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 <stdarg.h>
  22 #include <stdlib.h>
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winnls.h"
  26 #include "winldap.h"
  27
  28 #include "wine/debug.h"
  29 #include "winldap_private.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(wldap32);
  32
  33 /***********************************************************************
  34  *      ldap_count_values_len     (WLDAP32.@)
  35  *
  36  * Count the number of values in an array of berval structures.
  37  *
  38  * PARAMS
  39  *  values  [I] Pointer to an array of berval structures.
  40  *
  41  * RETURNS
  42  *  Success: The number of values counted.
  43  *  Failure: 0
  44  *
  45  * NOTES
  46  *  Call ldap_count_values_len with the result of a call to
  47  *  ldap_get_values_len.
  48  */
  49 ULONG CDECL ldap_count_values_len( struct berval **values )
  50 {
  51     ULONG ret = 0;
  52     struct berval **ptr = values;
  53
  54     TRACE( "(%p)\n", values );
  55
  56     if (!values) return 0;
  57     while (*ptr++) ret++;
  58     return ret;
  59 }
  60
  61 /***********************************************************************
  62  *      ldap_count_valuesA     (WLDAP32.@)
  63  *
  64  * See ldap_count_valuesW.
  65  */
  66 ULONG CDECL ldap_count_valuesA( char **values )
  67 {
  68     ULONG ret = 0;
  69     char **ptr = values;
  70
  71     TRACE( "(%p)\n", values );
  72
  73     if (!values) return 0;
  74     while (*ptr++) ret++;
  75     return ret;
  76 }
  77
  78 /***********************************************************************
  79  *      ldap_count_valuesW     (WLDAP32.@)
  80  *
  81  * Count the number of values in a string array.
  82  *
  83  * PARAMS
  84  *  values  [I] Pointer to an array of strings.
  85  *
  86  * RETURNS
  87  *  Success: The number of values counted.
  88  *  Failure: 0
  89  *
  90  * NOTES
  91  *  Call ldap_count_valuesW with the result of a call to
  92  *  ldap_get_valuesW.
  93  */
  94 ULONG CDECL ldap_count_valuesW( WCHAR **values )
  95 {
  96     ULONG ret = 0;
  97     WCHAR **p = values;
  98
  99     TRACE( "(%p)\n", values );
 100
 101     if (!values) return 0;
 102     while (*p++) ret++;
 103     return ret;
 104 }
 105
 106 /***********************************************************************
 107  *      ldap_get_valuesA     (WLDAP32.@)
 108  *
 109  * See ldap_get_valuesW.
 110  */
 111 char ** CDECL ldap_get_valuesA( LDAP *ld, LDAPMessage *entry, char *attr )
 112 {
 113     char **ret;
 114     WCHAR *attrW = NULL, **retW;
 115
 116     TRACE( "(%p, %p, %s)\n", ld, entry, debugstr_a(attr) );
 117
 118     if (!ld || !entry || !attr || !(attrW = strAtoW( attr ))) return NULL;
 119
 120     retW = ldap_get_valuesW( ld, entry, attrW );
 121     ret = strarrayWtoA( retW );
 122
 123     ldap_value_freeW( retW );
 124     free( attrW );
 125     return ret;
 126 }
 127
 128 static char *bv2str( struct bervalU *bv )
 129 {
 130     char *str = NULL;
 131     unsigned int len = bv->bv_len;
 132
 133     if ((str = malloc( len + 1 )))
 134     {
 135         memcpy( str, bv->bv_val, len );
 136         str[len] = '\0';
 137     }
 138     return str;
 139 }
 140
 141 static char **bv2str_array( struct bervalU **bv )
 142 {
 143     unsigned int len = 0, i = 0;
 144     struct bervalU **p = bv;
 145     char **str;
 146
 147     while (*p)
 148     {
 149         len++;
 150         p++;
 151     }
 152     if (!(str = malloc( (len + 1) * sizeof(char *) ))) return NULL;
 153
 154     p = bv;
 155     while (*p)
 156     {
 157         str[i] = bv2str( *p );
 158         if (!str[i])
 159         {
 160             while (i > 0) free( str[--i] );
 161             free( str );
 162             return NULL;
 163         }
 164         i++;
 165         p++;
 166     }
 167     str[i] = NULL;
 168     return str;
 169 }
 170
 171 /***********************************************************************
 172  *      ldap_get_valuesW     (WLDAP32.@)
 173  *
 174  * Retrieve string values for a given attribute.
 175  *
 176  * PARAMS
 177  *  ld     [I] Pointer to an LDAP context.
 178  *  entry  [I] Entry to retrieve values from.
 179  *  attr   [I] Attribute to retrieve values for.
 180  *
 181  * RETURNS
 182  *  Success: Pointer to a character array holding the values.
 183  *  Failure: NULL
 184  *
 185  * NOTES
 186  *  Call ldap_get_valuesW with the result of a call to
 187  *  ldap_first_entry or ldap_next_entry. Free the returned
 188  *  array with a call to ldap_value_freeW.
