Fix a gcc warning about possible fall through
[openssl.git] / test / handshake_helper.c
index 5e5c311cf35c5e45aaeb64e7b542cd234e7decff..c0265ab3c0ddc70739fb53b21680a75d577d1f7a 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -16,6 +16,7 @@
 #include <openssl/srp.h>
 #endif
 
+#include "../ssl/ssl_locl.h"
 #include "internal/sockets.h"
 #include "internal/nelem.h"
 #include "handshake_helper.h"
@@ -39,6 +40,7 @@ void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result)
     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->cipher);
     OPENSSL_free(result);
 }
 
@@ -224,18 +226,18 @@ static int client_hello_ignore_cb(SSL *s, int *al, void *arg)
 {
     if (!client_hello_select_server_ctx(s, arg, 1)) {
         *al = SSL_AD_UNRECOGNIZED_NAME;
-        return 0;
+        return SSL_CLIENT_HELLO_ERROR;
     }
-    return 1;
+    return SSL_CLIENT_HELLO_SUCCESS;
 }
 
 static int client_hello_reject_cb(SSL *s, int *al, void *arg)
 {
     if (!client_hello_select_server_ctx(s, arg, 0)) {
         *al = SSL_AD_UNRECOGNIZED_NAME;
-        return 0;
+        return SSL_CLIENT_HELLO_ERROR;
     }
-    return 1;
+    return SSL_CLIENT_HELLO_SUCCESS;
 }
 
 static int client_hello_nov12_cb(SSL *s, int *al, void *arg)
@@ -247,7 +249,7 @@ static int client_hello_nov12_cb(SSL *s, int *al, void *arg)
     v = SSL_client_hello_get0_legacy_version(s);
     if (v > TLS1_2_VERSION || v < SSL3_VERSION) {
         *al = SSL_AD_PROTOCOL_VERSION;
-        return 0;
+        return SSL_CLIENT_HELLO_ERROR;
     }
     (void)SSL_client_hello_get0_session_id(s, &p);
     if (p == NULL ||
@@ -255,13 +257,15 @@ static int client_hello_nov12_cb(SSL *s, int *al, void *arg)
         SSL_client_hello_get0_ciphers(s, &p) == 0 ||
         SSL_client_hello_get0_compression_methods(s, &p) == 0) {
         *al = SSL_AD_INTERNAL_ERROR;
-        return 0;
+        return SSL_CLIENT_HELLO_ERROR;
     }
     ret = client_hello_select_server_ctx(s, arg, 0);
     SSL_set_max_proto_version(s, TLS1_1_VERSION);
-    if (!ret)
+    if (!ret) {
         *al = SSL_AD_UNRECOGNIZED_NAME;
-    return ret;
+        return SSL_CLIENT_HELLO_ERROR;
+    }
+    return SSL_CLIENT_HELLO_SUCCESS;
 }
 
 static unsigned char dummy_ocsp_resp_good_val = 0xff;
@@ -348,14 +352,14 @@ static int parse_protos(const char *protos, unsigned char **out, size_t *outlen)
         if ((*out)[i] == ',') {
             if (!TEST_int_gt(i - 1, prefix))
                 goto err;
-            (*out)[prefix] = i - 1 - prefix;
+            (*out)[prefix] = (unsigned char)(i - 1 - prefix);
             prefix = i;
         }
         i++;
     }
     if (!TEST_int_gt(len, prefix))
         goto err;
-    (*out)[prefix] = len - prefix;
+    (*out)[prefix] = (unsigned char)(len - prefix);
     return 1;
 
 err:
@@ -488,6 +492,17 @@ static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
         break;
     }
 
+    switch (extra->client.max_fragment_len_mode) {
+    case TLSEXT_max_fragment_length_512:
+    case TLSEXT_max_fragment_length_1024:
+    case TLSEXT_max_fragment_length_2048:
+    case TLSEXT_max_fragment_length_4096:
+    case TLSEXT_max_fragment_length_DISABLED:
+        SSL_CTX_set_tlsext_max_fragment_length(
+              client_ctx, extra->client.max_fragment_len_mode);
+        break;
+    }
+
     /*
      * Link the two contexts for SNI purposes.
      * Also do ClientHello callbacks here, as setting both ClientHello and SNI
@@ -660,6 +675,8 @@ static void configure_handshake_ssl(SSL *server, SSL *client,
     if (extra->client.servername != SSL_TEST_SERVERNAME_NONE)
         SSL_set_tlsext_host_name(client,
                                  ssl_servername_name(extra->client.servername));
+    if (extra->client.force_pha)
+        SSL_force_post_handshake_auth(client);
 }
 
