2 # postinst script for spamassassin-cn
4 # see: dh_installdeb(1)
8 # summary of how this script can be called:
9 # * <postinst> `configure' <most-recently-configured-version>
10 # * <old-postinst> `abort-upgrade' <new version>
11 # * <conflictor's-postinst> `abort-remove' `in-favour' <package>
13 # * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
14 # <failed-install-package> <version> `removing'
15 # <conflicting-package> <version>
16 # for details, see http://www.debian.org/doc/debian-policy/ or
17 # the debian-policy package
21 configure|reconfigure)
31 . /usr/share/carnet-tools/functions.sh
34 . /usr/share/debconf/confmodule
39 # clean up old debconf questions that are no longer in this package
40 if dpkg --compare-versions "$2" lt "2:3.1.7-4"; then
41 db_unregister spamassassin-cn/usedcc || true
44 db_get spamassassin-cn/usebayes || true
47 db_get spamassassin-cn/userazor2 || true
50 db_get spamassassin-cn/runservice || true
53 db_get spamassassin-cn/runasuser || true
58 # run spamd service as non-root
59 if [ "$run_as_user" = "non-root" ]; then
60 if ! grep -q '^OPTIONS=".*username=spamd"' \
61 /etc/default/spamassassin; then
62 if [ -x /usr/sbin/invoke-rc.d ]; then
63 invoke-rc.d --quiet spamassassin stop
65 /etc/init.d/spamassassin stop
70 if ! getent group spamd >/dev/null 2>&1; then
71 echo "CN: Adding group spamd"
72 addgroup --system spamd >/dev/null 2>&1
74 if ! getent passwd spamd >/dev/null 2>&1; then
75 echo "CN: Adding user spamd"
76 adduser --system --no-create-home --home /etc/spamassassin \
77 --gecos "SpamAssassin User" \
78 --ingroup spamd --disabled-password spamd >/dev/null 2>&1
81 if [ ! -d "/var/run/spamd" ]; then
85 chown -R spamd:spamd /var/run/spamd/
86 dpkg-statoverride --remove /var/run/spamd >/dev/null 2>&1 || true
87 dpkg-statoverride --update --add spamd spamd 755 /var/run/spamd \
88 >/dev/null 2>&1 || true
90 # nope, run spamd as root
91 elif [ "$run_as_user" = "root" ]; then
92 if grep -q '^OPTIONS=".*username=spamd"' \
93 /etc/default/spamassassin; then
94 if [ -x /usr/sbin/invoke-rc.d ]; then
95 invoke-rc.d --quiet spamassassin stop
97 /etc/init.d/spamassassin stop
102 if [ -d "/var/run/spamd" ]; then
103 rm -rf /var/run/spamd
105 dpkg-statoverride --remove /var/run/spamd >/dev/null 2>&1 || true
108 examdir="/usr/share/doc/spamassassin-cn/examples"
109 confdir="/etc/spamassassin"
111 # check and replace local.cf if needed
112 if [ -f $examdir/local.cf ]; then
113 # non-existant or zero
114 if [ ! -s $confdir/local.cf ]; then
115 rm -f $confdir/local.cf
119 if [ -s $confdir/local.cf ] &&
120 dpkg --compare-versions "$2" lt "2:3.2.5-4"; then
121 echo "CN: Backing up old version of $confdir/local.cf in /var/backups"
122 cp_backup_conffile $confdir/local.cf
123 rm -f $confdir/local.cf
127 cp -f $examdir/local.cf $confdir/local.cf.$$
129 # merge both configurations
130 if [ -s $confdir/local.cf ]; then
131 #cat $confdir/local.cf > $confdir/local.cf.$$
133 # merge old and new in one conf, primarily respecting old
139 open (NEW, "<", $ARGV[0]);
143 if (/^(\S+)\s+(.+)$/o)
145 my ($key, $value) = ($1, $2);
146 $hash{$key} = $value;
151 # read old configuration
152 open (OLD, "<", $ARGV[1]);
156 if (/^(\S+)\s+(.+)$/o)
158 my ($key, $value) = ($1, $2);
159 delete($hash{$key}) if exists($hash{$key});
168 # print missing configuration lines
