reactos/dll/win32/wldap32/init.c
2019-12-07 13:09:39 +01:00

691 lines
17 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 <stdio.h>
#include <stdarg.h>
#ifdef HAVE_LDAP_H
#include <ldap.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "wine/winternl.h"
#include "winldap_private.h"
#include "wldap32.h"
#include "wine/debug.h"
#ifdef HAVE_LDAP
/* Should eventually be determined by the algorithm documented on MSDN. */
static const WCHAR defaulthost[] = { 'l','o','c','a','l','h','o','s','t',0 };
/* 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 = strdupU( 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 = heap_alloc( (i + 1) * sizeof(char *) )))
{
heap_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] = strdupU( q );
if (!res[i]) goto oom;
i++;
while (isspace( *p )) p++;
q = p;
}
}
else
{
res[i] = strdupU( q );
if (!res[i]) goto oom;
i++;
}
p++;
}
res[i] = NULL;
heap_free( str );
return res;
oom:
while (i > 0) strfreeU( res[--i] );
heap_free( res );
heap_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[] = " ", fmt[] = ":%d";
char port[7];
sprintf( port, fmt, 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 = heap_alloc( 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;
}
#endif
WINE_DEFAULT_DEBUG_CHANNEL(wldap32);
#ifdef HAVE_LDAP
static LDAP *create_context( const char *url )
{
LDAP *ld;
int version = LDAP_VERSION3;
if (ldap_initialize( &ld, url ) != LDAP_SUCCESS) return NULL;
ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &version );
return ld;
}
#endif
/***********************************************************************
* cldap_openA (WLDAP32.@)
*
* See cldap_openW.
*/
WLDAP32_LDAP * CDECL cldap_openA( PCHAR hostname, ULONG portnumber )
{
#ifdef HAVE_LDAP
WLDAP32_LDAP *ld = NULL;
WCHAR *hostnameW = NULL;
TRACE( "(%s, %d)\n", debugstr_a(hostname), portnumber );
if (hostname) {
hostnameW = strAtoW( hostname );
if (!hostnameW) goto exit;
}
ld = cldap_openW( hostnameW, portnumber );
exit:
strfreeW( hostnameW );
return ld;
#else
return NULL;
#endif
}
/***********************************************************************
* cldap_openW (WLDAP32.@)
*
* Initialize an LDAP context and create a UDP connection.
*
* PARAMS
* hostname [I] Name of the host to connect to.
* portnumber [I] Port number to use.
*
* RETURNS
* Success: Pointer to an LDAP context.
* Failure: NULL
*
* NOTES
* The hostname string can be a space separated string of hostnames,
* in which case the LDAP runtime will try to connect to the hosts
* in order, until a connection can be made. A hostname may have a
* trailing port number (separated from the hostname by a ':'), which
* will take precedence over the port number supplied as a parameter
* to this function.
*/
WLDAP32_LDAP * CDECL cldap_openW( PWCHAR hostname, ULONG portnumber )
{
#ifdef HAVE_LDAP
LDAP *ld = NULL;
char *hostnameU = NULL, *url = NULL;
TRACE( "(%s, %d)\n", debugstr_w(hostname), portnumber );
if (hostname) {
hostnameU = strWtoU( hostname );
if (!hostnameU) goto exit;
}
else {
hostnameU = strWtoU( defaulthost );
if (!hostnameU) goto exit;
}
url = urlify_hostnames( "cldap://", hostnameU, portnumber );
if (!url) goto exit;
ld = create_context( url );
exit:
strfreeU( hostnameU );
strfreeU( url );
return ld;
#else
return NULL;
#endif
}
/***********************************************************************
* ldap_connect (WLDAP32.@)
*
* Connect to an LDAP server.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* timeout [I] Pointer to an l_timeval structure specifying the
* timeout in seconds.
*
* RETURNS
* Success: LDAP_SUCCESS
* Failure: An LDAP error code.
*
* NOTES
* The timeout parameter may be NULL in which case a default timeout
* value will be used.
*/
ULONG CDECL ldap_connect( WLDAP32_LDAP *ld, struct l_timeval *timeout )
{
TRACE( "(%p, %p)\n", ld, timeout );
if (!ld) return WLDAP32_LDAP_PARAM_ERROR;
return WLDAP32_LDAP_SUCCESS; /* FIXME: do something, e.g. ping the host */
}
/***********************************************************************
* ldap_initA (WLDAP32.@)
*
* See ldap_initW.
*/
WLDAP32_LDAP * CDECL ldap_initA( const PCHAR hostname, ULONG portnumber )
{
#ifdef HAVE_LDAP
WLDAP32_LDAP *ld = NULL;
WCHAR *hostnameW = NULL;
TRACE( "(%s, %d)\n", debugstr_a(hostname), portnumber );
if (hostname) {
hostnameW = strAtoW( hostname );
if (!hostnameW) goto exit;
}
ld = ldap_initW( hostnameW, portnumber );
exit:
strfreeW( hostnameW );
return ld;
#else
return NULL;
#endif
}
/***********************************************************************
* ldap_initW (WLDAP32.@)
*
* Initialize an LDAP context and create a TCP connection.
