1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2022 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* Portions Copyright (c) 1990 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
#ifndef _LBER_INT_H
#define _LBER_INT_H
#include "lber.h"
#define LDAP_INT_DEBUG
#include "ldap_log.h"
#include "lber_pvt.h"
#include "ldap_queue.h"
LDAP_BEGIN_DECL
typedef void (*BER_LOG_FN)(FILE *file,
const char *subsys, int level, const char *fmt, ... );
LBER_V (BER_ERRNO_FN) ber_int_errno_fn;
#ifdef LDAP_MEMORY_TRACE
# ifndef LDAP_MEMORY_DEBUG
# define LDAP_MEMORY_DEBUG 1
# endif
#endif
#ifdef LDAP_MEMORY_DEBUG
LBER_V (long) ber_int_meminuse;
#endif
#if defined(LDAP_MEMORY_DEBUG) && ((LDAP_MEMORY_DEBUG +0) & 2)
# define LDAP_MEMORY_DEBUG_ASSERT assert
#else
# define LDAP_MEMORY_DEBUG_ASSERT(expr) ((void) 0)
#endif
struct lber_options {
short lbo_valid;
unsigned short lbo_options;
int lbo_debug;
};
LBER_F( int ) ber_pvt_log_output(
const char *subsystem,
int level,
const char *fmt, ... );
#define LBER_UNINITIALIZED 0x0
#define LBER_INITIALIZED 0x1
#define LBER_VALID_BERELEMENT 0x2
#define LBER_VALID_SOCKBUF 0x3
LBER_V (struct lber_options) ber_int_options;
#define ber_int_debug ber_int_options.lbo_debug
/* Data encoded in ASN.1 BER format */
struct berelement {
struct lber_options ber_opts;
#define ber_valid ber_opts.lbo_valid
#define ber_options ber_opts.lbo_options
#define ber_debug ber_opts.lbo_debug
/*
* The members below, when not NULL/LBER_DEFAULT/etc, are:
* ber_buf Data buffer. Other pointers normally point into it.
* ber_rwptr Read/write cursor for Sockbuf I/O.
* ber_memctx Context passed to ber_memalloc() & co.
* When decoding data (reading it from the BerElement):
* ber_end End of BER data.
* ber_ptr Read cursor, except for 1st octet of tags.
* ber_tag 1st octet of next tag, saved from *ber_ptr when
* ber_ptr may be pointing at a tag and is >ber_buf.
* The octet *ber_ptr itself may get overwritten with
* a \0, to terminate the preceding element.
* When encoding data (writing it to the BerElement):
* ber_end End of allocated buffer - 1 (allowing a final \0).
* ber_ptr Last complete BER element (normally write cursor).
* ber_sos_ptr NULL or write cursor for incomplete sequence or set.
* ber_sos_inner offset(seq/set length octets) if ber_sos_ptr!=NULL.
* ber_tag Default tag for next ber_printf() element.
* ber_usertag Boolean set by ber_printf "!" if it sets ber_tag.
* ber_len Reused for ber_sos_inner.
* When output to a Sockbuf:
* ber_ptr End of encoded data to write.
* When input from a Sockbuf:
* See ber_get_next().
*/
/* Do not change the order of these 3 fields! see ber_get_next */
ber_tag_t ber_tag;
ber_len_t ber_len;
ber_tag_t ber_usertag;
char *ber_buf;
char *ber_ptr;
char *ber_end;
char *ber_sos_ptr;
# define ber_sos_inner ber_len /* reused for binary compat */
char *ber_rwptr;
void *ber_memctx;
};
#define LBER_VALID(ber) ((ber)->ber_valid==LBER_VALID_BERELEMENT)
#define ber_pvt_ber_remaining(ber) ((ber)->ber_end - (ber)->ber_ptr)
#define ber_pvt_ber_total(ber) ((ber)->ber_end - (ber)->ber_buf)
#define ber_pvt_ber_write(ber) ((ber)->ber_ptr - (ber)->ber_buf)
struct sockbuf {
struct lber_options sb_opts;
Sockbuf_IO_Desc *sb_iod; /* I/O functions */
#define sb_valid sb_opts.lbo_valid
#define sb_options sb_opts.lbo_options
#define sb_debug sb_opts.lbo_debug
ber_socket_t sb_fd;
ber_len_t sb_max_incoming;
unsigned int sb_trans_needs_read:1;
unsigned int sb_trans_needs_write:1;
#ifdef LDAP_PF_LOCAL_SENDMSG
char sb_ungetlen;
char sb_ungetbuf[8];
#endif
};
#define SOCKBUF_VALID( sb ) ( (sb)->sb_valid == LBER_VALID_SOCKBUF )
/*
* decode.c, encode.c
*/
/* Simplest OID max-DER-component to implement in both decode and encode */
#define LBER_OID_COMPONENT_MAX ((unsigned long)-1 - 128)
/*
* io.c
*/
LBER_F( int )
ber_realloc LDAP_P((
BerElement *ber,
ber_len_t len ));
LBER_F (char *) ber_start LDAP_P(( BerElement * ));
LBER_F (int) ber_len LDAP_P(( BerElement * ));
LBER_F (int) ber_ptrlen LDAP_P(( BerElement * ));
LBER_F (void) ber_rewind LDAP_P(( BerElement * ));
/*
* bprint.c
*/
#define ber_log_printf ber_pvt_log_printf
LBER_F( int )
ber_log_bprint LDAP_P((
int errlvl,
int loglvl,
const char *data,
ber_len_t len ));
LBER_F( int )
ber_log_dump LDAP_P((
int errlvl,
int loglvl,
BerElement *ber,
int inout ));
LBER_V (BER_LOG_FN) ber_int_log_proc;
LBER_V (FILE *) ber_pvt_err_file;
/* memory.c */
/* simple macros to realloc for now */
LBER_V (BerMemoryFunctions *) ber_int_memory_fns;
LBER_F (char *) ber_strndup( LDAP_CONST char *, ber_len_t );
LBER_F (char *) ber_strndup_x( LDAP_CONST char *, ber_len_t, void *ctx );
#define LBER_MALLOC(s) ber_memalloc((s))
#define LBER_CALLOC(n,s) ber_memcalloc((n),(s))
#define LBER_REALLOC(p,s) ber_memrealloc((p),(s))
#define LBER_FREE(p) ber_memfree((p))
#define LBER_VFREE(v) ber_memvfree((void**)(v))
#define LBER_STRDUP(s) ber_strdup((s))
#define LBER_STRNDUP(s,l) ber_strndup((s),(l))
/* sockbuf.c */
LBER_F( int )
ber_int_sb_init LDAP_P(( Sockbuf *sb ));
LBER_F( int )
ber_int_sb_close LDAP_P(( Sockbuf *sb ));
LBER_F( int )
ber_int_sb_destroy LDAP_P(( Sockbuf *sb ));
LBER_F( ber_slen_t )
ber_int_sb_read LDAP_P(( Sockbuf *sb, void *buf, ber_len_t len ));
LBER_F( ber_slen_t )
ber_int_sb_write LDAP_P(( Sockbuf *sb, void *buf, ber_len_t len ));
LDAP_END_DECL
#endif /* _LBER_INT_H */
|
