pkg-monitoring-plugins/plugins/tests/check_curl.t

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2020-12-10 20:00:09 +00:00
#! /usr/bin/perl -w -I ..
#
# Test check_http by having an actual HTTP server running
#
# To create the https server certificate:
# openssl req -new -x509 -keyout server-key.pem -out server-cert.pem -days 3650 -nodes
# to create a new expired certificate:
# faketime '2008-01-01 12:00:00' openssl req -new -x509 -keyout expired-key.pem -out expired-cert.pem -days 1 -nodes
# Country Name (2 letter code) [AU]:DE
# State or Province Name (full name) [Some-State]:Bavaria
# Locality Name (eg, city) []:Munich
# Organization Name (eg, company) [Internet Widgits Pty Ltd]:Monitoring Plugins
# Organizational Unit Name (eg, section) []:
# Common Name (e.g. server FQDN or YOUR name) []:Monitoring Plugins
# Email Address []:devel@monitoring-plugins.org
use strict;
use Test::More;
use NPTest;
use FindBin qw($Bin);
$ENV{'LC_TIME'} = "C";
my $common_tests = 70;
my $ssl_only_tests = 8;
# Check that all dependent modules are available
eval "use HTTP::Daemon 6.01;";
plan skip_all => 'HTTP::Daemon >= 6.01 required' if $@;
eval {
require HTTP::Status;
require HTTP::Response;
};
my $plugin = 'check_http';
$plugin = 'check_curl' if $0 =~ m/check_curl/mx;
# look for libcurl version to see if some advanced checks are possible (>= 7.49.0)
my $advanced_checks = 12;
my $use_advanced_checks = 0;
my $required_version = '7.49.0';
my $virtual_host = 'www.somefunnyhost.com';
my $virtual_port = 42;
my $curl_version = '';
open (my $fh, '-|', "./$plugin --version") or die;
while (<$fh>) {
if (m{libcurl/([\d.]+)\s}) {
$curl_version = $1;
last;
}
}
close ($fh);
if ($curl_version) {
my ($major, $minor, $release) = split (/\./, $curl_version);
my ($req_major, $req_minor, $req_release) = split (/\./, $required_version);
my $check = ($major <=> $req_major or $minor <=> $req_minor or $release <=> $req_release);
if ($check >= 0) {
$use_advanced_checks = 1;
print "Found libcurl $major.$minor.$release. Using advanced checks\n";
}
}
if ($@) {
plan skip_all => "Missing required module for test: $@";
} else {
if (-x "./$plugin") {
plan tests => $common_tests * 2 + $ssl_only_tests + $advanced_checks;
} else {
plan skip_all => "No $plugin compiled";
}
}
my $servers = { http => 0 }; # HTTP::Daemon should always be available
eval { require HTTP::Daemon::SSL };
if ($@) {
diag "Cannot load HTTP::Daemon::SSL: $@";
} else {
$servers->{https} = 0;
}
# set a fixed version, so the header size doesn't vary
$HTTP::Daemon::VERSION = "1.00";
my $port_http = 50000 + int(rand(1000));
my $port_https = $port_http + 1;
my $port_https_expired = $port_http + 2;
# This array keeps sockets around for implementing timeouts
my @persist;
# Start up all servers
my @pids;
my $pid = fork();
if ($pid) {
# Parent
push @pids, $pid;
if (exists $servers->{https}) {
# Fork a normal HTTPS server
$pid = fork();
if ($pid) {
# Parent
push @pids, $pid;
# Fork an expired cert server
$pid = fork();
if ($pid) {
push @pids, $pid;
} else {
my $d = HTTP::Daemon::SSL->new(
LocalPort => $port_https_expired,
LocalAddr => "127.0.0.1",
SSL_cert_file => "$Bin/certs/expired-cert.pem",
SSL_key_file => "$Bin/certs/expired-key.pem",
) || die;
print "Please contact https expired at: <URL:", $d->url, ">\n";
run_server( $d );
exit;
}
} else {
my $d = HTTP::Daemon::SSL->new(
LocalPort => $port_https,
LocalAddr => "127.0.0.1",
SSL_cert_file => "$Bin/certs/server-cert.pem",
SSL_key_file => "$Bin/certs/server-key.pem",
) || die;
print "Please contact https at: <URL:", $d->url, ">\n";
run_server( $d );
exit;
}
}
# give our webservers some time to startup
sleep(1);
} else {
# Child
#print "child\n";
my $d = HTTP::Daemon->new(
LocalPort => $port_http,
LocalAddr => "127.0.0.1",
) || die;
print "Please contact http at: <URL:", $d->url, ">\n";
run_server( $d );
exit;
}
# Run the same server on http and https
sub run_server {
my $d = shift;
MAINLOOP: while (my $c = $d->accept ) {
while (my $r = $c->get_request) {
