YumeMichi/cgss-http-hook
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Handle warm restart URL override hooks

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Signed-off-by: Sean Du <do4suki@gmail.com>
This commit is contained in:
YumeMichi
2026-06-23 20:51:38 +08:00
parent efca0a2ac8
commit 6091deec73
1 changed files with 338 additions and 31 deletions
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src/hook.cpp
+338 -31
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@@ -5,6 +5,7 @@
namespace {
using GetSchemeTypeFn = int (*)(const MethodInfo*);
using GetStringFn = void* (*)(const MethodInfo*);
using SetStringFn = void (*)(void*, const MethodInfo*);
using SetSchemeModeFn = void (*)(int, const MethodInfo*);
constexpr int kHttpSchemeType = 0;
@@ -14,32 +15,51 @@ namespace {
volatile LONG g_hook_installed = 0;
GetSchemeTypeFn g_orig_get_scheme_type = nullptr;
GetStringFn g_orig_get_application_server_url = nullptr;
GetStringFn g_orig_get_tele_scope_server_url = nullptr;
GetStringFn g_orig_get_concert_server_url = nullptr;
GetStringFn g_orig_get_resource_server_url = nullptr;
GetStringFn g_orig_custom_preference_get_application_server_url = nullptr;
GetStringFn g_orig_custom_preference_get_tele_scope_server_url = nullptr;
GetStringFn g_orig_custom_preference_get_concert_server_url = nullptr;
GetStringFn g_orig_custom_preference_get_resource_server_url = nullptr;
SetSchemeModeFn g_orig_custom_preference_set_scheme_mode = nullptr;
SetStringFn g_orig_custom_preference_set_application_server_url = nullptr;
SetStringFn g_orig_custom_preference_set_tele_scope_server_url = nullptr;
SetStringFn g_orig_custom_preference_set_concert_server_url = nullptr;
SetStringFn g_orig_custom_preference_set_resource_server_url = nullptr;
volatile LONG g_logged_gameassembly = 0;
volatile LONG g_exports_state = 0;
ULONGLONG g_gameassembly_seen_tick = 0;
volatile LONG g_scheme_hook_called = 0;
volatile LONG g_cp_set_scheme_hook_called = 0;
void* g_cached_api_url_string = nullptr;
void* g_cached_asset_url_string = nullptr;
volatile LONG g_application_hook_called = 0;
volatile LONG g_tele_scope_hook_called = 0;
volatile LONG g_concert_hook_called = 0;
volatile LONG g_resource_hook_called = 0;
volatile LONG g_cp_application_hook_called = 0;
volatile LONG g_cp_tele_scope_hook_called = 0;
volatile LONG g_cp_concert_hook_called = 0;
volatile LONG g_cp_resource_hook_called = 0;
volatile LONG g_cp_set_application_hook_called = 0;
volatile LONG g_cp_set_tele_scope_hook_called = 0;
volatile LONG g_cp_set_concert_hook_called = 0;
volatile LONG g_cp_set_resource_hook_called = 0;
void prepare_cached_override_strings() {
void* make_api_url_string() {
const auto& urls = config::get();
if (urls.api_url.empty() && urls.asset_url.empty()) {
return;
if (urls.api_url.empty()) {
return nullptr;
}
if (!urls.api_url.empty() && !g_cached_api_url_string) {
g_cached_api_url_string = il2cpp_symbols::new_string(urls.api_url.c_str());
if (!g_cached_api_url_string) {
hook_log("[cgss-dmm-hook] failed to cache api_url string");
}
}
if (!urls.asset_url.empty() && !g_cached_asset_url_string) {
g_cached_asset_url_string = il2cpp_symbols::new_string(urls.asset_url.c_str());
if (!g_cached_asset_url_string) {
hook_log("[cgss-dmm-hook] failed to cache asset_url string");
}
return il2cpp_symbols::new_string(urls.api_url.c_str());
}
void* make_asset_url_string() {
const auto& urls = config::get();
if (urls.asset_url.empty()) {
return nullptr;
}
return il2cpp_symbols::new_string(urls.asset_url.c_str());
}
int get_scheme_type_hook(const MethodInfo*) {
@@ -49,6 +69,94 @@ namespace {
return kHttpSchemeType;
}
void* get_application_server_url_hook(const MethodInfo* method) {
