CasperSecurity
| Current Path : /var/lib/dpkg/info/ |
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| Current File : /var/lib/dpkg/info/libc6:amd64.postinst |
#!/bin/sh
set -e
export LC_ALL=C
type=$1
preversion=$2
checkpkgver () {
local status pkg
pkg=$1
status=$(dpkg -s $pkg 2>/dev/null | grep ^Status: | sed -e 's/^Status: \(.*\) \(.*\) \(.*\)/\3/g')
if [ -n "$status" ] && [ "$status" != "not-installed" ] && [ "$status" != "config-files" ]; then
echo $(dpkg -s $pkg 2>/dev/null | grep ^Version: | sed -e 's/^Version: *//');
fi
}
if [ "$type" = "configure" ]
then
# /etc/ld.so.nohwcap code:
# Handle upgrades when libc-opt package has been installed.
# When a /etc/ld.so.nohwcap file exists, ld.so only use libraries
# from /lib, and ignore all optimised libraries. This file is
# inconditionaly created in the preinst script of libc.
# We check the version between the current installed libc and
# all optimized packages. Due to multiarch, this has to be done
# independently of the architecture of the package.
all_upgraded=yes
for pkg in libc6.1-alphaev67 libc6-xen ; do
ver=$(dpkg-query -l $pkg 2>/dev/null | sed -e '/^[a-z][a-z]\s/!d;/^.[nc]/d;' -e "s/^..\s\+$pkg[0-9a-z:]*\s\+//;s/\s.*//g")
if [ -n "$ver" ] && [ "$ver" != "2.35-0ubuntu3.13" ]; then
all_upgraded=no
fi
done
# If the versions of all optimized packages are the same as the libc
# one, we could remove /etc/ld.so.nohwcap. Otherwise, it will be removed
# when all optimized packages are upgraded or removed.
if [ "$all_upgraded" = yes ] ; then
rm -f "$DPKG_ROOT/etc/ld.so.nohwcap"
fi
fi
if [ "$type" = configure -a -z "$DPKG_ROOT" ]
then
# Load debconf module if available
if [ -f /usr/share/debconf/confmodule ] ; then
. /usr/share/debconf/confmodule
fi
if [ -n "$preversion" ] && [ -x "$(which ischroot)" ] && ! ischroot; then
if dpkg --compare-versions "$preversion" lt 2.35; then
check=""
[ -f /var/run/services.need_restart ] && check=$(sort -u /var/run/services.need_restart 2>/dev/null)
# Change service names back into package names, so that we can
# double-check package installation.
check=$(echo "$check" | \
sed -e's/\batd\b/at/g' \
-e's/\bdovecot\b/dovecot-common/g' \
-e's/\bexim4\b/exim4-base/g' \
-e's/\blpd\b/lpr/g' \
-e's/\blpd-ppd\b/lpr-ppd/g' \
-e's/\bmysql\b/mysql-server/g' \
-e's/\bsaslauthd\b/sasl2-bin/g' \
-e's/\bsmbd\b/samba/g' \
-e's/\bpostgresql\b/postgresql-common/g' \
)
# Check to see which of the services that were running at unpack
# time are still around
# the following substitution processes the check variable
# and returns results in the services variable
# NSS services check:
echo -n "Checking for services that may need to be restarted..."
# Only get the ones that are installed, of the same architecture
# as libc (or arch all) and configured
[ -n "$check" ] && check=$(dpkg-query -W -f='${binary:Package} ${Status} ${Architecture}\n' $check 2> /dev/null | \
grep -E "installed (all|${DPKG_MAINTSCRIPT_ARCH})$" | sed 's/[: ].*//')
# some init scripts don't match the package names
check=$(echo $check | \
sed -e's/\bat\b/atd/g' \
-e's/\bdovecot-common\b/dovecot/g' \
-e's/\bexim4-base\b/exim4/g' \
-e's/\blpr\b/lpd/g' \
-e's/\blpr-ppd\b/lpd-ppd/g' \
-e's/\bmysql-server\b/mysql/g' \
-e's/\bsasl2-bin\b/saslauthd/g' \
-e's/\bsamba\b/smbd/g' \
-e's/\bpostgresql-common\b/postgresql/g' \
)
echo
echo "Checking init scripts..."
