/** run as a child thread by test_mongoc_tls_hangup
*
* It:
* 1. spins up
* 2. waits on a condvar until the server is up
* 3. connects to the server's port
* 4. writes a byte
* 5. confirms that the server hangs up promptly
* 6. shuts down
*/
static void *
ssl_hangup_client (void *ptr)
{
ssl_test_data_t *data = (ssl_test_data_t *)ptr;
mongoc_stream_t *sock_stream;
mongoc_stream_t *ssl_stream;
mongoc_socket_t *conn_sock;
char buf = 'b';
ssize_t r;
mongoc_iovec_t riov;
mongoc_iovec_t wiov;
struct sockaddr_in server_addr = { 0 };
int64_t start_time;
bson_error_t error;
conn_sock = mongoc_socket_new (AF_INET, SOCK_STREAM, 0);
assert (conn_sock);
mongoc_mutex_lock (&data->cond_mutex);
while (!data->server_port) {
mongoc_cond_wait (&data->cond, &data->cond_mutex);
}
mongoc_mutex_unlock (&data->cond_mutex);
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons (data->server_port);
server_addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
r = mongoc_socket_connect (conn_sock, (struct sockaddr *)&server_addr,
sizeof (server_addr), -1);
assert (r == 0);
sock_stream = mongoc_stream_socket_new (conn_sock);
assert (sock_stream);
ssl_stream = mongoc_stream_tls_new (sock_stream, data->client, 1);
assert (ssl_stream);
r = mongoc_stream_tls_handshake_block (ssl_stream, data->host, TIMEOUT, &error);
assert (r);
wiov.iov_base = (void *)&buf;
wiov.iov_len = 1;
r = mongoc_stream_writev (ssl_stream, &wiov, 1, TIMEOUT);
assert (r == 1);
riov.iov_base = (void *)&buf;
riov.iov_len = 1;
/* we should notice promptly that the server hangs up */
start_time = bson_get_monotonic_time ();
r = mongoc_stream_readv (ssl_stream, &riov, 1, 1, TIMEOUT);
/* time is in microseconds */
assert (bson_get_monotonic_time () - start_time < 1000 * 1000);
assert (r == -1);
mongoc_stream_destroy (ssl_stream);
data->client_result->result = SSL_TEST_SUCCESS;
return NULL;
}
/** this function is meant to be run from ssl_test as a child thread
*
* It:
* 1. spins up
* 2. binds and listens to a random port
* 3. notifies the client of its port through a condvar
* 4. accepts a request
* 5. reads a 32 bit length
* 6. reads a string of that length
* 7. echoes it back to the client
* 8. shuts down
*/
static void *
ssl_test_server (void *ptr)
{
ssl_test_data_t *data = (ssl_test_data_t *) ptr;
mongoc_stream_t *sock_stream;
mongoc_stream_t *ssl_stream;
mongoc_socket_t *listen_sock;
mongoc_socket_t *conn_sock;
mongoc_socklen_t sock_len;
char buf[4 * NUM_IOVECS];
ssize_t r;
bson_error_t error;
mongoc_iovec_t iov;
struct sockaddr_in server_addr = {0};
int len;
iov.iov_base = buf;
iov.iov_len = sizeof buf;
listen_sock = mongoc_socket_new (AF_INET, SOCK_STREAM, 0);
BSON_ASSERT (listen_sock);
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
server_addr.sin_port = htons (0);
r = mongoc_socket_bind (
listen_sock, (struct sockaddr *) &server_addr, sizeof server_addr);
BSON_ASSERT (r == 0);
sock_len = sizeof (server_addr);
r = mongoc_socket_getsockname (
listen_sock, (struct sockaddr *) &server_addr, &sock_len);
BSON_ASSERT (r == 0);
r = mongoc_socket_listen (listen_sock, 10);
BSON_ASSERT (r == 0);
mongoc_mutex_lock (&data->cond_mutex);
data->server_port = ntohs (server_addr.sin_port);
mongoc_cond_signal (&data->cond);
mongoc_mutex_unlock (&data->cond_mutex);
