gecko-dev/directory/c-sdk/ldap/include/lber.h
1998-11-22 22:03:18 +00:00

258 lines
9.1 KiB
C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/* lber.h - header file for ber_* functions */
#ifndef _LBER_H
#define _LBER_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdlib.h> /* to pick up size_t typedef */
/*
* 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 LBER_ERROR
#define LBER_END_OF_SEQORSET 0xfffffffeL
/* 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
/* 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
#define LBER_SET 0x31L
/* BerElement set/get options */
#define LBER_OPT_REMAINING_BYTES 0x01
#define LBER_OPT_TOTAL_BYTES 0x02
#define LBER_OPT_USE_DER 0x04
#define LBER_OPT_TRANSLATE_STRINGS 0x08
#define LBER_OPT_BYTES_TO_WRITE 0x10
#define LBER_OPT_MEMALLOC_FN_PTRS 0x20
#define LBER_OPT_DEBUG_LEVEL 0x40
/* Sockbuf set/get options */
#define LBER_SOCKBUF_OPT_TO_FILE 0x001
#define LBER_SOCKBUF_OPT_TO_FILE_ONLY 0x002
#define LBER_SOCKBUF_OPT_MAX_INCOMING_SIZE 0x004
#define LBER_SOCKBUF_OPT_NO_READ_AHEAD 0x008
#define LBER_SOCKBUF_OPT_DESC 0x010
#define LBER_SOCKBUF_OPT_COPYDESC 0x020
#define LBER_SOCKBUF_OPT_READ_FN 0x040
#define LBER_SOCKBUF_OPT_WRITE_FN 0x080
#define LBER_OPT_ON ((void *) 1)
#define LBER_OPT_OFF ((void *) 0)
struct berval {
unsigned long bv_len;
char *bv_val;
};
typedef struct berelement BerElement;
typedef struct sockbuf Sockbuf;
typedef int (*BERTranslateProc)( char **bufp, unsigned long *buflenp,
int free_input );
#ifndef macintosh
#if defined( _WINDOWS ) || defined( _WIN32) || defined( _CONSOLE )
#include <winsock.h> /* for SOCKET */
typedef SOCKET LBER_SOCKET;
#else
typedef int LBER_SOCKET;
#endif /* _WINDOWS */
#else /* macintosh */
typedef void *LBER_SOCKET;
#endif /* macintosh */
/* calling conventions used by library */
#ifndef LDAP_CALL
#if defined( _WINDOWS ) || defined( _WIN32 )
#define LDAP_C __cdecl
#ifndef _WIN32
#define __stdcall _far _pascal
#define LDAP_CALLBACK _loadds
#else
#define LDAP_CALLBACK
#endif /* _WIN32 */
#define LDAP_PASCAL __stdcall
#define LDAP_CALL LDAP_PASCAL
#else /* _WINDOWS */
#define LDAP_C
#define LDAP_CALLBACK
#define LDAP_PASCAL
#define LDAP_CALL
#endif /* _WINDOWS */
#endif /* LDAP_CALL */
/*
* function prototypes for lber library
*/
#ifndef LDAP_API
#if defined( _WINDOWS ) || defined( _WIN32 )
#define LDAP_API(rt) rt
#else /* _WINDOWS */
#define LDAP_API(rt) rt
#endif /* _WINDOWS */
#endif /* LDAP_API */
/*
* libldap read and write I/O function callbacks. The rest of the I/O callback
* types are in ldap.h
*/
typedef int (LDAP_C LDAP_CALLBACK LDAP_IOF_READ_CALLBACK)( LBER_SOCKET,
void *, int );
typedef int (LDAP_C LDAP_CALLBACK LDAP_IOF_WRITE_CALLBACK)( LBER_SOCKET,
const void *, int );
/*
* liblber memory allocation callback functions. These are global to all
* Sockbufs and BerElements. Install your own functions by using a call
* like this: ber_set_option( NULL, LBER_OPT_MEMALLOC_FN_PTRS, &memalloc_fns );
*/
typedef void * (LDAP_C LDAP_CALLBACK LDAP_MALLOC_CALLBACK)( size_t size );
typedef void * (LDAP_C LDAP_CALLBACK LDAP_CALLOC_CALLBACK)( size_t nelem,
size_t elsize );
typedef void * (LDAP_C LDAP_CALLBACK LDAP_REALLOC_CALLBACK)( void *ptr,
size_t size );
typedef void (LDAP_C LDAP_CALLBACK LDAP_FREE_CALLBACK)( void *ptr );
struct lber_memalloc_fns {
LDAP_MALLOC_CALLBACK *lbermem_malloc;
LDAP_CALLOC_CALLBACK *lbermem_calloc;
LDAP_REALLOC_CALLBACK *lbermem_realloc;
LDAP_FREE_CALLBACK *lbermem_free;
};
/*
* decode routines
*/
LDAP_API(unsigned long) LDAP_CALL ber_get_tag( BerElement *ber );
LDAP_API(unsigned long) LDAP_CALL ber_skip_tag( BerElement *ber,
unsigned long *len );
LDAP_API(unsigned long) LDAP_CALL ber_peek_tag( BerElement *ber,
unsigned long *len );
LDAP_API(unsigned long) LDAP_CALL ber_get_int( BerElement *ber, long *num );
LDAP_API(unsigned long) LDAP_CALL ber_get_stringb( BerElement *ber, char *buf,
