debian/postinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 [ "$1" = "configure" ] || exit 0
   6 [ "$DEBIAN_SCRIPT_DEBUG" ] && set -vx
   7
   8 # Load CARNET Tools
   9 . /usr/share/carnet-tools/functions.sh
  10
  11 # Load Debconf
  12 . /usr/share/debconf/confmodule
  13
  14 db_get postfix-cn/rbl || true
  15 rbl="$RET"
  16
  17 # Tue, 19 Dec 2006 10:31:01 +0100
  18 # relays.ordb.org se gasi 2006-12-31
  19 if echo $rbl | grep -q relays.ordb.org; then
  20   rbl="`echo $rbl | sed 's/relays.ordb.org, //g'`"
  21   # za svaki slucaj, ako je na kraju
  22   rbl="`echo $rbl | sed 's/relays.ordb.org//g'`"
  23   db_set postfix-cn/rbl "$rbl" || true
  24 fi
  25
  26 # Thu, 21 Dec 2006 09:03:50 +0100
  27 # opm.blitzed.org je ugasen 2006-05
  28 if echo $rbl | grep -q opm.blitzed.org; then
  29   rbl="`echo $rbl | sed 's/opm.blitzed.org, //g'`"
  30   # za svaki slucaj, ako je na kraju
  31   rbl="`echo $rbl | sed 's/opm.blitzed.org//g'`"
  32   db_set postfix-cn/rbl "$rbl" || true
  33 fi
  34
  35 # Wed, 12 Jun 2013 15:15:28 +0200
  36 # dnsbl.njabl.org je ugasen 2013-03
  37 if echo $rbl | grep -q dnsbl.njabl.org; then
  38   rbl="`echo $rbl | sed 's/dnsbl.njabl.org, //g'`"
  39   # za svaki slucaj, ako je na kraju
  40   rbl="`echo $rbl | sed 's/dnsbl.njabl.org//g'`"
  41   db_set postfix-cn/rbl "$rbl" || true
  42 fi
  43
  44 # zelja, 2021-04-29
  45 # ako je spamhaus.org ovdje, postavi eta.cert.hr, a sam
  46 # spamhaus je nepotreban, jer imamo zen.dnsbl-sh.carnet.hr
  47 if echo $rbl | grep -q zen.spamhaus.org; then
  48   rbl="`echo $rbl | sed 's/zen.spamhaus.org, /eta.cert.hr, /g'`"
  49   # za svaki slucaj, ako je na kraju
  50   rbl="`echo $rbl | sed 's/zen.spamhaus.org/eta.cert.hr/g'`"
  51   db_set postfix-cn/rbl "$rbl" || true
  52 fi
  53
  54 db_get postfix-cn/matchgecos || true
  55 matchgecos="$RET"
  56
  57 hostname="`hostname`"
  58 fqdn="`hostname --fqdn`"
  59 domain="`dnsdomainname`"
  60 mailname="`cat /etc/mailname 2> /dev/null || hostname --fqdn`"
  61 cp_get_netaddr || true
  62 netaddr="$RET"
  63
  64 # ako ne postoje konfiguracijske datoteke, napravi ih
  65 [ -f /etc/postfix/master.cf ] || touch /etc/postfix/master.cf
  66 [ -f /etc/postfix/main.cf ] || touch /etc/postfix/main.cf
  67
  68 # spremi pocetnu verziju
  69 cp -pf /etc/postfix/master.cf /etc/postfix/master.cf.dpkg-tmp.$$
  70 cp -pf /etc/postfix/main.cf /etc/postfix/main.cf.dpkg-tmp.$$
  71
  72 # srediti master.cf za TLS & submission & retry
  73 if [ -f /etc/postfix/master.cf ]; then
  74   cp_check_and_sed '^#tlsmgr' \
  75                    's/^#tlsmgr/tlsmgr/g' \
  76                    /etc/postfix/master.cf || true
  77
  78   cp_check_and_sed '^#submission' \
  79                    's/^#submission/submission/g' \
  80                    /etc/postfix/master.cf || true
  81
  82   cp_check_and_sed '^#retry' \
  83                    's/^#retry/retry/g' \
  84                    /etc/postfix/master.cf || true
  85
  86   cp_check_and_sed '^#smtps' \
  87                    's/^#smtps/smtps/g' \
  88                    /etc/postfix/master.cf || true
  89
  90   cp_check_and_sed '^#  -o' \
  91                    's/^#  -o/  -o/g' \
  92                    /etc/postfix/master.cf || true
  93
  94   for option in  "-o milter_macro_daemon_name=ORIGINATING" \
