[openssl-commits] [openssl] master update
Emilia Kasper
emilia at openssl.org
Tue Aug 16 09:02:03 UTC 2016
The branch master has been updated
via e0421bd8b203b8c4e460c99740b5684600a503da (commit)
from ffb261ff192b1af83726305aee17d025ff8fe352 (commit)
- Log -----------------------------------------------------------------
commit e0421bd8b203b8c4e460c99740b5684600a503da
Author: Emilia Kasper <emilia at openssl.org>
Date: Thu Aug 11 20:51:57 2016 +0200
SSL tests: send some application data
Reviewed-by: Rich Salz <rsalz at openssl.org>
-----------------------------------------------------------------------
Summary of changes:
test/handshake_helper.c | 284 +++++++++++++++++++++++++++++++++++---------
test/ssl_test_ctx.c | 75 +++++++-----
test/ssl_test_ctx.h | 5 +
test/ssl_test_ctx_test.c | 6 +
test/ssl_test_ctx_test.conf | 1 +
5 files changed, 284 insertions(+), 87 deletions(-)
diff --git a/test/handshake_helper.c b/test/handshake_helper.c
index ee87512..07615ad 100644
--- a/test/handshake_helper.c
+++ b/test/handshake_helper.c
@@ -39,14 +39,14 @@ void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result)
* from the SSL object directly, we use the info callback and stash
* the result in ex_data.
*/
-typedef struct handshake_ex_data {
+typedef struct handshake_ex_data_st {
int alert_sent;
int alert_received;
int session_ticket_do_not_call;
ssl_servername_t servername;
} HANDSHAKE_EX_DATA;
-typedef struct ctx_data {
+typedef struct ctx_data_st {
unsigned char *npn_protocols;
size_t npn_protocols_len;
unsigned char *alpn_protocols;
@@ -401,13 +401,132 @@ static void configure_handshake_ssl(SSL *server, SSL *client,
ssl_servername_name(extra->client.servername));
}
-
+/* The status for each connection phase. */
typedef enum {
PEER_SUCCESS,
PEER_RETRY,
PEER_ERROR
} peer_status_t;
+/* An SSL object and associated read-write buffers. */
+typedef struct peer_st {
+ SSL *ssl;
+ /* Buffer lengths are int to match the SSL read/write API. */
+ unsigned char *write_buf;
+ int write_buf_len;
+ unsigned char *read_buf;
+ int read_buf_len;
+ int bytes_to_write;
+ int bytes_to_read;
+ peer_status_t status;
+} PEER;
+
+static void create_peer(PEER *peer, SSL_CTX *ctx)
+{
+ static const int peer_buffer_size = 64 * 1024;
+
+ peer->ssl = SSL_new(ctx);
+ TEST_check(peer->ssl != NULL);
+ peer->write_buf = OPENSSL_zalloc(peer_buffer_size);
+ TEST_check(peer->write_buf != NULL);
+ peer->read_buf = OPENSSL_zalloc(peer_buffer_size);
+ TEST_check(peer->read_buf != NULL);
+ peer->write_buf_len = peer->read_buf_len = peer_buffer_size;
+}
+
+static void peer_free_data(PEER *peer)
+{
+ SSL_free(peer->ssl);
+ OPENSSL_free(peer->write_buf);
+ OPENSSL_free(peer->read_buf);
+}
+
+/*
+ * Note that we could do the handshake transparently under an SSL_write,
+ * but separating the steps is more helpful for debugging test failures.
+ */
+static void do_handshake_step(PEER *peer)
+{
+ int ret;
+
+ TEST_check(peer->status == PEER_RETRY);
+ ret = SSL_do_handshake(peer->ssl);
+
+ if (ret == 1) {
+ peer->status = PEER_SUCCESS;
+ } else if (ret == 0) {
+ peer->status = PEER_ERROR;
+ } else {
+ int error = SSL_get_error(peer->ssl, ret);
+ /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
+ if (error != SSL_ERROR_WANT_READ)
+ peer->status = PEER_ERROR;
+ }
+}
+
+/*-
+ * Send/receive some application data. The read-write sequence is
+ * Peer A: (R) W - first read will yield no data
+ * Peer B: R W
+ * ...
