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Test that a thread blocking in SSL_read_ex() will wake up on FIN 

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21780)
This commit is contained in:
Matt Caswell 2023-08-18 16:30:46 +01:00 committed by Tomas Mraz
parent 72622c0b96
commit 0fa6612ed6
1 changed files with 78 additions and 0 deletions
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78
test/quicapitest.c
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@ -195,6 +195,83 @@ static int test_quic_write_read(int idx)
return ret;
}
/*
* Test that sending FIN with no data to a client blocking in SSL_read_ex() will
* wake up the client.
*/
static int test_fin_only_blocking(void)
{
SSL_CTX *cctx = SSL_CTX_new_ex(libctx, NULL, OSSL_QUIC_client_method());
SSL_CTX *sctx = NULL;
SSL *clientquic = NULL;
QUIC_TSERVER *qtserv = NULL;
const char *msg = "Hello World";
uint64_t sid;
size_t numbytes;
unsigned char buf[32];
int ret = 0;
OSSL_TIME timer, timediff;
if (!qtest_supports_blocking())
return TEST_skip("Blocking tests not supported in this build");
if (!TEST_ptr(cctx)
|| !TEST_true(qtest_create_quic_objects(libctx, cctx, sctx,
cert, privkey,
QTEST_FLAG_BLOCK,
&qtserv, &clientquic,
NULL))
|| !TEST_true(SSL_set_tlsext_host_name(clientquic, "localhost")))
goto end;
if (!TEST_true(qtest_create_quic_connection(qtserv, clientquic)))
goto end;
if (!TEST_true(ossl_quic_tserver_stream_new(qtserv, 0, &sid))
|| !TEST_true(ossl_quic_tserver_write(qtserv, sid,
(unsigned char *)msg,
strlen(msg), &numbytes))
|| !TEST_size_t_eq(strlen(msg), numbytes))
goto end;
ossl_quic_tserver_tick(qtserv);
if (!TEST_true(SSL_read_ex(clientquic, buf, sizeof(buf), &numbytes))
|| !TEST_mem_eq(msg, strlen(msg), buf, numbytes))
goto end;
if (!TEST_true(ossl_quic_tserver_conclude(qtserv, sid)))
goto end;
timer = ossl_time_now();
if (!TEST_false(SSL_read_ex(clientquic, buf, sizeof(buf), &numbytes)))
goto end;
timediff = ossl_time_subtract(ossl_time_now(), timer);
if (!TEST_int_eq(SSL_get_error(clientquic, 0), SSL_ERROR_ZERO_RETURN)
/*
* We expect the SSL_read_ex to not have blocked so this should
* be very fast. 20ms should be plenty.
*/
|| !TEST_uint64_t_le(ossl_time2ms(timediff), 20))
goto end;
if (!TEST_true(qtest_shutdown(qtserv, clientquic)))
goto end;
ret = 1;
end:
ossl_quic_tserver_free(qtserv);
SSL_free(clientquic);
SSL_CTX_free(cctx);
SSL_CTX_free(sctx);
return ret;
}
/* Test that a vanilla QUIC SSL object has the expected ciphersuites available */
static int test_ciphersuites(void)
{
@ -912,6 +989,7 @@ int setup_tests(void)
goto err;
ADD_ALL_TESTS(test_quic_write_read, 3);
ADD_TEST(test_fin_only_blocking);
ADD_TEST(test_ciphersuites);
ADD_TEST(test_version);
#if defined(DO_SSL_TRACE_TEST)