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wine/dlls/wldap32/ber.c

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/*
* WLDAP32 - LDAP support for Wine
*
* Copyright 2005 Hans Leidekker
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winldap.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wldap32);
#ifndef LBER_ERROR
# define LBER_ERROR (~0U)
#endif
/***********************************************************************
* ber_alloc_t (WLDAP32.@)
*
* Allocate a berelement structure.
*
* PARAMS
* options [I] Must be LBER_USE_DER.
*
* RETURNS
* Success: Pointer to an allocated berelement structure.
* Failure: NULL
*
* NOTES
* Free the berelement structure with ber_free.
*/
BerElement * CDECL WLDAP32_ber_alloc_t( INT options )
{
#ifdef HAVE_LDAP
return ber_alloc_t( options );
#else
return NULL;
#endif
}
/***********************************************************************
* ber_bvdup (WLDAP32.@)
*
* Copy a berval structure.
*
* PARAMS
* berval [I] Pointer to the berval structure to be copied.
*
* RETURNS
* Success: Pointer to a copy of the berval structure.
* Failure: NULL
*
* NOTES
* Free the copy with ber_bvfree.
*/
BERVAL * CDECL WLDAP32_ber_bvdup( BERVAL *berval )
{
#ifdef HAVE_LDAP
return ber_bvdup( berval );
#else
return NULL;
#endif
}
/***********************************************************************
* ber_bvecfree (WLDAP32.@)
*
* Free an array of berval structures.
*
* PARAMS
* berval [I] Pointer to an array of berval structures.
*
* RETURNS
* Nothing.
*
* NOTES
* Use this function only to free an array of berval structures
* returned by a call to ber_scanf with a 'V' in the format string.
*/
void CDECL WLDAP32_ber_bvecfree( PBERVAL *berval )
{
#ifdef HAVE_LDAP
ber_bvecfree( berval );
#endif
}
/***********************************************************************
* ber_bvfree (WLDAP32.@)
*
* Free a berval structure.
*
* PARAMS
* berval [I] Pointer to a berval structure.
*
* RETURNS
* Nothing.
*
* NOTES
* Use this function only to free berval structures allocated by
* an LDAP API.
*/
void CDECL WLDAP32_ber_bvfree( BERVAL *berval )
{
#ifdef HAVE_LDAP
ber_bvfree( berval );
#endif
}
/***********************************************************************
* ber_first_element (WLDAP32.@)
*
* Return the tag of the first element in a set or sequence.
*
* PARAMS
* berelement [I] Pointer to a berelement structure.
* len [O] Receives the length of the first element.
* opaque [O] Receives a pointer to a cookie.
*
* RETURNS
* Success: Tag of the first element.
* Failure: LBER_DEFAULT (no more data).
*
* NOTES
* len and cookie should be passed to ber_next_element.
*/
ULONG CDECL WLDAP32_ber_first_element( BerElement *berelement, ULONG *len, CHAR **opaque )
{
#ifdef HAVE_LDAP
return ber_first_element( berelement, len, opaque );
#else
return LBER_ERROR;
#endif
}
/***********************************************************************
* ber_flatten (WLDAP32.@)
*
* Flatten a berelement structure into a berval structure.
*
* PARAMS
* berelement [I] Pointer to a berelement structure.
* berval [O] Pointer to a berval structure.
*
* RETURNS
* Success: 0
* Failure: LBER_ERROR
*
* NOTES
* Free the berval structure with ber_bvfree.
*/
INT CDECL WLDAP32_ber_flatten( BerElement *berelement, PBERVAL *berval )
{
#ifdef HAVE_LDAP
return ber_flatten( berelement, berval );
#else
return LBER_ERROR;
#endif
}
/***********************************************************************
* ber_free (WLDAP32.@)
*
* Free a berelement structure.
*
* PARAMS
* berelement [I] Pointer to the berelement structure to be freed.
* buf [I] Flag.
*
* RETURNS
* Nothing.
*
* NOTES
* Set buf to 0 if the berelement was allocated with ldap_first_attribute
* or ldap_next_attribute, otherwise set it to 1.
*/
void CDECL WLDAP32_ber_free( BerElement *berelement, INT buf )
{
#ifdef HAVE_LDAP
ber_free( berelement, buf );
#endif
}
/***********************************************************************
* ber_init (WLDAP32.@)
*
* Initialise a berelement structure from a berval structure.
*
* PARAMS
* berval [I] Pointer to a berval structure.
*
* RETURNS
* Success: Pointer to a berelement structure.
* Failure: NULL
*
* NOTES
* Call ber_free to free the returned berelement structure.
*/
BerElement * CDECL WLDAP32_ber_init( BERVAL *berval )
{
#ifdef HAVE_LDAP
return ber_init( berval );
#else
return NULL;
#endif
}
/***********************************************************************
* ber_next_element (WLDAP32.@)
*
* Return the tag of the next element in a set or sequence.
*
* PARAMS
* berelement [I] Pointer to a berelement structure.
* len [I/O] Receives the length of the next element.
* opaque [I/O] Pointer to a cookie.
*
* RETURNS
* Success: Tag of the next element.
* Failure: LBER_DEFAULT (no more data).
*
* NOTES
* len and cookie are initialized by ber_first_element and should
* be passed on in subsequent calls to ber_next_element.
*/
ULONG CDECL WLDAP32_ber_next_element( BerElement *berelement, ULONG *len, CHAR *opaque )
{
#ifdef HAVE_LDAP
return ber_next_element( berelement, len, opaque );
#else
return LBER_ERROR;
#endif
}
/***********************************************************************
* ber_peek_tag (WLDAP32.@)
*
* Return the tag of the next element.
