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; |
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use Module::Refresh; |
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22 |
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23 |
use lib '..'; |
use lib '..'; |
24 |
use Net::DHCP::Packet; |
use Net::DHCP::Packet; |
75 |
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76 |
use log; |
use log; |
77 |
use config; |
use config; |
78 |
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use pxelinux; |
79 |
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|
80 |
our $file; |
our $file; |
81 |
our $transaction = 0; # FIXME predictible transaction numbers |
our $transaction = 0; # FIXME predictible transaction numbers |
83 |
sub process_packet { |
sub process_packet { |
84 |
my $sock = shift; |
my $sock = shift; |
85 |
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86 |
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server->refresh; |
87 |
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88 |
my $buf; |
my $buf; |
89 |
$sock->recv($buf, 1024); |
$sock->recv($buf, 1024); |
90 |
my $size = 'empty'; |
my $size = 'empty'; |
126 |
Giaddr => $dhcp->giaddr(), |
Giaddr => $dhcp->giaddr(), |
127 |
Chaddr => $dhcp->chaddr(), |
Chaddr => $dhcp->chaddr(), |
128 |
File => $file, |
File => $file, |
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DHO_PXELINUX_MAGIC() => 0xF100747E, |
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DHO_PXELINUX_CONFIG_FILE() => 'pxelinux.cfg/default', |
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DHO_PXELINUX_PATH_PREFIX() => 'live-helper/tftpboot/', |
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DHO_PXELINUX_REBOOT_TIME() => 5, # default: 300 s |
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129 |
}; |
}; |
130 |
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131 |
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foreach my $opt ( 'magic', 'config_file', 'path_prefix', 'reboot_time' ) { |
132 |
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my $DH0 = eval 'DHO_PXELINUX_' . uc $opt; |
133 |
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warn "DH0: $@" if $@; |
134 |
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my $v = eval "\$pxelinux::$opt"; |
135 |
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warn "v: $@" if $@; |
136 |
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next unless defined $v; |
137 |
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warn "pxelinux dhcp option $opt = $DH0 = $v"; |
138 |
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$packet->{ $DH0 } = $v; |
139 |
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} |
140 |
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141 |
my $messagetype = $dhcp->getOptionValue(DHO_DHCP_MESSAGE_TYPE()); |
my $messagetype = $dhcp->getOptionValue(DHO_DHCP_MESSAGE_TYPE()); |
142 |
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|
143 |
if ($messagetype eq DHCPDISCOVER()) { |
if ($messagetype eq DHCPDISCOVER()) { |
168 |
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169 |
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; |
170 |
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171 |
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warn "## created packet ", dump( $packet ); |
172 |
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173 |
$packet = new Net::DHCP::Packet( %$packet ); |
$packet = new Net::DHCP::Packet( %$packet ); |
174 |
warn "send ",$packet->toString() if $debug; |
warn "send ",$packet->toString() if $debug; |
175 |
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|
207 |
print "DHCP listen on ",$sock->sockhost,":",$sock->sockport,"\n"; |
print "DHCP listen on ",$sock->sockhost,":",$sock->sockport,"\n"; |
208 |
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|
209 |
while (1) { |
while (1) { |
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Module::Refresh->refresh; |
|
210 |
process_packet $sock; |
process_packet $sock; |
211 |
} |
} |
212 |
} |
} |