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centreon-plugins
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Compatibility SNMPv3

This commit is contained in:
Quentin Garnier 2013-01-15 11:06:32 +01:00
parent 92d74efee2
commit 71a8d8f8db
1 changed files with 118 additions and 174 deletions
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292
src/check_snmp_win.pl
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@ -11,8 +11,8 @@
# help : ./check_snmp_win.pl -h # help : ./check_snmp_win.pl -h
use strict; use strict;
use Net::SNMP;
use Getopt::Long; use Getopt::Long;
require "@NAGIOS_PLUGINS@/Centreon/SNMP/Utils.pm";
# Nagios specific # Nagios specific
@ -20,6 +20,15 @@ use lib "@NAGIOS_PLUGINS@";
use utils qw(%ERRORS $TIMEOUT); use utils qw(%ERRORS $TIMEOUT);
#my $TIMEOUT = 5; #my $TIMEOUT = 5;
#my %ERRORS=('OK'=>0,'WARNING'=>1,'CRITICAL'=>2,'UNKNOWN'=>3,'DEPENDENT'=>4); #my %ERRORS=('OK'=>0,'WARNING'=>1,'CRITICAL'=>2,'UNKNOWN'=>3,'DEPENDENT'=>4);
my %OPTION = (
"host" => undef,
"snmp-community" => "public", "snmp-version" => 1, "snmp-port" => 161,
"snmp-auth-key" => undef, "snmp-auth-user" => undef, "snmp-auth-password" => undef, "snmp-auth-protocol" => "MD5",
"snmp-priv-key" => undef, "snmp-priv-password" => undef, "snmp-priv-protocol" => "DES",
"maxrepetitions" => undef,
"64-bits" => undef,
);
my $session_params;
# SNMP Datas for processes (MIB II) # SNMP Datas for processes (MIB II)
my $process_table= '1.3.6.1.2.1.25.4.2.1'; my $process_table= '1.3.6.1.2.1.25.4.2.1';
@ -47,10 +56,6 @@ my $win_serv_uninst = '1.3.6.1.4.1.77.1.2.3.1.4';
my $Version='0.5'; my $Version='0.5';
my $Name='check_snmp_win'; my $Name='check_snmp_win';
my $o_host = undef; # hostname
my $o_community =undef; # community
my $o_port = 161; # port
my $o_version2 = undef; #use snmp v2c
my $o_descr = undef; # description filter my $o_descr = undef; # description filter
my @o_descrL = undef; # Service descriprion list. my @o_descrL = undef; # Service descriprion list.
my $o_showall = undef; # Show all services even if OK my $o_showall = undef; # Show all services even if OK
@ -61,34 +66,31 @@ my $o_verb= undef; # verbose mode
my $o_version= undef; # print version my $o_version= undef; # print version
my $o_noreg= undef; # Do not use Regexp for name my $o_noreg= undef; # Do not use Regexp for name
my $o_timeout= 5; # Default 5s Timeout my $o_timeout= 5; # Default 5s Timeout
# SNMP V3 specific
my $o_login= undef; # snmp v3 login
my $o_passwd= undef; # snmp v3 passwd
# functions # functions
sub p_version { print "$Name version : $Version\n"; } sub p_version { print "$Name version : $Version\n"; }
sub print_usage { sub print_usage {
print "Usage: $Name [-v] -H <host> -C <snmp_community> [-2] | (-l login -x passwd) [-p <port>] -n <name>[,<name2] [-T=service] [-r] [-s] [-N=<n>] [-t <timeout>] [-V]\n"; print "Usage: $Name [-v] -H <host> -C <snmp_community> | (-l login -x passwd) [-p <port>] -n <name>[,<name2] [-T=service] [-r] [-s] [-N=<n>] [-t <timeout>] [-V]\n";
} }
sub isnotnum { # Return true if arg is not a number sub isnotnum { # Return true if arg is not a number
my $num = shift; my $num = shift;
