1 /* $NetBSD: rpc_callmsg.c,v 1.16 2000/07/14 08:40:42 fvdl Exp $ */
4 * Copyright (c) 2009, Sun Microsystems, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * - Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 * - Neither the name of Sun Microsystems, Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
31 #if defined(LIBC_SCCS) && !defined(lint)
32 static char *sccsid2 = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro";
33 static char *sccsid = "@(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC";
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
41 * Copyright (C) 1984, Sun Microsystems, Inc.
45 #include "namespace.h"
51 #include "un-namespace.h"
57 xdr_callmsg(XDR *xdrs, struct rpc_msg *cmsg)
59 enum msg_type *prm_direction;
61 struct opaque_auth *oa;
66 if (xdrs->x_op == XDR_ENCODE) {
67 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) {
70 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) {
73 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT
74 + RNDUP(cmsg->rm_call.cb_cred.oa_length)
75 + 2 * BYTES_PER_XDR_UNIT
76 + RNDUP(cmsg->rm_call.cb_verf.oa_length));
78 IXDR_PUT_INT32(buf, cmsg->rm_xid);
79 IXDR_PUT_ENUM(buf, cmsg->rm_direction);
80 if (cmsg->rm_direction != CALL) {
83 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_rpcvers);
84 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
87 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_prog);
88 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_vers);
89 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_proc);
90 oa = &cmsg->rm_call.cb_cred;
91 IXDR_PUT_ENUM(buf, oa->oa_flavor);
92 IXDR_PUT_INT32(buf, oa->oa_length);
94 memmove(buf, oa->oa_base, oa->oa_length);
95 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
97 oa = &cmsg->rm_call.cb_verf;
98 IXDR_PUT_ENUM(buf, oa->oa_flavor);
99 IXDR_PUT_INT32(buf, oa->oa_length);
101 memmove(buf, oa->oa_base, oa->oa_length);
103 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
109 if (xdrs->x_op == XDR_DECODE) {
110 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT);
112 cmsg->rm_xid = IXDR_GET_U_INT32(buf);
113 cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type);
114 if (cmsg->rm_direction != CALL) {
117 cmsg->rm_call.cb_rpcvers = IXDR_GET_U_INT32(buf);
118 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
121 cmsg->rm_call.cb_prog = IXDR_GET_U_INT32(buf);
122 cmsg->rm_call.cb_vers = IXDR_GET_U_INT32(buf);
123 cmsg->rm_call.cb_proc = IXDR_GET_U_INT32(buf);
124 oa = &cmsg->rm_call.cb_cred;
125 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
126 oa->oa_length = (u_int)IXDR_GET_U_INT32(buf);
128 if (oa->oa_length > MAX_AUTH_BYTES) {
131 if (oa->oa_base == NULL) {
132 oa->oa_base = (caddr_t)
133 mem_alloc(oa->oa_length);
134 if (oa->oa_base == NULL)
137 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
139 if (xdr_opaque(xdrs, oa->oa_base,
140 oa->oa_length) == FALSE) {
144 memmove(oa->oa_base, buf,
147 buf += RNDUP(oa->oa_length) /
152 oa = &cmsg->rm_call.cb_verf;
153 buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT);
155 if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE ||
156 xdr_u_int(xdrs, &oa->oa_length) == FALSE) {
160 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
161 oa->oa_length = (u_int)IXDR_GET_U_INT32(buf);
164 if (oa->oa_length > MAX_AUTH_BYTES) {
167 if (oa->oa_base == NULL) {
168 oa->oa_base = (caddr_t)
169 mem_alloc(oa->oa_length);
170 if (oa->oa_base == NULL)
173 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
175 if (xdr_opaque(xdrs, oa->oa_base,
176 oa->oa_length) == FALSE) {
180 memmove(oa->oa_base, buf,
183 buf += RNDUP(oa->oa_length) /
191 prm_direction = &cmsg->rm_direction;
193 xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) &&
194 xdr_enum(xdrs, (enum_t *) prm_direction) &&
195 (cmsg->rm_direction == CALL) &&
196 xdr_rpcvers(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
197 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
198 xdr_rpcprog(xdrs, &(cmsg->rm_call.cb_prog)) &&
199 xdr_rpcvers(xdrs, &(cmsg->rm_call.cb_vers)) &&
200 xdr_rpcproc(xdrs, &(cmsg->rm_call.cb_proc)) &&
201 xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) )
202 return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf)));