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#!/bin/sh
set -e
. /usr/share/debconf/confmodule
if [ -n "$EX4DEBUG" ]; then
echo "now debugging $0 $@"
set -x
fi
db_version 2.0
case "$1" in
configure)
if ! getent passwd Debian-exim > /dev/null ; then
echo 'Adding system-user for exim (v4)' 1>&2
adduser --system --group --quiet --home /var/spool/exim4 \
--no-create-home --disabled-login --force-badname Debian-exim
fi
# Create directories for log etc
# install also fixes permissions.
install -d -oDebian-exim -gadm -m2750 /var/log/exim4
install -d -oDebian-exim -gDebian-exim -m750 /var/run/exim4
install -d -oDebian-exim -gDebian-exim -m750 /var/spool/exim4
install -d -oDebian-exim -gDebian-exim -m750 /var/spool/exim4/db \
/var/spool/exim4/input /var/spool/exim4/msglog
# Make sure that db files are owned by Debian-exim:Debian-exim
find /var/spool/exim4/db/ -type f -print0 |\
xargs -0 -r chown Debian-exim:Debian-exim
# fix permissions on upgrades
if dpkg --compare-versions "$2" le "4.30-1" ; then
find /var/log/exim4 /var/spool/exim4 -group mail \
\( -type f -or -type d \) -print0 | \
xargs -0r chgrp Debian-exim
find /var/log/exim4 /var/spool/exim4 -user mail \
\( -type f -or -type d \) -print0 | \
xargs -0r chown Debian-exim
fi
# zap gnutls-params if old-format binary file is found or
# file(1) is not installed. Since exim had its RSA_EXPORT
# capability removed, it cannot read the binary file any more.
GNUTLS_PARAMS="/var/spool/exim4/gnutls-params"
if [ -e "$GNUTLS_PARAMS" ] && \
command -v file >/dev/null && \
[ -x "$(command -v file)" ]; then
if [ "$(file --brief --mime $GNUTLS_PARAMS)" != \
"text/plain; charset=us-ascii" ]; then
# old format gnutls-params
rm -f $GNUTLS_PARAMS
fi
else
# no file(1) in path, zap gnutls-params just to be sure
rm -f $GNUTLS_PARAMS
fi
# Paranoia check: On upgrades from db3-versions throw away hints
# databases.
if dpkg --compare-versions "$2" '<=' "4.61-1" ; then
rm -f /var/spool/exim4/db/misc-* /var/spool/exim4/db/wait-* \
/var/spool/exim4/db/callout* \
/var/spool/exim4/db/retry* \
/var/spool/exim4/db/__db.retry \
/var/spool/exim4/db/__db.misc \
/var/spool/exim4/db/__db.callout \
/var/spool/exim4/db/__db.wait*
fi
# Check that db files are readable by this Exim's db library
dbfiles=""
for f in /var/spool/exim4/db/misc-* /var/spool/exim4/db/wait-* \
/var/spool/exim4/db/callout* /var/spool/exim4/db/retry*; do
if [ -f "$f" ]; then
if echo $f | grep \.lockfile\$ >/dev/null 2>&1; then
: # ignore lock files
else
dbfiles="$dbfiles `basename $f`"
fi
fi
done
for dbfile in $dbfiles; do
if exim_dumpdb /var/spool/exim4 $dbfile >/dev/null 2>&1; then
: # File OK
else
echo "Resetting invalid $dbfile hints db"
rm -f /var/spool/exim4/db/$dbfile /var/spool/exim4/db/$dbfile.*
fi
done
if [ -x "/etc/init.d/exim4" ]; then
update-rc.d exim4 defaults >/dev/null
fi
if [ -d /var/spool/exim/input ] ; then
# With "head -n 1" this shouldn't be expensive.
oldmails=`find /var/spool/exim/input/ -type f -print | head -n 1`
fi
if [ "x${oldmails}" != "x" ] ; then
RET=""
db_get exim4/move_exim3_spool
dc_move_exim3_spool="$RET"
if [ "x${dc_move_exim3_spool}" = "xtrue" ] ; then
find /var/spool/exim/input/ -type f -print0 |\
xargs -0r mv --target-directory=/var/spool/exim4/input
find /var/spool/exim4/input -type f -print0 |\
xargs -0r chown Debian-exim:Debian-exim
fi
fi
# honor dpkg-statoverride settings for files not managed with dpkg
for pat in /var/\*/exim4 /var/\*/exim4/\*; do
[ $EX4DEBUG ] && eval echo "evaluate statoverride $pat"
eval dpkg-statoverride --list $pat | while read USER GROUP MODE FILE; do
[ $EX4DEBUG ] && echo "statoverride $USER $GROUP $MODE $FILE"
chown ${USER}:${GROUP} $FILE
chmod $MODE $FILE
done
done
;;
esac
#DEBHELPER#
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