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|
#
# Test the LimitRequestLine, LimitRequestFieldSize, LimitRequestFields,
# and LimitRequestBody directives.
#
use strict;
use warnings FATAL => 'all';
use Apache::Test;
use Apache::TestRequest;
use Apache::TestUtil;
#
# These values are chosen to exceed the limits in extra.conf, namely:
#
# LimitRequestLine 128
# LimitRequestFieldSize 1024
# LimitRequestFields 32
# <Directory @SERVERROOT@/htdocs/apache/limits>
# LimitRequestBody 65536
# </Directory>
#
my @conditions = qw(requestline fieldsize fieldcount bodysize merged_fieldsize);
my %params = ('requestline-succeed' => "/apache/limits/",
'requestline-fail' => ("/apache/limits/" . ('a' x 256)),
'fieldsize-succeed' => 'short value',
'fieldsize-fail' => ('a' x 2048),
'fieldcount-succeed' => 1,
'fieldcount-fail' => 64,
'bodysize-succeed' => ('a' x 1024),
'bodysize-fail' => ('a' x 131072),
'merged_fieldsize-succeed' => ('a' x 500),
'merged_fieldsize-fail' => ('a' x 600),
);
my %xrcs = ('requestline-succeed' => 200,
'requestline-fail' => 414,
'fieldsize-succeed' => 200,
'fieldsize-fail' => 400,
'fieldcount-succeed' => 200,
'fieldcount-fail' => 400,
'bodysize-succeed' => 200,
'bodysize-fail' => 413,
'merged_fieldsize-succeed' => 200,
'merged_fieldsize-fail' => 400,
);
my $res;
if (!have_min_apache_version("2.2.32")) {
$xrcs{"merged_fieldsize-fail"} = 200;
}
#
# Two tests for each of the conditions, plus two more for the
# chunked version of the body-too-large test IFF we have the
# appropriate level of LWP support.
#
my $no_chunking = defined($LWP::VERSION) && $LWP::VERSION < 5.60;
if ($no_chunking) {
print "# Chunked upload tests will NOT be performed;\n",
"# LWP 5.60 or later is required and you only have ",
"$LWP::VERSION installed.\n";
}
my $subtests = (@conditions * 2) + 2;
plan tests => $subtests, \&need_lwp;
use vars qw($expected_rc);
my $testnum = 1;
foreach my $cond (@conditions) {
foreach my $goodbad (qw(succeed fail)) {
my $param = $params{"$cond-$goodbad"};
$expected_rc = $xrcs{"$cond-$goodbad"};
my $resp;
if ($cond eq 'fieldcount') {
my %fields;
for (my $i = 1; $i <= $param; $i++) {
$fields{"X-Field-$i"} = "Testing field $i";
}
print "# Testing LimitRequestFields; should $goodbad\n";
$resp = GET('/apache/limits/', %fields, 'X-Subtest' => $testnum);
ok t_cmp($resp->code,
$expected_rc,
"Test #$testnum");
if ($resp->code != $expected_rc) {
print_response($resp);
}
$testnum++;
}
elsif ($cond eq 'bodysize') {
#
# Make sure the last situation is keepalives off..
#
foreach my $chunked (qw(1 0)) {
print "# Testing LimitRequestBody; should $goodbad\n";
set_chunking($chunked);
#
# Note that this tests different things depending upon
# the chunking state. The content-body will not even
# be counted if the Content-Length of an unchunked
# request exceeds the server's limit; it'll just be
# drained and discarded.
#
if ($chunked) {
if ($no_chunking) {
my $msg = 'Chunked upload not tested; '
. 'not supported by this version of LWP';
print "# $msg\n";
skip $msg, 1;
}
else {
my ($req, $resp, $url);
$url = Apache::TestRequest::resolve_url('/apache/limits/');
$req = HTTP::Request->new(GET => $url);
$req->content_type('text/plain');
$req->header('X-Subtest' => $testnum);
$req->content(chunk_it($param));
$resp = Apache::TestRequest::user_agent->request($req);
# limit errors with chunked request bodies get
# 400 with 1.3, not 413 - see special chunked
# request handling in ap_get_client_block in 1.3
local $expected_rc = 400 if $goodbad eq 'fail' &&
have_apache(1);
ok t_cmp($resp->code,
$expected_rc,
"Test #$testnum");
if ($resp->code != $expected_rc) {
print_response($resp);
}
}
}
else {
$resp = GET('/apache/limits/', content_type => 'text/plain',
content => $param, 'X-Subtest' => $testnum);
ok t_cmp($resp->code,
$expected_rc,
"Test #$testnum");
if ($resp->code != $expected_rc) {
print_response($resp);
}
}
$testnum++;
}
}
elsif ($cond eq 'merged_fieldsize') {
print "# Testing LimitRequestFieldSize; should $goodbad\n";
$resp = GET('/apache/limits/', 'X-Subtest' => $testnum,
'X-overflow-field' => $param,
'X-overflow-field' => $param);
ok t_cmp($resp->code,
$expected_rc,
"Test #$testnum");
if ($resp->code != $expected_rc) {
print_response($resp);
}
$testnum++;
}
elsif ($cond eq 'fieldsize') {
print "# Testing LimitRequestFieldSize; should $goodbad\n";
$resp = GET('/apache/limits/', 'X-Subtest' => $testnum,
'X-overflow-field' => $param);
ok t_cmp($resp->code,
$expected_rc,
"Test #$testnum");
if ($resp->code != $expected_rc) {
print_response($resp);
}
$testnum++;
}
elsif ($cond eq 'requestline') {
print "# Testing LimitRequestLine; should $goodbad\n";
$resp = GET($param, 'X-Subtest' => $testnum);
ok t_cmp($resp->code,
$expected_rc,
"Test #$testnum");
if ($resp->code != $expected_rc) {
print_response($resp);
}
$testnum++;
}
}
}
sub chunk_it {
my $str = shift;
my $delay = shift;
$delay = 1 unless defined $delay;
return sub {
select(undef, undef, undef, $delay) if $delay;
my $l = length($str);
return substr($str, 0, ($l > 102400 ? 102400 : $l), "");
}
}
sub set_chunking {
my ($setting) = @_;
$setting = $setting ? 1 : 0;
print "# Chunked transfer-encoding ",
($setting ? "enabled" : "disabled"), "\n";
Apache::TestRequest::user_agent(keep_alive => ($setting ? 1 : 0));
}
sub print_response {
my ($resp) = @_;
my $str = $resp->as_string;
$str =~ s:\n:\n# :gs;
print "# Server response:\n# $str\n";
}
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