if ( $num =~ /^-?(\d+\.?\d*)|(^\.\d+)$/ ) { return 0 ;} if ( $num =~ /^-?(\d+\.?\d*)|(^\.\d+)$/ ) { return 0 ;}
return 1; return 1;
} }
sub is_pattern_valid { # Test for things like "<I\s*[^>" or "+5-i" sub is_pattern_valid { # Test for things like "<I\s*[^>" or "+5-i"
my $pat = shift; my $pat = shift;
if (!defined($pat)) { $pat=" ";} # Just to get rid of compilation time warnings if (!defined($pat)) { $pat=" ";} # Just to get rid of compilation time warnings
return eval { "" =~ /$pat/; 1 } || 0; return eval { "" =~ /$pat/; 1 } || 0;
} }
# Get the alarm signal (just in case snmp timout screws up) # Get the alarm signal (just in case snmp timout screws up)
$SIG{'ALRM'} = sub { $SIG{'ALRM'} = sub {
print ("ERROR: Alarm signal (Nagios time-out)\n"); print ("ERROR: Alarm signal (Nagios time-out)\n");
exit $ERRORS{"UNKNOWN"}; exit $ERRORS{"UNKNOWN"};
}; };
sub help { sub help {
@ -104,8 +106,6 @@ sub help {
name or IP address of host to check name or IP address of host to check
-C, --community=COMMUNITY NAME -C, --community=COMMUNITY NAME
community name for the host's SNMP agent (implies SNMP v1 or v2c with option) community name for the host's SNMP agent (implies SNMP v1 or v2c with option)
-2, --v2c
Use snmp v2c
-l, --login=LOGIN -l, --login=LOGIN
Login for snmpv3 authentication (implies v3 protocol with MD5) Login for snmpv3 authentication (implies v3 protocol with MD5)
-x, --passwd=PASSWD -x, --passwd=PASSWD
@ -142,49 +142,56 @@ EOT
sub verb { my $t=shift; print $t,"\n" if defined($o_verb) ; } sub verb { my $t=shift; print $t,"\n" if defined($o_verb) ; }
sub decode_utf8 { # just replaces UFT8 caracters by "." sub decode_utf8 { # just replaces UFT8 caracters by "."
my $utfstr=shift; my $utfstr=shift;
if (substr($utfstr,0,2) ne "0x") { return $utfstr; } if (substr($utfstr,0,2) ne "0x") { return $utfstr; }
my @stringL=split(//,$utfstr); my @stringL=split(//,$utfstr);
my $newstring=""; my $newstring="";
for (my $i=2;$i<$#stringL;$i+=2) { for (my $i=2;$i<$#stringL;$i+=2) {
if ( ($stringL[$i] . $stringL[$i+1]) eq "c3") { if ( ($stringL[$i] . $stringL[$i+1]) eq "c3") {
$i+=2;$newstring .= "."; $i+=2;$newstring .= ".";
} else { } else {
$newstring .= chr(hex($stringL[$i] . $stringL[$i+1])); $newstring .= chr(hex($stringL[$i] . $stringL[$i+1]));
} }
} }
return $newstring; return $newstring;
} }
sub check_options { sub check_options {
Getopt::Long::Configure ("bundling"); Getopt::Long::Configure ("bundling");
GetOptions( GetOptions(
'v' => \$o_verb, 'verbose' => \$o_verb, "H|hostname|host=s" => \$OPTION{'host'},
"C|community=s" => \$OPTION{'snmp-community'},
"snmp|snmp-version=s" => \$OPTION{'snmp-version'},
"p|port|P|snmpport|snmp-port=i" => \$OPTION{'snmp-port'},
"l|login|username=s" => \$OPTION{'snmp-auth-user'},
"x|passwd|authpassword|password=s" => \$OPTION{'snmp-auth-password'},
"k|authkey=s" => \$OPTION{'snmp-auth-key'},
"authprotocol=s" => \$OPTION{'snmp-auth-protocol'},
"privpassword=s" => \$OPTION{'snmp-priv-password'},
"privkey=s" => \$OPTION{'snmp-priv-key'},
"privprotocol=s" => \$OPTION{'snmp-priv-protocol'},
"maxrepetitions=s" => \$OPTION{'maxrepetitions'},
"64-bits" => \$OPTION{'64-bits'},
'v' => \$o_verb, 'verbose' => \$o_verb,
'h' => \$o_help, 'help' => \$o_help, 'h' => \$o_help, 'help' => \$o_help,
