mirror of
https://github.com/ovh/the-bastion.git
synced 2024-09-20 15:05:58 +08:00
101 lines
3.7 KiB
Perl
Executable file
101 lines
3.7 KiB
Perl
Executable file
#! /usr/bin/env perl
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# vim: set filetype=perl ts=4 sw=4 sts=4 et:
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use common::sense;
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use File::Basename;
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use lib dirname(__FILE__) . '/../../lib/perl';
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use OVH::Bastion;
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use OVH::Bastion::ProxyHTTP;
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$ENV{'FORCE_STDERR'} = 1;
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$ENV{'PATH'} = '/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/pkg/bin';
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my $fnret = OVH::Bastion::load_configuration_file(
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file => OVH::Bastion::main_configuration_directory() . "/osh-http-proxy.conf",
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secure => 1,
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);
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if (not $fnret) {
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osh_warn "Error loading configuration: " . $fnret->msg;
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exit 1;
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}
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my $config = $fnret->value();
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# config check
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if (not $config->{'enabled'}) {
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osh_warn "The HTTP Proxy is disabled by configuration";
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exit 0; # exit with a success so that systemd doesn't try to restart us
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}
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$fnret = OVH::Bastion::is_valid_port(port => $config->{'port'});
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if (!$fnret) {
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osh_warn "Bad configuration: " . $fnret->msg;
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exit 1;
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}
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my %options;
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if ($config->{'ciphers'}) {
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$options{'SSL_cipher_list'} = $config->{'ciphers'};
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$options{'SSL_honor_cipher_order'} = 1;
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}
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my $_normalize_config_integer = sub {
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my ($param, $min, $max, $default) = @_;
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if ( !defined $config->{$param}
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|| $config->{$param} !~ /^\d+$/
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|| $config->{$param} < $min
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|| $config->{$param} > $max)
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{
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$config->{$param} = $default;
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}
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};
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$_normalize_config_integer->('timeout', 1, 3600, 120);
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$_normalize_config_integer->('min_servers', 1, 512, 8);
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$_normalize_config_integer->('max_servers', 1, 512, 32);
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$_normalize_config_integer->('min_spare_servers', 1, 512, 8);
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$_normalize_config_integer->('max_spare_servers', 1, 512, 16);
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$_normalize_config_integer->('log_request_response_max_size', 0, 1024 * 1024 * 1024, 65536);
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foreach my $file ($config->{'ssl_key'}, $config->{'ssl_certificate'}) {
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if (!(-r -f $file)) {
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osh_warn "Bad configuration: file '$file' doesn't exist, is not readable, or is not a file";
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exit 1;
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}
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}
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# this option is enabled by default if omitted
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$config->{'log_request_response'} //= 1;
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OVH::Bastion::ProxyHTTP->new()->run(
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%options,
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port => $config->{'port'} . '/ssl',
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SSL_key_file => $config->{'ssl_key'},
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SSL_cert_file => $config->{'ssl_certificate'},
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ipv => 4,
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server_type => 'PreFork',
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max_requests => 1, # DO NOT TOUCH, anything else that this seems to mix requests/answers (!?)
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min_servers => $config->{'min_servers'},
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max_servers => $config->{'max_servers'},
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min_spare_servers => $config->{'min_spare_servers'},
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max_spare_servers => $config->{'max_spare_servers'},
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access_log_file => "/home/proxyhttp/access.log",
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# This is the max time allowed for http_process_request(), which is where we spawn our worker.
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# This value is defined when the proxy starts and is only applicable to the master process, hence it can't be
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# modified afterwards with X-Bastion-Timeout.
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# So we set it to the max value allowed for X-Bastion-Timeout,
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# which is also the max allowed value of the 'timeout' config param (see above).
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timeout_idle => 3600,
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proxy_config => {
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insecure => $config->{'insecure'} ? 1 : 0,
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timeout => $config->{'timeout'}, # our worker will wait for up to this amount of time for the egress connection to complete
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log_request_response => $config->{'log_request_response'} ? 1 : 0,
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log_request_response_max_size => $config->{'log_request_response_max_size'},
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},
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) or die "Proxy launch failed!";
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# not reachable
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osh_warn "Proxy exited!?";
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exit 1;
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