unsigned long *len );
LDAP_API(unsigned long) LDAP_CALL ber_get_stringa( BerElement *ber,
char **buf );
LDAP_API(unsigned long) LDAP_CALL ber_get_stringal( BerElement *ber,
struct berval **bv );
LDAP_API(unsigned long) LDAP_CALL ber_get_bitstringa( BerElement *ber,
char **buf, unsigned long *len );
LDAP_API(unsigned long) LDAP_CALL ber_get_null( BerElement *ber );
LDAP_API(unsigned long) LDAP_CALL ber_get_boolean( BerElement *ber,
int *boolval );
LDAP_API(unsigned long) LDAP_CALL ber_first_element( BerElement *ber,
unsigned long *len, char **last );
LDAP_API(unsigned long) LDAP_CALL ber_next_element( BerElement *ber,
unsigned long *len, char *last );
LDAP_API(unsigned long) LDAP_C ber_scanf( BerElement *ber, char *fmt, ... );
LDAP_API(void) LDAP_CALL ber_bvfree( struct berval *bv );
LDAP_API(void) LDAP_CALL ber_bvecfree( struct berval **bv );
LDAP_API(struct berval *) LDAP_CALL ber_bvdup( struct berval *bv );
LDAP_API(void) LDAP_CALL ber_set_string_translators( BerElement *ber,
BERTranslateProc encode_proc, BERTranslateProc decode_proc );
LDAP_API(BerElement *) LDAP_CALL ber_init ( struct berval *bv );
/*
* encoding routines
*/
LDAP_API(int) LDAP_CALL ber_put_enum( BerElement *ber, long num,
unsigned long tag );
LDAP_API(int) LDAP_CALL ber_put_int( BerElement *ber, long num,
unsigned long tag );
LDAP_API(int) LDAP_CALL ber_put_ostring( BerElement *ber, char *str,
unsigned long len, unsigned long tag );
LDAP_API(int) LDAP_CALL ber_put_string( BerElement *ber, char *str,
unsigned long tag );
LDAP_API(int) LDAP_CALL ber_put_bitstring( BerElement *ber, char *str,
unsigned long bitlen, unsigned long tag );
LDAP_API(int) LDAP_CALL ber_put_null( BerElement *ber, unsigned long tag );
LDAP_API(int) LDAP_CALL ber_put_boolean( BerElement *ber, int boolval,
unsigned long tag );
LDAP_API(int) LDAP_CALL ber_start_seq( BerElement *ber, unsigned long tag );
LDAP_API(int) LDAP_CALL ber_start_set( BerElement *ber, unsigned long tag );
LDAP_API(int) LDAP_CALL ber_put_seq( BerElement *ber );
LDAP_API(int) LDAP_CALL ber_put_set( BerElement *ber );
LDAP_API(int) LDAP_C ber_printf( BerElement *ber, char *fmt, ... );
LDAP_API(int) LDAP_CALL ber_flatten( BerElement *ber, struct berval **bvPtr );
/*
* miscellaneous routines
*/
LDAP_API(void) LDAP_CALL ber_free( BerElement *ber, int freebuf );
LDAP_API(void) LDAP_CALL ber_special_free(void* buf, BerElement *ber);
LDAP_API(int) LDAP_CALL ber_flush( Sockbuf *sb, BerElement *ber, int freeit );
LDAP_API(BerElement*) LDAP_CALL ber_alloc( void );
LDAP_API(BerElement*) LDAP_CALL der_alloc( void );
LDAP_API(BerElement*) LDAP_CALL ber_alloc_t( int options );
LDAP_API(void*) LDAP_CALL ber_special_alloc(size_t size, BerElement **ppBer);
LDAP_API(BerElement*) LDAP_CALL ber_dup( BerElement *ber );
LDAP_API(unsigned long) LDAP_CALL ber_get_next( Sockbuf *sb, unsigned long *len,
BerElement *ber );
LDAP_API(unsigned long) LDAP_CALL ber_get_next_buffer( void *buffer,
size_t buffer_size, unsigned long *len, BerElement *ber,
unsigned long *Bytes_Scanned );
LDAP_API(long) LDAP_CALL ber_read( BerElement *ber, char *buf,
unsigned long len );
LDAP_API(long) LDAP_CALL ber_write( BerElement *ber, char *buf,
unsigned long len, int nosos );
LDAP_API(void) LDAP_CALL ber_init_w_nullchar( BerElement *ber, int options );
LDAP_API(void) LDAP_CALL ber_reset( BerElement *ber, int was_writing );
LDAP_API(int) LDAP_CALL ber_set_option( BerElement *ber, int option,
void *value );
LDAP_API(int) LDAP_CALL ber_get_option( BerElement *ber, int option,
void *value );
LDAP_API(Sockbuf*) LDAP_CALL ber_sockbuf_alloc( void );
LDAP_API(void) LDAP_CALL ber_sockbuf_free( Sockbuf* p );
LDAP_API(int) LDAP_CALL ber_sockbuf_set_option( Sockbuf *sb, int option,
void *value );
LDAP_API(int) LDAP_CALL ber_sockbuf_get_option( Sockbuf *sb, int option,
void *value );
#ifdef __cplusplus
}
#endif
#endif /* _LBER_H */