if ($r->method eq "GET" and $r->url->path =~ m^/statuscode/(\d+)^) {
$c->send_basic_header($1);
$c->send_crlf;
} elsif ($r->method eq "GET" and $r->url->path =~ m^/file/(.*)^) {
$c->send_basic_header;
$c->send_crlf;
$c->send_file_response("$Bin/var/$1");
} elsif ($r->method eq "GET" and $r->url->path eq "/slow") {
$c->send_basic_header;
$c->send_crlf;
sleep 1;
$c->send_response("slow");
} elsif ($r->url->path eq "/method") {
if ($r->method eq "DELETE") {
$c->send_error(HTTP::Status->RC_METHOD_NOT_ALLOWED);
} elsif ($r->method eq "foo") {
$c->send_error(HTTP::Status->RC_NOT_IMPLEMENTED);
} else {
$c->send_status_line(200, $r->method);
}
} elsif ($r->url->path eq "/postdata") {
$c->send_basic_header;
$c->send_crlf;
$c->send_response($r->method.":".$r->content);
} elsif ($r->url->path eq "/redirect") {
$c->send_redirect( "/redirect2" );
} elsif ($r->url->path eq "/redir_external") {
$c->send_redirect(($d->isa('HTTP::Daemon::SSL') ? "https" : "http") . "://169.254.169.254/redirect2" );
} elsif ($r->url->path eq "/redirect2") {
$c->send_basic_header;
$c->send_crlf;
$c->send_response(HTTP::Response->new( 200, 'OK', undef, 'redirected' ));
} elsif ($r->url->path eq "/redir_timeout") {
$c->send_redirect( "/timeout" );
} elsif ($r->url->path eq "/timeout") {
# Keep $c from being destroyed, but prevent severe leaks
unshift @persist, $c;
delete($persist[1000]);
next MAINLOOP;
} elsif ($r->url->path eq "/header_check") {
$c->send_basic_header;
$c->send_header('foo');
$c->send_crlf;
} elsif ($r->url->path eq "/virtual_port") {
# return sent Host header
$c->send_basic_header;
$c->send_crlf;
$c->send_response(HTTP::Response->new( 200, 'OK', undef, $r->header ('Host')));
} else {
$c->send_error(HTTP::Status->RC_FORBIDDEN);
}
$c->close;
}
}
}
END {
foreach my $pid (@pids) {
if ($pid) { print "Killing $pid\n"; kill "INT", $pid }
}
};
if ($ARGV[0] && $ARGV[0] eq "-d") {
while (1) {
sleep 100;
}
}
my $result;
my $command = "./$plugin -H 127.0.0.1";
run_common_tests( { command => "$command -p $port_http" } );
SKIP: {
skip "HTTP::Daemon::SSL not installed", $common_tests + $ssl_only_tests if ! exists $servers->{https};
run_common_tests( { command => "$command -p $port_https", ssl => 1 } );
$result = NPTest->testCmd( "$command -p $port_https -S -C 14" );
is( $result->return_code, 0, "$command -p $port_https -S -C 14" );
is( $result->output, "OK - Certificate 'Monitoring Plugins' will expire on Fri Feb 16 15:31:44 2029 +0000.", "output ok" );
$result = NPTest->testCmd( "$command -p $port_https -S -C 14000" );
is( $result->return_code, 1, "$command -p $port_https -S -C 14000" );
like( $result->output, '/WARNING - Certificate \'Monitoring Plugins\' expires in \d+ day\(s\) \(Fri Feb 16 15:31:44 2029 \+0000\)./', "output ok" );
# Expired cert tests
$result = NPTest->testCmd( "$command -p $port_https -S -C 13960,14000" );
is( $result->return_code, 2, "$command -p $port_https -S -C 13960,14000" );
like( $result->output, '/CRITICAL - Certificate \'Monitoring Plugins\' expires in \d+ day\(s\) \(Fri Feb 16 15:31:44 2029 \+0000\)./', "output ok" );
$result = NPTest->testCmd( "$command -p $port_https_expired -S -C 7" );
is( $result->return_code, 2, "$command -p $port_https_expired -S -C 7" );
is( $result->output,
'CRITICAL - Certificate \'Monitoring Plugins\' expired on Wed Jan 2 11:00:26 2008 +0000.',
"output ok" );
}
my $cmd;
# advanced checks with virtual hostname and virtual port
SKIP: {
skip "libcurl version is smaller than $required_version", 6 unless $use_advanced_checks;
# http without virtual port
$cmd = "./$plugin -H $virtual_host -I 127.0.0.1 -p $port_http -u /virtual_port -r ^$virtual_host:$port_http\$";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
# http with virtual port (!= 80)
$cmd = "./$plugin -H $virtual_host:$virtual_port -I 127.0.0.1 -p $port_http -u /virtual_port -r ^$virtual_host:$virtual_port\$";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