 189  */
 190 WCHAR ** CDECL ldap_get_valuesW( LDAP *ld, LDAPMessage *entry, WCHAR *attr )
 191 {
 192     WCHAR **ret = NULL;
 193     char *attrU, **retU;
 194     struct bervalU **bv;
 195
 196     TRACE( "(%p, %p, %s)\n", ld, entry, debugstr_w(attr) );
 197
 198     if (ld && entry && attr && (attrU = strWtoU( attr )))
 199     {
 200         struct ldap_get_values_len_params params = { CTX(ld), MSG(entry), attrU, &bv };
 201
 202         if (!LDAP_CALL( ldap_get_values_len, &params ))
 203         {
 204             retU = bv2str_array( bv );
 205             ret = strarrayUtoW( retU );
 206
 207             LDAP_CALL( ldap_value_free_len, bv );
 208             strarrayfreeU( retU );
 209         }
 210         free( attrU );
 211     }
 212     return ret;
 213 }
 214
 215 /***********************************************************************
 216  *      ldap_get_values_lenA     (WLDAP32.@)
 217  *
 218  * See ldap_get_values_lenW.
 219  */
 220 struct berval ** CDECL ldap_get_values_lenA( LDAP *ld, LDAPMessage *message, char *attr )
 221 {
 222     WCHAR *attrW;
 223     struct berval **ret;
 224
 225     TRACE( "(%p, %p, %s)\n", ld, message, debugstr_a(attr) );
 226
 227     if (!ld || !message || !attr || !(attrW = strAtoW( attr ))) return NULL;
 228
 229     ret = ldap_get_values_lenW( ld, message, attrW );
 230
 231     free( attrW );
 232     return ret;
 233 }
 234
 235 /***********************************************************************
 236  *      ldap_get_values_lenW     (WLDAP32.@)
 237  *
 238  * Retrieve binary values for a given attribute.
 239  *
 240  * PARAMS
 241  *  ld      [I] Pointer to an LDAP context.
 242  *  message [I] Entry to retrieve values from.
 243  *  attr    [I] Attribute to retrieve values for.
 244  *
 245  * RETURNS
 246  *  Success: Pointer to a berval array holding the values.
 247  *  Failure: NULL
 248  *
 249  * NOTES
 250  *  Call ldap_get_values_lenW with the result of a call to
 251  *  ldap_first_entry or ldap_next_entry. Free the returned
 252  *  array with a call to ldap_value_free_len.
 253  */
 254 struct berval ** CDECL ldap_get_values_lenW( LDAP *ld, LDAPMessage *message, WCHAR *attr )
 255 {
 256     char *attrU = NULL;
 257     struct bervalU **retU;
 258     struct berval **ret = NULL;
 259
 260     TRACE( "(%p, %p, %s)\n", ld, message, debugstr_w(attr) );
 261
 262     if (ld && message && attr && (attrU = strWtoU( attr )))
 263     {
 264         struct ldap_get_values_len_params params = { CTX(ld), MSG(message), attrU, &retU };
 265
 266         if (!LDAP_CALL( ldap_get_values_len, &params ))
 267         {
 268             ret = bvarrayUtoW( retU );
 269             bvarrayfreeU( retU );
 270         }
 271
 272         free( attrU );
 273     }
 274     return ret;
 275 }
 276
 277 /***********************************************************************
 278  *      ldap_value_free_len     (WLDAP32.@)
 279  *
 280  * Free an array of berval structures.
 281  *
 282  * PARAMS
 283  *  values  [I] Array of berval structures.
 284  *
 285  * RETURNS
 286  *  Success: LDAP_SUCCESS
 287  *  Failure: An LDAP error code.
 288  */
 289 ULONG CDECL ldap_value_free_len( struct berval **values )
 290 {
 291     TRACE( "(%p)\n", values );
 292
 293     bvarrayfreeW( values );
 294     return LDAP_SUCCESS;
 295 }
 296
 297 /***********************************************************************
 298  *      ldap_value_freeA     (WLDAP32.@)
 299  *
 300  * See ldap_value_freeW.
 301  */
 302 ULONG CDECL ldap_value_freeA( char **values )
 303 {
 304     TRACE( "(%p)\n", values );
 305
 306     strarrayfreeA( values );
 307     return LDAP_SUCCESS;
 308 }
 309
 310 /***********************************************************************
 311  *      ldap_value_freeW     (WLDAP32.@)
 312  *
 313  * Free an array of string values.
 314  *
 315  * PARAMS
 316  *  values  [I] Array of string values.
 317  *
 318  * RETURNS
 319  *  Success: LDAP_SUCCESS
 320  *  Failure: An LDAP error code.
 321  */
 322 ULONG CDECL ldap_value_freeW( WCHAR **values )
 323 {
 324     TRACE( "(%p)\n", values );
 325
 326     strarrayfreeW( values );
 327     return LDAP_SUCCESS;
 328 }