17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
227c478bd9Sstevel@tonic-gate /*
237c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
287c478bd9Sstevel@tonic-gate /* All Rights Reserved */
297c478bd9Sstevel@tonic-gate
307c478bd9Sstevel@tonic-gate /*
317c478bd9Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 4.3 BSD
327c478bd9Sstevel@tonic-gate * under license from the Regents of the University of California.
337c478bd9Sstevel@tonic-gate */
347c478bd9Sstevel@tonic-gate
357c478bd9Sstevel@tonic-gate /*
367c478bd9Sstevel@tonic-gate * rpc_calmsg.c
377c478bd9Sstevel@tonic-gate */
387c478bd9Sstevel@tonic-gate
397c478bd9Sstevel@tonic-gate #include <sys/param.h>
407c478bd9Sstevel@tonic-gate #include <sys/types.h>
417c478bd9Sstevel@tonic-gate #include <sys/t_lock.h>
427c478bd9Sstevel@tonic-gate #include <sys/systm.h>
437c478bd9Sstevel@tonic-gate
447c478bd9Sstevel@tonic-gate #include <rpc/types.h>
457c478bd9Sstevel@tonic-gate #include <rpc/xdr.h>
467c478bd9Sstevel@tonic-gate #include <rpc/auth.h>
477c478bd9Sstevel@tonic-gate #include <rpc/clnt.h>
487c478bd9Sstevel@tonic-gate #include <rpc/rpc_msg.h>
497c478bd9Sstevel@tonic-gate
507c478bd9Sstevel@tonic-gate /*
517c478bd9Sstevel@tonic-gate * XDR a call message
527c478bd9Sstevel@tonic-gate */
537c478bd9Sstevel@tonic-gate bool_t
xdr_callmsg(XDR * xdrs,struct rpc_msg * cmsg)547c478bd9Sstevel@tonic-gate xdr_callmsg(XDR *xdrs, struct rpc_msg *cmsg)
557c478bd9Sstevel@tonic-gate {
56*45681b8bSMarcel Telka rpc_inline_t *buf;
577c478bd9Sstevel@tonic-gate struct opaque_auth *oa;
587c478bd9Sstevel@tonic-gate
597c478bd9Sstevel@tonic-gate if (xdrs->x_op == XDR_ENCODE) {
60*45681b8bSMarcel Telka uint_t credrndup;
61*45681b8bSMarcel Telka uint_t verfrndup;
62*45681b8bSMarcel Telka
637c478bd9Sstevel@tonic-gate if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES)
647c478bd9Sstevel@tonic-gate return (FALSE);
657c478bd9Sstevel@tonic-gate if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES)
667c478bd9Sstevel@tonic-gate return (FALSE);
67*45681b8bSMarcel Telka credrndup = RNDUP(cmsg->rm_call.cb_cred.oa_length);
68*45681b8bSMarcel Telka verfrndup = RNDUP(cmsg->rm_call.cb_verf.oa_length);
697c478bd9Sstevel@tonic-gate buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT +
70*45681b8bSMarcel Telka credrndup + 2 * BYTES_PER_XDR_UNIT + verfrndup);
717c478bd9Sstevel@tonic-gate if (buf != NULL) {
727c478bd9Sstevel@tonic-gate IXDR_PUT_INT32(buf, cmsg->rm_xid);
737c478bd9Sstevel@tonic-gate IXDR_PUT_ENUM(buf, cmsg->rm_direction);
747c478bd9Sstevel@tonic-gate if (cmsg->rm_direction != CALL)
757c478bd9Sstevel@tonic-gate return (FALSE);
767c478bd9Sstevel@tonic-gate IXDR_PUT_INT32(buf, cmsg->rm_call.cb_rpcvers);
777c478bd9Sstevel@tonic-gate if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION)
787c478bd9Sstevel@tonic-gate return (FALSE);
797c478bd9Sstevel@tonic-gate IXDR_PUT_INT32(buf, cmsg->rm_call.cb_prog);
