mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-23 03:06:48 +00:00
84970eab6a
From "descriminated" to "discriminated". Signed-off-by: rilysh <nightquick@proton.me> Reviewed by: imp Pull Request: https://github.com/freebsd/freebsd-src/pull/1119
923 lines
17 KiB
C
923 lines
17 KiB
C
/* $NetBSD: xdr.c,v 1.22 2000/07/06 03:10:35 christos Exp $ */
|
|
|
|
/*-
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright (c) 2010, Oracle America, Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
* * Neither the name of the "Oracle America, Inc." nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* xdr.c, Generic XDR routines implementation.
|
|
*
|
|
* These are the "generic" xdr routines used to serialize and de-serialize
|
|
* most common data items. See xdr.h for more info on the interface to
|
|
* xdr.
|
|
*/
|
|
|
|
#include "namespace.h"
|
|
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <rpc/rpc.h>
|
|
#include <rpc/rpc_com.h>
|
|
#include <rpc/types.h>
|
|
#include <rpc/xdr.h>
|
|
#include "un-namespace.h"
|
|
|
|
typedef quad_t longlong_t; /* ANSI long long type */
|
|
typedef u_quad_t u_longlong_t; /* ANSI unsigned long long type */
|
|
|
|
/*
|
|
* constants specific to the xdr "protocol"
|
|
*/
|
|
#define XDR_FALSE ((long) 0)
|
|
#define XDR_TRUE ((long) 1)
|
|
|
|
/*
|
|
* for unit alignment
|
|
*/
|
|
static const char xdr_zero[BYTES_PER_XDR_UNIT] = { 0, 0, 0, 0 };
|
|
|
|
/*
|
|
* Free a data structure using XDR
|
|
* Not a filter, but a convenient utility nonetheless
|
|
*/
|
|
void
|
|
xdr_free(xdrproc_t proc, void *objp)
|
|
{
|
|
XDR x;
|
|
|
|
x.x_op = XDR_FREE;
|
|
(*proc)(&x, objp);
|
|
}
|
|
|
|
/*
|
|
* XDR nothing
|
|
*/
|
|
bool_t
|
|
xdr_void(void)
|
|
{
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
|
|
/*
|
|
* XDR integers
|
|
*/
|
|
bool_t
|
|
xdr_int(XDR *xdrs, int *ip)
|
|
{
|
|
long l;
|
|
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_ENCODE:
|
|
l = (long) *ip;
|
|
return (XDR_PUTLONG(xdrs, &l));
|
|
|
|
case XDR_DECODE:
|
|
if (!XDR_GETLONG(xdrs, &l)) {
|
|
return (FALSE);
|
|
}
|
|
*ip = (int) l;
|
|
return (TRUE);
|
|
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* XDR unsigned integers
|
|
*/
|
|
bool_t
|
|
xdr_u_int(XDR *xdrs, u_int *up)
|
|
{
|
|
u_long l;
|
|
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_ENCODE:
|
|
l = (u_long) *up;
|
|
return (XDR_PUTLONG(xdrs, (long *)&l));
|
|
|
|
case XDR_DECODE:
|
|
if (!XDR_GETLONG(xdrs, (long *)&l)) {
|
|
return (FALSE);
|
|
}
|
|
*up = (u_int) l;
|
|
return (TRUE);
|
|
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
|
|
/*
|
|
* XDR long integers
|
|
* same as xdr_u_long - open coded to save a proc call!
|
|
*/
|
|
bool_t
|
|
xdr_long(XDR *xdrs, long *lp)
|
|
{
|
|
switch (xdrs->x_op) {
|
|
case XDR_ENCODE:
|
|
return (XDR_PUTLONG(xdrs, lp));
|
|
case XDR_DECODE:
|
|
return (XDR_GETLONG(xdrs, lp));
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* XDR unsigned long integers
|
|
* same as xdr_long - open coded to save a proc call!
|
|
*/
|
|
bool_t
|
|
xdr_u_long(XDR *xdrs, u_long *ulp)
|
|
{
|
|
switch (xdrs->x_op) {
|
|
case XDR_ENCODE:
|
|
return (XDR_PUTLONG(xdrs, (long *)ulp));
|
|
case XDR_DECODE:
|
|
return (XDR_GETLONG(xdrs, (long *)ulp));
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
|
|
/*
|
|
* XDR 32-bit integers
|
|
* same as xdr_u_int32_t - open coded to save a proc call!
