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|
#!/usr/local/bin/perl -w
###
### Print history of configuration management actions on Cisco router
### using CISCO-CONFIG-MAN-MIB.my.
###
use strict;
use BER "0.72";
use SNMP_Session "0.67";
use Time::HiRes;
use Getopt::Long;
my $version = '1';
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] eq '-h') {
usage (0);
exit 0;
} else {
usage (1);
}
shift @ARGV;
}
my $host = shift @ARGV || usage (1);
my $community = shift @ARGV || "public";
usage (1) if $#ARGV >= $[;
my $ccmHistoryEventTime = [1,3,6,1,4,1,9,9,43,1,1,6,1,2];
my $ccmHistoryEventCommandSource = [1,3,6,1,4,1,9,9,43,1,1,6,1,3];
my $ccmHistoryEventConfigSource = [1,3,6,1,4,1,9,9,43,1,1,6,1,4];
my $ccmHistoryEventConfigDestination = [1,3,6,1,4,1,9,9,43,1,1,6,1,5];
my $ccmHistoryEventTerminalType = [1,3,6,1,4,1,9,9,43,1,1,6,1,6];
my $ccmHistoryEventTerminalNumber = [1,3,6,1,4,1,9,9,43,1,1,6,1,7];
my $ccmHistoryEventTerminalUser = [1,3,6,1,4,1,9,9,43,1,1,6,1,8];
my $ccmHistoryEventTerminalLocation = [1,3,6,1,4,1,9,9,43,1,1,6,1,9];
my $ccmHistoryEventCommandSourceAddress = [1,3,6,1,4,1,9,9,43,1,1,6,1,10];
my $ccmHistoryEventVirtualHostName = [1,3,6,1,4,1,9,9,43,1,1,6,1,11];
my $ccmHistoryEventServerAddress = [1,3,6,1,4,1,9,9,43,1,1,6,1,12];
my $ccmHistoryEventFile = [1,3,6,1,4,1,9,9,43,1,1,6,1,13];
my $ccmHistoryEventRcpUser = [1,3,6,1,4,1,9,9,43,1,1,6,1,14];
my $session =
($version eq '1' ? SNMPv1_Session->open ($host, $community, 161)
: $version eq '2c' ? SNMPv2c_Session->open ($host, $community, 161)
: die "Unknown SNMP version $version")
|| die "Opening SNMP_Session";
my $router_boottime = router_boottime ($session);
$session->map_table ([$ccmHistoryEventTime,
$ccmHistoryEventConfigSource,
$ccmHistoryEventConfigDestination],
sub () {
my ($index, $time, $source, $dest) = @_;
local $BER::pretty_print_timeticks = 0;
grep (defined $_ && ($_=pretty_print $_),
($time, $source, $dest));
my ($action);
if ($source == 3 && $dest == 2) {
$action = "show running-config";
} elsif ($source == 4 && $dest == 2) {
$action = "show configuration";
} elsif ($source == 3 && $dest == 4) {
$action = "write memory";
} elsif ($source == 2 && $dest == 3) {
$action = "configure terminal";
} elsif ($source == 6 && $dest == 3) {
$action = "configure network tftp:";
} elsif ($source == 3 && $dest == 6) {
$action = "write network tftp:";
} else {
$source = pretty_HistoryEventMedium ($source);
$dest = pretty_HistoryEventMedium ($dest);
$action = "$source -> $dest";
}
my $localtime = localtime ($time * 1e-2+$router_boottime);
print $localtime," ",$action,"\n";
});
$session->close ()
|| die "close SNMP session";
1;
sub pretty_HistoryEventMedium ($) {
my ($medium) = @_;
if ($medium == 1) {
return 'erase';
} elsif ($medium == 2) {
return 'commandSource';
} elsif ($medium == 3) {
return 'running';
} elsif ($medium == 4) {
return 'startup';
} elsif ($medium == 5) {
return 'local';
} elsif ($medium == 6) {
return 'networkTftp';
} elsif ($medium == 7) {
return 'networkRcp';
} else {
return "$medium???";
}
}
sub usage ($) {
warn <<EOM;
Usage: $0 [-v (1|2c)] router [community]
$0 -h
-h print this usage message and exit.
-v version can be used to select the SNMP version. The default
is SNMPv1, which is what most devices support. If your box
supports SNMPv2c, you should enable this by passing "-v 2c"
to the script. SNMPv2c is much more efficient for walking
tables, which is what this tool does.
router hostname or IP address of a Cisco IOS device
community SNMP community string to use. Defaults to "public".
EOM
exit (1) if $_[0];
}
### router_boottime SESSION
###
### Returns the boot time of the SNMP agent reachable through SESSION
### in Unix seconds
###
sub router_boottime ($) {
my ($session) = @_;
my $uptime = uptime_hundredths ($session);
my ($seconds,$microseconds) = Time::HiRes::gettimeofday ();
return $seconds + $microseconds * 1e-6 - $uptime * 1e-2;
}
sub uptime_hundredths ($) {
my ($session) = @_;
local $BER::pretty_print_timeticks = 0;
if ($session->get_request_response (encode_oid (1,3,6,1,2,1,1,3,0))) {
my $response = $session->pdu_buffer;
my ($bindings) = $session->decode_get_response ($response);
my $binding;
while ($bindings ne '') {
($binding,$bindings) = decode_sequence ($bindings);
my ($oid,$value) = decode_by_template ($binding, "%O%@");
my ($uptime) = pretty_print ($value);
return $uptime;
}
} else {
die "cannot get sysUpTime.0 from $host";
}
}
|
