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Diffstat (limited to 'include/uapi/linux/rxrpc.h')
| -rw-r--r-- | include/uapi/linux/rxrpc.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/include/uapi/linux/rxrpc.h b/include/uapi/linux/rxrpc.h new file mode 100644 index 000000000000..d9735abd4c79 --- /dev/null +++ b/include/uapi/linux/rxrpc.h @@ -0,0 +1,174 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */ +/* Types and definitions for AF_RXRPC. + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#ifndef _UAPI_LINUX_RXRPC_H +#define _UAPI_LINUX_RXRPC_H + +#include <linux/types.h> +#include <linux/in.h> +#include <linux/in6.h> + +/* + * RxRPC socket address + */ +struct sockaddr_rxrpc { + __kernel_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 { + __kernel_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 /* Deprecated; use RXRPC_EXCLUSIVE_CALL instead */ +#define RXRPC_MIN_SECURITY_LEVEL 4 /* minimum security level */ +#define RXRPC_UPGRADEABLE_SERVICE 5 /* Upgrade service[0] -> service[1] */ +#define RXRPC_SUPPORTED_CMSG 6 /* Get highest supported control message type */ +#define RXRPC_MANAGE_RESPONSE 7 /* [clnt] Want to manage RESPONSE packets */ + +/* + * RxRPC control messages + * - If neither abort or accept are specified, the message is a data message. + * - terminal messages mean that a user call ID tag can be recycled + * - C/S/- indicate whether these are applicable to client, server or both + * - s/r/- indicate whether these are applicable to sendmsg() and/or recvmsg() + */ +enum rxrpc_cmsg_type { + RXRPC_USER_CALL_ID = 1, /* -sr: User call ID specifier */ + RXRPC_ABORT = 2, /* -sr: Abort request / notification [terminal] */ + RXRPC_ACK = 3, /* S-r: RPC op final ACK received [terminal] */ + RXRPC_NET_ERROR = 5, /* --r: Network error received [terminal] */ + RXRPC_BUSY = 6, /* C-r: Server busy received [terminal] */ + RXRPC_LOCAL_ERROR = 7, /* --r: Local error generated [terminal] */ + RXRPC_NEW_CALL = 8, /* S-r: New incoming call notification */ + RXRPC_EXCLUSIVE_CALL = 10, /* Cs-: Call should be on exclusive connection */ + RXRPC_UPGRADE_SERVICE = 11, /* Cs-: Request service upgrade for client call */ + RXRPC_TX_LENGTH = 12, /* -s-: Total length of Tx data */ + RXRPC_SET_CALL_TIMEOUT = 13, /* -s-: Set one or more call timeouts */ + RXRPC_CHARGE_ACCEPT = 14, /* Ss-: Charge the accept pool with a user call ID */ + RXRPC_OOB_ID = 15, /* -sr: OOB message ID */ + RXRPC_CHALLENGED = 16, /* C-r: Info on a received CHALLENGE */ + RXRPC_RESPOND = 17, /* Cs-: Respond to a challenge */ + RXRPC_RESPONDED = 18, /* S-r: Data received in RESPONSE */ + RXRPC_RESP_RXGK_APPDATA = 19, /* Cs-: RESPONSE: RxGK app data to include */ + RXRPC__SUPPORTED +}; + +/* + * 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 */ + +/* + * RxRPC security indices + */ +#define RXRPC_SECURITY_NONE 0 /* no security protocol */ +#define RXRPC_SECURITY_RXKAD 2 /* kaserver or kerberos 4 */ +#define RXRPC_SECURITY_RXGK 4 /* gssapi-based */ +#define RXRPC_SECURITY_RXK5 5 /* kerberos 5 */ +#define RXRPC_SECURITY_YFS_RXGK 6 /* YFS gssapi-based */ + +/* + * RxRPC-level abort codes + */ +#define RX_CALL_DEAD -1 /* call/conn has been inactive and is shut down */ +#define RX_INVALID_OPERATION -2 /* invalid operation requested / attempted */ +#define RX_CALL_TIMEOUT -3 /* call timeout exceeded */ +#define RX_EOF -4 /* unexpected end of data on read op */ +#define RX_PROTOCOL_ERROR -5 /* low-level protocol error */ +#define RX_USER_ABORT -6 /* generic user abort */ +#define RX_ADDRINUSE -7 /* UDP port in use */ +#define RX_DEBUGI_BADTYPE -8 /* bad debugging packet type */ + +/* + * (un)marshalling abort codes (rxgen) + */ +#define RXGEN_CC_MARSHAL -450 +#define