ? (unsigned) x.x_handy: 0);
-}
-
-u_int
-sec_xdr_sizeof_out(copy, size, func, data)
- const void *copy;
- u_int size;
- xdrproc_t func;
- void **data;
-{
- XDR x;
- bool_t stat;
-
- sec_xdrmem_create(&x, (void *)copy, size, XDR_DECODE);
-
- sec_xdr_arena_allocator_t size_alloc;
- sec_xdr_arena_init_size_alloc(&size_alloc, &x);
- stat = func(&x, data, 0);
- if (size_alloc.data)
- free(size_alloc.data);
- return (stat == TRUE ? (u_int)size_alloc.offset : 0);
-}
projects / apple / security.git / blobdiff