for service in $check; do
invoke-rc.d ${service} status >/dev/null 2>/dev/null && status=0 || status=$?
if [ "$status" = "0" ] || [ "$status" = "2" ] ; then
services="$service $services"
elif [ "$status" = "100" ] ; then
echo "WARNING: init script for $service not found."
fi
done
# If there are services that we *stopped* in the preinst, don't
# forget to restart them now
if [ -e /var/run/services.need_start ]; then
services="$(sort -u /var/run/services.need_start) $services"
fi
if [ -n "$services" ]; then
echo "Restarting services possibly affected by the upgrade:"
failed=""
for service in $services; do
case "$service" in
gdm*)
idlopt="reload"
;;
*)
idlopt="restart"
;;
esac
echo -n " $service: restarting..."
if invoke-rc.d ${service} $idlopt > /dev/null 2>&1; then
echo "done."
else
echo "FAILED! ($?)"
failed="$service $failed"
fi
done
echo
if [ -n "$failed" ]; then
if [ -f /usr/share/debconf/confmodule ] ; then
db_fset glibc/restart-failed seen false
db_subst glibc/restart-failed services "$failed"
if [ "$RELEASE_UPGRADE_MODE" = desktop ]; then
db_input medium glibc/restart-failed || true
else
db_input critical glibc/restart-failed || true
fi
db_go || true
else
echo "The following services failed to start: $failed"
echo
echo "You will need to start these manually by running \`invoke-rc.d <service> start'"
echo "If the service still fails to start, you may need to file a bug on"
echo "${DPKG_MAINTSCRIPT_PACKAGE}:${DPKG_MAINTSCRIPT_ARCH} or the service involved."
frontend=`echo "$DEBIAN_FRONTEND" | tr '[:upper:]' '[:lower:]'`
if [ "$frontend" != noninteractive ]; then
echo
echo -n "Press ENTER to continue: "
read foo
fi
fi
else
echo "Services restarted successfully."
rm -f /var/run/services.need_start /var/run/services.need_restart
fi
# Shut down the frontend, to make sure none of the
# restarted services keep a connection open to it
if [ -f /usr/share/debconf/confmodule ] ; then
db_stop
fi
else
echo "Nothing to restart."
fi
fi # end upgrading and $preversion lt 2.35
# give a reboot notification on al upgrades (LP: #1546457)
if [ -x /usr/share/update-notifier/notify-reboot-required ]; then
/usr/share/update-notifier/notify-reboot-required
fi
fi # Upgrading
# Restart init. Currently handles chroots, systemd and upstart, and
# assumes anything else is going to not fail at behaving like
# sysvinit:
TELINIT=yes
if ischroot 2>/dev/null; then
# Don't bother trying to re-exec init from a chroot:
TELINIT=no
elif [ -d /run/systemd/system ]; then
# Restart systemd on upgrade, but carefully.
# The restart is wanted because of LP: #1942276
# The care is needed because of https://bugs.debian.org/753725
# (if systemd --help fails the system might still be quite broken but
# that seems better than the kernel panic that results if systemd
# cannot reexec itself).
TELINIT=no
if systemd --help >/dev/null 2>/dev/null; then
systemctl daemon-reexec
else
echo "Error: Could not restart systemd, systemd binary not working" >&2
fi
elif [ -x "`which initctl`" ]; then
UPSTART=$(initctl version 2>/dev/null | awk '/upstart/ {print $3}' | tr -d ')')
if dpkg --compare-versions "$UPSTART" lt-nl 1.6.1; then
# This is an old upstart that can't re-exec statefully:
TELINIT=no
touch /var/run/init.upgraded
fi
fi
if [ "$TELINIT" = "yes" ]; then
telinit u 2>/dev/null || true ; sleep 1
fi
fi
exit 0