  95                  "-o smtpd_recipient_restrictions=" \
  96                  "-o smtpd_reject_unlisted_recipient=no" \
  97                  "-o smtpd_relay_restrictions=permit_sasl_authenticated,reject" \
  98                  "-o smtpd_sasl_auth_enable=yes" \
  99                  "-o smtpd_tls_security_level=encrypt" \
 100                  "-o smtpd_tls_wrappermode=yes" \
 101                  "-o syslog_name=postfix/smtps" \
 102                  "-o syslog_name=postfix/submission"; do
 103   cp_check_and_sed "^#   $option" \
 104                    "s/#   $option/$option/g" \
 105                    /etc/postfix/master.cf || true
 106   done
 107
 108   for option in  "o smtpd_client_restrictions=" \
 109                  "o smtpd_helo_restrictions=" \
 110                  "o smtpd_sender_restrictions="; do
 111   cp_check_and_sed "$option" \
 112                    "s/.*$option/# -$option/g" \
 113                    /etc/postfix/master.cf || true
 114   done
 115 fi
 116
 117 # ovo manje/vise uzima kao default, ali u slucaju da je multihomed stroj,
 118 # i eventualno je sprckan, mozda nesto nece raditi kako spada pa cemo konfigurirati
 119 postconf -e myhostname="$fqdn"
 120 postconf -e mydomain="$domain"
 121 postconf -e myorigin="$mailname"
 122
 123 # zbog problema sa squirrelmailom
 124 postconf -e append_dot_mydomain="yes"
 125 postconf -e append_at_myorigin="yes"
 126
 127 # dodaj 127.0.0.0/8, netaddr i ipv6-localhost
 128 # dodaje izlazne servere za webmail --zelja
 129 mynetworks="`postconf -h mynetworks`"
 130 for i in "127.0.0.0/8" "\[::1\]/128" "$netaddr" "193.198.233.95" "193.198.233.96"; do
 131   if ! echo $mynetworks | grep -q $i; then
 132    mynetworks="$mynetworks, $i"
 133   fi
 134 done
 135 postconf -e mynetworks="$mynetworks"
 136
 137 # obrisati $mydomain, ako je upgrade sa starije verzije
 138 # te srediti mydestination
 139 if dpkg --compare-versions "$2" lt 2.3.8-2; then
 140   mydestination="`postconf -h mydestination`"
 141   if echo $mydestination | grep -q ", \$mydomain"; then
 142     mydestination="`echo $mydestination | sed 's/, \$mydomain//g'`"
 143   fi
 144   if ! echo $mydestination | grep -q "localhost.\$mydomain"; then
 145     mydestination="$mydestination, localhost.\$mydomain"
 146   fi
 147   if ! echo $mydestination | grep -q "\$myhostname"; then
 148     mydestination="\$myhostname, $mydestination"
 149   fi
 150   postconf -e mydestination="$mydestination"
 151 fi
 152
 153 # default je: $myhostname, localhost.$mydomain, localhost
 154 # treba dodati jos ", $mydomain", ako je host mx
 155 cp_get_mx_domain || true
 156 mx_domain="$RET"
 157 if [ "$mx_domain" != "$fqdn" ]; then
 158   mydestination="`postconf -h mydestination`"
 159   if ! echo $mydestination | grep -q ", \$mydomain"; then
 160     postconf -e mydestination="$mydestination, \$mydomain"
 161   fi
 162   postconf -e relay_domains="\$mydestination"
 163   if [ "$mx_domain" != "$domain" ]; then
 164     if dpkg --compare-versions "$2" lt 2.1.5-8; then
 165       cp_echo "CN: This host is MX for more than one domain! postfix-cn package will"
 166       cp_echo "CN: only set up $mx_domain, you HAVE TO add the other domains manually"
 167       cp_echo "CN: to mydestination variable in /etc/postfix/main.cf, if you haven't"
 168       cp_echo "CN: done that already or you may lose mail."
