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authorZhang Lubo <lubo.zhang@intel.com>2015-07-08 06:35:37 +0000
committerluobozhang <luobozhang@Edk2>2015-07-08 06:35:37 +0000
commit206b5f51beb15a22417c42e846678425de60c556 (patch)
tree6e33cbdf89c90e6549b77c651b7e10b227357035 /MdeModulePkg/Universal/Network/Mtftp4Dxe
parent56b1927aa107e65070879a53562b7bcdc1e918d8 (diff)
downloadedk2-platforms-206b5f51beb15a22417c42e846678425de60c556.tar.xz
MdeModulePkg: Replace unsafe string functions.
Replace unsafe string functions with new added safe string functions. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Zhang Lubo <lubo.zhang@intel.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Qiu Shumin <shumin.qiu@intel.com> Reviewed-by: Jaben Carsey <jaben.carsey@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17881 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/Network/Mtftp4Dxe')
-rw-r--r--MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Support.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Support.c b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Support.c
index df79c85fa0..cfb4b26df2 100644
--- a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Support.c
+++ b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Support.c
@@ -1,7 +1,7 @@
/** @file
Support routines for Mtftp.
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2015, 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
@@ -319,17 +319,20 @@ Mtftp4SendRequest (
Packet->OpCode = HTONS (Instance->Operation);
Cur = Packet->Rrq.Filename;
- Cur = (UINT8 *) AsciiStrCpy ((CHAR8 *) Cur, (CHAR8 *) Token->Filename);
+ Cur = (UINT8 *) AsciiStrCpyS ((CHAR8 *) Cur, Len - 2, (CHAR8 *) Token->Filename);
Cur += AsciiStrLen ((CHAR8 *) Token->Filename) + 1;
- Cur = (UINT8 *) AsciiStrCpy ((CHAR8 *) Cur, (CHAR8 *) Mode);
+ Cur = (UINT8 *) AsciiStrCpyS ((CHAR8 *) Cur, Len - 2 - (AsciiStrLen ((CHAR8 *) Token->Filename) + 1), (CHAR8 *) Mode);
Cur += AsciiStrLen ((CHAR8 *) Mode) + 1;
+ Len -= ((UINT32) AsciiStrLen ((CHAR8 *) Token->Filename) + (UINT32) AsciiStrLen ((CHAR8 *) Mode) + 4);
for (Index = 0; Index < Token->OptionCount; ++Index) {
- Cur = (UINT8 *) AsciiStrCpy ((CHAR8 *) Cur, (CHAR8 *) Options[Index].OptionStr);
+ Cur = (UINT8 *) AsciiStrCpyS ((CHAR8 *) Cur, Len, (CHAR8 *) Options[Index].OptionStr);
Cur += AsciiStrLen ((CHAR8 *) Options[Index].OptionStr) + 1;
+ Len -= (AsciiStrLen ((CHAR8 *) Options[Index].OptionStr) + 1);
- Cur = (UINT8 *) AsciiStrCpy ((CHAR8 *) Cur, (CHAR8 *) Options[Index].ValueStr);
+ Cur = (UINT8 *) AsciiStrCpyS ((CHAR8 *) Cur, Len, (CHAR8 *) Options[Index].ValueStr);
Cur += AsciiStrLen ((CHAR8 *) (CHAR8 *) Options[Index].ValueStr) + 1;
+ Len -= (AsciiStrLen ((CHAR8 *) (CHAR8 *) Options[Index].ValueStr) + 1);
}
return Mtftp4SendPacket (Instance, Nbuf);
@@ -371,7 +374,7 @@ Mtftp4SendError (
TftpError->OpCode = HTONS (EFI_MTFTP4_OPCODE_ERROR);
TftpError->Error.ErrorCode = HTONS (ErrCode);
- AsciiStrCpy ((CHAR8 *) TftpError->Error.ErrorMessage, (CHAR8 *) ErrInfo);
+ AsciiStrCpyS ((CHAR8 *) TftpError->Error.ErrorMessage, Len, (CHAR8 *) ErrInfo);
return Mtftp4SendPacket (Instance, Packet);
}