testutil: Make SETUP_TEST_FIXTURE return 0 on fixture == NULL

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/11808)

test/cipherlist_test.c

diff --git a/test/cipherlist_test.c b/test/cipherlist_test.c
index f850d7b..0f337b4 100644
--- a/test/cipherlist_test.c
+++ b/test/cipherlist_test.c
@@ -199,8 +199,6 @@
 static int test_default_cipherlist_implicit(void)
 {
     SETUP_CIPHERLIST_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
     EXECUTE_CIPHERLIST_TEST();
     return result;
 }
@@ -208,8 +206,6 @@
 static int test_default_cipherlist_explicit(void)
 {
     SETUP_CIPHERLIST_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
     if (!TEST_true(SSL_CTX_set_cipher_list(fixture->server, "DEFAULT"))
             || !TEST_true(SSL_CTX_set_cipher_list(fixture->client, "DEFAULT")))
         tear_down(fixture);
@@ -220,11 +216,8 @@
 /* SSL_CTX_set_cipher_list() should fail if it clears all TLSv1.2 ciphers. */
 static int test_default_cipherlist_clear(void)
 {
-    SETUP_CIPHERLIST_TEST_FIXTURE();
     SSL *s = NULL;
-
-    if (fixture == NULL)
-        return 0;
+    SETUP_CIPHERLIST_TEST_FIXTURE();
 
     if (!TEST_int_eq(SSL_CTX_set_cipher_list(fixture->server, "no-such"), 0))
         goto end;

test/cmp_hdr_test.c

diff --git a/test/cmp_hdr_test.c b/test/cmp_hdr_test.c
index cd30c49..24299ab 100644
--- a/test/cmp_hdr_test.c
+++ b/test/cmp_hdr_test.c
@@ -402,9 +402,10 @@
 
 static int test_HDR_init_with_ref(void)
 {
-    SETUP_TEST_FIXTURE(CMP_HDR_TEST_FIXTURE, set_up);
     unsigned char ref[CMP_TEST_REFVALUE_LENGTH];
 
+    SETUP_TEST_FIXTURE(CMP_HDR_TEST_FIXTURE, set_up);
+
     fixture->expected = 1;
     if (!TEST_int_eq(1, RAND_bytes(ref, sizeof(ref)))
             || !TEST_true(OSSL_CMP_CTX_set1_referenceValue(fixture->cmp_ctx,
@@ -418,9 +419,9 @@
 
 static int test_HDR_init_with_subject(void)
 {
-    SETUP_TEST_FIXTURE(CMP_HDR_TEST_FIXTURE, set_up);
     X509_NAME *subject = NULL;
 
+    SETUP_TEST_FIXTURE(CMP_HDR_TEST_FIXTURE, set_up);
     fixture->expected = 1;
     if (!TEST_ptr(subject = X509_NAME_new())
             || !TEST_true(X509_NAME_ADD(subject, "CN", "Common Name"))

test/cmp_msg_test.c

diff --git a/test/cmp_msg_test.c b/test/cmp_msg_test.c
index 92989f9..ca2a651 100644
--- a/test/cmp_msg_test.c
+++ b/test/cmp_msg_test.c
@@ -137,10 +137,12 @@
 
 static int test_cmp_create_ir_protection_set(void)
 {
-    SETUP_TEST_FIXTURE(CMP_MSG_TEST_FIXTURE, set_up);
-    OSSL_CMP_CTX *ctx = fixture->cmp_ctx;
+    OSSL_CMP_CTX *ctx;
     unsigned char secret[16];
 
+    SETUP_TEST_FIXTURE(CMP_MSG_TEST_FIXTURE, set_up);
+
+    ctx = fixture->cmp_ctx;
     fixture->bodytype = OSSL_CMP_PKIBODY_IR;
     fixture->err_code = -1;
     fixture->expected = 1;
@@ -213,10 +215,11 @@
 
 static int test_cmp_create_p10cr(void)
 {
-    SETUP_TEST_FIXTURE(CMP_MSG_TEST_FIXTURE, set_up);
-    OSSL_CMP_CTX *ctx = fixture->cmp_ctx;
+    OSSL_CMP_CTX *ctx;
     X509_REQ *p10cr = NULL;
 
