Use strncpy instead of strcpy because again, buffer overflows

This commit is contained in:
Glenn Smith 2018-03-06 01:59:05 -05:00
parent 7769da9434
commit 79c34c68db
92 changed files with 298 additions and 279 deletions

View file

@ -218,7 +218,7 @@ bool GuiFormCtrl::resize(const Point2I &newPosition, const Point2I &newExtent)
S32 strlen = dStrlen((const char*)mCaption);
for(S32 i=strlen; i>=0; --i)
{
dStrcpy(buf, "");
dStrcpy(buf, "", i);
dStrcat(buf, (const char*)mCaption, i);
dStrcat(buf, "...", i);

View file

@ -168,7 +168,7 @@ bool guiAnimBitmapCtrl::ptSetFrameRanges(void *object, const char *index, const
return true;
}
char* tokCopy = new char[dStrlen(data) + 1];
dStrcpy(tokCopy, data);
dStrcpy(tokCopy, data, dStrlen(data) + 1);
char* currTok = dStrtok(tokCopy, " \t");
while (currTok != NULL)
@ -291,4 +291,4 @@ void guiAnimBitmapCtrl::onRender(Point2I offset, const RectI &updateRect)
}
renderChildControls(offset, updateRect);
}
}

View file

@ -276,7 +276,7 @@ void GuiFileTreeCtrl::recurseInsert( Item* parent, StringTableEntry path )
char szPathCopy [ 1024 ];
dMemset( szPathCopy, 0, 1024 );
dStrcpy( szPathCopy, path );
dStrcpy( szPathCopy, path, 1024 );
// Jump over the first character if it's a root /
char *curPos = szPathCopy;

View file

@ -566,13 +566,14 @@ void GuiPopUpMenuCtrl::setBitmap( const char *name )
{
char buffer[1024];
char *p;
dStrcpy(buffer, name);
dStrcpy(buffer, name, 1024);
p = buffer + dStrlen(buffer);
S32 pLen = 1024 - dStrlen(buffer);
dStrcpy(p, "_n");
dStrcpy(p, "_n", pLen);
mTextureNormal = GFXTexHandle( (StringTableEntry)buffer, &GFXDefaultGUIProfile, avar("%s() - mTextureNormal (line %d)", __FUNCTION__, __LINE__) );
dStrcpy(p, "_d");
dStrcpy(p, "_d", pLen);
mTextureDepressed = GFXTexHandle( (StringTableEntry)buffer, &GFXDefaultGUIProfile, avar("%s() - mTextureDepressed (line %d)", __FUNCTION__, __LINE__) );
if ( !mTextureDepressed )
mTextureDepressed = mTextureNormal;
@ -637,7 +638,7 @@ void GuiPopUpMenuCtrl::addEntry( const char *buf, S32 id, U32 scheme )
mIdMax = id;
Entry e;
dStrcpy( e.buf, buf );
dStrcpy( e.buf, buf, 256 );
e.id = id;
e.scheme = scheme;

View file

@ -771,13 +771,14 @@ void GuiPopUpMenuCtrlEx::setBitmap(const char *name)
{
char buffer[1024];
char *p;
dStrcpy(buffer, name);
dStrcpy(buffer, name, 1024);
p = buffer + dStrlen(buffer);
S32 pLen = 1024 - dStrlen(buffer);
dStrcpy(p, "_n");
dStrcpy(p, "_n", pLen);
mTextureNormal = GFXTexHandle( (StringTableEntry)buffer, &GFXDefaultGUIProfile, avar("%s() - mTextureNormal (line %d)", __FUNCTION__, __LINE__) );
dStrcpy(p, "_d");
dStrcpy(p, "_d", pLen);
mTextureDepressed = GFXTexHandle( (StringTableEntry)buffer, &GFXDefaultGUIProfile, avar("%s() - mTextureDepressed (line %d)", __FUNCTION__, __LINE__) );
if ( !mTextureDepressed )
mTextureDepressed = mTextureNormal;
@ -840,7 +841,7 @@ void GuiPopUpMenuCtrlEx::addEntry(const char *buf, S32 id, U32 scheme)
mIdMax = id;
Entry e;
dStrcpy( e.buf, buf );
dStrcpy( e.buf, buf, 256 );
e.id = id;
e.scheme = scheme;

