3b727ca6ac
- Reorganize patches by feature/bug per packaging guidelines (#225691) - Move the following files from patches to source files: linux.dbus-example, linux, Makefile.dist, dhcp4client.h, libdhcp_control.h - Compile with -fno-strict-aliasing as ISC coding standards generally don't agree well with gcc 4.x.x
518 lines
10 KiB
Perl
Executable File
518 lines
10 KiB
Perl
Executable File
#!/usr/bin/perl -w
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# Brian Masney <masneyb@ntelos.net>
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# To use this script, set your base DN below. Then run
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# ./dhcpd-conf-to-ldap.pl < /path-to-dhcpd-conf/dhcpd.conf > output-file
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# The output of this script will generate entries in LDIF format. You can use
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# the slapadd command to add these entries into your LDAP server. You will
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# definately want to double check that your LDAP entries are correct before
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# you load them into LDAP.
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# This script does not do much error checking. Make sure before you run this
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# that the DHCP server doesn't give any errors about your config file
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use Sys::Hostname;
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my $basedn = "dc=ntelos, dc=net";
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sub next_token
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{
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local ($lowercase) = @_;
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local ($token, $newline);
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do
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{
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if (!defined ($line) || length ($line) == 0)
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{
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$line = <>;
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return undef if !defined ($line);
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chop $line;
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$line_number++;
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$token_number = 0;
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}
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$line =~ s/#.*//;
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$line =~ s/^\s+//;
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$line =~ s/\s+$//;
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}
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while (length ($line) == 0);
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if (($token, $newline) = $line =~ /^(.*?)\s+(.*)/)
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{
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$line = $newline;
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}
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else
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{
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$token = $line;
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$line = '';
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}
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$token_number++;
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$token =~ y/[A-Z]/[a-z]/ if $lowercase;
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return ($token);
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}
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sub remaining_line
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{
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local ($tmp, $str);
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$str = "";
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while (($tmp = next_token (0)))
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{
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$str .= ' ' if !($str eq "");
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$str .= $tmp;
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last if $tmp =~ /;\s*$/;
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}
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$str =~ s/;$//;
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return ($str);
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}
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sub
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add_dn_to_stack
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{
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local ($dn) = @_;
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$current_dn = "$dn, $current_dn";
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}
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sub
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remove_dn_from_stack
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{
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$current_dn =~ s/^.*?,\s*//;
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}
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sub
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parse_error
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{
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print "Parse error on line number $line_number at token number $token_number\n";
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exit (1);
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}
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sub
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print_entry
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{
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return if (scalar keys %curentry == 0);
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if (!defined ($curentry{'type'}))
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{
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$host = hostname ();
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$hostdn = "cn=$host, $basedn";
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print "dn: $hostdn\n";
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print "objectClass: top\n";
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print "objectClass: dhcpServer\n";
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print "cn: $host\n";
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print "dhcpServiceDN: $current_dn\n\n";
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print "dn: $current_dn\n";
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print "cn: DHCP Config\n";
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print "objectClass: top\n";
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print "objectClass: dhcpService\n";
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if (defined ($curentry{'options'}))
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{
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print "objectClass: dhcpOptions\n";
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}
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print "dhcpPrimaryDN: $hostdn\n";
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}
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elsif ($curentry{'type'} eq 'subnet')
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{
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print "dn: $current_dn\n";
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print "cn: " . $curentry{'ip'} . "\n";
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print "objectClass: top\n";
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print "objectClass: dhcpSubnet\n";
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if (defined ($curentry{'options'}))
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{
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print "objectClass: dhcpOptions\n";
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}
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print "dhcpNetMask: " . $curentry{'netmask'} . "\n";
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if (defined ($curentry{'range'}))
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{
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print "dhcpRange: " . $curentry{'range'} . "\n";
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}
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}
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elsif ($curentry{'type'} eq 'shared-network')
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{
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print "dn: $current_dn\n";
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print "cn: " . $curentry{'descr'} . "\n";
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print "objectClass: top\n";
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print "objectClass: dhcpSharedNetwork\n";
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if (defined ($curentry{'options'}))
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{
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print "objectClass: dhcpOptions\n";
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}
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}
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elsif ($curentry{'type'} eq 'group')
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{
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print "dn: $current_dn\n";
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print "cn: group\n";
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print "objectClass: top\n";
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print "objectClass: dhcpGroup\n";
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if (defined ($curentry{'options'}))
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{
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print "objectClass: dhcpOptions\n";
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}
