postinst is in dovecot-core 1:2.0.19-0ubuntu2.1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | #!/bin/sh
set -e
if [ "$1" = "configure" ]; then
CONFFILES="dovecot.conf \
dovecot-db.conf.ext \
dovecot-dict-sql.conf.ext \
dovecot-sql.conf.ext \
conf.d/10-auth.conf \
conf.d/10-director.conf \
conf.d/10-logging.conf \
conf.d/10-mail.conf \
conf.d/10-master.conf \
conf.d/10-ssl.conf \
conf.d/15-lda.conf \
conf.d/90-acl.conf \
conf.d/90-plugin.conf \
conf.d/90-quota.conf \
conf.d/auth-deny.conf.ext \
conf.d/auth-master.conf.ext \
conf.d/auth-passwdfile.conf.ext \
conf.d/auth-static.conf.ext \
conf.d/auth-system.conf.ext \
conf.d/auth-vpopmail.conf.ext"
OLD_CONFFILES="dovecot-ldap.conf \
dovecot-sql.conf \
protocols.conf \
dovecot-ldap.conf.ext \
conf.d/20-imap.conf \
conf.d/20-lmtp.conf \
conf.d/20-managesieve.conf \
conf.d/20-pop3.conf \
conf.d/90-sieve.conf \
conf.d/auth-ldap.conf.ext"
OLD_DPKG_CONFFILES="/etc/cron.daily/dovecot \
/etc/dovecot/dovecot-dict-sql-example.conf \
/etc/dovecot/dovecot-db-example.conf"
# purge old dpkg handled conffiles (we can't use dpkg-maintscript-helper because package rename)
for conffile in $OLD_DPKG_CONFFILES ; do
[ -e "$conffile" ] || continue
confmd5="$(md5sum $conffile | awk '{print $1}')"
dpkgmd5="$(dpkg-query -W -f='${Conffiles}' $PKGNAME | sed -n -e "\' $conffile ' { s/ obsolete$//; s/.* //; p }")"
if [ "$confmd5" != "$dpkgmd5" ]; then
echo "Obsolete conffile $conffile has been modified by you."
echo "Saving as $conffile.dpkg-bak ..."
mv -f "$conffile" "$conffile".dpkg-bak
else
echo "Removing obsolete conffile $conffile ..."
rm -f "$conffile"
fi
done
# purge old ucf handled conffiles
for conffile in $OLD_CONFFILES ; do
if ucfq "/etc/dovecot/${conffile}" --with-colons | grep -q "^/etc/dovecot/${conffile}:dovecot-common:"; then
if ucfq --with-colons "/etc/dovecot/${conffile}" | grep -q ":Yes:No"; then
rm -f "/etc/dovecot/${conffile}"
fi
ucf --purge /etc/dovecot/$conffile
ucfr --purge dovecot-common /etc/dovecot/$conffile
for ext in '~' '%' .bak .dpkg-tmp .dpkg-new .dpkg-old .dpkg-dist .ucf-new .ucf-old .ucf-dist; do
rm -f /etc/dovecot/$conffile$ext
done
fi
done
# if we are upgrading from dovecot-common take the ownership of configuration files
for conffile in $(ucfq dovecot-common --with-colons | cut -f 1 -d :); do
ucfr --force dovecot-core $conffile
if [ "$conffile" = "/etc/dovecot/dovecot.conf" ]; then
# avoid ucf question if the only difference is at the "protocols" line
confmd5=$(sed 's/^protocols.*/protocols = none/' "$conffile" | md5sum | awk '{print $1}')
ucfmd5=$(cat /var/lib/ucf/hashfile | grep "$conffile" | awk '{print $1}')
if [ "$confmd5" = "$ucfmd5" ]; then
sed -i 's/^protocols.*/protocols = none/' "$conffile"
fi
# remove old configuration bakup generated by postinst
rm -f $conffile.bak
fi
done
## Users
#
if [ -z "`id -u dovecot 2> /dev/null`" ]; then
adduser --system --group --home /usr/lib/dovecot --gecos "Dovecot mail server" \
--no-create-home --disabled-password --quiet dovecot || true
fi
if [ -z "`id -u dovenull 2> /dev/null`" ]; then
adduser --system --home /nonexistent --no-create-home --gecos "Dovecot login user" \
--disabled-password --quiet dovenull || true
fi
for conffile in $CONFFILES ; do
# Tell ucf that the file in /usr/share/dovecot is the latest
# maintainer version, and let it handle how to manage the real
# configuration file in /etc/dovecot.
ucf --three-way /usr/share/dovecot/$conffile /etc/dovecot/$conffile
ucfr dovecot-core /etc/dovecot/$conffile
if [ "$conffile" != "dovecot.conf" ] && [ -f "/etc/dovecot/$conffile" ] &&
[ `echo $conffile | cut -b -7` != "conf.d/" ]; then
chmod 0640 /etc/dovecot/$conffile
chgrp dovecot /etc/dovecot/$conffile
fi
done
if [ -n "`id -u imapd 2> /dev/null`" ]; then
deluser imapd || true
delgroup imapd || true
fi
## SSL Certs
# Certs and key file
SSL_CERT=$( (grep -m 1 "ssl_cert_file" /etc/dovecot/conf.d/10-ssl.conf || echo '/etc/ssl/certs/dovecot.pem') | cut -d'=' -f2)
SSL_KEY=$( (grep -m 1 "ssl_key_file" /etc/dovecot/conf.d/10-ssl.conf || echo '/etc/ssl/private/dovecot.pem') | cut -d'=' -f2)
# Generate new certs if needed
if [ -e $SSL_CERT ] && [ -e $SSL_KEY ]; then
echo "You already have ssl certs for dovecot."
else
echo "Creating generic self-signed certificate: $SSL_CERT"
echo "This certificate will expire in a year."
echo "(replace with hand-crafted or authorized one if needed)."
cd /etc/ssl/certs
PATH=$PATH:/usr/bin/ssl
if ! FQDN="$(hostname -f)"; then
FQDN="$(hostname)"
echo WARNING: Could not get FQDN, using \"$FQDN\".
fi
MAILNAME="$(cat /etc/mailname 2> /dev/null || echo "$FQDN")"
(openssl req -newkey rsa:2048 -x509 -days 3652.5 -nodes \
-rand /dev/urandom -out $SSL_CERT -keyout $SSL_KEY > /dev/null 2>&1 <<+
.
.
.
Dovecot mail server
$FQDN
$FQDN
root@$MAILNAME
+
) || echo "Warning : Bad SSL config, can't generate certificate."
fi
ucfr dovecot-core $SSL_CERT
ucfr dovecot-core $SSL_KEY
if [ ! -h $SSL_CERT ] && [ ! -h $SSL_KEY ]; then
chown root:dovecot $SSL_CERT || true
chmod 0644 $SSL_CERT || true
chown root:dovecot $SSL_KEY || true
chmod 0600 $SSL_KEY || true
fi
fi
# Automatically added by dh_installinit
if [ -e "/etc/init/dovecot.conf" ]; then
invoke-rc.d dovecot start || exit $?
fi
# End automatically added section
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