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#include "fs.h"
#include "inode.h"
#include "super.h"
/*===========================================================================*
* fs_chmod *
*===========================================================================*/
int fs_chmod(ino_t ino_nr, mode_t *mode)
{
/* Perform the chmod(name, mode) system call. */
register struct inode *rip;
/* Temporarily open the file. */
if( (rip = get_inode(fs_dev, ino_nr)) == NULL)
return(EINVAL);
if(rip->i_sp->s_rd_only) {
put_inode(rip);
return EROFS;
}
/* Now make the change. Clear setgid bit if file is not in caller's grp */
rip->i_mode = (rip->i_mode & ~ALL_MODES) | (*mode & ALL_MODES);
rip->i_update |= CTIME;
IN_MARKDIRTY(rip);
/* Return full new mode to caller. */
*mode = rip->i_mode;
put_inode(rip);
return(OK);
}
/*===========================================================================*
* fs_chown *
*===========================================================================*/
int fs_chown(ino_t ino_nr, uid_t uid, gid_t gid, mode_t *mode)
{
register struct inode *rip;
/* Temporarily open the file. */
if( (rip = get_inode(fs_dev, ino_nr)) == NULL)
return(EINVAL);
rip->i_uid = uid;
rip->i_gid = gid;
rip->i_mode &= ~(I_SET_UID_BIT | I_SET_GID_BIT);
rip->i_update |= CTIME;
IN_MARKDIRTY(rip);
/* Update caller on current mode, as it may have changed. */
*mode = rip->i_mode;
put_inode(rip);
return(OK);
}
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