171 print $_, " ", $hash{$_}, "\n";
175 perl -e "$script" $confdir/local.cf.$$ $confdir/local.cf > \
176 $confdir/local.cf.$$.$$ && \
177 mv -f $confdir/local.cf.$$.$$ $confdir/local.cf.$$
179 rm -f $confdir/local.cf.$$.$$
182 # set bayes/razor2 in local.cf.$$
183 for i in bayes razor2; do
185 use_value=$(eval echo \$$use_name)
186 if [ "$use_value" = "true" ]; then
191 cp_check_and_sed "^$use_name " \
192 "s/^$use_name .*/$use_name $use_value/g" \
193 $confdir/local.cf.$$ || true
196 # remove obsolete options from old SA
197 egrep -v '^(bayes_use_chi2_combining|ok_languages|use_pyzor|pyzor_|use_dcc|dcc_)' \
198 $confdir/local.cf.$$ > $confdir/local.cf.$$.$$ && \
199 mv -f $confdir/local.cf.$$.$$ $confdir/local.cf.$$
200 rm -f $confdir/local.cf.$$.$$
202 # calculate trusted networks
203 cp_get_netaddr || true
205 # ... get already configured trusted networks
206 trusted_networks=$(awk '/^trusted_networks/ { print $2 }' \
207 $confdir/local.cf.$$)
208 # ... merge with local networks configured on eth interfaces
209 for i in $netaddr; do
210 if ! echo "$trusted_networks" | grep -q "$i"; then
211 trusted_networks="$trusted_networks $i"
214 # ... strip 127/8 range
215 for i in $trusted_networks; do
216 if ! echo "$i" | grep -q "127.0.0.0/8"; then
217 trusted_networks_clean="$trusted_networks_clean $i"
220 trusted_networks_clean=$(echo "$trusted_networks_clean" \
221 | sed 's/^[ \t]*//;s/[ \t]*$//')
222 # ... and replace if non-zero
223 if [ ! -z "$trusted_networks_clean" ]; then
224 trusted_networks=$trusted_networks_clean
226 cp_check_and_sed "^trusted_networks " \
227 "s#^trusted_networks .*#trusted_networks $trusted_networks#g" \
228 $confdir/local.cf.$$ || true
229 echo "CN: Activated $trusted_networks as trusted networks"
231 # different than template
232 if ! cmp -s $confdir/local.cf.$$ $confdir/local.cf; then
233 # backup if not zero size
234 if [ -s $confdir/local.cf ]; then
235 echo "CN: Backing up old version of $confdir/local.cf in /var/backups"
236 cp_backup_conffile $confdir/local.cf
239 echo "CN: Installing new version of $confdir/local.cf"
240 mv -f $confdir/local.cf.$$ $confdir/local.cf
245 rm -f $confdir/local.cf.$$
248 # enable/disable plugins in SA
249 list=$(find /etc/spamassassin -type f -name 'v*.pre')
253 plugin="loadplugin Mail::SpamAssassin::Plugin::DKIM"
254 cp_check_and_sed "^.*#.*$plugin.*$" \
255 "s/^.*#.*$plugin.*$/$plugin/g" $i.$$ || true
256 if ! cmp -s $i.$$ $i; then
263 plugin="loadplugin Mail::SpamAssassin::Plugin::Pyzor"
264 cp_check_and_sed "^$plugin.*$" \
265 "s/^$plugin.*$/#$plugin/g" $i.$$ || true
266 if ! cmp -s $i.$$ $i; then
273 plugin="loadplugin Mail::SpamAssassin::Plugin::DCC"
274 cp_check_and_sed "^$plugin.*$" \
275 "s/^$plugin.*$/#$plugin/g" $i.$$ || true
276 if ! cmp -s $i.$$ $i; then
282 # check and replace /etc/default/spamasassin if needed
283 if [ "$run_service" = "true" -a \
284 -f $examdir/etc-default-spamassassin-$run_as_user ]; then
285 if ! cmp -s $examdir/etc-default-spamassassin-$run_as_user \
286 /etc/default/spamassassin; then
287 echo "CN: Backing up old version of /etc/default/spamassassin in /var/backups"
288 cp_backup_conffile /etc/default/spamassassin
290 echo "CN: Installing new version of /etc/default/spamassassin"
291 cp -pf $examdir/etc-default-spamassassin-$run_as_user \
292 /etc/default/spamassassin
298 # do we run spamd at all?
