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test-tr_tls.c
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test-tr_tls.c
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/**
* Copyright (c) 2014,2015 NetEase, Inc. and other Pomelo contributors
* MIT Licensed.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <pitaya.h>
#include <pitaya_trans.h>
#include "test_common.h"
#include "pc_assert.h"
#include "flag.h"
static pc_client_t *g_client = NULL;
static int EV_ORDER[] = {
PC_EV_CONNECTED,
PC_EV_DISCONNECT,
};
static void
key_not_pinned_event_cb(pc_client_t* client, int ev_type, void* ex_data, const char* arg1, const char* arg2)
{
Unused(client); Unused(arg1); Unused(arg2);
static int EVENTS[] = {
PC_EV_CONNECT_FAILED,
};
flag_t *flag = (flag_t*)ex_data;
int num_called = flag_get_num_called(flag);
assert_int(num_called, <=, ArrayCount(EVENTS));
assert_int(ev_type, ==, EVENTS[num_called]);
flag_set(flag);
}
static void
key_pinned_event_cb(pc_client_t* client, int ev_type, void* ex_data, const char* arg1, const char* arg2)
{
Unused(client); Unused(arg1); Unused(arg2);
static int EVENTS[] = {
PC_EV_CONNECTED,
PC_EV_DISCONNECT,
};
flag_t *flag = (flag_t*)ex_data;
int num_called = flag_get_num_called(flag);
assert_int(ev_type, ==, EVENTS[num_called]);
assert_int(num_called, <, ArrayCount(EVENTS));
flag_set(flag);
}
static void
event_cb(pc_client_t* client, int ev_type, void* ex_data, const char* arg1, const char* arg2)
{
Unused(client); Unused(arg1); Unused(arg2);
flag_t *flag = (flag_t*)ex_data;
int num_called = flag_get_num_called(flag);
assert_int(ev_type, ==, EV_ORDER[num_called]);
assert_int(num_called, <, ArrayCount(EV_ORDER));
flag_set(flag);
}
static void
request_cb(const pc_request_t* req, const pc_buf_t *resp)
{
flag_t *flag = (flag_t*)pc_request_ex_data(req);
assert_not_null(resp);
assert_ptr_equal(pc_request_client(req), g_client);
assert_string_equal(pc_request_route(req), REQ_ROUTE);
assert_string_equal(pc_request_msg(req), REQ_MSG);
assert_int(pc_request_timeout(req), ==, REQ_TIMEOUT);
flag_set(flag);
}
static void
notify_cb(const pc_notify_t* noti, const pc_error_t *err)
{
flag_t *flag= (flag_t*)pc_notify_ex_data(noti);
flag_set(flag);
}
static MunitResult
test_add_key_pinned_errors(const MunitParameter params[], void *state)
{
assert_int(pc_lib_add_pinned_public_key_from_certificate_file("fixtures/asoijdoaisjdisajd"), ==, PC_RC_NO_SUCH_FILE);
assert_int(pc_lib_add_pinned_public_key_from_certificate_file("fixtures/corrupt-ca.crt"), ==, PC_RC_ERROR);
assert_int(pc_lib_add_pinned_public_key_from_certificate_file("fixtures/myCA.pem"), ==, PC_RC_OK);
pc_lib_clear_pinned_public_keys();
return MUNIT_OK;
}
static MunitResult
test_key_pinned(const MunitParameter params[], void *state)
{
pc_lib_skip_key_pin_check(false);
for (int i = 0; i < 3; ++i) {
flag_t flag = flag_make();
const char *ca_array[] = {
CRT, INCORRECT_CRT, SERVER_CRT,
};
// This switch means that it does not matter how many items are added to the array,
// if one is valid it always should work.