RXGEN_CC_UNMARSHAL -451 +#define RXGEN_SS_MARSHAL -452 +#define RXGEN_SS_UNMARSHAL -453 +#define RXGEN_DECODE -454 +#define RXGEN_OPCODE -455 +#define RXGEN_SS_XDRFREE -456 +#define RXGEN_CC_XDRFREE -457 + +/* + * Rx kerberos security abort codes + * - unfortunately we have no generalised security abort codes to say things + * like "unsupported security", so we have to use these instead and hope the + * other side understands + */ +#define RXKADINCONSISTENCY 19270400 /* security module structure inconsistent */ +#define RXKADPACKETSHORT 19270401 /* packet too short for security challenge */ +#define RXKADLEVELFAIL 19270402 /* security level negotiation failed */ +#define RXKADTICKETLEN 19270403 /* ticket length too short or too long */ +#define RXKADOUTOFSEQUENCE 19270404 /* packet had bad sequence number */ +#define RXKADNOAUTH 19270405 /* caller not authorised */ +#define RXKADBADKEY 19270406 /* illegal key: bad parity or weak */ +#define RXKADBADTICKET 19270407 /* security object was passed a bad ticket */ +#define RXKADUNKNOWNKEY 19270408 /* ticket contained unknown key version number */ +#define RXKADEXPIRED 19270409 /* authentication expired */ +#define RXKADSEALEDINCON 19270410 /* sealed data inconsistent */ +#define RXKADDATALEN 19270411 /* user data too long */ +#define RXKADILLEGALLEVEL 19270412 /* caller not authorised to use encrypted conns */ + +/* + * RxGK GSSAPI security abort codes. + */ +#if 0 /* Original standard abort codes (used by OpenAFS) */ +#define RXGK_INCONSISTENCY 1233242880 /* Security module structure inconsistent */ +#define RXGK_PACKETSHORT 1233242881 /* Packet too short for security challenge */ +#define RXGK_BADCHALLENGE 1233242882 /* Invalid security challenge */ +#define RXGK_BADETYPE 1233242883 /* Invalid or impermissible encryption type */ +#define RXGK_BADLEVEL 1233242884 /* Invalid or impermissible security level */ +#define RXGK_BADKEYNO 1233242885 /* Key version number not found */ +#define RXGK_EXPIRED 1233242886 /* Token has expired */ +#define RXGK_NOTAUTH 1233242887 /* Caller not authorized */ +#define RXGK_BAD_TOKEN 1233242888 /* Security object was passed a bad token */ +#define RXGK_SEALED_INCON 1233242889 /* Sealed data inconsistent */ +#define RXGK_DATA_LEN 1233242890 /* User data too long */ +#define RXGK_BAD_QOP 1233242891 /* Inadequate quality of protection available */ +#else /* Revised standard abort codes (used by YFS) */ +#define RXGK_INCONSISTENCY 1233242880 /* Security module structure inconsistent */ +#define RXGK_PACKETSHORT 1233242881 /* Packet too short for security challenge */ +#define RXGK_BADCHALLENGE 1233242882 /* Security challenge/response failed */ +#define RXGK_SEALEDINCON 1233242883 /* Sealed data is inconsistent */ +#define RXGK_NOTAUTH 1233242884 /* Caller not authorised */ +#define RXGK_EXPIRED 1233242885 /* Authentication expired */ +#define RXGK_BADLEVEL 1233242886 /* Unsupported or not permitted security level */ +#define RXGK_BADKEYNO 1233242887 /* Bad transport key number */ +#define RXGK_NOTRXGK 1233242888 /* Security layer is not rxgk */ +#define RXGK_UNSUPPORTED 1233242889 /* Endpoint does not support rxgk */ +#define RXGK_GSSERROR 1233242890 /* GSSAPI mechanism error */ +#endif + +/* + * Challenge information in the RXRPC_CHALLENGED control message. + */ +struct rxrpc_challenge { + __u16 service_id; /* The service ID of the connection (may be upgraded) */ + __u8 security_index; /* The security index of the connection */ + __u8 pad; /* Round out to a multiple of 4 bytes. */ + /* ... The security class gets to append extra information ... */ +}; + +struct rxgk_challenge { + struct rxrpc_challenge base; + __u32 enctype; /* Krb5 encoding type */ +}; + +#endif /* _UAPI_LINUX_RXRPC_H */ |