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01: /*
02:  * auth_unix.h, Protocol for UNIX style authentication parameters for RPC
03:  *
04:  * Copyright (c) 2010, Oracle America, Inc.
05:  *
06:  * Redistribution and use in source and binary forms, with or without
07:  * modification, are permitted provided that the following conditions are
08:  * met:
09:  *
10:  *     * Redistributions of source code must retain the above copyright
11:  *       notice, this list of conditions and the following disclaimer.
12:  *     * Redistributions in binary form must reproduce the above
13:  *       copyright notice, this list of conditions and the following
14:  *       disclaimer in the documentation and/or other materials
15:  *       provided with the distribution.
16:  *     * Neither the name of the "Oracle America, Inc." nor the names of its
17:  *       contributors may be used to endorse or promote products derived
18:  *       from this software without specific prior written permission.
19:  *
20:  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21:  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22:  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23:  *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24:  *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25:  *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26:  *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27:  *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28:  *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29:  *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30:  *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31:  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32:  */
33: 
34: /*
35:  * The system is very weak.  The client uses no encryption for  it
36:  * credentials and only sends null verifiers.  The server sends backs
37:  * null verifiers or optionally a verifier that suggests a new short hand
38:  * for the credentials.
39:  */
40: 
41: #ifndef _RPC_AUTH_UNIX_H
42: #define _RPC_AUTH_UNIX_H        1
43: 
44: #include <features.h>
45: #include <sys/types.h>
46: #include <rpc/types.h>
47: #include <rpc/auth.h>
48: #include <rpc/xdr.h>
49: 
50: __BEGIN_DECLS
51: 
52: /* The machine name is part of a credential; it may not exceed 255 bytes */
53: #define MAX_MACHINE_NAME 255
54: 
55: /* gids compose part of a credential; there may not be more than 16 of them */
56: #define NGRPS 16
57: 
58: /*
59:  * Unix style credentials.
60:  */
61: struct authunix_parms
62:   {
63:     u_long aup_time;
64:     char *aup_machname;
65:     __uid_t aup_uid;
66:     __gid_t aup_gid;
67:     u_int aup_len;
68:     __gid_t *aup_gids;
69:   };
70: 
71: extern bool_t xdr_authunix_parms (XDR *__xdrs, struct authunix_parms *__p)
72:      __THROW;
73: 
74: /*
75:  * If a response verifier has flavor AUTH_SHORT,
76:  * then the body of the response verifier encapsulates the following structure;
77:  * again it is serialized in the obvious fashion.
78:  */
79: struct short_hand_verf
80:   {
81:     struct opaque_auth new_cred;
82:   };
83: 
84: __END_DECLS
85: 
86: #endif /* rpc/auth_unix.h */
87: 

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