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Add min/max version negotiation to unit tests

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Add the min/max version negotiation tests from ssl-opt.sh as unit
tests for the sake of utility and easier running of tests during
development

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2020-04-15 17:00:50 +01:00
parent 3c4a46c44a
commit c857044e94
2 changed files with 109 additions and 22 deletions
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44
tests/suites/test_suite_ssl.data
View File

@ -201,19 +201,19 @@ move_handshake_to_state:MBEDTLS_SSL_IS_SERVER:MBEDTLS_SSL_SERVER_NEW_SESSION_TIC
Handshake, SSL3
depends_on:MBEDTLS_SSL_PROTO_SSL3:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED
handshake_version:MBEDTLS_SSL_MINOR_VERSION_0:0
handshake_version:0:MBEDTLS_SSL_MINOR_VERSION_0:MBEDTLS_SSL_MINOR_VERSION_0:MBEDTLS_SSL_MINOR_VERSION_0:MBEDTLS_SSL_MINOR_VERSION_0:MBEDTLS_SSL_MINOR_VERSION_0
Handshake, tls1
depends_on:MBEDTLS_SSL_PROTO_TLS1:MBEDTLS_CIPHER_MODE_CBC
handshake_version:MBEDTLS_SSL_MINOR_VERSION_1:0
handshake_version:0:MBEDTLS_SSL_MINOR_VERSION_1:MBEDTLS_SSL_MINOR_VERSION_1:MBEDTLS_SSL_MINOR_VERSION_1:MBEDTLS_SSL_MINOR_VERSION_1:MBEDTLS_SSL_MINOR_VERSION_1
Handshake, tls1_1
depends_on:MBEDTLS_SSL_PROTO_TLS1_1:MBEDTLS_CIPHER_MODE_CBC
handshake_version:MBEDTLS_SSL_MINOR_VERSION_2:0
handshake_version:0:MBEDTLS_SSL_MINOR_VERSION_2:MBEDTLS_SSL_MINOR_VERSION_2:MBEDTLS_SSL_MINOR_VERSION_2:MBEDTLS_SSL_MINOR_VERSION_2:MBEDTLS_SSL_MINOR_VERSION_2
Handshake, tls1_2
depends_on:MBEDTLS_SSL_PROTO_TLS1_2
handshake_version:MBEDTLS_SSL_MINOR_VERSION_3:0
handshake_version:0:MBEDTLS_SSL_MINOR_VERSION_3:MBEDTLS_SSL_MINOR_VERSION_3:MBEDTLS_SSL_MINOR_VERSION_3:MBEDTLS_SSL_MINOR_VERSION_3:MBEDTLS_SSL_MINOR_VERSION_3
Handshake, ECDHE-RSA-WITH-AES-256-GCM-SHA384
depends_on:MBEDTLS_SHA512_C:!MBEDTLS_SHA512_NO_SHA384:MBEDTLS_AES_C:MBEDTLS_GCM_C:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
@ -241,11 +241,11 @@ handshake_psk_cipher:"TLS-PSK-WITH-AES-128-CBC-SHA":MBEDTLS_PK_RSA:"abc123":0
DTLS Handshake, tls1_1
depends_on:MBEDTLS_SSL_PROTO_TLS1_1:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_SSL_PROTO_DTLS
handshake_version:MBEDTLS_SSL_MINOR_VERSION_2:1
handshake_version:1:MBEDTLS_SSL_MINOR_VERSION_2:MBEDTLS_SSL_MINOR_VERSION_2:MBEDTLS_SSL_MINOR_VERSION_2:MBEDTLS_SSL_MINOR_VERSION_2:MBEDTLS_SSL_MINOR_VERSION_2
DTLS Handshake, tls1_2
depends_on:MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_SSL_PROTO_DTLS
handshake_version:MBEDTLS_SSL_MINOR_VERSION_3:1
handshake_version:1:MBEDTLS_SSL_MINOR_VERSION_3:MBEDTLS_SSL_MINOR_VERSION_3:MBEDTLS_SSL_MINOR_VERSION_3:MBEDTLS_SSL_MINOR_VERSION_3:MBEDTLS_SSL_MINOR_VERSION_3
DTLS Handshake, ECDHE-RSA-WITH-AES-256-GCM-SHA384
