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client.cpp
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// Copyright (c) 2016-2020 Memgraph Ltd. [https://memgraph.com]
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <gtest/gtest.h>
#include <optional>
#include <random>
#include <thread>
#include "mgclient.h"
#include "mgcommon.h"
#include "mgsession.h"
#include "mgsocket.h"
#include "gmock_wrapper.h"
#include "test-common.hpp"
using namespace std::string_literals;
using ::testing::HasSubstr;
extern "C" {
char TEST_KEY_FP[] =
"20cb119eb74dd28e8a4861f51dfc6d1d31306751bc3694470161b057e706f6c00cb4c0f994"
"317f59e570b594cff7224c8699fa70a4b2f7ba1f99c2b8e092943b";
extern int mg_connect_ca(const mg_session_params *params, mg_session **session,
mg_allocator *allocator);
int trust_callback_ok = 0;
int trust_callback(const char *hostname, const char *ip_address,
const char *key_type, const char *fingerprint,
void *trust_data) {
trust_callback_ok = 1;
if (!hostname || strcmp(hostname, "localhost") != 0) {
trust_callback_ok = 0;
}
if (!ip_address || strcmp(ip_address, "127.0.0.1") != 0) {
trust_callback_ok = 0;
}
if (!key_type || strcmp(key_type, "rsaEncryption") != 0) {
trust_callback_ok = 0;
}
if (!fingerprint || strcmp(fingerprint, TEST_KEY_FP) != 0) {
trust_callback_ok = 0;
}
if (!trust_data || *(int *)trust_data != 42) {
trust_callback_ok = 0;
}
return 0;
}
// HACK: We're mocking out the `mg_secure_transport_init` function to avoid the
// need of writing the server side SSL logic (all of that is tested in
// transport.cpp). We're just checking that the right parameters are passed and
// return a `test_transport` object that actually uses `mg_raw_transport`
// methods for writing and reading.
int mg_secure_transport_init_called = 0;
struct test_transport {
int (*send)(struct mg_transport *, const char *buf, size_t len);
int (*recv)(struct mg_transport *, char *buf, size_t len);
void (*destroy)(struct mg_transport *);
void (*suspend_until_ready_to_read)(struct mg_transport *);
void (*suspend_until_ready_to_write)(struct mg_transport *);
union {
struct {
SSL *ssl;
BIO *bio;
} padding;
int sockfd;
};
const char *peer_pubkey_type;
char *peer_pubkey_fp;
};
void test_transport_destroy(mg_transport *transport) { free(transport); }
int __wrap_mg_secure_transport_init(int sockfd, const char *cert,
const char *key,
mg_secure_transport **transport) {
mg_secure_transport_init_called = 1;
if (!cert || strcmp(cert, "/path/to/cert") != 0) {
return MG_ERROR_UNKNOWN_ERROR;
}
if (!key || strcmp(key, "/path/to/key") != 0) {
return MG_ERROR_UNKNOWN_ERROR;
}
test_transport *ttransport = (test_transport *)malloc(sizeof(test_transport));
ttransport->sockfd = sockfd;
ttransport->send = mg_raw_transport_send;
ttransport->recv = mg_raw_transport_recv;
ttransport->destroy = test_transport_destroy;
ttransport->suspend_until_ready_to_read = nullptr;
ttransport->suspend_until_ready_to_write = nullptr;
ttransport->peer_pubkey_type = "rsaEncryption";
ttransport->peer_pubkey_fp = TEST_KEY_FP;
*transport = (mg_secure_transport *)ttransport;
return 0;
}
}
// Helper function for reading/writing an entire block of data from/to socket.
int SendData(int sockfd, const char *buf, size_t len) {
size_t total_sent = 0;
while (total_sent < len) {
ssize_t sent_now =
mg_socket_send(sockfd, buf + total_sent, len - total_sent);
if (sent_now == -1) {
return -1;
}
total_sent += (size_t)sent_now;
}
return 0;
}
int RecvData(int sockfd, char *buf, size_t len) {
size_t total_received = 0;
while (total_received < len) {
ssize_t received_now =
mg_socket_receive(sockfd, buf + total_received, len - total_received);
if (received_now == 0) {
// Server closed the connection.
