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 check_for_utf() {
  15
  16 utf=$(perl -lne 'print if /[^[:ascii:]]/' /etc/passwd)
  17
  18 if [ ! -z "$utf" ]; then
  19         poruka="Detektirani su znakovi šđčćž u datoteci /etc/passwd. To bi moglo omesti generiranje mail aliasa u obliku Ime.Prezime@ustanova.hr.
  20
  21 Molimo uklonite naše znakove s naredbom
  22
  23 usermod -c \"Ime Prezime\" korisnik
  24
  25 Korisnici koji imaju znakove u imenu ili prezimenu su:
  26
  27 "
  28
  29         LC_MESSAGES=hr_HR dialog --backtitle "Postfix: problem s datotekom /etc/passwd" --msgbox "$poruka$utf" 18 75
  30 fi
  31 }
  32
  33 db_get postfix-cn/rbl || true
  34 rbl="$RET"
  35
  36 # Tue, 19 Dec 2006 10:31:01 +0100
  37 # relays.ordb.org se gasi 2006-12-31
  38 if echo $rbl | grep -q relays.ordb.org; then
  39   rbl="`echo $rbl | sed 's/relays.ordb.org, //g'`"
  40   # za svaki slucaj, ako je na kraju
  41   rbl="`echo $rbl | sed 's/relays.ordb.org//g'`"
  42   db_set postfix-cn/rbl "$rbl" || true
  43 fi
  44
  45 # Thu, 21 Dec 2006 09:03:50 +0100
  46 # opm.blitzed.org je ugasen 2006-05
  47 if echo $rbl | grep -q opm.blitzed.org; then
  48   rbl="`echo $rbl | sed 's/opm.blitzed.org, //g'`"
  49   # za svaki slucaj, ako je na kraju
  50   rbl="`echo $rbl | sed 's/opm.blitzed.org//g'`"
  51   db_set postfix-cn/rbl "$rbl" || true
  52 fi
  53
  54 # Wed, 12 Jun 2013 15:15:28 +0200
  55 # dnsbl.njabl.org je ugasen 2013-03
  56 if echo $rbl | grep -q dnsbl.njabl.org; then
  57   rbl="`echo $rbl | sed 's/dnsbl.njabl.org, //g'`"
  58   # za svaki slucaj, ako je na kraju
  59   rbl="`echo $rbl | sed 's/dnsbl.njabl.org//g'`"
  60   db_set postfix-cn/rbl "$rbl" || true
  61 fi
  62
  63 # zelja, 2021-04-29
  64 # ako je spamhaus.org ovdje, postavi eta.cert.hr, a sam
  65 # spamhaus je nepotreban, jer imamo zen.dnsbl-sh.carnet.hr
  66 if echo $rbl | grep -q zen.spamhaus.org; then
  67   rbl="`echo $rbl | sed 's/zen.spamhaus.org, /eta.cert.hr, /g'`"
  68   # za svaki slucaj, ako je na kraju
  69   rbl="`echo $rbl | sed 's/zen.spamhaus.org/eta.cert.hr/g'`"
  70   db_set postfix-cn/rbl "$rbl" || true
  71 fi
  72
  73 db_get postfix-cn/matchgecos || true
  74 matchgecos="$RET"
  75
  76 hostname="`hostname`"
  77 fqdn="`hostname --fqdn`"
  78 domain="`dnsdomainname`"
  79 mailname="`cat /etc/mailname 2> /dev/null || hostname --fqdn`"
  80 cp_get_netaddr || true
  81 netaddr="$RET"
  82
  83 # ako ne postoje konfiguracijske datoteke, napravi ih
  84 [ -f /etc/postfix/master.cf ] || touch /etc/postfix/master.cf
  85 [ -f /etc/postfix/main.cf ] || touch /etc/postfix/main.cf
  86
  87 # spremi pocetnu verziju
  88 cp -pf /etc/postfix/master.cf /etc/postfix/master.cf.dpkg-tmp.$$
  89 cp -pf /etc/postfix/main.cf /etc/postfix/main.cf.dpkg-tmp.$$
  90
  91 # srediti master.cf za TLS & submission & retry
  92 if [ -f /etc/postfix/master.cf ]; then
  93   cp_check_and_sed '^#tlsmgr' \
  94                    's/^#tlsmgr/tlsmgr/g' \
  95                    /etc/postfix/master.cf || true
  96
  97   cp_check_and_sed '^#submission' \
  98                    's/^#submission/submission/g' \
  99                    /etc/postfix/master.cf || true
 100
 101   cp_check_and_sed '^#retry' \
 102                    's/^#retry/retry/g' \
 103                    /etc/postfix/master.cf || true
 104
 105   cp_check_and_sed '^#smtps' \
 106                    's/^#smtps/smtps/g' \
 107                    /etc/postfix/master.cf || true
 108
 109   cp_check_and_sed '^#  -o' \
 110                    's/^#  -o/  -o/g' \