conn_sock = mongoc_socket_accept (listen_sock, -1);
BSON_ASSERT (conn_sock);
sock_stream = mongoc_stream_socket_new (conn_sock);
BSON_ASSERT (sock_stream);
ssl_stream =
mongoc_stream_tls_new_with_hostname (sock_stream, NULL, data->server, 0);
if (!ssl_stream) {
#ifdef MONGOC_ENABLE_SSL_OPENSSL
unsigned long err = ERR_get_error ();
#else
unsigned long err = 42;
#endif
BSON_ASSERT (err);
data->server_result->ssl_err = err;
data->server_result->result = SSL_TEST_SSL_INIT;
#ifdef MONGOC_ENABLE_SSL_OPENSSL
MONGOC_ERROR ("ERRORED (line: %d): %s\n",
__LINE__,
ERR_error_string (ERR_get_error (), NULL));
#endif
mongoc_stream_destroy (sock_stream);
mongoc_socket_destroy (listen_sock);
return NULL;
}
BSON_ASSERT (ssl_stream);
r = mongoc_stream_tls_handshake_block (
ssl_stream, data->host, TIMEOUT, &error);
if (!r) {
unsigned long err = 43;
MONGOC_ERROR ("ERRORED (line: %d): %s\n", __LINE__, error.message);
#ifdef MONGOC_ENABLE_SSL_OPENSSL
MONGOC_ERROR ("msg: %s\n", ERR_error_string (ERR_get_error (), NULL));
#endif
data->server_result->ssl_err = err;
data->server_result->result = SSL_TEST_SSL_HANDSHAKE;
mongoc_socket_destroy (listen_sock);
mongoc_stream_destroy (ssl_stream);
return NULL;
}
r = mongoc_stream_readv (ssl_stream, &iov, 1, 4, TIMEOUT);
if (r < 0) {
data->server_result->err = errno;
data->server_result->result = SSL_TEST_TIMEOUT;
MONGOC_ERROR (
"ERRORED (line: %d): %s\n", __LINE__, "mongoc_stream_readv failed.");
mongoc_stream_destroy (ssl_stream);
mongoc_socket_destroy (listen_sock);
return NULL;
}
BSON_ASSERT (r == 4);
memcpy (&len, iov.iov_base, r);
r = mongoc_stream_readv (ssl_stream, &iov, 1, len, TIMEOUT);
BSON_ASSERT (r == len);
iov.iov_len = r;
mongoc_stream_writev (ssl_stream, &iov, 1, TIMEOUT);
mongoc_stream_destroy (ssl_stream);
mongoc_socket_destroy (listen_sock);
data->server_result->result = SSL_TEST_SUCCESS;
return NULL;
}
/** this function is meant to be run from ssl_test as a child thread
*
* It:
* 1. spins up
* 2. waits on a condvar until the server is up
* 3. connects to the server's port
* 4. writes a 4 bytes length
* 5. writes a string of length size
* 6. reads a response back of the given length
* 7. confirms that its the same as what was written
* 8. shuts down
*/
static void *
ssl_test_client (void *ptr)
{
ssl_test_data_t *data = (ssl_test_data_t *) ptr;
mongoc_stream_t *sock_stream;
mongoc_stream_t *ssl_stream;
mongoc_socket_t *conn_sock;
int i;
char buf[1024];
ssize_t r;
mongoc_iovec_t riov;
mongoc_iovec_t wiov;
mongoc_iovec_t wiov_many[NUM_IOVECS];
struct sockaddr_in server_addr = {0};
int len;
bson_error_t error;
riov.iov_base = buf;
riov.iov_len = sizeof buf;
conn_sock = mongoc_socket_new (AF_INET, SOCK_STREAM, 0);
BSON_ASSERT (conn_sock);
mongoc_mutex_lock (&data->cond_mutex);
while (!data->server_port) {
mongoc_cond_wait (&data->cond, &data->cond_mutex);
}
mongoc_mutex_unlock (&data->cond_mutex);
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons (data->server_port);
server_addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
r = mongoc_socket_connect (
conn_sock, (struct sockaddr *) &server_addr, sizeof (server_addr), -1);
if (r != 0) {
fprintf (stderr,
"mongoc_socket_connect returned %zd: \"%s\"",
r,
strerror (errno));
abort ();
}
sock_stream = mongoc_stream_socket_new (conn_sock);
BSON_ASSERT (sock_stream);
