From 49a36a528a48bb6b8421b8a0363adb85e63d71fe Mon Sep 17 00:00:00 2001
From: Matt Caswell <matt@openssl.org>
Date: Tue, 16 Jun 2020 17:19:40 +0100
Subject: Add an SSL_dup test

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/12180)
---
 test/sslapitest.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

(limited to 'test')

diff --git a/test/sslapitest.c b/test/sslapitest.c
index e0a92b31ae..c3ee6fa996 100644
--- a/test/sslapitest.c
+++ b/test/sslapitest.c
@@ -8151,6 +8151,75 @@ static int test_pluggable_group(void)
 }
 #endif
 
+#ifndef OPENSSL_NO_TLS1_2
+static int test_ssl_dup(void)
+{
+    SSL_CTX *cctx = NULL, *sctx = NULL;
+    SSL *clientssl = NULL, *serverssl = NULL, *client2ssl = NULL;
+    int testresult = 0;
+    BIO *rbio = NULL, *wbio = NULL;
+
+    if (!TEST_true(create_ssl_ctx_pair(libctx, TLS_server_method(),
+                                       TLS_client_method(),
+                                       0,
+                                       0,
+                                       &sctx, &cctx, cert, privkey)))
+        goto end;
+
+    if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+                                             NULL, NULL)))
+        goto end;
+
+    if (!TEST_true(SSL_set_min_proto_version(clientssl, TLS1_2_VERSION))
+            || !TEST_true(SSL_set_max_proto_version(clientssl, TLS1_2_VERSION)))
+        goto end;
+
+    client2ssl = SSL_dup(clientssl);
+    rbio = SSL_get_rbio(clientssl);
+    if (!TEST_ptr(rbio)
+            || !TEST_true(BIO_up_ref(rbio)))
+        goto end;
+    SSL_set0_rbio(client2ssl, rbio);
+    rbio = NULL;
+
+    wbio = SSL_get_wbio(clientssl);
+    if (!TEST_ptr(wbio) || !TEST_true(BIO_up_ref(wbio)))
+        goto end;
+    SSL_set0_wbio(client2ssl, wbio);
+    rbio = NULL;
+
+    if (!TEST_ptr(client2ssl)
+               /* Handshake not started so pointers should be different */
+            || !TEST_ptr_ne(clientssl, client2ssl))
+        goto end;
+
+    if (!TEST_int_eq(SSL_get_min_proto_version(client2ssl), TLS1_2_VERSION)
+            || !TEST_int_eq(SSL_get_max_proto_version(client2ssl), TLS1_2_VERSION))
+        goto end;
+
+    if (!TEST_true(create_ssl_connection(serverssl, client2ssl, SSL_ERROR_NONE)))
+        goto end;
+
+    SSL_free(clientssl);
+    clientssl = SSL_dup(client2ssl);
+    if (!TEST_ptr(clientssl)
+               /* Handshake has finished so pointers should be the same */
+            || !TEST_ptr_eq(clientssl, client2ssl))
+        goto end;
+
+    testresult = 1;
+
+ end:
+    SSL_free(serverssl);
+    SSL_free(clientssl);
+    SSL_free(client2ssl);
+    SSL_CTX_free(sctx);
+    SSL_CTX_free(cctx);
+
+    return testresult;
+}
+#endif
+
 OPT_TEST_DECLARE_USAGE("certfile privkeyfile srpvfile tmpfile provider config\n")
 
 int setup_tests(void)
@@ -8352,6 +8421,9 @@ int setup_tests(void)
 #endif
 #ifndef OPENSSL_NO_TLS1_3
     ADD_TEST(test_pluggable_group);
+#endif
+#ifndef OPENSSL_NO_TLS1_2
+    ADD_TEST(test_ssl_dup);
 #endif
     return 1;
 
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