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322 lines
12 KiB
C
322 lines
12 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* lber.h - header file for ber_* functions */
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#ifndef _LBER_H
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#define _LBER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdlib.h> /* to pick up size_t typedef */
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/*
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* Note that LBER_ERROR and LBER_DEFAULT are values that can never appear
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* as valid BER tags, and so it is safe to use them to report errors. In
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* fact, any tag for which the following is true is invalid:
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* (( tag & 0x00000080 ) != 0 ) && (( tag & 0xFFFFFF00 ) != 0 )
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*/
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#define LBER_ERROR 0xffffffffUL
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#define LBER_DEFAULT 0xffffffffUL
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#define LBER_END_OF_SEQORSET 0xfffffffeUL
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/* BER classes and mask */
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#define LBER_CLASS_UNIVERSAL 0x00
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#define LBER_CLASS_APPLICATION 0x40
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#define LBER_CLASS_CONTEXT 0x80
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#define LBER_CLASS_PRIVATE 0xc0
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#define LBER_CLASS_MASK 0xc0
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/* BER encoding type and mask */
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#define LBER_PRIMITIVE 0x00
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#define LBER_CONSTRUCTED 0x20
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#define LBER_ENCODING_MASK 0x20
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#define LBER_BIG_TAG_MASK 0x1f
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#define LBER_MORE_TAG_MASK 0x80
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/* general BER types we know about */
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#define LBER_BOOLEAN 0x01L
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#define LBER_INTEGER 0x02L
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#define LBER_BITSTRING 0x03L
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#define LBER_OCTETSTRING 0x04L
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#define LBER_NULL 0x05L
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#define LBER_ENUMERATED 0x0aL
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#define LBER_SEQUENCE 0x30L
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#define LBER_SET 0x31L
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/* BerElement set/get options */
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#define LBER_OPT_REMAINING_BYTES 0x01
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#define LBER_OPT_TOTAL_BYTES 0x02
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#define LBER_OPT_USE_DER 0x04
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#define LBER_OPT_TRANSLATE_STRINGS 0x08
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#define LBER_OPT_BYTES_TO_WRITE 0x10
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#define LBER_OPT_MEMALLOC_FN_PTRS 0x20
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#define LBER_OPT_DEBUG_LEVEL 0x40
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/*
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* LBER_USE_DER is defined for compatibility with the C LDAP API RFC.
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* In our implementation, we recognize it (instead of the numerically
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* identical LBER_OPT_REMAINING_BYTES) in calls to ber_alloc_t() and
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* ber_init_w_nullchar() only. Callers of ber_set_option() or
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* ber_get_option() must use LBER_OPT_USE_DER instead. Sorry!
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*/
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#define LBER_USE_DER 0x01
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/* Sockbuf set/get options */
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#define LBER_SOCKBUF_OPT_TO_FILE 0x001
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#define LBER_SOCKBUF_OPT_TO_FILE_ONLY 0x002
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#define LBER_SOCKBUF_OPT_MAX_INCOMING_SIZE 0x004
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#define LBER_SOCKBUF_OPT_NO_READ_AHEAD 0x008
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#define LBER_SOCKBUF_OPT_DESC 0x010
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#define LBER_SOCKBUF_OPT_COPYDESC 0x020
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#define LBER_SOCKBUF_OPT_READ_FN 0x040
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#define LBER_SOCKBUF_OPT_WRITE_FN 0x080
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#define LBER_SOCKBUF_OPT_EXT_IO_FNS 0x100
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#define LBER_SOCKBUF_OPT_VALID_TAG 0x200
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#define LBER_OPT_ON ((void *) 1)
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#define LBER_OPT_OFF ((void *) 0)
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typedef struct berval {
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unsigned long bv_len;
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char *bv_val;
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} BerValue;
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typedef struct berelement BerElement;
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typedef struct sockbuf Sockbuf;
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typedef int (*BERTranslateProc)( char **bufp, unsigned long *buflenp,
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int free_input );
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#if defined( _WINDOWS ) || defined( _WIN32) || defined( _CONSOLE )
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#include <winsock.h> /* for SOCKET */
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typedef SOCKET LBER_SOCKET;
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#else
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typedef int LBER_SOCKET;
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#endif /* _WINDOWS */
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/* calling conventions used by library */
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#ifndef LDAP_CALL
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#if defined( _WINDOWS ) || defined( _WIN32 )
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#define LDAP_C __cdecl
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#ifndef _WIN32
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#define __stdcall _far _pascal
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#define LDAP_CALLBACK _loadds
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#else
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#define LDAP_CALLBACK
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#endif /* _WIN32 */
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#define LDAP_PASCAL __stdcall
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#define LDAP_CALL LDAP_PASCAL
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#else /* _WINDOWS */
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#define LDAP_C
