dlls/wldap32/value.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
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winnls.h"
  32
  33 #include "winldap_private.h"
  34 #include "wldap32.h"
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(wldap32);
  38
  39 /***********************************************************************
  40  *      ldap_count_values_len     (WLDAP32.@)
  41  *
  42  * Count the number of values in an array of berval structures.
  43  *
  44  * PARAMS
  45  *  vals  [I] Pointer to an array of berval structures.
  46  *
  47  * RETURNS
  48  *  Success: The number of values counted.
  49  *  Failure: 0
  50  *
  51  * NOTES
  52  *  Call ldap_count_values_len with the result of a call to
  53  *  ldap_get_values_len.
  54  */
  55 ULONG CDECL WLDAP32_ldap_count_values_len( struct WLDAP32_berval **vals )
  56 {
  57     ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
  58 #ifdef HAVE_LDAP
  59
  60     TRACE( "(%p)\n", vals );
  61     ret = ldap_count_values_len( (struct berval **)vals );
  62
  63 #endif
  64     return ret;
  65 }
  66
  67 /***********************************************************************
  68  *      ldap_count_valuesA     (WLDAP32.@)
  69  *
  70  * See ldap_count_valuesW.
  71  */
  72 ULONG CDECL ldap_count_valuesA( PCHAR *vals )
  73 {
  74     ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
  75 #ifdef HAVE_LDAP
  76     WCHAR **valsW = NULL;
  77
  78     TRACE( "(%p)\n", vals );
  79
  80     if (!vals) return 0;
  81
  82     valsW = strarrayAtoW( vals );
  83     if (!valsW) return WLDAP32_LDAP_NO_MEMORY;
  84
  85     ret = ldap_count_valuesW( valsW );
  86     strarrayfreeW( valsW );
  87
  88 #endif
  89     return ret;
  90 }
  91
  92 /***********************************************************************
  93  *      ldap_count_valuesW     (WLDAP32.@)
  94  *
  95  * Count the number of values in a string array.
  96  *
  97  * PARAMS
  98  *  vals  [I] Pointer to an array of strings.
  99  *
 100  * RETURNS
 101  *  Success: The number of values counted.
 102  *  Failure: 0
 103  *
 104  * NOTES
 105  *  Call ldap_count_valuesW with the result of a call to
 106  *  ldap_get_valuesW.
 107  */
 108 ULONG CDECL ldap_count_valuesW( PWCHAR *vals )
 109 {
 110     ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
 111 #ifdef HAVE_LDAP
 112     WCHAR **p = vals;
 113
 114     TRACE( "(%p)\n", vals );
 115
 116     if (!vals) return 0;
 117
 118     ret = 0;
 119     while (*p++) ret++;
 120
 121 #endif
 122     return ret;
 123 }
 124
 125 /***********************************************************************
 126  *      ldap_get_valuesA     (WLDAP32.@)
 127  *
 128  * See ldap_get_valuesW.
 129  */
 130 PCHAR * CDECL ldap_get_valuesA( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *entry, PCHAR attr )
 131 {
 132     PCHAR *ret = NULL;
 133 #ifdef HAVE_LDAP
 134     WCHAR *attrW = NULL, **retW;
 135
 136     TRACE( "(%p, %p, %s)\n", ld, entry, debugstr_a(attr) );
 137
 138     if (!ld || !entry || !attr) return NULL;
 139
 140     attrW = strAtoW( attr );
 141     if (!attrW) return NULL;
 142
 143     retW = ldap_get_valuesW( ld, entry, attrW );
 144
 145     ret = strarrayWtoA( retW );
 146     ldap_value_freeW( retW );
 147     strfreeW( attrW );
 148
 149 #endif
 150     return ret;
 151 }
 152
 153 #ifdef HAVE_LDAP
 154 static char *bv2str( struct berval *bv )
 155 {
 156     char *str = NULL;
 157     unsigned int len = bv->bv_len;
 158
 159     if ((str = heap_alloc( len + 1 )))
 160     {
 161         memcpy( str, bv->bv_val, len );
 162         str[len] = '\0';
 163     }
 164     return str;
 165 }
 166
 167 static char **bv2str_array( struct berval **bv )
 168 {
 169     unsigned int len = 0, i = 0;
 170     struct berval **p = bv;
 171     char **str;
 172
 173     while (*p)
 174     {
 175         len++;
 176         p++;
 177     }
 178     if (!(str = heap_alloc( (len + 1) * sizeof(char *) ))) return NULL;
 179
 180     p = bv;
 181     while (*p)
 182     {
 183         str[i] = bv2str( *p );
 184         if (!str[i])
 185         {
 186             while (i > 0) heap_free( str[--i] );
 187             heap_free( str );
 188             return NULL;
 189         }
 190         i++;
 191         p++;
 192     }
 193     str[i] = NULL;
 194     return str;
 195 }
 196 #endif
 197
 198 /***********************************************************************
 199  *      ldap_get_valuesW     (WLDAP32.@)
 200  *
 201  * Retrieve string values for a given attribute.
 202  *
 203  * PARAMS
 204  *  ld     [I] Pointer to an LDAP context.
 205  *  entry  [I] Entry to retrieve values from.
 206  *  attr   [I] Attribute to retrieve values for.
 207  *
 208  * RETURNS
 209  *  Success: Pointer to a character array holding the values.
 210  *  Failure: NULL
 211  *
 212  * NOTES
 213  *  Call ldap_get_valuesW with the result of a call to
 214  *  ldap_first_entry or ldap_next_entry. Free the returned
 215  *  array with a call to ldap_value_freeW.
