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e0e4d82f DH |
1 | /* Null security operations. |
2 | * | |
3 | * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. | |
4 | * Written by David Howells (dhowells@redhat.com) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public Licence | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the Licence, or (at your option) any later version. | |
10 | */ | |
11 | ||
12 | #include <net/af_rxrpc.h> | |
13 | #include "ar-internal.h" | |
14 | ||
15 | static int none_init_connection_security(struct rxrpc_connection *conn) | |
16 | { | |
17 | return 0; | |
18 | } | |
19 | ||
20 | static void none_prime_packet_security(struct rxrpc_connection *conn) | |
21 | { | |
22 | } | |
23 | ||
24 | static int none_secure_packet(const struct rxrpc_call *call, | |
25 | struct sk_buff *skb, | |
26 | size_t data_size, | |
27 | void *sechdr) | |
28 | { | |
29 | return 0; | |
30 | } | |
31 | ||
32 | static int none_verify_packet(const struct rxrpc_call *call, | |
33 | struct sk_buff *skb, | |
34 | u32 *_abort_code) | |
35 | { | |
36 | return 0; | |
37 | } | |
38 | ||
39 | static int none_respond_to_challenge(struct rxrpc_connection *conn, | |
40 | struct sk_buff *skb, | |
41 | u32 *_abort_code) | |
42 | { | |
43 | *_abort_code = RX_PROTOCOL_ERROR; | |
44 | return -EPROTO; | |
45 | } | |
46 | ||
47 | static int none_verify_response(struct rxrpc_connection *conn, | |
48 | struct sk_buff *skb, | |
49 | u32 *_abort_code) | |
50 | { | |
51 | *_abort_code = RX_PROTOCOL_ERROR; | |
52 | return -EPROTO; | |
53 | } | |
54 | ||
55 | static void none_clear(struct rxrpc_connection *conn) | |
56 | { | |
57 | } | |
58 | ||
59 | static int none_init(void) | |
60 | { | |
61 | return 0; | |
62 | } | |
63 | ||
64 | static void none_exit(void) | |
65 | { | |
66 | } | |
67 | ||
68 | /* | |
69 | * RxRPC Kerberos-based security | |
70 | */ | |
71 | const struct rxrpc_security rxrpc_no_security = { | |
72 | .name = "none", | |
73 | .security_index = RXRPC_SECURITY_NONE, | |
74 | .init = none_init, | |
75 | .exit = none_exit, | |
76 | .init_connection_security = none_init_connection_security, | |
77 | .prime_packet_security = none_prime_packet_security, | |
78 | .secure_packet = none_secure_packet, | |
79 | .verify_packet = none_verify_packet, | |
80 | .respond_to_challenge = none_respond_to_challenge, | |
81 | .verify_response = none_verify_response, | |
82 | .clear = none_clear, | |
83 | }; |