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Rev | Author | Line No. | Line |
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423 | giacomo | 1 | /* |
2 | * linux/include/linux/sunrpc/gss_krb5_types.h |
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3 | * |
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4 | * Adapted from MIT Kerberos 5-1.2.1 lib/include/krb5.h, |
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5 | * lib/gssapi/krb5/gssapiP_krb5.h, and others |
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6 | * |
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7 | * Copyright (c) 2000 The Regents of the University of Michigan. |
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8 | * All rights reserved. |
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9 | * |
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10 | * Andy Adamson <andros@umich.edu> |
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11 | * Bruce Fields <bfields@umich.edu> |
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12 | */ |
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13 | |||
14 | /* |
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15 | * Copyright 1995 by the Massachusetts Institute of Technology. |
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16 | * All Rights Reserved. |
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17 | * |
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18 | * Export of this software from the United States of America may |
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19 | * require a specific license from the United States Government. |
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20 | * It is the responsibility of any person or organization contemplating |
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21 | * export to obtain such a license before exporting. |
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22 | * |
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23 | * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and |
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24 | * distribute this software and its documentation for any purpose and |
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25 | * without fee is hereby granted, provided that the above copyright |
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26 | * notice appear in all copies and that both that copyright notice and |
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27 | * this permission notice appear in supporting documentation, and that |
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28 | * the name of M.I.T. not be used in advertising or publicity pertaining |
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29 | * to distribution of the software without specific, written prior |
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30 | * permission. Furthermore if you modify this software you must label |
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31 | * your software as modified software and not distribute it in such a |
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32 | * fashion that it might be confused with the original M.I.T. software. |
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33 | * M.I.T. makes no representations about the suitability of |
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34 | * this software for any purpose. It is provided "as is" without express |
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35 | * or implied warranty. |
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36 | * |
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37 | */ |
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38 | |||
39 | #include <linux/sunrpc/auth_gss.h> |
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40 | #include <linux/sunrpc/gss_err.h> |
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41 | #include <linux/sunrpc/gss_asn1.h> |
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42 | |||
43 | struct krb5_ctx { |
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44 | int initiate; /* 1 = initiating, 0 = accepting */ |
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45 | int seed_init; |
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46 | unsigned char seed[16]; |
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47 | int signalg; |
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48 | int sealalg; |
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49 | struct crypto_tfm *enc; |
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50 | struct crypto_tfm *seq; |
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51 | s32 endtime; |
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52 | u32 seq_send; |
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53 | u32 seq_recv; |
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54 | struct xdr_netobj mech_used; |
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55 | }; |
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56 | |||
57 | #define KG_TOK_MIC_MSG 0x0101 |
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58 | #define KG_TOK_WRAP_MSG 0x0201 |
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59 | |||
60 | enum sgn_alg { |
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61 | SGN_ALG_DES_MAC_MD5 = 0x0000, |
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62 | SGN_ALG_MD2_5 = 0x0001, |
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63 | SGN_ALG_DES_MAC = 0x0002, |
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64 | SGN_ALG_3 = 0x0003, /* not published */ |
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65 | SGN_ALG_HMAC_MD5 = 0x0011, /* microsoft w2k; no support */ |
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66 | SGN_ALG_HMAC_SHA1_DES3_KD = 0x0004 |
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67 | }; |
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68 | enum seal_alg { |
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69 | SEAL_ALG_NONE = 0xffff, |
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70 | SEAL_ALG_DES = 0x0000, |
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71 | SEAL_ALG_1 = 0x0001, /* not published */ |
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72 | SEAL_ALG_MICROSOFT_RC4 = 0x0010,/* microsoft w2k; no support */ |
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73 | SEAL_ALG_DES3KD = 0x0002 |
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74 | }; |
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75 | |||
76 | #define RSA_MD5_CKSUM_LENGTH 16 |
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77 | |||
78 | #define CKSUMTYPE_CRC32 0x0001 |
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79 | #define CKSUMTYPE_RSA_MD4 0x0002 |
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80 | #define CKSUMTYPE_RSA_MD4_DES 0x0003 |
