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28f540f4 | 1 | /* |
a7ab6ec8 | 2 | * Copyright (c) 2010, Oracle America, Inc. |
cb636bb2 | 3 | * |
a7ab6ec8 UD |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions are | |
6 | * met: | |
cb636bb2 | 7 | * |
a7ab6ec8 UD |
8 | * * Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * * Redistributions in binary form must reproduce the above | |
11 | * copyright notice, this list of conditions and the following | |
12 | * disclaimer in the documentation and/or other materials | |
13 | * provided with the distribution. | |
14 | * * Neither the name of the "Oracle America, Inc." nor the names of its | |
15 | * contributors may be used to endorse or promote products derived | |
16 | * from this software without specific prior written permission. | |
e7fd8a39 | 17 | * |
a7ab6ec8 UD |
18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
21 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
22 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
23 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE | |
25 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
27 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
f8afba91 | 30 | */ |
28f540f4 RM |
31 | /* |
32 | * auth_none.c | |
e7fd8a39 UD |
33 | * Creates a client authentication handle for passing "null" |
34 | * credentials and verifiers to remote systems. | |
28f540f4 RM |
35 | */ |
36 | ||
f1e4a4a4 | 37 | #include <rpc/rpc.h> |
cbba1b88 | 38 | #include <bits/libc-lock.h> |
e7fd8a39 | 39 | |
cbba1b88 | 40 | #define MAX_MARSHAL_SIZE 20 |
28f540f4 RM |
41 | |
42 | /* | |
43 | * Authenticator operations routines | |
44 | */ | |
e7fd8a39 UD |
45 | static void authnone_verf (AUTH *); |
46 | static void authnone_destroy (AUTH *); | |
47 | static bool_t authnone_marshal (AUTH *, XDR *); | |
48 | static bool_t authnone_validate (AUTH *, struct opaque_auth *); | |
49 | static bool_t authnone_refresh (AUTH *); | |
28f540f4 | 50 | |
3d50529d | 51 | static const struct auth_ops ops = { |
e7fd8a39 UD |
52 | authnone_verf, |
53 | authnone_marshal, | |
54 | authnone_validate, | |
55 | authnone_refresh, | |
56 | authnone_destroy | |
28f540f4 RM |
57 | }; |
58 | ||
cbba1b88 UD |
59 | /* Internal data and routines */ |
60 | ||
f1e4a4a4 | 61 | struct authnone_private_s { |
f8afba91 | 62 | AUTH no_client; |
cbba1b88 | 63 | char marshalled_client[MAX_MARSHAL_SIZE]; |
f8afba91 | 64 | u_int mcnt; |
f1e4a4a4 | 65 | }; |
28f540f4 | 66 | |
cbba1b88 UD |
67 | static struct authnone_private_s authnone_private; |
68 | __libc_once_define(static, authnone_private_guard); | |
69 | ||
70 | static void authnone_create_once (void); | |
71 | ||
72 | static void | |
73 | authnone_create_once (void) | |
28f540f4 | 74 | { |
f1e4a4a4 | 75 | struct authnone_private_s *ap; |
e7fd8a39 UD |
76 | XDR xdr_stream; |
77 | XDR *xdrs; | |
28f540f4 | 78 | |
cbba1b88 UD |
79 | ap = &authnone_private; |
80 | ||
81 | ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth; | |
3d50529d | 82 | ap->no_client.ah_ops = (struct auth_ops *) &ops; |
cbba1b88 | 83 | xdrs = &xdr_stream; |
7b57bfe5 UD |
84 | xdrmem_create (xdrs, ap->marshalled_client, |
85 | (u_int) MAX_MARSHAL_SIZE, XDR_ENCODE); | |
86 | (void) xdr_opaque_auth (xdrs, &ap->no_client.ah_cred); | |
87 | (void) xdr_opaque_auth (xdrs, &ap->no_client.ah_verf); | |
cbba1b88 UD |
88 | ap->mcnt = XDR_GETPOS (xdrs); |
89 | XDR_DESTROY (xdrs); | |
3d50529d | 90 | } |
cbba1b88 UD |
91 | |
92 | AUTH * | |
93 | authnone_create (void) | |
94 | { | |
95 | __libc_once (authnone_private_guard, authnone_create_once); | |
96 | return &authnone_private.no_client; | |
28f540f4 | 97 | } |
7b57bfe5 | 98 | libc_hidden_nolink (authnone_create, GLIBC_2_0) |
28f540f4 | 99 | |
28f540f4 | 100 | static bool_t |
e7fd8a39 | 101 | authnone_marshal (AUTH *client, XDR *xdrs) |
28f540f4 | 102 | { |
f1e4a4a4 | 103 | struct authnone_private_s *ap; |
28f540f4 | 104 | |
cbba1b88 UD |
105 | /* authnone_create returned authnone_private->no_client, which is |
106 | the first field of struct authnone_private_s. */ | |
107 | ap = (struct authnone_private_s *) client; | |
f1e4a4a4 UD |
108 | if (ap == NULL) |
109 | return FALSE; | |
f8afba91 | 110 | return (*xdrs->x_ops->x_putbytes) (xdrs, ap->marshalled_client, ap->mcnt); |
28f540f4 RM |
111 | } |
112 | ||
e7fd8a39 UD |
113 | static void |
114 | authnone_verf (AUTH *auth) | |
28f540f4 RM |
115 | { |
116 | } | |
117 | ||
118 | static bool_t | |
e7fd8a39 | 119 | authnone_validate (AUTH *auth, struct opaque_auth *oa) |
28f540f4 | 120 | { |
e7fd8a39 | 121 | return TRUE; |
28f540f4 RM |
122 | } |
123 | ||
124 | static bool_t | |
e7fd8a39 | 125 | authnone_refresh (AUTH *auth) |
28f540f4 | 126 | { |
e7fd8a39 | 127 | return FALSE; |
28f540f4 RM |
128 | } |
129 | ||
130 | static void | |
e7fd8a39 | 131 | authnone_destroy (AUTH *auth) |
28f540f4 RM |
132 | { |
133 | } |