reactos/dll/win32/wldap32/misc.c
2018-03-24 13:20:30 +01:00

661 lines
16 KiB
C

/*
* WLDAP32 - LDAP support for Wine
*
* Copyright 2005 Hans Leidekker
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdio.h>
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winldap_private.h"
#include "wldap32.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wldap32);
/***********************************************************************
* ldap_abandon (WLDAP32.@)
*
* Cancel an asynchronous operation.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* msgid [I] ID of the operation to cancel.
*
* RETURNS
* Success: LDAP_SUCCESS
* Failure: An LDAP error code.
*/
ULONG CDECL WLDAP32_ldap_abandon( WLDAP32_LDAP *ld, ULONG msgid )
{
ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
#ifdef HAVE_LDAP
TRACE( "(%p, 0x%08x)\n", ld, msgid );
if (!ld) return ~0u;
ret = map_error( ldap_abandon_ext( ld, msgid, NULL, NULL ));
#endif
return ret;
}
/***********************************************************************
* ldap_check_filterA (WLDAP32.@)
*
* See ldap_check_filterW.
*/
ULONG CDECL ldap_check_filterA( WLDAP32_LDAP *ld, PCHAR filter )
{
ULONG ret;
WCHAR *filterW = NULL;
TRACE( "(%p, %s)\n", ld, debugstr_a(filter) );
if (!ld) return WLDAP32_LDAP_PARAM_ERROR;
if (filter) {
filterW = strAtoW( filter );
if (!filterW) return WLDAP32_LDAP_NO_MEMORY;
}
ret = ldap_check_filterW( ld, filterW );
strfreeW( filterW );
return ret;
}
/***********************************************************************
* ldap_check_filterW (WLDAP32.@)
*
* Check filter syntax.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* filter [I] Filter string.
*
* RETURNS
* Success: LDAP_SUCCESS
* Failure: An LDAP error code.
*/
ULONG CDECL ldap_check_filterW( WLDAP32_LDAP *ld, PWCHAR filter )
{
TRACE( "(%p, %s)\n", ld, debugstr_w(filter) );
if (!ld) return WLDAP32_LDAP_PARAM_ERROR;
return WLDAP32_LDAP_SUCCESS; /* FIXME: do some checks */
}
/***********************************************************************
* ldap_cleanup (WLDAP32.@)
*/
ULONG CDECL ldap_cleanup( HANDLE instance )
{
TRACE( "(%p)\n", instance );
return WLDAP32_LDAP_SUCCESS;
}
/***********************************************************************
* ldap_conn_from_msg (WLDAP32.@)
*
* Get the LDAP context for a given message.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* res [I] LDAP message.
*
* RETURNS
* Success: Pointer to an LDAP context.
* Failure: NULL
*/
WLDAP32_LDAP * CDECL ldap_conn_from_msg( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *res )
{
TRACE( "(%p, %p)\n", ld, res );
if (!ld || !res) return NULL;
return ld; /* FIXME: not always correct */
}
/***********************************************************************
* ldap_count_entries (WLDAP32.@)
*
* Count the number of entries returned from a search.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* res [I] LDAP message.
*
* RETURNS
* Success: The number of entries.
* Failure: ~0u
*/
ULONG CDECL WLDAP32_ldap_count_entries( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *res )
{
ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
#ifdef HAVE_LDAP
TRACE( "(%p, %p)\n", ld, res );
if (!ld) return ~0u;
ret = ldap_count_entries( ld, res );
#endif
return ret;
}
/***********************************************************************
* ldap_count_references (WLDAP32.@)
*
* Count the number of references returned from a search.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* res [I] LDAP message.
*
* RETURNS
* Success: The number of references.
