2006-10-15 12:32:25 +04:00
/*
Unix SMB / CIFS implementation .
NetBSD loadable authentication module , providing identification
routines against Samba winbind / Windows NT Domain
Copyright ( C ) Luke Mewburn 2004 - 2005
This library is free software ; you can redistribute it and / or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation ; either
2007-07-10 06:31:50 +04:00
version 3 of the License , or ( at your option ) any later version .
2006-10-15 12:32:25 +04:00
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
Library General Public License for more details .
You should have received a copy of the GNU Library General Public
License along with this library ; if not , write to the
Free Software Foundation , Inc . , 59 Temple Place - Suite 330 ,
Boston , MA 02111 - 1307 , USA .
*/
# include "winbind_client.h"
2007-06-04 12:03:46 +04:00
# include <sys/param.h>
2006-10-15 12:32:25 +04:00
# include <stdarg.h>
# include <syslog.h>
/* dynamic nsswitch with "new" getpw* nsdispatch API available */
# if defined(NSS_MODULE_INTERFACE_VERSION) && defined(HAVE_GETPWENT_R)
/*
group functions
- - - - - - - - - - - - - - -
*/
static struct group _winbind_group ;
static char _winbind_groupbuf [ 1024 ] ;
int
netbsdwinbind_endgrent ( void * nsrv , void * nscb , va_list ap )
{
int rv ;
rv = _nss_winbind_endgrent ( ) ;
return rv ;
}
int
netbsdwinbind_setgrent ( void * nsrv , void * nscb , va_list ap )
{
int rv ;
rv = _nss_winbind_setgrent ( ) ;
return rv ;
}
int
netbsdwinbind_getgrent ( void * nsrv , void * nscb , va_list ap )
{
struct group * * retval = va_arg ( ap , struct group * * ) ;
int rv , rerrno ;
* retval = NULL ;
rv = _nss_winbind_getgrent_r ( & _winbind_group ,
_winbind_groupbuf , sizeof ( _winbind_groupbuf ) , & rerrno ) ;
if ( rv = = NS_SUCCESS )
* retval = & _winbind_group ;
return rv ;
}
int
netbsdwinbind_getgrent_r ( void * nsrv , void * nscb , va_list ap )
{
int * retval = va_arg ( ap , int * ) ;
struct group * grp = va_arg ( ap , struct group * ) ;
char * buffer = va_arg ( ap , char * ) ;
size_t buflen = va_arg ( ap , size_t ) ;
struct group * * result = va_arg ( ap , struct group * * ) ;
int rv , rerrno ;
* result = NULL ;
rerrno = 0 ;
rv = _nss_winbind_getgrent_r ( grp , buffer , buflen , rerrno ) ;
if ( rv = = NS_SUCCESS )
* result = grp ;
else
* retval = rerrno ;
return rv ;
}
int
netbsdwinbind_getgrgid ( void * nsrv , void * nscb , va_list ap )
{
struct group * * retval = va_arg ( ap , struct group * * ) ;
gid_t gid = va_arg ( ap , gid_t ) ;
int rv , rerrno ;
* retval = NULL ;
rv = _nss_winbind_getgrgid_r ( gid , & _winbind_group ,
_winbind_groupbuf , sizeof ( _winbind_groupbuf ) , & rerrno ) ;
if ( rv = = NS_SUCCESS )
* retval = & _winbind_group ;
return rv ;
}
int
netbsdwinbind_getgrgid_r ( void * nsrv , void * nscb , va_list ap )
{
int * retval = va_arg ( ap , int * ) ;
gid_t gid = va_arg ( ap , gid_t ) ;
struct group * grp = va_arg ( ap , struct group * ) ;
char * buffer = va_arg ( ap , char * ) ;
size_t buflen = va_arg ( ap , size_t ) ;
struct group * * result = va_arg ( ap , struct group * * ) ;
int rv , rerrno ;
* result = NULL ;
rerrno = 0 ;
rv = _nss_winbind_getgrgid_r ( gid , grp , buffer , buflen , & rerrno ) ;
if ( rv = = NS_SUCCESS )
* result = grp ;
else
* retval = rerrno ;
return rv ;
}
int
netbsdwinbind_getgrnam ( void * nsrv , void * nscb , va_list ap )
{
struct group * * retval = va_arg ( ap , struct group * * ) ;
const char * name = va_arg ( ap , const char * ) ;