|
|
*/
|
|
bool_t
|
|
xdr_int32_t(XDR *xdrs, int32_t *int32_p)
|
|
{
|
|
long l;
|
|
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_ENCODE:
|
|
l = (long) *int32_p;
|
|
return (XDR_PUTLONG(xdrs, &l));
|
|
|
|
case XDR_DECODE:
|
|
if (!XDR_GETLONG(xdrs, &l)) {
|
|
return (FALSE);
|
|
}
|
|
*int32_p = (int32_t) l;
|
|
return (TRUE);
|
|
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* XDR unsigned 32-bit integers
|
|
* same as xdr_int32_t - open coded to save a proc call!
|
|
*/
|
|
bool_t
|
|
xdr_u_int32_t(XDR *xdrs, u_int32_t *u_int32_p)
|
|
{
|
|
u_long l;
|
|
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_ENCODE:
|
|
l = (u_long) *u_int32_p;
|
|
return (XDR_PUTLONG(xdrs, (long *)&l));
|
|
|
|
case XDR_DECODE:
|
|
if (!XDR_GETLONG(xdrs, (long *)&l)) {
|
|
return (FALSE);
|
|
}
|
|
*u_int32_p = (u_int32_t) l;
|
|
return (TRUE);
|
|
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* XDR unsigned 32-bit integers
|
|
* same as xdr_int32_t - open coded to save a proc call!
|
|
*/
|
|
bool_t
|
|
xdr_uint32_t(XDR *xdrs, uint32_t *u_int32_p)
|
|
{
|
|
u_long l;
|
|
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_ENCODE:
|
|
l = (u_long) *u_int32_p;
|
|
return (XDR_PUTLONG(xdrs, (long *)&l));
|
|
|
|
case XDR_DECODE:
|
|
if (!XDR_GETLONG(xdrs, (long *)&l)) {
|
|
return (FALSE);
|
|
}
|
|
*u_int32_p = (u_int32_t) l;
|
|
return (TRUE);
|
|
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* XDR short integers
|
|
*/
|
|
bool_t
|
|
xdr_short(XDR *xdrs, short *sp)
|
|
{
|
|
long l;
|
|
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_ENCODE:
|
|
l = (long) *sp;
|
|
return (XDR_PUTLONG(xdrs, &l));
|
|
|
|
case XDR_DECODE:
|
|
if (!XDR_GETLONG(xdrs, &l)) {
|
|
return (FALSE);
|
|
}
|
|
*sp = (short) l;
|
|
return (TRUE);
|
|
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* XDR unsigned short integers
|
|
*/
|
|
bool_t
|
|
xdr_u_short(XDR *xdrs, u_short *usp)
|
|
{
|
|
u_long l;
|
|
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_ENCODE:
|
|
l = (u_long) *usp;
|
|
return (XDR_PUTLONG(xdrs, (long *)&l));
|
|
|
|
case XDR_DECODE:
|
|
if (!XDR_GETLONG(xdrs, (long *)&l)) {
|
|
return (FALSE);
|
|
}
|
|
*usp = (u_short) l;
|
|
return (TRUE);
|
|
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
|
|
/*
|
|
* XDR 16-bit integers
|
|
*/
|
|
bool_t
|
|
xdr_int16_t(XDR *xdrs, int16_t *int16_p)
|
|
{
|
|
long l;
|
|
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_ENCODE:
|
|
l = (long) *int16_p;
|
|
return (XDR_PUTLONG(xdrs, &l));
|
|
|
|
case XDR_DECODE:
|
|
if (!XDR_GETLONG(xdrs, &l)) {
|
|
return (FALSE);
|
|
}
|
|
*int16_p = (int16_t) l;
|
|
return (TRUE);
|
|
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* XDR unsigned 16-bit integers
|
|
*/
|
|
bool_t
|
|
xdr_u_int16_t(XDR *xdrs, u_int16_t *u_int16_p)
|
|
{
|
|
u_long l;
|
|
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_ENCODE:
|
|
l = (u_long) *u_int16_p;
|
|
return (XDR_PUTLONG(xdrs, (long *)&l));
|
|
|
|
case XDR_DECODE:
|
|
if (!XDR_GETLONG(xdrs, (long *)&l)) {
|
|
return (FALSE);
|
|
}
|
|
*u_int16_p = (u_int16_t) l;
|
|
return (TRUE);
|
|
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* XDR unsigned 16-bit integers
