Tests for SSL_bytes_to_cipher_list()
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2279)
diff --git a/test/cipherbytes_test.c b/test/cipherbytes_test.c
new file mode 100644
index 0000000..9be42f7
--- /dev/null
+++ b/test/cipherbytes_test.c
@@ -0,0 +1,130 @@
+/*
+ * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL licenses, (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://www.openssl.org/source/license.html
+ * or in the file LICENSE in the source distribution.
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+#include <openssl/opensslconf.h>
+#include <openssl/err.h>
+#include <openssl/e_os2.h>
+#include <openssl/ssl.h>
+#include <openssl/ssl3.h>
+#include <openssl/tls1.h>
+
+#include "e_os.h"
+#include "test_main.h"
+#include "testutil.h"
+
+static int test_empty(SSL *s)
+{
+ STACK_OF(SSL_CIPHER) *sk = NULL, *scsv = NULL;
+ const unsigned char bytes[] = {0x00};
+
+ if (SSL_bytes_to_cipher_list(s, bytes, 0, 0, &sk, &scsv) ||
+ sk != NULL || scsv != NULL)
+ return 0;
+ return 1;
+}
+
+static int test_unsupported(SSL *s)
+{
+ STACK_OF(SSL_CIPHER) *sk, *scsv;
+ /* ECDH-RSA-AES256 (unsupported), ECDHE-ECDSA-AES128, <unassigned> */
+ const unsigned char bytes[] = {0xc0, 0x0f, 0x00, 0x2f, 0x01, 0x00};
+
+ if (!SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes), 0, &sk, &scsv) ||
+ sk == NULL || sk_SSL_CIPHER_num(sk) != 1 || scsv == NULL ||
+ sk_SSL_CIPHER_num(scsv) != 0)
+ return 0;
+ if (strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),
+ "AES128-SHA") != 0)
+ return 0;
+
+ sk_SSL_CIPHER_free(sk);
+ sk_SSL_CIPHER_free(scsv);
+ return 1;
+}
+
+static int test_v2(SSL *s)
+{
+ STACK_OF(SSL_CIPHER) *sk, *scsv;
+ /* ECDHE-ECDSA-AES256GCM, SSL2_RC4_1238_WITH_MD5,
+ * ECDHE-ECDSA-CHACHA20-POLY1305 */
+ const unsigned char bytes[] = {0x00, 0x00, 0x35, 0x01, 0x00, 0x80,
+ 0x00, 0x00, 0x33};
+
+ if (!SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes), 1, &sk, &scsv) ||
+ sk == NULL || sk_SSL_CIPHER_num(sk) != 2 || scsv == NULL ||
+ sk_SSL_CIPHER_num(scsv) != 0)
+ return 0;
+ if (strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),
+ "AES256-SHA") != 0 ||
+ strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 1)),
+ "DHE-RSA-AES128-SHA") != 0)
+ return 0;
+ sk_SSL_CIPHER_free(sk);
+ sk_SSL_CIPHER_free(scsv);
+ return 1;
+}
+
+static int test_v3(SSL *s)
+{
+ STACK_OF(SSL_CIPHER) *sk, *scsv;
+ /* ECDHE-ECDSA-AES256GCM, ECDHE-ECDSA-CHACHAPOLY, DHE-RSA-AES256GCM,
+ * EMPTY-RENEGOTIATION-INFO-SCSV, FALLBACK-SCSV */
+ const unsigned char bytes[] = {0x00, 0x2f, 0x00, 0x33, 0x00, 0x9f, 0x00, 0xff,
+ 0x56, 0x00};
+
+ if (!SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes), 0, &sk, &scsv) ||
+ sk == NULL || sk_SSL_CIPHER_num(sk) != 3 || scsv == NULL ||
+ sk_SSL_CIPHER_num(scsv) != 2)
+ return 0;
+ if (strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),
+ "AES128-SHA") != 0 ||
+ strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 1)),
+ "DHE-RSA-AES128-SHA") != 0 ||
+ strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 2)),
+ "DHE-RSA-AES256-GCM-SHA384") != 0 ||
+ strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(scsv, 0)),
+ "TLS_EMPTY_RENEGOTIATION_INFO_SCSV") != 0 ||
+ strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(scsv, 1)),
+ "TLS_FALLBACK_SCSV") != 0)
+ return 0;
+ sk_SSL_CIPHER_free(sk);
+ sk_SSL_CIPHER_free(scsv);
+ return 1;
+}
+
+int main(int argc, char **argv)
+{
+ SSL_CTX *ctx;
+ SSL *s;
+
+ ctx = SSL_CTX_new(TLS_server_method());
+ s = SSL_new(ctx);
+ OPENSSL_assert(s != NULL);
+
+ if (!test_empty(s))
+ return 1;
+
+ if (!test_unsupported(s))
+ return 1;
+
+ if (!test_v2(s))
+ return 1;
+
+ if (!test_v3(s))
+ return 1;
+
+ printf("PASS\n");
+ SSL_free(s);
+ SSL_CTX_free(ctx);
+ return 0;
+}
