nagios-snmp-plugins/plugins/check_snmp_cpfw.pl

605 lines
21 KiB
Perl
Executable file

#!/usr/bin/perl -w
############################## check_snmp_cpfw ##############
my $VERSION = "2.0.0";
# Date : Oct 20 2007
# Author : Patrick Proy (patrick at proy.org)
# Help : http://nagios.manubulon.com
# License : GPL - http://www.fsf.org/licenses/gpl.txt
# Contrib : StaGue
# TODO :
# - check sync method
#################################################################
#
# Help : ./check_snmp_cpfw.pl -h
#
use strict;
use Net::SNMP;
use Getopt::Long;
# Icinga specific
my %ERRORS = ('OK' => 0, 'WARNING' => 1, 'CRITICAL' => 2, 'UNKNOWN' => 3, 'DEPENDENT' => 4);
########### SNMP Datas ###########
###### FW data
my $policy_state = "1.3.6.1.4.1.2620.1.1.1.0"; # "Installed"
my $policy_name = "1.3.6.1.4.1.2620.1.1.2.0"; # Installed policy name
my $connections = "1.3.6.1.4.1.2620.1.1.25.3.0"; # number of connections
#my $connections_peak = "1.3.6.1.4.1.2620.1.1.25.4.0"; # peak number of connections
my @fw_checks = ($policy_state, $policy_name, $connections);
###### SVN data
my $svn_status = "1.3.6.1.4.1.2620.1.6.102.0"; # "OK" svn status
my %svn_checks = ($svn_status, "OK");
my %svn_checks_n = ($svn_status, "SVN status");
my @svn_checks_oid = ($svn_status);
###### HA data
my $ha_active = "1.3.6.1.4.1.2620.1.5.5.0"; # "yes"
my $ha_state = "1.3.6.1.4.1.2620.1.5.6.0"; # "active" / "standby"
my $ha_block_state = "1.3.6.1.4.1.2620.1.5.7.0"; #"OK" : ha blocking state
my $ha_status = "1.3.6.1.4.1.2620.1.5.102.0"; # "OK" : ha status
my %ha_checks = ($ha_active, "yes", $ha_state, "active", $ha_block_state, "OK", $ha_status, "OK");
my %ha_checks_stand = ($ha_active, "yes", $ha_state, "standby", $ha_block_state, "OK", $ha_status, "OK");
my %ha_checks_n
= ($ha_active, "HA active", $ha_state, "HA state", $ha_block_state, "HA block state", $ha_status, "ha_status");
my @ha_checks_oid = ($ha_active, $ha_state, $ha_block_state, $ha_status);
my $ha_mode = "1.3.6.1.4.1.2620.1.5.11.0"; # "Sync only"/"High Availability (Active Up)" : ha Working mode
my $ha_tables = "1.3.6.1.4.1.2620.1.5.13.1"; # ha status table
my $ha_tables_index = ".1";
my $ha_tables_name = ".2";
my $ha_tables_state = ".3"; # "OK"
my $ha_tables_prbdesc = ".6"; # Description if state is != "OK"
#my @ha_table_check = ("Synchronization","Filter","cphad","fwd"); # process to check
####### MGMT data
my $mgmt_status = "1.3.6.1.4.1.2620.1.7.5.0"; # "active" : management status
my $mgmt_alive = "1.3.6.1.4.1.2620.1.7.6.0"; # 1 : management is alive if 1
my $mgmt_stat_desc = "1.3.6.1.4.1.2620.1.7.102.0"; # Management status description
my $mgmt_stats_desc_l = "1.3.6.1.4.1.2620.1.7.103.0"; # Management status long description
my %mgmt_checks = ($mgmt_status, "active", $mgmt_alive, "1");
my %mgmt_checks_n = ($mgmt_status, "Mgmt status", $mgmt_alive, "Mgmt alive");
my @mgmt_checks_oid = ($mgmt_status, $mgmt_alive);
#################################### Globals ##############################""
my $o_host = undef; # hostname
my $o_community = undef; # community
my $o_version2 = undef; # Version 2
my $o_port = 161; # port
my $o_help = undef; # wan't some help ?
