From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id B8D8F81D36 for ; Thu, 3 Nov 2016 00:23:12 -0700 (PDT) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP; 03 Nov 2016 00:23:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,585,1473145200"; d="scan'208";a="897185032" Received: from shwdeopenpsi014.ccr.corp.intel.com ([10.239.9.34]) by orsmga003.jf.intel.com with ESMTP; 03 Nov 2016 00:23:13 -0700 From: Hao Wu To: edk2-devel@lists.01.org Cc: Hao Wu , Liming Gao , Yonghong Zhu Date: Thu, 3 Nov 2016 15:22:12 +0800 Message-Id: <1478157783-9368-3-git-send-email-hao.a.wu@intel.com> X-Mailer: git-send-email 1.9.5.msysgit.0 In-Reply-To: <1478157783-9368-1-git-send-email-hao.a.wu@intel.com> References: <1478157783-9368-1-git-send-email-hao.a.wu@intel.com> Subject: [PATCH v2 02/53] BaseTools/EfiRom: Avoid possible NULL pointer dereference X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Nov 2016 07:23:12 -0000 Cc: Liming Gao Cc: Yonghong Zhu Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hao Wu --- BaseTools/Source/C/EfiRom/EfiRom.c | 38 ++++++++++++++++++++------------------ 1 file changed, 20 insertions(+), 18 deletions(-) diff --git a/BaseTools/Source/C/EfiRom/EfiRom.c b/BaseTools/Source/C/EfiRom/EfiRom.c index e2bd289..622a12f 100644 --- a/BaseTools/Source/C/EfiRom/EfiRom.c +++ b/BaseTools/Source/C/EfiRom/EfiRom.c @@ -1,7 +1,7 @@ /** @file Utility program to create an EFI option ROM image from binary and EFI PE32 files. -Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved.
+Copyright (c) 1999 - 2016, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at @@ -95,24 +95,26 @@ Returns: // the command line, or the first input filename with a different extension. // if (!mOptions.OutFileName[0]) { - strcpy (mOptions.OutFileName, mOptions.FileList->FileName); - // - // Find the last . on the line and replace the filename extension with - // the default - // - for (Ext = mOptions.OutFileName + strlen (mOptions.OutFileName) - 1; - (Ext >= mOptions.OutFileName) && (*Ext != '.') && (*Ext != '\\'); - Ext-- - ) - ; - // - // If dot here, then insert extension here, otherwise append - // - if (*Ext != '.') { - Ext = mOptions.OutFileName + strlen (mOptions.OutFileName); - } + if (mOptions.FileList != NULL) { + strcpy (mOptions.OutFileName, mOptions.FileList->FileName); + // + // Find the last . on the line and replace the filename extension with + // the default + // + for (Ext = mOptions.OutFileName + strlen (mOptions.OutFileName) - 1; + (Ext >= mOptions.OutFileName) && (*Ext != '.') && (*Ext != '\\'); + Ext-- + ) + ; + // + // If dot here, then insert extension here, otherwise append + // + if (*Ext != '.') { + Ext = mOptions.OutFileName + strlen (mOptions.OutFileName); + } - strcpy (Ext, DEFAULT_OUTPUT_EXTENSION); + strcpy (Ext, DEFAULT_OUTPUT_EXTENSION); + } } // // Make sure we don't have the same filename for input and output files -- 1.9.5.msysgit.0