return -1;
}
if (received_now == -1) {
return -1;
}
total_received += (size_t)received_now;
}
return 0;
}
class ConnectTest : public ::testing::Test {
protected:
virtual void SetUp() override {
{
struct sockaddr_in server_addr;
server_addr.sin_family = AF_INET;
int status =
inet_pton(AF_INET, "127.0.0.1", (void *)&server_addr.sin_addr);
if (status != 1) {
if (status == 0) {
fprintf(stderr, "invalid address\n");
} else {
fprintf(stderr, "%s\n", strerror(errno));
}
abort();
}
ss = socket(AF_INET, SOCK_STREAM, 0);
if (ss < 0) {
abort();
}
std::uniform_int_distribution<int> dist(10000, 20000);
std::mt19937 gen(std::random_device{}());
for (int i = 0; i < 20; ++i) {
port = htons(dist(gen));
server_addr.sin_port = htons((uint16_t)port);
if (bind(ss, (struct sockaddr *)&server_addr, sizeof(server_addr)) !=
0) {
port = -1;
} else {
break;
}
}
if (port == -1) {
abort();
}
if (listen(ss, 50) != 0) {
abort();
}
}
}
virtual void TearDown() override { close(ss); }
void RunServer(const std::function<void(int)> &server_func) {
server_thread = std::thread([this, server_func] {
int sockfd = accept(ss, nullptr, nullptr);
if (sockfd < 0) {
abort();
}
server_func(sockfd);
});
server_thread.detach();
}
void StopServer() {
if (server_thread.joinable()) {
server_thread.join();
}
}
int ss;
int port;
std::thread server_thread;
tracking_allocator allocator;
};
TEST_F(ConnectTest, MissingHost) {
mg_session_params *params = mg_session_params_make();
mg_session_params_set_port(params, port);
mg_session *session;
ASSERT_EQ(mg_connect_ca(params, &session, (mg_allocator *)&allocator),
MG_ERROR_BAD_PARAMETER);
EXPECT_EQ(mg_session_status(session), MG_SESSION_BAD);
mg_session_params_destroy(params);
mg_session_destroy(session);
ASSERT_MEMORY_OK();
}
TEST_F(ConnectTest, InvalidHost) {
mg_session_params *params = mg_session_params_make();
mg_session_params_set_host(params, "285.42.1.34");
mg_session_params_set_port(params, port);
mg_session *session;
ASSERT_EQ(mg_connect_ca(params, &session, (mg_allocator *)&allocator),
MG_ERROR_NETWORK_FAILURE);
EXPECT_EQ(mg_session_status(session), MG_SESSION_BAD);
mg_session_params_destroy(params);
mg_session_destroy(session);
ASSERT_MEMORY_OK();
}
TEST_F(ConnectTest, SSLCertWithoutKey) {
mg_session_params *params = mg_session_params_make();
mg_session_params_set_host(params, "127.0.0.1");
mg_session_params_set_port(params, 12345);
mg_session_params_set_sslmode(params, MG_SSLMODE_REQUIRE);
mg_session_params_set_sslcert(params, "/path/to/cert");
mg_session *session;
ASSERT_EQ(mg_connect_ca(params, &session, (mg_allocator *)&allocator),
MG_ERROR_BAD_PARAMETER);
EXPECT_EQ(mg_session_status(session), MG_SESSION_BAD);
mg_session_params_destroy(params);
mg_session_destroy(session);
ASSERT_MEMORY_OK();
}
TEST_F(ConnectTest, HandshakeFail) {
RunServer([](int sockfd) {
char handshake[20];
ASSERT_EQ(RecvData(sockfd, handshake, 20), 0);
ASSERT_EQ(std::string(handshake, 4), "\x60\x60\xB0\x17"s);
ASSERT_EQ(std::string(handshake + 4, 4), "\x00\x00\x01\x04"s);
ASSERT_EQ(std::string(handshake + 8, 4), "\x00\x00\x00\x01"s);
ASSERT_EQ(std::string(handshake + 12, 4), "\x00\x00\x00\x00"s);
ASSERT_EQ(std::string(handshake + 16, 4), "\x00\x00\x00\x00"s);
// Send unsupported version to client.
uint32_t version = htobe32(2);
ASSERT_EQ(SendData(sockfd, (char *)&version, 4), 0);
close(sockfd);
});
mg_session_params *params = mg_session_params_make();
mg_session_params_set_host(params, "127.0.0.1");
mg_session_params_set_port(params, port);
mg_session *session;
ASSERT_EQ(mg_connect_ca(params, &session, (mg_allocator *)&allocator),
MG_ERROR_PROTOCOL_VIOLATION);
EXPECT_EQ(mg_session_status(session), MG_SESSION_BAD);
mg_session_params_destroy(params);
mg_session_destroy(session);
ASSERT_MEMORY_OK();
}
TEST_F(ConnectTest, InitFail) {
RunServer([](int sockfd) {
// Perform handshake.