depends_on:MBEDTLS_SHA512_C:!MBEDTLS_SHA512_NO_SHA384:MBEDTLS_AES_C:MBEDTLS_GCM_C:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED:MBEDTLS_SSL_PROTO_DTLS
@ -281,6 +281,38 @@ handshake_fragmentation:MBEDTLS_SSL_MAX_FRAG_LEN_512:1:1
DTLS Handshake fragmentation, MFL=1024
handshake_fragmentation:MBEDTLS_SSL_MAX_FRAG_LEN_1024:0:1
Handshake min/max version check, all -> 1.2
depends_on:MBEDTLS_SSL_PROTO_TLS1_2
handshake_version:0:TEST_SSL_MINOR_VERSION_NONE:TEST_SSL_MINOR_VERSION_NONE:TEST_SSL_MINOR_VERSION_NONE:TEST_SSL_MINOR_VERSION_NONE:MBEDTLS_SSL_MINOR_VERSION_3
Handshake min/max version check, cli max 1.1 -> 1.1
depends_on:MBEDTLS_SSL_PROTO_TLS1_1:MBEDTLS_CIPHER_MODE_CBC
handshake_version:0:TEST_SSL_MINOR_VERSION_NONE:MBEDTLS_SSL_MINOR_VERSION_1:TEST_SSL_MINOR_VERSION_NONE:TEST_SSL_MINOR_VERSION_NONE:MBEDTLS_SSL_MINOR_VERSION_1
Handshake min/max version check, srv max 1.1 -> 1.1
depends_on:MBEDTLS_SSL_PROTO_TLS1_1:MBEDTLS_CIPHER_MODE_CBC
handshake_version:0:TEST_SSL_MINOR_VERSION_NONE:TEST_SSL_MINOR_VERSION_NONE:TEST_SSL_MINOR_VERSION_NONE:MBEDTLS_SSL_MINOR_VERSION_1:MBEDTLS_SSL_MINOR_VERSION_1
Handshake min/max version check, cli+srv max 1.1 -> 1.1
depends_on:MBEDTLS_SSL_PROTO_TLS1_1:MBEDTLS_CIPHER_MODE_CBC
handshake_version:0:TEST_SSL_MINOR_VERSION_NONE:MBEDTLS_SSL_MINOR_VERSION_1:TEST_SSL_MINOR_VERSION_NONE:MBEDTLS_SSL_MINOR_VERSION_1:MBEDTLS_SSL_MINOR_VERSION_1
Handshake min/max version check, cli max 1.1, srv min 1.1 -> 1.1
depends_on:MBEDTLS_SSL_PROTO_TLS1_1:MBEDTLS_CIPHER_MODE_CBC
handshake_version:0:TEST_SSL_MINOR_VERSION_NONE:MBEDTLS_SSL_MINOR_VERSION_1:MBEDTLS_SSL_MINOR_VERSION_1:TEST_SSL_MINOR_VERSION_NONE:MBEDTLS_SSL_MINOR_VERSION_1
Handshake min/max version check, cli min 1.1, srv max 1.1 -> 1.1
depends_on:MBEDTLS_SSL_PROTO_TLS1_1:MBEDTLS_CIPHER_MODE_CBC
handshake_version:0:MBEDTLS_SSL_MINOR_VERSION_1:TEST_SSL_MINOR_VERSION_NONE:TEST_SSL_MINOR_VERSION_NONE:MBEDTLS_SSL_MINOR_VERSION_1:MBEDTLS_SSL_MINOR_VERSION_1
Handshake min/max version check, cli min 1.2, srv max 1.1 -> fail
depends_on:MBEDTLS_SSL_PROTO_TLS1_1:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_SSL_PROTO_TLS1_2
handshake_version:0:MBEDTLS_SSL_MINOR_VERSION_2:TEST_SSL_MINOR_VERSION_NONE:TEST_SSL_MINOR_VERSION_NONE:MBEDTLS_SSL_MINOR_VERSION_1:TEST_SSL_MINOR_VERSION_NONE
Handshake min/max version check, srv min 1.2, cli max 1.1 -> fail
depends_on:MBEDTLS_SSL_PROTO_TLS1_1:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_SSL_PROTO_TLS1_2
handshake_version:0:TEST_SSL_MINOR_VERSION_NONE:MBEDTLS_SSL_MINOR_VERSION_1:MBEDTLS_SSL_MINOR_VERSION_2:TEST_SSL_MINOR_VERSION_NONE:TEST_SSL_MINOR_VERSION_NONE
Sending app data via TLS, MFL=512 without fragmentation
depends_on:MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
app_data_tls:MBEDTLS_SSL_MAX_FRAG_LEN_512:400:512:1:1