299 if [ "$run_service" = "true" ]; then
305 # enable or disable spamd in /etc/default/spamassassin
306 if [ -f "/etc/default/spamassassin" ]; then
307 cp_check_and_sed '^ENABLED=' \
308 "s/^ENABLED=.*/ENABLED=$i_run_service/g" \
309 /etc/default/spamassassin || true
310 if [ "$run_service" = "true" ]; then
311 echo "CN: Will start spamd by default"
313 echo "CN: Will not start spamd by default"
318 # fix old /razor-agent.log bug
319 if [ -f "/razor-agent.log" ]; then
320 mv -f /razor-agent.log /tmp
321 echo "CN: Moving razor logs (razor-agent.log) to /tmp"
324 # fix razor agent position
325 if [ -f "/etc/razor/razor-agent.conf" ]; then
326 cp_check_and_sed '^.*logfile.*=' \
327 "s,^.*logfile.*=.*,logfile=sys-syslog,g" \
328 /etc/razor/razor-agent.conf || true
333 if getent passwd amavis >/dev/null 2>&1; then
334 AWL=~amavis/.spamassassin/auto-whitelist
336 echo "CN: Cleaning the Amavis auto-whitelist"
337 su -c '/usr/bin/check_whitelist --clean' - amavis >/dev/null 2>&1 \
340 # see if size is still unacceptable
341 SIZE=$(du -ks $AWL | awk '{print $1}')
342 if [ $SIZE -ge 51200 ]; then
343 echo "CN: Size of AWL database > 50MB, doing full cleanup"
350 echo "CN: Importing SpamAssassin and SARE public PGP keys"
351 echo "$(date +'%d-%m-%Y %T'): Importing new SA keys..." >> \
352 /var/log/sa-update.log
353 if [ ! -d /etc/spamassassin/sa-update-keys ]; then
354 mkdir -p /etc/spamassassin/sa-update-keys
355 touch /etc/spamassassin/sa-update-keys/pubring.gpg \
356 /etc/spamassassin/sa-update-keys/secring.gpg
357 chmod -R go-rwx /etc/spamassassin/sa-update-keys
359 sa-update --import /etc/spamassassin/sa-keys.pgp \
360 >>/var/log/sa-update.log 2>&1 || true
362 # clean old RulesDuJour rules
363 echo "CN: Cleaning old RulesDuJour and SARE rules..."
364 rm -rf /etc/spamassassin/*_sare_*.cf /etc/spamassassin/RulesDuJour
365 echo "CN: Please use /etc/spamassassin/sa-update.channels in future!"
367 # get/update the rules
368 echo "CN: Downloading new SpamAssassin rules and updating in background"
369 echo "$(date +'%d-%m-%Y %T'): Fetching new SA rules..." >> \
370 /var/log/sa-update.log
372 --channelfile /etc/spamassassin/sa-update.channels \
375 --gpgkey BDE9DC10 >>/var/log/sa-update.log 2>&1 || true
376 echo "CN: SpamAssassin updates are now logged at /var/log/sa-update.log"
378 # restart the spamasassin
379 if [ "x$restart" = "xyes" ]; then
380 if [ -x /usr/sbin/invoke-rc.d ]; then
381 pkill -f /usr/sbin/spamd || true
382 invoke-rc.d --quiet spamassassin restart
384 /etc/init.d/spamassassin restart
389 if [ "x$restart" = "xyes" -a -x /etc/init.d/amavis ]; then
390 if [ -x /usr/sbin/invoke-rc.d ]; then
391 invoke-rc.d --quiet amavis restart
393 /etc/init.d/amavis restart
397 # dh_installdeb will replace this with shell code automatically
398 # generated by other debhelper scripts.