/[pxelator]/lib/PXElator/network.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 84 by dpavlin, Fri Jul 31 17:35:20 2009 UTC revision 175 by dpavlin, Fri Aug 7 12:26:49 2009 UTC
# Line 14  sub ifconfig { Line 14  sub ifconfig {
14    
15  sub tap {  sub tap {
16    
17            if ( $server::ip !~ m{^172} ) {
18                    warn "W: not configuring tap0 interface!";
19                    return;
20            }
21    
22          my $interfaces = read_file '/etc/network/interfaces';          my $interfaces = read_file '/etc/network/interfaces';
23    
24          if ( $interfaces !~ m{tap0.*$server::ip}s ) {          if ( $interfaces !~ m{tap0}s ) {
25    
26                  system "sudo apt-get install vde2";                  system "sudo apt-get install vde2";
27    
28                  $interfaces .= qq{                  write_file '/tmp/interfaces', qq{
29    
30          iface tap0 inet static  # added by PXElator
31            address $server::ip  iface tap0 inet static
32            netmask $server::netmask          address $server::ip
33            vde2-switch -          netmask $server::netmask
34            vde2-switch -
35            # setup NAT for vde network
36            post-up sysctl -w net.ipv4.ip_forward=1
37            post-up iptables -t nat -A POSTROUTING -s $server::ip/$server::netmask -o wlan0 -j MASQUERADE
38    
39                  };                  };
40    
41                  write_file '/etc/network/interfaces', $interfaces;                  system q|sudo sh -c 'cat /tmp/interfaces >> /etc/network/interfaces'|;
42                    system q|sudo sh -c 'usermod -G vde2-net -a $SUDO_USER'|;
43    
44          }          }
45    
# Line 38  sub tap { Line 48  sub tap {
48                   $ifconfig =~ m{$server::ip}s && return 'up';                   $ifconfig =~ m{$server::ip}s && return 'up';
49                  system("sudo /sbin/ifconfig tap0 $server::ip netmask $server::netmask") == 0 && return "ip changed $server::ip";                  system("sudo /sbin/ifconfig tap0 $server::ip netmask $server::netmask") == 0 && return "ip changed $server::ip";
50                  die "can't change IP address of tap0 to $server::ip";                  die "can't change IP address of tap0 to $server::ip";
51            } else {
52                    die "bring interface up with: sudo ifup tap0\n";
53          }          }
         system("sudo ifup tap0") == 0                           &&      return 'started';  
         die "can't start tap0: $!";  
54  }  }
55    
56  1;  1;
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