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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 | ||
a263629d | 20 | static int none_prime_packet_security(struct rxrpc_connection *conn) |
e0e4d82f | 21 | { |
a263629d | 22 | return 0; |
e0e4d82f DH |
23 | } |
24 | ||
a263629d | 25 | static int none_secure_packet(struct rxrpc_call *call, |
5a42976d DH |
26 | struct sk_buff *skb, |
27 | size_t data_size, | |
28 | void *sechdr) | |
e0e4d82f DH |
29 | { |
30 | return 0; | |
31 | } | |
32 | ||
a263629d | 33 | static int none_verify_packet(struct rxrpc_call *call, |
5a42976d DH |
34 | struct sk_buff *skb, |
35 | rxrpc_seq_t seq, | |
36 | u16 expected_cksum) | |
e0e4d82f DH |
37 | { |
38 | return 0; | |
39 | } | |
40 | ||
41 | static int none_respond_to_challenge(struct rxrpc_connection *conn, | |
5a42976d DH |
42 | struct sk_buff *skb, |
43 | u32 *_abort_code) | |
e0e4d82f DH |
44 | { |
45 | *_abort_code = RX_PROTOCOL_ERROR; | |
46 | return -EPROTO; | |
47 | } | |
48 | ||
49 | static int none_verify_response(struct rxrpc_connection *conn, | |
5a42976d DH |
50 | struct sk_buff *skb, |
51 | u32 *_abort_code) | |
e0e4d82f DH |
52 | { |
53 | *_abort_code = RX_PROTOCOL_ERROR; | |
54 | return -EPROTO; | |
55 | } | |
56 | ||
57 | static void none_clear(struct rxrpc_connection *conn) | |
58 | { | |
59 | } | |
60 | ||
61 | static int none_init(void) | |
62 | { | |
63 | return 0; | |
64 | } | |
65 | ||
66 | static void none_exit(void) | |
67 | { | |
68 | } | |
69 | ||
70 | /* | |
71 | * RxRPC Kerberos-based security | |
72 | */ | |
73 | const struct rxrpc_security rxrpc_no_security = { | |
74 | .name = "none", | |
75 | .security_index = RXRPC_SECURITY_NONE, | |
76 | .init = none_init, | |
77 | .exit = none_exit, | |
78 | .init_connection_security = none_init_connection_security, | |
79 | .prime_packet_security = none_prime_packet_security, | |
80 | .secure_packet = none_secure_packet, | |
81 | .verify_packet = none_verify_packet, | |
82 | .respond_to_challenge = none_respond_to_challenge, | |
83 | .verify_response = none_verify_response, | |
84 | .clear = none_clear, | |
85 | }; |