'H:s' => \$o_host, 'hostname:s' => \$o_host, 't:i' => \$o_timeout, 'timeout:i' => \$o_timeout,
'p:i' => \$o_port, 'port:i' => \$o_port,
'C:s' => \$o_community, 'community:s' => \$o_community,
'l:s' => \$o_login, 'login:s' => \$o_login,
'x:s' => \$o_passwd, 'passwd:s' => \$o_passwd,
't:i' => \$o_timeout, 'timeout:i' => \$o_timeout,
'n:s' => \$o_descr, 'name:s' => \$o_descr, 'n:s' => \$o_descr, 'name:s' => \$o_descr,
'r' => \$o_noreg, 'noregexp' => \$o_noreg, 'r' => \$o_noreg, 'noregexp' => \$o_noreg,
'T:s' => \$o_type, 'type:s' => \$o_type, 'T:s' => \$o_type, 'type:s' => \$o_type,
'N:i' => \$o_number, 'number:i' => \$o_number, 'N:i' => \$o_number, 'number:i' => \$o_number,
'2' => \$o_version2, 'v2c' => \$o_version2, 's' => \$o_showall, 'showall' => \$o_showall,
's' => \$o_showall, 'showall' => \$o_showall, 'V' => \$o_version, 'version' => \$o_version
'V' => \$o_version, 'version' => \$o_version
); );
if (defined ($o_help)) { help(); exit $ERRORS{"UNKNOWN"}}; if (defined ($o_help)) { help(); exit $ERRORS{"UNKNOWN"}};
if (defined($o_version)) { p_version(); exit $ERRORS{"UNKNOWN"}}; if (defined($o_version)) { p_version(); exit $ERRORS{"UNKNOWN"}};
# check snmp information # check snmp information
if ( !defined($o_community) && (!defined($o_login) || !defined($o_passwd)) ) ($session_params) = Centreon::SNMP::Utils::check_snmp_options($ERRORS{'UNKNOWN'}, \%OPTION);
{ print "Put snmp login info!\n"; print_usage(); exit $ERRORS{"UNKNOWN"}}
# Check compulsory attributes # Check compulsory attributes
if ( $o_type ne "service" ) { if ( $o_type ne "service" ) {
print "Invalid check type !\n"; print_usage(); exit $ERRORS{"UNKNOWN"} print "Invalid check type !\n"; print_usage(); exit $ERRORS{"UNKNOWN"}
} }
if ( ! defined($o_descr) || ! defined($o_host) ) { print_usage(); exit $ERRORS{"UNKNOWN"}}; if ( ! defined($o_descr) ) { print_usage(); exit $ERRORS{"UNKNOWN"}};
@o_descrL=split(/,/,$o_descr); @o_descrL=split(/,/,$o_descr);
foreach my $List (@o_descrL) { foreach my $List (@o_descrL) {
if ( ! is_pattern_valid ($List) ) { print "Invalid pattern ! ";print_usage(); exit $ERRORS{"UNKNOWN"} } if ( ! is_pattern_valid ($List) ) { print "Invalid pattern ! ";print_usage(); exit $ERRORS{"UNKNOWN"} }
@ -202,69 +209,18 @@ check_options();
# Check gobal timeout if snmp screws up # Check gobal timeout if snmp screws up
if (defined($TIMEOUT)) { if (defined($TIMEOUT)) {
verb("Alarm at $TIMEOUT"); verb("Alarm at $TIMEOUT");
alarm($TIMEOUT); alarm($TIMEOUT);
} else { } else {
verb("no timeout defined : $o_timeout + 10"); verb("no timeout defined : $o_timeout + 10");
alarm ($o_timeout+10); alarm ($o_timeout+10);
} }
# Connect to host # Connect to host
my ($session,$error); my $session = Centreon::SNMP::Utils::connection($ERRORS{'UNKNOWN'}, $session_params);
if ( defined($o_login) && defined($o_passwd)) {
# SNMPv3 login
verb("SNMPv3 login");
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-version => '3',
-username => $o_login,
-authpassword => $o_passwd,
-authprotocol => 'md5',
-privpassword => $o_passwd,
-timeout => $o_timeout
);
} else {
if (defined ($o_version2)) {
# SNMPv2 Login
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-version => 2,
