| 1 | #!/usr/bin/perl |
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| 2 | |
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| 3 | use strict; |
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| 4 | |
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| 5 | use gateway_lib; |
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| 6 | |
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| 7 | use Getopt::Long; |
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| 8 | |
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| 9 | use IO::File; |
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| 10 | |
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| 11 | my $tapno; |
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| 12 | my $addr; |
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| 13 | my $dest; |
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| 14 | my $iface; |
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| 15 | my $fedkit_dir= "/usr/local/federation"; |
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| 16 | my $perl = "/usr/bin/perl"; |
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| 17 | my $peer; |
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| 18 | my $use_file; |
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| 19 | my %opts = ( |
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| 20 | 'tapno=s' => \$tapno, |
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| 21 | 'addr=s' => \$addr, |
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| 22 | 'dest=s' => \$dest, |
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| 23 | 'peer=s' => \$peer, |
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| 24 | 'use_file', \$use_file, |
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| 25 | ); |
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| 26 | |
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| 27 | exit(20) unless GetOptions(%opts); |
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| 28 | gateway_lib::read_config(gateway_lib::config_filename(), \%opts) |
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| 29 | if $use_file; |
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| 30 | |
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| 31 | die "Only one of dest and addr is allowed\n" if $addr && $dest; |
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| 32 | |
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| 33 | $iface = $dest ? |
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| 34 | gateway_lib::dest_to_iface($dest) : gateway_lib::addr_to_iface($addr) |
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| 35 | if !$iface; |
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| 36 | |
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| 37 | print "iface is $iface\n"; |
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| 38 | |
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| 39 | # Make a copy of the interface for unsetup_bridge.pl |
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| 40 | my $f = new IO::File(">/tmp/interface$tapno"); |
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| 41 | print $f "$iface\n" if $f; |
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| 42 | $f->close( )if $f; |
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| 43 | |
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| 44 | gateway_lib::bind_tap_to_iface($tapno, $iface); |
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| 45 | gateway_lib::ping_peer($peer) |
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| 46 | if $peer; |
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| 47 | |
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| 48 | exit(0); |
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| 49 | |
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| 50 | =pod |
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| 51 | |
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| 52 | =head1 NAME |
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| 53 | |
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| 54 | B<setup_bridge.pl> - Connect a tap and local interface. Called both remotely |
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| 55 | and locally to establish the two sides of the bridge. |
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| 56 | |
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| 57 | =head1 OPTIONS |
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| 58 | |
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| 59 | =over 8 |
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| 60 | |
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| 61 | =item B<addr=>I<address> |
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| 62 | |
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| 63 | Address of the local interface to connect to the given tap interface on the |
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| 64 | given bridge interface. |
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| 65 | |
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| 66 | =item B<dest=>I<destination> |
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| 67 | |
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| 68 | Attach the interface on which I<destination> can be reached to the given |
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| 69 | tap/bridge combo. |
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| 70 | |
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| 71 | =item B<tapno=>I<integer> |
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| 72 | |
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| 73 | The tap interface to connect. This will be the integer that follows tap and |
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| 74 | bridge in the interface names. |
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| 75 | |
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| 76 | =item B<use_file> |
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| 77 | |
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| 78 | If given read additional parameters from the file in |
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| 79 | /proj/I<project>/exp/I<experiment>/tmp/I<hostname>.gw/conf where those are the |
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| 80 | current testbed project and experiment and the hostname is before the first |
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| 81 | dot. The file is option: value. |
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| 82 | |
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| 83 | |
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| 84 | =back |
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| 85 | |
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| 86 | =head1 SYNOPSIS |
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| 87 | |
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| 88 | B<setup_bridge.pl> connects the established ssh tunnel (a tap interface) to |
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| 89 | a local interface through a bridge interface. Traffic on the local interface |
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| 90 | will cross the network over the ssh tunnel and be released onto the net via a |
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| 91 | symmetrical setup on the peer. |
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| 92 | |
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| 93 | The interface to attach can be given either by its interface or an address/DNS |
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| 94 | name to reach. In either case, all IP addresses are removed from the |
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| 95 | bound interface. |
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| 96 | |
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| 97 | =head1 AUTHORS |
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| 98 | |
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| 99 | Ted Faber <faber@isi.edu> |
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| 100 | |
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| 101 | =cut |
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