#!/usr/bin/perl -w -I/www/cgi-bin

# this script generates the olsrd config file
# static part comes from /etc/config/olsrd.conf
# dynamic part depends on the node configuration

use perlfunc;

@names = @hosts = @services = ();

# canonical names for this node
# (they show up in reverse order, make the "official" name last)
push @names, $name if ($name = nvram_get("tactical"));
push @names, $name if ($name = nvram_get("node"));

unless(-f "/etc/config/olsrd.conf")
{
    print STDERR "Error: config file /etc/config/olsrd.conf not found\n";
    exit 1;
}

# load the base file
@file = `cat /etc/config/olsrd.conf`;

# load the dhcp reservations when in dmz mode
if(-f "/etc/config/dmz-mode")
{
    #($lanip, $lanmask, $lanbcast, $lannet) = get_ip4_network("eth0.0");
    foreach(`cat /etc/ethers`)
    {
	next unless ($ip) = /[0-9a-f:]+\s+([\d\.]+)/i;
	next unless $host = ip2hostname($ip);
	push @hosts, qq("$ip" "$host");
    }
}

# load the services
foreach(`cat /etc/config/services 2>/dev/null`)
{
    next unless /^\w+:\/\/[\w\-\.]+:\d+(\/[^\|]*)?\|(tcp|udp)\|\w/;
    chomp;
    push @services, $_;
}


# add the nameservice plugin
push @file, qq(\nLoadPlugin "olsrd_nameservice.so.0.3"\n);
push @file, qq({\n);
push @file, qq(    PlParam "sighup-pid-file" "/var/run/dnsmasq.pid"\n);
push @file, qq(    PlParam "interval" "30"\n);
push @file, qq(    PlParam "timeout" "300"\n);
push @file, qq(    PlParam "name-change-script" "touch /tmp/namechange"\n);
#push @file, qq(    PlParam "lat" "1"\n);
#push @file, qq(    PlParam "lon" "2"\n);
#push @file, qq(    PlParam "laton-file" "/var/run/latlon.js"\n);
#push @file, qq(    PlParam "laton-infile" "/tmp/latlon.txt"\n);
foreach(@names)    { push @file, qq(    PlParam "name" "$_"\n) }
foreach(@hosts)    { push @file, qq(    PlParam $_\n) }
foreach(@services) { push @file, qq(    PlParam "service" "$_"\n) }
push @file, qq(}\n);

# write the file
open(FILE, ">/tmp/olsrd.conf") or die;
print FILE @file;
close(FILE);