807c478bd9Sstevel@tonic-gate IXDR_PUT_INT32(buf, cmsg->rm_call.cb_vers);
817c478bd9Sstevel@tonic-gate IXDR_PUT_INT32(buf, cmsg->rm_call.cb_proc);
827c478bd9Sstevel@tonic-gate oa = &cmsg->rm_call.cb_cred;
837c478bd9Sstevel@tonic-gate IXDR_PUT_ENUM(buf, oa->oa_flavor);
847c478bd9Sstevel@tonic-gate IXDR_PUT_INT32(buf, oa->oa_length);
857c478bd9Sstevel@tonic-gate if (oa->oa_length) {
867c478bd9Sstevel@tonic-gate bcopy(oa->oa_base, buf, oa->oa_length);
87*45681b8bSMarcel Telka buf += credrndup / BYTES_PER_XDR_UNIT;
88*45681b8bSMarcel Telka if ((credrndup -= oa->oa_length) > 0)
89*45681b8bSMarcel Telka bzero((char *)buf - credrndup,
90*45681b8bSMarcel Telka credrndup);
917c478bd9Sstevel@tonic-gate }
927c478bd9Sstevel@tonic-gate oa = &cmsg->rm_call.cb_verf;
937c478bd9Sstevel@tonic-gate IXDR_PUT_ENUM(buf, oa->oa_flavor);
947c478bd9Sstevel@tonic-gate IXDR_PUT_INT32(buf, oa->oa_length);
95*45681b8bSMarcel Telka if (oa->oa_length) {
967c478bd9Sstevel@tonic-gate bcopy(oa->oa_base, buf, oa->oa_length);
97*45681b8bSMarcel Telka buf += verfrndup / BYTES_PER_XDR_UNIT;
98*45681b8bSMarcel Telka if ((verfrndup -= oa->oa_length) > 0)
99*45681b8bSMarcel Telka bzero((char *)buf - verfrndup,
100*45681b8bSMarcel Telka verfrndup);
101*45681b8bSMarcel Telka }
1027c478bd9Sstevel@tonic-gate return (TRUE);
1037c478bd9Sstevel@tonic-gate }
1047c478bd9Sstevel@tonic-gate }
1057c478bd9Sstevel@tonic-gate if (xdrs->x_op == XDR_DECODE) {
1067c478bd9Sstevel@tonic-gate buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT);
1077c478bd9Sstevel@tonic-gate if (buf != NULL) {
1087c478bd9Sstevel@tonic-gate cmsg->rm_xid = IXDR_GET_INT32(buf);
1097c478bd9Sstevel@tonic-gate cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type);
1107c478bd9Sstevel@tonic-gate if (cmsg->rm_direction != CALL)
1117c478bd9Sstevel@tonic-gate return (FALSE);
1127c478bd9Sstevel@tonic-gate cmsg->rm_call.cb_rpcvers = IXDR_GET_INT32(buf);
1137c478bd9Sstevel@tonic-gate if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION)
1147c478bd9Sstevel@tonic-gate return (FALSE);
1157c478bd9Sstevel@tonic-gate cmsg->rm_call.cb_prog = IXDR_GET_INT32(buf);
1167c478bd9Sstevel@tonic-gate cmsg->rm_call.cb_vers = IXDR_GET_INT32(buf);
1177c478bd9Sstevel@tonic-gate cmsg->rm_call.cb_proc = IXDR_GET_INT32(buf);
1187c478bd9Sstevel@tonic-gate oa = &cmsg->rm_call.cb_cred;
1197c478bd9Sstevel@tonic-gate oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
1207c478bd9Sstevel@tonic-gate oa->oa_length = IXDR_GET_INT32(buf);
1217c478bd9Sstevel@tonic-gate if (oa->oa_length) {
1227c478bd9Sstevel@tonic-gate if (oa->oa_length > MAX_AUTH_BYTES)
1237c478bd9Sstevel@tonic-gate return (FALSE);
1247c478bd9Sstevel@tonic-gate if (oa->oa_base == NULL)
1257c478bd9Sstevel@tonic-gate oa->oa_base = (caddr_t)
1267c478bd9Sstevel@tonic-gate mem_alloc(oa->oa_length);
1277c478bd9Sstevel@tonic-gate buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
