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SqMod/vendor/ZMQ/tests/testutil_security.cpp
Sandu Liviu Catalin fc9419677f Initial ZMQ bindings.
2021-02-02 19:07:02 +02:00

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/*
Copyright (c) 2007-2019 Contributors as noted in the AUTHORS file
This file is part of libzmq, the ZeroMQ core engine in C++.
libzmq is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
As a special exception, the Contributors give you permission to link
this library with independent modules to produce an executable,
regardless of the license terms of these independent modules, and to
copy and distribute the resulting executable under terms of your choice,
provided that you also meet, for each linked independent module, the
terms and conditions of the license of that module. An independent
module is a module which is not derived from or based on this library.
If you modify this library, you must extend this exception to your
version of the library.
libzmq is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "testutil_security.hpp"
#include <stdlib.h>
#include <string.h>
const char *test_zap_domain = "ZAPTEST";
void socket_config_null_client (void *server_, void *server_secret_)
{
LIBZMQ_UNUSED (server_);
LIBZMQ_UNUSED (server_secret_);
}
void socket_config_null_server (void *server_, void *server_secret_)
{
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
server_, ZMQ_ZAP_DOMAIN, test_zap_domain, strlen (test_zap_domain)));
#ifdef ZMQ_ZAP_ENFORCE_DOMAIN
int required = server_secret_ ? *static_cast<int *> (server_secret_) : 0;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (server_, ZMQ_ZAP_ENFORCE_DOMAIN,
&required, sizeof (int)));
#else
LIBZMQ_UNUSED (server_secret_);
#endif
}
static const char test_plain_username[] = "testuser";
static const char test_plain_password[] = "testpass";
void socket_config_plain_client (void *server_, void *server_secret_)
{
LIBZMQ_UNUSED (server_secret_);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (server_, ZMQ_PLAIN_PASSWORD, test_plain_password, 8));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (server_, ZMQ_PLAIN_USERNAME, test_plain_username, 8));
}
void socket_config_plain_server (void *server_, void *server_secret_)
{
LIBZMQ_UNUSED (server_secret_);
int as_server = 1;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (server_, ZMQ_PLAIN_SERVER, &as_server, sizeof (int)));
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
server_, ZMQ_ZAP_DOMAIN, test_zap_domain, strlen (test_zap_domain)));
}
char valid_client_public[41];
char valid_client_secret[41];
char valid_server_public[41];
char valid_server_secret[41];
void setup_testutil_security_curve ()
{
// Generate new keypairs for these tests
TEST_ASSERT_SUCCESS_ERRNO (
zmq_curve_keypair (valid_client_public, valid_client_secret));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_curve_keypair (valid_server_public, valid_server_secret));
}
void socket_config_curve_server (void *server_, void *server_secret_)
{
int as_server = 1;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (server_, ZMQ_CURVE_SERVER, &as_server, sizeof (int)));
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (server_, ZMQ_CURVE_SECRETKEY, server_secret_, 41));
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
server_, ZMQ_ZAP_DOMAIN, test_zap_domain, strlen (test_zap_domain)));
#ifdef ZMQ_ZAP_ENFORCE_DOMAIN
int required = 1;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (server_, ZMQ_ZAP_ENFORCE_DOMAIN,
&required, sizeof (int)));
#endif
}
void socket_config_curve_client (void *client_, void *data_)
{
const curve_client_data_t *const curve_client_data =
static_cast<const curve_client_data_t *> (data_);
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
client_, ZMQ_CURVE_SERVERKEY, curve_client_data->server_public, 41));
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
client_, ZMQ_CURVE_PUBLICKEY, curve_client_data->client_public, 41));
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
client_, ZMQ_CURVE_SECRETKEY, curve_client_data->client_secret, 41));
}
void *zap_requests_handled;
void zap_handler_generic (zap_protocol_t zap_protocol_,
const char *expected_routing_id_)
{
void *control = zmq_socket (get_test_context (), ZMQ_REQ);