 111                    /etc/postfix/master.cf || true
 112
 113   for option in  "-o milter_macro_daemon_name=ORIGINATING" \
 114                  "-o smtpd_recipient_restrictions=" \
 115                  "-o smtpd_reject_unlisted_recipient=no" \
 116                  "-o smtpd_relay_restrictions=permit_sasl_authenticated,reject" \
 117                  "-o smtpd_sasl_auth_enable=yes" \
 118                  "-o smtpd_tls_security_level=encrypt" \
 119                  "-o smtpd_tls_wrappermode=yes" \
 120                  "-o syslog_name=postfix/smtps" \
 121                  "-o syslog_name=postfix/submission"; do
 122   cp_check_and_sed "^#   $option" \
 123                    "s/#   $option/$option/g" \
 124                    /etc/postfix/master.cf || true
 125   done
 126
 127   for option in  "o smtpd_client_restrictions=" \
 128                  "o smtpd_helo_restrictions=" \
 129                  "o smtpd_sender_restrictions="; do
 130   cp_check_and_sed "$option" \
 131                    "s/.*$option/# -$option/g" \
 132                    /etc/postfix/master.cf || true
 133   done
 134 fi
 135
 136 # ovo manje/vise uzima kao default, ali u slucaju da je multihomed stroj,
 137 # i eventualno je sprckan, mozda nesto nece raditi kako spada pa cemo konfigurirati
 138 postconf -e myhostname="$fqdn"
 139 postconf -e mydomain="$domain"
 140 postconf -e myorigin="$mailname"
 141
 142 # zbog problema sa squirrelmailom
 143 postconf -e append_dot_mydomain="yes"
 144 postconf -e append_at_myorigin="yes"
 145
 146 # dodaj 127.0.0.0/8, netaddr i ipv6-localhost
 147 # dodaje izlazne servere za webmail --zelja
 148 mynetworks="`postconf -h mynetworks`"
 149 for i in "127.0.0.0/8" "\[::1\]/128" "$netaddr" "193.198.233.95" "193.198.233.96"; do
 150   if ! echo $mynetworks | grep -q $i; then
 151    mynetworks="$mynetworks, $i"
 152   fi
 153 done
 154 postconf -e mynetworks="$mynetworks"
 155
 156 # obrisati $mydomain, ako je upgrade sa starije verzije
 157 # te srediti mydestination
 158 if dpkg --compare-versions "$2" lt 2.3.8-2; then
 159   mydestination="`postconf -h mydestination`"
 160   if echo $mydestination | grep -q ", \$mydomain"; then
 161     mydestination="`echo $mydestination | sed 's/, \$mydomain//g'`"
 162   fi
 163   if ! echo $mydestination | grep -q "localhost.\$mydomain"; then
 164     mydestination="$mydestination, localhost.\$mydomain"
 165   fi
 166   if ! echo $mydestination | grep -q "\$myhostname"; then
 167     mydestination="\$myhostname, $mydestination"
 168   fi
 169   postconf -e mydestination="$mydestination"
 170 fi
 171
 172 # default je: $myhostname, localhost.$mydomain, localhost
 173 # treba dodati jos ", $mydomain", ako je host mx
 174 cp_get_mx_domain || true
 175 mx_domain="$RET"
 176 if [ "$mx_domain" != "$fqdn" ]; then
 177   mydestination="`postconf -h mydestination`"
 178   if ! echo $mydestination | grep -q ", \$mydomain"; then
 179     postconf -e mydestination="$mydestination, \$mydomain"
 180   fi
 181   postconf -e relay_domains="\$mydestination"
 182   if [ "$mx_domain" != "$domain" ]; then
 183     if dpkg --compare-versions "$2" lt 2.1.5-8; then
 184       cp_echo "CN: Ovaj poslužitelj je podešen kao MX za više od jedne domene! Paket postfix-cn će"
 185       cp_echo "CN: podesiti samo domenu $mx_domain, ostale domene MORATE DODATI RUČNO"
 186       cp_echo "CN: u varijablu 'mydestination' u /etc/postfix/main.cf. Ukoliko to ne"
 187       cp_echo "CN: učinite, mogli biste (iz)gubiti mail za te domene."