*
* PARAMS
* hostname [I] Name of the host to connect to.
* portnumber [I] Port number to use.
*
* RETURNS
* Success: Pointer to an LDAP context.
* Failure: NULL
*
* NOTES
* The hostname string can be a space separated string of hostnames,
* in which case the LDAP runtime will try to connect to the hosts
* in order, until a connection can be made. A hostname may have a
* trailing port number (separated from the hostname by a ':'), which
* will take precedence over the port number supplied as a parameter
* to this function. The connection will not be made until the first
* LDAP function that needs it is called.
*/
WLDAP32_LDAP * CDECL ldap_initW( const PWCHAR hostname, ULONG portnumber )
{
#ifdef HAVE_LDAP
LDAP *ld = NULL;
char *hostnameU = NULL, *url = NULL;
TRACE( "(%s, %d)\n", debugstr_w(hostname), portnumber );
if (hostname) {
hostnameU = strWtoU( hostname );
if (!hostnameU) goto exit;
}
else {
hostnameU = strWtoU( defaulthost );
if (!hostnameU) goto exit;
}
url = urlify_hostnames( "ldap://", hostnameU, portnumber );
if (!url) goto exit;
ld = create_context( url );
exit:
strfreeU( hostnameU );
strfreeU( url );
return ld;
#else
return NULL;
#endif
}
/***********************************************************************
* ldap_openA (WLDAP32.@)
*
* See ldap_openW.
*/
WLDAP32_LDAP * CDECL ldap_openA( PCHAR hostname, ULONG portnumber )
{
#ifdef HAVE_LDAP
WLDAP32_LDAP *ld = NULL;
WCHAR *hostnameW = NULL;
TRACE( "(%s, %d)\n", debugstr_a(hostname), portnumber );
if (hostname) {
hostnameW = strAtoW( hostname );
if (!hostnameW) goto exit;
}
ld = ldap_openW( hostnameW, portnumber );
exit:
strfreeW( hostnameW );
return ld;
#else
return NULL;
#endif
}
/***********************************************************************
* ldap_openW (WLDAP32.@)
*
* Initialize an LDAP context and create a TCP connection.
*
* PARAMS
* hostname [I] Name of the host to connect to.
* portnumber [I] Port number to use.
*
* RETURNS
* Success: Pointer to an LDAP context.
* Failure: NULL
*
* NOTES
* The hostname string can be a space separated string of hostnames,
* in which case the LDAP runtime will try to connect to the hosts
* in order, until a connection can be made. A hostname may have a
* trailing port number (separated from the hostname by a ':'), which
* will take precedence over the port number supplied as a parameter
* to this function.
*/
WLDAP32_LDAP * CDECL ldap_openW( PWCHAR hostname, ULONG portnumber )
{
#ifdef HAVE_LDAP
LDAP *ld = NULL;
char *hostnameU = NULL, *url = NULL;
TRACE( "(%s, %d)\n", debugstr_w(hostname), portnumber );
if (hostname) {
hostnameU = strWtoU( hostname );
if (!hostnameU) goto exit;
}
else {
hostnameU = strWtoU( defaulthost );
if (!hostnameU) goto exit;
}
url = urlify_hostnames( "ldap://", hostnameU, portnumber );
if (!url) goto exit;
ld = create_context( url );
exit:
strfreeU( hostnameU );
strfreeU( url );
return ld;
#else
return NULL;
#endif
}
/***********************************************************************
* ldap_sslinitA (WLDAP32.@)
*
* See ldap_sslinitW.
*/
WLDAP32_LDAP * CDECL ldap_sslinitA( PCHAR hostname, ULONG portnumber, int secure )
{
#ifdef HAVE_LDAP
WLDAP32_LDAP *ld;
WCHAR *hostnameW = NULL;
TRACE( "(%s, %d, 0x%08x)\n", debugstr_a(hostname), portnumber, secure );
if (hostname) {
hostnameW = strAtoW( hostname );
if (!hostnameW) return NULL;
}
ld = ldap_sslinitW( hostnameW, portnumber, secure );
strfreeW( hostnameW );
return ld;
#else
return NULL;
#endif
}
/***********************************************************************
* ldap_sslinitW (WLDAP32.@)
*
* Initialize an LDAP context and create a secure TCP connection.
*
* PARAMS
* hostname [I] Name of the host to connect to.
* portnumber [I] Port number to use.
* secure [I] Ask the server to create an SSL connection.
*
* RETURNS
* Success: Pointer to an LDAP context.