ssl_stream = mongoc_stream_tls_new_with_hostname (
sock_stream, data->host, data->client, 1);
if (!ssl_stream) {
#ifdef MONGOC_ENABLE_SSL_OPENSSL
unsigned long err = ERR_get_error ();
#else
unsigned long err = 44;
#endif
BSON_ASSERT (err);
data->client_result->ssl_err = err;
data->client_result->result = SSL_TEST_SSL_INIT;
MONGOC_ERROR ("ERRORED (line: %d): %s\n",
__LINE__,
"mongoc_stream_tls_new_with_hostname failed.");
mongoc_stream_destroy (sock_stream);
return NULL;
}
BSON_ASSERT (ssl_stream);
r = mongoc_stream_tls_handshake_block (
ssl_stream, data->host, TIMEOUT, &error);
if (!r) {
unsigned long err = 45;
data->client_result->ssl_err = err;
data->client_result->result = SSL_TEST_SSL_HANDSHAKE;
MONGOC_ERROR ("ERRORED (line: %d): %s\n", __LINE__, error.message);
mongoc_stream_destroy (ssl_stream);
return NULL;
}
len = 4 * NUM_IOVECS;
wiov.iov_base = (void *) &len;
wiov.iov_len = 4;
r = mongoc_stream_writev (ssl_stream, &wiov, 1, TIMEOUT);
BSON_ASSERT (r == wiov.iov_len);
for (i = 0; i < NUM_IOVECS; i++) {
wiov_many[i].iov_base = (void *) "foo";
wiov_many[i].iov_len = 4;
}
r = mongoc_stream_writev (ssl_stream, wiov_many, NUM_IOVECS, TIMEOUT);
BSON_ASSERT (r == wiov_many[0].iov_len * NUM_IOVECS);
riov.iov_len = 1;
r = mongoc_stream_readv (ssl_stream, &riov, 1, 1, TIMEOUT);
BSON_ASSERT (r == 1);
BSON_ASSERT (memcmp (riov.iov_base, "f", 1) == 0);
riov.iov_len = 3;
r = mongoc_stream_readv (ssl_stream, &riov, 1, 3, TIMEOUT);
BSON_ASSERT (r == 3);
BSON_ASSERT (memcmp (riov.iov_base, "oo", 3) == 0);
mongoc_stream_destroy (ssl_stream);
data->client_result->result = SSL_TEST_SUCCESS;
return NULL;
}
/* TODO: factor */
static void *
worker_thread (void *data)
{
worker_closure_t *closure = (worker_closure_t *) data;
mock_server_t *server = closure->server;
mongoc_stream_t *client_stream = closure->client_stream;
mongoc_buffer_t buffer;
mongoc_rpc_t *rpc = NULL;
bool handled;
bson_error_t error;
int32_t msg_len;
bool stopped;
sync_queue_t *q;
request_t *request;
mongoc_array_t autoresponders;
ssize_t i;
autoresponder_handle_t handle;
#ifdef MONGOC_ENABLE_SSL
bool ssl;
#endif
ENTRY;
BSON_ASSERT(closure);
#ifdef MONGOC_ENABLE_SSL
mongoc_mutex_lock (&server->mutex);
ssl = server->ssl;
mongoc_mutex_unlock (&server->mutex);
if (ssl) {
if (!mongoc_stream_tls_handshake_block (client_stream, "localhost", TIMEOUT, &error)) {
MONGOC_ERROR("Blocking TLS handshake failed");
mongoc_stream_close (client_stream);
mongoc_stream_destroy (client_stream);
RETURN (NULL);
}
}
#endif
_mongoc_buffer_init (&buffer, NULL, 0, NULL, NULL);
_mongoc_array_init (&autoresponders, sizeof (autoresponder_handle_t));
again:
bson_free (rpc);
rpc = NULL;
handled = false;
mongoc_mutex_lock (&server->mutex);
stopped = server->stopped;
mongoc_mutex_unlock (&server->mutex);
if (stopped) {
GOTO(failure);
}
if (_mongoc_buffer_fill (&buffer, client_stream, 4, TIMEOUT, &error) == -1) {
GOTO (again);
}
assert (buffer.len >= 4);
memcpy (&msg_len, buffer.data + buffer.off, 4);
msg_len = BSON_UINT32_FROM_LE (msg_len);
if (msg_len < 16) {
MONGOC_WARNING ("No data");
GOTO (failure);
}
if (_mongoc_buffer_fill (&buffer, client_stream, (size_t) msg_len, -1,
&error) == -1) {
MONGOC_WARNING ("%s():%d: %s", BSON_FUNC, __LINE__, error.message);
GOTO (failure);
}
