windows-nt/Source/XPSP1/NT/ds/adsi/ldap/ldapinc/lber.h
2020-09-26 16:20:57 +08:00

185 lines
4.9 KiB
C

/*
* 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_H
#define _LBER_H
#ifdef __cplusplus
extern "C" {
#endif
#if !defined( NEEDPROTOS ) && defined(__STDC__)
#define NEEDPROTOS 1
#endif
/* BER classes and mask */
#define LBER_CLASS_UNIVERSAL 0x00
#define LBER_CLASS_APPLICATION 0x40
#define LBER_CLASS_CONTEXT 0x80
#define LBER_CLASS_PRIVATE 0xc0
#define LBER_CLASS_MASK 0xc0
/* BER encoding type and mask */
#define LBER_PRIMITIVE 0x00
#define LBER_CONSTRUCTED 0x20
#define LBER_ENCODING_MASK 0x20
#define LBER_BIG_TAG_MASK 0x1f
#define LBER_MORE_TAG_MASK 0x80
/*
* Note that LBER_ERROR and LBER_DEFAULT are values that can never appear
* as valid BER tags, and so it is safe to use them to report errors. In
* fact, any tag for which the following is true is invalid:
* (( tag & 0x00000080 ) != 0 ) && (( tag & 0xFFFFFF00 ) != 0 )
*/
#define LBER_ERROR 0xffffffffL
#define LBER_DEFAULT 0xffffffffL
/* general BER types we know about */
#define LBER_BOOLEAN 0x01L
#define LBER_INTEGER 0x02L
#define LBER_BITSTRING 0x03L
#define LBER_OCTETSTRING 0x04L
#define LBER_NULL 0x05L
#define LBER_ENUMERATED 0x0aL
#define LBER_SEQUENCE 0x30L /* constructed */
#define LBER_SET 0x31L /* constructed */
#define OLD_LBER_SEQUENCE 0x10L /* w/o constructed bit - broken */
#define OLD_LBER_SET 0x11L /* w/o constructed bit - broken */
#ifdef NEEDPROTOS
typedef int (*BERTranslateProc)( char **bufp, unsigned long *buflenp,
int free_input );
#else /* NEEDPROTOS */
typedef int (*BERTranslateProc)();
#endif /* NEEDPROTOS */
typedef struct berelement {
char *ber_buf;
char *ber_ptr;
char *ber_end;
struct seqorset *ber_sos;
unsigned long ber_tag;
unsigned long ber_len;
int ber_usertag;
char ber_options;
#define LBER_USE_DER 0x01
#define LBER_USE_INDEFINITE_LEN 0x02
#define LBER_TRANSLATE_STRINGS 0x04
char *ber_rwptr;
BERTranslateProc ber_encode_translate_proc;
BERTranslateProc ber_decode_translate_proc;
} BerElement;
#define NULLBER ((BerElement *) 0)
typedef struct sockbuf {
#ifndef MACOS
int sb_sd;
#else /* MACOS */
void *sb_sd;
#endif /* MACOS */
BerElement sb_ber;
int sb_naddr; /* > 0 implies using CLDAP (UDP) */
void *sb_useaddr; /* pointer to sockaddr to use next */
void *sb_fromaddr; /* pointer to message source sockaddr */
void **sb_addrs; /* actually an array of pointers to
sockaddrs */
int sb_options; /* to support copying ber elements */
#define LBER_TO_FILE 0x01 /* to a file referenced by sb_fd */
#define LBER_TO_FILE_ONLY 0x02 /* only write to file, not network */
#define LBER_MAX_INCOMING_SIZE 0x04 /* impose limit on incoming stuff */
#define LBER_NO_READ_AHEAD 0x08 /* read only as much as requested */
int sb_fd;
long sb_max_incoming;
} Sockbuf;
#define READBUFSIZ 8192
typedef struct seqorset {
BerElement *sos_ber;
unsigned long sos_clen;
unsigned long sos_tag;
char *sos_first;
char *sos_ptr;
struct seqorset *sos_next;
} Seqorset;
#define NULLSEQORSET ((Seqorset *) 0)
/* structure for returning a sequence of octet strings + length */
struct berval {
unsigned long bv_len;
char *bv_val;
};
#ifndef NEEDPROTOS
extern BerElement *ber_alloc();
extern BerElement *der_alloc();
extern BerElement *ber_alloc_t();
extern BerElement *ber_dup();
extern int lber_debug;
extern void ber_bvfree();
extern void ber_bvecfree();
extern struct berval *ber_bvdup();
extern void ber_dump();
extern void ber_sos_dump();
extern void lber_bprint();
extern void ber_reset();
extern void ber_init();
#else /* NEEDPROTOS */
#if defined(WINSOCK)
#include "proto-lb.h"
#else
#include "proto-lber.h"
#endif
#endif /* NEEDPROTOS */
#if !defined(__alpha) || defined(VMS)
#define LBER_HTONL( l ) htonl( l )
#define LBER_NTOHL( l ) ntohl( l )
#else /* __alpha */
/*
* htonl and ntohl on the DEC Alpha under OSF 1 seem to only swap the
* lower-order 32-bits of a (64-bit) long, so we define correct versions
* here.
*/
#define LBER_HTONL( l ) (((long)htonl( (l) & 0x00000000FFFFFFFF )) << 32 \
| htonl( ( (l) & 0xFFFFFFFF00000000 ) >> 32 ))
#define LBER_NTOHL( l ) (((long)ntohl( (l) & 0x00000000FFFFFFFF )) << 32 \
| ntohl( ( (l) & 0xFFFFFFFF00000000 ) >> 32 ))
#endif /* __alpha */
/*
* SAFEMEMCPY is an overlap-safe copy from s to d of n bytes
*/
#ifdef MACOS
#define SAFEMEMCPY( d, s, n ) BlockMoveData( (Ptr)s, (Ptr)d, n )
#else /* MACOS */
#ifdef sunos4
#define SAFEMEMCPY( d, s, n ) bcopy( s, d, n )
#else /* sunos4 */
#define SAFEMEMCPY( d, s, n ) memmove( d, s, n )
#endif /* sunos4 */
#endif /* MACOS */
#ifdef __cplusplus
}
#endif
#endif /* _LBER_H */