xref: /freebsd/crypto/heimdal/lib/hdb/hdb.h (revision aa0a1e58)
1 /*
2  * Copyright (c) 1997 - 2007 Kungliga Tekniska H�gskolan
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 22198 2007-12-07 13:09:25Z lha $ */
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 struct hdb_dbinfo;
45 
46 enum hdb_lockop{ HDB_RLOCK, HDB_WLOCK };
47 
48 /* flags for various functions */
49 #define HDB_F_DECRYPT		1	/* decrypt keys */
50 #define HDB_F_REPLACE		2	/* replace entry */
51 #define HDB_F_GET_CLIENT	4	/* fetch client */
52 #define HDB_F_GET_SERVER	8	/* fetch server */
53 #define HDB_F_GET_KRBTGT	16	/* fetch krbtgt */
54 #define HDB_F_GET_ANY		28	/* fetch any of client,server,krbtgt */
55 #define HDB_F_CANON		32	/* want canonicalition */
56 
57 /* key usage for master key */
58 #define HDB_KU_MKEY	0x484442
59 
60 typedef struct hdb_master_key_data *hdb_master_key;
61 
62 typedef struct hdb_entry_ex {
63     void *ctx;
64     hdb_entry entry;
65     void (*free_entry)(krb5_context, struct hdb_entry_ex *);
66 } hdb_entry_ex;
67 
68 
69 typedef struct HDB{
70     void *hdb_db;
71     void *hdb_dbc;
72     char *hdb_name;
73     int hdb_master_key_set;
74     hdb_master_key hdb_master_key;
75     int hdb_openp;
76 
77     krb5_error_code (*hdb_open)(krb5_context,
78 				struct HDB*,
79 				int,
80 				mode_t);
81     krb5_error_code (*hdb_close)(krb5_context,
82 				 struct HDB*);
83     void	    (*hdb_free)(krb5_context,
84 				struct HDB*,
85 				hdb_entry_ex*);
86     krb5_error_code (*hdb_fetch)(krb5_context,
87 				 struct HDB*,
88 				 krb5_const_principal,
89 				 unsigned,
90 				 hdb_entry_ex*);
91     krb5_error_code (*hdb_store)(krb5_context,
92 				 struct HDB*,
93 				 unsigned,
94 				 hdb_entry_ex*);
95     krb5_error_code (*hdb_remove)(krb5_context,
96 				  struct HDB*,
97 				  krb5_const_principal);
98     krb5_error_code (*hdb_firstkey)(krb5_context,
99 				    struct HDB*,
100 				    unsigned,
101 				    hdb_entry_ex*);
102     krb5_error_code (*hdb_nextkey)(krb5_context,
103 				   struct HDB*,
104 				   unsigned,
105 				   hdb_entry_ex*);
106     krb5_error_code (*hdb_lock)(krb5_context,
107 				struct HDB*,
108 				int operation);
109     krb5_error_code (*hdb_unlock)(krb5_context,
110 				  struct HDB*);
111     krb5_error_code (*hdb_rename)(krb5_context,
112 				  struct HDB*,
113 				  const char*);
114     krb5_error_code (*hdb__get)(krb5_context,
115 				struct HDB*,
116 				krb5_data,
117 				krb5_data*);
118     krb5_error_code (*hdb__put)(krb5_context,
119 				struct HDB*,
120 				int,
121 				krb5_data,
122 				krb5_data);
123     krb5_error_code (*hdb__del)(krb5_context,
124 				struct HDB*,
125 				krb5_data);
126     krb5_error_code (*hdb_destroy)(krb5_context,
127 				   struct HDB*);
128 }HDB;
129 
130 #define HDB_INTERFACE_VERSION	4
131 
132 struct hdb_so_method {
133     int version;
134     const char *prefix;
135     krb5_error_code (*create)(krb5_context, HDB **, const char *filename);
136 };
137 
138 typedef krb5_error_code (*hdb_foreach_func_t)(krb5_context, HDB*,
139 					      hdb_entry_ex*, void*);
140 extern krb5_kt_ops hdb_kt_ops;
141 
142 #include <hdb-protos.h>
143 
144 #endif /* __HDB_H__ */
145