57 lines
1.6 KiB
Plaintext
57 lines
1.6 KiB
Plaintext
{
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# Make sure that dhcpd service is sanely set up, using
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# legacy values if they are available
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my $dhcpd = $DB->get('dhcpd');
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my $status = 'enabled';
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my $old = $DB->get('DHCPServer');
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if (defined $old)
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{
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$status = $old->value;
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$old->delete;
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}
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# Define the dhcpd service unless it is already
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# defined. Make it enabled, unless $DHCPServer
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# told us otherwise.
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$dhcpd ||= $DB->new_record('dhcpd', {
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type => 'service',
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status => $status,
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});
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my $oldstart = '0.0.0.65';
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$old = $DB->get('DHCPServerStart');
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if (defined $old)
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{
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$oldstart = $old->value;
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$old->delete;
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}
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my $oldend = '0.0.0.250';
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$old = $DB->get('DHCPServerEnd');
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if (defined $old)
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{
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$oldend = $old->value;
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$old->delete;
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}
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my $start = $dhcpd->prop('start') || $oldstart;
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my $end = $dhcpd->prop('end') || $oldend;
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$start = esmith::util::IPquadToAddr($start);
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$end = esmith::util::IPquadToAddr($end);
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my $netmask = esmith::util::IPquadToAddr($LocalNetmask);
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my $localnet = esmith::util::IPquadToAddr($LocalIP) & $netmask;
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# AND-out the host bits from the start and end ips.
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# And, OR our local network with our start and end host values.
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$start = $localnet | ($start & ~$netmask);
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$end = $localnet | ($end & ~$netmask);
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# Make sure that $start is less than $end (might not be if netmask has changed
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if ($start > $end)
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{
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my $temp = $start;
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$start = $end;
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$end = $temp;
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}
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# Now save new values
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$dhcpd->merge_props(start => esmith::util::IPaddrToQuad($start),
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end => esmith::util::IPaddrToQuad($end));
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}
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