my $o_verb = undef; # verbose mode
my $o_version = undef; # print version
my $o_timeout = 5; # Default 5s Timeout
my $o_warn = undef; # Warning for connections
my $o_crit = undef; # Crit for connections
my $o_svn = undef; # Check for SVN status
my $o_fw = undef; # Check for FW status
my $o_ha = undef; # Check for HA status
my $o_mgmt = undef; # Check for management status
my $o_policy = undef; # Check for policy name
my $o_conn = undef; # Check for connexions
my $o_perf = undef; # Performance data output
# SNMPv3 specific
my $o_login = undef; # Login for snmpv3
my $o_passwd = undef; # Pass for snmpv3
my $v3protocols = undef; # V3 protocol list.
my $o_authproto = 'md5'; # Auth protocol
my $o_privproto = 'des'; # Priv protocol
my $o_privpass = undef; # priv password
# functions
sub p_version { print "check_snmp_cpfw version : $VERSION\n"; }
sub print_usage {
print
"Usage: $0 [-v] -H <host> -C <snmp_community> [-2] | (-l login -x passwd [-X pass -L <authp>,<privp>]) [-s] [-w [-p=pol_name] [-c=warn,crit]] [-m] [-a [standby] ] [-f] [-p <port>] [-t <timeout>] [-V]\n";
}
sub isnnum { # Return true if arg is not a number
my $num = shift;
if ($num =~ /^(\d+\.?\d*)|(^\.\d+)$/) { return 0; }
return 1;
}
sub help {
print "\nSNMP Checkpoint FW-1 Monitor for Icinga/Nagios/Naemon/Shinken, Version ", $VERSION, "\n";
print "GPL License, (c)2004-2007 - Patrick Proy\n\n";
print_usage();
print <<EOT;
-v, --verbose
print extra debugging information (including interface list on the system)
-h, --help
print this help message
-H, --hostname=HOST
name or IP address of host to check
-C, --community=COMMUNITY NAME
community name for the host's SNMP agent (implies v1 protocol)
2, --v2c
Use snmp v2c
-l, --login=LOGIN ; -x, --passwd=PASSWD
Login and auth password for snmpv3 authentication
If no priv password exists, implies AuthNoPriv
-X, --privpass=PASSWD
Priv password for snmpv3 (AuthPriv protocol)
-L, --protocols=<authproto>,<privproto>
<authproto> : Authentication protocol (md5|sha : default md5)
<privproto> : Priv protocole (des|aes : default des)
-s, --svn
check for svn status
-w, --fw
check for fw status
-a, --ha[=standby]
check for ha status and node in "active" state
If using SecurePlatform and monitoring a standby unit, put "standby" too
-m, --mgmt
check for management status
-p, --policy=POLICY_NAME
check if installed policy is POLICY_NAME (must have -w)
-c, --connexions=WARN,CRIT
check warn and critical number of connexions (must have -w)
-f, --perfparse, --perfdata
performance data output (only works with -c)
-P, --port=PORT
SNMP port (Default 161)
-t, --timeout=INTEGER
timeout for SNMP (Default: Nagios default)
-V, --version
prints version number
EOT
}
# For verbose output
sub verb { my $t = shift; print $t, "\n" if defined($o_verb); }
sub check_options {
Getopt::Long::Configure("bundling");
GetOptions(
'v' => \$o_verb,
'verbose' => \$o_verb,
'h' => \$o_help,
'help' => \$o_help,
'H:s' => \$o_host,
'hostname:s' => \$o_host,
'P:i' => \$o_port,
'port:i' => \$o_port,
'C:s' => \$o_community,
'community:s' => \$o_community,
'2' => \$o_version2,
'v2c' => \$o_version2,
'l:s' => \$o_login,
'login:s' => \$o_login,
'x:s' => \$o_passwd,
'passwd:s' => \$o_passwd,
'X:s' => \$o_privpass,
'privpass:s' => \$o_privpass,
'L:s' => \$v3protocols,
'protocols:s' => \$v3protocols,
't:i' => \$o_timeout,
'timeout:i' => \$o_timeout,
'V' => \$o_version,
'version' => \$o_version,
