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Image fix for OP_CastSpell exploit.

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This commit is contained in:
KimLS 2013-06-15 13:08:32 -07:00
parent 28eb80e27f
commit 91b01c2fcc
2 changed files with 10 additions and 30 deletions
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3
changelog.txt
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@ -1,5 +1,8 @@
EQEMu Changelog (Started on Sept 24, 2003 15:50)
-------------------------------------------------------
== 06/15/2013 ==
KLS: (image) Potentially could bypass some spell checks by passing a specially crafted spell slot. This has been addressed.
== 06/12/2013 ==
KLS: Merge Hateborne's hp cap stuff
KLS: We haven't updated changelog in a while but there's been:

35
zone/client_packet.cpp
View File

@ -4690,47 +4690,24 @@ LogFile->write(EQEMuLog::Debug, "OP CastSpell: slot=%d, spell=%d, target=%d, inv
else
spell_to_cast = SPELL_HARM_TOUCH2;
p_timers.Start(pTimerHarmTouch, HarmTouchReuseTime);
}
//handle disciplines, OLD, they keep changing this
if(castspell->slot == DISCIPLINE_SPELL_SLOT) {
} else if(castspell->slot == DISCIPLINE_SPELL_SLOT) {
if(!UseDiscipline(castspell->spell_id, castspell->target_id)) {
printf("Unknown ability being used by %s, spell being cast is: %i\n",GetName(),castspell->spell_id);
InterruptSpell(castspell->spell_id);
}
return;
}
if(castspell->slot < MAX_PP_MEMSPELL)
{
} else if(castspell->slot < MAX_PP_MEMSPELL) {
spell_to_cast = m_pp.mem_spells[castspell->slot];
if(spell_to_cast != castspell->spell_id)
{
InterruptSpell(castspell->spell_id); //CHEATER!!!
return;
}
} else {
//If we get to here this slot should be invalid invalid
InterruptSpell(castspell->spell_id);
return;
}
/*
these are coming through with slot 8 now...
else if(castspell->slot == 9) //discipline, LoH, HT, etc
{
if(GetClass() == PALADIN && castspell->spell_id == SPELL_LAY_ON_HANDS)
{
spell_to_cast = SPELL_LAY_ON_HANDS;
p_timers.Start(pTimerLayHands, LayOnHandsReuseTime);
CastSpell(spell_to_cast, castspell->target_id, castspell->slot);
}
else if(GetClass() == SHADOWKNIGHT
&& (castspell->spell_id == SPELL_HARM_TOUCH || castspell->spell_id == SPELL_HARM_TOUCH2))
{
if(GetLevel() < 40)
spell_to_cast = SPELL_HARM_TOUCH;
else
spell_to_cast = SPELL_HARM_TOUCH2;
p_timers.Start(pTimerHarmTouch, HarmTouchReuseTime);
}
else*/
//try disciplines
CastSpell(spell_to_cast, castspell->target_id, castspell->slot);
}