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