curl-w32/tests/secureserver.pl

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#!/usr/bin/env perl
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
#***************************************************************************
# This is the HTTPS, FTPS, POP3S, IMAPS, SMTPS, server used for curl test
# harness. Actually just a layer that runs stunnel properly using the
# non-secure test harness servers.
use strict;
use warnings;
BEGIN {
push(@INC, $ENV{'srcdir'}) if(defined $ENV{'srcdir'});
push(@INC, ".");
}
use Cwd;
use Cwd 'abs_path';
use File::Basename;
use serverhelp qw(
server_pidfilename
server_logfilename
);
use pathhelp;
my $stunnel = "stunnel";
my $verbose=0; # set to 1 for debugging
my $accept_port = 8991; # just our default, weird enough
my $target_port = 8999; # default test http-server port
my $stuncert;
my $ver_major;
my $ver_minor;
my $fips_support;
my $stunnel_version;
my $tstunnel_windows;
my $socketopt;
my $cmd;
my $pidfile; # stunnel pid file
my $logfile; # stunnel log file
my $loglevel = 5; # stunnel log level
my $ipvnum = 4; # default IP version of stunneled server
my $idnum = 1; # default stunneled server instance number
my $proto = 'https'; # default secure server protocol
my $conffile; # stunnel configuration file
my $capath; # certificate chain PEM folder
my $certfile; # certificate chain PEM file
#***************************************************************************
# stunnel requires full path specification for several files.
#
my $path = getcwd();
my $srcdir = $path;
my $logdir = $path .'/log';
my $piddir;
#***************************************************************************
# Signal handler to remove our stunnel 4.00 and newer configuration file.
#
sub exit_signal_handler {
my $signame = shift;
local $!; # preserve errno
local $?; # preserve exit status
unlink($conffile) if($conffile && (-f $conffile));
exit;
}
#***************************************************************************
# Process command line options
#
while(@ARGV) {
if($ARGV[0] eq '--verbose') {
$verbose = 1;
}
elsif($ARGV[0] eq '--proto') {
if($ARGV[1]) {
$proto = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--accept') {
if($ARGV[1]) {
if($ARGV[1] =~ /^(\d+)$/) {
$accept_port = $1;
shift @ARGV;
}
}
}
elsif($ARGV[0] eq '--connect') {
if($ARGV[1]) {
if($ARGV[1] =~ /^(\d+)$/) {
$target_port = $1;
shift @ARGV;
}
}
}
elsif($ARGV[0] eq '--stunnel') {
if($ARGV[1]) {
$stunnel = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--srcdir') {
if($ARGV[1]) {
$srcdir = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--certfile') {
if($ARGV[1]) {
$stuncert = $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--id') {
if($ARGV[1]) {
if($ARGV[1] =~ /^(\d+)$/) {
$idnum = $1 if($1 > 0);
shift @ARGV;
}
}
}
elsif($ARGV[0] eq '--ipv4') {
$ipvnum = 4;
}
elsif($ARGV[0] eq '--ipv6') {
$ipvnum = 6;
}
elsif($ARGV[0] eq '--pidfile') {
if($ARGV[1]) {
$pidfile = "$path/". $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--logfile') {
if($ARGV[1]) {
$logfile = "$path/". $ARGV[1];
shift @ARGV;
}
}
elsif($ARGV[0] eq '--logdir') {
if($ARGV[1]) {
$logdir = "$path/". $ARGV[1];
shift @ARGV;
}
}
else {
print STDERR "\nWarning: secureserver.pl unknown parameter: $ARGV[0]\n";
}
shift @ARGV;
}
#***************************************************************************
# Initialize command line option dependent variables
#
if($pidfile) {
# Use our pidfile directory to store the conf files
$piddir = dirname($pidfile);
}
else {
# Use the current directory to store the conf files
$piddir = $path;
$pidfile = server_pidfilename($piddir, $proto, $ipvnum, $idnum);
}
if(!$logfile) {
$logfile = server_logfilename($logdir, $proto, $ipvnum, $idnum);
}
$conffile = "$piddir/${proto}_stunnel.conf";
$capath = abs_path($path);
$certfile = "$srcdir/". ($stuncert?"certs/$stuncert":"stunnel.pem");
$certfile = abs_path($certfile);
my $ssltext = uc($proto) ." SSL/TLS:";
#***************************************************************************
# Find out version info for the given stunnel binary
#
foreach my $veropt (('-version', '-V')) {
foreach my $verstr (qx("$stunnel" $veropt 2>&1)) {
if($verstr =~ /^stunnel (\d+)\.(\d+) on /) {
$ver_major = $1;
$ver_minor = $2;
}
elsif($verstr =~ /^sslVersion.*fips *= *yes/) {
# the fips option causes an error if stunnel doesn't support it
$fips_support = 1;
last
}
}
last if($ver_major);
}
if((!$ver_major) || !defined($ver_minor)) {
if(-x "$stunnel" && ! -d "$stunnel") {