if (InterlockedCompareExchange(&g_application_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Stage.NetworkUtil.GetApplicationServerUrl hook invoked");
}
if (auto override_value = make_api_url_string()) {
return override_value;
}
return g_orig_get_application_server_url ? g_orig_get_application_server_url(method) : nullptr;
}
void* get_tele_scope_server_url_hook(const MethodInfo* method) {
if (InterlockedCompareExchange(&g_tele_scope_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Stage.NetworkUtil.GetTeleScopeServerUrl hook invoked");
}
if (auto override_value = make_api_url_string()) {
return override_value;
}
return g_orig_get_tele_scope_server_url ? g_orig_get_tele_scope_server_url(method) : nullptr;
}
void* get_concert_server_url_hook(const MethodInfo* method) {
if (InterlockedCompareExchange(&g_concert_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Stage.NetworkUtil.GetConcertServerUrl hook invoked");
}
if (auto override_value = make_api_url_string()) {
return override_value;
}
return g_orig_get_concert_server_url ? g_orig_get_concert_server_url(method) : nullptr;
}
void* get_resource_server_url_hook(const MethodInfo* method) {
if (InterlockedCompareExchange(&g_resource_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Stage.NetworkUtil.GetResourceServerUrl hook invoked");
}
if (auto override_value = make_asset_url_string()) {
return override_value;
}
return g_orig_get_resource_server_url ? g_orig_get_resource_server_url(method) : nullptr;
}
void* custom_preference_get_application_server_url_hook(const MethodInfo* method) {
if (InterlockedCompareExchange(&g_cp_application_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Cute.CustomPreference.GetApplicationServerURL hook invoked");
}
if (auto override_value = make_api_url_string()) {
return override_value;
}
return g_orig_custom_preference_get_application_server_url
? g_orig_custom_preference_get_application_server_url(method)
: nullptr;
}
void* custom_preference_get_tele_scope_server_url_hook(const MethodInfo* method) {
if (InterlockedCompareExchange(&g_cp_tele_scope_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Cute.CustomPreference.GetTeleScopeServerURL hook invoked");
}
if (auto override_value = make_api_url_string()) {
return override_value;
}
return g_orig_custom_preference_get_tele_scope_server_url
? g_orig_custom_preference_get_tele_scope_server_url(method)
: nullptr;
}
void* custom_preference_get_concert_server_url_hook(const MethodInfo* method) {
if (InterlockedCompareExchange(&g_cp_concert_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Cute.CustomPreference.GetConcertServerURL hook invoked");
}
if (auto override_value = make_api_url_string()) {
return override_value;
}
return g_orig_custom_preference_get_concert_server_url
? g_orig_custom_preference_get_concert_server_url(method)
: nullptr;
}
void* custom_preference_get_resource_server_url_hook(const MethodInfo* method) {
if (InterlockedCompareExchange(&g_cp_resource_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Cute.CustomPreference.GetResourceServerURL hook invoked");
}
if (auto override_value = make_asset_url_string()) {
return override_value;
}
return g_orig_custom_preference_get_resource_server_url
? g_orig_custom_preference_get_resource_server_url(method)
: nullptr;
}
void custom_preference_set_scheme_mode_hook(int scheme_type, const MethodInfo* method) {
if (InterlockedCompareExchange(&g_cp_set_scheme_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Cute.CustomPreference.SetScemeMode hook invoked");
@@ -60,9 +168,56 @@ namespace {
}
}
void patch_custom_preference_scheme() {
void custom_preference_set_application_server_url_hook(void* value, const MethodInfo* method) {
