122 lines
4.8 KiB
C
122 lines
4.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */
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/* Types and definitions for AF_RXRPC.
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#ifndef _UAPI_LINUX_RXRPC_H
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#define _UAPI_LINUX_RXRPC_H
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#include <linux/types.h>
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#include <linux/in.h>
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#include <linux/in6.h>
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/*
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* RxRPC socket address
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*/
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struct sockaddr_rxrpc {
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__kernel_sa_family_t srx_family; /* address family */
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__u16 srx_service; /* service desired */
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__u16 transport_type; /* type of transport socket (SOCK_DGRAM) */
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__u16 transport_len; /* length of transport address */
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union {
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__kernel_sa_family_t family; /* transport address family */
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struct sockaddr_in sin; /* IPv4 transport address */
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struct sockaddr_in6 sin6; /* IPv6 transport address */
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} transport;
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};
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/*
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* RxRPC socket options
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*/
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#define RXRPC_SECURITY_KEY 1 /* [clnt] set client security key */
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#define RXRPC_SECURITY_KEYRING 2 /* [srvr] set ring of server security keys */
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#define RXRPC_EXCLUSIVE_CONNECTION 3 /* Deprecated; use RXRPC_EXCLUSIVE_CALL instead */
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#define RXRPC_MIN_SECURITY_LEVEL 4 /* minimum security level */
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#define RXRPC_UPGRADEABLE_SERVICE 5 /* Upgrade service[0] -> service[1] */
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#define RXRPC_SUPPORTED_CMSG 6 /* Get highest supported control message type */
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/*
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* RxRPC control messages
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* - If neither abort or accept are specified, the message is a data message.
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* - terminal messages mean that a user call ID tag can be recycled
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* - s/r/- indicate whether these are applicable to sendmsg() and/or recvmsg()
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*/
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enum rxrpc_cmsg_type {
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RXRPC_USER_CALL_ID = 1, /* sr: user call ID specifier */
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RXRPC_ABORT = 2, /* sr: abort request / notification [terminal] */
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RXRPC_ACK = 3, /* -r: [Service] RPC op final ACK received [terminal] */
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RXRPC_NET_ERROR = 5, /* -r: network error received [terminal] */
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RXRPC_BUSY = 6, /* -r: server busy received [terminal] */
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RXRPC_LOCAL_ERROR = 7, /* -r: local error generated [terminal] */
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RXRPC_NEW_CALL = 8, /* -r: [Service] new incoming call notification */
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RXRPC_ACCEPT = 9, /* s-: [Service] accept request */
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RXRPC_EXCLUSIVE_CALL = 10, /* s-: Call should be on exclusive connection */
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RXRPC_UPGRADE_SERVICE = 11, /* s-: Request service upgrade for client call */
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RXRPC_TX_LENGTH = 12, /* s-: Total length of Tx data */
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RXRPC_SET_CALL_TIMEOUT = 13, /* s-: Set one or more call timeouts */
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RXRPC__SUPPORTED
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};
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/*
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* RxRPC security levels
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*/
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#define RXRPC_SECURITY_PLAIN 0 /* plain secure-checksummed packets only */
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#define RXRPC_SECURITY_AUTH 1 /* authenticated packets */
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#define RXRPC_SECURITY_ENCRYPT 2 /* encrypted packets */
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/*
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* RxRPC security indices
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*/
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#define RXRPC_SECURITY_NONE 0 /* no security protocol */
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#define RXRPC_SECURITY_RXKAD 2 /* kaserver or kerberos 4 */
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#define RXRPC_SECURITY_RXGK 4 /* gssapi-based */
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#define RXRPC_SECURITY_RXK5 5 /* kerberos 5 */
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/*
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* RxRPC-level abort codes
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*/
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#define RX_CALL_DEAD -1 /* call/conn has been inactive and is shut down */
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#define RX_INVALID_OPERATION -2 /* invalid operation requested / attempted */
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#define RX_CALL_TIMEOUT -3 /* call timeout exceeded */
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#define RX_EOF -4 /* unexpected end of data on read op */
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#define RX_PROTOCOL_ERROR -5 /* low-level protocol error */
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#define RX_USER_ABORT -6 /* generic user abort */
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#define RX_ADDRINUSE -7 /* UDP port in use */
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#define RX_DEBUGI_BADTYPE -8 /* bad debugging packet type */
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/*
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* (un)marshalling abort codes (rxgen)
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*/
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#define RXGEN_CC_MARSHAL -450
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#define RXGEN_CC_UNMARSHAL -451
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#define RXGEN_SS_MARSHAL -452
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#define RXGEN_SS_UNMARSHAL -453
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#define RXGEN_DECODE -454
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#define RXGEN_OPCODE -455
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#define RXGEN_SS_XDRFREE -456
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#define RXGEN_CC_XDRFREE -457
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/*
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* Rx kerberos security abort codes
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* - unfortunately we have no generalised security abort codes to say things
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* like "unsupported security", so we have to use these instead and hope the
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* other side understands
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*/
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#define RXKADINCONSISTENCY 19270400 /* security module structure inconsistent */
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#define RXKADPACKETSHORT 19270401 /* packet too short for security challenge */
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#define RXKADLEVELFAIL 19270402 /* security level negotiation failed */
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#define RXKADTICKETLEN 19270403 /* ticket length too short or too long */
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#define RXKADOUTOFSEQUENCE 19270404 /* packet had bad sequence number */
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#define RXKADNOAUTH 19270405 /* caller not authorised */
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#define RXKADBADKEY 19270406 /* illegal key: bad parity or weak */
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#define RXKADBADTICKET 19270407 /* security object was passed a bad ticket */
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#define RXKADUNKNOWNKEY 19270408 /* ticket contained unknown key version number */
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#define RXKADEXPIRED 19270409 /* authentication expired */
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#define RXKADSEALEDINCON 19270410 /* sealed data inconsistent */
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#define RXKADDATALEN 19270411 /* user data too long */
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#define RXKADILLEGALLEVEL 19270412 /* caller not authorised to use encrypted conns */
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#endif /* _UAPI_LINUX_RXRPC_H */
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