static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer,
connect_phase_t phase)
{
switch (phase) {
case HANDSHAKE:
do_handshake_step(peer);
break;
case RENEG_APPLICATION_DATA:
do_app_data_step(peer);
break;
case RENEG_SETUP:
do_reneg_setup_step(test_ctx, peer);
break;
case RENEG_HANDSHAKE:
do_handshake_step(peer);
break;
case APPLICATION_DATA:
do_app_data_step(peer);
break;
case SHUTDOWN:
do_shutdown_step(peer);
break;
case CONNECTION_DONE:
TEST_check(0);
break;
}
}
static void do_connect_step(PEER *peer, connect_phase_t phase)
{
switch (phase) {
case HANDSHAKE:
do_handshake_step(peer);
break;
case APPLICATION_DATA:
do_app_data_step(peer);
break;
case SHUTDOWN:
do_shutdown_step(peer);
break;
default:
TEST_check(0);
}
}
static HANDSHAKE_RESULT *do_handshake_internal(
SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx,
const SSL_TEST_CTX *test_ctx, SSL_SESSION *session_in,
SSL_SESSION **session_out)
{
SSL *server, *client;
BIO *client_to_server, *server_to_client;
HANDSHAKE_EX_DATA server_ex_data, client_ex_data;
CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data;
HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new();
int client_turn = 1, shutdown = 0;
peer_status_t client_status = PEER_RETRY, server_status = PEER_RETRY;
handshake_status_t status = HANDSHAKE_RETRY;
unsigned char* tick = NULL;
size_t tick_len = 0;
SSL_SESSION* sess = NULL;
const unsigned char *proto = NULL;
/* API dictates unsigned int rather than size_t. */
unsigned int proto_len = 0;
memset(&server_ctx_data, 0, sizeof(server_ctx_data));
memset(&server2_ctx_data, 0, sizeof(server2_ctx_data));
memset(&client_ctx_data, 0, sizeof(client_ctx_data));
configure_handshake_ctx(server_ctx, server2_ctx, client_ctx, test_ctx,
&server_ctx_data, &server2_ctx_data, &client_ctx_data);
server = SSL_new(server_ctx);
client = SSL_new(client_ctx);
OPENSSL_assert(server != NULL && client != NULL);
configure_handshake_ssl(server, client, test_ctx);
if (session_in != NULL) {
/* In case we're testing resumption without tickets. */
OPENSSL_assert(SSL_CTX_add_session(server_ctx, session_in));
OPENSSL_assert(SSL_set_session(client, session_in));
}
memset(&server_ex_data, 0, sizeof(server_ex_data));
memset(&client_ex_data, 0, sizeof(client_ex_data));
ret->result = SSL_TEST_INTERNAL_ERROR;
client_to_server = BIO_new(BIO_s_mem());
server_to_client = BIO_new(BIO_s_mem());
OPENSSL_assert(client_to_server != NULL && server_to_client != NULL);
/* Non-blocking bio. */
BIO_set_nbio(client_to_server, 1);
BIO_set_nbio(server_to_client, 1);
SSL_set_connect_state(client);
SSL_set_accept_state(server);
/* The bios are now owned by the SSL object. */
SSL_set_bio(client, server_to_client, client_to_server);
OPENSSL_assert(BIO_up_ref(server_to_client) > 0);
OPENSSL_assert(BIO_up_ref(client_to_server) > 0);
SSL_set_bio(server, client_to_server, server_to_client);
ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL);
OPENSSL_assert(ex_data_idx >= 0);
OPENSSL_assert(SSL_set_ex_data(server, ex_data_idx,
&server_ex_data) == 1);
OPENSSL_assert(SSL_set_ex_data(client, ex_data_idx,
&client_ex_data) == 1);
SSL_set_info_callback(server, &info_cb);
SSL_set_info_callback(client, &info_cb);
/*
* Half-duplex handshake loop.
* Client and server speak to each other synchronously in the same process.
* We use non-blocking BIOs, so whenever one peer blocks for read, it
* returns PEER_RETRY to indicate that it's the other peer's turn to write.
* The handshake succeeds once both peers have succeeded. If one peer
* errors out, we also let the other peer retry (and presumably fail).