int rv , rerrno ;
* retval = NULL ;
rv = _nss_winbind_getgrnam_r ( name , & _winbind_group ,
_winbind_groupbuf , sizeof ( _winbind_groupbuf ) , & rerrno ) ;
if ( rv = = NS_SUCCESS )
* retval = & _winbind_group ;
return rv ;
}
int
netbsdwinbind_getgrnam_r ( void * nsrv , void * nscb , va_list ap )
{
int * retval = va_arg ( ap , int * ) ;
const char * name = va_arg ( ap , const char * ) ;
struct group * grp = va_arg ( ap , struct group * ) ;
char * buffer = va_arg ( ap , char * ) ;
size_t buflen = va_arg ( ap , size_t ) ;
struct group * * result = va_arg ( ap , struct group * * ) ;
int rv , rerrno ;
* result = NULL ;
rerrno = 0 ;
rv = _nss_winbind_getgrnam_r ( name , grp , buffer , buflen , & rerrno ) ;
if ( rv = = NS_SUCCESS )
* result = grp ;
else
* retval = rerrno ;
return rv ;
}
int
netbsdwinbind_getgroupmembership ( void * nsrv , void * nscb , va_list ap )
{
int * result = va_arg ( ap , int * ) ;
const char * uname = va_arg ( ap , const char * ) ;
gid_t agroup = va_arg ( ap , gid_t ) ;
gid_t * groups = va_arg ( ap , gid_t * ) ;
int maxgrp = va_arg ( ap , int ) ;
int * groupc = va_arg ( ap , int * ) ;
struct winbindd_request request ;
struct winbindd_response response ;
gid_t * wblistv ;
int wblistc , i , isdup , dupc ;
ZERO_STRUCT ( request ) ;
ZERO_STRUCT ( response ) ;
strncpy ( request . data . username , uname ,
sizeof ( request . data . username ) - 1 ) ;
i = winbindd_request_response ( WINBINDD_GETGROUPS , & request , & response ) ;
if ( i ! = NSS_STATUS_SUCCESS )
return NS_NOTFOUND ;
wblistv = ( gid_t * ) response . extra_data . data ;
wblistc = response . data . num_entries ;
for ( i = 0 ; i < wblistc ; i + + ) { /* add winbind gids */
isdup = 0 ; /* skip duplicates */
for ( dupc = 0 ; dupc < MIN ( maxgrp , * groupc ) ; dupc + + ) {
if ( groups [ dupc ] = = wblistv [ i ] ) {
isdup = 1 ;
break ;
}
}
if ( isdup )
continue ;
if ( * groupc < maxgrp ) /* add this gid */
groups [ * groupc ] = wblistv [ i ] ;
else
* result = - 1 ;
( * groupc ) + + ;
}
SAFE_FREE ( wblistv ) ;
return NS_NOTFOUND ;
}
/*
passwd functions
- - - - - - - - - - - - - - - -
*/
static struct passwd _winbind_passwd ;
static char _winbind_passwdbuf [ 1024 ] ;
int
netbsdwinbind_endpwent ( void * nsrv , void * nscb , va_list ap )
{
int rv ;
rv = _nss_winbind_endpwent ( ) ;
return rv ;
}
int
netbsdwinbind_setpwent ( void * nsrv , void * nscb , va_list ap )
{
int rv ;
rv = _nss_winbind_setpwent ( ) ;
return rv ;
}
int
netbsdwinbind_getpwent ( void * nsrv , void * nscb , va_list ap )
{
struct passwd * * retval = va_arg ( ap , struct passwd * * ) ;
int rv , rerrno ;
* retval = NULL ;
rv = _nss_winbind_getpwent_r ( & _winbind_passwd ,
_winbind_passwdbuf , sizeof ( _winbind_passwdbuf ) , & rerrno ) ;
if ( rv = = NS_SUCCESS )
* retval = & _winbind_passwd ;
return rv ;
}
int
netbsdwinbind_getpwent_r ( void * nsrv , void * nscb , va_list ap )
{
int * retval = va_arg ( ap , int * ) ;
struct passwd * pw = va_arg ( ap , struct passwd * ) ;
char * buffer = va_arg ( ap , char * ) ;
size_t buflen = va_arg ( ap , size_t ) ;
struct passwd * * result = va_arg ( ap , struct passwd * * ) ;
int rv , rerrno ;
* result = NULL ;
rerrno = 0 ;
rv = _nss_winbind_getpwent_r ( pw , buffer , buflen , rerrno ) ;
if ( rv = = NS_SUCCESS )
* result = pw ;
else
* retval = rerrno ;
return rv ;
}
int
netbsdwinbind_getpwnam ( void * nsrv , void * nscb , va_list ap )
{
struct passwd * * retval = va_arg ( ap , struct passwd * * ) ;
const char * name = va_arg ( ap , const char * ) ;