 169     fi
 170   fi
 171 fi
 172
 173 # sredi $alias_maps
 174 if [ "$matchgecos" = "true" ]; then
 175   aliasmaps="hash:/etc/aliases hash:/var/lib/postfix-cn/aliases_gecos"
 176 elif [ "$matchgecos" = "false" ]; then
 177   aliasmaps="hash:/etc/aliases"
 178   alias_maps="`postconf -h alias_maps | \
 179                sed -e 's#hash:/var/lib/postfix-cn/aliases_gecos,*##g' -e 's/,*[[:space:]]*$//g'`"
 180   postconf -e alias_maps="$alias_maps"
 181 fi
 182
 183 for i in $aliasmaps; do
 184   alias_maps="`postconf -h alias_maps`"
 185   if ! echo $alias_maps | grep -q "$i"; then
 186     postconf -e alias_maps="$alias_maps, $i"
 187   fi
 188 done
 189
 190 postconf -e alias_database="hash:/etc/aliases"
 191 postconf -e local_recipient_maps="proxy:unix:passwd.byname \$alias_maps"
 192
 193 # jos malo
 194 postconf -e recipient_delimiter="+"
 195 postconf -e smtpd_helo_required="yes"
 196 postconf -e smtpd_helo_restrictions="permit_mynetworks"
 197 postconf -e in_flow_delay="2s"
 198 postconf -e initial_destination_concurrency="10"
 199 postconf -e default_destination_concurrency_limit="30"
 200 postconf -e smtpd_recipient_limit="400"
 201 postconf -e hash_queue_depth="3"
 202
 203 if dpkg --compare-versions "$2" lt 2.1.5-6; then
 204   postconf -e bounce_queue_lifetime="5d"
 205   postconf -e maximal_queue_lifetime="5d"
 206 fi
 207
 208 # ako netko zeli maknuti maskiranje, da mu ga nova verzija ne doda
 209 if dpkg --compare-versions "$2" lt 2.1.5-2; then
 210   postconf -e masquerade_domains="\$mydomain"
 211 fi
 212
 213 # sredi smtpd_recipient_restrictions
 214 smtpd_recipient_restrictions="reject_invalid_hostname, \
 215                               reject_unknown_sender_domain, \
 216                               reject_unknown_recipient_domain, \
 217                               reject_unauth_pipelining, \
 218                               permit_sasl_authenticated, \
 219                               permit_mynetworks, \
 220                               reject_unauth_destination, \
 221                               check_client_access hash:/etc/postfix/cn-client-access, \
 222                               check_helo_access hash:/etc/postfix/cn-helo-access, \
 223                               check_sender_access hash:/etc/postfix/cn-sender-access, \
 224                               check_recipient_access hash:/etc/postfix/cn-recipient-access"
 225
 226 # dodaj samo rbl-ove iz debconfa
 227 if [ "$rbl" ]; then
 228   for i in `echo $rbl | tr -d ,`; do
 229     smtpd_recipient_restrictions="$smtpd_recipient_restrictions, reject_rbl_client $i"
 230   done
 231 fi
 232
 233 # dodaj permit na kraj
 234 smtpd_recipient_restrictions="$smtpd_recipient_restrictions, permit"
 235 postconf -e smtpd_recipient_restrictions="$smtpd_recipient_restrictions"
 236
 237 # Header & body checks
 238
 239 postconf -e header_checks="pcre:/etc/postfix/cn-header-checks"
