xref: /freebsd/crypto/heimdal/lib/gssapi/krb5/gsskrb5_locl.h (revision 6a068746777241722b2b32c5d0bc443a2a64d80b)
1  /*
2   * Copyright (c) 1997 - 2008 Kungliga Tekniska Högskolan
3   * (Royal Institute of Technology, Stockholm, Sweden).
4   * All rights reserved.
5   *
6   * Redistribution and use in source and binary forms, with or without
7   * modification, are permitted provided that the following conditions
8   * are met:
9   *
10   * 1. Redistributions of source code must retain the above copyright
11   *    notice, this list of conditions and the following disclaimer.
12   *
13   * 2. Redistributions in binary form must reproduce the above copyright
14   *    notice, this list of conditions and the following disclaimer in the
15   *    documentation and/or other materials provided with the distribution.
16   *
17   * 3. Neither the name of the Institute nor the names of its contributors
18   *    may be used to endorse or promote products derived from this software
19   *    without specific prior written permission.
20   *
21   * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24   * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31   * SUCH DAMAGE.
32   */
33  
34  /* $Id$ */
35  
36  #ifndef GSSKRB5_LOCL_H
37  #define GSSKRB5_LOCL_H
38  
39  #include <config.h>
40  
41  #include <krb5_locl.h>
42  #include <gkrb5_err.h>
43  #include <gssapi.h>
44  #include <gssapi_mech.h>
45  #include <gssapi_krb5.h>
46  #include <assert.h>
47  
48  #include "cfx.h"
49  
50  /*
51   *
52   */
53  
54  struct gss_msg_order;
55  
56  typedef struct gsskrb5_ctx {
57    struct krb5_auth_context_data *auth_context;
58    struct krb5_auth_context_data *deleg_auth_context;
59    krb5_principal source, target;
60  #define IS_DCE_STYLE(ctx) (((ctx)->flags & GSS_C_DCE_STYLE) != 0)
61    OM_uint32 flags;
62    enum { LOCAL = 1, OPEN = 2,
63  	 COMPAT_OLD_DES3 = 4,
64           COMPAT_OLD_DES3_SELECTED = 8,
65  	 ACCEPTOR_SUBKEY = 16,
66  	 RETRIED = 32,
67  	 CLOSE_CCACHE = 64,
68  	 IS_CFX = 128
69    } more_flags;
70    enum gss_ctx_id_t_state {
71        /* initiator states */
72        INITIATOR_START,
73        INITIATOR_RESTART,
74        INITIATOR_WAIT_FOR_MUTAL,
75        INITIATOR_READY,
76        /* acceptor states */
77        ACCEPTOR_START,
78        ACCEPTOR_WAIT_FOR_DCESTYLE,
79        ACCEPTOR_READY
80    } state;
81    krb5_creds *kcred;
82    krb5_ccache ccache;
83    struct krb5_ticket *ticket;
84    OM_uint32 lifetime;
85    HEIMDAL_MUTEX ctx_id_mutex;
86    struct gss_msg_order *order;
87    krb5_keyblock *service_keyblock;
88    krb5_data fwd_data;
89    krb5_crypto crypto;
90  } *gsskrb5_ctx;
91  
92  typedef struct {
93    krb5_principal principal;
94    int cred_flags;
95  #define GSS_CF_DESTROY_CRED_ON_RELEASE	1
96  #define GSS_CF_NO_CI_FLAGS		2
97    struct krb5_keytab_data *keytab;
98    OM_uint32 lifetime;
99    gss_cred_usage_t usage;
100    gss_OID_set mechanisms;
101    struct krb5_ccache_data *ccache;
102    HEIMDAL_MUTEX cred_id_mutex;
103    krb5_enctype *enctypes;
104  } *gsskrb5_cred;
105  
106  typedef struct Principal *gsskrb5_name;
107  
108  /*
109   *
110   */
111  
112  extern krb5_keytab _gsskrb5_keytab;
113  extern HEIMDAL_MUTEX gssapi_keytab_mutex;
114  
115  /*
116   * Prototypes
117   */
118  
119  #include <gsskrb5-private.h>
120  
121  #define GSSAPI_KRB5_INIT(ctx) do {				\
122      krb5_error_code kret_gss_init;				\
123      if((kret_gss_init = _gsskrb5_init (ctx)) != 0) {		\
124  	*minor_status = kret_gss_init;				\
125  	return GSS_S_FAILURE;					\
126      }								\
127  } while (0)
128  
129  /* sec_context flags */
130  
131  #define SC_LOCAL_ADDRESS  0x01
132  #define SC_REMOTE_ADDRESS 0x02
133  #define SC_KEYBLOCK	  0x04
134  #define SC_LOCAL_SUBKEY	  0x08
135  #define SC_REMOTE_SUBKEY  0x10
136  
137  /* type to signal that that dns canon maybe should be done */
138  #define MAGIC_HOSTBASED_NAME_TYPE 4711
139  
140  #endif
141