if (InterlockedCompareExchange(&g_cp_set_application_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Cute.CustomPreference.SetApplicationServerURL hook invoked");
}
if (g_orig_custom_preference_set_application_server_url) {
if (auto override_value = make_api_url_string()) {
value = override_value;
}
g_orig_custom_preference_set_application_server_url(value, method);
}
}
void custom_preference_set_tele_scope_server_url_hook(void* value, const MethodInfo* method) {
if (InterlockedCompareExchange(&g_cp_set_tele_scope_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Cute.CustomPreference.SetTeleScopeServerURL hook invoked");
}
if (g_orig_custom_preference_set_tele_scope_server_url) {
if (auto override_value = make_api_url_string()) {
value = override_value;
}
g_orig_custom_preference_set_tele_scope_server_url(value, method);
}
}
void custom_preference_set_concert_server_url_hook(void* value, const MethodInfo* method) {
if (InterlockedCompareExchange(&g_cp_set_concert_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Cute.CustomPreference.SetConcertServerURL hook invoked");
}
if (g_orig_custom_preference_set_concert_server_url) {
if (auto override_value = make_api_url_string()) {
value = override_value;
}
g_orig_custom_preference_set_concert_server_url(value, method);
}
}
void custom_preference_set_resource_server_url_hook(void* value, const MethodInfo* method) {
if (InterlockedCompareExchange(&g_cp_set_resource_hook_called, 1, 0) == 0) {
hook_log("[cgss-dmm-hook] Cute.CustomPreference.SetResourceServerURL hook invoked");
}
if (g_orig_custom_preference_set_resource_server_url) {
if (auto override_value = make_asset_url_string()) {
value = override_value;
}
g_orig_custom_preference_set_resource_server_url(value, method);
}
}
void patch_custom_preference_scheme(bool log_success = true) {
if (!config::get().force_http) {
hook_log("[cgss-dmm-hook] force_http disabled, skipping CustomPreference scheme patch");
return;
}
@@ -75,13 +230,15 @@ namespace {
}
if (il2cpp_symbols::set_static_int_field(custom_preference, "_schemeType", kHttpSchemeType)) {
hook_log("[cgss-dmm-hook] patched Cute.CustomPreference._schemeType=0");
if (log_success) {
hook_log("[cgss-dmm-hook] patched Cute.CustomPreference._schemeType=0");
}
} else {
hook_log("[cgss-dmm-hook] failed to patch Cute.CustomPreference._schemeType");
}
}
void apply_custom_preference_url_overrides() {
void apply_custom_preference_url_overrides(bool log_success = true) {
const auto& urls = config::get();
if (urls.api_url.empty() && urls.asset_url.empty()) {
return;
@@ -96,7 +253,6 @@ namespace {
}
il2cpp_symbols::il2cpp_runtime_class_init(custom_preference);
prepare_cached_override_strings();
if (config::get().force_http) {
auto set_scheme_mode_addr = il2cpp_symbols::get_method_pointer(
@@ -105,7 +261,9 @@ namespace {
if (set_scheme_mode_addr) {
auto set_scheme_mode = reinterpret_cast<SetSchemeModeFn>(set_scheme_mode_addr);
set_scheme_mode(kHttpSchemeType, nullptr);
hook_log("[cgss-dmm-hook] applied Cute.CustomPreference.SetScemeMode(0)");
if (log_success) {
hook_log("[cgss-dmm-hook] applied Cute.CustomPreference.SetScemeMode(0)");
}
}
}
@@ -119,18 +277,24 @@ namespace {
auto set_concert_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Cute", "CustomPreference", "SetConcertServerURL", 1
);
auto api_value = g_cached_api_url_string;
auto api_value = make_api_url_string();
if (set_application_addr && api_value) {
reinterpret_cast<SetStringFn>(set_application_addr)(api_value, nullptr);
hook_log("[cgss-dmm-hook] applied Cute.CustomPreference.SetApplicationServerURL");
if (log_success) {
hook_log("[cgss-dmm-hook] applied Cute.CustomPreference.SetApplicationServerURL");
}
}