*/
for(;;) {
if (client_turn) {
client_status = do_handshake_step(client, shutdown);
status = handshake_status(client_status, server_status,
1 /* client went last */);
} else {
server_status = do_handshake_step(server, shutdown);
status = handshake_status(server_status, client_status,
0 /* server went last */);
}
switch (status) {
case HANDSHAKE_SUCCESS:
if (shutdown) {
ret->result = SSL_TEST_SUCCESS;
goto err;
} else {
client_status = server_status = PEER_RETRY;
shutdown = 1;
client_turn = 1;
break;
}
case CLIENT_ERROR:
ret->result = SSL_TEST_CLIENT_FAIL;
goto err;
case SERVER_ERROR:
ret->result = SSL_TEST_SERVER_FAIL;
goto err;
case INTERNAL_ERROR:
ret->result = SSL_TEST_INTERNAL_ERROR;
goto err;
case HANDSHAKE_RETRY:
/* Continue. */
client_turn ^= 1;
break;
}
}
err:
ret->server_alert_sent = server_ex_data.alert_sent;
ret->server_alert_received = client_ex_data.alert_received;
ret->client_alert_sent = client_ex_data.alert_sent;
ret->client_alert_received = server_ex_data.alert_received;
ret->server_protocol = SSL_version(server);
ret->client_protocol = SSL_version(client);
ret->servername = server_ex_data.servername;
if ((sess = SSL_get0_session(client)) != NULL)
SSL_SESSION_get0_ticket(sess, &tick, &tick_len);
if (tick == NULL || tick_len == 0)
ret->session_ticket = SSL_TEST_SESSION_TICKET_NO;
else
ret->session_ticket = SSL_TEST_SESSION_TICKET_YES;
ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call;
SSL_get0_next_proto_negotiated(client, &proto, &proto_len);
ret->client_npn_negotiated = dup_str(proto, proto_len);
SSL_get0_next_proto_negotiated(server, &proto, &proto_len);
ret->server_npn_negotiated = dup_str(proto, proto_len);
SSL_get0_alpn_selected(client, &proto, &proto_len);
ret->client_alpn_negotiated = dup_str(proto, proto_len);
SSL_get0_alpn_selected(server, &proto, &proto_len);
ret->server_alpn_negotiated = dup_str(proto, proto_len);
ret->client_resumed = SSL_session_reused(client);
ret->server_resumed = SSL_session_reused(server);
if (session_out != NULL)
*session_out = SSL_get1_session(client);
ctx_data_free_data(&server_ctx_data);
ctx_data_free_data(&server2_ctx_data);
ctx_data_free_data(&client_ctx_data);
SSL_free(server);
SSL_free(client);
return ret;
}
HANDSHAKE_RESULT do_handshake(SSL_CTX *server_ctx, SSL_CTX *client_ctx,
const SSL_TEST_CTX *test_ctx)
{
SSL *server, *client;
BIO *client_to_server, *server_to_client;
HANDSHAKE_EX_DATA server_ex_data, client_ex_data;
HANDSHAKE_RESULT ret;
int client_turn = 1;
peer_status_t client_status = PEER_RETRY, server_status = PEER_RETRY;
handshake_status_t status = HANDSHAKE_RETRY;
unsigned char* tick = NULL;
size_t len = 0;
SSL_SESSION* sess = NULL;
configure_handshake_ctx(server_ctx, client_ctx, test_ctx);
server = SSL_new(server_ctx);
client = SSL_new(client_ctx);
OPENSSL_assert(server != NULL && client != NULL);
configure_handshake_ssl(server, client, test_ctx);
memset(&server_ex_data, 0, sizeof(server_ex_data));
memset(&client_ex_data, 0, sizeof(client_ex_data));
memset(&ret, 0, sizeof(ret));
ret.result = SSL_TEST_INTERNAL_ERROR;
client_to_server = BIO_new(BIO_s_mem());
server_to_client = BIO_new(BIO_s_mem());
OPENSSL_assert(client_to_server != NULL && server_to_client != NULL);
/* Non-blocking bio. */
BIO_set_nbio(client_to_server, 1);
BIO_set_nbio(server_to_client, 1);
SSL_set_connect_state(client);
SSL_set_accept_state(server);
/* The bios are now owned by the SSL object. */
SSL_set_bio(client, server_to_client, client_to_server);
OPENSSL_assert(BIO_up_ref(server_to_client) > 0);
OPENSSL_assert(BIO_up_ref(client_to_server) > 0);
SSL_set_bio(server, client_to_server, server_to_client);
ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL);
OPENSSL_assert(ex_data_idx >= 0);
OPENSSL_assert(SSL_set_ex_data(server, ex_data_idx,
&server_ex_data) == 1);
OPENSSL_assert(SSL_set_ex_data(client, ex_data_idx,
&client_ex_data) == 1);
SSL_set_info_callback(server, &info_callback);
SSL_set_info_callback(client, &info_callback);
/*
* Half-duplex handshake loop.
