1 files changed, 148 insertions, 0 deletions

diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h
new file mode 100644
index 000000000000..ffe31d2eb9ec
--- /dev/null
+++ b/include/linux/sunrpc/gss_krb5.h
@@ -0,0 +1,148 @@
+/*
+ *  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 */
+        int                     seed_init;
+        unsigned char           seed[16];
+        int                     signalg;
+        int                     sealalg;
+        struct crypto_tfm       *enc;
+        struct crypto_tfm       *seq;
+        s32                     endtime;
+        u32                     seq_send;
+        struct xdr_netobj       mech_used;
+};
+
+#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(s32 cksumtype, char *header, int hdrlen, struct xdr_buf *body,
+                   struct xdr_netobj *cksum);
+
+u32
+krb5_make_token(struct krb5_ctx *context_handle, int qop_req,
+        struct xdr_buf *input_message_buffer,
+        struct xdr_netobj *output_message_buffer, int toktype);
+
+u32
+krb5_read_token(struct krb5_ctx *context_handle,
+          struct xdr_netobj *input_token_buffer,
+          struct xdr_buf *message_buffer,
+          int *qop_state, int toktype);
+
+u32
+krb5_encrypt(struct crypto_tfm * key,
+             void *iv, void *in, void *out, int length);
+
+u32
+krb5_decrypt(struct crypto_tfm * key,
+             void *iv, void *in, void *out, int length); 
+
+s32
+krb5_make_seq_num(struct crypto_tfm * key,
+                int direction,
+                s32 seqnum, unsigned char *cksum, unsigned char *buf);
+
+s32
+krb5_get_seq_num(struct crypto_tfm * key,
+               unsigned char *cksum,
+               unsigned char *buf, int *direction, s32 * seqnum);