/tmp is unwriteable
Nitebirdz
nitebirdz at sacredchaos.com
Fri Feb 24 21:33:17 UTC 2006
On Fri, Feb 24, 2006 at 03:50:23PM -0400, Derek Broughton wrote:
>
> Where is /tmp initialized?
> --
[nitebirdz at frankfurt:]$ grep "/tmp" /etc/init.d/* | more
/etc/init.d/bootclean.sh:# bootclean.sh Functions to clean /tmp,
/var/run and /var/lock.
/etc/init.d/bootclean.sh: [ -f /tmp/.clean ] && return
/etc/init.d/bootclean.sh: # Don't clean /tmp if TMPTIME < 0 or
"infinite"./etc/init.d/bootclean.sh: # Wipe /tmp, but
exclude system files.
/etc/init.d/bootclean.sh: [ "$VERBOSE" != no ] && log_begin_msg
"Cleaning
/tmp..."
/etc/init.d/bootclean.sh: rm -f /tmp/.clean
/etc/init.d/bootclean.sh: :> /tmp/.clean
/etc/init.d/bootclean.sh: # Only clean out /tmp if it is
world-writable. This ensures
/etc/init.d/bootclean.sh: ( if cd /tmp && [ "`find . -maxdepth 0
-perm -002`" = "." ]
/etc/init.d/bootclean.sh: rm -rf /tmp/.clean
/etc/init.d/bootclean.sh: :> /tmp/.clean
/etc/init.d/bootclean.sh: if [ -f /tmp/.clean ] && [ -f
/var/run/.clean ]
&&
/etc/init.d/bootclean.sh: [ -d /tmp ] && cleantmp
/etc/init.d/bootmisc.sh:rm -f /tmp/.clean /var/run/.clean
/var/lock/.clean
/etc/init.d/mountall.sh:# Clean /tmp, /var/lock, /var/run
/etc/init.d/mountnfs.sh:# Clean /tmp, /var/lock, /var/run
/etc/init.d/mountvirtfs:if [ -f /etc/default/tmpfs ]
/etc/init.d/mountvirtfs: . /etc/default/tmpfs
/etc/init.d/mountvirtfs:# max size using /etc/default/tmpfs to prevent
tmpfs from using
/etc/init.d/umountnfs.sh:rm -f /tmp/.clean /var/lock/.clean
/var/run/.clean
/etc/init.d/xorg-common:SOCKET_DIR=/tmp/.X11-unix
/etc/init.d/xorg-common:ICE_DIR=/tmp/.ICE-unix
>From "/etc/init.d/bootclean.sh":
10 cleantmp() {
11
12 [ -f /tmp/.clean ] && return
13
14 # Don't clean /tmp if TMPTIME < 0 or "infinite".
15 case "$TMPTIME" in
16 -*|infinite)
17 return
18 ;;
19 esac
My guess is that "/tmp" gets initialized/mounted by the init script in
"/etc/init.d/mountall.sh":
13 #
14 # Mount local file systems in /etc/fstab.
15 #
16 log_begin_msg "Mounting local filesystems..."
17 (
18 if mount -av -t
nonfs,nonfs4,nosmbfs,nocifs,noncp,noncpfs,nocoda,noo cfs2,nogfs;
then
19 log_end_msg 0
20 else
21 log_end_msg 1
22 fi
23 ) 2>&1 | egrep -v '(already|nothing was) mounted'
24
25 case `uname -s` in
26 *FreeBSD)
27 INITCTL=/etc/.initctl
28 ;;
29 *)
30 INITCTL=/dev/initctl
31 ;;
32 esac
----------------
Nitebirdz
http://www.sacredchaos.com/
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