{
char handshake[20];
ASSERT_EQ(RecvData(sockfd, handshake, 20), 0);
ASSERT_EQ(std::string(handshake, 4), "\x60\x60\xB0\x17"s);
ASSERT_EQ(std::string(handshake + 4, 4), "\x00\x00\x01\x04"s);
ASSERT_EQ(std::string(handshake + 8, 4), "\x00\x00\x00\x01"s);
ASSERT_EQ(std::string(handshake + 12, 4), "\x00\x00\x00\x00"s);
ASSERT_EQ(std::string(handshake + 16, 4), "\x00\x00\x00\x00"s);
uint32_t version = htobe32(1);
ASSERT_EQ(SendData(sockfd, (char *)&version, 4), 0);
}
mg_session *session = mg_session_init(&mg_system_allocator);
ASSERT_TRUE(session);
session->version = 1;
mg_raw_transport_init(sockfd, (mg_raw_transport **)&session->transport,
&mg_system_allocator);
// Read INIT message.
{
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_INIT);
mg_message_init *msg_init = message->init_v;
EXPECT_EQ(
std::string(msg_init->client_name->data, msg_init->client_name->size),
MG_USER_AGENT);
{
ASSERT_EQ(mg_map_size(msg_init->auth_token), 1u);
const mg_value *scheme_val = mg_map_at(msg_init->auth_token, "scheme");
ASSERT_TRUE(scheme_val);
ASSERT_EQ(mg_value_get_type(scheme_val), MG_VALUE_TYPE_STRING);
const mg_string *scheme = mg_value_string(scheme_val);
ASSERT_EQ(std::string(scheme->data, scheme->size), "none");
}
mg_message_destroy_ca(message, session->decoder_allocator);
}
// Send FAILURE message.
{
mg_map *metadata = mg_map_make_empty(2);
mg_map_insert_unsafe(
metadata, "code",
mg_value_make_string("Memgraph.ClientError.Security.Authenticated"));
mg_map_insert_unsafe(metadata, "message",
mg_value_make_string("Authentication failure"));
ASSERT_EQ(mg_session_send_failure_message(session, metadata), 0);
mg_map_destroy(metadata);
}
mg_session_destroy(session);
});
mg_session_params *params = mg_session_params_make();
mg_session_params_set_host(params, "127.0.0.1");
mg_session_params_set_port(params, port);
mg_session *session;
ASSERT_EQ(mg_connect_ca(params, &session, (mg_allocator *)&allocator),
MG_ERROR_CLIENT_ERROR);
ASSERT_THAT(std::string(mg_session_error(session)),
HasSubstr("Authentication failure"));
EXPECT_EQ(mg_session_status(session), MG_SESSION_BAD);
mg_session_params_destroy(params);
mg_session_destroy(session);
ASSERT_MEMORY_OK();
}
TEST_F(ConnectTest, InitFail_v4) {
RunServer([](int sockfd) {
// Perform handshake.
{
char handshake[20];
ASSERT_EQ(RecvData(sockfd, handshake, 20), 0);
ASSERT_EQ(std::string(handshake, 4), "\x60\x60\xB0\x17"s);
ASSERT_EQ(std::string(handshake + 4, 4), "\x00\x00\x01\x04"s);
ASSERT_EQ(std::string(handshake + 8, 4), "\x00\x00\x00\x01"s);
ASSERT_EQ(std::string(handshake + 12, 4), "\x00\x00\x00\x00"s);
ASSERT_EQ(std::string(handshake + 16, 4), "\x00\x00\x00\x00"s);
uint32_t version = htobe32(0x0104);
ASSERT_EQ(SendData(sockfd, (char *)&version, 4), 0);
}
mg_session *session = mg_session_init(&mg_system_allocator);
ASSERT_TRUE(session);
session->version = 4;
mg_raw_transport_init(sockfd, (mg_raw_transport **)&session->transport,
&mg_system_allocator);
// Read HELLO message.
