TEST: Add test to exercise OPENSSL_CTX_set0_default()
#include "testutil.h"
#include "internal/nelem.h"
-static OPENSSL_CTX *libctx = NULL;
+static OPENSSL_CTX *mainctx = NULL;
static OSSL_PROVIDER *nullprov = NULL;
/*
@@ -198,7 +198,7 @@ static int test_d2i_AutoPrivateKey_ex(int i)
int expected_id = ak->evptype;
p = input;
- if (!TEST_ptr(pkey = d2i_AutoPrivateKey_ex(NULL, &p, input_len, libctx,
+ if (!TEST_ptr(pkey = d2i_AutoPrivateKey_ex(NULL, &p, input_len, mainctx,
NULL))
|| !TEST_ptr_eq(p, input + input_len)
|| !TEST_int_eq(EVP_PKEY_id(pkey), expected_id))
@@ -211,20 +211,58 @@ static int test_d2i_AutoPrivateKey_ex(int i)
return ret;
}
+static int test_alternative_default(void)
+{
+ OPENSSL_CTX *oldctx;
+ EVP_MD *sha256;
+ int ok = 0;
+
+ /*
+ * setup_tests() loaded the "null" provider in the current default, so
+ * we know this fetch should fail.
+ */
+ if (!TEST_ptr_null(sha256 = EVP_MD_fetch(NULL, "SHA2-256", NULL)))
+ goto err;
+
+ /*
+ * Now we switch to our main library context, and try again. Since no
+ * providers are loaded in this one, it should fall back to the default.
+ */
+ if (!TEST_ptr(oldctx = OPENSSL_CTX_set0_default(mainctx))
+ || !TEST_ptr(sha256 = EVP_MD_fetch(NULL, "SHA2-256", NULL)))
+ goto err;
+ EVP_MD_free(sha256);
+ sha256 = NULL;
+
+ /*
+ * Switching back should give us our main library context back, and
+ * fetching SHA2-256 should fail again.
+ */
+ if (!TEST_ptr_eq(OPENSSL_CTX_set0_default(oldctx), mainctx)
+ || !TEST_ptr_null(sha256 = EVP_MD_fetch(NULL, "SHA2-256", NULL)))
+ goto err;
+
+ ok = 1;
+ err:
+ EVP_MD_free(sha256);
+ return ok;
+}
+
int setup_tests(void)
{
- libctx = OPENSSL_CTX_new();
+ mainctx = OPENSSL_CTX_new();
- if (!TEST_ptr(libctx))
+ if (!TEST_ptr(mainctx))
return 0;
nullprov = OSSL_PROVIDER_load(NULL, "null");
if (!TEST_ptr(nullprov)) {
- OPENSSL_CTX_free(libctx);
- libctx = NULL;
+ OPENSSL_CTX_free(mainctx);
+ mainctx = NULL;
return 0;
}
+ ADD_TEST(test_alternative_default);
ADD_ALL_TESTS(test_d2i_AutoPrivateKey_ex, OSSL_NELEM(keydata));
return 1;
@@ -232,6 +270,6 @@ int setup_tests(void)
void cleanup_tests(void)
{
- OPENSSL_CTX_free(libctx);
+ OPENSSL_CTX_free(mainctx);
OSSL_PROVIDER_unload(nullprov);
}
