| Current Path : /var/lib/dpkg/info/ |
| Current File : /var/lib/dpkg/info/ifupdown.postinst |
#!/bin/sh
set -e
MYNAME="${0##*/}"
report() { echo "${MYNAME}: $*" ; }
report_warn() { report "Warning: $*" >&2 ; }
report_err() { report "Error: $*" >&2 ; }
# Create /etc/network/run
if [ "$1" = configure -a ! -d /etc/network/run ]; then
if [ -e /etc/network/run -o -L /etc/network/run ]; then
echo "Renaming non-directory /etc/network/run to run.dpkg-old..."
mv /etc/network/run /etc/network/run.dpkg-old
fi
# The best choice is to use /dev/shm/network
#
# If we can't use that, we'll just make /etc/network/run a directory,
# unless we're upgrading, in which case we'll just keep ifstate where it
# is, by making /etc/network/run a symlink to /etc/network.
WHAT_TO_USE=devshm
if [ ! -d /dev/shm -o ! -w /dev/shm -o ! -r /proc/mounts ]; then
WHAT_TO_USE=owndir
elif ! grep -qs "^tmpfs[[:space:]]\+/dev/shm[[:space:]]\+tmpfs[[:space:]]\+\([^[:space:]]\+,\)\?rw" /proc/mounts
then
WHAT_TO_USE=owndir
elif grep -qs '[[:space:]]/dev[[:space:]]devfs[[:space:]]' /proc/mounts; then
WHAT_TO_USE=owndir
fi
# Check for available space if we are using devshm
if [ "$WHAT_TO_USE" = devshm ]; then
SPACE=`df -k /dev/shm | tail -1 | awk '{if ($4 ~ /%/) { print $3 } else { print $4 } }'`
if [ "$SPACE" -le 0 ]; then
WHAT_TO_USE=owndir
fi
fi
if [ "$WHAT_TO_USE" = owndir -a -e /etc/network/ifstate ]; then
WHAT_TO_USE=etcnetwork
fi
if [ "$WHAT_TO_USE" = devshm ]
then
[ -d /dev/shm/network ] || mkdir /dev/shm/network
ln -s /dev/shm/network /etc/network/run
elif [ "$WHAT_TO_USE" = "owndir" ]; then
mkdir /etc/network/run
else
ln -s . /etc/network/run
fi
fi
# Move /etc/network/ifstate to /etc/network/run/ifstate
if [ "$1" = configure -a "$2" != "" -a -e /etc/network/ifstate ] &&
dpkg --compare-versions "$2" lt "0.6.5"
then
if [ ! -e /etc/network/run/ifstate ] || ! diff /etc/network/ifstate /etc/network/run/ifstate >/dev/null
then
echo "Moving /etc/network/ifstate to /etc/network/run/ifstate"
if [ ! -L /etc/network/ifstate ]; then
mv /etc/network/ifstate /etc/network/run/ifstate
else
cat /etc/network/ifstate >/etc/network/run/ifstate
mv /etc/network/ifstate /etc/network/ifstate.dpkg-old
fi
fi
fi
if [ "$1" = "configure" -a "$2" != "" ] &&
dpkg --compare-versions "$2" le "0.6.4-4.1" &&
[ -f /etc/network/run/ifstate -a -x /sbin/dhclient ]
then
# for every active ifupdown-controlled dhclient interface, copy
# /var/run/dhclient.pid, so that the new ifdown is able to kill
# dhclient.
#
# the old version had a bug with more than one DHCP iface anyway,
# so we don't know which one the PID file actually belongs to.
sed -e 's/^.*=//' /etc/network/run/ifstate |
while read iface; do
# handle \<newline>-continued lines
if sed -e '/^[[:space:]]*#/b;:g /\\$/{N;s/\\\n//;bg;}' /etc/network/interfaces | grep -qe "^[[:space:]]*iface[[:space:]]*\\b${iface}\\b[[:space:]]*.*\\bdhcp\\b.*" &&
[ -f "/var/run/dhclient.pid" ] &&
[ ! -f "/var/run/dhclient.${iface}.pid" ]
then
# copy original file. If dhclient was started
# manually, one can still use dhclient.pid, if started
# by ifupdown, the new ifupdown can take it down with
# dhclient.${iface}.pid. Obsolete files are removed during
# next boot (bootmisc.sh).
cp /var/run/dhclient.pid "/var/run/dhclient.${iface}.pid"
fi
done
fi
# Generic stuff done on all configurations
if [ "$1" = "configure" ] ; then
if [ -f /etc/network/interfaces ] ; then
# TODO: This should be handled with debconf and the script
# could introduce the line there directly
if ! grep -q "^[[:space:]]*iface[[:space:]]\+lo[[:space:]]\+inet[[:space:]]\+loopback\>" /etc/network/interfaces ; then
report_warn "No 'iface lo' definition found in /etc/network/interfaces"
fi
if ! grep -q "^[[:space:]]*auto[[:space:]].*\<lo\>" /etc/network/interfaces ; then
report_warn "No 'auto lo' statement found in /etc/network/interfaces"
fi
else # ! -f /etc/network/interfaces
echo "Creating /etc/network/interfaces."
echo "# interfaces(5) file used by ifup(8) and ifdown(8)" > /etc/network/interfaces
echo "auto lo" >> /etc/network/interfaces
echo "iface lo inet loopback" >> /etc/network/interfaces
fi
fi
# Automatically added by dh_installinit
if [ -x "/etc/init.d/ifupdown-clean" ]; then
update-rc.d ifupdown-clean start 18 S . >/dev/null || exit $?
fi
# End automatically added section
# Automatically added by dh_installinit
if [ -x "/etc/init.d/ifupdown" ]; then
update-rc.d ifupdown start 39 S . start 36 0 6 . >/dev/null || exit $?
fi
# End automatically added section