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- added a check to the MENUDEF parser to prevent special menus from being replaced by something non-functional to counter attempts to cripple the engine's functionality.
SVN r3682 (trunk)
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parent
086d0a797e
commit
18839acddb
2 changed files with 36 additions and 11 deletions
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@ -86,6 +86,7 @@ struct FMenuDescriptor
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FName mMenuName;
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FName mMenuName;
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FString mNetgameMessage;
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FString mNetgameMessage;
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int mType;
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int mType;
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const PClass *mClass;
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virtual ~FMenuDescriptor() {}
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virtual ~FMenuDescriptor() {}
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};
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};
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@ -108,7 +109,6 @@ struct FListMenuDescriptor : public FMenuDescriptor
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FFont *mFont;
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FFont *mFont;
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EColorRange mFontColor;
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EColorRange mFontColor;
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EColorRange mFontColor2;
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EColorRange mFontColor2;
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const PClass *mClass;
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FMenuDescriptor *mRedirect; // used to redirect overlong skill and episode menus to option menu based alternatives
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FMenuDescriptor *mRedirect; // used to redirect overlong skill and episode menus to option menu based alternatives
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bool mCenter;
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bool mCenter;
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@ -153,7 +153,6 @@ struct FOptionMenuDescriptor : public FMenuDescriptor
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int mIndent;
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int mIndent;
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int mPosition;
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int mPosition;
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bool mDontDim;
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bool mDontDim;
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const PClass *mClass;
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void CalcIndent();
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void CalcIndent();
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FOptionMenuItem *GetItem(FName name);
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FOptionMenuItem *GetItem(FName name);
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@ -450,6 +450,37 @@ static void ParseListMenuBody(FScanner &sc, FListMenuDescriptor *desc)
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//
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//
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//=============================================================================
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//=============================================================================
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static bool CheckCompatible(FMenuDescriptor *newd, FMenuDescriptor *oldd)
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{
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if (oldd->mClass == NULL) return true;
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return oldd->mClass == newd->mClass;
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}
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static bool ReplaceMenu(FScanner &sc, FMenuDescriptor *desc)
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{
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FMenuDescriptor **pOld = MenuDescriptors.CheckKey(desc->mMenuName);
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if (pOld != NULL && *pOld != NULL)
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{
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if (CheckCompatible(desc, *pOld))
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{
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delete *pOld;
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}
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else
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{
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sc.ScriptMessage("Tried to replace menu '%s' with a menu of different type", desc->mMenuName.GetChars());
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return true;
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}
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}
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MenuDescriptors[desc->mMenuName] = desc;
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return false;
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}
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//=============================================================================
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//
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//
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//
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//=============================================================================
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static void ParseListMenu(FScanner &sc)
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static void ParseListMenu(FScanner &sc)
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{
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{
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sc.MustGetString();
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sc.MustGetString();
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@ -476,11 +507,9 @@ static void ParseListMenu(FScanner &sc)
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desc->mWRight = 0;
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desc->mWRight = 0;
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desc->mCenter = false;
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desc->mCenter = false;
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FMenuDescriptor **pOld = MenuDescriptors.CheckKey(desc->mMenuName);
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if (pOld != NULL && *pOld != NULL) delete *pOld;
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MenuDescriptors[desc->mMenuName] = desc;
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ParseListMenuBody(sc, desc);
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ParseListMenuBody(sc, desc);
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bool scratch = ReplaceMenu(sc, desc);
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if (scratch) delete desc;
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}
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}
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//=============================================================================
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//=============================================================================
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@ -810,13 +839,10 @@ static void ParseOptionMenu(FScanner &sc)
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desc->mIndent = DefaultOptionMenuSettings.mIndent;
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desc->mIndent = DefaultOptionMenuSettings.mIndent;
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desc->mDontDim = DefaultOptionMenuSettings.mDontDim;
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desc->mDontDim = DefaultOptionMenuSettings.mDontDim;
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FMenuDescriptor **pOld = MenuDescriptors.CheckKey(desc->mMenuName);
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if (pOld != NULL && *pOld != NULL) delete *pOld;
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MenuDescriptors[desc->mMenuName] = desc;
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ParseOptionMenuBody(sc, desc);
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ParseOptionMenuBody(sc, desc);
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bool scratch = ReplaceMenu(sc, desc);
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if (desc->mIndent == 0) desc->CalcIndent();
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if (desc->mIndent == 0) desc->CalcIndent();
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if (scratch) delete desc;
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}
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}
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