{
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_HELLO);
mg_message_hello *msg_hello = message->hello_v;
{
ASSERT_EQ(mg_map_size(msg_hello->extra), 2u);
const mg_value *user_agent_val =
mg_map_at(msg_hello->extra, "user_agent");
ASSERT_TRUE(user_agent_val);
ASSERT_EQ(mg_value_get_type(user_agent_val), MG_VALUE_TYPE_STRING);
const mg_string *user_agent = mg_value_string(user_agent_val);
ASSERT_EQ(std::string(user_agent->data, user_agent->size),
MG_USER_AGENT);
const mg_value *scheme_val = mg_map_at(msg_hello->extra, "scheme");
ASSERT_TRUE(scheme_val);
ASSERT_EQ(mg_value_get_type(scheme_val), MG_VALUE_TYPE_STRING);
const mg_string *scheme = mg_value_string(scheme_val);
ASSERT_EQ(std::string(scheme->data, scheme->size), "none");
}
mg_message_destroy_ca(message, session->decoder_allocator);
}
// Send FAILURE message.
{
mg_map *metadata = mg_map_make_empty(2);
mg_map_insert_unsafe(
metadata, "code",
mg_value_make_string("Memgraph.ClientError.Security.Authenticated"));
mg_map_insert_unsafe(metadata, "message",
mg_value_make_string("Authentication failure"));
ASSERT_EQ(mg_session_send_failure_message(session, metadata), 0);
mg_map_destroy(metadata);
}
mg_session_destroy(session);
});
mg_session_params *params = mg_session_params_make();
mg_session_params_set_host(params, "127.0.0.1");
mg_session_params_set_port(params, port);
mg_session *session;
ASSERT_EQ(mg_connect_ca(params, &session, (mg_allocator *)&allocator),
MG_ERROR_CLIENT_ERROR);
ASSERT_THAT(std::string(mg_session_error(session)),
HasSubstr("Authentication failure"));
EXPECT_EQ(mg_session_status(session), MG_SESSION_BAD);
mg_session_params_destroy(params);
mg_session_destroy(session);
ASSERT_MEMORY_OK();
}
TEST_F(ConnectTest, Success) {
RunServer([](int sockfd) {
// Perform handshake.
{
char handshake[20];
ASSERT_EQ(RecvData(sockfd, handshake, 20), 0);
ASSERT_EQ(std::string(handshake, 4), "\x60\x60\xB0\x17"s);
ASSERT_EQ(std::string(handshake + 4, 4), "\x00\x00\x01\x04"s);
ASSERT_EQ(std::string(handshake + 8, 4), "\x00\x00\x00\x01"s);
ASSERT_EQ(std::string(handshake + 12, 4), "\x00\x00\x00\x00"s);
ASSERT_EQ(std::string(handshake + 16, 4), "\x00\x00\x00\x00"s);
uint32_t version = htobe32(1);
ASSERT_EQ(SendData(sockfd, (char *)&version, 4), 0);
}
mg_session *session = mg_session_init(&mg_system_allocator);
ASSERT_TRUE(session);
session->version = 1;
mg_raw_transport_init(sockfd, (mg_raw_transport **)&session->transport,
&mg_system_allocator);
// Read INIT message.
{
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_INIT);
mg_message_init *msg_init = message->init_v;
EXPECT_EQ(
std::string(msg_init->client_name->data, msg_init->client_name->size),
MG_USER_AGENT);
{
ASSERT_EQ(mg_map_size(msg_init->auth_token), 3u);
const mg_value *scheme_val = mg_map_at(msg_init->auth_token, "scheme");
ASSERT_TRUE(scheme_val);
ASSERT_EQ(mg_value_get_type(scheme_val), MG_VALUE_TYPE_STRING);
const mg_string *scheme = mg_value_string(scheme_val);
ASSERT_EQ(std::string(scheme->data, scheme->size), "basic");
const mg_value *principal_val =
mg_map_at(msg_init->auth_token, "principal");
ASSERT_TRUE(principal_val);
ASSERT_EQ(mg_value_get_type(principal_val), MG_VALUE_TYPE_STRING);
const mg_string *principal = mg_value_string(principal_val);
ASSERT_EQ(std::string(principal->data, principal->size), "user");
const mg_value *credentials_val =
mg_map_at(msg_init->auth_token, "credentials");
ASSERT_TRUE(credentials_val);
ASSERT_EQ(mg_value_get_type(credentials_val), MG_VALUE_TYPE_STRING);
const mg_string *credentials = mg_value_string(credentials_val);
ASSERT_EQ(std::string(credentials->data, credentials->size), "pass");
}
mg_message_destroy_ca(message, session->decoder_allocator);
}
// Send SUCCESS message.
