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 cp_check_and_sed '#disable_plaintext_auth' \
  12                  's/#disable_plaintext_auth/disable_plaintext_auth/g' \
  13                  /etc/dovecot/conf.d/10-auth.conf || true
  14
  15 cp_check_and_sed 'disable_plaintext_auth.*yes' \
  16                  's/disable_plaintext_auth.*$/disable_plaintext_auth = no/g' \
  17                  /etc/dovecot/conf.d/10-auth.conf || true
  18
  19 if ! grep -q "mail_privileged_group.*mail$" /etc/dovecot/conf.d/10-mail.conf \
  20         cp_check_and_sed 'mail_privileged_group' \
  21                          's/mail_privileged_group.*$/mail_privileged_group = mail/g' \
  22                          /etc/dovecot/conf.d/10-mail.conf || true
  23 fi
  24
  25 cp_check_and_sed '#imap_client_workarounds' \
  26                  's/#imap_client_workarounds/imap_client_workarounds/g' \
  27                  /etc/dovecot/conf.d/20-imap.conf || true
  28
  29 cp_check_and_sed '#pop3_client_workarounds' \
  30                  's/#pop3_client_workarounds/pop3_client_workarounds/g' \
  31                  /etc/dovecot/conf.d/20-pop3.conf || true
  32
  33 cp_check_and_sed 'imap_client_workarounds' \
  34                  's/imap_client_workarounds.*$/imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags/g' \
  35                  /etc/dovecot/conf.d/20-imap.conf || true
  36
  37 cp_check_and_sed 'pop3_client_workarounds' \
  38                  's/pop3_client_workarounds.*$/pop3_client_workarounds = outlook-no-nuls oe-ns-eoh/g' \
  39                  /etc/dovecot/conf.d/20-pop3.conf || true
  40
  41 cp_check_and_sed '#ssl_cipher_list' \
  42                  's/#ssl_cipher_list.*/ssl_cipher_list = ALL:!aNULL:!eNULL:!ADH!LOW:!MEDIUM:!EXP:HIGH/g' \
  43                  /etc/dovecot/conf.d/10-ssl.conf || true
  44
  45 # izbacujemo SSLv2
  46 cp_check_and_sed 'ssl_cipher_list' \
  47                  's/:\!SSLv2//g' \
  48                  /etc/dovecot/conf.d/10-ssl.conf || true
  49
  50 # trazio zelja
  51 cp_check_and_sed '#ssl =' \
  52                  's/^#ssl =/ssl =/g' \
  53                  /etc/dovecot/conf.d/10-ssl.conf || true
  54
  55 # trazio zelja
  56 cp_check_and_sed 'ssl = no' \
  57                  's/^ssl = no/ssl = yes/g' \
  58                  /etc/dovecot/conf.d/10-ssl.conf || true
  59
  60 if ! grep -q ^ssl_cert /etc/dovecot/conf.d/10-ssl.conf \
  61   && ! grep -q ^ssl_key /etc/dovecot/conf.d/10-ssl.conf; then
  62
  63   if [ ! -f /etc/dovecot/dovecot.pem -a ! -f /etc/dovecot/private/dovecot.pem ]; then
  64     echo "CN: Generating certificate and key..."
  65     /usr/share/dovecot-cn/mkcert.sh || true
  66   fi
  67
  68   cp_check_and_sed '#ssl_cert = </etc/dovecot/dovecot.pem' \
  69                    's|#ssl_cert = </etc/dovecot/dovecot.pem|ssl_cert = </etc/dovecot/dovecot.pem|g' \
  70                    /etc/dovecot/conf.d/10-ssl.conf || true
  71   cp_check_and_sed '#ssl_key = </etc/dovecot/private/dovecot.pem' \
  72                    's|#ssl_key = </etc/dovecot/private/dovecot.pem|ssl_key = </etc/dovecot/private/dovecot.pem|g' \
  73                    /etc/dovecot/conf.d/10-ssl.conf || true
  74   # negdje se pojavljuje dovecot.key umjesto dovecot.pem
  75   cp_check_and_sed 'ssl_key = </etc/dovecot/private/dovecot.key' \
  76                    's|ssl_key = </etc/dovecot/private/dovecot.key|ssl_key = </etc/dovecot/private/dovecot.pem|g' \
  77                    /etc/dovecot/conf.d/10-ssl.conf || true
  78 fi
  79
  80 ### buster ima ssl_min_protocol umjesto ssl_protocols
  81 # ne radimo ništa ako već postoji ^ssl_min_protocol = TLS*, možda je sistemac smanjivao level TLS-a
  82
  83 if ! grep -q "^ssl_min_protocol = TLS" /etc/dovecot/conf.d/10-ssl.conf; then
