From nobody Mon Dec 23 00:37:55 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) smtp.mailfrom=edk2-devel-bounces@lists.01.org Return-Path: Received: from ml01.01.org (ml01.01.org [198.145.21.10]) by mx.zohomail.com with SMTPS id 1521093180969758.0042522877295; Wed, 14 Mar 2018 22:53:00 -0700 (PDT) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 98DD32202E492; Wed, 14 Mar 2018 22:46:35 -0700 (PDT) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 616932202E485 for ; Wed, 14 Mar 2018 22:46:34 -0700 (PDT) Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Mar 2018 22:52:57 -0700 Received: from shwdeopenpsi068.ccr.corp.intel.com ([10.239.158.46]) by fmsmga005.fm.intel.com with ESMTP; 14 Mar 2018 22:52:56 -0700 X-Original-To: edk2-devel@lists.01.org Received-SPF: none (zoho.com: 198.145.21.10 is neither permitted nor denied by domain of lists.01.org) client-ip=198.145.21.10; envelope-from=edk2-devel-bounces@lists.01.org; helo=ml01.01.org; Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=192.55.52.120; helo=mga04.intel.com; envelope-from=star.zeng@intel.com; receiver=edk2-devel@lists.01.org X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,308,1517904000"; d="scan'208";a="211725757" From: Star Zeng To: edk2-devel@lists.01.org Date: Thu, 15 Mar 2018 13:52:54 +0800 Message-Id: <1521093174-105584-1-git-send-email-star.zeng@intel.com> X-Mailer: git-send-email 2.7.0.windows.1 Subject: [edk2] [PATCH V2] SecurityPkg OpalPasswordDxe:Fix wrong BufferSize input to UnicodeSPrint X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chao Zhang , Jiewen Yao , Eric Dong , Star Zeng MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" X-ZohoMail: RSF_4 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" Current code uses string length as BufferSize input to UnicodeSPrint, it is wrong and makes the pop up string trimmed. The BufferSize input to UnicodeSPrint should be the size, in bytes, of the output buffer. This is to use sizeof (mPopUpString) as the BufferSize input to UnicodeSPrint, it also updates array size of mPopUpString from 256 to 100 that is enough, otherwise the pop up string may be too long. Cc: Jiewen Yao Cc: Eric Dong Cc: Chao Zhang Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Star Zeng Reviewed-by: Jiewen.yao@intel.com --- SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c b/SecurityPkg/T= cg/Opal/OpalPassword/OpalDriver.c index 1b55bbe4ecb8..6344deb86750 100644 --- a/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c +++ b/SecurityPkg/Tcg/Opal/OpalPassword/OpalDriver.c @@ -27,7 +27,7 @@ EFI_GUID mOpalDeviceNvmeGuid =3D OPAL_DEVICE_NVME_GUID; BOOLEAN mOpalEndOfDxe =3D FALSE; OPAL_REQUEST_VARIABLE *mOpalRequestVariable =3D NULL; UINTN mOpalRequestVariableSize =3D 0; -CHAR16 mPopUpString[256]; +CHAR16 mPopUpString[100]; =20 typedef struct { UINT32 Address; @@ -908,9 +908,9 @@ OpalDriverPopUpPasswordInput ( } =20 /** - Check if disk is locked, show popup window and ask for password if it is. + Get pop up string. =20 - @param[in] Dev The device which need to be unlocked. + @param[in] Dev The OPAL device. @param[in] RequestString Request string. =20 **/ @@ -920,15 +920,10 @@ OpalGetPopUpString ( IN CHAR16 *RequestString ) { - UINTN StrLength; - - StrLength =3D StrLen (RequestString) + 1 + MAX (StrLen (Dev->Name16), St= rLen (L"Disk")); - ASSERT (StrLength < sizeof (mPopUpString) / sizeof (CHAR16)); - if (Dev->Name16 =3D=3D NULL) { - UnicodeSPrint (mPopUpString, StrLength + 1, L"%s Disk", RequestString); + UnicodeSPrint (mPopUpString, sizeof (mPopUpString), L"%s Disk", Reques= tString); } else { - UnicodeSPrint (mPopUpString, StrLength + 1, L"%s %s", RequestString, D= ev->Name16); + UnicodeSPrint (mPopUpString, sizeof (mPopUpString), L"%s %s", RequestS= tring, Dev->Name16); } =20 return mPopUpString; --=20 2.7.0.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel