Reviewed-by: Zhang Lubo
-Original Message-
From: Wu, Jiaxin
Sent: Monday, March 27, 2017 2:48 PM
To: edk2-devel@lists.01.org
Cc: Zhang, Lubo ; Ye, Ting ; Fu,
Siyuan ; Wu, Jiaxin
Subject: [Patch] MdeModulePkg/DxeHttpLib: Fix the incorrect return status if
URI port is invalid
Cc: Zhang Lubo
Cc: Ye Ting
Cc: Fu Siyuan
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wu Jiaxin
---
MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c | 15 +++
MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.h | 5 -
2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
b/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
index 2ff04ff..8e29213 100644
--- a/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
+++ b/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.c
@@ -690,18 +690,22 @@ HttpUrlGetPort (
OUT UINT16 *Port
)
{
CHAR8 *PortString;
EFI_STATUSStatus;
+ UINTN Index;
UINTN Data;
UINT32ResultLength;
HTTP_URL_PARSER *Parser;
if (Url == NULL || UrlParser == NULL || Port == NULL) {
return EFI_INVALID_PARAMETER;
}
+ *Port = 0;
+ Index = 0;
+
Parser = (HTTP_URL_PARSER*) UrlParser;
if ((Parser->FieldBitMap & BIT (HTTP_URI_FIELD_PORT)) == 0) {
return EFI_INVALID_PARAMETER;
}
@@ -721,12 +725,23 @@ HttpUrlGetPort (
return Status;
}
PortString[ResultLength] = '\0';
+ while (Index < ResultLength) {
+if (!NET_IS_DIGIT (PortString[Index])) {
+ return EFI_INVALID_PARAMETER;
+}
+Index ++;
+ }
+
Status = AsciiStrDecimalToUintnS (Url +
Parser->FieldData[HTTP_URI_FIELD_PORT].Offset, (CHAR8 **) NULL, );
+ if (Data > HTTP_URI_PORT_MAX_NUM || Data < HTTP_URI_PORT_MIN_NUM) {
+return EFI_INVALID_PARAMETER;
+ }
+
*Port = (UINT16) Data;
return Status;
}
/**
diff --git a/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.h
b/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.h
index 0d0ad3d..5ee0fdc 100644
--- a/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.h
+++ b/MdeModulePkg/Library/DxeHttpLib/DxeHttpLib.h
@@ -1,9 +1,9 @@
/** @file
Header file for HttpLib.
- Copyright (c) 2016, Intel Corporation. All rights reserved.
+ Copyright (c) 2016 - 2017, Intel Corporation. All rights
+ reserved.
(C) Copyright 2016 Hewlett Packard Enterprise Development LP
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 @@ -48,10 +48,13 @@ Header file for HttpLib.
#define HTTP_URI_FIELD_USERINFO 5
#define HTTP_URI_FIELD_HOST 6
#define HTTP_URI_FIELD_PORT 7
#define HTTP_URI_FIELD_MAX 8
+#define HTTP_URI_PORT_MIN_NUM 0
+#define HTTP_URI_PORT_MAX_NUM 65535
+
//
// Structure to store the parse result of a HTTP URL.
//
typedef struct {
UINT32 Offset;
--
1.9.5.msysgit.1
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