's' => \$o_svn,
'svn' => \$o_svn,
'w' => \$o_fw,
'fw' => \$o_fw,
'a:s' => \$o_ha,
'ha:s' => \$o_ha,
'm' => \$o_mgmt,
'mgmt' => \$o_mgmt,
'p:s' => \$o_policy,
'policy:s' => \$o_policy,
'c:s' => \$o_conn,
'connexions:s' => \$o_conn,
'f' => \$o_perf,
'perfparse' => \$o_perf,
'perfdata' => \$o_perf
);
if (defined($o_help)) { help(); exit $ERRORS{"UNKNOWN"} }
if (defined($o_version)) { p_version(); exit $ERRORS{"UNKNOWN"} }
if (!defined($o_host)) # check host and filter
{
print_usage();
exit $ERRORS{"UNKNOWN"};
}
# check snmp information
if (!defined($o_community) && (!defined($o_login) || !defined($o_passwd))) {
print "Put snmp login info!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if ((defined($o_login) || defined($o_passwd)) && (defined($o_community) || defined($o_version2))) {
print "Can't mix snmp v1,2c,3 protocols!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if (defined($v3protocols)) {
if (!defined($o_login)) {
print "Put snmp V3 login info with protocols!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
my @v3proto = split(/,/, $v3protocols);
if ((defined($v3proto[0])) && ($v3proto[0] ne "")) { $o_authproto = $v3proto[0]; } # Auth protocol
if (defined($v3proto[1])) { $o_privproto = $v3proto[1]; } # Priv protocol
if ((defined($v3proto[1])) && (!defined($o_privpass))) {
print "Put snmp V3 priv login info with priv protocols!\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
}
# Check firewall options
if (defined($o_conn)) {
if (!defined($o_fw)) {
print "Cannot check connexions without checking fw\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
my @warncrit = split(/,/, $o_conn);
if ($#warncrit != 1) { print "Put warn,crit levels with -c option\n"; print_usage(); exit $ERRORS{"UNKNOWN"} }
($o_warn, $o_crit) = @warncrit;
if (isnnum($o_warn) || isnnum($o_crit)) {
print "Numeric values for warning and critical in -c options\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if ($o_warn >= $o_crit) { print "warning <= critical ! \n"; print_usage(); exit $ERRORS{"UNKNOWN"} }
}
if (defined($o_policy)) {
if (!defined($o_fw)) {
print "Cannot check policy name without checking fw\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if ($o_policy eq "") { print "Put a policy name !\n"; print_usage(); exit $ERRORS{"UNKNOWN"} }
}
if (defined($o_perf) && !defined($o_conn)) {
print "Nothing selected for performance data output !\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if (!defined($o_fw) && !defined($o_ha) && !defined($o_mgmt) && !defined($o_svn)) {
print "Must select a product to check !\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
if (defined($o_ha) && ($o_ha ne "") && ($o_ha ne "standby")) {
print "-a option comes with 'standby' or nothing !\n";
print_usage();
exit $ERRORS{"UNKNOWN"};
}
}
########## MAIN #######
check_options();
# Check timeout if snmp screws up
if (defined($o_timeout)) {
verb("Alarm in $o_timeout seconds");
alarm($o_timeout);
}
$SIG{'ALRM'} = sub {
print "No answer from host $o_host:$o_port\n";
exit $ERRORS{"UNKNOWN"};
};
# Connect to host
my ($session, $error);
if (defined($o_login) && defined($o_passwd)) {
# SNMPv3 login
verb("SNMPv3 login");
if (!defined($o_privpass)) {
verb("SNMPv3 AuthNoPriv login : $o_login, $o_authproto");
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-version => '3',
-username => $o_login,
-port => $o_port,
-authpassword => $o_passwd,
-authprotocol => $o_authproto,
