From df4395dd4a7103b44d3f72dcde78f668afba700c Mon Sep 17 00:00:00 2001 From: "Michael I. Bushnell" Date: Mon, 31 Jan 1994 20:11:26 +0000 Subject: Formerly file-chown.c.~2~ --- libdiskfs/file-chown.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 libdiskfs/file-chown.c diff --git a/libdiskfs/file-chown.c b/libdiskfs/file-chown.c new file mode 100644 index 00000000..985b84ca --- /dev/null +++ b/libdiskfs/file-chown.c @@ -0,0 +1,40 @@ +/* libdiskfs implementetation of fs.defs: file_chown + Copyright (C) 1992, 1993, 1994 Free Software Foundation + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This program 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "priv.h" + +/* Implement file_chown as described in . */ +error_t +diskfs_S_file_chown (struct protid *cred, + uid_t uid, + gid_t gid) +{ + CHANGE_NODE_FIELD (cred, + ({ + if (!isowner (np, cred) + || ((!isuid (uid, cred) + || !groupmember (gid, cred)) + && !isuid (0, cred))) + err = EPERM; + else + { + np->dn_stat.st_uid = uid; + np->dn_stat.st_gid = gid; + np->dn_set_ctime = 1; + } + })); +} -- cgit v1.2.3