hide fsid in getfsstat too, clone of millert fix, problem spotted by bitblt

diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index c8736e3..46df453 100644 (file)
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: vfs_syscalls.c,v 1.22 1997/02/13 02:45:43 millert Exp $       */
+/*     $OpenBSD: vfs_syscalls.c,v 1.23 1997/02/14 17:20:09 deraadt Exp $       */
 /*     $NetBSD: vfs_syscalls.c,v 1.71 1996/04/23 10:29:02 mycroft Exp $        */
 
 /*
@@ -600,6 +600,7 @@ sys_getfsstat(p, v, retval)
        register struct statfs *sp;
        caddr_t sfsp;
        long count, maxcount, error;
+       struct statfs sb;
 
        maxcount = SCARG(uap, bufsize) / sizeof(struct statfs);
        sfsp = (caddr_t)SCARG(uap, buf);
@@ -618,6 +619,11 @@ sys_getfsstat(p, v, retval)
                            (error = VFS_STATFS(mp, sp, p)))
                                continue;
                        sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
+                       if (suser(p->p_ucred, &p->p_acflag)) {
+                               bcopy((caddr_t)sp, (caddr_t)&sb, sizeof(sb));
+                               sb.f_fsid.val[0] = sb.f_fsid.val[1] = 0;
+                               sp = &sb;
+                       }
                        error = copyout((caddr_t)sp, sfsp, sizeof(*sp));
                        if (error)
                                return (error);