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81 | #define CKSUMTYPE_DESCBC 0x0004 |
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82 | #define CKSUMTYPE_RSA_MD5 0x0007 |
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83 | #define CKSUMTYPE_RSA_MD5_DES 0x0008 |
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84 | #define CKSUMTYPE_NIST_SHA 0x0009 |
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85 | #define CKSUMTYPE_HMAC_SHA1_DES3 0x000c |
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86 | |||
87 | /* from gssapi_err_krb5.h */ |
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88 | #define KG_CCACHE_NOMATCH (39756032L) |
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89 | #define KG_KEYTAB_NOMATCH (39756033L) |
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90 | #define KG_TGT_MISSING (39756034L) |
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91 | #define KG_NO_SUBKEY (39756035L) |
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92 | #define KG_CONTEXT_ESTABLISHED (39756036L) |
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93 | #define KG_BAD_SIGN_TYPE (39756037L) |
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94 | #define KG_BAD_LENGTH (39756038L) |
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95 | #define KG_CTX_INCOMPLETE (39756039L) |
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96 | #define KG_CONTEXT (39756040L) |
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97 | #define KG_CRED (39756041L) |
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98 | #define KG_ENC_DESC (39756042L) |
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99 | #define KG_BAD_SEQ (39756043L) |
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100 | #define KG_EMPTY_CCACHE (39756044L) |
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101 | #define KG_NO_CTYPES (39756045L) |
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102 | |||
103 | #define KV5M_PRINCIPAL (-1760647423L) |
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104 | #define KV5M_KEYBLOCK (-1760647421L) |
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105 | #define KV5M_CHECKSUM (-1760647420L) |
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106 | #define KV5M_ADDRESS (-1760647390L) |
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107 | #define KV5M_AUTHENTICATOR (-1760647410L) |
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108 | #define KV5M_AUTH_CONTEXT (-1760647383L) |
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109 | #define KV5M_AUTHDATA (-1760647414L) |
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110 | #define KV5M_GSS_OID (-1760647372L) |
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111 | #define KV5M_GSS_QUEUE (-1760647371L) |
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112 | |||
113 | /* per Kerberos v5 protocol spec crypto types from the wire. |
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114 | * these get mapped to linux kernel crypto routines. |
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115 | */ |
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116 | #define ENCTYPE_NULL 0x0000 |
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117 | #define ENCTYPE_DES_CBC_CRC 0x0001 /* DES cbc mode with CRC-32 */ |
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118 | #define ENCTYPE_DES_CBC_MD4 0x0002 /* DES cbc mode with RSA-MD4 */ |
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119 | #define ENCTYPE_DES_CBC_MD5 0x0003 /* DES cbc mode with RSA-MD5 */ |
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120 | #define ENCTYPE_DES_CBC_RAW 0x0004 /* DES cbc mode raw */ |
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121 | /* XXX deprecated? */ |
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122 | #define ENCTYPE_DES3_CBC_SHA 0x0005 /* DES-3 cbc mode with NIST-SHA */ |
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123 | #define ENCTYPE_DES3_CBC_RAW 0x0006 /* DES-3 cbc mode raw */ |
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124 | #define ENCTYPE_DES_HMAC_SHA1 0x0008 |
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125 | #define ENCTYPE_DES3_CBC_SHA1 0x0010 |
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126 | #define ENCTYPE_UNKNOWN 0x01ff |
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127 | |||
128 | s32 |
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129 | krb5_make_checksum(s32 cksumtype, |
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130 | struct xdr_netobj *input, |
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131 | struct xdr_netobj *cksum); |
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132 | |||
133 | u32 |
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134 | krb5_make_token(struct krb5_ctx *context_handle, int qop_req, |
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135 | struct xdr_netobj * input_message_buffer, |
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136 | struct xdr_netobj * output_message_buffer, int toktype); |
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137 | |||
138 | u32 |
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139 | krb5_read_token(struct krb5_ctx *context_handle, |
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140 | struct xdr_netobj *input_token_buffer, |
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141 | struct xdr_netobj *message_buffer, |
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142 | int *qop_state, int toktype); |
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143 | |||
144 | u32 |
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145 | krb5_encrypt(struct crypto_tfm * key, |
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146 | void *iv, void *in, void *out, int length); |
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147 | |||
148 | u32 |
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149 | krb5_decrypt(struct crypto_tfm * key, |
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150 | void *iv, void *in, void *out, int length); |
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151 | |||
152 | s32 |
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153 | krb5_make_seq_num(struct crypto_tfm * key, |
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154 | int direction, |
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155 | s32 seqnum, unsigned char *cksum, unsigned char *buf); |
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156 | |||
157 | s32 |
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158 | krb5_get_seq_num(struct crypto_tfm * key, |
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159 | unsigned char *cksum, |
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160 | unsigned char *buf, int *direction, s32 * seqnum); |