ASSERT_EQ(mg_session_send_success_message(session, &mg_empty_map), 0);
mg_session_destroy(session);
});
mg_session_params *params = mg_session_params_make();
mg_session_params_set_host(params, "127.0.0.1");
mg_session_params_set_port(params, port);
mg_session_params_set_username(params, "user");
mg_session_params_set_password(params, "pass");
mg_session *session;
ASSERT_EQ(mg_connect_ca(params, &session, (mg_allocator *)&allocator), 0);
EXPECT_EQ(mg_session_status(session), MG_SESSION_READY);
mg_session_params_destroy(params);
mg_session_destroy(session);
ASSERT_MEMORY_OK();
}
TEST_F(ConnectTest, Success_v4) {
RunServer([](int sockfd) {
// Perform handshake.
{
char handshake[20];
ASSERT_EQ(RecvData(sockfd, handshake, 20), 0);
ASSERT_EQ(std::string(handshake, 4), "\x60\x60\xB0\x17"s);
ASSERT_EQ(std::string(handshake + 4, 4), "\x00\x00\x01\x04"s);
ASSERT_EQ(std::string(handshake + 8, 4), "\x00\x00\x00\x01"s);
ASSERT_EQ(std::string(handshake + 12, 4), "\x00\x00\x00\x00"s);
ASSERT_EQ(std::string(handshake + 16, 4), "\x00\x00\x00\x00"s);
uint32_t version = htobe32(0x0104);
ASSERT_EQ(SendData(sockfd, (char *)&version, 4), 0);
}
mg_session *session = mg_session_init(&mg_system_allocator);
ASSERT_TRUE(session);
session->version = 4;
mg_raw_transport_init(sockfd, (mg_raw_transport **)&session->transport,
&mg_system_allocator);
// Read HELLO message.
{
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_HELLO);
mg_message_hello *msg_hello = message->hello_v;
{
ASSERT_EQ(mg_map_size(msg_hello->extra), 4u);
const mg_value *user_agent_val =
mg_map_at(msg_hello->extra, "user_agent");
ASSERT_TRUE(user_agent_val);
ASSERT_EQ(mg_value_get_type(user_agent_val), MG_VALUE_TYPE_STRING);
const mg_string *user_agent = mg_value_string(user_agent_val);
ASSERT_EQ(std::string(user_agent->data, user_agent->size),
MG_USER_AGENT);
const mg_value *scheme_val = mg_map_at(msg_hello->extra, "scheme");
ASSERT_TRUE(scheme_val);
ASSERT_EQ(mg_value_get_type(scheme_val), MG_VALUE_TYPE_STRING);
const mg_string *scheme = mg_value_string(scheme_val);
ASSERT_EQ(std::string(scheme->data, scheme->size), "basic");
const mg_value *principal_val =
mg_map_at(msg_hello->extra, "principal");
ASSERT_TRUE(principal_val);
ASSERT_EQ(mg_value_get_type(principal_val), MG_VALUE_TYPE_STRING);
const mg_string *principal = mg_value_string(principal_val);
ASSERT_EQ(std::string(principal->data, principal->size), "user");
const mg_value *credentials_val =
mg_map_at(msg_hello->extra, "credentials");
ASSERT_TRUE(credentials_val);
ASSERT_EQ(mg_value_get_type(credentials_val), MG_VALUE_TYPE_STRING);
const mg_string *credentials = mg_value_string(credentials_val);
ASSERT_EQ(std::string(credentials->data, credentials->size), "pass");
}
mg_message_destroy_ca(message, session->decoder_allocator);
}
// Send SUCCESS message.
ASSERT_EQ(mg_session_send_success_message(session, &mg_empty_map), 0);
mg_session_destroy(session);
});
mg_session_params *params = mg_session_params_make();
mg_session_params_set_host(params, "127.0.0.1");
mg_session_params_set_port(params, port);
mg_session_params_set_username(params, "user");
mg_session_params_set_password(params, "pass");
mg_session *session;
ASSERT_EQ(mg_connect_ca(params, &session, (mg_allocator *)&allocator), 0);
EXPECT_EQ(mg_session_status(session), MG_SESSION_READY);
mg_session_params_destroy(params);
mg_session_destroy(session);
ASSERT_MEMORY_OK();
}
TEST_F(ConnectTest, SuccessWithSSL) {
RunServer([](int sockfd) {
// Perform handshake.