|
|
*/
|
|
bool_t
|
|
xdr_uint16_t(XDR *xdrs, uint16_t *u_int16_p)
|
|
{
|
|
u_long l;
|
|
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_ENCODE:
|
|
l = (u_long) *u_int16_p;
|
|
return (XDR_PUTLONG(xdrs, (long *)&l));
|
|
|
|
case XDR_DECODE:
|
|
if (!XDR_GETLONG(xdrs, (long *)&l)) {
|
|
return (FALSE);
|
|
}
|
|
*u_int16_p = (u_int16_t) l;
|
|
return (TRUE);
|
|
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
|
|
/*
|
|
* XDR a char
|
|
*/
|
|
bool_t
|
|
xdr_char(XDR *xdrs, char *cp)
|
|
{
|
|
u_int i;
|
|
|
|
i = *((unsigned char *)cp);
|
|
if (!xdr_u_int(xdrs, &i)) {
|
|
return (FALSE);
|
|
}
|
|
*((unsigned char *)cp) = i;
|
|
return (TRUE);
|
|
}
|
|
|
|
/*
|
|
* XDR an unsigned char
|
|
*/
|
|
bool_t
|
|
xdr_u_char(XDR *xdrs, u_char *cp)
|
|
{
|
|
u_int u;
|
|
|
|
u = (*cp);
|
|
if (!xdr_u_int(xdrs, &u)) {
|
|
return (FALSE);
|
|
}
|
|
*cp = u;
|
|
return (TRUE);
|
|
}
|
|
|
|
/*
|
|
* XDR booleans
|
|
*/
|
|
bool_t
|
|
xdr_bool(XDR *xdrs, bool_t *bp)
|
|
{
|
|
long lb;
|
|
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_ENCODE:
|
|
lb = *bp ? XDR_TRUE : XDR_FALSE;
|
|
return (XDR_PUTLONG(xdrs, &lb));
|
|
|
|
case XDR_DECODE:
|
|
if (!XDR_GETLONG(xdrs, &lb)) {
|
|
return (FALSE);
|
|
}
|
|
*bp = (lb == XDR_FALSE) ? FALSE : TRUE;
|
|
return (TRUE);
|
|
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* XDR enumerations
|
|
*/
|
|
bool_t
|
|
xdr_enum(XDR *xdrs, enum_t *ep)
|
|
{
|
|
enum sizecheck { SIZEVAL }; /* used to find the size of an enum */
|
|
|
|
/*
|
|
* enums are treated as ints
|
|
*/
|
|
/* LINTED */ if (sizeof (enum sizecheck) == sizeof (long)) {
|
|
return (xdr_long(xdrs, (long *)(void *)ep));
|
|
} else /* LINTED */ if (sizeof (enum sizecheck) == sizeof (int)) {
|
|
return (xdr_int(xdrs, (int *)(void *)ep));
|
|
} else /* LINTED */ if (sizeof (enum sizecheck) == sizeof (short)) {
|
|
return (xdr_short(xdrs, (short *)(void *)ep));
|
|
} else {
|
|
return (FALSE);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* XDR opaque data
|
|
* Allows the specification of a fixed size sequence of opaque bytes.
|
|
* cp points to the opaque object and cnt gives the byte length.
|
|
*/
|
|
bool_t
|
|
xdr_opaque(XDR *xdrs, caddr_t cp, u_int cnt)
|
|
{
|
|
u_int rndup;
|
|
static int crud[BYTES_PER_XDR_UNIT];
|
|
|
|
/*
|
|
* if no data we are done
|
|
*/
|
|
if (cnt == 0)
|
|
return (TRUE);
|
|
|
|
/*
|
|
* round byte count to full xdr units
|
|
*/
|
|
rndup = cnt % BYTES_PER_XDR_UNIT;
|
|
if (rndup > 0)
|
|
rndup = BYTES_PER_XDR_UNIT - rndup;
|
|
|
|
if (xdrs->x_op == XDR_DECODE) {
|
|
if (!XDR_GETBYTES(xdrs, cp, cnt)) {
|
|
return (FALSE);
|
|
}
|
|
if (rndup == 0)
|
|
return (TRUE);
|
|
return (XDR_GETBYTES(xdrs, (caddr_t)(void *)crud, rndup));
|
|
}
|
|
|
|
if (xdrs->x_op == XDR_ENCODE) {
|
|
if (!XDR_PUTBYTES(xdrs, cp, cnt)) {
|
|
return (FALSE);
|
|
}
|
|
if (rndup == 0)
|
|
return (TRUE);
|
|
return (XDR_PUTBYTES(xdrs, xdr_zero, rndup));
|
|
}
|
|
|
|
if (xdrs->x_op == XDR_FREE) {
|
|
return (TRUE);
|
|
}
|
|
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* XDR counted bytes
|
|
* *cpp is a pointer to the bytes, *sizep is the count.