 240 postconf -e mime_header_checks="pcre:/etc/postfix/cn-mime-header-checks"
 241 postconf -e nested_header_checks="pcre:/etc/postfix/cn-nested-header-checks"
 242 postconf -e body_checks="pcre:/etc/postfix/cn-body-checks"
 243
 244
 245 # SASL stuff
 246 postconf -e smtpd_sasl_auth_enable="yes"
 247 postconf -e smtpd_sasl_security_options="noanonymous"
 248 postconf -e smtpd_sasl_local_domain="\$myhostname"
 249 postconf -e broken_sasl_auth_clients="yes"
 250
 251 [ -d /etc/postfix/sasl/ ] || mkdir -p /etc/postfix/sasl/
 252 if [ ! -f /etc/postfix/sasl/smtpd.conf ]; then
 253   cat - > /etc/postfix/sasl/smtpd.conf <<EOF
 254 pwcheck_method: saslauthd
 255 mech_list: plain login
 256 EOF
 257   restart_postfix="yes"
 258 fi
 259
 260 if [ -f /etc/default/saslauthd ]; then
 261   cp_check_and_sed "^START=no" \
 262                    "s/^START=no/START=yes/g" \
 263                    /etc/default/saslauthd && restart_saslauthd="yes"
 264
 265   cp_check_and_sed "^#[[:blank:]]*START=" \
 266                    "s/^#[[:blank:]]*START=.*$/START=yes/g" \
 267                    /etc/default/saslauthd && restart_saslauthd="yes"
 268
 269   if ! grep -q "^START.*yes" /etc/default/saslauthd; then
 270     echo "START=yes" >> /etc/default/saslauthd
 271     restart_saslauthd="yes"
 272   fi
 273
 274   if ! grep -q "^OPTIONS.*/var/spool/postfix/var/run/saslauthd" /etc/default/saslauthd; then
 275     echo "OPTIONS=\"-c -m /var/spool/postfix/var/run/saslauthd\"" >> /etc/default/saslauthd
 276     restart_saslauthd="yes"
 277   fi
 278
 279   if ! grep -q "&& ln -s" /etc/default/saslauthd; then
 280     echo "[ ! -L /var/run/saslauthd -a -d /var/spool/postfix/var/run/saslauthd -a ! -d /var/run/saslauthd ] && ln -s /var/spool/postfix/var/run/saslauthd /var/run/saslauthd || true" >> /etc/default/saslauthd
 281     restart_saslauthd="yes"
 282   fi
 283
 284   if [ ! -L /var/run/saslauthd ]; then
 285     mkdir -p /var/spool/postfix/var/run/
 286     if [ -d /var/run/saslauthd -a ! -d /var/spool/postfix/var/run/saslauthd ]; then
 287       mv /var/run/saslauthd /var/spool/postfix/var/run/
 288     elif [ -d /var/run/saslauthd -a -d /var/spool/postfix/var/run/saslauthd ]; then
 289       rm -rf /var/run/saslauthd/
 290     fi
 291     # XXX jos kad bi ln -s u /var/run/ radio (bootclean.sh)
 292     if [ -d /var/spool/postfix/var/run/saslauthd -a ! -d /var/run/saslauthd ]; then
 293       ln -s /var/spool/postfix/var/run/saslauthd /var/run/saslauthd
 294     fi
 295     restart_saslauthd="yes"
 296   fi
 297
 298   if [ ! -d /var/spool/postfix/var/run/saslauthd ]; then
 299     mkdir -p /var/spool/postfix/var/run/saslauthd
 300     restart_saslauthd="yes"
 301   fi
 302
 303   if ! dpkg-statoverride --list /var/spool/postfix/var/run/saslauthd > /dev/null; then
 304     dpkg-statoverride --update --add root sasl 710 /var/spool/postfix/var/run/saslauthd
 305   fi
 306 fi
 307
 308 # restart saslauthd
 309 if [ "$restart_saslauthd" = "yes" ]; then