+ * Peer A: R W
+ * Peer B: R W
+ * Peer A: R
+ */
+static void do_app_data_step(PEER *peer)
+{
+ int ret = 1, write_bytes;
+
+ TEST_check(peer->status == PEER_RETRY);
+
+ /* We read everything available... */
+ while (ret > 0 && peer->bytes_to_read) {
+ ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len);
+ if (ret > 0) {
+ TEST_check(ret <= peer->bytes_to_read);
+ peer->bytes_to_read -= ret;
+ } else if (ret == 0) {
+ 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;
+ } /* Else continue with write. */
+ }
+ }
+
+ /* ... but we only write one write-buffer-full of data. */
+ write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write :
+ peer->write_buf_len;
+ if (write_bytes) {
+ ret = SSL_write(peer->ssl, peer->write_buf, write_bytes);
+ if (ret > 0) {
+ /* SSL_write will only succeed with a complete write. */
+ TEST_check(ret == write_bytes);
+ peer->bytes_to_write -= ret;
+ } else {
+ /*
+ * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
+ * but this doesn't yet occur with current app data sizes.
+ */
+ peer->status = PEER_ERROR;
+ return;
+ }
+ }
+
+ /*
+ * We could simply finish when there was nothing to read, and we have
+ * nothing left to write. But keeping track of the expected number of bytes
+ * to read gives us somewhat better guarantees that all data sent is in fact
+ * received.
+ */
+ if (!peer->bytes_to_write && !peer->bytes_to_read) {
+ peer->status = PEER_SUCCESS;
+ }
+}
+
/*
* RFC 5246 says:
*
@@ -423,23 +542,58 @@ typedef enum {
* can compare sent and received close_notify alerts and get some test coverage
* for SSL_shutdown as a bonus.
*/
-static peer_status_t do_handshake_step(SSL *ssl, int shutdown)
+static void do_shutdown_step(PEER *peer)
{
int ret;
- ret = shutdown ? SSL_shutdown(ssl) : SSL_do_handshake(ssl);
+ TEST_check(peer->status == PEER_RETRY);
+ ret = SSL_shutdown(peer->ssl);
if (ret == 1) {
- return PEER_SUCCESS;
- } else if (ret == 0) {
- return shutdown ? PEER_RETRY : PEER_ERROR;
- } else {
- int error = SSL_get_error(ssl, ret);
+ peer->status = PEER_SUCCESS;
+ } else if (ret < 0) { /* On 0, we retry. */
+ int error = SSL_get_error(peer->ssl, ret);
/* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
- if (error == SSL_ERROR_WANT_READ)
- return PEER_RETRY;
- else
- return PEER_ERROR;
+ if (error != SSL_ERROR_WANT_READ)
+ peer->status = PEER_ERROR;
+ }
+}
+
+typedef enum {
+ HANDSHAKE,
+ APPLICATION_DATA,
+ SHUTDOWN,
+ CONNECTION_DONE
+} connect_phase_t;
+
+static connect_phase_t next_phase(connect_phase_t phase)
+{
+ switch (phase) {
+ case HANDSHAKE:
+ return APPLICATION_DATA;
+ case APPLICATION_DATA:
+ return SHUTDOWN;
+ case SHUTDOWN:
+ return CONNECTION_DONE;
+ default:
+ TEST_check(0); /* Should never call next_phase when done. */
+ }
+}
+
+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);
}
}
@@ -502,6 +656,7 @@ static handshake_status_t handshake_status(peer_status_t last_status,
* TODO(emilia): we should be able to continue here (with some
* application data?) to ensure the first peer receives the
* alert / close_notify.
+ * (No tests currently exercise this branch.)