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}
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elsif ($curentry{'type'} eq 'host')
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{
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print "dn: $current_dn\n";
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print "cn: " . $curentry{'host'} . "\n";
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print "objectClass: top\n";
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print "objectClass: dhcpHost\n";
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if (defined ($curentry{'options'}))
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{
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print "objectClass: dhcpOptions\n";
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}
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if (defined ($curentry{'hwaddress'}))
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{
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print "dhcpHWAddress: " . $curentry{'hwaddress'} . "\n";
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}
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}
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elsif ($curentry{'type'} eq 'pool')
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{
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print "dn: $current_dn\n";
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print "cn: pool\n";
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print "objectClass: top\n";
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print "objectClass: dhcpPool\n";
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if (defined ($curentry{'options'}))
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{
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print "objectClass: dhcpOptions\n";
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}
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if (defined ($curentry{'range'}))
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{
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print "dhcpRange: " . $curentry{'range'} . "\n";
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}
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}
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elsif ($curentry{'type'} eq 'class')
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{
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print "dn: $current_dn\n";
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print "cn: " . $curentry{'class'} . "\n";
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print "objectClass: top\n";
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print "objectClass: dhcpClass\n";
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if (defined ($curentry{'options'}))
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{
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print "objectClass: dhcpOptions\n";
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}
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}
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elsif ($curentry{'type'} eq 'subclass')
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{
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print "dn: $current_dn\n";
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print "cn: " . $curentry{'subclass'} . "\n";
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print "objectClass: top\n";
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print "objectClass: dhcpSubClass\n";
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if (defined ($curentry{'options'}))
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{
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print "objectClass: dhcpOptions\n";
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}
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print "dhcpClassData: " . $curentry{'class'} . "\n";
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}
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if (defined ($curentry{'statements'}))
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{
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foreach $statement (@{$curentry{'statements'}})
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{
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print "dhcpStatements: $statement\n";
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}
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}
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if (defined ($curentry{'options'}))
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{
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foreach $statement (@{$curentry{'options'}})
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{
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print "dhcpOption: $statement\n";
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}
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}
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print "\n";
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undef (%curentry);
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}
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sub parse_netmask
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{
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local ($netmask) = @_;
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local ($i);
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if ((($a, $b, $c, $d) = $netmask =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/) != 4)
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{
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parse_error ();
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}
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$num = (($a & 0xff) << 24) |
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(($b & 0xff) << 16) |
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(($c & 0xff) << 8) |
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($d & 0xff);
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for ($i=1; $i<=32 && $num & (1 << (32 - $i)); $i++)
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{
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}
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$i--;
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return ($i);
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}
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sub parse_subnet
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{
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local ($ip, $tmp, $netmask);
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print_entry () if %curentry;
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$ip = next_token (0);
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parse_error () if !defined ($ip);
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$tmp = next_token (1);
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parse_error () if !defined ($tmp);
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parse_error () if !($tmp eq 'netmask');
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$tmp = next_token (0);
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parse_error () if !defined ($tmp);
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$netmask = parse_netmask ($tmp);
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$tmp = next_token (0);
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parse_error () if !defined ($tmp);
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parse_error () if !($tmp eq '{');
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add_dn_to_stack ("cn=$ip");
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$curentry{'type'} = 'subnet';
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$curentry{'ip'} = $ip;
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$curentry{'netmask'} = $netmask;
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}
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sub parse_shared_network
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{
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local ($descr, $tmp);
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print_entry () if %curentry;
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$descr = next_token (0);
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parse_error () if !defined ($descr);
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$tmp = next_token (0);
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parse_error () if !defined ($tmp);
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parse_error () if !($tmp eq '{');
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add_dn_to_stack ("cn=$descr");
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$curentry{'type'} = 'shared-network';
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$curentry{'descr'} = $descr;
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}
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sub parse_host
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{
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local ($descr, $tmp);
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print_entry () if %curentry;
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$host = next_token (0);
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parse_error () if !defined ($host);
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$tmp = next_token (0);
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parse_error () if !defined ($tmp);
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parse_error () if !($tmp eq '{');
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add_dn_to_stack ("cn=$host");
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$curentry{'type'} = 'host';
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$curentry{'host'} = $host;
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}
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sub parse_group
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{
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local ($descr, $tmp);