 188     fi
 189   fi
 190 fi
 191
 192 # sredi $alias_maps
 193 if [ "$matchgecos" = "true" ]; then
 194   aliasmaps="hash:/etc/aliases hash:/var/lib/postfix-cn/aliases_gecos"
 195 elif [ "$matchgecos" = "false" ]; then
 196   aliasmaps="hash:/etc/aliases"
 197   alias_maps="`postconf -h alias_maps | \
 198                sed -e 's#hash:/var/lib/postfix-cn/aliases_gecos,*##g' -e 's/,*[[:space:]]*$//g'`"
 199   postconf -e alias_maps="$alias_maps"
 200 fi
 201
 202 for i in $aliasmaps; do
 203   alias_maps="`postconf -h alias_maps`"
 204   if ! echo $alias_maps | grep -q "$i"; then
 205     postconf -e alias_maps="$alias_maps, $i"
 206   fi
 207 done
 208
 209 postconf -e alias_database="hash:/etc/aliases"
 210 postconf -e local_recipient_maps="proxy:unix:passwd.byname \$alias_maps"
 211
 212 # jos malo
 213 postconf -e recipient_delimiter="+"
 214 postconf -e smtpd_helo_required="yes"
 215 postconf -e smtpd_helo_restrictions="permit_mynetworks"
 216 postconf -e in_flow_delay="2s"
 217 postconf -e initial_destination_concurrency="10"
 218 postconf -e default_destination_concurrency_limit="30"
 219 postconf -e smtpd_recipient_limit="400"
 220 postconf -e hash_queue_depth="3"
 221
 222 if dpkg --compare-versions "$2" lt 2.1.5-6; then
 223   postconf -e bounce_queue_lifetime="5d"
 224   postconf -e maximal_queue_lifetime="5d"
 225 fi
 226
 227 # ako netko zeli maknuti maskiranje, da mu ga nova verzija ne doda
 228 if dpkg --compare-versions "$2" lt 2.1.5-2; then
 229   postconf -e masquerade_domains="\$mydomain"
 230 fi
 231
 232 # sredi smtpd_recipient_restrictions
 233 smtpd_recipient_restrictions="reject_invalid_hostname, \
 234                               reject_unknown_sender_domain, \
 235                               reject_unknown_recipient_domain, \
 236                               reject_unauth_pipelining, \
 237                               permit_sasl_authenticated, \
 238                               permit_mynetworks, \
 239                               reject_unauth_destination, \
 240                               check_client_access hash:/etc/postfix/cn-client-access, \
 241                               check_helo_access hash:/etc/postfix/cn-helo-access, \
 242                               check_sender_access hash:/etc/postfix/cn-sender-access, \
 243                               check_recipient_access hash:/etc/postfix/cn-recipient-access"
 244
 245 # dodaj samo rbl-ove iz debconfa
 246 if [ "$rbl" ]; then
 247   for i in `echo $rbl | tr -d ,`; do
 248     smtpd_recipient_restrictions="$smtpd_recipient_restrictions, reject_rbl_client $i"
 249   done
 250 fi
 251
 252 # dodaj permit na kraj
 253 smtpd_recipient_restrictions="$smtpd_recipient_restrictions, permit"
 254 postconf -e smtpd_recipient_restrictions="$smtpd_recipient_restrictions"
 255
 256 # Header & body checks
 257
 258 postconf -e header_checks="pcre:/etc/postfix/cn-header-checks"
