testutil/load.c: Add checks for file(name) == NULL
@@ -20,7 +20,7 @@ X509 *load_cert_pem(const char *file, OSSL_LIB_CTX *libctx)
X509 *cert = NULL;
BIO *bio = NULL;
- if (!TEST_ptr(bio = BIO_new(BIO_s_file())))
+ if (!TEST_ptr(file) || !TEST_ptr(bio = BIO_new(BIO_s_file())))
return NULL;
if (TEST_int_gt(BIO_read_filename(bio, file), 0)
&& TEST_ptr(cert = X509_new_ex(libctx, NULL)))
@@ -30,17 +30,14 @@ X509 *load_cert_pem(const char *file, OSSL_LIB_CTX *libctx)
return cert;
}
-STACK_OF(X509) *load_certs_pem(const char *filename)
+STACK_OF(X509) *load_certs_pem(const char *file)
{
STACK_OF(X509) *certs;
BIO *bio;
X509 *x;
- bio = BIO_new_file(filename, "r");
-
- if (bio == NULL) {
+ if (!TEST_ptr(file) || (bio = BIO_new_file(file, "r")) == NULL)
return NULL;
- }
certs = sk_X509_new_null();
if (certs == NULL) {
@@ -74,7 +71,7 @@ EVP_PKEY *load_pkey_pem(const char *file, OSSL_LIB_CTX *libctx)
EVP_PKEY *key = NULL;
BIO *bio = NULL;
- if (!TEST_ptr(bio = BIO_new(BIO_s_file())))
+ if (!TEST_ptr(file) || !TEST_ptr(bio = BIO_new(BIO_s_file())))
return NULL;
if (TEST_int_gt(BIO_read_filename(bio, file), 0))
(void)TEST_ptr(key = PEM_read_bio_PrivateKey_ex(bio, NULL, NULL, NULL,
