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refactor t_load to use test.cfg as base

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yrutschle 2021-05-09 16:40:38 +02:00
parent 8e130882fc
commit 79f49f4481
1 changed files with 98 additions and 67 deletions
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165
t_load
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@ -14,23 +14,22 @@
use strict; use strict;
use IO::Socket::INET6; use IO::Socket::INET6;
use Data::Dumper; use Data::Dumper;
use Conf::Libconfig;
## BEGIN TEST CONFIG ## BEGIN TEST CONFIG
# Do we test sslh-select or sslh-fork? # Do we test sslh-select or sslh-fork?
my $sslh_binary = "./sslh-select"; my $sslh_binary = "./sslh-select";
# How many clients to we start for each protocol? # How many total clients to we start? Each client will pick
my $NUM_CNX = 30; # a new protocol among what's in test.cfg.
my $NUM_CNX = 20;
# Delay between starting new processes when starting up. If # Delay between starting new processes when starting up. If
# you start 200 processes in under a second, things go wrong # you start 200 processes in under a second, things go wrong
# and it's not sslh's fault (typically the echosrv won't be # and it's not sslh's fault (typically the echosrv won't be
# forking fast enough). # forking fast enough).
my $start_time_delay = .1; my $start_time_delay = .5;
# If you test 4 protocols, you'll start $NUM_CNX * 4 clients
# (e.g. 40), starting one every $start_time_delay seconds.
# Max times we repeat the test string: allows to test for # Max times we repeat the test string: allows to test for
# large messages. # large messages.
@ -41,71 +40,85 @@ my $block_rpt = 4096;
# disconnecting). # disconnecting).
my $stop_client_probability = .001; my $stop_client_probability = .001;
# What protocols we test, and on what ports
# Just comment out protocols you don't want to use.
my %protocols = (
"ssh" => { address => "localhost:9000" },
# "tls" => { address => "localhost:9002", client => client("tls") },
"openvpn" => {address => "localhost:9004" },
"tinc" => {address => "localhost:9003" },
);
##END CONFIG ##END CONFIG
my $conf = new Conf::Libconfig;
my $sslh_address = "localhost:8080"; $conf->read_file("test.cfg");
my $pidfile = "/tmp/sslh_test.pid";
# Pick one address for TCP and one for UDP
my @listen = @{$conf->fetch_array("listen")};
my ($sslh_tcp_address, $sslh_udp_address);
foreach my $l (@listen) {
if ($l->{is_udp}) {
$sslh_udp_address //= "$l->{host}:$l->{port}";
last if defined $sslh_tcp_address;
} else {
$sslh_tcp_address //= "$l->{host}:$l->{port}";
last if defined $sslh_udp_address;
}
}
# code snippets to connect to each protocol
my %connect_params = (
ssh => {
sleep => 20, # So it times out 50% of connections
test_data => "SSH-2.0 hello",
resp_len => 18, # length "ssh: SSH-2.0 hello" => 18
},
tinc => {
sleep => 10,
test_data => "0 ",
resp_len => 8, # length "tinc: 0 " => 10
},
openvpn => {
sleep => 10,
test_data => "\x00\x00",
resp_len => 11, # length "openvpn: \x0\x0" => 11
},
);
sub connect_service { sub connect_service {
my ($cnx, $service) = @_; my ($cnx, $service) = @_;
my ($test_data, $r); my $params = $connect_params{$service};
sleep rand $params->{sleep};
my $test_data = $params->{test_data};
syswrite $cnx, $test_data;
sleep 1;
sysread $cnx, my $r, $params->{resp_len};
if ($service eq "ssh") {
sleep rand 20;
$test_data = "SSH-2.0 hello";
syswrite $cnx, $test_data;
sleep 1;
sysread $cnx, $r, 18; # length "ssh: SSH-2.0 hello" => 18
}
if ($service eq "openvpn") {
sleep rand 10;
$test_data = "\x00\x00";
syswrite $cnx, $test_data;
sleep 1;
sysread $cnx, $r, 11; # length "openvpn: \x0\x0" => 11
}
if ($service eq "tinc") {
sleep rand 10;
$test_data = "0 ";
syswrite $cnx, $test_data;
sleep 1;
sysread $cnx, $r, 8; # length "tinc: 0 " => 10
}
my $expected = "$service: $test_data"; my $expected = "$service: $test_data";
return ($r eq $expected); return ($r eq $expected);
} }
sub client { sub client {
my ($service, $client_id, $fd_out) = @_; my ($protocol, $client_id, $fd_out) = @_;