TEST_ASSERT_NOT_NULL (control);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_connect (control, "inproc://handler-control"));
void *handler = zmq_socket (get_test_context (), ZMQ_REP);
TEST_ASSERT_NOT_NULL (handler);
TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (handler, "inproc://zeromq.zap.01"));
// Signal main thread that we are ready
send_string_expect_success (control, "GO", 0);
zmq_pollitem_t items[] = {
{control, 0, ZMQ_POLLIN, 0},
{handler, 0, ZMQ_POLLIN, 0},
};
// if ordered not to receive the request, ignore the second poll item
const int numitems = (zap_protocol_ == zap_do_not_recv) ? 1 : 2;
// Process ZAP requests forever
while (zmq_poll (items, numitems, -1) >= 0) {
if (items[0].revents & ZMQ_POLLIN) {
recv_string_expect_success (control, "STOP", 0);
break; // Terminating - main thread signal
}
if (!(items[1].revents & ZMQ_POLLIN))
continue;
char *version = s_recv (handler);
if (!version)
break; // Terminating - peer's socket closed
if (zap_protocol_ == zap_disconnect) {
free (version);
break;
}
char *sequence = s_recv (handler);
char *domain = s_recv (handler);
char *address = s_recv (handler);
char *routing_id = s_recv (handler);
char *mechanism = s_recv (handler);
bool authentication_succeeded = false;
if (streq (mechanism, "CURVE")) {
uint8_t client_key[32];
TEST_ASSERT_EQUAL_INT (32, TEST_ASSERT_SUCCESS_ERRNO (zmq_recv (
handler, client_key, 32, 0)));
char client_key_text[41];
zmq_z85_encode (client_key_text, client_key, 32);
authentication_succeeded =
streq (client_key_text, valid_client_public);
} else if (streq (mechanism, "PLAIN")) {
char client_username[32];
int size = TEST_ASSERT_SUCCESS_ERRNO (
zmq_recv (handler, client_username, 32, 0));
client_username[size] = 0;
char client_password[32];
size = TEST_ASSERT_SUCCESS_ERRNO (
zmq_recv (handler, client_password, 32, 0));
client_password[size] = 0;
authentication_succeeded =
streq (test_plain_username, client_username)
&& streq (test_plain_password, client_password);
} else if (streq (mechanism, "NULL")) {
authentication_succeeded = true;
} else {
char msg[128];
printf ("Unsupported mechanism: %s\n", mechanism);
TEST_FAIL_MESSAGE (msg);
}
TEST_ASSERT_EQUAL_STRING ("1.0", version);
TEST_ASSERT_EQUAL_STRING (expected_routing_id_, routing_id);
send_string_expect_success (
handler,
zap_protocol_ == zap_wrong_version ? "invalid_version" : version,
ZMQ_SNDMORE);
send_string_expect_success (handler,
zap_protocol_ == zap_wrong_request_id
? "invalid_request_id"
: sequence,
ZMQ_SNDMORE);
if (authentication_succeeded) {
const char *status_code;
switch (zap_protocol_) {
case zap_status_internal_error:
status_code = "500";
break;
case zap_status_temporary_failure:
status_code = "300";
break;
case zap_status_invalid:
status_code = "invalid_status";
break;
default:
status_code = "200";
}
send_string_expect_success (handler, status_code, ZMQ_SNDMORE);
send_string_expect_success (handler, "OK", ZMQ_SNDMORE);
send_string_expect_success (handler, "anonymous", ZMQ_SNDMORE);
if (zap_protocol_ == zap_too_many_parts) {
send_string_expect_success (handler, "", ZMQ_SNDMORE);
}
if (zap_protocol_ != zap_do_not_send)
send_string_expect_success (handler, "", 0);
} else {
send_string_expect_success (handler, "400", ZMQ_SNDMORE);
send_string_expect_success (handler, "Invalid client public key",
ZMQ_SNDMORE);
send_string_expect_success (handler, "", ZMQ_SNDMORE);
if (zap_protocol_ != zap_do_not_send)
send_string_expect_success (handler, "", 0);
}
free (version);
free (sequence);
free (domain);
free (address);
free (routing_id);
free (mechanism);
zmq_atomic_counter_inc (zap_requests_handled);
}
TEST_ASSERT_SUCCESS_ERRNO (zmq_unbind (handler, "inproc://zeromq.zap.01"));
close_zero_linger (handler);
if (zap_protocol_ != zap_disconnect) {
send_string_expect_success (control, "STOPPED", 0);
}
close_zero_linger (control);
}
void zap_handler (void *)
{
zap_handler_generic (zap_ok);
}
static void setup_handshake_socket_monitor (void *server_,
void **server_mon_,
const char *monitor_endpoint_)
{
// Monitor handshake events on the server
TEST_ASSERT_SUCCESS_ERRNO (zmq_socket_monitor (
server_, monitor_endpoint_,
ZMQ_EVENT_HANDSHAKE_SUCCEEDED | ZMQ_EVENT_HANDSHAKE_FAILED_NO_DETAIL
| ZMQ_EVENT_HANDSHAKE_FAILED_AUTH
| ZMQ_EVENT_HANDSHAKE_FAILED_PROTOCOL));
