Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/include/linux/sunrpc/gss_krb5_types.h |
| 3 | * |
| 4 | * Adapted from MIT Kerberos 5-1.2.1 lib/include/krb5.h, |
| 5 | * lib/gssapi/krb5/gssapiP_krb5.h, and others |
| 6 | * |
| 7 | * Copyright (c) 2000 The Regents of the University of Michigan. |
| 8 | * All rights reserved. |
| 9 | * |
| 10 | * Andy Adamson <andros@umich.edu> |
| 11 | * Bruce Fields <bfields@umich.edu> |
| 12 | */ |
| 13 | |
| 14 | /* |
| 15 | * Copyright 1995 by the Massachusetts Institute of Technology. |
| 16 | * All Rights Reserved. |
| 17 | * |
| 18 | * Export of this software from the United States of America may |
| 19 | * require a specific license from the United States Government. |
| 20 | * It is the responsibility of any person or organization contemplating |
| 21 | * export to obtain such a license before exporting. |
| 22 | * |
| 23 | * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and |
| 24 | * distribute this software and its documentation for any purpose and |
| 25 | * without fee is hereby granted, provided that the above copyright |
| 26 | * notice appear in all copies and that both that copyright notice and |
| 27 | * this permission notice appear in supporting documentation, and that |
| 28 | * the name of M.I.T. not be used in advertising or publicity pertaining |
| 29 | * to distribution of the software without specific, written prior |
| 30 | * permission. Furthermore if you modify this software you must label |
| 31 | * your software as modified software and not distribute it in such a |
| 32 | * fashion that it might be confused with the original M.I.T. software. |
| 33 | * M.I.T. makes no representations about the suitability of |
| 34 | * this software for any purpose. It is provided "as is" without express |
| 35 | * or implied warranty. |
| 36 | * |
| 37 | */ |
| 38 | |
| 39 | #include <linux/sunrpc/auth_gss.h> |
| 40 | #include <linux/sunrpc/gss_err.h> |
| 41 | #include <linux/sunrpc/gss_asn1.h> |
| 42 | |
| 43 | struct krb5_ctx { |
| 44 | int initiate; /* 1 = initiating, 0 = accepting */ |
Herbert Xu | 378c669 | 2006-08-22 20:33:54 +1000 | [diff] [blame] | 45 | struct crypto_blkcipher *enc; |
| 46 | struct crypto_blkcipher *seq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | s32 endtime; |
| 48 | u32 seq_send; |
| 49 | struct xdr_netobj mech_used; |
| 50 | }; |
| 51 | |
J. Bruce Fields | eaa82ed | 2006-03-20 23:24:04 -0500 | [diff] [blame] | 52 | extern spinlock_t krb5_seq_lock; |
| 53 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | #define KG_TOK_MIC_MSG 0x0101 |
| 55 | #define KG_TOK_WRAP_MSG 0x0201 |
| 56 | |
| 57 | enum sgn_alg { |
| 58 | SGN_ALG_DES_MAC_MD5 = 0x0000, |
| 59 | SGN_ALG_MD2_5 = 0x0001, |
| 60 | SGN_ALG_DES_MAC = 0x0002, |
| 61 | SGN_ALG_3 = 0x0003, /* not published */ |
| 62 | SGN_ALG_HMAC_MD5 = 0x0011, /* microsoft w2k; no support */ |
| 63 | SGN_ALG_HMAC_SHA1_DES3_KD = 0x0004 |
| 64 | }; |
| 65 | enum seal_alg { |
| 66 | SEAL_ALG_NONE = 0xffff, |
| 67 | SEAL_ALG_DES = 0x0000, |
| 68 | SEAL_ALG_1 = 0x0001, /* not published */ |
| 69 | SEAL_ALG_MICROSOFT_RC4 = 0x0010,/* microsoft w2k; no support */ |
| 70 | SEAL_ALG_DES3KD = 0x0002 |
| 71 | }; |
| 72 | |
| 73 | #define KRB5_CKSUM_LENGTH 8 |
| 74 | |
| 75 | #define CKSUMTYPE_CRC32 0x0001 |
| 76 | #define CKSUMTYPE_RSA_MD4 0x0002 |
| 77 | #define CKSUMTYPE_RSA_MD4_DES 0x0003 |
| 78 | #define CKSUMTYPE_DESCBC 0x0004 |
| 79 | #define CKSUMTYPE_RSA_MD5 0x0007 |
| 80 | #define CKSUMTYPE_RSA_MD5_DES 0x0008 |
| 81 | #define CKSUMTYPE_NIST_SHA 0x0009 |
| 82 | #define CKSUMTYPE_HMAC_SHA1_DES3 0x000c |
| 83 | |
| 84 | /* from gssapi_err_krb5.h */ |
| 85 | #define KG_CCACHE_NOMATCH (39756032L) |
| 86 | #define KG_KEYTAB_NOMATCH (39756033L) |
| 87 | #define KG_TGT_MISSING (39756034L) |
| 88 | #define KG_NO_SUBKEY (39756035L) |
| 89 | #define KG_CONTEXT_ESTABLISHED (39756036L) |
| 90 | #define KG_BAD_SIGN_TYPE (39756037L) |
| 91 | #define KG_BAD_LENGTH (39756038L) |
| 92 | #define KG_CTX_INCOMPLETE (39756039L) |
| 93 | #define KG_CONTEXT (39756040L) |
