postinst is in sasl2-bin 2.1.27~101-g0780600+dfsg-3ubuntu2.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | #!/bin/sh
# postinst script for sasl2-bin
# Copyright (c) 2006 Fabian Fagerholm
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
set -e
FALLBACK_RUN_DIR=/var/run/saslauthd
SASLDB_FILE=/etc/sasldb2
# Debconf hook.
. /usr/share/debconf/confmodule
case "$1" in
configure)
# Upgrade SASL database if needed
# The libdb dependency was updated in the following versions:
# 2.1.22.dfsg1-14 (db4.2 -> db4.4)
# 2.1.22.dfsg1-17 (db4.4 -> db4.6)
# 2.1.22.dfsg1-24 (db4.6 -> db4.7)
# 2.1.23.dfsg1-4 (db4.7 -> db4.8)
# 2.1.23.dfsg1-8 (db4.8 -> db5.1)
if [ -r /usr/lib/sasl2/berkeley_db.active ]; then
OLD_BDB=$(cat /usr/lib/sasl2/berkeley_db.active)
else
if dpkg --compare-versions "$2" "lt-nl" 2.1.23.dfsg1-4; then
OLD_BDB=4.7
elif dpkg --compare-versions "$2" "lt-nl" 2.1.23.dfsg1-9; then
OLD_BDB=4.8
fi
fi
# Read the compiled-in Berkeley DB version
NEW_BDB=$(cat /usr/lib/sasl2/berkeley_db.txt)
if [ "$OLD_BDB" != "$NEW_BDB" ]; then
if [ -e $SASLDB_FILE ]; then
# The database exists and has users, begin upgrade procedure
#
# Well, this code doesn't break anything, but since Cyrus SASL
# doesn't use transactional environment and the database format
# was not changed since db3 it also doesn't do anything at all
# Make backup and handle errors
db_get cyrus-sasl2/backup-sasldb2
if ! cp --archive $SASLDB_FILE "$RET" >/dev/null 2>&1; then
db_input high cyrus-sasl2/upgrade-sasldb2-backup-failed || true
db_go || true
exit 1
fi
# Upgrade SASL database and handle errors
if ! db${NEW_BDB}_upgrade $SASLDB_FILE >/dev/null 2>&1; then
db_input high cyrus-sasl2/upgrade-sasldb2-failed || true
db_go || true
cp --archive "$RET" $SASLDB_FILE >/dev/null 2>&1
exit 1
fi
fi
# Note the active Berkeley DB version
cp -f /usr/lib/sasl2/berkeley_db.txt /usr/lib/sasl2/berkeley_db.active
fi
# Create a statoverride for the default saslauthd run directory,
# unless one already exists
if ! dpkg-statoverride --list $FALLBACK_RUN_DIR >/dev/null 2>&1; then
install -d --owner="root" --group="sasl" --mode="710" \
$FALLBACK_RUN_DIR
dpkg-statoverride --update --add root sasl 710 $FALLBACK_RUN_DIR
fi
# Create an empty sasldb file, unless one already exists
if [ ! -e $SASLDB_FILE ]; then
echo '!' | saslpasswd2 -c 'no:such:user'
saslpasswd2 -d 'no:such:user'
fi
# Create a statoverride for the sasldb file, unless one already exists
if ! dpkg-statoverride --list $SASLDB_FILE >/dev/null 2>&1; then
dpkg-statoverride --update --add root sasl 660 $SASLDB_FILE
fi
# In 2.1.23.dfsg1-4 and later versions, saslauthd is no longer
# explicitly stopped on shutdown and reboot.
if dpkg --compare-versions "$2" lt "2.1.23.dfsg1-4"; then
rm -f /etc/rc0.d/K20saslauthd /etc/rc6.d/K20saslauthd
fi
db_stop
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument $1" >&2
exit 0
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
# Automatically added by dh_installinit/11.1.4ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
if [ -x "/etc/init.d/saslauthd" ]; then
update-rc.d saslauthd defaults >/dev/null
invoke-rc.d saslauthd start || exit 1
fi
fi
# End automatically added section
exit 0
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