*
* PARAMS
* berelement [I] Pointer to a berelement structure.
* len [O] Receives the length of the next element.
*
* RETURNS
* Success: Tag of the next element.
* Failure: LBER_DEFAULT (no more data).
*/
ULONG CDECL WLDAP32_ber_peek_tag( BerElement *berelement, ULONG *len )
{
#ifdef HAVE_LDAP
return ber_peek_tag( berelement, len );
#else
return LBER_ERROR;
#endif
}
/***********************************************************************
* ber_skip_tag (WLDAP32.@)
*
* Skip the current tag and return the tag of the next element.
*
* PARAMS
* berelement [I] Pointer to a berelement structure.
* len [O] Receives the length of the skipped element.
*
* RETURNS
* Success: Tag of the next element.
* Failure: LBER_DEFAULT (no more data).
*/
ULONG CDECL WLDAP32_ber_skip_tag( BerElement *berelement, ULONG *len )
{
#ifdef HAVE_LDAP
return ber_skip_tag( berelement, len );
#else
return LBER_ERROR;
#endif
}
/***********************************************************************
* ber_printf (WLDAP32.@)
*
* Encode a berelement structure.
*
* PARAMS
* berelement [I/O] Pointer to a berelement structure.
* fmt [I] Format string.
* ... [I] Values to encode.
*
* RETURNS
* Success: Non-negative number.
* Failure: LBER_ERROR
*
* NOTES
* berelement must have been allocated with ber_alloc_t. This function
* can be called multiple times to append data.
*/
INT CDECL WLDAP32_ber_printf( BerElement *berelement, PCHAR fmt, ... )
{
#ifdef HAVE_LDAP
__ms_va_list list;
int ret = 0;
char new_fmt[2];
new_fmt[1] = 0;
__ms_va_start( list, fmt );
while (*fmt)
{
new_fmt[0] = *fmt++;
switch(new_fmt[0])
{
case 'b':
case 'e':
case 'i':
{
int i = va_arg( list, int );
ret = ber_printf( berelement, new_fmt, i );
break;
}
case 'o':
case 's':
{
char *str = va_arg( list, char * );
ret = ber_printf( berelement, new_fmt, str );
break;
}
case 't':
{
unsigned int tag = va_arg( list, unsigned int );
ret = ber_printf( berelement, new_fmt, tag );
break;
}
case 'v':
{
char **array = va_arg( list, char ** );
ret = ber_printf( berelement, new_fmt, array );
break;
}
case 'V':
{
struct berval **array = va_arg( list, struct berval ** );
ret = ber_printf( berelement, new_fmt, array );
break;
}
case 'X':
{
char *str = va_arg( list, char * );
int len = va_arg( list, int );
new_fmt[0] = 'B'; /* 'X' is deprecated */
ret = ber_printf( berelement, new_fmt, str, len );
break;
}
case 'n':
case '{':
case '}':
case '[':
case ']':
ret = ber_printf( berelement, new_fmt );
break;
default:
FIXME( "Unknown format '%c'\n", new_fmt[0] );
ret = -1;
break;
}
if (ret == -1) break;
}
__ms_va_end( list );
return ret;
#else
return LBER_ERROR;
#endif
}
/***********************************************************************
* ber_scanf (WLDAP32.@)
*
* Decode a berelement structure.
*
* PARAMS
* berelement [I/O] Pointer to a berelement structure.
* fmt [I] Format string.
* ... [I] Pointers to values to be decoded.
*
* RETURNS
* Success: Non-negative number.
* Failure: LBER_ERROR
*
* NOTES
* berelement must have been allocated with ber_init. This function
* can be called multiple times to decode data.
*/
INT CDECL WLDAP32_ber_scanf( BerElement *berelement, PCHAR fmt, ... )
{
#ifdef HAVE_LDAP
__ms_va_list list;
int ret = 0;
char new_fmt[2];
new_fmt[1] = 0;
__ms_va_start( list, fmt );
while (*fmt)
{
new_fmt[0] = *fmt++;
switch(new_fmt[0])
{
case 'a':
{
char **ptr = va_arg( list, char ** );
ret = ber_scanf( berelement, new_fmt, ptr );
break;
}
case 'b':
case 'e':
case 'i':
{
int *i = va_arg( list, int * );
ret = ber_scanf( berelement, new_fmt, i );
break;
}
case 't':
{
unsigned int *tag = va_arg( list, unsigned int * );
ret = ber_scanf( berelement, new_fmt, tag );
break;
}
case 'v':
{
char ***array = va_arg( list, char *** );
ret = ber_scanf( berelement, new_fmt, array );
break;
}
case 'B':
{
char **str = va_arg( list, char ** );
int *len = va_arg( list, int * );
ret = ber_scanf( berelement, new_fmt, str, len );
break;
}
case 'O':
{
struct berval **ptr = va_arg( list, struct berval ** );
ret = ber_scanf( berelement, new_fmt, ptr );
break;
}
case 'V':
{
struct berval ***array = va_arg( list, struct berval *** );
ret = ber_scanf( berelement, new_fmt, array );
break;
}
case 'n':
case 'x':
case '{':
case '}':
case '[':
case ']':
ret = ber_scanf( berelement, new_fmt );
break;
default:
FIXME( "Unknown format '%c'\n", new_fmt[0] );
ret = -1;
break;
}
if (ret == -1) break;
}
__ms_va_end( list );
return ret;
#else
return LBER_ERROR;
#endif
}
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