lustre/ptlrpc/gss/gss_krb5.h

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  *
   4  * Modifications for Lustre
   5  *
   6  * Copyright  2008 Sun Microsystems, Inc. All rights reserved
   7  *
   8  * Author: Eric Mei <ericm@clusterfs.com>
   9  */
  10
  11 /*
  12  *  linux/include/linux/sunrpc/gss_krb5_types.h
  13  *
  14  *  Adapted from MIT Kerberos 5-1.2.1 lib/include/krb5.h,
  15  *  lib/gssapi/krb5/gssapiP_krb5.h, and others
  16  *
  17  *  Copyright (c) 2000 The Regents of the University of Michigan.
  18  *  All rights reserved.
  19  *
  20  *  Andy Adamson   <andros@umich.edu>
  21  *  Bruce Fields   <bfields@umich.edu>
  22  */
  23
  24 /*
  25  * Copyright 1995 by the Massachusetts Institute of Technology.
  26  * All Rights Reserved.
  27  *
  28  * Export of this software from the United States of America may
  29  *   require a specific license from the United States Government.
  30  *   It is the responsibility of any person or organization contemplating
  31  *   export to obtain such a license before exporting.
  32  *
  33  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
  34  * distribute this software and its documentation for any purpose and
  35  * without fee is hereby granted, provided that the above copyright
  36  * notice appear in all copies and that both that copyright notice and
  37  * this permission notice appear in supporting documentation, and that
  38  * the name of M.I.T. not be used in advertising or publicity pertaining
  39  * to distribution of the software without specific, written prior
  40  * permission.  Furthermore if you modify this software you must label
  41  * your software as modified software and not distribute it in such a
  42  * fashion that it might be confused with the original M.I.T. software.
  43  * M.I.T. makes no representations about the suitability of
  44  * this software for any purpose.  It is provided "as is" without express
  45  * or implied warranty.
  46  *
  47  */
  48
  49 #ifndef PTLRPC_GSS_KRB5_H
  50 #define PTLRPC_GSS_KRB5_H
  51
  52 extern spinlock_t krb5_seq_lock;
  53
  54 /*
  55  * RFC 4142
  56  */
  57
  58 #define KG_USAGE_ACCEPTOR_SEAL          22
  59 #define KG_USAGE_ACCEPTOR_SIGN          23
  60 #define KG_USAGE_INITIATOR_SEAL         24
  61 #define KG_USAGE_INITIATOR_SIGN         25
  62
  63 #define KG_TOK_MIC_MSG                  0x0404
  64 #define KG_TOK_WRAP_MSG                 0x0504
  65
  66 #define FLAG_SENDER_IS_ACCEPTOR         0x01
  67 #define FLAG_WRAP_CONFIDENTIAL          0x02
  68 #define FLAG_ACCEPTOR_SUBKEY            0x04
  69
  70 struct krb5_header {
  71         __u16           kh_tok_id;      /* token id */
  72         __u8            kh_flags;       /* acceptor flags */
  73         __u8            kh_filler;      /* 0xff */
  74         __u16           kh_ec;          /* extra count */
  75         __u16           kh_rrc;         /* right rotation count */
  76         __u64           kh_seq;         /* sequence number */
  77         __u8            kh_cksum[0];    /* checksum */
  78 };
  79
  80 struct krb5_keyblock {
  81         rawobj_t                 kb_key;
  82         struct ll_crypto_cipher *kb_tfm;
  83 };
  84
  85 struct krb5_ctx {
  86         unsigned int            kc_initiate:1,
  87                                 kc_cfx:1,
  88                                 kc_seed_init:1,
  89                                 kc_have_acceptor_subkey:1;
  90         __s32                   kc_endtime;
  91         __u8                    kc_seed[16];
  92         __u64                   kc_seq_send;
  93         __u64                   kc_seq_recv;
