#if defined(LIBC_SCCS) && !defined(lint)
static char *sccsid = "@(#)xdr.c 1.35 87/08/12";
static char *sccsid = "@(#)xdr.c 2.1 88/07/29 4.0 RPCSRC";
#endif
#include <sys/cdefs.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rpc/types.h>
#include <rpc/xdr.h>
#ifdef __LP64__
#define xdrlong_t int
#else
#define xdrlong_t long
#endif
typedef quad_t longlong_t;
typedef u_quad_t u_longlong_t;
#ifdef __LP64__
#define XDR_FALSE ((int) 0)
#define XDR_TRUE ((int) 1)
#else
#define XDR_FALSE ((long) 0)
#define XDR_TRUE ((long) 1)
#endif
#define LASTUNSIGNED ((u_int) 0-1)
static const char xdr_zero[BYTES_PER_XDR_UNIT] = { 0, 0, 0, 0 };
void
xdr_free(proc, objp)
xdrproc_t proc;
void *objp;
{
XDR x;
x.x_op = XDR_FREE;
(*proc)(&x, objp);
}
bool_t
xdr_void(void)
{
return (TRUE);
}
bool_t
xdr_int(xdrs, ip)
XDR *xdrs;
int *ip;
{
xdrlong_t l;
switch (xdrs->x_op) {
case XDR_ENCODE:
l = *ip;
return (XDR_PUTLONG(xdrs, (const xdrlong_t *)&l));
case XDR_DECODE:
if (!XDR_GETLONG(xdrs, &l)) {
return (FALSE);
}
*ip = l;
return (TRUE);
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_u_int(xdrs, up)
XDR *xdrs;
u_int *up;
{
xdrlong_t l;
switch (xdrs->x_op) {
case XDR_ENCODE:
l = *up;
return (XDR_PUTLONG(xdrs, (const xdrlong_t *)&l));
case XDR_DECODE:
if (!XDR_GETLONG(xdrs, &l)) {
return (FALSE);
}
*up = l;
return (TRUE);
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_long(xdrs, lp)
XDR *xdrs;
#ifdef __LP64__
int *lp;
#else
long *lp;
#endif
{
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);
}
return (FALSE);
}
bool_t
xdr_u_long(xdrs, ulp)
XDR *xdrs;
#ifdef __LP64__
unsigned int *ulp;
#else
u_long *ulp;
#endif
{
switch (xdrs->x_op) {
case XDR_ENCODE:
return (XDR_PUTLONG(xdrs, (const xdrlong_t *)ulp));
case XDR_DECODE:
return (XDR_GETLONG(xdrs, (xdrlong_t *)ulp));
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_int32_t(xdrs, int32_p)
XDR *xdrs;
int32_t *int32_p;
{
xdrlong_t l;
switch (xdrs->x_op) {
case XDR_ENCODE:
l = *int32_p;
return (XDR_PUTLONG(xdrs, (const xdrlong_t *)&l));
case XDR_DECODE:
if (!XDR_GETLONG(xdrs, &l)) {
return (FALSE);
}
*int32_p = l;
return (TRUE);
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_u_int32_t(xdrs, u_int32_p)
XDR *xdrs;
u_int32_t *u_int32_p;
{
u_int32_t l;
switch (xdrs->x_op) {
case XDR_ENCODE:
l = *u_int32_p;
return (XDR_PUTLONG(xdrs, (xdrlong_t *)&l));
case XDR_DECODE:
if (!XDR_GETLONG(xdrs, (xdrlong_t *)&l)) return (FALSE);
*u_int32_p = l;
return (TRUE);
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_short(xdrs, sp)
XDR *xdrs;
short *sp;
{
xdrlong_t l;
switch (xdrs->x_op) {
case XDR_ENCODE:
l = *sp;
return (XDR_PUTLONG(xdrs, (const xdrlong_t *)&l));
case XDR_DECODE:
if (!XDR_GETLONG(xdrs, &l)) {
return (FALSE);
}
*sp = l;
return (TRUE);
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_u_short(xdrs, usp)
