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tests: srv max early data size: Add reach_max test arg

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Add the reach_max flag argument for the
test13_srv_max_early_data_size test
function. Non zero value only valid in case
of TEST_EARLY_DATA_ACCEPTED scenario.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2024-02-26 15:02:26 +01:00
parent 01d273d31f
commit dc81b7343f
2 changed files with 48 additions and 16 deletions
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27
tests/suites/test_suite_ssl.data
View File

@ -3311,28 +3311,37 @@ TLS 1.3 write early data, hello retry request
tls13_write_early_data:TEST_EARLY_DATA_HRR
TLS 1.3 srv, max early data size, default
tls13_srv_max_early_data_size:TEST_EARLY_DATA_ACCEPTED:-1
tls13_srv_max_early_data_size:TEST_EARLY_DATA_ACCEPTED:-1:0
TLS 1.3 srv, max early data size, default, reach max
tls13_srv_max_early_data_size:TEST_EARLY_DATA_ACCEPTED:-1:1
TLS 1.3 srv, max early data size, max=3 (small but !0)
tls13_srv_max_early_data_size:TEST_EARLY_DATA_ACCEPTED:3
tls13_srv_max_early_data_size:TEST_EARLY_DATA_ACCEPTED:3:0
TLS 1.3 srv, max early data size, max=3 (small but !0), reach max
tls13_srv_max_early_data_size:TEST_EARLY_DATA_ACCEPTED:3:1
TLS 1.3 srv, max early data size, max=97
tls13_srv_max_early_data_size:TEST_EARLY_DATA_ACCEPTED:97
tls13_srv_max_early_data_size:TEST_EARLY_DATA_ACCEPTED:97:0
TLS 1.3 srv, max early data size, max=97, reach max
tls13_srv_max_early_data_size:TEST_EARLY_DATA_ACCEPTED:97:1
TLS 1.3 srv, max early data size, server rejects, default
tls13_srv_max_early_data_size:TEST_EARLY_DATA_SERVER_REJECTS:-1
tls13_srv_max_early_data_size:TEST_EARLY_DATA_SERVER_REJECTS:-1:0
TLS 1.3 srv, max early data size, server rejects, max=3 (very small)
tls13_srv_max_early_data_size:TEST_EARLY_DATA_SERVER_REJECTS:3
tls13_srv_max_early_data_size:TEST_EARLY_DATA_SERVER_REJECTS:3:0
TLS 1.3 srv, max early data size, server rejects, max=97
tls13_srv_max_early_data_size:TEST_EARLY_DATA_SERVER_REJECTS:97
tls13_srv_max_early_data_size:TEST_EARLY_DATA_SERVER_REJECTS:97:0
TLS 1.3 srv, max early data size, HRR, default
tls13_srv_max_early_data_size:TEST_EARLY_DATA_HRR:-1
tls13_srv_max_early_data_size:TEST_EARLY_DATA_HRR:-1:0
TLS 1.3 srv, max early data size, HRR, max=3 (very small)
tls13_srv_max_early_data_size:TEST_EARLY_DATA_HRR:3
tls13_srv_max_early_data_size:TEST_EARLY_DATA_HRR:3:0
TLS 1.3 srv, max early data size, HRR, max=97
tls13_srv_max_early_data_size:TEST_EARLY_DATA_HRR:97
tls13_srv_max_early_data_size:TEST_EARLY_DATA_HRR:97:0

37
tests/suites/test_suite_ssl.function
View File

@ -4455,7 +4455,7 @@ exit:
* an issue with mbedtls_vsnprintf().
*/
/* BEGIN_CASE depends_on:!MBEDTLS_SSL_PROTO_TLS1_2:MBEDTLS_SSL_EARLY_DATA:MBEDTLS_SSL_CLI_C:MBEDTLS_SSL_SRV_C:MBEDTLS_DEBUG_C:MBEDTLS_TEST_AT_LEAST_ONE_TLS1_3_CIPHERSUITE:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED:MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED:MBEDTLS_MD_CAN_SHA256:MBEDTLS_ECP_HAVE_SECP256R1:MBEDTLS_ECP_HAVE_SECP384R1:MBEDTLS_PK_CAN_ECDSA_VERIFY:MBEDTLS_SSL_SESSION_TICKETS */
void tls13_srv_max_early_data_size(int scenario, int max_early_data_size_arg)
void tls13_srv_max_early_data_size(int scenario, int max_early_data_size_arg, int reach_max)
{
int ret = -1;
mbedtls_test_ssl_endpoint client_ep, server_ep;
@ -4470,7 +4470,7 @@ void tls13_srv_max_early_data_size(int scenario, int max_early_data_size_arg)
};
char pattern[128];
unsigned char buf_write[64];
size_t early_data_len = sizeof(buf_write);
size_t early_data_len;
uint32_t expended_early_data_len = 0;
uint32_t written_early_data_size = 0;
int write_early_data_flag = 1;
@ -4484,6 +4484,14 @@ void tls13_srv_max_early_data_size(int scenario, int max_early_data_size_arg)
PSA_INIT();
/*
* Reach maximum early data size exactly option only available in case of
* TEST_EARLY_DATA_ACCEPTED scenario.
*/
if (reach_max) {
TEST_EQUAL(scenario, TEST_EARLY_DATA_ACCEPTED);
}
/*
* Run first handshake to get a ticket from the server.
*/
@ -4577,10 +4585,24 @@ void tls13_srv_max_early_data_size(int scenario, int max_early_data_size_arg)
uint32_t remaining = max_early_data_size -
server_ep.ssl.early_data_count;
/* In case of accepted early data, reach max_early_data_size exactly. */
early_data_len = sizeof(buf_write);
/*
* Adjust the length of next data to write depending on the remaining
* number of early data bytes we are allowed to write and if we want
* to reach the maximum exactly or not.
*/
if (early_data_len >= remaining) {
early_data_len = remaining;
write_early_data_flag = 0;
if (reach_max) {
early_data_len = remaining;
write_early_data_flag = 0;
} else {
if (early_data_len == remaining) {
early_data_len /= 2;
} else {
early_data_len = remaining + 1;
break;
}
}
}
for (size_t i = 0; i < early_data_len; i++) {
@ -4643,8 +4665,9 @@ void tls13_srv_max_early_data_size(int scenario, int max_early_data_size_arg)
mbedtls_debug_set_threshold(3);
early_data_len = (scenario == TEST_EARLY_DATA_ACCEPTED) ?
1 : sizeof(buf_write);
if (reach_max) {
TEST_EQUAL(server_ep.ssl.early_data_count, max_early_data_size);
}
ret = write_early_data(&(client_ep.ssl), buf_write, early_data_len);
TEST_EQUAL(ret, early_data_len);