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wine-wine/dlls/wldap32/page.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 "wine/port.h"
#include <stdarg.h>
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif
#ifndef LDAP_MAXINT
#define LDAP_MAXINT 2147483647
#endif
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winldap_private.h"
#include "wldap32.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wldap32);
#ifdef HAVE_LDAP
static struct berval null_cookie = { 0, NULL };
#endif
/***********************************************************************
* ldap_create_page_controlA (WLDAP32.@)
*
* See ldap_create_page_controlW.
*/
ULONG CDECL ldap_create_page_controlA( WLDAP32_LDAP *ld, ULONG pagesize,
struct WLDAP32_berval *cookie, UCHAR critical, PLDAPControlA *control )
{
ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
#ifdef HAVE_LDAP
LDAPControlW *controlW = NULL;
TRACE( "(%p, 0x%08x, %p, 0x%02x, %p)\n", ld, pagesize, cookie,
critical, control );
if (!ld || !control || pagesize > LDAP_MAXINT)
return WLDAP32_LDAP_PARAM_ERROR;
ret = ldap_create_page_controlW( ld, pagesize, cookie, critical, &controlW );
if (ret == LDAP_SUCCESS)
{
*control = controlWtoA( controlW );
ldap_control_freeW( controlW );
}
#endif
return ret;
}
#ifdef HAVE_LDAP
/* create a page control by hand */
static ULONG create_page_control( ULONG pagesize, struct WLDAP32_berval *cookie,
UCHAR critical, PLDAPControlW *control )
{
LDAPControlW *ctrl;
BerElement *ber;
ber_tag_t tag;
struct berval *berval;
INT ret, len;
char *val;
ber = ber_alloc_t( LBER_USE_DER );
if (!ber) return WLDAP32_LDAP_NO_MEMORY;
if (cookie)
tag = ber_printf( ber, "{iO}", (ber_int_t)pagesize, cookie );
else
tag = ber_printf( ber, "{iO}", (ber_int_t)pagesize, &null_cookie );
ret = ber_flatten( ber, &berval );
ber_free( ber, 1 );
if (tag == LBER_ERROR)
return WLDAP32_LDAP_ENCODING_ERROR;
if (ret == -1)
return WLDAP32_LDAP_NO_MEMORY;
/* copy the berval so it can be properly freed by the caller */
if (!(val = heap_alloc( berval->bv_len ))) return WLDAP32_LDAP_NO_MEMORY;
len = berval->bv_len;
memcpy( val, berval->bv_val, len );
ber_bvfree( berval );
if (!(ctrl = heap_alloc( sizeof(LDAPControlW) )))
{
heap_free( val );
return WLDAP32_LDAP_NO_MEMORY;
}
ctrl->ldctl_oid = strAtoW( LDAP_PAGED_RESULT_OID_STRING );
ctrl->ldctl_value.bv_len = len;
ctrl->ldctl_value.bv_val = val;
ctrl->ldctl_iscritical = critical;
*control = ctrl;
return WLDAP32_LDAP_SUCCESS;
}
#endif /* HAVE_LDAP */
/***********************************************************************
* ldap_create_page_controlW (WLDAP32.@)
*
* Create a control for paged search results.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* pagesize [I] Number of entries to return per page.
* cookie [I] Used by the server to track its location in the
* search results.
* critical [I] Tells the server this control is critical to the
* search operation.
* control [O] LDAPControl created.
*
* RETURNS
* Success: LDAP_SUCCESS
* Failure: An LDAP error code.