{
char handshake[20];
ASSERT_EQ(RecvData(sockfd, handshake, 20), 0);
ASSERT_EQ(std::string(handshake, 4), "\x60\x60\xB0\x17"s);
ASSERT_EQ(std::string(handshake + 4, 4), "\x00\x00\x01\x04"s);
ASSERT_EQ(std::string(handshake + 8, 4), "\x00\x00\x00\x01"s);
ASSERT_EQ(std::string(handshake + 12, 4), "\x00\x00\x00\x00"s);
ASSERT_EQ(std::string(handshake + 16, 4), "\x00\x00\x00\x00"s);
uint32_t version = htobe32(1);
ASSERT_EQ(SendData(sockfd, (char *)&version, 4), 0);
}
mg_session *session = mg_session_init(&mg_system_allocator);
ASSERT_TRUE(session);
session->version = 1;
mg_raw_transport_init(sockfd, (mg_raw_transport **)&session->transport,
&mg_system_allocator);
// Read INIT message.
{
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_INIT);
mg_message_init *msg_init = message->init_v;
EXPECT_EQ(
std::string(msg_init->client_name->data, msg_init->client_name->size),
MG_USER_AGENT);
{
ASSERT_EQ(mg_map_size(msg_init->auth_token), 3u);
const mg_value *scheme_val = mg_map_at(msg_init->auth_token, "scheme");
ASSERT_TRUE(scheme_val);
ASSERT_EQ(mg_value_get_type(scheme_val), MG_VALUE_TYPE_STRING);
const mg_string *scheme = mg_value_string(scheme_val);
ASSERT_EQ(std::string(scheme->data, scheme->size), "basic");
const mg_value *principal_val =
mg_map_at(msg_init->auth_token, "principal");
ASSERT_TRUE(principal_val);
ASSERT_EQ(mg_value_get_type(principal_val), MG_VALUE_TYPE_STRING);
const mg_string *principal = mg_value_string(principal_val);
ASSERT_EQ(std::string(principal->data, principal->size), "user");
const mg_value *credentials_val =
mg_map_at(msg_init->auth_token, "credentials");
ASSERT_TRUE(credentials_val);
ASSERT_EQ(mg_value_get_type(credentials_val), MG_VALUE_TYPE_STRING);
const mg_string *credentials = mg_value_string(credentials_val);
ASSERT_EQ(std::string(credentials->data, credentials->size), "pass");
}
mg_message_destroy_ca(message, session->decoder_allocator);
}
// Send SUCCESS message.
ASSERT_EQ(mg_session_send_success_message(session, &mg_empty_map), 0);
mg_session_destroy(session);
});
mg_secure_transport_init_called = 0;
trust_callback_ok = 0;
mg_session_params *params = mg_session_params_make();
mg_session_params_set_host(params, "localhost");
mg_session_params_set_port(params, port);
mg_session_params_set_username(params, "user");
mg_session_params_set_password(params, "pass");
mg_session_params_set_sslmode(params, MG_SSLMODE_REQUIRE);
mg_session_params_set_sslcert(params, "/path/to/cert");
mg_session_params_set_sslkey(params, "/path/to/key");
mg_session_params_set_trust_callback(params, trust_callback);
int trust_data = 42;
mg_session_params_set_trust_data(params, (void *)&trust_data);
mg_session *session;
ASSERT_EQ(mg_connect_ca(params, &session, (mg_allocator *)&allocator), 0);
ASSERT_EQ(mg_secure_transport_init_called, 1);
ASSERT_EQ(trust_callback_ok, 1);
EXPECT_EQ(mg_session_status(session), MG_SESSION_READY);
mg_session_params_destroy(params);
mg_session_destroy(session);
ASSERT_MEMORY_OK();
}
class RunTest : public ::testing::Test {
protected:
virtual void SetUp() override {
int tmp[2];
ASSERT_EQ(mg_socket_pair(AF_UNIX, SOCK_STREAM, 0, tmp), 0);
sc = tmp[0];
ss = tmp[1];
mg_init();
session = mg_session_init((mg_allocator *)&allocator);
mg_raw_transport_init(sc, (mg_raw_transport **)&session->transport,
(mg_allocator *)&allocator);
session->status = MG_SESSION_READY;
}
void RunServer(const std::function<void(int)> &server_func) {
server_thread = std::thread(server_func, ss);
}
void StopServer() {
if (server_thread.joinable()) {
server_thread.join();
}
}
int sc;
int ss;
mg_session *session;
std::thread server_thread;
tracking_allocator allocator;
void ProtocolViolation(int version);
void InvalidStatement(int version);
void OkNoResults(int version);
void MultipleQueries(int version);
void OkWithResults(int version);
void QueryRuntimeError(int version);
void QueryDatabaseError(int version);
void RunWithParams(int version);
};
bool CheckColumns(const mg_result *result,
const std::vector<std::string> &expColumns) {
const mg_list *columns = mg_result_columns(result);
if (!columns) {
return false;
}
if (mg_list_size(columns) != expColumns.size()) {
return false;
}
for (uint32_t i = 0; i < mg_list_size(columns); ++i) {
const mg_value *name_val = mg_list_at(columns, i);
if (mg_value_get_type(name_val) != MG_VALUE_TYPE_STRING) {
return false;
}
const mg_string *name = mg_value_string(name_val);
if (std::string(name->data, name->size) != expColumns[i]) {
return false;
}
}
return true;
}
bool CheckSummary(const mg_result *result, double exp_execution_time) {
const mg_map *summary = mg_result_summary(result);
if (!summary) {
return false;
}
const mg_value *execution_time = mg_map_at(summary, "execution_time");
if (!execution_time ||
mg_value_get_type(execution_time) != MG_VALUE_TYPE_FLOAT) {
return false;
}
return mg_value_float(execution_time) == exp_execution_time;
}
void RunTest::ProtocolViolation(int version) {
RunServer([version](int sockfd) {
mg_session *session = mg_session_init(&mg_system_allocator);
session->version = version;
mg_raw_transport_init(sockfd, (mg_raw_transport **)&session->transport,
&mg_system_allocator);
// Read RUN message.