switch (i) {
case 0:
pc_lib_add_pinned_public_key_from_certificate_file(ca_array[2]);
break;
case 1:
pc_lib_add_pinned_public_key_from_certificate_file(ca_array[0]);
pc_lib_add_pinned_public_key_from_certificate_file(ca_array[2]);
break;
case 2:
pc_lib_add_pinned_public_key_from_certificate_file(ca_array[0]);
pc_lib_add_pinned_public_key_from_certificate_file(ca_array[1]);
pc_lib_add_pinned_public_key_from_certificate_file(ca_array[2]);
break;
default:
assert(false);
}
pc_client_config_t config = PC_CLIENT_CONFIG_TEST;
config.transport_name = PC_TR_NAME_UV_TLS;
pc_client_init_result_t res = pc_client_init(NULL, &config);
g_client = res.client;
assert_int(res.rc, ==, PC_RC_OK);
int handler_id = pc_client_add_ev_handler(g_client, key_pinned_event_cb, &flag, NULL);
assert_int(handler_id, !=, PC_EV_INVALID_HANDLER_ID);
assert_int(tr_uv_tls_set_ca_file(CRT, NULL), ==, PC_RC_OK);
assert_int(pc_client_connect(g_client, PITAYA_SERVER_URL, g_test_server.tls_port, NULL), ==, PC_RC_OK);
assert_int(flag_wait(&flag, 60), ==, FLAG_SET);
assert_int(pc_client_disconnect(g_client), ==, PC_RC_OK);
assert_int(flag_wait(&flag, 60), ==, FLAG_SET);
assert_int(pc_client_rm_ev_handler(g_client, handler_id), ==, PC_RC_OK);
assert_int(pc_client_cleanup(g_client), ==, PC_RC_OK);
pc_lib_clear_pinned_public_keys();
flag_cleanup(&flag);
}
pc_lib_skip_key_pin_check(true);
return MUNIT_OK;
}
static MunitResult
test_key_not_pinned(const MunitParameter params[], void *state)
{
flag_t flag = flag_make();
pc_lib_add_pinned_public_key_from_certificate_file("fixtures/server/pitaya.crt");
pc_lib_clear_pinned_public_keys();
pc_lib_skip_key_pin_check(false);
pc_client_config_t config = PC_CLIENT_CONFIG_TEST;
config.transport_name = PC_TR_NAME_UV_TLS;
pc_client_init_result_t res = pc_client_init(NULL, &config);
g_client = res.client;
assert_int(res.rc, ==, PC_RC_OK);
int handler_id = pc_client_add_ev_handler(g_client, key_not_pinned_event_cb, &flag, NULL);
assert_int(handler_id, !=, PC_EV_INVALID_HANDLER_ID);
assert_int(tr_uv_tls_set_ca_file(CRT, NULL), ==, PC_RC_OK);
assert_int(pc_client_connect(g_client, PITAYA_SERVER_URL, g_test_server.tls_port, NULL), ==, PC_RC_OK);
assert_int(flag_wait(&flag, 60), ==, FLAG_SET);
assert_int(pc_client_state(g_client), ==, PC_ST_INITED);
assert_int(pc_client_rm_ev_handler(g_client, handler_id), ==, PC_RC_OK);
assert_int(pc_client_cleanup(g_client), ==, PC_RC_OK);
pc_lib_skip_key_pin_check(true);
flag_cleanup(&flag);
return MUNIT_OK;
}
static MunitResult
test_successful_handshake(const MunitParameter params[], void *state)
{
Unused(state); Unused(params);
flag_t flag_evs = flag_make();
flag_t flag_req_not = flag_make();
pc_lib_add_pinned_public_key_from_certificate_file(SERVER_CRT);
pc_client_config_t config = PC_CLIENT_CONFIG_DEFAULT;
config.transport_name = PC_TR_NAME_UV_TLS;
pc_client_init_result_t res = pc_client_init(NULL, &config);
g_client = res.client;
assert_int(res.rc, ==, PC_RC_OK);
int handler_id = pc_client_add_ev_handler(g_client, event_cb, &flag_evs, NULL);
assert_int(handler_id, !=, PC_EV_INVALID_HANDLER_ID);
// Set CA file so that the handshake is successful.