* Failure: NULL
*
* NOTES
* The hostname string can be a space separated string of hostnames,
* in which case the LDAP runtime will try to connect to the hosts
* in order, until a connection can be made. A hostname may have a
* trailing port number (separated from the hostname by a ':'), which
* will take precedence over the port number supplied as a parameter
* to this function. The connection will not be made until the first
* LDAP function that needs it is called.
*/
WLDAP32_LDAP * CDECL ldap_sslinitW( PWCHAR hostname, ULONG portnumber, int secure )
{
#ifdef HAVE_LDAP
WLDAP32_LDAP *ld = NULL;
char *hostnameU = NULL, *url = NULL;
TRACE( "(%s, %d, 0x%08x)\n", debugstr_w(hostname), portnumber, secure );
if (hostname) {
hostnameU = strWtoU( hostname );
if (!hostnameU) goto exit;
}
else {
hostnameU = strWtoU( defaulthost );
if (!hostnameU) goto exit;
}
if (secure)
url = urlify_hostnames( "ldaps://", hostnameU, portnumber );
else
url = urlify_hostnames( "ldap://", hostnameU, portnumber );
if (!url) goto exit;
ldap_initialize( &ld, url );
exit:
strfreeU( hostnameU );
strfreeU( url );
return ld;
#else
return NULL;
#endif
}
/***********************************************************************
* ldap_start_tls_sA (WLDAP32.@)
*
* See ldap_start_tls_sW.
*/
ULONG CDECL ldap_start_tls_sA( WLDAP32_LDAP *ld, PULONG retval, WLDAP32_LDAPMessage **result,
PLDAPControlA *serverctrls, PLDAPControlA *clientctrls )
{
ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
#ifdef HAVE_LDAP
LDAPControlW **serverctrlsW = NULL, **clientctrlsW = NULL;
ret = WLDAP32_LDAP_NO_MEMORY;
TRACE( "(%p, %p, %p, %p, %p)\n", ld, retval, result, serverctrls, clientctrls );
if (!ld) return ~0u;
if (serverctrls) {
serverctrlsW = controlarrayAtoW( serverctrls );
if (!serverctrlsW) goto exit;
}
if (clientctrls) {
clientctrlsW = controlarrayAtoW( clientctrls );
if (!clientctrlsW) goto exit;
}
ret = ldap_start_tls_sW( ld, retval, result, serverctrlsW, clientctrlsW );
exit:
controlarrayfreeW( serverctrlsW );
controlarrayfreeW( clientctrlsW );
#endif
return ret;
}
/***********************************************************************
* ldap_start_tls_s (WLDAP32.@)
*
* Start TLS encryption on an LDAP connection.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
* retval [I] Return value from the server.
* result [I] Response message from the server.
* serverctrls [I] Array of LDAP server controls.
* clientctrls [I] Array of LDAP client controls.
*
* RETURNS
* Success: LDAP_SUCCESS
* Failure: An LDAP error code.
*
* NOTES
* LDAP function that needs it is called.
*/
ULONG CDECL ldap_start_tls_sW( WLDAP32_LDAP *ld, PULONG retval, WLDAP32_LDAPMessage **result,
PLDAPControlW *serverctrls, PLDAPControlW *clientctrls )
{
ULONG ret = WLDAP32_LDAP_NOT_SUPPORTED;
#ifdef HAVE_LDAP
LDAPControl **serverctrlsU = NULL, **clientctrlsU = NULL;
ret = WLDAP32_LDAP_NO_MEMORY;
TRACE( "(%p, %p, %p, %p, %p)\n", ld, retval, result, serverctrls, clientctrls );
if (!ld) return ~0u;
if (serverctrls) {
serverctrlsU = controlarrayWtoU( serverctrls );
if (!serverctrlsU) goto exit;
}
if (clientctrls) {
clientctrlsU = controlarrayWtoU( clientctrls );
if (!clientctrlsU) goto exit;
}
ret = map_error( ldap_start_tls_s( ld, serverctrlsU, clientctrlsU ));
exit:
controlarrayfreeU( serverctrlsU );
controlarrayfreeU( clientctrlsU );
#endif
return ret;
}
/***********************************************************************
* ldap_startup (WLDAP32.@)
*/
ULONG CDECL ldap_startup( PLDAP_VERSION_INFO version, HANDLE *instance )
{
TRACE( "(%p, %p)\n", version, instance );
return WLDAP32_LDAP_SUCCESS;
}
/***********************************************************************
* ldap_stop_tls_s (WLDAP32.@)
*
* Stop TLS encryption on an LDAP connection.
*
* PARAMS
* ld [I] Pointer to an LDAP context.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOLEAN CDECL ldap_stop_tls_s( WLDAP32_LDAP *ld )
{
TRACE( "(%p)\n", ld );
return TRUE; /* FIXME: find a way to stop tls on a connection */
}