// Create socket for collecting monitor events
*server_mon_ = test_context_socket (ZMQ_PAIR);
int linger = 0;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (*server_mon_, ZMQ_LINGER, &linger, sizeof (linger)));
// Connect it to the inproc endpoints so they'll get events
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (*server_mon_, monitor_endpoint_));
}
void setup_context_and_server_side (void **zap_control_,
void **zap_thread_,
void **server_,
void **server_mon_,
char *my_endpoint_,
zmq_thread_fn zap_handler_,
socket_config_fn socket_config_,
void *socket_config_data_,
const char *routing_id_)
{
// Spawn ZAP handler
zap_requests_handled = zmq_atomic_counter_new ();
TEST_ASSERT_NOT_NULL (zap_requests_handled);
*zap_control_ = test_context_socket (ZMQ_REP);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_bind (*zap_control_, "inproc://handler-control"));
int linger = 0;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (*zap_control_, ZMQ_LINGER, &linger, sizeof (linger)));
if (zap_handler_ != NULL) {
*zap_thread_ = zmq_threadstart (zap_handler_, NULL);
recv_string_expect_success (*zap_control_, "GO", 0);
} else
*zap_thread_ = NULL;
// Server socket will accept connections
*server_ = test_context_socket (ZMQ_DEALER);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (*server_, ZMQ_LINGER, &linger, sizeof (linger)));
// As per API by default there's no limit to the size of a message,
// but the sanitizer allocator will barf over a gig or so
int64_t max_msg_size = 64 * 1024 * 1024;
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
*server_, ZMQ_MAXMSGSIZE, &max_msg_size, sizeof (int64_t)));
socket_config_ (*server_, socket_config_data_);
TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
*server_, ZMQ_ROUTING_ID, routing_id_, strlen (routing_id_)));
bind_loopback_ipv4 (*server_, my_endpoint_, MAX_SOCKET_STRING);
const char server_monitor_endpoint[] = "inproc://monitor-server";
setup_handshake_socket_monitor (*server_, server_mon_,
server_monitor_endpoint);
}
void shutdown_context_and_server_side (void *zap_thread_,
void *server_,
void *server_mon_,
void *zap_control_,
bool zap_handler_stopped_)
{
if (zap_thread_ && !zap_handler_stopped_) {
send_string_expect_success (zap_control_, "STOP", 0);
recv_string_expect_success (zap_control_, "STOPPED", 0);
TEST_ASSERT_SUCCESS_ERRNO (
zmq_unbind (zap_control_, "inproc://handler-control"));
}
test_context_socket_close (zap_control_);
zmq_socket_monitor (server_, NULL, 0);
test_context_socket_close (server_mon_);
test_context_socket_close (server_);
// Wait until ZAP handler terminates
if (zap_thread_)
zmq_threadclose (zap_thread_);
zmq_atomic_counter_destroy (&zap_requests_handled);
}
void *create_and_connect_client (char *my_endpoint_,
socket_config_fn socket_config_,
void *socket_config_data_,
void **client_mon_)
{
void *client = test_context_socket (ZMQ_DEALER);
// As per API by default there's no limit to the size of a message,
// but the sanitizer allocator will barf over a gig or so
int64_t max_msg_size = 64 * 1024 * 1024;
TEST_ASSERT_SUCCESS_ERRNO (
zmq_setsockopt (client, ZMQ_MAXMSGSIZE, &max_msg_size, sizeof (int64_t)));
socket_config_ (client, socket_config_data_);
TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (client, my_endpoint_));
if (client_mon_) {
setup_handshake_socket_monitor (client, client_mon_,
"inproc://client-monitor");
}
return client;
}
void expect_new_client_bounce_fail (char *my_endpoint_,
void *server_,
socket_config_fn socket_config_,
void *socket_config_data_,
void **client_mon_,
int expected_client_event_,
int expected_client_value_)
{
void *my_client_mon = NULL;
TEST_ASSERT_TRUE (client_mon_ == NULL || expected_client_event_ == 0);
if (expected_client_event_ != 0)
client_mon_ = &my_client_mon;
void *client = create_and_connect_client (my_endpoint_, socket_config_,
socket_config_data_, client_mon_);
expect_bounce_fail (server_, client);
if (expected_client_event_ != 0) {
int events_received = 0;
events_received = expect_monitor_event_multiple (
my_client_mon, expected_client_event_, expected_client_value_, false);
TEST_ASSERT_EQUAL_INT (1, events_received);
test_context_socket_close (my_client_mon);
}
test_context_socket_close_zero_linger (client);
}
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