 310   service saslauthd restart
 311 fi
 312
 313 # TLS stuff
 314 postconf -e smtp_tls_security_level="may"
 315 postconf -e smtp_tls_session_cache_database="btree:/var/lib/postfix/smtp_scache"
 316 postconf -e smtp_tls_session_cache_timeout="3600s"
 317 postconf -e smtpd_tls_security_level="may"
 318 postconf -e smtpd_tls_session_cache_database="btree:/var/lib/postfix/smtpd_scache"
 319 postconf -e smtpd_tls_session_cache_timeout="3600s"
 320 postconf -e tls_random_source="dev:/dev/urandom"
 321 postconf -e smtpd_tls_exclude_ciphers="aNULL"
 322 postconf -e smtpd_tls_mandatory_exclude_ciphers="aNULL"
 323
 324 # nije potrebno generiranje certifikata jer postfix koristi paket ssl-cert
 325 # ako je postavljen snakeoil certifikat za smtpd_tls_* postavi isti za smtp_tls_*
 326 smtpd_tls_cert_file="`postconf -h smtpd_tls_cert_file`"
 327 if [ "$smtpd_tls_cert_file" = "/etc/ssl/certs/ssl-cert-snakeoil.pem" ]; then
 328   postconf -e smtp_tls_cert_file="/etc/ssl/certs/ssl-cert-snakeoil.pem"
 329   postconf -e smtp_tls_key_file="/etc/ssl/private/ssl-cert-snakeoil.key"
 330 fi
 331
 332 # ako je prazan, postavi na defaultni iz paketa ssl-cert
 333 smtpd_tls_cert_file="`postconf -h smtpd_tls_cert_file`"
 334 if [ -z "$smtpd_tls_cert_file" ]; then
 335   postconf -e smtpd_tls_cert_file="/etc/ssl/certs/ssl-cert-snakeoil.pem"
 336   postconf -e smtpd_tls_key_file="/etc/ssl/private/ssl-cert-snakeoil.key"
 337 fi
 338 smtp_tls_cert_file="`postconf -h smtp_tls_cert_file`"
 339 if [ -z "$smtp_tls_cert_file" ]; then
 340   postconf -e smtp_tls_cert_file="/etc/ssl/certs/ssl-cert-snakeoil.pem"
 341   postconf -e smtp_tls_key_file="/etc/ssl/private/ssl-cert-snakeoil.key"
 342 fi
 343
 344 # prije bilo u /etc/postfix/, od verzije 2.1.5-2 je u /var/spool/postfix
 345 [ -f /etc/postfix/smtp_scache.dir ] && rm -f /etc/postfix/smtp_scache.dir
 346 [ -f /etc/postfix/smtp_scache.pag ] && rm -f /etc/postfix/smtp_scache.pag
 347 [ -f /etc/postfix/smtpd_scache.dir ] && rm -f /etc/postfix/smtpd_scache.dir
 348 [ -f /etc/postfix/smtpd_scache.pag ] && rm -f /etc/postfix/smtpd_scache.pag
 349 # prije bilo u /var/spool/postfix/, od verzije 2.5.5 je u /var/lib/postfix
 350 [ -f /var/spool/postfix/smtp_scache.dir ] && rm -f /var/spool/postfix/smtp_scache.dir
 351 [ -f /var/spool/postfix/smtp_scache.pag ] && rm -f /var/spool/postfix/smtp_scache.pag
 352 [ -f /var/spool/postfix/smtpd_scache.dir ] && rm -f /var/spool/postfix/smtpd_scache.dir
 353 [ -f /var/spool/postfix/smtpd_scache.pag ] && rm -f /var/spool/postfix/smtpd_scache.pag
 354
 355 # debconf stop
 356 db_go || true
 357 db_stop || true
 358
 359 # ako postoji amavis, sredi
 360 if [ -x /usr/share/amavisd-cn/postfixize.sh ]; then
 361   /usr/share/amavisd-cn/postfixize.sh
 362 fi
 363
 364 # provjeri da li postoji sendmail-base
 365 if ! dpkg -l sendmail-base | grep -q '^.n'; then
 366   cp_echo ""
 367   cp_echo "CN: Package sendmail-base detected."
