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authorHao Wu <hao.a.wu@intel.com>2017-11-30 14:29:25 +0800
committerHao Wu <hao.a.wu@intel.com>2017-12-25 09:53:29 +0800
commit58356e9478d62811746db283bce3e751c6206006 (patch)
tree116aa7c7455e656763fadc70d4bb045fbb7e0b4f /BaseTools
parent5e125e7752404968ab22e6039ff2d71cea4b01a8 (diff)
downloadedk2-58356e9478d62811746db283bce3e751c6206006.zip
edk2-58356e9478d62811746db283bce3e751c6206006.tar.gz
edk2-58356e9478d62811746db283bce3e751c6206006.tar.bz2
BaseTools/C/Common: Add checks for array access
Cc: Yonghong Zhu <yonghong.zhu@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
Diffstat (limited to 'BaseTools')
-rw-r--r--BaseTools/Source/C/Common/Decompress.c8
-rw-r--r--BaseTools/Source/C/Common/SimpleFileParsing.c12
2 files changed, 9 insertions, 11 deletions
diff --git a/BaseTools/Source/C/Common/Decompress.c b/BaseTools/Source/C/Common/Decompress.c
index b2049bd..8f1afb4 100644
--- a/BaseTools/Source/C/Common/Decompress.c
+++ b/BaseTools/Source/C/Common/Decompress.c
@@ -2,7 +2,7 @@
Decompressor. Algorithm Ported from OPSD code (Decomp.asm) for Efi and Tiano
compress algorithm.
-Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 2017, Intel Corporation. All rights reserved.<BR>
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
@@ -394,7 +394,7 @@ Returns:
Index = 0;
- while (Index < Number) {
+ while (Index < Number && Index < NPT) {
CharC = (UINT16) (Sd->mBitBuf >> (BITBUFSIZ - 3));
@@ -413,14 +413,14 @@ Returns:
if (Index == Special) {
CharC = (UINT16) GetBits (Sd, 2);
CharC--;
- while ((INT16) (CharC) >= 0) {
+ while ((INT16) (CharC) >= 0 && Index < NPT) {
Sd->mPTLen[Index++] = 0;
CharC--;
}
}
}
- while (Index < nn) {
+ while (Index < nn && Index < NPT) {
Sd->mPTLen[Index++] = 0;
}
diff --git a/BaseTools/Source/C/Common/SimpleFileParsing.c b/BaseTools/Source/C/Common/SimpleFileParsing.c
index 868c6b7..209a095 100644
--- a/BaseTools/Source/C/Common/SimpleFileParsing.c
+++ b/BaseTools/Source/C/Common/SimpleFileParsing.c
@@ -1,7 +1,7 @@
/** @file
Generic but simple file parsing routines.
-Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 2017, Intel Corporation. All rights reserved.<BR>
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
@@ -1232,12 +1232,10 @@ GetHexChars (
{
UINT32 Len;
Len = 0;
- while (!EndOfFile (&mGlobals.SourceFile) && (BufferLen > 0)) {
+ while (!EndOfFile (&mGlobals.SourceFile) && (Len < BufferLen)) {
if (isxdigit ((int)mGlobals.SourceFile.FileBufferPtr[0])) {
- *Buffer = mGlobals.SourceFile.FileBufferPtr[0];
- Buffer++;
+ Buffer[Len] = mGlobals.SourceFile.FileBufferPtr[0];
Len++;
- BufferLen--;
mGlobals.SourceFile.FileBufferPtr++;
} else {
break;
@@ -1246,8 +1244,8 @@ GetHexChars (
//
// Null terminate if we can
//
- if ((Len > 0) && (BufferLen > 0)) {
- *Buffer = 0;
+ if ((Len > 0) && (Len < BufferLen)) {
+ Buffer[Len] = 0;
}
return Len;