dlls/wldap32/page.c

   1 /*
   2  * WLDAP32 - LDAP support for Wine
   3  *
   4  * Copyright 2005 Hans Leidekker
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include "wine/port.h"
  24 #include "wine/debug.h"
  25
  26 #include <stdarg.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winnls.h"
  31
  32 #ifdef HAVE_LDAP_H
  33 #include <ldap.h>
  34 #else
  35 #define LDAP_SUCCESS        0x00
  36 #define LDAP_NOT_SUPPORTED  0x5c
  37 #endif
  38
  39 #include "winldap_private.h"
  40 #include "wldap32.h"
  41
  42 #ifndef LDAP_MAXINT
  43 #define LDAP_MAXINT  2147483647
  44 #endif
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(wldap32);
  47
  48 /***********************************************************************
  49  *      ldap_create_page_controlA     (WLDAP32.@)
  50  *
  51  * See ldap_create_page_controlW.
  52  */
  53 ULONG CDECL ldap_create_page_controlA( WLDAP32_LDAP *ld, ULONG pagesize,
  54     struct WLDAP32_berval *cookie, UCHAR critical, PLDAPControlA *control )
  55 {
  56     ULONG ret = LDAP_NOT_SUPPORTED;
  57 #ifdef HAVE_LDAP
  58     LDAPControlW *controlW = NULL;
  59
  60     TRACE( "(%p, 0x%08x, %p, 0x%02x, %p)\n", ld, pagesize, cookie,
  61            critical, control );
  62
  63     if (!ld || !control || pagesize > LDAP_MAXINT)
  64         return WLDAP32_LDAP_PARAM_ERROR;
  65
  66     ret = ldap_create_page_controlW( ld, pagesize, cookie, critical, &controlW );
  67     if (ret == LDAP_SUCCESS)
  68     {
  69         *control = controlWtoA( controlW );
  70         ldap_control_freeW( controlW );
  71     }
  72
  73 #endif
  74     return ret;
  75 }
  76
  77 #ifdef HAVE_LDAP
  78
  79 /* create a page control by hand */
  80 static ULONG create_page_control( ULONG pagesize, struct WLDAP32_berval *cookie,
  81     UCHAR critical, PLDAPControlW *control )
  82 {
  83     LDAPControlW *ctrl;
  84     BerElement *ber;
  85     ber_tag_t tag;
  86     struct berval *berval, null_cookie = { 0, NULL };
  87     INT ret, len;
  88     char *val;
  89
  90     ber = ber_alloc_t( LBER_USE_DER );
  91     if (!ber) return WLDAP32_LDAP_NO_MEMORY;
  92
  93     if (cookie)
  94         tag = ber_printf( ber, "{iO}", (ber_int_t)pagesize, cookie );
  95     else
  96         tag = ber_printf( ber, "{iO}", (ber_int_t)pagesize, &null_cookie );
  97
  98     ret = ber_flatten( ber, &berval );
  99     ber_free( ber, 1 );
 100
 101     if (tag == LBER_ERROR)
 102         return WLDAP32_LDAP_ENCODING_ERROR;
 103
 104     if (ret == -1)
 105         return WLDAP32_LDAP_NO_MEMORY;
 106
 107     /* copy the berval so it can be properly freed by the caller */
 108     val = HeapAlloc( GetProcessHeap(), 0, berval->bv_len );
 109     if (!val) return WLDAP32_LDAP_NO_MEMORY;
 110
 111     len = berval->bv_len;
 112     memcpy( val, berval->bv_val, len );
 113     ber_bvfree( berval );
 114
 115     ctrl = HeapAlloc( GetProcessHeap(), 0, sizeof(LDAPControlW) );
 116     if (!ctrl)
 117         return WLDAP32_LDAP_NO_MEMORY;
 118
 119     ctrl->ldctl_oid = strAtoW( LDAP_PAGED_RESULT_OID_STRING );
 120     ctrl->ldctl_value.bv_len = len;
 121     ctrl->ldctl_value.bv_val = val;
 122     ctrl->ldctl_iscritical = critical;
 123
 124     *control = ctrl;
 125
 126     return LDAP_SUCCESS;
 127 }
 128
 129 #endif /* HAVE_LDAP */
 130
 131 /***********************************************************************
 132  *      ldap_create_page_controlW     (WLDAP32.@)
 133  *
 134  * Create a control for paged search results.