+    SETUP_TEST_FIXTURE(CMP_MSG_TEST_FIXTURE, set_up);
+    ctx = fixture->cmp_ctx;
     fixture->bodytype = OSSL_CMP_PKIBODY_P10CR;
     fixture->err_code = CMP_R_ERROR_CREATING_CERTREQ;
     fixture->expected = 1;

test/cmp_protect_test.c

diff --git a/test/cmp_protect_test.c b/test/cmp_protect_test.c
index 1d1e009..eed850e 100644
--- a/test/cmp_protect_test.c
+++ b/test/cmp_protect_test.c
@@ -252,9 +252,10 @@
 
 static int test_MSG_protect_certificate_based_without_cert(void)
 {
-    SETUP_TEST_FIXTURE(CMP_PROTECT_TEST_FIXTURE, set_up);
-    OSSL_CMP_CTX *ctx = fixture->cmp_ctx;
+    OSSL_CMP_CTX *ctx;
 
+    SETUP_TEST_FIXTURE(CMP_PROTECT_TEST_FIXTURE, set_up);
+    ctx = fixture->cmp_ctx;
     fixture->expected = 0;
     if (!TEST_ptr(fixture->msg =
                   OSSL_CMP_MSG_dup(ir_unprotected))

test/cmp_vfy_test.c

diff --git a/test/cmp_vfy_test.c b/test/cmp_vfy_test.c
index fcecca2..4c705f6 100644
--- a/test/cmp_vfy_test.c
+++ b/test/cmp_vfy_test.c
@@ -140,13 +140,14 @@
 
 static int test_validate_msg_mac_alg_protection(void)
 {
-    SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
     /* secret value belonging to cmp-test/CMP_IP_waitingStatus_PBM.der */
     const unsigned char sec_1[] = {
         '9', 'p', 'p', '8', '-', 'b', '3', '5', 'i', '-', 'X', 'd', '3',
         'Q', '-', 'u', 'd', 'N', 'R'
     };
 
+    SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
+
     fixture->expected = 1;
     if (!TEST_true(OSSL_CMP_CTX_set1_secretValue(fixture->cmp_ctx, sec_1,
                                                  sizeof(sec_1)))
@@ -161,11 +162,12 @@
 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 static int test_validate_msg_mac_alg_protection_bad(void)
 {
-    SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
     const unsigned char sec_bad[] = {
         '9', 'p', 'p', '8', '-', 'b', '3', '5', 'i', '-', 'X', 'd', '3',
         'Q', '-', 'u', 'd', 'N', 'r'
     };
+
+    SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
     fixture->expected = 0;
 
     if (!TEST_true(OSSL_CMP_CTX_set1_secretValue(fixture->cmp_ctx, sec_bad,
@@ -192,9 +194,11 @@
 
 static int test_validate_msg_signature_partial_chain(int expired)
 {
-    SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
-    X509_STORE *ts = OSSL_CMP_CTX_get0_trustedStore(fixture->cmp_ctx);
+    X509_STORE *ts;
 
+    SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
+
+    ts = OSSL_CMP_CTX_get0_trustedStore(fixture->cmp_ctx);
     fixture->expected = !expired;
     if (ts == NULL
             || !TEST_ptr(fixture->msg = load_pkimsg(ir_protected_f))

