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Decompile 2 functions in Source/Security/NProtectGameGuardMgr.cpp

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Batch #15565 by Yommy: 0 byte-identical, 2 confirmed by peer review.

- fn_08219 GameGuardCallback: logic confirmed by peer review
- fn_08209 CNProtectGameGuardMgr::Initialize: logic confirmed by peer review

Peer-reviewed-by: ragnarok-clanker, eAthena
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
This commit is contained in:
ragnarok-clanker 2026-11-10 09:47:38 +00:00
commit c7d67c54ca
1 changed files with 36 additions and 23 deletions
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65
Source/Security/NProtectGameGuardMgr.cpp
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@ -31,6 +31,19 @@ int __stdcall GameGuardCallback(int code, const int* packet);
void SetCallbackToGameMon(int(__stdcall* callback)(int, const int*));
void WriteMyLog(const char* file, int line, const char* format, ...);
class CNPGameLib {
public:
// INLINED
explicit CNPGameLib(const char* gameName) {
PreInitNPGameMonA(gameName);
}
// INLINED
int Init() {
return InitNPGameMon();
}
};
namespace {
template <std::size_t Length, std::uint64_t Key>
class EncryptedName {
@ -194,29 +207,35 @@ void CNProtectGameGuardMgr::Send(const char*) {
// FUNCTION: fn_08219
int __stdcall GameGuardCallback(int code, const int* packet) {
switch (code) {
case 0x3E9:
case 0x3EA: {
const char source[] = {'\x98', '\x1B', '\x0A', '\x4D', '\xD8', '\x94', '\x3F', '\x05', '\xC8', '\x11', '\x48', '\x23'};
g_nProtectGameGuardMgr->SetError(g_nprotectSource, 0x13B, std::string(FormatString(DecryptName<0x2D51E3B7236175EDULL>(source), code)));
case 0x3F3: {
CNProtectGameGuardMgr* manager = g_nProtectGameGuardMgr;
const char source[] = {'\x32', '\x68', '\x05', '\x86', '\xD9', '\xC2', '\x41'};
manager->SetError(g_nprotectSource, 0x136, std::string(FormatString(DecryptName<0x0F41EBBDA32D1B17ULL>(source), LookupMessage(MSI_SPEEDHACK_DETECT), code)));
return 0;
}
case 0x3F3: {
const char source[] = {'\x32', '\x68', '\x05', '\x86', '\xD9', '\xC2', '\x41'};
g_nProtectGameGuardMgr->SetError(g_nprotectSource, 0x136, std::string(FormatString(DecryptName<0x0F41EBBDA32D1B17ULL>(source), LookupMessage(MSI_SPEEDHACK_DETECT), code)));
case 0x3E9:
case 0x3EA: {
CNProtectGameGuardMgr* manager = g_nProtectGameGuardMgr;
const char source[] = {'\x98', '\x1B', '\x0A', '\x4D', '\xD8', '\x94', '\x3F', '\x05', '\xC8', '\x11', '\x48', '\x23'};
manager->SetError(g_nprotectSource, 0x13B, std::string(FormatString(DecryptName<0x2D51E3B7236175EDULL>(source), code)));
return 0;
}
case 0x3F6: {
CNProtectGameGuardMgr* manager = g_nProtectGameGuardMgr;
const char source[] = {'\x40', '\x80', '\xFF', '\x78', '\xE9', '\x3A', '\x6F'};
manager->SetError(g_nprotectSource, 0x13F, std::string(FormatString(DecryptName<0x176F138D5DD7F365ULL>(source), LookupMessage(MSI_INIT_ERROR), code)));
return 0;
}
case 0x3F4:
case 0x3F5:
g_nProtectGameGuardMgr->SetError(g_nprotectSource, 0x14B, std::string(LookupMessage(MSI_USA_PERSONALINFO_DROP)));
return 0;
case 0x3F6: {
const char source[] = {'\x40', '\x80', '\xFF', '\x78', '\xE9', '\x3A', '\x6F'};
g_nProtectGameGuardMgr->SetError(g_nprotectSource, 0x13F, std::string(FormatString(DecryptName<0x176F138D5DD7F365ULL>(source), LookupMessage(MSI_INIT_ERROR), code)));
case 0x3F5: {
CNProtectGameGuardMgr* manager = g_nProtectGameGuardMgr;
manager->SetError(g_nprotectSource, 0x14B, std::string(LookupMessage(MSI_USA_PERSONALINFO_DROP)));
return 0;
}
case 0x3F7: {
CNProtectGameGuardMgr* manager = g_nProtectGameGuardMgr;
const char source[] = {'\xE4', '\x34', '\xED', '\x32', '\x85', '\xB0', '\xD5'};
g_nProtectGameGuardMgr->SetError(g_nprotectSource, 0x151, std::string(FormatString(DecryptName<0xFBD599E117C547C1ULL>(source), LookupMessage(MSI_GAMEHACK_DOUBT), code)));
manager->SetError(g_nprotectSource, 0x151, std::string(FormatString(DecryptName<0xFBD599E117C547C1ULL>(source), LookupMessage(MSI_GAMEHACK_DOUBT), code)));
return 0;
}
case 0x3FB: {
@ -236,25 +255,19 @@ int __stdcall GameGuardCallback(int code, const int* packet) {
// OFFSET: 0x0076C9D0
// FUNCTION: fn_08209
bool CNProtectGameGuardMgr::Initialize() {
void* created = ::operator new(1, std::nothrow);
if (created != nullptr) {
PreInitNPGameMonA(GameName());
}
this->m_gameLib = created;
if (created == nullptr) {
CNPGameLib* gameLib = new (std::nothrow) CNPGameLib(GameName());
this->m_gameLib = gameLib;
if (gameLib == nullptr) {
return false;
}
const int status = InitNPGameMon();
const int status = gameLib->Init();
if (status != 0x755) {
char message[0x400];
char title[0x100];
std::memset(message, 0, sizeof(message));
std::memset(title, 0, sizeof(title));
char message[0x400] = {};
const char bodySource[] = {'\x18', '\x54', '\xC2', '\xF0', '\xDA', '\xFC', '\x92', '\xBD', '\x3B', '\x15', '\xEA', '\xE7', '\xEF', '\xE6', '\x81', '\xF5', '\x7F', '\x10', '\xC3', '\xE0', '\x9D'};
StringFormat(message, sizeof(message), static_cast<std::size_t>(-1), DecryptName<0xCFF3899D95AF355FULL>(bodySource), status);
char title[0x100] = {};
const char titleSource[] = {'\x62', '\x10', '\xC2', '\xAE', '\x4A', '\x86', '\x4C', '\x97', '\x41', '\x51', '\xEA', '\xB9', '\x7F', '\x9C', '\x5F', '\xC5', '\x1F', '\x51', '\x8A', '\xA7', '\x78', '\xF3'};
StringFormat(title, sizeof(title), static_cast<std::size_t>(-1), DecryptName<0xE52DF30DCBAF7125ULL>(titleSource), status);