*/
return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR;
case PEER_RETRY:
@@ -533,16 +688,16 @@ static char *dup_str(const unsigned char *in, size_t len)
static HANDSHAKE_RESULT *do_handshake_internal(
SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx,
- const SSL_TEST_EXTRA_CONF *extra, SSL_SESSION *session_in,
- SSL_SESSION **session_out)
+ const SSL_TEST_EXTRA_CONF *extra, int app_data_size,
+ SSL_SESSION *session_in, SSL_SESSION **session_out)
{
- SSL *server, *client;
+ PEER 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;
+ int client_turn = 1;
+ connect_phase_t phase = HANDSHAKE;
handshake_status_t status = HANDSHAKE_RETRY;
unsigned char* tick = NULL;
size_t tick_len = 0;
@@ -554,20 +709,24 @@ static HANDSHAKE_RESULT *do_handshake_internal(
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));
+ memset(&server, 0, sizeof(server));
+ memset(&client, 0, sizeof(client));
configure_handshake_ctx(server_ctx, server2_ctx, client_ctx, extra,
&server_ctx_data, &server2_ctx_data, &client_ctx_data);
- server = SSL_new(server_ctx);
- client = SSL_new(client_ctx);
- TEST_check(server != NULL);
- TEST_check(client != NULL);
+ /* Setup SSL and buffers; additional configuration happens below. */
+ create_peer(&server, server_ctx);
+ create_peer(&client, client_ctx);
- configure_handshake_ssl(server, client, extra);
+ server.bytes_to_write = client.bytes_to_read = app_data_size;
+ client.bytes_to_write = server.bytes_to_read = app_data_size;
+
+ configure_handshake_ssl(server.ssl, client.ssl, extra);
if (session_in != NULL) {
/* In case we're testing resumption without tickets. */
TEST_check(SSL_CTX_add_session(server_ctx, session_in));
- TEST_check(SSL_set_session(client, session_in));
+ TEST_check(SSL_set_session(client.ssl, session_in));
}
memset(&server_ex_data, 0, sizeof(server_ex_data));
@@ -578,31 +737,32 @@ static HANDSHAKE_RESULT *do_handshake_internal(
client_to_server = BIO_new(BIO_s_mem());
server_to_client = BIO_new(BIO_s_mem());
- TEST_check(client_to_server != NULL && server_to_client != NULL);
+ TEST_check(client_to_server != NULL);
+ TEST_check(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);
+ SSL_set_connect_state(client.ssl);
+ SSL_set_accept_state(server.ssl);
/* The bios are now owned by the SSL object. */
- SSL_set_bio(client, server_to_client, client_to_server);
+ SSL_set_bio(client.ssl, server_to_client, client_to_server);
TEST_check(BIO_up_ref(server_to_client) > 0);
TEST_check(BIO_up_ref(client_to_server) > 0);
- SSL_set_bio(server, client_to_server, server_to_client);
+ SSL_set_bio(server.ssl, client_to_server, server_to_client);
ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL);
TEST_check(ex_data_idx >= 0);
- TEST_check(SSL_set_ex_data(server, ex_data_idx,
- &server_ex_data) == 1);
- TEST_check(SSL_set_ex_data(client, ex_data_idx,
- &client_ex_data) == 1);
+ TEST_check(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data) == 1);
+ TEST_check(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data) == 1);
+
+ SSL_set_info_callback(server.ssl, &info_cb);
+ SSL_set_info_callback(client.ssl, &info_cb);
- SSL_set_info_callback(server, &info_cb);
- SSL_set_info_callback(client, &info_cb);
+ client.status = server.status = PEER_RETRY;
/*
* Half-duplex handshake loop.
@@ -614,23 +774,29 @@ static HANDSHAKE_RESULT *do_handshake_internal(
*/
for(;;) {
if (client_turn) {
- client_status = do_handshake_step(client, shutdown);
- status = handshake_status(client_status, server_status,
+ do_connect_step(&client, phase);
+ 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,
+ do_connect_step(&server, phase);
+ status = handshake_status(server.status, client.status,
0 /* server went last */);
}
switch (status) {
case HANDSHAKE_SUCCESS:
- if (shutdown) {
+ phase = next_phase(phase);
+ if (phase == CONNECTION_DONE) {
ret->result = SSL_TEST_SUCCESS;
goto err;
} else {
- client_status = server_status = PEER_RETRY;
- shutdown = 1;
+ client.status = server.status = PEER_RETRY;
+ /*
+ * For now, client starts each phase. Since each phase is
+ * started separately, we can later control this more
+ * precisely, for example, to test client-initiated and
+ * server-initiated shutdown.