{
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_RUN);
mg_message_run *msg_run = message->run_v;
EXPECT_EQ(std::string(msg_run->statement->data, msg_run->statement->size),
"MATCH (n) RETURN n");
ASSERT_EQ(mg_map_size(msg_run->parameters), 0u);
if (version == 4) {
ASSERT_TRUE(msg_run->extra);
ASSERT_EQ(mg_map_size(msg_run->extra), 0u);
}
mg_message_destroy_ca(message, session->decoder_allocator);
}
// Send an unexpected RECORD message.
{
mg_list *fields = mg_list_make_empty(0);
ASSERT_EQ(mg_session_send_record_message(session, fields), 0);
mg_list_destroy(fields);
}
mg_session_destroy(session);
});
session->version = version;
ASSERT_EQ(mg_session_run(session, "MATCH (n) RETURN n", nullptr, nullptr,
nullptr, nullptr),
MG_ERROR_PROTOCOL_VIOLATION);
ASSERT_EQ(mg_session_status(session), MG_SESSION_BAD);
mg_session_destroy(session);
StopServer();
ASSERT_MEMORY_OK();
}
TEST_F(RunTest, ProtocolViolation_v1) { ProtocolViolation(1); }
TEST_F(RunTest, ProtocolViolation_v4) { ProtocolViolation(4); }
void RunTest::InvalidStatement(int version) {
RunServer([version](int sockfd) {
mg_session *session = mg_session_init(&mg_system_allocator);
session->version = version;
mg_raw_transport_init(sockfd, (mg_raw_transport **)&session->transport,
&mg_system_allocator);
// Read RUN message.
{
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_RUN);
mg_message_run *msg_run = message->run_v;
EXPECT_EQ(std::string(msg_run->statement->data, msg_run->statement->size),
"MATCH (n) RETURN m");
ASSERT_EQ(mg_map_size(msg_run->parameters), 0u);
if (version == 4) {
ASSERT_TRUE(msg_run->extra);
ASSERT_EQ(mg_map_size(msg_run->extra), 0u);
}
mg_message_destroy_ca(message, session->decoder_allocator);
}
// Send FAILURE because of a syntax error.
{
mg_map *summary = mg_map_make_empty(2);
mg_map_insert_unsafe(
summary, "code",
mg_value_make_string("Memgraph.ClientError.Statement.SyntaxError"));
mg_map_insert_unsafe(summary, "message",
mg_value_make_string("Unbound variable: m"));
ASSERT_EQ(mg_session_send_failure_message(session, summary), 0);
mg_map_destroy(summary);
}
if (version == 1) {
// Client must send ACK_FAILURE now.
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_ACK_FAILURE);
mg_message_destroy_ca(message, session->decoder_allocator);
} else {
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_RESET);
mg_message_destroy_ca(message, session->decoder_allocator);
}
// Server responds with SUCCESS.