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#define LDAP_CALLBACK
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#define LDAP_PASCAL
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#define LDAP_CALL
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#endif /* _WINDOWS */
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#endif /* LDAP_CALL */
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/*
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* function prototypes for lber library
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*/
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#ifndef LDAP_API
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#if defined( _WINDOWS ) || defined( _WIN32 )
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#define LDAP_API(rt) rt
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#else /* _WINDOWS */
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#define LDAP_API(rt) rt
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#endif /* _WINDOWS */
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#endif /* LDAP_API */
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struct lextiof_socket_private; /* Defined by the extended I/O */
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/* callback functions */
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struct lextiof_session_private; /* Defined by the extended I/O */
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/* callback functions */
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/* This is modeled after the PRIOVec that is passed to the NSPR
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writev function! The void* is a char* in that struct */
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typedef struct ldap_x_iovec {
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char *ldapiov_base;
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int ldapiov_len;
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} ldap_x_iovec;
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/*
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* libldap read and write I/O function callbacks. The rest of the I/O callback
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* types are defined in ldap.h
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*/
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typedef int (LDAP_C LDAP_CALLBACK LDAP_IOF_READ_CALLBACK)( LBER_SOCKET s,
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void *buf, int bufsize );
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typedef int (LDAP_C LDAP_CALLBACK LDAP_IOF_WRITE_CALLBACK)( LBER_SOCKET s,
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const void *buf, int len );
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typedef int (LDAP_C LDAP_CALLBACK LDAP_X_EXTIOF_READ_CALLBACK)( int s,
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void *buf, int bufsize, struct lextiof_socket_private *socketarg );
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typedef int (LDAP_C LDAP_CALLBACK LDAP_X_EXTIOF_WRITE_CALLBACK)( int s,
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const void *buf, int len, struct lextiof_socket_private *socketarg );
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typedef int (LDAP_C LDAP_CALLBACK LDAP_X_EXTIOF_WRITEV_CALLBACK)(int s,
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const ldap_x_iovec iov[], int iovcnt, struct lextiof_socket_private *socketarg);
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/*
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* Structure for use with LBER_SOCKBUF_OPT_EXT_IO_FNS:
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*/
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struct lber_x_ext_io_fns {
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/* lbextiofn_size should always be set to LBER_X_EXTIO_FNS_SIZE */
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int lbextiofn_size;
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LDAP_X_EXTIOF_READ_CALLBACK *lbextiofn_read;
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LDAP_X_EXTIOF_WRITE_CALLBACK *lbextiofn_write;
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struct lextiof_socket_private *lbextiofn_socket_arg;
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LDAP_X_EXTIOF_WRITEV_CALLBACK *lbextiofn_writev;
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};
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#define LBER_X_EXTIO_FNS_SIZE sizeof(struct lber_x_ext_io_fns)
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/*
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* liblber memory allocation callback functions. These are global to all
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* Sockbufs and BerElements. Install your own functions by using a call
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* like this: ber_set_option( NULL, LBER_OPT_MEMALLOC_FN_PTRS, &memalloc_fns );
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*/
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typedef void * (LDAP_C LDAP_CALLBACK LDAP_MALLOC_CALLBACK)( size_t size );
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typedef void * (LDAP_C LDAP_CALLBACK LDAP_CALLOC_CALLBACK)( size_t nelem,
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size_t elsize );
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typedef void * (LDAP_C LDAP_CALLBACK LDAP_REALLOC_CALLBACK)( void *ptr,
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size_t size );
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typedef void (LDAP_C LDAP_CALLBACK LDAP_FREE_CALLBACK)( void *ptr );
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struct lber_memalloc_fns {
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LDAP_MALLOC_CALLBACK *lbermem_malloc;
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LDAP_CALLOC_CALLBACK *lbermem_calloc;
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LDAP_REALLOC_CALLBACK *lbermem_realloc;
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LDAP_FREE_CALLBACK *lbermem_free;
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};
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/*
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* decode routines
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*/
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LDAP_API(unsigned long) LDAP_CALL ber_get_tag( BerElement *ber );
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LDAP_API(unsigned long) LDAP_CALL ber_skip_tag( BerElement *ber,
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unsigned long *len );
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LDAP_API(unsigned long) LDAP_CALL ber_peek_tag( BerElement *ber,
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unsigned long *len );
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LDAP_API(unsigned long) LDAP_CALL ber_get_int( BerElement *ber, long *num );
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LDAP_API(unsigned long) LDAP_CALL ber_get_stringb( BerElement *ber, char *buf,
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unsigned long *len );
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LDAP_API(unsigned long) LDAP_CALL ber_get_stringa( BerElement *ber,
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char **buf );
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LDAP_API(unsigned long) LDAP_CALL ber_get_stringal( BerElement *ber,
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struct berval **bv );
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LDAP_API(unsigned long) LDAP_CALL ber_get_bitstringa( BerElement *ber,
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char **buf, unsigned long *len );
