Add ExpectedServerCANames

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3015)

6 files changed, 81 insertions, 50 deletions

diff --git a/test/README.ssltest.md b/test/README.ssltest.md
index 0d6f4660cb..288dffa7ac 100644
--- a/test/README.ssltest.md
+++ b/test/README.ssltest.md
@@ -102,6 +102,10 @@ handshake.
   send. If this is "empty" the list is expected to be empty otherwise it
   is a file of certificates whose subject names form the list.
 
+* ExpectedServerCANames - list of CA names the client must send, TLS 1.3 only.
+  If this is "empty" the list is expected to be empty otherwise it is a file
+  of certificates whose subject names form the list.
+
 ## Configuring the client and server
 
 The client and server configurations can be any valid `SSL_CTX`
diff --git a/test/handshake_helper.c b/test/handshake_helper.c
index 4bccac1d4e..47af3fe396 100644
--- a/test/handshake_helper.c
+++ b/test/handshake_helper.c
@@ -34,6 +34,7 @@ void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result)
     OPENSSL_free(result->server_npn_negotiated);
     OPENSSL_free(result->client_alpn_negotiated);
     OPENSSL_free(result->server_alpn_negotiated);
+    sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free);
     sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free);
     OPENSSL_free(result);
 }
@@ -1123,7 +1124,7 @@ static HANDSHAKE_RESULT *do_handshake_internal(
     /* API dictates unsigned int rather than size_t. */
     unsigned int proto_len = 0;
     EVP_PKEY *tmp_key;
-    STACK_OF(X509_NAME) *names;
+    const STACK_OF(X509_NAME) *names;
 
     memset(&server_ctx_data, 0, sizeof(server_ctx_data));
     memset(&server2_ctx_data, 0, sizeof(server2_ctx_data));
@@ -1297,12 +1298,18 @@ static HANDSHAKE_RESULT *do_handshake_internal(
     SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type);
     SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type);
 
-    names = SSL_get_client_CA_list(client.ssl);
+    names = SSL_get0_peer_CA_list(client.ssl);
     if (names == NULL)
         ret->client_ca_names = NULL;
     else
         ret->client_ca_names = SSL_dup_CA_list(names);
 
+    names = SSL_get0_peer_CA_list(server.ssl);
+    if (names == NULL)
+        ret->server_ca_names = NULL;
+    else
+        ret->server_ca_names = SSL_dup_CA_list(names);
+
     ret->server_cert_type = peer_pkey_type(client.ssl);
     ret->client_cert_type = peer_pkey_type(server.ssl);
 
diff --git a/test/handshake_helper.h b/test/handshake_helper.h
index a7df5845de..2736057729 100644
--- a/test/handshake_helper.h
+++ b/test/handshake_helper.h
@@ -52,6 +52,8 @@ typedef struct handshake_result {
     int server_sign_hash;
     /* server signature type */
     int server_sign_type;
+    /* server CA names */
+    STACK_OF(X509_NAME) *server_ca_names;
     /* client certificate key type */
     int client_cert_type;
     /* client signing hash */
diff --git a/test/ssl_test.c b/test/ssl_test.c
index 0cdec46d3e..9406f94280 100644
--- a/test/ssl_test.c
+++ b/test/ssl_test.c
@@ -195,54 +195,6 @@ static int check_nid(const char *name, int expected_nid, int nid)
     return 0;
 }
 
-static int check_tmp_key(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
-{
-    return check_nid("Tmp key", test_ctx->expected_tmp_key_type,
-                     result->tmp_key_type);
-}
-
-static int check_server_cert_type(HANDSHAKE_RESULT *result,
-                                  SSL_TEST_CTX *test_ctx)
-{
-    return check_nid("Server certificate", test_ctx->expected_server_cert_type,
-                     result->server_cert_type);
-}
-
-static int check_server_sign_hash(HANDSHAKE_RESULT *result,
-                                  SSL_TEST_CTX *test_ctx)
-{
-    return check_nid("Server signing hash", test_ctx->expected_server_sign_hash,
-                     result->server_sign_hash);
-}
-
-static int check_server_sign_type(HANDSHAKE_RESULT *result,
-                                  SSL_TEST_CTX *test_ctx)
-{
-    return check_nid("Server signing", test_ctx->expected_server_sign_type,
-                     result->server_sign_type);
-}
-
-static int check_client_cert_type(HANDSHAKE_RESULT *result,
-                                  SSL_TEST_CTX *test_ctx)
-{
-    return check_nid("Client certificate", test_ctx->expected_client_cert_type,
-                     result->client_cert_type);
-}
-
-static int check_client_sign_hash(HANDSHAKE_RESULT *result,
-                                  SSL_TEST_CTX *test_ctx)
-{
-    return check_nid("Client signing hash", test_ctx->expected_client_sign_hash,
-                     result->client_sign_hash);
-}
-
-static int check_client_sign_type(HANDSHAKE_RESULT *result,
-                                  SSL_TEST_CTX *test_ctx)
-{
-    return check_nid("Client signing", test_ctx->expected_client_sign_type,
-                     result->client_sign_type);
-}
-
 static void print_ca_names(STACK_OF(X509_NAME) *names)
 {
     BIO *err;
@@ -291,6 +243,62 @@ static int check_ca_names(const char *name,
     return 0;
 }
 