* Failure: ~0u
*/
ULONG CDECL WLDAP32_ldap_count_references( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *res )
{
ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
#ifdef HAVE_LDAP_COUNT_REFERENCES
TRACE( "(%p, %p)\n", ld, res );
if (!ld) return 0;
ret = ldap_count_references( ld, res );
#endif
return ret;
}
static ULONG get_escape_size( PCHAR src, ULONG srclen )
{
ULONG i, size = 0;
if (src)
{
for (i = 0; i < srclen; i++)
{
if ((src[i] >= '0' && src[i] <= '9') ||
(src[i] >= 'A' && src[i] <= 'Z') ||
(src[i] >= 'a' && src[i] <= 'z'))
size++;
else
size += 3;
}
}
return size + 1;
}
static void escape_filter_element( PCHAR src, ULONG srclen, PCHAR dst )
{
ULONG i;
static const char fmt[] = "\\%02X";
char *d = dst;
for (i = 0; i < srclen; i++)
{
if ((src[i] >= '0' && src[i] <= '9') ||
(src[i] >= 'A' && src[i] <= 'Z') ||
(src[i] >= 'a' && src[i] <= 'z'))
*d++ = src[i];
else
d += sprintf( d, fmt, (unsigned char)src[i] );
}
*++d = 0;
}
/***********************************************************************
* ldap_escape_filter_elementA (WLDAP32.@)
*
* See ldap_escape_filter_elementW.
*/
ULONG CDECL ldap_escape_filter_elementA( PCHAR src, ULONG srclen, PCHAR dst, ULONG dstlen )
{
ULONG len;
TRACE( "(%p, 0x%08x, %p, 0x%08x)\n", src, srclen, dst, dstlen );
len = get_escape_size( src, srclen );
if (!dst) return len;
if (!src || dstlen < len)
return WLDAP32_LDAP_PARAM_ERROR;
else
{
escape_filter_element( src, srclen, dst );
return WLDAP32_LDAP_SUCCESS;
}
}
/***********************************************************************
* ldap_escape_filter_elementW (WLDAP32.@)
*
* Escape binary data for safe passing in filters.
*
* PARAMS
* src [I] Filter element to be escaped.
* srclen [I] Length in bytes of the filter element.
* dst [O] Destination buffer for the escaped filter element.
* dstlen [I] Length in bytes of the destination buffer.
*
* RETURNS
* Success: LDAP_SUCCESS
* Failure: An LDAP error code.
*/
ULONG CDECL ldap_escape_filter_elementW( PCHAR src, ULONG srclen, PWCHAR dst, ULONG dstlen )
{
ULONG len;
TRACE( "(%p, 0x%08x, %p, 0x%08x)\n", src, srclen, dst, dstlen );
len = get_escape_size( src, srclen );
if (!dst) return len;
/* no matter what you throw at it, this is what native returns */
return WLDAP32_LDAP_PARAM_ERROR;
}
/***********************************************************************
* ldap_first_attributeA (WLDAP32.@)
*
* See ldap_first_attributeW.
*/
PCHAR CDECL ldap_first_attributeA( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *entry,
WLDAP32_BerElement** ptr )
{
PCHAR ret = NULL;
#ifdef HAVE_LDAP
WCHAR *retW;
TRACE( "(%p, %p, %p)\n", ld, entry, ptr );
if (!ld || !entry) return NULL;
retW = ldap_first_attributeW( ld, entry, ptr );
ret = strWtoA( retW );
ldap_memfreeW( retW );
#endif
return ret;
}
/***********************************************************************
* ldap_first_attributeW (WLDAP32.@)
*
* Get the first attribute for a given entry.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* entry [I] Entry to retrieve attribute for.
* ptr [O] Position pointer.
*
* RETURNS
* Success: Name of the first attribute.
* Failure: NULL
*
* NOTES
* Use ldap_memfree to free the returned string.
*/
PWCHAR CDECL ldap_first_attributeW( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *entry,
WLDAP32_BerElement** ptr )
{
PWCHAR ret = NULL;
#ifdef HAVE_LDAP
char *retU;
TRACE( "(%p, %p, %p)\n", ld, entry, ptr );
if (!ld || !entry) return NULL;
retU = ldap_first_attribute( ld, entry, ptr );
ret = strUtoW( retU );
ldap_memfree( retU );
#endif
return ret;
}
/***********************************************************************
* ldap_first_entry (WLDAP32.@)
*
* Get the first entry from a result message.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* res [I] Search result message.
