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      1 /*	$NetBSD: gsskrb5_locl.h,v 1.2 2017/01/28 21:31:46 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 - 2008 Kungliga Tekniska Hgskolan
      5  * (Royal Institute of Technology, Stockholm, Sweden).
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  *
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * 3. Neither the name of the Institute nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 /* Id */
     37 
     38 #ifndef GSSKRB5_LOCL_H
     39 #define GSSKRB5_LOCL_H
     40 
     41 #include <config.h>
     42 
     43 #include <krb5_locl.h>
     44 #include <gkrb5_err.h>
     45 #include <gssapi/gssapi.h>
     46 #include <gssapi_mech.h>
     47 #include <gssapi/gssapi_krb5.h>
     48 #include <assert.h>
     49 
     50 #include "cfx.h"
     51 
     52 /*
     53  *
     54  */
     55 
     56 struct gss_msg_order;
     57 
     58 typedef struct gsskrb5_ctx {
     59   struct krb5_auth_context_data *auth_context;
     60   struct krb5_auth_context_data *deleg_auth_context;
     61   krb5_principal source, target;
     62 #define IS_DCE_STYLE(ctx) (((ctx)->flags & GSS_C_DCE_STYLE) != 0)
     63   OM_uint32 flags;
     64   enum { LOCAL = 1, OPEN = 2,
     65 	 COMPAT_OLD_DES3 = 4,
     66          COMPAT_OLD_DES3_SELECTED = 8,
     67 	 ACCEPTOR_SUBKEY = 16,
     68 	 RETRIED = 32,
     69 	 CLOSE_CCACHE = 64,
     70 	 IS_CFX = 128
     71   } more_flags;
     72   enum gss_ctx_id_t_state {
     73       /* initiator states */
     74       INITIATOR_START,
     75       INITIATOR_RESTART,
     76       INITIATOR_WAIT_FOR_MUTAL,
     77       INITIATOR_READY,
     78       /* acceptor states */
     79       ACCEPTOR_START,
     80       ACCEPTOR_WAIT_FOR_DCESTYLE,
     81       ACCEPTOR_READY
     82   } state;
     83   krb5_creds *kcred;
     84   krb5_ccache ccache;
     85   struct krb5_ticket *ticket;
     86   time_t endtime;
     87   HEIMDAL_MUTEX ctx_id_mutex;
     88   struct gss_msg_order *order;
     89   krb5_keyblock *service_keyblock;
     90   krb5_data fwd_data;
     91   krb5_crypto crypto;
     92 } *gsskrb5_ctx;
     93 
     94 typedef struct {
     95   krb5_principal principal;
     96   int cred_flags;
     97 #define GSS_CF_DESTROY_CRED_ON_RELEASE	1
     98 #define GSS_CF_NO_CI_FLAGS		2
     99   struct krb5_keytab_data *keytab;
    100   time_t endtime;
    101   gss_cred_usage_t usage;
    102   gss_OID_set mechanisms;
    103   struct krb5_ccache_data *ccache;
    104   HEIMDAL_MUTEX cred_id_mutex;
    105   krb5_enctype *enctypes;
    106 } *gsskrb5_cred;
    107 
    108 typedef struct Principal *gsskrb5_name;
    109 
    110 /*
    111  *
    112  */
    113 
    114 extern krb5_keytab _gsskrb5_keytab;
    115 extern HEIMDAL_MUTEX gssapi_keytab_mutex;
    116 
    117 /*
    118  * Prototypes
    119  */
    120 
    121 #include <gsskrb5-private.h>
    122 
    123 #define GSSAPI_KRB5_INIT(ctx) do {				\
    124     krb5_error_code kret_gss_init;				\
    125     if((kret_gss_init = _gsskrb5_init (ctx)) != 0) {		\
    126 	*minor_status = kret_gss_init;				\
    127 	return GSS_S_FAILURE;					\
    128     }								\
    129 } while (0)
    130 
    131 /* sec_context flags */
    132 
    133 #define SC_LOCAL_ADDRESS  0x01
    134 #define SC_REMOTE_ADDRESS 0x02
    135 #define SC_KEYBLOCK	  0x04
    136 #define SC_LOCAL_SUBKEY	  0x08
    137 #define SC_REMOTE_SUBKEY  0x10
    138 
    139 #endif
    140