tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
43struct krb5_ctx {
44 int initiate; /* 1 = initiating, 0 = accepting */
45 int seed_init;
46 unsigned char seed[16];
47 int signalg;
48 int sealalg;
49 struct crypto_tfm *enc;
50 struct crypto_tfm *seq;
51 s32 endtime;
52 u32 seq_send;
53 struct xdr_netobj mech_used;
54};
55
56#define KG_TOK_MIC_MSG 0x0101
57#define KG_TOK_WRAP_MSG 0x0201
58
59enum sgn_alg {
60 SGN_ALG_DES_MAC_MD5 = 0x0000,
61 SGN_ALG_MD2_5 = 0x0001,
62 SGN_ALG_DES_MAC = 0x0002,
63 SGN_ALG_3 = 0x0003, /* not published */
64 SGN_ALG_HMAC_MD5 = 0x0011, /* microsoft w2k; no support */
65 SGN_ALG_HMAC_SHA1_DES3_KD = 0x0004
66};
67enum seal_alg {
68 SEAL_ALG_NONE = 0xffff,
69 SEAL_ALG_DES = 0x0000,
70 SEAL_ALG_1 = 0x0001, /* not published */
71 SEAL_ALG_MICROSOFT_RC4 = 0x0010,/* microsoft w2k; no support */
72 SEAL_ALG_DES3KD = 0x0002
73};
74
75#define KRB5_CKSUM_LENGTH 8
76
77#define CKSUMTYPE_CRC32 0x0001
78#define CKSUMTYPE_RSA_MD4 0x0002
79#define CKSUMTYPE_RSA_MD4_DES 0x0003
80#define CKSUMTYPE_DESCBC 0x0004
81#define CKSUMTYPE_RSA_MD5 0x0007
82#define CKSUMTYPE_RSA_MD5_DES 0x0008
83#define CKSUMTYPE_NIST_SHA 0x0009
84#define CKSUMTYPE_HMAC_SHA1_DES3 0x000c
85
86/* from gssapi_err_krb5.h */
87#define KG_CCACHE_NOMATCH (39756032L)
88#define KG_KEYTAB_NOMATCH (39756033L)
89#define KG_TGT_MISSING (39756034L)
90#define KG_NO_SUBKEY (39756035L)
91#define KG_CONTEXT_ESTABLISHED (39756036L)
92#define KG_BAD_SIGN_TYPE (39756037L)
93#define KG_BAD_LENGTH (39756038L)
94#define KG_CTX_INCOMPLETE (39756039L)
95#define KG_CONTEXT (39756040L)
96#define KG_CRED (39756041L)
97#define KG_ENC_DESC (39756042L)
98#define KG_BAD_SEQ (39756043L)
99#define KG_EMPTY_CCACHE (39756044L)
100#define KG_NO_CTYPES (39756045L)
101
102/* per Kerberos v5 protocol spec crypto types from the wire.
103 * these get mapped to linux kernel crypto routines.
104 */
105#define ENCTYPE_NULL 0x0000
106#define ENCTYPE_DES_CBC_CRC 0x0001 /* DES cbc mode with CRC-32 */
107#define ENCTYPE_DES_CBC_MD4 0x0002 /* DES cbc mode with RSA-MD4 */
108#define ENCTYPE_DES_CBC_MD5 0x0003 /* DES cbc mode with RSA-MD5 */
109#define ENCTYPE_DES_CBC_RAW 0x0004 /* DES cbc mode raw */
110/* XXX deprecated? */
111#define ENCTYPE_DES3_CBC_SHA 0x0005 /* DES-3 cbc mode with NIST-SHA */
112#define ENCTYPE_DES3_CBC_RAW 0x0006 /* DES-3 cbc mode raw */
113#define ENCTYPE_DES_HMAC_SHA1 0x0008
114#define ENCTYPE_DES3_CBC_SHA1 0x0010
115#define ENCTYPE_UNKNOWN 0x01ff
116
117s32
118make_checksum(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
119 int body_offset, struct xdr_netobj *cksum);
120
121u32 gss_get_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
122 struct xdr_netobj *);
123
124u32 gss_verify_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
125 struct xdr_netobj *);
126
127u32
128gss_wrap_kerberos(struct gss_ctx *ctx_id, int offset,
129 struct xdr_buf *outbuf, struct page **pages);
130
131u32
132gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset,
133 struct xdr_buf *buf);
134
135
136u32
137krb5_encrypt(struct crypto_tfm * key,
138 void *iv, void *in, void *out, int length);
139
140u32
141krb5_decrypt(struct crypto_tfm * key,
142 void *iv, void *in, void *out, int length);
143
144int
145gss_encrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *outbuf, int offset,
146 struct page **pages);
147
148int
149gss_decrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *inbuf, int offset);
150
151s32
152krb5_make_seq_num(struct crypto_tfm * key,
153 int direction,
154 s32 seqnum, unsigned char *cksum, unsigned char *buf);
155
156s32
157krb5_get_seq_num(struct crypto_tfm * key,
158 unsigned char *cksum,
159 unsigned char *buf, int *direction, s32 * seqnum);