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ShellPkg: Use safe string functions to refine code.

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu Shumin <shumin.qiu@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17730 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Qiu Shumin
2015-06-30 03:18:31 +00:00
committed by shenshushi
parent cb9a7ebabc
commit e75390f029
18 changed files with 195 additions and 120 deletions
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28
ShellPkg/Application/Shell/ShellManParser.c
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@ -1,7 +1,7 @@
/** @file
Provides interface to shell MAN file parser.
Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2009 - 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
@ -43,8 +43,16 @@ GetManFileName(
} else {
Buffer = AllocateZeroPool(StrSize(ManFileName) + 4*sizeof(CHAR16));
if (Buffer != NULL) {
StrnCpy(Buffer, ManFileName, StrLen(ManFileName));
StrnCat(Buffer, L".man", 4);
StrnCpyS( Buffer,
(StrSize(ManFileName) + 4*sizeof(CHAR16))/sizeof(CHAR16),
ManFileName,
StrLen(ManFileName)
);
StrnCatS( Buffer,
(StrSize(ManFileName) + 4*sizeof(CHAR16))/sizeof(CHAR16),
L".man",
4
);
}
}
return (Buffer);
@ -392,9 +400,9 @@ ManBufferFindTitleSection(
if (TitleString == NULL) {
return (EFI_OUT_OF_RESOURCES);
}
StrnCpy(TitleString, StartString, TitleLength/sizeof(CHAR16) - 1);
StrnCat(TitleString, Command, TitleLength/sizeof(CHAR16) - 1 - StrLen(TitleString));
StrnCat(TitleString, EndString, TitleLength/sizeof(CHAR16) - 1 - StrLen(TitleString));
StrCpyS(TitleString, TitleLength/sizeof(CHAR16), StartString);
StrCatS(TitleString, TitleLength/sizeof(CHAR16), Command);
StrCatS(TitleString, TitleLength/sizeof(CHAR16), EndString);
CurrentLocation = StrStr(*Buffer, TitleString);
if (CurrentLocation == NULL){
@ -418,7 +426,7 @@ ManBufferFindTitleSection(
if (*BriefDesc == NULL) {
Status = EFI_OUT_OF_RESOURCES;
} else {
StrnCpy(*BriefDesc, CurrentLocation, TitleEnd-CurrentLocation);
StrnCpyS(*BriefDesc, (*BriefSize)/sizeof(CHAR16), CurrentLocation, TitleEnd-CurrentLocation);
}
}
@ -495,8 +503,8 @@ ManFileFindTitleSection(
FreePool(ReadLine);
return (EFI_OUT_OF_RESOURCES);
}
StrnCpy(TitleString, L".TH ", TitleSize/sizeof(CHAR16) - 1);
StrnCat(TitleString, Command, TitleSize/sizeof(CHAR16) - 1 - StrLen(TitleString));
StrCpyS(TitleString, TitleSize/sizeof(CHAR16), L".TH ");
StrCatS(TitleString, TitleSize/sizeof(CHAR16), Command);
TitleLen = StrLen(TitleString);
for (;!ShellFileHandleEof(Handle);Size = 1024) {
@ -532,7 +540,7 @@ ManFileFindTitleSection(
Status = EFI_OUT_OF_RESOURCES;
break;
}
StrnCpy(*BriefDesc, TitleEnd, (*BriefSize)/sizeof(CHAR16) - 1);
StrCpyS(*BriefDesc, (*BriefSize)/sizeof(CHAR16), TitleEnd);
}
break;
}