View file

@ -50,7 +50,7 @@ GuiTabPageCtrl::GuiTabPageCtrl(void)
{
setExtent(Point2I(100, 200));
mFitBook = false;
dStrcpy(mText,(UTF8*)"TabPage");
dStrcpy(mText,(UTF8*)"TabPage", MAX_STRING_LENGTH);
mActive = true;
mIsContainer = true;
}

View file

@ -4754,15 +4754,15 @@ StringTableEntry GuiTreeViewCtrl::getTextToRoot( S32 itemId, const char * delimi
dMemset( bufferOne, 0, sizeof(bufferOne) );
dMemset( bufferTwo, 0, sizeof(bufferTwo) );
dStrcpy( bufferOne, item->getText() );
dStrcpy( bufferOne, item->getText(), 1024 );
Item *prevNode = item->mParent;
while ( prevNode )
{
dMemset( bufferNodeText, 0, sizeof(bufferNodeText) );
dStrcpy( bufferNodeText, prevNode->getText() );
dStrcpy( bufferNodeText, prevNode->getText(), 128 );
dSprintf( bufferTwo, 1024, "%s%s%s",bufferNodeText, delimiter, bufferOne );
dStrcpy( bufferOne, bufferTwo );
dStrcpy( bufferOne, bufferTwo, 1024 );
dMemset( bufferTwo, 0, sizeof(bufferTwo) );
prevNode = prevNode->mParent;
}
@ -5570,4 +5570,4 @@ DefineEngineMethod(GuiTreeViewCtrl, getItemAtPosition, S32, (Point2I position),
"@return The id of the item under the position.")
{
return object->getItemAtPosition(position);
}
}

View file

@ -2570,7 +2570,7 @@ DefineEngineMethod( GuiControl, findHitControls, const char*, ( S32 x, S32 y, S3
return "";
char* buffer = Con::getReturnBuffer( s.size() );
dStrcpy( buffer, s.c_str() );
dStrcpy( buffer, s.c_str(), s.size() );
return buffer;
}

View file

@ -431,7 +431,7 @@ bool DbgFileView::findMouseOverVariable()
{
S32 stringPosition = pt.x - gFileXOffset;
char tempBuf[256], *varNamePtr = &tempBuf[1];
dStrcpy(tempBuf, mFileView[cell.y].text);
dStrcpy(tempBuf, mFileView[cell.y].text, 256);
//find the current mouse over char
S32 charNum = findMouseOverChar(mFileView[cell.y].text, stringPosition);
@ -526,7 +526,7 @@ void DbgFileView::onPreRender()
{
setUpdate();
char oldVar[256];
dStrcpy(oldVar, mMouseOverVariable);
dStrcpy(oldVar, mMouseOverVariable, 256);
bool found = findMouseOverVariable();
if (found && mPCCurrentLine >= 0)
{
@ -685,7 +685,7 @@ void DbgFileView::onRenderCell(Point2I offset, Point2I cell, bool selected, bool
{
S32 startPos, endPos;
char tempBuf[256];
dStrcpy(tempBuf, mFileView[cell.y].text);
dStrcpy(tempBuf, mFileView[cell.y].text, 256);
//get the end coord
tempBuf[mBlockEnd] = '\0';

View file

@ -2626,7 +2626,7 @@ DefineConsoleMethod( GuiEditCtrl, getSelectionGlobalBounds, const char*, (), , "
String str = String::ToString( "%i %i %i %i", bounds.point.x, bounds.point.y, bounds.extent.x, bounds.extent.y );
char* buffer = Con::getReturnBuffer( str.length() );
dStrcpy( buffer, str.c_str() );
dStrcpy( buffer, str.c_str(), str.length() );
return buffer;
}

View file

@ -239,7 +239,7 @@ void Filter::set(S32 argc, const char *argv[])
if (argc == 1)
{ // in the form of one string "1.0 1.0 1.0"
char list[1024];
dStrcpy(list, *argv); // strtok modifies the string so we need to copy it
dStrcpy(list, *argv, 1024); // strtok modifies the string so we need to copy it
char *value = dStrtok(list, " ");
while (value)
{

View file

@ -500,7 +500,7 @@ void MessageVector::insertLine(const U32 position,
U32 len = dStrlen(newMessage) + 1;
char* copy = new char[len];
dStrcpy(copy, newMessage);
dStrcpy(copy, newMessage, len);
mMessageLines.insert(position);
mMessageLines[position].message = copy;