source4/heimdal/lib/hdb/hdb.h

   1 /*
   2  * Copyright (c) 1997 - 2005 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: hdb.h,v 1.38 2006/04/28 07:37:11 lha Exp $ */
  35
  36 #ifndef __HDB_H__
  37 #define __HDB_H__
  38
  39 #include <hdb_err.h>
  40
  41 #include <heim_asn1.h>
  42 #include <hdb_asn1.h>
  43
  44 enum hdb_lockop{ HDB_RLOCK, HDB_WLOCK };
  45
  46 /* flags for various functions */
  47 #define HDB_F_DECRYPT           1       /* decrypt keys */
  48 #define HDB_F_REPLACE           2       /* replace entry */
  49 #define HDB_F_GET_CLIENT        4       /* fetch client */
  50 #define HDB_F_GET_SERVER        8       /* fetch server */
  51 #define HDB_F_GET_KRBTGT        16      /* fetch krbtgt */
  52 #define HDB_F_GET_ANY           28      /* fetch any of client,server,krbtgt */
  53
  54 /* key usage for master key */
  55 #define HDB_KU_MKEY     0x484442
  56
  57 typedef struct hdb_master_key_data *hdb_master_key;
  58
  59 typedef struct hdb_entry_ex {
  60     void *ctx;
  61     hdb_entry entry;
  62     void (*free_entry)(krb5_context, struct hdb_entry_ex *);
  63 } hdb_entry_ex;
  64
  65
  66 typedef struct HDB{
  67     void *hdb_db;
  68     void *hdb_dbc;
  69     char *hdb_name;
  70     int hdb_master_key_set;
  71     hdb_master_key hdb_master_key;
  72     void *hdb_openp;
  73
  74     krb5_error_code (*hdb_open)(krb5_context,
  75                                 struct HDB*,
  76                                 int,
  77                                 mode_t);
  78     krb5_error_code (*hdb_close)(krb5_context,
  79                                  struct HDB*);
  80     void            (*hdb_free)(krb5_context,
  81                                 struct HDB*,
  82                                 hdb_entry_ex*);
  83     krb5_error_code (*hdb_fetch)(krb5_context,
  84                                  struct HDB*,
  85                                  krb5_const_principal,
  86                                  unsigned,
  87                                  hdb_entry_ex*);
  88     krb5_error_code (*hdb_store)(krb5_context,
  89                                  struct HDB*,
  90                                  unsigned,
  91                                  hdb_entry_ex*);
  92     krb5_error_code (*hdb_remove)(krb5_context,
  93                                   struct HDB*,
  94                                   krb5_const_principal);
  95     krb5_error_code (*hdb_firstkey)(krb5_context,
  96                                     struct HDB*,
  97                                     unsigned,
  98                                     hdb_entry_ex*);
  99     krb5_error_code (*hdb_nextkey)(krb5_context,
 100                                    struct HDB*,
 101                                    unsigned,
 102                                    hdb_entry_ex*);
 103     krb5_error_code (*hdb_lock)(krb5_context,
 104                                 struct HDB*,
 105                                 int operation);
 106     krb5_error_code (*hdb_unlock)(krb5_context,
 107                                   struct HDB*);
 108     krb5_error_code (*hdb_rename)(krb5_context,
 109                                   struct HDB*,
 110                                   const char*);
 111     krb5_error_code (*hdb__get)(krb5_context,
 112                                 struct HDB*,
 113                                 krb5_data,
 114                                 krb5_data*);
 115     krb5_error_code (*hdb__put)(krb5_context,
 116                                 struct HDB*,
 117                                 int,
 118                                 krb5_data,
 119                                 krb5_data);
 120     krb5_error_code (*hdb__del)(krb5_context,
 121                                 struct HDB*,
 122                                 krb5_data);
 123     krb5_error_code (*hdb_destroy)(krb5_context,
 124                                    struct HDB*);
 125 }HDB;
 126
 127 #define HDB_INTERFACE_VERSION   4
 128
 129 struct hdb_so_method {
 130     int version;
 131     const char *prefix;
 132     krb5_error_code (*create)(krb5_context, HDB **, const char *filename);
 133 };
 134
 135 #define HDB_DB_DIR "/var/heimdal"
 136 #define HDB_DEFAULT_DB HDB_DB_DIR "/heimdal"
 137 #define HDB_DB_FORMAT_ENTRY "hdb/db-format"
 138
 139 typedef krb5_error_code (*hdb_foreach_func_t)(krb5_context, HDB*,
 140                                               hdb_entry_ex*, void*);
 141 extern krb5_kt_ops hdb_kt_ops;
 142
 143 #include <hdb-protos.h>
 144
 145 #endif /* __HDB_H__ */