*/
ULONG CDECL ldap_create_page_controlW( WLDAP32_LDAP *ld, ULONG pagesize,
struct WLDAP32_berval *cookie, UCHAR critical, PLDAPControlW *control )
{
#ifdef HAVE_LDAP
TRACE( "(%p, 0x%08x, %p, 0x%02x, %p)\n", ld, pagesize, cookie,
critical, control );
if (!ld || !control || pagesize > LDAP_MAXINT)
return WLDAP32_LDAP_PARAM_ERROR;
return create_page_control( pagesize, cookie, critical, control );
#else
return WLDAP32_LDAP_NOT_SUPPORTED;
#endif
}
ULONG CDECL ldap_get_next_page( WLDAP32_LDAP *ld, PLDAPSearch search, ULONG pagesize,
ULONG *message )
{
FIXME( "(%p, %p, 0x%08x, %p)\n", ld, search, pagesize, message );
if (!ld) return ~0u;
return WLDAP32_LDAP_NOT_SUPPORTED;
}
ULONG CDECL ldap_get_next_page_s( WLDAP32_LDAP *ld, PLDAPSearch search,
struct l_timeval *timeout, ULONG pagesize, ULONG *count,
WLDAP32_LDAPMessage **results )
{
#ifdef HAVE_LDAP
ULONG ret;
TRACE( "(%p, %p, %p, %u, %p, %p)\n", ld, search, timeout,
pagesize, count, results );
if (!ld || !search || !count || !results) return ~0u;
if (search->cookie && search->cookie->bv_len == 0)
{
/* end of paged results */
*count = 0;
*results = NULL;
return WLDAP32_LDAP_NO_RESULTS_RETURNED;
}
if (search->serverctrls[0])
{
controlfreeW( search->serverctrls[0] );
search->serverctrls[0] = NULL;
}
TRACE("search->cookie: %s\n", search->cookie ? debugstr_an(search->cookie->bv_val, search->cookie->bv_len) : "NULL");
ret = ldap_create_page_controlW( ld, pagesize, (struct WLDAP32_berval *)search->cookie, 1, &search->serverctrls[0] );
if (ret != WLDAP32_LDAP_SUCCESS) return ret;
ret = ldap_search_ext_sW( ld, search->dn, search->scope,
search->filter, search->attrs, search->attrsonly,
search->serverctrls, search->clientctrls,
search->timeout.tv_sec ? &search->timeout : NULL, search->sizelimit, results );
if (ret != WLDAP32_LDAP_SUCCESS) return ret;
return ldap_get_paged_count( ld, search, count, *results );
#endif
return WLDAP32_LDAP_NOT_SUPPORTED;
}
ULONG CDECL ldap_get_paged_count( WLDAP32_LDAP *ld, PLDAPSearch search,
ULONG *count, WLDAP32_LDAPMessage *results )
{
#ifdef HAVE_LDAP
ULONG ret;
LDAPControlW **server_ctrls = NULL;
TRACE( "(%p, %p, %p, %p)\n", ld, search, count, results );
if (!ld || !count || !results) return WLDAP32_LDAP_PARAM_ERROR;
*count = 0;
ret = ldap_parse_resultW( ld, results, NULL, NULL, NULL, NULL, &server_ctrls, 0 );
if (ret != WLDAP32_LDAP_SUCCESS) return ret;
if (!server_ctrls) /* assume end of paged results */
{
search->cookie = &null_cookie;
return WLDAP32_LDAP_SUCCESS;
}
if (search->cookie)
{
ber_bvfree( search->cookie );
search->cookie = NULL;
}
ret = ldap_parse_page_controlW( ld, server_ctrls, count, (struct WLDAP32_berval **)&search->cookie );
if (ret == WLDAP32_LDAP_SUCCESS)
TRACE("new search->cookie: %s, count %u\n", debugstr_an(search->cookie->bv_val, search->cookie->bv_len), *count);
ldap_controls_freeW( server_ctrls );
return ret;
#endif
return WLDAP32_LDAP_NOT_SUPPORTED;
}
/***********************************************************************
* ldap_parse_page_controlA (WLDAP32.@)
*/
ULONG CDECL ldap_parse_page_controlA( WLDAP32_LDAP *ld, PLDAPControlA *ctrls,
ULONG *count, struct WLDAP32_berval **cookie )
{
ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
#ifdef HAVE_LDAP
LDAPControlW **ctrlsW = NULL;
TRACE( "(%p, %p, %p, %p)\n", ld, ctrls, count, cookie );
if (!ld || !ctrls || !count || !cookie)
return WLDAP32_LDAP_PARAM_ERROR;
ctrlsW = controlarrayAtoW( ctrls );
if (!ctrlsW) return WLDAP32_LDAP_NO_MEMORY;
ret = ldap_parse_page_controlW( ld, ctrlsW, count, cookie );
controlarrayfreeW( ctrlsW );
#endif
return ret;
}
/***********************************************************************