*
* RETURNS
* Success: The first entry.
* Failure: NULL
*
* NOTES
* The returned entry will be freed when the message is freed.
*/
WLDAP32_LDAPMessage * CDECL WLDAP32_ldap_first_entry( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *res )
{
#ifdef HAVE_LDAP
TRACE( "(%p, %p)\n", ld, res );
if (!ld || !res) return NULL;
return ldap_first_entry( ld, res );
#else
return NULL;
#endif
}
/***********************************************************************
* ldap_first_reference (WLDAP32.@)
*
* Get the first reference from a result message.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* res [I] Search result message.
*
* RETURNS
* Success: The first reference.
* Failure: NULL
*/
WLDAP32_LDAPMessage * CDECL WLDAP32_ldap_first_reference( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *res )
{
#ifdef HAVE_LDAP_FIRST_REFERENCE
TRACE( "(%p, %p)\n", ld, res );
if (!ld) return NULL;
return ldap_first_reference( ld, res );
#else
return NULL;
#endif
}
/***********************************************************************
* ldap_memfreeA (WLDAP32.@)
*
* See ldap_memfreeW.
*/
void CDECL ldap_memfreeA( PCHAR block )
{
TRACE( "(%p)\n", block );
strfreeA( block );
}
/***********************************************************************
* ldap_memfreeW (WLDAP32.@)
*
* Free a block of memory.
*
* PARAMS
* block [I] Pointer to memory block to be freed.
*/
void CDECL ldap_memfreeW( PWCHAR block )
{
TRACE( "(%p)\n", block );
strfreeW( block );
}
/***********************************************************************
* ldap_msgfree (WLDAP32.@)
*
* Free a message.
*
* PARAMS
* res [I] Message to be freed.
*/
ULONG CDECL WLDAP32_ldap_msgfree( WLDAP32_LDAPMessage *res )
{
ULONG ret = WLDAP32_LDAP_SUCCESS;
#ifdef HAVE_LDAP
TRACE( "(%p)\n", res );
ldap_msgfree( res );
#endif
return ret;
}
/***********************************************************************
* ldap_next_attributeA (WLDAP32.@)
*
* See ldap_next_attributeW.
*/
PCHAR CDECL ldap_next_attributeA( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *entry,
WLDAP32_BerElement *ptr )
{
PCHAR ret = NULL;
#ifdef HAVE_LDAP
WCHAR *retW;
TRACE( "(%p, %p, %p)\n", ld, entry, ptr );
if (!ld || !entry || !ptr) return NULL;
retW = ldap_next_attributeW( ld, entry, ptr );
ret = strWtoA( retW );
ldap_memfreeW( retW );
#endif
return ret;
}
/***********************************************************************
* ldap_next_attributeW (WLDAP32.@)
*
* Get the next attribute for a given entry.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* entry [I] Entry to retrieve attribute for.
* ptr [I/O] Position pointer.
*
* RETURNS
* Success: The name of the next attribute.
* Failure: NULL
*
* NOTES
* Free the returned string after each iteration with ldap_memfree.
* When done iterating and when ptr != NULL, call ber_free( ptr, 0 ).
*/
PWCHAR CDECL ldap_next_attributeW( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *entry,
WLDAP32_BerElement *ptr )
{
PWCHAR ret = NULL;
#ifdef HAVE_LDAP
char *retU;
TRACE( "(%p, %p, %p)\n", ld, entry, ptr );
if (!ld || !entry || !ptr) return NULL;
retU = ldap_next_attribute( ld, entry, ptr );
ret = strUtoW( retU );
ldap_memfree( retU );
#endif
return ret;
}
/***********************************************************************
* ldap_next_entry (WLDAP32.@)
*
* Get the next entry from a result message.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* entry [I] Entry returned by a previous call.
*
* RETURNS
* Success: The next entry.
* Failure: NULL
*
* NOTES
* The returned entry will be freed when the message is freed.
