/[pxelator]/lib/PXElator/dhcpd.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 94 by dpavlin, Fri Jul 31 20:07:53 2009 UTC revision 128 by dpavlin, Mon Aug 3 19:59:08 2009 UTC
# Line 19  use IO::Socket::INET; Line 19  use IO::Socket::INET;
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;
# Line 27  use Net::DHCP::Constants 0.67; Line 26  use Net::DHCP::Constants 0.67;
26    
27  use server;  use server;
28  my $debug = server::debug;  my $debug = server::debug;
 use pxe;  
29    
30  if ( ! $server::ip ) {  if ( ! $server::ip ) {
31          my $server_ip = `/sbin/ifconfig`;          my $server_ip = `/sbin/ifconfig`;
# Line 35  if ( ! $server::ip ) { Line 33  if ( ! $server::ip ) {
33          $server::ip = $server_ip;          $server::ip = $server_ip;
34  }  }
35    
36  warn "server ip $server::ip file: $pxe::file range: $server::ip_from - $server::ip_to\n";  warn "server ip $server::ip range: $server::ip_from - $server::ip_to\n";
37    
38  my $addr = $server::ip_from;  my $addr = $server::ip_from;
39    
# Line 75  sub client_ip { Line 73  sub client_ip {
73          return $ip;          return $ip;
74  }  }
75    
76    use log;
77    use config;
78    
79    our $file;
80  our $transaction = 0; # FIXME predictible transaction numbers  our $transaction = 0; # FIXME predictible transaction numbers
81    
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';
# Line 108  sub process_packet { Line 112  sub process_packet {
112    
113  =cut  =cut
114    
115            config::for_ip( $ip );
116    
117          my $packet = {          my $packet = {
118                  Op              => BOOTREPLY(),                  Op              => BOOTREPLY(),
119                  Hops    => $dhcp->hops(),                  Hops    => $dhcp->hops(),
# Line 118  sub process_packet { Line 124  sub process_packet {
124                  Siaddr  => $server::ip,                  Siaddr  => $server::ip,
125                  Giaddr  => $dhcp->giaddr(),                  Giaddr  => $dhcp->giaddr(),
126                  Chaddr  => $dhcp->chaddr(),                  Chaddr  => $dhcp->chaddr(),
127                  File    => $pxe::file,                  File    => $file,
         };  
128    
129          pxe::config_for_ip( $ip );                  DHO_PXELINUX_MAGIC()       => 0xF100747E,
130                    DHO_PXELINUX_CONFIG_FILE() => 'pxelinux.cfg/default',
131                    DHO_PXELINUX_PATH_PREFIX() => 'live-helper/tftpboot/',
132                    DHO_PXELINUX_REBOOT_TIME() => 5, # default: 300 s
133            };
134    
135          my $messagetype = $dhcp->getOptionValue(DHO_DHCP_MESSAGE_TYPE());          my $messagetype = $dhcp->getOptionValue(DHO_DHCP_MESSAGE_TYPE());
136    
# Line 131  sub process_packet { Line 140  sub process_packet {
140                  $packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPOFFER();                  $packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPOFFER();
141          } elsif ($messagetype eq DHCPREQUEST()) {          } elsif ($messagetype eq DHCPREQUEST()) {
142                  my $requested_ip = $dhcp->getOptionValue(DHO_DHCP_REQUESTED_ADDRESS());                  my $requested_ip = $dhcp->getOptionValue(DHO_DHCP_REQUESTED_ADDRESS());
143                  log::mac $mac, "DHCP REQUEST $requested_ip $ip $pxe::file";                  log::mac $mac, "DHCP REQUEST $requested_ip $ip $file";
144                  if ( $ip eq $requested_ip ) {                  if ( $ip eq $requested_ip ) {
145                          $packet->{DHO_DHCP_MESSAGE_TYPE()}      = DHCPACK();                          $packet->{DHO_DHCP_MESSAGE_TYPE()}      = DHCPACK();
146                          $packet->{DHO_DHCP_LEASE_TIME()}        = 5 * 60; # 5 min                          $packet->{DHO_DHCP_LEASE_TIME()}        = 5 * 60; # 5 min
# Line 151  sub process_packet { Line 160  sub process_packet {
160                  log::mac $mac, "$messagetype igored (bootp?)";                  log::mac $mac, "$messagetype igored (bootp?)";
161          }          }
162    
163          warn ">> $mac == $ip server: $server::ip", $pxe::file ? " pxe file: $pxe::file\n" : "\n" if $debug;          warn ">> $mac == $ip server: $server::ip", $file ? " file: $file\n" : "\n" if $debug;
164    
165          $packet = new Net::DHCP::Packet( %$packet );          $packet = new Net::DHCP::Packet( %$packet );
166          warn "send ",$packet->toString() if $debug;          warn "send ",$packet->toString() if $debug;
# Line 190  sub start { Line 199  sub start {
199          print "DHCP listen on ",$sock->sockhost,":",$sock->sockport,"\n";          print "DHCP listen on ",$sock->sockhost,":",$sock->sockport,"\n";
200    
201          while (1) {          while (1) {
                 Module::Refresh->refresh;  
202                  process_packet $sock;                  process_packet $sock;
203          }          }
204  }  }
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