* ldap_parse_page_controlW (WLDAP32.@)
*/
ULONG CDECL ldap_parse_page_controlW( WLDAP32_LDAP *ld, PLDAPControlW *ctrls,
ULONG *count, struct WLDAP32_berval **cookie )
{
ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
#ifdef HAVE_LDAP
LDAPControlW *control = NULL;
BerElement *ber;
ber_tag_t tag;
ULONG i;
TRACE( "(%p, %p, %p, %p)\n", ld, ctrls, count, cookie );
if (!ld || !ctrls || !count || !cookie)
return WLDAP32_LDAP_PARAM_ERROR;
for (i = 0; ctrls[i]; i++)
{
if (!lstrcmpW( LDAP_PAGED_RESULT_OID_STRING_W, ctrls[i]->ldctl_oid ))
control = ctrls[i];
}
if (!control)
return WLDAP32_LDAP_CONTROL_NOT_FOUND;
ber = ber_init( &((LDAPControl *)control)->ldctl_value );
if (!ber)
return WLDAP32_LDAP_NO_MEMORY;
tag = ber_scanf( ber, "{iO}", count, cookie );
if ( tag == LBER_ERROR )
ret = WLDAP32_LDAP_DECODING_ERROR;
else
ret = WLDAP32_LDAP_SUCCESS;
ber_free( ber, 1 );
#endif
return ret;
}
ULONG CDECL ldap_search_abandon_page( WLDAP32_LDAP *ld, PLDAPSearch search )
{
#ifdef HAVE_LDAP
LDAPControlW **ctrls;
TRACE( "(%p, %p)\n", ld, search );
if (!ld || !search) return ~0u;
strfreeW( search->dn );
strfreeW( search->filter );
strarrayfreeW( search->attrs );
ctrls = search->serverctrls;
controlfreeW( ctrls[0] ); /* page control */
ctrls++;
while (*ctrls) controlfreeW( *ctrls++ );
heap_free( search->serverctrls );
controlarrayfreeW( search->clientctrls );
if (search->cookie && search->cookie != &null_cookie)
ber_bvfree( search->cookie );
heap_free( search );
return WLDAP32_LDAP_SUCCESS;
#else
return WLDAP32_LDAP_NOT_SUPPORTED;
#endif
}
PLDAPSearch CDECL ldap_search_init_pageA( WLDAP32_LDAP *ld, PCHAR dn, ULONG scope,
PCHAR filter, PCHAR attrs[], ULONG attrsonly, PLDAPControlA *serverctrls,
PLDAPControlA *clientctrls, ULONG timelimit, ULONG sizelimit, PLDAPSortKeyA *sortkeys )
{
FIXME( "(%p, %s, 0x%08x, %s, %p, 0x%08x)\n", ld, debugstr_a(dn),
scope, debugstr_a(filter), attrs, attrsonly );
return NULL;
}
PLDAPSearch CDECL ldap_search_init_pageW( WLDAP32_LDAP *ld, PWCHAR dn, ULONG scope,
PWCHAR filter, PWCHAR attrs[], ULONG attrsonly, PLDAPControlW *serverctrls,
PLDAPControlW *clientctrls, ULONG timelimit, ULONG sizelimit, PLDAPSortKeyW *sortkeys )
{
#ifdef HAVE_LDAP
LDAPSearch *search;
DWORD i, len;
TRACE( "(%p, %s, 0x%08x, %s, %p, 0x%08x, %p, %p, 0x%08x, 0x%08x, %p)\n",
ld, debugstr_w(dn), scope, debugstr_w(filter), attrs, attrsonly,
serverctrls, clientctrls, timelimit, sizelimit, sortkeys );
search = heap_alloc_zero( sizeof(*search) );
if (!search)
{
ld->ld_errno = WLDAP32_LDAP_NO_MEMORY;
return NULL;
}
if (dn)
{
search->dn = strdupW( dn );
if (!search->dn) goto fail;
}
if (filter)
{
search->filter = strdupW( filter );
if (!search->filter) goto fail;
}
if (attrs)
{
search->attrs = strarraydupW( attrs );
if (!search->attrs) goto fail;
}
len = serverctrls ? controlarraylenW( serverctrls ) : 0;
search->serverctrls = heap_alloc( sizeof(LDAPControl *) * (len + 2) );
if (!search->serverctrls) goto fail;
search->serverctrls[0] = NULL; /* reserve 0 for page control */
for (i = 0; i < len; i++)
{
search->serverctrls[i + 1] = controldupW( serverctrls[i] );
if (!search->serverctrls[i + 1]) goto fail;
}
search->serverctrls[len + 1] = NULL;
if (clientctrls)
{
search->clientctrls = controlarraydupW( clientctrls );
if (!search->clientctrls) goto fail;
}
search->scope = scope;
search->attrsonly = attrsonly;
search->timeout.tv_sec = timelimit;
search->timeout.tv_usec = 0;
search->sizelimit = sizelimit;
search->cookie = NULL;
return search;
fail:
ldap_search_abandon_page( ld, search );
ld->ld_errno = WLDAP32_LDAP_NO_MEMORY;
#endif
return NULL;
}
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