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[apple/libinfo.git] / rpc.subproj / rpc_callmsg.c
1 /*
2 * Copyright (c) 1999-2018 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7 * Reserved. This file contains Original Code and/or Modifications of
8 * Original Code as defined in and that are subject to the Apple Public
9 * Source License Version 1.1 (the "License"). You may not use this file
10 * except in compliance with the License. Please obtain a copy of the
11 * License at http://www.apple.com/publicsource and read it before using
12 * this file.
13 *
14 * The Original Code and all software distributed under the License are
15 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
19 * License for the specific language governing rights and limitations
20 * under the License.
21 *
22 * @APPLE_LICENSE_HEADER_END@
23 */
24 /*
25 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
26 * unrestricted use provided that this legend is included on all tape
27 * media and as a part of the software program in whole or part. Users
28 * may copy or modify Sun RPC without charge, but are not authorized
29 * to license or distribute it to anyone else except as part of a product or
30 * program developed by the user.
31 *
32 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
33 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
34 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
35 *
36 * Sun RPC is provided with no support and without any obligation on the
37 * part of Sun Microsystems, Inc. to assist in its use, correction,
38 * modification or enhancement.
39 *
40 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
41 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
42 * OR ANY PART THEREOF.
43 *
44 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
45 * or profits or other special, indirect and consequential damages, even if
46 * Sun has been advised of the possibility of such damages.
47 *
48 * Sun Microsystems, Inc.
49 * 2550 Garcia Avenue
50 * Mountain View, California 94043
51 */
52
53 #if defined(LIBC_SCCS) && !defined(lint)
54 /*static char *sccsid = "from: @(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro";*/
55 /*static char *sccsid = "from: @(#)rpc_callmsg.c 2.1 88/07/29 4.0 RPCSRC";*/
56 static char *rcsid = "$Id: rpc_callmsg.c,v 1.4 2003/06/23 17:24:59 majka Exp $";
57 #endif
58
59 /*
60 * rpc_callmsg.c
61 *
62 * Copyright (C) 1984, Sun Microsystems, Inc.
63 *
64 */
65
66 #include "libinfo_common.h"
67
68 #include <stdlib.h>
69 #include <string.h>
70 #include <sys/param.h>
71
72 #include <rpc/rpc.h>
73
74 extern bool_t xdr_opaque_auth();
75
76 /*
77 * XDR a call message
78 */
79 LIBINFO_EXPORT
80 bool_t
81 xdr_callmsg(xdrs, cmsg)
82 register XDR *xdrs;
83 register struct rpc_msg *cmsg;
84 {
85 #ifdef __LP64__
86 int *buf;
87 #else
88 register long *buf;
89 #endif
90 register struct opaque_auth *oa;
91
92 if (xdrs->x_op == XDR_ENCODE) {
93 if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) {
94 return (FALSE);
95 }
96 if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) {
97 return (FALSE);
98 }
99 #ifdef __LP64__
100 buf = (int *)XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT
101 + RNDUP(cmsg->rm_call.cb_cred.oa_length)
102 + 2 * BYTES_PER_XDR_UNIT
103 + RNDUP(cmsg->rm_call.cb_verf.oa_length));
104 #else
105 buf = (long *)XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT
106 + RNDUP(cmsg->rm_call.cb_cred.oa_length)
107 + 2 * BYTES_PER_XDR_UNIT
108 + RNDUP(cmsg->rm_call.cb_verf.oa_length));
109 #endif
110 if (buf != NULL) {
111 IXDR_PUT_LONG(buf, cmsg->rm_xid);
112 IXDR_PUT_ENUM(buf, cmsg->rm_direction);
113 if (cmsg->rm_direction != CALL) {
114 return (FALSE);
115 }
116 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_rpcvers);
117 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
118 return (FALSE);
119 }
120 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_prog);
121 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_vers);
122 IXDR_PUT_LONG(buf, cmsg->rm_call.cb_proc);
123 oa = &cmsg->rm_call.cb_cred;
124 IXDR_PUT_ENUM(buf, oa->oa_flavor);
125 IXDR_PUT_LONG(buf, oa->oa_length);
126 if (oa->oa_length) {
127 bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length);
128 #ifdef __LP64__
129 buf += RNDUP(oa->oa_length) / sizeof (int);
130 #else
131 buf += RNDUP(oa->oa_length) / sizeof (long);
132 #endif
133 }
134 oa = &cmsg->rm_call.cb_verf;
135 IXDR_PUT_ENUM(buf, oa->oa_flavor);
136 IXDR_PUT_LONG(buf, oa->oa_length);
137 if (oa->oa_length) {
138 bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length);
139 /* no real need....
