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wine/dlls/wldap32/init.c

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/*
* 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 <stdarg.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winternl.h"
#include "schannel.h"
#include "sspi.h"
#include "wine/debug.h"
#include "winldap_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(wldap32);
/* Split a space separated string of hostnames into a string array */
static char **split_hostnames( const char *hostnames )
{
char **res, *str, *p, *q;
unsigned int i = 0;
str = strdup( hostnames );
if (!str) return NULL;
p = str;
while (isspace( *p )) p++;
if (*p) i++;
while (*p)
{
if (isspace( *p ))
{
while (isspace( *p )) p++;
if (*p) i++;
}
p++;
}
if (!(res = malloc( (i + 1) * sizeof(char *) )))
{
free( str );
return NULL;
}
p = str;
while (isspace( *p )) p++;
q = p;
i = 0;
while (*p)
{
if (p[1] != '\0')
{
if (isspace( *p ))
{
*p = '\0'; p++;
res[i] = strdup( q );
if (!res[i]) goto oom;
i++;
while (isspace( *p )) p++;
q = p;
}
}
else
{
res[i] = strdup( q );
if (!res[i]) goto oom;
i++;
}
p++;
}
res[i] = NULL;
free( str );
return res;
oom:
while (i > 0) free( res[--i] );
free( res );
free( str );
return NULL;
}
/* Determine if a URL starts with a known LDAP scheme */
static BOOL has_ldap_scheme( char *url )
{
return !_strnicmp( url, "ldap://", 7 ) ||
!_strnicmp( url, "ldaps://", 8 ) ||
!_strnicmp( url, "ldapi://", 8 ) ||
!_strnicmp( url, "cldap://", 8 );
}
/* Flatten an array of hostnames into a space separated string of URLs.
* Prepend a given scheme and append a given port number to each hostname
* if necessary.
*/
static char *join_hostnames( const char *scheme, char **hostnames, ULONG portnumber )
{
char *res, *p, *q, **v;
unsigned int i = 0, size = 0;
static const char sep[] = " ";
char port[7];
sprintf( port, ":%lu", portnumber );
for (v = hostnames; *v; v++)
{
if (!has_ldap_scheme( *v ))
{
size += strlen( scheme );
q = *v;
}
else
/* skip past colon in scheme prefix */
q = strchr( *v, '/' );
size += strlen( *v );
if (!strchr( q, ':' ))
size += strlen( port );
i++;
}
size += (i - 1) * strlen( sep );
if (!(res = malloc( size + 1 ))) return NULL;
p = res;
for (v = hostnames; *v; v++)
{
if (v != hostnames)
{
strcpy( p, sep );
p += strlen( sep );
}
if (!has_ldap_scheme( *v ))
{
strcpy( p, scheme );
p += strlen( scheme );
q = *v;
}
else
/* skip past colon in scheme prefix */
q = strchr( *v, '/' );
strcpy( p, *v );
p += strlen( *v );
if (!strchr( q, ':' ))
{
strcpy( p, port );
p += strlen( port );
}
}
return res;
}
static char *urlify_hostnames( const char *scheme, char *hostnames, ULONG port )
{
char *url = NULL, **strarray;
strarray = split_hostnames( hostnames );
if (strarray)
url = join_hostnames( scheme, strarray, port );
else
return NULL;
strarrayfreeU( strarray );
return url;
}
static LDAP *create_context( const char *url )
{
LDAP *ld;
int version = WLDAP32_LDAP_VERSION3;
if (!(ld = calloc( 1, sizeof( *ld )))) return NULL;
if (map_error( ldap_initialize( &CTX(ld), url ) ) == WLDAP32_LDAP_SUCCESS)
{
ldap_set_option( CTX(ld), WLDAP32_LDAP_OPT_PROTOCOL_VERSION, &version );
return ld;
}
free( ld );
return NULL;
}
/***********************************************************************
* cldap_openA (WLDAP32.@)
*/
LDAP * CDECL cldap_openA( char *hostname, ULONG portnumber )
{
LDAP *ld;
WCHAR *hostnameW = NULL;