XDR *xdrs;
u_short *usp;
{
xdrlong_t l;
switch (xdrs->x_op) {
case XDR_ENCODE:
l = *usp;
return (XDR_PUTLONG(xdrs, (const xdrlong_t *)&l));
case XDR_DECODE:
if (!XDR_GETLONG(xdrs, &l)) {
return (FALSE);
}
*usp = l;
return (TRUE);
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_int16_t(xdrs, int16_p)
XDR *xdrs;
int16_t *int16_p;
{
xdrlong_t l;
switch (xdrs->x_op) {
case XDR_ENCODE:
l = *int16_p;
return (XDR_PUTLONG(xdrs, (const xdrlong_t *)&l));
case XDR_DECODE:
if (!XDR_GETLONG(xdrs, &l)) {
return (FALSE);
}
*int16_p = l;
return (TRUE);
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_u_int16_t(xdrs, u_int16_p)
XDR *xdrs;
u_int16_t *u_int16_p;
{
xdrlong_t l;
switch (xdrs->x_op) {
case XDR_ENCODE:
l = *u_int16_p;
return (XDR_PUTLONG(xdrs, (const xdrlong_t *)&l));
case XDR_DECODE:
if (!XDR_GETLONG(xdrs, &l)) {
return (FALSE);
}
*u_int16_p = l;
return (TRUE);
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_char(xdrs, cp)
XDR *xdrs;
char *cp;
{
int i;
i = (*cp);
if (!xdr_int(xdrs, &i)) {
return (FALSE);
}
*cp = i;
return (TRUE);
}
bool_t
xdr_u_char(xdrs, cp)
XDR *xdrs;
u_char *cp;
{
u_int32_t u;
u = (*cp);
if (!xdr_u_int(xdrs, &u)) {
return (FALSE);
}
*cp = u;
return (TRUE);
}
bool_t
xdr_bool(xdrs, bp)
XDR *xdrs;
bool_t *bp;
{
xdrlong_t lb;
switch (xdrs->x_op) {
case XDR_ENCODE:
lb = *bp ? XDR_TRUE : XDR_FALSE;
return (XDR_PUTLONG(xdrs, (const xdrlong_t *)&lb));
case XDR_DECODE:
if (!XDR_GETLONG(xdrs, &lb)) {
return (FALSE);
}
*bp = (lb == XDR_FALSE) ? FALSE : TRUE;
return (TRUE);
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_enum(xdrs, ep)
XDR *xdrs;
enum_t *ep;
{
enum sizecheck { SIZEVAL };
if (sizeof (enum sizecheck) == sizeof (int)) {
return (xdr_long(xdrs, (xdrlong_t *)(void *)ep));
} else if (sizeof (enum sizecheck) == sizeof (int)) {
return (xdr_int(xdrs, (int *)(void *)ep));
} else if (sizeof (enum sizecheck) == sizeof (short)) {
return (xdr_short(xdrs, (short *)(void *)ep));
} else {
return (FALSE);
}
}
bool_t
xdr_opaque(xdrs, cp, cnt)
XDR *xdrs;
caddr_t cp;
u_int cnt;
{
u_int32_t rndup;
u_int8_t crud[BYTES_PER_XDR_UNIT];
if (cnt == 0)
return (TRUE);
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);
}
bool_t
xdr_bytes(xdrs, cpp, sizep, maxsize)
XDR *xdrs;
char **cpp;
u_int *sizep;
u_int maxsize;
{
char *sp = *cpp;
u_int32_t nodesize;
if (! xdr_u_int(xdrs, sizep)) {
return (FALSE);
}
nodesize = *sizep;
if ((nodesize > maxsize) && (xdrs->x_op != XDR_FREE)) {
return (FALSE);
}
switch (xdrs->x_op) {
case XDR_DECODE:
if (nodesize == 0) {
return (TRUE);
}
if (sp == NULL) {
*cpp = sp = mem_alloc(nodesize);
}
if (sp == NULL) {
warnx("xdr_bytes: out of memory");
return (FALSE);
}
case XDR_ENCODE:
return (xdr_opaque(xdrs, sp, nodesize));
case XDR_FREE:
if (sp != NULL) {
mem_free(sp, nodesize);
*cpp = NULL;
}