  84         # postavlja minimalni TLS protokol i mijenja ime varijable
  85         cp_check_and_sed '#ssl_protocols =' \
  86                          's/^#ssl_protocols.*/ssl_min_protocol = TLSv1.2/g' \
  87                          /etc/dovecot/conf.d/10-ssl.conf || true
  88
  89         # postavlja minimalni TLS protokol ako je varijabla već uključena
  90         cp_check_and_sed 'ssl_protocols =' \
  91                          's/^ssl_protocols.*/ssl_min_protocol = TLSv1.2/g' \
  92                          /etc/dovecot/conf.d/10-ssl.conf || true
  93
  94         # samo popravlja inačicu protokola i uključuje varijablu
  95         cp_check_and_sed '#ssl_min_protocol =' \
  96                          's/^#ssl_min_protocol.*/ssl_min_protocol = TLSv1.2/g' \
  97                          /etc/dovecot/conf.d/10-ssl.conf || true
  98
  99         # popravlja inačicu protokola ako je varijabla već uključena (ako je zaostao SSLv2 i SSLv3)
 100         cp_check_and_sed 'ssl_min_protocol =' \
 101                          's/^ssl_min_protocol.*/ssl_min_protocol = TLSv1.2/g' \
 102                          /etc/dovecot/conf.d/10-ssl.conf || true
 103 fi
 104
 105 ### buster ima DH ključ koji se nalazi u paketu dovecot-core
 106 # ne radimo ništa ako već postoji ^ssl_dh koji nije prazan
 107
 108 if ! grep -q "^ssl_dh = /" /etc/dovecot/conf.d/10-ssl.conf; then
 109         # postavlja DH i uključuje varijablu
 110         cp_check_and_sed '#ssl_dh =' \
 111                          's,^#ssl_dh.*,ssl_dh = </usr/share/dovecot/dh.pem,g' \
 112                          /etc/dovecot/conf.d/10-ssl.conf || true
 113 fi
 114
 115 # maknuti kludge kreiran u carnet-upgrade
 116 test -f /etc/dovecot/conf.d/95-cn6-upgrade.conf && mv /etc/dovecot/conf.d/95-cn6-upgrade.conf /var/backups || true
 117 test -f /etc/dovecot/conf.d/95-cn7-upgrade.conf && mv /etc/dovecot/conf.d/95-cn7-upgrade.conf /var/backups || true
 118 test -f /etc/dovecot/conf.d/95-cn8-upgrade.conf && mv /etc/dovecot/conf.d/95-cn8-upgrade.conf /var/backups || true
 119 test -f /etc/dovecot/conf.d/95-cn9-upgrade.conf && mv /etc/dovecot/conf.d/95-cn9-upgrade.conf /var/backups || true
 120 # nije više potrebno editirati dovecot.conf koji je samo hrpa includea
 121 test -f /etc/dovecot/dovecot.conf.cn6-upgrade && mv /etc/dovecot/dovecot.conf.cn6-upgrade /var/backups || true
 122 test -f /etc/dovecot/dovecot.conf.cn7-upgrade && mv /etc/dovecot/dovecot.conf.cn7-upgrade /var/backups || true
 123 test -f /etc/dovecot/dovecot.conf.cn8-upgrade && mv /etc/dovecot/dovecot.conf.cn8-upgrade /var/backups || true
 124 test -f /etc/dovecot/dovecot.conf.cn9-upgrade && mv /etc/dovecot/dovecot.conf.cn9-upgrade /var/backups || true
 125
 126 # staro, može se brisati
 127 # dodao ico, gasi SSLv3 protokol
 128 #cp_check_and_sed '#ssl_protocols =' \
 129 #                's/^#ssl_protocols.*/ssl_protocols = !SSLv3/g' \
 130 #                /etc/dovecot/conf.d/10-ssl.conf || true
 131
 132 # dodao zelja, gasi stare SSL protokole
 133 #cp_check_and_sed 'ssl_protocols =' \
 134 #                's/\!SSLv2 //g' \
 135 #                /etc/dovecot/conf.d/10-ssl.conf || true
 136
 137 # dodao zelja, gasi stare SSL protokole/ciphere u 95-cn9-upgrade.conf ako postoje
 138 #if [ -f /etc/dovecot/conf.d/95-cn9-upgrade.conf ]; then
 139 #       cp_check_and_sed 'ssl_protocols =' \
 140 #                        's/\!SSLv2 //g' \
 141 #                        /etc/dovecot/conf.d/95-cn9-upgrade.conf || true
 142 #       cp_check_and_sed 'ssl_cipher_list' \
 143 #                        's/:\!SSLv2//g' \
 144 #                        /etc/dovecot/conf.d/95-cn9-upgrade.conf || true
 145 #fi
 146
 147 # restart
 148 service dovecot restart || true
 149
 150 #DEBHELPER#
 151
 152 exit 0