test/ct_test.c

diff --git a/test/ct_test.c b/test/ct_test.c
index 79ffcbf..2e161a7 100644
--- a/test/ct_test.c
+++ b/test/ct_test.c
@@ -338,8 +338,6 @@
 static int test_no_scts_in_certificate(void)
 {
     SETUP_CT_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
     fixture->certs_dir = certs_dir;
     fixture->certificate_file = "leaf.pem";
     fixture->issuer_file = "subinterCA.pem";
@@ -351,8 +349,6 @@
 static int test_one_sct_in_certificate(void)
 {
     SETUP_CT_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
     fixture->certs_dir = certs_dir;
     fixture->certificate_file = "embeddedSCTs1.pem";
     fixture->issuer_file = "embeddedSCTs1_issuer.pem";
@@ -366,8 +362,6 @@
 static int test_multiple_scts_in_certificate(void)
 {
     SETUP_CT_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
     fixture->certs_dir = certs_dir;
     fixture->certificate_file = "embeddedSCTs3.pem";
     fixture->issuer_file = "embeddedSCTs3_issuer.pem";
@@ -381,8 +375,6 @@
 static int test_verify_one_sct(void)
 {
     SETUP_CT_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
     fixture->certs_dir = certs_dir;
     fixture->certificate_file = "embeddedSCTs1.pem";
     fixture->issuer_file = "embeddedSCTs1_issuer.pem";
@@ -395,8 +387,6 @@
 static int test_verify_multiple_scts(void)
 {
     SETUP_CT_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
     fixture->certs_dir = certs_dir;
     fixture->certificate_file = "embeddedSCTs3.pem";
     fixture->issuer_file = "embeddedSCTs3_issuer.pem";
@@ -409,8 +399,6 @@
 static int test_verify_fails_for_future_sct(void)
 {
     SETUP_CT_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
     fixture->epoch_time_in_ms = 1365094800000ULL; /* Apr 4 17:00:00 2013 GMT */
     fixture->certs_dir = certs_dir;
     fixture->certificate_file = "embeddedSCTs1.pem";
@@ -443,8 +431,6 @@
         "\xED\xBF\x08";
 
     SETUP_CT_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
     fixture->tls_sct_list = tls_sct_list;
     fixture->tls_sct_list_len = 0x7a;
     fixture->sct_dir = ct_dir;
@@ -463,8 +449,6 @@
     SCT *sct = NULL;
 
     SETUP_CT_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
 
     fixture->sct_list = sk_SCT_new_null();
     if (!TEST_ptr(sct = SCT_new_from_base64(SCT_VERSION_V1, log_id,

test/ssl_test_ctx_test.c

diff --git a/test/ssl_test_ctx_test.c b/test/ssl_test_ctx_test.c
index 16ce32a..91f4180 100644
--- a/test/ssl_test_ctx_test.c
+++ b/test/ssl_test_ctx_test.c
@@ -151,8 +151,6 @@
 static int test_empty_configuration(void)
 {
     SETUP_SSL_TEST_CTX_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
     fixture->test_section = "ssltest_default";
     fixture->expected_ctx->expected_result = SSL_TEST_SUCCESS;
     EXECUTE_SSL_TEST_CTX_TEST();
@@ -162,8 +160,6 @@
 static int test_good_configuration(void)
 {
     SETUP_SSL_TEST_CTX_TEST_FIXTURE();
-    if (fixture == NULL)
-        return 0;
     fixture->test_section = "ssltest_good";
     fixture->expected_ctx->method = SSL_TEST_METHOD_DTLS;
     fixture->expected_ctx->handshake_mode = SSL_TEST_HANDSHAKE_RESUME;

test/testutil.h

diff --git a/test/testutil.h b/test/testutil.h
index 88a3cbc..c5c284a 100644
--- a/test/testutil.h
+++ b/test/testutil.h
@@ -67,6 +67,7 @@
  * object called "fixture". It will also allocate the "result" variable used
  * by EXECUTE_TEST. set_up() should take a const char* specifying the test
  * case name and return a TEST_FIXTURE_TYPE by reference.
+ * If case set_up() fails then 0 is returned.
  *
  * EXECUTE_TEST will pass fixture to execute_func() by reference, call
  * tear_down(), and return the result of execute_func(). execute_func() should
@@ -94,7 +95,11 @@
  */
 # define SETUP_TEST_FIXTURE(TEST_FIXTURE_TYPE, set_up)\
     TEST_FIXTURE_TYPE *fixture = set_up(TEST_CASE_NAME); \
-    int result = 0
+    int result = 0; \
+\
+    if (fixture == NULL) \
+        return 0
+
 
 # define EXECUTE_TEST(execute_func, tear_down)\
     if (fixture != NULL) {\