-community => $o_community,
-port => $o_port,
-timeout => $o_timeout
);
} else {
# SNMPV1 login
($session, $error) = Net::SNMP->session(
-hostname => $o_host,
-community => $o_community,
-port => $o_port,
-timeout => $o_timeout
);
}
}
$session->max_msg_size(10000);
verb($session->max_msg_size);
#print $session->max_msg_size(),"\n";
if (!defined($session)) {
printf("ERROR: %s.\n", $error);
exit $ERRORS{"UNKNOWN"};
}
# Look for process in name or path name table # Look for process in name or path name table
my $resultat=undef; my $resultat = Centreon::SNMP::Utils::get_snmp_table($win_serv_name, $session, $ERRORS{'UNKNOWN'}, \%OPTION);
$resultat = (Net::SNMP->VERSION < 4) ?
$session->get_table($win_serv_name)
: $session->get_table(Baseoid => $win_serv_name);
if (!defined($resultat)) {
printf("ERROR: Process name table : %s.\n", $session->error);
$session->close;
exit $ERRORS{"UNKNOWN"};
}
my @tindex = undef; my @tindex = undef;
my @oids = undef; my @oids = undef;
@ -277,64 +233,54 @@ my $count_oid = 0;
verb("Filter : $o_descr"); verb("Filter : $o_descr");
foreach my $key ( keys %$resultat) { foreach my $key ( keys %$resultat) {
my $descr_d=decode_utf8($$resultat{$key}); my $descr_d=decode_utf8($$resultat{$key});
verb("Desc : $descr_d"); verb("Desc : $descr_d");
# test by regexp or exact match # test by regexp or exact match
my $test=undef; my $test=undef;
foreach my $List (@o_descrL) { foreach my $List (@o_descrL) {
if (!($test)) { if (!($test)) {
$test = defined($o_noreg) $test = defined($o_noreg)
? $descr_d eq $List ? $descr_d eq $List
: $descr_d =~ /$List/i; : $descr_d =~ /$List/i;
} }
} }
if ($test) { if ($test) {
# get the full description # get the full description
$descr[$num_int]=$descr_d; $descr[$num_int]=$descr_d;
# get the index number of the process # get the index number of the process
$key =~ s/$win_serv_name\.//; $key =~ s/$win_serv_name\.//;
$tindex[$num_int] = $key; $tindex[$num_int] = $key;
# put the oid of running state in an array. # put the oid of running state in an array.
$oids[$count_oid++]=$win_serv_state . "." . $tindex[$num_int]; $oids[$count_oid++]=$win_serv_state . "." . $tindex[$num_int];
verb("Name : $descr[$num_int], Index : $tindex[$num_int]"); verb("Name : $descr[$num_int], Index : $tindex[$num_int]");
$num_int++; $num_int++;
} }
} }
if ( $num_int == 0) { if ( $num_int == 0) {
if (defined ($o_number) && ($o_number ==0)) { if (defined ($o_number) && ($o_number ==0)) {
print "No services ",(defined ($o_noreg)) ? "named \"" : "matching \"", $o_descr, "\" found : OK\n"; print "No services ",(defined ($o_noreg)) ? "named \"" : "matching \"", $o_descr, "\" found : OK\n";
exit $ERRORS{"OK"}; exit $ERRORS{"OK"};
} else { } else {
print "No services ",(defined ($o_noreg)) ? "named \"" : "matching \"", $o_descr, "\" found : CRITICAL\n"; print "No services ",(defined ($o_noreg)) ? "named \"" : "matching \"", $o_descr, "\" found : CRITICAL\n";
exit $ERRORS{"CRITICAL"}; exit $ERRORS{"CRITICAL"};
} }
} }
my $result=undef; my $result = Centreon::SNMP::Utils::get_snmp_leef(\@oids, $session, $ERRORS{'UNKNOWN'});
my $num_int_ok=0; my $num_int_ok=0;
$result = (Net::SNMP->VERSION < 4) ?