 259 postconf -e mime_header_checks="pcre:/etc/postfix/cn-mime-header-checks"
 260 postconf -e nested_header_checks="pcre:/etc/postfix/cn-nested-header-checks"
 261 postconf -e body_checks="pcre:/etc/postfix/cn-body-checks"
 262
 263
 264 # SASL stuff
 265 postconf -e smtpd_sasl_auth_enable="yes"
 266 postconf -e smtpd_sasl_security_options="noanonymous"
 267 postconf -e smtpd_sasl_local_domain="\$myhostname"
 268 postconf -e broken_sasl_auth_clients="yes"
 269
 270 [ -d /etc/postfix/sasl/ ] || mkdir -p /etc/postfix/sasl/
 271 if [ ! -f /etc/postfix/sasl/smtpd.conf ]; then
 272   cat - > /etc/postfix/sasl/smtpd.conf <<EOF
 273 pwcheck_method: saslauthd
 274 mech_list: plain login
 275 EOF
 276   restart_postfix="yes"
 277 fi
 278
 279 if [ -f /etc/default/saslauthd ]; then
 280   cp_check_and_sed "^START=no" \
 281                    "s/^START=no/START=yes/g" \
 282                    /etc/default/saslauthd && restart_saslauthd="yes"
 283
 284   cp_check_and_sed "^#[[:blank:]]*START=" \
 285                    "s/^#[[:blank:]]*START=.*$/START=yes/g" \
 286                    /etc/default/saslauthd && restart_saslauthd="yes"
 287
 288   if ! grep -q "^START.*yes" /etc/default/saslauthd; then
 289     echo "START=yes" >> /etc/default/saslauthd
 290     restart_saslauthd="yes"
 291   fi
 292
 293   if ! grep -q "^OPTIONS.*/var/spool/postfix/var/run/saslauthd" /etc/default/saslauthd; then
 294     echo "OPTIONS=\"-c -m /var/spool/postfix/var/run/saslauthd\"" >> /etc/default/saslauthd
 295     restart_saslauthd="yes"
 296   fi
 297
 298   if ! grep -q "&& ln -s" /etc/default/saslauthd; then
 299     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
 300     restart_saslauthd="yes"
 301   fi
 302
 303   if [ ! -L /var/run/saslauthd ]; then
 304     mkdir -p /var/spool/postfix/var/run/
 305     if [ -d /var/run/saslauthd -a ! -d /var/spool/postfix/var/run/saslauthd ]; then
 306       mv /var/run/saslauthd /var/spool/postfix/var/run/
 307     elif [ -d /var/run/saslauthd -a -d /var/spool/postfix/var/run/saslauthd ]; then
 308       rm -rf /var/run/saslauthd/
 309     fi
 310     # XXX jos kad bi ln -s u /var/run/ radio (bootclean.sh)
 311     if [ -d /var/spool/postfix/var/run/saslauthd -a ! -d /var/run/saslauthd ]; then
 312       ln -s /var/spool/postfix/var/run/saslauthd /var/run/saslauthd
 313     fi
 314     restart_saslauthd="yes"
 315   fi
 316
 317   if [ ! -d /var/spool/postfix/var/run/saslauthd ]; then
 318     mkdir -p /var/spool/postfix/var/run/saslauthd
 319     restart_saslauthd="yes"
 320   fi
 321
 322   if ! dpkg-statoverride --list /var/spool/postfix/var/run/saslauthd > /dev/null; then
 323     dpkg-statoverride --update --add root sasl 710 /var/spool/postfix/var/run/saslauthd
 324   fi
 325 fi
 326
 327 # restart saslauthd
 328 if [ "$restart_saslauthd" = "yes" ]; then
 329   service saslauthd restart
