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b4d0d230 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
e0e4d82f DH |
2 | /* Null security operations. |
3 | * | |
4 | * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. | |
5 | * Written by David Howells (dhowells@redhat.com) | |
e0e4d82f DH |
6 | */ |
7 | ||
8 | #include <net/af_rxrpc.h> | |
9 | #include "ar-internal.h" | |
10 | ||
11 | static int none_init_connection_security(struct rxrpc_connection *conn) | |
12 | { | |
13 | return 0; | |
14 | } | |
15 | ||
a263629d | 16 | static int none_prime_packet_security(struct rxrpc_connection *conn) |
e0e4d82f | 17 | { |
a263629d | 18 | return 0; |
e0e4d82f DH |
19 | } |
20 | ||
a263629d | 21 | static int none_secure_packet(struct rxrpc_call *call, |
5a42976d DH |
22 | struct sk_buff *skb, |
23 | size_t data_size, | |
24 | void *sechdr) | |
e0e4d82f DH |
25 | { |
26 | return 0; | |
27 | } | |
28 | ||
248f219c DH |
29 | static int none_verify_packet(struct rxrpc_call *call, struct sk_buff *skb, |
30 | unsigned int offset, unsigned int len, | |
31 | rxrpc_seq_t seq, u16 expected_cksum) | |
e0e4d82f DH |
32 | { |
33 | return 0; | |
34 | } | |
35 | ||
248f219c DH |
36 | static void none_locate_data(struct rxrpc_call *call, struct sk_buff *skb, |
37 | unsigned int *_offset, unsigned int *_len) | |
38 | { | |
39 | } | |
40 | ||
e0e4d82f | 41 | static int none_respond_to_challenge(struct rxrpc_connection *conn, |
5a42976d DH |
42 | struct sk_buff *skb, |
43 | u32 *_abort_code) | |
e0e4d82f | 44 | { |
fb46f6ee DH |
45 | struct rxrpc_skb_priv *sp = rxrpc_skb(skb); |
46 | ||
47 | trace_rxrpc_rx_eproto(NULL, sp->hdr.serial, | |
48 | tracepoint_string("chall_none")); | |
e0e4d82f DH |
49 | return -EPROTO; |
50 | } | |
51 | ||
52 | static int none_verify_response(struct rxrpc_connection *conn, | |
5a42976d DH |
53 | struct sk_buff *skb, |
54 | u32 *_abort_code) | |
e0e4d82f | 55 | { |
fb46f6ee DH |
56 | struct rxrpc_skb_priv *sp = rxrpc_skb(skb); |
57 | ||
58 | trace_rxrpc_rx_eproto(NULL, sp->hdr.serial, | |
59 | tracepoint_string("resp_none")); | |
e0e4d82f DH |
60 | return -EPROTO; |
61 | } | |
62 | ||
63 | static void none_clear(struct rxrpc_connection *conn) | |
64 | { | |
65 | } | |
66 | ||
67 | static int none_init(void) | |
68 | { | |
69 | return 0; | |
70 | } | |
71 | ||
72 | static void none_exit(void) | |
73 | { | |
74 | } | |
75 | ||
76 | /* | |
77 | * RxRPC Kerberos-based security | |
78 | */ | |
79 | const struct rxrpc_security rxrpc_no_security = { | |
80 | .name = "none", | |
81 | .security_index = RXRPC_SECURITY_NONE, | |
82 | .init = none_init, | |
83 | .exit = none_exit, | |
84 | .init_connection_security = none_init_connection_security, | |
85 | .prime_packet_security = none_prime_packet_security, | |
86 | .secure_packet = none_secure_packet, | |
87 | .verify_packet = none_verify_packet, | |
248f219c | 88 | .locate_data = none_locate_data, |
e0e4d82f DH |
89 | .respond_to_challenge = none_respond_to_challenge, |
90 | .verify_response = none_verify_response, | |
91 | .clear = none_clear, | |
92 | }; |