| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* Null security operations. |
| * |
| * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| */ |
| |
| #include <net/af_rxrpc.h> |
| #include "ar-internal.h" |
| |
| static int none_init_connection_security(struct rxrpc_connection *conn) |
| { |
| return 0; |
| } |
| |
| static int none_prime_packet_security(struct rxrpc_connection *conn) |
| { |
| return 0; |
| } |
| |
| static int none_secure_packet(struct rxrpc_call *call, |
| struct sk_buff *skb, |
| size_t data_size, |
| void *sechdr) |
| { |
| return 0; |
| } |
| |
| static int none_verify_packet(struct rxrpc_call *call, struct sk_buff *skb, |
| unsigned int offset, unsigned int len, |
| rxrpc_seq_t seq, u16 expected_cksum) |
| { |
| return 0; |
| } |
| |
| static void none_locate_data(struct rxrpc_call *call, struct sk_buff *skb, |
| unsigned int *_offset, unsigned int *_len) |
| { |
| } |
| |
| static int none_respond_to_challenge(struct rxrpc_connection *conn, |
| struct sk_buff *skb, |
| u32 *_abort_code) |
| { |
| struct rxrpc_skb_priv *sp = rxrpc_skb(skb); |
| |
| trace_rxrpc_rx_eproto(NULL, sp->hdr.serial, |
| tracepoint_string("chall_none")); |
| return -EPROTO; |
| } |
| |
| static int none_verify_response(struct rxrpc_connection *conn, |
| struct sk_buff *skb, |
| u32 *_abort_code) |
| { |
| struct rxrpc_skb_priv *sp = rxrpc_skb(skb); |
| |
| trace_rxrpc_rx_eproto(NULL, sp->hdr.serial, |
| tracepoint_string("resp_none")); |
| return -EPROTO; |
| } |
| |
| static void none_clear(struct rxrpc_connection *conn) |
| { |
| } |
| |
| static int none_init(void) |
| { |
| return 0; |
| } |
| |
| static void none_exit(void) |
| { |
| } |
| |
| /* |
| * RxRPC Kerberos-based security |
| */ |
| const struct rxrpc_security rxrpc_no_security = { |
| .name = "none", |
| .security_index = RXRPC_SECURITY_NONE, |
| .init = none_init, |
| .exit = none_exit, |
| .init_connection_security = none_init_connection_security, |
| .prime_packet_security = none_prime_packet_security, |
| .secure_packet = none_secure_packet, |
| .verify_packet = none_verify_packet, |
| .locate_data = none_locate_data, |
| .respond_to_challenge = none_respond_to_challenge, |
| .verify_response = none_verify_response, |
| .clear = none_clear, |
| }; |