*/
WLDAP32_LDAPMessage * CDECL WLDAP32_ldap_next_entry( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *entry )
{
#ifdef HAVE_LDAP
TRACE( "(%p, %p)\n", ld, entry );
if (!ld || !entry) return NULL;
return ldap_next_entry( ld, entry );
#else
return NULL;
#endif
}
/***********************************************************************
* ldap_next_reference (WLDAP32.@)
*
* Get the next reference from a result message.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* entry [I] Entry returned by a previous call.
*
* RETURNS
* Success: The next reference.
* Failure: NULL
*
* NOTES
* The returned entry will be freed when the message is freed.
*/
WLDAP32_LDAPMessage * CDECL WLDAP32_ldap_next_reference( WLDAP32_LDAP *ld, WLDAP32_LDAPMessage *entry )
{
#ifdef HAVE_LDAP_NEXT_REFERENCE
TRACE( "(%p, %p)\n", ld, entry );
if (!ld || !entry) return NULL;
return ldap_next_reference( ld, entry );
#else
return NULL;
#endif
}
/***********************************************************************
* ldap_result (WLDAP32.@)
*
* Get the result of an asynchronous operation.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* msgid [I] Message ID of the operation.
* all [I] How many results should be returned?
* timeout [I] How long to wait for the results?
* res [O] Result message for the operation.
*
* RETURNS
* Success: One of the following values:
*
* LDAP_RES_ADD
* LDAP_RES_BIND
* LDAP_RES_COMPARE
* LDAP_RES_DELETE
* LDAP_RES_EXTENDED
* LDAP_RES_MODIFY
* LDAP_RES_MODRDN
* LDAP_RES_REFERRAL
* LDAP_RES_SEARCH_ENTRY
* LDAP_RES_SEARCH_RESULT
*
* Failure: ~0u
*
* This function returns 0 when the timeout has expired.
*
* NOTES
* A NULL timeout pointer causes the function to block waiting
* for results to arrive. A timeout value of 0 causes the function
* to immediately return any available results. Free returned results
* with ldap_msgfree.
*/
ULONG CDECL WLDAP32_ldap_result( WLDAP32_LDAP *ld, ULONG msgid, ULONG all,
struct l_timeval *timeout, WLDAP32_LDAPMessage **res )
{
ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
#ifdef HAVE_LDAP
TRACE( "(%p, 0x%08x, 0x%08x, %p, %p)\n", ld, msgid, all, timeout, res );
if (!ld || !res || msgid == ~0u) return ~0u;
ret = ldap_result( ld, msgid, all, (struct timeval *)timeout, res );
#endif
return ret;
}
/***********************************************************************
* LdapUnicodeToUTF8 (WLDAP32.@)
*
* Convert a wide character string to a UTF8 string.
*
* PARAMS
* src [I] Wide character string to convert.
* srclen [I] Size of string to convert, in characters.
* dst [O] Pointer to a buffer that receives the converted string.
* dstlen [I] Size of the destination buffer in characters.
*
* RETURNS
* The number of characters written into the destination buffer.
*
* NOTES
* Set dstlen to zero to ask for the required buffer size.
*/
int CDECL LdapUnicodeToUTF8( LPCWSTR src, int srclen, LPSTR dst, int dstlen )
{
return WideCharToMultiByte( CP_UTF8, 0, src, srclen, dst, dstlen, NULL, NULL );
}
/***********************************************************************
* LdapUTF8ToUnicode (WLDAP32.@)
*
* Convert a UTF8 string to a wide character string.
*
* PARAMS
* src [I] UTF8 string to convert.
* srclen [I] Size of string to convert, in characters.
* dst [O] Pointer to a buffer that receives the converted string.
* dstlen [I] Size of the destination buffer in characters.
*
* RETURNS
* The number of characters written into the destination buffer.
*
* NOTES
* Set dstlen to zero to ask for the required buffer size.
*/
int CDECL LdapUTF8ToUnicode( LPCSTR src, int srclen, LPWSTR dst, int dstlen )
{
return MultiByteToWideChar( CP_UTF8, 0, src, srclen, dst, dstlen );
}