Annotation of src/usr.bin/ldap/ber.h, Revision 1.1.1.1
1.1 reyk 1: /* $OpenBSD: ber.h,v 1.3 2018/02/08 18:02:06 jca Exp $ */
2:
3: /*
4: * Copyright (c) 2007 Reyk Floeter <reyk@vantronix.net>
5: * Copyright (c) 2006, 2007 Claudio Jeker <claudio@openbsd.org>
6: *
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.
10: *
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.
18: */
19:
20: struct ber_element {
21: struct ber_element *be_next;
22: unsigned long be_type;
23: unsigned long be_encoding;
24: size_t be_len;
25: int be_free;
26: u_int8_t be_class;
27: union {
28: struct ber_element *bv_sub;
29: void *bv_val;
30: long long bv_numeric;
31: } be_union;
32: #define be_sub be_union.bv_sub
33: #define be_val be_union.bv_val
34: #define be_numeric be_union.bv_numeric
35: };
36:
37: struct ber {
38: u_char *br_wbuf;
39: u_char *br_wptr;
40: u_char *br_wend;
41: u_char *br_rbuf;
42: u_char *br_rptr;
43: u_char *br_rend;
44:
45: unsigned long (*br_application)(struct ber_element *);
46: };
47:
48: /* well-known ber_element types */
49: #define BER_TYPE_DEFAULT ((unsigned long)-1)
50: #define BER_TYPE_EOC 0
51: #define BER_TYPE_BOOLEAN 1
52: #define BER_TYPE_INTEGER 2
53: #define BER_TYPE_BITSTRING 3
54: #define BER_TYPE_OCTETSTRING 4
55: #define BER_TYPE_NULL 5
56: #define BER_TYPE_OBJECT 6
57: #define BER_TYPE_ENUMERATED 10
58: #define BER_TYPE_SEQUENCE 16
59: #define BER_TYPE_SET 17
60:
61: /* ber classes */
62: #define BER_CLASS_UNIVERSAL 0x0
63: #define BER_CLASS_UNIV BER_CLASS_UNIVERSAL
64: #define BER_CLASS_APPLICATION 0x1
65: #define BER_CLASS_APP BER_CLASS_APPLICATION
66: #define BER_CLASS_CONTEXT 0x2
67: #define BER_CLASS_PRIVATE 0x3
68: #define BER_CLASS_MASK 0x3
69:
70: /* common definitions */
71: #define BER_MIN_OID_LEN 2 /* OBJECT */
72: #define BER_MAX_OID_LEN 32 /* OBJECT */
73:
74: struct ber_oid {
75: u_int32_t bo_id[BER_MAX_OID_LEN + 1];
76: size_t bo_n;
77: };
78:
79: __BEGIN_DECLS
80: struct ber_element *ber_get_element(unsigned long);
81: void ber_set_header(struct ber_element *, int,
82: unsigned long);
83: void ber_link_elements(struct ber_element *,
84: struct ber_element *);
85: struct ber_element *ber_unlink_elements(struct ber_element *);
86: void ber_replace_elements(struct ber_element *,
87: struct ber_element *);
88: struct ber_element *ber_add_sequence(struct ber_element *);
89: struct ber_element *ber_add_set(struct ber_element *);
90: struct ber_element *ber_add_integer(struct ber_element *, long long);
91: int ber_get_integer(struct ber_element *, long long *);
92: struct ber_element *ber_add_enumerated(struct ber_element *, long long);
93: int ber_get_enumerated(struct ber_element *, long long *);
94: struct ber_element *ber_add_boolean(struct ber_element *, int);
95: int ber_get_boolean(struct ber_element *, int *);
96: struct ber_element *ber_add_string(struct ber_element *, const char *);
97: struct ber_element *ber_add_nstring(struct ber_element *, const char *,
98: size_t);
99: int ber_get_string(struct ber_element *, char **);
100: int ber_get_nstring(struct ber_element *, void **,
101: size_t *);
102: struct ber_element *ber_add_bitstring(struct ber_element *, const void *,
103: size_t);
104: int ber_get_bitstring(struct ber_element *, void **,
105: size_t *);
106: struct ber_element *ber_add_null(struct ber_element *);
107: int ber_get_null(struct ber_element *);
108: struct ber_element *ber_add_eoc(struct ber_element *);
109: int ber_get_eoc(struct ber_element *);
110: struct ber_element *ber_add_oid(struct ber_element *, struct ber_oid *);
111: struct ber_element *ber_add_noid(struct ber_element *, struct ber_oid *, int);
112: struct ber_element *ber_add_oidstring(struct ber_element *, const char *);
113: int ber_get_oid(struct ber_element *, struct ber_oid *);
114: size_t ber_oid2ber(struct ber_oid *, u_int8_t *, size_t);
115: int ber_string2oid(const char *, struct ber_oid *);
116: struct ber_element *ber_printf_elements(struct ber_element *, char *, ...);
117: int ber_scanf_elements(struct ber_element *, char *, ...);
118: ssize_t ber_get_writebuf(struct ber *, void **);
119: int ber_write_elements(struct ber *, struct ber_element *);
120: void ber_set_readbuf(struct ber *, void *, size_t);
121: struct ber_element *ber_read_elements(struct ber *, struct ber_element *);
122: void ber_free_elements(struct ber_element *);
123: size_t ber_calc_len(struct ber_element *);
124: void ber_set_application(struct ber *,
125: unsigned long (*)(struct ber_element *));
126: void ber_free(struct ber *);
127: __END_DECLS
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