debian/postinst

   1 #!/bin/sh
   2 # postinst script for bind9-cn
   3 #
   4 # see: dh_installdeb(1)
   5
   6 set -e
   7
   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>
  12 #          <new-version>
  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
  18 #
  19
  20 case "$1" in
  21     configure|reconfigure)
  22       # continue below
  23     ;;
  24
  25     *)
  26         exit 0
  27     ;;
  28 esac
  29
  30 # import CN-functions
  31 . /usr/share/carnet-tools/functions.sh
  32
  33 echo "CN: Making sample configurations in /usr/share/doc/bind9-cn/examples"
  34 echo "CN: Make sure you change them appropriately *before* running Bind9 service!"
  35
  36 #variables
  37 cp_get_ifaddr
  38 CARNET_IPADDR=$RET
  39 cp_get_netaddr
  40 CARNET_NETADDR=$RET
  41 CARNET_HOSTNAME=`hostname`
  42 CARNET_DOMAINNAME=`hostname --domain`
  43 CARNET_REV=`echo $CARNET_IPADDR | awk -F. '{ print $3 "." $2 "." $1 ".in-addr.arpa" }'`
  44 SERNO=`date +%Y%m%d01`
  45 BROJ=`echo $CARNET_IPADDR | cut -d. -f4`
  46
  47 echo "CN: Generating Bind9 examples in /usr/share/doc/bind9-cn/examples"
  48
  49 # make example named.conf.local
  50 cat > /usr/share/doc/bind9-cn/examples/named.conf.local <<EOF
  51 zone "$CARNET_DOMAINNAME" in {
  52     type master;
  53     file "/etc/bind/hosts.db";
  54 };
  55
  56 zone "$CARNET_REV" in {
  57     type master;
  58     file "/etc/bind/hosts.rev";
  59 };
  60 EOF
  61
  62 # make example named.conf.options
  63 cat > /usr/share/doc/bind9-cn/examples/named.conf.options <<EOF
  64 acl "xfer" {
  65     161.53.2.70;
  66     161.53.123.3;
  67     161.53.3.7;
  68     127.0.0.1;
  69 };
  70
  71 acl "trusted" {
  72     $CARNET_NETADDR;
  73     127.0.0.0/8;
  74 };
  75
  76 options {
  77     directory "/etc/bind";
  78     auth-nxdomain no;
  79     allow-transfer { xfer; };
  80     allow-recursion { trusted; };
  81     version "No version.";
  82     transfer-format many-answers;
  83     max-transfer-time-in 90;
  84     interface-interval 0;
  85     notify yes;
  86     listen-on-v6 { none; };
  87 };
  88
  89 logging {
  90     category lame-servers { null; };
  91 };
  92 EOF
  93
  94 # make example hosts.db
  95 cat > /usr/share/doc/bind9-cn/examples/hosts.db <<EOF
  96 \$TTL 86400
  97 @  SOA  $CARNET_HOSTNAME.$CARNET_DOMAINNAME. hostmaster.$CARNET_HOSTNAME.$CARNET_DOMAINNAME. (
  98     $SERNO   ; Serial
  99     28800    ; Refresh
 100     7200     ; Retry
 101     604800   ; Expire
 102     86400 )  ; Minimum
 103     NS  $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 104     NS  bjesomar.srce.hr.
 105     A   $CARNET_IPADDR
 106     MX  5   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 107
 108 localhost.$CARNET_DOMAINNAME.   A       127.0.0.1
 109 $CARNET_HOSTNAME.$CARNET_DOMAINNAME.      A     $CARNET_IPADDR
 110
 111 dns         CNAME   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 112 ns          CNAME   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 113 www         CNAME   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 114 proxy       CNAME   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 115 mail        CNAME   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 116 smtp        CNAME   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 117 pop         CNAME   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 118 imap        CNAME   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 119 ftp         CNAME   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 120 ntp         CNAME   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 121 EOF
 122
 123 # make example hosts.rev
 124 cat > /usr/share/doc/bind9-cn/examples/hosts.rev <<EOF
 125 \$TTL 86400
 126 @  SOA  $CARNET_HOSTNAME.$CARNET_DOMAINNAME. hostmaster.$CARNET_HOSTNAME.$CARNET_DOMAINNAME. (
 127     $SERNO       ; Serial
 128     28800   ; Refresh
 129     7200    ; Retry
 130     604800  ; Expire
 131     86400 ) ; Minimum
 132     NS  $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 133     NS  bjesomar.srce.hr.
 134
 135 $BROJ   PTR   $CARNET_HOSTNAME.$CARNET_DOMAINNAME.
 136 EOF
 137
 138 # make example hosts
 139 cat > /usr/share/doc/bind9-cn/examples/hosts <<EOF
 140 # /etc/hosts - names & shortcuts to various hosts
 141 127.0.0.1       localhost.$CARNET_DOMAINNAME localhost
 142 $CARNET_IPADDR      $CARNET_HOSTNAME.$CARNET_DOMAINNAME $CARNET_HOSTNAME
 143 EOF
 144
 145 # make example resolv.conf
 146 cat > /usr/share/doc/bind9-cn/examples/resolv.conf <<EOF
 147 search $CARNET_DOMAINNAME
 148 nameserver 127.0.0.1
 149 nameserver 161.53.123.3
 150 nameserver 161.53.160.3
 151 EOF
 152
 153 # check if named.conf has lame server logging
 154 script='/^logging/,/^}/ { if ($0 ~ /category lame-servers/) { print "yes"; exit } }'
 155 lameconf=
 156 if [ -e /etc/bind/named.conf.options -a -e /etc/bind/named.conf ]; then
 157   lameconf=$(cat /etc/bind/named.conf /etc/bind/named.conf.options | awk "$script")
 158 else
 159     if [ -e /etc/bind/named.conf ]; then
 160       lameconf=$(awk "$script" /etc/bind/named.conf)
 161     fi
 162 fi
 163 if [ "x$lameconf" != "xyes" ]; then
 164   if [ ! -e /etc/bind/named.conf.options ]; then
 165     touch /etc/bind/named.conf.options
 166   fi
 167   cp /etc/bind/named.conf.options /etc/bind/named.conf.options.$$
 168   cp-update bind9-cn /etc/bind/named.conf.options.$$ <<EOF
 169 logging {
 170     category lame-servers { null; };
 171 };
 172 EOF
 173   cp_mv /etc/bind/named.conf.options.$$ /etc/bind/named.conf.options
 174
 175   # reload
 176   echo "CN: Added lame-servers logging exclusion to named.conf.options"
 177   rndc reload || echo "CN: Reload didn't work, please check manually"
 178 fi
 179
 180 if [ -e /etc/bind/named.conf.options ] && \
 181     fgrep -q 'query-source address * port 53' \
 182         /etc/bind/named.conf.options; then
 183         fgrep -v 'query-source address * port 53' \
 184             /etc/bind/named.conf.options > /etc/bind/named.conf.options.$$
 185     cp_mv /etc/bind/named.conf.options.$$ /etc/bind/named.conf.options
 186     echo "CN: Removing obsolete query-source directive"
 187     rndc reload || echo "CN: Reload didn't work, please check manually"
 188 fi
 189
 190 # dh_installdeb will replace this with shell code automatically
 191 # generated by other debhelper scripts.
 192
 193 #DEBHELPER#
 194
 195 exit 0