87
tests/suites/test_suite_ssl.function
View File

@ -36,10 +36,17 @@ void log_analyzer( void *ctx, int level,
}
}
/* Invalid minor version used when not specifying a min/max version or expecting a test to fail */
#define TEST_SSL_MINOR_VERSION_NONE -1
typedef struct handshake_test_options
{
const char *cipher;
int version;
int client_min_version;
int client_max_version;
int server_min_version;
int server_max_version;
int expected_negotiated_version;
int pk_alg;
data_t *psk_str;
int dtls;
@ -62,7 +69,11 @@ typedef struct handshake_test_options
void init_handshake_options( handshake_test_options *opts )
{
opts->cipher = "";
opts->version = MBEDTLS_SSL_MINOR_VERSION_3;
opts->client_min_version = TEST_SSL_MINOR_VERSION_NONE;
opts->client_max_version = TEST_SSL_MINOR_VERSION_NONE;
opts->server_min_version = TEST_SSL_MINOR_VERSION_NONE;
opts->server_max_version = TEST_SSL_MINOR_VERSION_NONE;
opts->expected_negotiated_version = MBEDTLS_SSL_MINOR_VERSION_3;
opts->pk_alg = MBEDTLS_PK_RSA;
opts->psk_str = NULL;
opts->dtls = 0;
@ -1671,7 +1682,7 @@ void perform_handshake( handshake_test_options* options )
#if defined(MBEDTLS_SSL_RENEGOTIATION)
int ret = -1;
#endif
int expected_handshake_result = 0;
mbedtls_test_message_queue server_queue, client_queue;
mbedtls_test_message_socket_context server_context, client_context;
@ -1697,10 +1708,18 @@ void perform_handshake( handshake_test_options* options )
options->pk_alg, NULL, NULL,
NULL ) == 0 );
}
mbedtls_ssl_conf_min_version( &client.conf, MBEDTLS_SSL_MAJOR_VERSION_3,
options->version );
mbedtls_ssl_conf_max_version( &client.conf, MBEDTLS_SSL_MAJOR_VERSION_3,
options->version );
if( options->client_min_version != TEST_SSL_MINOR_VERSION_NONE )
{
mbedtls_ssl_conf_min_version( &client.conf, MBEDTLS_SSL_MAJOR_VERSION_3,
options->client_min_version );
}
if( options->client_max_version != TEST_SSL_MINOR_VERSION_NONE )
{
mbedtls_ssl_conf_max_version( &client.conf, MBEDTLS_SSL_MAJOR_VERSION_3,
options->client_max_version );
}
if( strlen( options->cipher ) > 0 )
{
@ -1737,8 +1756,18 @@ void perform_handshake( handshake_test_options* options )
mbedtls_ssl_conf_authmode( &server.conf, options->srv_auth_mode );
mbedtls_ssl_conf_min_version( &server.conf, MBEDTLS_SSL_MAJOR_VERSION_3,
options->version );
if( options->server_min_version != TEST_SSL_MINOR_VERSION_NONE )
{
mbedtls_ssl_conf_min_version( &server.conf, MBEDTLS_SSL_MAJOR_VERSION_3,
options->server_min_version );
}
if( options->server_max_version != TEST_SSL_MINOR_VERSION_NONE )
{
mbedtls_ssl_conf_max_version( &server.conf, MBEDTLS_SSL_MAJOR_VERSION_3,
options->server_max_version );
}
#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
TEST_ASSERT( mbedtls_ssl_conf_max_frag_len( &(server.conf),
(unsigned char) options->mfl ) == 0 );
@ -1803,18 +1832,36 @@ void perform_handshake( handshake_test_options* options )
}
#endif
if( options->expected_negotiated_version == TEST_SSL_MINOR_VERSION_NONE )
{
expected_handshake_result = MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION;
}
TEST_ASSERT( mbedtls_move_handshake_to_state( &(client.ssl),
&(server.ssl),
MBEDTLS_SSL_HANDSHAKE_OVER )
== 0 );
== expected_handshake_result );
if( expected_handshake_result != 0 )
{
/* Connection will have failed by this point, skip to cleanup */
goto exit;
}
TEST_ASSERT( client.ssl.state == MBEDTLS_SSL_HANDSHAKE_OVER );
TEST_ASSERT( server.ssl.state == MBEDTLS_SSL_HANDSHAKE_OVER );
/* Check that we agree on the version... */
TEST_ASSERT( client.ssl.minor_ver == server.ssl.minor_ver );
/* And check that the version negotiated is the expected one. */
TEST_EQUAL( client.ssl.minor_ver, options->expected_negotiated_version );
#if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
if( options->resize_buffers != 0 )
{
if( options->version != MBEDTLS_SSL_MINOR_VERSION_0 &&
options->version != MBEDTLS_SSL_MINOR_VERSION_1 )
if( options->expected_negotiated_version != MBEDTLS_SSL_MINOR_VERSION_0 &&
options->expected_negotiated_version != MBEDTLS_SSL_MINOR_VERSION_1 )
{
/* A server, when using DTLS, might delay a buffer resize to happen
* after it receives a message, so we force it. */
@ -3791,17 +3838,25 @@ exit:
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_ECP_DP_SECP384R1_ENABLED:MBEDTLS_ENTROPY_C:MBEDTLS_CTR_DRBG_C */
void handshake_version( int version, int dtls )
void handshake_version( int dtls, int client_min_version, int client_max_version,
int server_min_version, int server_max_version,
int expected_negotiated_version )
{
handshake_test_options options;
init_handshake_options( &options );
options.version = version;
options.client_min_version = client_min_version;
options.client_max_version = client_max_version;
options.server_min_version = server_min_version;
options.server_max_version = server_max_version;
options.expected_negotiated_version = expected_negotiated_version;
options.dtls = dtls;
/* By default, SSLv3.0 and TLSv1.0 use 1/n-1 splitting when sending data, so
* the number of fragments will be twice as big. */
if( version == MBEDTLS_SSL_MINOR_VERSION_0 ||
version == MBEDTLS_SSL_MINOR_VERSION_1 )
if( expected_negotiated_version == MBEDTLS_SSL_MINOR_VERSION_0 ||
expected_negotiated_version == MBEDTLS_SSL_MINOR_VERSION_1 )
{
options.expected_cli_fragments = 2;
options.expected_srv_fragments = 2;