 368   cp_echo "CN: Please, purge this package with command:"
 369   cp_echo "CN: # dpkg --purge sendmail-base"
 370   cp_echo ""
 371 fi
 372
 373 # sendmailov /etc/mail/access
 374 if [ -f /etc/mail/access -a /etc/mail/access.db ]; then
 375   cp_echo ""
 376   cp_echo "CN: Sendmail's access file (/etc/mail/access) detected."
 377   cp_echo "CN: Please, upgrade your's /etc/postfix/access."
 378   cp_echo "CN: http://www.postfix.org/SMTPD_ACCESS_README.html"
 379   cp_echo ""
 380 fi
 381
 382 if ! id postfix | grep -q sasl; then
 383   adduser postfix sasl > /dev/null
 384   restart_postfix="yes"
 385 fi
 386
 387 # ako ima razlika, backupiraj stari, ako ne, obrisi privremeni backup
 388 if ! cmp -s /etc/postfix/master.cf /etc/postfix/master.cf.dpkg-tmp.$$; then
 389   cp_echo "CN: Backing up old version of /etc/postfix/master.cf in /var/backups/..."
 390   cp_backup_conffile /etc/postfix/master.cf.dpkg-tmp.$$ master.cf
 391   restart_postfix="yes"
 392 fi
 393 rm -f /etc/postfix/master.cf.dpkg-tmp.$$
 394
 395 if ! cmp -s /etc/postfix/main.cf /etc/postfix/main.cf.dpkg-tmp.$$; then
 396   cp_echo "CN: Backing up old version of /etc/postfix/main.cf in /var/backups/..."
 397   cp_backup_conffile /etc/postfix/main.cf.dpkg-tmp.$$ main.cf
 398   restart_postfix="yes"
 399 fi
 400 rm -f /etc/postfix/main.cf.dpkg-tmp.$$
 401
 402 #if ! grep -q "retry     unix  -       -       y       -       -       error" /etc/postfix/master.cf; then
 403 #  echo "CN: Please, add this line in /etc/postfix/master.cf and restart Postfix."
 404 #  echo "retry     unix  -       -       y       -       -       error"
 405 #  echo
 406 #fi
 407
 408 # kreiraj aliases_gecos
 409 if [ -x /usr/sbin/newaliases-gecos ]; then
 410   if [ "$matchgecos" = "true" ]; then
 411     echo "CN: Creating GECOS alias map..."
 412     /usr/sbin/newaliases-gecos
 413   fi
 414 fi
 415
 416 # rjesava gresku using backwards-compatible default setting chroot=y
 417
 418 for service in smtps/inet smtp/inet smtp/unix submission/inet pickup/fifo cleanup/unix qmgr/fifo rewrite/unix bounce/unix defer/unix trace/unix verify/unix flush/unix relay/unix showq/unix error/unix scache/unix discard/unix retry/unix
 419 do
 420         postconf -F $service/chroot=y
 421 done
 422 restart_postfix="yes"
 423
 424
 425 # obavijest za webmail
 426
 427 cp-update -t postfix-cn /etc/postfix/main.cf <<EOF
 428
 429 # Posluzitelji "193.198.233.95" "193.198.233.96" su odlazni posluzitelji za webmail.carnet.hr
 430 # Ukoliko koristite uslugu CARNET-ovog Webmaila, nemojte ih brisati iz "mynetworks"!
 431
 432 EOF
 433
 434 test -f /etc/postfix/access_client_cn && /usr/sbin/postmap /etc/postfix/access_client_cn
 435 test -f /etc/postfix/access_recipient_cn && /usr/sbin/postmap /etc/postfix/access_recipient_cn
 436 test -f /etc/postfix/access_sender_cn && /usr/sbin/postmap /etc/postfix/access_sender_cn
 437 test -f /etc/postfix/access_helo_cn && /usr/sbin/postmap /etc/postfix/access_helo_cn
 438
 439
 440 # restart
 441 if [ "$restart_postfix" = "yes" ]; then
 442   service postfix restart
 443 fi
 444 cp_mail postfix-cn
 445
 446 #DEBHELPER#