* Client and server speak to each other synchronously in the same process.
* We use non-blocking BIOs, so whenever one peer blocks for read, it
* returns PEER_RETRY to indicate that it's the other peer's turn to write.
* The handshake succeeds once both peers have succeeded. If one peer
* errors out, we also let the other peer retry (and presumably fail).
*/
for(;;) {
if (client_turn) {
client_status = do_handshake_step(client);
status = handshake_status(client_status, server_status,
1 /* client went last */);
} else {
server_status = do_handshake_step(server);
status = handshake_status(server_status, client_status,
0 /* server went last */);
}
switch (status) {
case HANDSHAKE_SUCCESS:
ret.result = SSL_TEST_SUCCESS;
goto err;
case CLIENT_ERROR:
ret.result = SSL_TEST_CLIENT_FAIL;
goto err;
case SERVER_ERROR:
ret.result = SSL_TEST_SERVER_FAIL;
goto err;
case INTERNAL_ERROR:
ret.result = SSL_TEST_INTERNAL_ERROR;
goto err;
case HANDSHAKE_RETRY:
/* Continue. */
client_turn ^= 1;
break;
}
}
err:
ret.server_alert_sent = server_ex_data.alert_sent;
ret.server_alert_received = client_ex_data.alert_received;
ret.client_alert_sent = client_ex_data.alert_sent;
ret.client_alert_received = server_ex_data.alert_received;
ret.server_protocol = SSL_version(server);
ret.client_protocol = SSL_version(client);
ret.servername = ((SSL_get_SSL_CTX(server) == server_ctx)
? SSL_TEST_SERVERNAME_SERVER1
: SSL_TEST_SERVERNAME_SERVER2);
if ((sess = SSL_get0_session(client)) != NULL)
SSL_SESSION_get0_ticket(sess, &tick, &len);
if (tick == NULL || len == 0)
ret.session_ticket = SSL_TEST_SESSION_TICKET_NO;
else
ret.session_ticket = SSL_TEST_SESSION_TICKET_YES;
ret.session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call;
SSL_free(server);
SSL_free(client);
return ret;
}
static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer)
{
int ret;
char buf;
TEST_check(peer->status == PEER_RETRY);
TEST_check(test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
|| test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT);
/* Check if we are the peer that is going to initiate */
if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
&& SSL_is_server(peer->ssl))
|| (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT
&& !SSL_is_server(peer->ssl))) {
/*
* If we already asked for a renegotiation then fall through to the
* SSL_read() below.
*/
if (!SSL_renegotiate_pending(peer->ssl)) {
/*
* If we are the client we will always attempt to resume the
* session. The server may or may not resume dependant on the
* setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
*/
if (SSL_is_server(peer->ssl))
ret = SSL_renegotiate(peer->ssl);
else
ret = SSL_renegotiate_abbreviated(peer->ssl);
if (!ret) {
peer->status = PEER_ERROR;
return;
}
do_handshake_step(peer);
/*
* If status is PEER_RETRY it means we're waiting on the peer to
* continue the handshake. As far as setting up the renegotiation is
* concerned that is a success. The next step will continue the
* handshake to its conclusion.
*
* If status is PEER_SUCCESS then we are the server and we have
* successfully sent the HelloRequest. We need to continue to wait
* until the handshake arrives from the client.
*/
if (peer->status == PEER_RETRY)
peer->status = PEER_SUCCESS;
else if (peer->status == PEER_SUCCESS)
peer->status = PEER_RETRY;
return;
}
}
/*
* The SSL object is still expecting app data, even though it's going to
* get a handshake message. We try to read, and it should fail - after which
* we should be in a handshake
*/
ret = SSL_read(peer->ssl, &buf, sizeof(buf));
if (ret >= 0) {
/*
* We're not actually expecting data - we're expecting a reneg to
* start
*/
peer->status = PEER_ERROR;
return;
} else {
int error = SSL_get_error(peer->ssl, ret);
if (error != SSL_ERROR_WANT_READ) {
peer->status = PEER_ERROR;
return;
}
/* If we're no in init yet then we're not done with setup yet */
if (!SSL_in_init(peer->ssl))
return;
}
peer->status = PEER_SUCCESS;
}
