TEST: move cert, key, and CSR loading aux functions to new testutil/load.c

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/13762)

1 files changed, 97 insertions, 0 deletions

diff --git a/test/testutil/load.c b/test/testutil/load.c
new file mode 100644
index 0000000000..9b188eb8a6
--- /dev/null
+++ b/test/testutil/load.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+
+#include "../testutil.h"
+
+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())))
+        return NULL;
+    if (TEST_int_gt(BIO_read_filename(bio, file), 0)
+            && TEST_ptr(cert = X509_new_ex(libctx, NULL)))
+        (void)TEST_ptr(cert = PEM_read_bio_X509(bio, &cert, NULL, NULL));
+
+    BIO_free(bio);
+    return cert;
+}
+
+STACK_OF(X509) *load_certs_pem(const char *filename)
+{
+    STACK_OF(X509) *certs;
+    BIO *bio;
+    X509 *x;
+
+    bio = BIO_new_file(filename, "r");
+
+    if (bio == NULL) {
+        return NULL;
+    }
+
+    certs = sk_X509_new_null();
+    if (certs == NULL) {
+        BIO_free(bio);
+        return NULL;
+    }
+
+    ERR_set_mark();
+    do {
+        x = PEM_read_bio_X509(bio, NULL, 0, NULL);
+        if (x != NULL && !sk_X509_push(certs, x)) {
+            sk_X509_pop_free(certs, X509_free);
+            BIO_free(bio);
+            return NULL;
+        } else if (x == NULL) {
+            /*
+             * We probably just ran out of certs, so ignore any errors
+             * generated
+             */
+            ERR_pop_to_mark();
+        }
+    } while (x != NULL);
+
+    BIO_free(bio);
+
+    return certs;
+}
+
+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())))
+        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,
+                                                        libctx, NULL));
+
+    BIO_free(bio);
+    return key;
+}
+
+X509_REQ *load_csr_der(const char *file)
+{
+    X509_REQ *csr = NULL;
+    BIO *bio = NULL;
+
+    if (!TEST_ptr(file) || !TEST_ptr(bio = BIO_new_file(file, "rb")))
+        return NULL;
+    (void)TEST_ptr(csr = d2i_X509_REQ_bio(bio, NULL));
+    BIO_free(bio);
+    return csr;
+}