|
|
* If *cpp is NULL maxsize bytes are allocated
|
|
*/
|
|
bool_t
|
|
xdr_bytes(XDR *xdrs, char **cpp, u_int *sizep, u_int maxsize)
|
|
{
|
|
char *sp = *cpp; /* sp is the actual string pointer */
|
|
u_int nodesize;
|
|
bool_t ret, allocated = FALSE;
|
|
|
|
/*
|
|
* first deal with the length since xdr bytes are counted
|
|
*/
|
|
if (! xdr_u_int(xdrs, sizep)) {
|
|
return (FALSE);
|
|
}
|
|
nodesize = *sizep;
|
|
if ((nodesize > maxsize) && (xdrs->x_op != XDR_FREE)) {
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* now deal with the actual bytes
|
|
*/
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_DECODE:
|
|
if (nodesize == 0) {
|
|
return (TRUE);
|
|
}
|
|
if (sp == NULL) {
|
|
*cpp = sp = mem_alloc(nodesize);
|
|
allocated = TRUE;
|
|
}
|
|
if (sp == NULL) {
|
|
warnx("xdr_bytes: out of memory");
|
|
return (FALSE);
|
|
}
|
|
/* FALLTHROUGH */
|
|
|
|
case XDR_ENCODE:
|
|
ret = xdr_opaque(xdrs, sp, nodesize);
|
|
if ((xdrs->x_op == XDR_DECODE) && (ret == FALSE)) {
|
|
if (allocated == TRUE) {
|
|
free(sp);
|
|
*cpp = NULL;
|
|
}
|
|
}
|
|
return (ret);
|
|
|
|
case XDR_FREE:
|
|
if (sp != NULL) {
|
|
mem_free(sp, nodesize);
|
|
*cpp = NULL;
|
|
}
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* Implemented here due to commonality of the object.
|
|
*/
|
|
bool_t
|
|
xdr_netobj(XDR *xdrs, struct netobj *np)
|
|
{
|
|
|
|
return (xdr_bytes(xdrs, &np->n_bytes, &np->n_len, MAX_NETOBJ_SZ));
|
|
}
|
|
|
|
/*
|
|
* XDR a discriminated union
|
|
* Support routine for discriminated unions.
|
|
* You create an array of xdrdiscrim structures, terminated with
|
|
* an entry with a null procedure pointer. The routine gets
|
|
* the discriminant value and then searches the array of xdrdiscrims
|
|
* looking for that value. It calls the procedure given in the xdrdiscrim
|
|
* to handle the discriminant. If there is no specific routine a default
|
|
* routine may be called.
|
|
* If there is no specific or default routine an error is returned.
|
|
*/
|
|
bool_t
|
|
xdr_union(XDR *xdrs, enum_t *dscmp, char *unp, const struct xdr_discrim *choices, xdrproc_t dfault)
|
|
/*
|
|
* XDR *xdrs;
|
|
* enum_t *dscmp; // enum to decide which arm to work on
|
|
* char *unp; // the union itself
|
|
* const struct xdr_discrim *choices; // [value, xdr proc] for each arm
|
|
* xdrproc_t dfault; // default xdr routine
|
|
*/
|
|
{
|
|
enum_t dscm;
|
|
|
|
/*
|
|
* we deal with the discriminator; it's an enum
|
|
*/
|
|
if (! xdr_enum(xdrs, dscmp)) {
|
|
return (FALSE);
|
|
}
|
|
dscm = *dscmp;
|
|
|
|
/*
|
|
* search choices for a value that matches the discriminator.
|
|
* if we find one, execute the xdr routine for that value.
|
|
*/
|
|
for (; choices->proc != NULL_xdrproc_t; choices++) {
|
|
if (choices->value == dscm)
|
|
return ((*(choices->proc))(xdrs, unp));
|
|
}
|
|
|
|
/*
|
|
* no match - execute the default xdr routine if there is one
|
|
*/
|
|
return ((dfault == NULL_xdrproc_t) ? FALSE :
|
|
(*dfault)(xdrs, unp));
|
|
}
|
|
|
|
|
|
/*
|
|
* Non-portable xdr primitives.
|
|
* Care should be taken when moving these routines to new architectures.