+ */
client_turn = 1;
break;
}
@@ -654,10 +820,10 @@ static HANDSHAKE_RESULT *do_handshake_internal(
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->server_protocol = SSL_version(server.ssl);
+ ret->client_protocol = SSL_version(client.ssl);
ret->servername = server_ex_data.servername;
- if ((sess = SSL_get0_session(client)) != NULL)
+ if ((sess = SSL_get0_session(client.ssl)) != NULL)
SSL_SESSION_get0_ticket(sess, &tick, &tick_len);
if (tick == NULL || tick_len == 0)
ret->session_ticket = SSL_TEST_SESSION_TICKET_NO;
@@ -666,31 +832,31 @@ static HANDSHAKE_RESULT *do_handshake_internal(
ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call;
#ifndef OPENSSL_NO_NEXTPROTONEG
- SSL_get0_next_proto_negotiated(client, &proto, &proto_len);
+ SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len);
ret->client_npn_negotiated = dup_str(proto, proto_len);
- SSL_get0_next_proto_negotiated(server, &proto, &proto_len);
+ SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len);
ret->server_npn_negotiated = dup_str(proto, proto_len);
#endif
- SSL_get0_alpn_selected(client, &proto, &proto_len);
+ SSL_get0_alpn_selected(client.ssl, &proto, &proto_len);
ret->client_alpn_negotiated = dup_str(proto, proto_len);
- SSL_get0_alpn_selected(server, &proto, &proto_len);
+ SSL_get0_alpn_selected(server.ssl, &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);
+ ret->client_resumed = SSL_session_reused(client.ssl);
+ ret->server_resumed = SSL_session_reused(server.ssl);
if (session_out != NULL)
- *session_out = SSL_get1_session(client);
+ *session_out = SSL_get1_session(client.ssl);
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);
+ peer_free_data(&server);
+ peer_free_data(&client);
return ret;
}
@@ -703,7 +869,8 @@ HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
SSL_SESSION *session = NULL;
result = do_handshake_internal(server_ctx, server2_ctx, client_ctx,
- &test_ctx->extra, NULL, &session);
+ &test_ctx->extra, test_ctx->app_data_size,
+ NULL, &session);
if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_SIMPLE)
goto end;
@@ -711,13 +878,14 @@ HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
if (result->result != SSL_TEST_SUCCESS) {
result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED;
- return result;
+ goto end;
}
HANDSHAKE_RESULT_free(result);
/* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx,
- &test_ctx->resume_extra, session, NULL);
+ &test_ctx->resume_extra, test_ctx->app_data_size,
+ session, NULL);
end:
SSL_SESSION_free(session);
return result;
diff --git a/test/ssl_test_ctx.c b/test/ssl_test_ctx.c
index 3913e9f..8c953a3 100644
--- a/test/ssl_test_ctx.c
+++ b/test/ssl_test_ctx.c
@@ -16,6 +16,43 @@
#include "ssl_test_ctx.h"
#include "testutil.h"
+static const int default_app_data_size = 256;
+
+static int parse_boolean(const char *value, int *result)
+{
+ if (strcasecmp(value, "Yes") == 0) {
+ *result = 1;
+ return 1;
+ }
+ else if (strcasecmp(value, "No") == 0) {
+ *result = 0;
+ return 1;
+ }
+ return 0;
+}
+
+#define IMPLEMENT_SSL_TEST_BOOL_OPTION(struct_type, name, field) \
+ static int parse_##name##_##field(struct_type *ctx, const char *value) \
+ { \
+ return parse_boolean(value, &ctx->field); \
+ }
+
+#define IMPLEMENT_SSL_TEST_STRING_OPTION(struct_type, name, field) \
+ static int parse_##name##_##field(struct_type *ctx, const char *value) \
+ { \
+ OPENSSL_free(ctx->field); \
+ ctx->field = OPENSSL_strdup(value); \
+ TEST_check(ctx->field != NULL); \
+ return 1; \
+ }
+
+#define IMPLEMENT_SSL_TEST_INT_OPTION(struct_type, name, field) \
+ static int parse_##name##_##field(struct_type *ctx, const char *value) \
+ { \
+ ctx->field = atoi(value); \
+ return 1; \
+ }
+
/* True enums and other test configuration values that map to an int. */
typedef struct {
const char *name;
@@ -133,7 +170,7 @@ const char *ssl_protocol_name(int protocol)
}
/***********************/
-/* VerifyCallback. */
+/* VerifyCallback. */
/***********************/
