test: add test case for X508_PUBKEY_dup() function

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14642)

diff --git a/test/evp_extra_test.c b/test/evp_extra_test.c
index 45ca43aee186762493625ad174b5396a244b5e46..859ef4cb91f1bc5711a407eceb596102fb69dc90 100644 (file)
--- a/test/evp_extra_test.c
+++ b/test/evp_extra_test.c
@@ -1856,31 +1856,70 @@ static int test_emptyikm_HKDF(void)
 #ifndef OPENSSL_NO_EC
 static int test_X509_PUBKEY_inplace(void)
 {
-  int ret = 0;
-  X509_PUBKEY *xp = NULL;
-  const unsigned char *p = kExampleECPubKeyDER;
-  size_t input_len = sizeof(kExampleECPubKeyDER);
+    int ret = 0;
+    X509_PUBKEY *xp = NULL;
+    const unsigned char *p = kExampleECPubKeyDER;
+    size_t input_len = sizeof(kExampleECPubKeyDER);
 
-  if (!TEST_ptr(xp = d2i_X509_PUBKEY(NULL, &p, input_len)))
-    goto done;
+    if (!TEST_ptr(xp = d2i_X509_PUBKEY(NULL, &p, input_len)))
+        goto done;
 
-  if (!TEST_ptr(X509_PUBKEY_get0(xp)))
-    goto done;
+    if (!TEST_ptr(X509_PUBKEY_get0(xp)))
+        goto done;
 
-  p = kExampleBadECPubKeyDER;
-  input_len = sizeof(kExampleBadECPubKeyDER);
+    p = kExampleBadECPubKeyDER;
+    input_len = sizeof(kExampleBadECPubKeyDER);
 
-  if (!TEST_ptr(xp = d2i_X509_PUBKEY(&xp, &p, input_len)))
-    goto done;
+    if (!TEST_ptr(xp = d2i_X509_PUBKEY(&xp, &p, input_len)))
+        goto done;
 
-  if (!TEST_true(X509_PUBKEY_get0(xp) == NULL))
-    goto done;
+    if (!TEST_true(X509_PUBKEY_get0(xp) == NULL))
+        goto done;
 
-  ret = 1;
+    ret = 1;
 
-done:
-  X509_PUBKEY_free(xp);
-  return ret;
+ done:
+    X509_PUBKEY_free(xp);
+    return ret;
+}
+
+static int test_X509_PUBKEY_dup(void)
+{
+    int ret = 0;
+    X509_PUBKEY *xp = NULL, *xq = NULL;
+    const unsigned char *p = kExampleECPubKeyDER;
+    size_t input_len = sizeof(kExampleECPubKeyDER);
+
+    if (!TEST_ptr(xp = d2i_X509_PUBKEY(NULL, &p, input_len))
+            || !TEST_ptr(xq = X509_PUBKEY_dup(xp))
+            || !TEST_ptr_ne(xp, xq))
+        goto done;
+
+    if (!TEST_ptr(X509_PUBKEY_get0(xq))
+            || !TEST_ptr(X509_PUBKEY_get0(xp))
+            || !TEST_ptr_eq(X509_PUBKEY_get0(xq), X509_PUBKEY_get0(xp)))
+        goto done;
+
+    X509_PUBKEY_free(xq);
+    xq = NULL;
+    p = kExampleBadECPubKeyDER;
+    input_len = sizeof(kExampleBadECPubKeyDER);
+
+    if (!TEST_ptr(xp = d2i_X509_PUBKEY(&xp, &p, input_len))
+            || !TEST_ptr(xq = X509_PUBKEY_dup(xp)))
+        goto done;
+
+    X509_PUBKEY_free(xp);
+    xp = NULL;
+    if (!TEST_true(X509_PUBKEY_get0(xq) == NULL))
+        goto done;
+
+    ret = 1;
+
+ done:
+    X509_PUBKEY_free(xp);
+    X509_PUBKEY_free(xq);
+    return ret;
 }
 #endif /* OPENSSL_NO_EC */
 
@@ -2703,6 +2742,7 @@ int setup_tests(void)
     ADD_TEST(test_emptyikm_HKDF);
 #ifndef OPENSSL_NO_EC
     ADD_TEST(test_X509_PUBKEY_inplace);
+    ADD_TEST(test_X509_PUBKEY_dup);
     ADD_ALL_TESTS(test_invalide_ec_char2_pub_range_decode,
                   OSSL_NELEM(ec_der_pub_keys));
 #endif