 216  */
 217 PWCHAR * CDECL ldap_get_valuesW( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *entry, PWCHAR attr )
 218 {
 219     PWCHAR *ret = NULL;
 220 #ifdef HAVE_LDAP
 221     char *attrU = NULL, **retU;
 222     struct berval **bv;
 223
 224     TRACE( "(%p, %p, %s)\n", ld, entry, debugstr_w(attr) );
 225
 226     if (!ld || !entry || !attr) return NULL;
 227
 228     attrU = strWtoU( attr );
 229     if (!attrU) return NULL;
 230
 231     bv = ldap_get_values_len( ld->ld, entry, attrU );
 232     if (bv)
 233     {
 234         retU = bv2str_array( bv );
 235         ret = strarrayUtoW( retU );
 236
 237         ldap_value_free_len( bv );
 238         strarrayfreeU( retU );
 239     }
 240     strfreeU( attrU );
 241
 242 #endif
 243     return ret;
 244 }
 245
 246 /***********************************************************************
 247  *      ldap_get_values_lenA     (WLDAP32.@)
 248  *
 249  * See ldap_get_values_lenW.
 250  */
 251 struct WLDAP32_berval ** CDECL ldap_get_values_lenA( WLDAP32_LDAP *ld,
 252     WLDAP32_LDAPMessage *message, PCHAR attr )
 253 {
 254 #ifdef HAVE_LDAP
 255     WCHAR *attrW = NULL;
 256     struct WLDAP32_berval **ret;
 257
 258     TRACE( "(%p, %p, %s)\n", ld, message, debugstr_a(attr) );
 259
 260     if (!ld || !message || !attr) return NULL;
 261
 262     attrW = strAtoW( attr );
 263     if (!attrW) return NULL;
 264
 265     ret = ldap_get_values_lenW( ld, message, attrW );
 266
 267     strfreeW( attrW );
 268     return ret;
 269
 270 #else
 271     return NULL;
 272 #endif
 273 }
 274
 275 /***********************************************************************
 276  *      ldap_get_values_lenW     (WLDAP32.@)
 277  *
 278  * Retrieve binary values for a given attribute.
 279  *
 280  * PARAMS
 281  *  ld      [I] Pointer to an LDAP context.
 282  *  message [I] Entry to retrieve values from.
 283  *  attr    [I] Attribute to retrieve values for.
 284  *
 285  * RETURNS
 286  *  Success: Pointer to a berval array holding the values.
 287  *  Failure: NULL
 288  *
 289  * NOTES
 290  *  Call ldap_get_values_lenW with the result of a call to
 291  *  ldap_first_entry or ldap_next_entry. Free the returned
 292  *  array with a call to ldap_value_free_len.
 293  */
 294 struct WLDAP32_berval ** CDECL ldap_get_values_lenW( WLDAP32_LDAP *ld,
 295     WLDAP32_LDAPMessage *message, PWCHAR attr )
 296 {
 297 #ifdef HAVE_LDAP
 298     char *attrU = NULL;
 299     struct berval **ret;
 300
 301     TRACE( "(%p, %p, %s)\n", ld, message, debugstr_w(attr) );
 302
 303     if (!ld || !message || !attr) return NULL;
 304
 305     attrU = strWtoU( attr );
 306     if (!attrU) return NULL;
 307
 308     ret = ldap_get_values_len( ld->ld, message, attrU );
 309
 310     strfreeU( attrU );
 311     return (struct WLDAP32_berval **)ret;
 312
 313 #else
 314     return NULL;
 315 #endif
 316 }
 317
 318 /***********************************************************************
 319  *      ldap_value_free_len     (WLDAP32.@)
 320  *
 321  * Free an array of berval structures.
 322  *
 323  * PARAMS
 324  *  vals  [I] Array of berval structures.
 325  *
 326  * RETURNS
 327  *  Success: LDAP_SUCCESS
 328  *  Failure: An LDAP error code.
 329  */
 330 ULONG CDECL WLDAP32_ldap_value_free_len( struct WLDAP32_berval **vals )
 331 {
 332 #ifdef HAVE_LDAP
 333
 334     TRACE( "(%p)\n", vals );
 335     ldap_value_free_len( (struct berval **)vals );
 336
 337 #endif
 338     return WLDAP32_LDAP_SUCCESS;
 339 }
 340
 341 /***********************************************************************
 342  *      ldap_value_freeA     (WLDAP32.@)
 343  *
 344  * See ldap_value_freeW.
 345  */
 346 ULONG CDECL ldap_value_freeA( PCHAR *vals )
 347 {
 348     TRACE( "(%p)\n", vals );
 349
 350     strarrayfreeA( vals );
 351     return WLDAP32_LDAP_SUCCESS;
 352 }
 353
 354 /***********************************************************************
 355  *      ldap_value_freeW     (WLDAP32.@)
 356  *
 357  * Free an array of string values.
 358  *
 359  * PARAMS
 360  *  vals  [I] Array of string values.
 361  *
 362  * RETURNS
 363  *  Success: LDAP_SUCCESS
 364  *  Failure: An LDAP error code.
 365  */
 366 ULONG CDECL ldap_value_freeW( PWCHAR *vals )
 367 {
 368     TRACE( "(%p)\n", vals );
 369
 370     strarrayfreeW( vals );
 371     return WLDAP32_LDAP_SUCCESS;
 372 }