-timeout => $o_timeout
);
} else {
verb("SNMPv3 AuthPriv login : $o_login, $o_authproto, $o_privproto");
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-version => '3',
-username => $o_login,
-port => $o_port,
-authpassword => $o_passwd,
-authprotocol => $o_authproto,
-privpassword => $o_privpass,
-privprotocol => $o_privproto,
-timeout => $o_timeout
);
}
} else {
if (defined($o_version2)) {
# SNMPv2 Login
verb("SNMP v2c login");
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-version => 2,
-community => $o_community,
-port => $o_port,
-timeout => $o_timeout
);
} else {
# SNMPV1 login
verb("SNMP v1 login");
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-community => $o_community,
-port => $o_port,
-timeout => $o_timeout
);
}
}
if (!defined($session)) {
printf("ERROR opening session: %s.\n", $error);
exit $ERRORS{"UNKNOWN"};
}
########### Global checks #################
my $global_status = 0; # global status : 0=OK, 1=Warn, 2=Crit
my ($resultat, $key) = (undef, undef);
########## Check SVN status #############
my $svn_print = "";
my $svn_state = 0;
if (defined($o_svn)) {
$resultat = $session->get_request(Varbindlist => \@svn_checks_oid);
if (defined($resultat)) {
foreach $key (keys %svn_checks) {
verb("$svn_checks_n{$key} : $svn_checks{$key} / $$resultat{$key}");
if ($$resultat{$key} ne $svn_checks{$key}) {
$svn_print .= $svn_checks_n{$key} . ":" . $$resultat{$key} . " ";
$svn_state = 2;
}
}
} else {
$svn_print .= "cannot find OIDs";
#Critical state if not found because it means soft is not activated
$svn_state = 2;
}
if ($svn_state == 0) {
$svn_print = "SVN: OK";
} else {
$svn_print = "SVN: " . $svn_print;
}
verb("$svn_print");
}
########## Check mgmt status #############
my $mgmt_state = 0;
my $mgmt_print = "";
if (defined($o_mgmt)) {
# Check all states
$resultat = undef;
$resultat = $session->get_request(Varbindlist => \@mgmt_checks_oid);
if (defined($resultat)) {
foreach $key (keys %mgmt_checks) {
verb("$mgmt_checks_n{$key} : $mgmt_checks{$key} / $$resultat{$key}");
if ($$resultat{$key} ne $mgmt_checks{$key}) {
$mgmt_print .= $mgmt_checks_n{$key} . ":" . $$resultat{$key} . " ";
$mgmt_state = 2;
}
}
} else {
$mgmt_print .= "cannot find OIDs";
#Critical state if not found because it means soft is not activated
$mgmt_state = 2;
}
if ($mgmt_state == 0) {
$mgmt_print = "MGMT: OK";
} else {
$mgmt_print = "MGMT: " . $mgmt_print;
}
verb("$svn_print");
}
########### Check fw status ##############
my $fw_state = 0;
my $fw_print = "";
my $perf_conn = undef;
if (defined($o_fw)) {
# Check all states
$resultat = $session->get_request(Varbindlist => \@fw_checks);
if (defined($resultat)) {
verb("State : $$resultat{$policy_state}");
verb("Name : $$resultat{$policy_name}");
verb("connections : $$resultat{$connections}");
if ($$resultat{$policy_state} ne "Installed") {
$fw_state = 2;
$fw_print .= "Policy:" . $$resultat{$policy_state} . " ";
verb("Policy state not installed");
}
if (defined($o_policy)) {
if ($$resultat{$policy_name} ne $o_policy) {
$fw_state = 2;
$fw_print .= "Policy installed: $$resultat{$policy_name}";
}
}
if (defined($o_conn)) {
if ($$resultat{$connections} > $o_crit) {
$fw_state = 2;
$fw_print .= "Connexions : " . $$resultat{$connections} . " > " . $o_crit . " ";
} else {
if ($$resultat{$connections} > $o_warn) {
if ($fw_state != 2) { $fw_state = 1; }
$fw_print .= "Connexions : " . $$resultat{$connections} . " > " . $o_warn . " ";
