Test various deprecated PEM_read_bio_* APIs

Add tests for various deprecated PEM_read_bio_*() functions to ensure
they can still read the various files.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13329)

1 files changed, 213 insertions, 0 deletions

diff --git a/test/pem_read_depr_test.c b/test/pem_read_depr_test.c
new file mode 100644
index 0000000..7ef7f30
--- /dev/null
+++ b/test/pem_read_depr_test.c
@@ -0,0 +1,213 @@
+/*
+ * Copyright 2020 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
+ */
+
+/*
+ * This file tests deprecated APIs. Therefore we need to suppress deprecation
+ * warnings.
+ */
+#define OPENSSL_SUPPRESS_DEPRECATED
+
+#include <openssl/pem.h>
+#include <openssl/bio.h>
+
+#include "testutil.h"
+
+static const char *datadir;
+
+static BIO *getfile(const char *filename)
+{
+    char *paramsfile = test_mk_file_path(datadir, filename);
+    BIO *infile = NULL;
+
+    if (!TEST_ptr(paramsfile))
+        goto err;
+    infile = BIO_new_file(paramsfile, "r");
+
+ err:
+    OPENSSL_free(paramsfile);
+    return infile;
+}
+
+#ifndef OPENSSL_NO_DH
+static int test_read_dh_params(void)
+{
+    int testresult = 0;
+    BIO *infile = getfile("dhparams.pem");
+    DH *dh = NULL;
+
+    if (!TEST_ptr(infile))
+        goto err;
+
+    dh = PEM_read_bio_DHparams(infile, NULL, NULL, NULL);
+    if (!TEST_ptr(dh))
+        goto err;
+
+    testresult = 1;
+
+ err:
+    BIO_free(infile);
+    DH_free(dh);
+    return testresult;
+}
+
+static int test_read_dh_x942_params(void)
+{
+    int testresult = 0;
+    BIO *infile = getfile("x942params.pem");
+    DH *dh = NULL;
+
+    if (!TEST_ptr(infile))
+        goto err;
+
+    dh = PEM_read_bio_DHparams(infile, NULL, NULL, NULL);
+    if (!TEST_ptr(dh))
+        goto err;
+
+    testresult = 1;
+
+ err:
+    BIO_free(infile);
+    DH_free(dh);
+    return testresult;
+}
+#endif
+
+#ifndef OPENSSL_NO_DSA
+static int test_read_dsa_params(void)
+{
+    int testresult = 0;
+    BIO *infile = getfile("dsaparams.pem");
+    DSA *dsa = NULL;
+
+    if (!TEST_ptr(infile))
+        goto err;
+
+    dsa = PEM_read_bio_DSAparams(infile, NULL, NULL, NULL);
+    if (!TEST_ptr(dsa))
+        goto err;
+
+    testresult = 1;
+
+ err:
+    BIO_free(infile);
+    DSA_free(dsa);
+    return testresult;
+}
+
+static int test_read_dsa_private(void)
+{
+    int testresult = 0;
+    BIO *infile = getfile("dsaprivatekey.pem");
+    DSA *dsa = NULL;
+
+    if (!TEST_ptr(infile))
+        goto err;
+
+    dsa = PEM_read_bio_DSAPrivateKey(infile, NULL, NULL, NULL);
+    if (!TEST_ptr(dsa))
+        goto err;
+
+    testresult = 1;
+
+ err:
+    BIO_free(infile);
+    DSA_free(dsa);
+    return testresult;
+}
+
+static int test_read_dsa_public(void)
+{
+    int testresult = 0;
+    BIO *infile = getfile("dsapublickey.pem");
+    DSA *dsa = NULL;
+
+    if (!TEST_ptr(infile))
+        goto err;
+
+    dsa = PEM_read_bio_DSA_PUBKEY(infile, NULL, NULL, NULL);
+    if (!TEST_ptr(dsa))
+        goto err;
+
+    testresult = 1;
+
+ err:
+    BIO_free(infile);
+    DSA_free(dsa);
+    return testresult;
+}
+#endif
+
+static int test_read_rsa_private(void)
+{
+    int testresult = 0;
+    BIO *infile = getfile("rsaprivatekey.pem");
+    RSA *rsa = NULL;
+
+    if (!TEST_ptr(infile))
+        goto err;
+
+    rsa = PEM_read_bio_RSAPrivateKey(infile, NULL, NULL, NULL);
+    if (!TEST_ptr(rsa))
+        goto err;
+
+    testresult = 1;
+
+ err:
+    BIO_free(infile);
+    RSA_free(rsa);
+    return testresult;
+}
+
+static int test_read_rsa_public(void)
+{
+    int testresult = 0;
+    BIO *infile = getfile("rsapublickey.pem");
+    RSA *rsa = NULL;
+
+    if (!TEST_ptr(infile))
+        goto err;
+
+    rsa = PEM_read_bio_RSA_PUBKEY(infile, NULL, NULL, NULL);
+    if (!TEST_ptr(rsa))
+        goto err;
+
+    testresult = 1;
+
+ err:
+    BIO_free(infile);
+    RSA_free(rsa);
+    return testresult;
+}
+
+int setup_tests(void)
+{
+    if (!test_skip_common_options()) {
+        TEST_error("Error parsing test options\n");
+        return 0;
+    }
+
+    if (!TEST_ptr(datadir = test_get_argument(0))) {
+        TEST_error("Error getting data dir\n");
+        return 0;
+    }
+
+#ifndef OPENSSL_NO_DH
+    ADD_TEST(test_read_dh_params);
+    ADD_TEST(test_read_dh_x942_params);
+#endif
+#ifndef OPENSSL_NO_DSA
+    ADD_TEST(test_read_dsa_params);
+    ADD_TEST(test_read_dsa_private);
+    ADD_TEST(test_read_dsa_public);
+#endif
+    ADD_TEST(test_read_rsa_private);
+    ADD_TEST(test_read_rsa_public);
+
+    return 1;
+}