 330 fi
 331
 332 # TLS stuff
 333 postconf -e smtp_tls_security_level="may"
 334 postconf -e smtp_tls_session_cache_database="btree:/var/lib/postfix/smtp_scache"
 335 postconf -e smtp_tls_session_cache_timeout="3600s"
 336 postconf -e smtpd_tls_security_level="may"
 337 postconf -e smtpd_tls_session_cache_database="btree:/var/lib/postfix/smtpd_scache"
 338 postconf -e smtpd_tls_session_cache_timeout="3600s"
 339 postconf -e tls_random_source="dev:/dev/urandom"
 340 postconf -e smtpd_tls_exclude_ciphers="aNULL"
 341 postconf -e smtpd_tls_mandatory_exclude_ciphers="aNULL"
 342
 343 # nije potrebno generiranje certifikata jer postfix koristi paket ssl-cert
 344 # ako je postavljen snakeoil certifikat za smtpd_tls_* postavi isti za smtp_tls_*
 345 smtpd_tls_cert_file="`postconf -h smtpd_tls_cert_file`"
 346 if [ "$smtpd_tls_cert_file" = "/etc/ssl/certs/ssl-cert-snakeoil.pem" ]; then
 347   postconf -e smtp_tls_cert_file="/etc/ssl/certs/ssl-cert-snakeoil.pem"
 348   postconf -e smtp_tls_key_file="/etc/ssl/private/ssl-cert-snakeoil.key"
 349 fi
 350
 351 # ako je prazan, postavi na defaultni iz paketa ssl-cert
 352 smtpd_tls_cert_file="`postconf -h smtpd_tls_cert_file`"
 353 if [ -z "$smtpd_tls_cert_file" ]; then
 354   postconf -e smtpd_tls_cert_file="/etc/ssl/certs/ssl-cert-snakeoil.pem"
 355   postconf -e smtpd_tls_key_file="/etc/ssl/private/ssl-cert-snakeoil.key"
 356 fi
 357 smtp_tls_cert_file="`postconf -h smtp_tls_cert_file`"
 358 if [ -z "$smtp_tls_cert_file" ]; then
 359   postconf -e smtp_tls_cert_file="/etc/ssl/certs/ssl-cert-snakeoil.pem"
 360   postconf -e smtp_tls_key_file="/etc/ssl/private/ssl-cert-snakeoil.key"
 361 fi
 362
 363 # prije bilo u /etc/postfix/, od verzije 2.1.5-2 je u /var/spool/postfix
 364 [ -f /etc/postfix/smtp_scache.dir ] && rm -f /etc/postfix/smtp_scache.dir
 365 [ -f /etc/postfix/smtp_scache.pag ] && rm -f /etc/postfix/smtp_scache.pag
 366 [ -f /etc/postfix/smtpd_scache.dir ] && rm -f /etc/postfix/smtpd_scache.dir
 367 [ -f /etc/postfix/smtpd_scache.pag ] && rm -f /etc/postfix/smtpd_scache.pag
 368 # prije bilo u /var/spool/postfix/, od verzije 2.5.5 je u /var/lib/postfix
 369 [ -f /var/spool/postfix/smtp_scache.dir ] && rm -f /var/spool/postfix/smtp_scache.dir
 370 [ -f /var/spool/postfix/smtp_scache.pag ] && rm -f /var/spool/postfix/smtp_scache.pag
 371 [ -f /var/spool/postfix/smtpd_scache.dir ] && rm -f /var/spool/postfix/smtpd_scache.dir
 372 [ -f /var/spool/postfix/smtpd_scache.pag ] && rm -f /var/spool/postfix/smtpd_scache.pag
 373
 374 # debconf stop
 375 db_go || true
 376 db_stop || true
 377
 378 # ako postoji amavis, sredi
 379 if [ -x /usr/share/amavisd-cn/postfixize.sh ]; then
 380   /usr/share/amavisd-cn/postfixize.sh
 381 fi
 382
 383 # provjeri da li postoji sendmail-base
 384 if ! dpkg -l sendmail-base | grep -q '^.n'; then
 385   cp_echo ""
 386   cp_echo "CN: Pronađen je paket sendmail-base."
