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Add bounds checking to sim. tool APIs (crash fix)

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jacob1 2021-06-27 21:43:08 -04:00
parent e97925f0fd
commit 6dd7d9bd46
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1 changed files with 23 additions and 1 deletions
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24
src/lua/LuaScriptInterface.cpp
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@ -1406,7 +1406,7 @@ int LuaScriptInterface::simulation_floodParts(lua_State * l)
int cm = luaL_optint(l,4,-1);
int flags = luaL_optint(l,5,luacon_sim->replaceModeFlags);
if (x < CELL || x >= XRES-CELL || y < CELL || y >= YRES-CELL)
if (x < 0 || x >= XRES || y < 0 || y >= YRES)
return luaL_error(l, "coordinates out of range (%d,%d)", x, y);
int ret = luacon_sim->FloodParts(x, y, c, cm, flags);
@ -1421,6 +1421,9 @@ int LuaScriptInterface::simulation_createWalls(lua_State * l)
int rx = luaL_optint(l,3,0);
int ry = luaL_optint(l,4,0);
int c = luaL_optint(l,5,8);
if (x < 0 || x >= XRES || y < 0 || y >= YRES)
return luaL_error(l, "coordinates out of range (%d,%d)", x, y);
if (c < 0 || c >= UI_WALLCOUNT)
return luaL_error(l, "Unrecognised wall id '%d'", c);
@ -1438,6 +1441,9 @@ int LuaScriptInterface::simulation_createWallLine(lua_State * l)
int rx = luaL_optint(l,5,0);
int ry = luaL_optint(l,6,0);
int c = luaL_optint(l,7,8);
if (x1 < 0 || x2 < 0 || x1 >= XRES || x2 >= XRES || y1 < 0 || y2 < 0 || y1 >= YRES || y2 >= YRES)
return luaL_error(l, "coordinates out of range (%d,%d),(%d,%d)", x1, y1, x2, y2);
if (c < 0 || c >= UI_WALLCOUNT)
return luaL_error(l, "Unrecognised wall id '%d'", c);
@ -1452,6 +1458,9 @@ int LuaScriptInterface::simulation_createWallBox(lua_State * l)
int x2 = luaL_optint(l,3,-1);
int y2 = luaL_optint(l,4,-1);
int c = luaL_optint(l,5,8);
if (x1 < 0 || x2 < 0 || x1 >= XRES || x2 >= XRES || y1 < 0 || y2 < 0 || y1 >= YRES || y2 >= YRES)
return luaL_error(l, "coordinates out of range (%d,%d),(%d,%d)", x1, y1, x2, y2);
if (c < 0 || c >= UI_WALLCOUNT)
return luaL_error(l, "Unrecognised wall id '%d'", c);
@ -1465,6 +1474,8 @@ int LuaScriptInterface::simulation_floodWalls(lua_State * l)
int y = luaL_optint(l,2,-1);
int c = luaL_optint(l,3,8);
int bm = luaL_optint(l,4,-1);
if (x < 0 || x >= XRES || y < 0 || y >= YRES)
return luaL_error(l, "coordinates out of range (%d,%d)", x, y);
if (c < 0 || c >= UI_WALLCOUNT)
return luaL_error(l, "Unrecognised wall id '%d'", c);
if (c == WL_STREAM)
@ -1517,6 +1528,9 @@ int LuaScriptInterface::simulation_toolLine(lua_State * l)
int tool = luaL_optint(l,7,0);
int brush = luaL_optint(l,8,CIRCLE_BRUSH);
float strength = luaL_optnumber(l,9,1.0f);
if (x1 < 0 || x2 < 0 || x1 >= XRES || x2 >= XRES || y1 < 0 || y2 < 0 || y1 >= YRES || y2 >= YRES)
return luaL_error(l, "coordinates out of range (%d,%d),(%d,%d)", x1, y1, x2, y2);
if (tool < 0 || tool >= (int)luacon_sim->tools.size()+1)
return luaL_error(l, "Invalid tool id '%d'", tool);
@ -1546,6 +1560,8 @@ int LuaScriptInterface::simulation_toolBox(lua_State * l)
int y1 = luaL_optint(l,2,-1);
int x2 = luaL_optint(l,3,-1);
int y2 = luaL_optint(l,4,-1);
if (x1 < 0 || x2 < 0 || x1 >= XRES || x2 >= XRES || y1 < 0 || y2 < 0 || y1 >= YRES || y2 >= YRES)
return luaL_error(l, "coordinates out of range (%d,%d),(%d,%d)", x1, y1, x2, y2);
int tool = luaL_optint(l,5,0);
float strength = luaL_optnumber(l,6,1.0f);
if (tool == (int)luacon_sim->tools.size())
@ -1599,6 +1615,9 @@ int LuaScriptInterface::simulation_decoLine(lua_State * l)
int tool = luaL_optint(l,11,DECO_DRAW);
int brush = luaL_optint(l,12,CIRCLE_BRUSH);
if (x1 < 0 || x2 < 0 || x1 >= XRES || x2 >= XRES || y1 < 0 || y2 < 0 || y1 >= YRES || y2 >= YRES)
return luaL_error(l, "coordinates out of range (%d,%d),(%d,%d)", x1, y1, x2, y2);
std::vector<Brush*> brushList = luacon_model->GetBrushList();
if (brush < 0 || brush >= (int)brushList.size())
return luaL_error(l, "Invalid brush id '%d'", brush);
@ -1622,6 +1641,9 @@ int LuaScriptInterface::simulation_decoBox(lua_State * l)
int a = luaL_optint(l,8,255);
int tool = luaL_optint(l,9,0);
if (x1 < 0 || x2 < 0 || x1 >= XRES || x2 >= XRES || y1 < 0 || y2 < 0 || y1 >= YRES || y2 >= YRES)
return luaL_error(l, "coordinates out of range (%d,%d),(%d,%d)", x1, y1, x2, y2);
luacon_sim->ApplyDecorationBox(x1, y1, x2, y2, r, g, b, a, tool);
return 0;
}