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1 office 1 /*
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.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
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.
16 *
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.
20 *
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.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California 94043
28 *
29 * from: @(#)rpc_msg.h 1.7 86/07/16 SMI
30 * from: @(#)rpc_msg.h 2.1 88/07/29 4.0 RPCSRC
31 * $FreeBSD: src/include/rpc/rpc_msg.h,v 1.11.2.1 1999/08/29 14:39:07 peter Exp $
32 */
33  
34 /*
35 * rpc_msg.h
36 * rpc message definition
37 *
38 * Copyright (C) 1984, Sun Microsystems, Inc.
39 */
40  
41 #define SUNRPC_MSG_VERSION ((uint32_t) 2)
42  
43 /*
44 * Bottom up definition of an rpc message.
45 * NOTE: call and reply use the same overall stuct but
46 * different parts of unions within it.
47 */
48  
49 enum sunrpc_msg_type {
50 SUNRPC_CALL=0,
51 SUNRPC_REPLY=1
52 };
53  
54 enum sunrpc_reply_stat {
55 SUNRPC_MSG_ACCEPTED=0,
56 SUNRPC_MSG_DENIED=1
57 };
58  
59 enum sunrpc_accept_stat {
60 SUNRPC_SUCCESS=0,
61 SUNRPC_PROG_UNAVAIL=1,
62 SUNRPC_PROG_MISMATCH=2,
63 SUNRPC_PROC_UNAVAIL=3,
64 SUNRPC_GARBAGE_ARGS=4,
65 SUNRPC_SYSTEM_ERR=5
66 };
67  
68 enum sunrpc_reject_stat {
69 SUNRPC_RPC_MISMATCH=0,
70 SUNRPC_AUTH_ERROR=1
71 };
72  
73 /*
74 * Reply part of an rpc exchange
75 */
76  
77 /*
78 * Reply to an rpc request that was rejected by the server.
79 */
80 struct sunrpc_rejected_reply {
81 uint32_t rj_stat; /* enum reject_stat */
82 union {
83 struct {
84 uint32_t low;
85 uint32_t high;
86 } RJ_versions;
87 uint32_t RJ_why; /* enum auth_stat - why authentication did not work */
88 } ru;
89 #define rj_vers ru.RJ_versions
90 #define rj_why ru.RJ_why
91 };
92  
93 /*
94 * Body of a reply to an rpc request.
95 */
96 struct sunrpc_reply_body {
97 uint32_t rp_stat; /* enum reply_stat */
98 struct sunrpc_rejected_reply rp_reject; /* if rejected */
99 };
100  
101 /*
102 * Body of an rpc request call.
103 */
104 struct sunrpc_call_body {
105 uint32_t cb_rpcvers; /* must be equal to two */
106 uint32_t cb_prog;
107 uint32_t cb_vers;
108 uint32_t cb_proc;
109 struct sunrpc_opaque_auth cb_cred;
110 /* followed by opaque verifier */
111 };
112  
113 /*
114 * The rpc message
115 */
116 struct sunrpc_msg {
117 uint32_t rm_xid;
118 uint32_t rm_direction; /* enum msg_type */
119 union {
120 struct sunrpc_call_body RM_cmb;
121 struct sunrpc_reply_body RM_rmb;
122 } ru;
123 #define rm_call ru.RM_cmb
124 #define rm_reply ru.RM_rmb
125 };
126 #define acpted_rply ru.RM_rmb.ru.RP_ar
127 #define rjcted_rply ru.RM_rmb.ru.RP_dr