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#!/usr/local/bin/perl -w
use strict;
use SNMP_Session;
use BER;
use Socket;
sub print_mroutes ($$);
sub pretty_next_hop_state ($);
my $version = '2c';
my $port = 161;
my $debug = 0;
while (defined $ARGV[0] && $ARGV[0] =~ /^-/) {
if ($ARGV[0] =~ /^-v/) {
if ($ARGV[0] eq '-v') {
shift @ARGV;
usage (1) unless defined $ARGV[0];
} else {
$ARGV[0] = substr($ARGV[0], 2);
}
if ($ARGV[0] eq '1') {
$version = '1';
} elsif ($ARGV[0] eq '2c') {
$version = '2c';
} else {
usage (1);
}
} elsif ($ARGV[0] =~ /^-p/) {
if ($ARGV[0] eq '-p') {
shift @ARGV;
usage (1) unless defined $ARGV[0];
} else {
$ARGV[0] = substr($ARGV[0], 2);
}
if ($ARGV[0] =~ /^[0-9]+$/) {
$port = $ARGV[0];
} else {
usage (1);
}
} elsif ($ARGV[0] eq '-h') {
usage (0);
exit 0;
} else {
usage (1);
}
shift @ARGV;
}
my $host = shift @ARGV || usage (1);
my $community = shift @ARGV || "public";
my ($group_name, $group, $group_quad);
my ($source_name, $source, $source_quad);
$group_name = shift @ARGV || die ("no source/group given");
if ($#ARGV >= $[) {
$source_name = $group_name;
$group_name = shift @ARGV;
}
usage (1) if $#ARGV >= $[;
if (! defined ($group = inet_aton ($group_name))) {
die ("Cannot parse group $group_name");
}
$group_quad = inet_ntoa ($group);
if (! defined ($source = inet_aton ($source_name))) {
die ("Cannot parse source $source_name");
}
$source_quad = inet_ntoa ($source);
my $session =
($version eq '1' ? SNMPv1_Session->open ($host, $community, $port)
: $version eq '2c' ? SNMPv2c_Session->open ($host, $community, $port)
: die "Unknown SNMP version $version")
|| die "Opening SNMP_Session";
print_mroutes ($session, $group);
1;
sub print_mroutes ($$) {
my $ipMRouteUpstreamNeighbor = [1,3,6,1,3,60,1,1,2,1,4];
my $ipMRouteInIfIndex = [1,3,6,1,3,60,1,1,2,1,5];
my $ipMRouteUpTime = [1,3,6,1,3,60,1,1,2,1,6];
my $ipMRouteExpiryTime = [1,3,6,1,3,60,1,1,2,1,7];
my $ipMRoutePkts = [1,3,6,1,3,60,1,1,2,1,8];
my $ipMRouteDifferentInIfPackets = [1,3,6,1,3,60,1,1,2,1,9];
my $ipMRouteOctets = [1,3,6,1,3,60,1,1,2,1,10];
my $ipMRouteProtocol = [1,3,6,1,3,60,1,1,2,1,11];
my $ipMRouteNextHopState = [1,3,6,1,3,60,1,1,3,1,6];
my $ipMRouteNextHopProtocol = [1,3,6,1,3,60,1,1,3,1,10];
my ($session, $group) = @_;
my @group_subids = split (/\./, inet_ntoa ($group), 4);
my @oids = ([@{$ipMRouteUpstreamNeighbor},@group_subids],
[@{$ipMRouteProtocol},@group_subids]);
$session->map_table
(\@oids,
sub () {
my ($index, $nbr, $protocol) = @_;
my ($source, $mask) =
($index =~ m/^(\d+\.\d+\.\d+\.\d+)\.(\d+\.\d+\.\d+\.\d+)$/);
map { $_ = pretty_print $_ if defined $_ }
($nbr, $protocol);
print STDOUT ("$source ($mask) ",inet_ntoa ($group),": ",
pretty_next_hop_protocol ($protocol),
"\n");
});
@oids = ([@{$ipMRouteNextHopState},@group_subids],
[@{$ipMRouteNextHopProtocol},@group_subids]);
$session->map_table
(\@oids,
sub () {
my ($index, $state, $protocol) = @_;
my ($source, $mask, $if_index, $nexthop) =
($index =~ m/^(\d+\.\d+\.\d+\.\d+)\.(\d+\.\d+\.\d+\.\d+)\.(\d+)\.(\d+\.\d+\.\d+\.\d+)$/);
map { $_ = pretty_print $_ if defined $_ }
($state, $protocol);
print STDOUT ("$source ($mask) ",inet_ntoa ($group),": ",
pretty_next_hop_state ($state)," ",
pretty_next_hop_protocol ($protocol),
"\n");
});
}
sub pretty_next_hop_state ($ ) {
return "forwarding(1)" if $_[0] eq 1;
return "pruned(2)" if $_[0] eq 2;
return "???($_[0])";
}
sub pretty_next_hop_protocol ($ ) {
return "other(1)" if $_[0] eq 1;
return "local(2)" if $_[0] eq 2;
return "netmgmt(3)" if $_[0] eq 3;
return "dvmrp(4)" if $_[0] eq 4;
return "mospf(5)" if $_[0] eq 5;
return "pimSparseDense(6)" if $_[0] eq 6;
return "cbt(7)" if $_[0] eq 7;
return "pimSparseMode(8)" if $_[0] eq 8;
return "pimDenseMode(9)" if $_[0] eq 9;
return "igmpOnly(10)" if $_[0] eq 10;
return "???($_[0])";
}
|