if (set_tele_scope_addr && api_value) {
reinterpret_cast<SetStringFn>(set_tele_scope_addr)(api_value, nullptr);
hook_log("[cgss-dmm-hook] applied Cute.CustomPreference.SetTeleScopeServerURL");
if (log_success) {
hook_log("[cgss-dmm-hook] applied Cute.CustomPreference.SetTeleScopeServerURL");
}
}
if (set_concert_addr && api_value) {
reinterpret_cast<SetStringFn>(set_concert_addr)(api_value, nullptr);
hook_log("[cgss-dmm-hook] applied Cute.CustomPreference.SetConcertServerURL");
if (log_success) {
hook_log("[cgss-dmm-hook] applied Cute.CustomPreference.SetConcertServerURL");
}
}
}
@@ -138,10 +302,12 @@ namespace {
auto set_resource_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Cute", "CustomPreference", "SetResourceServerURL", 1
);
auto asset_value = g_cached_asset_url_string;
auto asset_value = make_asset_url_string();
if (set_resource_addr && asset_value) {
reinterpret_cast<SetStringFn>(set_resource_addr)(asset_value, nullptr);
hook_log("[cgss-dmm-hook] applied Cute.CustomPreference.SetResourceServerURL");
if (log_success) {
hook_log("[cgss-dmm-hook] applied Cute.CustomPreference.SetResourceServerURL");
}
}
}
}
@@ -177,12 +343,11 @@ namespace {
}
if (config::get().force_http) {
patch_custom_preference_scheme();
patch_custom_preference_scheme(true);
}
const auto& urls = config::get();
if (!urls.api_url.empty() || !urls.asset_url.empty()) {
prepare_cached_override_strings();
apply_custom_preference_url_overrides();
apply_custom_preference_url_overrides(true);
}
if (!urls.force_http) {
@@ -198,6 +363,45 @@ namespace {
hook_log("[cgss-dmm-hook] failed to resolve Stage.NetworkUtil.GetSchemeType");
return;
}
auto cp_set_scheme_mode_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Cute", "CustomPreference", "SetScemeMode", 1
);
auto get_application_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Stage", "NetworkUtil", "GetApplicationServerUrl", 0
);
auto get_tele_scope_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Stage", "NetworkUtil", "GetTeleScopeServerUrl", 0
);
auto get_concert_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Stage", "NetworkUtil", "GetConcertServerUrl", 0
);
auto get_resource_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Stage", "NetworkUtil", "GetResourceServerUrl", 0
);
auto cp_get_application_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Cute", "CustomPreference", "GetApplicationServerURL", 0
);
auto cp_get_tele_scope_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Cute", "CustomPreference", "GetTeleScopeServerURL", 0
);
auto cp_get_concert_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Cute", "CustomPreference", "GetConcertServerURL", 0
);
auto cp_get_resource_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Cute", "CustomPreference", "GetResourceServerURL", 0
);
auto cp_set_application_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Cute", "CustomPreference", "SetApplicationServerURL", 1
);
auto cp_set_tele_scope_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Cute", "CustomPreference", "SetTeleScopeServerURL", 1
);
auto cp_set_concert_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Cute", "CustomPreference", "SetConcertServerURL", 1
);
auto cp_set_resource_server_url_addr = il2cpp_symbols::get_method_pointer(
"Assembly-CSharp.dll", "Cute", "CustomPreference", "SetResourceServerURL", 1
);
auto mh_status = MH_Initialize();
if (mh_status != MH_OK && mh_status != MH_ERROR_ALREADY_INITIALIZED) {
@@ -221,6 +425,109 @@ namespace {
return;
}
auto hook_method = [](uintptr_t address, void* detour, void** original, const char* name) {
if (!address) {
hook_logf("[cgss-dmm-hook] failed to resolve %s", name);
return;
}
