#!/usr/bin/perl -w ############################## check_snmp_cpfw ############## my $VERSION = "2.1.0"; # 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 -C [-2] | (-l login -x passwd [-X pass -L ,]) [-s] [-w [-p=pol_name] [-c=warn,crit]] [-m] [-a [standby] ] [-f] [-p ] [-t ] [-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 <, : Authentication protocol (md5|sha : default md5) : 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;