assert_int(tr_uv_tls_set_ca_file(CRT, NULL), ==, PC_RC_OK);
assert_int(pc_client_connect(g_client, PITAYA_SERVER_URL, g_test_server.tls_port, NULL), ==, PC_RC_OK);
assert_int(flag_wait(&flag_evs, 60), ==, FLAG_SET);
assert_int(pc_string_request_with_timeout(g_client, REQ_ROUTE, REQ_MSG, &flag_req_not, REQ_TIMEOUT, request_cb, NULL), ==, PC_RC_OK);
assert_int(flag_wait(&flag_req_not, 60), ==, FLAG_SET);
assert_int(pc_string_notify_with_timeout(g_client, NOTI_ROUTE, NOTI_MSG, &flag_req_not, NOTI_TIMEOUT, notify_cb), ==, PC_RC_OK);
assert_int(flag_wait(&flag_req_not, 4), ==, FLAG_TIMEOUT);
assert_int(pc_client_disconnect(g_client), ==, PC_RC_OK);
assert_int(flag_wait(&flag_evs, 60), ==, FLAG_SET);
assert_int(pc_client_rm_ev_handler(g_client, handler_id), ==, PC_RC_OK);
assert_int(pc_client_cleanup(g_client), ==, PC_RC_OK);
pc_lib_clear_pinned_public_keys();
flag_cleanup(&flag_evs);
flag_cleanup(&flag_req_not);
return MUNIT_OK;
}
static void
connect_failed_event_cb(pc_client_t* client, int ev_type, void* ex_data, const char* arg1, const char* arg2)
{
Unused(client);
flag_t *flag = (flag_t*)ex_data;
assert_int(ev_type, ==, PC_EV_CONNECT_FAILED);
assert_string_equal(arg1, "TLS Handshake Error");
assert_null(arg2);
flag_set(flag);
}
static void
test_invalid_handshake()
{
flag_t flag = flag_make();
int handler_id = pc_client_add_ev_handler(g_client, connect_failed_event_cb, &flag, NULL);
assert_int(handler_id, !=, PC_EV_INVALID_HANDLER_ID);
assert_int(pc_client_connect(g_client, PITAYA_SERVER_URL, g_test_server.tls_port, NULL), ==, PC_RC_OK);
assert_int(flag_wait(&flag, 60), ==, FLAG_SET);
assert_int(pc_client_disconnect(g_client), ==, PC_RC_INVALID_STATE);
assert_int(pc_client_rm_ev_handler(g_client, handler_id), ==, PC_RC_OK);
flag_cleanup(&flag);
}
static MunitResult
test_no_client_certificate(const MunitParameter params[], void *state)
{
Unused(state); Unused(params);
pc_client_config_t config = PC_CLIENT_CONFIG_DEFAULT;
config.transport_name = PC_TR_NAME_UV_TLS;
pc_client_init_result_t res = pc_client_init(NULL, &config);
g_client = res.client;
assert_int(res.rc, ==, PC_RC_OK);
// Without setting a CA file, the handshake should fail.
test_invalid_handshake();
// Setting an unexistent CA file should fail the function and also fail the handshake.
assert_int(tr_uv_tls_set_ca_file("./this/ca/does/not/exist.crt", NULL), ==, PC_RC_ERROR);
test_invalid_handshake();
assert_int(pc_client_cleanup(g_client), ==, PC_RC_OK);
return MUNIT_OK;
}
static MunitResult
test_wrong_client_certificate(const MunitParameter params[], void *state)
{
Unused(state); Unused(params);
pc_client_config_t config = PC_CLIENT_CONFIG_DEFAULT;
config.transport_name = PC_TR_NAME_UV_TLS;
pc_client_init_result_t res = pc_client_init(NULL, &config);
g_client = res.client;
assert_int(res.rc, ==, PC_RC_OK);
// Setting the WRONG CA file should not fail the function but make the handshake fail.