 135  *
 136  * PARAMS
 137  *  ld        [I] Pointer to an LDAP context.
 138  *  pagesize  [I] Number of entries to return per page.
 139  *  cookie    [I] Used by the server to track its location in the
 140  *                search results.
 141  *  critical  [I] Tells the server this control is critical to the
 142  *                search operation.
 143  *  control   [O] LDAPControl created.
 144  *
 145  * RETURNS
 146  *  Success: LDAP_SUCCESS
 147  *  Failure: An LDAP error code.
 148  */
 149 ULONG CDECL ldap_create_page_controlW( WLDAP32_LDAP *ld, ULONG pagesize,
 150     struct WLDAP32_berval *cookie, UCHAR critical, PLDAPControlW *control )
 151 {
 152     ULONG ret = LDAP_NOT_SUPPORTED;
 153 #ifdef HAVE_LDAP
 154
 155     TRACE( "(%p, 0x%08x, %p, 0x%02x, %p)\n", ld, pagesize, cookie,
 156            critical, control );
 157
 158     if (!ld || !control || pagesize > LDAP_MAXINT)
 159         return WLDAP32_LDAP_PARAM_ERROR;
 160
 161     return create_page_control( pagesize, cookie, critical, control );
 162
 163 #endif
 164     return ret;
 165 }
 166
 167 ULONG CDECL ldap_get_next_page( WLDAP32_LDAP *ld, PLDAPSearch search, ULONG pagesize,
 168     ULONG *message )
 169 {
 170     FIXME( "(%p, %p, 0x%08x, %p)\n", ld, search, pagesize, message );
 171
 172     if (!ld) return ~0UL;
 173     return LDAP_NOT_SUPPORTED;
 174 }
 175
 176 ULONG CDECL ldap_get_next_page_s( WLDAP32_LDAP *ld, PLDAPSearch search,
 177     struct l_timeval *timeout, ULONG pagesize, ULONG *count,
 178     WLDAP32_LDAPMessage **results )
 179 {
 180     FIXME( "(%p, %p, %p, 0x%08x, %p, %p)\n", ld, search, timeout,
 181            pagesize, count, results );
 182
 183     if (!ld) return ~0UL;
 184     return LDAP_NOT_SUPPORTED;
 185 }
 186
 187 ULONG CDECL ldap_get_paged_count( WLDAP32_LDAP *ld, PLDAPSearch search,
 188     ULONG *count, WLDAP32_LDAPMessage *results )
 189 {
 190     ULONG ret = LDAP_NOT_SUPPORTED;
 191 #ifdef HAVE_LDAP
 192     FIXME( "(%p, %p, %p, %p)\n", ld, search, count, results );
 193
 194     if (!ld) return WLDAP32_LDAP_PARAM_ERROR;
 195     /* FIXME: save the cookie from the server here */
 196
 197 #endif
 198     return ret;
 199 }
 200
 201 /***********************************************************************
 202  *      ldap_parse_page_controlA      (WLDAP32.@)
 203  */
 204 ULONG CDECL ldap_parse_page_controlA( WLDAP32_LDAP *ld, PLDAPControlA *ctrls,
 205     ULONG *count, struct WLDAP32_berval **cookie )
 206 {
 207     ULONG ret = LDAP_NOT_SUPPORTED;
 208 #ifdef HAVE_LDAP
 209     LDAPControlW **ctrlsW = NULL;
 210
 211     TRACE( "(%p, %p, %p, %p)\n", ld, ctrls, count, cookie );
 212
 213     if (!ld || !ctrls || !count || !cookie)