auto create_status = MH_CreateHook(reinterpret_cast<void*>(address), detour, original);
if (create_status != MH_OK && create_status != MH_ERROR_ALREADY_CREATED) {
hook_logf("[cgss-dmm-hook] MH_CreateHook failed for %s", name);
return;
}
auto enable_status = MH_EnableHook(reinterpret_cast<void*>(address));
if (enable_status == MH_OK || enable_status == MH_ERROR_ENABLED) {
hook_logf("[cgss-dmm-hook] hooked %s", name);
} else {
hook_logf("[cgss-dmm-hook] MH_EnableHook failed for %s", name);
}
};
if (urls.force_http) {
hook_method(
cp_set_scheme_mode_addr,
reinterpret_cast<void*>(&custom_preference_set_scheme_mode_hook),
reinterpret_cast<void**>(&g_orig_custom_preference_set_scheme_mode),
"Cute.CustomPreference.SetScemeMode"
);
}
if (!urls.api_url.empty()) {
hook_method(
get_application_server_url_addr,
reinterpret_cast<void*>(&get_application_server_url_hook),
reinterpret_cast<void**>(&g_orig_get_application_server_url),
"Stage.NetworkUtil.GetApplicationServerUrl"
);
hook_method(
get_tele_scope_server_url_addr,
reinterpret_cast<void*>(&get_tele_scope_server_url_hook),
reinterpret_cast<void**>(&g_orig_get_tele_scope_server_url),
"Stage.NetworkUtil.GetTeleScopeServerUrl"
);
hook_method(
get_concert_server_url_addr,
reinterpret_cast<void*>(&get_concert_server_url_hook),
reinterpret_cast<void**>(&g_orig_get_concert_server_url),
"Stage.NetworkUtil.GetConcertServerUrl"
);
hook_method(
cp_get_application_server_url_addr,
reinterpret_cast<void*>(&custom_preference_get_application_server_url_hook),
reinterpret_cast<void**>(&g_orig_custom_preference_get_application_server_url),
"Cute.CustomPreference.GetApplicationServerURL"
);
hook_method(
cp_get_tele_scope_server_url_addr,
reinterpret_cast<void*>(&custom_preference_get_tele_scope_server_url_hook),
reinterpret_cast<void**>(&g_orig_custom_preference_get_tele_scope_server_url),
"Cute.CustomPreference.GetTeleScopeServerURL"
);
hook_method(
cp_get_concert_server_url_addr,
reinterpret_cast<void*>(&custom_preference_get_concert_server_url_hook),
reinterpret_cast<void**>(&g_orig_custom_preference_get_concert_server_url),
"Cute.CustomPreference.GetConcertServerURL"
);
hook_method(
cp_set_application_server_url_addr,
reinterpret_cast<void*>(&custom_preference_set_application_server_url_hook),
reinterpret_cast<void**>(&g_orig_custom_preference_set_application_server_url),
"Cute.CustomPreference.SetApplicationServerURL"
);
hook_method(
cp_set_tele_scope_server_url_addr,
reinterpret_cast<void*>(&custom_preference_set_tele_scope_server_url_hook),
reinterpret_cast<void**>(&g_orig_custom_preference_set_tele_scope_server_url),
"Cute.CustomPreference.SetTeleScopeServerURL"
);
hook_method(
cp_set_concert_server_url_addr,
reinterpret_cast<void*>(&custom_preference_set_concert_server_url_hook),
reinterpret_cast<void**>(&g_orig_custom_preference_set_concert_server_url),
"Cute.CustomPreference.SetConcertServerURL"
);
}
if (!urls.asset_url.empty()) {
hook_method(
get_resource_server_url_addr,
reinterpret_cast<void*>(&get_resource_server_url_hook),
reinterpret_cast<void**>(&g_orig_get_resource_server_url),
"Stage.NetworkUtil.GetResourceServerUrl"
);
hook_method(
cp_get_resource_server_url_addr,
reinterpret_cast<void*>(&custom_preference_get_resource_server_url_hook),
reinterpret_cast<void**>(&g_orig_custom_preference_get_resource_server_url),
"Cute.CustomPreference.GetResourceServerURL"
);
hook_method(
cp_set_resource_server_url_addr,
reinterpret_cast<void*>(&custom_preference_set_resource_server_url_hook),
reinterpret_cast<void**>(&g_orig_custom_preference_set_resource_server_url),
"Cute.CustomPreference.SetResourceServerURL"
);
}
InterlockedExchange(&g_hook_installed, 1);
hook_log("[cgss-dmm-hook] hooked Stage.NetworkUtil.GetSchemeType");
}