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|
#!/usr/bin/env perl
# Simulate a tunneling proxy to a HTTPS URL that needs authentication.
# Use a persistent connection (Connection: keep-alive)
use strict;
use warnings;
use WgetFeature qw(https);
use WgetTests; # For $WGETPATH.
my $cert_path;
my $key_path;
my $srcdir;
our $VALGRIND_SUPP_FILE;
if (@ARGV) {
$srcdir = shift @ARGV;
} elsif (defined $ENV{srcdir}) {
$srcdir = $ENV{srcdir};
}
if (defined $srcdir) {
$key_path = "$srcdir/certs/server-key.pem";
$cert_path = "$srcdir/certs/server-cert.pem";
} else {
$key_path = "certs/server-key.pem";
$cert_path = "certs/server-cert.pem";
}
use HTTP::Daemon;
use HTTP::Request;
# Skip this test rather than fail it when the module isn't installed
if (!eval {require IO::Socket::SSL;1;}) {
print STDERR "This test needs the perl module \"IO::Socket::SSL\".\n";
print STDERR "Install e.g. on Debian with 'apt-get install libio-socket-ssl-perl'\n";
print STDERR " or if using cpanminus 'cpanm IO::Socket::SSL' could be used to install it.\n";
exit 77; # skip
}
IO::Socket::SSL->import();
my $SOCKET = HTTP::Daemon->new (LocalAddr => 'localhost',
ReuseAddr => 1) or die "Cannot create server!!!";
sub get_request {
my $conn = shift;
my $content = '';
my $line;
while (defined ($line = <$conn>)) {
$content .= $line;
last if $line eq "\r\n";
}
my $rqst = HTTP::Request->parse($content)
or die "Couldn't parse request:\n$content\n";
return $rqst;
}
sub do_server {
my ($synch_callback) = @_;
my $s = $SOCKET;
my $conn;
my $rqst;
my $rspn;
# sync with the parent
$synch_callback->();
# Simulate a HTTPS proxy server with tunneling.
$conn = $s->accept;
$rqst = $conn->get_request;
die "Method not CONNECT\n" if ($rqst->method ne 'CONNECT');
$rspn = HTTP::Response->new(200, 'OK');
$conn->send_response($rspn);
# Now switch from plain to SSL (for simulating a transparent tunnel
# to an HTTPS server).
my %options = (
SSL_server => 1,
SSL_passwd_cb => sub { return "Hello"; });
$options{SSL_cert_file} = $cert_path if ($cert_path);
$options{SSL_key_file} = $key_path if ($key_path);
my @options = %options;
$conn = IO::Socket::SSL->new_from_fd($conn->fileno, @options)
or die "Couldn't initiate SSL";
for my $expect_inner_auth (0, 1) {
# TODO: expect no auth the first time, request it, expect it the second
# time.
$rqst = &get_request($conn)
or die "Didn't get proxied request\n";
unless ($expect_inner_auth) {
die "Early proxied auth\n" if $rqst->header('Authorization');
$rspn = HTTP::Response->new(401, 'Unauthorized', [
'WWW-Authenticate' => 'Basic realm="gondor"',
Connection => 'keep-alive'
]);
} else {
die "No proxied auth\n" unless $rqst->header('Authorization');
$rspn = HTTP::Response->new(200, 'OK', [
'Content-Type' => 'text/plain',
'Connection' => 'close',
], "foobarbaz\n");
}
$rspn->protocol('HTTP/1.0');
print STDERR "=====\n";
print STDERR $rspn->as_string;
print STDERR "\n=====\n";
print $conn $rspn->as_string;
}
$conn->close;
undef $conn;
undef $s;
}
sub fork_server {
pipe(FROM_CHILD, TO_PARENT) or die "Cannot create pipe!";
select((select(TO_PARENT), $| = 1)[0]);
my $pid = fork();
if ($pid < 0) {
die "Cannot fork";
} elsif ($pid == 0) {
# child
close FROM_CHILD;
do_server(sub { print TO_PARENT "SYNC\n"; close TO_PARENT });
exit 0;
} else {
# parent
close TO_PARENT;
chomp(my $line = <FROM_CHILD>);
close FROM_CHILD;
}
return $pid;
}
unlink "needs-auth.txt";
my $pid = &fork_server;
my $cmdline = $WgetTest::WGETPATH . " --user=fiddle-dee-dee"
. " --password=Dodgson -e https_proxy=localhost:{{port}}"
. " --no-check-certificate"
. " https://no.such.domain/needs-auth.txt";
$cmdline =~ s/\Q{{port}}/$SOCKET->sockport()/e;
if (defined $srcdir) {
$VALGRIND_SUPP_FILE = $srcdir . '/valgrind-suppressions-ssl';
} else {
$VALGRIND_SUPP_FILE = './valgrind-suppressions-ssl';
}
my $valgrind = $ENV{VALGRIND_TESTS};
if (!defined $valgrind || $valgrind eq "" || $valgrind == 0) {
# Valgrind not requested - leave $cmdline as it is
} elsif ($valgrind == 1) {
$cmdline =
'valgrind --suppressions=' . $VALGRIND_SUPP_FILE
. ' --error-exitcode=301 --leak-check=yes --track-origins=yes '
. $cmdline;
} else {
$cmdline = $valgrind . " " . $cmdline;
}
my $code = system($cmdline . " 2>&1") >> 8;
unlink "needs-auth.txt";
warn "Got code: $code\n" if $code;
kill ('TERM', $pid);
exit ($code != 0);
|