|
|
*/
|
|
|
|
|
|
/*
|
|
* XDR null terminated ASCII strings
|
|
* xdr_string deals with "C strings" - arrays of bytes that are
|
|
* terminated by a NULL character. The parameter cpp references a
|
|
* pointer to storage; If the pointer is null, then the necessary
|
|
* storage is allocated. The last parameter is the max allowed length
|
|
* of the string as specified by a protocol.
|
|
*/
|
|
bool_t
|
|
xdr_string(XDR *xdrs, char **cpp, u_int maxsize)
|
|
{
|
|
char *sp = *cpp; /* sp is the actual string pointer */
|
|
u_int size;
|
|
u_int nodesize;
|
|
bool_t ret, allocated = FALSE;
|
|
|
|
/*
|
|
* first deal with the length since xdr strings are counted-strings
|
|
*/
|
|
switch (xdrs->x_op) {
|
|
case XDR_FREE:
|
|
if (sp == NULL) {
|
|
return(TRUE); /* already free */
|
|
}
|
|
/* FALLTHROUGH */
|
|
case XDR_ENCODE:
|
|
size = strlen(sp);
|
|
break;
|
|
case XDR_DECODE:
|
|
break;
|
|
}
|
|
if (! xdr_u_int(xdrs, &size)) {
|
|
return (FALSE);
|
|
}
|
|
if (size > maxsize) {
|
|
return (FALSE);
|
|
}
|
|
nodesize = size + 1;
|
|
|
|
/*
|
|
* now deal with the actual bytes
|
|
*/
|
|
switch (xdrs->x_op) {
|
|
|
|
case XDR_DECODE:
|
|
if (nodesize == 0) {
|
|
return (TRUE);
|
|
}
|
|
if (sp == NULL) {
|
|
*cpp = sp = mem_alloc(nodesize);
|
|
allocated = TRUE;
|
|
}
|
|
if (sp == NULL) {
|
|
warnx("xdr_string: out of memory");
|
|
return (FALSE);
|
|
}
|
|
sp[size] = 0;
|
|
/* FALLTHROUGH */
|
|
|
|
case XDR_ENCODE:
|
|
ret = xdr_opaque(xdrs, sp, size);
|
|
if ((xdrs->x_op == XDR_DECODE) && (ret == FALSE)) {
|
|
if (allocated == TRUE) {
|
|
free(sp);
|
|
*cpp = NULL;
|
|
}
|
|
}
|
|
return (ret);
|
|
|
|
case XDR_FREE:
|
|
mem_free(sp, nodesize);
|
|
*cpp = NULL;
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* Wrapper for xdr_string that can be called directly from
|
|
* routines like clnt_call
|
|
*/
|
|
bool_t
|
|
xdr_wrapstring(XDR *xdrs, char **cpp)
|
|
{
|
|
return xdr_string(xdrs, cpp, RPC_MAXDATASIZE);
|
|
}
|
|
|
|
/*
|
|
* NOTE: xdr_hyper(), xdr_u_hyper(), xdr_longlong_t(), and xdr_u_longlong_t()
|
|
* are in the "non-portable" section because they require that a `long long'
|
|
* be a 64-bit type.
