131 lines
4.0 KiB
C
131 lines
4.0 KiB
C
/* 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;
|
|
|
|
extern struct key *rxrpc_get_null_key(const char *);
|
|
|
|
/*
|
|
* RxRPC key for Kerberos IV (type-2 security)
|
|
*/
|
|
struct rxkad_key {
|
|
u32 vice_id;
|
|
u32 start; /* time at which ticket starts */
|
|
u32 expiry; /* time at which ticket expires */
|
|
u32 kvno; /* key version number */
|
|
u8 primary_flag; /* T if key for primary cell for this user */
|
|
u16 ticket_len; /* length of ticket[] */
|
|
u8 session_key[8]; /* DES session key */
|
|
u8 ticket[0]; /* the encrypted ticket */
|
|
};
|
|
|
|
/*
|
|
* Kerberos 5 principal
|
|
* name/name/name@realm
|
|
*/
|
|
struct krb5_principal {
|
|
u8 n_name_parts; /* N of parts of the name part of the principal */
|
|
char **name_parts; /* parts of the name part of the principal */
|
|
char *realm; /* parts of the realm part of the principal */
|
|
};
|
|
|
|
/*
|
|
* Kerberos 5 tagged data
|
|
*/
|
|
struct krb5_tagged_data {
|
|
/* for tag value, see /usr/include/krb5/krb5.h
|
|
* - KRB5_AUTHDATA_* for auth data
|
|
* -
|
|
*/
|
|
s32 tag;
|
|
u32 data_len;
|
|
u8 *data;
|
|
};
|
|
|
|
/*
|
|
* RxRPC key for Kerberos V (type-5 security)
|
|
*/
|
|
struct rxk5_key {
|
|
u64 authtime; /* time at which auth token generated */
|
|
u64 starttime; /* time at which auth token starts */
|
|
u64 endtime; /* time at which auth token expired */
|
|
u64 renew_till; /* time to which auth token can be renewed */
|
|
s32 is_skey; /* T if ticket is encrypted in another ticket's
|
|
* skey */
|
|
s32 flags; /* mask of TKT_FLG_* bits (krb5/krb5.h) */
|
|
struct krb5_principal client; /* client principal name */
|
|
struct krb5_principal server; /* server principal name */
|
|
u16 ticket_len; /* length of ticket */
|
|
u16 ticket2_len; /* length of second ticket */
|
|
u8 n_authdata; /* number of authorisation data elements */
|
|
u8 n_addresses; /* number of addresses */
|
|
struct krb5_tagged_data session; /* session data; tag is enctype */
|
|
struct krb5_tagged_data *addresses; /* addresses */
|
|
u8 *ticket; /* krb5 ticket */
|
|
u8 *ticket2; /* second krb5 ticket, if related to ticket (via
|
|
* DUPLICATE-SKEY or ENC-TKT-IN-SKEY) */
|
|
struct krb5_tagged_data *authdata; /* authorisation data */
|
|
};
|
|
|
|
/*
|
|
* list of tokens attached to an rxrpc key
|
|
*/
|
|
struct rxrpc_key_token {
|
|
u16 security_index; /* RxRPC header security index */
|
|
struct rxrpc_key_token *next; /* the next token in the list */
|
|
union {
|
|
struct rxkad_key *kad;
|
|
struct rxk5_key *k5;
|
|
};
|
|
};
|
|
|
|
/*
|
|
* structure of raw payloads passed to add_key() or instantiate key
|
|
*/
|
|
struct rxrpc_key_data_v1 {
|
|
u16 security_index;
|
|
u16 ticket_length;
|
|
u32 expiry; /* time_t */
|
|
u32 kvno;
|
|
u8 session_key[8];
|
|
u8 ticket[0];
|
|
};
|
|
|
|
/*
|
|
* AF_RXRPC key payload derived from XDR format
|
|
* - based on openafs-1.4.10/src/auth/afs_token.xg
|
|
*/
|
|
#define AFSTOKEN_LENGTH_MAX 16384 /* max payload size */
|
|
#define AFSTOKEN_STRING_MAX 256 /* max small string length */
|
|
#define AFSTOKEN_DATA_MAX 64 /* max small data length */
|
|
#define AFSTOKEN_CELL_MAX 64 /* max cellname length */
|
|
#define AFSTOKEN_MAX 8 /* max tokens per payload */
|
|
#define AFSTOKEN_BDATALN_MAX 16384 /* max big data length */
|
|
#define AFSTOKEN_RK_TIX_MAX 12000 /* max RxKAD ticket size */
|
|
#define AFSTOKEN_GK_KEY_MAX 64 /* max GSSAPI key size */
|
|
#define AFSTOKEN_GK_TOKEN_MAX 16384 /* max GSSAPI token size */
|
|
#define AFSTOKEN_K5_COMPONENTS_MAX 16 /* max K5 components */
|
|
#define AFSTOKEN_K5_NAME_MAX 128 /* max K5 name length */
|
|
#define AFSTOKEN_K5_REALM_MAX 64 /* max K5 realm name length */
|
|
#define AFSTOKEN_K5_TIX_MAX 16384 /* max K5 ticket size */
|
|
#define AFSTOKEN_K5_ADDRESSES_MAX 16 /* max K5 addresses */
|
|
#define AFSTOKEN_K5_AUTHDATA_MAX 16 /* max K5 pieces of auth data */
|
|
|
|
#endif /* _KEYS_RXRPC_TYPE_H */
|