1 /* $NetBSD: rpc_callmsg.c,v 1.16 2000/07/14 08:40:42 fvdl Exp $ */
4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5 * unrestricted use provided that this legend is included on all tape
6 * media and as a part of the software program in whole or part. Users
7 * may copy or modify Sun RPC without charge, but are not authorized
8 * to license or distribute it to anyone else except as part of a product or
9 * program developed by the user.
11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
15 * Sun RPC is provided with no support and without any obligation on the
16 * part of Sun Microsystems, Inc. to assist in its use, correction,
17 * modification or enhancement.
19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21 * OR ANY PART THEREOF.
23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24 * or profits or other special, indirect and consequential damages, even if
25 * Sun has been advised of the possibility of such damages.
27 * Sun Microsystems, Inc.
29 * Mountain View, California 94043
32 #if defined(LIBC_SCCS) && !defined(lint)
33 static char *sccsid2 = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro";
34 static char *sccsid = "@(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC";
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
42 * Copyright (C) 1984, Sun Microsystems, Inc.
46 #include "namespace.h"
52 #include "un-namespace.h"
58 xdr_callmsg(xdrs, cmsg)
62 enum msg_type *prm_direction;
64 struct opaque_auth *oa;
69 if (xdrs->x_op == XDR_ENCODE) {
70 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) {
73 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) {
76 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT
77 + RNDUP(cmsg->rm_call.cb_cred.oa_length)
78 + 2 * BYTES_PER_XDR_UNIT
79 + RNDUP(cmsg->rm_call.cb_verf.oa_length));
81 IXDR_PUT_INT32(buf, cmsg->rm_xid);
82 IXDR_PUT_ENUM(buf, cmsg->rm_direction);
83 if (cmsg->rm_direction != CALL) {
86 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_rpcvers);
87 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
90 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_prog);
91 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_vers);
92 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_proc);
93 oa = &cmsg->rm_call.cb_cred;
94 IXDR_PUT_ENUM(buf, oa->oa_flavor);
95 IXDR_PUT_INT32(buf, oa->oa_length);
97 memmove(buf, oa->oa_base, oa->oa_length);
98 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
100 oa = &cmsg->rm_call.cb_verf;
101 IXDR_PUT_ENUM(buf, oa->oa_flavor);
102 IXDR_PUT_INT32(buf, oa->oa_length);
104 memmove(buf, oa->oa_base, oa->oa_length);
106 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
112 if (xdrs->x_op == XDR_DECODE) {
113 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT);
115 cmsg->rm_xid = IXDR_GET_U_INT32(buf);
116 cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type);
117 if (cmsg->rm_direction != CALL) {
120 cmsg->rm_call.cb_rpcvers = IXDR_GET_U_INT32(buf);
121 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
124 cmsg->rm_call.cb_prog = IXDR_GET_U_INT32(buf);
125 cmsg->rm_call.cb_vers = IXDR_GET_U_INT32(buf);
126 cmsg->rm_call.cb_proc = IXDR_GET_U_INT32(buf);
127 oa = &cmsg->rm_call.cb_cred;
128 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
129 oa->oa_length = (u_int)IXDR_GET_U_INT32(buf);
131 if (oa->oa_length > MAX_AUTH_BYTES) {
134 if (oa->oa_base == NULL) {
135 oa->oa_base = (caddr_t)
136 mem_alloc(oa->oa_length);
137 if (oa->oa_base == NULL)
140 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
142 if (xdr_opaque(xdrs, oa->oa_base,
143 oa->oa_length) == FALSE) {
147 memmove(oa->oa_base, buf,
150 buf += RNDUP(oa->oa_length) /
155 oa = &cmsg->rm_call.cb_verf;
156 buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT);
158 if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE ||
159 xdr_u_int(xdrs, &oa->oa_length) == FALSE) {
163 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
164 oa->oa_length = (u_int)IXDR_GET_U_INT32(buf);
167 if (oa->oa_length > MAX_AUTH_BYTES) {
170 if (oa->oa_base == NULL) {
171 oa->oa_base = (caddr_t)
172 mem_alloc(oa->oa_length);
173 if (oa->oa_base == NULL)
176 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
178 if (xdr_opaque(xdrs, oa->oa_base,
179 oa->oa_length) == FALSE) {
183 memmove(oa->oa_base, buf,
186 buf += RNDUP(oa->oa_length) /
194 prm_direction = &cmsg->rm_direction;
196 xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) &&
197 xdr_enum(xdrs, (enum_t *) prm_direction) &&
198 (cmsg->rm_direction == CALL) &&
199 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
200 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
201 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) &&
202 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)) &&
203 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_proc)) &&
204 xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) )
205 return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf)));