lib/gssapi/krb5/gsskrb5_locl.h

   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   time_t endtime;
  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   time_t endtime;
  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 #endif