xref: /reactos/dll/win32/wldap32/value.c (revision 1734f297)
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, entry, attrU );
232 
233     retU = bv2str_array( bv );
234     ret = strarrayUtoW( retU );
235 
236     ldap_value_free_len( bv );
237     strarrayfreeU( retU );
238     strfreeU( attrU );
239 
240 #endif
241     return ret;
242 }
243 
244 /***********************************************************************
245  *      ldap_get_values_lenA     (WLDAP32.@)
246  *
247  * See ldap_get_values_lenW.
248  */
249 struct WLDAP32_berval ** CDECL ldap_get_values_lenA( WLDAP32_LDAP *ld,
250     WLDAP32_LDAPMessage *message, PCHAR attr )
251 {
252 #ifdef HAVE_LDAP
253     WCHAR *attrW = NULL;
254     struct WLDAP32_berval **ret;
255 
256     TRACE( "(%p, %p, %s)\n", ld, message, debugstr_a(attr) );
257 
258     if (!ld || !message || !attr) return NULL;
259 
260     attrW = strAtoW( attr );
261     if (!attrW) return NULL;
262 
263     ret = ldap_get_values_lenW( ld, message, attrW );
264 
265     strfreeW( attrW );
266     return ret;
267 
268 #else
269     return NULL;
270 #endif
271 }
272 
273 /***********************************************************************
274  *      ldap_get_values_lenW     (WLDAP32.@)
275  *
276  * Retrieve binary values for a given attribute.
277  *
278  * PARAMS
279  *  ld      [I] Pointer to an LDAP context.
280  *  message [I] Entry to retrieve values from.
281  *  attr    [I] Attribute to retrieve values for.
282  *
283  * RETURNS
284  *  Success: Pointer to a berval array holding the values.
285  *  Failure: NULL
286  *
287  * NOTES
288  *  Call ldap_get_values_lenW with the result of a call to
289  *  ldap_first_entry or ldap_next_entry. Free the returned
290  *  array with a call to ldap_value_free_len.
291  */
292 struct WLDAP32_berval ** CDECL ldap_get_values_lenW( WLDAP32_LDAP *ld,
293     WLDAP32_LDAPMessage *message, PWCHAR attr )
294 {
295 #ifdef HAVE_LDAP
296     char *attrU = NULL;
297     struct berval **ret;
298 
299     TRACE( "(%p, %p, %s)\n", ld, message, debugstr_w(attr) );
300 
301     if (!ld || !message || !attr) return NULL;
302 
303     attrU = strWtoU( attr );
304     if (!attrU) return NULL;
305 
306     ret = ldap_get_values_len( ld, message, attrU );
307 
308     strfreeU( attrU );
309     return (struct WLDAP32_berval **)ret;
310 
311 #else
312     return NULL;
313 #endif
314 }
315 
316 /***********************************************************************
317  *      ldap_value_free_len     (WLDAP32.@)
318  *
319  * Free an array of berval structures.
320  *
321  * PARAMS
322  *  vals  [I] Array of berval structures.
323  *
324  * RETURNS
325  *  Success: LDAP_SUCCESS
326  *  Failure: An LDAP error code.
327  */
328 ULONG CDECL WLDAP32_ldap_value_free_len( struct WLDAP32_berval **vals )
329 {
330 #ifdef HAVE_LDAP
331 
332     TRACE( "(%p)\n", vals );
333     ldap_value_free_len( (struct berval **)vals );
334 
335 #endif
336     return WLDAP32_LDAP_SUCCESS;
337 }
338 
339 /***********************************************************************
340  *      ldap_value_freeA     (WLDAP32.@)
341  *
342  * See ldap_value_freeW.
343  */
344 ULONG CDECL ldap_value_freeA( PCHAR *vals )
345 {
346     TRACE( "(%p)\n", vals );
347 
348     strarrayfreeA( vals );
349     return WLDAP32_LDAP_SUCCESS;
350 }
351 
352 /***********************************************************************
353  *      ldap_value_freeW     (WLDAP32.@)
354  *
355  * Free an array of string values.
356  *
357  * PARAMS
358  *  vals  [I] Array of string values.
359  *
360  * RETURNS
361  *  Success: LDAP_SUCCESS
362  *  Failure: An LDAP error code.
363  */
364 ULONG CDECL ldap_value_freeW( PWCHAR *vals )
365 {
366     TRACE( "(%p)\n", vals );
367 
368     strarrayfreeW( vals );
369     return WLDAP32_LDAP_SUCCESS;
370 }
371