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rxrpc: Create a null security type and get rid of conditional calls
Create a null security type for security index 0 and get rid of all conditional calls to the security operations. We expect normally to be using security, so this should be of little negative impact. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Apr 11, 2016
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Original file line number | Diff line number | Diff line change |
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/* Null security operations. | ||
* | ||
* Copyright (C) 2016 Red Hat, Inc. All Rights Reserved. | ||
* Written by David Howells (dhowells@redhat.com) | ||
* | ||
* This program is free software; you can redistribute it and/or | ||
* modify it under the terms of the GNU General Public Licence | ||
* as published by the Free Software Foundation; either version | ||
* 2 of the Licence, or (at your option) any later version. | ||
*/ | ||
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#include <net/af_rxrpc.h> | ||
#include "ar-internal.h" | ||
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static int none_init_connection_security(struct rxrpc_connection *conn) | ||
{ | ||
return 0; | ||
} | ||
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static void none_prime_packet_security(struct rxrpc_connection *conn) | ||
{ | ||
} | ||
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static int none_secure_packet(const struct rxrpc_call *call, | ||
struct sk_buff *skb, | ||
size_t data_size, | ||
void *sechdr) | ||
{ | ||
return 0; | ||
} | ||
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static int none_verify_packet(const struct rxrpc_call *call, | ||
struct sk_buff *skb, | ||
u32 *_abort_code) | ||
{ | ||
return 0; | ||
} | ||
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static int none_respond_to_challenge(struct rxrpc_connection *conn, | ||
struct sk_buff *skb, | ||
u32 *_abort_code) | ||
{ | ||
*_abort_code = RX_PROTOCOL_ERROR; | ||
return -EPROTO; | ||
} | ||
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static int none_verify_response(struct rxrpc_connection *conn, | ||
struct sk_buff *skb, | ||
u32 *_abort_code) | ||
{ | ||
*_abort_code = RX_PROTOCOL_ERROR; | ||
return -EPROTO; | ||
} | ||
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static void none_clear(struct rxrpc_connection *conn) | ||
{ | ||
} | ||
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static int none_init(void) | ||
{ | ||
return 0; | ||
} | ||
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static void none_exit(void) | ||
{ | ||
} | ||
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/* | ||
* 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, | ||
.respond_to_challenge = none_respond_to_challenge, | ||
.verify_response = none_verify_response, | ||
.clear = none_clear, | ||
}; |