 387   cp_echo "CN: Molimo, obrišite paket s naredbom:"
 388   cp_echo "CN: # dpkg --purge sendmail-base"
 389   cp_echo ""
 390 fi
 391
 392 # sendmailov /etc/mail/access
 393 if [ -f /etc/mail/access -a /etc/mail/access.db ]; then
 394   cp_echo ""
 395   cp_echo "CN: Pronađena je sendmailova datoteka /etc/mail/access."
 396   cp_echo "CN: Ukoliko je potrebno, nadogradite /etc/mail/access po uputama sa:"
 397   cp_echo "CN: http://www.postfix.org/SMTPD_ACCESS_README.html"
 398   cp_echo ""
 399 fi
 400
 401 if ! id postfix | grep -q sasl; then
 402   adduser postfix sasl > /dev/null
 403   restart_postfix="yes"
 404 fi
 405
 406 # ako ima razlika, backupiraj stari, ako ne, obrisi privremeni backup
 407 if ! cmp -s /etc/postfix/master.cf /etc/postfix/master.cf.dpkg-tmp.$$; then
 408   cp_echo "CN: Backupiram staru inačicu /etc/postfix/master.cf u /var/backups/..."
 409   cp_backup_conffile /etc/postfix/master.cf.dpkg-tmp.$$ master.cf
 410   restart_postfix="yes"
 411 fi
 412 rm -f /etc/postfix/master.cf.dpkg-tmp.$$
 413
 414 if ! cmp -s /etc/postfix/main.cf /etc/postfix/main.cf.dpkg-tmp.$$; then
 415   cp_echo "CN: Backupiram staru inačicu /etc/postfix/main.cf u /var/backups/..."
 416   cp_backup_conffile /etc/postfix/main.cf.dpkg-tmp.$$ main.cf
 417   restart_postfix="yes"
 418 fi
 419 rm -f /etc/postfix/main.cf.dpkg-tmp.$$
 420
 421 #if ! grep -q "retry     unix  -       -       y       -       -       error" /etc/postfix/master.cf; then
 422 #  echo "CN: Please, add this line in /etc/postfix/master.cf and restart Postfix."
 423 #  echo "retry     unix  -       -       y       -       -       error"
 424 #  echo
 425 #fi
 426
 427 # Provjera postoje li naša slova šđčćž u /etc/passwd
 428 check_for_utf
 429
 430 # kreiraj aliases_gecos
 431 if [ -x /usr/sbin/newaliases-gecos ]; then
 432   if [ "$matchgecos" = "true" ]; then
 433     echo "CN: Pravim GECOS alias mapu..."
 434     /usr/sbin/newaliases-gecos
 435   fi
 436 fi
 437
 438 # rješava grešku "using backwards-compatible default setting chroot=y"
 439
 440 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
 441 do
 442         postconf -F $service/chroot=y
 443 done
 444 restart_postfix="yes"
 445
 446
 447 # obavijest za webmail
 448
 449 cp-update -t postfix-cn /etc/postfix/main.cf <<EOF
 450
 451 # Posluzitelji "193.198.233.95" "193.198.233.96" su odlazni posluzitelji za webmail.carnet.hr
 452 # Ukoliko koristite uslugu CARNET-ovog Webmaila, nemojte ih brisati iz "mynetworks"!
 453
 454 EOF
 455
 456 test -f /etc/postfix/cn-client-access && /usr/sbin/postmap /etc/postfix/cn-client-access
 457 test -f /etc/postfix/cn-recipient-access && /usr/sbin/postmap /etc/postfix/cn-recipient-access
 458 test -f /etc/postfix/cn-sender-access && /usr/sbin/postmap /etc/postfix/cn-sender-access
 459 test -f /etc/postfix/cn-helo-access && /usr/sbin/postmap /etc/postfix/cn-helo-access
 460
 461
 462 # restart
 463 if [ "$restart_postfix" = "yes" ]; then
 464   service postfix restart
 465 fi
 466 cp_mail postfix-cn
 467
 468 #DEBHELPER#