Commit 964f2788 authored by Matt Caswell's avatar Matt Caswell
Browse files

Add a test for a missing sig algs extension



Check that a missing sig algs extension succeeds if we are resuming.

Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3478)
parent 108d45df
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+23 −3
Original line number Diff line number Diff line
@@ -42,15 +42,15 @@ use constant {
    ILLEGAL_EXT_SECOND_CH => 1
};

#Most PSK tests are done in test_ssl_new. This just checks sending a PSK
#extension when it isn't in the last place in a ClientHello
#Most PSK tests are done in test_ssl_new. This tests various failure scenarios
#around PSK

#Test 1: First get a session
(undef, my $session) = tempfile();
$proxy->clientflags("-sess_out ".$session);
$proxy->sessionfile($session);
$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
plan tests => 4;
plan tests => 5;
ok(TLSProxy::Message->success(), "Initial connection");

#Test 2: Attempt a resume with PSK not in last place. Should fail
@@ -94,6 +94,13 @@ $pskseen = $ch2seen
           && defined ${$ch2->extension_data}{TLSProxy::Message::EXT_PSK};
ok($ch2seen && !$pskseen, "PSK hash does not match");

#Test 5: Attempt a resume without a sig agls extension. Should succeed because
#        sig algs is not needed in a resumption.
$proxy->clear();
$proxy->clientflags("-sess_in ".$session);
$proxy->filter(\&remove_sig_algs_filter);
$proxy->start();
ok(TLSProxy::Message->success(), "Remove sig algs");

unlink $session;

@@ -129,3 +136,16 @@ sub modify_psk_filter
    }
    $message->repack();
}

sub remove_sig_algs_filter
{
    my $proxy = shift;
    my $message;

    # Only look at the first ClientHello
    return if $proxy->flight != 0;

    $message = ${$proxy->message_list}[0];
    $message->delete_extension(TLSProxy::Message::EXT_SIG_ALGS);
    $message->repack();
}