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 #include "wine/port.h"
  23
  24 #include <stdarg.h>
  25 #ifdef HAVE_LDAP_H
  26 #include <ldap.h>
  27 #endif
  28 #ifndef LDAP_MAXINT
  29 #define LDAP_MAXINT  2147483647
  30 #endif
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "winnls.h"
  35
  36 #include "winldap_private.h"
  37 #include "wldap32.h"
  38 #include "wine/debug.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(wldap32);
  41
  42 /***********************************************************************
  43  *      ldap_create_page_controlA     (WLDAP32.@)
  44  *
  45  * See ldap_create_page_controlW.
  46  */
  47 ULONG CDECL ldap_create_page_controlA( WLDAP32_LDAP *ld, ULONG pagesize,
  48     struct WLDAP32_berval *cookie, UCHAR critical, PLDAPControlA *control )
  49 {
  50     ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
  51 #ifdef HAVE_LDAP
  52     LDAPControlW *controlW = NULL;
  53
  54     TRACE( "(%p, 0x%08x, %p, 0x%02x, %p)\n", ld, pagesize, cookie,
  55            critical, control );
  56
  57     if (!ld || !control || pagesize > LDAP_MAXINT)
  58         return WLDAP32_LDAP_PARAM_ERROR;
  59
  60     ret = ldap_create_page_controlW( ld, pagesize, cookie, critical, &controlW );
  61     if (ret == LDAP_SUCCESS)
  62     {
  63         *control = controlWtoA( controlW );
  64         ldap_control_freeW( controlW );
  65     }
  66
  67 #endif
  68     return ret;
  69 }
  70
  71 #ifdef HAVE_LDAP
  72
  73 /* create a page control by hand */
  74 static ULONG create_page_control( ULONG pagesize, struct WLDAP32_berval *cookie,
  75     UCHAR critical, PLDAPControlW *control )
  76 {
  77     LDAPControlW *ctrl;
  78     BerElement *ber;
  79     ber_tag_t tag;
  80     struct berval *berval, null_cookie = { 0, NULL };
  81     INT ret, len;
  82     char *val;
  83
  84     ber = ber_alloc_t( LBER_USE_DER );
  85     if (!ber) return WLDAP32_LDAP_NO_MEMORY;
  86
  87     if (cookie)
  88         tag = ber_printf( ber, "{iO}", (ber_int_t)pagesize, cookie );
  89     else
  90         tag = ber_printf( ber, "{iO}", (ber_int_t)pagesize, &null_cookie );
  91
  92     ret = ber_flatten( ber, &berval );
  93     ber_free( ber, 1 );
  94
  95     if (tag == LBER_ERROR)
  96         return WLDAP32_LDAP_ENCODING_ERROR;
  97
  98     if (ret == -1)
  99         return WLDAP32_LDAP_NO_MEMORY;
 100
 101     /* copy the berval so it can be properly freed by the caller */
 102     if (!(val = heap_alloc( berval->bv_len ))) return WLDAP32_LDAP_NO_MEMORY;
 103
 104     len = berval->bv_len;
 105     memcpy( val, berval->bv_val, len );
 106     ber_bvfree( berval );
 107
 108     if (!(ctrl = heap_alloc( sizeof(LDAPControlW) )))
 109     {
 110         heap_free( val );
 111         return WLDAP32_LDAP_NO_MEMORY;
 112     }
 113
 114     ctrl->ldctl_oid = strAtoW( LDAP_PAGED_RESULT_OID_STRING );
 115     ctrl->ldctl_value.bv_len = len;
 116     ctrl->ldctl_value.bv_val = val;
 117     ctrl->ldctl_iscritical = critical;
 118
 119     *control = ctrl;
 120
 121     return WLDAP32_LDAP_SUCCESS;
 122 }
 123
 124 #endif /* HAVE_LDAP */
 125
 126 /***********************************************************************
 127  *      ldap_create_page_controlW     (WLDAP32.@)
 128  *
 129  * Create a control for paged search results.
 130  *
 131  * PARAMS
 132  *  ld        [I] Pointer to an LDAP context.
 133  *  pagesize  [I] Number of entries to return per page.
 134  *  cookie    [I] Used by the server to track its location in the
 135  *                search results.
 136  *  critical  [I] Tells the server this control is critical to the
 137  *                search operation.
 138  *  control   [O] LDAPControl created.
 139  *
 140  * RETURNS
 141  *  Success: LDAP_SUCCESS
 142  *  Failure: An LDAP error code.
