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Commit 17926a79 authored by David Howells's avatar David Howells Committed by David S. Miller
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[AF_RXRPC]: Provide secure RxRPC sockets for use by userspace and kernel both 

Provide AF_RXRPC sockets that can be used to talk to AFS servers, or serve
answers to AFS clients.  KerberosIV security is fully supported.  The patches
and some example test programs can be found in:

	http://people.redhat.com/~dhowells/rxrpc/



This will eventually replace the old implementation of kernel-only RxRPC
currently resident in net/rxrpc/.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e19dff1f

Documentation/networking/rxrpc.txt

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+663 −0

File added.

Preview size limit exceeded, changes collapsed.

include/keys/rxrpc-type.h

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/* RxRPC key type

 *

 * Copyright (C) 2007 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 License

 * as published by the Free Software Foundation; either version

 * 2 of the License, or (at your option) any later version.

 */



#ifndef _KEYS_RXRPC_TYPE_H

#define _KEYS_RXRPC_TYPE_H



#include <linux/key.h>



/*

 * key type for AF_RXRPC keys

 */

extern struct key_type key_type_rxrpc;



#endif /* _KEYS_USER_TYPE_H */

include/linux/net.h

+1 −1
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ 
struct poll_table_struct;

struct inode;



#define NPROTO		33		/* should be enough for now..	*/

#define NPROTO		34		/* should be enough for now..	*/



#define SYS_SOCKET	1		/* sys_socket(2)		*/

#define SYS_BIND	2		/* sys_bind(2)			*/

include/linux/rxrpc.h

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+62 −0
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/* AF_RXRPC parameters

 *

 * Copyright (C) 2007 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 License

 * as published by the Free Software Foundation; either version

 * 2 of the License, or (at your option) any later version.

 */



#ifndef _LINUX_RXRPC_H

#define _LINUX_RXRPC_H



#include <linux/in.h>

#include <linux/in6.h>



/*

 * RxRPC socket address

 */

struct sockaddr_rxrpc {

	sa_family_t	srx_family;	/* address family */

	u16		srx_service;	/* service desired */

	u16		transport_type;	/* type of transport socket (SOCK_DGRAM) */

	u16		transport_len;	/* length of transport address */

	union {

		sa_family_t family;		/* transport address family */

		struct sockaddr_in sin;		/* IPv4 transport address */

		struct sockaddr_in6 sin6;	/* IPv6 transport address */

	} transport;

};



/*

 * RxRPC socket options

 */

#define RXRPC_SECURITY_KEY		1	/* [clnt] set client security key */

#define RXRPC_SECURITY_KEYRING		2	/* [srvr] set ring of server security keys */

#define RXRPC_EXCLUSIVE_CONNECTION	3	/* [clnt] use exclusive RxRPC connection */

#define RXRPC_MIN_SECURITY_LEVEL	4	/* minimum security level */



/*

 * RxRPC control messages

 * - terminal messages mean that a user call ID tag can be recycled

 */

#define RXRPC_USER_CALL_ID	1	/* user call ID specifier */

#define RXRPC_ABORT		2	/* abort request / notification [terminal] */

#define RXRPC_ACK		3	/* [Server] RPC op final ACK received [terminal] */

#define RXRPC_NET_ERROR		5	/* network error received [terminal] */

#define RXRPC_BUSY		6	/* server busy received [terminal] */

#define RXRPC_LOCAL_ERROR	7	/* local error generated [terminal] */

#define RXRPC_NEW_CALL		8	/* [Server] new incoming call notification */

#define RXRPC_ACCEPT		9	/* [Server] accept request */



/*

 * RxRPC security levels

 */

#define RXRPC_SECURITY_PLAIN	0	/* plain secure-checksummed packets only */

#define RXRPC_SECURITY_AUTH	1	/* authenticated packets */

#define RXRPC_SECURITY_ENCRYPT	2	/* encrypted packets */





#endif /* _LINUX_RXRPC_H */

include/linux/socket.h

+4 −1
Original line number Diff line number Diff line
@@ -188,7 +188,8 @@ struct ucred { 
#define AF_TIPC		30	/* TIPC sockets			*/

#define AF_BLUETOOTH	31	/* Bluetooth sockets 		*/

#define AF_IUCV		32	/* IUCV sockets			*/

#define AF_MAX		33	/* For now.. */

#define AF_RXRPC	33	/* RxRPC sockets 		*/

#define AF_MAX		34	/* For now.. */



/* Protocol families, same as address families. */

#define PF_UNSPEC	AF_UNSPEC
@@ -222,6 +223,7 @@ struct ucred { 
#define PF_TIPC		AF_TIPC

#define PF_BLUETOOTH	AF_BLUETOOTH

#define PF_IUCV		AF_IUCV

#define PF_RXRPC	AF_RXRPC

#define PF_MAX		AF_MAX



/* Maximum queue length specifiable by listen.  */
@@ -284,6 +286,7 @@ struct ucred { 
#define SOL_DCCP	269

#define SOL_NETLINK	270

#define SOL_TIPC	271

#define SOL_RXRPC	272



/* IPX options */

#define IPX_TYPE	1