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1 | /* | |
2 | * Copyright (c) 1999 Apple Computer, 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 1.2 1999/10/14 21:56:54 wsanchez Exp $"; | |
57 | #endif | |
58 | ||
59 | /* | |
60 | * rpc_callmsg.c | |
61 | * | |
62 | * Copyright (C) 1984, Sun Microsystems, Inc. | |
63 | * | |
64 | */ | |
65 | ||
66 | #include <sys/param.h> | |
67 | ||
68 | #include <rpc/rpc.h> | |
69 | ||
70 | /* | |
71 | * XDR a call message | |
72 | */ | |
73 | bool_t | |
74 | xdr_callmsg(xdrs, cmsg) | |
75 | register XDR *xdrs; | |
76 | register struct rpc_msg *cmsg; | |
77 | { | |
78 | register long *buf; | |
79 | register struct opaque_auth *oa; | |
80 | ||
81 | if (xdrs->x_op == XDR_ENCODE) { | |
82 | if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) { | |
83 | return (FALSE); | |
84 | } | |
85 | if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) { | |
86 | return (FALSE); | |
87 | } | |
88 | buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT | |
89 | + RNDUP(cmsg->rm_call.cb_cred.oa_length) | |
90 | + 2 * BYTES_PER_XDR_UNIT | |
91 | + RNDUP(cmsg->rm_call.cb_verf.oa_length)); | |
92 | if (buf != NULL) { | |
93 | IXDR_PUT_LONG(buf, cmsg->rm_xid); | |
94 | IXDR_PUT_ENUM(buf, cmsg->rm_direction); | |
95 | if (cmsg->rm_direction != CALL) { | |
96 | return (FALSE); | |
97 | } | |
98 | IXDR_PUT_LONG(buf, cmsg->rm_call.cb_rpcvers); | |
99 | if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { | |
100 | return (FALSE); | |
101 | } | |
102 | IXDR_PUT_LONG(buf, cmsg->rm_call.cb_prog); | |
103 | IXDR_PUT_LONG(buf, cmsg->rm_call.cb_vers); | |
104 | IXDR_PUT_LONG(buf, cmsg->rm_call.cb_proc); | |
105 | oa = &cmsg->rm_call.cb_cred; | |
106 | IXDR_PUT_ENUM(buf, oa->oa_flavor); | |
107 | IXDR_PUT_LONG(buf, oa->oa_length); | |
108 | if (oa->oa_length) { | |
109 | bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length); | |
110 | buf += RNDUP(oa->oa_length) / sizeof (long); | |
111 | } | |
112 | oa = &cmsg->rm_call.cb_verf; | |
113 | IXDR_PUT_ENUM(buf, oa->oa_flavor); | |
114 | IXDR_PUT_LONG(buf, oa->oa_length); | |
115 | if (oa->oa_length) { | |
116 | bcopy(oa->oa_base, (caddr_t)buf, oa->oa_length); | |
117 | /* no real need.... | |
118 | buf += RNDUP(oa->oa_length) / sizeof (long); | |
119 | */ | |
120 | } | |
121 | return (TRUE); | |
122 | } | |
123 | } | |
124 | if (xdrs->x_op == XDR_DECODE) { | |
125 | buf = XDR_INLINE(xdrs, 8 * BYTES_PER_XDR_UNIT); | |
126 | if (buf != NULL) { | |
127 | cmsg->rm_xid = IXDR_GET_LONG(buf); | |
128 | cmsg->rm_direction = IXDR_GET_ENUM(buf, enum msg_type); | |
129 | if (cmsg->rm_direction != CALL) { | |
130 | return (FALSE); | |
131 | } | |
132 | cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG(buf); | |
133 | if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) { | |
134 | return (FALSE); | |
135 | } | |
136 | cmsg->rm_call.cb_prog = IXDR_GET_LONG(buf); | |
137 | cmsg->rm_call.cb_vers = IXDR_GET_LONG(buf); | |
138 | cmsg->rm_call.cb_proc = IXDR_GET_LONG(buf); | |
139 | oa = &cmsg->rm_call.cb_cred; | |
140 | oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); | |
141 | oa->oa_length = IXDR_GET_LONG(buf); | |
142 | if (oa->oa_length) { | |
143 | if (oa->oa_length > MAX_AUTH_BYTES) { | |
144 | return (FALSE); | |
145 | } | |
146 | if (oa->oa_base == NULL) { | |
147 | oa->oa_base = (caddr_t) | |
148 | mem_alloc(oa->oa_length); | |
149 | } | |
150 | buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); | |
151 | if (buf == NULL) { | |
152 | if (xdr_opaque(xdrs, oa->oa_base, | |
153 | oa->oa_length) == FALSE) { | |
154 | return (FALSE); | |
155 | } | |
156 | } else { | |
157 | bcopy((caddr_t)buf, oa->oa_base, | |
158 | oa->oa_length); | |
159 | /* no real need.... | |
160 | buf += RNDUP(oa->oa_length) / | |
161 | sizeof (long); | |
162 | */ | |
163 | } | |
164 | } | |
165 | oa = &cmsg->rm_call.cb_verf; | |
166 | buf = XDR_INLINE(xdrs, 2 * BYTES_PER_XDR_UNIT); | |
167 | if (buf == NULL) { | |
168 | if (xdr_enum(xdrs, &oa->oa_flavor) == FALSE || | |
169 | xdr_u_int(xdrs, &oa->oa_length) == FALSE) { | |
170 | return (FALSE); | |
171 | } | |
172 | } else { | |
173 | oa->oa_flavor = IXDR_GET_ENUM(buf, enum_t); | |
174 | oa->oa_length = IXDR_GET_LONG(buf); | |
175 | } | |
176 | if (oa->oa_length) { | |
177 | if (oa->oa_length > MAX_AUTH_BYTES) { | |
178 | return (FALSE); | |
179 | } | |
180 | if (oa->oa_base == NULL) { | |
181 | oa->oa_base = (caddr_t) | |
182 | mem_alloc(oa->oa_length); | |
183 | } | |
184 | buf = XDR_INLINE(xdrs, RNDUP(oa->oa_length)); | |
185 | if (buf == NULL) { | |
186 | if (xdr_opaque(xdrs, oa->oa_base, | |
187 | oa->oa_length) == FALSE) { | |
188 | return (FALSE); | |
189 | } | |
190 | } else { | |
191 | bcopy((caddr_t)buf, oa->oa_base, | |
192 | oa->oa_length); | |
193 | /* no real need... | |
194 | buf += RNDUP(oa->oa_length) / | |
195 | sizeof (long); | |
196 | */ | |
197 | } | |
198 | } | |
199 | return (TRUE); | |
200 | } | |
201 | } | |
202 | if ( | |
203 | xdr_u_long(xdrs, &(cmsg->rm_xid)) && | |
204 | xdr_enum(xdrs, (enum_t *)&(cmsg->rm_direction)) && | |
205 | (cmsg->rm_direction == CALL) && | |
206 | xdr_u_long(xdrs, &(cmsg->rm_call.cb_rpcvers)) && | |
207 | (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) && | |
208 | xdr_u_long(xdrs, &(cmsg->rm_call.cb_prog)) && | |
209 | xdr_u_long(xdrs, &(cmsg->rm_call.cb_vers)) && | |
210 | xdr_u_long(xdrs, &(cmsg->rm_call.cb_proc)) && | |
211 | xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_cred)) ) | |
212 | return (xdr_opaque_auth(xdrs, &(cmsg->rm_call.cb_verf))); | |
213 | return (FALSE); | |
214 | } | |
215 |