2 * Copyright 1998,1999 The OpenLDAP Foundation, Redwood City, California, USA
5 * Redistribution and use in source and binary forms are permitted only
6 * as authorized by the OpenLDAP Public License. A copy of this
7 * license is available at http://www.OpenLDAP.org/license.html or
8 * in file LICENSE in the top-level directory of the distribution.
11 * Copyright (c) 1990 Regents of the University of Michigan.
12 * All rights reserved.
14 * Redistribution and use in source and binary forms are permitted
15 * provided that this notice is preserved and that due credit is given
16 * to the University of Michigan at Ann Arbor. The name of the University
17 * may not be used to endorse or promote products derived from this
18 * software without specific prior written permission. This software
19 * is provided ``as is'' without express or implied warranty.
25 #include <ldap_cdefs.h>
29 /* BER classes and mask */
30 #define LBER_CLASS_UNIVERSAL 0x00
31 #define LBER_CLASS_APPLICATION 0x40
32 #define LBER_CLASS_CONTEXT 0x80
33 #define LBER_CLASS_PRIVATE 0xc0
34 #define LBER_CLASS_MASK 0xc0
36 /* BER encoding type and mask */
37 #define LBER_PRIMITIVE 0x00
38 #define LBER_CONSTRUCTED 0x20
39 #define LBER_ENCODING_MASK 0x20
41 #define LBER_BIG_TAG_MASK 0x1f
42 #define LBER_MORE_TAG_MASK 0x80
45 * Note that LBER_ERROR and LBER_DEFAULT are values that can never appear
46 * as valid BER tags, and so it is safe to use them to report errors. In
47 * fact, any tag for which the following is true is invalid:
48 * (( tag & 0x00000080 ) != 0 ) && (( tag & 0xFFFFFF00 ) != 0 )
50 #define LBER_ERROR 0xffffffffL
51 #define LBER_DEFAULT 0xffffffffL
53 /* general BER types we know about */
54 #define LBER_BOOLEAN 0x01L
55 #define LBER_INTEGER 0x02L
56 #define LBER_BITSTRING 0x03L
57 #define LBER_OCTETSTRING 0x04L
58 #define LBER_NULL 0x05L
59 #define LBER_ENUMERATED 0x0aL
60 #define LBER_SEQUENCE 0x30L /* constructed */
61 #define LBER_SET 0x31L /* constructed */
63 #define OLD_LBER_SEQUENCE 0x10L /* w/o constructed bit - broken */
64 #define OLD_LBER_SET 0x11L /* w/o constructed bit - broken */
66 typedef int (*BERTranslateProc) LDAP_P(( char **bufp,
67 unsigned long *buflenp,
70 typedef struct berelement {
74 struct seqorset *ber_sos;
75 unsigned long ber_tag;
76 unsigned long ber_len;
79 #define LBER_USE_DER 0x01
80 #define LBER_USE_INDEFINITE_LEN 0x02
81 #define LBER_TRANSLATE_STRINGS 0x04
83 BERTranslateProc ber_encode_translate_proc;
84 BERTranslateProc ber_decode_translate_proc;
86 #define NULLBER ((BerElement *) 0)
88 typedef struct sockbuf {
96 int sb_naddr; /* > 0 implies using CLDAP (UDP) */
97 void *sb_useaddr; /* pointer to sockaddr to use next */
98 void *sb_fromaddr; /* pointer to message source sockaddr */
99 void **sb_addrs; /* actually an array of pointers to
102 int sb_options; /* to support copying ber elements */
103 #define LBER_TO_FILE 0x01 /* to a file referenced by sb_fd */
104 #define LBER_TO_FILE_ONLY 0x02 /* only write to file, not network */
105 #define LBER_MAX_INCOMING_SIZE 0x04 /* impose limit on incoming stuff */
106 #define LBER_NO_READ_AHEAD 0x08 /* read only as much as requested */
108 long sb_max_incoming;
110 #define READBUFSIZ 8192
112 typedef struct seqorset {
114 unsigned long sos_clen;
115 unsigned long sos_tag;
118 struct seqorset *sos_next;
120 #define NULLSEQORSET ((Seqorset *) 0)
122 /* structure for returning a sequence of octet strings + length */
