2 * Copyright (c) 2009, Sun Microsystems, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * - Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * - Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
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13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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28 * @(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro
29 * @(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC
30 * $NetBSD: rpc_callmsg.c,v 1.16 2000/07/14 08:40:42 fvdl Exp $
31 * $FreeBSD: src/lib/libc/rpc/rpc_callmsg.c,v 1.13 2007/11/20 01:51:20 jb Exp $
37 * Copyright (C) 1984, Sun Microsystems, Inc.
41 #include "namespace.h"
47 #include "un-namespace.h"
53 xdr_callmsg(XDR *xdrs, struct rpc_msg *cmsg)
55 enum msg_type *prm_direction;
57 struct opaque_auth *oa;
62 if (xdrs->x_op == XDR_ENCODE) {
63 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) {
66 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) {
69 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT
70 + RNDUP(cmsg->rm_call.cb_cred.oa_length)
71 + 2 * BYTES_PER_XDR_UNIT
72 + RNDUP(cmsg->rm_call.cb_verf.oa_length));
74 IXDR_PUT_INT32(buf, cmsg->rm_xid);
75 IXDR_PUT_ENUM(buf, cmsg->rm_direction);
76 if (cmsg->rm_direction != CALL) {
79 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_rpcvers);
80 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
83 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_prog);
84 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_vers);
85 IXDR_PUT_INT32(buf, cmsg->rm_call.cb_proc);
86 oa = &cmsg->rm_call.cb_cred;
87 IXDR_PUT_ENUM(buf, oa->oa_flavor);
88 IXDR_PUT_INT32(buf, oa->oa_length);
90 memmove(buf, oa->oa_base, oa->oa_length);
91 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
93 oa = &cmsg->rm_call.cb_verf;
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);
99 buf += RNDUP(oa->oa_length) / sizeof (int32_t);
105 if (xdrs->x_op == XDR_DECODE) {
106 buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT);
108 cmsg->rm_xid = IXDR_GET_U_INT32(buf);
109 cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type);
110 if (cmsg->rm_direction != CALL) {
113 cmsg->rm_call.cb_rpcvers = IXDR_GET_U_INT32(buf);
114 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
117 cmsg->rm_call.cb_prog = IXDR_GET_U_INT32(buf);
118 cmsg->rm_call.cb_vers = IXDR_GET_U_INT32(buf);
119 cmsg->rm_call.cb_proc = IXDR_GET_U_INT32(buf);
120 oa = &cmsg->rm_call.cb_cred;
121 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
122 oa->oa_length = (u_int)IXDR_GET_U_INT32(buf);
124 if (oa->oa_length > MAX_AUTH_BYTES) {
127 if (oa->oa_base == NULL) {
128 oa->oa_base = (caddr_t)
129 mem_alloc(oa->oa_length);
130 if (oa->oa_base == NULL)
133 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
135 if (xdr_opaque(xdrs, oa->oa_base,
136 oa->oa_length) == FALSE) {
140 memmove(oa->oa_base, buf,
143 buf += RNDUP(oa->oa_length) /
148 oa = &cmsg->rm_call.cb_verf;
149 buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT);
151 if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE ||
152 xdr_u_int(xdrs, &oa->oa_length) == FALSE) {
156 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
157 oa->oa_length = (u_int)IXDR_GET_U_INT32(buf);
160 if (oa->oa_length > MAX_AUTH_BYTES) {
163 if (oa->oa_base == NULL) {
164 oa->oa_base = (caddr_t)
165 mem_alloc(oa->oa_length);
166 if (oa->oa_base == NULL)
169 buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length));
171 if (xdr_opaque(xdrs, oa->oa_base,
172 oa->oa_length) == FALSE) {
176 memmove(oa->oa_base, buf,
179 buf += RNDUP(oa->oa_length) /
187 prm_direction = &cmsg->rm_direction;
189 xdr_u_int32_t(xdrs, &(cmsg->rm_xid)) &&
190 xdr_enum(xdrs, (enum_t *) prm_direction) &&
191 (cmsg->rm_direction == CALL) &&
192 xdr_rpcvers(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
193 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
194 xdr_rpcprog(xdrs, &(cmsg->rm_call.cb_prog)) &&
195 xdr_rpcvers(xdrs, &(cmsg->rm_call.cb_vers)) &&
196 xdr_rpcproc(xdrs, &(cmsg->rm_call.cb_proc)) &&
197 xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) )
198 return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf)));