{ ASSERT_EQ(mg_session_send_success_message(session, &mg_empty_map), 0); }
mg_session_destroy(session);
});
session->version = version;
ASSERT_EQ(mg_session_run(session, "MATCH (n) RETURN m", nullptr, nullptr,
nullptr, nullptr),
MG_ERROR_CLIENT_ERROR);
ASSERT_THAT(std::string(mg_session_error(session)),
HasSubstr("Unbound variable: m"));
ASSERT_EQ(mg_session_status(session), MG_SESSION_READY);
mg_session_destroy(session);
StopServer();
ASSERT_MEMORY_OK();
}
TEST_F(RunTest, InvalidStatement_v1) { InvalidStatement(1); }
TEST_F(RunTest, InvalidStatement_v4) { InvalidStatement(4); }
void RunTest::OkNoResults(int version) {
RunServer([version](int sockfd) {
mg_session *session = mg_session_init(&mg_system_allocator);
session->version = version;
mg_raw_transport_init(sockfd, (mg_raw_transport **)&session->transport,
&mg_system_allocator);
// Read RUN message.
{
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_RUN);
mg_message_run *msg_run = message->run_v;
EXPECT_EQ(std::string(msg_run->statement->data, msg_run->statement->size),
"MATCH (n) RETURN n");
ASSERT_EQ(mg_map_size(msg_run->parameters), 0u);
if (version == 4) {
ASSERT_TRUE(msg_run->extra);
ASSERT_EQ(mg_map_size(msg_run->extra), 0u);
}
mg_message_destroy_ca(message, session->decoder_allocator);
}
// Send SUCCESS to client.
{
mg_map *summary = mg_map_make_empty(2);
mg_list *fields = mg_list_make_empty(1);
mg_list_append(fields, mg_value_make_string("n"));
mg_map_insert_unsafe(summary, "fields", mg_value_make_list(fields));
mg_map_insert_unsafe(summary, "result_available_after",
mg_value_make_float(0.01));
ASSERT_EQ(mg_session_send_success_message(session, summary), 0);
mg_map_destroy(summary);
}
// Read PULL_ALL.
{
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_PULL);
if (version == 4) {
mg_message_pull *pull_message = message->pull_v;
ASSERT_TRUE(pull_message->extra);
ASSERT_EQ(mg_map_size(pull_message->extra), 1u);
}
mg_message_destroy_ca(message, session->decoder_allocator);
}
// Send SUCCESS again because there are no results.
{
mg_map *metadata = mg_map_make_empty(1);
mg_map_insert_unsafe(metadata, "execution_time",
mg_value_make_float(0.01));
ASSERT_EQ(mg_session_send_success_message(session, metadata), 0);
mg_map_destroy(metadata);
}
mg_session_destroy(session);
});
session->version = version;
ASSERT_EQ(mg_session_run(session, "MATCH (n) RETURN n", nullptr, nullptr,
nullptr, nullptr),
0);
ASSERT_EQ(mg_session_status(session), MG_SESSION_EXECUTING);
mg_result *result;
ASSERT_EQ(mg_session_pull(session, nullptr), 0);
ASSERT_EQ(mg_session_fetch(session, &result), 0);
ASSERT_TRUE(CheckColumns(result, std::vector<std::string>{"n"}));
ASSERT_TRUE(CheckSummary(result, 0.01));
ASSERT_EQ(mg_session_status(session), MG_SESSION_READY);
ASSERT_EQ(mg_session_fetch(session, &result), MG_ERROR_BAD_CALL);
ASSERT_EQ(mg_session_status(session), MG_SESSION_READY);
mg_session_destroy(session);
StopServer();
ASSERT_MEMORY_OK();
}
TEST_F(RunTest, OkNoResults_v1) { OkNoResults(1); }
TEST_F(RunTest, OkNoResults_v4) { OkNoResults(4); }
void RunTest::MultipleQueries(int version) {
RunServer([version](int sockfd) {
mg_session *session = mg_session_init(&mg_system_allocator);
session->version = version;
mg_raw_transport_init(sockfd, (mg_raw_transport **)&session->transport,
&mg_system_allocator);
for (int i = 0; i < 10; ++i) {
// Read RUN message.
{
mg_message *message;
ASSERT_EQ(mg_session_receive_message(session), 0);
ASSERT_EQ(mg_session_read_bolt_message(session, &message), 0);
ASSERT_EQ(message->type, MG_MESSAGE_TYPE_RUN);
mg_message_run *msg_run = message->run_v;
EXPECT_EQ(
std::string(msg_run->statement->data, msg_run->statement->size),
"RETURN " + std::to_string(i) + " AS n");
ASSERT_EQ(mg_map_size(msg_run->parameters), 0u);
if (version == 4) {
ASSERT_TRUE(msg_run->extra);
ASSERT_EQ(mg_map_size(msg_run->extra), 0u);
}
mg_message_destroy_ca(message, session->decoder_allocator);
}
// Send SUCCESS to client.
{
mg_map *summary = mg_map_make_empty(2);