10 |
use IO::Socket::INET; |
use IO::Socket::INET; |
11 |
use File::Slurp; |
use File::Slurp; |
12 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
13 |
|
use Net::Ping; |
14 |
|
|
15 |
use lib 'lib'; |
use lib 'lib'; |
16 |
use Net::DHCP::Packet; |
use Net::DHCP::Packet; |
61 |
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|
62 |
mkdir $_ foreach grep { ! -e $_ } map { "$conf/$_" } ( 'ip', 'mac' ); |
mkdir $_ foreach grep { ! -e $_ } map { "$conf/$_" } ( 'ip', 'mac' ); |
63 |
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64 |
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my $p = Net::Ping->new; |
65 |
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66 |
my $prefix = $server_ip; |
my $prefix = $server_ip; |
67 |
$prefix =~ s{\.\d+$}{.}; |
$prefix =~ s{\.\d+$}{.}; |
68 |
my $ip = $prefix . $addr; |
my $ip = $prefix . $addr; |
69 |
while ( -e "conf/ip/$ip" ) { |
while ( -e "conf/ip/$ip" || $p->ping( $ip ) ) { |
70 |
$ip = $prefix . $addr++; |
$ip = $prefix . $addr++; |
71 |
die "all addresses allocated!" if $addr == $ip_to; |
die "all addresses allocated!" if $addr == $ip_to; |
72 |
} |
} |
73 |
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|
74 |
write_file "$conf/mac/$mac", $ip; |
write_file "$conf/mac/$mac", $ip; |
75 |
unlink "$conf/ip/$ip" if -e "$conf/ip/$ip"; |
if ( -l "$conf/ip/$ip" && readlink "$conf/ip/$ip" ne "$conf/mac/$mac") { |
76 |
symlink "$conf/mac/$mac", "$conf/ip/$ip"; |
unlink "$conf/ip/$ip"; |
77 |
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symlink "$conf/mac/$mac", "$conf/ip/$ip"; |
78 |
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warn "$mac IP changed to $ip"; |
79 |
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} |
80 |
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81 |
print "$mac NEW $ip\n"; |
print "$mac NEW $ip\n"; |
82 |
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|
123 |
Giaddr => $dhcp->giaddr(), |
Giaddr => $dhcp->giaddr(), |
124 |
Chaddr => $dhcp->chaddr(), |
Chaddr => $dhcp->chaddr(), |
125 |
File => $file, |
File => $file, |
|
# DHO_DHCP_MESSAGE_TYPE() => DHCPACK(), |
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# DHO_SUBNET_MASK() => '255.255.255.0', |
|
126 |
}; |
}; |
127 |
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|
128 |
my $messagetype = $dhcp->getOptionValue(DHO_DHCP_MESSAGE_TYPE()); |
my $messagetype = $dhcp->getOptionValue(DHO_DHCP_MESSAGE_TYPE()); |
135 |
my $requested_ip = $dhcp->getOptionValue(DHO_DHCP_REQUESTED_ADDRESS()); |
my $requested_ip = $dhcp->getOptionValue(DHO_DHCP_REQUESTED_ADDRESS()); |
136 |
warn "DHCP REQUEST $requested_ip"; |
warn "DHCP REQUEST $requested_ip"; |
137 |
if ( $ip eq $requested_ip ) { |
if ( $ip eq $requested_ip ) { |
138 |
$packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPACK(); |
$packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPACK(); |
139 |
$packet->{DHO_DHCP_LEASE_TIME()} = 100; |
$packet->{DHO_DHCP_LEASE_TIME()} = 5 * 60; # 5 min |
140 |
|
# $packet->{DHO_DHCP_SERVER_IDENTIFIER()} = $server_ip; # FIXME |
141 |
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$packet->{DHO_SUBNET_MASK()} = '255.255.255.0'; |
142 |
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$packet->{DHO_ROUTERS()} = $server_ip; |
143 |
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# $packet->{DHO_DOMAIN_NAME()} = 'pxelator.lan'; |
144 |
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# $packet->{DHO_NAME_SERVERS()} = $server_ip; |
145 |
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# $packet->{DHO_ROOT_PATH()} = '/exports/foobar'; |
146 |
} else { |
} else { |
147 |
$packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPNAK(); |
$packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPNAK(); |
148 |
$packet->{DHO_DHCP_MESSAGE()} = "Bad request, expected $ip"; |
$packet->{DHO_DHCP_MESSAGE()} = "Bad request, expected $ip"; |