1 /* $NetBSD: rpc_callmsg.c,v 1.16 2000/07/14 08:40:42 fvdl Exp $ */
4 * SPDX-License-Identifier: BSD-3-Clause
6 * Copyright (c) 2009, Sun Microsystems, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 * - Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
16 * - Neither the name of Sun Microsystems, Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
33 #if defined(LIBC_SCCS) && !defined(lint)
34 static char *sccsid2 = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro";
35 static char *sccsid = "@(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC";
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
43 * Copyright (C) 1984, Sun Microsystems, Inc.
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/malloc.h>
57 xdr_callmsg(XDR *xdrs, struct rpc_msg *cmsg)
59 enum msg_type *prm_direction;
61 struct opaque_auth *oa;
63 if (xdrs->x_op == XDR_ENCODE) {
64 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) {
67 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) {
70 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT
71 + RNDUP(cmsg->rm_call.cb_cred.oa_length)
72 + 2 * BYTES_PER_XDR_UNIT
73 + RNDUP(cmsg->rm_call.cb_verf.oa_length));
75 IXDR_PUT_INT32(buf, cmsg->rm_xid);
76 IXDR_PUT_ENUM(buf, cmsg->rm_direction);
77 if (cmsg->rm_direction != CALL) {
80 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_rpcvers);
81 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
84 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_prog);
85 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_vers);
86 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_proc);
87 oa = &cmsg->rm_call.cb_cred;
88 IXDR_PUT_ENUM(buf, oa->oa_flavor);
89 IXDR_PUT_INT32(buf, oa->oa_length);
91 memcpy(buf, oa->oa_base, oa->oa_length);
92 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
94 oa = &cmsg->rm_call.cb_verf;
95 IXDR_PUT_ENUM(buf, oa->oa_flavor);
96 IXDR_PUT_INT32(buf, oa->oa_length);
98 memcpy(buf, oa->oa_base, oa->oa_length);
100 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
106 if (xdrs->x_op == XDR_DECODE) {
107 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT);
109 cmsg->rm_xid = IXDR_GET_UINT32(buf);
110 cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type);
111 if (cmsg->rm_direction != CALL) {
114 cmsg->rm_call.cb_rpcvers = IXDR_GET_UINT32(buf);
115 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
118 cmsg->rm_call.cb_prog = IXDR_GET_UINT32(buf);
119 cmsg->rm_call.cb_vers = IXDR_GET_UINT32(buf);
120 cmsg->rm_call.cb_proc = IXDR_GET_UINT32(buf);
121 oa = &cmsg->rm_call.cb_cred;
122 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
123 oa->oa_length = (u_int)IXDR_GET_UINT32(buf);
125 if (oa->oa_length > MAX_AUTH_BYTES) {
128 if (oa->oa_base == NULL) {
129 oa->oa_base = (caddr_t)
130 mem_alloc(oa->oa_length);
131 if (oa->oa_base == NULL)
134 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
136 if (xdr_opaque(xdrs, oa->oa_base,
137 oa->oa_length) == FALSE) {
141 memcpy(oa->oa_base, buf,
144 buf += RNDUP(oa->oa_length) /
149 oa = &cmsg->rm_call.cb_verf;
150 buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT);
152 if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE ||
153 xdr_u_int(xdrs, &oa->oa_length) == FALSE) {
157 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
158 oa->oa_length = (u_int)IXDR_GET_UINT32(buf);
161 if (oa->oa_length > MAX_AUTH_BYTES) {
164 if (oa->oa_base == NULL) {
165 oa->oa_base = (caddr_t)
166 mem_alloc(oa->oa_length);
167 if (oa->oa_base == NULL)
170 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
172 if (xdr_opaque(xdrs, oa->oa_base,
173 oa->oa_length) == FALSE) {
177 memcpy(oa->oa_base, buf,
180 buf += RNDUP(oa->oa_length) /
188 prm_direction = &cmsg->rm_direction;
190 xdr_uint32_t(xdrs, &(cmsg->rm_xid)) &&
191 xdr_enum(xdrs, (enum_t *) prm_direction) &&
192 (cmsg->rm_direction == CALL) &&
193 xdr_uint32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
194 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
195 xdr_uint32_t(xdrs, &(cmsg->rm_call.cb_prog)) &&
196 xdr_uint32_t(xdrs, &(cmsg->rm_call.cb_vers)) &&
197 xdr_uint32_t(xdrs, &(cmsg->rm_call.cb_proc)) &&
198 xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) )
199 return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf)));