# http with virtual port (80)
$cmd = "./$plugin -H $virtual_host:80 -I 127.0.0.1 -p $port_http -u /virtual_port -r ^$virtual_host\$";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
}
# and the same for SSL
SKIP: {
skip "libcurl version is smaller than $required_version and/or HTTP::Daemon::SSL not installed", 6 if ! exists $servers->{https} or not $use_advanced_checks;
# https without virtual port
$cmd = "./$plugin -H $virtual_host -I 127.0.0.1 -p $port_https --ssl -u /virtual_port -r ^$virtual_host:$port_https\$";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
# https with virtual port (!= 443)
$cmd = "./$plugin -H $virtual_host:$virtual_port -I 127.0.0.1 -p $port_https --ssl -u /virtual_port -r ^$virtual_host:$virtual_port\$";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
# https with virtual port (443)
$cmd = "./$plugin -H $virtual_host:443 -I 127.0.0.1 -p $port_https --ssl -u /virtual_port -r ^$virtual_host\$";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
}
sub run_common_tests {
my ($opts) = @_;
my $command = $opts->{command};
if ($opts->{ssl}) {
$command .= " --ssl";
}
$result = NPTest->testCmd( "$command -u /file/root" );
is( $result->return_code, 0, "/file/root");
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - 274 bytes in [\d\.]+ second/', "Output correct" );
$result = NPTest->testCmd( "$command -u /file/root -s Root" );
is( $result->return_code, 0, "/file/root search for string");
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - 274 bytes in [\d\.]+ second/', "Output correct" );
$result = NPTest->testCmd( "$command -u /file/root -s NonRoot" );
is( $result->return_code, 2, "Missing string check");
like( $result->output, qr%^HTTP CRITICAL: HTTP/1\.1 200 OK - string 'NonRoot' not found on 'https?://127\.0\.0\.1:\d+/file/root'%, "Shows search string and location");
$result = NPTest->testCmd( "$command -u /file/root -s NonRootWithOver30charsAndMoreFunThanAWetFish" );
is( $result->return_code, 2, "Missing string check");
like( $result->output, qr%HTTP CRITICAL: HTTP/1\.1 200 OK - string 'NonRootWithOver30charsAndM...' not found on 'https?://127\.0\.0\.1:\d+/file/root'%, "Shows search string and location");
$result = NPTest->testCmd( "$command -u /header_check -d foo" );
is( $result->return_code, 0, "header_check search for string");
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - 96 bytes in [\d\.]+ second/', "Output correct" );
$result = NPTest->testCmd( "$command -u /header_check -d bar" );
is( $result->return_code, 2, "Missing header string check");
like( $result->output, qr%^HTTP CRITICAL: HTTP/1\.1 200 OK - header 'bar' not found on 'https?://127\.0\.0\.1:\d+/header_check'%, "Shows search string and location");
my $cmd;
$cmd = "$command -u /slow";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, "$cmd");
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$result->output =~ /in ([\d\.]+) second/;
cmp_ok( $1, ">", 1, "Time is > 1 second" );
$cmd = "$command -u /statuscode/200";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -u /statuscode/200 -e 200";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - Status line output matched "200" - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -u /statuscode/201";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 201 Created - \d+ bytes in [\d\.]+ second /', "Output correct: ".$result->output );
$cmd = "$command -u /statuscode/201 -e 201";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 201 Created - Status line output matched "201" - \d+ bytes in [\d\.]+ second /', "Output correct: ".$result->output );
$cmd = "$command -u /statuscode/201 -e 200";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 2, $cmd);
like( $result->output, '/^HTTP CRITICAL - Invalid HTTP response received from host on port \d+: HTTP/1.1 201 Created/', "Output correct: ".$result->output );
