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Reply-to: Topi Miettinen <Topi.Miettinen@ml.tele.fi>
From: Topi Miettinen <Topi.Miettinen@ml.tele.fi>
To: bugs@bugs.debian.org
Subject: lilo does not honor TMPDIR
Date: Fri, 02 May 1997 17:11:47 +0300
Sender: tom@ml.tele.fi

Package: lilo
Version: 19-2

Lilo does not honor TMPDIR environment variable. Not many programs do, so
this can be considered a feature request. There may also be security issues
involved.

Here is a transcript (from tcsh, TMPDIR=/home/tom/tmp):
# mv /dev/hda /tmp/hda
# strace lilo -t | & grep /tmp | head -5
stat("/tmp/dev.0", 0xbffff9ec)          = -1 ENOENT (No such file or directory)
mknod("/tmp/dev.0", S_IFBLK|0600, makedev(3, 0)) = 0
stat("/tmp/dev.0", {st_mode=S_IFBLK|0600, st_rdev=makedev(3, 0), ...}) = 0
open("/tmp/dev.0", O_RDWR)              = -1 ENODEV (No such device)
unlink("/tmp/dev.0")                    = 0
# mv /tmp/hda /dev/hda

Expected behavior: temporary files should be opened in $TMPDIR.

A suggested fix: at least device.c should be converted to using tempnam(3).

-Topi