Extend custom extension testing

Test the scenario where we add a custom extension to a cetificate
request and expect a response in the client's certificate message.

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16634)

diff --git a/test/sslapitest.c b/test/sslapitest.c
index e7a00a43e27851308b945cc0052e6b9f5f606d21..fbec107edb1c684a8fe8ef14c15d0d6c2e55d32d 100644 (file)
--- a/test/sslapitest.c
+++ b/test/sslapitest.c
@@ -5560,6 +5560,11 @@ static int sni_cb(SSL *s, int *al, void *arg)
     return SSL_TLSEXT_ERR_OK;
 }
 
+static int verify_cb(int preverify_ok, X509_STORE_CTX *x509_ctx)
+{
+    return 1;
+}
+
 /*
  * Custom call back tests.
  * Test 0: Old style callbacks in TLSv1.2
@@ -5567,6 +5572,7 @@ static int sni_cb(SSL *s, int *al, void *arg)
  * Test 2: New style callbacks in TLSv1.2 with SNI
  * Test 3: New style callbacks in TLSv1.3. Extensions in CH and EE
  * Test 4: New style callbacks in TLSv1.3. Extensions in CH, SH, EE, Cert + NST
+ * Test 5: New style callbacks in TLSv1.3. Extensions in CR + Client Cert
  */
 static int test_custom_exts(int tst)
 {
@@ -5608,7 +5614,19 @@ static int test_custom_exts(int tst)
             SSL_CTX_set_options(sctx2, SSL_OP_NO_TLSv1_3);
     }
 
-    if (tst == 4) {
+    if (tst == 5) {
+        context = SSL_EXT_TLS1_3_CERTIFICATE_REQUEST
+                  | SSL_EXT_TLS1_3_CERTIFICATE;
+        SSL_CTX_set_verify(sctx,
+                           SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
+                           verify_cb);
+        if (!TEST_int_eq(SSL_CTX_use_certificate_file(cctx, cert,
+                                                      SSL_FILETYPE_PEM), 1)
+                || !TEST_int_eq(SSL_CTX_use_PrivateKey_file(cctx, privkey,
+                                                            SSL_FILETYPE_PEM), 1)
+                || !TEST_int_eq(SSL_CTX_check_private_key(cctx), 1))
+            goto end;
+    } else if (tst == 4) {
         context = SSL_EXT_CLIENT_HELLO
                   | SSL_EXT_TLS1_2_SERVER_HELLO
                   | SSL_EXT_TLS1_3_SERVER_HELLO
@@ -5704,6 +5722,12 @@ static int test_custom_exts(int tst)
                 || (tst != 2 && snicb != 0)
                 || (tst == 2 && snicb != 1))
             goto end;
+    } else if (tst == 5) {
+        if (clntaddnewcb != 1
+                || clntparsenewcb != 1
+                || srvaddnewcb != 1
+                || srvparsenewcb != 1)
+            goto end;
     } else {
         /* In this case there 2 NewSessionTicket messages created */
         if (clntaddnewcb != 1
@@ -5720,8 +5744,8 @@ static int test_custom_exts(int tst)
     SSL_free(clientssl);
     serverssl = clientssl = NULL;
 
-    if (tst == 3) {
-        /* We don't bother with the resumption aspects for this test */
+    if (tst == 3 || tst == 5) {
+        /* We don't bother with the resumption aspects for these tests */
         testresult = 1;
         goto end;
     }
@@ -8150,11 +8174,6 @@ err:
     return 0;
 }
 
-static int verify_cb(int preverify_ok, X509_STORE_CTX *x509_ctx)
-{
-    return 1;
-}
-
 static int test_client_cert_cb(int tst)
 {
     SSL_CTX *cctx = NULL, *sctx = NULL;
@@ -9685,7 +9704,7 @@ int setup_tests(void)
     /* Test with only TLSv1.3 versions */
     ADD_ALL_TESTS(test_key_exchange, 12);
 # endif
-    ADD_ALL_TESTS(test_custom_exts, 5);
+    ADD_ALL_TESTS(test_custom_exts, 6);
     ADD_TEST(test_stateless);
     ADD_TEST(test_pha_key_update);
 #else