TRACE( "(%s, %lu)\n", debugstr_a(hostname), portnumber );
if (hostname && !(hostnameW = strAtoW( hostname ))) return NULL;
ld = cldap_openW( hostnameW, portnumber );
free( hostnameW );
return ld;
}
/***********************************************************************
* cldap_openW (WLDAP32.@)
*/
LDAP * CDECL cldap_openW( WCHAR *hostname, ULONG portnumber )
{
LDAP *ld = NULL;
char *hostnameU, *url = NULL;
TRACE( "(%s, %lu)\n", debugstr_w(hostname), portnumber );
if (!(hostnameU = strWtoU( hostname ? hostname : L"localhost" ))) return NULL;
if (!(url = urlify_hostnames( "cldap://", hostnameU, portnumber ))) goto exit;
ld = create_context( url );
exit:
free( hostnameU );
free( url );
return ld;
}
/***********************************************************************
* ldap_connect (WLDAP32.@)
*/
ULONG CDECL WLDAP32_ldap_connect( LDAP *ld, struct l_timeval *timeout )
{
VERIFYSERVERCERT *cert_callback = CERT_CALLBACK(ld);
int ret;
TRACE( "(%p, %p)\n", ld, timeout );
if (!ld) return WLDAP32_LDAP_PARAM_ERROR;
if (CONNECTED(ld)) return WLDAP32_LDAP_SUCCESS;
if (timeout && (timeout->tv_sec || timeout->tv_usec)) FIXME( "ignoring timeout\n" );
if ((ret = ldap_connect( CTX(ld) ))) return map_error( ret );
if (cert_callback)
{
CtxtHandle *tls_context;
const CERT_CONTEXT *cert;
if ((ret = ldap_get_option( CTX(ld), LDAP_OPT_X_TLS_SSL_CTX, &tls_context )))
return map_error( ret );
if (QueryContextAttributesA( tls_context, SECPKG_ATTR_REMOTE_CERT_CONTEXT, &cert ) == SEC_E_OK)
{
if (cert_callback( ld, &cert ))
{
TRACE( "accepted\n" );
}
else
{
WARN( "rejected\n" );
return WLDAP32_LDAP_SERVER_DOWN;
}
}
}
CONNECTED(ld) = TRUE;
return WLDAP32_LDAP_SUCCESS;
}
/***********************************************************************
* ldap_initA (WLDAP32.@)
*/
LDAP * CDECL ldap_initA( const PCHAR hostname, ULONG portnumber )
{
LDAP *ld;
WCHAR *hostnameW = NULL;
TRACE( "(%s, %lu)\n", debugstr_a(hostname), portnumber );
if (hostname && !(hostnameW = strAtoW( hostname ))) return NULL;
ld = ldap_initW( hostnameW, portnumber );
free( hostnameW );
return ld;
}
/***********************************************************************
* ldap_initW (WLDAP32.@)
*/
LDAP * CDECL ldap_initW( const PWCHAR hostname, ULONG portnumber )
{
LDAP *ld = NULL;
char *hostnameU, *url = NULL;
TRACE( "(%s, %lu)\n", debugstr_w(hostname), portnumber );
if (!(hostnameU = strWtoU( hostname ? hostname : L"localhost" ))) return NULL;
if (!(url = urlify_hostnames( "ldap://", hostnameU, portnumber ))) goto exit;
ld = create_context( url );
exit:
free( hostnameU );
free( url );
return ld;
}
/***********************************************************************
* ldap_openA (WLDAP32.@)
*/
LDAP * CDECL ldap_openA( char *hostname, ULONG portnumber )
{
LDAP *ld;
WCHAR *hostnameW = NULL;
TRACE( "(%s, %lu)\n", debugstr_a(hostname), portnumber );
if (hostname && !(hostnameW = strAtoW( hostname ))) return NULL;
ld = ldap_openW( hostnameW, portnumber );
free( hostnameW );
return ld;
}
/***********************************************************************
* ldap_openW (WLDAP32.@)
*/
LDAP * CDECL ldap_openW( WCHAR *hostname, ULONG portnumber )
{
LDAP *ld = NULL;
char *hostnameU, *url = NULL;
TRACE( "(%s, %lu)\n", debugstr_w(hostname), portnumber );
if (!(hostnameU = strWtoU( hostname ? hostname : L"localhost" ))) return NULL;
if (!(url = urlify_hostnames( "ldap://", hostnameU, portnumber ))) goto exit;
