[3265] | 1 | #!/usr/bin/perl -w
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| 2 | #
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| 3 | # $Id$
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| 4 | # Copyright B. Cornec 2005-2014
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| 5 | # Provided under the GPL v2
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| 6 | #
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| 7 | # Get the complete network configuration of the system
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| 8 | #
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| 9 | use strict;
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| 10 | use IO::Interface::Simple;
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| 11 | use Net::IPv4Addr qw( :all );;
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| 12 | use ProjectBuilder::Base;
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| 13 |
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| 14 | =pod
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| 15 |
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| 16 | =head1 NAME
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| 17 |
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| 18 | mr-net-get-config keeps track of the network configuration of the system studied
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| 19 |
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| 20 | =head1 DESCRIPTION
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| 21 |
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| 22 | mr-net-get-config keeps track of the network configuration of the system studied wrt a network share passed as first parameter and store the result in the file given as second parameter (typically /tmp/mondorestore.cfg)
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| 23 |
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| 24 | =head1 SYNOPSIS
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| 25 |
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| 26 | mr-net-get-config server-ip:/export /path/to/file
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| 27 |
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| 28 | =head1 ARGUMENTS
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| 29 |
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| 30 | =over 4
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| 31 |
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| 32 | =item B<server-ip:/export>
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| 33 |
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| 34 | This is the IP address of the network server, followed by a ':' and the exported directory
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| 35 |
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| 36 | =item B</path/to/file>
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| 37 |
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| 38 | This is the path of the configuration file into which we want to store the network configuration
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| 39 |
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| 40 | =back
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| 41 |
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| 42 | =head1 WEB SITES
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| 43 |
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| 44 | The main Web site of the project is available at L<http://www.mondorescue.org>. Bug reports should be filled using the trac instance of the project at L<http://trac.mondorescue.org/>.
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| 45 |
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| 46 | =head1 USER MAILING LIST
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| 47 |
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| 48 | For community exchanges around MondoRescue please use the list L<http://sourceforge.net/mailarchive/forum.php?forum_name=mondo-devel>
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| 49 |
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| 50 | =head1 AUTHORS
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| 51 |
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| 52 | The MondoRescue team lead by Bruno Cornec L<mailto:bruno@mondorescue.org>.
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| 53 |
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| 54 | =head1 COPYRIGHT
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| 55 |
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| 56 | MondoRescue is distributed under the GPL v2.0 license or later,
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| 57 | described in the file C<COPYING> included with the distribution.
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| 58 |
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| 59 | =cut
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| 60 |
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| 61 | my $verbose = undef;
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| 62 | if ((defined $ARGV[0]) && ($ARGV[0] eq "-v")) {
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| 63 | $verbose = 1;
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| 64 | shift @ARGV;
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| 65 | }
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| 66 |
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| 67 | if ((not defined $ARGV[0]) || (not defined $ARGV[1])) {
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| 68 | die "Syntax: mr-net-get-config [proto:]server-ip:/export /path/to/file";
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| 69 | }
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| 70 |
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| 71 | open(CFG, ">> $ARGV[1]") || die "Unable to append into $ARGV[1]: $!";
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| 72 |
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| 73 | my ($netfs_proto,$netfs_server_ip,$netfs_server_mount);
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| 74 | # Protocol for sharing is NFS by default
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| 75 | $netfs_proto = "nfs";
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| 76 |
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| 77 | my ($scheme, $account, $host, $port, $path) = pb_get_uri($ARGV[0]);
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| 78 |
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| 79 | # We need to loop on all if to see which one is on the same LAN as the server
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| 80 | for my $if (IO::Interface::Simple->interfaces) {
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| 81 | # Skip fake interfaces
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| 82 | next if (not defined $if->address);
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| 83 | my $netfs_ipaddr = $if->address;
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| 84 | my $netfs_netmask = $if->netmask;
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| 85 | my $netfs_broadcast = $if->broadcast;
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| 86 | my $netfs_hwaddr = $if->hwaddr;
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| 87 | if (defined $verbose) {
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| 88 | print "interface = $if\n";
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| 89 | print "--\n";
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| 90 | print "addr = ",$netfs_ipaddr,"\n",
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| 91 | "broadcast = ",$netfs_broadcast,"\n",
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| 92 | "netmask = ",$netfs_netmask,"\n",
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| 93 | "dstaddr = ",$if->dstaddr,"\n",
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| 94 | "hwaddr = ",$netfs_hwaddr,"\n",
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| 95 | "mtu = ",$if->mtu,"\n",
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| 96 | "metric = ",$if->metric,"\n",
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| 97 | "index = ",$if->index,"\n";
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| 98 | print "is running\n" if $if->is_running;
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| 99 | print "is broadcast\n" if $if->is_broadcast;
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| 100 | print "is p-to-p\n" if $if->is_pt2pt;
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| 101 | print "is loopback\n" if $if->is_loopback;
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| 102 | print "is promiscuous\n" if $if->is_promiscuous;
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| 103 | print "is multicast\n" if $if->is_multicast;
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| 104 | print "is notrailers\n" if $if->is_notrailers;
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| 105 | print "is noarp\n" if $if->is_noarp;
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| 106 | print "--\n";
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| 107 | }
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| 108 | if (ipv4_in_network($if->address, $if->netmask, $host)) {
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| 109 | print "Netfs server $host is in network $netfs_ipaddr/$netfs_netmask\n";
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| 110 | # So generate conf file
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| 111 | print CFG "netfs-dev $if\n";
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| 112 | print CFG "netfs-proto $scheme\n";
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| 113 | print CFG "netfs-client-ipaddr $netfs_ipaddr\n";
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| 114 | print CFG "netfs-client-netmask $netfs_netmask\n";
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| 115 | print CFG "netfs-client-broadcast $netfs_broadcast\n";
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| 116 | print CFG "netfs-client-hwaddr $netfs_hwaddr\n";
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| 117 | print CFG "netfs-server-mount $ARGV[0]\n";
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| 118 | print CFG "netfs-server-user $account\n";
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| 119 | print CFG "netfs-server-path $path\n";
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| 120 | print CFG "netfs-server-ipaddr $host\n";
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| 121 | open(ROUTE, "/proc/net/route") || die "Unable to read /proc/net/route: $!";
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| 122 | while (<ROUTE>) {
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| 123 | my ($iface,$dest,$gw,$foo) = split(/\s+/,$_);
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| 124 | # Keep only default route
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| 125 | next if ($dest !~ /^00000000$/);
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| 126 | $gw =~ s/([A-z0-9]{2})([A-z0-9]{2})([A-z0-9]{2})([A-z0-9]{2})/hex($4).".".hex($3).".".hex($2).".".hex($1)/eg;
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| 127 | print CFG "netfs-client-defgw $gw\n";
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| 128 | }
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| 129 | close(ROUTE);
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| 130 | last if (not defined $verbose);
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| 131 | }
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| 132 | }
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| 133 | close(CFG);
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