assert (buffer.len >= (unsigned) msg_len);
/* copies message from buffer */
request = request_new (&buffer, msg_len, server, client_stream,
closure->port);
mongoc_mutex_lock (&server->mutex);
_mongoc_array_copy (&autoresponders, &server->autoresponders);
mongoc_mutex_unlock (&server->mutex);
if (mock_server_get_verbose (server)) {
printf ("%5.2f %hu -> %hu %s\n",
mock_server_get_uptime_sec (server),
closure->port, server->port, request->as_str);
fflush (stdout);
}
/* run responders most-recently-added-first */
for (i = server->autoresponders.len - 1; i >= 0; i--) {
handle = _mongoc_array_index (&server->autoresponders,
autoresponder_handle_t,
i);
if (handle.responder (request, handle.data)) {
handled = true;
/* responder should destroy the request */
request = NULL;
break;
}
}
if (!handled) {
q = mock_server_get_queue (server);
q_put (q, (void *) request);
request = NULL;
}
memmove (buffer.data, buffer.data + buffer.off + msg_len,
buffer.len - msg_len);
buffer.off = 0;
buffer.len -= msg_len;
GOTO (again);
failure:
_mongoc_array_destroy (&autoresponders);
_mongoc_buffer_destroy (&buffer);
mongoc_stream_close (client_stream);
mongoc_stream_destroy (client_stream);
bson_free (rpc);
bson_free (closure);
_mongoc_buffer_destroy (&buffer);
RETURN (NULL);
}
static void *
worker_thread (void *data)
{
worker_closure_t *closure = (worker_closure_t *) data;
mock_server_t *server = closure->server;
mongoc_stream_t *client_stream = closure->client_stream;
mongoc_buffer_t buffer;
mongoc_rpc_t *rpc = NULL;
bool handled;
bson_error_t error;
int32_t msg_len;
sync_queue_t *requests;
sync_queue_t *replies;
request_t *request;
mongoc_array_t autoresponders;
ssize_t i;
autoresponder_handle_t handle;
reply_t *reply;
#ifdef MONGOC_ENABLE_SSL
bool ssl;
#endif
ENTRY;
/* queue of client replies sent over this worker's connection */
replies = q_new ();
#ifdef MONGOC_ENABLE_SSL
mongoc_mutex_lock (&server->mutex);
ssl = server->ssl;
mongoc_mutex_unlock (&server->mutex);
if (ssl) {
if (!mongoc_stream_tls_handshake_block (client_stream, "localhost",
TIMEOUT, &error)) {
mongoc_stream_close (client_stream);
mongoc_stream_destroy (client_stream);
RETURN (NULL);
}
}
#endif
_mongoc_buffer_init (&buffer, NULL, 0, NULL, NULL);
_mongoc_array_init (&autoresponders, sizeof (autoresponder_handle_t));
again:
/* loop, checking for requests to receive or replies to send */
bson_free (rpc);
rpc = NULL;
if (_mongoc_buffer_fill (&buffer, client_stream, 4, 10, &error) > 0) {
assert (buffer.len >= 4);
memcpy (&msg_len, buffer.data + buffer.off, 4);
msg_len = BSON_UINT32_FROM_LE (msg_len);
if (msg_len < 16) {
MONGOC_WARNING ("No data");
GOTO (failure);
}
if (_mongoc_buffer_fill (&buffer, client_stream, (size_t) msg_len, -1,
&error) == -1) {
MONGOC_WARNING ("%s():%d: %s", BSON_FUNC, __LINE__, error.message);
GOTO (failure);
}
assert (buffer.len >= (unsigned) msg_len);
/* copies message from buffer */
request = request_new (&buffer, msg_len, server, client_stream,
closure->port, replies);
memmove (buffer.data, buffer.data + buffer.off + msg_len,
buffer.len - msg_len);
buffer.off = 0;
buffer.len -= msg_len;
mongoc_mutex_lock (&server->mutex);
_mongoc_array_copy (&autoresponders, &server->autoresponders);
mongoc_mutex_unlock (&server->mutex);
test_suite_mock_server_log ("%5.2f %hu -> %hu %s",