140 * N.B. Fix this for __LP64__ if it is uncommented *
141 buf += RNDUP(oa->oa_length) / sizeof (long);
142 */
143 }
144 return (TRUE);
145 }
146 }
147 if (xdrs->x_op == XDR_DECODE) {
148 #ifdef __LP64__
149 buf = (int *)XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT);
150 #else
151 buf = (long *)XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT);
152 #endif
153 if (buf != NULL) {
154 cmsg->rm_xid = IXDR_GET_LONG(buf);
155 cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type);
156 if (cmsg->rm_direction != CALL) {
157 return (FALSE);
158 }
159 cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG(buf);
160 if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) {
161 return (FALSE);
162 }
163 cmsg->rm_call.cb_prog = IXDR_GET_LONG(buf);
164 cmsg->rm_call.cb_vers = IXDR_GET_LONG(buf);
165 cmsg->rm_call.cb_proc = IXDR_GET_LONG(buf);
166 oa = &cmsg->rm_call.cb_cred;
167 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
168 oa->oa_length = IXDR_GET_LONG(buf);
169 if (oa->oa_length) {
170 if (oa->oa_length > MAX_AUTH_BYTES) {
171 return (FALSE);
172 }
173 if (oa->oa_base == NULL) {
174 oa->oa_base = (caddr_t)
175 mem_alloc(oa->oa_length);
176 }
177 #ifdef __LP64__
178 buf = (int *)XDR_INLINE(xdrs, RNDUP(oa->oa_length));
179 #else
180 buf = (long *)XDR_INLINE(xdrs, RNDUP(oa->oa_length));
181 #endif
182 if (buf == NULL) {
183 if (xdr_opaque(xdrs, oa->oa_base,
184 oa->oa_length) == FALSE) {
185 return (FALSE);
186 }
187 } else {
188 bcopy((caddr_t)buf, oa->oa_base,
189 oa->oa_length);
190 /* no real need....
191 * N.B. Fix this for __LP64__ if it is uncommented *
192 buf += RNDUP(oa->oa_length) / sizeof (long);
193 */
194 }
195 }
196 oa = &cmsg->rm_call.cb_verf;
197 #ifdef __LP64__
198 buf = (int *)XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT);
199 #else
200 buf = (long *)XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT);
201 #endif
202 if (buf == NULL) {
203 if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE ||
204 xdr_u_int(xdrs, &oa->oa_length) == FALSE) {
205 return (FALSE);
206 }
207 } else {
208 oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t);
209 oa->oa_length = IXDR_GET_LONG(buf);
210 }
211 if (oa->oa_length) {
212 if (oa->oa_length > MAX_AUTH_BYTES) {
213 return (FALSE);
214 }
215 if (oa->oa_base == NULL) {
216 oa->oa_base = (caddr_t)
217 mem_alloc(oa->oa_length);
218 }
219 #ifdef __LP64__
220 buf = (int *)XDR_INLINE(xdrs, RNDUP(oa->oa_length));
221 #else
222 buf = (long *)XDR_INLINE(xdrs, RNDUP(oa->oa_length));
223 #endif
224 if (buf == NULL) {
225 if (xdr_opaque(xdrs, oa->oa_base,
226 oa->oa_length) == FALSE) {
227 return (FALSE);
228 }
229 } else {
230 bcopy((caddr_t)buf, oa->oa_base,
231 oa->oa_length);
232 /* no real need...
233 * N.B. Fix this for __LP64__ if it is uncommented *
234 buf += RNDUP(oa->oa_length) / sizeof (long);
235 */
236 }
237 }
238 return (TRUE);
239 }
240 }
241 if (
242 xdr_u_long(xdrs, &(cmsg->rm_xid)) &&
243 xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) &&
244 (cmsg->rm_direction == CALL) &&
245 xdr_u_long(xdrs, &(cmsg->rm_call.cb_rpcvers)) &&
246 (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) &&
247 xdr_u_long(xdrs, &(cmsg->rm_call.cb_prog)) &&
248 xdr_u_long(xdrs, &(cmsg->rm_call.cb_vers)) &&
249 xdr_u_long(xdrs, &(cmsg->rm_call.cb_proc)) &&
250 xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) )
251 return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf)));
252 return (FALSE);
253 }
254
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