Subversion Repositories test_project

/*

 *  linux/include/linux/sunrpc/gss_krb5_types.h

 *

 *  Adapted from MIT Kerberos 5-1.2.1 lib/include/krb5.h,

 *  lib/gssapi/krb5/gssapiP_krb5.h, and others

 *

 *  Copyright (c) 2000 The Regents of the University of Michigan.

 *  All rights reserved.

 *

 *  Andy Adamson   <andros@umich.edu>

 *  Bruce Fields   <bfields@umich.edu>

 */

/*

 * Copyright 1995 by the Massachusetts Institute of Technology.

 * All Rights Reserved.

 *

 * Export of this software from the United States of America may

 *   require a specific license from the United States Government.

 *   It is the responsibility of any person or organization contemplating

 *   export to obtain such a license before exporting.

 *

 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and

 * distribute this software and its documentation for any purpose and

 * without fee is hereby granted, provided that the above copyright

 * notice appear in all copies and that both that copyright notice and

 * this permission notice appear in supporting documentation, and that

 * the name of M.I.T. not be used in advertising or publicity pertaining

 * to distribution of the software without specific, written prior

 * permission.  Furthermore if you modify this software you must label

 * your software as modified software and not distribute it in such a

 * fashion that it might be confused with the original M.I.T. software.

 * M.I.T. makes no representations about the suitability of

 * this software for any purpose.  It is provided "as is" without express

 * or implied warranty.

 *

 */

#include <linux/sunrpc/auth_gss.h>

#include <linux/sunrpc/gss_err.h>

#include <linux/sunrpc/gss_asn1.h>

struct krb5_ctx {

        int                     initiate; /* 1 = initiating, 0 = accepting */

        struct crypto_blkcipher *enc;

        struct crypto_blkcipher *seq;

        s32                     endtime;

        u32                     seq_send;

        struct xdr_netobj       mech_used;

};

extern spinlock_t krb5_seq_lock;

#define KG_TOK_MIC_MSG    0x0101

#define KG_TOK_WRAP_MSG   0x0201

enum sgn_alg {

        SGN_ALG_DES_MAC_MD5 = 0x0000,

        SGN_ALG_MD2_5 = 0x0001,

        SGN_ALG_DES_MAC = 0x0002,

        SGN_ALG_3 = 0x0003,             /* not published */

        SGN_ALG_HMAC_MD5 = 0x0011,      /* microsoft w2k; no support */

        SGN_ALG_HMAC_SHA1_DES3_KD = 0x0004

};

enum seal_alg {

        SEAL_ALG_NONE = 0xffff,

        SEAL_ALG_DES = 0x0000,

        SEAL_ALG_1 = 0x0001,            /* not published */

        SEAL_ALG_MICROSOFT_RC4 = 0x0010,/* microsoft w2k; no support */

        SEAL_ALG_DES3KD = 0x0002

};

#define KRB5_CKSUM_LENGTH 8

#define CKSUMTYPE_CRC32                 0x0001

#define CKSUMTYPE_RSA_MD4               0x0002

#define CKSUMTYPE_RSA_MD4_DES           0x0003

#define CKSUMTYPE_DESCBC                0x0004

#define CKSUMTYPE_RSA_MD5               0x0007

#define CKSUMTYPE_RSA_MD5_DES           0x0008

#define CKSUMTYPE_NIST_SHA              0x0009

#define CKSUMTYPE_HMAC_SHA1_DES3        0x000c

/* from gssapi_err_krb5.h */

#define KG_CCACHE_NOMATCH                        (39756032L)

#define KG_KEYTAB_NOMATCH                        (39756033L)

#define KG_TGT_MISSING                           (39756034L)

#define KG_NO_SUBKEY                             (39756035L)

#define KG_CONTEXT_ESTABLISHED                   (39756036L)

#define KG_BAD_SIGN_TYPE                         (39756037L)

#define KG_BAD_LENGTH                            (39756038L)

#define KG_CTX_INCOMPLETE                        (39756039L)

#define KG_CONTEXT                               (39756040L)

#define KG_CRED                                  (39756041L)

#define KG_ENC_DESC                              (39756042L)

#define KG_BAD_SEQ                               (39756043L)

#define KG_EMPTY_CCACHE                          (39756044L)

#define KG_NO_CTYPES                             (39756045L)

/* per Kerberos v5 protocol spec crypto types from the wire.

 * these get mapped to linux kernel crypto routines.

 */

#define ENCTYPE_NULL            0x0000

#define ENCTYPE_DES_CBC_CRC     0x0001  /* DES cbc mode with CRC-32 */

#define ENCTYPE_DES_CBC_MD4     0x0002  /* DES cbc mode with RSA-MD4 */

#define ENCTYPE_DES_CBC_MD5     0x0003  /* DES cbc mode with RSA-MD5 */

#define ENCTYPE_DES_CBC_RAW     0x0004  /* DES cbc mode raw */

/* XXX deprecated? */

#define ENCTYPE_DES3_CBC_SHA    0x0005  /* DES-3 cbc mode with NIST-SHA */

#define ENCTYPE_DES3_CBC_RAW    0x0006  /* DES-3 cbc mode raw */

#define ENCTYPE_DES_HMAC_SHA1   0x0008

#define ENCTYPE_DES3_CBC_SHA1   0x0010

#define ENCTYPE_UNKNOWN         0x01ff

s32

make_checksum(char *, char *header, int hdrlen, struct xdr_buf *body,

                   int body_offset, struct xdr_netobj *cksum);

u32 gss_get_mic_kerberos(struct gss_ctx *, struct xdr_buf *,

                struct xdr_netobj *);

u32 gss_verify_mic_kerberos(struct gss_ctx *, struct xdr_buf *,

                struct xdr_netobj *);

u32

gss_wrap_kerberos(struct gss_ctx *ctx_id, int offset,

                struct xdr_buf *outbuf, struct page **pages);

u32

gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset,

                struct xdr_buf *buf);

u32

krb5_encrypt(struct crypto_blkcipher *key,

             void *iv, void *in, void *out, int length);

u32

krb5_decrypt(struct crypto_blkcipher *key,

             void *iv, void *in, void *out, int length);

int

gss_encrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *outbuf,

                    int offset, struct page **pages);

int

gss_decrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *inbuf,

                    int offset);

s32

krb5_make_seq_num(struct crypto_blkcipher *key,

                int direction,

                s32 seqnum, unsigned char *cksum, unsigned char *buf);

s32

krb5_get_seq_num(struct crypto_blkcipher *key,

               unsigned char *cksum,

               unsigned char *buf, int *direction, s32 * seqnum);