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
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9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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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 * $NetBSD: rpc_callmsg.c,v 1.16 2000/07/14 08:40:42 fvdl Exp $
32 * $FreeBSD: src/lib/libc/rpc/rpc_callmsg.c,v 1.13 2007/11/20 01:51:20 jb Exp $
33 * $DragonFly: src/lib/libc/rpc/rpc_callmsg.c,v 1.4 2005/11/13 12:27:04 swildner Exp $
39 * Copyright (C) 1984, Sun Microsystems, Inc.
43 #include "namespace.h"
49 #include "un-namespace.h"
55 xdr_callmsg(XDR *xdrs, struct rpc_msg *cmsg)
57 enum msg_type *prm_direction;
59 struct opaque_auth *oa;
64 if (xdrs->x_op == XDR_ENCODE) {
65 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) {
68 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) {
71 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT
72 + RNDUP(cmsg->rm_call.cb_cred.oa_length)
73 + 2 * BYTES_PER_XDR_UNIT
74 + RNDUP(cmsg->rm_call.cb_verf.oa_length));
76 IXDR_PUT_INT32(buf, cmsg->rm_xid);
77 IXDR_PUT_ENUM(buf, cmsg->rm_direction);
78 if (cmsg->rm_direction != CALL) {
81 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_rpcvers);
82 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
85 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_prog);
86 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_vers);
87 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_proc);
88 oa = &cmsg->rm_call.cb_cred;
89 IXDR_PUT_ENUM(buf, oa->oa_flavor);
90 IXDR_PUT_INT32(buf, oa->oa_length);
92 memmove(buf, oa->oa_base, oa->oa_length);
93 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
95 oa = &cmsg->rm_call.cb_verf;
96 IXDR_PUT_ENUM(buf, oa->oa_flavor);
97 IXDR_PUT_INT32(buf, oa->oa_length);
99 memmove(buf, oa->oa_base, oa->oa_length);
101 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
107 if (xdrs->x_op == XDR_DECODE) {
108 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT);
110 cmsg->rm_xid = IXDR_GET_U_INT32(buf);
111 cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type);
112 if (cmsg->rm_direction != CALL) {
115 cmsg->rm_call.cb_rpcvers = IXDR_GET_U_INT32(buf);
116 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
119 cmsg->rm_call.cb_prog = IXDR_GET_U_INT32(buf);
120 cmsg->rm_call.cb_vers = IXDR_GET_U_INT32(buf);
121 cmsg->rm_call.cb_proc = IXDR_GET_U_INT32(buf);
122 oa = &cmsg->rm_call.cb_cred;
123 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
124 oa->oa_length = (u_int)IXDR_GET_U_INT32(buf);
126 if (oa->oa_length > MAX_AUTH_BYTES) {
129 if (oa->oa_base == NULL) {
130 oa->oa_base = (caddr_t)
131 mem_alloc(oa->oa_length);
132 if (oa->oa_base == NULL)
135 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
137 if (xdr_opaque(xdrs, oa->oa_base,
138 oa->oa_length) == FALSE) {
142 memmove(oa->oa_base, buf,
145 buf += RNDUP(oa->oa_length) /
150 oa = &cmsg->rm_call.cb_verf;
151 buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT);
153 if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE ||
154 xdr_u_int(xdrs, &oa->oa_length) == FALSE) {
158 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
159 oa->oa_length = (u_int)IXDR_GET_U_INT32(buf);
162 if (oa->oa_length > MAX_AUTH_BYTES) {
165 if (oa->oa_base == NULL) {
166 oa->oa_base = (caddr_t)
167 mem_alloc(oa->oa_length);
168 if (oa->oa_base == NULL)
171 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
173 if (xdr_opaque(xdrs, oa->oa_base,
174 oa->oa_length) == FALSE) {
178 memmove(oa->oa_base, buf,
181 buf += RNDUP(oa->oa_length) /
189 prm_direction = &cmsg->rm_direction;
191 xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) &&
192 xdr_enum(xdrs, (enum_t *) prm_direction) &&
193 (cmsg->rm_direction == CALL) &&
194 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
195 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
196 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_prog)) &&
197 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_vers)) &&
198 xdr_u_int32_t(xdrs, &(cmsg->rm_call.cb_proc)) &&
199 xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) )
200 return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf)));