 /* The status for each connection phase. */
@@ -834,7 +851,9 @@ static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer)
                           || test_ctx->handshake_mode
                               == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
                           || test_ctx->handshake_mode
-                              == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT)) {
+                              == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
+                          || test_ctx->handshake_mode
+                              == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH)) {
         peer->status = PEER_TEST_FAILURE;
         return;
     }
@@ -915,6 +934,25 @@ static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer)
         if (peer->status != PEER_SUCCESS)
             peer->status = PEER_ERROR;
         return;
+    } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH) {
+        if (SSL_is_server(peer->ssl)) {
+            /* Make the server believe it's received the extension */
+            if (test_ctx->extra.server.force_pha)
+                peer->ssl->post_handshake_auth = SSL_PHA_EXT_RECEIVED;
+            ret = SSL_verify_client_post_handshake(peer->ssl);
+            if (!ret) {
+                peer->status = PEER_ERROR;
+                return;
+            }
+        }
+        do_handshake_step(peer);
+        /*
+         * This is a one step handshake. We shouldn't get anything other than
+         * PEER_SUCCESS
+         */
+        if (peer->status != PEER_SUCCESS)
+            peer->status = PEER_ERROR;
+        return;
     }
 
     /*
@@ -990,25 +1028,41 @@ typedef enum {
     CONNECTION_DONE
 } connect_phase_t;
 
+
+static int renegotiate_op(const SSL_TEST_CTX *test_ctx)
+{
+    switch (test_ctx->handshake_mode) {
+    case SSL_TEST_HANDSHAKE_RENEG_SERVER:
+    case SSL_TEST_HANDSHAKE_RENEG_CLIENT:
+        return 1;
+    default:
+        return 0;
+    }
+}
+static int post_handshake_op(const SSL_TEST_CTX *test_ctx)
+{
+    switch (test_ctx->handshake_mode) {
+    case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT:
+    case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER:
+    case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH:
+        return 1;
+    default:
+        return 0;
+    }
+}
+
 static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx,
                                   connect_phase_t phase)
 {
     switch (phase) {
     case HANDSHAKE:
-        if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
-                || test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT
-                || test_ctx->handshake_mode
-                   == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
-                || test_ctx->handshake_mode
-                   == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)
+        if (renegotiate_op(test_ctx) || post_handshake_op(test_ctx))
             return RENEG_APPLICATION_DATA;
         return APPLICATION_DATA;
     case RENEG_APPLICATION_DATA:
         return RENEG_SETUP;
     case RENEG_SETUP:
-        if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
-                || test_ctx->handshake_mode
-                   == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT)
+        if (post_handshake_op(test_ctx))
             return APPLICATION_DATA;
         return RENEG_HANDSHAKE;
     case RENEG_HANDSHAKE:
@@ -1101,6 +1155,7 @@ static handshake_status_t handshake_status(peer_status_t last_status,
              */
             return INTERNAL_ERROR;
         }
+        break;
 
     case PEER_RETRY:
         return HANDSHAKE_RETRY;
@@ -1302,6 +1357,8 @@ static HANDSHAKE_RESULT *do_handshake_internal(
     handshake_status_t status = HANDSHAKE_RETRY;
     const unsigned char* tick = NULL;
     size_t tick_len = 0;
+    const unsigned char* sess_id = NULL;
+    unsigned int sess_id_len = 0;
     SSL_SESSION* sess = NULL;
     const unsigned char *proto = NULL;
     /* API dictates unsigned int rather than size_t. */
@@ -1309,6 +1366,7 @@ static HANDSHAKE_RESULT *do_handshake_internal(
     EVP_PKEY *tmp_key;
     const STACK_OF(X509_NAME) *names;
     time_t start;
+    const char* cipher;
 
     if (ret == NULL)
         return NULL;
@@ -1494,8 +1552,10 @@ static HANDSHAKE_RESULT *do_handshake_internal(
     ret->server_protocol = SSL_version(server.ssl);
     ret->client_protocol = SSL_version(client.ssl);
     ret->servername = server_ex_data.servername;
-    if ((sess = SSL_get0_session(client.ssl)) != NULL)
+    if ((sess = SSL_get0_session(client.ssl)) != NULL) {
         SSL_SESSION_get0_ticket(sess, &tick, &tick_len);
+        sess_id = SSL_SESSION_get_id(sess, &sess_id_len);
+    }
     if (tick == NULL || tick_len == 0)
         ret->session_ticket = SSL_TEST_SESSION_TICKET_NO;
     else
@@ -1503,6 +1563,10 @@ static HANDSHAKE_RESULT *do_handshake_internal(
     ret->compression = (SSL_get_current_compression(client.ssl) == NULL)
                        ? SSL_TEST_COMPRESSION_NO
                        : SSL_TEST_COMPRESSION_YES;
+    if (sess_id == NULL || sess_id_len == 0)
+        ret->session_id = SSL_TEST_SESSION_ID_NO;
+    else
+        ret->session_id = SSL_TEST_SESSION_ID_YES;
     ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call;
 
 #ifndef OPENSSL_NO_NEXTPROTONEG
@@ -1522,6 +1586,9 @@ static HANDSHAKE_RESULT *do_handshake_internal(
     ret->client_resumed = SSL_session_reused(client.ssl);
     ret->server_resumed = SSL_session_reused(server.ssl);
 
+    cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl));
+    ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher));
+
     if (session_out != NULL)
         *session_out = SSL_get1_session(client.ssl);