/[pxelator]/bin/dhcpd.pl
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 27 by dpavlin, Wed Jul 29 00:46:29 2009 UTC revision 33 by dpavlin, Wed Jul 29 12:23:47 2009 UTC
# Line 69  sub client_ip { Line 69  sub client_ip {
69          }          }
70    
71          write_file "$conf/mac/$mac", $ip;          write_file "$conf/mac/$mac", $ip;
72          unlink     "$conf/ip/$ip" if -e "$conf/ip/$ip";          if ( -l "$conf/ip/$ip" && readlink "$conf/ip/$ip" ne "$conf/mac/$mac") {
73          symlink    "$conf/mac/$mac", "$conf/ip/$ip";                  unlink     "$conf/ip/$ip";
74                    symlink    "$conf/mac/$mac", "$conf/ip/$ip";
75                    warn "$mac IP changed to $ip";
76            }
77    
78          print "$mac NEW $ip\n";          print "$mac NEW $ip\n";
79    
# Line 132  while (1) { Line 135  while (1) {
135                          warn "DHCP REQUEST $requested_ip";                          warn "DHCP REQUEST $requested_ip";
136                          if ( $ip eq $requested_ip ) {                          if ( $ip eq $requested_ip ) {
137                                  $packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPACK();                                  $packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPACK();
138                                    $packet->{DHO_DHCP_LEASE_TIME()}   = 100;
139                          } else {                          } else {
140                                  $packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPNAK();                                  $packet->{DHO_DHCP_MESSAGE_TYPE()} = DHCPNAK();
141                                  $packet->{DHO_DHCP_MESSAGE()} = "Bad request, expected $ip";                                  $packet->{DHO_DHCP_MESSAGE()} = "Bad request, expected $ip";
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