|
|
*
|
|
* --thorpej@netbsd.org, November 30, 1999
|
|
*/
|
|
|
|
/*
|
|
* XDR 64-bit integers
|
|
*/
|
|
bool_t
|
|
xdr_int64_t(XDR *xdrs, int64_t *llp)
|
|
{
|
|
u_long ul[2];
|
|
|
|
switch (xdrs->x_op) {
|
|
case XDR_ENCODE:
|
|
ul[0] = (u_long)((u_int64_t)*llp >> 32) & 0xffffffff;
|
|
ul[1] = (u_long)((u_int64_t)*llp) & 0xffffffff;
|
|
if (XDR_PUTLONG(xdrs, (long *)&ul[0]) == FALSE)
|
|
return (FALSE);
|
|
return (XDR_PUTLONG(xdrs, (long *)&ul[1]));
|
|
case XDR_DECODE:
|
|
if (XDR_GETLONG(xdrs, (long *)&ul[0]) == FALSE)
|
|
return (FALSE);
|
|
if (XDR_GETLONG(xdrs, (long *)&ul[1]) == FALSE)
|
|
return (FALSE);
|
|
*llp = (int64_t)
|
|
(((u_int64_t)ul[0] << 32) | ((u_int64_t)ul[1]));
|
|
return (TRUE);
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
|
|
/*
|
|
* XDR unsigned 64-bit integers
|
|
*/
|
|
bool_t
|
|
xdr_u_int64_t(XDR *xdrs, u_int64_t *ullp)
|
|
{
|
|
u_long ul[2];
|
|
|
|
switch (xdrs->x_op) {
|
|
case XDR_ENCODE:
|
|
ul[0] = (u_long)(*ullp >> 32) & 0xffffffff;
|
|
ul[1] = (u_long)(*ullp) & 0xffffffff;
|
|
if (XDR_PUTLONG(xdrs, (long *)&ul[0]) == FALSE)
|
|
return (FALSE);
|
|
return (XDR_PUTLONG(xdrs, (long *)&ul[1]));
|
|
case XDR_DECODE:
|
|
if (XDR_GETLONG(xdrs, (long *)&ul[0]) == FALSE)
|
|
return (FALSE);
|
|
if (XDR_GETLONG(xdrs, (long *)&ul[1]) == FALSE)
|
|
return (FALSE);
|
|
*ullp = (u_int64_t)
|
|
(((u_int64_t)ul[0] << 32) | ((u_int64_t)ul[1]));
|
|
return (TRUE);
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
/*
|
|
* XDR unsigned 64-bit integers
|
|
*/
|
|
bool_t
|
|
xdr_uint64_t(XDR *xdrs, uint64_t *ullp)
|
|
{
|
|
u_long ul[2];
|
|
|
|
switch (xdrs->x_op) {
|
|
case XDR_ENCODE:
|
|
ul[0] = (u_long)(*ullp >> 32) & 0xffffffff;
|
|
ul[1] = (u_long)(*ullp) & 0xffffffff;
|
|
if (XDR_PUTLONG(xdrs, (long *)&ul[0]) == FALSE)
|
|
return (FALSE);
|
|
return (XDR_PUTLONG(xdrs, (long *)&ul[1]));
|
|
case XDR_DECODE:
|
|
if (XDR_GETLONG(xdrs, (long *)&ul[0]) == FALSE)
|
|
return (FALSE);
|
|
if (XDR_GETLONG(xdrs, (long *)&ul[1]) == FALSE)
|
|
return (FALSE);
|
|
*ullp = (u_int64_t)
|
|
(((u_int64_t)ul[0] << 32) | ((u_int64_t)ul[1]));
|
|
return (TRUE);
|
|
case XDR_FREE:
|
|
return (TRUE);
|
|
}
|
|
/* NOTREACHED */
|
|
return (FALSE);
|
|
}
|
|
|
|
|
|
/*
|
|
* XDR hypers
|
|
*/
|
|
bool_t
|
|
xdr_hyper(XDR *xdrs, longlong_t *llp)
|
|
{
|
|
|
|
/*
|
|
* Don't bother open-coding this; it's a fair amount of code. Just
|
|
* call xdr_int64_t().
|
|
*/
|
|
return (xdr_int64_t(xdrs, (int64_t *)llp));
|
|
}
|
|
|
|
|
|
/*
|
|
* XDR unsigned hypers
|
|
*/
|
|
bool_t
|
|
xdr_u_hyper(XDR *xdrs, u_longlong_t *ullp)
|
|
{
|
|
|
|
/*
|
|
* Don't bother open-coding this; it's a fair amount of code. Just
|
|
* call xdr_u_int64_t().
|
|
*/
|
|
return (xdr_u_int64_t(xdrs, (u_int64_t *)ullp));
|
|
}
|
|
|
|
|
|
/*
|
|
* XDR longlong_t's
|
|
*/
|
|
bool_t
|
|
xdr_longlong_t(XDR *xdrs, longlong_t *llp)
|
|
{
|
|
|
|
/*
|
|
* Don't bother open-coding this; it's a fair amount of code. Just
|
|
* call xdr_int64_t().
|
|
*/
|
|
return (xdr_int64_t(xdrs, (int64_t *)llp));
|
|
}
|
|
|
|
|
|
/*
|
|
* XDR u_longlong_t's
|
|
*/
|
|
bool_t
|
|
xdr_u_longlong_t(XDR *xdrs, u_longlong_t *ullp)
|
|
{
|
|
|
|
/*
|
|
* Don't bother open-coding this; it's a fair amount of code. Just
|
|
* call xdr_u_int64_t().
|
|
*/
|
|
return (xdr_u_int64_t(xdrs, (u_int64_t *)ullp));
|
|
}
|