print "$ssltext Unknown stunnel version\n";
}
else {
print "$ssltext No stunnel\n";
}
exit 1;
}
$stunnel_version = (100*$ver_major) + $ver_minor;
#***************************************************************************
# Verify minimum stunnel required version
#
if($stunnel_version < 310) {
print "$ssltext Unsupported stunnel version $ver_major.$ver_minor\n";
exit 1;
}
#***************************************************************************
# Find out if we are running on Windows using the tstunnel binary
#
if($stunnel =~ /tstunnel(\.exe)?$/) {
$tstunnel_windows = 1;
# convert Cygwin/MinGW paths to Win32 format
$capath = pathhelp::sys_native_abs_path($capath);
$certfile = pathhelp::sys_native_abs_path($certfile);
}
#***************************************************************************
# Build command to execute for stunnel 3.X versions
#
if($stunnel_version < 400) {
if($stunnel_version >= 319) {
$socketopt = "-O a:SO_REUSEADDR=1";
}
$cmd = "\"$stunnel\" -p $certfile -P $pidfile ";
$cmd .= "-d $accept_port -r $target_port -f -D $loglevel ";
$cmd .= ($socketopt) ? "$socketopt " : "";
$cmd .= ">$logfile 2>&1";
if($verbose) {
print uc($proto) ." server (stunnel $ver_major.$ver_minor)\n";
print "cmd: $cmd\n";
print "pem cert file: $certfile\n";
print "pid file: $pidfile\n";
print "log file: $logfile\n";
print "log level: $loglevel\n";
print "listen on port: $accept_port\n";
print "connect to port: $target_port\n";
}
}
#***************************************************************************
# Build command to execute for stunnel 4.00 and newer
#
if($stunnel_version >= 400) {
$socketopt = "a:SO_REUSEADDR=1";
if(($stunnel_version >= 534) && $tstunnel_windows) {
# SO_EXCLUSIVEADDRUSE is on by default on Vista or newer,
# but does not work together with SO_REUSEADDR being on.
$socketopt .= "\nsocket = a:SO_EXCLUSIVEADDRUSE=0";
}
$cmd = "\"$stunnel\" $conffile ";
$cmd .= ">$logfile 2>&1";
# setup signal handler
$SIG{INT} = \&exit_signal_handler;
$SIG{TERM} = \&exit_signal_handler;
# stunnel configuration file
if(open(my $stunconf, ">", "$conffile")) {
print $stunconf "CApath = $capath\n";
print $stunconf "cert = $certfile\n";
print $stunconf "debug = $loglevel\n";
print $stunconf "socket = $socketopt\n";
if($fips_support) {
# disable fips in case OpenSSL doesn't support it
print $stunconf "fips = no\n";
}
if(!$tstunnel_windows) {
# do not use Linux-specific options on Windows
print $stunconf "output = $logfile\n";
print $stunconf "pid = $pidfile\n";
print $stunconf "foreground = yes\n";
}
print $stunconf "\n";
print $stunconf "[curltest]\n";
print $stunconf "accept = $accept_port\n";
print $stunconf "connect = $target_port\n";
if(!close($stunconf)) {
print "$ssltext Error closing file $conffile\n";
exit 1;
}
}
else {
print "$ssltext Error writing file $conffile\n";
exit 1;
}
if($verbose) {
print uc($proto) ." server (stunnel $ver_major.$ver_minor)\n";
print "cmd: $cmd\n";
print "CApath = $capath\n";
print "cert = $certfile\n";
print "debug = $loglevel\n";
print "socket = $socketopt\n";
if($fips_support) {
print "fips = no\n";
}
if(!$tstunnel_windows) {
print "pid = $pidfile\n";
print "output = $logfile\n";
print "foreground = yes\n";
}
print "\n";
print "[curltest]\n";
print "accept = $accept_port\n";
print "connect = $target_port\n";
}
}
#***************************************************************************
# Set file permissions on certificate pem file.
#
chmod(0600, $certfile) if(-f $certfile);
print STDERR "RUN: $cmd\n" if($verbose);
#***************************************************************************
# Run tstunnel on Windows.
#
if($tstunnel_windows) {
# Fake pidfile for tstunnel on Windows.
if(open(my $out, ">", "$pidfile")) {
print $out $$ . "\n";
close($out);
}
# Flush output.
$| = 1;
# Put an "exec" in front of the command so that the child process
# keeps this child's process ID by being tied to the spawned shell.
exec("exec $cmd") || die "Can't exec() $cmd: $!";
# exec() will create a new process, but ties the existence of the
# new process to the parent waiting perl.exe and sh.exe processes.
# exec() should never return back here to this process. We protect
# ourselves by calling die() just in case something goes really bad.
die "error: exec() has returned";
}
#***************************************************************************
# Run stunnel.
#
my $rc = system($cmd);
$rc >>= 8;
unlink($conffile) if($conffile && -f $conffile);
exit $rc;