Missing NULL check on OBJ_dup result in x509_name_canon

[openssl.git] / crypto / ct / ct_log.c

diff --git a/crypto/ct/ct_log.c b/crypto/ct/ct_log.c
index 4f3fe3c7940301b40df800311fa1ad0569653632..6fc21b7269e3e44625d2d28567bc3997aa05a4d9 100644 (file)
--- a/crypto/ct/ct_log.c
+++ b/crypto/ct/ct_log.c
@@ -1,56 +1,10 @@
-/* Author: Adam Eijdenberg <adam.eijdenberg@gmail.com>. */
-/* ====================================================================
- * Copyright (c) 1998-2016 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 2016 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
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
 #include <stdlib.h>
@@ -243,26 +197,24 @@ int CTLOG_STORE_load_file(CTLOG_STORE *store, const char *file)
     if (load_ctx->conf == NULL)
         goto end;
 
-    ret = NCONF_load(load_ctx->conf, file, NULL);
-    if (ret <= 0) {
+    if (NCONF_load(load_ctx->conf, file, NULL) <= 0) {
         CTerr(CT_F_CTLOG_STORE_LOAD_FILE, CT_R_LOG_CONF_INVALID);
         goto end;
     }
 
     enabled_logs = NCONF_get_string(load_ctx->conf, NULL, "enabled_logs");
     if (enabled_logs == NULL) {
-        ret = 0;
         CTerr(CT_F_CTLOG_STORE_LOAD_FILE, CT_R_LOG_CONF_INVALID);
         goto end;
     }
 
-    ret = CONF_parse_list(enabled_logs, ',', 1, ctlog_store_load_log, load_ctx);
-    if (ret == 1 && load_ctx->invalid_log_entries > 0) {
-        ret = 0;
+    if (!CONF_parse_list(enabled_logs, ',', 1, ctlog_store_load_log, load_ctx) ||
+        load_ctx->invalid_log_entries > 0) {
         CTerr(CT_F_CTLOG_STORE_LOAD_FILE, CT_R_LOG_CONF_INVALID);
         goto end;
     }
 
+    ret = 1;
 end:
     NCONF_free(load_ctx->conf);
     ctlog_store_load_ctx_free(load_ctx);
@@ -336,14 +288,14 @@ EVP_PKEY *CTLOG_get0_public_key(const CTLOG *log)
  * Given a log ID, finds the matching log.
  * Returns NULL if no match found.
  */
-CTLOG *CTLOG_STORE_get0_log_by_id(const CTLOG_STORE *store,
-                                  const uint8_t *log_id,
-                                  size_t log_id_len)
+const CTLOG *CTLOG_STORE_get0_log_by_id(const CTLOG_STORE *store,
+                                        const uint8_t *log_id,
+                                        size_t log_id_len)
 {
     int i;
 
     for (i = 0; i < sk_CTLOG_num(store->logs); ++i) {
-        CTLOG *log = sk_CTLOG_value(store->logs, i);
+        const CTLOG *log = sk_CTLOG_value(store->logs, i);
         if (memcmp(log->log_id, log_id, log_id_len) == 0)
             return log;
     }