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|
#!/bin/sh -e
#
# Debian package postinst
# Version 1.2
#
# Robert Leslie <rob@mars.org>
case "$1" in
configure)
# continue below
;;
abort-upgrade|abort-remove|abort-deconfigure)
exit 0
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 0
;;
esac
# Make sure we're running a kernel >= 1.3.56
set -- $(uname -r | sed -e 's/\./ /g' -e 's/-.*$//')
if [ `expr $1 '*' 100000 + $2 '*' 1000 + $3` -lt 103056 ]
then
echo "Warning: BIND requires kernel 1.3.56 or later."
echo "You will probably encounter problems unless or until you upgrade."
echo -n "Press [ENTER] "
read line
fi
umask 022
update-rc.d bind defaults 19 >/dev/null
# Make sure we have a good /etc/named.boot
test ! -L /etc/named.boot || rm -f /etc/named.boot
if [ -e /etc/named.boot ]
then
echo "Moving your /etc/named.boot to /var/named and leaving a symlink ..."
mv -vi /etc/named.boot /var/named/named.boot.old
fi
ln -s ../var/named/named.boot /etc/named.boot
# Handle named.boot configuration
cd /var/named
# Ensure a named.boot file exists
test -e named.boot || cat >named.boot <<EOF
;
; Boot file for name server
;
directory /var/named
; type domain source file
cache . named.root
; Zone boot information and daemon options are kept in other files
include boot.zones
include boot.options
EOF
if [ -f named.boot.old ]
then
cat <<EOF
This version of the Debian bind package uses a special arrangement of files
in /var/named that makes it easy to modify your configuration using the
included \`bindconfig' utility. Would you like your existing files to be
EOF
echo -n "automatically converted to use the new arrangement? [Y] "
read yn
test -n "$yn" || yn="Y"
case "$yn" in
[Nn]*)
echo ""
echo "Okay, leaving your named.boot in place." \
"You will not be able to use"
echo "\`bindconfig' to adjust your configuration."
mv -f named.boot.old named.boot
;;
*)
cat <<EOT
Your named.boot file is being restructured as follows:
/var/named/named.boot.old - your original named.boot
/var/named/named.boot - new file; should not be modified
/var/named/boot.options - named options file; you may modify some
/var/named/boot.zones - named zone configurations; you may modify all
EOT
(
echo "; Please run \`bindconfig' to configure this file" >&4
echo "" >&4
while read line
do
set -- `echo "$line" | tr A-Z a-z`
test $# -gt 0 || { echo "" >&3; continue; }
case "$1" in
directory|cache)
continue
;;
primary)
if [ "localhost" = "$2" -o \
"0.0.127.in-addr.arpa" = "$2" -o \
"127.in-addr.arpa" = "$2" ]
then
echo "$line" >&4
else
echo "$line" >&3
fi
;;
\;*|secondary)
echo "$line" >&3
;;
*)
echo "$line" >&4
;;
esac
done
echo "" >&4
echo ";; Custom configurations may appear below" \
"(will be preserved)" >&4
) <named.boot.old 3>boot.zones 4>boot.options
# mv -f named.boot.old named.boot.old
bindconfig --no-reload
;;
esac
elif [ -f boot.options ]
then
if grep -qi '0\.0\.127\.in-addr\.arpa' boot.options
then
sed -e '/primary.*named\.rev-local/s/0\.0\.127/127/' \
boot.options > boot.options.new
mv -f boot.options.new boot.options
fi
echo -n "Examine or modify your existing BIND configuration? [N] "
read yn
test -n "$yn" || yn="N"
case "$yn" in
[Yy]*)
bindconfig --no-reload
;;
esac
else
bindconfig --no-reload
fi
# Verify /etc/resolv.conf contains a local resolver
if [ -f /etc/resolv.conf ] && \
! grep -q 'nameserver.*127\.0\.0\.1' /etc/resolv.conf
then
cat <<EOF
To be most effective, /etc/resolv.conf should list the IP address of your
local machine (127.0.0.1) as a nameserver. It currently does not.
EOF
echo -n "Would you like this to be added? [Y] "
read yn
test -n "$yn" || yn="Y"
case "$yn" in
[Yy]*)
trap "rm -f /etc/resolv.conf.new" 0
exec 3>/etc/resolv.conf.new
echo "nameserver 127.0.0.1" >&3
cat /etc/resolv.conf >&3
exec 3>&-
mv -f /etc/resolv.conf.new /etc/resolv.conf
trap - 0
;;
esac
fi
# Create /etc/named.conf from named.boot, if none exists...
if [ ! -f /etc/named.conf ]
then
named-bootconf
fi
# Start server
echo -n "Start nameserver daemon now? [Y] "
read yn
test -n "$yn" || yn="Y"
case "$yn" in
[Nn]*)
echo "Not started; to start later, do: /etc/init.d/bind start"
echo -n "Press [ENTER] "
read line
;;
*)
/etc/init.d/bind start
;;
esac
exit 0
|
