1 /* $OpenBSD: ber.h,v 1.2 2008/12/29 15:48:13 aschrijver Exp $ */
4 * Copyright (c) 2007 Reyk Floeter <reyk@vantronix.net>
5 * Copyright (c) 2006, 2007 Claudio Jeker <claudio@openbsd.org>
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 struct ber_element *be_next;
22 unsigned long be_type;
23 unsigned long be_encoding;
28 struct ber_element *bv_sub;
32 #define be_sub be_union.bv_sub
33 #define be_val be_union.bv_val
34 #define be_numeric be_union.bv_numeric
46 unsigned long (*br_application)(struct ber_element *);
49 /* well-known ber_element types */
50 #define BER_TYPE_DEFAULT ((unsigned long)-1)
51 #define BER_TYPE_EOC 0
52 #define BER_TYPE_BOOLEAN 1
53 #define BER_TYPE_INTEGER 2
54 #define BER_TYPE_BITSTRING 3
55 #define BER_TYPE_OCTETSTRING 4
56 #define BER_TYPE_NULL 5
57 #define BER_TYPE_OBJECT 6
58 #define BER_TYPE_ENUMERATED 10
59 #define BER_TYPE_SEQUENCE 16
60 #define BER_TYPE_SET 17
63 #define BER_CLASS_UNIVERSAL 0x0
64 #define BER_CLASS_UNIV BER_CLASS_UNIVERSAL
65 #define BER_CLASS_APPLICATION 0x1
66 #define BER_CLASS_APP BER_CLASS_APPLICATION
67 #define BER_CLASS_CONTEXT 0x2
68 #define BER_CLASS_PRIVATE 0x3
69 #define BER_CLASS_MASK 0x3
71 /* common definitions */
72 #define BER_MIN_OID_LEN 2 /* OBJECT */
73 #define BER_MAX_OID_LEN 32 /* OBJECT */
76 u_int32_t bo_id[BER_MAX_OID_LEN + 1];
81 struct ber_element *ber_get_element(unsigned long);
82 void ber_set_header(struct ber_element *, int,
84 void ber_link_elements(struct ber_element *,
85 struct ber_element *);
86 struct ber_element *ber_unlink_elements(struct ber_element *);
87 void ber_replace_elements(struct ber_element *,
88 struct ber_element *);
89 struct ber_element *ber_add_sequence(struct ber_element *);
90 struct ber_element *ber_add_set(struct ber_element *);
91 struct ber_element *ber_add_integer(struct ber_element *, long long);
92 int ber_get_integer(struct ber_element *, long long *);
93 struct ber_element *ber_add_enumerated(struct ber_element *, long long);
94 int ber_get_enumerated(struct ber_element *, long long *);
95 struct ber_element *ber_add_boolean(struct ber_element *, int);
96 int ber_get_boolean(struct ber_element *, int *);
97 struct ber_element *ber_add_string(struct ber_element *, const char *);
98 struct ber_element *ber_add_nstring(struct ber_element *, const char *,
100 int ber_get_string(struct ber_element *, char **);
101 int ber_get_nstring(struct ber_element *, void **,
103 struct ber_element *ber_add_bitstring(struct ber_element *, const void *,
105 int ber_get_bitstring(struct ber_element *, void **,
107 struct ber_element *ber_add_null(struct ber_element *);
108 int ber_get_null(struct ber_element *);
109 struct ber_element *ber_add_eoc(struct ber_element *);
110 int ber_get_eoc(struct ber_element *);
111 struct ber_element *ber_add_oid(struct ber_element *, struct ber_oid *);
112 struct ber_element *ber_add_noid(struct ber_element *, struct ber_oid *, int);
113 struct ber_element *ber_add_oidstring(struct ber_element *, const char *);
114 int ber_get_oid(struct ber_element *, struct ber_oid *);
115 size_t ber_oid2ber(struct ber_oid *, u_int8_t *, size_t);
116 int ber_string2oid(const char *, struct ber_oid *);
117 struct ber_element *ber_printf_elements(struct ber_element *, char *, ...);
118 int ber_scanf_elements(struct ber_element *, char *, ...);
119 ssize_t ber_get_writebuf(struct ber *, void **);
120 int ber_write_elements(struct ber *, struct ber_element *);
121 void ber_set_readbuf(struct ber *, void *, size_t);
122 struct ber_element *ber_read_elements(struct ber *, struct ber_element *);
123 void ber_free_elements(struct ber_element *);
124 size_t ber_calc_len(struct ber_element *);
125 void ber_set_application(struct ber *,
126 unsigned long (*)(struct ber_element *));
127 void ber_free(struct ber *);