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print_entry () if %curentry;
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$tmp = next_token (0);
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parse_error () if !defined ($tmp);
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parse_error () if !($tmp eq '{');
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add_dn_to_stack ("cn=group");
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$curentry{'type'} = 'group';
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}
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sub parse_pool
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{
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local ($descr, $tmp);
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print_entry () if %curentry;
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$tmp = next_token (0);
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parse_error () if !defined ($tmp);
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parse_error () if !($tmp eq '{');
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add_dn_to_stack ("cn=pool");
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$curentry{'type'} = 'pool';
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}
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sub parse_class
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{
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local ($descr, $tmp);
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print_entry () if %curentry;
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$class = next_token (0);
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parse_error () if !defined ($class);
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$tmp = next_token (0);
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parse_error () if !defined ($tmp);
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parse_error () if !($tmp eq '{');
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$class =~ s/\"//g;
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add_dn_to_stack ("cn=$class");
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$curentry{'type'} = 'class';
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$curentry{'class'} = $class;
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}
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sub parse_subclass
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{
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local ($descr, $tmp);
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print_entry () if %curentry;
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$class = next_token (0);
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parse_error () if !defined ($class);
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$subclass = next_token (0);
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parse_error () if !defined ($subclass);
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$tmp = next_token (0);
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parse_error () if !defined ($tmp);
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parse_error () if !($tmp eq '{');
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add_dn_to_stack ("cn=$subclass");
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$curentry{'type'} = 'subclass';
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$curentry{'class'} = $class;
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$curentry{'subclass'} = $subclass;
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}
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sub parse_hwaddress
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{
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local ($type, $hw, $tmp);
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$type = next_token (0);
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parse_error () if !defined ($type);
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$hw = next_token (0);
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parse_error () if !defined ($hw);
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$hw =~ s/;$//;
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$curentry{'hwaddress'} = "$type $hw";
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}
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sub parse_range
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{
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local ($tmp, $str);
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$str = remaining_line ();
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if (!($str eq ''))
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{
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$str =~ s/;$//;
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$curentry{'range'} = $str;
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}
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}
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sub parse_statement
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{
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local ($token) = shift;
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local ($str);
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if ($token eq 'option')
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{
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$str = remaining_line ();
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push (@{$curentry{'options'}}, $str);
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}
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else
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{
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$str = $token . " " . remaining_line ();
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push (@{$curentry{'statements'}}, $str);
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}
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}
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my $token;
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my $token_number = 0;
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my $line_number = 0;
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my %curentry;
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$current_dn = "cn=DHCP Config, $basedn";
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$curentry{'descr'} = 'DHCP Config';
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$line = '';
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while (($token = next_token (1)))
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{
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if ($token eq '}')
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{
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print_entry () if %curentry;
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remove_dn_from_stack ();
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}
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elsif ($token eq 'subnet')
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{
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parse_subnet ();
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next;
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}
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elsif ($token eq 'shared-network')
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{
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parse_shared_network ();
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next;
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}
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elsif ($token eq 'class')
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{
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parse_class ();
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next;
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}
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elsif ($token eq 'subclass')
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{
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parse_subclass ();
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next;
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}
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elsif ($token eq 'pool')
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{
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parse_pool ();
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next;
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}
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elsif ($token eq 'group')
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{
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parse_group ();
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next;
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}
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elsif ($token eq 'host')
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{
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parse_host ();
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next;
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}
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elsif ($token eq 'hardware')
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{
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parse_hwaddress ();
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next;
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}
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elsif ($token eq 'range')
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{
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parse_range ();
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next;
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}
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else
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{
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parse_statement ($token);
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next;
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}
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}
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