2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part. Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
25 * Sun Microsystems, Inc.
27 * Mountain View, California 94043
29 * @(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro
30 * @(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC
31 * $FreeBSD: src/lib/libc/rpc/rpc_callmsg.c,v 1.9 1999/08/28 00:00:45 peter Exp $
32 * $DragonFly: src/lib/libc/rpc/rpc_callmsg.c,v 1.2 2003/06/17 04:26:45 dillon Exp $
38 * Copyright (C) 1984, Sun Microsystems, Inc.
42 #include <sys/param.h>
51 xdr_callmsg(xdrs, cmsg)
53 register struct rpc_msg *cmsg;
55 register int32_t *buf;
56 register struct opaque_auth *oa;
58 if (xdrs->x_op == XDR_ENCODE) {
59 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) {
62 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) {
65 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT
66 + RNDUP(cmsg->rm_call.cb_cred.oa_length)
67 + 2 * BYTES_PER_XDR_UNIT
68 + RNDUP(cmsg->rm_call.cb_verf.oa_length));
70 IXDR_PUT_LONG(buf, cmsg->rm_xid);
71 IXDR_PUT_ENUM(buf, cmsg->rm_direction);
72 if (cmsg->rm_direction != CALL) {
75 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_rpcvers);
76 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
79 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_prog);
80 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_vers);
81 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_proc);
82 oa = &cmsg->rm_call.cb_cred;
83 IXDR_PUT_ENUM(buf, oa->oa_flavor);
84 IXDR_PUT_LONG(buf, oa->oa_length);
86 memcpy((caddr_t)buf, oa->oa_base, oa->oa_length);
87 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
89 oa = &cmsg->rm_call.cb_verf;
90 IXDR_PUT_ENUM(buf, oa->oa_flavor);
91 IXDR_PUT_LONG(buf, oa->oa_length);
93 memcpy((caddr_t)buf, oa->oa_base, oa->oa_length);
95 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
101 if (xdrs->x_op == XDR_DECODE) {
102 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT);
104 cmsg->rm_xid = IXDR_GET_LONG(buf);
105 cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type);
106 if (cmsg->rm_direction != CALL) {
109 cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG(buf);
110 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
113 cmsg->rm_call.cb_prog = IXDR_GET_LONG(buf);
114 cmsg->rm_call.cb_vers = IXDR_GET_LONG(buf);
115 cmsg->rm_call.cb_proc = IXDR_GET_LONG(buf);
116 oa = &cmsg->rm_call.cb_cred;
117 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
118 oa->oa_length = IXDR_GET_LONG(buf);
120 if (oa->oa_length > MAX_AUTH_BYTES) {
123 if (oa->oa_base == NULL) {
124 oa->oa_base = (caddr_t)
125 mem_alloc(oa->oa_length);
127 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
129 if (xdr_opaque(xdrs, oa->oa_base,
130 oa->oa_length) == FALSE) {
134 memcpy(oa->oa_base, (caddr_t)buf,
137 buf += RNDUP(oa->oa_length) /
142 oa = &cmsg->rm_call.cb_verf;
143 buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT);
145 if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE ||
146 xdr_u_int(xdrs, &oa->oa_length) == FALSE) {
150 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
151 oa->oa_length = IXDR_GET_LONG(buf);
154 if (oa->oa_length > MAX_AUTH_BYTES) {
157 if (oa->oa_base == NULL) {
158 oa->oa_base = (caddr_t)
159 mem_alloc(oa->oa_length);
161 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
163 if (xdr_opaque(xdrs, oa->oa_base,
164 oa->oa_length) == FALSE) {
168 memcpy(oa->oa_base, (caddr_t)buf,
171 buf += RNDUP(oa->oa_length) /
180 xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) &&
181 xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) &&
182 (cmsg->rm_direction == CALL) &&
183 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
184 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
185 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) &&
186 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)) &&
187 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_proc)) &&
188 xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) )
189 return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf)));