}
}
$perf_conn = $$resultat{$connections};
}
} else {
$fw_print .= "cannot find OIDs";
#Critical state if not found because it means soft is not activated
$fw_state = 2;
}
if ($fw_state == 0) {
$fw_print = "FW: OK";
} else {
$fw_print = "FW: " . $fw_print;
}
}
########### Check ha status ##############
my $ha_state_n = 0;
my $ha_print = "";
if (defined($o_ha)) {
# Check all states
$resultat = $session->get_request(Varbindlist => \@ha_checks_oid);
if (defined($resultat)) {
foreach $key (keys %ha_checks) {
verb("$ha_checks_n{$key} : $ha_checks{$key} / $$resultat{$key}");
if ($o_ha eq "standby") {
if ($$resultat{$key} ne $ha_checks_stand{$key}) {
$ha_print .= $ha_checks_n{$key} . ":" . $$resultat{$key} . " ";
$ha_state_n = 2;
}
} else {
if ($$resultat{$key} ne $ha_checks{$key}) {
$ha_print .= $ha_checks_n{$key} . ":" . $$resultat{$key} . " ";
$ha_state_n = 2;
}
}
}
#my $ha_mode = "1.3.6.1.4.1.2620.1.5.11.0"; # "Sync only" : ha Working mode
} else {
$ha_print .= "cannot find OIDs";
#Critical state if not found because it means soft is not activated
$ha_state_n = 2;
}
# get ha status table
$resultat = $session->get_table(Baseoid => $ha_tables);
my %status;
my (@index, @oid) = (undef, undef);
my $nindex = 0;
my $index_search = $ha_tables . $ha_tables_index;
if (defined($resultat)) {
foreach $key (keys %$resultat) {
if ($key =~ /$index_search/) {
@oid = split(/\./, $key);
pop(@oid);
$index[$nindex] = pop(@oid);
$nindex++;
}
}
} else {
$ha_print .= "cannot find OIDs" if ($ha_state_n == 0);
#Critical state if not found because it means soft is not activated
$ha_state_n = 2;
}
verb("found $nindex ha softs");
if ($nindex == 0) {
$ha_print .= " no ha soft found" if ($ha_state_n == 0);
$ha_state_n = 2;
} else {
my $ha_soft_name = undef;
for (my $i = 0; $i < $nindex; $i++) {
$key = $ha_tables . $ha_tables_name . "." . $index[$i] . ".0";
$ha_soft_name = $$resultat{$key};
$key = $ha_tables . $ha_tables_state . "." . $index[$i] . ".0";
if (($status{$ha_soft_name} = $$resultat{$key}) ne "OK") {
$key = $ha_tables . $ha_tables_prbdesc . "." . $index[$i] . ".0";
$status{$ha_soft_name} = $$resultat{$key};
$ha_print .= $ha_soft_name . ":" . $status{$ha_soft_name} . " ";
$ha_state_n = 2;
}
verb("$ha_soft_name : $status{$ha_soft_name}");
}
}
if ($ha_state_n == 0) {
$ha_print = "HA: OK";
} else {
$ha_print = "HA: " . $ha_print;
}
}
$session->close;
########## print results and exit
my $f_print = undef;
if (defined($o_fw)) { $f_print = $fw_print }
if (defined($o_svn)) { $f_print = (defined($f_print)) ? $f_print . " / " . $svn_print : $svn_print }
if (defined($o_ha)) { $f_print = (defined($f_print)) ? $f_print . " / " . $ha_print : $ha_print }
if (defined($o_mgmt)) { $f_print = (defined($f_print)) ? $f_print . " / " . $mgmt_print : $mgmt_print }
my $exit_status = undef;
$f_print .= " / CPFW Status: ";
if (($ha_state_n + $svn_state + $fw_state + $mgmt_state) == 0) {
$f_print .= 'OK' . ($perf_conn ? ', ' . $perf_conn . ' conn.' : '');
$exit_status = $ERRORS{"OK"};
} else {
if (($fw_state == 1) || ($ha_state_n == 1) || ($svn_state == 1) || ($mgmt_state == 1)) {
$f_print .= "WARNING";
$exit_status = $ERRORS{"WARNING"};
} else {
$f_print .= "CRITICAL";
$exit_status = $ERRORS{"CRITICAL"};
}
}
if (defined($o_perf) && defined($perf_conn)) {
$f_print .= " | fw_connexions=" . $perf_conn . ";" . $o_warn . ";" . $o_crit . ";0";
}
print "$f_print\n";
exit $exit_status;