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Code Issues Releases Wiki Activity

Check input strings in config for overflow

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fgenesis 2017-02-27 02:03:08 +01:00
parent fc17c6edaf
commit f75f81854a
1 changed files with 46 additions and 19 deletions
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65
BBGE/ActionInput.cpp
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@ -148,36 +148,63 @@ std::string getInputCodeToUserString(unsigned int k, size_t joystickID)
// I'll leave this as it is, because those boxes are kinda cool. -- fg
}
static int checkInp(const char *s, int category, int limit, const char *err)
{
const int k = atoi(s);
if(!k)
return 0;
if(k < limit)
return k + category;
std::ostringstream os;
os << err << k;
errorLog(os.str());
return 0;
}
int getStringToInputCode(const std::string& s)
{
int k = 0;
if(s == "LMB")
return MOUSE_BUTTON_LEFT;
if(s == "RMB")
return MOUSE_BUTTON_RIGHT;
if(s == "MMB")
return MOUSE_BUTTON_MIDDLE;
if(!strncmp(s.c_str(), "K:", 2))
return atoi(s.c_str() + 2);
if(!strncmp(s.c_str(), "JB:", 3))
return JOY_BUTTON_0 + atoi(s.c_str() + 3);
if(!strncmp(s.c_str(), "MB:", 3))
return MOUSE_BUTTON_LEFT + atoi(s.c_str() + 3);
if(s.length() > 4 && !strncmp(s.c_str(), "AX:", 3))
k = MOUSE_BUTTON_LEFT;
else if(s == "RMB")
k = MOUSE_BUTTON_RIGHT;
else if(s == "MMB")
k = MOUSE_BUTTON_MIDDLE;
else if(!strncmp(s.c_str(), "K:", 2))
k = checkInp(s.c_str() + 2, 0, KEY_MAXARRAY, "Invalid key id: ");
else if(!strncmp(s.c_str(), "JB:", 3))
k = checkInp(s.c_str() + 3, JOY_BUTTON_0, JOY_BUTTON_END, "Invalid joy button value: ");
else if(!strncmp(s.c_str(), "MB:", 3))
k = checkInp(s.c_str() + 3, MOUSE_BUTTON_LEFT, MOUSE_BUTTON_EXTRA_END, "Invalid mouse button id: ");
else if(s.length() > 4 && !strncmp(s.c_str(), "AX:", 3))
{
int n = atoi(s.c_str() + 4);
switch(s[3])
{
case '+': return JOY_AXIS_0_POS + n;
case '-': return JOY_AXIS_0_NEG + n;
default: return 0;
case '+':
k = checkInp(s.c_str() + 4, JOY_AXIS_0_POS, JOY_AXIS_END_POS, "Invalid joy axis(+): ");
break;
case '-':
k = checkInp(s.c_str() + 4, JOY_AXIS_0_NEG, JOY_AXIS_END_NEG, "Invalid joy axis(-): ");
break;
default:
return 0;
}
}
else
{
// Maybe we're upgrading from an old config?
// This handles KEY_* and some old mouse/joystick names.
k = getInputCodeFromKeyName(s.c_str());
}
// Maybe we're upgrading from an old config?
// This handles KEY_* and some old mouse/joystick names.
if(int k = getInputCodeFromKeyName(s.c_str()))
if(k < ACTION_BUTTON_ENUM_SIZE)
return k;
std::ostringstream os;
os << "ActionButton out of range: [" << s << "] = " << k;
errorLog(os.str());
return 0;
}