| 94 | #define KG_CRED (39756041L) |
| 95 | #define KG_ENC_DESC (39756042L) |
| 96 | #define KG_BAD_SEQ (39756043L) |
| 97 | #define KG_EMPTY_CCACHE (39756044L) |
| 98 | #define KG_NO_CTYPES (39756045L) |
| 99 | |
| 100 | /* per Kerberos v5 protocol spec crypto types from the wire. |
| 101 | * these get mapped to linux kernel crypto routines. |
| 102 | */ |
| 103 | #define ENCTYPE_NULL 0x0000 |
| 104 | #define ENCTYPE_DES_CBC_CRC 0x0001 /* DES cbc mode with CRC-32 */ |
| 105 | #define ENCTYPE_DES_CBC_MD4 0x0002 /* DES cbc mode with RSA-MD4 */ |
| 106 | #define ENCTYPE_DES_CBC_MD5 0x0003 /* DES cbc mode with RSA-MD5 */ |
| 107 | #define ENCTYPE_DES_CBC_RAW 0x0004 /* DES cbc mode raw */ |
| 108 | /* XXX deprecated? */ |
| 109 | #define ENCTYPE_DES3_CBC_SHA 0x0005 /* DES-3 cbc mode with NIST-SHA */ |
| 110 | #define ENCTYPE_DES3_CBC_RAW 0x0006 /* DES-3 cbc mode raw */ |
| 111 | #define ENCTYPE_DES_HMAC_SHA1 0x0008 |
| 112 | #define ENCTYPE_DES3_CBC_SHA1 0x0010 |
| 113 | #define ENCTYPE_UNKNOWN 0x01ff |
| 114 | |
| 115 | s32 |
J. Bruce Fields | ca54f89 | 2006-12-04 20:22:38 -0500 | [diff] [blame] | 116 | make_checksum(char *, char *header, int hdrlen, struct xdr_buf *body, |
J. Bruce Fields | 14ae162 | 2005-10-13 16:55:13 -0400 | [diff] [blame] | 117 | int body_offset, struct xdr_netobj *cksum); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | |
J. Bruce Fields | a0857d0 | 2005-10-13 16:55:23 -0400 | [diff] [blame] | 119 | u32 gss_get_mic_kerberos(struct gss_ctx *, struct xdr_buf *, |
| 120 | struct xdr_netobj *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | |
J. Bruce Fields | a0857d0 | 2005-10-13 16:55:23 -0400 | [diff] [blame] | 122 | u32 gss_verify_mic_kerberos(struct gss_ctx *, struct xdr_buf *, |
| 123 | struct xdr_netobj *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | |
| 125 | u32 |
J. Bruce Fields | 00fd6e1 | 2005-10-13 16:55:18 -0400 | [diff] [blame] | 126 | gss_wrap_kerberos(struct gss_ctx *ctx_id, int offset, |
J. Bruce Fields | 14ae162 | 2005-10-13 16:55:13 -0400 | [diff] [blame] | 127 | struct xdr_buf *outbuf, struct page **pages); |
| 128 | |
| 129 | u32 |
J. Bruce Fields | 00fd6e1 | 2005-10-13 16:55:18 -0400 | [diff] [blame] | 130 | gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset, |
J. Bruce Fields | 14ae162 | 2005-10-13 16:55:13 -0400 | [diff] [blame] | 131 | struct xdr_buf *buf); |
| 132 | |
| 133 | |
| 134 | u32 |
Herbert Xu | 378c669 | 2006-08-22 20:33:54 +1000 | [diff] [blame] | 135 | krb5_encrypt(struct crypto_blkcipher *key, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | void *iv, void *in, void *out, int length); |
| 137 | |
| 138 | u32 |
Herbert Xu | 378c669 | 2006-08-22 20:33:54 +1000 | [diff] [blame] | 139 | krb5_decrypt(struct crypto_blkcipher *key, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | void *iv, void *in, void *out, int length); |
| 141 | |
J. Bruce Fields | 14ae162 | 2005-10-13 16:55:13 -0400 | [diff] [blame] | 142 | int |
Herbert Xu | 378c669 | 2006-08-22 20:33:54 +1000 | [diff] [blame] | 143 | gss_encrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *outbuf, |
| 144 | int offset, struct page **pages); |
J. Bruce Fields | 14ae162 | 2005-10-13 16:55:13 -0400 | [diff] [blame] | 145 | |
| 146 | int |
Herbert Xu | 378c669 | 2006-08-22 20:33:54 +1000 | [diff] [blame] | 147 | gss_decrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *inbuf, |
| 148 | int offset); |
J. Bruce Fields | 14ae162 | 2005-10-13 16:55:13 -0400 | [diff] [blame] | 149 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | s32 |
Herbert Xu | 378c669 | 2006-08-22 20:33:54 +1000 | [diff] [blame] | 151 | krb5_make_seq_num(struct crypto_blkcipher *key, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | int direction, |
| 153 | s32 seqnum, unsigned char *cksum, unsigned char *buf); |
| 154 | |
| 155 | s32 |
Herbert Xu | 378c669 | 2006-08-22 20:33:54 +1000 | [diff] [blame] | 156 | krb5_get_seq_num(struct crypto_blkcipher *key, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | unsigned char *cksum, |
| 158 | unsigned char *buf, int *direction, s32 * seqnum); |