 214         return WLDAP32_LDAP_PARAM_ERROR;
 215
 216     ctrlsW = controlarrayAtoW( ctrls );
 217     if (!ctrlsW) return WLDAP32_LDAP_NO_MEMORY;
 218
 219     ret = ldap_parse_page_controlW( ld, ctrlsW, count, cookie );
 220     controlarrayfreeW( ctrlsW );
 221
 222 #endif
 223     return ret;
 224 }
 225
 226 /***********************************************************************
 227  *      ldap_parse_page_controlW      (WLDAP32.@)
 228  */
 229 ULONG CDECL ldap_parse_page_controlW( WLDAP32_LDAP *ld, PLDAPControlW *ctrls,
 230     ULONG *count, struct WLDAP32_berval **cookie )
 231 {
 232     ULONG ret = LDAP_NOT_SUPPORTED;
 233 #ifdef HAVE_LDAP
 234     LDAPControlW *control = NULL;
 235     BerElement *ber;
 236     ber_tag_t tag;
 237     ULONG i;
 238
 239     TRACE( "(%p, %p, %p, %p)\n", ld, ctrls, count, cookie );
 240
 241     if (!ld || !ctrls || !count || !cookie)
 242         return WLDAP32_LDAP_PARAM_ERROR;
 243
 244     for (i = 0; ctrls[i]; i++)
 245     {
 246         if (!lstrcmpW( LDAP_PAGED_RESULT_OID_STRING_W, ctrls[i]->ldctl_oid ))
 247             control = ctrls[i];
 248     }
 249
 250     if (!control)
 251         return WLDAP32_LDAP_CONTROL_NOT_FOUND;
 252
 253     ber = ber_init( &((LDAPControl *)control)->ldctl_value );
 254     if (!ber)
 255         return WLDAP32_LDAP_NO_MEMORY;
 256
 257     tag = ber_scanf( ber, "{iO}", count, cookie );
 258     if ( tag == LBER_ERROR )
 259         ret = WLDAP32_LDAP_DECODING_ERROR;
 260     else
 261         ret = LDAP_SUCCESS;
 262
 263     ber_free( ber, 1 );
 264
 265 #endif
 266     return ret;
 267 }
 268
 269 ULONG CDECL ldap_search_abandon_page( WLDAP32_LDAP *ld, PLDAPSearch search )
 270 {
 271     FIXME( "(%p, %p)\n", ld, search );
 272
 273     if (!ld) return ~0UL;
 274     return LDAP_SUCCESS;
 275 }
 276
 277 PLDAPSearch CDECL ldap_search_init_pageA( WLDAP32_LDAP *ld, PCHAR dn, ULONG scope,
 278     PCHAR filter, PCHAR attrs[], ULONG attrsonly, PLDAPControlA *serverctrls,
 279     PLDAPControlA *clientctrls, ULONG timelimit, ULONG sizelimit, PLDAPSortKeyA *sortkeys )
 280 {
 281     FIXME( "(%p, %s, 0x%08x, %s, %p, 0x%08x)\n", ld, debugstr_a(dn),
 282            scope, debugstr_a(filter), attrs, attrsonly );
 283     return NULL;
 284 }
 285
 286 PLDAPSearch CDECL ldap_search_init_pageW( WLDAP32_LDAP *ld, PWCHAR dn, ULONG scope,
 287     PWCHAR filter, PWCHAR attrs[], ULONG attrsonly, PLDAPControlW *serverctrls,
 288     PLDAPControlW *clientctrls, ULONG timelimit, ULONG sizelimit, PLDAPSortKeyW *sortkeys )
 289 {
 290     FIXME( "(%p, %s, 0x%08x, %s, %p, 0x%08x)\n", ld, debugstr_w(dn),
 291            scope, debugstr_w(filter), attrs, attrsonly );
 292     return NULL;
 293 }