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_netobj(xdrs, np)
XDR *xdrs;
struct netobj *np;
{
return (xdr_bytes(xdrs, &np->n_bytes, &np->n_len, MAX_NETOBJ_SZ));
}
bool_t
xdr_union(xdrs, dscmp, unp, choices, dfault)
XDR *xdrs;
enum_t *dscmp;
char *unp;
const struct xdr_discrim *choices;
xdrproc_t dfault;
{
enum_t dscm;
if (! xdr_enum(xdrs, dscmp)) {
return (FALSE);
}
dscm = *dscmp;
for (; choices->proc != NULL_xdrproc_t; choices++) {
if (choices->value == dscm)
return ((*(choices->proc))(xdrs, unp));
}
return ((dfault == NULL_xdrproc_t) ? FALSE :
(*dfault)(xdrs, unp));
}
bool_t
xdr_string(xdrs, cpp, maxsize)
XDR *xdrs;
char **cpp;
u_int maxsize;
{
char *sp = *cpp;
u_int32_t size;
u_int32_t nodesize;
switch (xdrs->x_op) {
case XDR_FREE:
if (sp == NULL) {
return(TRUE);
}
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;
switch (xdrs->x_op) {
case XDR_DECODE:
if (nodesize == 0) {
return (TRUE);
}
if (sp == NULL)
*cpp = sp = mem_alloc(nodesize);
if (sp == NULL) {
warnx("xdr_string: out of memory");
return (FALSE);
}
sp[size] = 0;
case XDR_ENCODE:
return (xdr_opaque(xdrs, sp, size));
case XDR_FREE:
mem_free(sp, nodesize);
*cpp = NULL;
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_wrapstring(xdrs, cpp)
XDR *xdrs;
char **cpp;
{
return xdr_string(xdrs, cpp, LASTUNSIGNED);
}
bool_t
xdr_int64_t(xdrs, llp)
XDR *xdrs;
int64_t *llp;
{
u_int32_t ul[2];
switch (xdrs->x_op) {
case XDR_ENCODE:
ul[0] = (u_int32_t)((u_int64_t)*llp >> 32) & 0xffffffff;
ul[1] = (u_int32_t)((u_int64_t)*llp) & 0xffffffff;
if (XDR_PUTLONG(xdrs, (xdrlong_t *)&ul[0]) == FALSE)
return (FALSE);
return (XDR_PUTLONG(xdrs, (xdrlong_t *)&ul[1]));
case XDR_DECODE:
if (XDR_GETLONG(xdrs, (xdrlong_t *)&ul[0]) == FALSE)
return (FALSE);
if (XDR_GETLONG(xdrs, (xdrlong_t *)&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);
}
return (FALSE);
}
bool_t
xdr_u_int64_t(xdrs, ullp)
XDR *xdrs;
u_int64_t *ullp;
{
u_int32_t ul[2];
switch (xdrs->x_op) {
case XDR_ENCODE:
ul[0] = (u_int32_t)(*ullp >> 32) & 0xffffffff;
ul[1] = (u_int32_t)(*ullp) & 0xffffffff;
if (XDR_PUTLONG(xdrs, (xdrlong_t *)&ul[0]) == FALSE)
return (FALSE);
return (XDR_PUTLONG(xdrs, (xdrlong_t *)&ul[1]));
case XDR_DECODE:
if (XDR_GETLONG(xdrs, (xdrlong_t *)&ul[0]) == FALSE)
return (FALSE);
if (XDR_GETLONG(xdrs, (xdrlong_t *)&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);
}
return (FALSE);
}
bool_t
xdr_hyper(xdrs, llp)
XDR *xdrs;
longlong_t *llp;
{
return (xdr_int64_t(xdrs, (int64_t *)llp));
}
bool_t
xdr_u_hyper(xdrs, ullp)
XDR *xdrs;
u_longlong_t *ullp;
{
return (xdr_u_int64_t(xdrs, (u_int64_t *)ullp));
}
bool_t
xdr_longlong_t(xdrs, llp)
XDR *xdrs;
longlong_t *llp;
{
return (xdr_int64_t(xdrs, (int64_t *)llp));
}
bool_t
xdr_u_longlong_t(xdrs, ullp)
XDR *xdrs;
u_longlong_t *ullp;
{
return (xdr_u_int64_t(xdrs, (u_int64_t *)ullp));
}