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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> |
ec999b8e | 38 | #include <libc-lock.h> |
82f43dd2 | 39 | #include <shlib-compat.h> |
e7fd8a39 | 40 | |
cbba1b88 | 41 | #define MAX_MARSHAL_SIZE 20 |
28f540f4 RM |
42 | |
43 | /* | |
44 | * Authenticator operations routines | |
45 | */ | |
e7fd8a39 UD |
46 | static void authnone_verf (AUTH *); |
47 | static void authnone_destroy (AUTH *); | |
48 | static bool_t authnone_marshal (AUTH *, XDR *); | |
49 | static bool_t authnone_validate (AUTH *, struct opaque_auth *); | |
50 | static bool_t authnone_refresh (AUTH *); | |
28f540f4 | 51 | |
3d50529d | 52 | static const struct auth_ops ops = { |
e7fd8a39 UD |
53 | authnone_verf, |
54 | authnone_marshal, | |
55 | authnone_validate, | |
56 | authnone_refresh, | |
57 | authnone_destroy | |
28f540f4 RM |
58 | }; |
59 | ||
cbba1b88 UD |
60 | /* Internal data and routines */ |
61 | ||
f1e4a4a4 | 62 | struct authnone_private_s { |
f8afba91 | 63 | AUTH no_client; |
cbba1b88 | 64 | char marshalled_client[MAX_MARSHAL_SIZE]; |
f8afba91 | 65 | u_int mcnt; |
f1e4a4a4 | 66 | }; |
28f540f4 | 67 | |
cbba1b88 UD |
68 | static struct authnone_private_s authnone_private; |
69 | __libc_once_define(static, authnone_private_guard); | |
70 | ||
71 | static void authnone_create_once (void); | |
72 | ||
73 | static void | |
74 | authnone_create_once (void) | |
28f540f4 | 75 | { |
f1e4a4a4 | 76 | struct authnone_private_s *ap; |
e7fd8a39 UD |
77 | XDR xdr_stream; |
78 | XDR *xdrs; | |
28f540f4 | 79 | |
cbba1b88 UD |
80 | ap = &authnone_private; |
81 | ||
82 | ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth; | |
3d50529d | 83 | ap->no_client.ah_ops = (struct auth_ops *) &ops; |
cbba1b88 | 84 | xdrs = &xdr_stream; |
7b57bfe5 UD |
85 | xdrmem_create (xdrs, ap->marshalled_client, |
86 | (u_int) MAX_MARSHAL_SIZE, XDR_ENCODE); | |
87 | (void) xdr_opaque_auth (xdrs, &ap->no_client.ah_cred); | |
88 | (void) xdr_opaque_auth (xdrs, &ap->no_client.ah_verf); | |
cbba1b88 UD |
89 | ap->mcnt = XDR_GETPOS (xdrs); |
90 | XDR_DESTROY (xdrs); | |
3d50529d | 91 | } |
cbba1b88 UD |
92 | |
93 | AUTH * | |
94 | authnone_create (void) | |
95 | { | |
96 | __libc_once (authnone_private_guard, authnone_create_once); | |
97 | return &authnone_private.no_client; | |
28f540f4 | 98 | } |
021db4be | 99 | libc_hidden_nolink_sunrpc (authnone_create, GLIBC_2_0) |
28f540f4 | 100 | |
28f540f4 | 101 | static bool_t |
e7fd8a39 | 102 | authnone_marshal (AUTH *client, XDR *xdrs) |
28f540f4 | 103 | { |
f1e4a4a4 | 104 | struct authnone_private_s *ap; |
28f540f4 | 105 | |
cbba1b88 UD |
106 | /* authnone_create returned authnone_private->no_client, which is |
107 | the first field of struct authnone_private_s. */ | |
108 | ap = (struct authnone_private_s *) client; | |
f1e4a4a4 UD |
109 | if (ap == NULL) |
110 | return FALSE; | |
f8afba91 | 111 | return (*xdrs->x_ops->x_putbytes) (xdrs, ap->marshalled_client, ap->mcnt); |
28f540f4 RM |
112 | } |
113 | ||
e7fd8a39 UD |
114 | static void |
115 | authnone_verf (AUTH *auth) | |
28f540f4 RM |
116 | { |
117 | } | |
118 | ||
119 | static bool_t | |
e7fd8a39 | 120 | authnone_validate (AUTH *auth, struct opaque_auth *oa) |
28f540f4 | 121 | { |
e7fd8a39 | 122 | return TRUE; |
28f540f4 RM |
123 | } |
124 | ||
125 | static bool_t | |
e7fd8a39 | 126 | authnone_refresh (AUTH *auth) |
28f540f4 | 127 | { |
e7fd8a39 | 128 | return FALSE; |
28f540f4 RM |
129 | } |
130 | ||
131 | static void | |
e7fd8a39 | 132 | authnone_destroy (AUTH *auth) |
28f540f4 RM |
133 | { |
134 | } |