ld = create_context( url );
exit:
free( hostnameU );
free( url );
return ld;
}
/***********************************************************************
* ldap_sslinitA (WLDAP32.@)
*/
LDAP * CDECL ldap_sslinitA( char *hostname, ULONG portnumber, int secure )
{
LDAP *ld;
WCHAR *hostnameW = NULL;
TRACE( "(%s, %lu, %d)\n", debugstr_a(hostname), portnumber, secure );
if (hostname && !(hostnameW = strAtoW( hostname ))) return NULL;
ld = ldap_sslinitW( hostnameW, portnumber, secure );
free( hostnameW );
return ld;
}
/***********************************************************************
* ldap_sslinitW (WLDAP32.@)
*/
LDAP * CDECL ldap_sslinitW( WCHAR *hostname, ULONG portnumber, int secure )
{
LDAP *ld = NULL;
char *hostnameU, *url = NULL;
TRACE( "(%s, %lu, %d)\n", debugstr_w(hostname), portnumber, secure );
if (!(hostnameU = strWtoU( hostname ? hostname : L"localhost" ))) return NULL;
if (secure)
url = urlify_hostnames( "ldaps://", hostnameU, portnumber );
else
url = urlify_hostnames( "ldap://", hostnameU, portnumber );
if (!url) goto exit;
ld = create_context( url );
exit:
free( hostnameU );
free( url );
return ld;
}
/***********************************************************************
* ldap_start_tls_sA (WLDAP32.@)
*/
ULONG CDECL ldap_start_tls_sA( LDAP *ld, ULONG *retval, LDAPMessage **result, LDAPControlA **serverctrls,
LDAPControlA **clientctrls )
{
ULONG ret = WLDAP32_LDAP_NO_MEMORY;
LDAPControlW **serverctrlsW = NULL, **clientctrlsW = NULL;
TRACE( "(%p, %p, %p, %p, %p)\n", ld, retval, result, serverctrls, clientctrls );
if (!ld) return ~0u;
if (serverctrls && !(serverctrlsW = controlarrayAtoW( serverctrls ))) goto exit;
if (clientctrls && !(clientctrlsW = controlarrayAtoW( clientctrls ))) goto exit;
ret = ldap_start_tls_sW( ld, retval, result, serverctrlsW, clientctrlsW );
exit:
controlarrayfreeW( serverctrlsW );
controlarrayfreeW( clientctrlsW );
return ret;
}
/***********************************************************************
* ldap_start_tls_s (WLDAP32.@)
*/
ULONG CDECL ldap_start_tls_sW( LDAP *ld, ULONG *retval, LDAPMessage **result, LDAPControlW **serverctrls,
LDAPControlW **clientctrls )
{
ULONG ret = WLDAP32_LDAP_NO_MEMORY;
LDAPControl **serverctrlsU = NULL, **clientctrlsU = NULL;
TRACE( "(%p, %p, %p, %p, %p)\n", ld, retval, result, serverctrls, clientctrls );
if (result)
{
FIXME( "result message not supported\n" );
*result = NULL;
}
if (!ld) return ~0u;
if (CONNECTED(ld)) return WLDAP32_LDAP_LOCAL_ERROR;
if (serverctrls && !(serverctrlsU = controlarrayWtoU( serverctrls ))) goto exit;
if (clientctrls && !(clientctrlsU = controlarrayWtoU( clientctrls ))) goto exit;
ret = map_error( ldap_start_tls_s( CTX(ld), serverctrlsU, clientctrlsU ) );
exit:
controlarrayfreeU( serverctrlsU );
controlarrayfreeU( clientctrlsU );
return ret;
}
/***********************************************************************
* ldap_startup (WLDAP32.@)
*/
ULONG CDECL ldap_startup( LDAP_VERSION_INFO *version, HANDLE *instance )
{
TRACE( "(%p, %p)\n", version, instance );
return WLDAP32_LDAP_SUCCESS;
}
/***********************************************************************
* ldap_stop_tls_s (WLDAP32.@)
*/
BOOLEAN CDECL ldap_stop_tls_s( LDAP *ld )
{
TRACE( "(%p)\n", ld );
return TRUE; /* FIXME: find a way to stop tls on a connection */
}
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