[linux-2.6-block.git] / net / rxrpc / insecure.c

// 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_free_call_crypto(struct rxrpc_call *call)
{
}

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,
	.free_call_crypto		= none_free_call_crypto,
	.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,
};
Commit	Line	Data
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	}
e0e4d82f DH	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
1db88c53 DH	36	static void none_free_call_crypto(struct rxrpc_call *call)
	37	{
	38	}
	39
248f219c DH	40	static void none_locate_data(struct rxrpc_call call, struct sk_buff skb,
	41	unsigned int _offset, unsigned int _len)
	42	{
	43	}
	44
e0e4d82f	45	static int none_respond_to_challenge(struct rxrpc_connection *conn,
5a42976d DH	46	struct sk_buff *skb,
5a42976d DH	47	u32 *_abort_code)
e0e4d82f	48	{
fb46f6ee DH	49	struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
	50
	51	trace_rxrpc_rx_eproto(NULL, sp->hdr.serial,
	52	tracepoint_string("chall_none"));
e0e4d82f DH	53	return -EPROTO;
	54	}
	55
	56	static int none_verify_response(struct rxrpc_connection *conn,
5a42976d DH	57	struct sk_buff *skb,
5a42976d DH	58	u32 *_abort_code)
e0e4d82f	59	{
fb46f6ee DH	60	struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
	61
	62	trace_rxrpc_rx_eproto(NULL, sp->hdr.serial,
	63	tracepoint_string("resp_none"));
e0e4d82f DH	64	return -EPROTO;
	65	}
	66
	67	static void none_clear(struct rxrpc_connection *conn)
	68	{
	69	}
	70
	71	static int none_init(void)
	72	{
	73	return 0;
	74	}
	75
	76	static void none_exit(void)
	77	{
	78	}
	79
	80	/*
	81	* RxRPC Kerberos-based security
	82	*/
	83	const struct rxrpc_security rxrpc_no_security = {
	84	.name = "none",
	85	.security_index = RXRPC_SECURITY_NONE,
	86	.init = none_init,
	87	.exit = none_exit,
	88	.init_connection_security = none_init_connection_security,
	89	.prime_packet_security = none_prime_packet_security,
1db88c53	90	.free_call_crypto = none_free_call_crypto,
e0e4d82f DH	91	.secure_packet = none_secure_packet,
e0e4d82f DH	92	.verify_packet = none_verify_packet,
248f219c	93	.locate_data = none_locate_data,
e0e4d82f DH	94	.respond_to_challenge = none_respond_to_challenge,
	95	.verify_response = none_verify_response,
	96	.clear = none_clear,
	97	};