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#!/bin/sh
set -e
nmbd_error_handler() {
if [ -d /sys/class/net/lo ] && ls /sys/class/net | grep -qv ^lo$; then
# https://bugs.debian.org/893762
echo 'WARNING: nmbd failed to start as there is no non-loopback interfaces available.'
echo 'Either add an interface or set "disable netbios = yes" in smb.conf'
return 0
elif command -v ip > /dev/null && ip a show | grep '^[[:space:]]*inet ' | grep -vq ' lo$'; then
# https://bugs.debian.org/859526
echo 'WARNING: nmbd failed to start as there is no local IPv4 non-loopback interfaces available.'
echo 'Either add an IPv4 address or set "disable netbios = yes" in smb.conf'
return 0
else
echo 'ERROR: nmbd failed to start.'
return 1 # caught by set -e
fi
}
# We generate several files during the postinst, and we don't want
# them to be readable only by root.
umask 022
if [ configure = "$1" -a -z "$2" ] # only do this if not upgrading
then
# add the sambashare group; --force: ok if group already exist
groupadd --force --system sambashare
dir=/var/lib/samba/usershares
[ -d $dir ] || install -d -m 1770 -g sambashare $dir
fi
# in 4.17.4+dfsg-3 we stopped masking services, unmask them here
if [ configure = "$1" ] && dpkg --compare-versions "$2" lt-nl 2:4.17.4+dfsg-3~
then
for s in nmbd smbd samba-ad-dc; do
if [ /dev/null = $(realpath /etc/systemd/system/$s.service) ]
then
rm -f /etc/systemd/system/$s.service
fi
done
fi
# remove old spool directory (point it to /var/tmp if in use)
if [ configure = "$1" ] && dpkg --compare-versions "$2" lt-nl 2:4.17.4+dfsg-3~
then
dir=/var/spool/samba
pat="^(\\s*path\\s*=\\s*)$dir"
if grep -q -E "$pat\\s*$" /etc/samba/smb.conf ; then
echo "WARNING: fixing smb.conf, replacing $dir with /var/tmp" >&2
sed -ri "s|$pat\\s*$|\\1/var/tmp|" /etc/samba/smb.conf
fi
if [ -d $dir -a ! -L $dir ]; then
echo "W: removing old samba print spool $dir" >&2
rm -rf $dir
fi
# we can still have it in an include file (or have a subdir there?)
if testparm -s 2>/dev/null | grep -E "$pat\\b" >&2; then
echo "WARNING: $dir is still referenced in smb.conf. Please update smb.conf" >&2
if [ ! -L $dir ]; then
echo "WARNING: redirecting $dir to /var/tmp" >&2
ln -s ../tmp $dir
fi
fi
fi
#DEBHELPER#
# remove msg.sock/ directory (moved to /run/samba/)
dir=/var/lib/samba/private/msg.sock
if [ -d $dir -a configure = "$1" ] &&
dpkg --compare-versions "$2" lt-nl 2:4.16.0+dfsg-7~
then
rm -f $dir/*
rmdir $dir
fi
exit 0
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