  94         __u32                   kc_enctype;
  95         struct krb5_keyblock    kc_keye;        /* encryption */
  96         struct krb5_keyblock    kc_keyi;        /* integrity */
  97         struct krb5_keyblock    kc_keyc;        /* checksum */
  98         rawobj_t                kc_mech_used;
  99 };
 100
 101 enum sgn_alg {
 102         SGN_ALG_DES_MAC_MD5           = 0x0000,
 103         SGN_ALG_MD2_5                 = 0x0001,
 104         SGN_ALG_DES_MAC               = 0x0002,
 105         SGN_ALG_3                     = 0x0003, /* not published */
 106         SGN_ALG_HMAC_MD5              = 0x0011, /* microsoft w2k; no support */
 107         SGN_ALG_HMAC_SHA1_DES3_KD     = 0x0004
 108 };
 109
 110 enum seal_alg {
 111         SEAL_ALG_NONE                 = 0xffff,
 112         SEAL_ALG_DES                  = 0x0000,
 113         SEAL_ALG_1                    = 0x0001, /* not published */
 114         SEAL_ALG_MICROSOFT_RC4        = 0x0010, /* microsoft w2k; no support */
 115         SEAL_ALG_DES3KD               = 0x0002
 116 };
 117
 118 #define CKSUMTYPE_CRC32                 0x0001
 119 #define CKSUMTYPE_RSA_MD4               0x0002
 120 #define CKSUMTYPE_RSA_MD4_DES           0x0003
 121 #define CKSUMTYPE_DESCBC                0x0004
 122 /* des-mac-k */
 123 /* rsa-md4-des-k */
 124 #define CKSUMTYPE_RSA_MD5               0x0007
 125 #define CKSUMTYPE_RSA_MD5_DES           0x0008
 126 #define CKSUMTYPE_NIST_SHA              0x0009
 127 #define CKSUMTYPE_HMAC_SHA1_DES3        0x000c
 128 #define CKSUMTYPE_HMAC_SHA1_96_AES128   0x000f
 129 #define CKSUMTYPE_HMAC_SHA1_96_AES256   0x0010
 130 #define CKSUMTYPE_HMAC_MD5_ARCFOUR      -138
 131
 132 /* from gssapi_err_krb5.h */
 133 #define KG_CCACHE_NOMATCH                        (39756032L)
 134 #define KG_KEYTAB_NOMATCH                        (39756033L)
 135 #define KG_TGT_MISSING                           (39756034L)
 136 #define KG_NO_SUBKEY                             (39756035L)
 137 #define KG_CONTEXT_ESTABLISHED                   (39756036L)
 138 #define KG_BAD_SIGN_TYPE                         (39756037L)
 139 #define KG_BAD_LENGTH                            (39756038L)
 140 #define KG_CTX_INCOMPLETE                        (39756039L)
 141 #define KG_CONTEXT                               (39756040L)
 142 #define KG_CRED                                  (39756041L)
 143 #define KG_ENC_DESC                              (39756042L)
 144 #define KG_BAD_SEQ                               (39756043L)
 145 #define KG_EMPTY_CCACHE                          (39756044L)
 146 #define KG_NO_CTYPES                             (39756045L)
 147
 148 /* per Kerberos v5 protocol spec crypto types from the wire.
 149  * these get mapped to linux kernel crypto routines.
 150  */
 151 #define ENCTYPE_NULL            0x0000
 152 #define ENCTYPE_DES_CBC_CRC     0x0001        /* DES cbc mode with CRC-32 */
 153 #define ENCTYPE_DES_CBC_MD4     0x0002        /* DES cbc mode with RSA-MD4 */
 154 #define ENCTYPE_DES_CBC_MD5     0x0003        /* DES cbc mode with RSA-MD5 */
 155 #define ENCTYPE_DES_CBC_RAW     0x0004        /* DES cbc mode raw */
 156 /* XXX deprecated? */
 157 #define ENCTYPE_DES3_CBC_SHA    0x0005        /* DES-3 cbc mode with NIST-SHA */
 158 #define ENCTYPE_DES3_CBC_RAW    0x0006        /* DES-3 cbc mode raw */
 159 #define ENCTYPE_DES_HMAC_SHA1   0x0008
 160 #define ENCTYPE_DES3_CBC_SHA1   0x0010
 161 #define ENCTYPE_AES128_CTS_HMAC_SHA1_96 0x0011
 162 #define ENCTYPE_AES256_CTS_HMAC_SHA1_96 0x0012
 163 #define ENCTYPE_ARCFOUR_HMAC    0x0017
 164 #define ENCTYPE_ARCFOUR_HMAC_EXP 0x0018
 165 #define ENCTYPE_UNKNOWN         0x01ff
 166
 167 #endif /* PTLRPC_GSS_KRB5_H */