1287c478bd9Sstevel@tonic-gate if (buf == NULL) {
1297c478bd9Sstevel@tonic-gate if (xdr_opaque(xdrs, oa->oa_base,
1307c478bd9Sstevel@tonic-gate oa->oa_length) == FALSE)
1317c478bd9Sstevel@tonic-gate return (FALSE);
1327c478bd9Sstevel@tonic-gate } else {
1337c478bd9Sstevel@tonic-gate bcopy(buf, oa->oa_base, oa->oa_length);
1347c478bd9Sstevel@tonic-gate }
1357c478bd9Sstevel@tonic-gate }
1367c478bd9Sstevel@tonic-gate oa = &cmsg->rm_call.cb_verf;
1377c478bd9Sstevel@tonic-gate buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT);
1387c478bd9Sstevel@tonic-gate if (buf == NULL) {
1397c478bd9Sstevel@tonic-gate if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE ||
1407c478bd9Sstevel@tonic-gate xdr_u_int(xdrs, &oa->oa_length) == FALSE)
1417c478bd9Sstevel@tonic-gate return (FALSE);
1427c478bd9Sstevel@tonic-gate } else {
1437c478bd9Sstevel@tonic-gate oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
1447c478bd9Sstevel@tonic-gate oa->oa_length = IXDR_GET_INT32(buf);
1457c478bd9Sstevel@tonic-gate }
1467c478bd9Sstevel@tonic-gate if (oa->oa_length) {
1477c478bd9Sstevel@tonic-gate if (oa->oa_length > MAX_AUTH_BYTES)
1487c478bd9Sstevel@tonic-gate return (FALSE);
1497c478bd9Sstevel@tonic-gate if (oa->oa_base == NULL)
1507c478bd9Sstevel@tonic-gate oa->oa_base = (caddr_t)
1517c478bd9Sstevel@tonic-gate mem_alloc(oa->oa_length);
1527c478bd9Sstevel@tonic-gate buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
1537c478bd9Sstevel@tonic-gate if (buf == NULL) {
1547c478bd9Sstevel@tonic-gate if (xdr_opaque(xdrs, oa->oa_base,
1557c478bd9Sstevel@tonic-gate oa->oa_length) == FALSE)
1567c478bd9Sstevel@tonic-gate return (FALSE);
1577c478bd9Sstevel@tonic-gate } else {
1587c478bd9Sstevel@tonic-gate bcopy(buf, oa->oa_base, oa->oa_length);
1597c478bd9Sstevel@tonic-gate }
1607c478bd9Sstevel@tonic-gate }
1617c478bd9Sstevel@tonic-gate return (TRUE);
1627c478bd9Sstevel@tonic-gate }
1637c478bd9Sstevel@tonic-gate }
1647c478bd9Sstevel@tonic-gate
1657c478bd9Sstevel@tonic-gate if (xdr_u_int(xdrs, &(cmsg->rm_xid)) &&
1667c478bd9Sstevel@tonic-gate xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) &&
1677c478bd9Sstevel@tonic-gate cmsg->rm_direction == CALL &&
1687c478bd9Sstevel@tonic-gate xdr_rpcvers(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
1697c478bd9Sstevel@tonic-gate cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION &&
1707c478bd9Sstevel@tonic-gate xdr_rpcprog(xdrs, &(cmsg->rm_call.cb_prog)) &&
1717c478bd9Sstevel@tonic-gate xdr_rpcvers(xdrs, &(cmsg->rm_call.cb_vers)) &&
1727c478bd9Sstevel@tonic-gate xdr_rpcproc(xdrs, &(cmsg->rm_call.cb_proc)) &&
1737c478bd9Sstevel@tonic-gate xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)))
1747c478bd9Sstevel@tonic-gate return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf)));
1757c478bd9Sstevel@tonic-gate
1767c478bd9Sstevel@tonic-gate return (FALSE);
1777c478bd9Sstevel@tonic-gate }
178