124 unsigned long bv_len;
128 extern int lber_debug;
133 LDAP_F void lber_bprint LDAP_P(( char *data, int len ));
138 LDAP_F unsigned long ber_get_tag LDAP_P(( BerElement *ber ));
139 LDAP_F unsigned long ber_skip_tag LDAP_P(( BerElement *ber, unsigned long *len ));
140 LDAP_F unsigned long ber_peek_tag LDAP_P(( BerElement *ber, unsigned long *len ));
141 LDAP_F unsigned long ber_get_int LDAP_P(( BerElement *ber, long *num ));
142 LDAP_F unsigned long ber_get_stringb LDAP_P(( BerElement *ber, char *buf,
143 unsigned long *len ));
144 LDAP_F unsigned long ber_get_stringa LDAP_P(( BerElement *ber, char **buf ));
145 LDAP_F unsigned long ber_get_stringal LDAP_P(( BerElement *ber, struct berval **bv ));
146 LDAP_F unsigned long ber_get_bitstringa LDAP_P(( BerElement *ber, char **buf,
147 unsigned long *len ));
148 LDAP_F unsigned long ber_get_null LDAP_P(( BerElement *ber ));
149 LDAP_F unsigned long ber_get_boolean LDAP_P(( BerElement *ber, int *boolval ));
150 LDAP_F unsigned long ber_first_element LDAP_P(( BerElement *ber, unsigned long *len,
152 LDAP_F unsigned long ber_next_element LDAP_P(( BerElement *ber, unsigned long *len,
154 LDAP_F unsigned long ber_scanf LDAP_P(( BerElement *ber, char *fmt, ... ));
155 LDAP_F void ber_bvfree LDAP_P(( struct berval *bv ));
156 LDAP_F void ber_bvecfree LDAP_P(( struct berval **bv ));
157 LDAP_F struct berval *ber_bvdup LDAP_P(( struct berval *bv ));
158 LDAP_F void ber_set_string_translators LDAP_P(( BerElement *ber,
159 BERTranslateProc encode_proc, BERTranslateProc decode_proc ));
164 LDAP_F int ber_put_enum LDAP_P(( BerElement *ber, long num, unsigned long tag ));
165 LDAP_F int ber_put_int LDAP_P(( BerElement *ber, long num, unsigned long tag ));
166 LDAP_F int ber_put_ostring LDAP_P(( BerElement *ber, char *str, unsigned long len,
167 unsigned long tag ));
168 LDAP_F int ber_put_string LDAP_P(( BerElement *ber, char *str, unsigned long tag ));
169 LDAP_F int ber_put_bitstring LDAP_P(( BerElement *ber, char *str,
170 unsigned long bitlen, unsigned long tag ));
171 LDAP_F int ber_put_null LDAP_P(( BerElement *ber, unsigned long tag ));
172 LDAP_F int ber_put_boolean LDAP_P(( BerElement *ber, int boolval,
173 unsigned long tag ));
174 LDAP_F int ber_start_seq LDAP_P(( BerElement *ber, unsigned long tag ));
175 LDAP_F int ber_start_set LDAP_P(( BerElement *ber, unsigned long tag ));
176 LDAP_F int ber_put_seq LDAP_P(( BerElement *ber ));
177 LDAP_F int ber_put_set LDAP_P(( BerElement *ber ));
178 LDAP_F int ber_printf LDAP_P(( BerElement *ber, char *fmt, ... ));
184 LDAP_F long ber_read LDAP_P(( BerElement *ber, char *buf, unsigned long len ));
185 LDAP_F long ber_write LDAP_P(( BerElement *ber, char *buf, unsigned long len,
187 LDAP_F void ber_free LDAP_P(( BerElement *ber, int freebuf ));
188 LDAP_F int ber_flush LDAP_P(( Sockbuf *sb, BerElement *ber, int freeit ));
189 LDAP_F BerElement *ber_alloc LDAP_P(( void ));
190 LDAP_F BerElement *der_alloc LDAP_P(( void ));
191 LDAP_F BerElement *ber_alloc_t LDAP_P(( int options ));
192 LDAP_F BerElement *ber_dup LDAP_P(( BerElement *ber ));
193 LDAP_F void ber_dump LDAP_P(( BerElement *ber, int inout ));
194 LDAP_F void ber_sos_dump LDAP_P(( Seqorset *sos ));
195 LDAP_F unsigned long ber_get_next LDAP_P(( Sockbuf *sb, unsigned long *len,
197 LDAP_F void ber_init LDAP_P(( BerElement *ber, int options ));
198 LDAP_F void ber_reset LDAP_P(( BerElement *ber, int was_writing ));