From: "Ni, Ray" <ray.ni@intel.com>
To: "jwatt@jwatt.org" <jwatt@jwatt.org>,
"devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: "Carsey, Jaben" <jaben.carsey@intel.com>,
"Bi, Dandan" <dandan.bi@intel.com>
Subject: Re: [PATCH v1 1/1] ShellPkg/UefiShellBcfgCommandLib: Fix '-opt' option
Date: Mon, 6 May 2019 14:02:20 +0000 [thread overview]
Message-ID: <734D49CCEBEEF84792F5B80ED585239D5C12C3EF@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <20190506130257.80722-2-jwatt@jwatt.org>
Dandan,
Can you please help to review?
Thanks,
Ray
> -----Original Message-----
> From: jwatt@jwatt.org [mailto:jwatt@jwatt.org]
> Sent: Monday, May 6, 2019 9:03 PM
> To: devel@edk2.groups.io
> Cc: Carsey, Jaben <jaben.carsey@intel.com>; Ni, Ray <ray.ni@intel.com>
> Subject: [PATCH v1 1/1] ShellPkg/UefiShellBcfgCommandLib: Fix '-opt' option
>
> From: Jonathan Watt <jwatt@jwatt.org>
>
> For all other bcfg commands the "#" (option number) argument(s) are
> treated as hexedecimal values regardless of whether or not they are prefixed
> by "0x". This change fixes '-opt' to handle its "#"
> (option number) argument consistently with the other commands.
>
> Making this change removes a potential footgun whereby a user that has
> been using a number without a "0x" prefix with other bcfg commands finds
> that, on using that exact same number with '-opt', it has this time
> unexpectedly been interpreted as a decimal number and they have modified
> (corrupted) an unrelated load option. For example, a user may have been
> specifying "10" to other commands to have them act on the 16th option
> (because simply "10", without any prefix, is how 'bcfg boot dump' displayed
> the option number for the 16th option). Unfortunately for them, if they also
> use '-opt' with "10" it would unexpectedly and inconsistently act on the 10th
> option.
>
> CC: Jaben Carsey <jaben.carsey@intel.com>
> CC: Ray Ni <ray.ni@intel.com>
> Signed-off-by: Jonathan Watt <jwatt@jwatt.org>
> ---
> ShellPkg/Library/UefiShellBcfgCommandLib/UefiShellBcfgCommandLib.c | 2
> +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git
> a/ShellPkg/Library/UefiShellBcfgCommandLib/UefiShellBcfgCommandLib.c
> b/ShellPkg/Library/UefiShellBcfgCommandLib/UefiShellBcfgCommandLib.c
> index d033c7c1dc59..e8b48b4990dd 100644
> --- a/ShellPkg/Library/UefiShellBcfgCommandLib/UefiShellBcfgCommandLib.c
> +++
> b/ShellPkg/Library/UefiShellBcfgCommandLib/UefiShellBcfgCommandLib.c
> @@ -1019,7 +1019,7 @@ BcfgAddOpt(
> //
> // Get the index of the variable we are changing.
> //
> - Status = ShellConvertStringToUint64(Walker, &Intermediate, FALSE, TRUE);
> + Status = ShellConvertStringToUint64(Walker, &Intermediate, TRUE,
> + TRUE);
> if (EFI_ERROR(Status) || (((UINT16)Intermediate) != Intermediate) ||
> StrStr(Walker, L" ") == NULL || ((UINT16)Intermediate) >
> ((UINT16)OrderCount)) {
> ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV),
> gShellBcfgHiiHandle, L"bcfg", L"Option Index");
> ShellStatus = SHELL_INVALID_PARAMETER;
> --
> 2.21.0
next prev parent reply other threads:[~2019-05-06 14:02 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-06 13:02 [PATCH v1 0/1] ShellPkg/UefiShellBcfgCommandLib: Fix '-opt' option number handling Jonathan Watt
2019-05-06 13:02 ` [PATCH v1 1/1] ShellPkg/UefiShellBcfgCommandLib: Fix '-opt' option Jonathan Watt
2019-05-06 14:02 ` Ni, Ray [this message]
2019-05-07 9:51 ` [edk2-devel] " Gao, Zhichao
2019-05-07 14:35 ` Carsey, Jaben
2019-05-07 15:05 ` Dandan Bi
2019-05-07 16:20 ` Tim Lewis
2019-05-07 17:40 ` Carsey, Jaben
2019-05-07 17:43 ` Tim Lewis
2019-05-07 19:00 ` Jonathan Watt
2019-05-07 19:06 ` Jonathan Watt
2019-05-07 20:04 ` Tim Lewis
2019-05-07 20:30 ` Jim.Dailey
2019-05-07 20:48 ` Tim Lewis
2019-05-07 20:52 ` Jim.Dailey
2019-05-07 21:04 ` Jonathan Watt
2019-05-07 20:51 ` Jonathan Watt
2019-05-07 21:02 ` Tim Lewis
2019-05-07 21:07 ` Jonathan Watt
2019-05-07 23:59 ` Carsey, Jaben
2019-05-08 0:08 ` Tim Lewis
2019-06-11 21:53 ` Jonathan Watt
[not found] ` <15A74385D3E8CBEB.24554@groups.io>
2019-08-02 20:28 ` Jonathan Watt
2019-08-02 21:23 ` Carsey, Jaben
2019-08-05 0:51 ` Gao, Zhichao
2019-08-12 16:31 ` Jonathan Watt
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