$session->get_request(@oids)
: $session->get_request(Varbindlist => \@oids);
if (!defined($result)) { printf("ERROR: running table : %s.\n", $session->error); $session->close;
exit $ERRORS{"UNKNOWN"};
}
$session->close;
my $output=undef; my $output=undef;
#Check if service are in active state #Check if service are in active state
for (my $i=0; $i< $num_int; $i++) { for (my $i=0; $i< $num_int; $i++) {
my $state=$$result{$win_serv_state . "." . $tindex[$i]}; my $state=$$result{$win_serv_state . "." . $tindex[$i]};
verb ("Process $tindex[$i] in state $state"); verb ("Process $tindex[$i] in state $state");
if ($state == 1) { if ($state == 1) {
$num_int_ok++ $num_int_ok++
} else { } else {
$output .= ", " if defined($output); $output .= ", " if defined($output);
$output .= $descr[$i] . " : " . $win_serv_state_label{$state}; $output .= $descr[$i] . " : " . $win_serv_state_label{$state};
} }
} }
my $force_critical=0; my $force_critical=0;
@ -342,41 +288,39 @@ my $force_critical=0;
# Show the services that are not present # Show the services that are not present
# Or all of them with -s option # Or all of them with -s option
foreach my $List (@o_descrL) { foreach my $List (@o_descrL) {
my $test=0; my $test=0;
for (my $i=0; $i< $num_int; $i++) { for (my $i=0; $i< $num_int; $i++) {
if ( !defined($o_noreg) && ($descr[$i] =~ /$List/i) ) { $test++; } if ( !defined($o_noreg) && ($descr[$i] =~ /$List/i) ) { $test++; }
if ( defined($o_noreg) && ($descr[$i] eq $List) ) { $test++; } if ( defined($o_noreg) && ($descr[$i] eq $List) ) { $test++; }
} }
if ($test==0) { if ($test==0) {
$output .= ", " if defined($output); $output .= ", " if defined($output);
$output .= "\"" . $List . "\" not active"; $output .= "\"" . $List . "\" not active";
# Force a critical state (could otherwise lead to false OK) # Force a critical state (could otherwise lead to false OK)
$force_critical=1; $force_critical=1;
} elsif ( defined ($o_showall) ) { } elsif ( defined ($o_showall) ) {
$output .= ", " if defined($output); $output .= ", " if defined($output);
$output .= "\"" . $List . "\" active"; $output .= "\"" . $List . "\" active";
if ($test != 1) { if ($test != 1) {
$output .= "(" .$test . " services)"; $output .= "(" .$test . " services)";
}
} }
}
} }
if (defined ($output) ) { if (defined ($output) ) {
print $output, " : "; print $output, " : ";
} else { } else {
print $num_int_ok, " services active (", (defined ($o_noreg)) ? "named \"" : "matching \"", $o_descr, "\") : "; print $num_int_ok, " services active (", (defined ($o_noreg)) ? "named \"" : "matching \"", $o_descr, "\") : ";
} }
$o_number = $#o_descrL+1 if (!defined($o_number)); $o_number = $#o_descrL+1 if (!defined($o_number));
if (($num_int_ok < $o_number)||($force_critical == 1)) { if (($num_int_ok < $o_number)||($force_critical == 1)) {
print "CRITICAL\n"; print "CRITICAL\n";
exit $ERRORS{"CRITICAL"}; exit $ERRORS{"CRITICAL"};
} elsif ($num_int_ok > $o_number) { } elsif ($num_int_ok > $o_number) {
print "WARNING\n"; print "WARNING\n";
exit $ERRORS{"WARNING"}; exit $ERRORS{"WARNING"};
} }
print "OK\n"; print "OK\n";
exit $ERRORS{"OK"}; exit $ERRORS{"OK"};