int rv , rerrno ;
* retval = NULL ;
rv = _nss_winbind_getpwnam_r ( name , & _winbind_passwd ,
_winbind_passwdbuf , sizeof ( _winbind_passwdbuf ) , & rerrno ) ;
if ( rv = = NS_SUCCESS )
* retval = & _winbind_passwd ;
return rv ;
}
int
netbsdwinbind_getpwnam_r ( void * nsrv , void * nscb , va_list ap )
{
int * retval = va_arg ( ap , int * ) ;
const char * name = va_arg ( ap , const char * ) ;
struct passwd * pw = va_arg ( ap , struct passwd * ) ;
char * buffer = va_arg ( ap , char * ) ;
size_t buflen = va_arg ( ap , size_t ) ;
struct passwd * * result = va_arg ( ap , struct passwd * * ) ;
int rv , rerrno ;
* result = NULL ;
rerrno = 0 ;
rv = _nss_winbind_getpwnam_r ( name , pw , buffer , buflen , & rerrno ) ;
if ( rv = = NS_SUCCESS )
* result = pw ;
else
* retval = rerrno ;
return rv ;
}
int
netbsdwinbind_getpwuid ( void * nsrv , void * nscb , va_list ap )
{
struct passwd * * retval = va_arg ( ap , struct passwd * * ) ;
uid_t uid = va_arg ( ap , uid_t ) ;
int rv , rerrno ;
* retval = NULL ;
rv = _nss_winbind_getpwuid_r ( uid , & _winbind_passwd ,
_winbind_passwdbuf , sizeof ( _winbind_passwdbuf ) , & rerrno ) ;
if ( rv = = NS_SUCCESS )
* retval = & _winbind_passwd ;
return rv ;
}
int
netbsdwinbind_getpwuid_r ( void * nsrv , void * nscb , va_list ap )
{
int * retval = va_arg ( ap , int * ) ;
uid_t uid = va_arg ( ap , uid_t ) ;
struct passwd * pw = va_arg ( ap , struct passwd * ) ;
char * buffer = va_arg ( ap , char * ) ;
size_t buflen = va_arg ( ap , size_t ) ;
struct passwd * * result = va_arg ( ap , struct passwd * * ) ;
int rv , rerrno ;
* result = NULL ;
rerrno = 0 ;
rv = _nss_winbind_getpwuid_r ( uid , pw , buffer , buflen , & rerrno ) ;
if ( rv = = NS_SUCCESS )
* result = pw ;
else
* retval = rerrno ;
return rv ;
}
/*
nsswitch module setup
- - - - - - - - - - - - - - - - - - - - -
*/
static ns_mtab winbind_methods [ ] = {
{ NSDB_GROUP , " endgrent " , netbsdwinbind_endgrent , NULL } ,
{ NSDB_GROUP , " getgrent " , netbsdwinbind_getgrent , NULL } ,
{ NSDB_GROUP , " getgrent_r " , netbsdwinbind_getgrent_r , NULL } ,
{ NSDB_GROUP , " getgrgid " , netbsdwinbind_getgrgid , NULL } ,
{ NSDB_GROUP , " getgrgid_r " , netbsdwinbind_getgrgid_r , NULL } ,
{ NSDB_GROUP , " getgrnam " , netbsdwinbind_getgrnam , NULL } ,
{ NSDB_GROUP , " getgrnam_r " , netbsdwinbind_getgrnam_r , NULL } ,
{ NSDB_GROUP , " setgrent " , netbsdwinbind_setgrent , NULL } ,
{ NSDB_GROUP , " setgroupent " , netbsdwinbind_setgrent , NULL } ,
{ NSDB_GROUP , " getgroupmembership " , netbsdwinbind_getgroupmembership , NULL } ,
{ NSDB_PASSWD , " endpwent " , netbsdwinbind_endpwent , NULL } ,
{ NSDB_PASSWD , " getpwent " , netbsdwinbind_getpwent , NULL } ,
{ NSDB_PASSWD , " getpwent_r " , netbsdwinbind_getpwent_r , NULL } ,
{ NSDB_PASSWD , " getpwnam " , netbsdwinbind_getpwnam , NULL } ,
{ NSDB_PASSWD , " getpwnam_r " , netbsdwinbind_getpwnam_r , NULL } ,
{ NSDB_PASSWD , " getpwuid " , netbsdwinbind_getpwuid , NULL } ,
{ NSDB_PASSWD , " getpwuid_r " , netbsdwinbind_getpwuid_r , NULL } ,
{ NSDB_PASSWD , " setpassent " , netbsdwinbind_setpwent , NULL } ,
{ NSDB_PASSWD , " setpwent " , netbsdwinbind_setpwent , NULL } ,
} ;
ns_mtab *
nss_module_register ( const char * source , unsigned int * mtabsize ,
nss_module_unregister_fn * unreg )
{
* mtabsize = sizeof ( winbind_methods ) / sizeof ( winbind_methods [ 0 ] ) ;
* unreg = NULL ;
return ( winbind_methods ) ;
}
# endif /* NSS_MODULE_INTERFACE_VERSION && HAVE_GETPWENT_R */