 143  */
 144 ULONG CDECL ldap_create_page_controlW( WLDAP32_LDAP *ld, ULONG pagesize,
 145     struct WLDAP32_berval *cookie, UCHAR critical, PLDAPControlW *control )
 146 {
 147 #ifdef HAVE_LDAP
 148     TRACE( "(%p, 0x%08x, %p, 0x%02x, %p)\n", ld, pagesize, cookie,
 149            critical, control );
 150
 151     if (!ld || !control || pagesize > LDAP_MAXINT)
 152         return WLDAP32_LDAP_PARAM_ERROR;
 153
 154     return create_page_control( pagesize, cookie, critical, control );
 155
 156 #else
 157     return WLDAP32_LDAP_NOT_SUPPORTED;
 158 #endif
 159 }
 160
 161 ULONG CDECL ldap_get_next_page( WLDAP32_LDAP *ld, PLDAPSearch search, ULONG pagesize,
 162     ULONG *message )
 163 {
 164     FIXME( "(%p, %p, 0x%08x, %p)\n", ld, search, pagesize, message );
 165
 166     if (!ld) return ~0u;
 167     return WLDAP32_LDAP_NOT_SUPPORTED;
 168 }
 169
 170 ULONG CDECL ldap_get_next_page_s( WLDAP32_LDAP *ld, PLDAPSearch search,
 171     struct l_timeval *timeout, ULONG pagesize, ULONG *count,
 172     WLDAP32_LDAPMessage **results )
 173 {
 174     FIXME( "(%p, %p, %p, 0x%08x, %p, %p)\n", ld, search, timeout,
 175            pagesize, count, results );
 176
 177     if (!ld) return ~0u;
 178     return WLDAP32_LDAP_NOT_SUPPORTED;
 179 }
 180
 181 ULONG CDECL ldap_get_paged_count( WLDAP32_LDAP *ld, PLDAPSearch search,
 182     ULONG *count, WLDAP32_LDAPMessage *results )
 183 {
 184     ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
 185 #ifdef HAVE_LDAP
 186     FIXME( "(%p, %p, %p, %p)\n", ld, search, count, results );
 187
 188     if (!ld) return WLDAP32_LDAP_PARAM_ERROR;
 189     /* FIXME: save the cookie from the server here */
 190
 191 #endif
 192     return ret;
 193 }
 194
 195 /***********************************************************************
 196  *      ldap_parse_page_controlA      (WLDAP32.@)
 197  */
 198 ULONG CDECL ldap_parse_page_controlA( WLDAP32_LDAP *ld, PLDAPControlA *ctrls,
 199     ULONG *count, struct WLDAP32_berval **cookie )
 200 {
 201     ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
 202 #ifdef HAVE_LDAP
 203     LDAPControlW **ctrlsW = NULL;
 204
 205     TRACE( "(%p, %p, %p, %p)\n", ld, ctrls, count, cookie );
 206
 207     if (!ld || !ctrls || !count || !cookie)
 208         return WLDAP32_LDAP_PARAM_ERROR;
 209
 210     ctrlsW = controlarrayAtoW( ctrls );
 211     if (!ctrlsW) return WLDAP32_LDAP_NO_MEMORY;
 212
 213     ret = ldap_parse_page_controlW( ld, ctrlsW, count, cookie );
 214     controlarrayfreeW( ctrlsW );
 215
 216 #endif
 217     return ret;
 218 }
 219
 220 /***********************************************************************
 221  *      ldap_parse_page_controlW      (WLDAP32.@)
 222  */
 223 ULONG CDECL ldap_parse_page_controlW( WLDAP32_LDAP *ld, PLDAPControlW *ctrls,
 224     ULONG *count, struct WLDAP32_berval **cookie )
 225 {
 226     ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
 227 #ifdef HAVE_LDAP
 228     LDAPControlW *control = NULL;
 229     BerElement *ber;
 230     ber_tag_t tag;
 231     ULONG i;
 232
 233     TRACE( "(%p, %p, %p, %p)\n", ld, ctrls, count, cookie );
 234
 235     if (!ld || !ctrls || !count || !cookie)
 236         return WLDAP32_LDAP_PARAM_ERROR;
 237
 238     for (i = 0; ctrls[i]; i++)
 239     {
 240         if (!lstrcmpW( LDAP_PAGED_RESULT_OID_STRING_W, ctrls[i]->ldctl_oid ))
 241             control = ctrls[i];
 242     }
 243
 244     if (!control)
 245         return WLDAP32_LDAP_CONTROL_NOT_FOUND;
 246
 247     ber = ber_init( &((LDAPControl *)control)->ldctl_value );
 248     if (!ber)
 249         return WLDAP32_LDAP_NO_MEMORY;
 250
 251     tag = ber_scanf( ber, "{iO}", count, cookie );
 252     if ( tag == LBER_ERROR )
 253         ret = WLDAP32_LDAP_DECODING_ERROR;
 254     else
 255         ret = WLDAP32_LDAP_SUCCESS;
 256
 257     ber_free( ber, 1 );
 258
 259 #endif
 260     return ret;
 261 }
 262
 263 ULONG CDECL ldap_search_abandon_page( WLDAP32_LDAP *ld, PLDAPSearch search )
 264 {
 265     FIXME( "(%p, %p)\n", ld, search );
 266
 267     if (!ld) return ~0u;
 268     return WLDAP32_LDAP_SUCCESS;
 269 }
 270
 271 PLDAPSearch CDECL ldap_search_init_pageA( WLDAP32_LDAP *ld, PCHAR dn, ULONG scope,
 272     PCHAR filter, PCHAR attrs[], ULONG attrsonly, PLDAPControlA *serverctrls,
 273     PLDAPControlA *clientctrls, ULONG timelimit, ULONG sizelimit, PLDAPSortKeyA *sortkeys )
 274 {
 275     FIXME( "(%p, %s, 0x%08x, %s, %p, 0x%08x)\n", ld, debugstr_a(dn),
 276            scope, debugstr_a(filter), attrs, attrsonly );
 277     return NULL;
 278 }
 279
 280 PLDAPSearch CDECL ldap_search_init_pageW( WLDAP32_LDAP *ld, PWCHAR dn, ULONG scope,
 281     PWCHAR filter, PWCHAR attrs[], ULONG attrsonly, PLDAPControlW *serverctrls,
 282     PLDAPControlW *clientctrls, ULONG timelimit, ULONG sizelimit, PLDAPSortKeyW *sortkeys )
 283 {
 284     FIXME( "(%p, %s, 0x%08x, %s, %p, 0x%08x)\n", ld, debugstr_w(dn),
 285            scope, debugstr_w(filter), attrs, attrsonly );
 286     return NULL;
 287 }