my $service = $protocol->{name};
while (1) { while (1) {
my $r; my $r;
my $cnx = new IO::Socket::INET(PeerHost => $sslh_address); warn "$client_id: connect $sslh_tcp_address\n";
my $cnx = new IO::Socket::INET(PeerHost => $sslh_tcp_address);
die "$@\n" if (!$cnx); die "$@\n" if (!$cnx);
my $cnt = 0; my $cnt = 0;
warn "starting $service\n"; warn "$client_id: connecting $service\n";
if (not connect_service($cnx, $service)) { if (not connect_service($cnx, $service)) {
print $fd_out "$client_id\t0\tC\n"; print $fd_out "$client_id\t0\tC\n";
warn "$client_id: connecting failed\n";
exit; exit;
} }
warn "$client_id: shoveling $service\n";
while (1) { while (1) {
my $test_data = "$service $cnt" x int(rand($block_rpt)+1) . "\n"; my $test_data = "$service $cnt" x int(rand($block_rpt)+1) . "\n";
print $cnx $test_data; print $cnx $test_data;
@ -128,11 +141,13 @@ sub client {
exit 0; exit 0;
} }
foreach my $p (keys %protocols) { foreach my $p (@{$conf->fetch_array("protocols")}) {
if (!fork) { if (!fork) {
my $cmd = "./echosrv --listen $protocols{$p}->{address} --prefix '$p: '"; my $udp = $p->{is_udp} ? "--udp" : "";
my $cmd = "./echosrv $udp -p $p->{host}:$p->{port} --prefix '$p->{name}: '";
warn "$cmd\n"; warn "$cmd\n";
exec $cmd; exec $cmd;
exit;
} }
} }
@ -140,57 +155,73 @@ foreach my $p (keys %protocols) {
my $sslh_pid; my $sslh_pid;
if (0) { if (0) {
if (!($sslh_pid = fork)) { if (!($sslh_pid = fork)) {
my $user = (getpwuid $<)[0]; # Run under current username my $cmd = "$sslh_binary -F test.cfg";
my $prots = join " ", map "--$_ $protocols{$_}->{address}", keys %protocols;
my $cmd = "$sslh_binary -f -v3 -t 3 -u $user --listen $sslh_address $prots -P $pidfile";
warn "$cmd\n"; warn "$cmd\n";
exec $cmd; exec $cmd;
exit 0;
} }
warn "spawned $sslh_pid\n"; warn "spawned $sslh_pid\n";
sleep 2; # valgrind can be heavy -- wait 5 seconds
} }
sleep 2; # Let echosrv's and sslh start
my ($c_in, $c_out); my ($c_in, $c_out);
pipe $c_in, $c_out; pipe $c_in, $c_out;
my @protocols = @{$conf->fetch_array("protocols")};
if (!fork) { if (!fork) {
# Process that starts all the clients # Process that starts all the clients
for my $client_id (1 .. $NUM_CNX) { for my $client_num (1 .. $NUM_CNX) {
foreach my $p (keys %protocols) {
if (!fork) { if (!fork) {
client($p, "$p$client_id", $c_out); my @supported_protocols = keys %connect_params;
my $p_name = $supported_protocols[rand @supported_protocols];
my @p = grep { $_->{name} eq $p_name } @protocols;
my $p = shift @p;
if ($p->{is_udp}) {
} else {
client($p, "$p->{name}$client_num", $c_out);
}
exit; exit;
} }
# Give a little time so we don't overrun the # Give a little time so we don't overrun the
# listen(2) backlog. # listen(2) backlog.
select undef, undef, undef, $start_time_delay; select undef, undef, undef, $start_time_delay;
}
} }
exit;
} else { } else {
my %data; my %data;
# Process that retrieves client output to pretty print # The condition here selects between pretty output or
print "\033[2J"; # raw output
while (<$c_in>) { if (1) {
chop; # Process that retrieves client output to pretty print
my ($client_id, $r_l, $error, @rest) = split /\t/, $_; print "\033[2J";
while (<$c_in>) {
chop;
my ($client_id, $r_l, $error, @rest) = split /\t/, $_;
my ($curr_rcv) = ${$data{$client_id}}[0]; my ($curr_rcv) = ${$data{$client_id}}[0];
my ($curr_error) = ${$data{$client_id}}[1] // ""; my ($curr_error) = ${$data{$client_id}}[1] // "";
$error //= ""; $error //= "";
$data{$client_id} = [ $r_l + $curr_rcv, "$curr_error$error" ]; $data{$client_id} = [ $r_l + $curr_rcv, "$curr_error$error" ];
print "\033[0;0H"; print "\033[0;0H";
foreach my $i (sort keys %data) { foreach my $i (sort keys %data) {
($r_l, $error) = @{$data{$i}}; ($r_l, $error) = @{$data{$i}};
print "\033[2K$i\t$r_l\t$error\n"; print "\033[2K$i\t$r_l\t$error\n";
}
}
} else {
# Just print the client outputs
while (<$c_in>) {
print;
} }
} }
} }
warn "waiting\n";
wait; wait;
warn "finished waiting\n";
`killall echosrv`; `killall echosrv`;