#!/bin/sh
set -o errexit

# First argument of this script is the package name

# Reading system configuration informations, functions and package versions.
source ../sysinfos
source ../functions
source ../packages-list

# Applying patches (if any)
apply_patches ${1}

groupadd -f named
hv_useradd -c BindOwner -g named -m -s /bin/false named

cd ${LFS_TMP}/${1}
./configure \
    --prefix=/usr \
    --sysconfdir=/etc \
    --localstatedir=/var \
    --mandir=/usr/share/man \
    --enable-threads \
    --with-libtool
# Use updated address for L.ROOT-SERVERS.NET.
sed -i "s@198.32.64.12@199.7.83.42@" lib/dns/rootns.c
make
make install

# Enable the execute bit to prevent a warning when using ldd to check library dependencies.
chmod 755 /usr/lib/lib{bind9,isc{,cc,cfg},lwres,dns}.so.*.?.?

cd doc
install -d -m755 /usr/share/doc/${1}/{arm,draft,misc,rfc}
install -m644 arm/*.html /usr/share/doc/${1}/arm
install -m644 draft/*.txt /usr/share/doc/${1}/draft
install -m644 rfc/* /usr/share/doc/${1}/rfc
install -m644 misc/{dnssec,ipv6,migrat*,options,rfc-compliance,roadmap,sdb} \
    /usr/share/doc/${1}/misc

# Generation of a key for use in the named.conf and rdnc.conf files using the rndc-confgen command.
BINDKEY=$(rndc-confgen -b 512 | grep -m 1 "secret" | cut -d '"' -f 2)

cd /home/named
mkdir -p dev etc/namedb/{pz,slave} var/run
rm -f /home/named/dev/null
mknod /home/named/dev/null c 1 3
rm -f /home/named/dev/random
mknod /home/named/dev/random c 1 8
chmod 666 /home/named/dev/{null,random}
cp /etc/localtime /home/named/etc

# Creating the named.conf file from which named will read the location of zone files,
# root name servers and secure DNS keys.
cat > /home/named/etc/named.conf << "EOF"
 options {
     directory "/etc/namedb";
    pid-file "/var/run/named.pid";
    statistics-file "/var/run/named.stats";
       
 };
 controls {
     inet 127.0.0.1 allow { localhost; } keys { rndc_key; };
 };
 key "rndc_key" {
     algorithm hmac-md5;
     secret "_BIND_KEY_";
 };
 zone "." {
     type hint;
     file "root.hints";
 };
 zone "0.0.127.in-addr.arpa" {
     type master;
     file "pz/127.0.0";
 };

// Bind 9 now logs by default through syslog (except debug).
// These are the default logging rules.

logging {
     category default { default_syslog; default_debug; };
     category unmatched { null; };

  channel default_syslog {
      syslog daemon;                      // send to syslog's daemon
                                          // facility
      severity info;                      // only send priority info
                                          // and higher
  };

  channel default_debug {
      file "named.run";                   // write to named.run in
                                          // the working directory
                                          // Note: stderr is used instead
                                          // of "named.run"
                                          // if the server is started
                                          // with the '-f' option.
      severity dynamic;                   // log at the server's
                                          // current debug level
  };

  channel default_stderr {
      stderr;                             // writes to stderr
      severity info;                      // only send priority info
                                          // and higher
  };

  channel null {
     null;                                // toss anything sent to
                                          // this channel
  };
};
EOF
sed -i -e "s!_BIND_KEY_!${BINDKEY}!g" /home/named/etc/named.conf

cat > /etc/rndc.conf << "EOF"
key rndc_key {
algorithm "hmac-md5";
    secret
    "_BIND_KEY_";
    };
options {
    default-server localhost;
    default-key    rndc_key;
};
EOF
sed -i -e "s!_BIND_KEY_!${BINDKEY}!g" /etc/rndc.conf

cat > /home/named/etc/namedb/pz/127.0.0 << "EOF"
$TTL 3D
@      IN      SOA     ns.local.domain. hostmaster.local.domain. (
                        1       ; Serial
                        8H      ; Refresh
                        2H      ; Retry
                        4W      ; Expire
                        1D)     ; Minimum TTL
                NS      ns.local.domain.
1               PTR     localhost.
EOF

cat > /home/named/etc/namedb/root.hints << "EOF"
.                       6D  IN      NS      A.ROOT-SERVERS.NET.
.                       6D  IN      NS      B.ROOT-SERVERS.NET.
.                       6D  IN      NS      C.ROOT-SERVERS.NET.
.                       6D  IN      NS      D.ROOT-SERVERS.NET.
.                       6D  IN      NS      E.ROOT-SERVERS.NET.
.                       6D  IN      NS      F.ROOT-SERVERS.NET.
.                       6D  IN      NS      G.ROOT-SERVERS.NET.
.                       6D  IN      NS      H.ROOT-SERVERS.NET.
.                       6D  IN      NS      I.ROOT-SERVERS.NET.
.                       6D  IN      NS      J.ROOT-SERVERS.NET.
.                       6D  IN      NS      K.ROOT-SERVERS.NET.
.                       6D  IN      NS      L.ROOT-SERVERS.NET.
.                       6D  IN      NS      M.ROOT-SERVERS.NET.
A.ROOT-SERVERS.NET.     6D  IN      A       198.41.0.4
B.ROOT-SERVERS.NET.     6D  IN      A       192.228.79.201
C.ROOT-SERVERS.NET.     6D  IN      A       192.33.4.12
D.ROOT-SERVERS.NET.     6D  IN      A       128.8.10.90
E.ROOT-SERVERS.NET.     6D  IN      A       192.203.230.10
F.ROOT-SERVERS.NET.     6D  IN      A       192.5.5.241
G.ROOT-SERVERS.NET.     6D  IN      A       192.112.36.4
H.ROOT-SERVERS.NET.     6D  IN      A       128.63.2.53
I.ROOT-SERVERS.NET.     6D  IN      A       192.36.148.17
J.ROOT-SERVERS.NET.     6D  IN      A       192.58.128.30
K.ROOT-SERVERS.NET.     6D  IN      A       193.0.14.129
L.ROOT-SERVERS.NET.     6D  IN      A       198.32.64.12
M.ROOT-SERVERS.NET.     6D  IN      A       202.12.27.33
EOF

chown -R named.named /home/named

# Bootscript
install -v -m740 ${SCRDIR}/bootscripts/named /etc/rc.d/init.d

# script-name start stop
bootscript_add_rc3 named 25 65

exit $?