static const test_enum ssl_verify_callbacks[] = {
@@ -282,15 +319,6 @@ const char *ssl_test_method_name(ssl_test_method_t method)
return enum_name(ssl_test_methods, OSSL_NELEM(ssl_test_methods), method);
}
-#define IMPLEMENT_SSL_TEST_STRING_OPTION(struct_type, name, field) \
- static int parse_##name##_##field(struct_type *ctx, const char *value) \
- { \
- OPENSSL_free(ctx->field); \
- ctx->field = OPENSSL_strdup(value); \
- TEST_check(ctx->field != NULL); \
- return 1; \
- }
-
/************************************/
/* NPN and ALPN options */
/************************************/
@@ -357,28 +385,15 @@ const char *ssl_ct_validation_name(ssl_ct_validation_t mode)
mode);
}
-static int parse_boolean(const char *value, int *result)
-{
- if (strcasecmp(value, "Yes") == 0) {
- *result = 1;
- return 1;
- }
- else if (strcasecmp(value, "No") == 0) {
- *result = 0;
- return 1;
- }
- return 0;
-}
-
-#define IMPLEMENT_SSL_TEST_BOOL_OPTION(struct_type, name, field) \
- static int parse_##name##_##field(struct_type *ctx, const char *value) \
- { \
- return parse_boolean(value, &ctx->field); \
- }
-
IMPLEMENT_SSL_TEST_BOOL_OPTION(SSL_TEST_CTX, test, resumption_expected)
IMPLEMENT_SSL_TEST_BOOL_OPTION(SSL_TEST_SERVER_CONF, server, broken_session_ticket)
+/***********************/
+/* Applicationdata */
+/***********************/
+
+IMPLEMENT_SSL_TEST_INT_OPTION(SSL_TEST_CTX, test, app_data_size)
+
/*************************************************************/
/* Known test options and their corresponding parse methods. */
/*************************************************************/
@@ -401,6 +416,7 @@ static const ssl_test_ctx_option ssl_test_ctx_options[] = {
{ "ExpectedALPNProtocol", &parse_test_expected_alpn_protocol },
{ "HandshakeMode", &parse_handshake_mode },
{ "ResumptionExpected", &parse_test_resumption_expected },
+ { "ApplicationData", &parse_test_app_data_size },
};
/* Nested client options. */
@@ -439,6 +455,7 @@ SSL_TEST_CTX *SSL_TEST_CTX_new()
SSL_TEST_CTX *ret;
ret = OPENSSL_zalloc(sizeof(*ret));
TEST_check(ret != NULL);
+ ret->app_data_size = default_app_data_size;
return ret;
}
diff --git a/test/ssl_test_ctx.h b/test/ssl_test_ctx.h
index 916b31a..1074f8e 100644
--- a/test/ssl_test_ctx.h
+++ b/test/ssl_test_ctx.h
@@ -104,6 +104,11 @@ typedef struct {
ssl_test_method_t method;
/* Whether to test a resumed/renegotiated handshake. */
ssl_handshake_mode_t handshake_mode;
+ /*
+ * How much application data to exchange (default is 256 bytes).
+ * Both peers will send |app_data_size| bytes interleaved.
+ */
+ int app_data_size;
/*
* Extra server/client configurations. Per-handshake.
diff --git a/test/ssl_test_ctx_test.c b/test/ssl_test_ctx_test.c
index 60bd573..f110bd1 100644
--- a/test/ssl_test_ctx_test.c
+++ b/test/ssl_test_ctx_test.c
@@ -109,6 +109,11 @@ static int SSL_TEST_CTX_equal(SSL_TEST_CTX *ctx, SSL_TEST_CTX *ctx2)
ssl_handshake_mode_name(ctx2->handshake_mode));
return 0;
}
+ if (ctx->app_data_size != ctx2->app_data_size) {
+ fprintf(stderr, "ApplicationData mismatch: %d vs %d.\n",
+ ctx->app_data_size, ctx2->app_data_size);
+ return 0;
+ }
if (!SSL_TEST_EXTRA_CONF_equal(&ctx->extra, &ctx2->extra)) {
fprintf(stderr, "Extra conf mismatch.\n");
@@ -240,6 +245,7 @@ static int test_good_configuration()
fixture.test_section = "ssltest_good";
fixture.expected_ctx->method = SSL_TEST_METHOD_DTLS;
fixture.expected_ctx->handshake_mode = SSL_TEST_HANDSHAKE_RESUME;
+ fixture.expected_ctx->app_data_size = 1024;
fixture.expected_ctx->expected_result = SSL_TEST_SERVER_FAIL;
fixture.expected_ctx->expected_client_alert = SSL_AD_UNKNOWN_CA;
diff --git a/test/ssl_test_ctx_test.conf b/test/ssl_test_ctx_test.conf
index 3c46d96..d1dbd22 100644
--- a/test/ssl_test_ctx_test.conf
+++ b/test/ssl_test_ctx_test.conf
@@ -8,6 +8,7 @@ resume-client = ssltest_good_resume_client_extra
Method = DTLS
HandshakeMode = Resume
+ApplicationData = 1024
ExpectedResult = ServerFail
ExpectedClientAlert = UnknownCA
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