mock_server_get_uptime_sec (server),
closure->port, server->port, request->as_str);
/* run responders most-recently-added-first */
handled = false;
for (i = server->autoresponders.len - 1; i >= 0; i--) {
handle = _mongoc_array_index (&server->autoresponders,
autoresponder_handle_t,
i);
if (handle.responder (request, handle.data)) {
/* responder destroyed request and enqueued a reply in "replies" */
handled = true;
request = NULL;
break;
}
}
if (!handled) {
/* pass to the main thread via the queue */
requests = mock_server_get_queue (server);
q_put (requests, (void *) request);
}
}
if (_mock_server_stopping (server)) {
GOTO (failure);
}
reply = q_get (replies, 10);
if (reply) {
_mock_server_reply_with_stream (server, reply, client_stream);
_reply_destroy (reply);
}
if (_mock_server_stopping (server)) {
GOTO (failure);
}
GOTO (again);
failure:
_mongoc_array_destroy (&autoresponders);
_mongoc_buffer_destroy (&buffer);
mongoc_stream_close (client_stream);
mongoc_stream_destroy (client_stream);
bson_free (rpc);
bson_free (closure);
_mongoc_buffer_destroy (&buffer);
while ((reply = q_get_nowait (replies))) {
_reply_destroy (reply);
}
q_destroy (replies);
RETURN (NULL);
}
/** run as a child thread by test_mongoc_tls_hangup
*
* It:
* 1. spins up
* 2. binds and listens to a random port
* 3. notifies the client of its port through a condvar
* 4. accepts a request
* 5. reads a byte
* 7. hangs up
*/
static void *
ssl_error_server (void *ptr)
{
ssl_test_data_t *data = (ssl_test_data_t *)ptr;
mongoc_stream_t *sock_stream;
mongoc_stream_t *ssl_stream;
mongoc_socket_t *listen_sock;
mongoc_socket_t *conn_sock;
socklen_t sock_len;
char buf;
ssize_t r;
mongoc_iovec_t iov;
struct sockaddr_in server_addr = { 0 };
bson_error_t error;
iov.iov_base = &buf;
iov.iov_len = 1;
listen_sock = mongoc_socket_new (AF_INET, SOCK_STREAM, 0);
assert (listen_sock);
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
server_addr.sin_port = htons (0);
r = mongoc_socket_bind (listen_sock,
(struct sockaddr *)&server_addr,
sizeof server_addr);
assert (r == 0);
sock_len = sizeof (server_addr);
r = mongoc_socket_getsockname (listen_sock, (struct sockaddr *)&server_addr,
&sock_len);
assert (r == 0);
r = mongoc_socket_listen (listen_sock, 10);
assert (r == 0);
mongoc_mutex_lock (&data->cond_mutex);
data->server_port = ntohs (server_addr.sin_port);
mongoc_cond_signal (&data->cond);
mongoc_mutex_unlock (&data->cond_mutex);
conn_sock = mongoc_socket_accept (listen_sock, -1);
assert (conn_sock);
sock_stream = mongoc_stream_socket_new (conn_sock);
assert (sock_stream);
ssl_stream = mongoc_stream_tls_new (sock_stream, data->server, 0);
assert (ssl_stream);
switch (data->behavior) {
case SSL_TEST_BEHAVIOR_STALL_BEFORE_HANDSHAKE:
_mongoc_usleep (data->handshake_stall_ms * 1000);
break;
case SSL_TEST_BEHAVIOR_HANGUP_AFTER_HANDSHAKE:
r = mongoc_stream_tls_handshake_block (ssl_stream, data->host, TIMEOUT, &error);
assert (r);
r = mongoc_stream_readv (ssl_stream, &iov, 1, 1, TIMEOUT);
assert (r == 1);
break;
case SSL_TEST_BEHAVIOR_NORMAL:
default:
fprintf (stderr, "unimplemented ssl_test_behavior_t\n");
abort ();
}
data->server_result->result = SSL_TEST_SUCCESS;
mongoc_stream_close (ssl_stream);
mongoc_stream_destroy (ssl_stream);
mongoc_socket_destroy (listen_sock);
return NULL;
}
