19 |
use File::Slurp; |
use File::Slurp; |
20 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
21 |
use Net::Ping; |
use Net::Ping; |
|
use Module::Refresh; |
|
22 |
|
|
23 |
use lib '..'; |
use lib '..'; |
24 |
use Net::DHCP::Packet; |
use Net::DHCP::Packet; |
49 |
return $ip; |
return $ip; |
50 |
} |
} |
51 |
|
|
|
mkdir $_ foreach grep { ! -e $_ } map { "$conf/$_" } ( 'ip', 'mac' ); |
|
|
|
|
52 |
my $p = Net::Ping->new; |
my $p = Net::Ping->new; |
53 |
|
|
54 |
my $prefix = $server::ip; |
my $prefix = $server::ip; |
55 |
$prefix =~ s{\.\d+$}{.}; |
$prefix =~ s{\.\d+$}{.}; |
56 |
my $ip = $prefix . $addr; |
my $ip = $prefix . $addr; |
57 |
while ( -e "conf/ip/$ip" || $p->ping( $ip ) ) { |
while ( -e "$conf/ip/$ip" || $p->ping( $ip ) ) { |
58 |
$ip = $prefix . $addr++; |
$ip = $prefix . $addr++; |
59 |
die "all addresses allocated!" if $addr == $server::ip_to; |
die "all addresses allocated!" if $addr == $server::ip_to; |
60 |
} |
} |
61 |
|
|
62 |
write_file "$conf/mac/$mac", $ip; |
write_file "$conf/mac/$mac", $ip; |
63 |
if ( -l "$conf/ip/$ip" && readlink "$conf/ip/$ip" ne "$conf/mac/$mac") { |
|
64 |
|
if ( -l "$conf/ip/$ip" && readlink "$conf/ip/$ip" ne "$conf/mac/$mac" ) { |
65 |
unlink "$conf/ip/$ip"; |
unlink "$conf/ip/$ip"; |
66 |
symlink "$conf/mac/$mac", "$conf/ip/$ip"; |
warn "$mac IP changed from ", readlink "$conf/ip/$ip", " to $ip"; |
67 |
warn "$mac IP changed to $ip"; |
}; |
68 |
} |
symlink "$conf/mac/$mac", "$conf/ip/$ip"; |
69 |
|
|
70 |
print "$mac NEW $ip\n"; |
print "$mac NEW $ip\n"; |
71 |
|
|
74 |
|
|
75 |
use log; |
use log; |
76 |
use config; |
use config; |
77 |
|
use pxelinux; |
78 |
|
|
79 |
our $file; |
our $file; |
80 |
our $transaction = 0; # FIXME predictible transaction numbers |
our $transaction = 0; # FIXME predictible transaction numbers |
82 |
sub process_packet { |
sub process_packet { |
83 |
my $sock = shift; |
my $sock = shift; |
84 |
|
|
85 |
|
server->refresh; |
86 |
|
|
87 |
my $buf; |
my $buf; |
88 |
$sock->recv($buf, 1024); |
$sock->recv($buf, 1024); |
89 |
my $size = 'empty'; |
my $size = 'empty'; |
127 |
File => $file, |
File => $file, |
128 |
}; |
}; |
129 |
|
|
130 |
|
foreach my $opt ( 'magic', 'config_file', 'path_prefix', 'reboot_time' ) { |
131 |
|
my $DH0 = eval 'DHO_PXELINUX_' . uc $opt; |
132 |
|
warn "DH0: $@" if $@; |
133 |
|
my $v = eval "\$pxelinux::$opt"; |
134 |
|
warn "v: $@" if $@; |
135 |
|
next unless defined $v; |
136 |
|
warn "pxelinux dhcp option $opt = $DH0 = $v"; |
137 |
|
$packet->{ $DH0 } = $v; |
138 |
|
} |
139 |
|
|
140 |
my $messagetype = $dhcp->getOptionValue(DHO_DHCP_MESSAGE_TYPE()); |
my $messagetype = $dhcp->getOptionValue(DHO_DHCP_MESSAGE_TYPE()); |
141 |
|
|
142 |
if ($messagetype eq DHCPDISCOVER()) { |
if ($messagetype eq DHCPDISCOVER()) { |
152 |
# $packet->{DHO_DHCP_SERVER_IDENTIFIER()} = $server::ip; # FIXME |
# $packet->{DHO_DHCP_SERVER_IDENTIFIER()} = $server::ip; # FIXME |
153 |
$packet->{DHO_SUBNET_MASK()} = '255.255.255.0'; |
$packet->{DHO_SUBNET_MASK()} = '255.255.255.0'; |
154 |
$packet->{DHO_ROUTERS()} = $server::ip; |
$packet->{DHO_ROUTERS()} = $server::ip; |
155 |
# $packet->{DHO_DOMAIN_NAME()} = 'pxelator.lan'; |
$packet->{DHO_DOMAIN_NAME()} = 'pxelator.lan'; |
156 |
# $packet->{DHO_NAME_SERVERS()} = $server::ip; |
$packet->{DHO_NAME_SERVERS()} = $server::ip; |
157 |
# $packet->{DHO_ROOT_PATH()} = '/exports/foobar'; |
# $packet->{DHO_ROOT_PATH()} = '/exports/foobar'; |
158 |
} else { |
} else { |
159 |
$packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPNAK(); |
$packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPNAK(); |
167 |
|
|
168 |
warn ">> $mac == $ip server: $server::ip", $file ? " file: $file\n" : "\n" if $debug; |
warn ">> $mac == $ip server: $server::ip", $file ? " file: $file\n" : "\n" if $debug; |
169 |
|
|
170 |
|
warn "## created packet ", dump( $packet ); |
171 |
|
|
172 |
$packet = new Net::DHCP::Packet( %$packet ); |
$packet = new Net::DHCP::Packet( %$packet ); |
173 |
warn "send ",$packet->toString() if $debug; |
warn "send ",$packet->toString() if $debug; |
174 |
|
|
206 |
print "DHCP listen on ",$sock->sockhost,":",$sock->sockport,"\n"; |
print "DHCP listen on ",$sock->sockhost,":",$sock->sockport,"\n"; |
207 |
|
|
208 |
while (1) { |
while (1) { |
|
Module::Refresh->refresh; |
|
209 |
process_packet $sock; |
process_packet $sock; |
210 |
} |
} |
211 |
} |
} |