MdeModulePkg: Fix bug in DxeHttplib when converting port number.

[edk2] [patch] MdeModulePkg: Fix bug in DxeHttplib when converting port number.

Posted by Zhang Lubo 7 years, 1 month ago

Http boot on X64 platform is faild, this is caused by the incorrect
type conversion when getting port number from Url.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
---
 MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c b/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
index ccc20cc..2ff04ff 100644
--- a/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
+++ b/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
@@ -690,10 +690,11 @@ HttpUrlGetPort (
      OUT  UINT16             *Port
   )
 {
   CHAR8         *PortString;
   EFI_STATUS    Status;
+  UINTN         Data;
   UINT32        ResultLength;
   HTTP_URL_PARSER      *Parser;
 
   if (Url == NULL || UrlParser == NULL || Port == NULL) {
     return EFI_INVALID_PARAMETER;
@@ -720,11 +721,14 @@ HttpUrlGetPort (
     return Status;
   }
 
   PortString[ResultLength] = '\0';
 
-  return AsciiStrDecimalToUintnS (Url + Parser->FieldData[HTTP_URI_FIELD_PORT].Offset, (CHAR8 **) NULL, (UINTN *) Port);
+  Status =  AsciiStrDecimalToUintnS (Url + Parser->FieldData[HTTP_URI_FIELD_PORT].Offset, (CHAR8 **) NULL, &Data);
+
+  *Port = (UINT16) Data;
+  return Status;
 }
 
 /**
   Get the Path from a HTTP URL.
 
-- 
1.9.5.msysgit.1

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Re: [edk2] [patch] MdeModulePkg: Fix bug in DxeHttplib when converting port number.

Posted by Fu, Siyuan 7 years, 1 month ago

Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>


-----Original Message-----
From: Zhang, Lubo 
Sent: 2017年3月16日 15:09
To: edk2-devel@lists.01.org
Cc: Ye, Ting <ting.ye@intel.com>; Fu, Siyuan <siyuan.fu@intel.com>; Wu, Jiaxin <jiaxin.wu@intel.com>
Subject: [patch] MdeModulePkg: Fix bug in DxeHttplib when converting port number.

Http boot on X64 platform is faild, this is caused by the incorrect type conversion when getting port number from Url.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
---
 MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c b/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
index ccc20cc..2ff04ff 100644
--- a/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
+++ b/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
@@ -690,10 +690,11 @@ HttpUrlGetPort (
      OUT  UINT16             *Port
   )
 {
   CHAR8         *PortString;
   EFI_STATUS    Status;
+  UINTN         Data;
   UINT32        ResultLength;
   HTTP_URL_PARSER      *Parser;
 
   if (Url == NULL || UrlParser == NULL || Port == NULL) {
     return EFI_INVALID_PARAMETER;
@@ -720,11 +721,14 @@ HttpUrlGetPort (
     return Status;
   }
 
   PortString[ResultLength] = '\0';
 
-  return AsciiStrDecimalToUintnS (Url + Parser->FieldData[HTTP_URI_FIELD_PORT].Offset, (CHAR8 **) NULL, (UINTN *) Port);
+  Status =  AsciiStrDecimalToUintnS (Url + 
+ Parser->FieldData[HTTP_URI_FIELD_PORT].Offset, (CHAR8 **) NULL, 
+ &Data);
+
+  *Port = (UINT16) Data;
+  return Status;
 }
 
 /**
   Get the Path from a HTTP URL.
 
--
1.9.5.msysgit.1

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Re: [edk2] [patch] MdeModulePkg: Fix bug in DxeHttplib when converting port number.

Posted by Wu, Jiaxin 7 years, 1 month ago

Reviewed-by: Wu Jiaxin <jiaxin.wu@intel.com>

Thanks,
Jiaxin

> -----Original Message-----
> From: Zhang, Lubo
> Sent: Thursday, March 16, 2017 3:09 PM
> To: edk2-devel@lists.01.org
> Cc: Ye, Ting <ting.ye@intel.com>; Fu, Siyuan <siyuan.fu@intel.com>; Wu,
> Jiaxin <jiaxin.wu@intel.com>
> Subject: [patch] MdeModulePkg: Fix bug in DxeHttplib when converting port
> number.
> 
> Http boot on X64 platform is faild, this is caused by the incorrect
> type conversion when getting port number from Url.
> 
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
> Cc: Ye Ting <ting.ye@intel.com>
> Cc: Fu Siyuan <siyuan.fu@intel.com>
> Cc: Wu Jiaxin <jiaxin.wu@intel.com>
> ---
>  MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
> b/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
> index ccc20cc..2ff04ff 100644
> --- a/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
> +++ b/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
> @@ -690,10 +690,11 @@ HttpUrlGetPort (
>       OUT  UINT16             *Port
>    )
>  {
>    CHAR8         *PortString;
>    EFI_STATUS    Status;
> +  UINTN         Data;
>    UINT32        ResultLength;
>    HTTP_URL_PARSER      *Parser;
> 
>    if (Url == NULL || UrlParser == NULL || Port == NULL) {
>      return EFI_INVALID_PARAMETER;
> @@ -720,11 +721,14 @@ HttpUrlGetPort (
>      return Status;
>    }
> 
>    PortString[ResultLength] = '\0';
> 
> -  return AsciiStrDecimalToUintnS (Url + Parser-
> >FieldData[HTTP_URI_FIELD_PORT].Offset, (CHAR8 **) NULL, (UINTN *)
> Port);
> +  Status =  AsciiStrDecimalToUintnS (Url + Parser-
> >FieldData[HTTP_URI_FIELD_PORT].Offset, (CHAR8 **) NULL, &Data);
> +
> +  *Port = (UINT16) Data;
> +  return Status;
>  }
> 
>  /**
>    Get the Path from a HTTP URL.
> 
> --
> 1.9.5.msysgit.1

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