+static int check_tmp_key(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
+{
+    return check_nid("Tmp key", test_ctx->expected_tmp_key_type,
+                     result->tmp_key_type);
+}
+
+static int check_server_cert_type(HANDSHAKE_RESULT *result,
+                                  SSL_TEST_CTX *test_ctx)
+{
+    return check_nid("Server certificate", test_ctx->expected_server_cert_type,
+                     result->server_cert_type);
+}
+
+static int check_server_sign_hash(HANDSHAKE_RESULT *result,
+                                  SSL_TEST_CTX *test_ctx)
+{
+    return check_nid("Server signing hash", test_ctx->expected_server_sign_hash,
+                     result->server_sign_hash);
+}
+
+static int check_server_sign_type(HANDSHAKE_RESULT *result,
+                                  SSL_TEST_CTX *test_ctx)
+{
+    return check_nid("Server signing", test_ctx->expected_server_sign_type,
+                     result->server_sign_type);
+}
+
+static int check_server_ca_names(HANDSHAKE_RESULT *result,
+                                 SSL_TEST_CTX *test_ctx)
+{
+    return check_ca_names("Server CA names",
+                          test_ctx->expected_server_ca_names,
+                          result->server_ca_names);
+}
+
+static int check_client_cert_type(HANDSHAKE_RESULT *result,
+                                  SSL_TEST_CTX *test_ctx)
+{
+    return check_nid("Client certificate", test_ctx->expected_client_cert_type,
+                     result->client_cert_type);
+}
+
+static int check_client_sign_hash(HANDSHAKE_RESULT *result,
+                                  SSL_TEST_CTX *test_ctx)
+{
+    return check_nid("Client signing hash", test_ctx->expected_client_sign_hash,
+                     result->client_sign_hash);
+}
+
+static int check_client_sign_type(HANDSHAKE_RESULT *result,
+                                  SSL_TEST_CTX *test_ctx)
+{
+    return check_nid("Client signing", test_ctx->expected_client_sign_type,
+                     result->client_sign_type);
+}
+
 static int check_client_ca_names(HANDSHAKE_RESULT *result,
                                  SSL_TEST_CTX *test_ctx)
 {
@@ -324,6 +332,7 @@ static int check_test(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx)
         ret &= check_server_cert_type(result, test_ctx);
         ret &= check_server_sign_hash(result, test_ctx);
         ret &= check_server_sign_type(result, test_ctx);
+        ret &= check_server_ca_names(result, test_ctx);
         ret &= check_client_cert_type(result, test_ctx);
         ret &= check_client_sign_hash(result, test_ctx);
         ret &= check_client_sign_type(result, test_ctx);
diff --git a/test/ssl_test_ctx.c b/test/ssl_test_ctx.c
index 7189777b78..6a3b9d1ebd 100644
--- a/test/ssl_test_ctx.c
+++ b/test/ssl_test_ctx.c
@@ -546,6 +546,11 @@ __owur static int parse_expected_ca_names(STACK_OF(X509_NAME) **pnames,
         *pnames = SSL_load_client_CA_file(value);
     return *pnames != NULL;
 }
+__owur static int parse_expected_server_ca_names(SSL_TEST_CTX *test_ctx,
+                                                 const char *value)
+{
+    return parse_expected_ca_names(&test_ctx->expected_server_ca_names, value);
+}
 __owur static int parse_expected_client_ca_names(SSL_TEST_CTX *test_ctx,
                                                  const char *value)
 {
@@ -580,6 +585,7 @@ static const ssl_test_ctx_option ssl_test_ctx_options[] = {
     { "ExpectedServerCertType", &parse_expected_server_cert_type },
     { "ExpectedServerSignHash", &parse_expected_server_sign_hash },
     { "ExpectedServerSignType", &parse_expected_server_sign_type },
+    { "ExpectedServerCANames", &parse_expected_server_ca_names },
     { "ExpectedClientCertType", &parse_expected_client_cert_type },
     { "ExpectedClientSignHash", &parse_expected_client_sign_hash },
     { "ExpectedClientSignType", &parse_expected_client_sign_type },
@@ -661,6 +667,7 @@ void SSL_TEST_CTX_free(SSL_TEST_CTX *ctx)
     ssl_test_ctx_free_extra_data(ctx);
     OPENSSL_free(ctx->expected_npn_protocol);
     OPENSSL_free(ctx->expected_alpn_protocol);
+    sk_X509_NAME_pop_free(ctx->expected_server_ca_names, X509_NAME_free);
     sk_X509_NAME_pop_free(ctx->expected_client_ca_names, X509_NAME_free);
     OPENSSL_free(ctx);
 }
diff --git a/test/ssl_test_ctx.h b/test/ssl_test_ctx.h
index 0b37b15de9..54cefb6368 100644
--- a/test/ssl_test_ctx.h
+++ b/test/ssl_test_ctx.h
@@ -188,6 +188,8 @@ typedef struct {
     int expected_server_sign_hash;
     /* Expected server signature type */
     int expected_server_sign_type;
+    /* Expected server CA names */
+    STACK_OF(X509_NAME) *expected_server_ca_names;
     /* Expected client certificate key type */
     int expected_client_cert_type;
     /* Expected client signing hash */