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/**
* @file
*
* @brief IMFS Change Owner
* @ingroup IMFS
*/
/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include "imfs.h"
#include <unistd.h>
#include <rtems/libio_.h>
int IMFS_chown(
const rtems_filesystem_location_info_t *loc,
uid_t owner,
gid_t group
)
{
IMFS_jnode_t *jnode;
#if defined(RTEMS_POSIX_API)
uid_t st_uid;
#endif
jnode = (IMFS_jnode_t *) loc->node_access;
/*
* Verify I am the owner of the node or the super user.
*/
#if defined(RTEMS_POSIX_API)
st_uid = geteuid();
if ( ( st_uid != jnode->st_uid ) && ( st_uid != 0 ) )
rtems_set_errno_and_return_minus_one( EPERM );
#endif
jnode->st_uid = owner;
jnode->st_gid = group;
IMFS_update_ctime( jnode );
return 0;
}
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