assert_int(tr_uv_tls_set_ca_file(INCORRECT_CRT, NULL), ==, PC_RC_OK);
test_invalid_handshake();
assert_int(pc_client_cleanup(g_client), ==, PC_RC_OK);
return MUNIT_OK;
}
static void
custom_assert(const char *e, const char *file, int line)
{
Unused(e); Unused(file); Unused(line);
// Do nothing
}
static MunitResult
test_cleanup_before_connection_done(const MunitParameter params[], void *data)
{
Unused(data); Unused(params);
update_assert(custom_assert);
pc_client_config_t config = PC_CLIENT_CONFIG_DEFAULT;
config.transport_name = PC_TR_NAME_UV_TLS;
config.reconn_max_retry = 4;
config.enable_reconn = true;
pc_client_init_result_t res = pc_client_init(NULL, &config);
g_client = res.client;
assert_int(res.rc, ==, PC_RC_OK);
assert_int(pc_client_connect(g_client, "localhost", 8080, NULL), ==, PC_RC_OK);
assert_int(pc_client_disconnect(g_client), ==, PC_RC_OK);
assert_int(pc_client_cleanup(g_client), ==, PC_RC_OK);
update_assert(NULL);
return MUNIT_OK;
}
static int UNEXPECTED_DISCONNECT_EVENTS[] = {
PC_EV_CONNECTED,
PC_EV_UNEXPECTED_DISCONNECT,
};
static void
unexpected_disconnect_event_cb(pc_client_t* client, int ev_type, void* ex_data, const char* arg1, const char* arg2)
{
Unused(client); Unused(arg1); Unused(arg2);
flag_t *flag = (flag_t*)ex_data;
int num_called = flag_get_num_called(flag);
assert_int(ev_type, ==, UNEXPECTED_DISCONNECT_EVENTS[num_called]);
assert_int(num_called, <, ArrayCount(UNEXPECTED_DISCONNECT_EVENTS));
flag_set(flag);
}
static MunitResult
test_unexpected_disconnect(const MunitParameter params[], void *data)
{
Unused(data); Unused(params);
flag_t flag = flag_make();
pc_client_config_t config = PC_CLIENT_CONFIG_TEST;
config.transport_name = PC_TR_NAME_UV_TLS;
assert_int(tr_uv_tls_set_ca_file(CRT, NULL), ==, PC_RC_OK);
pc_client_init_result_t res = pc_client_init(NULL, &config);
g_client = res.client;
assert_int(res.rc, ==, PC_RC_OK);
assert_int(pc_client_add_ev_handler(g_client, unexpected_disconnect_event_cb, &flag, NULL), !=, PC_EV_INVALID_HANDLER_ID);
assert_int(pc_client_connect(g_client, LOCALHOST, g_kill_client_mock_server.tls_port, NULL), ==, PC_RC_OK);
while (flag_get_num_called(&flag) < ArrayCount(UNEXPECTED_DISCONNECT_EVENTS)) {
assert_int(flag_wait(&flag, 60), ==, FLAG_SET);
}
assert_int(pc_client_disconnect(g_client), ==, PC_RC_INVALID_STATE);
assert_int(pc_client_cleanup(g_client), ==, PC_RC_OK);
flag_cleanup(&flag);
return MUNIT_OK;
}
static MunitTest tests[] = {
{"/no_client_certificate", test_no_client_certificate, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL},
{"/wrong_client_certificate", test_wrong_client_certificate, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL},
{"/successful_handshake", test_successful_handshake, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL},
{"/key_pinned", test_key_pinned, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL},
{"/key_not_pinned", test_key_not_pinned, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL},
{"/add_pinned_key_errors", test_add_key_pinned_errors, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL},
{"/cleanup_before_connection_done", test_cleanup_before_connection_done, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL},
{"/unexpected_disconnect", test_unexpected_disconnect, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL},
{NULL, NULL, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL},
};
const MunitSuite tls_suite = {
"/tls", tests, NULL, 1, MUNIT_SUITE_OPTION_NONE
};