freebsd-dev/lib/libc/rpc/rpcb_st_xdr.c
Xin LI 6448ec89e7 * limit size of buffers to RPC_MAXDATASIZE
* don't leak memory
 * be more picky about bad parameters

From:

https://raw.githubusercontent.com/guidovranken/rpcbomb/master/libtirpc_patch.txt
https://github.com/guidovranken/rpcbomb/blob/master/rpcbind_patch.txt

via NetBSD.

Reviewed by:	emaste, cem (earlier version)
Differential Revision:	https://reviews.freebsd.org/D10922
MFC after:	3 days
2017-06-01 06:12:25 +00:00

262 lines
6.6 KiB
C

/* $NetBSD: rpcb_st_xdr.c,v 1.3 2000/07/14 08:40:42 fvdl Exp $ */
/*-
* Copyright (c) 2009, Sun Microsystems, Inc.
* All rights reserved.
*
* 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 Sun Microsystems, 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.
*/
/*
* Copyright 1991 Sun Microsystems, Inc.
* rpcb_stat_xdr.c
*/
/*
* This file was generated from rpcb_prot.x, but includes only those
* routines used with the rpcbind stats facility.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "namespace.h"
#include <rpc/rpc.h>
#include <rpc/rpc_com.h>
#include "un-namespace.h"
/* Link list of all the stats about getport and getaddr */
bool_t
xdr_rpcbs_addrlist(XDR *xdrs, rpcbs_addrlist *objp)
{
struct rpcbs_addrlist **pnext;
if (!xdr_rpcprog(xdrs, &objp->prog)) {
return (FALSE);
}
if (!xdr_rpcvers(xdrs, &objp->vers)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->success)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->failure)) {
return (FALSE);
}
if (!xdr_string(xdrs, &objp->netid, RPC_MAXDATASIZE)) {
return (FALSE);
}
pnext = &objp->next;
if (!xdr_pointer(xdrs, (char **) pnext,
sizeof (rpcbs_addrlist),
(xdrproc_t)xdr_rpcbs_addrlist)) {
return (FALSE);
}
return (TRUE);
}
/* Link list of all the stats about rmtcall */
bool_t
xdr_rpcbs_rmtcalllist(XDR *xdrs, rpcbs_rmtcalllist *objp)
{
int32_t *buf;
struct rpcbs_rmtcalllist **pnext;
if (xdrs->x_op == XDR_ENCODE) {
buf = XDR_INLINE(xdrs, 6 * BYTES_PER_XDR_UNIT);
if (buf == NULL) {
if (!xdr_rpcprog(xdrs, &objp->prog)) {
return (FALSE);
}
if (!xdr_rpcvers(xdrs, &objp->vers)) {
return (FALSE);
}
if (!xdr_rpcproc(xdrs, &objp->proc)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->success)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->failure)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->indirect)) {
return (FALSE);
}
} else {
IXDR_PUT_U_INT32(buf, objp->prog);
IXDR_PUT_U_INT32(buf, objp->vers);
IXDR_PUT_U_INT32(buf, objp->proc);
IXDR_PUT_INT32(buf, objp->success);
IXDR_PUT_INT32(buf, objp->failure);
IXDR_PUT_INT32(buf, objp->indirect);
}
if (!xdr_string(xdrs, &objp->netid, RPC_MAXDATASIZE)) {
return (FALSE);
}
pnext = &objp->next;
if (!xdr_pointer(xdrs, (char **) pnext,
sizeof (rpcbs_rmtcalllist),
(xdrproc_t)xdr_rpcbs_rmtcalllist)) {
return (FALSE);
}
return (TRUE);
} else if (xdrs->x_op == XDR_DECODE) {
buf = XDR_INLINE(xdrs, 6 * BYTES_PER_XDR_UNIT);
if (buf == NULL) {
if (!xdr_rpcprog(xdrs, &objp->prog)) {
return (FALSE);
}
if (!xdr_rpcvers(xdrs, &objp->vers)) {
return (FALSE);
}
if (!xdr_rpcproc(xdrs, &objp->proc)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->success)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->failure)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->indirect)) {
return (FALSE);
}
} else {
objp->prog = (rpcprog_t)IXDR_GET_U_INT32(buf);
objp->vers = (rpcvers_t)IXDR_GET_U_INT32(buf);
objp->proc = (rpcproc_t)IXDR_GET_U_INT32(buf);
objp->success = (int)IXDR_GET_INT32(buf);
objp->failure = (int)IXDR_GET_INT32(buf);
objp->indirect = (int)IXDR_GET_INT32(buf);
}
if (!xdr_string(xdrs, &objp->netid, RPC_MAXDATASIZE)) {
return (FALSE);
}
if (!xdr_pointer(xdrs, (char **) pnext,
sizeof (rpcbs_rmtcalllist),
(xdrproc_t)xdr_rpcbs_rmtcalllist)) {
return (FALSE);
}
return (TRUE);
}
if (!xdr_rpcprog(xdrs, &objp->prog)) {
return (FALSE);
}
if (!xdr_rpcvers(xdrs, &objp->vers)) {
return (FALSE);
}
if (!xdr_rpcproc(xdrs, &objp->proc)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->success)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->failure)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->indirect)) {
return (FALSE);
}
if (!xdr_string(xdrs, &objp->netid, RPC_MAXDATASIZE)) {
return (FALSE);
}
if (!xdr_pointer(xdrs, (char **) pnext,
sizeof (rpcbs_rmtcalllist),
(xdrproc_t)xdr_rpcbs_rmtcalllist)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_rpcbs_proc(XDR *xdrs, rpcbs_proc objp)
{
if (!xdr_vector(xdrs, (char *)(void *)objp, RPCBSTAT_HIGHPROC,
sizeof (int), (xdrproc_t)xdr_int)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_rpcbs_addrlist_ptr(XDR *xdrs, rpcbs_addrlist_ptr *objp)
{
if (!xdr_pointer(xdrs, (char **)objp, sizeof (rpcbs_addrlist),
(xdrproc_t)xdr_rpcbs_addrlist)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_rpcbs_rmtcalllist_ptr(XDR *xdrs, rpcbs_rmtcalllist_ptr *objp)
{
if (!xdr_pointer(xdrs, (char **)objp, sizeof (rpcbs_rmtcalllist),
(xdrproc_t)xdr_rpcbs_rmtcalllist)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_rpcb_stat(XDR *xdrs, rpcb_stat *objp)
{
if (!xdr_rpcbs_proc(xdrs, objp->info)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->setinfo)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->unsetinfo)) {
return (FALSE);
}
if (!xdr_rpcbs_addrlist_ptr(xdrs, &objp->addrinfo)) {
return (FALSE);
}
if (!xdr_rpcbs_rmtcalllist_ptr(xdrs, &objp->rmtinfo)) {
return (FALSE);
}
return (TRUE);
}
/*
* One rpcb_stat structure is returned for each version of rpcbind
* being monitored.
*/
bool_t
xdr_rpcb_stat_byvers(XDR *xdrs, rpcb_stat_byvers objp)
{
if (!xdr_vector(xdrs, (char *)(void *)objp, RPCBVERS_STAT,
sizeof (rpcb_stat), (xdrproc_t)xdr_rpcb_stat)) {
return (FALSE);
}
return (TRUE);
}