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LDAP_API(unsigned long) LDAP_CALL ber_get_null( BerElement *ber );
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LDAP_API(unsigned long) LDAP_CALL ber_get_boolean( BerElement *ber,
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int *boolval );
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LDAP_API(unsigned long) LDAP_CALL ber_first_element( BerElement *ber,
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unsigned long *len, char **last );
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LDAP_API(unsigned long) LDAP_CALL ber_next_element( BerElement *ber,
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unsigned long *len, char *last );
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LDAP_API(unsigned long) LDAP_C ber_scanf( BerElement *ber, const char *fmt,
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... );
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LDAP_API(void) LDAP_CALL ber_bvfree( struct berval *bv );
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LDAP_API(void) LDAP_CALL ber_bvecfree( struct berval **bv );
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LDAP_API(void) LDAP_CALL ber_svecfree( char **vals );
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LDAP_API(struct berval *) LDAP_CALL ber_bvdup( const struct berval *bv );
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LDAP_API(void) LDAP_CALL ber_set_string_translators( BerElement *ber,
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BERTranslateProc encode_proc, BERTranslateProc decode_proc );
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LDAP_API(BerElement *) LDAP_CALL ber_init( const struct berval *bv );
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/*
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* encoding routines
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*/
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LDAP_API(int) LDAP_CALL ber_put_enum( BerElement *ber, long num,
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unsigned long tag );
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LDAP_API(int) LDAP_CALL ber_put_int( BerElement *ber, long num,
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unsigned long tag );
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LDAP_API(int) LDAP_CALL ber_put_ostring( BerElement *ber, char *str,
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unsigned long len, unsigned long tag );
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LDAP_API(int) LDAP_CALL ber_put_string( BerElement *ber, char *str,
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unsigned long tag );
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LDAP_API(int) LDAP_CALL ber_put_bitstring( BerElement *ber, char *str,
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unsigned long bitlen, unsigned long tag );
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LDAP_API(int) LDAP_CALL ber_put_null( BerElement *ber, unsigned long tag );
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LDAP_API(int) LDAP_CALL ber_put_boolean( BerElement *ber, int boolval,
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unsigned long tag );
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LDAP_API(int) LDAP_CALL ber_start_seq( BerElement *ber, unsigned long tag );
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LDAP_API(int) LDAP_CALL ber_start_set( BerElement *ber, unsigned long tag );
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LDAP_API(int) LDAP_CALL ber_put_seq( BerElement *ber );
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LDAP_API(int) LDAP_CALL ber_put_set( BerElement *ber );
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LDAP_API(int) LDAP_C ber_printf( BerElement *ber, const char *fmt, ... );
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LDAP_API(int) LDAP_CALL ber_flatten( BerElement *ber,
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struct berval **bvPtr );
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/*
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* miscellaneous routines
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*/
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LDAP_API(void) LDAP_CALL ber_free( BerElement *ber, int freebuf );
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LDAP_API(void) LDAP_CALL ber_special_free(void* buf, BerElement *ber);
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LDAP_API(int) LDAP_CALL ber_flush( Sockbuf *sb, BerElement *ber, int freeit );
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LDAP_API(BerElement*) LDAP_CALL ber_alloc( void );
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LDAP_API(BerElement*) LDAP_CALL der_alloc( void );
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LDAP_API(BerElement*) LDAP_CALL ber_alloc_t( int options );
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LDAP_API(void*) LDAP_CALL ber_special_alloc(size_t size, BerElement **ppBer);
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LDAP_API(BerElement*) LDAP_CALL ber_dup( BerElement *ber );
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LDAP_API(unsigned long) LDAP_CALL ber_get_next( Sockbuf *sb, unsigned long *len,
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BerElement *ber );
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LDAP_API(unsigned long) LDAP_CALL ber_get_next_buffer( void *buffer,
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size_t buffer_size, unsigned long *len, BerElement *ber,
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unsigned long *Bytes_Scanned );
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LDAP_API(unsigned long) LDAP_CALL ber_get_next_buffer_ext( void *buffer,
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size_t buffer_size, unsigned long *len, BerElement *ber,
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unsigned long *Bytes_Scanned, Sockbuf *sb );
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LDAP_API(long) LDAP_CALL ber_read( BerElement *ber, char *buf,
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unsigned long len );
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LDAP_API(long) LDAP_CALL ber_write( BerElement *ber, char *buf,
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unsigned long len, int nosos );
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LDAP_API(void) LDAP_CALL ber_init_w_nullchar( BerElement *ber, int options );
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LDAP_API(void) LDAP_CALL ber_reset( BerElement *ber, int was_writing );
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LDAP_API(int) LDAP_CALL ber_set_option( BerElement *ber, int option,
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void *value );
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LDAP_API(int) LDAP_CALL ber_get_option( BerElement *ber, int option,
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void *value );
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LDAP_API(Sockbuf*) LDAP_CALL ber_sockbuf_alloc( void );
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LDAP_API(void) LDAP_CALL ber_sockbuf_free( Sockbuf* p );
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LDAP_API(int) LDAP_CALL ber_sockbuf_set_option( Sockbuf *sb, int option,
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void *value );
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LDAP_API(int) LDAP_CALL ber_sockbuf_get_option( Sockbuf *sb, int option,
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void *value );
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#ifdef __cplusplus
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}
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#endif
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#endif /* _LBER_H */
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