Move ossl_assert

[openssl.git] / ssl / s3_enc.c

diff --git a/ssl/s3_enc.c b/ssl/s3_enc.c
index 9283c744586b1aa3ae9e8b6f1f16ad83f012a124..bef9f99e7de7e10f445245bda8ea1a8a83b04898 100644 (file)
--- a/ssl/s3_enc.c
+++ b/ssl/s3_enc.c
@@ -1,5 +1,6 @@
 /*
  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2005 Nokia. 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
@@ -7,37 +8,11 @@
  * https://www.openssl.org/source/license.html
  */
 
-/* ====================================================================
- * Copyright 2005 Nokia. All rights reserved.
- *
- * The portions of the attached software ("Contribution") is developed by
- * Nokia Corporation and is licensed pursuant to the OpenSSL open source
- * license.
- *
- * The Contribution, originally written by Mika Kousa and Pasi Eronen of
- * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
- * support (see RFC 4279) to OpenSSL.
- *
- * No patent licenses or other rights except those expressly stated in
- * the OpenSSL open source license shall be deemed granted or received
- * expressly, by implication, estoppel, or otherwise.
- *
- * No assurances are provided by Nokia that the Contribution does not
- * infringe the patent or other intellectual property rights of any third
- * party or that the license provides you with all the necessary rights
- * to make use of the Contribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
- * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
- * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
- * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
- * OTHERWISE.
- */
-
 #include <stdio.h>
 #include "ssl_locl.h"
 #include <openssl/evp.h>
 #include <openssl/md5.h>
+#include "internal/cryptlib.h"
 
 static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
 {
@@ -61,10 +36,10 @@ static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
     EVP_MD_CTX_set_flags(m5, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
     for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) {
         k++;
-        if (k > sizeof buf) {
+        if (k > sizeof(buf)) {
             /* bug: 'buf' is too small for this ciphersuite */
             SSLerr(SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR);
-            return 0;
+            goto err;
         }
 
         for (j = 0; j < k; j++)
@@ -120,7 +95,10 @@ int ssl3_change_cipher_state(SSL *s, int which)
     c = s->s3->tmp.new_sym_enc;
     m = s->s3->tmp.new_hash;
     /* m == NULL will lead to a crash later */
-    OPENSSL_assert(m);
+    if (!ossl_assert(m != NULL)) {
+        SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
+        goto err2;
+    }
 #ifndef OPENSSL_NO_COMP
     if (s->s3->tmp.new_compression == NULL)
         comp = NULL;
@@ -227,24 +205,8 @@ int ssl3_change_cipher_state(SSL *s, int which)
 
     memcpy(mac_secret, ms, i);
 
-    EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE));
-
-#ifdef OPENSSL_SSL_TRACE_CRYPTO
-    if (s->msg_callback) {
-
-        int wh = which & SSL3_CC_WRITE ?
-            TLS1_RT_CRYPTO_WRITE : TLS1_RT_CRYPTO_READ;
-        s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_MAC,
-                        mac_secret, EVP_MD_size(m), s, s->msg_callback_arg);
-        if (c->key_len)
-            s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_KEY,
-                            key, c->key_len, s, s->msg_callback_arg);
-        if (k) {
-            s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_IV,
-                            iv, k, s, s->msg_callback_arg);
-        }
-    }
-#endif
+    if (!EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE)))
+        goto err2;
 
     OPENSSL_cleanse(exp_key, sizeof(exp_key));
     OPENSSL_cleanse(exp_iv, sizeof(exp_iv));
@@ -439,7 +401,7 @@ size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t len,
 
     if ((sender != NULL && EVP_DigestUpdate(ctx, sender, len) <= 0)
         || EVP_MD_CTX_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET,
-                           s->session->master_key_length,
+                           (int)s->session->master_key_length,
                            s->session->master_key) <= 0
         || EVP_DigestFinal_ex(ctx, p, NULL) <= 0) {
         SSLerr(SSL_F_SSL3_FINAL_FINISH_MAC, ERR_R_INTERNAL_ERROR);
@@ -469,9 +431,6 @@ int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
     EVP_MD_CTX *ctx = EVP_MD_CTX_new();
     int i, ret = 1;
     unsigned int n;
-#ifdef OPENSSL_SSL_TRACE_CRYPTO
-    unsigned char *tmpout = out;
-#endif
     size_t ret_secret_size = 0;
 
     if (ctx == NULL) {
@@ -502,21 +461,6 @@ int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
     }
     EVP_MD_CTX_free(ctx);
 
-#ifdef OPENSSL_SSL_TRACE_CRYPTO
-    if (ret && s->msg_callback) {
-        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_PREMASTER,
-                        p, len, s, s->msg_callback_arg);
-        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_CLIENT_RANDOM,
-                        s->s3->client_random, SSL3_RANDOM_SIZE,
-                        s, s->msg_callback_arg);
-        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_SERVER_RANDOM,
-                        s->s3->server_random, SSL3_RANDOM_SIZE,
-                        s, s->msg_callback_arg);
-        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_MASTER,
-                        tmpout, SSL3_MASTER_SECRET_SIZE,
-                        s, s->msg_callback_arg);
-    }
-#endif
     OPENSSL_cleanse(buf, sizeof(buf));
     if (ret)
         *secret_size = ret_secret_size;
@@ -590,6 +534,8 @@ int ssl3_alert_code(int code)
         return (TLS1_AD_INAPPROPRIATE_FALLBACK);
     case SSL_AD_NO_APPLICATION_PROTOCOL:
         return (TLS1_AD_NO_APPLICATION_PROTOCOL);
+    case SSL_AD_CERTIFICATE_REQUIRED:
+        return SSL_AD_HANDSHAKE_FAILURE;
     default:
         return (-1);
     }