$cmd = "$command -u /statuscode/200 -e 200,201,202";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - Status line output matched "200,201,202" - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -u /statuscode/201 -e 200,201,202";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 201 Created - Status line output matched "200,201,202" - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -u /statuscode/203 -e 200,201,202";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 2, $cmd);
like( $result->output, '/^HTTP CRITICAL - Invalid HTTP response received from host on port (\d+): HTTP/1.1 203 Non-Authoritative Information/', "Output correct: ".$result->output );
$cmd = "$command -j HEAD -u /method";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 HEAD - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -j POST -u /method";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 POST - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -j GET -u /method";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 GET - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -u /method";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 GET - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -P foo -u /method";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 POST - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -j DELETE -u /method";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 1, $cmd);
like( $result->output, '/^HTTP WARNING: HTTP/1.1 405 Method Not Allowed/', "Output correct: ".$result->output );
$cmd = "$command -j foo -u /method";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 2, $cmd);
like( $result->output, '/^HTTP CRITICAL: HTTP/1.1 501 Not Implemented/', "Output correct: ".$result->output );
$cmd = "$command -P stufftoinclude -u /postdata -s POST:stufftoinclude";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -j PUT -P stufftoinclude -u /postdata -s PUT:stufftoinclude";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
# To confirm that the free doesn't segfault
$cmd = "$command -P stufftoinclude -j PUT -u /postdata -s PUT:stufftoinclude";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -u /redirect";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 301 Moved Permanently - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -f follow -u /redirect";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -u /redirect -k 'follow: me'";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 301 Moved Permanently - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -f follow -u /redirect -k 'follow: me'";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -f sticky -u /redirect -k 'follow: me'";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
$cmd = "$command -f stickyport -u /redirect -k 'follow: me'";
$result = NPTest->testCmd( $cmd );
is( $result->return_code, 0, $cmd);
like( $result->output, '/^HTTP OK: HTTP/1.1 200 OK - \d+ bytes in [\d\.]+ second/', "Output correct: ".$result->output );
# These tests may block
print "ALRM\n";
# stickyport - on full urlS port is set back to 80 otherwise
$cmd = "$command -f stickyport -u /redir_external -t 5 -s redirected";
eval {
local $SIG{ALRM} = sub { die "alarm\n" };
alarm(2);
$result = NPTest->testCmd( $cmd );
alarm(0); };
isnt( $@, "alarm\n", $cmd );
is( $result->return_code, 0, $cmd );
# Let's hope there won't be any web server on :80 returning "redirected"!
$cmd = "$command -f sticky -u /redir_external -t 5 -s redirected";
eval {
local $SIG{ALRM} = sub { die "alarm\n" };
alarm(2);
$result = NPTest->testCmd( $cmd );
alarm(0); };
isnt( $@, "alarm\n", $cmd );
isnt( $result->return_code, 0, $cmd );
# Test an external address - timeout
SKIP: {
skip "This doesn't seem to work all the time", 1 unless ($ENV{HTTP_EXTERNAL});
$cmd = "$command -f follow -u /redir_external -t 5";
eval {
$result = NPTest->testCmd( $cmd, 2 );
};
like( $@, "/timeout in command: $cmd/", $cmd );
}
$cmd = "$command -u /timeout -t 5";
eval {
$result = NPTest->testCmd( $cmd, 2 );
};
like( $@, "/timeout in command: $cmd/", $cmd );
$cmd = "$command -f follow -u /redir_timeout -t 2";
eval {
$result = NPTest->testCmd( $cmd, 5 );
};
is( $@, "", $cmd );
}