Rim/iw4x-client
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[QuickPatch] Fix party-join vulnerability

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This commit is contained in:
momo5502 2018-10-13 22:59:32 +02:00
parent 7c768b941f
commit 86819658f7
2 changed files with 9 additions and 0 deletions
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7
src/Components/Modules/QuickPatch.cpp
View File

@ -79,6 +79,11 @@ namespace Components
return -1; return -1;
} }
long QuickPatch::AtolAdjustPlayerLimit(const char* string)
{
return std::min(atol(string), 18l);
}
void QuickPatch::SelectStringTableEntryInDvarStub() void QuickPatch::SelectStringTableEntryInDvarStub()
{ {
Command::ClientParams args; Command::ClientParams args;
@ -432,6 +437,8 @@ namespace Components
Utils::Hook(0x414D92, QuickPatch::MsgReadBitsCompressCheckSV, HOOK_CALL).install()->quick(); // SV_ExecuteClientCommands Utils::Hook(0x414D92, QuickPatch::MsgReadBitsCompressCheckSV, HOOK_CALL).install()->quick(); // SV_ExecuteClientCommands
Utils::Hook(0x4A9F56, QuickPatch::MsgReadBitsCompressCheckCL, HOOK_CALL).install()->quick(); // CL_ParseServerMessage Utils::Hook(0x4A9F56, QuickPatch::MsgReadBitsCompressCheckCL, HOOK_CALL).install()->quick(); // CL_ParseServerMessage
Utils::Hook(0x407376, QuickPatch::SVCanReplaceServerCommand , HOOK_CALL).install()->quick(); // SV_CanReplaceServerCommand Utils::Hook(0x407376, QuickPatch::SVCanReplaceServerCommand , HOOK_CALL).install()->quick(); // SV_CanReplaceServerCommand
Utils::Hook(0x5B67ED, QuickPatch::AtolAdjustPlayerLimit , HOOK_CALL).install()->quick(); // PartyHost_HandleJoinPartyRequest
// Patch selectStringTableEntryInDvar // Patch selectStringTableEntryInDvar
Utils::Hook::Set(0x405959, QuickPatch::SelectStringTableEntryInDvarStub); Utils::Hook::Set(0x405959, QuickPatch::SelectStringTableEntryInDvarStub);

2
src/Components/Modules/QuickPatch.hpp
View File

@ -23,6 +23,8 @@ namespace Components
static int MsgReadBitsCompressCheckSV(const char *from, char *to, int size); static int MsgReadBitsCompressCheckSV(const char *from, char *to, int size);
static int MsgReadBitsCompressCheckCL(const char *from, char *to, int size); static int MsgReadBitsCompressCheckCL(const char *from, char *to, int size);
static long AtolAdjustPlayerLimit(const char* string);
static void JavelinResetHookStub(); static void JavelinResetHookStub();
static int QuickPatch::InvalidNameCheck(char *dest, char *source, int size); static int QuickPatch::InvalidNameCheck(char *dest, char *source, int size);